diff --git a/build/three.cjs b/build/three.cjs
index 44fe39d3b07043..1c52b8d7a2bd87 100644
--- a/build/three.cjs
+++ b/build/three.cjs
@@ -1766,14 +1766,6 @@ const Compatibility = {
  * @property {string} EITHER - Flat interpolation using either vertex.
  */
 
-/**
- * Finds the minimum value in an array.
- *
- * @private
- * @param {Array<number>} array - The array to search for the minimum value.
- * @return {number} The minimum value in the array, or Infinity if the array is empty.
- */
-
 /**
  * Checks if an array contains values that require Uint32 representation.
  *
@@ -2118,6 +2110,25 @@ function probeAsync( gl, sync, interval ) {
 
 }
 
+/**
+ * Used to select the correct depth functions
+ * when reversed depth buffer is used.
+ *
+ * @private
+ * @type {Object}
+ */
+const ReversedDepthFuncs = {
+	[ NeverDepth ]: AlwaysDepth,
+	[ LessDepth ]: GreaterDepth,
+	[ EqualDepth ]: NotEqualDepth,
+	[ LessEqualDepth ]: GreaterEqualDepth,
+
+	[ AlwaysDepth ]: NeverDepth,
+	[ GreaterDepth ]: LessDepth,
+	[ NotEqualDepth ]: EqualDepth,
+	[ GreaterEqualDepth ]: LessEqualDepth,
+};
+
 /**
  * This modules allows to dispatch event objects on custom JavaScript objects.
  *
@@ -9144,10 +9155,6 @@ class RenderTarget extends EventDispatcher {
 		 */
 		this.viewport = new Vector4( 0, 0, width, height );
 
-		const image = { width: width, height: height, depth: options.depth };
-
-		const texture = new Texture( image );
-
 		/**
 		 * An array of textures. Each color attachment is represented as a separate texture.
 		 * Has at least a single entry for the default color attachment.
@@ -9156,6 +9163,9 @@ class RenderTarget extends EventDispatcher {
 		 */
 		this.textures = [];
 
+		const image = { width: width, height: height, depth: options.depth };
+		const texture = new Texture( image );
+
 		const count = options.count;
 		for ( let i = 0; i < count; i ++ ) {
 
@@ -45201,12 +45211,12 @@ class LightShadow {
 		_projScreenMatrix$1.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse );
 		this._frustum.setFromProjectionMatrix( _projScreenMatrix$1, shadowCamera.coordinateSystem, shadowCamera.reversedDepth );
 
-		if ( shadowCamera.reversedDepth ) {
+		if ( shadowCamera.coordinateSystem === WebGPUCoordinateSystem || shadowCamera.reversedDepth ) {
 
 			shadowMatrix.set(
 				0.5, 0.0, 0.0, 0.5,
 				0.0, 0.5, 0.0, 0.5,
-				0.0, 0.0, 1.0, 0.0,
+				0.0, 0.0, 1.0, 0.0, // Identity Z (preserving the correct [0, 1] range from the projection matrix)
 				0.0, 0.0, 0.0, 1.0
 			);
 
@@ -69061,18 +69071,6 @@ function WebGLShadowMap( renderer, objects, capabilities ) {
 
 }
 
-const reversedFuncs = {
-	[ NeverDepth ]: AlwaysDepth,
-	[ LessDepth ]: GreaterDepth,
-	[ EqualDepth ]: NotEqualDepth,
-	[ LessEqualDepth ]: GreaterEqualDepth,
-
-	[ AlwaysDepth ]: NeverDepth,
-	[ GreaterDepth ]: LessDepth,
-	[ NotEqualDepth ]: EqualDepth,
-	[ GreaterEqualDepth ]: LessEqualDepth,
-};
-
 function WebGLState( gl, extensions ) {
 
 	function ColorBuffer() {
@@ -69204,7 +69202,7 @@ function WebGLState( gl, extensions ) {
 
 			setFunc: function ( depthFunc ) {
 
-				if ( currentReversed ) depthFunc = reversedFuncs[ depthFunc ];
+				if ( currentReversed ) depthFunc = ReversedDepthFuncs[ depthFunc ];
 
 				if ( currentDepthFunc !== depthFunc ) {
 
diff --git a/build/three.core.js b/build/three.core.js
index 2ac6edb8bfd035..8df21911284225 100644
--- a/build/three.core.js
+++ b/build/three.core.js
@@ -1764,14 +1764,6 @@ const Compatibility = {
  * @property {string} EITHER - Flat interpolation using either vertex.
  */
 
-/**
- * Finds the minimum value in an array.
- *
- * @private
- * @param {Array<number>} array - The array to search for the minimum value.
- * @return {number} The minimum value in the array, or Infinity if the array is empty.
- */
-
 /**
  * Checks if an array contains values that require Uint32 representation.
  *
@@ -2116,6 +2108,25 @@ function probeAsync( gl, sync, interval ) {
 
 }
 
+/**
+ * Used to select the correct depth functions
+ * when reversed depth buffer is used.
+ *
+ * @private
+ * @type {Object}
+ */
+const ReversedDepthFuncs = {
+	[ NeverDepth ]: AlwaysDepth,
+	[ LessDepth ]: GreaterDepth,
+	[ EqualDepth ]: NotEqualDepth,
+	[ LessEqualDepth ]: GreaterEqualDepth,
+
+	[ AlwaysDepth ]: NeverDepth,
+	[ GreaterDepth ]: LessDepth,
+	[ NotEqualDepth ]: EqualDepth,
+	[ GreaterEqualDepth ]: LessEqualDepth,
+};
+
 /**
  * This modules allows to dispatch event objects on custom JavaScript objects.
  *
@@ -9142,10 +9153,6 @@ class RenderTarget extends EventDispatcher {
 		 */
 		this.viewport = new Vector4( 0, 0, width, height );
 
-		const image = { width: width, height: height, depth: options.depth };
-
-		const texture = new Texture( image );
-
 		/**
 		 * An array of textures. Each color attachment is represented as a separate texture.
 		 * Has at least a single entry for the default color attachment.
@@ -9154,6 +9161,9 @@ class RenderTarget extends EventDispatcher {
 		 */
 		this.textures = [];
 
+		const image = { width: width, height: height, depth: options.depth };
+		const texture = new Texture( image );
+
 		const count = options.count;
 		for ( let i = 0; i < count; i ++ ) {
 
@@ -45199,12 +45209,12 @@ class LightShadow {
 		_projScreenMatrix.multiplyMatrices( shadowCamera.projectionMatrix, shadowCamera.matrixWorldInverse );
 		this._frustum.setFromProjectionMatrix( _projScreenMatrix, shadowCamera.coordinateSystem, shadowCamera.reversedDepth );
 
-		if ( shadowCamera.reversedDepth ) {
+		if ( shadowCamera.coordinateSystem === WebGPUCoordinateSystem || shadowCamera.reversedDepth ) {
 
 			shadowMatrix.set(
 				0.5, 0.0, 0.0, 0.5,
 				0.0, 0.5, 0.0, 0.5,
-				0.0, 0.0, 1.0, 0.0,
+				0.0, 0.0, 1.0, 0.0, // Identity Z (preserving the correct [0, 1] range from the projection matrix)
 				0.0, 0.0, 0.0, 1.0
 			);
 
@@ -59415,4 +59425,4 @@ if ( typeof window !== 'undefined' ) {
 
 }
 
-export { ACESFilmicToneMapping, AddEquation, AddOperation, AdditiveAnimationBlendMode, AdditiveBlending, AgXToneMapping, AlphaFormat, AlwaysCompare, AlwaysDepth, AlwaysStencilFunc, AmbientLight, AnimationAction, AnimationClip, AnimationLoader, AnimationMixer, AnimationObjectGroup, AnimationUtils, ArcCurve, ArrayCamera, ArrowHelper, AttachedBindMode, Audio, AudioAnalyser, AudioContext, AudioListener, AudioLoader, AxesHelper, BackSide, BasicDepthPacking, BasicShadowMap, BatchedMesh, BezierInterpolant, Bone, BooleanKeyframeTrack, Box2, Box3, Box3Helper, BoxGeometry, BoxHelper, BufferAttribute, BufferGeometry, BufferGeometryLoader, ByteType, Cache, Camera, CameraHelper, CanvasTexture, CapsuleGeometry, CatmullRomCurve3, CineonToneMapping, CircleGeometry, ClampToEdgeWrapping, Clock, Color, ColorKeyframeTrack, ColorManagement, Compatibility, CompressedArrayTexture, CompressedCubeTexture, CompressedTexture, CompressedTextureLoader, ConeGeometry, ConstantAlphaFactor, ConstantColorFactor, Controls, CubeCamera, CubeDepthTexture, CubeReflectionMapping, CubeRefractionMapping, CubeTexture, CubeTextureLoader, CubeUVReflectionMapping, CubicBezierCurve, CubicBezierCurve3, CubicInterpolant, CullFaceBack, CullFaceFront, CullFaceFrontBack, CullFaceNone, Curve, CurvePath, CustomBlending, CustomToneMapping, CylinderGeometry, Cylindrical, Data3DTexture, DataArrayTexture, DataTexture, DataTextureLoader, DataUtils, DecrementStencilOp, DecrementWrapStencilOp, DefaultLoadingManager, DepthFormat, DepthStencilFormat, DepthTexture, DetachedBindMode, DirectionalLight, DirectionalLightHelper, DiscreteInterpolant, DodecahedronGeometry, DoubleSide, DstAlphaFactor, DstColorFactor, DynamicCopyUsage, DynamicDrawUsage, DynamicReadUsage, EdgesGeometry, EllipseCurve, EqualCompare, EqualDepth, EqualStencilFunc, EquirectangularReflectionMapping, EquirectangularRefractionMapping, Euler, EventDispatcher, ExternalTexture, ExtrudeGeometry, FileLoader, Float16BufferAttribute, Float32BufferAttribute, FloatType, Fog, FogExp2, FramebufferTexture, FrontSide, Frustum, FrustumArray, GLBufferAttribute, GLSL1, GLSL3, GreaterCompare, GreaterDepth, GreaterEqualCompare, GreaterEqualDepth, GreaterEqualStencilFunc, GreaterStencilFunc, GridHelper, Group, HalfFloatType, HemisphereLight, HemisphereLightHelper, IcosahedronGeometry, ImageBitmapLoader, ImageLoader, ImageUtils, IncrementStencilOp, IncrementWrapStencilOp, InstancedBufferAttribute, InstancedBufferGeometry, InstancedInterleavedBuffer, InstancedMesh, Int16BufferAttribute, Int32BufferAttribute, Int8BufferAttribute, IntType, InterleavedBuffer, InterleavedBufferAttribute, Interpolant, InterpolateBezier, InterpolateDiscrete, InterpolateLinear, InterpolateSmooth, InterpolationSamplingMode, InterpolationSamplingType, InvertStencilOp, KeepStencilOp, KeyframeTrack, LOD, LatheGeometry, Layers, LessCompare, LessDepth, LessEqualCompare, LessEqualDepth, LessEqualStencilFunc, LessStencilFunc, Light, LightProbe, Line, Line3, LineBasicMaterial, LineCurve, LineCurve3, LineDashedMaterial, LineLoop, LineSegments, LinearFilter, LinearInterpolant, LinearMipMapLinearFilter, LinearMipMapNearestFilter, LinearMipmapLinearFilter, LinearMipmapNearestFilter, LinearSRGBColorSpace, LinearToneMapping, LinearTransfer, Loader, LoaderUtils, LoadingManager, LoopOnce, LoopPingPong, LoopRepeat, MOUSE, Material, MaterialBlending, MaterialLoader, MathUtils, Matrix2, Matrix3, Matrix4, MaxEquation, Mesh, MeshBasicMaterial, MeshDepthMaterial, MeshDistanceMaterial, MeshLambertMaterial, MeshMatcapMaterial, MeshNormalMaterial, MeshPhongMaterial, MeshPhysicalMaterial, MeshStandardMaterial, MeshToonMaterial, MinEquation, MirroredRepeatWrapping, MixOperation, MultiplyBlending, MultiplyOperation, NearestFilter, NearestMipMapLinearFilter, NearestMipMapNearestFilter, NearestMipmapLinearFilter, NearestMipmapNearestFilter, NeutralToneMapping, NeverCompare, NeverDepth, NeverStencilFunc, NoBlending, NoColorSpace, NoNormalPacking, NoToneMapping, NormalAnimationBlendMode, NormalBlending, NormalGAPacking, NormalRGPacking, NotEqualCompare, NotEqualDepth, NotEqualStencilFunc, NumberKeyframeTrack, Object3D, ObjectLoader, ObjectSpaceNormalMap, OctahedronGeometry, OneFactor, OneMinusConstantAlphaFactor, OneMinusConstantColorFactor, OneMinusDstAlphaFactor, OneMinusDstColorFactor, OneMinusSrcAlphaFactor, OneMinusSrcColorFactor, OrthographicCamera, PCFShadowMap, PCFSoftShadowMap, Path, PerspectiveCamera, Plane, PlaneGeometry, PlaneHelper, PointLight, PointLightHelper, Points, PointsMaterial, PolarGridHelper, PolyhedronGeometry, PositionalAudio, PropertyBinding, PropertyMixer, QuadraticBezierCurve, QuadraticBezierCurve3, Quaternion, QuaternionKeyframeTrack, QuaternionLinearInterpolant, R11_EAC_Format, RAD2DEG, RED_GREEN_RGTC2_Format, RED_RGTC1_Format, REVISION, RG11_EAC_Format, RGBADepthPacking, RGBAFormat, RGBAIntegerFormat, RGBA_ASTC_10x10_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_BPTC_Format, RGBA_ETC2_EAC_Format, RGBA_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGBDepthPacking, RGBFormat, RGBIntegerFormat, RGB_BPTC_SIGNED_Format, RGB_BPTC_UNSIGNED_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGB_PVRTC_2BPPV1_Format, RGB_PVRTC_4BPPV1_Format, RGB_S3TC_DXT1_Format, RGDepthPacking, RGFormat, RGIntegerFormat, RawShaderMaterial, Ray, Raycaster, RectAreaLight, RedFormat, RedIntegerFormat, ReinhardToneMapping, RenderTarget, RenderTarget3D, RepeatWrapping, ReplaceStencilOp, ReverseSubtractEquation, RingGeometry, SIGNED_R11_EAC_Format, SIGNED_RED_GREEN_RGTC2_Format, SIGNED_RED_RGTC1_Format, SIGNED_RG11_EAC_Format, SRGBColorSpace, SRGBTransfer, Scene, ShaderMaterial, ShadowMaterial, Shape, ShapeGeometry, ShapePath, ShapeUtils, ShortType, Skeleton, SkeletonHelper, SkinnedMesh, Source, Sphere, SphereGeometry, Spherical, SphericalHarmonics3, SplineCurve, SpotLight, SpotLightHelper, Sprite, SpriteMaterial, SrcAlphaFactor, SrcAlphaSaturateFactor, SrcColorFactor, StaticCopyUsage, StaticDrawUsage, StaticReadUsage, StereoCamera, StreamCopyUsage, StreamDrawUsage, StreamReadUsage, StringKeyframeTrack, SubtractEquation, SubtractiveBlending, TOUCH, TangentSpaceNormalMap, TetrahedronGeometry, Texture, TextureLoader, TextureUtils, Timer, TimestampQuery, TorusGeometry, TorusKnotGeometry, Triangle, TriangleFanDrawMode, TriangleStripDrawMode, TrianglesDrawMode, TubeGeometry, UVMapping, Uint16BufferAttribute, Uint32BufferAttribute, Uint8BufferAttribute, Uint8ClampedBufferAttribute, Uniform, UniformsGroup, UniformsUtils, UnsignedByteType, UnsignedInt101111Type, UnsignedInt248Type, UnsignedInt5999Type, UnsignedIntType, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedShortType, VSMShadowMap, Vector2, Vector3, Vector4, VectorKeyframeTrack, VideoFrameTexture, VideoTexture, WebGL3DRenderTarget, WebGLArrayRenderTarget, WebGLCoordinateSystem, WebGLRenderTarget, WebGPUCoordinateSystem, WebXRController, WireframeGeometry, WrapAroundEnding, ZeroCurvatureEnding, ZeroFactor, ZeroSlopeEnding, ZeroStencilOp, cloneUniforms, createCanvasElement, createElementNS, error, getByteLength, getConsoleFunction, getUnlitUniformColorSpace, isTypedArray, log, mergeUniforms, probeAsync, setConsoleFunction, warn, warnOnce };
+export { ACESFilmicToneMapping, AddEquation, AddOperation, AdditiveAnimationBlendMode, AdditiveBlending, AgXToneMapping, AlphaFormat, AlwaysCompare, AlwaysDepth, AlwaysStencilFunc, AmbientLight, AnimationAction, AnimationClip, AnimationLoader, AnimationMixer, AnimationObjectGroup, AnimationUtils, ArcCurve, ArrayCamera, ArrowHelper, AttachedBindMode, Audio, AudioAnalyser, AudioContext, AudioListener, AudioLoader, AxesHelper, BackSide, BasicDepthPacking, BasicShadowMap, BatchedMesh, BezierInterpolant, Bone, BooleanKeyframeTrack, Box2, Box3, Box3Helper, BoxGeometry, BoxHelper, BufferAttribute, BufferGeometry, BufferGeometryLoader, ByteType, Cache, Camera, CameraHelper, CanvasTexture, CapsuleGeometry, CatmullRomCurve3, CineonToneMapping, CircleGeometry, ClampToEdgeWrapping, Clock, Color, ColorKeyframeTrack, ColorManagement, Compatibility, CompressedArrayTexture, CompressedCubeTexture, CompressedTexture, CompressedTextureLoader, ConeGeometry, ConstantAlphaFactor, ConstantColorFactor, Controls, CubeCamera, CubeDepthTexture, CubeReflectionMapping, CubeRefractionMapping, CubeTexture, CubeTextureLoader, CubeUVReflectionMapping, CubicBezierCurve, CubicBezierCurve3, CubicInterpolant, CullFaceBack, CullFaceFront, CullFaceFrontBack, CullFaceNone, Curve, CurvePath, CustomBlending, CustomToneMapping, CylinderGeometry, Cylindrical, Data3DTexture, DataArrayTexture, DataTexture, DataTextureLoader, DataUtils, DecrementStencilOp, DecrementWrapStencilOp, DefaultLoadingManager, DepthFormat, DepthStencilFormat, DepthTexture, DetachedBindMode, DirectionalLight, DirectionalLightHelper, DiscreteInterpolant, DodecahedronGeometry, DoubleSide, DstAlphaFactor, DstColorFactor, DynamicCopyUsage, DynamicDrawUsage, DynamicReadUsage, EdgesGeometry, EllipseCurve, EqualCompare, EqualDepth, EqualStencilFunc, EquirectangularReflectionMapping, EquirectangularRefractionMapping, Euler, EventDispatcher, ExternalTexture, ExtrudeGeometry, FileLoader, Float16BufferAttribute, Float32BufferAttribute, FloatType, Fog, FogExp2, FramebufferTexture, FrontSide, Frustum, FrustumArray, GLBufferAttribute, GLSL1, GLSL3, GreaterCompare, GreaterDepth, GreaterEqualCompare, GreaterEqualDepth, GreaterEqualStencilFunc, GreaterStencilFunc, GridHelper, Group, HalfFloatType, HemisphereLight, HemisphereLightHelper, IcosahedronGeometry, ImageBitmapLoader, ImageLoader, ImageUtils, IncrementStencilOp, IncrementWrapStencilOp, InstancedBufferAttribute, InstancedBufferGeometry, InstancedInterleavedBuffer, InstancedMesh, Int16BufferAttribute, Int32BufferAttribute, Int8BufferAttribute, IntType, InterleavedBuffer, InterleavedBufferAttribute, Interpolant, InterpolateBezier, InterpolateDiscrete, InterpolateLinear, InterpolateSmooth, InterpolationSamplingMode, InterpolationSamplingType, InvertStencilOp, KeepStencilOp, KeyframeTrack, LOD, LatheGeometry, Layers, LessCompare, LessDepth, LessEqualCompare, LessEqualDepth, LessEqualStencilFunc, LessStencilFunc, Light, LightProbe, Line, Line3, LineBasicMaterial, LineCurve, LineCurve3, LineDashedMaterial, LineLoop, LineSegments, LinearFilter, LinearInterpolant, LinearMipMapLinearFilter, LinearMipMapNearestFilter, LinearMipmapLinearFilter, LinearMipmapNearestFilter, LinearSRGBColorSpace, LinearToneMapping, LinearTransfer, Loader, LoaderUtils, LoadingManager, LoopOnce, LoopPingPong, LoopRepeat, MOUSE, Material, MaterialBlending, MaterialLoader, MathUtils, Matrix2, Matrix3, Matrix4, MaxEquation, Mesh, MeshBasicMaterial, MeshDepthMaterial, MeshDistanceMaterial, MeshLambertMaterial, MeshMatcapMaterial, MeshNormalMaterial, MeshPhongMaterial, MeshPhysicalMaterial, MeshStandardMaterial, MeshToonMaterial, MinEquation, MirroredRepeatWrapping, MixOperation, MultiplyBlending, MultiplyOperation, NearestFilter, NearestMipMapLinearFilter, NearestMipMapNearestFilter, NearestMipmapLinearFilter, NearestMipmapNearestFilter, NeutralToneMapping, NeverCompare, NeverDepth, NeverStencilFunc, NoBlending, NoColorSpace, NoNormalPacking, NoToneMapping, NormalAnimationBlendMode, NormalBlending, NormalGAPacking, NormalRGPacking, NotEqualCompare, NotEqualDepth, NotEqualStencilFunc, NumberKeyframeTrack, Object3D, ObjectLoader, ObjectSpaceNormalMap, OctahedronGeometry, OneFactor, OneMinusConstantAlphaFactor, OneMinusConstantColorFactor, OneMinusDstAlphaFactor, OneMinusDstColorFactor, OneMinusSrcAlphaFactor, OneMinusSrcColorFactor, OrthographicCamera, PCFShadowMap, PCFSoftShadowMap, Path, PerspectiveCamera, Plane, PlaneGeometry, PlaneHelper, PointLight, PointLightHelper, Points, PointsMaterial, PolarGridHelper, PolyhedronGeometry, PositionalAudio, PropertyBinding, PropertyMixer, QuadraticBezierCurve, QuadraticBezierCurve3, Quaternion, QuaternionKeyframeTrack, QuaternionLinearInterpolant, R11_EAC_Format, RAD2DEG, RED_GREEN_RGTC2_Format, RED_RGTC1_Format, REVISION, RG11_EAC_Format, RGBADepthPacking, RGBAFormat, RGBAIntegerFormat, RGBA_ASTC_10x10_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_BPTC_Format, RGBA_ETC2_EAC_Format, RGBA_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGBDepthPacking, RGBFormat, RGBIntegerFormat, RGB_BPTC_SIGNED_Format, RGB_BPTC_UNSIGNED_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGB_PVRTC_2BPPV1_Format, RGB_PVRTC_4BPPV1_Format, RGB_S3TC_DXT1_Format, RGDepthPacking, RGFormat, RGIntegerFormat, RawShaderMaterial, Ray, Raycaster, RectAreaLight, RedFormat, RedIntegerFormat, ReinhardToneMapping, RenderTarget, RenderTarget3D, RepeatWrapping, ReplaceStencilOp, ReverseSubtractEquation, ReversedDepthFuncs, RingGeometry, SIGNED_R11_EAC_Format, SIGNED_RED_GREEN_RGTC2_Format, SIGNED_RED_RGTC1_Format, SIGNED_RG11_EAC_Format, SRGBColorSpace, SRGBTransfer, Scene, ShaderMaterial, ShadowMaterial, Shape, ShapeGeometry, ShapePath, ShapeUtils, ShortType, Skeleton, SkeletonHelper, SkinnedMesh, Source, Sphere, SphereGeometry, Spherical, SphericalHarmonics3, SplineCurve, SpotLight, SpotLightHelper, Sprite, SpriteMaterial, SrcAlphaFactor, SrcAlphaSaturateFactor, SrcColorFactor, StaticCopyUsage, StaticDrawUsage, StaticReadUsage, StereoCamera, StreamCopyUsage, StreamDrawUsage, StreamReadUsage, StringKeyframeTrack, SubtractEquation, SubtractiveBlending, TOUCH, TangentSpaceNormalMap, TetrahedronGeometry, Texture, TextureLoader, TextureUtils, Timer, TimestampQuery, TorusGeometry, TorusKnotGeometry, Triangle, TriangleFanDrawMode, TriangleStripDrawMode, TrianglesDrawMode, TubeGeometry, UVMapping, Uint16BufferAttribute, Uint32BufferAttribute, Uint8BufferAttribute, Uint8ClampedBufferAttribute, Uniform, UniformsGroup, UniformsUtils, UnsignedByteType, UnsignedInt101111Type, UnsignedInt248Type, UnsignedInt5999Type, UnsignedIntType, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedShortType, VSMShadowMap, Vector2, Vector3, Vector4, VectorKeyframeTrack, VideoFrameTexture, VideoTexture, WebGL3DRenderTarget, WebGLArrayRenderTarget, WebGLCoordinateSystem, WebGLRenderTarget, WebGPUCoordinateSystem, WebXRController, WireframeGeometry, WrapAroundEnding, ZeroCurvatureEnding, ZeroFactor, ZeroSlopeEnding, ZeroStencilOp, cloneUniforms, createCanvasElement, createElementNS, error, getByteLength, getConsoleFunction, getUnlitUniformColorSpace, isTypedArray, log, mergeUniforms, probeAsync, setConsoleFunction, warn, warnOnce };
diff --git a/build/three.core.min.js b/build/three.core.min.js
index 2b5783793ea5ee..08ad3f04274b65 100644
--- a/build/three.core.min.js
+++ b/build/three.core.min.js
@@ -3,4 +3,4 @@
  * Copyright 2010-2026 Three.js Authors
  * SPDX-License-Identifier: MIT
  */
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e=t.elements,i=e[0],s=e[4],r=e[8],n=e[1],a=e[5],o=e[9],h=e[2],l=e[6],c=e[10],u=i+a+c;if(u>0){const t=.5/Math.sqrt(u+1);this._w=.25/t,this._x=(l-o)*t,this._y=(r-h)*t,this._z=(n-s)*t}else if(i>a&&i>c){const t=2*Math.sqrt(1+i-a-c);this._w=(l-o)/t,this._x=.25*t,this._y=(s+n)/t,this._z=(r+h)/t}else if(a>c){const t=2*Math.sqrt(1+a-i-c);this._w=(r-h)/t,this._x=(s+n)/t,this._y=.25*t,this._z=(o+l)/t}else{const t=2*Math.sqrt(1+c-i-a);this._w=(n-s)/t,this._x=(r+h)/t,this._y=(o+l)/t,this._z=.25*t}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let i=t.dot(e)+1;return i<1e-8?(i=0,Math.abs(t.x)>Math.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=i):(this._x=0,this._y=-t.z,this._z=t.y,this._w=i)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=i),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(gs(this.dot(t),-1,1)))}rotateTowards(t,e){const i=this.angleTo(t);if(0===i)return this;const s=Math.min(1,e/i);return 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i=t._x,s=t._y,r=t._z,n=t._w,a=this.dot(t);a<0&&(i=-i,s=-s,r=-r,n=-n,a=-a);let o=1-e;if(a<.9995){const t=Math.acos(a),h=Math.sin(t);o=Math.sin(o*t)/h,e=Math.sin(e*t)/h,this._x=this._x*o+i*e,this._y=this._y*o+s*e,this._z=this._z*o+r*e,this._w=this._w*o+n*e,this._onChangeCallback()}else this._x=this._x*o+i*e,this._y=this._y*o+s*e,this._z=this._z*o+r*e,this._w=this._w*o+n*e,this.normalize();return this}slerpQuaternions(t,e,i){return this.copy(t).slerp(e,i)}random(){const t=2*Math.PI*Math.random(),e=2*Math.PI*Math.random(),i=Math.random(),s=Math.sqrt(1-i),r=Math.sqrt(i);return this.set(s*Math.sin(t),s*Math.cos(t),r*Math.sin(e),r*Math.cos(e))}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w}fromArray(t,e=0){return this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t}fromBufferAttribute(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class _s{constructor(t=0,e=0,i=0){_s.prototype.isVector3=!0,this.x=t,this.y=e,this.z=i}set(t,e,i){return void 0===i&&(i=this.z),this.x=t,this.y=e,this.z=i,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return 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this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,i=this.y,s=this.z,r=t.elements,n=1/(r[3]*e+r[7]*i+r[11]*s+r[15]);return this.x=(r[0]*e+r[4]*i+r[8]*s+r[12])*n,this.y=(r[1]*e+r[5]*i+r[9]*s+r[13])*n,this.z=(r[2]*e+r[6]*i+r[10]*s+r[14])*n,this}applyQuaternion(t){const e=this.x,i=this.y,s=this.z,r=t.x,n=t.y,a=t.z,o=t.w,h=2*(n*s-a*i),l=2*(a*e-r*s),c=2*(r*i-n*e);return this.x=e+o*h+n*c-a*l,this.y=i+o*l+a*h-r*c,this.z=s+o*c+r*l-n*h,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,i=this.y,s=this.z,r=t.elements;return this.x=r[0]*e+r[4]*i+r[8]*s,this.y=r[1]*e+r[5]*i+r[9]*s,this.z=r[2]*e+r[6]*i+r[10]*s,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return 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this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,i){return this.x=t.x+(e.x-t.x)*i,this.y=t.y+(e.y-t.y)*i,this.z=t.z+(e.z-t.z)*i,this}cross(t){return this.crossVectors(this,t)}crossVectors(t,e){const i=t.x,s=t.y,r=t.z,n=e.x,a=e.y,o=e.z;return this.x=s*o-r*a,this.y=r*n-i*o,this.z=i*a-s*n,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const i=t.dot(this)/e;return this.copy(t).multiplyScalar(i)}projectOnPlane(t){return As.copy(this).projectOnVector(t),this.sub(As)}reflect(t){return this.sub(As.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const i=this.dot(t)/e;return Math.acos(gs(i,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,i=this.y-t.y,s=this.z-t.z;return e*e+i*i+s*s}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,i){const s=Math.sin(e)*t;return this.x=s*Math.sin(i),this.y=Math.cos(e)*t,this.z=s*Math.cos(i),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,i){return this.x=t*Math.sin(e),this.y=i,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),i=this.setFromMatrixColumn(t,1).length(),s=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=i,this.z=s,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,4*e)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,3*e)}setFromEuler(t){return this.x=t._x,this.y=t._y,this.z=t._z,this}setFromColor(t){return this.x=t.r,this.y=t.g,this.z=t.b,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=Math.random()*Math.PI*2,e=2*Math.random()-1,i=Math.sqrt(1-e*e);return this.x=i*Math.cos(t),this.y=e,this.z=i*Math.sin(t),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const As=new _s,Ts=new Ss;class zs{constructor(t,e,i,s,r,n,a,o,h){zs.prototype.isMatrix3=!0,this.elements=[1,0,0,0,1,0,0,0,1],void 0!==t&&this.set(t,e,i,s,r,n,a,o,h)}set(t,e,i,s,r,n,a,o,h){const l=this.elements;return l[0]=t,l[1]=s,l[2]=a,l[3]=e,l[4]=r,l[5]=o,l[6]=i,l[7]=n,l[8]=h,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(t){const e=this.elements,i=t.elements;return e[0]=i[0],e[1]=i[1],e[2]=i[2],e[3]=i[3],e[4]=i[4],e[5]=i[5],e[6]=i[6],e[7]=i[7],e[8]=i[8],this}extractBasis(t,e,i){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),i.setFromMatrix3Column(this,2),this}setFromMatrix4(t){const e=t.elements;return this.set(e[0],e[4],e[8],e[1],e[5],e[9],e[2],e[6],e[10]),this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const i=t.elements,s=e.elements,r=this.elements,n=i[0],a=i[3],o=i[6],h=i[1],l=i[4],c=i[7],u=i[2],d=i[5],p=i[8],m=s[0],y=s[3],g=s[6],f=s[1],x=s[4],b=s[7],v=s[2],w=s[5],M=s[8];return r[0]=n*m+a*f+o*v,r[3]=n*y+a*x+o*w,r[6]=n*g+a*b+o*M,r[1]=h*m+l*f+c*v,r[4]=h*y+l*x+c*w,r[7]=h*g+l*b+c*M,r[2]=u*m+d*f+p*v,r[5]=u*y+d*x+p*w,r[8]=u*g+d*b+p*M,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[3]*=t,e[6]*=t,e[1]*=t,e[4]*=t,e[7]*=t,e[2]*=t,e[5]*=t,e[8]*=t,this}determinant(){const t=this.elements,e=t[0],i=t[1],s=t[2],r=t[3],n=t[4],a=t[5],o=t[6],h=t[7],l=t[8];return e*n*l-e*a*h-i*r*l+i*a*o+s*r*h-s*n*o}invert(){const t=this.elements,e=t[0],i=t[1],s=t[2],r=t[3],n=t[4],a=t[5],o=t[6],h=t[7],l=t[8],c=l*n-a*h,u=a*o-l*r,d=h*r-n*o,p=e*c+i*u+s*d;if(0===p)return this.set(0,0,0,0,0,0,0,0,0);const m=1/p;return t[0]=c*m,t[1]=(s*h-l*i)*m,t[2]=(a*i-s*n)*m,t[3]=u*m,t[4]=(l*e-s*o)*m,t[5]=(s*r-a*e)*m,t[6]=d*m,t[7]=(i*o-h*e)*m,t[8]=(n*e-i*r)*m,this}transpose(){let t;const e=this.elements;return t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this}getNormalMatrix(t){return this.setFromMatrix4(t).invert().transpose()}transposeIntoArray(t){const e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this}setUvTransform(t,e,i,s,r,n,a){const o=Math.cos(r),h=Math.sin(r);return this.set(i*o,i*h,-i*(o*n+h*a)+n+t,-s*h,s*o,-s*(-h*n+o*a)+a+e,0,0,1),this}scale(t,e){return this.premultiply(Cs.makeScale(t,e)),this}rotate(t){return this.premultiply(Cs.makeRotation(-t)),this}translate(t,e){return this.premultiply(Cs.makeTranslation(t,e)),this}makeTranslation(t,e){return t.isVector2?this.set(1,0,t.x,0,1,t.y,0,0,1):this.set(1,0,t,0,1,e,0,0,1),this}makeRotation(t){const e=Math.cos(t),i=Math.sin(t);return this.set(e,-i,0,i,e,0,0,0,1),this}makeScale(t,e){return this.set(t,0,0,0,e,0,0,0,1),this}equals(t){const e=this.elements,i=t.elements;for(let t=0;t<9;t++)if(e[t]!==i[t])return!1;return!0}fromArray(t,e=0){for(let i=0;i<9;i++)this.elements[i]=t[i+e];return this}toArray(t=[],e=0){const i=this.elements;return t[e]=i[0],t[e+1]=i[1],t[e+2]=i[2],t[e+3]=i[3],t[e+4]=i[4],t[e+5]=i[5],t[e+6]=i[6],t[e+7]=i[7],t[e+8]=i[8],t}clone(){return(new this.constructor).fromArray(this.elements)}}const Cs=new zs,Is=(new zs).set(.4123908,.3575843,.1804808,.212639,.7151687,.0721923,.0193308,.1191948,.9505322),ks=(new zs).set(3.2409699,-1.5373832,-.4986108,-.9692436,1.8759675,.0415551,.0556301,-.203977,1.0569715);function Bs(){const t={enabled:!0,workingColorSpace:ii,spaces:{},convert:function(t,e,i){return!1!==this.enabled&&e!==i&&e&&i?(this.spaces[e].transfer===ri&&(t.r=Ps(t.r),t.g=Ps(t.g),t.b=Ps(t.b)),this.spaces[e].primaries!==this.spaces[i].primaries&&(t.applyMatrix3(this.spaces[e].toXYZ),t.applyMatrix3(this.spaces[i].fromXYZ)),this.spaces[i].transfer===ri&&(t.r=Rs(t.r),t.g=Rs(t.g),t.b=Rs(t.b)),t):t},workingToColorSpace:function(t,e){return this.convert(t,this.workingColorSpace,e)},colorSpaceToWorking:function(t,e){return this.convert(t,e,this.workingColorSpace)},getPrimaries:function(t){return this.spaces[t].primaries},getTransfer:function(t){return""===t?si:this.spaces[t].transfer},getToneMappingMode:function(t){return this.spaces[t].outputColorSpaceConfig.toneMappingMode||"standard"},getLuminanceCoefficients:function(t,e=this.workingColorSpace){return t.fromArray(this.spaces[e].luminanceCoefficients)},define:function(t){Object.assign(this.spaces,t)},_getMatrix:function(t,e,i){return t.copy(this.spaces[e].toXYZ).multiply(this.spaces[i].fromXYZ)},_getDrawingBufferColorSpace:function(t){return this.spaces[t].outputColorSpaceConfig.drawingBufferColorSpace},_getUnpackColorSpace:function(t=this.workingColorSpace){return this.spaces[t].workingColorSpaceConfig.unpackColorSpace},fromWorkingColorSpace:function(e,i){return hs("ColorManagement: .fromWorkingColorSpace() has been renamed to .workingToColorSpace()."),t.workingToColorSpace(e,i)},toWorkingColorSpace:function(e,i){return hs("ColorManagement: .toWorkingColorSpace() has been renamed to .colorSpaceToWorking()."),t.colorSpaceToWorking(e,i)}},e=[.64,.33,.3,.6,.15,.06],i=[.2126,.7152,.0722],s=[.3127,.329];return t.define({[ii]:{primaries:e,whitePoint:s,transfer:si,toXYZ:Is,fromXYZ:ks,luminanceCoefficients:i,workingColorSpaceConfig:{unpackColorSpace:ei},outputColorSpaceConfig:{drawingBufferColorSpace:ei}},[ei]:{primaries:e,whitePoint:s,transfer:ri,toXYZ:Is,fromXYZ:ks,luminanceCoefficients:i,outputColorSpaceConfig:{drawingBufferColorSpace:ei}}}),t}const Os=Bs();function Ps(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function Rs(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}let Ns;class Vs{static getDataURL(t,e="image/png"){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;let i;if(t instanceof HTMLCanvasElement)i=t;else{void 0===Ns&&(Ns=Qi("canvas")),Ns.width=t.width,Ns.height=t.height;const e=Ns.getContext("2d");t instanceof ImageData?e.putImageData(t,0,0):e.drawImage(t,0,0,t.width,t.height),i=Ns}return i.toDataURL(e)}static sRGBToLinear(t){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const e=Qi("canvas");e.width=t.width,e.height=t.height;const i=e.getContext("2d");i.drawImage(t,0,0,t.width,t.height);const s=i.getImageData(0,0,t.width,t.height),r=s.data;for(let t=0;t<r.length;t++)r[t]=255*Ps(r[t]/255);return i.putImageData(s,0,0),e}if(t.data){const e=t.data.slice(0);for(let t=0;t<e.length;t++)e instanceof Uint8Array||e instanceof Uint8ClampedArray?e[t]=Math.floor(255*Ps(e[t]/255)):e[t]=Ps(e[t]);return{data:e,width:t.width,height:t.height}}return as("ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),t}}let Es=0;class Fs{constructor(t=null){this.isSource=!0,Object.defineProperty(this,"id",{value:Es++}),this.uuid=ys(),this.data=t,this.dataReady=!0,this.version=0}getSize(t){const e=this.data;return"undefined"!=typeof HTMLVideoElement&&e instanceof HTMLVideoElement?t.set(e.videoWidth,e.videoHeight,0):"undefined"!=typeof VideoFrame&&e instanceof VideoFrame?t.set(e.displayHeight,e.displayWidth,0):null!==e?t.set(e.width,e.height,e.depth||0):t.set(0,0,0),t}set needsUpdate(t){!0===t&&this.version++}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.images[this.uuid])return t.images[this.uuid];const i={uuid:this.uuid,url:""},s=this.data;if(null!==s){let t;if(Array.isArray(s)){t=[];for(let e=0,i=s.length;e<i;e++)s[e].isDataTexture?t.push(Ls(s[e].image)):t.push(Ls(s[e]))}else t=Ls(s);i.url=t}return e||(t.images[this.uuid]=i),i}}function Ls(t){return"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap?Vs.getDataURL(t):t.data?{data:Array.from(t.data),width:t.width,height:t.height,type:t.data.constructor.name}:(as("Texture: Unable to serialize Texture."),{})}let js=0;const Ds=new _s;class Ws extends cs{constructor(t=Ws.DEFAULT_IMAGE,e=Ws.DEFAULT_MAPPING,i=1001,s=1001,r=1006,n=1008,a=1023,o=1009,h=Ws.DEFAULT_ANISOTROPY,l=""){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:js++}),this.uuid=ys(),this.name="",this.source=new Fs(t),this.mipmaps=[],this.mapping=e,this.channel=0,this.wrapS=i,this.wrapT=s,this.magFilter=r,this.minFilter=n,this.anisotropy=h,this.format=a,this.internalFormat=null,this.type=o,this.offset=new Ms(0,0),this.repeat=new Ms(1,1),this.center=new Ms(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new zs,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.colorSpace=l,this.userData={},this.updateRanges=[],this.version=0,this.onUpdate=null,this.renderTarget=null,this.isRenderTargetTexture=!1,this.isArrayTexture=!!(t&&t.depth&&t.depth>1),this.pmremVersion=0}get width(){return this.source.getSize(Ds).x}get height(){return this.source.getSize(Ds).y}get depth(){return this.source.getSize(Ds).z}get image(){return this.source.data}set image(t=null){this.source.data=t}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}clone(){return(new this.constructor).copy(this)}copy(t){return this.name=t.name,this.source=t.source,this.mipmaps=t.mipmaps.slice(0),this.mapping=t.mapping,this.channel=t.channel,this.wrapS=t.wrapS,this.wrapT=t.wrapT,this.magFilter=t.magFilter,this.minFilter=t.minFilter,this.anisotropy=t.anisotropy,this.format=t.format,this.internalFormat=t.internalFormat,this.type=t.type,this.offset.copy(t.offset),this.repeat.copy(t.repeat),this.center.copy(t.center),this.rotation=t.rotation,this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrix.copy(t.matrix),this.generateMipmaps=t.generateMipmaps,this.premultiplyAlpha=t.premultiplyAlpha,this.flipY=t.flipY,this.unpackAlignment=t.unpackAlignment,this.colorSpace=t.colorSpace,this.renderTarget=t.renderTarget,this.isRenderTargetTexture=t.isRenderTargetTexture,this.isArrayTexture=t.isArrayTexture,this.userData=JSON.parse(JSON.stringify(t.userData)),this.needsUpdate=!0,this}setValues(t){for(const e in t){const i=t[e];if(void 0===i){as(`Texture.setValues(): parameter '${e}' has value of undefined.`);continue}const s=this[e];void 0!==s?s&&i&&s.isVector2&&i.isVector2||s&&i&&s.isVector3&&i.isVector3||s&&i&&s.isMatrix3&&i.isMatrix3?s.copy(i):this[e]=i:as(`Texture.setValues(): property '${e}' does not exist.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.textures[this.uuid])return t.textures[this.uuid];const i={metadata:{version:4.7,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(t).uuid,mapping:this.mapping,channel:this.channel,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,internalFormat:this.internalFormat,type:this.type,colorSpace:this.colorSpace,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,generateMipmaps:this.generateMipmaps,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return Object.keys(this.userData).length>0&&(i.userData=this.userData),e||(t.textures[this.uuid]=i),i}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(this.mapping!==ht)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case mt:t.x=t.x-Math.floor(t.x);break;case yt:t.x=t.x<0?0:1;break;case gt:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case mt:t.y=t.y-Math.floor(t.y);break;case yt:t.y=t.y<0?0:1;break;case gt:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){!0===t&&(this.version++,this.source.needsUpdate=!0)}set needsPMREMUpdate(t){!0===t&&this.pmremVersion++}}Ws.DEFAULT_IMAGE=null,Ws.DEFAULT_MAPPING=ht,Ws.DEFAULT_ANISOTROPY=1;class Us{constructor(t=0,e=0,i=0,s=1){Us.prototype.isVector4=!0,this.x=t,this.y=e,this.z=i,this.w=s}get width(){return this.z}set width(t){this.z=t}get height(){return this.w}set height(t){this.w=t}set(t,e,i,s){return this.x=t,this.y=e,this.z=i,this.w=s,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this.w=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setW(t){return this.w=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,i=this.y,s=this.z,r=this.w,n=t.elements;return this.x=n[0]*e+n[4]*i+n[8]*s+n[12]*r,this.y=n[1]*e+n[5]*i+n[9]*s+n[13]*r,this.z=n[2]*e+n[6]*i+n[10]*s+n[14]*r,this.w=n[3]*e+n[7]*i+n[11]*s+n[15]*r,this}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this.w/=t.w,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,i,s,r;const n=.01,a=.1,o=t.elements,h=o[0],l=o[4],c=o[8],u=o[1],d=o[5],p=o[9],m=o[2],y=o[6],g=o[10];if(Math.abs(l-u)<n&&Math.abs(c-m)<n&&Math.abs(p-y)<n){if(Math.abs(l+u)<a&&Math.abs(c+m)<a&&Math.abs(p+y)<a&&Math.abs(h+d+g-3)<a)return this.set(1,0,0,0),this;e=Math.PI;const t=(h+1)/2,o=(d+1)/2,f=(g+1)/2,x=(l+u)/4,b=(c+m)/4,v=(p+y)/4;return t>o&&t>f?t<n?(i=0,s=.707106781,r=.707106781):(i=Math.sqrt(t),s=x/i,r=b/i):o>f?o<n?(i=.707106781,s=0,r=.707106781):(s=Math.sqrt(o),i=x/s,r=v/s):f<n?(i=.707106781,s=.707106781,r=0):(r=Math.sqrt(f),i=b/r,s=v/r),this.set(i,s,r,e),this}let f=Math.sqrt((y-p)*(y-p)+(c-m)*(c-m)+(u-l)*(u-l));return Math.abs(f)<.001&&(f=1),this.x=(y-p)/f,this.y=(c-m)/f,this.z=(u-l)/f,this.w=Math.acos((h+d+g-1)/2),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this.w=e[15],this}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this.w=Math.min(this.w,t.w),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this.w=Math.max(this.w,t.w),this}clamp(t,e){return this.x=gs(this.x,t.x,e.x),this.y=gs(this.y,t.y,e.y),this.z=gs(this.z,t.z,e.z),this.w=gs(this.w,t.w,e.w),this}clampScalar(t,e){return this.x=gs(this.x,t,e),this.y=gs(this.y,t,e),this.z=gs(this.z,t,e),this.w=gs(this.w,t,e),this}clampLength(t,e){const i=this.length();return this.divideScalar(i||1).multiplyScalar(gs(i,t,e))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this.w=Math.trunc(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z+this.w*t.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this.w+=(t.w-this.w)*e,this}lerpVectors(t,e,i){return this.x=t.x+(e.x-t.x)*i,this.y=t.y+(e.y-t.y)*i,this.z=t.z+(e.z-t.z)*i,this.w=t.w+(e.w-t.w)*i,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z&&t.w===this.w}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this.w=t[e+3],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t[e+3]=this.w,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this.w=t.getW(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z,yield this.w}}class Js extends cs{constructor(t=1,e=1,i={}){super(),i=Object.assign({generateMipmaps:!1,internalFormat:null,minFilter:Mt,depthBuffer:!0,stencilBuffer:!1,resolveDepthBuffer:!0,resolveStencilBuffer:!0,depthTexture:null,samples:0,count:1,depth:1,multiview:!1},i),this.isRenderTarget=!0,this.width=t,this.height=e,this.depth=i.depth,this.scissor=new Us(0,0,t,e),this.scissorTest=!1,this.viewport=new Us(0,0,t,e);const s={width:t,height:e,depth:i.depth},r=new Ws(s);this.textures=[];const n=i.count;for(let t=0;t<n;t++)this.textures[t]=r.clone(),this.textures[t].isRenderTargetTexture=!0,this.textures[t].renderTarget=this;this._setTextureOptions(i),this.depthBuffer=i.depthBuffer,this.stencilBuffer=i.stencilBuffer,this.resolveDepthBuffer=i.resolveDepthBuffer,this.resolveStencilBuffer=i.resolveStencilBuffer,this._depthTexture=null,this.depthTexture=i.depthTexture,this.samples=i.samples,this.multiview=i.multiview}_setTextureOptions(t={}){const e={minFilter:Mt,generateMipmaps:!1,flipY:!1,internalFormat:null};void 0!==t.mapping&&(e.mapping=t.mapping),void 0!==t.wrapS&&(e.wrapS=t.wrapS),void 0!==t.wrapT&&(e.wrapT=t.wrapT),void 0!==t.wrapR&&(e.wrapR=t.wrapR),void 0!==t.magFilter&&(e.magFilter=t.magFilter),void 0!==t.minFilter&&(e.minFilter=t.minFilter),void 0!==t.format&&(e.format=t.format),void 0!==t.type&&(e.type=t.type),void 0!==t.anisotropy&&(e.anisotropy=t.anisotropy),void 0!==t.colorSpace&&(e.colorSpace=t.colorSpace),void 0!==t.flipY&&(e.flipY=t.flipY),void 0!==t.generateMipmaps&&(e.generateMipmaps=t.generateMipmaps),void 0!==t.internalFormat&&(e.internalFormat=t.internalFormat);for(let t=0;t<this.textures.length;t++){this.textures[t].setValues(e)}}get texture(){return this.textures[0]}set texture(t){this.textures[0]=t}set depthTexture(t){null!==this._depthTexture&&(this._depthTexture.renderTarget=null),null!==t&&(t.renderTarget=this),this._depthTexture=t}get depthTexture(){return this._depthTexture}setSize(t,e,i=1){if(this.width!==t||this.height!==e||this.depth!==i){this.width=t,this.height=e,this.depth=i;for(let s=0,r=this.textures.length;s<r;s++)this.textures[s].image.width=t,this.textures[s].image.height=e,this.textures[s].image.depth=i,!0!==this.textures[s].isData3DTexture&&(this.textures[s].isArrayTexture=this.textures[s].image.depth>1);this.dispose()}this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e)}clone(){return(new this.constructor).copy(this)}copy(t){this.width=t.width,this.height=t.height,this.depth=t.depth,this.scissor.copy(t.scissor),this.scissorTest=t.scissorTest,this.viewport.copy(t.viewport),this.textures.length=0;for(let e=0,i=t.textures.length;e<i;e++){this.textures[e]=t.textures[e].clone(),this.textures[e].isRenderTargetTexture=!0,this.textures[e].renderTarget=this;const i=Object.assign({},t.textures[e].image);this.textures[e].source=new Fs(i)}return this.depthBuffer=t.depthBuffer,this.stencilBuffer=t.stencilBuffer,this.resolveDepthBuffer=t.resolveDepthBuffer,this.resolveStencilBuffer=t.resolveStencilBuffer,null!==t.depthTexture&&(this.depthTexture=t.depthTexture.clone()),this.samples=t.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}class qs extends Js{constructor(t=1,e=1,i={}){super(t,e,i),this.isWebGLRenderTarget=!0}}class Xs extends Ws{constructor(t=null,e=1,i=1,s=1){super(null),this.isDataArrayTexture=!0,this.image={data:t,width:e,height:i,depth:s},this.magFilter=ft,this.minFilter=ft,this.wrapR=yt,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.layerUpdates=new Set}addLayerUpdate(t){this.layerUpdates.add(t)}clearLayerUpdates(){this.layerUpdates.clear()}}class Ys extends qs{constructor(t=1,e=1,i=1,s={}){super(t,e,s),this.isWebGLArrayRenderTarget=!0,this.depth=i,this.texture=new Xs(null,t,e,i),this._setTextureOptions(s),this.texture.isRenderTargetTexture=!0}}class Hs extends Ws{constructor(t=null,e=1,i=1,s=1){super(null),this.isData3DTexture=!0,this.image={data:t,width:e,height:i,depth:s},this.magFilter=ft,this.minFilter=ft,this.wrapR=yt,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class Zs extends qs{constructor(t=1,e=1,i=1,s={}){super(t,e,s),this.isWebGL3DRenderTarget=!0,this.depth=i,this.texture=new Hs(null,t,e,i),this._setTextureOptions(s),this.texture.isRenderTargetTexture=!0}}class Gs{constructor(t,e,i,s,r,n,a,o,h,l,c,u,d,p,m,y){Gs.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],void 0!==t&&this.set(t,e,i,s,r,n,a,o,h,l,c,u,d,p,m,y)}set(t,e,i,s,r,n,a,o,h,l,c,u,d,p,m,y){const g=this.elements;return g[0]=t,g[4]=e,g[8]=i,g[12]=s,g[1]=r,g[5]=n,g[9]=a,g[13]=o,g[2]=h,g[6]=l,g[10]=c,g[14]=u,g[3]=d,g[7]=p,g[11]=m,g[15]=y,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return(new Gs).fromArray(this.elements)}copy(t){const e=this.elements,i=t.elements;return e[0]=i[0],e[1]=i[1],e[2]=i[2],e[3]=i[3],e[4]=i[4],e[5]=i[5],e[6]=i[6],e[7]=i[7],e[8]=i[8],e[9]=i[9],e[10]=i[10],e[11]=i[11],e[12]=i[12],e[13]=i[13],e[14]=i[14],e[15]=i[15],this}copyPosition(t){const e=this.elements,i=t.elements;return e[12]=i[12],e[13]=i[13],e[14]=i[14],this}setFromMatrix3(t){const e=t.elements;return this.set(e[0],e[3],e[6],0,e[1],e[4],e[7],0,e[2],e[5],e[8],0,0,0,0,1),this}extractBasis(t,e,i){return 0===this.determinant()?(t.set(1,0,0),e.set(0,1,0),i.set(0,0,1),this):(t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),i.setFromMatrixColumn(this,2),this)}makeBasis(t,e,i){return this.set(t.x,e.x,i.x,0,t.y,e.y,i.y,0,t.z,e.z,i.z,0,0,0,0,1),this}extractRotation(t){if(0===t.determinant())return this.identity();const e=this.elements,i=t.elements,s=1/$s.setFromMatrixColumn(t,0).length(),r=1/$s.setFromMatrixColumn(t,1).length(),n=1/$s.setFromMatrixColumn(t,2).length();return e[0]=i[0]*s,e[1]=i[1]*s,e[2]=i[2]*s,e[3]=0,e[4]=i[4]*r,e[5]=i[5]*r,e[6]=i[6]*r,e[7]=0,e[8]=i[8]*n,e[9]=i[9]*n,e[10]=i[10]*n,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromEuler(t){const e=this.elements,i=t.x,s=t.y,r=t.z,n=Math.cos(i),a=Math.sin(i),o=Math.cos(s),h=Math.sin(s),l=Math.cos(r),c=Math.sin(r);if("XYZ"===t.order){const t=n*l,i=n*c,s=a*l,r=a*c;e[0]=o*l,e[4]=-o*c,e[8]=h,e[1]=i+s*h,e[5]=t-r*h,e[9]=-a*o,e[2]=r-t*h,e[6]=s+i*h,e[10]=n*o}else if("YXZ"===t.order){const t=o*l,i=o*c,s=h*l,r=h*c;e[0]=t+r*a,e[4]=s*a-i,e[8]=n*h,e[1]=n*c,e[5]=n*l,e[9]=-a,e[2]=i*a-s,e[6]=r+t*a,e[10]=n*o}else if("ZXY"===t.order){const t=o*l,i=o*c,s=h*l,r=h*c;e[0]=t-r*a,e[4]=-n*c,e[8]=s+i*a,e[1]=i+s*a,e[5]=n*l,e[9]=r-t*a,e[2]=-n*h,e[6]=a,e[10]=n*o}else if("ZYX"===t.order){const t=n*l,i=n*c,s=a*l,r=a*c;e[0]=o*l,e[4]=s*h-i,e[8]=t*h+r,e[1]=o*c,e[5]=r*h+t,e[9]=i*h-s,e[2]=-h,e[6]=a*o,e[10]=n*o}else if("YZX"===t.order){const t=n*o,i=n*h,s=a*o,r=a*h;e[0]=o*l,e[4]=r-t*c,e[8]=s*c+i,e[1]=c,e[5]=n*l,e[9]=-a*l,e[2]=-h*l,e[6]=i*c+s,e[10]=t-r*c}else if("XZY"===t.order){const t=n*o,i=n*h,s=a*o,r=a*h;e[0]=o*l,e[4]=-c,e[8]=h*l,e[1]=t*c+r,e[5]=n*l,e[9]=i*c-s,e[2]=s*c-i,e[6]=a*l,e[10]=r*c+t}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromQuaternion(t){return this.compose(Ks,t,tr)}lookAt(t,e,i){const s=this.elements;return sr.subVectors(t,e),0===sr.lengthSq()&&(sr.z=1),sr.normalize(),er.crossVectors(i,sr),0===er.lengthSq()&&(1===Math.abs(i.z)?sr.x+=1e-4:sr.z+=1e-4,sr.normalize(),er.crossVectors(i,sr)),er.normalize(),ir.crossVectors(sr,er),s[0]=er.x,s[4]=ir.x,s[8]=sr.x,s[1]=er.y,s[5]=ir.y,s[9]=sr.y,s[2]=er.z,s[6]=ir.z,s[10]=sr.z,this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const i=t.elements,s=e.elements,r=this.elements,n=i[0],a=i[4],o=i[8],h=i[12],l=i[1],c=i[5],u=i[9],d=i[13],p=i[2],m=i[6],y=i[10],g=i[14],f=i[3],x=i[7],b=i[11],v=i[15],w=s[0],M=s[4],S=s[8],_=s[12],A=s[1],T=s[5],z=s[9],C=s[13],I=s[2],k=s[6],B=s[10],O=s[14],P=s[3],R=s[7],N=s[11],V=s[15];return r[0]=n*w+a*A+o*I+h*P,r[4]=n*M+a*T+o*k+h*R,r[8]=n*S+a*z+o*B+h*N,r[12]=n*_+a*C+o*O+h*V,r[1]=l*w+c*A+u*I+d*P,r[5]=l*M+c*T+u*k+d*R,r[9]=l*S+c*z+u*B+d*N,r[13]=l*_+c*C+u*O+d*V,r[2]=p*w+m*A+y*I+g*P,r[6]=p*M+m*T+y*k+g*R,r[10]=p*S+m*z+y*B+g*N,r[14]=p*_+m*C+y*O+g*V,r[3]=f*w+x*A+b*I+v*P,r[7]=f*M+x*T+b*k+v*R,r[11]=f*S+x*z+b*B+v*N,r[15]=f*_+x*C+b*O+v*V,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this}determinant(){const t=this.elements,e=t[0],i=t[4],s=t[8],r=t[12],n=t[1],a=t[5],o=t[9],h=t[13],l=t[2],c=t[6],u=t[10],d=t[14],p=t[3],m=t[7],y=t[11],g=t[15],f=o*d-h*u,x=a*d-h*c,b=a*u-o*c,v=n*d-h*l,w=n*u-o*l,M=n*c-a*l;return e*(m*f-y*x+g*b)-i*(p*f-y*v+g*w)+s*(p*x-m*v+g*M)-r*(p*b-m*w+y*M)}transpose(){const t=this.elements;let e;return e=t[1],t[1]=t[4],t[4]=e,e=t[2],t[2]=t[8],t[8]=e,e=t[6],t[6]=t[9],t[9]=e,e=t[3],t[3]=t[12],t[12]=e,e=t[7],t[7]=t[13],t[13]=e,e=t[11],t[11]=t[14],t[14]=e,this}setPosition(t,e,i){const s=this.elements;return t.isVector3?(s[12]=t.x,s[13]=t.y,s[14]=t.z):(s[12]=t,s[13]=e,s[14]=i),this}invert(){const t=this.elements,e=t[0],i=t[1],s=t[2],r=t[3],n=t[4],a=t[5],o=t[6],h=t[7],l=t[8],c=t[9],u=t[10],d=t[11],p=t[12],m=t[13],y=t[14],g=t[15],f=e*a-i*n,x=e*o-s*n,b=e*h-r*n,v=i*o-s*a,w=i*h-r*a,M=s*h-r*o,S=l*m-c*p,_=l*y-u*p,A=l*g-d*p,T=c*y-u*m,z=c*g-d*m,C=u*g-d*y,I=f*C-x*z+b*T+v*A-w*_+M*S;if(0===I)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const k=1/I;return t[0]=(a*C-o*z+h*T)*k,t[1]=(s*z-i*C-r*T)*k,t[2]=(m*M-y*w+g*v)*k,t[3]=(u*w-c*M-d*v)*k,t[4]=(o*A-n*C-h*_)*k,t[5]=(e*C-s*A+r*_)*k,t[6]=(y*b-p*M-g*x)*k,t[7]=(l*M-u*b+d*x)*k,t[8]=(n*z-a*A+h*S)*k,t[9]=(i*A-e*z-r*S)*k,t[10]=(p*w-m*b+g*f)*k,t[11]=(c*b-l*w-d*f)*k,t[12]=(a*_-n*T-o*S)*k,t[13]=(e*T-i*_+s*S)*k,t[14]=(m*x-p*v-y*f)*k,t[15]=(l*v-c*x+u*f)*k,this}scale(t){const e=this.elements,i=t.x,s=t.y,r=t.z;return e[0]*=i,e[4]*=s,e[8]*=r,e[1]*=i,e[5]*=s,e[9]*=r,e[2]*=i,e[6]*=s,e[10]*=r,e[3]*=i,e[7]*=s,e[11]*=r,this}getMaxScaleOnAxis(){const t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],i=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],s=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,i,s))}makeTranslation(t,e,i){return t.isVector3?this.set(1,0,0,t.x,0,1,0,t.y,0,0,1,t.z,0,0,0,1):this.set(1,0,0,t,0,1,0,e,0,0,1,i,0,0,0,1),this}makeRotationX(t){const e=Math.cos(t),i=Math.sin(t);return this.set(1,0,0,0,0,e,-i,0,0,i,e,0,0,0,0,1),this}makeRotationY(t){const e=Math.cos(t),i=Math.sin(t);return this.set(e,0,i,0,0,1,0,0,-i,0,e,0,0,0,0,1),this}makeRotationZ(t){const e=Math.cos(t),i=Math.sin(t);return this.set(e,-i,0,0,i,e,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(t,e){const i=Math.cos(e),s=Math.sin(e),r=1-i,n=t.x,a=t.y,o=t.z,h=r*n,l=r*a;return this.set(h*n+i,h*a-s*o,h*o+s*a,0,h*a+s*o,l*a+i,l*o-s*n,0,h*o-s*a,l*o+s*n,r*o*o+i,0,0,0,0,1),this}makeScale(t,e,i){return this.set(t,0,0,0,0,e,0,0,0,0,i,0,0,0,0,1),this}makeShear(t,e,i,s,r,n){return this.set(1,i,r,0,t,1,n,0,e,s,1,0,0,0,0,1),this}compose(t,e,i){const s=this.elements,r=e._x,n=e._y,a=e._z,o=e._w,h=r+r,l=n+n,c=a+a,u=r*h,d=r*l,p=r*c,m=n*l,y=n*c,g=a*c,f=o*h,x=o*l,b=o*c,v=i.x,w=i.y,M=i.z;return s[0]=(1-(m+g))*v,s[1]=(d+b)*v,s[2]=(p-x)*v,s[3]=0,s[4]=(d-b)*w,s[5]=(1-(u+g))*w,s[6]=(y+f)*w,s[7]=0,s[8]=(p+x)*M,s[9]=(y-f)*M,s[10]=(1-(u+m))*M,s[11]=0,s[12]=t.x,s[13]=t.y,s[14]=t.z,s[15]=1,this}decompose(t,e,i){const s=this.elements;t.x=s[12],t.y=s[13],t.z=s[14];const r=this.determinant();if(0===r)return i.set(1,1,1),e.identity(),this;let n=$s.set(s[0],s[1],s[2]).length();const a=$s.set(s[4],s[5],s[6]).length(),o=$s.set(s[8],s[9],s[10]).length();r<0&&(n=-n),Qs.copy(this);const h=1/n,l=1/a,c=1/o;return Qs.elements[0]*=h,Qs.elements[1]*=h,Qs.elements[2]*=h,Qs.elements[4]*=l,Qs.elements[5]*=l,Qs.elements[6]*=l,Qs.elements[8]*=c,Qs.elements[9]*=c,Qs.elements[10]*=c,e.setFromRotationMatrix(Qs),i.x=n,i.y=a,i.z=o,this}makePerspective(t,e,i,s,r,n,a=2e3,o=!1){const h=this.elements,l=2*r/(e-t),c=2*r/(i-s),u=(e+t)/(e-t),d=(i+s)/(i-s);let p,m;if(o)p=r/(n-r),m=n*r/(n-r);else if(a===Ui)p=-(n+r)/(n-r),m=-2*n*r/(n-r);else{if(a!==Ji)throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+a);p=-n/(n-r),m=-n*r/(n-r)}return h[0]=l,h[4]=0,h[8]=u,h[12]=0,h[1]=0,h[5]=c,h[9]=d,h[13]=0,h[2]=0,h[6]=0,h[10]=p,h[14]=m,h[3]=0,h[7]=0,h[11]=-1,h[15]=0,this}makeOrthographic(t,e,i,s,r,n,a=2e3,o=!1){const h=this.elements,l=2/(e-t),c=2/(i-s),u=-(e+t)/(e-t),d=-(i+s)/(i-s);let p,m;if(o)p=1/(n-r),m=n/(n-r);else if(a===Ui)p=-2/(n-r),m=-(n+r)/(n-r);else{if(a!==Ji)throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+a);p=-1/(n-r),m=-r/(n-r)}return h[0]=l,h[4]=0,h[8]=0,h[12]=u,h[1]=0,h[5]=c,h[9]=0,h[13]=d,h[2]=0,h[6]=0,h[10]=p,h[14]=m,h[3]=0,h[7]=0,h[11]=0,h[15]=1,this}equals(t){const e=this.elements,i=t.elements;for(let t=0;t<16;t++)if(e[t]!==i[t])return!1;return!0}fromArray(t,e=0){for(let i=0;i<16;i++)this.elements[i]=t[i+e];return this}toArray(t=[],e=0){const i=this.elements;return t[e]=i[0],t[e+1]=i[1],t[e+2]=i[2],t[e+3]=i[3],t[e+4]=i[4],t[e+5]=i[5],t[e+6]=i[6],t[e+7]=i[7],t[e+8]=i[8],t[e+9]=i[9],t[e+10]=i[10],t[e+11]=i[11],t[e+12]=i[12],t[e+13]=i[13],t[e+14]=i[14],t[e+15]=i[15],t}}const $s=new _s,Qs=new Gs,Ks=new _s(0,0,0),tr=new _s(1,1,1),er=new _s,ir=new _s,sr=new _s,rr=new Gs,nr=new Ss;class ar{constructor(t=0,e=0,i=0,s=ar.DEFAULT_ORDER){this.isEuler=!0,this._x=t,this._y=e,this._z=i,this._order=s}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get order(){return this._order}set order(t){this._order=t,this._onChangeCallback()}set(t,e,i,s=this._order){return this._x=t,this._y=e,this._z=i,this._order=s,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this}setFromRotationMatrix(t,e=this._order,i=!0){const s=t.elements,r=s[0],n=s[4],a=s[8],o=s[1],h=s[5],l=s[9],c=s[2],u=s[6],d=s[10];switch(e){case"XYZ":this._y=Math.asin(gs(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(-l,d),this._z=Math.atan2(-n,r)):(this._x=Math.atan2(u,h),this._z=0);break;case"YXZ":this._x=Math.asin(-gs(l,-1,1)),Math.abs(l)<.9999999?(this._y=Math.atan2(a,d),this._z=Math.atan2(o,h)):(this._y=Math.atan2(-c,r),this._z=0);break;case"ZXY":this._x=Math.asin(gs(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(-c,d),this._z=Math.atan2(-n,h)):(this._y=0,this._z=Math.atan2(o,r));break;case"ZYX":this._y=Math.asin(-gs(c,-1,1)),Math.abs(c)<.9999999?(this._x=Math.atan2(u,d),this._z=Math.atan2(o,r)):(this._x=0,this._z=Math.atan2(-n,h));break;case"YZX":this._z=Math.asin(gs(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-l,h),this._y=Math.atan2(-c,r)):(this._x=0,this._y=Math.atan2(a,d));break;case"XZY":this._z=Math.asin(-gs(n,-1,1)),Math.abs(n)<.9999999?(this._x=Math.atan2(u,h),this._y=Math.atan2(a,r)):(this._x=Math.atan2(-l,d),this._y=0);break;default:as("Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,!0===i&&this._onChangeCallback(),this}setFromQuaternion(t,e,i){return rr.makeRotationFromQuaternion(t),this.setFromRotationMatrix(rr,e,i)}setFromVector3(t,e=this._order){return this.set(t.x,t.y,t.z,e)}reorder(t){return nr.setFromEuler(this),this.setFromQuaternion(nr,t)}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order}fromArray(t){return this._x=t[0],this._y=t[1],this._z=t[2],void 0!==t[3]&&(this._order=t[3]),this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}}ar.DEFAULT_ORDER="XYZ";class or{constructor(){this.mask=1}set(t){this.mask=1<<t>>>0}enable(t){this.mask|=1<<t}enableAll(){this.mask=-1}toggle(t){this.mask^=1<<t}disable(t){this.mask&=~(1<<t)}disableAll(){this.mask=0}test(t){return 0!==(this.mask&t.mask)}isEnabled(t){return!!(this.mask&1<<t)}}let hr=0;const lr=new _s,cr=new Ss,ur=new Gs,dr=new _s,pr=new _s,mr=new _s,yr=new Ss,gr=new _s(1,0,0),fr=new _s(0,1,0),xr=new _s(0,0,1),br={type:"added"},vr={type:"removed"},wr={type:"childadded",child:null},Mr={type:"childremoved",child:null};class Sr extends cs{constructor(){super(),this.isObject3D=!0,Object.defineProperty(this,"id",{value:hr++}),this.uuid=ys(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=Sr.DEFAULT_UP.clone();const t=new _s,e=new ar,i=new Ss,s=new _s(1,1,1);e._onChange(function(){i.setFromEuler(e,!1)}),i._onChange(function(){e.setFromQuaternion(i,void 0,!1)}),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:t},rotation:{configurable:!0,enumerable:!0,value:e},quaternion:{configurable:!0,enumerable:!0,value:i},scale:{configurable:!0,enumerable:!0,value:s},modelViewMatrix:{value:new Gs},normalMatrix:{value:new zs}}),this.matrix=new Gs,this.matrixWorld=new Gs,this.matrixAutoUpdate=Sr.DEFAULT_MATRIX_AUTO_UPDATE,this.matrixWorldAutoUpdate=Sr.DEFAULT_MATRIX_WORLD_AUTO_UPDATE,this.matrixWorldNeedsUpdate=!1,this.layers=new or,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.customDepthMaterial=void 0,this.customDistanceMaterial=void 0,this.static=!1,this.userData={},this.pivot=null}onBeforeShadow(){}onAfterShadow(){}onBeforeRender(){}onAfterRender(){}applyMatrix4(t){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(t),this.matrix.decompose(this.position,this.quaternion,this.scale)}applyQuaternion(t){return this.quaternion.premultiply(t),this}setRotationFromAxisAngle(t,e){this.quaternion.setFromAxisAngle(t,e)}setRotationFromEuler(t){this.quaternion.setFromEuler(t,!0)}setRotationFromMatrix(t){this.quaternion.setFromRotationMatrix(t)}setRotationFromQuaternion(t){this.quaternion.copy(t)}rotateOnAxis(t,e){return cr.setFromAxisAngle(t,e),this.quaternion.multiply(cr),this}rotateOnWorldAxis(t,e){return cr.setFromAxisAngle(t,e),this.quaternion.premultiply(cr),this}rotateX(t){return this.rotateOnAxis(gr,t)}rotateY(t){return this.rotateOnAxis(fr,t)}rotateZ(t){return this.rotateOnAxis(xr,t)}translateOnAxis(t,e){return lr.copy(t).applyQuaternion(this.quaternion),this.position.add(lr.multiplyScalar(e)),this}translateX(t){return this.translateOnAxis(gr,t)}translateY(t){return this.translateOnAxis(fr,t)}translateZ(t){return this.translateOnAxis(xr,t)}localToWorld(t){return this.updateWorldMatrix(!0,!1),t.applyMatrix4(this.matrixWorld)}worldToLocal(t){return this.updateWorldMatrix(!0,!1),t.applyMatrix4(ur.copy(this.matrixWorld).invert())}lookAt(t,e,i){t.isVector3?dr.copy(t):dr.set(t,e,i);const s=this.parent;this.updateWorldMatrix(!0,!1),pr.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?ur.lookAt(pr,dr,this.up):ur.lookAt(dr,pr,this.up),this.quaternion.setFromRotationMatrix(ur),s&&(ur.extractRotation(s.matrixWorld),cr.setFromRotationMatrix(ur),this.quaternion.premultiply(cr.invert()))}add(t){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.add(arguments[t]);return this}return t===this?(os("Object3D.add: object can't be added as a child of itself.",t),this):(t&&t.isObject3D?(t.removeFromParent(),t.parent=this,this.children.push(t),t.dispatchEvent(br),wr.child=t,this.dispatchEvent(wr),wr.child=null):os("Object3D.add: object not an instance of THREE.Object3D.",t),this)}remove(t){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.remove(arguments[t]);return this}const e=this.children.indexOf(t);return-1!==e&&(t.parent=null,this.children.splice(e,1),t.dispatchEvent(vr),Mr.child=t,this.dispatchEvent(Mr),Mr.child=null),this}removeFromParent(){const t=this.parent;return null!==t&&t.remove(this),this}clear(){return this.remove(...this.children)}attach(t){return this.updateWorldMatrix(!0,!1),ur.copy(this.matrixWorld).invert(),null!==t.parent&&(t.parent.updateWorldMatrix(!0,!1),ur.multiply(t.parent.matrixWorld)),t.applyMatrix4(ur),t.removeFromParent(),t.parent=this,this.children.push(t),t.updateWorldMatrix(!1,!0),t.dispatchEvent(br),wr.child=t,this.dispatchEvent(wr),wr.child=null,this}getObjectById(t){return this.getObjectByProperty("id",t)}getObjectByName(t){return this.getObjectByProperty("name",t)}getObjectByProperty(t,e){if(this[t]===e)return this;for(let i=0,s=this.children.length;i<s;i++){const s=this.children[i].getObjectByProperty(t,e);if(void 0!==s)return s}}getObjectsByProperty(t,e,i=[]){this[t]===e&&i.push(this);const s=this.children;for(let r=0,n=s.length;r<n;r++)s[r].getObjectsByProperty(t,e,i);return i}getWorldPosition(t){return this.updateWorldMatrix(!0,!1),t.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(pr,t,mr),t}getWorldScale(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(pr,yr,t),t}getWorldDirection(t){this.updateWorldMatrix(!0,!1);const e=this.matrixWorld.elements;return t.set(e[8],e[9],e[10]).normalize()}raycast(){}traverse(t){t(this);const e=this.children;for(let i=0,s=e.length;i<s;i++)e[i].traverse(t)}traverseVisible(t){if(!1===this.visible)return;t(this);const e=this.children;for(let i=0,s=e.length;i<s;i++)e[i].traverseVisible(t)}traverseAncestors(t){const e=this.parent;null!==e&&(t(e),e.traverseAncestors(t))}updateMatrix(){this.matrix.compose(this.position,this.quaternion,this.scale);const t=this.pivot;if(null!==t){const e=t.x,i=t.y,s=t.z,r=this.matrix.elements;r[12]+=e-r[0]*e-r[4]*i-r[8]*s,r[13]+=i-r[1]*e-r[5]*i-r[9]*s,r[14]+=s-r[2]*e-r[6]*i-r[10]*s}this.matrixWorldNeedsUpdate=!0}updateMatrixWorld(t){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||t)&&(!0===this.matrixWorldAutoUpdate&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix)),this.matrixWorldNeedsUpdate=!1,t=!0);const e=this.children;for(let i=0,s=e.length;i<s;i++){e[i].updateMatrixWorld(t)}}updateWorldMatrix(t,e){const i=this.parent;if(!0===t&&null!==i&&i.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),!0===this.matrixWorldAutoUpdate&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix)),!0===e){const t=this.children;for(let e=0,i=t.length;e<i;e++){t[e].updateWorldMatrix(!1,!0)}}}toJSON(t){const e=void 0===t||"string"==typeof t,i={};e&&(t={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{},nodes:{}},i.metadata={version:4.7,type:"Object",generator:"Object3D.toJSON"});const s={};function r(e,i){return void 0===e[i.uuid]&&(e[i.uuid]=i.toJSON(t)),i.uuid}if(s.uuid=this.uuid,s.type=this.type,""!==this.name&&(s.name=this.name),!0===this.castShadow&&(s.castShadow=!0),!0===this.receiveShadow&&(s.receiveShadow=!0),!1===this.visible&&(s.visible=!1),!1===this.frustumCulled&&(s.frustumCulled=!1),0!==this.renderOrder&&(s.renderOrder=this.renderOrder),!1!==this.static&&(s.static=this.static),Object.keys(this.userData).length>0&&(s.userData=this.userData),s.layers=this.layers.mask,s.matrix=this.matrix.toArray(),s.up=this.up.toArray(),null!==this.pivot&&(s.pivot=this.pivot.toArray()),!1===this.matrixAutoUpdate&&(s.matrixAutoUpdate=!1),void 0!==this.morphTargetDictionary&&(s.morphTargetDictionary=Object.assign({},this.morphTargetDictionary)),void 0!==this.morphTargetInfluences&&(s.morphTargetInfluences=this.morphTargetInfluences.slice()),this.isInstancedMesh&&(s.type="InstancedMesh",s.count=this.count,s.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(s.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(s.type="BatchedMesh",s.perObjectFrustumCulled=this.perObjectFrustumCulled,s.sortObjects=this.sortObjects,s.drawRanges=this._drawRanges,s.reservedRanges=this._reservedRanges,s.geometryInfo=this._geometryInfo.map(t=>({...t,boundingBox:t.boundingBox?t.boundingBox.toJSON():void 0,boundingSphere:t.boundingSphere?t.boundingSphere.toJSON():void 0})),s.instanceInfo=this._instanceInfo.map(t=>({...t})),s.availableInstanceIds=this._availableInstanceIds.slice(),s.availableGeometryIds=this._availableGeometryIds.slice(),s.nextIndexStart=this._nextIndexStart,s.nextVertexStart=this._nextVertexStart,s.geometryCount=this._geometryCount,s.maxInstanceCount=this._maxInstanceCount,s.maxVertexCount=this._maxVertexCount,s.maxIndexCount=this._maxIndexCount,s.geometryInitialized=this._geometryInitialized,s.matricesTexture=this._matricesTexture.toJSON(t),s.indirectTexture=this._indirectTexture.toJSON(t),null!==this._colorsTexture&&(s.colorsTexture=this._colorsTexture.toJSON(t)),null!==this.boundingSphere&&(s.boundingSphere=this.boundingSphere.toJSON()),null!==this.boundingBox&&(s.boundingBox=this.boundingBox.toJSON())),this.isScene)this.background&&(this.background.isColor?s.background=this.background.toJSON():this.background.isTexture&&(s.background=this.background.toJSON(t).uuid)),this.environment&&this.environment.isTexture&&!0!==this.environment.isRenderTargetTexture&&(s.environment=this.environment.toJSON(t).uuid);else if(this.isMesh||this.isLine||this.isPoints){s.geometry=r(t.geometries,this.geometry);const e=this.geometry.parameters;if(void 0!==e&&void 0!==e.shapes){const i=e.shapes;if(Array.isArray(i))for(let e=0,s=i.length;e<s;e++){const s=i[e];r(t.shapes,s)}else r(t.shapes,i)}}if(this.isSkinnedMesh&&(s.bindMode=this.bindMode,s.bindMatrix=this.bindMatrix.toArray(),void 0!==this.skeleton&&(r(t.skeletons,this.skeleton),s.skeleton=this.skeleton.uuid)),void 0!==this.material)if(Array.isArray(this.material)){const e=[];for(let i=0,s=this.material.length;i<s;i++)e.push(r(t.materials,this.material[i]));s.material=e}else s.material=r(t.materials,this.material);if(this.children.length>0){s.children=[];for(let e=0;e<this.children.length;e++)s.children.push(this.children[e].toJSON(t).object)}if(this.animations.length>0){s.animations=[];for(let e=0;e<this.animations.length;e++){const i=this.animations[e];s.animations.push(r(t.animations,i))}}if(e){const e=n(t.geometries),s=n(t.materials),r=n(t.textures),a=n(t.images),o=n(t.shapes),h=n(t.skeletons),l=n(t.animations),c=n(t.nodes);e.length>0&&(i.geometries=e),s.length>0&&(i.materials=s),r.length>0&&(i.textures=r),a.length>0&&(i.images=a),o.length>0&&(i.shapes=o),h.length>0&&(i.skeletons=h),l.length>0&&(i.animations=l),c.length>0&&(i.nodes=c)}return i.object=s,i;function n(t){const e=[];for(const i in t){const s=t[i];delete s.metadata,e.push(s)}return e}}clone(t){return(new this.constructor).copy(this,t)}copy(t,e=!0){if(this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),null!==t.pivot&&(this.pivot=t.pivot.clone()),this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldAutoUpdate=t.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.static=t.static,this.animations=t.animations.slice(),this.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(let e=0;e<t.children.length;e++){const i=t.children[e];this.add(i.clone())}return this}}Sr.DEFAULT_UP=new _s(0,1,0),Sr.DEFAULT_MATRIX_AUTO_UPDATE=!0,Sr.DEFAULT_MATRIX_WORLD_AUTO_UPDATE=!0;class _r extends Sr{constructor(){super(),this.isGroup=!0,this.type="Group"}}const Ar={type:"move"};class Tr{constructor(){this._targetRay=null,this._grip=null,this._hand=null}getHandSpace(){return null===this._hand&&(this._hand=new _r,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand}getTargetRaySpace(){return null===this._targetRay&&(this._targetRay=new _r,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new _s,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new _s),this._targetRay}getGripSpace(){return null===this._grip&&(this._grip=new _r,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new _s,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new _s),this._grip}dispatchEvent(t){return null!==this._targetRay&&this._targetRay.dispatchEvent(t),null!==this._grip&&this._grip.dispatchEvent(t),null!==this._hand&&this._hand.dispatchEvent(t),this}connect(t){if(t&&t.hand){const e=this._hand;if(e)for(const i of t.hand.values())this._getHandJoint(e,i)}return this.dispatchEvent({type:"connected",data:t}),this}disconnect(t){return this.dispatchEvent({type:"disconnected",data:t}),null!==this._targetRay&&(this._targetRay.visible=!1),null!==this._grip&&(this._grip.visible=!1),null!==this._hand&&(this._hand.visible=!1),this}update(t,e,i){let s=null,r=null,n=null;const a=this._targetRay,o=this._grip,h=this._hand;if(t&&"visible-blurred"!==e.session.visibilityState){if(h&&t.hand){n=!0;for(const s of t.hand.values()){const t=e.getJointPose(s,i),r=this._getHandJoint(h,s);null!==t&&(r.matrix.fromArray(t.transform.matrix),r.matrix.decompose(r.position,r.rotation,r.scale),r.matrixWorldNeedsUpdate=!0,r.jointRadius=t.radius),r.visible=null!==t}const s=h.joints["index-finger-tip"],r=h.joints["thumb-tip"],a=s.position.distanceTo(r.position),o=.02,l=.005;h.inputState.pinching&&a>o+l?(h.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:t.handedness,target:this})):!h.inputState.pinching&&a<=o-l&&(h.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:t.handedness,target:this}))}else null!==o&&t.gripSpace&&(r=e.getPose(t.gripSpace,i),null!==r&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),o.matrixWorldNeedsUpdate=!0,r.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(r.linearVelocity)):o.hasLinearVelocity=!1,r.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(r.angularVelocity)):o.hasAngularVelocity=!1));null!==a&&(s=e.getPose(t.targetRaySpace,i),null===s&&null!==r&&(s=r),null!==s&&(a.matrix.fromArray(s.transform.matrix),a.matrix.decompose(a.position,a.rotation,a.scale),a.matrixWorldNeedsUpdate=!0,s.linearVelocity?(a.hasLinearVelocity=!0,a.linearVelocity.copy(s.linearVelocity)):a.hasLinearVelocity=!1,s.angularVelocity?(a.hasAngularVelocity=!0,a.angularVelocity.copy(s.angularVelocity)):a.hasAngularVelocity=!1,this.dispatchEvent(Ar)))}return null!==a&&(a.visible=null!==s),null!==o&&(o.visible=null!==r),null!==h&&(h.visible=null!==n),this}_getHandJoint(t,e){if(void 0===t.joints[e.jointName]){const i=new _r;i.matrixAutoUpdate=!1,i.visible=!1,t.joints[e.jointName]=i,t.add(i)}return t.joints[e.jointName]}}const zr={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},Cr={h:0,s:0,l:0},Ir={h:0,s:0,l:0};function kr(t,e,i){return i<0&&(i+=1),i>1&&(i-=1),i<1/6?t+6*(e-t)*i:i<.5?e:i<2/3?t+6*(e-t)*(2/3-i):t}class Br{constructor(t,e,i){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(t,e,i)}set(t,e,i){if(void 0===e&&void 0===i){const e=t;e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e)}else this.setRGB(t,e,i);return this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t,e=ei){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,Os.colorSpaceToWorking(this,e),this}setRGB(t,e,i,s=Os.workingColorSpace){return this.r=t,this.g=e,this.b=i,Os.colorSpaceToWorking(this,s),this}setHSL(t,e,i,s=Os.workingColorSpace){if(t=fs(t,1),e=gs(e,0,1),i=gs(i,0,1),0===e)this.r=this.g=this.b=i;else{const s=i<=.5?i*(1+e):i+e-i*e,r=2*i-s;this.r=kr(r,s,t+1/3),this.g=kr(r,s,t),this.b=kr(r,s,t-1/3)}return Os.colorSpaceToWorking(this,s),this}setStyle(t,e=ei){function i(e){void 0!==e&&parseFloat(e)<1&&as("Color: Alpha component of "+t+" will be ignored.")}let s;if(s=/^(\w+)\(([^\)]*)\)/.exec(t)){let r;const n=s[1],a=s[2];switch(n){case"rgb":case"rgba":if(r=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return i(r[4]),this.setRGB(Math.min(255,parseInt(r[1],10))/255,Math.min(255,parseInt(r[2],10))/255,Math.min(255,parseInt(r[3],10))/255,e);if(r=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return i(r[4]),this.setRGB(Math.min(100,parseInt(r[1],10))/100,Math.min(100,parseInt(r[2],10))/100,Math.min(100,parseInt(r[3],10))/100,e);break;case"hsl":case"hsla":if(r=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return i(r[4]),this.setHSL(parseFloat(r[1])/360,parseFloat(r[2])/100,parseFloat(r[3])/100,e);break;default:as("Color: Unknown color model "+t)}}else if(s=/^\#([A-Fa-f\d]+)$/.exec(t)){const i=s[1],r=i.length;if(3===r)return this.setRGB(parseInt(i.charAt(0),16)/15,parseInt(i.charAt(1),16)/15,parseInt(i.charAt(2),16)/15,e);if(6===r)return this.setHex(parseInt(i,16),e);as("Color: Invalid hex color "+t)}else if(t&&t.length>0)return this.setColorName(t,e);return this}setColorName(t,e=ei){const i=zr[t.toLowerCase()];return void 0!==i?this.setHex(i,e):as("Color: Unknown color "+t),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(t){return this.r=t.r,this.g=t.g,this.b=t.b,this}copySRGBToLinear(t){return this.r=Ps(t.r),this.g=Ps(t.g),this.b=Ps(t.b),this}copyLinearToSRGB(t){return this.r=Rs(t.r),this.g=Rs(t.g),this.b=Rs(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t=ei){return Os.workingToColorSpace(Or.copy(this),t),65536*Math.round(gs(255*Or.r,0,255))+256*Math.round(gs(255*Or.g,0,255))+Math.round(gs(255*Or.b,0,255))}getHexString(t=ei){return("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e=Os.workingColorSpace){Os.workingToColorSpace(Or.copy(this),e);const i=Or.r,s=Or.g,r=Or.b,n=Math.max(i,s,r),a=Math.min(i,s,r);let o,h;const l=(a+n)/2;if(a===n)o=0,h=0;else{const t=n-a;switch(h=l<=.5?t/(n+a):t/(2-n-a),n){case i:o=(s-r)/t+(s<r?6:0);break;case s:o=(r-i)/t+2;break;case r:o=(i-s)/t+4}o/=6}return t.h=o,t.s=h,t.l=l,t}getRGB(t,e=Os.workingColorSpace){return Os.workingToColorSpace(Or.copy(this),e),t.r=Or.r,t.g=Or.g,t.b=Or.b,t}getStyle(t=ei){Os.workingToColorSpace(Or.copy(this),t);const e=Or.r,i=Or.g,s=Or.b;return t!==ei?`color(${t} ${e.toFixed(3)} ${i.toFixed(3)} ${s.toFixed(3)})`:`rgb(${Math.round(255*e)},${Math.round(255*i)},${Math.round(255*s)})`}offsetHSL(t,e,i){return this.getHSL(Cr),this.setHSL(Cr.h+t,Cr.s+e,Cr.l+i)}add(t){return this.r+=t.r,this.g+=t.g,this.b+=t.b,this}addColors(t,e){return this.r=t.r+e.r,this.g=t.g+e.g,this.b=t.b+e.b,this}addScalar(t){return this.r+=t,this.g+=t,this.b+=t,this}sub(t){return this.r=Math.max(0,this.r-t.r),this.g=Math.max(0,this.g-t.g),this.b=Math.max(0,this.b-t.b),this}multiply(t){return this.r*=t.r,this.g*=t.g,this.b*=t.b,this}multiplyScalar(t){return this.r*=t,this.g*=t,this.b*=t,this}lerp(t,e){return this.r+=(t.r-this.r)*e,this.g+=(t.g-this.g)*e,this.b+=(t.b-this.b)*e,this}lerpColors(t,e,i){return this.r=t.r+(e.r-t.r)*i,this.g=t.g+(e.g-t.g)*i,this.b=t.b+(e.b-t.b)*i,this}lerpHSL(t,e){this.getHSL(Cr),t.getHSL(Ir);const i=xs(Cr.h,Ir.h,e),s=xs(Cr.s,Ir.s,e),r=xs(Cr.l,Ir.l,e);return this.setHSL(i,s,r),this}setFromVector3(t){return this.r=t.x,this.g=t.y,this.b=t.z,this}applyMatrix3(t){const e=this.r,i=this.g,s=this.b,r=t.elements;return this.r=r[0]*e+r[3]*i+r[6]*s,this.g=r[1]*e+r[4]*i+r[7]*s,this.b=r[2]*e+r[5]*i+r[8]*s,this}equals(t){return t.r===this.r&&t.g===this.g&&t.b===this.b}fromArray(t,e=0){return this.r=t[e],this.g=t[e+1],this.b=t[e+2],this}toArray(t=[],e=0){return t[e]=this.r,t[e+1]=this.g,t[e+2]=this.b,t}fromBufferAttribute(t,e){return this.r=t.getX(e),this.g=t.getY(e),this.b=t.getZ(e),this}toJSON(){return this.getHex()}*[Symbol.iterator](){yield this.r,yield this.g,yield this.b}}const Or=new Br;Br.NAMES=zr;class Pr{constructor(t,e=25e-5){this.isFogExp2=!0,this.name="",this.color=new Br(t),this.density=e}clone(){return new Pr(this.color,this.density)}toJSON(){return{type:"FogExp2",name:this.name,color:this.color.getHex(),density:this.density}}}class Rr{constructor(t,e=1,i=1e3){this.isFog=!0,this.name="",this.color=new Br(t),this.near=e,this.far=i}clone(){return new Rr(this.color,this.near,this.far)}toJSON(){return{type:"Fog",name:this.name,color:this.color.getHex(),near:this.near,far:this.far}}}class Nr extends Sr{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,this.backgroundRotation=new ar,this.environmentIntensity=1,this.environmentRotation=new ar,this.overrideMaterial=null,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(t,e){return super.copy(t,e),null!==t.background&&(this.background=t.background.clone()),null!==t.environment&&(this.environment=t.environment.clone()),null!==t.fog&&(this.fog=t.fog.clone()),this.backgroundBlurriness=t.backgroundBlurriness,this.backgroundIntensity=t.backgroundIntensity,this.backgroundRotation.copy(t.backgroundRotation),this.environmentIntensity=t.environmentIntensity,this.environmentRotation.copy(t.environmentRotation),null!==t.overrideMaterial&&(this.overrideMaterial=t.overrideMaterial.clone()),this.matrixAutoUpdate=t.matrixAutoUpdate,this}toJSON(t){const e=super.toJSON(t);return null!==this.fog&&(e.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(e.object.backgroundBlurriness=this.backgroundBlurriness),1!==this.backgroundIntensity&&(e.object.backgroundIntensity=this.backgroundIntensity),e.object.backgroundRotation=this.backgroundRotation.toArray(),1!==this.environmentIntensity&&(e.object.environmentIntensity=this.environmentIntensity),e.object.environmentRotation=this.environmentRotation.toArray(),e}}const Vr=new _s,Er=new _s,Fr=new _s,Lr=new _s,jr=new _s,Dr=new _s,Wr=new _s,Ur=new _s,Jr=new _s,qr=new _s,Xr=new Us,Yr=new Us,Hr=new Us;class Zr{constructor(t=new _s,e=new _s,i=new _s){this.a=t,this.b=e,this.c=i}static getNormal(t,e,i,s){s.subVectors(i,e),Vr.subVectors(t,e),s.cross(Vr);const r=s.lengthSq();return r>0?s.multiplyScalar(1/Math.sqrt(r)):s.set(0,0,0)}static getBarycoord(t,e,i,s,r){Vr.subVectors(s,e),Er.subVectors(i,e),Fr.subVectors(t,e);const n=Vr.dot(Vr),a=Vr.dot(Er),o=Vr.dot(Fr),h=Er.dot(Er),l=Er.dot(Fr),c=n*h-a*a;if(0===c)return r.set(0,0,0),null;const u=1/c,d=(h*o-a*l)*u,p=(n*l-a*o)*u;return r.set(1-d-p,p,d)}static containsPoint(t,e,i,s){return null!==this.getBarycoord(t,e,i,s,Lr)&&(Lr.x>=0&&Lr.y>=0&&Lr.x+Lr.y<=1)}static getInterpolation(t,e,i,s,r,n,a,o){return null===this.getBarycoord(t,e,i,s,Lr)?(o.x=0,o.y=0,"z"in o&&(o.z=0),"w"in o&&(o.w=0),null):(o.setScalar(0),o.addScaledVector(r,Lr.x),o.addScaledVector(n,Lr.y),o.addScaledVector(a,Lr.z),o)}static getInterpolatedAttribute(t,e,i,s,r,n){return Xr.setScalar(0),Yr.setScalar(0),Hr.setScalar(0),Xr.fromBufferAttribute(t,e),Yr.fromBufferAttribute(t,i),Hr.fromBufferAttribute(t,s),n.setScalar(0),n.addScaledVector(Xr,r.x),n.addScaledVector(Yr,r.y),n.addScaledVector(Hr,r.z),n}static isFrontFacing(t,e,i,s){return Vr.subVectors(i,e),Er.subVectors(t,e),Vr.cross(Er).dot(s)<0}set(t,e,i){return this.a.copy(t),this.b.copy(e),this.c.copy(i),this}setFromPointsAndIndices(t,e,i,s){return this.a.copy(t[e]),this.b.copy(t[i]),this.c.copy(t[s]),this}setFromAttributeAndIndices(t,e,i,s){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,i),this.c.fromBufferAttribute(t,s),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this}getArea(){return Vr.subVectors(this.c,this.b),Er.subVectors(this.a,this.b),.5*Vr.cross(Er).length()}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return Zr.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return Zr.getBarycoord(t,this.a,this.b,this.c,e)}getInterpolation(t,e,i,s,r){return Zr.getInterpolation(t,this.a,this.b,this.c,e,i,s,r)}containsPoint(t){return Zr.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return Zr.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){const i=this.a,s=this.b,r=this.c;let n,a;jr.subVectors(s,i),Dr.subVectors(r,i),Ur.subVectors(t,i);const o=jr.dot(Ur),h=Dr.dot(Ur);if(o<=0&&h<=0)return e.copy(i);Jr.subVectors(t,s);const l=jr.dot(Jr),c=Dr.dot(Jr);if(l>=0&&c<=l)return e.copy(s);const u=o*c-l*h;if(u<=0&&o>=0&&l<=0)return n=o/(o-l),e.copy(i).addScaledVector(jr,n);qr.subVectors(t,r);const d=jr.dot(qr),p=Dr.dot(qr);if(p>=0&&d<=p)return e.copy(r);const m=d*h-o*p;if(m<=0&&h>=0&&p<=0)return a=h/(h-p),e.copy(i).addScaledVector(Dr,a);const y=l*p-d*c;if(y<=0&&c-l>=0&&d-p>=0)return Wr.subVectors(r,s),a=(c-l)/(c-l+(d-p)),e.copy(s).addScaledVector(Wr,a);const g=1/(y+m+u);return n=m*g,a=u*g,e.copy(i).addScaledVector(jr,n).addScaledVector(Dr,a)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}class Gr{constructor(t=new _s(1/0,1/0,1/0),e=new _s(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(t){this.makeEmpty();for(let e=0,i=t.length;e<i;e+=3)this.expandByPoint(Qr.fromArray(t,e));return this}setFromBufferAttribute(t){this.makeEmpty();for(let e=0,i=t.count;e<i;e++)this.expandByPoint(Qr.fromBufferAttribute(t,e));return this}setFromPoints(t){this.makeEmpty();for(let e=0,i=t.length;e<i;e++)this.expandByPoint(t[e]);return this}setFromCenterAndSize(t,e){const i=Qr.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(i),this.max.copy(t).add(i),this}setFromObject(t,e=!1){return this.makeEmpty(),this.expandByObject(t,e)}clone(){return(new this.constructor).copy(this)}copy(t){return this.min.copy(t.min),this.max.copy(t.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(t){return this.isEmpty()?t.set(0,0,0):t.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(t){return this.isEmpty()?t.set(0,0,0):t.subVectors(this.max,this.min)}expandByPoint(t){return this.min.min(t),this.max.max(t),this}expandByVector(t){return this.min.sub(t),this.max.add(t),this}expandByScalar(t){return this.min.addScalar(-t),this.max.addScalar(t),this}expandByObject(t,e=!1){t.updateWorldMatrix(!1,!1);const i=t.geometry;if(void 0!==i){const s=i.getAttribute("position");if(!0===e&&void 0!==s&&!0!==t.isInstancedMesh)for(let e=0,i=s.count;e<i;e++)!0===t.isMesh?t.getVertexPosition(e,Qr):Qr.fromBufferAttribute(s,e),Qr.applyMatrix4(t.matrixWorld),this.expandByPoint(Qr);else void 0!==t.boundingBox?(null===t.boundingBox&&t.computeBoundingBox(),Kr.copy(t.boundingBox)):(null===i.boundingBox&&i.computeBoundingBox(),Kr.copy(i.boundingBox)),Kr.applyMatrix4(t.matrixWorld),this.union(Kr)}const s=t.children;for(let t=0,i=s.length;t<i;t++)this.expandByObject(s[t],e);return this}containsPoint(t){return t.x>=this.min.x&&t.x<=this.max.x&&t.y>=this.min.y&&t.y<=this.max.y&&t.z>=this.min.z&&t.z<=this.max.z}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(t){return t.max.x>=this.min.x&&t.min.x<=this.max.x&&t.max.y>=this.min.y&&t.min.y<=this.max.y&&t.max.z>=this.min.z&&t.min.z<=this.max.z}intersectsSphere(t){return this.clampPoint(t.center,Qr),Qr.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,i;return t.normal.x>0?(e=t.normal.x*this.min.x,i=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,i=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,i+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,i+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,i+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,i+=t.normal.z*this.min.z),e<=-t.constant&&i>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(on),hn.subVectors(this.max,on),tn.subVectors(t.a,on),en.subVectors(t.b,on),sn.subVectors(t.c,on),rn.subVectors(en,tn),nn.subVectors(sn,en),an.subVectors(tn,sn);let e=[0,-rn.z,rn.y,0,-nn.z,nn.y,0,-an.z,an.y,rn.z,0,-rn.x,nn.z,0,-nn.x,an.z,0,-an.x,-rn.y,rn.x,0,-nn.y,nn.x,0,-an.y,an.x,0];return!!un(e,tn,en,sn,hn)&&(e=[1,0,0,0,1,0,0,0,1],!!un(e,tn,en,sn,hn)&&(ln.crossVectors(rn,nn),e=[ln.x,ln.y,ln.z],un(e,tn,en,sn,hn)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,Qr).distanceTo(t)}getBoundingSphere(t){return this.isEmpty()?t.makeEmpty():(this.getCenter(t.center),t.radius=.5*this.getSize(Qr).length()),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()||($r[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),$r[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),$r[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),$r[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),$r[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),$r[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),$r[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),$r[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints($r)),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}toJSON(){return{min:this.min.toArray(),max:this.max.toArray()}}fromJSON(t){return this.min.fromArray(t.min),this.max.fromArray(t.max),this}}const $r=[new _s,new _s,new _s,new _s,new _s,new _s,new _s,new _s],Qr=new _s,Kr=new Gr,tn=new _s,en=new _s,sn=new _s,rn=new _s,nn=new _s,an=new _s,on=new _s,hn=new _s,ln=new _s,cn=new _s;function un(t,e,i,s,r){for(let n=0,a=t.length-3;n<=a;n+=3){cn.fromArray(t,n);const a=r.x*Math.abs(cn.x)+r.y*Math.abs(cn.y)+r.z*Math.abs(cn.z),o=e.dot(cn),h=i.dot(cn),l=s.dot(cn);if(Math.max(-Math.max(o,h,l),Math.min(o,h,l))>a)return!1}return!0}const dn=pn();function pn(){const t=new ArrayBuffer(4),e=new Float32Array(t),i=new Uint32Array(t),s=new Uint32Array(512),r=new Uint32Array(512);for(let t=0;t<256;++t){const e=t-127;e<-27?(s[t]=0,s[256|t]=32768,r[t]=24,r[256|t]=24):e<-14?(s[t]=1024>>-e-14,s[256|t]=1024>>-e-14|32768,r[t]=-e-1,r[256|t]=-e-1):e<=15?(s[t]=e+15<<10,s[256|t]=e+15<<10|32768,r[t]=13,r[256|t]=13):e<128?(s[t]=31744,s[256|t]=64512,r[t]=24,r[256|t]=24):(s[t]=31744,s[256|t]=64512,r[t]=13,r[256|t]=13)}const n=new Uint32Array(2048),a=new Uint32Array(64),o=new Uint32Array(64);for(let t=1;t<1024;++t){let e=t<<13,i=0;for(;!(8388608&e);)e<<=1,i-=8388608;e&=-8388609,i+=947912704,n[t]=e|i}for(let t=1024;t<2048;++t)n[t]=939524096+(t-1024<<13);for(let t=1;t<31;++t)a[t]=t<<23;a[31]=1199570944,a[32]=2147483648;for(let t=33;t<63;++t)a[t]=2147483648+(t-32<<23);a[63]=3347054592;for(let t=1;t<64;++t)32!==t&&(o[t]=1024);return{floatView:e,uint32View:i,baseTable:s,shiftTable:r,mantissaTable:n,exponentTable:a,offsetTable:o}}function mn(t){Math.abs(t)>65504&&as("DataUtils.toHalfFloat(): Value out of range."),t=gs(t,-65504,65504),dn.floatView[0]=t;const e=dn.uint32View[0],i=e>>23&511;return dn.baseTable[i]+((8388607&e)>>dn.shiftTable[i])}function yn(t){const e=t>>10;return dn.uint32View[0]=dn.mantissaTable[dn.offsetTable[e]+(1023&t)]+dn.exponentTable[e],dn.floatView[0]}class gn{static toHalfFloat(t){return mn(t)}static fromHalfFloat(t){return yn(t)}}const fn=new _s,xn=new Ms;let bn=0;class vn{constructor(t,e,i=!1){if(Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,Object.defineProperty(this,"id",{value:bn++}),this.name="",this.array=t,this.itemSize=e,this.count=void 0!==t?t.length/e:0,this.normalized=i,this.usage=Oi,this.updateRanges=[],this.gpuType=Pt,this.version=0}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.name=t.name,this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.count=t.count,this.normalized=t.normalized,this.usage=t.usage,this.gpuType=t.gpuType,this}copyAt(t,e,i){t*=this.itemSize,i*=e.itemSize;for(let s=0,r=this.itemSize;s<r;s++)this.array[t+s]=e.array[i+s];return this}copyArray(t){return this.array.set(t),this}applyMatrix3(t){if(2===this.itemSize)for(let e=0,i=this.count;e<i;e++)xn.fromBufferAttribute(this,e),xn.applyMatrix3(t),this.setXY(e,xn.x,xn.y);else if(3===this.itemSize)for(let e=0,i=this.count;e<i;e++)fn.fromBufferAttribute(this,e),fn.applyMatrix3(t),this.setXYZ(e,fn.x,fn.y,fn.z);return this}applyMatrix4(t){for(let e=0,i=this.count;e<i;e++)fn.fromBufferAttribute(this,e),fn.applyMatrix4(t),this.setXYZ(e,fn.x,fn.y,fn.z);return this}applyNormalMatrix(t){for(let e=0,i=this.count;e<i;e++)fn.fromBufferAttribute(this,e),fn.applyNormalMatrix(t),this.setXYZ(e,fn.x,fn.y,fn.z);return this}transformDirection(t){for(let e=0,i=this.count;e<i;e++)fn.fromBufferAttribute(this,e),fn.transformDirection(t),this.setXYZ(e,fn.x,fn.y,fn.z);return this}set(t,e=0){return this.array.set(t,e),this}getComponent(t,e){let i=this.array[t*this.itemSize+e];return this.normalized&&(i=bs(i,this.array)),i}setComponent(t,e,i){return this.normalized&&(i=vs(i,this.array)),this.array[t*this.itemSize+e]=i,this}getX(t){let e=this.array[t*this.itemSize];return this.normalized&&(e=bs(e,this.array)),e}setX(t,e){return this.normalized&&(e=vs(e,this.array)),this.array[t*this.itemSize]=e,this}getY(t){let e=this.array[t*this.itemSize+1];return this.normalized&&(e=bs(e,this.array)),e}setY(t,e){return this.normalized&&(e=vs(e,this.array)),this.array[t*this.itemSize+1]=e,this}getZ(t){let e=this.array[t*this.itemSize+2];return this.normalized&&(e=bs(e,this.array)),e}setZ(t,e){return this.normalized&&(e=vs(e,this.array)),this.array[t*this.itemSize+2]=e,this}getW(t){let e=this.array[t*this.itemSize+3];return this.normalized&&(e=bs(e,this.array)),e}setW(t,e){return this.normalized&&(e=vs(e,this.array)),this.array[t*this.itemSize+3]=e,this}setXY(t,e,i){return t*=this.itemSize,this.normalized&&(e=vs(e,this.array),i=vs(i,this.array)),this.array[t+0]=e,this.array[t+1]=i,this}setXYZ(t,e,i,s){return t*=this.itemSize,this.normalized&&(e=vs(e,this.array),i=vs(i,this.array),s=vs(s,this.array)),this.array[t+0]=e,this.array[t+1]=i,this.array[t+2]=s,this}setXYZW(t,e,i,s,r){return t*=this.itemSize,this.normalized&&(e=vs(e,this.array),i=vs(i,this.array),s=vs(s,this.array),r=vs(r,this.array)),this.array[t+0]=e,this.array[t+1]=i,this.array[t+2]=s,this.array[t+3]=r,this}onUpload(t){return this.onUploadCallback=t,this}clone(){return new this.constructor(this.array,this.itemSize).copy(this)}toJSON(){const t={itemSize:this.itemSize,type:this.array.constructor.name,array:Array.from(this.array),normalized:this.normalized};return""!==this.name&&(t.name=this.name),this.usage!==Oi&&(t.usage=this.usage),t}}class wn extends vn{constructor(t,e,i){super(new Int8Array(t),e,i)}}class Mn extends vn{constructor(t,e,i){super(new Uint8Array(t),e,i)}}class Sn extends vn{constructor(t,e,i){super(new Uint8ClampedArray(t),e,i)}}class _n extends vn{constructor(t,e,i){super(new Int16Array(t),e,i)}}class An extends vn{constructor(t,e,i){super(new Uint16Array(t),e,i)}}class Tn extends vn{constructor(t,e,i){super(new Int32Array(t),e,i)}}class zn extends vn{constructor(t,e,i){super(new Uint32Array(t),e,i)}}class Cn extends vn{constructor(t,e,i){super(new Uint16Array(t),e,i),this.isFloat16BufferAttribute=!0}getX(t){let e=yn(this.array[t*this.itemSize]);return this.normalized&&(e=bs(e,this.array)),e}setX(t,e){return this.normalized&&(e=vs(e,this.array)),this.array[t*this.itemSize]=mn(e),this}getY(t){let e=yn(this.array[t*this.itemSize+1]);return this.normalized&&(e=bs(e,this.array)),e}setY(t,e){return this.normalized&&(e=vs(e,this.array)),this.array[t*this.itemSize+1]=mn(e),this}getZ(t){let e=yn(this.array[t*this.itemSize+2]);return this.normalized&&(e=bs(e,this.array)),e}setZ(t,e){return this.normalized&&(e=vs(e,this.array)),this.array[t*this.itemSize+2]=mn(e),this}getW(t){let e=yn(this.array[t*this.itemSize+3]);return this.normalized&&(e=bs(e,this.array)),e}setW(t,e){return this.normalized&&(e=vs(e,this.array)),this.array[t*this.itemSize+3]=mn(e),this}setXY(t,e,i){return t*=this.itemSize,this.normalized&&(e=vs(e,this.array),i=vs(i,this.array)),this.array[t+0]=mn(e),this.array[t+1]=mn(i),this}setXYZ(t,e,i,s){return t*=this.itemSize,this.normalized&&(e=vs(e,this.array),i=vs(i,this.array),s=vs(s,this.array)),this.array[t+0]=mn(e),this.array[t+1]=mn(i),this.array[t+2]=mn(s),this}setXYZW(t,e,i,s,r){return t*=this.itemSize,this.normalized&&(e=vs(e,this.array),i=vs(i,this.array),s=vs(s,this.array),r=vs(r,this.array)),this.array[t+0]=mn(e),this.array[t+1]=mn(i),this.array[t+2]=mn(s),this.array[t+3]=mn(r),this}}class In extends vn{constructor(t,e,i){super(new Float32Array(t),e,i)}}const kn=new Gr,Bn=new _s,On=new _s;class Pn{constructor(t=new _s,e=-1){this.isSphere=!0,this.center=t,this.radius=e}set(t,e){return this.center.copy(t),this.radius=e,this}setFromPoints(t,e){const i=this.center;void 0!==e?i.copy(e):kn.setFromPoints(t).getCenter(i);let s=0;for(let e=0,r=t.length;e<r;e++)s=Math.max(s,i.distanceToSquared(t[e]));return this.radius=Math.sqrt(s),this}copy(t){return this.center.copy(t.center),this.radius=t.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(t){return t.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(t){return t.distanceTo(this.center)-this.radius}intersectsSphere(t){const e=this.radius+t.radius;return t.center.distanceToSquared(this.center)<=e*e}intersectsBox(t){return t.intersectsSphere(this)}intersectsPlane(t){return Math.abs(t.distanceToPoint(this.center))<=this.radius}clampPoint(t,e){const i=this.center.distanceToSquared(t);return e.copy(t),i>this.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e}getBoundingBox(t){return this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)}applyMatrix4(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this}translate(t){return this.center.add(t),this}expandByPoint(t){if(this.isEmpty())return this.center.copy(t),this.radius=0,this;Bn.subVectors(t,this.center);const e=Bn.lengthSq();if(e>this.radius*this.radius){const t=Math.sqrt(e),i=.5*(t-this.radius);this.center.addScaledVector(Bn,i/t),this.radius+=i}return this}union(t){return t.isEmpty()?this:this.isEmpty()?(this.copy(t),this):(!0===this.center.equals(t.center)?this.radius=Math.max(this.radius,t.radius):(On.subVectors(t.center,this.center).setLength(t.radius),this.expandByPoint(Bn.copy(t.center).add(On)),this.expandByPoint(Bn.copy(t.center).sub(On))),this)}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return(new this.constructor).copy(this)}toJSON(){return{radius:this.radius,center:this.center.toArray()}}fromJSON(t){return this.radius=t.radius,this.center.fromArray(t.center),this}}let Rn=0;const Nn=new Gs,Vn=new Sr,En=new _s,Fn=new Gr,Ln=new Gr,jn=new _s;class Dn extends cs{constructor(){super(),this.isBufferGeometry=!0,Object.defineProperty(this,"id",{value:Rn++}),this.uuid=ys(),this.name="",this.type="BufferGeometry",this.index=null,this.indirect=null,this.indirectOffset=0,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={}}getIndex(){return this.index}setIndex(t){return Array.isArray(t)?this.index=new(function(t){for(let e=t.length-1;e>=0;--e)if(t[e]>=65535)return!0;return!1}(t)?zn:An)(t,1):this.index=t,this}setIndirect(t,e=0){return this.indirect=t,this.indirectOffset=e,this}getIndirect(){return this.indirect}getAttribute(t){return this.attributes[t]}setAttribute(t,e){return this.attributes[t]=e,this}deleteAttribute(t){return delete this.attributes[t],this}hasAttribute(t){return void 0!==this.attributes[t]}addGroup(t,e,i=0){this.groups.push({start:t,count:e,materialIndex:i})}clearGroups(){this.groups=[]}setDrawRange(t,e){this.drawRange.start=t,this.drawRange.count=e}applyMatrix4(t){const e=this.attributes.position;void 0!==e&&(e.applyMatrix4(t),e.needsUpdate=!0);const i=this.attributes.normal;if(void 0!==i){const e=(new zs).getNormalMatrix(t);i.applyNormalMatrix(e),i.needsUpdate=!0}const s=this.attributes.tangent;return void 0!==s&&(s.transformDirection(t),s.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this}applyQuaternion(t){return Nn.makeRotationFromQuaternion(t),this.applyMatrix4(Nn),this}rotateX(t){return Nn.makeRotationX(t),this.applyMatrix4(Nn),this}rotateY(t){return Nn.makeRotationY(t),this.applyMatrix4(Nn),this}rotateZ(t){return Nn.makeRotationZ(t),this.applyMatrix4(Nn),this}translate(t,e,i){return Nn.makeTranslation(t,e,i),this.applyMatrix4(Nn),this}scale(t,e,i){return Nn.makeScale(t,e,i),this.applyMatrix4(Nn),this}lookAt(t){return Vn.lookAt(t),Vn.updateMatrix(),this.applyMatrix4(Vn.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(En).negate(),this.translate(En.x,En.y,En.z),this}setFromPoints(t){const e=this.getAttribute("position");if(void 0===e){const e=[];for(let i=0,s=t.length;i<s;i++){const s=t[i];e.push(s.x,s.y,s.z||0)}this.setAttribute("position",new In(e,3))}else{const i=Math.min(t.length,e.count);for(let s=0;s<i;s++){const i=t[s];e.setXYZ(s,i.x,i.y,i.z||0)}t.length>e.count&&as("BufferGeometry: Buffer size too small for points data. Use .dispose() and create a new geometry."),e.needsUpdate=!0}return this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new Gr);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return os("BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box.",this),void this.boundingBox.set(new _s(-1/0,-1/0,-1/0),new _s(1/0,1/0,1/0));if(void 0!==t){if(this.boundingBox.setFromBufferAttribute(t),e)for(let t=0,i=e.length;t<i;t++){const i=e[t];Fn.setFromBufferAttribute(i),this.morphTargetsRelative?(jn.addVectors(this.boundingBox.min,Fn.min),this.boundingBox.expandByPoint(jn),jn.addVectors(this.boundingBox.max,Fn.max),this.boundingBox.expandByPoint(jn)):(this.boundingBox.expandByPoint(Fn.min),this.boundingBox.expandByPoint(Fn.max))}}else this.boundingBox.makeEmpty();(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&os('BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)}computeBoundingSphere(){null===this.boundingSphere&&(this.boundingSphere=new Pn);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return os("BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere.",this),void this.boundingSphere.set(new _s,1/0);if(t){const i=this.boundingSphere.center;if(Fn.setFromBufferAttribute(t),e)for(let t=0,i=e.length;t<i;t++){const i=e[t];Ln.setFromBufferAttribute(i),this.morphTargetsRelative?(jn.addVectors(Fn.min,Ln.min),Fn.expandByPoint(jn),jn.addVectors(Fn.max,Ln.max),Fn.expandByPoint(jn)):(Fn.expandByPoint(Ln.min),Fn.expandByPoint(Ln.max))}Fn.getCenter(i);let s=0;for(let e=0,r=t.count;e<r;e++)jn.fromBufferAttribute(t,e),s=Math.max(s,i.distanceToSquared(jn));if(e)for(let r=0,n=e.length;r<n;r++){const n=e[r],a=this.morphTargetsRelative;for(let e=0,r=n.count;e<r;e++)jn.fromBufferAttribute(n,e),a&&(En.fromBufferAttribute(t,e),jn.add(En)),s=Math.max(s,i.distanceToSquared(jn))}this.boundingSphere.radius=Math.sqrt(s),isNaN(this.boundingSphere.radius)&&os('BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}}computeTangents(){const t=this.index,e=this.attributes;if(null===t||void 0===e.position||void 0===e.normal||void 0===e.uv)return void os("BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");const i=e.position,s=e.normal,r=e.uv;!1===this.hasAttribute("tangent")&&this.setAttribute("tangent",new vn(new Float32Array(4*i.count),4));const n=this.getAttribute("tangent"),a=[],o=[];for(let t=0;t<i.count;t++)a[t]=new _s,o[t]=new _s;const h=new _s,l=new _s,c=new _s,u=new Ms,d=new Ms,p=new Ms,m=new _s,y=new _s;function g(t,e,s){h.fromBufferAttribute(i,t),l.fromBufferAttribute(i,e),c.fromBufferAttribute(i,s),u.fromBufferAttribute(r,t),d.fromBufferAttribute(r,e),p.fromBufferAttribute(r,s),l.sub(h),c.sub(h),d.sub(u),p.sub(u);const n=1/(d.x*p.y-p.x*d.y);isFinite(n)&&(m.copy(l).multiplyScalar(p.y).addScaledVector(c,-d.y).multiplyScalar(n),y.copy(c).multiplyScalar(d.x).addScaledVector(l,-p.x).multiplyScalar(n),a[t].add(m),a[e].add(m),a[s].add(m),o[t].add(y),o[e].add(y),o[s].add(y))}let f=this.groups;0===f.length&&(f=[{start:0,count:t.count}]);for(let e=0,i=f.length;e<i;++e){const i=f[e],s=i.start;for(let e=s,r=s+i.count;e<r;e+=3)g(t.getX(e+0),t.getX(e+1),t.getX(e+2))}const x=new _s,b=new _s,v=new _s,w=new _s;function M(t){v.fromBufferAttribute(s,t),w.copy(v);const e=a[t];x.copy(e),x.sub(v.multiplyScalar(v.dot(e))).normalize(),b.crossVectors(w,e);const i=b.dot(o[t])<0?-1:1;n.setXYZW(t,x.x,x.y,x.z,i)}for(let e=0,i=f.length;e<i;++e){const i=f[e],s=i.start;for(let e=s,r=s+i.count;e<r;e+=3)M(t.getX(e+0)),M(t.getX(e+1)),M(t.getX(e+2))}}computeVertexNormals(){const t=this.index,e=this.getAttribute("position");if(void 0!==e){let i=this.getAttribute("normal");if(void 0===i)i=new vn(new Float32Array(3*e.count),3),this.setAttribute("normal",i);else for(let t=0,e=i.count;t<e;t++)i.setXYZ(t,0,0,0);const s=new _s,r=new _s,n=new _s,a=new _s,o=new _s,h=new _s,l=new _s,c=new _s;if(t)for(let u=0,d=t.count;u<d;u+=3){const d=t.getX(u+0),p=t.getX(u+1),m=t.getX(u+2);s.fromBufferAttribute(e,d),r.fromBufferAttribute(e,p),n.fromBufferAttribute(e,m),l.subVectors(n,r),c.subVectors(s,r),l.cross(c),a.fromBufferAttribute(i,d),o.fromBufferAttribute(i,p),h.fromBufferAttribute(i,m),a.add(l),o.add(l),h.add(l),i.setXYZ(d,a.x,a.y,a.z),i.setXYZ(p,o.x,o.y,o.z),i.setXYZ(m,h.x,h.y,h.z)}else for(let t=0,a=e.count;t<a;t+=3)s.fromBufferAttribute(e,t+0),r.fromBufferAttribute(e,t+1),n.fromBufferAttribute(e,t+2),l.subVectors(n,r),c.subVectors(s,r),l.cross(c),i.setXYZ(t+0,l.x,l.y,l.z),i.setXYZ(t+1,l.x,l.y,l.z),i.setXYZ(t+2,l.x,l.y,l.z);this.normalizeNormals(),i.needsUpdate=!0}}normalizeNormals(){const t=this.attributes.normal;for(let e=0,i=t.count;e<i;e++)jn.fromBufferAttribute(t,e),jn.normalize(),t.setXYZ(e,jn.x,jn.y,jn.z)}toNonIndexed(){function t(t,e){const i=t.array,s=t.itemSize,r=t.normalized,n=new i.constructor(e.length*s);let a=0,o=0;for(let r=0,h=e.length;r<h;r++){a=t.isInterleavedBufferAttribute?e[r]*t.data.stride+t.offset:e[r]*s;for(let t=0;t<s;t++)n[o++]=i[a++]}return new vn(n,s,r)}if(null===this.index)return as("BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;const e=new Dn,i=this.index.array,s=this.attributes;for(const r in s){const n=t(s[r],i);e.setAttribute(r,n)}const r=this.morphAttributes;for(const s in r){const n=[],a=r[s];for(let e=0,s=a.length;e<s;e++){const s=t(a[e],i);n.push(s)}e.morphAttributes[s]=n}e.morphTargetsRelative=this.morphTargetsRelative;const n=this.groups;for(let t=0,i=n.length;t<i;t++){const i=n[t];e.addGroup(i.start,i.count,i.materialIndex)}return e}toJSON(){const t={metadata:{version:4.7,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(t.uuid=this.uuid,t.type=this.type,""!==this.name&&(t.name=this.name),Object.keys(this.userData).length>0&&(t.userData=this.userData),void 0!==this.parameters){const e=this.parameters;for(const i in e)void 0!==e[i]&&(t[i]=e[i]);return t}t.data={attributes:{}};const e=this.index;null!==e&&(t.data.index={type:e.array.constructor.name,array:Array.prototype.slice.call(e.array)});const i=this.attributes;for(const e in i){const s=i[e];t.data.attributes[e]=s.toJSON(t.data)}const s={};let r=!1;for(const e in this.morphAttributes){const i=this.morphAttributes[e],n=[];for(let e=0,s=i.length;e<s;e++){const s=i[e];n.push(s.toJSON(t.data))}n.length>0&&(s[e]=n,r=!0)}r&&(t.data.morphAttributes=s,t.data.morphTargetsRelative=this.morphTargetsRelative);const n=this.groups;n.length>0&&(t.data.groups=JSON.parse(JSON.stringify(n)));const a=this.boundingSphere;return null!==a&&(t.data.boundingSphere=a.toJSON()),t}clone(){return(new this.constructor).copy(this)}copy(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const e={};this.name=t.name;const i=t.index;null!==i&&this.setIndex(i.clone());const s=t.attributes;for(const t in s){const i=s[t];this.setAttribute(t,i.clone(e))}const r=t.morphAttributes;for(const t in r){const i=[],s=r[t];for(let t=0,r=s.length;t<r;t++)i.push(s[t].clone(e));this.morphAttributes[t]=i}this.morphTargetsRelative=t.morphTargetsRelative;const n=t.groups;for(let t=0,e=n.length;t<e;t++){const e=n[t];this.addGroup(e.start,e.count,e.materialIndex)}const a=t.boundingBox;null!==a&&(this.boundingBox=a.clone());const o=t.boundingSphere;return null!==o&&(this.boundingSphere=o.clone()),this.drawRange.start=t.drawRange.start,this.drawRange.count=t.drawRange.count,this.userData=t.userData,this}dispose(){this.dispatchEvent({type:"dispose"})}}class Wn{constructor(t,e){this.isInterleavedBuffer=!0,this.array=t,this.stride=e,this.count=void 0!==t?t.length/e:0,this.usage=Oi,this.updateRanges=[],this.version=0,this.uuid=ys()}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.array=new t.array.constructor(t.array),this.count=t.count,this.stride=t.stride,this.usage=t.usage,this}copyAt(t,e,i){t*=this.stride,i*=e.stride;for(let s=0,r=this.stride;s<r;s++)this.array[t+s]=e.array[i+s];return this}set(t,e=0){return this.array.set(t,e),this}clone(t){void 0===t.arrayBuffers&&(t.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=ys()),void 0===t.arrayBuffers[this.array.buffer._uuid]&&(t.arrayBuffers[this.array.buffer._uuid]=this.array.slice(0).buffer);const e=new this.array.constructor(t.arrayBuffers[this.array.buffer._uuid]),i=new this.constructor(e,this.stride);return i.setUsage(this.usage),i}onUpload(t){return this.onUploadCallback=t,this}toJSON(t){return void 0===t.arrayBuffers&&(t.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=ys()),void 0===t.arrayBuffers[this.array.buffer._uuid]&&(t.arrayBuffers[this.array.buffer._uuid]=Array.from(new Uint32Array(this.array.buffer))),{uuid:this.uuid,buffer:this.array.buffer._uuid,type:this.array.constructor.name,stride:this.stride}}}const Un=new _s;class Jn{constructor(t,e,i,s=!1){this.isInterleavedBufferAttribute=!0,this.name="",this.data=t,this.itemSize=e,this.offset=i,this.normalized=s}get count(){return this.data.count}get array(){return this.data.array}set needsUpdate(t){this.data.needsUpdate=t}applyMatrix4(t){for(let e=0,i=this.data.count;e<i;e++)Un.fromBufferAttribute(this,e),Un.applyMatrix4(t),this.setXYZ(e,Un.x,Un.y,Un.z);return this}applyNormalMatrix(t){for(let e=0,i=this.count;e<i;e++)Un.fromBufferAttribute(this,e),Un.applyNormalMatrix(t),this.setXYZ(e,Un.x,Un.y,Un.z);return this}transformDirection(t){for(let e=0,i=this.count;e<i;e++)Un.fromBufferAttribute(this,e),Un.transformDirection(t),this.setXYZ(e,Un.x,Un.y,Un.z);return this}getComponent(t,e){let i=this.array[t*this.data.stride+this.offset+e];return this.normalized&&(i=bs(i,this.array)),i}setComponent(t,e,i){return this.normalized&&(i=vs(i,this.array)),this.data.array[t*this.data.stride+this.offset+e]=i,this}setX(t,e){return this.normalized&&(e=vs(e,this.array)),this.data.array[t*this.data.stride+this.offset]=e,this}setY(t,e){return this.normalized&&(e=vs(e,this.array)),this.data.array[t*this.data.stride+this.offset+1]=e,this}setZ(t,e){return this.normalized&&(e=vs(e,this.array)),this.data.array[t*this.data.stride+this.offset+2]=e,this}setW(t,e){return this.normalized&&(e=vs(e,this.array)),this.data.array[t*this.data.stride+this.offset+3]=e,this}getX(t){let e=this.data.array[t*this.data.stride+this.offset];return this.normalized&&(e=bs(e,this.array)),e}getY(t){let e=this.data.array[t*this.data.stride+this.offset+1];return this.normalized&&(e=bs(e,this.array)),e}getZ(t){let e=this.data.array[t*this.data.stride+this.offset+2];return this.normalized&&(e=bs(e,this.array)),e}getW(t){let e=this.data.array[t*this.data.stride+this.offset+3];return this.normalized&&(e=bs(e,this.array)),e}setXY(t,e,i){return t=t*this.data.stride+this.offset,this.normalized&&(e=vs(e,this.array),i=vs(i,this.array)),this.data.array[t+0]=e,this.data.array[t+1]=i,this}setXYZ(t,e,i,s){return t=t*this.data.stride+this.offset,this.normalized&&(e=vs(e,this.array),i=vs(i,this.array),s=vs(s,this.array)),this.data.array[t+0]=e,this.data.array[t+1]=i,this.data.array[t+2]=s,this}setXYZW(t,e,i,s,r){return t=t*this.data.stride+this.offset,this.normalized&&(e=vs(e,this.array),i=vs(i,this.array),s=vs(s,this.array),r=vs(r,this.array)),this.data.array[t+0]=e,this.data.array[t+1]=i,this.data.array[t+2]=s,this.data.array[t+3]=r,this}clone(t){if(void 0===t){rs("InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will de-interleave buffer data.");const t=[];for(let e=0;e<this.count;e++){const i=e*this.data.stride+this.offset;for(let e=0;e<this.itemSize;e++)t.push(this.data.array[i+e])}return new vn(new this.array.constructor(t),this.itemSize,this.normalized)}return void 0===t.interleavedBuffers&&(t.interleavedBuffers={}),void 0===t.interleavedBuffers[this.data.uuid]&&(t.interleavedBuffers[this.data.uuid]=this.data.clone(t)),new Jn(t.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized)}toJSON(t){if(void 0===t){rs("InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will de-interleave buffer data.");const t=[];for(let e=0;e<this.count;e++){const i=e*this.data.stride+this.offset;for(let e=0;e<this.itemSize;e++)t.push(this.data.array[i+e])}return{itemSize:this.itemSize,type:this.array.constructor.name,array:t,normalized:this.normalized}}return void 0===t.interleavedBuffers&&(t.interleavedBuffers={}),void 0===t.interleavedBuffers[this.data.uuid]&&(t.interleavedBuffers[this.data.uuid]=this.data.toJSON(t)),{isInterleavedBufferAttribute:!0,itemSize:this.itemSize,data:this.data.uuid,offset:this.offset,normalized:this.normalized}}}let qn,Xn=0;class Yn extends cs{constructor(){super(),this.isMaterial=!0,Object.defineProperty(this,"id",{value:Xn++}),this.uuid=ys(),this.name="",this.type="Material",this.blending=1,this.side=0,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.alphaHash=!1,this.blendSrc=204,this.blendDst=205,this.blendEquation=100,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.blendColor=new Br(0,0,0),this.blendAlpha=0,this.depthFunc=3,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=519,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=li,this.stencilZFail=li,this.stencilZPass=li,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.forceSinglePass=!1,this.allowOverride=!0,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0,this._alphaTest=0}get alphaTest(){return this._alphaTest}set alphaTest(t){this._alphaTest>0!=t>0&&this.version++,this._alphaTest=t}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(t){if(void 0!==t)for(const e in t){const i=t[e];if(void 0===i){as(`Material: parameter '${e}' has value of undefined.`);continue}const s=this[e];void 0!==s?s&&s.isColor?s.set(i):s&&s.isVector3&&i&&i.isVector3?s.copy(i):this[e]=i:as(`Material: '${e}' is not a property of THREE.${this.type}.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{}});const i={metadata:{version:4.7,type:"Material",generator:"Material.toJSON"}};function s(t){const e=[];for(const i in t){const s=t[i];delete s.metadata,e.push(s)}return e}if(i.uuid=this.uuid,i.type=this.type,""!==this.name&&(i.name=this.name),this.color&&this.color.isColor&&(i.color=this.color.getHex()),void 0!==this.roughness&&(i.roughness=this.roughness),void 0!==this.metalness&&(i.metalness=this.metalness),void 0!==this.sheen&&(i.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(i.sheenColor=this.sheenColor.getHex()),void 0!==this.sheenRoughness&&(i.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(i.emissive=this.emissive.getHex()),void 0!==this.emissiveIntensity&&1!==this.emissiveIntensity&&(i.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(i.specular=this.specular.getHex()),void 0!==this.specularIntensity&&(i.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(i.specularColor=this.specularColor.getHex()),void 0!==this.shininess&&(i.shininess=this.shininess),void 0!==this.clearcoat&&(i.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(i.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(i.clearcoatMap=this.clearcoatMap.toJSON(t).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(i.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(t).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(i.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(t).uuid,i.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.sheenColorMap&&this.sheenColorMap.isTexture&&(i.sheenColorMap=this.sheenColorMap.toJSON(t).uuid),this.sheenRoughnessMap&&this.sheenRoughnessMap.isTexture&&(i.sheenRoughnessMap=this.sheenRoughnessMap.toJSON(t).uuid),void 0!==this.dispersion&&(i.dispersion=this.dispersion),void 0!==this.iridescence&&(i.iridescence=this.iridescence),void 0!==this.iridescenceIOR&&(i.iridescenceIOR=this.iridescenceIOR),void 0!==this.iridescenceThicknessRange&&(i.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(i.iridescenceMap=this.iridescenceMap.toJSON(t).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(i.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(t).uuid),void 0!==this.anisotropy&&(i.anisotropy=this.anisotropy),void 0!==this.anisotropyRotation&&(i.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(i.anisotropyMap=this.anisotropyMap.toJSON(t).uuid),this.map&&this.map.isTexture&&(i.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(i.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(i.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(i.lightMap=this.lightMap.toJSON(t).uuid,i.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(i.aoMap=this.aoMap.toJSON(t).uuid,i.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(i.bumpMap=this.bumpMap.toJSON(t).uuid,i.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(i.normalMap=this.normalMap.toJSON(t).uuid,i.normalMapType=this.normalMapType,i.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(i.displacementMap=this.displacementMap.toJSON(t).uuid,i.displacementScale=this.displacementScale,i.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(i.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(i.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(i.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(i.specularMap=this.specularMap.toJSON(t).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(i.specularIntensityMap=this.specularIntensityMap.toJSON(t).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(i.specularColorMap=this.specularColorMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(i.envMap=this.envMap.toJSON(t).uuid,void 0!==this.combine&&(i.combine=this.combine)),void 0!==this.envMapRotation&&(i.envMapRotation=this.envMapRotation.toArray()),void 0!==this.envMapIntensity&&(i.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(i.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(i.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(i.gradientMap=this.gradientMap.toJSON(t).uuid),void 0!==this.transmission&&(i.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(i.transmissionMap=this.transmissionMap.toJSON(t).uuid),void 0!==this.thickness&&(i.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(i.thicknessMap=this.thicknessMap.toJSON(t).uuid),void 0!==this.attenuationDistance&&this.attenuationDistance!==1/0&&(i.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationColor&&(i.attenuationColor=this.attenuationColor.getHex()),void 0!==this.size&&(i.size=this.size),null!==this.shadowSide&&(i.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(i.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(i.blending=this.blending),0!==this.side&&(i.side=this.side),!0===this.vertexColors&&(i.vertexColors=!0),this.opacity<1&&(i.opacity=this.opacity),!0===this.transparent&&(i.transparent=!0),204!==this.blendSrc&&(i.blendSrc=this.blendSrc),205!==this.blendDst&&(i.blendDst=this.blendDst),100!==this.blendEquation&&(i.blendEquation=this.blendEquation),null!==this.blendSrcAlpha&&(i.blendSrcAlpha=this.blendSrcAlpha),null!==this.blendDstAlpha&&(i.blendDstAlpha=this.blendDstAlpha),null!==this.blendEquationAlpha&&(i.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(i.blendColor=this.blendColor.getHex()),0!==this.blendAlpha&&(i.blendAlpha=this.blendAlpha),3!==this.depthFunc&&(i.depthFunc=this.depthFunc),!1===this.depthTest&&(i.depthTest=this.depthTest),!1===this.depthWrite&&(i.depthWrite=this.depthWrite),!1===this.colorWrite&&(i.colorWrite=this.colorWrite),255!==this.stencilWriteMask&&(i.stencilWriteMask=this.stencilWriteMask),519!==this.stencilFunc&&(i.stencilFunc=this.stencilFunc),0!==this.stencilRef&&(i.stencilRef=this.stencilRef),255!==this.stencilFuncMask&&(i.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==li&&(i.stencilFail=this.stencilFail),this.stencilZFail!==li&&(i.stencilZFail=this.stencilZFail),this.stencilZPass!==li&&(i.stencilZPass=this.stencilZPass),!0===this.stencilWrite&&(i.stencilWrite=this.stencilWrite),void 0!==this.rotation&&0!==this.rotation&&(i.rotation=this.rotation),!0===this.polygonOffset&&(i.polygonOffset=!0),0!==this.polygonOffsetFactor&&(i.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(i.polygonOffsetUnits=this.polygonOffsetUnits),void 0!==this.linewidth&&1!==this.linewidth&&(i.linewidth=this.linewidth),void 0!==this.dashSize&&(i.dashSize=this.dashSize),void 0!==this.gapSize&&(i.gapSize=this.gapSize),void 0!==this.scale&&(i.scale=this.scale),!0===this.dithering&&(i.dithering=!0),this.alphaTest>0&&(i.alphaTest=this.alphaTest),!0===this.alphaHash&&(i.alphaHash=!0),!0===this.alphaToCoverage&&(i.alphaToCoverage=!0),!0===this.premultipliedAlpha&&(i.premultipliedAlpha=!0),!0===this.forceSinglePass&&(i.forceSinglePass=!0),!1===this.allowOverride&&(i.allowOverride=!1),!0===this.wireframe&&(i.wireframe=!0),this.wireframeLinewidth>1&&(i.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(i.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(i.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(i.flatShading=!0),!1===this.visible&&(i.visible=!1),!1===this.toneMapped&&(i.toneMapped=!1),!1===this.fog&&(i.fog=!1),Object.keys(this.userData).length>0&&(i.userData=this.userData),e){const e=s(t.textures),r=s(t.images);e.length>0&&(i.textures=e),r.length>0&&(i.images=r)}return i}clone(){return(new this.constructor).copy(this)}copy(t){this.name=t.name,this.blending=t.blending,this.side=t.side,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.blendColor.copy(t.blendColor),this.blendAlpha=t.blendAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;const e=t.clippingPlanes;let i=null;if(null!==e){const t=e.length;i=new Array(t);for(let s=0;s!==t;++s)i[s]=e[s].clone()}return this.clippingPlanes=i,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.alphaHash=t.alphaHash,this.alphaToCoverage=t.alphaToCoverage,this.premultipliedAlpha=t.premultipliedAlpha,this.forceSinglePass=t.forceSinglePass,this.allowOverride=t.allowOverride,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(t){!0===t&&this.version++}}class Hn extends Yn{constructor(t){super(),this.isSpriteMaterial=!0,this.type="SpriteMaterial",this.color=new Br(16777215),this.map=null,this.alphaMap=null,this.rotation=0,this.sizeAttenuation=!0,this.transparent=!0,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.alphaMap=t.alphaMap,this.rotation=t.rotation,this.sizeAttenuation=t.sizeAttenuation,this.fog=t.fog,this}}const Zn=new _s,Gn=new _s,$n=new _s,Qn=new Ms,Kn=new Ms,ta=new Gs,ea=new _s,ia=new _s,sa=new _s,ra=new Ms,na=new Ms,aa=new Ms;class oa extends Sr{constructor(t=new Hn){if(super(),this.isSprite=!0,this.type="Sprite",void 0===qn){qn=new Dn;const t=new Float32Array([-.5,-.5,0,0,0,.5,-.5,0,1,0,.5,.5,0,1,1,-.5,.5,0,0,1]),e=new Wn(t,5);qn.setIndex([0,1,2,0,2,3]),qn.setAttribute("position",new Jn(e,3,0,!1)),qn.setAttribute("uv",new Jn(e,2,3,!1))}this.geometry=qn,this.material=t,this.center=new Ms(.5,.5),this.count=1}raycast(t,e){null===t.camera&&os('Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.'),Gn.setFromMatrixScale(this.matrixWorld),ta.copy(t.camera.matrixWorld),this.modelViewMatrix.multiplyMatrices(t.camera.matrixWorldInverse,this.matrixWorld),$n.setFromMatrixPosition(this.modelViewMatrix),t.camera.isPerspectiveCamera&&!1===this.material.sizeAttenuation&&Gn.multiplyScalar(-$n.z);const i=this.material.rotation;let s,r;0!==i&&(r=Math.cos(i),s=Math.sin(i));const n=this.center;ha(ea.set(-.5,-.5,0),$n,n,Gn,s,r),ha(ia.set(.5,-.5,0),$n,n,Gn,s,r),ha(sa.set(.5,.5,0),$n,n,Gn,s,r),ra.set(0,0),na.set(1,0),aa.set(1,1);let a=t.ray.intersectTriangle(ea,ia,sa,!1,Zn);if(null===a&&(ha(ia.set(-.5,.5,0),$n,n,Gn,s,r),na.set(0,1),a=t.ray.intersectTriangle(ea,sa,ia,!1,Zn),null===a))return;const o=t.ray.origin.distanceTo(Zn);o<t.near||o>t.far||e.push({distance:o,point:Zn.clone(),uv:Zr.getInterpolation(Zn,ea,ia,sa,ra,na,aa,new Ms),face:null,object:this})}copy(t,e){return super.copy(t,e),void 0!==t.center&&this.center.copy(t.center),this.material=t.material,this}}function ha(t,e,i,s,r,n){Qn.subVectors(t,i).addScalar(.5).multiply(s),void 0!==r?(Kn.x=n*Qn.x-r*Qn.y,Kn.y=r*Qn.x+n*Qn.y):Kn.copy(Qn),t.copy(e),t.x+=Kn.x,t.y+=Kn.y,t.applyMatrix4(ta)}const la=new _s,ca=new _s;class ua extends Sr{constructor(){super(),this.isLOD=!0,this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]}}),this.autoUpdate=!0}copy(t){super.copy(t,!1);const e=t.levels;for(let t=0,i=e.length;t<i;t++){const i=e[t];this.addLevel(i.object.clone(),i.distance,i.hysteresis)}return this.autoUpdate=t.autoUpdate,this}addLevel(t,e=0,i=0){e=Math.abs(e);const s=this.levels;let r;for(r=0;r<s.length&&!(e<s[r].distance);r++);return s.splice(r,0,{distance:e,hysteresis:i,object:t}),this.add(t),this}removeLevel(t){const e=this.levels;for(let i=0;i<e.length;i++)if(e[i].distance===t){const t=e.splice(i,1);return this.remove(t[0].object),!0}return!1}getCurrentLevel(){return this._currentLevel}getObjectForDistance(t){const e=this.levels;if(e.length>0){let i,s;for(i=1,s=e.length;i<s;i++){let s=e[i].distance;if(e[i].object.visible&&(s-=s*e[i].hysteresis),t<s)break}return e[i-1].object}return null}raycast(t,e){if(this.levels.length>0){la.setFromMatrixPosition(this.matrixWorld);const i=t.ray.origin.distanceTo(la);this.getObjectForDistance(i).raycast(t,e)}}update(t){const e=this.levels;if(e.length>1){la.setFromMatrixPosition(t.matrixWorld),ca.setFromMatrixPosition(this.matrixWorld);const i=la.distanceTo(ca)/t.zoom;let s,r;for(e[0].object.visible=!0,s=1,r=e.length;s<r;s++){let t=e[s].distance;if(e[s].object.visible&&(t-=t*e[s].hysteresis),!(i>=t))break;e[s-1].object.visible=!1,e[s].object.visible=!0}for(this._currentLevel=s-1;s<r;s++)e[s].object.visible=!1}}toJSON(t){const e=super.toJSON(t);!1===this.autoUpdate&&(e.object.autoUpdate=!1),e.object.levels=[];const i=this.levels;for(let t=0,s=i.length;t<s;t++){const s=i[t];e.object.levels.push({object:s.object.uuid,distance:s.distance,hysteresis:s.hysteresis})}return e}}const da=new _s,pa=new _s,ma=new _s,ya=new _s,ga=new _s,fa=new _s,xa=new _s;class ba{constructor(t=new _s,e=new _s(0,0,-1)){this.origin=t,this.direction=e}set(t,e){return this.origin.copy(t),this.direction.copy(e),this}copy(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this}at(t,e){return e.copy(this.origin).addScaledVector(this.direction,t)}lookAt(t){return this.direction.copy(t).sub(this.origin).normalize(),this}recast(t){return this.origin.copy(this.at(t,da)),this}closestPointToPoint(t,e){e.subVectors(t,this.origin);const i=e.dot(this.direction);return i<0?e.copy(this.origin):e.copy(this.origin).addScaledVector(this.direction,i)}distanceToPoint(t){return Math.sqrt(this.distanceSqToPoint(t))}distanceSqToPoint(t){const e=da.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):(da.copy(this.origin).addScaledVector(this.direction,e),da.distanceToSquared(t))}distanceSqToSegment(t,e,i,s){pa.copy(t).add(e).multiplyScalar(.5),ma.copy(e).sub(t).normalize(),ya.copy(this.origin).sub(pa);const r=.5*t.distanceTo(e),n=-this.direction.dot(ma),a=ya.dot(this.direction),o=-ya.dot(ma),h=ya.lengthSq(),l=Math.abs(1-n*n);let c,u,d,p;if(l>0)if(c=n*o-a,u=n*a-o,p=r*l,c>=0)if(u>=-p)if(u<=p){const t=1/l;c*=t,u*=t,d=c*(c+n*u+2*a)+u*(n*c+u+2*o)+h}else u=r,c=Math.max(0,-(n*u+a)),d=-c*c+u*(u+2*o)+h;else u=-r,c=Math.max(0,-(n*u+a)),d=-c*c+u*(u+2*o)+h;else u<=-p?(c=Math.max(0,-(-n*r+a)),u=c>0?-r:Math.min(Math.max(-r,-o),r),d=-c*c+u*(u+2*o)+h):u<=p?(c=0,u=Math.min(Math.max(-r,-o),r),d=u*(u+2*o)+h):(c=Math.max(0,-(n*r+a)),u=c>0?r:Math.min(Math.max(-r,-o),r),d=-c*c+u*(u+2*o)+h);else u=n>0?-r:r,c=Math.max(0,-(n*u+a)),d=-c*c+u*(u+2*o)+h;return i&&i.copy(this.origin).addScaledVector(this.direction,c),s&&s.copy(pa).addScaledVector(ma,u),d}intersectSphere(t,e){da.subVectors(t.center,this.origin);const i=da.dot(this.direction),s=da.dot(da)-i*i,r=t.radius*t.radius;if(s>r)return null;const n=Math.sqrt(r-s),a=i-n,o=i+n;return o<0?null:a<0?this.at(o,e):this.at(a,e)}intersectsSphere(t){return!(t.radius<0)&&this.distanceSqToPoint(t.center)<=t.radius*t.radius}distanceToPlane(t){const e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;const i=-(this.origin.dot(t.normal)+t.constant)/e;return i>=0?i:null}intersectPlane(t,e){const i=this.distanceToPlane(t);return null===i?null:this.at(i,e)}intersectsPlane(t){const e=t.distanceToPoint(this.origin);if(0===e)return!0;return t.normal.dot(this.direction)*e<0}intersectBox(t,e){let i,s,r,n,a,o;const h=1/this.direction.x,l=1/this.direction.y,c=1/this.direction.z,u=this.origin;return h>=0?(i=(t.min.x-u.x)*h,s=(t.max.x-u.x)*h):(i=(t.max.x-u.x)*h,s=(t.min.x-u.x)*h),l>=0?(r=(t.min.y-u.y)*l,n=(t.max.y-u.y)*l):(r=(t.max.y-u.y)*l,n=(t.min.y-u.y)*l),i>n||r>s?null:((r>i||isNaN(i))&&(i=r),(n<s||isNaN(s))&&(s=n),c>=0?(a=(t.min.z-u.z)*c,o=(t.max.z-u.z)*c):(a=(t.max.z-u.z)*c,o=(t.min.z-u.z)*c),i>o||a>s?null:((a>i||i!=i)&&(i=a),(o<s||s!=s)&&(s=o),s<0?null:this.at(i>=0?i:s,e)))}intersectsBox(t){return null!==this.intersectBox(t,da)}intersectTriangle(t,e,i,s,r){ga.subVectors(e,t),fa.subVectors(i,t),xa.crossVectors(ga,fa);let n,a=this.direction.dot(xa);if(a>0){if(s)return null;n=1}else{if(!(a<0))return null;n=-1,a=-a}ya.subVectors(this.origin,t);const o=n*this.direction.dot(fa.crossVectors(ya,fa));if(o<0)return null;const h=n*this.direction.dot(ga.cross(ya));if(h<0)return null;if(o+h>a)return null;const l=-n*ya.dot(xa);return l<0?null:this.at(l/a,r)}applyMatrix4(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this}equals(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class va extends Yn{constructor(t){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new Br(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new ar,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}const wa=new Gs,Ma=new ba,Sa=new Pn,_a=new _s,Aa=new _s,Ta=new _s,za=new _s,Ca=new _s,Ia=new _s,ka=new _s,Ba=new _s;class Oa extends Sr{constructor(t=new Dn,e=new va){super(),this.isMesh=!0,this.type="Mesh",this.geometry=t,this.material=e,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.count=1,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),void 0!==t.morphTargetInfluences&&(this.morphTargetInfluences=t.morphTargetInfluences.slice()),void 0!==t.morphTargetDictionary&&(this.morphTargetDictionary=Object.assign({},t.morphTargetDictionary)),this.material=Array.isArray(t.material)?t.material.slice():t.material,this.geometry=t.geometry,this}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const i=t[e[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=i.length;t<e;t++){const e=i[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}getVertexPosition(t,e){const i=this.geometry,s=i.attributes.position,r=i.morphAttributes.position,n=i.morphTargetsRelative;e.fromBufferAttribute(s,t);const a=this.morphTargetInfluences;if(r&&a){Ia.set(0,0,0);for(let i=0,s=r.length;i<s;i++){const s=a[i],o=r[i];0!==s&&(Ca.fromBufferAttribute(o,t),n?Ia.addScaledVector(Ca,s):Ia.addScaledVector(Ca.sub(e),s))}e.add(Ia)}return e}raycast(t,e){const i=this.geometry,s=this.material,r=this.matrixWorld;if(void 0!==s){if(null===i.boundingSphere&&i.computeBoundingSphere(),Sa.copy(i.boundingSphere),Sa.applyMatrix4(r),Ma.copy(t.ray).recast(t.near),!1===Sa.containsPoint(Ma.origin)){if(null===Ma.intersectSphere(Sa,_a))return;if(Ma.origin.distanceToSquared(_a)>(t.far-t.near)**2)return}wa.copy(r).invert(),Ma.copy(t.ray).applyMatrix4(wa),null!==i.boundingBox&&!1===Ma.intersectsBox(i.boundingBox)||this._computeIntersections(t,e,Ma)}}_computeIntersections(t,e,i){let s;const r=this.geometry,n=this.material,a=r.index,o=r.attributes.position,h=r.attributes.uv,l=r.attributes.uv1,c=r.attributes.normal,u=r.groups,d=r.drawRange;if(null!==a)if(Array.isArray(n))for(let r=0,o=u.length;r<o;r++){const o=u[r],p=n[o.materialIndex];for(let r=Math.max(o.start,d.start),n=Math.min(a.count,Math.min(o.start+o.count,d.start+d.count));r<n;r+=3){s=Pa(this,p,t,i,h,l,c,a.getX(r),a.getX(r+1),a.getX(r+2)),s&&(s.faceIndex=Math.floor(r/3),s.face.materialIndex=o.materialIndex,e.push(s))}}else{for(let r=Math.max(0,d.start),o=Math.min(a.count,d.start+d.count);r<o;r+=3){s=Pa(this,n,t,i,h,l,c,a.getX(r),a.getX(r+1),a.getX(r+2)),s&&(s.faceIndex=Math.floor(r/3),e.push(s))}}else if(void 0!==o)if(Array.isArray(n))for(let r=0,a=u.length;r<a;r++){const a=u[r],p=n[a.materialIndex];for(let r=Math.max(a.start,d.start),n=Math.min(o.count,Math.min(a.start+a.count,d.start+d.count));r<n;r+=3){s=Pa(this,p,t,i,h,l,c,r,r+1,r+2),s&&(s.faceIndex=Math.floor(r/3),s.face.materialIndex=a.materialIndex,e.push(s))}}else{for(let r=Math.max(0,d.start),a=Math.min(o.count,d.start+d.count);r<a;r+=3){s=Pa(this,n,t,i,h,l,c,r,r+1,r+2),s&&(s.faceIndex=Math.floor(r/3),e.push(s))}}}}function Pa(t,e,i,s,r,n,a,o,h,l){t.getVertexPosition(o,Aa),t.getVertexPosition(h,Ta),t.getVertexPosition(l,za);const c=function(t,e,i,s,r,n,a,o){let h;if(h=1===e.side?s.intersectTriangle(a,n,r,!0,o):s.intersectTriangle(r,n,a,0===e.side,o),null===h)return null;Ba.copy(o),Ba.applyMatrix4(t.matrixWorld);const l=i.ray.origin.distanceTo(Ba);return l<i.near||l>i.far?null:{distance:l,point:Ba.clone(),object:t}}(t,e,i,s,Aa,Ta,za,ka);if(c){const t=new _s;Zr.getBarycoord(ka,Aa,Ta,za,t),r&&(c.uv=Zr.getInterpolatedAttribute(r,o,h,l,t,new Ms)),n&&(c.uv1=Zr.getInterpolatedAttribute(n,o,h,l,t,new Ms)),a&&(c.normal=Zr.getInterpolatedAttribute(a,o,h,l,t,new _s),c.normal.dot(s.direction)>0&&c.normal.multiplyScalar(-1));const e={a:o,b:h,c:l,normal:new _s,materialIndex:0};Zr.getNormal(Aa,Ta,za,e.normal),c.face=e,c.barycoord=t}return c}const Ra=new _s,Na=new Us,Va=new Us,Ea=new _s,Fa=new Gs,La=new _s,ja=new Pn,Da=new Gs,Wa=new ba;class Ua extends Oa{constructor(t,e){super(t,e),this.isSkinnedMesh=!0,this.type="SkinnedMesh",this.bindMode=at,this.bindMatrix=new Gs,this.bindMatrixInverse=new Gs,this.boundingBox=null,this.boundingSphere=null}computeBoundingBox(){const t=this.geometry;null===this.boundingBox&&(this.boundingBox=new Gr),this.boundingBox.makeEmpty();const e=t.getAttribute("position");for(let t=0;t<e.count;t++)this.getVertexPosition(t,La),this.boundingBox.expandByPoint(La)}computeBoundingSphere(){const t=this.geometry;null===this.boundingSphere&&(this.boundingSphere=new Pn),this.boundingSphere.makeEmpty();const e=t.getAttribute("position");for(let t=0;t<e.count;t++)this.getVertexPosition(t,La),this.boundingSphere.expandByPoint(La)}copy(t,e){return super.copy(t,e),this.bindMode=t.bindMode,this.bindMatrix.copy(t.bindMatrix),this.bindMatrixInverse.copy(t.bindMatrixInverse),this.skeleton=t.skeleton,null!==t.boundingBox&&(this.boundingBox=t.boundingBox.clone()),null!==t.boundingSphere&&(this.boundingSphere=t.boundingSphere.clone()),this}raycast(t,e){const i=this.material,s=this.matrixWorld;void 0!==i&&(null===this.boundingSphere&&this.computeBoundingSphere(),ja.copy(this.boundingSphere),ja.applyMatrix4(s),!1!==t.ray.intersectsSphere(ja)&&(Da.copy(s).invert(),Wa.copy(t.ray).applyMatrix4(Da),null!==this.boundingBox&&!1===Wa.intersectsBox(this.boundingBox)||this._computeIntersections(t,e,Wa)))}getVertexPosition(t,e){return super.getVertexPosition(t,e),this.applyBoneTransform(t,e),e}bind(t,e){this.skeleton=t,void 0===e&&(this.updateMatrixWorld(!0),this.skeleton.calculateInverses(),e=this.matrixWorld),this.bindMatrix.copy(e),this.bindMatrixInverse.copy(e).invert()}pose(){this.skeleton.pose()}normalizeSkinWeights(){const t=new Us,e=this.geometry.attributes.skinWeight;for(let i=0,s=e.count;i<s;i++){t.fromBufferAttribute(e,i);const s=1/t.manhattanLength();s!==1/0?t.multiplyScalar(s):t.set(1,0,0,0),e.setXYZW(i,t.x,t.y,t.z,t.w)}}updateMatrixWorld(t){super.updateMatrixWorld(t),this.bindMode===at?this.bindMatrixInverse.copy(this.matrixWorld).invert():this.bindMode===ot?this.bindMatrixInverse.copy(this.bindMatrix).invert():as("SkinnedMesh: Unrecognized bindMode: "+this.bindMode)}applyBoneTransform(t,e){const i=this.skeleton,s=this.geometry;Na.fromBufferAttribute(s.attributes.skinIndex,t),Va.fromBufferAttribute(s.attributes.skinWeight,t),Ra.copy(e).applyMatrix4(this.bindMatrix),e.set(0,0,0);for(let t=0;t<4;t++){const s=Va.getComponent(t);if(0!==s){const r=Na.getComponent(t);Fa.multiplyMatrices(i.bones[r].matrixWorld,i.boneInverses[r]),e.addScaledVector(Ea.copy(Ra).applyMatrix4(Fa),s)}}return e.applyMatrix4(this.bindMatrixInverse)}}class Ja extends Sr{constructor(){super(),this.isBone=!0,this.type="Bone"}}class qa extends Ws{constructor(t=null,e=1,i=1,s,r,n,a,o,h=1003,l=1003,c,u){super(null,n,a,o,h,l,s,r,c,u),this.isDataTexture=!0,this.image={data:t,width:e,height:i},this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}const Xa=new Gs,Ya=new Gs;class Ha{constructor(t=[],e=[]){this.uuid=ys(),this.bones=t.slice(0),this.boneInverses=e,this.boneMatrices=null,this.previousBoneMatrices=null,this.boneTexture=null,this.init()}init(){const t=this.bones,e=this.boneInverses;if(this.boneMatrices=new Float32Array(16*t.length),0===e.length)this.calculateInverses();else if(t.length!==e.length){as("Skeleton: Number of inverse bone matrices does not match amount of bones."),this.boneInverses=[];for(let t=0,e=this.bones.length;t<e;t++)this.boneInverses.push(new Gs)}}calculateInverses(){this.boneInverses.length=0;for(let t=0,e=this.bones.length;t<e;t++){const e=new Gs;this.bones[t]&&e.copy(this.bones[t].matrixWorld).invert(),this.boneInverses.push(e)}}pose(){for(let t=0,e=this.bones.length;t<e;t++){const e=this.bones[t];e&&e.matrixWorld.copy(this.boneInverses[t]).invert()}for(let t=0,e=this.bones.length;t<e;t++){const e=this.bones[t];e&&(e.parent&&e.parent.isBone?(e.matrix.copy(e.parent.matrixWorld).invert(),e.matrix.multiply(e.matrixWorld)):e.matrix.copy(e.matrixWorld),e.matrix.decompose(e.position,e.quaternion,e.scale))}}update(){const t=this.bones,e=this.boneInverses,i=this.boneMatrices,s=this.boneTexture;for(let s=0,r=t.length;s<r;s++){const r=t[s]?t[s].matrixWorld:Ya;Xa.multiplyMatrices(r,e[s]),Xa.toArray(i,16*s)}null!==s&&(s.needsUpdate=!0)}clone(){return new Ha(this.bones,this.boneInverses)}computeBoneTexture(){let t=Math.sqrt(4*this.bones.length);t=4*Math.ceil(t/4),t=Math.max(t,4);const e=new Float32Array(t*t*4);e.set(this.boneMatrices);const i=new qa(e,t,t,Wt,Pt);return i.needsUpdate=!0,this.boneMatrices=e,this.boneTexture=i,this}getBoneByName(t){for(let e=0,i=this.bones.length;e<i;e++){const i=this.bones[e];if(i.name===t)return i}}dispose(){null!==this.boneTexture&&(this.boneTexture.dispose(),this.boneTexture=null)}fromJSON(t,e){this.uuid=t.uuid;for(let i=0,s=t.bones.length;i<s;i++){const s=t.bones[i];let r=e[s];void 0===r&&(as("Skeleton: No bone found with UUID:",s),r=new Ja),this.bones.push(r),this.boneInverses.push((new Gs).fromArray(t.boneInverses[i]))}return this.init(),this}toJSON(){const t={metadata:{version:4.7,type:"Skeleton",generator:"Skeleton.toJSON"},bones:[],boneInverses:[]};t.uuid=this.uuid;const e=this.bones,i=this.boneInverses;for(let s=0,r=e.length;s<r;s++){const r=e[s];t.bones.push(r.uuid);const n=i[s];t.boneInverses.push(n.toArray())}return t}}class Za extends vn{constructor(t,e,i,s=1){super(t,e,i),this.isInstancedBufferAttribute=!0,this.meshPerAttribute=s}copy(t){return super.copy(t),this.meshPerAttribute=t.meshPerAttribute,this}toJSON(){const t=super.toJSON();return t.meshPerAttribute=this.meshPerAttribute,t.isInstancedBufferAttribute=!0,t}}const Ga=new Gs,$a=new Gs,Qa=[],Ka=new Gr,to=new Gs,eo=new Oa,io=new Pn;class so extends Oa{constructor(t,e,i){super(t,e),this.isInstancedMesh=!0,this.instanceMatrix=new Za(new Float32Array(16*i),16),this.previousInstanceMatrix=null,this.instanceColor=null,this.morphTexture=null,this.count=i,this.boundingBox=null,this.boundingSphere=null;for(let t=0;t<i;t++)this.setMatrixAt(t,to)}computeBoundingBox(){const t=this.geometry,e=this.count;null===this.boundingBox&&(this.boundingBox=new Gr),null===t.boundingBox&&t.computeBoundingBox(),this.boundingBox.makeEmpty();for(let i=0;i<e;i++)this.getMatrixAt(i,Ga),Ka.copy(t.boundingBox).applyMatrix4(Ga),this.boundingBox.union(Ka)}computeBoundingSphere(){const t=this.geometry,e=this.count;null===this.boundingSphere&&(this.boundingSphere=new Pn),null===t.boundingSphere&&t.computeBoundingSphere(),this.boundingSphere.makeEmpty();for(let i=0;i<e;i++)this.getMatrixAt(i,Ga),io.copy(t.boundingSphere).applyMatrix4(Ga),this.boundingSphere.union(io)}copy(t,e){return super.copy(t,e),this.instanceMatrix.copy(t.instanceMatrix),null!==t.previousInstanceMatrix&&(this.previousInstanceMatrix=t.previousInstanceMatrix.clone()),null!==t.morphTexture&&(this.morphTexture=t.morphTexture.clone()),null!==t.instanceColor&&(this.instanceColor=t.instanceColor.clone()),this.count=t.count,null!==t.boundingBox&&(this.boundingBox=t.boundingBox.clone()),null!==t.boundingSphere&&(this.boundingSphere=t.boundingSphere.clone()),this}getColorAt(t,e){e.fromArray(this.instanceColor.array,3*t)}getMatrixAt(t,e){e.fromArray(this.instanceMatrix.array,16*t)}getMorphAt(t,e){const i=e.morphTargetInfluences,s=this.morphTexture.source.data.data,r=t*(i.length+1)+1;for(let t=0;t<i.length;t++)i[t]=s[r+t]}raycast(t,e){const i=this.matrixWorld,s=this.count;if(eo.geometry=this.geometry,eo.material=this.material,void 0!==eo.material&&(null===this.boundingSphere&&this.computeBoundingSphere(),io.copy(this.boundingSphere),io.applyMatrix4(i),!1!==t.ray.intersectsSphere(io)))for(let r=0;r<s;r++){this.getMatrixAt(r,Ga),$a.multiplyMatrices(i,Ga),eo.matrixWorld=$a,eo.raycast(t,Qa);for(let t=0,i=Qa.length;t<i;t++){const i=Qa[t];i.instanceId=r,i.object=this,e.push(i)}Qa.length=0}}setColorAt(t,e){null===this.instanceColor&&(this.instanceColor=new Za(new Float32Array(3*this.instanceMatrix.count).fill(1),3)),e.toArray(this.instanceColor.array,3*t)}setMatrixAt(t,e){e.toArray(this.instanceMatrix.array,16*t)}setMorphAt(t,e){const i=e.morphTargetInfluences,s=i.length+1;null===this.morphTexture&&(this.morphTexture=new qa(new Float32Array(s*this.count),s,this.count,qt,Pt));const r=this.morphTexture.source.data.data;let n=0;for(let t=0;t<i.length;t++)n+=i[t];const a=this.geometry.morphTargetsRelative?1:1-n,o=s*t;r[o]=a,r.set(i,o+1)}updateMorphTargets(){}dispose(){this.dispatchEvent({type:"dispose"}),null!==this.morphTexture&&(this.morphTexture.dispose(),this.morphTexture=null)}}const ro=new _s,no=new _s,ao=new zs;class oo{constructor(t=new _s(1,0,0),e=0){this.isPlane=!0,this.normal=t,this.constant=e}set(t,e){return this.normal.copy(t),this.constant=e,this}setComponents(t,e,i,s){return this.normal.set(t,e,i),this.constant=s,this}setFromNormalAndCoplanarPoint(t,e){return this.normal.copy(t),this.constant=-e.dot(this.normal),this}setFromCoplanarPoints(t,e,i){const s=ro.subVectors(i,e).cross(no.subVectors(t,e)).normalize();return this.setFromNormalAndCoplanarPoint(s,t),this}copy(t){return this.normal.copy(t.normal),this.constant=t.constant,this}normalize(){const t=1/this.normal.length();return this.normal.multiplyScalar(t),this.constant*=t,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(t){return this.normal.dot(t)+this.constant}distanceToSphere(t){return this.distanceToPoint(t.center)-t.radius}projectPoint(t,e){return e.copy(t).addScaledVector(this.normal,-this.distanceToPoint(t))}intersectLine(t,e){const i=t.delta(ro),s=this.normal.dot(i);if(0===s)return 0===this.distanceToPoint(t.start)?e.copy(t.start):null;const r=-(t.start.dot(this.normal)+this.constant)/s;return r<0||r>1?null:e.copy(t.start).addScaledVector(i,r)}intersectsLine(t){const e=this.distanceToPoint(t.start),i=this.distanceToPoint(t.end);return e<0&&i>0||i<0&&e>0}intersectsBox(t){return t.intersectsPlane(this)}intersectsSphere(t){return t.intersectsPlane(this)}coplanarPoint(t){return t.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(t,e){const i=e||ao.getNormalMatrix(t),s=this.coplanarPoint(ro).applyMatrix4(t),r=this.normal.applyMatrix3(i).normalize();return this.constant=-s.dot(r),this}translate(t){return this.constant-=t.dot(this.normal),this}equals(t){return t.normal.equals(this.normal)&&t.constant===this.constant}clone(){return(new this.constructor).copy(this)}}const ho=new Pn,lo=new Ms(.5,.5),co=new _s;class uo{constructor(t=new oo,e=new oo,i=new oo,s=new oo,r=new oo,n=new oo){this.planes=[t,e,i,s,r,n]}set(t,e,i,s,r,n){const a=this.planes;return a[0].copy(t),a[1].copy(e),a[2].copy(i),a[3].copy(s),a[4].copy(r),a[5].copy(n),this}copy(t){const e=this.planes;for(let i=0;i<6;i++)e[i].copy(t.planes[i]);return this}setFromProjectionMatrix(t,e=2e3,i=!1){const s=this.planes,r=t.elements,n=r[0],a=r[1],o=r[2],h=r[3],l=r[4],c=r[5],u=r[6],d=r[7],p=r[8],m=r[9],y=r[10],g=r[11],f=r[12],x=r[13],b=r[14],v=r[15];if(s[0].setComponents(h-n,d-l,g-p,v-f).normalize(),s[1].setComponents(h+n,d+l,g+p,v+f).normalize(),s[2].setComponents(h+a,d+c,g+m,v+x).normalize(),s[3].setComponents(h-a,d-c,g-m,v-x).normalize(),i)s[4].setComponents(o,u,y,b).normalize(),s[5].setComponents(h-o,d-u,g-y,v-b).normalize();else if(s[4].setComponents(h-o,d-u,g-y,v-b).normalize(),e===Ui)s[5].setComponents(h+o,d+u,g+y,v+b).normalize();else{if(e!==Ji)throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+e);s[5].setComponents(o,u,y,b).normalize()}return this}intersectsObject(t){if(void 0!==t.boundingSphere)null===t.boundingSphere&&t.computeBoundingSphere(),ho.copy(t.boundingSphere).applyMatrix4(t.matrixWorld);else{const e=t.geometry;null===e.boundingSphere&&e.computeBoundingSphere(),ho.copy(e.boundingSphere).applyMatrix4(t.matrixWorld)}return this.intersectsSphere(ho)}intersectsSprite(t){ho.center.set(0,0,0);const e=lo.distanceTo(t.center);return ho.radius=.7071067811865476+e,ho.applyMatrix4(t.matrixWorld),this.intersectsSphere(ho)}intersectsSphere(t){const e=this.planes,i=t.center,s=-t.radius;for(let t=0;t<6;t++){if(e[t].distanceToPoint(i)<s)return!1}return!0}intersectsBox(t){const e=this.planes;for(let i=0;i<6;i++){const s=e[i];if(co.x=s.normal.x>0?t.max.x:t.min.x,co.y=s.normal.y>0?t.max.y:t.min.y,co.z=s.normal.z>0?t.max.z:t.min.z,s.distanceToPoint(co)<0)return!1}return!0}containsPoint(t){const e=this.planes;for(let i=0;i<6;i++)if(e[i].distanceToPoint(t)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}const po=new Gs,mo=new uo;class yo{constructor(){this.coordinateSystem=Ui}intersectsObject(t,e){if(!e.isArrayCamera||0===e.cameras.length)return!1;for(let i=0;i<e.cameras.length;i++){const s=e.cameras[i];if(po.multiplyMatrices(s.projectionMatrix,s.matrixWorldInverse),mo.setFromProjectionMatrix(po,s.coordinateSystem,s.reversedDepth),mo.intersectsObject(t))return!0}return!1}intersectsSprite(t,e){if(!e||!e.cameras||0===e.cameras.length)return!1;for(let i=0;i<e.cameras.length;i++){const s=e.cameras[i];if(po.multiplyMatrices(s.projectionMatrix,s.matrixWorldInverse),mo.setFromProjectionMatrix(po,s.coordinateSystem,s.reversedDepth),mo.intersectsSprite(t))return!0}return!1}intersectsSphere(t,e){if(!e||!e.cameras||0===e.cameras.length)return!1;for(let i=0;i<e.cameras.length;i++){const s=e.cameras[i];if(po.multiplyMatrices(s.projectionMatrix,s.matrixWorldInverse),mo.setFromProjectionMatrix(po,s.coordinateSystem,s.reversedDepth),mo.intersectsSphere(t))return!0}return!1}intersectsBox(t,e){if(!e||!e.cameras||0===e.cameras.length)return!1;for(let i=0;i<e.cameras.length;i++){const s=e.cameras[i];if(po.multiplyMatrices(s.projectionMatrix,s.matrixWorldInverse),mo.setFromProjectionMatrix(po,s.coordinateSystem,s.reversedDepth),mo.intersectsBox(t))return!0}return!1}containsPoint(t,e){if(!e||!e.cameras||0===e.cameras.length)return!1;for(let i=0;i<e.cameras.length;i++){const s=e.cameras[i];if(po.multiplyMatrices(s.projectionMatrix,s.matrixWorldInverse),mo.setFromProjectionMatrix(po,s.coordinateSystem,s.reversedDepth),mo.containsPoint(t))return!0}return!1}clone(){return new yo}}function go(t,e){return t-e}function fo(t,e){return t.z-e.z}function xo(t,e){return e.z-t.z}class bo{constructor(){this.index=0,this.pool=[],this.list=[]}push(t,e,i,s){const r=this.pool,n=this.list;this.index>=r.length&&r.push({start:-1,count:-1,z:-1,index:-1});const a=r[this.index];n.push(a),this.index++,a.start=t,a.count=e,a.z=i,a.index=s}reset(){this.list.length=0,this.index=0}}const vo=new Gs,wo=new Br(1,1,1),Mo=new uo,So=new yo,_o=new Gr,Ao=new Pn,To=new _s,zo=new _s,Co=new _s,Io=new bo,ko=new Oa,Bo=[];function Oo(t,e,i=0){const s=e.itemSize;if(t.isInterleavedBufferAttribute||t.array.constructor!==e.array.constructor){const r=t.count;for(let n=0;n<r;n++)for(let r=0;r<s;r++)e.setComponent(n+i,r,t.getComponent(n,r))}else e.array.set(t.array,i*s);e.needsUpdate=!0}function Po(t,e){if(t.constructor!==e.constructor){const i=Math.min(t.length,e.length);for(let s=0;s<i;s++)e[s]=t[s]}else{const i=Math.min(t.length,e.length);e.set(new t.constructor(t.buffer,0,i))}}class Ro extends Oa{constructor(t,e,i=2*e,s){super(new Dn,s),this.isBatchedMesh=!0,this.perObjectFrustumCulled=!0,this.sortObjects=!0,this.boundingBox=null,this.boundingSphere=null,this.customSort=null,this._instanceInfo=[],this._geometryInfo=[],this._availableInstanceIds=[],this._availableGeometryIds=[],this._nextIndexStart=0,this._nextVertexStart=0,this._geometryCount=0,this._visibilityChanged=!0,this._geometryInitialized=!1,this._maxInstanceCount=t,this._maxVertexCount=e,this._maxIndexCount=i,this._multiDrawCounts=new Int32Array(t),this._multiDrawStarts=new Int32Array(t),this._multiDrawCount=0,this._multiDrawInstances=null,this._matricesTexture=null,this._indirectTexture=null,this._colorsTexture=null,this._initMatricesTexture(),this._initIndirectTexture()}get maxInstanceCount(){return this._maxInstanceCount}get instanceCount(){return this._instanceInfo.length-this._availableInstanceIds.length}get unusedVertexCount(){return this._maxVertexCount-this._nextVertexStart}get unusedIndexCount(){return this._maxIndexCount-this._nextIndexStart}_initMatricesTexture(){let t=Math.sqrt(4*this._maxInstanceCount);t=4*Math.ceil(t/4),t=Math.max(t,4);const e=new Float32Array(t*t*4),i=new qa(e,t,t,Wt,Pt);this._matricesTexture=i}_initIndirectTexture(){let t=Math.sqrt(this._maxInstanceCount);t=Math.ceil(t);const e=new Uint32Array(t*t),i=new qa(e,t,t,Xt,Ot);this._indirectTexture=i}_initColorsTexture(){let t=Math.sqrt(this._maxInstanceCount);t=Math.ceil(t);const e=new Float32Array(t*t*4).fill(1),i=new qa(e,t,t,Wt,Pt);i.colorSpace=Os.workingColorSpace,this._colorsTexture=i}_initializeGeometry(t){const e=this.geometry,i=this._maxVertexCount,s=this._maxIndexCount;if(!1===this._geometryInitialized){for(const s in t.attributes){const r=t.getAttribute(s),{array:n,itemSize:a,normalized:o}=r,h=new n.constructor(i*a),l=new vn(h,a,o);e.setAttribute(s,l)}if(null!==t.getIndex()){const t=i>65535?new Uint32Array(s):new Uint16Array(s);e.setIndex(new vn(t,1))}this._geometryInitialized=!0}}_validateGeometry(t){const e=this.geometry;if(Boolean(t.getIndex())!==Boolean(e.getIndex()))throw new Error('THREE.BatchedMesh: All geometries must consistently have "index".');for(const i in e.attributes){if(!t.hasAttribute(i))throw new Error(`THREE.BatchedMesh: Added geometry missing "${i}". All geometries must have consistent attributes.`);const s=t.getAttribute(i),r=e.getAttribute(i);if(s.itemSize!==r.itemSize||s.normalized!==r.normalized)throw new Error("THREE.BatchedMesh: All attributes must have a consistent itemSize and normalized value.")}}validateInstanceId(t){const e=this._instanceInfo;if(t<0||t>=e.length||!1===e[t].active)throw new Error(`THREE.BatchedMesh: Invalid instanceId ${t}. Instance is either out of range or has been deleted.`)}validateGeometryId(t){const e=this._geometryInfo;if(t<0||t>=e.length||!1===e[t].active)throw new Error(`THREE.BatchedMesh: Invalid geometryId ${t}. Geometry is either out of range or has been deleted.`)}setCustomSort(t){return this.customSort=t,this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new Gr);const t=this.boundingBox,e=this._instanceInfo;t.makeEmpty();for(let i=0,s=e.length;i<s;i++){if(!1===e[i].active)continue;const s=e[i].geometryIndex;this.getMatrixAt(i,vo),this.getBoundingBoxAt(s,_o).applyMatrix4(vo),t.union(_o)}}computeBoundingSphere(){null===this.boundingSphere&&(this.boundingSphere=new Pn);const t=this.boundingSphere,e=this._instanceInfo;t.makeEmpty();for(let i=0,s=e.length;i<s;i++){if(!1===e[i].active)continue;const s=e[i].geometryIndex;this.getMatrixAt(i,vo),this.getBoundingSphereAt(s,Ao).applyMatrix4(vo),t.union(Ao)}}addInstance(t){if(this._instanceInfo.length>=this.maxInstanceCount&&0===this._availableInstanceIds.length)throw new Error("THREE.BatchedMesh: Maximum item count reached.");const e={visible:!0,active:!0,geometryIndex:t};let i=null;this._availableInstanceIds.length>0?(this._availableInstanceIds.sort(go),i=this._availableInstanceIds.shift(),this._instanceInfo[i]=e):(i=this._instanceInfo.length,this._instanceInfo.push(e));const s=this._matricesTexture;vo.identity().toArray(s.image.data,16*i),s.needsUpdate=!0;const r=this._colorsTexture;return r&&(wo.toArray(r.image.data,4*i),r.needsUpdate=!0),this._visibilityChanged=!0,i}addGeometry(t,e=-1,i=-1){this._initializeGeometry(t),this._validateGeometry(t);const s={vertexStart:-1,vertexCount:-1,reservedVertexCount:-1,indexStart:-1,indexCount:-1,reservedIndexCount:-1,start:-1,count:-1,boundingBox:null,boundingSphere:null,active:!0},r=this._geometryInfo;s.vertexStart=this._nextVertexStart,s.reservedVertexCount=-1===e?t.getAttribute("position").count:e;const n=t.getIndex();if(null!==n&&(s.indexStart=this._nextIndexStart,s.reservedIndexCount=-1===i?n.count:i),-1!==s.indexStart&&s.indexStart+s.reservedIndexCount>this._maxIndexCount||s.vertexStart+s.reservedVertexCount>this._maxVertexCount)throw new Error("THREE.BatchedMesh: Reserved space request exceeds the maximum buffer size.");let a;return this._availableGeometryIds.length>0?(this._availableGeometryIds.sort(go),a=this._availableGeometryIds.shift(),r[a]=s):(a=this._geometryCount,this._geometryCount++,r.push(s)),this.setGeometryAt(a,t),this._nextIndexStart=s.indexStart+s.reservedIndexCount,this._nextVertexStart=s.vertexStart+s.reservedVertexCount,a}setGeometryAt(t,e){if(t>=this._geometryCount)throw new Error("THREE.BatchedMesh: Maximum geometry count reached.");this._validateGeometry(e);const i=this.geometry,s=null!==i.getIndex(),r=i.getIndex(),n=e.getIndex(),a=this._geometryInfo[t];if(s&&n.count>a.reservedIndexCount||e.attributes.position.count>a.reservedVertexCount)throw new Error("THREE.BatchedMesh: Reserved space not large enough for provided geometry.");const o=a.vertexStart,h=a.reservedVertexCount;a.vertexCount=e.getAttribute("position").count;for(const t in i.attributes){const s=e.getAttribute(t),r=i.getAttribute(t);Oo(s,r,o);const n=s.itemSize;for(let t=s.count,e=h;t<e;t++){const e=o+t;for(let t=0;t<n;t++)r.setComponent(e,t,0)}r.needsUpdate=!0,r.addUpdateRange(o*n,h*n)}if(s){const t=a.indexStart,i=a.reservedIndexCount;a.indexCount=e.getIndex().count;for(let e=0;e<n.count;e++)r.setX(t+e,o+n.getX(e));for(let e=n.count,s=i;e<s;e++)r.setX(t+e,o);r.needsUpdate=!0,r.addUpdateRange(t,a.reservedIndexCount)}return a.start=s?a.indexStart:a.vertexStart,a.count=s?a.indexCount:a.vertexCount,a.boundingBox=null,null!==e.boundingBox&&(a.boundingBox=e.boundingBox.clone()),a.boundingSphere=null,null!==e.boundingSphere&&(a.boundingSphere=e.boundingSphere.clone()),this._visibilityChanged=!0,t}deleteGeometry(t){const e=this._geometryInfo;if(t>=e.length||!1===e[t].active)return this;const i=this._instanceInfo;for(let e=0,s=i.length;e<s;e++)i[e].active&&i[e].geometryIndex===t&&this.deleteInstance(e);return e[t].active=!1,this._availableGeometryIds.push(t),this._visibilityChanged=!0,this}deleteInstance(t){return this.validateInstanceId(t),this._instanceInfo[t].active=!1,this._availableInstanceIds.push(t),this._visibilityChanged=!0,this}optimize(){let t=0,e=0;const i=this._geometryInfo,s=i.map((t,e)=>e).sort((t,e)=>i[t].vertexStart-i[e].vertexStart),r=this.geometry;for(let n=0,a=i.length;n<a;n++){const a=s[n],o=i[a];if(!1!==o.active){if(null!==r.index){if(o.indexStart!==e){const{indexStart:i,vertexStart:s,reservedIndexCount:n}=o,a=r.index,h=a.array,l=t-s;for(let t=i;t<i+n;t++)h[t]=h[t]+l;a.array.copyWithin(e,i,i+n),a.addUpdateRange(e,n),a.needsUpdate=!0,o.indexStart=e}e+=o.reservedIndexCount}if(o.vertexStart!==t){const{vertexStart:e,reservedVertexCount:i}=o,s=r.attributes;for(const r in s){const n=s[r],{array:a,itemSize:o}=n;a.copyWithin(t*o,e*o,(e+i)*o),n.addUpdateRange(t*o,i*o),n.needsUpdate=!0}o.vertexStart=t}t+=o.reservedVertexCount,o.start=r.index?o.indexStart:o.vertexStart}}return this._nextIndexStart=e,this._nextVertexStart=t,this._visibilityChanged=!0,this}getBoundingBoxAt(t,e){if(t>=this._geometryCount)return null;const i=this.geometry,s=this._geometryInfo[t];if(null===s.boundingBox){const t=new Gr,e=i.index,r=i.attributes.position;for(let i=s.start,n=s.start+s.count;i<n;i++){let s=i;e&&(s=e.getX(s)),t.expandByPoint(To.fromBufferAttribute(r,s))}s.boundingBox=t}return e.copy(s.boundingBox),e}getBoundingSphereAt(t,e){if(t>=this._geometryCount)return null;const i=this.geometry,s=this._geometryInfo[t];if(null===s.boundingSphere){const e=new Pn;this.getBoundingBoxAt(t,_o),_o.getCenter(e.center);const r=i.index,n=i.attributes.position;let a=0;for(let t=s.start,i=s.start+s.count;t<i;t++){let i=t;r&&(i=r.getX(i)),To.fromBufferAttribute(n,i),a=Math.max(a,e.center.distanceToSquared(To))}e.radius=Math.sqrt(a),s.boundingSphere=e}return e.copy(s.boundingSphere),e}setMatrixAt(t,e){this.validateInstanceId(t);const i=this._matricesTexture,s=this._matricesTexture.image.data;return e.toArray(s,16*t),i.needsUpdate=!0,this}getMatrixAt(t,e){return this.validateInstanceId(t),e.fromArray(this._matricesTexture.image.data,16*t)}setColorAt(t,e){return this.validateInstanceId(t),null===this._colorsTexture&&this._initColorsTexture(),e.toArray(this._colorsTexture.image.data,4*t),this._colorsTexture.needsUpdate=!0,this}getColorAt(t,e){return this.validateInstanceId(t),e.fromArray(this._colorsTexture.image.data,4*t)}setVisibleAt(t,e){return this.validateInstanceId(t),this._instanceInfo[t].visible===e||(this._instanceInfo[t].visible=e,this._visibilityChanged=!0),this}getVisibleAt(t){return this.validateInstanceId(t),this._instanceInfo[t].visible}setGeometryIdAt(t,e){return this.validateInstanceId(t),this.validateGeometryId(e),this._instanceInfo[t].geometryIndex=e,this}getGeometryIdAt(t){return this.validateInstanceId(t),this._instanceInfo[t].geometryIndex}getGeometryRangeAt(t,e={}){this.validateGeometryId(t);const i=this._geometryInfo[t];return e.vertexStart=i.vertexStart,e.vertexCount=i.vertexCount,e.reservedVertexCount=i.reservedVertexCount,e.indexStart=i.indexStart,e.indexCount=i.indexCount,e.reservedIndexCount=i.reservedIndexCount,e.start=i.start,e.count=i.count,e}setInstanceCount(t){const e=this._availableInstanceIds,i=this._instanceInfo;for(e.sort(go);e[e.length-1]===i.length-1;)i.pop(),e.pop();if(t<i.length)throw new Error(`BatchedMesh: Instance ids outside the range ${t} are being used. Cannot shrink instance count.`);const s=new Int32Array(t),r=new Int32Array(t);Po(this._multiDrawCounts,s),Po(this._multiDrawStarts,r),this._multiDrawCounts=s,this._multiDrawStarts=r,this._maxInstanceCount=t;const n=this._indirectTexture,a=this._matricesTexture,o=this._colorsTexture;n.dispose(),this._initIndirectTexture(),Po(n.image.data,this._indirectTexture.image.data),a.dispose(),this._initMatricesTexture(),Po(a.image.data,this._matricesTexture.image.data),o&&(o.dispose(),this._initColorsTexture(),Po(o.image.data,this._colorsTexture.image.data))}setGeometrySize(t,e){const i=[...this._geometryInfo].filter(t=>t.active);if(Math.max(...i.map(t=>t.vertexStart+t.reservedVertexCount))>t)throw new Error(`BatchedMesh: Geometry vertex values are being used outside the range ${e}. Cannot shrink further.`);if(this.geometry.index){if(Math.max(...i.map(t=>t.indexStart+t.reservedIndexCount))>e)throw new Error(`BatchedMesh: Geometry index values are being used outside the range ${e}. Cannot shrink further.`)}const s=this.geometry;s.dispose(),this._maxVertexCount=t,this._maxIndexCount=e,this._geometryInitialized&&(this._geometryInitialized=!1,this.geometry=new Dn,this._initializeGeometry(s));const r=this.geometry;s.index&&Po(s.index.array,r.index.array);for(const t in s.attributes)Po(s.attributes[t].array,r.attributes[t].array)}raycast(t,e){const i=this._instanceInfo,s=this._geometryInfo,r=this.matrixWorld,n=this.geometry;ko.material=this.material,ko.geometry.index=n.index,ko.geometry.attributes=n.attributes,null===ko.geometry.boundingBox&&(ko.geometry.boundingBox=new Gr),null===ko.geometry.boundingSphere&&(ko.geometry.boundingSphere=new Pn);for(let n=0,a=i.length;n<a;n++){if(!i[n].visible||!i[n].active)continue;const a=i[n].geometryIndex,o=s[a];ko.geometry.setDrawRange(o.start,o.count),this.getMatrixAt(n,ko.matrixWorld).premultiply(r),this.getBoundingBoxAt(a,ko.geometry.boundingBox),this.getBoundingSphereAt(a,ko.geometry.boundingSphere),ko.raycast(t,Bo);for(let t=0,i=Bo.length;t<i;t++){const i=Bo[t];i.object=this,i.batchId=n,e.push(i)}Bo.length=0}ko.material=null,ko.geometry.index=null,ko.geometry.attributes={},ko.geometry.setDrawRange(0,1/0)}copy(t){return super.copy(t),this.geometry=t.geometry.clone(),this.perObjectFrustumCulled=t.perObjectFrustumCulled,this.sortObjects=t.sortObjects,this.boundingBox=null!==t.boundingBox?t.boundingBox.clone():null,this.boundingSphere=null!==t.boundingSphere?t.boundingSphere.clone():null,this._geometryInfo=t._geometryInfo.map(t=>({...t,boundingBox:null!==t.boundingBox?t.boundingBox.clone():null,boundingSphere:null!==t.boundingSphere?t.boundingSphere.clone():null})),this._instanceInfo=t._instanceInfo.map(t=>({...t})),this._availableInstanceIds=t._availableInstanceIds.slice(),this._availableGeometryIds=t._availableGeometryIds.slice(),this._nextIndexStart=t._nextIndexStart,this._nextVertexStart=t._nextVertexStart,this._geometryCount=t._geometryCount,this._maxInstanceCount=t._maxInstanceCount,this._maxVertexCount=t._maxVertexCount,this._maxIndexCount=t._maxIndexCount,this._geometryInitialized=t._geometryInitialized,this._multiDrawCounts=t._multiDrawCounts.slice(),this._multiDrawStarts=t._multiDrawStarts.slice(),this._indirectTexture=t._indirectTexture.clone(),this._indirectTexture.image.data=this._indirectTexture.image.data.slice(),this._matricesTexture=t._matricesTexture.clone(),this._matricesTexture.image.data=this._matricesTexture.image.data.slice(),null!==this._colorsTexture&&(this._colorsTexture=t._colorsTexture.clone(),this._colorsTexture.image.data=this._colorsTexture.image.data.slice()),this}dispose(){this.geometry.dispose(),this._matricesTexture.dispose(),this._matricesTexture=null,this._indirectTexture.dispose(),this._indirectTexture=null,null!==this._colorsTexture&&(this._colorsTexture.dispose(),this._colorsTexture=null)}onBeforeRender(t,e,i,s,r){if(!this._visibilityChanged&&!this.perObjectFrustumCulled&&!this.sortObjects)return;const n=s.getIndex();let a=null===n?1:n.array.BYTES_PER_ELEMENT,o=1;r.wireframe&&(o=2,a=s.attributes.position.count>65535?4:2);const h=this._instanceInfo,l=this._multiDrawStarts,c=this._multiDrawCounts,u=this._geometryInfo,d=this.perObjectFrustumCulled,p=this._indirectTexture,m=p.image.data,y=i.isArrayCamera?So:Mo;d&&!i.isArrayCamera&&(vo.multiplyMatrices(i.projectionMatrix,i.matrixWorldInverse).multiply(this.matrixWorld),Mo.setFromProjectionMatrix(vo,i.coordinateSystem,i.reversedDepth));let g=0;if(this.sortObjects){vo.copy(this.matrixWorld).invert(),To.setFromMatrixPosition(i.matrixWorld).applyMatrix4(vo),zo.set(0,0,-1).transformDirection(i.matrixWorld).transformDirection(vo);for(let t=0,e=h.length;t<e;t++)if(h[t].visible&&h[t].active){const e=h[t].geometryIndex;this.getMatrixAt(t,vo),this.getBoundingSphereAt(e,Ao).applyMatrix4(vo);let s=!1;if(d&&(s=!y.intersectsSphere(Ao,i)),!s){const i=u[e],s=Co.subVectors(Ao.center,To).dot(zo);Io.push(i.start,i.count,s,t)}}const t=Io.list,e=this.customSort;null===e?t.sort(r.transparent?xo:fo):e.call(this,t,i);for(let e=0,i=t.length;e<i;e++){const i=t[e];l[g]=i.start*a*o,c[g]=i.count*o,m[g]=i.index,g++}Io.reset()}else for(let t=0,e=h.length;t<e;t++)if(h[t].visible&&h[t].active){const e=h[t].geometryIndex;let s=!1;if(d&&(this.getMatrixAt(t,vo),this.getBoundingSphereAt(e,Ao).applyMatrix4(vo),s=!y.intersectsSphere(Ao,i)),!s){const i=u[e];l[g]=i.start*a*o,c[g]=i.count*o,m[g]=t,g++}}p.needsUpdate=!0,this._multiDrawCount=g,this._visibilityChanged=!1}onBeforeShadow(t,e,i,s,r,n){this.onBeforeRender(t,null,s,r,n)}}class No extends Yn{constructor(t){super(),this.isLineBasicMaterial=!0,this.type="LineBasicMaterial",this.color=new Br(16777215),this.map=null,this.linewidth=1,this.linecap="round",this.linejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.linewidth=t.linewidth,this.linecap=t.linecap,this.linejoin=t.linejoin,this.fog=t.fog,this}}const Vo=new _s,Eo=new _s,Fo=new Gs,Lo=new ba,jo=new Pn,Do=new _s,Wo=new _s;class Uo extends Sr{constructor(t=new Dn,e=new No){super(),this.isLine=!0,this.type="Line",this.geometry=t,this.material=e,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),this.material=Array.isArray(t.material)?t.material.slice():t.material,this.geometry=t.geometry,this}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,i=[0];for(let t=1,s=e.count;t<s;t++)Vo.fromBufferAttribute(e,t-1),Eo.fromBufferAttribute(e,t),i[t]=i[t-1],i[t]+=Vo.distanceTo(Eo);t.setAttribute("lineDistance",new In(i,1))}else as("Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}raycast(t,e){const i=this.geometry,s=this.matrixWorld,r=t.params.Line.threshold,n=i.drawRange;if(null===i.boundingSphere&&i.computeBoundingSphere(),jo.copy(i.boundingSphere),jo.applyMatrix4(s),jo.radius+=r,!1===t.ray.intersectsSphere(jo))return;Fo.copy(s).invert(),Lo.copy(t.ray).applyMatrix4(Fo);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a,h=this.isLineSegments?2:1,l=i.index,c=i.attributes.position;if(null!==l){const i=Math.max(0,n.start),s=Math.min(l.count,n.start+n.count);for(let r=i,n=s-1;r<n;r+=h){const i=l.getX(r),s=l.getX(r+1),n=Jo(this,t,Lo,o,i,s,r);n&&e.push(n)}if(this.isLineLoop){const r=l.getX(s-1),n=l.getX(i),a=Jo(this,t,Lo,o,r,n,s-1);a&&e.push(a)}}else{const i=Math.max(0,n.start),s=Math.min(c.count,n.start+n.count);for(let r=i,n=s-1;r<n;r+=h){const i=Jo(this,t,Lo,o,r,r+1,r);i&&e.push(i)}if(this.isLineLoop){const r=Jo(this,t,Lo,o,s-1,i,s-1);r&&e.push(r)}}}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const i=t[e[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=i.length;t<e;t++){const e=i[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}}function Jo(t,e,i,s,r,n,a){const o=t.geometry.attributes.position;Vo.fromBufferAttribute(o,r),Eo.fromBufferAttribute(o,n);if(i.distanceSqToSegment(Vo,Eo,Do,Wo)>s)return;Do.applyMatrix4(t.matrixWorld);const h=e.ray.origin.distanceTo(Do);return h<e.near||h>e.far?void 0:{distance:h,point:Wo.clone().applyMatrix4(t.matrixWorld),index:a,face:null,faceIndex:null,barycoord:null,object:t}}const qo=new _s,Xo=new _s;class Yo extends Uo{constructor(t,e){super(t,e),this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,i=[];for(let t=0,s=e.count;t<s;t+=2)qo.fromBufferAttribute(e,t),Xo.fromBufferAttribute(e,t+1),i[t]=0===t?0:i[t-1],i[t+1]=i[t]+qo.distanceTo(Xo);t.setAttribute("lineDistance",new In(i,1))}else as("LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}}class Ho extends Uo{constructor(t,e){super(t,e),this.isLineLoop=!0,this.type="LineLoop"}}class Zo extends Yn{constructor(t){super(),this.isPointsMaterial=!0,this.type="PointsMaterial",this.color=new Br(16777215),this.map=null,this.alphaMap=null,this.size=1,this.sizeAttenuation=!0,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.alphaMap=t.alphaMap,this.size=t.size,this.sizeAttenuation=t.sizeAttenuation,this.fog=t.fog,this}}const Go=new Gs,$o=new ba,Qo=new Pn,Ko=new _s;class th extends Sr{constructor(t=new Dn,e=new Zo){super(),this.isPoints=!0,this.type="Points",this.geometry=t,this.material=e,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),this.material=Array.isArray(t.material)?t.material.slice():t.material,this.geometry=t.geometry,this}raycast(t,e){const i=this.geometry,s=this.matrixWorld,r=t.params.Points.threshold,n=i.drawRange;if(null===i.boundingSphere&&i.computeBoundingSphere(),Qo.copy(i.boundingSphere),Qo.applyMatrix4(s),Qo.radius+=r,!1===t.ray.intersectsSphere(Qo))return;Go.copy(s).invert(),$o.copy(t.ray).applyMatrix4(Go);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a,h=i.index,l=i.attributes.position;if(null!==h){for(let i=Math.max(0,n.start),r=Math.min(h.count,n.start+n.count);i<r;i++){const r=h.getX(i);Ko.fromBufferAttribute(l,r),eh(Ko,r,o,s,t,e,this)}}else{for(let i=Math.max(0,n.start),r=Math.min(l.count,n.start+n.count);i<r;i++)Ko.fromBufferAttribute(l,i),eh(Ko,i,o,s,t,e,this)}}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const i=t[e[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=i.length;t<e;t++){const e=i[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}}function eh(t,e,i,s,r,n,a){const o=$o.distanceSqToPoint(t);if(o<i){const i=new _s;$o.closestPointToPoint(t,i),i.applyMatrix4(s);const h=r.ray.origin.distanceTo(i);if(h<r.near||h>r.far)return;n.push({distance:h,distanceToRay:Math.sqrt(o),point:i,index:e,face:null,faceIndex:null,barycoord:null,object:a})}}class ih extends Ws{constructor(t,e,i,s,r=1006,n=1006,a,o,h){super(t,e,i,s,r,n,a,o,h),this.isVideoTexture=!0,this.generateMipmaps=!1,this._requestVideoFrameCallbackId=0;const l=this;"requestVideoFrameCallback"in t&&(this._requestVideoFrameCallbackId=t.requestVideoFrameCallback(function e(){l.needsUpdate=!0,l._requestVideoFrameCallbackId=t.requestVideoFrameCallback(e)}))}clone(){return new this.constructor(this.image).copy(this)}update(){const t=this.image;!1==="requestVideoFrameCallback"in t&&t.readyState>=t.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}dispose(){0!==this._requestVideoFrameCallbackId&&(this.source.data.cancelVideoFrameCallback(this._requestVideoFrameCallbackId),this._requestVideoFrameCallbackId=0),super.dispose()}}class sh extends ih{constructor(t,e,i,s,r,n,a,o){super({},t,e,i,s,r,n,a,o),this.isVideoFrameTexture=!0}update(){}clone(){return(new this.constructor).copy(this)}setFrame(t){this.image=t,this.needsUpdate=!0}}class rh extends Ws{constructor(t,e){super({width:t,height:e}),this.isFramebufferTexture=!0,this.magFilter=ft,this.minFilter=ft,this.generateMipmaps=!1,this.needsUpdate=!0}}class nh extends Ws{constructor(t,e,i,s,r,n,a,o,h,l,c,u){super(null,n,a,o,h,l,s,r,c,u),this.isCompressedTexture=!0,this.image={width:e,height:i},this.mipmaps=t,this.flipY=!1,this.generateMipmaps=!1}}class ah extends nh{constructor(t,e,i,s,r,n){super(t,e,i,r,n),this.isCompressedArrayTexture=!0,this.image.depth=s,this.wrapR=yt,this.layerUpdates=new Set}addLayerUpdate(t){this.layerUpdates.add(t)}clearLayerUpdates(){this.layerUpdates.clear()}}class oh extends nh{constructor(t,e,i){super(void 0,t[0].width,t[0].height,e,i,lt),this.isCompressedCubeTexture=!0,this.isCubeTexture=!0,this.image=t}}class hh extends Ws{constructor(t=[],e=301,i,s,r,n,a,o,h,l){super(t,e,i,s,r,n,a,o,h,l),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}class lh extends Ws{constructor(t,e,i,s,r,n,a,o,h){super(t,e,i,s,r,n,a,o,h),this.isCanvasTexture=!0,this.needsUpdate=!0}}class ch extends Ws{constructor(t,e,i=1014,s,r,n,a=1003,o=1003,h,l=1026,c=1){if(l!==Ut&&1027!==l)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");super({width:t,height:e,depth:c},s,r,n,a,o,l,i,h),this.isDepthTexture=!0,this.flipY=!1,this.generateMipmaps=!1,this.compareFunction=null}copy(t){return super.copy(t),this.source=new Fs(Object.assign({},t.image)),this.compareFunction=t.compareFunction,this}toJSON(t){const e=super.toJSON(t);return null!==this.compareFunction&&(e.compareFunction=this.compareFunction),e}}class uh extends ch{constructor(t,e=1014,i=301,s,r,n=1003,a=1003,o,h=1026){const l={width:t,height:t,depth:1},c=[l,l,l,l,l,l];super(t,t,e,i,s,r,n,a,o,h),this.image=c,this.isCubeDepthTexture=!0,this.isCubeTexture=!0}get images(){return this.image}set images(t){this.image=t}}class dh extends Ws{constructor(t=null){super(),this.sourceTexture=t,this.isExternalTexture=!0}copy(t){return super.copy(t),this.sourceTexture=t.sourceTexture,this}}class ph extends Dn{constructor(t=1,e=1,i=1,s=1,r=1,n=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:i,widthSegments:s,heightSegments:r,depthSegments:n};const a=this;s=Math.floor(s),r=Math.floor(r),n=Math.floor(n);const o=[],h=[],l=[],c=[];let u=0,d=0;function p(t,e,i,s,r,n,p,m,y,g,f){const x=n/y,b=p/g,v=n/2,w=p/2,M=m/2,S=y+1,_=g+1;let A=0,T=0;const z=new _s;for(let n=0;n<_;n++){const a=n*b-w;for(let o=0;o<S;o++){const u=o*x-v;z[t]=u*s,z[e]=a*r,z[i]=M,h.push(z.x,z.y,z.z),z[t]=0,z[e]=0,z[i]=m>0?1:-1,l.push(z.x,z.y,z.z),c.push(o/y),c.push(1-n/g),A+=1}}for(let t=0;t<g;t++)for(let e=0;e<y;e++){const i=u+e+S*t,s=u+e+S*(t+1),r=u+(e+1)+S*(t+1),n=u+(e+1)+S*t;o.push(i,s,n),o.push(s,r,n),T+=6}a.addGroup(d,T,f),d+=T,u+=A}p("z","y","x",-1,-1,i,e,t,n,r,0),p("z","y","x",1,-1,i,e,-t,n,r,1),p("x","z","y",1,1,t,i,e,s,n,2),p("x","z","y",1,-1,t,i,-e,s,n,3),p("x","y","z",1,-1,t,e,i,s,r,4),p("x","y","z",-1,-1,t,e,-i,s,r,5),this.setIndex(o),this.setAttribute("position",new In(h,3)),this.setAttribute("normal",new In(l,3)),this.setAttribute("uv",new In(c,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new ph(t.width,t.height,t.depth,t.widthSegments,t.heightSegments,t.depthSegments)}}class mh extends Dn{constructor(t=1,e=1,i=4,s=8,r=1){super(),this.type="CapsuleGeometry",this.parameters={radius:t,height:e,capSegments:i,radialSegments:s,heightSegments:r},e=Math.max(0,e),i=Math.max(1,Math.floor(i)),s=Math.max(3,Math.floor(s)),r=Math.max(1,Math.floor(r));const n=[],a=[],o=[],h=[],l=e/2,c=Math.PI/2*t,u=e,d=2*c+u,p=2*i+r,m=s+1,y=new _s,g=new _s;for(let f=0;f<=p;f++){let x=0,b=0,v=0,w=0;if(f<=i){const e=f/i,s=e*Math.PI/2;b=-l-t*Math.cos(s),v=t*Math.sin(s),w=-t*Math.cos(s),x=e*c}else if(f<=i+r){const s=(f-i)/r;b=s*e-l,v=t,w=0,x=c+s*u}else{const e=(f-i-r)/i,s=e*Math.PI/2;b=l+t*Math.sin(s),v=t*Math.cos(s),w=t*Math.sin(s),x=c+u+e*c}const M=Math.max(0,Math.min(1,x/d));let S=0;0===f?S=.5/s:f===p&&(S=-.5/s);for(let t=0;t<=s;t++){const e=t/s,i=e*Math.PI*2,r=Math.sin(i),n=Math.cos(i);g.x=-v*n,g.y=b,g.z=v*r,a.push(g.x,g.y,g.z),y.set(-v*n,w,v*r),y.normalize(),o.push(y.x,y.y,y.z),h.push(e+S,M)}if(f>0){const t=(f-1)*m;for(let e=0;e<s;e++){const i=t+e,s=t+e+1,r=f*m+e,a=f*m+e+1;n.push(i,s,r),n.push(s,a,r)}}}this.setIndex(n),this.setAttribute("position",new In(a,3)),this.setAttribute("normal",new In(o,3)),this.setAttribute("uv",new In(h,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new mh(t.radius,t.height,t.capSegments,t.radialSegments,t.heightSegments)}}class yh extends Dn{constructor(t=1,e=32,i=0,s=2*Math.PI){super(),this.type="CircleGeometry",this.parameters={radius:t,segments:e,thetaStart:i,thetaLength:s},e=Math.max(3,e);const r=[],n=[],a=[],o=[],h=new _s,l=new Ms;n.push(0,0,0),a.push(0,0,1),o.push(.5,.5);for(let r=0,c=3;r<=e;r++,c+=3){const u=i+r/e*s;h.x=t*Math.cos(u),h.y=t*Math.sin(u),n.push(h.x,h.y,h.z),a.push(0,0,1),l.x=(n[c]/t+1)/2,l.y=(n[c+1]/t+1)/2,o.push(l.x,l.y)}for(let t=1;t<=e;t++)r.push(t,t+1,0);this.setIndex(r),this.setAttribute("position",new In(n,3)),this.setAttribute("normal",new In(a,3)),this.setAttribute("uv",new In(o,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new yh(t.radius,t.segments,t.thetaStart,t.thetaLength)}}class gh extends Dn{constructor(t=1,e=1,i=1,s=32,r=1,n=!1,a=0,o=2*Math.PI){super(),this.type="CylinderGeometry",this.parameters={radiusTop:t,radiusBottom:e,height:i,radialSegments:s,heightSegments:r,openEnded:n,thetaStart:a,thetaLength:o};const h=this;s=Math.floor(s),r=Math.floor(r);const l=[],c=[],u=[],d=[];let p=0;const m=[],y=i/2;let g=0;function f(i){const r=p,n=new Ms,m=new _s;let f=0;const x=!0===i?t:e,b=!0===i?1:-1;for(let t=1;t<=s;t++)c.push(0,y*b,0),u.push(0,b,0),d.push(.5,.5),p++;const v=p;for(let t=0;t<=s;t++){const e=t/s*o+a,i=Math.cos(e),r=Math.sin(e);m.x=x*r,m.y=y*b,m.z=x*i,c.push(m.x,m.y,m.z),u.push(0,b,0),n.x=.5*i+.5,n.y=.5*r*b+.5,d.push(n.x,n.y),p++}for(let t=0;t<s;t++){const e=r+t,s=v+t;!0===i?l.push(s,s+1,e):l.push(s+1,s,e),f+=3}h.addGroup(g,f,!0===i?1:2),g+=f}!function(){const n=new _s,f=new _s;let x=0;const b=(e-t)/i;for(let h=0;h<=r;h++){const l=[],g=h/r,x=g*(e-t)+t;for(let t=0;t<=s;t++){const e=t/s,r=e*o+a,h=Math.sin(r),m=Math.cos(r);f.x=x*h,f.y=-g*i+y,f.z=x*m,c.push(f.x,f.y,f.z),n.set(h,b,m).normalize(),u.push(n.x,n.y,n.z),d.push(e,1-g),l.push(p++)}m.push(l)}for(let i=0;i<s;i++)for(let s=0;s<r;s++){const n=m[s][i],a=m[s+1][i],o=m[s+1][i+1],h=m[s][i+1];(t>0||0!==s)&&(l.push(n,a,h),x+=3),(e>0||s!==r-1)&&(l.push(a,o,h),x+=3)}h.addGroup(g,x,0),g+=x}(),!1===n&&(t>0&&f(!0),e>0&&f(!1)),this.setIndex(l),this.setAttribute("position",new In(c,3)),this.setAttribute("normal",new In(u,3)),this.setAttribute("uv",new In(d,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new gh(t.radiusTop,t.radiusBottom,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class fh extends gh{constructor(t=1,e=1,i=32,s=1,r=!1,n=0,a=2*Math.PI){super(0,t,e,i,s,r,n,a),this.type="ConeGeometry",this.parameters={radius:t,height:e,radialSegments:i,heightSegments:s,openEnded:r,thetaStart:n,thetaLength:a}}static fromJSON(t){return new fh(t.radius,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class xh extends Dn{constructor(t=[],e=[],i=1,s=0){super(),this.type="PolyhedronGeometry",this.parameters={vertices:t,indices:e,radius:i,detail:s};const r=[],n=[];function a(t,e,i,s){const r=s+1,n=[];for(let s=0;s<=r;s++){n[s]=[];const a=t.clone().lerp(i,s/r),o=e.clone().lerp(i,s/r),h=r-s;for(let t=0;t<=h;t++)n[s][t]=0===t&&s===r?a:a.clone().lerp(o,t/h)}for(let t=0;t<r;t++)for(let e=0;e<2*(r-t)-1;e++){const i=Math.floor(e/2);e%2==0?(o(n[t][i+1]),o(n[t+1][i]),o(n[t][i])):(o(n[t][i+1]),o(n[t+1][i+1]),o(n[t+1][i]))}}function o(t){r.push(t.x,t.y,t.z)}function h(e,i){const s=3*e;i.x=t[s+0],i.y=t[s+1],i.z=t[s+2]}function l(t,e,i,s){s<0&&1===t.x&&(n[e]=t.x-1),0===i.x&&0===i.z&&(n[e]=s/2/Math.PI+.5)}function c(t){return Math.atan2(t.z,-t.x)}function u(t){return Math.atan2(-t.y,Math.sqrt(t.x*t.x+t.z*t.z))}!function(t){const i=new _s,s=new _s,r=new _s;for(let n=0;n<e.length;n+=3)h(e[n+0],i),h(e[n+1],s),h(e[n+2],r),a(i,s,r,t)}(s),function(t){const e=new _s;for(let i=0;i<r.length;i+=3)e.x=r[i+0],e.y=r[i+1],e.z=r[i+2],e.normalize().multiplyScalar(t),r[i+0]=e.x,r[i+1]=e.y,r[i+2]=e.z}(i),function(){const t=new _s;for(let e=0;e<r.length;e+=3){t.x=r[e+0],t.y=r[e+1],t.z=r[e+2];const i=c(t)/2/Math.PI+.5,s=u(t)/Math.PI+.5;n.push(i,1-s)}(function(){const t=new _s,e=new _s,i=new _s,s=new _s,a=new Ms,o=new Ms,h=new Ms;for(let u=0,d=0;u<r.length;u+=9,d+=6){t.set(r[u+0],r[u+1],r[u+2]),e.set(r[u+3],r[u+4],r[u+5]),i.set(r[u+6],r[u+7],r[u+8]),a.set(n[d+0],n[d+1]),o.set(n[d+2],n[d+3]),h.set(n[d+4],n[d+5]),s.copy(t).add(e).add(i).divideScalar(3);const p=c(s);l(a,d+0,t,p),l(o,d+2,e,p),l(h,d+4,i,p)}})(),function(){for(let t=0;t<n.length;t+=6){const e=n[t+0],i=n[t+2],s=n[t+4],r=Math.max(e,i,s),a=Math.min(e,i,s);r>.9&&a<.1&&(e<.2&&(n[t+0]+=1),i<.2&&(n[t+2]+=1),s<.2&&(n[t+4]+=1))}}()}(),this.setAttribute("position",new In(r,3)),this.setAttribute("normal",new In(r.slice(),3)),this.setAttribute("uv",new In(n,2)),0===s?this.computeVertexNormals():this.normalizeNormals()}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new xh(t.vertices,t.indices,t.radius,t.detail)}}class bh extends xh{constructor(t=1,e=0){const i=(1+Math.sqrt(5))/2,s=1/i;super([-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,0,-s,-i,0,-s,i,0,s,-i,0,s,i,-s,-i,0,-s,i,0,s,-i,0,s,i,0,-i,0,-s,i,0,-s,-i,0,s,i,0,s],[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,19,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9],t,e),this.type="DodecahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new bh(t.radius,t.detail)}}const vh=new _s,wh=new _s,Mh=new _s,Sh=new Zr;class _h extends Dn{constructor(t=null,e=1){if(super(),this.type="EdgesGeometry",this.parameters={geometry:t,thresholdAngle:e},null!==t){const i=4,s=Math.pow(10,i),r=Math.cos(ps*e),n=t.getIndex(),a=t.getAttribute("position"),o=n?n.count:a.count,h=[0,0,0],l=["a","b","c"],c=new Array(3),u={},d=[];for(let t=0;t<o;t+=3){n?(h[0]=n.getX(t),h[1]=n.getX(t+1),h[2]=n.getX(t+2)):(h[0]=t,h[1]=t+1,h[2]=t+2);const{a:e,b:i,c:o}=Sh;if(e.fromBufferAttribute(a,h[0]),i.fromBufferAttribute(a,h[1]),o.fromBufferAttribute(a,h[2]),Sh.getNormal(Mh),c[0]=`${Math.round(e.x*s)},${Math.round(e.y*s)},${Math.round(e.z*s)}`,c[1]=`${Math.round(i.x*s)},${Math.round(i.y*s)},${Math.round(i.z*s)}`,c[2]=`${Math.round(o.x*s)},${Math.round(o.y*s)},${Math.round(o.z*s)}`,c[0]!==c[1]&&c[1]!==c[2]&&c[2]!==c[0])for(let t=0;t<3;t++){const e=(t+1)%3,i=c[t],s=c[e],n=Sh[l[t]],a=Sh[l[e]],o=`${i}_${s}`,p=`${s}_${i}`;p in u&&u[p]?(Mh.dot(u[p].normal)<=r&&(d.push(n.x,n.y,n.z),d.push(a.x,a.y,a.z)),u[p]=null):o in u||(u[o]={index0:h[t],index1:h[e],normal:Mh.clone()})}}for(const t in u)if(u[t]){const{index0:e,index1:i}=u[t];vh.fromBufferAttribute(a,e),wh.fromBufferAttribute(a,i),d.push(vh.x,vh.y,vh.z),d.push(wh.x,wh.y,wh.z)}this.setAttribute("position",new In(d,3))}}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}}class Ah{constructor(){this.type="Curve",this.arcLengthDivisions=200,this.needsUpdate=!1,this.cacheArcLengths=null}getPoint(){as("Curve: .getPoint() not implemented.")}getPointAt(t,e){const i=this.getUtoTmapping(t);return this.getPoint(i,e)}getPoints(t=5){const e=[];for(let i=0;i<=t;i++)e.push(this.getPoint(i/t));return e}getSpacedPoints(t=5){const e=[];for(let i=0;i<=t;i++)e.push(this.getPointAt(i/t));return e}getLength(){const t=this.getLengths();return t[t.length-1]}getLengths(t=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===t+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const e=[];let i,s=this.getPoint(0),r=0;e.push(0);for(let n=1;n<=t;n++)i=this.getPoint(n/t),r+=i.distanceTo(s),e.push(r),s=i;return this.cacheArcLengths=e,e}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(t,e=null){const i=this.getLengths();let s=0;const r=i.length;let n;n=e||t*i[r-1];let a,o=0,h=r-1;for(;o<=h;)if(s=Math.floor(o+(h-o)/2),a=i[s]-n,a<0)o=s+1;else{if(!(a>0)){h=s;break}h=s-1}if(s=h,i[s]===n)return s/(r-1);const l=i[s];return(s+(n-l)/(i[s+1]-l))/(r-1)}getTangent(t,e){const i=1e-4;let s=t-i,r=t+i;s<0&&(s=0),r>1&&(r=1);const n=this.getPoint(s),a=this.getPoint(r),o=e||(n.isVector2?new Ms:new _s);return o.copy(a).sub(n).normalize(),o}getTangentAt(t,e){const i=this.getUtoTmapping(t);return this.getTangent(i,e)}computeFrenetFrames(t,e=!1){const i=new _s,s=[],r=[],n=[],a=new _s,o=new Gs;for(let e=0;e<=t;e++){const i=e/t;s[e]=this.getTangentAt(i,new _s)}r[0]=new _s,n[0]=new _s;let h=Number.MAX_VALUE;const l=Math.abs(s[0].x),c=Math.abs(s[0].y),u=Math.abs(s[0].z);l<=h&&(h=l,i.set(1,0,0)),c<=h&&(h=c,i.set(0,1,0)),u<=h&&i.set(0,0,1),a.crossVectors(s[0],i).normalize(),r[0].crossVectors(s[0],a),n[0].crossVectors(s[0],r[0]);for(let e=1;e<=t;e++){if(r[e]=r[e-1].clone(),n[e]=n[e-1].clone(),a.crossVectors(s[e-1],s[e]),a.length()>Number.EPSILON){a.normalize();const t=Math.acos(gs(s[e-1].dot(s[e]),-1,1));r[e].applyMatrix4(o.makeRotationAxis(a,t))}n[e].crossVectors(s[e],r[e])}if(!0===e){let e=Math.acos(gs(r[0].dot(r[t]),-1,1));e/=t,s[0].dot(a.crossVectors(r[0],r[t]))>0&&(e=-e);for(let i=1;i<=t;i++)r[i].applyMatrix4(o.makeRotationAxis(s[i],e*i)),n[i].crossVectors(s[i],r[i])}return{tangents:s,normals:r,binormals:n}}clone(){return(new this.constructor).copy(this)}copy(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}toJSON(){const t={metadata:{version:4.7,type:"Curve",generator:"Curve.toJSON"}};return t.arcLengthDivisions=this.arcLengthDivisions,t.type=this.type,t}fromJSON(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}}class Th extends Ah{constructor(t=0,e=0,i=1,s=1,r=0,n=2*Math.PI,a=!1,o=0){super(),this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=t,this.aY=e,this.xRadius=i,this.yRadius=s,this.aStartAngle=r,this.aEndAngle=n,this.aClockwise=a,this.aRotation=o}getPoint(t,e=new Ms){const i=e,s=2*Math.PI;let r=this.aEndAngle-this.aStartAngle;const n=Math.abs(r)<Number.EPSILON;for(;r<0;)r+=s;for(;r>s;)r-=s;r<Number.EPSILON&&(r=n?0:s),!0!==this.aClockwise||n||(r===s?r=-s:r-=s);const a=this.aStartAngle+t*r;let o=this.aX+this.xRadius*Math.cos(a),h=this.aY+this.yRadius*Math.sin(a);if(0!==this.aRotation){const t=Math.cos(this.aRotation),e=Math.sin(this.aRotation),i=o-this.aX,s=h-this.aY;o=i*t-s*e+this.aX,h=i*e+s*t+this.aY}return i.set(o,h)}copy(t){return super.copy(t),this.aX=t.aX,this.aY=t.aY,this.xRadius=t.xRadius,this.yRadius=t.yRadius,this.aStartAngle=t.aStartAngle,this.aEndAngle=t.aEndAngle,this.aClockwise=t.aClockwise,this.aRotation=t.aRotation,this}toJSON(){const t=super.toJSON();return t.aX=this.aX,t.aY=this.aY,t.xRadius=this.xRadius,t.yRadius=this.yRadius,t.aStartAngle=this.aStartAngle,t.aEndAngle=this.aEndAngle,t.aClockwise=this.aClockwise,t.aRotation=this.aRotation,t}fromJSON(t){return super.fromJSON(t),this.aX=t.aX,this.aY=t.aY,this.xRadius=t.xRadius,this.yRadius=t.yRadius,this.aStartAngle=t.aStartAngle,this.aEndAngle=t.aEndAngle,this.aClockwise=t.aClockwise,this.aRotation=t.aRotation,this}}class zh extends Th{constructor(t,e,i,s,r,n){super(t,e,i,i,s,r,n),this.isArcCurve=!0,this.type="ArcCurve"}}function Ch(){let t=0,e=0,i=0,s=0;function r(r,n,a,o){t=r,e=a,i=-3*r+3*n-2*a-o,s=2*r-2*n+a+o}return{initCatmullRom:function(t,e,i,s,n){r(e,i,n*(i-t),n*(s-e))},initNonuniformCatmullRom:function(t,e,i,s,n,a,o){let h=(e-t)/n-(i-t)/(n+a)+(i-e)/a,l=(i-e)/a-(s-e)/(a+o)+(s-i)/o;h*=a,l*=a,r(e,i,h,l)},calc:function(r){const n=r*r;return t+e*r+i*n+s*(n*r)}}}const Ih=new _s,kh=new Ch,Bh=new Ch,Oh=new Ch;class Ph extends Ah{constructor(t=[],e=!1,i="centripetal",s=.5){super(),this.isCatmullRomCurve3=!0,this.type="CatmullRomCurve3",this.points=t,this.closed=e,this.curveType=i,this.tension=s}getPoint(t,e=new _s){const i=e,s=this.points,r=s.length,n=(r-(this.closed?0:1))*t;let a,o,h=Math.floor(n),l=n-h;this.closed?h+=h>0?0:(Math.floor(Math.abs(h)/r)+1)*r:0===l&&h===r-1&&(h=r-2,l=1),this.closed||h>0?a=s[(h-1)%r]:(Ih.subVectors(s[0],s[1]).add(s[0]),a=Ih);const c=s[h%r],u=s[(h+1)%r];if(this.closed||h+2<r?o=s[(h+2)%r]:(Ih.subVectors(s[r-1],s[r-2]).add(s[r-1]),o=Ih),"centripetal"===this.curveType||"chordal"===this.curveType){const t="chordal"===this.curveType?.5:.25;let e=Math.pow(a.distanceToSquared(c),t),i=Math.pow(c.distanceToSquared(u),t),s=Math.pow(u.distanceToSquared(o),t);i<1e-4&&(i=1),e<1e-4&&(e=i),s<1e-4&&(s=i),kh.initNonuniformCatmullRom(a.x,c.x,u.x,o.x,e,i,s),Bh.initNonuniformCatmullRom(a.y,c.y,u.y,o.y,e,i,s),Oh.initNonuniformCatmullRom(a.z,c.z,u.z,o.z,e,i,s)}else"catmullrom"===this.curveType&&(kh.initCatmullRom(a.x,c.x,u.x,o.x,this.tension),Bh.initCatmullRom(a.y,c.y,u.y,o.y,this.tension),Oh.initCatmullRom(a.z,c.z,u.z,o.z,this.tension));return i.set(kh.calc(l),Bh.calc(l),Oh.calc(l)),i}copy(t){super.copy(t),this.points=[];for(let e=0,i=t.points.length;e<i;e++){const i=t.points[e];this.points.push(i.clone())}return this.closed=t.closed,this.curveType=t.curveType,this.tension=t.tension,this}toJSON(){const t=super.toJSON();t.points=[];for(let e=0,i=this.points.length;e<i;e++){const i=this.points[e];t.points.push(i.toArray())}return t.closed=this.closed,t.curveType=this.curveType,t.tension=this.tension,t}fromJSON(t){super.fromJSON(t),this.points=[];for(let e=0,i=t.points.length;e<i;e++){const i=t.points[e];this.points.push((new _s).fromArray(i))}return this.closed=t.closed,this.curveType=t.curveType,this.tension=t.tension,this}}function Rh(t,e,i,s,r){const n=.5*(s-e),a=.5*(r-i),o=t*t;return(2*i-2*s+n+a)*(t*o)+(-3*i+3*s-2*n-a)*o+n*t+i}function Nh(t,e,i,s){return function(t,e){const i=1-t;return i*i*e}(t,e)+function(t,e){return 2*(1-t)*t*e}(t,i)+function(t,e){return t*t*e}(t,s)}function Vh(t,e,i,s,r){return function(t,e){const i=1-t;return i*i*i*e}(t,e)+function(t,e){const i=1-t;return 3*i*i*t*e}(t,i)+function(t,e){return 3*(1-t)*t*t*e}(t,s)+function(t,e){return t*t*t*e}(t,r)}class Eh extends Ah{constructor(t=new Ms,e=new Ms,i=new Ms,s=new Ms){super(),this.isCubicBezierCurve=!0,this.type="CubicBezierCurve",this.v0=t,this.v1=e,this.v2=i,this.v3=s}getPoint(t,e=new Ms){const i=e,s=this.v0,r=this.v1,n=this.v2,a=this.v3;return i.set(Vh(t,s.x,r.x,n.x,a.x),Vh(t,s.y,r.y,n.y,a.y)),i}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this.v3.copy(t.v3),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t.v3=this.v3.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this.v3.fromArray(t.v3),this}}class Fh extends Ah{constructor(t=new _s,e=new _s,i=new _s,s=new _s){super(),this.isCubicBezierCurve3=!0,this.type="CubicBezierCurve3",this.v0=t,this.v1=e,this.v2=i,this.v3=s}getPoint(t,e=new _s){const i=e,s=this.v0,r=this.v1,n=this.v2,a=this.v3;return i.set(Vh(t,s.x,r.x,n.x,a.x),Vh(t,s.y,r.y,n.y,a.y),Vh(t,s.z,r.z,n.z,a.z)),i}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this.v3.copy(t.v3),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t.v3=this.v3.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this.v3.fromArray(t.v3),this}}class Lh extends Ah{constructor(t=new Ms,e=new Ms){super(),this.isLineCurve=!0,this.type="LineCurve",this.v1=t,this.v2=e}getPoint(t,e=new Ms){const i=e;return 1===t?i.copy(this.v2):(i.copy(this.v2).sub(this.v1),i.multiplyScalar(t).add(this.v1)),i}getPointAt(t,e){return this.getPoint(t,e)}getTangent(t,e=new Ms){return e.subVectors(this.v2,this.v1).normalize()}getTangentAt(t,e){return this.getTangent(t,e)}copy(t){return super.copy(t),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class jh extends Ah{constructor(t=new _s,e=new _s){super(),this.isLineCurve3=!0,this.type="LineCurve3",this.v1=t,this.v2=e}getPoint(t,e=new _s){const i=e;return 1===t?i.copy(this.v2):(i.copy(this.v2).sub(this.v1),i.multiplyScalar(t).add(this.v1)),i}getPointAt(t,e){return this.getPoint(t,e)}getTangent(t,e=new _s){return e.subVectors(this.v2,this.v1).normalize()}getTangentAt(t,e){return this.getTangent(t,e)}copy(t){return super.copy(t),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class Dh extends Ah{constructor(t=new Ms,e=new Ms,i=new Ms){super(),this.isQuadraticBezierCurve=!0,this.type="QuadraticBezierCurve",this.v0=t,this.v1=e,this.v2=i}getPoint(t,e=new Ms){const i=e,s=this.v0,r=this.v1,n=this.v2;return i.set(Nh(t,s.x,r.x,n.x),Nh(t,s.y,r.y,n.y)),i}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class Wh extends Ah{constructor(t=new _s,e=new _s,i=new _s){super(),this.isQuadraticBezierCurve3=!0,this.type="QuadraticBezierCurve3",this.v0=t,this.v1=e,this.v2=i}getPoint(t,e=new _s){const i=e,s=this.v0,r=this.v1,n=this.v2;return i.set(Nh(t,s.x,r.x,n.x),Nh(t,s.y,r.y,n.y),Nh(t,s.z,r.z,n.z)),i}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class Uh extends Ah{constructor(t=[]){super(),this.isSplineCurve=!0,this.type="SplineCurve",this.points=t}getPoint(t,e=new Ms){const i=e,s=this.points,r=(s.length-1)*t,n=Math.floor(r),a=r-n,o=s[0===n?n:n-1],h=s[n],l=s[n>s.length-2?s.length-1:n+1],c=s[n>s.length-3?s.length-1:n+2];return i.set(Rh(a,o.x,h.x,l.x,c.x),Rh(a,o.y,h.y,l.y,c.y)),i}copy(t){super.copy(t),this.points=[];for(let e=0,i=t.points.length;e<i;e++){const i=t.points[e];this.points.push(i.clone())}return this}toJSON(){const t=super.toJSON();t.points=[];for(let e=0,i=this.points.length;e<i;e++){const i=this.points[e];t.points.push(i.toArray())}return t}fromJSON(t){super.fromJSON(t),this.points=[];for(let e=0,i=t.points.length;e<i;e++){const i=t.points[e];this.points.push((new Ms).fromArray(i))}return this}}var Jh=Object.freeze({__proto__:null,ArcCurve:zh,CatmullRomCurve3:Ph,CubicBezierCurve:Eh,CubicBezierCurve3:Fh,EllipseCurve:Th,LineCurve:Lh,LineCurve3:jh,QuadraticBezierCurve:Dh,QuadraticBezierCurve3:Wh,SplineCurve:Uh});class qh extends Ah{constructor(){super(),this.type="CurvePath",this.curves=[],this.autoClose=!1}add(t){this.curves.push(t)}closePath(){const t=this.curves[0].getPoint(0),e=this.curves[this.curves.length-1].getPoint(1);if(!t.equals(e)){const i=!0===t.isVector2?"LineCurve":"LineCurve3";this.curves.push(new Jh[i](e,t))}return this}getPoint(t,e){const i=t*this.getLength(),s=this.getCurveLengths();let r=0;for(;r<s.length;){if(s[r]>=i){const t=s[r]-i,n=this.curves[r],a=n.getLength(),o=0===a?0:1-t/a;return n.getPointAt(o,e)}r++}return null}getLength(){const t=this.getCurveLengths();return t[t.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const t=[];let e=0;for(let i=0,s=this.curves.length;i<s;i++)e+=this.curves[i].getLength(),t.push(e);return this.cacheLengths=t,t}getSpacedPoints(t=40){const e=[];for(let i=0;i<=t;i++)e.push(this.getPoint(i/t));return this.autoClose&&e.push(e[0]),e}getPoints(t=12){const e=[];let i;for(let s=0,r=this.curves;s<r.length;s++){const n=r[s],a=n.isEllipseCurve?2*t:n.isLineCurve||n.isLineCurve3?1:n.isSplineCurve?t*n.points.length:t,o=n.getPoints(a);for(let t=0;t<o.length;t++){const s=o[t];i&&i.equals(s)||(e.push(s),i=s)}}return this.autoClose&&e.length>1&&!e[e.length-1].equals(e[0])&&e.push(e[0]),e}copy(t){super.copy(t),this.curves=[];for(let e=0,i=t.curves.length;e<i;e++){const i=t.curves[e];this.curves.push(i.clone())}return this.autoClose=t.autoClose,this}toJSON(){const t=super.toJSON();t.autoClose=this.autoClose,t.curves=[];for(let e=0,i=this.curves.length;e<i;e++){const i=this.curves[e];t.curves.push(i.toJSON())}return t}fromJSON(t){super.fromJSON(t),this.autoClose=t.autoClose,this.curves=[];for(let e=0,i=t.curves.length;e<i;e++){const i=t.curves[e];this.curves.push((new Jh[i.type]).fromJSON(i))}return this}}class Xh extends qh{constructor(t){super(),this.type="Path",this.currentPoint=new Ms,t&&this.setFromPoints(t)}setFromPoints(t){this.moveTo(t[0].x,t[0].y);for(let e=1,i=t.length;e<i;e++)this.lineTo(t[e].x,t[e].y);return this}moveTo(t,e){return this.currentPoint.set(t,e),this}lineTo(t,e){const i=new Lh(this.currentPoint.clone(),new Ms(t,e));return this.curves.push(i),this.currentPoint.set(t,e),this}quadraticCurveTo(t,e,i,s){const r=new Dh(this.currentPoint.clone(),new Ms(t,e),new Ms(i,s));return this.curves.push(r),this.currentPoint.set(i,s),this}bezierCurveTo(t,e,i,s,r,n){const a=new Eh(this.currentPoint.clone(),new Ms(t,e),new Ms(i,s),new Ms(r,n));return this.curves.push(a),this.currentPoint.set(r,n),this}splineThru(t){const e=[this.currentPoint.clone()].concat(t),i=new Uh(e);return this.curves.push(i),this.currentPoint.copy(t[t.length-1]),this}arc(t,e,i,s,r,n){const a=this.currentPoint.x,o=this.currentPoint.y;return this.absarc(t+a,e+o,i,s,r,n),this}absarc(t,e,i,s,r,n){return this.absellipse(t,e,i,i,s,r,n),this}ellipse(t,e,i,s,r,n,a,o){const h=this.currentPoint.x,l=this.currentPoint.y;return this.absellipse(t+h,e+l,i,s,r,n,a,o),this}absellipse(t,e,i,s,r,n,a,o){const h=new Th(t,e,i,s,r,n,a,o);if(this.curves.length>0){const t=h.getPoint(0);t.equals(this.currentPoint)||this.lineTo(t.x,t.y)}this.curves.push(h);const l=h.getPoint(1);return this.currentPoint.copy(l),this}copy(t){return super.copy(t),this.currentPoint.copy(t.currentPoint),this}toJSON(){const t=super.toJSON();return t.currentPoint=this.currentPoint.toArray(),t}fromJSON(t){return super.fromJSON(t),this.currentPoint.fromArray(t.currentPoint),this}}class Yh extends Xh{constructor(t){super(t),this.uuid=ys(),this.type="Shape",this.holes=[]}getPointsHoles(t){const e=[];for(let i=0,s=this.holes.length;i<s;i++)e[i]=this.holes[i].getPoints(t);return e}extractPoints(t){return{shape:this.getPoints(t),holes:this.getPointsHoles(t)}}copy(t){super.copy(t),this.holes=[];for(let e=0,i=t.holes.length;e<i;e++){const i=t.holes[e];this.holes.push(i.clone())}return this}toJSON(){const t=super.toJSON();t.uuid=this.uuid,t.holes=[];for(let e=0,i=this.holes.length;e<i;e++){const i=this.holes[e];t.holes.push(i.toJSON())}return t}fromJSON(t){super.fromJSON(t),this.uuid=t.uuid,this.holes=[];for(let e=0,i=t.holes.length;e<i;e++){const i=t.holes[e];this.holes.push((new Xh).fromJSON(i))}return this}}function Hh(t,e,i=2){const s=e&&e.length,r=s?e[0]*i:t.length;let n=Zh(t,0,r,i,!0);const a=[];if(!n||n.next===n.prev)return a;let o,h,l;if(s&&(n=function(t,e,i,s){const r=[];for(let i=0,n=e.length;i<n;i++){const a=Zh(t,e[i]*s,i<n-1?e[i+1]*s:t.length,s,!1);a===a.next&&(a.steiner=!0),r.push(al(a))}r.sort(il);for(let t=0;t<r.length;t++)i=sl(r[t],i);return i}(t,e,n,i)),t.length>80*i){o=t[0],h=t[1];let e=o,s=h;for(let n=i;n<r;n+=i){const i=t[n],r=t[n+1];i<o&&(o=i),r<h&&(h=r),i>e&&(e=i),r>s&&(s=r)}l=Math.max(e-o,s-h),l=0!==l?32767/l:0}return $h(n,a,i,o,h,l,0),a}function Zh(t,e,i,s,r){let n;if(r===function(t,e,i,s){let r=0;for(let 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i=l?C(S[e],N[e],E):S[e];w?(b.copy(f.normals[t]).multiplyScalar(i.x),x.copy(f.binormals[t]).multiplyScalar(i.y),v.copy(g[t]).add(b).add(x),L(v.x,v.y,v.z)):L(i.x,i.y,h/o*t)}for(let t=p-1;t>=0;t--){const e=t/p,i=c*Math.cos(e*Math.PI/2),s=u*Math.sin(e*Math.PI/2)+d;for(let t=0,e=z.length;t<e;t++){const e=C(z[t],B[t],s);L(e.x,e.y,h+i)}for(let t=0,e=_.length;t<e;t++){const e=_[t];P=O[t];for(let t=0,r=e.length;t<r;t++){const r=C(e[t],P[t],s);w?L(r.x,r.y+g[o-1].y,g[o-1].x+i):L(r.x,r.y,h+i)}}}function F(t,e){let i=t.length;for(;--i>=0;){const s=i;let r=i-1;r<0&&(r=t.length-1);for(let t=0,i=o+2*p;t<i;t++){const i=I*t,n=I*(t+1);D(e+s+i,e+r+i,e+r+n,e+s+n)}}}function L(t,e,i){n.push(t),n.push(e),n.push(i)}function j(t,e,r){W(t),W(e),W(r);const n=s.length/3,a=y.generateTopUV(i,s,n-3,n-2,n-1);U(a[0]),U(a[1]),U(a[2])}function D(t,e,r,n){W(t),W(e),W(n),W(e),W(r),W(n);const a=s.length/3,o=y.generateSideWallUV(i,s,a-6,a-3,a-2,a-1);U(o[0]),U(o[1]),U(o[3]),U(o[1]),U(o[2]),U(o[3])}function W(t){s.push(n[3*t+0]),s.push(n[3*t+1]),s.push(n[3*t+2])}function U(t){r.push(t.x),r.push(t.y)}!function(){const t=s.length/3;if(l){let t=0,e=I*t;for(let t=0;t<V;t++){const i=R[t];j(i[2]+e,i[1]+e,i[0]+e)}t=o+2*p,e=I*t;for(let t=0;t<V;t++){const i=R[t];j(i[0]+e,i[1]+e,i[2]+e)}}else{for(let t=0;t<V;t++){const e=R[t];j(e[2],e[1],e[0])}for(let t=0;t<V;t++){const e=R[t];j(e[0]+I*o,e[1]+I*o,e[2]+I*o)}}i.addGroup(t,s.length/3-t,0)}(),function(){const t=s.length/3;let e=0;F(z,e),e+=z.length;for(let t=0,i=_.length;t<i;t++){const i=_[t];F(i,e),e+=i.length}i.addGroup(t,s.length/3-t,1)}()}this.setAttribute("position",new In(s,3)),this.setAttribute("uv",new In(r,2)),this.computeVertexNormals()}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}toJSON(){const t=super.toJSON();return function(t,e,i){if(i.shapes=[],Array.isArray(t))for(let e=0,s=t.length;e<s;e++){const s=t[e];i.shapes.push(s.uuid)}else i.shapes.push(t.uuid);i.options=Object.assign({},e),void 0!==e.extrudePath&&(i.options.extrudePath=e.extrudePath.toJSON());return i}(this.parameters.shapes,this.parameters.options,t)}static fromJSON(t,e){const i=[];for(let s=0,r=t.shapes.length;s<r;s++){const r=e[t.shapes[s]];i.push(r)}const s=t.options.extrudePath;return void 0!==s&&(t.options.extrudePath=(new Jh[s.type]).fromJSON(s)),new _l(i,t.options)}}const Al={generateTopUV:function(t,e,i,s,r){const n=e[3*i],a=e[3*i+1],o=e[3*s],h=e[3*s+1],l=e[3*r],c=e[3*r+1];return[new Ms(n,a),new Ms(o,h),new Ms(l,c)]},generateSideWallUV:function(t,e,i,s,r,n){const a=e[3*i],o=e[3*i+1],h=e[3*i+2],l=e[3*s],c=e[3*s+1],u=e[3*s+2],d=e[3*r],p=e[3*r+1],m=e[3*r+2],y=e[3*n],g=e[3*n+1],f=e[3*n+2];return Math.abs(o-c)<Math.abs(a-l)?[new Ms(a,1-h),new Ms(l,1-u),new Ms(d,1-m),new Ms(y,1-f)]:[new Ms(o,1-h),new Ms(c,1-u),new Ms(p,1-m),new Ms(g,1-f)]}};class Tl extends xh{constructor(t=1,e=0){const i=(1+Math.sqrt(5))/2;super([-1,i,0,1,i,0,-1,-i,0,1,-i,0,0,-1,i,0,1,i,0,-1,-i,0,1,-i,i,0,-1,i,0,1,-i,0,-1,-i,0,1],[0,11,5,0,5,1,0,1,7,0,7,10,0,10,11,1,5,9,5,11,4,11,10,2,10,7,6,7,1,8,3,9,4,3,4,2,3,2,6,3,6,8,3,8,9,4,9,5,2,4,11,6,2,10,8,6,7,9,8,1],t,e),this.type="IcosahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new Tl(t.radius,t.detail)}}class zl extends Dn{constructor(t=[new Ms(0,-.5),new Ms(.5,0),new Ms(0,.5)],e=12,i=0,s=2*Math.PI){super(),this.type="LatheGeometry",this.parameters={points:t,segments:e,phiStart:i,phiLength:s},e=Math.floor(e),s=gs(s,0,2*Math.PI);const r=[],n=[],a=[],o=[],h=[],l=1/e,c=new _s,u=new Ms,d=new _s,p=new _s,m=new _s;let y=0,g=0;for(let e=0;e<=t.length-1;e++)switch(e){case 0:y=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-y,d.z=0*g,m.copy(d),d.normalize(),o.push(d.x,d.y,d.z);break;case t.length-1:o.push(m.x,m.y,m.z);break;default:y=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-y,d.z=0*g,p.copy(d),d.x+=m.x,d.y+=m.y,d.z+=m.z,d.normalize(),o.push(d.x,d.y,d.z),m.copy(p)}for(let r=0;r<=e;r++){const d=i+r*l*s,p=Math.sin(d),m=Math.cos(d);for(let i=0;i<=t.length-1;i++){c.x=t[i].x*p,c.y=t[i].y,c.z=t[i].x*m,n.push(c.x,c.y,c.z),u.x=r/e,u.y=i/(t.length-1),a.push(u.x,u.y);const s=o[3*i+0]*p,l=o[3*i+1],d=o[3*i+0]*m;h.push(s,l,d)}}for(let i=0;i<e;i++)for(let e=0;e<t.length-1;e++){const s=e+i*t.length,n=s,a=s+t.length,o=s+t.length+1,h=s+1;r.push(n,a,h),r.push(o,h,a)}this.setIndex(r),this.setAttribute("position",new In(n,3)),this.setAttribute("uv",new In(a,2)),this.setAttribute("normal",new In(h,3))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new zl(t.points,t.segments,t.phiStart,t.phiLength)}}class Cl extends xh{constructor(t=1,e=0){super([1,0,0,-1,0,0,0,1,0,0,-1,0,0,0,1,0,0,-1],[0,2,4,0,4,3,0,3,5,0,5,2,1,2,5,1,5,3,1,3,4,1,4,2],t,e),this.type="OctahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new Cl(t.radius,t.detail)}}class Il extends Dn{constructor(t=1,e=1,i=1,s=1){super(),this.type="PlaneGeometry",this.parameters={width:t,height:e,widthSegments:i,heightSegments:s};const r=t/2,n=e/2,a=Math.floor(i),o=Math.floor(s),h=a+1,l=o+1,c=t/a,u=e/o,d=[],p=[],m=[],y=[];for(let t=0;t<l;t++){const e=t*u-n;for(let i=0;i<h;i++){const s=i*c-r;p.push(s,-e,0),m.push(0,0,1),y.push(i/a),y.push(1-t/o)}}for(let t=0;t<o;t++)for(let e=0;e<a;e++){const i=e+h*t,s=e+h*(t+1),r=e+1+h*(t+1),n=e+1+h*t;d.push(i,s,n),d.push(s,r,n)}this.setIndex(d),this.setAttribute("position",new In(p,3)),this.setAttribute("normal",new In(m,3)),this.setAttribute("uv",new In(y,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Il(t.width,t.height,t.widthSegments,t.heightSegments)}}class kl extends Dn{constructor(t=.5,e=1,i=32,s=1,r=0,n=2*Math.PI){super(),this.type="RingGeometry",this.parameters={innerRadius:t,outerRadius:e,thetaSegments:i,phiSegments:s,thetaStart:r,thetaLength:n},i=Math.max(3,i);const a=[],o=[],h=[],l=[];let c=t;const u=(e-t)/(s=Math.max(1,s)),d=new _s,p=new Ms;for(let t=0;t<=s;t++){for(let t=0;t<=i;t++){const s=r+t/i*n;d.x=c*Math.cos(s),d.y=c*Math.sin(s),o.push(d.x,d.y,d.z),h.push(0,0,1),p.x=(d.x/e+1)/2,p.y=(d.y/e+1)/2,l.push(p.x,p.y)}c+=u}for(let t=0;t<s;t++){const e=t*(i+1);for(let t=0;t<i;t++){const s=t+e,r=s,n=s+i+1,o=s+i+2,h=s+1;a.push(r,n,h),a.push(n,o,h)}}this.setIndex(a),this.setAttribute("position",new In(o,3)),this.setAttribute("normal",new In(h,3)),this.setAttribute("uv",new In(l,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new kl(t.innerRadius,t.outerRadius,t.thetaSegments,t.phiSegments,t.thetaStart,t.thetaLength)}}class Bl extends Dn{constructor(t=new Yh([new Ms(0,.5),new Ms(-.5,-.5),new Ms(.5,-.5)]),e=12){super(),this.type="ShapeGeometry",this.parameters={shapes:t,curveSegments:e};const i=[],s=[],r=[],n=[];let a=0,o=0;if(!1===Array.isArray(t))h(t);else for(let e=0;e<t.length;e++)h(t[e]),this.addGroup(a,o,e),a+=o,o=0;function h(t){const a=s.length/3,h=t.extractPoints(e);let l=h.shape;const c=h.holes;!1===wl.isClockWise(l)&&(l=l.reverse());for(let t=0,e=c.length;t<e;t++){const e=c[t];!0===wl.isClockWise(e)&&(c[t]=e.reverse())}const u=wl.triangulateShape(l,c);for(let t=0,e=c.length;t<e;t++){const e=c[t];l=l.concat(e)}for(let t=0,e=l.length;t<e;t++){const e=l[t];s.push(e.x,e.y,0),r.push(0,0,1),n.push(e.x,e.y)}for(let t=0,e=u.length;t<e;t++){const e=u[t],s=e[0]+a,r=e[1]+a,n=e[2]+a;i.push(s,r,n),o+=3}}this.setIndex(i),this.setAttribute("position",new In(s,3)),this.setAttribute("normal",new In(r,3)),this.setAttribute("uv",new In(n,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}toJSON(){const t=super.toJSON();return function(t,e){if(e.shapes=[],Array.isArray(t))for(let i=0,s=t.length;i<s;i++){const s=t[i];e.shapes.push(s.uuid)}else e.shapes.push(t.uuid);return e}(this.parameters.shapes,t)}static fromJSON(t,e){const i=[];for(let s=0,r=t.shapes.length;s<r;s++){const r=e[t.shapes[s]];i.push(r)}return new Bl(i,t.curveSegments)}}class Ol extends Dn{constructor(t=1,e=32,i=16,s=0,r=2*Math.PI,n=0,a=Math.PI){super(),this.type="SphereGeometry",this.parameters={radius:t,widthSegments:e,heightSegments:i,phiStart:s,phiLength:r,thetaStart:n,thetaLength:a},e=Math.max(3,Math.floor(e)),i=Math.max(2,Math.floor(i));const o=Math.min(n+a,Math.PI);let h=0;const l=[],c=new _s,u=new _s,d=[],p=[],m=[],y=[];for(let d=0;d<=i;d++){const g=[],f=d/i;let x=0;0===d&&0===n?x=.5/e:d===i&&o===Math.PI&&(x=-.5/e);for(let i=0;i<=e;i++){const o=i/e;c.x=-t*Math.cos(s+o*r)*Math.sin(n+f*a),c.y=t*Math.cos(n+f*a),c.z=t*Math.sin(s+o*r)*Math.sin(n+f*a),p.push(c.x,c.y,c.z),u.copy(c).normalize(),m.push(u.x,u.y,u.z),y.push(o+x,1-f),g.push(h++)}l.push(g)}for(let t=0;t<i;t++)for(let s=0;s<e;s++){const e=l[t][s+1],r=l[t][s],a=l[t+1][s],h=l[t+1][s+1];(0!==t||n>0)&&d.push(e,r,h),(t!==i-1||o<Math.PI)&&d.push(r,a,h)}this.setIndex(d),this.setAttribute("position",new In(p,3)),this.setAttribute("normal",new In(m,3)),this.setAttribute("uv",new In(y,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Ol(t.radius,t.widthSegments,t.heightSegments,t.phiStart,t.phiLength,t.thetaStart,t.thetaLength)}}class Pl extends xh{constructor(t=1,e=0){super([1,1,1,-1,-1,1,-1,1,-1,1,-1,-1],[2,1,0,0,3,2,1,3,0,2,3,1],t,e),this.type="TetrahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new Pl(t.radius,t.detail)}}class Rl extends Dn{constructor(t=1,e=.4,i=12,s=48,r=2*Math.PI,n=0,a=2*Math.PI){super(),this.type="TorusGeometry",this.parameters={radius:t,tube:e,radialSegments:i,tubularSegments:s,arc:r,thetaStart:n,thetaLength:a},i=Math.floor(i),s=Math.floor(s);const o=[],h=[],l=[],c=[],u=new _s,d=new _s,p=new _s;for(let o=0;o<=i;o++){const m=n+o/i*a;for(let n=0;n<=s;n++){const a=n/s*r;d.x=(t+e*Math.cos(m))*Math.cos(a),d.y=(t+e*Math.cos(m))*Math.sin(a),d.z=e*Math.sin(m),h.push(d.x,d.y,d.z),u.x=t*Math.cos(a),u.y=t*Math.sin(a),p.subVectors(d,u).normalize(),l.push(p.x,p.y,p.z),c.push(n/s),c.push(o/i)}}for(let t=1;t<=i;t++)for(let e=1;e<=s;e++){const i=(s+1)*t+e-1,r=(s+1)*(t-1)+e-1,n=(s+1)*(t-1)+e,a=(s+1)*t+e;o.push(i,r,a),o.push(r,n,a)}this.setIndex(o),this.setAttribute("position",new In(h,3)),this.setAttribute("normal",new In(l,3)),this.setAttribute("uv",new In(c,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Rl(t.radius,t.tube,t.radialSegments,t.tubularSegments,t.arc)}}class Nl extends Dn{constructor(t=1,e=.4,i=64,s=8,r=2,n=3){super(),this.type="TorusKnotGeometry",this.parameters={radius:t,tube:e,tubularSegments:i,radialSegments:s,p:r,q:n},i=Math.floor(i),s=Math.floor(s);const a=[],o=[],h=[],l=[],c=new _s,u=new _s,d=new _s,p=new _s,m=new _s,y=new _s,g=new _s;for(let a=0;a<=i;++a){const x=a/i*r*Math.PI*2;f(x,r,n,t,d),f(x+.01,r,n,t,p),y.subVectors(p,d),g.addVectors(p,d),m.crossVectors(y,g),g.crossVectors(m,y),m.normalize(),g.normalize();for(let t=0;t<=s;++t){const r=t/s*Math.PI*2,n=-e*Math.cos(r),p=e*Math.sin(r);c.x=d.x+(n*g.x+p*m.x),c.y=d.y+(n*g.y+p*m.y),c.z=d.z+(n*g.z+p*m.z),o.push(c.x,c.y,c.z),u.subVectors(c,d).normalize(),h.push(u.x,u.y,u.z),l.push(a/i),l.push(t/s)}}for(let t=1;t<=i;t++)for(let e=1;e<=s;e++){const i=(s+1)*(t-1)+(e-1),r=(s+1)*t+(e-1),n=(s+1)*t+e,o=(s+1)*(t-1)+e;a.push(i,r,o),a.push(r,n,o)}function f(t,e,i,s,r){const n=Math.cos(t),a=Math.sin(t),o=i/e*t,h=Math.cos(o);r.x=s*(2+h)*.5*n,r.y=s*(2+h)*a*.5,r.z=s*Math.sin(o)*.5}this.setIndex(a),this.setAttribute("position",new In(o,3)),this.setAttribute("normal",new In(h,3)),this.setAttribute("uv",new In(l,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Nl(t.radius,t.tube,t.tubularSegments,t.radialSegments,t.p,t.q)}}class Vl extends Dn{constructor(t=new Wh(new _s(-1,-1,0),new _s(-1,1,0),new _s(1,1,0)),e=64,i=1,s=8,r=!1){super(),this.type="TubeGeometry",this.parameters={path:t,tubularSegments:e,radius:i,radialSegments:s,closed:r};const n=t.computeFrenetFrames(e,r);this.tangents=n.tangents,this.normals=n.normals,this.binormals=n.binormals;const a=new _s,o=new _s,h=new Ms;let l=new _s;const c=[],u=[],d=[],p=[];function m(r){l=t.getPointAt(r/e,l);const h=n.normals[r],d=n.binormals[r];for(let t=0;t<=s;t++){const e=t/s*Math.PI*2,r=Math.sin(e),n=-Math.cos(e);o.x=n*h.x+r*d.x,o.y=n*h.y+r*d.y,o.z=n*h.z+r*d.z,o.normalize(),u.push(o.x,o.y,o.z),a.x=l.x+i*o.x,a.y=l.y+i*o.y,a.z=l.z+i*o.z,c.push(a.x,a.y,a.z)}}!function(){for(let t=0;t<e;t++)m(t);m(!1===r?e:0),function(){for(let t=0;t<=e;t++)for(let i=0;i<=s;i++)h.x=t/e,h.y=i/s,d.push(h.x,h.y)}(),function(){for(let t=1;t<=e;t++)for(let e=1;e<=s;e++){const i=(s+1)*(t-1)+(e-1),r=(s+1)*t+(e-1),n=(s+1)*t+e,a=(s+1)*(t-1)+e;p.push(i,r,a),p.push(r,n,a)}}()}(),this.setIndex(p),this.setAttribute("position",new In(c,3)),this.setAttribute("normal",new In(u,3)),this.setAttribute("uv",new In(d,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}toJSON(){const t=super.toJSON();return t.path=this.parameters.path.toJSON(),t}static fromJSON(t){return new Vl((new Jh[t.path.type]).fromJSON(t.path),t.tubularSegments,t.radius,t.radialSegments,t.closed)}}class El extends Dn{constructor(t=null){if(super(),this.type="WireframeGeometry",this.parameters={geometry:t},null!==t){const e=[],i=new Set,s=new _s,r=new _s;if(null!==t.index){const n=t.attributes.position,a=t.index;let o=t.groups;0===o.length&&(o=[{start:0,count:a.count,materialIndex:0}]);for(let t=0,h=o.length;t<h;++t){const h=o[t],l=h.start;for(let t=l,o=l+h.count;t<o;t+=3)for(let o=0;o<3;o++){const h=a.getX(t+o),l=a.getX(t+(o+1)%3);s.fromBufferAttribute(n,h),r.fromBufferAttribute(n,l),!0===Fl(s,r,i)&&(e.push(s.x,s.y,s.z),e.push(r.x,r.y,r.z))}}}else{const n=t.attributes.position;for(let t=0,a=n.count/3;t<a;t++)for(let a=0;a<3;a++){const o=3*t+a,h=3*t+(a+1)%3;s.fromBufferAttribute(n,o),r.fromBufferAttribute(n,h),!0===Fl(s,r,i)&&(e.push(s.x,s.y,s.z),e.push(r.x,r.y,r.z))}}this.setAttribute("position",new In(e,3))}}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}}function Fl(t,e,i){const s=`${t.x},${t.y},${t.z}-${e.x},${e.y},${e.z}`,r=`${e.x},${e.y},${e.z}-${t.x},${t.y},${t.z}`;return!0!==i.has(s)&&!0!==i.has(r)&&(i.add(s),i.add(r),!0)}var Ll=Object.freeze({__proto__:null,BoxGeometry:ph,CapsuleGeometry:mh,CircleGeometry:yh,ConeGeometry:fh,CylinderGeometry:gh,DodecahedronGeometry:bh,EdgesGeometry:_h,ExtrudeGeometry:_l,IcosahedronGeometry:Tl,LatheGeometry:zl,OctahedronGeometry:Cl,PlaneGeometry:Il,PolyhedronGeometry:xh,RingGeometry:kl,ShapeGeometry:Bl,SphereGeometry:Ol,TetrahedronGeometry:Pl,TorusGeometry:Rl,TorusKnotGeometry:Nl,TubeGeometry:Vl,WireframeGeometry:El});class jl extends Yn{constructor(t){super(),this.isShadowMaterial=!0,this.type="ShadowMaterial",this.color=new Br(0),this.transparent=!0,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.fog=t.fog,this}}function Dl(t){const e={};for(const i in t){e[i]={};for(const s in t[i]){const r=t[i][s];r&&(r.isColor||r.isMatrix3||r.isMatrix4||r.isVector2||r.isVector3||r.isVector4||r.isTexture||r.isQuaternion)?r.isRenderTargetTexture?(as("UniformsUtils: Textures of render targets cannot be cloned via cloneUniforms() or mergeUniforms()."),e[i][s]=null):e[i][s]=r.clone():Array.isArray(r)?e[i][s]=r.slice():e[i][s]=r}}return e}function Wl(t){const e={};for(let i=0;i<t.length;i++){const s=Dl(t[i]);for(const t in s)e[t]=s[t]}return e}function Ul(t){const e=t.getRenderTarget();return null===e?t.outputColorSpace:!0===e.isXRRenderTarget?e.texture.colorSpace:Os.workingColorSpace}const Jl={clone:Dl,merge:Wl};class ql extends Yn{constructor(t){super(),this.isShaderMaterial=!0,this.type="ShaderMaterial",this.defines={},this.uniforms={},this.uniformsGroups=[],this.vertexShader="void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",this.fragmentShader="void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}",this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.forceSinglePass=!0,this.extensions={clipCullDistance:!1,multiDraw:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv1:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,void 0!==t&&this.setValues(t)}copy(t){return super.copy(t),this.fragmentShader=t.fragmentShader,this.vertexShader=t.vertexShader,this.uniforms=Dl(t.uniforms),this.uniformsGroups=function(t){const e=[];for(let i=0;i<t.length;i++)e.push(t[i].clone());return e}(t.uniformsGroups),this.defines=Object.assign({},t.defines),this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.fog=t.fog,this.lights=t.lights,this.clipping=t.clipping,this.extensions=Object.assign({},t.extensions),this.glslVersion=t.glslVersion,this.defaultAttributeValues=Object.assign({},t.defaultAttributeValues),this.index0AttributeName=t.index0AttributeName,this.uniformsNeedUpdate=t.uniformsNeedUpdate,this}toJSON(t){const e=super.toJSON(t);e.glslVersion=this.glslVersion,e.uniforms={};for(const i in this.uniforms){const s=this.uniforms[i].value;s&&s.isTexture?e.uniforms[i]={type:"t",value:s.toJSON(t).uuid}:s&&s.isColor?e.uniforms[i]={type:"c",value:s.getHex()}:s&&s.isVector2?e.uniforms[i]={type:"v2",value:s.toArray()}:s&&s.isVector3?e.uniforms[i]={type:"v3",value:s.toArray()}:s&&s.isVector4?e.uniforms[i]={type:"v4",value:s.toArray()}:s&&s.isMatrix3?e.uniforms[i]={type:"m3",value:s.toArray()}:s&&s.isMatrix4?e.uniforms[i]={type:"m4",value:s.toArray()}:e.uniforms[i]={value:s}}Object.keys(this.defines).length>0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader,e.lights=this.lights,e.clipping=this.clipping;const i={};for(const t in this.extensions)!0===this.extensions[t]&&(i[t]=!0);return Object.keys(i).length>0&&(e.extensions=i),e}}class Xl extends ql{constructor(t){super(t),this.isRawShaderMaterial=!0,this.type="RawShaderMaterial"}}class Yl extends Yn{constructor(t){super(),this.isMeshStandardMaterial=!0,this.type="MeshStandardMaterial",this.defines={STANDARD:""},this.color=new Br(16777215),this.roughness=1,this.metalness=0,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Br(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Ms(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new ar,this.envMapIntensity=1,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={STANDARD:""},this.color.copy(t.color),this.roughness=t.roughness,this.metalness=t.metalness,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.roughnessMap=t.roughnessMap,this.metalnessMap=t.metalnessMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.envMapIntensity=t.envMapIntensity,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Hl extends Yl{constructor(t){super(),this.isMeshPhysicalMaterial=!0,this.defines={STANDARD:"",PHYSICAL:""},this.type="MeshPhysicalMaterial",this.anisotropyRotation=0,this.anisotropyMap=null,this.clearcoatMap=null,this.clearcoatRoughness=0,this.clearcoatRoughnessMap=null,this.clearcoatNormalScale=new Ms(1,1),this.clearcoatNormalMap=null,this.ior=1.5,Object.defineProperty(this,"reflectivity",{get:function(){return gs(2.5*(this.ior-1)/(this.ior+1),0,1)},set:function(t){this.ior=(1+.4*t)/(1-.4*t)}}),this.iridescenceMap=null,this.iridescenceIOR=1.3,this.iridescenceThicknessRange=[100,400],this.iridescenceThicknessMap=null,this.sheenColor=new Br(0),this.sheenColorMap=null,this.sheenRoughness=1,this.sheenRoughnessMap=null,this.transmissionMap=null,this.thickness=0,this.thicknessMap=null,this.attenuationDistance=1/0,this.attenuationColor=new Br(1,1,1),this.specularIntensity=1,this.specularIntensityMap=null,this.specularColor=new Br(1,1,1),this.specularColorMap=null,this._anisotropy=0,this._clearcoat=0,this._dispersion=0,this._iridescence=0,this._sheen=0,this._transmission=0,this.setValues(t)}get anisotropy(){return this._anisotropy}set anisotropy(t){this._anisotropy>0!=t>0&&this.version++,this._anisotropy=t}get clearcoat(){return this._clearcoat}set clearcoat(t){this._clearcoat>0!=t>0&&this.version++,this._clearcoat=t}get iridescence(){return this._iridescence}set iridescence(t){this._iridescence>0!=t>0&&this.version++,this._iridescence=t}get dispersion(){return this._dispersion}set dispersion(t){this._dispersion>0!=t>0&&this.version++,this._dispersion=t}get sheen(){return this._sheen}set sheen(t){this._sheen>0!=t>0&&this.version++,this._sheen=t}get transmission(){return this._transmission}set transmission(t){this._transmission>0!=t>0&&this.version++,this._transmission=t}copy(t){return super.copy(t),this.defines={STANDARD:"",PHYSICAL:""},this.anisotropy=t.anisotropy,this.anisotropyRotation=t.anisotropyRotation,this.anisotropyMap=t.anisotropyMap,this.clearcoat=t.clearcoat,this.clearcoatMap=t.clearcoatMap,this.clearcoatRoughness=t.clearcoatRoughness,this.clearcoatRoughnessMap=t.clearcoatRoughnessMap,this.clearcoatNormalMap=t.clearcoatNormalMap,this.clearcoatNormalScale.copy(t.clearcoatNormalScale),this.dispersion=t.dispersion,this.ior=t.ior,this.iridescence=t.iridescence,this.iridescenceMap=t.iridescenceMap,this.iridescenceIOR=t.iridescenceIOR,this.iridescenceThicknessRange=[...t.iridescenceThicknessRange],this.iridescenceThicknessMap=t.iridescenceThicknessMap,this.sheen=t.sheen,this.sheenColor.copy(t.sheenColor),this.sheenColorMap=t.sheenColorMap,this.sheenRoughness=t.sheenRoughness,this.sheenRoughnessMap=t.sheenRoughnessMap,this.transmission=t.transmission,this.transmissionMap=t.transmissionMap,this.thickness=t.thickness,this.thicknessMap=t.thicknessMap,this.attenuationDistance=t.attenuationDistance,this.attenuationColor.copy(t.attenuationColor),this.specularIntensity=t.specularIntensity,this.specularIntensityMap=t.specularIntensityMap,this.specularColor.copy(t.specularColor),this.specularColorMap=t.specularColorMap,this}}class Zl extends Yn{constructor(t){super(),this.isMeshPhongMaterial=!0,this.type="MeshPhongMaterial",this.color=new Br(16777215),this.specular=new Br(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Br(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Ms(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new ar,this.combine=0,this.reflectivity=1,this.envMapIntensity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.specular.copy(t.specular),this.shininess=t.shininess,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.envMapIntensity=t.envMapIntensity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Gl extends Yn{constructor(t){super(),this.isMeshToonMaterial=!0,this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new Br(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Br(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Ms(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.gradientMap=t.gradientMap,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}class $l extends Yn{constructor(t){super(),this.isMeshNormalMaterial=!0,this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Ms(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.flatShading=t.flatShading,this}}class Ql extends Yn{constructor(t){super(),this.isMeshLambertMaterial=!0,this.type="MeshLambertMaterial",this.color=new Br(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Br(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Ms(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new ar,this.combine=0,this.reflectivity=1,this.envMapIntensity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.envMapIntensity=t.envMapIntensity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Kl extends Yn{constructor(t){super(),this.isMeshDepthMaterial=!0,this.type="MeshDepthMaterial",this.depthPacking=3200,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.setValues(t)}copy(t){return super.copy(t),this.depthPacking=t.depthPacking,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this}}class tc extends Yn{constructor(t){super(),this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(t)}copy(t){return super.copy(t),this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this}}class ec extends Yn{constructor(t){super(),this.isMeshMatcapMaterial=!0,this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new Br(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Ms(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={MATCAP:""},this.color.copy(t.color),this.matcap=t.matcap,this.map=t.map,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.flatShading=t.flatShading,this.fog=t.fog,this}}class ic extends No{constructor(t){super(),this.isLineDashedMaterial=!0,this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(t)}copy(t){return super.copy(t),this.scale=t.scale,this.dashSize=t.dashSize,this.gapSize=t.gapSize,this}}function sc(t,e){return t&&t.constructor!==e?"number"==typeof e.BYTES_PER_ELEMENT?new e(t):Array.prototype.slice.call(t):t}function rc(t){const e=t.length,i=new Array(e);for(let t=0;t!==e;++t)i[t]=t;return i.sort(function(e,i){return t[e]-t[i]}),i}function nc(t,e,i){const s=t.length,r=new t.constructor(s);for(let n=0,a=0;a!==s;++n){const s=i[n]*e;for(let i=0;i!==e;++i)r[a++]=t[s+i]}return r}function ac(t,e,i,s){let r=1,n=t[0];for(;void 0!==n&&void 0===n[s];)n=t[r++];if(void 0===n)return;let a=n[s];if(void 0!==a)if(Array.isArray(a))do{a=n[s],void 0!==a&&(e.push(n.time),i.push(...a)),n=t[r++]}while(void 0!==n);else if(void 0!==a.toArray)do{a=n[s],void 0!==a&&(e.push(n.time),a.toArray(i,i.length)),n=t[r++]}while(void 0!==n);else do{a=n[s],void 0!==a&&(e.push(n.time),i.push(a)),n=t[r++]}while(void 0!==n)}class oc{static convertArray(t,e){return sc(t,e)}static isTypedArray(t){return $i(t)}static getKeyframeOrder(t){return rc(t)}static sortedArray(t,e,i){return nc(t,e,i)}static flattenJSON(t,e,i,s){ac(t,e,i,s)}static subclip(t,e,i,s,r=30){return function(t,e,i,s,r=30){const n=t.clone();n.name=e;const a=[];for(let t=0;t<n.tracks.length;++t){const e=n.tracks[t],o=e.getValueSize(),h=[],l=[];for(let t=0;t<e.times.length;++t){const n=e.times[t]*r;if(!(n<i||n>=s)){h.push(e.times[t]);for(let i=0;i<o;++i)l.push(e.values[t*o+i])}}0!==h.length&&(e.times=sc(h,e.times.constructor),e.values=sc(l,e.values.constructor),a.push(e))}n.tracks=a;let o=1/0;for(let t=0;t<n.tracks.length;++t)o>n.tracks[t].times[0]&&(o=n.tracks[t].times[0]);for(let t=0;t<n.tracks.length;++t)n.tracks[t].shift(-1*o);return n.resetDuration(),n}(t,e,i,s,r)}static makeClipAdditive(t,e=0,i=t,s=30){return function(t,e=0,i=t,s=30){s<=0&&(s=30);const r=i.tracks.length,n=e/s;for(let e=0;e<r;++e){const s=i.tracks[e],r=s.ValueTypeName;if("bool"===r||"string"===r)continue;const a=t.tracks.find(function(t){return t.name===s.name&&t.ValueTypeName===r});if(void 0===a)continue;let o=0;const h=s.getValueSize();s.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(o=h/3);let l=0;const c=a.getValueSize();a.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(l=c/3);const u=s.times.length-1;let d;if(n<=s.times[0]){const t=o,e=h-o;d=s.values.slice(t,e)}else if(n>=s.times[u]){const t=u*h+o,e=t+h-o;d=s.values.slice(t,e)}else{const t=s.createInterpolant(),e=o,i=h-o;t.evaluate(n),d=t.resultBuffer.slice(e,i)}"quaternion"===r&&(new Ss).fromArray(d).normalize().conjugate().toArray(d);const p=a.times.length;for(let t=0;t<p;++t){const e=t*c+l;if("quaternion"===r)Ss.multiplyQuaternionsFlat(a.values,e,d,0,a.values,e);else{const t=c-2*l;for(let i=0;i<t;++i)a.values[e+i]-=d[i]}}}return t.blendMode=Je,t}(t,e,i,s)}}class hc{constructor(t,e,i,s){this.parameterPositions=t,this._cachedIndex=0,this.resultBuffer=void 0!==s?s:new e.constructor(i),this.sampleValues=e,this.valueSize=i,this.settings=null,this.DefaultSettings_={}}evaluate(t){const e=this.parameterPositions;let i=this._cachedIndex,s=e[i],r=e[i-1];t:{e:{let n;i:{s:if(!(t<s)){for(let n=i+2;;){if(void 0===s){if(t<r)break s;return i=e.length,this._cachedIndex=i,this.copySampleValue_(i-1)}if(i===n)break;if(r=s,s=e[++i],t<s)break e}n=e.length;break i}if(!(t>=r)){const a=e[1];t<a&&(i=2,r=a);for(let n=i-2;;){if(void 0===r)return this._cachedIndex=0,this.copySampleValue_(0);if(i===n)break;if(s=r,r=e[--i-1],t>=r)break e}n=i,i=0;break i}break t}for(;i<n;){const s=i+n>>>1;t<e[s]?n=s:i=s+1}if(s=e[i],r=e[i-1],void 0===r)return this._cachedIndex=0,this.copySampleValue_(0);if(void 0===s)return i=e.length,this._cachedIndex=i,this.copySampleValue_(i-1)}this._cachedIndex=i,this.intervalChanged_(i,r,s)}return this.interpolate_(i,r,t,s)}getSettings_(){return this.settings||this.DefaultSettings_}copySampleValue_(t){const e=this.resultBuffer,i=this.sampleValues,s=this.valueSize,r=t*s;for(let t=0;t!==s;++t)e[t]=i[r+t];return e}interpolate_(){throw new Error("call to abstract method")}intervalChanged_(){}}class lc extends hc{constructor(t,e,i,s){super(t,e,i,s),this._weightPrev=-0,this._offsetPrev=-0,this._weightNext=-0,this._offsetNext=-0,this.DefaultSettings_={endingStart:je,endingEnd:je}}intervalChanged_(t,e,i){const s=this.parameterPositions;let r=t-2,n=t+1,a=s[r],o=s[n];if(void 0===a)switch(this.getSettings_().endingStart){case De:r=t,a=2*e-i;break;case We:r=s.length-2,a=e+s[r]-s[r+1];break;default:r=t,a=i}if(void 0===o)switch(this.getSettings_().endingEnd){case De:n=t,o=2*i-e;break;case We:n=1,o=i+s[1]-s[0];break;default:n=t-1,o=e}const h=.5*(i-e),l=this.valueSize;this._weightPrev=h/(e-a),this._weightNext=h/(o-i),this._offsetPrev=r*l,this._offsetNext=n*l}interpolate_(t,e,i,s){const r=this.resultBuffer,n=this.sampleValues,a=this.valueSize,o=t*a,h=o-a,l=this._offsetPrev,c=this._offsetNext,u=this._weightPrev,d=this._weightNext,p=(i-e)/(s-e),m=p*p,y=m*p,g=-u*y+2*u*m-u*p,f=(1+u)*y+(-1.5-2*u)*m+(-.5+u)*p+1,x=(-1-d)*y+(1.5+d)*m+.5*p,b=d*y-d*m;for(let t=0;t!==a;++t)r[t]=g*n[l+t]+f*n[h+t]+x*n[o+t]+b*n[c+t];return r}}class cc extends hc{constructor(t,e,i,s){super(t,e,i,s)}interpolate_(t,e,i,s){const r=this.resultBuffer,n=this.sampleValues,a=this.valueSize,o=t*a,h=o-a,l=(i-e)/(s-e),c=1-l;for(let t=0;t!==a;++t)r[t]=n[h+t]*c+n[o+t]*l;return r}}class uc extends hc{constructor(t,e,i,s){super(t,e,i,s)}interpolate_(t){return this.copySampleValue_(t-1)}}class dc extends hc{interpolate_(t,e,i,s){const r=this.resultBuffer,n=this.sampleValues,a=this.valueSize,o=t*a,h=o-a,l=this.settings||this.DefaultSettings_,c=l.inTangents,u=l.outTangents;if(!c||!u){const t=(i-e)/(s-e),l=1-t;for(let e=0;e!==a;++e)r[e]=n[h+e]*l+n[o+e]*t;return r}const d=2*a,p=t-1;for(let l=0;l!==a;++l){const a=n[h+l],m=n[o+l],y=p*d+2*l,g=u[y],f=u[y+1],x=t*d+2*l,b=c[x],v=c[x+1];let w,M,S,_,A,T=(i-e)/(s-e);for(let t=0;t<8;t++){w=T*T,M=w*T,S=1-T,_=S*S,A=_*S;const t=A*e+3*_*T*g+3*S*w*b+M*s-i;if(Math.abs(t)<1e-10)break;const r=3*_*(g-e)+6*S*T*(b-g)+3*w*(s-b);if(Math.abs(r)<1e-10)break;T-=t/r,T=Math.max(0,Math.min(1,T))}r[l]=A*a+3*_*T*f+3*S*w*v+M*m}return r}}class pc{constructor(t,e,i,s){if(void 0===t)throw new Error("THREE.KeyframeTrack: track name is undefined");if(void 0===e||0===e.length)throw new Error("THREE.KeyframeTrack: no keyframes in track named "+t);this.name=t,this.times=sc(e,this.TimeBufferType),this.values=sc(i,this.ValueBufferType),this.setInterpolation(s||this.DefaultInterpolation)}static toJSON(t){const e=t.constructor;let i;if(e.toJSON!==this.toJSON)i=e.toJSON(t);else{i={name:t.name,times:sc(t.times,Array),values:sc(t.values,Array)};const e=t.getInterpolation();e!==t.DefaultInterpolation&&(i.interpolation=e)}return i.type=t.ValueTypeName,i}InterpolantFactoryMethodDiscrete(t){return new uc(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodLinear(t){return new cc(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodSmooth(t){return new lc(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodBezier(t){const e=new dc(this.times,this.values,this.getValueSize(),t);return this.settings&&(e.settings=this.settings),e}setInterpolation(t){let e;switch(t){case Ve:e=this.InterpolantFactoryMethodDiscrete;break;case Ee:e=this.InterpolantFactoryMethodLinear;break;case Fe:e=this.InterpolantFactoryMethodSmooth;break;case Le:e=this.InterpolantFactoryMethodBezier}if(void 0===e){const e="unsupported interpolation for "+this.ValueTypeName+" keyframe track named "+this.name;if(void 0===this.createInterpolant){if(t===this.DefaultInterpolation)throw new Error(e);this.setInterpolation(this.DefaultInterpolation)}return as("KeyframeTrack:",e),this}return this.createInterpolant=e,this}getInterpolation(){switch(this.createInterpolant){case this.InterpolantFactoryMethodDiscrete:return Ve;case this.InterpolantFactoryMethodLinear:return Ee;case this.InterpolantFactoryMethodSmooth:return Fe;case this.InterpolantFactoryMethodBezier:return Le}}getValueSize(){return this.values.length/this.times.length}shift(t){if(0!==t){const e=this.times;for(let i=0,s=e.length;i!==s;++i)e[i]+=t}return this}scale(t){if(1!==t){const e=this.times;for(let i=0,s=e.length;i!==s;++i)e[i]*=t}return this}trim(t,e){const i=this.times,s=i.length;let r=0,n=s-1;for(;r!==s&&i[r]<t;)++r;for(;-1!==n&&i[n]>e;)--n;if(++n,0!==r||n!==s){r>=n&&(n=Math.max(n,1),r=n-1);const t=this.getValueSize();this.times=i.slice(r,n),this.values=this.values.slice(r*t,n*t)}return this}validate(){let t=!0;const e=this.getValueSize();e-Math.floor(e)!==0&&(os("KeyframeTrack: Invalid value size in track.",this),t=!1);const i=this.times,s=this.values,r=i.length;0===r&&(os("KeyframeTrack: Track is empty.",this),t=!1);let n=null;for(let e=0;e!==r;e++){const s=i[e];if("number"==typeof s&&isNaN(s)){os("KeyframeTrack: Time is not a valid number.",this,e,s),t=!1;break}if(null!==n&&n>s){os("KeyframeTrack: Out of order keys.",this,e,s,n),t=!1;break}n=s}if(void 0!==s&&$i(s))for(let e=0,i=s.length;e!==i;++e){const i=s[e];if(isNaN(i)){os("KeyframeTrack: Value is not a valid number.",this,e,i),t=!1;break}}return t}optimize(){const t=this.times.slice(),e=this.values.slice(),i=this.getValueSize(),s=this.getInterpolation()===Fe,r=t.length-1;let n=1;for(let a=1;a<r;++a){let r=!1;const o=t[a];if(o!==t[a+1]&&(1!==a||o!==t[0]))if(s)r=!0;else{const t=a*i,s=t-i,n=t+i;for(let a=0;a!==i;++a){const i=e[t+a];if(i!==e[s+a]||i!==e[n+a]){r=!0;break}}}if(r){if(a!==n){t[n]=t[a];const s=a*i,r=n*i;for(let t=0;t!==i;++t)e[r+t]=e[s+t]}++n}}if(r>0){t[n]=t[r];for(let t=r*i,s=n*i,a=0;a!==i;++a)e[s+a]=e[t+a];++n}return n!==t.length?(this.times=t.slice(0,n),this.values=e.slice(0,n*i)):(this.times=t,this.values=e),this}clone(){const t=this.times.slice(),e=this.values.slice(),i=new(0,this.constructor)(this.name,t,e);return i.createInterpolant=this.createInterpolant,i}}pc.prototype.ValueTypeName="",pc.prototype.TimeBufferType=Float32Array,pc.prototype.ValueBufferType=Float32Array,pc.prototype.DefaultInterpolation=Ee;class mc extends pc{constructor(t,e,i){super(t,e,i)}}mc.prototype.ValueTypeName="bool",mc.prototype.ValueBufferType=Array,mc.prototype.DefaultInterpolation=Ve,mc.prototype.InterpolantFactoryMethodLinear=void 0,mc.prototype.InterpolantFactoryMethodSmooth=void 0;class yc extends pc{constructor(t,e,i,s){super(t,e,i,s)}}yc.prototype.ValueTypeName="color";class gc extends pc{constructor(t,e,i,s){super(t,e,i,s)}}gc.prototype.ValueTypeName="number";class fc extends hc{constructor(t,e,i,s){super(t,e,i,s)}interpolate_(t,e,i,s){const r=this.resultBuffer,n=this.sampleValues,a=this.valueSize,o=(i-e)/(s-e);let h=t*a;for(let t=h+a;h!==t;h+=4)Ss.slerpFlat(r,0,n,h-a,n,h,o);return r}}class xc extends pc{constructor(t,e,i,s){super(t,e,i,s)}InterpolantFactoryMethodLinear(t){return new fc(this.times,this.values,this.getValueSize(),t)}}xc.prototype.ValueTypeName="quaternion",xc.prototype.InterpolantFactoryMethodSmooth=void 0;class bc extends pc{constructor(t,e,i){super(t,e,i)}}bc.prototype.ValueTypeName="string",bc.prototype.ValueBufferType=Array,bc.prototype.DefaultInterpolation=Ve,bc.prototype.InterpolantFactoryMethodLinear=void 0,bc.prototype.InterpolantFactoryMethodSmooth=void 0;class vc extends pc{constructor(t,e,i,s){super(t,e,i,s)}}vc.prototype.ValueTypeName="vector";class wc{constructor(t="",e=-1,i=[],s=2500){this.name=t,this.tracks=i,this.duration=e,this.blendMode=s,this.uuid=ys(),this.userData={},this.duration<0&&this.resetDuration()}static parse(t){const e=[],i=t.tracks,s=1/(t.fps||1);for(let t=0,r=i.length;t!==r;++t)e.push(Mc(i[t]).scale(s));const r=new this(t.name,t.duration,e,t.blendMode);return r.uuid=t.uuid,r.userData=JSON.parse(t.userData||"{}"),r}static toJSON(t){const e=[],i=t.tracks,s={name:t.name,duration:t.duration,tracks:e,uuid:t.uuid,blendMode:t.blendMode,userData:JSON.stringify(t.userData)};for(let t=0,s=i.length;t!==s;++t)e.push(pc.toJSON(i[t]));return s}static CreateFromMorphTargetSequence(t,e,i,s){const r=e.length,n=[];for(let t=0;t<r;t++){let a=[],o=[];a.push((t+r-1)%r,t,(t+1)%r),o.push(0,1,0);const h=rc(a);a=nc(a,1,h),o=nc(o,1,h),s||0!==a[0]||(a.push(r),o.push(o[0])),n.push(new gc(".morphTargetInfluences["+e[t].name+"]",a,o).scale(1/i))}return new this(t,-1,n)}static findByName(t,e){let i=t;if(!Array.isArray(t)){const e=t;i=e.geometry&&e.geometry.animations||e.animations}for(let t=0;t<i.length;t++)if(i[t].name===e)return i[t];return null}static CreateClipsFromMorphTargetSequences(t,e,i){const s={},r=/^([\w-]*?)([\d]+)$/;for(let e=0,i=t.length;e<i;e++){const i=t[e],n=i.name.match(r);if(n&&n.length>1){const t=n[1];let e=s[t];e||(s[t]=e=[]),e.push(i)}}const n=[];for(const t in s)n.push(this.CreateFromMorphTargetSequence(t,s[t],e,i));return n}static parseAnimation(t,e){if(as("AnimationClip: parseAnimation() is deprecated and will be removed with r185"),!t)return os("AnimationClip: No animation in JSONLoader data."),null;const i=function(t,e,i,s,r){if(0!==i.length){const n=[],a=[];ac(i,n,a,s),0!==n.length&&r.push(new t(e,n,a))}},s=[],r=t.name||"default",n=t.fps||30,a=t.blendMode;let o=t.length||-1;const h=t.hierarchy||[];for(let t=0;t<h.length;t++){const r=h[t].keys;if(r&&0!==r.length)if(r[0].morphTargets){const t={};let e;for(e=0;e<r.length;e++)if(r[e].morphTargets)for(let i=0;i<r[e].morphTargets.length;i++)t[r[e].morphTargets[i]]=-1;for(const i in t){const t=[],n=[];for(let s=0;s!==r[e].morphTargets.length;++s){const s=r[e];t.push(s.time),n.push(s.morphTarget===i?1:0)}s.push(new gc(".morphTargetInfluence["+i+"]",t,n))}o=t.length*n}else{const n=".bones["+e[t].name+"]";i(vc,n+".position",r,"pos",s),i(xc,n+".quaternion",r,"rot",s),i(vc,n+".scale",r,"scl",s)}}if(0===s.length)return null;return new this(r,o,s,a)}resetDuration(){let t=0;for(let e=0,i=this.tracks.length;e!==i;++e){const i=this.tracks[e];t=Math.max(t,i.times[i.times.length-1])}return this.duration=t,this}trim(){for(let t=0;t<this.tracks.length;t++)this.tracks[t].trim(0,this.duration);return this}validate(){let t=!0;for(let e=0;e<this.tracks.length;e++)t=t&&this.tracks[e].validate();return t}optimize(){for(let t=0;t<this.tracks.length;t++)this.tracks[t].optimize();return this}clone(){const t=[];for(let e=0;e<this.tracks.length;e++)t.push(this.tracks[e].clone());const e=new this.constructor(this.name,this.duration,t,this.blendMode);return e.userData=JSON.parse(JSON.stringify(this.userData)),e}toJSON(){return this.constructor.toJSON(this)}}function Mc(t){if(void 0===t.type)throw new Error("THREE.KeyframeTrack: track type undefined, can not parse");const e=function(t){switch(t.toLowerCase()){case"scalar":case"double":case"float":case"number":case"integer":return gc;case"vector":case"vector2":case"vector3":case"vector4":return vc;case"color":return yc;case"quaternion":return xc;case"bool":case"boolean":return mc;case"string":return bc}throw new Error("THREE.KeyframeTrack: Unsupported typeName: "+t)}(t.type);if(void 0===t.times){const e=[],i=[];ac(t.keys,e,i,"value"),t.times=e,t.values=i}return void 0!==e.parse?e.parse(t):new e(t.name,t.times,t.values,t.interpolation)}const Sc={enabled:!1,files:{},add:function(t,e){!1!==this.enabled&&(this.files[t]=e)},get:function(t){if(!1!==this.enabled)return this.files[t]},remove:function(t){delete this.files[t]},clear:function(){this.files={}}};class _c{constructor(t,e,i){const s=this;let r,n=!1,a=0,o=0;const h=[];this.onStart=void 0,this.onLoad=t,this.onProgress=e,this.onError=i,this._abortController=null,this.itemStart=function(t){o++,!1===n&&void 0!==s.onStart&&s.onStart(t,a,o),n=!0},this.itemEnd=function(t){a++,void 0!==s.onProgress&&s.onProgress(t,a,o),a===o&&(n=!1,void 0!==s.onLoad&&s.onLoad())},this.itemError=function(t){void 0!==s.onError&&s.onError(t)},this.resolveURL=function(t){return r?r(t):t},this.setURLModifier=function(t){return r=t,this},this.addHandler=function(t,e){return h.push(t,e),this},this.removeHandler=function(t){const e=h.indexOf(t);return-1!==e&&h.splice(e,2),this},this.getHandler=function(t){for(let e=0,i=h.length;e<i;e+=2){const i=h[e],s=h[e+1];if(i.global&&(i.lastIndex=0),i.test(t))return s}return null},this.abort=function(){return this.abortController.abort(),this._abortController=null,this}}get abortController(){return this._abortController||(this._abortController=new AbortController),this._abortController}}const Ac=new _c;class Tc{constructor(t){this.manager=void 0!==t?t:Ac,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}load(){}loadAsync(t,e){const i=this;return new Promise(function(s,r){i.load(t,s,e,r)})}parse(){}setCrossOrigin(t){return this.crossOrigin=t,this}setWithCredentials(t){return this.withCredentials=t,this}setPath(t){return this.path=t,this}setResourcePath(t){return this.resourcePath=t,this}setRequestHeader(t){return this.requestHeader=t,this}abort(){return this}}Tc.DEFAULT_MATERIAL_NAME="__DEFAULT";const zc={};class Cc extends Error{constructor(t,e){super(t),this.response=e}}class Ic extends Tc{constructor(t){super(t),this.mimeType="",this.responseType="",this._abortController=new AbortController}load(t,e,i,s){void 0===t&&(t=""),void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=Sc.get(`file:${t}`);if(void 0!==r)return this.manager.itemStart(t),setTimeout(()=>{e&&e(r),this.manager.itemEnd(t)},0),r;if(void 0!==zc[t])return void zc[t].push({onLoad:e,onProgress:i,onError:s});zc[t]=[],zc[t].push({onLoad:e,onProgress:i,onError:s});const n=new Request(t,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin",signal:"function"==typeof AbortSignal.any?AbortSignal.any([this._abortController.signal,this.manager.abortController.signal]):this._abortController.signal}),a=this.mimeType,o=this.responseType;fetch(n).then(e=>{if(200===e.status||0===e.status){if(0===e.status&&as("FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===e.body||void 0===e.body.getReader)return e;const i=zc[t],s=e.body.getReader(),r=e.headers.get("X-File-Size")||e.headers.get("Content-Length"),n=r?parseInt(r):0,a=0!==n;let o=0;const h=new ReadableStream({start(t){!function e(){s.read().then(({done:s,value:r})=>{if(s)t.close();else{o+=r.byteLength;const s=new ProgressEvent("progress",{lengthComputable:a,loaded:o,total:n});for(let t=0,e=i.length;t<e;t++){const e=i[t];e.onProgress&&e.onProgress(s)}t.enqueue(r),e()}},e=>{t.error(e)})}()}});return new Response(h)}throw new Cc(`fetch for "${e.url}" responded with ${e.status}: ${e.statusText}`,e)}).then(t=>{switch(o){case"arraybuffer":return t.arrayBuffer();case"blob":return t.blob();case"document":return t.text().then(t=>(new DOMParser).parseFromString(t,a));case"json":return t.json();default:if(""===a)return t.text();{const e=/charset="?([^;"\s]*)"?/i.exec(a),i=e&&e[1]?e[1].toLowerCase():void 0,s=new TextDecoder(i);return t.arrayBuffer().then(t=>s.decode(t))}}}).then(e=>{Sc.add(`file:${t}`,e);const i=zc[t];delete zc[t];for(let t=0,s=i.length;t<s;t++){const s=i[t];s.onLoad&&s.onLoad(e)}}).catch(e=>{const i=zc[t];if(void 0===i)throw this.manager.itemError(t),e;delete zc[t];for(let t=0,s=i.length;t<s;t++){const s=i[t];s.onError&&s.onError(e)}this.manager.itemError(t)}).finally(()=>{this.manager.itemEnd(t)}),this.manager.itemStart(t)}setResponseType(t){return this.responseType=t,this}setMimeType(t){return this.mimeType=t,this}abort(){return this._abortController.abort(),this._abortController=new AbortController,this}}class kc extends Tc{constructor(t){super(t)}load(t,e,i,s){const r=this,n=new Ic(this.manager);n.setPath(this.path),n.setRequestHeader(this.requestHeader),n.setWithCredentials(this.withCredentials),n.load(t,function(i){try{e(r.parse(JSON.parse(i)))}catch(e){s?s(e):os(e),r.manager.itemError(t)}},i,s)}parse(t){const e=[];for(let i=0;i<t.length;i++){const s=wc.parse(t[i]);e.push(s)}return e}}class Bc extends Tc{constructor(t){super(t)}load(t,e,i,s){const r=this,n=[],a=new nh,o=new Ic(this.manager);o.setPath(this.path),o.setResponseType("arraybuffer"),o.setRequestHeader(this.requestHeader),o.setWithCredentials(r.withCredentials);let h=0;function l(l){o.load(t[l],function(t){const i=r.parse(t,!0);n[l]={width:i.width,height:i.height,format:i.format,mipmaps:i.mipmaps},h+=1,6===h&&(1===i.mipmapCount&&(a.minFilter=Mt),a.image=n,a.format=i.format,a.needsUpdate=!0,e&&e(a))},i,s)}if(Array.isArray(t))for(let e=0,i=t.length;e<i;++e)l(e);else o.load(t,function(t){const i=r.parse(t,!0);if(i.isCubemap){const t=i.mipmaps.length/i.mipmapCount;for(let e=0;e<t;e++){n[e]={mipmaps:[]};for(let t=0;t<i.mipmapCount;t++)n[e].mipmaps.push(i.mipmaps[e*i.mipmapCount+t]),n[e].format=i.format,n[e].width=i.width,n[e].height=i.height}a.image=n}else a.image.width=i.width,a.image.height=i.height,a.mipmaps=i.mipmaps;1===i.mipmapCount&&(a.minFilter=Mt),a.format=i.format,a.needsUpdate=!0,e&&e(a)},i,s);return a}}const Oc=new WeakMap;class Pc extends Tc{constructor(t){super(t)}load(t,e,i,s){void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=this,n=Sc.get(`image:${t}`);if(void 0!==n){if(!0===n.complete)r.manager.itemStart(t),setTimeout(function(){e&&e(n),r.manager.itemEnd(t)},0);else{let t=Oc.get(n);void 0===t&&(t=[],Oc.set(n,t)),t.push({onLoad:e,onError:s})}return n}const a=Qi("img");function o(){l(),e&&e(this);const i=Oc.get(this)||[];for(let t=0;t<i.length;t++){const e=i[t];e.onLoad&&e.onLoad(this)}Oc.delete(this),r.manager.itemEnd(t)}function h(e){l(),s&&s(e),Sc.remove(`image:${t}`);const i=Oc.get(this)||[];for(let t=0;t<i.length;t++){const s=i[t];s.onError&&s.onError(e)}Oc.delete(this),r.manager.itemError(t),r.manager.itemEnd(t)}function l(){a.removeEventListener("load",o,!1),a.removeEventListener("error",h,!1)}return a.addEventListener("load",o,!1),a.addEventListener("error",h,!1),"data:"!==t.slice(0,5)&&void 0!==this.crossOrigin&&(a.crossOrigin=this.crossOrigin),Sc.add(`image:${t}`,a),r.manager.itemStart(t),a.src=t,a}}class Rc extends Tc{constructor(t){super(t)}load(t,e,i,s){const r=new hh;r.colorSpace=ei;const n=new Pc(this.manager);n.setCrossOrigin(this.crossOrigin),n.setPath(this.path);let a=0;function o(i){n.load(t[i],function(t){r.images[i]=t,a++,6===a&&(r.needsUpdate=!0,e&&e(r))},void 0,s)}for(let e=0;e<t.length;++e)o(e);return r}}class Nc extends Tc{constructor(t){super(t)}load(t,e,i,s){const r=this,n=new qa,a=new Ic(this.manager);return a.setResponseType("arraybuffer"),a.setRequestHeader(this.requestHeader),a.setPath(this.path),a.setWithCredentials(r.withCredentials),a.load(t,function(t){let i;try{i=r.parse(t)}catch(t){if(void 0===s)return void t(t);s(t)}void 0!==i.image?n.image=i.image:void 0!==i.data&&(n.image.width=i.width,n.image.height=i.height,n.image.data=i.data),n.wrapS=void 0!==i.wrapS?i.wrapS:yt,n.wrapT=void 0!==i.wrapT?i.wrapT:yt,n.magFilter=void 0!==i.magFilter?i.magFilter:Mt,n.minFilter=void 0!==i.minFilter?i.minFilter:Mt,n.anisotropy=void 0!==i.anisotropy?i.anisotropy:1,void 0!==i.colorSpace&&(n.colorSpace=i.colorSpace),void 0!==i.flipY&&(n.flipY=i.flipY),void 0!==i.format&&(n.format=i.format),void 0!==i.type&&(n.type=i.type),void 0!==i.mipmaps&&(n.mipmaps=i.mipmaps,n.minFilter=At),1===i.mipmapCount&&(n.minFilter=Mt),void 0!==i.generateMipmaps&&(n.generateMipmaps=i.generateMipmaps),n.needsUpdate=!0,e&&e(n,i)},i,s),n}}class Vc extends Tc{constructor(t){super(t)}load(t,e,i,s){const r=new Ws,n=new Pc(this.manager);return n.setCrossOrigin(this.crossOrigin),n.setPath(this.path),n.load(t,function(t){r.image=t,r.needsUpdate=!0,void 0!==e&&e(r)},i,s),r}}class Ec extends Sr{constructor(t,e=1){super(),this.isLight=!0,this.type="Light",this.color=new Br(t),this.intensity=e}dispose(){this.dispatchEvent({type:"dispose"})}copy(t,e){return super.copy(t,e),this.color.copy(t.color),this.intensity=t.intensity,this}toJSON(t){const e=super.toJSON(t);return e.object.color=this.color.getHex(),e.object.intensity=this.intensity,e}}class Fc extends Ec{constructor(t,e,i){super(t,i),this.isHemisphereLight=!0,this.type="HemisphereLight",this.position.copy(Sr.DEFAULT_UP),this.updateMatrix(),this.groundColor=new Br(e)}copy(t,e){return super.copy(t,e),this.groundColor.copy(t.groundColor),this}toJSON(t){const e=super.toJSON(t);return e.object.groundColor=this.groundColor.getHex(),e}}const Lc=new Gs,jc=new _s,Dc=new _s;class Wc{constructor(t){this.camera=t,this.intensity=1,this.bias=0,this.biasNode=null,this.normalBias=0,this.radius=1,this.blurSamples=8,this.mapSize=new Ms(512,512),this.mapType=zt,this.map=null,this.mapPass=null,this.matrix=new Gs,this.autoUpdate=!0,this.needsUpdate=!1,this._frustum=new uo,this._frameExtents=new Ms(1,1),this._viewportCount=1,this._viewports=[new Us(0,0,1,1)]}getViewportCount(){return this._viewportCount}getFrustum(){return this._frustum}updateMatrices(t){const e=this.camera,i=this.matrix;jc.setFromMatrixPosition(t.matrixWorld),e.position.copy(jc),Dc.setFromMatrixPosition(t.target.matrixWorld),e.lookAt(Dc),e.updateMatrixWorld(),Lc.multiplyMatrices(e.projectionMatrix,e.matrixWorldInverse),this._frustum.setFromProjectionMatrix(Lc,e.coordinateSystem,e.reversedDepth),e.reversedDepth?i.set(.5,0,0,.5,0,.5,0,.5,0,0,1,0,0,0,0,1):i.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),i.multiply(Lc)}getViewport(t){return this._viewports[t]}getFrameExtents(){return this._frameExtents}dispose(){this.map&&this.map.dispose(),this.mapPass&&this.mapPass.dispose()}copy(t){return this.camera=t.camera.clone(),this.intensity=t.intensity,this.bias=t.bias,this.radius=t.radius,this.autoUpdate=t.autoUpdate,this.needsUpdate=t.needsUpdate,this.normalBias=t.normalBias,this.blurSamples=t.blurSamples,this.mapSize.copy(t.mapSize),this.biasNode=t.biasNode,this}clone(){return(new this.constructor).copy(this)}toJSON(){const t={};return 1!==this.intensity&&(t.intensity=this.intensity),0!==this.bias&&(t.bias=this.bias),0!==this.normalBias&&(t.normalBias=this.normalBias),1!==this.radius&&(t.radius=this.radius),512===this.mapSize.x&&512===this.mapSize.y||(t.mapSize=this.mapSize.toArray()),t.camera=this.camera.toJSON(!1).object,delete t.camera.matrix,t}}const Uc=new _s,Jc=new Ss,qc=new _s;class Xc extends Sr{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new Gs,this.projectionMatrix=new Gs,this.projectionMatrixInverse=new Gs,this.coordinateSystem=Ui,this._reversedDepth=!1}get reversedDepth(){return this._reversedDepth}copy(t,e){return super.copy(t,e),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this.projectionMatrixInverse.copy(t.projectionMatrixInverse),this.coordinateSystem=t.coordinateSystem,this}getWorldDirection(t){return super.getWorldDirection(t).negate()}updateMatrixWorld(t){super.updateMatrixWorld(t),this.matrixWorld.decompose(Uc,Jc,qc),1===qc.x&&1===qc.y&&1===qc.z?this.matrixWorldInverse.copy(this.matrixWorld).invert():this.matrixWorldInverse.compose(Uc,Jc,qc.set(1,1,1)).invert()}updateWorldMatrix(t,e){super.updateWorldMatrix(t,e),this.matrixWorld.decompose(Uc,Jc,qc),1===qc.x&&1===qc.y&&1===qc.z?this.matrixWorldInverse.copy(this.matrixWorld).invert():this.matrixWorldInverse.compose(Uc,Jc,qc.set(1,1,1)).invert()}clone(){return(new this.constructor).copy(this)}}const Yc=new _s,Hc=new Ms,Zc=new Ms;class Gc extends Xc{constructor(t=50,e=1,i=.1,s=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=i,this.far=s,this.focus=10,this.aspect=e,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=null===t.view?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this}setFocalLength(t){const e=.5*this.getFilmHeight()/t;this.fov=2*ms*Math.atan(e),this.updateProjectionMatrix()}getFocalLength(){const t=Math.tan(.5*ps*this.fov);return.5*this.getFilmHeight()/t}getEffectiveFOV(){return 2*ms*Math.atan(Math.tan(.5*ps*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(t,e,i){Yc.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),e.set(Yc.x,Yc.y).multiplyScalar(-t/Yc.z),Yc.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),i.set(Yc.x,Yc.y).multiplyScalar(-t/Yc.z)}getViewSize(t,e){return this.getViewBounds(t,Hc,Zc),e.subVectors(Zc,Hc)}setViewOffset(t,e,i,s,r,n){this.aspect=t/e,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=i,this.view.offsetY=s,this.view.width=r,this.view.height=n,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=this.near;let e=t*Math.tan(.5*ps*this.fov)/this.zoom,i=2*e,s=this.aspect*i,r=-.5*s;const n=this.view;if(null!==this.view&&this.view.enabled){const t=n.fullWidth,a=n.fullHeight;r+=n.offsetX*s/t,e-=n.offsetY*i/a,s*=n.width/t,i*=n.height/a}const a=this.filmOffset;0!==a&&(r+=t*a/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+s,e,e-i,t,this.far,this.coordinateSystem,this.reversedDepth),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.fov=this.fov,e.object.zoom=this.zoom,e.object.near=this.near,e.object.far=this.far,e.object.focus=this.focus,e.object.aspect=this.aspect,null!==this.view&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}}class $c extends Wc{constructor(){super(new Gc(50,1,.5,500)),this.isSpotLightShadow=!0,this.focus=1,this.aspect=1}updateMatrices(t){const e=this.camera,i=2*ms*t.angle*this.focus,s=this.mapSize.width/this.mapSize.height*this.aspect,r=t.distance||e.far;i===e.fov&&s===e.aspect&&r===e.far||(e.fov=i,e.aspect=s,e.far=r,e.updateProjectionMatrix()),super.updateMatrices(t)}copy(t){return super.copy(t),this.focus=t.focus,this}}class Qc extends Ec{constructor(t,e,i=0,s=Math.PI/3,r=0,n=2){super(t,e),this.isSpotLight=!0,this.type="SpotLight",this.position.copy(Sr.DEFAULT_UP),this.updateMatrix(),this.target=new Sr,this.distance=i,this.angle=s,this.penumbra=r,this.decay=n,this.map=null,this.shadow=new $c}get power(){return this.intensity*Math.PI}set power(t){this.intensity=t/Math.PI}dispose(){super.dispose(),this.shadow.dispose()}copy(t,e){return super.copy(t,e),this.distance=t.distance,this.angle=t.angle,this.penumbra=t.penumbra,this.decay=t.decay,this.target=t.target.clone(),this.map=t.map,this.shadow=t.shadow.clone(),this}toJSON(t){const e=super.toJSON(t);return e.object.distance=this.distance,e.object.angle=this.angle,e.object.decay=this.decay,e.object.penumbra=this.penumbra,e.object.target=this.target.uuid,this.map&&this.map.isTexture&&(e.object.map=this.map.toJSON(t).uuid),e.object.shadow=this.shadow.toJSON(),e}}class Kc extends Wc{constructor(){super(new Gc(90,1,.5,500)),this.isPointLightShadow=!0}}class tu extends Ec{constructor(t,e,i=0,s=2){super(t,e),this.isPointLight=!0,this.type="PointLight",this.distance=i,this.decay=s,this.shadow=new Kc}get power(){return 4*this.intensity*Math.PI}set power(t){this.intensity=t/(4*Math.PI)}dispose(){super.dispose(),this.shadow.dispose()}copy(t,e){return super.copy(t,e),this.distance=t.distance,this.decay=t.decay,this.shadow=t.shadow.clone(),this}toJSON(t){const e=super.toJSON(t);return e.object.distance=this.distance,e.object.decay=this.decay,e.object.shadow=this.shadow.toJSON(),e}}class eu extends Xc{constructor(t=-1,e=1,i=1,s=-1,r=.1,n=2e3){super(),this.isOrthographicCamera=!0,this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=t,this.right=e,this.top=i,this.bottom=s,this.near=r,this.far=n,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.left=t.left,this.right=t.right,this.top=t.top,this.bottom=t.bottom,this.near=t.near,this.far=t.far,this.zoom=t.zoom,this.view=null===t.view?null:Object.assign({},t.view),this}setViewOffset(t,e,i,s,r,n){null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=i,this.view.offsetY=s,this.view.width=r,this.view.height=n,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=(this.right-this.left)/(2*this.zoom),e=(this.top-this.bottom)/(2*this.zoom),i=(this.right+this.left)/2,s=(this.top+this.bottom)/2;let r=i-t,n=i+t,a=s+e,o=s-e;if(null!==this.view&&this.view.enabled){const t=(this.right-this.left)/this.view.fullWidth/this.zoom,e=(this.top-this.bottom)/this.view.fullHeight/this.zoom;r+=t*this.view.offsetX,n=r+t*this.view.width,a-=e*this.view.offsetY,o=a-e*this.view.height}this.projectionMatrix.makeOrthographic(r,n,a,o,this.near,this.far,this.coordinateSystem,this.reversedDepth),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.zoom=this.zoom,e.object.left=this.left,e.object.right=this.right,e.object.top=this.top,e.object.bottom=this.bottom,e.object.near=this.near,e.object.far=this.far,null!==this.view&&(e.object.view=Object.assign({},this.view)),e}}class iu extends Wc{constructor(){super(new eu(-5,5,5,-5,.5,500)),this.isDirectionalLightShadow=!0}}class su extends Ec{constructor(t,e){super(t,e),this.isDirectionalLight=!0,this.type="DirectionalLight",this.position.copy(Sr.DEFAULT_UP),this.updateMatrix(),this.target=new Sr,this.shadow=new iu}dispose(){super.dispose(),this.shadow.dispose()}copy(t){return super.copy(t),this.target=t.target.clone(),this.shadow=t.shadow.clone(),this}toJSON(t){const e=super.toJSON(t);return e.object.shadow=this.shadow.toJSON(),e.object.target=this.target.uuid,e}}class ru extends Ec{constructor(t,e){super(t,e),this.isAmbientLight=!0,this.type="AmbientLight"}}class nu extends Ec{constructor(t,e,i=10,s=10){super(t,e),this.isRectAreaLight=!0,this.type="RectAreaLight",this.width=i,this.height=s}get power(){return this.intensity*this.width*this.height*Math.PI}set power(t){this.intensity=t/(this.width*this.height*Math.PI)}copy(t){return super.copy(t),this.width=t.width,this.height=t.height,this}toJSON(t){const e=super.toJSON(t);return e.object.width=this.width,e.object.height=this.height,e}}class au{constructor(){this.isSphericalHarmonics3=!0,this.coefficients=[];for(let t=0;t<9;t++)this.coefficients.push(new _s)}set(t){for(let e=0;e<9;e++)this.coefficients[e].copy(t[e]);return this}zero(){for(let t=0;t<9;t++)this.coefficients[t].set(0,0,0);return this}getAt(t,e){const i=t.x,s=t.y,r=t.z,n=this.coefficients;return e.copy(n[0]).multiplyScalar(.282095),e.addScaledVector(n[1],.488603*s),e.addScaledVector(n[2],.488603*r),e.addScaledVector(n[3],.488603*i),e.addScaledVector(n[4],i*s*1.092548),e.addScaledVector(n[5],s*r*1.092548),e.addScaledVector(n[6],.315392*(3*r*r-1)),e.addScaledVector(n[7],i*r*1.092548),e.addScaledVector(n[8],.546274*(i*i-s*s)),e}getIrradianceAt(t,e){const i=t.x,s=t.y,r=t.z,n=this.coefficients;return e.copy(n[0]).multiplyScalar(.886227),e.addScaledVector(n[1],1.023328*s),e.addScaledVector(n[2],1.023328*r),e.addScaledVector(n[3],1.023328*i),e.addScaledVector(n[4],.858086*i*s),e.addScaledVector(n[5],.858086*s*r),e.addScaledVector(n[6],.743125*r*r-.247708),e.addScaledVector(n[7],.858086*i*r),e.addScaledVector(n[8],.429043*(i*i-s*s)),e}add(t){for(let e=0;e<9;e++)this.coefficients[e].add(t.coefficients[e]);return this}addScaledSH(t,e){for(let i=0;i<9;i++)this.coefficients[i].addScaledVector(t.coefficients[i],e);return this}scale(t){for(let e=0;e<9;e++)this.coefficients[e].multiplyScalar(t);return this}lerp(t,e){for(let i=0;i<9;i++)this.coefficients[i].lerp(t.coefficients[i],e);return this}equals(t){for(let e=0;e<9;e++)if(!this.coefficients[e].equals(t.coefficients[e]))return!1;return!0}copy(t){return this.set(t.coefficients)}clone(){return(new this.constructor).copy(this)}fromArray(t,e=0){const i=this.coefficients;for(let s=0;s<9;s++)i[s].fromArray(t,e+3*s);return this}toArray(t=[],e=0){const i=this.coefficients;for(let s=0;s<9;s++)i[s].toArray(t,e+3*s);return t}static getBasisAt(t,e){const i=t.x,s=t.y,r=t.z;e[0]=.282095,e[1]=.488603*s,e[2]=.488603*r,e[3]=.488603*i,e[4]=1.092548*i*s,e[5]=1.092548*s*r,e[6]=.315392*(3*r*r-1),e[7]=1.092548*i*r,e[8]=.546274*(i*i-s*s)}}class ou extends Ec{constructor(t=new au,e=1){super(void 0,e),this.isLightProbe=!0,this.sh=t}copy(t){return super.copy(t),this.sh.copy(t.sh),this}toJSON(t){const e=super.toJSON(t);return e.object.sh=this.sh.toArray(),e}}class hu extends Tc{constructor(t){super(t),this.textures={}}load(t,e,i,s){const r=this,n=new Ic(r.manager);n.setPath(r.path),n.setRequestHeader(r.requestHeader),n.setWithCredentials(r.withCredentials),n.load(t,function(i){try{e(r.parse(JSON.parse(i)))}catch(e){s?s(e):os(e),r.manager.itemError(t)}},i,s)}parse(t){const e=this.textures;function i(t){return void 0===e[t]&&as("MaterialLoader: Undefined texture",t),e[t]}const s=this.createMaterialFromType(t.type);if(void 0!==t.uuid&&(s.uuid=t.uuid),void 0!==t.name&&(s.name=t.name),void 0!==t.color&&void 0!==s.color&&s.color.setHex(t.color),void 0!==t.roughness&&(s.roughness=t.roughness),void 0!==t.metalness&&(s.metalness=t.metalness),void 0!==t.sheen&&(s.sheen=t.sheen),void 0!==t.sheenColor&&(s.sheenColor=(new Br).setHex(t.sheenColor)),void 0!==t.sheenRoughness&&(s.sheenRoughness=t.sheenRoughness),void 0!==t.emissive&&void 0!==s.emissive&&s.emissive.setHex(t.emissive),void 0!==t.specular&&void 0!==s.specular&&s.specular.setHex(t.specular),void 0!==t.specularIntensity&&(s.specularIntensity=t.specularIntensity),void 0!==t.specularColor&&void 0!==s.specularColor&&s.specularColor.setHex(t.specularColor),void 0!==t.shininess&&(s.shininess=t.shininess),void 0!==t.clearcoat&&(s.clearcoat=t.clearcoat),void 0!==t.clearcoatRoughness&&(s.clearcoatRoughness=t.clearcoatRoughness),void 0!==t.dispersion&&(s.dispersion=t.dispersion),void 0!==t.iridescence&&(s.iridescence=t.iridescence),void 0!==t.iridescenceIOR&&(s.iridescenceIOR=t.iridescenceIOR),void 0!==t.iridescenceThicknessRange&&(s.iridescenceThicknessRange=t.iridescenceThicknessRange),void 0!==t.transmission&&(s.transmission=t.transmission),void 0!==t.thickness&&(s.thickness=t.thickness),void 0!==t.attenuationDistance&&(s.attenuationDistance=t.attenuationDistance),void 0!==t.attenuationColor&&void 0!==s.attenuationColor&&s.attenuationColor.setHex(t.attenuationColor),void 0!==t.anisotropy&&(s.anisotropy=t.anisotropy),void 0!==t.anisotropyRotation&&(s.anisotropyRotation=t.anisotropyRotation),void 0!==t.fog&&(s.fog=t.fog),void 0!==t.flatShading&&(s.flatShading=t.flatShading),void 0!==t.blending&&(s.blending=t.blending),void 0!==t.combine&&(s.combine=t.combine),void 0!==t.side&&(s.side=t.side),void 0!==t.shadowSide&&(s.shadowSide=t.shadowSide),void 0!==t.opacity&&(s.opacity=t.opacity),void 0!==t.transparent&&(s.transparent=t.transparent),void 0!==t.alphaTest&&(s.alphaTest=t.alphaTest),void 0!==t.alphaHash&&(s.alphaHash=t.alphaHash),void 0!==t.depthFunc&&(s.depthFunc=t.depthFunc),void 0!==t.depthTest&&(s.depthTest=t.depthTest),void 0!==t.depthWrite&&(s.depthWrite=t.depthWrite),void 0!==t.colorWrite&&(s.colorWrite=t.colorWrite),void 0!==t.blendSrc&&(s.blendSrc=t.blendSrc),void 0!==t.blendDst&&(s.blendDst=t.blendDst),void 0!==t.blendEquation&&(s.blendEquation=t.blendEquation),void 0!==t.blendSrcAlpha&&(s.blendSrcAlpha=t.blendSrcAlpha),void 0!==t.blendDstAlpha&&(s.blendDstAlpha=t.blendDstAlpha),void 0!==t.blendEquationAlpha&&(s.blendEquationAlpha=t.blendEquationAlpha),void 0!==t.blendColor&&void 0!==s.blendColor&&s.blendColor.setHex(t.blendColor),void 0!==t.blendAlpha&&(s.blendAlpha=t.blendAlpha),void 0!==t.stencilWriteMask&&(s.stencilWriteMask=t.stencilWriteMask),void 0!==t.stencilFunc&&(s.stencilFunc=t.stencilFunc),void 0!==t.stencilRef&&(s.stencilRef=t.stencilRef),void 0!==t.stencilFuncMask&&(s.stencilFuncMask=t.stencilFuncMask),void 0!==t.stencilFail&&(s.stencilFail=t.stencilFail),void 0!==t.stencilZFail&&(s.stencilZFail=t.stencilZFail),void 0!==t.stencilZPass&&(s.stencilZPass=t.stencilZPass),void 0!==t.stencilWrite&&(s.stencilWrite=t.stencilWrite),void 0!==t.wireframe&&(s.wireframe=t.wireframe),void 0!==t.wireframeLinewidth&&(s.wireframeLinewidth=t.wireframeLinewidth),void 0!==t.wireframeLinecap&&(s.wireframeLinecap=t.wireframeLinecap),void 0!==t.wireframeLinejoin&&(s.wireframeLinejoin=t.wireframeLinejoin),void 0!==t.rotation&&(s.rotation=t.rotation),void 0!==t.linewidth&&(s.linewidth=t.linewidth),void 0!==t.dashSize&&(s.dashSize=t.dashSize),void 0!==t.gapSize&&(s.gapSize=t.gapSize),void 0!==t.scale&&(s.scale=t.scale),void 0!==t.polygonOffset&&(s.polygonOffset=t.polygonOffset),void 0!==t.polygonOffsetFactor&&(s.polygonOffsetFactor=t.polygonOffsetFactor),void 0!==t.polygonOffsetUnits&&(s.polygonOffsetUnits=t.polygonOffsetUnits),void 0!==t.dithering&&(s.dithering=t.dithering),void 0!==t.alphaToCoverage&&(s.alphaToCoverage=t.alphaToCoverage),void 0!==t.premultipliedAlpha&&(s.premultipliedAlpha=t.premultipliedAlpha),void 0!==t.forceSinglePass&&(s.forceSinglePass=t.forceSinglePass),void 0!==t.allowOverride&&(s.allowOverride=t.allowOverride),void 0!==t.visible&&(s.visible=t.visible),void 0!==t.toneMapped&&(s.toneMapped=t.toneMapped),void 0!==t.userData&&(s.userData=t.userData),void 0!==t.vertexColors&&("number"==typeof t.vertexColors?s.vertexColors=t.vertexColors>0:s.vertexColors=t.vertexColors),void 0!==t.uniforms)for(const e in t.uniforms){const r=t.uniforms[e];switch(s.uniforms[e]={},r.type){case"t":s.uniforms[e].value=i(r.value);break;case"c":s.uniforms[e].value=(new Br).setHex(r.value);break;case"v2":s.uniforms[e].value=(new Ms).fromArray(r.value);break;case"v3":s.uniforms[e].value=(new _s).fromArray(r.value);break;case"v4":s.uniforms[e].value=(new Us).fromArray(r.value);break;case"m3":s.uniforms[e].value=(new zs).fromArray(r.value);break;case"m4":s.uniforms[e].value=(new Gs).fromArray(r.value);break;default:s.uniforms[e].value=r.value}}if(void 0!==t.defines&&(s.defines=t.defines),void 0!==t.vertexShader&&(s.vertexShader=t.vertexShader),void 0!==t.fragmentShader&&(s.fragmentShader=t.fragmentShader),void 0!==t.glslVersion&&(s.glslVersion=t.glslVersion),void 0!==t.extensions)for(const e in t.extensions)s.extensions[e]=t.extensions[e];if(void 0!==t.lights&&(s.lights=t.lights),void 0!==t.clipping&&(s.clipping=t.clipping),void 0!==t.size&&(s.size=t.size),void 0!==t.sizeAttenuation&&(s.sizeAttenuation=t.sizeAttenuation),void 0!==t.map&&(s.map=i(t.map)),void 0!==t.matcap&&(s.matcap=i(t.matcap)),void 0!==t.alphaMap&&(s.alphaMap=i(t.alphaMap)),void 0!==t.bumpMap&&(s.bumpMap=i(t.bumpMap)),void 0!==t.bumpScale&&(s.bumpScale=t.bumpScale),void 0!==t.normalMap&&(s.normalMap=i(t.normalMap)),void 0!==t.normalMapType&&(s.normalMapType=t.normalMapType),void 0!==t.normalScale){let e=t.normalScale;!1===Array.isArray(e)&&(e=[e,e]),s.normalScale=(new Ms).fromArray(e)}return void 0!==t.displacementMap&&(s.displacementMap=i(t.displacementMap)),void 0!==t.displacementScale&&(s.displacementScale=t.displacementScale),void 0!==t.displacementBias&&(s.displacementBias=t.displacementBias),void 0!==t.roughnessMap&&(s.roughnessMap=i(t.roughnessMap)),void 0!==t.metalnessMap&&(s.metalnessMap=i(t.metalnessMap)),void 0!==t.emissiveMap&&(s.emissiveMap=i(t.emissiveMap)),void 0!==t.emissiveIntensity&&(s.emissiveIntensity=t.emissiveIntensity),void 0!==t.specularMap&&(s.specularMap=i(t.specularMap)),void 0!==t.specularIntensityMap&&(s.specularIntensityMap=i(t.specularIntensityMap)),void 0!==t.specularColorMap&&(s.specularColorMap=i(t.specularColorMap)),void 0!==t.envMap&&(s.envMap=i(t.envMap)),void 0!==t.envMapRotation&&s.envMapRotation.fromArray(t.envMapRotation),void 0!==t.envMapIntensity&&(s.envMapIntensity=t.envMapIntensity),void 0!==t.reflectivity&&(s.reflectivity=t.reflectivity),void 0!==t.refractionRatio&&(s.refractionRatio=t.refractionRatio),void 0!==t.lightMap&&(s.lightMap=i(t.lightMap)),void 0!==t.lightMapIntensity&&(s.lightMapIntensity=t.lightMapIntensity),void 0!==t.aoMap&&(s.aoMap=i(t.aoMap)),void 0!==t.aoMapIntensity&&(s.aoMapIntensity=t.aoMapIntensity),void 0!==t.gradientMap&&(s.gradientMap=i(t.gradientMap)),void 0!==t.clearcoatMap&&(s.clearcoatMap=i(t.clearcoatMap)),void 0!==t.clearcoatRoughnessMap&&(s.clearcoatRoughnessMap=i(t.clearcoatRoughnessMap)),void 0!==t.clearcoatNormalMap&&(s.clearcoatNormalMap=i(t.clearcoatNormalMap)),void 0!==t.clearcoatNormalScale&&(s.clearcoatNormalScale=(new Ms).fromArray(t.clearcoatNormalScale)),void 0!==t.iridescenceMap&&(s.iridescenceMap=i(t.iridescenceMap)),void 0!==t.iridescenceThicknessMap&&(s.iridescenceThicknessMap=i(t.iridescenceThicknessMap)),void 0!==t.transmissionMap&&(s.transmissionMap=i(t.transmissionMap)),void 0!==t.thicknessMap&&(s.thicknessMap=i(t.thicknessMap)),void 0!==t.anisotropyMap&&(s.anisotropyMap=i(t.anisotropyMap)),void 0!==t.sheenColorMap&&(s.sheenColorMap=i(t.sheenColorMap)),void 0!==t.sheenRoughnessMap&&(s.sheenRoughnessMap=i(t.sheenRoughnessMap)),s}setTextures(t){return this.textures=t,this}createMaterialFromType(t){return hu.createMaterialFromType(t)}static createMaterialFromType(t){return new{ShadowMaterial:jl,SpriteMaterial:Hn,RawShaderMaterial:Xl,ShaderMaterial:ql,PointsMaterial:Zo,MeshPhysicalMaterial:Hl,MeshStandardMaterial:Yl,MeshPhongMaterial:Zl,MeshToonMaterial:Gl,MeshNormalMaterial:$l,MeshLambertMaterial:Ql,MeshDepthMaterial:Kl,MeshDistanceMaterial:tc,MeshBasicMaterial:va,MeshMatcapMaterial:ec,LineDashedMaterial:ic,LineBasicMaterial:No,Material:Yn}[t]}}class lu{static extractUrlBase(t){const e=t.lastIndexOf("/");return-1===e?"./":t.slice(0,e+1)}static resolveURL(t,e){return"string"!=typeof t||""===t?"":(/^https?:\/\//i.test(e)&&/^\//.test(t)&&(e=e.replace(/(^https?:\/\/[^\/]+).*/i,"$1")),/^(https?:)?\/\//i.test(t)||/^data:.*,.*$/i.test(t)||/^blob:.*$/i.test(t)?t:e+t)}}class cu extends Dn{constructor(){super(),this.isInstancedBufferGeometry=!0,this.type="InstancedBufferGeometry",this.instanceCount=1/0}copy(t){return super.copy(t),this.instanceCount=t.instanceCount,this}toJSON(){const t=super.toJSON();return t.instanceCount=this.instanceCount,t.isInstancedBufferGeometry=!0,t}}class uu extends Tc{constructor(t){super(t)}load(t,e,i,s){const r=this,n=new Ic(r.manager);n.setPath(r.path),n.setRequestHeader(r.requestHeader),n.setWithCredentials(r.withCredentials),n.load(t,function(i){try{e(r.parse(JSON.parse(i)))}catch(e){s?s(e):os(e),r.manager.itemError(t)}},i,s)}parse(t){const e={},i={};function s(t,s){if(void 0!==e[s])return e[s];const r=t.interleavedBuffers[s],n=function(t,e){if(void 0!==i[e])return i[e];const s=t.arrayBuffers,r=s[e],n=new Uint32Array(r).buffer;return i[e]=n,n}(t,r.buffer),a=Gi(r.type,n),o=new Wn(a,r.stride);return o.uuid=r.uuid,e[s]=o,o}const r=t.isInstancedBufferGeometry?new cu:new Dn,n=t.data.index;if(void 0!==n){const t=Gi(n.type,n.array);r.setIndex(new vn(t,1))}const a=t.data.attributes;for(const e in a){const i=a[e];let n;if(i.isInterleavedBufferAttribute){const e=s(t.data,i.data);n=new Jn(e,i.itemSize,i.offset,i.normalized)}else{const t=Gi(i.type,i.array);n=new(i.isInstancedBufferAttribute?Za:vn)(t,i.itemSize,i.normalized)}void 0!==i.name&&(n.name=i.name),void 0!==i.usage&&n.setUsage(i.usage),r.setAttribute(e,n)}const o=t.data.morphAttributes;if(o)for(const e in o){const i=o[e],n=[];for(let e=0,r=i.length;e<r;e++){const r=i[e];let a;if(r.isInterleavedBufferAttribute){const e=s(t.data,r.data);a=new Jn(e,r.itemSize,r.offset,r.normalized)}else{const t=Gi(r.type,r.array);a=new vn(t,r.itemSize,r.normalized)}void 0!==r.name&&(a.name=r.name),n.push(a)}r.morphAttributes[e]=n}t.data.morphTargetsRelative&&(r.morphTargetsRelative=!0);const h=t.data.groups||t.data.drawcalls||t.data.offsets;if(void 0!==h)for(let t=0,e=h.length;t!==e;++t){const e=h[t];r.addGroup(e.start,e.count,e.materialIndex)}const l=t.data.boundingSphere;return void 0!==l&&(r.boundingSphere=(new Pn).fromJSON(l)),t.name&&(r.name=t.name),t.userData&&(r.userData=t.userData),r}}class du extends Tc{constructor(t){super(t)}load(t,e,i,s){const r=this,n=""===this.path?lu.extractUrlBase(t):this.path;this.resourcePath=this.resourcePath||n;const a=new Ic(this.manager);a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(this.withCredentials),a.load(t,function(i){let n=null;try{n=JSON.parse(i)}catch(e){return void 0!==s&&s(e),void e("ObjectLoader: Can't parse "+t+".",e.message)}const a=n.metadata;if(void 0===a||void 0===a.type||"geometry"===a.type.toLowerCase())return void 0!==s&&s(new Error("THREE.ObjectLoader: Can't load "+t)),void os("ObjectLoader: Can't load "+t);r.parse(n,e)},i,s)}async loadAsync(t,e){const i=""===this.path?lu.extractUrlBase(t):this.path;this.resourcePath=this.resourcePath||i;const s=new Ic(this.manager);s.setPath(this.path),s.setRequestHeader(this.requestHeader),s.setWithCredentials(this.withCredentials);const r=await s.loadAsync(t,e);let n;try{n=JSON.parse(r)}catch(e){throw new Error("ObjectLoader: Can't parse "+t+". "+e.message)}const a=n.metadata;if(void 0===a||void 0===a.type||"geometry"===a.type.toLowerCase())throw new Error("THREE.ObjectLoader: Can't load "+t);return await this.parseAsync(n)}parse(t,e){const i=this.parseAnimations(t.animations),s=this.parseShapes(t.shapes),r=this.parseGeometries(t.geometries,s),n=this.parseImages(t.images,function(){void 0!==e&&e(h)}),a=this.parseTextures(t.textures,n),o=this.parseMaterials(t.materials,a),h=this.parseObject(t.object,r,o,a,i),l=this.parseSkeletons(t.skeletons,h);if(this.bindSkeletons(h,l),this.bindLightTargets(h),void 0!==e){let t=!1;for(const e in n)if(n[e].data instanceof HTMLImageElement){t=!0;break}!1===t&&e(h)}return h}async parseAsync(t){const e=this.parseAnimations(t.animations),i=this.parseShapes(t.shapes),s=this.parseGeometries(t.geometries,i),r=await this.parseImagesAsync(t.images),n=this.parseTextures(t.textures,r),a=this.parseMaterials(t.materials,n),o=this.parseObject(t.object,s,a,n,e),h=this.parseSkeletons(t.skeletons,o);return this.bindSkeletons(o,h),this.bindLightTargets(o),o}parseShapes(t){const e={};if(void 0!==t)for(let i=0,s=t.length;i<s;i++){const s=(new Yh).fromJSON(t[i]);e[s.uuid]=s}return e}parseSkeletons(t,e){const i={},s={};if(e.traverse(function(t){t.isBone&&(s[t.uuid]=t)}),void 0!==t)for(let e=0,r=t.length;e<r;e++){const r=(new Ha).fromJSON(t[e],s);i[r.uuid]=r}return i}parseGeometries(t,e){const i={};if(void 0!==t){const s=new uu;for(let r=0,n=t.length;r<n;r++){let n;const a=t[r];switch(a.type){case"BufferGeometry":case"InstancedBufferGeometry":n=s.parse(a);break;default:a.type in Ll?n=Ll[a.type].fromJSON(a,e):as(`ObjectLoader: Unsupported geometry type "${a.type}"`)}n.uuid=a.uuid,void 0!==a.name&&(n.name=a.name),void 0!==a.userData&&(n.userData=a.userData),i[a.uuid]=n}}return i}parseMaterials(t,e){const i={},s={};if(void 0!==t){const r=new hu;r.setTextures(e);for(let e=0,n=t.length;e<n;e++){const n=t[e];void 0===i[n.uuid]&&(i[n.uuid]=r.parse(n)),s[n.uuid]=i[n.uuid]}}return s}parseAnimations(t){const e={};if(void 0!==t)for(let i=0;i<t.length;i++){const s=t[i],r=wc.parse(s);e[r.uuid]=r}return e}parseImages(t,e){const i=this,s={};let r;function n(t){if("string"==typeof t){const e=t;return function(t){return i.manager.itemStart(t),r.load(t,function(){i.manager.itemEnd(t)},void 0,function(){i.manager.itemError(t),i.manager.itemEnd(t)})}(/^(\/\/)|([a-z]+:(\/\/)?)/i.test(e)?e:i.resourcePath+e)}return t.data?{data:Gi(t.type,t.data),width:t.width,height:t.height}:null}if(void 0!==t&&t.length>0){const i=new _c(e);r=new Pc(i),r.setCrossOrigin(this.crossOrigin);for(let e=0,i=t.length;e<i;e++){const i=t[e],r=i.url;if(Array.isArray(r)){const t=[];for(let e=0,i=r.length;e<i;e++){const i=n(r[e]);null!==i&&(i instanceof HTMLImageElement?t.push(i):t.push(new qa(i.data,i.width,i.height)))}s[i.uuid]=new Fs(t)}else{const t=n(i.url);s[i.uuid]=new Fs(t)}}}return s}async parseImagesAsync(t){const e=this,i={};let s;async function r(t){if("string"==typeof t){const i=t,r=/^(\/\/)|([a-z]+:(\/\/)?)/i.test(i)?i:e.resourcePath+i;return await s.loadAsync(r)}return t.data?{data:Gi(t.type,t.data),width:t.width,height:t.height}:null}if(void 0!==t&&t.length>0){s=new Pc(this.manager),s.setCrossOrigin(this.crossOrigin);for(let e=0,s=t.length;e<s;e++){const s=t[e],n=s.url;if(Array.isArray(n)){const t=[];for(let e=0,i=n.length;e<i;e++){const i=n[e],s=await r(i);null!==s&&(s instanceof HTMLImageElement?t.push(s):t.push(new qa(s.data,s.width,s.height)))}i[s.uuid]=new Fs(t)}else{const t=await r(s.url);i[s.uuid]=new Fs(t)}}}return i}parseTextures(t,e){function i(t,e){return"number"==typeof t?t:(as("ObjectLoader.parseTexture: Constant should be in numeric form.",t),e[t])}const s={};if(void 0!==t)for(let r=0,n=t.length;r<n;r++){const n=t[r];void 0===n.image&&as('ObjectLoader: No "image" specified for',n.uuid),void 0===e[n.image]&&as("ObjectLoader: Undefined image",n.image);const a=e[n.image],o=a.data;let h;Array.isArray(o)?(h=new hh,6===o.length&&(h.needsUpdate=!0)):(h=o&&o.data?new qa:new Ws,o&&(h.needsUpdate=!0)),h.source=a,h.uuid=n.uuid,void 0!==n.name&&(h.name=n.name),void 0!==n.mapping&&(h.mapping=i(n.mapping,pu)),void 0!==n.channel&&(h.channel=n.channel),void 0!==n.offset&&h.offset.fromArray(n.offset),void 0!==n.repeat&&h.repeat.fromArray(n.repeat),void 0!==n.center&&h.center.fromArray(n.center),void 0!==n.rotation&&(h.rotation=n.rotation),void 0!==n.wrap&&(h.wrapS=i(n.wrap[0],mu),h.wrapT=i(n.wrap[1],mu)),void 0!==n.format&&(h.format=n.format),void 0!==n.internalFormat&&(h.internalFormat=n.internalFormat),void 0!==n.type&&(h.type=n.type),void 0!==n.colorSpace&&(h.colorSpace=n.colorSpace),void 0!==n.minFilter&&(h.minFilter=i(n.minFilter,yu)),void 0!==n.magFilter&&(h.magFilter=i(n.magFilter,yu)),void 0!==n.anisotropy&&(h.anisotropy=n.anisotropy),void 0!==n.flipY&&(h.flipY=n.flipY),void 0!==n.generateMipmaps&&(h.generateMipmaps=n.generateMipmaps),void 0!==n.premultiplyAlpha&&(h.premultiplyAlpha=n.premultiplyAlpha),void 0!==n.unpackAlignment&&(h.unpackAlignment=n.unpackAlignment),void 0!==n.compareFunction&&(h.compareFunction=n.compareFunction),void 0!==n.userData&&(h.userData=n.userData),s[n.uuid]=h}return s}parseObject(t,e,i,s,r){let n,a,o;function h(t){return void 0===e[t]&&as("ObjectLoader: Undefined geometry",t),e[t]}function l(t){if(void 0!==t){if(Array.isArray(t)){const e=[];for(let s=0,r=t.length;s<r;s++){const r=t[s];void 0===i[r]&&as("ObjectLoader: Undefined material",r),e.push(i[r])}return e}return void 0===i[t]&&as("ObjectLoader: Undefined material",t),i[t]}}function c(t){return void 0===s[t]&&as("ObjectLoader: Undefined texture",t),s[t]}switch(t.type){case"Scene":n=new Nr,void 0!==t.background&&(Number.isInteger(t.background)?n.background=new Br(t.background):n.background=c(t.background)),void 0!==t.environment&&(n.environment=c(t.environment)),void 0!==t.fog&&("Fog"===t.fog.type?n.fog=new Rr(t.fog.color,t.fog.near,t.fog.far):"FogExp2"===t.fog.type&&(n.fog=new Pr(t.fog.color,t.fog.density)),""!==t.fog.name&&(n.fog.name=t.fog.name)),void 0!==t.backgroundBlurriness&&(n.backgroundBlurriness=t.backgroundBlurriness),void 0!==t.backgroundIntensity&&(n.backgroundIntensity=t.backgroundIntensity),void 0!==t.backgroundRotation&&n.backgroundRotation.fromArray(t.backgroundRotation),void 0!==t.environmentIntensity&&(n.environmentIntensity=t.environmentIntensity),void 0!==t.environmentRotation&&n.environmentRotation.fromArray(t.environmentRotation);break;case"PerspectiveCamera":n=new Gc(t.fov,t.aspect,t.near,t.far),void 0!==t.focus&&(n.focus=t.focus),void 0!==t.zoom&&(n.zoom=t.zoom),void 0!==t.filmGauge&&(n.filmGauge=t.filmGauge),void 0!==t.filmOffset&&(n.filmOffset=t.filmOffset),void 0!==t.view&&(n.view=Object.assign({},t.view));break;case"OrthographicCamera":n=new eu(t.left,t.right,t.top,t.bottom,t.near,t.far),void 0!==t.zoom&&(n.zoom=t.zoom),void 0!==t.view&&(n.view=Object.assign({},t.view));break;case"AmbientLight":n=new ru(t.color,t.intensity);break;case"DirectionalLight":n=new su(t.color,t.intensity),n.target=t.target||"";break;case"PointLight":n=new tu(t.color,t.intensity,t.distance,t.decay);break;case"RectAreaLight":n=new nu(t.color,t.intensity,t.width,t.height);break;case"SpotLight":n=new Qc(t.color,t.intensity,t.distance,t.angle,t.penumbra,t.decay),n.target=t.target||"";break;case"HemisphereLight":n=new Fc(t.color,t.groundColor,t.intensity);break;case"LightProbe":const e=(new au).fromArray(t.sh);n=new ou(e,t.intensity);break;case"SkinnedMesh":a=h(t.geometry),o=l(t.material),n=new Ua(a,o),void 0!==t.bindMode&&(n.bindMode=t.bindMode),void 0!==t.bindMatrix&&n.bindMatrix.fromArray(t.bindMatrix),void 0!==t.skeleton&&(n.skeleton=t.skeleton);break;case"Mesh":a=h(t.geometry),o=l(t.material),n=new Oa(a,o);break;case"InstancedMesh":a=h(t.geometry),o=l(t.material);const i=t.count,s=t.instanceMatrix,r=t.instanceColor;n=new so(a,o,i),n.instanceMatrix=new Za(new Float32Array(s.array),16),void 0!==r&&(n.instanceColor=new Za(new Float32Array(r.array),r.itemSize));break;case"BatchedMesh":a=h(t.geometry),o=l(t.material),n=new Ro(t.maxInstanceCount,t.maxVertexCount,t.maxIndexCount,o),n.geometry=a,n.perObjectFrustumCulled=t.perObjectFrustumCulled,n.sortObjects=t.sortObjects,n._drawRanges=t.drawRanges,n._reservedRanges=t.reservedRanges,n._geometryInfo=t.geometryInfo.map(t=>{let e=null,i=null;return void 0!==t.boundingBox&&(e=(new Gr).fromJSON(t.boundingBox)),void 0!==t.boundingSphere&&(i=(new Pn).fromJSON(t.boundingSphere)),{...t,boundingBox:e,boundingSphere:i}}),n._instanceInfo=t.instanceInfo,n._availableInstanceIds=t._availableInstanceIds,n._availableGeometryIds=t._availableGeometryIds,n._nextIndexStart=t.nextIndexStart,n._nextVertexStart=t.nextVertexStart,n._geometryCount=t.geometryCount,n._maxInstanceCount=t.maxInstanceCount,n._maxVertexCount=t.maxVertexCount,n._maxIndexCount=t.maxIndexCount,n._geometryInitialized=t.geometryInitialized,n._matricesTexture=c(t.matricesTexture.uuid),n._indirectTexture=c(t.indirectTexture.uuid),void 0!==t.colorsTexture&&(n._colorsTexture=c(t.colorsTexture.uuid)),void 0!==t.boundingSphere&&(n.boundingSphere=(new Pn).fromJSON(t.boundingSphere)),void 0!==t.boundingBox&&(n.boundingBox=(new Gr).fromJSON(t.boundingBox));break;case"LOD":n=new ua;break;case"Line":n=new Uo(h(t.geometry),l(t.material));break;case"LineLoop":n=new Ho(h(t.geometry),l(t.material));break;case"LineSegments":n=new Yo(h(t.geometry),l(t.material));break;case"PointCloud":case"Points":n=new th(h(t.geometry),l(t.material));break;case"Sprite":n=new oa(l(t.material));break;case"Group":n=new _r;break;case"Bone":n=new Ja;break;default:n=new Sr}if(n.uuid=t.uuid,void 0!==t.name&&(n.name=t.name),void 0!==t.matrix?(n.matrix.fromArray(t.matrix),void 0!==t.matrixAutoUpdate&&(n.matrixAutoUpdate=t.matrixAutoUpdate),n.matrixAutoUpdate&&n.matrix.decompose(n.position,n.quaternion,n.scale)):(void 0!==t.position&&n.position.fromArray(t.position),void 0!==t.rotation&&n.rotation.fromArray(t.rotation),void 0!==t.quaternion&&n.quaternion.fromArray(t.quaternion),void 0!==t.scale&&n.scale.fromArray(t.scale)),void 0!==t.up&&n.up.fromArray(t.up),void 0!==t.pivot&&(n.pivot=(new _s).fromArray(t.pivot)),void 0!==t.morphTargetDictionary&&(n.morphTargetDictionary=Object.assign({},t.morphTargetDictionary)),void 0!==t.morphTargetInfluences&&(n.morphTargetInfluences=t.morphTargetInfluences.slice()),void 0!==t.castShadow&&(n.castShadow=t.castShadow),void 0!==t.receiveShadow&&(n.receiveShadow=t.receiveShadow),t.shadow&&(void 0!==t.shadow.intensity&&(n.shadow.intensity=t.shadow.intensity),void 0!==t.shadow.bias&&(n.shadow.bias=t.shadow.bias),void 0!==t.shadow.normalBias&&(n.shadow.normalBias=t.shadow.normalBias),void 0!==t.shadow.radius&&(n.shadow.radius=t.shadow.radius),void 0!==t.shadow.mapSize&&n.shadow.mapSize.fromArray(t.shadow.mapSize),void 0!==t.shadow.camera&&(n.shadow.camera=this.parseObject(t.shadow.camera))),void 0!==t.visible&&(n.visible=t.visible),void 0!==t.frustumCulled&&(n.frustumCulled=t.frustumCulled),void 0!==t.renderOrder&&(n.renderOrder=t.renderOrder),void 0!==t.static&&(n.static=t.static),void 0!==t.userData&&(n.userData=t.userData),void 0!==t.layers&&(n.layers.mask=t.layers),void 0!==t.children){const a=t.children;for(let t=0;t<a.length;t++)n.add(this.parseObject(a[t],e,i,s,r))}if(void 0!==t.animations){const e=t.animations;for(let t=0;t<e.length;t++){const i=e[t];n.animations.push(r[i])}}if("LOD"===t.type){void 0!==t.autoUpdate&&(n.autoUpdate=t.autoUpdate);const e=t.levels;for(let t=0;t<e.length;t++){const i=e[t],s=n.getObjectByProperty("uuid",i.object);void 0!==s&&n.addLevel(s,i.distance,i.hysteresis)}}return n}bindSkeletons(t,e){0!==Object.keys(e).length&&t.traverse(function(t){if(!0===t.isSkinnedMesh&&void 0!==t.skeleton){const i=e[t.skeleton];void 0===i?as("ObjectLoader: No skeleton found with UUID:",t.skeleton):t.bind(i,t.bindMatrix)}})}bindLightTargets(t){t.traverse(function(e){if(e.isDirectionalLight||e.isSpotLight){const i=e.target,s=t.getObjectByProperty("uuid",i);e.target=void 0!==s?s:new Sr}})}}const pu={UVMapping:ht,CubeReflectionMapping:lt,CubeRefractionMapping:302,EquirectangularReflectionMapping:303,EquirectangularRefractionMapping:304,CubeUVReflectionMapping:306},mu={RepeatWrapping:mt,ClampToEdgeWrapping:yt,MirroredRepeatWrapping:gt},yu={NearestFilter:ft,NearestMipmapNearestFilter:1004,NearestMipmapLinearFilter:1005,LinearFilter:Mt,LinearMipmapNearestFilter:1007,LinearMipmapLinearFilter:At},gu=new WeakMap;class fu extends Tc{constructor(t){super(t),this.isImageBitmapLoader=!0,"undefined"==typeof createImageBitmap&&as("ImageBitmapLoader: createImageBitmap() not supported."),"undefined"==typeof fetch&&as("ImageBitmapLoader: fetch() not supported."),this.options={premultiplyAlpha:"none"},this._abortController=new AbortController}setOptions(t){return this.options=t,this}load(t,e,i,s){void 0===t&&(t=""),void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=this,n=Sc.get(`image-bitmap:${t}`);if(void 0!==n)return r.manager.itemStart(t),n.then?void n.then(i=>{if(!0!==gu.has(n))return e&&e(i),r.manager.itemEnd(t),i;s&&s(gu.get(n)),r.manager.itemError(t),r.manager.itemEnd(t)}):(setTimeout(function(){e&&e(n),r.manager.itemEnd(t)},0),n);const a={};a.credentials="anonymous"===this.crossOrigin?"same-origin":"include",a.headers=this.requestHeader,a.signal="function"==typeof AbortSignal.any?AbortSignal.any([this._abortController.signal,this.manager.abortController.signal]):this._abortController.signal;const o=fetch(t,a).then(function(t){return t.blob()}).then(function(t){return createImageBitmap(t,Object.assign(r.options,{colorSpaceConversion:"none"}))}).then(function(i){return Sc.add(`image-bitmap:${t}`,i),e&&e(i),r.manager.itemEnd(t),i}).catch(function(e){s&&s(e),gu.set(o,e),Sc.remove(`image-bitmap:${t}`),r.manager.itemError(t),r.manager.itemEnd(t)});Sc.add(`image-bitmap:${t}`,o),r.manager.itemStart(t)}abort(){return this._abortController.abort(),this._abortController=new AbortController,this}}let xu;class bu{static getContext(){return void 0===xu&&(xu=new(window.AudioContext||window.webkitAudioContext)),xu}static setContext(t){xu=t}}class vu extends Tc{constructor(t){super(t)}load(t,e,i,s){const r=this,n=new Ic(this.manager);function a(e){s?s(e):os(e),r.manager.itemError(t)}n.setResponseType("arraybuffer"),n.setPath(this.path),n.setRequestHeader(this.requestHeader),n.setWithCredentials(this.withCredentials),n.load(t,function(t){try{const i=t.slice(0);bu.getContext().decodeAudioData(i,function(t){e(t)}).catch(a)}catch(t){a(t)}},i,s)}}const wu=new Gs,Mu=new Gs,Su=new Gs;class _u{constructor(){this.type="StereoCamera",this.aspect=1,this.eyeSep=.064,this.cameraL=new Gc,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new Gc,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(t){const e=this._cache;if(e.focus!==t.focus||e.fov!==t.fov||e.aspect!==t.aspect*this.aspect||e.near!==t.near||e.far!==t.far||e.zoom!==t.zoom||e.eyeSep!==this.eyeSep){e.focus=t.focus,e.fov=t.fov,e.aspect=t.aspect*this.aspect,e.near=t.near,e.far=t.far,e.zoom=t.zoom,e.eyeSep=this.eyeSep,Su.copy(t.projectionMatrix);const i=e.eyeSep/2,s=i*e.near/e.focus,r=e.near*Math.tan(ps*e.fov*.5)/e.zoom;let n,a;Mu.elements[12]=-i,wu.elements[12]=i,n=-r*e.aspect+s,a=r*e.aspect+s,Su.elements[0]=2*e.near/(a-n),Su.elements[8]=(a+n)/(a-n),this.cameraL.projectionMatrix.copy(Su),n=-r*e.aspect-s,a=r*e.aspect-s,Su.elements[0]=2*e.near/(a-n),Su.elements[8]=(a+n)/(a-n),this.cameraR.projectionMatrix.copy(Su)}this.cameraL.matrixWorld.copy(t.matrixWorld).multiply(Mu),this.cameraR.matrixWorld.copy(t.matrixWorld).multiply(wu)}}const Au=-90;class Tu extends Sr{constructor(t,e,i){super(),this.type="CubeCamera",this.renderTarget=i,this.coordinateSystem=null,this.activeMipmapLevel=0;const s=new Gc(Au,1,t,e);s.layers=this.layers,this.add(s);const r=new Gc(Au,1,t,e);r.layers=this.layers,this.add(r);const n=new Gc(Au,1,t,e);n.layers=this.layers,this.add(n);const a=new Gc(Au,1,t,e);a.layers=this.layers,this.add(a);const o=new Gc(Au,1,t,e);o.layers=this.layers,this.add(o);const h=new Gc(Au,1,t,e);h.layers=this.layers,this.add(h)}updateCoordinateSystem(){const t=this.coordinateSystem,e=this.children.concat(),[i,s,r,n,a,o]=e;for(const t of e)this.remove(t);if(t===Ui)i.up.set(0,1,0),i.lookAt(1,0,0),s.up.set(0,1,0),s.lookAt(-1,0,0),r.up.set(0,0,-1),r.lookAt(0,1,0),n.up.set(0,0,1),n.lookAt(0,-1,0),a.up.set(0,1,0),a.lookAt(0,0,1),o.up.set(0,1,0),o.lookAt(0,0,-1);else{if(t!==Ji)throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+t);i.up.set(0,-1,0),i.lookAt(-1,0,0),s.up.set(0,-1,0),s.lookAt(1,0,0),r.up.set(0,0,1),r.lookAt(0,1,0),n.up.set(0,0,-1),n.lookAt(0,-1,0),a.up.set(0,-1,0),a.lookAt(0,0,1),o.up.set(0,-1,0),o.lookAt(0,0,-1)}for(const t of e)this.add(t),t.updateMatrixWorld()}update(t,e){null===this.parent&&this.updateMatrixWorld();const{renderTarget:i,activeMipmapLevel:s}=this;this.coordinateSystem!==t.coordinateSystem&&(this.coordinateSystem=t.coordinateSystem,this.updateCoordinateSystem());const[r,n,a,o,h,l]=this.children,c=t.getRenderTarget(),u=t.getActiveCubeFace(),d=t.getActiveMipmapLevel(),p=t.xr.enabled;t.xr.enabled=!1;const m=i.texture.generateMipmaps;i.texture.generateMipmaps=!1;const y=!(!t.isWebGLRenderer||!t.state.buffers.depth.getReversed());t.setRenderTarget(i,0,s),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,r),t.setRenderTarget(i,1,s),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,n),t.setRenderTarget(i,2,s),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,a),t.setRenderTarget(i,3,s),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,o),t.setRenderTarget(i,4,s),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,h),i.texture.generateMipmaps=m,t.setRenderTarget(i,5,s),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,l),t.setRenderTarget(c,u,d),t.xr.enabled=p,i.texture.needsPMREMUpdate=!0}}class zu extends Gc{constructor(t=[]){super(),this.isArrayCamera=!0,this.isMultiViewCamera=!1,this.cameras=t}}class Cu{constructor(t=!0){this.autoStart=t,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1,as("THREE.Clock: This module has been deprecated. Please use THREE.Timer instead.")}start(){this.startTime=performance.now(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0}stop(){this.getElapsedTime(),this.running=!1,this.autoStart=!1}getElapsedTime(){return this.getDelta(),this.elapsedTime}getDelta(){let t=0;if(this.autoStart&&!this.running)return this.start(),0;if(this.running){const e=performance.now();t=(e-this.oldTime)/1e3,this.oldTime=e,this.elapsedTime+=t}return t}}const Iu=new _s,ku=new Ss,Bu=new _s,Ou=new _s,Pu=new _s;class Ru extends Sr{constructor(){super(),this.type="AudioListener",this.context=bu.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._clock=new Cu}getInput(){return this.gain}removeFilter(){return null!==this.filter&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(t){return null!==this.filter?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=t,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this}updateMatrixWorld(t){super.updateMatrixWorld(t);const e=this.context.listener;if(this.timeDelta=this._clock.getDelta(),this.matrixWorld.decompose(Iu,ku,Bu),Ou.set(0,0,-1).applyQuaternion(ku),Pu.set(0,1,0).applyQuaternion(ku),e.positionX){const t=this.context.currentTime+this.timeDelta;e.positionX.linearRampToValueAtTime(Iu.x,t),e.positionY.linearRampToValueAtTime(Iu.y,t),e.positionZ.linearRampToValueAtTime(Iu.z,t),e.forwardX.linearRampToValueAtTime(Ou.x,t),e.forwardY.linearRampToValueAtTime(Ou.y,t),e.forwardZ.linearRampToValueAtTime(Ou.z,t),e.upX.linearRampToValueAtTime(Pu.x,t),e.upY.linearRampToValueAtTime(Pu.y,t),e.upZ.linearRampToValueAtTime(Pu.z,t)}else e.setPosition(Iu.x,Iu.y,Iu.z),e.setOrientation(Ou.x,Ou.y,Ou.z,Pu.x,Pu.y,Pu.z)}}class Nu extends Sr{constructor(t){super(),this.type="Audio",this.listener=t,this.context=t.context,this.gain=this.context.createGain(),this.gain.connect(t.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(t){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=t,this.connect(),this}setMediaElementSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(t),this.connect(),this}setMediaStreamSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(t),this.connect(),this}setBuffer(t){return this.buffer=t,this.sourceType="buffer",this.autoplay&&this.play(),this}play(t=0){if(!0===this.isPlaying)return void as("Audio: Audio is already playing.");if(!1===this.hasPlaybackControl)return void as("Audio: this Audio has no playback control.");this._startedAt=this.context.currentTime+t;const e=this.context.createBufferSource();return e.buffer=this.buffer,e.loop=this.loop,e.loopStart=this.loopStart,e.loopEnd=this.loopEnd,e.onended=this.onEnded.bind(this),e.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=e,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(!1!==this.hasPlaybackControl)return!0===this.isPlaying&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,!0===this.loop&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this;as("Audio: this Audio has no playback control.")}stop(t=0){if(!1!==this.hasPlaybackControl)return this._progress=0,null!==this.source&&(this.source.stop(this.context.currentTime+t),this.source.onended=null),this.isPlaying=!1,this;as("Audio: this Audio has no playback control.")}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let t=1,e=this.filters.length;t<e;t++)this.filters[t-1].connect(this.filters[t]);this.filters[this.filters.length-1].connect(this.getOutput())}else this.source.connect(this.getOutput());return this._connected=!0,this}disconnect(){if(!1!==this._connected){if(this.filters.length>0){this.source.disconnect(this.filters[0]);for(let t=1,e=this.filters.length;t<e;t++)this.filters[t-1].disconnect(this.filters[t]);this.filters[this.filters.length-1].disconnect(this.getOutput())}else this.source.disconnect(this.getOutput());return this._connected=!1,this}}getFilters(){return this.filters}setFilters(t){return t||(t=[]),!0===this._connected?(this.disconnect(),this.filters=t.slice(),this.connect()):this.filters=t.slice(),this}setDetune(t){return this.detune=t,!0===this.isPlaying&&void 0!==this.source.detune&&this.source.detune.setTargetAtTime(this.detune,this.context.currentTime,.01),this}getDetune(){return this.detune}getFilter(){return this.getFilters()[0]}setFilter(t){return this.setFilters(t?[t]:[])}setPlaybackRate(t){if(!1!==this.hasPlaybackControl)return this.playbackRate=t,!0===this.isPlaying&&this.source.playbackRate.setTargetAtTime(this.playbackRate,this.context.currentTime,.01),this;as("Audio: this Audio has no playback control.")}getPlaybackRate(){return this.playbackRate}onEnded(){this.isPlaying=!1,this._progress=0}getLoop(){return!1===this.hasPlaybackControl?(as("Audio: this Audio has no playback control."),!1):this.loop}setLoop(t){if(!1!==this.hasPlaybackControl)return this.loop=t,!0===this.isPlaying&&(this.source.loop=this.loop),this;as("Audio: this Audio has no playback control.")}setLoopStart(t){return this.loopStart=t,this}setLoopEnd(t){return this.loopEnd=t,this}getVolume(){return this.gain.gain.value}setVolume(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this}copy(t,e){return super.copy(t,e),"buffer"!==t.sourceType?(as("Audio: Audio source type cannot be copied."),this):(this.autoplay=t.autoplay,this.buffer=t.buffer,this.detune=t.detune,this.loop=t.loop,this.loopStart=t.loopStart,this.loopEnd=t.loopEnd,this.offset=t.offset,this.duration=t.duration,this.playbackRate=t.playbackRate,this.hasPlaybackControl=t.hasPlaybackControl,this.sourceType=t.sourceType,this.filters=t.filters.slice(),this)}clone(t){return new this.constructor(this.listener).copy(this,t)}}const Vu=new _s,Eu=new Ss,Fu=new _s,Lu=new _s;class ju extends Nu{constructor(t){super(t),this.panner=this.context.createPanner(),this.panner.panningModel="HRTF",this.panner.connect(this.gain)}connect(){return super.connect(),this.panner.connect(this.gain),this}disconnect(){return super.disconnect(),this.panner.disconnect(this.gain),this}getOutput(){return this.panner}getRefDistance(){return this.panner.refDistance}setRefDistance(t){return this.panner.refDistance=t,this}getRolloffFactor(){return this.panner.rolloffFactor}setRolloffFactor(t){return this.panner.rolloffFactor=t,this}getDistanceModel(){return this.panner.distanceModel}setDistanceModel(t){return this.panner.distanceModel=t,this}getMaxDistance(){return this.panner.maxDistance}setMaxDistance(t){return this.panner.maxDistance=t,this}setDirectionalCone(t,e,i){return this.panner.coneInnerAngle=t,this.panner.coneOuterAngle=e,this.panner.coneOuterGain=i,this}updateMatrixWorld(t){if(super.updateMatrixWorld(t),!0===this.hasPlaybackControl&&!1===this.isPlaying)return;this.matrixWorld.decompose(Vu,Eu,Fu),Lu.set(0,0,1).applyQuaternion(Eu);const e=this.panner;if(e.positionX){const t=this.context.currentTime+this.listener.timeDelta;e.positionX.linearRampToValueAtTime(Vu.x,t),e.positionY.linearRampToValueAtTime(Vu.y,t),e.positionZ.linearRampToValueAtTime(Vu.z,t),e.orientationX.linearRampToValueAtTime(Lu.x,t),e.orientationY.linearRampToValueAtTime(Lu.y,t),e.orientationZ.linearRampToValueAtTime(Lu.z,t)}else e.setPosition(Vu.x,Vu.y,Vu.z),e.setOrientation(Lu.x,Lu.y,Lu.z)}}class Du{constructor(t,e=2048){this.analyser=t.context.createAnalyser(),this.analyser.fftSize=e,this.data=new Uint8Array(this.analyser.frequencyBinCount),t.getOutput().connect(this.analyser)}getFrequencyData(){return this.analyser.getByteFrequencyData(this.data),this.data}getAverageFrequency(){let t=0;const e=this.getFrequencyData();for(let i=0;i<e.length;i++)t+=e[i];return t/e.length}}class Wu{constructor(t,e,i){let s,r,n;switch(this.binding=t,this.valueSize=i,e){case"quaternion":s=this._slerp,r=this._slerpAdditive,n=this._setAdditiveIdentityQuaternion,this.buffer=new Float64Array(6*i),this._workIndex=5;break;case"string":case"bool":s=this._select,r=this._select,n=this._setAdditiveIdentityOther,this.buffer=new Array(5*i);break;default:s=this._lerp,r=this._lerpAdditive,n=this._setAdditiveIdentityNumeric,this.buffer=new Float64Array(5*i)}this._mixBufferRegion=s,this._mixBufferRegionAdditive=r,this._setIdentity=n,this._origIndex=3,this._addIndex=4,this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,this.useCount=0,this.referenceCount=0}accumulate(t,e){const i=this.buffer,s=this.valueSize,r=t*s+s;let n=this.cumulativeWeight;if(0===n){for(let t=0;t!==s;++t)i[r+t]=i[t];n=e}else{n+=e;const t=e/n;this._mixBufferRegion(i,r,0,t,s)}this.cumulativeWeight=n}accumulateAdditive(t){const e=this.buffer,i=this.valueSize,s=i*this._addIndex;0===this.cumulativeWeightAdditive&&this._setIdentity(),this._mixBufferRegionAdditive(e,s,0,t,i),this.cumulativeWeightAdditive+=t}apply(t){const e=this.valueSize,i=this.buffer,s=t*e+e,r=this.cumulativeWeight,n=this.cumulativeWeightAdditive,a=this.binding;if(this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,r<1){const t=e*this._origIndex;this._mixBufferRegion(i,s,t,1-r,e)}n>0&&this._mixBufferRegionAdditive(i,s,this._addIndex*e,1,e);for(let t=e,r=e+e;t!==r;++t)if(i[t]!==i[t+e]){a.setValue(i,s);break}}saveOriginalState(){const t=this.binding,e=this.buffer,i=this.valueSize,s=i*this._origIndex;t.getValue(e,s);for(let t=i,r=s;t!==r;++t)e[t]=e[s+t%i];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){const t=3*this.valueSize;this.binding.setValue(this.buffer,t)}_setAdditiveIdentityNumeric(){const t=this._addIndex*this.valueSize,e=t+this.valueSize;for(let i=t;i<e;i++)this.buffer[i]=0}_setAdditiveIdentityQuaternion(){this._setAdditiveIdentityNumeric(),this.buffer[this._addIndex*this.valueSize+3]=1}_setAdditiveIdentityOther(){const t=this._origIndex*this.valueSize,e=this._addIndex*this.valueSize;for(let i=0;i<this.valueSize;i++)this.buffer[e+i]=this.buffer[t+i]}_select(t,e,i,s,r){if(s>=.5)for(let s=0;s!==r;++s)t[e+s]=t[i+s]}_slerp(t,e,i,s){Ss.slerpFlat(t,e,t,e,t,i,s)}_slerpAdditive(t,e,i,s,r){const n=this._workIndex*r;Ss.multiplyQuaternionsFlat(t,n,t,e,t,i),Ss.slerpFlat(t,e,t,e,t,n,s)}_lerp(t,e,i,s,r){const n=1-s;for(let a=0;a!==r;++a){const r=e+a;t[r]=t[r]*n+t[i+a]*s}}_lerpAdditive(t,e,i,s,r){for(let n=0;n!==r;++n){const r=e+n;t[r]=t[r]+t[i+n]*s}}}const Uu="\\[\\]\\.:\\/",Ju=new RegExp("["+Uu+"]","g"),qu="[^"+Uu+"]",Xu="[^"+Uu.replace("\\.","")+"]",Yu=new RegExp("^"+/((?:WC+[\/:])*)/.source.replace("WC",qu)+/(WCOD+)?/.source.replace("WCOD",Xu)+/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",qu)+/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",qu)+"$"),Hu=["material","materials","bones","map"];class Zu{constructor(t,e,i){this.path=e,this.parsedPath=i||Zu.parseTrackName(e),this.node=Zu.findNode(t,this.parsedPath.nodeName),this.rootNode=t,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(t,e,i){return t&&t.isAnimationObjectGroup?new Zu.Composite(t,e,i):new Zu(t,e,i)}static sanitizeNodeName(t){return t.replace(/\s/g,"_").replace(Ju,"")}static parseTrackName(t){const e=Yu.exec(t);if(null===e)throw new Error("PropertyBinding: Cannot parse trackName: "+t);const i={nodeName:e[2],objectName:e[3],objectIndex:e[4],propertyName:e[5],propertyIndex:e[6]},s=i.nodeName&&i.nodeName.lastIndexOf(".");if(void 0!==s&&-1!==s){const t=i.nodeName.substring(s+1);-1!==Hu.indexOf(t)&&(i.nodeName=i.nodeName.substring(0,s),i.objectName=t)}if(null===i.propertyName||0===i.propertyName.length)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+t);return i}static findNode(t,e){if(void 0===e||""===e||"."===e||-1===e||e===t.name||e===t.uuid)return t;if(t.skeleton){const i=t.skeleton.getBoneByName(e);if(void 0!==i)return i}if(t.children){const i=function(t){for(let s=0;s<t.length;s++){const r=t[s];if(r.name===e||r.uuid===e)return r;const n=i(r.children);if(n)return n}return null},s=i(t.children);if(s)return s}return null}_getValue_unavailable(){}_setValue_unavailable(){}_getValue_direct(t,e){t[e]=this.targetObject[this.propertyName]}_getValue_array(t,e){const i=this.resolvedProperty;for(let s=0,r=i.length;s!==r;++s)t[e++]=i[s]}_getValue_arrayElement(t,e){t[e]=this.resolvedProperty[this.propertyIndex]}_getValue_toArray(t,e){this.resolvedProperty.toArray(t,e)}_setValue_direct(t,e){this.targetObject[this.propertyName]=t[e]}_setValue_direct_setNeedsUpdate(t,e){this.targetObject[this.propertyName]=t[e],this.targetObject.needsUpdate=!0}_setValue_direct_setMatrixWorldNeedsUpdate(t,e){this.targetObject[this.propertyName]=t[e],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_array(t,e){const i=this.resolvedProperty;for(let s=0,r=i.length;s!==r;++s)i[s]=t[e++]}_setValue_array_setNeedsUpdate(t,e){const i=this.resolvedProperty;for(let s=0,r=i.length;s!==r;++s)i[s]=t[e++];this.targetObject.needsUpdate=!0}_setValue_array_setMatrixWorldNeedsUpdate(t,e){const i=this.resolvedProperty;for(let s=0,r=i.length;s!==r;++s)i[s]=t[e++];this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_arrayElement(t,e){this.resolvedProperty[this.propertyIndex]=t[e]}_setValue_arrayElement_setNeedsUpdate(t,e){this.resolvedProperty[this.propertyIndex]=t[e],this.targetObject.needsUpdate=!0}_setValue_arrayElement_setMatrixWorldNeedsUpdate(t,e){this.resolvedProperty[this.propertyIndex]=t[e],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_fromArray(t,e){this.resolvedProperty.fromArray(t,e)}_setValue_fromArray_setNeedsUpdate(t,e){this.resolvedProperty.fromArray(t,e),this.targetObject.needsUpdate=!0}_setValue_fromArray_setMatrixWorldNeedsUpdate(t,e){this.resolvedProperty.fromArray(t,e),this.targetObject.matrixWorldNeedsUpdate=!0}_getValue_unbound(t,e){this.bind(),this.getValue(t,e)}_setValue_unbound(t,e){this.bind(),this.setValue(t,e)}bind(){let t=this.node;const e=this.parsedPath,i=e.objectName,s=e.propertyName;let r=e.propertyIndex;if(t||(t=Zu.findNode(this.rootNode,e.nodeName),this.node=t),this.getValue=this._getValue_unavailable,this.setValue=this._setValue_unavailable,!t)return void as("PropertyBinding: No target node found for track: "+this.path+".");if(i){let s=e.objectIndex;switch(i){case"materials":if(!t.material)return void os("PropertyBinding: Can not bind to material as node does not have a material.",this);if(!t.material.materials)return void os("PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.",this);t=t.material.materials;break;case"bones":if(!t.skeleton)return void os("PropertyBinding: Can not bind to bones as node does not have a skeleton.",this);t=t.skeleton.bones;for(let e=0;e<t.length;e++)if(t[e].name===s){s=e;break}break;case"map":if("map"in t){t=t.map;break}if(!t.material)return void os("PropertyBinding: Can not bind to material as node does not have a material.",this);if(!t.material.map)return void os("PropertyBinding: Can not bind to material.map as node.material does not have a map.",this);t=t.material.map;break;default:if(void 0===t[i])return void os("PropertyBinding: Can not bind to objectName of node undefined.",this);t=t[i]}if(void 0!==s){if(void 0===t[s])return void os("PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.",this,t);t=t[s]}}const n=t[s];if(void 0===n){return void os("PropertyBinding: Trying to update property for track: "+e.nodeName+"."+s+" but it wasn't found.",t)}let a=this.Versioning.None;this.targetObject=t,!0===t.isMaterial?a=this.Versioning.NeedsUpdate:!0===t.isObject3D&&(a=this.Versioning.MatrixWorldNeedsUpdate);let o=this.BindingType.Direct;if(void 0!==r){if("morphTargetInfluences"===s){if(!t.geometry)return void os("PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.",this);if(!t.geometry.morphAttributes)return void os("PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.",this);void 0!==t.morphTargetDictionary[r]&&(r=t.morphTargetDictionary[r])}o=this.BindingType.ArrayElement,this.resolvedProperty=n,this.propertyIndex=r}else void 0!==n.fromArray&&void 0!==n.toArray?(o=this.BindingType.HasFromToArray,this.resolvedProperty=n):Array.isArray(n)?(o=this.BindingType.EntireArray,this.resolvedProperty=n):this.propertyName=s;this.getValue=this.GetterByBindingType[o],this.setValue=this.SetterByBindingTypeAndVersioning[o][a]}unbind(){this.node=null,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}}Zu.Composite=class{constructor(t,e,i){const s=i||Zu.parseTrackName(e);this._targetGroup=t,this._bindings=t.subscribe_(e,s)}getValue(t,e){this.bind();const i=this._targetGroup.nCachedObjects_,s=this._bindings[i];void 0!==s&&s.getValue(t,e)}setValue(t,e){const i=this._bindings;for(let s=this._targetGroup.nCachedObjects_,r=i.length;s!==r;++s)i[s].setValue(t,e)}bind(){const t=this._bindings;for(let e=this._targetGroup.nCachedObjects_,i=t.length;e!==i;++e)t[e].bind()}unbind(){const t=this._bindings;for(let e=this._targetGroup.nCachedObjects_,i=t.length;e!==i;++e)t[e].unbind()}},Zu.prototype.BindingType={Direct:0,EntireArray:1,ArrayElement:2,HasFromToArray:3},Zu.prototype.Versioning={None:0,NeedsUpdate:1,MatrixWorldNeedsUpdate:2},Zu.prototype.GetterByBindingType=[Zu.prototype._getValue_direct,Zu.prototype._getValue_array,Zu.prototype._getValue_arrayElement,Zu.prototype._getValue_toArray],Zu.prototype.SetterByBindingTypeAndVersioning=[[Zu.prototype._setValue_direct,Zu.prototype._setValue_direct_setNeedsUpdate,Zu.prototype._setValue_direct_setMatrixWorldNeedsUpdate],[Zu.prototype._setValue_array,Zu.prototype._setValue_array_setNeedsUpdate,Zu.prototype._setValue_array_setMatrixWorldNeedsUpdate],[Zu.prototype._setValue_arrayElement,Zu.prototype._setValue_arrayElement_setNeedsUpdate,Zu.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate],[Zu.prototype._setValue_fromArray,Zu.prototype._setValue_fromArray_setNeedsUpdate,Zu.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate]];class Gu{constructor(){this.isAnimationObjectGroup=!0,this.uuid=ys(),this._objects=Array.prototype.slice.call(arguments),this.nCachedObjects_=0;const t={};this._indicesByUUID=t;for(let e=0,i=arguments.length;e!==i;++e)t[arguments[e].uuid]=e;this._paths=[],this._parsedPaths=[],this._bindings=[],this._bindingsIndicesByPath={};const e=this;this.stats={objects:{get total(){return e._objects.length},get inUse(){return this.total-e.nCachedObjects_}},get bindingsPerObject(){return e._bindings.length}}}add(){const t=this._objects,e=this._indicesByUUID,i=this._paths,s=this._parsedPaths,r=this._bindings,n=r.length;let a,o=t.length,h=this.nCachedObjects_;for(let l=0,c=arguments.length;l!==c;++l){const c=arguments[l],u=c.uuid;let d=e[u];if(void 0===d){d=o++,e[u]=d,t.push(c);for(let t=0,e=n;t!==e;++t)r[t].push(new Zu(c,i[t],s[t]))}else if(d<h){a=t[d];const o=--h,l=t[o];e[l.uuid]=d,t[d]=l,e[u]=o,t[o]=c;for(let t=0,e=n;t!==e;++t){const e=r[t],n=e[o];let a=e[d];e[d]=n,void 0===a&&(a=new Zu(c,i[t],s[t])),e[o]=a}}else t[d]!==a&&os("AnimationObjectGroup: Different objects with the same UUID detected. Clean the caches or recreate your infrastructure when reloading scenes.")}this.nCachedObjects_=h}remove(){const t=this._objects,e=this._indicesByUUID,i=this._bindings,s=i.length;let r=this.nCachedObjects_;for(let n=0,a=arguments.length;n!==a;++n){const a=arguments[n],o=a.uuid,h=e[o];if(void 0!==h&&h>=r){const n=r++,l=t[n];e[l.uuid]=h,t[h]=l,e[o]=n,t[n]=a;for(let t=0,e=s;t!==e;++t){const e=i[t],s=e[n],r=e[h];e[h]=s,e[n]=r}}}this.nCachedObjects_=r}uncache(){const t=this._objects,e=this._indicesByUUID,i=this._bindings,s=i.length;let r=this.nCachedObjects_,n=t.length;for(let a=0,o=arguments.length;a!==o;++a){const o=arguments[a].uuid,h=e[o];if(void 0!==h)if(delete e[o],h<r){const a=--r,o=t[a],l=--n,c=t[l];e[o.uuid]=h,t[h]=o,e[c.uuid]=a,t[a]=c,t.pop();for(let t=0,e=s;t!==e;++t){const e=i[t],s=e[a],r=e[l];e[h]=s,e[a]=r,e.pop()}}else{const r=--n,a=t[r];r>0&&(e[a.uuid]=h),t[h]=a,t.pop();for(let t=0,e=s;t!==e;++t){const e=i[t];e[h]=e[r],e.pop()}}}this.nCachedObjects_=r}subscribe_(t,e){const i=this._bindingsIndicesByPath;let s=i[t];const r=this._bindings;if(void 0!==s)return r[s];const n=this._paths,a=this._parsedPaths,o=this._objects,h=o.length,l=this.nCachedObjects_,c=new Array(h);s=r.length,i[t]=s,n.push(t),a.push(e),r.push(c);for(let i=l,s=o.length;i!==s;++i){const s=o[i];c[i]=new Zu(s,t,e)}return c}unsubscribe_(t){const e=this._bindingsIndicesByPath,i=e[t];if(void 0!==i){const s=this._paths,r=this._parsedPaths,n=this._bindings,a=n.length-1,o=n[a];e[t[a]]=i,n[i]=o,n.pop(),r[i]=r[a],r.pop(),s[i]=s[a],s.pop()}}}class $u{constructor(t,e,i=null,s=e.blendMode){this._mixer=t,this._clip=e,this._localRoot=i,this.blendMode=s;const r=e.tracks,n=r.length,a=new Array(n),o={endingStart:je,endingEnd:je};for(let t=0;t!==n;++t){const e=r[t].createInterpolant(null);a[t]=e,e.settings=o}this._interpolantSettings=o,this._interpolants=a,this._propertyBindings=new Array(n),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=2201,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&0!==this.timeScale&&null===this._startTime&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(t){return this._startTime=t,this}setLoop(t,e){return this.loop=t,this.repetitions=e,this}setEffectiveWeight(t){return this.weight=t,this._effectiveWeight=this.enabled?t:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(t){return this._scheduleFading(t,0,1)}fadeOut(t){return this._scheduleFading(t,1,0)}crossFadeFrom(t,e,i=!1){if(t.fadeOut(e),this.fadeIn(e),!0===i){const i=this._clip.duration,s=t._clip.duration,r=s/i,n=i/s;t.warp(1,r,e),this.warp(n,1,e)}return this}crossFadeTo(t,e,i=!1){return t.crossFadeFrom(this,e,i)}stopFading(){const t=this._weightInterpolant;return null!==t&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}setEffectiveTimeScale(t){return this.timeScale=t,this._effectiveTimeScale=this.paused?0:t,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(t){return this.timeScale=this._clip.duration/t,this.stopWarping()}syncWith(t){return this.time=t.time,this.timeScale=t.timeScale,this.stopWarping()}halt(t){return this.warp(this._effectiveTimeScale,0,t)}warp(t,e,i){const s=this._mixer,r=s.time,n=this.timeScale;let a=this._timeScaleInterpolant;null===a&&(a=s._lendControlInterpolant(),this._timeScaleInterpolant=a);const o=a.parameterPositions,h=a.sampleValues;return o[0]=r,o[1]=r+i,h[0]=t/n,h[1]=e/n,this}stopWarping(){const t=this._timeScaleInterpolant;return null!==t&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(t,e,i,s){if(!this.enabled)return void this._updateWeight(t);const r=this._startTime;if(null!==r){const s=(t-r)*i;s<0||0===i?e=0:(this._startTime=null,e=i*s)}e*=this._updateTimeScale(t);const n=this._updateTime(e),a=this._updateWeight(t);if(a>0){const t=this._interpolants,e=this._propertyBindings;if(this.blendMode===Je)for(let i=0,s=t.length;i!==s;++i)t[i].evaluate(n),e[i].accumulateAdditive(a);else for(let i=0,r=t.length;i!==r;++i)t[i].evaluate(n),e[i].accumulate(s,a)}}_updateWeight(t){let e=0;if(this.enabled){e=this.weight;const i=this._weightInterpolant;if(null!==i){const s=i.evaluate(t)[0];e*=s,t>i.parameterPositions[1]&&(this.stopFading(),0===s&&(this.enabled=!1))}}return this._effectiveWeight=e,e}_updateTimeScale(t){let e=0;if(!this.paused){e=this.timeScale;const i=this._timeScaleInterpolant;if(null!==i){e*=i.evaluate(t)[0],t>i.parameterPositions[1]&&(this.stopWarping(),0===e?this.paused=!0:this.timeScale=e)}}return this._effectiveTimeScale=e,e}_updateTime(t){const e=this._clip.duration,i=this.loop;let s=this.time+t,r=this._loopCount;const n=2202===i;if(0===t)return-1===r||!n||1&~r?s:e-s;if(2200===i){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));t:{if(s>=e)s=e;else{if(!(s<0)){this.time=s;break t}s=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=s,this._mixer.dispatchEvent({type:"finished",action:this,direction:t<0?-1:1})}}else{if(-1===r&&(t>=0?(r=0,this._setEndings(!0,0===this.repetitions,n)):this._setEndings(0===this.repetitions,!0,n)),s>=e||s<0){const i=Math.floor(s/e);s-=e*i,r+=Math.abs(i);const a=this.repetitions-r;if(a<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,s=t>0?e:0,this.time=s,this._mixer.dispatchEvent({type:"finished",action:this,direction:t>0?1:-1});else{if(1===a){const e=t<0;this._setEndings(e,!e,n)}else this._setEndings(!1,!1,n);this._loopCount=r,this.time=s,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:i})}}else this.time=s;if(n&&!(1&~r))return e-s}return s}_setEndings(t,e,i){const s=this._interpolantSettings;i?(s.endingStart=De,s.endingEnd=De):(s.endingStart=t?this.zeroSlopeAtStart?De:je:We,s.endingEnd=e?this.zeroSlopeAtEnd?De:je:We)}_scheduleFading(t,e,i){const s=this._mixer,r=s.time;let n=this._weightInterpolant;null===n&&(n=s._lendControlInterpolant(),this._weightInterpolant=n);const a=n.parameterPositions,o=n.sampleValues;return a[0]=r,o[0]=e,a[1]=r+t,o[1]=i,this}}const Qu=new Float32Array(1);class Ku extends cs{constructor(t){super(),this._root=t,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}_bindAction(t,e){const i=t._localRoot||this._root,s=t._clip.tracks,r=s.length,n=t._propertyBindings,a=t._interpolants,o=i.uuid,h=this._bindingsByRootAndName;let l=h[o];void 0===l&&(l={},h[o]=l);for(let t=0;t!==r;++t){const r=s[t],h=r.name;let c=l[h];if(void 0!==c)++c.referenceCount,n[t]=c;else{if(c=n[t],void 0!==c){null===c._cacheIndex&&(++c.referenceCount,this._addInactiveBinding(c,o,h));continue}const s=e&&e._propertyBindings[t].binding.parsedPath;c=new Wu(Zu.create(i,h,s),r.ValueTypeName,r.getValueSize()),++c.referenceCount,this._addInactiveBinding(c,o,h),n[t]=c}a[t].resultBuffer=c.buffer}}_activateAction(t){if(!this._isActiveAction(t)){if(null===t._cacheIndex){const e=(t._localRoot||this._root).uuid,i=t._clip.uuid,s=this._actionsByClip[i];this._bindAction(t,s&&s.knownActions[0]),this._addInactiveAction(t,i,e)}const e=t._propertyBindings;for(let t=0,i=e.length;t!==i;++t){const i=e[t];0===i.useCount++&&(this._lendBinding(i),i.saveOriginalState())}this._lendAction(t)}}_deactivateAction(t){if(this._isActiveAction(t)){const e=t._propertyBindings;for(let t=0,i=e.length;t!==i;++t){const i=e[t];0===--i.useCount&&(i.restoreOriginalState(),this._takeBackBinding(i))}this._takeBackAction(t)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;const t=this;this.stats={actions:{get total(){return t._actions.length},get inUse(){return t._nActiveActions}},bindings:{get total(){return t._bindings.length},get inUse(){return t._nActiveBindings}},controlInterpolants:{get total(){return t._controlInterpolants.length},get inUse(){return t._nActiveControlInterpolants}}}}_isActiveAction(t){const e=t._cacheIndex;return null!==e&&e<this._nActiveActions}_addInactiveAction(t,e,i){const s=this._actions,r=this._actionsByClip;let n=r[e];if(void 0===n)n={knownActions:[t],actionByRoot:{}},t._byClipCacheIndex=0,r[e]=n;else{const e=n.knownActions;t._byClipCacheIndex=e.length,e.push(t)}t._cacheIndex=s.length,s.push(t),n.actionByRoot[i]=t}_removeInactiveAction(t){const e=this._actions,i=e[e.length-1],s=t._cacheIndex;i._cacheIndex=s,e[s]=i,e.pop(),t._cacheIndex=null;const r=t._clip.uuid,n=this._actionsByClip,a=n[r],o=a.knownActions,h=o[o.length-1],l=t._byClipCacheIndex;h._byClipCacheIndex=l,o[l]=h,o.pop(),t._byClipCacheIndex=null;delete a.actionByRoot[(t._localRoot||this._root).uuid],0===o.length&&delete n[r],this._removeInactiveBindingsForAction(t)}_removeInactiveBindingsForAction(t){const e=t._propertyBindings;for(let t=0,i=e.length;t!==i;++t){const i=e[t];0===--i.referenceCount&&this._removeInactiveBinding(i)}}_lendAction(t){const e=this._actions,i=t._cacheIndex,s=this._nActiveActions++,r=e[s];t._cacheIndex=s,e[s]=t,r._cacheIndex=i,e[i]=r}_takeBackAction(t){const e=this._actions,i=t._cacheIndex,s=--this._nActiveActions,r=e[s];t._cacheIndex=s,e[s]=t,r._cacheIndex=i,e[i]=r}_addInactiveBinding(t,e,i){const s=this._bindingsByRootAndName,r=this._bindings;let n=s[e];void 0===n&&(n={},s[e]=n),n[i]=t,t._cacheIndex=r.length,r.push(t)}_removeInactiveBinding(t){const e=this._bindings,i=t.binding,s=i.rootNode.uuid,r=i.path,n=this._bindingsByRootAndName,a=n[s],o=e[e.length-1],h=t._cacheIndex;o._cacheIndex=h,e[h]=o,e.pop(),delete a[r],0===Object.keys(a).length&&delete n[s]}_lendBinding(t){const e=this._bindings,i=t._cacheIndex,s=this._nActiveBindings++,r=e[s];t._cacheIndex=s,e[s]=t,r._cacheIndex=i,e[i]=r}_takeBackBinding(t){const e=this._bindings,i=t._cacheIndex,s=--this._nActiveBindings,r=e[s];t._cacheIndex=s,e[s]=t,r._cacheIndex=i,e[i]=r}_lendControlInterpolant(){const t=this._controlInterpolants,e=this._nActiveControlInterpolants++;let i=t[e];return void 0===i&&(i=new cc(new Float32Array(2),new Float32Array(2),1,Qu),i.__cacheIndex=e,t[e]=i),i}_takeBackControlInterpolant(t){const e=this._controlInterpolants,i=t.__cacheIndex,s=--this._nActiveControlInterpolants,r=e[s];t.__cacheIndex=s,e[s]=t,r.__cacheIndex=i,e[i]=r}clipAction(t,e,i){const s=e||this._root,r=s.uuid;let n="string"==typeof t?wc.findByName(s,t):t;const a=null!==n?n.uuid:t,o=this._actionsByClip[a];let h=null;if(void 0===i&&(i=null!==n?n.blendMode:Ue),void 0!==o){const t=o.actionByRoot[r];if(void 0!==t&&t.blendMode===i)return t;h=o.knownActions[0],null===n&&(n=h._clip)}if(null===n)return null;const l=new $u(this,n,e,i);return this._bindAction(l,h),this._addInactiveAction(l,a,r),l}existingAction(t,e){const i=e||this._root,s=i.uuid,r="string"==typeof t?wc.findByName(i,t):t,n=r?r.uuid:t,a=this._actionsByClip[n];return void 0!==a&&a.actionByRoot[s]||null}stopAllAction(){const t=this._actions;for(let e=this._nActiveActions-1;e>=0;--e)t[e].stop();return this}update(t){t*=this.timeScale;const e=this._actions,i=this._nActiveActions,s=this.time+=t,r=Math.sign(t),n=this._accuIndex^=1;for(let a=0;a!==i;++a){e[a]._update(s,t,r,n)}const a=this._bindings,o=this._nActiveBindings;for(let t=0;t!==o;++t)a[t].apply(n);return this}setTime(t){this.time=0;for(let t=0;t<this._actions.length;t++)this._actions[t].time=0;return this.update(t)}getRoot(){return this._root}uncacheClip(t){const e=this._actions,i=t.uuid,s=this._actionsByClip,r=s[i];if(void 0!==r){const t=r.knownActions;for(let i=0,s=t.length;i!==s;++i){const s=t[i];this._deactivateAction(s);const r=s._cacheIndex,n=e[e.length-1];s._cacheIndex=null,s._byClipCacheIndex=null,n._cacheIndex=r,e[r]=n,e.pop(),this._removeInactiveBindingsForAction(s)}delete s[i]}}uncacheRoot(t){const e=t.uuid,i=this._actionsByClip;for(const t in i){const s=i[t].actionByRoot[e];void 0!==s&&(this._deactivateAction(s),this._removeInactiveAction(s))}const s=this._bindingsByRootAndName[e];if(void 0!==s)for(const t in s){const e=s[t];e.restoreOriginalState(),this._removeInactiveBinding(e)}}uncacheAction(t,e){const i=this.existingAction(t,e);null!==i&&(this._deactivateAction(i),this._removeInactiveAction(i))}}class td extends Js{constructor(t=1,e=1,i=1,s={}){super(t,e,s),this.isRenderTarget3D=!0,this.depth=i,this.texture=new Hs(null,t,e,i),this._setTextureOptions(s),this.texture.isRenderTargetTexture=!0}}class ed{constructor(t){this.value=t}clone(){return new ed(void 0===this.value.clone?this.value:this.value.clone())}}let id=0;class sd extends cs{constructor(){super(),this.isUniformsGroup=!0,Object.defineProperty(this,"id",{value:id++}),this.name="",this.usage=Oi,this.uniforms=[]}add(t){return this.uniforms.push(t),this}remove(t){const e=this.uniforms.indexOf(t);return-1!==e&&this.uniforms.splice(e,1),this}setName(t){return this.name=t,this}setUsage(t){return this.usage=t,this}dispose(){this.dispatchEvent({type:"dispose"})}copy(t){this.name=t.name,this.usage=t.usage;const e=t.uniforms;this.uniforms.length=0;for(let t=0,i=e.length;t<i;t++){const i=Array.isArray(e[t])?e[t]:[e[t]];for(let t=0;t<i.length;t++)this.uniforms.push(i[t].clone())}return this}clone(){return(new this.constructor).copy(this)}}class rd extends Wn{constructor(t,e,i=1){super(t,e),this.isInstancedInterleavedBuffer=!0,this.meshPerAttribute=i}copy(t){return super.copy(t),this.meshPerAttribute=t.meshPerAttribute,this}clone(t){const e=super.clone(t);return e.meshPerAttribute=this.meshPerAttribute,e}toJSON(t){const e=super.toJSON(t);return e.isInstancedInterleavedBuffer=!0,e.meshPerAttribute=this.meshPerAttribute,e}}class nd{constructor(t,e,i,s,r,n=!1){this.isGLBufferAttribute=!0,this.name="",this.buffer=t,this.type=e,this.itemSize=i,this.elementSize=s,this.count=r,this.normalized=n,this.version=0}set needsUpdate(t){!0===t&&this.version++}setBuffer(t){return this.buffer=t,this}setType(t,e){return this.type=t,this.elementSize=e,this}setItemSize(t){return this.itemSize=t,this}setCount(t){return this.count=t,this}}const ad=new Gs;class od{constructor(t,e,i=0,s=1/0){this.ray=new ba(t,e),this.near=i,this.far=s,this.camera=null,this.layers=new or,this.params={Mesh:{},Line:{threshold:1},LOD:{},Points:{threshold:1},Sprite:{}}}set(t,e){this.ray.set(t,e)}setFromCamera(t,e){e.isPerspectiveCamera?(this.ray.origin.setFromMatrixPosition(e.matrixWorld),this.ray.direction.set(t.x,t.y,.5).unproject(e).sub(this.ray.origin).normalize(),this.camera=e):e.isOrthographicCamera?(this.ray.origin.set(t.x,t.y,(e.near+e.far)/(e.near-e.far)).unproject(e),this.ray.direction.set(0,0,-1).transformDirection(e.matrixWorld),this.camera=e):os("Raycaster: Unsupported camera type: "+e.type)}setFromXRController(t){return ad.identity().extractRotation(t.matrixWorld),this.ray.origin.setFromMatrixPosition(t.matrixWorld),this.ray.direction.set(0,0,-1).applyMatrix4(ad),this}intersectObject(t,e=!0,i=[]){return ld(t,this,i,e),i.sort(hd),i}intersectObjects(t,e=!0,i=[]){for(let s=0,r=t.length;s<r;s++)ld(t[s],this,i,e);return i.sort(hd),i}}function hd(t,e){return t.distance-e.distance}function ld(t,e,i,s){let r=!0;if(t.layers.test(e.layers)){!1===t.raycast(e,i)&&(r=!1)}if(!0===r&&!0===s){const s=t.children;for(let t=0,r=s.length;t<r;t++)ld(s[t],e,i,!0)}}class cd{constructor(){this._previousTime=0,this._currentTime=0,this._startTime=performance.now(),this._delta=0,this._elapsed=0,this._timescale=1,this._document=null,this._pageVisibilityHandler=null}connect(t){this._document=t,void 0!==t.hidden&&(this._pageVisibilityHandler=ud.bind(this),t.addEventListener("visibilitychange",this._pageVisibilityHandler,!1))}disconnect(){null!==this._pageVisibilityHandler&&(this._document.removeEventListener("visibilitychange",this._pageVisibilityHandler),this._pageVisibilityHandler=null),this._document=null}getDelta(){return this._delta/1e3}getElapsed(){return this._elapsed/1e3}getTimescale(){return this._timescale}setTimescale(t){return this._timescale=t,this}reset(){return this._currentTime=performance.now()-this._startTime,this}dispose(){this.disconnect()}update(t){return null!==this._pageVisibilityHandler&&!0===this._document.hidden?this._delta=0:(this._previousTime=this._currentTime,this._currentTime=(void 0!==t?t:performance.now())-this._startTime,this._delta=(this._currentTime-this._previousTime)*this._timescale,this._elapsed+=this._delta),this}}function ud(){!1===this._document.hidden&&this.reset()}class dd{constructor(t=1,e=0,i=0){this.radius=t,this.phi=e,this.theta=i}set(t,e,i){return this.radius=t,this.phi=e,this.theta=i,this}copy(t){return this.radius=t.radius,this.phi=t.phi,this.theta=t.theta,this}makeSafe(){const t=1e-6;return this.phi=gs(this.phi,t,Math.PI-t),this}setFromVector3(t){return this.setFromCartesianCoords(t.x,t.y,t.z)}setFromCartesianCoords(t,e,i){return this.radius=Math.sqrt(t*t+e*e+i*i),0===this.radius?(this.theta=0,this.phi=0):(this.theta=Math.atan2(t,i),this.phi=Math.acos(gs(e/this.radius,-1,1))),this}clone(){return(new this.constructor).copy(this)}}class pd{constructor(t=1,e=0,i=0){this.radius=t,this.theta=e,this.y=i}set(t,e,i){return this.radius=t,this.theta=e,this.y=i,this}copy(t){return this.radius=t.radius,this.theta=t.theta,this.y=t.y,this}setFromVector3(t){return this.setFromCartesianCoords(t.x,t.y,t.z)}setFromCartesianCoords(t,e,i){return this.radius=Math.sqrt(t*t+i*i),this.theta=Math.atan2(t,i),this.y=e,this}clone(){return(new this.constructor).copy(this)}}class md{constructor(t,e,i,s){md.prototype.isMatrix2=!0,this.elements=[1,0,0,1],void 0!==t&&this.set(t,e,i,s)}identity(){return this.set(1,0,0,1),this}fromArray(t,e=0){for(let i=0;i<4;i++)this.elements[i]=t[i+e];return this}set(t,e,i,s){const r=this.elements;return r[0]=t,r[2]=e,r[1]=i,r[3]=s,this}}const yd=new Ms;class gd{constructor(t=new Ms(1/0,1/0),e=new Ms(-1/0,-1/0)){this.isBox2=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromPoints(t){this.makeEmpty();for(let e=0,i=t.length;e<i;e++)this.expandByPoint(t[e]);return this}setFromCenterAndSize(t,e){const i=yd.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(i),this.max.copy(t).add(i),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.min.copy(t.min),this.max.copy(t.max),this}makeEmpty(){return this.min.x=this.min.y=1/0,this.max.x=this.max.y=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y}getCenter(t){return this.isEmpty()?t.set(0,0):t.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(t){return this.isEmpty()?t.set(0,0):t.subVectors(this.max,this.min)}expandByPoint(t){return this.min.min(t),this.max.max(t),this}expandByVector(t){return this.min.sub(t),this.max.add(t),this}expandByScalar(t){return this.min.addScalar(-t),this.max.addScalar(t),this}containsPoint(t){return t.x>=this.min.x&&t.x<=this.max.x&&t.y>=this.min.y&&t.y<=this.max.y}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(t){return t.max.x>=this.min.x&&t.min.x<=this.max.x&&t.max.y>=this.min.y&&t.min.y<=this.max.y}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,yd).distanceTo(t)}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const fd=new _s,xd=new _s,bd=new _s,vd=new _s,wd=new _s,Md=new _s,Sd=new _s;class _d{constructor(t=new _s,e=new _s){this.start=t,this.end=e}set(t,e){return this.start.copy(t),this.end.copy(e),this}copy(t){return this.start.copy(t.start),this.end.copy(t.end),this}getCenter(t){return t.addVectors(this.start,this.end).multiplyScalar(.5)}delta(t){return t.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(t,e){return this.delta(e).multiplyScalar(t).add(this.start)}closestPointToPointParameter(t,e){fd.subVectors(t,this.start),xd.subVectors(this.end,this.start);const i=xd.dot(xd);let s=xd.dot(fd)/i;return e&&(s=gs(s,0,1)),s}closestPointToPoint(t,e,i){const s=this.closestPointToPointParameter(t,e);return this.delta(i).multiplyScalar(s).add(this.start)}distanceSqToLine3(t,e=Md,i=Sd){const s=1e-8*1e-8;let r,n;const a=this.start,o=t.start,h=this.end,l=t.end;bd.subVectors(h,a),vd.subVectors(l,o),wd.subVectors(a,o);const c=bd.dot(bd),u=vd.dot(vd),d=vd.dot(wd);if(c<=s&&u<=s)return e.copy(a),i.copy(o),e.sub(i),e.dot(e);if(c<=s)r=0,n=d/u,n=gs(n,0,1);else{const t=bd.dot(wd);if(u<=s)n=0,r=gs(-t/c,0,1);else{const e=bd.dot(vd),i=c*u-e*e;r=0!==i?gs((e*d-t*u)/i,0,1):0,n=(e*r+d)/u,n<0?(n=0,r=gs(-t/c,0,1)):n>1&&(n=1,r=gs((e-t)/c,0,1))}}return e.copy(a).addScaledVector(bd,r),i.copy(o).addScaledVector(vd,n),e.distanceToSquared(i)}applyMatrix4(t){return this.start.applyMatrix4(t),this.end.applyMatrix4(t),this}equals(t){return t.start.equals(this.start)&&t.end.equals(this.end)}clone(){return(new this.constructor).copy(this)}}const Ad=new _s;class Td extends Sr{constructor(t,e){super(),this.light=t,this.matrixAutoUpdate=!1,this.color=e,this.type="SpotLightHelper";const i=new Dn,s=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let t=0,e=1,i=32;t<i;t++,e++){const r=t/i*Math.PI*2,n=e/i*Math.PI*2;s.push(Math.cos(r),Math.sin(r),1,Math.cos(n),Math.sin(n),1)}i.setAttribute("position",new In(s,3));const r=new No({fog:!1,toneMapped:!1});this.cone=new Yo(i,r),this.add(this.cone),this.update()}dispose(){this.cone.geometry.dispose(),this.cone.material.dispose()}update(){this.light.updateWorldMatrix(!0,!1),this.light.target.updateWorldMatrix(!0,!1),this.parent?(this.parent.updateWorldMatrix(!0),this.matrix.copy(this.parent.matrixWorld).invert().multiply(this.light.matrixWorld)):this.matrix.copy(this.light.matrixWorld),this.matrixWorld.copy(this.light.matrixWorld);const t=this.light.distance?this.light.distance:1e3,e=t*Math.tan(this.light.angle);this.cone.scale.set(e,e,t),Ad.setFromMatrixPosition(this.light.target.matrixWorld),this.cone.lookAt(Ad),void 0!==this.color?this.cone.material.color.set(this.color):this.cone.material.color.copy(this.light.color)}}const zd=new _s,Cd=new Gs,Id=new Gs;class kd extends Yo{constructor(t){const e=Bd(t),i=new Dn,s=[],r=[];for(let t=0;t<e.length;t++){const i=e[t];i.parent&&i.parent.isBone&&(s.push(0,0,0),s.push(0,0,0),r.push(0,0,0),r.push(0,0,0))}i.setAttribute("position",new In(s,3)),i.setAttribute("color",new In(r,3));super(i,new No({vertexColors:!0,depthTest:!1,depthWrite:!1,toneMapped:!1,transparent:!0})),this.isSkeletonHelper=!0,this.type="SkeletonHelper",this.root=t,this.bones=e,this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1;const n=new Br(255),a=new Br(65280);this.setColors(n,a)}updateMatrixWorld(t){const e=this.bones,i=this.geometry,s=i.getAttribute("position");Id.copy(this.root.matrixWorld).invert();for(let t=0,i=0;t<e.length;t++){const r=e[t];r.parent&&r.parent.isBone&&(Cd.multiplyMatrices(Id,r.matrixWorld),zd.setFromMatrixPosition(Cd),s.setXYZ(i,zd.x,zd.y,zd.z),Cd.multiplyMatrices(Id,r.parent.matrixWorld),zd.setFromMatrixPosition(Cd),s.setXYZ(i+1,zd.x,zd.y,zd.z),i+=2)}i.getAttribute("position").needsUpdate=!0,super.updateMatrixWorld(t)}setColors(t,e){const i=this.geometry.getAttribute("color");for(let s=0;s<i.count;s+=2)i.setXYZ(s,t.r,t.g,t.b),i.setXYZ(s+1,e.r,e.g,e.b);return i.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}}function Bd(t){const e=[];!0===t.isBone&&e.push(t);for(let i=0;i<t.children.length;i++)e.push(...Bd(t.children[i]));return e}class Od extends Oa{constructor(t,e,i){super(new Ol(e,4,2),new va({wireframe:!0,fog:!1,toneMapped:!1})),this.light=t,this.color=i,this.type="PointLightHelper",this.matrix=this.light.matrixWorld,this.matrixAutoUpdate=!1,this.update()}dispose(){this.geometry.dispose(),this.material.dispose()}update(){this.light.updateWorldMatrix(!0,!1),void 0!==this.color?this.material.color.set(this.color):this.material.color.copy(this.light.color)}}const Pd=new _s,Rd=new Br,Nd=new Br;class Vd extends Sr{constructor(t,e,i){super(),this.light=t,this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1,this.color=i,this.type="HemisphereLightHelper";const s=new Cl(e);s.rotateY(.5*Math.PI),this.material=new va({wireframe:!0,fog:!1,toneMapped:!1}),void 0===this.color&&(this.material.vertexColors=!0);const r=s.getAttribute("position"),n=new Float32Array(3*r.count);s.setAttribute("color",new vn(n,3)),this.add(new Oa(s,this.material)),this.update()}dispose(){this.children[0].geometry.dispose(),this.children[0].material.dispose()}update(){const t=this.children[0];if(void 0!==this.color)this.material.color.set(this.color);else{const e=t.geometry.getAttribute("color");Rd.copy(this.light.color),Nd.copy(this.light.groundColor);for(let t=0,i=e.count;t<i;t++){const s=t<i/2?Rd:Nd;e.setXYZ(t,s.r,s.g,s.b)}e.needsUpdate=!0}this.light.updateWorldMatrix(!0,!1),t.lookAt(Pd.setFromMatrixPosition(this.light.matrixWorld).negate())}}class Ed extends Yo{constructor(t=10,e=10,i=4473924,s=8947848){i=new Br(i),s=new Br(s);const r=e/2,n=t/e,a=t/2,o=[],h=[];for(let t=0,l=0,c=-a;t<=e;t++,c+=n){o.push(-a,0,c,a,0,c),o.push(c,0,-a,c,0,a);const e=t===r?i:s;e.toArray(h,l),l+=3,e.toArray(h,l),l+=3,e.toArray(h,l),l+=3,e.toArray(h,l),l+=3}const l=new Dn;l.setAttribute("position",new In(o,3)),l.setAttribute("color",new In(h,3));super(l,new No({vertexColors:!0,toneMapped:!1})),this.type="GridHelper"}dispose(){this.geometry.dispose(),this.material.dispose()}}class Fd extends Yo{constructor(t=10,e=16,i=8,s=64,r=4473924,n=8947848){r=new Br(r),n=new Br(n);const a=[],o=[];if(e>1)for(let i=0;i<e;i++){const s=i/e*(2*Math.PI),h=Math.sin(s)*t,l=Math.cos(s)*t;a.push(0,0,0),a.push(h,0,l);const c=1&i?r:n;o.push(c.r,c.g,c.b),o.push(c.r,c.g,c.b)}for(let e=0;e<i;e++){const h=1&e?r:n,l=t-t/i*e;for(let t=0;t<s;t++){let e=t/s*(2*Math.PI),i=Math.sin(e)*l,r=Math.cos(e)*l;a.push(i,0,r),o.push(h.r,h.g,h.b),e=(t+1)/s*(2*Math.PI),i=Math.sin(e)*l,r=Math.cos(e)*l,a.push(i,0,r),o.push(h.r,h.g,h.b)}}const h=new Dn;h.setAttribute("position",new In(a,3)),h.setAttribute("color",new In(o,3));super(h,new No({vertexColors:!0,toneMapped:!1})),this.type="PolarGridHelper"}dispose(){this.geometry.dispose(),this.material.dispose()}}const Ld=new _s,jd=new _s,Dd=new _s;class Wd extends Sr{constructor(t,e,i){super(),this.light=t,this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1,this.color=i,this.type="DirectionalLightHelper",void 0===e&&(e=1);let s=new Dn;s.setAttribute("position",new In([-e,e,0,e,e,0,e,-e,0,-e,-e,0,-e,e,0],3));const r=new No({fog:!1,toneMapped:!1});this.lightPlane=new Uo(s,r),this.add(this.lightPlane),s=new Dn,s.setAttribute("position",new In([0,0,0,0,0,1],3)),this.targetLine=new Uo(s,r),this.add(this.targetLine),this.update()}dispose(){this.lightPlane.geometry.dispose(),this.lightPlane.material.dispose(),this.targetLine.geometry.dispose(),this.targetLine.material.dispose()}update(){this.light.updateWorldMatrix(!0,!1),this.light.target.updateWorldMatrix(!0,!1),Ld.setFromMatrixPosition(this.light.matrixWorld),jd.setFromMatrixPosition(this.light.target.matrixWorld),Dd.subVectors(jd,Ld),this.lightPlane.lookAt(jd),void 0!==this.color?(this.lightPlane.material.color.set(this.color),this.targetLine.material.color.set(this.color)):(this.lightPlane.material.color.copy(this.light.color),this.targetLine.material.color.copy(this.light.color)),this.targetLine.lookAt(jd),this.targetLine.scale.z=Dd.length()}}const Ud=new _s,Jd=new Xc;class qd extends Yo{constructor(t){const e=new Dn,i=new No({color:16777215,vertexColors:!0,toneMapped:!1}),s=[],r=[],n={};function a(t,e){o(t),o(e)}function o(t){s.push(0,0,0),r.push(0,0,0),void 0===n[t]&&(n[t]=[]),n[t].push(s.length/3-1)}a("n1","n2"),a("n2","n4"),a("n4","n3"),a("n3","n1"),a("f1","f2"),a("f2","f4"),a("f4","f3"),a("f3","f1"),a("n1","f1"),a("n2","f2"),a("n3","f3"),a("n4","f4"),a("p","n1"),a("p","n2"),a("p","n3"),a("p","n4"),a("u1","u2"),a("u2","u3"),a("u3","u1"),a("c","t"),a("p","c"),a("cn1","cn2"),a("cn3","cn4"),a("cf1","cf2"),a("cf3","cf4"),e.setAttribute("position",new In(s,3)),e.setAttribute("color",new In(r,3)),super(e,i),this.type="CameraHelper",this.camera=t,this.camera.updateProjectionMatrix&&this.camera.updateProjectionMatrix(),this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1,this.pointMap=n,this.update();const h=new Br(16755200),l=new Br(16711680),c=new Br(43775),u=new Br(16777215),d=new Br(3355443);this.setColors(h,l,c,u,d)}setColors(t,e,i,s,r){const n=this.geometry.getAttribute("color");return n.setXYZ(0,t.r,t.g,t.b),n.setXYZ(1,t.r,t.g,t.b),n.setXYZ(2,t.r,t.g,t.b),n.setXYZ(3,t.r,t.g,t.b),n.setXYZ(4,t.r,t.g,t.b),n.setXYZ(5,t.r,t.g,t.b),n.setXYZ(6,t.r,t.g,t.b),n.setXYZ(7,t.r,t.g,t.b),n.setXYZ(8,t.r,t.g,t.b),n.setXYZ(9,t.r,t.g,t.b),n.setXYZ(10,t.r,t.g,t.b),n.setXYZ(11,t.r,t.g,t.b),n.setXYZ(12,t.r,t.g,t.b),n.setXYZ(13,t.r,t.g,t.b),n.setXYZ(14,t.r,t.g,t.b),n.setXYZ(15,t.r,t.g,t.b),n.setXYZ(16,t.r,t.g,t.b),n.setXYZ(17,t.r,t.g,t.b),n.setXYZ(18,t.r,t.g,t.b),n.setXYZ(19,t.r,t.g,t.b),n.setXYZ(20,t.r,t.g,t.b),n.setXYZ(21,t.r,t.g,t.b),n.setXYZ(22,t.r,t.g,t.b),n.setXYZ(23,t.r,t.g,t.b),n.setXYZ(24,e.r,e.g,e.b),n.setXYZ(25,e.r,e.g,e.b),n.setXYZ(26,e.r,e.g,e.b),n.setXYZ(27,e.r,e.g,e.b),n.setXYZ(28,e.r,e.g,e.b),n.setXYZ(29,e.r,e.g,e.b),n.setXYZ(30,e.r,e.g,e.b),n.setXYZ(31,e.r,e.g,e.b),n.setXYZ(32,i.r,i.g,i.b),n.setXYZ(33,i.r,i.g,i.b),n.setXYZ(34,i.r,i.g,i.b),n.setXYZ(35,i.r,i.g,i.b),n.setXYZ(36,i.r,i.g,i.b),n.setXYZ(37,i.r,i.g,i.b),n.setXYZ(38,s.r,s.g,s.b),n.setXYZ(39,s.r,s.g,s.b),n.setXYZ(40,r.r,r.g,r.b),n.setXYZ(41,r.r,r.g,r.b),n.setXYZ(42,r.r,r.g,r.b),n.setXYZ(43,r.r,r.g,r.b),n.setXYZ(44,r.r,r.g,r.b),n.setXYZ(45,r.r,r.g,r.b),n.setXYZ(46,r.r,r.g,r.b),n.setXYZ(47,r.r,r.g,r.b),n.setXYZ(48,r.r,r.g,r.b),n.setXYZ(49,r.r,r.g,r.b),n.needsUpdate=!0,this}update(){const t=this.geometry,e=this.pointMap;let i,s;if(Jd.projectionMatrixInverse.copy(this.camera.projectionMatrixInverse),!0===this.camera.reversedDepth)i=1,s=0;else if(this.camera.coordinateSystem===Ui)i=-1,s=1;else{if(this.camera.coordinateSystem!==Ji)throw new Error("THREE.CameraHelper.update(): Invalid coordinate system: "+this.camera.coordinateSystem);i=0,s=1}Xd("c",e,t,Jd,0,0,i),Xd("t",e,t,Jd,0,0,s),Xd("n1",e,t,Jd,-1,-1,i),Xd("n2",e,t,Jd,1,-1,i),Xd("n3",e,t,Jd,-1,1,i),Xd("n4",e,t,Jd,1,1,i),Xd("f1",e,t,Jd,-1,-1,s),Xd("f2",e,t,Jd,1,-1,s),Xd("f3",e,t,Jd,-1,1,s),Xd("f4",e,t,Jd,1,1,s),Xd("u1",e,t,Jd,.7,1.1,i),Xd("u2",e,t,Jd,-.7,1.1,i),Xd("u3",e,t,Jd,0,2,i),Xd("cf1",e,t,Jd,-1,0,s),Xd("cf2",e,t,Jd,1,0,s),Xd("cf3",e,t,Jd,0,-1,s),Xd("cf4",e,t,Jd,0,1,s),Xd("cn1",e,t,Jd,-1,0,i),Xd("cn2",e,t,Jd,1,0,i),Xd("cn3",e,t,Jd,0,-1,i),Xd("cn4",e,t,Jd,0,1,i),t.getAttribute("position").needsUpdate=!0}dispose(){this.geometry.dispose(),this.material.dispose()}}function Xd(t,e,i,s,r,n,a){Ud.set(r,n,a).unproject(s);const o=e[t];if(void 0!==o){const t=i.getAttribute("position");for(let e=0,i=o.length;e<i;e++)t.setXYZ(o[e],Ud.x,Ud.y,Ud.z)}}const Yd=new Gr;class Hd extends Yo{constructor(t,e=16776960){const i=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),s=new Float32Array(24),r=new Dn;r.setIndex(new vn(i,1)),r.setAttribute("position",new vn(s,3)),super(r,new No({color:e,toneMapped:!1})),this.object=t,this.type="BoxHelper",this.matrixAutoUpdate=!1,this.update()}update(){if(void 0!==this.object&&Yd.setFromObject(this.object),Yd.isEmpty())return;const t=Yd.min,e=Yd.max,i=this.geometry.attributes.position,s=i.array;s[0]=e.x,s[1]=e.y,s[2]=e.z,s[3]=t.x,s[4]=e.y,s[5]=e.z,s[6]=t.x,s[7]=t.y,s[8]=e.z,s[9]=e.x,s[10]=t.y,s[11]=e.z,s[12]=e.x,s[13]=e.y,s[14]=t.z,s[15]=t.x,s[16]=e.y,s[17]=t.z,s[18]=t.x,s[19]=t.y,s[20]=t.z,s[21]=e.x,s[22]=t.y,s[23]=t.z,i.needsUpdate=!0,this.geometry.computeBoundingSphere()}setFromObject(t){return this.object=t,this.update(),this}copy(t,e){return super.copy(t,e),this.object=t.object,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class Zd extends Yo{constructor(t,e=16776960){const i=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),s=new Dn;s.setIndex(new vn(i,1)),s.setAttribute("position",new In([1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,-1,1,-1,-1,-1,-1,1,-1,-1],3)),super(s,new No({color:e,toneMapped:!1})),this.box=t,this.type="Box3Helper",this.geometry.computeBoundingSphere()}updateMatrixWorld(t){const e=this.box;e.isEmpty()||(e.getCenter(this.position),e.getSize(this.scale),this.scale.multiplyScalar(.5),super.updateMatrixWorld(t))}dispose(){this.geometry.dispose(),this.material.dispose()}}class Gd extends Uo{constructor(t,e=1,i=16776960){const s=i,r=new Dn;r.setAttribute("position",new In([1,-1,0,-1,1,0,-1,-1,0,1,1,0,-1,1,0,-1,-1,0,1,-1,0,1,1,0],3)),r.computeBoundingSphere(),super(r,new No({color:s,toneMapped:!1})),this.type="PlaneHelper",this.plane=t,this.size=e;const n=new Dn;n.setAttribute("position",new In([1,1,0,-1,1,0,-1,-1,0,1,1,0,-1,-1,0,1,-1,0],3)),n.computeBoundingSphere(),this.add(new Oa(n,new va({color:s,opacity:.2,transparent:!0,depthWrite:!1,toneMapped:!1})))}updateMatrixWorld(t){this.position.set(0,0,0),this.scale.set(.5*this.size,.5*this.size,1),this.lookAt(this.plane.normal),this.translateZ(-this.plane.constant),super.updateMatrixWorld(t)}dispose(){this.geometry.dispose(),this.material.dispose(),this.children[0].geometry.dispose(),this.children[0].material.dispose()}}const $d=new _s;let Qd,Kd;class tp extends Sr{constructor(t=new _s(0,0,1),e=new _s(0,0,0),i=1,s=16776960,r=.2*i,n=.2*r){super(),this.type="ArrowHelper",void 0===Qd&&(Qd=new Dn,Qd.setAttribute("position",new In([0,0,0,0,1,0],3)),Kd=new fh(.5,1,5,1),Kd.translate(0,-.5,0)),this.position.copy(e),this.line=new Uo(Qd,new No({color:s,toneMapped:!1})),this.line.matrixAutoUpdate=!1,this.add(this.line),this.cone=new Oa(Kd,new va({color:s,toneMapped:!1})),this.cone.matrixAutoUpdate=!1,this.add(this.cone),this.setDirection(t),this.setLength(i,r,n)}setDirection(t){if(t.y>.99999)this.quaternion.set(0,0,0,1);else if(t.y<-.99999)this.quaternion.set(1,0,0,0);else{$d.set(t.z,0,-t.x).normalize();const e=Math.acos(t.y);this.quaternion.setFromAxisAngle($d,e)}}setLength(t,e=.2*t,i=.2*e){this.line.scale.set(1,Math.max(1e-4,t-e),1),this.line.updateMatrix(),this.cone.scale.set(i,e,i),this.cone.position.y=t,this.cone.updateMatrix()}setColor(t){this.line.material.color.set(t),this.cone.material.color.set(t)}copy(t){return super.copy(t,!1),this.line.copy(t.line),this.cone.copy(t.cone),this}dispose(){this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}}class ep extends Yo{constructor(t=1){const e=[0,0,0,t,0,0,0,0,0,0,t,0,0,0,0,0,0,t],i=new Dn;i.setAttribute("position",new In(e,3)),i.setAttribute("color",new In([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3));super(i,new No({vertexColors:!0,toneMapped:!1})),this.type="AxesHelper"}setColors(t,e,i){const s=new Br,r=this.geometry.attributes.color.array;return s.set(t),s.toArray(r,0),s.toArray(r,3),s.set(e),s.toArray(r,6),s.toArray(r,9),s.set(i),s.toArray(r,12),s.toArray(r,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class ip{constructor(){this.type="ShapePath",this.color=new Br,this.subPaths=[],this.currentPath=null}moveTo(t,e){return this.currentPath=new Xh,this.subPaths.push(this.currentPath),this.currentPath.moveTo(t,e),this}lineTo(t,e){return this.currentPath.lineTo(t,e),this}quadraticCurveTo(t,e,i,s){return this.currentPath.quadraticCurveTo(t,e,i,s),this}bezierCurveTo(t,e,i,s,r,n){return this.currentPath.bezierCurveTo(t,e,i,s,r,n),this}splineThru(t){return this.currentPath.splineThru(t),this}toShapes(t){function e(t,e){const i=e.length;let s=!1;for(let r=i-1,n=0;n<i;r=n++){let i=e[r],a=e[n],o=a.x-i.x,h=a.y-i.y;if(Math.abs(h)>Number.EPSILON){if(h<0&&(i=e[n],o=-o,a=e[r],h=-h),t.y<i.y||t.y>a.y)continue;if(t.y===i.y){if(t.x===i.x)return!0}else{const e=h*(t.x-i.x)-o*(t.y-i.y);if(0===e)return!0;if(e<0)continue;s=!s}}else{if(t.y!==i.y)continue;if(a.x<=t.x&&t.x<=i.x||i.x<=t.x&&t.x<=a.x)return!0}}return s}const i=wl.isClockWise,s=this.subPaths;if(0===s.length)return[];let r,n,a;const o=[];if(1===s.length)return n=s[0],a=new Yh,a.curves=n.curves,o.push(a),o;let h=!i(s[0].getPoints());h=t?!h:h;const l=[],c=[];let u,d,p=[],m=0;c[m]=void 0,p[m]=[];for(let e=0,a=s.length;e<a;e++)n=s[e],u=n.getPoints(),r=i(u),r=t?!r:r,r?(!h&&c[m]&&m++,c[m]={s:new Yh,p:u},c[m].s.curves=n.curves,h&&m++,p[m]=[]):p[m].push({h:n,p:u[0]});if(!c[0])return function(t){const e=[];for(let i=0,s=t.length;i<s;i++){const s=t[i],r=new Yh;r.curves=s.curves,e.push(r)}return e}(s);if(c.length>1){let t=!1,i=0;for(let t=0,e=c.length;t<e;t++)l[t]=[];for(let s=0,r=c.length;s<r;s++){const r=p[s];for(let n=0;n<r.length;n++){const a=r[n];let o=!0;for(let r=0;r<c.length;r++)e(a.p,c[r].p)&&(s!==r&&i++,o?(o=!1,l[r].push(a)):t=!0);o&&l[s].push(a)}}i>0&&!1===t&&(p=l)}for(let t=0,e=c.length;t<e;t++){a=c[t].s,o.push(a),d=p[t];for(let t=0,e=d.length;t<e;t++)a.holes.push(d[t].h)}return o}}class sp extends cs{constructor(t,e=null){super(),this.object=t,this.domElement=e,this.enabled=!0,this.state=-1,this.keys={},this.mouseButtons={LEFT:null,MIDDLE:null,RIGHT:null},this.touches={ONE:null,TWO:null}}connect(t){void 0!==t?(null!==this.domElement&&this.disconnect(),this.domElement=t):as("Controls: connect() now requires an element.")}disconnect(){}dispose(){}update(){}}function rp(t,e,i,s){const r=function(t){switch(t){case zt:case Ct:return{byteLength:1,components:1};case kt:case It:case Rt:return{byteLength:2,components:1};case Nt:case Vt:return{byteLength:2,components:4};case Ot:case Bt:case Pt:return{byteLength:4,components:1};case Ft:case Lt:return{byteLength:4,components:3}}throw new Error(`Unknown texture type ${t}.`)}(s);switch(i){case 1021:return t*e;case qt:case Xt:return t*e/r.components*r.byteLength;case 1030:case 1031:return t*e*2/r.components*r.byteLength;case 1022:return t*e*3/r.components*r.byteLength;case Wt:case 1033:return t*e*4/r.components*r.byteLength;case 33776:case 33777:return Math.floor((t+3)/4)*Math.floor((e+3)/4)*8;case 33778:case 33779:return Math.floor((t+3)/4)*Math.floor((e+3)/4)*16;case 35841:case 35843:return Math.max(t,16)*Math.max(e,8)/4;case 35840:case 35842:return Math.max(t,8)*Math.max(e,8)/2;case 36196:case 37492:case 37488:case 37489:return Math.floor((t+3)/4)*Math.floor((e+3)/4)*8;case 37496:case 37490:case 37491:case 37808:return Math.floor((t+3)/4)*Math.floor((e+3)/4)*16;case 37809:return Math.floor((t+4)/5)*Math.floor((e+3)/4)*16;case 37810:return Math.floor((t+4)/5)*Math.floor((e+4)/5)*16;case 37811:return Math.floor((t+5)/6)*Math.floor((e+4)/5)*16;case 37812:return Math.floor((t+5)/6)*Math.floor((e+5)/6)*16;case 37813:return Math.floor((t+7)/8)*Math.floor((e+4)/5)*16;case 37814:return Math.floor((t+7)/8)*Math.floor((e+5)/6)*16;case 37815:return Math.floor((t+7)/8)*Math.floor((e+7)/8)*16;case 37816:return Math.floor((t+9)/10)*Math.floor((e+4)/5)*16;case 37817:return Math.floor((t+9)/10)*Math.floor((e+5)/6)*16;case 37818:return Math.floor((t+9)/10)*Math.floor((e+7)/8)*16;case 37819:return Math.floor((t+9)/10)*Math.floor((e+9)/10)*16;case 37820:return Math.floor((t+11)/12)*Math.floor((e+9)/10)*16;case 37821:return Math.floor((t+11)/12)*Math.floor((e+11)/12)*16;case 36492:case 36494:case 36495:return Math.ceil(t/4)*Math.ceil(e/4)*16;case 36283:case 36284:return Math.ceil(t/4)*Math.ceil(e/4)*8;case 36285:case 36286:return Math.ceil(t/4)*Math.ceil(e/4)*16}throw new Error(`Unable to determine texture byte length for ${i} format.`)}class np{static contain(t,e){return function(t,e){const i=t.image&&t.image.width?t.image.width/t.image.height:1;return i>e?(t.repeat.x=1,t.repeat.y=i/e,t.offset.x=0,t.offset.y=(1-t.repeat.y)/2):(t.repeat.x=e/i,t.repeat.y=1,t.offset.x=(1-t.repeat.x)/2,t.offset.y=0),t}(t,e)}static cover(t,e){return function(t,e){const i=t.image&&t.image.width?t.image.width/t.image.height:1;return i>e?(t.repeat.x=e/i,t.repeat.y=1,t.offset.x=(1-t.repeat.x)/2,t.offset.y=0):(t.repeat.x=1,t.repeat.y=i/e,t.offset.x=0,t.offset.y=(1-t.repeat.y)/2),t}(t,e)}static fill(t){return function(t){return t.repeat.x=1,t.repeat.y=1,t.offset.x=0,t.offset.y=0,t}(t)}static getByteLength(t,e,i,s){return rp(t,e,i,s)}}"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{detail:{revision:t}})),"undefined"!=typeof window&&(window.__THREE__?as("WARNING: Multiple instances of Three.js being imported."):window.__THREE__=t);export{it as ACESFilmicToneMapping,w as AddEquation,$ as AddOperation,Je as AdditiveAnimationBlendMode,g as AdditiveBlending,rt as AgXToneMapping,jt as AlphaFormat,Bi as AlwaysCompare,W as AlwaysDepth,Si as AlwaysStencilFunc,ru as AmbientLight,$u as AnimationAction,wc as AnimationClip,kc as AnimationLoader,Ku as AnimationMixer,Gu as AnimationObjectGroup,oc as AnimationUtils,zh as ArcCurve,zu as ArrayCamera,tp as ArrowHelper,at as AttachedBindMode,Nu as Audio,Du as AudioAnalyser,bu as AudioContext,Ru as AudioListener,vu as AudioLoader,ep as AxesHelper,d as BackSide,He as BasicDepthPacking,o as BasicShadowMap,Ro as BatchedMesh,dc as BezierInterpolant,Ja as Bone,mc as BooleanKeyframeTrack,gd as Box2,Gr as Box3,Zd as Box3Helper,ph as BoxGeometry,Hd as BoxHelper,vn as BufferAttribute,Dn as BufferGeometry,uu as BufferGeometryLoader,Ct as ByteType,Sc as Cache,Xc as Camera,qd as CameraHelper,lh as CanvasTexture,mh as CapsuleGeometry,Ph as CatmullRomCurve3,et as CineonToneMapping,yh as CircleGeometry,yt as ClampToEdgeWrapping,Cu as Clock,Br as Color,yc as ColorKeyframeTrack,Os as ColorManagement,Hi as Compatibility,ah as CompressedArrayTexture,oh as CompressedCubeTexture,nh as CompressedTexture,Bc as CompressedTextureLoader,fh as ConeGeometry,L as ConstantAlphaFactor,E as ConstantColorFactor,sp as Controls,Tu as CubeCamera,uh as CubeDepthTexture,lt as CubeReflectionMapping,ct as CubeRefractionMapping,hh as CubeTexture,Rc as CubeTextureLoader,pt as CubeUVReflectionMapping,Eh as CubicBezierCurve,Fh as CubicBezierCurve3,lc as CubicInterpolant,r as CullFaceBack,n as CullFaceFront,a as CullFaceFrontBack,s as CullFaceNone,Ah as Curve,qh as CurvePath,b as CustomBlending,st as CustomToneMapping,gh as CylinderGeometry,pd as Cylindrical,Hs as Data3DTexture,Xs as DataArrayTexture,qa as DataTexture,Nc as DataTextureLoader,gn as DataUtils,di as DecrementStencilOp,mi as DecrementWrapStencilOp,Ac as DefaultLoadingManager,Ut as DepthFormat,Jt as DepthStencilFormat,ch as DepthTexture,ot as DetachedBindMode,su as DirectionalLight,Wd as DirectionalLightHelper,uc as DiscreteInterpolant,bh as DodecahedronGeometry,p as DoubleSide,O as DstAlphaFactor,R as DstColorFactor,Li as DynamicCopyUsage,Pi as DynamicDrawUsage,Vi as DynamicReadUsage,_h as EdgesGeometry,Th as EllipseCurve,Ti as EqualCompare,q as EqualDepth,xi as EqualStencilFunc,ut as EquirectangularReflectionMapping,dt as EquirectangularRefractionMapping,ar as Euler,cs as EventDispatcher,dh as ExternalTexture,_l as ExtrudeGeometry,Ic as FileLoader,Cn as Float16BufferAttribute,In as Float32BufferAttribute,Pt as FloatType,Rr as Fog,Pr as FogExp2,rh as FramebufferTexture,u as FrontSide,uo as Frustum,yo as FrustumArray,nd as GLBufferAttribute,Di as GLSL1,Wi as GLSL3,Ci as GreaterCompare,Y as GreaterDepth,ki as GreaterEqualCompare,X as GreaterEqualDepth,Mi as GreaterEqualStencilFunc,vi as GreaterStencilFunc,Ed as GridHelper,_r as Group,Rt as HalfFloatType,Fc as HemisphereLight,Vd as HemisphereLightHelper,Tl as IcosahedronGeometry,fu as ImageBitmapLoader,Pc as ImageLoader,Vs as ImageUtils,ui as IncrementStencilOp,pi as IncrementWrapStencilOp,Za as InstancedBufferAttribute,cu as InstancedBufferGeometry,rd as InstancedInterleavedBuffer,so as InstancedMesh,_n as Int16BufferAttribute,Tn as Int32BufferAttribute,wn as Int8BufferAttribute,Bt as IntType,Wn as InterleavedBuffer,Jn as InterleavedBufferAttribute,hc as Interpolant,Le as InterpolateBezier,Ve as InterpolateDiscrete,Ee as InterpolateLinear,Fe as InterpolateSmooth,Yi as InterpolationSamplingMode,Xi as InterpolationSamplingType,yi as InvertStencilOp,li as KeepStencilOp,pc as KeyframeTrack,ua as LOD,zl as LatheGeometry,or as Layers,Ai as LessCompare,U as LessDepth,zi as LessEqualCompare,J as LessEqualDepth,bi as LessEqualStencilFunc,fi as LessStencilFunc,Ec as Light,ou as LightProbe,Uo as Line,_d as Line3,No as LineBasicMaterial,Lh as LineCurve,jh as LineCurve3,ic as LineDashedMaterial,Ho as LineLoop,Yo as LineSegments,Mt as LinearFilter,cc as LinearInterpolant,Tt as LinearMipMapLinearFilter,_t as LinearMipMapNearestFilter,At as LinearMipmapLinearFilter,St as LinearMipmapNearestFilter,ii as LinearSRGBColorSpace,K as LinearToneMapping,si as LinearTransfer,Tc as Loader,lu as LoaderUtils,_c as LoadingManager,Pe as LoopOnce,Ne as LoopPingPong,Re as LoopRepeat,e as MOUSE,Yn as Material,v as MaterialBlending,hu as MaterialLoader,ws as MathUtils,md as Matrix2,zs as Matrix3,Gs as Matrix4,A as MaxEquation,Oa as Mesh,va as MeshBasicMaterial,Kl as MeshDepthMaterial,tc as MeshDistanceMaterial,Ql as MeshLambertMaterial,ec as MeshMatcapMaterial,$l as MeshNormalMaterial,Zl as MeshPhongMaterial,Hl as MeshPhysicalMaterial,Yl as MeshStandardMaterial,Gl as MeshToonMaterial,_ as MinEquation,gt as MirroredRepeatWrapping,G as MixOperation,x as MultiplyBlending,Z as MultiplyOperation,ft as NearestFilter,wt as NearestMipMapLinearFilter,bt as NearestMipMapNearestFilter,vt as NearestMipmapLinearFilter,xt as NearestMipmapNearestFilter,nt as NeutralToneMapping,_i as NeverCompare,D as NeverDepth,gi as NeverStencilFunc,m as NoBlending,ti as NoColorSpace,ni as NoNormalPacking,Q as NoToneMapping,Ue as NormalAnimationBlendMode,y as NormalBlending,oi as NormalGAPacking,ai as NormalRGPacking,Ii as NotEqualCompare,H as NotEqualDepth,wi as NotEqualStencilFunc,gc as NumberKeyframeTrack,Sr as Object3D,du as ObjectLoader,Ke as ObjectSpaceNormalMap,Cl as OctahedronGeometry,z as OneFactor,j as OneMinusConstantAlphaFactor,F as OneMinusConstantColorFactor,P as OneMinusDstAlphaFactor,N as OneMinusDstColorFactor,B as OneMinusSrcAlphaFactor,I as OneMinusSrcColorFactor,eu as OrthographicCamera,h as PCFShadowMap,l as PCFSoftShadowMap,Xh as Path,Gc as PerspectiveCamera,oo as Plane,Il as PlaneGeometry,Gd as PlaneHelper,tu as PointLight,Od as PointLightHelper,th as Points,Zo as PointsMaterial,Fd as PolarGridHelper,xh as PolyhedronGeometry,ju as PositionalAudio,Zu as PropertyBinding,Wu as PropertyMixer,Dh as QuadraticBezierCurve,Wh as QuadraticBezierCurve3,Ss as Quaternion,xc as QuaternionKeyframeTrack,fc as QuaternionLinearInterpolant,he as R11_EAC_Format,ms as RAD2DEG,Be as RED_GREEN_RGTC2_Format,Ie as RED_RGTC1_Format,t as REVISION,ce as RG11_EAC_Format,Ze as RGBADepthPacking,Wt as RGBAFormat,Gt as RGBAIntegerFormat,Se as RGBA_ASTC_10x10_Format,ve as RGBA_ASTC_10x5_Format,we as RGBA_ASTC_10x6_Format,Me as RGBA_ASTC_10x8_Format,_e as RGBA_ASTC_12x10_Format,Ae as RGBA_ASTC_12x12_Format,de as RGBA_ASTC_4x4_Format,pe as RGBA_ASTC_5x4_Format,me as RGBA_ASTC_5x5_Format,ye as RGBA_ASTC_6x5_Format,ge as RGBA_ASTC_6x6_Format,fe as RGBA_ASTC_8x5_Format,xe as RGBA_ASTC_8x6_Format,be as RGBA_ASTC_8x8_Format,Te as RGBA_BPTC_Format,oe as RGBA_ETC2_EAC_Format,re as RGBA_PVRTC_2BPPV1_Format,se as RGBA_PVRTC_4BPPV1_Format,Qt as RGBA_S3TC_DXT1_Format,Kt as RGBA_S3TC_DXT3_Format,te as RGBA_S3TC_DXT5_Format,Ge as RGBDepthPacking,Dt as RGBFormat,Zt as RGBIntegerFormat,ze as RGB_BPTC_SIGNED_Format,Ce as RGB_BPTC_UNSIGNED_Format,ne as RGB_ETC1_Format,ae as RGB_ETC2_Format,ie as RGB_PVRTC_2BPPV1_Format,ee as RGB_PVRTC_4BPPV1_Format,$t as RGB_S3TC_DXT1_Format,$e as RGDepthPacking,Yt as RGFormat,Ht as RGIntegerFormat,Xl as RawShaderMaterial,ba as Ray,od as Raycaster,nu as RectAreaLight,qt as RedFormat,Xt as RedIntegerFormat,tt as ReinhardToneMapping,Js as RenderTarget,td as RenderTarget3D,mt as RepeatWrapping,ci as ReplaceStencilOp,S as ReverseSubtractEquation,kl as RingGeometry,le as SIGNED_R11_EAC_Format,Oe as SIGNED_RED_GREEN_RGTC2_Format,ke as SIGNED_RED_RGTC1_Format,ue as SIGNED_RG11_EAC_Format,ei as SRGBColorSpace,ri as SRGBTransfer,Nr as Scene,ql as ShaderMaterial,jl as ShadowMaterial,Yh as Shape,Bl as ShapeGeometry,ip as ShapePath,wl as ShapeUtils,It as ShortType,Ha as Skeleton,kd as SkeletonHelper,Ua as SkinnedMesh,Fs as Source,Pn as Sphere,Ol as SphereGeometry,dd as Spherical,au as SphericalHarmonics3,Uh as SplineCurve,Qc as SpotLight,Td as SpotLightHelper,oa as Sprite,Hn as SpriteMaterial,k as SrcAlphaFactor,V as SrcAlphaSaturateFactor,C as SrcColorFactor,Fi as StaticCopyUsage,Oi as StaticDrawUsage,Ni as StaticReadUsage,_u as StereoCamera,ji as StreamCopyUsage,Ri as StreamDrawUsage,Ei as StreamReadUsage,bc as StringKeyframeTrack,M as SubtractEquation,f as SubtractiveBlending,i as TOUCH,Qe as TangentSpaceNormalMap,Pl as TetrahedronGeometry,Ws as Texture,Vc as TextureLoader,np as TextureUtils,cd as Timer,qi as TimestampQuery,Rl as TorusGeometry,Nl as TorusKnotGeometry,Zr as Triangle,Ye as TriangleFanDrawMode,Xe as TriangleStripDrawMode,qe as TrianglesDrawMode,Vl as TubeGeometry,ht as UVMapping,An as Uint16BufferAttribute,zn as Uint32BufferAttribute,Mn as Uint8BufferAttribute,Sn as Uint8ClampedBufferAttribute,ed as Uniform,sd as UniformsGroup,Jl as UniformsUtils,zt as UnsignedByteType,Lt as UnsignedInt101111Type,Et as UnsignedInt248Type,Ft as UnsignedInt5999Type,Ot as UnsignedIntType,Nt as UnsignedShort4444Type,Vt as UnsignedShort5551Type,kt as UnsignedShortType,c as VSMShadowMap,Ms as Vector2,_s 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multiplyQuaternionsFlat(t,e,i,s,r,n){const a=i[s],o=i[s+1],h=i[s+2],l=i[s+3],c=r[n],u=r[n+1],d=r[n+2],p=r[n+3];return t[e]=a*p+l*c+o*d-h*u,t[e+1]=o*p+l*u+h*c-a*d,t[e+2]=h*p+l*d+a*u-o*c,t[e+3]=l*p-a*c-o*u-h*d,t}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get w(){return this._w}set w(t){this._w=t,this._onChangeCallback()}set(t,e,i,s){return this._x=t,this._y=e,this._z=i,this._w=s,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this}setFromEuler(t,e=!0){const i=t._x,s=t._y,r=t._z,n=t._order,a=Math.cos,o=Math.sin,h=a(i/2),l=a(s/2),c=a(r/2),u=o(i/2),d=o(s/2),p=o(r/2);switch(n){case"XYZ":this._x=u*l*c+h*d*p,this._y=h*d*c-u*l*p,this._z=h*l*p+u*d*c,this._w=h*l*c-u*d*p;break;case"YXZ":this._x=u*l*c+h*d*p,this._y=h*d*c-u*l*p,this._z=h*l*p-u*d*c,this._w=h*l*c+u*d*p;break;case"ZXY":this._x=u*l*c-h*d*p,this._y=h*d*c+u*l*p,this._z=h*l*p+u*d*c,this._w=h*l*c-u*d*p;break;case"ZYX":this._x=u*l*c-h*d*p,this._y=h*d*c+u*l*p,this._z=h*l*p-u*d*c,this._w=h*l*c+u*d*p;break;case"YZX":this._x=u*l*c+h*d*p,this._y=h*d*c+u*l*p,this._z=h*l*p-u*d*c,this._w=h*l*c-u*d*p;break;case"XZY":this._x=u*l*c-h*d*p,this._y=h*d*c-u*l*p,this._z=h*l*p+u*d*c,this._w=h*l*c+u*d*p;break;default:as("Quaternion: .setFromEuler() encountered an unknown order: "+n)}return!0===e&&this._onChangeCallback(),this}setFromAxisAngle(t,e){const i=e/2,s=Math.sin(i);return this._x=t.x*s,this._y=t.y*s,this._z=t.z*s,this._w=Math.cos(i),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,i=e[0],s=e[4],r=e[8],n=e[1],a=e[5],o=e[9],h=e[2],l=e[6],c=e[10],u=i+a+c;if(u>0){const t=.5/Math.sqrt(u+1);this._w=.25/t,this._x=(l-o)*t,this._y=(r-h)*t,this._z=(n-s)*t}else if(i>a&&i>c){const t=2*Math.sqrt(1+i-a-c);this._w=(l-o)/t,this._x=.25*t,this._y=(s+n)/t,this._z=(r+h)/t}else if(a>c){const t=2*Math.sqrt(1+a-i-c);this._w=(r-h)/t,this._x=(s+n)/t,this._y=.25*t,this._z=(o+l)/t}else{const t=2*Math.sqrt(1+c-i-a);this._w=(n-s)/t,this._x=(r+h)/t,this._y=(o+l)/t,this._z=.25*t}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let i=t.dot(e)+1;return i<1e-8?(i=0,Math.abs(t.x)>Math.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=i):(this._x=0,this._y=-t.z,this._z=t.y,this._w=i)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=i),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(fs(this.dot(t),-1,1)))}rotateTowards(t,e){const i=this.angleTo(t);if(0===i)return this;const s=Math.min(1,e/i);return this.slerp(t,s),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this}multiply(t){return this.multiplyQuaternions(this,t)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const i=t._x,s=t._y,r=t._z,n=t._w,a=e._x,o=e._y,h=e._z,l=e._w;return this._x=i*l+n*a+s*h-r*o,this._y=s*l+n*o+r*a-i*h,this._z=r*l+n*h+i*o-s*a,this._w=n*l-i*a-s*o-r*h,this._onChangeCallback(),this}slerp(t,e){let i=t._x,s=t._y,r=t._z,n=t._w,a=this.dot(t);a<0&&(i=-i,s=-s,r=-r,n=-n,a=-a);let o=1-e;if(a<.9995){const t=Math.acos(a),h=Math.sin(t);o=Math.sin(o*t)/h,e=Math.sin(e*t)/h,this._x=this._x*o+i*e,this._y=this._y*o+s*e,this._z=this._z*o+r*e,this._w=this._w*o+n*e,this._onChangeCallback()}else this._x=this._x*o+i*e,this._y=this._y*o+s*e,this._z=this._z*o+r*e,this._w=this._w*o+n*e,this.normalize();return this}slerpQuaternions(t,e,i){return this.copy(t).slerp(e,i)}random(){const t=2*Math.PI*Math.random(),e=2*Math.PI*Math.random(),i=Math.random(),s=Math.sqrt(1-i),r=Math.sqrt(i);return this.set(s*Math.sin(t),s*Math.cos(t),r*Math.sin(e),r*Math.cos(e))}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w}fromArray(t,e=0){return this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t}fromBufferAttribute(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class As{constructor(t=0,e=0,i=0){As.prototype.isVector3=!0,this.x=t,this.y=e,this.z=i}set(t,e,i){return void 0===i&&(i=this.z),this.x=t,this.y=e,this.z=i,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this}multiplyVectors(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this}applyEuler(t){return this.applyQuaternion(zs.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(zs.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,i=this.y,s=this.z,r=t.elements;return this.x=r[0]*e+r[3]*i+r[6]*s,this.y=r[1]*e+r[4]*i+r[7]*s,this.z=r[2]*e+r[5]*i+r[8]*s,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,i=this.y,s=this.z,r=t.elements,n=1/(r[3]*e+r[7]*i+r[11]*s+r[15]);return this.x=(r[0]*e+r[4]*i+r[8]*s+r[12])*n,this.y=(r[1]*e+r[5]*i+r[9]*s+r[13])*n,this.z=(r[2]*e+r[6]*i+r[10]*s+r[14])*n,this}applyQuaternion(t){const e=this.x,i=this.y,s=this.z,r=t.x,n=t.y,a=t.z,o=t.w,h=2*(n*s-a*i),l=2*(a*e-r*s),c=2*(r*i-n*e);return this.x=e+o*h+n*c-a*l,this.y=i+o*l+a*h-r*c,this.z=s+o*c+r*l-n*h,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,i=this.y,s=this.z,r=t.elements;return this.x=r[0]*e+r[4]*i+r[8]*s,this.y=r[1]*e+r[5]*i+r[9]*s,this.z=r[2]*e+r[6]*i+r[10]*s,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this}clamp(t,e){return this.x=fs(this.x,t.x,e.x),this.y=fs(this.y,t.y,e.y),this.z=fs(this.z,t.z,e.z),this}clampScalar(t,e){return this.x=fs(this.x,t,e),this.y=fs(this.y,t,e),this.z=fs(this.z,t,e),this}clampLength(t,e){const i=this.length();return this.divideScalar(i||1).multiplyScalar(fs(i,t,e))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,i){return this.x=t.x+(e.x-t.x)*i,this.y=t.y+(e.y-t.y)*i,this.z=t.z+(e.z-t.z)*i,this}cross(t){return this.crossVectors(this,t)}crossVectors(t,e){const i=t.x,s=t.y,r=t.z,n=e.x,a=e.y,o=e.z;return this.x=s*o-r*a,this.y=r*n-i*o,this.z=i*a-s*n,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const i=t.dot(this)/e;return this.copy(t).multiplyScalar(i)}projectOnPlane(t){return Ts.copy(this).projectOnVector(t),this.sub(Ts)}reflect(t){return this.sub(Ts.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const i=this.dot(t)/e;return Math.acos(fs(i,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,i=this.y-t.y,s=this.z-t.z;return e*e+i*i+s*s}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,i){const s=Math.sin(e)*t;return this.x=s*Math.sin(i),this.y=Math.cos(e)*t,this.z=s*Math.cos(i),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,i){return this.x=t*Math.sin(e),this.y=i,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),i=this.setFromMatrixColumn(t,1).length(),s=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=i,this.z=s,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,4*e)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,3*e)}setFromEuler(t){return this.x=t._x,this.y=t._y,this.z=t._z,this}setFromColor(t){return this.x=t.r,this.y=t.g,this.z=t.b,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=Math.random()*Math.PI*2,e=2*Math.random()-1,i=Math.sqrt(1-e*e);return this.x=i*Math.cos(t),this.y=e,this.z=i*Math.sin(t),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const Ts=new As,zs=new _s;class Cs{constructor(t,e,i,s,r,n,a,o,h){Cs.prototype.isMatrix3=!0,this.elements=[1,0,0,0,1,0,0,0,1],void 0!==t&&this.set(t,e,i,s,r,n,a,o,h)}set(t,e,i,s,r,n,a,o,h){const l=this.elements;return l[0]=t,l[1]=s,l[2]=a,l[3]=e,l[4]=r,l[5]=o,l[6]=i,l[7]=n,l[8]=h,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(t){const e=this.elements,i=t.elements;return e[0]=i[0],e[1]=i[1],e[2]=i[2],e[3]=i[3],e[4]=i[4],e[5]=i[5],e[6]=i[6],e[7]=i[7],e[8]=i[8],this}extractBasis(t,e,i){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),i.setFromMatrix3Column(this,2),this}setFromMatrix4(t){const e=t.elements;return this.set(e[0],e[4],e[8],e[1],e[5],e[9],e[2],e[6],e[10]),this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const i=t.elements,s=e.elements,r=this.elements,n=i[0],a=i[3],o=i[6],h=i[1],l=i[4],c=i[7],u=i[2],d=i[5],p=i[8],m=s[0],y=s[3],g=s[6],f=s[1],x=s[4],b=s[7],v=s[2],w=s[5],M=s[8];return r[0]=n*m+a*f+o*v,r[3]=n*y+a*x+o*w,r[6]=n*g+a*b+o*M,r[1]=h*m+l*f+c*v,r[4]=h*y+l*x+c*w,r[7]=h*g+l*b+c*M,r[2]=u*m+d*f+p*v,r[5]=u*y+d*x+p*w,r[8]=u*g+d*b+p*M,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[3]*=t,e[6]*=t,e[1]*=t,e[4]*=t,e[7]*=t,e[2]*=t,e[5]*=t,e[8]*=t,this}determinant(){const t=this.elements,e=t[0],i=t[1],s=t[2],r=t[3],n=t[4],a=t[5],o=t[6],h=t[7],l=t[8];return e*n*l-e*a*h-i*r*l+i*a*o+s*r*h-s*n*o}invert(){const t=this.elements,e=t[0],i=t[1],s=t[2],r=t[3],n=t[4],a=t[5],o=t[6],h=t[7],l=t[8],c=l*n-a*h,u=a*o-l*r,d=h*r-n*o,p=e*c+i*u+s*d;if(0===p)return this.set(0,0,0,0,0,0,0,0,0);const m=1/p;return t[0]=c*m,t[1]=(s*h-l*i)*m,t[2]=(a*i-s*n)*m,t[3]=u*m,t[4]=(l*e-s*o)*m,t[5]=(s*r-a*e)*m,t[6]=d*m,t[7]=(i*o-h*e)*m,t[8]=(n*e-i*r)*m,this}transpose(){let t;const e=this.elements;return t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this}getNormalMatrix(t){return this.setFromMatrix4(t).invert().transpose()}transposeIntoArray(t){const e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this}setUvTransform(t,e,i,s,r,n,a){const o=Math.cos(r),h=Math.sin(r);return this.set(i*o,i*h,-i*(o*n+h*a)+n+t,-s*h,s*o,-s*(-h*n+o*a)+a+e,0,0,1),this}scale(t,e){return this.premultiply(Is.makeScale(t,e)),this}rotate(t){return this.premultiply(Is.makeRotation(-t)),this}translate(t,e){return this.premultiply(Is.makeTranslation(t,e)),this}makeTranslation(t,e){return t.isVector2?this.set(1,0,t.x,0,1,t.y,0,0,1):this.set(1,0,t,0,1,e,0,0,1),this}makeRotation(t){const e=Math.cos(t),i=Math.sin(t);return this.set(e,-i,0,i,e,0,0,0,1),this}makeScale(t,e){return this.set(t,0,0,0,e,0,0,0,1),this}equals(t){const e=this.elements,i=t.elements;for(let t=0;t<9;t++)if(e[t]!==i[t])return!1;return!0}fromArray(t,e=0){for(let i=0;i<9;i++)this.elements[i]=t[i+e];return this}toArray(t=[],e=0){const i=this.elements;return t[e]=i[0],t[e+1]=i[1],t[e+2]=i[2],t[e+3]=i[3],t[e+4]=i[4],t[e+5]=i[5],t[e+6]=i[6],t[e+7]=i[7],t[e+8]=i[8],t}clone(){return(new this.constructor).fromArray(this.elements)}}const Is=new Cs,ks=(new Cs).set(.4123908,.3575843,.1804808,.212639,.7151687,.0721923,.0193308,.1191948,.9505322),Bs=(new Cs).set(3.2409699,-1.5373832,-.4986108,-.9692436,1.8759675,.0415551,.0556301,-.203977,1.0569715);function Os(){const t={enabled:!0,workingColorSpace:ii,spaces:{},convert:function(t,e,i){return!1!==this.enabled&&e!==i&&e&&i?(this.spaces[e].transfer===ri&&(t.r=Rs(t.r),t.g=Rs(t.g),t.b=Rs(t.b)),this.spaces[e].primaries!==this.spaces[i].primaries&&(t.applyMatrix3(this.spaces[e].toXYZ),t.applyMatrix3(this.spaces[i].fromXYZ)),this.spaces[i].transfer===ri&&(t.r=Ns(t.r),t.g=Ns(t.g),t.b=Ns(t.b)),t):t},workingToColorSpace:function(t,e){return this.convert(t,this.workingColorSpace,e)},colorSpaceToWorking:function(t,e){return this.convert(t,e,this.workingColorSpace)},getPrimaries:function(t){return this.spaces[t].primaries},getTransfer:function(t){return""===t?si:this.spaces[t].transfer},getToneMappingMode:function(t){return this.spaces[t].outputColorSpaceConfig.toneMappingMode||"standard"},getLuminanceCoefficients:function(t,e=this.workingColorSpace){return t.fromArray(this.spaces[e].luminanceCoefficients)},define:function(t){Object.assign(this.spaces,t)},_getMatrix:function(t,e,i){return t.copy(this.spaces[e].toXYZ).multiply(this.spaces[i].fromXYZ)},_getDrawingBufferColorSpace:function(t){return this.spaces[t].outputColorSpaceConfig.drawingBufferColorSpace},_getUnpackColorSpace:function(t=this.workingColorSpace){return this.spaces[t].workingColorSpaceConfig.unpackColorSpace},fromWorkingColorSpace:function(e,i){return hs("ColorManagement: .fromWorkingColorSpace() has been renamed to .workingToColorSpace()."),t.workingToColorSpace(e,i)},toWorkingColorSpace:function(e,i){return hs("ColorManagement: .toWorkingColorSpace() has been renamed to .colorSpaceToWorking()."),t.colorSpaceToWorking(e,i)}},e=[.64,.33,.3,.6,.15,.06],i=[.2126,.7152,.0722],s=[.3127,.329];return t.define({[ii]:{primaries:e,whitePoint:s,transfer:si,toXYZ:ks,fromXYZ:Bs,luminanceCoefficients:i,workingColorSpaceConfig:{unpackColorSpace:ei},outputColorSpaceConfig:{drawingBufferColorSpace:ei}},[ei]:{primaries:e,whitePoint:s,transfer:ri,toXYZ:ks,fromXYZ:Bs,luminanceCoefficients:i,outputColorSpaceConfig:{drawingBufferColorSpace:ei}}}),t}const Ps=Os();function Rs(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function Ns(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}let Vs;class Es{static getDataURL(t,e="image/png"){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;let i;if(t instanceof HTMLCanvasElement)i=t;else{void 0===Vs&&(Vs=Qi("canvas")),Vs.width=t.width,Vs.height=t.height;const e=Vs.getContext("2d");t instanceof ImageData?e.putImageData(t,0,0):e.drawImage(t,0,0,t.width,t.height),i=Vs}return i.toDataURL(e)}static sRGBToLinear(t){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const e=Qi("canvas");e.width=t.width,e.height=t.height;const i=e.getContext("2d");i.drawImage(t,0,0,t.width,t.height);const s=i.getImageData(0,0,t.width,t.height),r=s.data;for(let t=0;t<r.length;t++)r[t]=255*Rs(r[t]/255);return i.putImageData(s,0,0),e}if(t.data){const e=t.data.slice(0);for(let t=0;t<e.length;t++)e instanceof Uint8Array||e instanceof Uint8ClampedArray?e[t]=Math.floor(255*Rs(e[t]/255)):e[t]=Rs(e[t]);return{data:e,width:t.width,height:t.height}}return as("ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),t}}let Fs=0;class Ls{constructor(t=null){this.isSource=!0,Object.defineProperty(this,"id",{value:Fs++}),this.uuid=gs(),this.data=t,this.dataReady=!0,this.version=0}getSize(t){const e=this.data;return"undefined"!=typeof HTMLVideoElement&&e instanceof HTMLVideoElement?t.set(e.videoWidth,e.videoHeight,0):"undefined"!=typeof VideoFrame&&e instanceof VideoFrame?t.set(e.displayHeight,e.displayWidth,0):null!==e?t.set(e.width,e.height,e.depth||0):t.set(0,0,0),t}set needsUpdate(t){!0===t&&this.version++}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.images[this.uuid])return t.images[this.uuid];const i={uuid:this.uuid,url:""},s=this.data;if(null!==s){let t;if(Array.isArray(s)){t=[];for(let e=0,i=s.length;e<i;e++)s[e].isDataTexture?t.push(js(s[e].image)):t.push(js(s[e]))}else t=js(s);i.url=t}return e||(t.images[this.uuid]=i),i}}function js(t){return"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap?Es.getDataURL(t):t.data?{data:Array.from(t.data),width:t.width,height:t.height,type:t.data.constructor.name}:(as("Texture: Unable to serialize Texture."),{})}let Ds=0;const Ws=new As;class Us extends us{constructor(t=Us.DEFAULT_IMAGE,e=Us.DEFAULT_MAPPING,i=1001,s=1001,r=1006,n=1008,a=1023,o=1009,h=Us.DEFAULT_ANISOTROPY,l=""){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:Ds++}),this.uuid=gs(),this.name="",this.source=new Ls(t),this.mipmaps=[],this.mapping=e,this.channel=0,this.wrapS=i,this.wrapT=s,this.magFilter=r,this.minFilter=n,this.anisotropy=h,this.format=a,this.internalFormat=null,this.type=o,this.offset=new Ss(0,0),this.repeat=new Ss(1,1),this.center=new Ss(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new Cs,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.colorSpace=l,this.userData={},this.updateRanges=[],this.version=0,this.onUpdate=null,this.renderTarget=null,this.isRenderTargetTexture=!1,this.isArrayTexture=!!(t&&t.depth&&t.depth>1),this.pmremVersion=0}get width(){return this.source.getSize(Ws).x}get height(){return this.source.getSize(Ws).y}get depth(){return this.source.getSize(Ws).z}get image(){return this.source.data}set image(t=null){this.source.data=t}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}clone(){return(new this.constructor).copy(this)}copy(t){return this.name=t.name,this.source=t.source,this.mipmaps=t.mipmaps.slice(0),this.mapping=t.mapping,this.channel=t.channel,this.wrapS=t.wrapS,this.wrapT=t.wrapT,this.magFilter=t.magFilter,this.minFilter=t.minFilter,this.anisotropy=t.anisotropy,this.format=t.format,this.internalFormat=t.internalFormat,this.type=t.type,this.offset.copy(t.offset),this.repeat.copy(t.repeat),this.center.copy(t.center),this.rotation=t.rotation,this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrix.copy(t.matrix),this.generateMipmaps=t.generateMipmaps,this.premultiplyAlpha=t.premultiplyAlpha,this.flipY=t.flipY,this.unpackAlignment=t.unpackAlignment,this.colorSpace=t.colorSpace,this.renderTarget=t.renderTarget,this.isRenderTargetTexture=t.isRenderTargetTexture,this.isArrayTexture=t.isArrayTexture,this.userData=JSON.parse(JSON.stringify(t.userData)),this.needsUpdate=!0,this}setValues(t){for(const e in t){const i=t[e];if(void 0===i){as(`Texture.setValues(): parameter '${e}' has value of undefined.`);continue}const s=this[e];void 0!==s?s&&i&&s.isVector2&&i.isVector2||s&&i&&s.isVector3&&i.isVector3||s&&i&&s.isMatrix3&&i.isMatrix3?s.copy(i):this[e]=i:as(`Texture.setValues(): property '${e}' does not exist.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.textures[this.uuid])return t.textures[this.uuid];const i={metadata:{version:4.7,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(t).uuid,mapping:this.mapping,channel:this.channel,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,internalFormat:this.internalFormat,type:this.type,colorSpace:this.colorSpace,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,generateMipmaps:this.generateMipmaps,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return Object.keys(this.userData).length>0&&(i.userData=this.userData),e||(t.textures[this.uuid]=i),i}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(this.mapping!==ht)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case mt:t.x=t.x-Math.floor(t.x);break;case yt:t.x=t.x<0?0:1;break;case gt:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case mt:t.y=t.y-Math.floor(t.y);break;case yt:t.y=t.y<0?0:1;break;case gt:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){!0===t&&(this.version++,this.source.needsUpdate=!0)}set needsPMREMUpdate(t){!0===t&&this.pmremVersion++}}Us.DEFAULT_IMAGE=null,Us.DEFAULT_MAPPING=ht,Us.DEFAULT_ANISOTROPY=1;class Js{constructor(t=0,e=0,i=0,s=1){Js.prototype.isVector4=!0,this.x=t,this.y=e,this.z=i,this.w=s}get width(){return this.z}set width(t){this.z=t}get height(){return this.w}set height(t){this.w=t}set(t,e,i,s){return this.x=t,this.y=e,this.z=i,this.w=s,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this.w=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setW(t){return this.w=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,i=this.y,s=this.z,r=this.w,n=t.elements;return this.x=n[0]*e+n[4]*i+n[8]*s+n[12]*r,this.y=n[1]*e+n[5]*i+n[9]*s+n[13]*r,this.z=n[2]*e+n[6]*i+n[10]*s+n[14]*r,this.w=n[3]*e+n[7]*i+n[11]*s+n[15]*r,this}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this.w/=t.w,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,i,s,r;const n=.01,a=.1,o=t.elements,h=o[0],l=o[4],c=o[8],u=o[1],d=o[5],p=o[9],m=o[2],y=o[6],g=o[10];if(Math.abs(l-u)<n&&Math.abs(c-m)<n&&Math.abs(p-y)<n){if(Math.abs(l+u)<a&&Math.abs(c+m)<a&&Math.abs(p+y)<a&&Math.abs(h+d+g-3)<a)return this.set(1,0,0,0),this;e=Math.PI;const t=(h+1)/2,o=(d+1)/2,f=(g+1)/2,x=(l+u)/4,b=(c+m)/4,v=(p+y)/4;return t>o&&t>f?t<n?(i=0,s=.707106781,r=.707106781):(i=Math.sqrt(t),s=x/i,r=b/i):o>f?o<n?(i=.707106781,s=0,r=.707106781):(s=Math.sqrt(o),i=x/s,r=v/s):f<n?(i=.707106781,s=.707106781,r=0):(r=Math.sqrt(f),i=b/r,s=v/r),this.set(i,s,r,e),this}let f=Math.sqrt((y-p)*(y-p)+(c-m)*(c-m)+(u-l)*(u-l));return Math.abs(f)<.001&&(f=1),this.x=(y-p)/f,this.y=(c-m)/f,this.z=(u-l)/f,this.w=Math.acos((h+d+g-1)/2),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this.w=e[15],this}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this.w=Math.min(this.w,t.w),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this.w=Math.max(this.w,t.w),this}clamp(t,e){return this.x=fs(this.x,t.x,e.x),this.y=fs(this.y,t.y,e.y),this.z=fs(this.z,t.z,e.z),this.w=fs(this.w,t.w,e.w),this}clampScalar(t,e){return this.x=fs(this.x,t,e),this.y=fs(this.y,t,e),this.z=fs(this.z,t,e),this.w=fs(this.w,t,e),this}clampLength(t,e){const i=this.length();return this.divideScalar(i||1).multiplyScalar(fs(i,t,e))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this.w=Math.trunc(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z+this.w*t.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this.w+=(t.w-this.w)*e,this}lerpVectors(t,e,i){return this.x=t.x+(e.x-t.x)*i,this.y=t.y+(e.y-t.y)*i,this.z=t.z+(e.z-t.z)*i,this.w=t.w+(e.w-t.w)*i,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z&&t.w===this.w}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this.w=t[e+3],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t[e+3]=this.w,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this.w=t.getW(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z,yield this.w}}class qs extends us{constructor(t=1,e=1,i={}){super(),i=Object.assign({generateMipmaps:!1,internalFormat:null,minFilter:Mt,depthBuffer:!0,stencilBuffer:!1,resolveDepthBuffer:!0,resolveStencilBuffer:!0,depthTexture:null,samples:0,count:1,depth:1,multiview:!1},i),this.isRenderTarget=!0,this.width=t,this.height=e,this.depth=i.depth,this.scissor=new Js(0,0,t,e),this.scissorTest=!1,this.viewport=new Js(0,0,t,e),this.textures=[];const s={width:t,height:e,depth:i.depth},r=new Us(s),n=i.count;for(let t=0;t<n;t++)this.textures[t]=r.clone(),this.textures[t].isRenderTargetTexture=!0,this.textures[t].renderTarget=this;this._setTextureOptions(i),this.depthBuffer=i.depthBuffer,this.stencilBuffer=i.stencilBuffer,this.resolveDepthBuffer=i.resolveDepthBuffer,this.resolveStencilBuffer=i.resolveStencilBuffer,this._depthTexture=null,this.depthTexture=i.depthTexture,this.samples=i.samples,this.multiview=i.multiview}_setTextureOptions(t={}){const e={minFilter:Mt,generateMipmaps:!1,flipY:!1,internalFormat:null};void 0!==t.mapping&&(e.mapping=t.mapping),void 0!==t.wrapS&&(e.wrapS=t.wrapS),void 0!==t.wrapT&&(e.wrapT=t.wrapT),void 0!==t.wrapR&&(e.wrapR=t.wrapR),void 0!==t.magFilter&&(e.magFilter=t.magFilter),void 0!==t.minFilter&&(e.minFilter=t.minFilter),void 0!==t.format&&(e.format=t.format),void 0!==t.type&&(e.type=t.type),void 0!==t.anisotropy&&(e.anisotropy=t.anisotropy),void 0!==t.colorSpace&&(e.colorSpace=t.colorSpace),void 0!==t.flipY&&(e.flipY=t.flipY),void 0!==t.generateMipmaps&&(e.generateMipmaps=t.generateMipmaps),void 0!==t.internalFormat&&(e.internalFormat=t.internalFormat);for(let t=0;t<this.textures.length;t++){this.textures[t].setValues(e)}}get texture(){return this.textures[0]}set texture(t){this.textures[0]=t}set depthTexture(t){null!==this._depthTexture&&(this._depthTexture.renderTarget=null),null!==t&&(t.renderTarget=this),this._depthTexture=t}get depthTexture(){return this._depthTexture}setSize(t,e,i=1){if(this.width!==t||this.height!==e||this.depth!==i){this.width=t,this.height=e,this.depth=i;for(let s=0,r=this.textures.length;s<r;s++)this.textures[s].image.width=t,this.textures[s].image.height=e,this.textures[s].image.depth=i,!0!==this.textures[s].isData3DTexture&&(this.textures[s].isArrayTexture=this.textures[s].image.depth>1);this.dispose()}this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e)}clone(){return(new this.constructor).copy(this)}copy(t){this.width=t.width,this.height=t.height,this.depth=t.depth,this.scissor.copy(t.scissor),this.scissorTest=t.scissorTest,this.viewport.copy(t.viewport),this.textures.length=0;for(let e=0,i=t.textures.length;e<i;e++){this.textures[e]=t.textures[e].clone(),this.textures[e].isRenderTargetTexture=!0,this.textures[e].renderTarget=this;const i=Object.assign({},t.textures[e].image);this.textures[e].source=new Ls(i)}return this.depthBuffer=t.depthBuffer,this.stencilBuffer=t.stencilBuffer,this.resolveDepthBuffer=t.resolveDepthBuffer,this.resolveStencilBuffer=t.resolveStencilBuffer,null!==t.depthTexture&&(this.depthTexture=t.depthTexture.clone()),this.samples=t.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}class Xs extends qs{constructor(t=1,e=1,i={}){super(t,e,i),this.isWebGLRenderTarget=!0}}class Ys extends Us{constructor(t=null,e=1,i=1,s=1){super(null),this.isDataArrayTexture=!0,this.image={data:t,width:e,height:i,depth:s},this.magFilter=ft,this.minFilter=ft,this.wrapR=yt,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.layerUpdates=new Set}addLayerUpdate(t){this.layerUpdates.add(t)}clearLayerUpdates(){this.layerUpdates.clear()}}class Hs extends Xs{constructor(t=1,e=1,i=1,s={}){super(t,e,s),this.isWebGLArrayRenderTarget=!0,this.depth=i,this.texture=new Ys(null,t,e,i),this._setTextureOptions(s),this.texture.isRenderTargetTexture=!0}}class Zs extends Us{constructor(t=null,e=1,i=1,s=1){super(null),this.isData3DTexture=!0,this.image={data:t,width:e,height:i,depth:s},this.magFilter=ft,this.minFilter=ft,this.wrapR=yt,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class Gs extends Xs{constructor(t=1,e=1,i=1,s={}){super(t,e,s),this.isWebGL3DRenderTarget=!0,this.depth=i,this.texture=new Zs(null,t,e,i),this._setTextureOptions(s),this.texture.isRenderTargetTexture=!0}}class $s{constructor(t,e,i,s,r,n,a,o,h,l,c,u,d,p,m,y){$s.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],void 0!==t&&this.set(t,e,i,s,r,n,a,o,h,l,c,u,d,p,m,y)}set(t,e,i,s,r,n,a,o,h,l,c,u,d,p,m,y){const g=this.elements;return g[0]=t,g[4]=e,g[8]=i,g[12]=s,g[1]=r,g[5]=n,g[9]=a,g[13]=o,g[2]=h,g[6]=l,g[10]=c,g[14]=u,g[3]=d,g[7]=p,g[11]=m,g[15]=y,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return(new $s).fromArray(this.elements)}copy(t){const e=this.elements,i=t.elements;return e[0]=i[0],e[1]=i[1],e[2]=i[2],e[3]=i[3],e[4]=i[4],e[5]=i[5],e[6]=i[6],e[7]=i[7],e[8]=i[8],e[9]=i[9],e[10]=i[10],e[11]=i[11],e[12]=i[12],e[13]=i[13],e[14]=i[14],e[15]=i[15],this}copyPosition(t){const e=this.elements,i=t.elements;return e[12]=i[12],e[13]=i[13],e[14]=i[14],this}setFromMatrix3(t){const e=t.elements;return this.set(e[0],e[3],e[6],0,e[1],e[4],e[7],0,e[2],e[5],e[8],0,0,0,0,1),this}extractBasis(t,e,i){return 0===this.determinant()?(t.set(1,0,0),e.set(0,1,0),i.set(0,0,1),this):(t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),i.setFromMatrixColumn(this,2),this)}makeBasis(t,e,i){return this.set(t.x,e.x,i.x,0,t.y,e.y,i.y,0,t.z,e.z,i.z,0,0,0,0,1),this}extractRotation(t){if(0===t.determinant())return this.identity();const e=this.elements,i=t.elements,s=1/Qs.setFromMatrixColumn(t,0).length(),r=1/Qs.setFromMatrixColumn(t,1).length(),n=1/Qs.setFromMatrixColumn(t,2).length();return e[0]=i[0]*s,e[1]=i[1]*s,e[2]=i[2]*s,e[3]=0,e[4]=i[4]*r,e[5]=i[5]*r,e[6]=i[6]*r,e[7]=0,e[8]=i[8]*n,e[9]=i[9]*n,e[10]=i[10]*n,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromEuler(t){const e=this.elements,i=t.x,s=t.y,r=t.z,n=Math.cos(i),a=Math.sin(i),o=Math.cos(s),h=Math.sin(s),l=Math.cos(r),c=Math.sin(r);if("XYZ"===t.order){const t=n*l,i=n*c,s=a*l,r=a*c;e[0]=o*l,e[4]=-o*c,e[8]=h,e[1]=i+s*h,e[5]=t-r*h,e[9]=-a*o,e[2]=r-t*h,e[6]=s+i*h,e[10]=n*o}else if("YXZ"===t.order){const t=o*l,i=o*c,s=h*l,r=h*c;e[0]=t+r*a,e[4]=s*a-i,e[8]=n*h,e[1]=n*c,e[5]=n*l,e[9]=-a,e[2]=i*a-s,e[6]=r+t*a,e[10]=n*o}else if("ZXY"===t.order){const t=o*l,i=o*c,s=h*l,r=h*c;e[0]=t-r*a,e[4]=-n*c,e[8]=s+i*a,e[1]=i+s*a,e[5]=n*l,e[9]=r-t*a,e[2]=-n*h,e[6]=a,e[10]=n*o}else if("ZYX"===t.order){const t=n*l,i=n*c,s=a*l,r=a*c;e[0]=o*l,e[4]=s*h-i,e[8]=t*h+r,e[1]=o*c,e[5]=r*h+t,e[9]=i*h-s,e[2]=-h,e[6]=a*o,e[10]=n*o}else if("YZX"===t.order){const t=n*o,i=n*h,s=a*o,r=a*h;e[0]=o*l,e[4]=r-t*c,e[8]=s*c+i,e[1]=c,e[5]=n*l,e[9]=-a*l,e[2]=-h*l,e[6]=i*c+s,e[10]=t-r*c}else if("XZY"===t.order){const t=n*o,i=n*h,s=a*o,r=a*h;e[0]=o*l,e[4]=-c,e[8]=h*l,e[1]=t*c+r,e[5]=n*l,e[9]=i*c-s,e[2]=s*c-i,e[6]=a*l,e[10]=r*c+t}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromQuaternion(t){return this.compose(tr,t,er)}lookAt(t,e,i){const s=this.elements;return rr.subVectors(t,e),0===rr.lengthSq()&&(rr.z=1),rr.normalize(),ir.crossVectors(i,rr),0===ir.lengthSq()&&(1===Math.abs(i.z)?rr.x+=1e-4:rr.z+=1e-4,rr.normalize(),ir.crossVectors(i,rr)),ir.normalize(),sr.crossVectors(rr,ir),s[0]=ir.x,s[4]=sr.x,s[8]=rr.x,s[1]=ir.y,s[5]=sr.y,s[9]=rr.y,s[2]=ir.z,s[6]=sr.z,s[10]=rr.z,this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const i=t.elements,s=e.elements,r=this.elements,n=i[0],a=i[4],o=i[8],h=i[12],l=i[1],c=i[5],u=i[9],d=i[13],p=i[2],m=i[6],y=i[10],g=i[14],f=i[3],x=i[7],b=i[11],v=i[15],w=s[0],M=s[4],S=s[8],_=s[12],A=s[1],T=s[5],z=s[9],C=s[13],I=s[2],k=s[6],B=s[10],O=s[14],P=s[3],R=s[7],N=s[11],V=s[15];return r[0]=n*w+a*A+o*I+h*P,r[4]=n*M+a*T+o*k+h*R,r[8]=n*S+a*z+o*B+h*N,r[12]=n*_+a*C+o*O+h*V,r[1]=l*w+c*A+u*I+d*P,r[5]=l*M+c*T+u*k+d*R,r[9]=l*S+c*z+u*B+d*N,r[13]=l*_+c*C+u*O+d*V,r[2]=p*w+m*A+y*I+g*P,r[6]=p*M+m*T+y*k+g*R,r[10]=p*S+m*z+y*B+g*N,r[14]=p*_+m*C+y*O+g*V,r[3]=f*w+x*A+b*I+v*P,r[7]=f*M+x*T+b*k+v*R,r[11]=f*S+x*z+b*B+v*N,r[15]=f*_+x*C+b*O+v*V,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this}determinant(){const t=this.elements,e=t[0],i=t[4],s=t[8],r=t[12],n=t[1],a=t[5],o=t[9],h=t[13],l=t[2],c=t[6],u=t[10],d=t[14],p=t[3],m=t[7],y=t[11],g=t[15],f=o*d-h*u,x=a*d-h*c,b=a*u-o*c,v=n*d-h*l,w=n*u-o*l,M=n*c-a*l;return e*(m*f-y*x+g*b)-i*(p*f-y*v+g*w)+s*(p*x-m*v+g*M)-r*(p*b-m*w+y*M)}transpose(){const t=this.elements;let e;return e=t[1],t[1]=t[4],t[4]=e,e=t[2],t[2]=t[8],t[8]=e,e=t[6],t[6]=t[9],t[9]=e,e=t[3],t[3]=t[12],t[12]=e,e=t[7],t[7]=t[13],t[13]=e,e=t[11],t[11]=t[14],t[14]=e,this}setPosition(t,e,i){const s=this.elements;return t.isVector3?(s[12]=t.x,s[13]=t.y,s[14]=t.z):(s[12]=t,s[13]=e,s[14]=i),this}invert(){const t=this.elements,e=t[0],i=t[1],s=t[2],r=t[3],n=t[4],a=t[5],o=t[6],h=t[7],l=t[8],c=t[9],u=t[10],d=t[11],p=t[12],m=t[13],y=t[14],g=t[15],f=e*a-i*n,x=e*o-s*n,b=e*h-r*n,v=i*o-s*a,w=i*h-r*a,M=s*h-r*o,S=l*m-c*p,_=l*y-u*p,A=l*g-d*p,T=c*y-u*m,z=c*g-d*m,C=u*g-d*y,I=f*C-x*z+b*T+v*A-w*_+M*S;if(0===I)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const k=1/I;return t[0]=(a*C-o*z+h*T)*k,t[1]=(s*z-i*C-r*T)*k,t[2]=(m*M-y*w+g*v)*k,t[3]=(u*w-c*M-d*v)*k,t[4]=(o*A-n*C-h*_)*k,t[5]=(e*C-s*A+r*_)*k,t[6]=(y*b-p*M-g*x)*k,t[7]=(l*M-u*b+d*x)*k,t[8]=(n*z-a*A+h*S)*k,t[9]=(i*A-e*z-r*S)*k,t[10]=(p*w-m*b+g*f)*k,t[11]=(c*b-l*w-d*f)*k,t[12]=(a*_-n*T-o*S)*k,t[13]=(e*T-i*_+s*S)*k,t[14]=(m*x-p*v-y*f)*k,t[15]=(l*v-c*x+u*f)*k,this}scale(t){const e=this.elements,i=t.x,s=t.y,r=t.z;return e[0]*=i,e[4]*=s,e[8]*=r,e[1]*=i,e[5]*=s,e[9]*=r,e[2]*=i,e[6]*=s,e[10]*=r,e[3]*=i,e[7]*=s,e[11]*=r,this}getMaxScaleOnAxis(){const t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],i=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],s=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,i,s))}makeTranslation(t,e,i){return t.isVector3?this.set(1,0,0,t.x,0,1,0,t.y,0,0,1,t.z,0,0,0,1):this.set(1,0,0,t,0,1,0,e,0,0,1,i,0,0,0,1),this}makeRotationX(t){const e=Math.cos(t),i=Math.sin(t);return this.set(1,0,0,0,0,e,-i,0,0,i,e,0,0,0,0,1),this}makeRotationY(t){const e=Math.cos(t),i=Math.sin(t);return this.set(e,0,i,0,0,1,0,0,-i,0,e,0,0,0,0,1),this}makeRotationZ(t){const e=Math.cos(t),i=Math.sin(t);return this.set(e,-i,0,0,i,e,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(t,e){const i=Math.cos(e),s=Math.sin(e),r=1-i,n=t.x,a=t.y,o=t.z,h=r*n,l=r*a;return this.set(h*n+i,h*a-s*o,h*o+s*a,0,h*a+s*o,l*a+i,l*o-s*n,0,h*o-s*a,l*o+s*n,r*o*o+i,0,0,0,0,1),this}makeScale(t,e,i){return this.set(t,0,0,0,0,e,0,0,0,0,i,0,0,0,0,1),this}makeShear(t,e,i,s,r,n){return this.set(1,i,r,0,t,1,n,0,e,s,1,0,0,0,0,1),this}compose(t,e,i){const s=this.elements,r=e._x,n=e._y,a=e._z,o=e._w,h=r+r,l=n+n,c=a+a,u=r*h,d=r*l,p=r*c,m=n*l,y=n*c,g=a*c,f=o*h,x=o*l,b=o*c,v=i.x,w=i.y,M=i.z;return s[0]=(1-(m+g))*v,s[1]=(d+b)*v,s[2]=(p-x)*v,s[3]=0,s[4]=(d-b)*w,s[5]=(1-(u+g))*w,s[6]=(y+f)*w,s[7]=0,s[8]=(p+x)*M,s[9]=(y-f)*M,s[10]=(1-(u+m))*M,s[11]=0,s[12]=t.x,s[13]=t.y,s[14]=t.z,s[15]=1,this}decompose(t,e,i){const s=this.elements;t.x=s[12],t.y=s[13],t.z=s[14];const r=this.determinant();if(0===r)return i.set(1,1,1),e.identity(),this;let n=Qs.set(s[0],s[1],s[2]).length();const a=Qs.set(s[4],s[5],s[6]).length(),o=Qs.set(s[8],s[9],s[10]).length();r<0&&(n=-n),Ks.copy(this);const h=1/n,l=1/a,c=1/o;return Ks.elements[0]*=h,Ks.elements[1]*=h,Ks.elements[2]*=h,Ks.elements[4]*=l,Ks.elements[5]*=l,Ks.elements[6]*=l,Ks.elements[8]*=c,Ks.elements[9]*=c,Ks.elements[10]*=c,e.setFromRotationMatrix(Ks),i.x=n,i.y=a,i.z=o,this}makePerspective(t,e,i,s,r,n,a=2e3,o=!1){const h=this.elements,l=2*r/(e-t),c=2*r/(i-s),u=(e+t)/(e-t),d=(i+s)/(i-s);let p,m;if(o)p=r/(n-r),m=n*r/(n-r);else if(a===Ui)p=-(n+r)/(n-r),m=-2*n*r/(n-r);else{if(a!==Ji)throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+a);p=-n/(n-r),m=-n*r/(n-r)}return h[0]=l,h[4]=0,h[8]=u,h[12]=0,h[1]=0,h[5]=c,h[9]=d,h[13]=0,h[2]=0,h[6]=0,h[10]=p,h[14]=m,h[3]=0,h[7]=0,h[11]=-1,h[15]=0,this}makeOrthographic(t,e,i,s,r,n,a=2e3,o=!1){const h=this.elements,l=2/(e-t),c=2/(i-s),u=-(e+t)/(e-t),d=-(i+s)/(i-s);let p,m;if(o)p=1/(n-r),m=n/(n-r);else if(a===Ui)p=-2/(n-r),m=-(n+r)/(n-r);else{if(a!==Ji)throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+a);p=-1/(n-r),m=-r/(n-r)}return h[0]=l,h[4]=0,h[8]=0,h[12]=u,h[1]=0,h[5]=c,h[9]=0,h[13]=d,h[2]=0,h[6]=0,h[10]=p,h[14]=m,h[3]=0,h[7]=0,h[11]=0,h[15]=1,this}equals(t){const e=this.elements,i=t.elements;for(let t=0;t<16;t++)if(e[t]!==i[t])return!1;return!0}fromArray(t,e=0){for(let i=0;i<16;i++)this.elements[i]=t[i+e];return this}toArray(t=[],e=0){const i=this.elements;return t[e]=i[0],t[e+1]=i[1],t[e+2]=i[2],t[e+3]=i[3],t[e+4]=i[4],t[e+5]=i[5],t[e+6]=i[6],t[e+7]=i[7],t[e+8]=i[8],t[e+9]=i[9],t[e+10]=i[10],t[e+11]=i[11],t[e+12]=i[12],t[e+13]=i[13],t[e+14]=i[14],t[e+15]=i[15],t}}const Qs=new As,Ks=new $s,tr=new As(0,0,0),er=new As(1,1,1),ir=new As,sr=new As,rr=new As,nr=new $s,ar=new _s;class or{constructor(t=0,e=0,i=0,s=or.DEFAULT_ORDER){this.isEuler=!0,this._x=t,this._y=e,this._z=i,this._order=s}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get order(){return this._order}set order(t){this._order=t,this._onChangeCallback()}set(t,e,i,s=this._order){return this._x=t,this._y=e,this._z=i,this._order=s,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this}setFromRotationMatrix(t,e=this._order,i=!0){const s=t.elements,r=s[0],n=s[4],a=s[8],o=s[1],h=s[5],l=s[9],c=s[2],u=s[6],d=s[10];switch(e){case"XYZ":this._y=Math.asin(fs(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(-l,d),this._z=Math.atan2(-n,r)):(this._x=Math.atan2(u,h),this._z=0);break;case"YXZ":this._x=Math.asin(-fs(l,-1,1)),Math.abs(l)<.9999999?(this._y=Math.atan2(a,d),this._z=Math.atan2(o,h)):(this._y=Math.atan2(-c,r),this._z=0);break;case"ZXY":this._x=Math.asin(fs(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(-c,d),this._z=Math.atan2(-n,h)):(this._y=0,this._z=Math.atan2(o,r));break;case"ZYX":this._y=Math.asin(-fs(c,-1,1)),Math.abs(c)<.9999999?(this._x=Math.atan2(u,d),this._z=Math.atan2(o,r)):(this._x=0,this._z=Math.atan2(-n,h));break;case"YZX":this._z=Math.asin(fs(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-l,h),this._y=Math.atan2(-c,r)):(this._x=0,this._y=Math.atan2(a,d));break;case"XZY":this._z=Math.asin(-fs(n,-1,1)),Math.abs(n)<.9999999?(this._x=Math.atan2(u,h),this._y=Math.atan2(a,r)):(this._x=Math.atan2(-l,d),this._y=0);break;default:as("Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,!0===i&&this._onChangeCallback(),this}setFromQuaternion(t,e,i){return nr.makeRotationFromQuaternion(t),this.setFromRotationMatrix(nr,e,i)}setFromVector3(t,e=this._order){return this.set(t.x,t.y,t.z,e)}reorder(t){return ar.setFromEuler(this),this.setFromQuaternion(ar,t)}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order}fromArray(t){return this._x=t[0],this._y=t[1],this._z=t[2],void 0!==t[3]&&(this._order=t[3]),this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}}or.DEFAULT_ORDER="XYZ";class hr{constructor(){this.mask=1}set(t){this.mask=1<<t>>>0}enable(t){this.mask|=1<<t}enableAll(){this.mask=-1}toggle(t){this.mask^=1<<t}disable(t){this.mask&=~(1<<t)}disableAll(){this.mask=0}test(t){return 0!==(this.mask&t.mask)}isEnabled(t){return!!(this.mask&1<<t)}}let lr=0;const cr=new As,ur=new _s,dr=new $s,pr=new As,mr=new As,yr=new As,gr=new _s,fr=new As(1,0,0),xr=new As(0,1,0),br=new As(0,0,1),vr={type:"added"},wr={type:"removed"},Mr={type:"childadded",child:null},Sr={type:"childremoved",child:null};class _r extends us{constructor(){super(),this.isObject3D=!0,Object.defineProperty(this,"id",{value:lr++}),this.uuid=gs(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=_r.DEFAULT_UP.clone();const t=new As,e=new or,i=new _s,s=new As(1,1,1);e._onChange(function(){i.setFromEuler(e,!1)}),i._onChange(function(){e.setFromQuaternion(i,void 0,!1)}),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:t},rotation:{configurable:!0,enumerable:!0,value:e},quaternion:{configurable:!0,enumerable:!0,value:i},scale:{configurable:!0,enumerable:!0,value:s},modelViewMatrix:{value:new $s},normalMatrix:{value:new Cs}}),this.matrix=new $s,this.matrixWorld=new $s,this.matrixAutoUpdate=_r.DEFAULT_MATRIX_AUTO_UPDATE,this.matrixWorldAutoUpdate=_r.DEFAULT_MATRIX_WORLD_AUTO_UPDATE,this.matrixWorldNeedsUpdate=!1,this.layers=new hr,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.customDepthMaterial=void 0,this.customDistanceMaterial=void 0,this.static=!1,this.userData={},this.pivot=null}onBeforeShadow(){}onAfterShadow(){}onBeforeRender(){}onAfterRender(){}applyMatrix4(t){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(t),this.matrix.decompose(this.position,this.quaternion,this.scale)}applyQuaternion(t){return this.quaternion.premultiply(t),this}setRotationFromAxisAngle(t,e){this.quaternion.setFromAxisAngle(t,e)}setRotationFromEuler(t){this.quaternion.setFromEuler(t,!0)}setRotationFromMatrix(t){this.quaternion.setFromRotationMatrix(t)}setRotationFromQuaternion(t){this.quaternion.copy(t)}rotateOnAxis(t,e){return ur.setFromAxisAngle(t,e),this.quaternion.multiply(ur),this}rotateOnWorldAxis(t,e){return ur.setFromAxisAngle(t,e),this.quaternion.premultiply(ur),this}rotateX(t){return this.rotateOnAxis(fr,t)}rotateY(t){return this.rotateOnAxis(xr,t)}rotateZ(t){return this.rotateOnAxis(br,t)}translateOnAxis(t,e){return cr.copy(t).applyQuaternion(this.quaternion),this.position.add(cr.multiplyScalar(e)),this}translateX(t){return this.translateOnAxis(fr,t)}translateY(t){return this.translateOnAxis(xr,t)}translateZ(t){return this.translateOnAxis(br,t)}localToWorld(t){return this.updateWorldMatrix(!0,!1),t.applyMatrix4(this.matrixWorld)}worldToLocal(t){return this.updateWorldMatrix(!0,!1),t.applyMatrix4(dr.copy(this.matrixWorld).invert())}lookAt(t,e,i){t.isVector3?pr.copy(t):pr.set(t,e,i);const s=this.parent;this.updateWorldMatrix(!0,!1),mr.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?dr.lookAt(mr,pr,this.up):dr.lookAt(pr,mr,this.up),this.quaternion.setFromRotationMatrix(dr),s&&(dr.extractRotation(s.matrixWorld),ur.setFromRotationMatrix(dr),this.quaternion.premultiply(ur.invert()))}add(t){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.add(arguments[t]);return this}return t===this?(os("Object3D.add: object can't be added as a child of itself.",t),this):(t&&t.isObject3D?(t.removeFromParent(),t.parent=this,this.children.push(t),t.dispatchEvent(vr),Mr.child=t,this.dispatchEvent(Mr),Mr.child=null):os("Object3D.add: object not an instance of THREE.Object3D.",t),this)}remove(t){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.remove(arguments[t]);return this}const e=this.children.indexOf(t);return-1!==e&&(t.parent=null,this.children.splice(e,1),t.dispatchEvent(wr),Sr.child=t,this.dispatchEvent(Sr),Sr.child=null),this}removeFromParent(){const t=this.parent;return null!==t&&t.remove(this),this}clear(){return this.remove(...this.children)}attach(t){return this.updateWorldMatrix(!0,!1),dr.copy(this.matrixWorld).invert(),null!==t.parent&&(t.parent.updateWorldMatrix(!0,!1),dr.multiply(t.parent.matrixWorld)),t.applyMatrix4(dr),t.removeFromParent(),t.parent=this,this.children.push(t),t.updateWorldMatrix(!1,!0),t.dispatchEvent(vr),Mr.child=t,this.dispatchEvent(Mr),Mr.child=null,this}getObjectById(t){return this.getObjectByProperty("id",t)}getObjectByName(t){return this.getObjectByProperty("name",t)}getObjectByProperty(t,e){if(this[t]===e)return this;for(let i=0,s=this.children.length;i<s;i++){const s=this.children[i].getObjectByProperty(t,e);if(void 0!==s)return s}}getObjectsByProperty(t,e,i=[]){this[t]===e&&i.push(this);const s=this.children;for(let r=0,n=s.length;r<n;r++)s[r].getObjectsByProperty(t,e,i);return i}getWorldPosition(t){return this.updateWorldMatrix(!0,!1),t.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(mr,t,yr),t}getWorldScale(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(mr,gr,t),t}getWorldDirection(t){this.updateWorldMatrix(!0,!1);const e=this.matrixWorld.elements;return t.set(e[8],e[9],e[10]).normalize()}raycast(){}traverse(t){t(this);const e=this.children;for(let i=0,s=e.length;i<s;i++)e[i].traverse(t)}traverseVisible(t){if(!1===this.visible)return;t(this);const e=this.children;for(let i=0,s=e.length;i<s;i++)e[i].traverseVisible(t)}traverseAncestors(t){const e=this.parent;null!==e&&(t(e),e.traverseAncestors(t))}updateMatrix(){this.matrix.compose(this.position,this.quaternion,this.scale);const t=this.pivot;if(null!==t){const e=t.x,i=t.y,s=t.z,r=this.matrix.elements;r[12]+=e-r[0]*e-r[4]*i-r[8]*s,r[13]+=i-r[1]*e-r[5]*i-r[9]*s,r[14]+=s-r[2]*e-r[6]*i-r[10]*s}this.matrixWorldNeedsUpdate=!0}updateMatrixWorld(t){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||t)&&(!0===this.matrixWorldAutoUpdate&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix)),this.matrixWorldNeedsUpdate=!1,t=!0);const e=this.children;for(let i=0,s=e.length;i<s;i++){e[i].updateMatrixWorld(t)}}updateWorldMatrix(t,e){const i=this.parent;if(!0===t&&null!==i&&i.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),!0===this.matrixWorldAutoUpdate&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix)),!0===e){const t=this.children;for(let e=0,i=t.length;e<i;e++){t[e].updateWorldMatrix(!1,!0)}}}toJSON(t){const e=void 0===t||"string"==typeof t,i={};e&&(t={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{},nodes:{}},i.metadata={version:4.7,type:"Object",generator:"Object3D.toJSON"});const s={};function r(e,i){return void 0===e[i.uuid]&&(e[i.uuid]=i.toJSON(t)),i.uuid}if(s.uuid=this.uuid,s.type=this.type,""!==this.name&&(s.name=this.name),!0===this.castShadow&&(s.castShadow=!0),!0===this.receiveShadow&&(s.receiveShadow=!0),!1===this.visible&&(s.visible=!1),!1===this.frustumCulled&&(s.frustumCulled=!1),0!==this.renderOrder&&(s.renderOrder=this.renderOrder),!1!==this.static&&(s.static=this.static),Object.keys(this.userData).length>0&&(s.userData=this.userData),s.layers=this.layers.mask,s.matrix=this.matrix.toArray(),s.up=this.up.toArray(),null!==this.pivot&&(s.pivot=this.pivot.toArray()),!1===this.matrixAutoUpdate&&(s.matrixAutoUpdate=!1),void 0!==this.morphTargetDictionary&&(s.morphTargetDictionary=Object.assign({},this.morphTargetDictionary)),void 0!==this.morphTargetInfluences&&(s.morphTargetInfluences=this.morphTargetInfluences.slice()),this.isInstancedMesh&&(s.type="InstancedMesh",s.count=this.count,s.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(s.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(s.type="BatchedMesh",s.perObjectFrustumCulled=this.perObjectFrustumCulled,s.sortObjects=this.sortObjects,s.drawRanges=this._drawRanges,s.reservedRanges=this._reservedRanges,s.geometryInfo=this._geometryInfo.map(t=>({...t,boundingBox:t.boundingBox?t.boundingBox.toJSON():void 0,boundingSphere:t.boundingSphere?t.boundingSphere.toJSON():void 0})),s.instanceInfo=this._instanceInfo.map(t=>({...t})),s.availableInstanceIds=this._availableInstanceIds.slice(),s.availableGeometryIds=this._availableGeometryIds.slice(),s.nextIndexStart=this._nextIndexStart,s.nextVertexStart=this._nextVertexStart,s.geometryCount=this._geometryCount,s.maxInstanceCount=this._maxInstanceCount,s.maxVertexCount=this._maxVertexCount,s.maxIndexCount=this._maxIndexCount,s.geometryInitialized=this._geometryInitialized,s.matricesTexture=this._matricesTexture.toJSON(t),s.indirectTexture=this._indirectTexture.toJSON(t),null!==this._colorsTexture&&(s.colorsTexture=this._colorsTexture.toJSON(t)),null!==this.boundingSphere&&(s.boundingSphere=this.boundingSphere.toJSON()),null!==this.boundingBox&&(s.boundingBox=this.boundingBox.toJSON())),this.isScene)this.background&&(this.background.isColor?s.background=this.background.toJSON():this.background.isTexture&&(s.background=this.background.toJSON(t).uuid)),this.environment&&this.environment.isTexture&&!0!==this.environment.isRenderTargetTexture&&(s.environment=this.environment.toJSON(t).uuid);else if(this.isMesh||this.isLine||this.isPoints){s.geometry=r(t.geometries,this.geometry);const e=this.geometry.parameters;if(void 0!==e&&void 0!==e.shapes){const i=e.shapes;if(Array.isArray(i))for(let e=0,s=i.length;e<s;e++){const s=i[e];r(t.shapes,s)}else r(t.shapes,i)}}if(this.isSkinnedMesh&&(s.bindMode=this.bindMode,s.bindMatrix=this.bindMatrix.toArray(),void 0!==this.skeleton&&(r(t.skeletons,this.skeleton),s.skeleton=this.skeleton.uuid)),void 0!==this.material)if(Array.isArray(this.material)){const e=[];for(let i=0,s=this.material.length;i<s;i++)e.push(r(t.materials,this.material[i]));s.material=e}else s.material=r(t.materials,this.material);if(this.children.length>0){s.children=[];for(let e=0;e<this.children.length;e++)s.children.push(this.children[e].toJSON(t).object)}if(this.animations.length>0){s.animations=[];for(let e=0;e<this.animations.length;e++){const i=this.animations[e];s.animations.push(r(t.animations,i))}}if(e){const e=n(t.geometries),s=n(t.materials),r=n(t.textures),a=n(t.images),o=n(t.shapes),h=n(t.skeletons),l=n(t.animations),c=n(t.nodes);e.length>0&&(i.geometries=e),s.length>0&&(i.materials=s),r.length>0&&(i.textures=r),a.length>0&&(i.images=a),o.length>0&&(i.shapes=o),h.length>0&&(i.skeletons=h),l.length>0&&(i.animations=l),c.length>0&&(i.nodes=c)}return i.object=s,i;function n(t){const e=[];for(const i in t){const s=t[i];delete s.metadata,e.push(s)}return e}}clone(t){return(new this.constructor).copy(this,t)}copy(t,e=!0){if(this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),null!==t.pivot&&(this.pivot=t.pivot.clone()),this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldAutoUpdate=t.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.static=t.static,this.animations=t.animations.slice(),this.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(let e=0;e<t.children.length;e++){const i=t.children[e];this.add(i.clone())}return this}}_r.DEFAULT_UP=new As(0,1,0),_r.DEFAULT_MATRIX_AUTO_UPDATE=!0,_r.DEFAULT_MATRIX_WORLD_AUTO_UPDATE=!0;class Ar extends _r{constructor(){super(),this.isGroup=!0,this.type="Group"}}const Tr={type:"move"};class zr{constructor(){this._targetRay=null,this._grip=null,this._hand=null}getHandSpace(){return null===this._hand&&(this._hand=new Ar,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand}getTargetRaySpace(){return null===this._targetRay&&(this._targetRay=new Ar,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new As,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new As),this._targetRay}getGripSpace(){return null===this._grip&&(this._grip=new Ar,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new As,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new As),this._grip}dispatchEvent(t){return null!==this._targetRay&&this._targetRay.dispatchEvent(t),null!==this._grip&&this._grip.dispatchEvent(t),null!==this._hand&&this._hand.dispatchEvent(t),this}connect(t){if(t&&t.hand){const e=this._hand;if(e)for(const i of t.hand.values())this._getHandJoint(e,i)}return this.dispatchEvent({type:"connected",data:t}),this}disconnect(t){return this.dispatchEvent({type:"disconnected",data:t}),null!==this._targetRay&&(this._targetRay.visible=!1),null!==this._grip&&(this._grip.visible=!1),null!==this._hand&&(this._hand.visible=!1),this}update(t,e,i){let s=null,r=null,n=null;const a=this._targetRay,o=this._grip,h=this._hand;if(t&&"visible-blurred"!==e.session.visibilityState){if(h&&t.hand){n=!0;for(const s of t.hand.values()){const t=e.getJointPose(s,i),r=this._getHandJoint(h,s);null!==t&&(r.matrix.fromArray(t.transform.matrix),r.matrix.decompose(r.position,r.rotation,r.scale),r.matrixWorldNeedsUpdate=!0,r.jointRadius=t.radius),r.visible=null!==t}const s=h.joints["index-finger-tip"],r=h.joints["thumb-tip"],a=s.position.distanceTo(r.position),o=.02,l=.005;h.inputState.pinching&&a>o+l?(h.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:t.handedness,target:this})):!h.inputState.pinching&&a<=o-l&&(h.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:t.handedness,target:this}))}else null!==o&&t.gripSpace&&(r=e.getPose(t.gripSpace,i),null!==r&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),o.matrixWorldNeedsUpdate=!0,r.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(r.linearVelocity)):o.hasLinearVelocity=!1,r.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(r.angularVelocity)):o.hasAngularVelocity=!1));null!==a&&(s=e.getPose(t.targetRaySpace,i),null===s&&null!==r&&(s=r),null!==s&&(a.matrix.fromArray(s.transform.matrix),a.matrix.decompose(a.position,a.rotation,a.scale),a.matrixWorldNeedsUpdate=!0,s.linearVelocity?(a.hasLinearVelocity=!0,a.linearVelocity.copy(s.linearVelocity)):a.hasLinearVelocity=!1,s.angularVelocity?(a.hasAngularVelocity=!0,a.angularVelocity.copy(s.angularVelocity)):a.hasAngularVelocity=!1,this.dispatchEvent(Tr)))}return null!==a&&(a.visible=null!==s),null!==o&&(o.visible=null!==r),null!==h&&(h.visible=null!==n),this}_getHandJoint(t,e){if(void 0===t.joints[e.jointName]){const i=new Ar;i.matrixAutoUpdate=!1,i.visible=!1,t.joints[e.jointName]=i,t.add(i)}return t.joints[e.jointName]}}const Cr={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},Ir={h:0,s:0,l:0},kr={h:0,s:0,l:0};function Br(t,e,i){return i<0&&(i+=1),i>1&&(i-=1),i<1/6?t+6*(e-t)*i:i<.5?e:i<2/3?t+6*(e-t)*(2/3-i):t}class Or{constructor(t,e,i){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(t,e,i)}set(t,e,i){if(void 0===e&&void 0===i){const e=t;e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e)}else this.setRGB(t,e,i);return this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t,e=ei){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,Ps.colorSpaceToWorking(this,e),this}setRGB(t,e,i,s=Ps.workingColorSpace){return this.r=t,this.g=e,this.b=i,Ps.colorSpaceToWorking(this,s),this}setHSL(t,e,i,s=Ps.workingColorSpace){if(t=xs(t,1),e=fs(e,0,1),i=fs(i,0,1),0===e)this.r=this.g=this.b=i;else{const s=i<=.5?i*(1+e):i+e-i*e,r=2*i-s;this.r=Br(r,s,t+1/3),this.g=Br(r,s,t),this.b=Br(r,s,t-1/3)}return Ps.colorSpaceToWorking(this,s),this}setStyle(t,e=ei){function i(e){void 0!==e&&parseFloat(e)<1&&as("Color: Alpha component of "+t+" will be ignored.")}let s;if(s=/^(\w+)\(([^\)]*)\)/.exec(t)){let r;const n=s[1],a=s[2];switch(n){case"rgb":case"rgba":if(r=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return i(r[4]),this.setRGB(Math.min(255,parseInt(r[1],10))/255,Math.min(255,parseInt(r[2],10))/255,Math.min(255,parseInt(r[3],10))/255,e);if(r=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return i(r[4]),this.setRGB(Math.min(100,parseInt(r[1],10))/100,Math.min(100,parseInt(r[2],10))/100,Math.min(100,parseInt(r[3],10))/100,e);break;case"hsl":case"hsla":if(r=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return i(r[4]),this.setHSL(parseFloat(r[1])/360,parseFloat(r[2])/100,parseFloat(r[3])/100,e);break;default:as("Color: Unknown color model "+t)}}else if(s=/^\#([A-Fa-f\d]+)$/.exec(t)){const i=s[1],r=i.length;if(3===r)return this.setRGB(parseInt(i.charAt(0),16)/15,parseInt(i.charAt(1),16)/15,parseInt(i.charAt(2),16)/15,e);if(6===r)return this.setHex(parseInt(i,16),e);as("Color: Invalid hex color "+t)}else if(t&&t.length>0)return this.setColorName(t,e);return this}setColorName(t,e=ei){const i=Cr[t.toLowerCase()];return void 0!==i?this.setHex(i,e):as("Color: Unknown color "+t),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(t){return this.r=t.r,this.g=t.g,this.b=t.b,this}copySRGBToLinear(t){return this.r=Rs(t.r),this.g=Rs(t.g),this.b=Rs(t.b),this}copyLinearToSRGB(t){return this.r=Ns(t.r),this.g=Ns(t.g),this.b=Ns(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t=ei){return Ps.workingToColorSpace(Pr.copy(this),t),65536*Math.round(fs(255*Pr.r,0,255))+256*Math.round(fs(255*Pr.g,0,255))+Math.round(fs(255*Pr.b,0,255))}getHexString(t=ei){return("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e=Ps.workingColorSpace){Ps.workingToColorSpace(Pr.copy(this),e);const i=Pr.r,s=Pr.g,r=Pr.b,n=Math.max(i,s,r),a=Math.min(i,s,r);let o,h;const l=(a+n)/2;if(a===n)o=0,h=0;else{const t=n-a;switch(h=l<=.5?t/(n+a):t/(2-n-a),n){case i:o=(s-r)/t+(s<r?6:0);break;case s:o=(r-i)/t+2;break;case r:o=(i-s)/t+4}o/=6}return t.h=o,t.s=h,t.l=l,t}getRGB(t,e=Ps.workingColorSpace){return Ps.workingToColorSpace(Pr.copy(this),e),t.r=Pr.r,t.g=Pr.g,t.b=Pr.b,t}getStyle(t=ei){Ps.workingToColorSpace(Pr.copy(this),t);const e=Pr.r,i=Pr.g,s=Pr.b;return t!==ei?`color(${t} ${e.toFixed(3)} ${i.toFixed(3)} ${s.toFixed(3)})`:`rgb(${Math.round(255*e)},${Math.round(255*i)},${Math.round(255*s)})`}offsetHSL(t,e,i){return this.getHSL(Ir),this.setHSL(Ir.h+t,Ir.s+e,Ir.l+i)}add(t){return this.r+=t.r,this.g+=t.g,this.b+=t.b,this}addColors(t,e){return this.r=t.r+e.r,this.g=t.g+e.g,this.b=t.b+e.b,this}addScalar(t){return this.r+=t,this.g+=t,this.b+=t,this}sub(t){return this.r=Math.max(0,this.r-t.r),this.g=Math.max(0,this.g-t.g),this.b=Math.max(0,this.b-t.b),this}multiply(t){return this.r*=t.r,this.g*=t.g,this.b*=t.b,this}multiplyScalar(t){return this.r*=t,this.g*=t,this.b*=t,this}lerp(t,e){return this.r+=(t.r-this.r)*e,this.g+=(t.g-this.g)*e,this.b+=(t.b-this.b)*e,this}lerpColors(t,e,i){return this.r=t.r+(e.r-t.r)*i,this.g=t.g+(e.g-t.g)*i,this.b=t.b+(e.b-t.b)*i,this}lerpHSL(t,e){this.getHSL(Ir),t.getHSL(kr);const i=bs(Ir.h,kr.h,e),s=bs(Ir.s,kr.s,e),r=bs(Ir.l,kr.l,e);return this.setHSL(i,s,r),this}setFromVector3(t){return this.r=t.x,this.g=t.y,this.b=t.z,this}applyMatrix3(t){const e=this.r,i=this.g,s=this.b,r=t.elements;return this.r=r[0]*e+r[3]*i+r[6]*s,this.g=r[1]*e+r[4]*i+r[7]*s,this.b=r[2]*e+r[5]*i+r[8]*s,this}equals(t){return t.r===this.r&&t.g===this.g&&t.b===this.b}fromArray(t,e=0){return this.r=t[e],this.g=t[e+1],this.b=t[e+2],this}toArray(t=[],e=0){return t[e]=this.r,t[e+1]=this.g,t[e+2]=this.b,t}fromBufferAttribute(t,e){return this.r=t.getX(e),this.g=t.getY(e),this.b=t.getZ(e),this}toJSON(){return this.getHex()}*[Symbol.iterator](){yield this.r,yield this.g,yield this.b}}const Pr=new Or;Or.NAMES=Cr;class Rr{constructor(t,e=25e-5){this.isFogExp2=!0,this.name="",this.color=new Or(t),this.density=e}clone(){return new Rr(this.color,this.density)}toJSON(){return{type:"FogExp2",name:this.name,color:this.color.getHex(),density:this.density}}}class Nr{constructor(t,e=1,i=1e3){this.isFog=!0,this.name="",this.color=new Or(t),this.near=e,this.far=i}clone(){return new Nr(this.color,this.near,this.far)}toJSON(){return{type:"Fog",name:this.name,color:this.color.getHex(),near:this.near,far:this.far}}}class Vr extends _r{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,this.backgroundRotation=new or,this.environmentIntensity=1,this.environmentRotation=new or,this.overrideMaterial=null,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(t,e){return super.copy(t,e),null!==t.background&&(this.background=t.background.clone()),null!==t.environment&&(this.environment=t.environment.clone()),null!==t.fog&&(this.fog=t.fog.clone()),this.backgroundBlurriness=t.backgroundBlurriness,this.backgroundIntensity=t.backgroundIntensity,this.backgroundRotation.copy(t.backgroundRotation),this.environmentIntensity=t.environmentIntensity,this.environmentRotation.copy(t.environmentRotation),null!==t.overrideMaterial&&(this.overrideMaterial=t.overrideMaterial.clone()),this.matrixAutoUpdate=t.matrixAutoUpdate,this}toJSON(t){const e=super.toJSON(t);return null!==this.fog&&(e.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(e.object.backgroundBlurriness=this.backgroundBlurriness),1!==this.backgroundIntensity&&(e.object.backgroundIntensity=this.backgroundIntensity),e.object.backgroundRotation=this.backgroundRotation.toArray(),1!==this.environmentIntensity&&(e.object.environmentIntensity=this.environmentIntensity),e.object.environmentRotation=this.environmentRotation.toArray(),e}}const Er=new As,Fr=new As,Lr=new As,jr=new As,Dr=new As,Wr=new As,Ur=new As,Jr=new As,qr=new As,Xr=new As,Yr=new Js,Hr=new Js,Zr=new Js;class Gr{constructor(t=new As,e=new As,i=new As){this.a=t,this.b=e,this.c=i}static getNormal(t,e,i,s){s.subVectors(i,e),Er.subVectors(t,e),s.cross(Er);const r=s.lengthSq();return r>0?s.multiplyScalar(1/Math.sqrt(r)):s.set(0,0,0)}static getBarycoord(t,e,i,s,r){Er.subVectors(s,e),Fr.subVectors(i,e),Lr.subVectors(t,e);const n=Er.dot(Er),a=Er.dot(Fr),o=Er.dot(Lr),h=Fr.dot(Fr),l=Fr.dot(Lr),c=n*h-a*a;if(0===c)return r.set(0,0,0),null;const u=1/c,d=(h*o-a*l)*u,p=(n*l-a*o)*u;return r.set(1-d-p,p,d)}static containsPoint(t,e,i,s){return null!==this.getBarycoord(t,e,i,s,jr)&&(jr.x>=0&&jr.y>=0&&jr.x+jr.y<=1)}static getInterpolation(t,e,i,s,r,n,a,o){return null===this.getBarycoord(t,e,i,s,jr)?(o.x=0,o.y=0,"z"in o&&(o.z=0),"w"in o&&(o.w=0),null):(o.setScalar(0),o.addScaledVector(r,jr.x),o.addScaledVector(n,jr.y),o.addScaledVector(a,jr.z),o)}static getInterpolatedAttribute(t,e,i,s,r,n){return Yr.setScalar(0),Hr.setScalar(0),Zr.setScalar(0),Yr.fromBufferAttribute(t,e),Hr.fromBufferAttribute(t,i),Zr.fromBufferAttribute(t,s),n.setScalar(0),n.addScaledVector(Yr,r.x),n.addScaledVector(Hr,r.y),n.addScaledVector(Zr,r.z),n}static isFrontFacing(t,e,i,s){return Er.subVectors(i,e),Fr.subVectors(t,e),Er.cross(Fr).dot(s)<0}set(t,e,i){return this.a.copy(t),this.b.copy(e),this.c.copy(i),this}setFromPointsAndIndices(t,e,i,s){return this.a.copy(t[e]),this.b.copy(t[i]),this.c.copy(t[s]),this}setFromAttributeAndIndices(t,e,i,s){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,i),this.c.fromBufferAttribute(t,s),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this}getArea(){return Er.subVectors(this.c,this.b),Fr.subVectors(this.a,this.b),.5*Er.cross(Fr).length()}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return Gr.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return Gr.getBarycoord(t,this.a,this.b,this.c,e)}getInterpolation(t,e,i,s,r){return Gr.getInterpolation(t,this.a,this.b,this.c,e,i,s,r)}containsPoint(t){return Gr.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return Gr.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){const i=this.a,s=this.b,r=this.c;let n,a;Dr.subVectors(s,i),Wr.subVectors(r,i),Jr.subVectors(t,i);const o=Dr.dot(Jr),h=Wr.dot(Jr);if(o<=0&&h<=0)return e.copy(i);qr.subVectors(t,s);const l=Dr.dot(qr),c=Wr.dot(qr);if(l>=0&&c<=l)return e.copy(s);const u=o*c-l*h;if(u<=0&&o>=0&&l<=0)return n=o/(o-l),e.copy(i).addScaledVector(Dr,n);Xr.subVectors(t,r);const d=Dr.dot(Xr),p=Wr.dot(Xr);if(p>=0&&d<=p)return e.copy(r);const m=d*h-o*p;if(m<=0&&h>=0&&p<=0)return a=h/(h-p),e.copy(i).addScaledVector(Wr,a);const y=l*p-d*c;if(y<=0&&c-l>=0&&d-p>=0)return Ur.subVectors(r,s),a=(c-l)/(c-l+(d-p)),e.copy(s).addScaledVector(Ur,a);const g=1/(y+m+u);return n=m*g,a=u*g,e.copy(i).addScaledVector(Dr,n).addScaledVector(Wr,a)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}class $r{constructor(t=new As(1/0,1/0,1/0),e=new As(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(t){this.makeEmpty();for(let e=0,i=t.length;e<i;e+=3)this.expandByPoint(Kr.fromArray(t,e));return this}setFromBufferAttribute(t){this.makeEmpty();for(let e=0,i=t.count;e<i;e++)this.expandByPoint(Kr.fromBufferAttribute(t,e));return this}setFromPoints(t){this.makeEmpty();for(let e=0,i=t.length;e<i;e++)this.expandByPoint(t[e]);return this}setFromCenterAndSize(t,e){const i=Kr.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(i),this.max.copy(t).add(i),this}setFromObject(t,e=!1){return this.makeEmpty(),this.expandByObject(t,e)}clone(){return(new this.constructor).copy(this)}copy(t){return this.min.copy(t.min),this.max.copy(t.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(t){return this.isEmpty()?t.set(0,0,0):t.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(t){return this.isEmpty()?t.set(0,0,0):t.subVectors(this.max,this.min)}expandByPoint(t){return this.min.min(t),this.max.max(t),this}expandByVector(t){return this.min.sub(t),this.max.add(t),this}expandByScalar(t){return this.min.addScalar(-t),this.max.addScalar(t),this}expandByObject(t,e=!1){t.updateWorldMatrix(!1,!1);const i=t.geometry;if(void 0!==i){const s=i.getAttribute("position");if(!0===e&&void 0!==s&&!0!==t.isInstancedMesh)for(let e=0,i=s.count;e<i;e++)!0===t.isMesh?t.getVertexPosition(e,Kr):Kr.fromBufferAttribute(s,e),Kr.applyMatrix4(t.matrixWorld),this.expandByPoint(Kr);else void 0!==t.boundingBox?(null===t.boundingBox&&t.computeBoundingBox(),tn.copy(t.boundingBox)):(null===i.boundingBox&&i.computeBoundingBox(),tn.copy(i.boundingBox)),tn.applyMatrix4(t.matrixWorld),this.union(tn)}const s=t.children;for(let t=0,i=s.length;t<i;t++)this.expandByObject(s[t],e);return this}containsPoint(t){return t.x>=this.min.x&&t.x<=this.max.x&&t.y>=this.min.y&&t.y<=this.max.y&&t.z>=this.min.z&&t.z<=this.max.z}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(t){return t.max.x>=this.min.x&&t.min.x<=this.max.x&&t.max.y>=this.min.y&&t.min.y<=this.max.y&&t.max.z>=this.min.z&&t.min.z<=this.max.z}intersectsSphere(t){return this.clampPoint(t.center,Kr),Kr.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,i;return t.normal.x>0?(e=t.normal.x*this.min.x,i=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,i=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,i+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,i+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,i+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,i+=t.normal.z*this.min.z),e<=-t.constant&&i>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(hn),ln.subVectors(this.max,hn),en.subVectors(t.a,hn),sn.subVectors(t.b,hn),rn.subVectors(t.c,hn),nn.subVectors(sn,en),an.subVectors(rn,sn),on.subVectors(en,rn);let e=[0,-nn.z,nn.y,0,-an.z,an.y,0,-on.z,on.y,nn.z,0,-nn.x,an.z,0,-an.x,on.z,0,-on.x,-nn.y,nn.x,0,-an.y,an.x,0,-on.y,on.x,0];return!!dn(e,en,sn,rn,ln)&&(e=[1,0,0,0,1,0,0,0,1],!!dn(e,en,sn,rn,ln)&&(cn.crossVectors(nn,an),e=[cn.x,cn.y,cn.z],dn(e,en,sn,rn,ln)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,Kr).distanceTo(t)}getBoundingSphere(t){return this.isEmpty()?t.makeEmpty():(this.getCenter(t.center),t.radius=.5*this.getSize(Kr).length()),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()||(Qr[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),Qr[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),Qr[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),Qr[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),Qr[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),Qr[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),Qr[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),Qr[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(Qr)),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}toJSON(){return{min:this.min.toArray(),max:this.max.toArray()}}fromJSON(t){return this.min.fromArray(t.min),this.max.fromArray(t.max),this}}const Qr=[new As,new As,new As,new As,new As,new As,new As,new As],Kr=new As,tn=new $r,en=new As,sn=new As,rn=new As,nn=new As,an=new As,on=new As,hn=new As,ln=new As,cn=new As,un=new As;function dn(t,e,i,s,r){for(let n=0,a=t.length-3;n<=a;n+=3){un.fromArray(t,n);const a=r.x*Math.abs(un.x)+r.y*Math.abs(un.y)+r.z*Math.abs(un.z),o=e.dot(un),h=i.dot(un),l=s.dot(un);if(Math.max(-Math.max(o,h,l),Math.min(o,h,l))>a)return!1}return!0}const pn=mn();function mn(){const t=new ArrayBuffer(4),e=new Float32Array(t),i=new Uint32Array(t),s=new Uint32Array(512),r=new Uint32Array(512);for(let t=0;t<256;++t){const e=t-127;e<-27?(s[t]=0,s[256|t]=32768,r[t]=24,r[256|t]=24):e<-14?(s[t]=1024>>-e-14,s[256|t]=1024>>-e-14|32768,r[t]=-e-1,r[256|t]=-e-1):e<=15?(s[t]=e+15<<10,s[256|t]=e+15<<10|32768,r[t]=13,r[256|t]=13):e<128?(s[t]=31744,s[256|t]=64512,r[t]=24,r[256|t]=24):(s[t]=31744,s[256|t]=64512,r[t]=13,r[256|t]=13)}const n=new Uint32Array(2048),a=new Uint32Array(64),o=new Uint32Array(64);for(let t=1;t<1024;++t){let e=t<<13,i=0;for(;!(8388608&e);)e<<=1,i-=8388608;e&=-8388609,i+=947912704,n[t]=e|i}for(let t=1024;t<2048;++t)n[t]=939524096+(t-1024<<13);for(let t=1;t<31;++t)a[t]=t<<23;a[31]=1199570944,a[32]=2147483648;for(let t=33;t<63;++t)a[t]=2147483648+(t-32<<23);a[63]=3347054592;for(let t=1;t<64;++t)32!==t&&(o[t]=1024);return{floatView:e,uint32View:i,baseTable:s,shiftTable:r,mantissaTable:n,exponentTable:a,offsetTable:o}}function yn(t){Math.abs(t)>65504&&as("DataUtils.toHalfFloat(): Value out of range."),t=fs(t,-65504,65504),pn.floatView[0]=t;const e=pn.uint32View[0],i=e>>23&511;return pn.baseTable[i]+((8388607&e)>>pn.shiftTable[i])}function gn(t){const e=t>>10;return pn.uint32View[0]=pn.mantissaTable[pn.offsetTable[e]+(1023&t)]+pn.exponentTable[e],pn.floatView[0]}class fn{static toHalfFloat(t){return yn(t)}static fromHalfFloat(t){return gn(t)}}const xn=new As,bn=new Ss;let vn=0;class wn{constructor(t,e,i=!1){if(Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,Object.defineProperty(this,"id",{value:vn++}),this.name="",this.array=t,this.itemSize=e,this.count=void 0!==t?t.length/e:0,this.normalized=i,this.usage=Oi,this.updateRanges=[],this.gpuType=Pt,this.version=0}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.name=t.name,this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.count=t.count,this.normalized=t.normalized,this.usage=t.usage,this.gpuType=t.gpuType,this}copyAt(t,e,i){t*=this.itemSize,i*=e.itemSize;for(let s=0,r=this.itemSize;s<r;s++)this.array[t+s]=e.array[i+s];return this}copyArray(t){return this.array.set(t),this}applyMatrix3(t){if(2===this.itemSize)for(let e=0,i=this.count;e<i;e++)bn.fromBufferAttribute(this,e),bn.applyMatrix3(t),this.setXY(e,bn.x,bn.y);else if(3===this.itemSize)for(let e=0,i=this.count;e<i;e++)xn.fromBufferAttribute(this,e),xn.applyMatrix3(t),this.setXYZ(e,xn.x,xn.y,xn.z);return this}applyMatrix4(t){for(let e=0,i=this.count;e<i;e++)xn.fromBufferAttribute(this,e),xn.applyMatrix4(t),this.setXYZ(e,xn.x,xn.y,xn.z);return this}applyNormalMatrix(t){for(let e=0,i=this.count;e<i;e++)xn.fromBufferAttribute(this,e),xn.applyNormalMatrix(t),this.setXYZ(e,xn.x,xn.y,xn.z);return this}transformDirection(t){for(let e=0,i=this.count;e<i;e++)xn.fromBufferAttribute(this,e),xn.transformDirection(t),this.setXYZ(e,xn.x,xn.y,xn.z);return this}set(t,e=0){return this.array.set(t,e),this}getComponent(t,e){let i=this.array[t*this.itemSize+e];return this.normalized&&(i=vs(i,this.array)),i}setComponent(t,e,i){return this.normalized&&(i=ws(i,this.array)),this.array[t*this.itemSize+e]=i,this}getX(t){let e=this.array[t*this.itemSize];return this.normalized&&(e=vs(e,this.array)),e}setX(t,e){return this.normalized&&(e=ws(e,this.array)),this.array[t*this.itemSize]=e,this}getY(t){let e=this.array[t*this.itemSize+1];return this.normalized&&(e=vs(e,this.array)),e}setY(t,e){return this.normalized&&(e=ws(e,this.array)),this.array[t*this.itemSize+1]=e,this}getZ(t){let e=this.array[t*this.itemSize+2];return this.normalized&&(e=vs(e,this.array)),e}setZ(t,e){return this.normalized&&(e=ws(e,this.array)),this.array[t*this.itemSize+2]=e,this}getW(t){let e=this.array[t*this.itemSize+3];return this.normalized&&(e=vs(e,this.array)),e}setW(t,e){return this.normalized&&(e=ws(e,this.array)),this.array[t*this.itemSize+3]=e,this}setXY(t,e,i){return t*=this.itemSize,this.normalized&&(e=ws(e,this.array),i=ws(i,this.array)),this.array[t+0]=e,this.array[t+1]=i,this}setXYZ(t,e,i,s){return t*=this.itemSize,this.normalized&&(e=ws(e,this.array),i=ws(i,this.array),s=ws(s,this.array)),this.array[t+0]=e,this.array[t+1]=i,this.array[t+2]=s,this}setXYZW(t,e,i,s,r){return t*=this.itemSize,this.normalized&&(e=ws(e,this.array),i=ws(i,this.array),s=ws(s,this.array),r=ws(r,this.array)),this.array[t+0]=e,this.array[t+1]=i,this.array[t+2]=s,this.array[t+3]=r,this}onUpload(t){return this.onUploadCallback=t,this}clone(){return new this.constructor(this.array,this.itemSize).copy(this)}toJSON(){const t={itemSize:this.itemSize,type:this.array.constructor.name,array:Array.from(this.array),normalized:this.normalized};return""!==this.name&&(t.name=this.name),this.usage!==Oi&&(t.usage=this.usage),t}}class Mn extends wn{constructor(t,e,i){super(new Int8Array(t),e,i)}}class Sn extends wn{constructor(t,e,i){super(new Uint8Array(t),e,i)}}class _n extends wn{constructor(t,e,i){super(new Uint8ClampedArray(t),e,i)}}class An extends wn{constructor(t,e,i){super(new Int16Array(t),e,i)}}class Tn extends wn{constructor(t,e,i){super(new Uint16Array(t),e,i)}}class zn extends wn{constructor(t,e,i){super(new Int32Array(t),e,i)}}class Cn extends wn{constructor(t,e,i){super(new Uint32Array(t),e,i)}}class In extends wn{constructor(t,e,i){super(new Uint16Array(t),e,i),this.isFloat16BufferAttribute=!0}getX(t){let e=gn(this.array[t*this.itemSize]);return this.normalized&&(e=vs(e,this.array)),e}setX(t,e){return this.normalized&&(e=ws(e,this.array)),this.array[t*this.itemSize]=yn(e),this}getY(t){let e=gn(this.array[t*this.itemSize+1]);return this.normalized&&(e=vs(e,this.array)),e}setY(t,e){return this.normalized&&(e=ws(e,this.array)),this.array[t*this.itemSize+1]=yn(e),this}getZ(t){let e=gn(this.array[t*this.itemSize+2]);return this.normalized&&(e=vs(e,this.array)),e}setZ(t,e){return this.normalized&&(e=ws(e,this.array)),this.array[t*this.itemSize+2]=yn(e),this}getW(t){let e=gn(this.array[t*this.itemSize+3]);return this.normalized&&(e=vs(e,this.array)),e}setW(t,e){return this.normalized&&(e=ws(e,this.array)),this.array[t*this.itemSize+3]=yn(e),this}setXY(t,e,i){return t*=this.itemSize,this.normalized&&(e=ws(e,this.array),i=ws(i,this.array)),this.array[t+0]=yn(e),this.array[t+1]=yn(i),this}setXYZ(t,e,i,s){return t*=this.itemSize,this.normalized&&(e=ws(e,this.array),i=ws(i,this.array),s=ws(s,this.array)),this.array[t+0]=yn(e),this.array[t+1]=yn(i),this.array[t+2]=yn(s),this}setXYZW(t,e,i,s,r){return t*=this.itemSize,this.normalized&&(e=ws(e,this.array),i=ws(i,this.array),s=ws(s,this.array),r=ws(r,this.array)),this.array[t+0]=yn(e),this.array[t+1]=yn(i),this.array[t+2]=yn(s),this.array[t+3]=yn(r),this}}class kn extends wn{constructor(t,e,i){super(new Float32Array(t),e,i)}}const Bn=new $r,On=new As,Pn=new As;class Rn{constructor(t=new As,e=-1){this.isSphere=!0,this.center=t,this.radius=e}set(t,e){return this.center.copy(t),this.radius=e,this}setFromPoints(t,e){const i=this.center;void 0!==e?i.copy(e):Bn.setFromPoints(t).getCenter(i);let s=0;for(let e=0,r=t.length;e<r;e++)s=Math.max(s,i.distanceToSquared(t[e]));return this.radius=Math.sqrt(s),this}copy(t){return this.center.copy(t.center),this.radius=t.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(t){return t.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(t){return t.distanceTo(this.center)-this.radius}intersectsSphere(t){const e=this.radius+t.radius;return t.center.distanceToSquared(this.center)<=e*e}intersectsBox(t){return t.intersectsSphere(this)}intersectsPlane(t){return Math.abs(t.distanceToPoint(this.center))<=this.radius}clampPoint(t,e){const i=this.center.distanceToSquared(t);return e.copy(t),i>this.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e}getBoundingBox(t){return this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)}applyMatrix4(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this}translate(t){return this.center.add(t),this}expandByPoint(t){if(this.isEmpty())return this.center.copy(t),this.radius=0,this;On.subVectors(t,this.center);const e=On.lengthSq();if(e>this.radius*this.radius){const t=Math.sqrt(e),i=.5*(t-this.radius);this.center.addScaledVector(On,i/t),this.radius+=i}return this}union(t){return t.isEmpty()?this:this.isEmpty()?(this.copy(t),this):(!0===this.center.equals(t.center)?this.radius=Math.max(this.radius,t.radius):(Pn.subVectors(t.center,this.center).setLength(t.radius),this.expandByPoint(On.copy(t.center).add(Pn)),this.expandByPoint(On.copy(t.center).sub(Pn))),this)}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return(new this.constructor).copy(this)}toJSON(){return{radius:this.radius,center:this.center.toArray()}}fromJSON(t){return this.radius=t.radius,this.center.fromArray(t.center),this}}let Nn=0;const Vn=new $s,En=new _r,Fn=new As,Ln=new $r,jn=new $r,Dn=new As;class Wn extends us{constructor(){super(),this.isBufferGeometry=!0,Object.defineProperty(this,"id",{value:Nn++}),this.uuid=gs(),this.name="",this.type="BufferGeometry",this.index=null,this.indirect=null,this.indirectOffset=0,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={}}getIndex(){return this.index}setIndex(t){return Array.isArray(t)?this.index=new(function(t){for(let e=t.length-1;e>=0;--e)if(t[e]>=65535)return!0;return!1}(t)?Cn:Tn)(t,1):this.index=t,this}setIndirect(t,e=0){return this.indirect=t,this.indirectOffset=e,this}getIndirect(){return this.indirect}getAttribute(t){return this.attributes[t]}setAttribute(t,e){return this.attributes[t]=e,this}deleteAttribute(t){return delete this.attributes[t],this}hasAttribute(t){return void 0!==this.attributes[t]}addGroup(t,e,i=0){this.groups.push({start:t,count:e,materialIndex:i})}clearGroups(){this.groups=[]}setDrawRange(t,e){this.drawRange.start=t,this.drawRange.count=e}applyMatrix4(t){const e=this.attributes.position;void 0!==e&&(e.applyMatrix4(t),e.needsUpdate=!0);const i=this.attributes.normal;if(void 0!==i){const e=(new Cs).getNormalMatrix(t);i.applyNormalMatrix(e),i.needsUpdate=!0}const s=this.attributes.tangent;return void 0!==s&&(s.transformDirection(t),s.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this}applyQuaternion(t){return Vn.makeRotationFromQuaternion(t),this.applyMatrix4(Vn),this}rotateX(t){return Vn.makeRotationX(t),this.applyMatrix4(Vn),this}rotateY(t){return Vn.makeRotationY(t),this.applyMatrix4(Vn),this}rotateZ(t){return Vn.makeRotationZ(t),this.applyMatrix4(Vn),this}translate(t,e,i){return Vn.makeTranslation(t,e,i),this.applyMatrix4(Vn),this}scale(t,e,i){return Vn.makeScale(t,e,i),this.applyMatrix4(Vn),this}lookAt(t){return En.lookAt(t),En.updateMatrix(),this.applyMatrix4(En.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(Fn).negate(),this.translate(Fn.x,Fn.y,Fn.z),this}setFromPoints(t){const e=this.getAttribute("position");if(void 0===e){const e=[];for(let i=0,s=t.length;i<s;i++){const s=t[i];e.push(s.x,s.y,s.z||0)}this.setAttribute("position",new kn(e,3))}else{const i=Math.min(t.length,e.count);for(let s=0;s<i;s++){const i=t[s];e.setXYZ(s,i.x,i.y,i.z||0)}t.length>e.count&&as("BufferGeometry: Buffer size too small for points data. Use .dispose() and create a new geometry."),e.needsUpdate=!0}return this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new $r);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return os("BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box.",this),void this.boundingBox.set(new As(-1/0,-1/0,-1/0),new As(1/0,1/0,1/0));if(void 0!==t){if(this.boundingBox.setFromBufferAttribute(t),e)for(let t=0,i=e.length;t<i;t++){const i=e[t];Ln.setFromBufferAttribute(i),this.morphTargetsRelative?(Dn.addVectors(this.boundingBox.min,Ln.min),this.boundingBox.expandByPoint(Dn),Dn.addVectors(this.boundingBox.max,Ln.max),this.boundingBox.expandByPoint(Dn)):(this.boundingBox.expandByPoint(Ln.min),this.boundingBox.expandByPoint(Ln.max))}}else this.boundingBox.makeEmpty();(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&os('BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)}computeBoundingSphere(){null===this.boundingSphere&&(this.boundingSphere=new Rn);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return os("BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere.",this),void this.boundingSphere.set(new As,1/0);if(t){const i=this.boundingSphere.center;if(Ln.setFromBufferAttribute(t),e)for(let t=0,i=e.length;t<i;t++){const i=e[t];jn.setFromBufferAttribute(i),this.morphTargetsRelative?(Dn.addVectors(Ln.min,jn.min),Ln.expandByPoint(Dn),Dn.addVectors(Ln.max,jn.max),Ln.expandByPoint(Dn)):(Ln.expandByPoint(jn.min),Ln.expandByPoint(jn.max))}Ln.getCenter(i);let s=0;for(let e=0,r=t.count;e<r;e++)Dn.fromBufferAttribute(t,e),s=Math.max(s,i.distanceToSquared(Dn));if(e)for(let r=0,n=e.length;r<n;r++){const n=e[r],a=this.morphTargetsRelative;for(let e=0,r=n.count;e<r;e++)Dn.fromBufferAttribute(n,e),a&&(Fn.fromBufferAttribute(t,e),Dn.add(Fn)),s=Math.max(s,i.distanceToSquared(Dn))}this.boundingSphere.radius=Math.sqrt(s),isNaN(this.boundingSphere.radius)&&os('BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}}computeTangents(){const t=this.index,e=this.attributes;if(null===t||void 0===e.position||void 0===e.normal||void 0===e.uv)return void os("BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");const i=e.position,s=e.normal,r=e.uv;!1===this.hasAttribute("tangent")&&this.setAttribute("tangent",new wn(new Float32Array(4*i.count),4));const n=this.getAttribute("tangent"),a=[],o=[];for(let t=0;t<i.count;t++)a[t]=new As,o[t]=new As;const h=new As,l=new As,c=new As,u=new Ss,d=new Ss,p=new Ss,m=new As,y=new As;function g(t,e,s){h.fromBufferAttribute(i,t),l.fromBufferAttribute(i,e),c.fromBufferAttribute(i,s),u.fromBufferAttribute(r,t),d.fromBufferAttribute(r,e),p.fromBufferAttribute(r,s),l.sub(h),c.sub(h),d.sub(u),p.sub(u);const n=1/(d.x*p.y-p.x*d.y);isFinite(n)&&(m.copy(l).multiplyScalar(p.y).addScaledVector(c,-d.y).multiplyScalar(n),y.copy(c).multiplyScalar(d.x).addScaledVector(l,-p.x).multiplyScalar(n),a[t].add(m),a[e].add(m),a[s].add(m),o[t].add(y),o[e].add(y),o[s].add(y))}let f=this.groups;0===f.length&&(f=[{start:0,count:t.count}]);for(let e=0,i=f.length;e<i;++e){const i=f[e],s=i.start;for(let e=s,r=s+i.count;e<r;e+=3)g(t.getX(e+0),t.getX(e+1),t.getX(e+2))}const x=new As,b=new As,v=new As,w=new As;function M(t){v.fromBufferAttribute(s,t),w.copy(v);const e=a[t];x.copy(e),x.sub(v.multiplyScalar(v.dot(e))).normalize(),b.crossVectors(w,e);const i=b.dot(o[t])<0?-1:1;n.setXYZW(t,x.x,x.y,x.z,i)}for(let e=0,i=f.length;e<i;++e){const i=f[e],s=i.start;for(let e=s,r=s+i.count;e<r;e+=3)M(t.getX(e+0)),M(t.getX(e+1)),M(t.getX(e+2))}}computeVertexNormals(){const t=this.index,e=this.getAttribute("position");if(void 0!==e){let i=this.getAttribute("normal");if(void 0===i)i=new wn(new Float32Array(3*e.count),3),this.setAttribute("normal",i);else for(let t=0,e=i.count;t<e;t++)i.setXYZ(t,0,0,0);const s=new As,r=new As,n=new As,a=new As,o=new As,h=new As,l=new As,c=new As;if(t)for(let u=0,d=t.count;u<d;u+=3){const d=t.getX(u+0),p=t.getX(u+1),m=t.getX(u+2);s.fromBufferAttribute(e,d),r.fromBufferAttribute(e,p),n.fromBufferAttribute(e,m),l.subVectors(n,r),c.subVectors(s,r),l.cross(c),a.fromBufferAttribute(i,d),o.fromBufferAttribute(i,p),h.fromBufferAttribute(i,m),a.add(l),o.add(l),h.add(l),i.setXYZ(d,a.x,a.y,a.z),i.setXYZ(p,o.x,o.y,o.z),i.setXYZ(m,h.x,h.y,h.z)}else for(let t=0,a=e.count;t<a;t+=3)s.fromBufferAttribute(e,t+0),r.fromBufferAttribute(e,t+1),n.fromBufferAttribute(e,t+2),l.subVectors(n,r),c.subVectors(s,r),l.cross(c),i.setXYZ(t+0,l.x,l.y,l.z),i.setXYZ(t+1,l.x,l.y,l.z),i.setXYZ(t+2,l.x,l.y,l.z);this.normalizeNormals(),i.needsUpdate=!0}}normalizeNormals(){const t=this.attributes.normal;for(let e=0,i=t.count;e<i;e++)Dn.fromBufferAttribute(t,e),Dn.normalize(),t.setXYZ(e,Dn.x,Dn.y,Dn.z)}toNonIndexed(){function t(t,e){const i=t.array,s=t.itemSize,r=t.normalized,n=new i.constructor(e.length*s);let a=0,o=0;for(let r=0,h=e.length;r<h;r++){a=t.isInterleavedBufferAttribute?e[r]*t.data.stride+t.offset:e[r]*s;for(let t=0;t<s;t++)n[o++]=i[a++]}return new wn(n,s,r)}if(null===this.index)return as("BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;const e=new Wn,i=this.index.array,s=this.attributes;for(const r in s){const n=t(s[r],i);e.setAttribute(r,n)}const r=this.morphAttributes;for(const s in r){const n=[],a=r[s];for(let e=0,s=a.length;e<s;e++){const s=t(a[e],i);n.push(s)}e.morphAttributes[s]=n}e.morphTargetsRelative=this.morphTargetsRelative;const n=this.groups;for(let t=0,i=n.length;t<i;t++){const i=n[t];e.addGroup(i.start,i.count,i.materialIndex)}return e}toJSON(){const t={metadata:{version:4.7,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(t.uuid=this.uuid,t.type=this.type,""!==this.name&&(t.name=this.name),Object.keys(this.userData).length>0&&(t.userData=this.userData),void 0!==this.parameters){const e=this.parameters;for(const i in e)void 0!==e[i]&&(t[i]=e[i]);return t}t.data={attributes:{}};const e=this.index;null!==e&&(t.data.index={type:e.array.constructor.name,array:Array.prototype.slice.call(e.array)});const i=this.attributes;for(const e in i){const s=i[e];t.data.attributes[e]=s.toJSON(t.data)}const s={};let r=!1;for(const e in this.morphAttributes){const i=this.morphAttributes[e],n=[];for(let e=0,s=i.length;e<s;e++){const s=i[e];n.push(s.toJSON(t.data))}n.length>0&&(s[e]=n,r=!0)}r&&(t.data.morphAttributes=s,t.data.morphTargetsRelative=this.morphTargetsRelative);const n=this.groups;n.length>0&&(t.data.groups=JSON.parse(JSON.stringify(n)));const a=this.boundingSphere;return null!==a&&(t.data.boundingSphere=a.toJSON()),t}clone(){return(new this.constructor).copy(this)}copy(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const e={};this.name=t.name;const i=t.index;null!==i&&this.setIndex(i.clone());const s=t.attributes;for(const t in s){const i=s[t];this.setAttribute(t,i.clone(e))}const r=t.morphAttributes;for(const t in r){const i=[],s=r[t];for(let t=0,r=s.length;t<r;t++)i.push(s[t].clone(e));this.morphAttributes[t]=i}this.morphTargetsRelative=t.morphTargetsRelative;const n=t.groups;for(let t=0,e=n.length;t<e;t++){const e=n[t];this.addGroup(e.start,e.count,e.materialIndex)}const a=t.boundingBox;null!==a&&(this.boundingBox=a.clone());const o=t.boundingSphere;return null!==o&&(this.boundingSphere=o.clone()),this.drawRange.start=t.drawRange.start,this.drawRange.count=t.drawRange.count,this.userData=t.userData,this}dispose(){this.dispatchEvent({type:"dispose"})}}class Un{constructor(t,e){this.isInterleavedBuffer=!0,this.array=t,this.stride=e,this.count=void 0!==t?t.length/e:0,this.usage=Oi,this.updateRanges=[],this.version=0,this.uuid=gs()}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}setUsage(t){return this.usage=t,this}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}copy(t){return this.array=new t.array.constructor(t.array),this.count=t.count,this.stride=t.stride,this.usage=t.usage,this}copyAt(t,e,i){t*=this.stride,i*=e.stride;for(let s=0,r=this.stride;s<r;s++)this.array[t+s]=e.array[i+s];return this}set(t,e=0){return this.array.set(t,e),this}clone(t){void 0===t.arrayBuffers&&(t.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=gs()),void 0===t.arrayBuffers[this.array.buffer._uuid]&&(t.arrayBuffers[this.array.buffer._uuid]=this.array.slice(0).buffer);const e=new this.array.constructor(t.arrayBuffers[this.array.buffer._uuid]),i=new this.constructor(e,this.stride);return i.setUsage(this.usage),i}onUpload(t){return this.onUploadCallback=t,this}toJSON(t){return void 0===t.arrayBuffers&&(t.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=gs()),void 0===t.arrayBuffers[this.array.buffer._uuid]&&(t.arrayBuffers[this.array.buffer._uuid]=Array.from(new Uint32Array(this.array.buffer))),{uuid:this.uuid,buffer:this.array.buffer._uuid,type:this.array.constructor.name,stride:this.stride}}}const Jn=new As;class qn{constructor(t,e,i,s=!1){this.isInterleavedBufferAttribute=!0,this.name="",this.data=t,this.itemSize=e,this.offset=i,this.normalized=s}get count(){return this.data.count}get array(){return this.data.array}set needsUpdate(t){this.data.needsUpdate=t}applyMatrix4(t){for(let e=0,i=this.data.count;e<i;e++)Jn.fromBufferAttribute(this,e),Jn.applyMatrix4(t),this.setXYZ(e,Jn.x,Jn.y,Jn.z);return this}applyNormalMatrix(t){for(let e=0,i=this.count;e<i;e++)Jn.fromBufferAttribute(this,e),Jn.applyNormalMatrix(t),this.setXYZ(e,Jn.x,Jn.y,Jn.z);return this}transformDirection(t){for(let e=0,i=this.count;e<i;e++)Jn.fromBufferAttribute(this,e),Jn.transformDirection(t),this.setXYZ(e,Jn.x,Jn.y,Jn.z);return this}getComponent(t,e){let i=this.array[t*this.data.stride+this.offset+e];return this.normalized&&(i=vs(i,this.array)),i}setComponent(t,e,i){return this.normalized&&(i=ws(i,this.array)),this.data.array[t*this.data.stride+this.offset+e]=i,this}setX(t,e){return this.normalized&&(e=ws(e,this.array)),this.data.array[t*this.data.stride+this.offset]=e,this}setY(t,e){return this.normalized&&(e=ws(e,this.array)),this.data.array[t*this.data.stride+this.offset+1]=e,this}setZ(t,e){return this.normalized&&(e=ws(e,this.array)),this.data.array[t*this.data.stride+this.offset+2]=e,this}setW(t,e){return this.normalized&&(e=ws(e,this.array)),this.data.array[t*this.data.stride+this.offset+3]=e,this}getX(t){let e=this.data.array[t*this.data.stride+this.offset];return this.normalized&&(e=vs(e,this.array)),e}getY(t){let e=this.data.array[t*this.data.stride+this.offset+1];return this.normalized&&(e=vs(e,this.array)),e}getZ(t){let e=this.data.array[t*this.data.stride+this.offset+2];return this.normalized&&(e=vs(e,this.array)),e}getW(t){let e=this.data.array[t*this.data.stride+this.offset+3];return this.normalized&&(e=vs(e,this.array)),e}setXY(t,e,i){return t=t*this.data.stride+this.offset,this.normalized&&(e=ws(e,this.array),i=ws(i,this.array)),this.data.array[t+0]=e,this.data.array[t+1]=i,this}setXYZ(t,e,i,s){return t=t*this.data.stride+this.offset,this.normalized&&(e=ws(e,this.array),i=ws(i,this.array),s=ws(s,this.array)),this.data.array[t+0]=e,this.data.array[t+1]=i,this.data.array[t+2]=s,this}setXYZW(t,e,i,s,r){return t=t*this.data.stride+this.offset,this.normalized&&(e=ws(e,this.array),i=ws(i,this.array),s=ws(s,this.array),r=ws(r,this.array)),this.data.array[t+0]=e,this.data.array[t+1]=i,this.data.array[t+2]=s,this.data.array[t+3]=r,this}clone(t){if(void 0===t){rs("InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will de-interleave buffer data.");const t=[];for(let e=0;e<this.count;e++){const i=e*this.data.stride+this.offset;for(let e=0;e<this.itemSize;e++)t.push(this.data.array[i+e])}return new wn(new this.array.constructor(t),this.itemSize,this.normalized)}return void 0===t.interleavedBuffers&&(t.interleavedBuffers={}),void 0===t.interleavedBuffers[this.data.uuid]&&(t.interleavedBuffers[this.data.uuid]=this.data.clone(t)),new qn(t.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized)}toJSON(t){if(void 0===t){rs("InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will de-interleave buffer data.");const t=[];for(let e=0;e<this.count;e++){const i=e*this.data.stride+this.offset;for(let e=0;e<this.itemSize;e++)t.push(this.data.array[i+e])}return{itemSize:this.itemSize,type:this.array.constructor.name,array:t,normalized:this.normalized}}return void 0===t.interleavedBuffers&&(t.interleavedBuffers={}),void 0===t.interleavedBuffers[this.data.uuid]&&(t.interleavedBuffers[this.data.uuid]=this.data.toJSON(t)),{isInterleavedBufferAttribute:!0,itemSize:this.itemSize,data:this.data.uuid,offset:this.offset,normalized:this.normalized}}}let Xn,Yn=0;class Hn extends us{constructor(){super(),this.isMaterial=!0,Object.defineProperty(this,"id",{value:Yn++}),this.uuid=gs(),this.name="",this.type="Material",this.blending=1,this.side=0,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.alphaHash=!1,this.blendSrc=204,this.blendDst=205,this.blendEquation=100,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.blendColor=new Or(0,0,0),this.blendAlpha=0,this.depthFunc=3,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=519,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=li,this.stencilZFail=li,this.stencilZPass=li,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.forceSinglePass=!1,this.allowOverride=!0,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0,this._alphaTest=0}get alphaTest(){return this._alphaTest}set alphaTest(t){this._alphaTest>0!=t>0&&this.version++,this._alphaTest=t}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(t){if(void 0!==t)for(const e in t){const i=t[e];if(void 0===i){as(`Material: parameter '${e}' has value of undefined.`);continue}const s=this[e];void 0!==s?s&&s.isColor?s.set(i):s&&s.isVector3&&i&&i.isVector3?s.copy(i):this[e]=i:as(`Material: '${e}' is not a property of THREE.${this.type}.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{}});const i={metadata:{version:4.7,type:"Material",generator:"Material.toJSON"}};function s(t){const e=[];for(const i in t){const s=t[i];delete s.metadata,e.push(s)}return e}if(i.uuid=this.uuid,i.type=this.type,""!==this.name&&(i.name=this.name),this.color&&this.color.isColor&&(i.color=this.color.getHex()),void 0!==this.roughness&&(i.roughness=this.roughness),void 0!==this.metalness&&(i.metalness=this.metalness),void 0!==this.sheen&&(i.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(i.sheenColor=this.sheenColor.getHex()),void 0!==this.sheenRoughness&&(i.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(i.emissive=this.emissive.getHex()),void 0!==this.emissiveIntensity&&1!==this.emissiveIntensity&&(i.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(i.specular=this.specular.getHex()),void 0!==this.specularIntensity&&(i.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(i.specularColor=this.specularColor.getHex()),void 0!==this.shininess&&(i.shininess=this.shininess),void 0!==this.clearcoat&&(i.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(i.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(i.clearcoatMap=this.clearcoatMap.toJSON(t).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(i.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(t).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(i.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(t).uuid,i.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.sheenColorMap&&this.sheenColorMap.isTexture&&(i.sheenColorMap=this.sheenColorMap.toJSON(t).uuid),this.sheenRoughnessMap&&this.sheenRoughnessMap.isTexture&&(i.sheenRoughnessMap=this.sheenRoughnessMap.toJSON(t).uuid),void 0!==this.dispersion&&(i.dispersion=this.dispersion),void 0!==this.iridescence&&(i.iridescence=this.iridescence),void 0!==this.iridescenceIOR&&(i.iridescenceIOR=this.iridescenceIOR),void 0!==this.iridescenceThicknessRange&&(i.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(i.iridescenceMap=this.iridescenceMap.toJSON(t).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(i.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(t).uuid),void 0!==this.anisotropy&&(i.anisotropy=this.anisotropy),void 0!==this.anisotropyRotation&&(i.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(i.anisotropyMap=this.anisotropyMap.toJSON(t).uuid),this.map&&this.map.isTexture&&(i.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(i.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(i.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(i.lightMap=this.lightMap.toJSON(t).uuid,i.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(i.aoMap=this.aoMap.toJSON(t).uuid,i.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(i.bumpMap=this.bumpMap.toJSON(t).uuid,i.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(i.normalMap=this.normalMap.toJSON(t).uuid,i.normalMapType=this.normalMapType,i.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(i.displacementMap=this.displacementMap.toJSON(t).uuid,i.displacementScale=this.displacementScale,i.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(i.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(i.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(i.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(i.specularMap=this.specularMap.toJSON(t).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(i.specularIntensityMap=this.specularIntensityMap.toJSON(t).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(i.specularColorMap=this.specularColorMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(i.envMap=this.envMap.toJSON(t).uuid,void 0!==this.combine&&(i.combine=this.combine)),void 0!==this.envMapRotation&&(i.envMapRotation=this.envMapRotation.toArray()),void 0!==this.envMapIntensity&&(i.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(i.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(i.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(i.gradientMap=this.gradientMap.toJSON(t).uuid),void 0!==this.transmission&&(i.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(i.transmissionMap=this.transmissionMap.toJSON(t).uuid),void 0!==this.thickness&&(i.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(i.thicknessMap=this.thicknessMap.toJSON(t).uuid),void 0!==this.attenuationDistance&&this.attenuationDistance!==1/0&&(i.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationColor&&(i.attenuationColor=this.attenuationColor.getHex()),void 0!==this.size&&(i.size=this.size),null!==this.shadowSide&&(i.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(i.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(i.blending=this.blending),0!==this.side&&(i.side=this.side),!0===this.vertexColors&&(i.vertexColors=!0),this.opacity<1&&(i.opacity=this.opacity),!0===this.transparent&&(i.transparent=!0),204!==this.blendSrc&&(i.blendSrc=this.blendSrc),205!==this.blendDst&&(i.blendDst=this.blendDst),100!==this.blendEquation&&(i.blendEquation=this.blendEquation),null!==this.blendSrcAlpha&&(i.blendSrcAlpha=this.blendSrcAlpha),null!==this.blendDstAlpha&&(i.blendDstAlpha=this.blendDstAlpha),null!==this.blendEquationAlpha&&(i.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(i.blendColor=this.blendColor.getHex()),0!==this.blendAlpha&&(i.blendAlpha=this.blendAlpha),3!==this.depthFunc&&(i.depthFunc=this.depthFunc),!1===this.depthTest&&(i.depthTest=this.depthTest),!1===this.depthWrite&&(i.depthWrite=this.depthWrite),!1===this.colorWrite&&(i.colorWrite=this.colorWrite),255!==this.stencilWriteMask&&(i.stencilWriteMask=this.stencilWriteMask),519!==this.stencilFunc&&(i.stencilFunc=this.stencilFunc),0!==this.stencilRef&&(i.stencilRef=this.stencilRef),255!==this.stencilFuncMask&&(i.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==li&&(i.stencilFail=this.stencilFail),this.stencilZFail!==li&&(i.stencilZFail=this.stencilZFail),this.stencilZPass!==li&&(i.stencilZPass=this.stencilZPass),!0===this.stencilWrite&&(i.stencilWrite=this.stencilWrite),void 0!==this.rotation&&0!==this.rotation&&(i.rotation=this.rotation),!0===this.polygonOffset&&(i.polygonOffset=!0),0!==this.polygonOffsetFactor&&(i.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(i.polygonOffsetUnits=this.polygonOffsetUnits),void 0!==this.linewidth&&1!==this.linewidth&&(i.linewidth=this.linewidth),void 0!==this.dashSize&&(i.dashSize=this.dashSize),void 0!==this.gapSize&&(i.gapSize=this.gapSize),void 0!==this.scale&&(i.scale=this.scale),!0===this.dithering&&(i.dithering=!0),this.alphaTest>0&&(i.alphaTest=this.alphaTest),!0===this.alphaHash&&(i.alphaHash=!0),!0===this.alphaToCoverage&&(i.alphaToCoverage=!0),!0===this.premultipliedAlpha&&(i.premultipliedAlpha=!0),!0===this.forceSinglePass&&(i.forceSinglePass=!0),!1===this.allowOverride&&(i.allowOverride=!1),!0===this.wireframe&&(i.wireframe=!0),this.wireframeLinewidth>1&&(i.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(i.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(i.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(i.flatShading=!0),!1===this.visible&&(i.visible=!1),!1===this.toneMapped&&(i.toneMapped=!1),!1===this.fog&&(i.fog=!1),Object.keys(this.userData).length>0&&(i.userData=this.userData),e){const e=s(t.textures),r=s(t.images);e.length>0&&(i.textures=e),r.length>0&&(i.images=r)}return i}clone(){return(new this.constructor).copy(this)}copy(t){this.name=t.name,this.blending=t.blending,this.side=t.side,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.blendColor.copy(t.blendColor),this.blendAlpha=t.blendAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;const e=t.clippingPlanes;let i=null;if(null!==e){const t=e.length;i=new Array(t);for(let s=0;s!==t;++s)i[s]=e[s].clone()}return this.clippingPlanes=i,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.alphaHash=t.alphaHash,this.alphaToCoverage=t.alphaToCoverage,this.premultipliedAlpha=t.premultipliedAlpha,this.forceSinglePass=t.forceSinglePass,this.allowOverride=t.allowOverride,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(t){!0===t&&this.version++}}class Zn extends Hn{constructor(t){super(),this.isSpriteMaterial=!0,this.type="SpriteMaterial",this.color=new Or(16777215),this.map=null,this.alphaMap=null,this.rotation=0,this.sizeAttenuation=!0,this.transparent=!0,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.alphaMap=t.alphaMap,this.rotation=t.rotation,this.sizeAttenuation=t.sizeAttenuation,this.fog=t.fog,this}}const Gn=new As,$n=new As,Qn=new As,Kn=new Ss,ta=new Ss,ea=new $s,ia=new As,sa=new As,ra=new As,na=new Ss,aa=new Ss,oa=new Ss;class ha extends _r{constructor(t=new Zn){if(super(),this.isSprite=!0,this.type="Sprite",void 0===Xn){Xn=new Wn;const t=new Float32Array([-.5,-.5,0,0,0,.5,-.5,0,1,0,.5,.5,0,1,1,-.5,.5,0,0,1]),e=new Un(t,5);Xn.setIndex([0,1,2,0,2,3]),Xn.setAttribute("position",new qn(e,3,0,!1)),Xn.setAttribute("uv",new qn(e,2,3,!1))}this.geometry=Xn,this.material=t,this.center=new Ss(.5,.5),this.count=1}raycast(t,e){null===t.camera&&os('Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.'),$n.setFromMatrixScale(this.matrixWorld),ea.copy(t.camera.matrixWorld),this.modelViewMatrix.multiplyMatrices(t.camera.matrixWorldInverse,this.matrixWorld),Qn.setFromMatrixPosition(this.modelViewMatrix),t.camera.isPerspectiveCamera&&!1===this.material.sizeAttenuation&&$n.multiplyScalar(-Qn.z);const i=this.material.rotation;let s,r;0!==i&&(r=Math.cos(i),s=Math.sin(i));const n=this.center;la(ia.set(-.5,-.5,0),Qn,n,$n,s,r),la(sa.set(.5,-.5,0),Qn,n,$n,s,r),la(ra.set(.5,.5,0),Qn,n,$n,s,r),na.set(0,0),aa.set(1,0),oa.set(1,1);let a=t.ray.intersectTriangle(ia,sa,ra,!1,Gn);if(null===a&&(la(sa.set(-.5,.5,0),Qn,n,$n,s,r),aa.set(0,1),a=t.ray.intersectTriangle(ia,ra,sa,!1,Gn),null===a))return;const o=t.ray.origin.distanceTo(Gn);o<t.near||o>t.far||e.push({distance:o,point:Gn.clone(),uv:Gr.getInterpolation(Gn,ia,sa,ra,na,aa,oa,new Ss),face:null,object:this})}copy(t,e){return super.copy(t,e),void 0!==t.center&&this.center.copy(t.center),this.material=t.material,this}}function la(t,e,i,s,r,n){Kn.subVectors(t,i).addScalar(.5).multiply(s),void 0!==r?(ta.x=n*Kn.x-r*Kn.y,ta.y=r*Kn.x+n*Kn.y):ta.copy(Kn),t.copy(e),t.x+=ta.x,t.y+=ta.y,t.applyMatrix4(ea)}const ca=new As,ua=new As;class da extends _r{constructor(){super(),this.isLOD=!0,this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]}}),this.autoUpdate=!0}copy(t){super.copy(t,!1);const e=t.levels;for(let t=0,i=e.length;t<i;t++){const i=e[t];this.addLevel(i.object.clone(),i.distance,i.hysteresis)}return this.autoUpdate=t.autoUpdate,this}addLevel(t,e=0,i=0){e=Math.abs(e);const s=this.levels;let r;for(r=0;r<s.length&&!(e<s[r].distance);r++);return s.splice(r,0,{distance:e,hysteresis:i,object:t}),this.add(t),this}removeLevel(t){const e=this.levels;for(let i=0;i<e.length;i++)if(e[i].distance===t){const t=e.splice(i,1);return this.remove(t[0].object),!0}return!1}getCurrentLevel(){return this._currentLevel}getObjectForDistance(t){const e=this.levels;if(e.length>0){let i,s;for(i=1,s=e.length;i<s;i++){let s=e[i].distance;if(e[i].object.visible&&(s-=s*e[i].hysteresis),t<s)break}return e[i-1].object}return null}raycast(t,e){if(this.levels.length>0){ca.setFromMatrixPosition(this.matrixWorld);const i=t.ray.origin.distanceTo(ca);this.getObjectForDistance(i).raycast(t,e)}}update(t){const e=this.levels;if(e.length>1){ca.setFromMatrixPosition(t.matrixWorld),ua.setFromMatrixPosition(this.matrixWorld);const i=ca.distanceTo(ua)/t.zoom;let s,r;for(e[0].object.visible=!0,s=1,r=e.length;s<r;s++){let t=e[s].distance;if(e[s].object.visible&&(t-=t*e[s].hysteresis),!(i>=t))break;e[s-1].object.visible=!1,e[s].object.visible=!0}for(this._currentLevel=s-1;s<r;s++)e[s].object.visible=!1}}toJSON(t){const e=super.toJSON(t);!1===this.autoUpdate&&(e.object.autoUpdate=!1),e.object.levels=[];const i=this.levels;for(let t=0,s=i.length;t<s;t++){const s=i[t];e.object.levels.push({object:s.object.uuid,distance:s.distance,hysteresis:s.hysteresis})}return e}}const pa=new As,ma=new As,ya=new As,ga=new As,fa=new As,xa=new As,ba=new As;class va{constructor(t=new As,e=new As(0,0,-1)){this.origin=t,this.direction=e}set(t,e){return this.origin.copy(t),this.direction.copy(e),this}copy(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this}at(t,e){return e.copy(this.origin).addScaledVector(this.direction,t)}lookAt(t){return this.direction.copy(t).sub(this.origin).normalize(),this}recast(t){return this.origin.copy(this.at(t,pa)),this}closestPointToPoint(t,e){e.subVectors(t,this.origin);const i=e.dot(this.direction);return i<0?e.copy(this.origin):e.copy(this.origin).addScaledVector(this.direction,i)}distanceToPoint(t){return Math.sqrt(this.distanceSqToPoint(t))}distanceSqToPoint(t){const e=pa.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):(pa.copy(this.origin).addScaledVector(this.direction,e),pa.distanceToSquared(t))}distanceSqToSegment(t,e,i,s){ma.copy(t).add(e).multiplyScalar(.5),ya.copy(e).sub(t).normalize(),ga.copy(this.origin).sub(ma);const r=.5*t.distanceTo(e),n=-this.direction.dot(ya),a=ga.dot(this.direction),o=-ga.dot(ya),h=ga.lengthSq(),l=Math.abs(1-n*n);let c,u,d,p;if(l>0)if(c=n*o-a,u=n*a-o,p=r*l,c>=0)if(u>=-p)if(u<=p){const t=1/l;c*=t,u*=t,d=c*(c+n*u+2*a)+u*(n*c+u+2*o)+h}else u=r,c=Math.max(0,-(n*u+a)),d=-c*c+u*(u+2*o)+h;else u=-r,c=Math.max(0,-(n*u+a)),d=-c*c+u*(u+2*o)+h;else u<=-p?(c=Math.max(0,-(-n*r+a)),u=c>0?-r:Math.min(Math.max(-r,-o),r),d=-c*c+u*(u+2*o)+h):u<=p?(c=0,u=Math.min(Math.max(-r,-o),r),d=u*(u+2*o)+h):(c=Math.max(0,-(n*r+a)),u=c>0?r:Math.min(Math.max(-r,-o),r),d=-c*c+u*(u+2*o)+h);else u=n>0?-r:r,c=Math.max(0,-(n*u+a)),d=-c*c+u*(u+2*o)+h;return i&&i.copy(this.origin).addScaledVector(this.direction,c),s&&s.copy(ma).addScaledVector(ya,u),d}intersectSphere(t,e){pa.subVectors(t.center,this.origin);const i=pa.dot(this.direction),s=pa.dot(pa)-i*i,r=t.radius*t.radius;if(s>r)return null;const n=Math.sqrt(r-s),a=i-n,o=i+n;return o<0?null:a<0?this.at(o,e):this.at(a,e)}intersectsSphere(t){return!(t.radius<0)&&this.distanceSqToPoint(t.center)<=t.radius*t.radius}distanceToPlane(t){const e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;const i=-(this.origin.dot(t.normal)+t.constant)/e;return i>=0?i:null}intersectPlane(t,e){const i=this.distanceToPlane(t);return null===i?null:this.at(i,e)}intersectsPlane(t){const e=t.distanceToPoint(this.origin);if(0===e)return!0;return t.normal.dot(this.direction)*e<0}intersectBox(t,e){let i,s,r,n,a,o;const h=1/this.direction.x,l=1/this.direction.y,c=1/this.direction.z,u=this.origin;return h>=0?(i=(t.min.x-u.x)*h,s=(t.max.x-u.x)*h):(i=(t.max.x-u.x)*h,s=(t.min.x-u.x)*h),l>=0?(r=(t.min.y-u.y)*l,n=(t.max.y-u.y)*l):(r=(t.max.y-u.y)*l,n=(t.min.y-u.y)*l),i>n||r>s?null:((r>i||isNaN(i))&&(i=r),(n<s||isNaN(s))&&(s=n),c>=0?(a=(t.min.z-u.z)*c,o=(t.max.z-u.z)*c):(a=(t.max.z-u.z)*c,o=(t.min.z-u.z)*c),i>o||a>s?null:((a>i||i!=i)&&(i=a),(o<s||s!=s)&&(s=o),s<0?null:this.at(i>=0?i:s,e)))}intersectsBox(t){return null!==this.intersectBox(t,pa)}intersectTriangle(t,e,i,s,r){fa.subVectors(e,t),xa.subVectors(i,t),ba.crossVectors(fa,xa);let n,a=this.direction.dot(ba);if(a>0){if(s)return null;n=1}else{if(!(a<0))return null;n=-1,a=-a}ga.subVectors(this.origin,t);const o=n*this.direction.dot(xa.crossVectors(ga,xa));if(o<0)return null;const h=n*this.direction.dot(fa.cross(ga));if(h<0)return null;if(o+h>a)return null;const l=-n*ga.dot(ba);return l<0?null:this.at(l/a,r)}applyMatrix4(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this}equals(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class wa extends Hn{constructor(t){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new Or(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new or,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}const Ma=new $s,Sa=new va,_a=new Rn,Aa=new As,Ta=new As,za=new As,Ca=new As,Ia=new As,ka=new As,Ba=new As,Oa=new As;class Pa extends _r{constructor(t=new Wn,e=new wa){super(),this.isMesh=!0,this.type="Mesh",this.geometry=t,this.material=e,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.count=1,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),void 0!==t.morphTargetInfluences&&(this.morphTargetInfluences=t.morphTargetInfluences.slice()),void 0!==t.morphTargetDictionary&&(this.morphTargetDictionary=Object.assign({},t.morphTargetDictionary)),this.material=Array.isArray(t.material)?t.material.slice():t.material,this.geometry=t.geometry,this}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const i=t[e[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=i.length;t<e;t++){const e=i[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}getVertexPosition(t,e){const i=this.geometry,s=i.attributes.position,r=i.morphAttributes.position,n=i.morphTargetsRelative;e.fromBufferAttribute(s,t);const a=this.morphTargetInfluences;if(r&&a){ka.set(0,0,0);for(let i=0,s=r.length;i<s;i++){const s=a[i],o=r[i];0!==s&&(Ia.fromBufferAttribute(o,t),n?ka.addScaledVector(Ia,s):ka.addScaledVector(Ia.sub(e),s))}e.add(ka)}return e}raycast(t,e){const i=this.geometry,s=this.material,r=this.matrixWorld;if(void 0!==s){if(null===i.boundingSphere&&i.computeBoundingSphere(),_a.copy(i.boundingSphere),_a.applyMatrix4(r),Sa.copy(t.ray).recast(t.near),!1===_a.containsPoint(Sa.origin)){if(null===Sa.intersectSphere(_a,Aa))return;if(Sa.origin.distanceToSquared(Aa)>(t.far-t.near)**2)return}Ma.copy(r).invert(),Sa.copy(t.ray).applyMatrix4(Ma),null!==i.boundingBox&&!1===Sa.intersectsBox(i.boundingBox)||this._computeIntersections(t,e,Sa)}}_computeIntersections(t,e,i){let s;const r=this.geometry,n=this.material,a=r.index,o=r.attributes.position,h=r.attributes.uv,l=r.attributes.uv1,c=r.attributes.normal,u=r.groups,d=r.drawRange;if(null!==a)if(Array.isArray(n))for(let r=0,o=u.length;r<o;r++){const o=u[r],p=n[o.materialIndex];for(let r=Math.max(o.start,d.start),n=Math.min(a.count,Math.min(o.start+o.count,d.start+d.count));r<n;r+=3){s=Ra(this,p,t,i,h,l,c,a.getX(r),a.getX(r+1),a.getX(r+2)),s&&(s.faceIndex=Math.floor(r/3),s.face.materialIndex=o.materialIndex,e.push(s))}}else{for(let r=Math.max(0,d.start),o=Math.min(a.count,d.start+d.count);r<o;r+=3){s=Ra(this,n,t,i,h,l,c,a.getX(r),a.getX(r+1),a.getX(r+2)),s&&(s.faceIndex=Math.floor(r/3),e.push(s))}}else if(void 0!==o)if(Array.isArray(n))for(let r=0,a=u.length;r<a;r++){const a=u[r],p=n[a.materialIndex];for(let r=Math.max(a.start,d.start),n=Math.min(o.count,Math.min(a.start+a.count,d.start+d.count));r<n;r+=3){s=Ra(this,p,t,i,h,l,c,r,r+1,r+2),s&&(s.faceIndex=Math.floor(r/3),s.face.materialIndex=a.materialIndex,e.push(s))}}else{for(let r=Math.max(0,d.start),a=Math.min(o.count,d.start+d.count);r<a;r+=3){s=Ra(this,n,t,i,h,l,c,r,r+1,r+2),s&&(s.faceIndex=Math.floor(r/3),e.push(s))}}}}function Ra(t,e,i,s,r,n,a,o,h,l){t.getVertexPosition(o,Ta),t.getVertexPosition(h,za),t.getVertexPosition(l,Ca);const c=function(t,e,i,s,r,n,a,o){let h;if(h=1===e.side?s.intersectTriangle(a,n,r,!0,o):s.intersectTriangle(r,n,a,0===e.side,o),null===h)return null;Oa.copy(o),Oa.applyMatrix4(t.matrixWorld);const l=i.ray.origin.distanceTo(Oa);return l<i.near||l>i.far?null:{distance:l,point:Oa.clone(),object:t}}(t,e,i,s,Ta,za,Ca,Ba);if(c){const t=new As;Gr.getBarycoord(Ba,Ta,za,Ca,t),r&&(c.uv=Gr.getInterpolatedAttribute(r,o,h,l,t,new Ss)),n&&(c.uv1=Gr.getInterpolatedAttribute(n,o,h,l,t,new Ss)),a&&(c.normal=Gr.getInterpolatedAttribute(a,o,h,l,t,new As),c.normal.dot(s.direction)>0&&c.normal.multiplyScalar(-1));const e={a:o,b:h,c:l,normal:new As,materialIndex:0};Gr.getNormal(Ta,za,Ca,e.normal),c.face=e,c.barycoord=t}return c}const Na=new As,Va=new Js,Ea=new Js,Fa=new As,La=new $s,ja=new As,Da=new Rn,Wa=new $s,Ua=new va;class Ja extends Pa{constructor(t,e){super(t,e),this.isSkinnedMesh=!0,this.type="SkinnedMesh",this.bindMode=at,this.bindMatrix=new $s,this.bindMatrixInverse=new $s,this.boundingBox=null,this.boundingSphere=null}computeBoundingBox(){const t=this.geometry;null===this.boundingBox&&(this.boundingBox=new $r),this.boundingBox.makeEmpty();const e=t.getAttribute("position");for(let t=0;t<e.count;t++)this.getVertexPosition(t,ja),this.boundingBox.expandByPoint(ja)}computeBoundingSphere(){const t=this.geometry;null===this.boundingSphere&&(this.boundingSphere=new Rn),this.boundingSphere.makeEmpty();const e=t.getAttribute("position");for(let t=0;t<e.count;t++)this.getVertexPosition(t,ja),this.boundingSphere.expandByPoint(ja)}copy(t,e){return super.copy(t,e),this.bindMode=t.bindMode,this.bindMatrix.copy(t.bindMatrix),this.bindMatrixInverse.copy(t.bindMatrixInverse),this.skeleton=t.skeleton,null!==t.boundingBox&&(this.boundingBox=t.boundingBox.clone()),null!==t.boundingSphere&&(this.boundingSphere=t.boundingSphere.clone()),this}raycast(t,e){const i=this.material,s=this.matrixWorld;void 0!==i&&(null===this.boundingSphere&&this.computeBoundingSphere(),Da.copy(this.boundingSphere),Da.applyMatrix4(s),!1!==t.ray.intersectsSphere(Da)&&(Wa.copy(s).invert(),Ua.copy(t.ray).applyMatrix4(Wa),null!==this.boundingBox&&!1===Ua.intersectsBox(this.boundingBox)||this._computeIntersections(t,e,Ua)))}getVertexPosition(t,e){return super.getVertexPosition(t,e),this.applyBoneTransform(t,e),e}bind(t,e){this.skeleton=t,void 0===e&&(this.updateMatrixWorld(!0),this.skeleton.calculateInverses(),e=this.matrixWorld),this.bindMatrix.copy(e),this.bindMatrixInverse.copy(e).invert()}pose(){this.skeleton.pose()}normalizeSkinWeights(){const t=new Js,e=this.geometry.attributes.skinWeight;for(let i=0,s=e.count;i<s;i++){t.fromBufferAttribute(e,i);const s=1/t.manhattanLength();s!==1/0?t.multiplyScalar(s):t.set(1,0,0,0),e.setXYZW(i,t.x,t.y,t.z,t.w)}}updateMatrixWorld(t){super.updateMatrixWorld(t),this.bindMode===at?this.bindMatrixInverse.copy(this.matrixWorld).invert():this.bindMode===ot?this.bindMatrixInverse.copy(this.bindMatrix).invert():as("SkinnedMesh: Unrecognized bindMode: "+this.bindMode)}applyBoneTransform(t,e){const i=this.skeleton,s=this.geometry;Va.fromBufferAttribute(s.attributes.skinIndex,t),Ea.fromBufferAttribute(s.attributes.skinWeight,t),Na.copy(e).applyMatrix4(this.bindMatrix),e.set(0,0,0);for(let t=0;t<4;t++){const s=Ea.getComponent(t);if(0!==s){const r=Va.getComponent(t);La.multiplyMatrices(i.bones[r].matrixWorld,i.boneInverses[r]),e.addScaledVector(Fa.copy(Na).applyMatrix4(La),s)}}return e.applyMatrix4(this.bindMatrixInverse)}}class qa extends _r{constructor(){super(),this.isBone=!0,this.type="Bone"}}class Xa extends Us{constructor(t=null,e=1,i=1,s,r,n,a,o,h=1003,l=1003,c,u){super(null,n,a,o,h,l,s,r,c,u),this.isDataTexture=!0,this.image={data:t,width:e,height:i},this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}const Ya=new $s,Ha=new $s;class Za{constructor(t=[],e=[]){this.uuid=gs(),this.bones=t.slice(0),this.boneInverses=e,this.boneMatrices=null,this.previousBoneMatrices=null,this.boneTexture=null,this.init()}init(){const t=this.bones,e=this.boneInverses;if(this.boneMatrices=new Float32Array(16*t.length),0===e.length)this.calculateInverses();else if(t.length!==e.length){as("Skeleton: Number of inverse bone matrices does not match amount of bones."),this.boneInverses=[];for(let t=0,e=this.bones.length;t<e;t++)this.boneInverses.push(new $s)}}calculateInverses(){this.boneInverses.length=0;for(let t=0,e=this.bones.length;t<e;t++){const e=new $s;this.bones[t]&&e.copy(this.bones[t].matrixWorld).invert(),this.boneInverses.push(e)}}pose(){for(let t=0,e=this.bones.length;t<e;t++){const e=this.bones[t];e&&e.matrixWorld.copy(this.boneInverses[t]).invert()}for(let t=0,e=this.bones.length;t<e;t++){const e=this.bones[t];e&&(e.parent&&e.parent.isBone?(e.matrix.copy(e.parent.matrixWorld).invert(),e.matrix.multiply(e.matrixWorld)):e.matrix.copy(e.matrixWorld),e.matrix.decompose(e.position,e.quaternion,e.scale))}}update(){const t=this.bones,e=this.boneInverses,i=this.boneMatrices,s=this.boneTexture;for(let s=0,r=t.length;s<r;s++){const r=t[s]?t[s].matrixWorld:Ha;Ya.multiplyMatrices(r,e[s]),Ya.toArray(i,16*s)}null!==s&&(s.needsUpdate=!0)}clone(){return new Za(this.bones,this.boneInverses)}computeBoneTexture(){let t=Math.sqrt(4*this.bones.length);t=4*Math.ceil(t/4),t=Math.max(t,4);const e=new Float32Array(t*t*4);e.set(this.boneMatrices);const i=new Xa(e,t,t,Wt,Pt);return i.needsUpdate=!0,this.boneMatrices=e,this.boneTexture=i,this}getBoneByName(t){for(let e=0,i=this.bones.length;e<i;e++){const i=this.bones[e];if(i.name===t)return i}}dispose(){null!==this.boneTexture&&(this.boneTexture.dispose(),this.boneTexture=null)}fromJSON(t,e){this.uuid=t.uuid;for(let i=0,s=t.bones.length;i<s;i++){const s=t.bones[i];let r=e[s];void 0===r&&(as("Skeleton: No bone found with UUID:",s),r=new qa),this.bones.push(r),this.boneInverses.push((new $s).fromArray(t.boneInverses[i]))}return this.init(),this}toJSON(){const t={metadata:{version:4.7,type:"Skeleton",generator:"Skeleton.toJSON"},bones:[],boneInverses:[]};t.uuid=this.uuid;const e=this.bones,i=this.boneInverses;for(let s=0,r=e.length;s<r;s++){const r=e[s];t.bones.push(r.uuid);const n=i[s];t.boneInverses.push(n.toArray())}return t}}class Ga extends wn{constructor(t,e,i,s=1){super(t,e,i),this.isInstancedBufferAttribute=!0,this.meshPerAttribute=s}copy(t){return super.copy(t),this.meshPerAttribute=t.meshPerAttribute,this}toJSON(){const t=super.toJSON();return t.meshPerAttribute=this.meshPerAttribute,t.isInstancedBufferAttribute=!0,t}}const $a=new $s,Qa=new $s,Ka=[],to=new $r,eo=new $s,io=new Pa,so=new Rn;class ro extends Pa{constructor(t,e,i){super(t,e),this.isInstancedMesh=!0,this.instanceMatrix=new Ga(new Float32Array(16*i),16),this.previousInstanceMatrix=null,this.instanceColor=null,this.morphTexture=null,this.count=i,this.boundingBox=null,this.boundingSphere=null;for(let t=0;t<i;t++)this.setMatrixAt(t,eo)}computeBoundingBox(){const t=this.geometry,e=this.count;null===this.boundingBox&&(this.boundingBox=new $r),null===t.boundingBox&&t.computeBoundingBox(),this.boundingBox.makeEmpty();for(let i=0;i<e;i++)this.getMatrixAt(i,$a),to.copy(t.boundingBox).applyMatrix4($a),this.boundingBox.union(to)}computeBoundingSphere(){const t=this.geometry,e=this.count;null===this.boundingSphere&&(this.boundingSphere=new Rn),null===t.boundingSphere&&t.computeBoundingSphere(),this.boundingSphere.makeEmpty();for(let i=0;i<e;i++)this.getMatrixAt(i,$a),so.copy(t.boundingSphere).applyMatrix4($a),this.boundingSphere.union(so)}copy(t,e){return super.copy(t,e),this.instanceMatrix.copy(t.instanceMatrix),null!==t.previousInstanceMatrix&&(this.previousInstanceMatrix=t.previousInstanceMatrix.clone()),null!==t.morphTexture&&(this.morphTexture=t.morphTexture.clone()),null!==t.instanceColor&&(this.instanceColor=t.instanceColor.clone()),this.count=t.count,null!==t.boundingBox&&(this.boundingBox=t.boundingBox.clone()),null!==t.boundingSphere&&(this.boundingSphere=t.boundingSphere.clone()),this}getColorAt(t,e){e.fromArray(this.instanceColor.array,3*t)}getMatrixAt(t,e){e.fromArray(this.instanceMatrix.array,16*t)}getMorphAt(t,e){const i=e.morphTargetInfluences,s=this.morphTexture.source.data.data,r=t*(i.length+1)+1;for(let t=0;t<i.length;t++)i[t]=s[r+t]}raycast(t,e){const i=this.matrixWorld,s=this.count;if(io.geometry=this.geometry,io.material=this.material,void 0!==io.material&&(null===this.boundingSphere&&this.computeBoundingSphere(),so.copy(this.boundingSphere),so.applyMatrix4(i),!1!==t.ray.intersectsSphere(so)))for(let r=0;r<s;r++){this.getMatrixAt(r,$a),Qa.multiplyMatrices(i,$a),io.matrixWorld=Qa,io.raycast(t,Ka);for(let t=0,i=Ka.length;t<i;t++){const i=Ka[t];i.instanceId=r,i.object=this,e.push(i)}Ka.length=0}}setColorAt(t,e){null===this.instanceColor&&(this.instanceColor=new Ga(new Float32Array(3*this.instanceMatrix.count).fill(1),3)),e.toArray(this.instanceColor.array,3*t)}setMatrixAt(t,e){e.toArray(this.instanceMatrix.array,16*t)}setMorphAt(t,e){const i=e.morphTargetInfluences,s=i.length+1;null===this.morphTexture&&(this.morphTexture=new Xa(new Float32Array(s*this.count),s,this.count,qt,Pt));const r=this.morphTexture.source.data.data;let n=0;for(let t=0;t<i.length;t++)n+=i[t];const a=this.geometry.morphTargetsRelative?1:1-n,o=s*t;r[o]=a,r.set(i,o+1)}updateMorphTargets(){}dispose(){this.dispatchEvent({type:"dispose"}),null!==this.morphTexture&&(this.morphTexture.dispose(),this.morphTexture=null)}}const no=new As,ao=new As,oo=new Cs;class ho{constructor(t=new As(1,0,0),e=0){this.isPlane=!0,this.normal=t,this.constant=e}set(t,e){return this.normal.copy(t),this.constant=e,this}setComponents(t,e,i,s){return this.normal.set(t,e,i),this.constant=s,this}setFromNormalAndCoplanarPoint(t,e){return this.normal.copy(t),this.constant=-e.dot(this.normal),this}setFromCoplanarPoints(t,e,i){const s=no.subVectors(i,e).cross(ao.subVectors(t,e)).normalize();return this.setFromNormalAndCoplanarPoint(s,t),this}copy(t){return this.normal.copy(t.normal),this.constant=t.constant,this}normalize(){const t=1/this.normal.length();return this.normal.multiplyScalar(t),this.constant*=t,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(t){return this.normal.dot(t)+this.constant}distanceToSphere(t){return this.distanceToPoint(t.center)-t.radius}projectPoint(t,e){return e.copy(t).addScaledVector(this.normal,-this.distanceToPoint(t))}intersectLine(t,e){const i=t.delta(no),s=this.normal.dot(i);if(0===s)return 0===this.distanceToPoint(t.start)?e.copy(t.start):null;const r=-(t.start.dot(this.normal)+this.constant)/s;return r<0||r>1?null:e.copy(t.start).addScaledVector(i,r)}intersectsLine(t){const e=this.distanceToPoint(t.start),i=this.distanceToPoint(t.end);return e<0&&i>0||i<0&&e>0}intersectsBox(t){return t.intersectsPlane(this)}intersectsSphere(t){return t.intersectsPlane(this)}coplanarPoint(t){return t.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(t,e){const i=e||oo.getNormalMatrix(t),s=this.coplanarPoint(no).applyMatrix4(t),r=this.normal.applyMatrix3(i).normalize();return this.constant=-s.dot(r),this}translate(t){return this.constant-=t.dot(this.normal),this}equals(t){return t.normal.equals(this.normal)&&t.constant===this.constant}clone(){return(new this.constructor).copy(this)}}const lo=new Rn,co=new Ss(.5,.5),uo=new As;class po{constructor(t=new ho,e=new ho,i=new ho,s=new ho,r=new ho,n=new ho){this.planes=[t,e,i,s,r,n]}set(t,e,i,s,r,n){const a=this.planes;return a[0].copy(t),a[1].copy(e),a[2].copy(i),a[3].copy(s),a[4].copy(r),a[5].copy(n),this}copy(t){const e=this.planes;for(let i=0;i<6;i++)e[i].copy(t.planes[i]);return this}setFromProjectionMatrix(t,e=2e3,i=!1){const s=this.planes,r=t.elements,n=r[0],a=r[1],o=r[2],h=r[3],l=r[4],c=r[5],u=r[6],d=r[7],p=r[8],m=r[9],y=r[10],g=r[11],f=r[12],x=r[13],b=r[14],v=r[15];if(s[0].setComponents(h-n,d-l,g-p,v-f).normalize(),s[1].setComponents(h+n,d+l,g+p,v+f).normalize(),s[2].setComponents(h+a,d+c,g+m,v+x).normalize(),s[3].setComponents(h-a,d-c,g-m,v-x).normalize(),i)s[4].setComponents(o,u,y,b).normalize(),s[5].setComponents(h-o,d-u,g-y,v-b).normalize();else if(s[4].setComponents(h-o,d-u,g-y,v-b).normalize(),e===Ui)s[5].setComponents(h+o,d+u,g+y,v+b).normalize();else{if(e!==Ji)throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+e);s[5].setComponents(o,u,y,b).normalize()}return this}intersectsObject(t){if(void 0!==t.boundingSphere)null===t.boundingSphere&&t.computeBoundingSphere(),lo.copy(t.boundingSphere).applyMatrix4(t.matrixWorld);else{const e=t.geometry;null===e.boundingSphere&&e.computeBoundingSphere(),lo.copy(e.boundingSphere).applyMatrix4(t.matrixWorld)}return this.intersectsSphere(lo)}intersectsSprite(t){lo.center.set(0,0,0);const e=co.distanceTo(t.center);return lo.radius=.7071067811865476+e,lo.applyMatrix4(t.matrixWorld),this.intersectsSphere(lo)}intersectsSphere(t){const e=this.planes,i=t.center,s=-t.radius;for(let t=0;t<6;t++){if(e[t].distanceToPoint(i)<s)return!1}return!0}intersectsBox(t){const e=this.planes;for(let i=0;i<6;i++){const s=e[i];if(uo.x=s.normal.x>0?t.max.x:t.min.x,uo.y=s.normal.y>0?t.max.y:t.min.y,uo.z=s.normal.z>0?t.max.z:t.min.z,s.distanceToPoint(uo)<0)return!1}return!0}containsPoint(t){const e=this.planes;for(let i=0;i<6;i++)if(e[i].distanceToPoint(t)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}const mo=new $s,yo=new po;class go{constructor(){this.coordinateSystem=Ui}intersectsObject(t,e){if(!e.isArrayCamera||0===e.cameras.length)return!1;for(let i=0;i<e.cameras.length;i++){const s=e.cameras[i];if(mo.multiplyMatrices(s.projectionMatrix,s.matrixWorldInverse),yo.setFromProjectionMatrix(mo,s.coordinateSystem,s.reversedDepth),yo.intersectsObject(t))return!0}return!1}intersectsSprite(t,e){if(!e||!e.cameras||0===e.cameras.length)return!1;for(let i=0;i<e.cameras.length;i++){const s=e.cameras[i];if(mo.multiplyMatrices(s.projectionMatrix,s.matrixWorldInverse),yo.setFromProjectionMatrix(mo,s.coordinateSystem,s.reversedDepth),yo.intersectsSprite(t))return!0}return!1}intersectsSphere(t,e){if(!e||!e.cameras||0===e.cameras.length)return!1;for(let i=0;i<e.cameras.length;i++){const s=e.cameras[i];if(mo.multiplyMatrices(s.projectionMatrix,s.matrixWorldInverse),yo.setFromProjectionMatrix(mo,s.coordinateSystem,s.reversedDepth),yo.intersectsSphere(t))return!0}return!1}intersectsBox(t,e){if(!e||!e.cameras||0===e.cameras.length)return!1;for(let i=0;i<e.cameras.length;i++){const s=e.cameras[i];if(mo.multiplyMatrices(s.projectionMatrix,s.matrixWorldInverse),yo.setFromProjectionMatrix(mo,s.coordinateSystem,s.reversedDepth),yo.intersectsBox(t))return!0}return!1}containsPoint(t,e){if(!e||!e.cameras||0===e.cameras.length)return!1;for(let i=0;i<e.cameras.length;i++){const s=e.cameras[i];if(mo.multiplyMatrices(s.projectionMatrix,s.matrixWorldInverse),yo.setFromProjectionMatrix(mo,s.coordinateSystem,s.reversedDepth),yo.containsPoint(t))return!0}return!1}clone(){return new go}}function fo(t,e){return t-e}function xo(t,e){return t.z-e.z}function bo(t,e){return e.z-t.z}class vo{constructor(){this.index=0,this.pool=[],this.list=[]}push(t,e,i,s){const r=this.pool,n=this.list;this.index>=r.length&&r.push({start:-1,count:-1,z:-1,index:-1});const a=r[this.index];n.push(a),this.index++,a.start=t,a.count=e,a.z=i,a.index=s}reset(){this.list.length=0,this.index=0}}const wo=new $s,Mo=new Or(1,1,1),So=new po,_o=new go,Ao=new $r,To=new Rn,zo=new As,Co=new As,Io=new As,ko=new vo,Bo=new Pa,Oo=[];function Po(t,e,i=0){const s=e.itemSize;if(t.isInterleavedBufferAttribute||t.array.constructor!==e.array.constructor){const r=t.count;for(let n=0;n<r;n++)for(let r=0;r<s;r++)e.setComponent(n+i,r,t.getComponent(n,r))}else e.array.set(t.array,i*s);e.needsUpdate=!0}function Ro(t,e){if(t.constructor!==e.constructor){const i=Math.min(t.length,e.length);for(let s=0;s<i;s++)e[s]=t[s]}else{const i=Math.min(t.length,e.length);e.set(new t.constructor(t.buffer,0,i))}}class No extends Pa{constructor(t,e,i=2*e,s){super(new Wn,s),this.isBatchedMesh=!0,this.perObjectFrustumCulled=!0,this.sortObjects=!0,this.boundingBox=null,this.boundingSphere=null,this.customSort=null,this._instanceInfo=[],this._geometryInfo=[],this._availableInstanceIds=[],this._availableGeometryIds=[],this._nextIndexStart=0,this._nextVertexStart=0,this._geometryCount=0,this._visibilityChanged=!0,this._geometryInitialized=!1,this._maxInstanceCount=t,this._maxVertexCount=e,this._maxIndexCount=i,this._multiDrawCounts=new Int32Array(t),this._multiDrawStarts=new Int32Array(t),this._multiDrawCount=0,this._multiDrawInstances=null,this._matricesTexture=null,this._indirectTexture=null,this._colorsTexture=null,this._initMatricesTexture(),this._initIndirectTexture()}get maxInstanceCount(){return this._maxInstanceCount}get instanceCount(){return this._instanceInfo.length-this._availableInstanceIds.length}get unusedVertexCount(){return this._maxVertexCount-this._nextVertexStart}get unusedIndexCount(){return this._maxIndexCount-this._nextIndexStart}_initMatricesTexture(){let t=Math.sqrt(4*this._maxInstanceCount);t=4*Math.ceil(t/4),t=Math.max(t,4);const e=new Float32Array(t*t*4),i=new Xa(e,t,t,Wt,Pt);this._matricesTexture=i}_initIndirectTexture(){let t=Math.sqrt(this._maxInstanceCount);t=Math.ceil(t);const e=new Uint32Array(t*t),i=new Xa(e,t,t,Xt,Ot);this._indirectTexture=i}_initColorsTexture(){let t=Math.sqrt(this._maxInstanceCount);t=Math.ceil(t);const e=new Float32Array(t*t*4).fill(1),i=new Xa(e,t,t,Wt,Pt);i.colorSpace=Ps.workingColorSpace,this._colorsTexture=i}_initializeGeometry(t){const e=this.geometry,i=this._maxVertexCount,s=this._maxIndexCount;if(!1===this._geometryInitialized){for(const s in t.attributes){const r=t.getAttribute(s),{array:n,itemSize:a,normalized:o}=r,h=new n.constructor(i*a),l=new wn(h,a,o);e.setAttribute(s,l)}if(null!==t.getIndex()){const t=i>65535?new Uint32Array(s):new Uint16Array(s);e.setIndex(new wn(t,1))}this._geometryInitialized=!0}}_validateGeometry(t){const e=this.geometry;if(Boolean(t.getIndex())!==Boolean(e.getIndex()))throw new Error('THREE.BatchedMesh: All geometries must consistently have "index".');for(const i in e.attributes){if(!t.hasAttribute(i))throw new Error(`THREE.BatchedMesh: Added geometry missing "${i}". All geometries must have consistent attributes.`);const s=t.getAttribute(i),r=e.getAttribute(i);if(s.itemSize!==r.itemSize||s.normalized!==r.normalized)throw new Error("THREE.BatchedMesh: All attributes must have a consistent itemSize and normalized value.")}}validateInstanceId(t){const e=this._instanceInfo;if(t<0||t>=e.length||!1===e[t].active)throw new Error(`THREE.BatchedMesh: Invalid instanceId ${t}. Instance is either out of range or has been deleted.`)}validateGeometryId(t){const e=this._geometryInfo;if(t<0||t>=e.length||!1===e[t].active)throw new Error(`THREE.BatchedMesh: Invalid geometryId ${t}. Geometry is either out of range or has been deleted.`)}setCustomSort(t){return this.customSort=t,this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new $r);const t=this.boundingBox,e=this._instanceInfo;t.makeEmpty();for(let i=0,s=e.length;i<s;i++){if(!1===e[i].active)continue;const s=e[i].geometryIndex;this.getMatrixAt(i,wo),this.getBoundingBoxAt(s,Ao).applyMatrix4(wo),t.union(Ao)}}computeBoundingSphere(){null===this.boundingSphere&&(this.boundingSphere=new Rn);const t=this.boundingSphere,e=this._instanceInfo;t.makeEmpty();for(let i=0,s=e.length;i<s;i++){if(!1===e[i].active)continue;const s=e[i].geometryIndex;this.getMatrixAt(i,wo),this.getBoundingSphereAt(s,To).applyMatrix4(wo),t.union(To)}}addInstance(t){if(this._instanceInfo.length>=this.maxInstanceCount&&0===this._availableInstanceIds.length)throw new Error("THREE.BatchedMesh: Maximum item count reached.");const e={visible:!0,active:!0,geometryIndex:t};let i=null;this._availableInstanceIds.length>0?(this._availableInstanceIds.sort(fo),i=this._availableInstanceIds.shift(),this._instanceInfo[i]=e):(i=this._instanceInfo.length,this._instanceInfo.push(e));const s=this._matricesTexture;wo.identity().toArray(s.image.data,16*i),s.needsUpdate=!0;const r=this._colorsTexture;return r&&(Mo.toArray(r.image.data,4*i),r.needsUpdate=!0),this._visibilityChanged=!0,i}addGeometry(t,e=-1,i=-1){this._initializeGeometry(t),this._validateGeometry(t);const s={vertexStart:-1,vertexCount:-1,reservedVertexCount:-1,indexStart:-1,indexCount:-1,reservedIndexCount:-1,start:-1,count:-1,boundingBox:null,boundingSphere:null,active:!0},r=this._geometryInfo;s.vertexStart=this._nextVertexStart,s.reservedVertexCount=-1===e?t.getAttribute("position").count:e;const n=t.getIndex();if(null!==n&&(s.indexStart=this._nextIndexStart,s.reservedIndexCount=-1===i?n.count:i),-1!==s.indexStart&&s.indexStart+s.reservedIndexCount>this._maxIndexCount||s.vertexStart+s.reservedVertexCount>this._maxVertexCount)throw new Error("THREE.BatchedMesh: Reserved space request exceeds the maximum buffer size.");let a;return this._availableGeometryIds.length>0?(this._availableGeometryIds.sort(fo),a=this._availableGeometryIds.shift(),r[a]=s):(a=this._geometryCount,this._geometryCount++,r.push(s)),this.setGeometryAt(a,t),this._nextIndexStart=s.indexStart+s.reservedIndexCount,this._nextVertexStart=s.vertexStart+s.reservedVertexCount,a}setGeometryAt(t,e){if(t>=this._geometryCount)throw new Error("THREE.BatchedMesh: Maximum geometry count reached.");this._validateGeometry(e);const i=this.geometry,s=null!==i.getIndex(),r=i.getIndex(),n=e.getIndex(),a=this._geometryInfo[t];if(s&&n.count>a.reservedIndexCount||e.attributes.position.count>a.reservedVertexCount)throw new Error("THREE.BatchedMesh: Reserved space not large enough for provided geometry.");const o=a.vertexStart,h=a.reservedVertexCount;a.vertexCount=e.getAttribute("position").count;for(const t in i.attributes){const s=e.getAttribute(t),r=i.getAttribute(t);Po(s,r,o);const n=s.itemSize;for(let t=s.count,e=h;t<e;t++){const e=o+t;for(let t=0;t<n;t++)r.setComponent(e,t,0)}r.needsUpdate=!0,r.addUpdateRange(o*n,h*n)}if(s){const t=a.indexStart,i=a.reservedIndexCount;a.indexCount=e.getIndex().count;for(let e=0;e<n.count;e++)r.setX(t+e,o+n.getX(e));for(let e=n.count,s=i;e<s;e++)r.setX(t+e,o);r.needsUpdate=!0,r.addUpdateRange(t,a.reservedIndexCount)}return a.start=s?a.indexStart:a.vertexStart,a.count=s?a.indexCount:a.vertexCount,a.boundingBox=null,null!==e.boundingBox&&(a.boundingBox=e.boundingBox.clone()),a.boundingSphere=null,null!==e.boundingSphere&&(a.boundingSphere=e.boundingSphere.clone()),this._visibilityChanged=!0,t}deleteGeometry(t){const e=this._geometryInfo;if(t>=e.length||!1===e[t].active)return this;const i=this._instanceInfo;for(let e=0,s=i.length;e<s;e++)i[e].active&&i[e].geometryIndex===t&&this.deleteInstance(e);return e[t].active=!1,this._availableGeometryIds.push(t),this._visibilityChanged=!0,this}deleteInstance(t){return this.validateInstanceId(t),this._instanceInfo[t].active=!1,this._availableInstanceIds.push(t),this._visibilityChanged=!0,this}optimize(){let t=0,e=0;const i=this._geometryInfo,s=i.map((t,e)=>e).sort((t,e)=>i[t].vertexStart-i[e].vertexStart),r=this.geometry;for(let n=0,a=i.length;n<a;n++){const a=s[n],o=i[a];if(!1!==o.active){if(null!==r.index){if(o.indexStart!==e){const{indexStart:i,vertexStart:s,reservedIndexCount:n}=o,a=r.index,h=a.array,l=t-s;for(let t=i;t<i+n;t++)h[t]=h[t]+l;a.array.copyWithin(e,i,i+n),a.addUpdateRange(e,n),a.needsUpdate=!0,o.indexStart=e}e+=o.reservedIndexCount}if(o.vertexStart!==t){const{vertexStart:e,reservedVertexCount:i}=o,s=r.attributes;for(const r in s){const n=s[r],{array:a,itemSize:o}=n;a.copyWithin(t*o,e*o,(e+i)*o),n.addUpdateRange(t*o,i*o),n.needsUpdate=!0}o.vertexStart=t}t+=o.reservedVertexCount,o.start=r.index?o.indexStart:o.vertexStart}}return this._nextIndexStart=e,this._nextVertexStart=t,this._visibilityChanged=!0,this}getBoundingBoxAt(t,e){if(t>=this._geometryCount)return null;const i=this.geometry,s=this._geometryInfo[t];if(null===s.boundingBox){const t=new $r,e=i.index,r=i.attributes.position;for(let i=s.start,n=s.start+s.count;i<n;i++){let s=i;e&&(s=e.getX(s)),t.expandByPoint(zo.fromBufferAttribute(r,s))}s.boundingBox=t}return e.copy(s.boundingBox),e}getBoundingSphereAt(t,e){if(t>=this._geometryCount)return null;const i=this.geometry,s=this._geometryInfo[t];if(null===s.boundingSphere){const e=new Rn;this.getBoundingBoxAt(t,Ao),Ao.getCenter(e.center);const r=i.index,n=i.attributes.position;let a=0;for(let t=s.start,i=s.start+s.count;t<i;t++){let i=t;r&&(i=r.getX(i)),zo.fromBufferAttribute(n,i),a=Math.max(a,e.center.distanceToSquared(zo))}e.radius=Math.sqrt(a),s.boundingSphere=e}return e.copy(s.boundingSphere),e}setMatrixAt(t,e){this.validateInstanceId(t);const i=this._matricesTexture,s=this._matricesTexture.image.data;return e.toArray(s,16*t),i.needsUpdate=!0,this}getMatrixAt(t,e){return this.validateInstanceId(t),e.fromArray(this._matricesTexture.image.data,16*t)}setColorAt(t,e){return this.validateInstanceId(t),null===this._colorsTexture&&this._initColorsTexture(),e.toArray(this._colorsTexture.image.data,4*t),this._colorsTexture.needsUpdate=!0,this}getColorAt(t,e){return this.validateInstanceId(t),e.fromArray(this._colorsTexture.image.data,4*t)}setVisibleAt(t,e){return this.validateInstanceId(t),this._instanceInfo[t].visible===e||(this._instanceInfo[t].visible=e,this._visibilityChanged=!0),this}getVisibleAt(t){return this.validateInstanceId(t),this._instanceInfo[t].visible}setGeometryIdAt(t,e){return this.validateInstanceId(t),this.validateGeometryId(e),this._instanceInfo[t].geometryIndex=e,this}getGeometryIdAt(t){return this.validateInstanceId(t),this._instanceInfo[t].geometryIndex}getGeometryRangeAt(t,e={}){this.validateGeometryId(t);const i=this._geometryInfo[t];return e.vertexStart=i.vertexStart,e.vertexCount=i.vertexCount,e.reservedVertexCount=i.reservedVertexCount,e.indexStart=i.indexStart,e.indexCount=i.indexCount,e.reservedIndexCount=i.reservedIndexCount,e.start=i.start,e.count=i.count,e}setInstanceCount(t){const e=this._availableInstanceIds,i=this._instanceInfo;for(e.sort(fo);e[e.length-1]===i.length-1;)i.pop(),e.pop();if(t<i.length)throw new Error(`BatchedMesh: Instance ids outside the range ${t} are being used. Cannot shrink instance count.`);const s=new Int32Array(t),r=new Int32Array(t);Ro(this._multiDrawCounts,s),Ro(this._multiDrawStarts,r),this._multiDrawCounts=s,this._multiDrawStarts=r,this._maxInstanceCount=t;const n=this._indirectTexture,a=this._matricesTexture,o=this._colorsTexture;n.dispose(),this._initIndirectTexture(),Ro(n.image.data,this._indirectTexture.image.data),a.dispose(),this._initMatricesTexture(),Ro(a.image.data,this._matricesTexture.image.data),o&&(o.dispose(),this._initColorsTexture(),Ro(o.image.data,this._colorsTexture.image.data))}setGeometrySize(t,e){const i=[...this._geometryInfo].filter(t=>t.active);if(Math.max(...i.map(t=>t.vertexStart+t.reservedVertexCount))>t)throw new Error(`BatchedMesh: Geometry vertex values are being used outside the range ${e}. Cannot shrink further.`);if(this.geometry.index){if(Math.max(...i.map(t=>t.indexStart+t.reservedIndexCount))>e)throw new Error(`BatchedMesh: Geometry index values are being used outside the range ${e}. Cannot shrink further.`)}const s=this.geometry;s.dispose(),this._maxVertexCount=t,this._maxIndexCount=e,this._geometryInitialized&&(this._geometryInitialized=!1,this.geometry=new Wn,this._initializeGeometry(s));const r=this.geometry;s.index&&Ro(s.index.array,r.index.array);for(const t in s.attributes)Ro(s.attributes[t].array,r.attributes[t].array)}raycast(t,e){const i=this._instanceInfo,s=this._geometryInfo,r=this.matrixWorld,n=this.geometry;Bo.material=this.material,Bo.geometry.index=n.index,Bo.geometry.attributes=n.attributes,null===Bo.geometry.boundingBox&&(Bo.geometry.boundingBox=new $r),null===Bo.geometry.boundingSphere&&(Bo.geometry.boundingSphere=new Rn);for(let n=0,a=i.length;n<a;n++){if(!i[n].visible||!i[n].active)continue;const a=i[n].geometryIndex,o=s[a];Bo.geometry.setDrawRange(o.start,o.count),this.getMatrixAt(n,Bo.matrixWorld).premultiply(r),this.getBoundingBoxAt(a,Bo.geometry.boundingBox),this.getBoundingSphereAt(a,Bo.geometry.boundingSphere),Bo.raycast(t,Oo);for(let t=0,i=Oo.length;t<i;t++){const i=Oo[t];i.object=this,i.batchId=n,e.push(i)}Oo.length=0}Bo.material=null,Bo.geometry.index=null,Bo.geometry.attributes={},Bo.geometry.setDrawRange(0,1/0)}copy(t){return super.copy(t),this.geometry=t.geometry.clone(),this.perObjectFrustumCulled=t.perObjectFrustumCulled,this.sortObjects=t.sortObjects,this.boundingBox=null!==t.boundingBox?t.boundingBox.clone():null,this.boundingSphere=null!==t.boundingSphere?t.boundingSphere.clone():null,this._geometryInfo=t._geometryInfo.map(t=>({...t,boundingBox:null!==t.boundingBox?t.boundingBox.clone():null,boundingSphere:null!==t.boundingSphere?t.boundingSphere.clone():null})),this._instanceInfo=t._instanceInfo.map(t=>({...t})),this._availableInstanceIds=t._availableInstanceIds.slice(),this._availableGeometryIds=t._availableGeometryIds.slice(),this._nextIndexStart=t._nextIndexStart,this._nextVertexStart=t._nextVertexStart,this._geometryCount=t._geometryCount,this._maxInstanceCount=t._maxInstanceCount,this._maxVertexCount=t._maxVertexCount,this._maxIndexCount=t._maxIndexCount,this._geometryInitialized=t._geometryInitialized,this._multiDrawCounts=t._multiDrawCounts.slice(),this._multiDrawStarts=t._multiDrawStarts.slice(),this._indirectTexture=t._indirectTexture.clone(),this._indirectTexture.image.data=this._indirectTexture.image.data.slice(),this._matricesTexture=t._matricesTexture.clone(),this._matricesTexture.image.data=this._matricesTexture.image.data.slice(),null!==this._colorsTexture&&(this._colorsTexture=t._colorsTexture.clone(),this._colorsTexture.image.data=this._colorsTexture.image.data.slice()),this}dispose(){this.geometry.dispose(),this._matricesTexture.dispose(),this._matricesTexture=null,this._indirectTexture.dispose(),this._indirectTexture=null,null!==this._colorsTexture&&(this._colorsTexture.dispose(),this._colorsTexture=null)}onBeforeRender(t,e,i,s,r){if(!this._visibilityChanged&&!this.perObjectFrustumCulled&&!this.sortObjects)return;const n=s.getIndex();let a=null===n?1:n.array.BYTES_PER_ELEMENT,o=1;r.wireframe&&(o=2,a=s.attributes.position.count>65535?4:2);const h=this._instanceInfo,l=this._multiDrawStarts,c=this._multiDrawCounts,u=this._geometryInfo,d=this.perObjectFrustumCulled,p=this._indirectTexture,m=p.image.data,y=i.isArrayCamera?_o:So;d&&!i.isArrayCamera&&(wo.multiplyMatrices(i.projectionMatrix,i.matrixWorldInverse).multiply(this.matrixWorld),So.setFromProjectionMatrix(wo,i.coordinateSystem,i.reversedDepth));let g=0;if(this.sortObjects){wo.copy(this.matrixWorld).invert(),zo.setFromMatrixPosition(i.matrixWorld).applyMatrix4(wo),Co.set(0,0,-1).transformDirection(i.matrixWorld).transformDirection(wo);for(let t=0,e=h.length;t<e;t++)if(h[t].visible&&h[t].active){const e=h[t].geometryIndex;this.getMatrixAt(t,wo),this.getBoundingSphereAt(e,To).applyMatrix4(wo);let s=!1;if(d&&(s=!y.intersectsSphere(To,i)),!s){const i=u[e],s=Io.subVectors(To.center,zo).dot(Co);ko.push(i.start,i.count,s,t)}}const t=ko.list,e=this.customSort;null===e?t.sort(r.transparent?bo:xo):e.call(this,t,i);for(let e=0,i=t.length;e<i;e++){const i=t[e];l[g]=i.start*a*o,c[g]=i.count*o,m[g]=i.index,g++}ko.reset()}else for(let t=0,e=h.length;t<e;t++)if(h[t].visible&&h[t].active){const e=h[t].geometryIndex;let s=!1;if(d&&(this.getMatrixAt(t,wo),this.getBoundingSphereAt(e,To).applyMatrix4(wo),s=!y.intersectsSphere(To,i)),!s){const i=u[e];l[g]=i.start*a*o,c[g]=i.count*o,m[g]=t,g++}}p.needsUpdate=!0,this._multiDrawCount=g,this._visibilityChanged=!1}onBeforeShadow(t,e,i,s,r,n){this.onBeforeRender(t,null,s,r,n)}}class Vo extends Hn{constructor(t){super(),this.isLineBasicMaterial=!0,this.type="LineBasicMaterial",this.color=new Or(16777215),this.map=null,this.linewidth=1,this.linecap="round",this.linejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.linewidth=t.linewidth,this.linecap=t.linecap,this.linejoin=t.linejoin,this.fog=t.fog,this}}const Eo=new As,Fo=new As,Lo=new $s,jo=new va,Do=new Rn,Wo=new As,Uo=new As;class Jo extends _r{constructor(t=new Wn,e=new Vo){super(),this.isLine=!0,this.type="Line",this.geometry=t,this.material=e,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),this.material=Array.isArray(t.material)?t.material.slice():t.material,this.geometry=t.geometry,this}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,i=[0];for(let t=1,s=e.count;t<s;t++)Eo.fromBufferAttribute(e,t-1),Fo.fromBufferAttribute(e,t),i[t]=i[t-1],i[t]+=Eo.distanceTo(Fo);t.setAttribute("lineDistance",new kn(i,1))}else as("Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}raycast(t,e){const i=this.geometry,s=this.matrixWorld,r=t.params.Line.threshold,n=i.drawRange;if(null===i.boundingSphere&&i.computeBoundingSphere(),Do.copy(i.boundingSphere),Do.applyMatrix4(s),Do.radius+=r,!1===t.ray.intersectsSphere(Do))return;Lo.copy(s).invert(),jo.copy(t.ray).applyMatrix4(Lo);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a,h=this.isLineSegments?2:1,l=i.index,c=i.attributes.position;if(null!==l){const i=Math.max(0,n.start),s=Math.min(l.count,n.start+n.count);for(let r=i,n=s-1;r<n;r+=h){const i=l.getX(r),s=l.getX(r+1),n=qo(this,t,jo,o,i,s,r);n&&e.push(n)}if(this.isLineLoop){const r=l.getX(s-1),n=l.getX(i),a=qo(this,t,jo,o,r,n,s-1);a&&e.push(a)}}else{const i=Math.max(0,n.start),s=Math.min(c.count,n.start+n.count);for(let r=i,n=s-1;r<n;r+=h){const i=qo(this,t,jo,o,r,r+1,r);i&&e.push(i)}if(this.isLineLoop){const r=qo(this,t,jo,o,s-1,i,s-1);r&&e.push(r)}}}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const i=t[e[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=i.length;t<e;t++){const e=i[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}}function qo(t,e,i,s,r,n,a){const o=t.geometry.attributes.position;Eo.fromBufferAttribute(o,r),Fo.fromBufferAttribute(o,n);if(i.distanceSqToSegment(Eo,Fo,Wo,Uo)>s)return;Wo.applyMatrix4(t.matrixWorld);const h=e.ray.origin.distanceTo(Wo);return h<e.near||h>e.far?void 0:{distance:h,point:Uo.clone().applyMatrix4(t.matrixWorld),index:a,face:null,faceIndex:null,barycoord:null,object:t}}const Xo=new As,Yo=new As;class Ho extends Jo{constructor(t,e){super(t,e),this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,i=[];for(let t=0,s=e.count;t<s;t+=2)Xo.fromBufferAttribute(e,t),Yo.fromBufferAttribute(e,t+1),i[t]=0===t?0:i[t-1],i[t+1]=i[t]+Xo.distanceTo(Yo);t.setAttribute("lineDistance",new kn(i,1))}else as("LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}}class Zo extends Jo{constructor(t,e){super(t,e),this.isLineLoop=!0,this.type="LineLoop"}}class Go extends Hn{constructor(t){super(),this.isPointsMaterial=!0,this.type="PointsMaterial",this.color=new Or(16777215),this.map=null,this.alphaMap=null,this.size=1,this.sizeAttenuation=!0,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.alphaMap=t.alphaMap,this.size=t.size,this.sizeAttenuation=t.sizeAttenuation,this.fog=t.fog,this}}const $o=new $s,Qo=new va,Ko=new Rn,th=new As;class eh extends _r{constructor(t=new Wn,e=new Go){super(),this.isPoints=!0,this.type="Points",this.geometry=t,this.material=e,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),this.material=Array.isArray(t.material)?t.material.slice():t.material,this.geometry=t.geometry,this}raycast(t,e){const i=this.geometry,s=this.matrixWorld,r=t.params.Points.threshold,n=i.drawRange;if(null===i.boundingSphere&&i.computeBoundingSphere(),Ko.copy(i.boundingSphere),Ko.applyMatrix4(s),Ko.radius+=r,!1===t.ray.intersectsSphere(Ko))return;$o.copy(s).invert(),Qo.copy(t.ray).applyMatrix4($o);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a,h=i.index,l=i.attributes.position;if(null!==h){for(let i=Math.max(0,n.start),r=Math.min(h.count,n.start+n.count);i<r;i++){const r=h.getX(i);th.fromBufferAttribute(l,r),ih(th,r,o,s,t,e,this)}}else{for(let i=Math.max(0,n.start),r=Math.min(l.count,n.start+n.count);i<r;i++)th.fromBufferAttribute(l,i),ih(th,i,o,s,t,e,this)}}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const i=t[e[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=i.length;t<e;t++){const e=i[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}}function ih(t,e,i,s,r,n,a){const o=Qo.distanceSqToPoint(t);if(o<i){const i=new As;Qo.closestPointToPoint(t,i),i.applyMatrix4(s);const h=r.ray.origin.distanceTo(i);if(h<r.near||h>r.far)return;n.push({distance:h,distanceToRay:Math.sqrt(o),point:i,index:e,face:null,faceIndex:null,barycoord:null,object:a})}}class sh extends Us{constructor(t,e,i,s,r=1006,n=1006,a,o,h){super(t,e,i,s,r,n,a,o,h),this.isVideoTexture=!0,this.generateMipmaps=!1,this._requestVideoFrameCallbackId=0;const l=this;"requestVideoFrameCallback"in t&&(this._requestVideoFrameCallbackId=t.requestVideoFrameCallback(function e(){l.needsUpdate=!0,l._requestVideoFrameCallbackId=t.requestVideoFrameCallback(e)}))}clone(){return new this.constructor(this.image).copy(this)}update(){const t=this.image;!1==="requestVideoFrameCallback"in t&&t.readyState>=t.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}dispose(){0!==this._requestVideoFrameCallbackId&&(this.source.data.cancelVideoFrameCallback(this._requestVideoFrameCallbackId),this._requestVideoFrameCallbackId=0),super.dispose()}}class rh extends sh{constructor(t,e,i,s,r,n,a,o){super({},t,e,i,s,r,n,a,o),this.isVideoFrameTexture=!0}update(){}clone(){return(new this.constructor).copy(this)}setFrame(t){this.image=t,this.needsUpdate=!0}}class nh extends Us{constructor(t,e){super({width:t,height:e}),this.isFramebufferTexture=!0,this.magFilter=ft,this.minFilter=ft,this.generateMipmaps=!1,this.needsUpdate=!0}}class ah extends Us{constructor(t,e,i,s,r,n,a,o,h,l,c,u){super(null,n,a,o,h,l,s,r,c,u),this.isCompressedTexture=!0,this.image={width:e,height:i},this.mipmaps=t,this.flipY=!1,this.generateMipmaps=!1}}class oh extends ah{constructor(t,e,i,s,r,n){super(t,e,i,r,n),this.isCompressedArrayTexture=!0,this.image.depth=s,this.wrapR=yt,this.layerUpdates=new Set}addLayerUpdate(t){this.layerUpdates.add(t)}clearLayerUpdates(){this.layerUpdates.clear()}}class hh extends ah{constructor(t,e,i){super(void 0,t[0].width,t[0].height,e,i,lt),this.isCompressedCubeTexture=!0,this.isCubeTexture=!0,this.image=t}}class lh extends Us{constructor(t=[],e=301,i,s,r,n,a,o,h,l){super(t,e,i,s,r,n,a,o,h,l),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}class ch extends Us{constructor(t,e,i,s,r,n,a,o,h){super(t,e,i,s,r,n,a,o,h),this.isCanvasTexture=!0,this.needsUpdate=!0}}class uh extends Us{constructor(t,e,i=1014,s,r,n,a=1003,o=1003,h,l=1026,c=1){if(l!==Ut&&1027!==l)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");super({width:t,height:e,depth:c},s,r,n,a,o,l,i,h),this.isDepthTexture=!0,this.flipY=!1,this.generateMipmaps=!1,this.compareFunction=null}copy(t){return super.copy(t),this.source=new Ls(Object.assign({},t.image)),this.compareFunction=t.compareFunction,this}toJSON(t){const e=super.toJSON(t);return null!==this.compareFunction&&(e.compareFunction=this.compareFunction),e}}class dh extends uh{constructor(t,e=1014,i=301,s,r,n=1003,a=1003,o,h=1026){const l={width:t,height:t,depth:1},c=[l,l,l,l,l,l];super(t,t,e,i,s,r,n,a,o,h),this.image=c,this.isCubeDepthTexture=!0,this.isCubeTexture=!0}get images(){return this.image}set images(t){this.image=t}}class ph extends Us{constructor(t=null){super(),this.sourceTexture=t,this.isExternalTexture=!0}copy(t){return super.copy(t),this.sourceTexture=t.sourceTexture,this}}class mh extends Wn{constructor(t=1,e=1,i=1,s=1,r=1,n=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:i,widthSegments:s,heightSegments:r,depthSegments:n};const a=this;s=Math.floor(s),r=Math.floor(r),n=Math.floor(n);const o=[],h=[],l=[],c=[];let u=0,d=0;function p(t,e,i,s,r,n,p,m,y,g,f){const x=n/y,b=p/g,v=n/2,w=p/2,M=m/2,S=y+1,_=g+1;let A=0,T=0;const z=new As;for(let n=0;n<_;n++){const a=n*b-w;for(let o=0;o<S;o++){const u=o*x-v;z[t]=u*s,z[e]=a*r,z[i]=M,h.push(z.x,z.y,z.z),z[t]=0,z[e]=0,z[i]=m>0?1:-1,l.push(z.x,z.y,z.z),c.push(o/y),c.push(1-n/g),A+=1}}for(let t=0;t<g;t++)for(let e=0;e<y;e++){const i=u+e+S*t,s=u+e+S*(t+1),r=u+(e+1)+S*(t+1),n=u+(e+1)+S*t;o.push(i,s,n),o.push(s,r,n),T+=6}a.addGroup(d,T,f),d+=T,u+=A}p("z","y","x",-1,-1,i,e,t,n,r,0),p("z","y","x",1,-1,i,e,-t,n,r,1),p("x","z","y",1,1,t,i,e,s,n,2),p("x","z","y",1,-1,t,i,-e,s,n,3),p("x","y","z",1,-1,t,e,i,s,r,4),p("x","y","z",-1,-1,t,e,-i,s,r,5),this.setIndex(o),this.setAttribute("position",new kn(h,3)),this.setAttribute("normal",new kn(l,3)),this.setAttribute("uv",new kn(c,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new mh(t.width,t.height,t.depth,t.widthSegments,t.heightSegments,t.depthSegments)}}class yh extends Wn{constructor(t=1,e=1,i=4,s=8,r=1){super(),this.type="CapsuleGeometry",this.parameters={radius:t,height:e,capSegments:i,radialSegments:s,heightSegments:r},e=Math.max(0,e),i=Math.max(1,Math.floor(i)),s=Math.max(3,Math.floor(s)),r=Math.max(1,Math.floor(r));const n=[],a=[],o=[],h=[],l=e/2,c=Math.PI/2*t,u=e,d=2*c+u,p=2*i+r,m=s+1,y=new As,g=new As;for(let f=0;f<=p;f++){let x=0,b=0,v=0,w=0;if(f<=i){const e=f/i,s=e*Math.PI/2;b=-l-t*Math.cos(s),v=t*Math.sin(s),w=-t*Math.cos(s),x=e*c}else if(f<=i+r){const s=(f-i)/r;b=s*e-l,v=t,w=0,x=c+s*u}else{const e=(f-i-r)/i,s=e*Math.PI/2;b=l+t*Math.sin(s),v=t*Math.cos(s),w=t*Math.sin(s),x=c+u+e*c}const M=Math.max(0,Math.min(1,x/d));let S=0;0===f?S=.5/s:f===p&&(S=-.5/s);for(let t=0;t<=s;t++){const e=t/s,i=e*Math.PI*2,r=Math.sin(i),n=Math.cos(i);g.x=-v*n,g.y=b,g.z=v*r,a.push(g.x,g.y,g.z),y.set(-v*n,w,v*r),y.normalize(),o.push(y.x,y.y,y.z),h.push(e+S,M)}if(f>0){const t=(f-1)*m;for(let e=0;e<s;e++){const i=t+e,s=t+e+1,r=f*m+e,a=f*m+e+1;n.push(i,s,r),n.push(s,a,r)}}}this.setIndex(n),this.setAttribute("position",new kn(a,3)),this.setAttribute("normal",new kn(o,3)),this.setAttribute("uv",new kn(h,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new yh(t.radius,t.height,t.capSegments,t.radialSegments,t.heightSegments)}}class gh extends Wn{constructor(t=1,e=32,i=0,s=2*Math.PI){super(),this.type="CircleGeometry",this.parameters={radius:t,segments:e,thetaStart:i,thetaLength:s},e=Math.max(3,e);const r=[],n=[],a=[],o=[],h=new As,l=new Ss;n.push(0,0,0),a.push(0,0,1),o.push(.5,.5);for(let r=0,c=3;r<=e;r++,c+=3){const u=i+r/e*s;h.x=t*Math.cos(u),h.y=t*Math.sin(u),n.push(h.x,h.y,h.z),a.push(0,0,1),l.x=(n[c]/t+1)/2,l.y=(n[c+1]/t+1)/2,o.push(l.x,l.y)}for(let t=1;t<=e;t++)r.push(t,t+1,0);this.setIndex(r),this.setAttribute("position",new kn(n,3)),this.setAttribute("normal",new kn(a,3)),this.setAttribute("uv",new kn(o,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new gh(t.radius,t.segments,t.thetaStart,t.thetaLength)}}class fh extends Wn{constructor(t=1,e=1,i=1,s=32,r=1,n=!1,a=0,o=2*Math.PI){super(),this.type="CylinderGeometry",this.parameters={radiusTop:t,radiusBottom:e,height:i,radialSegments:s,heightSegments:r,openEnded:n,thetaStart:a,thetaLength:o};const h=this;s=Math.floor(s),r=Math.floor(r);const l=[],c=[],u=[],d=[];let p=0;const m=[],y=i/2;let g=0;function f(i){const r=p,n=new Ss,m=new As;let f=0;const x=!0===i?t:e,b=!0===i?1:-1;for(let t=1;t<=s;t++)c.push(0,y*b,0),u.push(0,b,0),d.push(.5,.5),p++;const v=p;for(let t=0;t<=s;t++){const e=t/s*o+a,i=Math.cos(e),r=Math.sin(e);m.x=x*r,m.y=y*b,m.z=x*i,c.push(m.x,m.y,m.z),u.push(0,b,0),n.x=.5*i+.5,n.y=.5*r*b+.5,d.push(n.x,n.y),p++}for(let t=0;t<s;t++){const e=r+t,s=v+t;!0===i?l.push(s,s+1,e):l.push(s+1,s,e),f+=3}h.addGroup(g,f,!0===i?1:2),g+=f}!function(){const n=new As,f=new As;let x=0;const b=(e-t)/i;for(let h=0;h<=r;h++){const l=[],g=h/r,x=g*(e-t)+t;for(let t=0;t<=s;t++){const e=t/s,r=e*o+a,h=Math.sin(r),m=Math.cos(r);f.x=x*h,f.y=-g*i+y,f.z=x*m,c.push(f.x,f.y,f.z),n.set(h,b,m).normalize(),u.push(n.x,n.y,n.z),d.push(e,1-g),l.push(p++)}m.push(l)}for(let i=0;i<s;i++)for(let s=0;s<r;s++){const n=m[s][i],a=m[s+1][i],o=m[s+1][i+1],h=m[s][i+1];(t>0||0!==s)&&(l.push(n,a,h),x+=3),(e>0||s!==r-1)&&(l.push(a,o,h),x+=3)}h.addGroup(g,x,0),g+=x}(),!1===n&&(t>0&&f(!0),e>0&&f(!1)),this.setIndex(l),this.setAttribute("position",new kn(c,3)),this.setAttribute("normal",new kn(u,3)),this.setAttribute("uv",new kn(d,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new fh(t.radiusTop,t.radiusBottom,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class xh extends fh{constructor(t=1,e=1,i=32,s=1,r=!1,n=0,a=2*Math.PI){super(0,t,e,i,s,r,n,a),this.type="ConeGeometry",this.parameters={radius:t,height:e,radialSegments:i,heightSegments:s,openEnded:r,thetaStart:n,thetaLength:a}}static fromJSON(t){return new xh(t.radius,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class bh extends Wn{constructor(t=[],e=[],i=1,s=0){super(),this.type="PolyhedronGeometry",this.parameters={vertices:t,indices:e,radius:i,detail:s};const r=[],n=[];function a(t,e,i,s){const r=s+1,n=[];for(let s=0;s<=r;s++){n[s]=[];const a=t.clone().lerp(i,s/r),o=e.clone().lerp(i,s/r),h=r-s;for(let t=0;t<=h;t++)n[s][t]=0===t&&s===r?a:a.clone().lerp(o,t/h)}for(let t=0;t<r;t++)for(let e=0;e<2*(r-t)-1;e++){const i=Math.floor(e/2);e%2==0?(o(n[t][i+1]),o(n[t+1][i]),o(n[t][i])):(o(n[t][i+1]),o(n[t+1][i+1]),o(n[t+1][i]))}}function o(t){r.push(t.x,t.y,t.z)}function h(e,i){const s=3*e;i.x=t[s+0],i.y=t[s+1],i.z=t[s+2]}function l(t,e,i,s){s<0&&1===t.x&&(n[e]=t.x-1),0===i.x&&0===i.z&&(n[e]=s/2/Math.PI+.5)}function c(t){return Math.atan2(t.z,-t.x)}function u(t){return Math.atan2(-t.y,Math.sqrt(t.x*t.x+t.z*t.z))}!function(t){const i=new As,s=new As,r=new As;for(let n=0;n<e.length;n+=3)h(e[n+0],i),h(e[n+1],s),h(e[n+2],r),a(i,s,r,t)}(s),function(t){const e=new As;for(let i=0;i<r.length;i+=3)e.x=r[i+0],e.y=r[i+1],e.z=r[i+2],e.normalize().multiplyScalar(t),r[i+0]=e.x,r[i+1]=e.y,r[i+2]=e.z}(i),function(){const t=new As;for(let e=0;e<r.length;e+=3){t.x=r[e+0],t.y=r[e+1],t.z=r[e+2];const i=c(t)/2/Math.PI+.5,s=u(t)/Math.PI+.5;n.push(i,1-s)}(function(){const t=new As,e=new As,i=new As,s=new As,a=new Ss,o=new Ss,h=new Ss;for(let u=0,d=0;u<r.length;u+=9,d+=6){t.set(r[u+0],r[u+1],r[u+2]),e.set(r[u+3],r[u+4],r[u+5]),i.set(r[u+6],r[u+7],r[u+8]),a.set(n[d+0],n[d+1]),o.set(n[d+2],n[d+3]),h.set(n[d+4],n[d+5]),s.copy(t).add(e).add(i).divideScalar(3);const p=c(s);l(a,d+0,t,p),l(o,d+2,e,p),l(h,d+4,i,p)}})(),function(){for(let t=0;t<n.length;t+=6){const e=n[t+0],i=n[t+2],s=n[t+4],r=Math.max(e,i,s),a=Math.min(e,i,s);r>.9&&a<.1&&(e<.2&&(n[t+0]+=1),i<.2&&(n[t+2]+=1),s<.2&&(n[t+4]+=1))}}()}(),this.setAttribute("position",new kn(r,3)),this.setAttribute("normal",new kn(r.slice(),3)),this.setAttribute("uv",new kn(n,2)),0===s?this.computeVertexNormals():this.normalizeNormals()}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new bh(t.vertices,t.indices,t.radius,t.detail)}}class vh extends bh{constructor(t=1,e=0){const i=(1+Math.sqrt(5))/2,s=1/i;super([-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,0,-s,-i,0,-s,i,0,s,-i,0,s,i,-s,-i,0,-s,i,0,s,-i,0,s,i,0,-i,0,-s,i,0,-s,-i,0,s,i,0,s],[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,19,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9],t,e),this.type="DodecahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new vh(t.radius,t.detail)}}const wh=new As,Mh=new As,Sh=new As,_h=new Gr;class Ah extends Wn{constructor(t=null,e=1){if(super(),this.type="EdgesGeometry",this.parameters={geometry:t,thresholdAngle:e},null!==t){const i=4,s=Math.pow(10,i),r=Math.cos(ms*e),n=t.getIndex(),a=t.getAttribute("position"),o=n?n.count:a.count,h=[0,0,0],l=["a","b","c"],c=new Array(3),u={},d=[];for(let t=0;t<o;t+=3){n?(h[0]=n.getX(t),h[1]=n.getX(t+1),h[2]=n.getX(t+2)):(h[0]=t,h[1]=t+1,h[2]=t+2);const{a:e,b:i,c:o}=_h;if(e.fromBufferAttribute(a,h[0]),i.fromBufferAttribute(a,h[1]),o.fromBufferAttribute(a,h[2]),_h.getNormal(Sh),c[0]=`${Math.round(e.x*s)},${Math.round(e.y*s)},${Math.round(e.z*s)}`,c[1]=`${Math.round(i.x*s)},${Math.round(i.y*s)},${Math.round(i.z*s)}`,c[2]=`${Math.round(o.x*s)},${Math.round(o.y*s)},${Math.round(o.z*s)}`,c[0]!==c[1]&&c[1]!==c[2]&&c[2]!==c[0])for(let t=0;t<3;t++){const e=(t+1)%3,i=c[t],s=c[e],n=_h[l[t]],a=_h[l[e]],o=`${i}_${s}`,p=`${s}_${i}`;p in u&&u[p]?(Sh.dot(u[p].normal)<=r&&(d.push(n.x,n.y,n.z),d.push(a.x,a.y,a.z)),u[p]=null):o in u||(u[o]={index0:h[t],index1:h[e],normal:Sh.clone()})}}for(const t in u)if(u[t]){const{index0:e,index1:i}=u[t];wh.fromBufferAttribute(a,e),Mh.fromBufferAttribute(a,i),d.push(wh.x,wh.y,wh.z),d.push(Mh.x,Mh.y,Mh.z)}this.setAttribute("position",new kn(d,3))}}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}}class Th{constructor(){this.type="Curve",this.arcLengthDivisions=200,this.needsUpdate=!1,this.cacheArcLengths=null}getPoint(){as("Curve: .getPoint() not implemented.")}getPointAt(t,e){const i=this.getUtoTmapping(t);return this.getPoint(i,e)}getPoints(t=5){const e=[];for(let i=0;i<=t;i++)e.push(this.getPoint(i/t));return e}getSpacedPoints(t=5){const e=[];for(let i=0;i<=t;i++)e.push(this.getPointAt(i/t));return e}getLength(){const t=this.getLengths();return t[t.length-1]}getLengths(t=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===t+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const e=[];let i,s=this.getPoint(0),r=0;e.push(0);for(let n=1;n<=t;n++)i=this.getPoint(n/t),r+=i.distanceTo(s),e.push(r),s=i;return this.cacheArcLengths=e,e}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(t,e=null){const i=this.getLengths();let s=0;const r=i.length;let n;n=e||t*i[r-1];let a,o=0,h=r-1;for(;o<=h;)if(s=Math.floor(o+(h-o)/2),a=i[s]-n,a<0)o=s+1;else{if(!(a>0)){h=s;break}h=s-1}if(s=h,i[s]===n)return s/(r-1);const l=i[s];return(s+(n-l)/(i[s+1]-l))/(r-1)}getTangent(t,e){const i=1e-4;let s=t-i,r=t+i;s<0&&(s=0),r>1&&(r=1);const n=this.getPoint(s),a=this.getPoint(r),o=e||(n.isVector2?new Ss:new As);return o.copy(a).sub(n).normalize(),o}getTangentAt(t,e){const i=this.getUtoTmapping(t);return this.getTangent(i,e)}computeFrenetFrames(t,e=!1){const i=new As,s=[],r=[],n=[],a=new As,o=new $s;for(let e=0;e<=t;e++){const i=e/t;s[e]=this.getTangentAt(i,new As)}r[0]=new As,n[0]=new As;let h=Number.MAX_VALUE;const l=Math.abs(s[0].x),c=Math.abs(s[0].y),u=Math.abs(s[0].z);l<=h&&(h=l,i.set(1,0,0)),c<=h&&(h=c,i.set(0,1,0)),u<=h&&i.set(0,0,1),a.crossVectors(s[0],i).normalize(),r[0].crossVectors(s[0],a),n[0].crossVectors(s[0],r[0]);for(let e=1;e<=t;e++){if(r[e]=r[e-1].clone(),n[e]=n[e-1].clone(),a.crossVectors(s[e-1],s[e]),a.length()>Number.EPSILON){a.normalize();const t=Math.acos(fs(s[e-1].dot(s[e]),-1,1));r[e].applyMatrix4(o.makeRotationAxis(a,t))}n[e].crossVectors(s[e],r[e])}if(!0===e){let e=Math.acos(fs(r[0].dot(r[t]),-1,1));e/=t,s[0].dot(a.crossVectors(r[0],r[t]))>0&&(e=-e);for(let i=1;i<=t;i++)r[i].applyMatrix4(o.makeRotationAxis(s[i],e*i)),n[i].crossVectors(s[i],r[i])}return{tangents:s,normals:r,binormals:n}}clone(){return(new this.constructor).copy(this)}copy(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}toJSON(){const t={metadata:{version:4.7,type:"Curve",generator:"Curve.toJSON"}};return t.arcLengthDivisions=this.arcLengthDivisions,t.type=this.type,t}fromJSON(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}}class zh extends Th{constructor(t=0,e=0,i=1,s=1,r=0,n=2*Math.PI,a=!1,o=0){super(),this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=t,this.aY=e,this.xRadius=i,this.yRadius=s,this.aStartAngle=r,this.aEndAngle=n,this.aClockwise=a,this.aRotation=o}getPoint(t,e=new Ss){const i=e,s=2*Math.PI;let r=this.aEndAngle-this.aStartAngle;const n=Math.abs(r)<Number.EPSILON;for(;r<0;)r+=s;for(;r>s;)r-=s;r<Number.EPSILON&&(r=n?0:s),!0!==this.aClockwise||n||(r===s?r=-s:r-=s);const a=this.aStartAngle+t*r;let o=this.aX+this.xRadius*Math.cos(a),h=this.aY+this.yRadius*Math.sin(a);if(0!==this.aRotation){const t=Math.cos(this.aRotation),e=Math.sin(this.aRotation),i=o-this.aX,s=h-this.aY;o=i*t-s*e+this.aX,h=i*e+s*t+this.aY}return i.set(o,h)}copy(t){return super.copy(t),this.aX=t.aX,this.aY=t.aY,this.xRadius=t.xRadius,this.yRadius=t.yRadius,this.aStartAngle=t.aStartAngle,this.aEndAngle=t.aEndAngle,this.aClockwise=t.aClockwise,this.aRotation=t.aRotation,this}toJSON(){const t=super.toJSON();return t.aX=this.aX,t.aY=this.aY,t.xRadius=this.xRadius,t.yRadius=this.yRadius,t.aStartAngle=this.aStartAngle,t.aEndAngle=this.aEndAngle,t.aClockwise=this.aClockwise,t.aRotation=this.aRotation,t}fromJSON(t){return super.fromJSON(t),this.aX=t.aX,this.aY=t.aY,this.xRadius=t.xRadius,this.yRadius=t.yRadius,this.aStartAngle=t.aStartAngle,this.aEndAngle=t.aEndAngle,this.aClockwise=t.aClockwise,this.aRotation=t.aRotation,this}}class Ch extends zh{constructor(t,e,i,s,r,n){super(t,e,i,i,s,r,n),this.isArcCurve=!0,this.type="ArcCurve"}}function Ih(){let t=0,e=0,i=0,s=0;function r(r,n,a,o){t=r,e=a,i=-3*r+3*n-2*a-o,s=2*r-2*n+a+o}return{initCatmullRom:function(t,e,i,s,n){r(e,i,n*(i-t),n*(s-e))},initNonuniformCatmullRom:function(t,e,i,s,n,a,o){let h=(e-t)/n-(i-t)/(n+a)+(i-e)/a,l=(i-e)/a-(s-e)/(a+o)+(s-i)/o;h*=a,l*=a,r(e,i,h,l)},calc:function(r){const n=r*r;return t+e*r+i*n+s*(n*r)}}}const kh=new As,Bh=new Ih,Oh=new Ih,Ph=new Ih;class Rh extends Th{constructor(t=[],e=!1,i="centripetal",s=.5){super(),this.isCatmullRomCurve3=!0,this.type="CatmullRomCurve3",this.points=t,this.closed=e,this.curveType=i,this.tension=s}getPoint(t,e=new As){const i=e,s=this.points,r=s.length,n=(r-(this.closed?0:1))*t;let a,o,h=Math.floor(n),l=n-h;this.closed?h+=h>0?0:(Math.floor(Math.abs(h)/r)+1)*r:0===l&&h===r-1&&(h=r-2,l=1),this.closed||h>0?a=s[(h-1)%r]:(kh.subVectors(s[0],s[1]).add(s[0]),a=kh);const c=s[h%r],u=s[(h+1)%r];if(this.closed||h+2<r?o=s[(h+2)%r]:(kh.subVectors(s[r-1],s[r-2]).add(s[r-1]),o=kh),"centripetal"===this.curveType||"chordal"===this.curveType){const t="chordal"===this.curveType?.5:.25;let e=Math.pow(a.distanceToSquared(c),t),i=Math.pow(c.distanceToSquared(u),t),s=Math.pow(u.distanceToSquared(o),t);i<1e-4&&(i=1),e<1e-4&&(e=i),s<1e-4&&(s=i),Bh.initNonuniformCatmullRom(a.x,c.x,u.x,o.x,e,i,s),Oh.initNonuniformCatmullRom(a.y,c.y,u.y,o.y,e,i,s),Ph.initNonuniformCatmullRom(a.z,c.z,u.z,o.z,e,i,s)}else"catmullrom"===this.curveType&&(Bh.initCatmullRom(a.x,c.x,u.x,o.x,this.tension),Oh.initCatmullRom(a.y,c.y,u.y,o.y,this.tension),Ph.initCatmullRom(a.z,c.z,u.z,o.z,this.tension));return i.set(Bh.calc(l),Oh.calc(l),Ph.calc(l)),i}copy(t){super.copy(t),this.points=[];for(let e=0,i=t.points.length;e<i;e++){const i=t.points[e];this.points.push(i.clone())}return this.closed=t.closed,this.curveType=t.curveType,this.tension=t.tension,this}toJSON(){const t=super.toJSON();t.points=[];for(let e=0,i=this.points.length;e<i;e++){const i=this.points[e];t.points.push(i.toArray())}return t.closed=this.closed,t.curveType=this.curveType,t.tension=this.tension,t}fromJSON(t){super.fromJSON(t),this.points=[];for(let e=0,i=t.points.length;e<i;e++){const i=t.points[e];this.points.push((new As).fromArray(i))}return this.closed=t.closed,this.curveType=t.curveType,this.tension=t.tension,this}}function Nh(t,e,i,s,r){const n=.5*(s-e),a=.5*(r-i),o=t*t;return(2*i-2*s+n+a)*(t*o)+(-3*i+3*s-2*n-a)*o+n*t+i}function Vh(t,e,i,s){return function(t,e){const i=1-t;return i*i*e}(t,e)+function(t,e){return 2*(1-t)*t*e}(t,i)+function(t,e){return t*t*e}(t,s)}function Eh(t,e,i,s,r){return function(t,e){const i=1-t;return i*i*i*e}(t,e)+function(t,e){const i=1-t;return 3*i*i*t*e}(t,i)+function(t,e){return 3*(1-t)*t*t*e}(t,s)+function(t,e){return t*t*t*e}(t,r)}class Fh extends Th{constructor(t=new Ss,e=new Ss,i=new Ss,s=new Ss){super(),this.isCubicBezierCurve=!0,this.type="CubicBezierCurve",this.v0=t,this.v1=e,this.v2=i,this.v3=s}getPoint(t,e=new Ss){const i=e,s=this.v0,r=this.v1,n=this.v2,a=this.v3;return i.set(Eh(t,s.x,r.x,n.x,a.x),Eh(t,s.y,r.y,n.y,a.y)),i}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this.v3.copy(t.v3),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t.v3=this.v3.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this.v3.fromArray(t.v3),this}}class Lh extends Th{constructor(t=new As,e=new As,i=new As,s=new As){super(),this.isCubicBezierCurve3=!0,this.type="CubicBezierCurve3",this.v0=t,this.v1=e,this.v2=i,this.v3=s}getPoint(t,e=new As){const i=e,s=this.v0,r=this.v1,n=this.v2,a=this.v3;return i.set(Eh(t,s.x,r.x,n.x,a.x),Eh(t,s.y,r.y,n.y,a.y),Eh(t,s.z,r.z,n.z,a.z)),i}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this.v3.copy(t.v3),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t.v3=this.v3.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this.v3.fromArray(t.v3),this}}class jh extends Th{constructor(t=new Ss,e=new Ss){super(),this.isLineCurve=!0,this.type="LineCurve",this.v1=t,this.v2=e}getPoint(t,e=new Ss){const i=e;return 1===t?i.copy(this.v2):(i.copy(this.v2).sub(this.v1),i.multiplyScalar(t).add(this.v1)),i}getPointAt(t,e){return this.getPoint(t,e)}getTangent(t,e=new Ss){return e.subVectors(this.v2,this.v1).normalize()}getTangentAt(t,e){return this.getTangent(t,e)}copy(t){return super.copy(t),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class Dh extends Th{constructor(t=new As,e=new As){super(),this.isLineCurve3=!0,this.type="LineCurve3",this.v1=t,this.v2=e}getPoint(t,e=new As){const i=e;return 1===t?i.copy(this.v2):(i.copy(this.v2).sub(this.v1),i.multiplyScalar(t).add(this.v1)),i}getPointAt(t,e){return this.getPoint(t,e)}getTangent(t,e=new As){return e.subVectors(this.v2,this.v1).normalize()}getTangentAt(t,e){return this.getTangent(t,e)}copy(t){return super.copy(t),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class Wh extends Th{constructor(t=new Ss,e=new Ss,i=new Ss){super(),this.isQuadraticBezierCurve=!0,this.type="QuadraticBezierCurve",this.v0=t,this.v1=e,this.v2=i}getPoint(t,e=new Ss){const i=e,s=this.v0,r=this.v1,n=this.v2;return i.set(Vh(t,s.x,r.x,n.x),Vh(t,s.y,r.y,n.y)),i}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class Uh extends Th{constructor(t=new As,e=new As,i=new As){super(),this.isQuadraticBezierCurve3=!0,this.type="QuadraticBezierCurve3",this.v0=t,this.v1=e,this.v2=i}getPoint(t,e=new As){const i=e,s=this.v0,r=this.v1,n=this.v2;return i.set(Vh(t,s.x,r.x,n.x),Vh(t,s.y,r.y,n.y),Vh(t,s.z,r.z,n.z)),i}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class Jh extends Th{constructor(t=[]){super(),this.isSplineCurve=!0,this.type="SplineCurve",this.points=t}getPoint(t,e=new Ss){const i=e,s=this.points,r=(s.length-1)*t,n=Math.floor(r),a=r-n,o=s[0===n?n:n-1],h=s[n],l=s[n>s.length-2?s.length-1:n+1],c=s[n>s.length-3?s.length-1:n+2];return i.set(Nh(a,o.x,h.x,l.x,c.x),Nh(a,o.y,h.y,l.y,c.y)),i}copy(t){super.copy(t),this.points=[];for(let e=0,i=t.points.length;e<i;e++){const i=t.points[e];this.points.push(i.clone())}return this}toJSON(){const t=super.toJSON();t.points=[];for(let e=0,i=this.points.length;e<i;e++){const i=this.points[e];t.points.push(i.toArray())}return t}fromJSON(t){super.fromJSON(t),this.points=[];for(let e=0,i=t.points.length;e<i;e++){const i=t.points[e];this.points.push((new Ss).fromArray(i))}return this}}var qh=Object.freeze({__proto__:null,ArcCurve:Ch,CatmullRomCurve3:Rh,CubicBezierCurve:Fh,CubicBezierCurve3:Lh,EllipseCurve:zh,LineCurve:jh,LineCurve3:Dh,QuadraticBezierCurve:Wh,QuadraticBezierCurve3:Uh,SplineCurve:Jh});class Xh extends Th{constructor(){super(),this.type="CurvePath",this.curves=[],this.autoClose=!1}add(t){this.curves.push(t)}closePath(){const t=this.curves[0].getPoint(0),e=this.curves[this.curves.length-1].getPoint(1);if(!t.equals(e)){const i=!0===t.isVector2?"LineCurve":"LineCurve3";this.curves.push(new qh[i](e,t))}return this}getPoint(t,e){const i=t*this.getLength(),s=this.getCurveLengths();let r=0;for(;r<s.length;){if(s[r]>=i){const t=s[r]-i,n=this.curves[r],a=n.getLength(),o=0===a?0:1-t/a;return n.getPointAt(o,e)}r++}return null}getLength(){const t=this.getCurveLengths();return t[t.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const t=[];let e=0;for(let i=0,s=this.curves.length;i<s;i++)e+=this.curves[i].getLength(),t.push(e);return this.cacheLengths=t,t}getSpacedPoints(t=40){const e=[];for(let i=0;i<=t;i++)e.push(this.getPoint(i/t));return this.autoClose&&e.push(e[0]),e}getPoints(t=12){const e=[];let i;for(let s=0,r=this.curves;s<r.length;s++){const n=r[s],a=n.isEllipseCurve?2*t:n.isLineCurve||n.isLineCurve3?1:n.isSplineCurve?t*n.points.length:t,o=n.getPoints(a);for(let t=0;t<o.length;t++){const s=o[t];i&&i.equals(s)||(e.push(s),i=s)}}return this.autoClose&&e.length>1&&!e[e.length-1].equals(e[0])&&e.push(e[0]),e}copy(t){super.copy(t),this.curves=[];for(let e=0,i=t.curves.length;e<i;e++){const i=t.curves[e];this.curves.push(i.clone())}return this.autoClose=t.autoClose,this}toJSON(){const t=super.toJSON();t.autoClose=this.autoClose,t.curves=[];for(let e=0,i=this.curves.length;e<i;e++){const i=this.curves[e];t.curves.push(i.toJSON())}return t}fromJSON(t){super.fromJSON(t),this.autoClose=t.autoClose,this.curves=[];for(let e=0,i=t.curves.length;e<i;e++){const i=t.curves[e];this.curves.push((new qh[i.type]).fromJSON(i))}return this}}class Yh extends Xh{constructor(t){super(),this.type="Path",this.currentPoint=new Ss,t&&this.setFromPoints(t)}setFromPoints(t){this.moveTo(t[0].x,t[0].y);for(let e=1,i=t.length;e<i;e++)this.lineTo(t[e].x,t[e].y);return this}moveTo(t,e){return this.currentPoint.set(t,e),this}lineTo(t,e){const i=new jh(this.currentPoint.clone(),new Ss(t,e));return this.curves.push(i),this.currentPoint.set(t,e),this}quadraticCurveTo(t,e,i,s){const r=new Wh(this.currentPoint.clone(),new Ss(t,e),new Ss(i,s));return this.curves.push(r),this.currentPoint.set(i,s),this}bezierCurveTo(t,e,i,s,r,n){const a=new Fh(this.currentPoint.clone(),new Ss(t,e),new Ss(i,s),new Ss(r,n));return this.curves.push(a),this.currentPoint.set(r,n),this}splineThru(t){const e=[this.currentPoint.clone()].concat(t),i=new Jh(e);return this.curves.push(i),this.currentPoint.copy(t[t.length-1]),this}arc(t,e,i,s,r,n){const a=this.currentPoint.x,o=this.currentPoint.y;return this.absarc(t+a,e+o,i,s,r,n),this}absarc(t,e,i,s,r,n){return this.absellipse(t,e,i,i,s,r,n),this}ellipse(t,e,i,s,r,n,a,o){const h=this.currentPoint.x,l=this.currentPoint.y;return this.absellipse(t+h,e+l,i,s,r,n,a,o),this}absellipse(t,e,i,s,r,n,a,o){const h=new zh(t,e,i,s,r,n,a,o);if(this.curves.length>0){const t=h.getPoint(0);t.equals(this.currentPoint)||this.lineTo(t.x,t.y)}this.curves.push(h);const l=h.getPoint(1);return this.currentPoint.copy(l),this}copy(t){return super.copy(t),this.currentPoint.copy(t.currentPoint),this}toJSON(){const t=super.toJSON();return t.currentPoint=this.currentPoint.toArray(),t}fromJSON(t){return super.fromJSON(t),this.currentPoint.fromArray(t.currentPoint),this}}class Hh extends Yh{constructor(t){super(t),this.uuid=gs(),this.type="Shape",this.holes=[]}getPointsHoles(t){const e=[];for(let i=0,s=this.holes.length;i<s;i++)e[i]=this.holes[i].getPoints(t);return e}extractPoints(t){return{shape:this.getPoints(t),holes:this.getPointsHoles(t)}}copy(t){super.copy(t),this.holes=[];for(let e=0,i=t.holes.length;e<i;e++){const i=t.holes[e];this.holes.push(i.clone())}return this}toJSON(){const t=super.toJSON();t.uuid=this.uuid,t.holes=[];for(let e=0,i=this.holes.length;e<i;e++){const i=this.holes[e];t.holes.push(i.toJSON())}return t}fromJSON(t){super.fromJSON(t),this.uuid=t.uuid,this.holes=[];for(let e=0,i=t.holes.length;e<i;e++){const i=t.holes[e];this.holes.push((new Yh).fromJSON(i))}return this}}function Zh(t,e,i=2){const s=e&&e.length,r=s?e[0]*i:t.length;let n=Gh(t,0,r,i,!0);const a=[];if(!n||n.next===n.prev)return a;let o,h,l;if(s&&(n=function(t,e,i,s){const r=[];for(let i=0,n=e.length;i<n;i++){const a=Gh(t,e[i]*s,i<n-1?e[i+1]*s:t.length,s,!1);a===a.next&&(a.steiner=!0),r.push(ol(a))}r.sort(sl);for(let t=0;t<r.length;t++)i=rl(r[t],i);return i}(t,e,n,i)),t.length>80*i){o=t[0],h=t[1];let e=o,s=h;for(let n=i;n<r;n+=i){const i=t[n],r=t[n+1];i<o&&(o=i),r<h&&(h=r),i>e&&(e=i),r>s&&(s=r)}l=Math.max(e-o,s-h),l=0!==l?32767/l:0}return Qh(n,a,i,o,h,l,0),a}function Gh(t,e,i,s,r){let n;if(r===function(t,e,i,s){let r=0;for(let 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i=l?C(S[e],N[e],E):S[e];w?(b.copy(f.normals[t]).multiplyScalar(i.x),x.copy(f.binormals[t]).multiplyScalar(i.y),v.copy(g[t]).add(b).add(x),L(v.x,v.y,v.z)):L(i.x,i.y,h/o*t)}for(let t=p-1;t>=0;t--){const e=t/p,i=c*Math.cos(e*Math.PI/2),s=u*Math.sin(e*Math.PI/2)+d;for(let t=0,e=z.length;t<e;t++){const e=C(z[t],B[t],s);L(e.x,e.y,h+i)}for(let t=0,e=_.length;t<e;t++){const e=_[t];P=O[t];for(let t=0,r=e.length;t<r;t++){const r=C(e[t],P[t],s);w?L(r.x,r.y+g[o-1].y,g[o-1].x+i):L(r.x,r.y,h+i)}}}function F(t,e){let i=t.length;for(;--i>=0;){const s=i;let r=i-1;r<0&&(r=t.length-1);for(let t=0,i=o+2*p;t<i;t++){const i=I*t,n=I*(t+1);D(e+s+i,e+r+i,e+r+n,e+s+n)}}}function L(t,e,i){n.push(t),n.push(e),n.push(i)}function j(t,e,r){W(t),W(e),W(r);const n=s.length/3,a=y.generateTopUV(i,s,n-3,n-2,n-1);U(a[0]),U(a[1]),U(a[2])}function D(t,e,r,n){W(t),W(e),W(n),W(e),W(r),W(n);const a=s.length/3,o=y.generateSideWallUV(i,s,a-6,a-3,a-2,a-1);U(o[0]),U(o[1]),U(o[3]),U(o[1]),U(o[2]),U(o[3])}function W(t){s.push(n[3*t+0]),s.push(n[3*t+1]),s.push(n[3*t+2])}function U(t){r.push(t.x),r.push(t.y)}!function(){const t=s.length/3;if(l){let t=0,e=I*t;for(let t=0;t<V;t++){const i=R[t];j(i[2]+e,i[1]+e,i[0]+e)}t=o+2*p,e=I*t;for(let t=0;t<V;t++){const i=R[t];j(i[0]+e,i[1]+e,i[2]+e)}}else{for(let t=0;t<V;t++){const e=R[t];j(e[2],e[1],e[0])}for(let t=0;t<V;t++){const e=R[t];j(e[0]+I*o,e[1]+I*o,e[2]+I*o)}}i.addGroup(t,s.length/3-t,0)}(),function(){const t=s.length/3;let e=0;F(z,e),e+=z.length;for(let t=0,i=_.length;t<i;t++){const i=_[t];F(i,e),e+=i.length}i.addGroup(t,s.length/3-t,1)}()}this.setAttribute("position",new kn(s,3)),this.setAttribute("uv",new kn(r,2)),this.computeVertexNormals()}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}toJSON(){const t=super.toJSON();return function(t,e,i){if(i.shapes=[],Array.isArray(t))for(let e=0,s=t.length;e<s;e++){const s=t[e];i.shapes.push(s.uuid)}else i.shapes.push(t.uuid);i.options=Object.assign({},e),void 0!==e.extrudePath&&(i.options.extrudePath=e.extrudePath.toJSON());return i}(this.parameters.shapes,this.parameters.options,t)}static fromJSON(t,e){const i=[];for(let s=0,r=t.shapes.length;s<r;s++){const r=e[t.shapes[s]];i.push(r)}const s=t.options.extrudePath;return void 0!==s&&(t.options.extrudePath=(new qh[s.type]).fromJSON(s)),new Al(i,t.options)}}const Tl={generateTopUV:function(t,e,i,s,r){const n=e[3*i],a=e[3*i+1],o=e[3*s],h=e[3*s+1],l=e[3*r],c=e[3*r+1];return[new Ss(n,a),new Ss(o,h),new Ss(l,c)]},generateSideWallUV:function(t,e,i,s,r,n){const a=e[3*i],o=e[3*i+1],h=e[3*i+2],l=e[3*s],c=e[3*s+1],u=e[3*s+2],d=e[3*r],p=e[3*r+1],m=e[3*r+2],y=e[3*n],g=e[3*n+1],f=e[3*n+2];return Math.abs(o-c)<Math.abs(a-l)?[new Ss(a,1-h),new Ss(l,1-u),new Ss(d,1-m),new Ss(y,1-f)]:[new Ss(o,1-h),new Ss(c,1-u),new Ss(p,1-m),new Ss(g,1-f)]}};class zl extends bh{constructor(t=1,e=0){const i=(1+Math.sqrt(5))/2;super([-1,i,0,1,i,0,-1,-i,0,1,-i,0,0,-1,i,0,1,i,0,-1,-i,0,1,-i,i,0,-1,i,0,1,-i,0,-1,-i,0,1],[0,11,5,0,5,1,0,1,7,0,7,10,0,10,11,1,5,9,5,11,4,11,10,2,10,7,6,7,1,8,3,9,4,3,4,2,3,2,6,3,6,8,3,8,9,4,9,5,2,4,11,6,2,10,8,6,7,9,8,1],t,e),this.type="IcosahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new zl(t.radius,t.detail)}}class Cl extends Wn{constructor(t=[new Ss(0,-.5),new Ss(.5,0),new Ss(0,.5)],e=12,i=0,s=2*Math.PI){super(),this.type="LatheGeometry",this.parameters={points:t,segments:e,phiStart:i,phiLength:s},e=Math.floor(e),s=fs(s,0,2*Math.PI);const r=[],n=[],a=[],o=[],h=[],l=1/e,c=new As,u=new Ss,d=new As,p=new As,m=new As;let y=0,g=0;for(let e=0;e<=t.length-1;e++)switch(e){case 0:y=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-y,d.z=0*g,m.copy(d),d.normalize(),o.push(d.x,d.y,d.z);break;case t.length-1:o.push(m.x,m.y,m.z);break;default:y=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-y,d.z=0*g,p.copy(d),d.x+=m.x,d.y+=m.y,d.z+=m.z,d.normalize(),o.push(d.x,d.y,d.z),m.copy(p)}for(let r=0;r<=e;r++){const d=i+r*l*s,p=Math.sin(d),m=Math.cos(d);for(let i=0;i<=t.length-1;i++){c.x=t[i].x*p,c.y=t[i].y,c.z=t[i].x*m,n.push(c.x,c.y,c.z),u.x=r/e,u.y=i/(t.length-1),a.push(u.x,u.y);const s=o[3*i+0]*p,l=o[3*i+1],d=o[3*i+0]*m;h.push(s,l,d)}}for(let i=0;i<e;i++)for(let e=0;e<t.length-1;e++){const s=e+i*t.length,n=s,a=s+t.length,o=s+t.length+1,h=s+1;r.push(n,a,h),r.push(o,h,a)}this.setIndex(r),this.setAttribute("position",new kn(n,3)),this.setAttribute("uv",new kn(a,2)),this.setAttribute("normal",new kn(h,3))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Cl(t.points,t.segments,t.phiStart,t.phiLength)}}class Il extends bh{constructor(t=1,e=0){super([1,0,0,-1,0,0,0,1,0,0,-1,0,0,0,1,0,0,-1],[0,2,4,0,4,3,0,3,5,0,5,2,1,2,5,1,5,3,1,3,4,1,4,2],t,e),this.type="OctahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new Il(t.radius,t.detail)}}class kl extends Wn{constructor(t=1,e=1,i=1,s=1){super(),this.type="PlaneGeometry",this.parameters={width:t,height:e,widthSegments:i,heightSegments:s};const r=t/2,n=e/2,a=Math.floor(i),o=Math.floor(s),h=a+1,l=o+1,c=t/a,u=e/o,d=[],p=[],m=[],y=[];for(let t=0;t<l;t++){const e=t*u-n;for(let i=0;i<h;i++){const s=i*c-r;p.push(s,-e,0),m.push(0,0,1),y.push(i/a),y.push(1-t/o)}}for(let t=0;t<o;t++)for(let e=0;e<a;e++){const i=e+h*t,s=e+h*(t+1),r=e+1+h*(t+1),n=e+1+h*t;d.push(i,s,n),d.push(s,r,n)}this.setIndex(d),this.setAttribute("position",new kn(p,3)),this.setAttribute("normal",new kn(m,3)),this.setAttribute("uv",new kn(y,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new kl(t.width,t.height,t.widthSegments,t.heightSegments)}}class Bl extends Wn{constructor(t=.5,e=1,i=32,s=1,r=0,n=2*Math.PI){super(),this.type="RingGeometry",this.parameters={innerRadius:t,outerRadius:e,thetaSegments:i,phiSegments:s,thetaStart:r,thetaLength:n},i=Math.max(3,i);const a=[],o=[],h=[],l=[];let c=t;const u=(e-t)/(s=Math.max(1,s)),d=new As,p=new Ss;for(let t=0;t<=s;t++){for(let t=0;t<=i;t++){const s=r+t/i*n;d.x=c*Math.cos(s),d.y=c*Math.sin(s),o.push(d.x,d.y,d.z),h.push(0,0,1),p.x=(d.x/e+1)/2,p.y=(d.y/e+1)/2,l.push(p.x,p.y)}c+=u}for(let t=0;t<s;t++){const e=t*(i+1);for(let t=0;t<i;t++){const s=t+e,r=s,n=s+i+1,o=s+i+2,h=s+1;a.push(r,n,h),a.push(n,o,h)}}this.setIndex(a),this.setAttribute("position",new kn(o,3)),this.setAttribute("normal",new kn(h,3)),this.setAttribute("uv",new kn(l,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Bl(t.innerRadius,t.outerRadius,t.thetaSegments,t.phiSegments,t.thetaStart,t.thetaLength)}}class Ol extends Wn{constructor(t=new Hh([new Ss(0,.5),new Ss(-.5,-.5),new Ss(.5,-.5)]),e=12){super(),this.type="ShapeGeometry",this.parameters={shapes:t,curveSegments:e};const i=[],s=[],r=[],n=[];let a=0,o=0;if(!1===Array.isArray(t))h(t);else for(let e=0;e<t.length;e++)h(t[e]),this.addGroup(a,o,e),a+=o,o=0;function h(t){const a=s.length/3,h=t.extractPoints(e);let l=h.shape;const c=h.holes;!1===Ml.isClockWise(l)&&(l=l.reverse());for(let t=0,e=c.length;t<e;t++){const e=c[t];!0===Ml.isClockWise(e)&&(c[t]=e.reverse())}const u=Ml.triangulateShape(l,c);for(let t=0,e=c.length;t<e;t++){const e=c[t];l=l.concat(e)}for(let t=0,e=l.length;t<e;t++){const e=l[t];s.push(e.x,e.y,0),r.push(0,0,1),n.push(e.x,e.y)}for(let t=0,e=u.length;t<e;t++){const e=u[t],s=e[0]+a,r=e[1]+a,n=e[2]+a;i.push(s,r,n),o+=3}}this.setIndex(i),this.setAttribute("position",new kn(s,3)),this.setAttribute("normal",new kn(r,3)),this.setAttribute("uv",new kn(n,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}toJSON(){const t=super.toJSON();return function(t,e){if(e.shapes=[],Array.isArray(t))for(let i=0,s=t.length;i<s;i++){const s=t[i];e.shapes.push(s.uuid)}else e.shapes.push(t.uuid);return e}(this.parameters.shapes,t)}static fromJSON(t,e){const i=[];for(let s=0,r=t.shapes.length;s<r;s++){const r=e[t.shapes[s]];i.push(r)}return new Ol(i,t.curveSegments)}}class Pl extends Wn{constructor(t=1,e=32,i=16,s=0,r=2*Math.PI,n=0,a=Math.PI){super(),this.type="SphereGeometry",this.parameters={radius:t,widthSegments:e,heightSegments:i,phiStart:s,phiLength:r,thetaStart:n,thetaLength:a},e=Math.max(3,Math.floor(e)),i=Math.max(2,Math.floor(i));const o=Math.min(n+a,Math.PI);let h=0;const l=[],c=new As,u=new As,d=[],p=[],m=[],y=[];for(let d=0;d<=i;d++){const g=[],f=d/i;let x=0;0===d&&0===n?x=.5/e:d===i&&o===Math.PI&&(x=-.5/e);for(let i=0;i<=e;i++){const o=i/e;c.x=-t*Math.cos(s+o*r)*Math.sin(n+f*a),c.y=t*Math.cos(n+f*a),c.z=t*Math.sin(s+o*r)*Math.sin(n+f*a),p.push(c.x,c.y,c.z),u.copy(c).normalize(),m.push(u.x,u.y,u.z),y.push(o+x,1-f),g.push(h++)}l.push(g)}for(let t=0;t<i;t++)for(let s=0;s<e;s++){const e=l[t][s+1],r=l[t][s],a=l[t+1][s],h=l[t+1][s+1];(0!==t||n>0)&&d.push(e,r,h),(t!==i-1||o<Math.PI)&&d.push(r,a,h)}this.setIndex(d),this.setAttribute("position",new kn(p,3)),this.setAttribute("normal",new kn(m,3)),this.setAttribute("uv",new kn(y,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Pl(t.radius,t.widthSegments,t.heightSegments,t.phiStart,t.phiLength,t.thetaStart,t.thetaLength)}}class Rl extends bh{constructor(t=1,e=0){super([1,1,1,-1,-1,1,-1,1,-1,1,-1,-1],[2,1,0,0,3,2,1,3,0,2,3,1],t,e),this.type="TetrahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new Rl(t.radius,t.detail)}}class Nl extends Wn{constructor(t=1,e=.4,i=12,s=48,r=2*Math.PI,n=0,a=2*Math.PI){super(),this.type="TorusGeometry",this.parameters={radius:t,tube:e,radialSegments:i,tubularSegments:s,arc:r,thetaStart:n,thetaLength:a},i=Math.floor(i),s=Math.floor(s);const o=[],h=[],l=[],c=[],u=new As,d=new As,p=new As;for(let o=0;o<=i;o++){const m=n+o/i*a;for(let n=0;n<=s;n++){const a=n/s*r;d.x=(t+e*Math.cos(m))*Math.cos(a),d.y=(t+e*Math.cos(m))*Math.sin(a),d.z=e*Math.sin(m),h.push(d.x,d.y,d.z),u.x=t*Math.cos(a),u.y=t*Math.sin(a),p.subVectors(d,u).normalize(),l.push(p.x,p.y,p.z),c.push(n/s),c.push(o/i)}}for(let t=1;t<=i;t++)for(let e=1;e<=s;e++){const i=(s+1)*t+e-1,r=(s+1)*(t-1)+e-1,n=(s+1)*(t-1)+e,a=(s+1)*t+e;o.push(i,r,a),o.push(r,n,a)}this.setIndex(o),this.setAttribute("position",new kn(h,3)),this.setAttribute("normal",new kn(l,3)),this.setAttribute("uv",new kn(c,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Nl(t.radius,t.tube,t.radialSegments,t.tubularSegments,t.arc)}}class Vl extends Wn{constructor(t=1,e=.4,i=64,s=8,r=2,n=3){super(),this.type="TorusKnotGeometry",this.parameters={radius:t,tube:e,tubularSegments:i,radialSegments:s,p:r,q:n},i=Math.floor(i),s=Math.floor(s);const a=[],o=[],h=[],l=[],c=new As,u=new As,d=new As,p=new As,m=new As,y=new As,g=new As;for(let a=0;a<=i;++a){const x=a/i*r*Math.PI*2;f(x,r,n,t,d),f(x+.01,r,n,t,p),y.subVectors(p,d),g.addVectors(p,d),m.crossVectors(y,g),g.crossVectors(m,y),m.normalize(),g.normalize();for(let t=0;t<=s;++t){const r=t/s*Math.PI*2,n=-e*Math.cos(r),p=e*Math.sin(r);c.x=d.x+(n*g.x+p*m.x),c.y=d.y+(n*g.y+p*m.y),c.z=d.z+(n*g.z+p*m.z),o.push(c.x,c.y,c.z),u.subVectors(c,d).normalize(),h.push(u.x,u.y,u.z),l.push(a/i),l.push(t/s)}}for(let t=1;t<=i;t++)for(let e=1;e<=s;e++){const i=(s+1)*(t-1)+(e-1),r=(s+1)*t+(e-1),n=(s+1)*t+e,o=(s+1)*(t-1)+e;a.push(i,r,o),a.push(r,n,o)}function f(t,e,i,s,r){const n=Math.cos(t),a=Math.sin(t),o=i/e*t,h=Math.cos(o);r.x=s*(2+h)*.5*n,r.y=s*(2+h)*a*.5,r.z=s*Math.sin(o)*.5}this.setIndex(a),this.setAttribute("position",new kn(o,3)),this.setAttribute("normal",new kn(h,3)),this.setAttribute("uv",new kn(l,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}static fromJSON(t){return new Vl(t.radius,t.tube,t.tubularSegments,t.radialSegments,t.p,t.q)}}class El extends Wn{constructor(t=new Uh(new As(-1,-1,0),new As(-1,1,0),new As(1,1,0)),e=64,i=1,s=8,r=!1){super(),this.type="TubeGeometry",this.parameters={path:t,tubularSegments:e,radius:i,radialSegments:s,closed:r};const n=t.computeFrenetFrames(e,r);this.tangents=n.tangents,this.normals=n.normals,this.binormals=n.binormals;const a=new As,o=new As,h=new Ss;let l=new As;const c=[],u=[],d=[],p=[];function m(r){l=t.getPointAt(r/e,l);const h=n.normals[r],d=n.binormals[r];for(let t=0;t<=s;t++){const e=t/s*Math.PI*2,r=Math.sin(e),n=-Math.cos(e);o.x=n*h.x+r*d.x,o.y=n*h.y+r*d.y,o.z=n*h.z+r*d.z,o.normalize(),u.push(o.x,o.y,o.z),a.x=l.x+i*o.x,a.y=l.y+i*o.y,a.z=l.z+i*o.z,c.push(a.x,a.y,a.z)}}!function(){for(let t=0;t<e;t++)m(t);m(!1===r?e:0),function(){for(let t=0;t<=e;t++)for(let i=0;i<=s;i++)h.x=t/e,h.y=i/s,d.push(h.x,h.y)}(),function(){for(let t=1;t<=e;t++)for(let e=1;e<=s;e++){const i=(s+1)*(t-1)+(e-1),r=(s+1)*t+(e-1),n=(s+1)*t+e,a=(s+1)*(t-1)+e;p.push(i,r,a),p.push(r,n,a)}}()}(),this.setIndex(p),this.setAttribute("position",new kn(c,3)),this.setAttribute("normal",new kn(u,3)),this.setAttribute("uv",new kn(d,2))}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}toJSON(){const t=super.toJSON();return t.path=this.parameters.path.toJSON(),t}static fromJSON(t){return new El((new qh[t.path.type]).fromJSON(t.path),t.tubularSegments,t.radius,t.radialSegments,t.closed)}}class Fl extends Wn{constructor(t=null){if(super(),this.type="WireframeGeometry",this.parameters={geometry:t},null!==t){const e=[],i=new Set,s=new As,r=new As;if(null!==t.index){const n=t.attributes.position,a=t.index;let o=t.groups;0===o.length&&(o=[{start:0,count:a.count,materialIndex:0}]);for(let t=0,h=o.length;t<h;++t){const h=o[t],l=h.start;for(let t=l,o=l+h.count;t<o;t+=3)for(let o=0;o<3;o++){const h=a.getX(t+o),l=a.getX(t+(o+1)%3);s.fromBufferAttribute(n,h),r.fromBufferAttribute(n,l),!0===Ll(s,r,i)&&(e.push(s.x,s.y,s.z),e.push(r.x,r.y,r.z))}}}else{const n=t.attributes.position;for(let t=0,a=n.count/3;t<a;t++)for(let a=0;a<3;a++){const o=3*t+a,h=3*t+(a+1)%3;s.fromBufferAttribute(n,o),r.fromBufferAttribute(n,h),!0===Ll(s,r,i)&&(e.push(s.x,s.y,s.z),e.push(r.x,r.y,r.z))}}this.setAttribute("position",new kn(e,3))}}copy(t){return super.copy(t),this.parameters=Object.assign({},t.parameters),this}}function Ll(t,e,i){const s=`${t.x},${t.y},${t.z}-${e.x},${e.y},${e.z}`,r=`${e.x},${e.y},${e.z}-${t.x},${t.y},${t.z}`;return!0!==i.has(s)&&!0!==i.has(r)&&(i.add(s),i.add(r),!0)}var jl=Object.freeze({__proto__:null,BoxGeometry:mh,CapsuleGeometry:yh,CircleGeometry:gh,ConeGeometry:xh,CylinderGeometry:fh,DodecahedronGeometry:vh,EdgesGeometry:Ah,ExtrudeGeometry:Al,IcosahedronGeometry:zl,LatheGeometry:Cl,OctahedronGeometry:Il,PlaneGeometry:kl,PolyhedronGeometry:bh,RingGeometry:Bl,ShapeGeometry:Ol,SphereGeometry:Pl,TetrahedronGeometry:Rl,TorusGeometry:Nl,TorusKnotGeometry:Vl,TubeGeometry:El,WireframeGeometry:Fl});class Dl extends Hn{constructor(t){super(),this.isShadowMaterial=!0,this.type="ShadowMaterial",this.color=new Or(0),this.transparent=!0,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.fog=t.fog,this}}function Wl(t){const e={};for(const i in t){e[i]={};for(const s in t[i]){const r=t[i][s];r&&(r.isColor||r.isMatrix3||r.isMatrix4||r.isVector2||r.isVector3||r.isVector4||r.isTexture||r.isQuaternion)?r.isRenderTargetTexture?(as("UniformsUtils: Textures of render targets cannot be cloned via cloneUniforms() or mergeUniforms()."),e[i][s]=null):e[i][s]=r.clone():Array.isArray(r)?e[i][s]=r.slice():e[i][s]=r}}return e}function Ul(t){const e={};for(let i=0;i<t.length;i++){const s=Wl(t[i]);for(const t in s)e[t]=s[t]}return e}function Jl(t){const e=t.getRenderTarget();return null===e?t.outputColorSpace:!0===e.isXRRenderTarget?e.texture.colorSpace:Ps.workingColorSpace}const ql={clone:Wl,merge:Ul};class Xl extends Hn{constructor(t){super(),this.isShaderMaterial=!0,this.type="ShaderMaterial",this.defines={},this.uniforms={},this.uniformsGroups=[],this.vertexShader="void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",this.fragmentShader="void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}",this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.forceSinglePass=!0,this.extensions={clipCullDistance:!1,multiDraw:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv1:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,void 0!==t&&this.setValues(t)}copy(t){return super.copy(t),this.fragmentShader=t.fragmentShader,this.vertexShader=t.vertexShader,this.uniforms=Wl(t.uniforms),this.uniformsGroups=function(t){const e=[];for(let i=0;i<t.length;i++)e.push(t[i].clone());return e}(t.uniformsGroups),this.defines=Object.assign({},t.defines),this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.fog=t.fog,this.lights=t.lights,this.clipping=t.clipping,this.extensions=Object.assign({},t.extensions),this.glslVersion=t.glslVersion,this.defaultAttributeValues=Object.assign({},t.defaultAttributeValues),this.index0AttributeName=t.index0AttributeName,this.uniformsNeedUpdate=t.uniformsNeedUpdate,this}toJSON(t){const e=super.toJSON(t);e.glslVersion=this.glslVersion,e.uniforms={};for(const i in this.uniforms){const s=this.uniforms[i].value;s&&s.isTexture?e.uniforms[i]={type:"t",value:s.toJSON(t).uuid}:s&&s.isColor?e.uniforms[i]={type:"c",value:s.getHex()}:s&&s.isVector2?e.uniforms[i]={type:"v2",value:s.toArray()}:s&&s.isVector3?e.uniforms[i]={type:"v3",value:s.toArray()}:s&&s.isVector4?e.uniforms[i]={type:"v4",value:s.toArray()}:s&&s.isMatrix3?e.uniforms[i]={type:"m3",value:s.toArray()}:s&&s.isMatrix4?e.uniforms[i]={type:"m4",value:s.toArray()}:e.uniforms[i]={value:s}}Object.keys(this.defines).length>0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader,e.lights=this.lights,e.clipping=this.clipping;const i={};for(const t in this.extensions)!0===this.extensions[t]&&(i[t]=!0);return Object.keys(i).length>0&&(e.extensions=i),e}}class Yl extends Xl{constructor(t){super(t),this.isRawShaderMaterial=!0,this.type="RawShaderMaterial"}}class Hl extends Hn{constructor(t){super(),this.isMeshStandardMaterial=!0,this.type="MeshStandardMaterial",this.defines={STANDARD:""},this.color=new Or(16777215),this.roughness=1,this.metalness=0,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Or(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Ss(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new or,this.envMapIntensity=1,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={STANDARD:""},this.color.copy(t.color),this.roughness=t.roughness,this.metalness=t.metalness,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.roughnessMap=t.roughnessMap,this.metalnessMap=t.metalnessMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.envMapIntensity=t.envMapIntensity,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Zl extends Hl{constructor(t){super(),this.isMeshPhysicalMaterial=!0,this.defines={STANDARD:"",PHYSICAL:""},this.type="MeshPhysicalMaterial",this.anisotropyRotation=0,this.anisotropyMap=null,this.clearcoatMap=null,this.clearcoatRoughness=0,this.clearcoatRoughnessMap=null,this.clearcoatNormalScale=new Ss(1,1),this.clearcoatNormalMap=null,this.ior=1.5,Object.defineProperty(this,"reflectivity",{get:function(){return fs(2.5*(this.ior-1)/(this.ior+1),0,1)},set:function(t){this.ior=(1+.4*t)/(1-.4*t)}}),this.iridescenceMap=null,this.iridescenceIOR=1.3,this.iridescenceThicknessRange=[100,400],this.iridescenceThicknessMap=null,this.sheenColor=new Or(0),this.sheenColorMap=null,this.sheenRoughness=1,this.sheenRoughnessMap=null,this.transmissionMap=null,this.thickness=0,this.thicknessMap=null,this.attenuationDistance=1/0,this.attenuationColor=new Or(1,1,1),this.specularIntensity=1,this.specularIntensityMap=null,this.specularColor=new Or(1,1,1),this.specularColorMap=null,this._anisotropy=0,this._clearcoat=0,this._dispersion=0,this._iridescence=0,this._sheen=0,this._transmission=0,this.setValues(t)}get anisotropy(){return this._anisotropy}set anisotropy(t){this._anisotropy>0!=t>0&&this.version++,this._anisotropy=t}get clearcoat(){return this._clearcoat}set clearcoat(t){this._clearcoat>0!=t>0&&this.version++,this._clearcoat=t}get iridescence(){return this._iridescence}set iridescence(t){this._iridescence>0!=t>0&&this.version++,this._iridescence=t}get dispersion(){return this._dispersion}set dispersion(t){this._dispersion>0!=t>0&&this.version++,this._dispersion=t}get sheen(){return this._sheen}set sheen(t){this._sheen>0!=t>0&&this.version++,this._sheen=t}get transmission(){return this._transmission}set transmission(t){this._transmission>0!=t>0&&this.version++,this._transmission=t}copy(t){return super.copy(t),this.defines={STANDARD:"",PHYSICAL:""},this.anisotropy=t.anisotropy,this.anisotropyRotation=t.anisotropyRotation,this.anisotropyMap=t.anisotropyMap,this.clearcoat=t.clearcoat,this.clearcoatMap=t.clearcoatMap,this.clearcoatRoughness=t.clearcoatRoughness,this.clearcoatRoughnessMap=t.clearcoatRoughnessMap,this.clearcoatNormalMap=t.clearcoatNormalMap,this.clearcoatNormalScale.copy(t.clearcoatNormalScale),this.dispersion=t.dispersion,this.ior=t.ior,this.iridescence=t.iridescence,this.iridescenceMap=t.iridescenceMap,this.iridescenceIOR=t.iridescenceIOR,this.iridescenceThicknessRange=[...t.iridescenceThicknessRange],this.iridescenceThicknessMap=t.iridescenceThicknessMap,this.sheen=t.sheen,this.sheenColor.copy(t.sheenColor),this.sheenColorMap=t.sheenColorMap,this.sheenRoughness=t.sheenRoughness,this.sheenRoughnessMap=t.sheenRoughnessMap,this.transmission=t.transmission,this.transmissionMap=t.transmissionMap,this.thickness=t.thickness,this.thicknessMap=t.thicknessMap,this.attenuationDistance=t.attenuationDistance,this.attenuationColor.copy(t.attenuationColor),this.specularIntensity=t.specularIntensity,this.specularIntensityMap=t.specularIntensityMap,this.specularColor.copy(t.specularColor),this.specularColorMap=t.specularColorMap,this}}class Gl extends Hn{constructor(t){super(),this.isMeshPhongMaterial=!0,this.type="MeshPhongMaterial",this.color=new Or(16777215),this.specular=new Or(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Or(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Ss(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new or,this.combine=0,this.reflectivity=1,this.envMapIntensity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.specular.copy(t.specular),this.shininess=t.shininess,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.envMapIntensity=t.envMapIntensity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class $l extends Hn{constructor(t){super(),this.isMeshToonMaterial=!0,this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new Or(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Or(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Ss(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.gradientMap=t.gradientMap,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}class Ql extends Hn{constructor(t){super(),this.isMeshNormalMaterial=!0,this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Ss(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.flatShading=t.flatShading,this}}class Kl extends Hn{constructor(t){super(),this.isMeshLambertMaterial=!0,this.type="MeshLambertMaterial",this.color=new Or(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Or(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Ss(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new or,this.combine=0,this.reflectivity=1,this.envMapIntensity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapRotation.copy(t.envMapRotation),this.combine=t.combine,this.reflectivity=t.reflectivity,this.envMapIntensity=t.envMapIntensity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class tc extends Hn{constructor(t){super(),this.isMeshDepthMaterial=!0,this.type="MeshDepthMaterial",this.depthPacking=3200,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.setValues(t)}copy(t){return super.copy(t),this.depthPacking=t.depthPacking,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this}}class ec extends Hn{constructor(t){super(),this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(t)}copy(t){return super.copy(t),this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this}}class ic extends Hn{constructor(t){super(),this.isMeshMatcapMaterial=!0,this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new Or(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Ss(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={MATCAP:""},this.color.copy(t.color),this.matcap=t.matcap,this.map=t.map,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.flatShading=t.flatShading,this.fog=t.fog,this}}class sc extends Vo{constructor(t){super(),this.isLineDashedMaterial=!0,this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(t)}copy(t){return super.copy(t),this.scale=t.scale,this.dashSize=t.dashSize,this.gapSize=t.gapSize,this}}function rc(t,e){return t&&t.constructor!==e?"number"==typeof e.BYTES_PER_ELEMENT?new e(t):Array.prototype.slice.call(t):t}function nc(t){const e=t.length,i=new Array(e);for(let t=0;t!==e;++t)i[t]=t;return i.sort(function(e,i){return t[e]-t[i]}),i}function ac(t,e,i){const s=t.length,r=new t.constructor(s);for(let n=0,a=0;a!==s;++n){const s=i[n]*e;for(let i=0;i!==e;++i)r[a++]=t[s+i]}return r}function oc(t,e,i,s){let r=1,n=t[0];for(;void 0!==n&&void 0===n[s];)n=t[r++];if(void 0===n)return;let a=n[s];if(void 0!==a)if(Array.isArray(a))do{a=n[s],void 0!==a&&(e.push(n.time),i.push(...a)),n=t[r++]}while(void 0!==n);else if(void 0!==a.toArray)do{a=n[s],void 0!==a&&(e.push(n.time),a.toArray(i,i.length)),n=t[r++]}while(void 0!==n);else do{a=n[s],void 0!==a&&(e.push(n.time),i.push(a)),n=t[r++]}while(void 0!==n)}class hc{static convertArray(t,e){return rc(t,e)}static isTypedArray(t){return $i(t)}static getKeyframeOrder(t){return nc(t)}static sortedArray(t,e,i){return ac(t,e,i)}static flattenJSON(t,e,i,s){oc(t,e,i,s)}static subclip(t,e,i,s,r=30){return function(t,e,i,s,r=30){const n=t.clone();n.name=e;const a=[];for(let t=0;t<n.tracks.length;++t){const e=n.tracks[t],o=e.getValueSize(),h=[],l=[];for(let t=0;t<e.times.length;++t){const n=e.times[t]*r;if(!(n<i||n>=s)){h.push(e.times[t]);for(let i=0;i<o;++i)l.push(e.values[t*o+i])}}0!==h.length&&(e.times=rc(h,e.times.constructor),e.values=rc(l,e.values.constructor),a.push(e))}n.tracks=a;let o=1/0;for(let t=0;t<n.tracks.length;++t)o>n.tracks[t].times[0]&&(o=n.tracks[t].times[0]);for(let t=0;t<n.tracks.length;++t)n.tracks[t].shift(-1*o);return n.resetDuration(),n}(t,e,i,s,r)}static makeClipAdditive(t,e=0,i=t,s=30){return function(t,e=0,i=t,s=30){s<=0&&(s=30);const r=i.tracks.length,n=e/s;for(let e=0;e<r;++e){const s=i.tracks[e],r=s.ValueTypeName;if("bool"===r||"string"===r)continue;const a=t.tracks.find(function(t){return t.name===s.name&&t.ValueTypeName===r});if(void 0===a)continue;let o=0;const h=s.getValueSize();s.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(o=h/3);let l=0;const c=a.getValueSize();a.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(l=c/3);const u=s.times.length-1;let d;if(n<=s.times[0]){const t=o,e=h-o;d=s.values.slice(t,e)}else if(n>=s.times[u]){const t=u*h+o,e=t+h-o;d=s.values.slice(t,e)}else{const t=s.createInterpolant(),e=o,i=h-o;t.evaluate(n),d=t.resultBuffer.slice(e,i)}"quaternion"===r&&(new _s).fromArray(d).normalize().conjugate().toArray(d);const p=a.times.length;for(let t=0;t<p;++t){const e=t*c+l;if("quaternion"===r)_s.multiplyQuaternionsFlat(a.values,e,d,0,a.values,e);else{const t=c-2*l;for(let i=0;i<t;++i)a.values[e+i]-=d[i]}}}return t.blendMode=Je,t}(t,e,i,s)}}class lc{constructor(t,e,i,s){this.parameterPositions=t,this._cachedIndex=0,this.resultBuffer=void 0!==s?s:new e.constructor(i),this.sampleValues=e,this.valueSize=i,this.settings=null,this.DefaultSettings_={}}evaluate(t){const e=this.parameterPositions;let i=this._cachedIndex,s=e[i],r=e[i-1];t:{e:{let n;i:{s:if(!(t<s)){for(let n=i+2;;){if(void 0===s){if(t<r)break s;return i=e.length,this._cachedIndex=i,this.copySampleValue_(i-1)}if(i===n)break;if(r=s,s=e[++i],t<s)break e}n=e.length;break i}if(!(t>=r)){const a=e[1];t<a&&(i=2,r=a);for(let n=i-2;;){if(void 0===r)return this._cachedIndex=0,this.copySampleValue_(0);if(i===n)break;if(s=r,r=e[--i-1],t>=r)break e}n=i,i=0;break i}break t}for(;i<n;){const s=i+n>>>1;t<e[s]?n=s:i=s+1}if(s=e[i],r=e[i-1],void 0===r)return this._cachedIndex=0,this.copySampleValue_(0);if(void 0===s)return i=e.length,this._cachedIndex=i,this.copySampleValue_(i-1)}this._cachedIndex=i,this.intervalChanged_(i,r,s)}return this.interpolate_(i,r,t,s)}getSettings_(){return this.settings||this.DefaultSettings_}copySampleValue_(t){const e=this.resultBuffer,i=this.sampleValues,s=this.valueSize,r=t*s;for(let t=0;t!==s;++t)e[t]=i[r+t];return e}interpolate_(){throw new Error("call to abstract method")}intervalChanged_(){}}class cc extends lc{constructor(t,e,i,s){super(t,e,i,s),this._weightPrev=-0,this._offsetPrev=-0,this._weightNext=-0,this._offsetNext=-0,this.DefaultSettings_={endingStart:je,endingEnd:je}}intervalChanged_(t,e,i){const s=this.parameterPositions;let r=t-2,n=t+1,a=s[r],o=s[n];if(void 0===a)switch(this.getSettings_().endingStart){case De:r=t,a=2*e-i;break;case We:r=s.length-2,a=e+s[r]-s[r+1];break;default:r=t,a=i}if(void 0===o)switch(this.getSettings_().endingEnd){case De:n=t,o=2*i-e;break;case We:n=1,o=i+s[1]-s[0];break;default:n=t-1,o=e}const h=.5*(i-e),l=this.valueSize;this._weightPrev=h/(e-a),this._weightNext=h/(o-i),this._offsetPrev=r*l,this._offsetNext=n*l}interpolate_(t,e,i,s){const r=this.resultBuffer,n=this.sampleValues,a=this.valueSize,o=t*a,h=o-a,l=this._offsetPrev,c=this._offsetNext,u=this._weightPrev,d=this._weightNext,p=(i-e)/(s-e),m=p*p,y=m*p,g=-u*y+2*u*m-u*p,f=(1+u)*y+(-1.5-2*u)*m+(-.5+u)*p+1,x=(-1-d)*y+(1.5+d)*m+.5*p,b=d*y-d*m;for(let t=0;t!==a;++t)r[t]=g*n[l+t]+f*n[h+t]+x*n[o+t]+b*n[c+t];return r}}class uc extends lc{constructor(t,e,i,s){super(t,e,i,s)}interpolate_(t,e,i,s){const r=this.resultBuffer,n=this.sampleValues,a=this.valueSize,o=t*a,h=o-a,l=(i-e)/(s-e),c=1-l;for(let t=0;t!==a;++t)r[t]=n[h+t]*c+n[o+t]*l;return r}}class dc extends lc{constructor(t,e,i,s){super(t,e,i,s)}interpolate_(t){return this.copySampleValue_(t-1)}}class pc extends lc{interpolate_(t,e,i,s){const r=this.resultBuffer,n=this.sampleValues,a=this.valueSize,o=t*a,h=o-a,l=this.settings||this.DefaultSettings_,c=l.inTangents,u=l.outTangents;if(!c||!u){const t=(i-e)/(s-e),l=1-t;for(let e=0;e!==a;++e)r[e]=n[h+e]*l+n[o+e]*t;return r}const d=2*a,p=t-1;for(let l=0;l!==a;++l){const a=n[h+l],m=n[o+l],y=p*d+2*l,g=u[y],f=u[y+1],x=t*d+2*l,b=c[x],v=c[x+1];let w,M,S,_,A,T=(i-e)/(s-e);for(let t=0;t<8;t++){w=T*T,M=w*T,S=1-T,_=S*S,A=_*S;const t=A*e+3*_*T*g+3*S*w*b+M*s-i;if(Math.abs(t)<1e-10)break;const r=3*_*(g-e)+6*S*T*(b-g)+3*w*(s-b);if(Math.abs(r)<1e-10)break;T-=t/r,T=Math.max(0,Math.min(1,T))}r[l]=A*a+3*_*T*f+3*S*w*v+M*m}return r}}class mc{constructor(t,e,i,s){if(void 0===t)throw new Error("THREE.KeyframeTrack: track name is undefined");if(void 0===e||0===e.length)throw new Error("THREE.KeyframeTrack: no keyframes in track named "+t);this.name=t,this.times=rc(e,this.TimeBufferType),this.values=rc(i,this.ValueBufferType),this.setInterpolation(s||this.DefaultInterpolation)}static toJSON(t){const e=t.constructor;let i;if(e.toJSON!==this.toJSON)i=e.toJSON(t);else{i={name:t.name,times:rc(t.times,Array),values:rc(t.values,Array)};const e=t.getInterpolation();e!==t.DefaultInterpolation&&(i.interpolation=e)}return i.type=t.ValueTypeName,i}InterpolantFactoryMethodDiscrete(t){return new dc(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodLinear(t){return new uc(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodSmooth(t){return new cc(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodBezier(t){const e=new pc(this.times,this.values,this.getValueSize(),t);return this.settings&&(e.settings=this.settings),e}setInterpolation(t){let e;switch(t){case Ve:e=this.InterpolantFactoryMethodDiscrete;break;case Ee:e=this.InterpolantFactoryMethodLinear;break;case Fe:e=this.InterpolantFactoryMethodSmooth;break;case Le:e=this.InterpolantFactoryMethodBezier}if(void 0===e){const e="unsupported interpolation for "+this.ValueTypeName+" keyframe track named "+this.name;if(void 0===this.createInterpolant){if(t===this.DefaultInterpolation)throw new Error(e);this.setInterpolation(this.DefaultInterpolation)}return as("KeyframeTrack:",e),this}return this.createInterpolant=e,this}getInterpolation(){switch(this.createInterpolant){case this.InterpolantFactoryMethodDiscrete:return Ve;case this.InterpolantFactoryMethodLinear:return Ee;case this.InterpolantFactoryMethodSmooth:return Fe;case this.InterpolantFactoryMethodBezier:return Le}}getValueSize(){return this.values.length/this.times.length}shift(t){if(0!==t){const e=this.times;for(let i=0,s=e.length;i!==s;++i)e[i]+=t}return this}scale(t){if(1!==t){const e=this.times;for(let i=0,s=e.length;i!==s;++i)e[i]*=t}return this}trim(t,e){const i=this.times,s=i.length;let r=0,n=s-1;for(;r!==s&&i[r]<t;)++r;for(;-1!==n&&i[n]>e;)--n;if(++n,0!==r||n!==s){r>=n&&(n=Math.max(n,1),r=n-1);const t=this.getValueSize();this.times=i.slice(r,n),this.values=this.values.slice(r*t,n*t)}return this}validate(){let t=!0;const e=this.getValueSize();e-Math.floor(e)!==0&&(os("KeyframeTrack: Invalid value size in track.",this),t=!1);const i=this.times,s=this.values,r=i.length;0===r&&(os("KeyframeTrack: Track is empty.",this),t=!1);let n=null;for(let e=0;e!==r;e++){const s=i[e];if("number"==typeof s&&isNaN(s)){os("KeyframeTrack: Time is not a valid number.",this,e,s),t=!1;break}if(null!==n&&n>s){os("KeyframeTrack: Out of order keys.",this,e,s,n),t=!1;break}n=s}if(void 0!==s&&$i(s))for(let e=0,i=s.length;e!==i;++e){const i=s[e];if(isNaN(i)){os("KeyframeTrack: Value is not a valid number.",this,e,i),t=!1;break}}return t}optimize(){const t=this.times.slice(),e=this.values.slice(),i=this.getValueSize(),s=this.getInterpolation()===Fe,r=t.length-1;let n=1;for(let a=1;a<r;++a){let r=!1;const o=t[a];if(o!==t[a+1]&&(1!==a||o!==t[0]))if(s)r=!0;else{const t=a*i,s=t-i,n=t+i;for(let a=0;a!==i;++a){const i=e[t+a];if(i!==e[s+a]||i!==e[n+a]){r=!0;break}}}if(r){if(a!==n){t[n]=t[a];const s=a*i,r=n*i;for(let t=0;t!==i;++t)e[r+t]=e[s+t]}++n}}if(r>0){t[n]=t[r];for(let t=r*i,s=n*i,a=0;a!==i;++a)e[s+a]=e[t+a];++n}return n!==t.length?(this.times=t.slice(0,n),this.values=e.slice(0,n*i)):(this.times=t,this.values=e),this}clone(){const t=this.times.slice(),e=this.values.slice(),i=new(0,this.constructor)(this.name,t,e);return i.createInterpolant=this.createInterpolant,i}}mc.prototype.ValueTypeName="",mc.prototype.TimeBufferType=Float32Array,mc.prototype.ValueBufferType=Float32Array,mc.prototype.DefaultInterpolation=Ee;class yc extends mc{constructor(t,e,i){super(t,e,i)}}yc.prototype.ValueTypeName="bool",yc.prototype.ValueBufferType=Array,yc.prototype.DefaultInterpolation=Ve,yc.prototype.InterpolantFactoryMethodLinear=void 0,yc.prototype.InterpolantFactoryMethodSmooth=void 0;class gc extends mc{constructor(t,e,i,s){super(t,e,i,s)}}gc.prototype.ValueTypeName="color";class fc extends mc{constructor(t,e,i,s){super(t,e,i,s)}}fc.prototype.ValueTypeName="number";class xc extends lc{constructor(t,e,i,s){super(t,e,i,s)}interpolate_(t,e,i,s){const r=this.resultBuffer,n=this.sampleValues,a=this.valueSize,o=(i-e)/(s-e);let h=t*a;for(let t=h+a;h!==t;h+=4)_s.slerpFlat(r,0,n,h-a,n,h,o);return r}}class bc extends mc{constructor(t,e,i,s){super(t,e,i,s)}InterpolantFactoryMethodLinear(t){return new xc(this.times,this.values,this.getValueSize(),t)}}bc.prototype.ValueTypeName="quaternion",bc.prototype.InterpolantFactoryMethodSmooth=void 0;class vc extends mc{constructor(t,e,i){super(t,e,i)}}vc.prototype.ValueTypeName="string",vc.prototype.ValueBufferType=Array,vc.prototype.DefaultInterpolation=Ve,vc.prototype.InterpolantFactoryMethodLinear=void 0,vc.prototype.InterpolantFactoryMethodSmooth=void 0;class wc extends mc{constructor(t,e,i,s){super(t,e,i,s)}}wc.prototype.ValueTypeName="vector";class Mc{constructor(t="",e=-1,i=[],s=2500){this.name=t,this.tracks=i,this.duration=e,this.blendMode=s,this.uuid=gs(),this.userData={},this.duration<0&&this.resetDuration()}static parse(t){const e=[],i=t.tracks,s=1/(t.fps||1);for(let t=0,r=i.length;t!==r;++t)e.push(Sc(i[t]).scale(s));const r=new this(t.name,t.duration,e,t.blendMode);return r.uuid=t.uuid,r.userData=JSON.parse(t.userData||"{}"),r}static toJSON(t){const e=[],i=t.tracks,s={name:t.name,duration:t.duration,tracks:e,uuid:t.uuid,blendMode:t.blendMode,userData:JSON.stringify(t.userData)};for(let t=0,s=i.length;t!==s;++t)e.push(mc.toJSON(i[t]));return s}static CreateFromMorphTargetSequence(t,e,i,s){const r=e.length,n=[];for(let t=0;t<r;t++){let a=[],o=[];a.push((t+r-1)%r,t,(t+1)%r),o.push(0,1,0);const h=nc(a);a=ac(a,1,h),o=ac(o,1,h),s||0!==a[0]||(a.push(r),o.push(o[0])),n.push(new fc(".morphTargetInfluences["+e[t].name+"]",a,o).scale(1/i))}return new this(t,-1,n)}static findByName(t,e){let i=t;if(!Array.isArray(t)){const e=t;i=e.geometry&&e.geometry.animations||e.animations}for(let t=0;t<i.length;t++)if(i[t].name===e)return i[t];return null}static CreateClipsFromMorphTargetSequences(t,e,i){const s={},r=/^([\w-]*?)([\d]+)$/;for(let e=0,i=t.length;e<i;e++){const i=t[e],n=i.name.match(r);if(n&&n.length>1){const t=n[1];let e=s[t];e||(s[t]=e=[]),e.push(i)}}const n=[];for(const t in s)n.push(this.CreateFromMorphTargetSequence(t,s[t],e,i));return n}static parseAnimation(t,e){if(as("AnimationClip: parseAnimation() is deprecated and will be removed with r185"),!t)return os("AnimationClip: No animation in JSONLoader data."),null;const i=function(t,e,i,s,r){if(0!==i.length){const n=[],a=[];oc(i,n,a,s),0!==n.length&&r.push(new t(e,n,a))}},s=[],r=t.name||"default",n=t.fps||30,a=t.blendMode;let o=t.length||-1;const h=t.hierarchy||[];for(let t=0;t<h.length;t++){const r=h[t].keys;if(r&&0!==r.length)if(r[0].morphTargets){const t={};let e;for(e=0;e<r.length;e++)if(r[e].morphTargets)for(let i=0;i<r[e].morphTargets.length;i++)t[r[e].morphTargets[i]]=-1;for(const i in t){const t=[],n=[];for(let s=0;s!==r[e].morphTargets.length;++s){const s=r[e];t.push(s.time),n.push(s.morphTarget===i?1:0)}s.push(new fc(".morphTargetInfluence["+i+"]",t,n))}o=t.length*n}else{const n=".bones["+e[t].name+"]";i(wc,n+".position",r,"pos",s),i(bc,n+".quaternion",r,"rot",s),i(wc,n+".scale",r,"scl",s)}}if(0===s.length)return null;return new this(r,o,s,a)}resetDuration(){let t=0;for(let e=0,i=this.tracks.length;e!==i;++e){const i=this.tracks[e];t=Math.max(t,i.times[i.times.length-1])}return this.duration=t,this}trim(){for(let t=0;t<this.tracks.length;t++)this.tracks[t].trim(0,this.duration);return this}validate(){let t=!0;for(let e=0;e<this.tracks.length;e++)t=t&&this.tracks[e].validate();return t}optimize(){for(let t=0;t<this.tracks.length;t++)this.tracks[t].optimize();return this}clone(){const t=[];for(let e=0;e<this.tracks.length;e++)t.push(this.tracks[e].clone());const e=new this.constructor(this.name,this.duration,t,this.blendMode);return e.userData=JSON.parse(JSON.stringify(this.userData)),e}toJSON(){return this.constructor.toJSON(this)}}function Sc(t){if(void 0===t.type)throw new Error("THREE.KeyframeTrack: track type undefined, can not parse");const e=function(t){switch(t.toLowerCase()){case"scalar":case"double":case"float":case"number":case"integer":return fc;case"vector":case"vector2":case"vector3":case"vector4":return wc;case"color":return gc;case"quaternion":return bc;case"bool":case"boolean":return yc;case"string":return vc}throw new Error("THREE.KeyframeTrack: Unsupported typeName: "+t)}(t.type);if(void 0===t.times){const e=[],i=[];oc(t.keys,e,i,"value"),t.times=e,t.values=i}return void 0!==e.parse?e.parse(t):new e(t.name,t.times,t.values,t.interpolation)}const _c={enabled:!1,files:{},add:function(t,e){!1!==this.enabled&&(this.files[t]=e)},get:function(t){if(!1!==this.enabled)return this.files[t]},remove:function(t){delete this.files[t]},clear:function(){this.files={}}};class Ac{constructor(t,e,i){const s=this;let r,n=!1,a=0,o=0;const h=[];this.onStart=void 0,this.onLoad=t,this.onProgress=e,this.onError=i,this._abortController=null,this.itemStart=function(t){o++,!1===n&&void 0!==s.onStart&&s.onStart(t,a,o),n=!0},this.itemEnd=function(t){a++,void 0!==s.onProgress&&s.onProgress(t,a,o),a===o&&(n=!1,void 0!==s.onLoad&&s.onLoad())},this.itemError=function(t){void 0!==s.onError&&s.onError(t)},this.resolveURL=function(t){return r?r(t):t},this.setURLModifier=function(t){return r=t,this},this.addHandler=function(t,e){return h.push(t,e),this},this.removeHandler=function(t){const e=h.indexOf(t);return-1!==e&&h.splice(e,2),this},this.getHandler=function(t){for(let e=0,i=h.length;e<i;e+=2){const i=h[e],s=h[e+1];if(i.global&&(i.lastIndex=0),i.test(t))return s}return null},this.abort=function(){return this.abortController.abort(),this._abortController=null,this}}get abortController(){return this._abortController||(this._abortController=new AbortController),this._abortController}}const Tc=new Ac;class zc{constructor(t){this.manager=void 0!==t?t:Tc,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}load(){}loadAsync(t,e){const i=this;return new Promise(function(s,r){i.load(t,s,e,r)})}parse(){}setCrossOrigin(t){return this.crossOrigin=t,this}setWithCredentials(t){return this.withCredentials=t,this}setPath(t){return this.path=t,this}setResourcePath(t){return this.resourcePath=t,this}setRequestHeader(t){return this.requestHeader=t,this}abort(){return this}}zc.DEFAULT_MATERIAL_NAME="__DEFAULT";const Cc={};class Ic extends Error{constructor(t,e){super(t),this.response=e}}class kc extends zc{constructor(t){super(t),this.mimeType="",this.responseType="",this._abortController=new AbortController}load(t,e,i,s){void 0===t&&(t=""),void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=_c.get(`file:${t}`);if(void 0!==r)return this.manager.itemStart(t),setTimeout(()=>{e&&e(r),this.manager.itemEnd(t)},0),r;if(void 0!==Cc[t])return void Cc[t].push({onLoad:e,onProgress:i,onError:s});Cc[t]=[],Cc[t].push({onLoad:e,onProgress:i,onError:s});const n=new Request(t,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin",signal:"function"==typeof AbortSignal.any?AbortSignal.any([this._abortController.signal,this.manager.abortController.signal]):this._abortController.signal}),a=this.mimeType,o=this.responseType;fetch(n).then(e=>{if(200===e.status||0===e.status){if(0===e.status&&as("FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===e.body||void 0===e.body.getReader)return e;const i=Cc[t],s=e.body.getReader(),r=e.headers.get("X-File-Size")||e.headers.get("Content-Length"),n=r?parseInt(r):0,a=0!==n;let o=0;const h=new ReadableStream({start(t){!function e(){s.read().then(({done:s,value:r})=>{if(s)t.close();else{o+=r.byteLength;const s=new ProgressEvent("progress",{lengthComputable:a,loaded:o,total:n});for(let t=0,e=i.length;t<e;t++){const e=i[t];e.onProgress&&e.onProgress(s)}t.enqueue(r),e()}},e=>{t.error(e)})}()}});return new Response(h)}throw new Ic(`fetch for "${e.url}" responded with ${e.status}: ${e.statusText}`,e)}).then(t=>{switch(o){case"arraybuffer":return t.arrayBuffer();case"blob":return t.blob();case"document":return t.text().then(t=>(new DOMParser).parseFromString(t,a));case"json":return t.json();default:if(""===a)return t.text();{const e=/charset="?([^;"\s]*)"?/i.exec(a),i=e&&e[1]?e[1].toLowerCase():void 0,s=new TextDecoder(i);return t.arrayBuffer().then(t=>s.decode(t))}}}).then(e=>{_c.add(`file:${t}`,e);const i=Cc[t];delete Cc[t];for(let t=0,s=i.length;t<s;t++){const s=i[t];s.onLoad&&s.onLoad(e)}}).catch(e=>{const i=Cc[t];if(void 0===i)throw this.manager.itemError(t),e;delete Cc[t];for(let t=0,s=i.length;t<s;t++){const s=i[t];s.onError&&s.onError(e)}this.manager.itemError(t)}).finally(()=>{this.manager.itemEnd(t)}),this.manager.itemStart(t)}setResponseType(t){return this.responseType=t,this}setMimeType(t){return this.mimeType=t,this}abort(){return this._abortController.abort(),this._abortController=new AbortController,this}}class Bc extends zc{constructor(t){super(t)}load(t,e,i,s){const r=this,n=new kc(this.manager);n.setPath(this.path),n.setRequestHeader(this.requestHeader),n.setWithCredentials(this.withCredentials),n.load(t,function(i){try{e(r.parse(JSON.parse(i)))}catch(e){s?s(e):os(e),r.manager.itemError(t)}},i,s)}parse(t){const e=[];for(let i=0;i<t.length;i++){const s=Mc.parse(t[i]);e.push(s)}return e}}class Oc extends zc{constructor(t){super(t)}load(t,e,i,s){const r=this,n=[],a=new ah,o=new kc(this.manager);o.setPath(this.path),o.setResponseType("arraybuffer"),o.setRequestHeader(this.requestHeader),o.setWithCredentials(r.withCredentials);let h=0;function l(l){o.load(t[l],function(t){const i=r.parse(t,!0);n[l]={width:i.width,height:i.height,format:i.format,mipmaps:i.mipmaps},h+=1,6===h&&(1===i.mipmapCount&&(a.minFilter=Mt),a.image=n,a.format=i.format,a.needsUpdate=!0,e&&e(a))},i,s)}if(Array.isArray(t))for(let e=0,i=t.length;e<i;++e)l(e);else o.load(t,function(t){const i=r.parse(t,!0);if(i.isCubemap){const t=i.mipmaps.length/i.mipmapCount;for(let e=0;e<t;e++){n[e]={mipmaps:[]};for(let t=0;t<i.mipmapCount;t++)n[e].mipmaps.push(i.mipmaps[e*i.mipmapCount+t]),n[e].format=i.format,n[e].width=i.width,n[e].height=i.height}a.image=n}else a.image.width=i.width,a.image.height=i.height,a.mipmaps=i.mipmaps;1===i.mipmapCount&&(a.minFilter=Mt),a.format=i.format,a.needsUpdate=!0,e&&e(a)},i,s);return a}}const Pc=new WeakMap;class Rc extends zc{constructor(t){super(t)}load(t,e,i,s){void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=this,n=_c.get(`image:${t}`);if(void 0!==n){if(!0===n.complete)r.manager.itemStart(t),setTimeout(function(){e&&e(n),r.manager.itemEnd(t)},0);else{let t=Pc.get(n);void 0===t&&(t=[],Pc.set(n,t)),t.push({onLoad:e,onError:s})}return n}const a=Qi("img");function o(){l(),e&&e(this);const i=Pc.get(this)||[];for(let t=0;t<i.length;t++){const e=i[t];e.onLoad&&e.onLoad(this)}Pc.delete(this),r.manager.itemEnd(t)}function h(e){l(),s&&s(e),_c.remove(`image:${t}`);const i=Pc.get(this)||[];for(let t=0;t<i.length;t++){const s=i[t];s.onError&&s.onError(e)}Pc.delete(this),r.manager.itemError(t),r.manager.itemEnd(t)}function l(){a.removeEventListener("load",o,!1),a.removeEventListener("error",h,!1)}return a.addEventListener("load",o,!1),a.addEventListener("error",h,!1),"data:"!==t.slice(0,5)&&void 0!==this.crossOrigin&&(a.crossOrigin=this.crossOrigin),_c.add(`image:${t}`,a),r.manager.itemStart(t),a.src=t,a}}class Nc extends zc{constructor(t){super(t)}load(t,e,i,s){const r=new lh;r.colorSpace=ei;const n=new Rc(this.manager);n.setCrossOrigin(this.crossOrigin),n.setPath(this.path);let a=0;function o(i){n.load(t[i],function(t){r.images[i]=t,a++,6===a&&(r.needsUpdate=!0,e&&e(r))},void 0,s)}for(let e=0;e<t.length;++e)o(e);return r}}class Vc extends zc{constructor(t){super(t)}load(t,e,i,s){const r=this,n=new Xa,a=new kc(this.manager);return a.setResponseType("arraybuffer"),a.setRequestHeader(this.requestHeader),a.setPath(this.path),a.setWithCredentials(r.withCredentials),a.load(t,function(t){let i;try{i=r.parse(t)}catch(t){if(void 0===s)return void t(t);s(t)}void 0!==i.image?n.image=i.image:void 0!==i.data&&(n.image.width=i.width,n.image.height=i.height,n.image.data=i.data),n.wrapS=void 0!==i.wrapS?i.wrapS:yt,n.wrapT=void 0!==i.wrapT?i.wrapT:yt,n.magFilter=void 0!==i.magFilter?i.magFilter:Mt,n.minFilter=void 0!==i.minFilter?i.minFilter:Mt,n.anisotropy=void 0!==i.anisotropy?i.anisotropy:1,void 0!==i.colorSpace&&(n.colorSpace=i.colorSpace),void 0!==i.flipY&&(n.flipY=i.flipY),void 0!==i.format&&(n.format=i.format),void 0!==i.type&&(n.type=i.type),void 0!==i.mipmaps&&(n.mipmaps=i.mipmaps,n.minFilter=At),1===i.mipmapCount&&(n.minFilter=Mt),void 0!==i.generateMipmaps&&(n.generateMipmaps=i.generateMipmaps),n.needsUpdate=!0,e&&e(n,i)},i,s),n}}class Ec extends zc{constructor(t){super(t)}load(t,e,i,s){const r=new Us,n=new Rc(this.manager);return n.setCrossOrigin(this.crossOrigin),n.setPath(this.path),n.load(t,function(t){r.image=t,r.needsUpdate=!0,void 0!==e&&e(r)},i,s),r}}class Fc extends _r{constructor(t,e=1){super(),this.isLight=!0,this.type="Light",this.color=new Or(t),this.intensity=e}dispose(){this.dispatchEvent({type:"dispose"})}copy(t,e){return super.copy(t,e),this.color.copy(t.color),this.intensity=t.intensity,this}toJSON(t){const e=super.toJSON(t);return e.object.color=this.color.getHex(),e.object.intensity=this.intensity,e}}class Lc extends Fc{constructor(t,e,i){super(t,i),this.isHemisphereLight=!0,this.type="HemisphereLight",this.position.copy(_r.DEFAULT_UP),this.updateMatrix(),this.groundColor=new Or(e)}copy(t,e){return super.copy(t,e),this.groundColor.copy(t.groundColor),this}toJSON(t){const e=super.toJSON(t);return e.object.groundColor=this.groundColor.getHex(),e}}const jc=new $s,Dc=new As,Wc=new As;class Uc{constructor(t){this.camera=t,this.intensity=1,this.bias=0,this.biasNode=null,this.normalBias=0,this.radius=1,this.blurSamples=8,this.mapSize=new Ss(512,512),this.mapType=zt,this.map=null,this.mapPass=null,this.matrix=new $s,this.autoUpdate=!0,this.needsUpdate=!1,this._frustum=new po,this._frameExtents=new Ss(1,1),this._viewportCount=1,this._viewports=[new Js(0,0,1,1)]}getViewportCount(){return this._viewportCount}getFrustum(){return this._frustum}updateMatrices(t){const e=this.camera,i=this.matrix;Dc.setFromMatrixPosition(t.matrixWorld),e.position.copy(Dc),Wc.setFromMatrixPosition(t.target.matrixWorld),e.lookAt(Wc),e.updateMatrixWorld(),jc.multiplyMatrices(e.projectionMatrix,e.matrixWorldInverse),this._frustum.setFromProjectionMatrix(jc,e.coordinateSystem,e.reversedDepth),e.coordinateSystem===Ji||e.reversedDepth?i.set(.5,0,0,.5,0,.5,0,.5,0,0,1,0,0,0,0,1):i.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),i.multiply(jc)}getViewport(t){return this._viewports[t]}getFrameExtents(){return this._frameExtents}dispose(){this.map&&this.map.dispose(),this.mapPass&&this.mapPass.dispose()}copy(t){return this.camera=t.camera.clone(),this.intensity=t.intensity,this.bias=t.bias,this.radius=t.radius,this.autoUpdate=t.autoUpdate,this.needsUpdate=t.needsUpdate,this.normalBias=t.normalBias,this.blurSamples=t.blurSamples,this.mapSize.copy(t.mapSize),this.biasNode=t.biasNode,this}clone(){return(new this.constructor).copy(this)}toJSON(){const t={};return 1!==this.intensity&&(t.intensity=this.intensity),0!==this.bias&&(t.bias=this.bias),0!==this.normalBias&&(t.normalBias=this.normalBias),1!==this.radius&&(t.radius=this.radius),512===this.mapSize.x&&512===this.mapSize.y||(t.mapSize=this.mapSize.toArray()),t.camera=this.camera.toJSON(!1).object,delete t.camera.matrix,t}}const Jc=new As,qc=new _s,Xc=new As;class Yc extends _r{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new $s,this.projectionMatrix=new $s,this.projectionMatrixInverse=new $s,this.coordinateSystem=Ui,this._reversedDepth=!1}get reversedDepth(){return this._reversedDepth}copy(t,e){return super.copy(t,e),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this.projectionMatrixInverse.copy(t.projectionMatrixInverse),this.coordinateSystem=t.coordinateSystem,this}getWorldDirection(t){return super.getWorldDirection(t).negate()}updateMatrixWorld(t){super.updateMatrixWorld(t),this.matrixWorld.decompose(Jc,qc,Xc),1===Xc.x&&1===Xc.y&&1===Xc.z?this.matrixWorldInverse.copy(this.matrixWorld).invert():this.matrixWorldInverse.compose(Jc,qc,Xc.set(1,1,1)).invert()}updateWorldMatrix(t,e){super.updateWorldMatrix(t,e),this.matrixWorld.decompose(Jc,qc,Xc),1===Xc.x&&1===Xc.y&&1===Xc.z?this.matrixWorldInverse.copy(this.matrixWorld).invert():this.matrixWorldInverse.compose(Jc,qc,Xc.set(1,1,1)).invert()}clone(){return(new this.constructor).copy(this)}}const Hc=new As,Zc=new Ss,Gc=new Ss;class $c extends Yc{constructor(t=50,e=1,i=.1,s=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=i,this.far=s,this.focus=10,this.aspect=e,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=null===t.view?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this}setFocalLength(t){const e=.5*this.getFilmHeight()/t;this.fov=2*ys*Math.atan(e),this.updateProjectionMatrix()}getFocalLength(){const t=Math.tan(.5*ms*this.fov);return.5*this.getFilmHeight()/t}getEffectiveFOV(){return 2*ys*Math.atan(Math.tan(.5*ms*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(t,e,i){Hc.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),e.set(Hc.x,Hc.y).multiplyScalar(-t/Hc.z),Hc.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),i.set(Hc.x,Hc.y).multiplyScalar(-t/Hc.z)}getViewSize(t,e){return this.getViewBounds(t,Zc,Gc),e.subVectors(Gc,Zc)}setViewOffset(t,e,i,s,r,n){this.aspect=t/e,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=i,this.view.offsetY=s,this.view.width=r,this.view.height=n,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=this.near;let e=t*Math.tan(.5*ms*this.fov)/this.zoom,i=2*e,s=this.aspect*i,r=-.5*s;const n=this.view;if(null!==this.view&&this.view.enabled){const t=n.fullWidth,a=n.fullHeight;r+=n.offsetX*s/t,e-=n.offsetY*i/a,s*=n.width/t,i*=n.height/a}const a=this.filmOffset;0!==a&&(r+=t*a/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+s,e,e-i,t,this.far,this.coordinateSystem,this.reversedDepth),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.fov=this.fov,e.object.zoom=this.zoom,e.object.near=this.near,e.object.far=this.far,e.object.focus=this.focus,e.object.aspect=this.aspect,null!==this.view&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}}class Qc extends Uc{constructor(){super(new $c(50,1,.5,500)),this.isSpotLightShadow=!0,this.focus=1,this.aspect=1}updateMatrices(t){const e=this.camera,i=2*ys*t.angle*this.focus,s=this.mapSize.width/this.mapSize.height*this.aspect,r=t.distance||e.far;i===e.fov&&s===e.aspect&&r===e.far||(e.fov=i,e.aspect=s,e.far=r,e.updateProjectionMatrix()),super.updateMatrices(t)}copy(t){return super.copy(t),this.focus=t.focus,this}}class Kc extends Fc{constructor(t,e,i=0,s=Math.PI/3,r=0,n=2){super(t,e),this.isSpotLight=!0,this.type="SpotLight",this.position.copy(_r.DEFAULT_UP),this.updateMatrix(),this.target=new _r,this.distance=i,this.angle=s,this.penumbra=r,this.decay=n,this.map=null,this.shadow=new Qc}get power(){return this.intensity*Math.PI}set power(t){this.intensity=t/Math.PI}dispose(){super.dispose(),this.shadow.dispose()}copy(t,e){return super.copy(t,e),this.distance=t.distance,this.angle=t.angle,this.penumbra=t.penumbra,this.decay=t.decay,this.target=t.target.clone(),this.map=t.map,this.shadow=t.shadow.clone(),this}toJSON(t){const e=super.toJSON(t);return e.object.distance=this.distance,e.object.angle=this.angle,e.object.decay=this.decay,e.object.penumbra=this.penumbra,e.object.target=this.target.uuid,this.map&&this.map.isTexture&&(e.object.map=this.map.toJSON(t).uuid),e.object.shadow=this.shadow.toJSON(),e}}class tu extends Uc{constructor(){super(new $c(90,1,.5,500)),this.isPointLightShadow=!0}}class eu extends Fc{constructor(t,e,i=0,s=2){super(t,e),this.isPointLight=!0,this.type="PointLight",this.distance=i,this.decay=s,this.shadow=new tu}get power(){return 4*this.intensity*Math.PI}set power(t){this.intensity=t/(4*Math.PI)}dispose(){super.dispose(),this.shadow.dispose()}copy(t,e){return super.copy(t,e),this.distance=t.distance,this.decay=t.decay,this.shadow=t.shadow.clone(),this}toJSON(t){const e=super.toJSON(t);return e.object.distance=this.distance,e.object.decay=this.decay,e.object.shadow=this.shadow.toJSON(),e}}class iu extends Yc{constructor(t=-1,e=1,i=1,s=-1,r=.1,n=2e3){super(),this.isOrthographicCamera=!0,this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=t,this.right=e,this.top=i,this.bottom=s,this.near=r,this.far=n,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.left=t.left,this.right=t.right,this.top=t.top,this.bottom=t.bottom,this.near=t.near,this.far=t.far,this.zoom=t.zoom,this.view=null===t.view?null:Object.assign({},t.view),this}setViewOffset(t,e,i,s,r,n){null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=i,this.view.offsetY=s,this.view.width=r,this.view.height=n,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=(this.right-this.left)/(2*this.zoom),e=(this.top-this.bottom)/(2*this.zoom),i=(this.right+this.left)/2,s=(this.top+this.bottom)/2;let r=i-t,n=i+t,a=s+e,o=s-e;if(null!==this.view&&this.view.enabled){const t=(this.right-this.left)/this.view.fullWidth/this.zoom,e=(this.top-this.bottom)/this.view.fullHeight/this.zoom;r+=t*this.view.offsetX,n=r+t*this.view.width,a-=e*this.view.offsetY,o=a-e*this.view.height}this.projectionMatrix.makeOrthographic(r,n,a,o,this.near,this.far,this.coordinateSystem,this.reversedDepth),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.zoom=this.zoom,e.object.left=this.left,e.object.right=this.right,e.object.top=this.top,e.object.bottom=this.bottom,e.object.near=this.near,e.object.far=this.far,null!==this.view&&(e.object.view=Object.assign({},this.view)),e}}class su extends Uc{constructor(){super(new iu(-5,5,5,-5,.5,500)),this.isDirectionalLightShadow=!0}}class ru extends Fc{constructor(t,e){super(t,e),this.isDirectionalLight=!0,this.type="DirectionalLight",this.position.copy(_r.DEFAULT_UP),this.updateMatrix(),this.target=new _r,this.shadow=new su}dispose(){super.dispose(),this.shadow.dispose()}copy(t){return super.copy(t),this.target=t.target.clone(),this.shadow=t.shadow.clone(),this}toJSON(t){const e=super.toJSON(t);return e.object.shadow=this.shadow.toJSON(),e.object.target=this.target.uuid,e}}class nu extends Fc{constructor(t,e){super(t,e),this.isAmbientLight=!0,this.type="AmbientLight"}}class au extends Fc{constructor(t,e,i=10,s=10){super(t,e),this.isRectAreaLight=!0,this.type="RectAreaLight",this.width=i,this.height=s}get power(){return this.intensity*this.width*this.height*Math.PI}set power(t){this.intensity=t/(this.width*this.height*Math.PI)}copy(t){return super.copy(t),this.width=t.width,this.height=t.height,this}toJSON(t){const e=super.toJSON(t);return e.object.width=this.width,e.object.height=this.height,e}}class ou{constructor(){this.isSphericalHarmonics3=!0,this.coefficients=[];for(let t=0;t<9;t++)this.coefficients.push(new As)}set(t){for(let e=0;e<9;e++)this.coefficients[e].copy(t[e]);return this}zero(){for(let t=0;t<9;t++)this.coefficients[t].set(0,0,0);return this}getAt(t,e){const i=t.x,s=t.y,r=t.z,n=this.coefficients;return e.copy(n[0]).multiplyScalar(.282095),e.addScaledVector(n[1],.488603*s),e.addScaledVector(n[2],.488603*r),e.addScaledVector(n[3],.488603*i),e.addScaledVector(n[4],i*s*1.092548),e.addScaledVector(n[5],s*r*1.092548),e.addScaledVector(n[6],.315392*(3*r*r-1)),e.addScaledVector(n[7],i*r*1.092548),e.addScaledVector(n[8],.546274*(i*i-s*s)),e}getIrradianceAt(t,e){const i=t.x,s=t.y,r=t.z,n=this.coefficients;return e.copy(n[0]).multiplyScalar(.886227),e.addScaledVector(n[1],1.023328*s),e.addScaledVector(n[2],1.023328*r),e.addScaledVector(n[3],1.023328*i),e.addScaledVector(n[4],.858086*i*s),e.addScaledVector(n[5],.858086*s*r),e.addScaledVector(n[6],.743125*r*r-.247708),e.addScaledVector(n[7],.858086*i*r),e.addScaledVector(n[8],.429043*(i*i-s*s)),e}add(t){for(let e=0;e<9;e++)this.coefficients[e].add(t.coefficients[e]);return this}addScaledSH(t,e){for(let i=0;i<9;i++)this.coefficients[i].addScaledVector(t.coefficients[i],e);return this}scale(t){for(let e=0;e<9;e++)this.coefficients[e].multiplyScalar(t);return this}lerp(t,e){for(let i=0;i<9;i++)this.coefficients[i].lerp(t.coefficients[i],e);return this}equals(t){for(let e=0;e<9;e++)if(!this.coefficients[e].equals(t.coefficients[e]))return!1;return!0}copy(t){return this.set(t.coefficients)}clone(){return(new this.constructor).copy(this)}fromArray(t,e=0){const i=this.coefficients;for(let s=0;s<9;s++)i[s].fromArray(t,e+3*s);return this}toArray(t=[],e=0){const i=this.coefficients;for(let s=0;s<9;s++)i[s].toArray(t,e+3*s);return t}static getBasisAt(t,e){const i=t.x,s=t.y,r=t.z;e[0]=.282095,e[1]=.488603*s,e[2]=.488603*r,e[3]=.488603*i,e[4]=1.092548*i*s,e[5]=1.092548*s*r,e[6]=.315392*(3*r*r-1),e[7]=1.092548*i*r,e[8]=.546274*(i*i-s*s)}}class hu extends Fc{constructor(t=new ou,e=1){super(void 0,e),this.isLightProbe=!0,this.sh=t}copy(t){return super.copy(t),this.sh.copy(t.sh),this}toJSON(t){const e=super.toJSON(t);return e.object.sh=this.sh.toArray(),e}}class lu extends zc{constructor(t){super(t),this.textures={}}load(t,e,i,s){const r=this,n=new kc(r.manager);n.setPath(r.path),n.setRequestHeader(r.requestHeader),n.setWithCredentials(r.withCredentials),n.load(t,function(i){try{e(r.parse(JSON.parse(i)))}catch(e){s?s(e):os(e),r.manager.itemError(t)}},i,s)}parse(t){const e=this.textures;function i(t){return void 0===e[t]&&as("MaterialLoader: Undefined texture",t),e[t]}const s=this.createMaterialFromType(t.type);if(void 0!==t.uuid&&(s.uuid=t.uuid),void 0!==t.name&&(s.name=t.name),void 0!==t.color&&void 0!==s.color&&s.color.setHex(t.color),void 0!==t.roughness&&(s.roughness=t.roughness),void 0!==t.metalness&&(s.metalness=t.metalness),void 0!==t.sheen&&(s.sheen=t.sheen),void 0!==t.sheenColor&&(s.sheenColor=(new Or).setHex(t.sheenColor)),void 0!==t.sheenRoughness&&(s.sheenRoughness=t.sheenRoughness),void 0!==t.emissive&&void 0!==s.emissive&&s.emissive.setHex(t.emissive),void 0!==t.specular&&void 0!==s.specular&&s.specular.setHex(t.specular),void 0!==t.specularIntensity&&(s.specularIntensity=t.specularIntensity),void 0!==t.specularColor&&void 0!==s.specularColor&&s.specularColor.setHex(t.specularColor),void 0!==t.shininess&&(s.shininess=t.shininess),void 0!==t.clearcoat&&(s.clearcoat=t.clearcoat),void 0!==t.clearcoatRoughness&&(s.clearcoatRoughness=t.clearcoatRoughness),void 0!==t.dispersion&&(s.dispersion=t.dispersion),void 0!==t.iridescence&&(s.iridescence=t.iridescence),void 0!==t.iridescenceIOR&&(s.iridescenceIOR=t.iridescenceIOR),void 0!==t.iridescenceThicknessRange&&(s.iridescenceThicknessRange=t.iridescenceThicknessRange),void 0!==t.transmission&&(s.transmission=t.transmission),void 0!==t.thickness&&(s.thickness=t.thickness),void 0!==t.attenuationDistance&&(s.attenuationDistance=t.attenuationDistance),void 0!==t.attenuationColor&&void 0!==s.attenuationColor&&s.attenuationColor.setHex(t.attenuationColor),void 0!==t.anisotropy&&(s.anisotropy=t.anisotropy),void 0!==t.anisotropyRotation&&(s.anisotropyRotation=t.anisotropyRotation),void 0!==t.fog&&(s.fog=t.fog),void 0!==t.flatShading&&(s.flatShading=t.flatShading),void 0!==t.blending&&(s.blending=t.blending),void 0!==t.combine&&(s.combine=t.combine),void 0!==t.side&&(s.side=t.side),void 0!==t.shadowSide&&(s.shadowSide=t.shadowSide),void 0!==t.opacity&&(s.opacity=t.opacity),void 0!==t.transparent&&(s.transparent=t.transparent),void 0!==t.alphaTest&&(s.alphaTest=t.alphaTest),void 0!==t.alphaHash&&(s.alphaHash=t.alphaHash),void 0!==t.depthFunc&&(s.depthFunc=t.depthFunc),void 0!==t.depthTest&&(s.depthTest=t.depthTest),void 0!==t.depthWrite&&(s.depthWrite=t.depthWrite),void 0!==t.colorWrite&&(s.colorWrite=t.colorWrite),void 0!==t.blendSrc&&(s.blendSrc=t.blendSrc),void 0!==t.blendDst&&(s.blendDst=t.blendDst),void 0!==t.blendEquation&&(s.blendEquation=t.blendEquation),void 0!==t.blendSrcAlpha&&(s.blendSrcAlpha=t.blendSrcAlpha),void 0!==t.blendDstAlpha&&(s.blendDstAlpha=t.blendDstAlpha),void 0!==t.blendEquationAlpha&&(s.blendEquationAlpha=t.blendEquationAlpha),void 0!==t.blendColor&&void 0!==s.blendColor&&s.blendColor.setHex(t.blendColor),void 0!==t.blendAlpha&&(s.blendAlpha=t.blendAlpha),void 0!==t.stencilWriteMask&&(s.stencilWriteMask=t.stencilWriteMask),void 0!==t.stencilFunc&&(s.stencilFunc=t.stencilFunc),void 0!==t.stencilRef&&(s.stencilRef=t.stencilRef),void 0!==t.stencilFuncMask&&(s.stencilFuncMask=t.stencilFuncMask),void 0!==t.stencilFail&&(s.stencilFail=t.stencilFail),void 0!==t.stencilZFail&&(s.stencilZFail=t.stencilZFail),void 0!==t.stencilZPass&&(s.stencilZPass=t.stencilZPass),void 0!==t.stencilWrite&&(s.stencilWrite=t.stencilWrite),void 0!==t.wireframe&&(s.wireframe=t.wireframe),void 0!==t.wireframeLinewidth&&(s.wireframeLinewidth=t.wireframeLinewidth),void 0!==t.wireframeLinecap&&(s.wireframeLinecap=t.wireframeLinecap),void 0!==t.wireframeLinejoin&&(s.wireframeLinejoin=t.wireframeLinejoin),void 0!==t.rotation&&(s.rotation=t.rotation),void 0!==t.linewidth&&(s.linewidth=t.linewidth),void 0!==t.dashSize&&(s.dashSize=t.dashSize),void 0!==t.gapSize&&(s.gapSize=t.gapSize),void 0!==t.scale&&(s.scale=t.scale),void 0!==t.polygonOffset&&(s.polygonOffset=t.polygonOffset),void 0!==t.polygonOffsetFactor&&(s.polygonOffsetFactor=t.polygonOffsetFactor),void 0!==t.polygonOffsetUnits&&(s.polygonOffsetUnits=t.polygonOffsetUnits),void 0!==t.dithering&&(s.dithering=t.dithering),void 0!==t.alphaToCoverage&&(s.alphaToCoverage=t.alphaToCoverage),void 0!==t.premultipliedAlpha&&(s.premultipliedAlpha=t.premultipliedAlpha),void 0!==t.forceSinglePass&&(s.forceSinglePass=t.forceSinglePass),void 0!==t.allowOverride&&(s.allowOverride=t.allowOverride),void 0!==t.visible&&(s.visible=t.visible),void 0!==t.toneMapped&&(s.toneMapped=t.toneMapped),void 0!==t.userData&&(s.userData=t.userData),void 0!==t.vertexColors&&("number"==typeof t.vertexColors?s.vertexColors=t.vertexColors>0:s.vertexColors=t.vertexColors),void 0!==t.uniforms)for(const e in t.uniforms){const r=t.uniforms[e];switch(s.uniforms[e]={},r.type){case"t":s.uniforms[e].value=i(r.value);break;case"c":s.uniforms[e].value=(new Or).setHex(r.value);break;case"v2":s.uniforms[e].value=(new Ss).fromArray(r.value);break;case"v3":s.uniforms[e].value=(new As).fromArray(r.value);break;case"v4":s.uniforms[e].value=(new Js).fromArray(r.value);break;case"m3":s.uniforms[e].value=(new Cs).fromArray(r.value);break;case"m4":s.uniforms[e].value=(new $s).fromArray(r.value);break;default:s.uniforms[e].value=r.value}}if(void 0!==t.defines&&(s.defines=t.defines),void 0!==t.vertexShader&&(s.vertexShader=t.vertexShader),void 0!==t.fragmentShader&&(s.fragmentShader=t.fragmentShader),void 0!==t.glslVersion&&(s.glslVersion=t.glslVersion),void 0!==t.extensions)for(const e in t.extensions)s.extensions[e]=t.extensions[e];if(void 0!==t.lights&&(s.lights=t.lights),void 0!==t.clipping&&(s.clipping=t.clipping),void 0!==t.size&&(s.size=t.size),void 0!==t.sizeAttenuation&&(s.sizeAttenuation=t.sizeAttenuation),void 0!==t.map&&(s.map=i(t.map)),void 0!==t.matcap&&(s.matcap=i(t.matcap)),void 0!==t.alphaMap&&(s.alphaMap=i(t.alphaMap)),void 0!==t.bumpMap&&(s.bumpMap=i(t.bumpMap)),void 0!==t.bumpScale&&(s.bumpScale=t.bumpScale),void 0!==t.normalMap&&(s.normalMap=i(t.normalMap)),void 0!==t.normalMapType&&(s.normalMapType=t.normalMapType),void 0!==t.normalScale){let e=t.normalScale;!1===Array.isArray(e)&&(e=[e,e]),s.normalScale=(new Ss).fromArray(e)}return void 0!==t.displacementMap&&(s.displacementMap=i(t.displacementMap)),void 0!==t.displacementScale&&(s.displacementScale=t.displacementScale),void 0!==t.displacementBias&&(s.displacementBias=t.displacementBias),void 0!==t.roughnessMap&&(s.roughnessMap=i(t.roughnessMap)),void 0!==t.metalnessMap&&(s.metalnessMap=i(t.metalnessMap)),void 0!==t.emissiveMap&&(s.emissiveMap=i(t.emissiveMap)),void 0!==t.emissiveIntensity&&(s.emissiveIntensity=t.emissiveIntensity),void 0!==t.specularMap&&(s.specularMap=i(t.specularMap)),void 0!==t.specularIntensityMap&&(s.specularIntensityMap=i(t.specularIntensityMap)),void 0!==t.specularColorMap&&(s.specularColorMap=i(t.specularColorMap)),void 0!==t.envMap&&(s.envMap=i(t.envMap)),void 0!==t.envMapRotation&&s.envMapRotation.fromArray(t.envMapRotation),void 0!==t.envMapIntensity&&(s.envMapIntensity=t.envMapIntensity),void 0!==t.reflectivity&&(s.reflectivity=t.reflectivity),void 0!==t.refractionRatio&&(s.refractionRatio=t.refractionRatio),void 0!==t.lightMap&&(s.lightMap=i(t.lightMap)),void 0!==t.lightMapIntensity&&(s.lightMapIntensity=t.lightMapIntensity),void 0!==t.aoMap&&(s.aoMap=i(t.aoMap)),void 0!==t.aoMapIntensity&&(s.aoMapIntensity=t.aoMapIntensity),void 0!==t.gradientMap&&(s.gradientMap=i(t.gradientMap)),void 0!==t.clearcoatMap&&(s.clearcoatMap=i(t.clearcoatMap)),void 0!==t.clearcoatRoughnessMap&&(s.clearcoatRoughnessMap=i(t.clearcoatRoughnessMap)),void 0!==t.clearcoatNormalMap&&(s.clearcoatNormalMap=i(t.clearcoatNormalMap)),void 0!==t.clearcoatNormalScale&&(s.clearcoatNormalScale=(new Ss).fromArray(t.clearcoatNormalScale)),void 0!==t.iridescenceMap&&(s.iridescenceMap=i(t.iridescenceMap)),void 0!==t.iridescenceThicknessMap&&(s.iridescenceThicknessMap=i(t.iridescenceThicknessMap)),void 0!==t.transmissionMap&&(s.transmissionMap=i(t.transmissionMap)),void 0!==t.thicknessMap&&(s.thicknessMap=i(t.thicknessMap)),void 0!==t.anisotropyMap&&(s.anisotropyMap=i(t.anisotropyMap)),void 0!==t.sheenColorMap&&(s.sheenColorMap=i(t.sheenColorMap)),void 0!==t.sheenRoughnessMap&&(s.sheenRoughnessMap=i(t.sheenRoughnessMap)),s}setTextures(t){return this.textures=t,this}createMaterialFromType(t){return lu.createMaterialFromType(t)}static createMaterialFromType(t){return new{ShadowMaterial:Dl,SpriteMaterial:Zn,RawShaderMaterial:Yl,ShaderMaterial:Xl,PointsMaterial:Go,MeshPhysicalMaterial:Zl,MeshStandardMaterial:Hl,MeshPhongMaterial:Gl,MeshToonMaterial:$l,MeshNormalMaterial:Ql,MeshLambertMaterial:Kl,MeshDepthMaterial:tc,MeshDistanceMaterial:ec,MeshBasicMaterial:wa,MeshMatcapMaterial:ic,LineDashedMaterial:sc,LineBasicMaterial:Vo,Material:Hn}[t]}}class cu{static extractUrlBase(t){const e=t.lastIndexOf("/");return-1===e?"./":t.slice(0,e+1)}static resolveURL(t,e){return"string"!=typeof t||""===t?"":(/^https?:\/\//i.test(e)&&/^\//.test(t)&&(e=e.replace(/(^https?:\/\/[^\/]+).*/i,"$1")),/^(https?:)?\/\//i.test(t)||/^data:.*,.*$/i.test(t)||/^blob:.*$/i.test(t)?t:e+t)}}class uu extends Wn{constructor(){super(),this.isInstancedBufferGeometry=!0,this.type="InstancedBufferGeometry",this.instanceCount=1/0}copy(t){return super.copy(t),this.instanceCount=t.instanceCount,this}toJSON(){const t=super.toJSON();return t.instanceCount=this.instanceCount,t.isInstancedBufferGeometry=!0,t}}class du extends zc{constructor(t){super(t)}load(t,e,i,s){const r=this,n=new kc(r.manager);n.setPath(r.path),n.setRequestHeader(r.requestHeader),n.setWithCredentials(r.withCredentials),n.load(t,function(i){try{e(r.parse(JSON.parse(i)))}catch(e){s?s(e):os(e),r.manager.itemError(t)}},i,s)}parse(t){const e={},i={};function s(t,s){if(void 0!==e[s])return e[s];const r=t.interleavedBuffers[s],n=function(t,e){if(void 0!==i[e])return i[e];const s=t.arrayBuffers,r=s[e],n=new Uint32Array(r).buffer;return i[e]=n,n}(t,r.buffer),a=Gi(r.type,n),o=new Un(a,r.stride);return o.uuid=r.uuid,e[s]=o,o}const r=t.isInstancedBufferGeometry?new uu:new Wn,n=t.data.index;if(void 0!==n){const t=Gi(n.type,n.array);r.setIndex(new wn(t,1))}const a=t.data.attributes;for(const e in a){const i=a[e];let n;if(i.isInterleavedBufferAttribute){const e=s(t.data,i.data);n=new qn(e,i.itemSize,i.offset,i.normalized)}else{const t=Gi(i.type,i.array);n=new(i.isInstancedBufferAttribute?Ga:wn)(t,i.itemSize,i.normalized)}void 0!==i.name&&(n.name=i.name),void 0!==i.usage&&n.setUsage(i.usage),r.setAttribute(e,n)}const o=t.data.morphAttributes;if(o)for(const e in o){const i=o[e],n=[];for(let e=0,r=i.length;e<r;e++){const r=i[e];let a;if(r.isInterleavedBufferAttribute){const e=s(t.data,r.data);a=new qn(e,r.itemSize,r.offset,r.normalized)}else{const t=Gi(r.type,r.array);a=new wn(t,r.itemSize,r.normalized)}void 0!==r.name&&(a.name=r.name),n.push(a)}r.morphAttributes[e]=n}t.data.morphTargetsRelative&&(r.morphTargetsRelative=!0);const h=t.data.groups||t.data.drawcalls||t.data.offsets;if(void 0!==h)for(let t=0,e=h.length;t!==e;++t){const e=h[t];r.addGroup(e.start,e.count,e.materialIndex)}const l=t.data.boundingSphere;return void 0!==l&&(r.boundingSphere=(new Rn).fromJSON(l)),t.name&&(r.name=t.name),t.userData&&(r.userData=t.userData),r}}class pu extends zc{constructor(t){super(t)}load(t,e,i,s){const r=this,n=""===this.path?cu.extractUrlBase(t):this.path;this.resourcePath=this.resourcePath||n;const a=new kc(this.manager);a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(this.withCredentials),a.load(t,function(i){let n=null;try{n=JSON.parse(i)}catch(e){return void 0!==s&&s(e),void e("ObjectLoader: Can't parse "+t+".",e.message)}const a=n.metadata;if(void 0===a||void 0===a.type||"geometry"===a.type.toLowerCase())return void 0!==s&&s(new Error("THREE.ObjectLoader: Can't load "+t)),void os("ObjectLoader: Can't load "+t);r.parse(n,e)},i,s)}async loadAsync(t,e){const i=""===this.path?cu.extractUrlBase(t):this.path;this.resourcePath=this.resourcePath||i;const s=new kc(this.manager);s.setPath(this.path),s.setRequestHeader(this.requestHeader),s.setWithCredentials(this.withCredentials);const r=await s.loadAsync(t,e);let n;try{n=JSON.parse(r)}catch(e){throw new Error("ObjectLoader: Can't parse "+t+". "+e.message)}const a=n.metadata;if(void 0===a||void 0===a.type||"geometry"===a.type.toLowerCase())throw new Error("THREE.ObjectLoader: Can't load "+t);return await this.parseAsync(n)}parse(t,e){const i=this.parseAnimations(t.animations),s=this.parseShapes(t.shapes),r=this.parseGeometries(t.geometries,s),n=this.parseImages(t.images,function(){void 0!==e&&e(h)}),a=this.parseTextures(t.textures,n),o=this.parseMaterials(t.materials,a),h=this.parseObject(t.object,r,o,a,i),l=this.parseSkeletons(t.skeletons,h);if(this.bindSkeletons(h,l),this.bindLightTargets(h),void 0!==e){let t=!1;for(const e in n)if(n[e].data instanceof HTMLImageElement){t=!0;break}!1===t&&e(h)}return h}async parseAsync(t){const e=this.parseAnimations(t.animations),i=this.parseShapes(t.shapes),s=this.parseGeometries(t.geometries,i),r=await this.parseImagesAsync(t.images),n=this.parseTextures(t.textures,r),a=this.parseMaterials(t.materials,n),o=this.parseObject(t.object,s,a,n,e),h=this.parseSkeletons(t.skeletons,o);return this.bindSkeletons(o,h),this.bindLightTargets(o),o}parseShapes(t){const e={};if(void 0!==t)for(let i=0,s=t.length;i<s;i++){const s=(new Hh).fromJSON(t[i]);e[s.uuid]=s}return e}parseSkeletons(t,e){const i={},s={};if(e.traverse(function(t){t.isBone&&(s[t.uuid]=t)}),void 0!==t)for(let e=0,r=t.length;e<r;e++){const r=(new Za).fromJSON(t[e],s);i[r.uuid]=r}return i}parseGeometries(t,e){const i={};if(void 0!==t){const s=new du;for(let r=0,n=t.length;r<n;r++){let n;const a=t[r];switch(a.type){case"BufferGeometry":case"InstancedBufferGeometry":n=s.parse(a);break;default:a.type in jl?n=jl[a.type].fromJSON(a,e):as(`ObjectLoader: Unsupported geometry type "${a.type}"`)}n.uuid=a.uuid,void 0!==a.name&&(n.name=a.name),void 0!==a.userData&&(n.userData=a.userData),i[a.uuid]=n}}return i}parseMaterials(t,e){const i={},s={};if(void 0!==t){const r=new lu;r.setTextures(e);for(let e=0,n=t.length;e<n;e++){const n=t[e];void 0===i[n.uuid]&&(i[n.uuid]=r.parse(n)),s[n.uuid]=i[n.uuid]}}return s}parseAnimations(t){const e={};if(void 0!==t)for(let i=0;i<t.length;i++){const s=t[i],r=Mc.parse(s);e[r.uuid]=r}return e}parseImages(t,e){const i=this,s={};let r;function n(t){if("string"==typeof t){const e=t;return function(t){return i.manager.itemStart(t),r.load(t,function(){i.manager.itemEnd(t)},void 0,function(){i.manager.itemError(t),i.manager.itemEnd(t)})}(/^(\/\/)|([a-z]+:(\/\/)?)/i.test(e)?e:i.resourcePath+e)}return t.data?{data:Gi(t.type,t.data),width:t.width,height:t.height}:null}if(void 0!==t&&t.length>0){const i=new Ac(e);r=new Rc(i),r.setCrossOrigin(this.crossOrigin);for(let e=0,i=t.length;e<i;e++){const i=t[e],r=i.url;if(Array.isArray(r)){const t=[];for(let e=0,i=r.length;e<i;e++){const i=n(r[e]);null!==i&&(i instanceof HTMLImageElement?t.push(i):t.push(new Xa(i.data,i.width,i.height)))}s[i.uuid]=new Ls(t)}else{const t=n(i.url);s[i.uuid]=new Ls(t)}}}return s}async parseImagesAsync(t){const e=this,i={};let s;async function r(t){if("string"==typeof t){const i=t,r=/^(\/\/)|([a-z]+:(\/\/)?)/i.test(i)?i:e.resourcePath+i;return await s.loadAsync(r)}return t.data?{data:Gi(t.type,t.data),width:t.width,height:t.height}:null}if(void 0!==t&&t.length>0){s=new Rc(this.manager),s.setCrossOrigin(this.crossOrigin);for(let e=0,s=t.length;e<s;e++){const s=t[e],n=s.url;if(Array.isArray(n)){const t=[];for(let e=0,i=n.length;e<i;e++){const i=n[e],s=await r(i);null!==s&&(s instanceof HTMLImageElement?t.push(s):t.push(new Xa(s.data,s.width,s.height)))}i[s.uuid]=new Ls(t)}else{const t=await r(s.url);i[s.uuid]=new Ls(t)}}}return i}parseTextures(t,e){function i(t,e){return"number"==typeof t?t:(as("ObjectLoader.parseTexture: Constant should be in numeric form.",t),e[t])}const s={};if(void 0!==t)for(let r=0,n=t.length;r<n;r++){const n=t[r];void 0===n.image&&as('ObjectLoader: No "image" specified for',n.uuid),void 0===e[n.image]&&as("ObjectLoader: Undefined image",n.image);const a=e[n.image],o=a.data;let h;Array.isArray(o)?(h=new lh,6===o.length&&(h.needsUpdate=!0)):(h=o&&o.data?new Xa:new Us,o&&(h.needsUpdate=!0)),h.source=a,h.uuid=n.uuid,void 0!==n.name&&(h.name=n.name),void 0!==n.mapping&&(h.mapping=i(n.mapping,mu)),void 0!==n.channel&&(h.channel=n.channel),void 0!==n.offset&&h.offset.fromArray(n.offset),void 0!==n.repeat&&h.repeat.fromArray(n.repeat),void 0!==n.center&&h.center.fromArray(n.center),void 0!==n.rotation&&(h.rotation=n.rotation),void 0!==n.wrap&&(h.wrapS=i(n.wrap[0],yu),h.wrapT=i(n.wrap[1],yu)),void 0!==n.format&&(h.format=n.format),void 0!==n.internalFormat&&(h.internalFormat=n.internalFormat),void 0!==n.type&&(h.type=n.type),void 0!==n.colorSpace&&(h.colorSpace=n.colorSpace),void 0!==n.minFilter&&(h.minFilter=i(n.minFilter,gu)),void 0!==n.magFilter&&(h.magFilter=i(n.magFilter,gu)),void 0!==n.anisotropy&&(h.anisotropy=n.anisotropy),void 0!==n.flipY&&(h.flipY=n.flipY),void 0!==n.generateMipmaps&&(h.generateMipmaps=n.generateMipmaps),void 0!==n.premultiplyAlpha&&(h.premultiplyAlpha=n.premultiplyAlpha),void 0!==n.unpackAlignment&&(h.unpackAlignment=n.unpackAlignment),void 0!==n.compareFunction&&(h.compareFunction=n.compareFunction),void 0!==n.userData&&(h.userData=n.userData),s[n.uuid]=h}return s}parseObject(t,e,i,s,r){let n,a,o;function h(t){return void 0===e[t]&&as("ObjectLoader: Undefined geometry",t),e[t]}function l(t){if(void 0!==t){if(Array.isArray(t)){const e=[];for(let s=0,r=t.length;s<r;s++){const r=t[s];void 0===i[r]&&as("ObjectLoader: Undefined material",r),e.push(i[r])}return e}return void 0===i[t]&&as("ObjectLoader: Undefined material",t),i[t]}}function c(t){return void 0===s[t]&&as("ObjectLoader: Undefined texture",t),s[t]}switch(t.type){case"Scene":n=new Vr,void 0!==t.background&&(Number.isInteger(t.background)?n.background=new Or(t.background):n.background=c(t.background)),void 0!==t.environment&&(n.environment=c(t.environment)),void 0!==t.fog&&("Fog"===t.fog.type?n.fog=new Nr(t.fog.color,t.fog.near,t.fog.far):"FogExp2"===t.fog.type&&(n.fog=new Rr(t.fog.color,t.fog.density)),""!==t.fog.name&&(n.fog.name=t.fog.name)),void 0!==t.backgroundBlurriness&&(n.backgroundBlurriness=t.backgroundBlurriness),void 0!==t.backgroundIntensity&&(n.backgroundIntensity=t.backgroundIntensity),void 0!==t.backgroundRotation&&n.backgroundRotation.fromArray(t.backgroundRotation),void 0!==t.environmentIntensity&&(n.environmentIntensity=t.environmentIntensity),void 0!==t.environmentRotation&&n.environmentRotation.fromArray(t.environmentRotation);break;case"PerspectiveCamera":n=new $c(t.fov,t.aspect,t.near,t.far),void 0!==t.focus&&(n.focus=t.focus),void 0!==t.zoom&&(n.zoom=t.zoom),void 0!==t.filmGauge&&(n.filmGauge=t.filmGauge),void 0!==t.filmOffset&&(n.filmOffset=t.filmOffset),void 0!==t.view&&(n.view=Object.assign({},t.view));break;case"OrthographicCamera":n=new iu(t.left,t.right,t.top,t.bottom,t.near,t.far),void 0!==t.zoom&&(n.zoom=t.zoom),void 0!==t.view&&(n.view=Object.assign({},t.view));break;case"AmbientLight":n=new nu(t.color,t.intensity);break;case"DirectionalLight":n=new ru(t.color,t.intensity),n.target=t.target||"";break;case"PointLight":n=new eu(t.color,t.intensity,t.distance,t.decay);break;case"RectAreaLight":n=new au(t.color,t.intensity,t.width,t.height);break;case"SpotLight":n=new Kc(t.color,t.intensity,t.distance,t.angle,t.penumbra,t.decay),n.target=t.target||"";break;case"HemisphereLight":n=new Lc(t.color,t.groundColor,t.intensity);break;case"LightProbe":const e=(new ou).fromArray(t.sh);n=new hu(e,t.intensity);break;case"SkinnedMesh":a=h(t.geometry),o=l(t.material),n=new Ja(a,o),void 0!==t.bindMode&&(n.bindMode=t.bindMode),void 0!==t.bindMatrix&&n.bindMatrix.fromArray(t.bindMatrix),void 0!==t.skeleton&&(n.skeleton=t.skeleton);break;case"Mesh":a=h(t.geometry),o=l(t.material),n=new Pa(a,o);break;case"InstancedMesh":a=h(t.geometry),o=l(t.material);const i=t.count,s=t.instanceMatrix,r=t.instanceColor;n=new ro(a,o,i),n.instanceMatrix=new Ga(new Float32Array(s.array),16),void 0!==r&&(n.instanceColor=new Ga(new Float32Array(r.array),r.itemSize));break;case"BatchedMesh":a=h(t.geometry),o=l(t.material),n=new No(t.maxInstanceCount,t.maxVertexCount,t.maxIndexCount,o),n.geometry=a,n.perObjectFrustumCulled=t.perObjectFrustumCulled,n.sortObjects=t.sortObjects,n._drawRanges=t.drawRanges,n._reservedRanges=t.reservedRanges,n._geometryInfo=t.geometryInfo.map(t=>{let e=null,i=null;return void 0!==t.boundingBox&&(e=(new $r).fromJSON(t.boundingBox)),void 0!==t.boundingSphere&&(i=(new Rn).fromJSON(t.boundingSphere)),{...t,boundingBox:e,boundingSphere:i}}),n._instanceInfo=t.instanceInfo,n._availableInstanceIds=t._availableInstanceIds,n._availableGeometryIds=t._availableGeometryIds,n._nextIndexStart=t.nextIndexStart,n._nextVertexStart=t.nextVertexStart,n._geometryCount=t.geometryCount,n._maxInstanceCount=t.maxInstanceCount,n._maxVertexCount=t.maxVertexCount,n._maxIndexCount=t.maxIndexCount,n._geometryInitialized=t.geometryInitialized,n._matricesTexture=c(t.matricesTexture.uuid),n._indirectTexture=c(t.indirectTexture.uuid),void 0!==t.colorsTexture&&(n._colorsTexture=c(t.colorsTexture.uuid)),void 0!==t.boundingSphere&&(n.boundingSphere=(new Rn).fromJSON(t.boundingSphere)),void 0!==t.boundingBox&&(n.boundingBox=(new $r).fromJSON(t.boundingBox));break;case"LOD":n=new da;break;case"Line":n=new Jo(h(t.geometry),l(t.material));break;case"LineLoop":n=new Zo(h(t.geometry),l(t.material));break;case"LineSegments":n=new Ho(h(t.geometry),l(t.material));break;case"PointCloud":case"Points":n=new eh(h(t.geometry),l(t.material));break;case"Sprite":n=new ha(l(t.material));break;case"Group":n=new Ar;break;case"Bone":n=new qa;break;default:n=new _r}if(n.uuid=t.uuid,void 0!==t.name&&(n.name=t.name),void 0!==t.matrix?(n.matrix.fromArray(t.matrix),void 0!==t.matrixAutoUpdate&&(n.matrixAutoUpdate=t.matrixAutoUpdate),n.matrixAutoUpdate&&n.matrix.decompose(n.position,n.quaternion,n.scale)):(void 0!==t.position&&n.position.fromArray(t.position),void 0!==t.rotation&&n.rotation.fromArray(t.rotation),void 0!==t.quaternion&&n.quaternion.fromArray(t.quaternion),void 0!==t.scale&&n.scale.fromArray(t.scale)),void 0!==t.up&&n.up.fromArray(t.up),void 0!==t.pivot&&(n.pivot=(new As).fromArray(t.pivot)),void 0!==t.morphTargetDictionary&&(n.morphTargetDictionary=Object.assign({},t.morphTargetDictionary)),void 0!==t.morphTargetInfluences&&(n.morphTargetInfluences=t.morphTargetInfluences.slice()),void 0!==t.castShadow&&(n.castShadow=t.castShadow),void 0!==t.receiveShadow&&(n.receiveShadow=t.receiveShadow),t.shadow&&(void 0!==t.shadow.intensity&&(n.shadow.intensity=t.shadow.intensity),void 0!==t.shadow.bias&&(n.shadow.bias=t.shadow.bias),void 0!==t.shadow.normalBias&&(n.shadow.normalBias=t.shadow.normalBias),void 0!==t.shadow.radius&&(n.shadow.radius=t.shadow.radius),void 0!==t.shadow.mapSize&&n.shadow.mapSize.fromArray(t.shadow.mapSize),void 0!==t.shadow.camera&&(n.shadow.camera=this.parseObject(t.shadow.camera))),void 0!==t.visible&&(n.visible=t.visible),void 0!==t.frustumCulled&&(n.frustumCulled=t.frustumCulled),void 0!==t.renderOrder&&(n.renderOrder=t.renderOrder),void 0!==t.static&&(n.static=t.static),void 0!==t.userData&&(n.userData=t.userData),void 0!==t.layers&&(n.layers.mask=t.layers),void 0!==t.children){const a=t.children;for(let t=0;t<a.length;t++)n.add(this.parseObject(a[t],e,i,s,r))}if(void 0!==t.animations){const e=t.animations;for(let t=0;t<e.length;t++){const i=e[t];n.animations.push(r[i])}}if("LOD"===t.type){void 0!==t.autoUpdate&&(n.autoUpdate=t.autoUpdate);const e=t.levels;for(let t=0;t<e.length;t++){const i=e[t],s=n.getObjectByProperty("uuid",i.object);void 0!==s&&n.addLevel(s,i.distance,i.hysteresis)}}return n}bindSkeletons(t,e){0!==Object.keys(e).length&&t.traverse(function(t){if(!0===t.isSkinnedMesh&&void 0!==t.skeleton){const i=e[t.skeleton];void 0===i?as("ObjectLoader: No skeleton found with UUID:",t.skeleton):t.bind(i,t.bindMatrix)}})}bindLightTargets(t){t.traverse(function(e){if(e.isDirectionalLight||e.isSpotLight){const i=e.target,s=t.getObjectByProperty("uuid",i);e.target=void 0!==s?s:new _r}})}}const mu={UVMapping:ht,CubeReflectionMapping:lt,CubeRefractionMapping:302,EquirectangularReflectionMapping:303,EquirectangularRefractionMapping:304,CubeUVReflectionMapping:306},yu={RepeatWrapping:mt,ClampToEdgeWrapping:yt,MirroredRepeatWrapping:gt},gu={NearestFilter:ft,NearestMipmapNearestFilter:1004,NearestMipmapLinearFilter:1005,LinearFilter:Mt,LinearMipmapNearestFilter:1007,LinearMipmapLinearFilter:At},fu=new WeakMap;class xu extends zc{constructor(t){super(t),this.isImageBitmapLoader=!0,"undefined"==typeof createImageBitmap&&as("ImageBitmapLoader: createImageBitmap() not supported."),"undefined"==typeof fetch&&as("ImageBitmapLoader: fetch() not supported."),this.options={premultiplyAlpha:"none"},this._abortController=new AbortController}setOptions(t){return this.options=t,this}load(t,e,i,s){void 0===t&&(t=""),void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=this,n=_c.get(`image-bitmap:${t}`);if(void 0!==n)return r.manager.itemStart(t),n.then?void n.then(i=>{if(!0!==fu.has(n))return e&&e(i),r.manager.itemEnd(t),i;s&&s(fu.get(n)),r.manager.itemError(t),r.manager.itemEnd(t)}):(setTimeout(function(){e&&e(n),r.manager.itemEnd(t)},0),n);const a={};a.credentials="anonymous"===this.crossOrigin?"same-origin":"include",a.headers=this.requestHeader,a.signal="function"==typeof AbortSignal.any?AbortSignal.any([this._abortController.signal,this.manager.abortController.signal]):this._abortController.signal;const o=fetch(t,a).then(function(t){return t.blob()}).then(function(t){return createImageBitmap(t,Object.assign(r.options,{colorSpaceConversion:"none"}))}).then(function(i){return _c.add(`image-bitmap:${t}`,i),e&&e(i),r.manager.itemEnd(t),i}).catch(function(e){s&&s(e),fu.set(o,e),_c.remove(`image-bitmap:${t}`),r.manager.itemError(t),r.manager.itemEnd(t)});_c.add(`image-bitmap:${t}`,o),r.manager.itemStart(t)}abort(){return this._abortController.abort(),this._abortController=new AbortController,this}}let bu;class vu{static getContext(){return void 0===bu&&(bu=new(window.AudioContext||window.webkitAudioContext)),bu}static setContext(t){bu=t}}class wu extends zc{constructor(t){super(t)}load(t,e,i,s){const r=this,n=new kc(this.manager);function a(e){s?s(e):os(e),r.manager.itemError(t)}n.setResponseType("arraybuffer"),n.setPath(this.path),n.setRequestHeader(this.requestHeader),n.setWithCredentials(this.withCredentials),n.load(t,function(t){try{const i=t.slice(0);vu.getContext().decodeAudioData(i,function(t){e(t)}).catch(a)}catch(t){a(t)}},i,s)}}const Mu=new $s,Su=new $s,_u=new $s;class Au{constructor(){this.type="StereoCamera",this.aspect=1,this.eyeSep=.064,this.cameraL=new $c,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new $c,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(t){const e=this._cache;if(e.focus!==t.focus||e.fov!==t.fov||e.aspect!==t.aspect*this.aspect||e.near!==t.near||e.far!==t.far||e.zoom!==t.zoom||e.eyeSep!==this.eyeSep){e.focus=t.focus,e.fov=t.fov,e.aspect=t.aspect*this.aspect,e.near=t.near,e.far=t.far,e.zoom=t.zoom,e.eyeSep=this.eyeSep,_u.copy(t.projectionMatrix);const i=e.eyeSep/2,s=i*e.near/e.focus,r=e.near*Math.tan(ms*e.fov*.5)/e.zoom;let n,a;Su.elements[12]=-i,Mu.elements[12]=i,n=-r*e.aspect+s,a=r*e.aspect+s,_u.elements[0]=2*e.near/(a-n),_u.elements[8]=(a+n)/(a-n),this.cameraL.projectionMatrix.copy(_u),n=-r*e.aspect-s,a=r*e.aspect-s,_u.elements[0]=2*e.near/(a-n),_u.elements[8]=(a+n)/(a-n),this.cameraR.projectionMatrix.copy(_u)}this.cameraL.matrixWorld.copy(t.matrixWorld).multiply(Su),this.cameraR.matrixWorld.copy(t.matrixWorld).multiply(Mu)}}const Tu=-90;class zu extends _r{constructor(t,e,i){super(),this.type="CubeCamera",this.renderTarget=i,this.coordinateSystem=null,this.activeMipmapLevel=0;const s=new $c(Tu,1,t,e);s.layers=this.layers,this.add(s);const r=new $c(Tu,1,t,e);r.layers=this.layers,this.add(r);const n=new $c(Tu,1,t,e);n.layers=this.layers,this.add(n);const a=new $c(Tu,1,t,e);a.layers=this.layers,this.add(a);const o=new $c(Tu,1,t,e);o.layers=this.layers,this.add(o);const h=new $c(Tu,1,t,e);h.layers=this.layers,this.add(h)}updateCoordinateSystem(){const t=this.coordinateSystem,e=this.children.concat(),[i,s,r,n,a,o]=e;for(const t of e)this.remove(t);if(t===Ui)i.up.set(0,1,0),i.lookAt(1,0,0),s.up.set(0,1,0),s.lookAt(-1,0,0),r.up.set(0,0,-1),r.lookAt(0,1,0),n.up.set(0,0,1),n.lookAt(0,-1,0),a.up.set(0,1,0),a.lookAt(0,0,1),o.up.set(0,1,0),o.lookAt(0,0,-1);else{if(t!==Ji)throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+t);i.up.set(0,-1,0),i.lookAt(-1,0,0),s.up.set(0,-1,0),s.lookAt(1,0,0),r.up.set(0,0,1),r.lookAt(0,1,0),n.up.set(0,0,-1),n.lookAt(0,-1,0),a.up.set(0,-1,0),a.lookAt(0,0,1),o.up.set(0,-1,0),o.lookAt(0,0,-1)}for(const t of e)this.add(t),t.updateMatrixWorld()}update(t,e){null===this.parent&&this.updateMatrixWorld();const{renderTarget:i,activeMipmapLevel:s}=this;this.coordinateSystem!==t.coordinateSystem&&(this.coordinateSystem=t.coordinateSystem,this.updateCoordinateSystem());const[r,n,a,o,h,l]=this.children,c=t.getRenderTarget(),u=t.getActiveCubeFace(),d=t.getActiveMipmapLevel(),p=t.xr.enabled;t.xr.enabled=!1;const m=i.texture.generateMipmaps;i.texture.generateMipmaps=!1;const y=!(!t.isWebGLRenderer||!t.state.buffers.depth.getReversed());t.setRenderTarget(i,0,s),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,r),t.setRenderTarget(i,1,s),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,n),t.setRenderTarget(i,2,s),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,a),t.setRenderTarget(i,3,s),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,o),t.setRenderTarget(i,4,s),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,h),i.texture.generateMipmaps=m,t.setRenderTarget(i,5,s),y&&!1===t.autoClear&&t.clearDepth(),t.render(e,l),t.setRenderTarget(c,u,d),t.xr.enabled=p,i.texture.needsPMREMUpdate=!0}}class Cu extends $c{constructor(t=[]){super(),this.isArrayCamera=!0,this.isMultiViewCamera=!1,this.cameras=t}}class Iu{constructor(t=!0){this.autoStart=t,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1,as("THREE.Clock: This module has been deprecated. Please use THREE.Timer instead.")}start(){this.startTime=performance.now(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0}stop(){this.getElapsedTime(),this.running=!1,this.autoStart=!1}getElapsedTime(){return this.getDelta(),this.elapsedTime}getDelta(){let t=0;if(this.autoStart&&!this.running)return this.start(),0;if(this.running){const e=performance.now();t=(e-this.oldTime)/1e3,this.oldTime=e,this.elapsedTime+=t}return t}}const ku=new As,Bu=new _s,Ou=new As,Pu=new As,Ru=new As;class Nu extends _r{constructor(){super(),this.type="AudioListener",this.context=vu.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._clock=new Iu}getInput(){return this.gain}removeFilter(){return null!==this.filter&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(t){return null!==this.filter?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=t,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this}updateMatrixWorld(t){super.updateMatrixWorld(t);const e=this.context.listener;if(this.timeDelta=this._clock.getDelta(),this.matrixWorld.decompose(ku,Bu,Ou),Pu.set(0,0,-1).applyQuaternion(Bu),Ru.set(0,1,0).applyQuaternion(Bu),e.positionX){const t=this.context.currentTime+this.timeDelta;e.positionX.linearRampToValueAtTime(ku.x,t),e.positionY.linearRampToValueAtTime(ku.y,t),e.positionZ.linearRampToValueAtTime(ku.z,t),e.forwardX.linearRampToValueAtTime(Pu.x,t),e.forwardY.linearRampToValueAtTime(Pu.y,t),e.forwardZ.linearRampToValueAtTime(Pu.z,t),e.upX.linearRampToValueAtTime(Ru.x,t),e.upY.linearRampToValueAtTime(Ru.y,t),e.upZ.linearRampToValueAtTime(Ru.z,t)}else e.setPosition(ku.x,ku.y,ku.z),e.setOrientation(Pu.x,Pu.y,Pu.z,Ru.x,Ru.y,Ru.z)}}class Vu extends _r{constructor(t){super(),this.type="Audio",this.listener=t,this.context=t.context,this.gain=this.context.createGain(),this.gain.connect(t.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(t){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=t,this.connect(),this}setMediaElementSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(t),this.connect(),this}setMediaStreamSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(t),this.connect(),this}setBuffer(t){return this.buffer=t,this.sourceType="buffer",this.autoplay&&this.play(),this}play(t=0){if(!0===this.isPlaying)return void as("Audio: Audio is already playing.");if(!1===this.hasPlaybackControl)return void as("Audio: this Audio has no playback control.");this._startedAt=this.context.currentTime+t;const e=this.context.createBufferSource();return e.buffer=this.buffer,e.loop=this.loop,e.loopStart=this.loopStart,e.loopEnd=this.loopEnd,e.onended=this.onEnded.bind(this),e.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=e,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(!1!==this.hasPlaybackControl)return!0===this.isPlaying&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,!0===this.loop&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this;as("Audio: this Audio has no playback control.")}stop(t=0){if(!1!==this.hasPlaybackControl)return this._progress=0,null!==this.source&&(this.source.stop(this.context.currentTime+t),this.source.onended=null),this.isPlaying=!1,this;as("Audio: this Audio has no playback control.")}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let t=1,e=this.filters.length;t<e;t++)this.filters[t-1].connect(this.filters[t]);this.filters[this.filters.length-1].connect(this.getOutput())}else this.source.connect(this.getOutput());return this._connected=!0,this}disconnect(){if(!1!==this._connected){if(this.filters.length>0){this.source.disconnect(this.filters[0]);for(let t=1,e=this.filters.length;t<e;t++)this.filters[t-1].disconnect(this.filters[t]);this.filters[this.filters.length-1].disconnect(this.getOutput())}else this.source.disconnect(this.getOutput());return this._connected=!1,this}}getFilters(){return this.filters}setFilters(t){return t||(t=[]),!0===this._connected?(this.disconnect(),this.filters=t.slice(),this.connect()):this.filters=t.slice(),this}setDetune(t){return this.detune=t,!0===this.isPlaying&&void 0!==this.source.detune&&this.source.detune.setTargetAtTime(this.detune,this.context.currentTime,.01),this}getDetune(){return this.detune}getFilter(){return this.getFilters()[0]}setFilter(t){return this.setFilters(t?[t]:[])}setPlaybackRate(t){if(!1!==this.hasPlaybackControl)return this.playbackRate=t,!0===this.isPlaying&&this.source.playbackRate.setTargetAtTime(this.playbackRate,this.context.currentTime,.01),this;as("Audio: this Audio has no playback control.")}getPlaybackRate(){return this.playbackRate}onEnded(){this.isPlaying=!1,this._progress=0}getLoop(){return!1===this.hasPlaybackControl?(as("Audio: this Audio has no playback control."),!1):this.loop}setLoop(t){if(!1!==this.hasPlaybackControl)return this.loop=t,!0===this.isPlaying&&(this.source.loop=this.loop),this;as("Audio: this Audio has no playback control.")}setLoopStart(t){return this.loopStart=t,this}setLoopEnd(t){return this.loopEnd=t,this}getVolume(){return this.gain.gain.value}setVolume(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this}copy(t,e){return super.copy(t,e),"buffer"!==t.sourceType?(as("Audio: Audio source type cannot be copied."),this):(this.autoplay=t.autoplay,this.buffer=t.buffer,this.detune=t.detune,this.loop=t.loop,this.loopStart=t.loopStart,this.loopEnd=t.loopEnd,this.offset=t.offset,this.duration=t.duration,this.playbackRate=t.playbackRate,this.hasPlaybackControl=t.hasPlaybackControl,this.sourceType=t.sourceType,this.filters=t.filters.slice(),this)}clone(t){return new this.constructor(this.listener).copy(this,t)}}const Eu=new As,Fu=new _s,Lu=new As,ju=new As;class Du extends Vu{constructor(t){super(t),this.panner=this.context.createPanner(),this.panner.panningModel="HRTF",this.panner.connect(this.gain)}connect(){return super.connect(),this.panner.connect(this.gain),this}disconnect(){return super.disconnect(),this.panner.disconnect(this.gain),this}getOutput(){return this.panner}getRefDistance(){return this.panner.refDistance}setRefDistance(t){return this.panner.refDistance=t,this}getRolloffFactor(){return this.panner.rolloffFactor}setRolloffFactor(t){return this.panner.rolloffFactor=t,this}getDistanceModel(){return this.panner.distanceModel}setDistanceModel(t){return this.panner.distanceModel=t,this}getMaxDistance(){return this.panner.maxDistance}setMaxDistance(t){return this.panner.maxDistance=t,this}setDirectionalCone(t,e,i){return this.panner.coneInnerAngle=t,this.panner.coneOuterAngle=e,this.panner.coneOuterGain=i,this}updateMatrixWorld(t){if(super.updateMatrixWorld(t),!0===this.hasPlaybackControl&&!1===this.isPlaying)return;this.matrixWorld.decompose(Eu,Fu,Lu),ju.set(0,0,1).applyQuaternion(Fu);const e=this.panner;if(e.positionX){const t=this.context.currentTime+this.listener.timeDelta;e.positionX.linearRampToValueAtTime(Eu.x,t),e.positionY.linearRampToValueAtTime(Eu.y,t),e.positionZ.linearRampToValueAtTime(Eu.z,t),e.orientationX.linearRampToValueAtTime(ju.x,t),e.orientationY.linearRampToValueAtTime(ju.y,t),e.orientationZ.linearRampToValueAtTime(ju.z,t)}else e.setPosition(Eu.x,Eu.y,Eu.z),e.setOrientation(ju.x,ju.y,ju.z)}}class Wu{constructor(t,e=2048){this.analyser=t.context.createAnalyser(),this.analyser.fftSize=e,this.data=new Uint8Array(this.analyser.frequencyBinCount),t.getOutput().connect(this.analyser)}getFrequencyData(){return this.analyser.getByteFrequencyData(this.data),this.data}getAverageFrequency(){let t=0;const e=this.getFrequencyData();for(let i=0;i<e.length;i++)t+=e[i];return t/e.length}}class Uu{constructor(t,e,i){let s,r,n;switch(this.binding=t,this.valueSize=i,e){case"quaternion":s=this._slerp,r=this._slerpAdditive,n=this._setAdditiveIdentityQuaternion,this.buffer=new Float64Array(6*i),this._workIndex=5;break;case"string":case"bool":s=this._select,r=this._select,n=this._setAdditiveIdentityOther,this.buffer=new Array(5*i);break;default:s=this._lerp,r=this._lerpAdditive,n=this._setAdditiveIdentityNumeric,this.buffer=new Float64Array(5*i)}this._mixBufferRegion=s,this._mixBufferRegionAdditive=r,this._setIdentity=n,this._origIndex=3,this._addIndex=4,this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,this.useCount=0,this.referenceCount=0}accumulate(t,e){const i=this.buffer,s=this.valueSize,r=t*s+s;let n=this.cumulativeWeight;if(0===n){for(let t=0;t!==s;++t)i[r+t]=i[t];n=e}else{n+=e;const t=e/n;this._mixBufferRegion(i,r,0,t,s)}this.cumulativeWeight=n}accumulateAdditive(t){const e=this.buffer,i=this.valueSize,s=i*this._addIndex;0===this.cumulativeWeightAdditive&&this._setIdentity(),this._mixBufferRegionAdditive(e,s,0,t,i),this.cumulativeWeightAdditive+=t}apply(t){const e=this.valueSize,i=this.buffer,s=t*e+e,r=this.cumulativeWeight,n=this.cumulativeWeightAdditive,a=this.binding;if(this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,r<1){const t=e*this._origIndex;this._mixBufferRegion(i,s,t,1-r,e)}n>0&&this._mixBufferRegionAdditive(i,s,this._addIndex*e,1,e);for(let t=e,r=e+e;t!==r;++t)if(i[t]!==i[t+e]){a.setValue(i,s);break}}saveOriginalState(){const t=this.binding,e=this.buffer,i=this.valueSize,s=i*this._origIndex;t.getValue(e,s);for(let t=i,r=s;t!==r;++t)e[t]=e[s+t%i];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){const t=3*this.valueSize;this.binding.setValue(this.buffer,t)}_setAdditiveIdentityNumeric(){const t=this._addIndex*this.valueSize,e=t+this.valueSize;for(let i=t;i<e;i++)this.buffer[i]=0}_setAdditiveIdentityQuaternion(){this._setAdditiveIdentityNumeric(),this.buffer[this._addIndex*this.valueSize+3]=1}_setAdditiveIdentityOther(){const t=this._origIndex*this.valueSize,e=this._addIndex*this.valueSize;for(let i=0;i<this.valueSize;i++)this.buffer[e+i]=this.buffer[t+i]}_select(t,e,i,s,r){if(s>=.5)for(let s=0;s!==r;++s)t[e+s]=t[i+s]}_slerp(t,e,i,s){_s.slerpFlat(t,e,t,e,t,i,s)}_slerpAdditive(t,e,i,s,r){const n=this._workIndex*r;_s.multiplyQuaternionsFlat(t,n,t,e,t,i),_s.slerpFlat(t,e,t,e,t,n,s)}_lerp(t,e,i,s,r){const n=1-s;for(let a=0;a!==r;++a){const r=e+a;t[r]=t[r]*n+t[i+a]*s}}_lerpAdditive(t,e,i,s,r){for(let n=0;n!==r;++n){const r=e+n;t[r]=t[r]+t[i+n]*s}}}const Ju="\\[\\]\\.:\\/",qu=new RegExp("["+Ju+"]","g"),Xu="[^"+Ju+"]",Yu="[^"+Ju.replace("\\.","")+"]",Hu=new RegExp("^"+/((?:WC+[\/:])*)/.source.replace("WC",Xu)+/(WCOD+)?/.source.replace("WCOD",Yu)+/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",Xu)+/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",Xu)+"$"),Zu=["material","materials","bones","map"];class Gu{constructor(t,e,i){this.path=e,this.parsedPath=i||Gu.parseTrackName(e),this.node=Gu.findNode(t,this.parsedPath.nodeName),this.rootNode=t,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(t,e,i){return t&&t.isAnimationObjectGroup?new Gu.Composite(t,e,i):new Gu(t,e,i)}static sanitizeNodeName(t){return t.replace(/\s/g,"_").replace(qu,"")}static parseTrackName(t){const e=Hu.exec(t);if(null===e)throw new Error("PropertyBinding: Cannot parse trackName: "+t);const i={nodeName:e[2],objectName:e[3],objectIndex:e[4],propertyName:e[5],propertyIndex:e[6]},s=i.nodeName&&i.nodeName.lastIndexOf(".");if(void 0!==s&&-1!==s){const t=i.nodeName.substring(s+1);-1!==Zu.indexOf(t)&&(i.nodeName=i.nodeName.substring(0,s),i.objectName=t)}if(null===i.propertyName||0===i.propertyName.length)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+t);return i}static findNode(t,e){if(void 0===e||""===e||"."===e||-1===e||e===t.name||e===t.uuid)return t;if(t.skeleton){const i=t.skeleton.getBoneByName(e);if(void 0!==i)return i}if(t.children){const i=function(t){for(let s=0;s<t.length;s++){const r=t[s];if(r.name===e||r.uuid===e)return r;const n=i(r.children);if(n)return n}return null},s=i(t.children);if(s)return s}return null}_getValue_unavailable(){}_setValue_unavailable(){}_getValue_direct(t,e){t[e]=this.targetObject[this.propertyName]}_getValue_array(t,e){const i=this.resolvedProperty;for(let s=0,r=i.length;s!==r;++s)t[e++]=i[s]}_getValue_arrayElement(t,e){t[e]=this.resolvedProperty[this.propertyIndex]}_getValue_toArray(t,e){this.resolvedProperty.toArray(t,e)}_setValue_direct(t,e){this.targetObject[this.propertyName]=t[e]}_setValue_direct_setNeedsUpdate(t,e){this.targetObject[this.propertyName]=t[e],this.targetObject.needsUpdate=!0}_setValue_direct_setMatrixWorldNeedsUpdate(t,e){this.targetObject[this.propertyName]=t[e],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_array(t,e){const i=this.resolvedProperty;for(let s=0,r=i.length;s!==r;++s)i[s]=t[e++]}_setValue_array_setNeedsUpdate(t,e){const i=this.resolvedProperty;for(let s=0,r=i.length;s!==r;++s)i[s]=t[e++];this.targetObject.needsUpdate=!0}_setValue_array_setMatrixWorldNeedsUpdate(t,e){const i=this.resolvedProperty;for(let s=0,r=i.length;s!==r;++s)i[s]=t[e++];this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_arrayElement(t,e){this.resolvedProperty[this.propertyIndex]=t[e]}_setValue_arrayElement_setNeedsUpdate(t,e){this.resolvedProperty[this.propertyIndex]=t[e],this.targetObject.needsUpdate=!0}_setValue_arrayElement_setMatrixWorldNeedsUpdate(t,e){this.resolvedProperty[this.propertyIndex]=t[e],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_fromArray(t,e){this.resolvedProperty.fromArray(t,e)}_setValue_fromArray_setNeedsUpdate(t,e){this.resolvedProperty.fromArray(t,e),this.targetObject.needsUpdate=!0}_setValue_fromArray_setMatrixWorldNeedsUpdate(t,e){this.resolvedProperty.fromArray(t,e),this.targetObject.matrixWorldNeedsUpdate=!0}_getValue_unbound(t,e){this.bind(),this.getValue(t,e)}_setValue_unbound(t,e){this.bind(),this.setValue(t,e)}bind(){let t=this.node;const e=this.parsedPath,i=e.objectName,s=e.propertyName;let r=e.propertyIndex;if(t||(t=Gu.findNode(this.rootNode,e.nodeName),this.node=t),this.getValue=this._getValue_unavailable,this.setValue=this._setValue_unavailable,!t)return void as("PropertyBinding: No target node found for track: "+this.path+".");if(i){let s=e.objectIndex;switch(i){case"materials":if(!t.material)return void os("PropertyBinding: Can not bind to material as node does not have a material.",this);if(!t.material.materials)return void os("PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.",this);t=t.material.materials;break;case"bones":if(!t.skeleton)return void os("PropertyBinding: Can not bind to bones as node does not have a skeleton.",this);t=t.skeleton.bones;for(let e=0;e<t.length;e++)if(t[e].name===s){s=e;break}break;case"map":if("map"in t){t=t.map;break}if(!t.material)return void os("PropertyBinding: Can not bind to material as node does not have a material.",this);if(!t.material.map)return void os("PropertyBinding: Can not bind to material.map as node.material does not have a map.",this);t=t.material.map;break;default:if(void 0===t[i])return void os("PropertyBinding: Can not bind to objectName of node undefined.",this);t=t[i]}if(void 0!==s){if(void 0===t[s])return void os("PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.",this,t);t=t[s]}}const n=t[s];if(void 0===n){return void os("PropertyBinding: Trying to update property for track: "+e.nodeName+"."+s+" but it wasn't found.",t)}let a=this.Versioning.None;this.targetObject=t,!0===t.isMaterial?a=this.Versioning.NeedsUpdate:!0===t.isObject3D&&(a=this.Versioning.MatrixWorldNeedsUpdate);let o=this.BindingType.Direct;if(void 0!==r){if("morphTargetInfluences"===s){if(!t.geometry)return void os("PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.",this);if(!t.geometry.morphAttributes)return void os("PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.",this);void 0!==t.morphTargetDictionary[r]&&(r=t.morphTargetDictionary[r])}o=this.BindingType.ArrayElement,this.resolvedProperty=n,this.propertyIndex=r}else void 0!==n.fromArray&&void 0!==n.toArray?(o=this.BindingType.HasFromToArray,this.resolvedProperty=n):Array.isArray(n)?(o=this.BindingType.EntireArray,this.resolvedProperty=n):this.propertyName=s;this.getValue=this.GetterByBindingType[o],this.setValue=this.SetterByBindingTypeAndVersioning[o][a]}unbind(){this.node=null,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}}Gu.Composite=class{constructor(t,e,i){const s=i||Gu.parseTrackName(e);this._targetGroup=t,this._bindings=t.subscribe_(e,s)}getValue(t,e){this.bind();const i=this._targetGroup.nCachedObjects_,s=this._bindings[i];void 0!==s&&s.getValue(t,e)}setValue(t,e){const i=this._bindings;for(let s=this._targetGroup.nCachedObjects_,r=i.length;s!==r;++s)i[s].setValue(t,e)}bind(){const t=this._bindings;for(let e=this._targetGroup.nCachedObjects_,i=t.length;e!==i;++e)t[e].bind()}unbind(){const t=this._bindings;for(let e=this._targetGroup.nCachedObjects_,i=t.length;e!==i;++e)t[e].unbind()}},Gu.prototype.BindingType={Direct:0,EntireArray:1,ArrayElement:2,HasFromToArray:3},Gu.prototype.Versioning={None:0,NeedsUpdate:1,MatrixWorldNeedsUpdate:2},Gu.prototype.GetterByBindingType=[Gu.prototype._getValue_direct,Gu.prototype._getValue_array,Gu.prototype._getValue_arrayElement,Gu.prototype._getValue_toArray],Gu.prototype.SetterByBindingTypeAndVersioning=[[Gu.prototype._setValue_direct,Gu.prototype._setValue_direct_setNeedsUpdate,Gu.prototype._setValue_direct_setMatrixWorldNeedsUpdate],[Gu.prototype._setValue_array,Gu.prototype._setValue_array_setNeedsUpdate,Gu.prototype._setValue_array_setMatrixWorldNeedsUpdate],[Gu.prototype._setValue_arrayElement,Gu.prototype._setValue_arrayElement_setNeedsUpdate,Gu.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate],[Gu.prototype._setValue_fromArray,Gu.prototype._setValue_fromArray_setNeedsUpdate,Gu.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate]];class $u{constructor(){this.isAnimationObjectGroup=!0,this.uuid=gs(),this._objects=Array.prototype.slice.call(arguments),this.nCachedObjects_=0;const t={};this._indicesByUUID=t;for(let e=0,i=arguments.length;e!==i;++e)t[arguments[e].uuid]=e;this._paths=[],this._parsedPaths=[],this._bindings=[],this._bindingsIndicesByPath={};const e=this;this.stats={objects:{get total(){return e._objects.length},get inUse(){return this.total-e.nCachedObjects_}},get bindingsPerObject(){return e._bindings.length}}}add(){const t=this._objects,e=this._indicesByUUID,i=this._paths,s=this._parsedPaths,r=this._bindings,n=r.length;let a,o=t.length,h=this.nCachedObjects_;for(let l=0,c=arguments.length;l!==c;++l){const c=arguments[l],u=c.uuid;let d=e[u];if(void 0===d){d=o++,e[u]=d,t.push(c);for(let t=0,e=n;t!==e;++t)r[t].push(new Gu(c,i[t],s[t]))}else if(d<h){a=t[d];const o=--h,l=t[o];e[l.uuid]=d,t[d]=l,e[u]=o,t[o]=c;for(let t=0,e=n;t!==e;++t){const e=r[t],n=e[o];let a=e[d];e[d]=n,void 0===a&&(a=new Gu(c,i[t],s[t])),e[o]=a}}else t[d]!==a&&os("AnimationObjectGroup: Different objects with the same UUID detected. Clean the caches or recreate your infrastructure when reloading scenes.")}this.nCachedObjects_=h}remove(){const t=this._objects,e=this._indicesByUUID,i=this._bindings,s=i.length;let r=this.nCachedObjects_;for(let n=0,a=arguments.length;n!==a;++n){const a=arguments[n],o=a.uuid,h=e[o];if(void 0!==h&&h>=r){const n=r++,l=t[n];e[l.uuid]=h,t[h]=l,e[o]=n,t[n]=a;for(let t=0,e=s;t!==e;++t){const e=i[t],s=e[n],r=e[h];e[h]=s,e[n]=r}}}this.nCachedObjects_=r}uncache(){const t=this._objects,e=this._indicesByUUID,i=this._bindings,s=i.length;let r=this.nCachedObjects_,n=t.length;for(let a=0,o=arguments.length;a!==o;++a){const o=arguments[a].uuid,h=e[o];if(void 0!==h)if(delete e[o],h<r){const a=--r,o=t[a],l=--n,c=t[l];e[o.uuid]=h,t[h]=o,e[c.uuid]=a,t[a]=c,t.pop();for(let t=0,e=s;t!==e;++t){const e=i[t],s=e[a],r=e[l];e[h]=s,e[a]=r,e.pop()}}else{const r=--n,a=t[r];r>0&&(e[a.uuid]=h),t[h]=a,t.pop();for(let t=0,e=s;t!==e;++t){const e=i[t];e[h]=e[r],e.pop()}}}this.nCachedObjects_=r}subscribe_(t,e){const i=this._bindingsIndicesByPath;let s=i[t];const r=this._bindings;if(void 0!==s)return r[s];const n=this._paths,a=this._parsedPaths,o=this._objects,h=o.length,l=this.nCachedObjects_,c=new Array(h);s=r.length,i[t]=s,n.push(t),a.push(e),r.push(c);for(let i=l,s=o.length;i!==s;++i){const s=o[i];c[i]=new Gu(s,t,e)}return c}unsubscribe_(t){const e=this._bindingsIndicesByPath,i=e[t];if(void 0!==i){const s=this._paths,r=this._parsedPaths,n=this._bindings,a=n.length-1,o=n[a];e[t[a]]=i,n[i]=o,n.pop(),r[i]=r[a],r.pop(),s[i]=s[a],s.pop()}}}class Qu{constructor(t,e,i=null,s=e.blendMode){this._mixer=t,this._clip=e,this._localRoot=i,this.blendMode=s;const r=e.tracks,n=r.length,a=new Array(n),o={endingStart:je,endingEnd:je};for(let t=0;t!==n;++t){const e=r[t].createInterpolant(null);a[t]=e,e.settings=o}this._interpolantSettings=o,this._interpolants=a,this._propertyBindings=new Array(n),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=2201,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&0!==this.timeScale&&null===this._startTime&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(t){return this._startTime=t,this}setLoop(t,e){return this.loop=t,this.repetitions=e,this}setEffectiveWeight(t){return this.weight=t,this._effectiveWeight=this.enabled?t:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(t){return this._scheduleFading(t,0,1)}fadeOut(t){return this._scheduleFading(t,1,0)}crossFadeFrom(t,e,i=!1){if(t.fadeOut(e),this.fadeIn(e),!0===i){const i=this._clip.duration,s=t._clip.duration,r=s/i,n=i/s;t.warp(1,r,e),this.warp(n,1,e)}return this}crossFadeTo(t,e,i=!1){return t.crossFadeFrom(this,e,i)}stopFading(){const t=this._weightInterpolant;return null!==t&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}setEffectiveTimeScale(t){return this.timeScale=t,this._effectiveTimeScale=this.paused?0:t,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(t){return this.timeScale=this._clip.duration/t,this.stopWarping()}syncWith(t){return this.time=t.time,this.timeScale=t.timeScale,this.stopWarping()}halt(t){return this.warp(this._effectiveTimeScale,0,t)}warp(t,e,i){const s=this._mixer,r=s.time,n=this.timeScale;let a=this._timeScaleInterpolant;null===a&&(a=s._lendControlInterpolant(),this._timeScaleInterpolant=a);const o=a.parameterPositions,h=a.sampleValues;return o[0]=r,o[1]=r+i,h[0]=t/n,h[1]=e/n,this}stopWarping(){const t=this._timeScaleInterpolant;return null!==t&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(t,e,i,s){if(!this.enabled)return void this._updateWeight(t);const r=this._startTime;if(null!==r){const s=(t-r)*i;s<0||0===i?e=0:(this._startTime=null,e=i*s)}e*=this._updateTimeScale(t);const n=this._updateTime(e),a=this._updateWeight(t);if(a>0){const t=this._interpolants,e=this._propertyBindings;if(this.blendMode===Je)for(let i=0,s=t.length;i!==s;++i)t[i].evaluate(n),e[i].accumulateAdditive(a);else for(let i=0,r=t.length;i!==r;++i)t[i].evaluate(n),e[i].accumulate(s,a)}}_updateWeight(t){let e=0;if(this.enabled){e=this.weight;const i=this._weightInterpolant;if(null!==i){const s=i.evaluate(t)[0];e*=s,t>i.parameterPositions[1]&&(this.stopFading(),0===s&&(this.enabled=!1))}}return this._effectiveWeight=e,e}_updateTimeScale(t){let e=0;if(!this.paused){e=this.timeScale;const i=this._timeScaleInterpolant;if(null!==i){e*=i.evaluate(t)[0],t>i.parameterPositions[1]&&(this.stopWarping(),0===e?this.paused=!0:this.timeScale=e)}}return this._effectiveTimeScale=e,e}_updateTime(t){const e=this._clip.duration,i=this.loop;let s=this.time+t,r=this._loopCount;const n=2202===i;if(0===t)return-1===r||!n||1&~r?s:e-s;if(2200===i){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));t:{if(s>=e)s=e;else{if(!(s<0)){this.time=s;break t}s=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=s,this._mixer.dispatchEvent({type:"finished",action:this,direction:t<0?-1:1})}}else{if(-1===r&&(t>=0?(r=0,this._setEndings(!0,0===this.repetitions,n)):this._setEndings(0===this.repetitions,!0,n)),s>=e||s<0){const i=Math.floor(s/e);s-=e*i,r+=Math.abs(i);const a=this.repetitions-r;if(a<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,s=t>0?e:0,this.time=s,this._mixer.dispatchEvent({type:"finished",action:this,direction:t>0?1:-1});else{if(1===a){const e=t<0;this._setEndings(e,!e,n)}else this._setEndings(!1,!1,n);this._loopCount=r,this.time=s,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:i})}}else this.time=s;if(n&&!(1&~r))return e-s}return s}_setEndings(t,e,i){const s=this._interpolantSettings;i?(s.endingStart=De,s.endingEnd=De):(s.endingStart=t?this.zeroSlopeAtStart?De:je:We,s.endingEnd=e?this.zeroSlopeAtEnd?De:je:We)}_scheduleFading(t,e,i){const s=this._mixer,r=s.time;let n=this._weightInterpolant;null===n&&(n=s._lendControlInterpolant(),this._weightInterpolant=n);const a=n.parameterPositions,o=n.sampleValues;return a[0]=r,o[0]=e,a[1]=r+t,o[1]=i,this}}const Ku=new Float32Array(1);class td extends us{constructor(t){super(),this._root=t,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}_bindAction(t,e){const i=t._localRoot||this._root,s=t._clip.tracks,r=s.length,n=t._propertyBindings,a=t._interpolants,o=i.uuid,h=this._bindingsByRootAndName;let l=h[o];void 0===l&&(l={},h[o]=l);for(let t=0;t!==r;++t){const r=s[t],h=r.name;let c=l[h];if(void 0!==c)++c.referenceCount,n[t]=c;else{if(c=n[t],void 0!==c){null===c._cacheIndex&&(++c.referenceCount,this._addInactiveBinding(c,o,h));continue}const s=e&&e._propertyBindings[t].binding.parsedPath;c=new Uu(Gu.create(i,h,s),r.ValueTypeName,r.getValueSize()),++c.referenceCount,this._addInactiveBinding(c,o,h),n[t]=c}a[t].resultBuffer=c.buffer}}_activateAction(t){if(!this._isActiveAction(t)){if(null===t._cacheIndex){const e=(t._localRoot||this._root).uuid,i=t._clip.uuid,s=this._actionsByClip[i];this._bindAction(t,s&&s.knownActions[0]),this._addInactiveAction(t,i,e)}const e=t._propertyBindings;for(let t=0,i=e.length;t!==i;++t){const i=e[t];0===i.useCount++&&(this._lendBinding(i),i.saveOriginalState())}this._lendAction(t)}}_deactivateAction(t){if(this._isActiveAction(t)){const e=t._propertyBindings;for(let t=0,i=e.length;t!==i;++t){const i=e[t];0===--i.useCount&&(i.restoreOriginalState(),this._takeBackBinding(i))}this._takeBackAction(t)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;const t=this;this.stats={actions:{get total(){return t._actions.length},get inUse(){return t._nActiveActions}},bindings:{get total(){return t._bindings.length},get inUse(){return t._nActiveBindings}},controlInterpolants:{get total(){return t._controlInterpolants.length},get inUse(){return t._nActiveControlInterpolants}}}}_isActiveAction(t){const e=t._cacheIndex;return null!==e&&e<this._nActiveActions}_addInactiveAction(t,e,i){const s=this._actions,r=this._actionsByClip;let n=r[e];if(void 0===n)n={knownActions:[t],actionByRoot:{}},t._byClipCacheIndex=0,r[e]=n;else{const e=n.knownActions;t._byClipCacheIndex=e.length,e.push(t)}t._cacheIndex=s.length,s.push(t),n.actionByRoot[i]=t}_removeInactiveAction(t){const e=this._actions,i=e[e.length-1],s=t._cacheIndex;i._cacheIndex=s,e[s]=i,e.pop(),t._cacheIndex=null;const r=t._clip.uuid,n=this._actionsByClip,a=n[r],o=a.knownActions,h=o[o.length-1],l=t._byClipCacheIndex;h._byClipCacheIndex=l,o[l]=h,o.pop(),t._byClipCacheIndex=null;delete a.actionByRoot[(t._localRoot||this._root).uuid],0===o.length&&delete n[r],this._removeInactiveBindingsForAction(t)}_removeInactiveBindingsForAction(t){const e=t._propertyBindings;for(let t=0,i=e.length;t!==i;++t){const i=e[t];0===--i.referenceCount&&this._removeInactiveBinding(i)}}_lendAction(t){const e=this._actions,i=t._cacheIndex,s=this._nActiveActions++,r=e[s];t._cacheIndex=s,e[s]=t,r._cacheIndex=i,e[i]=r}_takeBackAction(t){const e=this._actions,i=t._cacheIndex,s=--this._nActiveActions,r=e[s];t._cacheIndex=s,e[s]=t,r._cacheIndex=i,e[i]=r}_addInactiveBinding(t,e,i){const s=this._bindingsByRootAndName,r=this._bindings;let n=s[e];void 0===n&&(n={},s[e]=n),n[i]=t,t._cacheIndex=r.length,r.push(t)}_removeInactiveBinding(t){const e=this._bindings,i=t.binding,s=i.rootNode.uuid,r=i.path,n=this._bindingsByRootAndName,a=n[s],o=e[e.length-1],h=t._cacheIndex;o._cacheIndex=h,e[h]=o,e.pop(),delete a[r],0===Object.keys(a).length&&delete n[s]}_lendBinding(t){const e=this._bindings,i=t._cacheIndex,s=this._nActiveBindings++,r=e[s];t._cacheIndex=s,e[s]=t,r._cacheIndex=i,e[i]=r}_takeBackBinding(t){const e=this._bindings,i=t._cacheIndex,s=--this._nActiveBindings,r=e[s];t._cacheIndex=s,e[s]=t,r._cacheIndex=i,e[i]=r}_lendControlInterpolant(){const t=this._controlInterpolants,e=this._nActiveControlInterpolants++;let i=t[e];return void 0===i&&(i=new uc(new Float32Array(2),new Float32Array(2),1,Ku),i.__cacheIndex=e,t[e]=i),i}_takeBackControlInterpolant(t){const e=this._controlInterpolants,i=t.__cacheIndex,s=--this._nActiveControlInterpolants,r=e[s];t.__cacheIndex=s,e[s]=t,r.__cacheIndex=i,e[i]=r}clipAction(t,e,i){const s=e||this._root,r=s.uuid;let n="string"==typeof t?Mc.findByName(s,t):t;const a=null!==n?n.uuid:t,o=this._actionsByClip[a];let h=null;if(void 0===i&&(i=null!==n?n.blendMode:Ue),void 0!==o){const t=o.actionByRoot[r];if(void 0!==t&&t.blendMode===i)return t;h=o.knownActions[0],null===n&&(n=h._clip)}if(null===n)return null;const l=new Qu(this,n,e,i);return this._bindAction(l,h),this._addInactiveAction(l,a,r),l}existingAction(t,e){const i=e||this._root,s=i.uuid,r="string"==typeof t?Mc.findByName(i,t):t,n=r?r.uuid:t,a=this._actionsByClip[n];return void 0!==a&&a.actionByRoot[s]||null}stopAllAction(){const t=this._actions;for(let e=this._nActiveActions-1;e>=0;--e)t[e].stop();return this}update(t){t*=this.timeScale;const e=this._actions,i=this._nActiveActions,s=this.time+=t,r=Math.sign(t),n=this._accuIndex^=1;for(let a=0;a!==i;++a){e[a]._update(s,t,r,n)}const a=this._bindings,o=this._nActiveBindings;for(let t=0;t!==o;++t)a[t].apply(n);return this}setTime(t){this.time=0;for(let t=0;t<this._actions.length;t++)this._actions[t].time=0;return this.update(t)}getRoot(){return this._root}uncacheClip(t){const e=this._actions,i=t.uuid,s=this._actionsByClip,r=s[i];if(void 0!==r){const t=r.knownActions;for(let i=0,s=t.length;i!==s;++i){const s=t[i];this._deactivateAction(s);const r=s._cacheIndex,n=e[e.length-1];s._cacheIndex=null,s._byClipCacheIndex=null,n._cacheIndex=r,e[r]=n,e.pop(),this._removeInactiveBindingsForAction(s)}delete s[i]}}uncacheRoot(t){const e=t.uuid,i=this._actionsByClip;for(const t in i){const s=i[t].actionByRoot[e];void 0!==s&&(this._deactivateAction(s),this._removeInactiveAction(s))}const s=this._bindingsByRootAndName[e];if(void 0!==s)for(const t in s){const e=s[t];e.restoreOriginalState(),this._removeInactiveBinding(e)}}uncacheAction(t,e){const i=this.existingAction(t,e);null!==i&&(this._deactivateAction(i),this._removeInactiveAction(i))}}class ed extends qs{constructor(t=1,e=1,i=1,s={}){super(t,e,s),this.isRenderTarget3D=!0,this.depth=i,this.texture=new Zs(null,t,e,i),this._setTextureOptions(s),this.texture.isRenderTargetTexture=!0}}class id{constructor(t){this.value=t}clone(){return new id(void 0===this.value.clone?this.value:this.value.clone())}}let sd=0;class rd extends us{constructor(){super(),this.isUniformsGroup=!0,Object.defineProperty(this,"id",{value:sd++}),this.name="",this.usage=Oi,this.uniforms=[]}add(t){return this.uniforms.push(t),this}remove(t){const e=this.uniforms.indexOf(t);return-1!==e&&this.uniforms.splice(e,1),this}setName(t){return this.name=t,this}setUsage(t){return this.usage=t,this}dispose(){this.dispatchEvent({type:"dispose"})}copy(t){this.name=t.name,this.usage=t.usage;const e=t.uniforms;this.uniforms.length=0;for(let t=0,i=e.length;t<i;t++){const i=Array.isArray(e[t])?e[t]:[e[t]];for(let t=0;t<i.length;t++)this.uniforms.push(i[t].clone())}return this}clone(){return(new this.constructor).copy(this)}}class nd extends Un{constructor(t,e,i=1){super(t,e),this.isInstancedInterleavedBuffer=!0,this.meshPerAttribute=i}copy(t){return super.copy(t),this.meshPerAttribute=t.meshPerAttribute,this}clone(t){const e=super.clone(t);return e.meshPerAttribute=this.meshPerAttribute,e}toJSON(t){const e=super.toJSON(t);return e.isInstancedInterleavedBuffer=!0,e.meshPerAttribute=this.meshPerAttribute,e}}class ad{constructor(t,e,i,s,r,n=!1){this.isGLBufferAttribute=!0,this.name="",this.buffer=t,this.type=e,this.itemSize=i,this.elementSize=s,this.count=r,this.normalized=n,this.version=0}set needsUpdate(t){!0===t&&this.version++}setBuffer(t){return this.buffer=t,this}setType(t,e){return this.type=t,this.elementSize=e,this}setItemSize(t){return this.itemSize=t,this}setCount(t){return this.count=t,this}}const od=new $s;class hd{constructor(t,e,i=0,s=1/0){this.ray=new va(t,e),this.near=i,this.far=s,this.camera=null,this.layers=new hr,this.params={Mesh:{},Line:{threshold:1},LOD:{},Points:{threshold:1},Sprite:{}}}set(t,e){this.ray.set(t,e)}setFromCamera(t,e){e.isPerspectiveCamera?(this.ray.origin.setFromMatrixPosition(e.matrixWorld),this.ray.direction.set(t.x,t.y,.5).unproject(e).sub(this.ray.origin).normalize(),this.camera=e):e.isOrthographicCamera?(this.ray.origin.set(t.x,t.y,(e.near+e.far)/(e.near-e.far)).unproject(e),this.ray.direction.set(0,0,-1).transformDirection(e.matrixWorld),this.camera=e):os("Raycaster: Unsupported camera type: "+e.type)}setFromXRController(t){return od.identity().extractRotation(t.matrixWorld),this.ray.origin.setFromMatrixPosition(t.matrixWorld),this.ray.direction.set(0,0,-1).applyMatrix4(od),this}intersectObject(t,e=!0,i=[]){return cd(t,this,i,e),i.sort(ld),i}intersectObjects(t,e=!0,i=[]){for(let s=0,r=t.length;s<r;s++)cd(t[s],this,i,e);return i.sort(ld),i}}function ld(t,e){return t.distance-e.distance}function cd(t,e,i,s){let r=!0;if(t.layers.test(e.layers)){!1===t.raycast(e,i)&&(r=!1)}if(!0===r&&!0===s){const s=t.children;for(let t=0,r=s.length;t<r;t++)cd(s[t],e,i,!0)}}class ud{constructor(){this._previousTime=0,this._currentTime=0,this._startTime=performance.now(),this._delta=0,this._elapsed=0,this._timescale=1,this._document=null,this._pageVisibilityHandler=null}connect(t){this._document=t,void 0!==t.hidden&&(this._pageVisibilityHandler=dd.bind(this),t.addEventListener("visibilitychange",this._pageVisibilityHandler,!1))}disconnect(){null!==this._pageVisibilityHandler&&(this._document.removeEventListener("visibilitychange",this._pageVisibilityHandler),this._pageVisibilityHandler=null),this._document=null}getDelta(){return this._delta/1e3}getElapsed(){return this._elapsed/1e3}getTimescale(){return this._timescale}setTimescale(t){return this._timescale=t,this}reset(){return this._currentTime=performance.now()-this._startTime,this}dispose(){this.disconnect()}update(t){return null!==this._pageVisibilityHandler&&!0===this._document.hidden?this._delta=0:(this._previousTime=this._currentTime,this._currentTime=(void 0!==t?t:performance.now())-this._startTime,this._delta=(this._currentTime-this._previousTime)*this._timescale,this._elapsed+=this._delta),this}}function dd(){!1===this._document.hidden&&this.reset()}class pd{constructor(t=1,e=0,i=0){this.radius=t,this.phi=e,this.theta=i}set(t,e,i){return this.radius=t,this.phi=e,this.theta=i,this}copy(t){return this.radius=t.radius,this.phi=t.phi,this.theta=t.theta,this}makeSafe(){const t=1e-6;return this.phi=fs(this.phi,t,Math.PI-t),this}setFromVector3(t){return this.setFromCartesianCoords(t.x,t.y,t.z)}setFromCartesianCoords(t,e,i){return this.radius=Math.sqrt(t*t+e*e+i*i),0===this.radius?(this.theta=0,this.phi=0):(this.theta=Math.atan2(t,i),this.phi=Math.acos(fs(e/this.radius,-1,1))),this}clone(){return(new this.constructor).copy(this)}}class md{constructor(t=1,e=0,i=0){this.radius=t,this.theta=e,this.y=i}set(t,e,i){return this.radius=t,this.theta=e,this.y=i,this}copy(t){return this.radius=t.radius,this.theta=t.theta,this.y=t.y,this}setFromVector3(t){return this.setFromCartesianCoords(t.x,t.y,t.z)}setFromCartesianCoords(t,e,i){return this.radius=Math.sqrt(t*t+i*i),this.theta=Math.atan2(t,i),this.y=e,this}clone(){return(new this.constructor).copy(this)}}class yd{constructor(t,e,i,s){yd.prototype.isMatrix2=!0,this.elements=[1,0,0,1],void 0!==t&&this.set(t,e,i,s)}identity(){return this.set(1,0,0,1),this}fromArray(t,e=0){for(let i=0;i<4;i++)this.elements[i]=t[i+e];return this}set(t,e,i,s){const r=this.elements;return r[0]=t,r[2]=e,r[1]=i,r[3]=s,this}}const gd=new Ss;class fd{constructor(t=new Ss(1/0,1/0),e=new Ss(-1/0,-1/0)){this.isBox2=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromPoints(t){this.makeEmpty();for(let e=0,i=t.length;e<i;e++)this.expandByPoint(t[e]);return this}setFromCenterAndSize(t,e){const i=gd.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(i),this.max.copy(t).add(i),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.min.copy(t.min),this.max.copy(t.max),this}makeEmpty(){return this.min.x=this.min.y=1/0,this.max.x=this.max.y=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y}getCenter(t){return this.isEmpty()?t.set(0,0):t.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(t){return this.isEmpty()?t.set(0,0):t.subVectors(this.max,this.min)}expandByPoint(t){return this.min.min(t),this.max.max(t),this}expandByVector(t){return this.min.sub(t),this.max.add(t),this}expandByScalar(t){return this.min.addScalar(-t),this.max.addScalar(t),this}containsPoint(t){return t.x>=this.min.x&&t.x<=this.max.x&&t.y>=this.min.y&&t.y<=this.max.y}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(t){return t.max.x>=this.min.x&&t.min.x<=this.max.x&&t.max.y>=this.min.y&&t.min.y<=this.max.y}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,gd).distanceTo(t)}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const xd=new As,bd=new As,vd=new As,wd=new As,Md=new As,Sd=new As,_d=new As;class Ad{constructor(t=new As,e=new As){this.start=t,this.end=e}set(t,e){return this.start.copy(t),this.end.copy(e),this}copy(t){return this.start.copy(t.start),this.end.copy(t.end),this}getCenter(t){return t.addVectors(this.start,this.end).multiplyScalar(.5)}delta(t){return t.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(t,e){return this.delta(e).multiplyScalar(t).add(this.start)}closestPointToPointParameter(t,e){xd.subVectors(t,this.start),bd.subVectors(this.end,this.start);const i=bd.dot(bd);let s=bd.dot(xd)/i;return e&&(s=fs(s,0,1)),s}closestPointToPoint(t,e,i){const s=this.closestPointToPointParameter(t,e);return this.delta(i).multiplyScalar(s).add(this.start)}distanceSqToLine3(t,e=Sd,i=_d){const s=1e-8*1e-8;let r,n;const a=this.start,o=t.start,h=this.end,l=t.end;vd.subVectors(h,a),wd.subVectors(l,o),Md.subVectors(a,o);const c=vd.dot(vd),u=wd.dot(wd),d=wd.dot(Md);if(c<=s&&u<=s)return e.copy(a),i.copy(o),e.sub(i),e.dot(e);if(c<=s)r=0,n=d/u,n=fs(n,0,1);else{const t=vd.dot(Md);if(u<=s)n=0,r=fs(-t/c,0,1);else{const e=vd.dot(wd),i=c*u-e*e;r=0!==i?fs((e*d-t*u)/i,0,1):0,n=(e*r+d)/u,n<0?(n=0,r=fs(-t/c,0,1)):n>1&&(n=1,r=fs((e-t)/c,0,1))}}return e.copy(a).addScaledVector(vd,r),i.copy(o).addScaledVector(wd,n),e.distanceToSquared(i)}applyMatrix4(t){return this.start.applyMatrix4(t),this.end.applyMatrix4(t),this}equals(t){return t.start.equals(this.start)&&t.end.equals(this.end)}clone(){return(new this.constructor).copy(this)}}const Td=new As;class zd extends _r{constructor(t,e){super(),this.light=t,this.matrixAutoUpdate=!1,this.color=e,this.type="SpotLightHelper";const i=new Wn,s=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let t=0,e=1,i=32;t<i;t++,e++){const r=t/i*Math.PI*2,n=e/i*Math.PI*2;s.push(Math.cos(r),Math.sin(r),1,Math.cos(n),Math.sin(n),1)}i.setAttribute("position",new kn(s,3));const r=new Vo({fog:!1,toneMapped:!1});this.cone=new Ho(i,r),this.add(this.cone),this.update()}dispose(){this.cone.geometry.dispose(),this.cone.material.dispose()}update(){this.light.updateWorldMatrix(!0,!1),this.light.target.updateWorldMatrix(!0,!1),this.parent?(this.parent.updateWorldMatrix(!0),this.matrix.copy(this.parent.matrixWorld).invert().multiply(this.light.matrixWorld)):this.matrix.copy(this.light.matrixWorld),this.matrixWorld.copy(this.light.matrixWorld);const t=this.light.distance?this.light.distance:1e3,e=t*Math.tan(this.light.angle);this.cone.scale.set(e,e,t),Td.setFromMatrixPosition(this.light.target.matrixWorld),this.cone.lookAt(Td),void 0!==this.color?this.cone.material.color.set(this.color):this.cone.material.color.copy(this.light.color)}}const Cd=new As,Id=new $s,kd=new $s;class Bd extends Ho{constructor(t){const e=Od(t),i=new Wn,s=[],r=[];for(let t=0;t<e.length;t++){const i=e[t];i.parent&&i.parent.isBone&&(s.push(0,0,0),s.push(0,0,0),r.push(0,0,0),r.push(0,0,0))}i.setAttribute("position",new kn(s,3)),i.setAttribute("color",new kn(r,3));super(i,new Vo({vertexColors:!0,depthTest:!1,depthWrite:!1,toneMapped:!1,transparent:!0})),this.isSkeletonHelper=!0,this.type="SkeletonHelper",this.root=t,this.bones=e,this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1;const n=new Or(255),a=new Or(65280);this.setColors(n,a)}updateMatrixWorld(t){const e=this.bones,i=this.geometry,s=i.getAttribute("position");kd.copy(this.root.matrixWorld).invert();for(let t=0,i=0;t<e.length;t++){const r=e[t];r.parent&&r.parent.isBone&&(Id.multiplyMatrices(kd,r.matrixWorld),Cd.setFromMatrixPosition(Id),s.setXYZ(i,Cd.x,Cd.y,Cd.z),Id.multiplyMatrices(kd,r.parent.matrixWorld),Cd.setFromMatrixPosition(Id),s.setXYZ(i+1,Cd.x,Cd.y,Cd.z),i+=2)}i.getAttribute("position").needsUpdate=!0,super.updateMatrixWorld(t)}setColors(t,e){const i=this.geometry.getAttribute("color");for(let s=0;s<i.count;s+=2)i.setXYZ(s,t.r,t.g,t.b),i.setXYZ(s+1,e.r,e.g,e.b);return i.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}}function Od(t){const e=[];!0===t.isBone&&e.push(t);for(let i=0;i<t.children.length;i++)e.push(...Od(t.children[i]));return e}class Pd extends Pa{constructor(t,e,i){super(new Pl(e,4,2),new wa({wireframe:!0,fog:!1,toneMapped:!1})),this.light=t,this.color=i,this.type="PointLightHelper",this.matrix=this.light.matrixWorld,this.matrixAutoUpdate=!1,this.update()}dispose(){this.geometry.dispose(),this.material.dispose()}update(){this.light.updateWorldMatrix(!0,!1),void 0!==this.color?this.material.color.set(this.color):this.material.color.copy(this.light.color)}}const Rd=new As,Nd=new Or,Vd=new Or;class Ed extends _r{constructor(t,e,i){super(),this.light=t,this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1,this.color=i,this.type="HemisphereLightHelper";const s=new Il(e);s.rotateY(.5*Math.PI),this.material=new wa({wireframe:!0,fog:!1,toneMapped:!1}),void 0===this.color&&(this.material.vertexColors=!0);const r=s.getAttribute("position"),n=new Float32Array(3*r.count);s.setAttribute("color",new wn(n,3)),this.add(new Pa(s,this.material)),this.update()}dispose(){this.children[0].geometry.dispose(),this.children[0].material.dispose()}update(){const t=this.children[0];if(void 0!==this.color)this.material.color.set(this.color);else{const e=t.geometry.getAttribute("color");Nd.copy(this.light.color),Vd.copy(this.light.groundColor);for(let t=0,i=e.count;t<i;t++){const s=t<i/2?Nd:Vd;e.setXYZ(t,s.r,s.g,s.b)}e.needsUpdate=!0}this.light.updateWorldMatrix(!0,!1),t.lookAt(Rd.setFromMatrixPosition(this.light.matrixWorld).negate())}}class Fd extends Ho{constructor(t=10,e=10,i=4473924,s=8947848){i=new Or(i),s=new Or(s);const r=e/2,n=t/e,a=t/2,o=[],h=[];for(let t=0,l=0,c=-a;t<=e;t++,c+=n){o.push(-a,0,c,a,0,c),o.push(c,0,-a,c,0,a);const e=t===r?i:s;e.toArray(h,l),l+=3,e.toArray(h,l),l+=3,e.toArray(h,l),l+=3,e.toArray(h,l),l+=3}const l=new Wn;l.setAttribute("position",new kn(o,3)),l.setAttribute("color",new kn(h,3));super(l,new Vo({vertexColors:!0,toneMapped:!1})),this.type="GridHelper"}dispose(){this.geometry.dispose(),this.material.dispose()}}class Ld extends Ho{constructor(t=10,e=16,i=8,s=64,r=4473924,n=8947848){r=new Or(r),n=new Or(n);const a=[],o=[];if(e>1)for(let i=0;i<e;i++){const s=i/e*(2*Math.PI),h=Math.sin(s)*t,l=Math.cos(s)*t;a.push(0,0,0),a.push(h,0,l);const c=1&i?r:n;o.push(c.r,c.g,c.b),o.push(c.r,c.g,c.b)}for(let e=0;e<i;e++){const h=1&e?r:n,l=t-t/i*e;for(let t=0;t<s;t++){let e=t/s*(2*Math.PI),i=Math.sin(e)*l,r=Math.cos(e)*l;a.push(i,0,r),o.push(h.r,h.g,h.b),e=(t+1)/s*(2*Math.PI),i=Math.sin(e)*l,r=Math.cos(e)*l,a.push(i,0,r),o.push(h.r,h.g,h.b)}}const h=new Wn;h.setAttribute("position",new kn(a,3)),h.setAttribute("color",new kn(o,3));super(h,new Vo({vertexColors:!0,toneMapped:!1})),this.type="PolarGridHelper"}dispose(){this.geometry.dispose(),this.material.dispose()}}const jd=new As,Dd=new As,Wd=new As;class Ud extends _r{constructor(t,e,i){super(),this.light=t,this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1,this.color=i,this.type="DirectionalLightHelper",void 0===e&&(e=1);let s=new Wn;s.setAttribute("position",new kn([-e,e,0,e,e,0,e,-e,0,-e,-e,0,-e,e,0],3));const r=new Vo({fog:!1,toneMapped:!1});this.lightPlane=new Jo(s,r),this.add(this.lightPlane),s=new Wn,s.setAttribute("position",new kn([0,0,0,0,0,1],3)),this.targetLine=new Jo(s,r),this.add(this.targetLine),this.update()}dispose(){this.lightPlane.geometry.dispose(),this.lightPlane.material.dispose(),this.targetLine.geometry.dispose(),this.targetLine.material.dispose()}update(){this.light.updateWorldMatrix(!0,!1),this.light.target.updateWorldMatrix(!0,!1),jd.setFromMatrixPosition(this.light.matrixWorld),Dd.setFromMatrixPosition(this.light.target.matrixWorld),Wd.subVectors(Dd,jd),this.lightPlane.lookAt(Dd),void 0!==this.color?(this.lightPlane.material.color.set(this.color),this.targetLine.material.color.set(this.color)):(this.lightPlane.material.color.copy(this.light.color),this.targetLine.material.color.copy(this.light.color)),this.targetLine.lookAt(Dd),this.targetLine.scale.z=Wd.length()}}const Jd=new As,qd=new Yc;class Xd extends Ho{constructor(t){const e=new Wn,i=new Vo({color:16777215,vertexColors:!0,toneMapped:!1}),s=[],r=[],n={};function a(t,e){o(t),o(e)}function o(t){s.push(0,0,0),r.push(0,0,0),void 0===n[t]&&(n[t]=[]),n[t].push(s.length/3-1)}a("n1","n2"),a("n2","n4"),a("n4","n3"),a("n3","n1"),a("f1","f2"),a("f2","f4"),a("f4","f3"),a("f3","f1"),a("n1","f1"),a("n2","f2"),a("n3","f3"),a("n4","f4"),a("p","n1"),a("p","n2"),a("p","n3"),a("p","n4"),a("u1","u2"),a("u2","u3"),a("u3","u1"),a("c","t"),a("p","c"),a("cn1","cn2"),a("cn3","cn4"),a("cf1","cf2"),a("cf3","cf4"),e.setAttribute("position",new kn(s,3)),e.setAttribute("color",new kn(r,3)),super(e,i),this.type="CameraHelper",this.camera=t,this.camera.updateProjectionMatrix&&this.camera.updateProjectionMatrix(),this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1,this.pointMap=n,this.update();const h=new Or(16755200),l=new Or(16711680),c=new Or(43775),u=new Or(16777215),d=new Or(3355443);this.setColors(h,l,c,u,d)}setColors(t,e,i,s,r){const n=this.geometry.getAttribute("color");return n.setXYZ(0,t.r,t.g,t.b),n.setXYZ(1,t.r,t.g,t.b),n.setXYZ(2,t.r,t.g,t.b),n.setXYZ(3,t.r,t.g,t.b),n.setXYZ(4,t.r,t.g,t.b),n.setXYZ(5,t.r,t.g,t.b),n.setXYZ(6,t.r,t.g,t.b),n.setXYZ(7,t.r,t.g,t.b),n.setXYZ(8,t.r,t.g,t.b),n.setXYZ(9,t.r,t.g,t.b),n.setXYZ(10,t.r,t.g,t.b),n.setXYZ(11,t.r,t.g,t.b),n.setXYZ(12,t.r,t.g,t.b),n.setXYZ(13,t.r,t.g,t.b),n.setXYZ(14,t.r,t.g,t.b),n.setXYZ(15,t.r,t.g,t.b),n.setXYZ(16,t.r,t.g,t.b),n.setXYZ(17,t.r,t.g,t.b),n.setXYZ(18,t.r,t.g,t.b),n.setXYZ(19,t.r,t.g,t.b),n.setXYZ(20,t.r,t.g,t.b),n.setXYZ(21,t.r,t.g,t.b),n.setXYZ(22,t.r,t.g,t.b),n.setXYZ(23,t.r,t.g,t.b),n.setXYZ(24,e.r,e.g,e.b),n.setXYZ(25,e.r,e.g,e.b),n.setXYZ(26,e.r,e.g,e.b),n.setXYZ(27,e.r,e.g,e.b),n.setXYZ(28,e.r,e.g,e.b),n.setXYZ(29,e.r,e.g,e.b),n.setXYZ(30,e.r,e.g,e.b),n.setXYZ(31,e.r,e.g,e.b),n.setXYZ(32,i.r,i.g,i.b),n.setXYZ(33,i.r,i.g,i.b),n.setXYZ(34,i.r,i.g,i.b),n.setXYZ(35,i.r,i.g,i.b),n.setXYZ(36,i.r,i.g,i.b),n.setXYZ(37,i.r,i.g,i.b),n.setXYZ(38,s.r,s.g,s.b),n.setXYZ(39,s.r,s.g,s.b),n.setXYZ(40,r.r,r.g,r.b),n.setXYZ(41,r.r,r.g,r.b),n.setXYZ(42,r.r,r.g,r.b),n.setXYZ(43,r.r,r.g,r.b),n.setXYZ(44,r.r,r.g,r.b),n.setXYZ(45,r.r,r.g,r.b),n.setXYZ(46,r.r,r.g,r.b),n.setXYZ(47,r.r,r.g,r.b),n.setXYZ(48,r.r,r.g,r.b),n.setXYZ(49,r.r,r.g,r.b),n.needsUpdate=!0,this}update(){const t=this.geometry,e=this.pointMap;let i,s;if(qd.projectionMatrixInverse.copy(this.camera.projectionMatrixInverse),!0===this.camera.reversedDepth)i=1,s=0;else if(this.camera.coordinateSystem===Ui)i=-1,s=1;else{if(this.camera.coordinateSystem!==Ji)throw new Error("THREE.CameraHelper.update(): Invalid coordinate system: "+this.camera.coordinateSystem);i=0,s=1}Yd("c",e,t,qd,0,0,i),Yd("t",e,t,qd,0,0,s),Yd("n1",e,t,qd,-1,-1,i),Yd("n2",e,t,qd,1,-1,i),Yd("n3",e,t,qd,-1,1,i),Yd("n4",e,t,qd,1,1,i),Yd("f1",e,t,qd,-1,-1,s),Yd("f2",e,t,qd,1,-1,s),Yd("f3",e,t,qd,-1,1,s),Yd("f4",e,t,qd,1,1,s),Yd("u1",e,t,qd,.7,1.1,i),Yd("u2",e,t,qd,-.7,1.1,i),Yd("u3",e,t,qd,0,2,i),Yd("cf1",e,t,qd,-1,0,s),Yd("cf2",e,t,qd,1,0,s),Yd("cf3",e,t,qd,0,-1,s),Yd("cf4",e,t,qd,0,1,s),Yd("cn1",e,t,qd,-1,0,i),Yd("cn2",e,t,qd,1,0,i),Yd("cn3",e,t,qd,0,-1,i),Yd("cn4",e,t,qd,0,1,i),t.getAttribute("position").needsUpdate=!0}dispose(){this.geometry.dispose(),this.material.dispose()}}function Yd(t,e,i,s,r,n,a){Jd.set(r,n,a).unproject(s);const o=e[t];if(void 0!==o){const t=i.getAttribute("position");for(let e=0,i=o.length;e<i;e++)t.setXYZ(o[e],Jd.x,Jd.y,Jd.z)}}const Hd=new $r;class Zd extends Ho{constructor(t,e=16776960){const i=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),s=new Float32Array(24),r=new Wn;r.setIndex(new wn(i,1)),r.setAttribute("position",new wn(s,3)),super(r,new Vo({color:e,toneMapped:!1})),this.object=t,this.type="BoxHelper",this.matrixAutoUpdate=!1,this.update()}update(){if(void 0!==this.object&&Hd.setFromObject(this.object),Hd.isEmpty())return;const t=Hd.min,e=Hd.max,i=this.geometry.attributes.position,s=i.array;s[0]=e.x,s[1]=e.y,s[2]=e.z,s[3]=t.x,s[4]=e.y,s[5]=e.z,s[6]=t.x,s[7]=t.y,s[8]=e.z,s[9]=e.x,s[10]=t.y,s[11]=e.z,s[12]=e.x,s[13]=e.y,s[14]=t.z,s[15]=t.x,s[16]=e.y,s[17]=t.z,s[18]=t.x,s[19]=t.y,s[20]=t.z,s[21]=e.x,s[22]=t.y,s[23]=t.z,i.needsUpdate=!0,this.geometry.computeBoundingSphere()}setFromObject(t){return this.object=t,this.update(),this}copy(t,e){return super.copy(t,e),this.object=t.object,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class Gd extends Ho{constructor(t,e=16776960){const i=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),s=new Wn;s.setIndex(new wn(i,1)),s.setAttribute("position",new kn([1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,-1,1,-1,-1,-1,-1,1,-1,-1],3)),super(s,new Vo({color:e,toneMapped:!1})),this.box=t,this.type="Box3Helper",this.geometry.computeBoundingSphere()}updateMatrixWorld(t){const e=this.box;e.isEmpty()||(e.getCenter(this.position),e.getSize(this.scale),this.scale.multiplyScalar(.5),super.updateMatrixWorld(t))}dispose(){this.geometry.dispose(),this.material.dispose()}}class $d extends Jo{constructor(t,e=1,i=16776960){const s=i,r=new Wn;r.setAttribute("position",new kn([1,-1,0,-1,1,0,-1,-1,0,1,1,0,-1,1,0,-1,-1,0,1,-1,0,1,1,0],3)),r.computeBoundingSphere(),super(r,new Vo({color:s,toneMapped:!1})),this.type="PlaneHelper",this.plane=t,this.size=e;const n=new Wn;n.setAttribute("position",new kn([1,1,0,-1,1,0,-1,-1,0,1,1,0,-1,-1,0,1,-1,0],3)),n.computeBoundingSphere(),this.add(new Pa(n,new wa({color:s,opacity:.2,transparent:!0,depthWrite:!1,toneMapped:!1})))}updateMatrixWorld(t){this.position.set(0,0,0),this.scale.set(.5*this.size,.5*this.size,1),this.lookAt(this.plane.normal),this.translateZ(-this.plane.constant),super.updateMatrixWorld(t)}dispose(){this.geometry.dispose(),this.material.dispose(),this.children[0].geometry.dispose(),this.children[0].material.dispose()}}const Qd=new As;let Kd,tp;class ep extends _r{constructor(t=new As(0,0,1),e=new As(0,0,0),i=1,s=16776960,r=.2*i,n=.2*r){super(),this.type="ArrowHelper",void 0===Kd&&(Kd=new Wn,Kd.setAttribute("position",new kn([0,0,0,0,1,0],3)),tp=new xh(.5,1,5,1),tp.translate(0,-.5,0)),this.position.copy(e),this.line=new Jo(Kd,new Vo({color:s,toneMapped:!1})),this.line.matrixAutoUpdate=!1,this.add(this.line),this.cone=new Pa(tp,new wa({color:s,toneMapped:!1})),this.cone.matrixAutoUpdate=!1,this.add(this.cone),this.setDirection(t),this.setLength(i,r,n)}setDirection(t){if(t.y>.99999)this.quaternion.set(0,0,0,1);else if(t.y<-.99999)this.quaternion.set(1,0,0,0);else{Qd.set(t.z,0,-t.x).normalize();const e=Math.acos(t.y);this.quaternion.setFromAxisAngle(Qd,e)}}setLength(t,e=.2*t,i=.2*e){this.line.scale.set(1,Math.max(1e-4,t-e),1),this.line.updateMatrix(),this.cone.scale.set(i,e,i),this.cone.position.y=t,this.cone.updateMatrix()}setColor(t){this.line.material.color.set(t),this.cone.material.color.set(t)}copy(t){return super.copy(t,!1),this.line.copy(t.line),this.cone.copy(t.cone),this}dispose(){this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}}class ip extends Ho{constructor(t=1){const e=[0,0,0,t,0,0,0,0,0,0,t,0,0,0,0,0,0,t],i=new Wn;i.setAttribute("position",new kn(e,3)),i.setAttribute("color",new kn([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3));super(i,new Vo({vertexColors:!0,toneMapped:!1})),this.type="AxesHelper"}setColors(t,e,i){const s=new Or,r=this.geometry.attributes.color.array;return s.set(t),s.toArray(r,0),s.toArray(r,3),s.set(e),s.toArray(r,6),s.toArray(r,9),s.set(i),s.toArray(r,12),s.toArray(r,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class sp{constructor(){this.type="ShapePath",this.color=new Or,this.subPaths=[],this.currentPath=null}moveTo(t,e){return this.currentPath=new Yh,this.subPaths.push(this.currentPath),this.currentPath.moveTo(t,e),this}lineTo(t,e){return this.currentPath.lineTo(t,e),this}quadraticCurveTo(t,e,i,s){return this.currentPath.quadraticCurveTo(t,e,i,s),this}bezierCurveTo(t,e,i,s,r,n){return this.currentPath.bezierCurveTo(t,e,i,s,r,n),this}splineThru(t){return this.currentPath.splineThru(t),this}toShapes(t){function e(t,e){const i=e.length;let s=!1;for(let r=i-1,n=0;n<i;r=n++){let i=e[r],a=e[n],o=a.x-i.x,h=a.y-i.y;if(Math.abs(h)>Number.EPSILON){if(h<0&&(i=e[n],o=-o,a=e[r],h=-h),t.y<i.y||t.y>a.y)continue;if(t.y===i.y){if(t.x===i.x)return!0}else{const e=h*(t.x-i.x)-o*(t.y-i.y);if(0===e)return!0;if(e<0)continue;s=!s}}else{if(t.y!==i.y)continue;if(a.x<=t.x&&t.x<=i.x||i.x<=t.x&&t.x<=a.x)return!0}}return s}const i=Ml.isClockWise,s=this.subPaths;if(0===s.length)return[];let r,n,a;const o=[];if(1===s.length)return n=s[0],a=new Hh,a.curves=n.curves,o.push(a),o;let h=!i(s[0].getPoints());h=t?!h:h;const l=[],c=[];let u,d,p=[],m=0;c[m]=void 0,p[m]=[];for(let e=0,a=s.length;e<a;e++)n=s[e],u=n.getPoints(),r=i(u),r=t?!r:r,r?(!h&&c[m]&&m++,c[m]={s:new Hh,p:u},c[m].s.curves=n.curves,h&&m++,p[m]=[]):p[m].push({h:n,p:u[0]});if(!c[0])return function(t){const e=[];for(let i=0,s=t.length;i<s;i++){const s=t[i],r=new Hh;r.curves=s.curves,e.push(r)}return e}(s);if(c.length>1){let t=!1,i=0;for(let t=0,e=c.length;t<e;t++)l[t]=[];for(let s=0,r=c.length;s<r;s++){const r=p[s];for(let n=0;n<r.length;n++){const a=r[n];let o=!0;for(let r=0;r<c.length;r++)e(a.p,c[r].p)&&(s!==r&&i++,o?(o=!1,l[r].push(a)):t=!0);o&&l[s].push(a)}}i>0&&!1===t&&(p=l)}for(let t=0,e=c.length;t<e;t++){a=c[t].s,o.push(a),d=p[t];for(let t=0,e=d.length;t<e;t++)a.holes.push(d[t].h)}return o}}class rp extends us{constructor(t,e=null){super(),this.object=t,this.domElement=e,this.enabled=!0,this.state=-1,this.keys={},this.mouseButtons={LEFT:null,MIDDLE:null,RIGHT:null},this.touches={ONE:null,TWO:null}}connect(t){void 0!==t?(null!==this.domElement&&this.disconnect(),this.domElement=t):as("Controls: connect() now requires an element.")}disconnect(){}dispose(){}update(){}}function np(t,e,i,s){const r=function(t){switch(t){case zt:case Ct:return{byteLength:1,components:1};case kt:case It:case Rt:return{byteLength:2,components:1};case Nt:case Vt:return{byteLength:2,components:4};case Ot:case Bt:case Pt:return{byteLength:4,components:1};case Ft:case Lt:return{byteLength:4,components:3}}throw new Error(`Unknown texture type ${t}.`)}(s);switch(i){case 1021:return t*e;case qt:case Xt:return t*e/r.components*r.byteLength;case 1030:case 1031:return t*e*2/r.components*r.byteLength;case 1022:return t*e*3/r.components*r.byteLength;case Wt:case 1033:return t*e*4/r.components*r.byteLength;case 33776:case 33777:return Math.floor((t+3)/4)*Math.floor((e+3)/4)*8;case 33778:case 33779:return Math.floor((t+3)/4)*Math.floor((e+3)/4)*16;case 35841:case 35843:return Math.max(t,16)*Math.max(e,8)/4;case 35840:case 35842:return Math.max(t,8)*Math.max(e,8)/2;case 36196:case 37492:case 37488:case 37489:return Math.floor((t+3)/4)*Math.floor((e+3)/4)*8;case 37496:case 37490:case 37491:case 37808:return Math.floor((t+3)/4)*Math.floor((e+3)/4)*16;case 37809:return Math.floor((t+4)/5)*Math.floor((e+3)/4)*16;case 37810:return Math.floor((t+4)/5)*Math.floor((e+4)/5)*16;case 37811:return Math.floor((t+5)/6)*Math.floor((e+4)/5)*16;case 37812:return Math.floor((t+5)/6)*Math.floor((e+5)/6)*16;case 37813:return Math.floor((t+7)/8)*Math.floor((e+4)/5)*16;case 37814:return Math.floor((t+7)/8)*Math.floor((e+5)/6)*16;case 37815:return Math.floor((t+7)/8)*Math.floor((e+7)/8)*16;case 37816:return Math.floor((t+9)/10)*Math.floor((e+4)/5)*16;case 37817:return Math.floor((t+9)/10)*Math.floor((e+5)/6)*16;case 37818:return Math.floor((t+9)/10)*Math.floor((e+7)/8)*16;case 37819:return Math.floor((t+9)/10)*Math.floor((e+9)/10)*16;case 37820:return Math.floor((t+11)/12)*Math.floor((e+9)/10)*16;case 37821:return Math.floor((t+11)/12)*Math.floor((e+11)/12)*16;case 36492:case 36494:case 36495:return Math.ceil(t/4)*Math.ceil(e/4)*16;case 36283:case 36284:return Math.ceil(t/4)*Math.ceil(e/4)*8;case 36285:case 36286:return Math.ceil(t/4)*Math.ceil(e/4)*16}throw new Error(`Unable to determine texture byte length for ${i} format.`)}class ap{static contain(t,e){return function(t,e){const i=t.image&&t.image.width?t.image.width/t.image.height:1;return i>e?(t.repeat.x=1,t.repeat.y=i/e,t.offset.x=0,t.offset.y=(1-t.repeat.y)/2):(t.repeat.x=e/i,t.repeat.y=1,t.offset.x=(1-t.repeat.x)/2,t.offset.y=0),t}(t,e)}static cover(t,e){return function(t,e){const i=t.image&&t.image.width?t.image.width/t.image.height:1;return i>e?(t.repeat.x=e/i,t.repeat.y=1,t.offset.x=(1-t.repeat.x)/2,t.offset.y=0):(t.repeat.x=1,t.repeat.y=i/e,t.offset.x=0,t.offset.y=(1-t.repeat.y)/2),t}(t,e)}static fill(t){return function(t){return t.repeat.x=1,t.repeat.y=1,t.offset.x=0,t.offset.y=0,t}(t)}static getByteLength(t,e,i,s){return np(t,e,i,s)}}"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{detail:{revision:t}})),"undefined"!=typeof window&&(window.__THREE__?as("WARNING: Multiple instances of Three.js being imported."):window.__THREE__=t);export{it as ACESFilmicToneMapping,w as AddEquation,$ as AddOperation,Je as AdditiveAnimationBlendMode,g as AdditiveBlending,rt as AgXToneMapping,jt as AlphaFormat,Bi as AlwaysCompare,W as AlwaysDepth,Si as AlwaysStencilFunc,nu as AmbientLight,Qu as AnimationAction,Mc as AnimationClip,Bc as AnimationLoader,td as AnimationMixer,$u as AnimationObjectGroup,hc as AnimationUtils,Ch as ArcCurve,Cu as ArrayCamera,ep as ArrowHelper,at as AttachedBindMode,Vu as Audio,Wu as AudioAnalyser,vu as AudioContext,Nu as AudioListener,wu as AudioLoader,ip as AxesHelper,d as BackSide,He as BasicDepthPacking,o as BasicShadowMap,No as BatchedMesh,pc as BezierInterpolant,qa as Bone,yc as BooleanKeyframeTrack,fd as Box2,$r as Box3,Gd as Box3Helper,mh as BoxGeometry,Zd as BoxHelper,wn as BufferAttribute,Wn as BufferGeometry,du as BufferGeometryLoader,Ct as ByteType,_c as Cache,Yc as Camera,Xd as CameraHelper,ch as CanvasTexture,yh as CapsuleGeometry,Rh as CatmullRomCurve3,et as CineonToneMapping,gh as CircleGeometry,yt as ClampToEdgeWrapping,Iu as Clock,Or as Color,gc as ColorKeyframeTrack,Ps as ColorManagement,Hi as Compatibility,oh as CompressedArrayTexture,hh as CompressedCubeTexture,ah as CompressedTexture,Oc as CompressedTextureLoader,xh as ConeGeometry,L as ConstantAlphaFactor,E as ConstantColorFactor,rp as Controls,zu as CubeCamera,dh as CubeDepthTexture,lt as CubeReflectionMapping,ct as CubeRefractionMapping,lh as CubeTexture,Nc as CubeTextureLoader,pt as CubeUVReflectionMapping,Fh as CubicBezierCurve,Lh as CubicBezierCurve3,cc as CubicInterpolant,r as CullFaceBack,n as CullFaceFront,a as CullFaceFrontBack,s as CullFaceNone,Th as Curve,Xh as CurvePath,b as CustomBlending,st as CustomToneMapping,fh as CylinderGeometry,md as Cylindrical,Zs as Data3DTexture,Ys as DataArrayTexture,Xa as DataTexture,Vc as DataTextureLoader,fn as DataUtils,di as DecrementStencilOp,mi as DecrementWrapStencilOp,Tc as DefaultLoadingManager,Ut as DepthFormat,Jt as DepthStencilFormat,uh as DepthTexture,ot as DetachedBindMode,ru as DirectionalLight,Ud as DirectionalLightHelper,dc as DiscreteInterpolant,vh as DodecahedronGeometry,p as DoubleSide,O as DstAlphaFactor,R as DstColorFactor,Li as DynamicCopyUsage,Pi as DynamicDrawUsage,Vi as DynamicReadUsage,Ah as EdgesGeometry,zh as EllipseCurve,Ti as EqualCompare,q as EqualDepth,xi as EqualStencilFunc,ut as EquirectangularReflectionMapping,dt as EquirectangularRefractionMapping,or as Euler,us as EventDispatcher,ph as ExternalTexture,Al as ExtrudeGeometry,kc as FileLoader,In as Float16BufferAttribute,kn as Float32BufferAttribute,Pt as FloatType,Nr as Fog,Rr as FogExp2,nh as FramebufferTexture,u as FrontSide,po as Frustum,go as FrustumArray,ad as GLBufferAttribute,Di as GLSL1,Wi as GLSL3,Ci as GreaterCompare,Y as GreaterDepth,ki as GreaterEqualCompare,X as GreaterEqualDepth,Mi as GreaterEqualStencilFunc,vi as GreaterStencilFunc,Fd as GridHelper,Ar as Group,Rt as HalfFloatType,Lc as HemisphereLight,Ed as HemisphereLightHelper,zl as IcosahedronGeometry,xu as ImageBitmapLoader,Rc as ImageLoader,Es as ImageUtils,ui as IncrementStencilOp,pi as IncrementWrapStencilOp,Ga as InstancedBufferAttribute,uu as InstancedBufferGeometry,nd as InstancedInterleavedBuffer,ro as InstancedMesh,An as Int16BufferAttribute,zn as Int32BufferAttribute,Mn as Int8BufferAttribute,Bt as IntType,Un as InterleavedBuffer,qn as InterleavedBufferAttribute,lc as Interpolant,Le as InterpolateBezier,Ve as InterpolateDiscrete,Ee as InterpolateLinear,Fe as InterpolateSmooth,Yi as InterpolationSamplingMode,Xi as InterpolationSamplingType,yi as InvertStencilOp,li as KeepStencilOp,mc as KeyframeTrack,da as LOD,Cl as LatheGeometry,hr as Layers,Ai as LessCompare,U as LessDepth,zi as LessEqualCompare,J as LessEqualDepth,bi as LessEqualStencilFunc,fi as LessStencilFunc,Fc as Light,hu as LightProbe,Jo as Line,Ad as Line3,Vo as LineBasicMaterial,jh as LineCurve,Dh as LineCurve3,sc as LineDashedMaterial,Zo as LineLoop,Ho as LineSegments,Mt as LinearFilter,uc as LinearInterpolant,Tt as LinearMipMapLinearFilter,_t as LinearMipMapNearestFilter,At as LinearMipmapLinearFilter,St as LinearMipmapNearestFilter,ii as LinearSRGBColorSpace,K as LinearToneMapping,si as LinearTransfer,zc as Loader,cu as LoaderUtils,Ac as LoadingManager,Pe as LoopOnce,Ne as LoopPingPong,Re as LoopRepeat,e as MOUSE,Hn as Material,v as MaterialBlending,lu as MaterialLoader,Ms as MathUtils,yd as Matrix2,Cs as Matrix3,$s as Matrix4,A as MaxEquation,Pa as Mesh,wa as MeshBasicMaterial,tc as MeshDepthMaterial,ec as MeshDistanceMaterial,Kl as MeshLambertMaterial,ic as MeshMatcapMaterial,Ql as MeshNormalMaterial,Gl as MeshPhongMaterial,Zl as MeshPhysicalMaterial,Hl as MeshStandardMaterial,$l as MeshToonMaterial,_ as MinEquation,gt as MirroredRepeatWrapping,G as MixOperation,x as MultiplyBlending,Z as MultiplyOperation,ft as NearestFilter,wt as NearestMipMapLinearFilter,bt as NearestMipMapNearestFilter,vt as NearestMipmapLinearFilter,xt as NearestMipmapNearestFilter,nt as NeutralToneMapping,_i as NeverCompare,D as NeverDepth,gi as NeverStencilFunc,m as NoBlending,ti as NoColorSpace,ni as NoNormalPacking,Q as NoToneMapping,Ue as NormalAnimationBlendMode,y as NormalBlending,oi as NormalGAPacking,ai as NormalRGPacking,Ii as NotEqualCompare,H as NotEqualDepth,wi as NotEqualStencilFunc,fc as NumberKeyframeTrack,_r as Object3D,pu as ObjectLoader,Ke as ObjectSpaceNormalMap,Il as OctahedronGeometry,z as OneFactor,j as OneMinusConstantAlphaFactor,F as OneMinusConstantColorFactor,P as OneMinusDstAlphaFactor,N as OneMinusDstColorFactor,B as OneMinusSrcAlphaFactor,I as OneMinusSrcColorFactor,iu as OrthographicCamera,h as PCFShadowMap,l as PCFSoftShadowMap,Yh as Path,$c as PerspectiveCamera,ho as Plane,kl as PlaneGeometry,$d as PlaneHelper,eu as PointLight,Pd as PointLightHelper,eh as Points,Go as PointsMaterial,Ld as PolarGridHelper,bh as PolyhedronGeometry,Du as PositionalAudio,Gu as PropertyBinding,Uu as PropertyMixer,Wh as QuadraticBezierCurve,Uh as QuadraticBezierCurve3,_s as Quaternion,bc as QuaternionKeyframeTrack,xc as QuaternionLinearInterpolant,he as R11_EAC_Format,ys as RAD2DEG,Be as RED_GREEN_RGTC2_Format,Ie as RED_RGTC1_Format,t as REVISION,ce as RG11_EAC_Format,Ze as RGBADepthPacking,Wt as RGBAFormat,Gt as RGBAIntegerFormat,Se as RGBA_ASTC_10x10_Format,ve as RGBA_ASTC_10x5_Format,we as RGBA_ASTC_10x6_Format,Me as RGBA_ASTC_10x8_Format,_e as RGBA_ASTC_12x10_Format,Ae as RGBA_ASTC_12x12_Format,de as RGBA_ASTC_4x4_Format,pe as RGBA_ASTC_5x4_Format,me as RGBA_ASTC_5x5_Format,ye as RGBA_ASTC_6x5_Format,ge as RGBA_ASTC_6x6_Format,fe as RGBA_ASTC_8x5_Format,xe as RGBA_ASTC_8x6_Format,be as RGBA_ASTC_8x8_Format,Te as RGBA_BPTC_Format,oe as RGBA_ETC2_EAC_Format,re as RGBA_PVRTC_2BPPV1_Format,se as RGBA_PVRTC_4BPPV1_Format,Qt as RGBA_S3TC_DXT1_Format,Kt as RGBA_S3TC_DXT3_Format,te as RGBA_S3TC_DXT5_Format,Ge as RGBDepthPacking,Dt as RGBFormat,Zt as RGBIntegerFormat,ze as RGB_BPTC_SIGNED_Format,Ce as RGB_BPTC_UNSIGNED_Format,ne as RGB_ETC1_Format,ae as RGB_ETC2_Format,ie as RGB_PVRTC_2BPPV1_Format,ee as RGB_PVRTC_4BPPV1_Format,$t as RGB_S3TC_DXT1_Format,$e as RGDepthPacking,Yt as RGFormat,Ht as RGIntegerFormat,Yl as RawShaderMaterial,va as Ray,hd as Raycaster,au as RectAreaLight,qt as RedFormat,Xt as RedIntegerFormat,tt as ReinhardToneMapping,qs as RenderTarget,ed as RenderTarget3D,mt as RepeatWrapping,ci as ReplaceStencilOp,S as ReverseSubtractEquation,cs as ReversedDepthFuncs,Bl as RingGeometry,le as SIGNED_R11_EAC_Format,Oe as SIGNED_RED_GREEN_RGTC2_Format,ke as SIGNED_RED_RGTC1_Format,ue as SIGNED_RG11_EAC_Format,ei as SRGBColorSpace,ri as SRGBTransfer,Vr as Scene,Xl as ShaderMaterial,Dl as ShadowMaterial,Hh as Shape,Ol as ShapeGeometry,sp as ShapePath,Ml as ShapeUtils,It as ShortType,Za as Skeleton,Bd as SkeletonHelper,Ja as SkinnedMesh,Ls as Source,Rn as Sphere,Pl as SphereGeometry,pd as Spherical,ou as SphericalHarmonics3,Jh as SplineCurve,Kc as SpotLight,zd as SpotLightHelper,ha as Sprite,Zn as SpriteMaterial,k as SrcAlphaFactor,V as SrcAlphaSaturateFactor,C as SrcColorFactor,Fi as StaticCopyUsage,Oi as StaticDrawUsage,Ni as StaticReadUsage,Au as StereoCamera,ji as StreamCopyUsage,Ri as StreamDrawUsage,Ei as StreamReadUsage,vc as StringKeyframeTrack,M as SubtractEquation,f as SubtractiveBlending,i as TOUCH,Qe as TangentSpaceNormalMap,Rl as TetrahedronGeometry,Us as Texture,Ec as TextureLoader,ap as TextureUtils,ud as Timer,qi as TimestampQuery,Nl as TorusGeometry,Vl as TorusKnotGeometry,Gr as Triangle,Ye as TriangleFanDrawMode,Xe as TriangleStripDrawMode,qe as TrianglesDrawMode,El as TubeGeometry,ht as UVMapping,Tn as Uint16BufferAttribute,Cn as Uint32BufferAttribute,Sn as Uint8BufferAttribute,_n as Uint8ClampedBufferAttribute,id as Uniform,rd as UniformsGroup,ql as UniformsUtils,zt as UnsignedByteType,Lt as UnsignedInt101111Type,Et as UnsignedInt248Type,Ft as UnsignedInt5999Type,Ot as UnsignedIntType,Nt as UnsignedShort4444Type,Vt as UnsignedShort5551Type,kt as UnsignedShortType,c as VSMShadowMap,Ss as Vector2,As as Vector3,Js as Vector4,wc as VectorKeyframeTrack,rh as VideoFrameTexture,sh as VideoTexture,Gs as WebGL3DRenderTarget,Hs as WebGLArrayRenderTarget,Ui as WebGLCoordinateSystem,Xs as WebGLRenderTarget,Ji as WebGPUCoordinateSystem,zr as WebXRController,Fl as WireframeGeometry,We as WrapAroundEnding,je as ZeroCurvatureEnding,T as ZeroFactor,De as ZeroSlopeEnding,hi as ZeroStencilOp,Wl as cloneUniforms,Ki as createCanvasElement,Qi as createElementNS,os as error,np as getByteLength,ss as getConsoleFunction,Jl as getUnlitUniformColorSpace,$i as isTypedArray,rs as log,Ul as mergeUniforms,ls as probeAsync,is as setConsoleFunction,as as warn,hs as warnOnce};
diff --git a/build/three.module.js b/build/three.module.js
index 1b03e4b6e549fa..b98ccdeec127f0 100644
--- a/build/three.module.js
+++ b/build/three.module.js
@@ -3,7 +3,7 @@
  * Copyright 2010-2026 Three.js Authors
  * SPDX-License-Identifier: MIT
  */
-import { Matrix3, Vector2, Color, mergeUniforms, Vector3, CubeUVReflectionMapping, Mesh, BoxGeometry, ShaderMaterial, BackSide, cloneUniforms, Euler, Matrix4, ColorManagement, SRGBTransfer, PlaneGeometry, FrontSide, getUnlitUniformColorSpace, IntType, warn, HalfFloatType, UnsignedByteType, FloatType, RGBAFormat, Plane, CubeReflectionMapping, CubeRefractionMapping, BufferGeometry, OrthographicCamera, PerspectiveCamera, NoToneMapping, MeshBasicMaterial, error, NoBlending, WebGLRenderTarget, BufferAttribute, LinearSRGBColorSpace, LinearFilter, CubeTexture, LinearMipmapLinearFilter, CubeCamera, EquirectangularReflectionMapping, EquirectangularRefractionMapping, warnOnce, Uint32BufferAttribute, Uint16BufferAttribute, Vector4, DataArrayTexture, Float32BufferAttribute, RawShaderMaterial, CustomToneMapping, NeutralToneMapping, AgXToneMapping, ACESFilmicToneMapping, CineonToneMapping, ReinhardToneMapping, LinearToneMapping, Data3DTexture, GreaterEqualCompare, LessEqualCompare, DepthTexture, Texture, GLSL3, VSMShadowMap, PCFShadowMap, AddOperation, MixOperation, MultiplyOperation, LinearTransfer, UniformsUtils, DoubleSide, NormalBlending, TangentSpaceNormalMap, ObjectSpaceNormalMap, Layers, RGFormat, Frustum, MeshDepthMaterial, MeshDistanceMaterial, PCFSoftShadowMap, DepthFormat, NearestFilter, CubeDepthTexture, UnsignedIntType, LessEqualDepth, ReverseSubtractEquation, SubtractEquation, AddEquation, OneMinusConstantAlphaFactor, ConstantAlphaFactor, OneMinusConstantColorFactor, ConstantColorFactor, OneMinusDstAlphaFactor, OneMinusDstColorFactor, OneMinusSrcAlphaFactor, OneMinusSrcColorFactor, DstAlphaFactor, DstColorFactor, SrcAlphaSaturateFactor, SrcAlphaFactor, SrcColorFactor, OneFactor, ZeroFactor, NotEqualDepth, GreaterDepth, GreaterEqualDepth, EqualDepth, LessDepth, AlwaysDepth, NeverDepth, CullFaceNone, CullFaceBack, CullFaceFront, CustomBlending, MultiplyBlending, SubtractiveBlending, AdditiveBlending, MinEquation, MaxEquation, MirroredRepeatWrapping, ClampToEdgeWrapping, RepeatWrapping, LinearMipmapNearestFilter, NearestMipmapLinearFilter, NearestMipmapNearestFilter, NotEqualCompare, GreaterCompare, EqualCompare, LessCompare, AlwaysCompare, NeverCompare, NoColorSpace, DepthStencilFormat, getByteLength, UnsignedInt248Type, UnsignedShortType, createElementNS, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedInt5999Type, UnsignedInt101111Type, ByteType, ShortType, AlphaFormat, RGBFormat, RedFormat, RedIntegerFormat, RGIntegerFormat, RGBAIntegerFormat, RGB_S3TC_DXT1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGB_PVRTC_4BPPV1_Format, RGB_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_PVRTC_2BPPV1_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGBA_ETC2_EAC_Format, R11_EAC_Format, SIGNED_R11_EAC_Format, RG11_EAC_Format, SIGNED_RG11_EAC_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_10x10_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_BPTC_Format, RGB_BPTC_SIGNED_Format, RGB_BPTC_UNSIGNED_Format, RED_RGTC1_Format, SIGNED_RED_RGTC1_Format, RED_GREEN_RGTC2_Format, SIGNED_RED_GREEN_RGTC2_Format, ExternalTexture, EventDispatcher, ArrayCamera, WebXRController, RAD2DEG, DataTexture, createCanvasElement, SRGBColorSpace, REVISION, log, WebGLCoordinateSystem, probeAsync } from './three.core.js';
+import { Matrix3, Vector2, Color, mergeUniforms, Vector3, CubeUVReflectionMapping, Mesh, BoxGeometry, ShaderMaterial, BackSide, cloneUniforms, Euler, Matrix4, ColorManagement, SRGBTransfer, PlaneGeometry, FrontSide, getUnlitUniformColorSpace, IntType, warn, HalfFloatType, UnsignedByteType, FloatType, RGBAFormat, Plane, CubeReflectionMapping, CubeRefractionMapping, BufferGeometry, OrthographicCamera, PerspectiveCamera, NoToneMapping, MeshBasicMaterial, error, NoBlending, WebGLRenderTarget, BufferAttribute, LinearSRGBColorSpace, LinearFilter, CubeTexture, LinearMipmapLinearFilter, CubeCamera, EquirectangularReflectionMapping, EquirectangularRefractionMapping, warnOnce, Uint32BufferAttribute, Uint16BufferAttribute, Vector4, DataArrayTexture, Float32BufferAttribute, RawShaderMaterial, CustomToneMapping, NeutralToneMapping, AgXToneMapping, ACESFilmicToneMapping, CineonToneMapping, ReinhardToneMapping, LinearToneMapping, Data3DTexture, GreaterEqualCompare, LessEqualCompare, DepthTexture, Texture, GLSL3, VSMShadowMap, PCFShadowMap, AddOperation, MixOperation, MultiplyOperation, LinearTransfer, UniformsUtils, DoubleSide, NormalBlending, TangentSpaceNormalMap, ObjectSpaceNormalMap, Layers, RGFormat, Frustum, MeshDepthMaterial, MeshDistanceMaterial, PCFSoftShadowMap, DepthFormat, NearestFilter, CubeDepthTexture, UnsignedIntType, LessEqualDepth, ReverseSubtractEquation, SubtractEquation, AddEquation, OneMinusConstantAlphaFactor, ConstantAlphaFactor, OneMinusConstantColorFactor, ConstantColorFactor, OneMinusDstAlphaFactor, OneMinusDstColorFactor, OneMinusSrcAlphaFactor, OneMinusSrcColorFactor, DstAlphaFactor, DstColorFactor, SrcAlphaSaturateFactor, SrcAlphaFactor, SrcColorFactor, OneFactor, ZeroFactor, NotEqualDepth, GreaterDepth, GreaterEqualDepth, EqualDepth, LessDepth, AlwaysDepth, NeverDepth, CullFaceNone, CullFaceBack, CullFaceFront, CustomBlending, MultiplyBlending, SubtractiveBlending, AdditiveBlending, ReversedDepthFuncs, MinEquation, MaxEquation, MirroredRepeatWrapping, ClampToEdgeWrapping, RepeatWrapping, LinearMipmapNearestFilter, NearestMipmapLinearFilter, NearestMipmapNearestFilter, NotEqualCompare, GreaterCompare, EqualCompare, LessCompare, AlwaysCompare, NeverCompare, NoColorSpace, DepthStencilFormat, getByteLength, UnsignedInt248Type, UnsignedShortType, createElementNS, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedInt5999Type, UnsignedInt101111Type, ByteType, ShortType, AlphaFormat, RGBFormat, RedFormat, RedIntegerFormat, RGIntegerFormat, RGBAIntegerFormat, RGB_S3TC_DXT1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGB_PVRTC_4BPPV1_Format, RGB_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_PVRTC_2BPPV1_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGBA_ETC2_EAC_Format, R11_EAC_Format, SIGNED_R11_EAC_Format, RG11_EAC_Format, SIGNED_RG11_EAC_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_10x10_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_BPTC_Format, RGB_BPTC_SIGNED_Format, RGB_BPTC_UNSIGNED_Format, RED_RGTC1_Format, SIGNED_RED_RGTC1_Format, RED_GREEN_RGTC2_Format, SIGNED_RED_GREEN_RGTC2_Format, ExternalTexture, EventDispatcher, ArrayCamera, WebXRController, RAD2DEG, DataTexture, createCanvasElement, SRGBColorSpace, REVISION, log, WebGLCoordinateSystem, probeAsync } from './three.core.js';
 export { AdditiveAnimationBlendMode, AlwaysStencilFunc, AmbientLight, AnimationAction, AnimationClip, AnimationLoader, AnimationMixer, AnimationObjectGroup, AnimationUtils, ArcCurve, ArrowHelper, AttachedBindMode, Audio, AudioAnalyser, AudioContext, AudioListener, AudioLoader, AxesHelper, BasicDepthPacking, BasicShadowMap, BatchedMesh, BezierInterpolant, Bone, BooleanKeyframeTrack, Box2, Box3, Box3Helper, BoxHelper, BufferGeometryLoader, Cache, Camera, CameraHelper, CanvasTexture, CapsuleGeometry, CatmullRomCurve3, CircleGeometry, Clock, ColorKeyframeTrack, Compatibility, CompressedArrayTexture, CompressedCubeTexture, CompressedTexture, CompressedTextureLoader, ConeGeometry, Controls, CubeTextureLoader, CubicBezierCurve, CubicBezierCurve3, CubicInterpolant, CullFaceFrontBack, Curve, CurvePath, CylinderGeometry, Cylindrical, DataTextureLoader, DataUtils, DecrementStencilOp, DecrementWrapStencilOp, DefaultLoadingManager, DetachedBindMode, DirectionalLight, DirectionalLightHelper, DiscreteInterpolant, DodecahedronGeometry, DynamicCopyUsage, DynamicDrawUsage, DynamicReadUsage, EdgesGeometry, EllipseCurve, EqualStencilFunc, ExtrudeGeometry, FileLoader, Float16BufferAttribute, Fog, FogExp2, FramebufferTexture, FrustumArray, GLBufferAttribute, GLSL1, GreaterEqualStencilFunc, GreaterStencilFunc, GridHelper, Group, HemisphereLight, HemisphereLightHelper, IcosahedronGeometry, ImageBitmapLoader, ImageLoader, ImageUtils, IncrementStencilOp, IncrementWrapStencilOp, InstancedBufferAttribute, InstancedBufferGeometry, InstancedInterleavedBuffer, InstancedMesh, Int16BufferAttribute, Int32BufferAttribute, Int8BufferAttribute, InterleavedBuffer, InterleavedBufferAttribute, Interpolant, InterpolateBezier, InterpolateDiscrete, InterpolateLinear, InterpolateSmooth, InterpolationSamplingMode, InterpolationSamplingType, InvertStencilOp, KeepStencilOp, KeyframeTrack, LOD, LatheGeometry, LessEqualStencilFunc, LessStencilFunc, Light, LightProbe, Line, Line3, LineBasicMaterial, LineCurve, LineCurve3, LineDashedMaterial, LineLoop, LineSegments, LinearInterpolant, LinearMipMapLinearFilter, LinearMipMapNearestFilter, Loader, LoaderUtils, LoadingManager, LoopOnce, LoopPingPong, LoopRepeat, MOUSE, Material, MaterialBlending, MaterialLoader, MathUtils, Matrix2, MeshLambertMaterial, MeshMatcapMaterial, MeshNormalMaterial, MeshPhongMaterial, MeshPhysicalMaterial, MeshStandardMaterial, MeshToonMaterial, NearestMipMapLinearFilter, NearestMipMapNearestFilter, NeverStencilFunc, NoNormalPacking, NormalAnimationBlendMode, NormalGAPacking, NormalRGPacking, NotEqualStencilFunc, NumberKeyframeTrack, Object3D, ObjectLoader, OctahedronGeometry, Path, PlaneHelper, PointLight, PointLightHelper, Points, PointsMaterial, PolarGridHelper, PolyhedronGeometry, PositionalAudio, PropertyBinding, PropertyMixer, QuadraticBezierCurve, QuadraticBezierCurve3, Quaternion, QuaternionKeyframeTrack, QuaternionLinearInterpolant, RGBADepthPacking, RGBDepthPacking, RGBIntegerFormat, RGDepthPacking, Ray, Raycaster, RectAreaLight, RenderTarget, RenderTarget3D, ReplaceStencilOp, RingGeometry, Scene, ShadowMaterial, Shape, ShapeGeometry, ShapePath, ShapeUtils, Skeleton, SkeletonHelper, SkinnedMesh, Source, Sphere, SphereGeometry, Spherical, SphericalHarmonics3, SplineCurve, SpotLight, SpotLightHelper, Sprite, SpriteMaterial, StaticCopyUsage, StaticDrawUsage, StaticReadUsage, StereoCamera, StreamCopyUsage, StreamDrawUsage, StreamReadUsage, StringKeyframeTrack, TOUCH, TetrahedronGeometry, TextureLoader, TextureUtils, Timer, TimestampQuery, TorusGeometry, TorusKnotGeometry, Triangle, TriangleFanDrawMode, TriangleStripDrawMode, TrianglesDrawMode, TubeGeometry, UVMapping, Uint8BufferAttribute, Uint8ClampedBufferAttribute, Uniform, UniformsGroup, VectorKeyframeTrack, VideoFrameTexture, VideoTexture, WebGL3DRenderTarget, WebGLArrayRenderTarget, WebGPUCoordinateSystem, WireframeGeometry, WrapAroundEnding, ZeroCurvatureEnding, ZeroSlopeEnding, ZeroStencilOp, getConsoleFunction, setConsoleFunction } from './three.core.js';
 
 function WebGLAnimation() {
@@ -9650,18 +9650,6 @@ function WebGLShadowMap( renderer, objects, capabilities ) {
 
 }
 
-const reversedFuncs = {
-	[ NeverDepth ]: AlwaysDepth,
-	[ LessDepth ]: GreaterDepth,
-	[ EqualDepth ]: NotEqualDepth,
-	[ LessEqualDepth ]: GreaterEqualDepth,
-
-	[ AlwaysDepth ]: NeverDepth,
-	[ GreaterDepth ]: LessDepth,
-	[ NotEqualDepth ]: EqualDepth,
-	[ GreaterEqualDepth ]: LessEqualDepth,
-};
-
 function WebGLState( gl, extensions ) {
 
 	function ColorBuffer() {
@@ -9793,7 +9781,7 @@ function WebGLState( gl, extensions ) {
 
 			setFunc: function ( depthFunc ) {
 
-				if ( currentReversed ) depthFunc = reversedFuncs[ depthFunc ];
+				if ( currentReversed ) depthFunc = ReversedDepthFuncs[ depthFunc ];
 
 				if ( currentDepthFunc !== depthFunc ) {
 
diff --git a/build/three.module.min.js b/build/three.module.min.js
index e0dde28c91dd2c..eabbecb2aa0339 100644
--- a/build/three.module.min.js
+++ b/build/three.module.min.js
@@ -3,4 +3,4 @@
  * Copyright 2010-2026 Three.js Authors
  * SPDX-License-Identifier: MIT
  */
-import{Matrix3 as e,Vector2 as t,Color as n,mergeUniforms as i,Vector3 as r,CubeUVReflectionMapping as a,Mesh as o,BoxGeometry as s,ShaderMaterial as l,BackSide as c,cloneUniforms as d,Euler as u,Matrix4 as f,ColorManagement as p,SRGBTransfer as m,PlaneGeometry as h,FrontSide as _,getUnlitUniformColorSpace as g,IntType as v,warn as E,HalfFloatType as S,UnsignedByteType as M,FloatType as T,RGBAFormat as x,Plane as A,CubeReflectionMapping as R,CubeRefractionMapping as b,BufferGeometry as C,OrthographicCamera as P,PerspectiveCamera as L,NoToneMapping as U,MeshBasicMaterial as D,error as w,NoBlending as I,WebGLRenderTarget as N,BufferAttribute as y,LinearSRGBColorSpace as F,LinearFilter as O,CubeTexture as B,LinearMipmapLinearFilter as G,CubeCamera as H,EquirectangularReflectionMapping as V,EquirectangularRefractionMapping as W,warnOnce as z,Uint32BufferAttribute as k,Uint16BufferAttribute as X,Vector4 as Y,DataArrayTexture as K,Float32BufferAttribute as q,RawShaderMaterial as j,CustomToneMapping as Z,NeutralToneMapping as $,AgXToneMapping as Q,ACESFilmicToneMapping as J,CineonToneMapping as ee,ReinhardToneMapping as te,LinearToneMapping as ne,Data3DTexture as ie,GreaterEqualCompare as re,LessEqualCompare as ae,DepthTexture as oe,Texture as se,GLSL3 as le,VSMShadowMap as ce,PCFShadowMap as de,AddOperation as ue,MixOperation as fe,MultiplyOperation as pe,LinearTransfer as me,UniformsUtils as he,DoubleSide as _e,NormalBlending as ge,TangentSpaceNormalMap as ve,ObjectSpaceNormalMap as Ee,Layers as Se,RGFormat as Me,Frustum as Te,MeshDepthMaterial as xe,MeshDistanceMaterial as Ae,PCFSoftShadowMap as Re,DepthFormat as be,NearestFilter as Ce,CubeDepthTexture as Pe,UnsignedIntType as Le,LessEqualDepth as Ue,ReverseSubtractEquation as De,SubtractEquation as we,AddEquation as Ie,OneMinusConstantAlphaFactor as Ne,ConstantAlphaFactor as ye,OneMinusConstantColorFactor as Fe,ConstantColorFactor as Oe,OneMinusDstAlphaFactor as Be,OneMinusDstColorFactor as Ge,OneMinusSrcAlphaFactor as He,OneMinusSrcColorFactor as Ve,DstAlphaFactor as We,DstColorFactor as ze,SrcAlphaSaturateFactor as ke,SrcAlphaFactor as Xe,SrcColorFactor as Ye,OneFactor as Ke,ZeroFactor as qe,NotEqualDepth as je,GreaterDepth as Ze,GreaterEqualDepth as $e,EqualDepth as Qe,LessDepth as Je,AlwaysDepth as et,NeverDepth as tt,CullFaceNone as nt,CullFaceBack as it,CullFaceFront as rt,CustomBlending as at,MultiplyBlending as ot,SubtractiveBlending as st,AdditiveBlending as lt,MinEquation as ct,MaxEquation as dt,MirroredRepeatWrapping as ut,ClampToEdgeWrapping as ft,RepeatWrapping as pt,LinearMipmapNearestFilter as mt,NearestMipmapLinearFilter as ht,NearestMipmapNearestFilter as _t,NotEqualCompare as gt,GreaterCompare as vt,EqualCompare as Et,LessCompare as St,AlwaysCompare as Mt,NeverCompare as Tt,NoColorSpace as xt,DepthStencilFormat as At,getByteLength as Rt,UnsignedInt248Type as bt,UnsignedShortType as Ct,createElementNS as Pt,UnsignedShort4444Type as Lt,UnsignedShort5551Type as Ut,UnsignedInt5999Type as Dt,UnsignedInt101111Type as wt,ByteType as It,ShortType as Nt,AlphaFormat as yt,RGBFormat as Ft,RedFormat as Ot,RedIntegerFormat as Bt,RGIntegerFormat as Gt,RGBAIntegerFormat as Ht,RGB_S3TC_DXT1_Format as Vt,RGBA_S3TC_DXT1_Format as Wt,RGBA_S3TC_DXT3_Format as zt,RGBA_S3TC_DXT5_Format as kt,RGB_PVRTC_4BPPV1_Format as Xt,RGB_PVRTC_2BPPV1_Format as Yt,RGBA_PVRTC_4BPPV1_Format as Kt,RGBA_PVRTC_2BPPV1_Format as qt,RGB_ETC1_Format as jt,RGB_ETC2_Format as Zt,RGBA_ETC2_EAC_Format as $t,R11_EAC_Format as Qt,SIGNED_R11_EAC_Format as Jt,RG11_EAC_Format as en,SIGNED_RG11_EAC_Format as tn,RGBA_ASTC_4x4_Format as nn,RGBA_ASTC_5x4_Format as rn,RGBA_ASTC_5x5_Format as an,RGBA_ASTC_6x5_Format as on,RGBA_ASTC_6x6_Format as sn,RGBA_ASTC_8x5_Format as ln,RGBA_ASTC_8x6_Format as cn,RGBA_ASTC_8x8_Format as dn,RGBA_ASTC_10x5_Format as un,RGBA_ASTC_10x6_Format as fn,RGBA_ASTC_10x8_Format as pn,RGBA_ASTC_10x10_Format as mn,RGBA_ASTC_12x10_Format as hn,RGBA_ASTC_12x12_Format as _n,RGBA_BPTC_Format as gn,RGB_BPTC_SIGNED_Format as vn,RGB_BPTC_UNSIGNED_Format as En,RED_RGTC1_Format as Sn,SIGNED_RED_RGTC1_Format as Mn,RED_GREEN_RGTC2_Format as Tn,SIGNED_RED_GREEN_RGTC2_Format as xn,ExternalTexture as An,EventDispatcher as Rn,ArrayCamera as bn,WebXRController as Cn,RAD2DEG as Pn,DataTexture as Ln,createCanvasElement as Un,SRGBColorSpace as Dn,REVISION as wn,log as In,WebGLCoordinateSystem as Nn,probeAsync as yn}from"./three.core.min.js";export{AdditiveAnimationBlendMode,AlwaysStencilFunc,AmbientLight,AnimationAction,AnimationClip,AnimationLoader,AnimationMixer,AnimationObjectGroup,AnimationUtils,ArcCurve,ArrowHelper,AttachedBindMode,Audio,AudioAnalyser,AudioContext,AudioListener,AudioLoader,AxesHelper,BasicDepthPacking,BasicShadowMap,BatchedMesh,BezierInterpolant,Bone,BooleanKeyframeTrack,Box2,Box3,Box3Helper,BoxHelper,BufferGeometryLoader,Cache,Camera,CameraHelper,CanvasTexture,CapsuleGeometry,CatmullRomCurve3,CircleGeometry,Clock,ColorKeyframeTrack,Compatibility,CompressedArrayTexture,CompressedCubeTexture,CompressedTexture,CompressedTextureLoader,ConeGeometry,Controls,CubeTextureLoader,CubicBezierCurve,CubicBezierCurve3,CubicInterpolant,CullFaceFrontBack,Curve,CurvePath,CylinderGeometry,Cylindrical,DataTextureLoader,DataUtils,DecrementStencilOp,DecrementWrapStencilOp,DefaultLoadingManager,DetachedBindMode,DirectionalLight,DirectionalLightHelper,DiscreteInterpolant,DodecahedronGeometry,DynamicCopyUsage,DynamicDrawUsage,DynamicReadUsage,EdgesGeometry,EllipseCurve,EqualStencilFunc,ExtrudeGeometry,FileLoader,Float16BufferAttribute,Fog,FogExp2,FramebufferTexture,FrustumArray,GLBufferAttribute,GLSL1,GreaterEqualStencilFunc,GreaterStencilFunc,GridHelper,Group,HemisphereLight,HemisphereLightHelper,IcosahedronGeometry,ImageBitmapLoader,ImageLoader,ImageUtils,IncrementStencilOp,IncrementWrapStencilOp,InstancedBufferAttribute,InstancedBufferGeometry,InstancedInterleavedBuffer,InstancedMesh,Int16BufferAttribute,Int32BufferAttribute,Int8BufferAttribute,InterleavedBuffer,InterleavedBufferAttribute,Interpolant,InterpolateBezier,InterpolateDiscrete,InterpolateLinear,InterpolateSmooth,InterpolationSamplingMode,InterpolationSamplingType,InvertStencilOp,KeepStencilOp,KeyframeTrack,LOD,LatheGeometry,LessEqualStencilFunc,LessStencilFunc,Light,LightProbe,Line,Line3,LineBasicMaterial,LineCurve,LineCurve3,LineDashedMaterial,LineLoop,LineSegments,LinearInterpolant,LinearMipMapLinearFilter,LinearMipMapNearestFilter,Loader,LoaderUtils,LoadingManager,LoopOnce,LoopPingPong,LoopRepeat,MOUSE,Material,MaterialBlending,MaterialLoader,MathUtils,Matrix2,MeshLambertMaterial,MeshMatcapMaterial,MeshNormalMaterial,MeshPhongMaterial,MeshPhysicalMaterial,MeshStandardMaterial,MeshToonMaterial,NearestMipMapLinearFilter,NearestMipMapNearestFilter,NeverStencilFunc,NoNormalPacking,NormalAnimationBlendMode,NormalGAPacking,NormalRGPacking,NotEqualStencilFunc,NumberKeyframeTrack,Object3D,ObjectLoader,OctahedronGeometry,Path,PlaneHelper,PointLight,PointLightHelper,Points,PointsMaterial,PolarGridHelper,PolyhedronGeometry,PositionalAudio,PropertyBinding,PropertyMixer,QuadraticBezierCurve,QuadraticBezierCurve3,Quaternion,QuaternionKeyframeTrack,QuaternionLinearInterpolant,RGBADepthPacking,RGBDepthPacking,RGBIntegerFormat,RGDepthPacking,Ray,Raycaster,RectAreaLight,RenderTarget,RenderTarget3D,ReplaceStencilOp,RingGeometry,Scene,ShadowMaterial,Shape,ShapeGeometry,ShapePath,ShapeUtils,Skeleton,SkeletonHelper,SkinnedMesh,Source,Sphere,SphereGeometry,Spherical,SphericalHarmonics3,SplineCurve,SpotLight,SpotLightHelper,Sprite,SpriteMaterial,StaticCopyUsage,StaticDrawUsage,StaticReadUsage,StereoCamera,StreamCopyUsage,StreamDrawUsage,StreamReadUsage,StringKeyframeTrack,TOUCH,TetrahedronGeometry,TextureLoader,TextureUtils,Timer,TimestampQuery,TorusGeometry,TorusKnotGeometry,Triangle,TriangleFanDrawMode,TriangleStripDrawMode,TrianglesDrawMode,TubeGeometry,UVMapping,Uint8BufferAttribute,Uint8ClampedBufferAttribute,Uniform,UniformsGroup,VectorKeyframeTrack,VideoFrameTexture,VideoTexture,WebGL3DRenderTarget,WebGLArrayRenderTarget,WebGPUCoordinateSystem,WireframeGeometry,WrapAroundEnding,ZeroCurvatureEnding,ZeroSlopeEnding,ZeroStencilOp,getConsoleFunction,setConsoleFunction}from"./three.core.min.js";function Fn(){let e=null,t=!1,n=null,i=null;function r(t,a){n(t,a),i=e.requestAnimationFrame(r)}return{start:function(){!0!==t&&null!==n&&(i=e.requestAnimationFrame(r),t=!0)},stop:function(){e.cancelAnimationFrame(i),t=!1},setAnimationLoop:function(e){n=e},setContext:function(t){e=t}}}function On(e){const t=new WeakMap;return{get:function(e){return e.isInterleavedBufferAttribute&&(e=e.data),t.get(e)},remove:function(n){n.isInterleavedBufferAttribute&&(n=n.data);const i=t.get(n);i&&(e.deleteBuffer(i.buffer),t.delete(n))},update:function(n,i){if(n.isInterleavedBufferAttribute&&(n=n.data),n.isGLBufferAttribute){const e=t.get(n);return void((!e||e.version<n.version)&&t.set(n,{buffer:n.buffer,type:n.type,bytesPerElement:n.elementSize,version:n.version}))}const r=t.get(n);if(void 0===r)t.set(n,function(t,n){const i=t.array,r=t.usage,a=i.byteLength,o=e.createBuffer();let s;if(e.bindBuffer(n,o),e.bufferData(n,i,r),t.onUploadCallback(),i instanceof Float32Array)s=e.FLOAT;else if("undefined"!=typeof Float16Array&&i instanceof Float16Array)s=e.HALF_FLOAT;else if(i instanceof Uint16Array)s=t.isFloat16BufferAttribute?e.HALF_FLOAT:e.UNSIGNED_SHORT;else if(i instanceof Int16Array)s=e.SHORT;else if(i instanceof Uint32Array)s=e.UNSIGNED_INT;else if(i instanceof Int32Array)s=e.INT;else if(i instanceof Int8Array)s=e.BYTE;else if(i instanceof Uint8Array)s=e.UNSIGNED_BYTE;else{if(!(i instanceof Uint8ClampedArray))throw new Error("THREE.WebGLAttributes: Unsupported buffer data format: "+i);s=e.UNSIGNED_BYTE}return{buffer:o,type:s,bytesPerElement:i.BYTES_PER_ELEMENT,version:t.version,size:a}}(n,i));else if(r.version<n.version){if(r.size!==n.array.byteLength)throw new Error("THREE.WebGLAttributes: The size of the buffer attribute's array buffer does not match the original size. Resizing buffer attributes is not supported.");!function(t,n,i){const r=n.array,a=n.updateRanges;if(e.bindBuffer(i,t),0===a.length)e.bufferSubData(i,0,r);else{a.sort((e,t)=>e.start-t.start);let t=0;for(let e=1;e<a.length;e++){const n=a[t],i=a[e];i.start<=n.start+n.count+1?n.count=Math.max(n.count,i.start+i.count-n.start):(++t,a[t]=i)}a.length=t+1;for(let t=0,n=a.length;t<n;t++){const n=a[t];e.bufferSubData(i,n.start*r.BYTES_PER_ELEMENT,r,n.start,n.count)}n.clearUpdateRanges()}n.onUploadCallback()}(r.buffer,n,i),r.version=n.version}}}}const Bn={alphahash_fragment:"#ifdef USE_ALPHAHASH\n\tif ( diffuseColor.a < getAlphaHashThreshold( vPosition ) ) discard;\n#endif",alphahash_pars_fragment:"#ifdef USE_ALPHAHASH\n\tconst float ALPHA_HASH_SCALE = 0.05;\n\tfloat hash2D( vec2 value ) {\n\t\treturn fract( 1.0e4 * sin( 17.0 * value.x + 0.1 * value.y ) * ( 0.1 + abs( sin( 13.0 * value.y + value.x ) ) ) );\n\t}\n\tfloat hash3D( vec3 value ) {\n\t\treturn hash2D( vec2( hash2D( value.xy ), value.z ) );\n\t}\n\tfloat getAlphaHashThreshold( vec3 position ) {\n\t\tfloat maxDeriv = max(\n\t\t\tlength( dFdx( position.xyz ) ),\n\t\t\tlength( dFdy( position.xyz ) )\n\t\t);\n\t\tfloat pixScale = 1.0 / ( ALPHA_HASH_SCALE * maxDeriv );\n\t\tvec2 pixScales = vec2(\n\t\t\texp2( floor( log2( pixScale ) ) ),\n\t\t\texp2( ceil( log2( pixScale ) ) )\n\t\t);\n\t\tvec2 alpha = vec2(\n\t\t\thash3D( floor( pixScales.x * position.xyz ) ),\n\t\t\thash3D( floor( pixScales.y * position.xyz ) )\n\t\t);\n\t\tfloat lerpFactor = fract( log2( pixScale ) );\n\t\tfloat x = ( 1.0 - lerpFactor ) * alpha.x + lerpFactor * alpha.y;\n\t\tfloat a = min( lerpFactor, 1.0 - lerpFactor );\n\t\tvec3 cases = vec3(\n\t\t\tx * x / ( 2.0 * a * ( 1.0 - a ) ),\n\t\t\t( x - 0.5 * a ) / ( 1.0 - a ),\n\t\t\t1.0 - ( ( 1.0 - x ) * ( 1.0 - x ) / ( 2.0 * a * ( 1.0 - a ) ) )\n\t\t);\n\t\tfloat threshold = ( x < ( 1.0 - a ) )\n\t\t\t? ( ( x < a ) ? cases.x : cases.y )\n\t\t\t: cases.z;\n\t\treturn clamp( threshold , 1.0e-6, 1.0 );\n\t}\n#endif",alphamap_fragment:"#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vAlphaMapUv ).g;\n#endif",alphamap_pars_fragment:"#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",alphatest_fragment:"#ifdef USE_ALPHATEST\n\t#ifdef ALPHA_TO_COVERAGE\n\tdiffuseColor.a = smoothstep( alphaTest, alphaTest + fwidth( diffuseColor.a ), diffuseColor.a );\n\tif ( diffuseColor.a == 0.0 ) discard;\n\t#else\n\tif ( diffuseColor.a < alphaTest ) discard;\n\t#endif\n#endif",alphatest_pars_fragment:"#ifdef USE_ALPHATEST\n\tuniform float alphaTest;\n#endif",aomap_fragment:"#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vAoMapUv ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_CLEARCOAT ) \n\t\tclearcoatSpecularIndirect *= ambientOcclusion;\n\t#endif\n\t#if defined( USE_SHEEN ) \n\t\tsheenSpecularIndirect *= ambientOcclusion;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\t\tfloat dotNV = saturate( dot( geometryNormal, geometryViewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\n\t#endif\n#endif",aomap_pars_fragment:"#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif",batching_pars_vertex:"#ifdef USE_BATCHING\n\t#if ! defined( GL_ANGLE_multi_draw )\n\t#define gl_DrawID _gl_DrawID\n\tuniform int _gl_DrawID;\n\t#endif\n\tuniform highp sampler2D batchingTexture;\n\tuniform highp usampler2D batchingIdTexture;\n\tmat4 getBatchingMatrix( const in float i ) {\n\t\tint size = textureSize( batchingTexture, 0 ).x;\n\t\tint j = int( i ) * 4;\n\t\tint x = j % size;\n\t\tint y = j / size;\n\t\tvec4 v1 = texelFetch( batchingTexture, ivec2( x, y ), 0 );\n\t\tvec4 v2 = texelFetch( batchingTexture, ivec2( x + 1, y ), 0 );\n\t\tvec4 v3 = texelFetch( batchingTexture, ivec2( x + 2, y ), 0 );\n\t\tvec4 v4 = texelFetch( batchingTexture, ivec2( x + 3, y ), 0 );\n\t\treturn mat4( v1, v2, v3, v4 );\n\t}\n\tfloat getIndirectIndex( const in int i ) {\n\t\tint size = textureSize( batchingIdTexture, 0 ).x;\n\t\tint x = i % size;\n\t\tint y = i / size;\n\t\treturn float( texelFetch( batchingIdTexture, ivec2( x, y ), 0 ).r );\n\t}\n#endif\n#ifdef USE_BATCHING_COLOR\n\tuniform sampler2D batchingColorTexture;\n\tvec4 getBatchingColor( const in float i ) {\n\t\tint size = textureSize( batchingColorTexture, 0 ).x;\n\t\tint j = int( i );\n\t\tint x = j % size;\n\t\tint y = j / size;\n\t\treturn texelFetch( batchingColorTexture, ivec2( x, y ), 0 );\n\t}\n#endif",batching_vertex:"#ifdef USE_BATCHING\n\tmat4 batchingMatrix = getBatchingMatrix( getIndirectIndex( gl_DrawID ) );\n#endif",begin_vertex:"vec3 transformed = vec3( position );\n#ifdef USE_ALPHAHASH\n\tvPosition = vec3( position );\n#endif",beginnormal_vertex:"vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n\tvec3 objectTangent = vec3( tangent.xyz );\n#endif",bsdfs:"float G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, 1.0, dotVH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n} // validated",iridescence_fragment:"#ifdef USE_IRIDESCENCE\n\tconst mat3 XYZ_TO_REC709 = mat3(\n\t\t 3.2404542, -0.9692660,  0.0556434,\n\t\t-1.5371385,  1.8760108, -0.2040259,\n\t\t-0.4985314,  0.0415560,  1.0572252\n\t);\n\tvec3 Fresnel0ToIor( vec3 fresnel0 ) {\n\t\tvec3 sqrtF0 = sqrt( fresnel0 );\n\t\treturn ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );\n\t}\n\tvec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {\n\t\treturn pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );\n\t}\n\tfloat IorToFresnel0( float transmittedIor, float incidentIor ) {\n\t\treturn pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));\n\t}\n\tvec3 evalSensitivity( float OPD, vec3 shift ) {\n\t\tfloat phase = 2.0 * PI * OPD * 1.0e-9;\n\t\tvec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );\n\t\tvec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );\n\t\tvec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );\n\t\tvec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );\n\t\txyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) );\n\t\txyz /= 1.0685e-7;\n\t\tvec3 rgb = XYZ_TO_REC709 * xyz;\n\t\treturn rgb;\n\t}\n\tvec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {\n\t\tvec3 I;\n\t\tfloat iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );\n\t\tfloat sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );\n\t\tfloat cosTheta2Sq = 1.0 - sinTheta2Sq;\n\t\tif ( cosTheta2Sq < 0.0 ) {\n\t\t\treturn vec3( 1.0 );\n\t\t}\n\t\tfloat cosTheta2 = sqrt( cosTheta2Sq );\n\t\tfloat R0 = IorToFresnel0( iridescenceIOR, outsideIOR );\n\t\tfloat R12 = F_Schlick( R0, 1.0, cosTheta1 );\n\t\tfloat T121 = 1.0 - R12;\n\t\tfloat phi12 = 0.0;\n\t\tif ( iridescenceIOR < outsideIOR ) phi12 = PI;\n\t\tfloat phi21 = PI - phi12;\n\t\tvec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) );\t\tvec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );\n\t\tvec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );\n\t\tvec3 phi23 = vec3( 0.0 );\n\t\tif ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI;\n\t\tif ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI;\n\t\tif ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI;\n\t\tfloat OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;\n\t\tvec3 phi = vec3( phi21 ) + phi23;\n\t\tvec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );\n\t\tvec3 r123 = sqrt( R123 );\n\t\tvec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );\n\t\tvec3 C0 = R12 + Rs;\n\t\tI = C0;\n\t\tvec3 Cm = Rs - T121;\n\t\tfor ( int m = 1; m <= 2; ++ m ) {\n\t\t\tCm *= r123;\n\t\t\tvec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );\n\t\t\tI += Cm * Sm;\n\t\t}\n\t\treturn max( I, vec3( 0.0 ) );\n\t}\n#endif",bumpmap_pars_fragment:"#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vBumpMapUv );\n\t\tvec2 dSTdy = dFdy( vBumpMapUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vBumpMapUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\n\t\tvec3 vSigmaX = normalize( dFdx( surf_pos.xyz ) );\n\t\tvec3 vSigmaY = normalize( dFdy( surf_pos.xyz ) );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif",clipping_planes_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvec4 plane;\n\t#ifdef ALPHA_TO_COVERAGE\n\t\tfloat distanceToPlane, distanceGradient;\n\t\tfloat clipOpacity = 1.0;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\tclipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\tif ( clipOpacity == 0.0 ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tfloat unionClipOpacity = 1.0;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\t\tunionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tclipOpacity *= 1.0 - unionClipOpacity;\n\t\t#endif\n\t\tdiffuseColor.a *= clipOpacity;\n\t\tif ( diffuseColor.a == 0.0 ) discard;\n\t#else\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tbool clipped = true;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tif ( clipped ) discard;\n\t\t#endif\n\t#endif\n#endif",clipping_planes_pars_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif",clipping_planes_pars_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif",clipping_planes_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif",color_fragment:"#if defined( USE_COLOR ) || defined( USE_COLOR_ALPHA )\n\tdiffuseColor *= vColor;\n#endif",color_pars_fragment:"#if defined( USE_COLOR ) || defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#endif",color_pars_vertex:"#if defined( USE_COLOR ) || defined( USE_COLOR_ALPHA ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n\tvarying vec4 vColor;\n#endif",color_vertex:"#if defined( USE_COLOR ) || defined( USE_COLOR_ALPHA ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n\tvColor = vec4( 1.0 );\n#endif\n#ifdef USE_COLOR_ALPHA\n\tvColor *= color;\n#elif defined( USE_COLOR )\n\tvColor.rgb *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.rgb *= instanceColor.rgb;\n#endif\n#ifdef USE_BATCHING_COLOR\n\tvColor *= getBatchingColor( getIndirectIndex( gl_DrawID ) );\n#endif",common:"#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nvec3 pow2( const in vec3 x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\nfloat average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract( sin( sn ) * c );\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\n#ifdef USE_ALPHAHASH\n\tvarying vec3 vPosition;\n#endif\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n\treturn m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}\nvec3 BRDF_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nfloat F_Schlick( const in float f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n} // validated",cube_uv_reflection_fragment:"#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_minTileSize 16.0\n\tfloat getFace( vec3 direction ) {\n\t\tvec3 absDirection = abs( direction );\n\t\tfloat face = - 1.0;\n\t\tif ( absDirection.x > absDirection.z ) {\n\t\t\tif ( absDirection.x > absDirection.y )\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t} else {\n\t\t\tif ( absDirection.z > absDirection.y )\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t}\n\t\treturn face;\n\t}\n\tvec2 getUV( vec3 direction, float face ) {\n\t\tvec2 uv;\n\t\tif ( face == 0.0 ) {\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 1.0 ) {\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n\t\t} else if ( face == 2.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\n\t\t} else if ( face == 3.0 ) {\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 4.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\n\t\t} else {\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\n\t\t}\n\t\treturn 0.5 * ( uv + 1.0 );\n\t}\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\t\tfloat face = getFace( direction );\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\t\tfloat faceSize = exp2( mipInt );\n\t\thighp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\n\t\tif ( face > 2.0 ) {\n\t\t\tuv.y += faceSize;\n\t\t\tface -= 3.0;\n\t\t}\n\t\tuv.x += face * faceSize;\n\t\tuv.x += filterInt * 3.0 * cubeUV_minTileSize;\n\t\tuv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\n\t\tuv.x *= CUBEUV_TEXEL_WIDTH;\n\t\tuv.y *= CUBEUV_TEXEL_HEIGHT;\n\t\t#ifdef texture2DGradEXT\n\t\t\treturn texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\n\t\t#else\n\t\t\treturn texture2D( envMap, uv ).rgb;\n\t\t#endif\n\t}\n\t#define cubeUV_r0 1.0\n\t#define cubeUV_m0 - 2.0\n\t#define cubeUV_r1 0.8\n\t#define cubeUV_m1 - 1.0\n\t#define cubeUV_r4 0.4\n\t#define cubeUV_m4 2.0\n\t#define cubeUV_r5 0.305\n\t#define cubeUV_m5 3.0\n\t#define cubeUV_r6 0.21\n\t#define cubeUV_m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= cubeUV_r1 ) {\n\t\t\tmip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;\n\t\t} else if ( roughness >= cubeUV_r4 ) {\n\t\t\tmip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;\n\t\t} else if ( roughness >= cubeUV_r5 ) {\n\t\t\tmip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;\n\t\t} else if ( roughness >= cubeUV_r6 ) {\n\t\t\tmip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;\n\t\t} else {\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness );\t\t}\n\t\treturn mip;\n\t}\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\t\tfloat mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );\n\t\tfloat mipF = fract( mip );\n\t\tfloat mipInt = floor( mip );\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\t\tif ( mipF == 0.0 ) {\n\t\t\treturn vec4( color0, 1.0 );\n\t\t} else {\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\t\t}\n\t}\n#endif",defaultnormal_vertex:"vec3 transformedNormal = objectNormal;\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = objectTangent;\n#endif\n#ifdef USE_BATCHING\n\tmat3 bm = mat3( batchingMatrix );\n\ttransformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) );\n\ttransformedNormal = bm * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = bm * transformedTangent;\n\t#endif\n#endif\n#ifdef USE_INSTANCING\n\tmat3 im = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) );\n\ttransformedNormal = im * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = im * transformedTangent;\n\t#endif\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\ttransformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif",displacementmap_pars_vertex:"#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif",displacementmap_vertex:"#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv );\n\t#ifdef DECODE_VIDEO_TEXTURE_EMISSIVE\n\t\temissiveColor = sRGBTransferEOTF( emissiveColor );\n\t#endif\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",colorspace_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",colorspace_pars_fragment:"vec4 LinearTransferOETF( in vec4 value ) {\n\treturn value;\n}\nvec4 sRGBTransferEOTF( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\n}\nvec4 sRGBTransferOETF( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}",envmap_fragment:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, envMapRotation * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t\t#endif\n\t#endif\n#endif",envmap_common_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\tuniform mat3 envMapRotation;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n#endif",envmap_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif",envmap_pars_vertex:"#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif",envmap_physical_pars_fragment:"#ifdef USE_ENVMAP\n\tvec3 getIBLIrradiance( const in vec3 normal ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * worldNormal, 1.0 );\n\t\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 reflectVec = reflect( - viewDir, normal );\n\t\t\treflectVec = normalize( mix( reflectVec, normal, pow4( roughness ) ) );\n\t\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * reflectVec, roughness );\n\t\t\treturn envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\t#ifdef USE_ANISOTROPY\n\t\tvec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) {\n\t\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\t\tvec3 bentNormal = cross( bitangent, viewDir );\n\t\t\t\tbentNormal = normalize( cross( bentNormal, bitangent ) );\n\t\t\t\tbentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) );\n\t\t\t\treturn getIBLRadiance( viewDir, bentNormal, roughness );\n\t\t\t#else\n\t\t\t\treturn vec3( 0.0 );\n\t\t\t#endif\n\t\t}\n\t#endif\n#endif",envmap_vertex:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif",fog_vertex:"#ifdef USE_FOG\n\tvFogDepth = - mvPosition.z;\n#endif",fog_pars_vertex:"#ifdef USE_FOG\n\tvarying float vFogDepth;\n#endif",fog_fragment:"#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif",fog_pars_fragment:"#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float vFogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif",gradientmap_pars_fragment:"#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn vec3( texture2D( gradientMap, coord ).r );\n\t#else\n\t\tvec2 fw = fwidth( coord ) * 0.5;\n\t\treturn mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );\n\t#endif\n}",lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",lights_lambert_fragment:"LambertMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularStrength = specularStrength;",lights_lambert_pars_fragment:"varying vec3 vViewPosition;\nstruct LambertMaterial {\n\tvec3 diffuseColor;\n\tfloat specularStrength;\n};\nvoid RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Lambert\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Lambert",lights_pars_begin:"uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\n#if defined( USE_LIGHT_PROBES )\n\tuniform vec3 lightProbe[ 9 ];\n#endif\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\n\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\treturn irradiance;\n}\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\tif ( cutoffDistance > 0.0 ) {\n\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t}\n\treturn distanceFalloff;\n}\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\n\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) {\n\t\tlight.color = directionalLight.color;\n\t\tlight.direction = directionalLight.direction;\n\t\tlight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = pointLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tlight.color = pointLight.color;\n\t\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\n\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = spotLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat angleCos = dot( light.direction, spotLight.direction );\n\t\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\tif ( spotAttenuation > 0.0 ) {\n\t\t\tfloat lightDistance = length( lVector );\n\t\t\tlight.color = spotLight.color * spotAttenuation;\n\t\t\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t\t} else {\n\t\t\tlight.color = vec3( 0.0 );\n\t\t\tlight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\n\t\tfloat dotNL = dot( normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\treturn irradiance;\n\t}\n#endif",lights_toon_fragment:"ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;",lights_toon_pars_fragment:"varying vec3 vViewPosition;\nstruct ToonMaterial {\n\tvec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon",lights_phong_fragment:"BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;",lights_phong_pars_fragment:"varying vec3 vViewPosition;\nstruct BlinnPhongMaterial {\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong",lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.diffuseContribution = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nmaterial.metalness = metalnessFactor;\nvec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef IOR\n\tmaterial.ior = ior;\n\t#ifdef USE_SPECULAR\n\t\tfloat specularIntensityFactor = specularIntensity;\n\t\tvec3 specularColorFactor = specularColor;\n\t\t#ifdef USE_SPECULAR_COLORMAP\n\t\t\tspecularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb;\n\t\t#endif\n\t\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\t\tspecularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a;\n\t\t#endif\n\t\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\n\t#else\n\t\tfloat specularIntensityFactor = 1.0;\n\t\tvec3 specularColorFactor = vec3( 1.0 );\n\t\tmaterial.specularF90 = 1.0;\n\t#endif\n\tmaterial.specularColor = min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor;\n\tmaterial.specularColorBlended = mix( material.specularColor, diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = vec3( 0.04 );\n\tmaterial.specularColorBlended = mix( material.specularColor, diffuseColor.rgb, metalnessFactor );\n\tmaterial.specularF90 = 1.0;\n#endif\n#ifdef USE_CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\tmaterial.clearcoatF0 = vec3( 0.04 );\n\tmaterial.clearcoatF90 = 1.0;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_DISPERSION\n\tmaterial.dispersion = dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n\tmaterial.iridescence = iridescence;\n\tmaterial.iridescenceIOR = iridescenceIOR;\n\t#ifdef USE_IRIDESCENCEMAP\n\t\tmaterial.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r;\n\t#endif\n\t#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\t\tmaterial.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum;\n\t#else\n\t\tmaterial.iridescenceThickness = iridescenceThicknessMaximum;\n\t#endif\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheenColor;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tmaterial.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb;\n\t#endif\n\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.0001, 1.0 );\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\t#ifdef USE_ANISOTROPYMAP\n\t\tmat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x );\n\t\tvec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb;\n\t\tvec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b;\n\t#else\n\t\tvec2 anisotropyV = anisotropyVector;\n\t#endif\n\tmaterial.anisotropy = length( anisotropyV );\n\tif( material.anisotropy == 0.0 ) {\n\t\tanisotropyV = vec2( 1.0, 0.0 );\n\t} else {\n\t\tanisotropyV /= material.anisotropy;\n\t\tmaterial.anisotropy = saturate( material.anisotropy );\n\t}\n\tmaterial.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) );\n\tmaterial.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y;\n\tmaterial.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y;\n#endif",lights_physical_pars_fragment:"uniform sampler2D dfgLUT;\nstruct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tvec3 diffuseContribution;\n\tvec3 specularColor;\n\tvec3 specularColorBlended;\n\tfloat roughness;\n\tfloat metalness;\n\tfloat specularF90;\n\tfloat dispersion;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat clearcoat;\n\t\tfloat clearcoatRoughness;\n\t\tvec3 clearcoatF0;\n\t\tfloat clearcoatF90;\n\t#endif\n\t#ifdef USE_IRIDESCENCE\n\t\tfloat iridescence;\n\t\tfloat iridescenceIOR;\n\t\tfloat iridescenceThickness;\n\t\tvec3 iridescenceFresnel;\n\t\tvec3 iridescenceF0;\n\t\tvec3 iridescenceFresnelDielectric;\n\t\tvec3 iridescenceFresnelMetallic;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tvec3 sheenColor;\n\t\tfloat sheenRoughness;\n\t#endif\n\t#ifdef IOR\n\t\tfloat ior;\n\t#endif\n\t#ifdef USE_TRANSMISSION\n\t\tfloat transmission;\n\t\tfloat transmissionAlpha;\n\t\tfloat thickness;\n\t\tfloat attenuationDistance;\n\t\tvec3 attenuationColor;\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat anisotropy;\n\t\tfloat alphaT;\n\t\tvec3 anisotropyT;\n\t\tvec3 anisotropyB;\n\t#endif\n};\nvec3 clearcoatSpecularDirect = vec3( 0.0 );\nvec3 clearcoatSpecularIndirect = vec3( 0.0 );\nvec3 sheenSpecularDirect = vec3( 0.0 );\nvec3 sheenSpecularIndirect = vec3(0.0 );\nvec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {\n    float x = clamp( 1.0 - dotVH, 0.0, 1.0 );\n    float x2 = x * x;\n    float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\n    return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\n}\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\n#ifdef USE_ANISOTROPY\n\tfloat V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) {\n\t\tfloat gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) );\n\t\tfloat gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );\n\t\tfloat v = 0.5 / ( gv + gl );\n\t\treturn v;\n\t}\n\tfloat D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {\n\t\tfloat a2 = alphaT * alphaB;\n\t\thighp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );\n\t\thighp float v2 = dot( v, v );\n\t\tfloat w2 = a2 / v2;\n\t\treturn RECIPROCAL_PI * a2 * pow2 ( w2 );\n\t}\n#endif\n#ifdef USE_CLEARCOAT\n\tvec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {\n\t\tvec3 f0 = material.clearcoatF0;\n\t\tfloat f90 = material.clearcoatF90;\n\t\tfloat roughness = material.clearcoatRoughness;\n\t\tfloat alpha = pow2( roughness );\n\t\tvec3 halfDir = normalize( lightDir + viewDir );\n\t\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\t\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\t\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\t\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\t\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t\treturn F * ( V * D );\n\t}\n#endif\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\n\tvec3 f0 = material.specularColorBlended;\n\tfloat f90 = material.specularF90;\n\tfloat roughness = material.roughness;\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t#ifdef USE_IRIDESCENCE\n\t\tF = mix( F, material.iridescenceFresnel, material.iridescence );\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat dotTL = dot( material.anisotropyT, lightDir );\n\t\tfloat dotTV = dot( material.anisotropyT, viewDir );\n\t\tfloat dotTH = dot( material.anisotropyT, halfDir );\n\t\tfloat dotBL = dot( material.anisotropyB, lightDir );\n\t\tfloat dotBV = dot( material.anisotropyB, viewDir );\n\t\tfloat dotBH = dot( material.anisotropyB, halfDir );\n\t\tfloat V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );\n\t\tfloat D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );\n\t#else\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t#endif\n\treturn F * ( V * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transpose( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie( float roughness, float dotNH ) {\n\tfloat alpha = pow2( roughness );\n\tfloat invAlpha = 1.0 / alpha;\n\tfloat cos2h = dotNH * dotNH;\n\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\n\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\n}\nfloat V_Neubelt( float dotNV, float dotNL ) {\n\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\n}\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat D = D_Charlie( sheenRoughness, dotNH );\n\tfloat V = V_Neubelt( dotNV, dotNL );\n\treturn sheenColor * ( D * V );\n}\n#endif\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat r2 = roughness * roughness;\n\tfloat rInv = 1.0 / ( roughness + 0.1 );\n\tfloat a = -1.9362 + 1.0678 * roughness + 0.4573 * r2 - 0.8469 * rInv;\n\tfloat b = -0.6014 + 0.5538 * roughness - 0.4670 * r2 - 0.1255 * rInv;\n\tfloat DG = exp( a * dotNV + b );\n\treturn saturate( DG );\n}\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tvec2 fab = texture2D( dfgLUT, vec2( roughness, dotNV ) ).rg;\n\treturn specularColor * fab.x + specularF90 * fab.y;\n}\n#ifdef USE_IRIDESCENCE\nvoid computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#else\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#endif\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tvec2 fab = texture2D( dfgLUT, vec2( roughness, dotNV ) ).rg;\n\t#ifdef USE_IRIDESCENCE\n\t\tvec3 Fr = mix( specularColor, iridescenceF0, iridescence );\n\t#else\n\t\tvec3 Fr = specularColor;\n\t#endif\n\tvec3 FssEss = Fr * fab.x + specularF90 * fab.y;\n\tfloat Ess = fab.x + fab.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\nvec3 BRDF_GGX_Multiscatter( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\n\tvec3 singleScatter = BRDF_GGX( lightDir, viewDir, normal, material );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tvec2 dfgV = texture2D( dfgLUT, vec2( material.roughness, dotNV ) ).rg;\n\tvec2 dfgL = texture2D( dfgLUT, vec2( material.roughness, dotNL ) ).rg;\n\tvec3 FssEss_V = material.specularColorBlended * dfgV.x + material.specularF90 * dfgV.y;\n\tvec3 FssEss_L = material.specularColorBlended * dfgL.x + material.specularF90 * dfgL.y;\n\tfloat Ess_V = dfgV.x + dfgV.y;\n\tfloat Ess_L = dfgL.x + dfgL.y;\n\tfloat Ems_V = 1.0 - Ess_V;\n\tfloat Ems_L = 1.0 - Ess_L;\n\tvec3 Favg = material.specularColorBlended + ( 1.0 - material.specularColorBlended ) * 0.047619;\n\tvec3 Fms = FssEss_V * FssEss_L * Favg / ( 1.0 - Ems_V * Ems_L * Favg + EPSILON );\n\tfloat compensationFactor = Ems_V * Ems_L;\n\tvec3 multiScatter = Fms * compensationFactor;\n\treturn singleScatter + multiScatter;\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometryNormal;\n\t\tvec3 viewDir = geometryViewDir;\n\t\tvec3 position = geometryPosition;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.roughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3(    0, 1,    0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColorBlended * t2.x + ( material.specularF90 - material.specularColorBlended ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseContribution * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t\t#ifdef USE_CLEARCOAT\n\t\t\tvec3 Ncc = geometryClearcoatNormal;\n\t\t\tvec2 uvClearcoat = LTC_Uv( Ncc, viewDir, material.clearcoatRoughness );\n\t\t\tvec4 t1Clearcoat = texture2D( ltc_1, uvClearcoat );\n\t\t\tvec4 t2Clearcoat = texture2D( ltc_2, uvClearcoat );\n\t\t\tmat3 mInvClearcoat = mat3(\n\t\t\t\tvec3( t1Clearcoat.x, 0, t1Clearcoat.y ),\n\t\t\t\tvec3(             0, 1,             0 ),\n\t\t\t\tvec3( t1Clearcoat.z, 0, t1Clearcoat.w )\n\t\t\t);\n\t\t\tvec3 fresnelClearcoat = material.clearcoatF0 * t2Clearcoat.x + ( material.clearcoatF90 - material.clearcoatF0 ) * t2Clearcoat.y;\n\t\t\tclearcoatSpecularDirect += lightColor * fresnelClearcoat * LTC_Evaluate( Ncc, viewDir, position, mInvClearcoat, rectCoords );\n\t\t#endif\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = dotNLcc * directLight.color;\n\t\tclearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );\n\t#endif\n\t#ifdef USE_SHEEN\n \n \t\tsheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );\n \n \t\tfloat sheenAlbedoV = IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\n \t\tfloat sheenAlbedoL = IBLSheenBRDF( geometryNormal, directLight.direction, material.sheenRoughness );\n \n \t\tfloat sheenEnergyComp = 1.0 - max3( material.sheenColor ) * max( sheenAlbedoV, sheenAlbedoL );\n \n \t\tirradiance *= sheenEnergyComp;\n \n \t#endif\n\treflectedLight.directSpecular += irradiance * BRDF_GGX_Multiscatter( directLight.direction, geometryViewDir, geometryNormal, material );\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseContribution );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 diffuse = irradiance * BRDF_Lambert( material.diffuseContribution );\n\t#ifdef USE_SHEEN\n\t\tfloat sheenAlbedo = IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\n\t\tfloat sheenEnergyComp = 1.0 - max3( material.sheenColor ) * sheenAlbedo;\n\t\tdiffuse *= sheenEnergyComp;\n\t#endif\n\treflectedLight.indirectDiffuse += diffuse;\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness ) * RECIPROCAL_PI;\n \t#endif\n\tvec3 singleScatteringDielectric = vec3( 0.0 );\n\tvec3 multiScatteringDielectric = vec3( 0.0 );\n\tvec3 singleScatteringMetallic = vec3( 0.0 );\n\tvec3 multiScatteringMetallic = vec3( 0.0 );\n\t#ifdef USE_IRIDESCENCE\n\t\tcomputeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnelDielectric, material.roughness, singleScatteringDielectric, multiScatteringDielectric );\n\t\tcomputeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.diffuseColor, material.specularF90, material.iridescence, material.iridescenceFresnelMetallic, material.roughness, singleScatteringMetallic, multiScatteringMetallic );\n\t#else\n\t\tcomputeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScatteringDielectric, multiScatteringDielectric );\n\t\tcomputeMultiscattering( geometryNormal, geometryViewDir, material.diffuseColor, material.specularF90, material.roughness, singleScatteringMetallic, multiScatteringMetallic );\n\t#endif\n\tvec3 singleScattering = mix( singleScatteringDielectric, singleScatteringMetallic, material.metalness );\n\tvec3 multiScattering = mix( multiScatteringDielectric, multiScatteringMetallic, material.metalness );\n\tvec3 totalScatteringDielectric = singleScatteringDielectric + multiScatteringDielectric;\n\tvec3 diffuse = material.diffuseContribution * ( 1.0 - totalScatteringDielectric );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\tvec3 indirectSpecular = radiance * singleScattering;\n\tindirectSpecular += multiScattering * cosineWeightedIrradiance;\n\tvec3 indirectDiffuse = diffuse * cosineWeightedIrradiance;\n\t#ifdef USE_SHEEN\n\t\tfloat sheenAlbedo = IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\n\t\tfloat sheenEnergyComp = 1.0 - max3( material.sheenColor ) * sheenAlbedo;\n\t\tindirectSpecular *= sheenEnergyComp;\n\t\tindirectDiffuse *= sheenEnergyComp;\n\t#endif\n\treflectedLight.indirectSpecular += indirectSpecular;\n\treflectedLight.indirectDiffuse += indirectDiffuse;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}",lights_fragment_begin:"\nvec3 geometryPosition = - vViewPosition;\nvec3 geometryNormal = normal;\nvec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\nvec3 geometryClearcoatNormal = vec3( 0.0 );\n#ifdef USE_CLEARCOAT\n\tgeometryClearcoatNormal = clearcoatNormal;\n#endif\n#ifdef USE_IRIDESCENCE\n\tfloat dotNVi = saturate( dot( normal, geometryViewDir ) );\n\tif ( material.iridescenceThickness == 0.0 ) {\n\t\tmaterial.iridescence = 0.0;\n\t} else {\n\t\tmaterial.iridescence = saturate( material.iridescence );\n\t}\n\tif ( material.iridescence > 0.0 ) {\n\t\tmaterial.iridescenceFresnelDielectric = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\n\t\tmaterial.iridescenceFresnelMetallic = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.diffuseColor );\n\t\tmaterial.iridescenceFresnel = mix( material.iridescenceFresnelDielectric, material.iridescenceFresnelMetallic, material.metalness );\n\t\tmaterial.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\n\t}\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointLightInfo( pointLight, geometryPosition, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS ) && ( defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_BASIC ) )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowIntensity, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\tvec4 spotColor;\n\tvec3 spotLightCoord;\n\tbool inSpotLightMap;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotLightInfo( spotLight, geometryPosition, directLight );\n\t\t#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX\n\t\t#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS\n\t\t#else\n\t\t#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#endif\n\t\t#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )\n\t\t\tspotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;\n\t\t\tinSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );\n\t\t\tspotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );\n\t\t\tdirectLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;\n\t\t#endif\n\t\t#undef SPOT_LIGHT_MAP_INDEX\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowIntensity, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalLightInfo( directionalLight, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowIntensity, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\t#if defined( USE_LIGHT_PROBES )\n\t\tirradiance += getLightProbeIrradiance( lightProbe, geometryNormal );\n\t#endif\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif",lights_fragment_maps:"#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\t#if defined( STANDARD ) || defined( LAMBERT ) || defined( PHONG )\n\t\t\tiblIrradiance += getIBLIrradiance( geometryNormal );\n\t\t#endif\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\t#ifdef USE_ANISOTROPY\n\t\tradiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy );\n\t#else\n\t\tradiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness );\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness );\n\t#endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n\t#if defined( LAMBERT ) || defined( PHONG )\n\t\tirradiance += iblIrradiance;\n\t#endif\n\tRE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif",logdepthbuf_fragment:"#if defined( USE_LOGARITHMIC_DEPTH_BUFFER )\n\tgl_FragDepth = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( USE_LOGARITHMIC_DEPTH_BUFFER )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef USE_LOGARITHMIC_DEPTH_BUFFER\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGARITHMIC_DEPTH_BUFFER\n\tvFragDepth = 1.0 + gl_Position.w;\n\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n#endif",map_fragment:"#ifdef USE_MAP\n\tvec4 sampledDiffuseColor = texture2D( map, vMapUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\tsampledDiffuseColor = sRGBTransferEOTF( sampledDiffuseColor );\n\t#endif\n\tdiffuseColor *= sampledDiffuseColor;\n#endif",map_pars_fragment:"#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif",map_particle_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t#if defined( USE_POINTS_UV )\n\t\tvec2 uv = vUv;\n\t#else\n\t\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tdiffuseColor *= texture2D( map, uv );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",map_particle_pars_fragment:"#if defined( USE_POINTS_UV )\n\tvarying vec2 vUv;\n#else\n\t#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t\tuniform mat3 uvTransform;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",metalnessmap_fragment:"float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphinstance_vertex:"#ifdef USE_INSTANCING_MORPH\n\tfloat morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\tfloat morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tmorphTargetInfluences[i] =  texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r;\n\t}\n#endif",morphcolor_vertex:"#if defined( USE_MORPHCOLORS )\n\tvColor *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t#if defined( USE_COLOR_ALPHA )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\n\t\t#elif defined( USE_COLOR )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\n\t\t#endif\n\t}\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\n\t}\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\t#ifndef USE_INSTANCING_MORPH\n\t\tuniform float morphTargetBaseInfluence;\n\t\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\t#endif\n\tuniform sampler2DArray morphTargetsTexture;\n\tuniform ivec2 morphTargetsTextureSize;\n\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n\t\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n\t\tint y = texelIndex / morphTargetsTextureSize.x;\n\t\tint x = texelIndex - y * morphTargetsTextureSize.x;\n\t\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\n\t\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\n\t}\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\n\t}\n#endif",normal_fragment_begin:"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n\tvec3 fdx = dFdx( vViewPosition );\n\tvec3 fdy = dFdy( vViewPosition );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal *= faceDirection;\n\t#endif\n#endif\n#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY )\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn = getTangentFrame( - vViewPosition, normal,\n\t\t#if defined( USE_NORMALMAP )\n\t\t\tvNormalMapUv\n\t\t#elif defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tvClearcoatNormalMapUv\n\t\t#else\n\t\t\tvUv\n\t\t#endif\n\t\t);\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn[0] *= faceDirection;\n\t\ttbn[1] *= faceDirection;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv );\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn2[0] *= faceDirection;\n\t\ttbn2[1] *= faceDirection;\n\t#endif\n#endif\nvec3 nonPerturbedNormal = normal;",normal_fragment_maps:"#ifdef USE_NORMALMAP_OBJECTSPACE\n\tnormal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( USE_NORMALMAP_TANGENTSPACE )\n\tvec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\tnormal = normalize( tbn * mapN );\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif",normal_pars_fragment:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_pars_vertex:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_vertex:"#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif",normalmap_pars_fragment:"#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef USE_NORMALMAP_OBJECTSPACE\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) )\n\tmat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( uv.st );\n\t\tvec2 st1 = dFdy( uv.st );\n\t\tvec3 N = surf_norm;\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det );\n\t\treturn mat3( T * scale, B * scale, N );\n\t}\n#endif",clearcoat_normal_fragment_begin:"#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal = nonPerturbedNormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\tclearcoatNormal = normalize( tbn2 * clearcoatMapN );\n#endif",clearcoat_pars_fragment:"#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif",iridescence_pars_fragment:"#ifdef USE_IRIDESCENCEMAP\n\tuniform sampler2D iridescenceMap;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform sampler2D iridescenceThicknessMap;\n#endif",opaque_fragment:"#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= material.transmissionAlpha;\n#endif\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );",packing:"vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;const float ShiftRight8 = 1. / 256.;\nconst float Inv255 = 1. / 255.;\nconst vec4 PackFactors = vec4( 1.0, 256.0, 256.0 * 256.0, 256.0 * 256.0 * 256.0 );\nconst vec2 UnpackFactors2 = vec2( UnpackDownscale, 1.0 / PackFactors.g );\nconst vec3 UnpackFactors3 = vec3( UnpackDownscale / PackFactors.rg, 1.0 / PackFactors.b );\nconst vec4 UnpackFactors4 = vec4( UnpackDownscale / PackFactors.rgb, 1.0 / PackFactors.a );\nvec4 packDepthToRGBA( const in float v ) {\n\tif( v <= 0.0 )\n\t\treturn vec4( 0., 0., 0., 0. );\n\tif( v >= 1.0 )\n\t\treturn vec4( 1., 1., 1., 1. );\n\tfloat vuf;\n\tfloat af = modf( v * PackFactors.a, vuf );\n\tfloat bf = modf( vuf * ShiftRight8, vuf );\n\tfloat gf = modf( vuf * ShiftRight8, vuf );\n\treturn vec4( vuf * Inv255, gf * PackUpscale, bf * PackUpscale, af );\n}\nvec3 packDepthToRGB( const in float v ) {\n\tif( v <= 0.0 )\n\t\treturn vec3( 0., 0., 0. );\n\tif( v >= 1.0 )\n\t\treturn vec3( 1., 1., 1. );\n\tfloat vuf;\n\tfloat bf = modf( v * PackFactors.b, vuf );\n\tfloat gf = modf( vuf * ShiftRight8, vuf );\n\treturn vec3( vuf * Inv255, gf * PackUpscale, bf );\n}\nvec2 packDepthToRG( const in float v ) {\n\tif( v <= 0.0 )\n\t\treturn vec2( 0., 0. );\n\tif( v >= 1.0 )\n\t\treturn vec2( 1., 1. );\n\tfloat vuf;\n\tfloat gf = modf( v * 256., vuf );\n\treturn vec2( vuf * Inv255, gf );\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors4 );\n}\nfloat unpackRGBToDepth( const in vec3 v ) {\n\treturn dot( v, UnpackFactors3 );\n}\nfloat unpackRGToDepth( const in vec2 v ) {\n\treturn v.r * UnpackFactors2.r + v.g * UnpackFactors2.g;\n}\nvec4 pack2HalfToRGBA( const in vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\n}\nvec2 unpackRGBATo2Half( const in vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\n\t\treturn depth * ( far - near ) - far;\n\t#else\n\t\treturn depth * ( near - far ) - near;\n\t#endif\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\t\n\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\treturn ( near * far ) / ( ( near - far ) * depth - near );\n\t#else\n\t\treturn ( near * far ) / ( ( far - near ) * depth - far );\n\t#endif\n}",premultiplied_alpha_fragment:"#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif",project_vertex:"vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_BATCHING\n\tmvPosition = batchingMatrix * mvPosition;\n#endif\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;",dithering_fragment:"#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif",dithering_pars_fragment:"#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif",roughnessmap_fragment:"float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv );\n\troughnessFactor *= texelRoughness.g;\n#endif",roughnessmap_pars_fragment:"#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",shadowmap_pars_fragment:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#if NUM_SPOT_LIGHT_MAPS > 0\n\tuniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tuniform sampler2DShadow directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\t#else\n\t\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\t#endif\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tuniform sampler2DShadow spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\t#else\n\t\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\t#endif\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tuniform samplerCubeShadow pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\t#elif defined( SHADOWMAP_TYPE_BASIC )\n\t\t\tuniform samplerCube pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\t#endif\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\tfloat interleavedGradientNoise( vec2 position ) {\n\t\t\treturn fract( 52.9829189 * fract( dot( position, vec2( 0.06711056, 0.00583715 ) ) ) );\n\t\t}\n\t\tvec2 vogelDiskSample( int sampleIndex, int samplesCount, float phi ) {\n\t\t\tconst float goldenAngle = 2.399963229728653;\n\t\t\tfloat r = sqrt( ( float( sampleIndex ) + 0.5 ) / float( samplesCount ) );\n\t\t\tfloat theta = float( sampleIndex ) * goldenAngle + phi;\n\t\t\treturn vec2( cos( theta ), sin( theta ) ) * r;\n\t\t}\n\t#endif\n\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\tfloat getShadow( sampler2DShadow shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\t\tfloat shadow = 1.0;\n\t\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\t\tshadowCoord.z += shadowBias;\n\t\t\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n\t\t\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\n\t\t\tif ( frustumTest ) {\n\t\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\t\tfloat radius = shadowRadius * texelSize.x;\n\t\t\t\tfloat phi = interleavedGradientNoise( gl_FragCoord.xy ) * PI2;\n\t\t\t\tshadow = (\n\t\t\t\t\ttexture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 0, 5, phi ) * radius, shadowCoord.z ) ) +\n\t\t\t\t\ttexture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 1, 5, phi ) * radius, shadowCoord.z ) ) +\n\t\t\t\t\ttexture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 2, 5, phi ) * radius, shadowCoord.z ) ) +\n\t\t\t\t\ttexture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 3, 5, phi ) * radius, shadowCoord.z ) ) +\n\t\t\t\t\ttexture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 4, 5, phi ) * radius, shadowCoord.z ) )\n\t\t\t\t) * 0.2;\n\t\t\t}\n\t\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t\t}\n\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\t\tfloat shadow = 1.0;\n\t\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\t\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\t\t\tshadowCoord.z -= shadowBias;\n\t\t\t#else\n\t\t\t\tshadowCoord.z += shadowBias;\n\t\t\t#endif\n\t\t\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n\t\t\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\n\t\t\tif ( frustumTest ) {\n\t\t\t\tvec2 distribution = texture2D( shadowMap, shadowCoord.xy ).rg;\n\t\t\t\tfloat mean = distribution.x;\n\t\t\t\tfloat variance = distribution.y * distribution.y;\n\t\t\t\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\t\t\t\tfloat hard_shadow = step( mean, shadowCoord.z );\n\t\t\t\t#else\n\t\t\t\t\tfloat hard_shadow = step( shadowCoord.z, mean );\n\t\t\t\t#endif\n\t\t\t\t\n\t\t\t\tif ( hard_shadow == 1.0 ) {\n\t\t\t\t\tshadow = 1.0;\n\t\t\t\t} else {\n\t\t\t\t\tvariance = max( variance, 0.0000001 );\n\t\t\t\t\tfloat d = shadowCoord.z - mean;\n\t\t\t\t\tfloat p_max = variance / ( variance + d * d );\n\t\t\t\t\tp_max = clamp( ( p_max - 0.3 ) / 0.65, 0.0, 1.0 );\n\t\t\t\t\tshadow = max( hard_shadow, p_max );\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t\t}\n\t#else\n\t\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\t\tfloat shadow = 1.0;\n\t\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\t\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\t\t\tshadowCoord.z -= shadowBias;\n\t\t\t#else\n\t\t\t\tshadowCoord.z += shadowBias;\n\t\t\t#endif\n\t\t\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n\t\t\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\n\t\t\tif ( frustumTest ) {\n\t\t\t\tfloat depth = texture2D( shadowMap, shadowCoord.xy ).r;\n\t\t\t\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\t\t\t\tshadow = step( depth, shadowCoord.z );\n\t\t\t\t#else\n\t\t\t\t\tshadow = step( shadowCoord.z, depth );\n\t\t\t\t#endif\n\t\t\t}\n\t\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t\t}\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t#if defined( SHADOWMAP_TYPE_PCF )\n\tfloat getPointShadow( samplerCubeShadow shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tfloat shadow = 1.0;\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\tvec3 absVec = abs( lightToPosition );\n\t\tfloat viewSpaceZ = max( max( absVec.x, absVec.y ), absVec.z );\n\t\tif ( viewSpaceZ - shadowCameraFar <= 0.0 && viewSpaceZ - shadowCameraNear >= 0.0 ) {\n\t\t\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\t\t\tfloat dp = ( shadowCameraNear * ( shadowCameraFar - viewSpaceZ ) ) / ( viewSpaceZ * ( shadowCameraFar - shadowCameraNear ) );\n\t\t\t\tdp -= shadowBias;\n\t\t\t#else\n\t\t\t\tfloat dp = ( shadowCameraFar * ( viewSpaceZ - shadowCameraNear ) ) / ( viewSpaceZ * ( shadowCameraFar - shadowCameraNear ) );\n\t\t\t\tdp += shadowBias;\n\t\t\t#endif\n\t\t\tfloat texelSize = shadowRadius / shadowMapSize.x;\n\t\t\tvec3 absDir = abs( bd3D );\n\t\t\tvec3 tangent = absDir.x > absDir.z ? vec3( 0.0, 1.0, 0.0 ) : vec3( 1.0, 0.0, 0.0 );\n\t\t\ttangent = normalize( cross( bd3D, tangent ) );\n\t\t\tvec3 bitangent = cross( bd3D, tangent );\n\t\t\tfloat phi = interleavedGradientNoise( gl_FragCoord.xy ) * PI2;\n\t\t\tvec2 sample0 = vogelDiskSample( 0, 5, phi );\n\t\t\tvec2 sample1 = vogelDiskSample( 1, 5, phi );\n\t\t\tvec2 sample2 = vogelDiskSample( 2, 5, phi );\n\t\t\tvec2 sample3 = vogelDiskSample( 3, 5, phi );\n\t\t\tvec2 sample4 = vogelDiskSample( 4, 5, phi );\n\t\t\tshadow = (\n\t\t\t\ttexture( shadowMap, vec4( bd3D + ( tangent * sample0.x + bitangent * sample0.y ) * texelSize, dp ) ) +\n\t\t\t\ttexture( shadowMap, vec4( bd3D + ( tangent * sample1.x + bitangent * sample1.y ) * texelSize, dp ) ) +\n\t\t\t\ttexture( shadowMap, vec4( bd3D + ( tangent * sample2.x + bitangent * sample2.y ) * texelSize, dp ) ) +\n\t\t\t\ttexture( shadowMap, vec4( bd3D + ( tangent * sample3.x + bitangent * sample3.y ) * texelSize, dp ) ) +\n\t\t\t\ttexture( shadowMap, vec4( bd3D + ( tangent * sample4.x + bitangent * sample4.y ) * texelSize, dp ) )\n\t\t\t) * 0.2;\n\t\t}\n\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t}\n\t#elif defined( SHADOWMAP_TYPE_BASIC )\n\tfloat getPointShadow( samplerCube shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tfloat shadow = 1.0;\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tvec3 absVec = abs( lightToPosition );\n\t\tfloat viewSpaceZ = max( max( absVec.x, absVec.y ), absVec.z );\n\t\tif ( viewSpaceZ - shadowCameraFar <= 0.0 && viewSpaceZ - shadowCameraNear >= 0.0 ) {\n\t\t\tfloat dp = ( shadowCameraFar * ( viewSpaceZ - shadowCameraNear ) ) / ( viewSpaceZ * ( shadowCameraFar - shadowCameraNear ) );\n\t\t\tdp += shadowBias;\n\t\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t\tfloat depth = textureCube( shadowMap, bd3D ).r;\n\t\t\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\t\t\tdepth = 1.0 - depth;\n\t\t\t#endif\n\t\t\tshadow = step( dp, depth );\n\t\t}\n\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t}\n\t#endif\n\t#endif\n#endif",shadowmap_pars_vertex:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif",shadowmap_vertex:"#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )\n\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\tvec4 shadowWorldPosition;\n#endif\n#if defined( USE_SHADOWMAP )\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if NUM_SPOT_LIGHT_COORDS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition;\n\t\t#if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\tshadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;\n\t\t#endif\n\t\tvSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n#endif",shadowmask_pars_fragment:"float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowIntensity, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowIntensity, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0 && ( defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_BASIC ) )\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowIntensity, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}",skinbase_vertex:"#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif",skinning_pars_vertex:"#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\tuniform highp sampler2D boneTexture;\n\tmat4 getBoneMatrix( const in float i ) {\n\t\tint size = textureSize( boneTexture, 0 ).x;\n\t\tint j = int( i ) * 4;\n\t\tint x = j % size;\n\t\tint y = j / size;\n\t\tvec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 );\n\t\tvec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 );\n\t\tvec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 );\n\t\tvec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 );\n\t\treturn mat4( v1, v2, v3, v4 );\n\t}\n#endif",skinning_vertex:"#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif",skinnormal_vertex:"#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif",specularmap_fragment:"float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vSpecularMapUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif",specularmap_pars_fragment:"#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif",tonemapping_fragment:"#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif",tonemapping_pars_fragment:"#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn saturate( toneMappingExposure * color );\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 CineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ),\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3(  1.60475, -0.10208, -0.00327 ),\t\tvec3( -0.53108,  1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605,  1.07602 )\n\t);\n\tcolor *= toneMappingExposure / 0.6;\n\tcolor = ACESInputMat * color;\n\tcolor = RRTAndODTFit( color );\n\tcolor = ACESOutputMat * color;\n\treturn saturate( color );\n}\nconst mat3 LINEAR_REC2020_TO_LINEAR_SRGB = mat3(\n\tvec3( 1.6605, - 0.1246, - 0.0182 ),\n\tvec3( - 0.5876, 1.1329, - 0.1006 ),\n\tvec3( - 0.0728, - 0.0083, 1.1187 )\n);\nconst mat3 LINEAR_SRGB_TO_LINEAR_REC2020 = mat3(\n\tvec3( 0.6274, 0.0691, 0.0164 ),\n\tvec3( 0.3293, 0.9195, 0.0880 ),\n\tvec3( 0.0433, 0.0113, 0.8956 )\n);\nvec3 agxDefaultContrastApprox( vec3 x ) {\n\tvec3 x2 = x * x;\n\tvec3 x4 = x2 * x2;\n\treturn + 15.5 * x4 * x2\n\t\t- 40.14 * x4 * x\n\t\t+ 31.96 * x4\n\t\t- 6.868 * x2 * x\n\t\t+ 0.4298 * x2\n\t\t+ 0.1191 * x\n\t\t- 0.00232;\n}\nvec3 AgXToneMapping( vec3 color ) {\n\tconst mat3 AgXInsetMatrix = mat3(\n\t\tvec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ),\n\t\tvec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ),\n\t\tvec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 )\n\t);\n\tconst mat3 AgXOutsetMatrix = mat3(\n\t\tvec3( 1.1271005818144368, - 0.1413297634984383, - 0.14132976349843826 ),\n\t\tvec3( - 0.11060664309660323, 1.157823702216272, - 0.11060664309660294 ),\n\t\tvec3( - 0.016493938717834573, - 0.016493938717834257, 1.2519364065950405 )\n\t);\n\tconst float AgxMinEv = - 12.47393;\tconst float AgxMaxEv = 4.026069;\n\tcolor *= toneMappingExposure;\n\tcolor = LINEAR_SRGB_TO_LINEAR_REC2020 * color;\n\tcolor = AgXInsetMatrix * color;\n\tcolor = max( color, 1e-10 );\tcolor = log2( color );\n\tcolor = ( color - AgxMinEv ) / ( AgxMaxEv - AgxMinEv );\n\tcolor = clamp( color, 0.0, 1.0 );\n\tcolor = agxDefaultContrastApprox( color );\n\tcolor = AgXOutsetMatrix * color;\n\tcolor = pow( max( vec3( 0.0 ), color ), vec3( 2.2 ) );\n\tcolor = LINEAR_REC2020_TO_LINEAR_SRGB * color;\n\tcolor = clamp( color, 0.0, 1.0 );\n\treturn color;\n}\nvec3 NeutralToneMapping( vec3 color ) {\n\tconst float StartCompression = 0.8 - 0.04;\n\tconst float Desaturation = 0.15;\n\tcolor *= toneMappingExposure;\n\tfloat x = min( color.r, min( color.g, color.b ) );\n\tfloat offset = x < 0.08 ? x - 6.25 * x * x : 0.04;\n\tcolor -= offset;\n\tfloat peak = max( color.r, max( color.g, color.b ) );\n\tif ( peak < StartCompression ) return color;\n\tfloat d = 1. - StartCompression;\n\tfloat newPeak = 1. - d * d / ( peak + d - StartCompression );\n\tcolor *= newPeak / peak;\n\tfloat g = 1. - 1. / ( Desaturation * ( peak - newPeak ) + 1. );\n\treturn mix( color, vec3( newPeak ), g );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }",transmission_fragment:"#ifdef USE_TRANSMISSION\n\tmaterial.transmission = transmission;\n\tmaterial.transmissionAlpha = 1.0;\n\tmaterial.thickness = thickness;\n\tmaterial.attenuationDistance = attenuationDistance;\n\tmaterial.attenuationColor = attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tmaterial.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tmaterial.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g;\n\t#endif\n\tvec3 pos = vWorldPosition;\n\tvec3 v = normalize( cameraPosition - pos );\n\tvec3 n = inverseTransformDirection( normal, viewMatrix );\n\tvec4 transmitted = getIBLVolumeRefraction(\n\t\tn, v, material.roughness, material.diffuseContribution, material.specularColorBlended, material.specularF90,\n\t\tpos, modelMatrix, viewMatrix, projectionMatrix, material.dispersion, material.ior, material.thickness,\n\t\tmaterial.attenuationColor, material.attenuationDistance );\n\tmaterial.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission );\n\ttotalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission );\n#endif",transmission_pars_fragment:"#ifdef USE_TRANSMISSION\n\tuniform float transmission;\n\tuniform float thickness;\n\tuniform float attenuationDistance;\n\tuniform vec3 attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tuniform sampler2D transmissionMap;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tuniform sampler2D thicknessMap;\n\t#endif\n\tuniform vec2 transmissionSamplerSize;\n\tuniform sampler2D transmissionSamplerMap;\n\tuniform mat4 modelMatrix;\n\tuniform mat4 projectionMatrix;\n\tvarying vec3 vWorldPosition;\n\tfloat w0( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 );\n\t}\n\tfloat w1( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a *  a * ( 3.0 * a - 6.0 ) + 4.0 );\n\t}\n\tfloat w2( float a ){\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 );\n\t}\n\tfloat w3( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * a * a );\n\t}\n\tfloat g0( float a ) {\n\t\treturn w0( a ) + w1( a );\n\t}\n\tfloat g1( float a ) {\n\t\treturn w2( a ) + w3( a );\n\t}\n\tfloat h0( float a ) {\n\t\treturn - 1.0 + w1( a ) / ( w0( a ) + w1( a ) );\n\t}\n\tfloat h1( float a ) {\n\t\treturn 1.0 + w3( a ) / ( w2( a ) + w3( a ) );\n\t}\n\tvec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) {\n\t\tuv = uv * texelSize.zw + 0.5;\n\t\tvec2 iuv = floor( uv );\n\t\tvec2 fuv = fract( uv );\n\t\tfloat g0x = g0( fuv.x );\n\t\tfloat g1x = g1( fuv.x );\n\t\tfloat h0x = h0( fuv.x );\n\t\tfloat h1x = h1( fuv.x );\n\t\tfloat h0y = h0( fuv.y );\n\t\tfloat h1y = h1( fuv.y );\n\t\tvec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\treturn g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) +\n\t\t\tg1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) );\n\t}\n\tvec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) {\n\t\tvec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) );\n\t\tvec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) );\n\t\tvec2 fLodSizeInv = 1.0 / fLodSize;\n\t\tvec2 cLodSizeInv = 1.0 / cLodSize;\n\t\tvec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) );\n\t\tvec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) );\n\t\treturn mix( fSample, cSample, fract( lod ) );\n\t}\n\tvec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\n\t\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\n\t\tvec3 modelScale;\n\t\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\n\t\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\n\t\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\n\t\treturn normalize( refractionVector ) * thickness * modelScale;\n\t}\n\tfloat applyIorToRoughness( const in float roughness, const in float ior ) {\n\t\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n\t}\n\tvec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\n\t\tfloat lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n\t\treturn textureBicubic( transmissionSamplerMap, fragCoord.xy, lod );\n\t}\n\tvec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tif ( isinf( attenuationDistance ) ) {\n\t\t\treturn vec3( 1.0 );\n\t\t} else {\n\t\t\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n\t\t\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\t\t\treturn transmittance;\n\t\t}\n\t}\n\tvec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\n\t\tconst in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\n\t\tconst in mat4 viewMatrix, const in mat4 projMatrix, const in float dispersion, const in float ior, const in float thickness,\n\t\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tvec4 transmittedLight;\n\t\tvec3 transmittance;\n\t\t#ifdef USE_DISPERSION\n\t\t\tfloat halfSpread = ( ior - 1.0 ) * 0.025 * dispersion;\n\t\t\tvec3 iors = vec3( ior - halfSpread, ior, ior + halfSpread );\n\t\t\tfor ( int i = 0; i < 3; i ++ ) {\n\t\t\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, iors[ i ], modelMatrix );\n\t\t\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\t\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\t\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\t\t\trefractionCoords += 1.0;\n\t\t\t\trefractionCoords /= 2.0;\n\t\t\t\tvec4 transmissionSample = getTransmissionSample( refractionCoords, roughness, iors[ i ] );\n\t\t\t\ttransmittedLight[ i ] = transmissionSample[ i ];\n\t\t\t\ttransmittedLight.a += transmissionSample.a;\n\t\t\t\ttransmittance[ i ] = diffuseColor[ i ] * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance )[ i ];\n\t\t\t}\n\t\t\ttransmittedLight.a /= 3.0;\n\t\t#else\n\t\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n\t\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\t\trefractionCoords += 1.0;\n\t\t\trefractionCoords /= 2.0;\n\t\t\ttransmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n\t\t\ttransmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );\n\t\t#endif\n\t\tvec3 attenuatedColor = transmittance * transmittedLight.rgb;\n\t\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n\t\tfloat transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0;\n\t\treturn vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor );\n\t}\n#endif",uv_pars_fragment:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_pars_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tuniform mat3 mapTransform;\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform mat3 alphaMapTransform;\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tuniform mat3 lightMapTransform;\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tuniform mat3 aoMapTransform;\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tuniform mat3 bumpMapTransform;\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tuniform mat3 normalMapTransform;\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tuniform mat3 displacementMapTransform;\n\tvarying vec2 vDisplacementMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tuniform mat3 emissiveMapTransform;\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tuniform mat3 metalnessMapTransform;\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tuniform mat3 roughnessMapTransform;\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tuniform mat3 anisotropyMapTransform;\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tuniform mat3 clearcoatMapTransform;\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform mat3 clearcoatNormalMapTransform;\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform mat3 clearcoatRoughnessMapTransform;\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tuniform mat3 sheenColorMapTransform;\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tuniform mat3 sheenRoughnessMapTransform;\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tuniform mat3 iridescenceMapTransform;\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform mat3 iridescenceThicknessMapTransform;\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tuniform mat3 specularMapTransform;\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tuniform mat3 specularColorMapTransform;\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tuniform mat3 specularIntensityMapTransform;\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvUv = vec3( uv, 1 ).xy;\n#endif\n#ifdef USE_MAP\n\tvMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ALPHAMAP\n\tvAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_LIGHTMAP\n\tvLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_AOMAP\n\tvAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_BUMPMAP\n\tvBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_NORMALMAP\n\tvNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tvDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_METALNESSMAP\n\tvMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULARMAP\n\tvSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tvTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_THICKNESSMAP\n\tvThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_BATCHING\n\t\tworldPosition = batchingMatrix * worldPosition;\n\t#endif\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif",background_vert:"varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}",background_frag:"uniform sampler2D t2D;\nuniform float backgroundIntensity;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\ttexColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",backgroundCube_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\tgl_Position.z = gl_Position.w;\n}",backgroundCube_frag:"#ifdef ENVMAP_TYPE_CUBE\n\tuniform samplerCube envMap;\n#elif defined( ENVMAP_TYPE_CUBE_UV )\n\tuniform sampler2D envMap;\n#endif\nuniform float flipEnvMap;\nuniform float backgroundBlurriness;\nuniform float backgroundIntensity;\nuniform mat3 backgroundRotation;\nvarying vec3 vWorldDirection;\n#include <cube_uv_reflection_fragment>\nvoid main() {\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 texColor = textureCube( envMap, backgroundRotation * vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 texColor = textureCubeUV( envMap, backgroundRotation * vWorldDirection, backgroundBlurriness );\n\t#else\n\t\tvec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",cube_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\tgl_Position.z = gl_Position.w;\n}",cube_frag:"uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldDirection;\nvoid main() {\n\tvec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );\n\tgl_FragColor = texColor;\n\tgl_FragColor.a *= opacity;\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",depth_vert:"#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include <uv_vertex>\n\t#include <batching_vertex>\n\t#include <skinbase_vertex>\n\t#include <morphinstance_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvHighPrecisionZW = gl_Position.zw;\n}",depth_frag:"#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include <clipping_planes_fragment>\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <logdepthbuf_fragment>\n\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\tfloat fragCoordZ = vHighPrecisionZW[ 0 ] / vHighPrecisionZW[ 1 ];\n\t#else\n\t\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[ 0 ] / vHighPrecisionZW[ 1 ] + 0.5;\n\t#endif\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#elif DEPTH_PACKING == 3202\n\t\tgl_FragColor = vec4( packDepthToRGB( fragCoordZ ), 1.0 );\n\t#elif DEPTH_PACKING == 3203\n\t\tgl_FragColor = vec4( packDepthToRG( fragCoordZ ), 0.0, 1.0 );\n\t#endif\n}",distance_vert:"#define DISTANCE\nvarying vec3 vWorldPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <batching_vertex>\n\t#include <skinbase_vertex>\n\t#include <morphinstance_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\tvWorldPosition = worldPosition.xyz;\n}",distance_frag:"#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include <common>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main () {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include <clipping_planes_fragment>\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = vec4( dist, 0.0, 0.0, 1.0 );\n}",equirect_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n}",equirect_frag:"uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",linedashed_vert:"uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include <common>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}",linedashed_frag:"uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",meshbasic_vert:"#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_vertex>\n\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinbase_vertex>\n\t\t#include <skinnormal_vertex>\n\t\t#include <defaultnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <fog_vertex>\n}",meshbasic_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <specularmap_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\treflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include <aomap_fragment>\n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include <envmap_fragment>\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshlambert_vert:"#define LAMBERT\nvarying vec3 vViewPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshlambert_frag:"#define LAMBERT\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_lambert_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_lambert_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshmatcap_vert:"#define MATCAP\nvarying vec3 vViewPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\tvViewPosition = - mvPosition.xyz;\n}",meshmatcap_frag:"#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <fog_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t#else\n\t\tvec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshnormal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",meshnormal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include <uv_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( 0.0, 0.0, 0.0, opacity );\n\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tgl_FragColor = vec4( normalize( normal ) * 0.5 + 0.5, diffuseColor.a );\n\t#ifdef OPAQUE\n\t\tgl_FragColor.a = 1.0;\n\t#endif\n}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshphong_frag:"#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_phong_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_phong_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshphysical_vert:"#define STANDARD\nvarying vec3 vViewPosition;\n#ifdef USE_TRANSMISSION\n\tvarying vec3 vWorldPosition;\n#endif\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n#ifdef USE_TRANSMISSION\n\tvWorldPosition = worldPosition.xyz;\n#endif\n}",meshphysical_frag:"#define STANDARD\n#ifdef PHYSICAL\n\t#define IOR\n\t#define USE_SPECULAR\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef IOR\n\tuniform float ior;\n#endif\n#ifdef USE_SPECULAR\n\tuniform float specularIntensity;\n\tuniform vec3 specularColor;\n\t#ifdef USE_SPECULAR_COLORMAP\n\t\tuniform sampler2D specularColorMap;\n\t#endif\n\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\tuniform sampler2D specularIntensityMap;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_DISPERSION\n\tuniform float dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n\tuniform float iridescence;\n\tuniform float iridescenceIOR;\n\tuniform float iridescenceThicknessMinimum;\n\tuniform float iridescenceThicknessMaximum;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheenColor;\n\tuniform float sheenRoughness;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tuniform sampler2D sheenColorMap;\n\t#endif\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tuniform sampler2D sheenRoughnessMap;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\tuniform vec2 anisotropyVector;\n\t#ifdef USE_ANISOTROPYMAP\n\t\tuniform sampler2D anisotropyMap;\n\t#endif\n#endif\nvarying vec3 vViewPosition;\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <iridescence_fragment>\n#include <cube_uv_reflection_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_physical_pars_fragment>\n#include <transmission_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <clearcoat_pars_fragment>\n#include <iridescence_pars_fragment>\n#include <roughnessmap_pars_fragment>\n#include <metalnessmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <roughnessmap_fragment>\n\t#include <metalnessmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <clearcoat_normal_fragment_begin>\n\t#include <clearcoat_normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_physical_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n\t#include <transmission_fragment>\n\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\n\t#ifdef USE_SHEEN\n \n\t\toutgoingLight = outgoingLight + sheenSpecularDirect + sheenSpecularIndirect;\n \n \t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNVcc = saturate( dot( geometryClearcoatNormal, geometryViewDir ) );\n\t\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n\t\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + ( clearcoatSpecularDirect + clearcoatSpecularIndirect ) * material.clearcoat;\n\t#endif\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshtoon_vert:"#define TOON\nvarying vec3 vViewPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshtoon_frag:"#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <gradientmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_toon_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_toon_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",points_vert:"uniform float size;\nuniform float scale;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n#ifdef USE_POINTS_UV\n\tvarying vec2 vUv;\n\tuniform mat3 uvTransform;\n#endif\nvoid main() {\n\t#ifdef USE_POINTS_UV\n\t\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\t#endif\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <fog_vertex>\n}",points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <color_pars_fragment>\n#include <map_particle_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include <logdepthbuf_fragment>\n\t#include <map_particle_fragment>\n\t#include <color_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",shadow_vert:"#include <common>\n#include <batching_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <shadowmap_pars_vertex>\nvoid main() {\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",shadow_frag:"uniform vec3 color;\nuniform float opacity;\n#include <common>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <logdepthbuf_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\nvoid main() {\n\t#include <logdepthbuf_fragment>\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",sprite_vert:"uniform float rotation;\nuniform vec2 center;\n#include <common>\n#include <uv_pars_vertex>\n#include <fog_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\tvec4 mvPosition = modelViewMatrix[ 3 ];\n\tvec2 scale = vec2( length( modelMatrix[ 0 ].xyz ), length( 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a(t){if("highp"===t){if(e.getShaderPrecisionFormat(e.VERTEX_SHADER,e.HIGH_FLOAT).precision>0&&e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.HIGH_FLOAT).precision>0)return"highp";t="mediump"}return"mediump"===t&&e.getShaderPrecisionFormat(e.VERTEX_SHADER,e.MEDIUM_FLOAT).precision>0&&e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.MEDIUM_FLOAT).precision>0?"mediump":"lowp"}let o=void 0!==n.precision?n.precision:"highp";const s=a(o);s!==o&&(E("WebGLRenderer:",o,"not supported, using",s,"instead."),o=s);return{isWebGL2:!0,getMaxAnisotropy:function(){if(void 0!==r)return r;if(!0===t.has("EXT_texture_filter_anisotropic")){const n=t.get("EXT_texture_filter_anisotropic");r=e.getParameter(n.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else r=0;return r},getMaxPrecision:a,textureFormatReadable:function(t){return t===x||i.convert(t)===e.getParameter(e.IMPLEMENTATION_COLOR_READ_FORMAT)},textureTypeReadable:function(n){const r=n===S&&(t.has("EXT_color_buffer_half_float")||t.has("EXT_color_buffer_float"));return!(n!==M&&i.convert(n)!==e.getParameter(e.IMPLEMENTATION_COLOR_READ_TYPE)&&n!==T&&!r)},precision:o,logarithmicDepthBuffer:!0===n.logarithmicDepthBuffer,reversedDepthBuffer:!0===n.reversedDepthBuffer&&t.has("EXT_clip_control"),maxTextures:e.getParameter(e.MAX_TEXTURE_IMAGE_UNITS),maxVertexTextures:e.getParameter(e.MAX_VERTEX_TEXTURE_IMAGE_UNITS),maxTextureSize:e.getParameter(e.MAX_TEXTURE_SIZE),maxCubemapSize:e.getParameter(e.MAX_CUBE_MAP_TEXTURE_SIZE),maxAttributes:e.getParameter(e.MAX_VERTEX_ATTRIBS),maxVertexUniforms:e.getParameter(e.MAX_VERTEX_UNIFORM_VECTORS),maxVaryings:e.getParameter(e.MAX_VARYING_VECTORS),maxFragmentUniforms:e.getParameter(e.MAX_FRAGMENT_UNIFORM_VECTORS),maxSamples:e.getParameter(e.MAX_SAMPLES),samples:e.getParameter(e.SAMPLES)}}function qn(t){const n=this;let i=null,r=0,a=!1,o=!1;const s=new A,l=new e,c={value:null,needsUpdate:!1};function d(e,t,i,r){const a=null!==e?e.length:0;let o=null;if(0!==a){if(o=c.value,!0!==r||null===o){const n=i+4*a,r=t.matrixWorldInverse;l.getNormalMatrix(r),(null===o||o.length<n)&&(o=new Float32Array(n));for(let t=0,n=i;t!==a;++t,n+=4)s.copy(e[t]).applyMatrix4(r,l),s.normal.toArray(o,n),o[n+3]=s.constant}c.value=o,c.needsUpdate=!0}return n.numPlanes=a,n.numIntersection=0,o}this.uniform=c,this.numPlanes=0,this.numIntersection=0,this.init=function(e,t){const n=0!==e.length||t||0!==r||a;return a=t,r=e.length,n},this.beginShadows=function(){o=!0,d(null)},this.endShadows=function(){o=!1},this.setGlobalState=function(e,t){i=d(e,t,0)},this.setState=function(e,s,l){const u=e.clippingPlanes,f=e.clipIntersection,p=e.clipShadows,m=t.get(e);if(!a||null===u||0===u.length||o&&!p)o?d(null):function(){c.value!==i&&(c.value=i,c.needsUpdate=r>0);n.numPlanes=r,n.numIntersection=0}();else{const e=o?0:r,t=4*e;let n=m.clippingState||null;c.value=n,n=d(u,s,t,l);for(let e=0;e!==t;++e)n[e]=i[e];m.clippingState=n,this.numIntersection=f?this.numPlanes:0,this.numPlanes+=e}}}const jn=[.125,.215,.35,.446,.526,.582],Zn=20,$n=new P,Qn=new n;let Jn=null,ei=0,ti=0,ni=!1;const ii=new r;class ri{constructor(e){this._renderer=e,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._sizeLods=[],this._sigmas=[],this._lodMeshes=[],this._backgroundBox=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._blurMaterial=null,this._ggxMaterial=null}fromScene(e,t=0,n=.1,i=100,r={}){const{size:a=256,position:o=ii}=r;Jn=this._renderer.getRenderTarget(),ei=this._renderer.getActiveCubeFace(),ti=this._renderer.getActiveMipmapLevel(),ni=this._renderer.xr.enabled,this._renderer.xr.enabled=!1,this._setSize(a);const s=this._allocateTargets();return s.depthBuffer=!0,this._sceneToCubeUV(e,n,i,s,o),t>0&&this._blur(s,0,0,t),this._applyPMREM(s),this._cleanup(s),s}fromEquirectangular(e,t=null){return this._fromTexture(e,t)}fromCubemap(e,t=null){return this._fromTexture(e,t)}compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=li(),this._compileMaterial(this._cubemapMaterial))}compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=si(),this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose(),null!==this._backgroundBox&&(this._backgroundBox.geometry.dispose(),this._backgroundBox.material.dispose())}_setSize(e){this._lodMax=Math.floor(Math.log2(e)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._ggxMaterial&&this._ggxMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let e=0;e<this._lodMeshes.length;e++)this._lodMeshes[e].geometry.dispose()}_cleanup(e){this._renderer.setRenderTarget(Jn,ei,ti),this._renderer.xr.enabled=ni,e.scissorTest=!1,oi(e,0,0,e.width,e.height)}_fromTexture(e,t){e.mapping===R||e.mapping===b?this._setSize(0===e.image.length?16:e.image[0].width||e.image[0].image.width):this._setSize(e.image.width/4),Jn=this._renderer.getRenderTarget(),ei=this._renderer.getActiveCubeFace(),ti=this._renderer.getActiveMipmapLevel(),ni=this._renderer.xr.enabled,this._renderer.xr.enabled=!1;const n=t||this._allocateTargets();return this._textureToCubeUV(e,n),this._applyPMREM(n),this._cleanup(n),n}_allocateTargets(){const e=3*Math.max(this._cubeSize,112),t=4*this._cubeSize,n={magFilter:O,minFilter:O,generateMipmaps:!1,type:S,format:x,colorSpace:F,depthBuffer:!1},i=ai(e,t,n);if(null===this._pingPongRenderTarget||this._pingPongRenderTarget.width!==e||this._pingPongRenderTarget.height!==t){null!==this._pingPongRenderTarget&&this._dispose(),this._pingPongRenderTarget=ai(e,t,n);const{_lodMax:i}=this;({lodMeshes:this._lodMeshes,sizeLods:this._sizeLods,sigmas:this._sigmas}=function(e){const t=[],n=[],i=[];let r=e;const a=e-4+1+jn.length;for(let s=0;s<a;s++){const a=Math.pow(2,r);t.push(a);let l=1/a;s>e-4?l=jn[s-e+4-1]:0===s&&(l=0),n.push(l);const c=1/(a-2),d=-c,u=1+c,f=[d,d,u,d,u,u,d,d,u,u,d,u],p=6,m=6,h=3,_=2,g=1,v=new Float32Array(h*m*p),E=new Float32Array(_*m*p),S=new Float32Array(g*m*p);for(let e=0;e<p;e++){const t=e%3*2/3-1,n=e>2?0:-1,i=[t,n,0,t+2/3,n,0,t+2/3,n+1,0,t,n,0,t+2/3,n+1,0,t,n+1,0];v.set(i,h*m*e),E.set(f,_*m*e);const r=[e,e,e,e,e,e];S.set(r,g*m*e)}const M=new C;M.setAttribute("position",new y(v,h)),M.setAttribute("uv",new y(E,_)),M.setAttribute("faceIndex",new y(S,g)),i.push(new o(M,null)),r>4&&r--}return{lodMeshes:i,sizeLods:t,sigmas:n}}(i)),this._blurMaterial=function(e,t,n){const i=new Float32Array(Zn),a=new r(0,1,0),o=new l({name:"SphericalGaussianBlur",defines:{n:Zn,CUBEUV_TEXEL_WIDTH:1/t,CUBEUV_TEXEL_HEIGHT:1/n,CUBEUV_MAX_MIP:`${e}.0`},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:i},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:a}},vertexShader:ci(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include <cube_uv_reflection_fragment>\n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t",blending:I,depthTest:!1,depthWrite:!1});return o}(i,e,t),this._ggxMaterial=function(e,t,n){const i=new l({name:"PMREMGGXConvolution",defines:{GGX_SAMPLES:256,CUBEUV_TEXEL_WIDTH:1/t,CUBEUV_TEXEL_HEIGHT:1/n,CUBEUV_MAX_MIP:`${e}.0`},uniforms:{envMap:{value:null},roughness:{value:0},mipInt:{value:0}},vertexShader:ci(),fragmentShader:'\n\n\t\t\tprecision highp float;\n\t\t\tprecision highp int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform float roughness;\n\t\t\tuniform float mipInt;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include <cube_uv_reflection_fragment>\n\n\t\t\t#define PI 3.14159265359\n\n\t\t\t// Van der Corput radical inverse\n\t\t\tfloat radicalInverse_VdC(uint bits) {\n\t\t\t\tbits = (bits << 16u) | (bits >> 16u);\n\t\t\t\tbits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u);\n\t\t\t\tbits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u);\n\t\t\t\tbits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u);\n\t\t\t\tbits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u);\n\t\t\t\treturn float(bits) * 2.3283064365386963e-10; // / 0x100000000\n\t\t\t}\n\n\t\t\t// Hammersley sequence\n\t\t\tvec2 hammersley(uint i, uint N) {\n\t\t\t\treturn vec2(float(i) / float(N), radicalInverse_VdC(i));\n\t\t\t}\n\n\t\t\t// GGX VNDF importance sampling (Eric Heitz 2018)\n\t\t\t// "Sampling the GGX Distribution of Visible Normals"\n\t\t\t// https://jcgt.org/published/0007/04/01/\n\t\t\tvec3 importanceSampleGGX_VNDF(vec2 Xi, vec3 V, float roughness) {\n\t\t\t\tfloat alpha = roughness * roughness;\n\n\t\t\t\t// Section 4.1: Orthonormal basis\n\t\t\t\tvec3 T1 = vec3(1.0, 0.0, 0.0);\n\t\t\t\tvec3 T2 = cross(V, T1);\n\n\t\t\t\t// Section 4.2: Parameterization of projected area\n\t\t\t\tfloat r = sqrt(Xi.x);\n\t\t\t\tfloat phi = 2.0 * PI * Xi.y;\n\t\t\t\tfloat t1 = r * cos(phi);\n\t\t\t\tfloat t2 = r * sin(phi);\n\t\t\t\tfloat s = 0.5 * (1.0 + V.z);\n\t\t\t\tt2 = (1.0 - s) * sqrt(1.0 - t1 * t1) + s * t2;\n\n\t\t\t\t// Section 4.3: Reprojection onto hemisphere\n\t\t\t\tvec3 Nh = t1 * T1 + t2 * T2 + sqrt(max(0.0, 1.0 - t1 * t1 - t2 * t2)) * V;\n\n\t\t\t\t// Section 3.4: Transform back to ellipsoid configuration\n\t\t\t\treturn normalize(vec3(alpha * Nh.x, alpha * Nh.y, max(0.0, Nh.z)));\n\t\t\t}\n\n\t\t\tvoid main() {\n\t\t\t\tvec3 N = normalize(vOutputDirection);\n\t\t\t\tvec3 V = N; // Assume view direction equals normal for pre-filtering\n\n\t\t\t\tvec3 prefilteredColor = vec3(0.0);\n\t\t\t\tfloat totalWeight = 0.0;\n\n\t\t\t\t// For very low roughness, just sample the environment directly\n\t\t\t\tif (roughness < 0.001) {\n\t\t\t\t\tgl_FragColor = vec4(bilinearCubeUV(envMap, N, mipInt), 1.0);\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\t// Tangent space basis for VNDF sampling\n\t\t\t\tvec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\n\t\t\t\tvec3 tangent = normalize(cross(up, N));\n\t\t\t\tvec3 bitangent = cross(N, tangent);\n\n\t\t\t\tfor(uint i = 0u; i < uint(GGX_SAMPLES); i++) {\n\t\t\t\t\tvec2 Xi = hammersley(i, uint(GGX_SAMPLES));\n\n\t\t\t\t\t// For PMREM, V = N, so in tangent space V is always (0, 0, 1)\n\t\t\t\t\tvec3 H_tangent = importanceSampleGGX_VNDF(Xi, vec3(0.0, 0.0, 1.0), roughness);\n\n\t\t\t\t\t// Transform H back to world space\n\t\t\t\t\tvec3 H = normalize(tangent * H_tangent.x + bitangent * H_tangent.y + N * H_tangent.z);\n\t\t\t\t\tvec3 L = normalize(2.0 * dot(V, H) * H - V);\n\n\t\t\t\t\tfloat NdotL = max(dot(N, L), 0.0);\n\n\t\t\t\t\tif(NdotL > 0.0) {\n\t\t\t\t\t\t// Sample environment at fixed mip level\n\t\t\t\t\t\t// VNDF importance sampling handles the distribution filtering\n\t\t\t\t\t\tvec3 sampleColor = bilinearCubeUV(envMap, L, mipInt);\n\n\t\t\t\t\t\t// Weight by NdotL for the split-sum approximation\n\t\t\t\t\t\t// VNDF PDF naturally accounts for the visible microfacet distribution\n\t\t\t\t\t\tprefilteredColor += sampleColor * NdotL;\n\t\t\t\t\t\ttotalWeight += NdotL;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tif (totalWeight > 0.0) {\n\t\t\t\t\tprefilteredColor = prefilteredColor / totalWeight;\n\t\t\t\t}\n\n\t\t\t\tgl_FragColor = vec4(prefilteredColor, 1.0);\n\t\t\t}\n\t\t',blending:I,depthTest:!1,depthWrite:!1});return i}(i,e,t)}return i}_compileMaterial(e){const t=new o(new C,e);this._renderer.compile(t,$n)}_sceneToCubeUV(e,t,n,i,r){const a=new L(90,1,t,n),l=[1,-1,1,1,1,1],d=[1,1,1,-1,-1,-1],u=this._renderer,f=u.autoClear,p=u.toneMapping;u.getClearColor(Qn),u.toneMapping=U,u.autoClear=!1;u.state.buffers.depth.getReversed()&&(u.setRenderTarget(i),u.clearDepth(),u.setRenderTarget(null)),null===this._backgroundBox&&(this._backgroundBox=new o(new s,new D({name:"PMREM.Background",side:c,depthWrite:!1,depthTest:!1})));const m=this._backgroundBox,h=m.material;let _=!1;const g=e.background;g?g.isColor&&(h.color.copy(g),e.background=null,_=!0):(h.color.copy(Qn),_=!0);for(let t=0;t<6;t++){const n=t%3;0===n?(a.up.set(0,l[t],0),a.position.set(r.x,r.y,r.z),a.lookAt(r.x+d[t],r.y,r.z)):1===n?(a.up.set(0,0,l[t]),a.position.set(r.x,r.y,r.z),a.lookAt(r.x,r.y+d[t],r.z)):(a.up.set(0,l[t],0),a.position.set(r.x,r.y,r.z),a.lookAt(r.x,r.y,r.z+d[t]));const o=this._cubeSize;oi(i,n*o,t>2?o:0,o,o),u.setRenderTarget(i),_&&u.render(m,a),u.render(e,a)}u.toneMapping=p,u.autoClear=f,e.background=g}_textureToCubeUV(e,t){const n=this._renderer,i=e.mapping===R||e.mapping===b;i?(null===this._cubemapMaterial&&(this._cubemapMaterial=li()),this._cubemapMaterial.uniforms.flipEnvMap.value=!1===e.isRenderTargetTexture?-1:1):null===this._equirectMaterial&&(this._equirectMaterial=si());const r=i?this._cubemapMaterial:this._equirectMaterial,a=this._lodMeshes[0];a.material=r;r.uniforms.envMap.value=e;const o=this._cubeSize;oi(t,0,0,3*o,2*o),n.setRenderTarget(t),n.render(a,$n)}_applyPMREM(e){const t=this._renderer,n=t.autoClear;t.autoClear=!1;const i=this._lodMeshes.length;for(let t=1;t<i;t++)this._applyGGXFilter(e,t-1,t);t.autoClear=n}_applyGGXFilter(e,t,n){const i=this._renderer,r=this._pingPongRenderTarget,a=this._ggxMaterial,o=this._lodMeshes[n];o.material=a;const s=a.uniforms,l=n/(this._lodMeshes.length-1),c=t/(this._lodMeshes.length-1),d=Math.sqrt(l*l-c*c)*(0+1.25*l),{_lodMax:u}=this,f=this._sizeLods[n],p=3*f*(n>u-4?n-u+4:0),m=4*(this._cubeSize-f);s.envMap.value=e.texture,s.roughness.value=d,s.mipInt.value=u-t,oi(r,p,m,3*f,2*f),i.setRenderTarget(r),i.render(o,$n),s.envMap.value=r.texture,s.roughness.value=0,s.mipInt.value=u-n,oi(e,p,m,3*f,2*f),i.setRenderTarget(e),i.render(o,$n)}_blur(e,t,n,i,r){const a=this._pingPongRenderTarget;this._halfBlur(e,a,t,n,i,"latitudinal",r),this._halfBlur(a,e,n,n,i,"longitudinal",r)}_halfBlur(e,t,n,i,r,a,o){const s=this._renderer,l=this._blurMaterial;"latitudinal"!==a&&"longitudinal"!==a&&w("blur direction must be either latitudinal or longitudinal!");const c=this._lodMeshes[i];c.material=l;const d=l.uniforms,u=this._sizeLods[n]-1,f=isFinite(r)?Math.PI/(2*u):2*Math.PI/39,p=r/f,m=isFinite(r)?1+Math.floor(3*p):Zn;m>Zn&&E(`sigmaRadians, ${r}, is too large and will clip, as it requested ${m} samples when the maximum is set to 20`);const h=[];let _=0;for(let e=0;e<Zn;++e){const t=e/p,n=Math.exp(-t*t/2);h.push(n),0===e?_+=n:e<m&&(_+=2*n)}for(let e=0;e<h.length;e++)h[e]=h[e]/_;d.envMap.value=e.texture,d.samples.value=m,d.weights.value=h,d.latitudinal.value="latitudinal"===a,o&&(d.poleAxis.value=o);const{_lodMax:g}=this;d.dTheta.value=f,d.mipInt.value=g-n;const v=this._sizeLods[i];oi(t,3*v*(i>g-4?i-g+4:0),4*(this._cubeSize-v),3*v,2*v),s.setRenderTarget(t),s.render(c,$n)}}function ai(e,t,n){const i=new N(e,t,n);return i.texture.mapping=a,i.texture.name="PMREM.cubeUv",i.scissorTest=!0,i}function oi(e,t,n,i,r){e.viewport.set(t,n,i,r),e.scissor.set(t,n,i,r)}function si(){return new l({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null}},vertexShader:ci(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\n\t\t\t#include <common>\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tgl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 );\n\n\t\t\t}\n\t\t",blending:I,depthTest:!1,depthWrite:!1})}function li(){return new l({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},flipEnvMap:{value:-1}},vertexShader:ci(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tuniform float flipEnvMap;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) );\n\n\t\t\t}\n\t\t",blending:I,depthTest:!1,depthWrite:!1})}function ci(){return"\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t"}class di extends N{constructor(e=1,t={}){super(e,e,t),this.isWebGLCubeRenderTarget=!0;const n={width:e,height:e,depth:1},i=[n,n,n,n,n,n];this.texture=new B(i),this._setTextureOptions(t),this.texture.isRenderTargetTexture=!0}fromEquirectangularTexture(e,t){this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const n={uniforms:{tEquirect:{value:null}},vertexShader:"\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include <begin_vertex>\n\t\t\t\t\t#include <project_vertex>\n\n\t\t\t\t}\n\t\t\t",fragmentShader:"\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include <common>\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t"},i=new s(5,5,5),r=new l({name:"CubemapFromEquirect",uniforms:d(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:c,blending:I});r.uniforms.tEquirect.value=t;const a=new o(i,r),u=t.minFilter;t.minFilter===G&&(t.minFilter=O);return new H(1,10,this).update(e,a),t.minFilter=u,a.geometry.dispose(),a.material.dispose(),this}clear(e,t=!0,n=!0,i=!0){const r=e.getRenderTarget();for(let r=0;r<6;r++)e.setRenderTarget(this,r),e.clear(t,n,i);e.setRenderTarget(r)}}function ui(e){let t=new WeakMap,n=new WeakMap,i=null;function r(e,t){return t===V?e.mapping=R:t===W&&(e.mapping=b),e}function a(e){const n=e.target;n.removeEventListener("dispose",a);const i=t.get(n);void 0!==i&&(t.delete(n),i.dispose())}function o(e){const t=e.target;t.removeEventListener("dispose",o);const i=n.get(t);void 0!==i&&(n.delete(t),i.dispose())}return{get:function(s,l=!1){return null==s?null:l?function(t){if(t&&t.isTexture){const r=t.mapping,a=r===V||r===W,s=r===R||r===b;if(a||s){let r=n.get(t);const l=void 0!==r?r.texture.pmremVersion:0;if(t.isRenderTargetTexture&&t.pmremVersion!==l)return null===i&&(i=new ri(e)),r=a?i.fromEquirectangular(t,r):i.fromCubemap(t,r),r.texture.pmremVersion=t.pmremVersion,n.set(t,r),r.texture;if(void 0!==r)return r.texture;{const l=t.image;return a&&l&&l.height>0||s&&l&&function(e){let t=0;const n=6;for(let i=0;i<n;i++)void 0!==e[i]&&t++;return t===n}(l)?(null===i&&(i=new ri(e)),r=a?i.fromEquirectangular(t):i.fromCubemap(t),r.texture.pmremVersion=t.pmremVersion,n.set(t,r),t.addEventListener("dispose",o),r.texture):null}}}return t}(s):function(n){if(n&&n.isTexture){const i=n.mapping;if(i===V||i===W){if(t.has(n)){return r(t.get(n).texture,n.mapping)}{const i=n.image;if(i&&i.height>0){const o=new di(i.height);return o.fromEquirectangularTexture(e,n),t.set(n,o),n.addEventListener("dispose",a),r(o.texture,n.mapping)}return null}}}return n}(s)},dispose:function(){t=new WeakMap,n=new WeakMap,null!==i&&(i.dispose(),i=null)}}}function fi(e){const t={};function n(n){if(void 0!==t[n])return t[n];const i=e.getExtension(n);return t[n]=i,i}return{has:function(e){return null!==n(e)},init:function(){n("EXT_color_buffer_float"),n("WEBGL_clip_cull_distance"),n("OES_texture_float_linear"),n("EXT_color_buffer_half_float"),n("WEBGL_multisampled_render_to_texture"),n("WEBGL_render_shared_exponent")},get:function(e){const t=n(e);return null===t&&z("WebGLRenderer: "+e+" extension not supported."),t}}}function pi(e,t,n,i){const r={},a=new WeakMap;function o(e){const s=e.target;null!==s.index&&t.remove(s.index);for(const e in s.attributes)t.remove(s.attributes[e]);s.removeEventListener("dispose",o),delete r[s.id];const l=a.get(s);l&&(t.remove(l),a.delete(s)),i.releaseStatesOfGeometry(s),!0===s.isInstancedBufferGeometry&&delete s._maxInstanceCount,n.memory.geometries--}function s(e){const n=[],i=e.index,r=e.attributes.position;let o=0;if(void 0===r)return;if(null!==i){const e=i.array;o=i.version;for(let t=0,i=e.length;t<i;t+=3){const i=e[t+0],r=e[t+1],a=e[t+2];n.push(i,r,r,a,a,i)}}else{const e=r.array;o=r.version;for(let t=0,i=e.length/3-1;t<i;t+=3){const e=t+0,i=t+1,r=t+2;n.push(e,i,i,r,r,e)}}const s=new(r.count>=65535?k:X)(n,1);s.version=o;const l=a.get(e);l&&t.remove(l),a.set(e,s)}return{get:function(e,t){return!0===r[t.id]||(t.addEventListener("dispose",o),r[t.id]=!0,n.memory.geometries++),t},update:function(n){const i=n.attributes;for(const n in i)t.update(i[n],e.ARRAY_BUFFER)},getWireframeAttribute:function(e){const t=a.get(e);if(t){const n=e.index;null!==n&&t.version<n.version&&s(e)}else s(e);return a.get(e)}}}function mi(e,t,n){let i,r,a;function o(t,o,s){0!==s&&(e.drawElementsInstanced(i,o,r,t*a,s),n.update(o,i,s))}this.setMode=function(e){i=e},this.setIndex=function(e){r=e.type,a=e.bytesPerElement},this.render=function(t,o){e.drawElements(i,o,r,t*a),n.update(o,i,1)},this.renderInstances=o,this.renderMultiDraw=function(e,a,o){if(0===o)return;t.get("WEBGL_multi_draw").multiDrawElementsWEBGL(i,a,0,r,e,0,o);let s=0;for(let e=0;e<o;e++)s+=a[e];n.update(s,i,1)},this.renderMultiDrawInstances=function(e,s,l,c){if(0===l)return;const d=t.get("WEBGL_multi_draw");if(null===d)for(let t=0;t<e.length;t++)o(e[t]/a,s[t],c[t]);else{d.multiDrawElementsInstancedWEBGL(i,s,0,r,e,0,c,0,l);let t=0;for(let e=0;e<l;e++)t+=s[e]*c[e];n.update(t,i,1)}}}function hi(e){const t={frame:0,calls:0,triangles:0,points:0,lines:0};return{memory:{geometries:0,textures:0},render:t,programs:null,autoReset:!0,reset:function(){t.calls=0,t.triangles=0,t.points=0,t.lines=0},update:function(n,i,r){switch(t.calls++,i){case e.TRIANGLES:t.triangles+=r*(n/3);break;case e.LINES:t.lines+=r*(n/2);break;case e.LINE_STRIP:t.lines+=r*(n-1);break;case e.LINE_LOOP:t.lines+=r*n;break;case e.POINTS:t.points+=r*n;break;default:w("WebGLInfo: Unknown draw mode:",i)}}}}function _i(e,n,i){const r=new WeakMap,a=new Y;return{update:function(o,s,l){const c=o.morphTargetInfluences,d=s.morphAttributes.position||s.morphAttributes.normal||s.morphAttributes.color,u=void 0!==d?d.length:0;let f=r.get(s);if(void 0===f||f.count!==u){void 0!==f&&f.texture.dispose();const p=void 0!==s.morphAttributes.position,m=void 0!==s.morphAttributes.normal,h=void 0!==s.morphAttributes.color,_=s.morphAttributes.position||[],g=s.morphAttributes.normal||[],v=s.morphAttributes.color||[];let E=0;!0===p&&(E=1),!0===m&&(E=2),!0===h&&(E=3);let S=s.attributes.position.count*E,M=1;S>n.maxTextureSize&&(M=Math.ceil(S/n.maxTextureSize),S=n.maxTextureSize);const x=new Float32Array(S*M*4*u),A=new K(x,S,M,u);A.type=T,A.needsUpdate=!0;const R=4*E;for(let C=0;C<u;C++){const P=_[C],L=g[C],U=v[C],D=S*M*4*C;for(let w=0;w<P.count;w++){const I=w*R;!0===p&&(a.fromBufferAttribute(P,w),x[D+I+0]=a.x,x[D+I+1]=a.y,x[D+I+2]=a.z,x[D+I+3]=0),!0===m&&(a.fromBufferAttribute(L,w),x[D+I+4]=a.x,x[D+I+5]=a.y,x[D+I+6]=a.z,x[D+I+7]=0),!0===h&&(a.fromBufferAttribute(U,w),x[D+I+8]=a.x,x[D+I+9]=a.y,x[D+I+10]=a.z,x[D+I+11]=4===U.itemSize?a.w:1)}}function b(){A.dispose(),r.delete(s),s.removeEventListener("dispose",b)}f={count:u,texture:A,size:new t(S,M)},r.set(s,f),s.addEventListener("dispose",b)}if(!0===o.isInstancedMesh&&null!==o.morphTexture)l.getUniforms().setValue(e,"morphTexture",o.morphTexture,i);else{let N=0;for(let F=0;F<c.length;F++)N+=c[F];const y=s.morphTargetsRelative?1:1-N;l.getUniforms().setValue(e,"morphTargetBaseInfluence",y),l.getUniforms().setValue(e,"morphTargetInfluences",c)}l.getUniforms().setValue(e,"morphTargetsTexture",f.texture,i),l.getUniforms().setValue(e,"morphTargetsTextureSize",f.size)}}}function gi(e,t,n,i,r){let a=new WeakMap;function o(e){const t=e.target;t.removeEventListener("dispose",o),i.releaseStatesOfObject(t),n.remove(t.instanceMatrix),null!==t.instanceColor&&n.remove(t.instanceColor)}return{update:function(i){const s=r.render.frame,l=i.geometry,c=t.get(i,l);if(a.get(c)!==s&&(t.update(c),a.set(c,s)),i.isInstancedMesh&&(!1===i.hasEventListener("dispose",o)&&i.addEventListener("dispose",o),a.get(i)!==s&&(n.update(i.instanceMatrix,e.ARRAY_BUFFER),null!==i.instanceColor&&n.update(i.instanceColor,e.ARRAY_BUFFER),a.set(i,s))),i.isSkinnedMesh){const e=i.skeleton;a.get(e)!==s&&(e.update(),a.set(e,s))}return c},dispose:function(){a=new WeakMap}}}const vi={[ne]:"LINEAR_TONE_MAPPING",[te]:"REINHARD_TONE_MAPPING",[ee]:"CINEON_TONE_MAPPING",[J]:"ACES_FILMIC_TONE_MAPPING",[Q]:"AGX_TONE_MAPPING",[$]:"NEUTRAL_TONE_MAPPING",[Z]:"CUSTOM_TONE_MAPPING"};function Ei(e,t,n,i,r){const a=new N(t,n,{type:e,depthBuffer:i,stencilBuffer:r}),s=new N(t,n,{type:S,depthBuffer:!1,stencilBuffer:!1}),l=new C;l.setAttribute("position",new q([-1,3,0,-1,-1,0,3,-1,0],3)),l.setAttribute("uv",new q([0,2,0,0,2,0],2));const c=new j({uniforms:{tDiffuse:{value:null}},vertexShader:"\n\t\t\tprecision highp float;\n\n\t\t\tuniform mat4 modelViewMatrix;\n\t\t\tuniform mat4 projectionMatrix;\n\n\t\t\tattribute vec3 position;\n\t\t\tattribute vec2 uv;\n\n\t\t\tvarying vec2 vUv;\n\n\t\t\tvoid main() {\n\t\t\t\tvUv = uv;\n\t\t\t\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\t\t\t}",fragmentShader:"\n\t\t\tprecision highp float;\n\n\t\t\tuniform sampler2D tDiffuse;\n\n\t\t\tvarying vec2 vUv;\n\n\t\t\t#include <tonemapping_pars_fragment>\n\t\t\t#include <colorspace_pars_fragment>\n\n\t\t\tvoid main() {\n\t\t\t\tgl_FragColor = texture2D( tDiffuse, vUv );\n\n\t\t\t\t#ifdef LINEAR_TONE_MAPPING\n\t\t\t\t\tgl_FragColor.rgb = LinearToneMapping( gl_FragColor.rgb );\n\t\t\t\t#elif defined( REINHARD_TONE_MAPPING )\n\t\t\t\t\tgl_FragColor.rgb = ReinhardToneMapping( gl_FragColor.rgb );\n\t\t\t\t#elif defined( CINEON_TONE_MAPPING )\n\t\t\t\t\tgl_FragColor.rgb = CineonToneMapping( gl_FragColor.rgb );\n\t\t\t\t#elif defined( ACES_FILMIC_TONE_MAPPING )\n\t\t\t\t\tgl_FragColor.rgb = ACESFilmicToneMapping( gl_FragColor.rgb );\n\t\t\t\t#elif defined( AGX_TONE_MAPPING )\n\t\t\t\t\tgl_FragColor.rgb = AgXToneMapping( gl_FragColor.rgb );\n\t\t\t\t#elif defined( NEUTRAL_TONE_MAPPING )\n\t\t\t\t\tgl_FragColor.rgb = NeutralToneMapping( gl_FragColor.rgb );\n\t\t\t\t#elif defined( CUSTOM_TONE_MAPPING )\n\t\t\t\t\tgl_FragColor.rgb = CustomToneMapping( gl_FragColor.rgb );\n\t\t\t\t#endif\n\n\t\t\t\t#ifdef 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0!==t.x)n[0]===t.x&&n[1]===t.y&&n[2]===t.z&&n[3]===t.w||(e.uniform4ui(this.addr,t.x,t.y,t.z,t.w),n[0]=t.x,n[1]=t.y,n[2]=t.z,n[3]=t.w);else{if(Di(n,t))return;e.uniform4uiv(this.addr,t),wi(n,t)}}function ji(e,t,n){const i=this.cache,r=n.allocateTextureUnit();let a;i[0]!==r&&(e.uniform1i(this.addr,r),i[0]=r),this.type===e.SAMPLER_2D_SHADOW?(Mi.compareFunction=n.isReversedDepthBuffer()?re:ae,a=Mi):a=Si,n.setTexture2D(t||a,r)}function Zi(e,t,n){const i=this.cache,r=n.allocateTextureUnit();i[0]!==r&&(e.uniform1i(this.addr,r),i[0]=r),n.setTexture3D(t||xi,r)}function $i(e,t,n){const i=this.cache,r=n.allocateTextureUnit();i[0]!==r&&(e.uniform1i(this.addr,r),i[0]=r),n.setTextureCube(t||Ai,r)}function Qi(e,t,n){const i=this.cache,r=n.allocateTextureUnit();i[0]!==r&&(e.uniform1i(this.addr,r),i[0]=r),n.setTexture2DArray(t||Ti,r)}function Ji(e,t){e.uniform1fv(this.addr,t)}function er(e,t){const n=Ui(t,this.size,2);e.uniform2fv(this.addr,n)}function tr(e,t){const n=Ui(t,this.size,3);e.uniform3fv(this.addr,n)}function nr(e,t){const n=Ui(t,this.size,4);e.uniform4fv(this.addr,n)}function ir(e,t){const n=Ui(t,this.size,4);e.uniformMatrix2fv(this.addr,!1,n)}function rr(e,t){const n=Ui(t,this.size,9);e.uniformMatrix3fv(this.addr,!1,n)}function ar(e,t){const n=Ui(t,this.size,16);e.uniformMatrix4fv(this.addr,!1,n)}function or(e,t){e.uniform1iv(this.addr,t)}function sr(e,t){e.uniform2iv(this.addr,t)}function lr(e,t){e.uniform3iv(this.addr,t)}function cr(e,t){e.uniform4iv(this.addr,t)}function dr(e,t){e.uniform1uiv(this.addr,t)}function ur(e,t){e.uniform2uiv(this.addr,t)}function fr(e,t){e.uniform3uiv(this.addr,t)}function pr(e,t){e.uniform4uiv(this.addr,t)}function mr(e,t,n){const i=this.cache,r=t.length,a=Ii(n,r);let o;Di(i,a)||(e.uniform1iv(this.addr,a),wi(i,a)),o=this.type===e.SAMPLER_2D_SHADOW?Mi:Si;for(let e=0;e!==r;++e)n.setTexture2D(t[e]||o,a[e])}function hr(e,t,n){const i=this.cache,r=t.length,a=Ii(n,r);Di(i,a)||(e.uniform1iv(this.addr,a),wi(i,a));for(let e=0;e!==r;++e)n.setTexture3D(t[e]||xi,a[e])}function _r(e,t,n){const i=this.cache,r=t.length,a=Ii(n,r);Di(i,a)||(e.uniform1iv(this.addr,a),wi(i,a));for(let e=0;e!==r;++e)n.setTextureCube(t[e]||Ai,a[e])}function gr(e,t,n){const i=this.cache,r=t.length,a=Ii(n,r);Di(i,a)||(e.uniform1iv(this.addr,a),wi(i,a));for(let e=0;e!==r;++e)n.setTexture2DArray(t[e]||Ti,a[e])}class vr{constructor(e,t,n){this.id=e,this.addr=n,this.cache=[],this.type=t.type,this.setValue=function(e){switch(e){case 5126:return Ni;case 35664:return yi;case 35665:return Fi;case 35666:return Oi;case 35674:return Bi;case 35675:return Gi;case 35676:return Hi;case 5124:case 35670:return Vi;case 35667:case 35671:return Wi;case 35668:case 35672:return zi;case 35669:case 35673:return ki;case 5125:return Xi;case 36294:return Yi;case 36295:return Ki;case 36296:return qi;case 35678:case 36198:case 36298:case 36306:case 35682:return ji;case 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r=0,a=i.length;r!==a;++r){const a=i[r];a.setValue(e,t[a.id],n)}}}const Mr=/(\w+)(\])?(\[|\.)?/g;function Tr(e,t){e.seq.push(t),e.map[t.id]=t}function xr(e,t,n){const i=e.name,r=i.length;for(Mr.lastIndex=0;;){const a=Mr.exec(i),o=Mr.lastIndex;let s=a[1];const l="]"===a[2],c=a[3];if(l&&(s|=0),void 0===c||"["===c&&o+2===r){Tr(n,void 0===c?new vr(s,e,t):new Er(s,e,t));break}{let e=n.map[s];void 0===e&&(e=new Sr(s),Tr(n,e)),n=e}}}class Ar{constructor(e,t){this.seq=[],this.map={};const n=e.getProgramParameter(t,e.ACTIVE_UNIFORMS);for(let i=0;i<n;++i){const n=e.getActiveUniform(t,i);xr(n,e.getUniformLocation(t,n.name),this)}const i=[],r=[];for(const t of this.seq)t.type===e.SAMPLER_2D_SHADOW||t.type===e.SAMPLER_CUBE_SHADOW||t.type===e.SAMPLER_2D_ARRAY_SHADOW?i.push(t):r.push(t);i.length>0&&(this.seq=i.concat(r))}setValue(e,t,n,i){const r=this.map[t];void 0!==r&&r.setValue(e,n,i)}setOptional(e,t,n){const i=t[n];void 0!==i&&this.setValue(e,n,i)}static upload(e,t,n,i){for(let 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Use "%s" instead.',t,e)}return Br(n)}const Vr=/#pragma unroll_loop_start\s+for\s*\(\s*int\s+i\s*=\s*(\d+)\s*;\s*i\s*<\s*(\d+)\s*;\s*i\s*\+\+\s*\)\s*{([\s\S]+?)}\s+#pragma unroll_loop_end/g;function Wr(e){return e.replace(Vr,zr)}function zr(e,t,n,i){let r="";for(let e=parseInt(t);e<parseInt(n);e++)r+=i.replace(/\[\s*i\s*\]/g,"[ "+e+" ]").replace(/UNROLLED_LOOP_INDEX/g,e);return r}function kr(e){let t=`precision ${e.precision} float;\n\tprecision ${e.precision} int;\n\tprecision ${e.precision} sampler2D;\n\tprecision ${e.precision} samplerCube;\n\tprecision ${e.precision} sampler3D;\n\tprecision ${e.precision} sampler2DArray;\n\tprecision ${e.precision} sampler2DShadow;\n\tprecision ${e.precision} samplerCubeShadow;\n\tprecision ${e.precision} sampler2DArrayShadow;\n\tprecision ${e.precision} isampler2D;\n\tprecision ${e.precision} isampler3D;\n\tprecision ${e.precision} isamplerCube;\n\tprecision ${e.precision} isampler2DArray;\n\tprecision ${e.precision} usampler2D;\n\tprecision 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USE_SHEEN_COLORMAP":"",n.sheenRoughnessMap?"#define USE_SHEEN_ROUGHNESSMAP":"",n.mapUv?"#define MAP_UV "+n.mapUv:"",n.alphaMapUv?"#define ALPHAMAP_UV "+n.alphaMapUv:"",n.lightMapUv?"#define LIGHTMAP_UV "+n.lightMapUv:"",n.aoMapUv?"#define AOMAP_UV "+n.aoMapUv:"",n.emissiveMapUv?"#define EMISSIVEMAP_UV "+n.emissiveMapUv:"",n.bumpMapUv?"#define BUMPMAP_UV "+n.bumpMapUv:"",n.normalMapUv?"#define NORMALMAP_UV "+n.normalMapUv:"",n.displacementMapUv?"#define DISPLACEMENTMAP_UV "+n.displacementMapUv:"",n.metalnessMapUv?"#define METALNESSMAP_UV "+n.metalnessMapUv:"",n.roughnessMapUv?"#define ROUGHNESSMAP_UV "+n.roughnessMapUv:"",n.anisotropyMapUv?"#define ANISOTROPYMAP_UV "+n.anisotropyMapUv:"",n.clearcoatMapUv?"#define CLEARCOATMAP_UV "+n.clearcoatMapUv:"",n.clearcoatNormalMapUv?"#define CLEARCOAT_NORMALMAP_UV "+n.clearcoatNormalMapUv:"",n.clearcoatRoughnessMapUv?"#define CLEARCOAT_ROUGHNESSMAP_UV "+n.clearcoatRoughnessMapUv:"",n.iridescenceMapUv?"#define IRIDESCENCEMAP_UV 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USE_IRIDESCENCEMAP":"",n.iridescenceThicknessMap?"#define USE_IRIDESCENCE_THICKNESSMAP":"",n.specularMap?"#define USE_SPECULARMAP":"",n.specularColorMap?"#define USE_SPECULAR_COLORMAP":"",n.specularIntensityMap?"#define USE_SPECULAR_INTENSITYMAP":"",n.roughnessMap?"#define USE_ROUGHNESSMAP":"",n.metalnessMap?"#define USE_METALNESSMAP":"",n.alphaMap?"#define USE_ALPHAMAP":"",n.alphaTest?"#define USE_ALPHATEST":"",n.alphaHash?"#define USE_ALPHAHASH":"",n.sheen?"#define USE_SHEEN":"",n.sheenColorMap?"#define USE_SHEEN_COLORMAP":"",n.sheenRoughnessMap?"#define USE_SHEEN_ROUGHNESSMAP":"",n.transmission?"#define USE_TRANSMISSION":"",n.transmissionMap?"#define USE_TRANSMISSIONMAP":"",n.thicknessMap?"#define USE_THICKNESSMAP":"",n.vertexTangents&&!1===n.flatShading?"#define USE_TANGENT":"",n.vertexColors||n.instancingColor?"#define USE_COLOR":"",n.vertexAlphas||n.batchingColor?"#define USE_COLOR_ALPHA":"",n.vertexUv1s?"#define USE_UV1":"",n.vertexUv2s?"#define USE_UV2":"",n.vertexUv3s?"#define USE_UV3":"",n.pointsUvs?"#define USE_POINTS_UV":"",n.gradientMap?"#define USE_GRADIENTMAP":"",n.flatShading?"#define FLAT_SHADED":"",n.doubleSided?"#define DOUBLE_SIDED":"",n.flipSided?"#define FLIP_SIDED":"",n.shadowMapEnabled?"#define USE_SHADOWMAP":"",n.shadowMapEnabled?"#define "+l:"",n.premultipliedAlpha?"#define PREMULTIPLIED_ALPHA":"",n.numLightProbes>0?"#define USE_LIGHT_PROBES":"",n.decodeVideoTexture?"#define DECODE_VIDEO_TEXTURE":"",n.decodeVideoTextureEmissive?"#define DECODE_VIDEO_TEXTURE_EMISSIVE":"",n.logarithmicDepthBuffer?"#define USE_LOGARITHMIC_DEPTH_BUFFER":"",n.reversedDepthBuffer?"#define USE_REVERSED_DEPTH_BUFFER":"","uniform mat4 viewMatrix;","uniform vec3 cameraPosition;","uniform bool isOrthographic;",n.toneMapping!==U?"#define TONE_MAPPING":"",n.toneMapping!==U?Bn.tonemapping_pars_fragment:"",n.toneMapping!==U?Dr("toneMapping",n.toneMapping):"",n.dithering?"#define DITHERING":"",n.opaque?"#define 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S=v+_+o,M=v+g+s,T=Rr(r,r.VERTEX_SHADER,S),x=Rr(r,r.FRAGMENT_SHADER,M);function A(t){if(e.debug.checkShaderErrors){const n=r.getProgramInfoLog(h)||"",i=r.getShaderInfoLog(T)||"",a=r.getShaderInfoLog(x)||"",o=n.trim(),s=i.trim(),l=a.trim();let c=!0,d=!0;if(!1===r.getProgramParameter(h,r.LINK_STATUS))if(c=!1,"function"==typeof e.debug.onShaderError)e.debug.onShaderError(r,h,T,x);else{const e=Pr(r,T,"vertex"),n=Pr(r,x,"fragment");w("THREE.WebGLProgram: Shader Error "+r.getError()+" - VALIDATE_STATUS "+r.getProgramParameter(h,r.VALIDATE_STATUS)+"\n\nMaterial Name: "+t.name+"\nMaterial Type: "+t.type+"\n\nProgram Info Log: "+o+"\n"+e+"\n"+n)}else""!==o?E("WebGLProgram: Program Info Log:",o):""!==s&&""!==l||(d=!1);d&&(t.diagnostics={runnable:c,programLog:o,vertexShader:{log:s,prefix:_},fragmentShader:{log:l,prefix:g}})}r.deleteShader(T),r.deleteShader(x),R=new Ar(r,h),b=function(e,t){const n={},i=e.getProgramParameter(t,e.ACTIVE_ATTRIBUTES);for(let r=0;r<i;r++){const 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Map}update(e){const t=e.vertexShader,n=e.fragmentShader,i=this._getShaderStage(t),r=this._getShaderStage(n),a=this._getShaderCacheForMaterial(e);return!1===a.has(i)&&(a.add(i),i.usedTimes++),!1===a.has(r)&&(a.add(r),r.usedTimes++),this}remove(e){const t=this.materialCache.get(e);for(const e of t)e.usedTimes--,0===e.usedTimes&&this.shaderCache.delete(e.code);return this.materialCache.delete(e),this}getVertexShaderID(e){return this._getShaderStage(e.vertexShader).id}getFragmentShaderID(e){return this._getShaderStage(e.fragmentShader).id}dispose(){this.shaderCache.clear(),this.materialCache.clear()}_getShaderCacheForMaterial(e){const t=this.materialCache;let n=t.get(e);return void 0===n&&(n=new Set,t.set(e,n)),n}_getShaderStage(e){const t=this.shaderCache;let n=t.get(e);return void 0===n&&(n=new Qr(e),t.set(e,n)),n}}class Qr{constructor(e){this.id=Zr++,this.code=e,this.usedTimes=0}}function Jr(e,t,n,i,r,o){const s=new Se,l=new $r,d=new Set,u=[],f=new Map,h=i.logarithmicDepthBuffer;let 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P=T.morphAttributes.position||T.morphAttributes.normal||T.morphAttributes.color,L=void 0!==P?P.length:0;let D,w,I,N,y=0;if(void 0!==T.morphAttributes.position&&(y=1),void 0!==T.morphAttributes.normal&&(y=2),void 0!==T.morphAttributes.color&&(y=3),C){const e=Hn[C];D=e.vertexShader,w=e.fragmentShader}else D=r.vertexShader,w=r.fragmentShader,l.update(r),I=l.getVertexShaderID(r),N=l.getFragmentShaderID(r);const 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e.UNSIGNED_INT;if(n===T)return e.FLOAT;if(n===S)return e.HALF_FLOAT;if(n===yt)return e.ALPHA;if(n===Ft)return e.RGB;if(n===x)return e.RGBA;if(n===be)return e.DEPTH_COMPONENT;if(n===At)return e.DEPTH_STENCIL;if(n===Ot)return e.RED;if(n===Bt)return e.RED_INTEGER;if(n===Me)return e.RG;if(n===Gt)return e.RG_INTEGER;if(n===Ht)return e.RGBA_INTEGER;if(n===Vt||n===Wt||n===zt||n===kt)if(a===m){if(r=t.get("WEBGL_compressed_texture_s3tc_srgb"),null===r)return null;if(n===Vt)return r.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(n===Wt)return r.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(n===zt)return r.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(n===kt)return r.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(r=t.get("WEBGL_compressed_texture_s3tc"),null===r)return null;if(n===Vt)return r.COMPRESSED_RGB_S3TC_DXT1_EXT;if(n===Wt)return r.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(n===zt)return r.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(n===kt)return r.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(n===Xt||n===Yt||n===Kt||n===qt){if(r=t.get("WEBGL_compressed_texture_pvrtc"),null===r)return null;if(n===Xt)return r.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(n===Yt)return r.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(n===Kt)return r.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(n===qt)return r.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(n===jt||n===Zt||n===$t||n===Qt||n===Jt||n===en||n===tn){if(r=t.get("WEBGL_compressed_texture_etc"),null===r)return null;if(n===jt||n===Zt)return a===m?r.COMPRESSED_SRGB8_ETC2:r.COMPRESSED_RGB8_ETC2;if(n===$t)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:r.COMPRESSED_RGBA8_ETC2_EAC;if(n===Qt)return r.COMPRESSED_R11_EAC;if(n===Jt)return r.COMPRESSED_SIGNED_R11_EAC;if(n===en)return r.COMPRESSED_RG11_EAC;if(n===tn)return r.COMPRESSED_SIGNED_RG11_EAC}if(n===nn||n===rn||n===an||n===on||n===sn||n===ln||n===cn||n===dn||n===un||n===fn||n===pn||n===mn||n===hn||n===_n){if(r=t.get("WEBGL_compressed_texture_astc"),null===r)return null;if(n===nn)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:r.COMPRESSED_RGBA_ASTC_4x4_KHR;if(n===rn)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:r.COMPRESSED_RGBA_ASTC_5x4_KHR;if(n===an)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:r.COMPRESSED_RGBA_ASTC_5x5_KHR;if(n===on)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:r.COMPRESSED_RGBA_ASTC_6x5_KHR;if(n===sn)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:r.COMPRESSED_RGBA_ASTC_6x6_KHR;if(n===ln)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:r.COMPRESSED_RGBA_ASTC_8x5_KHR;if(n===cn)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:r.COMPRESSED_RGBA_ASTC_8x6_KHR;if(n===dn)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:r.COMPRESSED_RGBA_ASTC_8x8_KHR;if(n===un)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:r.COMPRESSED_RGBA_ASTC_10x5_KHR;if(n===fn)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:r.COMPRESSED_RGBA_ASTC_10x6_KHR;if(n===pn)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:r.COMPRESSED_RGBA_ASTC_10x8_KHR;if(n===mn)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:r.COMPRESSED_RGBA_ASTC_10x10_KHR;if(n===hn)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:r.COMPRESSED_RGBA_ASTC_12x10_KHR;if(n===_n)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:r.COMPRESSED_RGBA_ASTC_12x12_KHR}if(n===gn||n===vn||n===En){if(r=t.get("EXT_texture_compression_bptc"),null===r)return null;if(n===gn)return a===m?r.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:r.COMPRESSED_RGBA_BPTC_UNORM_EXT;if(n===vn)return r.COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT;if(n===En)return r.COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT}if(n===Sn||n===Mn||n===Tn||n===xn){if(r=t.get("EXT_texture_compression_rgtc"),null===r)return null;if(n===Sn)return r.COMPRESSED_RED_RGTC1_EXT;if(n===Mn)return r.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(n===Tn)return r.COMPRESSED_RED_GREEN_RGTC2_EXT;if(n===xn)return r.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}return n===bt?e.UNSIGNED_INT_24_8:void 0!==e[n]?e[n]:null}}}class Ma{constructor(){this.texture=null,this.mesh=null,this.depthNear=0,this.depthFar=0}init(e,t){if(null===this.texture){const n=new An(e.texture);e.depthNear===t.depthNear&&e.depthFar===t.depthFar||(this.depthNear=e.depthNear,this.depthFar=e.depthFar),this.texture=n}}getMesh(e){if(null!==this.texture&&null===this.mesh){const t=e.cameras[0].viewport,n=new l({vertexShader:"\nvoid main() {\n\n\tgl_Position = vec4( position, 1.0 );\n\n}",fragmentShader:"\nuniform sampler2DArray depthColor;\nuniform float depthWidth;\nuniform float depthHeight;\n\nvoid main() {\n\n\tvec2 coord = vec2( gl_FragCoord.x / depthWidth, gl_FragCoord.y / depthHeight );\n\n\tif ( coord.x >= 1.0 ) {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x - 1.0, coord.y, 1 ) ).r;\n\n\t} else {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x, coord.y, 0 ) 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B(){a.removeEventListener("select",O),a.removeEventListener("selectstart",O),a.removeEventListener("selectend",O),a.removeEventListener("squeeze",O),a.removeEventListener("squeezestart",O),a.removeEventListener("squeezeend",O),a.removeEventListener("end",B),a.removeEventListener("inputsourceschange",G);for(let e=0;e<R.length;e++){const t=b[e];null!==t&&(b[e]=null,R[e].disconnect(t))}y=null,F=null,g.reset();for(const e in v)delete v[e];e.setRenderTarget(T),m=null,p=null,f=null,a=null,A=null,k.stop(),i.isPresenting=!1,e.setPixelRatio(P),e.setSize(C.width,C.height,!1),i.dispatchEvent({type:"sessionend"})}function G(e){for(let t=0;t<e.removed.length;t++){const n=e.removed[t],i=b.indexOf(n);i>=0&&(b[i]=null,R[i].disconnect(n))}for(let t=0;t<e.added.length;t++){const n=e.added[t];let i=b.indexOf(n);if(-1===i){for(let e=0;e<R.length;e++){if(e>=b.length){b.push(n),i=e;break}if(null===b[e]){b[e]=n,i=e;break}}if(-1===i)break}const r=R[i];r&&r.connect(n)}}this.cameraAutoUpdate=!0,this.enabled=!1,this.isPresenting=!1,this.getController=function(e){let t=R[e];return void 0===t&&(t=new Cn,R[e]=t),t.getTargetRaySpace()},this.getControllerGrip=function(e){let t=R[e];return void 0===t&&(t=new Cn,R[e]=t),t.getGripSpace()},this.getHand=function(e){let t=R[e];return void 0===t&&(t=new Cn,R[e]=t),t.getHandSpace()},this.setFramebufferScaleFactor=function(e){o=e,!0===i.isPresenting&&E("WebXRManager: Cannot change framebuffer scale while presenting.")},this.setReferenceSpaceType=function(e){l=e,!0===i.isPresenting&&E("WebXRManager: Cannot change reference space type while presenting.")},this.getReferenceSpace=function(){return d||s},this.setReferenceSpace=function(e){d=e},this.getBaseLayer=function(){return null!==p?p:m},this.getBinding=function(){return null===f&&_&&(f=new XRWebGLBinding(a,n)),f},this.getFrame=function(){return h},this.getSession=function(){return a},this.setSession=async function(t){if(a=t,null!==a){T=e.getRenderTarget(),a.addEventListener("select",O),a.addEventListener("selectstart",O),a.addEventListener("selectend",O),a.addEventListener("squeeze",O),a.addEventListener("squeezestart",O),a.addEventListener("squeezeend",O),a.addEventListener("end",B),a.addEventListener("inputsourceschange",G),!0!==S.xrCompatible&&await n.makeXRCompatible(),P=e.getPixelRatio(),e.getSize(C);if(_&&"createProjectionLayer"in XRWebGLBinding.prototype){let t=null,i=null,r=null;S.depth&&(r=S.stencil?n.DEPTH24_STENCIL8:n.DEPTH_COMPONENT24,t=S.stencil?At:be,i=S.stencil?bt:Le);const s={colorFormat:n.RGBA8,depthFormat:r,scaleFactor:o};f=this.getBinding(),p=f.createProjectionLayer(s),a.updateRenderState({layers:[p]}),e.setPixelRatio(1),e.setSize(p.textureWidth,p.textureHeight,!1),A=new N(p.textureWidth,p.textureHeight,{format:x,type:M,depthTexture:new oe(p.textureWidth,p.textureHeight,i,void 0,void 0,void 0,void 0,void 0,void 0,t),stencilBuffer:S.stencil,colorSpace:e.outputColorSpace,samples:S.antialias?4:0,resolveDepthBuffer:!1===p.ignoreDepthValues,resolveStencilBuffer:!1===p.ignoreDepthValues})}else{const t={antialias:S.antialias,alpha:!0,depth:S.depth,stencil:S.stencil,framebufferScaleFactor:o};m=new XRWebGLLayer(a,n,t),a.updateRenderState({baseLayer:m}),e.setPixelRatio(1),e.setSize(m.framebufferWidth,m.framebufferHeight,!1),A=new N(m.framebufferWidth,m.framebufferHeight,{format:x,type:M,colorSpace:e.outputColorSpace,stencilBuffer:S.stencil,resolveDepthBuffer:!1===m.ignoreDepthValues,resolveStencilBuffer:!1===m.ignoreDepthValues})}A.isXRRenderTarget=!0,this.setFoveation(c),d=null,s=await a.requestReferenceSpace(l),k.setContext(a),k.start(),i.isPresenting=!0,i.dispatchEvent({type:"sessionstart"})}},this.getEnvironmentBlendMode=function(){if(null!==a)return a.environmentBlendMode},this.getDepthTexture=function(){return g.getDepthTexture()};const H=new r,V=new r;function W(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}this.updateCamera=function(e){if(null===a)return;let t=e.near,n=e.far;null!==g.texture&&(g.depthNear>0&&(t=g.depthNear),g.depthFar>0&&(n=g.depthFar)),I.near=D.near=U.near=t,I.far=D.far=U.far=n,y===I.near&&F===I.far||(a.updateRenderState({depthNear:I.near,depthFar:I.far}),y=I.near,F=I.far),I.layers.mask=6|e.layers.mask,U.layers.mask=-5&I.layers.mask,D.layers.mask=-3&I.layers.mask;const i=e.parent,r=I.cameras;W(I,i);for(let e=0;e<r.length;e++)W(r[e],i);2===r.length?function(e,t,n){H.setFromMatrixPosition(t.matrixWorld),V.setFromMatrixPosition(n.matrixWorld);const i=H.distanceTo(V),r=t.projectionMatrix.elements,a=n.projectionMatrix.elements,o=r[14]/(r[10]-1),s=r[14]/(r[10]+1),l=(r[9]+1)/r[5],c=(r[9]-1)/r[5],d=(r[8]-1)/r[0],u=(a[8]+1)/a[0],f=o*d,p=o*u,m=i/(-d+u),h=m*-d;if(t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(h),e.translateZ(m),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert(),-1===r[10])e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse);else{const t=o+m,n=s+m,r=f-h,a=p+(i-h),d=l*s/n*t,u=c*s/n*t;e.projectionMatrix.makePerspective(r,a,d,u,t,n),e.projectionMatrixInverse.copy(e.projectionMatrix).invert()}}(I,U,D):I.projectionMatrix.copy(U.projectionMatrix),function(e,t,n){null===n?e.matrix.copy(t.matrixWorld):(e.matrix.copy(n.matrixWorld),e.matrix.invert(),e.matrix.multiply(t.matrixWorld));e.matrix.decompose(e.position,e.quaternion,e.scale),e.updateMatrixWorld(!0),e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse),e.isPerspectiveCamera&&(e.fov=2*Pn*Math.atan(1/e.projectionMatrix.elements[5]),e.zoom=1)}(e,I,i)},this.getCamera=function(){return I},this.getFoveation=function(){if(null!==p||null!==m)return c},this.setFoveation=function(e){c=e,null!==p&&(p.fixedFoveation=e),null!==m&&void 0!==m.fixedFoveation&&(m.fixedFoveation=e)},this.hasDepthSensing=function(){return null!==g.texture},this.getDepthSensingMesh=function(){return g.getMesh(I)},this.getCameraTexture=function(e){return v[e]};let z=null;const k=new Fn;k.setAnimationLoop(function(t,n){if(u=n.getViewerPose(d||s),h=n,null!==u){const t=u.views;null!==m&&(e.setRenderTargetFramebuffer(A,m.framebuffer),e.setRenderTarget(A));let n=!1;t.length!==I.cameras.length&&(I.cameras.length=0,n=!0);for(let i=0;i<t.length;i++){const r=t[i];let a=null;if(null!==m)a=m.getViewport(r);else{const t=f.getViewSubImage(p,r);a=t.viewport,0===i&&(e.setRenderTargetTextures(A,t.colorTexture,t.depthStencilTexture),e.setRenderTarget(A))}let o=w[i];void 0===o&&(o=new L,o.layers.enable(i),o.viewport=new Y,w[i]=o),o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.quaternion,o.scale),o.projectionMatrix.fromArray(r.projectionMatrix),o.projectionMatrixInverse.copy(o.projectionMatrix).invert(),o.viewport.set(a.x,a.y,a.width,a.height),0===i&&(I.matrix.copy(o.matrix),I.matrix.decompose(I.position,I.quaternion,I.scale)),!0===n&&I.cameras.push(o)}const r=a.enabledFeatures;if(r&&r.includes("depth-sensing")&&"gpu-optimized"==a.depthUsage&&_){f=i.getBinding();const e=f.getDepthInformation(t[0]);e&&e.isValid&&e.texture&&g.init(e,a.renderState)}if(r&&r.includes("camera-access")&&_){e.state.unbindTexture(),f=i.getBinding();for(let e=0;e<t.length;e++){const n=t[e].camera;if(n){let e=v[n];e||(e=new An,v[n]=e);const t=f.getCameraImage(n);e.sourceTexture=t}}}}for(let e=0;e<R.length;e++){const t=b[e],i=R[e];null!==t&&void 0!==i&&i.update(t,n,d||s)}z&&z(t,n),n.detectedPlanes&&i.dispatchEvent({type:"planesdetected",data:n}),h=null}),this.setAnimationLoop=function(e){z=e},this.dispose=function(){}}}const xa=new u,Aa=new f;function Ra(e,t){function n(e,t){!0===e.matrixAutoUpdate&&e.updateMatrix(),t.value.copy(e.matrix)}function i(e,i){e.opacity.value=i.opacity,i.color&&e.diffuse.value.copy(i.color),i.emissive&&e.emissive.value.copy(i.emissive).multiplyScalar(i.emissiveIntensity),i.map&&(e.map.value=i.map,n(i.map,e.mapTransform)),i.alphaMap&&(e.alphaMap.value=i.alphaMap,n(i.alphaMap,e.alphaMapTransform)),i.bumpMap&&(e.bumpMap.value=i.bumpMap,n(i.bumpMap,e.bumpMapTransform),e.bumpScale.value=i.bumpScale,i.side===c&&(e.bumpScale.value*=-1)),i.normalMap&&(e.normalMap.value=i.normalMap,n(i.normalMap,e.normalMapTransform),e.normalScale.value.copy(i.normalScale),i.side===c&&e.normalScale.value.negate()),i.displacementMap&&(e.displacementMap.value=i.displacementMap,n(i.displacementMap,e.displacementMapTransform),e.displacementScale.value=i.displacementScale,e.displacementBias.value=i.displacementBias),i.emissiveMap&&(e.emissiveMap.value=i.emissiveMap,n(i.emissiveMap,e.emissiveMapTransform)),i.specularMap&&(e.specularMap.value=i.specularMap,n(i.specularMap,e.specularMapTransform)),i.alphaTest>0&&(e.alphaTest.value=i.alphaTest);const r=t.get(i),a=r.envMap,o=r.envMapRotation;a&&(e.envMap.value=a,xa.copy(o),xa.x*=-1,xa.y*=-1,xa.z*=-1,a.isCubeTexture&&!1===a.isRenderTargetTexture&&(xa.y*=-1,xa.z*=-1),e.envMapRotation.value.setFromMatrix4(Aa.makeRotationFromEuler(xa)),e.flipEnvMap.value=a.isCubeTexture&&!1===a.isRenderTargetTexture?-1:1,e.reflectivity.value=i.reflectivity,e.ior.value=i.ior,e.refractionRatio.value=i.refractionRatio),i.lightMap&&(e.lightMap.value=i.lightMap,e.lightMapIntensity.value=i.lightMapIntensity,n(i.lightMap,e.lightMapTransform)),i.aoMap&&(e.aoMap.value=i.aoMap,e.aoMapIntensity.value=i.aoMapIntensity,n(i.aoMap,e.aoMapTransform))}return{refreshFogUniforms:function(t,n){n.color.getRGB(t.fogColor.value,g(e)),n.isFog?(t.fogNear.value=n.near,t.fogFar.value=n.far):n.isFogExp2&&(t.fogDensity.value=n.density)},refreshMaterialUniforms:function(e,r,a,o,s){r.isMeshBasicMaterial?i(e,r):r.isMeshLambertMaterial?(i(e,r),r.envMap&&(e.envMapIntensity.value=r.envMapIntensity)):r.isMeshToonMaterial?(i(e,r),function(e,t){t.gradientMap&&(e.gradientMap.value=t.gradientMap)}(e,r)):r.isMeshPhongMaterial?(i(e,r),function(e,t){e.specular.value.copy(t.specular),e.shininess.value=Math.max(t.shininess,1e-4)}(e,r),r.envMap&&(e.envMapIntensity.value=r.envMapIntensity)):r.isMeshStandardMaterial?(i(e,r),function(e,t){e.metalness.value=t.metalness,t.metalnessMap&&(e.metalnessMap.value=t.metalnessMap,n(t.metalnessMap,e.metalnessMapTransform));e.roughness.value=t.roughness,t.roughnessMap&&(e.roughnessMap.value=t.roughnessMap,n(t.roughnessMap,e.roughnessMapTransform));t.envMap&&(e.envMapIntensity.value=t.envMapIntensity)}(e,r),r.isMeshPhysicalMaterial&&function(e,t,i){e.ior.value=t.ior,t.sheen>0&&(e.sheenColor.value.copy(t.sheenColor).multiplyScalar(t.sheen),e.sheenRoughness.value=t.sheenRoughness,t.sheenColorMap&&(e.sheenColorMap.value=t.sheenColorMap,n(t.sheenColorMap,e.sheenColorMapTransform)),t.sheenRoughnessMap&&(e.sheenRoughnessMap.value=t.sheenRoughnessMap,n(t.sheenRoughnessMap,e.sheenRoughnessMapTransform)));t.clearcoat>0&&(e.clearcoat.value=t.clearcoat,e.clearcoatRoughness.value=t.clearcoatRoughness,t.clearcoatMap&&(e.clearcoatMap.value=t.clearcoatMap,n(t.clearcoatMap,e.clearcoatMapTransform)),t.clearcoatRoughnessMap&&(e.clearcoatRoughnessMap.value=t.clearcoatRoughnessMap,n(t.clearcoatRoughnessMap,e.clearcoatRoughnessMapTransform)),t.clearcoatNormalMap&&(e.clearcoatNormalMap.value=t.clearcoatNormalMap,n(t.clearcoatNormalMap,e.clearcoatNormalMapTransform),e.clearcoatNormalScale.value.copy(t.clearcoatNormalScale),t.side===c&&e.clearcoatNormalScale.value.negate()));t.dispersion>0&&(e.dispersion.value=t.dispersion);t.iridescence>0&&(e.iridescence.value=t.iridescence,e.iridescenceIOR.value=t.iridescenceIOR,e.iridescenceThicknessMinimum.value=t.iridescenceThicknessRange[0],e.iridescenceThicknessMaximum.value=t.iridescenceThicknessRange[1],t.iridescenceMap&&(e.iridescenceMap.value=t.iridescenceMap,n(t.iridescenceMap,e.iridescenceMapTransform)),t.iridescenceThicknessMap&&(e.iridescenceThicknessMap.value=t.iridescenceThicknessMap,n(t.iridescenceThicknessMap,e.iridescenceThicknessMapTransform)));t.transmission>0&&(e.transmission.value=t.transmission,e.transmissionSamplerMap.value=i.texture,e.transmissionSamplerSize.value.set(i.width,i.height),t.transmissionMap&&(e.transmissionMap.value=t.transmissionMap,n(t.transmissionMap,e.transmissionMapTransform)),e.thickness.value=t.thickness,t.thicknessMap&&(e.thicknessMap.value=t.thicknessMap,n(t.thicknessMap,e.thicknessMapTransform)),e.attenuationDistance.value=t.attenuationDistance,e.attenuationColor.value.copy(t.attenuationColor));t.anisotropy>0&&(e.anisotropyVector.value.set(t.anisotropy*Math.cos(t.anisotropyRotation),t.anisotropy*Math.sin(t.anisotropyRotation)),t.anisotropyMap&&(e.anisotropyMap.value=t.anisotropyMap,n(t.anisotropyMap,e.anisotropyMapTransform)));e.specularIntensity.value=t.specularIntensity,e.specularColor.value.copy(t.specularColor),t.specularColorMap&&(e.specularColorMap.value=t.specularColorMap,n(t.specularColorMap,e.specularColorMapTransform));t.specularIntensityMap&&(e.specularIntensityMap.value=t.specularIntensityMap,n(t.specularIntensityMap,e.specularIntensityMapTransform))}(e,r,s)):r.isMeshMatcapMaterial?(i(e,r),function(e,t){t.matcap&&(e.matcap.value=t.matcap)}(e,r)):r.isMeshDepthMaterial?i(e,r):r.isMeshDistanceMaterial?(i(e,r),function(e,n){const 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a=t.fog,o=i.isMeshStandardMaterial||i.isMeshLambertMaterial||i.isMeshPhongMaterial?t.environment:null,s=null===k?B.outputColorSpace:!0===k.isXRRenderTarget?k.texture.colorSpace:F,l=i.isMeshStandardMaterial||i.isMeshLambertMaterial&&!i.envMap||i.isMeshPhongMaterial&&!i.envMap,c=Re.get(i.envMap||o,l),d=!0===i.vertexColors&&!!n.attributes.color&&4===n.attributes.color.itemSize,u=!!n.attributes.tangent&&(!!i.normalMap||i.anisotropy>0),f=!!n.morphAttributes.position,p=!!n.morphAttributes.normal,m=!!n.morphAttributes.color;let h=U;i.toneMapped&&(null!==k&&!0!==k.isXRRenderTarget||(h=B.toneMapping));const _=n.morphAttributes.position||n.morphAttributes.normal||n.morphAttributes.color,g=void 0!==_?_.length:0,v=xe.get(i),E=L.state.lights;if(!0===le&&(!0===ce||e!==K)){const t=e===K&&i.id===X;Ne.setState(i,e,t)}let 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0===v.numClippingPlanes||v.numClippingPlanes===Ne.numPlanes&&v.numIntersection===Ne.numIntersection?(v.vertexAlphas!==d||v.vertexTangents!==u||v.morphTargets!==f||v.morphNormals!==p||v.morphColors!==m||v.toneMapping!==h||v.morphTargetsCount!==g)&&(M=!0):M=!0:M=!0:M=!0:M=!0:(M=!0,v.__version=i.version);let T=v.currentProgram;!0===M&&(T=st(i,t,r));let x=!1,A=!1,R=!1;const b=T.getUniforms(),C=v.uniforms;Ee.useProgram(T.program)&&(x=!0,A=!0,R=!0);i.id!==X&&(X=i.id,A=!0);if(x||K!==e){Ee.buffers.depth.getReversed()&&!0!==e.reversedDepth&&(e._reversedDepth=!0,e.updateProjectionMatrix()),b.setValue(ze,"projectionMatrix",e.projectionMatrix),b.setValue(ze,"viewMatrix",e.matrixWorldInverse);const t=b.map.cameraPosition;void 0!==t&&t.setValue(ze,ue.setFromMatrixPosition(e.matrixWorld)),ve.logarithmicDepthBuffer&&b.setValue(ze,"logDepthBufFC",2/(Math.log(e.far+1)/Math.LN2)),(i.isMeshPhongMaterial||i.isMeshToonMaterial||i.isMeshLambertMaterial||i.isMeshBasicMaterial||i.isMeshStandardMaterial||i.isShaderMaterial)&&b.setValue(ze,"isOrthographic",!0===e.isOrthographicCamera),K!==e&&(K=e,A=!0,R=!0)}v.needsLights&&(E.state.directionalShadowMap.length>0&&b.setValue(ze,"directionalShadowMap",E.state.directionalShadowMap,Ae),E.state.spotShadowMap.length>0&&b.setValue(ze,"spotShadowMap",E.state.spotShadowMap,Ae),E.state.pointShadowMap.length>0&&b.setValue(ze,"pointShadowMap",E.state.pointShadowMap,Ae));if(r.isSkinnedMesh){b.setOptional(ze,r,"bindMatrix"),b.setOptional(ze,r,"bindMatrixInverse");const e=r.skeleton;e&&(null===e.boneTexture&&e.computeBoneTexture(),b.setValue(ze,"boneTexture",e.boneTexture,Ae))}r.isBatchedMesh&&(b.setOptional(ze,r,"batchingTexture"),b.setValue(ze,"batchingTexture",r._matricesTexture,Ae),b.setOptional(ze,r,"batchingIdTexture"),b.setValue(ze,"batchingIdTexture",r._indirectTexture,Ae),b.setOptional(ze,r,"batchingColorTexture"),null!==r._colorsTexture&&b.setValue(ze,"batchingColorTexture",r._colorsTexture,Ae));const P=n.morphAttributes;void 0===P.position&&void 0===P.normal&&void 0===P.color||Oe.update(r,n,T);(A||v.receiveShadow!==r.receiveShadow)&&(v.receiveShadow=r.receiveShadow,b.setValue(ze,"receiveShadow",r.receiveShadow));(i.isMeshStandardMaterial||i.isMeshLambertMaterial||i.isMeshPhongMaterial)&&null===i.envMap&&null!==t.environment&&(C.envMapIntensity.value=t.environmentIntensity);void 0!==C.dfgLUT&&(C.dfgLUT.value=(null===Pa&&(Pa=new 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D,w;i.isShaderMaterial&&!0===i.uniformsNeedUpdate&&(Ar.upload(ze,lt(v),C,Ae),i.uniformsNeedUpdate=!1);i.isSpriteMaterial&&b.setValue(ze,"center",r.center);if(b.setValue(ze,"modelViewMatrix",r.modelViewMatrix),b.setValue(ze,"normalMatrix",r.normalMatrix),b.setValue(ze,"modelMatrix",r.matrixWorld),i.isShaderMaterial||i.isRawShaderMaterial){const e=i.uniformsGroups;for(let t=0,n=e.length;t<n;t++){const n=e[t];We.update(n,T),We.bind(n,T)}}return T}(e,t,n,i,r);Ee.setMaterial(i,o);let l=n.index,c=1;if(!0===i.wireframe){if(l=Ce.getWireframeAttribute(n),void 0===l)return;c=2}const d=n.drawRange,u=n.attributes.position;let f=d.start*c,p=(d.start+d.count)*c;null!==a&&(f=Math.max(f,a.start*c),p=Math.min(p,(a.start+a.count)*c)),null!==l?(f=Math.max(f,0),p=Math.min(p,l.count)):null!=u&&(f=Math.max(f,0),p=Math.min(p,u.count));const m=p-f;if(m<0||m===1/0)return;let h;Ve.setup(r,i,s,n,l);let _=Be;if(null!==l&&(h=be.get(l),_=Ge,_.setIndex(h)),r.isMesh)!0===i.wireframe?(Ee.setLineWidth(i.wireframeLinewidth*he()),_.setMode(ze.LINES)):_.setMode(ze.TRIANGLES);else if(r.isLine){let e=i.linewidth;void 0===e&&(e=1),Ee.setLineWidth(e*he()),r.isLineSegments?_.setMode(ze.LINES):r.isLineLoop?_.setMode(ze.LINE_LOOP):_.setMode(ze.LINE_STRIP)}else r.isPoints?_.setMode(ze.POINTS):r.isSprite&&_.setMode(ze.TRIANGLES);if(r.isBatchedMesh)if(null!==r._multiDrawInstances)z("WebGLRenderer: renderMultiDrawInstances has been deprecated and will be removed in r184. 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_.render(f,m)},this.compile=function(e,t,n=null){null===n&&(n=e),L=Ie.get(n),L.init(t),I.push(L),n.traverseVisible(function(e){e.isLight&&e.layers.test(t.layers)&&(L.pushLight(e),e.castShadow&&L.pushShadow(e))}),e!==n&&e.traverseVisible(function(e){e.isLight&&e.layers.test(t.layers)&&(L.pushLight(e),e.castShadow&&L.pushShadow(e))}),L.setupLights();const i=new Set;return e.traverse(function(e){if(!(e.isMesh||e.isPoints||e.isLine||e.isSprite))return;const t=e.material;if(t)if(Array.isArray(t))for(let r=0;r<t.length;r++){const a=t[r];$e(a,n,e),i.add(a)}else $e(t,n,e),i.add(t)}),L=I.pop(),i},this.compileAsync=function(e,t,n=null){const i=this.compile(e,t,n);return new Promise(t=>{function n(){i.forEach(function(e){xe.get(e).currentProgram.isReady()&&i.delete(e)}),0!==i.size?setTimeout(n,10):t(e)}null!==ge.get("KHR_parallel_shader_compile")?n():setTimeout(n,10)})};let Qe=null;function Je(){tt.stop()}function et(){tt.start()}const tt=new Fn;function nt(e,t,n,i){if(!1===e.visible)return;if(e.layers.test(t.layers))if(e.isGroup)n=e.renderOrder;else if(e.isLOD)!0===e.autoUpdate&&e.update(t);else if(e.isLight)L.pushLight(e),e.castShadow&&L.pushShadow(e);else if(e.isSprite){if(!e.frustumCulled||se.intersectsSprite(e)){i&&fe.setFromMatrixPosition(e.matrixWorld).applyMatrix4(de);const t=Pe.update(e),r=e.material;r.visible&&P.push(e,t,r,n,fe.z,null)}}else if((e.isMesh||e.isLine||e.isPoints)&&(!e.frustumCulled||se.intersectsObject(e))){const t=Pe.update(e),r=e.material;if(i&&(void 0!==e.boundingSphere?(null===e.boundingSphere&&e.computeBoundingSphere(),fe.copy(e.boundingSphere.center)):(null===t.boundingSphere&&t.computeBoundingSphere(),fe.copy(t.boundingSphere.center)),fe.applyMatrix4(e.matrixWorld).applyMatrix4(de)),Array.isArray(r)){const i=t.groups;for(let a=0,o=i.length;a<o;a++){const o=i[a],s=r[o.materialIndex];s&&s.visible&&P.push(e,t,s,n,fe.z,o)}}else r.visible&&P.push(e,t,r,n,fe.z,null)}const r=e.children;for(let 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s=B.getRenderTarget(),l=B.getActiveCubeFace(),d=B.getActiveMipmapLevel();B.setRenderTarget(r),B.getClearColor($),Q=B.getClearAlpha(),Q<1&&B.setClearColor(16777215,.5),B.clear(),me&&Fe.render(n);const u=B.toneMapping;B.toneMapping=U;const f=i.viewport;if(void 0!==i.viewport&&(i.viewport=void 0),L.setupLightsView(i),!0===le&&Ne.setGlobalState(B.clippingPlanes,i),at(e,n,i),Ae.updateMultisampleRenderTarget(r),Ae.updateRenderTargetMipmap(r),!1===ge.has("WEBGL_multisampled_render_to_texture")){let e=!1;for(let r=0,a=t.length;r<a;r++){const a=t[r],{object:o,geometry:s,material:l,group:d}=a;if(l.side===_e&&o.layers.test(i.layers)){const t=l.side;l.side=c,l.needsUpdate=!0,ot(o,n,i,s,l,d),l.side=t,l.needsUpdate=!0,e=!0}}!0===e&&(Ae.updateMultisampleRenderTarget(r),Ae.updateRenderTargetMipmap(r))}B.setRenderTarget(s,l,d),B.setClearColor($,Q),void 0!==f&&(i.viewport=f),B.toneMapping=u}function at(e,t,n){const i=!0===t.isScene?t.overrideMaterial:null;for(let r=0,a=e.length;r<a;r++){const a=e[r],{object:o,geometry:s,group:l}=a;let c=a.material;!0===c.allowOverride&&null!==i&&(c=i),o.layers.test(n.layers)&&ot(o,t,n,s,c,l)}}function ot(e,t,n,i,r,a){e.onBeforeRender(B,t,n,i,r,a),e.modelViewMatrix.multiplyMatrices(n.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix),r.onBeforeRender(B,t,n,i,e,a),!0===r.transparent&&r.side===_e&&!1===r.forceSinglePass?(r.side=c,r.needsUpdate=!0,B.renderBufferDirect(n,t,i,r,e,a),r.side=_,r.needsUpdate=!0,B.renderBufferDirect(n,t,i,r,e,a),r.side=_e):B.renderBufferDirect(n,t,i,r,e,a),e.onAfterRender(B,t,n,i,r,a)}function st(e,t,n){!0!==t.isScene&&(t=pe);const i=xe.get(e),r=L.state.lights,a=L.state.shadowsArray,o=r.state.version,s=Ue.getParameters(e,r.state,a,t,n),l=Ue.getProgramCacheKey(s);let c=i.programs;i.environment=e.isMeshStandardMaterial||e.isMeshLambertMaterial||e.isMeshPhongMaterial?t.environment:null,i.fog=t.fog;const d=e.isMeshStandardMaterial||e.isMeshLambertMaterial&&!e.envMap||e.isMeshPhongMaterial&&!e.envMap;i.envMap=Re.get(e.envMap||i.environment,d),i.envMapRotation=null!==i.environment&&null===e.envMap?t.environmentRotation:e.envMapRotation,void 0===c&&(e.addEventListener("dispose",Ze),c=new Map,i.programs=c);let u=c.get(l);if(void 0!==u){if(i.currentProgram===u&&i.lightsStateVersion===o)return ct(e,s),u}else s.uniforms=Ue.getUniforms(e),e.onBeforeCompile(s,B),u=Ue.acquireProgram(s,l),c.set(l,u),i.uniforms=s.uniforms;const f=i.uniforms;return(e.isShaderMaterial||e.isRawShaderMaterial)&&!0!==e.clipping||(f.clippingPlanes=Ne.uniform),ct(e,s),i.needsLights=function(e){return 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t=e.currentProgram.getUniforms();e.uniformsList=Ar.seqWithValue(t.seq,e.uniforms)}return e.uniformsList}function ct(e,t){const n=xe.get(e);n.outputColorSpace=t.outputColorSpace,n.batching=t.batching,n.batchingColor=t.batchingColor,n.instancing=t.instancing,n.instancingColor=t.instancingColor,n.instancingMorph=t.instancingMorph,n.skinning=t.skinning,n.morphTargets=t.morphTargets,n.morphNormals=t.morphNormals,n.morphColors=t.morphColors,n.morphTargetsCount=t.morphTargetsCount,n.numClippingPlanes=t.numClippingPlanes,n.numIntersection=t.numClipIntersection,n.vertexAlphas=t.vertexAlphas,n.vertexTangents=t.vertexTangents,n.toneMapping=t.toneMapping}tt.setAnimationLoop(function(e){Qe&&Qe(e)}),"undefined"!=typeof self&&tt.setContext(self),this.setAnimationLoop=function(e){Qe=e,Ye.setAnimationLoop(e),null===e?tt.stop():tt.start()},Ye.addEventListener("sessionstart",Je),Ye.addEventListener("sessionend",et),this.render=function(e,t){if(void 0!==t&&!0!==t.isCamera)return void w("WebGLRenderer.render: camera is not an instance of THREE.Camera.");if(!0===H)return;const n=!0===Ye.enabled&&!0===Ye.isPresenting,i=null!==y&&(null===k||n)&&y.begin(B,k);if(!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),null===t.parent&&!0===t.matrixWorldAutoUpdate&&t.updateMatrixWorld(),!0!==Ye.enabled||!0!==Ye.isPresenting||null!==y&&!1!==y.isCompositing()||(!0===Ye.cameraAutoUpdate&&Ye.updateCamera(t),t=Ye.getCamera()),!0===e.isScene&&e.onBeforeRender(B,e,t,k),L=Ie.get(e,I.length),L.init(t),I.push(L),de.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),se.setFromProjectionMatrix(de,Nn,t.reversedDepth),ce=this.localClippingEnabled,le=Ne.init(this.clippingPlanes,ce),P=we.get(e,D.length),P.init(),D.push(P),!0===Ye.enabled&&!0===Ye.isPresenting){const e=B.xr.getDepthSensingMesh();null!==e&&nt(e,t,-1/0,B.sortObjects)}nt(e,t,0,B.sortObjects),P.finish(),!0===B.sortObjects&&P.sort(ne,ie),me=!1===Ye.enabled||!1===Ye.isPresenting||!1===Ye.hasDepthSensing(),me&&Fe.addToRenderList(P,e),this.info.render.frame++,!0===le&&Ne.beginShadows();const r=L.state.shadowsArray;ye.render(r,e,t),!0===le&&Ne.endShadows(),!0===this.info.autoReset&&this.info.reset();if(!1===(i&&y.hasRenderPass())){const n=P.opaque,i=P.transmissive;if(L.setupLights(),t.isArrayCamera){const r=t.cameras;if(i.length>0)for(let t=0,a=r.length;t<a;t++){rt(n,i,e,r[t])}me&&Fe.render(e);for(let t=0,n=r.length;t<n;t++){const n=r[t];it(P,e,n,n.viewport)}}else i.length>0&&rt(n,i,e,t),me&&Fe.render(e),it(P,e,t)}null!==k&&0===W&&(Ae.updateMultisampleRenderTarget(k),Ae.updateRenderTargetMipmap(k)),i&&y.end(B),!0===e.isScene&&e.onAfterRender(B,e,t),Ve.resetDefaultState(),X=-1,K=null,I.pop(),I.length>0?(L=I[I.length-1],!0===le&&Ne.setGlobalState(B.clippingPlanes,L.state.camera)):L=null,D.pop(),P=D.length>0?D[D.length-1]:null},this.getActiveCubeFace=function(){return V},this.getActiveMipmapLevel=function(){return W},this.getRenderTarget=function(){return k},this.setRenderTargetTextures=function(e,t,n){const i=xe.get(e);i.__autoAllocateDepthBuffer=!1===e.resolveDepthBuffer,!1===i.__autoAllocateDepthBuffer&&(i.__useRenderToTexture=!1),xe.get(e.texture).__webglTexture=t,xe.get(e.depthTexture).__webglTexture=i.__autoAllocateDepthBuffer?void 0:n,i.__hasExternalTextures=!0},this.setRenderTargetFramebuffer=function(e,t){const n=xe.get(e);n.__webglFramebuffer=t,n.__useDefaultFramebuffer=void 0===t};const dt=ze.createFramebuffer();this.setRenderTarget=function(e,t=0,n=0){k=e,V=t,W=n;let i=null,r=!1,a=!1;if(e){const o=xe.get(e);if(void 0!==o.__useDefaultFramebuffer)return Ee.bindFramebuffer(ze.FRAMEBUFFER,o.__webglFramebuffer),q.copy(e.viewport),j.copy(e.scissor),Z=e.scissorTest,Ee.viewport(q),Ee.scissor(j),Ee.setScissorTest(Z),void(X=-1);if(void 0===o.__webglFramebuffer)Ae.setupRenderTarget(e);else if(o.__hasExternalTextures)Ae.rebindTextures(e,xe.get(e.texture).__webglTexture,xe.get(e.depthTexture).__webglTexture);else if(e.depthBuffer){const t=e.depthTexture;if(o.__boundDepthTexture!==t){if(null!==t&&xe.has(t)&&(e.width!==t.image.width||e.height!==t.image.height))throw new Error("WebGLRenderTarget: Attached DepthTexture is initialized to the incorrect size.");Ae.setupDepthRenderbuffer(e)}}const s=e.texture;(s.isData3DTexture||s.isDataArrayTexture||s.isCompressedArrayTexture)&&(a=!0);const l=xe.get(e).__webglFramebuffer;e.isWebGLCubeRenderTarget?(i=Array.isArray(l[t])?l[t][n]:l[t],r=!0):i=e.samples>0&&!1===Ae.useMultisampledRTT(e)?xe.get(e).__webglMultisampledFramebuffer:Array.isArray(l)?l[n]:l,q.copy(e.viewport),j.copy(e.scissor),Z=e.scissorTest}else q.copy(re).multiplyScalar(te).floor(),j.copy(ae).multiplyScalar(te).floor(),Z=oe;0!==n&&(i=dt);if(Ee.bindFramebuffer(ze.FRAMEBUFFER,i)&&Ee.drawBuffers(e,i),Ee.viewport(q),Ee.scissor(j),Ee.setScissorTest(Z),r){const i=xe.get(e.texture);ze.framebufferTexture2D(ze.FRAMEBUFFER,ze.COLOR_ATTACHMENT0,ze.TEXTURE_CUBE_MAP_POSITIVE_X+t,i.__webglTexture,n)}else if(a){const i=t;for(let t=0;t<e.textures.length;t++){const r=xe.get(e.textures[t]);ze.framebufferTextureLayer(ze.FRAMEBUFFER,ze.COLOR_ATTACHMENT0+t,r.__webglTexture,n,i)}}else if(null!==e&&0!==n){const t=xe.get(e.texture);ze.framebufferTexture2D(ze.FRAMEBUFFER,ze.COLOR_ATTACHMENT0,ze.TEXTURE_2D,t.__webglTexture,n)}X=-1},this.readRenderTargetPixels=function(e,t,n,i,r,a,o,s=0){if(!e||!e.isWebGLRenderTarget)return void w("WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let l=xe.get(e).__webglFramebuffer;if(e.isWebGLCubeRenderTarget&&void 0!==o&&(l=l[o]),l){Ee.bindFramebuffer(ze.FRAMEBUFFER,l);try{const o=e.textures[s],l=o.format,c=o.type;if(e.textures.length>1&&ze.readBuffer(ze.COLOR_ATTACHMENT0+s),!ve.textureFormatReadable(l))return void w("WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");if(!ve.textureTypeReadable(c))return void w("WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");t>=0&&t<=e.width-i&&n>=0&&n<=e.height-r&&ze.readPixels(t,n,i,r,He.convert(l),He.convert(c),a)}finally{const e=null!==k?xe.get(k).__webglFramebuffer:null;Ee.bindFramebuffer(ze.FRAMEBUFFER,e)}}},this.readRenderTargetPixelsAsync=async function(e,t,n,i,r,a,o,s=0){if(!e||!e.isWebGLRenderTarget)throw new Error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let l=xe.get(e).__webglFramebuffer;if(e.isWebGLCubeRenderTarget&&void 0!==o&&(l=l[o]),l){if(t>=0&&t<=e.width-i&&n>=0&&n<=e.height-r){Ee.bindFramebuffer(ze.FRAMEBUFFER,l);const o=e.textures[s],c=o.format,d=o.type;if(e.textures.length>1&&ze.readBuffer(ze.COLOR_ATTACHMENT0+s),!ve.textureFormatReadable(c))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in RGBA or implementation defined format.");if(!ve.textureTypeReadable(d))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in UnsignedByteType or implementation defined type.");const u=ze.createBuffer();ze.bindBuffer(ze.PIXEL_PACK_BUFFER,u),ze.bufferData(ze.PIXEL_PACK_BUFFER,a.byteLength,ze.STREAM_READ),ze.readPixels(t,n,i,r,He.convert(c),He.convert(d),0);const f=null!==k?xe.get(k).__webglFramebuffer:null;Ee.bindFramebuffer(ze.FRAMEBUFFER,f);const p=ze.fenceSync(ze.SYNC_GPU_COMMANDS_COMPLETE,0);return ze.flush(),await yn(ze,p,4),ze.bindBuffer(ze.PIXEL_PACK_BUFFER,u),ze.getBufferSubData(ze.PIXEL_PACK_BUFFER,0,a),ze.deleteBuffer(u),ze.deleteSync(p),a}throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: requested read bounds are out of range.")}},this.copyFramebufferToTexture=function(e,t=null,n=0){const i=Math.pow(2,-n),r=Math.floor(e.image.width*i),a=Math.floor(e.image.height*i),o=null!==t?t.x:0,s=null!==t?t.y:0;Ae.setTexture2D(e,0),ze.copyTexSubImage2D(ze.TEXTURE_2D,n,0,0,o,s,r,a),Ee.unbindTexture()};const ut=ze.createFramebuffer(),pt=ze.createFramebuffer();this.copyTextureToTexture=function(e,t,n=null,i=null,r=0,a=0){let o,s,l,c,d,u,f,p,m;const h=e.isCompressedTexture?e.mipmaps[a]:e.image;if(null!==n)o=n.max.x-n.min.x,s=n.max.y-n.min.y,l=n.isBox3?n.max.z-n.min.z:1,c=n.min.x,d=n.min.y,u=n.isBox3?n.min.z:0;else{const t=Math.pow(2,-r);o=Math.floor(h.width*t),s=Math.floor(h.height*t),l=e.isDataArrayTexture?h.depth:e.isData3DTexture?Math.floor(h.depth*t):1,c=0,d=0,u=0}null!==i?(f=i.x,p=i.y,m=i.z):(f=0,p=0,m=0);const _=He.convert(t.format),g=He.convert(t.type);let v;t.isData3DTexture?(Ae.setTexture3D(t,0),v=ze.TEXTURE_3D):t.isDataArrayTexture||t.isCompressedArrayTexture?(Ae.setTexture2DArray(t,0),v=ze.TEXTURE_2D_ARRAY):(Ae.setTexture2D(t,0),v=ze.TEXTURE_2D),ze.pixelStorei(ze.UNPACK_FLIP_Y_WEBGL,t.flipY),ze.pixelStorei(ze.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),ze.pixelStorei(ze.UNPACK_ALIGNMENT,t.unpackAlignment);const E=ze.getParameter(ze.UNPACK_ROW_LENGTH),S=ze.getParameter(ze.UNPACK_IMAGE_HEIGHT),M=ze.getParameter(ze.UNPACK_SKIP_PIXELS),T=ze.getParameter(ze.UNPACK_SKIP_ROWS),x=ze.getParameter(ze.UNPACK_SKIP_IMAGES);ze.pixelStorei(ze.UNPACK_ROW_LENGTH,h.width),ze.pixelStorei(ze.UNPACK_IMAGE_HEIGHT,h.height),ze.pixelStorei(ze.UNPACK_SKIP_PIXELS,c),ze.pixelStorei(ze.UNPACK_SKIP_ROWS,d),ze.pixelStorei(ze.UNPACK_SKIP_IMAGES,u);const A=e.isDataArrayTexture||e.isData3DTexture,R=t.isDataArrayTexture||t.isData3DTexture;if(e.isDepthTexture){const n=xe.get(e),i=xe.get(t),h=xe.get(n.__renderTarget),_=xe.get(i.__renderTarget);Ee.bindFramebuffer(ze.READ_FRAMEBUFFER,h.__webglFramebuffer),Ee.bindFramebuffer(ze.DRAW_FRAMEBUFFER,_.__webglFramebuffer);for(let n=0;n<l;n++)A&&(ze.framebufferTextureLayer(ze.READ_FRAMEBUFFER,ze.COLOR_ATTACHMENT0,xe.get(e).__webglTexture,r,u+n),ze.framebufferTextureLayer(ze.DRAW_FRAMEBUFFER,ze.COLOR_ATTACHMENT0,xe.get(t).__webglTexture,a,m+n)),ze.blitFramebuffer(c,d,o,s,f,p,o,s,ze.DEPTH_BUFFER_BIT,ze.NEAREST);Ee.bindFramebuffer(ze.READ_FRAMEBUFFER,null),Ee.bindFramebuffer(ze.DRAW_FRAMEBUFFER,null)}else if(0!==r||e.isRenderTargetTexture||xe.has(e)){const n=xe.get(e),i=xe.get(t);Ee.bindFramebuffer(ze.READ_FRAMEBUFFER,ut),Ee.bindFramebuffer(ze.DRAW_FRAMEBUFFER,pt);for(let e=0;e<l;e++)A?ze.framebufferTextureLayer(ze.READ_FRAMEBUFFER,ze.COLOR_ATTACHMENT0,n.__webglTexture,r,u+e):ze.framebufferTexture2D(ze.READ_FRAMEBUFFER,ze.COLOR_ATTACHMENT0,ze.TEXTURE_2D,n.__webglTexture,r),R?ze.framebufferTextureLayer(ze.DRAW_FRAMEBUFFER,ze.COLOR_ATTACHMENT0,i.__webglTexture,a,m+e):ze.framebufferTexture2D(ze.DRAW_FRAMEBUFFER,ze.COLOR_ATTACHMENT0,ze.TEXTURE_2D,i.__webglTexture,a),0!==r?ze.blitFramebuffer(c,d,o,s,f,p,o,s,ze.COLOR_BUFFER_BIT,ze.NEAREST):R?ze.copyTexSubImage3D(v,a,f,p,m+e,c,d,o,s):ze.copyTexSubImage2D(v,a,f,p,c,d,o,s);Ee.bindFramebuffer(ze.READ_FRAMEBUFFER,null),Ee.bindFramebuffer(ze.DRAW_FRAMEBUFFER,null)}else R?e.isDataTexture||e.isData3DTexture?ze.texSubImage3D(v,a,f,p,m,o,s,l,_,g,h.data):t.isCompressedArrayTexture?ze.compressedTexSubImage3D(v,a,f,p,m,o,s,l,_,h.data):ze.texSubImage3D(v,a,f,p,m,o,s,l,_,g,h):e.isDataTexture?ze.texSubImage2D(ze.TEXTURE_2D,a,f,p,o,s,_,g,h.data):e.isCompressedTexture?ze.compressedTexSubImage2D(ze.TEXTURE_2D,a,f,p,h.width,h.height,_,h.data):ze.texSubImage2D(ze.TEXTURE_2D,a,f,p,o,s,_,g,h);ze.pixelStorei(ze.UNPACK_ROW_LENGTH,E),ze.pixelStorei(ze.UNPACK_IMAGE_HEIGHT,S),ze.pixelStorei(ze.UNPACK_SKIP_PIXELS,M),ze.pixelStorei(ze.UNPACK_SKIP_ROWS,T),ze.pixelStorei(ze.UNPACK_SKIP_IMAGES,x),0===a&&t.generateMipmaps&&ze.generateMipmap(v),Ee.unbindTexture()},this.initRenderTarget=function(e){void 0===xe.get(e).__webglFramebuffer&&Ae.setupRenderTarget(e)},this.initTexture=function(e){e.isCubeTexture?Ae.setTextureCube(e,0):e.isData3DTexture?Ae.setTexture3D(e,0):e.isDataArrayTexture||e.isCompressedArrayTexture?Ae.setTexture2DArray(e,0):Ae.setTexture2D(e,0),Ee.unbindTexture()},this.resetState=function(){V=0,W=0,k=null,Ee.reset(),Ve.reset()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}get coordinateSystem(){return Nn}get outputColorSpace(){return this._outputColorSpace}set outputColorSpace(e){this._outputColorSpace=e;const t=this.getContext();t.drawingBufferColorSpace=p._getDrawingBufferColorSpace(e),t.unpackColorSpace=p._getUnpackColorSpace()}}export{J as ACESFilmicToneMapping,Ie as AddEquation,ue as AddOperation,lt as AdditiveBlending,Q as AgXToneMapping,yt as AlphaFormat,Mt as AlwaysCompare,et as AlwaysDepth,bn as ArrayCamera,c as BackSide,s as BoxGeometry,y as BufferAttribute,C as BufferGeometry,It as ByteType,ee as CineonToneMapping,ft as ClampToEdgeWrapping,n as Color,p as ColorManagement,ye as ConstantAlphaFactor,Oe as ConstantColorFactor,H as CubeCamera,Pe as CubeDepthTexture,R as CubeReflectionMapping,b as CubeRefractionMapping,B as CubeTexture,a as CubeUVReflectionMapping,it as CullFaceBack,rt as CullFaceFront,nt as CullFaceNone,at as CustomBlending,Z as CustomToneMapping,ie as Data3DTexture,K as DataArrayTexture,Ln as DataTexture,be as DepthFormat,At as DepthStencilFormat,oe as DepthTexture,_e as DoubleSide,We as DstAlphaFactor,ze as DstColorFactor,Et as EqualCompare,Qe as EqualDepth,V as EquirectangularReflectionMapping,W as EquirectangularRefractionMapping,u as Euler,Rn as EventDispatcher,An as ExternalTexture,q as Float32BufferAttribute,T as FloatType,_ as FrontSide,Te as Frustum,le as GLSL3,vt as GreaterCompare,Ze as GreaterDepth,re as GreaterEqualCompare,$e as GreaterEqualDepth,S as HalfFloatType,v as IntType,Se as Layers,St as LessCompare,Je as LessDepth,ae as LessEqualCompare,Ue as LessEqualDepth,O as LinearFilter,G as LinearMipmapLinearFilter,mt as LinearMipmapNearestFilter,F as LinearSRGBColorSpace,ne as LinearToneMapping,me as LinearTransfer,e as Matrix3,f as Matrix4,dt as MaxEquation,o as Mesh,D as MeshBasicMaterial,xe as MeshDepthMaterial,Ae as MeshDistanceMaterial,ct as MinEquation,ut as MirroredRepeatWrapping,fe as MixOperation,ot as MultiplyBlending,pe as MultiplyOperation,Ce as NearestFilter,ht as NearestMipmapLinearFilter,_t as NearestMipmapNearestFilter,$ as NeutralToneMapping,Tt as NeverCompare,tt as NeverDepth,I as NoBlending,xt as NoColorSpace,U as NoToneMapping,ge as NormalBlending,gt as NotEqualCompare,je as NotEqualDepth,Ee as ObjectSpaceNormalMap,Ke as OneFactor,Ne as OneMinusConstantAlphaFactor,Fe as OneMinusConstantColorFactor,Be as OneMinusDstAlphaFactor,Ge as OneMinusDstColorFactor,He as OneMinusSrcAlphaFactor,Ve as OneMinusSrcColorFactor,P as OrthographicCamera,de as PCFShadowMap,Re as PCFSoftShadowMap,ri as PMREMGenerator,L as PerspectiveCamera,A as Plane,h as PlaneGeometry,Qt as R11_EAC_Format,Tn as RED_GREEN_RGTC2_Format,Sn as RED_RGTC1_Format,wn as REVISION,en as RG11_EAC_Format,x as RGBAFormat,Ht as RGBAIntegerFormat,mn as RGBA_ASTC_10x10_Format,un as RGBA_ASTC_10x5_Format,fn as RGBA_ASTC_10x6_Format,pn as RGBA_ASTC_10x8_Format,hn as RGBA_ASTC_12x10_Format,_n as RGBA_ASTC_12x12_Format,nn as RGBA_ASTC_4x4_Format,rn as RGBA_ASTC_5x4_Format,an as RGBA_ASTC_5x5_Format,on as RGBA_ASTC_6x5_Format,sn as RGBA_ASTC_6x6_Format,ln as RGBA_ASTC_8x5_Format,cn as RGBA_ASTC_8x6_Format,dn as RGBA_ASTC_8x8_Format,gn as RGBA_BPTC_Format,$t as RGBA_ETC2_EAC_Format,qt as RGBA_PVRTC_2BPPV1_Format,Kt as RGBA_PVRTC_4BPPV1_Format,Wt as RGBA_S3TC_DXT1_Format,zt as RGBA_S3TC_DXT3_Format,kt as RGBA_S3TC_DXT5_Format,Ft as RGBFormat,vn as RGB_BPTC_SIGNED_Format,En as RGB_BPTC_UNSIGNED_Format,jt as RGB_ETC1_Format,Zt as RGB_ETC2_Format,Yt as RGB_PVRTC_2BPPV1_Format,Xt as RGB_PVRTC_4BPPV1_Format,Vt as RGB_S3TC_DXT1_Format,Me as RGFormat,Gt as RGIntegerFormat,j as RawShaderMaterial,Ot as RedFormat,Bt as RedIntegerFormat,te as ReinhardToneMapping,pt as RepeatWrapping,De as ReverseSubtractEquation,Jt as SIGNED_R11_EAC_Format,xn as SIGNED_RED_GREEN_RGTC2_Format,Mn as SIGNED_RED_RGTC1_Format,tn as SIGNED_RG11_EAC_Format,Dn as SRGBColorSpace,m as SRGBTransfer,Bn as ShaderChunk,Hn as ShaderLib,l as ShaderMaterial,Nt as ShortType,Xe as SrcAlphaFactor,ke as SrcAlphaSaturateFactor,Ye as SrcColorFactor,we as SubtractEquation,st as SubtractiveBlending,ve as TangentSpaceNormalMap,se as Texture,X as Uint16BufferAttribute,k as Uint32BufferAttribute,Gn as UniformsLib,he as UniformsUtils,M as UnsignedByteType,wt as UnsignedInt101111Type,bt as UnsignedInt248Type,Dt as UnsignedInt5999Type,Le as UnsignedIntType,Lt as UnsignedShort4444Type,Ut as UnsignedShort5551Type,Ct as UnsignedShortType,ce as VSMShadowMap,t as Vector2,r as Vector3,Y as Vector4,Nn as WebGLCoordinateSystem,di as WebGLCubeRenderTarget,N as WebGLRenderTarget,La as WebGLRenderer,Sa as WebGLUtils,Cn as WebXRController,qe as ZeroFactor,Un as createCanvasElement,w as error,In as log,E as warn,z as warnOnce};
+import{Matrix3 as e,Vector2 as t,Color as n,mergeUniforms as i,Vector3 as r,CubeUVReflectionMapping as a,Mesh as o,BoxGeometry as s,ShaderMaterial as l,BackSide as c,cloneUniforms as d,Euler as u,Matrix4 as f,ColorManagement as p,SRGBTransfer as m,PlaneGeometry as h,FrontSide as _,getUnlitUniformColorSpace as g,IntType as v,warn as E,HalfFloatType as S,UnsignedByteType as M,FloatType as T,RGBAFormat as x,Plane as A,CubeReflectionMapping as R,CubeRefractionMapping as b,BufferGeometry as C,OrthographicCamera as P,PerspectiveCamera as L,NoToneMapping as U,MeshBasicMaterial as D,error as w,NoBlending as I,WebGLRenderTarget as N,BufferAttribute as y,LinearSRGBColorSpace as F,LinearFilter as O,CubeTexture as B,LinearMipmapLinearFilter as G,CubeCamera as H,EquirectangularReflectionMapping as V,EquirectangularRefractionMapping as W,warnOnce as z,Uint32BufferAttribute as k,Uint16BufferAttribute as X,Vector4 as Y,DataArrayTexture as K,Float32BufferAttribute as q,RawShaderMaterial as j,CustomToneMapping as Z,NeutralToneMapping as $,AgXToneMapping as Q,ACESFilmicToneMapping as J,CineonToneMapping as ee,ReinhardToneMapping as te,LinearToneMapping as ne,Data3DTexture as ie,GreaterEqualCompare as re,LessEqualCompare as ae,DepthTexture as oe,Texture as se,GLSL3 as le,VSMShadowMap as ce,PCFShadowMap as de,AddOperation as ue,MixOperation as fe,MultiplyOperation as pe,LinearTransfer as me,UniformsUtils as he,DoubleSide as _e,NormalBlending as ge,TangentSpaceNormalMap as ve,ObjectSpaceNormalMap as Ee,Layers as Se,RGFormat as Me,Frustum as Te,MeshDepthMaterial as xe,MeshDistanceMaterial as Ae,PCFSoftShadowMap as Re,DepthFormat as be,NearestFilter as Ce,CubeDepthTexture as Pe,UnsignedIntType as Le,LessEqualDepth as Ue,ReverseSubtractEquation as De,SubtractEquation as we,AddEquation as Ie,OneMinusConstantAlphaFactor as Ne,ConstantAlphaFactor as ye,OneMinusConstantColorFactor as Fe,ConstantColorFactor as Oe,OneMinusDstAlphaFactor as Be,OneMinusDstColorFactor as Ge,OneMinusSrcAlphaFactor as He,OneMinusSrcColorFactor as Ve,DstAlphaFactor as We,DstColorFactor as ze,SrcAlphaSaturateFactor as ke,SrcAlphaFactor as Xe,SrcColorFactor as Ye,OneFactor as Ke,ZeroFactor as qe,NotEqualDepth as je,GreaterDepth as Ze,GreaterEqualDepth as $e,EqualDepth as Qe,LessDepth as Je,AlwaysDepth as et,NeverDepth as tt,CullFaceNone as nt,CullFaceBack as it,CullFaceFront as rt,CustomBlending as at,MultiplyBlending as ot,SubtractiveBlending as st,AdditiveBlending as lt,ReversedDepthFuncs as ct,MinEquation as dt,MaxEquation as ut,MirroredRepeatWrapping as ft,ClampToEdgeWrapping as pt,RepeatWrapping as mt,LinearMipmapNearestFilter as ht,NearestMipmapLinearFilter as _t,NearestMipmapNearestFilter as gt,NotEqualCompare as vt,GreaterCompare as Et,EqualCompare as St,LessCompare as Mt,AlwaysCompare as Tt,NeverCompare as xt,NoColorSpace as At,DepthStencilFormat as Rt,getByteLength as bt,UnsignedInt248Type as Ct,UnsignedShortType as Pt,createElementNS as Lt,UnsignedShort4444Type as Ut,UnsignedShort5551Type as Dt,UnsignedInt5999Type as wt,UnsignedInt101111Type as It,ByteType as Nt,ShortType as yt,AlphaFormat as Ft,RGBFormat as Ot,RedFormat as Bt,RedIntegerFormat as Gt,RGIntegerFormat as Ht,RGBAIntegerFormat as Vt,RGB_S3TC_DXT1_Format as Wt,RGBA_S3TC_DXT1_Format as zt,RGBA_S3TC_DXT3_Format as kt,RGBA_S3TC_DXT5_Format as Xt,RGB_PVRTC_4BPPV1_Format as Yt,RGB_PVRTC_2BPPV1_Format as Kt,RGBA_PVRTC_4BPPV1_Format as qt,RGBA_PVRTC_2BPPV1_Format as jt,RGB_ETC1_Format as Zt,RGB_ETC2_Format as $t,RGBA_ETC2_EAC_Format as Qt,R11_EAC_Format as Jt,SIGNED_R11_EAC_Format as en,RG11_EAC_Format as tn,SIGNED_RG11_EAC_Format as nn,RGBA_ASTC_4x4_Format as rn,RGBA_ASTC_5x4_Format as an,RGBA_ASTC_5x5_Format as on,RGBA_ASTC_6x5_Format as sn,RGBA_ASTC_6x6_Format as ln,RGBA_ASTC_8x5_Format as cn,RGBA_ASTC_8x6_Format as dn,RGBA_ASTC_8x8_Format as un,RGBA_ASTC_10x5_Format as fn,RGBA_ASTC_10x6_Format as pn,RGBA_ASTC_10x8_Format as mn,RGBA_ASTC_10x10_Format as hn,RGBA_ASTC_12x10_Format as _n,RGBA_ASTC_12x12_Format as gn,RGBA_BPTC_Format as vn,RGB_BPTC_SIGNED_Format as En,RGB_BPTC_UNSIGNED_Format as Sn,RED_RGTC1_Format as Mn,SIGNED_RED_RGTC1_Format as Tn,RED_GREEN_RGTC2_Format as xn,SIGNED_RED_GREEN_RGTC2_Format as An,ExternalTexture as Rn,EventDispatcher as bn,ArrayCamera as Cn,WebXRController as Pn,RAD2DEG as Ln,DataTexture as Un,createCanvasElement as Dn,SRGBColorSpace as wn,REVISION as In,log as Nn,WebGLCoordinateSystem as yn,probeAsync as Fn}from"./three.core.min.js";export{AdditiveAnimationBlendMode,AlwaysStencilFunc,AmbientLight,AnimationAction,AnimationClip,AnimationLoader,AnimationMixer,AnimationObjectGroup,AnimationUtils,ArcCurve,ArrowHelper,AttachedBindMode,Audio,AudioAnalyser,AudioContext,AudioListener,AudioLoader,AxesHelper,BasicDepthPacking,BasicShadowMap,BatchedMesh,BezierInterpolant,Bone,BooleanKeyframeTrack,Box2,Box3,Box3Helper,BoxHelper,BufferGeometryLoader,Cache,Camera,CameraHelper,CanvasTexture,CapsuleGeometry,CatmullRomCurve3,CircleGeometry,Clock,ColorKeyframeTrack,Compatibility,CompressedArrayTexture,CompressedCubeTexture,CompressedTexture,CompressedTextureLoader,ConeGeometry,Controls,CubeTextureLoader,CubicBezierCurve,CubicBezierCurve3,CubicInterpolant,CullFaceFrontBack,Curve,CurvePath,CylinderGeometry,Cylindrical,DataTextureLoader,DataUtils,DecrementStencilOp,DecrementWrapStencilOp,DefaultLoadingManager,DetachedBindMode,DirectionalLight,DirectionalLightHelper,DiscreteInterpolant,DodecahedronGeometry,DynamicCopyUsage,DynamicDrawUsage,DynamicReadUsage,EdgesGeometry,EllipseCurve,EqualStencilFunc,ExtrudeGeometry,FileLoader,Float16BufferAttribute,Fog,FogExp2,FramebufferTexture,FrustumArray,GLBufferAttribute,GLSL1,GreaterEqualStencilFunc,GreaterStencilFunc,GridHelper,Group,HemisphereLight,HemisphereLightHelper,IcosahedronGeometry,ImageBitmapLoader,ImageLoader,ImageUtils,IncrementStencilOp,IncrementWrapStencilOp,InstancedBufferAttribute,InstancedBufferGeometry,InstancedInterleavedBuffer,InstancedMesh,Int16BufferAttribute,Int32BufferAttribute,Int8BufferAttribute,InterleavedBuffer,InterleavedBufferAttribute,Interpolant,InterpolateBezier,InterpolateDiscrete,InterpolateLinear,InterpolateSmooth,InterpolationSamplingMode,InterpolationSamplingType,InvertStencilOp,KeepStencilOp,KeyframeTrack,LOD,LatheGeometry,LessEqualStencilFunc,LessStencilFunc,Light,LightProbe,Line,Line3,LineBasicMaterial,LineCurve,LineCurve3,LineDashedMaterial,LineLoop,LineSegments,LinearInterpolant,LinearMipMapLinearFilter,LinearMipMapNearestFilter,Loader,LoaderUtils,LoadingManager,LoopOnce,LoopPingPong,LoopRepeat,MOUSE,Material,MaterialBlending,MaterialLoader,MathUtils,Matrix2,MeshLambertMaterial,MeshMatcapMaterial,MeshNormalMaterial,MeshPhongMaterial,MeshPhysicalMaterial,MeshStandardMaterial,MeshToonMaterial,NearestMipMapLinearFilter,NearestMipMapNearestFilter,NeverStencilFunc,NoNormalPacking,NormalAnimationBlendMode,NormalGAPacking,NormalRGPacking,NotEqualStencilFunc,NumberKeyframeTrack,Object3D,ObjectLoader,OctahedronGeometry,Path,PlaneHelper,PointLight,PointLightHelper,Points,PointsMaterial,PolarGridHelper,PolyhedronGeometry,PositionalAudio,PropertyBinding,PropertyMixer,QuadraticBezierCurve,QuadraticBezierCurve3,Quaternion,QuaternionKeyframeTrack,QuaternionLinearInterpolant,RGBADepthPacking,RGBDepthPacking,RGBIntegerFormat,RGDepthPacking,Ray,Raycaster,RectAreaLight,RenderTarget,RenderTarget3D,ReplaceStencilOp,RingGeometry,Scene,ShadowMaterial,Shape,ShapeGeometry,ShapePath,ShapeUtils,Skeleton,SkeletonHelper,SkinnedMesh,Source,Sphere,SphereGeometry,Spherical,SphericalHarmonics3,SplineCurve,SpotLight,SpotLightHelper,Sprite,SpriteMaterial,StaticCopyUsage,StaticDrawUsage,StaticReadUsage,StereoCamera,StreamCopyUsage,StreamDrawUsage,StreamReadUsage,StringKeyframeTrack,TOUCH,TetrahedronGeometry,TextureLoader,TextureUtils,Timer,TimestampQuery,TorusGeometry,TorusKnotGeometry,Triangle,TriangleFanDrawMode,TriangleStripDrawMode,TrianglesDrawMode,TubeGeometry,UVMapping,Uint8BufferAttribute,Uint8ClampedBufferAttribute,Uniform,UniformsGroup,VectorKeyframeTrack,VideoFrameTexture,VideoTexture,WebGL3DRenderTarget,WebGLArrayRenderTarget,WebGPUCoordinateSystem,WireframeGeometry,WrapAroundEnding,ZeroCurvatureEnding,ZeroSlopeEnding,ZeroStencilOp,getConsoleFunction,setConsoleFunction}from"./three.core.min.js";function On(){let e=null,t=!1,n=null,i=null;function r(t,a){n(t,a),i=e.requestAnimationFrame(r)}return{start:function(){!0!==t&&null!==n&&(i=e.requestAnimationFrame(r),t=!0)},stop:function(){e.cancelAnimationFrame(i),t=!1},setAnimationLoop:function(e){n=e},setContext:function(t){e=t}}}function Bn(e){const t=new WeakMap;return{get:function(e){return e.isInterleavedBufferAttribute&&(e=e.data),t.get(e)},remove:function(n){n.isInterleavedBufferAttribute&&(n=n.data);const i=t.get(n);i&&(e.deleteBuffer(i.buffer),t.delete(n))},update:function(n,i){if(n.isInterleavedBufferAttribute&&(n=n.data),n.isGLBufferAttribute){const e=t.get(n);return void((!e||e.version<n.version)&&t.set(n,{buffer:n.buffer,type:n.type,bytesPerElement:n.elementSize,version:n.version}))}const r=t.get(n);if(void 0===r)t.set(n,function(t,n){const i=t.array,r=t.usage,a=i.byteLength,o=e.createBuffer();let s;if(e.bindBuffer(n,o),e.bufferData(n,i,r),t.onUploadCallback(),i instanceof Float32Array)s=e.FLOAT;else if("undefined"!=typeof Float16Array&&i instanceof Float16Array)s=e.HALF_FLOAT;else if(i instanceof Uint16Array)s=t.isFloat16BufferAttribute?e.HALF_FLOAT:e.UNSIGNED_SHORT;else if(i instanceof Int16Array)s=e.SHORT;else if(i instanceof Uint32Array)s=e.UNSIGNED_INT;else if(i instanceof Int32Array)s=e.INT;else if(i instanceof Int8Array)s=e.BYTE;else if(i instanceof Uint8Array)s=e.UNSIGNED_BYTE;else{if(!(i instanceof Uint8ClampedArray))throw new Error("THREE.WebGLAttributes: Unsupported buffer data format: "+i);s=e.UNSIGNED_BYTE}return{buffer:o,type:s,bytesPerElement:i.BYTES_PER_ELEMENT,version:t.version,size:a}}(n,i));else if(r.version<n.version){if(r.size!==n.array.byteLength)throw new Error("THREE.WebGLAttributes: The size of the buffer attribute's array buffer does not match the original size. Resizing buffer attributes is not supported.");!function(t,n,i){const r=n.array,a=n.updateRanges;if(e.bindBuffer(i,t),0===a.length)e.bufferSubData(i,0,r);else{a.sort((e,t)=>e.start-t.start);let t=0;for(let e=1;e<a.length;e++){const n=a[t],i=a[e];i.start<=n.start+n.count+1?n.count=Math.max(n.count,i.start+i.count-n.start):(++t,a[t]=i)}a.length=t+1;for(let t=0,n=a.length;t<n;t++){const n=a[t];e.bufferSubData(i,n.start*r.BYTES_PER_ELEMENT,r,n.start,n.count)}n.clearUpdateRanges()}n.onUploadCallback()}(r.buffer,n,i),r.version=n.version}}}}const Gn={alphahash_fragment:"#ifdef USE_ALPHAHASH\n\tif ( diffuseColor.a < getAlphaHashThreshold( vPosition ) ) discard;\n#endif",alphahash_pars_fragment:"#ifdef USE_ALPHAHASH\n\tconst float ALPHA_HASH_SCALE = 0.05;\n\tfloat hash2D( vec2 value ) {\n\t\treturn fract( 1.0e4 * sin( 17.0 * value.x + 0.1 * value.y ) * ( 0.1 + abs( sin( 13.0 * value.y + value.x ) ) ) );\n\t}\n\tfloat hash3D( vec3 value ) {\n\t\treturn hash2D( vec2( hash2D( value.xy ), value.z ) );\n\t}\n\tfloat getAlphaHashThreshold( vec3 position ) {\n\t\tfloat maxDeriv = max(\n\t\t\tlength( dFdx( position.xyz ) ),\n\t\t\tlength( dFdy( position.xyz ) )\n\t\t);\n\t\tfloat pixScale = 1.0 / ( ALPHA_HASH_SCALE * maxDeriv );\n\t\tvec2 pixScales = vec2(\n\t\t\texp2( floor( log2( pixScale ) ) ),\n\t\t\texp2( ceil( log2( pixScale ) ) )\n\t\t);\n\t\tvec2 alpha = vec2(\n\t\t\thash3D( floor( pixScales.x * position.xyz ) ),\n\t\t\thash3D( floor( pixScales.y * position.xyz ) )\n\t\t);\n\t\tfloat lerpFactor = fract( log2( pixScale ) );\n\t\tfloat x = ( 1.0 - lerpFactor ) * alpha.x + lerpFactor * alpha.y;\n\t\tfloat a = min( lerpFactor, 1.0 - lerpFactor );\n\t\tvec3 cases = vec3(\n\t\t\tx * x / ( 2.0 * a * ( 1.0 - a ) ),\n\t\t\t( x - 0.5 * a ) / ( 1.0 - a ),\n\t\t\t1.0 - ( ( 1.0 - x ) * ( 1.0 - x ) / ( 2.0 * a * ( 1.0 - a ) ) )\n\t\t);\n\t\tfloat threshold = ( x < ( 1.0 - a ) )\n\t\t\t? ( ( x < a ) ? cases.x : cases.y )\n\t\t\t: cases.z;\n\t\treturn clamp( threshold , 1.0e-6, 1.0 );\n\t}\n#endif",alphamap_fragment:"#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vAlphaMapUv ).g;\n#endif",alphamap_pars_fragment:"#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",alphatest_fragment:"#ifdef USE_ALPHATEST\n\t#ifdef ALPHA_TO_COVERAGE\n\tdiffuseColor.a = smoothstep( alphaTest, alphaTest + fwidth( diffuseColor.a ), diffuseColor.a );\n\tif ( diffuseColor.a == 0.0 ) discard;\n\t#else\n\tif ( diffuseColor.a < alphaTest ) discard;\n\t#endif\n#endif",alphatest_pars_fragment:"#ifdef USE_ALPHATEST\n\tuniform float alphaTest;\n#endif",aomap_fragment:"#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vAoMapUv ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_CLEARCOAT ) \n\t\tclearcoatSpecularIndirect *= ambientOcclusion;\n\t#endif\n\t#if defined( USE_SHEEN ) \n\t\tsheenSpecularIndirect *= ambientOcclusion;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\t\tfloat dotNV = saturate( dot( geometryNormal, geometryViewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\n\t#endif\n#endif",aomap_pars_fragment:"#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif",batching_pars_vertex:"#ifdef USE_BATCHING\n\t#if ! defined( GL_ANGLE_multi_draw )\n\t#define gl_DrawID _gl_DrawID\n\tuniform int _gl_DrawID;\n\t#endif\n\tuniform highp sampler2D batchingTexture;\n\tuniform highp usampler2D batchingIdTexture;\n\tmat4 getBatchingMatrix( const in float i ) {\n\t\tint size = textureSize( batchingTexture, 0 ).x;\n\t\tint j = int( i ) * 4;\n\t\tint x = j % size;\n\t\tint y = j / size;\n\t\tvec4 v1 = texelFetch( batchingTexture, ivec2( x, y ), 0 );\n\t\tvec4 v2 = texelFetch( batchingTexture, ivec2( x + 1, y ), 0 );\n\t\tvec4 v3 = texelFetch( batchingTexture, ivec2( x + 2, y ), 0 );\n\t\tvec4 v4 = texelFetch( batchingTexture, ivec2( x + 3, y ), 0 );\n\t\treturn mat4( v1, v2, v3, v4 );\n\t}\n\tfloat getIndirectIndex( const in int i ) {\n\t\tint size = textureSize( batchingIdTexture, 0 ).x;\n\t\tint x = i % size;\n\t\tint y = i / size;\n\t\treturn float( texelFetch( batchingIdTexture, ivec2( x, y ), 0 ).r );\n\t}\n#endif\n#ifdef USE_BATCHING_COLOR\n\tuniform sampler2D batchingColorTexture;\n\tvec4 getBatchingColor( const in float i ) {\n\t\tint size = textureSize( batchingColorTexture, 0 ).x;\n\t\tint j = int( i );\n\t\tint x = j % size;\n\t\tint y = j / size;\n\t\treturn texelFetch( batchingColorTexture, ivec2( x, y ), 0 );\n\t}\n#endif",batching_vertex:"#ifdef USE_BATCHING\n\tmat4 batchingMatrix = getBatchingMatrix( getIndirectIndex( gl_DrawID ) );\n#endif",begin_vertex:"vec3 transformed = vec3( position );\n#ifdef USE_ALPHAHASH\n\tvPosition = vec3( position );\n#endif",beginnormal_vertex:"vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n\tvec3 objectTangent = vec3( tangent.xyz );\n#endif",bsdfs:"float G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, 1.0, dotVH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n} // validated",iridescence_fragment:"#ifdef USE_IRIDESCENCE\n\tconst mat3 XYZ_TO_REC709 = mat3(\n\t\t 3.2404542, -0.9692660,  0.0556434,\n\t\t-1.5371385,  1.8760108, -0.2040259,\n\t\t-0.4985314,  0.0415560,  1.0572252\n\t);\n\tvec3 Fresnel0ToIor( vec3 fresnel0 ) {\n\t\tvec3 sqrtF0 = sqrt( fresnel0 );\n\t\treturn ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );\n\t}\n\tvec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {\n\t\treturn pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );\n\t}\n\tfloat IorToFresnel0( float transmittedIor, float incidentIor ) {\n\t\treturn pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));\n\t}\n\tvec3 evalSensitivity( float OPD, vec3 shift ) {\n\t\tfloat phase = 2.0 * PI * OPD * 1.0e-9;\n\t\tvec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );\n\t\tvec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );\n\t\tvec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );\n\t\tvec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );\n\t\txyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) );\n\t\txyz /= 1.0685e-7;\n\t\tvec3 rgb = XYZ_TO_REC709 * xyz;\n\t\treturn rgb;\n\t}\n\tvec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {\n\t\tvec3 I;\n\t\tfloat iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );\n\t\tfloat sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );\n\t\tfloat cosTheta2Sq = 1.0 - sinTheta2Sq;\n\t\tif ( cosTheta2Sq < 0.0 ) {\n\t\t\treturn vec3( 1.0 );\n\t\t}\n\t\tfloat cosTheta2 = sqrt( cosTheta2Sq );\n\t\tfloat R0 = IorToFresnel0( iridescenceIOR, outsideIOR );\n\t\tfloat R12 = F_Schlick( R0, 1.0, cosTheta1 );\n\t\tfloat T121 = 1.0 - R12;\n\t\tfloat phi12 = 0.0;\n\t\tif ( iridescenceIOR < outsideIOR ) phi12 = PI;\n\t\tfloat phi21 = PI - phi12;\n\t\tvec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) );\t\tvec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );\n\t\tvec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );\n\t\tvec3 phi23 = vec3( 0.0 );\n\t\tif ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI;\n\t\tif ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI;\n\t\tif ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI;\n\t\tfloat OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;\n\t\tvec3 phi = vec3( phi21 ) + phi23;\n\t\tvec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );\n\t\tvec3 r123 = sqrt( R123 );\n\t\tvec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );\n\t\tvec3 C0 = R12 + Rs;\n\t\tI = C0;\n\t\tvec3 Cm = Rs - T121;\n\t\tfor ( int m = 1; m <= 2; ++ m ) {\n\t\t\tCm *= r123;\n\t\t\tvec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );\n\t\t\tI += Cm * Sm;\n\t\t}\n\t\treturn max( I, vec3( 0.0 ) );\n\t}\n#endif",bumpmap_pars_fragment:"#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vBumpMapUv );\n\t\tvec2 dSTdy = dFdy( vBumpMapUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vBumpMapUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\n\t\tvec3 vSigmaX = normalize( dFdx( surf_pos.xyz ) );\n\t\tvec3 vSigmaY = normalize( dFdy( surf_pos.xyz ) );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif",clipping_planes_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvec4 plane;\n\t#ifdef ALPHA_TO_COVERAGE\n\t\tfloat distanceToPlane, distanceGradient;\n\t\tfloat clipOpacity = 1.0;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\tclipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\tif ( clipOpacity == 0.0 ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tfloat unionClipOpacity = 1.0;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tdistanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n\t\t\t\tdistanceGradient = fwidth( distanceToPlane ) / 2.0;\n\t\t\t\tunionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tclipOpacity *= 1.0 - unionClipOpacity;\n\t\t#endif\n\t\tdiffuseColor.a *= clipOpacity;\n\t\tif ( diffuseColor.a == 0.0 ) discard;\n\t#else\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\t\tbool clipped = true;\n\t\t\t#pragma unroll_loop_start\n\t\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\t\tplane = clippingPlanes[ i ];\n\t\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t\t}\n\t\t\t#pragma unroll_loop_end\n\t\t\tif ( clipped ) discard;\n\t\t#endif\n\t#endif\n#endif",clipping_planes_pars_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif",clipping_planes_pars_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif",clipping_planes_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif",color_fragment:"#if defined( USE_COLOR ) || defined( USE_COLOR_ALPHA )\n\tdiffuseColor *= vColor;\n#endif",color_pars_fragment:"#if defined( USE_COLOR ) || defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#endif",color_pars_vertex:"#if defined( USE_COLOR ) || defined( USE_COLOR_ALPHA ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n\tvarying vec4 vColor;\n#endif",color_vertex:"#if defined( USE_COLOR ) || defined( USE_COLOR_ALPHA ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n\tvColor = vec4( 1.0 );\n#endif\n#ifdef USE_COLOR_ALPHA\n\tvColor *= color;\n#elif defined( USE_COLOR )\n\tvColor.rgb *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.rgb *= instanceColor.rgb;\n#endif\n#ifdef USE_BATCHING_COLOR\n\tvColor *= getBatchingColor( getIndirectIndex( gl_DrawID ) );\n#endif",common:"#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nvec3 pow2( const in vec3 x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\nfloat average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract( sin( sn ) * c );\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\n#ifdef USE_ALPHAHASH\n\tvarying vec3 vPosition;\n#endif\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n\treturn m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}\nvec3 BRDF_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nfloat F_Schlick( const in float f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n} // validated",cube_uv_reflection_fragment:"#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_minTileSize 16.0\n\tfloat getFace( vec3 direction ) {\n\t\tvec3 absDirection = abs( direction );\n\t\tfloat face = - 1.0;\n\t\tif ( absDirection.x > absDirection.z ) {\n\t\t\tif ( absDirection.x > absDirection.y )\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t} else {\n\t\t\tif ( absDirection.z > absDirection.y )\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t}\n\t\treturn face;\n\t}\n\tvec2 getUV( vec3 direction, float face ) {\n\t\tvec2 uv;\n\t\tif ( face == 0.0 ) {\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 1.0 ) {\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n\t\t} else if ( face == 2.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\n\t\t} else if ( face == 3.0 ) {\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 4.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\n\t\t} else {\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\n\t\t}\n\t\treturn 0.5 * ( uv + 1.0 );\n\t}\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\t\tfloat face = getFace( direction );\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\t\tfloat faceSize = exp2( mipInt );\n\t\thighp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\n\t\tif ( face > 2.0 ) {\n\t\t\tuv.y += faceSize;\n\t\t\tface -= 3.0;\n\t\t}\n\t\tuv.x += face * faceSize;\n\t\tuv.x += filterInt * 3.0 * cubeUV_minTileSize;\n\t\tuv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\n\t\tuv.x *= CUBEUV_TEXEL_WIDTH;\n\t\tuv.y *= CUBEUV_TEXEL_HEIGHT;\n\t\t#ifdef texture2DGradEXT\n\t\t\treturn texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\n\t\t#else\n\t\t\treturn texture2D( envMap, uv ).rgb;\n\t\t#endif\n\t}\n\t#define cubeUV_r0 1.0\n\t#define cubeUV_m0 - 2.0\n\t#define cubeUV_r1 0.8\n\t#define cubeUV_m1 - 1.0\n\t#define cubeUV_r4 0.4\n\t#define cubeUV_m4 2.0\n\t#define cubeUV_r5 0.305\n\t#define cubeUV_m5 3.0\n\t#define cubeUV_r6 0.21\n\t#define cubeUV_m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= cubeUV_r1 ) {\n\t\t\tmip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;\n\t\t} else if ( roughness >= cubeUV_r4 ) {\n\t\t\tmip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;\n\t\t} else if ( roughness >= cubeUV_r5 ) {\n\t\t\tmip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;\n\t\t} else if ( roughness >= cubeUV_r6 ) {\n\t\t\tmip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;\n\t\t} else {\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness );\t\t}\n\t\treturn mip;\n\t}\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\t\tfloat mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );\n\t\tfloat mipF = fract( mip );\n\t\tfloat mipInt = floor( mip );\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\t\tif ( mipF == 0.0 ) {\n\t\t\treturn vec4( color0, 1.0 );\n\t\t} else {\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\t\t}\n\t}\n#endif",defaultnormal_vertex:"vec3 transformedNormal = objectNormal;\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = objectTangent;\n#endif\n#ifdef USE_BATCHING\n\tmat3 bm = mat3( batchingMatrix );\n\ttransformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) );\n\ttransformedNormal = bm * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = bm * transformedTangent;\n\t#endif\n#endif\n#ifdef USE_INSTANCING\n\tmat3 im = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) );\n\ttransformedNormal = im * transformedNormal;\n\t#ifdef USE_TANGENT\n\t\ttransformedTangent = im * transformedTangent;\n\t#endif\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\ttransformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif",displacementmap_pars_vertex:"#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif",displacementmap_vertex:"#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv );\n\t#ifdef DECODE_VIDEO_TEXTURE_EMISSIVE\n\t\temissiveColor = sRGBTransferEOTF( emissiveColor );\n\t#endif\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",colorspace_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",colorspace_pars_fragment:"vec4 LinearTransferOETF( in vec4 value ) {\n\treturn value;\n}\nvec4 sRGBTransferEOTF( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\n}\nvec4 sRGBTransferOETF( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}",envmap_fragment:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, envMapRotation * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t\t#endif\n\t#endif\n#endif",envmap_common_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\tuniform mat3 envMapRotation;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n#endif",envmap_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif",envmap_pars_vertex:"#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif",envmap_physical_pars_fragment:"#ifdef USE_ENVMAP\n\tvec3 getIBLIrradiance( const in vec3 normal ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * worldNormal, 1.0 );\n\t\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 reflectVec = reflect( - viewDir, normal );\n\t\t\treflectVec = normalize( mix( reflectVec, normal, pow4( roughness ) ) );\n\t\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, envMapRotation * reflectVec, roughness );\n\t\t\treturn envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\t#ifdef USE_ANISOTROPY\n\t\tvec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) {\n\t\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\t\tvec3 bentNormal = cross( bitangent, viewDir );\n\t\t\t\tbentNormal = normalize( cross( bentNormal, bitangent ) );\n\t\t\t\tbentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) );\n\t\t\t\treturn getIBLRadiance( viewDir, bentNormal, roughness );\n\t\t\t#else\n\t\t\t\treturn vec3( 0.0 );\n\t\t\t#endif\n\t\t}\n\t#endif\n#endif",envmap_vertex:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif",fog_vertex:"#ifdef USE_FOG\n\tvFogDepth = - mvPosition.z;\n#endif",fog_pars_vertex:"#ifdef USE_FOG\n\tvarying float vFogDepth;\n#endif",fog_fragment:"#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif",fog_pars_fragment:"#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float vFogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif",gradientmap_pars_fragment:"#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn vec3( texture2D( gradientMap, coord ).r );\n\t#else\n\t\tvec2 fw = fwidth( coord ) * 0.5;\n\t\treturn mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );\n\t#endif\n}",lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",lights_lambert_fragment:"LambertMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularStrength = specularStrength;",lights_lambert_pars_fragment:"varying vec3 vViewPosition;\nstruct LambertMaterial {\n\tvec3 diffuseColor;\n\tfloat specularStrength;\n};\nvoid RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Lambert\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Lambert",lights_pars_begin:"uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\n#if defined( USE_LIGHT_PROBES )\n\tuniform vec3 lightProbe[ 9 ];\n#endif\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\n\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\treturn irradiance;\n}\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\tif ( cutoffDistance > 0.0 ) {\n\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t}\n\treturn distanceFalloff;\n}\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\n\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) {\n\t\tlight.color = directionalLight.color;\n\t\tlight.direction = directionalLight.direction;\n\t\tlight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = pointLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tlight.color = pointLight.color;\n\t\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\n\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) {\n\t\tvec3 lVector = spotLight.position - geometryPosition;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat angleCos = dot( light.direction, spotLight.direction );\n\t\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\tif ( spotAttenuation > 0.0 ) {\n\t\t\tfloat lightDistance = length( lVector );\n\t\t\tlight.color = spotLight.color * spotAttenuation;\n\t\t\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t\t} else {\n\t\t\tlight.color = vec3( 0.0 );\n\t\t\tlight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\n\t\tfloat dotNL = dot( normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\treturn irradiance;\n\t}\n#endif",lights_toon_fragment:"ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;",lights_toon_pars_fragment:"varying vec3 vViewPosition;\nstruct ToonMaterial {\n\tvec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon",lights_phong_fragment:"BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;",lights_phong_pars_fragment:"varying vec3 vViewPosition;\nstruct BlinnPhongMaterial {\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong",lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.diffuseContribution = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nmaterial.metalness = metalnessFactor;\nvec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef IOR\n\tmaterial.ior = ior;\n\t#ifdef USE_SPECULAR\n\t\tfloat specularIntensityFactor = specularIntensity;\n\t\tvec3 specularColorFactor = specularColor;\n\t\t#ifdef USE_SPECULAR_COLORMAP\n\t\t\tspecularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb;\n\t\t#endif\n\t\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\t\tspecularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a;\n\t\t#endif\n\t\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\n\t#else\n\t\tfloat specularIntensityFactor = 1.0;\n\t\tvec3 specularColorFactor = vec3( 1.0 );\n\t\tmaterial.specularF90 = 1.0;\n\t#endif\n\tmaterial.specularColor = min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor;\n\tmaterial.specularColorBlended = mix( material.specularColor, diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = vec3( 0.04 );\n\tmaterial.specularColorBlended = mix( material.specularColor, diffuseColor.rgb, metalnessFactor );\n\tmaterial.specularF90 = 1.0;\n#endif\n#ifdef USE_CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\tmaterial.clearcoatF0 = vec3( 0.04 );\n\tmaterial.clearcoatF90 = 1.0;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_DISPERSION\n\tmaterial.dispersion = dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n\tmaterial.iridescence = iridescence;\n\tmaterial.iridescenceIOR = iridescenceIOR;\n\t#ifdef USE_IRIDESCENCEMAP\n\t\tmaterial.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r;\n\t#endif\n\t#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\t\tmaterial.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum;\n\t#else\n\t\tmaterial.iridescenceThickness = iridescenceThicknessMaximum;\n\t#endif\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheenColor;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tmaterial.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb;\n\t#endif\n\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.0001, 1.0 );\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\t#ifdef USE_ANISOTROPYMAP\n\t\tmat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x );\n\t\tvec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb;\n\t\tvec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b;\n\t#else\n\t\tvec2 anisotropyV = anisotropyVector;\n\t#endif\n\tmaterial.anisotropy = length( anisotropyV );\n\tif( material.anisotropy == 0.0 ) {\n\t\tanisotropyV = vec2( 1.0, 0.0 );\n\t} else {\n\t\tanisotropyV /= material.anisotropy;\n\t\tmaterial.anisotropy = saturate( material.anisotropy );\n\t}\n\tmaterial.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) );\n\tmaterial.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y;\n\tmaterial.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y;\n#endif",lights_physical_pars_fragment:"uniform sampler2D dfgLUT;\nstruct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tvec3 diffuseContribution;\n\tvec3 specularColor;\n\tvec3 specularColorBlended;\n\tfloat roughness;\n\tfloat metalness;\n\tfloat specularF90;\n\tfloat dispersion;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat clearcoat;\n\t\tfloat clearcoatRoughness;\n\t\tvec3 clearcoatF0;\n\t\tfloat clearcoatF90;\n\t#endif\n\t#ifdef USE_IRIDESCENCE\n\t\tfloat iridescence;\n\t\tfloat iridescenceIOR;\n\t\tfloat iridescenceThickness;\n\t\tvec3 iridescenceFresnel;\n\t\tvec3 iridescenceF0;\n\t\tvec3 iridescenceFresnelDielectric;\n\t\tvec3 iridescenceFresnelMetallic;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tvec3 sheenColor;\n\t\tfloat sheenRoughness;\n\t#endif\n\t#ifdef IOR\n\t\tfloat ior;\n\t#endif\n\t#ifdef USE_TRANSMISSION\n\t\tfloat transmission;\n\t\tfloat transmissionAlpha;\n\t\tfloat thickness;\n\t\tfloat attenuationDistance;\n\t\tvec3 attenuationColor;\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat anisotropy;\n\t\tfloat alphaT;\n\t\tvec3 anisotropyT;\n\t\tvec3 anisotropyB;\n\t#endif\n};\nvec3 clearcoatSpecularDirect = vec3( 0.0 );\nvec3 clearcoatSpecularIndirect = vec3( 0.0 );\nvec3 sheenSpecularDirect = vec3( 0.0 );\nvec3 sheenSpecularIndirect = vec3(0.0 );\nvec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {\n    float x = clamp( 1.0 - dotVH, 0.0, 1.0 );\n    float x2 = x * x;\n    float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\n    return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\n}\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\n#ifdef USE_ANISOTROPY\n\tfloat V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) {\n\t\tfloat gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) );\n\t\tfloat gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );\n\t\tfloat v = 0.5 / ( gv + gl );\n\t\treturn v;\n\t}\n\tfloat D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {\n\t\tfloat a2 = alphaT * alphaB;\n\t\thighp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );\n\t\thighp float v2 = dot( v, v );\n\t\tfloat w2 = a2 / v2;\n\t\treturn RECIPROCAL_PI * a2 * pow2 ( w2 );\n\t}\n#endif\n#ifdef USE_CLEARCOAT\n\tvec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {\n\t\tvec3 f0 = material.clearcoatF0;\n\t\tfloat f90 = material.clearcoatF90;\n\t\tfloat roughness = material.clearcoatRoughness;\n\t\tfloat alpha = pow2( roughness );\n\t\tvec3 halfDir = normalize( lightDir + viewDir );\n\t\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\t\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\t\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\t\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\t\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t\treturn F * ( V * D );\n\t}\n#endif\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\n\tvec3 f0 = material.specularColorBlended;\n\tfloat f90 = material.specularF90;\n\tfloat roughness = material.roughness;\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t#ifdef USE_IRIDESCENCE\n\t\tF = mix( F, material.iridescenceFresnel, material.iridescence );\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat dotTL = dot( material.anisotropyT, lightDir );\n\t\tfloat dotTV = dot( material.anisotropyT, viewDir );\n\t\tfloat dotTH = dot( material.anisotropyT, halfDir );\n\t\tfloat dotBL = dot( material.anisotropyB, lightDir );\n\t\tfloat dotBV = dot( material.anisotropyB, viewDir );\n\t\tfloat dotBH = dot( material.anisotropyB, halfDir );\n\t\tfloat V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );\n\t\tfloat D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );\n\t#else\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t#endif\n\treturn F * ( V * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transpose( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie( float roughness, float dotNH ) {\n\tfloat alpha = pow2( roughness );\n\tfloat invAlpha = 1.0 / alpha;\n\tfloat cos2h = dotNH * dotNH;\n\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\n\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\n}\nfloat V_Neubelt( float dotNV, float dotNL ) {\n\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\n}\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat D = D_Charlie( sheenRoughness, dotNH );\n\tfloat V = V_Neubelt( dotNV, dotNL );\n\treturn sheenColor * ( D * V );\n}\n#endif\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat r2 = roughness * roughness;\n\tfloat rInv = 1.0 / ( roughness + 0.1 );\n\tfloat a = -1.9362 + 1.0678 * roughness + 0.4573 * r2 - 0.8469 * rInv;\n\tfloat b = -0.6014 + 0.5538 * roughness - 0.4670 * r2 - 0.1255 * rInv;\n\tfloat DG = exp( a * dotNV + b );\n\treturn saturate( DG );\n}\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tvec2 fab = texture2D( dfgLUT, vec2( roughness, dotNV ) ).rg;\n\treturn specularColor * fab.x + specularF90 * fab.y;\n}\n#ifdef USE_IRIDESCENCE\nvoid computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#else\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#endif\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tvec2 fab = texture2D( dfgLUT, vec2( roughness, dotNV ) ).rg;\n\t#ifdef USE_IRIDESCENCE\n\t\tvec3 Fr = mix( specularColor, iridescenceF0, iridescence );\n\t#else\n\t\tvec3 Fr = specularColor;\n\t#endif\n\tvec3 FssEss = Fr * fab.x + specularF90 * fab.y;\n\tfloat Ess = fab.x + fab.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\nvec3 BRDF_GGX_Multiscatter( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\n\tvec3 singleScatter = BRDF_GGX( lightDir, viewDir, normal, material );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tvec2 dfgV = texture2D( dfgLUT, vec2( material.roughness, dotNV ) ).rg;\n\tvec2 dfgL = texture2D( dfgLUT, vec2( material.roughness, dotNL ) ).rg;\n\tvec3 FssEss_V = material.specularColorBlended * dfgV.x + material.specularF90 * dfgV.y;\n\tvec3 FssEss_L = material.specularColorBlended * dfgL.x + material.specularF90 * dfgL.y;\n\tfloat Ess_V = dfgV.x + dfgV.y;\n\tfloat Ess_L = dfgL.x + dfgL.y;\n\tfloat Ems_V = 1.0 - Ess_V;\n\tfloat Ems_L = 1.0 - Ess_L;\n\tvec3 Favg = material.specularColorBlended + ( 1.0 - material.specularColorBlended ) * 0.047619;\n\tvec3 Fms = FssEss_V * FssEss_L * Favg / ( 1.0 - Ems_V * Ems_L * Favg + EPSILON );\n\tfloat compensationFactor = Ems_V * Ems_L;\n\tvec3 multiScatter = Fms * compensationFactor;\n\treturn singleScatter + multiScatter;\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometryNormal;\n\t\tvec3 viewDir = geometryViewDir;\n\t\tvec3 position = geometryPosition;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.roughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3(    0, 1,    0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColorBlended * t2.x + ( material.specularF90 - material.specularColorBlended ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseContribution * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t\t#ifdef USE_CLEARCOAT\n\t\t\tvec3 Ncc = geometryClearcoatNormal;\n\t\t\tvec2 uvClearcoat = LTC_Uv( Ncc, viewDir, material.clearcoatRoughness );\n\t\t\tvec4 t1Clearcoat = texture2D( ltc_1, uvClearcoat );\n\t\t\tvec4 t2Clearcoat = texture2D( ltc_2, uvClearcoat );\n\t\t\tmat3 mInvClearcoat = mat3(\n\t\t\t\tvec3( t1Clearcoat.x, 0, t1Clearcoat.y ),\n\t\t\t\tvec3(             0, 1,             0 ),\n\t\t\t\tvec3( t1Clearcoat.z, 0, t1Clearcoat.w )\n\t\t\t);\n\t\t\tvec3 fresnelClearcoat = material.clearcoatF0 * t2Clearcoat.x + ( material.clearcoatF90 - material.clearcoatF0 ) * t2Clearcoat.y;\n\t\t\tclearcoatSpecularDirect += lightColor * fresnelClearcoat * LTC_Evaluate( Ncc, viewDir, position, mInvClearcoat, rectCoords );\n\t\t#endif\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = dotNLcc * directLight.color;\n\t\tclearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );\n\t#endif\n\t#ifdef USE_SHEEN\n \n \t\tsheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );\n \n \t\tfloat sheenAlbedoV = IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\n \t\tfloat sheenAlbedoL = IBLSheenBRDF( geometryNormal, directLight.direction, material.sheenRoughness );\n \n \t\tfloat sheenEnergyComp = 1.0 - max3( material.sheenColor ) * max( sheenAlbedoV, sheenAlbedoL );\n \n \t\tirradiance *= sheenEnergyComp;\n \n \t#endif\n\treflectedLight.directSpecular += irradiance * BRDF_GGX_Multiscatter( directLight.direction, geometryViewDir, geometryNormal, material );\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseContribution );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 diffuse = irradiance * BRDF_Lambert( material.diffuseContribution );\n\t#ifdef USE_SHEEN\n\t\tfloat sheenAlbedo = IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\n\t\tfloat sheenEnergyComp = 1.0 - max3( material.sheenColor ) * sheenAlbedo;\n\t\tdiffuse *= sheenEnergyComp;\n\t#endif\n\treflectedLight.indirectDiffuse += diffuse;\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness ) * RECIPROCAL_PI;\n \t#endif\n\tvec3 singleScatteringDielectric = vec3( 0.0 );\n\tvec3 multiScatteringDielectric = vec3( 0.0 );\n\tvec3 singleScatteringMetallic = vec3( 0.0 );\n\tvec3 multiScatteringMetallic = vec3( 0.0 );\n\t#ifdef USE_IRIDESCENCE\n\t\tcomputeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnelDielectric, material.roughness, singleScatteringDielectric, multiScatteringDielectric );\n\t\tcomputeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.diffuseColor, material.specularF90, material.iridescence, material.iridescenceFresnelMetallic, material.roughness, singleScatteringMetallic, multiScatteringMetallic );\n\t#else\n\t\tcomputeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScatteringDielectric, multiScatteringDielectric );\n\t\tcomputeMultiscattering( geometryNormal, geometryViewDir, material.diffuseColor, material.specularF90, material.roughness, singleScatteringMetallic, multiScatteringMetallic );\n\t#endif\n\tvec3 singleScattering = mix( singleScatteringDielectric, singleScatteringMetallic, material.metalness );\n\tvec3 multiScattering = mix( multiScatteringDielectric, multiScatteringMetallic, material.metalness );\n\tvec3 totalScatteringDielectric = singleScatteringDielectric + multiScatteringDielectric;\n\tvec3 diffuse = material.diffuseContribution * ( 1.0 - totalScatteringDielectric );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\tvec3 indirectSpecular = radiance * singleScattering;\n\tindirectSpecular += multiScattering * cosineWeightedIrradiance;\n\tvec3 indirectDiffuse = diffuse * cosineWeightedIrradiance;\n\t#ifdef USE_SHEEN\n\t\tfloat sheenAlbedo = IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\n\t\tfloat sheenEnergyComp = 1.0 - max3( material.sheenColor ) * sheenAlbedo;\n\t\tindirectSpecular *= sheenEnergyComp;\n\t\tindirectDiffuse *= sheenEnergyComp;\n\t#endif\n\treflectedLight.indirectSpecular += indirectSpecular;\n\treflectedLight.indirectDiffuse += indirectDiffuse;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}",lights_fragment_begin:"\nvec3 geometryPosition = - vViewPosition;\nvec3 geometryNormal = normal;\nvec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\nvec3 geometryClearcoatNormal = vec3( 0.0 );\n#ifdef USE_CLEARCOAT\n\tgeometryClearcoatNormal = clearcoatNormal;\n#endif\n#ifdef USE_IRIDESCENCE\n\tfloat dotNVi = saturate( dot( normal, geometryViewDir ) );\n\tif ( material.iridescenceThickness == 0.0 ) {\n\t\tmaterial.iridescence = 0.0;\n\t} else {\n\t\tmaterial.iridescence = saturate( material.iridescence );\n\t}\n\tif ( material.iridescence > 0.0 ) {\n\t\tmaterial.iridescenceFresnelDielectric = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\n\t\tmaterial.iridescenceFresnelMetallic = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.diffuseColor );\n\t\tmaterial.iridescenceFresnel = mix( material.iridescenceFresnelDielectric, material.iridescenceFresnelMetallic, material.metalness );\n\t\tmaterial.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\n\t}\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointLightInfo( pointLight, geometryPosition, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS ) && ( defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_BASIC ) )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowIntensity, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\tvec4 spotColor;\n\tvec3 spotLightCoord;\n\tbool inSpotLightMap;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotLightInfo( spotLight, geometryPosition, directLight );\n\t\t#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX\n\t\t#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS\n\t\t#else\n\t\t#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#endif\n\t\t#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )\n\t\t\tspotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;\n\t\t\tinSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );\n\t\t\tspotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );\n\t\t\tdirectLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;\n\t\t#endif\n\t\t#undef SPOT_LIGHT_MAP_INDEX\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowIntensity, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalLightInfo( directionalLight, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowIntensity, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\t#if defined( USE_LIGHT_PROBES )\n\t\tirradiance += getLightProbeIrradiance( lightProbe, geometryNormal );\n\t#endif\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif",lights_fragment_maps:"#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\t#if defined( STANDARD ) || defined( LAMBERT ) || defined( PHONG )\n\t\t\tiblIrradiance += getIBLIrradiance( geometryNormal );\n\t\t#endif\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\t#ifdef USE_ANISOTROPY\n\t\tradiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy );\n\t#else\n\t\tradiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness );\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness );\n\t#endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n\t#if defined( LAMBERT ) || defined( PHONG )\n\t\tirradiance += iblIrradiance;\n\t#endif\n\tRE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif",logdepthbuf_fragment:"#if defined( USE_LOGARITHMIC_DEPTH_BUFFER )\n\tgl_FragDepth = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( USE_LOGARITHMIC_DEPTH_BUFFER )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef USE_LOGARITHMIC_DEPTH_BUFFER\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGARITHMIC_DEPTH_BUFFER\n\tvFragDepth = 1.0 + gl_Position.w;\n\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n#endif",map_fragment:"#ifdef USE_MAP\n\tvec4 sampledDiffuseColor = texture2D( map, vMapUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\tsampledDiffuseColor = sRGBTransferEOTF( sampledDiffuseColor );\n\t#endif\n\tdiffuseColor *= sampledDiffuseColor;\n#endif",map_pars_fragment:"#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif",map_particle_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t#if defined( USE_POINTS_UV )\n\t\tvec2 uv = vUv;\n\t#else\n\t\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tdiffuseColor *= texture2D( map, uv );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",map_particle_pars_fragment:"#if defined( USE_POINTS_UV )\n\tvarying vec2 vUv;\n#else\n\t#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t\tuniform mat3 uvTransform;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",metalnessmap_fragment:"float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphinstance_vertex:"#ifdef USE_INSTANCING_MORPH\n\tfloat morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\tfloat morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tmorphTargetInfluences[i] =  texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r;\n\t}\n#endif",morphcolor_vertex:"#if defined( USE_MORPHCOLORS )\n\tvColor *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t#if defined( USE_COLOR_ALPHA )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\n\t\t#elif defined( USE_COLOR )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\n\t\t#endif\n\t}\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\n\t}\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\t#ifndef USE_INSTANCING_MORPH\n\t\tuniform float morphTargetBaseInfluence;\n\t\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\t#endif\n\tuniform sampler2DArray morphTargetsTexture;\n\tuniform ivec2 morphTargetsTextureSize;\n\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n\t\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n\t\tint y = texelIndex / morphTargetsTextureSize.x;\n\t\tint x = texelIndex - y * morphTargetsTextureSize.x;\n\t\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\n\t\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\n\t}\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\n\t}\n#endif",normal_fragment_begin:"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n\tvec3 fdx = dFdx( vViewPosition );\n\tvec3 fdy = dFdy( vViewPosition );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal *= faceDirection;\n\t#endif\n#endif\n#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY )\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn = getTangentFrame( - vViewPosition, normal,\n\t\t#if defined( USE_NORMALMAP )\n\t\t\tvNormalMapUv\n\t\t#elif defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tvClearcoatNormalMapUv\n\t\t#else\n\t\t\tvUv\n\t\t#endif\n\t\t);\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn[0] *= faceDirection;\n\t\ttbn[1] *= faceDirection;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv );\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn2[0] *= faceDirection;\n\t\ttbn2[1] *= faceDirection;\n\t#endif\n#endif\nvec3 nonPerturbedNormal = normal;",normal_fragment_maps:"#ifdef USE_NORMALMAP_OBJECTSPACE\n\tnormal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( USE_NORMALMAP_TANGENTSPACE )\n\tvec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\tnormal = normalize( tbn * mapN );\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif",normal_pars_fragment:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_pars_vertex:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_vertex:"#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif",normalmap_pars_fragment:"#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef USE_NORMALMAP_OBJECTSPACE\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) )\n\tmat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( uv.st );\n\t\tvec2 st1 = dFdy( uv.st );\n\t\tvec3 N = surf_norm;\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det );\n\t\treturn mat3( T * scale, B * scale, N );\n\t}\n#endif",clearcoat_normal_fragment_begin:"#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal = nonPerturbedNormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\tclearcoatNormal = normalize( tbn2 * clearcoatMapN );\n#endif",clearcoat_pars_fragment:"#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif",iridescence_pars_fragment:"#ifdef USE_IRIDESCENCEMAP\n\tuniform sampler2D iridescenceMap;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform sampler2D iridescenceThicknessMap;\n#endif",opaque_fragment:"#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= material.transmissionAlpha;\n#endif\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );",packing:"vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;const float ShiftRight8 = 1. / 256.;\nconst float Inv255 = 1. / 255.;\nconst vec4 PackFactors = vec4( 1.0, 256.0, 256.0 * 256.0, 256.0 * 256.0 * 256.0 );\nconst vec2 UnpackFactors2 = vec2( UnpackDownscale, 1.0 / PackFactors.g );\nconst vec3 UnpackFactors3 = vec3( UnpackDownscale / PackFactors.rg, 1.0 / PackFactors.b );\nconst vec4 UnpackFactors4 = vec4( UnpackDownscale / PackFactors.rgb, 1.0 / PackFactors.a );\nvec4 packDepthToRGBA( const in float v ) {\n\tif( v <= 0.0 )\n\t\treturn vec4( 0., 0., 0., 0. );\n\tif( v >= 1.0 )\n\t\treturn vec4( 1., 1., 1., 1. );\n\tfloat vuf;\n\tfloat af = modf( v * PackFactors.a, vuf );\n\tfloat bf = modf( vuf * ShiftRight8, vuf );\n\tfloat gf = modf( vuf * ShiftRight8, vuf );\n\treturn vec4( vuf * Inv255, gf * PackUpscale, bf * PackUpscale, af );\n}\nvec3 packDepthToRGB( const in float v ) {\n\tif( v <= 0.0 )\n\t\treturn vec3( 0., 0., 0. );\n\tif( v >= 1.0 )\n\t\treturn vec3( 1., 1., 1. );\n\tfloat vuf;\n\tfloat bf = modf( v * PackFactors.b, vuf );\n\tfloat gf = modf( vuf * ShiftRight8, vuf );\n\treturn vec3( vuf * Inv255, gf * PackUpscale, bf );\n}\nvec2 packDepthToRG( const in float v ) {\n\tif( v <= 0.0 )\n\t\treturn vec2( 0., 0. );\n\tif( v >= 1.0 )\n\t\treturn vec2( 1., 1. );\n\tfloat vuf;\n\tfloat gf = modf( v * 256., vuf );\n\treturn vec2( vuf * Inv255, gf );\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors4 );\n}\nfloat unpackRGBToDepth( const in vec3 v ) {\n\treturn dot( v, UnpackFactors3 );\n}\nfloat unpackRGToDepth( const in vec2 v ) {\n\treturn v.r * UnpackFactors2.r + v.g * UnpackFactors2.g;\n}\nvec4 pack2HalfToRGBA( const in vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\n}\nvec2 unpackRGBATo2Half( const in vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\n\t\treturn depth * ( far - near ) - far;\n\t#else\n\t\treturn depth * ( near - far ) - near;\n\t#endif\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\t\n\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\treturn ( near * far ) / ( ( near - far ) * depth - near );\n\t#else\n\t\treturn ( near * far ) / ( ( far - near ) * depth - far );\n\t#endif\n}",premultiplied_alpha_fragment:"#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif",project_vertex:"vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_BATCHING\n\tmvPosition = batchingMatrix * mvPosition;\n#endif\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;",dithering_fragment:"#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif",dithering_pars_fragment:"#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif",roughnessmap_fragment:"float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv );\n\troughnessFactor *= texelRoughness.g;\n#endif",roughnessmap_pars_fragment:"#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",shadowmap_pars_fragment:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#if NUM_SPOT_LIGHT_MAPS > 0\n\tuniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tuniform sampler2DShadow directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\t#else\n\t\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\t#endif\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tuniform sampler2DShadow spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\t#else\n\t\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\t#endif\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tuniform samplerCubeShadow pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\t#elif defined( SHADOWMAP_TYPE_BASIC )\n\t\t\tuniform samplerCube pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\t#endif\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\tfloat interleavedGradientNoise( vec2 position ) {\n\t\t\treturn fract( 52.9829189 * fract( dot( position, vec2( 0.06711056, 0.00583715 ) ) ) );\n\t\t}\n\t\tvec2 vogelDiskSample( int sampleIndex, int samplesCount, float phi ) {\n\t\t\tconst float goldenAngle = 2.399963229728653;\n\t\t\tfloat r = sqrt( ( float( sampleIndex ) + 0.5 ) / float( samplesCount ) );\n\t\t\tfloat theta = float( sampleIndex ) * goldenAngle + phi;\n\t\t\treturn vec2( cos( theta ), sin( theta ) ) * r;\n\t\t}\n\t#endif\n\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\tfloat getShadow( sampler2DShadow shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\t\tfloat shadow = 1.0;\n\t\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\t\tshadowCoord.z += shadowBias;\n\t\t\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n\t\t\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\n\t\t\tif ( frustumTest ) {\n\t\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\t\tfloat radius = shadowRadius * texelSize.x;\n\t\t\t\tfloat phi = interleavedGradientNoise( gl_FragCoord.xy ) * PI2;\n\t\t\t\tshadow = (\n\t\t\t\t\ttexture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 0, 5, phi ) * radius, shadowCoord.z ) ) +\n\t\t\t\t\ttexture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 1, 5, phi ) * radius, shadowCoord.z ) ) +\n\t\t\t\t\ttexture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 2, 5, phi ) * radius, shadowCoord.z ) ) +\n\t\t\t\t\ttexture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 3, 5, phi ) * radius, shadowCoord.z ) ) +\n\t\t\t\t\ttexture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 4, 5, phi ) * radius, shadowCoord.z ) )\n\t\t\t\t) * 0.2;\n\t\t\t}\n\t\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t\t}\n\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\t\tfloat shadow = 1.0;\n\t\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\t\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\t\t\tshadowCoord.z -= shadowBias;\n\t\t\t#else\n\t\t\t\tshadowCoord.z += shadowBias;\n\t\t\t#endif\n\t\t\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n\t\t\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\n\t\t\tif ( frustumTest ) {\n\t\t\t\tvec2 distribution = texture2D( shadowMap, shadowCoord.xy ).rg;\n\t\t\t\tfloat mean = distribution.x;\n\t\t\t\tfloat variance = distribution.y * distribution.y;\n\t\t\t\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\t\t\t\tfloat hard_shadow = step( mean, shadowCoord.z );\n\t\t\t\t#else\n\t\t\t\t\tfloat hard_shadow = step( shadowCoord.z, mean );\n\t\t\t\t#endif\n\t\t\t\t\n\t\t\t\tif ( hard_shadow == 1.0 ) {\n\t\t\t\t\tshadow = 1.0;\n\t\t\t\t} else {\n\t\t\t\t\tvariance = max( variance, 0.0000001 );\n\t\t\t\t\tfloat d = shadowCoord.z - mean;\n\t\t\t\t\tfloat p_max = variance / ( variance + d * d );\n\t\t\t\t\tp_max = clamp( ( p_max - 0.3 ) / 0.65, 0.0, 1.0 );\n\t\t\t\t\tshadow = max( hard_shadow, p_max );\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t\t}\n\t#else\n\t\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\t\tfloat shadow = 1.0;\n\t\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\t\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\t\t\tshadowCoord.z -= shadowBias;\n\t\t\t#else\n\t\t\t\tshadowCoord.z += shadowBias;\n\t\t\t#endif\n\t\t\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n\t\t\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\n\t\t\tif ( frustumTest ) {\n\t\t\t\tfloat depth = texture2D( shadowMap, shadowCoord.xy ).r;\n\t\t\t\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\t\t\t\tshadow = step( depth, shadowCoord.z );\n\t\t\t\t#else\n\t\t\t\t\tshadow = step( shadowCoord.z, depth );\n\t\t\t\t#endif\n\t\t\t}\n\t\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t\t}\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t#if defined( SHADOWMAP_TYPE_PCF )\n\tfloat getPointShadow( samplerCubeShadow shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tfloat shadow = 1.0;\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\tvec3 absVec = abs( lightToPosition );\n\t\tfloat viewSpaceZ = max( max( absVec.x, absVec.y ), absVec.z );\n\t\tif ( viewSpaceZ - shadowCameraFar <= 0.0 && viewSpaceZ - shadowCameraNear >= 0.0 ) {\n\t\t\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\t\t\tfloat dp = ( shadowCameraNear * ( shadowCameraFar - viewSpaceZ ) ) / ( viewSpaceZ * ( shadowCameraFar - shadowCameraNear ) );\n\t\t\t\tdp -= shadowBias;\n\t\t\t#else\n\t\t\t\tfloat dp = ( shadowCameraFar * ( viewSpaceZ - shadowCameraNear ) ) / ( viewSpaceZ * ( shadowCameraFar - shadowCameraNear ) );\n\t\t\t\tdp += shadowBias;\n\t\t\t#endif\n\t\t\tfloat texelSize = shadowRadius / shadowMapSize.x;\n\t\t\tvec3 absDir = abs( bd3D );\n\t\t\tvec3 tangent = absDir.x > absDir.z ? vec3( 0.0, 1.0, 0.0 ) : vec3( 1.0, 0.0, 0.0 );\n\t\t\ttangent = normalize( cross( bd3D, tangent ) );\n\t\t\tvec3 bitangent = cross( bd3D, tangent );\n\t\t\tfloat phi = interleavedGradientNoise( gl_FragCoord.xy ) * PI2;\n\t\t\tvec2 sample0 = vogelDiskSample( 0, 5, phi );\n\t\t\tvec2 sample1 = vogelDiskSample( 1, 5, phi );\n\t\t\tvec2 sample2 = vogelDiskSample( 2, 5, phi );\n\t\t\tvec2 sample3 = vogelDiskSample( 3, 5, phi );\n\t\t\tvec2 sample4 = vogelDiskSample( 4, 5, phi );\n\t\t\tshadow = (\n\t\t\t\ttexture( shadowMap, vec4( bd3D + ( tangent * sample0.x + bitangent * sample0.y ) * texelSize, dp ) ) +\n\t\t\t\ttexture( shadowMap, vec4( bd3D + ( tangent * sample1.x + bitangent * sample1.y ) * texelSize, dp ) ) +\n\t\t\t\ttexture( shadowMap, vec4( bd3D + ( tangent * sample2.x + bitangent * sample2.y ) * texelSize, dp ) ) +\n\t\t\t\ttexture( shadowMap, vec4( bd3D + ( tangent * sample3.x + bitangent * sample3.y ) * texelSize, dp ) ) +\n\t\t\t\ttexture( shadowMap, vec4( bd3D + ( tangent * sample4.x + bitangent * sample4.y ) * texelSize, dp ) )\n\t\t\t) * 0.2;\n\t\t}\n\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t}\n\t#elif defined( SHADOWMAP_TYPE_BASIC )\n\tfloat getPointShadow( samplerCube shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tfloat shadow = 1.0;\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tvec3 absVec = abs( lightToPosition );\n\t\tfloat viewSpaceZ = max( max( absVec.x, absVec.y ), absVec.z );\n\t\tif ( viewSpaceZ - shadowCameraFar <= 0.0 && viewSpaceZ - shadowCameraNear >= 0.0 ) {\n\t\t\tfloat dp = ( shadowCameraFar * ( viewSpaceZ - shadowCameraNear ) ) / ( viewSpaceZ * ( shadowCameraFar - shadowCameraNear ) );\n\t\t\tdp += shadowBias;\n\t\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t\tfloat depth = textureCube( shadowMap, bd3D ).r;\n\t\t\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\t\t\tdepth = 1.0 - depth;\n\t\t\t#endif\n\t\t\tshadow = step( dp, depth );\n\t\t}\n\t\treturn mix( 1.0, shadow, shadowIntensity );\n\t}\n\t#endif\n\t#endif\n#endif",shadowmap_pars_vertex:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowIntensity;\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif",shadowmap_vertex:"#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )\n\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\tvec4 shadowWorldPosition;\n#endif\n#if defined( USE_SHADOWMAP )\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if NUM_SPOT_LIGHT_COORDS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition;\n\t\t#if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\tshadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;\n\t\t#endif\n\t\tvSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n#endif",shadowmask_pars_fragment:"float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowIntensity, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowIntensity, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0 && ( defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_BASIC ) )\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowIntensity, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}",skinbase_vertex:"#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif",skinning_pars_vertex:"#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\tuniform highp sampler2D boneTexture;\n\tmat4 getBoneMatrix( const in float i ) {\n\t\tint size = textureSize( boneTexture, 0 ).x;\n\t\tint j = int( i ) * 4;\n\t\tint x = j % size;\n\t\tint y = j / size;\n\t\tvec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 );\n\t\tvec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 );\n\t\tvec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 );\n\t\tvec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 );\n\t\treturn mat4( v1, v2, v3, v4 );\n\t}\n#endif",skinning_vertex:"#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif",skinnormal_vertex:"#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif",specularmap_fragment:"float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vSpecularMapUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif",specularmap_pars_fragment:"#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif",tonemapping_fragment:"#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif",tonemapping_pars_fragment:"#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn saturate( toneMappingExposure * color );\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 CineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ),\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3(  1.60475, -0.10208, -0.00327 ),\t\tvec3( -0.53108,  1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605,  1.07602 )\n\t);\n\tcolor *= toneMappingExposure / 0.6;\n\tcolor = ACESInputMat * color;\n\tcolor = RRTAndODTFit( color );\n\tcolor = ACESOutputMat * color;\n\treturn saturate( color );\n}\nconst mat3 LINEAR_REC2020_TO_LINEAR_SRGB = mat3(\n\tvec3( 1.6605, - 0.1246, - 0.0182 ),\n\tvec3( - 0.5876, 1.1329, - 0.1006 ),\n\tvec3( - 0.0728, - 0.0083, 1.1187 )\n);\nconst mat3 LINEAR_SRGB_TO_LINEAR_REC2020 = mat3(\n\tvec3( 0.6274, 0.0691, 0.0164 ),\n\tvec3( 0.3293, 0.9195, 0.0880 ),\n\tvec3( 0.0433, 0.0113, 0.8956 )\n);\nvec3 agxDefaultContrastApprox( vec3 x ) {\n\tvec3 x2 = x * x;\n\tvec3 x4 = x2 * x2;\n\treturn + 15.5 * x4 * x2\n\t\t- 40.14 * x4 * x\n\t\t+ 31.96 * x4\n\t\t- 6.868 * x2 * x\n\t\t+ 0.4298 * x2\n\t\t+ 0.1191 * x\n\t\t- 0.00232;\n}\nvec3 AgXToneMapping( vec3 color ) {\n\tconst mat3 AgXInsetMatrix = mat3(\n\t\tvec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ),\n\t\tvec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ),\n\t\tvec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 )\n\t);\n\tconst mat3 AgXOutsetMatrix = mat3(\n\t\tvec3( 1.1271005818144368, - 0.1413297634984383, - 0.14132976349843826 ),\n\t\tvec3( - 0.11060664309660323, 1.157823702216272, - 0.11060664309660294 ),\n\t\tvec3( - 0.016493938717834573, - 0.016493938717834257, 1.2519364065950405 )\n\t);\n\tconst float AgxMinEv = - 12.47393;\tconst float AgxMaxEv = 4.026069;\n\tcolor *= toneMappingExposure;\n\tcolor = LINEAR_SRGB_TO_LINEAR_REC2020 * color;\n\tcolor = AgXInsetMatrix * color;\n\tcolor = max( color, 1e-10 );\tcolor = log2( color );\n\tcolor = ( color - AgxMinEv ) / ( AgxMaxEv - AgxMinEv );\n\tcolor = clamp( color, 0.0, 1.0 );\n\tcolor = agxDefaultContrastApprox( color );\n\tcolor = AgXOutsetMatrix * color;\n\tcolor = pow( max( vec3( 0.0 ), color ), vec3( 2.2 ) );\n\tcolor = LINEAR_REC2020_TO_LINEAR_SRGB * color;\n\tcolor = clamp( color, 0.0, 1.0 );\n\treturn color;\n}\nvec3 NeutralToneMapping( vec3 color ) {\n\tconst float StartCompression = 0.8 - 0.04;\n\tconst float Desaturation = 0.15;\n\tcolor *= toneMappingExposure;\n\tfloat x = min( color.r, min( color.g, color.b ) );\n\tfloat offset = x < 0.08 ? x - 6.25 * x * x : 0.04;\n\tcolor -= offset;\n\tfloat peak = max( color.r, max( color.g, color.b ) );\n\tif ( peak < StartCompression ) return color;\n\tfloat d = 1. - StartCompression;\n\tfloat newPeak = 1. - d * d / ( peak + d - StartCompression );\n\tcolor *= newPeak / peak;\n\tfloat g = 1. - 1. / ( Desaturation * ( peak - newPeak ) + 1. );\n\treturn mix( color, vec3( newPeak ), g );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }",transmission_fragment:"#ifdef USE_TRANSMISSION\n\tmaterial.transmission = transmission;\n\tmaterial.transmissionAlpha = 1.0;\n\tmaterial.thickness = thickness;\n\tmaterial.attenuationDistance = attenuationDistance;\n\tmaterial.attenuationColor = attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tmaterial.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tmaterial.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g;\n\t#endif\n\tvec3 pos = vWorldPosition;\n\tvec3 v = normalize( cameraPosition - pos );\n\tvec3 n = inverseTransformDirection( normal, viewMatrix );\n\tvec4 transmitted = getIBLVolumeRefraction(\n\t\tn, v, material.roughness, material.diffuseContribution, material.specularColorBlended, material.specularF90,\n\t\tpos, modelMatrix, viewMatrix, projectionMatrix, material.dispersion, material.ior, material.thickness,\n\t\tmaterial.attenuationColor, material.attenuationDistance );\n\tmaterial.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission );\n\ttotalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission );\n#endif",transmission_pars_fragment:"#ifdef USE_TRANSMISSION\n\tuniform float transmission;\n\tuniform float thickness;\n\tuniform float attenuationDistance;\n\tuniform vec3 attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tuniform sampler2D transmissionMap;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tuniform sampler2D thicknessMap;\n\t#endif\n\tuniform vec2 transmissionSamplerSize;\n\tuniform sampler2D transmissionSamplerMap;\n\tuniform mat4 modelMatrix;\n\tuniform mat4 projectionMatrix;\n\tvarying vec3 vWorldPosition;\n\tfloat w0( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 );\n\t}\n\tfloat w1( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a *  a * ( 3.0 * a - 6.0 ) + 4.0 );\n\t}\n\tfloat w2( float a ){\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 );\n\t}\n\tfloat w3( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * a * a );\n\t}\n\tfloat g0( float a ) {\n\t\treturn w0( a ) + w1( a );\n\t}\n\tfloat g1( float a ) {\n\t\treturn w2( a ) + w3( a );\n\t}\n\tfloat h0( float a ) {\n\t\treturn - 1.0 + w1( a ) / ( w0( a ) + w1( a ) );\n\t}\n\tfloat h1( float a ) {\n\t\treturn 1.0 + w3( a ) / ( w2( a ) + w3( a ) );\n\t}\n\tvec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) {\n\t\tuv = uv * texelSize.zw + 0.5;\n\t\tvec2 iuv = floor( uv );\n\t\tvec2 fuv = fract( uv );\n\t\tfloat g0x = g0( fuv.x );\n\t\tfloat g1x = g1( fuv.x );\n\t\tfloat h0x = h0( fuv.x );\n\t\tfloat h1x = h1( fuv.x );\n\t\tfloat h0y = h0( fuv.y );\n\t\tfloat h1y = h1( fuv.y );\n\t\tvec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\treturn g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) +\n\t\t\tg1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) );\n\t}\n\tvec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) {\n\t\tvec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) );\n\t\tvec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) );\n\t\tvec2 fLodSizeInv = 1.0 / fLodSize;\n\t\tvec2 cLodSizeInv = 1.0 / cLodSize;\n\t\tvec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) );\n\t\tvec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) );\n\t\treturn mix( fSample, cSample, fract( lod ) );\n\t}\n\tvec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\n\t\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\n\t\tvec3 modelScale;\n\t\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\n\t\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\n\t\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\n\t\treturn normalize( refractionVector ) * thickness * modelScale;\n\t}\n\tfloat applyIorToRoughness( const in float roughness, const in float ior ) {\n\t\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n\t}\n\tvec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\n\t\tfloat lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n\t\treturn textureBicubic( transmissionSamplerMap, fragCoord.xy, lod );\n\t}\n\tvec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tif ( isinf( attenuationDistance ) ) {\n\t\t\treturn vec3( 1.0 );\n\t\t} else {\n\t\t\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n\t\t\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\t\t\treturn transmittance;\n\t\t}\n\t}\n\tvec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\n\t\tconst in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\n\t\tconst in mat4 viewMatrix, const in mat4 projMatrix, const in float dispersion, const in float ior, const in float thickness,\n\t\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tvec4 transmittedLight;\n\t\tvec3 transmittance;\n\t\t#ifdef USE_DISPERSION\n\t\t\tfloat halfSpread = ( ior - 1.0 ) * 0.025 * dispersion;\n\t\t\tvec3 iors = vec3( ior - halfSpread, ior, ior + halfSpread );\n\t\t\tfor ( int i = 0; i < 3; i ++ ) {\n\t\t\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, iors[ i ], modelMatrix );\n\t\t\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\t\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\t\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\t\t\trefractionCoords += 1.0;\n\t\t\t\trefractionCoords /= 2.0;\n\t\t\t\tvec4 transmissionSample = getTransmissionSample( refractionCoords, roughness, iors[ i ] );\n\t\t\t\ttransmittedLight[ i ] = transmissionSample[ i ];\n\t\t\t\ttransmittedLight.a += transmissionSample.a;\n\t\t\t\ttransmittance[ i ] = diffuseColor[ i ] * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance )[ i ];\n\t\t\t}\n\t\t\ttransmittedLight.a /= 3.0;\n\t\t#else\n\t\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n\t\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\t\trefractionCoords += 1.0;\n\t\t\trefractionCoords /= 2.0;\n\t\t\ttransmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n\t\t\ttransmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );\n\t\t#endif\n\t\tvec3 attenuatedColor = transmittance * transmittedLight.rgb;\n\t\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n\t\tfloat transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0;\n\t\treturn vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor );\n\t}\n#endif",uv_pars_fragment:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_pars_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tuniform mat3 mapTransform;\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform mat3 alphaMapTransform;\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tuniform mat3 lightMapTransform;\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tuniform mat3 aoMapTransform;\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tuniform mat3 bumpMapTransform;\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tuniform mat3 normalMapTransform;\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tuniform mat3 displacementMapTransform;\n\tvarying vec2 vDisplacementMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tuniform mat3 emissiveMapTransform;\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tuniform mat3 metalnessMapTransform;\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tuniform mat3 roughnessMapTransform;\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tuniform mat3 anisotropyMapTransform;\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tuniform mat3 clearcoatMapTransform;\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform mat3 clearcoatNormalMapTransform;\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform mat3 clearcoatRoughnessMapTransform;\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tuniform mat3 sheenColorMapTransform;\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tuniform mat3 sheenRoughnessMapTransform;\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tuniform mat3 iridescenceMapTransform;\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform mat3 iridescenceThicknessMapTransform;\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tuniform mat3 specularMapTransform;\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tuniform mat3 specularColorMapTransform;\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tuniform mat3 specularIntensityMapTransform;\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",uv_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvUv = vec3( uv, 1 ).xy;\n#endif\n#ifdef USE_MAP\n\tvMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ALPHAMAP\n\tvAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_LIGHTMAP\n\tvLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_AOMAP\n\tvAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_BUMPMAP\n\tvBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_NORMALMAP\n\tvNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tvDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_METALNESSMAP\n\tvMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULARMAP\n\tvSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tvTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_THICKNESSMAP\n\tvThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_BATCHING\n\t\tworldPosition = batchingMatrix * worldPosition;\n\t#endif\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif",background_vert:"varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}",background_frag:"uniform sampler2D t2D;\nuniform float backgroundIntensity;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\ttexColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",backgroundCube_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\tgl_Position.z = gl_Position.w;\n}",backgroundCube_frag:"#ifdef ENVMAP_TYPE_CUBE\n\tuniform samplerCube envMap;\n#elif defined( ENVMAP_TYPE_CUBE_UV )\n\tuniform sampler2D envMap;\n#endif\nuniform float flipEnvMap;\nuniform float backgroundBlurriness;\nuniform float backgroundIntensity;\nuniform mat3 backgroundRotation;\nvarying vec3 vWorldDirection;\n#include <cube_uv_reflection_fragment>\nvoid main() {\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 texColor = textureCube( envMap, backgroundRotation * vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 texColor = textureCubeUV( envMap, backgroundRotation * vWorldDirection, backgroundBlurriness );\n\t#else\n\t\tvec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",cube_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\tgl_Position.z = gl_Position.w;\n}",cube_frag:"uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldDirection;\nvoid main() {\n\tvec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );\n\tgl_FragColor = texColor;\n\tgl_FragColor.a *= opacity;\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",depth_vert:"#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include <uv_vertex>\n\t#include <batching_vertex>\n\t#include <skinbase_vertex>\n\t#include <morphinstance_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvHighPrecisionZW = gl_Position.zw;\n}",depth_frag:"#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include <clipping_planes_fragment>\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <logdepthbuf_fragment>\n\t#ifdef USE_REVERSED_DEPTH_BUFFER\n\t\tfloat fragCoordZ = vHighPrecisionZW[ 0 ] / vHighPrecisionZW[ 1 ];\n\t#else\n\t\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[ 0 ] / vHighPrecisionZW[ 1 ] + 0.5;\n\t#endif\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#elif DEPTH_PACKING == 3202\n\t\tgl_FragColor = vec4( packDepthToRGB( fragCoordZ ), 1.0 );\n\t#elif DEPTH_PACKING == 3203\n\t\tgl_FragColor = vec4( packDepthToRG( fragCoordZ ), 0.0, 1.0 );\n\t#endif\n}",distance_vert:"#define DISTANCE\nvarying vec3 vWorldPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <batching_vertex>\n\t#include <skinbase_vertex>\n\t#include <morphinstance_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\tvWorldPosition = worldPosition.xyz;\n}",distance_frag:"#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include <common>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main () {\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include <clipping_planes_fragment>\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = vec4( dist, 0.0, 0.0, 1.0 );\n}",equirect_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n}",equirect_frag:"uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",linedashed_vert:"uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include <common>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}",linedashed_frag:"uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",meshbasic_vert:"#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_vertex>\n\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinbase_vertex>\n\t\t#include <skinnormal_vertex>\n\t\t#include <defaultnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <fog_vertex>\n}",meshbasic_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <specularmap_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\treflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include <aomap_fragment>\n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include <envmap_fragment>\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshlambert_vert:"#define LAMBERT\nvarying vec3 vViewPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshlambert_frag:"#define LAMBERT\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_lambert_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_lambert_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshmatcap_vert:"#define MATCAP\nvarying vec3 vViewPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\tvViewPosition = - mvPosition.xyz;\n}",meshmatcap_frag:"#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <fog_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t#else\n\t\tvec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshnormal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",meshnormal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include <uv_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( 0.0, 0.0, 0.0, opacity );\n\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tgl_FragColor = vec4( normalize( normal ) * 0.5 + 0.5, diffuseColor.a );\n\t#ifdef OPAQUE\n\t\tgl_FragColor.a = 1.0;\n\t#endif\n}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshphong_frag:"#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_phong_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_phong_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshphysical_vert:"#define STANDARD\nvarying vec3 vViewPosition;\n#ifdef USE_TRANSMISSION\n\tvarying vec3 vWorldPosition;\n#endif\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n#ifdef USE_TRANSMISSION\n\tvWorldPosition = worldPosition.xyz;\n#endif\n}",meshphysical_frag:"#define STANDARD\n#ifdef PHYSICAL\n\t#define IOR\n\t#define USE_SPECULAR\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef IOR\n\tuniform float ior;\n#endif\n#ifdef USE_SPECULAR\n\tuniform float specularIntensity;\n\tuniform vec3 specularColor;\n\t#ifdef USE_SPECULAR_COLORMAP\n\t\tuniform sampler2D specularColorMap;\n\t#endif\n\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\tuniform sampler2D specularIntensityMap;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_DISPERSION\n\tuniform float dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n\tuniform float iridescence;\n\tuniform float iridescenceIOR;\n\tuniform float iridescenceThicknessMinimum;\n\tuniform float iridescenceThicknessMaximum;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheenColor;\n\tuniform float sheenRoughness;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tuniform sampler2D sheenColorMap;\n\t#endif\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tuniform sampler2D sheenRoughnessMap;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\tuniform vec2 anisotropyVector;\n\t#ifdef USE_ANISOTROPYMAP\n\t\tuniform sampler2D anisotropyMap;\n\t#endif\n#endif\nvarying vec3 vViewPosition;\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <iridescence_fragment>\n#include <cube_uv_reflection_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_physical_pars_fragment>\n#include <transmission_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <clearcoat_pars_fragment>\n#include <iridescence_pars_fragment>\n#include <roughnessmap_pars_fragment>\n#include <metalnessmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <roughnessmap_fragment>\n\t#include <metalnessmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <clearcoat_normal_fragment_begin>\n\t#include <clearcoat_normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_physical_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n\t#include <transmission_fragment>\n\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\n\t#ifdef USE_SHEEN\n \n\t\toutgoingLight = outgoingLight + sheenSpecularDirect + sheenSpecularIndirect;\n \n \t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNVcc = saturate( dot( geometryClearcoatNormal, geometryViewDir ) );\n\t\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n\t\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + ( clearcoatSpecularDirect + clearcoatSpecularIndirect ) * material.clearcoat;\n\t#endif\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshtoon_vert:"#define TOON\nvarying vec3 vViewPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshtoon_frag:"#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <gradientmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_toon_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_toon_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",points_vert:"uniform float size;\nuniform float scale;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n#ifdef USE_POINTS_UV\n\tvarying vec2 vUv;\n\tuniform mat3 uvTransform;\n#endif\nvoid main() {\n\t#ifdef USE_POINTS_UV\n\t\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\t#endif\n\t#include <color_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphcolor_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <fog_vertex>\n}",points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <color_pars_fragment>\n#include <map_particle_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\t#include <logdepthbuf_fragment>\n\t#include <map_particle_fragment>\n\t#include <color_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",shadow_vert:"#include <common>\n#include <batching_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <shadowmap_pars_vertex>\nvoid main() {\n\t#include <batching_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphinstance_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",shadow_frag:"uniform vec3 color;\nuniform float opacity;\n#include <common>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <logdepthbuf_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\nvoid main() {\n\t#include <logdepthbuf_fragment>\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",sprite_vert:"uniform float rotation;\nuniform vec2 center;\n#include <common>\n#include <uv_pars_vertex>\n#include <fog_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\tvec4 mvPosition = modelViewMatrix[ 3 ];\n\tvec2 scale = vec2( length( modelMatrix[ 0 ].xyz ), length( modelMatrix[ 1 ].xyz ) );\n\t#ifndef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\t#endif\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}",sprite_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include 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y(v,h)),M.setAttribute("uv",new y(E,_)),M.setAttribute("faceIndex",new y(S,g)),i.push(new o(M,null)),r>4&&r--}return{lodMeshes:i,sizeLods:t,sigmas:n}}(i)),this._blurMaterial=function(e,t,n){const i=new Float32Array($n),a=new r(0,1,0),o=new l({name:"SphericalGaussianBlur",defines:{n:$n,CUBEUV_TEXEL_WIDTH:1/t,CUBEUV_TEXEL_HEIGHT:1/n,CUBEUV_MAX_MIP:`${e}.0`},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:i},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:a}},vertexShader:di(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include <cube_uv_reflection_fragment>\n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t",blending:I,depthTest:!1,depthWrite:!1});return o}(i,e,t),this._ggxMaterial=function(e,t,n){const i=new l({name:"PMREMGGXConvolution",defines:{GGX_SAMPLES:256,CUBEUV_TEXEL_WIDTH:1/t,CUBEUV_TEXEL_HEIGHT:1/n,CUBEUV_MAX_MIP:`${e}.0`},uniforms:{envMap:{value:null},roughness:{value:0},mipInt:{value:0}},vertexShader:di(),fragmentShader:'\n\n\t\t\tprecision highp float;\n\t\t\tprecision highp int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform float roughness;\n\t\t\tuniform float mipInt;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include <cube_uv_reflection_fragment>\n\n\t\t\t#define PI 3.14159265359\n\n\t\t\t// Van der Corput radical inverse\n\t\t\tfloat radicalInverse_VdC(uint bits) {\n\t\t\t\tbits = (bits << 16u) | (bits >> 16u);\n\t\t\t\tbits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u);\n\t\t\t\tbits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u);\n\t\t\t\tbits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u);\n\t\t\t\tbits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u);\n\t\t\t\treturn float(bits) * 2.3283064365386963e-10; // / 0x100000000\n\t\t\t}\n\n\t\t\t// Hammersley sequence\n\t\t\tvec2 hammersley(uint i, uint N) {\n\t\t\t\treturn vec2(float(i) / float(N), radicalInverse_VdC(i));\n\t\t\t}\n\n\t\t\t// GGX VNDF importance sampling (Eric Heitz 2018)\n\t\t\t// "Sampling the GGX Distribution of Visible Normals"\n\t\t\t// https://jcgt.org/published/0007/04/01/\n\t\t\tvec3 importanceSampleGGX_VNDF(vec2 Xi, vec3 V, float roughness) {\n\t\t\t\tfloat alpha = roughness * roughness;\n\n\t\t\t\t// Section 4.1: Orthonormal basis\n\t\t\t\tvec3 T1 = vec3(1.0, 0.0, 0.0);\n\t\t\t\tvec3 T2 = cross(V, T1);\n\n\t\t\t\t// Section 4.2: Parameterization of projected area\n\t\t\t\tfloat r = sqrt(Xi.x);\n\t\t\t\tfloat phi = 2.0 * PI * Xi.y;\n\t\t\t\tfloat t1 = r * cos(phi);\n\t\t\t\tfloat t2 = r * sin(phi);\n\t\t\t\tfloat s = 0.5 * (1.0 + V.z);\n\t\t\t\tt2 = (1.0 - s) * sqrt(1.0 - t1 * t1) + s * t2;\n\n\t\t\t\t// Section 4.3: Reprojection onto hemisphere\n\t\t\t\tvec3 Nh = t1 * T1 + t2 * T2 + sqrt(max(0.0, 1.0 - t1 * t1 - t2 * t2)) * V;\n\n\t\t\t\t// Section 3.4: Transform back to ellipsoid configuration\n\t\t\t\treturn normalize(vec3(alpha * Nh.x, alpha * Nh.y, max(0.0, Nh.z)));\n\t\t\t}\n\n\t\t\tvoid main() {\n\t\t\t\tvec3 N = normalize(vOutputDirection);\n\t\t\t\tvec3 V = N; // Assume view direction equals normal for pre-filtering\n\n\t\t\t\tvec3 prefilteredColor = vec3(0.0);\n\t\t\t\tfloat totalWeight = 0.0;\n\n\t\t\t\t// For very low roughness, just sample the environment directly\n\t\t\t\tif (roughness < 0.001) {\n\t\t\t\t\tgl_FragColor = vec4(bilinearCubeUV(envMap, N, mipInt), 1.0);\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\t// Tangent space basis for VNDF sampling\n\t\t\t\tvec3 up = abs(N.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0);\n\t\t\t\tvec3 tangent = normalize(cross(up, N));\n\t\t\t\tvec3 bitangent = cross(N, tangent);\n\n\t\t\t\tfor(uint i = 0u; i < uint(GGX_SAMPLES); i++) {\n\t\t\t\t\tvec2 Xi = hammersley(i, uint(GGX_SAMPLES));\n\n\t\t\t\t\t// For PMREM, V = N, so in tangent space V is always (0, 0, 1)\n\t\t\t\t\tvec3 H_tangent = importanceSampleGGX_VNDF(Xi, vec3(0.0, 0.0, 1.0), roughness);\n\n\t\t\t\t\t// Transform H back to world space\n\t\t\t\t\tvec3 H = normalize(tangent * H_tangent.x + bitangent * H_tangent.y + N * H_tangent.z);\n\t\t\t\t\tvec3 L = normalize(2.0 * dot(V, H) * H - V);\n\n\t\t\t\t\tfloat NdotL = max(dot(N, L), 0.0);\n\n\t\t\t\t\tif(NdotL > 0.0) {\n\t\t\t\t\t\t// Sample environment at fixed mip level\n\t\t\t\t\t\t// VNDF importance sampling handles the distribution filtering\n\t\t\t\t\t\tvec3 sampleColor = bilinearCubeUV(envMap, L, mipInt);\n\n\t\t\t\t\t\t// Weight by NdotL for the split-sum approximation\n\t\t\t\t\t\t// VNDF PDF naturally accounts for the visible microfacet distribution\n\t\t\t\t\t\tprefilteredColor += sampleColor * NdotL;\n\t\t\t\t\t\ttotalWeight += NdotL;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tif (totalWeight > 0.0) {\n\t\t\t\t\tprefilteredColor = prefilteredColor / totalWeight;\n\t\t\t\t}\n\n\t\t\t\tgl_FragColor = vec4(prefilteredColor, 1.0);\n\t\t\t}\n\t\t',blending:I,depthTest:!1,depthWrite:!1});return i}(i,e,t)}return i}_compileMaterial(e){const t=new o(new C,e);this._renderer.compile(t,Qn)}_sceneToCubeUV(e,t,n,i,r){const a=new L(90,1,t,n),l=[1,-1,1,1,1,1],d=[1,1,1,-1,-1,-1],u=this._renderer,f=u.autoClear,p=u.toneMapping;u.getClearColor(Jn),u.toneMapping=U,u.autoClear=!1;u.state.buffers.depth.getReversed()&&(u.setRenderTarget(i),u.clearDepth(),u.setRenderTarget(null)),null===this._backgroundBox&&(this._backgroundBox=new o(new s,new D({name:"PMREM.Background",side:c,depthWrite:!1,depthTest:!1})));const m=this._backgroundBox,h=m.material;let _=!1;const g=e.background;g?g.isColor&&(h.color.copy(g),e.background=null,_=!0):(h.color.copy(Jn),_=!0);for(let t=0;t<6;t++){const n=t%3;0===n?(a.up.set(0,l[t],0),a.position.set(r.x,r.y,r.z),a.lookAt(r.x+d[t],r.y,r.z)):1===n?(a.up.set(0,0,l[t]),a.position.set(r.x,r.y,r.z),a.lookAt(r.x,r.y+d[t],r.z)):(a.up.set(0,l[t],0),a.position.set(r.x,r.y,r.z),a.lookAt(r.x,r.y,r.z+d[t]));const o=this._cubeSize;si(i,n*o,t>2?o:0,o,o),u.setRenderTarget(i),_&&u.render(m,a),u.render(e,a)}u.toneMapping=p,u.autoClear=f,e.background=g}_textureToCubeUV(e,t){const n=this._renderer,i=e.mapping===R||e.mapping===b;i?(null===this._cubemapMaterial&&(this._cubemapMaterial=ci()),this._cubemapMaterial.uniforms.flipEnvMap.value=!1===e.isRenderTargetTexture?-1:1):null===this._equirectMaterial&&(this._equirectMaterial=li());const r=i?this._cubemapMaterial:this._equirectMaterial,a=this._lodMeshes[0];a.material=r;r.uniforms.envMap.value=e;const o=this._cubeSize;si(t,0,0,3*o,2*o),n.setRenderTarget(t),n.render(a,Qn)}_applyPMREM(e){const t=this._renderer,n=t.autoClear;t.autoClear=!1;const i=this._lodMeshes.length;for(let t=1;t<i;t++)this._applyGGXFilter(e,t-1,t);t.autoClear=n}_applyGGXFilter(e,t,n){const i=this._renderer,r=this._pingPongRenderTarget,a=this._ggxMaterial,o=this._lodMeshes[n];o.material=a;const s=a.uniforms,l=n/(this._lodMeshes.length-1),c=t/(this._lodMeshes.length-1),d=Math.sqrt(l*l-c*c)*(0+1.25*l),{_lodMax:u}=this,f=this._sizeLods[n],p=3*f*(n>u-4?n-u+4:0),m=4*(this._cubeSize-f);s.envMap.value=e.texture,s.roughness.value=d,s.mipInt.value=u-t,si(r,p,m,3*f,2*f),i.setRenderTarget(r),i.render(o,Qn),s.envMap.value=r.texture,s.roughness.value=0,s.mipInt.value=u-n,si(e,p,m,3*f,2*f),i.setRenderTarget(e),i.render(o,Qn)}_blur(e,t,n,i,r){const a=this._pingPongRenderTarget;this._halfBlur(e,a,t,n,i,"latitudinal",r),this._halfBlur(a,e,n,n,i,"longitudinal",r)}_halfBlur(e,t,n,i,r,a,o){const s=this._renderer,l=this._blurMaterial;"latitudinal"!==a&&"longitudinal"!==a&&w("blur direction must be either latitudinal or longitudinal!");const c=this._lodMeshes[i];c.material=l;const d=l.uniforms,u=this._sizeLods[n]-1,f=isFinite(r)?Math.PI/(2*u):2*Math.PI/39,p=r/f,m=isFinite(r)?1+Math.floor(3*p):$n;m>$n&&E(`sigmaRadians, ${r}, is too large and will clip, as it requested ${m} samples when the maximum is set to 20`);const h=[];let _=0;for(let e=0;e<$n;++e){const t=e/p,n=Math.exp(-t*t/2);h.push(n),0===e?_+=n:e<m&&(_+=2*n)}for(let e=0;e<h.length;e++)h[e]=h[e]/_;d.envMap.value=e.texture,d.samples.value=m,d.weights.value=h,d.latitudinal.value="latitudinal"===a,o&&(d.poleAxis.value=o);const{_lodMax:g}=this;d.dTheta.value=f,d.mipInt.value=g-n;const v=this._sizeLods[i];si(t,3*v*(i>g-4?i-g+4:0),4*(this._cubeSize-v),3*v,2*v),s.setRenderTarget(t),s.render(c,Qn)}}function oi(e,t,n){const i=new N(e,t,n);return i.texture.mapping=a,i.texture.name="PMREM.cubeUv",i.scissorTest=!0,i}function si(e,t,n,i,r){e.viewport.set(t,n,i,r),e.scissor.set(t,n,i,r)}function li(){return new l({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null}},vertexShader:di(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\n\t\t\t#include <common>\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tgl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 );\n\n\t\t\t}\n\t\t",blending:I,depthTest:!1,depthWrite:!1})}function ci(){return new l({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},flipEnvMap:{value:-1}},vertexShader:di(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tuniform float flipEnvMap;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) );\n\n\t\t\t}\n\t\t",blending:I,depthTest:!1,depthWrite:!1})}function di(){return"\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t"}class ui extends N{constructor(e=1,t={}){super(e,e,t),this.isWebGLCubeRenderTarget=!0;const n={width:e,height:e,depth:1},i=[n,n,n,n,n,n];this.texture=new B(i),this._setTextureOptions(t),this.texture.isRenderTargetTexture=!0}fromEquirectangularTexture(e,t){this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const n={uniforms:{tEquirect:{value:null}},vertexShader:"\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include <begin_vertex>\n\t\t\t\t\t#include <project_vertex>\n\n\t\t\t\t}\n\t\t\t",fragmentShader:"\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include <common>\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t"},i=new s(5,5,5),r=new l({name:"CubemapFromEquirect",uniforms:d(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:c,blending:I});r.uniforms.tEquirect.value=t;const a=new o(i,r),u=t.minFilter;t.minFilter===G&&(t.minFilter=O);return new H(1,10,this).update(e,a),t.minFilter=u,a.geometry.dispose(),a.material.dispose(),this}clear(e,t=!0,n=!0,i=!0){const r=e.getRenderTarget();for(let r=0;r<6;r++)e.setRenderTarget(this,r),e.clear(t,n,i);e.setRenderTarget(r)}}function fi(e){let t=new WeakMap,n=new WeakMap,i=null;function r(e,t){return t===V?e.mapping=R:t===W&&(e.mapping=b),e}function a(e){const n=e.target;n.removeEventListener("dispose",a);const i=t.get(n);void 0!==i&&(t.delete(n),i.dispose())}function o(e){const t=e.target;t.removeEventListener("dispose",o);const i=n.get(t);void 0!==i&&(n.delete(t),i.dispose())}return{get:function(s,l=!1){return null==s?null:l?function(t){if(t&&t.isTexture){const r=t.mapping,a=r===V||r===W,s=r===R||r===b;if(a||s){let r=n.get(t);const l=void 0!==r?r.texture.pmremVersion:0;if(t.isRenderTargetTexture&&t.pmremVersion!==l)return null===i&&(i=new ai(e)),r=a?i.fromEquirectangular(t,r):i.fromCubemap(t,r),r.texture.pmremVersion=t.pmremVersion,n.set(t,r),r.texture;if(void 0!==r)return r.texture;{const l=t.image;return a&&l&&l.height>0||s&&l&&function(e){let t=0;const n=6;for(let i=0;i<n;i++)void 0!==e[i]&&t++;return 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null===t&&z("WebGLRenderer: "+e+" extension not supported."),t}}}function mi(e,t,n,i){const r={},a=new WeakMap;function o(e){const s=e.target;null!==s.index&&t.remove(s.index);for(const e in s.attributes)t.remove(s.attributes[e]);s.removeEventListener("dispose",o),delete r[s.id];const l=a.get(s);l&&(t.remove(l),a.delete(s)),i.releaseStatesOfGeometry(s),!0===s.isInstancedBufferGeometry&&delete s._maxInstanceCount,n.memory.geometries--}function s(e){const n=[],i=e.index,r=e.attributes.position;let o=0;if(void 0===r)return;if(null!==i){const e=i.array;o=i.version;for(let t=0,i=e.length;t<i;t+=3){const i=e[t+0],r=e[t+1],a=e[t+2];n.push(i,r,r,a,a,i)}}else{const e=r.array;o=r.version;for(let t=0,i=e.length/3-1;t<i;t+=3){const e=t+0,i=t+1,r=t+2;n.push(e,i,i,r,r,e)}}const s=new(r.count>=65535?k:X)(n,1);s.version=o;const l=a.get(e);l&&t.remove(l),a.set(e,s)}return{get:function(e,t){return!0===r[t.id]||(t.addEventListener("dispose",o),r[t.id]=!0,n.memory.geometries++),t},update:function(n){const 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t={frame:0,calls:0,triangles:0,points:0,lines:0};return{memory:{geometries:0,textures:0},render:t,programs:null,autoReset:!0,reset:function(){t.calls=0,t.triangles=0,t.points=0,t.lines=0},update:function(n,i,r){switch(t.calls++,i){case e.TRIANGLES:t.triangles+=r*(n/3);break;case e.LINES:t.lines+=r*(n/2);break;case e.LINE_STRIP:t.lines+=r*(n-1);break;case e.LINE_LOOP:t.lines+=r*n;break;case e.POINTS:t.points+=r*n;break;default:w("WebGLInfo: Unknown draw mode:",i)}}}}function gi(e,n,i){const r=new WeakMap,a=new Y;return{update:function(o,s,l){const c=o.morphTargetInfluences,d=s.morphAttributes.position||s.morphAttributes.normal||s.morphAttributes.color,u=void 0!==d?d.length:0;let f=r.get(s);if(void 0===f||f.count!==u){void 0!==f&&f.texture.dispose();const p=void 0!==s.morphAttributes.position,m=void 0!==s.morphAttributes.normal,h=void 0!==s.morphAttributes.color,_=s.morphAttributes.position||[],g=s.morphAttributes.normal||[],v=s.morphAttributes.color||[];let 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S=v+_+o,M=v+g+s,T=br(r,r.VERTEX_SHADER,S),x=br(r,r.FRAGMENT_SHADER,M);function A(t){if(e.debug.checkShaderErrors){const n=r.getProgramInfoLog(h)||"",i=r.getShaderInfoLog(T)||"",a=r.getShaderInfoLog(x)||"",o=n.trim(),s=i.trim(),l=a.trim();let c=!0,d=!0;if(!1===r.getProgramParameter(h,r.LINK_STATUS))if(c=!1,"function"==typeof e.debug.onShaderError)e.debug.onShaderError(r,h,T,x);else{const e=Lr(r,T,"vertex"),n=Lr(r,x,"fragment");w("THREE.WebGLProgram: Shader Error "+r.getError()+" - VALIDATE_STATUS "+r.getProgramParameter(h,r.VALIDATE_STATUS)+"\n\nMaterial Name: "+t.name+"\nMaterial Type: "+t.type+"\n\nProgram Info Log: "+o+"\n"+e+"\n"+n)}else""!==o?E("WebGLProgram: Program Info Log:",o):""!==s&&""!==l||(d=!1);d&&(t.diagnostics={runnable:c,programLog:o,vertexShader:{log:s,prefix:_},fragmentShader:{log:l,prefix:g}})}r.deleteShader(T),r.deleteShader(x),R=new Rr(r,h),b=function(e,t){const n={},i=e.getProgramParameter(t,e.ACTIVE_ATTRIBUTES);for(let r=0;r<i;r++){const 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Map}update(e){const t=e.vertexShader,n=e.fragmentShader,i=this._getShaderStage(t),r=this._getShaderStage(n),a=this._getShaderCacheForMaterial(e);return!1===a.has(i)&&(a.add(i),i.usedTimes++),!1===a.has(r)&&(a.add(r),r.usedTimes++),this}remove(e){const t=this.materialCache.get(e);for(const e of t)e.usedTimes--,0===e.usedTimes&&this.shaderCache.delete(e.code);return this.materialCache.delete(e),this}getVertexShaderID(e){return this._getShaderStage(e.vertexShader).id}getFragmentShaderID(e){return this._getShaderStage(e.fragmentShader).id}dispose(){this.shaderCache.clear(),this.materialCache.clear()}_getShaderCacheForMaterial(e){const t=this.materialCache;let n=t.get(e);return void 0===n&&(n=new Set,t.set(e,n)),n}_getShaderStage(e){const t=this.shaderCache;let n=t.get(e);return void 0===n&&(n=new Jr(e),t.set(e,n)),n}}class Jr{constructor(e){this.id=$r++,this.code=e,this.usedTimes=0}}function ea(e,t,n,i,r,o){const s=new Se,l=new Qr,d=new Set,u=[],f=new Map,h=i.logarithmicDepthBuffer;let 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O=e.getRenderTarget(),B=e.state.buffers.depth.getReversed(),G=!0===S.isInstancedMesh,H=!0===S.isBatchedMesh,V=!!r.map,W=!!r.matcap,z=!!R,k=!!r.aoMap,X=!!r.lightMap,Y=!!r.bumpMap,K=!!r.normalMap,q=!!r.displacementMap,j=!!r.emissiveMap,Z=!!r.metalnessMap,$=!!r.roughnessMap,Q=r.anisotropy>0,J=r.clearcoat>0,ee=r.dispersion>0,te=r.iridescence>0,ne=r.sheen>0,ie=r.transmission>0,re=Q&&!!r.anisotropyMap,ae=J&&!!r.clearcoatMap,oe=J&&!!r.clearcoatNormalMap,se=J&&!!r.clearcoatRoughnessMap,le=te&&!!r.iridescenceMap,ce=te&&!!r.iridescenceThicknessMap,de=ne&&!!r.sheenColorMap,ue=ne&&!!r.sheenRoughnessMap,fe=!!r.specularMap,pe=!!r.specularColorMap,me=!!r.specularIntensityMap,he=ie&&!!r.transmissionMap,Se=ie&&!!r.thicknessMap,Me=!!r.gradientMap,Te=!!r.alphaMap,xe=r.alphaTest>0,Ae=!!r.alphaHash,Re=!!r.extensions;let be=U;r.toneMapped&&(null!==O&&!0!==O.isXRRenderTarget||(be=e.toneMapping));const Ce={shaderID:C,shaderType:r.type,shaderName:r.name,vertexShader:D,fragmentShader:w,defines:r.defines,customVertexShaderID:I,customFragmentShaderID:N,isRawShaderMaterial:!0===r.isRawShaderMaterial,glslVersion:r.glslVersion,precision:_,batching:H,batchingColor:H&&null!==S._colorsTexture,instancing:G,instancingColor:G&&null!==S.instanceColor,instancingMorph:G&&null!==S.morphTexture,outputColorSpace:null===O?e.outputColorSpace:!0===O.isXRRenderTarget?O.texture.colorSpace:F,alphaToCoverage:!!r.alphaToCoverage,map:V,matcap:W,envMap:z,envMapMode:z&&R.mapping,envMapCubeUVHeight:b,aoMap:k,lightMap:X,bumpMap:Y,normalMap:K,displacementMap:q,emissiveMap:j,normalMapObjectSpace:K&&r.normalMapType===Ee,normalMapTangentSpace:K&&r.normalMapType===ve,metalnessMap:Z,roughnessMap:$,anisotropy:Q,anisotropyMap:re,clearcoat:J,clearcoatMap:ae,clearcoatNormalMap:oe,clearcoatRoughnessMap:se,dispersion:ee,iridescence:te,iridescenceMap:le,iridescenceThicknessMap:ce,sheen:ne,sheenColorMap:de,sheenRoughnessMap:ue,specularMap:fe,specularColorMap:pe,specularIntensityMap:me,transmission:ie,transmissionMap:he,thicknessMap:Se,gradientMap:Me,opaque:!1===r.transparent&&r.blending===ge&&!1===r.alphaToCoverage,alphaMap:Te,alphaTest:xe,alphaHash:Ae,combine:r.combine,mapUv:V&&v(r.map.channel),aoMapUv:k&&v(r.aoMap.channel),lightMapUv:X&&v(r.lightMap.channel),bumpMapUv:Y&&v(r.bumpMap.channel),normalMapUv:K&&v(r.normalMap.channel),displacementMapUv:q&&v(r.displacementMap.channel),emissiveMapUv:j&&v(r.emissiveMap.channel),metalnessMapUv:Z&&v(r.metalnessMap.channel),roughnessMapUv:$&&v(r.roughnessMap.channel),anisotropyMapUv:re&&v(r.anisotropyMap.channel),clearcoatMapUv:ae&&v(r.clearcoatMap.channel),clearcoatNormalMapUv:oe&&v(r.clearcoatNormalMap.channel),clearcoatRoughnessMapUv:se&&v(r.clearcoatRoughnessMap.channel),iridescenceMapUv:le&&v(r.iridescenceMap.channel),iridescenceThicknessMapUv:ce&&v(r.iridescenceThicknessMap.channel),sheenColorMapUv:de&&v(r.sheenColorMap.channel),sheenRoughnessMapUv:ue&&v(r.sheenRoughnessMap.channel),specularMapUv:fe&&v(r.specularMap.channel),specularColorMapUv:pe&&v(r.specularColorMap.channel),specularIntensityMapUv:me&&v(r.specularIntensityMap.channel),transmissionMapUv:he&&v(r.transmissionMap.channel),thicknessMapUv:Se&&v(r.thicknessMap.channel),alphaMapUv:Te&&v(r.alphaMap.channel),vertexTangents:!!T.attributes.tangent&&(K||Q),vertexColors:r.vertexColors,vertexAlphas:!0===r.vertexColors&&!!T.attributes.color&&4===T.attributes.color.itemSize,pointsUvs:!0===S.isPoints&&!!T.attributes.uv&&(V||Te),fog:!!M,useFog:!0===r.fog,fogExp2:!!M&&M.isFogExp2,flatShading:!1===r.wireframe&&(!0===r.flatShading||void 0===T.attributes.normal&&!1===K&&(r.isMeshLambertMaterial||r.isMeshPhongMaterial||r.isMeshStandardMaterial||r.isMeshPhysicalMaterial)),sizeAttenuation:!0===r.sizeAttenuation,logarithmicDepthBuffer:h,reversedDepthBuffer:B,skinning:!0===S.isSkinnedMesh,morphTargets:void 0!==T.morphAttributes.position,morphNormals:void 0!==T.morphAttributes.normal,morphColors:void 0!==T.morphAttributes.color,morphTargetsCount:L,morphTextureStride:y,numDirLights:s.directional.length,numPointLights:s.point.length,numSpotLights:s.spot.length,numSpotLightMaps:s.spotLightMap.length,numRectAreaLights:s.rectArea.length,numHemiLights:s.hemi.length,numDirLightShadows:s.directionalShadowMap.length,numPointLightShadows:s.pointShadowMap.length,numSpotLightShadows:s.spotShadowMap.length,numSpotLightShadowsWithMaps:s.numSpotLightShadowsWithMaps,numLightProbes:s.numLightProbes,numClippingPlanes:o.numPlanes,numClipIntersection:o.numIntersection,dithering:r.dithering,shadowMapEnabled:e.shadowMap.enabled&&u.length>0,shadowMapType:e.shadowMap.type,toneMapping:be,decodeVideoTexture:V&&!0===r.map.isVideoTexture&&p.getTransfer(r.map.colorSpace)===m,decodeVideoTextureEmissive:j&&!0===r.emissiveMap.isVideoTexture&&p.getTransfer(r.emissiveMap.colorSpace)===m,premultipliedAlpha:r.premultipliedAlpha,doubleSided:r.side===_e,flipSided:r.side===c,useDepthPacking:r.depthPacking>=0,depthPacking:r.depthPacking||0,index0AttributeName:r.index0AttributeName,extensionClipCullDistance:Re&&!0===r.extensions.clipCullDistance&&n.has("WEBGL_clip_cull_distance"),extensionMultiDraw:(Re&&!0===r.extensions.multiDraw||H)&&n.has("WEBGL_multi_draw"),rendererExtensionParallelShaderCompile:n.has("KHR_parallel_shader_compile"),customProgramCacheKey:r.customProgramCacheKey()};return Ce.vertexUv1s=d.has(1),Ce.vertexUv2s=d.has(2),Ce.vertexUv3s=d.has(3),d.clear(),Ce},getProgramCacheKey:function(t){const n=[];if(t.shaderID?n.push(t.shaderID):(n.push(t.customVertexShaderID),n.push(t.customFragmentShaderID)),void 0!==t.defines)for(const e in t.defines)n.push(e),n.push(t.defines[e]);return!1===t.isRawShaderMaterial&&(!function(e,t){e.push(t.precision),e.push(t.outputColorSpace),e.push(t.envMapMode),e.push(t.envMapCubeUVHeight),e.push(t.mapUv),e.push(t.alphaMapUv),e.push(t.lightMapUv),e.push(t.aoMapUv),e.push(t.bumpMapUv),e.push(t.normalMapUv),e.push(t.displacementMapUv),e.push(t.emissiveMapUv),e.push(t.metalnessMapUv),e.push(t.roughnessMapUv),e.push(t.anisotropyMapUv),e.push(t.clearcoatMapUv),e.push(t.clearcoatNormalMapUv),e.push(t.clearcoatRoughnessMapUv),e.push(t.iridescenceMapUv),e.push(t.iridescenceThicknessMapUv),e.push(t.sheenColorMapUv),e.push(t.sheenRoughnessMapUv),e.push(t.specularMapUv),e.push(t.specularColorMapUv),e.push(t.specularIntensityMapUv),e.push(t.transmissionMapUv),e.push(t.thicknessMapUv),e.push(t.combine),e.push(t.fogExp2),e.push(t.sizeAttenuation),e.push(t.morphTargetsCount),e.push(t.morphAttributeCount),e.push(t.numDirLights),e.push(t.numPointLights),e.push(t.numSpotLights),e.push(t.numSpotLightMaps),e.push(t.numHemiLights),e.push(t.numRectAreaLights),e.push(t.numDirLightShadows),e.push(t.numPointLightShadows),e.push(t.numSpotLightShadows),e.push(t.numSpotLightShadowsWithMaps),e.push(t.numLightProbes),e.push(t.shadowMapType),e.push(t.toneMapping),e.push(t.numClippingPlanes),e.push(t.numClipIntersection),e.push(t.depthPacking)}(n,t),function(e,t){s.disableAll(),t.instancing&&s.enable(0);t.instancingColor&&s.enable(1);t.instancingMorph&&s.enable(2);t.matcap&&s.enable(3);t.envMap&&s.enable(4);t.normalMapObjectSpace&&s.enable(5);t.normalMapTangentSpace&&s.enable(6);t.clearcoat&&s.enable(7);t.iridescence&&s.enable(8);t.alphaTest&&s.enable(9);t.vertexColors&&s.enable(10);t.vertexAlphas&&s.enable(11);t.vertexUv1s&&s.enable(12);t.vertexUv2s&&s.enable(13);t.vertexUv3s&&s.enable(14);t.vertexTangents&&s.enable(15);t.anisotropy&&s.enable(16);t.alphaHash&&s.enable(17);t.batching&&s.enable(18);t.dispersion&&s.enable(19);t.batchingColor&&s.enable(20);t.gradientMap&&s.enable(21);e.push(s.mask),s.disableAll(),t.fog&&s.enable(0);t.useFog&&s.enable(1);t.flatShading&&s.enable(2);t.logarithmicDepthBuffer&&s.enable(3);t.reversedDepthBuffer&&s.enable(4);t.skinning&&s.enable(5);t.morphTargets&&s.enable(6);t.morphNormals&&s.enable(7);t.morphColors&&s.enable(8);t.premultipliedAlpha&&s.enable(9);t.shadowMapEnabled&&s.enable(10);t.doubleSided&&s.enable(11);t.flipSided&&s.enable(12);t.useDepthPacking&&s.enable(13);t.dithering&&s.enable(14);t.transmission&&s.enable(15);t.sheen&&s.enable(16);t.opaque&&s.enable(17);t.pointsUvs&&s.enable(18);t.decodeVideoTexture&&s.enable(19);t.decodeVideoTextureEmissive&&s.enable(20);t.alphaToCoverage&&s.enable(21);e.push(s.mask)}(n,t),n.push(e.outputColorSpace)),n.push(t.customProgramCacheKey),n.join()},getUniforms:function(e){const t=g[e.type];let n;if(t){const e=Vn[t];n=he.clone(e.uniforms)}else n=e.uniforms;return n},acquireProgram:function(t,n){let i=f.get(n);return void 0!==i?++i.usedTimes:(i=new Zr(e,n,t,r),u.push(i),f.set(n,i)),i},releaseProgram:function(e){if(0===--e.usedTimes){const t=u.indexOf(e);u[t]=u[u.length-1],u.pop(),f.delete(e.cacheKey),e.destroy()}},releaseShaderCache:function(e){l.remove(e)},programs:u,dispose:function(){l.dispose()}}}function ta(){let e=new WeakMap;return{has:function(t){return e.has(t)},get:function(t){let n=e.get(t);return void 0===n&&(n={},e.set(t,n)),n},remove:function(t){e.delete(t)},update:function(t,n,i){e.get(t)[n]=i},dispose:function(){e=new WeakMap}}}function na(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.material.id!==t.material.id?e.material.id-t.material.id:e.materialVariant!==t.materialVariant?e.materialVariant-t.materialVariant:e.z!==t.z?e.z-t.z:e.id-t.id}function ia(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?t.z-e.z:e.id-t.id}function ra(){const e=[];let t=0;const n=[],i=[],r=[];function a(e){let t=0;return e.isInstancedMesh&&(t+=2),e.isSkinnedMesh&&(t+=1),t}function o(n,i,r,o,s,l){let c=e[t];return void 0===c?(c={id:n.id,object:n,geometry:i,material:r,materialVariant:a(n),groupOrder:o,renderOrder:n.renderOrder,z:s,group:l},e[t]=c):(c.id=n.id,c.object=n,c.geometry=i,c.material=r,c.materialVariant=a(n),c.groupOrder=o,c.renderOrder=n.renderOrder,c.z=s,c.group=l),t++,c}return{opaque:n,transmissive:i,transparent:r,init:function(){t=0,n.length=0,i.length=0,r.length=0},push:function(e,t,a,s,l,c){const d=o(e,t,a,s,l,c);a.transmission>0?i.push(d):!0===a.transparent?r.push(d):n.push(d)},unshift:function(e,t,a,s,l,c){const d=o(e,t,a,s,l,c);a.transmission>0?i.unshift(d):!0===a.transparent?r.unshift(d):n.unshift(d)},finish:function(){for(let n=t,i=e.length;n<i;n++){const t=e[n];if(null===t.id)break;t.id=null,t.object=null,t.geometry=null,t.material=null,t.group=null}},sort:function(e,t){n.length>1&&n.sort(e||na),i.length>1&&i.sort(t||ia),r.length>1&&r.sort(t||ia)}}}function aa(){let e=new WeakMap;return{get:function(t,n){const i=e.get(t);let r;return void 0===i?(r=new ra,e.set(t,[r])):n>=i.length?(r=new ra,i.push(r)):r=i[n],r},dispose:function(){e=new WeakMap}}}function oa(){const e={};return{get:function(t){if(void 0!==e[t.id])return e[t.id];let i;switch(t.type){case"DirectionalLight":i={direction:new r,color:new n};break;case"SpotLight":i={position:new r,direction:new r,color:new n,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":i={position:new r,color:new n,distance:0,decay:0};break;case"HemisphereLight":i={direction:new r,skyColor:new n,groundColor:new n};break;case"RectAreaLight":i={color:new n,position:new r,halfWidth:new r,halfHeight:new r}}return e[t.id]=i,i}}}let sa=0;function la(e,t){return(t.castShadow?2:0)-(e.castShadow?2:0)+(t.map?1:0)-(e.map?1:0)}function ca(e){const n=new oa,i=function(){const e={};return{get:function(n){if(void 0!==e[n.id])return e[n.id];let i;switch(n.type){case"DirectionalLight":case"SpotLight":i={shadowIntensity:1,shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new t};break;case"PointLight":i={shadowIntensity:1,shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new t,shadowCameraNear:1,shadowCameraFar:1e3}}return e[n.id]=i,i}}}(),a={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1,numSpotMaps:-1,numLightProbes:-1},ambient:[0,0,0],probe:[],directional:[],directionalShadow:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotLightMap:[],spotShadow:[],spotShadowMap:[],spotLightMatrix:[],rectArea:[],rectAreaLTC1:null,rectAreaLTC2:null,point:[],pointShadow:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[],numSpotLightShadowsWithMaps:0,numLightProbes:0};for(let e=0;e<9;e++)a.probe.push(new r);const o=new r,s=new f,l=new f;return{setup:function(t){let r=0,o=0,s=0;for(let e=0;e<9;e++)a.probe[e].set(0,0,0);let l=0,c=0,d=0,u=0,f=0,p=0,m=0,h=0,_=0,g=0,v=0;t.sort(la);for(let e=0,E=t.length;e<E;e++){const E=t[e],S=E.color,M=E.intensity,T=E.distance;let x=null;if(E.shadow&&E.shadow.map&&(x=E.shadow.map.texture.format===Me?E.shadow.map.texture:E.shadow.map.depthTexture||E.shadow.map.texture),E.isAmbientLight)r+=S.r*M,o+=S.g*M,s+=S.b*M;else if(E.isLightProbe){for(let e=0;e<9;e++)a.probe[e].addScaledVector(E.sh.coefficients[e],M);v++}else if(E.isDirectionalLight){const e=n.get(E);if(e.color.copy(E.color).multiplyScalar(E.intensity),E.castShadow){const e=E.shadow,t=i.get(E);t.shadowIntensity=e.intensity,t.shadowBias=e.bias,t.shadowNormalBias=e.normalBias,t.shadowRadius=e.radius,t.shadowMapSize=e.mapSize,a.directionalShadow[l]=t,a.directionalShadowMap[l]=x,a.directionalShadowMatrix[l]=E.shadow.matrix,p++}a.directional[l]=e,l++}else if(E.isSpotLight){const e=n.get(E);e.position.setFromMatrixPosition(E.matrixWorld),e.color.copy(S).multiplyScalar(M),e.distance=T,e.coneCos=Math.cos(E.angle),e.penumbraCos=Math.cos(E.angle*(1-E.penumbra)),e.decay=E.decay,a.spot[d]=e;const t=E.shadow;if(E.map&&(a.spotLightMap[_]=E.map,_++,t.updateMatrices(E),E.castShadow&&g++),a.spotLightMatrix[d]=t.matrix,E.castShadow){const e=i.get(E);e.shadowIntensity=t.intensity,e.shadowBias=t.bias,e.shadowNormalBias=t.normalBias,e.shadowRadius=t.radius,e.shadowMapSize=t.mapSize,a.spotShadow[d]=e,a.spotShadowMap[d]=x,h++}d++}else if(E.isRectAreaLight){const e=n.get(E);e.color.copy(S).multiplyScalar(M),e.halfWidth.set(.5*E.width,0,0),e.halfHeight.set(0,.5*E.height,0),a.rectArea[u]=e,u++}else if(E.isPointLight){const e=n.get(E);if(e.color.copy(E.color).multiplyScalar(E.intensity),e.distance=E.distance,e.decay=E.decay,E.castShadow){const e=E.shadow,t=i.get(E);t.shadowIntensity=e.intensity,t.shadowBias=e.bias,t.shadowNormalBias=e.normalBias,t.shadowRadius=e.radius,t.shadowMapSize=e.mapSize,t.shadowCameraNear=e.camera.near,t.shadowCameraFar=e.camera.far,a.pointShadow[c]=t,a.pointShadowMap[c]=x,a.pointShadowMatrix[c]=E.shadow.matrix,m++}a.point[c]=e,c++}else if(E.isHemisphereLight){const e=n.get(E);e.skyColor.copy(E.color).multiplyScalar(M),e.groundColor.copy(E.groundColor).multiplyScalar(M),a.hemi[f]=e,f++}}u>0&&(!0===e.has("OES_texture_float_linear")?(a.rectAreaLTC1=Hn.LTC_FLOAT_1,a.rectAreaLTC2=Hn.LTC_FLOAT_2):(a.rectAreaLTC1=Hn.LTC_HALF_1,a.rectAreaLTC2=Hn.LTC_HALF_2)),a.ambient[0]=r,a.ambient[1]=o,a.ambient[2]=s;const E=a.hash;E.directionalLength===l&&E.pointLength===c&&E.spotLength===d&&E.rectAreaLength===u&&E.hemiLength===f&&E.numDirectionalShadows===p&&E.numPointShadows===m&&E.numSpotShadows===h&&E.numSpotMaps===_&&E.numLightProbes===v||(a.directional.length=l,a.spot.length=d,a.rectArea.length=u,a.point.length=c,a.hemi.length=f,a.directionalShadow.length=p,a.directionalShadowMap.length=p,a.pointShadow.length=m,a.pointShadowMap.length=m,a.spotShadow.length=h,a.spotShadowMap.length=h,a.directionalShadowMatrix.length=p,a.pointShadowMatrix.length=m,a.spotLightMatrix.length=h+_-g,a.spotLightMap.length=_,a.numSpotLightShadowsWithMaps=g,a.numLightProbes=v,E.directionalLength=l,E.pointLength=c,E.spotLength=d,E.rectAreaLength=u,E.hemiLength=f,E.numDirectionalShadows=p,E.numPointShadows=m,E.numSpotShadows=h,E.numSpotMaps=_,E.numLightProbes=v,a.version=sa++)},setupView:function(e,t){let n=0,i=0,r=0,c=0,d=0;const u=t.matrixWorldInverse;for(let t=0,f=e.length;t<f;t++){const f=e[t];if(f.isDirectionalLight){const e=a.directional[n];e.direction.setFromMatrixPosition(f.matrixWorld),o.setFromMatrixPosition(f.target.matrixWorld),e.direction.sub(o),e.direction.transformDirection(u),n++}else if(f.isSpotLight){const e=a.spot[r];e.position.setFromMatrixPosition(f.matrixWorld),e.position.applyMatrix4(u),e.direction.setFromMatrixPosition(f.matrixWorld),o.setFromMatrixPosition(f.target.matrixWorld),e.direction.sub(o),e.direction.transformDirection(u),r++}else if(f.isRectAreaLight){const e=a.rectArea[c];e.position.setFromMatrixPosition(f.matrixWorld),e.position.applyMatrix4(u),l.identity(),s.copy(f.matrixWorld),s.premultiply(u),l.extractRotation(s),e.halfWidth.set(.5*f.width,0,0),e.halfHeight.set(0,.5*f.height,0),e.halfWidth.applyMatrix4(l),e.halfHeight.applyMatrix4(l),c++}else if(f.isPointLight){const e=a.point[i];e.position.setFromMatrixPosition(f.matrixWorld),e.position.applyMatrix4(u),i++}else if(f.isHemisphereLight){const 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a=r.get(n[t]).__webglTexture;i.bindFramebuffer(e.FRAMEBUFFER,d.__webglFramebuffer),e.framebufferTexture2D(e.DRAW_FRAMEBUFFER,e.COLOR_ATTACHMENT0+t,e.TEXTURE_2D,a,0)}i.bindFramebuffer(e.DRAW_FRAMEBUFFER,d.__webglMultisampledFramebuffer)}else if(t.depthBuffer&&!1===t.resolveDepthBuffer&&c){const n=t.stencilBuffer?e.DEPTH_STENCIL_ATTACHMENT:e.DEPTH_ATTACHMENT;e.invalidateFramebuffer(e.DRAW_FRAMEBUFFER,[n])}},this.setupDepthRenderbuffer=q,this.setupFrameBufferTexture=X,this.useMultisampledRTT=Q,this.isReversedDepthBuffer=function(){return i.buffers.depth.getReversed()}}function Sa(e,t){return{convert:function(n,i=At){let r;const a=p.getTransfer(i);if(n===M)return e.UNSIGNED_BYTE;if(n===Ut)return e.UNSIGNED_SHORT_4_4_4_4;if(n===Dt)return e.UNSIGNED_SHORT_5_5_5_1;if(n===wt)return e.UNSIGNED_INT_5_9_9_9_REV;if(n===It)return e.UNSIGNED_INT_10F_11F_11F_REV;if(n===Nt)return e.BYTE;if(n===yt)return e.SHORT;if(n===Pt)return e.UNSIGNED_SHORT;if(n===v)return e.INT;if(n===Le)return e.UNSIGNED_INT;if(n===T)return e.FLOAT;if(n===S)return e.HALF_FLOAT;if(n===Ft)return e.ALPHA;if(n===Ot)return e.RGB;if(n===x)return e.RGBA;if(n===be)return e.DEPTH_COMPONENT;if(n===Rt)return e.DEPTH_STENCIL;if(n===Bt)return e.RED;if(n===Gt)return e.RED_INTEGER;if(n===Me)return e.RG;if(n===Ht)return e.RG_INTEGER;if(n===Vt)return e.RGBA_INTEGER;if(n===Wt||n===zt||n===kt||n===Xt)if(a===m){if(r=t.get("WEBGL_compressed_texture_s3tc_srgb"),null===r)return null;if(n===Wt)return r.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(n===zt)return r.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(n===kt)return r.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(n===Xt)return r.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(r=t.get("WEBGL_compressed_texture_s3tc"),null===r)return null;if(n===Wt)return r.COMPRESSED_RGB_S3TC_DXT1_EXT;if(n===zt)return r.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(n===kt)return r.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(n===Xt)return r.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(n===Yt||n===Kt||n===qt||n===jt){if(r=t.get("WEBGL_compressed_texture_pvrtc"),null===r)return null;if(n===Yt)return r.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(n===Kt)return r.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(n===qt)return r.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(n===jt)return r.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(n===Zt||n===$t||n===Qt||n===Jt||n===en||n===tn||n===nn){if(r=t.get("WEBGL_compressed_texture_etc"),null===r)return null;if(n===Zt||n===$t)return a===m?r.COMPRESSED_SRGB8_ETC2:r.COMPRESSED_RGB8_ETC2;if(n===Qt)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:r.COMPRESSED_RGBA8_ETC2_EAC;if(n===Jt)return r.COMPRESSED_R11_EAC;if(n===en)return r.COMPRESSED_SIGNED_R11_EAC;if(n===tn)return r.COMPRESSED_RG11_EAC;if(n===nn)return r.COMPRESSED_SIGNED_RG11_EAC}if(n===rn||n===an||n===on||n===sn||n===ln||n===cn||n===dn||n===un||n===fn||n===pn||n===mn||n===hn||n===_n||n===gn){if(r=t.get("WEBGL_compressed_texture_astc"),null===r)return null;if(n===rn)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:r.COMPRESSED_RGBA_ASTC_4x4_KHR;if(n===an)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:r.COMPRESSED_RGBA_ASTC_5x4_KHR;if(n===on)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:r.COMPRESSED_RGBA_ASTC_5x5_KHR;if(n===sn)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:r.COMPRESSED_RGBA_ASTC_6x5_KHR;if(n===ln)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:r.COMPRESSED_RGBA_ASTC_6x6_KHR;if(n===cn)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:r.COMPRESSED_RGBA_ASTC_8x5_KHR;if(n===dn)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:r.COMPRESSED_RGBA_ASTC_8x6_KHR;if(n===un)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:r.COMPRESSED_RGBA_ASTC_8x8_KHR;if(n===fn)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:r.COMPRESSED_RGBA_ASTC_10x5_KHR;if(n===pn)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:r.COMPRESSED_RGBA_ASTC_10x6_KHR;if(n===mn)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:r.COMPRESSED_RGBA_ASTC_10x8_KHR;if(n===hn)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:r.COMPRESSED_RGBA_ASTC_10x10_KHR;if(n===_n)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:r.COMPRESSED_RGBA_ASTC_12x10_KHR;if(n===gn)return a===m?r.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:r.COMPRESSED_RGBA_ASTC_12x12_KHR}if(n===vn||n===En||n===Sn){if(r=t.get("EXT_texture_compression_bptc"),null===r)return null;if(n===vn)return a===m?r.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:r.COMPRESSED_RGBA_BPTC_UNORM_EXT;if(n===En)return r.COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT;if(n===Sn)return r.COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT}if(n===Mn||n===Tn||n===xn||n===An){if(r=t.get("EXT_texture_compression_rgtc"),null===r)return null;if(n===Mn)return r.COMPRESSED_RED_RGTC1_EXT;if(n===Tn)return r.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(n===xn)return r.COMPRESSED_RED_GREEN_RGTC2_EXT;if(n===An)return r.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}return n===Ct?e.UNSIGNED_INT_24_8:void 0!==e[n]?e[n]:null}}}class Ma{constructor(){this.texture=null,this.mesh=null,this.depthNear=0,this.depthFar=0}init(e,t){if(null===this.texture){const n=new Rn(e.texture);e.depthNear===t.depthNear&&e.depthFar===t.depthFar||(this.depthNear=e.depthNear,this.depthFar=e.depthFar),this.texture=n}}getMesh(e){if(null!==this.texture&&null===this.mesh){const t=e.cameras[0].viewport,n=new l({vertexShader:"\nvoid main() {\n\n\tgl_Position = vec4( position, 1.0 );\n\n}",fragmentShader:"\nuniform sampler2DArray depthColor;\nuniform float depthWidth;\nuniform float depthHeight;\n\nvoid main() {\n\n\tvec2 coord = vec2( gl_FragCoord.x / depthWidth, gl_FragCoord.y / depthHeight );\n\n\tif ( coord.x >= 1.0 ) {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x - 1.0, coord.y, 1 ) ).r;\n\n\t} else {\n\n\t\tgl_FragDepth = texture( depthColor, vec3( coord.x, coord.y, 0 ) 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B(){a.removeEventListener("select",O),a.removeEventListener("selectstart",O),a.removeEventListener("selectend",O),a.removeEventListener("squeeze",O),a.removeEventListener("squeezestart",O),a.removeEventListener("squeezeend",O),a.removeEventListener("end",B),a.removeEventListener("inputsourceschange",G);for(let e=0;e<R.length;e++){const t=b[e];null!==t&&(b[e]=null,R[e].disconnect(t))}y=null,F=null,g.reset();for(const e in v)delete v[e];e.setRenderTarget(T),m=null,p=null,f=null,a=null,A=null,k.stop(),i.isPresenting=!1,e.setPixelRatio(P),e.setSize(C.width,C.height,!1),i.dispatchEvent({type:"sessionend"})}function G(e){for(let t=0;t<e.removed.length;t++){const n=e.removed[t],i=b.indexOf(n);i>=0&&(b[i]=null,R[i].disconnect(n))}for(let t=0;t<e.added.length;t++){const n=e.added[t];let i=b.indexOf(n);if(-1===i){for(let e=0;e<R.length;e++){if(e>=b.length){b.push(n),i=e;break}if(null===b[e]){b[e]=n,i=e;break}}if(-1===i)break}const r=R[i];r&&r.connect(n)}}this.cameraAutoUpdate=!0,this.enabled=!1,this.isPresenting=!1,this.getController=function(e){let t=R[e];return void 0===t&&(t=new Pn,R[e]=t),t.getTargetRaySpace()},this.getControllerGrip=function(e){let t=R[e];return void 0===t&&(t=new Pn,R[e]=t),t.getGripSpace()},this.getHand=function(e){let t=R[e];return void 0===t&&(t=new Pn,R[e]=t),t.getHandSpace()},this.setFramebufferScaleFactor=function(e){o=e,!0===i.isPresenting&&E("WebXRManager: Cannot change framebuffer scale while presenting.")},this.setReferenceSpaceType=function(e){l=e,!0===i.isPresenting&&E("WebXRManager: Cannot change reference space type while presenting.")},this.getReferenceSpace=function(){return d||s},this.setReferenceSpace=function(e){d=e},this.getBaseLayer=function(){return null!==p?p:m},this.getBinding=function(){return null===f&&_&&(f=new XRWebGLBinding(a,n)),f},this.getFrame=function(){return h},this.getSession=function(){return a},this.setSession=async function(t){if(a=t,null!==a){T=e.getRenderTarget(),a.addEventListener("select",O),a.addEventListener("selectstart",O),a.addEventListener("selectend",O),a.addEventListener("squeeze",O),a.addEventListener("squeezestart",O),a.addEventListener("squeezeend",O),a.addEventListener("end",B),a.addEventListener("inputsourceschange",G),!0!==S.xrCompatible&&await n.makeXRCompatible(),P=e.getPixelRatio(),e.getSize(C);if(_&&"createProjectionLayer"in XRWebGLBinding.prototype){let t=null,i=null,r=null;S.depth&&(r=S.stencil?n.DEPTH24_STENCIL8:n.DEPTH_COMPONENT24,t=S.stencil?Rt:be,i=S.stencil?Ct:Le);const s={colorFormat:n.RGBA8,depthFormat:r,scaleFactor:o};f=this.getBinding(),p=f.createProjectionLayer(s),a.updateRenderState({layers:[p]}),e.setPixelRatio(1),e.setSize(p.textureWidth,p.textureHeight,!1),A=new N(p.textureWidth,p.textureHeight,{format:x,type:M,depthTexture:new oe(p.textureWidth,p.textureHeight,i,void 0,void 0,void 0,void 0,void 0,void 0,t),stencilBuffer:S.stencil,colorSpace:e.outputColorSpace,samples:S.antialias?4:0,resolveDepthBuffer:!1===p.ignoreDepthValues,resolveStencilBuffer:!1===p.ignoreDepthValues})}else{const t={antialias:S.antialias,alpha:!0,depth:S.depth,stencil:S.stencil,framebufferScaleFactor:o};m=new XRWebGLLayer(a,n,t),a.updateRenderState({baseLayer:m}),e.setPixelRatio(1),e.setSize(m.framebufferWidth,m.framebufferHeight,!1),A=new N(m.framebufferWidth,m.framebufferHeight,{format:x,type:M,colorSpace:e.outputColorSpace,stencilBuffer:S.stencil,resolveDepthBuffer:!1===m.ignoreDepthValues,resolveStencilBuffer:!1===m.ignoreDepthValues})}A.isXRRenderTarget=!0,this.setFoveation(c),d=null,s=await a.requestReferenceSpace(l),k.setContext(a),k.start(),i.isPresenting=!0,i.dispatchEvent({type:"sessionstart"})}},this.getEnvironmentBlendMode=function(){if(null!==a)return a.environmentBlendMode},this.getDepthTexture=function(){return g.getDepthTexture()};const H=new r,V=new r;function W(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}this.updateCamera=function(e){if(null===a)return;let t=e.near,n=e.far;null!==g.texture&&(g.depthNear>0&&(t=g.depthNear),g.depthFar>0&&(n=g.depthFar)),I.near=D.near=U.near=t,I.far=D.far=U.far=n,y===I.near&&F===I.far||(a.updateRenderState({depthNear:I.near,depthFar:I.far}),y=I.near,F=I.far),I.layers.mask=6|e.layers.mask,U.layers.mask=-5&I.layers.mask,D.layers.mask=-3&I.layers.mask;const i=e.parent,r=I.cameras;W(I,i);for(let e=0;e<r.length;e++)W(r[e],i);2===r.length?function(e,t,n){H.setFromMatrixPosition(t.matrixWorld),V.setFromMatrixPosition(n.matrixWorld);const i=H.distanceTo(V),r=t.projectionMatrix.elements,a=n.projectionMatrix.elements,o=r[14]/(r[10]-1),s=r[14]/(r[10]+1),l=(r[9]+1)/r[5],c=(r[9]-1)/r[5],d=(r[8]-1)/r[0],u=(a[8]+1)/a[0],f=o*d,p=o*u,m=i/(-d+u),h=m*-d;if(t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(h),e.translateZ(m),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert(),-1===r[10])e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse);else{const t=o+m,n=s+m,r=f-h,a=p+(i-h),d=l*s/n*t,u=c*s/n*t;e.projectionMatrix.makePerspective(r,a,d,u,t,n),e.projectionMatrixInverse.copy(e.projectionMatrix).invert()}}(I,U,D):I.projectionMatrix.copy(U.projectionMatrix),function(e,t,n){null===n?e.matrix.copy(t.matrixWorld):(e.matrix.copy(n.matrixWorld),e.matrix.invert(),e.matrix.multiply(t.matrixWorld));e.matrix.decompose(e.position,e.quaternion,e.scale),e.updateMatrixWorld(!0),e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse),e.isPerspectiveCamera&&(e.fov=2*Ln*Math.atan(1/e.projectionMatrix.elements[5]),e.zoom=1)}(e,I,i)},this.getCamera=function(){return I},this.getFoveation=function(){if(null!==p||null!==m)return c},this.setFoveation=function(e){c=e,null!==p&&(p.fixedFoveation=e),null!==m&&void 0!==m.fixedFoveation&&(m.fixedFoveation=e)},this.hasDepthSensing=function(){return null!==g.texture},this.getDepthSensingMesh=function(){return g.getMesh(I)},this.getCameraTexture=function(e){return v[e]};let z=null;const k=new On;k.setAnimationLoop(function(t,n){if(u=n.getViewerPose(d||s),h=n,null!==u){const t=u.views;null!==m&&(e.setRenderTargetFramebuffer(A,m.framebuffer),e.setRenderTarget(A));let n=!1;t.length!==I.cameras.length&&(I.cameras.length=0,n=!0);for(let i=0;i<t.length;i++){const r=t[i];let a=null;if(null!==m)a=m.getViewport(r);else{const t=f.getViewSubImage(p,r);a=t.viewport,0===i&&(e.setRenderTargetTextures(A,t.colorTexture,t.depthStencilTexture),e.setRenderTarget(A))}let o=w[i];void 0===o&&(o=new L,o.layers.enable(i),o.viewport=new Y,w[i]=o),o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.quaternion,o.scale),o.projectionMatrix.fromArray(r.projectionMatrix),o.projectionMatrixInverse.copy(o.projectionMatrix).invert(),o.viewport.set(a.x,a.y,a.width,a.height),0===i&&(I.matrix.copy(o.matrix),I.matrix.decompose(I.position,I.quaternion,I.scale)),!0===n&&I.cameras.push(o)}const 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a=t.fog,o=i.isMeshStandardMaterial||i.isMeshLambertMaterial||i.isMeshPhongMaterial?t.environment:null,s=null===k?B.outputColorSpace:!0===k.isXRRenderTarget?k.texture.colorSpace:F,l=i.isMeshStandardMaterial||i.isMeshLambertMaterial&&!i.envMap||i.isMeshPhongMaterial&&!i.envMap,c=Re.get(i.envMap||o,l),d=!0===i.vertexColors&&!!n.attributes.color&&4===n.attributes.color.itemSize,u=!!n.attributes.tangent&&(!!i.normalMap||i.anisotropy>0),f=!!n.morphAttributes.position,p=!!n.morphAttributes.normal,m=!!n.morphAttributes.color;let h=U;i.toneMapped&&(null!==k&&!0!==k.isXRRenderTarget||(h=B.toneMapping));const _=n.morphAttributes.position||n.morphAttributes.normal||n.morphAttributes.color,g=void 0!==_?_.length:0,v=xe.get(i),E=L.state.lights;if(!0===le&&(!0===ce||e!==K)){const t=e===K&&i.id===X;Ne.setState(i,e,t)}let M=!1;i.version===v.__version?v.needsLights&&v.lightsStateVersion!==E.state.version||v.outputColorSpace!==s||r.isBatchedMesh&&!1===v.batching?M=!0:r.isBatchedMesh||!0!==v.batching?r.isBatchedMesh&&!0===v.batchingColor&&null===r.colorTexture||r.isBatchedMesh&&!1===v.batchingColor&&null!==r.colorTexture||r.isInstancedMesh&&!1===v.instancing?M=!0:r.isInstancedMesh||!0!==v.instancing?r.isSkinnedMesh&&!1===v.skinning?M=!0:r.isSkinnedMesh||!0!==v.skinning?r.isInstancedMesh&&!0===v.instancingColor&&null===r.instanceColor||r.isInstancedMesh&&!1===v.instancingColor&&null!==r.instanceColor||r.isInstancedMesh&&!0===v.instancingMorph&&null===r.morphTexture||r.isInstancedMesh&&!1===v.instancingMorph&&null!==r.morphTexture||v.envMap!==c||!0===i.fog&&v.fog!==a?M=!0:void 0===v.numClippingPlanes||v.numClippingPlanes===Ne.numPlanes&&v.numIntersection===Ne.numIntersection?(v.vertexAlphas!==d||v.vertexTangents!==u||v.morphTargets!==f||v.morphNormals!==p||v.morphColors!==m||v.toneMapping!==h||v.morphTargetsCount!==g)&&(M=!0):M=!0:M=!0:M=!0:M=!0:(M=!0,v.__version=i.version);let T=v.currentProgram;!0===M&&(T=st(i,t,r));let x=!1,A=!1,R=!1;const b=T.getUniforms(),C=v.uniforms;Ee.useProgram(T.program)&&(x=!0,A=!0,R=!0);i.id!==X&&(X=i.id,A=!0);if(x||K!==e){Ee.buffers.depth.getReversed()&&!0!==e.reversedDepth&&(e._reversedDepth=!0,e.updateProjectionMatrix()),b.setValue(ze,"projectionMatrix",e.projectionMatrix),b.setValue(ze,"viewMatrix",e.matrixWorldInverse);const t=b.map.cameraPosition;void 0!==t&&t.setValue(ze,ue.setFromMatrixPosition(e.matrixWorld)),ve.logarithmicDepthBuffer&&b.setValue(ze,"logDepthBufFC",2/(Math.log(e.far+1)/Math.LN2)),(i.isMeshPhongMaterial||i.isMeshToonMaterial||i.isMeshLambertMaterial||i.isMeshBasicMaterial||i.isMeshStandardMaterial||i.isShaderMaterial)&&b.setValue(ze,"isOrthographic",!0===e.isOrthographicCamera),K!==e&&(K=e,A=!0,R=!0)}v.needsLights&&(E.state.directionalShadowMap.length>0&&b.setValue(ze,"directionalShadowMap",E.state.directionalShadowMap,Ae),E.state.spotShadowMap.length>0&&b.setValue(ze,"spotShadowMap",E.state.spotShadowMap,Ae),E.state.pointShadowMap.length>0&&b.setValue(ze,"pointShadowMap",E.state.pointShadowMap,Ae));if(r.isSkinnedMesh){b.setOptional(ze,r,"bindMatrix"),b.setOptional(ze,r,"bindMatrixInverse");const e=r.skeleton;e&&(null===e.boneTexture&&e.computeBoneTexture(),b.setValue(ze,"boneTexture",e.boneTexture,Ae))}r.isBatchedMesh&&(b.setOptional(ze,r,"batchingTexture"),b.setValue(ze,"batchingTexture",r._matricesTexture,Ae),b.setOptional(ze,r,"batchingIdTexture"),b.setValue(ze,"batchingIdTexture",r._indirectTexture,Ae),b.setOptional(ze,r,"batchingColorTexture"),null!==r._colorsTexture&&b.setValue(ze,"batchingColorTexture",r._colorsTexture,Ae));const P=n.morphAttributes;void 0===P.position&&void 0===P.normal&&void 0===P.color||Oe.update(r,n,T);(A||v.receiveShadow!==r.receiveShadow)&&(v.receiveShadow=r.receiveShadow,b.setValue(ze,"receiveShadow",r.receiveShadow));(i.isMeshStandardMaterial||i.isMeshLambertMaterial||i.isMeshPhongMaterial)&&null===i.envMap&&null!==t.environment&&(C.envMapIntensity.value=t.environmentIntensity);void 0!==C.dfgLUT&&(C.dfgLUT.value=(null===Pa&&(Pa=new Un(Ca,16,16,Me,S),Pa.name="DFG_LUT",Pa.minFilter=O,Pa.magFilter=O,Pa.wrapS=pt,Pa.wrapT=pt,Pa.generateMipmaps=!1,Pa.needsUpdate=!0),Pa));A&&(b.setValue(ze,"toneMappingExposure",B.toneMappingExposure),v.needsLights&&(w=R,(D=C).ambientLightColor.needsUpdate=w,D.lightProbe.needsUpdate=w,D.directionalLights.needsUpdate=w,D.directionalLightShadows.needsUpdate=w,D.pointLights.needsUpdate=w,D.pointLightShadows.needsUpdate=w,D.spotLights.needsUpdate=w,D.spotLightShadows.needsUpdate=w,D.rectAreaLights.needsUpdate=w,D.hemisphereLights.needsUpdate=w),a&&!0===i.fog&&De.refreshFogUniforms(C,a),De.refreshMaterialUniforms(C,i,te,ee,L.state.transmissionRenderTarget[e.id]),Rr.upload(ze,lt(v),C,Ae));var D,w;i.isShaderMaterial&&!0===i.uniformsNeedUpdate&&(Rr.upload(ze,lt(v),C,Ae),i.uniformsNeedUpdate=!1);i.isSpriteMaterial&&b.setValue(ze,"center",r.center);if(b.setValue(ze,"modelViewMatrix",r.modelViewMatrix),b.setValue(ze,"normalMatrix",r.normalMatrix),b.setValue(ze,"modelMatrix",r.matrixWorld),i.isShaderMaterial||i.isRawShaderMaterial){const e=i.uniformsGroups;for(let t=0,n=e.length;t<n;t++){const n=e[t];We.update(n,T),We.bind(n,T)}}return T}(e,t,n,i,r);Ee.setMaterial(i,o);let l=n.index,c=1;if(!0===i.wireframe){if(l=Ce.getWireframeAttribute(n),void 0===l)return;c=2}const d=n.drawRange,u=n.attributes.position;let f=d.start*c,p=(d.start+d.count)*c;null!==a&&(f=Math.max(f,a.start*c),p=Math.min(p,(a.start+a.count)*c)),null!==l?(f=Math.max(f,0),p=Math.min(p,l.count)):null!=u&&(f=Math.max(f,0),p=Math.min(p,u.count));const m=p-f;if(m<0||m===1/0)return;let h;Ve.setup(r,i,s,n,l);let _=Be;if(null!==l&&(h=be.get(l),_=Ge,_.setIndex(h)),r.isMesh)!0===i.wireframe?(Ee.setLineWidth(i.wireframeLinewidth*he()),_.setMode(ze.LINES)):_.setMode(ze.TRIANGLES);else if(r.isLine){let e=i.linewidth;void 0===e&&(e=1),Ee.setLineWidth(e*he()),r.isLineSegments?_.setMode(ze.LINES):r.isLineLoop?_.setMode(ze.LINE_LOOP):_.setMode(ze.LINE_STRIP)}else r.isPoints?_.setMode(ze.POINTS):r.isSprite&&_.setMode(ze.TRIANGLES);if(r.isBatchedMesh)if(null!==r._multiDrawInstances)z("WebGLRenderer: renderMultiDrawInstances has been deprecated and will be removed in r184. 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_.render(f,m)},this.compile=function(e,t,n=null){null===n&&(n=e),L=Ie.get(n),L.init(t),I.push(L),n.traverseVisible(function(e){e.isLight&&e.layers.test(t.layers)&&(L.pushLight(e),e.castShadow&&L.pushShadow(e))}),e!==n&&e.traverseVisible(function(e){e.isLight&&e.layers.test(t.layers)&&(L.pushLight(e),e.castShadow&&L.pushShadow(e))}),L.setupLights();const i=new Set;return e.traverse(function(e){if(!(e.isMesh||e.isPoints||e.isLine||e.isSprite))return;const t=e.material;if(t)if(Array.isArray(t))for(let r=0;r<t.length;r++){const a=t[r];$e(a,n,e),i.add(a)}else $e(t,n,e),i.add(t)}),L=I.pop(),i},this.compileAsync=function(e,t,n=null){const i=this.compile(e,t,n);return new Promise(t=>{function n(){i.forEach(function(e){xe.get(e).currentProgram.isReady()&&i.delete(e)}),0!==i.size?setTimeout(n,10):t(e)}null!==ge.get("KHR_parallel_shader_compile")?n():setTimeout(n,10)})};let Qe=null;function Je(){tt.stop()}function et(){tt.start()}const tt=new On;function nt(e,t,n,i){if(!1===e.visible)return;if(e.layers.test(t.layers))if(e.isGroup)n=e.renderOrder;else if(e.isLOD)!0===e.autoUpdate&&e.update(t);else if(e.isLight)L.pushLight(e),e.castShadow&&L.pushShadow(e);else if(e.isSprite){if(!e.frustumCulled||se.intersectsSprite(e)){i&&fe.setFromMatrixPosition(e.matrixWorld).applyMatrix4(de);const t=Pe.update(e),r=e.material;r.visible&&P.push(e,t,r,n,fe.z,null)}}else if((e.isMesh||e.isLine||e.isPoints)&&(!e.frustumCulled||se.intersectsObject(e))){const t=Pe.update(e),r=e.material;if(i&&(void 0!==e.boundingSphere?(null===e.boundingSphere&&e.computeBoundingSphere(),fe.copy(e.boundingSphere.center)):(null===t.boundingSphere&&t.computeBoundingSphere(),fe.copy(t.boundingSphere.center)),fe.applyMatrix4(e.matrixWorld).applyMatrix4(de)),Array.isArray(r)){const i=t.groups;for(let a=0,o=i.length;a<o;a++){const o=i[a],s=r[o.materialIndex];s&&s.visible&&P.push(e,t,s,n,fe.z,o)}}else r.visible&&P.push(e,t,r,n,fe.z,null)}const r=e.children;for(let e=0,a=r.length;e<a;e++)nt(r[e],t,n,i)}function it(e,t,n,i){const{opaque:r,transmissive:a,transparent:o}=e;L.setupLightsView(n),!0===le&&Ne.setGlobalState(B.clippingPlanes,n),i&&Ee.viewport(q.copy(i)),r.length>0&&at(r,t,n),a.length>0&&at(a,t,n),o.length>0&&at(o,t,n),Ee.buffers.depth.setTest(!0),Ee.buffers.depth.setMask(!0),Ee.buffers.color.setMask(!0),Ee.setPolygonOffset(!1)}function rt(e,t,n,i){if(null!==(!0===n.isScene?n.overrideMaterial:null))return;if(void 0===L.state.transmissionRenderTarget[i.id]){const e=ge.has("EXT_color_buffer_half_float")||ge.has("EXT_color_buffer_float");L.state.transmissionRenderTarget[i.id]=new N(1,1,{generateMipmaps:!0,type:e?S:M,minFilter:G,samples:ve.samples,stencilBuffer:o,resolveDepthBuffer:!1,resolveStencilBuffer:!1,colorSpace:p.workingColorSpace})}const r=L.state.transmissionRenderTarget[i.id],a=i.viewport||q;r.setSize(a.z*B.transmissionResolutionScale,a.w*B.transmissionResolutionScale);const s=B.getRenderTarget(),l=B.getActiveCubeFace(),d=B.getActiveMipmapLevel();B.setRenderTarget(r),B.getClearColor($),Q=B.getClearAlpha(),Q<1&&B.setClearColor(16777215,.5),B.clear(),me&&Fe.render(n);const u=B.toneMapping;B.toneMapping=U;const f=i.viewport;if(void 0!==i.viewport&&(i.viewport=void 0),L.setupLightsView(i),!0===le&&Ne.setGlobalState(B.clippingPlanes,i),at(e,n,i),Ae.updateMultisampleRenderTarget(r),Ae.updateRenderTargetMipmap(r),!1===ge.has("WEBGL_multisampled_render_to_texture")){let e=!1;for(let r=0,a=t.length;r<a;r++){const a=t[r],{object:o,geometry:s,material:l,group:d}=a;if(l.side===_e&&o.layers.test(i.layers)){const t=l.side;l.side=c,l.needsUpdate=!0,ot(o,n,i,s,l,d),l.side=t,l.needsUpdate=!0,e=!0}}!0===e&&(Ae.updateMultisampleRenderTarget(r),Ae.updateRenderTargetMipmap(r))}B.setRenderTarget(s,l,d),B.setClearColor($,Q),void 0!==f&&(i.viewport=f),B.toneMapping=u}function at(e,t,n){const i=!0===t.isScene?t.overrideMaterial:null;for(let r=0,a=e.length;r<a;r++){const a=e[r],{object:o,geometry:s,group:l}=a;let c=a.material;!0===c.allowOverride&&null!==i&&(c=i),o.layers.test(n.layers)&&ot(o,t,n,s,c,l)}}function ot(e,t,n,i,r,a){e.onBeforeRender(B,t,n,i,r,a),e.modelViewMatrix.multiplyMatrices(n.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix),r.onBeforeRender(B,t,n,i,e,a),!0===r.transparent&&r.side===_e&&!1===r.forceSinglePass?(r.side=c,r.needsUpdate=!0,B.renderBufferDirect(n,t,i,r,e,a),r.side=_,r.needsUpdate=!0,B.renderBufferDirect(n,t,i,r,e,a),r.side=_e):B.renderBufferDirect(n,t,i,r,e,a),e.onAfterRender(B,t,n,i,r,a)}function st(e,t,n){!0!==t.isScene&&(t=pe);const i=xe.get(e),r=L.state.lights,a=L.state.shadowsArray,o=r.state.version,s=Ue.getParameters(e,r.state,a,t,n),l=Ue.getProgramCacheKey(s);let c=i.programs;i.environment=e.isMeshStandardMaterial||e.isMeshLambertMaterial||e.isMeshPhongMaterial?t.environment:null,i.fog=t.fog;const d=e.isMeshStandardMaterial||e.isMeshLambertMaterial&&!e.envMap||e.isMeshPhongMaterial&&!e.envMap;i.envMap=Re.get(e.envMap||i.environment,d),i.envMapRotation=null!==i.environment&&null===e.envMap?t.environmentRotation:e.envMapRotation,void 0===c&&(e.addEventListener("dispose",Ze),c=new Map,i.programs=c);let u=c.get(l);if(void 0!==u){if(i.currentProgram===u&&i.lightsStateVersion===o)return ct(e,s),u}else s.uniforms=Ue.getUniforms(e),e.onBeforeCompile(s,B),u=Ue.acquireProgram(s,l),c.set(l,u),i.uniforms=s.uniforms;const f=i.uniforms;return(e.isShaderMaterial||e.isRawShaderMaterial)&&!0!==e.clipping||(f.clippingPlanes=Ne.uniform),ct(e,s),i.needsLights=function(e){return e.isMeshLambertMaterial||e.isMeshToonMaterial||e.isMeshPhongMaterial||e.isMeshStandardMaterial||e.isShadowMaterial||e.isShaderMaterial&&!0===e.lights}(e),i.lightsStateVersion=o,i.needsLights&&(f.ambientLightColor.value=r.state.ambient,f.lightProbe.value=r.state.probe,f.directionalLights.value=r.state.directional,f.directionalLightShadows.value=r.state.directionalShadow,f.spotLights.value=r.state.spot,f.spotLightShadows.value=r.state.spotShadow,f.rectAreaLights.value=r.state.rectArea,f.ltc_1.value=r.state.rectAreaLTC1,f.ltc_2.value=r.state.rectAreaLTC2,f.pointLights.value=r.state.point,f.pointLightShadows.value=r.state.pointShadow,f.hemisphereLights.value=r.state.hemi,f.directionalShadowMatrix.value=r.state.directionalShadowMatrix,f.spotLightMatrix.value=r.state.spotLightMatrix,f.spotLightMap.value=r.state.spotLightMap,f.pointShadowMatrix.value=r.state.pointShadowMatrix),i.currentProgram=u,i.uniformsList=null,u}function lt(e){if(null===e.uniformsList){const t=e.currentProgram.getUniforms();e.uniformsList=Rr.seqWithValue(t.seq,e.uniforms)}return e.uniformsList}function ct(e,t){const n=xe.get(e);n.outputColorSpace=t.outputColorSpace,n.batching=t.batching,n.batchingColor=t.batchingColor,n.instancing=t.instancing,n.instancingColor=t.instancingColor,n.instancingMorph=t.instancingMorph,n.skinning=t.skinning,n.morphTargets=t.morphTargets,n.morphNormals=t.morphNormals,n.morphColors=t.morphColors,n.morphTargetsCount=t.morphTargetsCount,n.numClippingPlanes=t.numClippingPlanes,n.numIntersection=t.numClipIntersection,n.vertexAlphas=t.vertexAlphas,n.vertexTangents=t.vertexTangents,n.toneMapping=t.toneMapping}tt.setAnimationLoop(function(e){Qe&&Qe(e)}),"undefined"!=typeof self&&tt.setContext(self),this.setAnimationLoop=function(e){Qe=e,Ye.setAnimationLoop(e),null===e?tt.stop():tt.start()},Ye.addEventListener("sessionstart",Je),Ye.addEventListener("sessionend",et),this.render=function(e,t){if(void 0!==t&&!0!==t.isCamera)return void w("WebGLRenderer.render: camera is not an instance of THREE.Camera.");if(!0===H)return;const n=!0===Ye.enabled&&!0===Ye.isPresenting,i=null!==y&&(null===k||n)&&y.begin(B,k);if(!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),null===t.parent&&!0===t.matrixWorldAutoUpdate&&t.updateMatrixWorld(),!0!==Ye.enabled||!0!==Ye.isPresenting||null!==y&&!1!==y.isCompositing()||(!0===Ye.cameraAutoUpdate&&Ye.updateCamera(t),t=Ye.getCamera()),!0===e.isScene&&e.onBeforeRender(B,e,t,k),L=Ie.get(e,I.length),L.init(t),I.push(L),de.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),se.setFromProjectionMatrix(de,yn,t.reversedDepth),ce=this.localClippingEnabled,le=Ne.init(this.clippingPlanes,ce),P=we.get(e,D.length),P.init(),D.push(P),!0===Ye.enabled&&!0===Ye.isPresenting){const e=B.xr.getDepthSensingMesh();null!==e&&nt(e,t,-1/0,B.sortObjects)}nt(e,t,0,B.sortObjects),P.finish(),!0===B.sortObjects&&P.sort(ne,ie),me=!1===Ye.enabled||!1===Ye.isPresenting||!1===Ye.hasDepthSensing(),me&&Fe.addToRenderList(P,e),this.info.render.frame++,!0===le&&Ne.beginShadows();const r=L.state.shadowsArray;ye.render(r,e,t),!0===le&&Ne.endShadows(),!0===this.info.autoReset&&this.info.reset();if(!1===(i&&y.hasRenderPass())){const n=P.opaque,i=P.transmissive;if(L.setupLights(),t.isArrayCamera){const r=t.cameras;if(i.length>0)for(let t=0,a=r.length;t<a;t++){rt(n,i,e,r[t])}me&&Fe.render(e);for(let t=0,n=r.length;t<n;t++){const n=r[t];it(P,e,n,n.viewport)}}else i.length>0&&rt(n,i,e,t),me&&Fe.render(e),it(P,e,t)}null!==k&&0===W&&(Ae.updateMultisampleRenderTarget(k),Ae.updateRenderTargetMipmap(k)),i&&y.end(B),!0===e.isScene&&e.onAfterRender(B,e,t),Ve.resetDefaultState(),X=-1,K=null,I.pop(),I.length>0?(L=I[I.length-1],!0===le&&Ne.setGlobalState(B.clippingPlanes,L.state.camera)):L=null,D.pop(),P=D.length>0?D[D.length-1]:null},this.getActiveCubeFace=function(){return V},this.getActiveMipmapLevel=function(){return W},this.getRenderTarget=function(){return k},this.setRenderTargetTextures=function(e,t,n){const i=xe.get(e);i.__autoAllocateDepthBuffer=!1===e.resolveDepthBuffer,!1===i.__autoAllocateDepthBuffer&&(i.__useRenderToTexture=!1),xe.get(e.texture).__webglTexture=t,xe.get(e.depthTexture).__webglTexture=i.__autoAllocateDepthBuffer?void 0:n,i.__hasExternalTextures=!0},this.setRenderTargetFramebuffer=function(e,t){const n=xe.get(e);n.__webglFramebuffer=t,n.__useDefaultFramebuffer=void 0===t};const dt=ze.createFramebuffer();this.setRenderTarget=function(e,t=0,n=0){k=e,V=t,W=n;let i=null,r=!1,a=!1;if(e){const o=xe.get(e);if(void 0!==o.__useDefaultFramebuffer)return Ee.bindFramebuffer(ze.FRAMEBUFFER,o.__webglFramebuffer),q.copy(e.viewport),j.copy(e.scissor),Z=e.scissorTest,Ee.viewport(q),Ee.scissor(j),Ee.setScissorTest(Z),void(X=-1);if(void 0===o.__webglFramebuffer)Ae.setupRenderTarget(e);else if(o.__hasExternalTextures)Ae.rebindTextures(e,xe.get(e.texture).__webglTexture,xe.get(e.depthTexture).__webglTexture);else if(e.depthBuffer){const t=e.depthTexture;if(o.__boundDepthTexture!==t){if(null!==t&&xe.has(t)&&(e.width!==t.image.width||e.height!==t.image.height))throw new Error("WebGLRenderTarget: Attached DepthTexture is initialized to the incorrect size.");Ae.setupDepthRenderbuffer(e)}}const s=e.texture;(s.isData3DTexture||s.isDataArrayTexture||s.isCompressedArrayTexture)&&(a=!0);const l=xe.get(e).__webglFramebuffer;e.isWebGLCubeRenderTarget?(i=Array.isArray(l[t])?l[t][n]:l[t],r=!0):i=e.samples>0&&!1===Ae.useMultisampledRTT(e)?xe.get(e).__webglMultisampledFramebuffer:Array.isArray(l)?l[n]:l,q.copy(e.viewport),j.copy(e.scissor),Z=e.scissorTest}else q.copy(re).multiplyScalar(te).floor(),j.copy(ae).multiplyScalar(te).floor(),Z=oe;0!==n&&(i=dt);if(Ee.bindFramebuffer(ze.FRAMEBUFFER,i)&&Ee.drawBuffers(e,i),Ee.viewport(q),Ee.scissor(j),Ee.setScissorTest(Z),r){const i=xe.get(e.texture);ze.framebufferTexture2D(ze.FRAMEBUFFER,ze.COLOR_ATTACHMENT0,ze.TEXTURE_CUBE_MAP_POSITIVE_X+t,i.__webglTexture,n)}else if(a){const i=t;for(let t=0;t<e.textures.length;t++){const r=xe.get(e.textures[t]);ze.framebufferTextureLayer(ze.FRAMEBUFFER,ze.COLOR_ATTACHMENT0+t,r.__webglTexture,n,i)}}else if(null!==e&&0!==n){const t=xe.get(e.texture);ze.framebufferTexture2D(ze.FRAMEBUFFER,ze.COLOR_ATTACHMENT0,ze.TEXTURE_2D,t.__webglTexture,n)}X=-1},this.readRenderTargetPixels=function(e,t,n,i,r,a,o,s=0){if(!e||!e.isWebGLRenderTarget)return void w("WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let l=xe.get(e).__webglFramebuffer;if(e.isWebGLCubeRenderTarget&&void 0!==o&&(l=l[o]),l){Ee.bindFramebuffer(ze.FRAMEBUFFER,l);try{const o=e.textures[s],l=o.format,c=o.type;if(e.textures.length>1&&ze.readBuffer(ze.COLOR_ATTACHMENT0+s),!ve.textureFormatReadable(l))return void w("WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");if(!ve.textureTypeReadable(c))return void w("WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");t>=0&&t<=e.width-i&&n>=0&&n<=e.height-r&&ze.readPixels(t,n,i,r,He.convert(l),He.convert(c),a)}finally{const e=null!==k?xe.get(k).__webglFramebuffer:null;Ee.bindFramebuffer(ze.FRAMEBUFFER,e)}}},this.readRenderTargetPixelsAsync=async function(e,t,n,i,r,a,o,s=0){if(!e||!e.isWebGLRenderTarget)throw new Error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let l=xe.get(e).__webglFramebuffer;if(e.isWebGLCubeRenderTarget&&void 0!==o&&(l=l[o]),l){if(t>=0&&t<=e.width-i&&n>=0&&n<=e.height-r){Ee.bindFramebuffer(ze.FRAMEBUFFER,l);const o=e.textures[s],c=o.format,d=o.type;if(e.textures.length>1&&ze.readBuffer(ze.COLOR_ATTACHMENT0+s),!ve.textureFormatReadable(c))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in RGBA or implementation defined format.");if(!ve.textureTypeReadable(d))throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in UnsignedByteType or implementation defined type.");const u=ze.createBuffer();ze.bindBuffer(ze.PIXEL_PACK_BUFFER,u),ze.bufferData(ze.PIXEL_PACK_BUFFER,a.byteLength,ze.STREAM_READ),ze.readPixels(t,n,i,r,He.convert(c),He.convert(d),0);const f=null!==k?xe.get(k).__webglFramebuffer:null;Ee.bindFramebuffer(ze.FRAMEBUFFER,f);const p=ze.fenceSync(ze.SYNC_GPU_COMMANDS_COMPLETE,0);return ze.flush(),await Fn(ze,p,4),ze.bindBuffer(ze.PIXEL_PACK_BUFFER,u),ze.getBufferSubData(ze.PIXEL_PACK_BUFFER,0,a),ze.deleteBuffer(u),ze.deleteSync(p),a}throw new Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: requested read bounds are out of range.")}},this.copyFramebufferToTexture=function(e,t=null,n=0){const i=Math.pow(2,-n),r=Math.floor(e.image.width*i),a=Math.floor(e.image.height*i),o=null!==t?t.x:0,s=null!==t?t.y:0;Ae.setTexture2D(e,0),ze.copyTexSubImage2D(ze.TEXTURE_2D,n,0,0,o,s,r,a),Ee.unbindTexture()};const ut=ze.createFramebuffer(),ft=ze.createFramebuffer();this.copyTextureToTexture=function(e,t,n=null,i=null,r=0,a=0){let o,s,l,c,d,u,f,p,m;const h=e.isCompressedTexture?e.mipmaps[a]:e.image;if(null!==n)o=n.max.x-n.min.x,s=n.max.y-n.min.y,l=n.isBox3?n.max.z-n.min.z:1,c=n.min.x,d=n.min.y,u=n.isBox3?n.min.z:0;else{const t=Math.pow(2,-r);o=Math.floor(h.width*t),s=Math.floor(h.height*t),l=e.isDataArrayTexture?h.depth:e.isData3DTexture?Math.floor(h.depth*t):1,c=0,d=0,u=0}null!==i?(f=i.x,p=i.y,m=i.z):(f=0,p=0,m=0);const _=He.convert(t.format),g=He.convert(t.type);let v;t.isData3DTexture?(Ae.setTexture3D(t,0),v=ze.TEXTURE_3D):t.isDataArrayTexture||t.isCompressedArrayTexture?(Ae.setTexture2DArray(t,0),v=ze.TEXTURE_2D_ARRAY):(Ae.setTexture2D(t,0),v=ze.TEXTURE_2D),ze.pixelStorei(ze.UNPACK_FLIP_Y_WEBGL,t.flipY),ze.pixelStorei(ze.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),ze.pixelStorei(ze.UNPACK_ALIGNMENT,t.unpackAlignment);const E=ze.getParameter(ze.UNPACK_ROW_LENGTH),S=ze.getParameter(ze.UNPACK_IMAGE_HEIGHT),M=ze.getParameter(ze.UNPACK_SKIP_PIXELS),T=ze.getParameter(ze.UNPACK_SKIP_ROWS),x=ze.getParameter(ze.UNPACK_SKIP_IMAGES);ze.pixelStorei(ze.UNPACK_ROW_LENGTH,h.width),ze.pixelStorei(ze.UNPACK_IMAGE_HEIGHT,h.height),ze.pixelStorei(ze.UNPACK_SKIP_PIXELS,c),ze.pixelStorei(ze.UNPACK_SKIP_ROWS,d),ze.pixelStorei(ze.UNPACK_SKIP_IMAGES,u);const A=e.isDataArrayTexture||e.isData3DTexture,R=t.isDataArrayTexture||t.isData3DTexture;if(e.isDepthTexture){const n=xe.get(e),i=xe.get(t),h=xe.get(n.__renderTarget),_=xe.get(i.__renderTarget);Ee.bindFramebuffer(ze.READ_FRAMEBUFFER,h.__webglFramebuffer),Ee.bindFramebuffer(ze.DRAW_FRAMEBUFFER,_.__webglFramebuffer);for(let n=0;n<l;n++)A&&(ze.framebufferTextureLayer(ze.READ_FRAMEBUFFER,ze.COLOR_ATTACHMENT0,xe.get(e).__webglTexture,r,u+n),ze.framebufferTextureLayer(ze.DRAW_FRAMEBUFFER,ze.COLOR_ATTACHMENT0,xe.get(t).__webglTexture,a,m+n)),ze.blitFramebuffer(c,d,o,s,f,p,o,s,ze.DEPTH_BUFFER_BIT,ze.NEAREST);Ee.bindFramebuffer(ze.READ_FRAMEBUFFER,null),Ee.bindFramebuffer(ze.DRAW_FRAMEBUFFER,null)}else if(0!==r||e.isRenderTargetTexture||xe.has(e)){const n=xe.get(e),i=xe.get(t);Ee.bindFramebuffer(ze.READ_FRAMEBUFFER,ut),Ee.bindFramebuffer(ze.DRAW_FRAMEBUFFER,ft);for(let e=0;e<l;e++)A?ze.framebufferTextureLayer(ze.READ_FRAMEBUFFER,ze.COLOR_ATTACHMENT0,n.__webglTexture,r,u+e):ze.framebufferTexture2D(ze.READ_FRAMEBUFFER,ze.COLOR_ATTACHMENT0,ze.TEXTURE_2D,n.__webglTexture,r),R?ze.framebufferTextureLayer(ze.DRAW_FRAMEBUFFER,ze.COLOR_ATTACHMENT0,i.__webglTexture,a,m+e):ze.framebufferTexture2D(ze.DRAW_FRAMEBUFFER,ze.COLOR_ATTACHMENT0,ze.TEXTURE_2D,i.__webglTexture,a),0!==r?ze.blitFramebuffer(c,d,o,s,f,p,o,s,ze.COLOR_BUFFER_BIT,ze.NEAREST):R?ze.copyTexSubImage3D(v,a,f,p,m+e,c,d,o,s):ze.copyTexSubImage2D(v,a,f,p,c,d,o,s);Ee.bindFramebuffer(ze.READ_FRAMEBUFFER,null),Ee.bindFramebuffer(ze.DRAW_FRAMEBUFFER,null)}else R?e.isDataTexture||e.isData3DTexture?ze.texSubImage3D(v,a,f,p,m,o,s,l,_,g,h.data):t.isCompressedArrayTexture?ze.compressedTexSubImage3D(v,a,f,p,m,o,s,l,_,h.data):ze.texSubImage3D(v,a,f,p,m,o,s,l,_,g,h):e.isDataTexture?ze.texSubImage2D(ze.TEXTURE_2D,a,f,p,o,s,_,g,h.data):e.isCompressedTexture?ze.compressedTexSubImage2D(ze.TEXTURE_2D,a,f,p,h.width,h.height,_,h.data):ze.texSubImage2D(ze.TEXTURE_2D,a,f,p,o,s,_,g,h);ze.pixelStorei(ze.UNPACK_ROW_LENGTH,E),ze.pixelStorei(ze.UNPACK_IMAGE_HEIGHT,S),ze.pixelStorei(ze.UNPACK_SKIP_PIXELS,M),ze.pixelStorei(ze.UNPACK_SKIP_ROWS,T),ze.pixelStorei(ze.UNPACK_SKIP_IMAGES,x),0===a&&t.generateMipmaps&&ze.generateMipmap(v),Ee.unbindTexture()},this.initRenderTarget=function(e){void 0===xe.get(e).__webglFramebuffer&&Ae.setupRenderTarget(e)},this.initTexture=function(e){e.isCubeTexture?Ae.setTextureCube(e,0):e.isData3DTexture?Ae.setTexture3D(e,0):e.isDataArrayTexture||e.isCompressedArrayTexture?Ae.setTexture2DArray(e,0):Ae.setTexture2D(e,0),Ee.unbindTexture()},this.resetState=function(){V=0,W=0,k=null,Ee.reset(),Ve.reset()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}get coordinateSystem(){return yn}get outputColorSpace(){return this._outputColorSpace}set outputColorSpace(e){this._outputColorSpace=e;const t=this.getContext();t.drawingBufferColorSpace=p._getDrawingBufferColorSpace(e),t.unpackColorSpace=p._getUnpackColorSpace()}}export{J as ACESFilmicToneMapping,Ie as AddEquation,ue as AddOperation,lt as AdditiveBlending,Q as AgXToneMapping,Ft as AlphaFormat,Tt as AlwaysCompare,et as AlwaysDepth,Cn as ArrayCamera,c as BackSide,s as BoxGeometry,y as BufferAttribute,C as BufferGeometry,Nt as ByteType,ee as CineonToneMapping,pt as ClampToEdgeWrapping,n as Color,p as ColorManagement,ye as ConstantAlphaFactor,Oe as ConstantColorFactor,H as CubeCamera,Pe as CubeDepthTexture,R as CubeReflectionMapping,b as CubeRefractionMapping,B as CubeTexture,a as CubeUVReflectionMapping,it as CullFaceBack,rt as CullFaceFront,nt as CullFaceNone,at as CustomBlending,Z as CustomToneMapping,ie as Data3DTexture,K as DataArrayTexture,Un as DataTexture,be as DepthFormat,Rt as DepthStencilFormat,oe as DepthTexture,_e as DoubleSide,We as DstAlphaFactor,ze as DstColorFactor,St as EqualCompare,Qe as EqualDepth,V as EquirectangularReflectionMapping,W as EquirectangularRefractionMapping,u as Euler,bn as EventDispatcher,Rn as ExternalTexture,q as Float32BufferAttribute,T as FloatType,_ as FrontSide,Te as Frustum,le as GLSL3,Et as GreaterCompare,Ze as GreaterDepth,re as GreaterEqualCompare,$e as GreaterEqualDepth,S as HalfFloatType,v as IntType,Se as Layers,Mt as LessCompare,Je as LessDepth,ae as LessEqualCompare,Ue as LessEqualDepth,O as LinearFilter,G as LinearMipmapLinearFilter,ht as LinearMipmapNearestFilter,F as LinearSRGBColorSpace,ne as LinearToneMapping,me as LinearTransfer,e as Matrix3,f as Matrix4,ut as MaxEquation,o as Mesh,D as MeshBasicMaterial,xe as MeshDepthMaterial,Ae as MeshDistanceMaterial,dt as MinEquation,ft as MirroredRepeatWrapping,fe as MixOperation,ot as MultiplyBlending,pe as MultiplyOperation,Ce as NearestFilter,_t as NearestMipmapLinearFilter,gt as NearestMipmapNearestFilter,$ as NeutralToneMapping,xt as NeverCompare,tt as NeverDepth,I as NoBlending,At as NoColorSpace,U as NoToneMapping,ge as NormalBlending,vt as NotEqualCompare,je as NotEqualDepth,Ee as ObjectSpaceNormalMap,Ke as OneFactor,Ne as OneMinusConstantAlphaFactor,Fe as OneMinusConstantColorFactor,Be as OneMinusDstAlphaFactor,Ge as OneMinusDstColorFactor,He as OneMinusSrcAlphaFactor,Ve as OneMinusSrcColorFactor,P as OrthographicCamera,de as PCFShadowMap,Re as PCFSoftShadowMap,ai as PMREMGenerator,L as PerspectiveCamera,A as Plane,h as PlaneGeometry,Jt as R11_EAC_Format,xn as RED_GREEN_RGTC2_Format,Mn as RED_RGTC1_Format,In as REVISION,tn as RG11_EAC_Format,x as RGBAFormat,Vt as RGBAIntegerFormat,hn as RGBA_ASTC_10x10_Format,fn as RGBA_ASTC_10x5_Format,pn as RGBA_ASTC_10x6_Format,mn as RGBA_ASTC_10x8_Format,_n as RGBA_ASTC_12x10_Format,gn as RGBA_ASTC_12x12_Format,rn as RGBA_ASTC_4x4_Format,an as RGBA_ASTC_5x4_Format,on as RGBA_ASTC_5x5_Format,sn as RGBA_ASTC_6x5_Format,ln as RGBA_ASTC_6x6_Format,cn as RGBA_ASTC_8x5_Format,dn as RGBA_ASTC_8x6_Format,un as RGBA_ASTC_8x8_Format,vn as RGBA_BPTC_Format,Qt as RGBA_ETC2_EAC_Format,jt as RGBA_PVRTC_2BPPV1_Format,qt as RGBA_PVRTC_4BPPV1_Format,zt as RGBA_S3TC_DXT1_Format,kt as RGBA_S3TC_DXT3_Format,Xt as RGBA_S3TC_DXT5_Format,Ot as RGBFormat,En as RGB_BPTC_SIGNED_Format,Sn as RGB_BPTC_UNSIGNED_Format,Zt as RGB_ETC1_Format,$t as RGB_ETC2_Format,Kt as RGB_PVRTC_2BPPV1_Format,Yt as RGB_PVRTC_4BPPV1_Format,Wt as RGB_S3TC_DXT1_Format,Me as RGFormat,Ht as RGIntegerFormat,j as RawShaderMaterial,Bt as RedFormat,Gt as RedIntegerFormat,te as ReinhardToneMapping,mt as RepeatWrapping,De as ReverseSubtractEquation,en as SIGNED_R11_EAC_Format,An as SIGNED_RED_GREEN_RGTC2_Format,Tn as SIGNED_RED_RGTC1_Format,nn as SIGNED_RG11_EAC_Format,wn as SRGBColorSpace,m as SRGBTransfer,Gn as ShaderChunk,Vn as ShaderLib,l as ShaderMaterial,yt as ShortType,Xe as SrcAlphaFactor,ke as SrcAlphaSaturateFactor,Ye as SrcColorFactor,we as SubtractEquation,st as SubtractiveBlending,ve as TangentSpaceNormalMap,se as Texture,X as Uint16BufferAttribute,k as Uint32BufferAttribute,Hn as UniformsLib,he as UniformsUtils,M as UnsignedByteType,It as UnsignedInt101111Type,Ct as UnsignedInt248Type,wt as UnsignedInt5999Type,Le as UnsignedIntType,Ut as UnsignedShort4444Type,Dt as UnsignedShort5551Type,Pt as UnsignedShortType,ce as VSMShadowMap,t as Vector2,r as Vector3,Y as Vector4,yn as WebGLCoordinateSystem,ui as WebGLCubeRenderTarget,N as WebGLRenderTarget,La as WebGLRenderer,Sa as WebGLUtils,Pn as WebXRController,qe as ZeroFactor,Dn as createCanvasElement,w as error,Nn as log,E as warn,z as warnOnce};
diff --git a/build/three.webgpu.js b/build/three.webgpu.js
index 513d2b21f88cd9..a664c3d6c0deff 100644
--- a/build/three.webgpu.js
+++ b/build/three.webgpu.js
@@ -3,7 +3,7 @@
  * Copyright 2010-2026 Three.js Authors
  * SPDX-License-Identifier: MIT
  */
-import { Color, Vector2, Vector3, Vector4, Matrix2, Matrix3, Matrix4, error, EventDispatcher, MathUtils, warn, WebGLCoordinateSystem, WebGPUCoordinateSystem, ColorManagement, SRGBTransfer, NoToneMapping, StaticDrawUsage, InterleavedBufferAttribute, InterleavedBuffer, DynamicDrawUsage, NoColorSpace, log as log$1, warnOnce, Texture, UnsignedIntType, IntType, Compatibility, LessCompare, NearestFilter, Sphere, BackSide, DoubleSide, Euler, CubeTexture, CubeReflectionMapping, CubeRefractionMapping, TangentSpaceNormalMap, NoNormalPacking, NormalRGPacking, NormalGAPacking, ObjectSpaceNormalMap, RGFormat, RED_GREEN_RGTC2_Format, RG11_EAC_Format, InstancedBufferAttribute, InstancedInterleavedBuffer, DataArrayTexture, FloatType, FramebufferTexture, LinearMipmapLinearFilter, DepthTexture, Material, LineBasicMaterial, LineDashedMaterial, NoBlending, MeshNormalMaterial, SRGBColorSpace, RenderTarget, BoxGeometry, Mesh, Scene, LinearFilter, CubeCamera, EquirectangularReflectionMapping, EquirectangularRefractionMapping, AddOperation, MixOperation, MultiplyOperation, MeshBasicMaterial, MeshLambertMaterial, MeshPhongMaterial, DataTexture, HalfFloatType, ClampToEdgeWrapping, BufferGeometry, OrthographicCamera, PerspectiveCamera, LinearSRGBColorSpace, RGBAFormat, CubeUVReflectionMapping, BufferAttribute, MeshStandardMaterial, MeshPhysicalMaterial, MeshToonMaterial, MeshMatcapMaterial, SpriteMaterial, PointsMaterial, ShadowMaterial, Uint32BufferAttribute, Uint16BufferAttribute, DepthStencilFormat, DepthFormat, UnsignedInt248Type, UnsignedByteType, NormalBlending, SrcAlphaFactor, OneMinusSrcAlphaFactor, AddEquation, MaterialBlending, Plane, Object3D, LinearMipMapLinearFilter, Float32BufferAttribute, UVMapping, VSMShadowMap, LessEqualCompare, PCFShadowMap, PCFSoftShadowMap, BasicShadowMap, CubeDepthTexture, SphereGeometry, LinearMipmapNearestFilter, NearestMipmapLinearFilter, Float16BufferAttribute, REVISION, ArrayCamera, PlaneGeometry, FrontSide, CustomBlending, ZeroFactor, CylinderGeometry, Quaternion, WebXRController, RAD2DEG, FrustumArray, Frustum, RedIntegerFormat, RedFormat, ShortType, ByteType, UnsignedShortType, RGIntegerFormat, RGBIntegerFormat, RGBFormat, RGBAIntegerFormat, TimestampQuery, createCanvasElement, ReverseSubtractEquation, SubtractEquation, OneMinusDstAlphaFactor, OneMinusDstColorFactor, OneMinusSrcColorFactor, DstAlphaFactor, DstColorFactor, SrcAlphaSaturateFactor, SrcColorFactor, OneFactor, CullFaceNone, CullFaceBack, CullFaceFront, MultiplyBlending, SubtractiveBlending, AdditiveBlending, NotEqualDepth, GreaterDepth, GreaterEqualDepth, EqualDepth, LessEqualDepth, LessDepth, AlwaysDepth, NeverDepth, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedInt5999Type, UnsignedInt101111Type, AlphaFormat, RGB_S3TC_DXT1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGB_PVRTC_4BPPV1_Format, RGB_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_PVRTC_2BPPV1_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGBA_ETC2_EAC_Format, R11_EAC_Format, SIGNED_R11_EAC_Format, SIGNED_RG11_EAC_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_10x10_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_BPTC_Format, RED_RGTC1_Format, SIGNED_RED_RGTC1_Format, SIGNED_RED_GREEN_RGTC2_Format, MirroredRepeatWrapping, RepeatWrapping, NearestMipmapNearestFilter, NotEqualCompare, GreaterCompare, GreaterEqualCompare, EqualCompare, AlwaysCompare, NeverCompare, LinearTransfer, getByteLength, isTypedArray, NotEqualStencilFunc, GreaterStencilFunc, GreaterEqualStencilFunc, EqualStencilFunc, LessEqualStencilFunc, LessStencilFunc, AlwaysStencilFunc, NeverStencilFunc, DecrementWrapStencilOp, IncrementWrapStencilOp, DecrementStencilOp, IncrementStencilOp, InvertStencilOp, ReplaceStencilOp, ZeroStencilOp, KeepStencilOp, MaxEquation, MinEquation, SpotLight, PointLight, DirectionalLight, RectAreaLight, AmbientLight, HemisphereLight, LightProbe, LinearToneMapping, ReinhardToneMapping, CineonToneMapping, ACESFilmicToneMapping, AgXToneMapping, NeutralToneMapping, Group, Loader, FileLoader, MaterialLoader, ObjectLoader } from './three.core.js';
+import { Color, Vector2, Vector3, Vector4, Matrix2, Matrix3, Matrix4, error, EventDispatcher, MathUtils, warn, WebGLCoordinateSystem, WebGPUCoordinateSystem, ColorManagement, SRGBTransfer, NoToneMapping, StaticDrawUsage, InterleavedBufferAttribute, InterleavedBuffer, DynamicDrawUsage, NoColorSpace, log as log$1, warnOnce, Texture, UnsignedIntType, IntType, Compatibility, LessCompare, NearestFilter, Sphere, BackSide, DoubleSide, Euler, CubeTexture, CubeReflectionMapping, CubeRefractionMapping, TangentSpaceNormalMap, NoNormalPacking, NormalRGPacking, NormalGAPacking, ObjectSpaceNormalMap, RGFormat, RED_GREEN_RGTC2_Format, RG11_EAC_Format, InstancedBufferAttribute, InstancedInterleavedBuffer, DataArrayTexture, FloatType, FramebufferTexture, LinearMipmapLinearFilter, DepthTexture, Material, LineBasicMaterial, LineDashedMaterial, NoBlending, MeshNormalMaterial, SRGBColorSpace, RenderTarget, BoxGeometry, Mesh, Scene, LinearFilter, CubeCamera, EquirectangularReflectionMapping, EquirectangularRefractionMapping, AddOperation, MixOperation, MultiplyOperation, MeshBasicMaterial, MeshLambertMaterial, MeshPhongMaterial, DataTexture, HalfFloatType, ClampToEdgeWrapping, BufferGeometry, OrthographicCamera, PerspectiveCamera, LinearSRGBColorSpace, RGBAFormat, CubeUVReflectionMapping, BufferAttribute, MeshStandardMaterial, MeshPhysicalMaterial, MeshToonMaterial, MeshMatcapMaterial, SpriteMaterial, PointsMaterial, ShadowMaterial, Uint32BufferAttribute, Uint16BufferAttribute, DepthStencilFormat, DepthFormat, UnsignedInt248Type, UnsignedByteType, NormalBlending, SrcAlphaFactor, OneMinusSrcAlphaFactor, AddEquation, MaterialBlending, Plane, Object3D, LinearMipMapLinearFilter, Float32BufferAttribute, UVMapping, VSMShadowMap, GreaterEqualCompare, LessEqualCompare, PCFShadowMap, PCFSoftShadowMap, BasicShadowMap, CubeDepthTexture, SphereGeometry, LinearMipmapNearestFilter, NearestMipmapLinearFilter, Float16BufferAttribute, REVISION, ArrayCamera, PlaneGeometry, FrontSide, CustomBlending, ZeroFactor, CylinderGeometry, Quaternion, WebXRController, RAD2DEG, FrustumArray, Frustum, RedIntegerFormat, RedFormat, ShortType, ByteType, UnsignedShortType, RGIntegerFormat, RGBIntegerFormat, RGBFormat, RGBAIntegerFormat, TimestampQuery, createCanvasElement, ReverseSubtractEquation, SubtractEquation, OneMinusDstAlphaFactor, OneMinusDstColorFactor, OneMinusSrcColorFactor, DstAlphaFactor, DstColorFactor, SrcAlphaSaturateFactor, SrcColorFactor, OneFactor, CullFaceNone, CullFaceBack, CullFaceFront, MultiplyBlending, SubtractiveBlending, AdditiveBlending, NotEqualDepth, GreaterDepth, GreaterEqualDepth, EqualDepth, LessEqualDepth, LessDepth, AlwaysDepth, NeverDepth, ReversedDepthFuncs, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedInt5999Type, UnsignedInt101111Type, AlphaFormat, RGB_S3TC_DXT1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGB_PVRTC_4BPPV1_Format, RGB_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_PVRTC_2BPPV1_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGBA_ETC2_EAC_Format, R11_EAC_Format, SIGNED_R11_EAC_Format, SIGNED_RG11_EAC_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_10x10_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_BPTC_Format, RED_RGTC1_Format, SIGNED_RED_RGTC1_Format, SIGNED_RED_GREEN_RGTC2_Format, MirroredRepeatWrapping, RepeatWrapping, NearestMipmapNearestFilter, NotEqualCompare, GreaterCompare, EqualCompare, AlwaysCompare, NeverCompare, LinearTransfer, getByteLength, isTypedArray, NotEqualStencilFunc, GreaterStencilFunc, GreaterEqualStencilFunc, EqualStencilFunc, LessEqualStencilFunc, LessStencilFunc, AlwaysStencilFunc, NeverStencilFunc, DecrementWrapStencilOp, IncrementWrapStencilOp, DecrementStencilOp, IncrementStencilOp, InvertStencilOp, ReplaceStencilOp, ZeroStencilOp, KeepStencilOp, MaxEquation, MinEquation, SpotLight, PointLight, DirectionalLight, RectAreaLight, AmbientLight, HemisphereLight, LightProbe, LinearToneMapping, ReinhardToneMapping, CineonToneMapping, ACESFilmicToneMapping, AgXToneMapping, NeutralToneMapping, Group, Loader, FileLoader, MaterialLoader, ObjectLoader } from './three.core.js';
 export { AdditiveAnimationBlendMode, AnimationAction, AnimationClip, AnimationLoader, AnimationMixer, AnimationObjectGroup, AnimationUtils, ArcCurve, ArrowHelper, AttachedBindMode, Audio, AudioAnalyser, AudioContext, AudioListener, AudioLoader, AxesHelper, BasicDepthPacking, BatchedMesh, BezierInterpolant, Bone, BooleanKeyframeTrack, Box2, Box3, Box3Helper, BoxHelper, BufferGeometryLoader, Cache, Camera, CameraHelper, CanvasTexture, CapsuleGeometry, CatmullRomCurve3, CircleGeometry, Clock, ColorKeyframeTrack, CompressedArrayTexture, CompressedCubeTexture, CompressedTexture, CompressedTextureLoader, ConeGeometry, ConstantAlphaFactor, ConstantColorFactor, Controls, CubeTextureLoader, CubicBezierCurve, CubicBezierCurve3, CubicInterpolant, CullFaceFrontBack, Curve, CurvePath, CustomToneMapping, Cylindrical, Data3DTexture, DataTextureLoader, DataUtils, DefaultLoadingManager, DetachedBindMode, DirectionalLightHelper, DiscreteInterpolant, DodecahedronGeometry, DynamicCopyUsage, DynamicReadUsage, EdgesGeometry, EllipseCurve, ExternalTexture, ExtrudeGeometry, Fog, FogExp2, GLBufferAttribute, GLSL1, GLSL3, GridHelper, HemisphereLightHelper, IcosahedronGeometry, ImageBitmapLoader, ImageLoader, ImageUtils, InstancedBufferGeometry, InstancedMesh, Int16BufferAttribute, Int32BufferAttribute, Int8BufferAttribute, Interpolant, InterpolateBezier, InterpolateDiscrete, InterpolateLinear, InterpolateSmooth, InterpolationSamplingMode, InterpolationSamplingType, KeyframeTrack, LOD, LatheGeometry, Layers, Light, Line, Line3, LineCurve, LineCurve3, LineLoop, LineSegments, LinearInterpolant, LinearMipMapNearestFilter, LoaderUtils, LoadingManager, LoopOnce, LoopPingPong, LoopRepeat, MOUSE, MeshDepthMaterial, MeshDistanceMaterial, NearestMipMapLinearFilter, NearestMipMapNearestFilter, NormalAnimationBlendMode, NumberKeyframeTrack, OctahedronGeometry, OneMinusConstantAlphaFactor, OneMinusConstantColorFactor, Path, PlaneHelper, PointLightHelper, Points, PolarGridHelper, PolyhedronGeometry, PositionalAudio, PropertyBinding, PropertyMixer, QuadraticBezierCurve, QuadraticBezierCurve3, QuaternionKeyframeTrack, QuaternionLinearInterpolant, RGBADepthPacking, RGBDepthPacking, RGB_BPTC_SIGNED_Format, RGB_BPTC_UNSIGNED_Format, RGDepthPacking, RawShaderMaterial, Ray, Raycaster, RenderTarget3D, RingGeometry, ShaderMaterial, Shape, ShapeGeometry, ShapePath, ShapeUtils, Skeleton, SkeletonHelper, SkinnedMesh, Source, Spherical, SphericalHarmonics3, SplineCurve, SpotLightHelper, Sprite, StaticCopyUsage, StaticReadUsage, StereoCamera, StreamCopyUsage, StreamDrawUsage, StreamReadUsage, StringKeyframeTrack, TOUCH, TetrahedronGeometry, TextureLoader, TextureUtils, Timer, TorusGeometry, TorusKnotGeometry, Triangle, TriangleFanDrawMode, TriangleStripDrawMode, TrianglesDrawMode, TubeGeometry, Uint8BufferAttribute, Uint8ClampedBufferAttribute, Uniform, UniformsGroup, VectorKeyframeTrack, VideoFrameTexture, VideoTexture, WebGL3DRenderTarget, WebGLArrayRenderTarget, WebGLRenderTarget, WireframeGeometry, WrapAroundEnding, ZeroCurvatureEnding, ZeroSlopeEnding, getConsoleFunction, setConsoleFunction } from './three.core.js';
 
 const refreshUniforms = [
@@ -2025,7 +2025,6 @@ class Node extends EventDispatcher {
 
 		//
 
-		builder.addNode( this );
 		builder.addChain( this );
 
 		/* Build stages expected results:
@@ -2039,6 +2038,8 @@ class Node extends EventDispatcher {
 
 		if ( buildStage === 'setup' ) {
 
+			builder.addNode( this );
+
 			this.updateReference( builder );
 
 			const properties = builder.getNodeProperties( this );
@@ -2075,6 +2076,8 @@ class Node extends EventDispatcher {
 
 				}
 
+				builder.addSequentialNode( this );
+
 			}
 
 			result = properties.outputNode;
@@ -2144,7 +2147,6 @@ class Node extends EventDispatcher {
 		}
 
 		builder.removeChain( this );
-		builder.addSequentialNode( this );
 
 		return result;
 
@@ -19642,6 +19644,18 @@ const orthographicDepthToViewZ = ( depth, near, far ) => near.sub( far ).mul( de
  */
 const viewZToPerspectiveDepth = ( viewZ, near, far ) => near.add( viewZ ).mul( far ).div( far.sub( near ).mul( viewZ ) );
 
+/**
+ * TSL function for converting a viewZ value to a reversed perspective depth value.
+ *
+ * @tsl
+ * @function
+ * @param {Node<float>} viewZ - The viewZ node.
+ * @param {Node<float>} near - The camera's near value.
+ * @param {Node<float>} far - The camera's far value.
+ * @returns {Node<float>}
+ */
+const viewZToReversedPerspectiveDepth = ( viewZ, near, far ) => near.mul( viewZ.add( far ) ).div( viewZ.mul( near.sub( far ) ) );
+
 /**
  * TSL function for converting a perspective depth value to a viewZ value.
  *
@@ -32753,8 +32767,17 @@ class RenderContexts {
 
 	/**
 	 * Constructs a new render context management component.
+	 *
+	 * @param {Renderer} renderer - The renderer.
 	 */
-	constructor() {
+	constructor( renderer ) {
+
+		/**
+		 * The renderer.
+		 *
+		 * @type {Renderer}
+		 */
+		this.renderer = renderer;
 
 		/**
 		 * A dictionary that manages render contexts.
@@ -32814,6 +32837,9 @@ class RenderContexts {
 
 		if ( renderTarget !== null ) renderState.sampleCount = renderTarget.samples === 0 ? 1 : renderTarget.samples;
 
+		renderState.clearDepthValue = this.renderer.getClearDepth();
+		renderState.clearStencilValue = this.renderer.getClearStencil();
+
 		return renderState;
 
 	}
@@ -37514,7 +37540,7 @@ const instancedArray = ( count, type = 'float' ) => {
 	}
 
 	const buffer = new StorageInstancedBufferAttribute( count, itemSize, typedArray );
-	const node = storage( buffer, type, count );
+	const node = storage( buffer, type, buffer.count );
 
 	return node;
 
@@ -38618,13 +38644,23 @@ class PassTextureNode extends TextureNode {
 		 */
 		this.passNode = passNode;
 
+		/**
+		 * This flag can be used for type testing.
+		 *
+		 * @type {boolean}
+		 * @default true
+		 * @readonly
+		 */
+		this.isPassTextureNode = true;
+
 		this.setUpdateMatrix( false );
 
 	}
 
 	setup( builder ) {
 
-		this.passNode.build( builder );
+		const properties = builder.getNodeProperties( this );
+		properties.passNode = this.passNode;
 
 		return super.setup( builder );
 
@@ -38681,6 +38717,15 @@ class PassMultipleTextureNode extends PassTextureNode {
 		 */
 		this.previousTexture = previousTexture;
 
+		/**
+		 * This flag can be used for type testing.
+		 *
+		 * @type {boolean}
+		 * @default true
+		 * @readonly
+		 */
+		this.isPassMultipleTextureNode = true;
+
 	}
 
 	/**
@@ -42935,7 +42980,7 @@ const PCFSoftShadowFilter = /*@__PURE__*/ Fn( ( { depthTexture, shadowCoord, sha
  * @param {Node<vec3>} inputs.shadowCoord - The shadow coordinates.
  * @return {Node<float>} The filtering result.
  */
-const VSMShadowFilter = /*@__PURE__*/ Fn( ( { depthTexture, shadowCoord, depthLayer } ) => {
+const VSMShadowFilter = /*@__PURE__*/ Fn( ( { depthTexture, shadowCoord, depthLayer }, builder ) => {
 
 	let distribution = texture( depthTexture ).sample( shadowCoord.xy );
 
@@ -42950,7 +42995,7 @@ const VSMShadowFilter = /*@__PURE__*/ Fn( ( { depthTexture, shadowCoord, depthLa
 	const mean = distribution.x;
 	const variance = max$1( 0.0000001, distribution.y.mul( distribution.y ) );
 
-	const hardShadow = step( shadowCoord.z, mean );
+	const hardShadow = ( builder.renderer.reversedDepthBuffer ) ? step( mean, shadowCoord.z ) : step( shadowCoord.z, mean );
 
 	const output = float( 1 ).toVar(); // default, fully lit
 
@@ -43355,12 +43400,6 @@ class ShadowNode extends ShadowBaseNode {
 
 			coordZ = shadowCoord.z;
 
-			if ( renderer.coordinateSystem === WebGPUCoordinateSystem ) {
-
-				coordZ = coordZ.mul( 2 ).sub( 1 ); // WebGPU: Conversion [ 0, 1 ] to [ - 1, 1 ]
-
-			}
-
 		} else {
 
 			const w = shadowCoord.w;
@@ -43379,7 +43418,7 @@ class ShadowNode extends ShadowBaseNode {
 		shadowCoord = vec3(
 			shadowCoord.x,
 			shadowCoord.y.oneMinus(), // follow webgpu standards
-			coordZ.add( bias )
+			renderer.reversedDepthBuffer ? coordZ.sub( bias ) : coordZ.add( bias )
 		);
 
 		return shadowCoord;
@@ -43403,7 +43442,7 @@ class ShadowNode extends ShadowBaseNode {
 
 		const depthTexture = new DepthTexture( shadow.mapSize.width, shadow.mapSize.height );
 		depthTexture.name = 'ShadowDepthTexture';
-		depthTexture.compareFunction = LessEqualCompare;
+		depthTexture.compareFunction = builder.renderer.reversedDepthBuffer ? GreaterEqualCompare : LessEqualCompare;
 
 		const shadowMap = builder.createRenderTarget( shadow.mapSize.width, shadow.mapSize.height );
 		shadowMap.texture.name = 'ShadowMap';
@@ -43952,7 +43991,7 @@ const PointShadowFilter = /*@__PURE__*/ Fn( ( { depthTexture, bd3D, dp, shadow }
 
 } );
 
-const pointShadowFilter = /*@__PURE__*/ Fn( ( { filterFn, depthTexture, shadowCoord, shadow } ) => {
+const pointShadowFilter = /*@__PURE__*/ Fn( ( { filterFn, depthTexture, shadowCoord, shadow }, builder ) => {
 
 	// for point lights, the uniform @vShadowCoord is re-purposed to hold
 	// the vector from the light to the world-space position of the fragment.
@@ -43968,8 +44007,19 @@ const pointShadowFilter = /*@__PURE__*/ Fn( ( { filterFn, depthTexture, shadowCo
 
 	If( viewZ.sub( shadowCameraFar ).lessThanEqual( 0.0 ).and( viewZ.sub( shadowCameraNear ).greaterThanEqual( 0.0 ) ), () => {
 
-		const dp = viewZToPerspectiveDepth( viewZ.negate(), shadowCameraNear, shadowCameraFar );
-		dp.addAssign( bias );
+		let dp;
+
+		if ( builder.renderer.reversedDepthBuffer ) {
+
+			dp = viewZToReversedPerspectiveDepth( viewZ.negate(), shadowCameraNear, shadowCameraFar );
+			dp.subAssign( bias );
+
+		} else {
+
+			dp = viewZToPerspectiveDepth( viewZ.negate(), shadowCameraNear, shadowCameraFar );
+			dp.addAssign( bias );
+
+		}
 
 		// bd3D = base direction 3D (direction from light to fragment)
 		const bd3D = shadowPosition.normalize();
@@ -44064,7 +44114,7 @@ class PointShadowNode extends ShadowNode {
 
 		const depthTexture = new CubeDepthTexture( shadow.mapSize.width );
 		depthTexture.name = 'PointShadowDepthTexture';
-		depthTexture.compareFunction = LessEqualCompare;
+		depthTexture.compareFunction = builder.renderer.reversedDepthBuffer ? GreaterEqualCompare : LessEqualCompare;
 
 		const shadowMap = builder.createCubeRenderTarget( shadow.mapSize.width );
 		shadowMap.texture.name = 'PointShadowMap';
@@ -47123,6 +47173,7 @@ var TSL = /*#__PURE__*/Object.freeze({
 	viewZToLogarithmicDepth: viewZToLogarithmicDepth,
 	viewZToOrthographicDepth: viewZToOrthographicDepth,
 	viewZToPerspectiveDepth: viewZToPerspectiveDepth,
+	viewZToReversedPerspectiveDepth: viewZToReversedPerspectiveDepth,
 	viewport: viewport,
 	viewportCoordinate: viewportCoordinate,
 	viewportDepthTexture: viewportDepthTexture,
@@ -47340,8 +47391,8 @@ class Background extends DataMap {
 
 			//
 
-			renderContext.depthClearValue = renderer._clearDepth;
-			renderContext.stencilClearValue = renderer._clearStencil;
+			renderContext.depthClearValue = renderer.getClearDepth();
+			renderContext.stencilClearValue = renderer.getClearStencil();
 
 			renderContext.clearColor = renderer.autoClearColor === true;
 			renderContext.clearDepth = renderer.autoClearDepth === true;
@@ -48725,9 +48776,9 @@ class Matrix4NodeUniform extends Matrix4Uniform {
 
 let _id$5 = 0;
 
-const sharedNodeData = new WeakMap();
+const _bindingGroupsCache = new WeakMap();
 
-const rendererCache = new WeakMap();
+const sharedNodeData = new WeakMap();
 
 const typeFromArray = new Map( [
 	[ Int8Array, 'int' ],
@@ -48830,7 +48881,10 @@ class NodeBuilder {
 		this.nodes = [];
 
 		/**
-		 * A list of all sequential nodes.
+		 * A list of all nodes the builder is processing in sequential order.
+		 *
+		 * This is used to determine the update order of nodes, which is important for
+		 * {@link NodeUpdateType#UPDATE_BEFORE} and {@link NodeUpdateType#UPDATE_AFTER}.
 		 *
 		 * @type {Array<Node>}
 		 */
@@ -49181,27 +49235,6 @@ class NodeBuilder {
 
 	}
 
-	/**
-	 * Returns the bind groups of the current renderer.
-	 *
-	 * @return {ChainMap} The cache.
-	 */
-	getBindGroupsCache() {
-
-		let bindGroupsCache = rendererCache.get( this.renderer );
-
-		if ( bindGroupsCache === undefined ) {
-
-			bindGroupsCache = new ChainMap();
-
-			rendererCache.set( this.renderer, bindGroupsCache );
-
-		}
-
-		return bindGroupsCache;
-
-	}
-
 	/**
 	 * Factory method for creating an instance of {@link RenderTarget} with the given
 	 * dimensions and options.
@@ -49262,19 +49295,21 @@ class NodeBuilder {
 	 */
 	_getBindGroup( groupName, bindings ) {
 
-		const bindGroupsCache = this.getBindGroupsCache();
+		const groupNode = bindings[ 0 ].groupNode;
 
-		//
+		let sharedGroup = groupNode.shared;
 
-		const bindingsArray = [];
+		if ( sharedGroup ) {
 
-		let sharedGroup = true;
+			for ( let i = 1; i < bindings.length; i ++ ) {
 
-		for ( const binding of bindings ) {
+				if ( groupNode !== bindings[ i ].groupNode ) {
 
-			bindingsArray.push( binding );
+					sharedGroup = false;
 
-			sharedGroup = sharedGroup && binding.groupNode.shared;
+				}
+
+			}
 
 		}
 
@@ -49284,19 +49319,67 @@ class NodeBuilder {
 
 		if ( sharedGroup ) {
 
-			bindGroup = bindGroupsCache.get( bindingsArray );
+			let cacheKeyString = '';
+
+			for ( const binding of bindings ) {
+
+				if ( binding.isNodeUniformsGroup ) {
+
+					binding.uniforms.sort( ( a, b ) => a.nodeUniform.node.id - b.nodeUniform.node.id );
+
+					for ( const uniform of binding.uniforms ) {
+
+						cacheKeyString += uniform.nodeUniform.node.id;
+
+					}
+
+				} else {
+
+					cacheKeyString += binding.nodeUniform.id;
+
+				}
+
+			}
+
+			// TODO: Remove this hack ._currentRenderContext
+
+			const currentContext = this.renderer._currentRenderContext || this.renderer; // use renderer as fallback until we have a compute context
+
+			let bindingGroupsCache = _bindingGroupsCache.get( currentContext );
+
+			if ( bindingGroupsCache === undefined ) {
+
+				bindingGroupsCache = new Map();
+
+				_bindingGroupsCache.set( currentContext, bindingGroupsCache );
+
+			}
+
+			//
+
+			const cacheKey = hashString( cacheKeyString );
+
+			bindGroup = bindingGroupsCache.get( cacheKey );
 
 			if ( bindGroup === undefined ) {
 
-				bindGroup = new BindGroup( groupName, bindingsArray, this.bindingsIndexes[ groupName ].group );
+				bindGroup = new BindGroup( groupName, bindings, this.bindingsIndexes[ groupName ].group );
+
+				bindingGroupsCache.set( cacheKey, bindGroup );
+
+			} else {
+
+				for ( let i = 0; i < bindings.length; i ++ ) {
 
-				bindGroupsCache.set( bindingsArray, bindGroup );
+					bindGroup.bindings[ i ].visibility |= bindings[ i ].visibility;
+
+				}
 
 			}
 
 		} else {
 
-			bindGroup = new BindGroup( groupName, bindingsArray, this.bindingsIndexes[ groupName ].group );
+			bindGroup = new BindGroup( groupName, bindings, this.bindingsIndexes[ groupName ].group );
 
 		}
 
@@ -49448,9 +49531,16 @@ class NodeBuilder {
 	 */
 	addSequentialNode( node ) {
 
-		if ( this.sequentialNodes.includes( node ) === false ) {
+		const updateBeforeType = node.getUpdateBeforeType();
+		const updateAfterType = node.getUpdateAfterType();
+
+		if ( updateBeforeType !== NodeUpdateType.NONE || updateAfterType !== NodeUpdateType.NONE ) {
 
-			this.sequentialNodes.push( node );
+			if ( this.sequentialNodes.includes( node ) === false ) {
+
+				this.sequentialNodes.push( node );
+
+			}
 
 		}
 
@@ -56645,6 +56735,7 @@ class Renderer {
 	 *
 	 * @typedef {Object} Renderer~Options
 	 * @property {boolean} [logarithmicDepthBuffer=false] - Whether logarithmic depth buffer is enabled or not.
+	 * @property {boolean} [reversedDepthBuffer=false] - Whether reversed depth buffer is enabled or not.
 	 * @property {boolean} [alpha=true] - Whether the default framebuffer (which represents the final contents of the canvas) should be transparent or opaque.
 	 * @property {boolean} [depth=true] - Whether the default framebuffer should have a depth buffer or not.
 	 * @property {boolean} [stencil=false] - Whether the default framebuffer should have a stencil buffer or not.
@@ -56679,6 +56770,7 @@ class Renderer {
 
 		const {
 			logarithmicDepthBuffer = false,
+			reversedDepthBuffer = false,
 			alpha = true,
 			depth = true,
 			stencil = false,
@@ -56746,9 +56838,19 @@ class Renderer {
 		 *
 		 * @type {boolean}
 		 * @default false
+		 * @readonly
 		 */
 		this.logarithmicDepthBuffer = logarithmicDepthBuffer;
 
+		/**
+		 * Whether reversed depth buffer is enabled or not.
+		 *
+		 * @type {boolean}
+		 * @default false
+		 * @readonly
+		 */
+		this.reversedDepthBuffer = reversedDepthBuffer;
+
 		/**
 		 * Defines the output color space of the renderer.
 		 *
@@ -57370,7 +57472,7 @@ class Renderer {
 			this._objects = new RenderObjects( this, this._nodes, this._geometries, this._pipelines, this._bindings, this.info );
 			this._renderLists = new RenderLists( this.lighting );
 			this._bundles = new RenderBundles();
-			this._renderContexts = new RenderContexts();
+			this._renderContexts = new RenderContexts( this );
 
 			//
 
@@ -58008,20 +58110,68 @@ class Renderer {
 
 		//
 
-		const coordinateSystem = this.coordinateSystem;
+
 		const xr = this.xr;
 
-		if ( camera.coordinateSystem !== coordinateSystem && xr.isPresenting === false ) {
+		if ( xr.isPresenting === false ) {
+
+			let projectionMatrixNeedsUpdate = false;
+
+			// reversed depth
+
+			if ( this.reversedDepthBuffer === true && camera.reversedDepth !== true ) {
+
+				camera._reversedDepth = true;
 
-			camera.coordinateSystem = coordinateSystem;
-			camera.updateProjectionMatrix();
+				if ( camera.isArrayCamera ) {
 
-			if ( camera.isArrayCamera ) {
+					for ( const subCamera of camera.cameras ) {
 
-				for ( const subCamera of camera.cameras ) {
+						subCamera._reversedDepth = true;
 
-					subCamera.coordinateSystem = coordinateSystem;
-					subCamera.updateProjectionMatrix();
+					}
+
+				}
+
+				projectionMatrixNeedsUpdate = true;
+
+			}
+
+			// WebGPU/WebGL coordinate system
+
+			const coordinateSystem = this.coordinateSystem;
+
+			if ( camera.coordinateSystem !== coordinateSystem ) {
+
+				camera.coordinateSystem = coordinateSystem;
+
+				if ( camera.isArrayCamera ) {
+
+					for ( const subCamera of camera.cameras ) {
+
+						subCamera.coordinateSystem = coordinateSystem;
+
+					}
+
+				}
+
+				projectionMatrixNeedsUpdate = true;
+
+			}
+
+			// camera update
+
+			if ( projectionMatrixNeedsUpdate === true ) {
+
+				camera.updateProjectionMatrix();
+
+				if ( camera.isArrayCamera ) {
+
+					for ( const subCamera of camera.cameras ) {
+
+						subCamera.updateProjectionMatrix();
+
+					}
 
 				}
 
@@ -58591,7 +58741,7 @@ class Renderer {
 	 */
 	getClearDepth() {
 
-		return this._clearDepth;
+		return ( this.reversedDepthBuffer === true ) ? 1 - this._clearDepth : this._clearDepth;
 
 	}
 
@@ -58683,6 +58833,8 @@ class Renderer {
 			renderContext.clearColorValue.g = color.g;
 			renderContext.clearColorValue.b = color.b;
 			renderContext.clearColorValue.a = color.a;
+			renderContext.clearDepthValue = this.getClearDepth();
+			renderContext.clearStencilValue = this.getClearStencil();
 			renderContext.activeCubeFace = this.getActiveCubeFace();
 			renderContext.activeMipmapLevel = this.getActiveMipmapLevel();
 
@@ -64099,6 +64251,7 @@ class WebGLState {
 		this.currentPolygonOffsetFactor = null;
 		this.currentPolygonOffsetUnits = null;
 		this.currentColorMask = null;
+		this.currentDepthReversed = false;
 		this.currentDepthFunc = null;
 		this.currentDepthMask = null;
 		this.currentStencilFunc = null;
@@ -64312,7 +64465,13 @@ class WebGLState {
 		const gl = this.gl;
 		const drawBuffersIndexedExt = this.backend.drawBuffersIndexedExt;
 
-		if ( ! drawBuffersIndexedExt ) return;
+		if ( ! drawBuffersIndexedExt ) {
+
+			warnOnce( 'WebGPURenderer: Multiple Render Targets (MRT) blending configuration is not fully supported in compatibility mode. The material blending will be used for all render targets.' );
+
+			return;
+
+		}
 
 		for ( let i = 0; i < textures.length; i ++ ) {
 
@@ -64638,6 +64797,34 @@ class WebGLState {
 
 	}
 
+
+	/**
+	 * Configures the WebGL state to use a reversed depth buffer.
+	 *
+	 * @param {boolean} reversed - Whether the depth buffer is reversed or not.
+	 */
+	setReversedDepth( reversed ) {
+
+		if ( this.currentDepthReversed !== reversed ) {
+
+			const ext = this.backend.extensions.get( 'EXT_clip_control' );
+
+			if ( reversed ) {
+
+				ext.clipControlEXT( ext.LOWER_LEFT_EXT, ext.ZERO_TO_ONE_EXT );
+
+			} else {
+
+				ext.clipControlEXT( ext.LOWER_LEFT_EXT, ext.NEGATIVE_ONE_TO_ONE_EXT );
+
+			}
+
+			this.currentDepthReversed = reversed;
+
+		}
+
+	}
+
 	/**
 	 * Specifies whether depth values can be written when rendering
 	 * into a framebuffer or not.
@@ -64668,6 +64855,8 @@ class WebGLState {
 	 */
 	setDepthFunc( depthFunc ) {
 
+		if ( this.currentDepthReversed ) depthFunc = ReversedDepthFuncs[ depthFunc ];
+
 		if ( this.currentDepthFunc !== depthFunc ) {
 
 			const { gl } = this;
@@ -67796,6 +67985,7 @@ class WebGLBackend extends Backend {
 	 *
 	 * @typedef {Object} WebGLBackend~Options
 	 * @property {boolean} [logarithmicDepthBuffer=false] - Whether logarithmic depth buffer is enabled or not.
+	 * @property {boolean} [reversedDepthBuffer=false] - Whether reversed depth buffer is enabled or not.
 	 * @property {boolean} [alpha=true] - Whether the default framebuffer (which represents the final contents of the canvas) should be transparent or opaque.
 	 * @property {boolean} [depth=true] - Whether the default framebuffer should have a depth buffer or not.
 	 * @property {boolean} [stencil=false] - Whether the default framebuffer should have a stencil buffer or not.
@@ -67952,7 +68142,6 @@ class WebGLBackend extends Backend {
 		 */
 		this._knownBindings = new WeakSet();
 
-
 		/**
 		 * Whether the device supports framebuffers invalidation or not.
 		 *
@@ -68033,11 +68222,18 @@ class WebGLBackend extends Backend {
 		this.extensions.get( 'WEBGL_render_shared_exponent' );
 		this.extensions.get( 'WEBGL_multi_draw' );
 		this.extensions.get( 'OVR_multiview2' );
+		this.extensions.get( 'EXT_clip_control' );
 
 		this.disjoint = this.extensions.get( 'EXT_disjoint_timer_query_webgl2' );
 		this.parallel = this.extensions.get( 'KHR_parallel_shader_compile' );
 		this.drawBuffersIndexedExt = this.extensions.get( 'OES_draw_buffers_indexed' );
 
+		if ( parameters.reversedDepthBuffer === true && this.extensions.has( 'EXT_clip_control' ) ) {
+
+			this.state.setReversedDepth( true );
+
+		}
+
 	}
 
 	/**
@@ -73225,6 +73421,29 @@ fn tsl_biquadraticTexture( map : texture_2d<f32>, coord : vec2f, iRes : vec2u, l
 
 	return mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );
 
+}
+` ),
+	biquadraticTextureArray: new CodeNode( /* wgsl */`
+fn tsl_biquadraticTexture_array( map : texture_2d_array<f32>, coord : vec2f, iRes : vec2u, layer : u32, level : u32 ) -> vec4f {
+
+	let res = vec2f( iRes );
+
+	let uvScaled = coord * res;
+	let uvWrapping = ( ( uvScaled % res ) + res ) % res;
+
+	// https://www.shadertoy.com/view/WtyXRy
+
+	let uv = uvWrapping - 0.5;
+	let iuv = floor( uv );
+	let f = fract( uv );
+
+	let rg1 = textureLoad( map, vec2u( iuv + vec2( 0.5, 0.5 ) ) % iRes, layer, level );
+	let rg2 = textureLoad( map, vec2u( iuv + vec2( 1.5, 0.5 ) ) % iRes, layer, level );
+	let rg3 = textureLoad( map, vec2u( iuv + vec2( 0.5, 1.5 ) ) % iRes, layer, level );
+	let rg4 = textureLoad( map, vec2u( iuv + vec2( 1.5, 1.5 ) ) % iRes, layer, level );
+
+	return mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );
+
 }
 ` )
 };
@@ -73384,17 +73603,31 @@ class WGSLNodeBuilder extends NodeBuilder {
 
 		if ( this.isUnfilterable( texture ) === false ) {
 
-			if ( offsetSnippet ) {
+			if ( depthSnippet ) {
+
+				if ( offsetSnippet ) {
 
-				return `textureSampleLevel( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ levelSnippet }, ${ offsetSnippet } )`;
+					return `textureSampleLevel( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ depthSnippet }, ${ levelSnippet }, ${ offsetSnippet } )`;
 
-			}
+				}
+
+				return `textureSampleLevel( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ depthSnippet }, ${ levelSnippet } )`;
+
+			} else {
+
+				if ( offsetSnippet ) {
+
+					return `textureSampleLevel( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ levelSnippet }, ${ offsetSnippet } )`;
+
+				}
+
+				return `textureSampleLevel( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ levelSnippet } )`;
 
-			return `textureSampleLevel( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ levelSnippet } )`;
+			}
 
 		} else if ( this.isFilteredTexture( texture ) ) {
 
-			return this.generateFilteredTexture( texture, textureProperty, uvSnippet, offsetSnippet, levelSnippet );
+			return this.generateFilteredTexture( texture, textureProperty, uvSnippet, offsetSnippet, levelSnippet, depthSnippet );
 
 		} else {
 
@@ -73578,11 +73811,10 @@ class WGSLNodeBuilder extends NodeBuilder {
 	 * @param {string} uvSnippet - A WGSL snippet that represents texture coordinates used for sampling.
 	 * @param {?string} offsetSnippet - A WGSL snippet that represents the offset that will be applied to the unnormalized texture coordinate before sampling the texture.
 	 * @param {string} [levelSnippet='0u'] - A WGSL snippet that represents the mip level, with level 0 containing a full size version of the texture.
+	 * @param {?string} depthSnippet - A WGSL snippet that represents 0-based texture array index to sample.
 	 * @return {string} The WGSL snippet.
 	 */
-	generateFilteredTexture( texture, textureProperty, uvSnippet, offsetSnippet, levelSnippet = '0u' ) {
-
-		this._include( 'biquadraticTexture' );
+	generateFilteredTexture( texture, textureProperty, uvSnippet, offsetSnippet, levelSnippet = '0u', depthSnippet ) {
 
 		const wrapFunction = this.generateWrapFunction( texture );
 		const textureDimension = this.generateTextureDimension( texture, textureProperty, levelSnippet );
@@ -73593,6 +73825,16 @@ class WGSLNodeBuilder extends NodeBuilder {
 
 		}
 
+		if ( depthSnippet ) {
+
+			this._include( 'biquadraticTextureArray' );
+
+			return `tsl_biquadraticTexture_array( ${ textureProperty }, ${ wrapFunction }( ${ uvSnippet } ), ${ textureDimension }, u32( ${ depthSnippet } ), u32( ${ levelSnippet } ) )`;
+
+		}
+
+		this._include( 'biquadraticTexture' );
+
 		return `tsl_biquadraticTexture( ${ textureProperty }, ${ wrapFunction }( ${ uvSnippet } ), ${ textureDimension }, u32( ${ levelSnippet } ) )`;
 
 	}
@@ -73811,14 +74053,27 @@ class WGSLNodeBuilder extends NodeBuilder {
 
 		if ( shaderStage === 'fragment' ) {
 
-			// TODO handle i32 or u32 --> uvSnippet, array_index: A, ddx, ddy
-			if ( offsetSnippet ) {
+			if ( depthSnippet ) {
 
-				return `textureSampleGrad( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet },  ${ gradSnippet[ 0 ] }, ${ gradSnippet[ 1 ] }, ${ offsetSnippet } )`;
+				if ( offsetSnippet ) {
 
-			}
+					return `textureSampleGrad( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ depthSnippet }, ${ gradSnippet[ 0 ] }, ${ gradSnippet[ 1 ] }, ${ offsetSnippet } )`;
+
+				}
+
+				return `textureSampleGrad( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ depthSnippet }, ${ gradSnippet[ 0 ] }, ${ gradSnippet[ 1 ] } )`;
+
+			} else {
+
+				if ( offsetSnippet ) {
+
+					return `textureSampleGrad( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ gradSnippet[ 0 ] }, ${ gradSnippet[ 1 ] }, ${ offsetSnippet } )`;
+
+				}
+
+				return `textureSampleGrad( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ gradSnippet[ 0 ] }, ${ gradSnippet[ 1 ] } )`;
 
-			return `textureSampleGrad( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet },  ${ gradSnippet[ 0 ] }, ${ gradSnippet[ 1 ] } )`;
+			}
 
 		} else {
 
@@ -73889,17 +74144,31 @@ class WGSLNodeBuilder extends NodeBuilder {
 
 		if ( this.isUnfilterable( texture ) === false ) {
 
-			if ( offsetSnippet ) {
+			if ( depthSnippet ) {
 
-				return `textureSampleLevel( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ levelSnippet }, ${ offsetSnippet } )`;
+				if ( offsetSnippet ) {
 
-			}
+					return `textureSampleLevel( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ depthSnippet }, ${ levelSnippet }, ${ offsetSnippet } )`;
+
+				}
+
+				return `textureSampleLevel( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ depthSnippet }, ${ levelSnippet } )`;
+
+			} else {
+
+				if ( offsetSnippet ) {
+
+					return `textureSampleLevel( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ levelSnippet }, ${ offsetSnippet } )`;
+
+				}
 
-			return `textureSampleLevel( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ levelSnippet } )`;
+				return `textureSampleLevel( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ levelSnippet } )`;
+
+			}
 
 		} else if ( this.isFilteredTexture( texture ) ) {
 
-			return this.generateFilteredTexture( texture, textureProperty, uvSnippet, offsetSnippet, levelSnippet );
+			return this.generateFilteredTexture( texture, textureProperty, uvSnippet, offsetSnippet, levelSnippet, depthSnippet );
 
 		} else {
 
@@ -73925,13 +74194,27 @@ class WGSLNodeBuilder extends NodeBuilder {
 
 		if ( shaderStage === 'fragment' ) {
 
-			if ( offsetSnippet ) {
+			if ( depthSnippet ) {
+
+				if ( offsetSnippet ) {
 
-				return `textureSampleBias( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ biasSnippet }, ${ offsetSnippet } )`;
+					return `textureSampleBias( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ depthSnippet }, ${ biasSnippet }, ${ offsetSnippet } )`;
 
-			}
+				}
 
-			return `textureSampleBias( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ biasSnippet } )`;
+				return `textureSampleBias( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ depthSnippet }, ${ biasSnippet } )`;
+
+			} else {
+
+				if ( offsetSnippet ) {
+
+					return `textureSampleBias( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ biasSnippet }, ${ offsetSnippet } )`;
+
+				}
+
+				return `textureSampleBias( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ biasSnippet } )`;
+
+			}
 
 		} else {
 
@@ -74172,23 +74455,18 @@ class WGSLNodeBuilder extends NodeBuilder {
 				if ( uniformsGroup === undefined ) {
 
 					uniformsGroup = new NodeUniformsGroup( groupName, group );
-					uniformsGroup.setVisibility( gpuShaderStageLib[ shaderStage ] );
 
 					this.uniformGroups[ groupName ] = uniformsGroup;
 
-					bindings.push( uniformsGroup );
-
-				} else {
-
-					// Update visibility to include this shader stage (bitwise OR)
-					uniformsGroup.setVisibility( uniformsGroup.getVisibility() | gpuShaderStageLib[ shaderStage ] );
+				}
 
-					// Add to bindings for this stage if not already present
-					if ( bindings.indexOf( uniformsGroup ) === -1 ) {
+				// Update visibility to include this shader stage (bitwise OR)
+				uniformsGroup.setVisibility( uniformsGroup.getVisibility() | gpuShaderStageLib[ shaderStage ] );
 
-						bindings.push( uniformsGroup );
+				// Add to bindings for this stage if not already present
+				if ( bindings.indexOf( uniformsGroup ) === -1 ) {
 
-					}
+					bindings.push( uniformsGroup );
 
 				}
 
@@ -76276,36 +76554,63 @@ class WebGPUBindingUtils {
 
 		const bindingsData = backend.get( bindGroup );
 
-		// check if the the bind group already has a layout
+		const entries = this._createLayoutEntries( bindGroup );
+		const bindGroupLayoutHash = hashString( JSON.stringify( entries ) );
+
+		let layoutChanged = false;
+
+		// check if the bind group already has a layout and if it's still valid
 
 		if ( bindingsData.layout ) {
 
-			return bindingsData.layout.layoutGPU;
+			// if the layout hash changed (e.g. visibility was updated), invalidate the old layout
 
-		}
+			if ( bindingsData.layoutHash !== bindGroupLayoutHash ) {
 
-		// if not, assing one
+				bindingsData.layout.usedTimes --;
 
-		const entries = this._createLayoutEntries( bindGroup );
-		const bindGroupLayoutKey = JSON.stringify( entries );
+				if ( bindingsData.layout.usedTimes === 0 ) {
+
+					this._bindGroupLayoutCache.delete( bindingsData.layoutHash );
 
-		// try to find an existing layout in the cache
+				}
+
+				bindingsData.layout = undefined;
+				bindingsData.layoutHash = undefined;
 
-		let bindGroupLayout = this._bindGroupLayoutCache.get( bindGroupLayoutKey );
+				layoutChanged = true;
 
-		// if not create a new one
+			} else {
+
+				return bindingsData.layout.layoutGPU;
+
+			}
+
+		}
+
+		// create or reuse a bind group layout from the cache
+
+		let bindGroupLayout = this._bindGroupLayoutCache.get( bindGroupLayoutHash );
 
 		if ( bindGroupLayout === undefined ) {
 
 			bindGroupLayout = new BindGroupLayout( device.createBindGroupLayout( { entries } ) );
-			this._bindGroupLayoutCache.set( bindGroupLayoutKey, bindGroupLayout );
+			this._bindGroupLayoutCache.set( bindGroupLayoutHash, bindGroupLayout );
 
 		}
 
 		bindGroupLayout.usedTimes ++;
 
 		bindingsData.layout = bindGroupLayout;
-		bindingsData.layoutKey = bindGroupLayoutKey;
+		bindingsData.layoutHash = bindGroupLayoutHash;
+
+		// if layout changed, recreate the GPU bind group with the new layout
+
+		if ( layoutChanged ) {
+
+			bindingsData.group = this.createBindGroup( bindGroup, bindGroupLayout.layoutGPU );
+
+		}
 
 		return bindGroupLayout.layoutGPU;
 
@@ -76804,12 +77109,12 @@ class WebGPUBindingUtils {
 
 			if ( bindingsData.layout.usedTimes === 0 ) {
 
-				this._bindGroupLayoutCache.delete( bindingsData.layoutKey );
+				this._bindGroupLayoutCache.delete( bindingsData.layoutHash );
 
 			}
 
 			bindingsData.layout = undefined;
-			bindingsData.layoutKey = undefined;
+			bindingsData.layoutHash = undefined;
 
 		}
 
@@ -76914,8 +77219,8 @@ class WebGPUPipelineUtils {
 
 		for ( const bindGroup of renderObject.getBindings() ) {
 
-			const bindingsData = backend.get( bindGroup );
-			const { layoutGPU } = bindingsData.layout;
+			// ensure layout is up to date (visibility may have changed due to shared bind groups)
+			const layoutGPU = backend.bindingUtils.createBindingsLayout( bindGroup );
 
 			bindGroupLayouts.push( layoutGPU );
 
@@ -76970,15 +77275,25 @@ class WebGPUPipelineUtils {
 
 				if ( mrt !== null ) {
 
-					const blendMode = mrt.getBlendMode( texture.name );
+					if ( this.backend.compatibilityMode !== true ) {
 
-					if ( blendMode.blending === MaterialBlending ) {
+						const blendMode = mrt.getBlendMode( texture.name );
 
-						blending = materialBlending;
+						if ( blendMode.blending === MaterialBlending ) {
+
+							blending = materialBlending;
+
+						} else if ( blendMode.blending !== NoBlending ) {
 
-					} else if ( blendMode.blending !== NoBlending ) {
+							blending = this._getBlending( blendMode );
+
+						}
 
-						blending = this._getBlending( blendMode );
+					} else {
+
+						warnOnce( 'WebGPURenderer: Multiple Render Targets (MRT) blending configuration is not fully supported in compatibility mode. The material blending will be used for all render targets.' );
+
+						blending = materialBlending;
 
 					}
 
@@ -77165,8 +77480,8 @@ class WebGPUPipelineUtils {
 
 		for ( const bindingsGroup of bindings ) {
 
-			const bindingsData = backend.get( bindingsGroup );
-			const { layoutGPU } = bindingsData.layout;
+			// ensure layout is up to date (visibility may have changed due to shared bind groups)
+			const layoutGPU = backend.bindingUtils.createBindingsLayout( bindingsGroup );
 
 			bindGroupLayouts.push( layoutGPU );
 
@@ -77589,11 +77904,11 @@ class WebGPUPipelineUtils {
 
 		if ( material.depthTest === false ) {
 
-			depthCompare = GPUCompareFunction.Always;
+			depthCompare = ( this.backend.parameters.reversedDepthBuffer ) ? GPUCompareFunction.Never : GPUCompareFunction.Always;
 
 		} else {
 
-			const depthFunc = material.depthFunc;
+			const depthFunc = ( this.backend.parameters.reversedDepthBuffer ) ? ReversedDepthFuncs[ material.depthFunc ] : material.depthFunc;
 
 			switch ( depthFunc ) {
 
@@ -77966,6 +78281,7 @@ class WebGPUBackend extends Backend {
 	 *
 	 * @typedef {Object} WebGPUBackend~Options
 	 * @property {boolean} [logarithmicDepthBuffer=false] - Whether logarithmic depth buffer is enabled or not.
+	 * @property {boolean} [reversedDepthBuffer=false] - Whether reversed depth buffer is enabled or not.
 	 * @property {boolean} [alpha=true] - Whether the default framebuffer (which represents the final contents of the canvas) should be transparent or opaque.
 	 * @property {boolean} [depth=true] - Whether the default framebuffer should have a depth buffer or not.
 	 * @property {boolean} [stencil=false] - Whether the default framebuffer should have a stencil buffer or not.
@@ -80688,6 +81004,7 @@ class WebGPURenderer extends Renderer {
 	 *
 	 * @typedef {Object} WebGPURenderer~Options
 	 * @property {boolean} [logarithmicDepthBuffer=false] - Whether logarithmic depth buffer is enabled or not.
+	 * @property {boolean} [reversedDepthBuffer=false] - Whether reversed depth buffer is enabled or not.
 	 * @property {boolean} [alpha=true] - Whether the default framebuffer (which represents the final contents of the canvas) should be transparent or opaque.
 	 * @property {boolean} [depth=true] - Whether the default framebuffer should have a depth buffer or not.
 	 * @property {boolean} [stencil=false] - Whether the default framebuffer should have a stencil buffer or not.
diff --git a/build/three.webgpu.min.js b/build/three.webgpu.min.js
index d916e42eeec97b..b55cbf79d729da 100644
--- a/build/three.webgpu.min.js
+++ b/build/three.webgpu.min.js
@@ -3,4 +3,4 @@
  * Copyright 2010-2026 Three.js Authors
  * SPDX-License-Identifier: MIT
  */
-import{Color as e,Vector2 as t,Vector3 as r,Vector4 as s,Matrix2 as i,Matrix3 as n,Matrix4 as a,error as o,EventDispatcher as u,MathUtils as l,warn as d,WebGLCoordinateSystem as c,WebGPUCoordinateSystem as h,ColorManagement as p,SRGBTransfer as g,NoToneMapping as m,StaticDrawUsage as f,InterleavedBufferAttribute as y,InterleavedBuffer as b,DynamicDrawUsage as x,NoColorSpace as T,log as _,warnOnce as v,Texture as N,UnsignedIntType as S,IntType as R,Compatibility as E,LessCompare as A,NearestFilter as w,Sphere as C,BackSide as M,DoubleSide as B,Euler as F,CubeTexture as L,CubeReflectionMapping as P,CubeRefractionMapping as D,TangentSpaceNormalMap as U,NoNormalPacking as I,NormalRGPacking as O,NormalGAPacking as V,ObjectSpaceNormalMap as k,RGFormat as G,RED_GREEN_RGTC2_Format as z,RG11_EAC_Format as $,InstancedBufferAttribute as W,InstancedInterleavedBuffer as H,DataArrayTexture as q,FloatType as j,FramebufferTexture as X,LinearMipmapLinearFilter as K,DepthTexture as Y,Material as Q,LineBasicMaterial as Z,LineDashedMaterial as J,NoBlending as ee,MeshNormalMaterial as te,SRGBColorSpace as re,RenderTarget as se,BoxGeometry as ie,Mesh as ne,Scene as ae,LinearFilter as oe,CubeCamera as ue,EquirectangularReflectionMapping as le,EquirectangularRefractionMapping as de,AddOperation as ce,MixOperation as he,MultiplyOperation as pe,MeshBasicMaterial as ge,MeshLambertMaterial as me,MeshPhongMaterial as fe,DataTexture as ye,HalfFloatType as be,ClampToEdgeWrapping as xe,BufferGeometry as Te,OrthographicCamera as _e,PerspectiveCamera as ve,LinearSRGBColorSpace as Ne,RGBAFormat as Se,CubeUVReflectionMapping as Re,BufferAttribute as Ee,MeshStandardMaterial as Ae,MeshPhysicalMaterial as we,MeshToonMaterial as Ce,MeshMatcapMaterial as Me,SpriteMaterial as Be,PointsMaterial as Fe,ShadowMaterial as Le,Uint32BufferAttribute as Pe,Uint16BufferAttribute as De,DepthStencilFormat as Ue,DepthFormat as Ie,UnsignedInt248Type as Oe,UnsignedByteType as Ve,NormalBlending as ke,SrcAlphaFactor as Ge,OneMinusSrcAlphaFactor as ze,AddEquation as $e,MaterialBlending as We,Plane as He,Object3D as qe,LinearMipMapLinearFilter as je,Float32BufferAttribute as Xe,UVMapping as Ke,VSMShadowMap as Ye,LessEqualCompare as Qe,PCFShadowMap as Ze,PCFSoftShadowMap as Je,BasicShadowMap as et,CubeDepthTexture as tt,SphereGeometry as rt,LinearMipmapNearestFilter as st,NearestMipmapLinearFilter as it,Float16BufferAttribute as nt,REVISION as at,ArrayCamera as ot,PlaneGeometry as ut,FrontSide as lt,CustomBlending as dt,ZeroFactor as ct,CylinderGeometry as ht,Quaternion as pt,WebXRController as gt,RAD2DEG as mt,FrustumArray as ft,Frustum as yt,RedIntegerFormat as bt,RedFormat as xt,ShortType as Tt,ByteType as _t,UnsignedShortType as vt,RGIntegerFormat as Nt,RGBIntegerFormat as St,RGBFormat as Rt,RGBAIntegerFormat as Et,TimestampQuery as At,createCanvasElement as wt,ReverseSubtractEquation as Ct,SubtractEquation as Mt,OneMinusDstAlphaFactor as Bt,OneMinusDstColorFactor as Ft,OneMinusSrcColorFactor as Lt,DstAlphaFactor as Pt,DstColorFactor as Dt,SrcAlphaSaturateFactor as Ut,SrcColorFactor as It,OneFactor as Ot,CullFaceNone as Vt,CullFaceBack as kt,CullFaceFront as Gt,MultiplyBlending as zt,SubtractiveBlending as $t,AdditiveBlending as Wt,NotEqualDepth as Ht,GreaterDepth as qt,GreaterEqualDepth as jt,EqualDepth as Xt,LessEqualDepth as Kt,LessDepth as Yt,AlwaysDepth as Qt,NeverDepth as Zt,UnsignedShort4444Type as Jt,UnsignedShort5551Type as er,UnsignedInt5999Type as tr,UnsignedInt101111Type as rr,AlphaFormat as sr,RGB_S3TC_DXT1_Format as ir,RGBA_S3TC_DXT1_Format as nr,RGBA_S3TC_DXT3_Format as ar,RGBA_S3TC_DXT5_Format as or,RGB_PVRTC_4BPPV1_Format as ur,RGB_PVRTC_2BPPV1_Format as lr,RGBA_PVRTC_4BPPV1_Format as dr,RGBA_PVRTC_2BPPV1_Format as cr,RGB_ETC1_Format as hr,RGB_ETC2_Format as pr,RGBA_ETC2_EAC_Format as gr,R11_EAC_Format as mr,SIGNED_R11_EAC_Format as fr,SIGNED_RG11_EAC_Format as yr,RGBA_ASTC_4x4_Format as br,RGBA_ASTC_5x4_Format as xr,RGBA_ASTC_5x5_Format as Tr,RGBA_ASTC_6x5_Format as _r,RGBA_ASTC_6x6_Format as vr,RGBA_ASTC_8x5_Format as Nr,RGBA_ASTC_8x6_Format as Sr,RGBA_ASTC_8x8_Format as Rr,RGBA_ASTC_10x5_Format as Er,RGBA_ASTC_10x6_Format as Ar,RGBA_ASTC_10x8_Format as wr,RGBA_ASTC_10x10_Format as Cr,RGBA_ASTC_12x10_Format as Mr,RGBA_ASTC_12x12_Format as Br,RGBA_BPTC_Format as Fr,RED_RGTC1_Format as Lr,SIGNED_RED_RGTC1_Format as Pr,SIGNED_RED_GREEN_RGTC2_Format as Dr,MirroredRepeatWrapping as Ur,RepeatWrapping as Ir,NearestMipmapNearestFilter as Or,NotEqualCompare as Vr,GreaterCompare as kr,GreaterEqualCompare as Gr,EqualCompare as zr,AlwaysCompare as $r,NeverCompare as Wr,LinearTransfer as Hr,getByteLength as qr,isTypedArray as jr,NotEqualStencilFunc as Xr,GreaterStencilFunc as Kr,GreaterEqualStencilFunc as Yr,EqualStencilFunc as Qr,LessEqualStencilFunc as Zr,LessStencilFunc as Jr,AlwaysStencilFunc as es,NeverStencilFunc as ts,DecrementWrapStencilOp as rs,IncrementWrapStencilOp as ss,DecrementStencilOp as is,IncrementStencilOp as ns,InvertStencilOp as as,ReplaceStencilOp as os,ZeroStencilOp as us,KeepStencilOp as ls,MaxEquation as ds,MinEquation as cs,SpotLight as hs,PointLight as ps,DirectionalLight as gs,RectAreaLight as ms,AmbientLight as fs,HemisphereLight as ys,LightProbe as bs,LinearToneMapping as xs,ReinhardToneMapping as Ts,CineonToneMapping as _s,ACESFilmicToneMapping as vs,AgXToneMapping as Ns,NeutralToneMapping as Ss,Group as Rs,Loader as Es,FileLoader as As,MaterialLoader as ws,ObjectLoader as Cs}from"./three.core.min.js";export{AdditiveAnimationBlendMode,AnimationAction,AnimationClip,AnimationLoader,AnimationMixer,AnimationObjectGroup,AnimationUtils,ArcCurve,ArrowHelper,AttachedBindMode,Audio,AudioAnalyser,AudioContext,AudioListener,AudioLoader,AxesHelper,BasicDepthPacking,BatchedMesh,BezierInterpolant,Bone,BooleanKeyframeTrack,Box2,Box3,Box3Helper,BoxHelper,BufferGeometryLoader,Cache,Camera,CameraHelper,CanvasTexture,CapsuleGeometry,CatmullRomCurve3,CircleGeometry,Clock,ColorKeyframeTrack,CompressedArrayTexture,CompressedCubeTexture,CompressedTexture,CompressedTextureLoader,ConeGeometry,ConstantAlphaFactor,ConstantColorFactor,Controls,CubeTextureLoader,CubicBezierCurve,CubicBezierCurve3,CubicInterpolant,CullFaceFrontBack,Curve,CurvePath,CustomToneMapping,Cylindrical,Data3DTexture,DataTextureLoader,DataUtils,DefaultLoadingManager,DetachedBindMode,DirectionalLightHelper,DiscreteInterpolant,DodecahedronGeometry,DynamicCopyUsage,DynamicReadUsage,EdgesGeometry,EllipseCurve,ExternalTexture,ExtrudeGeometry,Fog,FogExp2,GLBufferAttribute,GLSL1,GLSL3,GridHelper,HemisphereLightHelper,IcosahedronGeometry,ImageBitmapLoader,ImageLoader,ImageUtils,InstancedBufferGeometry,InstancedMesh,Int16BufferAttribute,Int32BufferAttribute,Int8BufferAttribute,Interpolant,InterpolateBezier,InterpolateDiscrete,InterpolateLinear,InterpolateSmooth,InterpolationSamplingMode,InterpolationSamplingType,KeyframeTrack,LOD,LatheGeometry,Layers,Light,Line,Line3,LineCurve,LineCurve3,LineLoop,LineSegments,LinearInterpolant,LinearMipMapNearestFilter,LoaderUtils,LoadingManager,LoopOnce,LoopPingPong,LoopRepeat,MOUSE,MeshDepthMaterial,MeshDistanceMaterial,NearestMipMapLinearFilter,NearestMipMapNearestFilter,NormalAnimationBlendMode,NumberKeyframeTrack,OctahedronGeometry,OneMinusConstantAlphaFactor,OneMinusConstantColorFactor,Path,PlaneHelper,PointLightHelper,Points,PolarGridHelper,PolyhedronGeometry,PositionalAudio,PropertyBinding,PropertyMixer,QuadraticBezierCurve,QuadraticBezierCurve3,QuaternionKeyframeTrack,QuaternionLinearInterpolant,RGBADepthPacking,RGBDepthPacking,RGB_BPTC_SIGNED_Format,RGB_BPTC_UNSIGNED_Format,RGDepthPacking,RawShaderMaterial,Ray,Raycaster,RenderTarget3D,RingGeometry,ShaderMaterial,Shape,ShapeGeometry,ShapePath,ShapeUtils,Skeleton,SkeletonHelper,SkinnedMesh,Source,Spherical,SphericalHarmonics3,SplineCurve,SpotLightHelper,Sprite,StaticCopyUsage,StaticReadUsage,StereoCamera,StreamCopyUsage,StreamDrawUsage,StreamReadUsage,StringKeyframeTrack,TOUCH,TetrahedronGeometry,TextureLoader,TextureUtils,Timer,TorusGeometry,TorusKnotGeometry,Triangle,TriangleFanDrawMode,TriangleStripDrawMode,TrianglesDrawMode,TubeGeometry,Uint8BufferAttribute,Uint8ClampedBufferAttribute,Uniform,UniformsGroup,VectorKeyframeTrack,VideoFrameTexture,VideoTexture,WebGL3DRenderTarget,WebGLArrayRenderTarget,WebGLRenderTarget,WireframeGeometry,WrapAroundEnding,ZeroCurvatureEnding,ZeroSlopeEnding,getConsoleFunction,setConsoleFunction}from"./three.core.min.js";const Ms=["alphaMap","alphaTest","anisotropy","anisotropyMap","anisotropyRotation","aoMap","aoMapIntensity","attenuationColor","attenuationDistance","bumpMap","clearcoat","clearcoatMap","clearcoatNormalMap","clearcoatNormalScale","clearcoatRoughness","color","dispersion","displacementMap","emissive","emissiveIntensity","emissiveMap","envMap","envMapIntensity","gradientMap","ior","iridescence","iridescenceIOR","iridescenceMap","iridescenceThicknessMap","lightMap","lightMapIntensity","map","matcap","metalness","metalnessMap","normalMap","normalScale","opacity","roughness","roughnessMap","sheen","sheenColor","sheenColorMap","sheenRoughnessMap","shininess","specular","specularColor","specularColorMap","specularIntensity","specularIntensityMap","specularMap","thickness","transmission","transmissionMap"],Bs=new WeakMap;class Fs{constructor(e){this.renderObjects=new 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i=s[e];i&&!0===i.isNode&&t.push({property:r,index:e,childNode:i})}}return t}getCacheKey(e=!1,t=null){if(!0===(e=e||this.version!==this._cacheKeyVersion)||null===this._cacheKey){null===t&&(t=new Set);const r=[];for(const{property:s,childNode:i}of this._getChildren(t))r.push(Us(s.slice(0,-4)),i.getCacheKey(e,t));this._cacheKey=Os(Is(r),this.customCacheKey()),this._cacheKeyVersion=this.version}return this._cacheKey}customCacheKey(){return this.id}getScope(){return this}getHash(){return this.uuid}getUpdateType(){return this.updateType}getUpdateBeforeType(){return this.updateBeforeType}getUpdateAfterType(){return this.updateAfterType}getElementType(e){const t=this.getNodeType(e);return e.getElementType(t)}getMemberType(){return"void"}getNodeType(e){const t=e.getNodeProperties(this);return t.outputNode?t.outputNode.getNodeType(e):this.nodeType}getShared(e){const t=this.getHash(e);return e.getNodeFromHash(t)||this}getArrayCount(){return null}setup(e){const t=e.getNodeProperties(this);let r=0;for(const e of this.getChildren())t["node"+r++]=e;return t.outputNode||null}analyze(e,t=null){const r=e.increaseUsage(this);if(!0===this.parents){const r=e.getDataFromNode(this,"any");r.stages=r.stages||{},r.stages[e.shaderStage]=r.stages[e.shaderStage]||[],r.stages[e.shaderStage].push(t)}if(1===r){const t=e.getNodeProperties(this);for(const r of Object.values(t))r&&!0===r.isNode&&r.build(e,this)}}generate(e,t){const{outputNode:r}=e.getNodeProperties(this);if(r&&!0===r.isNode)return r.build(e,t)}updateBefore(){d("Abstract function.")}updateAfter(){d("Abstract function.")}update(){d("Abstract function.")}before(e){return null===this._beforeNodes&&(this._beforeNodes=[]),this._beforeNodes.push(e),this}build(e,t=null){const r=this.getShared(e);if(this!==r)return r.build(e,t);if(null!==this._beforeNodes){const r=this._beforeNodes;this._beforeNodes=null;for(const s of r)s.build(e,t);this._beforeNodes=r}const s=e.getDataFromNode(this);s.buildStages=s.buildStages||{},s.buildStages[e.buildStage]=!0;const i=ai[e.buildStage];if(i&&!0!==s.buildStages[i]){const t=e.getBuildStage();e.setBuildStage(i),this.build(e),e.setBuildStage(t)}e.addNode(this),e.addChain(this);let n=null;const a=e.getBuildStage();if("setup"===a){this.updateReference(e);const t=e.getNodeProperties(this);if(!0!==t.initialized){t.initialized=!0,t.outputNode=this.setup(e)||t.outputNode||null;for(const r of Object.values(t))if(r&&!0===r.isNode){if(!0===r.parents){const t=e.getNodeProperties(r);t.parents=t.parents||[],t.parents.push(this)}r.build(e)}}n=t.outputNode}else if("analyze"===a)this.analyze(e,t);else if("generate"===a){if(this.generate.length<2){const r=this.getNodeType(e),s=e.getDataFromNode(this);n=s.snippet,void 0===n?void 0===s.generated?(s.generated=!0,n=this.generate(e)||"",s.snippet=n):(d("Node: Recursion detected.",this),n="/* Recursion detected. */"):void 0!==s.flowCodes&&void 0!==e.context.nodeBlock&&e.addFlowCodeHierarchy(this,e.context.nodeBlock),n=e.format(n,r,t)}else n=this.generate(e,t)||"";""===n&&null!==t&&"void"!==t&&"OutputType"!==t&&(o(`TSL: Invalid generated code, expected a "${t}".`),n=e.generateConst(t))}return e.removeChain(this),e.addSequentialNode(this),n}getSerializeChildren(){return this._getChildren()}serialize(e){const t=this.getSerializeChildren(),r={};for(const{property:s,index:i,childNode:n}of t)void 0!==i?(void 0===r[s]&&(r[s]=Number.isInteger(i)?[]:{}),r[s][i]=n.toJSON(e.meta).uuid):r[s]=n.toJSON(e.meta).uuid;Object.keys(r).length>0&&(e.inputNodes=r)}deserialize(e){if(void 0!==e.inputNodes){const t=e.meta.nodes;for(const r in e.inputNodes)if(Array.isArray(e.inputNodes[r])){const s=[];for(const i of e.inputNodes[r])s.push(t[i]);this[r]=s}else if("object"==typeof e.inputNodes[r]){const s={};for(const i in e.inputNodes[r]){const n=e.inputNodes[r][i];s[i]=t[n]}this[r]=s}else{const s=e.inputNodes[r];this[r]=t[s]}}}toJSON(e){const{uuid:t,type:r}=this,s=void 0===e||"string"==typeof e;s&&(e={textures:{},images:{},nodes:{}});let i=e.nodes[t];function n(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(void 0===i&&(i={uuid:t,type:r,meta:e,metadata:{version:4.7,type:"Node",generator:"Node.toJSON"}},!0!==s&&(e.nodes[i.uuid]=i),this.serialize(i),delete i.meta),s){const t=n(e.textures),r=n(e.images),s=n(e.nodes);t.length>0&&(i.textures=t),r.length>0&&(i.images=r),s.length>0&&(i.nodes=s)}return i}}ui.captureStackTrace=!1;class li extends ui{static get type(){return"ArrayElementNode"}constructor(e,t){super(),this.node=e,this.indexNode=t,this.isArrayElementNode=!0}getNodeType(e){return this.node.getElementType(e)}getMemberType(e,t){return this.node.getMemberType(e,t)}generate(e){const t=this.indexNode.getNodeType(e);return`${this.node.build(e)}[ ${this.indexNode.build(e,!e.isVector(t)&&e.isInteger(t)?t:"uint")} ]`}}class di extends ui{static get type(){return"ConvertNode"}constructor(e,t){super(),this.node=e,this.convertTo=t}getNodeType(e){const t=this.node.getNodeType(e);let r=null;for(const s of this.convertTo.split("|"))null!==r&&e.getTypeLength(t)!==e.getTypeLength(s)||(r=s);return r}serialize(e){super.serialize(e),e.convertTo=this.convertTo}deserialize(e){super.deserialize(e),this.convertTo=e.convertTo}generate(e,t){const r=this.node,s=this.getNodeType(e),i=r.build(e,s);return e.format(i,s,t)}}class ci extends ui{static get type(){return"TempNode"}constructor(e=null){super(e),this.isTempNode=!0}hasDependencies(e){return e.getDataFromNode(this).usageCount>1}build(e,t){if("generate"===e.getBuildStage()){const r=e.getVectorType(this.getNodeType(e,t)),s=e.getDataFromNode(this);if(void 0!==s.propertyName)return e.format(s.propertyName,r,t);if("void"!==r&&"void"!==t&&this.hasDependencies(e)){const i=super.build(e,r),n=e.getVarFromNode(this,null,r),a=e.getPropertyName(n);return e.addLineFlowCode(`${a} = ${i}`,this),s.snippet=i,s.propertyName=a,e.format(s.propertyName,r,t)}}return super.build(e,t)}}class hi extends ci{static get type(){return"JoinNode"}constructor(e=[],t=null){super(t),this.nodes=e}getNodeType(e){return null!==this.nodeType?e.getVectorType(this.nodeType):e.getTypeFromLength(this.nodes.reduce((t,r)=>t+e.getTypeLength(r.getNodeType(e)),0))}generate(e,t){const r=this.getNodeType(e),s=e.getTypeLength(r),i=this.nodes,n=e.getComponentType(r),a=[];let u=0;for(const t of i){if(u>=s){o(`TSL: Length of parameters exceeds maximum length of function '${r}()' type.`,this.stackTrace);break}let i,l=t.getNodeType(e),d=e.getTypeLength(l);u+d>s&&(o(`TSL: Length of '${r}()' data exceeds maximum length of output type.`,this.stackTrace),d=s-u,l=e.getTypeFromLength(d)),u+=d,i=t.build(e,l);if(e.getComponentType(l)!==n){const t=e.getTypeFromLength(d,n);i=e.format(i,l,t)}a.push(i)}const l=`${e.getType(r)}( ${a.join(", ")} )`;return e.format(l,r,t)}}const pi=ni.join("");class gi extends ui{static get type(){return"SplitNode"}constructor(e,t="x"){super(),this.node=e,this.components=t,this.isSplitNode=!0}getVectorLength(){let e=this.components.length;for(const t of this.components)e=Math.max(ni.indexOf(t)+1,e);return e}getComponentType(e){return e.getComponentType(this.node.getNodeType(e))}getNodeType(e){return e.getTypeFromLength(this.components.length,this.getComponentType(e))}getScope(){return this.node.getScope()}generate(e,t){const r=this.node,s=e.getTypeLength(r.getNodeType(e));let i=null;if(s>1){let n=null;this.getVectorLength()>=s&&(n=e.getTypeFromLength(this.getVectorLength(),this.getComponentType(e)));const a=r.build(e,n);i=this.components.length===s&&this.components===pi.slice(0,this.components.length)?e.format(a,n,t):e.format(`${a}.${this.components}`,this.getNodeType(e),t)}else i=r.build(e,t);return i}serialize(e){super.serialize(e),e.components=this.components}deserialize(e){super.deserialize(e),this.components=e.components}}class mi extends ci{static get type(){return"SetNode"}constructor(e,t,r){super(),this.sourceNode=e,this.components=t,this.targetNode=r}getNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{sourceNode:t,components:r,targetNode:s}=this,i=this.getNodeType(e),n=e.getComponentType(s.getNodeType(e)),a=e.getTypeFromLength(r.length,n),o=s.build(e,a),u=t.build(e,i),l=e.getTypeLength(i),d=[];for(let e=0;e<l;e++){const t=ni[e];t===r[0]?(d.push(o),e+=r.length-1):d.push(u+"."+t)}return`${e.getType(i)}( ${d.join(", ")} )`}}class fi extends ci{static get type(){return"FlipNode"}constructor(e,t){super(),this.sourceNode=e,this.components=t}getNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{components:t,sourceNode:r}=this,s=this.getNodeType(e),i=r.build(e),n=e.getVarFromNode(this),a=e.getPropertyName(n);e.addLineFlowCode(a+" = "+i,this);const o=e.getTypeLength(s),u=[];let l=0;for(let e=0;e<o;e++){const r=ni[e];r===t[l]?(u.push("1.0 - "+a+"."+r),l++):u.push(a+"."+r)}return`${e.getType(s)}( ${u.join(", ")} )`}}class yi extends ui{static get type(){return"InputNode"}constructor(e,t=null){super(t),this.isInputNode=!0,this.value=e,this.precision=null}getNodeType(){return null===this.nodeType?qs(this.value):this.nodeType}getInputType(e){return this.getNodeType(e)}setPrecision(e){return this.precision=e,this}serialize(e){super.serialize(e),e.value=this.value,this.value&&this.value.toArray&&(e.value=this.value.toArray()),e.valueType=qs(this.value),e.nodeType=this.nodeType,"ArrayBuffer"===e.valueType&&(e.value=Ks(e.value)),e.precision=this.precision}deserialize(e){super.deserialize(e),this.nodeType=e.nodeType,this.value=Array.isArray(e.value)?js(e.valueType,...e.value):e.value,this.precision=e.precision||null,this.value&&this.value.fromArray&&(this.value=this.value.fromArray(e.value))}generate(){d("Abstract function.")}}const bi=/float|u?int/;class xi extends yi{static get type(){return"ConstNode"}constructor(e,t=null){super(e,t),this.isConstNode=!0}generateConst(e){return e.generateConst(this.getNodeType(e),this.value)}generate(e,t){const r=this.getNodeType(e);return bi.test(r)&&bi.test(t)?e.generateConst(t,this.value):e.format(this.generateConst(e),r,t)}}class Ti extends ui{static get type(){return"MemberNode"}constructor(e,t){super(),this.structNode=e,this.property=t,this.isMemberNode=!0}hasMember(e){return(!this.structNode.isMemberNode||!1!==this.structNode.hasMember(e))&&"void"!==this.structNode.getMemberType(e,this.property)}getNodeType(e){return!1===this.hasMember(e)?"float":this.structNode.getMemberType(e,this.property)}getMemberType(e,t){if(!1===this.hasMember(e))return"float";const r=this.getNodeType(e);return e.getStructTypeNode(r).getMemberType(e,t)}generate(e){if(!1===this.hasMember(e)){d(`TSL: Member "${this.property}" does not exist in struct.`,this.stackTrace);const t=this.getNodeType(e);return e.generateConst(t)}return this.structNode.build(e)+"."+this.property}}let _i=null;const vi=new Map;function Ni(e,t){if(vi.has(e))d(`TSL: Redefinition of method chaining '${e}'.`);else{if("function"!=typeof t)throw new Error(`THREE.TSL: Node element ${e} is not a function`);vi.set(e,t),"assign"!==e&&(ui.prototype[e]=function(...e){return this.isStackNode?this.addToStack(t(...e)):t(this,...e)},ui.prototype[e+"Assign"]=function(...e){return this.isStackNode?this.assign(e[0],t(...e)):this.assign(t(this,...e))})}}const Si=e=>(e=>e.replace(/r|s/g,"x").replace(/g|t/g,"y").replace(/b|p/g,"z").replace(/a|q/g,"w"))(e).split("").sort().join("");ui.prototype.assign=function(...e){if(!0!==this.isStackNode)return null!==_i?_i.assign(this,...e):o("TSL: No stack defined for assign operation. Make sure the assign is inside a Fn().",new Ps),this;{const t=vi.get("assign");return this.addToStack(t(...e))}},ui.prototype.toVarIntent=function(){return this},ui.prototype.get=function(e){return new Ti(this,e)};const Ri={};function Ei(e,t,r){Ri[e]=Ri[t]=Ri[r]={get(){this._cache=this._cache||{};let t=this._cache[e];return void 0===t&&(t=new gi(this,e),this._cache[e]=t),t},set(t){this[e].assign(Zi(t))}};const s=e.toUpperCase(),i=t.toUpperCase(),n=r.toUpperCase();ui.prototype["set"+s]=ui.prototype["set"+i]=ui.prototype["set"+n]=function(t){const r=Si(e);return new mi(this,r,Zi(t))},ui.prototype["flip"+s]=ui.prototype["flip"+i]=ui.prototype["flip"+n]=function(){const t=Si(e);return new fi(this,t)}}const Ai=["x","y","z","w"],wi=["r","g","b","a"],Ci=["s","t","p","q"];for(let e=0;e<4;e++){let t=Ai[e],r=wi[e],s=Ci[e];Ei(t,r,s);for(let i=0;i<4;i++){t=Ai[e]+Ai[i],r=wi[e]+wi[i],s=Ci[e]+Ci[i],Ei(t,r,s);for(let n=0;n<4;n++){t=Ai[e]+Ai[i]+Ai[n],r=wi[e]+wi[i]+wi[n],s=Ci[e]+Ci[i]+Ci[n],Ei(t,r,s);for(let a=0;a<4;a++)t=Ai[e]+Ai[i]+Ai[n]+Ai[a],r=wi[e]+wi[i]+wi[n]+wi[a],s=Ci[e]+Ci[i]+Ci[n]+Ci[a],Ei(t,r,s)}}}for(let e=0;e<32;e++)Ri[e]={get(){this._cache=this._cache||{};let t=this._cache[e];return void 0===t&&(t=new li(this,new xi(e,"uint")),this._cache[e]=t),t},set(t){this[e].assign(Zi(t))}};Object.defineProperties(ui.prototype,Ri);const Mi=new WeakMap,Bi=function(e,t=null){for(const r in e)e[r]=Zi(e[r],t);return e},Fi=function(e,t=null){const r=e.length;for(let s=0;s<r;s++)e[s]=Zi(e[s],t);return e},Li=function(e,t=null,r=null,s=null){function i(e){return null!==s?(e=Zi(Object.assign(e,s)),!0===s.intent&&(e=e.toVarIntent())):e=Zi(e),e}let n,a,u,l=t;function d(t){let r;return r=l?/[a-z]/i.test(l)?l+"()":l:e.type,void 0!==a&&t.length<a?(o(`TSL: "${r}" parameter length is less than minimum required.`,new Ps),t.concat(new Array(a-t.length).fill(0))):void 0!==u&&t.length>u?(o(`TSL: "${r}" parameter length exceeds limit.`,new Ps),t.slice(0,u)):t}return null===t?n=(...t)=>i(new e(...tn(d(t)))):null!==r?(r=Zi(r),n=(...s)=>i(new e(t,...tn(d(s)),r))):n=(...r)=>i(new e(t,...tn(d(r)))),n.setParameterLength=(...e)=>(1===e.length?a=u=e[0]:2===e.length&&([a,u]=e),n),n.setName=e=>(l=e,n),n},Pi=function(e,...t){return new e(...tn(t))};class Di extends ui{constructor(e,t){super(),this.shaderNode=e,this.rawInputs=t,this.isShaderCallNodeInternal=!0}getNodeType(e){return this.shaderNode.nodeType||this.getOutputNode(e).getNodeType(e)}getElementType(e){return this.getOutputNode(e).getElementType(e)}getMemberType(e,t){return this.getOutputNode(e).getMemberType(e,t)}call(e){const{shaderNode:t,rawInputs:r}=this,s=e.getNodeProperties(t),i=e.getClosestSubBuild(t.subBuilds)||"",n=i||"default";if(s[n])return s[n];const a=e.subBuildFn,o=e.fnCall;e.subBuildFn=i,e.fnCall=this;let u=null;if(t.layout){let s=Mi.get(e.constructor);void 0===s&&(s=new WeakMap,Mi.set(e.constructor,s));let i=s.get(t);void 0===i&&(i=Zi(e.buildFunctionNode(t)),s.set(t,i)),e.addInclude(i);const n=r?function(e){let t;en(e);t=e[0]&&(e[0].isNode||Object.getPrototypeOf(e[0])!==Object.prototype)?[...e]:e[0];return t}(r):null;u=Zi(i.call(n))}else{const s=new Proxy(e,{get:(e,t,r)=>{let s;return s=Symbol.iterator===t?function*(){yield}:Reflect.get(e,t,r),s}}),i=r?function(e){let t=0;return en(e),new Proxy(e,{get:(r,s,i)=>{let n;if("length"===s)return n=e.length,n;if(Symbol.iterator===s)n=function*(){for(const t of e)yield Zi(t)};else{if(e.length>0)if(Object.getPrototypeOf(e[0])===Object.prototype){const r=e[0];n=void 0===r[s]?r[t++]:Reflect.get(r,s,i)}else e[0]instanceof ui&&(n=void 0===e[s]?e[t++]:Reflect.get(e,s,i));else n=Reflect.get(r,s,i);n=Zi(n)}return n}})}(r):null,n=Array.isArray(r)?r.length>0:null!==r,a=t.jsFunc,o=n||a.length>1?a(i,s):a(s);u=Zi(o)}return e.subBuildFn=a,e.fnCall=o,t.once&&(s[n]=u),u}setupOutput(e){return e.addStack(),e.stack.outputNode=this.call(e),e.removeStack()}getOutputNode(e){const t=e.getNodeProperties(this),r=e.getSubBuildOutput(this);return t[r]=t[r]||this.setupOutput(e),t[r].subBuild=e.getClosestSubBuild(this),t[r]}build(e,t=null){let r=null;const s=e.getBuildStage(),i=e.getNodeProperties(this),n=e.getSubBuildOutput(this),a=this.getOutputNode(e),o=e.fnCall;if(e.fnCall=this,"setup"===s){const t=e.getSubBuildProperty("initialized",this);if(!0!==i[t]&&(i[t]=!0,i[n]=this.getOutputNode(e),i[n].build(e),this.shaderNode.subBuilds))for(const t of e.chaining){const r=e.getDataFromNode(t,"any");r.subBuilds=r.subBuilds||new Set;for(const e of this.shaderNode.subBuilds)r.subBuilds.add(e)}r=i[n]}else"analyze"===s?a.build(e,t):"generate"===s&&(r=a.build(e,t)||"");return e.fnCall=o,r}}class Ui extends ui{constructor(e,t){super(t),this.jsFunc=e,this.layout=null,this.global=!0,this.once=!1}setLayout(e){return this.layout=e,this}getLayout(){return this.layout}call(e=null){return new Di(this,e)}setup(){return this.call()}}const Ii=[!1,!0],Oi=[0,1,2,3],Vi=[-1,-2],ki=[.5,1.5,1/3,1e-6,1e6,Math.PI,2*Math.PI,1/Math.PI,2/Math.PI,1/(2*Math.PI),Math.PI/2],Gi=new Map;for(const e of Ii)Gi.set(e,new xi(e));const zi=new Map;for(const e of Oi)zi.set(e,new xi(e,"uint"));const $i=new Map([...zi].map(e=>new xi(e.value,"int")));for(const e of Vi)$i.set(e,new xi(e,"int"));const Wi=new Map([...$i].map(e=>new xi(e.value)));for(const e of ki)Wi.set(e,new xi(e));for(const e of ki)Wi.set(-e,new xi(-e));const Hi={bool:Gi,uint:zi,ints:$i,float:Wi},qi=new Map([...Gi,...Wi]),ji=(e,t)=>qi.has(e)?qi.get(e):!0===e.isNode?e:new xi(e,t),Xi=function(e,t=null){return(...r)=>{for(const t of r)if(void 0===t)return o(`TSL: Invalid parameter for the type "${e}".`,new Ps),new xi(0,e);if((0===r.length||!["bool","float","int","uint"].includes(e)&&r.every(e=>{const t=typeof e;return"object"!==t&&"function"!==t}))&&(r=[js(e,...r)]),1===r.length&&null!==t&&t.has(r[0]))return Ji(t.get(r[0]));if(1===r.length){const t=ji(r[0],e);return t.nodeType===e?Ji(t):Ji(new di(t,e))}const s=r.map(e=>ji(e));return Ji(new hi(s,e))}},Ki=e=>"object"==typeof e&&null!==e?e.value:e,Yi=e=>null!=e?e.nodeType||e.convertTo||("string"==typeof e?e:null):null;function Qi(e,t){return new Ui(e,t)}const Zi=(e,t=null)=>function(e,t=null){const r=qs(e);return"node"===r?e:null===t&&("float"===r||"boolean"===r)||r&&"shader"!==r&&"string"!==r?Zi(ji(e,t)):"shader"===r?e.isFn?e:un(e):e}(e,t),Ji=(e,t=null)=>Zi(e,t).toVarIntent(),en=(e,t=null)=>new Bi(e,t),tn=(e,t=null)=>new Fi(e,t),rn=(e,t=null,r=null,s=null)=>new Li(e,t,r,s),sn=(e,...t)=>new Pi(e,...t),nn=(e,t=null,r=null,s={})=>new Li(e,t,r,{...s,intent:!0});let an=0;class on extends ui{constructor(e,t=null){super();let r=null;null!==t&&("object"==typeof t?r=t.return:("string"==typeof t?r=t:o("TSL: Invalid layout type.",new Ps),t=null)),this.shaderNode=new Qi(e,r),null!==t&&this.setLayout(t),this.isFn=!0}setLayout(e){const t=this.shaderNode.nodeType;if("object"!=typeof e.inputs){const r={name:"fn"+an++,type:t,inputs:[]};for(const t in e)"return"!==t&&r.inputs.push({name:t,type:e[t]});e=r}return this.shaderNode.setLayout(e),this}getNodeType(e){return this.shaderNode.getNodeType(e)||"float"}call(...e){const t=this.shaderNode.call(e);return"void"===this.shaderNode.nodeType&&t.toStack(),t.toVarIntent()}once(e=null){return this.shaderNode.once=!0,this.shaderNode.subBuilds=e,this}generate(e){const t=this.getNodeType(e);return o('TSL: "Fn()" was declared but not invoked. 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t=e.value;e.traverse(e=>{!0===e.isConstNode&&(t=e.value)}),e=t}return new Ta(e,r)};class va extends ci{static get type(){return"ArrayNode"}constructor(e,t,r=null){super(e),this.count=t,this.values=r,this.isArrayNode=!0}getArrayCount(){return this.count}getNodeType(e){return null===this.nodeType?this.values[0].getNodeType(e):this.nodeType}getElementType(e){return this.getNodeType(e)}getMemberType(e,t){return null===this.nodeType?this.values[0].getMemberType(e,t):super.getMemberType(e,t)}generate(e){const t=this.getNodeType(e);return e.generateArray(t,this.count,this.values)}}const Na=(...e)=>{let t;if(1===e.length){const r=e[0];t=new va(null,r.length,r)}else{const r=e[0],s=e[1];t=new va(r,s)}return Zi(t)};Ni("toArray",(e,t)=>Na(Array(t).fill(e)));class Sa extends ci{static get type(){return"AssignNode"}constructor(e,t){super(),this.targetNode=e,this.sourceNode=t,this.isAssignNode=!0}hasDependencies(){return!1}getNodeType(e,t){return"void"!==t?this.targetNode.getNodeType(e):"void"}needsSplitAssign(e){const{targetNode:t}=this;if(!1===e.isAvailable("swizzleAssign")&&t.isSplitNode&&t.components.length>1){const r=e.getTypeLength(t.node.getNodeType(e));return ni.join("").slice(0,r)!==t.components}return!1}setup(e){const{targetNode:t,sourceNode:r}=this,s=t.getScope();e.getDataFromNode(s).assign=!0;const i=e.getNodeProperties(this);i.sourceNode=r,i.targetNode=t.context({assign:!0})}generate(e,t){const{targetNode:r,sourceNode:s}=e.getNodeProperties(this),i=this.needsSplitAssign(e),n=r.build(e),a=r.getNodeType(e),o=s.build(e,a),u=s.getNodeType(e),l=e.getDataFromNode(this);let d;if(!0===l.initialized)"void"!==t&&(d=n);else if(i){const s=e.getVarFromNode(this,null,a),i=e.getPropertyName(s);e.addLineFlowCode(`${i} = ${o}`,this);const u=r.node,l=u.node.context({assign:!0}).build(e);for(let t=0;t<u.components.length;t++){const r=u.components[t];e.addLineFlowCode(`${l}.${r} = ${i}[ ${t} ]`,this)}"void"!==t&&(d=n)}else d=`${n} = ${o}`,"void"!==t&&"void"!==u||(e.addLineFlowCode(d,this),"void"!==t&&(d=n));return l.initialized=!0,e.format(d,a,t)}}const Ra=rn(Sa).setParameterLength(2);Ni("assign",Ra);class Ea extends ci{static get type(){return"FunctionCallNode"}constructor(e=null,t={}){super(),this.functionNode=e,this.parameters=t}setParameters(e){return this.parameters=e,this}getParameters(){return this.parameters}getNodeType(e){return this.functionNode.getNodeType(e)}getMemberType(e,t){return this.functionNode.getMemberType(e,t)}generate(e){const t=[],r=this.functionNode,s=r.getInputs(e),i=this.parameters,n=(t,r)=>{const s=r.type;let i;return i="pointer"===s?"&"+t.build(e):t.build(e,s),i};if(Array.isArray(i)){if(i.length>s.length)o("TSL: The number of provided parameters exceeds the expected number of inputs in 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r=this.op,s=this.aNode,i=this.bNode,n=s.getNodeType(e),a=i?i.getNodeType(e):null;if("void"===n||"void"===a)return t||"void";if("%"===r)return n;if("~"===r||"&"===r||"|"===r||"^"===r||">>"===r||"<<"===r)return e.getIntegerType(n);if("!"===r||"&&"===r||"||"===r||"^^"===r)return"bool";if("=="===r||"!="===r||"<"===r||">"===r||"<="===r||">="===r){const t=Math.max(e.getTypeLength(n),e.getTypeLength(a));return t>1?`bvec${t}`:"bool"}if(e.isMatrix(n)){if("float"===a)return n;if(e.isVector(a))return e.getVectorFromMatrix(n);if(e.isMatrix(a))return n}else if(e.isMatrix(a)){if("float"===n)return a;if(e.isVector(n))return e.getVectorFromMatrix(a)}return e.getTypeLength(a)>e.getTypeLength(n)?a:n}generate(e,t){const r=this.op,{aNode:s,bNode:i}=this,n=this.getNodeType(e,t);let a=null,o=null;"void"!==n?(a=s.getNodeType(e),o=i?i.getNodeType(e):null,"<"===r||">"===r||"<="===r||">="===r||"=="===r||"!="===r?e.isVector(a)?o=a:e.isVector(o)?a=o:a!==o&&(a=o="float"):">>"===r||"<<"===r?(a=n,o=e.changeComponentType(o,"uint")):"%"===r?(a=n,o=e.isInteger(a)&&e.isInteger(o)?o:a):e.isMatrix(a)?"float"===o?o="float":e.isVector(o)?o=e.getVectorFromMatrix(a):e.isMatrix(o)||(a=o=n):a=e.isMatrix(o)?"float"===a?"float":e.isVector(a)?e.getVectorFromMatrix(o):o=n:o=n):a=o=n;const u=s.build(e,a),l=i?i.build(e,o):null,d=e.getFunctionOperator(r);if("void"!==t){const s=e.renderer.coordinateSystem===c;if("=="===r||"!="===r||"<"===r||">"===r||"<="===r||">="===r)return s&&e.isVector(a)?e.format(`${this.getOperatorMethod(e,t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} ${r} ${l} )`,n,t);if("%"===r)return e.isInteger(o)?e.format(`( ${u} % ${l} )`,n,t):e.format(`${this.getOperatorMethod(e,n)}( ${u}, ${l} )`,n,t);if("!"===r||"~"===r)return e.format(`(${r}${u})`,a,t);if(d)return e.format(`${d}( ${u}, ${l} )`,n,t);if(e.isMatrix(a)&&"float"===o)return e.format(`( ${l} ${r} ${u} )`,n,t);if("float"===a&&e.isMatrix(o))return e.format(`${u} ${r} ${l}`,n,t);{let i=`( ${u} ${r} ${l} )`;return!s&&"bool"===n&&e.isVector(a)&&e.isVector(o)&&(i=`all${i}`),e.format(i,n,t)}}if("void"!==a)return d?e.format(`${d}( ${u}, ${l} )`,n,t):e.isMatrix(a)&&"float"===o?e.format(`${l} ${r} ${u}`,n,t):e.format(`${u} ${r} ${l}`,n,t)}serialize(e){super.serialize(e),e.op=this.op}deserialize(e){super.deserialize(e),this.op=e.op}}const 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t=mn(e).toConst();return e.addAssign(1),t}),eo=un(([e])=>{const t=mn(e).toConst();return e.subAssign(1),t});Ni("add",Ma),Ni("sub",Ba),Ni("mul",Fa),Ni("div",La),Ni("mod",Pa),Ni("equal",Da),Ni("notEqual",Ua),Ni("lessThan",Ia),Ni("greaterThan",Oa),Ni("lessThanEqual",Va),Ni("greaterThanEqual",ka),Ni("and",Ga),Ni("or",za),Ni("not",$a),Ni("xor",Wa),Ni("bitAnd",Ha),Ni("bitNot",qa),Ni("bitOr",ja),Ni("bitXor",Xa),Ni("shiftLeft",Ka),Ni("shiftRight",Ya),Ni("incrementBefore",Qa),Ni("decrementBefore",Za),Ni("increment",Ja),Ni("decrement",eo);const to=(e,t)=>(d('TSL: "modInt()" is deprecated. Use "mod( int( ... ) )" instead.',new Ps),Pa(mn(e),mn(t)));Ni("modInt",to);class ro extends ci{static get type(){return"MathNode"}constructor(e,t,r=null,s=null){if(super(),(e===ro.MAX||e===ro.MIN)&&arguments.length>3){let i=new ro(e,t,r);for(let t=2;t<arguments.length-1;t++)i=new ro(e,i,arguments[t]);t=i,r=arguments[arguments.length-1],s=null}this.method=e,this.aNode=t,this.bNode=r,this.cNode=s,this.isMathNode=!0}getInputType(e){const t=this.aNode.getNodeType(e),r=this.bNode?this.bNode.getNodeType(e):null,s=this.cNode?this.cNode.getNodeType(e):null,i=e.isMatrix(t)?0:e.getTypeLength(t),n=e.isMatrix(r)?0:e.getTypeLength(r),a=e.isMatrix(s)?0:e.getTypeLength(s);return i>n&&i>a?t:n>a?r:a>i?s:t}getNodeType(e){const t=this.method;return t===ro.LENGTH||t===ro.DISTANCE||t===ro.DOT?"float":t===ro.CROSS?"vec3":t===ro.ALL||t===ro.ANY?"bool":t===ro.EQUALS?e.changeComponentType(this.aNode.getNodeType(e),"bool"):this.getInputType(e)}setup(e){const{aNode:t,bNode:r,method:s}=this;let i=null;if(s===ro.ONE_MINUS)i=Ba(1,t);else if(s===ro.RECIPROCAL)i=La(1,t);else if(s===ro.DIFFERENCE)i=Mo(Ba(t,r));else if(s===ro.TRANSFORM_DIRECTION){let s=t,n=r;e.isMatrix(s.getNodeType(e))?n=En(vn(n),0):s=En(vn(s),0);const a=Fa(s,n).xyz;i=vo(a)}return null!==i?i:super.setup(e)}generate(e,t){if(e.getNodeProperties(this).outputNode)return super.generate(e,t);let r=this.method;const s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,a=this.bNode,o=this.cNode,u=e.renderer.coordinateSystem;if(r===ro.NEGATE)return e.format("( - "+n.build(e,i)+" )",s,t);{const l=[];return r===ro.CROSS?l.push(n.build(e,s),a.build(e,s)):u===c&&r===ro.STEP?l.push(n.build(e,1===e.getTypeLength(n.getNodeType(e))?"float":i),a.build(e,i)):u!==c||r!==ro.MIN&&r!==ro.MAX?r===ro.REFRACT?l.push(n.build(e,i),a.build(e,i),o.build(e,"float")):r===ro.MIX?l.push(n.build(e,i),a.build(e,i),o.build(e,1===e.getTypeLength(o.getNodeType(e))?"float":i)):(u===h&&r===ro.ATAN&&null!==a&&(r="atan2"),"fragment"===e.shaderStage||r!==ro.DFDX&&r!==ro.DFDY||(d(`TSL: '${r}' is not supported in the ${e.shaderStage} stage.`,this.stackTrace),r="/*"+r+"*/"),l.push(n.build(e,i)),null!==a&&l.push(a.build(e,i)),null!==o&&l.push(o.build(e,i))):l.push(n.build(e,i),a.build(e,1===e.getTypeLength(a.getNodeType(e))?"float":i)),e.format(`${e.getMethod(r,s)}( ${l.join(", ")} )`,s,t)}}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}ro.ALL="all",ro.ANY="any",ro.RADIANS="radians",ro.DEGREES="degrees",ro.EXP="exp",ro.EXP2="exp2",ro.LOG="log",ro.LOG2="log2",ro.SQRT="sqrt",ro.INVERSE_SQRT="inversesqrt",ro.FLOOR="floor",ro.CEIL="ceil",ro.NORMALIZE="normalize",ro.FRACT="fract",ro.SIN="sin",ro.COS="cos",ro.TAN="tan",ro.ASIN="asin",ro.ACOS="acos",ro.ATAN="atan",ro.ABS="abs",ro.SIGN="sign",ro.LENGTH="length",ro.NEGATE="negate",ro.ONE_MINUS="oneMinus",ro.DFDX="dFdx",ro.DFDY="dFdy",ro.ROUND="round",ro.RECIPROCAL="reciprocal",ro.TRUNC="trunc",ro.FWIDTH="fwidth",ro.TRANSPOSE="transpose",ro.DETERMINANT="determinant",ro.INVERSE="inverse",ro.EQUALS="equals",ro.MIN="min",ro.MAX="max",ro.STEP="step",ro.REFLECT="reflect",ro.DISTANCE="distance",ro.DIFFERENCE="difference",ro.DOT="dot",ro.CROSS="cross",ro.POW="pow",ro.TRANSFORM_DIRECTION="transformDirection",ro.MIX="mix",ro.CLAMP="clamp",ro.REFRACT="refract",ro.SMOOTHSTEP="smoothstep",ro.FACEFORWARD="faceforward";const so=gn(1e-6),io=gn(1e6),no=gn(Math.PI),ao=gn(2*Math.PI),oo=gn(2*Math.PI),uo=gn(.5*Math.PI),lo=nn(ro,ro.ALL).setParameterLength(1),co=nn(ro,ro.ANY).setParameterLength(1),ho=nn(ro,ro.RADIANS).setParameterLength(1),po=nn(ro,ro.DEGREES).setParameterLength(1),go=nn(ro,ro.EXP).setParameterLength(1),mo=nn(ro,ro.EXP2).setParameterLength(1),fo=nn(ro,ro.LOG).setParameterLength(1),yo=nn(ro,ro.LOG2).setParameterLength(1),bo=nn(ro,ro.SQRT).setParameterLength(1),xo=nn(ro,ro.INVERSE_SQRT).setParameterLength(1),To=nn(ro,ro.FLOOR).setParameterLength(1),_o=nn(ro,ro.CEIL).setParameterLength(1),vo=nn(ro,ro.NORMALIZE).setParameterLength(1),No=nn(ro,ro.FRACT).setParameterLength(1),So=nn(ro,ro.SIN).setParameterLength(1),Ro=nn(ro,ro.COS).setParameterLength(1),Eo=nn(ro,ro.TAN).setParameterLength(1),Ao=nn(ro,ro.ASIN).setParameterLength(1),wo=nn(ro,ro.ACOS).setParameterLength(1),Co=nn(ro,ro.ATAN).setParameterLength(1,2),Mo=nn(ro,ro.ABS).setParameterLength(1),Bo=nn(ro,ro.SIGN).setParameterLength(1),Fo=nn(ro,ro.LENGTH).setParameterLength(1),Lo=nn(ro,ro.NEGATE).setParameterLength(1),Po=nn(ro,ro.ONE_MINUS).setParameterLength(1),Do=nn(ro,ro.DFDX).setParameterLength(1),Uo=nn(ro,ro.DFDY).setParameterLength(1),Io=nn(ro,ro.ROUND).setParameterLength(1),Oo=nn(ro,ro.RECIPROCAL).setParameterLength(1),Vo=nn(ro,ro.TRUNC).setParameterLength(1),ko=nn(ro,ro.FWIDTH).setParameterLength(1),Go=nn(ro,ro.TRANSPOSE).setParameterLength(1),zo=nn(ro,ro.DETERMINANT).setParameterLength(1),$o=nn(ro,ro.INVERSE).setParameterLength(1),Wo=nn(ro,ro.MIN).setParameterLength(2,1/0),Ho=nn(ro,ro.MAX).setParameterLength(2,1/0),qo=nn(ro,ro.STEP).setParameterLength(2),jo=nn(ro,ro.REFLECT).setParameterLength(2),Xo=nn(ro,ro.DISTANCE).setParameterLength(2),Ko=nn(ro,ro.DIFFERENCE).setParameterLength(2),Yo=nn(ro,ro.DOT).setParameterLength(2),Qo=nn(ro,ro.CROSS).setParameterLength(2),Zo=nn(ro,ro.POW).setParameterLength(2),Jo=e=>Fa(e,e),eu=e=>Fa(e,e,e),tu=e=>Fa(e,e,e,e),ru=nn(ro,ro.TRANSFORM_DIRECTION).setParameterLength(2),su=e=>Fa(Bo(e),Zo(Mo(e),1/3)),iu=e=>Yo(e,e),nu=nn(ro,ro.MIX).setParameterLength(3),au=(e,t=0,r=1)=>Zi(new ro(ro.CLAMP,Zi(e),Zi(t),Zi(r))),ou=e=>au(e),uu=nn(ro,ro.REFRACT).setParameterLength(3),lu=nn(ro,ro.SMOOTHSTEP).setParameterLength(3),du=nn(ro,ro.FACEFORWARD).setParameterLength(3),cu=un(([e])=>{const t=Yo(e.xy,bn(12.9898,78.233)),r=Pa(t,no);return No(So(r).mul(43758.5453))}),hu=(e,t,r)=>nu(t,r,e),pu=(e,t,r)=>lu(t,r,e),gu=(e,t)=>qo(t,e),mu=du,fu=xo;Ni("all",lo),Ni("any",co),Ni("radians",ho),Ni("degrees",po),Ni("exp",go),Ni("exp2",mo),Ni("log",fo),Ni("log2",yo),Ni("sqrt",bo),Ni("inverseSqrt",xo),Ni("floor",To),Ni("ceil",_o),Ni("normalize",vo),Ni("fract",No),Ni("sin",So),Ni("cos",Ro),Ni("tan",Eo),Ni("asin",Ao),Ni("acos",wo),Ni("atan",Co),Ni("abs",Mo),Ni("sign",Bo),Ni("length",Fo),Ni("lengthSq",iu),Ni("negate",Lo),Ni("oneMinus",Po),Ni("dFdx",Do),Ni("dFdy",Uo),Ni("round",Io),Ni("reciprocal",Oo),Ni("trunc",Vo),Ni("fwidth",ko),Ni("min",Wo),Ni("max",Ho),Ni("step",gu),Ni("reflect",jo),Ni("distance",Xo),Ni("dot",Yo),Ni("cross",Qo),Ni("pow",Zo),Ni("pow2",Jo),Ni("pow3",eu),Ni("pow4",tu),Ni("transformDirection",ru),Ni("mix",hu),Ni("clamp",au),Ni("refract",uu),Ni("smoothstep",pu),Ni("faceForward",du),Ni("difference",Ko),Ni("saturate",ou),Ni("cbrt",su),Ni("transpose",Go),Ni("determinant",zo),Ni("inverse",$o),Ni("rand",cu);class yu extends ui{static get type(){return"ConditionalNode"}constructor(e,t,r=null){super(),this.condNode=e,this.ifNode=t,this.elseNode=r}getNodeType(e){const{ifNode:t,elseNode:r}=e.getNodeProperties(this);if(void 0===t)return e.flowBuildStage(this,"setup"),this.getNodeType(e);const s=t.getNodeType(e);if(null!==r){const t=r.getNodeType(e);if(e.getTypeLength(t)>e.getTypeLength(s))return t}return s}setup(e){const t=this.condNode,r=this.ifNode.isolate(),s=this.elseNode?this.elseNode.isolate():null,i=e.context.nodeBlock;e.getDataFromNode(r).parentNodeBlock=i,null!==s&&(e.getDataFromNode(s).parentNodeBlock=i);const n=e.context.uniformFlow,a=e.getNodeProperties(this);a.condNode=t,a.ifNode=n?r:r.context({nodeBlock:r}),a.elseNode=s?n?s:s.context({nodeBlock:s}):null}generate(e,t){const r=this.getNodeType(e),s=e.getDataFromNode(this);if(void 0!==s.nodeProperty)return s.nodeProperty;const{condNode:i,ifNode:n,elseNode:a}=e.getNodeProperties(this),o=e.currentFunctionNode,u="void"!==t,l=u?Un(r).build(e):"";s.nodeProperty=l;const c=i.build(e,"bool");if(e.context.uniformFlow&&null!==a){const s=n.build(e,r),i=a.build(e,r),o=e.getTernary(c,s,i);return e.format(o,r,t)}e.addFlowCode(`\n${e.tab}if ( ${c} ) {\n\n`).addFlowTab();let h=n.build(e,r);if(h&&(u?h=l+" = "+h+";":(h="return "+h+";",null===o&&(d("TSL: Return statement used in an inline 'Fn()'. Define a layout struct to allow return values.",this.stackTrace),h="// "+h))),e.removeFlowTab().addFlowCode(e.tab+"\t"+h+"\n\n"+e.tab+"}"),null!==a){e.addFlowCode(" else {\n\n").addFlowTab();let t=a.build(e,r);t&&(u?t=l+" = "+t+";":(t="return "+t+";",null===o&&(d("TSL: Return statement used in an inline 'Fn()'. Define a layout struct to allow return values.",this.stackTrace),t="// "+t))),e.removeFlowTab().addFlowCode(e.tab+"\t"+t+"\n\n"+e.tab+"}\n\n")}else e.addFlowCode("\n\n");return e.format(l,r,t)}}const bu=rn(yu).setParameterLength(2,3);Ni("select",bu);class xu extends ui{static get type(){return"ContextNode"}constructor(e=null,t={}){super(),this.isContextNode=!0,this.node=e,this.value=t}getScope(){return this.node.getScope()}getNodeType(e){return this.node.getNodeType(e)}getFlowContextData(){const e=[];return this.traverse(t=>{!0===t.isContextNode&&e.push(t.value)}),Object.assign({},...e)}getMemberType(e,t){return this.node.getMemberType(e,t)}analyze(e){const t=e.addContext(this.value);this.node.build(e),e.setContext(t)}setup(e){const t=e.addContext(this.value);this.node.build(e),e.setContext(t)}generate(e,t){const r=e.addContext(this.value),s=this.node.build(e,t);return e.setContext(r),s}}const Tu=(e=null,t={})=>{let r=e;return null!==r&&!0===r.isNode||(t=r||t,r=null),new xu(r,t)},_u=e=>Tu(e,{uniformFlow:!0}),vu=(e,t)=>Tu(e,{nodeName:t});function Nu(e,t,r=null){return Tu(r,{getShadow:({light:r,shadowColorNode:s})=>t===r?s.mul(e):s})}function Su(e,t=null){return Tu(t,{getAO:(t,{material:r})=>!0===r.transparent?t:null!==t?t.mul(e):e})}function Ru(e,t){return d('TSL: "label()" has been deprecated. Use "setName()" instead.'),vu(e,t)}Ni("context",Tu),Ni("label",Ru),Ni("uniformFlow",_u),Ni("setName",vu),Ni("builtinShadowContext",(e,t,r)=>Nu(t,r,e)),Ni("builtinAOContext",(e,t)=>Su(t,e));class Eu extends ui{static get type(){return"VarNode"}constructor(e,t=null,r=!1){super(),this.node=e,this.name=t,this.global=!0,this.isVarNode=!0,this.readOnly=r,this.parents=!0,this.intent=!1}setIntent(e){return this.intent=e,this}isIntent(e){return!0!==e.getDataFromNode(this).forceDeclaration&&this.intent}getIntent(){return this.intent}getMemberType(e,t){return this.node.getMemberType(e,t)}getElementType(e){return this.node.getElementType(e)}getNodeType(e){return this.node.getNodeType(e)}getArrayCount(e){return this.node.getArrayCount(e)}isAssign(e){return e.getDataFromNode(this).assign}build(...e){const t=e[0];if(!1===this._hasStack(t)&&"setup"===t.buildStage&&(t.context.nodeLoop||t.context.nodeBlock)){let e=!1;if(this.node.isShaderCallNodeInternal&&null===this.node.shaderNode.getLayout()&&t.fnCall&&t.fnCall.shaderNode){if(t.getDataFromNode(this.node.shaderNode).hasLoop){t.getDataFromNode(this).forceDeclaration=!0,e=!0}}const r=t.getBaseStack();e?r.addToStackBefore(this):r.addToStack(this)}return this.isIntent(t)&&!0!==this.isAssign(t)?this.node.build(...e):super.build(...e)}generate(e){const{node:t,name:r,readOnly:s}=this,{renderer:i}=e,n=!0===i.backend.isWebGPUBackend;let a=!1,u=!1;s&&(a=e.isDeterministic(t),u=n?s:a);const l=this.getNodeType(e);if("void"==l){!0!==this.isIntent(e)&&o('TSL: ".toVar()" can not be used with void type.',this.stackTrace);return t.build(e)}const d=e.getVectorType(l),c=t.build(e,d),h=e.getVarFromNode(this,r,d,void 0,u),p=e.getPropertyName(h);let g=p;if(u)if(n)g=a?`const ${p}`:`let ${p}`;else{const r=t.getArrayCount(e);g=`const ${e.getVar(h.type,p,r)}`}return e.addLineFlowCode(`${g} = ${c}`,this),p}_hasStack(e){return void 0!==e.getDataFromNode(this).stack}}const Au=rn(Eu),wu=(e,t=null)=>Au(e,t).toStack(),Cu=(e,t=null)=>Au(e,t,!0).toStack(),Mu=e=>Au(e).setIntent(!0).toStack();Ni("toVar",wu),Ni("toConst",Cu),Ni("toVarIntent",Mu);class Bu extends ui{static get type(){return"SubBuild"}constructor(e,t,r=null){super(r),this.node=e,this.name=t,this.isSubBuildNode=!0}getNodeType(e){if(null!==this.nodeType)return this.nodeType;e.addSubBuild(this.name);const t=this.node.getNodeType(e);return e.removeSubBuild(),t}build(e,...t){e.addSubBuild(this.name);const r=this.node.build(e,...t);return e.removeSubBuild(),r}}const Fu=(e,t,r=null)=>Zi(new Bu(Zi(e),t,r));class Lu extends ui{static get type(){return"VaryingNode"}constructor(e,t=null){super(),this.node=Fu(e,"VERTEX"),this.name=t,this.isVaryingNode=!0,this.interpolationType=null,this.interpolationSampling=null,this.global=!0}setInterpolation(e,t=null){return this.interpolationType=e,this.interpolationSampling=t,this}getHash(e){return this.name||super.getHash(e)}getNodeType(e){return this.node.getNodeType(e)}setupVarying(e){const t=e.getNodeProperties(this);let r=t.varying;if(void 0===r){const s=this.name,i=this.getNodeType(e),n=this.interpolationType,a=this.interpolationSampling;t.varying=r=e.getVaryingFromNode(this,s,i,n,a),t.node=Fu(this.node,"VERTEX")}return r.needsInterpolation||(r.needsInterpolation="fragment"===e.shaderStage),r}setup(e){this.setupVarying(e),e.flowNodeFromShaderStage(Zs.VERTEX,this.node)}analyze(e){this.setupVarying(e),e.flowNodeFromShaderStage(Zs.VERTEX,this.node)}generate(e){const t=e.getSubBuildProperty("property",e.currentStack),r=e.getNodeProperties(this),s=this.setupVarying(e);if(void 0===r[t]){const i=this.getNodeType(e),n=e.getPropertyName(s,Zs.VERTEX);e.flowNodeFromShaderStage(Zs.VERTEX,r.node,i,n),r[t]=n}return e.getPropertyName(s)}}const Pu=rn(Lu).setParameterLength(1,2),Du=e=>Pu(e);Ni("toVarying",Pu),Ni("toVertexStage",Du);const Uu=un(([e])=>{const t=e.mul(.9478672986).add(.0521327014).pow(2.4),r=e.mul(.0773993808),s=e.lessThanEqual(.04045);return nu(t,r,s)}).setLayout({name:"sRGBTransferEOTF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Iu=un(([e])=>{const t=e.pow(.41666).mul(1.055).sub(.055),r=e.mul(12.92),s=e.lessThanEqual(.0031308);return nu(t,r,s)}).setLayout({name:"sRGBTransferOETF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Ou="WorkingColorSpace";class Vu extends ci{static get type(){return"ColorSpaceNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this.source=t,this.target=r}resolveColorSpace(e,t){return t===Ou?p.workingColorSpace:"OutputColorSpace"===t?e.context.outputColorSpace||e.renderer.outputColorSpace:t}setup(e){const{colorNode:t}=this,r=this.resolveColorSpace(e,this.source),s=this.resolveColorSpace(e,this.target);let i=t;return!1!==p.enabled&&r!==s&&r&&s?(p.getTransfer(r)===g&&(i=En(Uu(i.rgb),i.a)),p.getPrimaries(r)!==p.getPrimaries(s)&&(i=En(Bn(p._getMatrix(new n,r,s)).mul(i.rgb),i.a)),p.getTransfer(s)===g&&(i=En(Iu(i.rgb),i.a)),i):i}}const ku=(e,t)=>Zi(new Vu(Zi(e),Ou,t)),Gu=(e,t)=>Zi(new Vu(Zi(e),t,Ou));Ni("workingToColorSpace",ku),Ni("colorSpaceToWorking",Gu);let zu=class extends li{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}getNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,r,s)}};class $u extends ui{static get type(){return"ReferenceBaseNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.updateType=Js.OBJECT}setGroup(e){return this.group=e,this}element(e){return new zu(this,Zi(e))}setNodeType(e){const t=_a(null,e);null!==this.group&&t.setGroup(this.group),this.node=t}getNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}class Wu extends $u{static get type(){return"RendererReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.renderer=r,this.setGroup(ba)}updateReference(e){return this.reference=null!==this.renderer?this.renderer:e.renderer,this.reference}}const Hu=(e,t,r=null)=>new Wu(e,t,r);class qu extends ci{static get type(){return"ToneMappingNode"}constructor(e,t=Xu,r=null){super("vec3"),this._toneMapping=e,this.exposureNode=t,this.colorNode=r}customCacheKey(){return Os(this._toneMapping)}setToneMapping(e){return this._toneMapping=e,this}getToneMapping(){return this._toneMapping}setup(e){const t=this.colorNode||e.context.color,r=this._toneMapping;if(r===m)return t;let s=null;const i=e.renderer.library.getToneMappingFunction(r);return null!==i?s=En(i(t.rgb,this.exposureNode),t.a):(o("ToneMappingNode: Unsupported Tone Mapping configuration.",r),s=t),s}}const ju=(e,t,r)=>Zi(new qu(e,Zi(t),Zi(r))),Xu=Hu("toneMappingExposure","float");Ni("toneMapping",(e,t,r)=>ju(t,r,e));const Ku=new WeakMap;function Yu(e,t){let r=Ku.get(e);return void 0===r&&(r=new b(e,t),Ku.set(e,r)),r}class Qu extends yi{static get type(){return"BufferAttributeNode"}constructor(e,t=null,r=0,s=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferStride=r,this.bufferOffset=s,this.usage=f,this.instanced=!1,this.attribute=null,this.global=!0,e&&!0===e.isBufferAttribute&&e.itemSize<=4&&(this.attribute=e,this.usage=e.usage,this.instanced=e.isInstancedBufferAttribute)}getHash(e){if(0===this.bufferStride&&0===this.bufferOffset){let t=e.globalCache.getData(this.value);return void 0===t&&(t={node:this},e.globalCache.setData(this.value,t)),t.node.uuid}return this.uuid}getNodeType(e){return null===this.bufferType&&(this.bufferType=e.getTypeFromAttribute(this.attribute)),this.bufferType}setup(e){if(null!==this.attribute)return;const t=this.getNodeType(e),r=e.getTypeLength(t),s=this.value,i=this.bufferStride||r,n=this.bufferOffset;let a;a=!0===s.isInterleavedBuffer?s:!0===s.isBufferAttribute?Yu(s.array,i):Yu(s,i);const o=new y(a,r,n);a.setUsage(this.usage),this.attribute=o,this.attribute.isInstancedBufferAttribute=this.instanced}generate(e){const t=this.getNodeType(e),r=e.getBufferAttributeFromNode(this,t),s=e.getPropertyName(r);let i=null;if("vertex"===e.shaderStage||"compute"===e.shaderStage)this.name=s,i=s;else{i=Pu(this).build(e,t)}return i}getInputType(){return"bufferAttribute"}setUsage(e){return this.usage=e,this.attribute&&!0===this.attribute.isBufferAttribute&&(this.attribute.usage=e),this}setInstanced(e){return this.instanced=e,this}}function Zu(e,t=null,r=0,s=0,i=f,n=!1){return"mat3"===t||null===t&&9===e.itemSize?Bn(new Qu(e,"vec3",9,0).setUsage(i).setInstanced(n),new Qu(e,"vec3",9,3).setUsage(i).setInstanced(n),new Qu(e,"vec3",9,6).setUsage(i).setInstanced(n)):"mat4"===t||null===t&&16===e.itemSize?Fn(new Qu(e,"vec4",16,0).setUsage(i).setInstanced(n),new Qu(e,"vec4",16,4).setUsage(i).setInstanced(n),new Qu(e,"vec4",16,8).setUsage(i).setInstanced(n),new Qu(e,"vec4",16,12).setUsage(i).setInstanced(n)):new Qu(e,t,r,s).setUsage(i)}const Ju=(e,t=null,r=0,s=0)=>Zu(e,t,r,s),el=(e,t=null,r=0,s=0)=>Zu(e,t,r,s,f,!0),tl=(e,t=null,r=0,s=0)=>Zu(e,t,r,s,x,!0);Ni("toAttribute",e=>Ju(e.value));class rl extends ui{static get type(){return"ComputeNode"}constructor(e,t){super("void"),this.isComputeNode=!0,this.computeNode=e,this.workgroupSize=t,this.count=null,this.version=1,this.name="",this.updateBeforeType=Js.OBJECT,this.onInitFunction=null}setCount(e){return this.count=e,this}getCount(){return this.count}dispose(){this.dispatchEvent({type:"dispose"})}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Ps),this.setName(e)}onInit(e){return this.onInitFunction=e,this}updateBefore({renderer:e}){e.compute(this)}setup(e){const t=this.computeNode.build(e);if(t){e.getNodeProperties(this).outputComputeNode=t.outputNode,t.outputNode=null}return t}generate(e,t){const{shaderStage:r}=e;if("compute"===r){const t=this.computeNode.build(e,"void");""!==t&&e.addLineFlowCode(t,this)}else{const r=e.getNodeProperties(this).outputComputeNode;if(r)return r.build(e,t)}}}const sl=(e,t=[64])=>{(0===t.length||t.length>3)&&o("TSL: compute() workgroupSize must have 1, 2, or 3 elements",new Ps);for(let e=0;e<t.length;e++){const r=t[e];("number"!=typeof r||r<=0||!Number.isInteger(r))&&o(`TSL: compute() workgroupSize element at index [ ${e} ] must be a positive integer`,new Ps)}for(;t.length<3;)t.push(1);return Zi(new rl(Zi(e),t))},il=(e,t,r)=>sl(e,r).setCount(t);Ni("compute",il),Ni("computeKernel",sl);class nl extends ui{static get type(){return"IsolateNode"}constructor(e,t=!0){super(),this.node=e,this.parent=t,this.isIsolateNode=!0}getNodeType(e){const t=e.getCache(),r=e.getCacheFromNode(this,this.parent);e.setCache(r);const s=this.node.getNodeType(e);return e.setCache(t),s}build(e,...t){const r=e.getCache(),s=e.getCacheFromNode(this,this.parent);e.setCache(s);const i=this.node.build(e,...t);return e.setCache(r),i}setParent(e){return this.parent=e,this}getParent(){return this.parent}}const al=e=>new nl(Zi(e));function ol(e,t=!0){return d('TSL: "cache()" has been deprecated. Use "isolate()" instead.'),al(e).setParent(t)}Ni("cache",ol),Ni("isolate",al);class ul extends ui{static get type(){return"BypassNode"}constructor(e,t){super(),this.isBypassNode=!0,this.outputNode=e,this.callNode=t}getNodeType(e){return this.outputNode.getNodeType(e)}generate(e){const t=this.callNode.build(e,"void");return""!==t&&e.addLineFlowCode(t,this),this.outputNode.build(e)}}const ll=rn(ul).setParameterLength(2);Ni("bypass",ll);class dl extends ui{static get type(){return"RemapNode"}constructor(e,t,r,s=gn(0),i=gn(1)){super(),this.node=e,this.inLowNode=t,this.inHighNode=r,this.outLowNode=s,this.outHighNode=i,this.doClamp=!0}setup(){const{node:e,inLowNode:t,inHighNode:r,outLowNode:s,outHighNode:i,doClamp:n}=this;let a=e.sub(t).div(r.sub(t));return!0===n&&(a=a.clamp()),a.mul(i.sub(s)).add(s)}}const cl=rn(dl,null,null,{doClamp:!1}).setParameterLength(3,5),hl=rn(dl).setParameterLength(3,5);Ni("remap",cl),Ni("remapClamp",hl);class pl extends ui{static get type(){return"ExpressionNode"}constructor(e="",t="void"){super(t),this.snippet=e}generate(e,t){const r=this.getNodeType(e),s=this.snippet;if("void"!==r)return e.format(s,r,t);e.addLineFlowCode(s,this)}}const gl=rn(pl).setParameterLength(1,2),ml=e=>(e?bu(e,gl("discard")):gl("discard")).toStack();Ni("discard",ml);class fl extends ci{static get type(){return"RenderOutputNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this._toneMapping=t,this.outputColorSpace=r,this.isRenderOutputNode=!0}setToneMapping(e){return this._toneMapping=e,this}getToneMapping(){return this._toneMapping}setup({context:e}){let t=this.colorNode||e.color;const r=(null!==this._toneMapping?this._toneMapping:e.toneMapping)||m,s=(null!==this.outputColorSpace?this.outputColorSpace:e.outputColorSpace)||T;return r!==m&&(t=t.toneMapping(r)),s!==T&&s!==p.workingColorSpace&&(t=t.workingToColorSpace(s)),t}}const yl=(e,t=null,r=null)=>Zi(new fl(Zi(e),t,r));Ni("renderOutput",yl);class bl extends ci{static get type(){return"DebugNode"}constructor(e,t=null){super(),this.node=e,this.callback=t}getNodeType(e){return this.node.getNodeType(e)}setup(e){return this.node.build(e)}analyze(e){return this.node.build(e)}generate(e){const t=this.callback,r=this.node.build(e);if(null!==t)t(e,r);else{const t="--- TSL debug - "+e.shaderStage+" shader ---",s="-".repeat(t.length);let i="";i+="// #"+t+"#\n",i+=e.flow.code.replace(/^\t/gm,"")+"\n",i+="/* ... */ "+r+" /* ... */\n",i+="// #"+s+"#\n",_(i)}return r}}const xl=(e,t=null)=>Zi(new bl(Zi(e),t)).toStack();Ni("debug",xl);class Tl{constructor(){this._renderer=null,this.currentFrame=null}get nodeFrame(){return this._renderer._nodes.nodeFrame}setRenderer(e){return this._renderer=e,this}getRenderer(){return this._renderer}init(){}begin(){}finish(){}inspect(){}computeAsync(){}beginCompute(){}finishCompute(){}beginRender(){}finishRender(){}copyTextureToTexture(){}copyFramebufferToTexture(){}}class _l extends ui{static get type(){return"InspectorNode"}constructor(e,t="",r=null){super(),this.node=e,this.name=t,this.callback=r,this.updateType=Js.FRAME,this.isInspectorNode=!0}getName(){return this.name||this.node.name}update(e){e.renderer.inspector.inspect(this)}getNodeType(e){return this.node.getNodeType(e)}setup(e){let t=this.node;return!0===e.context.inspector&&null!==this.callback&&(t=this.callback(t)),!0!==e.renderer.backend.isWebGPUBackend&&e.renderer.inspector.constructor!==Tl&&v('TSL: ".toInspector()" is only available with WebGPU.'),t}}function vl(e,t="",r=null){return(e=Zi(e)).before(new _l(e,t,r))}Ni("toInspector",vl);class Nl extends ui{static get type(){return"AttributeNode"}constructor(e,t=null){super(t),this.global=!0,this._attributeName=e}getHash(e){return this.getAttributeName(e)}getNodeType(e){let t=this.nodeType;if(null===t){const r=this.getAttributeName(e);if(e.hasGeometryAttribute(r)){const s=e.geometry.getAttribute(r);t=e.getTypeFromAttribute(s)}else t="float"}return t}setAttributeName(e){return this._attributeName=e,this}getAttributeName(){return this._attributeName}generate(e){const t=this.getAttributeName(e),r=this.getNodeType(e);if(!0===e.hasGeometryAttribute(t)){const s=e.geometry.getAttribute(t),i=e.getTypeFromAttribute(s),n=e.getAttribute(t,i);if("vertex"===e.shaderStage)return e.format(n.name,i,r);return Pu(this).build(e,r)}return d(`AttributeNode: Vertex attribute "${t}" not found on geometry.`),e.generateConst(r)}serialize(e){super.serialize(e),e.global=this.global,e._attributeName=this._attributeName}deserialize(e){super.deserialize(e),this.global=e.global,this._attributeName=e._attributeName}}const Sl=(e,t=null)=>new Nl(e,t),Rl=(e=0)=>Sl("uv"+(e>0?e:""),"vec2");class El extends ui{static get type(){return"TextureSizeNode"}constructor(e,t=null){super("uvec2"),this.isTextureSizeNode=!0,this.textureNode=e,this.levelNode=t}generate(e,t){const r=this.textureNode.build(e,"property"),s=null===this.levelNode?"0":this.levelNode.build(e,"int");return e.format(`${e.getMethod("textureDimensions")}( ${r}, ${s} )`,this.getNodeType(e),t)}}const Al=rn(El).setParameterLength(1,2);class wl extends Ta{static get type(){return"MaxMipLevelNode"}constructor(e){super(0),this._textureNode=e,this.updateType=Js.FRAME}get textureNode(){return this._textureNode}get texture(){return this._textureNode.value}update(){const e=this.texture,t=e.images,r=t&&t.length>0?t[0]&&t[0].image||t[0]:e.image;if(r&&void 0!==r.width){const{width:e,height:t}=r;this.value=Math.log2(Math.max(e,t))}}}const Cl=rn(wl).setParameterLength(1);class Ml extends Error{constructor(e,t=null){super(e),this.name="NodeError",this.stackTrace=t}}const Bl=new N;class Fl extends Ta{static get type(){return"TextureNode"}constructor(e=Bl,t=null,r=null,s=null){super(e),this.isTextureNode=!0,this.uvNode=t,this.levelNode=r,this.biasNode=s,this.compareNode=null,this.depthNode=null,this.gradNode=null,this.offsetNode=null,this.sampler=!0,this.updateMatrix=!1,this.updateType=Js.NONE,this.referenceNode=null,this._value=e,this._matrixUniform=null,this._flipYUniform=null,this.setUpdateMatrix(null===t)}set value(e){this.referenceNode?this.referenceNode.value=e:this._value=e}get value(){return this.referenceNode?this.referenceNode.value:this._value}getUniformHash(){return this.value.uuid}getNodeType(){return!0===this.value.isDepthTexture?"float":this.value.type===S?"uvec4":this.value.type===R?"ivec4":"vec4"}getInputType(){return"texture"}getDefaultUV(){return Rl(this.value.channel)}updateReference(){return this.value}getTransformedUV(e){return null===this._matrixUniform&&(this._matrixUniform=_a(this.value.matrix)),this._matrixUniform.mul(vn(e,1)).xy}setUpdateMatrix(e){return this.updateMatrix=e,this}setupUV(e,t){return e.isFlipY()&&(null===this._flipYUniform&&(this._flipYUniform=_a(!1)),t=t.toVar(),t=this.sampler?this._flipYUniform.select(t.flipY(),t):this._flipYUniform.select(t.setY(mn(Al(this,this.levelNode).y).sub(t.y).sub(1)),t)),t}setup(e){const t=e.getNodeProperties(this);t.referenceNode=this.referenceNode;const r=this.value;if(!r||!0!==r.isTexture)throw new Ml("THREE.TSL: `texture( value )` function expects a valid instance of THREE.Texture().",this.stackTrace);const s=un(()=>{let t=this.uvNode;return null!==t&&!0!==e.context.forceUVContext||!e.context.getUV||(t=e.context.getUV(this,e)),t||(t=this.getDefaultUV()),!0===this.updateMatrix&&(t=this.getTransformedUV(t)),t=this.setupUV(e,t),this.updateType=null!==this._matrixUniform||null!==this._flipYUniform?Js.OBJECT:Js.NONE,t})();let i=this.levelNode;null===i&&e.context.getTextureLevel&&(i=e.context.getTextureLevel(this));let n=null,a=null;null!==this.compareNode&&(e.renderer.hasCompatibility(E.TEXTURE_COMPARE)?n=this.compareNode:null===this.value.compareFunction||this.value.compareFunction===A?a=this.compareNode:(n=this.compareNode,v('TSL: Only "LessCompare" is supported for depth texture comparison fallback.'))),t.uvNode=s,t.levelNode=i,t.biasNode=this.biasNode,t.compareNode=n,t.compareStepNode=a,t.gradNode=this.gradNode,t.depthNode=this.depthNode,t.offsetNode=this.offsetNode}generateUV(e,t){return t.build(e,!0===this.sampler?"vec2":"ivec2")}generateOffset(e,t){return t.build(e,"ivec2")}generateSnippet(e,t,r,s,i,n,a,o,u){const l=this.value;let d;return d=i?e.generateTextureBias(l,t,r,i,n,u):o?e.generateTextureGrad(l,t,r,o,n,u):a?e.generateTextureCompare(l,t,r,a,n,u):!1===this.sampler?e.generateTextureLoad(l,t,r,s,n,u):s?e.generateTextureLevel(l,t,r,s,n,u):e.generateTexture(l,t,r,n,u),d}generate(e,t){const r=this.value,s=e.getNodeProperties(this),i=super.generate(e,"property");if(/^sampler/.test(t))return i+"_sampler";if(e.isReference(t))return i;{const n=e.getDataFromNode(this),a=this.getNodeType(e);let o=n.propertyName;if(void 0===o){const{uvNode:t,levelNode:r,biasNode:u,compareNode:l,compareStepNode:d,depthNode:c,gradNode:h,offsetNode:p}=s,g=this.generateUV(e,t),m=r?r.build(e,"float"):null,f=u?u.build(e,"float"):null,y=c?c.build(e,"int"):null,b=l?l.build(e,"float"):null,x=d?d.build(e,"float"):null,T=h?[h[0].build(e,"vec2"),h[1].build(e,"vec2")]:null,_=p?this.generateOffset(e,p):null,v=e.getVarFromNode(this);o=e.getPropertyName(v);let N=this.generateSnippet(e,i,g,m,f,y,b,T,_);null!==x&&(N=qo(gl(x,"float"),gl(N,a)).build(e,a)),e.addLineFlowCode(`${o} = ${N}`,this),n.snippet=N,n.propertyName=o}let u=o;return e.needsToWorkingColorSpace(r)&&(u=Gu(gl(u,a),r.colorSpace).setup(e).build(e,a)),e.format(u,a,t)}}setSampler(e){return this.sampler=e,this}getSampler(){return this.sampler}sample(e){const t=this.clone();return t.uvNode=Zi(e),t.referenceNode=this.getBase(),Zi(t)}load(e){return this.sample(e).setSampler(!1)}blur(e){const t=this.clone();t.biasNode=Zi(e).mul(Cl(t)),t.referenceNode=this.getBase();const r=t.value;return!1===t.generateMipmaps&&(r&&!1===r.generateMipmaps||r.minFilter===w||r.magFilter===w)&&(d("TSL: texture().blur() requires mipmaps and sampling. Use .generateMipmaps=true and .minFilter/.magFilter=THREE.LinearFilter in the Texture."),t.biasNode=null),Zi(t)}level(e){const t=this.clone();return t.levelNode=Zi(e),t.referenceNode=this.getBase(),Zi(t)}size(e){return Al(this,e)}bias(e){const t=this.clone();return t.biasNode=Zi(e),t.referenceNode=this.getBase(),Zi(t)}getBase(){return this.referenceNode?this.referenceNode.getBase():this}compare(e){const t=this.clone();return t.compareNode=Zi(e),t.referenceNode=this.getBase(),Zi(t)}grad(e,t){const r=this.clone();return r.gradNode=[Zi(e),Zi(t)],r.referenceNode=this.getBase(),Zi(r)}depth(e){const t=this.clone();return t.depthNode=Zi(e),t.referenceNode=this.getBase(),Zi(t)}offset(e){const t=this.clone();return t.offsetNode=Zi(e),t.referenceNode=this.getBase(),Zi(t)}serialize(e){super.serialize(e),e.value=this.value.toJSON(e.meta).uuid,e.sampler=this.sampler,e.updateMatrix=this.updateMatrix,e.updateType=this.updateType}deserialize(e){super.deserialize(e),this.value=e.meta.textures[e.value],this.sampler=e.sampler,this.updateMatrix=e.updateMatrix,this.updateType=e.updateType}update(){const e=this.value,t=this._matrixUniform;null!==t&&(t.value=e.matrix),!0===e.matrixAutoUpdate&&e.updateMatrix();const r=this._flipYUniform;null!==r&&(r.value=e.image instanceof ImageBitmap&&!0===e.flipY||!0===e.isRenderTargetTexture||!0===e.isFramebufferTexture||!0===e.isDepthTexture)}clone(){const e=new this.constructor(this.value,this.uvNode,this.levelNode,this.biasNode);return e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.offsetNode=this.offsetNode,e}}const Ll=rn(Fl).setParameterLength(1,4).setName("texture"),Pl=(e=Bl,t=null,r=null,s=null)=>{let i;return e&&!0===e.isTextureNode?(i=Zi(e.clone()),i.referenceNode=e.getBase(),null!==t&&(i.uvNode=Zi(t)),null!==r&&(i.levelNode=Zi(r)),null!==s&&(i.biasNode=Zi(s))):i=Ll(e,t,r,s),i},Dl=(...e)=>Pl(...e).setSampler(!1);class Ul extends Ta{static get type(){return"BufferNode"}constructor(e,t,r=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferCount=r,this.updateRanges=[]}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}getElementType(e){return this.getNodeType(e)}getInputType(){return"buffer"}}const Il=(e,t,r)=>new Ul(e,t,r);class Ol extends li{static get type(){return"UniformArrayElementNode"}constructor(e,t){super(e,t),this.isArrayBufferElementNode=!0}generate(e){const t=super.generate(e),r=this.getNodeType(),s=this.node.getPaddedType();return e.format(t,s,r)}}class Vl extends Ul{static get type(){return"UniformArrayNode"}constructor(e,t=null){super(null),this.array=e,this.elementType=null===t?qs(e[0]):t,this.paddedType=this.getPaddedType(),this.updateType=Js.RENDER,this.isArrayBufferNode=!0}getNodeType(){return this.paddedType}getElementType(){return this.elementType}getPaddedType(){const e=this.elementType;let t="vec4";return"mat2"===e?t="mat2":!0===/mat/.test(e)?t="mat4":"i"===e.charAt(0)?t="ivec4":"u"===e.charAt(0)&&(t="uvec4"),t}update(){const{array:e,value:t}=this,r=this.elementType;if("float"===r||"int"===r||"uint"===r)for(let r=0;r<e.length;r++){t[4*r]=e[r]}else if("color"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.r,t[s+1]=i.g,t[s+2]=i.b||0}else if("mat2"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+3]=i.elements[3]}else if("mat3"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+4]=i.elements[3],t[s+5]=i.elements[4],t[s+6]=i.elements[5],t[s+8]=i.elements[6],t[s+9]=i.elements[7],t[s+10]=i.elements[8],t[s+15]=1}else if("mat4"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];for(let e=0;e<i.elements.length;e++)t[s+e]=i.elements[e]}else for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.x,t[s+1]=i.y,t[s+2]=i.z||0,t[s+3]=i.w||0}}setup(e){const t=this.array.length,r=this.elementType;let s=Float32Array;const i=this.paddedType,n=e.getTypeLength(i);return"i"===r.charAt(0)&&(s=Int32Array),"u"===r.charAt(0)&&(s=Uint32Array),this.value=new s(t*n),this.bufferCount=t,this.bufferType=i,this.update(),super.setup(e)}element(e){return new Ol(this,Zi(e))}}const kl=(e,t)=>new Vl(e,t);class Gl extends ui{constructor(e){super("float"),this.name=e,this.isBuiltinNode=!0}generate(){return this.name}}const zl=rn(Gl).setParameterLength(1);let $l,Wl;class Hl extends ui{static get type(){return"ScreenNode"}constructor(e){super(),this.scope=e,this._output=null,this.isViewportNode=!0}getNodeType(){return this.scope===Hl.DPR?"float":this.scope===Hl.VIEWPORT?"vec4":"vec2"}getUpdateType(){let e=Js.NONE;return this.scope!==Hl.SIZE&&this.scope!==Hl.VIEWPORT&&this.scope!==Hl.DPR||(e=Js.RENDER),this.updateType=e,e}update({renderer:e}){const t=e.getRenderTarget();this.scope===Hl.VIEWPORT?null!==t?Wl.copy(t.viewport):(e.getViewport(Wl),Wl.multiplyScalar(e.getPixelRatio())):this.scope===Hl.DPR?this._output.value=e.getPixelRatio():null!==t?($l.width=t.width,$l.height=t.height):e.getDrawingBufferSize($l)}setup(){const e=this.scope;let r=null;return r=e===Hl.SIZE?_a($l||($l=new t)):e===Hl.VIEWPORT?_a(Wl||(Wl=new s)):e===Hl.DPR?_a(1):bn(Kl.div(Xl)),this._output=r,r}generate(e){if(this.scope===Hl.COORDINATE){let t=e.getFragCoord();if(e.isFlipY()){const r=e.getNodeProperties(Xl).outputNode.build(e);t=`${e.getType("vec2")}( ${t}.x, ${r}.y - ${t}.y )`}return t}return super.generate(e)}}Hl.COORDINATE="coordinate",Hl.VIEWPORT="viewport",Hl.SIZE="size",Hl.UV="uv",Hl.DPR="dpr";const ql=sn(Hl,Hl.DPR),jl=sn(Hl,Hl.UV),Xl=sn(Hl,Hl.SIZE),Kl=sn(Hl,Hl.COORDINATE),Yl=sn(Hl,Hl.VIEWPORT),Ql=Yl.zw,Zl=Kl.sub(Yl.xy),Jl=Zl.div(Ql),ed=un(()=>(d('TSL: "viewportResolution" is deprecated. Use "screenSize" instead.',new Ps),Xl),"vec2").once()();let td=null,rd=null,sd=null,id=null,nd=null,ad=null,od=null,ud=null,ld=null,dd=null,cd=null,hd=null,pd=null,gd=null;const md=_a(0,"uint").setName("u_cameraIndex").setGroup(fa("cameraIndex")).toVarying("v_cameraIndex"),fd=_a("float").setName("cameraNear").setGroup(ba).onRenderUpdate(({camera:e})=>e.near),yd=_a("float").setName("cameraFar").setGroup(ba).onRenderUpdate(({camera:e})=>e.far),bd=un(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrix);null===rd?rd=kl(r).setGroup(ba).setName("cameraProjectionMatrices"):rd.array=r,t=rd.element(e.isMultiViewCamera?zl("gl_ViewID_OVR"):md).toConst("cameraProjectionMatrix")}else null===td&&(td=_a(e.projectionMatrix).setName("cameraProjectionMatrix").setGroup(ba).onRenderUpdate(({camera:e})=>e.projectionMatrix)),t=td;return t}).once()(),xd=un(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrixInverse);null===id?id=kl(r).setGroup(ba).setName("cameraProjectionMatricesInverse"):id.array=r,t=id.element(e.isMultiViewCamera?zl("gl_ViewID_OVR"):md).toConst("cameraProjectionMatrixInverse")}else null===sd&&(sd=_a(e.projectionMatrixInverse).setName("cameraProjectionMatrixInverse").setGroup(ba).onRenderUpdate(({camera:e})=>e.projectionMatrixInverse)),t=sd;return t}).once()(),Td=un(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorldInverse);null===ad?ad=kl(r).setGroup(ba).setName("cameraViewMatrices"):ad.array=r,t=ad.element(e.isMultiViewCamera?zl("gl_ViewID_OVR"):md).toConst("cameraViewMatrix")}else null===nd&&(nd=_a(e.matrixWorldInverse).setName("cameraViewMatrix").setGroup(ba).onRenderUpdate(({camera:e})=>e.matrixWorldInverse)),t=nd;return t}).once()(),_d=un(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorld);null===ud?ud=kl(r).setGroup(ba).setName("cameraWorldMatrices"):ud.array=r,t=ud.element(e.isMultiViewCamera?zl("gl_ViewID_OVR"):md).toConst("cameraWorldMatrix")}else null===od&&(od=_a(e.matrixWorld).setName("cameraWorldMatrix").setGroup(ba).onRenderUpdate(({camera:e})=>e.matrixWorld)),t=od;return t}).once()(),vd=un(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.normalMatrix);null===dd?dd=kl(r).setGroup(ba).setName("cameraNormalMatrices"):dd.array=r,t=dd.element(e.isMultiViewCamera?zl("gl_ViewID_OVR"):md).toConst("cameraNormalMatrix")}else null===ld&&(ld=_a(e.normalMatrix).setName("cameraNormalMatrix").setGroup(ba).onRenderUpdate(({camera:e})=>e.normalMatrix)),t=ld;return t}).once()(),Nd=un(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const s=[];for(let t=0,i=e.cameras.length;t<i;t++)s.push(new r);null===hd?hd=kl(s).setGroup(ba).setName("cameraPositions").onRenderUpdate(({camera:e},t)=>{const r=e.cameras,s=t.array;for(let e=0,t=r.length;e<t;e++)s[e].setFromMatrixPosition(r[e].matrixWorld)}):hd.array=s,t=hd.element(e.isMultiViewCamera?zl("gl_ViewID_OVR"):md).toConst("cameraPosition")}else null===cd&&(cd=_a(new r).setName("cameraPosition").setGroup(ba).onRenderUpdate(({camera:e},t)=>t.value.setFromMatrixPosition(e.matrixWorld))),t=cd;return t}).once()(),Sd=un(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.viewport);null===gd?gd=kl(r,"vec4").setGroup(ba).setName("cameraViewports"):gd.array=r,t=gd.element(md).toConst("cameraViewport")}else null===pd&&(pd=En(0,0,Xl.x,Xl.y).toConst("cameraViewport")),t=pd;return t}).once()(),Rd=new C;class Ed extends ui{static get type(){return"Object3DNode"}constructor(e,t=null){super(),this.scope=e,this.object3d=t,this.updateType=Js.OBJECT,this.uniformNode=new Ta(null)}getNodeType(){const e=this.scope;return e===Ed.WORLD_MATRIX?"mat4":e===Ed.POSITION||e===Ed.VIEW_POSITION||e===Ed.DIRECTION||e===Ed.SCALE?"vec3":e===Ed.RADIUS?"float":void 0}update(e){const t=this.object3d,s=this.uniformNode,i=this.scope;if(i===Ed.WORLD_MATRIX)s.value=t.matrixWorld;else if(i===Ed.POSITION)s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld);else if(i===Ed.SCALE)s.value=s.value||new r,s.value.setFromMatrixScale(t.matrixWorld);else if(i===Ed.DIRECTION)s.value=s.value||new r,t.getWorldDirection(s.value);else if(i===Ed.VIEW_POSITION){const i=e.camera;s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld),s.value.applyMatrix4(i.matrixWorldInverse)}else if(i===Ed.RADIUS){const r=e.object.geometry;null===r.boundingSphere&&r.computeBoundingSphere(),Rd.copy(r.boundingSphere).applyMatrix4(t.matrixWorld),s.value=Rd.radius}}generate(e){const t=this.scope;return t===Ed.WORLD_MATRIX?this.uniformNode.nodeType="mat4":t===Ed.POSITION||t===Ed.VIEW_POSITION||t===Ed.DIRECTION||t===Ed.SCALE?this.uniformNode.nodeType="vec3":t===Ed.RADIUS&&(this.uniformNode.nodeType="float"),this.uniformNode.build(e)}serialize(e){super.serialize(e),e.scope=this.scope}deserialize(e){super.deserialize(e),this.scope=e.scope}}Ed.WORLD_MATRIX="worldMatrix",Ed.POSITION="position",Ed.SCALE="scale",Ed.VIEW_POSITION="viewPosition",Ed.DIRECTION="direction",Ed.RADIUS="radius";const Ad=rn(Ed,Ed.DIRECTION).setParameterLength(1),wd=rn(Ed,Ed.WORLD_MATRIX).setParameterLength(1),Cd=rn(Ed,Ed.POSITION).setParameterLength(1),Md=rn(Ed,Ed.SCALE).setParameterLength(1),Bd=rn(Ed,Ed.VIEW_POSITION).setParameterLength(1),Fd=rn(Ed,Ed.RADIUS).setParameterLength(1);class Ld extends Ed{static get type(){return"ModelNode"}constructor(e){super(e)}update(e){this.object3d=e.object,super.update(e)}}const Pd=sn(Ld,Ld.DIRECTION),Dd=sn(Ld,Ld.WORLD_MATRIX),Ud=sn(Ld,Ld.POSITION),Id=sn(Ld,Ld.SCALE),Od=sn(Ld,Ld.VIEW_POSITION),Vd=sn(Ld,Ld.RADIUS),kd=_a(new n).onObjectUpdate(({object:e},t)=>t.value.getNormalMatrix(e.matrixWorld)),Gd=_a(new a).onObjectUpdate(({object:e},t)=>t.value.copy(e.matrixWorld).invert()),zd=un(e=>e.context.modelViewMatrix||$d).once()().toVar("modelViewMatrix"),$d=Td.mul(Dd),Wd=un(e=>(e.context.isHighPrecisionModelViewMatrix=!0,_a("mat4").onObjectUpdate(({object:e,camera:t})=>e.modelViewMatrix.multiplyMatrices(t.matrixWorldInverse,e.matrixWorld)))).once()().toVar("highpModelViewMatrix"),Hd=un(e=>{const t=e.context.isHighPrecisionModelViewMatrix;return _a("mat3").onObjectUpdate(({object:e,camera:r})=>(!0!==t&&e.modelViewMatrix.multiplyMatrices(r.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix)))}).once()().toVar("highpModelNormalViewMatrix"),qd=un(e=>"fragment"!==e.shaderStage?(v("TSL: `clipSpace` is only available in fragment stage."),En()):e.context.clipSpace.toVarying("v_clipSpace")).once()(),jd=Sl("position","vec3"),Xd=jd.toVarying("positionLocal"),Kd=jd.toVarying("positionPrevious"),Yd=un(e=>Dd.mul(Xd).xyz.toVarying(e.getSubBuildProperty("v_positionWorld")),"vec3").once(["POSITION"])(),Qd=un(()=>Xd.transformDirection(Dd).toVarying("v_positionWorldDirection").normalize().toVar("positionWorldDirection"),"vec3").once(["POSITION"])(),Zd=un(e=>{if("fragment"===e.shaderStage&&e.material.vertexNode){const e=xd.mul(qd);return e.xyz.div(e.w).toVar("positionView")}return e.context.setupPositionView().toVarying("v_positionView")},"vec3").once(["POSITION","VERTEX"])(),Jd=un(e=>{let t;return t=e.camera.isOrthographicCamera?vn(0,0,1):Zd.negate().toVarying("v_positionViewDirection").normalize(),t.toVar("positionViewDirection")},"vec3").once(["POSITION"])();class ec extends ui{static get type(){return"FrontFacingNode"}constructor(){super("bool"),this.isFrontFacingNode=!0}generate(e){if("fragment"!==e.shaderStage)return"true";const{material:t}=e;return t.side===M?"false":e.getFrontFacing()}}const tc=sn(ec),rc=gn(tc).mul(2).sub(1),sc=un(([e],{material:t})=>{const r=t.side;return r===M?e=e.mul(-1):r===B&&(e=e.mul(rc)),e}),ic=Sl("normal","vec3"),nc=un(e=>!1===e.geometry.hasAttribute("normal")?(d('TSL: Vertex attribute "normal" not found on geometry.'),vn(0,1,0)):ic,"vec3").once()().toVar("normalLocal"),ac=Zd.dFdx().cross(Zd.dFdy()).normalize().toVar("normalFlat"),oc=un(e=>{let t;return t=e.isFlatShading()?ac:pc(nc).toVarying("v_normalViewGeometry").normalize(),t},"vec3").once()().toVar("normalViewGeometry"),uc=un(e=>{let t=oc.transformDirection(Td);return!0!==e.isFlatShading()&&(t=t.toVarying("v_normalWorldGeometry")),t.normalize().toVar("normalWorldGeometry")},"vec3").once()(),lc=un(e=>{let t;return"NORMAL"===e.subBuildFn||"VERTEX"===e.subBuildFn?(t=oc,!0!==e.isFlatShading()&&(t=sc(t))):t=e.context.setupNormal().context({getUV:null,getTextureLevel:null}),t},"vec3").once(["NORMAL","VERTEX"])().toVar("normalView"),dc=lc.transformDirection(Td).toVar("normalWorld"),cc=un(({subBuildFn:e,context:t})=>{let r;return r="NORMAL"===e||"VERTEX"===e?lc:t.setupClearcoatNormal().context({getUV:null,getTextureLevel:null}),r},"vec3").once(["NORMAL","VERTEX"])().toVar("clearcoatNormalView"),hc=un(([e,t=Dd])=>{const r=Bn(t),s=e.div(vn(r[0].dot(r[0]),r[1].dot(r[1]),r[2].dot(r[2])));return r.mul(s).xyz}),pc=un(([e],t)=>{const r=t.context.modelNormalViewMatrix;if(r)return r.transformDirection(e);const s=kd.mul(e);return Td.transformDirection(s)}),gc=un(()=>(d('TSL: "transformedNormalView" is deprecated. Use "normalView" instead.'),lc)).once(["NORMAL","VERTEX"])(),mc=un(()=>(d('TSL: "transformedNormalWorld" is deprecated. Use "normalWorld" instead.'),dc)).once(["NORMAL","VERTEX"])(),fc=un(()=>(d('TSL: "transformedClearcoatNormalView" is deprecated. Use "clearcoatNormalView" instead.'),cc)).once(["NORMAL","VERTEX"])(),yc=new F,bc=new a,xc=_a(0).onReference(({material:e})=>e).onObjectUpdate(({material:e})=>e.refractionRatio),Tc=_a(1).onReference(({material:e})=>e).onObjectUpdate(function({material:e,scene:t}){return e.envMap?e.envMapIntensity:t.environmentIntensity}),_c=_a(new a).onReference(function(e){return e.material}).onObjectUpdate(function({material:e,scene:t}){const r=null!==t.environment&&null===e.envMap?t.environmentRotation:e.envMapRotation;return r?(yc.copy(r),bc.makeRotationFromEuler(yc)):bc.identity(),bc}),vc=Jd.negate().reflect(lc),Nc=Jd.negate().refract(lc,xc),Sc=vc.transformDirection(Td).toVar("reflectVector"),Rc=Nc.transformDirection(Td).toVar("reflectVector"),Ec=new L;class Ac extends Fl{static get type(){return"CubeTextureNode"}constructor(e,t=null,r=null,s=null){super(e,t,r,s),this.isCubeTextureNode=!0}getInputType(){return!0===this.value.isDepthTexture?"cubeDepthTexture":"cubeTexture"}getDefaultUV(){const e=this.value;return e.mapping===P?Sc:e.mapping===D?Rc:(o('CubeTextureNode: Mapping "%s" not supported.',e.mapping),vn(0,0,0))}setUpdateMatrix(){}setupUV(e,t){const r=this.value;return!0===r.isDepthTexture?e.renderer.coordinateSystem===h?vn(t.x,t.y.negate(),t.z):t:(e.renderer.coordinateSystem!==h&&r.isRenderTargetTexture||(t=vn(t.x.negate(),t.yz)),_c.mul(t))}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}}const wc=rn(Ac).setParameterLength(1,4).setName("cubeTexture"),Cc=(e=Ec,t=null,r=null,s=null)=>{let i;return e&&!0===e.isCubeTextureNode?(i=Zi(e.clone()),i.referenceNode=e,null!==t&&(i.uvNode=Zi(t)),null!==r&&(i.levelNode=Zi(r)),null!==s&&(i.biasNode=Zi(s))):i=wc(e,t,r,s),i};class Mc extends li{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}getNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,r,s)}}class Bc extends ui{static get type(){return"ReferenceNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.name=null,this.updateType=Js.OBJECT}element(e){return new Mc(this,Zi(e))}setGroup(e){return this.group=e,this}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.'),this.setName(e)}setNodeType(e){let t=null;t=null!==this.count?Il(null,e,this.count):Array.isArray(this.getValueFromReference())?kl(null,e):"texture"===e?Pl(null):"cubeTexture"===e?Cc(null):_a(null,e),null!==this.group&&t.setGroup(this.group),null!==this.name&&t.setName(this.name),this.node=t}getNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}const Fc=(e,t,r)=>new Bc(e,t,r),Lc=(e,t,r,s)=>new Bc(e,t,s,r);class Pc extends Bc{static get type(){return"MaterialReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.material=r,this.isMaterialReferenceNode=!0}updateReference(e){return this.reference=null!==this.material?this.material:e.material,this.reference}}const Dc=(e,t,r=null)=>new Pc(e,t,r),Uc=Rl(),Ic=Zd.dFdx(),Oc=Zd.dFdy(),Vc=Uc.dFdx(),kc=Uc.dFdy(),Gc=lc,zc=Oc.cross(Gc),$c=Gc.cross(Ic),Wc=zc.mul(Vc.x).add($c.mul(kc.x)),Hc=zc.mul(Vc.y).add($c.mul(kc.y)),qc=Wc.dot(Wc).max(Hc.dot(Hc)),jc=qc.equal(0).select(0,qc.inverseSqrt()),Xc=Wc.mul(jc).toVar("tangentViewFrame"),Kc=Hc.mul(jc).toVar("bitangentViewFrame"),Yc=Sl("tangent","vec4"),Qc=Yc.xyz.toVar("tangentLocal"),Zc=un(e=>{let t;return t="VERTEX"===e.subBuildFn||e.geometry.hasAttribute("tangent")?zd.mul(En(Qc,0)).xyz.toVarying("v_tangentView").normalize():Xc,!0!==e.isFlatShading()&&(t=sc(t)),t},"vec3").once(["NORMAL","VERTEX"])().toVar("tangentView"),Jc=Zc.transformDirection(Td).toVarying("v_tangentWorld").normalize().toVar("tangentWorld"),eh=un(([e,t],r)=>{let s=e.mul(Yc.w).xyz;return"NORMAL"===r.subBuildFn&&!0!==r.isFlatShading()&&(s=s.toVarying(t)),s}).once(["NORMAL"]),th=eh(ic.cross(Yc),"v_bitangentGeometry").normalize().toVar("bitangentGeometry"),rh=eh(nc.cross(Qc),"v_bitangentLocal").normalize().toVar("bitangentLocal"),sh=un(e=>{let t;return t="VERTEX"===e.subBuildFn||e.geometry.hasAttribute("tangent")?eh(lc.cross(Zc),"v_bitangentView").normalize():Kc,!0!==e.isFlatShading()&&(t=sc(t)),t},"vec3").once(["NORMAL","VERTEX"])().toVar("bitangentView"),ih=eh(dc.cross(Jc),"v_bitangentWorld").normalize().toVar("bitangentWorld"),nh=Bn(Zc,sh,lc).toVar("TBNViewMatrix"),ah=Jd.mul(nh),oh=un(()=>{let e=Jn.cross(Jd);return e=e.cross(Jn).normalize(),e=nu(e,lc,Qn.mul(Gn.oneMinus()).oneMinus().pow2().pow2()).normalize(),e}).once()(),uh=e=>Zi(e).mul(.5).add(.5),lh=e=>vn(e,bo(ou(gn(1).sub(Yo(e,e)))));class dh extends ci{static get type(){return"NormalMapNode"}constructor(e,t=null){super("vec3"),this.node=e,this.scaleNode=t,this.normalMapType=U,this.unpackNormalMode=I}setup(e){const{normalMapType:t,scaleNode:r,unpackNormalMode:s}=this;let i=this.node.mul(2).sub(1);if(t===U?s===O?i=lh(i.xy):s===V?i=lh(i.yw):s!==I&&console.error(`THREE.NodeMaterial: Unexpected unpack normal mode: ${s}`):s!==I&&console.error(`THREE.NodeMaterial: Normal map type '${t}' is not compatible with unpack normal mode '${s}'`),null!==r){let t=r;!0===e.isFlatShading()&&(t=sc(t)),i=vn(i.xy.mul(t),i.z)}let n=null;return t===k?n=pc(i):t===U?n=nh.mul(i).normalize():(o(`NodeMaterial: Unsupported normal map type: ${t}`),n=lc),n}}const ch=rn(dh).setParameterLength(1,2),hh=un(({textureNode:e,bumpScale:t})=>{const r=t=>e.isolate().context({getUV:e=>t(e.uvNode||Rl()),forceUVContext:!0}),s=gn(r(e=>e));return bn(gn(r(e=>e.add(e.dFdx()))).sub(s),gn(r(e=>e.add(e.dFdy()))).sub(s)).mul(t)}),ph=un(e=>{const{surf_pos:t,surf_norm:r,dHdxy:s}=e,i=t.dFdx().normalize(),n=r,a=t.dFdy().normalize().cross(n),o=n.cross(i),u=i.dot(a).mul(rc),l=u.sign().mul(s.x.mul(a).add(s.y.mul(o)));return u.abs().mul(r).sub(l).normalize()});class gh extends ci{static get type(){return"BumpMapNode"}constructor(e,t=null){super("vec3"),this.textureNode=e,this.scaleNode=t}setup(){const e=null!==this.scaleNode?this.scaleNode:1,t=hh({textureNode:this.textureNode,bumpScale:e});return ph({surf_pos:Zd,surf_norm:lc,dHdxy:t})}}const mh=rn(gh).setParameterLength(1,2),fh=new Map;class yh extends ui{static get type(){return"MaterialNode"}constructor(e){super(),this.scope=e}getCache(e,t){let r=fh.get(e);return void 0===r&&(r=Dc(e,t),fh.set(e,r)),r}getFloat(e){return this.getCache(e,"float")}getColor(e){return this.getCache(e,"color")}getTexture(e){return this.getCache("map"===e?"map":e+"Map","texture")}setup(e){const t=e.context.material,r=this.scope;let s=null;if(r===yh.COLOR){const e=void 0!==t.color?this.getColor(r):vn();s=t.map&&!0===t.map.isTexture?e.mul(this.getTexture("map")):e}else if(r===yh.OPACITY){const e=this.getFloat(r);s=t.alphaMap&&!0===t.alphaMap.isTexture?e.mul(this.getTexture("alpha")):e}else if(r===yh.SPECULAR_STRENGTH)s=t.specularMap&&!0===t.specularMap.isTexture?this.getTexture("specular").r:gn(1);else if(r===yh.SPECULAR_INTENSITY){const e=this.getFloat(r);s=t.specularIntensityMap&&!0===t.specularIntensityMap.isTexture?e.mul(this.getTexture(r).a):e}else if(r===yh.SPECULAR_COLOR){const e=this.getColor(r);s=t.specularColorMap&&!0===t.specularColorMap.isTexture?e.mul(this.getTexture(r).rgb):e}else if(r===yh.ROUGHNESS){const e=this.getFloat(r);s=t.roughnessMap&&!0===t.roughnessMap.isTexture?e.mul(this.getTexture(r).g):e}else if(r===yh.METALNESS){const e=this.getFloat(r);s=t.metalnessMap&&!0===t.metalnessMap.isTexture?e.mul(this.getTexture(r).b):e}else if(r===yh.EMISSIVE){const e=this.getFloat("emissiveIntensity"),i=this.getColor(r).mul(e);s=t.emissiveMap&&!0===t.emissiveMap.isTexture?i.mul(this.getTexture(r)):i}else if(r===yh.NORMAL)t.normalMap?(s=ch(this.getTexture("normal"),this.getCache("normalScale","vec2")),s.normalMapType=t.normalMapType,t.normalMap.format!=G&&t.normalMap.format!=z&&t.normalMap.format!=$||(s.unpackNormalMode=O)):s=t.bumpMap?mh(this.getTexture("bump").r,this.getFloat("bumpScale")):lc;else if(r===yh.CLEARCOAT){const e=this.getFloat(r);s=t.clearcoatMap&&!0===t.clearcoatMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===yh.CLEARCOAT_ROUGHNESS){const e=this.getFloat(r);s=t.clearcoatRoughnessMap&&!0===t.clearcoatRoughnessMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===yh.CLEARCOAT_NORMAL)s=t.clearcoatNormalMap?ch(this.getTexture(r),this.getCache(r+"Scale","vec2")):lc;else if(r===yh.SHEEN){const e=this.getColor("sheenColor").mul(this.getFloat("sheen"));s=t.sheenColorMap&&!0===t.sheenColorMap.isTexture?e.mul(this.getTexture("sheenColor").rgb):e}else if(r===yh.SHEEN_ROUGHNESS){const e=this.getFloat(r);s=t.sheenRoughnessMap&&!0===t.sheenRoughnessMap.isTexture?e.mul(this.getTexture(r).a):e,s=s.clamp(1e-4,1)}else if(r===yh.ANISOTROPY)if(t.anisotropyMap&&!0===t.anisotropyMap.isTexture){const e=this.getTexture(r);s=Mn(tp.x,tp.y,tp.y.negate(),tp.x).mul(e.rg.mul(2).sub(bn(1)).normalize().mul(e.b))}else s=tp;else if(r===yh.IRIDESCENCE_THICKNESS){const e=Fc("1","float",t.iridescenceThicknessRange);if(t.iridescenceThicknessMap){const i=Fc("0","float",t.iridescenceThicknessRange);s=e.sub(i).mul(this.getTexture(r).g).add(i)}else s=e}else if(r===yh.TRANSMISSION){const e=this.getFloat(r);s=t.transmissionMap?e.mul(this.getTexture(r).r):e}else if(r===yh.THICKNESS){const e=this.getFloat(r);s=t.thicknessMap?e.mul(this.getTexture(r).g):e}else if(r===yh.IOR)s=this.getFloat(r);else if(r===yh.LIGHT_MAP)s=this.getTexture(r).rgb.mul(this.getFloat("lightMapIntensity"));else if(r===yh.AO)s=this.getTexture(r).r.sub(1).mul(this.getFloat("aoMapIntensity")).add(1);else if(r===yh.LINE_DASH_OFFSET)s=t.dashOffset?this.getFloat(r):gn(0);else{const t=this.getNodeType(e);s=this.getCache(r,t)}return s}}yh.ALPHA_TEST="alphaTest",yh.COLOR="color",yh.OPACITY="opacity",yh.SHININESS="shininess",yh.SPECULAR="specular",yh.SPECULAR_STRENGTH="specularStrength",yh.SPECULAR_INTENSITY="specularIntensity",yh.SPECULAR_COLOR="specularColor",yh.REFLECTIVITY="reflectivity",yh.ROUGHNESS="roughness",yh.METALNESS="metalness",yh.NORMAL="normal",yh.CLEARCOAT="clearcoat",yh.CLEARCOAT_ROUGHNESS="clearcoatRoughness",yh.CLEARCOAT_NORMAL="clearcoatNormal",yh.EMISSIVE="emissive",yh.ROTATION="rotation",yh.SHEEN="sheen",yh.SHEEN_ROUGHNESS="sheenRoughness",yh.ANISOTROPY="anisotropy",yh.IRIDESCENCE="iridescence",yh.IRIDESCENCE_IOR="iridescenceIOR",yh.IRIDESCENCE_THICKNESS="iridescenceThickness",yh.IOR="ior",yh.TRANSMISSION="transmission",yh.THICKNESS="thickness",yh.ATTENUATION_DISTANCE="attenuationDistance",yh.ATTENUATION_COLOR="attenuationColor",yh.LINE_SCALE="scale",yh.LINE_DASH_SIZE="dashSize",yh.LINE_GAP_SIZE="gapSize",yh.LINE_WIDTH="linewidth",yh.LINE_DASH_OFFSET="dashOffset",yh.POINT_SIZE="size",yh.DISPERSION="dispersion",yh.LIGHT_MAP="light",yh.AO="ao";const bh=sn(yh,yh.ALPHA_TEST),xh=sn(yh,yh.COLOR),Th=sn(yh,yh.SHININESS),_h=sn(yh,yh.EMISSIVE),vh=sn(yh,yh.OPACITY),Nh=sn(yh,yh.SPECULAR),Sh=sn(yh,yh.SPECULAR_INTENSITY),Rh=sn(yh,yh.SPECULAR_COLOR),Eh=sn(yh,yh.SPECULAR_STRENGTH),Ah=sn(yh,yh.REFLECTIVITY),wh=sn(yh,yh.ROUGHNESS),Ch=sn(yh,yh.METALNESS),Mh=sn(yh,yh.NORMAL),Bh=sn(yh,yh.CLEARCOAT),Fh=sn(yh,yh.CLEARCOAT_ROUGHNESS),Lh=sn(yh,yh.CLEARCOAT_NORMAL),Ph=sn(yh,yh.ROTATION),Dh=sn(yh,yh.SHEEN),Uh=sn(yh,yh.SHEEN_ROUGHNESS),Ih=sn(yh,yh.ANISOTROPY),Oh=sn(yh,yh.IRIDESCENCE),Vh=sn(yh,yh.IRIDESCENCE_IOR),kh=sn(yh,yh.IRIDESCENCE_THICKNESS),Gh=sn(yh,yh.TRANSMISSION),zh=sn(yh,yh.THICKNESS),$h=sn(yh,yh.IOR),Wh=sn(yh,yh.ATTENUATION_DISTANCE),Hh=sn(yh,yh.ATTENUATION_COLOR),qh=sn(yh,yh.LINE_SCALE),jh=sn(yh,yh.LINE_DASH_SIZE),Xh=sn(yh,yh.LINE_GAP_SIZE),Kh=sn(yh,yh.LINE_WIDTH),Yh=sn(yh,yh.LINE_DASH_OFFSET),Qh=sn(yh,yh.POINT_SIZE),Zh=sn(yh,yh.DISPERSION),Jh=sn(yh,yh.LIGHT_MAP),ep=sn(yh,yh.AO),tp=_a(new t).onReference(function(e){return e.material}).onRenderUpdate(function({material:e}){this.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation))}),rp=un(e=>e.context.setupModelViewProjection(),"vec4").once()().toVarying("v_modelViewProjection");class sp extends li{static get type(){return"StorageArrayElementNode"}constructor(e,t){super(e,t),this.isStorageArrayElementNode=!0}set storageBufferNode(e){this.node=e}get storageBufferNode(){return this.node}getMemberType(e,t){const r=this.storageBufferNode.structTypeNode;return r?r.getMemberType(e,t):"void"}setup(e){return!1===e.isAvailable("storageBuffer")&&!0===this.node.isPBO&&e.setupPBO(this.node),super.setup(e)}generate(e,t){let r;const s=e.context.assign;if(r=!1===e.isAvailable("storageBuffer")?!0!==this.node.isPBO||!0===s||!this.node.value.isInstancedBufferAttribute&&"compute"===e.shaderStage?this.node.build(e):e.generatePBO(this):super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}const ip=rn(sp).setParameterLength(2);class np extends Ul{static get type(){return"StorageBufferNode"}constructor(e,t=null,r=0){let s,i=null;t&&t.isStruct?(s="struct",i=t.layout,(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(r=e.count)):null===t&&(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)?(s=Gs(e.itemSize),r=e.count):s=t,super(e,s,r),this.isStorageBufferNode=!0,this.structTypeNode=i,this.access=ti.READ_WRITE,this.isAtomic=!1,this.isPBO=!1,this._attribute=null,this._varying=null,this.global=!0,!0!==e.isStorageBufferAttribute&&!0!==e.isStorageInstancedBufferAttribute&&(e.isInstancedBufferAttribute?e.isStorageInstancedBufferAttribute=!0:e.isStorageBufferAttribute=!0)}getHash(e){if(0===this.bufferCount){let t=e.globalCache.getData(this.value);return void 0===t&&(t={node:this},e.globalCache.setData(this.value,t)),t.node.uuid}return this.uuid}getInputType(){return this.value.isIndirectStorageBufferAttribute?"indirectStorageBuffer":"storageBuffer"}element(e){return ip(this,e)}setPBO(e){return this.isPBO=e,this}getPBO(){return this.isPBO}setAccess(e){return this.access=e,this}toReadOnly(){return this.setAccess(ti.READ_ONLY)}setAtomic(e){return this.isAtomic=e,this}toAtomic(){return this.setAtomic(!0)}getAttributeData(){return null===this._attribute&&(this._attribute=Ju(this.value),this._varying=Pu(this._attribute)),{attribute:this._attribute,varying:this._varying}}getNodeType(e){if(null!==this.structTypeNode)return this.structTypeNode.getNodeType(e);if(e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.getNodeType(e);const{attribute:t}=this.getAttributeData();return t.getNodeType(e)}getMemberType(e,t){return null!==this.structTypeNode?this.structTypeNode.getMemberType(e,t):"void"}generate(e){if(null!==this.structTypeNode&&this.structTypeNode.build(e),e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.generate(e);const{attribute:t,varying:r}=this.getAttributeData(),s=r.build(e);return e.registerTransform(s,t),s}}const ap=(e,t=null,r=0)=>new np(e,t,r);class op extends ui{static get type(){return"IndexNode"}constructor(e){super("uint"),this.scope=e,this.isIndexNode=!0}generate(e){const t=this.getNodeType(e),r=this.scope;let s,i;if(r===op.VERTEX)s=e.getVertexIndex();else if(r===op.INSTANCE)s=e.getInstanceIndex();else if(r===op.DRAW)s=e.getDrawIndex();else if(r===op.INVOCATION_LOCAL)s=e.getInvocationLocalIndex();else if(r===op.INVOCATION_SUBGROUP)s=e.getInvocationSubgroupIndex();else{if(r!==op.SUBGROUP)throw new Error("THREE.IndexNode: Unknown scope: "+r);s=e.getSubgroupIndex()}if("vertex"===e.shaderStage||"compute"===e.shaderStage)i=s;else{i=Pu(this).build(e,t)}return i}}op.VERTEX="vertex",op.INSTANCE="instance",op.SUBGROUP="subgroup",op.INVOCATION_LOCAL="invocationLocal",op.INVOCATION_SUBGROUP="invocationSubgroup",op.DRAW="draw";const up=sn(op,op.VERTEX),lp=sn(op,op.INSTANCE),dp=sn(op,op.SUBGROUP),cp=sn(op,op.INVOCATION_SUBGROUP),hp=sn(op,op.INVOCATION_LOCAL),pp=sn(op,op.DRAW);class gp extends ui{static get type(){return"InstanceNode"}constructor(e,t,r=null){super("void"),this.count=e,this.instanceMatrix=t,this.instanceColor=r,this.instanceMatrixNode=null,this.instanceColorNode=null,this.updateType=Js.FRAME,this.buffer=null,this.bufferColor=null,this.previousInstanceMatrixNode=null}get isStorageMatrix(){const{instanceMatrix:e}=this;return e&&!0===e.isStorageInstancedBufferAttribute}get isStorageColor(){const{instanceColor:e}=this;return e&&!0===e.isStorageInstancedBufferAttribute}setup(e){let{instanceMatrixNode:t,instanceColorNode:r}=this;null===t&&(t=this._createInstanceMatrixNode(!0,e),this.instanceMatrixNode=t);const{instanceColor:s,isStorageColor:i}=this;if(s&&null===r){if(i)r=ap(s,"vec3",Math.max(s.count,1)).element(lp);else{const e=new W(s.array,3),t=s.usage===x?tl:el;this.bufferColor=e,r=vn(t(e,"vec3",3,0))}this.instanceColorNode=r}const n=t.mul(Xd).xyz;if(Xd.assign(n),e.needsPreviousData()&&Kd.assign(this.getPreviousInstancedPosition(e)),e.hasGeometryAttribute("normal")){const e=hc(nc,t);nc.assign(e)}null!==this.instanceColorNode&&In("vec3","vInstanceColor").assign(this.instanceColorNode)}update(e){null!==this.buffer&&!0!==this.isStorageMatrix&&(this.buffer.clearUpdateRanges(),this.buffer.updateRanges.push(...this.instanceMatrix.updateRanges),this.instanceMatrix.version!==this.buffer.version&&(this.buffer.version=this.instanceMatrix.version)),this.instanceColor&&null!==this.bufferColor&&!0!==this.isStorageColor&&(this.bufferColor.clearUpdateRanges(),this.bufferColor.updateRanges.push(...this.instanceColor.updateRanges),this.instanceColor.version!==this.bufferColor.version&&(this.bufferColor.version=this.instanceColor.version)),null!==this.previousInstanceMatrixNode&&e.object.previousInstanceMatrix.array.set(this.instanceMatrix.array)}getPreviousInstancedPosition(e){const t=e.object;return null===this.previousInstanceMatrixNode&&(t.previousInstanceMatrix=this.instanceMatrix.clone(),this.previousInstanceMatrixNode=this._createInstanceMatrixNode(!1,e)),this.previousInstanceMatrixNode.mul(Kd).xyz}_createInstanceMatrixNode(e,t){let r;const{instanceMatrix:s}=this,{count:i}=s;if(this.isStorageMatrix)r=ap(s,"mat4",Math.max(i,1)).element(lp);else{if(16*i*4<=t.getUniformBufferLimit())r=Il(s.array,"mat4",Math.max(i,1)).element(lp);else{const t=new H(s.array,16,1);!0===e&&(this.buffer=t);const i=s.usage===x?tl:el,n=[i(t,"vec4",16,0),i(t,"vec4",16,4),i(t,"vec4",16,8),i(t,"vec4",16,12)];r=Fn(...n)}}return r}}const mp=rn(gp).setParameterLength(2,3);class fp extends gp{static get type(){return"InstancedMeshNode"}constructor(e){const{count:t,instanceMatrix:r,instanceColor:s}=e;super(t,r,s),this.instancedMesh=e}}const yp=rn(fp).setParameterLength(1);class bp extends ui{static get type(){return"BatchNode"}constructor(e){super("void"),this.batchMesh=e,this.batchingIdNode=null}setup(e){null===this.batchingIdNode&&(null===e.getDrawIndex()?this.batchingIdNode=lp:this.batchingIdNode=pp);const t=un(([e])=>{const t=mn(Al(Dl(this.batchMesh._indirectTexture),0).x).toConst(),r=mn(e).mod(t).toConst(),s=mn(e).div(t).toConst();return Dl(this.batchMesh._indirectTexture,xn(r,s)).x}).setLayout({name:"getIndirectIndex",type:"uint",inputs:[{name:"id",type:"int"}]}),r=t(mn(this.batchingIdNode)),s=this.batchMesh._matricesTexture,i=mn(Al(Dl(s),0).x).toConst(),n=gn(r).mul(4).toInt().toConst(),a=n.mod(i).toConst(),o=n.div(i).toConst(),u=Fn(Dl(s,xn(a,o)),Dl(s,xn(a.add(1),o)),Dl(s,xn(a.add(2),o)),Dl(s,xn(a.add(3),o))),l=this.batchMesh._colorsTexture;if(null!==l){const e=un(([e])=>{const t=mn(Al(Dl(l),0).x).toConst(),r=e,s=r.mod(t).toConst(),i=r.div(t).toConst();return Dl(l,xn(s,i)).rgb}).setLayout({name:"getBatchingColor",type:"vec3",inputs:[{name:"id",type:"int"}]}),t=e(r);In("vec3","vBatchColor").assign(t)}const d=Bn(u);Xd.assign(u.mul(Xd));const c=nc.div(vn(d[0].dot(d[0]),d[1].dot(d[1]),d[2].dot(d[2]))),h=d.mul(c).xyz;nc.assign(h),e.hasGeometryAttribute("tangent")&&Qc.mulAssign(d)}}const xp=rn(bp).setParameterLength(1),Tp=new WeakMap;class _p extends ui{static get type(){return"SkinningNode"}constructor(e){super("void"),this.skinnedMesh=e,this.updateType=Js.OBJECT,this.skinIndexNode=Sl("skinIndex","uvec4"),this.skinWeightNode=Sl("skinWeight","vec4"),this.bindMatrixNode=Fc("bindMatrix","mat4"),this.bindMatrixInverseNode=Fc("bindMatrixInverse","mat4"),this.boneMatricesNode=Lc("skeleton.boneMatrices","mat4",e.skeleton.bones.length),this.positionNode=Xd,this.toPositionNode=Xd,this.previousBoneMatricesNode=null}getSkinnedPosition(e=this.boneMatricesNode,t=this.positionNode){const{skinIndexNode:r,skinWeightNode:s,bindMatrixNode:i,bindMatrixInverseNode:n}=this,a=e.element(r.x),o=e.element(r.y),u=e.element(r.z),l=e.element(r.w),d=i.mul(t),c=Ma(a.mul(s.x).mul(d),o.mul(s.y).mul(d),u.mul(s.z).mul(d),l.mul(s.w).mul(d));return n.mul(c).xyz}getSkinnedNormalAndTangent(e=this.boneMatricesNode,t=nc,r=Qc){const{skinIndexNode:s,skinWeightNode:i,bindMatrixNode:n,bindMatrixInverseNode:a}=this,o=e.element(s.x),u=e.element(s.y),l=e.element(s.z),d=e.element(s.w);let c=Ma(i.x.mul(o),i.y.mul(u),i.z.mul(l),i.w.mul(d));c=a.mul(c).mul(n);return{skinNormal:c.transformDirection(t).xyz,skinTangent:c.transformDirection(r).xyz}}getPreviousSkinnedPosition(e){const t=e.object;return null===this.previousBoneMatricesNode&&(t.skeleton.previousBoneMatrices=new Float32Array(t.skeleton.boneMatrices),this.previousBoneMatricesNode=Lc("skeleton.previousBoneMatrices","mat4",t.skeleton.bones.length)),this.getSkinnedPosition(this.previousBoneMatricesNode,Kd)}setup(e){e.needsPreviousData()&&Kd.assign(this.getPreviousSkinnedPosition(e));const t=this.getSkinnedPosition();if(this.toPositionNode&&this.toPositionNode.assign(t),e.hasGeometryAttribute("normal")){const{skinNormal:t,skinTangent:r}=this.getSkinnedNormalAndTangent();nc.assign(t),e.hasGeometryAttribute("tangent")&&Qc.assign(r)}return t}generate(e,t){if("void"!==t)return super.generate(e,t)}update(e){const t=e.object&&e.object.skeleton?e.object.skeleton:this.skinnedMesh.skeleton;Tp.get(t)!==e.frameId&&(Tp.set(t,e.frameId),null!==this.previousBoneMatricesNode&&(null===t.previousBoneMatrices&&(t.previousBoneMatrices=new Float32Array(t.boneMatrices)),t.previousBoneMatrices.set(t.boneMatrices)),t.update())}}const vp=e=>new _p(e);class Np extends ui{static get type(){return"LoopNode"}constructor(e=[]){super("void"),this.params=e}getVarName(e){return String.fromCharCode("i".charCodeAt(0)+e)}getProperties(e){const t=e.getNodeProperties(this);if(void 0!==t.stackNode)return t;const r={};for(let e=0,t=this.params.length-1;e<t;e++){const t=this.params[e],s=!0!==t.isNode&&t.name||this.getVarName(e),i=!0!==t.isNode&&t.type||"int";r[s]=gl(s,i)}const s=e.addStack(),i=this.params[this.params.length-1](r);t.returnsNode=i.context({nodeLoop:i}),t.stackNode=s;const n=this.params[0];if(!0!==n.isNode&&"function"==typeof n.update){const e=un(this.params[0].update)(r);t.updateNode=e.context({nodeLoop:e})}return e.removeStack(),t}setup(e){if(this.getProperties(e),e.fnCall){e.getDataFromNode(e.fnCall.shaderNode).hasLoop=!0}}generate(e){const t=this.getProperties(e),r=this.params,s=t.stackNode;for(let s=0,i=r.length-1;s<i;s++){const i=r[s];let n,a=!1,u=null,l=null,d=null,c=null,h=null,p=null;if(i.isNode?"bool"===i.getNodeType(e)?(a=!0,c="bool",l=i.build(e,c)):(c="int",d=this.getVarName(s),u="0",l=i.build(e,c),h="<"):(c=i.type||"int",d=i.name||this.getVarName(s),u=i.start,l=i.end,h=i.condition,p=i.update,"number"==typeof u?u=e.generateConst(c,u):u&&u.isNode&&(u=u.build(e,c)),"number"==typeof l?l=e.generateConst(c,l):l&&l.isNode&&(l=l.build(e,c)),void 0!==u&&void 0===l?(u+=" - 1",l="0",h=">="):void 0!==l&&void 0===u&&(u="0",h="<"),void 0===h&&(h=Number(u)>Number(l)?">=":"<")),a)n=`while ( ${l} )`;else{const r={start:u,end:l},s=r.start,i=r.end;let a;const g=()=>h.includes("<")?"+=":"-=";if(null!=p)switch(typeof p){case"function":a=e.flowStagesNode(t.updateNode,"void").code.replace(/\t|;/g,"");break;case"number":a=d+" "+g()+" "+e.generateConst(c,p);break;case"string":a=d+" "+p;break;default:p.isNode?a=d+" "+g()+" "+p.build(e):(o("TSL: 'Loop( { update: ... } )' is not a function, string or number.",this.stackTrace),a="break /* invalid update */")}else p="int"===c||"uint"===c?h.includes("<")?"++":"--":g()+" 1.",a=d+" "+p;n=`for ( ${e.getVar(c,d)+" = "+s}; ${d+" "+h+" "+i}; ${a} )`}e.addFlowCode((0===s?"\n":"")+e.tab+n+" {\n\n").addFlowTab()}const i=s.build(e,"void");t.returnsNode.build(e,"void"),e.removeFlowTab().addFlowCode("\n"+e.tab+i);for(let t=0,r=this.params.length-1;t<r;t++)e.addFlowCode((0===t?"":e.tab)+"}\n\n").removeFlowTab();e.addFlowTab()}}const Sp=(...e)=>new Np(tn(e,"int")).toStack(),Rp=()=>gl("break").toStack(),Ep=new WeakMap,Ap=new s,wp=un(({bufferMap:e,influence:t,stride:r,width:s,depth:i,offset:n})=>{const a=mn(up).mul(r).add(n),o=a.div(s),u=a.sub(o.mul(s));return Dl(e,xn(u,o)).depth(i).xyz.mul(t)});class Cp extends ui{static get type(){return"MorphNode"}constructor(e){super("void"),this.mesh=e,this.morphBaseInfluence=_a(1),this.updateType=Js.OBJECT}setup(e){const{geometry:r}=e,s=void 0!==r.morphAttributes.position,i=r.hasAttribute("normal")&&void 0!==r.morphAttributes.normal,n=r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color,a=void 0!==n?n.length:0,{texture:o,stride:u,size:l}=function(e){const r=void 0!==e.morphAttributes.position,s=void 0!==e.morphAttributes.normal,i=void 0!==e.morphAttributes.color,n=e.morphAttributes.position||e.morphAttributes.normal||e.morphAttributes.color,a=void 0!==n?n.length:0;let o=Ep.get(e);if(void 0===o||o.count!==a){void 0!==o&&o.texture.dispose();const u=e.morphAttributes.position||[],l=e.morphAttributes.normal||[],d=e.morphAttributes.color||[];let c=0;!0===r&&(c=1),!0===s&&(c=2),!0===i&&(c=3);let h=e.attributes.position.count*c,p=1;const g=4096;h>g&&(p=Math.ceil(h/g),h=g);const m=new Float32Array(h*p*4*a),f=new q(m,h,p,a);f.type=j,f.needsUpdate=!0;const y=4*c;for(let x=0;x<a;x++){const T=u[x],_=l[x],v=d[x],N=h*p*4*x;for(let S=0;S<T.count;S++){const R=S*y;!0===r&&(Ap.fromBufferAttribute(T,S),m[N+R+0]=Ap.x,m[N+R+1]=Ap.y,m[N+R+2]=Ap.z,m[N+R+3]=0),!0===s&&(Ap.fromBufferAttribute(_,S),m[N+R+4]=Ap.x,m[N+R+5]=Ap.y,m[N+R+6]=Ap.z,m[N+R+7]=0),!0===i&&(Ap.fromBufferAttribute(v,S),m[N+R+8]=Ap.x,m[N+R+9]=Ap.y,m[N+R+10]=Ap.z,m[N+R+11]=4===v.itemSize?Ap.w:1)}}function b(){f.dispose(),Ep.delete(e),e.removeEventListener("dispose",b)}o={count:a,texture:f,stride:c,size:new t(h,p)},Ep.set(e,o),e.addEventListener("dispose",b)}return o}(r);!0===s&&Xd.mulAssign(this.morphBaseInfluence),!0===i&&nc.mulAssign(this.morphBaseInfluence);const d=mn(l.width);Sp(a,({i:e})=>{const t=gn(0).toVar();this.mesh.count>1&&null!==this.mesh.morphTexture&&void 0!==this.mesh.morphTexture?t.assign(Dl(this.mesh.morphTexture,xn(mn(e).add(1),mn(lp))).r):t.assign(Fc("morphTargetInfluences","float").element(e).toVar()),cn(t.notEqual(0),()=>{!0===s&&Xd.addAssign(wp({bufferMap:o,influence:t,stride:u,width:d,depth:e,offset:mn(0)})),!0===i&&nc.addAssign(wp({bufferMap:o,influence:t,stride:u,width:d,depth:e,offset:mn(1)}))})})}update(){const e=this.morphBaseInfluence;this.mesh.geometry.morphTargetsRelative?e.value=1:e.value=1-this.mesh.morphTargetInfluences.reduce((e,t)=>e+t,0)}}const Mp=rn(Cp).setParameterLength(1);class Bp extends ui{static get type(){return"LightingNode"}constructor(){super("vec3"),this.isLightingNode=!0}}class Fp extends Bp{static get type(){return"AONode"}constructor(e=null){super(),this.aoNode=e}setup(e){e.context.ambientOcclusion.mulAssign(this.aoNode)}}class Lp extends xu{static get type(){return"LightingContextNode"}constructor(e,t=null,r=null,s=null){super(e),this.lightingModel=t,this.backdropNode=r,this.backdropAlphaNode=s,this._value=null}getContext(){const{backdropNode:e,backdropAlphaNode:t}=this,r={directDiffuse:vn().toVar("directDiffuse"),directSpecular:vn().toVar("directSpecular"),indirectDiffuse:vn().toVar("indirectDiffuse"),indirectSpecular:vn().toVar("indirectSpecular")};return{radiance:vn().toVar("radiance"),irradiance:vn().toVar("irradiance"),iblIrradiance:vn().toVar("iblIrradiance"),ambientOcclusion:gn(1).toVar("ambientOcclusion"),reflectedLight:r,backdrop:e,backdropAlpha:t}}setup(e){return this.value=this._value||(this._value=this.getContext()),this.value.lightingModel=this.lightingModel||e.context.lightingModel,super.setup(e)}}const Pp=rn(Lp);class Dp extends Bp{static get type(){return"IrradianceNode"}constructor(e){super(),this.node=e}setup(e){e.context.irradiance.addAssign(this.node)}}const Up=new t;class Ip extends Fl{static get type(){return"ViewportTextureNode"}constructor(e=jl,t=null,r=null){let s=null;null===r?(s=new X,s.minFilter=K,r=s):s=r,super(r,e,t),this.generateMipmaps=!1,this.defaultFramebuffer=s,this.isOutputTextureNode=!0,this.updateBeforeType=Js.RENDER,this._cacheTextures=new WeakMap}getTextureForReference(e=null){let t,r;if(this.referenceNode?(t=this.referenceNode.defaultFramebuffer,r=this.referenceNode._cacheTextures):(t=this.defaultFramebuffer,r=this._cacheTextures),null===e)return t;if(!1===r.has(e)){const s=t.clone();r.set(e,s)}return r.get(e)}updateReference(e){const t=e.renderer.getRenderTarget();return this.value=this.getTextureForReference(t),this.value}updateBefore(e){const t=e.renderer,r=t.getRenderTarget();null===r?t.getDrawingBufferSize(Up):Up.set(r.width,r.height);const s=this.getTextureForReference(r);s.image.width===Up.width&&s.image.height===Up.height||(s.image.width=Up.width,s.image.height=Up.height,s.needsUpdate=!0);const i=s.generateMipmaps;s.generateMipmaps=this.generateMipmaps,t.copyFramebufferToTexture(s),s.generateMipmaps=i}clone(){const e=new this.constructor(this.uvNode,this.levelNode,this.value);return e.generateMipmaps=this.generateMipmaps,e}}const Op=rn(Ip).setParameterLength(0,3),Vp=rn(Ip,null,null,{generateMipmaps:!0}).setParameterLength(0,3),kp=Vp(),Gp=(e=jl,t=null)=>kp.sample(e,t);let zp=null;class $p extends Ip{static get type(){return"ViewportDepthTextureNode"}constructor(e=jl,t=null){null===zp&&(zp=new Y),super(e,t,zp)}getTextureForReference(){return zp}}const Wp=rn($p).setParameterLength(0,2);class Hp extends ui{static get type(){return"ViewportDepthNode"}constructor(e,t=null){super("float"),this.scope=e,this.valueNode=t,this.isViewportDepthNode=!0}generate(e){const{scope:t}=this;return t===Hp.DEPTH_BASE?e.getFragDepth():super.generate(e)}setup({camera:e}){const{scope:t}=this,r=this.valueNode;let s=null;if(t===Hp.DEPTH_BASE)null!==r&&(s=Yp().assign(r));else if(t===Hp.DEPTH)s=e.isPerspectiveCamera?jp(Zd.z,fd,yd):qp(Zd.z,fd,yd);else if(t===Hp.LINEAR_DEPTH)if(null!==r)if(e.isPerspectiveCamera){const e=Xp(r,fd,yd);s=qp(e,fd,yd)}else s=r;else s=qp(Zd.z,fd,yd);return s}}Hp.DEPTH_BASE="depthBase",Hp.DEPTH="depth",Hp.LINEAR_DEPTH="linearDepth";const qp=(e,t,r)=>e.add(t).div(t.sub(r)),jp=(e,t,r)=>t.add(e).mul(r).div(r.sub(t).mul(e)),Xp=(e,t,r)=>t.mul(r).div(r.sub(t).mul(e).sub(r)),Kp=(e,t,r)=>{t=t.max(1e-6).toVar();const s=yo(e.negate().div(t)),i=yo(r.div(t));return s.div(i)},Yp=rn(Hp,Hp.DEPTH_BASE),Qp=sn(Hp,Hp.DEPTH),Zp=rn(Hp,Hp.LINEAR_DEPTH).setParameterLength(0,1),Jp=Zp(Wp());Qp.assign=e=>Yp(e);class eg extends ui{static get type(){return"ClippingNode"}constructor(e=eg.DEFAULT){super(),this.scope=e}setup(e){super.setup(e);const t=e.clippingContext,{intersectionPlanes:r,unionPlanes:s}=t;return this.hardwareClipping=e.material.hardwareClipping,this.scope===eg.ALPHA_TO_COVERAGE?this.setupAlphaToCoverage(r,s):this.scope===eg.HARDWARE?this.setupHardwareClipping(s,e):this.setupDefault(r,s)}setupAlphaToCoverage(e,t){return un(()=>{const r=gn().toVar("distanceToPlane"),s=gn().toVar("distanceToGradient"),i=gn(1).toVar("clipOpacity"),n=t.length;if(!1===this.hardwareClipping&&n>0){const e=kl(t).setGroup(ba);Sp(n,({i:t})=>{const n=e.element(t);r.assign(Zd.dot(n.xyz).negate().add(n.w)),s.assign(r.fwidth().div(2)),i.mulAssign(lu(s.negate(),s,r))})}const a=e.length;if(a>0){const t=kl(e).setGroup(ba),n=gn(1).toVar("intersectionClipOpacity");Sp(a,({i:e})=>{const i=t.element(e);r.assign(Zd.dot(i.xyz).negate().add(i.w)),s.assign(r.fwidth().div(2)),n.mulAssign(lu(s.negate(),s,r).oneMinus())}),i.mulAssign(n.oneMinus())}On.a.mulAssign(i),On.a.equal(0).discard()})()}setupDefault(e,t){return un(()=>{const r=t.length;if(!1===this.hardwareClipping&&r>0){const e=kl(t).setGroup(ba);Sp(r,({i:t})=>{const r=e.element(t);Zd.dot(r.xyz).greaterThan(r.w).discard()})}const s=e.length;if(s>0){const t=kl(e).setGroup(ba),r=yn(!0).toVar("clipped");Sp(s,({i:e})=>{const s=t.element(e);r.assign(Zd.dot(s.xyz).greaterThan(s.w).and(r))}),r.discard()}})()}setupHardwareClipping(e,t){const r=e.length;return t.enableHardwareClipping(r),un(()=>{const s=kl(e).setGroup(ba),i=zl(t.getClipDistance());Sp(r,({i:e})=>{const t=s.element(e),r=Zd.dot(t.xyz).sub(t.w).negate();i.element(e).assign(r)})})()}}eg.ALPHA_TO_COVERAGE="alphaToCoverage",eg.DEFAULT="default",eg.HARDWARE="hardware";const tg=un(([e])=>No(Fa(1e4,So(Fa(17,e.x).add(Fa(.1,e.y)))).mul(Ma(.1,Mo(So(Fa(13,e.y).add(e.x))))))),rg=un(([e])=>tg(bn(tg(e.xy),e.z))),sg=un(([e])=>{const t=Ho(Fo(Do(e.xyz)),Fo(Uo(e.xyz))),r=gn(1).div(gn(.05).mul(t)).toVar("pixScale"),s=bn(mo(To(yo(r))),mo(_o(yo(r)))),i=bn(rg(To(s.x.mul(e.xyz))),rg(To(s.y.mul(e.xyz)))),n=No(yo(r)),a=Ma(Fa(n.oneMinus(),i.x),Fa(n,i.y)),o=Wo(n,n.oneMinus()),u=vn(a.mul(a).div(Fa(2,o).mul(Ba(1,o))),a.sub(Fa(.5,o)).div(Ba(1,o)),Ba(1,Ba(1,a).mul(Ba(1,a)).div(Fa(2,o).mul(Ba(1,o))))),l=a.lessThan(o.oneMinus()).select(a.lessThan(o).select(u.x,u.y),u.z);return au(l,1e-6,1)}).setLayout({name:"getAlphaHashThreshold",type:"float",inputs:[{name:"position",type:"vec3"}]});class ig extends Nl{static get type(){return"VertexColorNode"}constructor(e){super(null,"vec4"),this.isVertexColorNode=!0,this.index=e}getAttributeName(){const e=this.index;return"color"+(e>0?e:"")}generate(e){const t=this.getAttributeName(e);let r;return r=!0===e.hasGeometryAttribute(t)?super.generate(e):e.generateConst(this.nodeType,new s(1,1,1,1)),r}serialize(e){super.serialize(e),e.index=this.index}deserialize(e){super.deserialize(e),this.index=e.index}}const ng=(e=0)=>new ig(e),ag=un(([e,t])=>Wo(1,e.oneMinus().div(t)).oneMinus()).setLayout({name:"blendBurn",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),og=un(([e,t])=>Wo(e.div(t.oneMinus()),1)).setLayout({name:"blendDodge",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),ug=un(([e,t])=>e.oneMinus().mul(t.oneMinus()).oneMinus()).setLayout({name:"blendScreen",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),lg=un(([e,t])=>nu(e.mul(2).mul(t),e.oneMinus().mul(2).mul(t.oneMinus()).oneMinus(),qo(.5,e))).setLayout({name:"blendOverlay",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),dg=un(([e,t])=>{const r=t.a.add(e.a.mul(t.a.oneMinus()));return En(t.rgb.mul(t.a).add(e.rgb.mul(e.a).mul(t.a.oneMinus())).div(r),r)}).setLayout({name:"blendColor",type:"vec4",inputs:[{name:"base",type:"vec4"},{name:"blend",type:"vec4"}]}),cg=un(([e])=>En(e.rgb.mul(e.a),e.a),{color:"vec4",return:"vec4"}),hg=un(([e])=>(cn(e.a.equal(0),()=>En(0)),En(e.rgb.div(e.a),e.a)),{color:"vec4",return:"vec4"});class pg extends Q{static get type(){return"NodeMaterial"}get type(){return this.constructor.type}set type(e){}constructor(){super(),this.isNodeMaterial=!0,this.fog=!0,this.lights=!1,this.hardwareClipping=!1,this.lightsNode=null,this.envNode=null,this.aoNode=null,this.colorNode=null,this.normalNode=null,this.opacityNode=null,this.backdropNode=null,this.backdropAlphaNode=null,this.alphaTestNode=null,this.maskNode=null,this.maskShadowNode=null,this.positionNode=null,this.geometryNode=null,this.depthNode=null,this.receivedShadowPositionNode=null,this.castShadowPositionNode=null,this.receivedShadowNode=null,this.castShadowNode=null,this.outputNode=null,this.mrtNode=null,this.fragmentNode=null,this.vertexNode=null,this.contextNode=null}_getNodeChildren(){const e=[];for(const t of Object.getOwnPropertyNames(this)){if(!0===t.startsWith("_"))continue;const r=this[t];r&&!0===r.isNode&&e.push({property:t,childNode:r})}return e}customProgramCacheKey(){const e=[];for(const{property:t,childNode:r}of this._getNodeChildren())e.push(Us(t.slice(0,-4)),r.getCacheKey());return this.type+Is(e)}build(e){this.setup(e)}setupObserver(e){return new Fs(e)}setup(e){e.context.setupNormal=()=>Fu(this.setupNormal(e),"NORMAL","vec3"),e.context.setupPositionView=()=>this.setupPositionView(e),e.context.setupModelViewProjection=()=>this.setupModelViewProjection(e);const t=e.renderer,r=t.getRenderTarget();!0===t.contextNode.isContextNode?e.context={...e.context,...t.contextNode.getFlowContextData()}:o('NodeMaterial: "renderer.contextNode" must be an instance of `context()`.'),null!==this.contextNode&&(!0===this.contextNode.isContextNode?e.context={...e.context,...this.contextNode.getFlowContextData()}:o('NodeMaterial: "material.contextNode" must be an instance of `context()`.')),e.addStack();const s=this.setupVertex(e),i=Fu(this.vertexNode||s,"VERTEX");let n;e.context.clipSpace=i,e.stack.outputNode=i,this.setupHardwareClipping(e),null!==this.geometryNode&&(e.stack.outputNode=e.stack.outputNode.bypass(this.geometryNode)),e.addFlow("vertex",e.removeStack()),e.addStack();const a=this.setupClipping(e);if(!0!==this.depthWrite&&!0!==this.depthTest||(null!==r?!0===r.depthBuffer&&this.setupDepth(e):!0===t.depth&&this.setupDepth(e)),null===this.fragmentNode){this.setupDiffuseColor(e),this.setupVariants(e);const s=this.setupLighting(e);null!==a&&e.stack.addToStack(a);const i=En(s,On.a).max(0);n=this.setupOutput(e,i),ia.assign(n);const o=null!==this.outputNode;if(o&&(n=this.outputNode),e.context.getOutput&&(n=e.context.getOutput(n,e)),null!==r){const e=t.getMRT(),r=this.mrtNode;null!==e?(o&&ia.assign(n),n=e,null!==r&&(n=e.merge(r))):null!==r&&(n=r)}}else{let t=this.fragmentNode;!0!==t.isOutputStructNode&&(t=En(t)),n=this.setupOutput(e,t)}e.stack.outputNode=n,e.addFlow("fragment",e.removeStack()),e.observer=this.setupObserver(e)}setupClipping(e){if(null===e.clippingContext)return null;const{unionPlanes:t,intersectionPlanes:r}=e.clippingContext;let s=null;if(t.length>0||r.length>0){const t=e.renderer.currentSamples;this.alphaToCoverage&&t>1?s=new eg(eg.ALPHA_TO_COVERAGE):e.stack.addToStack(new eg)}return s}setupHardwareClipping(e){if(this.hardwareClipping=!1,null===e.clippingContext)return;const t=e.clippingContext.unionPlanes.length;t>0&&t<=8&&e.isAvailable("clipDistance")&&(e.stack.addToStack(new eg(eg.HARDWARE)),this.hardwareClipping=!0)}setupDepth(e){const{renderer:t,camera:r}=e;let s=this.depthNode;if(null===s){const e=t.getMRT();e&&e.has("depth")?s=e.get("depth"):!0===t.logarithmicDepthBuffer&&(s=r.isPerspectiveCamera?Kp(Zd.z,fd,yd):qp(Zd.z,fd,yd))}null!==s&&Qp.assign(s).toStack()}setupPositionView(){return zd.mul(Xd).xyz}setupModelViewProjection(){return bd.mul(Zd)}setupVertex(e){return e.addStack(),this.setupPosition(e),e.context.position=e.removeStack(),rp}setupPosition(e){const{object:t,geometry:r}=e;if((r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color)&&Mp(t).toStack(),!0===t.isSkinnedMesh&&vp(t).toStack(),this.displacementMap){const e=Dc("displacementMap","texture"),t=Dc("displacementScale","float"),r=Dc("displacementBias","float");Xd.addAssign(nc.normalize().mul(e.x.mul(t).add(r)))}return t.isBatchedMesh&&xp(t).toStack(),t.isInstancedMesh&&t.instanceMatrix&&!0===t.instanceMatrix.isInstancedBufferAttribute&&yp(t).toStack(),null!==this.positionNode&&Xd.assign(Fu(this.positionNode,"POSITION","vec3")),Xd}setupDiffuseColor(e){const{object:t,geometry:r}=e;null!==this.maskNode&&yn(this.maskNode).not().discard();let s=this.colorNode?En(this.colorNode):xh;if(!0===this.vertexColors&&r.hasAttribute("color")&&(s=s.mul(ng())),t.instanceColor){s=In("vec3","vInstanceColor").mul(s)}if(t.isBatchedMesh&&t._colorsTexture){s=In("vec3","vBatchColor").mul(s)}On.assign(s);const i=this.opacityNode?gn(this.opacityNode):vh;On.a.assign(On.a.mul(i));let n=null;(null!==this.alphaTestNode||this.alphaTest>0)&&(n=null!==this.alphaTestNode?gn(this.alphaTestNode):bh,!0===this.alphaToCoverage?(On.a=lu(n,n.add(ko(On.a)),On.a),On.a.lessThanEqual(0).discard()):On.a.lessThanEqual(n).discard()),!0===this.alphaHash&&On.a.lessThan(sg(Xd)).discard(),e.isOpaque()&&On.a.assign(1)}setupVariants(){}setupOutgoingLight(){return!0===this.lights?vn(0):On.rgb}setupNormal(){return this.normalNode?vn(this.normalNode):Mh}setupEnvironment(){let e=null;return this.envNode?e=this.envNode:this.envMap&&(e=this.envMap.isCubeTexture?Dc("envMap","cubeTexture"):Dc("envMap","texture")),e}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new Dp(Jh)),t}setupLights(e){const t=[],r=this.setupEnvironment(e);r&&r.isLightingNode&&t.push(r);const s=this.setupLightMap(e);s&&s.isLightingNode&&t.push(s);let i=this.aoNode;null===i&&e.material.aoMap&&(i=ep),e.context.getAO&&(i=e.context.getAO(i,e)),i&&t.push(new Fp(i));let n=this.lightsNode||e.lightsNode;return t.length>0&&(n=e.renderer.lighting.createNode([...n.getLights(),...t])),n}setupLightingModel(){}setupLighting(e){const{material:t}=e,{backdropNode:r,backdropAlphaNode:s,emissiveNode:i}=this,n=!0===this.lights||null!==this.lightsNode?this.setupLights(e):null;let a=this.setupOutgoingLight(e);if(n&&n.getScope().hasLights){const t=this.setupLightingModel(e)||null;a=Pp(n,t,r,s)}else null!==r&&(a=vn(null!==s?nu(a,r,s):r));return(i&&!0===i.isNode||t.emissive&&!0===t.emissive.isColor)&&(kn.assign(vn(i||_h)),a=a.add(kn)),a}setupFog(e,t){const r=e.fogNode;return r&&(ia.assign(t),t=En(r.toVar())),t}setupPremultipliedAlpha(e,t){return cg(t)}setupOutput(e,t){return!0===this.fog&&(t=this.setupFog(e,t)),!0===this.premultipliedAlpha&&(t=this.setupPremultipliedAlpha(e,t)),t}setDefaultValues(e){for(const t in e){const r=e[t];void 0===this[t]&&(this[t]=r,r&&r.clone&&(this[t]=r.clone()))}const t=Object.getOwnPropertyDescriptors(e.constructor.prototype);for(const e in t)void 0===Object.getOwnPropertyDescriptor(this.constructor.prototype,e)&&void 0!==t[e].get&&Object.defineProperty(this.constructor.prototype,e,t[e])}toJSON(e){const t=void 0===e||"string"==typeof e;t&&(e={textures:{},images:{},nodes:{}});const r=Q.prototype.toJSON.call(this,e);r.inputNodes={};for(const{property:t,childNode:s}of this._getNodeChildren())r.inputNodes[t]=s.toJSON(e).uuid;function s(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(t){const t=s(e.textures),i=s(e.images),n=s(e.nodes);t.length>0&&(r.textures=t),i.length>0&&(r.images=i),n.length>0&&(r.nodes=n)}return r}copy(e){return this.lightsNode=e.lightsNode,this.envNode=e.envNode,this.aoNode=e.aoNode,this.colorNode=e.colorNode,this.normalNode=e.normalNode,this.opacityNode=e.opacityNode,this.backdropNode=e.backdropNode,this.backdropAlphaNode=e.backdropAlphaNode,this.alphaTestNode=e.alphaTestNode,this.maskNode=e.maskNode,this.maskShadowNode=e.maskShadowNode,this.positionNode=e.positionNode,this.geometryNode=e.geometryNode,this.depthNode=e.depthNode,this.receivedShadowPositionNode=e.receivedShadowPositionNode,this.castShadowPositionNode=e.castShadowPositionNode,this.receivedShadowNode=e.receivedShadowNode,this.castShadowNode=e.castShadowNode,this.outputNode=e.outputNode,this.mrtNode=e.mrtNode,this.fragmentNode=e.fragmentNode,this.vertexNode=e.vertexNode,this.contextNode=e.contextNode,super.copy(e)}}const gg=new Z;class mg extends pg{static get type(){return"LineBasicNodeMaterial"}constructor(e){super(),this.isLineBasicNodeMaterial=!0,this.setDefaultValues(gg),this.setValues(e)}}const fg=new J;class yg extends pg{static get type(){return"LineDashedNodeMaterial"}constructor(e){super(),this.isLineDashedNodeMaterial=!0,this.setDefaultValues(fg),this.dashOffset=0,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.setValues(e)}setupVariants(){const e=this.offsetNode?gn(this.offsetNode):Yh,t=this.dashScaleNode?gn(this.dashScaleNode):qh,r=this.dashSizeNode?gn(this.dashSizeNode):jh,s=this.gapSizeNode?gn(this.gapSizeNode):Xh;na.assign(r),aa.assign(s);const i=Pu(Sl("lineDistance").mul(t));(e?i.add(e):i).mod(na.add(aa)).greaterThan(na).discard()}}const bg=new J;class xg extends pg{static get type(){return"Line2NodeMaterial"}constructor(e={}){super(),this.isLine2NodeMaterial=!0,this.setDefaultValues(bg),this.vertexColors=e.vertexColors,this.dashOffset=0,this.lineColorNode=null,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.blending=ee,this._useDash=e.dashed,this._useAlphaToCoverage=!0,this._useWorldUnits=!1,this.setValues(e)}setup(e){const{renderer:t}=e,r=this._useAlphaToCoverage,s=this.vertexColors,i=this._useDash,n=this._useWorldUnits,a=un(({start:e,end:t})=>{const r=bd.element(2).element(2),s=bd.element(3).element(2).mul(-.5).div(r).sub(e.z).div(t.z.sub(e.z));return En(nu(e.xyz,t.xyz,s),t.w)}).setLayout({name:"trimSegment",type:"vec4",inputs:[{name:"start",type:"vec4"},{name:"end",type:"vec4"}]});this.vertexNode=un(()=>{const e=Sl("instanceStart"),t=Sl("instanceEnd"),r=En(zd.mul(En(e,1))).toVar("start"),s=En(zd.mul(En(t,1))).toVar("end");if(i){const e=this.dashScaleNode?gn(this.dashScaleNode):qh,t=this.offsetNode?gn(this.offsetNode):Yh,r=Sl("instanceDistanceStart"),s=Sl("instanceDistanceEnd");let i=jd.y.lessThan(.5).select(e.mul(r),e.mul(s));i=i.add(t),In("float","lineDistance").assign(i)}n&&(In("vec3","worldStart").assign(r.xyz),In("vec3","worldEnd").assign(s.xyz));const o=Yl.z.div(Yl.w),u=bd.element(2).element(3).equal(-1);cn(u,()=>{cn(r.z.lessThan(0).and(s.z.greaterThan(0)),()=>{s.assign(a({start:r,end:s}))}).ElseIf(s.z.lessThan(0).and(r.z.greaterThanEqual(0)),()=>{r.assign(a({start:s,end:r}))})});const l=bd.mul(r),d=bd.mul(s),c=l.xyz.div(l.w),h=d.xyz.div(d.w),p=h.xy.sub(c.xy).toVar();p.x.assign(p.x.mul(o)),p.assign(p.normalize());const g=En().toVar();if(n){const e=s.xyz.sub(r.xyz).normalize(),t=nu(r.xyz,s.xyz,.5).normalize(),n=e.cross(t).normalize(),a=e.cross(n),o=In("vec4","worldPos");o.assign(jd.y.lessThan(.5).select(r,s));const u=Kh.mul(.5);o.addAssign(En(jd.x.lessThan(0).select(n.mul(u),n.mul(u).negate()),0)),i||(o.addAssign(En(jd.y.lessThan(.5).select(e.mul(u).negate(),e.mul(u)),0)),o.addAssign(En(a.mul(u),0)),cn(jd.y.greaterThan(1).or(jd.y.lessThan(0)),()=>{o.subAssign(En(a.mul(2).mul(u),0))})),g.assign(bd.mul(o));const l=vn().toVar();l.assign(jd.y.lessThan(.5).select(c,h)),g.z.assign(l.z.mul(g.w))}else{const e=bn(p.y,p.x.negate()).toVar("offset");p.x.assign(p.x.div(o)),e.x.assign(e.x.div(o)),e.assign(jd.x.lessThan(0).select(e.negate(),e)),cn(jd.y.lessThan(0),()=>{e.assign(e.sub(p))}).ElseIf(jd.y.greaterThan(1),()=>{e.assign(e.add(p))}),e.assign(e.mul(Kh)),e.assign(e.div(Yl.w.div(ql))),g.assign(jd.y.lessThan(.5).select(l,d)),e.assign(e.mul(g.w)),g.assign(g.add(En(e,0,0)))}return g})();const o=un(({p1:e,p2:t,p3:r,p4:s})=>{const i=e.sub(r),n=s.sub(r),a=t.sub(e),o=i.dot(n),u=n.dot(a),l=i.dot(a),d=n.dot(n),c=a.dot(a).mul(d).sub(u.mul(u)),h=o.mul(u).sub(l.mul(d)).div(c).clamp(),p=o.add(u.mul(h)).div(d).clamp();return bn(h,p)});if(this.colorNode=un(()=>{const e=Rl();if(i){const t=this.dashSizeNode?gn(this.dashSizeNode):jh,r=this.gapSizeNode?gn(this.gapSizeNode):Xh;na.assign(t),aa.assign(r);const s=In("float","lineDistance");e.y.lessThan(-1).or(e.y.greaterThan(1)).discard(),s.mod(na.add(aa)).greaterThan(na).discard()}const a=gn(1).toVar("alpha");if(n){const e=In("vec3","worldStart"),s=In("vec3","worldEnd"),n=In("vec4","worldPos").xyz.normalize().mul(1e5),u=s.sub(e),l=o({p1:e,p2:s,p3:vn(0,0,0),p4:n}),d=e.add(u.mul(l.x)),c=n.mul(l.y),h=d.sub(c).length().div(Kh);if(!i)if(r&&t.currentSamples>0){const e=h.fwidth();a.assign(lu(e.negate().add(.5),e.add(.5),h).oneMinus())}else h.greaterThan(.5).discard()}else if(r&&t.currentSamples>0){const t=e.x,r=e.y.greaterThan(0).select(e.y.sub(1),e.y.add(1)),s=t.mul(t).add(r.mul(r)),i=gn(s.fwidth()).toVar("dlen");cn(e.y.abs().greaterThan(1),()=>{a.assign(lu(i.oneMinus(),i.add(1),s).oneMinus())})}else cn(e.y.abs().greaterThan(1),()=>{const t=e.x,r=e.y.greaterThan(0).select(e.y.sub(1),e.y.add(1));t.mul(t).add(r.mul(r)).greaterThan(1).discard()});let u;if(this.lineColorNode)u=this.lineColorNode;else if(s){const e=Sl("instanceColorStart"),t=Sl("instanceColorEnd");u=jd.y.lessThan(.5).select(e,t).mul(xh)}else u=xh;return En(u,a)})(),this.transparent){const e=this.opacityNode?gn(this.opacityNode):vh;this.outputNode=En(this.colorNode.rgb.mul(e).add(Gp().rgb.mul(e.oneMinus())),this.colorNode.a)}super.setup(e)}get worldUnits(){return this._useWorldUnits}set worldUnits(e){this._useWorldUnits!==e&&(this._useWorldUnits=e,this.needsUpdate=!0)}get dashed(){return this._useDash}set dashed(e){this._useDash!==e&&(this._useDash=e,this.needsUpdate=!0)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}const Tg=new te;class _g extends pg{static get type(){return"MeshNormalNodeMaterial"}constructor(e){super(),this.isMeshNormalNodeMaterial=!0,this.setDefaultValues(Tg),this.setValues(e)}setupDiffuseColor(){const e=this.opacityNode?gn(this.opacityNode):vh;On.assign(Gu(En(uh(lc),e),re))}}const vg=un(([e=Qd])=>{const t=e.z.atan(e.x).mul(1/(2*Math.PI)).add(.5),r=e.y.clamp(-1,1).asin().mul(1/Math.PI).add(.5);return bn(t,r)});class Ng extends se{constructor(e=1,t={}){super(e,e,t),this.isCubeRenderTarget=!0;const r={width:e,height:e,depth:1},s=[r,r,r,r,r,r];this.texture=new L(s),this._setTextureOptions(t),this.texture.isRenderTargetTexture=!0}fromEquirectangularTexture(e,t){const r=t.minFilter,s=t.generateMipmaps;t.generateMipmaps=!0,this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const i=new ie(5,5,5),n=vg(Qd),a=new pg;a.colorNode=Pl(t,n,0),a.side=M,a.blending=ee;const o=new ne(i,a),u=new ae;u.add(o),t.minFilter===K&&(t.minFilter=oe);const l=new ue(1,10,this),d=e.getMRT();return e.setMRT(null),l.update(e,u),e.setMRT(d),t.minFilter=r,t.currentGenerateMipmaps=s,o.geometry.dispose(),o.material.dispose(),this}clear(e,t=!0,r=!0,s=!0){const i=e.getRenderTarget();for(let i=0;i<6;i++)e.setRenderTarget(this,i),e.clear(t,r,s);e.setRenderTarget(i)}}const Sg=new WeakMap;class Rg extends ci{static get type(){return"CubeMapNode"}constructor(e){super("vec3"),this.envNode=e,this._cubeTexture=null,this._cubeTextureNode=Cc(null);const t=new L;t.isRenderTargetTexture=!0,this._defaultTexture=t,this.updateBeforeType=Js.RENDER}updateBefore(e){const{renderer:t,material:r}=e,s=this.envNode;if(s.isTextureNode||s.isMaterialReferenceNode){const e=s.isTextureNode?s.value:r[s.property];if(e&&e.isTexture){const r=e.mapping;if(r===le||r===de){if(Sg.has(e)){const t=Sg.get(e);Ag(t,e.mapping),this._cubeTexture=t}else{const r=e.image;if(function(e){return null!=e&&e.height>0}(r)){const s=new Ng(r.height);s.fromEquirectangularTexture(t,e),Ag(s.texture,e.mapping),this._cubeTexture=s.texture,Sg.set(e,s.texture),e.addEventListener("dispose",Eg)}else this._cubeTexture=this._defaultTexture}this._cubeTextureNode.value=this._cubeTexture}else this._cubeTextureNode=this.envNode}}}setup(e){return this.updateBefore(e),this._cubeTextureNode}}function Eg(e){const t=e.target;t.removeEventListener("dispose",Eg);const r=Sg.get(t);void 0!==r&&(Sg.delete(t),r.dispose())}function Ag(e,t){t===le?e.mapping=P:t===de&&(e.mapping=D)}const wg=rn(Rg).setParameterLength(1);class Cg extends Bp{static get type(){return"BasicEnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){e.context.environment=wg(this.envNode)}}class Mg extends Bp{static get type(){return"BasicLightMapNode"}constructor(e=null){super(),this.lightMapNode=e}setup(e){const t=gn(1/Math.PI);e.context.irradianceLightMap=this.lightMapNode.mul(t)}}class Bg{start(e){e.lightsNode.setupLights(e,e.lightsNode.getLightNodes(e)),this.indirect(e)}finish(){}direct(){}directRectArea(){}indirect(){}ambientOcclusion(){}}class Fg extends Bg{constructor(){super()}indirect({context:e}){const t=e.ambientOcclusion,r=e.reflectedLight,s=e.irradianceLightMap;r.indirectDiffuse.assign(En(0)),s?r.indirectDiffuse.addAssign(s):r.indirectDiffuse.addAssign(En(1,1,1,0)),r.indirectDiffuse.mulAssign(t),r.indirectDiffuse.mulAssign(On.rgb)}finish(e){const{material:t,context:r}=e,s=r.outgoingLight,i=e.context.environment;if(i)switch(t.combine){case pe:s.rgb.assign(nu(s.rgb,s.rgb.mul(i.rgb),Eh.mul(Ah)));break;case he:s.rgb.assign(nu(s.rgb,i.rgb,Eh.mul(Ah)));break;case ce:s.rgb.addAssign(i.rgb.mul(Eh.mul(Ah)));break;default:d("BasicLightingModel: Unsupported .combine value:",t.combine)}}}const Lg=new ge;class Pg extends pg{static get type(){return"MeshBasicNodeMaterial"}constructor(e){super(),this.isMeshBasicNodeMaterial=!0,this.lights=!0,this.setDefaultValues(Lg),this.setValues(e)}setupNormal(){return sc(oc)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Cg(t):null}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new Mg(Jh)),t}setupOutgoingLight(){return On.rgb}setupLightingModel(){return new Fg}}const Dg=un(({f0:e,f90:t,dotVH:r})=>{const s=r.mul(-5.55473).sub(6.98316).mul(r).exp2();return e.mul(s.oneMinus()).add(t.mul(s))}),Ug=un(e=>e.diffuseColor.mul(1/Math.PI)),Ig=un(({dotNH:e})=>sa.mul(gn(.5)).add(1).mul(gn(1/Math.PI)).mul(e.pow(sa))),Og=un(({lightDirection:e})=>{const t=e.add(Jd).normalize(),r=lc.dot(t).clamp(),s=Jd.dot(t).clamp(),i=Dg({f0:ea,f90:1,dotVH:s}),n=gn(.25),a=Ig({dotNH:r});return i.mul(n).mul(a)});class Vg extends Fg{constructor(e=!0){super(),this.specular=e}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=lc.dot(e).clamp().mul(t);r.directDiffuse.addAssign(s.mul(Ug({diffuseColor:On.rgb}))),!0===this.specular&&r.directSpecular.addAssign(s.mul(Og({lightDirection:e})).mul(Eh))}indirect(e){const{ambientOcclusion:t,irradiance:r,reflectedLight:s}=e.context;s.indirectDiffuse.addAssign(r.mul(Ug({diffuseColor:On}))),s.indirectDiffuse.mulAssign(t)}}const kg=new me;class Gg extends pg{static get type(){return"MeshLambertNodeMaterial"}constructor(e){super(),this.isMeshLambertNodeMaterial=!0,this.lights=!0,this.setDefaultValues(kg),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Cg(t):null}setupLightingModel(){return new Vg(!1)}}const zg=new fe;class $g extends pg{static get type(){return"MeshPhongNodeMaterial"}constructor(e){super(),this.isMeshPhongNodeMaterial=!0,this.lights=!0,this.shininessNode=null,this.specularNode=null,this.setDefaultValues(zg),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Cg(t):null}setupLightingModel(){return new Vg}setupVariants(){const e=(this.shininessNode?gn(this.shininessNode):Th).max(1e-4);sa.assign(e);const t=this.specularNode||Nh;ea.assign(t)}copy(e){return this.shininessNode=e.shininessNode,this.specularNode=e.specularNode,super.copy(e)}}const Wg=un(e=>{if(!1===e.geometry.hasAttribute("normal"))return gn(0);const t=oc.dFdx().abs().max(oc.dFdy().abs());return t.x.max(t.y).max(t.z)}),Hg=un(e=>{const{roughness:t}=e,r=Wg();let s=t.max(.0525);return s=s.add(r),s=s.min(1),s}),qg=un(({alpha:e,dotNL:t,dotNV:r})=>{const s=e.pow2(),i=t.mul(s.add(s.oneMinus().mul(r.pow2())).sqrt()),n=r.mul(s.add(s.oneMinus().mul(t.pow2())).sqrt());return La(.5,i.add(n).max(so))}).setLayout({name:"V_GGX_SmithCorrelated",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNL",type:"float"},{name:"dotNV",type:"float"}]}),jg=un(({alphaT:e,alphaB:t,dotTV:r,dotBV:s,dotTL:i,dotBL:n,dotNV:a,dotNL:o})=>{const u=o.mul(vn(e.mul(r),t.mul(s),a).length()),l=a.mul(vn(e.mul(i),t.mul(n),o).length());return La(.5,u.add(l))}).setLayout({name:"V_GGX_SmithCorrelated_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotTV",type:"float",qualifier:"in"},{name:"dotBV",type:"float",qualifier:"in"},{name:"dotTL",type:"float",qualifier:"in"},{name:"dotBL",type:"float",qualifier:"in"},{name:"dotNV",type:"float",qualifier:"in"},{name:"dotNL",type:"float",qualifier:"in"}]}),Xg=un(({alpha:e,dotNH:t})=>{const r=e.pow2(),s=t.pow2().mul(r.oneMinus()).oneMinus();return r.div(s.pow2()).mul(1/Math.PI)}).setLayout({name:"D_GGX",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNH",type:"float"}]}),Kg=gn(1/Math.PI),Yg=un(({alphaT:e,alphaB:t,dotNH:r,dotTH:s,dotBH:i})=>{const n=e.mul(t),a=vn(t.mul(s),e.mul(i),n.mul(r)),o=a.dot(a),u=n.div(o);return Kg.mul(n.mul(u.pow2()))}).setLayout({name:"D_GGX_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotNH",type:"float",qualifier:"in"},{name:"dotTH",type:"float",qualifier:"in"},{name:"dotBH",type:"float",qualifier:"in"}]}),Qg=un(({lightDirection:e,f0:t,f90:r,roughness:s,f:i,normalView:n=lc,USE_IRIDESCENCE:a,USE_ANISOTROPY:o})=>{const u=s.pow2(),l=e.add(Jd).normalize(),d=n.dot(e).clamp(),c=n.dot(Jd).clamp(),h=n.dot(l).clamp(),p=Jd.dot(l).clamp();let g,m,f=Dg({f0:t,f90:r,dotVH:p});if(Ki(a)&&(f=jn.mix(f,i)),Ki(o)){const t=Zn.dot(e),r=Zn.dot(Jd),s=Zn.dot(l),i=Jn.dot(e),n=Jn.dot(Jd),a=Jn.dot(l);g=jg({alphaT:Yn,alphaB:u,dotTV:r,dotBV:n,dotTL:t,dotBL:i,dotNV:c,dotNL:d}),m=Yg({alphaT:Yn,alphaB:u,dotNH:h,dotTH:s,dotBH:a})}else g=qg({alpha:u,dotNL:d,dotNV:c}),m=Xg({alpha:u,dotNH:h});return f.mul(g).mul(m)}),Zg=new 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Jg=null;const em=un(({roughness:e,dotNV:t})=>{null===Jg&&(Jg=new ye(Zg,16,16,G,be),Jg.name="DFG_LUT",Jg.minFilter=oe,Jg.magFilter=oe,Jg.wrapS=xe,Jg.wrapT=xe,Jg.generateMipmaps=!1,Jg.needsUpdate=!0);const r=bn(e,t);return Pl(Jg,r).rg}),tm=un(({lightDirection:e,f0:t,f90:r,roughness:s,f:i,USE_IRIDESCENCE:n,USE_ANISOTROPY:a})=>{const o=Qg({lightDirection:e,f0:t,f90:r,roughness:s,f:i,USE_IRIDESCENCE:n,USE_ANISOTROPY:a}),u=lc.dot(e).clamp(),l=lc.dot(Jd).clamp(),d=em({roughness:s,dotNV:l}),c=em({roughness:s,dotNV:u}),h=t.mul(d.x).add(r.mul(d.y)),p=t.mul(c.x).add(r.mul(c.y)),g=d.x.add(d.y),m=c.x.add(c.y),f=gn(1).sub(g),y=gn(1).sub(m),b=t.add(t.oneMinus().mul(.047619)),x=h.mul(p).mul(b).div(gn(1).sub(f.mul(y).mul(b).mul(b)).add(so)),T=f.mul(y),_=x.mul(T);return o.add(_)}),rm=un(e=>{const{dotNV:t,specularColor:r,specularF90:s,roughness:i}=e,n=em({dotNV:t,roughness:i});return r.mul(n.x).add(s.mul(n.y))}),sm=un(({f:e,f90:t,dotVH:r})=>{const s=r.oneMinus().saturate(),i=s.mul(s),n=s.mul(i,i).clamp(0,.9999);return e.sub(vn(t).mul(n)).div(n.oneMinus())}).setLayout({name:"Schlick_to_F0",type:"vec3",inputs:[{name:"f",type:"vec3"},{name:"f90",type:"float"},{name:"dotVH",type:"float"}]}),im=un(({roughness:e,dotNH:t})=>{const r=e.pow2(),s=gn(1).div(r),i=t.pow2().oneMinus().max(.0078125);return gn(2).add(s).mul(i.pow(s.mul(.5))).div(2*Math.PI)}).setLayout({name:"D_Charlie",type:"float",inputs:[{name:"roughness",type:"float"},{name:"dotNH",type:"float"}]}),nm=un(({dotNV:e,dotNL:t})=>gn(1).div(gn(4).mul(t.add(e).sub(t.mul(e))))).setLayout({name:"V_Neubelt",type:"float",inputs:[{name:"dotNV",type:"float"},{name:"dotNL",type:"float"}]}),am=un(({lightDirection:e})=>{const t=e.add(Jd).normalize(),r=lc.dot(e).clamp(),s=lc.dot(Jd).clamp(),i=lc.dot(t).clamp(),n=im({roughness:qn,dotNH:i}),a=nm({dotNV:s,dotNL:r});return Hn.mul(n).mul(a)}),om=un(({N:e,V:t,roughness:r})=>{const s=e.dot(t).saturate(),i=bn(r,s.oneMinus().sqrt());return i.assign(i.mul(.984375).add(.0078125)),i}).setLayout({name:"LTC_Uv",type:"vec2",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"roughness",type:"float"}]}),um=un(({f:e})=>{const t=e.length();return Ho(t.mul(t).add(e.z).div(t.add(1)),0)}).setLayout({name:"LTC_ClippedSphereFormFactor",type:"float",inputs:[{name:"f",type:"vec3"}]}),lm=un(({v1:e,v2:t})=>{const r=e.dot(t),s=r.abs().toVar(),i=s.mul(.0145206).add(.4965155).mul(s).add(.8543985).toVar(),n=s.add(4.1616724).mul(s).add(3.417594).toVar(),a=i.div(n),o=r.greaterThan(0).select(a,Ho(r.mul(r).oneMinus(),1e-7).inverseSqrt().mul(.5).sub(a));return e.cross(t).mul(o)}).setLayout({name:"LTC_EdgeVectorFormFactor",type:"vec3",inputs:[{name:"v1",type:"vec3"},{name:"v2",type:"vec3"}]}),dm=un(({N:e,V:t,P:r,mInv:s,p0:i,p1:n,p2:a,p3:o})=>{const u=n.sub(i).toVar(),l=o.sub(i).toVar(),d=u.cross(l),c=vn().toVar();return cn(d.dot(r.sub(i)).greaterThanEqual(0),()=>{const u=t.sub(e.mul(t.dot(e))).normalize(),l=e.cross(u).negate(),d=s.mul(Bn(u,l,e).transpose()).toVar(),h=d.mul(i.sub(r)).normalize().toVar(),p=d.mul(n.sub(r)).normalize().toVar(),g=d.mul(a.sub(r)).normalize().toVar(),m=d.mul(o.sub(r)).normalize().toVar(),f=vn(0).toVar();f.addAssign(lm({v1:h,v2:p})),f.addAssign(lm({v1:p,v2:g})),f.addAssign(lm({v1:g,v2:m})),f.addAssign(lm({v1:m,v2:h})),c.assign(vn(um({f:f})))}),c}).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"P",type:"vec3"},{name:"mInv",type:"mat3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),cm=un(({P:e,p0:t,p1:r,p2:s,p3:i})=>{const n=r.sub(t).toVar(),a=i.sub(t).toVar(),o=n.cross(a),u=vn().toVar();return cn(o.dot(e.sub(t)).greaterThanEqual(0),()=>{const n=t.sub(e).normalize().toVar(),a=r.sub(e).normalize().toVar(),o=s.sub(e).normalize().toVar(),l=i.sub(e).normalize().toVar(),d=vn(0).toVar();d.addAssign(lm({v1:n,v2:a})),d.addAssign(lm({v1:a,v2:o})),d.addAssign(lm({v1:o,v2:l})),d.addAssign(lm({v1:l,v2:n})),u.assign(vn(um({f:d.abs()})))}),u}).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"P",type:"vec3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),hm=1/6,pm=e=>Fa(hm,Fa(e,Fa(e,e.negate().add(3)).sub(3)).add(1)),gm=e=>Fa(hm,Fa(e,Fa(e,Fa(3,e).sub(6))).add(4)),mm=e=>Fa(hm,Fa(e,Fa(e,Fa(-3,e).add(3)).add(3)).add(1)),fm=e=>Fa(hm,Zo(e,3)),ym=e=>pm(e).add(gm(e)),bm=e=>mm(e).add(fm(e)),xm=e=>Ma(-1,gm(e).div(pm(e).add(gm(e)))),Tm=e=>Ma(1,fm(e).div(mm(e).add(fm(e)))),_m=(e,t,r)=>{const s=e.uvNode,i=Fa(s,t.zw).add(.5),n=To(i),a=No(i),o=ym(a.x),u=bm(a.x),l=xm(a.x),d=Tm(a.x),c=xm(a.y),h=Tm(a.y),p=bn(n.x.add(l),n.y.add(c)).sub(.5).mul(t.xy),g=bn(n.x.add(d),n.y.add(c)).sub(.5).mul(t.xy),m=bn(n.x.add(l),n.y.add(h)).sub(.5).mul(t.xy),f=bn(n.x.add(d),n.y.add(h)).sub(.5).mul(t.xy),y=ym(a.y).mul(Ma(o.mul(e.sample(p).level(r)),u.mul(e.sample(g).level(r)))),b=bm(a.y).mul(Ma(o.mul(e.sample(m).level(r)),u.mul(e.sample(f).level(r))));return y.add(b)},vm=un(([e,t])=>{const r=bn(e.size(mn(t))),s=bn(e.size(mn(t.add(1)))),i=La(1,r),n=La(1,s),a=_m(e,En(i,r),To(t)),o=_m(e,En(n,s),_o(t));return No(t).mix(a,o)}),Nm=un(([e,t])=>{const r=t.mul(Cl(e));return vm(e,r)}),Sm=un(([e,t,r,s,i])=>{const n=vn(uu(t.negate(),vo(e),La(1,s))),a=vn(Fo(i[0].xyz),Fo(i[1].xyz),Fo(i[2].xyz));return vo(n).mul(r.mul(a))}).setLayout({name:"getVolumeTransmissionRay",type:"vec3",inputs:[{name:"n",type:"vec3"},{name:"v",type:"vec3"},{name:"thickness",type:"float"},{name:"ior",type:"float"},{name:"modelMatrix",type:"mat4"}]}),Rm=un(([e,t])=>e.mul(au(t.mul(2).sub(2),0,1))).setLayout({name:"applyIorToRoughness",type:"float",inputs:[{name:"roughness",type:"float"},{name:"ior",type:"float"}]}),Em=Vp(),Am=Gp(),wm=un(([e,t,r],{material:s})=>{const i=(s.side===M?Em:Am).sample(e),n=yo(Xl.x).mul(Rm(t,r));return vm(i,n)}),Cm=un(([e,t,r])=>(cn(r.notEqual(0),()=>{const s=fo(t).negate().div(r);return go(s.negate().mul(e))}),vn(1))).setLayout({name:"volumeAttenuation",type:"vec3",inputs:[{name:"transmissionDistance",type:"float"},{name:"attenuationColor",type:"vec3"},{name:"attenuationDistance",type:"float"}]}),Mm=un(([e,t,r,s,i,n,a,o,u,l,d,c,h,p,g])=>{let m,f;if(g){m=En().toVar(),f=vn().toVar();const i=d.sub(1).mul(g.mul(.025)),n=vn(d.sub(i),d,d.add(i));Sp({start:0,end:3},({i:i})=>{const d=n.element(i),g=Sm(e,t,c,d,o),y=a.add(g),b=l.mul(u.mul(En(y,1))),x=bn(b.xy.div(b.w)).toVar();x.addAssign(1),x.divAssign(2),x.assign(bn(x.x,x.y.oneMinus()));const T=wm(x,r,d);m.element(i).assign(T.element(i)),m.a.addAssign(T.a),f.element(i).assign(s.element(i).mul(Cm(Fo(g),h,p).element(i)))}),m.a.divAssign(3)}else{const i=Sm(e,t,c,d,o),n=a.add(i),g=l.mul(u.mul(En(n,1))),y=bn(g.xy.div(g.w)).toVar();y.addAssign(1),y.divAssign(2),y.assign(bn(y.x,y.y.oneMinus())),m=wm(y,r,d),f=s.mul(Cm(Fo(i),h,p))}const y=f.rgb.mul(m.rgb),b=e.dot(t).clamp(),x=vn(rm({dotNV:b,specularColor:i,specularF90:n,roughness:r})),T=f.r.add(f.g,f.b).div(3);return En(x.oneMinus().mul(y),m.a.oneMinus().mul(T).oneMinus())}),Bm=Bn(3.2404542,-.969266,.0556434,-1.5371385,1.8760108,-.2040259,-.4985314,.041556,1.0572252),Fm=(e,t)=>e.sub(t).div(e.add(t)).pow2(),Lm=un(({outsideIOR:e,eta2:t,cosTheta1:r,thinFilmThickness:s,baseF0:i})=>{const n=nu(e,t,lu(0,.03,s)),a=e.div(n).pow2().mul(r.pow2().oneMinus()).oneMinus();cn(a.lessThan(0),()=>vn(1));const o=a.sqrt(),u=Fm(n,e),l=Dg({f0:u,f90:1,dotVH:r}),d=l.oneMinus(),c=n.lessThan(e).select(Math.PI,0),h=gn(Math.PI).sub(c),p=(e=>{const t=e.sqrt();return vn(1).add(t).div(vn(1).sub(t))})(i.clamp(0,.9999)),g=Fm(p,n.toVec3()),m=Dg({f0:g,f90:1,dotVH:o}),f=vn(p.x.lessThan(n).select(Math.PI,0),p.y.lessThan(n).select(Math.PI,0),p.z.lessThan(n).select(Math.PI,0)),y=n.mul(s,o,2),b=vn(h).add(f),x=l.mul(m).clamp(1e-5,.9999),T=x.sqrt(),_=d.pow2().mul(m).div(vn(1).sub(x)),v=l.add(_).toVar(),N=_.sub(d).toVar();return Sp({start:1,end:2,condition:"<=",name:"m"},({m:e})=>{N.mulAssign(T);const t=((e,t)=>{const r=e.mul(2*Math.PI*1e-9),s=vn(54856e-17,44201e-17,52481e-17),i=vn(1681e3,1795300,2208400),n=vn(43278e5,93046e5,66121e5),a=gn(9747e-17*Math.sqrt(2*Math.PI*45282e5)).mul(r.mul(2239900).add(t.x).cos()).mul(r.pow2().mul(-45282e5).exp());let o=s.mul(n.mul(2*Math.PI).sqrt()).mul(i.mul(r).add(t).cos()).mul(r.pow2().negate().mul(n).exp());return o=vn(o.x.add(a),o.y,o.z).div(1.0685e-7),Bm.mul(o)})(gn(e).mul(y),gn(e).mul(b)).mul(2);v.addAssign(N.mul(t))}),v.max(vn(0))}).setLayout({name:"evalIridescence",type:"vec3",inputs:[{name:"outsideIOR",type:"float"},{name:"eta2",type:"float"},{name:"cosTheta1",type:"float"},{name:"thinFilmThickness",type:"float"},{name:"baseF0",type:"vec3"}]}),Pm=un(({normal:e,viewDir:t,roughness:r})=>{const s=e.dot(t).saturate(),i=r.mul(r),n=r.add(.1).reciprocal(),a=gn(-1.9362).add(r.mul(1.0678)).add(i.mul(.4573)).sub(n.mul(.8469)),o=gn(-.6014).add(r.mul(.5538)).sub(i.mul(.467)).sub(n.mul(.1255));return a.mul(s).add(o).exp().saturate()}),Dm=vn(.04),Um=gn(1);class Im extends Bg{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1){super(),this.clearcoat=e,this.sheen=t,this.iridescence=r,this.anisotropy=s,this.transmission=i,this.dispersion=n,this.clearcoatRadiance=null,this.clearcoatSpecularDirect=null,this.clearcoatSpecularIndirect=null,this.sheenSpecularDirect=null,this.sheenSpecularIndirect=null,this.iridescenceFresnel=null,this.iridescenceF0=null,this.iridescenceF0Dielectric=null,this.iridescenceF0Metallic=null}start(e){if(!0===this.clearcoat&&(this.clearcoatRadiance=vn().toVar("clearcoatRadiance"),this.clearcoatSpecularDirect=vn().toVar("clearcoatSpecularDirect"),this.clearcoatSpecularIndirect=vn().toVar("clearcoatSpecularIndirect")),!0===this.sheen&&(this.sheenSpecularDirect=vn().toVar("sheenSpecularDirect"),this.sheenSpecularIndirect=vn().toVar("sheenSpecularIndirect")),!0===this.iridescence){const e=lc.dot(Jd).clamp(),t=Lm({outsideIOR:gn(1),eta2:Xn,cosTheta1:e,thinFilmThickness:Kn,baseF0:ea}),r=Lm({outsideIOR:gn(1),eta2:Xn,cosTheta1:e,thinFilmThickness:Kn,baseF0:On.rgb});this.iridescenceFresnel=nu(t,r,zn),this.iridescenceF0Dielectric=sm({f:t,f90:1,dotVH:e}),this.iridescenceF0Metallic=sm({f:r,f90:1,dotVH:e}),this.iridescenceF0=nu(this.iridescenceF0Dielectric,this.iridescenceF0Metallic,zn)}if(!0===this.transmission){const t=Yd,r=Nd.sub(Yd).normalize(),s=dc,i=e.context;i.backdrop=Mm(s,r,Gn,Vn,ta,ra,t,Dd,Td,bd,ua,da,ha,ca,this.dispersion?pa:null),i.backdropAlpha=la,On.a.mulAssign(nu(1,i.backdrop.a,la))}super.start(e)}computeMultiscattering(e,t,r,s,i=null){const n=lc.dot(Jd).clamp(),a=em({roughness:Gn,dotNV:n}),o=i?jn.mix(s,i):s,u=o.mul(a.x).add(r.mul(a.y)),l=a.x.add(a.y).oneMinus(),d=o.add(o.oneMinus().mul(.047619)),c=u.mul(d).div(l.mul(d).oneMinus());e.addAssign(u),t.addAssign(c.mul(l))}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=lc.dot(e).clamp().mul(t).toVar();if(!0===this.sheen){this.sheenSpecularDirect.addAssign(s.mul(am({lightDirection:e})));const t=Pm({normal:lc,viewDir:Jd,roughness:qn}),r=Pm({normal:lc,viewDir:e,roughness:qn}),i=Hn.r.max(Hn.g).max(Hn.b).mul(t.max(r)).oneMinus();s.mulAssign(i)}if(!0===this.clearcoat){const r=cc.dot(e).clamp().mul(t);this.clearcoatSpecularDirect.addAssign(r.mul(Qg({lightDirection:e,f0:Dm,f90:Um,roughness:Wn,normalView:cc})))}r.directDiffuse.addAssign(s.mul(Ug({diffuseColor:Vn}))),r.directSpecular.addAssign(s.mul(tm({lightDirection:e,f0:ta,f90:1,roughness:Gn,f:this.iridescenceFresnel,USE_IRIDESCENCE:this.iridescence,USE_ANISOTROPY:this.anisotropy})))}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s,reflectedLight:i,ltc_1:n,ltc_2:a}){const o=t.add(r).sub(s),u=t.sub(r).sub(s),l=t.sub(r).add(s),d=t.add(r).add(s),c=lc,h=Jd,p=Zd.toVar(),g=om({N:c,V:h,roughness:Gn}),m=n.sample(g).toVar(),f=a.sample(g).toVar(),y=Bn(vn(m.x,0,m.y),vn(0,1,0),vn(m.z,0,m.w)).toVar(),b=ta.mul(f.x).add(ra.sub(ta).mul(f.y)).toVar();if(i.directSpecular.addAssign(e.mul(b).mul(dm({N:c,V:h,P:p,mInv:y,p0:o,p1:u,p2:l,p3:d}))),i.directDiffuse.addAssign(e.mul(Vn).mul(dm({N:c,V:h,P:p,mInv:Bn(1,0,0,0,1,0,0,0,1),p0:o,p1:u,p2:l,p3:d}))),!0===this.clearcoat){const t=cc,r=om({N:t,V:h,roughness:Wn}),s=n.sample(r),i=a.sample(r),c=Bn(vn(s.x,0,s.y),vn(0,1,0),vn(s.z,0,s.w)),g=Dm.mul(i.x).add(Um.sub(Dm).mul(i.y));this.clearcoatSpecularDirect.addAssign(e.mul(g).mul(dm({N:t,V:h,P:p,mInv:c,p0:o,p1:u,p2:l,p3:d})))}}indirect(e){this.indirectDiffuse(e),this.indirectSpecular(e),this.ambientOcclusion(e)}indirectDiffuse(e){const{irradiance:t,reflectedLight:r}=e.context,s=t.mul(Ug({diffuseColor:Vn})).toVar();if(!0===this.sheen){const e=Pm({normal:lc,viewDir:Jd,roughness:qn}),t=Hn.r.max(Hn.g).max(Hn.b).mul(e).oneMinus();s.mulAssign(t)}r.indirectDiffuse.addAssign(s)}indirectSpecular(e){const{radiance:t,iblIrradiance:r,reflectedLight:s}=e.context;if(!0===this.sheen&&this.sheenSpecularIndirect.addAssign(r.mul(Hn,Pm({normal:lc,viewDir:Jd,roughness:qn}))),!0===this.clearcoat){const e=cc.dot(Jd).clamp(),t=rm({dotNV:e,specularColor:Dm,specularF90:Um,roughness:Wn});this.clearcoatSpecularIndirect.addAssign(this.clearcoatRadiance.mul(t))}const i=vn().toVar("singleScatteringDielectric"),n=vn().toVar("multiScatteringDielectric"),a=vn().toVar("singleScatteringMetallic"),o=vn().toVar("multiScatteringMetallic");this.computeMultiscattering(i,n,ra,ea,this.iridescenceF0Dielectric),this.computeMultiscattering(a,o,ra,On.rgb,this.iridescenceF0Metallic);const u=nu(i,a,zn),l=nu(n,o,zn),d=i.add(n),c=Vn.mul(d.oneMinus()),h=r.mul(1/Math.PI),p=t.mul(u).add(l.mul(h)).toVar(),g=c.mul(h).toVar();if(!0===this.sheen){const e=Pm({normal:lc,viewDir:Jd,roughness:qn}),t=Hn.r.max(Hn.g).max(Hn.b).mul(e).oneMinus();p.mulAssign(t),g.mulAssign(t)}s.indirectSpecular.addAssign(p),s.indirectDiffuse.addAssign(g)}ambientOcclusion(e){const{ambientOcclusion:t,reflectedLight:r}=e.context,s=lc.dot(Jd).clamp().add(t),i=Gn.mul(-16).oneMinus().negate().exp2(),n=t.sub(s.pow(i).oneMinus()).clamp();!0===this.clearcoat&&this.clearcoatSpecularIndirect.mulAssign(t),!0===this.sheen&&this.sheenSpecularIndirect.mulAssign(t),r.indirectDiffuse.mulAssign(t),r.indirectSpecular.mulAssign(n)}finish({context:e}){const{outgoingLight:t}=e;if(!0===this.clearcoat){const e=cc.dot(Jd).clamp(),r=Dg({dotVH:e,f0:Dm,f90:Um}),s=t.mul($n.mul(r).oneMinus()).add(this.clearcoatSpecularDirect.add(this.clearcoatSpecularIndirect).mul($n));t.assign(s)}if(!0===this.sheen){const e=t.add(this.sheenSpecularDirect,this.sheenSpecularIndirect.mul(1/Math.PI));t.assign(e)}}}const Om=gn(1),Vm=gn(-2),km=gn(.8),Gm=gn(-1),zm=gn(.4),$m=gn(2),Wm=gn(.305),Hm=gn(3),qm=gn(.21),jm=gn(4),Xm=gn(4),Km=gn(16),Ym=un(([e])=>{const t=vn(Mo(e)).toVar(),r=gn(-1).toVar();return cn(t.x.greaterThan(t.z),()=>{cn(t.x.greaterThan(t.y),()=>{r.assign(bu(e.x.greaterThan(0),0,3))}).Else(()=>{r.assign(bu(e.y.greaterThan(0),1,4))})}).Else(()=>{cn(t.z.greaterThan(t.y),()=>{r.assign(bu(e.z.greaterThan(0),2,5))}).Else(()=>{r.assign(bu(e.y.greaterThan(0),1,4))})}),r}).setLayout({name:"getFace",type:"float",inputs:[{name:"direction",type:"vec3"}]}),Qm=un(([e,t])=>{const r=bn().toVar();return cn(t.equal(0),()=>{r.assign(bn(e.z,e.y).div(Mo(e.x)))}).ElseIf(t.equal(1),()=>{r.assign(bn(e.x.negate(),e.z.negate()).div(Mo(e.y)))}).ElseIf(t.equal(2),()=>{r.assign(bn(e.x.negate(),e.y).div(Mo(e.z)))}).ElseIf(t.equal(3),()=>{r.assign(bn(e.z.negate(),e.y).div(Mo(e.x)))}).ElseIf(t.equal(4),()=>{r.assign(bn(e.x.negate(),e.z).div(Mo(e.y)))}).Else(()=>{r.assign(bn(e.x,e.y).div(Mo(e.z)))}),Fa(.5,r.add(1))}).setLayout({name:"getUV",type:"vec2",inputs:[{name:"direction",type:"vec3"},{name:"face",type:"float"}]}),Zm=un(([e])=>{const t=gn(0).toVar();return cn(e.greaterThanEqual(km),()=>{t.assign(Om.sub(e).mul(Gm.sub(Vm)).div(Om.sub(km)).add(Vm))}).ElseIf(e.greaterThanEqual(zm),()=>{t.assign(km.sub(e).mul($m.sub(Gm)).div(km.sub(zm)).add(Gm))}).ElseIf(e.greaterThanEqual(Wm),()=>{t.assign(zm.sub(e).mul(Hm.sub($m)).div(zm.sub(Wm)).add($m))}).ElseIf(e.greaterThanEqual(qm),()=>{t.assign(Wm.sub(e).mul(jm.sub(Hm)).div(Wm.sub(qm)).add(Hm))}).Else(()=>{t.assign(gn(-2).mul(yo(Fa(1.16,e))))}),t}).setLayout({name:"roughnessToMip",type:"float",inputs:[{name:"roughness",type:"float"}]}),Jm=un(([e,t])=>{const r=e.toVar();r.assign(Fa(2,r).sub(1));const s=vn(r,1).toVar();return cn(t.equal(0),()=>{s.assign(s.zyx)}).ElseIf(t.equal(1),()=>{s.assign(s.xzy),s.xz.mulAssign(-1)}).ElseIf(t.equal(2),()=>{s.x.mulAssign(-1)}).ElseIf(t.equal(3),()=>{s.assign(s.zyx),s.xz.mulAssign(-1)}).ElseIf(t.equal(4),()=>{s.assign(s.xzy),s.xy.mulAssign(-1)}).ElseIf(t.equal(5),()=>{s.z.mulAssign(-1)}),s}).setLayout({name:"getDirection",type:"vec3",inputs:[{name:"uv",type:"vec2"},{name:"face",type:"float"}]}),ef=un(([e,t,r,s,i,n])=>{const a=gn(r),o=vn(t),u=au(Zm(a),Vm,n),l=No(u),d=To(u),c=vn(tf(e,o,d,s,i,n)).toVar();return cn(l.notEqual(0),()=>{const t=vn(tf(e,o,d.add(1),s,i,n)).toVar();c.assign(nu(c,t,l))}),c}),tf=un(([e,t,r,s,i,n])=>{const a=gn(r).toVar(),o=vn(t),u=gn(Ym(o)).toVar(),l=gn(Ho(Xm.sub(a),0)).toVar();a.assign(Ho(a,Xm));const d=gn(mo(a)).toVar(),c=bn(Qm(o,u).mul(d.sub(2)).add(1)).toVar();return cn(u.greaterThan(2),()=>{c.y.addAssign(d),u.subAssign(3)}),c.x.addAssign(u.mul(d)),c.x.addAssign(l.mul(Fa(3,Km))),c.y.addAssign(Fa(4,mo(n).sub(d))),c.x.mulAssign(s),c.y.mulAssign(i),e.sample(c).grad(bn(),bn())}),rf=un(({envMap:e,mipInt:t,outputDirection:r,theta:s,axis:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:a,CUBEUV_MAX_MIP:o})=>{const u=Ro(s),l=r.mul(u).add(i.cross(r).mul(So(s))).add(i.mul(i.dot(r).mul(u.oneMinus())));return tf(e,l,t,n,a,o)}),sf=un(({n:e,latitudinal:t,poleAxis:r,outputDirection:s,weights:i,samples:n,dTheta:a,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})=>{const h=vn(bu(t,r,Qo(r,s))).toVar();cn(h.equal(vn(0)),()=>{h.assign(vn(s.z,0,s.x.negate()))}),h.assign(vo(h));const p=vn().toVar();return p.addAssign(i.element(0).mul(rf({theta:0,axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),Sp({start:mn(1),end:e},({i:e})=>{cn(e.greaterThanEqual(n),()=>{Rp()});const t=gn(a.mul(gn(e))).toVar();p.addAssign(i.element(e).mul(rf({theta:t.mul(-1),axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),p.addAssign(i.element(e).mul(rf({theta:t,axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})))}),En(p,1)}),nf=un(([e])=>{const t=fn(e).toVar();return t.assign(t.shiftLeft(fn(16)).bitOr(t.shiftRight(fn(16)))),t.assign(t.bitAnd(fn(1431655765)).shiftLeft(fn(1)).bitOr(t.bitAnd(fn(2863311530)).shiftRight(fn(1)))),t.assign(t.bitAnd(fn(858993459)).shiftLeft(fn(2)).bitOr(t.bitAnd(fn(3435973836)).shiftRight(fn(2)))),t.assign(t.bitAnd(fn(252645135)).shiftLeft(fn(4)).bitOr(t.bitAnd(fn(4042322160)).shiftRight(fn(4)))),t.assign(t.bitAnd(fn(16711935)).shiftLeft(fn(8)).bitOr(t.bitAnd(fn(4278255360)).shiftRight(fn(8)))),gn(t).mul(2.3283064365386963e-10)}),af=un(([e,t])=>bn(gn(e).div(gn(t)),nf(e))),of=un(([e,t,r])=>{const s=r.mul(r).toConst(),i=vn(1,0,0).toConst(),n=Qo(t,i).toConst(),a=bo(e.x).toConst(),o=Fa(2,3.14159265359).mul(e.y).toConst(),u=a.mul(Ro(o)).toConst(),l=a.mul(So(o)).toVar(),d=Fa(.5,t.z.add(1)).toConst();l.assign(d.oneMinus().mul(bo(u.mul(u).oneMinus())).add(d.mul(l)));const c=i.mul(u).add(n.mul(l)).add(t.mul(bo(Ho(0,u.mul(u).add(l.mul(l)).oneMinus()))));return vo(vn(s.mul(c.x),s.mul(c.y),Ho(0,c.z)))}),uf=un(({roughness:e,mipInt:t,envMap:r,N_immutable:s,GGX_SAMPLES:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:a,CUBEUV_MAX_MIP:o})=>{const u=vn(s).toVar(),l=vn(0).toVar(),d=gn(0).toVar();return cn(e.lessThan(.001),()=>{l.assign(tf(r,u,t,n,a,o))}).Else(()=>{const s=bu(Mo(u.z).lessThan(.999),vn(0,0,1),vn(1,0,0)),c=vo(Qo(s,u)).toVar(),h=Qo(u,c).toVar();Sp({start:fn(0),end:i},({i:s})=>{const p=af(s,i),g=of(p,vn(0,0,1),e),m=vo(c.mul(g.x).add(h.mul(g.y)).add(u.mul(g.z))),f=vo(m.mul(Yo(u,m).mul(2)).sub(u)),y=Ho(Yo(u,f),0);cn(y.greaterThan(0),()=>{const e=tf(r,f,t,n,a,o);l.addAssign(e.mul(y)),d.addAssign(y)})}),cn(d.greaterThan(0),()=>{l.assign(l.div(d))})}),En(l,1)}),lf=[.125,.215,.35,.446,.526,.582],df=20,cf=new _e(-1,1,1,-1,0,1),hf=new ve(90,1),pf=new e;let gf=null,mf=0,ff=0;const yf=new r,bf=new WeakMap,xf=[3,1,5,0,4,2],Tf=Jm(Rl(),Sl("faceIndex")).normalize(),_f=vn(Tf.x,Tf.y,Tf.z);class vf{constructor(e){this._renderer=e,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._sizeLods=[],this._sigmas=[],this._lodMeshes=[],this._blurMaterial=null,this._ggxMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._backgroundBox=null}get _hasInitialized(){return this._renderer.hasInitialized()}fromScene(e,t=0,r=.1,s=100,i={}){const{size:n=256,position:a=yf,renderTarget:o=null}=i;if(this._setSize(n),!1===this._hasInitialized){d('PMREMGenerator: ".fromScene()" called before the backend is initialized. Try using "await renderer.init()" instead.');const n=o||this._allocateTarget();return i.renderTarget=n,this.fromSceneAsync(e,t,r,s,i),n}gf=this._renderer.getRenderTarget(),mf=this._renderer.getActiveCubeFace(),ff=this._renderer.getActiveMipmapLevel();const u=o||this._allocateTarget();return u.depthBuffer=!0,this._init(u),this._sceneToCubeUV(e,r,s,u,a),t>0&&this._blur(u,0,0,t),this._applyPMREM(u),this._cleanup(u),u}async fromSceneAsync(e,t=0,r=.1,s=100,i={}){return v('PMREMGenerator: ".fromSceneAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this.fromScene(e,t,r,s,i)}fromEquirectangular(e,t=null){if(!1===this._hasInitialized){d('PMREMGenerator: .fromEquirectangular() called before the backend is initialized. Try using "await renderer.init()" instead.'),this._setSizeFromTexture(e);const r=t||this._allocateTarget();return this.fromEquirectangularAsync(e,r),r}return this._fromTexture(e,t)}async fromEquirectangularAsync(e,t=null){return v('PMREMGenerator: ".fromEquirectangularAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this._fromTexture(e,t)}fromCubemap(e,t=null){if(!1===this._hasInitialized){d("PMREMGenerator: .fromCubemap() called before the backend is initialized. Try using .fromCubemapAsync() instead."),this._setSizeFromTexture(e);const r=t||this._allocateTarget();return this.fromCubemapAsync(e,t),r}return this._fromTexture(e,t)}async fromCubemapAsync(e,t=null){return v('PMREMGenerator: ".fromCubemapAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this._fromTexture(e,t)}async compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=Ef(),await this._compileMaterial(this._cubemapMaterial))}async compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=Af(),await this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose(),null!==this._backgroundBox&&(this._backgroundBox.geometry.dispose(),this._backgroundBox.material.dispose())}_setSizeFromTexture(e){e.mapping===P||e.mapping===D?this._setSize(0===e.image.length?16:e.image[0].width||e.image[0].image.width):this._setSize(e.image.width/4)}_setSize(e){this._lodMax=Math.floor(Math.log2(e)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._ggxMaterial&&this._ggxMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let e=0;e<this._lodMeshes.length;e++)this._lodMeshes[e].geometry.dispose()}_cleanup(e){this._renderer.setRenderTarget(gf,mf,ff),e.scissorTest=!1,Sf(e,0,0,e.width,e.height)}_fromTexture(e,t){this._setSizeFromTexture(e),gf=this._renderer.getRenderTarget(),mf=this._renderer.getActiveCubeFace(),ff=this._renderer.getActiveMipmapLevel();const r=t||this._allocateTarget();return this._init(r),this._textureToCubeUV(e,r),this._applyPMREM(r),this._cleanup(r),r}_allocateTarget(){return Nf(3*Math.max(this._cubeSize,112),4*this._cubeSize)}_init(e){if(null===this._pingPongRenderTarget||this._pingPongRenderTarget.width!==e.width||this._pingPongRenderTarget.height!==e.height){null!==this._pingPongRenderTarget&&this._dispose(),this._pingPongRenderTarget=Nf(e.width,e.height);const{_lodMax:t}=this;({lodMeshes:this._lodMeshes,sizeLods:this._sizeLods,sigmas:this._sigmas}=function(e){const t=[],r=[],s=[];let i=e;const n=e-4+1+lf.length;for(let a=0;a<n;a++){const n=Math.pow(2,i);t.push(n);let o=1/n;a>e-4?o=lf[a-e+4-1]:0===a&&(o=0),r.push(o);const u=1/(n-2),l=-u,d=1+u,c=[l,l,d,l,d,d,l,l,d,d,l,d],h=6,p=6,g=3,m=2,f=1,y=new Float32Array(g*p*h),b=new Float32Array(m*p*h),x=new Float32Array(f*p*h);for(let e=0;e<h;e++){const t=e%3*2/3-1,r=e>2?0:-1,s=[t,r,0,t+2/3,r,0,t+2/3,r+1,0,t,r,0,t+2/3,r+1,0,t,r+1,0],i=xf[e];y.set(s,g*p*i),b.set(c,m*p*i);const n=[i,i,i,i,i,i];x.set(n,f*p*i)}const T=new Te;T.setAttribute("position",new Ee(y,g)),T.setAttribute("uv",new Ee(b,m)),T.setAttribute("faceIndex",new Ee(x,f)),s.push(new ne(T,null)),i>4&&i--}return{lodMeshes:s,sizeLods:t,sigmas:r}}(t)),this._blurMaterial=function(e,t,s){const i=kl(new Array(df).fill(0)),n=_a(new r(0,1,0)),a=_a(0),o=gn(df),u=_a(0),l=_a(1),d=Pl(),c=_a(0),h=gn(1/t),p=gn(1/s),g=gn(e),m={n:o,latitudinal:u,weights:i,poleAxis:n,outputDirection:_f,dTheta:a,samples:l,envMap:d,mipInt:c,CUBEUV_TEXEL_WIDTH:h,CUBEUV_TEXEL_HEIGHT:p,CUBEUV_MAX_MIP:g},f=Rf("blur");return f.fragmentNode=sf({...m,latitudinal:u.equal(1)}),bf.set(f,m),f}(t,e.width,e.height),this._ggxMaterial=function(e,t,r){const s=Pl(),i=_a(0),n=_a(0),a=gn(1/t),o=gn(1/r),u=gn(e),l={envMap:s,roughness:i,mipInt:n,CUBEUV_TEXEL_WIDTH:a,CUBEUV_TEXEL_HEIGHT:o,CUBEUV_MAX_MIP:u},d=Rf("ggx");return d.fragmentNode=uf({...l,N_immutable:_f,GGX_SAMPLES:fn(512)}),bf.set(d,l),d}(t,e.width,e.height)}}async _compileMaterial(e){const t=new ne(new Te,e);await this._renderer.compile(t,cf)}_sceneToCubeUV(e,t,r,s,i){const n=hf;n.near=t,n.far=r;const a=[1,1,1,1,-1,1],o=[1,-1,1,-1,1,-1],u=this._renderer,l=u.autoClear;u.getClearColor(pf),u.autoClear=!1,null===this._backgroundBox&&(this._backgroundBox=new ne(new ie,new ge({name:"PMREM.Background",side:M,depthWrite:!1,depthTest:!1})));const d=this._backgroundBox,c=d.material;let h=!1;const p=e.background;p?p.isColor&&(c.color.copy(p),e.background=null,h=!0):(c.color.copy(pf),h=!0),u.setRenderTarget(s),u.clear(),h&&u.render(d,n);for(let t=0;t<6;t++){const r=t%3;0===r?(n.up.set(0,a[t],0),n.position.set(i.x,i.y,i.z),n.lookAt(i.x+o[t],i.y,i.z)):1===r?(n.up.set(0,0,a[t]),n.position.set(i.x,i.y,i.z),n.lookAt(i.x,i.y+o[t],i.z)):(n.up.set(0,a[t],0),n.position.set(i.x,i.y,i.z),n.lookAt(i.x,i.y,i.z+o[t]));const l=this._cubeSize;Sf(s,r*l,t>2?l:0,l,l),u.render(e,n)}u.autoClear=l,e.background=p}_textureToCubeUV(e,t){const r=this._renderer,s=e.mapping===P||e.mapping===D;s?null===this._cubemapMaterial&&(this._cubemapMaterial=Ef(e)):null===this._equirectMaterial&&(this._equirectMaterial=Af(e));const i=s?this._cubemapMaterial:this._equirectMaterial;i.fragmentNode.value=e;const n=this._lodMeshes[0];n.material=i;const a=this._cubeSize;Sf(t,0,0,3*a,2*a),r.setRenderTarget(t),r.render(n,cf)}_applyPMREM(e){const t=this._renderer,r=t.autoClear;t.autoClear=!1;const s=this._lodMeshes.length;for(let t=1;t<s;t++)this._applyGGXFilter(e,t-1,t);t.autoClear=r}_applyGGXFilter(e,t,r){const s=this._renderer,i=this._pingPongRenderTarget,n=this._ggxMaterial,a=this._lodMeshes[r];a.material=n;const o=bf.get(n),u=r/(this._lodMeshes.length-1),l=t/(this._lodMeshes.length-1),d=Math.sqrt(u*u-l*l)*(0+1.25*u),{_lodMax:c}=this,h=this._sizeLods[r],p=3*h*(r>c-4?r-c+4:0),g=4*(this._cubeSize-h);e.texture.frame=(e.texture.frame||0)+1,o.envMap.value=e.texture,o.roughness.value=d,o.mipInt.value=c-t,Sf(i,p,g,3*h,2*h),s.setRenderTarget(i),s.render(a,cf),i.texture.frame=(i.texture.frame||0)+1,o.envMap.value=i.texture,o.roughness.value=0,o.mipInt.value=c-r,Sf(e,p,g,3*h,2*h),s.setRenderTarget(e),s.render(a,cf)}_blur(e,t,r,s,i){const n=this._pingPongRenderTarget;this._halfBlur(e,n,t,r,s,"latitudinal",i),this._halfBlur(n,e,r,r,s,"longitudinal",i)}_halfBlur(e,t,r,s,i,n,a){const u=this._renderer,l=this._blurMaterial;"latitudinal"!==n&&"longitudinal"!==n&&o("blur direction must be either latitudinal or longitudinal!");const c=this._lodMeshes[s];c.material=l;const h=bf.get(l),p=this._sizeLods[r]-1,g=isFinite(i)?Math.PI/(2*p):2*Math.PI/39,m=i/g,f=isFinite(i)?1+Math.floor(3*m):df;f>df&&d(`sigmaRadians, ${i}, is too large and will clip, as it requested ${f} samples when the maximum is set to 20`);const y=[];let b=0;for(let e=0;e<df;++e){const t=e/m,r=Math.exp(-t*t/2);y.push(r),0===e?b+=r:e<f&&(b+=2*r)}for(let e=0;e<y.length;e++)y[e]=y[e]/b;e.texture.frame=(e.texture.frame||0)+1,h.envMap.value=e.texture,h.samples.value=f,h.weights.array=y,h.latitudinal.value="latitudinal"===n?1:0,a&&(h.poleAxis.value=a);const{_lodMax:x}=this;h.dTheta.value=g,h.mipInt.value=x-r;const T=this._sizeLods[s];Sf(t,3*T*(s>x-4?s-x+4:0),4*(this._cubeSize-T),3*T,2*T),u.setRenderTarget(t),u.render(c,cf)}}function Nf(e,t){const r=new se(e,t,{magFilter:oe,minFilter:oe,generateMipmaps:!1,type:be,format:Se,colorSpace:Ne});return r.texture.mapping=Re,r.texture.name="PMREM.cubeUv",r.texture.isPMREMTexture=!0,r.scissorTest=!0,r}function Sf(e,t,r,s,i){e.viewport.set(t,r,s,i),e.scissor.set(t,r,s,i)}function Rf(e){const t=new pg;return t.depthTest=!1,t.depthWrite=!1,t.blending=ee,t.name=`PMREM_${e}`,t}function Ef(e){const t=Rf("cubemap");return t.fragmentNode=Cc(e,_f),t}function Af(e){const t=Rf("equirect");return t.fragmentNode=Pl(e,vg(_f),0),t}const wf=new WeakMap;function Cf(e,t,r){const s=function(e){let t=wf.get(e);void 0===t&&(t=new WeakMap,wf.set(e,t));return t}(t);let i=s.get(e);if((void 0!==i?i.pmremVersion:-1)!==e.pmremVersion){const t=e.image;if(e.isCubeTexture){if(!function(e){if(null==e)return!1;let t=0;const r=6;for(let s=0;s<r;s++)void 0!==e[s]&&t++;return t===r}(t))return null;i=r.fromCubemap(e,i)}else{if(!function(e){return null!=e&&e.height>0}(t))return null;i=r.fromEquirectangular(e,i)}i.pmremVersion=e.pmremVersion,s.set(e,i)}return i.texture}class Mf extends ci{static get type(){return"PMREMNode"}constructor(e,t=null,r=null){super("vec3"),this._value=e,this._pmrem=null,this.uvNode=t,this.levelNode=r,this._generator=null;const s=new N;s.isRenderTargetTexture=!0,this._texture=Pl(s),this._width=_a(0),this._height=_a(0),this._maxMip=_a(0),this.updateBeforeType=Js.RENDER}set value(e){this._value=e,this._pmrem=null}get value(){return this._value}updateFromTexture(e){const t=function(e){const t=Math.log2(e)-2,r=1/e;return{texelWidth:1/(3*Math.max(Math.pow(2,t),112)),texelHeight:r,maxMip:t}}(e.image.height);this._texture.value=e,this._width.value=t.texelWidth,this._height.value=t.texelHeight,this._maxMip.value=t.maxMip}updateBefore(e){let t=this._pmrem;const r=t?t.pmremVersion:-1,s=this._value;r!==s.pmremVersion&&(t=!0===s.isPMREMTexture?s:Cf(s,e.renderer,this._generator),null!==t&&(this._pmrem=t,this.updateFromTexture(t)))}setup(e){null===this._generator&&(this._generator=new vf(e.renderer)),this.updateBefore(e);let t=this.uvNode;null===t&&e.context.getUV&&(t=e.context.getUV(this,e)),t=_c.mul(vn(t.x,t.y.negate(),t.z));let r=this.levelNode;return null===r&&e.context.getTextureLevel&&(r=e.context.getTextureLevel(this)),ef(this._texture,t,r,this._width,this._height,this._maxMip)}dispose(){super.dispose(),null!==this._generator&&this._generator.dispose()}}const Bf=rn(Mf).setParameterLength(1,3),Ff=new WeakMap;class Lf extends Bp{static get type(){return"EnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){const{material:t}=e;let r=this.envNode;if(r.isTextureNode||r.isMaterialReferenceNode){const s=r.isTextureNode?r.value:t[r.property],i=this._getPMREMNodeCache(e.renderer);let n=i.get(s);void 0===n&&(n=Bf(s),i.set(s,n)),r=n}const s=!0===t.useAnisotropy||t.anisotropy>0?oh:lc,i=r.context(Pf(Gn,s)).mul(Tc),n=r.context(Df(dc)).mul(Math.PI).mul(Tc),a=al(i),o=al(n);e.context.radiance.addAssign(a),e.context.iblIrradiance.addAssign(o);const u=e.context.lightingModel.clearcoatRadiance;if(u){const e=r.context(Pf(Wn,cc)).mul(Tc),t=al(e);u.addAssign(t)}}_getPMREMNodeCache(e){let t=Ff.get(e);return void 0===t&&(t=new WeakMap,Ff.set(e,t)),t}}const Pf=(e,t)=>{let r=null;return{getUV:()=>(null===r&&(r=Jd.negate().reflect(t),r=tu(e).mix(r,t).normalize(),r=r.transformDirection(Td)),r),getTextureLevel:()=>e}},Df=e=>({getUV:()=>e,getTextureLevel:()=>gn(1)}),Uf=new Ae;class If extends pg{static get type(){return"MeshStandardNodeMaterial"}constructor(e){super(),this.isMeshStandardNodeMaterial=!0,this.lights=!0,this.emissiveNode=null,this.metalnessNode=null,this.roughnessNode=null,this.setDefaultValues(Uf),this.setValues(e)}setupEnvironment(e){let t=super.setupEnvironment(e);return null===t&&e.environmentNode&&(t=e.environmentNode),t?new Lf(t):null}setupLightingModel(){return new Im}setupSpecular(){const e=nu(vn(.04),On.rgb,zn);ea.assign(vn(.04)),ta.assign(e),ra.assign(1)}setupVariants(){const e=this.metalnessNode?gn(this.metalnessNode):Ch;zn.assign(e);let t=this.roughnessNode?gn(this.roughnessNode):wh;t=Hg({roughness:t}),Gn.assign(t),this.setupSpecular(),Vn.assign(On.rgb.mul(e.oneMinus()))}copy(e){return this.emissiveNode=e.emissiveNode,this.metalnessNode=e.metalnessNode,this.roughnessNode=e.roughnessNode,super.copy(e)}}const Of=new we;class Vf extends If{static get type(){return"MeshPhysicalNodeMaterial"}constructor(e){super(),this.isMeshPhysicalNodeMaterial=!0,this.clearcoatNode=null,this.clearcoatRoughnessNode=null,this.clearcoatNormalNode=null,this.sheenNode=null,this.sheenRoughnessNode=null,this.iridescenceNode=null,this.iridescenceIORNode=null,this.iridescenceThicknessNode=null,this.specularIntensityNode=null,this.specularColorNode=null,this.iorNode=null,this.transmissionNode=null,this.thicknessNode=null,this.attenuationDistanceNode=null,this.attenuationColorNode=null,this.dispersionNode=null,this.anisotropyNode=null,this.setDefaultValues(Of),this.setValues(e)}get useClearcoat(){return this.clearcoat>0||null!==this.clearcoatNode}get useIridescence(){return this.iridescence>0||null!==this.iridescenceNode}get useSheen(){return this.sheen>0||null!==this.sheenNode}get useAnisotropy(){return this.anisotropy>0||null!==this.anisotropyNode}get useTransmission(){return this.transmission>0||null!==this.transmissionNode}get useDispersion(){return this.dispersion>0||null!==this.dispersionNode}setupSpecular(){const e=this.iorNode?gn(this.iorNode):$h;ua.assign(e),ea.assign(Wo(Jo(ua.sub(1).div(ua.add(1))).mul(Rh),vn(1)).mul(Sh)),ta.assign(nu(ea,On.rgb,zn)),ra.assign(nu(Sh,1,zn))}setupLightingModel(){return new Im(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion)}setupVariants(e){if(super.setupVariants(e),this.useClearcoat){const e=this.clearcoatNode?gn(this.clearcoatNode):Bh,t=this.clearcoatRoughnessNode?gn(this.clearcoatRoughnessNode):Fh;$n.assign(e),Wn.assign(Hg({roughness:t}))}if(this.useSheen){const e=this.sheenNode?vn(this.sheenNode):Dh,t=this.sheenRoughnessNode?gn(this.sheenRoughnessNode):Uh;Hn.assign(e),qn.assign(t)}if(this.useIridescence){const e=this.iridescenceNode?gn(this.iridescenceNode):Oh,t=this.iridescenceIORNode?gn(this.iridescenceIORNode):Vh,r=this.iridescenceThicknessNode?gn(this.iridescenceThicknessNode):kh;jn.assign(e),Xn.assign(t),Kn.assign(r)}if(this.useAnisotropy){const e=(this.anisotropyNode?bn(this.anisotropyNode):Ih).toVar();Qn.assign(e.length()),cn(Qn.equal(0),()=>{e.assign(bn(1,0))}).Else(()=>{e.divAssign(bn(Qn)),Qn.assign(Qn.saturate())}),Yn.assign(Qn.pow2().mix(Gn.pow2(),1)),Zn.assign(nh[0].mul(e.x).add(nh[1].mul(e.y))),Jn.assign(nh[1].mul(e.x).sub(nh[0].mul(e.y)))}if(this.useTransmission){const e=this.transmissionNode?gn(this.transmissionNode):Gh,t=this.thicknessNode?gn(this.thicknessNode):zh,r=this.attenuationDistanceNode?gn(this.attenuationDistanceNode):Wh,s=this.attenuationColorNode?vn(this.attenuationColorNode):Hh;if(la.assign(e),da.assign(t),ca.assign(r),ha.assign(s),this.useDispersion){const e=this.dispersionNode?gn(this.dispersionNode):Zh;pa.assign(e)}}}setupClearcoatNormal(){return this.clearcoatNormalNode?vn(this.clearcoatNormalNode):Lh}setup(e){e.context.setupClearcoatNormal=()=>Fu(this.setupClearcoatNormal(e),"NORMAL","vec3"),super.setup(e)}copy(e){return this.clearcoatNode=e.clearcoatNode,this.clearcoatRoughnessNode=e.clearcoatRoughnessNode,this.clearcoatNormalNode=e.clearcoatNormalNode,this.sheenNode=e.sheenNode,this.sheenRoughnessNode=e.sheenRoughnessNode,this.iridescenceNode=e.iridescenceNode,this.iridescenceIORNode=e.iridescenceIORNode,this.iridescenceThicknessNode=e.iridescenceThicknessNode,this.specularIntensityNode=e.specularIntensityNode,this.specularColorNode=e.specularColorNode,this.iorNode=e.iorNode,this.transmissionNode=e.transmissionNode,this.thicknessNode=e.thicknessNode,this.attenuationDistanceNode=e.attenuationDistanceNode,this.attenuationColorNode=e.attenuationColorNode,this.dispersionNode=e.dispersionNode,this.anisotropyNode=e.anisotropyNode,super.copy(e)}}class kf extends Im{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1,a=!1){super(e,t,r,s,i,n),this.useSSS=a}direct({lightDirection:e,lightColor:t,reflectedLight:r},s){if(!0===this.useSSS){const i=s.material,{thicknessColorNode:n,thicknessDistortionNode:a,thicknessAmbientNode:o,thicknessAttenuationNode:u,thicknessPowerNode:l,thicknessScaleNode:d}=i,c=e.add(lc.mul(a)).normalize(),h=gn(Jd.dot(c.negate()).saturate().pow(l).mul(d)),p=vn(h.add(o).mul(n));r.directDiffuse.addAssign(p.mul(u.mul(t)))}super.direct({lightDirection:e,lightColor:t,reflectedLight:r},s)}}class Gf extends Vf{static get type(){return"MeshSSSNodeMaterial"}constructor(e){super(e),this.thicknessColorNode=null,this.thicknessDistortionNode=gn(.1),this.thicknessAmbientNode=gn(0),this.thicknessAttenuationNode=gn(.1),this.thicknessPowerNode=gn(2),this.thicknessScaleNode=gn(10)}get useSSS(){return null!==this.thicknessColorNode}setupLightingModel(){return new kf(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion,this.useSSS)}copy(e){return this.thicknessColorNode=e.thicknessColorNode,this.thicknessDistortionNode=e.thicknessDistortionNode,this.thicknessAmbientNode=e.thicknessAmbientNode,this.thicknessAttenuationNode=e.thicknessAttenuationNode,this.thicknessPowerNode=e.thicknessPowerNode,this.thicknessScaleNode=e.thicknessScaleNode,super.copy(e)}}const zf=un(({normal:e,lightDirection:t,builder:r})=>{const s=e.dot(t),i=bn(s.mul(.5).add(.5),0);if(r.material.gradientMap){const e=Dc("gradientMap","texture").context({getUV:()=>i});return vn(e.r)}{const e=i.fwidth().mul(.5);return nu(vn(.7),vn(1),lu(gn(.7).sub(e.x),gn(.7).add(e.x),i.x))}});class $f extends Bg{direct({lightDirection:e,lightColor:t,reflectedLight:r},s){const i=zf({normal:ic,lightDirection:e,builder:s}).mul(t);r.directDiffuse.addAssign(i.mul(Ug({diffuseColor:On.rgb})))}indirect(e){const{ambientOcclusion:t,irradiance:r,reflectedLight:s}=e.context;s.indirectDiffuse.addAssign(r.mul(Ug({diffuseColor:On}))),s.indirectDiffuse.mulAssign(t)}}const Wf=new Ce;class Hf extends pg{static get type(){return"MeshToonNodeMaterial"}constructor(e){super(),this.isMeshToonNodeMaterial=!0,this.lights=!0,this.setDefaultValues(Wf),this.setValues(e)}setupLightingModel(){return new $f}}const qf=un(()=>{const e=vn(Jd.z,0,Jd.x.negate()).normalize(),t=Jd.cross(e);return bn(e.dot(lc),t.dot(lc)).mul(.495).add(.5)}).once(["NORMAL","VERTEX"])().toVar("matcapUV"),jf=new Me;class Xf extends pg{static get type(){return"MeshMatcapNodeMaterial"}constructor(e){super(),this.isMeshMatcapNodeMaterial=!0,this.setDefaultValues(jf),this.setValues(e)}setupVariants(e){const t=qf;let r;r=e.material.matcap?Dc("matcap","texture").context({getUV:()=>t}):vn(nu(.2,.8,t.y)),On.rgb.mulAssign(r.rgb)}}class Kf extends ci{static get type(){return"RotateNode"}constructor(e,t){super(),this.positionNode=e,this.rotationNode=t}getNodeType(e){return this.positionNode.getNodeType(e)}setup(e){const{rotationNode:t,positionNode:r}=this;if("vec2"===this.getNodeType(e)){const e=t.cos(),s=t.sin();return Mn(e,s,s.negate(),e).mul(r)}{const e=t,s=Fn(En(1,0,0,0),En(0,Ro(e.x),So(e.x).negate(),0),En(0,So(e.x),Ro(e.x),0),En(0,0,0,1)),i=Fn(En(Ro(e.y),0,So(e.y),0),En(0,1,0,0),En(So(e.y).negate(),0,Ro(e.y),0),En(0,0,0,1)),n=Fn(En(Ro(e.z),So(e.z).negate(),0,0),En(So(e.z),Ro(e.z),0,0),En(0,0,1,0),En(0,0,0,1));return s.mul(i).mul(n).mul(En(r,1)).xyz}}}const Yf=rn(Kf).setParameterLength(2),Qf=new Be;class Zf extends pg{static get type(){return"SpriteNodeMaterial"}constructor(e){super(),this.isSpriteNodeMaterial=!0,this._useSizeAttenuation=!0,this.positionNode=null,this.rotationNode=null,this.scaleNode=null,this.transparent=!0,this.setDefaultValues(Qf),this.setValues(e)}setupPositionView(e){const{object:t,camera:r}=e,{positionNode:s,rotationNode:i,scaleNode:n,sizeAttenuation:a}=this,o=zd.mul(vn(s||0));let u=bn(Dd[0].xyz.length(),Dd[1].xyz.length());null!==n&&(u=u.mul(bn(n))),r.isPerspectiveCamera&&!1===a&&(u=u.mul(o.z.negate()));let l=jd.xy;if(t.center&&!0===t.center.isVector2){const e=((e,t,r)=>new $u(e,t,r))("center","vec2",t);l=l.sub(e.sub(.5))}l=l.mul(u);const d=gn(i||Ph),c=Yf(l,d);return En(o.xy.add(c),o.zw)}copy(e){return this.positionNode=e.positionNode,this.rotationNode=e.rotationNode,this.scaleNode=e.scaleNode,super.copy(e)}get sizeAttenuation(){return this._useSizeAttenuation}set sizeAttenuation(e){this._useSizeAttenuation!==e&&(this._useSizeAttenuation=e,this.needsUpdate=!0)}}const Jf=new Fe,ey=new t;class ty extends Zf{static get type(){return"PointsNodeMaterial"}constructor(e){super(),this.sizeNode=null,this.isPointsNodeMaterial=!0,this.setDefaultValues(Jf),this.setValues(e)}setupPositionView(){const{positionNode:e}=this;return zd.mul(vn(e||Xd)).xyz}setupVertexSprite(e){const{material:t,camera:r}=e,{rotationNode:s,scaleNode:i,sizeNode:n,sizeAttenuation:a}=this;let o=super.setupVertex(e);if(!0!==t.isNodeMaterial)return o;let u=null!==n?bn(n):Qh;u=u.mul(ql),r.isPerspectiveCamera&&!0===a&&(u=u.mul(ry.div(Zd.z.negate()))),i&&i.isNode&&(u=u.mul(bn(i)));let l=jd.xy;if(s&&s.isNode){const e=gn(s);l=Yf(l,e)}return l=l.mul(u),l=l.div(Ql.div(2)),l=l.mul(o.w),o=o.add(En(l,0,0)),o}setupVertex(e){return e.object.isPoints?super.setupVertex(e):this.setupVertexSprite(e)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}const ry=_a(1).onFrameUpdate(function({renderer:e}){const t=e.getSize(ey);this.value=.5*t.y});class sy extends Bg{constructor(){super(),this.shadowNode=gn(1).toVar("shadowMask")}direct({lightNode:e}){null!==e.shadowNode&&this.shadowNode.mulAssign(e.shadowNode)}finish({context:e}){On.a.mulAssign(this.shadowNode.oneMinus()),e.outgoingLight.rgb.assign(On.rgb)}}const iy=new Le;class ny extends pg{static get type(){return"ShadowNodeMaterial"}constructor(e){super(),this.isShadowNodeMaterial=!0,this.lights=!0,this.transparent=!0,this.setDefaultValues(iy),this.setValues(e)}setupLightingModel(){return new sy}}const ay=Un("vec3"),oy=Un("vec3"),uy=Un("vec3");class ly extends Bg{constructor(){super()}start(e){const{material:t}=e,r=Un("vec3"),s=Un("vec3");cn(Nd.sub(Yd).length().greaterThan(Vd.mul(2)),()=>{r.assign(Nd),s.assign(Yd)}).Else(()=>{r.assign(Yd),s.assign(Nd)});const i=s.sub(r),n=_a("int").onRenderUpdate(({material:e})=>e.steps),a=i.length().div(n).toVar(),o=i.normalize().toVar(),u=gn(0).toVar(),l=vn(1).toVar();t.offsetNode&&u.addAssign(t.offsetNode.mul(a)),Sp(n,()=>{const s=r.add(o.mul(u)),i=Td.mul(En(s,1)).xyz;let n;null!==t.depthNode&&(oy.assign(Zp(jp(i.z,fd,yd))),e.context.sceneDepthNode=Zp(t.depthNode).toVar()),e.context.positionWorld=s,e.context.shadowPositionWorld=s,e.context.positionView=i,ay.assign(0),t.scatteringNode&&(n=t.scatteringNode({positionRay:s})),super.start(e),n&&ay.mulAssign(n);const d=ay.mul(.01).negate().mul(a).exp();l.mulAssign(d),u.addAssign(a)}),uy.addAssign(l.saturate().oneMinus())}scatteringLight(e,t){const r=t.context.sceneDepthNode;r?cn(r.greaterThanEqual(oy),()=>{ay.addAssign(e)}):ay.addAssign(e)}direct({lightNode:e,lightColor:t},r){if(void 0===e.light.distance)return;const s=t.xyz.toVar();s.mulAssign(e.shadowNode),this.scatteringLight(s,r)}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s},i){const n=t.add(r).sub(s),a=t.sub(r).sub(s),o=t.sub(r).add(s),u=t.add(r).add(s),l=i.context.positionView,d=e.xyz.mul(cm({P:l,p0:n,p1:a,p2:o,p3:u})).pow(1.5);this.scatteringLight(d,i)}finish(e){e.context.outgoingLight.assign(uy)}}class dy extends pg{static get type(){return"VolumeNodeMaterial"}constructor(e){super(),this.isVolumeNodeMaterial=!0,this.steps=25,this.offsetNode=null,this.scatteringNode=null,this.lights=!0,this.transparent=!0,this.side=M,this.depthTest=!1,this.depthWrite=!1,this.setValues(e)}setupLightingModel(){return new ly}}class cy{constructor(e,t,r){this.renderer=e,this.nodes=t,this.info=r,this._context="undefined"!=typeof self?self:null,this._animationLoop=null,this._requestId=null}start(){const e=(t,r)=>{this._requestId=this._context.requestAnimationFrame(e),!0===this.info.autoReset&&this.info.reset(),this.nodes.nodeFrame.update(),this.info.frame=this.nodes.nodeFrame.frameId,this.renderer._inspector.begin(),null!==this._animationLoop&&this._animationLoop(t,r),this.renderer._inspector.finish()};e()}stop(){this._context.cancelAnimationFrame(this._requestId),this._requestId=null}getAnimationLoop(){return this._animationLoop}setAnimationLoop(e){this._animationLoop=e}getContext(){return this._context}setContext(e){this._context=e}dispose(){this.stop()}}class hy{constructor(){this.weakMaps={}}_getWeakMap(e){const t=e.length;let r=this.weakMaps[t];return void 0===r&&(r=new WeakMap,this.weakMaps[t]=r),r}get(e){let t=this._getWeakMap(e);for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return;return t.get(e[e.length-1])}set(e,t){let r=this._getWeakMap(e);for(let t=0;t<e.length-1;t++){const s=e[t];!1===r.has(s)&&r.set(s,new WeakMap),r=r.get(s)}return r.set(e[e.length-1],t),this}delete(e){let t=this._getWeakMap(e);for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return!1;return t.delete(e[e.length-1])}}let py=0;class gy{constructor(e,t,r,s,i,n,a,o,u,l){this.id=py++,this._nodes=e,this._geometries=t,this.renderer=r,this.object=s,this.material=i,this.scene=n,this.camera=a,this.lightsNode=o,this.context=u,this.geometry=s.geometry,this.version=i.version,this.drawRange=null,this.attributes=null,this.attributesId=null,this.pipeline=null,this.group=null,this.vertexBuffers=null,this.drawParams=null,this.bundle=null,this.clippingContext=l,this.clippingContextCacheKey=null!==l?l.cacheKey:"",this.initialNodesCacheKey=this.getDynamicCacheKey(),this.initialCacheKey=this.getCacheKey(),this._nodeBuilderState=null,this._bindings=null,this._monitor=null,this.onDispose=null,this.isRenderObject=!0,this.onMaterialDispose=()=>{this.dispose()},this.onGeometryDispose=()=>{this.attributes=null,this.attributesId=null},this.material.addEventListener("dispose",this.onMaterialDispose),this.geometry.addEventListener("dispose",this.onGeometryDispose)}updateClipping(e){this.clippingContext=e}get clippingNeedsUpdate(){return null!==this.clippingContext&&this.clippingContext.cacheKey!==this.clippingContextCacheKey&&(this.clippingContextCacheKey=this.clippingContext.cacheKey,!0)}get hardwareClippingPlanes(){return!0===this.material.hardwareClipping?this.clippingContext.unionClippingCount:0}getNodeBuilderState(){return this._nodeBuilderState||(this._nodeBuilderState=this._nodes.getForRender(this))}getMonitor(){return this._monitor||(this._monitor=this.getNodeBuilderState().observer)}getBindings(){return this._bindings||(this._bindings=this.getNodeBuilderState().createBindings())}getBindingGroup(e){for(const t of this.getBindings())if(t.name===e)return t}getIndex(){return this._geometries.getIndex(this)}getIndirect(){return this._geometries.getIndirect(this)}getIndirectOffset(){return this._geometries.getIndirectOffset(this)}getChainArray(){return[this.object,this.material,this.context,this.lightsNode]}setGeometry(e){this.geometry=e,this.attributes=null,this.attributesId=null}getAttributes(){if(null!==this.attributes)return this.attributes;const e=this.getNodeBuilderState().nodeAttributes,t=this.geometry,r=[],s=new Set,i={};for(const n of e){let e;if(n.node&&n.node.attribute?e=n.node.attribute:(e=t.getAttribute(n.name),i[n.name]=e.id),void 0===e)continue;r.push(e);const a=e.isInterleavedBufferAttribute?e.data:e;s.add(a)}return this.attributes=r,this.attributesId=i,this.vertexBuffers=Array.from(s.values()),r}getVertexBuffers(){return null===this.vertexBuffers&&this.getAttributes(),this.vertexBuffers}getDrawParameters(){const{object:e,material:t,geometry:r,group:s,drawRange:i}=this,n=this.drawParams||(this.drawParams={vertexCount:0,firstVertex:0,instanceCount:0,firstInstance:0}),a=this.getIndex(),o=null!==a;let u=1;if(!0===r.isInstancedBufferGeometry?u=r.instanceCount:void 0!==e.count&&(u=Math.max(0,e.count)),0===u)return null;if(n.instanceCount=u,!0===e.isBatchedMesh)return n;let l=1;!0!==t.wireframe||e.isPoints||e.isLineSegments||e.isLine||e.isLineLoop||(l=2);let d=i.start*l,c=(i.start+i.count)*l;null!==s&&(d=Math.max(d,s.start*l),c=Math.min(c,(s.start+s.count)*l));const h=r.attributes.position;let p=1/0;o?p=a.count:null!=h&&(p=h.count),d=Math.max(d,0),c=Math.min(c,p);const g=c-d;return g<0||g===1/0?null:(n.vertexCount=g,n.firstVertex=d,n)}getGeometryCacheKey(){const{geometry:e}=this;let t="";for(const r of Object.keys(e.attributes).sort()){const s=e.attributes[r];t+=r+",",s.data&&(t+=s.data.stride+","),s.offset&&(t+=s.offset+","),s.itemSize&&(t+=s.itemSize+","),s.normalized&&(t+="n,")}for(const r of Object.keys(e.morphAttributes).sort()){const s=e.morphAttributes[r];t+="morph-"+r+",";for(let e=0,r=s.length;e<r;e++){t+=s[e].id+","}}return e.index&&(t+="index,"),t}getMaterialCacheKey(){const{object:e,material:t,renderer:r}=this;let s=t.customProgramCacheKey();for(const e of function(e){const t=Object.keys(e);let r=Object.getPrototypeOf(e);for(;r;){const e=Object.getOwnPropertyDescriptors(r);for(const r in e)if(void 0!==e[r]){const s=e[r];s&&"function"==typeof s.get&&t.push(r)}r=Object.getPrototypeOf(r)}return t}(t)){if(/^(is[A-Z]|_)|^(visible|version|uuid|name|opacity|userData)$/.test(e))continue;const i=t[e];let n;if(null!==i){const e=typeof i;"number"===e?n=0!==i?"1":"0":"object"===e?(n="{",i.isTexture&&(n+=i.mapping,!0===r.backend.isWebGPUBackend&&(n+=i.magFilter,n+=i.minFilter,n+=i.wrapS,n+=i.wrapT,n+=i.wrapR)),n+="}"):n=String(i)}else n=String(i);s+=n+","}return s+=this.clippingContextCacheKey+",",e.geometry&&(s+=this.getGeometryCacheKey()),e.skeleton&&(s+=e.skeleton.bones.length+","),e.isBatchedMesh&&(s+=e._matricesTexture.uuid+",",null!==e._colorsTexture&&(s+=e._colorsTexture.uuid+",")),(e.isInstancedMesh||e.count>1||Array.isArray(e.morphTargetInfluences))&&(s+=e.uuid+","),s+=this.context.id+",",s+=e.receiveShadow+",",Us(s)}get needsGeometryUpdate(){if(this.geometry.id!==this.object.geometry.id)return!0;if(null!==this.attributes){const e=this.attributesId;for(const t in e){const r=this.geometry.getAttribute(t);if(void 0===r||e[t]!==r.id)return!0}}return!1}get needsUpdate(){return this.initialNodesCacheKey!==this.getDynamicCacheKey()||this.clippingNeedsUpdate}getDynamicCacheKey(){let e=0;return!0!==this.material.isShadowPassMaterial&&(e=this._nodes.getCacheKey(this.scene,this.lightsNode)),this.camera.isArrayCamera&&(e=Os(e,this.camera.cameras.length)),this.object.receiveShadow&&(e=Os(e,1)),e=Os(e,this.renderer.contextNode.id,this.renderer.contextNode.version),e}getCacheKey(){return this.getMaterialCacheKey()+this.getDynamicCacheKey()}dispose(){this.material.removeEventListener("dispose",this.onMaterialDispose),this.geometry.removeEventListener("dispose",this.onGeometryDispose),this.onDispose()}}const my=[];class fy{constructor(e,t,r,s,i,n){this.renderer=e,this.nodes=t,this.geometries=r,this.pipelines=s,this.bindings=i,this.info=n,this.chainMaps={}}get(e,t,r,s,i,n,a,o){const u=this.getChainMap(o);my[0]=e,my[1]=t,my[2]=n,my[3]=i;let l=u.get(my);return void 0===l?(l=this.createRenderObject(this.nodes,this.geometries,this.renderer,e,t,r,s,i,n,a,o),u.set(my,l)):(l.camera=s,l.updateClipping(a),l.needsGeometryUpdate&&l.setGeometry(e.geometry),(l.version!==t.version||l.needsUpdate)&&(l.initialCacheKey!==l.getCacheKey()?(l.dispose(),l=this.get(e,t,r,s,i,n,a,o)):l.version=t.version)),my[0]=null,my[1]=null,my[2]=null,my[3]=null,l}getChainMap(e="default"){return this.chainMaps[e]||(this.chainMaps[e]=new hy)}dispose(){this.chainMaps={}}createRenderObject(e,t,r,s,i,n,a,o,u,l,d){const c=this.getChainMap(d),h=new gy(e,t,r,s,i,n,a,o,u,l);return h.onDispose=()=>{this.pipelines.delete(h),this.bindings.deleteForRender(h),this.nodes.delete(h),c.delete(h.getChainArray())},h}}class yy{constructor(){this.data=new WeakMap}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}delete(e){let t=null;return this.data.has(e)&&(t=this.data.get(e),this.data.delete(e)),t}has(e){return this.data.has(e)}dispose(){this.data=new WeakMap}}const by=1,xy=2,Ty=3,_y=4,vy=16;class Ny extends yy{constructor(e){super(),this.backend=e}delete(e){const t=super.delete(e);return null!==t&&this.backend.destroyAttribute(e),t}update(e,t){const r=this.get(e);if(void 0===r.version)t===by?this.backend.createAttribute(e):t===xy?this.backend.createIndexAttribute(e):t===Ty?this.backend.createStorageAttribute(e):t===_y&&this.backend.createIndirectStorageAttribute(e),r.version=this._getBufferAttribute(e).version;else{const t=this._getBufferAttribute(e);(r.version<t.version||t.usage===x)&&(this.backend.updateAttribute(e),r.version=t.version)}}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}function Sy(e){return null!==e.index?e.index.version:e.attributes.position.version}function Ry(e){return null!==e.index?e.index.id:e.attributes.position.id}function Ey(e){const t=[],r=e.index,s=e.attributes.position;if(null!==r){const e=r.array;for(let r=0,s=e.length;r<s;r+=3){const s=e[r+0],i=e[r+1],n=e[r+2];t.push(s,i,i,n,n,s)}}else{for(let e=0,r=s.array.length/3-1;e<r;e+=3){const r=e+0,s=e+1,i=e+2;t.push(r,s,s,i,i,r)}}const i=new(s.count>=65535?Pe:De)(t,1);return i.version=Sy(e),i.__id=Ry(e),i}class Ay extends yy{constructor(e,t){super(),this.attributes=e,this.info=t,this.wireframes=new WeakMap,this.attributeCall=new WeakMap,this._geometryDisposeListeners=new Map}has(e){const t=e.geometry;return super.has(t)&&!0===this.get(t).initialized}updateForRender(e){!1===this.has(e)&&this.initGeometry(e),this.updateAttributes(e)}initGeometry(e){const t=e.geometry;this.get(t).initialized=!0,this.info.memory.geometries++;const r=()=>{this.info.memory.geometries--;const s=t.index,i=e.getAttributes();null!==s&&this.attributes.delete(s);for(const e of i)this.attributes.delete(e);const n=this.wireframes.get(t);void 0!==n&&this.attributes.delete(n),t.removeEventListener("dispose",r),this._geometryDisposeListeners.delete(t)};t.addEventListener("dispose",r),this._geometryDisposeListeners.set(t,r)}updateAttributes(e){const t=e.getAttributes();for(const e of t)e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute?this.updateAttribute(e,Ty):this.updateAttribute(e,by);const r=this.getIndex(e);null!==r&&this.updateAttribute(r,xy);const s=e.geometry.indirect;null!==s&&this.updateAttribute(s,_y)}updateAttribute(e,t){const r=this.info.render.calls;e.isInterleavedBufferAttribute?void 0===this.attributeCall.get(e)?(this.attributes.update(e,t),this.attributeCall.set(e,r)):this.attributeCall.get(e.data)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e.data,r),this.attributeCall.set(e,r)):this.attributeCall.get(e)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e,r))}getIndirect(e){return e.geometry.indirect}getIndirectOffset(e){return e.geometry.indirectOffset}getIndex(e){const{geometry:t,material:r}=e;let s=t.index;if(!0===r.wireframe){const e=this.wireframes;let r=e.get(t);void 0===r?(r=Ey(t),e.set(t,r)):r.version===Sy(t)&&r.__id===Ry(t)||(this.attributes.delete(r),r=Ey(t),e.set(t,r)),s=r}return s}dispose(){for(const[e,t]of this._geometryDisposeListeners.entries())e.removeEventListener("dispose",t);this._geometryDisposeListeners.clear()}}class wy{constructor(){this.autoReset=!0,this.frame=0,this.calls=0,this.render={calls:0,frameCalls:0,drawCalls:0,triangles:0,points:0,lines:0,timestamp:0},this.compute={calls:0,frameCalls:0,timestamp:0},this.memory={geometries:0,textures:0}}update(e,t,r){this.render.drawCalls++,e.isMesh||e.isSprite?this.render.triangles+=r*(t/3):e.isPoints?this.render.points+=r*t:e.isLineSegments?this.render.lines+=r*(t/2):e.isLine?this.render.lines+=r*(t-1):o("WebGPUInfo: Unknown object type.")}reset(){this.render.drawCalls=0,this.render.frameCalls=0,this.compute.frameCalls=0,this.render.triangles=0,this.render.points=0,this.render.lines=0}dispose(){this.reset(),this.calls=0,this.render.calls=0,this.compute.calls=0,this.render.timestamp=0,this.compute.timestamp=0,this.memory.geometries=0,this.memory.textures=0}}class Cy{constructor(e){this.cacheKey=e,this.usedTimes=0}}class My extends Cy{constructor(e,t,r){super(e),this.vertexProgram=t,this.fragmentProgram=r}}class By extends Cy{constructor(e,t){super(e),this.computeProgram=t,this.isComputePipeline=!0}}let Fy=0;class Ly{constructor(e,t,r,s=null,i=null){this.id=Fy++,this.code=e,this.stage=t,this.name=r,this.transforms=s,this.attributes=i,this.usedTimes=0}}class Py extends yy{constructor(e,t){super(),this.backend=e,this.nodes=t,this.bindings=null,this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}getForCompute(e,t){const{backend:r}=this,s=this.get(e);if(this._needsComputeUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.computeProgram.usedTimes--);const n=this.nodes.getForCompute(e);let a=this.programs.compute.get(n.computeShader);void 0===a&&(i&&0===i.computeProgram.usedTimes&&this._releaseProgram(i.computeProgram),a=new Ly(n.computeShader,"compute",e.name,n.transforms,n.nodeAttributes),this.programs.compute.set(n.computeShader,a),r.createProgram(a));const o=this._getComputeCacheKey(e,a);let u=this.caches.get(o);void 0===u&&(i&&0===i.usedTimes&&this._releasePipeline(i),u=this._getComputePipeline(e,a,o,t)),u.usedTimes++,a.usedTimes++,s.version=e.version,s.pipeline=u}return s.pipeline}getForRender(e,t=null){const{backend:r}=this,s=this.get(e);if(this._needsRenderUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.vertexProgram.usedTimes--,i.fragmentProgram.usedTimes--);const n=e.getNodeBuilderState(),a=e.material?e.material.name:"";let o=this.programs.vertex.get(n.vertexShader);void 0===o&&(i&&0===i.vertexProgram.usedTimes&&this._releaseProgram(i.vertexProgram),o=new Ly(n.vertexShader,"vertex",a),this.programs.vertex.set(n.vertexShader,o),r.createProgram(o));let u=this.programs.fragment.get(n.fragmentShader);void 0===u&&(i&&0===i.fragmentProgram.usedTimes&&this._releaseProgram(i.fragmentProgram),u=new Ly(n.fragmentShader,"fragment",a),this.programs.fragment.set(n.fragmentShader,u),r.createProgram(u));const l=this._getRenderCacheKey(e,o,u);let d=this.caches.get(l);void 0===d?(i&&0===i.usedTimes&&this._releasePipeline(i),d=this._getRenderPipeline(e,o,u,l,t)):e.pipeline=d,d.usedTimes++,o.usedTimes++,u.usedTimes++,s.pipeline=d}return s.pipeline}delete(e){const t=this.get(e).pipeline;return t&&(t.usedTimes--,0===t.usedTimes&&this._releasePipeline(t),t.isComputePipeline?(t.computeProgram.usedTimes--,0===t.computeProgram.usedTimes&&this._releaseProgram(t.computeProgram)):(t.fragmentProgram.usedTimes--,t.vertexProgram.usedTimes--,0===t.vertexProgram.usedTimes&&this._releaseProgram(t.vertexProgram),0===t.fragmentProgram.usedTimes&&this._releaseProgram(t.fragmentProgram))),super.delete(e)}dispose(){super.dispose(),this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}updateForRender(e){this.getForRender(e)}_getComputePipeline(e,t,r,s){r=r||this._getComputeCacheKey(e,t);let i=this.caches.get(r);return void 0===i&&(i=new By(r,t),this.caches.set(r,i),this.backend.createComputePipeline(i,s)),i}_getRenderPipeline(e,t,r,s,i){s=s||this._getRenderCacheKey(e,t,r);let n=this.caches.get(s);return void 0===n&&(n=new My(s,t,r),this.caches.set(s,n),e.pipeline=n,this.backend.createRenderPipeline(e,i)),n}_getComputeCacheKey(e,t){return e.id+","+t.id}_getRenderCacheKey(e,t,r){return t.id+","+r.id+","+this.backend.getRenderCacheKey(e)}_releasePipeline(e){this.caches.delete(e.cacheKey)}_releaseProgram(e){const t=e.code,r=e.stage;this.programs[r].delete(t)}_needsComputeUpdate(e){const t=this.get(e);return void 0===t.pipeline||t.version!==e.version}_needsRenderUpdate(e){return void 0===this.get(e).pipeline||this.backend.needsRenderUpdate(e)}}class Dy extends yy{constructor(e,t,r,s,i,n){super(),this.backend=e,this.textures=r,this.pipelines=i,this.attributes=s,this.nodes=t,this.info=n,this.pipelines.bindings=this}getForRender(e){const t=e.getBindings();for(const e of t){const r=this.get(e);void 0===r.bindGroup&&(this._init(e),this.backend.createBindings(e,t,0),r.bindGroup=e)}return t}getForCompute(e){const t=this.nodes.getForCompute(e).bindings;for(const e of t){const r=this.get(e);void 0===r.bindGroup&&(this._init(e),this.backend.createBindings(e,t,0),r.bindGroup=e)}return t}updateForCompute(e){this._updateBindings(this.getForCompute(e))}updateForRender(e){this._updateBindings(this.getForRender(e))}deleteForCompute(e){const t=this.nodes.getForCompute(e).bindings;for(const e of t)this.backend.deleteBindGroupData(e),this.delete(e)}deleteForRender(e){const t=e.getBindings();for(const e of t)this.backend.deleteBindGroupData(e),this.delete(e)}_updateBindings(e){for(const t of e)this._update(t,e)}_init(e){for(const t of e.bindings)if(t.isSampledTexture)this.textures.updateTexture(t.texture);else if(t.isSampler)this.textures.updateSampler(t.texture);else if(t.isStorageBuffer){const e=t.attribute,r=e.isIndirectStorageBufferAttribute?_y:Ty;this.attributes.update(e,r)}}_update(e,t){const{backend:r}=this;let s=!1,i=!0,n=0,a=0;for(const t of e.bindings){if(!1!==this.nodes.updateGroup(t)){if(t.isStorageBuffer){const e=t.attribute,i=e.isIndirectStorageBufferAttribute?_y:Ty,n=r.get(t);this.attributes.update(e,i),n.attribute!==e&&(n.attribute=e,s=!0)}if(t.isUniformBuffer){t.update()&&r.updateBinding(t)}else if(t.isSampledTexture){const e=t.update(),o=t.texture,u=this.textures.get(o);e&&(this.textures.updateTexture(o),t.generation!==u.generation&&(t.generation=u.generation,s=!0,i=!1));if(void 0!==r.get(o).externalTexture||u.isDefaultTexture?i=!1:(n=10*n+o.id,a+=o.version),!0===o.isStorageTexture&&!0===o.mipmapsAutoUpdate){const e=this.get(o);!0===t.store?e.needsMipmap=!0:this.textures.needsMipmaps(o)&&!0===e.needsMipmap&&(this.backend.generateMipmaps(o),e.needsMipmap=!1)}}else if(t.isSampler){if(t.update()){const e=this.textures.updateSampler(t.texture);t.samplerKey!==e&&(t.samplerKey=e,s=!0,i=!1)}}t.isBuffer&&t.updateRanges.length>0&&t.clearUpdateRanges()}}!0===s&&this.backend.updateBindings(e,t,i?n:0,a)}}function Uy(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?e.z-t.z:e.id-t.id}function Iy(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?t.z-e.z:e.id-t.id}function Oy(e){return(e.transmission>0||e.transmissionNode&&e.transmissionNode.isNode)&&e.side===B&&!1===e.forceSinglePass}class Vy{constructor(e,t,r){this.renderItems=[],this.renderItemsIndex=0,this.opaque=[],this.transparentDoublePass=[],this.transparent=[],this.bundles=[],this.lightsNode=e.getNode(t,r),this.lightsArray=[],this.scene=t,this.camera=r,this.occlusionQueryCount=0}begin(){return this.renderItemsIndex=0,this.opaque.length=0,this.transparentDoublePass.length=0,this.transparent.length=0,this.bundles.length=0,this.lightsArray.length=0,this.occlusionQueryCount=0,this}getNextRenderItem(e,t,r,s,i,n,a){let o=this.renderItems[this.renderItemsIndex];return void 0===o?(o={id:e.id,object:e,geometry:t,material:r,groupOrder:s,renderOrder:e.renderOrder,z:i,group:n,clippingContext:a},this.renderItems[this.renderItemsIndex]=o):(o.id=e.id,o.object=e,o.geometry=t,o.material=r,o.groupOrder=s,o.renderOrder=e.renderOrder,o.z=i,o.group=n,o.clippingContext=a),this.renderItemsIndex++,o}push(e,t,r,s,i,n,a){const o=this.getNextRenderItem(e,t,r,s,i,n,a);!0===e.occlusionTest&&this.occlusionQueryCount++,!0===r.transparent||r.transmission>0||r.transmissionNode&&r.transmissionNode.isNode||r.backdropNode&&r.backdropNode.isNode?(Oy(r)&&this.transparentDoublePass.push(o),this.transparent.push(o)):this.opaque.push(o)}unshift(e,t,r,s,i,n,a){const o=this.getNextRenderItem(e,t,r,s,i,n,a);!0===r.transparent||r.transmission>0||r.transmissionNode&&r.transmissionNode.isNode||r.backdropNode&&r.backdropNode.isNode?(Oy(r)&&this.transparentDoublePass.unshift(o),this.transparent.unshift(o)):this.opaque.unshift(o)}pushBundle(e){this.bundles.push(e)}pushLight(e){this.lightsArray.push(e)}sort(e,t){this.opaque.length>1&&this.opaque.sort(e||Uy),this.transparentDoublePass.length>1&&this.transparentDoublePass.sort(t||Iy),this.transparent.length>1&&this.transparent.sort(t||Iy)}finish(){this.lightsNode.setLights(this.lightsArray);for(let e=this.renderItemsIndex,t=this.renderItems.length;e<t;e++){const t=this.renderItems[e];if(null===t.id)break;t.id=null,t.object=null,t.geometry=null,t.material=null,t.groupOrder=null,t.renderOrder=null,t.z=null,t.group=null,t.clippingContext=null}}}const ky=[];class Gy{constructor(e){this.lighting=e,this.lists=new hy}get(e,t){const r=this.lists;ky[0]=e,ky[1]=t;let s=r.get(ky);return void 0===s&&(s=new Vy(this.lighting,e,t),r.set(ky,s)),ky[0]=null,ky[1]=null,s}dispose(){this.lists=new hy}}let zy=0;class $y{constructor(){this.id=zy++,this.mrt=null,this.color=!0,this.clearColor=!0,this.clearColorValue={r:0,g:0,b:0,a:1},this.depth=!0,this.clearDepth=!0,this.clearDepthValue=1,this.stencil=!1,this.clearStencil=!0,this.clearStencilValue=1,this.viewport=!1,this.viewportValue=new s,this.scissor=!1,this.scissorValue=new s,this.renderTarget=null,this.textures=null,this.depthTexture=null,this.activeCubeFace=0,this.activeMipmapLevel=0,this.sampleCount=1,this.width=0,this.height=0,this.occlusionQueryCount=0,this.clippingContext=null,this.camera=null,this.isRenderContext=!0}getCacheKey(){return Wy(this)}}function Wy(e){const{textures:t,activeCubeFace:r,activeMipmapLevel:s}=e,i=[r,s];for(const e of t)i.push(e.id);return Is(i)}class Hy{constructor(){this._renderContexts={}}get(e=null,t=null,r=0){let s;if(null===e)s="default";else{const t=e.texture.format,r=e.texture.type;s=`${e.textures.length}:${t}:${r}:${e.samples}:${e.depthBuffer}:${e.stencilBuffer}`}const i=s+"-"+(null!==t?t.id:"default")+"-"+r;let n=this._renderContexts[i];return void 0===n&&(n=new $y,n.mrt=t,this._renderContexts[i]=n),null!==e&&(n.sampleCount=0===e.samples?1:e.samples),n}dispose(){this._renderContexts={}}}const qy=new r;class jy extends yy{constructor(e,t,r){super(),this.renderer=e,this.backend=t,this.info=r}updateRenderTarget(e,t=0){const r=this.get(e),s=0===e.samples?1:e.samples,i=r.depthTextureMips||(r.depthTextureMips={}),n=e.textures,a=this.getSize(n[0]),o=a.width>>t,u=a.height>>t;let l=e.depthTexture||i[t];const d=!0===e.depthBuffer||!0===e.stencilBuffer;let c=!1;void 0===l&&d&&(l=new Y,l.format=e.stencilBuffer?Ue:Ie,l.type=e.stencilBuffer?Oe:S,l.image.width=o,l.image.height=u,l.image.depth=a.depth,l.renderTarget=e,l.isArrayTexture=!0===e.multiview&&a.depth>1,i[t]=l),r.width===a.width&&a.height===r.height||(c=!0,l&&(l.needsUpdate=!0,l.image.width=o,l.image.height=u,l.image.depth=l.isArrayTexture?l.image.depth:1)),r.width=a.width,r.height=a.height,r.textures=n,r.depthTexture=l||null,r.depth=e.depthBuffer,r.stencil=e.stencilBuffer,r.renderTarget=e,r.sampleCount!==s&&(c=!0,l&&(l.needsUpdate=!0),r.sampleCount=s);const h={sampleCount:s};if(!0!==e.isXRRenderTarget){for(let e=0;e<n.length;e++){const t=n[e];c&&(t.needsUpdate=!0),this.updateTexture(t,h)}l&&this.updateTexture(l,h)}!0!==r.initialized&&(r.initialized=!0,r.onDispose=()=>{this._destroyRenderTarget(e)},e.addEventListener("dispose",r.onDispose))}updateTexture(e,t={}){const r=this.get(e);if(!0===r.initialized&&r.version===e.version)return;const s=e.isRenderTargetTexture||e.isDepthTexture||e.isFramebufferTexture,i=this.backend;if(s&&!0===r.initialized&&i.destroyTexture(e),e.isFramebufferTexture){const t=this.renderer.getRenderTarget();e.type=t?t.texture.type:Ve}const{width:n,height:a,depth:o}=this.getSize(e);if(t.width=n,t.height=a,t.depth=o,t.needsMipmaps=this.needsMipmaps(e),t.levels=t.needsMipmaps?this.getMipLevels(e,n,a):1,e.isCubeTexture&&e.mipmaps.length>0&&t.levels++,s||!0===e.isStorageTexture||!0===e.isExternalTexture)i.createTexture(e,t),r.generation=e.version;else if(e.version>0){const s=e.image;if(void 0===s)d("Renderer: Texture marked for update but image is undefined.");else if(!1===s.complete)d("Renderer: Texture marked for update but image is incomplete.");else{if(e.images){const r=[];for(const t of e.images)r.push(t);t.images=r}else t.image=s;void 0!==r.isDefaultTexture&&!0!==r.isDefaultTexture||(i.createTexture(e,t),r.isDefaultTexture=!1,r.generation=e.version),!0===e.source.dataReady&&i.updateTexture(e,t);const n=!0===e.isStorageTexture&&!1===e.mipmapsAutoUpdate;t.needsMipmaps&&0===e.mipmaps.length&&!n&&i.generateMipmaps(e),e.onUpdate&&e.onUpdate(e)}}else i.createDefaultTexture(e),r.isDefaultTexture=!0,r.generation=e.version;!0!==r.initialized&&(r.initialized=!0,r.generation=e.version,this.info.memory.textures++,e.isVideoTexture&&!0===p.enabled&&p.getTransfer(e.colorSpace)!==g&&d("WebGPURenderer: Video textures must use a color space with a sRGB transfer function, e.g. SRGBColorSpace."),r.onDispose=()=>{this._destroyTexture(e)},e.addEventListener("dispose",r.onDispose)),r.version=e.version}updateSampler(e){return this.backend.updateSampler(e)}getSize(e,t=qy){let r=e.images?e.images[0]:e.image;return r?(void 0!==r.image&&(r=r.image),"undefined"!=typeof HTMLVideoElement&&r instanceof HTMLVideoElement?(t.width=r.videoWidth||1,t.height=r.videoHeight||1,t.depth=1):"undefined"!=typeof VideoFrame&&r instanceof VideoFrame?(t.width=r.displayWidth||1,t.height=r.displayHeight||1,t.depth=1):(t.width=r.width||1,t.height=r.height||1,t.depth=e.isCubeTexture?6:r.depth||1)):t.width=t.height=t.depth=1,t}getMipLevels(e,t,r){let s;return s=e.mipmaps.length>0?e.mipmaps.length:!0===e.isCompressedTexture?1:Math.floor(Math.log2(Math.max(t,r)))+1,s}needsMipmaps(e){return!0===e.generateMipmaps||e.mipmaps.length>0}_destroyRenderTarget(e){if(!0===this.has(e)){const t=this.get(e),r=t.textures,s=t.depthTexture;e.removeEventListener("dispose",t.onDispose);for(let e=0;e<r.length;e++)this._destroyTexture(r[e]);s&&this._destroyTexture(s),this.delete(e),this.backend.delete(e)}}_destroyTexture(e){if(!0===this.has(e)){const t=this.get(e);e.removeEventListener("dispose",t.onDispose);const r=t.isDefaultTexture;this.backend.destroyTexture(e,r),this.delete(e),this.info.memory.textures--}}}class Xy extends e{constructor(e,t,r,s=1){super(e,t,r),this.a=s}set(e,t,r,s=1){return this.a=s,super.set(e,t,r)}copy(e){return void 0!==e.a&&(this.a=e.a),super.copy(e)}clone(){return new this.constructor(this.r,this.g,this.b,this.a)}}class Ky extends Dn{static get type(){return"ParameterNode"}constructor(e,t=null){super(e,t),this.isParameterNode=!0}getMemberType(e,t){const r=this.getNodeType(e),s=e.getStructTypeNode(r);let i;return null!==s?i=s.getMemberType(e,t):(o(`TSL: Member "${t}" not found in struct "${r}".`,new Ps),i="float"),i}getHash(){return this.uuid}generate(){return this.name}}class Yy extends ui{static get type(){return"StackNode"}constructor(e=null){super(),this.nodes=[],this.outputNode=null,this.parent=e,this._currentCond=null,this._expressionNode=null,this._currentNode=null,this.isStackNode=!0}getElementType(e){return this.hasOutput(e)?this.outputNode.getElementType(e):"void"}getNodeType(e){return this.hasOutput(e)?this.outputNode.getNodeType(e):"void"}getMemberType(e,t){return this.hasOutput(e)?this.outputNode.getMemberType(e,t):"void"}addToStack(e,t=this.nodes.length){return!0!==e.isNode?(o("TSL: Invalid node added to stack.",new Ps),this):(this.nodes.splice(t,0,e),this)}addToStackBefore(e){const t=this._currentNode?this.nodes.indexOf(this._currentNode):0;return this.addToStack(e,t)}If(e,t){const r=new Qi(t);return this._currentCond=bu(e,r),this.addToStack(this._currentCond)}ElseIf(e,t){const r=new Qi(t),s=bu(e,r);return this._currentCond.elseNode=s,this._currentCond=s,this}Else(e){return this._currentCond.elseNode=new Qi(e),this}Switch(e){return this._expressionNode=Zi(e),this}Case(...e){const t=[];if(e.length>=2)for(let r=0;r<e.length-1;r++)t.push(this._expressionNode.equal(Zi(e[r])));else o("TSL: Invalid parameter length. Case() requires at least two parameters.",new Ps);const r=new Qi(e[e.length-1]);let s=t[0];for(let e=1;e<t.length;e++)s=s.or(t[e]);const i=bu(s,r);return null===this._currentCond?(this._currentCond=i,this.addToStack(this._currentCond)):(this._currentCond.elseNode=i,this._currentCond=i,this)}Default(e){return this.Else(e),this}setup(e){const t=e.getNodeProperties(this);let r=0;for(const s of this.getChildren())s.isVarNode&&s.isIntent(e)&&!0!==s.isAssign(e)||(t["node"+r++]=s);return t.outputNode||null}hasOutput(e){return this.outputNode&&this.outputNode.isNode&&"void"!==this.outputNode.getNodeType(e)}build(e,...t){const r=dn(),s=e.buildStage;ln(this),e.setActiveStack(this);const i=t=>{if(this._currentNode=t,!t.isVarNode||!t.isIntent(e)||!0===t.isAssign(e))if("setup"===s)t.build(e);else if("analyze"===s)t.build(e,this);else if("generate"===s){const r=e.getDataFromNode(t,"any").stages,s=r&&r[e.shaderStage];if(t.isVarNode&&s&&1===s.length&&s[0]&&s[0].isStackNode)return;t.build(e,"void")}},n=[...this.nodes];for(const e of n)i(e);this._currentNode=null;const a=this.nodes.filter(e=>-1===n.indexOf(e));for(const e of a)i(e);let o;return o=this.hasOutput(e)?this.outputNode.build(e,...t):super.build(e,...t),ln(r),e.removeActiveStack(this),o}}const Qy=rn(Yy).setParameterLength(0,1);class Zy extends ui{static get type(){return"StructTypeNode"}constructor(e,t=null){var r;super("struct"),this.membersLayout=(r=e,Object.entries(r).map(([e,t])=>"string"==typeof t?{name:e,type:t,atomic:!1}:{name:e,type:t.type,atomic:t.atomic||!1})),this.name=t,this.isStructLayoutNode=!0}getLength(){const e=Float32Array.BYTES_PER_ELEMENT;let t=1,r=0;for(const s of this.membersLayout){const i=s.type,n=Ws(i),a=Hs(i)/e;t=Math.max(t,a);const o=r%t%a;0!==o&&(r+=a-o),r+=n}return Math.ceil(r/t)*t}getMemberType(e,t){const r=this.membersLayout.find(e=>e.name===t);return r?r.type:"void"}getNodeType(e){return e.getStructTypeFromNode(this,this.membersLayout,this.name).name}setup(e){e.getStructTypeFromNode(this,this.membersLayout,this.name),e.addInclude(this)}generate(e){return this.getNodeType(e)}}class Jy extends ui{static get type(){return"StructNode"}constructor(e,t){super("vec3"),this.structTypeNode=e,this.values=t,this.isStructNode=!0}getNodeType(e){return this.structTypeNode.getNodeType(e)}getMemberType(e,t){return this.structTypeNode.getMemberType(e,t)}_getChildren(){const e=super._getChildren(),t=e.find(e=>e.childNode===this.structTypeNode);return e.splice(e.indexOf(t),1),e.push(t),e}generate(e){const t=e.getVarFromNode(this),r=t.type,s=e.getPropertyName(t);return e.addLineFlowCode(`${s} = ${e.generateStruct(r,this.structTypeNode.membersLayout,this.values)}`,this),t.name}}class eb extends ui{static get type(){return"OutputStructNode"}constructor(...e){super(),this.members=e,this.isOutputStructNode=!0}getNodeType(){return"OutputType"}generate(e){const t=e.getDataFromNode(this);if(void 0===t.membersLayout){const r=this.members,s=[];for(let t=0;t<r.length;t++){const i="m"+t,n=r[t].getNodeType(e);s.push({name:i,type:n,index:t})}t.membersLayout=s,t.structType=e.getOutputStructTypeFromNode(this,t.membersLayout)}const r=e.getOutputStructName(),s=this.members,i=""!==r?r+".":"";for(let t=0;t<s.length;t++){const r=s[t].build(e);e.addLineFlowCode(`${i}m${t} = ${r}`,this)}return r}}const tb=rn(eb);class rb{constructor(e=ke){this.blending=e,this.blendSrc=Ge,this.blendDst=ze,this.blendEquation=$e,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.premultiplyAlpha=!1}copy(e){return this.blending=e.blending,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.premultiplyAlpha=e.premultiplyAlpha,this}clone(){return(new this.constructor).copy(this)}}const sb=new rb(ee),ib=new rb(We);function nb(e,t){for(let r=0;r<e.length;r++)if(e[r].name===t)return r;return-1}class ab extends eb{static get type(){return"MRTNode"}constructor(e){super(),this.outputNodes=e,this.blendModes={output:ib},this.isMRTNode=!0}setBlendMode(e,t){return this.blendModes[e]=t,this}getBlendMode(e){return this.blendModes[e]||sb}has(e){return void 0!==this.outputNodes[e]}get(e){return this.outputNodes[e]}merge(e){const t={...this.outputNodes,...e.outputNodes},r={...this.blendModes,...e.blendModes},s=ob(t);return s.blendings=r,s}setup(e){const t=this.outputNodes,r=[],s=e.renderer.getRenderTarget().textures;for(const e in t){r[nb(s,e)]=En(t[e])}return this.members=r,super.setup(e)}}const ob=rn(ab);class ub extends ci{static get type(){return"BitcastNode"}constructor(e,t,r=null){super(),this.valueNode=e,this.conversionType=t,this.inputType=r,this.isBitcastNode=!0}getNodeType(e){if(null!==this.inputType){const t=this.valueNode.getNodeType(e),r=e.getTypeLength(t);return e.getTypeFromLength(r,this.conversionType)}return this.conversionType}generate(e){const t=this.getNodeType(e);let r="";if(null!==this.inputType){const t=this.valueNode.getNodeType(e);r=1===e.getTypeLength(t)?this.inputType:e.changeComponentType(t,this.inputType)}else r=this.valueNode.getNodeType(e);return`${e.getBitcastMethod(t,r)}( ${this.valueNode.build(e,r)} )`}}const lb=nn(ub).setParameterLength(2),db=e=>new ub(e,"uint","float"),cb={};class hb extends ro{static get type(){return"BitcountNode"}constructor(e,t){super(e,t),this.isBitcountNode=!0}_resolveElementType(e,t,r){"int"===r?t.assign(lb(e,"uint")):t.assign(e)}_returnDataNode(e){switch(e){case"uint":return fn;case"int":return mn;case"uvec2":return Tn;case"uvec3":return Sn;case"uvec4":return wn;case"ivec2":return xn;case"ivec3":return Nn;case"ivec4":return An}}_createTrailingZerosBaseLayout(e,t){const r=this._returnDataNode(t);return un(([e])=>{const s=fn(0);this._resolveElementType(e,s,t);const i=gn(s.bitAnd(Lo(s))),n=db(i).shiftRight(23).sub(127);return r(n)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createLeadingZerosBaseLayout(e,t){const r=this._returnDataNode(t);return un(([e])=>{cn(e.equal(fn(0)),()=>fn(32));const s=fn(0),i=fn(0);return this._resolveElementType(e,s,t),cn(s.shiftRight(16).equal(0),()=>{i.addAssign(16),s.shiftLeftAssign(16)}),cn(s.shiftRight(24).equal(0),()=>{i.addAssign(8),s.shiftLeftAssign(8)}),cn(s.shiftRight(28).equal(0),()=>{i.addAssign(4),s.shiftLeftAssign(4)}),cn(s.shiftRight(30).equal(0),()=>{i.addAssign(2),s.shiftLeftAssign(2)}),cn(s.shiftRight(31).equal(0),()=>{i.addAssign(1)}),r(i)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createOneBitsBaseLayout(e,t){const r=this._returnDataNode(t);return un(([e])=>{const s=fn(0);this._resolveElementType(e,s,t),s.assign(s.sub(s.shiftRight(fn(1)).bitAnd(fn(1431655765)))),s.assign(s.bitAnd(fn(858993459)).add(s.shiftRight(fn(2)).bitAnd(fn(858993459))));const i=s.add(s.shiftRight(fn(4))).bitAnd(fn(252645135)).mul(fn(16843009)).shiftRight(fn(24));return r(i)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createMainLayout(e,t,r,s){const i=this._returnDataNode(t);return un(([e])=>{if(1===r)return i(s(e));{const t=i(0),n=["x","y","z","w"];for(let i=0;i<r;i++){const r=n[i];t[r].assign(s(e[r]))}return t}}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}setup(e){const{method:t,aNode:r}=this,{renderer:s}=e;if(s.backend.isWebGPUBackend)return super.setup(e);const i=this.getInputType(e),n=e.getElementType(i),a=e.getTypeLength(i),o=`${t}_base_${n}`,u=`${t}_${i}`;let l=cb[o];if(void 0===l){switch(t){case hb.COUNT_LEADING_ZEROS:l=this._createLeadingZerosBaseLayout(o,n);break;case hb.COUNT_TRAILING_ZEROS:l=this._createTrailingZerosBaseLayout(o,n);break;case hb.COUNT_ONE_BITS:l=this._createOneBitsBaseLayout(o,n)}cb[o]=l}let d=cb[u];void 0===d&&(d=this._createMainLayout(u,i,a,l),cb[u]=d);return un(()=>d(r))()}}hb.COUNT_TRAILING_ZEROS="countTrailingZeros",hb.COUNT_LEADING_ZEROS="countLeadingZeros",hb.COUNT_ONE_BITS="countOneBits";const pb=nn(hb,hb.COUNT_TRAILING_ZEROS).setParameterLength(1),gb=nn(hb,hb.COUNT_LEADING_ZEROS).setParameterLength(1),mb=nn(hb,hb.COUNT_ONE_BITS).setParameterLength(1),fb=un(([e])=>{const t=e.toUint().mul(747796405).add(2891336453),r=t.shiftRight(t.shiftRight(28).add(4)).bitXor(t).mul(277803737);return r.shiftRight(22).bitXor(r).toFloat().mul(1/2**32)}),yb=(e,t)=>Zo(Fa(4,e.mul(Ba(1,e))),t);class bb extends ci{static get type(){return"PackFloatNode"}constructor(e,t){super(),this.vectorNode=t,this.encoding=e,this.isPackFloatNode=!0}getNodeType(){return"uint"}generate(e){const t=this.vectorNode.getNodeType(e);return`${e.getFloatPackingMethod(this.encoding)}(${this.vectorNode.build(e,t)})`}}const xb=nn(bb,"snorm").setParameterLength(1),Tb=nn(bb,"unorm").setParameterLength(1),_b=nn(bb,"float16").setParameterLength(1);class vb extends ci{static get type(){return"UnpackFloatNode"}constructor(e,t){super(),this.uintNode=t,this.encoding=e,this.isUnpackFloatNode=!0}getNodeType(){return"vec2"}generate(e){const t=this.uintNode.getNodeType(e);return`${e.getFloatUnpackingMethod(this.encoding)}(${this.uintNode.build(e,t)})`}}const Nb=nn(vb,"snorm").setParameterLength(1),Sb=nn(vb,"unorm").setParameterLength(1),Rb=nn(vb,"float16").setParameterLength(1),Eb=un(([e])=>e.fract().sub(.5).abs()).setLayout({name:"tri",type:"float",inputs:[{name:"x",type:"float"}]}),Ab=un(([e])=>vn(Eb(e.z.add(Eb(e.y.mul(1)))),Eb(e.z.add(Eb(e.x.mul(1)))),Eb(e.y.add(Eb(e.x.mul(1)))))).setLayout({name:"tri3",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),wb=un(([e,t,r])=>{const s=vn(e).toVar(),i=gn(1.4).toVar(),n=gn(0).toVar(),a=vn(s).toVar();return Sp({start:gn(0),end:gn(3),type:"float",condition:"<="},()=>{const e=vn(Ab(a.mul(2))).toVar();s.addAssign(e.add(r.mul(gn(.1).mul(t)))),a.mulAssign(1.8),i.mulAssign(1.5),s.mulAssign(1.2);const o=gn(Eb(s.z.add(Eb(s.x.add(Eb(s.y)))))).toVar();n.addAssign(o.div(i)),a.addAssign(.14)}),n}).setLayout({name:"triNoise3D",type:"float",inputs:[{name:"position",type:"vec3"},{name:"speed",type:"float"},{name:"time",type:"float"}]});class Cb extends ui{static get type(){return"FunctionOverloadingNode"}constructor(e=[],...t){super(),this.functionNodes=e,this.parametersNodes=t,this._candidateFn=null,this.global=!0}getNodeType(e){return this.getCandidateFn(e).shaderNode.layout.type}getCandidateFn(e){const t=this.parametersNodes;let r=this._candidateFn;if(null===r){let s=null,i=-1;for(const r of this.functionNodes){const n=r.shaderNode.layout;if(null===n)throw new Error("FunctionOverloadingNode: FunctionNode must be a layout.");const a=n.inputs;if(t.length===a.length){let n=0;for(let r=0;r<t.length;r++){const s=t[r],i=a[r];s.getNodeType(e)===i.type&&n++}n>i&&(s=r,i=n)}}this._candidateFn=r=s}return r}setup(e){return this.getCandidateFn(e)(...this.parametersNodes)}}const Mb=rn(Cb),Bb=e=>(...t)=>Mb(e,...t),Fb=_a(0).setGroup(ba).onRenderUpdate(e=>e.time),Lb=_a(0).setGroup(ba).onRenderUpdate(e=>e.deltaTime),Pb=_a(0,"uint").setGroup(ba).onRenderUpdate(e=>e.frameId);const Db=un(([e,t,r=bn(.5)])=>Yf(e.sub(r),t).add(r)),Ub=un(([e,t,r=bn(.5)])=>{const s=e.sub(r),i=s.dot(s),n=i.mul(i).mul(t);return e.add(s.mul(n))}),Ib=un(({position:e=null,horizontal:t=!0,vertical:r=!1})=>{let s;null!==e?(s=Dd.toVar(),s[3][0]=e.x,s[3][1]=e.y,s[3][2]=e.z):s=Dd;const i=Td.mul(s);return Ki(t)&&(i[0][0]=Dd[0].length(),i[0][1]=0,i[0][2]=0),Ki(r)&&(i[1][0]=0,i[1][1]=Dd[1].length(),i[1][2]=0),i[2][0]=0,i[2][1]=0,i[2][2]=1,bd.mul(i).mul(Xd)}),Ob=un(([e=null])=>{const t=Zp();return Zp(Wp(e)).sub(t).lessThan(0).select(jl,e)}),Vb=un(([e,t=Rl(),r=gn(0)])=>{const s=e.x,i=e.y,n=r.mod(s.mul(i)).floor(),a=n.mod(s),o=i.sub(n.add(1).div(s).ceil()),u=e.reciprocal(),l=bn(a,o);return t.add(l).mul(u)}),kb=un(([e,t=null,r=null,s=gn(1),i=Xd,n=nc])=>{let a=n.abs().normalize();a=a.div(a.dot(vn(1)));const o=i.yz.mul(s),u=i.zx.mul(s),l=i.xy.mul(s),d=e.value,c=null!==t?t.value:d,h=null!==r?r.value:d,p=Pl(d,o).mul(a.x),g=Pl(c,u).mul(a.y),m=Pl(h,l).mul(a.z);return Ma(p,g,m)}),Gb=new He,zb=new r,$b=new r,Wb=new r,Hb=new a,qb=new r(0,0,-1),jb=new s,Xb=new r,Kb=new r,Yb=new s,Qb=new t,Zb=new se,Jb=jl.flipX();Zb.depthTexture=new Y(1,1);let ex=!1;class tx extends Fl{static get type(){return"ReflectorNode"}constructor(e={}){super(e.defaultTexture||Zb.texture,Jb),this._reflectorBaseNode=e.reflector||new rx(this,e),this._depthNode=null,this.setUpdateMatrix(!1)}get reflector(){return this._reflectorBaseNode}get target(){return this._reflectorBaseNode.target}getDepthNode(){if(null===this._depthNode){if(!0!==this._reflectorBaseNode.depth)throw new Error("THREE.ReflectorNode: Depth node can only be requested when the reflector is created with { depth: true }. ");this._depthNode=Zi(new tx({defaultTexture:Zb.depthTexture,reflector:this._reflectorBaseNode}))}return this._depthNode}setup(e){return e.object.isQuadMesh||this._reflectorBaseNode.build(e),super.setup(e)}clone(){const e=new this.constructor(this.reflectorNode);return e.uvNode=this.uvNode,e.levelNode=this.levelNode,e.biasNode=this.biasNode,e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.offsetNode=this.offsetNode,e._reflectorBaseNode=this._reflectorBaseNode,e}dispose(){super.dispose(),this._reflectorBaseNode.dispose()}}class rx extends ui{static get type(){return"ReflectorBaseNode"}constructor(e,t={}){super();const{target:r=new qe,resolutionScale:s=1,generateMipmaps:i=!1,bounces:n=!0,depth:a=!1,samples:o=0}=t;this.textureNode=e,this.target=r,this.resolutionScale=s,void 0!==t.resolution&&(v('ReflectorNode: The "resolution" parameter has been renamed to "resolutionScale".'),this.resolutionScale=t.resolution),this.generateMipmaps=i,this.bounces=n,this.depth=a,this.samples=o,this.updateBeforeType=n?Js.RENDER:Js.FRAME,this.virtualCameras=new WeakMap,this.renderTargets=new Map,this.forceUpdate=!1,this.hasOutput=!1}_updateResolution(e,t){const r=this.resolutionScale;t.getDrawingBufferSize(Qb),e.setSize(Math.round(Qb.width*r),Math.round(Qb.height*r))}setup(e){return this._updateResolution(Zb,e.renderer),super.setup(e)}dispose(){super.dispose();for(const e of this.renderTargets.values())e.dispose()}getVirtualCamera(e){let t=this.virtualCameras.get(e);return void 0===t&&(t=e.clone(),this.virtualCameras.set(e,t)),t}getRenderTarget(e){let t=this.renderTargets.get(e);return void 0===t&&(t=new se(0,0,{type:be,samples:this.samples}),!0===this.generateMipmaps&&(t.texture.minFilter=je,t.texture.generateMipmaps=!0),!0===this.depth&&(t.depthTexture=new Y),this.renderTargets.set(e,t)),t}updateBefore(e){if(!1===this.bounces&&ex)return!1;ex=!0;const{scene:t,camera:r,renderer:s,material:i}=e,{target:n}=this,a=this.getVirtualCamera(r),o=this.getRenderTarget(a);s.getDrawingBufferSize(Qb),this._updateResolution(o,s),$b.setFromMatrixPosition(n.matrixWorld),Wb.setFromMatrixPosition(r.matrixWorld),Hb.extractRotation(n.matrixWorld),zb.set(0,0,1),zb.applyMatrix4(Hb),Xb.subVectors($b,Wb);let u=!1;if(!0===Xb.dot(zb)>0&&!1===this.forceUpdate){if(!1===this.hasOutput)return void(ex=!1);u=!0}Xb.reflect(zb).negate(),Xb.add($b),Hb.extractRotation(r.matrixWorld),qb.set(0,0,-1),qb.applyMatrix4(Hb),qb.add(Wb),Kb.subVectors($b,qb),Kb.reflect(zb).negate(),Kb.add($b),a.coordinateSystem=r.coordinateSystem,a.position.copy(Xb),a.up.set(0,1,0),a.up.applyMatrix4(Hb),a.up.reflect(zb),a.lookAt(Kb),a.near=r.near,a.far=r.far,a.updateMatrixWorld(),a.projectionMatrix.copy(r.projectionMatrix),Gb.setFromNormalAndCoplanarPoint(zb,$b),Gb.applyMatrix4(a.matrixWorldInverse),jb.set(Gb.normal.x,Gb.normal.y,Gb.normal.z,Gb.constant);const l=a.projectionMatrix;Yb.x=(Math.sign(jb.x)+l.elements[8])/l.elements[0],Yb.y=(Math.sign(jb.y)+l.elements[9])/l.elements[5],Yb.z=-1,Yb.w=(1+l.elements[10])/l.elements[14],jb.multiplyScalar(1/jb.dot(Yb));l.elements[2]=jb.x,l.elements[6]=jb.y,l.elements[10]=s.coordinateSystem===h?jb.z-0:jb.z+1-0,l.elements[14]=jb.w,this.textureNode.value=o.texture,!0===this.depth&&(this.textureNode.getDepthNode().value=o.depthTexture),i.visible=!1;const d=s.getRenderTarget(),c=s.getMRT(),p=s.autoClear;s.setMRT(null),s.setRenderTarget(o),s.autoClear=!0;const g=t.name;t.name=(t.name||"Scene")+" [ Reflector ]",u?(s.clear(),this.hasOutput=!1):(s.render(t,a),this.hasOutput=!0),t.name=g,s.setMRT(c),s.setRenderTarget(d),s.autoClear=p,i.visible=!0,ex=!1,this.forceUpdate=!1}get resolution(){return v('ReflectorNode: The "resolution" property has been renamed to "resolutionScale".'),this.resolutionScale}set resolution(e){v('ReflectorNode: The "resolution" property has been renamed to "resolutionScale".'),this.resolutionScale=e}}const sx=new _e(-1,1,1,-1,0,1);class ix extends Te{constructor(e=!1){super();const t=!1===e?[0,-1,0,1,2,1]:[0,2,0,0,2,0];this.setAttribute("position",new Xe([-1,3,0,-1,-1,0,3,-1,0],3)),this.setAttribute("uv",new Xe(t,2))}}const nx=new ix;class ax extends ne{constructor(e=null){super(nx,e),this.camera=sx,this.isQuadMesh=!0}async renderAsync(e){v('QuadMesh: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await e.init(),e.render(this,sx)}render(e){e.render(this,sx)}}const ox=new t;class ux extends Fl{static get type(){return"RTTNode"}constructor(e,t=null,r=null,s={type:be}){const i=new se(t,r,s);super(i.texture,Rl()),this.isRTTNode=!0,this.node=e,this.width=t,this.height=r,this.pixelRatio=1,this.renderTarget=i,this.textureNeedsUpdate=!0,this.autoUpdate=!0,this._rttNode=null,this._quadMesh=new ax(new pg),this.updateBeforeType=Js.RENDER}get autoResize(){return null===this.width}setup(e){return this._rttNode=this.node.context(e.getSharedContext()),this._quadMesh.material.name="RTT",this._quadMesh.material.needsUpdate=!0,super.setup(e)}setSize(e,t){this.width=e,this.height=t;const r=e*this.pixelRatio,s=t*this.pixelRatio;this.renderTarget.setSize(r,s),this.textureNeedsUpdate=!0}setPixelRatio(e){this.pixelRatio=e,this.setSize(this.width,this.height)}updateBefore({renderer:e}){if(!1===this.textureNeedsUpdate&&!1===this.autoUpdate)return;if(this.textureNeedsUpdate=!1,!0===this.autoResize){const t=e.getPixelRatio(),r=e.getSize(ox),s=Math.floor(r.width*t),i=Math.floor(r.height*t);s===this.renderTarget.width&&i===this.renderTarget.height||(this.renderTarget.setSize(s,i),this.textureNeedsUpdate=!0)}let t="RTT";this.node.name&&(t=this.node.name+" [ "+t+" ]"),this._quadMesh.material.fragmentNode=this._rttNode,this._quadMesh.name=t;const r=e.getRenderTarget();e.setRenderTarget(this.renderTarget),this._quadMesh.render(e),e.setRenderTarget(r)}clone(){const e=new Fl(this.value,this.uvNode,this.levelNode);return e.sampler=this.sampler,e.referenceNode=this,e}}const lx=(e,...t)=>new ux(Zi(e),...t),dx=un(([e,t,r],s)=>{let i;s.renderer.coordinateSystem===h?(e=bn(e.x,e.y.oneMinus()).mul(2).sub(1),i=En(vn(e,t),1)):i=En(vn(e.x,e.y.oneMinus(),t).mul(2).sub(1),1);const n=En(r.mul(i));return n.xyz.div(n.w)}),cx=un(([e,t])=>{const r=t.mul(En(e,1)),s=r.xy.div(r.w).mul(.5).add(.5).toVar();return bn(s.x,s.y.oneMinus())}),hx=un(([e,t,r])=>{const s=Al(Dl(t)),i=xn(e.mul(s)).toVar(),n=Dl(t,i).toVar(),a=Dl(t,i.sub(xn(2,0))).toVar(),o=Dl(t,i.sub(xn(1,0))).toVar(),u=Dl(t,i.add(xn(1,0))).toVar(),l=Dl(t,i.add(xn(2,0))).toVar(),d=Dl(t,i.add(xn(0,2))).toVar(),c=Dl(t,i.add(xn(0,1))).toVar(),h=Dl(t,i.sub(xn(0,1))).toVar(),p=Dl(t,i.sub(xn(0,2))).toVar(),g=Mo(Ba(gn(2).mul(o).sub(a),n)).toVar(),m=Mo(Ba(gn(2).mul(u).sub(l),n)).toVar(),f=Mo(Ba(gn(2).mul(c).sub(d),n)).toVar(),y=Mo(Ba(gn(2).mul(h).sub(p),n)).toVar(),b=dx(e,n,r).toVar(),x=g.lessThan(m).select(b.sub(dx(e.sub(bn(gn(1).div(s.x),0)),o,r)),b.negate().add(dx(e.add(bn(gn(1).div(s.x),0)),u,r))),T=f.lessThan(y).select(b.sub(dx(e.add(bn(0,gn(1).div(s.y))),c,r)),b.negate().add(dx(e.sub(bn(0,gn(1).div(s.y))),h,r)));return vo(Qo(x,T))}),px=un(([e])=>No(gn(52.9829189).mul(No(Yo(e,bn(.06711056,.00583715)))))).setLayout({name:"interleavedGradientNoise",type:"float",inputs:[{name:"position",type:"vec2"}]}),gx=un(([e,t,r])=>{const s=gn(2.399963229728653),i=bo(gn(e).add(.5).div(gn(t))),n=gn(e).mul(s).add(r);return bn(Ro(n),So(n)).mul(i)}).setLayout({name:"vogelDiskSample",type:"vec2",inputs:[{name:"sampleIndex",type:"int"},{name:"samplesCount",type:"int"},{name:"phi",type:"float"}]});class mx extends ui{static get type(){return"SampleNode"}constructor(e,t=null){super(),this.callback=e,this.uvNode=t,this.isSampleNode=!0}setup(){return this.sample(Rl())}sample(e){return this.callback(e)}}class fx extends ui{static get type(){return"EventNode"}constructor(e,t){super("void"),this.eventType=e,this.callback=t,e===fx.OBJECT?this.updateType=Js.OBJECT:e===fx.MATERIAL?this.updateType=Js.RENDER:e===fx.BEFORE_OBJECT?this.updateBeforeType=Js.OBJECT:e===fx.BEFORE_MATERIAL&&(this.updateBeforeType=Js.RENDER)}update(e){this.callback(e)}updateBefore(e){this.callback(e)}}fx.OBJECT="object",fx.MATERIAL="material",fx.BEFORE_OBJECT="beforeObject",fx.BEFORE_MATERIAL="beforeMaterial";const yx=(e,t)=>new fx(e,t).toStack();class bx extends W{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageInstancedBufferAttribute=!0}}class xx extends Ee{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageBufferAttribute=!0}}class Tx extends ui{static get type(){return"PointUVNode"}constructor(){super("vec2"),this.isPointUVNode=!0}generate(){return"vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y )"}}const _x=sn(Tx),vx=new F,Nx=new a,Sx=_a(0).setGroup(ba).onRenderUpdate(({scene:e})=>e.backgroundBlurriness),Rx=_a(1).setGroup(ba).onRenderUpdate(({scene:e})=>e.backgroundIntensity),Ex=_a(new a).setGroup(ba).onRenderUpdate(({scene:e})=>{const t=e.background;return null!==t&&t.isTexture&&t.mapping!==Ke?(vx.copy(e.backgroundRotation),vx.x*=-1,vx.y*=-1,vx.z*=-1,Nx.makeRotationFromEuler(vx)):Nx.identity(),Nx});class Ax extends Fl{static get type(){return"StorageTextureNode"}constructor(e,t,r=null){super(e,t),this.storeNode=r,this.mipLevel=0,this.isStorageTextureNode=!0,this.access=ti.WRITE_ONLY}getInputType(){return"storageTexture"}setup(e){super.setup(e);const t=e.getNodeProperties(this);return t.storeNode=this.storeNode,t}setAccess(e){return this.access=e,this}setMipLevel(e){return this.mipLevel=e,this}generate(e,t){let r;return r=null!==this.storeNode?this.generateStore(e):super.generate(e,t),r}toReadWrite(){return this.setAccess(ti.READ_WRITE)}toReadOnly(){return this.setAccess(ti.READ_ONLY)}toWriteOnly(){return this.setAccess(ti.WRITE_ONLY)}generateStore(e){const t=e.getNodeProperties(this),{uvNode:r,storeNode:s,depthNode:i}=t,n=super.generate(e,"property"),a=r.build(e,!0===this.value.is3DTexture?"uvec3":"uvec2"),o=s.build(e,"vec4"),u=i?i.build(e,"int"):null,l=e.generateTextureStore(e,n,a,u,o);e.addLineFlowCode(l,this)}clone(){const e=super.clone();return e.storeNode=this.storeNode,e.mipLevel=this.mipLevel,e.access=this.access,e}}const wx=rn(Ax).setParameterLength(1,3),Cx=un(({texture:e,uv:t})=>{const r=1e-4,s=vn().toVar();return cn(t.x.lessThan(r),()=>{s.assign(vn(1,0,0))}).ElseIf(t.y.lessThan(r),()=>{s.assign(vn(0,1,0))}).ElseIf(t.z.lessThan(r),()=>{s.assign(vn(0,0,1))}).ElseIf(t.x.greaterThan(.9999),()=>{s.assign(vn(-1,0,0))}).ElseIf(t.y.greaterThan(.9999),()=>{s.assign(vn(0,-1,0))}).ElseIf(t.z.greaterThan(.9999),()=>{s.assign(vn(0,0,-1))}).Else(()=>{const r=.01,i=e.sample(t.add(vn(-.01,0,0))).r.sub(e.sample(t.add(vn(r,0,0))).r),n=e.sample(t.add(vn(0,-.01,0))).r.sub(e.sample(t.add(vn(0,r,0))).r),a=e.sample(t.add(vn(0,0,-.01))).r.sub(e.sample(t.add(vn(0,0,r))).r);s.assign(vn(i,n,a))}),s.normalize()});class Mx extends Fl{static get type(){return"Texture3DNode"}constructor(e,t=null,r=null){super(e,t,r),this.isTexture3DNode=!0}getInputType(){return"texture3D"}getDefaultUV(){return vn(.5,.5,.5)}setUpdateMatrix(){}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}generateOffset(e,t){return t.build(e,"ivec3")}normal(e){return Cx({texture:this,uv:e})}}const Bx=rn(Mx).setParameterLength(1,3);class Fx extends Bc{static get type(){return"UserDataNode"}constructor(e,t,r=null){super(e,t,r),this.userData=r}updateReference(e){return this.reference=null!==this.userData?this.userData:e.object.userData,this.reference}}const Lx=new WeakMap;class Px extends ci{static get type(){return"VelocityNode"}constructor(){super("vec2"),this.projectionMatrix=null,this.updateType=Js.OBJECT,this.updateAfterType=Js.OBJECT,this.previousModelWorldMatrix=_a(new a),this.previousProjectionMatrix=_a(new a).setGroup(ba),this.previousCameraViewMatrix=_a(new a)}setProjectionMatrix(e){this.projectionMatrix=e}update({frameId:e,camera:t,object:r}){const s=Ux(r);this.previousModelWorldMatrix.value.copy(s);const i=Dx(t);i.frameId!==e&&(i.frameId=e,void 0===i.previousProjectionMatrix?(i.previousProjectionMatrix=new a,i.previousCameraViewMatrix=new a,i.currentProjectionMatrix=new a,i.currentCameraViewMatrix=new a,i.previousProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.previousCameraViewMatrix.copy(t.matrixWorldInverse)):(i.previousProjectionMatrix.copy(i.currentProjectionMatrix),i.previousCameraViewMatrix.copy(i.currentCameraViewMatrix)),i.currentProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.currentCameraViewMatrix.copy(t.matrixWorldInverse),this.previousProjectionMatrix.value.copy(i.previousProjectionMatrix),this.previousCameraViewMatrix.value.copy(i.previousCameraViewMatrix))}updateAfter({object:e}){Ux(e).copy(e.matrixWorld)}setup(){const e=null===this.projectionMatrix?bd:_a(this.projectionMatrix),t=this.previousCameraViewMatrix.mul(this.previousModelWorldMatrix),r=e.mul(zd).mul(Xd),s=this.previousProjectionMatrix.mul(t).mul(Kd),i=r.xy.div(r.w),n=s.xy.div(s.w);return Ba(i,n)}}function Dx(e){let t=Lx.get(e);return void 0===t&&(t={},Lx.set(e,t)),t}function Ux(e,t=0){const r=Dx(e);let s=r[t];return void 0===s&&(r[t]=s=new a,r[t].copy(e.matrixWorld)),s}const Ix=sn(Px),Ox=un(([e])=>zx(e.rgb)),Vx=un(([e,t=gn(1)])=>t.mix(zx(e.rgb),e.rgb)),kx=un(([e,t=gn(1)])=>{const r=Ma(e.r,e.g,e.b).div(3),s=e.r.max(e.g.max(e.b)),i=s.sub(r).mul(t).mul(-3);return nu(e.rgb,s,i)}),Gx=un(([e,t=gn(1)])=>{const r=vn(.57735,.57735,.57735),s=t.cos();return vn(e.rgb.mul(s).add(r.cross(e.rgb).mul(t.sin()).add(r.mul(Yo(r,e.rgb).mul(s.oneMinus())))))}),zx=(e,t=vn(p.getLuminanceCoefficients(new r)))=>Yo(e,t),$x=un(([e,t=vn(1),s=vn(0),i=vn(1),n=gn(1),a=vn(p.getLuminanceCoefficients(new r,Ne))])=>{const o=e.rgb.dot(vn(a)),u=Ho(e.rgb.mul(t).add(s),0).toVar(),l=u.pow(i).toVar();return cn(u.r.greaterThan(0),()=>{u.r.assign(l.r)}),cn(u.g.greaterThan(0),()=>{u.g.assign(l.g)}),cn(u.b.greaterThan(0),()=>{u.b.assign(l.b)}),u.assign(o.add(u.sub(o).mul(n))),En(u.rgb,e.a)}),Wx=un(([e,t])=>e.mul(t).floor().div(t));let Hx=null;class qx extends Ip{static get type(){return"ViewportSharedTextureNode"}constructor(e=jl,t=null){null===Hx&&(Hx=new X),super(e,t,Hx)}getTextureForReference(){return Hx}updateReference(){return this}}const jx=rn(qx).setParameterLength(0,2),Xx=new t;class Kx extends Fl{static get type(){return"PassTextureNode"}constructor(e,t){super(t),this.passNode=e,this.setUpdateMatrix(!1)}setup(e){return this.passNode.build(e),super.setup(e)}clone(){return new this.constructor(this.passNode,this.value)}}class Yx extends Kx{static get type(){return"PassMultipleTextureNode"}constructor(e,t,r=!1){super(e,null),this.textureName=t,this.previousTexture=r}updateTexture(){this.value=this.previousTexture?this.passNode.getPreviousTexture(this.textureName):this.passNode.getTexture(this.textureName)}setup(e){return this.updateTexture(),super.setup(e)}clone(){const e=new this.constructor(this.passNode,this.textureName,this.previousTexture);return e.uvNode=this.uvNode,e.levelNode=this.levelNode,e.biasNode=this.biasNode,e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.offsetNode=this.offsetNode,e}}class Qx extends ci{static get type(){return"PassNode"}constructor(e,t,r,s={}){super("vec4"),this.scope=e,this.scene=t,this.camera=r,this.options=s,this._pixelRatio=1,this._width=1,this._height=1;const i=new Y;i.isRenderTargetTexture=!0,i.name="depth";const n=new se(this._width*this._pixelRatio,this._height*this._pixelRatio,{type:be,...s});n.texture.name="output",n.depthTexture=i,this.renderTarget=n,this.overrideMaterial=null,this.transparent=!0,this.opaque=!0,this.contextNode=null,this._contextNodeCache=null,this._textures={output:n.texture,depth:i},this._textureNodes={},this._linearDepthNodes={},this._viewZNodes={},this._previousTextures={},this._previousTextureNodes={},this._cameraNear=_a(0),this._cameraFar=_a(0),this._mrt=null,this._layers=null,this._resolutionScale=1,this._viewport=null,this._scissor=null,this.isPassNode=!0,this.updateBeforeType=Js.FRAME,this.global=!0}setResolutionScale(e){return this._resolutionScale=e,this}getResolutionScale(){return this._resolutionScale}setResolution(e){return d("PassNode: .setResolution() is deprecated. Use .setResolutionScale() instead."),this.setResolutionScale(e)}getResolution(){return d("PassNode: .getResolution() is deprecated. Use .getResolutionScale() instead."),this.getResolutionScale()}setLayers(e){return this._layers=e,this}getLayers(){return this._layers}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}getTexture(e){let t=this._textures[e];if(void 0===t){t=this.renderTarget.texture.clone(),t.name=e,this._textures[e]=t,this.renderTarget.textures.push(t)}return t}getPreviousTexture(e){let t=this._previousTextures[e];return void 0===t&&(t=this.getTexture(e).clone(),this._previousTextures[e]=t),t}toggleTexture(e){const t=this._previousTextures[e];if(void 0!==t){const r=this._textures[e],s=this.renderTarget.textures.indexOf(r);this.renderTarget.textures[s]=t,this._textures[e]=t,this._previousTextures[e]=r,this._textureNodes[e].updateTexture(),this._previousTextureNodes[e].updateTexture()}}getTextureNode(e="output"){let t=this._textureNodes[e];return void 0===t&&(t=new Yx(this,e),t.updateTexture(),this._textureNodes[e]=t),t}getPreviousTextureNode(e="output"){let t=this._previousTextureNodes[e];return void 0===t&&(void 0===this._textureNodes[e]&&this.getTextureNode(e),t=new Yx(this,e,!0),t.updateTexture(),this._previousTextureNodes[e]=t),t}getViewZNode(e="depth"){let t=this._viewZNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar;this._viewZNodes[e]=t=Xp(this.getTextureNode(e),r,s)}return t}getLinearDepthNode(e="depth"){let t=this._linearDepthNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar,i=this.getViewZNode(e);this._linearDepthNodes[e]=t=qp(i,r,s)}return t}async compileAsync(e){const t=e.getRenderTarget(),r=e.getMRT();e.setRenderTarget(this.renderTarget),e.setMRT(this._mrt),await e.compileAsync(this.scene,this.camera),e.setRenderTarget(t),e.setMRT(r)}setup({renderer:e}){return this.renderTarget.samples=void 0===this.options.samples?e.samples:this.options.samples,this.renderTarget.texture.type=e.getOutputBufferType(),this.scope===Qx.COLOR?this.getTextureNode():this.getLinearDepthNode()}updateBefore(e){const{renderer:t}=e,{scene:r}=this;let s,i;const n=t.getOutputRenderTarget();n&&!0===n.isXRRenderTarget?(i=1,s=t.xr.getCamera(),t.xr.updateCamera(s),Xx.set(n.width,n.height)):(s=this.camera,i=t.getPixelRatio(),t.getSize(Xx)),this._pixelRatio=i,this.setSize(Xx.width,Xx.height);const a=t.getRenderTarget(),o=t.getMRT(),u=t.autoClear,l=t.transparent,d=t.opaque,c=s.layers.mask,h=t.contextNode,p=r.overrideMaterial;this._cameraNear.value=s.near,this._cameraFar.value=s.far,null!==this._layers&&(s.layers.mask=this._layers.mask);for(const e in this._previousTextures)this.toggleTexture(e);null!==this.overrideMaterial&&(r.overrideMaterial=this.overrideMaterial),t.setRenderTarget(this.renderTarget),t.setMRT(this._mrt),t.autoClear=!0,t.transparent=this.transparent,t.opaque=this.opaque,null!==this.contextNode&&(null!==this._contextNodeCache&&this._contextNodeCache.version===this.version||(this._contextNodeCache={version:this.version,context:Tu({...t.contextNode.getFlowContextData(),...this.contextNode.getFlowContextData()})}),t.contextNode=this._contextNodeCache.context);const g=r.name;r.name=this.name?this.name:r.name,t.render(r,s),r.name=g,r.overrideMaterial=p,t.setRenderTarget(a),t.setMRT(o),t.autoClear=u,t.transparent=l,t.opaque=d,t.contextNode=h,s.layers.mask=c}setSize(e,t){this._width=e,this._height=t;const r=Math.floor(this._width*this._pixelRatio*this._resolutionScale),s=Math.floor(this._height*this._pixelRatio*this._resolutionScale);this.renderTarget.setSize(r,s),null!==this._scissor&&this.renderTarget.scissor.copy(this._scissor),null!==this._viewport&&this.renderTarget.viewport.copy(this._viewport)}setScissor(e,t,r,i){null===e?this._scissor=null:(null===this._scissor&&(this._scissor=new s),e.isVector4?this._scissor.copy(e):this._scissor.set(e,t,r,i),this._scissor.multiplyScalar(this._pixelRatio*this._resolutionScale).floor())}setViewport(e,t,r,i){null===e?this._viewport=null:(null===this._viewport&&(this._viewport=new s),e.isVector4?this._viewport.copy(e):this._viewport.set(e,t,r,i),this._viewport.multiplyScalar(this._pixelRatio*this._resolutionScale).floor())}setPixelRatio(e){this._pixelRatio=e,this.setSize(this._width,this._height)}dispose(){this.renderTarget.dispose()}}Qx.COLOR="color",Qx.DEPTH="depth";class Zx extends Qx{static get type(){return"ToonOutlinePassNode"}constructor(e,t,r,s,i){super(Qx.COLOR,e,t),this.colorNode=r,this.thicknessNode=s,this.alphaNode=i,this._materialCache=new WeakMap,this.name="Outline Pass"}updateBefore(e){const{renderer:t}=e,r=t.getRenderObjectFunction();t.setRenderObjectFunction((e,r,s,i,n,a,o,u)=>{if((n.isMeshToonMaterial||n.isMeshToonNodeMaterial)&&!1===n.wireframe){const l=this._getOutlineMaterial(n);t.renderObject(e,r,s,i,l,a,o,u)}t.renderObject(e,r,s,i,n,a,o,u)}),super.updateBefore(e),t.setRenderObjectFunction(r)}_createMaterial(){const e=new pg;e.isMeshToonOutlineMaterial=!0,e.name="Toon_Outline",e.side=M;const t=nc.negate(),r=bd.mul(zd),s=gn(1),i=r.mul(En(Xd,1)),n=r.mul(En(Xd.add(t),1)),a=vo(i.sub(n));return e.vertexNode=i.add(a.mul(this.thicknessNode).mul(i.w).mul(s)),e.colorNode=En(this.colorNode,this.alphaNode),e}_getOutlineMaterial(e){let t=this._materialCache.get(e);return void 0===t&&(t=this._createMaterial(),this._materialCache.set(e,t)),t}}const Jx=un(([e,t])=>e.mul(t).clamp()).setLayout({name:"linearToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),eT=un(([e,t])=>(e=e.mul(t)).div(e.add(1)).clamp()).setLayout({name:"reinhardToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),tT=un(([e,t])=>{const r=(e=(e=e.mul(t)).sub(.004).max(0)).mul(e.mul(6.2).add(.5)),s=e.mul(e.mul(6.2).add(1.7)).add(.06);return r.div(s).pow(2.2)}).setLayout({name:"cineonToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),rT=un(([e])=>{const t=e.mul(e.add(.0245786)).sub(90537e-9),r=e.mul(e.add(.432951).mul(.983729)).add(.238081);return t.div(r)}),sT=un(([e,t])=>{const r=Bn(.59719,.35458,.04823,.076,.90834,.01566,.0284,.13383,.83777),s=Bn(1.60475,-.53108,-.07367,-.10208,1.10813,-.00605,-.00327,-.07276,1.07602);return e=e.mul(t).div(.6),e=r.mul(e),e=rT(e),(e=s.mul(e)).clamp()}).setLayout({name:"acesFilmicToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),iT=Bn(vn(1.6605,-.1246,-.0182),vn(-.5876,1.1329,-.1006),vn(-.0728,-.0083,1.1187)),nT=Bn(vn(.6274,.0691,.0164),vn(.3293,.9195,.088),vn(.0433,.0113,.8956)),aT=un(([e])=>{const t=vn(e).toVar(),r=vn(t.mul(t)).toVar(),s=vn(r.mul(r)).toVar();return gn(15.5).mul(s.mul(r)).sub(Fa(40.14,s.mul(t))).add(Fa(31.96,s).sub(Fa(6.868,r.mul(t))).add(Fa(.4298,r).add(Fa(.1191,t).sub(.00232))))}),oT=un(([e,t])=>{const r=vn(e).toVar(),s=Bn(vn(.856627153315983,.137318972929847,.11189821299995),vn(.0951212405381588,.761241990602591,.0767994186031903),vn(.0482516061458583,.101439036467562,.811302368396859)),i=Bn(vn(1.1271005818144368,-.1413297634984383,-.14132976349843826),vn(-.11060664309660323,1.157823702216272,-.11060664309660294),vn(-.016493938717834573,-.016493938717834257,1.2519364065950405)),n=gn(-12.47393),a=gn(4.026069);return r.mulAssign(t),r.assign(nT.mul(r)),r.assign(s.mul(r)),r.assign(Ho(r,1e-10)),r.assign(yo(r)),r.assign(r.sub(n).div(a.sub(n))),r.assign(au(r,0,1)),r.assign(aT(r)),r.assign(i.mul(r)),r.assign(Zo(Ho(vn(0),r),vn(2.2))),r.assign(iT.mul(r)),r.assign(au(r,0,1)),r}).setLayout({name:"agxToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),uT=un(([e,t])=>{const r=gn(.76),s=gn(.15);e=e.mul(t);const i=Wo(e.r,Wo(e.g,e.b)),n=bu(i.lessThan(.08),i.sub(Fa(6.25,i.mul(i))),.04);e.subAssign(n);const a=Ho(e.r,Ho(e.g,e.b));cn(a.lessThan(r),()=>e);const o=Ba(1,r),u=Ba(1,o.mul(o).div(a.add(o.sub(r))));e.mulAssign(u.div(a));const l=Ba(1,La(1,s.mul(a.sub(u)).add(1)));return nu(e,vn(u),l)}).setLayout({name:"neutralToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]});class lT extends ui{static get type(){return"CodeNode"}constructor(e="",t=[],r=""){super("code"),this.isCodeNode=!0,this.global=!0,this.code=e,this.includes=t,this.language=r}setIncludes(e){return this.includes=e,this}getIncludes(){return this.includes}generate(e){const t=this.getIncludes(e);for(const r of t)r.build(e);const r=e.getCodeFromNode(this,this.getNodeType(e));return r.code=this.code,r.code}serialize(e){super.serialize(e),e.code=this.code,e.language=this.language}deserialize(e){super.deserialize(e),this.code=e.code,this.language=e.language}}const dT=rn(lT).setParameterLength(1,3);class cT extends lT{static get type(){return"FunctionNode"}constructor(e="",t=[],r=""){super(e,t,r)}getNodeType(e){return this.getNodeFunction(e).type}getMemberType(e,t){const r=this.getNodeType(e);return e.getStructTypeNode(r).getMemberType(e,t)}getInputs(e){return this.getNodeFunction(e).inputs}getNodeFunction(e){const t=e.getDataFromNode(this);let r=t.nodeFunction;return void 0===r&&(r=e.parser.parseFunction(this.code),t.nodeFunction=r),r}generate(e,t){super.generate(e);const r=this.getNodeFunction(e),s=r.name,i=r.type,n=e.getCodeFromNode(this,i);""!==s&&(n.name=s);const a=e.getPropertyName(n),o=this.getNodeFunction(e).getCode(a);return n.code=o+"\n","property"===t?a:e.format(`${a}()`,i,t)}}const hT=(e,t=[],r="")=>{for(let e=0;e<t.length;e++){const r=t[e];"function"==typeof r&&(t[e]=r.functionNode)}const s=new cT(e,t,r),i=(...e)=>s.call(...e);return i.functionNode=s,i};function pT(e){let t;const r=e.context.getViewZ;return void 0!==r&&(t=r(this)),(t||Zd.z).negate()}const gT=un(([e,t],r)=>{const s=pT(r);return lu(e,t,s)}),mT=un(([e],t)=>{const r=pT(t);return e.mul(e,r,r).negate().exp().oneMinus()}),fT=un(([e,t],r)=>{const s=pT(r),i=t.sub(Yd.y).max(0).toConst().mul(s).toConst();return e.mul(e,i,i).negate().exp().oneMinus()}),yT=un(([e,t])=>En(t.toFloat().mix(ia.rgb,e.toVec3()),ia.a));let bT=null,xT=null;class TT extends ui{static get type(){return"RangeNode"}constructor(e=gn(),t=gn()){super(),this.minNode=e,this.maxNode=t}getVectorLength(e){const t=this.getConstNode(this.minNode),r=this.getConstNode(this.maxNode),s=e.getTypeLength(qs(t.value)),i=e.getTypeLength(qs(r.value));return s>i?s:i}getNodeType(e){return e.object.count>1?e.getTypeFromLength(this.getVectorLength(e)):"float"}getConstNode(e){let t=null;if(e.traverse(e=>{!0===e.isConstNode&&(t=e)}),null===t)throw new Ml('THREE.TSL: No "ConstNode" found in node graph.',this.stackTrace);return t}setup(e){const t=e.object;let r=null;if(t.count>1){const i=this.getConstNode(this.minNode),n=this.getConstNode(this.maxNode),a=i.value,o=n.value,u=e.getTypeLength(qs(a)),d=e.getTypeLength(qs(o));bT=bT||new s,xT=xT||new s,bT.setScalar(0),xT.setScalar(0),1===u?bT.setScalar(a):a.isColor?bT.set(a.r,a.g,a.b,1):bT.set(a.x,a.y,a.z||0,a.w||0),1===d?xT.setScalar(o):o.isColor?xT.set(o.r,o.g,o.b,1):xT.set(o.x,o.y,o.z||0,o.w||0);const c=4,h=c*t.count,p=new Float32Array(h);for(let e=0;e<h;e++){const t=e%c,r=bT.getComponent(t),s=xT.getComponent(t);p[e]=l.lerp(r,s,Math.random())}const g=this.getNodeType(e);if(4*t.count*4<=e.getUniformBufferLimit())r=Il(p,"vec4",t.count).element(lp).convert(g);else{const t=new W(p,4);e.geometry.setAttribute("__range"+this.id,t),r=el(t).convert(g)}}else r=gn(0);return r}}const _T=rn(TT).setParameterLength(2);class vT extends ui{static get type(){return"ComputeBuiltinNode"}constructor(e,t){super(t),this._builtinName=e}getHash(e){return this.getBuiltinName(e)}getNodeType(){return this.nodeType}setBuiltinName(e){return this._builtinName=e,this}getBuiltinName(){return this._builtinName}hasBuiltin(e){return e.hasBuiltin(this._builtinName)}generate(e,t){const r=this.getBuiltinName(e),s=this.getNodeType(e);return"compute"===e.shaderStage?e.format(r,s,t):(d(`ComputeBuiltinNode: Compute built-in value ${r} can not be accessed in the ${e.shaderStage} stage`),e.generateConst(s))}serialize(e){super.serialize(e),e.global=this.global,e._builtinName=this._builtinName}deserialize(e){super.deserialize(e),this.global=e.global,this._builtinName=e._builtinName}}const NT=(e,t)=>new vT(e,t),ST=NT("numWorkgroups","uvec3"),RT=NT("workgroupId","uvec3"),ET=NT("globalId","uvec3"),AT=NT("localId","uvec3"),wT=NT("subgroupSize","uint");class CT extends ui{constructor(e){super(),this.scope=e}generate(e){const{scope:t}=this,{renderer:r}=e;!0===r.backend.isWebGLBackend?e.addFlowCode(`\t// ${t}Barrier \n`):e.addLineFlowCode(`${t}Barrier()`,this)}}const MT=rn(CT);class BT extends li{constructor(e,t){super(e,t),this.isWorkgroupInfoElementNode=!0}generate(e,t){let r;const s=e.context.assign;if(r=super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}class FT extends ui{constructor(e,t,r=0){super(t),this.bufferType=t,this.bufferCount=r,this.isWorkgroupInfoNode=!0,this.elementType=t,this.scope=e,this.name=""}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Ps),this.setName(e)}setScope(e){return this.scope=e,this}getElementType(){return this.elementType}getInputType(){return`${this.scope}Array`}element(e){return new BT(this,e)}generate(e){const t=""!==this.name?this.name:`${this.scope}Array_${this.id}`;return e.getScopedArray(t,this.scope.toLowerCase(),this.bufferType,this.bufferCount)}}class LT extends ui{static get type(){return"AtomicFunctionNode"}constructor(e,t,r){super("uint"),this.method=e,this.pointerNode=t,this.valueNode=r,this.parents=!0}getInputType(e){return this.pointerNode.getNodeType(e)}getNodeType(e){return this.getInputType(e)}generate(e){const t=e.getNodeProperties(this),r=t.parents,s=this.method,i=this.getNodeType(e),n=this.getInputType(e),a=this.pointerNode,o=this.valueNode,u=[];u.push(`&${a.build(e,n)}`),null!==o&&u.push(o.build(e,n));const l=`${e.getMethod(s,i)}( ${u.join(", ")} )`;if(!(!!r&&(1===r.length&&!0===r[0].isStackNode)))return void 0===t.constNode&&(t.constNode=gl(l,i).toConst()),t.constNode.build(e);e.addLineFlowCode(l,this)}}LT.ATOMIC_LOAD="atomicLoad",LT.ATOMIC_STORE="atomicStore",LT.ATOMIC_ADD="atomicAdd",LT.ATOMIC_SUB="atomicSub",LT.ATOMIC_MAX="atomicMax",LT.ATOMIC_MIN="atomicMin",LT.ATOMIC_AND="atomicAnd",LT.ATOMIC_OR="atomicOr",LT.ATOMIC_XOR="atomicXor";const PT=rn(LT),DT=(e,t,r)=>PT(e,t,r).toStack();class UT extends ci{static get type(){return"SubgroupFunctionNode"}constructor(e,t=null,r=null){super(),this.method=e,this.aNode=t,this.bNode=r}getInputType(e){const t=this.aNode?this.aNode.getNodeType(e):null,r=this.bNode?this.bNode.getNodeType(e):null;return(e.isMatrix(t)?0:e.getTypeLength(t))>(e.isMatrix(r)?0:e.getTypeLength(r))?t:r}getNodeType(e){const t=this.method;return t===UT.SUBGROUP_ELECT?"bool":t===UT.SUBGROUP_BALLOT?"uvec4":this.getInputType(e)}generate(e,t){const r=this.method,s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,a=this.bNode,o=[];if(r===UT.SUBGROUP_BROADCAST||r===UT.SUBGROUP_SHUFFLE||r===UT.QUAD_BROADCAST){const t=a.getNodeType(e);o.push(n.build(e,s),a.build(e,"float"===t?"int":s))}else r===UT.SUBGROUP_SHUFFLE_XOR||r===UT.SUBGROUP_SHUFFLE_DOWN||r===UT.SUBGROUP_SHUFFLE_UP?o.push(n.build(e,s),a.build(e,"uint")):(null!==n&&o.push(n.build(e,i)),null!==a&&o.push(a.build(e,i)));const u=0===o.length?"()":`( ${o.join(", ")} )`;return e.format(`${e.getMethod(r,s)}${u}`,s,t)}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}UT.SUBGROUP_ELECT="subgroupElect",UT.SUBGROUP_BALLOT="subgroupBallot",UT.SUBGROUP_ADD="subgroupAdd",UT.SUBGROUP_INCLUSIVE_ADD="subgroupInclusiveAdd",UT.SUBGROUP_EXCLUSIVE_AND="subgroupExclusiveAdd",UT.SUBGROUP_MUL="subgroupMul",UT.SUBGROUP_INCLUSIVE_MUL="subgroupInclusiveMul",UT.SUBGROUP_EXCLUSIVE_MUL="subgroupExclusiveMul",UT.SUBGROUP_AND="subgroupAnd",UT.SUBGROUP_OR="subgroupOr",UT.SUBGROUP_XOR="subgroupXor",UT.SUBGROUP_MIN="subgroupMin",UT.SUBGROUP_MAX="subgroupMax",UT.SUBGROUP_ALL="subgroupAll",UT.SUBGROUP_ANY="subgroupAny",UT.SUBGROUP_BROADCAST_FIRST="subgroupBroadcastFirst",UT.QUAD_SWAP_X="quadSwapX",UT.QUAD_SWAP_Y="quadSwapY",UT.QUAD_SWAP_DIAGONAL="quadSwapDiagonal",UT.SUBGROUP_BROADCAST="subgroupBroadcast",UT.SUBGROUP_SHUFFLE="subgroupShuffle",UT.SUBGROUP_SHUFFLE_XOR="subgroupShuffleXor",UT.SUBGROUP_SHUFFLE_UP="subgroupShuffleUp",UT.SUBGROUP_SHUFFLE_DOWN="subgroupShuffleDown",UT.QUAD_BROADCAST="quadBroadcast";const IT=nn(UT,UT.SUBGROUP_ELECT).setParameterLength(0),OT=nn(UT,UT.SUBGROUP_BALLOT).setParameterLength(1),VT=nn(UT,UT.SUBGROUP_ADD).setParameterLength(1),kT=nn(UT,UT.SUBGROUP_INCLUSIVE_ADD).setParameterLength(1),GT=nn(UT,UT.SUBGROUP_EXCLUSIVE_AND).setParameterLength(1),zT=nn(UT,UT.SUBGROUP_MUL).setParameterLength(1),$T=nn(UT,UT.SUBGROUP_INCLUSIVE_MUL).setParameterLength(1),WT=nn(UT,UT.SUBGROUP_EXCLUSIVE_MUL).setParameterLength(1),HT=nn(UT,UT.SUBGROUP_AND).setParameterLength(1),qT=nn(UT,UT.SUBGROUP_OR).setParameterLength(1),jT=nn(UT,UT.SUBGROUP_XOR).setParameterLength(1),XT=nn(UT,UT.SUBGROUP_MIN).setParameterLength(1),KT=nn(UT,UT.SUBGROUP_MAX).setParameterLength(1),YT=nn(UT,UT.SUBGROUP_ALL).setParameterLength(0),QT=nn(UT,UT.SUBGROUP_ANY).setParameterLength(0),ZT=nn(UT,UT.SUBGROUP_BROADCAST_FIRST).setParameterLength(2),JT=nn(UT,UT.QUAD_SWAP_X).setParameterLength(1),e_=nn(UT,UT.QUAD_SWAP_Y).setParameterLength(1),t_=nn(UT,UT.QUAD_SWAP_DIAGONAL).setParameterLength(1),r_=nn(UT,UT.SUBGROUP_BROADCAST).setParameterLength(2),s_=nn(UT,UT.SUBGROUP_SHUFFLE).setParameterLength(2),i_=nn(UT,UT.SUBGROUP_SHUFFLE_XOR).setParameterLength(2),n_=nn(UT,UT.SUBGROUP_SHUFFLE_UP).setParameterLength(2),a_=nn(UT,UT.SUBGROUP_SHUFFLE_DOWN).setParameterLength(2),o_=nn(UT,UT.QUAD_BROADCAST).setParameterLength(1);let u_;function l_(e){u_=u_||new WeakMap;let t=u_.get(e);return void 0===t&&u_.set(e,t={}),t}function d_(e){const t=l_(e);return t.shadowMatrix||(t.shadowMatrix=_a("mat4").setGroup(ba).onRenderUpdate(t=>(!0===e.castShadow&&!1!==t.renderer.shadowMap.enabled||(e.shadow.camera.coordinateSystem!==t.camera.coordinateSystem&&(e.shadow.camera.coordinateSystem=t.camera.coordinateSystem,e.shadow.camera.updateProjectionMatrix()),e.shadow.updateMatrices(e)),e.shadow.matrix)))}function c_(e,t=Yd){const r=d_(e).mul(t);return r.xyz.div(r.w)}function h_(e){const t=l_(e);return t.position||(t.position=_a(new r).setGroup(ba).onRenderUpdate((t,r)=>r.value.setFromMatrixPosition(e.matrixWorld)))}function p_(e){const t=l_(e);return t.targetPosition||(t.targetPosition=_a(new r).setGroup(ba).onRenderUpdate((t,r)=>r.value.setFromMatrixPosition(e.target.matrixWorld)))}function g_(e){const t=l_(e);return t.viewPosition||(t.viewPosition=_a(new r).setGroup(ba).onRenderUpdate(({camera:t},s)=>{s.value=s.value||new r,s.value.setFromMatrixPosition(e.matrixWorld),s.value.applyMatrix4(t.matrixWorldInverse)}))}const m_=e=>Td.transformDirection(h_(e).sub(p_(e))),f_=(e,t)=>{for(const r of t)if(r.isAnalyticLightNode&&r.light.id===e)return r;return null},y_=new WeakMap,b_=[];class x_ extends ui{static get type(){return"LightsNode"}constructor(){super("vec3"),this.totalDiffuseNode=Un("vec3","totalDiffuse"),this.totalSpecularNode=Un("vec3","totalSpecular"),this.outgoingLightNode=Un("vec3","outgoingLight"),this._lights=[],this._lightNodes=null,this._lightNodesHash=null,this.global=!0}customCacheKey(){const e=this._lights;for(let t=0;t<e.length;t++){const r=e[t];if(b_.push(r.id),b_.push(r.castShadow?1:0),!0===r.isSpotLight){const e=null!==r.map?r.map.id:-1,t=r.colorNode?r.colorNode.getCacheKey():-1;b_.push(e,t)}}const t=Is(b_);return b_.length=0,t}getHash(e){if(null===this._lightNodesHash){null===this._lightNodes&&this.setupLightsNode(e);const t=[];for(const e of this._lightNodes)t.push(e.getHash());this._lightNodesHash="lights-"+t.join(",")}return this._lightNodesHash}analyze(e){const t=e.getNodeProperties(this);for(const r of t.nodes)r.build(e);t.outputNode.build(e)}setupLightsNode(e){const t=[],r=this._lightNodes,s=(e=>e.sort((e,t)=>e.id-t.id))(this._lights),i=e.renderer.library;for(const e of s)if(e.isNode)t.push(Zi(e));else{let s=null;if(null!==r&&(s=f_(e.id,r)),null===s){const r=i.getLightNodeClass(e.constructor);if(null===r){d(`LightsNode.setupNodeLights: Light node not found for ${e.constructor.name}`);continue}let s=null;y_.has(e)?s=y_.get(e):(s=new r(e),y_.set(e,s)),t.push(s)}}this._lightNodes=t}setupDirectLight(e,t,r){const{lightingModel:s,reflectedLight:i}=e.context;s.direct({...r,lightNode:t,reflectedLight:i},e)}setupDirectRectAreaLight(e,t,r){const{lightingModel:s,reflectedLight:i}=e.context;s.directRectArea({...r,lightNode:t,reflectedLight:i},e)}setupLights(e,t){for(const r of t)r.build(e)}getLightNodes(e){return null===this._lightNodes&&this.setupLightsNode(e),this._lightNodes}setup(e){const t=e.lightsNode;e.lightsNode=this;let r=this.outgoingLightNode;const s=e.context,i=s.lightingModel,n=e.getNodeProperties(this);if(i){const{totalDiffuseNode:t,totalSpecularNode:a}=this;s.outgoingLight=r;const o=e.addStack();n.nodes=o.nodes,i.start(e);const{backdrop:u,backdropAlpha:l}=s,{directDiffuse:d,directSpecular:c,indirectDiffuse:h,indirectSpecular:p}=s.reflectedLight;let g=d.add(h);null!==u&&(g=vn(null!==l?l.mix(g,u):u)),t.assign(g),a.assign(c.add(p)),r.assign(t.add(a)),i.finish(e),r=r.bypass(e.removeStack())}else n.nodes=[];return e.lightsNode=t,r}setLights(e){return this._lights=e,this._lightNodes=null,this._lightNodesHash=null,this}getLights(){return this._lights}get hasLights(){return this._lights.length>0}}class T_ extends ui{static get type(){return"ShadowBaseNode"}constructor(e){super(),this.light=e,this.updateBeforeType=Js.RENDER,this.isShadowBaseNode=!0}setupShadowPosition({context:e,material:t}){__.assign(t.receivedShadowPositionNode||e.shadowPositionWorld||Yd)}}const __=Un("vec3","shadowPositionWorld");function v_(t,r={}){return r.toneMapping=t.toneMapping,r.toneMappingExposure=t.toneMappingExposure,r.outputColorSpace=t.outputColorSpace,r.renderTarget=t.getRenderTarget(),r.activeCubeFace=t.getActiveCubeFace(),r.activeMipmapLevel=t.getActiveMipmapLevel(),r.renderObjectFunction=t.getRenderObjectFunction(),r.pixelRatio=t.getPixelRatio(),r.mrt=t.getMRT(),r.clearColor=t.getClearColor(r.clearColor||new e),r.clearAlpha=t.getClearAlpha(),r.autoClear=t.autoClear,r.scissorTest=t.getScissorTest(),r}function N_(e,t){return t=v_(e,t),e.setMRT(null),e.setRenderObjectFunction(null),e.setClearColor(0,1),e.autoClear=!0,t}function S_(e,t){e.toneMapping=t.toneMapping,e.toneMappingExposure=t.toneMappingExposure,e.outputColorSpace=t.outputColorSpace,e.setRenderTarget(t.renderTarget,t.activeCubeFace,t.activeMipmapLevel),e.setRenderObjectFunction(t.renderObjectFunction),e.setPixelRatio(t.pixelRatio),e.setMRT(t.mrt),e.setClearColor(t.clearColor,t.clearAlpha),e.autoClear=t.autoClear,e.setScissorTest(t.scissorTest)}function R_(e,t={}){return t.background=e.background,t.backgroundNode=e.backgroundNode,t.overrideMaterial=e.overrideMaterial,t}function E_(e,t){return t=R_(e,t),e.background=null,e.backgroundNode=null,e.overrideMaterial=null,t}function A_(e,t){e.background=t.background,e.backgroundNode=t.backgroundNode,e.overrideMaterial=t.overrideMaterial}function w_(e,t,r){return r=E_(t,r=N_(e,r))}function C_(e,t,r){S_(e,r),A_(t,r)}var M_=Object.freeze({__proto__:null,resetRendererAndSceneState:w_,resetRendererState:N_,resetSceneState:E_,restoreRendererAndSceneState:C_,restoreRendererState:S_,restoreSceneState:A_,saveRendererAndSceneState:function(e,t,r={}){return r=R_(t,r=v_(e,r))},saveRendererState:v_,saveSceneState:R_});const B_=new WeakMap,F_=un(({depthTexture:e,shadowCoord:t,depthLayer:r})=>{let s=Pl(e,t.xy).setName("t_basic");return e.isArrayTexture&&(s=s.depth(r)),s.compare(t.z)}),L_=un(({depthTexture:e,shadowCoord:t,shadow:r,depthLayer:s})=>{const i=(t,r)=>{let i=Pl(e,t);return e.isArrayTexture&&(i=i.depth(s)),i.compare(r)},n=Fc("mapSize","vec2",r).setGroup(ba),a=Fc("radius","float",r).setGroup(ba),o=bn(1).div(n),u=a.mul(o.x),l=px(Kl.xy).mul(6.28318530718);return Ma(i(t.xy.add(gx(0,5,l).mul(u)),t.z),i(t.xy.add(gx(1,5,l).mul(u)),t.z),i(t.xy.add(gx(2,5,l).mul(u)),t.z),i(t.xy.add(gx(3,5,l).mul(u)),t.z),i(t.xy.add(gx(4,5,l).mul(u)),t.z)).mul(.2)}),P_=un(({depthTexture:e,shadowCoord:t,shadow:r,depthLayer:s})=>{const i=(t,r)=>{let i=Pl(e,t);return e.isArrayTexture&&(i=i.depth(s)),i.compare(r)},n=Fc("mapSize","vec2",r).setGroup(ba),a=bn(1).div(n),o=a.x,u=a.y,l=t.xy,d=No(l.mul(n).add(.5));return l.subAssign(d.mul(a)),Ma(i(l,t.z),i(l.add(bn(o,0)),t.z),i(l.add(bn(0,u)),t.z),i(l.add(a),t.z),nu(i(l.add(bn(o.negate(),0)),t.z),i(l.add(bn(o.mul(2),0)),t.z),d.x),nu(i(l.add(bn(o.negate(),u)),t.z),i(l.add(bn(o.mul(2),u)),t.z),d.x),nu(i(l.add(bn(0,u.negate())),t.z),i(l.add(bn(0,u.mul(2))),t.z),d.y),nu(i(l.add(bn(o,u.negate())),t.z),i(l.add(bn(o,u.mul(2))),t.z),d.y),nu(nu(i(l.add(bn(o.negate(),u.negate())),t.z),i(l.add(bn(o.mul(2),u.negate())),t.z),d.x),nu(i(l.add(bn(o.negate(),u.mul(2))),t.z),i(l.add(bn(o.mul(2),u.mul(2))),t.z),d.x),d.y)).mul(1/9)}),D_=un(({depthTexture:e,shadowCoord:t,depthLayer:r})=>{let s=Pl(e).sample(t.xy);e.isArrayTexture&&(s=s.depth(r)),s=s.rg;const i=s.x,n=Ho(1e-7,s.y.mul(s.y)),a=qo(t.z,i),o=gn(1).toVar();return cn(a.notEqual(1),()=>{const e=t.z.sub(i);let r=n.div(n.add(e.mul(e)));r=au(Ba(r,.3).div(.65)),o.assign(Ho(a,r))}),o}),U_=e=>{let t=B_.get(e);return void 0===t&&(t=new pg,t.colorNode=En(0,0,0,1),t.isShadowPassMaterial=!0,t.name="ShadowMaterial",t.blending=ee,t.fog=!1,B_.set(e,t)),t},I_=e=>{const t=B_.get(e);void 0!==t&&(t.dispose(),B_.delete(e))},O_=new hy,V_=[],k_=(e,t,r,s)=>{V_[0]=e,V_[1]=t;let i=O_.get(V_);return void 0!==i&&i.shadowType===r&&i.useVelocity===s||(i=(i,n,a,o,u,l,...d)=>{(!0===i.castShadow||i.receiveShadow&&r===Ye)&&(s&&(Xs(i).useVelocity=!0),i.onBeforeShadow(e,i,a,t.camera,o,n.overrideMaterial,l),e.renderObject(i,n,a,o,u,l,...d),i.onAfterShadow(e,i,a,t.camera,o,n.overrideMaterial,l))},i.shadowType=r,i.useVelocity=s,O_.set(V_,i)),V_[0]=null,V_[1]=null,i},G_=un(({samples:e,radius:t,size:r,shadowPass:s,depthLayer:i})=>{const n=gn(0).toVar("meanVertical"),a=gn(0).toVar("squareMeanVertical"),o=e.lessThanEqual(gn(1)).select(gn(0),gn(2).div(e.sub(1))),u=e.lessThanEqual(gn(1)).select(gn(0),gn(-1));Sp({start:mn(0),end:mn(e),type:"int",condition:"<"},({i:e})=>{const l=u.add(gn(e).mul(o));let d=s.sample(Ma(Kl.xy,bn(0,l).mul(t)).div(r));s.value.isArrayTexture&&(d=d.depth(i)),d=d.x,n.addAssign(d),a.addAssign(d.mul(d))}),n.divAssign(e),a.divAssign(e);const l=bo(a.sub(n.mul(n)).max(0));return bn(n,l)}),z_=un(({samples:e,radius:t,size:r,shadowPass:s,depthLayer:i})=>{const n=gn(0).toVar("meanHorizontal"),a=gn(0).toVar("squareMeanHorizontal"),o=e.lessThanEqual(gn(1)).select(gn(0),gn(2).div(e.sub(1))),u=e.lessThanEqual(gn(1)).select(gn(0),gn(-1));Sp({start:mn(0),end:mn(e),type:"int",condition:"<"},({i:e})=>{const l=u.add(gn(e).mul(o));let d=s.sample(Ma(Kl.xy,bn(l,0).mul(t)).div(r));s.value.isArrayTexture&&(d=d.depth(i)),n.addAssign(d.x),a.addAssign(Ma(d.y.mul(d.y),d.x.mul(d.x)))}),n.divAssign(e),a.divAssign(e);const l=bo(a.sub(n.mul(n)).max(0));return bn(n,l)}),$_=[F_,L_,P_,D_];let W_;const H_=new ax;class q_ extends T_{static get type(){return"ShadowNode"}constructor(e,t=null){super(e),this.shadow=t||e.shadow,this.shadowMap=null,this.vsmShadowMapVertical=null,this.vsmShadowMapHorizontal=null,this.vsmMaterialVertical=null,this.vsmMaterialHorizontal=null,this._node=null,this._currentShadowType=null,this._cameraFrameId=new WeakMap,this.isShadowNode=!0,this.depthLayer=0}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i,depthLayer:n}){const a=s.x.greaterThanEqual(0).and(s.x.lessThanEqual(1)).and(s.y.greaterThanEqual(0)).and(s.y.lessThanEqual(1)).and(s.z.lessThanEqual(1)),o=t({depthTexture:r,shadowCoord:s,shadow:i,depthLayer:n});return a.select(o,gn(1))}setupShadowCoord(e,t){const{shadow:r}=this,{renderer:s}=e,i=r.biasNode||Fc("bias","float",r).setGroup(ba);let n,a=t;if(r.camera.isOrthographicCamera||!0!==s.logarithmicDepthBuffer)a=a.xyz.div(a.w),n=a.z,s.coordinateSystem===h&&(n=n.mul(2).sub(1));else{const e=a.w;a=a.xy.div(e);const t=Fc("near","float",r.camera).setGroup(ba),s=Fc("far","float",r.camera).setGroup(ba);n=Kp(e.negate(),t,s)}return a=vn(a.x,a.y.oneMinus(),n.add(i)),a}getShadowFilterFn(e){return $_[e]}setupRenderTarget(e,t){const r=new Y(e.mapSize.width,e.mapSize.height);r.name="ShadowDepthTexture",r.compareFunction=Qe;const s=t.createRenderTarget(e.mapSize.width,e.mapSize.height);return s.texture.name="ShadowMap",s.texture.type=e.mapType,s.depthTexture=r,{shadowMap:s,depthTexture:r}}setupShadow(e){const{renderer:t,camera:r}=e,{light:s,shadow:i}=this,{depthTexture:n,shadowMap:a}=this.setupRenderTarget(i,e),o=t.shadowMap.type;if(o===Ze||o===Je?(n.minFilter=oe,n.magFilter=oe):(n.minFilter=w,n.magFilter=w),i.camera.coordinateSystem=r.coordinateSystem,i.camera.updateProjectionMatrix(),o===Ye&&!0!==i.isPointLightShadow){n.compareFunction=null,a.depth>1?(a._vsmShadowMapVertical||(a._vsmShadowMapVertical=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:G,type:be,depth:a.depth,depthBuffer:!1}),a._vsmShadowMapVertical.texture.name="VSMVertical"),this.vsmShadowMapVertical=a._vsmShadowMapVertical,a._vsmShadowMapHorizontal||(a._vsmShadowMapHorizontal=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:G,type:be,depth:a.depth,depthBuffer:!1}),a._vsmShadowMapHorizontal.texture.name="VSMHorizontal"),this.vsmShadowMapHorizontal=a._vsmShadowMapHorizontal):(this.vsmShadowMapVertical=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:G,type:be,depthBuffer:!1}),this.vsmShadowMapHorizontal=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:G,type:be,depthBuffer:!1}));let t=Pl(n);n.isArrayTexture&&(t=t.depth(this.depthLayer));let r=Pl(this.vsmShadowMapVertical.texture);n.isArrayTexture&&(r=r.depth(this.depthLayer));const s=Fc("blurSamples","float",i).setGroup(ba),o=Fc("radius","float",i).setGroup(ba),u=Fc("mapSize","vec2",i).setGroup(ba);let l=this.vsmMaterialVertical||(this.vsmMaterialVertical=new pg);l.fragmentNode=G_({samples:s,radius:o,size:u,shadowPass:t,depthLayer:this.depthLayer}).context(e.getSharedContext()),l.name="VSMVertical",l=this.vsmMaterialHorizontal||(this.vsmMaterialHorizontal=new pg),l.fragmentNode=z_({samples:s,radius:o,size:u,shadowPass:r,depthLayer:this.depthLayer}).context(e.getSharedContext()),l.name="VSMHorizontal"}const u=Fc("intensity","float",i).setGroup(ba),l=Fc("normalBias","float",i).setGroup(ba),d=d_(s).mul(__.add(dc.mul(l))),c=this.setupShadowCoord(e,d),h=i.filterNode||this.getShadowFilterFn(t.shadowMap.type)||null;if(null===h)throw new Error("THREE.WebGPURenderer: Shadow map type not supported yet.");const p=o===Ye&&!0!==i.isPointLightShadow?this.vsmShadowMapHorizontal.texture:n,g=this.setupShadowFilter(e,{filterFn:h,shadowTexture:a.texture,depthTexture:p,shadowCoord:c,shadow:i,depthLayer:this.depthLayer});let m,f;!0===t.shadowMap.transmitted&&(a.texture.isCubeTexture?m=Cc(a.texture,c.xyz):(m=Pl(a.texture,c),n.isArrayTexture&&(m=m.depth(this.depthLayer)))),f=m?nu(1,g.rgb.mix(m,1),u.mul(m.a)).toVar():nu(1,g,u).toVar(),this.shadowMap=a,this.shadow.map=a;const y=`${this.light.type} Shadow [ ${this.light.name||"ID: "+this.light.id} ]`;return m&&f.toInspector(`${y} / Color`,()=>this.shadowMap.texture.isCubeTexture?Cc(this.shadowMap.texture):Pl(this.shadowMap.texture)),f.toInspector(`${y} / Depth`,()=>this.shadowMap.texture.isCubeTexture?Cc(this.shadowMap.texture).r.oneMinus():Dl(this.shadowMap.depthTexture,Rl().mul(Al(Pl(this.shadowMap.depthTexture)))).r.oneMinus())}setup(e){if(!1!==e.renderer.shadowMap.enabled)return un(()=>{const t=e.renderer.shadowMap.type;this._currentShadowType!==t&&(this._reset(),this._node=null);let r=this._node;return this.setupShadowPosition(e),null===r&&(this._node=r=this.setupShadow(e),this._currentShadowType=t),e.material.receivedShadowNode&&(r=e.material.receivedShadowNode(r)),r})()}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e;t.updateMatrices(s),r.setSize(t.mapSize.width,t.mapSize.height,r.depth);const a=n.name;n.name=`Shadow Map [ ${s.name||"ID: "+s.id} ]`,i.render(n,t.camera),n.name=a}updateShadow(e){const{shadowMap:t,light:r,shadow:s}=this,{renderer:i,scene:n,camera:a}=e,o=i.shadowMap.type,u=t.depthTexture.version;this._depthVersionCached=u;const l=s.camera.layers.mask;4294967294&s.camera.layers.mask||(s.camera.layers.mask=a.layers.mask);const d=i.getRenderObjectFunction(),c=i.getMRT(),h=!!c&&c.has("velocity");W_=w_(i,n,W_),n.overrideMaterial=U_(r),i.setRenderObjectFunction(k_(i,s,o,h)),i.setClearColor(0,0),i.setRenderTarget(t),this.renderShadow(e),i.setRenderObjectFunction(d),o===Ye&&!0!==s.isPointLightShadow&&this.vsmPass(i),s.camera.layers.mask=l,C_(i,n,W_)}vsmPass(e){const{shadow:t}=this,r=this.shadowMap.depth;this.vsmShadowMapVertical.setSize(t.mapSize.width,t.mapSize.height,r),this.vsmShadowMapHorizontal.setSize(t.mapSize.width,t.mapSize.height,r),e.setRenderTarget(this.vsmShadowMapVertical),H_.material=this.vsmMaterialVertical,H_.render(e),e.setRenderTarget(this.vsmShadowMapHorizontal),H_.material=this.vsmMaterialHorizontal,H_.render(e)}dispose(){this._reset(),super.dispose()}_reset(){this._currentShadowType=null,I_(this.light),this.shadowMap&&(this.shadowMap.dispose(),this.shadowMap=null),null!==this.vsmShadowMapVertical&&(this.vsmShadowMapVertical.dispose(),this.vsmShadowMapVertical=null,this.vsmMaterialVertical.dispose(),this.vsmMaterialVertical=null),null!==this.vsmShadowMapHorizontal&&(this.vsmShadowMapHorizontal.dispose(),this.vsmShadowMapHorizontal=null,this.vsmMaterialHorizontal.dispose(),this.vsmMaterialHorizontal=null)}updateBefore(e){const{shadow:t}=this;let r=t.needsUpdate||t.autoUpdate;r&&(this._cameraFrameId[e.camera]===e.frameId&&(r=!1),this._cameraFrameId[e.camera]=e.frameId),r&&(this.updateShadow(e),this.shadowMap.depthTexture.version===this._depthVersionCached&&(t.needsUpdate=!1))}}const j_=(e,t)=>new q_(e,t),X_=new e,K_=new a,Y_=new r,Q_=new r,Z_=[new r(1,0,0),new r(-1,0,0),new r(0,-1,0),new r(0,1,0),new r(0,0,1),new r(0,0,-1)],J_=[new r(0,-1,0),new r(0,-1,0),new r(0,0,-1),new r(0,0,1),new r(0,-1,0),new r(0,-1,0)],ev=[new r(1,0,0),new r(-1,0,0),new r(0,1,0),new r(0,-1,0),new r(0,0,1),new r(0,0,-1)],tv=[new r(0,-1,0),new r(0,-1,0),new r(0,0,1),new r(0,0,-1),new r(0,-1,0),new r(0,-1,0)],rv=un(({depthTexture:e,bd3D:t,dp:r})=>Cc(e,t).compare(r)),sv=un(({depthTexture:e,bd3D:t,dp:r,shadow:s})=>{const i=Fc("radius","float",s).setGroup(ba),n=Fc("mapSize","vec2",s).setGroup(ba),a=i.div(n.x),o=Mo(t),u=vo(Qo(t,o.x.greaterThan(o.z).select(vn(0,1,0),vn(1,0,0)))),l=Qo(t,u),d=px(Kl.xy).mul(6.28318530718),c=gx(0,5,d),h=gx(1,5,d),p=gx(2,5,d),g=gx(3,5,d),m=gx(4,5,d);return Cc(e,t.add(u.mul(c.x).add(l.mul(c.y)).mul(a))).compare(r).add(Cc(e,t.add(u.mul(h.x).add(l.mul(h.y)).mul(a))).compare(r)).add(Cc(e,t.add(u.mul(p.x).add(l.mul(p.y)).mul(a))).compare(r)).add(Cc(e,t.add(u.mul(g.x).add(l.mul(g.y)).mul(a))).compare(r)).add(Cc(e,t.add(u.mul(m.x).add(l.mul(m.y)).mul(a))).compare(r)).mul(.2)}),iv=un(({filterFn:e,depthTexture:t,shadowCoord:r,shadow:s})=>{const i=r.xyz.toConst(),n=i.abs().toConst(),a=n.x.max(n.y).max(n.z),o=_a("float").setGroup(ba).onRenderUpdate(()=>s.camera.near),u=_a("float").setGroup(ba).onRenderUpdate(()=>s.camera.far),l=Fc("bias","float",s).setGroup(ba),d=gn(1).toVar();return cn(a.sub(u).lessThanEqual(0).and(a.sub(o).greaterThanEqual(0)),()=>{const r=jp(a.negate(),o,u);r.addAssign(l);const n=i.normalize();d.assign(e({depthTexture:t,bd3D:n,dp:r,shadow:s}))}),d});class nv extends q_{static get type(){return"PointShadowNode"}constructor(e,t=null){super(e,t)}getShadowFilterFn(e){return e===et?rv:sv}setupShadowCoord(e,t){return t}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i}){return iv({filterFn:t,depthTexture:r,shadowCoord:s,shadow:i})}setupRenderTarget(e,t){const r=new tt(e.mapSize.width);r.name="PointShadowDepthTexture",r.compareFunction=Qe;const s=t.createCubeRenderTarget(e.mapSize.width);return s.texture.name="PointShadowMap",s.depthTexture=r,{shadowMap:s,depthTexture:r}}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e,a=t.camera,o=t.matrix,u=i.coordinateSystem===h,l=u?Z_:ev,d=u?J_:tv;r.setSize(t.mapSize.width,t.mapSize.width);const c=i.autoClear,p=i.getClearColor(X_),g=i.getClearAlpha();i.autoClear=!1,i.setClearColor(t.clearColor,t.clearAlpha);for(let e=0;e<6;e++){i.setRenderTarget(r,e),i.clear();const u=s.distance||a.far;u!==a.far&&(a.far=u,a.updateProjectionMatrix()),Y_.setFromMatrixPosition(s.matrixWorld),a.position.copy(Y_),Q_.copy(a.position),Q_.add(l[e]),a.up.copy(d[e]),a.lookAt(Q_),a.updateMatrixWorld(),o.makeTranslation(-Y_.x,-Y_.y,-Y_.z),K_.multiplyMatrices(a.projectionMatrix,a.matrixWorldInverse),t._frustum.setFromProjectionMatrix(K_,a.coordinateSystem,a.reversedDepth);const c=n.name;n.name=`Point Light Shadow [ ${s.name||"ID: "+s.id} ] - Face ${e+1}`,i.render(n,a),n.name=c}i.autoClear=c,i.setClearColor(p,g)}}const av=(e,t)=>new nv(e,t);class ov extends Bp{static get type(){return"AnalyticLightNode"}constructor(t=null){super(),this.light=t,this.color=new e,this.colorNode=t&&t.colorNode||_a(this.color).setGroup(ba),this.baseColorNode=null,this.shadowNode=null,this.shadowColorNode=null,this.isAnalyticLightNode=!0,this.updateType=Js.FRAME,t&&t.shadow&&(this._shadowDisposeListener=()=>{this.disposeShadow()},t.addEventListener("dispose",this._shadowDisposeListener))}dispose(){this._shadowDisposeListener&&this.light.removeEventListener("dispose",this._shadowDisposeListener),super.dispose()}disposeShadow(){null!==this.shadowNode&&(this.shadowNode.dispose(),this.shadowNode=null),this.shadowColorNode=null,null!==this.baseColorNode&&(this.colorNode=this.baseColorNode,this.baseColorNode=null)}getHash(){return this.light.uuid}getLightVector(e){return g_(this.light).sub(e.context.positionView||Zd)}setupDirect(){}setupDirectRectArea(){}setupShadowNode(){return j_(this.light)}setupShadow(e){const{renderer:t}=e;if(!1===t.shadowMap.enabled)return;let r=this.shadowColorNode;if(null===r){const e=this.light.shadow.shadowNode;let t;t=void 0!==e?Zi(e):this.setupShadowNode(),this.shadowNode=t,this.shadowColorNode=r=this.colorNode.mul(t),this.baseColorNode=this.colorNode}e.context.getShadow&&(r=e.context.getShadow(this,e)),this.colorNode=r}setup(e){this.colorNode=this.baseColorNode||this.colorNode,this.light.castShadow?e.object.receiveShadow&&this.setupShadow(e):null!==this.shadowNode&&(this.shadowNode.dispose(),this.shadowNode=null,this.shadowColorNode=null);const t=this.setupDirect(e),r=this.setupDirectRectArea(e);t&&e.lightsNode.setupDirectLight(e,this,t),r&&e.lightsNode.setupDirectRectAreaLight(e,this,r)}update(){const{light:e}=this;this.color.copy(e.color).multiplyScalar(e.intensity)}}const uv=un(({lightDistance:e,cutoffDistance:t,decayExponent:r})=>{const s=e.pow(r).max(.01).reciprocal();return t.greaterThan(0).select(s.mul(e.div(t).pow4().oneMinus().clamp().pow2()),s)}),lv=({color:e,lightVector:t,cutoffDistance:r,decayExponent:s})=>{const i=t.normalize(),n=t.length(),a=uv({lightDistance:n,cutoffDistance:r,decayExponent:s});return{lightDirection:i,lightColor:e.mul(a)}};class dv extends ov{static get type(){return"PointLightNode"}constructor(e=null){super(e),this.cutoffDistanceNode=_a(0).setGroup(ba),this.decayExponentNode=_a(2).setGroup(ba)}update(e){const{light:t}=this;super.update(e),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}setupShadowNode(){return av(this.light)}setupDirect(e){return lv({color:this.colorNode,lightVector:this.getLightVector(e),cutoffDistance:this.cutoffDistanceNode,decayExponent:this.decayExponentNode})}}const cv=un(([e=Rl()])=>{const t=e.mul(2),r=t.x.floor(),s=t.y.floor();return r.add(s).mod(2).sign()}),hv=un(([e=Rl()],{renderer:t,material:r})=>{const s=iu(e.mul(2).sub(1));let i;if(r.alphaToCoverage&&t.currentSamples>0){const e=gn(s.fwidth()).toVar();i=lu(e.oneMinus(),e.add(1),s).oneMinus()}else i=bu(s.greaterThan(1),0,1);return i}),pv=un(([e,t,r])=>{const s=gn(r).toVar(),i=gn(t).toVar(),n=yn(e).toVar();return bu(n,i,s)}).setLayout({name:"mx_select",type:"float",inputs:[{name:"b",type:"bool"},{name:"t",type:"float"},{name:"f",type:"float"}]}),gv=un(([e,t])=>{const r=yn(t).toVar(),s=gn(e).toVar();return bu(r,s.negate(),s)}).setLayout({name:"mx_negate_if",type:"float",inputs:[{name:"val",type:"float"},{name:"b",type:"bool"}]}),mv=un(([e])=>{const t=gn(e).toVar();return mn(To(t))}).setLayout({name:"mx_floor",type:"int",inputs:[{name:"x",type:"float"}]}),fv=un(([e,t])=>{const r=gn(e).toVar();return t.assign(mv(r)),r.sub(gn(t))}),yv=Bb([un(([e,t,r,s,i,n])=>{const a=gn(n).toVar(),o=gn(i).toVar(),u=gn(s).toVar(),l=gn(r).toVar(),d=gn(t).toVar(),c=gn(e).toVar(),h=gn(Ba(1,o)).toVar();return Ba(1,a).mul(c.mul(h).add(d.mul(o))).add(a.mul(l.mul(h).add(u.mul(o))))}).setLayout({name:"mx_bilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"}]}),un(([e,t,r,s,i,n])=>{const a=gn(n).toVar(),o=gn(i).toVar(),u=vn(s).toVar(),l=vn(r).toVar(),d=vn(t).toVar(),c=vn(e).toVar(),h=gn(Ba(1,o)).toVar();return Ba(1,a).mul(c.mul(h).add(d.mul(o))).add(a.mul(l.mul(h).add(u.mul(o))))}).setLayout({name:"mx_bilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"}]})]),bv=Bb([un(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=gn(d).toVar(),h=gn(l).toVar(),p=gn(u).toVar(),g=gn(o).toVar(),m=gn(a).toVar(),f=gn(n).toVar(),y=gn(i).toVar(),b=gn(s).toVar(),x=gn(r).toVar(),T=gn(t).toVar(),_=gn(e).toVar(),v=gn(Ba(1,p)).toVar(),N=gn(Ba(1,h)).toVar();return gn(Ba(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(x.mul(v).add(b.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))}).setLayout({name:"mx_trilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"v4",type:"float"},{name:"v5",type:"float"},{name:"v6",type:"float"},{name:"v7",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]}),un(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=gn(d).toVar(),h=gn(l).toVar(),p=gn(u).toVar(),g=vn(o).toVar(),m=vn(a).toVar(),f=vn(n).toVar(),y=vn(i).toVar(),b=vn(s).toVar(),x=vn(r).toVar(),T=vn(t).toVar(),_=vn(e).toVar(),v=gn(Ba(1,p)).toVar(),N=gn(Ba(1,h)).toVar();return gn(Ba(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(x.mul(v).add(b.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))}).setLayout({name:"mx_trilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"v4",type:"vec3"},{name:"v5",type:"vec3"},{name:"v6",type:"vec3"},{name:"v7",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]})]),xv=un(([e,t,r])=>{const s=gn(r).toVar(),i=gn(t).toVar(),n=fn(e).toVar(),a=fn(n.bitAnd(fn(7))).toVar(),o=gn(pv(a.lessThan(fn(4)),i,s)).toVar(),u=gn(Fa(2,pv(a.lessThan(fn(4)),s,i))).toVar();return gv(o,yn(a.bitAnd(fn(1)))).add(gv(u,yn(a.bitAnd(fn(2)))))}).setLayout({name:"mx_gradient_float_0",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"}]}),Tv=un(([e,t,r,s])=>{const i=gn(s).toVar(),n=gn(r).toVar(),a=gn(t).toVar(),o=fn(e).toVar(),u=fn(o.bitAnd(fn(15))).toVar(),l=gn(pv(u.lessThan(fn(8)),a,n)).toVar(),d=gn(pv(u.lessThan(fn(4)),n,pv(u.equal(fn(12)).or(u.equal(fn(14))),a,i))).toVar();return gv(l,yn(u.bitAnd(fn(1)))).add(gv(d,yn(u.bitAnd(fn(2)))))}).setLayout({name:"mx_gradient_float_1",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),_v=Bb([xv,Tv]),vv=un(([e,t,r])=>{const s=gn(r).toVar(),i=gn(t).toVar(),n=Sn(e).toVar();return vn(_v(n.x,i,s),_v(n.y,i,s),_v(n.z,i,s))}).setLayout({name:"mx_gradient_vec3_0",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"}]}),Nv=un(([e,t,r,s])=>{const i=gn(s).toVar(),n=gn(r).toVar(),a=gn(t).toVar(),o=Sn(e).toVar();return vn(_v(o.x,a,n,i),_v(o.y,a,n,i),_v(o.z,a,n,i))}).setLayout({name:"mx_gradient_vec3_1",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),Sv=Bb([vv,Nv]),Rv=un(([e])=>{const t=gn(e).toVar();return Fa(.6616,t)}).setLayout({name:"mx_gradient_scale2d_0",type:"float",inputs:[{name:"v",type:"float"}]}),Ev=un(([e])=>{const t=gn(e).toVar();return Fa(.982,t)}).setLayout({name:"mx_gradient_scale3d_0",type:"float",inputs:[{name:"v",type:"float"}]}),Av=Bb([Rv,un(([e])=>{const t=vn(e).toVar();return Fa(.6616,t)}).setLayout({name:"mx_gradient_scale2d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),wv=Bb([Ev,un(([e])=>{const t=vn(e).toVar();return Fa(.982,t)}).setLayout({name:"mx_gradient_scale3d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),Cv=un(([e,t])=>{const r=mn(t).toVar(),s=fn(e).toVar();return s.shiftLeft(r).bitOr(s.shiftRight(mn(32).sub(r)))}).setLayout({name:"mx_rotl32",type:"uint",inputs:[{name:"x",type:"uint"},{name:"k",type:"int"}]}),Mv=un(([e,t,r])=>{e.subAssign(r),e.bitXorAssign(Cv(r,mn(4))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(Cv(e,mn(6))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(Cv(t,mn(8))),t.addAssign(e),e.subAssign(r),e.bitXorAssign(Cv(r,mn(16))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(Cv(e,mn(19))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(Cv(t,mn(4))),t.addAssign(e)}),Bv=un(([e,t,r])=>{const s=fn(r).toVar(),i=fn(t).toVar(),n=fn(e).toVar();return s.bitXorAssign(i),s.subAssign(Cv(i,mn(14))),n.bitXorAssign(s),n.subAssign(Cv(s,mn(11))),i.bitXorAssign(n),i.subAssign(Cv(n,mn(25))),s.bitXorAssign(i),s.subAssign(Cv(i,mn(16))),n.bitXorAssign(s),n.subAssign(Cv(s,mn(4))),i.bitXorAssign(n),i.subAssign(Cv(n,mn(14))),s.bitXorAssign(i),s.subAssign(Cv(i,mn(24))),s}).setLayout({name:"mx_bjfinal",type:"uint",inputs:[{name:"a",type:"uint"},{name:"b",type:"uint"},{name:"c",type:"uint"}]}),Fv=un(([e])=>{const t=fn(e).toVar();return gn(t).div(gn(fn(mn(4294967295))))}).setLayout({name:"mx_bits_to_01",type:"float",inputs:[{name:"bits",type:"uint"}]}),Lv=un(([e])=>{const t=gn(e).toVar();return t.mul(t).mul(t).mul(t.mul(t.mul(6).sub(15)).add(10))}).setLayout({name:"mx_fade",type:"float",inputs:[{name:"t",type:"float"}]}),Pv=Bb([un(([e])=>{const t=mn(e).toVar(),r=fn(fn(1)).toVar(),s=fn(fn(mn(3735928559)).add(r.shiftLeft(fn(2))).add(fn(13))).toVar();return Bv(s.add(fn(t)),s,s)}).setLayout({name:"mx_hash_int_0",type:"uint",inputs:[{name:"x",type:"int"}]}),un(([e,t])=>{const r=mn(t).toVar(),s=mn(e).toVar(),i=fn(fn(2)).toVar(),n=fn().toVar(),a=fn().toVar(),o=fn().toVar();return n.assign(a.assign(o.assign(fn(mn(3735928559)).add(i.shiftLeft(fn(2))).add(fn(13))))),n.addAssign(fn(s)),a.addAssign(fn(r)),Bv(n,a,o)}).setLayout({name:"mx_hash_int_1",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),un(([e,t,r])=>{const s=mn(r).toVar(),i=mn(t).toVar(),n=mn(e).toVar(),a=fn(fn(3)).toVar(),o=fn().toVar(),u=fn().toVar(),l=fn().toVar();return o.assign(u.assign(l.assign(fn(mn(3735928559)).add(a.shiftLeft(fn(2))).add(fn(13))))),o.addAssign(fn(n)),u.addAssign(fn(i)),l.addAssign(fn(s)),Bv(o,u,l)}).setLayout({name:"mx_hash_int_2",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]}),un(([e,t,r,s])=>{const i=mn(s).toVar(),n=mn(r).toVar(),a=mn(t).toVar(),o=mn(e).toVar(),u=fn(fn(4)).toVar(),l=fn().toVar(),d=fn().toVar(),c=fn().toVar();return l.assign(d.assign(c.assign(fn(mn(3735928559)).add(u.shiftLeft(fn(2))).add(fn(13))))),l.addAssign(fn(o)),d.addAssign(fn(a)),c.addAssign(fn(n)),Mv(l,d,c),l.addAssign(fn(i)),Bv(l,d,c)}).setLayout({name:"mx_hash_int_3",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"}]}),un(([e,t,r,s,i])=>{const n=mn(i).toVar(),a=mn(s).toVar(),o=mn(r).toVar(),u=mn(t).toVar(),l=mn(e).toVar(),d=fn(fn(5)).toVar(),c=fn().toVar(),h=fn().toVar(),p=fn().toVar();return c.assign(h.assign(p.assign(fn(mn(3735928559)).add(d.shiftLeft(fn(2))).add(fn(13))))),c.addAssign(fn(l)),h.addAssign(fn(u)),p.addAssign(fn(o)),Mv(c,h,p),c.addAssign(fn(a)),h.addAssign(fn(n)),Bv(c,h,p)}).setLayout({name:"mx_hash_int_4",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"},{name:"yy",type:"int"}]})]),Dv=Bb([un(([e,t])=>{const r=mn(t).toVar(),s=mn(e).toVar(),i=fn(Pv(s,r)).toVar(),n=Sn().toVar();return n.x.assign(i.bitAnd(mn(255))),n.y.assign(i.shiftRight(mn(8)).bitAnd(mn(255))),n.z.assign(i.shiftRight(mn(16)).bitAnd(mn(255))),n}).setLayout({name:"mx_hash_vec3_0",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),un(([e,t,r])=>{const s=mn(r).toVar(),i=mn(t).toVar(),n=mn(e).toVar(),a=fn(Pv(n,i,s)).toVar(),o=Sn().toVar();return o.x.assign(a.bitAnd(mn(255))),o.y.assign(a.shiftRight(mn(8)).bitAnd(mn(255))),o.z.assign(a.shiftRight(mn(16)).bitAnd(mn(255))),o}).setLayout({name:"mx_hash_vec3_1",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]})]),Uv=Bb([un(([e])=>{const t=bn(e).toVar(),r=mn().toVar(),s=mn().toVar(),i=gn(fv(t.x,r)).toVar(),n=gn(fv(t.y,s)).toVar(),a=gn(Lv(i)).toVar(),o=gn(Lv(n)).toVar(),u=gn(yv(_v(Pv(r,s),i,n),_v(Pv(r.add(mn(1)),s),i.sub(1),n),_v(Pv(r,s.add(mn(1))),i,n.sub(1)),_v(Pv(r.add(mn(1)),s.add(mn(1))),i.sub(1),n.sub(1)),a,o)).toVar();return Av(u)}).setLayout({name:"mx_perlin_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"}]}),un(([e])=>{const t=vn(e).toVar(),r=mn().toVar(),s=mn().toVar(),i=mn().toVar(),n=gn(fv(t.x,r)).toVar(),a=gn(fv(t.y,s)).toVar(),o=gn(fv(t.z,i)).toVar(),u=gn(Lv(n)).toVar(),l=gn(Lv(a)).toVar(),d=gn(Lv(o)).toVar(),c=gn(bv(_v(Pv(r,s,i),n,a,o),_v(Pv(r.add(mn(1)),s,i),n.sub(1),a,o),_v(Pv(r,s.add(mn(1)),i),n,a.sub(1),o),_v(Pv(r.add(mn(1)),s.add(mn(1)),i),n.sub(1),a.sub(1),o),_v(Pv(r,s,i.add(mn(1))),n,a,o.sub(1)),_v(Pv(r.add(mn(1)),s,i.add(mn(1))),n.sub(1),a,o.sub(1)),_v(Pv(r,s.add(mn(1)),i.add(mn(1))),n,a.sub(1),o.sub(1)),_v(Pv(r.add(mn(1)),s.add(mn(1)),i.add(mn(1))),n.sub(1),a.sub(1),o.sub(1)),u,l,d)).toVar();return wv(c)}).setLayout({name:"mx_perlin_noise_float_1",type:"float",inputs:[{name:"p",type:"vec3"}]})]),Iv=Bb([un(([e])=>{const t=bn(e).toVar(),r=mn().toVar(),s=mn().toVar(),i=gn(fv(t.x,r)).toVar(),n=gn(fv(t.y,s)).toVar(),a=gn(Lv(i)).toVar(),o=gn(Lv(n)).toVar(),u=vn(yv(Sv(Dv(r,s),i,n),Sv(Dv(r.add(mn(1)),s),i.sub(1),n),Sv(Dv(r,s.add(mn(1))),i,n.sub(1)),Sv(Dv(r.add(mn(1)),s.add(mn(1))),i.sub(1),n.sub(1)),a,o)).toVar();return Av(u)}).setLayout({name:"mx_perlin_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"vec2"}]}),un(([e])=>{const t=vn(e).toVar(),r=mn().toVar(),s=mn().toVar(),i=mn().toVar(),n=gn(fv(t.x,r)).toVar(),a=gn(fv(t.y,s)).toVar(),o=gn(fv(t.z,i)).toVar(),u=gn(Lv(n)).toVar(),l=gn(Lv(a)).toVar(),d=gn(Lv(o)).toVar(),c=vn(bv(Sv(Dv(r,s,i),n,a,o),Sv(Dv(r.add(mn(1)),s,i),n.sub(1),a,o),Sv(Dv(r,s.add(mn(1)),i),n,a.sub(1),o),Sv(Dv(r.add(mn(1)),s.add(mn(1)),i),n.sub(1),a.sub(1),o),Sv(Dv(r,s,i.add(mn(1))),n,a,o.sub(1)),Sv(Dv(r.add(mn(1)),s,i.add(mn(1))),n.sub(1),a,o.sub(1)),Sv(Dv(r,s.add(mn(1)),i.add(mn(1))),n,a.sub(1),o.sub(1)),Sv(Dv(r.add(mn(1)),s.add(mn(1)),i.add(mn(1))),n.sub(1),a.sub(1),o.sub(1)),u,l,d)).toVar();return wv(c)}).setLayout({name:"mx_perlin_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec3"}]})]),Ov=Bb([un(([e])=>{const t=gn(e).toVar(),r=mn(mv(t)).toVar();return Fv(Pv(r))}).setLayout({name:"mx_cell_noise_float_0",type:"float",inputs:[{name:"p",type:"float"}]}),un(([e])=>{const t=bn(e).toVar(),r=mn(mv(t.x)).toVar(),s=mn(mv(t.y)).toVar();return Fv(Pv(r,s))}).setLayout({name:"mx_cell_noise_float_1",type:"float",inputs:[{name:"p",type:"vec2"}]}),un(([e])=>{const t=vn(e).toVar(),r=mn(mv(t.x)).toVar(),s=mn(mv(t.y)).toVar(),i=mn(mv(t.z)).toVar();return Fv(Pv(r,s,i))}).setLayout({name:"mx_cell_noise_float_2",type:"float",inputs:[{name:"p",type:"vec3"}]}),un(([e])=>{const t=En(e).toVar(),r=mn(mv(t.x)).toVar(),s=mn(mv(t.y)).toVar(),i=mn(mv(t.z)).toVar(),n=mn(mv(t.w)).toVar();return Fv(Pv(r,s,i,n))}).setLayout({name:"mx_cell_noise_float_3",type:"float",inputs:[{name:"p",type:"vec4"}]})]),Vv=Bb([un(([e])=>{const t=gn(e).toVar(),r=mn(mv(t)).toVar();return vn(Fv(Pv(r,mn(0))),Fv(Pv(r,mn(1))),Fv(Pv(r,mn(2))))}).setLayout({name:"mx_cell_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"float"}]}),un(([e])=>{const t=bn(e).toVar(),r=mn(mv(t.x)).toVar(),s=mn(mv(t.y)).toVar();return vn(Fv(Pv(r,s,mn(0))),Fv(Pv(r,s,mn(1))),Fv(Pv(r,s,mn(2))))}).setLayout({name:"mx_cell_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec2"}]}),un(([e])=>{const t=vn(e).toVar(),r=mn(mv(t.x)).toVar(),s=mn(mv(t.y)).toVar(),i=mn(mv(t.z)).toVar();return vn(Fv(Pv(r,s,i,mn(0))),Fv(Pv(r,s,i,mn(1))),Fv(Pv(r,s,i,mn(2))))}).setLayout({name:"mx_cell_noise_vec3_2",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),un(([e])=>{const t=En(e).toVar(),r=mn(mv(t.x)).toVar(),s=mn(mv(t.y)).toVar(),i=mn(mv(t.z)).toVar(),n=mn(mv(t.w)).toVar();return vn(Fv(Pv(r,s,i,n,mn(0))),Fv(Pv(r,s,i,n,mn(1))),Fv(Pv(r,s,i,n,mn(2))))}).setLayout({name:"mx_cell_noise_vec3_3",type:"vec3",inputs:[{name:"p",type:"vec4"}]})]),kv=un(([e,t,r,s])=>{const i=gn(s).toVar(),n=gn(r).toVar(),a=mn(t).toVar(),o=vn(e).toVar(),u=gn(0).toVar(),l=gn(1).toVar();return Sp(a,()=>{u.addAssign(l.mul(Uv(o))),l.mulAssign(i),o.mulAssign(n)}),u}).setLayout({name:"mx_fractal_noise_float",type:"float",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),Gv=un(([e,t,r,s])=>{const i=gn(s).toVar(),n=gn(r).toVar(),a=mn(t).toVar(),o=vn(e).toVar(),u=vn(0).toVar(),l=gn(1).toVar();return Sp(a,()=>{u.addAssign(l.mul(Iv(o))),l.mulAssign(i),o.mulAssign(n)}),u}).setLayout({name:"mx_fractal_noise_vec3",type:"vec3",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),zv=un(([e,t,r,s])=>{const i=gn(s).toVar(),n=gn(r).toVar(),a=mn(t).toVar(),o=vn(e).toVar();return bn(kv(o,a,n,i),kv(o.add(vn(mn(19),mn(193),mn(17))),a,n,i))}).setLayout({name:"mx_fractal_noise_vec2",type:"vec2",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),$v=un(([e,t,r,s])=>{const i=gn(s).toVar(),n=gn(r).toVar(),a=mn(t).toVar(),o=vn(e).toVar(),u=vn(Gv(o,a,n,i)).toVar(),l=gn(kv(o.add(vn(mn(19),mn(193),mn(17))),a,n,i)).toVar();return En(u,l)}).setLayout({name:"mx_fractal_noise_vec4",type:"vec4",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),Wv=Bb([un(([e,t,r,s,i,n,a])=>{const o=mn(a).toVar(),u=gn(n).toVar(),l=mn(i).toVar(),d=mn(s).toVar(),c=mn(r).toVar(),h=mn(t).toVar(),p=bn(e).toVar(),g=vn(Vv(bn(h.add(d),c.add(l)))).toVar(),m=bn(g.x,g.y).toVar();m.subAssign(.5),m.mulAssign(u),m.addAssign(.5);const f=bn(bn(gn(h),gn(c)).add(m)).toVar(),y=bn(f.sub(p)).toVar();return cn(o.equal(mn(2)),()=>Mo(y.x).add(Mo(y.y))),cn(o.equal(mn(3)),()=>Ho(Mo(y.x),Mo(y.y))),Yo(y,y)}).setLayout({name:"mx_worley_distance_0",type:"float",inputs:[{name:"p",type:"vec2"},{name:"x",type:"int"},{name:"y",type:"int"},{name:"xoff",type:"int"},{name:"yoff",type:"int"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),un(([e,t,r,s,i,n,a,o,u])=>{const l=mn(u).toVar(),d=gn(o).toVar(),c=mn(a).toVar(),h=mn(n).toVar(),p=mn(i).toVar(),g=mn(s).toVar(),m=mn(r).toVar(),f=mn(t).toVar(),y=vn(e).toVar(),b=vn(Vv(vn(f.add(p),m.add(h),g.add(c)))).toVar();b.subAssign(.5),b.mulAssign(d),b.addAssign(.5);const x=vn(vn(gn(f),gn(m),gn(g)).add(b)).toVar(),T=vn(x.sub(y)).toVar();return cn(l.equal(mn(2)),()=>Mo(T.x).add(Mo(T.y)).add(Mo(T.z))),cn(l.equal(mn(3)),()=>Ho(Mo(T.x),Mo(T.y),Mo(T.z))),Yo(T,T)}).setLayout({name:"mx_worley_distance_1",type:"float",inputs:[{name:"p",type:"vec3"},{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xoff",type:"int"},{name:"yoff",type:"int"},{name:"zoff",type:"int"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),Hv=un(([e,t,r])=>{const s=mn(r).toVar(),i=gn(t).toVar(),n=bn(e).toVar(),a=mn().toVar(),o=mn().toVar(),u=bn(fv(n.x,a),fv(n.y,o)).toVar(),l=gn(1e6).toVar();return Sp({start:-1,end:mn(1),name:"x",condition:"<="},({x:e})=>{Sp({start:-1,end:mn(1),name:"y",condition:"<="},({y:t})=>{const r=gn(Wv(u,e,t,a,o,i,s)).toVar();l.assign(Wo(l,r))})}),cn(s.equal(mn(0)),()=>{l.assign(bo(l))}),l}).setLayout({name:"mx_worley_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),qv=un(([e,t,r])=>{const s=mn(r).toVar(),i=gn(t).toVar(),n=bn(e).toVar(),a=mn().toVar(),o=mn().toVar(),u=bn(fv(n.x,a),fv(n.y,o)).toVar(),l=bn(1e6,1e6).toVar();return Sp({start:-1,end:mn(1),name:"x",condition:"<="},({x:e})=>{Sp({start:-1,end:mn(1),name:"y",condition:"<="},({y:t})=>{const r=gn(Wv(u,e,t,a,o,i,s)).toVar();cn(r.lessThan(l.x),()=>{l.y.assign(l.x),l.x.assign(r)}).ElseIf(r.lessThan(l.y),()=>{l.y.assign(r)})})}),cn(s.equal(mn(0)),()=>{l.assign(bo(l))}),l}).setLayout({name:"mx_worley_noise_vec2_0",type:"vec2",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),jv=un(([e,t,r])=>{const s=mn(r).toVar(),i=gn(t).toVar(),n=bn(e).toVar(),a=mn().toVar(),o=mn().toVar(),u=bn(fv(n.x,a),fv(n.y,o)).toVar(),l=vn(1e6,1e6,1e6).toVar();return Sp({start:-1,end:mn(1),name:"x",condition:"<="},({x:e})=>{Sp({start:-1,end:mn(1),name:"y",condition:"<="},({y:t})=>{const r=gn(Wv(u,e,t,a,o,i,s)).toVar();cn(r.lessThan(l.x),()=>{l.z.assign(l.y),l.y.assign(l.x),l.x.assign(r)}).ElseIf(r.lessThan(l.y),()=>{l.z.assign(l.y),l.y.assign(r)}).ElseIf(r.lessThan(l.z),()=>{l.z.assign(r)})})}),cn(s.equal(mn(0)),()=>{l.assign(bo(l))}),l}).setLayout({name:"mx_worley_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),Xv=Bb([Hv,un(([e,t,r])=>{const s=mn(r).toVar(),i=gn(t).toVar(),n=vn(e).toVar(),a=mn().toVar(),o=mn().toVar(),u=mn().toVar(),l=vn(fv(n.x,a),fv(n.y,o),fv(n.z,u)).toVar(),d=gn(1e6).toVar();return Sp({start:-1,end:mn(1),name:"x",condition:"<="},({x:e})=>{Sp({start:-1,end:mn(1),name:"y",condition:"<="},({y:t})=>{Sp({start:-1,end:mn(1),name:"z",condition:"<="},({z:r})=>{const n=gn(Wv(l,e,t,r,a,o,u,i,s)).toVar();d.assign(Wo(d,n))})})}),cn(s.equal(mn(0)),()=>{d.assign(bo(d))}),d}).setLayout({name:"mx_worley_noise_float_1",type:"float",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),Kv=Bb([qv,un(([e,t,r])=>{const s=mn(r).toVar(),i=gn(t).toVar(),n=vn(e).toVar(),a=mn().toVar(),o=mn().toVar(),u=mn().toVar(),l=vn(fv(n.x,a),fv(n.y,o),fv(n.z,u)).toVar(),d=bn(1e6,1e6).toVar();return Sp({start:-1,end:mn(1),name:"x",condition:"<="},({x:e})=>{Sp({start:-1,end:mn(1),name:"y",condition:"<="},({y:t})=>{Sp({start:-1,end:mn(1),name:"z",condition:"<="},({z:r})=>{const n=gn(Wv(l,e,t,r,a,o,u,i,s)).toVar();cn(n.lessThan(d.x),()=>{d.y.assign(d.x),d.x.assign(n)}).ElseIf(n.lessThan(d.y),()=>{d.y.assign(n)})})})}),cn(s.equal(mn(0)),()=>{d.assign(bo(d))}),d}).setLayout({name:"mx_worley_noise_vec2_1",type:"vec2",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),Yv=Bb([jv,un(([e,t,r])=>{const s=mn(r).toVar(),i=gn(t).toVar(),n=vn(e).toVar(),a=mn().toVar(),o=mn().toVar(),u=mn().toVar(),l=vn(fv(n.x,a),fv(n.y,o),fv(n.z,u)).toVar(),d=vn(1e6,1e6,1e6).toVar();return Sp({start:-1,end:mn(1),name:"x",condition:"<="},({x:e})=>{Sp({start:-1,end:mn(1),name:"y",condition:"<="},({y:t})=>{Sp({start:-1,end:mn(1),name:"z",condition:"<="},({z:r})=>{const n=gn(Wv(l,e,t,r,a,o,u,i,s)).toVar();cn(n.lessThan(d.x),()=>{d.z.assign(d.y),d.y.assign(d.x),d.x.assign(n)}).ElseIf(n.lessThan(d.y),()=>{d.z.assign(d.y),d.y.assign(n)}).ElseIf(n.lessThan(d.z),()=>{d.z.assign(n)})})})}),cn(s.equal(mn(0)),()=>{d.assign(bo(d))}),d}).setLayout({name:"mx_worley_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),Qv=un(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=mn(e).toVar(),h=bn(t).toVar(),p=bn(r).toVar(),g=bn(s).toVar(),m=gn(i).toVar(),f=gn(n).toVar(),y=gn(a).toVar(),b=yn(o).toVar(),x=mn(u).toVar(),T=gn(l).toVar(),_=gn(d).toVar(),v=h.mul(p).add(g),N=gn(0).toVar();return 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t){const{name:t,type:i}=e;r&&r[t]&&r[t].isNode?s.push(r[t].build(this,i)):s.push(this.generateConst(i))}return e+"( "+s.join(", ")+" )"}generateConst(i,n=null){if(null===n&&("float"===i||"int"===i||"uint"===i?n=0:"bool"===i?n=!1:"color"===i?n=new e:"vec2"===i||"uvec2"===i||"ivec2"===i?n=new t:"vec3"===i||"uvec3"===i||"ivec3"===i?n=new r:"vec4"!==i&&"uvec4"!==i&&"ivec4"!==i||(n=new s)),"float"===i)return zN(n);if("int"===i)return`${Math.round(n)}`;if("uint"===i)return n>=0?`${Math.round(n)}u`:"0u";if("bool"===i)return n?"true":"false";if("color"===i)return`${this.getType("vec3")}( ${zN(n.r)}, ${zN(n.g)}, ${zN(n.b)} )`;const a=this.getTypeLength(i),o=this.getComponentType(i),u=e=>this.generateConst(o,e);if(2===a)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)} )`;if(3===a)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)}, ${u(n.z)} )`;if(4===a&&"mat2"!==i)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)}, ${u(n.z)}, ${u(n.w)} )`;if(a>=4&&n&&(n.isMatrix2||n.isMatrix3||n.isMatrix4))return`${this.getType(i)}( ${n.elements.map(u).join(", ")} )`;if(a>4)return`${this.getType(i)}()`;throw new Error(`NodeBuilder: Type '${i}' not found in generate constant attempt.`)}getType(e){return"color"===e?"vec3":e}hasGeometryAttribute(e){return this.geometry&&void 0!==this.geometry.getAttribute(e)}getAttribute(e,t){const r=this.attributes;for(const t of r)if(t.name===e)return t;const s=new pN(e,t);return this.registerDeclaration(s),r.push(s),s}getPropertyName(e){return e.name}isVector(e){return/vec\d/.test(e)}isMatrix(e){return/mat\d/.test(e)}isReference(e){return"void"===e||"property"===e||"sampler"===e||"samplerComparison"===e||"texture"===e||"cubeTexture"===e||"storageTexture"===e||"depthTexture"===e||"texture3D"===e}needsToWorkingColorSpace(){return!1}getComponentTypeFromTexture(e){const t=e.type;if(e.isDataTexture){if(t===R)return"int";if(t===S)return"uint"}return"float"}getElementType(e){return"mat2"===e?"vec2":"mat3"===e?"vec3":"mat4"===e?"vec4":this.getComponentType(e)}getComponentType(e){if("float"===(e=this.getVectorType(e))||"bool"===e||"int"===e||"uint"===e)return e;const t=/(b|i|u|)(vec|mat)([2-4])/.exec(e);return null===t?null:"b"===t[1]?"bool":"i"===t[1]?"int":"u"===t[1]?"uint":"float"}getVectorType(e){return"color"===e?"vec3":"texture"===e||"cubeTexture"===e||"storageTexture"===e||"texture3D"===e?"vec4":e}getTypeFromLength(e,t="float"){if(1===e)return t;let r=Gs(e);const s="float"===t?"":t[0];return!0===/mat2/.test(t)&&(r=r.replace("vec","mat")),s+r}getTypeFromArray(e){return GN.get(e.constructor)}isInteger(e){return/int|uint|(i|u)vec/.test(e)}getTypeFromAttribute(e){let t=e;e.isInterleavedBufferAttribute&&(t=e.data);const r=t.array,s=e.itemSize,i=e.normalized;let n;return e instanceof nt||!0===i||(n=this.getTypeFromArray(r)),this.getTypeFromLength(s,n)}getTypeLength(e){const t=this.getVectorType(e),r=/vec([2-4])/.exec(t);return null!==r?Number(r[1]):"float"===t||"bool"===t||"int"===t||"uint"===t?1:!0===/mat2/.test(e)?4:!0===/mat3/.test(e)?9:!0===/mat4/.test(e)?16:0}getVectorFromMatrix(e){return e.replace("mat","vec")}changeComponentType(e,t){return this.getTypeFromLength(this.getTypeLength(e),t)}getIntegerType(e){const t=this.getComponentType(e);return"int"===t||"uint"===t?e:this.changeComponentType(e,"int")}setActiveStack(e){this.activeStacks.push(e)}removeActiveStack(e){if(this.activeStacks[this.activeStacks.length-1]!==e)throw new Error("NodeBuilder: Invalid active stack removal.");this.activeStacks.pop()}getActiveStack(){return this.activeStacks[this.activeStacks.length-1]}getBaseStack(){return this.activeStacks[0]}addStack(){this.stack=Qy(this.stack);const e=dn();return this.stacks.push(e),ln(this.stack),this.stack}removeStack(){const e=this.stack;for(const t of e.nodes){this.getDataFromNode(t).stack=e}return this.stack=e.parent,ln(this.stacks.pop()),e}getDataFromNode(e,t=this.shaderStage,r=null){let s=(r=null===r?e.isGlobal(this)?this.globalCache:this.cache:r).getData(e);void 0===s&&(s={},r.setData(e,s)),void 0===s[t]&&(s[t]={});let i=s[t];const n=s.any?s.any.subBuilds:null,a=this.getClosestSubBuild(n);return a&&(void 0===i.subBuildsCache&&(i.subBuildsCache={}),i=i.subBuildsCache[a]||(i.subBuildsCache[a]={}),i.subBuilds=n),i}getNodeProperties(e,t="any"){const r=this.getDataFromNode(e,t);return r.properties||(r.properties={outputNode:null})}getBufferAttributeFromNode(e,t){const r=this.getDataFromNode(e,"vertex");let s=r.bufferAttribute;if(void 0===s){const i=this.uniforms.index++;s=new pN("nodeAttribute"+i,t,e),this.bufferAttributes.push(s),r.bufferAttribute=s}return s}getStructTypeNode(e,t=this.shaderStage){return this.types[t][e]||null}getStructTypeFromNode(e,t,r=null,s=this.shaderStage){const i=this.getDataFromNode(e,s,this.globalCache);let n=i.structType;if(void 0===n){const a=this.structs.index++;null===r&&(r="StructType"+a),n=new TN(r,t),this.structs[s].push(n),this.types[s][r]=e,i.structType=n}return n}getOutputStructTypeFromNode(e,t){const r=this.getStructTypeFromNode(e,t,"OutputType","fragment");return r.output=!0,r}getUniformFromNode(e,t,r=this.shaderStage,s=null){const i=this.getDataFromNode(e,r,this.globalCache);let n=i.uniform;if(void 0===n){const a=this.uniforms.index++;n=new gN(s||"nodeUniform"+a,t,e),this.uniforms[r].push(n),this.registerDeclaration(n),i.uniform=n}return n}getVarFromNode(e,t=null,r=e.getNodeType(this),s=this.shaderStage,i=!1){const n=this.getDataFromNode(e,s),a=this.getSubBuildProperty("variable",n.subBuilds);let o=n[a];if(void 0===o){const u=i?"_const":"_var",l=this.vars[s]||(this.vars[s]=[]),d=this.vars[u]||(this.vars[u]=0);null===t&&(t=(i?"nodeConst":"nodeVar")+d,this.vars[u]++),"variable"!==a&&(t=this.getSubBuildProperty(t,n.subBuilds));const c=e.getArrayCount(this);o=new mN(t,r,i,c),i||l.push(o),this.registerDeclaration(o),n[a]=o}return o}isDeterministic(e){if(e.isMathNode)return this.isDeterministic(e.aNode)&&(!e.bNode||this.isDeterministic(e.bNode))&&(!e.cNode||this.isDeterministic(e.cNode));if(e.isOperatorNode)return this.isDeterministic(e.aNode)&&(!e.bNode||this.isDeterministic(e.bNode));if(e.isArrayNode){if(null!==e.values)for(const t of e.values)if(!this.isDeterministic(t))return!1;return!0}return!!e.isConstNode}getVaryingFromNode(e,t=null,r=e.getNodeType(this),s=null,i=null){const n=this.getDataFromNode(e,"any"),a=this.getSubBuildProperty("varying",n.subBuilds);let o=n[a];if(void 0===o){const e=this.varyings,u=e.length;null===t&&(t="nodeVarying"+u),"varying"!==a&&(t=this.getSubBuildProperty(t,n.subBuilds)),o=new fN(t,r,s,i),e.push(o),this.registerDeclaration(o),n[a]=o}return o}registerDeclaration(e){const t=this.shaderStage,r=this.declarations[t]||(this.declarations[t]={}),s=this.getPropertyName(e);let i=1,n=s;for(;void 0!==r[n];)n=s+"_"+i++;i>1&&(e.name=n,d(`TSL: Declaration name '${s}' of '${e.type}' already in use. Renamed to '${n}'.`)),r[n]=e}getCodeFromNode(e,t,r=this.shaderStage){const s=this.getDataFromNode(e);let i=s.code;if(void 0===i){const e=this.codes[r]||(this.codes[r]=[]),n=e.length;i=new yN("nodeCode"+n,t),e.push(i),s.code=i}return i}addFlowCodeHierarchy(e,t){const{flowCodes:r,flowCodeBlock:s}=this.getDataFromNode(e);let i=!0,n=t;for(;n;){if(!0===s.get(n)){i=!1;break}n=this.getDataFromNode(n).parentNodeBlock}if(i)for(const e of r)this.addLineFlowCode(e)}addLineFlowCodeBlock(e,t,r){const s=this.getDataFromNode(e),i=s.flowCodes||(s.flowCodes=[]),n=s.flowCodeBlock||(s.flowCodeBlock=new WeakMap);i.push(t),n.set(r,!0)}addLineFlowCode(e,t=null){return""===e||(null!==t&&this.context.nodeBlock&&this.addLineFlowCodeBlock(t,e,this.context.nodeBlock),e=this.tab+e,/;\s*$/.test(e)||(e+=";\n"),this.flow.code+=e),this}addFlowCode(e){return this.flow.code+=e,this}addFlowTab(){return this.tab+="\t",this}removeFlowTab(){return this.tab=this.tab.slice(0,-1),this}getFlowData(e){return this.flowsData.get(e)}flowNode(e){const t=e.getNodeType(this),r=this.flowChildNode(e,t);return this.flowsData.set(e,r),r}addInclude(e){null!==this.currentFunctionNode&&this.currentFunctionNode.includes.push(e)}buildFunctionNode(e){const t=new cT,r=this.currentFunctionNode;return this.currentFunctionNode=t,t.code=this.buildFunctionCode(e),this.currentFunctionNode=r,t}flowShaderNode(e){const t=e.layout,r={[Symbol.iterator](){let e=0;const t=Object.values(this);return{next:()=>({value:t[e],done:e++>=t.length})}}};for(const e of t.inputs)r[e.name]=new Ky(e.type,e.name);e.layout=null;const s=e.call(r),i=this.flowStagesNode(s,t.type);return e.layout=t,i}flowBuildStage(e,t,r=null){const s=this.getBuildStage();this.setBuildStage(t);const i=e.build(this,r);return this.setBuildStage(s),i}flowStagesNode(e,t=null){const r=this.flow,s=this.vars,i=this.declarations,n=this.cache,a=this.buildStage,o=this.stack,u={code:""};this.flow=u,this.vars={},this.declarations={},this.cache=new xN,this.stack=Qy();for(const r of si)this.setBuildStage(r),u.result=e.build(this,t);return u.vars=this.getVars(this.shaderStage),this.flow=r,this.vars=s,this.declarations=i,this.cache=n,this.stack=o,this.setBuildStage(a),u}getFunctionOperator(){return null}buildFunctionCode(){d("Abstract function.")}flowChildNode(e,t=null){const r=this.flow,s={code:""};return this.flow=s,s.result=e.build(this,t),this.flow=r,s}flowNodeFromShaderStage(e,t,r=null,s=null){const i=this.tab,n=this.cache,a=this.shaderStage,o=this.context;this.setShaderStage(e);const u={...this.context};delete u.nodeBlock,this.cache=this.globalCache,this.tab="\t",this.context=u;let l=null;if("generate"===this.buildStage){const i=this.flowChildNode(t,r);null!==s&&(i.code+=`${this.tab+s} = ${i.result};\n`),this.flowCode[e]=this.flowCode[e]+i.code,l=i}else l=t.build(this);return this.setShaderStage(a),this.cache=n,this.tab=i,this.context=o,l}getAttributesArray(){return this.attributes.concat(this.bufferAttributes)}getAttributes(){d("Abstract function.")}getVaryings(){d("Abstract function.")}getVar(e,t,r=null){return`${null!==r?this.generateArrayDeclaration(e,r):this.getType(e)} ${t}`}getVars(e){let t="";const r=this.vars[e];if(void 0!==r)for(const e of r)t+=`${this.getVar(e.type,e.name)}; `;return t}getUniforms(){d("Abstract function.")}getCodes(e){const t=this.codes[e];let r="";if(void 0!==t)for(const e of t)r+=e.code+"\n";return r}getHash(){return this.vertexShader+this.fragmentShader+this.computeShader}setShaderStage(e){this.shaderStage=e}getShaderStage(){return this.shaderStage}setBuildStage(e){this.buildStage=e}getBuildStage(){return this.buildStage}buildCode(){d("Abstract function.")}get subBuild(){return this.subBuildLayers[this.subBuildLayers.length-1]||null}addSubBuild(e){this.subBuildLayers.push(e)}removeSubBuild(){return this.subBuildLayers.pop()}getClosestSubBuild(e){let t;if(t=e&&e.isNode?e.isShaderCallNodeInternal?e.shaderNode.subBuilds:e.isStackNode?[e.subBuild]:this.getDataFromNode(e,"any").subBuilds:e instanceof Set?[...e]:e,!t)return null;const r=this.subBuildLayers;for(let e=t.length-1;e>=0;e--){const s=t[e];if(r.includes(s))return s}return null}getSubBuildOutput(e){return this.getSubBuildProperty("outputNode",e)}getSubBuildProperty(e="",t=null){let r,s;return r=null!==t?this.getClosestSubBuild(t):this.subBuildFn,s=r?e?r+"_"+e:r:e,s}build(){const{object:e,material:t,renderer:r}=this;if(null!==t){let e=r.library.fromMaterial(t);null===e&&(o(`NodeMaterial: Material "${t.type}" is not compatible.`),e=new pg),e.build(this)}else this.addFlow("compute",e);for(const e of si){this.setBuildStage(e),this.context.position&&this.context.position.isNode&&this.flowNodeFromShaderStage("vertex",this.context.position);for(const t of ii){this.setShaderStage(t);const r=this.flowNodes[t];for(const t of r)"generate"===e?this.flowNode(t):t.build(this)}}return this.setBuildStage(null),this.setShaderStage(null),this.buildCode(),this.buildUpdateNodes(),this}getSharedDataFromNode(e){let t=VN.get(e);return void 0===t&&(t={}),t}getNodeUniform(e,t){const r=this.getSharedDataFromNode(e);let s=r.cache;if(void 0===s){if("float"===t||"int"===t||"uint"===t)s=new MN(e);else if("vec2"===t||"ivec2"===t||"uvec2"===t)s=new BN(e);else if("vec3"===t||"ivec3"===t||"uvec3"===t)s=new FN(e);else if("vec4"===t||"ivec4"===t||"uvec4"===t)s=new LN(e);else if("color"===t)s=new PN(e);else if("mat2"===t)s=new DN(e);else if("mat3"===t)s=new UN(e);else{if("mat4"!==t)throw new Error(`Uniform "${t}" not implemented.`);s=new IN(e)}r.cache=s}return s}format(e,t,r){if((t=this.getVectorType(t))===(r=this.getVectorType(r))||null===r||this.isReference(r))return e;const s=this.getTypeLength(t),i=this.getTypeLength(r);return 16===s&&9===i?`${this.getType(r)}( ${e}[ 0 ].xyz, ${e}[ 1 ].xyz, ${e}[ 2 ].xyz )`:9===s&&4===i?`${this.getType(r)}( ${e}[ 0 ].xy, ${e}[ 1 ].xy )`:s>4||i>4||0===i?e:s===i?`${this.getType(r)}( ${e} )`:s>i?(e="bool"===r?`all( ${e} )`:`${e}.${"xyz".slice(0,i)}`,this.format(e,this.getTypeFromLength(i,this.getComponentType(t)),r)):4===i&&s>1?`${this.getType(r)}( ${this.format(e,t,"vec3")}, 1.0 )`:2===s?`${this.getType(r)}( ${this.format(e,t,"vec2")}, 0.0 )`:(1===s&&i>1&&t!==this.getComponentType(r)&&(e=`${this.getType(this.getComponentType(r))}( ${e} )`),`${this.getType(r)}( ${e} )`)}getSignature(){return`// Three.js r${at} - Node System\n`}needsPreviousData(){const e=this.renderer.getMRT();return e&&e.has("velocity")||!0===Xs(this.object).useVelocity}}class WN{constructor(){this.time=0,this.deltaTime=0,this.frameId=0,this.renderId=0,this.updateMap=new WeakMap,this.updateBeforeMap=new WeakMap,this.updateAfterMap=new WeakMap,this.renderer=null,this.material=null,this.camera=null,this.object=null,this.scene=null}_getMaps(e,t){let r=e.get(t);return void 0===r&&(r={renderId:0,frameId:0},e.set(t,r)),r}updateBeforeNode(e){const t=e.getUpdateBeforeType(),r=e.updateReference(this);if(t===Js.FRAME){const t=this._getMaps(this.updateBeforeMap,r);if(t.frameId!==this.frameId){const r=t.frameId;t.frameId=this.frameId,!1===e.updateBefore(this)&&(t.frameId=r)}}else if(t===Js.RENDER){const t=this._getMaps(this.updateBeforeMap,r);if(t.renderId!==this.renderId){const r=t.renderId;t.renderId=this.renderId,!1===e.updateBefore(this)&&(t.renderId=r)}}else t===Js.OBJECT&&e.updateBefore(this)}updateAfterNode(e){const t=e.getUpdateAfterType(),r=e.updateReference(this);if(t===Js.FRAME){const t=this._getMaps(this.updateAfterMap,r);t.frameId!==this.frameId&&!1!==e.updateAfter(this)&&(t.frameId=this.frameId)}else if(t===Js.RENDER){const t=this._getMaps(this.updateAfterMap,r);t.renderId!==this.renderId&&!1!==e.updateAfter(this)&&(t.renderId=this.renderId)}else t===Js.OBJECT&&e.updateAfter(this)}updateNode(e){const t=e.getUpdateType(),r=e.updateReference(this);if(t===Js.FRAME){const t=this._getMaps(this.updateMap,r);t.frameId!==this.frameId&&!1!==e.update(this)&&(t.frameId=this.frameId)}else if(t===Js.RENDER){const t=this._getMaps(this.updateMap,r);t.renderId!==this.renderId&&!1!==e.update(this)&&(t.renderId=this.renderId)}else t===Js.OBJECT&&e.update(this)}update(){this.frameId++,void 0===this.lastTime&&(this.lastTime=performance.now()),this.deltaTime=(performance.now()-this.lastTime)/1e3,this.lastTime=performance.now(),this.time+=this.deltaTime}}class HN{constructor(e,t,r=null,s="",i=!1){this.type=e,this.name=t,this.count=r,this.qualifier=s,this.isConst=i}}HN.isNodeFunctionInput=!0;class qN extends ov{static get type(){return"AmbientLightNode"}constructor(e=null){super(e)}setup({context:e}){e.irradiance.addAssign(this.colorNode)}}class jN extends ov{static get type(){return"DirectionalLightNode"}constructor(e=null){super(e)}setupDirect(){const e=this.colorNode;return{lightDirection:m_(this.light),lightColor:e}}}class XN extends ov{static get type(){return"HemisphereLightNode"}constructor(t=null){super(t),this.lightPositionNode=h_(t),this.lightDirectionNode=this.lightPositionNode.normalize(),this.groundColorNode=_a(new e).setGroup(ba)}update(e){const{light:t}=this;super.update(e),this.lightPositionNode.object3d=t,this.groundColorNode.value.copy(t.groundColor).multiplyScalar(t.intensity)}setup(e){const{colorNode:t,groundColorNode:r,lightDirectionNode:s}=this,i=dc.dot(s).mul(.5).add(.5),n=nu(r,t,i);e.context.irradiance.addAssign(n)}}class KN extends ov{static get type(){return"SpotLightNode"}constructor(e=null){super(e),this.coneCosNode=_a(0).setGroup(ba),this.penumbraCosNode=_a(0).setGroup(ba),this.cutoffDistanceNode=_a(0).setGroup(ba),this.decayExponentNode=_a(0).setGroup(ba),this.colorNode=_a(this.color).setGroup(ba)}update(e){super.update(e);const{light:t}=this;this.coneCosNode.value=Math.cos(t.angle),this.penumbraCosNode.value=Math.cos(t.angle*(1-t.penumbra)),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}getSpotAttenuation(e,t){const{coneCosNode:r,penumbraCosNode:s}=this;return lu(r,s,t)}getLightCoord(e){const t=e.getNodeProperties(this);let r=t.projectionUV;return void 0===r&&(r=c_(this.light,e.context.positionWorld),t.projectionUV=r),r}setupDirect(e){const{colorNode:t,cutoffDistanceNode:r,decayExponentNode:s,light:i}=this,n=this.getLightVector(e),a=n.normalize(),o=a.dot(m_(i)),u=this.getSpotAttenuation(e,o),l=n.length(),d=uv({lightDistance:l,cutoffDistance:r,decayExponent:s});let c,h,p=t.mul(u).mul(d);if(i.colorNode?(h=this.getLightCoord(e),c=i.colorNode(h)):i.map&&(h=this.getLightCoord(e),c=Pl(i.map,h.xy).onRenderUpdate(()=>i.map)),c){p=h.mul(2).sub(1).abs().lessThan(1).all().select(p.mul(c),p)}return{lightColor:p,lightDirection:a}}}class YN extends KN{static get type(){return"IESSpotLightNode"}getSpotAttenuation(e,t){const r=this.light.iesMap;let s=null;if(r&&!0===r.isTexture){const e=t.acos().mul(1/Math.PI);s=Pl(r,bn(e,0),0).r}else s=super.getSpotAttenuation(t);return s}}class QN extends ov{static get type(){return"LightProbeNode"}constructor(e=null){super(e);const t=[];for(let e=0;e<9;e++)t.push(new r);this.lightProbe=kl(t)}update(e){const{light:t}=this;super.update(e);for(let e=0;e<9;e++)this.lightProbe.array[e].copy(t.sh.coefficients[e]).multiplyScalar(t.intensity)}setup(e){const t=aN(dc,this.lightProbe);e.context.irradiance.addAssign(t)}}const ZN=un(([e,t])=>{const r=e.abs().sub(t);return Fo(Ho(r,0)).add(Wo(Ho(r.x,r.y),0))});class JN extends KN{static get type(){return"ProjectorLightNode"}update(e){super.update(e);const t=this.light;if(this.penumbraCosNode.value=Math.min(Math.cos(t.angle*(1-t.penumbra)),.99999),null===t.aspect){let e=1;null!==t.map&&(e=t.map.width/t.map.height),t.shadow.aspect=e}else t.shadow.aspect=t.aspect}getSpotAttenuation(e){const t=gn(0),r=this.penumbraCosNode,s=d_(this.light).mul(e.context.positionWorld||Yd);return cn(s.w.greaterThan(0),()=>{const e=s.xyz.div(s.w),i=ZN(e.xy.sub(bn(.5)),bn(.5)),n=La(-1,Ba(1,wo(r)).sub(1));t.assign(ou(i.mul(-2).mul(n)))}),t}}const eS=new a,tS=new a;let rS=null;class sS extends ov{static get type(){return"RectAreaLightNode"}constructor(e=null){super(e),this.halfHeight=_a(new r).setGroup(ba),this.halfWidth=_a(new r).setGroup(ba),this.updateType=Js.RENDER}update(e){super.update(e);const{light:t}=this,r=e.camera.matrixWorldInverse;tS.identity(),eS.copy(t.matrixWorld),eS.premultiply(r),tS.extractRotation(eS),this.halfWidth.value.set(.5*t.width,0,0),this.halfHeight.value.set(0,.5*t.height,0),this.halfWidth.value.applyMatrix4(tS),this.halfHeight.value.applyMatrix4(tS)}setupDirectRectArea(e){let t,r;e.isAvailable("float32Filterable")?(t=Pl(rS.LTC_FLOAT_1),r=Pl(rS.LTC_FLOAT_2)):(t=Pl(rS.LTC_HALF_1),r=Pl(rS.LTC_HALF_2));const{colorNode:s,light:i}=this;return{lightColor:s,lightPosition:g_(i),halfWidth:this.halfWidth,halfHeight:this.halfHeight,ltc_1:t,ltc_2:r}}static setLTC(e){rS=e}}class iS{parseFunction(){d("Abstract function.")}}class nS{constructor(e,t,r="",s=""){this.type=e,this.inputs=t,this.name=r,this.precision=s}getCode(){d("Abstract function.")}}nS.isNodeFunction=!0;const aS=/^\s*(highp|mediump|lowp)?\s*([a-z_0-9]+)\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)/i,oS=/[a-z_0-9]+/gi,uS="#pragma main";class lS extends nS{constructor(e){const{type:t,inputs:r,name:s,precision:i,inputsCode:n,blockCode:a,headerCode:o}=(e=>{const t=(e=e.trim()).indexOf(uS),r=-1!==t?e.slice(t+12):e,s=r.match(aS);if(null!==s&&5===s.length){const i=s[4],n=[];let a=null;for(;null!==(a=oS.exec(i));)n.push(a);const o=[];let u=0;for(;u<n.length;){const e="const"===n[u][0];!0===e&&u++;let t=n[u][0];"in"===t||"out"===t||"inout"===t?u++:t="";const r=n[u++][0];let s=Number.parseInt(n[u][0]);!1===Number.isNaN(s)?u++:s=null;const i=n[u++][0];o.push(new HN(r,i,s,t,e))}const l=r.substring(s[0].length),d=void 0!==s[3]?s[3]:"";return{type:s[2],inputs:o,name:d,precision:void 0!==s[1]?s[1]:"",inputsCode:i,blockCode:l,headerCode:-1!==t?e.slice(0,t):""}}throw new Error("FunctionNode: Function is not a GLSL code.")})(e);super(t,r,s,i),this.inputsCode=n,this.blockCode=a,this.headerCode=o}getCode(e=this.name){let t;const r=this.blockCode;if(""!==r){const{type:s,inputsCode:i,headerCode:n,precision:a}=this;let o=`${s} ${e} ( ${i.trim()} )`;""!==a&&(o=`${a} ${o}`),t=n+o+r}else t="";return t}}class dS extends iS{parseFunction(e){return new lS(e)}}const cS=new WeakMap,hS=[],pS=[];class gS extends yy{constructor(e,t){super(),this.renderer=e,this.backend=t,this.nodeFrame=new WN,this.nodeBuilderCache=new Map,this.callHashCache=new hy,this.groupsData=new hy,this.cacheLib={}}updateGroup(e){const t=e.groupNode,r=t.name;if(r===xa.name)return!0;if(r===ba.name){const t=this.get(e),r=this.nodeFrame.renderId;return t.renderId!==r&&(t.renderId=r,!0)}if(r===ya.name){const t=this.get(e),r=this.nodeFrame.frameId;return t.frameId!==r&&(t.frameId=r,!0)}hS[0]=t,hS[1]=e;let s=this.groupsData.get(hS);return void 0===s&&this.groupsData.set(hS,s={}),hS[0]=null,hS[1]=null,s.version!==t.version&&(s.version=t.version,!0)}getForRenderCacheKey(e){return e.initialCacheKey}getForRender(e){const t=this.get(e);let r=t.nodeBuilderState;if(void 0===r){const{nodeBuilderCache:s}=this,i=this.getForRenderCacheKey(e);if(r=s.get(i),void 0===r){const t=t=>{const r=this.backend.createNodeBuilder(e.object,this.renderer);return r.scene=e.scene,r.material=t,r.camera=e.camera,r.context.material=t,r.lightsNode=e.lightsNode,r.environmentNode=this.getEnvironmentNode(e.scene),r.fogNode=this.getFogNode(e.scene),r.clippingContext=e.clippingContext,this.renderer.getOutputRenderTarget()&&this.renderer.getOutputRenderTarget().multiview&&r.enableMultiview(),r};let n=t(e.material);try{n.build()}catch(e){n=t(new pg),n.build();let r=e.stackTrace;!r&&e.stack&&(r=new Ps(e.stack)),o("TSL: "+e,r)}r=this._createNodeBuilderState(n),s.set(i,r)}r.usedTimes++,t.nodeBuilderState=r}return r}delete(e){if(e.isRenderObject){const t=this.get(e).nodeBuilderState;t.usedTimes--,0===t.usedTimes&&this.nodeBuilderCache.delete(this.getForRenderCacheKey(e))}return super.delete(e)}getForCompute(e){const t=this.get(e);let r=t.nodeBuilderState;if(void 0===r){const s=this.backend.createNodeBuilder(e,this.renderer);s.build(),r=this._createNodeBuilderState(s),t.nodeBuilderState=r}return r}_createNodeBuilderState(e){return new hN(e.vertexShader,e.fragmentShader,e.computeShader,e.getAttributesArray(),e.getBindings(),e.updateNodes,e.updateBeforeNodes,e.updateAfterNodes,e.observer,e.transforms)}getEnvironmentNode(e){this.updateEnvironment(e);let t=null;if(e.environmentNode&&e.environmentNode.isNode)t=e.environmentNode;else{const r=this.get(e);r.environmentNode&&(t=r.environmentNode)}return t}getBackgroundNode(e){this.updateBackground(e);let t=null;if(e.backgroundNode&&e.backgroundNode.isNode)t=e.backgroundNode;else{const r=this.get(e);r.backgroundNode&&(t=r.backgroundNode)}return t}getFogNode(e){return this.updateFog(e),e.fogNode||this.get(e).fogNode||null}getCacheKey(e,t){hS[0]=e,hS[1]=t;const r=this.renderer.info.calls,s=this.callHashCache.get(hS)||{};if(s.callId!==r){const i=this.getEnvironmentNode(e),n=this.getFogNode(e);t&&pS.push(t.getCacheKey(!0)),i&&pS.push(i.getCacheKey()),n&&pS.push(n.getCacheKey()),pS.push(this.renderer.getOutputRenderTarget()&&this.renderer.getOutputRenderTarget().multiview?1:0),pS.push(this.renderer.shadowMap.enabled?1:0),pS.push(this.renderer.shadowMap.type),s.callId=r,s.cacheKey=Is(pS),this.callHashCache.set(hS,s),pS.length=0}return hS[0]=null,hS[1]=null,s.cacheKey}get isToneMappingState(){return!this.renderer.getRenderTarget()}updateBackground(e){const t=this.get(e),r=e.background;if(r){const s=0===e.backgroundBlurriness&&t.backgroundBlurriness>0||e.backgroundBlurriness>0&&0===t.backgroundBlurriness;if(t.background!==r||s){const i=this.getCacheNode("background",r,()=>{if(!0===r.isCubeTexture||r.mapping===le||r.mapping===de||r.mapping===Re){if(e.backgroundBlurriness>0||r.mapping===Re)return Bf(r);{let e;return e=!0===r.isCubeTexture?Cc(r):Pl(r),wg(e)}}if(!0===r.isTexture)return Pl(r,jl.flipY()).setUpdateMatrix(!0);!0!==r.isColor&&o("WebGPUNodes: Unsupported background configuration.",r)},s);t.backgroundNode=i,t.background=r,t.backgroundBlurriness=e.backgroundBlurriness}}else t.backgroundNode&&(delete t.backgroundNode,delete t.background)}getCacheNode(e,t,r,s=!1){const i=this.cacheLib[e]||(this.cacheLib[e]=new WeakMap);let n=i.get(t);return(void 0===n||s)&&(n=r(),i.set(t,n)),n}updateFog(e){const t=this.get(e),r=e.fog;if(r){if(t.fog!==r){const e=this.getCacheNode("fog",r,()=>{if(r.isFogExp2){const e=Fc("color","color",r).setGroup(ba),t=Fc("density","float",r).setGroup(ba);return yT(e,mT(t))}if(r.isFog){const e=Fc("color","color",r).setGroup(ba),t=Fc("near","float",r).setGroup(ba),s=Fc("far","float",r).setGroup(ba);return yT(e,gT(t,s))}o("Renderer: Unsupported fog configuration.",r)});t.fogNode=e,t.fog=r}}else delete t.fogNode,delete t.fog}updateEnvironment(e){const t=this.get(e),r=e.environment;if(r){if(t.environment!==r){const e=this.getCacheNode("environment",r,()=>!0===r.isCubeTexture?Cc(r):!0===r.isTexture?Pl(r):void o("Nodes: Unsupported environment configuration.",r));t.environmentNode=e,t.environment=r}}else t.environmentNode&&(delete t.environmentNode,delete t.environment)}getNodeFrame(e=this.renderer,t=null,r=null,s=null,i=null){const n=this.nodeFrame;return n.renderer=e,n.scene=t,n.object=r,n.camera=s,n.material=i,n}getNodeFrameForRender(e){return this.getNodeFrame(e.renderer,e.scene,e.object,e.camera,e.material)}getOutputCacheKey(){const e=this.renderer;return e.toneMapping+","+e.currentColorSpace+","+e.xr.isPresenting}hasOutputChange(e){return cS.get(e)!==this.getOutputCacheKey()}getOutputNode(e){const t=this.renderer,r=this.getOutputCacheKey(),s=e.isArrayTexture?Bx(e,vn(jl,zl("gl_ViewID_OVR"))).renderOutput(t.toneMapping,t.currentColorSpace):Pl(e,jl).renderOutput(t.toneMapping,t.currentColorSpace);return cS.set(e,r),s}updateBefore(e){const t=e.getNodeBuilderState();for(const r of t.updateBeforeNodes)this.getNodeFrameForRender(e).updateBeforeNode(r)}updateAfter(e){const t=e.getNodeBuilderState();for(const r of t.updateAfterNodes)this.getNodeFrameForRender(e).updateAfterNode(r)}updateForCompute(e){const t=this.getNodeFrame(),r=this.getForCompute(e);for(const e of r.updateNodes)t.updateNode(e)}updateForRender(e){const t=this.getNodeFrameForRender(e),r=e.getNodeBuilderState();for(const e of r.updateNodes)t.updateNode(e)}needsRefresh(e){const t=this.getNodeFrameForRender(e);return e.getMonitor().needsRefresh(e,t)}dispose(){super.dispose(),this.nodeFrame=new WN,this.nodeBuilderCache=new Map,this.cacheLib={}}}const mS=new He;class fS{constructor(e=null){this.version=0,this.clipIntersection=null,this.cacheKey="",this.shadowPass=!1,this.viewNormalMatrix=new n,this.clippingGroupContexts=new WeakMap,this.intersectionPlanes=[],this.unionPlanes=[],this.parentVersion=null,null!==e&&(this.viewNormalMatrix=e.viewNormalMatrix,this.clippingGroupContexts=e.clippingGroupContexts,this.shadowPass=e.shadowPass,this.viewMatrix=e.viewMatrix)}projectPlanes(e,t,r){const s=e.length;for(let i=0;i<s;i++){mS.copy(e[i]).applyMatrix4(this.viewMatrix,this.viewNormalMatrix);const s=t[r+i],n=mS.normal;s.x=-n.x,s.y=-n.y,s.z=-n.z,s.w=mS.constant}}updateGlobal(e,t){this.shadowPass=null!==e.overrideMaterial&&e.overrideMaterial.isShadowPassMaterial,this.viewMatrix=t.matrixWorldInverse,this.viewNormalMatrix.getNormalMatrix(this.viewMatrix)}update(e,t){let r=!1;e.version!==this.parentVersion&&(this.intersectionPlanes=Array.from(e.intersectionPlanes),this.unionPlanes=Array.from(e.unionPlanes),this.parentVersion=e.version),this.clipIntersection!==t.clipIntersection&&(this.clipIntersection=t.clipIntersection,this.clipIntersection?this.unionPlanes.length=e.unionPlanes.length:this.intersectionPlanes.length=e.intersectionPlanes.length);const i=t.clippingPlanes,n=i.length;let a,o;if(this.clipIntersection?(a=this.intersectionPlanes,o=e.intersectionPlanes.length):(a=this.unionPlanes,o=e.unionPlanes.length),a.length!==o+n){a.length=o+n;for(let e=0;e<n;e++)a[o+e]=new s;r=!0}this.projectPlanes(i,a,o),r&&(this.version++,this.cacheKey=`${this.intersectionPlanes.length}:${this.unionPlanes.length}`)}getGroupContext(e){if(this.shadowPass&&!e.clipShadows)return this;let t=this.clippingGroupContexts.get(e);return void 0===t&&(t=new fS(this),this.clippingGroupContexts.set(e,t)),t.update(this,e),t}get unionClippingCount(){return this.unionPlanes.length}}class yS{constructor(e,t){this.bundleGroup=e,this.camera=t}}const bS=[];class xS{constructor(){this.bundles=new hy}get(e,t){const r=this.bundles;bS[0]=e,bS[1]=t;let s=r.get(bS);return void 0===s&&(s=new yS(e,t),r.set(bS,s)),bS[0]=null,bS[1]=null,s}dispose(){this.bundles=new hy}}class TS{constructor(){this.lightNodes=new WeakMap,this.materialNodes=new Map,this.toneMappingNodes=new Map}fromMaterial(e){if(e.isNodeMaterial)return e;let t=null;const r=this.getMaterialNodeClass(e.type);if(null!==r){t=new r;for(const r in e)t[r]=e[r]}return t}addToneMapping(e,t){this.addType(e,t,this.toneMappingNodes)}getToneMappingFunction(e){return this.toneMappingNodes.get(e)||null}getMaterialNodeClass(e){return this.materialNodes.get(e)||null}addMaterial(e,t){this.addType(e,t,this.materialNodes)}getLightNodeClass(e){return this.lightNodes.get(e)||null}addLight(e,t){this.addClass(e,t,this.lightNodes)}addType(e,t,r){if(r.has(t))d(`Redefinition of node ${t}`);else{if("function"!=typeof e)throw new Error(`Node class ${e.name} is not a class.`);if("function"==typeof t||"object"==typeof t)throw new Error(`Base class ${t} is not a class.`);r.set(t,e)}}addClass(e,t,r){if(r.has(t))d(`Redefinition of node ${t.name}`);else{if("function"!=typeof e)throw new Error(`Node class ${e.name} is not a class.`);if("function"!=typeof t)throw new Error(`Base class ${t.name} is not a class.`);r.set(t,e)}}}const _S=new x_,vS=new WeakMap;class NS{createNode(e=[]){return(new x_).setLights(e)}getNode(e){if(e.isQuadMesh)return _S;let t=vS.get(e);return void 0===t&&(t=this.createNode(),vS.set(e,t)),t}}class SS extends se{constructor(e=1,t=1,r={}){super(e,t,r),this.isXRRenderTarget=!0,this._hasExternalTextures=!1,this._autoAllocateDepthBuffer=!0,this._isOpaqueFramebuffer=!1}copy(e){return super.copy(e),this._hasExternalTextures=e._hasExternalTextures,this._autoAllocateDepthBuffer=e._autoAllocateDepthBuffer,this._isOpaqueFramebuffer=e._isOpaqueFramebuffer,this}}const RS=new r,ES=new r;class AS extends u{constructor(e,r=!1){super(),this.enabled=!1,this.isPresenting=!1,this.cameraAutoUpdate=!0,this._renderer=e,this._cameraL=new ve,this._cameraL.viewport=new s,this._cameraR=new ve,this._cameraR.viewport=new s,this._cameras=[this._cameraL,this._cameraR],this._cameraXR=new ot,this._currentDepthNear=null,this._currentDepthFar=null,this._controllers=[],this._controllerInputSources=[],this._xrRenderTarget=null,this._layers=[],this._sessionUsesLayers=!1,this._supportsGlBinding="undefined"!=typeof XRWebGLBinding,this._frameBufferTargets=null,this._createXRLayer=FS.bind(this),this._gl=null,this._currentAnimationContext=null,this._currentAnimationLoop=null,this._currentPixelRatio=null,this._currentSize=new t,this._onSessionEvent=CS.bind(this),this._onSessionEnd=MS.bind(this),this._onInputSourcesChange=BS.bind(this),this._onAnimationFrame=LS.bind(this),this._referenceSpace=null,this._referenceSpaceType="local-floor",this._customReferenceSpace=null,this._framebufferScaleFactor=1,this._foveation=1,this._session=null,this._glBaseLayer=null,this._glBinding=null,this._glProjLayer=null,this._xrFrame=null,this._supportsLayers=this._supportsGlBinding&&"createProjectionLayer"in XRWebGLBinding.prototype,this._useMultiviewIfPossible=r,this._useMultiview=!1}getController(e){return this._getController(e).getTargetRaySpace()}getControllerGrip(e){return this._getController(e).getGripSpace()}getHand(e){return this._getController(e).getHandSpace()}getFoveation(){if(null!==this._glProjLayer||null!==this._glBaseLayer)return this._foveation}setFoveation(e){this._foveation=e,null!==this._glProjLayer&&(this._glProjLayer.fixedFoveation=e),null!==this._glBaseLayer&&void 0!==this._glBaseLayer.fixedFoveation&&(this._glBaseLayer.fixedFoveation=e)}getFramebufferScaleFactor(){return this._framebufferScaleFactor}setFramebufferScaleFactor(e){this._framebufferScaleFactor=e,!0===this.isPresenting&&d("XRManager: Cannot change framebuffer scale while presenting.")}getReferenceSpaceType(){return this._referenceSpaceType}setReferenceSpaceType(e){this._referenceSpaceType=e,!0===this.isPresenting&&d("XRManager: Cannot change reference space type while presenting.")}getReferenceSpace(){return this._customReferenceSpace||this._referenceSpace}setReferenceSpace(e){this._customReferenceSpace=e}getCamera(){return this._cameraXR}getEnvironmentBlendMode(){if(null!==this._session)return this._session.environmentBlendMode}getBinding(){return null===this._glBinding&&this._supportsGlBinding&&(this._glBinding=new XRWebGLBinding(this._session,this._gl)),this._glBinding}getFrame(){return this._xrFrame}useMultiview(){return this._useMultiview}createQuadLayer(e,t,r,s,i,n,a,o={}){const u=new ut(e,t),l=new SS(i,n,{format:Se,type:Ve,depthTexture:new Y(i,n,o.stencil?Oe:S,void 0,void 0,void 0,void 0,void 0,void 0,o.stencil?Ue:Ie),stencilBuffer:o.stencil,resolveDepthBuffer:!1,resolveStencilBuffer:!1});l._autoAllocateDepthBuffer=!0;const d=new ge({color:16777215,side:lt});d.map=l.texture,d.map.offset.y=1,d.map.repeat.y=-1;const c=new ne(u,d);c.position.copy(r),c.quaternion.copy(s);const h={type:"quad",width:e,height:t,translation:r,quaternion:s,pixelwidth:i,pixelheight:n,plane:c,material:d,rendercall:a,renderTarget:l};if(this._layers.push(h),null!==this._session){h.plane.material=new ge({color:16777215,side:lt}),h.plane.material.blending=dt,h.plane.material.blendEquation=$e,h.plane.material.blendSrc=ct,h.plane.material.blendDst=ct,h.xrlayer=this._createXRLayer(h);const e=this._session.renderState.layers;e.unshift(h.xrlayer),this._session.updateRenderState({layers:e})}else l.isXRRenderTarget=!1;return c}createCylinderLayer(e,t,r,s,i,n,a,o,u={}){const l=new ht(e,e,e*t/r,64,64,!0,Math.PI-t/2,t),d=new SS(n,a,{format:Se,type:Ve,depthTexture:new Y(n,a,u.stencil?Oe:S,void 0,void 0,void 0,void 0,void 0,void 0,u.stencil?Ue:Ie),stencilBuffer:u.stencil,resolveDepthBuffer:!1,resolveStencilBuffer:!1});d._autoAllocateDepthBuffer=!0;const c=new ge({color:16777215,side:M});c.map=d.texture,c.map.offset.y=1,c.map.repeat.y=-1;const h=new ne(l,c);h.position.copy(s),h.quaternion.copy(i);const p={type:"cylinder",radius:e,centralAngle:t,aspectratio:r,translation:s,quaternion:i,pixelwidth:n,pixelheight:a,plane:h,material:c,rendercall:o,renderTarget:d};if(this._layers.push(p),null!==this._session){p.plane.material=new ge({color:16777215,side:M}),p.plane.material.blending=dt,p.plane.material.blendEquation=$e,p.plane.material.blendSrc=ct,p.plane.material.blendDst=ct,p.xrlayer=this._createXRLayer(p);const e=this._session.renderState.layers;e.unshift(p.xrlayer),this._session.updateRenderState({layers:e})}else d.isXRRenderTarget=!1;return h}renderLayers(){const e=new r,s=new pt,i=this._renderer,n=this.isPresenting,a=i.getOutputRenderTarget(),o=i._frameBufferTarget;this.isPresenting=!1;const u=new t;i.getSize(u);const l=i._quad;for(const t of this._layers)if(t.renderTarget.isXRRenderTarget=null!==this._session,t.renderTarget._hasExternalTextures=t.renderTarget.isXRRenderTarget,t.renderTarget.isXRRenderTarget&&this._sessionUsesLayers){t.xrlayer.transform=new XRRigidTransform(t.plane.getWorldPosition(e),t.plane.getWorldQuaternion(s));const r=this._glBinding.getSubImage(t.xrlayer,this._xrFrame);i.backend.setXRRenderTargetTextures(t.renderTarget,r.colorTexture,void 0),i._setXRLayerSize(t.renderTarget.width,t.renderTarget.height),i.setOutputRenderTarget(t.renderTarget),i.setRenderTarget(null),i._frameBufferTarget=null,this._frameBufferTargets||(this._frameBufferTargets=new WeakMap);const{frameBufferTarget:n,quad:a}=this._frameBufferTargets.get(t.renderTarget)||{frameBufferTarget:null,quad:null};n?(i._frameBufferTarget=n,i._quad=a):(i._quad=new ax(new pg),this._frameBufferTargets.set(t.renderTarget,{frameBufferTarget:i._getFrameBufferTarget(),quad:i._quad})),t.rendercall(),i._frameBufferTarget=null}else i.setRenderTarget(t.renderTarget),t.rendercall();i.setRenderTarget(null),i.setOutputRenderTarget(a),i._frameBufferTarget=o,i._setXRLayerSize(u.x,u.y),i._quad=l,this.isPresenting=n}getSession(){return this._session}async setSession(e){const t=this._renderer,r=t.backend;this._gl=t.getContext();const s=this._gl,i=s.getContextAttributes();if(this._session=e,null!==e){if(!0===r.isWebGPUBackend)throw new Error('THREE.XRManager: XR is currently not supported with a WebGPU backend. Use WebGL by passing "{ forceWebGL: true }" to the constructor of the renderer.');if(e.addEventListener("select",this._onSessionEvent),e.addEventListener("selectstart",this._onSessionEvent),e.addEventListener("selectend",this._onSessionEvent),e.addEventListener("squeeze",this._onSessionEvent),e.addEventListener("squeezestart",this._onSessionEvent),e.addEventListener("squeezeend",this._onSessionEvent),e.addEventListener("end",this._onSessionEnd),e.addEventListener("inputsourceschange",this._onInputSourcesChange),await r.makeXRCompatible(),this._currentPixelRatio=t.getPixelRatio(),t.getSize(this._currentSize),this._currentAnimationContext=t._animation.getContext(),this._currentAnimationLoop=t._animation.getAnimationLoop(),t._animation.stop(),!0===this._supportsLayers){let r=null,n=null,a=null;t.depth&&(a=t.stencil?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24,r=t.stencil?Ue:Ie,n=t.stencil?Oe:S);const o={colorFormat:s.RGBA8,depthFormat:a,scaleFactor:this._framebufferScaleFactor,clearOnAccess:!1};this._useMultiviewIfPossible&&t.hasFeature("OVR_multiview2")&&(o.textureType="texture-array",this._useMultiview=!0),this._glBinding=this.getBinding();const u=this._glBinding.createProjectionLayer(o),l=[u];this._glProjLayer=u,t.setPixelRatio(1),t._setXRLayerSize(u.textureWidth,u.textureHeight);const d=this._useMultiview?2:1,c=new Y(u.textureWidth,u.textureHeight,n,void 0,void 0,void 0,void 0,void 0,void 0,r,d);if(this._xrRenderTarget=new SS(u.textureWidth,u.textureHeight,{format:Se,type:Ve,colorSpace:t.outputColorSpace,depthTexture:c,stencilBuffer:t.stencil,samples:i.antialias?4:0,resolveDepthBuffer:!1===u.ignoreDepthValues,resolveStencilBuffer:!1===u.ignoreDepthValues,depth:this._useMultiview?2:1,multiview:this._useMultiview}),this._xrRenderTarget._hasExternalTextures=!0,this._xrRenderTarget.depth=this._useMultiview?2:1,this._sessionUsesLayers=e.enabledFeatures.includes("layers"),this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType()),this._sessionUsesLayers)for(const e of this._layers)e.plane.material=new ge({color:16777215,side:"cylinder"===e.type?M:lt}),e.plane.material.blending=dt,e.plane.material.blendEquation=$e,e.plane.material.blendSrc=ct,e.plane.material.blendDst=ct,e.xrlayer=this._createXRLayer(e),l.unshift(e.xrlayer);e.updateRenderState({layers:l})}else{const r={antialias:t.currentSamples>0,alpha:!0,depth:t.depth,stencil:t.stencil,framebufferScaleFactor:this.getFramebufferScaleFactor()},i=new XRWebGLLayer(e,s,r);this._glBaseLayer=i,e.updateRenderState({baseLayer:i}),t.setPixelRatio(1),t._setXRLayerSize(i.framebufferWidth,i.framebufferHeight),this._xrRenderTarget=new SS(i.framebufferWidth,i.framebufferHeight,{format:Se,type:Ve,colorSpace:t.outputColorSpace,stencilBuffer:t.stencil,resolveDepthBuffer:!1===i.ignoreDepthValues,resolveStencilBuffer:!1===i.ignoreDepthValues}),this._xrRenderTarget._isOpaqueFramebuffer=!0,this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType())}this.setFoveation(this.getFoveation()),t._animation.setAnimationLoop(this._onAnimationFrame),t._animation.setContext(e),t._animation.start(),this.isPresenting=!0,this.dispatchEvent({type:"sessionstart"})}}updateCamera(e){const t=this._session;if(null===t)return;const r=e.near,s=e.far,i=this._cameraXR,n=this._cameraL,a=this._cameraR;i.near=a.near=n.near=r,i.far=a.far=n.far=s,i.isMultiViewCamera=this._useMultiview,this._currentDepthNear===i.near&&this._currentDepthFar===i.far||(t.updateRenderState({depthNear:i.near,depthFar:i.far}),this._currentDepthNear=i.near,this._currentDepthFar=i.far),i.layers.mask=6|e.layers.mask,n.layers.mask=-5&i.layers.mask,a.layers.mask=-3&i.layers.mask;const o=e.parent,u=i.cameras;wS(i,o);for(let e=0;e<u.length;e++)wS(u[e],o);2===u.length?function(e,t,r){RS.setFromMatrixPosition(t.matrixWorld),ES.setFromMatrixPosition(r.matrixWorld);const s=RS.distanceTo(ES),i=t.projectionMatrix.elements,n=r.projectionMatrix.elements,a=i[14]/(i[10]-1),o=i[14]/(i[10]+1),u=(i[9]+1)/i[5],l=(i[9]-1)/i[5],d=(i[8]-1)/i[0],c=(n[8]+1)/n[0],h=a*d,p=a*c,g=s/(-d+c),m=g*-d;if(t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(m),e.translateZ(g),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert(),-1===i[10])e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse);else{const t=a+g,r=o+g,i=h-m,n=p+(s-m),d=u*o/r*t,c=l*o/r*t;e.projectionMatrix.makePerspective(i,n,d,c,t,r),e.projectionMatrixInverse.copy(e.projectionMatrix).invert()}}(i,n,a):i.projectionMatrix.copy(n.projectionMatrix),function(e,t,r){null===r?e.matrix.copy(t.matrixWorld):(e.matrix.copy(r.matrixWorld),e.matrix.invert(),e.matrix.multiply(t.matrixWorld));e.matrix.decompose(e.position,e.quaternion,e.scale),e.updateMatrixWorld(!0),e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse),e.isPerspectiveCamera&&(e.fov=2*mt*Math.atan(1/e.projectionMatrix.elements[5]),e.zoom=1)}(e,i,o)}_getController(e){let t=this._controllers[e];return void 0===t&&(t=new gt,this._controllers[e]=t),t}}function wS(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}function CS(e){const t=this._controllerInputSources.indexOf(e.inputSource);if(-1===t)return;const r=this._controllers[t];if(void 0!==r){const t=this.getReferenceSpace();r.update(e.inputSource,e.frame,t),r.dispatchEvent({type:e.type,data:e.inputSource})}}function MS(){const e=this._session,t=this._renderer;e.removeEventListener("select",this._onSessionEvent),e.removeEventListener("selectstart",this._onSessionEvent),e.removeEventListener("selectend",this._onSessionEvent),e.removeEventListener("squeeze",this._onSessionEvent),e.removeEventListener("squeezestart",this._onSessionEvent),e.removeEventListener("squeezeend",this._onSessionEvent),e.removeEventListener("end",this._onSessionEnd),e.removeEventListener("inputsourceschange",this._onInputSourcesChange);for(let e=0;e<this._controllers.length;e++){const t=this._controllerInputSources[e];null!==t&&(this._controllerInputSources[e]=null,this._controllers[e].disconnect(t))}if(this._currentDepthNear=null,this._currentDepthFar=null,t._resetXRState(),this._session=null,this._xrRenderTarget=null,this._glBinding=null,this._glBaseLayer=null,this._glProjLayer=null,!0===this._sessionUsesLayers)for(const e of this._layers)e.renderTarget=new SS(e.pixelwidth,e.pixelheight,{format:Se,type:Ve,depthTexture:new Y(e.pixelwidth,e.pixelheight,e.stencilBuffer?Oe:S,void 0,void 0,void 0,void 0,void 0,void 0,e.stencilBuffer?Ue:Ie),stencilBuffer:e.stencilBuffer,resolveDepthBuffer:!1,resolveStencilBuffer:!1}),e.renderTarget.isXRRenderTarget=!1,e.plane.material=e.material,e.material.map=e.renderTarget.texture,e.material.map.offset.y=1,e.material.map.repeat.y=-1,delete e.xrlayer;this.isPresenting=!1,this._useMultiview=!1,t._animation.stop(),t._animation.setAnimationLoop(this._currentAnimationLoop),t._animation.setContext(this._currentAnimationContext),t._animation.start(),t.setPixelRatio(this._currentPixelRatio),t.setSize(this._currentSize.width,this._currentSize.height,!1),this.dispatchEvent({type:"sessionend"})}function BS(e){const t=this._controllers,r=this._controllerInputSources;for(let s=0;s<e.removed.length;s++){const i=e.removed[s],n=r.indexOf(i);n>=0&&(r[n]=null,t[n].disconnect(i))}for(let s=0;s<e.added.length;s++){const i=e.added[s];let n=r.indexOf(i);if(-1===n){for(let e=0;e<t.length;e++){if(e>=r.length){r.push(i),n=e;break}if(null===r[e]){r[e]=i,n=e;break}}if(-1===n)break}const a=t[n];a&&a.connect(i)}}function FS(e){return"quad"===e.type?this._glBinding.createQuadLayer({transform:new XRRigidTransform(e.translation,e.quaternion),width:e.width/2,height:e.height/2,space:this._referenceSpace,viewPixelWidth:e.pixelwidth,viewPixelHeight:e.pixelheight,clearOnAccess:!1}):this._glBinding.createCylinderLayer({transform:new XRRigidTransform(e.translation,e.quaternion),radius:e.radius,centralAngle:e.centralAngle,aspectRatio:e.aspectRatio,space:this._referenceSpace,viewPixelWidth:e.pixelwidth,viewPixelHeight:e.pixelheight,clearOnAccess:!1})}function LS(e,t){if(void 0===t)return;const r=this._cameraXR,i=this._renderer,n=i.backend,a=this._glBaseLayer,o=this.getReferenceSpace(),u=t.getViewerPose(o);if(this._xrFrame=t,null!==u){const e=u.views;null!==this._glBaseLayer&&n.setXRTarget(a.framebuffer);let t=!1;e.length!==r.cameras.length&&(r.cameras.length=0,t=!0);for(let i=0;i<e.length;i++){const o=e[i];let u;if(!0===this._supportsLayers){const e=this._glBinding.getViewSubImage(this._glProjLayer,o);u=e.viewport,0===i&&n.setXRRenderTargetTextures(this._xrRenderTarget,e.colorTexture,this._glProjLayer.ignoreDepthValues&&!this._useMultiview?void 0:e.depthStencilTexture)}else u=a.getViewport(o);let l=this._cameras[i];void 0===l&&(l=new ve,l.layers.enable(i),l.viewport=new s,this._cameras[i]=l),l.matrix.fromArray(o.transform.matrix),l.matrix.decompose(l.position,l.quaternion,l.scale),l.projectionMatrix.fromArray(o.projectionMatrix),l.projectionMatrixInverse.copy(l.projectionMatrix).invert(),l.viewport.set(u.x,u.y,u.width,u.height),0===i&&(r.matrix.copy(l.matrix),r.matrix.decompose(r.position,r.quaternion,r.scale)),!0===t&&r.cameras.push(l)}i.setOutputRenderTarget(this._xrRenderTarget)}for(let e=0;e<this._controllers.length;e++){const r=this._controllerInputSources[e],s=this._controllers[e];null!==r&&void 0!==s&&s.update(r,t,o)}this._currentAnimationLoop&&this._currentAnimationLoop(e,t),t.detectedPlanes&&this.dispatchEvent({type:"planesdetected",data:t}),this._xrFrame=null}class PS extends u{constructor(e){super(),this.domElement=e,this._pixelRatio=1,this._width=this.domElement.width,this._height=this.domElement.height,this._viewport=new s(0,0,this._width,this._height),this._scissor=new s(0,0,this._width,this._height),this._scissorTest=!1,this.colorTexture=new X,this.depthTexture=new Y}getPixelRatio(){return this._pixelRatio}getDrawingBufferSize(e){return e.set(this._width*this._pixelRatio,this._height*this._pixelRatio).floor()}getSize(e){return e.set(this._width,this._height)}setPixelRatio(e=1){this._pixelRatio!==e&&(this._pixelRatio=e,this.setSize(this._width,this._height,!1))}setDrawingBufferSize(e,t,r){this.xr&&this.xr.isPresenting||(this._width=e,this._height=t,this._pixelRatio=r,this.domElement.width=Math.floor(e*r),this.domElement.height=Math.floor(t*r),this.setViewport(0,0,e,t),this._dispatchResize())}setSize(e,t,r=!0){this.xr&&this.xr.isPresenting||(this._width=e,this._height=t,this.domElement.width=Math.floor(e*this._pixelRatio),this.domElement.height=Math.floor(t*this._pixelRatio),!0===r&&(this.domElement.style.width=e+"px",this.domElement.style.height=t+"px"),this.setViewport(0,0,e,t),this._dispatchResize())}getScissor(e){const t=this._scissor;return e.x=t.x,e.y=t.y,e.width=t.width,e.height=t.height,e}setScissor(e,t,r,s){const i=this._scissor;e.isVector4?i.copy(e):i.set(e,t,r,s)}getScissorTest(){return this._scissorTest}setScissorTest(e){this._scissorTest=e}getViewport(e){return e.copy(this._viewport)}setViewport(e,t,r,s,i=0,n=1){const a=this._viewport;e.isVector4?a.copy(e):a.set(e,t,r,s),a.minDepth=i,a.maxDepth=n}_dispatchResize(){this.dispatchEvent({type:"resize"})}dispose(){this.dispatchEvent({type:"dispose"})}}const DS=new ae,US=new t,IS=new s,OS=new yt,VS=new ft,kS=new a,GS=new s,zS={[lt]:M,[M]:lt,[B]:B};class $S{constructor(e,t={}){this.isRenderer=!0;const{logarithmicDepthBuffer:r=!1,alpha:s=!0,depth:i=!0,stencil:n=!1,antialias:a=!1,samples:o=0,getFallback:u=null,outputBufferType:l=be,multiview:d=!1}=t;this.backend=e,this.autoClear=!0,this.autoClearColor=!0,this.autoClearDepth=!0,this.autoClearStencil=!0,this.alpha=s,this.logarithmicDepthBuffer=r,this.outputColorSpace=re,this.toneMapping=m,this.toneMappingExposure=1,this.sortObjects=!0,this.depth=i,this.stencil=n,this.info=new wy,this.contextNode=Tu(),this.library=new TS,this.lighting=new NS,this._samples=o||!0===a?4:0,this._onCanvasTargetResize=this._onCanvasTargetResize.bind(this),this._canvasTarget=new PS(e.getDomElement()),this._canvasTarget.addEventListener("resize",this._onCanvasTargetResize),this._canvasTarget.isDefaultCanvasTarget=!0,this._inspector=new Tl,this._inspector.setRenderer(this),this._getFallback=u,this._attributes=null,this._geometries=null,this._nodes=null,this._animation=null,this._bindings=null,this._objects=null,this._pipelines=null,this._bundles=null,this._renderLists=null,this._renderContexts=null,this._textures=null,this._background=null,this._quad=new ax(new pg),this._quad.name="Output Color Transform",this._quad.material.name="outputColorTransform",this._currentRenderContext=null,this._opaqueSort=null,this._transparentSort=null,this._frameBufferTarget=null;const c=!0===this.alpha?0:1;this._clearColor=new Xy(0,0,0,c),this._clearDepth=1,this._clearStencil=0,this._renderTarget=null,this._activeCubeFace=0,this._activeMipmapLevel=0,this._outputRenderTarget=null,this._mrt=null,this._renderObjectFunction=null,this._currentRenderObjectFunction=null,this._currentRenderBundle=null,this._handleObjectFunction=this._renderObjectDirect,this._isDeviceLost=!1,this.onDeviceLost=this._onDeviceLost,this._outputBufferType=l,this._cacheShadowNodes=new WeakMap,this._initialized=!1,this._callDepth=-1,this._initPromise=null,this._compilationPromises=null,this.transparent=!0,this.opaque=!0,this.shadowMap={enabled:!1,transmitted:!1,type:Ze},this.xr=new AS(this,d),this.debug={checkShaderErrors:!0,onShaderError:null,getShaderAsync:async(e,t,r)=>{await this.compileAsync(e,t);const s=this._renderLists.get(e,t),i=this._renderContexts.get(this._renderTarget,this._mrt),n=e.overrideMaterial||r.material,a=this._objects.get(r,n,e,t,s.lightsNode,i,i.clippingContext),{fragmentShader:o,vertexShader:u}=a.getNodeBuilderState();return{fragmentShader:o,vertexShader:u}}}}async init(){return null!==this._initPromise||(this._initPromise=new Promise(async(e,t)=>{let r=this.backend;try{await r.init(this)}catch(e){if(null===this._getFallback)return void t(e);try{this.backend=r=this._getFallback(e),await r.init(this)}catch(e){return void t(e)}}this._nodes=new gS(this,r),this._animation=new cy(this,this._nodes,this.info),this._attributes=new Ny(r),this._background=new lN(this,this._nodes),this._geometries=new Ay(this._attributes,this.info),this._textures=new jy(this,r,this.info),this._pipelines=new Py(r,this._nodes),this._bindings=new Dy(r,this._nodes,this._textures,this._attributes,this._pipelines,this.info),this._objects=new fy(this,this._nodes,this._geometries,this._pipelines,this._bindings,this.info),this._renderLists=new Gy(this.lighting),this._bundles=new xS,this._renderContexts=new Hy,this._animation.start(),this._initialized=!0,this._inspector.init(),e(this)})),this._initPromise}get domElement(){return this._canvasTarget.domElement}get coordinateSystem(){return this.backend.coordinateSystem}async compileAsync(e,t,r=null){if(!0===this._isDeviceLost)return;!1===this._initialized&&await this.init();const s=this._nodes.nodeFrame,i=s.renderId,n=this._currentRenderContext,a=this._currentRenderObjectFunction,o=this._handleObjectFunction,u=this._compilationPromises,l=!0===e.isScene?e:DS;null===r&&(r=e);const d=this._renderTarget,c=this._renderContexts.get(d,this._mrt),h=this._activeMipmapLevel,p=[];this._currentRenderContext=c,this._currentRenderObjectFunction=this.renderObject,this._handleObjectFunction=this._createObjectPipeline,this._compilationPromises=p,s.renderId++,s.update(),c.depth=this.depth,c.stencil=this.stencil,c.clippingContext||(c.clippingContext=new fS),c.clippingContext.updateGlobal(l,t),l.onBeforeRender(this,e,t,d);const g=this._renderLists.get(e,t);if(g.begin(),this._projectObject(e,t,0,g,c.clippingContext),r!==e&&r.traverseVisible(function(e){e.isLight&&e.layers.test(t.layers)&&g.pushLight(e)}),g.finish(),null!==d){this._textures.updateRenderTarget(d,h);const e=this._textures.get(d);c.textures=e.textures,c.depthTexture=e.depthTexture}else c.textures=null,c.depthTexture=null;r!==e?this._background.update(r,g,c):this._background.update(l,g,c);const m=g.opaque,f=g.transparent,y=g.transparentDoublePass,b=g.lightsNode;!0===this.opaque&&m.length>0&&this._renderObjects(m,t,l,b),!0===this.transparent&&f.length>0&&this._renderTransparents(f,y,t,l,b),s.renderId=i,this._currentRenderContext=n,this._currentRenderObjectFunction=a,this._handleObjectFunction=o,this._compilationPromises=u,await Promise.all(p)}async renderAsync(e,t){v('Renderer: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.render(e,t)}async waitForGPU(){o("Renderer: waitForGPU() has been removed. Read https://github.com/mrdoob/three.js/issues/32012 for more information.")}set inspector(e){null!==this._inspector&&this._inspector.setRenderer(null),this._inspector=e,this._inspector.setRenderer(this)}get inspector(){return this._inspector}set highPrecision(e){const t=this.contextNode.value;!0===e?(t.modelViewMatrix=Wd,t.modelNormalViewMatrix=Hd):this.highPrecision&&(delete t.modelViewMatrix,delete t.modelNormalViewMatrix)}get highPrecision(){const e=this.contextNode.value;return e.modelViewMatrix===Wd&&e.modelNormalViewMatrix===Hd}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}getOutputBufferType(){return this._outputBufferType}getColorBufferType(){return v('Renderer: ".getColorBufferType()" has been renamed to ".getOutputBufferType()".'),this.getOutputBufferType()}_onDeviceLost(e){let t=`THREE.WebGPURenderer: ${e.api} Device Lost:\n\nMessage: ${e.message}`;e.reason&&(t+=`\nReason: ${e.reason}`),o(t),this._isDeviceLost=!0}_renderBundle(e,t,r){const{bundleGroup:s,camera:i,renderList:n}=e,a=this._currentRenderContext,o=this._bundles.get(s,i),u=this.backend.get(o);void 0===u.renderContexts&&(u.renderContexts=new Set);const l=s.version!==u.version,d=!1===u.renderContexts.has(a)||l;if(u.renderContexts.add(a),d){this.backend.beginBundle(a),(void 0===u.renderObjects||l)&&(u.renderObjects=[]),this._currentRenderBundle=o;const{transparentDoublePass:e,transparent:d,opaque:c}=n;!0===this.opaque&&c.length>0&&this._renderObjects(c,i,t,r),!0===this.transparent&&d.length>0&&this._renderTransparents(d,e,i,t,r),this._currentRenderBundle=null,this.backend.finishBundle(a,o),u.version=s.version}else{const{renderObjects:e}=u;for(let t=0,r=e.length;t<r;t++){const r=e[t];this._nodes.needsRefresh(r)&&(this._nodes.updateBefore(r),this._nodes.updateForRender(r),this._bindings.updateForRender(r),this._nodes.updateAfter(r))}}this.backend.addBundle(a,o)}render(e,t){if(!1===this._initialized)throw new Error('Renderer: .render() called before the backend is initialized. Use "await renderer.init();" before rendering.');this._renderScene(e,t)}get initialized(){return this._initialized}_getFrameBufferTarget(){const{currentToneMapping:e,currentColorSpace:t}=this,r=e!==m,s=t!==p.workingColorSpace;if(!1===r&&!1===s)return null;const{width:i,height:n}=this.getDrawingBufferSize(US),{depth:a,stencil:o}=this;let u=this._frameBufferTarget;null===u&&(u=new se(i,n,{depthBuffer:a,stencilBuffer:o,type:this._outputBufferType,format:Se,colorSpace:p.workingColorSpace,generateMipmaps:!1,minFilter:oe,magFilter:oe,samples:this.samples}),u.isPostProcessingRenderTarget=!0,this._frameBufferTarget=u);const l=this.getOutputRenderTarget();u.depthBuffer=a,u.stencilBuffer=o,null!==l?u.setSize(l.width,l.height,l.depth):u.setSize(i,n,1);const d=this._canvasTarget;return u.viewport.copy(d._viewport),u.scissor.copy(d._scissor),u.viewport.multiplyScalar(d._pixelRatio),u.scissor.multiplyScalar(d._pixelRatio),u.scissorTest=d._scissorTest,u.multiview=null!==l&&l.multiview,u.resolveDepthBuffer=null===l||l.resolveDepthBuffer,u._autoAllocateDepthBuffer=null!==l&&l._autoAllocateDepthBuffer,u}_renderScene(e,t,r=!0){if(!0===this._isDeviceLost)return;const s=r?this._getFrameBufferTarget():null,i=this._nodes.nodeFrame,n=i.renderId,a=this._currentRenderContext,o=this._currentRenderObjectFunction,u=this._handleObjectFunction;this._callDepth++;const l=!0===e.isScene?e:DS,d=this._renderTarget||this._outputRenderTarget,c=this._activeCubeFace,h=this._activeMipmapLevel;let p;null!==s?(p=s,this.setRenderTarget(p)):p=d;const g=this._renderContexts.get(p,this._mrt,this._callDepth);this._currentRenderContext=g,this._currentRenderObjectFunction=this._renderObjectFunction||this.renderObject,this._handleObjectFunction=this._renderObjectDirect,this.info.calls++,this.info.render.calls++,this.info.render.frameCalls++,i.renderId=this.info.calls,this.backend.updateTimeStampUID(g),this.inspector.beginRender(this.backend.getTimestampUID(g),e,t,p);const m=this.coordinateSystem,f=this.xr;if(t.coordinateSystem!==m&&!1===f.isPresenting&&(t.coordinateSystem=m,t.updateProjectionMatrix(),t.isArrayCamera))for(const e of t.cameras)e.coordinateSystem=m,e.updateProjectionMatrix();!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),null===t.parent&&!0===t.matrixWorldAutoUpdate&&t.updateMatrixWorld(),!0===f.enabled&&!0===f.isPresenting&&(!0===f.cameraAutoUpdate&&f.updateCamera(t),t=f.getCamera());const y=this._canvasTarget;let b=y._viewport,x=y._scissor,T=y._pixelRatio;null!==p&&(b=p.viewport,x=p.scissor,T=1),this.getDrawingBufferSize(US),IS.set(0,0,US.width,US.height);const _=void 0===b.minDepth?0:b.minDepth,v=void 0===b.maxDepth?1:b.maxDepth;g.viewportValue.copy(b).multiplyScalar(T).floor(),g.viewportValue.width>>=h,g.viewportValue.height>>=h,g.viewportValue.minDepth=_,g.viewportValue.maxDepth=v,g.viewport=!1===g.viewportValue.equals(IS),g.scissorValue.copy(x).multiplyScalar(T).floor(),g.scissor=y._scissorTest&&!1===g.scissorValue.equals(IS),g.scissorValue.width>>=h,g.scissorValue.height>>=h,g.clippingContext||(g.clippingContext=new fS),g.clippingContext.updateGlobal(l,t),l.onBeforeRender(this,e,t,p);const N=t.isArrayCamera?VS:OS;t.isArrayCamera||(kS.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),N.setFromProjectionMatrix(kS,t.coordinateSystem,t.reversedDepth));const S=this._renderLists.get(e,t);if(S.begin(),this._projectObject(e,t,0,S,g.clippingContext),S.finish(),!0===this.sortObjects&&S.sort(this._opaqueSort,this._transparentSort),null!==p){this._textures.updateRenderTarget(p,h);const e=this._textures.get(p);g.textures=e.textures,g.depthTexture=e.depthTexture,g.width=e.width,g.height=e.height,g.renderTarget=p,g.depth=p.depthBuffer,g.stencil=p.stencilBuffer}else g.textures=null,g.depthTexture=null,g.width=US.width,g.height=US.height,g.depth=this.depth,g.stencil=this.stencil;g.width>>=h,g.height>>=h,g.activeCubeFace=c,g.activeMipmapLevel=h,g.occlusionQueryCount=S.occlusionQueryCount,g.scissorValue.max(GS.set(0,0,0,0)),g.scissorValue.x+g.scissorValue.width>g.width&&(g.scissorValue.width=Math.max(g.width-g.scissorValue.x,0)),g.scissorValue.y+g.scissorValue.height>g.height&&(g.scissorValue.height=Math.max(g.height-g.scissorValue.y,0)),this._background.update(l,S,g),g.camera=t,this.backend.beginRender(g);const{bundles:R,lightsNode:E,transparentDoublePass:A,transparent:w,opaque:C}=S;return R.length>0&&this._renderBundles(R,l,E),!0===this.opaque&&C.length>0&&this._renderObjects(C,t,l,E),!0===this.transparent&&w.length>0&&this._renderTransparents(w,A,t,l,E),this.backend.finishRender(g),i.renderId=n,this._currentRenderContext=a,this._currentRenderObjectFunction=o,this._handleObjectFunction=u,this._callDepth--,null!==s&&(this.setRenderTarget(d,c,h),this._renderOutput(p)),l.onAfterRender(this,e,t,p),this.inspector.finishRender(this.backend.getTimestampUID(g)),g}_setXRLayerSize(e,t){this._canvasTarget._width=e,this._canvasTarget._height=t,this.setViewport(0,0,e,t)}_renderOutput(e){const t=this._quad;this._nodes.hasOutputChange(e.texture)&&(t.material.fragmentNode=this._nodes.getOutputNode(e.texture),t.material.needsUpdate=!0);const r=this.autoClear,s=this.xr.enabled;this.autoClear=!1,this.xr.enabled=!1,this._renderScene(t,t.camera,!1),this.autoClear=r,this.xr.enabled=s}getMaxAnisotropy(){return this.backend.getMaxAnisotropy()}getActiveCubeFace(){return this._activeCubeFace}getActiveMipmapLevel(){return this._activeMipmapLevel}async setAnimationLoop(e){!1===this._initialized&&await this.init(),this._animation.setAnimationLoop(e)}getAnimationLoop(){return this._animation.getAnimationLoop()}async getArrayBufferAsync(e){return await this.backend.getArrayBufferAsync(e)}getContext(){return this.backend.getContext()}getPixelRatio(){return this._canvasTarget.getPixelRatio()}getDrawingBufferSize(e){return this._canvasTarget.getDrawingBufferSize(e)}getSize(e){return this._canvasTarget.getSize(e)}setPixelRatio(e=1){this._canvasTarget.setPixelRatio(e)}setDrawingBufferSize(e,t,r){this.xr&&this.xr.isPresenting||this._canvasTarget.setDrawingBufferSize(e,t,r)}setSize(e,t,r=!0){this.xr&&this.xr.isPresenting||this._canvasTarget.setSize(e,t,r)}setOpaqueSort(e){this._opaqueSort=e}setTransparentSort(e){this._transparentSort=e}getScissor(e){return this._canvasTarget.getScissor(e)}setScissor(e,t,r,s){this._canvasTarget.setScissor(e,t,r,s)}getScissorTest(){return this._canvasTarget.getScissorTest()}setScissorTest(e){this._canvasTarget.setScissorTest(e),this.backend.setScissorTest(e)}getViewport(e){return this._canvasTarget.getViewport(e)}setViewport(e,t,r,s,i=0,n=1){this._canvasTarget.setViewport(e,t,r,s,i,n)}getClearColor(e){return e.copy(this._clearColor)}setClearColor(e,t=1){this._clearColor.set(e),this._clearColor.a=t}getClearAlpha(){return this._clearColor.a}setClearAlpha(e){this._clearColor.a=e}getClearDepth(){return this._clearDepth}setClearDepth(e){this._clearDepth=e}getClearStencil(){return this._clearStencil}setClearStencil(e){this._clearStencil=e}isOccluded(e){const t=this._currentRenderContext;return t&&this.backend.isOccluded(t,e)}clear(e=!0,t=!0,r=!0){if(!1===this._initialized)throw new Error('Renderer: .clear() called before the backend is initialized. Use "await renderer.init();" before before using this method.');const s=this._renderTarget||this._getFrameBufferTarget();let i=null;if(null!==s){this._textures.updateRenderTarget(s);const e=this._textures.get(s);i=this._renderContexts.get(s),i.textures=e.textures,i.depthTexture=e.depthTexture,i.width=e.width,i.height=e.height,i.renderTarget=s,i.depth=s.depthBuffer,i.stencil=s.stencilBuffer;const t=this.backend.getClearColor();i.clearColorValue.r=t.r,i.clearColorValue.g=t.g,i.clearColorValue.b=t.b,i.clearColorValue.a=t.a,i.activeCubeFace=this.getActiveCubeFace(),i.activeMipmapLevel=this.getActiveMipmapLevel()}this.backend.clear(e,t,r,i),null!==s&&null===this._renderTarget&&this._renderOutput(s)}clearColor(){this.clear(!0,!1,!1)}clearDepth(){this.clear(!1,!0,!1)}clearStencil(){this.clear(!1,!1,!0)}async clearAsync(e=!0,t=!0,r=!0){v('Renderer: "clearAsync()" has been deprecated. Use "clear()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.clear(e,t,r)}async clearColorAsync(){v('Renderer: "clearColorAsync()" has been deprecated. Use "clearColor()" and "await renderer.init();" when creating the renderer.'),this.clear(!0,!1,!1)}async clearDepthAsync(){v('Renderer: "clearDepthAsync()" has been deprecated. Use "clearDepth()" and "await renderer.init();" when creating the renderer.'),this.clear(!1,!0,!1)}async clearStencilAsync(){v('Renderer: "clearStencilAsync()" has been deprecated. Use "clearStencil()" and "await renderer.init();" when creating the renderer.'),this.clear(!1,!1,!0)}get needsFrameBufferTarget(){const e=this.currentToneMapping!==m,t=this.currentColorSpace!==p.workingColorSpace;return e||t}get samples(){return this._samples}get currentSamples(){let e=this._samples;return null!==this._renderTarget?e=this._renderTarget.samples:this.needsFrameBufferTarget&&(e=0),e}get currentToneMapping(){return this.isOutputTarget?this.toneMapping:m}get currentColorSpace(){return this.isOutputTarget?this.outputColorSpace:p.workingColorSpace}get isOutputTarget(){return this._renderTarget===this._outputRenderTarget||null===this._renderTarget}dispose(){!0===this._initialized&&(this.info.dispose(),this.backend.dispose(),this._animation.dispose(),this._objects.dispose(),this._geometries.dispose(),this._pipelines.dispose(),this._nodes.dispose(),this._bindings.dispose(),this._renderLists.dispose(),this._renderContexts.dispose(),this._textures.dispose(),null!==this._frameBufferTarget&&this._frameBufferTarget.dispose(),Object.values(this.backend.timestampQueryPool).forEach(e=>{null!==e&&e.dispose()})),this.setRenderTarget(null),this.setAnimationLoop(null)}setRenderTarget(e,t=0,r=0){this._renderTarget=e,this._activeCubeFace=t,this._activeMipmapLevel=r}getRenderTarget(){return this._renderTarget}setOutputRenderTarget(e){this._outputRenderTarget=e}getOutputRenderTarget(){return this._outputRenderTarget}setCanvasTarget(e){this._canvasTarget.removeEventListener("resize",this._onCanvasTargetResize),this._canvasTarget=e,this._canvasTarget.addEventListener("resize",this._onCanvasTargetResize)}getCanvasTarget(){return this._canvasTarget}_resetXRState(){this.backend.setXRTarget(null),this.setOutputRenderTarget(null),this.setRenderTarget(null),this._frameBufferTarget.dispose(),this._frameBufferTarget=null}setRenderObjectFunction(e){this._renderObjectFunction=e}getRenderObjectFunction(){return this._renderObjectFunction}compute(e,t=null){if(!0===this._isDeviceLost)return;if(!1===this._initialized)return d("Renderer: .compute() called before the backend is initialized. Try using .computeAsync() instead."),this.computeAsync(e,t);const r=this._nodes.nodeFrame,s=r.renderId;this.info.calls++,this.info.compute.calls++,this.info.compute.frameCalls++,r.renderId=this.info.calls,this.backend.updateTimeStampUID(e),this.inspector.beginCompute(this.backend.getTimestampUID(e),e);const i=this.backend,n=this._pipelines,a=this._bindings,o=this._nodes,u=Array.isArray(e)?e:[e];if(void 0===u[0]||!0!==u[0].isComputeNode)throw new Error("THREE.Renderer: .compute() expects a ComputeNode.");i.beginCompute(e);for(const r of u){if(!1===n.has(r)){const e=()=>{r.removeEventListener("dispose",e),n.delete(r),a.deleteForCompute(r),o.delete(r)};r.addEventListener("dispose",e);const t=r.onInitFunction;null!==t&&t.call(r,{renderer:this})}o.updateForCompute(r),a.updateForCompute(r);const s=a.getForCompute(r),u=n.getForCompute(r,s);i.compute(e,r,s,u,t)}i.finishCompute(e),r.renderId=s,this.inspector.finishCompute(this.backend.getTimestampUID(e))}async computeAsync(e,t=null){!1===this._initialized&&await this.init(),this.compute(e,t)}async hasFeatureAsync(e){return v('Renderer: "hasFeatureAsync()" has been deprecated. Use "hasFeature()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.hasFeature(e)}async resolveTimestampsAsync(e="render"){return!1===this._initialized&&await this.init(),this.backend.resolveTimestampsAsync(e)}hasFeature(e){if(!1===this._initialized)throw new Error('Renderer: .hasFeature() called before the backend is initialized. Use "await renderer.init();" before before using this method.');return this.backend.hasFeature(e)}hasInitialized(){return this._initialized}async initTextureAsync(e){v('Renderer: "initTextureAsync()" has been deprecated. Use "initTexture()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.initTexture(e)}initTexture(e){if(!1===this._initialized)throw new Error('Renderer: .initTexture() called before the backend is initialized. Use "await renderer.init();" before before using this method.');this._textures.updateTexture(e)}initRenderTarget(e){if(!1===this._initialized)throw new Error('Renderer: .initRenderTarget() called before the backend is initialized. Use "await renderer.init();" before before using this method.');this._textures.updateRenderTarget(e);const t=this._textures.get(e),r=this._renderContexts.get(e);r.textures=t.textures,r.depthTexture=t.depthTexture,r.width=t.width,r.height=t.height,r.renderTarget=e,r.depth=e.depthBuffer,r.stencil=e.stencilBuffer,this.backend.initRenderTarget(r)}copyFramebufferToTexture(e,t=null){if(null!==t)if(t.isVector2)t=GS.set(t.x,t.y,e.image.width,e.image.height).floor();else{if(!t.isVector4)return void o("Renderer.copyFramebufferToTexture: Invalid rectangle.");t=GS.copy(t).floor()}else t=GS.set(0,0,e.image.width,e.image.height);let r,s=this._currentRenderContext;null!==s?r=s.renderTarget:(r=this._renderTarget||this._getFrameBufferTarget(),null!==r&&(this._textures.updateRenderTarget(r),s=this._textures.get(r))),this._textures.updateTexture(e,{renderTarget:r}),this.backend.copyFramebufferToTexture(e,s,t),this._inspector.copyFramebufferToTexture(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){this._textures.updateTexture(e),this._textures.updateTexture(t),this.backend.copyTextureToTexture(e,t,r,s,i,n),this._inspector.copyTextureToTexture(e,t)}async readRenderTargetPixelsAsync(e,t,r,s,i,n=0,a=0){return this.backend.copyTextureToBuffer(e.textures[n],t,r,s,i,a)}_projectObject(e,t,r,s,i){if(!1===e.visible)return;if(e.layers.test(t.layers))if(e.isGroup)r=e.renderOrder,e.isClippingGroup&&e.enabled&&(i=i.getGroupContext(e));else if(e.isLOD)!0===e.autoUpdate&&e.update(t);else if(e.isLight)s.pushLight(e);else if(e.isSprite){const n=t.isArrayCamera?VS:OS;if(!e.frustumCulled||n.intersectsSprite(e,t)){!0===this.sortObjects&&GS.setFromMatrixPosition(e.matrixWorld).applyMatrix4(kS);const{geometry:t,material:n}=e;n.visible&&s.push(e,t,n,r,GS.z,null,i)}}else if(e.isLineLoop)o("Renderer: Objects of type THREE.LineLoop are not supported. Please use THREE.Line or THREE.LineSegments.");else if(e.isMesh||e.isLine||e.isPoints){const n=t.isArrayCamera?VS:OS;if(!e.frustumCulled||n.intersectsObject(e,t)){const{geometry:t,material:n}=e;if(!0===this.sortObjects&&(null===t.boundingSphere&&t.computeBoundingSphere(),GS.copy(t.boundingSphere.center).applyMatrix4(e.matrixWorld).applyMatrix4(kS)),Array.isArray(n)){const a=t.groups;for(let o=0,u=a.length;o<u;o++){const u=a[o],l=n[u.materialIndex];l&&l.visible&&s.push(e,t,l,r,GS.z,u,i)}}else n.visible&&s.push(e,t,n,r,GS.z,null,i)}}if(!0===e.isBundleGroup&&void 0!==this.backend.beginBundle){const r=s;(s=this._renderLists.get(e,t)).begin(),r.pushBundle({bundleGroup:e,camera:t,renderList:s}),s.finish()}const n=e.children;for(let e=0,a=n.length;e<a;e++)this._projectObject(n[e],t,r,s,i)}_renderBundles(e,t,r){for(const s of e)this._renderBundle(s,t,r)}_renderTransparents(e,t,r,s,i){if(t.length>0){for(const{material:e}of t)e.side=M;this._renderObjects(t,r,s,i,"backSide");for(const{material:e}of t)e.side=lt;this._renderObjects(e,r,s,i);for(const{material:e}of t)e.side=B}else this._renderObjects(e,r,s,i)}_renderObjects(e,t,r,s,i=null){for(let n=0,a=e.length;n<a;n++){const{object:a,geometry:o,material:u,group:l,clippingContext:d}=e[n];this._currentRenderObjectFunction(a,r,t,o,u,l,s,d,i)}}_getShadowNodes(e){const t=e.version;let r=this._cacheShadowNodes.get(e);if(void 0===r||r.version!==t){const s=null!==e.map,i=e.colorNode&&e.colorNode.isNode,n=e.castShadowNode&&e.castShadowNode.isNode,a=e.maskShadowNode&&e.maskShadowNode.isNode||e.maskNode&&e.maskNode.isNode;let o=null,u=null,l=null;if(s||i||n||a){let t,r;if(n?(t=e.castShadowNode.rgb,r=e.castShadowNode.a,!0!==this.shadowMap.transmitted&&v("Renderer: `shadowMap.transmitted` needs to be set to `true` when using `material.castShadowNode`.")):(t=vn(0),r=gn(1)),s&&(r=r.mul(Fc("map","texture",e).a)),i&&(r=r.mul(e.colorNode.a)),u=En(t,r),a){const t=e.maskShadowNode||e.maskNode;u=un(([e])=>(t.not().discard(),e))(u)}}e.depthNode&&e.depthNode.isNode&&(l=e.depthNode),e.castShadowPositionNode&&e.castShadowPositionNode.isNode?o=e.castShadowPositionNode:e.positionNode&&e.positionNode.isNode&&(o=e.positionNode),r={version:t,colorNode:u,depthNode:l,positionNode:o},this._cacheShadowNodes.set(e,r)}return r}renderObject(e,t,r,s,i,n,a,o=null,u=null){let l,d,c,h,p=!1;if(e.onBeforeRender(this,t,r,s,i,n),!0===i.allowOverride&&null!==t.overrideMaterial){const e=t.overrideMaterial;if(p=!0,l=e.isNodeMaterial?e.colorNode:null,d=e.isNodeMaterial?e.depthNode:null,c=e.isNodeMaterial?e.positionNode:null,h=t.overrideMaterial.side,i.positionNode&&i.positionNode.isNode&&(e.positionNode=i.positionNode),e.alphaTest=i.alphaTest,e.alphaMap=i.alphaMap,e.transparent=i.transparent||i.transmission>0||i.transmissionNode&&i.transmissionNode.isNode||i.backdropNode&&i.backdropNode.isNode,e.isShadowPassMaterial){const{colorNode:t,depthNode:r,positionNode:s}=this._getShadowNodes(i);this.shadowMap.type===Ye?e.side=null!==i.shadowSide?i.shadowSide:i.side:e.side=null!==i.shadowSide?i.shadowSide:zS[i.side],null!==t&&(e.colorNode=t),null!==r&&(e.depthNode=r),null!==s&&(e.positionNode=s)}i=e}!0===i.transparent&&i.side===B&&!1===i.forceSinglePass?(i.side=M,this._handleObjectFunction(e,i,t,r,a,n,o,"backSide"),i.side=lt,this._handleObjectFunction(e,i,t,r,a,n,o,u),i.side=B):this._handleObjectFunction(e,i,t,r,a,n,o,u),p&&(t.overrideMaterial.colorNode=l,t.overrideMaterial.depthNode=d,t.overrideMaterial.positionNode=c,t.overrideMaterial.side=h),e.onAfterRender(this,t,r,s,i,n)}hasCompatibility(e){return this.backend.hasCompatibility(e)}_renderObjectDirect(e,t,r,s,i,n,a,o){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,a,o);if(u.drawRange=e.geometry.drawRange,u.group=n,null!==this._currentRenderBundle){this.backend.get(this._currentRenderBundle).renderObjects.push(u),u.bundle=this._currentRenderBundle.bundleGroup}const l=this._nodes.needsRefresh(u);l&&(this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u)),this._pipelines.updateForRender(u),this.backend.draw(u,this.info),l&&this._nodes.updateAfter(u)}_createObjectPipeline(e,t,r,s,i,n,a,o){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,a,o);u.drawRange=e.geometry.drawRange,u.group=n,this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u),this._pipelines.getForRender(u,this._compilationPromises),this._nodes.updateAfter(u)}_onCanvasTargetResize(){this._initialized&&this.backend.updateSize()}get compile(){return this.compileAsync}}class WS{constructor(e=""){this.name=e,this.visibility=0}setVisibility(e){this.visibility|=e}getVisibility(){return this.visibility}clone(){return Object.assign(new this.constructor,this)}}class HS extends WS{constructor(e,t=null){super(e),this.isBuffer=!0,this.bytesPerElement=Float32Array.BYTES_PER_ELEMENT,this._buffer=t,this._updateRanges=[]}get updateRanges(){return this._updateRanges}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}get byteLength(){return(e=this._buffer.byteLength)+(vy-e%vy)%vy;var e}get buffer(){return this._buffer}update(){return!0}}class qS extends HS{constructor(e,t=null){super(e,t),this.isUniformBuffer=!0}}let jS=0;class XS extends qS{constructor(e,t){super("UniformBuffer_"+jS++,e?e.value:null),this.nodeUniform=e,this.groupNode=t,this.isNodeUniformBuffer=!0}set updateRanges(e){this.nodeUniform.updateRanges=e}get updateRanges(){return this.nodeUniform.updateRanges}addUpdateRange(e,t){this.nodeUniform.addUpdateRange(e,t)}clearUpdateRanges(){this.nodeUniform.clearUpdateRanges()}get buffer(){return this.nodeUniform.value}}class KS extends qS{constructor(e){super(e),this.isUniformsGroup=!0,this._values=null,this.uniforms=[],this._updateRangeCache=new Map}addUniformUpdateRange(e){const t=e.index;if(!0!==this._updateRangeCache.has(t)){const r=this.updateRanges,s={start:e.offset,count:e.itemSize};r.push(s),this._updateRangeCache.set(t,s)}}clearUpdateRanges(){this._updateRangeCache.clear(),super.clearUpdateRanges()}addUniform(e){return this.uniforms.push(e),this}removeUniform(e){const t=this.uniforms.indexOf(e);return-1!==t&&this.uniforms.splice(t,1),this}get values(){return null===this._values&&(this._values=Array.from(this.buffer)),this._values}get buffer(){let e=this._buffer;if(null===e){const t=this.byteLength;e=new Float32Array(new ArrayBuffer(t)),this._buffer=e}return e}get byteLength(){const e=this.bytesPerElement;let t=0;for(let r=0,s=this.uniforms.length;r<s;r++){const s=this.uniforms[r],i=s.boundary,n=s.itemSize*e,a=t%vy,o=a%i,u=a+o;t+=o,0!==u&&vy-u<n&&(t+=vy-u),s.offset=t/e,s.index=r,t+=n}return Math.ceil(t/vy)*vy}update(){let e=!1;for(const t of this.uniforms)!0===this.updateByType(t)&&(e=!0);return e}updateByType(e){return e.isNumberUniform?this.updateNumber(e):e.isVector2Uniform?this.updateVector2(e):e.isVector3Uniform?this.updateVector3(e):e.isVector4Uniform?this.updateVector4(e):e.isColorUniform?this.updateColor(e):e.isMatrix3Uniform?this.updateMatrix3(e):e.isMatrix4Uniform?this.updateMatrix4(e):void o("WebGPUUniformsGroup: Unsupported uniform type.",e)}updateNumber(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i]!==s){this._getBufferForType(n)[i]=r[i]=s,t=!0,this.addUniformUpdateRange(e)}return t}updateVector2(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y){const a=this._getBufferForType(n);a[i+0]=r[i+0]=s.x,a[i+1]=r[i+1]=s.y,t=!0,this.addUniformUpdateRange(e)}return t}updateVector3(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z){const a=this._getBufferForType(n);a[i+0]=r[i+0]=s.x,a[i+1]=r[i+1]=s.y,a[i+2]=r[i+2]=s.z,t=!0,this.addUniformUpdateRange(e)}return t}updateVector4(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z||r[i+4]!==s.w){const a=this._getBufferForType(n);a[i+0]=r[i+0]=s.x,a[i+1]=r[i+1]=s.y,a[i+2]=r[i+2]=s.z,a[i+3]=r[i+3]=s.w,t=!0,this.addUniformUpdateRange(e)}return t}updateColor(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset;if(r[i+0]!==s.r||r[i+1]!==s.g||r[i+2]!==s.b){const n=this.buffer;n[i+0]=r[i+0]=s.r,n[i+1]=r[i+1]=s.g,n[i+2]=r[i+2]=s.b,t=!0,this.addUniformUpdateRange(e)}return t}updateMatrix3(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(r[i+0]!==s[0]||r[i+1]!==s[1]||r[i+2]!==s[2]||r[i+4]!==s[3]||r[i+5]!==s[4]||r[i+6]!==s[5]||r[i+8]!==s[6]||r[i+9]!==s[7]||r[i+10]!==s[8]){const n=this.buffer;n[i+0]=r[i+0]=s[0],n[i+1]=r[i+1]=s[1],n[i+2]=r[i+2]=s[2],n[i+4]=r[i+4]=s[3],n[i+5]=r[i+5]=s[4],n[i+6]=r[i+6]=s[5],n[i+8]=r[i+8]=s[6],n[i+9]=r[i+9]=s[7],n[i+10]=r[i+10]=s[8],t=!0,this.addUniformUpdateRange(e)}return t}updateMatrix4(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(!1===function(e,t,r){for(let s=0,i=t.length;s<i;s++)if(e[r+s]!==t[s])return!1;return!0}(r,s,i)){this.buffer.set(s,i),function(e,t,r){for(let s=0,i=t.length;s<i;s++)e[r+s]=t[s]}(r,s,i),t=!0,this.addUniformUpdateRange(e)}return t}_getBufferForType(e){return"int"===e||"ivec2"===e||"ivec3"===e||"ivec4"===e?new Int32Array(this.buffer.buffer):"uint"===e||"uvec2"===e||"uvec3"===e||"uvec4"===e?new Uint32Array(this.buffer.buffer):this.buffer}}let YS=0;class QS extends KS{constructor(e,t){super(e),this.id=YS++,this.groupNode=t,this.isNodeUniformsGroup=!0}}class ZS extends WS{constructor(e,t){super(e),this._texture=null,this._onTextureDispose=()=>{this.generation=null,this.version=0},this.texture=t,this.version=t?t.version:0,this.generation=null,this.samplerKey="",this.isSampler=!0}set texture(e){this._texture!==e&&(this._texture&&this._texture.removeEventListener("dispose",this._onTextureDispose),this._texture=e,this.generation=null,this.version=0,this._texture&&this._texture.addEventListener("dispose",this._onTextureDispose))}get texture(){return this._texture}update(){const{texture:e,version:t}=this;return t!==e.version&&(this.version=e.version,!0)}clone(){const e=super.clone();return e._texture=null,e._onTextureDispose=()=>{e.generation=null,e.version=0},e.texture=this.texture,e}}let JS=0;class eR extends ZS{constructor(e,t){super(e,t),this.id=JS++,this.store=!1,this.mipLevel=0,this.isSampledTexture=!0}}class tR extends eR{constructor(e,t,r,s=null){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r,this.access=s}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update()}}class rR extends tR{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledCubeTexture=!0}}class sR extends tR{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledTexture3D=!0}}const iR={bitcast_int_uint:new lT("uint tsl_bitcast_int_to_uint ( int x ) { return floatBitsToUint( intBitsToFloat ( x ) ); }"),bitcast_uint_int:new lT("uint tsl_bitcast_uint_to_int ( uint x ) { return floatBitsToInt( uintBitsToFloat ( x ) ); }")},nR={textureDimensions:"textureSize",equals:"equal",bitcast_float_int:"floatBitsToInt",bitcast_int_float:"intBitsToFloat",bitcast_uint_float:"uintBitsToFloat",bitcast_float_uint:"floatBitsToUint",bitcast_uint_int:"tsl_bitcast_uint_to_int",bitcast_int_uint:"tsl_bitcast_int_to_uint",floatpack_snorm_2x16:"packSnorm2x16",floatpack_unorm_2x16:"packUnorm2x16",floatpack_float16_2x16:"packHalf2x16",floatunpack_snorm_2x16:"unpackSnorm2x16",floatunpack_unorm_2x16:"unpackUnorm2x16",floatunpack_float16_2x16:"unpackHalf2x16"},aR={low:"lowp",medium:"mediump",high:"highp"},oR={swizzleAssign:!0,storageBuffer:!1},uR={perspective:"smooth",linear:"noperspective"},lR={centroid:"centroid"},dR="\nprecision highp float;\nprecision highp int;\nprecision highp sampler2D;\nprecision highp sampler3D;\nprecision highp samplerCube;\nprecision highp sampler2DArray;\n\nprecision highp usampler2D;\nprecision highp usampler3D;\nprecision highp usamplerCube;\nprecision highp usampler2DArray;\n\nprecision highp isampler2D;\nprecision highp isampler3D;\nprecision highp isamplerCube;\nprecision highp isampler2DArray;\n\nprecision highp sampler2DShadow;\nprecision highp sampler2DArrayShadow;\nprecision highp samplerCubeShadow;\n";class cR extends $N{constructor(e,t){super(e,t,new dS),this.uniformGroups={},this.transforms=[],this.extensions={},this.builtins={vertex:[],fragment:[],compute:[]}}needsToWorkingColorSpace(e){return!0===e.isVideoTexture&&e.colorSpace!==T}_include(e){const t=iR[e];return t.build(this),this.addInclude(t),t}getMethod(e){return void 0!==iR[e]&&this._include(e),nR[e]||e}getBitcastMethod(e,t){return this.getMethod(`bitcast_${t}_${e}`)}getFloatPackingMethod(e){return this.getMethod(`floatpack_${e}_2x16`)}getFloatUnpackingMethod(e){return this.getMethod(`floatunpack_${e}_2x16`)}getTernary(e,t,r){return`${e} ? ${t} : ${r}`}getOutputStructName(){return""}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(this.getType(e.type)+" "+e.name);return`${this.getType(t.type)} ${t.name}( ${s.join(", ")} ) {\n\n\t${r.vars}\n\n${r.code}\n\treturn ${r.result};\n\n}`}setupPBO(e){const t=e.value;if(void 0===t.pbo){const e=t.array,r=t.count*t.itemSize,{itemSize:s}=t,i=t.array.constructor.name.toLowerCase().includes("int");let n=i?bt:xt;2===s?n=i?Nt:G:3===s?n=i?St:Rt:4===s&&(n=i?Et:Se);const a={Float32Array:j,Uint8Array:Ve,Uint16Array:vt,Uint32Array:S,Int8Array:_t,Int16Array:Tt,Int32Array:R,Uint8ClampedArray:Ve},o=Math.pow(2,Math.ceil(Math.log2(Math.sqrt(r/s))));let u=Math.ceil(r/s/o);o*u*s<r&&u++;const l=o*u*s,d=new e.constructor(l);d.set(e,0),t.array=d;const c=new ye(t.array,o,u,n,a[t.array.constructor.name]||j);c.needsUpdate=!0,c.isPBOTexture=!0;const h=new Fl(c,null,null);h.setPrecision("high"),t.pboNode=h,t.pbo=h.value,this.getUniformFromNode(t.pboNode,"texture",this.shaderStage,this.context.nodeName)}}getPropertyName(e,t=this.shaderStage){return e.isNodeUniform&&!0!==e.node.isTextureNode&&!0!==e.node.isBufferNode?e.name:super.getPropertyName(e,t)}generatePBO(e){const{node:t,indexNode:r}=e,s=t.value;if(this.renderer.backend.has(s)){this.renderer.backend.get(s).pbo=s.pbo}const i=this.getUniformFromNode(s.pboNode,"texture",this.shaderStage,this.context.nodeName),n=this.getPropertyName(i);this.increaseUsage(r);const a=r.build(this,"uint"),o=this.getDataFromNode(e);let u=o.propertyName;if(void 0===u){const r=this.getVarFromNode(e);u=this.getPropertyName(r);const i=this.getDataFromNode(t);let l=i.propertySizeName;void 0===l&&(l=u+"Size",this.getVarFromNode(t,l,"uint"),this.addLineFlowCode(`${l} = uint( textureSize( ${n}, 0 ).x )`,e),i.propertySizeName=l);const{itemSize:d}=s,c="."+ni.join("").slice(0,d),h=`ivec2(${a} % ${l}, ${a} / ${l})`,p=this.generateTextureLoad(null,n,h,"0",null,null);let g="vec4";s.pbo.type===S?g="uvec4":s.pbo.type===R&&(g="ivec4"),this.addLineFlowCode(`${u} = ${g}(${p})${c}`,e),o.propertyName=u}return u}generateTextureLoad(e,t,r,s,i,n){let a;return null===s&&(s="0"),a=i?n?`texelFetchOffset( ${t}, ivec3( ${r}, ${i} ), ${s}, ${n} )`:`texelFetch( ${t}, ivec3( ${r}, ${i} ), ${s} )`:n?`texelFetchOffset( ${t}, ${r}, ${s}, ${n} )`:`texelFetch( ${t}, ${r}, ${s} )`,null!==e&&e.isDepthTexture&&(a+=".x"),a}generateTexture(e,t,r,s,i){return s&&(r=`vec3( ${r}, ${s} )`),e.isDepthTexture?i?`textureOffset( ${t}, ${r}, ${i} ).x`:`texture( ${t}, ${r} ).x`:i?`textureOffset( ${t}, ${r}, ${i} )`:`texture( ${t}, ${r} )`}generateTextureLevel(e,t,r,s,i){return i?`textureLodOffset( ${t}, ${r}, ${s}, ${i} )`:`textureLod( ${t}, ${r}, ${s} )`}generateTextureBias(e,t,r,s,i){return i?`textureOffset( ${t}, ${r}, ${i}, ${s} )`:`texture( ${t}, ${r}, ${s} )`}generateTextureGrad(e,t,r,s,i){return i?`textureGradOffset( ${t}, ${r}, ${s[0]}, ${s[1]}, ${i} )`:`textureGrad( ${t}, ${r}, ${s[0]}, ${s[1]} )`}generateTextureCompare(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return e.isCubeTexture?`texture( ${t}, vec4( ${r}, ${s} ) )`:i?n?`textureOffset( ${t}, vec4( ${r}, ${i}, ${s} ), ${n} )`:`texture( ${t}, vec4( ${r}, ${i}, ${s} ) )`:n?`textureOffset( ${t}, vec3( ${r}, ${s} ), ${n} )`:`texture( ${t}, vec3( ${r}, ${s} ) )`;o(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${a} shader.`)}getVars(e){const t=[],r=this.vars[e];if(void 0!==r)for(const e of r)t.push(`${this.getVar(e.type,e.name,e.count)};`);return t.join("\n\t")}getUniforms(e){const t=this.uniforms[e],r=[],s={};for(const e of t){let t=null,i=!1;if("texture"===e.type||"texture3D"===e.type){const r=e.node.value;let s="";!0!==r.isDataTexture&&!0!==r.isData3DTexture||(r.type===S?s="u":r.type===R&&(s="i")),t="texture3D"===e.type&&!1===r.isArrayTexture?`${s}sampler3D ${e.name};`:r.compareFunction?!0===r.isArrayTexture?`sampler2DArrayShadow ${e.name};`:`sampler2DShadow ${e.name};`:!0===r.isArrayTexture||!0===r.isDataArrayTexture||!0===r.isCompressedArrayTexture?`${s}sampler2DArray ${e.name};`:`${s}sampler2D ${e.name};`}else if("cubeTexture"===e.type)t=`samplerCube ${e.name};`;else if("cubeDepthTexture"===e.type){t=e.node.value.compareFunction?`samplerCubeShadow ${e.name};`:`samplerCube ${e.name};`}else if("buffer"===e.type){const r=e.node,s=this.getType(r.bufferType),i=r.bufferCount,n=i>0?i:"";t=`${r.name} {\n\t${s} ${e.name}[${n}];\n};\n`}else{const t=e.groupNode.name;if(void 0===s[t]){const e=this.uniformGroups[t];if(void 0!==e){const r=[];for(const t of e.uniforms){const e=t.getType(),s=this.getVectorType(e),i=t.nodeUniform.node.precision;let n=`${s} ${t.name};`;null!==i&&(n=aR[i]+" "+n),r.push("\t"+n)}s[t]=r}}i=!0}if(!i){const s=e.node.precision;null!==s&&(t=aR[s]+" "+t),t="uniform "+t,r.push(t)}}let i="";for(const e in s){const t=s[e];i+=this._getGLSLUniformStruct(e,t.join("\n"))+"\n"}return i+=r.join("\n"),i}getTypeFromAttribute(e){let t=super.getTypeFromAttribute(e);if(/^[iu]/.test(t)&&e.gpuType!==R){let r=e;e.isInterleavedBufferAttribute&&(r=e.data);const s=r.array;!1==(s instanceof Uint32Array||s instanceof Int32Array)&&(t=t.slice(1))}return t}getAttributes(e){let t="";if("vertex"===e||"compute"===e){const e=this.getAttributesArray();let r=0;for(const s of e)t+=`layout( location = ${r++} ) in ${s.type} ${s.name};\n`}return t}getStructMembers(e){const t=[];for(const r of e.members)t.push(`\t${r.type} ${r.name};`);return t.join("\n")}getStructs(e){const t=[],r=this.structs[e],s=[];for(const e of r)if(e.output)for(const t of e.members)s.push(`layout( location = ${t.index} ) out ${t.type} ${t.name};`);else{let r="struct "+e.name+" {\n";r+=this.getStructMembers(e),r+="\n};\n",t.push(r)}return 0===s.length&&s.push("layout( location = 0 ) out vec4 fragColor;"),"\n"+s.join("\n")+"\n\n"+t.join("\n")}getVaryings(e){let t="";const r=this.varyings;if("vertex"===e||"compute"===e)for(const s of r){"compute"===e&&(s.needsInterpolation=!0);const r=this.getType(s.type);if(s.needsInterpolation)if(s.interpolationType){t+=`${uR[s.interpolationType]||s.interpolationType} ${lR[s.interpolationSampling]||""} out ${r} ${s.name};\n`}else{t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}out ${r} ${s.name};\n`}else t+=`${r} ${s.name};\n`}else if("fragment"===e)for(const e of r)if(e.needsInterpolation){const r=this.getType(e.type);if(e.interpolationType){t+=`${uR[e.interpolationType]||e.interpolationType} ${lR[e.interpolationSampling]||""} in ${r} ${e.name};\n`}else{t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}in ${r} ${e.name};\n`}}for(const r of this.builtins[e])t+=`${r};\n`;return t}getVertexIndex(){return"uint( gl_VertexID )"}getInstanceIndex(){return"uint( gl_InstanceID )"}getInvocationLocalIndex(){return`uint( gl_InstanceID ) % ${this.object.workgroupSize.reduce((e,t)=>e*t,1)}u`}getSubgroupSize(){o("GLSLNodeBuilder: WebGLBackend does not support the subgroupSize node")}getInvocationSubgroupIndex(){o("GLSLNodeBuilder: WebGLBackend does not support the invocationSubgroupIndex node")}getSubgroupIndex(){o("GLSLNodeBuilder: WebGLBackend does not support the subgroupIndex node")}getDrawIndex(){return this.renderer.backend.extensions.has("WEBGL_multi_draw")?"uint( gl_DrawID )":null}getFrontFacing(){return"gl_FrontFacing"}getFragCoord(){return"gl_FragCoord.xy"}getFragDepth(){return"gl_FragDepth"}enableExtension(e,t,r=this.shaderStage){const s=this.extensions[r]||(this.extensions[r]=new Map);!1===s.has(e)&&s.set(e,{name:e,behavior:t})}getExtensions(e){const t=[];if("vertex"===e){const t=this.renderer.backend.extensions;this.object.isBatchedMesh&&t.has("WEBGL_multi_draw")&&this.enableExtension("GL_ANGLE_multi_draw","require",e)}const r=this.extensions[e];if(void 0!==r)for(const{name:e,behavior:s}of r.values())t.push(`#extension ${e} : ${s}`);return t.join("\n")}getClipDistance(){return"gl_ClipDistance"}isAvailable(e){let t=oR[e];if(void 0===t){let r;switch(t=!1,e){case"float32Filterable":r="OES_texture_float_linear";break;case"clipDistance":r="WEBGL_clip_cull_distance"}if(void 0!==r){const e=this.renderer.backend.extensions;e.has(r)&&(e.get(r),t=!0)}oR[e]=t}return t}isFlipY(){return!0}getUniformBufferLimit(){const e=this.renderer.backend.gl;return e.getParameter(e.MAX_UNIFORM_BLOCK_SIZE)}enableHardwareClipping(e){this.enableExtension("GL_ANGLE_clip_cull_distance","require"),this.builtins.vertex.push(`out float gl_ClipDistance[ ${e} ]`)}enableMultiview(){this.enableExtension("GL_OVR_multiview2","require","fragment"),this.enableExtension("GL_OVR_multiview2","require","vertex"),this.builtins.vertex.push("layout(num_views = 2) in")}registerTransform(e,t){this.transforms.push({varyingName:e,attributeNode:t})}getTransforms(){const e=this.transforms;let t="";for(let r=0;r<e.length;r++){const s=e[r],i=this.getPropertyName(s.attributeNode);i&&(t+=`${s.varyingName} = ${i};\n\t`)}return t}_getGLSLUniformStruct(e,t){return`\nlayout( std140 ) uniform ${e} {\n${t}\n};`}_getGLSLVertexCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// extensions\n${e.extensions}\n\n// precision\n${dR}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// attributes\n${e.attributes}\n\n// codes\n${e.codes}\n\nvoid main() {\n\n\t// vars\n\t${e.vars}\n\n\t// transforms\n\t${e.transforms}\n\n\t// flow\n\t${e.flow}\n\n\tgl_PointSize = 1.0;\n\n}\n`}_getGLSLFragmentCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// extensions\n${e.extensions}\n\n// precision\n${dR}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// codes\n${e.codes}\n\nvoid main() {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){let r="// code\n\n";r+=this.flowCode[t];const s=this.flowNodes[t],i=s[s.length-1];for(const e of s){const s=this.getFlowData(e),n=e.name;n&&(r.length>0&&(r+="\n"),r+=`\t// flow -> ${n}\n\t`),r+=`${s.code}\n\t`,e===i&&"compute"!==t&&(r+="// result\n\t","vertex"===t?(r+="gl_Position = ",r+=`${s.result};`):"fragment"===t&&(e.outputNode.isOutputStructNode||(r+="fragColor = ",r+=`${s.result};`)))}const n=e[t];n.extensions=this.getExtensions(t),n.uniforms=this.getUniforms(t),n.attributes=this.getAttributes(t),n.varyings=this.getVaryings(t),n.vars=this.getVars(t),n.structs=this.getStructs(t),n.codes=this.getCodes(t),n.transforms=this.getTransforms(t),n.flow=r}null!==this.material?(this.vertexShader=this._getGLSLVertexCode(e.vertex),this.fragmentShader=this._getGLSLFragmentCode(e.fragment)):this.computeShader=this._getGLSLVertexCode(e.compute)}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);let a=n.uniformGPU;if(void 0===a){const s=e.groupNode,o=s.name,u=this.getBindGroupArray(o,r);if("texture"===t)a=new tR(i.name,i.node,s),u.push(a);else if("cubeTexture"===t||"cubeDepthTexture"===t)a=new rR(i.name,i.node,s),u.push(a);else if("texture3D"===t)a=new sR(i.name,i.node,s),u.push(a);else if("buffer"===t){i.name=`buffer${e.id}`;const t=this.getSharedDataFromNode(e);let r=t.buffer;void 0===r&&(e.name=`NodeBuffer_${e.id}`,r=new XS(e,s),r.name=e.name,t.buffer=r),u.push(r),a=r}else{let e=this.uniformGroups[o];void 0===e?(e=new QS(o,s),this.uniformGroups[o]=e,u.push(e)):-1===u.indexOf(e)&&u.push(e),a=this.getNodeUniform(i,t);const r=a.name;e.uniforms.some(e=>e.name===r)||e.addUniform(a)}n.uniformGPU=a}return i}}let hR=null,pR=null;class gR{constructor(e={}){this.parameters=Object.assign({},e),this.data=new WeakMap,this.renderer=null,this.domElement=null,this.timestampQueryPool={[At.RENDER]:null,[At.COMPUTE]:null},this.trackTimestamp=!0===e.trackTimestamp}async init(e){this.renderer=e}get coordinateSystem(){}beginRender(){}finishRender(){}beginCompute(){}finishCompute(){}draw(){}compute(){}createProgram(){}destroyProgram(){}createBindings(){}updateBindings(){}updateBinding(){}createRenderPipeline(){}createComputePipeline(){}needsRenderUpdate(){}getRenderCacheKey(){}createNodeBuilder(){}updateSampler(){}createDefaultTexture(){}createTexture(){}updateTexture(){}generateMipmaps(){}destroyTexture(){}async copyTextureToBuffer(){}copyTextureToTexture(){}copyFramebufferToTexture(){}createAttribute(){}createIndexAttribute(){}createStorageAttribute(){}updateAttribute(){}destroyAttribute(){}getContext(){}updateSize(){}updateViewport(){}updateTimeStampUID(e){const t=this.get(e),r=this.renderer.info.frame;let s;s=!0===e.isComputeNode?"c:"+this.renderer.info.compute.frameCalls:"r:"+this.renderer.info.render.frameCalls,t.timestampUID=s+":"+e.id+":f"+r}getTimestampUID(e){return this.get(e).timestampUID}getTimestampFrames(e){const t=this.timestampQueryPool[e];return t?t.getTimestampFrames():[]}_getQueryPool(e){const t=e.startsWith("c:")?At.COMPUTE:At.RENDER;return this.timestampQueryPool[t]}getTimestamp(e){return this._getQueryPool(e).getTimestamp(e)}hasTimestamp(e){return this._getQueryPool(e).hasTimestamp(e)}isOccluded(){}async resolveTimestampsAsync(e="render"){if(!this.trackTimestamp)return void v("WebGPURenderer: Timestamp tracking is disabled.");const t=this.timestampQueryPool[e];if(!t)return;const r=await t.resolveQueriesAsync();return this.renderer.info[e].timestamp=r,r}async getArrayBufferAsync(){}async hasFeatureAsync(){}hasFeature(){}getMaxAnisotropy(){}getDrawingBufferSize(){return hR=hR||new t,this.renderer.getDrawingBufferSize(hR)}setScissorTest(){}getClearColor(){const e=this.renderer;return pR=pR||new Xy,e.getClearColor(pR),pR.getRGB(pR),pR}getDomElement(){let e=this.domElement;return null===e&&(e=void 0!==this.parameters.canvas?this.parameters.canvas:wt(),"setAttribute"in e&&e.setAttribute("data-engine",`three.js r${at} webgpu`),this.domElement=e),e}hasCompatibility(){return!1}initRenderTarget(){}set(e,t){this.data.set(e,t)}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}has(e){return this.data.has(e)}delete(e){this.data.delete(e)}deleteBindGroupData(){}dispose(){}}let mR,fR,yR=0;class bR{constructor(e,t){this.buffers=[e.bufferGPU,t],this.type=e.type,this.bufferType=e.bufferType,this.pbo=e.pbo,this.byteLength=e.byteLength,this.bytesPerElement=e.BYTES_PER_ELEMENT,this.version=e.version,this.isInteger=e.isInteger,this.activeBufferIndex=0,this.baseId=e.id}get id(){return`${this.baseId}|${this.activeBufferIndex}`}get bufferGPU(){return this.buffers[this.activeBufferIndex]}get transformBuffer(){return this.buffers[1^this.activeBufferIndex]}switchBuffers(){this.activeBufferIndex^=1}}class xR{constructor(e){this.backend=e}createAttribute(e,t){const r=this.backend,{gl:s}=r,i=e.array,n=e.usage||s.STATIC_DRAW,a=e.isInterleavedBufferAttribute?e.data:e,o=r.get(a);let u,l=o.bufferGPU;if(void 0===l&&(l=this._createBuffer(s,t,i,n),o.bufferGPU=l,o.bufferType=t,o.version=a.version),i instanceof Float32Array)u=s.FLOAT;else if("undefined"!=typeof Float16Array&&i instanceof Float16Array)u=s.HALF_FLOAT;else if(i instanceof Uint16Array)u=e.isFloat16BufferAttribute?s.HALF_FLOAT:s.UNSIGNED_SHORT;else if(i instanceof Int16Array)u=s.SHORT;else if(i instanceof Uint32Array)u=s.UNSIGNED_INT;else if(i instanceof Int32Array)u=s.INT;else if(i instanceof Int8Array)u=s.BYTE;else if(i instanceof Uint8Array)u=s.UNSIGNED_BYTE;else{if(!(i instanceof Uint8ClampedArray))throw new Error("THREE.WebGLBackend: Unsupported buffer data format: "+i);u=s.UNSIGNED_BYTE}let d={bufferGPU:l,bufferType:t,type:u,byteLength:i.byteLength,bytesPerElement:i.BYTES_PER_ELEMENT,version:e.version,pbo:e.pbo,isInteger:u===s.INT||u===s.UNSIGNED_INT||e.gpuType===R,id:yR++};if(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute){const e=this._createBuffer(s,t,i,n);d=new bR(d,e)}r.set(e,d)}updateAttribute(e){const t=this.backend,{gl:r}=t,s=e.array,i=e.isInterleavedBufferAttribute?e.data:e,n=t.get(i),a=n.bufferType,o=e.isInterleavedBufferAttribute?e.data.updateRanges:e.updateRanges;if(r.bindBuffer(a,n.bufferGPU),0===o.length)r.bufferSubData(a,0,s);else{for(let e=0,t=o.length;e<t;e++){const t=o[e];r.bufferSubData(a,t.start*s.BYTES_PER_ELEMENT,s,t.start,t.count)}i.clearUpdateRanges()}r.bindBuffer(a,null),n.version=i.version}destroyAttribute(e){const t=this.backend,{gl:r}=t;e.isInterleavedBufferAttribute&&t.delete(e.data);const s=t.get(e);r.deleteBuffer(s.bufferGPU),t.delete(e)}async getArrayBufferAsync(e){const t=this.backend,{gl:r}=t,s=e.isInterleavedBufferAttribute?e.data:e,{bufferGPU:i}=t.get(s),n=e.array,a=n.byteLength;r.bindBuffer(r.COPY_READ_BUFFER,i);const o=r.createBuffer();r.bindBuffer(r.COPY_WRITE_BUFFER,o),r.bufferData(r.COPY_WRITE_BUFFER,a,r.STREAM_READ),r.copyBufferSubData(r.COPY_READ_BUFFER,r.COPY_WRITE_BUFFER,0,0,a),await t.utils._clientWaitAsync();const u=new e.array.constructor(n.length);return r.bindBuffer(r.COPY_WRITE_BUFFER,o),r.getBufferSubData(r.COPY_WRITE_BUFFER,0,u),r.deleteBuffer(o),r.bindBuffer(r.COPY_READ_BUFFER,null),r.bindBuffer(r.COPY_WRITE_BUFFER,null),u.buffer}_createBuffer(e,t,r,s){const i=e.createBuffer();return e.bindBuffer(t,i),e.bufferData(t,r,s),e.bindBuffer(t,null),i}}class TR{constructor(e){this.backend=e,this.gl=this.backend.gl,this.enabled={},this.currentFlipSided=null,this.currentCullFace=null,this.currentProgram=null,this.currentBlendingEnabled=!1,this.currentBlending=null,this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentPremultipledAlpha=null,this.currentPolygonOffsetFactor=null,this.currentPolygonOffsetUnits=null,this.currentColorMask=null,this.currentDepthFunc=null,this.currentDepthMask=null,this.currentStencilFunc=null,this.currentStencilRef=null,this.currentStencilFuncMask=null,this.currentStencilFail=null,this.currentStencilZFail=null,this.currentStencilZPass=null,this.currentStencilMask=null,this.currentLineWidth=null,this.currentClippingPlanes=0,this.currentVAO=null,this.currentIndex=null,this.currentBoundFramebuffers={},this.currentDrawbuffers=new WeakMap,this.maxTextures=this.gl.getParameter(this.gl.MAX_TEXTURE_IMAGE_UNITS),this.currentTextureSlot=null,this.currentBoundTextures={},this.currentBoundBufferBases={},this._init()}_init(){const e=this.gl;mR={[$e]:e.FUNC_ADD,[Mt]:e.FUNC_SUBTRACT,[Ct]:e.FUNC_REVERSE_SUBTRACT},fR={[ct]:e.ZERO,[Ot]:e.ONE,[It]:e.SRC_COLOR,[Ge]:e.SRC_ALPHA,[Ut]:e.SRC_ALPHA_SATURATE,[Dt]:e.DST_COLOR,[Pt]:e.DST_ALPHA,[Lt]:e.ONE_MINUS_SRC_COLOR,[ze]:e.ONE_MINUS_SRC_ALPHA,[Ft]:e.ONE_MINUS_DST_COLOR,[Bt]:e.ONE_MINUS_DST_ALPHA};const t=e.getParameter(e.SCISSOR_BOX),r=e.getParameter(e.VIEWPORT);this.currentScissor=(new s).fromArray(t),this.currentViewport=(new s).fromArray(r),this._tempVec4=new s}enable(e){const{enabled:t}=this;!0!==t[e]&&(this.gl.enable(e),t[e]=!0)}disable(e){const{enabled:t}=this;!1!==t[e]&&(this.gl.disable(e),t[e]=!1)}setFlipSided(e){if(this.currentFlipSided!==e){const{gl:t}=this;e?t.frontFace(t.CW):t.frontFace(t.CCW),this.currentFlipSided=e}}setCullFace(e){const{gl:t}=this;e!==Vt?(this.enable(t.CULL_FACE),e!==this.currentCullFace&&(e===kt?t.cullFace(t.BACK):e===Gt?t.cullFace(t.FRONT):t.cullFace(t.FRONT_AND_BACK))):this.disable(t.CULL_FACE),this.currentCullFace=e}setLineWidth(e){const{currentLineWidth:t,gl:r}=this;e!==t&&(r.lineWidth(e),this.currentLineWidth=e)}setMRTBlending(e,t,r){const s=this.gl,i=this.backend.drawBuffersIndexedExt;if(i)for(let n=0;n<e.length;n++){const a=e[n];let o=null;if(null!==t){const e=t.getBlendMode(a.name);e.blending===We?o=r:e.blending!==ee&&(o=e)}else o=r;null!==o?this._setMRTBlendingIndex(n,o):i.blendFuncSeparateiOES(n,s.ONE,s.ZERO,s.ONE,s.ZERO)}}_setMRTBlendingIndex(e,t){const{gl:r}=this,s=this.backend.drawBuffersIndexedExt,i=t.blending,n=t.blendSrc,a=t.blendDst,o=t.blendEquation,u=t.premultipliedAlpha;if(i===dt){const r=null!==t.blendSrcAlpha?t.blendSrcAlpha:n,i=null!==t.blendDstAlpha?t.blendDstAlpha:a,u=null!==t.blendEquationAlpha?t.blendEquationAlpha:o;s.blendEquationSeparateiOES(e,mR[o],mR[u]),s.blendFuncSeparateiOES(e,fR[n],fR[a],fR[r],fR[i])}else if(s.blendEquationSeparateiOES(e,r.FUNC_ADD,r.FUNC_ADD),u)switch(i){case ke:s.blendFuncSeparateiOES(e,r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA);break;case Wt:s.blendFuncSeparateiOES(e,r.ONE,r.ONE,r.ONE,r.ONE);break;case $t:s.blendFuncSeparateiOES(e,r.ZERO,r.ONE_MINUS_SRC_COLOR,r.ZERO,r.ONE);break;case zt:s.blendFuncSeparateiOES(e,r.DST_COLOR,r.ONE_MINUS_SRC_ALPHA,r.ZERO,r.ONE);break;default:s.blendFuncSeparateiOES(e,r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}else switch(i){case ke:s.blendFuncSeparateiOES(e,r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA);break;case Wt:s.blendFuncSeparateiOES(e,r.SRC_ALPHA,r.ONE,r.ONE,r.ONE);break;case $t:s.blendFuncSeparateiOES(e,r.ZERO,r.ONE_MINUS_SRC_COLOR,r.ZERO,r.ONE);break;case zt:s.blendFuncSeparateiOES(e,r.DST_COLOR,r.ONE_MINUS_SRC_ALPHA,r.ZERO,r.ONE);break;default:s.blendFuncSeparateiOES(e,r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}}setBlending(e,t,r,s,i,n,a,u){const{gl:l}=this;if(e!==ee){if(!1===this.currentBlendingEnabled&&(this.enable(l.BLEND),this.currentBlendingEnabled=!0),e===dt)i=i||t,n=n||r,a=a||s,t===this.currentBlendEquation&&i===this.currentBlendEquationAlpha||(l.blendEquationSeparate(mR[t],mR[i]),this.currentBlendEquation=t,this.currentBlendEquationAlpha=i),r===this.currentBlendSrc&&s===this.currentBlendDst&&n===this.currentBlendSrcAlpha&&a===this.currentBlendDstAlpha||(l.blendFuncSeparate(fR[r],fR[s],fR[n],fR[a]),this.currentBlendSrc=r,this.currentBlendDst=s,this.currentBlendSrcAlpha=n,this.currentBlendDstAlpha=a),this.currentBlending=e,this.currentPremultipledAlpha=!1;else if(e!==this.currentBlending||u!==this.currentPremultipledAlpha){if(this.currentBlendEquation===$e&&this.currentBlendEquationAlpha===$e||(l.blendEquation(l.FUNC_ADD),this.currentBlendEquation=$e,this.currentBlendEquationAlpha=$e),u)switch(e){case ke:l.blendFuncSeparate(l.ONE,l.ONE_MINUS_SRC_ALPHA,l.ONE,l.ONE_MINUS_SRC_ALPHA);break;case Wt:l.blendFunc(l.ONE,l.ONE);break;case $t:l.blendFuncSeparate(l.ZERO,l.ONE_MINUS_SRC_COLOR,l.ZERO,l.ONE);break;case zt:l.blendFuncSeparate(l.DST_COLOR,l.ONE_MINUS_SRC_ALPHA,l.ZERO,l.ONE);break;default:o("WebGLState: Invalid blending: ",e)}else switch(e){case ke:l.blendFuncSeparate(l.SRC_ALPHA,l.ONE_MINUS_SRC_ALPHA,l.ONE,l.ONE_MINUS_SRC_ALPHA);break;case Wt:l.blendFuncSeparate(l.SRC_ALPHA,l.ONE,l.ONE,l.ONE);break;case $t:o("WebGLState: SubtractiveBlending requires material.premultipliedAlpha = true");break;case zt:o("WebGLState: MultiplyBlending requires material.premultipliedAlpha = true");break;default:o("WebGLState: Invalid blending: ",e)}this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentBlending=e,this.currentPremultipledAlpha=u}}else!0===this.currentBlendingEnabled&&(this.disable(l.BLEND),this.currentBlendingEnabled=!1)}setColorMask(e){this.currentColorMask!==e&&(this.gl.colorMask(e,e,e,e),this.currentColorMask=e)}setDepthTest(e){const{gl:t}=this;e?this.enable(t.DEPTH_TEST):this.disable(t.DEPTH_TEST)}setDepthMask(e){this.currentDepthMask!==e&&(this.gl.depthMask(e),this.currentDepthMask=e)}setDepthFunc(e){if(this.currentDepthFunc!==e){const{gl:t}=this;switch(e){case Zt:t.depthFunc(t.NEVER);break;case Qt:t.depthFunc(t.ALWAYS);break;case Yt:t.depthFunc(t.LESS);break;case Kt:t.depthFunc(t.LEQUAL);break;case Xt:t.depthFunc(t.EQUAL);break;case jt:t.depthFunc(t.GEQUAL);break;case qt:t.depthFunc(t.GREATER);break;case Ht:t.depthFunc(t.NOTEQUAL);break;default:t.depthFunc(t.LEQUAL)}this.currentDepthFunc=e}}scissor(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentScissor.equals(i)){const{gl:e}=this;e.scissor(i.x,i.y,i.z,i.w),this.currentScissor.copy(i)}}viewport(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentViewport.equals(i)){const{gl:e}=this;e.viewport(i.x,i.y,i.z,i.w),this.currentViewport.copy(i)}}setScissorTest(e){const t=this.gl;e?this.enable(t.SCISSOR_TEST):this.disable(t.SCISSOR_TEST)}setStencilTest(e){const{gl:t}=this;e?this.enable(t.STENCIL_TEST):this.disable(t.STENCIL_TEST)}setStencilMask(e){this.currentStencilMask!==e&&(this.gl.stencilMask(e),this.currentStencilMask=e)}setStencilFunc(e,t,r){this.currentStencilFunc===e&&this.currentStencilRef===t&&this.currentStencilFuncMask===r||(this.gl.stencilFunc(e,t,r),this.currentStencilFunc=e,this.currentStencilRef=t,this.currentStencilFuncMask=r)}setStencilOp(e,t,r){this.currentStencilFail===e&&this.currentStencilZFail===t&&this.currentStencilZPass===r||(this.gl.stencilOp(e,t,r),this.currentStencilFail=e,this.currentStencilZFail=t,this.currentStencilZPass=r)}setMaterial(e,t,r){const{gl:s}=this;e.side===B?this.disable(s.CULL_FACE):this.enable(s.CULL_FACE);let i=e.side===M;t&&(i=!i),this.setFlipSided(i),e.blending===ke&&!1===e.transparent?this.setBlending(ee):this.setBlending(e.blending,e.blendEquation,e.blendSrc,e.blendDst,e.blendEquationAlpha,e.blendSrcAlpha,e.blendDstAlpha,e.premultipliedAlpha),this.setDepthFunc(e.depthFunc),this.setDepthTest(e.depthTest),this.setDepthMask(e.depthWrite),this.setColorMask(e.colorWrite);const n=e.stencilWrite;if(this.setStencilTest(n),n&&(this.setStencilMask(e.stencilWriteMask),this.setStencilFunc(e.stencilFunc,e.stencilRef,e.stencilFuncMask),this.setStencilOp(e.stencilFail,e.stencilZFail,e.stencilZPass)),this.setPolygonOffset(e.polygonOffset,e.polygonOffsetFactor,e.polygonOffsetUnits),!0===e.alphaToCoverage&&this.backend.renderer.currentSamples>0?this.enable(s.SAMPLE_ALPHA_TO_COVERAGE):this.disable(s.SAMPLE_ALPHA_TO_COVERAGE),r>0&&this.currentClippingPlanes!==r){const e=12288;for(let t=0;t<8;t++)t<r?this.enable(e+t):this.disable(e+t)}}setPolygonOffset(e,t,r){const{gl:s}=this;e?(this.enable(s.POLYGON_OFFSET_FILL),this.currentPolygonOffsetFactor===t&&this.currentPolygonOffsetUnits===r||(s.polygonOffset(t,r),this.currentPolygonOffsetFactor=t,this.currentPolygonOffsetUnits=r)):this.disable(s.POLYGON_OFFSET_FILL)}useProgram(e){return this.currentProgram!==e&&(this.gl.useProgram(e),this.currentProgram=e,!0)}setVertexState(e,t=null){const r=this.gl;return(this.currentVAO!==e||this.currentIndex!==t)&&(r.bindVertexArray(e),null!==t&&r.bindBuffer(r.ELEMENT_ARRAY_BUFFER,t),this.currentVAO=e,this.currentIndex=t,!0)}resetVertexState(){const e=this.gl;e.bindVertexArray(null),e.bindBuffer(e.ELEMENT_ARRAY_BUFFER,null),this.currentVAO=null,this.currentIndex=null}bindFramebuffer(e,t){const{gl:r,currentBoundFramebuffers:s}=this;return s[e]!==t&&(r.bindFramebuffer(e,t),s[e]=t,e===r.DRAW_FRAMEBUFFER&&(s[r.FRAMEBUFFER]=t),e===r.FRAMEBUFFER&&(s[r.DRAW_FRAMEBUFFER]=t),!0)}drawBuffers(e,t){const{gl:r}=this;let s=[],i=!1;if(null!==e.textures){s=this.currentDrawbuffers.get(t),void 0===s&&(s=[],this.currentDrawbuffers.set(t,s));const n=e.textures;if(s.length!==n.length||s[0]!==r.COLOR_ATTACHMENT0){for(let e=0,t=n.length;e<t;e++)s[e]=r.COLOR_ATTACHMENT0+e;s.length=n.length,i=!0}}else s[0]!==r.BACK&&(s[0]=r.BACK,i=!0);i&&r.drawBuffers(s)}activeTexture(e){const{gl:t,currentTextureSlot:r,maxTextures:s}=this;void 0===e&&(e=t.TEXTURE0+s-1),r!==e&&(t.activeTexture(e),this.currentTextureSlot=e)}bindTexture(e,t,r){const{gl:s,currentTextureSlot:i,currentBoundTextures:n,maxTextures:a}=this;void 0===r&&(r=null===i?s.TEXTURE0+a-1:i);let o=n[r];void 0===o&&(o={type:void 0,texture:void 0},n[r]=o),o.type===e&&o.texture===t||(i!==r&&(s.activeTexture(r),this.currentTextureSlot=r),s.bindTexture(e,t),o.type=e,o.texture=t)}bindBufferBase(e,t,r){const{gl:s}=this,i=`${e}-${t}`;return this.currentBoundBufferBases[i]!==r&&(s.bindBufferBase(e,t,r),this.currentBoundBufferBases[i]=r,!0)}unbindTexture(){const{gl:e,currentTextureSlot:t,currentBoundTextures:r}=this,s=r[t];void 0!==s&&void 0!==s.type&&(e.bindTexture(s.type,null),s.type=void 0,s.texture=void 0)}}class _R{constructor(e){this.backend=e,this.gl=this.backend.gl,this.extensions=e.extensions}convert(e,t=T){const{gl:r,extensions:s}=this;let i;const n=p.getTransfer(t);if(e===Ve)return r.UNSIGNED_BYTE;if(e===Jt)return r.UNSIGNED_SHORT_4_4_4_4;if(e===er)return r.UNSIGNED_SHORT_5_5_5_1;if(e===tr)return r.UNSIGNED_INT_5_9_9_9_REV;if(e===rr)return r.UNSIGNED_INT_10F_11F_11F_REV;if(e===_t)return r.BYTE;if(e===Tt)return r.SHORT;if(e===vt)return r.UNSIGNED_SHORT;if(e===R)return r.INT;if(e===S)return r.UNSIGNED_INT;if(e===j)return r.FLOAT;if(e===be)return r.HALF_FLOAT;if(e===sr)return r.ALPHA;if(e===Rt)return r.RGB;if(e===Se)return r.RGBA;if(e===Ie)return r.DEPTH_COMPONENT;if(e===Ue)return r.DEPTH_STENCIL;if(e===xt)return r.RED;if(e===bt)return r.RED_INTEGER;if(e===G)return r.RG;if(e===Nt)return r.RG_INTEGER;if(e===Et)return r.RGBA_INTEGER;if(e===ir||e===nr||e===ar||e===or)if(n===g){if(i=s.get("WEBGL_compressed_texture_s3tc_srgb"),null===i)return null;if(e===ir)return i.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(e===nr)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(e===ar)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(e===or)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(i=s.get("WEBGL_compressed_texture_s3tc"),null===i)return null;if(e===ir)return i.COMPRESSED_RGB_S3TC_DXT1_EXT;if(e===nr)return i.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(e===ar)return i.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(e===or)return i.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(e===ur||e===lr||e===dr||e===cr){if(i=s.get("WEBGL_compressed_texture_pvrtc"),null===i)return null;if(e===ur)return i.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(e===lr)return i.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(e===dr)return i.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(e===cr)return i.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(e===hr||e===pr||e===gr||e===mr||e===fr||e===$||e===yr){if(i=s.get("WEBGL_compressed_texture_etc"),null===i)return null;if(e===hr||e===pr)return n===g?i.COMPRESSED_SRGB8_ETC2:i.COMPRESSED_RGB8_ETC2;if(e===gr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:i.COMPRESSED_RGBA8_ETC2_EAC;if(e===mr)return i.COMPRESSED_R11_EAC;if(e===fr)return i.COMPRESSED_SIGNED_R11_EAC;if(e===$)return i.COMPRESSED_RG11_EAC;if(e===yr)return i.COMPRESSED_SIGNED_RG11_EAC}if(e===br||e===xr||e===Tr||e===_r||e===vr||e===Nr||e===Sr||e===Rr||e===Er||e===Ar||e===wr||e===Cr||e===Mr||e===Br){if(i=s.get("WEBGL_compressed_texture_astc"),null===i)return null;if(e===br)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:i.COMPRESSED_RGBA_ASTC_4x4_KHR;if(e===xr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:i.COMPRESSED_RGBA_ASTC_5x4_KHR;if(e===Tr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:i.COMPRESSED_RGBA_ASTC_5x5_KHR;if(e===_r)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:i.COMPRESSED_RGBA_ASTC_6x5_KHR;if(e===vr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:i.COMPRESSED_RGBA_ASTC_6x6_KHR;if(e===Nr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:i.COMPRESSED_RGBA_ASTC_8x5_KHR;if(e===Sr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:i.COMPRESSED_RGBA_ASTC_8x6_KHR;if(e===Rr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:i.COMPRESSED_RGBA_ASTC_8x8_KHR;if(e===Er)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:i.COMPRESSED_RGBA_ASTC_10x5_KHR;if(e===Ar)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:i.COMPRESSED_RGBA_ASTC_10x6_KHR;if(e===wr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:i.COMPRESSED_RGBA_ASTC_10x8_KHR;if(e===Cr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:i.COMPRESSED_RGBA_ASTC_10x10_KHR;if(e===Mr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:i.COMPRESSED_RGBA_ASTC_12x10_KHR;if(e===Br)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:i.COMPRESSED_RGBA_ASTC_12x12_KHR}if(e===Fr){if(i=s.get("EXT_texture_compression_bptc"),null===i)return null;if(e===Fr)return n===g?i.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:i.COMPRESSED_RGBA_BPTC_UNORM_EXT}if(e===Lr||e===Pr||e===z||e===Dr){if(i=s.get("EXT_texture_compression_rgtc"),null===i)return null;if(e===Lr)return i.COMPRESSED_RED_RGTC1_EXT;if(e===Pr)return i.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(e===z)return i.COMPRESSED_RED_GREEN_RGTC2_EXT;if(e===Dr)return i.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}return e===Oe?r.UNSIGNED_INT_24_8:void 0!==r[e]?r[e]:null}_clientWaitAsync(){const{gl:e}=this,t=e.fenceSync(e.SYNC_GPU_COMMANDS_COMPLETE,0);return e.flush(),new Promise((r,s)=>{!function i(){const n=e.clientWaitSync(t,e.SYNC_FLUSH_COMMANDS_BIT,0);if(n===e.WAIT_FAILED)return e.deleteSync(t),void s();n!==e.TIMEOUT_EXPIRED?(e.deleteSync(t),r()):requestAnimationFrame(i)}()})}}let vR,NR,SR,RR=!1;class ER{constructor(e){this.backend=e,this.gl=e.gl,this.extensions=e.extensions,this.defaultTextures={},this._srcFramebuffer=null,this._dstFramebuffer=null,!1===RR&&(this._init(),RR=!0)}_init(){const e=this.gl;vR={[Ir]:e.REPEAT,[xe]:e.CLAMP_TO_EDGE,[Ur]:e.MIRRORED_REPEAT},NR={[w]:e.NEAREST,[Or]:e.NEAREST_MIPMAP_NEAREST,[it]:e.NEAREST_MIPMAP_LINEAR,[oe]:e.LINEAR,[st]:e.LINEAR_MIPMAP_NEAREST,[K]:e.LINEAR_MIPMAP_LINEAR},SR={[Wr]:e.NEVER,[$r]:e.ALWAYS,[A]:e.LESS,[Qe]:e.LEQUAL,[zr]:e.EQUAL,[Gr]:e.GEQUAL,[kr]:e.GREATER,[Vr]:e.NOTEQUAL}}getGLTextureType(e){const{gl:t}=this;let r;return r=!0===e.isCubeTexture?t.TEXTURE_CUBE_MAP:!0===e.isArrayTexture||!0===e.isDataArrayTexture||!0===e.isCompressedArrayTexture?t.TEXTURE_2D_ARRAY:!0===e.isData3DTexture?t.TEXTURE_3D:t.TEXTURE_2D,r}getInternalFormat(e,t,r,s,i=!1){const{gl:n,extensions:a}=this;if(null!==e){if(void 0!==n[e])return n[e];d("WebGLBackend: Attempt to use non-existing WebGL internal format '"+e+"'")}let o=t;if(t===n.RED&&(r===n.FLOAT&&(o=n.R32F),r===n.HALF_FLOAT&&(o=n.R16F),r===n.UNSIGNED_BYTE&&(o=n.R8),r===n.UNSIGNED_SHORT&&(o=n.R16),r===n.UNSIGNED_INT&&(o=n.R32UI),r===n.BYTE&&(o=n.R8I),r===n.SHORT&&(o=n.R16I),r===n.INT&&(o=n.R32I)),t===n.RED_INTEGER&&(r===n.UNSIGNED_BYTE&&(o=n.R8UI),r===n.UNSIGNED_SHORT&&(o=n.R16UI),r===n.UNSIGNED_INT&&(o=n.R32UI),r===n.BYTE&&(o=n.R8I),r===n.SHORT&&(o=n.R16I),r===n.INT&&(o=n.R32I)),t===n.RG&&(r===n.FLOAT&&(o=n.RG32F),r===n.HALF_FLOAT&&(o=n.RG16F),r===n.UNSIGNED_BYTE&&(o=n.RG8),r===n.UNSIGNED_SHORT&&(o=n.RG16),r===n.UNSIGNED_INT&&(o=n.RG32UI),r===n.BYTE&&(o=n.RG8I),r===n.SHORT&&(o=n.RG16I),r===n.INT&&(o=n.RG32I)),t===n.RG_INTEGER&&(r===n.UNSIGNED_BYTE&&(o=n.RG8UI),r===n.UNSIGNED_SHORT&&(o=n.RG16UI),r===n.UNSIGNED_INT&&(o=n.RG32UI),r===n.BYTE&&(o=n.RG8I),r===n.SHORT&&(o=n.RG16I),r===n.INT&&(o=n.RG32I)),t===n.RGB){const e=i?Hr:p.getTransfer(s);r===n.FLOAT&&(o=n.RGB32F),r===n.HALF_FLOAT&&(o=n.RGB16F),r===n.UNSIGNED_BYTE&&(o=n.RGB8),r===n.UNSIGNED_SHORT&&(o=n.RGB16),r===n.UNSIGNED_INT&&(o=n.RGB32UI),r===n.BYTE&&(o=n.RGB8I),r===n.SHORT&&(o=n.RGB16I),r===n.INT&&(o=n.RGB32I),r===n.UNSIGNED_BYTE&&(o=e===g?n.SRGB8:n.RGB8),r===n.UNSIGNED_SHORT_5_6_5&&(o=n.RGB565),r===n.UNSIGNED_SHORT_5_5_5_1&&(o=n.RGB5_A1),r===n.UNSIGNED_SHORT_4_4_4_4&&(o=n.RGB4),r===n.UNSIGNED_INT_5_9_9_9_REV&&(o=n.RGB9_E5),r===n.UNSIGNED_INT_10F_11F_11F_REV&&(o=n.R11F_G11F_B10F)}if(t===n.RGB_INTEGER&&(r===n.UNSIGNED_BYTE&&(o=n.RGB8UI),r===n.UNSIGNED_SHORT&&(o=n.RGB16UI),r===n.UNSIGNED_INT&&(o=n.RGB32UI),r===n.BYTE&&(o=n.RGB8I),r===n.SHORT&&(o=n.RGB16I),r===n.INT&&(o=n.RGB32I)),t===n.RGBA){const e=i?Hr:p.getTransfer(s);r===n.FLOAT&&(o=n.RGBA32F),r===n.HALF_FLOAT&&(o=n.RGBA16F),r===n.UNSIGNED_BYTE&&(o=n.RGBA8),r===n.UNSIGNED_SHORT&&(o=n.RGBA16),r===n.UNSIGNED_INT&&(o=n.RGBA32UI),r===n.BYTE&&(o=n.RGBA8I),r===n.SHORT&&(o=n.RGBA16I),r===n.INT&&(o=n.RGBA32I),r===n.UNSIGNED_BYTE&&(o=e===g?n.SRGB8_ALPHA8:n.RGBA8),r===n.UNSIGNED_SHORT_4_4_4_4&&(o=n.RGBA4),r===n.UNSIGNED_SHORT_5_5_5_1&&(o=n.RGB5_A1)}return t===n.RGBA_INTEGER&&(r===n.UNSIGNED_BYTE&&(o=n.RGBA8UI),r===n.UNSIGNED_SHORT&&(o=n.RGBA16UI),r===n.UNSIGNED_INT&&(o=n.RGBA32UI),r===n.BYTE&&(o=n.RGBA8I),r===n.SHORT&&(o=n.RGBA16I),r===n.INT&&(o=n.RGBA32I)),t===n.DEPTH_COMPONENT&&(r===n.UNSIGNED_SHORT&&(o=n.DEPTH_COMPONENT16),r===n.UNSIGNED_INT&&(o=n.DEPTH_COMPONENT24),r===n.FLOAT&&(o=n.DEPTH_COMPONENT32F)),t===n.DEPTH_STENCIL&&r===n.UNSIGNED_INT_24_8&&(o=n.DEPTH24_STENCIL8),o!==n.R16F&&o!==n.R32F&&o!==n.RG16F&&o!==n.RG32F&&o!==n.RGBA16F&&o!==n.RGBA32F||a.get("EXT_color_buffer_float"),o}setTextureParameters(e,t){const{gl:r,extensions:s,backend:i}=this,n=p.getPrimaries(p.workingColorSpace),a=t.colorSpace===T?null:p.getPrimaries(t.colorSpace),o=t.colorSpace===T||n===a?r.NONE:r.BROWSER_DEFAULT_WEBGL;r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,t.flipY),r.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),r.pixelStorei(r.UNPACK_ALIGNMENT,t.unpackAlignment),r.pixelStorei(r.UNPACK_COLORSPACE_CONVERSION_WEBGL,o),r.texParameteri(e,r.TEXTURE_WRAP_S,vR[t.wrapS]),r.texParameteri(e,r.TEXTURE_WRAP_T,vR[t.wrapT]),e!==r.TEXTURE_3D&&e!==r.TEXTURE_2D_ARRAY||t.isArrayTexture||r.texParameteri(e,r.TEXTURE_WRAP_R,vR[t.wrapR]),r.texParameteri(e,r.TEXTURE_MAG_FILTER,NR[t.magFilter]);const u=void 0!==t.mipmaps&&t.mipmaps.length>0,l=t.minFilter===oe&&u?K:t.minFilter;if(r.texParameteri(e,r.TEXTURE_MIN_FILTER,NR[l]),t.compareFunction&&(r.texParameteri(e,r.TEXTURE_COMPARE_MODE,r.COMPARE_REF_TO_TEXTURE),r.texParameteri(e,r.TEXTURE_COMPARE_FUNC,SR[t.compareFunction])),!0===s.has("EXT_texture_filter_anisotropic")){if(t.magFilter===w)return;if(t.minFilter!==it&&t.minFilter!==K)return;if(t.type===j&&!1===s.has("OES_texture_float_linear"))return;if(t.anisotropy>1){const n=s.get("EXT_texture_filter_anisotropic");r.texParameterf(e,n.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(t.anisotropy,i.getMaxAnisotropy()))}}}createDefaultTexture(e){const{gl:t,backend:r,defaultTextures:s}=this,i=this.getGLTextureType(e);let n=s[i];void 0===n&&(n=t.createTexture(),r.state.bindTexture(i,n),t.texParameteri(i,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(i,t.TEXTURE_MAG_FILTER,t.NEAREST),s[i]=n),r.set(e,{textureGPU:n,glTextureType:i})}createTexture(e,t){const{gl:r,backend:s}=this,{levels:i,width:n,height:a,depth:o}=t,u=s.utils.convert(e.format,e.colorSpace),l=s.utils.convert(e.type),d=this.getInternalFormat(e.internalFormat,u,l,e.colorSpace,e.isVideoTexture),c=r.createTexture(),h=this.getGLTextureType(e);s.state.bindTexture(h,c),this.setTextureParameters(h,e),e.isArrayTexture||e.isDataArrayTexture||e.isCompressedArrayTexture?r.texStorage3D(r.TEXTURE_2D_ARRAY,i,d,n,a,o):e.isData3DTexture?r.texStorage3D(r.TEXTURE_3D,i,d,n,a,o):e.isVideoTexture||r.texStorage2D(h,i,d,n,a),s.set(e,{textureGPU:c,glTextureType:h,glFormat:u,glType:l,glInternalFormat:d})}copyBufferToTexture(e,t){const{gl:r,backend:s}=this,{textureGPU:i,glTextureType:n,glFormat:a,glType:o}=s.get(t),{width:u,height:l}=t.source.data;r.bindBuffer(r.PIXEL_UNPACK_BUFFER,e),s.state.bindTexture(n,i),r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,!1),r.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1),r.texSubImage2D(n,0,0,0,u,l,a,o,0),r.bindBuffer(r.PIXEL_UNPACK_BUFFER,null),s.state.unbindTexture()}updateTexture(e,t){const{gl:r}=this,{width:s,height:i}=t,{textureGPU:n,glTextureType:a,glFormat:o,glType:u,glInternalFormat:l}=this.backend.get(e);if(!e.isRenderTargetTexture&&void 0!==n)if(this.backend.state.bindTexture(a,n),this.setTextureParameters(a,e),e.isCompressedTexture){const s=e.mipmaps,i=t.image;for(let t=0;t<s.length;t++){const n=s[t];e.isCompressedArrayTexture?e.format!==r.RGBA?null!==o?r.compressedTexSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,o,n.data):d("WebGLBackend: Attempt to load unsupported compressed texture format in .uploadTexture()"):r.texSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,o,u,n.data):null!==o?r.compressedTexSubImage2D(r.TEXTURE_2D,t,0,0,n.width,n.height,o,n.data):d("WebGLBackend: Unsupported compressed texture format")}}else if(e.isCubeTexture){const n=t.images,a=e.mipmaps;for(let e=0;e<6;e++){const t=AR(n[e]);r.texSubImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,0,0,s,i,o,u,t);for(let t=0;t<a.length;t++){const s=AR(a[t].images[e]);r.texSubImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+e,t+1,0,0,s.width,s.height,o,u,s)}}}else if(e.isDataArrayTexture||e.isArrayTexture){const s=t.image;if(e.layerUpdates.size>0){const t=qr(s.width,s.height,e.format,e.type);for(const i of e.layerUpdates){const e=s.data.subarray(i*t/s.data.BYTES_PER_ELEMENT,(i+1)*t/s.data.BYTES_PER_ELEMENT);r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,i,s.width,s.height,1,o,u,e)}e.clearLayerUpdates()}else r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,0,s.width,s.height,s.depth,o,u,s.data)}else if(e.isData3DTexture){const e=t.image;r.texSubImage3D(r.TEXTURE_3D,0,0,0,0,e.width,e.height,e.depth,o,u,e.data)}else if(e.isVideoTexture)e.update(),r.texImage2D(a,0,l,o,u,t.image);else{const n=e.mipmaps;if(n.length>0)for(let e=0,t=n.length;e<t;e++){const t=n[e],s=AR(t);r.texSubImage2D(a,e,0,0,t.width,t.height,o,u,s)}else{const e=AR(t.image);r.texSubImage2D(a,0,0,0,s,i,o,u,e)}}}generateMipmaps(e){const{gl:t,backend:r}=this,{textureGPU:s,glTextureType:i}=r.get(e);r.state.bindTexture(i,s),t.generateMipmap(i)}deallocateRenderBuffers(e){const{gl:t,backend:r}=this;if(e){const s=r.get(e);if(s.renderBufferStorageSetup=void 0,s.framebuffers){for(const e in s.framebuffers)t.deleteFramebuffer(s.framebuffers[e]);delete s.framebuffers}if(s.depthRenderbuffer&&(t.deleteRenderbuffer(s.depthRenderbuffer),delete s.depthRenderbuffer),s.stencilRenderbuffer&&(t.deleteRenderbuffer(s.stencilRenderbuffer),delete s.stencilRenderbuffer),s.msaaFrameBuffer&&(t.deleteFramebuffer(s.msaaFrameBuffer),delete s.msaaFrameBuffer),s.msaaRenderbuffers){for(let e=0;e<s.msaaRenderbuffers.length;e++)t.deleteRenderbuffer(s.msaaRenderbuffers[e]);delete s.msaaRenderbuffers}}}destroyTexture(e,t=!1){const{gl:r,backend:s}=this,{textureGPU:i,renderTarget:n}=s.get(e);this.deallocateRenderBuffers(n),!1===t&&r.deleteTexture(i),s.delete(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){const{gl:a,backend:o}=this,{state:u}=this.backend,{textureGPU:l,glTextureType:d,glType:c,glFormat:h}=o.get(t);let p,g,m,f,y,b,x,T,_;u.bindTexture(d,l);const v=e.isCompressedTexture?e.mipmaps[n]:e.image;if(null!==r)p=r.max.x-r.min.x,g=r.max.y-r.min.y,m=r.isBox3?r.max.z-r.min.z:1,f=r.min.x,y=r.min.y,b=r.isBox3?r.min.z:0;else{const t=Math.pow(2,-i);p=Math.floor(v.width*t),g=Math.floor(v.height*t),m=e.isDataArrayTexture||e.isArrayTexture?v.depth:e.isData3DTexture?Math.floor(v.depth*t):1,f=0,y=0,b=0}null!==s?(x=s.x,T=s.y,_=s.z):(x=0,T=0,_=0),a.pixelStorei(a.UNPACK_FLIP_Y_WEBGL,t.flipY),a.pixelStorei(a.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),a.pixelStorei(a.UNPACK_ALIGNMENT,t.unpackAlignment);const N=a.getParameter(a.UNPACK_ROW_LENGTH),S=a.getParameter(a.UNPACK_IMAGE_HEIGHT),R=a.getParameter(a.UNPACK_SKIP_PIXELS),E=a.getParameter(a.UNPACK_SKIP_ROWS),A=a.getParameter(a.UNPACK_SKIP_IMAGES);a.pixelStorei(a.UNPACK_ROW_LENGTH,v.width),a.pixelStorei(a.UNPACK_IMAGE_HEIGHT,v.height),a.pixelStorei(a.UNPACK_SKIP_PIXELS,f),a.pixelStorei(a.UNPACK_SKIP_ROWS,y),a.pixelStorei(a.UNPACK_SKIP_IMAGES,b);const w=e.isDataArrayTexture||e.isData3DTexture||t.isArrayTexture,C=t.isDataArrayTexture||t.isData3DTexture||t.isArrayTexture;if(e.isDepthTexture){const r=o.get(e),s=o.get(t),d=o.get(r.renderTarget),c=o.get(s.renderTarget),h=d.framebuffers[r.cacheKey],v=c.framebuffers[s.cacheKey];u.bindFramebuffer(a.READ_FRAMEBUFFER,h),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,v);for(let e=0;e<m;e++)w&&(a.framebufferTextureLayer(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,r.textureGPU,i,b+e),a.framebufferTextureLayer(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,l,n,_+e)),a.blitFramebuffer(f,y,p,g,x,T,p,g,a.DEPTH_BUFFER_BIT,a.NEAREST);u.bindFramebuffer(a.READ_FRAMEBUFFER,null),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,null)}else if(0!==i||e.isRenderTargetTexture||o.has(e)){const t=o.get(e);null===this._srcFramebuffer&&(this._srcFramebuffer=a.createFramebuffer()),null===this._dstFramebuffer&&(this._dstFramebuffer=a.createFramebuffer()),u.bindFramebuffer(a.READ_FRAMEBUFFER,this._srcFramebuffer),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,this._dstFramebuffer);for(let e=0;e<m;e++)w?a.framebufferTextureLayer(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,t.textureGPU,i,b+e):a.framebufferTexture2D(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,a.TEXTURE_2D,t.textureGPU,i),C?a.framebufferTextureLayer(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,l,n,_+e):a.framebufferTexture2D(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,a.TEXTURE_2D,l,n),0!==i?a.blitFramebuffer(f,y,p,g,x,T,p,g,a.COLOR_BUFFER_BIT,a.NEAREST):C?a.copyTexSubImage3D(d,n,x,T,_+e,f,y,p,g):a.copyTexSubImage2D(d,n,x,T,f,y,p,g);u.bindFramebuffer(a.READ_FRAMEBUFFER,null),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,null)}else C?e.isDataTexture||e.isData3DTexture?a.texSubImage3D(d,n,x,T,_,p,g,m,h,c,v.data):t.isCompressedArrayTexture?a.compressedTexSubImage3D(d,n,x,T,_,p,g,m,h,v.data):a.texSubImage3D(d,n,x,T,_,p,g,m,h,c,v):e.isDataTexture?a.texSubImage2D(a.TEXTURE_2D,n,x,T,p,g,h,c,v.data):e.isCompressedTexture?a.compressedTexSubImage2D(a.TEXTURE_2D,n,x,T,v.width,v.height,h,v.data):a.texSubImage2D(a.TEXTURE_2D,n,x,T,p,g,h,c,v);a.pixelStorei(a.UNPACK_ROW_LENGTH,N),a.pixelStorei(a.UNPACK_IMAGE_HEIGHT,S),a.pixelStorei(a.UNPACK_SKIP_PIXELS,R),a.pixelStorei(a.UNPACK_SKIP_ROWS,E),a.pixelStorei(a.UNPACK_SKIP_IMAGES,A),0===n&&t.generateMipmaps&&a.generateMipmap(d),u.unbindTexture()}copyFramebufferToTexture(e,t,r){const{gl:s}=this,{state:i}=this.backend,{textureGPU:n}=this.backend.get(e),{x:a,y:o,z:u,w:l}=r,d=!0===e.isDepthTexture||t.renderTarget&&t.renderTarget.samples>0,c=t.renderTarget?t.renderTarget.height:this.backend.getDrawingBufferSize().y;if(d){const r=0!==a||0!==o;let d,h;if(!0===e.isDepthTexture?(d=s.DEPTH_BUFFER_BIT,h=s.DEPTH_ATTACHMENT,t.stencil&&(d|=s.STENCIL_BUFFER_BIT)):(d=s.COLOR_BUFFER_BIT,h=s.COLOR_ATTACHMENT0),r){const e=this.backend.get(t.renderTarget),r=e.framebuffers[t.getCacheKey()],h=e.msaaFrameBuffer;i.bindFramebuffer(s.DRAW_FRAMEBUFFER,r),i.bindFramebuffer(s.READ_FRAMEBUFFER,h);const p=c-o-l;s.blitFramebuffer(a,p,a+u,p+l,a,p,a+u,p+l,d,s.NEAREST),i.bindFramebuffer(s.READ_FRAMEBUFFER,r),i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,a,p,u,l),i.unbindTexture()}else{const e=s.createFramebuffer();i.bindFramebuffer(s.DRAW_FRAMEBUFFER,e),s.framebufferTexture2D(s.DRAW_FRAMEBUFFER,h,s.TEXTURE_2D,n,0),s.blitFramebuffer(0,0,u,l,0,0,u,l,d,s.NEAREST),s.deleteFramebuffer(e)}}else i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,a,c-l-o,u,l),i.unbindTexture();e.generateMipmaps&&this.generateMipmaps(e),this.backend._setFramebuffer(t)}setupRenderBufferStorage(e,t,r,s=!1){const{gl:i}=this,n=t.renderTarget,{depthTexture:a,depthBuffer:o,stencilBuffer:u,width:l,height:d}=n;if(i.bindRenderbuffer(i.RENDERBUFFER,e),o&&!u){let t=i.DEPTH_COMPONENT24;if(!0===s){this.extensions.get("WEBGL_multisampled_render_to_texture").renderbufferStorageMultisampleEXT(i.RENDERBUFFER,n.samples,t,l,d)}else r>0?(a&&a.isDepthTexture&&a.type===i.FLOAT&&(t=i.DEPTH_COMPONENT32F),i.renderbufferStorageMultisample(i.RENDERBUFFER,r,t,l,d)):i.renderbufferStorage(i.RENDERBUFFER,t,l,d);i.framebufferRenderbuffer(i.FRAMEBUFFER,i.DEPTH_ATTACHMENT,i.RENDERBUFFER,e)}else o&&u&&(r>0?i.renderbufferStorageMultisample(i.RENDERBUFFER,r,i.DEPTH24_STENCIL8,l,d):i.renderbufferStorage(i.RENDERBUFFER,i.DEPTH_STENCIL,l,d),i.framebufferRenderbuffer(i.FRAMEBUFFER,i.DEPTH_STENCIL_ATTACHMENT,i.RENDERBUFFER,e));i.bindRenderbuffer(i.RENDERBUFFER,null)}async copyTextureToBuffer(e,t,r,s,i,n){const{backend:a,gl:o}=this,{textureGPU:u,glFormat:l,glType:d}=this.backend.get(e),c=o.createFramebuffer();a.state.bindFramebuffer(o.READ_FRAMEBUFFER,c);const h=e.isCubeTexture?o.TEXTURE_CUBE_MAP_POSITIVE_X+n:o.TEXTURE_2D;o.framebufferTexture2D(o.READ_FRAMEBUFFER,o.COLOR_ATTACHMENT0,h,u,0);const p=this._getTypedArrayType(d),g=s*i*this._getBytesPerTexel(d,l),m=o.createBuffer();o.bindBuffer(o.PIXEL_PACK_BUFFER,m),o.bufferData(o.PIXEL_PACK_BUFFER,g,o.STREAM_READ),o.readPixels(t,r,s,i,l,d,0),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),await a.utils._clientWaitAsync();const f=new p(g/p.BYTES_PER_ELEMENT);return o.bindBuffer(o.PIXEL_PACK_BUFFER,m),o.getBufferSubData(o.PIXEL_PACK_BUFFER,0,f),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),a.state.bindFramebuffer(o.READ_FRAMEBUFFER,null),o.deleteFramebuffer(c),f}_getTypedArrayType(e){const{gl:t}=this;if(e===t.UNSIGNED_BYTE)return Uint8Array;if(e===t.UNSIGNED_SHORT_4_4_4_4)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_5_5_1)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_6_5)return Uint16Array;if(e===t.UNSIGNED_SHORT)return Uint16Array;if(e===t.UNSIGNED_INT)return Uint32Array;if(e===t.HALF_FLOAT)return Uint16Array;if(e===t.FLOAT)return Float32Array;throw new Error(`Unsupported WebGL type: ${e}`)}_getBytesPerTexel(e,t){const{gl:r}=this;let s=0;return e===r.UNSIGNED_BYTE&&(s=1),e!==r.UNSIGNED_SHORT_4_4_4_4&&e!==r.UNSIGNED_SHORT_5_5_5_1&&e!==r.UNSIGNED_SHORT_5_6_5&&e!==r.UNSIGNED_SHORT&&e!==r.HALF_FLOAT||(s=2),e!==r.UNSIGNED_INT&&e!==r.FLOAT||(s=4),t===r.RGBA?4*s:t===r.RGB?3*s:t===r.ALPHA?s:void 0}dispose(){const{gl:e}=this;null!==this._srcFramebuffer&&e.deleteFramebuffer(this._srcFramebuffer),null!==this._dstFramebuffer&&e.deleteFramebuffer(this._dstFramebuffer)}}function AR(e){return e.isDataTexture?e.image.data:"undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap||"undefined"!=typeof OffscreenCanvas&&e instanceof OffscreenCanvas?e:e.data}class wR{constructor(e){this.backend=e,this.gl=this.backend.gl,this.availableExtensions=this.gl.getSupportedExtensions(),this.extensions={}}get(e){let t=this.extensions[e];return void 0===t&&(t=this.gl.getExtension(e),this.extensions[e]=t),t}has(e){return this.availableExtensions.includes(e)}}class CR{constructor(e){this.backend=e,this.maxAnisotropy=null}getMaxAnisotropy(){if(null!==this.maxAnisotropy)return this.maxAnisotropy;const e=this.backend.gl,t=this.backend.extensions;if(!0===t.has("EXT_texture_filter_anisotropic")){const r=t.get("EXT_texture_filter_anisotropic");this.maxAnisotropy=e.getParameter(r.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else this.maxAnisotropy=0;return this.maxAnisotropy}}const MR={WEBGL_multi_draw:"WEBGL_multi_draw",WEBGL_compressed_texture_astc:"texture-compression-astc",WEBGL_compressed_texture_etc:"texture-compression-etc2",WEBGL_compressed_texture_etc1:"texture-compression-etc1",WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBGL_compressed_texture_s3tc:"texture-compression-s3tc",EXT_texture_compression_bptc:"texture-compression-bc",EXT_disjoint_timer_query_webgl2:"timestamp-query",OVR_multiview2:"OVR_multiview2"};class BR{constructor(e){this.gl=e.gl,this.extensions=e.extensions,this.info=e.renderer.info,this.mode=null,this.index=0,this.type=null,this.object=null}render(e,t){const{gl:r,mode:s,object:i,type:n,info:a,index:o}=this;0!==o?r.drawElements(s,t,n,e):r.drawArrays(s,e,t),a.update(i,t,1)}renderInstances(e,t,r){const{gl:s,mode:i,type:n,index:a,object:o,info:u}=this;0!==r&&(0!==a?s.drawElementsInstanced(i,t,n,e,r):s.drawArraysInstanced(i,e,t,r),u.update(o,t,r))}renderMultiDraw(e,t,r){const{extensions:s,mode:i,object:n,info:a}=this;if(0===r)return;const o=s.get("WEBGL_multi_draw");if(null===o)for(let s=0;s<r;s++)this.render(e[s],t[s]);else{0!==this.index?o.multiDrawElementsWEBGL(i,t,0,this.type,e,0,r):o.multiDrawArraysWEBGL(i,e,0,t,0,r);let s=0;for(let e=0;e<r;e++)s+=t[e];a.update(n,s,1)}}renderMultiDrawInstances(e,t,r,s){const{extensions:i,mode:n,object:a,info:o}=this;if(0===r)return;const u=i.get("WEBGL_multi_draw");if(null===u)for(let i=0;i<r;i++)this.renderInstances(e[i],t[i],s[i]);else{0!==this.index?u.multiDrawElementsInstancedWEBGL(n,t,0,this.type,e,0,s,0,r):u.multiDrawArraysInstancedWEBGL(n,e,0,t,0,s,0,r);let i=0;for(let e=0;e<r;e++)i+=t[e]*s[e];o.update(a,i,1)}}}class FR{constructor(e=256){this.trackTimestamp=!0,this.maxQueries=e,this.currentQueryIndex=0,this.queryOffsets=new Map,this.isDisposed=!1,this.lastValue=0,this.frames=[],this.pendingResolve=!1,this.timestamps=new Map}getTimestampFrames(){return this.frames}getTimestamp(e){let t=this.timestamps.get(e);return void 0===t&&(d(`TimestampQueryPool: No timestamp available for uid ${e}.`),t=0),t}hasTimestamp(e){return this.timestamps.has(e)}allocateQueriesForContext(){}async resolveQueriesAsync(){}dispose(){}}class LR extends FR{constructor(e,t,r=2048){if(super(r),this.gl=e,this.type=t,this.ext=e.getExtension("EXT_disjoint_timer_query_webgl2")||e.getExtension("EXT_disjoint_timer_query"),!this.ext)return d("EXT_disjoint_timer_query not supported; timestamps will be disabled."),void(this.trackTimestamp=!1);this.queries=[];for(let t=0;t<this.maxQueries;t++)this.queries.push(e.createQuery());this.activeQuery=null,this.queryStates=new Map}allocateQueriesForContext(e){if(!this.trackTimestamp)return null;if(this.currentQueryIndex+2>this.maxQueries)return v(`WebGPUTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryStates.set(t,"inactive"),this.queryOffsets.set(e,t),t}beginQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e);if(null==t)return;if(null!==this.activeQuery)return;const r=this.queries[t];if(r)try{"inactive"===this.queryStates.get(t)&&(this.gl.beginQuery(this.ext.TIME_ELAPSED_EXT,r),this.activeQuery=t,this.queryStates.set(t,"started"))}catch(e){o("Error in beginQuery:",e),this.activeQuery=null,this.queryStates.set(t,"inactive")}}endQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e);if(null!=t&&this.activeQuery===t)try{this.gl.endQuery(this.ext.TIME_ELAPSED_EXT),this.queryStates.set(t,"ended"),this.activeQuery=null}catch(e){o("Error in endQuery:",e),this.queryStates.set(t,"inactive"),this.activeQuery=null}}async resolveQueriesAsync(){if(!this.trackTimestamp||this.pendingResolve)return this.lastValue;this.pendingResolve=!0;try{const e=new Map;for(const[t,r]of this.queryOffsets){if("ended"===this.queryStates.get(r)){const s=this.queries[r];e.set(t,this.resolveQuery(s))}}if(0===e.size)return this.lastValue;const t={},r=[];for(const[s,i]of e){const e=s.match(/^(.*):f(\d+)$/),n=parseInt(e[2]);!1===r.includes(n)&&r.push(n),void 0===t[n]&&(t[n]=0);const a=await i;this.timestamps.set(s,a),t[n]+=a}const s=t[r[r.length-1]];return this.lastValue=s,this.frames=r,this.currentQueryIndex=0,this.queryOffsets.clear(),this.queryStates.clear(),this.activeQuery=null,s}catch(e){return o("Error resolving queries:",e),this.lastValue}finally{this.pendingResolve=!1}}async resolveQuery(e){return new Promise(t=>{if(this.isDisposed)return void t(this.lastValue);let r,s=!1;const i=e=>{s||(s=!0,r&&(clearTimeout(r),r=null),t(e))},n=()=>{if(this.isDisposed)i(this.lastValue);else try{if(this.gl.getParameter(this.ext.GPU_DISJOINT_EXT))return void i(this.lastValue);if(!this.gl.getQueryParameter(e,this.gl.QUERY_RESULT_AVAILABLE))return void(r=setTimeout(n,1));const s=this.gl.getQueryParameter(e,this.gl.QUERY_RESULT);t(Number(s)/1e6)}catch(e){o("Error checking query:",e),t(this.lastValue)}};n()})}dispose(){if(!this.isDisposed&&(this.isDisposed=!0,this.trackTimestamp)){for(const e of this.queries)this.gl.deleteQuery(e);this.queries=[],this.queryStates.clear(),this.queryOffsets.clear(),this.lastValue=0,this.activeQuery=null}}}class PR extends gR{constructor(e={}){super(e),this.isWebGLBackend=!0,this.attributeUtils=null,this.extensions=null,this.capabilities=null,this.textureUtils=null,this.bufferRenderer=null,this.gl=null,this.state=null,this.utils=null,this.vaoCache={},this.transformFeedbackCache={},this.discard=!1,this.disjoint=null,this.parallel=null,this._currentContext=null,this._knownBindings=new WeakSet,this._supportsInvalidateFramebuffer="undefined"!=typeof navigator&&/OculusBrowser/g.test(navigator.userAgent),this._xrFramebuffer=null}init(e){super.init(e);const t=this.parameters,r={antialias:e.currentSamples>0,alpha:!0,depth:e.depth,stencil:e.stencil},s=void 0!==t.context?t.context:e.domElement.getContext("webgl2",r);function i(t){t.preventDefault();const r={api:"WebGL",message:t.statusMessage||"Unknown reason",reason:null,originalEvent:t};e.onDeviceLost(r)}this._onContextLost=i,e.domElement.addEventListener("webglcontextlost",i,!1),this.gl=s,this.extensions=new wR(this),this.capabilities=new CR(this),this.attributeUtils=new xR(this),this.textureUtils=new ER(this),this.bufferRenderer=new BR(this),this.state=new TR(this),this.utils=new _R(this),this.extensions.get("EXT_color_buffer_float"),this.extensions.get("WEBGL_clip_cull_distance"),this.extensions.get("OES_texture_float_linear"),this.extensions.get("EXT_color_buffer_half_float"),this.extensions.get("WEBGL_multisampled_render_to_texture"),this.extensions.get("WEBGL_render_shared_exponent"),this.extensions.get("WEBGL_multi_draw"),this.extensions.get("OVR_multiview2"),this.disjoint=this.extensions.get("EXT_disjoint_timer_query_webgl2"),this.parallel=this.extensions.get("KHR_parallel_shader_compile"),this.drawBuffersIndexedExt=this.extensions.get("OES_draw_buffers_indexed")}get coordinateSystem(){return c}async getArrayBufferAsync(e){return await this.attributeUtils.getArrayBufferAsync(e)}async makeXRCompatible(){!0!==this.gl.getContextAttributes().xrCompatible&&await this.gl.makeXRCompatible()}setXRTarget(e){this._xrFramebuffer=e}setXRRenderTargetTextures(e,t,r=null){const s=this.gl;if(this.set(e.texture,{textureGPU:t,glInternalFormat:s.RGBA8}),null!==r){const t=e.stencilBuffer?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24;this.set(e.depthTexture,{textureGPU:r,glInternalFormat:t}),!0===this.extensions.has("WEBGL_multisampled_render_to_texture")&&!0===e._autoAllocateDepthBuffer&&!1===e.multiview&&d("WebGLBackend: Render-to-texture extension was disabled because an external texture was provided"),e._autoAllocateDepthBuffer=!1}}initTimestampQuery(e,t){if(!this.disjoint||!this.trackTimestamp)return;this.timestampQueryPool[e]||(this.timestampQueryPool[e]=new LR(this.gl,e,2048));const r=this.timestampQueryPool[e];null!==r.allocateQueriesForContext(t)&&r.beginQuery(t)}prepareTimestampBuffer(e,t){if(!this.disjoint||!this.trackTimestamp)return;this.timestampQueryPool[e].endQuery(t)}getContext(){return this.gl}beginRender(e){const{state:t}=this,r=this.get(e);if(e.viewport)this.updateViewport(e);else{const{width:e,height:r}=this.getDrawingBufferSize();t.viewport(0,0,e,r)}if(e.scissor)this.updateScissor(e);else{const{width:e,height:r}=this.getDrawingBufferSize();t.scissor(0,0,e,r)}this.initTimestampQuery(At.RENDER,this.getTimestampUID(e)),r.previousContext=this._currentContext,this._currentContext=e,this._setFramebuffer(e),this.clear(e.clearColor,e.clearDepth,e.clearStencil,e,!1);const s=e.occlusionQueryCount;s>0&&(r.currentOcclusionQueries=r.occlusionQueries,r.currentOcclusionQueryObjects=r.occlusionQueryObjects,r.lastOcclusionObject=null,r.occlusionQueries=new Array(s),r.occlusionQueryObjects=new Array(s),r.occlusionQueryIndex=0)}finishRender(e){const{gl:t,state:r}=this,s=this.get(e),i=s.previousContext;r.resetVertexState();const n=e.occlusionQueryCount;n>0&&(n>s.occlusionQueryIndex&&t.endQuery(t.ANY_SAMPLES_PASSED),this.resolveOccludedAsync(e));const a=e.textures;if(null!==a)for(let e=0;e<a.length;e++){const t=a[e];t.generateMipmaps&&this.generateMipmaps(t)}if(this._currentContext=i,this._resolveRenderTarget(e),null!==i){if(this._setFramebuffer(i),i.viewport)this.updateViewport(i);else{const{width:e,height:t}=this.getDrawingBufferSize();r.viewport(0,0,e,t)}if(i.scissor)this.updateScissor(i);else{const{width:e,height:t}=this.getDrawingBufferSize();r.scissor(0,0,e,t)}}this.prepareTimestampBuffer(At.RENDER,this.getTimestampUID(e))}resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueries:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet,{gl:i}=this;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueries=null;const n=()=>{let a=0;for(let t=0;t<r.length;t++){const n=r[t];null!==n&&(i.getQueryParameter(n,i.QUERY_RESULT_AVAILABLE)&&(0===i.getQueryParameter(n,i.QUERY_RESULT)&&e.add(s[t]),r[t]=null,i.deleteQuery(n),a++))}a<r.length?requestAnimationFrame(n):t.occluded=e};n()}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}updateViewport(e){const{state:t}=this,{x:r,y:s,width:i,height:n}=e.viewportValue;t.viewport(r,e.height-n-s,i,n)}updateScissor(e){const{state:t}=this,{x:r,y:s,width:i,height:n}=e.scissorValue;t.scissor(r,e.height-n-s,i,n)}setScissorTest(e){this.state.setScissorTest(e)}getClearColor(){const e=super.getClearColor();return e.r*=e.a,e.g*=e.a,e.b*=e.a,e}clear(e,t,r,s=null,i=!0,n=!0){const{gl:a,renderer:o}=this;if(null===s){s={textures:null,clearColorValue:this.getClearColor()}}let u=0;if(e&&(u|=a.COLOR_BUFFER_BIT),t&&(u|=a.DEPTH_BUFFER_BIT),r&&(u|=a.STENCIL_BUFFER_BIT),0!==u){let l;l=s.clearColorValue?s.clearColorValue:this.getClearColor();const d=o.getClearDepth(),c=o.getClearStencil();if(t&&this.state.setDepthMask(!0),null===s.textures)a.clearColor(l.r,l.g,l.b,l.a),a.clear(u);else{if(i&&this._setFramebuffer(s),e)for(let e=0;e<s.textures.length;e++)0===e?a.clearBufferfv(a.COLOR,e,[l.r,l.g,l.b,l.a]):a.clearBufferfv(a.COLOR,e,[0,0,0,1]);t&&r?a.clearBufferfi(a.DEPTH_STENCIL,0,d,c):t?a.clearBufferfv(a.DEPTH,0,[d]):r&&a.clearBufferiv(a.STENCIL,0,[c]),i&&n&&this._resolveRenderTarget(s)}}}beginCompute(e){const{state:t,gl:r}=this;t.bindFramebuffer(r.FRAMEBUFFER,null),this.initTimestampQuery(At.COMPUTE,this.getTimestampUID(e))}compute(e,t,r,s,i=null){const{state:n,gl:a}=this;!1===this.discard&&(n.enable(a.RASTERIZER_DISCARD),this.discard=!0);const{programGPU:o,transformBuffers:u,attributes:l}=this.get(s),d=this._getVaoKey(l),c=this.vaoCache[d];void 0===c?this.vaoCache[d]=this._createVao(l):n.setVertexState(c),n.useProgram(o),this._bindUniforms(r);const h=this._getTransformFeedback(u);a.bindTransformFeedback(a.TRANSFORM_FEEDBACK,h),a.beginTransformFeedback(a.POINTS),i=null!==i?i:t.count,Array.isArray(i)?(v("WebGLBackend.compute(): The count parameter must be a single number, not an array."),i=i[0]):i&&"object"==typeof i&&i.isIndirectStorageBufferAttribute&&(v("WebGLBackend.compute(): The count parameter must be a single number, not IndirectStorageBufferAttribute"),i=t.count),l[0].isStorageInstancedBufferAttribute?a.drawArraysInstanced(a.POINTS,0,1,i):a.drawArrays(a.POINTS,0,i),a.endTransformFeedback(),a.bindTransformFeedback(a.TRANSFORM_FEEDBACK,null);for(let e=0;e<u.length;e++){const t=u[e];t.pbo&&this.has(t.pbo)&&this.textureUtils.copyBufferToTexture(t.transformBuffer,t.pbo),t.switchBuffers()}}finishCompute(e){const{state:t,gl:r}=this;this.discard=!1,t.disable(r.RASTERIZER_DISCARD),this.prepareTimestampBuffer(At.COMPUTE,this.getTimestampUID(e)),this._currentContext&&this._setFramebuffer(this._currentContext)}_isRenderCameraDepthArray(e){return e.depthTexture&&e.depthTexture.isArrayTexture&&e.camera.isArrayCamera}draw(e){const{object:t,pipeline:r,material:s,context:i,hardwareClippingPlanes:n}=e,{programGPU:a}=this.get(r),{gl:o,state:u}=this,l=this.get(i),d=e.getDrawParameters();if(null===d)return;this._bindUniforms(e.getBindings());const c=t.isMesh&&t.matrixWorld.determinant()<0;u.setMaterial(s,c,n),null!==i.mrt&&null!==i.textures&&u.setMRTBlending(i.textures,i.mrt,s),u.useProgram(a);const h=e.getAttributes(),p=this.get(h);let g=p.vaoGPU;if(void 0===g){const e=this._getVaoKey(h);g=this.vaoCache[e],void 0===g&&(g=this._createVao(h),this.vaoCache[e]=g,p.vaoGPU=g)}const m=e.getIndex(),f=null!==m?this.get(m).bufferGPU:null;u.setVertexState(g,f);const y=l.lastOcclusionObject;if(y!==t&&void 0!==y){if(null!==y&&!0===y.occlusionTest&&(o.endQuery(o.ANY_SAMPLES_PASSED),l.occlusionQueryIndex++),!0===t.occlusionTest){const e=o.createQuery();o.beginQuery(o.ANY_SAMPLES_PASSED,e),l.occlusionQueries[l.occlusionQueryIndex]=e,l.occlusionQueryObjects[l.occlusionQueryIndex]=t}l.lastOcclusionObject=t}const b=this.bufferRenderer;t.isPoints?b.mode=o.POINTS:t.isLineSegments?b.mode=o.LINES:t.isLine?b.mode=o.LINE_STRIP:t.isLineLoop?b.mode=o.LINE_LOOP:!0===s.wireframe?(u.setLineWidth(s.wireframeLinewidth*this.renderer.getPixelRatio()),b.mode=o.LINES):b.mode=o.TRIANGLES;const{vertexCount:x,instanceCount:T}=d;let{firstVertex:_}=d;if(b.object=t,null!==m){_*=m.array.BYTES_PER_ELEMENT;const e=this.get(m);b.index=m.count,b.type=e.type}else b.index=0;const N=()=>{t.isBatchedMesh?null!==t._multiDrawInstances?(v("WebGLBackend: renderMultiDrawInstances has been deprecated and will be removed in r184. Append to renderMultiDraw arguments and use indirection."),b.renderMultiDrawInstances(t._multiDrawStarts,t._multiDrawCounts,t._multiDrawCount,t._multiDrawInstances)):this.hasFeature("WEBGL_multi_draw")?b.renderMultiDraw(t._multiDrawStarts,t._multiDrawCounts,t._multiDrawCount):v("WebGLBackend: WEBGL_multi_draw not supported."):T>1?b.renderInstances(_,x,T):b.render(_,x)};if(!0===e.camera.isArrayCamera&&e.camera.cameras.length>0&&!1===e.camera.isMultiViewCamera){const r=this.get(e.camera),s=e.camera.cameras,i=e.getBindingGroup("cameraIndex").bindings[0];if(void 0===r.indexesGPU||r.indexesGPU.length!==s.length){const e=new Uint32Array([0,0,0,0]),t=[];for(let r=0,i=s.length;r<i;r++){const s=o.createBuffer();e[0]=r,o.bindBuffer(o.UNIFORM_BUFFER,s),o.bufferData(o.UNIFORM_BUFFER,e,o.STATIC_DRAW),t.push(s)}r.indexesGPU=t}const n=this.get(i),a=this.renderer.getPixelRatio(),l=this._currentContext.renderTarget,d=this._isRenderCameraDepthArray(this._currentContext),c=this._currentContext.activeCubeFace;if(d){const e=this.get(l.depthTexture);if(e.clearedRenderId!==this.renderer._nodes.nodeFrame.renderId){e.clearedRenderId=this.renderer._nodes.nodeFrame.renderId;const{stencilBuffer:t}=l;for(let e=0,r=s.length;e<r;e++)this.renderer._activeCubeFace=e,this._currentContext.activeCubeFace=e,this._setFramebuffer(this._currentContext),this.clear(!1,!0,t,this._currentContext,!1,!1);this.renderer._activeCubeFace=c,this._currentContext.activeCubeFace=c}}for(let i=0,l=s.length;i<l;i++){const l=s[i];if(t.layers.test(l.layers)){d&&(this.renderer._activeCubeFace=i,this._currentContext.activeCubeFace=i,this._setFramebuffer(this._currentContext));const t=l.viewport;if(void 0!==t){const r=t.x*a,s=t.y*a,i=t.width*a,n=t.height*a;u.viewport(Math.floor(r),Math.floor(e.context.height-n-s),Math.floor(i),Math.floor(n))}u.bindBufferBase(o.UNIFORM_BUFFER,n.index,r.indexesGPU[i]),N()}this._currentContext.activeCubeFace=c,this.renderer._activeCubeFace=c}}else N()}needsRenderUpdate(){return!1}getRenderCacheKey(){return""}createDefaultTexture(e){this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e,t=!1){this.textureUtils.destroyTexture(e,t)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}updateSampler(){return""}createNodeBuilder(e,t){return new cR(e,t)}createProgram(e){const t=this.gl,{stage:r,code:s}=e,i="fragment"===r?t.createShader(t.FRAGMENT_SHADER):t.createShader(t.VERTEX_SHADER);t.shaderSource(i,s),t.compileShader(i),this.set(e,{shaderGPU:i})}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){const r=this.gl,s=e.pipeline,{fragmentProgram:i,vertexProgram:n}=s,a=r.createProgram(),o=this.get(i).shaderGPU,u=this.get(n).shaderGPU;if(r.attachShader(a,o),r.attachShader(a,u),r.linkProgram(a),this.set(s,{programGPU:a,fragmentShader:o,vertexShader:u}),null!==t&&this.parallel){const i=new Promise(t=>{const i=this.parallel,n=()=>{r.getProgramParameter(a,i.COMPLETION_STATUS_KHR)?(this._completeCompile(e,s),t()):requestAnimationFrame(n)};n()});return void t.push(i)}this._completeCompile(e,s)}_handleSource(e,t){const r=e.split("\n"),s=[],i=Math.max(t-6,0),n=Math.min(t+6,r.length);for(let e=i;e<n;e++){const i=e+1;s.push(`${i===t?">":" "} ${i}: ${r[e]}`)}return s.join("\n")}_getShaderErrors(e,t,r){const s=e.getShaderParameter(t,e.COMPILE_STATUS),i=(e.getShaderInfoLog(t)||"").trim();if(s&&""===i)return"";const n=/ERROR: 0:(\d+)/.exec(i);if(n){const s=parseInt(n[1]);return r.toUpperCase()+"\n\n"+i+"\n\n"+this._handleSource(e.getShaderSource(t),s)}return i}_logProgramError(e,t,r){if(this.renderer.debug.checkShaderErrors){const s=this.gl,i=(s.getProgramInfoLog(e)||"").trim();if(!1===s.getProgramParameter(e,s.LINK_STATUS))if("function"==typeof this.renderer.debug.onShaderError)this.renderer.debug.onShaderError(s,e,r,t);else{const n=this._getShaderErrors(s,r,"vertex"),a=this._getShaderErrors(s,t,"fragment");o("THREE.WebGLProgram: Shader Error "+s.getError()+" - VALIDATE_STATUS "+s.getProgramParameter(e,s.VALIDATE_STATUS)+"\n\nProgram Info Log: "+i+"\n"+n+"\n"+a)}else""!==i&&d("WebGLProgram: Program Info Log:",i)}}_completeCompile(e,t){const{state:r,gl:s}=this,i=this.get(t),{programGPU:n,fragmentShader:a,vertexShader:o}=i;!1===s.getProgramParameter(n,s.LINK_STATUS)&&this._logProgramError(n,a,o),r.useProgram(n);const u=e.getBindings();this._setupBindings(u,n),this.set(t,{programGPU:n})}createComputePipeline(e,t){const{state:r,gl:s}=this,i={stage:"fragment",code:"#version 300 es\nprecision highp float;\nvoid main() {}"};this.createProgram(i);const{computeProgram:n}=e,a=s.createProgram(),o=this.get(i).shaderGPU,u=this.get(n).shaderGPU,l=n.transforms,d=[],c=[];for(let e=0;e<l.length;e++){const t=l[e];d.push(t.varyingName),c.push(t.attributeNode)}s.attachShader(a,o),s.attachShader(a,u),s.transformFeedbackVaryings(a,d,s.SEPARATE_ATTRIBS),s.linkProgram(a),!1===s.getProgramParameter(a,s.LINK_STATUS)&&this._logProgramError(a,o,u),r.useProgram(a),this._setupBindings(t,a);const h=n.attributes,p=[],g=[];for(let e=0;e<h.length;e++){const t=h[e].node.attribute;p.push(t),this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER)}for(let e=0;e<c.length;e++){const t=c[e].attribute;this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER);const r=this.get(t);g.push(r)}this.set(e,{programGPU:a,transformBuffers:g,attributes:p})}createBindings(e,t){if(!1===this._knownBindings.has(t)){this._knownBindings.add(t);let e=0,r=0;for(const s of t){this.set(s,{textures:r,uniformBuffers:e});for(const t of s.bindings)t.isUniformBuffer&&e++,t.isSampledTexture&&r++}}this.updateBindings(e,t)}updateBindings(e){const{gl:t}=this,r=this.get(e);let s=r.uniformBuffers,i=r.textures;for(const r of e.bindings){const e=this.get(r);if(r.isUniformsGroup||r.isUniformBuffer){const i=r.buffer;let{bufferGPU:n}=this.get(i);void 0===n?(n=t.createBuffer(),t.bindBuffer(t.UNIFORM_BUFFER,n),t.bufferData(t.UNIFORM_BUFFER,i.byteLength,t.DYNAMIC_DRAW),this.set(i,{bufferGPU:n})):t.bindBuffer(t.UNIFORM_BUFFER,n);const a=r.updateRanges;if(t.bindBuffer(t.UNIFORM_BUFFER,n),0===a.length)t.bufferData(t.UNIFORM_BUFFER,i,t.DYNAMIC_DRAW);else{const e=jr(i),r=e?1:i.BYTES_PER_ELEMENT;for(let s=0,n=a.length;s<n;s++){const n=a[s],o=n.start*r,u=n.count*r,l=o*(e?i.BYTES_PER_ELEMENT:1);t.bufferSubData(t.UNIFORM_BUFFER,l,i,o,u)}}e.index=s++,e.bufferGPU=n,this.set(r,e)}else if(r.isSampledTexture){const{textureGPU:t,glTextureType:s}=this.get(r.texture);e.index=i++,e.textureGPU=t,e.glTextureType=s,this.set(r,e)}}}updateBinding(e){const t=this.gl;if(e.isUniformsGroup||e.isUniformBuffer){const r=this.get(e).bufferGPU,s=e.buffer,i=e.updateRanges;if(t.bindBuffer(t.UNIFORM_BUFFER,r),0===i.length)t.bufferData(t.UNIFORM_BUFFER,s,t.DYNAMIC_DRAW);else{const e=jr(s),r=e?1:s.BYTES_PER_ELEMENT;for(let n=0,a=i.length;n<a;n++){const a=i[n],o=a.start*r,u=a.count*r,l=o*(e?s.BYTES_PER_ELEMENT:1);t.bufferSubData(t.UNIFORM_BUFFER,l,s,o,u)}}}}createIndexAttribute(e){const t=this.gl;this.attributeUtils.createAttribute(e,t.ELEMENT_ARRAY_BUFFER)}createAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}createStorageAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}hasFeature(e){const t=Object.keys(MR).filter(t=>MR[t]===e),r=this.extensions;for(let e=0;e<t.length;e++)if(r.has(t[e]))return!0;return!1}getMaxAnisotropy(){return this.capabilities.getMaxAnisotropy()}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){this.textureUtils.copyTextureToTexture(e,t,r,s,i,n)}copyFramebufferToTexture(e,t,r){this.textureUtils.copyFramebufferToTexture(e,t,r)}hasCompatibility(e){return e===E.TEXTURE_COMPARE||super.hasCompatibility(e)}initRenderTarget(e){const{gl:t,state:r}=this;this._setFramebuffer(e),r.bindFramebuffer(t.FRAMEBUFFER,null)}_setFramebuffer(e){const{gl:t,state:r}=this;let s=null;if(null!==e.textures){const i=e.renderTarget,n=this.get(i),{samples:a,depthBuffer:o,stencilBuffer:u}=i,l=!0===i.isCubeRenderTarget,d=!0===i.isRenderTarget3D,c=i.depth>1,h=!0===i.isXRRenderTarget,p=!0===h&&!0===i._hasExternalTextures;let g=n.msaaFrameBuffer,m=n.depthRenderbuffer;const f=this.extensions.get("WEBGL_multisampled_render_to_texture"),y=this.extensions.get("OVR_multiview2"),b=this._useMultisampledExtension(i),x=Wy(e);let T;if(l?(n.cubeFramebuffers||(n.cubeFramebuffers={}),T=n.cubeFramebuffers[x]):h&&!1===p?T=this._xrFramebuffer:(n.framebuffers||(n.framebuffers={}),T=n.framebuffers[x]),void 0===T){T=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,T);const s=e.textures,o=[];if(l){n.cubeFramebuffers[x]=T;const{textureGPU:e}=this.get(s[0]),r=this.renderer._activeCubeFace,i=this.renderer._activeMipmapLevel;t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_CUBE_MAP_POSITIVE_X+r,e,i)}else{n.framebuffers[x]=T;for(let r=0;r<s.length;r++){const n=s[r],o=this.get(n);o.renderTarget=e.renderTarget,o.cacheKey=x;const u=t.COLOR_ATTACHMENT0+r;if(i.multiview)y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,u,o.textureGPU,0,a,0,2);else if(d||c){const e=this.renderer._activeCubeFace,r=this.renderer._activeMipmapLevel;t.framebufferTextureLayer(t.FRAMEBUFFER,u,o.textureGPU,r,e)}else if(b)f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,u,t.TEXTURE_2D,o.textureGPU,0,a);else{const e=this.renderer._activeMipmapLevel;t.framebufferTexture2D(t.FRAMEBUFFER,u,t.TEXTURE_2D,o.textureGPU,e)}}}const h=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;if(!0===i._autoAllocateDepthBuffer){const r=t.createRenderbuffer();this.textureUtils.setupRenderBufferStorage(r,e,0,b),n.xrDepthRenderbuffer=r,o.push(u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT),t.bindRenderbuffer(t.RENDERBUFFER,r),t.framebufferRenderbuffer(t.FRAMEBUFFER,h,t.RENDERBUFFER,r)}else if(null!==e.depthTexture){o.push(u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT);const r=this.get(e.depthTexture);if(r.renderTarget=e.renderTarget,r.cacheKey=x,i.multiview)y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,h,r.textureGPU,0,a,0,2);else if(p&&b)f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,h,t.TEXTURE_2D,r.textureGPU,0,a);else if(e.depthTexture.isArrayTexture){const e=this.renderer._activeCubeFace;t.framebufferTextureLayer(t.FRAMEBUFFER,h,r.textureGPU,0,e)}else if(e.depthTexture.isCubeTexture){const e=this.renderer._activeCubeFace;t.framebufferTexture2D(t.FRAMEBUFFER,h,t.TEXTURE_CUBE_MAP_POSITIVE_X+e,r.textureGPU,0)}else t.framebufferTexture2D(t.FRAMEBUFFER,h,t.TEXTURE_2D,r.textureGPU,0)}n.depthInvalidationArray=o}else{if(this._isRenderCameraDepthArray(e)){r.bindFramebuffer(t.FRAMEBUFFER,T);const s=this.renderer._activeCubeFace,i=this.get(e.depthTexture),n=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;t.framebufferTextureLayer(t.FRAMEBUFFER,n,i.textureGPU,0,s)}if((h||b||i.multiview)&&!0!==i._isOpaqueFramebuffer){r.bindFramebuffer(t.FRAMEBUFFER,T);const s=this.get(e.textures[0]);i.multiview?y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,s.textureGPU,0,a,0,2):b?f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,s.textureGPU,0,a):t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,s.textureGPU,0);const o=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;if(!0===i._autoAllocateDepthBuffer){const e=n.xrDepthRenderbuffer;t.bindRenderbuffer(t.RENDERBUFFER,e),t.framebufferRenderbuffer(t.FRAMEBUFFER,o,t.RENDERBUFFER,e)}else{const r=this.get(e.depthTexture);i.multiview?y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,o,r.textureGPU,0,a,0,2):b?f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,o,t.TEXTURE_2D,r.textureGPU,0,a):t.framebufferTexture2D(t.FRAMEBUFFER,o,t.TEXTURE_2D,r.textureGPU,0)}}}if(a>0&&!1===b&&!i.multiview){if(void 0===g){const s=[];g=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,g);const i=[],l=e.textures;for(let r=0;r<l.length;r++){i[r]=t.createRenderbuffer(),t.bindRenderbuffer(t.RENDERBUFFER,i[r]),s.push(t.COLOR_ATTACHMENT0+r);const n=e.textures[r],o=this.get(n);t.renderbufferStorageMultisample(t.RENDERBUFFER,a,o.glInternalFormat,e.width,e.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+r,t.RENDERBUFFER,i[r])}if(t.bindRenderbuffer(t.RENDERBUFFER,null),n.msaaFrameBuffer=g,n.msaaRenderbuffers=i,o&&void 0===m){m=t.createRenderbuffer(),this.textureUtils.setupRenderBufferStorage(m,e,a),n.depthRenderbuffer=m;const r=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;s.push(r)}n.invalidationArray=s}s=n.msaaFrameBuffer}else s=T;r.drawBuffers(e,T)}r.bindFramebuffer(t.FRAMEBUFFER,s)}_getVaoKey(e){let t="";for(let r=0;r<e.length;r++){t+=":"+this.get(e[r]).id}return t}_createVao(e){const{gl:t}=this,r=t.createVertexArray();t.bindVertexArray(r);for(let r=0;r<e.length;r++){const s=e[r],i=this.get(s);let n,a;t.bindBuffer(t.ARRAY_BUFFER,i.bufferGPU),t.enableVertexAttribArray(r),!0===s.isInterleavedBufferAttribute?(n=s.data.stride*i.bytesPerElement,a=s.offset*i.bytesPerElement):(n=0,a=0),i.isInteger?t.vertexAttribIPointer(r,s.itemSize,i.type,n,a):t.vertexAttribPointer(r,s.itemSize,i.type,s.normalized,n,a),s.isInstancedBufferAttribute&&!s.isInterleavedBufferAttribute?t.vertexAttribDivisor(r,s.meshPerAttribute):s.isInterleavedBufferAttribute&&s.data.isInstancedInterleavedBuffer&&t.vertexAttribDivisor(r,s.data.meshPerAttribute)}return t.bindBuffer(t.ARRAY_BUFFER,null),r}_getTransformFeedback(e){let t="";for(let r=0;r<e.length;r++)t+=":"+e[r].id;let r=this.transformFeedbackCache[t];if(void 0!==r)return r;const{gl:s}=this;r=s.createTransformFeedback(),s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,r);for(let t=0;t<e.length;t++){const r=e[t];s.bindBufferBase(s.TRANSFORM_FEEDBACK_BUFFER,t,r.transformBuffer)}return s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,null),this.transformFeedbackCache[t]=r,r}_setupBindings(e,t){const r=this.gl;for(const s of e)for(const e of s.bindings){const s=this.get(e).index;if(e.isUniformsGroup||e.isUniformBuffer){const i=r.getUniformBlockIndex(t,e.name);r.uniformBlockBinding(t,i,s)}else if(e.isSampledTexture){const i=r.getUniformLocation(t,e.name);r.uniform1i(i,s)}}}_bindUniforms(e){const{gl:t,state:r}=this;for(const s of e)for(const e of s.bindings){const s=this.get(e),i=s.index;e.isUniformsGroup||e.isUniformBuffer?r.bindBufferBase(t.UNIFORM_BUFFER,i,s.bufferGPU):e.isSampledTexture&&r.bindTexture(s.glTextureType,s.textureGPU,t.TEXTURE0+i)}}_resolveRenderTarget(e){const{gl:t,state:r}=this,s=e.renderTarget;if(null!==e.textures&&s){const i=this.get(s);if(s.samples>0&&!1===this._useMultisampledExtension(s)){const n=i.framebuffers[e.getCacheKey()];let a=t.COLOR_BUFFER_BIT;s.resolveDepthBuffer&&(s.depthBuffer&&(a|=t.DEPTH_BUFFER_BIT),s.stencilBuffer&&s.resolveStencilBuffer&&(a|=t.STENCIL_BUFFER_BIT));const o=i.msaaFrameBuffer,u=i.msaaRenderbuffers,l=e.textures,d=l.length>1;if(r.bindFramebuffer(t.READ_FRAMEBUFFER,o),r.bindFramebuffer(t.DRAW_FRAMEBUFFER,n),d)for(let e=0;e<l.length;e++)t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,null),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,null,0);for(let r=0;r<l.length;r++){if(d){const{textureGPU:e}=this.get(l[r]);t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.RENDERBUFFER,u[r]),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,e,0)}if(e.scissor){const{x:r,y:s,width:i,height:n}=e.scissorValue,o=e.height-n-s;t.blitFramebuffer(r,o,r+i,o+n,r,o,r+i,o+n,a,t.NEAREST)}else t.blitFramebuffer(0,0,e.width,e.height,0,0,e.width,e.height,a,t.NEAREST)}if(d)for(let e=0;e<l.length;e++){const{textureGPU:r}=this.get(l[e]);t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,u[e]),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,r,0)}!0===this._supportsInvalidateFramebuffer&&t.invalidateFramebuffer(t.READ_FRAMEBUFFER,i.invalidationArray)}else if(!1===s.resolveDepthBuffer&&i.framebuffers){const s=i.framebuffers[e.getCacheKey()];r.bindFramebuffer(t.DRAW_FRAMEBUFFER,s),t.invalidateFramebuffer(t.DRAW_FRAMEBUFFER,i.depthInvalidationArray)}}}_useMultisampledExtension(e){return!0===e.multiview||e.samples>0&&!0===this.extensions.has("WEBGL_multisampled_render_to_texture")&&!1!==e._autoAllocateDepthBuffer}dispose(){null!==this.textureUtils&&this.textureUtils.dispose();const e=this.extensions.get("WEBGL_lose_context");e&&e.loseContext(),this.renderer.domElement.removeEventListener("webglcontextlost",this._onContextLost)}}const DR="point-list",UR="line-list",IR="line-strip",OR="triangle-list",VR="undefined"!=typeof self&&self.GPUShaderStage?self.GPUShaderStage:{VERTEX:1,FRAGMENT:2,COMPUTE:4},kR="never",GR="less",zR="equal",$R="less-equal",WR="greater",HR="not-equal",qR="greater-equal",jR="always",XR="store",KR="load",YR="clear",QR="ccw",ZR="cw",JR="none",eE="back",tE="uint16",rE="uint32",sE="r8unorm",iE="r8snorm",nE="r8uint",aE="r8sint",oE="r16uint",uE="r16sint",lE="r16float",dE="rg8unorm",cE="rg8snorm",hE="rg8uint",pE="rg8sint",gE="r32uint",mE="r32sint",fE="r32float",yE="rg16uint",bE="rg16sint",xE="rg16float",TE="rgba8unorm",_E="rgba8unorm-srgb",vE="rgba8snorm",NE="rgba8uint",SE="rgba8sint",RE="bgra8unorm",EE="bgra8unorm-srgb",AE="rgb9e5ufloat",wE="rgb10a2unorm",CE="rg11b10ufloat",ME="rg32uint",BE="rg32sint",FE="rg32float",LE="rgba16uint",PE="rgba16sint",DE="rgba16float",UE="rgba32uint",IE="rgba32sint",OE="rgba32float",VE="depth16unorm",kE="depth24plus",GE="depth24plus-stencil8",zE="depth32float",$E="depth32float-stencil8",WE="bc1-rgba-unorm",HE="bc1-rgba-unorm-srgb",qE="bc2-rgba-unorm",jE="bc2-rgba-unorm-srgb",XE="bc3-rgba-unorm",KE="bc3-rgba-unorm-srgb",YE="bc4-r-unorm",QE="bc4-r-snorm",ZE="bc5-rg-unorm",JE="bc5-rg-snorm",eA="bc6h-rgb-ufloat",tA="bc6h-rgb-float",rA="bc7-rgba-unorm",sA="bc7-rgba-unorm-srgb",iA="etc2-rgb8unorm",nA="etc2-rgb8unorm-srgb",aA="etc2-rgb8a1unorm",oA="etc2-rgb8a1unorm-srgb",uA="etc2-rgba8unorm",lA="etc2-rgba8unorm-srgb",dA="eac-r11unorm",cA="eac-r11snorm",hA="eac-rg11unorm",pA="eac-rg11snorm",gA="astc-4x4-unorm",mA="astc-4x4-unorm-srgb",fA="astc-5x4-unorm",yA="astc-5x4-unorm-srgb",bA="astc-5x5-unorm",xA="astc-5x5-unorm-srgb",TA="astc-6x5-unorm",_A="astc-6x5-unorm-srgb",vA="astc-6x6-unorm",NA="astc-6x6-unorm-srgb",SA="astc-8x5-unorm",RA="astc-8x5-unorm-srgb",EA="astc-8x6-unorm",AA="astc-8x6-unorm-srgb",wA="astc-8x8-unorm",CA="astc-8x8-unorm-srgb",MA="astc-10x5-unorm",BA="astc-10x5-unorm-srgb",FA="astc-10x6-unorm",LA="astc-10x6-unorm-srgb",PA="astc-10x8-unorm",DA="astc-10x8-unorm-srgb",UA="astc-10x10-unorm",IA="astc-10x10-unorm-srgb",OA="astc-12x10-unorm",VA="astc-12x10-unorm-srgb",kA="astc-12x12-unorm",GA="astc-12x12-unorm-srgb",zA="clamp-to-edge",$A="repeat",WA="mirror-repeat",HA="linear",qA="nearest",jA="zero",XA="one",KA="src",YA="one-minus-src",QA="src-alpha",ZA="one-minus-src-alpha",JA="dst",ew="one-minus-dst",tw="dst-alpha",rw="one-minus-dst-alpha",sw="src-alpha-saturated",iw="constant",nw="one-minus-constant",aw="add",ow="subtract",uw="reverse-subtract",lw="min",dw="max",cw=0,hw=15,pw="keep",gw="zero",mw="replace",fw="invert",yw="increment-clamp",bw="decrement-clamp",xw="increment-wrap",Tw="decrement-wrap",_w="storage",vw="read-only-storage",Nw="write-only",Sw="read-only",Rw="read-write",Ew="non-filtering",Aw="comparison",ww="float",Cw="unfilterable-float",Mw="depth",Bw="sint",Fw="uint",Lw="2d",Pw="3d",Dw="2d",Uw="2d-array",Iw="cube",Ow="3d",Vw="all",kw="vertex",Gw="instance",zw={CoreFeaturesAndLimits:"core-features-and-limits",DepthClipControl:"depth-clip-control",Depth32FloatStencil8:"depth32float-stencil8",TextureCompressionBC:"texture-compression-bc",TextureCompressionBCSliced3D:"texture-compression-bc-sliced-3d",TextureCompressionETC2:"texture-compression-etc2",TextureCompressionASTC:"texture-compression-astc",TextureCompressionASTCSliced3D:"texture-compression-astc-sliced-3d",TimestampQuery:"timestamp-query",IndirectFirstInstance:"indirect-first-instance",ShaderF16:"shader-f16",RG11B10UFloat:"rg11b10ufloat-renderable",BGRA8UNormStorage:"bgra8unorm-storage",Float32Filterable:"float32-filterable",Float32Blendable:"float32-blendable",ClipDistances:"clip-distances",DualSourceBlending:"dual-source-blending",Subgroups:"subgroups",TextureFormatsTier1:"texture-formats-tier1",TextureFormatsTier2:"texture-formats-tier2"},$w={"texture-compression-s3tc":"texture-compression-bc","texture-compression-etc1":"texture-compression-etc2"};class Ww extends ZS{constructor(e,t,r){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update()}}class Hw extends HS{constructor(e,t){super(e,t?t.array:null),this._attribute=t,this.isStorageBuffer=!0}get attribute(){return this._attribute}}let qw=0;class jw extends Hw{constructor(e,t){super("StorageBuffer_"+qw++,e?e.value:null),this.nodeUniform=e,this.access=e?e.access:ti.READ_WRITE,this.groupNode=t}get attribute(){return this.nodeUniform.value}get buffer(){return this.nodeUniform.value.array}}class Xw extends yy{constructor(e){super(),this.device=e;this.mipmapSampler=e.createSampler({minFilter:HA}),this.flipYSampler=e.createSampler({minFilter:qA}),this.flipUniformBuffer=e.createBuffer({size:4,usage:GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST}),e.queue.writeBuffer(this.flipUniformBuffer,0,new Uint32Array([1])),this.noFlipUniformBuffer=e.createBuffer({size:4,usage:GPUBufferUsage.UNIFORM}),this.transferPipelines={},this.mipmapShaderModule=e.createShaderModule({label:"mipmap",code:"\nstruct VarysStruct {\n\t@builtin( position ) Position: vec4f,\n\t@location( 0 ) vTex : vec2f,\n\t@location( 1 ) @interpolate(flat, either) vBaseArrayLayer: u32,\n};\n\n@group( 0 ) @binding ( 2 )\nvar<uniform> flipY: u32;\n\n@vertex\nfn mainVS(\n\t\t@builtin( vertex_index ) vertexIndex : u32,\n\t\t@builtin( instance_index ) instanceIndex : u32 ) -> VarysStruct {\n\n\tvar Varys : VarysStruct;\n\n\tvar pos = array(\n\t\tvec2f( -1, -1 ),\n\t\tvec2f( -1,  3 ),\n\t\tvec2f(  3, -1 ),\n\t);\n\n\tlet p = pos[ vertexIndex ];\n\tlet mult = select( vec2f( 0.5, -0.5 ), vec2f( 0.5, 0.5 ), flipY != 0 );\n\tVarys.vTex = p * mult + vec2f( 0.5 );\n\tVarys.Position = vec4f( p, 0, 1 );\n\tVarys.vBaseArrayLayer = instanceIndex;\n\n\treturn Varys;\n\n}\n\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img2d : texture_2d<f32>;\n\n@fragment\nfn main_2d( Varys: VarysStruct ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img2d, imgSampler, Varys.vTex );\n\n}\n\n@group( 0 ) @binding( 1 )\nvar img2dArray : texture_2d_array<f32>;\n\n@fragment\nfn main_2d_array( Varys: VarysStruct ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img2dArray, imgSampler, Varys.vTex, Varys.vBaseArrayLayer );\n\n}\n\nconst faceMat = array(\n  mat3x3f(  0,  0,  -2,  0, -2,   0,  1,  1,   1 ),   // pos-x\n  mat3x3f(  0,  0,   2,  0, -2,   0, -1,  1,  -1 ),   // neg-x\n  mat3x3f(  2,  0,   0,  0,  0,   2, -1,  1,  -1 ),   // pos-y\n  mat3x3f(  2,  0,   0,  0,  0,  -2, -1, -1,   1 ),   // neg-y\n  mat3x3f(  2,  0,   0,  0, -2,   0, -1,  1,   1 ),   // pos-z\n  mat3x3f( -2,  0,   0,  0, -2,   0,  1,  1,  -1 ),   // neg-z\n);\n\n@group( 0 ) @binding( 1 )\nvar imgCube : texture_cube<f32>;\n\n@fragment\nfn main_cube( Varys: VarysStruct ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( imgCube, imgSampler, faceMat[ Varys.vBaseArrayLayer ] * vec3f( fract( Varys.vTex ), 1 ) );\n\n}\n"})}getTransferPipeline(e,t){const r=`${e}-${t=t||"2d-array"}`;let s=this.transferPipelines[r];return void 0===s&&(s=this.device.createRenderPipeline({label:`mipmap-${e}-${t}`,vertex:{module:this.mipmapShaderModule},fragment:{module:this.mipmapShaderModule,entryPoint:`main_${t.replace("-","_")}`,targets:[{format:e}]},layout:"auto"}),this.transferPipelines[r]=s),s}flipY(e,t,r=0){const s=t.format,{width:i,height:n}=t.size,a=this.device.createTexture({size:{width:i,height:n},format:s,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING}),o=this.getTransferPipeline(s,e.textureBindingViewDimension),u=this.getTransferPipeline(s,a.textureBindingViewDimension),l=this.device.createCommandEncoder({}),d=(e,t,r,s,i,n)=>{const a=e.getBindGroupLayout(0),o=this.device.createBindGroup({layout:a,entries:[{binding:0,resource:this.flipYSampler},{binding:1,resource:t.createView({dimension:t.textureBindingViewDimension||"2d-array",baseMipLevel:0,mipLevelCount:1})},{binding:2,resource:{buffer:n?this.flipUniformBuffer:this.noFlipUniformBuffer}}]}),u=l.beginRenderPass({colorAttachments:[{view:s.createView({dimension:"2d",baseMipLevel:0,mipLevelCount:1,baseArrayLayer:i,arrayLayerCount:1}),loadOp:YR,storeOp:XR}]});u.setPipeline(e),u.setBindGroup(0,o),u.draw(3,1,0,r),u.end()};d(o,e,r,a,0,!1),d(u,a,0,e,r,!0),this.device.queue.submit([l.finish()]),a.destroy()}generateMipmaps(e,t=null){const r=this.get(e),s=r.layers||this._mipmapCreateBundles(e),i=t||this.device.createCommandEncoder({label:"mipmapEncoder"});this._mipmapRunBundles(i,s),null===t&&this.device.queue.submit([i.finish()]),r.layers=s}_mipmapCreateBundles(e){const t=e.textureBindingViewDimension||"2d-array",r=this.getTransferPipeline(e.format,t),s=r.getBindGroupLayout(0),i=[];for(let n=1;n<e.mipLevelCount;n++)for(let a=0;a<e.depthOrArrayLayers;a++){const o=this.device.createBindGroup({layout:s,entries:[{binding:0,resource:this.mipmapSampler},{binding:1,resource:e.createView({dimension:t,baseMipLevel:n-1,mipLevelCount:1})},{binding:2,resource:{buffer:this.noFlipUniformBuffer}}]}),u={colorAttachments:[{view:e.createView({dimension:"2d",baseMipLevel:n,mipLevelCount:1,baseArrayLayer:a,arrayLayerCount:1}),loadOp:YR,storeOp:XR}]},l=this.device.createRenderBundleEncoder({colorFormats:[e.format]});l.setPipeline(r),l.setBindGroup(0,o),l.draw(3,1,0,a),i.push({renderBundles:[l.finish()],passDescriptor:u})}return i}_mipmapRunBundles(e,t){const r=t.length;for(let s=0;s<r;s++){const r=t[s],i=e.beginRenderPass(r.passDescriptor);i.executeBundles(r.renderBundles),i.end()}}}const Kw={[Wr]:"never",[A]:"less",[zr]:"equal",[Qe]:"less-equal",[kr]:"greater",[Gr]:"greater-equal",[$r]:"always",[Vr]:"not-equal"},Yw=[0,1,3,2,4,5];class Qw{constructor(e){this.backend=e,this._passUtils=null,this.defaultTexture={},this.defaultCubeTexture={},this.defaultVideoFrame=null,this._samplerCache=new Map}updateSampler(e){const t=this.backend,r=e.minFilter+"-"+e.magFilter+"-"+e.wrapS+"-"+e.wrapT+"-"+(e.wrapR||"0")+"-"+e.anisotropy+"-"+(e.compareFunction||0);let s=this._samplerCache.get(r);if(void 0===s){const i={addressModeU:this._convertAddressMode(e.wrapS),addressModeV:this._convertAddressMode(e.wrapT),addressModeW:this._convertAddressMode(e.wrapR),magFilter:this._convertFilterMode(e.magFilter),minFilter:this._convertFilterMode(e.minFilter),mipmapFilter:this._convertFilterMode(e.minFilter),maxAnisotropy:1};e.isDepthTexture&&null===e.compareFunction&&(i.magFilter=qA,i.minFilter=qA,i.mipmapFilter=qA),i.magFilter===HA&&i.minFilter===HA&&i.mipmapFilter===HA&&(i.maxAnisotropy=e.anisotropy),e.isDepthTexture&&null!==e.compareFunction&&t.hasCompatibility(E.TEXTURE_COMPARE)&&(i.compare=Kw[e.compareFunction]);s={sampler:t.device.createSampler(i),usedTimes:0},this._samplerCache.set(r,s)}const i=t.get(e);if(i.sampler!==s.sampler){if(void 0!==i.sampler){const e=this._samplerCache.get(i.samplerKey);e.usedTimes--,0===e.usedTimes&&this._samplerCache.delete(i.samplerKey)}i.samplerKey=r,i.sampler=s.sampler,s.usedTimes++}return r}createDefaultTexture(e){let t;const r=Zw(e);t=e.isCubeTexture?this._getDefaultCubeTextureGPU(r):this._getDefaultTextureGPU(r),this.backend.get(e).texture=t}createTexture(e,t={}){const r=this.backend,s=r.get(e);if(s.initialized)throw new Error("WebGPUTextureUtils: Texture already initialized.");if(e.isExternalTexture)return s.texture=e.sourceTexture,void(s.initialized=!0);void 0===t.needsMipmaps&&(t.needsMipmaps=!1),void 0===t.levels&&(t.levels=1),void 0===t.depth&&(t.depth=1);const{width:i,height:n,depth:a,levels:o}=t;e.isFramebufferTexture&&(t.renderTarget?t.format=this.backend.utils.getCurrentColorFormat(t.renderTarget):t.format=this.backend.utils.getPreferredCanvasFormat());const u=this._getDimension(e),l=e.internalFormat||t.format||Zw(e,r.device);s.format=l;const{samples:c,primarySamples:h,isMSAA:p}=r.utils.getTextureSampleData(e);let g=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.COPY_SRC;!0===e.isStorageTexture&&(g|=GPUTextureUsage.STORAGE_BINDING),!0!==e.isCompressedTexture&&!0!==e.isCompressedArrayTexture&&l!==AE&&(g|=GPUTextureUsage.RENDER_ATTACHMENT);const m={label:e.name,size:{width:i,height:n,depthOrArrayLayers:a},mipLevelCount:o,sampleCount:h,dimension:u,format:l,usage:g};if(void 0===l)return d("WebGPURenderer: Texture format not supported."),void this.createDefaultTexture(e);e.isCubeTexture&&(m.textureBindingViewDimension=Iw);try{s.texture=r.device.createTexture(m)}catch(t){return d("WebGPURenderer: Failed to create texture with descriptor:",m),void this.createDefaultTexture(e)}if(p){const e=Object.assign({},m);e.label=e.label+"-msaa",e.sampleCount=c,e.mipLevelCount=1,s.msaaTexture=r.device.createTexture(e)}s.initialized=!0,s.textureDescriptorGPU=m}destroyTexture(e,t=!1){const r=this.backend,s=r.get(e);void 0!==s.texture&&!1===t&&s.texture.destroy(),void 0!==s.msaaTexture&&s.msaaTexture.destroy(),r.delete(e)}generateMipmaps(e,t=null){const r=this.backend.get(e);this._generateMipmaps(r.texture,t)}getColorBuffer(){const e=this.backend,t=e.renderer.getCanvasTarget(),{width:r,height:s}=e.getDrawingBufferSize(),i=e.renderer.currentSamples,n=t.colorTexture,a=e.get(n);if(n.width===r&&n.height===s&&n.samples===i)return a.texture;let o=a.texture;return o&&o.destroy(),o=e.device.createTexture({label:"colorBuffer",size:{width:r,height:s,depthOrArrayLayers:1},sampleCount:e.utils.getSampleCount(e.renderer.currentSamples),format:e.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC}),n.source.width=r,n.source.height=s,n.samples=i,a.texture=o,o}getDepthBuffer(e=!0,t=!1){const r=this.backend,s=r.renderer.getCanvasTarget(),{width:i,height:n}=r.getDrawingBufferSize(),a=r.renderer.currentSamples,o=s.depthTexture;if(o.width===i&&o.height===n&&o.samples===a&&o.depth===e&&o.stencil===t)return r.get(o).texture;const u=r.get(o).texture;let l,d;if(t?(l=Ue,d=Oe):e&&(l=Ie,d=S),void 0!==u){if(o.image.width===i&&o.image.height===n&&o.format===l&&o.type===d&&o.samples===a)return u;this.destroyTexture(o)}return o.name="depthBuffer",o.format=l,o.type=d,o.image.width=i,o.image.height=n,o.samples=a,this.createTexture(o,{width:i,height:n}),r.get(o).texture}updateTexture(e,t){const r=this.backend.get(e),s=e.mipmaps,{textureDescriptorGPU:i}=r;if(!e.isRenderTargetTexture&&void 0!==i){if(e.isDataTexture)if(s.length>0)for(let t=0,n=s.length;t<n;t++){const n=s[t];this._copyBufferToTexture(n,r.texture,i,0,e.flipY,0,t)}else this._copyBufferToTexture(t.image,r.texture,i,0,e.flipY);else if(e.isArrayTexture||e.isDataArrayTexture||e.isData3DTexture)for(let s=0;s<t.image.depth;s++)this._copyBufferToTexture(t.image,r.texture,i,s,e.flipY,s);else if(e.isCompressedTexture||e.isCompressedArrayTexture)this._copyCompressedBufferToTexture(e.mipmaps,r.texture,i);else if(e.isCubeTexture)this._copyCubeMapToTexture(e,r.texture,i);else if(s.length>0)for(let t=0,n=s.length;t<n;t++){const n=s[t];this._copyImageToTexture(n,r.texture,i,0,e.flipY,e.premultiplyAlpha,t)}else this._copyImageToTexture(t.image,r.texture,i,0,e.flipY,e.premultiplyAlpha);r.version=e.version}}async copyTextureToBuffer(e,t,r,s,i,n){const a=this.backend.device,o=this.backend.get(e),u=o.texture,l=o.textureDescriptorGPU.format,d=this._getBytesPerTexel(l);let c=s*d;c=256*Math.ceil(c/256);const h=a.createBuffer({size:(i-1)*c+s*d,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ}),p=a.createCommandEncoder();p.copyTextureToBuffer({texture:u,origin:{x:t,y:r,z:n}},{buffer:h,bytesPerRow:c},{width:s,height:i});const g=this._getTypedArrayType(l);a.queue.submit([p.finish()]),await h.mapAsync(GPUMapMode.READ);return new g(h.getMappedRange())}dispose(){this._samplerCache.clear()}_getDefaultTextureGPU(e){let t=this.defaultTexture[e];if(void 0===t){const r=new N;r.minFilter=w,r.magFilter=w,this.createTexture(r,{width:1,height:1,format:e}),this.defaultTexture[e]=t=r}return this.backend.get(t).texture}_getDefaultCubeTextureGPU(e){let t=this.defaultCubeTexture[e];if(void 0===t){const r=new L;r.minFilter=w,r.magFilter=w,this.createTexture(r,{width:1,height:1,depth:6}),this.defaultCubeTexture[e]=t=r}return this.backend.get(t).texture}_copyCubeMapToTexture(e,t,r){const s=e.images,i=e.mipmaps;for(let n=0;n<6;n++){const a=s[n],o=!0===e.flipY?Yw[n]:n;a.isDataTexture?this._copyBufferToTexture(a.image,t,r,o,e.flipY):this._copyImageToTexture(a,t,r,o,e.flipY,e.premultiplyAlpha);for(let s=0;s<i.length;s++){const a=i[s].images[n];a.isDataTexture?this._copyBufferToTexture(a.image,t,r,o,e.flipY,0,s+1):this._copyImageToTexture(a,t,r,o,e.flipY,e.premultiplyAlpha,s+1)}}}_copyImageToTexture(e,t,r,s,i,n,a=0){const o=this.backend.device,u=a>0?e.width:r.size.width,l=a>0?e.height:r.size.height;try{o.queue.copyExternalImageToTexture({source:e,flipY:i},{texture:t,mipLevel:a,origin:{x:0,y:0,z:s},premultipliedAlpha:n},{width:u,height:l,depthOrArrayLayers:1})}catch(e){}}_getPassUtils(){let e=this._passUtils;return null===e&&(this._passUtils=e=new Xw(this.backend.device)),e}_generateMipmaps(e,t=null){this._getPassUtils().generateMipmaps(e,t)}_flipY(e,t,r=0){this._getPassUtils().flipY(e,t,r)}_copyBufferToTexture(e,t,r,s,i,n=0,a=0){const o=this.backend.device,u=e.data,l=this._getBytesPerTexel(r.format),d=e.width*l;o.queue.writeTexture({texture:t,mipLevel:a,origin:{x:0,y:0,z:s}},u,{offset:e.width*e.height*l*n,bytesPerRow:d},{width:e.width,height:e.height,depthOrArrayLayers:1}),!0===i&&this._flipY(t,r,s)}_copyCompressedBufferToTexture(e,t,r){const s=this.backend.device,i=this._getBlockData(r.format),n=r.size.depthOrArrayLayers>1;for(let a=0;a<e.length;a++){const o=e[a],u=o.width,l=o.height,d=n?r.size.depthOrArrayLayers:1,c=Math.ceil(u/i.width)*i.byteLength,h=c*Math.ceil(l/i.height);for(let e=0;e<d;e++)s.queue.writeTexture({texture:t,mipLevel:a,origin:{x:0,y:0,z:e}},o.data,{offset:e*h,bytesPerRow:c,rowsPerImage:Math.ceil(l/i.height)},{width:Math.ceil(u/i.width)*i.width,height:Math.ceil(l/i.height)*i.height,depthOrArrayLayers:1})}}_getBlockData(e){return e===WE||e===HE?{byteLength:8,width:4,height:4}:e===qE||e===jE||e===XE||e===KE?{byteLength:16,width:4,height:4}:e===YE||e===QE?{byteLength:8,width:4,height:4}:e===ZE||e===JE||e===eA||e===tA||e===rA||e===sA?{byteLength:16,width:4,height:4}:e===iA||e===nA||e===aA||e===oA?{byteLength:8,width:4,height:4}:e===uA||e===lA?{byteLength:16,width:4,height:4}:e===dA||e===cA?{byteLength:8,width:4,height:4}:e===hA||e===pA||e===gA||e===mA?{byteLength:16,width:4,height:4}:e===fA||e===yA?{byteLength:16,width:5,height:4}:e===bA||e===xA?{byteLength:16,width:5,height:5}:e===TA||e===_A?{byteLength:16,width:6,height:5}:e===vA||e===NA?{byteLength:16,width:6,height:6}:e===SA||e===RA?{byteLength:16,width:8,height:5}:e===EA||e===AA?{byteLength:16,width:8,height:6}:e===wA||e===CA?{byteLength:16,width:8,height:8}:e===MA||e===BA?{byteLength:16,width:10,height:5}:e===FA||e===LA?{byteLength:16,width:10,height:6}:e===PA||e===DA?{byteLength:16,width:10,height:8}:e===UA||e===IA?{byteLength:16,width:10,height:10}:e===OA||e===VA?{byteLength:16,width:12,height:10}:e===kA||e===GA?{byteLength:16,width:12,height:12}:void 0}_convertAddressMode(e){let t=zA;return e===Ir?t=$A:e===Ur&&(t=WA),t}_convertFilterMode(e){let t=HA;return e!==w&&e!==Or&&e!==it||(t=qA),t}_getBytesPerTexel(e){return e===sE||e===iE||e===nE||e===aE?1:e===oE||e===uE||e===lE||e===dE||e===cE||e===hE||e===pE?2:e===gE||e===mE||e===fE||e===yE||e===bE||e===xE||e===TE||e===_E||e===vE||e===NE||e===SE||e===RE||e===EE||e===AE||e===wE||e===CE||e===zE||e===kE||e===GE||e===$E?4:e===ME||e===BE||e===FE||e===LE||e===PE||e===DE?8:e===UE||e===IE||e===OE?16:void 0}_getTypedArrayType(e){return e===nE?Uint8Array:e===aE?Int8Array:e===sE?Uint8Array:e===iE?Int8Array:e===hE?Uint8Array:e===pE?Int8Array:e===dE?Uint8Array:e===cE?Int8Array:e===NE?Uint8Array:e===SE?Int8Array:e===TE||e===_E?Uint8Array:e===vE?Int8Array:e===oE?Uint16Array:e===uE?Int16Array:e===yE?Uint16Array:e===bE?Int16Array:e===LE?Uint16Array:e===PE?Int16Array:e===lE||e===xE||e===DE?Uint16Array:e===gE?Uint32Array:e===mE?Int32Array:e===fE?Float32Array:e===ME?Uint32Array:e===BE?Int32Array:e===FE?Float32Array:e===UE?Uint32Array:e===IE?Int32Array:e===OE?Float32Array:e===RE||e===EE?Uint8Array:e===wE||e===AE||e===CE?Uint32Array:e===zE?Float32Array:e===kE||e===GE?Uint32Array:e===$E?Float32Array:void 0}_getDimension(e){let t;return t=e.is3DTexture||e.isData3DTexture?Pw:Lw,t}}function Zw(e,t=null){const r=e.format,s=e.type,i=e.colorSpace,n=p.getTransfer(i);let a;if(!0===e.isCompressedTexture||!0===e.isCompressedArrayTexture)switch(r){case ir:case nr:a=n===g?HE:WE;break;case ar:a=n===g?jE:qE;break;case or:a=n===g?KE:XE;break;case Lr:a=YE;break;case Pr:a=QE;break;case z:a=ZE;break;case Dr:a=JE;break;case Fr:a=n===g?sA:rA;break;case pr:case hr:a=n===g?nA:iA;break;case gr:a=n===g?lA:uA;break;case mr:a=dA;break;case fr:a=cA;break;case $:a=hA;break;case yr:a=pA;break;case br:a=n===g?mA:gA;break;case xr:a=n===g?yA:fA;break;case Tr:a=n===g?xA:bA;break;case _r:a=n===g?_A:TA;break;case vr:a=n===g?NA:vA;break;case Nr:a=n===g?RA:SA;break;case Sr:a=n===g?AA:EA;break;case Rr:a=n===g?CA:wA;break;case Er:a=n===g?BA:MA;break;case Ar:a=n===g?LA:FA;break;case wr:a=n===g?DA:PA;break;case Cr:a=n===g?IA:UA;break;case Mr:a=n===g?VA:OA;break;case Br:a=n===g?GA:kA;break;case Se:a=n===g?_E:TE;break;default:o("WebGPURenderer: Unsupported texture format.",r)}else switch(r){case Se:switch(s){case _t:a=vE;break;case Tt:a=PE;break;case vt:a=LE;break;case S:a=UE;break;case R:a=IE;break;case Ve:a=n===g?_E:TE;break;case be:a=DE;break;case j:a=OE;break;default:o("WebGPURenderer: Unsupported texture type with RGBAFormat.",s)}break;case Rt:switch(s){case tr:a=AE;break;case rr:a=CE;break;default:o("WebGPURenderer: Unsupported texture type with RGBFormat.",s)}break;case xt:switch(s){case _t:a=iE;break;case Tt:a=uE;break;case vt:a=oE;break;case S:a=gE;break;case R:a=mE;break;case Ve:a=sE;break;case be:a=lE;break;case j:a=fE;break;default:o("WebGPURenderer: Unsupported texture type with RedFormat.",s)}break;case G:switch(s){case _t:a=cE;break;case Tt:a=bE;break;case vt:a=yE;break;case S:a=ME;break;case R:a=BE;break;case Ve:a=dE;break;case be:a=xE;break;case j:a=FE;break;default:o("WebGPURenderer: Unsupported texture type with RGFormat.",s)}break;case Ie:switch(s){case vt:a=VE;break;case S:a=kE;break;case j:a=zE;break;default:o("WebGPURenderer: Unsupported texture type with DepthFormat.",s)}break;case Ue:switch(s){case Oe:a=GE;break;case j:t&&!1===t.features.has(zw.Depth32FloatStencil8)&&o('WebGPURenderer: Depth textures with DepthStencilFormat + FloatType can only be used with the "depth32float-stencil8" GPU feature.'),a=$E;break;default:o("WebGPURenderer: Unsupported texture type with DepthStencilFormat.",s)}break;case bt:switch(s){case R:a=mE;break;case S:a=gE;break;default:o("WebGPURenderer: Unsupported texture type with RedIntegerFormat.",s)}break;case Nt:switch(s){case R:a=BE;break;case S:a=ME;break;default:o("WebGPURenderer: Unsupported texture type with RGIntegerFormat.",s)}break;case Et:switch(s){case R:a=IE;break;case S:a=UE;break;default:o("WebGPURenderer: Unsupported texture type with RGBAIntegerFormat.",s)}break;default:o("WebGPURenderer: Unsupported texture format.",r)}return a}const Jw=/^[fn]*\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)\s*[\-\>]*\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/i,eC=/([a-z_0-9]+)\s*:\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/gi,tC={f32:"float",i32:"int",u32:"uint",bool:"bool","vec2<f32>":"vec2","vec2<i32>":"ivec2","vec2<u32>":"uvec2","vec2<bool>":"bvec2",vec2f:"vec2",vec2i:"ivec2",vec2u:"uvec2",vec2b:"bvec2","vec3<f32>":"vec3","vec3<i32>":"ivec3","vec3<u32>":"uvec3","vec3<bool>":"bvec3",vec3f:"vec3",vec3i:"ivec3",vec3u:"uvec3",vec3b:"bvec3","vec4<f32>":"vec4","vec4<i32>":"ivec4","vec4<u32>":"uvec4","vec4<bool>":"bvec4",vec4f:"vec4",vec4i:"ivec4",vec4u:"uvec4",vec4b:"bvec4","mat2x2<f32>":"mat2",mat2x2f:"mat2","mat3x3<f32>":"mat3",mat3x3f:"mat3","mat4x4<f32>":"mat4",mat4x4f:"mat4",sampler:"sampler",texture_1d:"texture",texture_2d:"texture",texture_2d_array:"texture",texture_multisampled_2d:"cubeTexture",texture_depth_2d:"depthTexture",texture_depth_2d_array:"depthTexture",texture_depth_multisampled_2d:"depthTexture",texture_depth_cube:"depthTexture",texture_depth_cube_array:"depthTexture",texture_3d:"texture3D",texture_cube:"cubeTexture",texture_cube_array:"cubeTexture",texture_storage_1d:"storageTexture",texture_storage_2d:"storageTexture",texture_storage_2d_array:"storageTexture",texture_storage_3d:"storageTexture"};class rC extends nS{constructor(e){const{type:t,inputs:r,name:s,inputsCode:i,blockCode:n,outputType:a}=(e=>{const t=(e=e.trim()).match(Jw);if(null!==t&&4===t.length){const r=t[2],s=[];let i=null;for(;null!==(i=eC.exec(r));)s.push({name:i[1],type:i[2]});const n=[];for(let e=0;e<s.length;e++){const{name:t,type:r}=s[e];let i=r;i.startsWith("ptr")?i="pointer":(i.startsWith("texture")&&(i=r.split("<")[0]),i=tC[i]),n.push(new HN(i,t))}const a=e.substring(t[0].length),o=t[3]||"void",u=void 0!==t[1]?t[1]:"";return{type:tC[o]||o,inputs:n,name:u,inputsCode:r,blockCode:a,outputType:o}}throw new Error("FunctionNode: Function is not a WGSL code.")})(e);super(t,r,s),this.inputsCode=i,this.blockCode=n,this.outputType=a}getCode(e=this.name){const t="void"!==this.outputType?"-> "+this.outputType:"";return`fn ${e} ( ${this.inputsCode.trim()} ) ${t}`+this.blockCode}}class sC extends iS{parseFunction(e){return new rC(e)}}const iC={[ti.READ_ONLY]:"read",[ti.WRITE_ONLY]:"write",[ti.READ_WRITE]:"read_write"},nC={[Ir]:"repeat",[xe]:"clamp",[Ur]:"mirror"},aC={vertex:VR.VERTEX,fragment:VR.FRAGMENT,compute:VR.COMPUTE},oC={instance:!0,swizzleAssign:!1,storageBuffer:!0},uC={"^^":"tsl_xor"},lC={float:"f32",int:"i32",uint:"u32",bool:"bool",color:"vec3<f32>",vec2:"vec2<f32>",ivec2:"vec2<i32>",uvec2:"vec2<u32>",bvec2:"vec2<bool>",vec3:"vec3<f32>",ivec3:"vec3<i32>",uvec3:"vec3<u32>",bvec3:"vec3<bool>",vec4:"vec4<f32>",ivec4:"vec4<i32>",uvec4:"vec4<u32>",bvec4:"vec4<bool>",mat2:"mat2x2<f32>",mat3:"mat3x3<f32>",mat4:"mat4x4<f32>"},dC={},cC={tsl_xor:new lT("fn tsl_xor( a : bool, b : bool ) -> bool { return ( a || b ) && !( a && b ); }"),mod_float:new lT("fn tsl_mod_float( x : f32, y : f32 ) -> f32 { return x - y * floor( x / y ); }"),mod_vec2:new lT("fn tsl_mod_vec2( x : vec2f, y : vec2f ) -> vec2f { return x - y * floor( x / y ); }"),mod_vec3:new lT("fn tsl_mod_vec3( x : vec3f, y : vec3f ) -> vec3f { return x - y * floor( x / y ); }"),mod_vec4:new lT("fn tsl_mod_vec4( x : vec4f, y : vec4f ) -> vec4f { return x - y * floor( x / y ); }"),equals_bool:new lT("fn tsl_equals_bool( a : bool, b : bool ) -> bool { return a == b; }"),equals_bvec2:new lT("fn tsl_equals_bvec2( a : vec2f, b : vec2f ) -> vec2<bool> { return vec2<bool>( a.x == b.x, a.y == b.y ); }"),equals_bvec3:new lT("fn tsl_equals_bvec3( a : vec3f, b : vec3f ) -> vec3<bool> { return vec3<bool>( a.x == b.x, a.y == b.y, a.z == b.z ); }"),equals_bvec4:new lT("fn tsl_equals_bvec4( a : vec4f, b : vec4f ) -> vec4<bool> { return vec4<bool>( a.x == b.x, a.y == b.y, a.z == b.z, a.w == b.w ); }"),repeatWrapping_float:new lT("fn tsl_repeatWrapping_float( coord: f32 ) -> f32 { return fract( coord ); }"),mirrorWrapping_float:new lT("fn tsl_mirrorWrapping_float( coord: f32 ) -> f32 { let mirrored = fract( coord * 0.5 ) * 2.0; return 1.0 - abs( 1.0 - mirrored ); }"),clampWrapping_float:new lT("fn tsl_clampWrapping_float( coord: f32 ) -> f32 { return clamp( coord, 0.0, 1.0 ); }"),biquadraticTexture:new lT("\nfn tsl_biquadraticTexture( map : texture_2d<f32>, coord : vec2f, iRes : vec2u, level : u32 ) -> vec4f {\n\n\tlet res = vec2f( iRes );\n\n\tlet uvScaled = coord * res;\n\tlet uvWrapping = ( ( uvScaled % res ) + res ) % res;\n\n\t// https://www.shadertoy.com/view/WtyXRy\n\n\tlet uv = uvWrapping - 0.5;\n\tlet iuv = floor( uv );\n\tlet f = fract( uv );\n\n\tlet rg1 = textureLoad( map, vec2u( iuv + vec2( 0.5, 0.5 ) ) % iRes, level );\n\tlet rg2 = textureLoad( map, vec2u( iuv + vec2( 1.5, 0.5 ) ) % iRes, level );\n\tlet rg3 = textureLoad( map, vec2u( iuv + vec2( 0.5, 1.5 ) ) % iRes, level );\n\tlet rg4 = textureLoad( map, vec2u( iuv + vec2( 1.5, 1.5 ) ) % iRes, level );\n\n\treturn mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );\n\n}\n")},hC={dFdx:"dpdx",dFdy:"- dpdy",mod_float:"tsl_mod_float",mod_vec2:"tsl_mod_vec2",mod_vec3:"tsl_mod_vec3",mod_vec4:"tsl_mod_vec4",equals_bool:"tsl_equals_bool",equals_bvec2:"tsl_equals_bvec2",equals_bvec3:"tsl_equals_bvec3",equals_bvec4:"tsl_equals_bvec4",inversesqrt:"inverseSqrt",bitcast:"bitcast<f32>",floatpack_snorm_2x16:"pack2x16snorm",floatpack_unorm_2x16:"pack2x16unorm",floatpack_float16_2x16:"pack2x16float",floatunpack_snorm_2x16:"unpack2x16snorm",floatunpack_unorm_2x16:"unpack2x16unorm",floatunpack_float16_2x16:"unpack2x16float"};let pC="";!0!==("undefined"!=typeof navigator&&/Firefox|Deno/g.test(navigator.userAgent))&&(pC+="diagnostic( off, derivative_uniformity );\n");class gC extends $N{constructor(e,t){super(e,t,new sC),this.uniformGroups={},this.uniformGroupsBindings={},this.builtins={},this.directives={},this.scopedArrays=new Map}_generateTextureSample(e,t,r,s,i,n=this.shaderStage){return"fragment"===n?s?i?`textureSample( ${t}, ${t}_sampler, ${r}, ${s}, ${i} )`:`textureSample( ${t}, ${t}_sampler, ${r}, ${s} )`:i?`textureSample( ${t}, ${t}_sampler, ${r}, ${i} )`:`textureSample( ${t}, ${t}_sampler, ${r} )`:this.generateTextureSampleLevel(e,t,r,"0",s)}generateTextureSampleLevel(e,t,r,s,i,n){return!1===this.isUnfilterable(e)?n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,n,s):this.generateTextureLod(e,t,r,i,n,s)}generateWrapFunction(e){const t=`tsl_coord_${nC[e.wrapS]}S_${nC[e.wrapT]}_${e.is3DTexture||e.isData3DTexture?"3d":"2d"}T`;let r=dC[t];if(void 0===r){const s=[],i=e.is3DTexture||e.isData3DTexture?"vec3f":"vec2f";let n=`fn ${t}( coord : ${i} ) -> ${i} {\n\n\treturn ${i}(\n`;const a=(e,t)=>{e===Ir?(s.push(cC.repeatWrapping_float),n+=`\t\ttsl_repeatWrapping_float( coord.${t} )`):e===xe?(s.push(cC.clampWrapping_float),n+=`\t\ttsl_clampWrapping_float( coord.${t} )`):e===Ur?(s.push(cC.mirrorWrapping_float),n+=`\t\ttsl_mirrorWrapping_float( coord.${t} )`):(n+=`\t\tcoord.${t}`,d(`WebGPURenderer: Unsupported texture wrap type "${e}" for vertex shader.`))};a(e.wrapS,"x"),n+=",\n",a(e.wrapT,"y"),(e.is3DTexture||e.isData3DTexture)&&(n+=",\n",a(e.wrapR,"z")),n+="\n\t);\n\n}\n",dC[t]=r=new lT(n,s)}return r.build(this),t}generateArrayDeclaration(e,t){return`array< ${this.getType(e)}, ${t} >`}generateTextureDimension(e,t,r){const s=this.getDataFromNode(e,this.shaderStage,this.globalCache);void 0===s.dimensionsSnippet&&(s.dimensionsSnippet={});let i=s.dimensionsSnippet[r];if(void 0===s.dimensionsSnippet[r]){let n,a;const{primarySamples:o}=this.renderer.backend.utils.getTextureSampleData(e),u=o>1;a=e.is3DTexture||e.isData3DTexture?"vec3<u32>":"vec2<u32>",n=u||e.isStorageTexture?t:`${t}${r?`, u32( ${r} )`:""}`,i=new Eu(new pl(`textureDimensions( ${n} )`,a)),s.dimensionsSnippet[r]=i,(e.isArrayTexture||e.isDataArrayTexture||e.is3DTexture||e.isData3DTexture)&&(s.arrayLayerCount=new Eu(new pl(`textureNumLayers(${t})`,"u32"))),e.isTextureCube&&(s.cubeFaceCount=new Eu(new pl("6u","u32")))}return i.build(this)}generateFilteredTexture(e,t,r,s,i="0u"){this._include("biquadraticTexture");const n=this.generateWrapFunction(e),a=this.generateTextureDimension(e,t,i);return s&&(r=`${r} + vec2<f32>(${s}) / ${a}`),`tsl_biquadraticTexture( ${t}, ${n}( ${r} ), ${a}, u32( ${i} ) )`}generateTextureLod(e,t,r,s,i,n="0u"){if(!0===e.isCubeTexture){i&&(r=`${r} + vec3<f32>(${i})`);return`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${e.isDepthTexture?"u32":"f32"}( ${n} ) )`}const a=this.generateWrapFunction(e),o=this.generateTextureDimension(e,t,n),u=e.is3DTexture||e.isData3DTexture?"vec3":"vec2";i&&(r=`${r} + ${u}<f32>(${i}) / ${u}<f32>( ${o} )`);return r=`${u}<u32>( clamp( floor( ${a}( ${r} ) * ${u}<f32>( ${o} ) ), ${`${u}<f32>( 0 )`}, ${`${u}<f32>( ${o} - ${"vec3"===u?"vec3<u32>( 1, 1, 1 )":"vec2<u32>( 1, 1 )"} )`} ) )`,this.generateTextureLoad(e,t,r,n,s,null)}generateTextureLoad(e,t,r,s,i,n){const a=!0===e.isStorageTexture;let o;return null!==s||a||(s="0u"),n&&(r=`${r} + ${n}`),i?o=a?`textureLoad( ${t}, ${r}, ${i} )`:`textureLoad( ${t}, ${r}, ${i}, u32( ${s} ) )`:a?o=`textureLoad( ${t}, ${r} )`:(o=`textureLoad( ${t}, ${r}, u32( ${s} ) )`,this.renderer.backend.compatibilityMode&&e.isDepthTexture&&(o+=".x")),o}generateTextureStore(e,t,r,s,i){let n;return n=s?`textureStore( ${t}, ${r}, ${s}, ${i} )`:`textureStore( ${t}, ${r}, ${i} )`,n}isSampleCompare(e){return!0===e.isDepthTexture&&null!==e.compareFunction&&this.renderer.hasCompatibility(E.TEXTURE_COMPARE)}isUnfilterable(e){return"float"!==this.getComponentTypeFromTexture(e)||!this.isAvailable("float32Filterable")&&!0===e.isDataTexture&&e.type===j||!1===this.isSampleCompare(e)&&e.minFilter===w&&e.magFilter===w||this.renderer.backend.utils.getTextureSampleData(e).primarySamples>1}generateTexture(e,t,r,s,i,n=this.shaderStage){let a=null;return a=this.isUnfilterable(e)?this.generateTextureLod(e,t,r,s,i,"0",n):this._generateTextureSample(e,t,r,s,i,n),a}generateTextureGrad(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return n?`textureSampleGrad( ${t}, ${t}_sampler, ${r},  ${s[0]}, ${s[1]}, ${n} )`:`textureSampleGrad( ${t}, ${t}_sampler, ${r},  ${s[0]}, ${s[1]} )`;o(`WebGPURenderer: THREE.TextureNode.gradient() does not support ${a} shader.`)}generateTextureCompare(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return!0===e.isDepthTexture&&!0===e.isArrayTexture?n?`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s} )`;o(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${a} shader.`)}generateTextureLevel(e,t,r,s,i,n){return!1===this.isUnfilterable(e)?n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,n,s):this.generateTextureLod(e,t,r,i,n,s)}generateTextureBias(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return n?`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s} )`;o(`WebGPURenderer: THREE.TextureNode.biasNode does not support ${a} shader.`)}getPropertyName(e,t=this.shaderStage){if(!0===e.isNodeVarying&&!0===e.needsInterpolation){if("vertex"===t)return`varyings.${e.name}`}else if(!0===e.isNodeUniform){const t=e.name,r=e.type;return"texture"===r||"cubeTexture"===r||"cubeDepthTexture"===r||"storageTexture"===r||"texture3D"===r?t:"buffer"===r||"storageBuffer"===r||"indirectStorageBuffer"===r?this.isCustomStruct(e)?t:t+".value":e.groupNode.name+"."+t}return super.getPropertyName(e)}getOutputStructName(){return"output"}getFunctionOperator(e){const t=uC[e];return void 0!==t?(this._include(t),t):null}getNodeAccess(e,t){return"compute"!==t?!0===e.isAtomic?(d("WebGPURenderer: Atomic operations are only supported in compute shaders."),ti.READ_WRITE):ti.READ_ONLY:e.access}getStorageAccess(e,t){return iC[this.getNodeAccess(e,t)]}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);if(void 0===n.uniformGPU){let a;const o=e.groupNode,u=o.name,l=this.getBindGroupArray(u,r);if("texture"===t||"cubeTexture"===t||"cubeDepthTexture"===t||"storageTexture"===t||"texture3D"===t){let s=null;const n=this.getNodeAccess(e,r);"texture"===t||"storageTexture"===t?s=!0===e.value.is3DTexture?new sR(i.name,i.node,o,n):new tR(i.name,i.node,o,n):"cubeTexture"===t||"cubeDepthTexture"===t?s=new rR(i.name,i.node,o,n):"texture3D"===t&&(s=new sR(i.name,i.node,o,n)),s.store=!0===e.isStorageTextureNode,s.mipLevel=s.store?e.mipLevel:0,s.setVisibility(aC[r]);if(!0===e.value.isCubeTexture||!1===this.isUnfilterable(e.value)&&!1===s.store){const e=new Ww(`${i.name}_sampler`,i.node,o);e.setVisibility(aC[r]),l.push(e,s),a=[e,s]}else l.push(s),a=[s]}else if("buffer"===t||"storageBuffer"===t||"indirectStorageBuffer"===t){const n=this.getSharedDataFromNode(e);let u=n.buffer;if(void 0===u){u=new("buffer"===t?XS:jw)(e,o),n.buffer=u}u.setVisibility(u.getVisibility()|aC[r]),l.push(u),a=u,i.name=s||"NodeBuffer_"+i.id}else{let e=this.uniformGroups[u];void 0===e?(e=new QS(u,o),e.setVisibility(aC[r]),this.uniformGroups[u]=e,l.push(e)):(e.setVisibility(e.getVisibility()|aC[r]),-1===l.indexOf(e)&&l.push(e)),a=this.getNodeUniform(i,t);const s=a.name;e.uniforms.some(e=>e.name===s)||e.addUniform(a)}n.uniformGPU=a}return i}getBuiltin(e,t,r,s=this.shaderStage){const i=this.builtins[s]||(this.builtins[s]=new Map);return!1===i.has(e)&&i.set(e,{name:e,property:t,type:r}),t}hasBuiltin(e,t=this.shaderStage){return void 0!==this.builtins[t]&&this.builtins[t].has(e)}getVertexIndex(){return"vertex"===this.shaderStage?this.getBuiltin("vertex_index","vertexIndex","u32","attribute"):"vertexIndex"}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(e.name+" : "+this.getType(e.type));let i=`fn ${t.name}( ${s.join(", ")} ) -> ${this.getType(t.type)} {\n${r.vars}\n${r.code}\n`;return r.result&&(i+=`\treturn ${r.result};\n`),i+="\n}\n",i}getInstanceIndex(){return"vertex"===this.shaderStage?this.getBuiltin("instance_index","instanceIndex","u32","attribute"):"instanceIndex"}getInvocationLocalIndex(){return this.getBuiltin("local_invocation_index","invocationLocalIndex","u32","attribute")}getSubgroupSize(){return this.enableSubGroups(),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute")}getInvocationSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_invocation_id","invocationSubgroupIndex","u32","attribute")}getSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_id","subgroupIndex","u32","attribute")}getDrawIndex(){return null}getFrontFacing(){return this.getBuiltin("front_facing","isFront","bool")}getFragCoord(){return this.getBuiltin("position","fragCoord","vec4<f32>")+".xy"}getFragDepth(){return"output."+this.getBuiltin("frag_depth","depth","f32","output")}getClipDistance(){return"varyings.hw_clip_distances"}isFlipY(){return!1}enableDirective(e,t=this.shaderStage){(this.directives[t]||(this.directives[t]=new Set)).add(e)}getDirectives(e){const t=[],r=this.directives[e];if(void 0!==r)for(const e of r)t.push(`enable ${e};`);return t.join("\n")}enableSubGroups(){this.enableDirective("subgroups")}enableSubgroupsF16(){this.enableDirective("subgroups-f16")}enableClipDistances(){this.enableDirective("clip_distances")}enableShaderF16(){this.enableDirective("f16")}enableDualSourceBlending(){this.enableDirective("dual_source_blending")}enableHardwareClipping(e){this.enableClipDistances(),this.getBuiltin("clip_distances","hw_clip_distances",`array<f32, ${e} >`,"vertex")}getBuiltins(e){const t=[],r=this.builtins[e];if(void 0!==r)for(const{name:e,property:s,type:i}of r.values())t.push(`@builtin( ${e} ) ${s} : ${i}`);return t.join(",\n\t")}getScopedArray(e,t,r,s){return!1===this.scopedArrays.has(e)&&this.scopedArrays.set(e,{name:e,scope:t,bufferType:r,bufferCount:s}),e}getScopedArrays(e){if("compute"!==e)return;const t=[];for(const{name:e,scope:r,bufferType:s,bufferCount:i}of this.scopedArrays.values()){const n=this.getType(s);t.push(`var<${r}> ${e}: array< ${n}, ${i} >;`)}return t.join("\n")}getAttributes(e){const t=[];if("compute"===e&&(this.getBuiltin("global_invocation_id","globalId","vec3<u32>","attribute"),this.getBuiltin("workgroup_id","workgroupId","vec3<u32>","attribute"),this.getBuiltin("local_invocation_id","localId","vec3<u32>","attribute"),this.getBuiltin("num_workgroups","numWorkgroups","vec3<u32>","attribute"),this.renderer.hasFeature("subgroups")&&(this.enableDirective("subgroups",e),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute"))),"vertex"===e||"compute"===e){const e=this.getBuiltins("attribute");e&&t.push(e);const r=this.getAttributesArray();for(let e=0,s=r.length;e<s;e++){const s=r[e],i=s.name,n=this.getType(s.type);t.push(`@location( ${e} ) ${i} : ${n}`)}}return t.join(",\n\t")}getStructMembers(e){const t=[];for(const r of e.members){const s=e.output?"@location( "+r.index+" ) ":"";let i=this.getType(r.type);r.atomic&&(i="atomic< "+i+" >"),t.push(`\t${s+r.name} : ${i}`)}return e.output&&t.push(`\t${this.getBuiltins("output")}`),t.join(",\n")}getStructs(e){let t="";const r=this.structs[e];if(r.length>0){const e=[];for(const t of r){let r=`struct ${t.name} {\n`;r+=this.getStructMembers(t),r+="\n};",e.push(r)}t="\n"+e.join("\n\n")+"\n"}return t}getVar(e,t,r=null){let s=`var ${t} : `;return s+=null!==r?this.generateArrayDeclaration(e,r):this.getType(e),s}getVars(e){const t=[],r=this.vars[e];if(void 0!==r)for(const e of r)t.push(`\t${this.getVar(e.type,e.name,e.count)};`);return`\n${t.join("\n")}\n`}getVaryings(e){const t=[];if("vertex"===e&&this.getBuiltin("position","builtinClipSpace","vec4<f32>","vertex"),"vertex"===e||"fragment"===e){const r=this.varyings,s=this.vars[e];for(let i=0;i<r.length;i++){const n=r[i];if(n.needsInterpolation){let e=`@location( ${i} )`;if(n.interpolationType){const t=null!==n.interpolationSampling?`, ${n.interpolationSampling} )`:" )";e+=` @interpolate( ${n.interpolationType}${t}`}else/^(int|uint|ivec|uvec)/.test(n.type)&&(e+=" @interpolate(flat, either)");t.push(`${e} ${n.name} : ${this.getType(n.type)}`)}else"vertex"===e&&!1===s.includes(n)&&s.push(n)}}const r=this.getBuiltins(e);r&&t.push(r);const s=t.join(",\n\t");return"vertex"===e?this._getWGSLStruct("VaryingsStruct","\t"+s):s}isCustomStruct(e){const t=e.value,r=e.node,s=(t.isBufferAttribute||t.isInstancedBufferAttribute)&&null!==r.structTypeNode,i=r.value&&r.value.array&&"number"==typeof r.value.itemSize&&r.value.array.length>r.value.itemSize;return s&&!i}getUniforms(e){const t=this.uniforms[e],r=[],s=[],i=[],n={};for(const i of t){const t=i.groupNode.name,a=this.bindingsIndexes[t];if("texture"===i.type||"cubeTexture"===i.type||"cubeDepthTexture"===i.type||"storageTexture"===i.type||"texture3D"===i.type){const t=i.node.value;let s;(!0===t.isCubeTexture||!1===this.isUnfilterable(t)&&!0!==i.node.isStorageTextureNode)&&(this.isSampleCompare(t)?r.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var ${i.name}_sampler : sampler_comparison;`):r.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var ${i.name}_sampler : sampler;`));let n="";const{primarySamples:o}=this.renderer.backend.utils.getTextureSampleData(t);if(o>1&&(n="_multisampled"),!0===t.isCubeTexture&&!0===t.isDepthTexture)s="texture_depth_cube";else if(!0===t.isCubeTexture)s="texture_cube<f32>";else if(!0===t.isDepthTexture)s=this.renderer.backend.compatibilityMode&&null===t.compareFunction?`texture${n}_2d<f32>`:`texture_depth${n}_2d${!0===t.isArrayTexture?"_array":""}`;else if(!0===i.node.isStorageTextureNode){const r=Zw(t),n=this.getStorageAccess(i.node,e),a=i.node.value.is3DTexture,o=i.node.value.isArrayTexture;s=`texture_storage_${a?"3d":"2d"+(o?"_array":"")}<${r}, ${n}>`}else if(!0===t.isArrayTexture||!0===t.isDataArrayTexture||!0===t.isCompressedArrayTexture)s="texture_2d_array<f32>";else if(!0===t.is3DTexture||!0===t.isData3DTexture)s="texture_3d<f32>";else{s=`texture${n}_2d<${this.getComponentTypeFromTexture(t).charAt(0)}32>`}r.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var ${i.name} : ${s};`)}else if("buffer"===i.type||"storageBuffer"===i.type||"indirectStorageBuffer"===i.type){const t=i.node,r=this.getType(t.getNodeType(this)),n=t.bufferCount,o=n>0&&"buffer"===i.type?", "+n:"",u=t.isStorageBufferNode?`storage, ${this.getStorageAccess(t,e)}`:"uniform";if(this.isCustomStruct(i))s.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var<${u}> ${i.name} : ${r};`);else{const e=`\tvalue : array< ${t.isAtomic?`atomic<${r}>`:`${r}`}${o} >`;s.push(this._getWGSLStructBinding(i.name,e,u,a.binding++,a.group))}}else{const e=i.groupNode.name;if(void 0===n[e]){const t=this.uniformGroups[e];if(void 0!==t){const r=[];for(const e of t.uniforms){const t=e.getType(),s=this.getType(this.getVectorType(t));r.push(`\t${e.name} : ${s}`)}let s=this.uniformGroupsBindings[e];void 0===s&&(s={index:a.binding++,id:a.group},this.uniformGroupsBindings[e]=s),n[e]={index:s.index,id:s.id,snippets:r}}}}}for(const e in n){const t=n[e];i.push(this._getWGSLStructBinding(e,t.snippets.join(",\n"),"uniform",t.index,t.id))}return[...r,...s,...i].join("\n")}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){this.shaderStage=t;const r=e[t];r.uniforms=this.getUniforms(t),r.attributes=this.getAttributes(t),r.varyings=this.getVaryings(t),r.structs=this.getStructs(t),r.vars=this.getVars(t),r.codes=this.getCodes(t),r.directives=this.getDirectives(t),r.scopedArrays=this.getScopedArrays(t);let s="// code\n\n";s+=this.flowCode[t];const i=this.flowNodes[t],n=i[i.length-1],a=n.outputNode,o=void 0!==a&&!0===a.isOutputStructNode;for(const e of i){const i=this.getFlowData(e),u=e.name;if(u&&(s.length>0&&(s+="\n"),s+=`\t// flow -> ${u}\n`),s+=`${i.code}\n\t`,e===n&&"compute"!==t)if(s+="// result\n\n\t","vertex"===t)s+=`varyings.builtinClipSpace = ${i.result};`;else if("fragment"===t)if(o)r.returnType=a.getNodeType(this),r.structs+="var<private> output : "+r.returnType+";",s+=`return ${i.result};`;else{let e="\t@location(0) color: vec4<f32>";const t=this.getBuiltins("output");t&&(e+=",\n\t"+t),r.returnType="OutputStruct",r.structs+=this._getWGSLStruct("OutputStruct",e),r.structs+="\nvar<private> output : OutputStruct;",s+=`output.color = ${i.result};\n\n\treturn output;`}}r.flow=s}if(this.shaderStage=null,null!==this.material)this.vertexShader=this._getWGSLVertexCode(e.vertex),this.fragmentShader=this._getWGSLFragmentCode(e.fragment);else{const t=this.object.workgroupSize;this.computeShader=this._getWGSLComputeCode(e.compute,t)}}getMethod(e,t=null){let r;return null!==t&&(r=this._getWGSLMethod(e+"_"+t)),void 0===r&&(r=this._getWGSLMethod(e)),r||e}getBitcastMethod(e){return`bitcast<${this.getType(e)}>`}getFloatPackingMethod(e){return this.getMethod(`floatpack_${e}_2x16`)}getFloatUnpackingMethod(e){return this.getMethod(`floatunpack_${e}_2x16`)}getTernary(e,t,r){return`select( ${r}, ${t}, ${e} )`}getType(e){return lC[e]||e}isAvailable(e){let t=oC[e];return void 0===t&&("float32Filterable"===e?t=this.renderer.hasFeature("float32-filterable"):"clipDistance"===e&&(t=this.renderer.hasFeature("clip-distances")),oC[e]=t),t}getUniformBufferLimit(){return this.renderer.backend.device.limits.maxUniformBufferBindingSize}_getWGSLMethod(e){return void 0!==cC[e]&&this._include(e),hC[e]}_include(e){const t=cC[e];return t.build(this),this.addInclude(t),t}_getWGSLVertexCode(e){return`${this.getSignature()}\n// directives\n${e.directives}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\nvar<private> varyings : VaryingsStruct;\n\n// codes\n${e.codes}\n\n@vertex\nfn main( ${e.attributes} ) -> VaryingsStruct {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n\treturn varyings;\n\n}\n`}_getWGSLFragmentCode(e){return`${this.getSignature()}\n// global\n${pC}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// codes\n${e.codes}\n\n@fragment\nfn main( ${e.varyings} ) -> ${e.returnType} {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLComputeCode(e,t){const[r,s,i]=t;return`${this.getSignature()}\n// directives\n${e.directives}\n\n// system\nvar<private> instanceIndex : u32;\n\n// locals\n${e.scopedArrays}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// codes\n${e.codes}\n\n@compute @workgroup_size( ${r}, ${s}, ${i} )\nfn main( ${e.attributes} ) {\n\n\t// system\n\tinstanceIndex = globalId.x\n\t\t+ globalId.y * ( ${r} * numWorkgroups.x )\n\t\t+ globalId.z * ( ${r} * numWorkgroups.x ) * ( ${s} * numWorkgroups.y );\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLStruct(e,t){return`\nstruct ${e} {\n${t}\n};`}_getWGSLStructBinding(e,t,r,s=0,i=0){const n=e+"Struct";return`${this._getWGSLStruct(n,t)}\n@binding( ${s} ) @group( ${i} )\nvar<${r}> ${e} : ${n};`}}class mC{constructor(e){this.backend=e}getCurrentDepthStencilFormat(e){let t;return e.depth&&(t=null!==e.depthTexture?this.getTextureFormatGPU(e.depthTexture):e.stencil?GE:kE),t}getTextureFormatGPU(e){return this.backend.get(e).format}getTextureSampleData(e){let t;if(e.isFramebufferTexture)t=1;else if(e.isDepthTexture&&!e.renderTarget){const e=this.backend.renderer,r=e.getRenderTarget();t=r?r.samples:e.currentSamples}else e.renderTarget&&(t=e.renderTarget.samples);t=t||1;const r=t>1&&null!==e.renderTarget&&!0!==e.isDepthTexture&&!0!==e.isFramebufferTexture;return{samples:t,primarySamples:r?1:t,isMSAA:r}}getCurrentColorFormat(e){let t;return t=null!==e.textures?this.getTextureFormatGPU(e.textures[0]):this.getPreferredCanvasFormat(),t}getCurrentColorFormats(e){return null!==e.textures?e.textures.map(e=>this.getTextureFormatGPU(e)):[this.getPreferredCanvasFormat()]}getCurrentColorSpace(e){return null!==e.textures?e.textures[0].colorSpace:this.backend.renderer.outputColorSpace}getPrimitiveTopology(e,t){return e.isPoints?DR:e.isLineSegments||e.isMesh&&!0===t.wireframe?UR:e.isLine?IR:e.isMesh?OR:void 0}getSampleCount(e){return e>=4?4:1}getSampleCountRenderContext(e){return null!==e.textures?this.getSampleCount(e.sampleCount):this.getSampleCount(this.backend.renderer.currentSamples)}getPreferredCanvasFormat(){const e=this.backend.parameters.outputType;if(void 0===e)return navigator.gpu.getPreferredCanvasFormat();if(e===Ve)return RE;if(e===be)return DE;throw new Error("Unsupported output buffer type.")}}const fC=new Map([[Int8Array,["sint8","snorm8"]],[Uint8Array,["uint8","unorm8"]],[Int16Array,["sint16","snorm16"]],[Uint16Array,["uint16","unorm16"]],[Int32Array,["sint32","snorm32"]],[Uint32Array,["uint32","unorm32"]],[Float32Array,["float32"]]]);"undefined"!=typeof Float16Array&&fC.set(Float16Array,["float16"]);const yC=new Map([[nt,["float16"]]]),bC=new Map([[Int32Array,"sint32"],[Int16Array,"sint32"],[Uint32Array,"uint32"],[Uint16Array,"uint32"],[Float32Array,"float32"]]);class xC{constructor(e){this.backend=e}createAttribute(e,t){const r=this._getBufferAttribute(e),s=this.backend,i=s.get(r);let n=i.buffer;if(void 0===n){const a=s.device;let o=r.array;if(!1===e.normalized)if(o.constructor===Int16Array||o.constructor===Int8Array)o=new Int32Array(o);else if((o.constructor===Uint16Array||o.constructor===Uint8Array)&&(o=new Uint32Array(o),t&GPUBufferUsage.INDEX))for(let e=0;e<o.length;e++)65535===o[e]&&(o[e]=4294967295);if(r.array=o,(r.isStorageBufferAttribute||r.isStorageInstancedBufferAttribute)&&3===r.itemSize){o=new o.constructor(4*r.count);for(let e=0;e<r.count;e++)o.set(r.array.subarray(3*e,3*e+3),4*e);r.itemSize=4,r.array=o,i._force3to4BytesAlignment=!0}const u=o.byteLength,l=u+(4-u%4)%4;n=a.createBuffer({label:r.name,size:l,usage:t,mappedAtCreation:!0}),new o.constructor(n.getMappedRange()).set(o),n.unmap(),i.buffer=n}}updateAttribute(e){const t=this._getBufferAttribute(e),r=this.backend,s=r.device,i=r.get(t),n=r.get(t).buffer;let a=t.array;if(!0===i._force3to4BytesAlignment){a=new a.constructor(4*t.count);for(let e=0;e<t.count;e++)a.set(t.array.subarray(3*e,3*e+3),4*e);t.array=a}const o=t.updateRanges;if(0===o.length)s.queue.writeBuffer(n,0,a,0);else{const e=jr(a),r=e?1:a.BYTES_PER_ELEMENT;for(let t=0,u=o.length;t<u;t++){const u=o[t];let l,d;if(!0===i._force3to4BytesAlignment){l=4*Math.floor(u.start/3)*r,d=4*Math.ceil(u.count/3)*r}else l=u.start*r,d=u.count*r;const c=l*(e?a.BYTES_PER_ELEMENT:1);s.queue.writeBuffer(n,c,a,l,d)}t.clearUpdateRanges()}}createShaderVertexBuffers(e){const t=e.getAttributes(),r=new Map;for(let e=0;e<t.length;e++){const s=t[e],i=s.array.BYTES_PER_ELEMENT,n=this._getBufferAttribute(s);let a=r.get(n);if(void 0===a){let e,t;!0===s.isInterleavedBufferAttribute?(e=s.data.stride*i,t=s.data.isInstancedInterleavedBuffer?Gw:kw):(e=s.itemSize*i,t=s.isInstancedBufferAttribute?Gw:kw),!1!==s.normalized||s.array.constructor!==Int16Array&&s.array.constructor!==Uint16Array||(e=4),a={arrayStride:e,attributes:[],stepMode:t},r.set(n,a)}const o=this._getVertexFormat(s),u=!0===s.isInterleavedBufferAttribute?s.offset*i:0;a.attributes.push({shaderLocation:e,offset:u,format:o})}return Array.from(r.values())}destroyAttribute(e){const t=this.backend;t.get(this._getBufferAttribute(e)).buffer.destroy(),t.delete(e)}async getArrayBufferAsync(e){const t=this.backend,r=t.device,s=t.get(this._getBufferAttribute(e)).buffer,i=s.size,n=r.createBuffer({label:`${e.name}_readback`,size:i,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ}),a=r.createCommandEncoder({label:`readback_encoder_${e.name}`});a.copyBufferToBuffer(s,0,n,0,i);const o=a.finish();r.queue.submit([o]),await n.mapAsync(GPUMapMode.READ);const u=n.getMappedRange(),l=new e.array.constructor(u.slice(0));return n.unmap(),l.buffer}_getVertexFormat(e){const{itemSize:t,normalized:r}=e,s=e.array.constructor,i=e.constructor;let n;if(1===t)n=bC.get(s);else{const e=(yC.get(i)||fC.get(s))[r?1:0];if(e){const r=s.BYTES_PER_ELEMENT*t,i=4*Math.floor((r+3)/4)/s.BYTES_PER_ELEMENT;if(i%1)throw new Error("THREE.WebGPUAttributeUtils: Bad vertex format item size.");n=`${e}x${i}`}}return n||o("WebGPUAttributeUtils: Vertex format not supported yet."),n}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}class TC{constructor(e){this.layoutGPU=e,this.usedTimes=0}}class _C{constructor(e){this.backend=e,this._bindGroupLayoutCache=new Map}createBindingsLayout(e){const t=this.backend,r=t.device,s=t.get(e);if(s.layout)return s.layout.layoutGPU;const i=this._createLayoutEntries(e),n=JSON.stringify(i);let a=this._bindGroupLayoutCache.get(n);return void 0===a&&(a=new TC(r.createBindGroupLayout({entries:i})),this._bindGroupLayoutCache.set(n,a)),a.usedTimes++,s.layout=a,s.layoutKey=n,a.layoutGPU}createBindings(e,t,r,s=0){const{backend:i}=this,n=i.get(e),a=this.createBindingsLayout(e);let o;r>0&&(void 0===n.groups&&(n.groups=[],n.versions=[]),n.versions[r]===s&&(o=n.groups[r])),void 0===o&&(o=this.createBindGroup(e,a),r>0&&(n.groups[r]=o,n.versions[r]=s)),n.group=o}updateBinding(e){const t=this.backend,r=t.device,s=e.buffer,i=t.get(e).buffer,n=e.updateRanges;if(0===n.length)r.queue.writeBuffer(i,0,s,0);else{const e=jr(s),t=e?1:s.BYTES_PER_ELEMENT;for(let a=0,o=n.length;a<o;a++){const o=n[a],u=o.start*t,l=o.count*t,d=u*(e?s.BYTES_PER_ELEMENT:1);r.queue.writeBuffer(i,d,s,u,l)}}}createBindGroupIndex(e,t){const r=this.backend.device,s=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,i=e[0],n=r.createBuffer({label:"bindingCameraIndex_"+i,size:16,usage:s});r.queue.writeBuffer(n,0,e,0);const a=[{binding:0,resource:{buffer:n}}];return r.createBindGroup({label:"bindGroupCameraIndex_"+i,layout:t,entries:a})}createBindGroup(e,t){const r=this.backend,s=r.device;let i=0;const n=[];for(const t of e.bindings){if(t.isUniformBuffer){const e=r.get(t);if(void 0===e.buffer){const r=t.byteLength,i=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,n=[];t.visibility&VR.VERTEX&&n.push("vertex"),t.visibility&VR.FRAGMENT&&n.push("fragment"),t.visibility&VR.COMPUTE&&n.push("compute");const a=`(${n.join(",")})`,o=s.createBuffer({label:`bindingBuffer${t.id}_${t.name}_${a}`,size:r,usage:i});e.buffer=o}n.push({binding:i,resource:{buffer:e.buffer}})}else if(t.isStorageBuffer){const e=r.get(t.attribute).buffer;n.push({binding:i,resource:{buffer:e}})}else if(t.isSampledTexture){const e=r.get(t.texture);let a;if(void 0!==e.externalTexture)a=s.importExternalTexture({source:e.externalTexture});else{const r=t.store?1:e.texture.mipLevelCount,s=t.store?t.mipLevel:0;let i=`view-${e.texture.width}-${e.texture.height}`;if(e.texture.depthOrArrayLayers>1&&(i+=`-${e.texture.depthOrArrayLayers}`),i+=`-${r}-${s}`,a=e[i],void 0===a){const n=Vw;let o;o=t.isSampledCubeTexture?Iw:t.isSampledTexture3D?Ow:t.texture.isArrayTexture||t.texture.isDataArrayTexture||t.texture.isCompressedArrayTexture?Uw:Dw,a=e[i]=e.texture.createView({aspect:n,dimension:o,mipLevelCount:r,baseMipLevel:s})}}n.push({binding:i,resource:a})}else if(t.isSampler){const e=r.get(t.texture);n.push({binding:i,resource:e.sampler})}i++}return s.createBindGroup({label:"bindGroup_"+e.name,layout:t,entries:n})}_createLayoutEntries(e){const t=[];let r=0;for(const s of e.bindings){const e=this.backend,i={binding:r,visibility:s.visibility};if(s.isUniformBuffer||s.isStorageBuffer){const e={};s.isStorageBuffer&&(s.visibility&VR.COMPUTE&&(s.access===ti.READ_WRITE||s.access===ti.WRITE_ONLY)?e.type=_w:e.type=vw),i.buffer=e}else if(s.isSampledTexture&&s.store){const e={};e.format=this.backend.get(s.texture).texture.format;const t=s.access;e.access=t===ti.READ_WRITE?Rw:t===ti.WRITE_ONLY?Nw:Sw,s.texture.isArrayTexture?e.viewDimension=Uw:s.texture.is3DTexture&&(e.viewDimension=Ow),i.storageTexture=e}else if(s.isSampledTexture){const t={},{primarySamples:r}=e.utils.getTextureSampleData(s.texture);if(r>1&&(t.multisampled=!0,s.texture.isDepthTexture||(t.sampleType=Cw)),s.texture.isDepthTexture)e.compatibilityMode&&null===s.texture.compareFunction?t.sampleType=Cw:t.sampleType=Mw;else if(s.texture.isDataTexture||s.texture.isDataArrayTexture||s.texture.isData3DTexture){const e=s.texture.type;e===R?t.sampleType=Bw:e===S?t.sampleType=Fw:e===j&&(this.backend.hasFeature("float32-filterable")?t.sampleType=ww:t.sampleType=Cw)}s.isSampledCubeTexture?t.viewDimension=Iw:s.texture.isArrayTexture||s.texture.isDataArrayTexture||s.texture.isCompressedArrayTexture?t.viewDimension=Uw:s.isSampledTexture3D&&(t.viewDimension=Ow),i.texture=t}else if(s.isSampler){const t={};s.texture.isDepthTexture&&(null!==s.texture.compareFunction&&e.hasCompatibility(E.TEXTURE_COMPARE)?t.type=Aw:t.type=Ew),i.sampler=t}else o(`WebGPUBindingUtils: Unsupported binding "${s}".`);t.push(i),r++}return t}deleteBindGroupData(e){const{backend:t}=this,r=t.get(e);r.layout&&(r.layout.usedTimes--,0===r.layout.usedTimes&&this._bindGroupLayoutCache.delete(r.layoutKey),r.layout=void 0,r.layoutKey=void 0)}dispose(){this._bindGroupLayoutCache.clear()}}class vC{constructor(e){this.backend=e,this._activePipelines=new WeakMap}setPipeline(e,t){this._activePipelines.get(e)!==t&&(e.setPipeline(t),this._activePipelines.set(e,t))}_getSampleCount(e){return this.backend.utils.getSampleCountRenderContext(e)}createRenderPipeline(e,t){const{object:r,material:s,geometry:i,pipeline:n}=e,{vertexProgram:a,fragmentProgram:u}=n,l=this.backend,d=l.device,c=l.utils,h=l.get(n),p=[];for(const t of e.getBindings()){const e=l.get(t),{layoutGPU:r}=e.layout;p.push(r)}const g=l.attributeUtils.createShaderVertexBuffers(e);let m;s.blending===ee||s.blending===ke&&!1===s.transparent||(m=this._getBlending(s));let f={};!0===s.stencilWrite&&(f={compare:this._getStencilCompare(s),failOp:this._getStencilOperation(s.stencilFail),depthFailOp:this._getStencilOperation(s.stencilZFail),passOp:this._getStencilOperation(s.stencilZPass)});const y=this._getColorWriteMask(s),b=[];if(null!==e.context.textures){const t=e.context.textures,r=e.context.mrt;for(let e=0;e<t.length;e++){const s=t[e],i=c.getTextureFormatGPU(s);let n;if(null!==r){const e=r.getBlendMode(s.name);e.blending===We?n=m:e.blending!==ee&&(n=this._getBlending(e))}else n=m;b.push({format:i,blend:n,writeMask:y})}}else{const t=c.getCurrentColorFormat(e.context);b.push({format:t,blend:m,writeMask:y})}const x=l.get(a).module,T=l.get(u).module,_=this._getPrimitiveState(r,i,s),v=this._getDepthCompare(s),N=c.getCurrentDepthStencilFormat(e.context),S=this._getSampleCount(e.context),R={label:`renderPipeline_${s.name||s.type}_${s.id}`,vertex:Object.assign({},x,{buffers:g}),fragment:Object.assign({},T,{targets:b}),primitive:_,multisample:{count:S,alphaToCoverageEnabled:s.alphaToCoverage&&S>1},layout:d.createPipelineLayout({bindGroupLayouts:p})},E={},A=e.context.depth,w=e.context.stencil;if(!0!==A&&!0!==w||(!0===A&&(E.format=N,E.depthWriteEnabled=s.depthWrite,E.depthCompare=v),!0===w&&(E.stencilFront=f,E.stencilBack={},E.stencilReadMask=s.stencilFuncMask,E.stencilWriteMask=s.stencilWriteMask),!0===s.polygonOffset&&(E.depthBias=s.polygonOffsetUnits,E.depthBiasSlopeScale=s.polygonOffsetFactor,E.depthBiasClamp=0),R.depthStencil=E),d.pushErrorScope("validation"),null===t)h.pipeline=d.createRenderPipeline(R),d.popErrorScope().then(e=>{null!==e&&(h.error=!0,o(e.message))});else{const e=new Promise(async e=>{try{h.pipeline=await d.createRenderPipelineAsync(R)}catch(e){}const t=await d.popErrorScope();null!==t&&(h.error=!0,o(t.message)),e()});t.push(e)}}createBundleEncoder(e,t="renderBundleEncoder"){const r=this.backend,{utils:s,device:i}=r,n=s.getCurrentDepthStencilFormat(e),a={label:t,colorFormats:s.getCurrentColorFormats(e),depthStencilFormat:n,sampleCount:this._getSampleCount(e)};return i.createRenderBundleEncoder(a)}createComputePipeline(e,t){const r=this.backend,s=r.device,i=r.get(e.computeProgram).module,n=r.get(e),a=[];for(const e of t){const t=r.get(e),{layoutGPU:s}=t.layout;a.push(s)}n.pipeline=s.createComputePipeline({compute:i,layout:s.createPipelineLayout({bindGroupLayouts:a})})}_getBlending(e){let t,r;const s=e.blending,i=e.blendSrc,n=e.blendDst,a=e.blendEquation;if(s===dt){const s=null!==e.blendSrcAlpha?e.blendSrcAlpha:i,o=null!==e.blendDstAlpha?e.blendDstAlpha:n,u=null!==e.blendEquationAlpha?e.blendEquationAlpha:a;t={srcFactor:this._getBlendFactor(i),dstFactor:this._getBlendFactor(n),operation:this._getBlendOperation(a)},r={srcFactor:this._getBlendFactor(s),dstFactor:this._getBlendFactor(o),operation:this._getBlendOperation(u)}}else{const i=(e,s,i,n)=>{t={srcFactor:e,dstFactor:s,operation:aw},r={srcFactor:i,dstFactor:n,operation:aw}};if(e.premultipliedAlpha)switch(s){case ke:i(XA,ZA,XA,ZA);break;case Wt:i(XA,XA,XA,XA);break;case $t:i(jA,YA,jA,XA);break;case zt:i(JA,ZA,jA,XA)}else switch(s){case ke:i(QA,ZA,XA,ZA);break;case Wt:i(QA,XA,XA,XA);break;case $t:o(`WebGPURenderer: "SubtractiveBlending" requires "${e.isMaterial?"material":"blendMode"}.premultipliedAlpha = true".`);break;case zt:o(`WebGPURenderer: "MultiplyBlending" requires "${e.isMaterial?"material":"blendMode"}.premultipliedAlpha = true".`)}}if(void 0!==t&&void 0!==r)return{color:t,alpha:r};o("WebGPURenderer: Invalid blending: ",s)}_getBlendFactor(e){let t;switch(e){case ct:t=jA;break;case Ot:t=XA;break;case It:t=KA;break;case Lt:t=YA;break;case Ge:t=QA;break;case ze:t=ZA;break;case Dt:t=JA;break;case Ft:t=ew;break;case Pt:t=tw;break;case Bt:t=rw;break;case Ut:t=sw;break;case 211:t=iw;break;case 212:t=nw;break;default:o("WebGPURenderer: Blend factor not supported.",e)}return t}_getStencilCompare(e){let t;const r=e.stencilFunc;switch(r){case ts:t=kR;break;case es:t=jR;break;case Jr:t=GR;break;case Zr:t=$R;break;case Qr:t=zR;break;case Yr:t=qR;break;case Kr:t=WR;break;case Xr:t=HR;break;default:o("WebGPURenderer: Invalid stencil function.",r)}return t}_getStencilOperation(e){let t;switch(e){case ls:t=pw;break;case us:t=gw;break;case os:t=mw;break;case as:t=fw;break;case ns:t=yw;break;case is:t=bw;break;case ss:t=xw;break;case rs:t=Tw;break;default:o("WebGPURenderer: Invalid stencil operation.",t)}return t}_getBlendOperation(e){let t;switch(e){case $e:t=aw;break;case Mt:t=ow;break;case Ct:t=uw;break;case cs:t=lw;break;case ds:t=dw;break;default:o("WebGPUPipelineUtils: Blend equation not supported.",e)}return t}_getPrimitiveState(e,t,r){const s={},i=this.backend.utils;s.topology=i.getPrimitiveTopology(e,r),null!==t.index&&!0===e.isLine&&!0!==e.isLineSegments&&(s.stripIndexFormat=t.index.array instanceof Uint16Array?tE:rE);let n=r.side===M;return e.isMesh&&e.matrixWorld.determinant()<0&&(n=!n),s.frontFace=!0===n?ZR:QR,s.cullMode=r.side===B?JR:eE,s}_getColorWriteMask(e){return!0===e.colorWrite?hw:cw}_getDepthCompare(e){let t;if(!1===e.depthTest)t=jR;else{const r=e.depthFunc;switch(r){case Zt:t=kR;break;case Qt:t=jR;break;case Yt:t=GR;break;case Kt:t=$R;break;case Xt:t=zR;break;case jt:t=qR;break;case qt:t=WR;break;case Ht:t=HR;break;default:o("WebGPUPipelineUtils: Invalid depth function.",r)}}return t}}class NC extends FR{constructor(e,t,r=2048){super(r),this.device=e,this.type=t,this.querySet=this.device.createQuerySet({type:"timestamp",count:this.maxQueries,label:`queryset_global_timestamp_${t}`});const s=8*this.maxQueries;this.resolveBuffer=this.device.createBuffer({label:`buffer_timestamp_resolve_${t}`,size:s,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),this.resultBuffer=this.device.createBuffer({label:`buffer_timestamp_result_${t}`,size:s,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ})}allocateQueriesForContext(e){if(!this.trackTimestamp||this.isDisposed)return null;if(this.currentQueryIndex+2>this.maxQueries)return v(`WebGPUTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryOffsets.set(e,t),t}async resolveQueriesAsync(){if(!this.trackTimestamp||0===this.currentQueryIndex||this.isDisposed)return this.lastValue;if(this.pendingResolve)return this.pendingResolve;this.pendingResolve=this._resolveQueries();try{return await this.pendingResolve}finally{this.pendingResolve=null}}async _resolveQueries(){if(this.isDisposed)return this.lastValue;try{if("unmapped"!==this.resultBuffer.mapState)return this.lastValue;const e=new Map(this.queryOffsets),t=this.currentQueryIndex,r=8*t;this.currentQueryIndex=0,this.queryOffsets.clear();const s=this.device.createCommandEncoder();s.resolveQuerySet(this.querySet,0,t,this.resolveBuffer,0),s.copyBufferToBuffer(this.resolveBuffer,0,this.resultBuffer,0,r);const i=s.finish();if(this.device.queue.submit([i]),"unmapped"!==this.resultBuffer.mapState)return this.lastValue;if(await this.resultBuffer.mapAsync(GPUMapMode.READ,0,r),this.isDisposed)return"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue;const n=new BigUint64Array(this.resultBuffer.getMappedRange(0,r)),a={},o=[];for(const[t,r]of e){const e=t.match(/^(.*):f(\d+)$/),s=parseInt(e[2]);!1===o.includes(s)&&o.push(s),void 0===a[s]&&(a[s]=0);const i=n[r],u=n[r+1],l=Number(u-i)/1e6;this.timestamps.set(t,l),a[s]+=l}const u=a[o[o.length-1]];return this.resultBuffer.unmap(),this.lastValue=u,this.frames=o,u}catch(e){return o("Error resolving queries:",e),"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue}}async dispose(){if(!this.isDisposed){if(this.isDisposed=!0,this.pendingResolve)try{await this.pendingResolve}catch(e){o("Error waiting for pending resolve:",e)}if(this.resultBuffer&&"mapped"===this.resultBuffer.mapState)try{this.resultBuffer.unmap()}catch(e){o("Error unmapping buffer:",e)}this.querySet&&(this.querySet.destroy(),this.querySet=null),this.resolveBuffer&&(this.resolveBuffer.destroy(),this.resolveBuffer=null),this.resultBuffer&&(this.resultBuffer.destroy(),this.resultBuffer=null),this.queryOffsets.clear(),this.pendingResolve=null}}}class SC extends gR{constructor(e={}){super(e),this.isWebGPUBackend=!0,this.parameters.alpha=void 0===e.alpha||e.alpha,this.parameters.requiredLimits=void 0===e.requiredLimits?{}:e.requiredLimits,this.compatibilityMode=null,this.device=null,this.defaultRenderPassdescriptor=null,this.utils=new mC(this),this.attributeUtils=new xC(this),this.bindingUtils=new _C(this),this.pipelineUtils=new vC(this),this.textureUtils=new Qw(this),this.occludedResolveCache=new Map;const t="undefined"==typeof navigator||!1===/Android/.test(navigator.userAgent);this._compatibility={[E.TEXTURE_COMPARE]:t}}async init(e){await super.init(e);const t=this.parameters;let r;if(void 0===t.device){const e={powerPreference:t.powerPreference,featureLevel:"compatibility"},s="undefined"!=typeof navigator?await navigator.gpu.requestAdapter(e):null;if(null===s)throw new Error("WebGPUBackend: Unable to create WebGPU adapter.");const i=Object.values(zw),n=[];for(const e of i)s.features.has(e)&&n.push(e);const a={requiredFeatures:n,requiredLimits:t.requiredLimits};r=await s.requestDevice(a)}else r=t.device;this.compatibilityMode=!r.features.has("core-features-and-limits"),this.compatibilityMode&&(e._samples=0),r.lost.then(t=>{if("destroyed"===t.reason)return;const r={api:"WebGPU",message:t.message||"Unknown reason",reason:t.reason||null,originalEvent:t};e.onDeviceLost(r)}),this.device=r,this.trackTimestamp=this.trackTimestamp&&this.hasFeature(zw.TimestampQuery),this.updateSize()}get context(){const e=this.renderer.getCanvasTarget(),t=this.get(e);let r=t.context;if(void 0===r){const s=this.parameters;r=!0===e.isDefaultCanvasTarget&&void 0!==s.context?s.context:e.domElement.getContext("webgpu"),"setAttribute"in e.domElement&&e.domElement.setAttribute("data-engine",`three.js r${at} webgpu`);const i=s.alpha?"premultiplied":"opaque",n=s.outputType===be?"extended":"standard";r.configure({device:this.device,format:this.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC,alphaMode:i,toneMapping:{mode:n}}),t.context=r}return r}get coordinateSystem(){return h}async getArrayBufferAsync(e){return await this.attributeUtils.getArrayBufferAsync(e)}getContext(){return this.context}_getDefaultRenderPassDescriptor(){const e=this.renderer,t=e.getCanvasTarget(),r=this.get(t),s=e.currentSamples;let i=r.descriptor;if(void 0===i||r.samples!==s){i={colorAttachments:[{view:null}]},!0!==e.depth&&!0!==e.stencil||(i.depthStencilAttachment={view:this.textureUtils.getDepthBuffer(e.depth,e.stencil).createView()});const t=i.colorAttachments[0];s>0?t.view=this.textureUtils.getColorBuffer().createView():t.resolveTarget=void 0,r.descriptor=i,r.samples=s}const n=i.colorAttachments[0];return s>0?n.resolveTarget=this.context.getCurrentTexture().createView():n.view=this.context.getCurrentTexture().createView(),i}_isRenderCameraDepthArray(e){return e.depthTexture&&e.depthTexture.image.depth>1&&e.camera.isArrayCamera}_getRenderPassDescriptor(e,t={}){const r=e.renderTarget,s=this.get(r);let i=s.descriptors;void 0!==i&&s.width===r.width&&s.height===r.height&&s.samples===r.samples||(i={},s.descriptors=i);const n=e.getCacheKey();let a=i[n];if(void 0===a){const t=e.textures,o=[];let u;const l=this._isRenderCameraDepthArray(e);for(let s=0;s<t.length;s++){const i=this.get(t[s]),n={label:`colorAttachment_${s}`,baseMipLevel:e.activeMipmapLevel,mipLevelCount:1,baseArrayLayer:e.activeCubeFace,arrayLayerCount:1,dimension:Dw};if(r.isRenderTarget3D)u=e.activeCubeFace,n.baseArrayLayer=0,n.dimension=Ow,n.depthOrArrayLayers=t[s].image.depth;else if(r.isRenderTarget&&t[s].image.depth>1)if(!0===l){const t=e.camera.cameras;for(let e=0;e<t.length;e++){const t={...n,baseArrayLayer:e,arrayLayerCount:1,dimension:Dw},r=i.texture.createView(t);o.push({view:r,resolveTarget:void 0,depthSlice:void 0})}}else n.dimension=Uw,n.depthOrArrayLayers=t[s].image.depth;if(!0!==l){const e=i.texture.createView(n);let t,r;void 0!==i.msaaTexture?(t=i.msaaTexture.createView(),r=e):(t=e,r=void 0),o.push({view:t,resolveTarget:r,depthSlice:u})}}if(a={textureViews:o},e.depth){const t=this.get(e.depthTexture),r={};(e.depthTexture.isArrayTexture||e.depthTexture.isCubeTexture)&&(r.dimension=Dw,r.arrayLayerCount=1,r.baseArrayLayer=e.activeCubeFace),a.depthStencilView=t.texture.createView(r)}i[n]=a,s.width=r.width,s.height=r.height,s.samples=r.samples,s.activeMipmapLevel=e.activeMipmapLevel,s.activeCubeFace=e.activeCubeFace}const o={colorAttachments:[]};for(let e=0;e<a.textureViews.length;e++){const r=a.textureViews[e];let s={r:0,g:0,b:0,a:1};0===e&&t.clearValue&&(s=t.clearValue),o.colorAttachments.push({view:r.view,depthSlice:r.depthSlice,resolveTarget:r.resolveTarget,loadOp:t.loadOp||KR,storeOp:t.storeOp||XR,clearValue:s})}return a.depthStencilView&&(o.depthStencilAttachment={view:a.depthStencilView}),o}beginRender(e){const t=this.get(e),r=this.device,s=e.occlusionQueryCount;let i,n;s>0&&(t.currentOcclusionQuerySet&&t.currentOcclusionQuerySet.destroy(),t.currentOcclusionQueryBuffer&&t.currentOcclusionQueryBuffer.destroy(),t.currentOcclusionQuerySet=t.occlusionQuerySet,t.currentOcclusionQueryBuffer=t.occlusionQueryBuffer,t.currentOcclusionQueryObjects=t.occlusionQueryObjects,i=r.createQuerySet({type:"occlusion",count:s,label:`occlusionQuerySet_${e.id}`}),t.occlusionQuerySet=i,t.occlusionQueryIndex=0,t.occlusionQueryObjects=new Array(s),t.lastOcclusionObject=null),n=null===e.textures?this._getDefaultRenderPassDescriptor():this._getRenderPassDescriptor(e,{loadOp:KR}),this.initTimestampQuery(At.RENDER,this.getTimestampUID(e),n),n.occlusionQuerySet=i;const a=n.depthStencilAttachment;if(null!==e.textures){const t=n.colorAttachments;for(let r=0;r<t.length;r++){const s=t[r];e.clearColor?(s.clearValue=0===r?e.clearColorValue:{r:0,g:0,b:0,a:1},s.loadOp=YR):s.loadOp=KR,s.storeOp=XR}}else{const t=n.colorAttachments[0];e.clearColor?(t.clearValue=e.clearColorValue,t.loadOp=YR):t.loadOp=KR,t.storeOp=XR}e.depth&&(e.clearDepth?(a.depthClearValue=e.clearDepthValue,a.depthLoadOp=YR):a.depthLoadOp=KR,a.depthStoreOp=XR),e.stencil&&(e.clearStencil?(a.stencilClearValue=e.clearStencilValue,a.stencilLoadOp=YR):a.stencilLoadOp=KR,a.stencilStoreOp=XR);const o=r.createCommandEncoder({label:"renderContext_"+e.id});if(!0===this._isRenderCameraDepthArray(e)){const r=e.camera.cameras;t.layerDescriptors&&t.layerDescriptors.length===r.length?this._updateDepthLayerDescriptors(e,t,r):this._createDepthLayerDescriptors(e,t,n,r),t.bundleEncoders=[],t.bundleSets=[];for(let s=0;s<r.length;s++){const r=this.pipelineUtils.createBundleEncoder(e,"renderBundleArrayCamera_"+s),i={attributes:{},bindingGroups:[],pipeline:null,index:null};t.bundleEncoders.push(r),t.bundleSets.push(i)}t.currentPass=null}else{const r=o.beginRenderPass(n);t.currentPass=r,e.viewport&&this.updateViewport(e),e.scissor&&this.updateScissor(e)}t.descriptor=n,t.encoder=o,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.renderBundles=[]}_createDepthLayerDescriptors(e,t,r,s){const i=r.depthStencilAttachment;t.layerDescriptors=[];const n=this.get(e.depthTexture);n.viewCache||(n.viewCache=[]);for(let a=0;a<s.length;a++){const s={...r,colorAttachments:[{...r.colorAttachments[0],view:r.colorAttachments[a].view}]};if(r.depthStencilAttachment){const t=a;n.viewCache[t]||(n.viewCache[t]=n.texture.createView({dimension:Dw,baseArrayLayer:a,arrayLayerCount:1})),s.depthStencilAttachment={view:n.viewCache[t],depthLoadOp:i.depthLoadOp||YR,depthStoreOp:i.depthStoreOp||XR,depthClearValue:i.depthClearValue||1},e.stencil&&(s.depthStencilAttachment.stencilLoadOp=i.stencilLoadOp,s.depthStencilAttachment.stencilStoreOp=i.stencilStoreOp,s.depthStencilAttachment.stencilClearValue=i.stencilClearValue)}else s.depthStencilAttachment={...i};t.layerDescriptors.push(s)}}_updateDepthLayerDescriptors(e,t,r){for(let s=0;s<r.length;s++){const r=t.layerDescriptors[s];if(r.depthStencilAttachment){const t=r.depthStencilAttachment;e.depth&&(e.clearDepth?(t.depthClearValue=e.clearDepthValue,t.depthLoadOp=YR):t.depthLoadOp=KR),e.stencil&&(e.clearStencil?(t.stencilClearValue=e.clearStencilValue,t.stencilLoadOp=YR):t.stencilLoadOp=KR)}}}finishRender(e){const t=this.get(e),r=e.occlusionQueryCount;t.renderBundles.length>0&&t.currentPass.executeBundles(t.renderBundles),r>t.occlusionQueryIndex&&t.currentPass.endOcclusionQuery();const s=t.encoder;if(!0===this._isRenderCameraDepthArray(e)){const r=[];for(let e=0;e<t.bundleEncoders.length;e++){const s=t.bundleEncoders[e];r.push(s.finish())}for(let i=0;i<t.layerDescriptors.length;i++)if(i<r.length){const n=t.layerDescriptors[i],a=s.beginRenderPass(n);if(e.viewport){const{x:t,y:r,width:s,height:i,minDepth:n,maxDepth:o}=e.viewportValue;a.setViewport(t,r,s,i,n,o)}if(e.scissor){const{x:t,y:r,width:s,height:i}=e.scissorValue;a.setScissorRect(t,r,s,i)}a.executeBundles([r[i]]),a.end()}}else t.currentPass&&t.currentPass.end();if(r>0){const s=8*r;let i=this.occludedResolveCache.get(s);void 0===i&&(i=this.device.createBuffer({size:s,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),this.occludedResolveCache.set(s,i));const n=this.device.createBuffer({size:s,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ});t.encoder.resolveQuerySet(t.occlusionQuerySet,0,r,i,0),t.encoder.copyBufferToBuffer(i,0,n,0,s),t.occlusionQueryBuffer=n,this.resolveOccludedAsync(e)}if(this.device.queue.submit([t.encoder.finish()]),null!==e.textures){const t=e.textures;for(let e=0;e<t.length;e++){const r=t[e];!0===r.generateMipmaps&&this.textureUtils.generateMipmaps(r)}}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}async resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueryBuffer:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueryBuffer=null,await r.mapAsync(GPUMapMode.READ);const i=r.getMappedRange(),n=new BigUint64Array(i);for(let t=0;t<s.length;t++)n[t]===BigInt(0)&&e.add(s[t]);r.destroy(),t.occluded=e}}updateViewport(e){const{currentPass:t}=this.get(e),{x:r,y:s,width:i,height:n,minDepth:a,maxDepth:o}=e.viewportValue;t.setViewport(r,s,i,n,a,o)}updateScissor(e){const{currentPass:t}=this.get(e),{x:r,y:s,width:i,height:n}=e.scissorValue;t.setScissorRect(r,s,i,n)}getClearColor(){const e=super.getClearColor();return!0===this.renderer.alpha&&(e.r*=e.a,e.g*=e.a,e.b*=e.a),e}clear(e,t,r,s=null){const i=this.device,n=this.renderer;let a,o,u,l,d=[];if(e){const e=this.getClearColor();o={r:e.r,g:e.g,b:e.b,a:e.a}}if(null===s){u=n.depth,l=n.stencil;const t=this._getDefaultRenderPassDescriptor();if(e){d=t.colorAttachments;const e=d[0];e.clearValue=o,e.loadOp=YR,e.storeOp=XR}(u||l)&&(a=t.depthStencilAttachment)}else{u=s.depth,l=s.stencil;const i={loadOp:e?YR:KR,clearValue:e?o:void 0};u&&(i.depthLoadOp=t?YR:KR,i.depthClearValue=t?n.getClearDepth():void 0,i.depthStoreOp=XR),l&&(i.stencilLoadOp=r?YR:KR,i.stencilClearValue=r?n.getClearStencil():void 0,i.stencilStoreOp=XR);const c=this._getRenderPassDescriptor(s,i);d=c.colorAttachments,a=c.depthStencilAttachment}u&&a&&(t?(a.depthLoadOp=YR,a.depthClearValue=n.getClearDepth(),a.depthStoreOp=XR):(a.depthLoadOp=KR,a.depthStoreOp=XR)),l&&a&&(r?(a.stencilLoadOp=YR,a.stencilClearValue=n.getClearStencil(),a.stencilStoreOp=XR):(a.stencilLoadOp=KR,a.stencilStoreOp=XR));const c=i.createCommandEncoder({label:"clear"});c.beginRenderPass({colorAttachments:d,depthStencilAttachment:a}).end(),i.queue.submit([c.finish()])}beginCompute(e){const t=this.get(e),r={label:"computeGroup_"+e.id};this.initTimestampQuery(At.COMPUTE,this.getTimestampUID(e),r),t.cmdEncoderGPU=this.device.createCommandEncoder({label:"computeGroup_"+e.id}),t.passEncoderGPU=t.cmdEncoderGPU.beginComputePass(r)}compute(e,t,r,s,i=null){const n=this.get(t),{passEncoderGPU:a}=this.get(e),o=this.get(s).pipeline;this.pipelineUtils.setPipeline(a,o);for(let e=0,t=r.length;e<t;e++){const t=r[e],s=this.get(t);a.setBindGroup(e,s.group)}if(null===i&&(i=t.count),i&&"object"==typeof i&&i.isIndirectStorageBufferAttribute){const e=this.get(i).buffer;return void a.dispatchWorkgroupsIndirect(e,0)}if("number"==typeof i){const e=i;if(void 0===n.dispatchSize||n.count!==e){n.dispatchSize=[0,1,1],n.count=e;const r=t.workgroupSize;let s=r[0];for(let e=1;e<r.length;e++)s*=r[e];const a=Math.ceil(e/s),o=this.device.limits.maxComputeWorkgroupsPerDimension;i=[a,1,1],a>o&&(i[0]=Math.min(a,o),i[1]=Math.ceil(a/o)),n.dispatchSize=i}i=n.dispatchSize}a.dispatchWorkgroups(i[0],i[1]||1,i[2]||1)}finishCompute(e){const t=this.get(e);t.passEncoderGPU.end(),this.device.queue.submit([t.cmdEncoderGPU.finish()])}draw(e,t){const{object:r,material:s,context:i,pipeline:n}=e,a=e.getBindings(),o=this.get(i),u=this.get(n),l=u.pipeline;if(!0===u.error)return;const d=e.getIndex(),c=null!==d,h=e.getDrawParameters();if(null===h)return;const p=(t,r)=>{this.pipelineUtils.setPipeline(t,l),r.pipeline=l;const n=r.bindingGroups;for(let e=0,r=a.length;e<r;e++){const r=a[e],s=this.get(r);n[r.index]!==r.id&&(t.setBindGroup(r.index,s.group),n[r.index]=r.id)}if(!0===c&&r.index!==d){const e=this.get(d).buffer,s=d.array instanceof Uint16Array?tE:rE;t.setIndexBuffer(e,s),r.index=d}const u=e.getVertexBuffers();for(let e=0,s=u.length;e<s;e++){const s=u[e];if(r.attributes[e]!==s){const i=this.get(s).buffer;t.setVertexBuffer(e,i),r.attributes[e]=s}}!0===i.stencil&&!0===s.stencilWrite&&o.currentStencilRef!==s.stencilRef&&(t.setStencilReference(s.stencilRef),o.currentStencilRef=s.stencilRef)},g=(i,n)=>{if(p(i,n),!0===r.isBatchedMesh){const e=r._multiDrawStarts,n=r._multiDrawCounts,a=r._multiDrawCount,o=r._multiDrawInstances;null!==o&&v("WebGPUBackend: renderMultiDrawInstances has been deprecated and will be removed in r184. Append to renderMultiDraw arguments and use indirection.");let u=!0===c?d.array.BYTES_PER_ELEMENT:1;s.wireframe&&(u=r.geometry.attributes.position.count>65535?4:2);for(let s=0;s<a;s++){const a=o?o[s]:1,l=a>1?0:s;!0===c?i.drawIndexed(n[s],a,e[s]/u,0,l):i.draw(n[s],a,e[s],l),t.update(r,n[s],a)}}else if(!0===c){const{vertexCount:s,instanceCount:n,firstVertex:a}=h,o=e.getIndirect();if(null!==o){const t=this.get(o).buffer,r=e.getIndirectOffset(),s=Array.isArray(r)?r:[r];for(let e=0;e<s.length;e++)i.drawIndexedIndirect(t,s[e])}else i.drawIndexed(s,n,a,0,0);t.update(r,s,n)}else{const{vertexCount:s,instanceCount:n,firstVertex:a}=h,o=e.getIndirect();if(null!==o){const t=this.get(o).buffer,r=e.getIndirectOffset(),s=Array.isArray(r)?r:[r];for(let e=0;e<s.length;e++)i.drawIndirect(t,s[e])}else i.draw(s,n,a,0);t.update(r,s,n)}};if(e.camera.isArrayCamera&&e.camera.cameras.length>0){const t=this.get(e.camera),s=e.camera.cameras,n=e.getBindingGroup("cameraIndex");if(void 0===t.indexesGPU||t.indexesGPU.length!==s.length){const e=this.get(n),r=[],i=new Uint32Array([0,0,0,0]);for(let t=0,n=s.length;t<n;t++){i[0]=t;const{layoutGPU:s}=e.layout,n=this.bindingUtils.createBindGroupIndex(i,s);r.push(n)}t.indexesGPU=r}const a=this.renderer.getPixelRatio();for(let e=0,u=s.length;e<u;e++){const u=s[e];if(r.layers.test(u.layers)){const r=u.viewport;let s=o.currentPass,l=o.currentSets;if(o.bundleEncoders){s=o.bundleEncoders[e],l=o.bundleSets[e]}r&&s.setViewport(Math.floor(r.x*a),Math.floor(r.y*a),Math.floor(r.width*a),Math.floor(r.height*a),i.viewportValue.minDepth,i.viewportValue.maxDepth),n&&t.indexesGPU&&(s.setBindGroup(n.index,t.indexesGPU[e]),l.bindingGroups[n.index]=n.id),g(s,l)}}}else if(o.currentPass){if(void 0!==o.occlusionQuerySet){const e=o.lastOcclusionObject;e!==r&&(null!==e&&!0===e.occlusionTest&&(o.currentPass.endOcclusionQuery(),o.occlusionQueryIndex++),!0===r.occlusionTest&&(o.currentPass.beginOcclusionQuery(o.occlusionQueryIndex),o.occlusionQueryObjects[o.occlusionQueryIndex]=r),o.lastOcclusionObject=r)}g(o.currentPass,o.currentSets)}}needsRenderUpdate(e){const t=this.get(e),{object:r,material:s}=e,i=this.utils,n=i.getSampleCountRenderContext(e.context),a=i.getCurrentColorSpace(e.context),o=i.getCurrentColorFormat(e.context),u=i.getCurrentDepthStencilFormat(e.context),l=i.getPrimitiveTopology(r,s);let d=!1;return t.material===s&&t.materialVersion===s.version&&t.transparent===s.transparent&&t.blending===s.blending&&t.premultipliedAlpha===s.premultipliedAlpha&&t.blendSrc===s.blendSrc&&t.blendDst===s.blendDst&&t.blendEquation===s.blendEquation&&t.blendSrcAlpha===s.blendSrcAlpha&&t.blendDstAlpha===s.blendDstAlpha&&t.blendEquationAlpha===s.blendEquationAlpha&&t.colorWrite===s.colorWrite&&t.depthWrite===s.depthWrite&&t.depthTest===s.depthTest&&t.depthFunc===s.depthFunc&&t.stencilWrite===s.stencilWrite&&t.stencilFunc===s.stencilFunc&&t.stencilFail===s.stencilFail&&t.stencilZFail===s.stencilZFail&&t.stencilZPass===s.stencilZPass&&t.stencilFuncMask===s.stencilFuncMask&&t.stencilWriteMask===s.stencilWriteMask&&t.side===s.side&&t.alphaToCoverage===s.alphaToCoverage&&t.sampleCount===n&&t.colorSpace===a&&t.colorFormat===o&&t.depthStencilFormat===u&&t.primitiveTopology===l&&t.clippingContextCacheKey===e.clippingContextCacheKey||(t.material=s,t.materialVersion=s.version,t.transparent=s.transparent,t.blending=s.blending,t.premultipliedAlpha=s.premultipliedAlpha,t.blendSrc=s.blendSrc,t.blendDst=s.blendDst,t.blendEquation=s.blendEquation,t.blendSrcAlpha=s.blendSrcAlpha,t.blendDstAlpha=s.blendDstAlpha,t.blendEquationAlpha=s.blendEquationAlpha,t.colorWrite=s.colorWrite,t.depthWrite=s.depthWrite,t.depthTest=s.depthTest,t.depthFunc=s.depthFunc,t.stencilWrite=s.stencilWrite,t.stencilFunc=s.stencilFunc,t.stencilFail=s.stencilFail,t.stencilZFail=s.stencilZFail,t.stencilZPass=s.stencilZPass,t.stencilFuncMask=s.stencilFuncMask,t.stencilWriteMask=s.stencilWriteMask,t.side=s.side,t.alphaToCoverage=s.alphaToCoverage,t.sampleCount=n,t.colorSpace=a,t.colorFormat=o,t.depthStencilFormat=u,t.primitiveTopology=l,t.clippingContextCacheKey=e.clippingContextCacheKey,d=!0),d}getRenderCacheKey(e){const{object:t,material:r}=e,s=this.utils,i=e.context,n=t.isMesh&&t.matrixWorld.determinant()<0;return[r.transparent,r.blending,r.premultipliedAlpha,r.blendSrc,r.blendDst,r.blendEquation,r.blendSrcAlpha,r.blendDstAlpha,r.blendEquationAlpha,r.colorWrite,r.depthWrite,r.depthTest,r.depthFunc,r.stencilWrite,r.stencilFunc,r.stencilFail,r.stencilZFail,r.stencilZPass,r.stencilFuncMask,r.stencilWriteMask,r.side,n,s.getSampleCountRenderContext(i),s.getCurrentColorSpace(i),s.getCurrentColorFormat(i),s.getCurrentDepthStencilFormat(i),s.getPrimitiveTopology(t,r),e.getGeometryCacheKey(),e.clippingContextCacheKey].join()}updateSampler(e){return this.textureUtils.updateSampler(e)}createDefaultTexture(e){return this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e,t=!1){this.textureUtils.destroyTexture(e,t)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}initTimestampQuery(e,t,r){if(!this.trackTimestamp)return;this.timestampQueryPool[e]||(this.timestampQueryPool[e]=new NC(this.device,e,2048));const s=this.timestampQueryPool[e],i=s.allocateQueriesForContext(t);r.timestampWrites={querySet:s.querySet,beginningOfPassWriteIndex:i,endOfPassWriteIndex:i+1}}createNodeBuilder(e,t){return new gC(e,t)}createProgram(e){this.get(e).module={module:this.device.createShaderModule({code:e.code,label:e.stage+(""!==e.name?`_${e.name}`:"")}),entryPoint:"main"}}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){this.pipelineUtils.createRenderPipeline(e,t)}createComputePipeline(e,t){this.pipelineUtils.createComputePipeline(e,t)}beginBundle(e){const t=this.get(e);t._currentPass=t.currentPass,t._currentSets=t.currentSets,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.currentPass=this.pipelineUtils.createBundleEncoder(e)}finishBundle(e,t){const r=this.get(e),s=r.currentPass.finish();this.get(t).bundleGPU=s,r.currentSets=r._currentSets,r.currentPass=r._currentPass}addBundle(e,t){this.get(e).renderBundles.push(this.get(t).bundleGPU)}createBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBinding(e){this.bindingUtils.updateBinding(e)}deleteBindGroupData(e){this.bindingUtils.deleteBindGroupData(e)}createIndexAttribute(e){let t=GPUBufferUsage.INDEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST;(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(t|=GPUBufferUsage.STORAGE),this.attributeUtils.createAttribute(e,t)}createAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createIndirectStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.INDIRECT|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}updateSize(){this.delete(this.renderer.getCanvasTarget())}getMaxAnisotropy(){return 16}hasFeature(e){return void 0!==$w[e]&&(e=$w[e]),this.device.features.has(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){let a=0,o=0,u=0,l=0,d=0,c=0,h=e.image.width,p=e.image.height,g=1;null!==r&&(!0===r.isBox3?(l=r.min.x,d=r.min.y,c=r.min.z,h=r.max.x-r.min.x,p=r.max.y-r.min.y,g=r.max.z-r.min.z):(l=r.min.x,d=r.min.y,h=r.max.x-r.min.x,p=r.max.y-r.min.y,g=1)),null!==s&&(a=s.x,o=s.y,u=s.z||0);const m=this.device.createCommandEncoder({label:"copyTextureToTexture_"+e.id+"_"+t.id}),f=this.get(e).texture,y=this.get(t).texture;m.copyTextureToTexture({texture:f,mipLevel:i,origin:{x:l,y:d,z:c}},{texture:y,mipLevel:n,origin:{x:a,y:o,z:u}},[h,p,g]),this.device.queue.submit([m.finish()]),0===n&&t.generateMipmaps&&this.textureUtils.generateMipmaps(t)}copyFramebufferToTexture(e,t,r){const s=this.get(t);let i=null;i=t.renderTarget?e.isDepthTexture?this.get(t.depthTexture).texture:this.get(t.textures[0]).texture:e.isDepthTexture?this.textureUtils.getDepthBuffer(t.depth,t.stencil):this.context.getCurrentTexture();const n=this.get(e).texture;if(i.format!==n.format)return void o("WebGPUBackend: copyFramebufferToTexture: Source and destination formats do not match.",i.format,n.format);let a;if(s.currentPass?(s.currentPass.end(),a=s.encoder):a=this.device.createCommandEncoder({label:"copyFramebufferToTexture_"+e.id}),a.copyTextureToTexture({texture:i,origin:[r.x,r.y,0]},{texture:n},[r.z,r.w]),e.generateMipmaps&&this.textureUtils.generateMipmaps(e,a),s.currentPass){const{descriptor:e}=s;for(let t=0;t<e.colorAttachments.length;t++)e.colorAttachments[t].loadOp=KR;t.depth&&(e.depthStencilAttachment.depthLoadOp=KR),t.stencil&&(e.depthStencilAttachment.stencilLoadOp=KR),s.currentPass=a.beginRenderPass(e),s.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.viewport&&this.updateViewport(t),t.scissor&&this.updateScissor(t)}else this.device.queue.submit([a.finish()])}hasCompatibility(e){return void 0!==this._compatibility[E.TEXTURE_COMPARE]?this._compatibility[E.TEXTURE_COMPARE]:super.hasCompatibility(e)}dispose(){if(this.bindingUtils.dispose(),this.textureUtils.dispose(),this.occludedResolveCache){for(const e of this.occludedResolveCache.values())e.destroy();this.occludedResolveCache.clear()}if(this.timestampQueryPool)for(const e of Object.values(this.timestampQueryPool))null!==e&&e.dispose();void 0===this.parameters.device&&null!==this.device&&this.device.destroy()}}class RC extends hs{constructor(e,t,r,s,i,n){super(e,t,r,s,i,n),this.iesMap=null}copy(e,t){return super.copy(e,t),this.iesMap=e.iesMap,this}}class EC extends hs{constructor(e,t,r,s,i,n){super(e,t,r,s,i,n),this.aspect=null}copy(e,t){return super.copy(e,t),this.aspect=e.aspect,this}}class AC extends TS{constructor(){super(),this.addMaterial($g,"MeshPhongMaterial"),this.addMaterial(If,"MeshStandardMaterial"),this.addMaterial(Vf,"MeshPhysicalMaterial"),this.addMaterial(Hf,"MeshToonMaterial"),this.addMaterial(Pg,"MeshBasicMaterial"),this.addMaterial(Gg,"MeshLambertMaterial"),this.addMaterial(_g,"MeshNormalMaterial"),this.addMaterial(Xf,"MeshMatcapMaterial"),this.addMaterial(mg,"LineBasicMaterial"),this.addMaterial(yg,"LineDashedMaterial"),this.addMaterial(ty,"PointsMaterial"),this.addMaterial(Zf,"SpriteMaterial"),this.addMaterial(ny,"ShadowMaterial"),this.addLight(dv,ps),this.addLight(jN,gs),this.addLight(sS,ms),this.addLight(KN,hs),this.addLight(qN,fs),this.addLight(XN,ys),this.addLight(QN,bs),this.addLight(YN,RC),this.addLight(JN,EC),this.addToneMapping(Jx,xs),this.addToneMapping(eT,Ts),this.addToneMapping(tT,_s),this.addToneMapping(sT,vs),this.addToneMapping(oT,Ns),this.addToneMapping(uT,Ss)}}class wC extends $S{constructor(e={}){let t;e.forceWebGL?t=PR:(t=SC,e.getFallback=()=>(d("WebGPURenderer: WebGPU is not available, running under WebGL2 backend."),new PR(e)));super(new t(e),e),this.library=new AC,this.isWebGPURenderer=!0,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}}class CC extends Rs{constructor(){super(),this.isBundleGroup=!0,this.type="BundleGroup",this.static=!0,this.version=0}set needsUpdate(e){!0===e&&this.version++}}class MC{constructor(e,t=En(0,0,1,1)){this.renderer=e,this.outputNode=t,this.outputColorTransform=!0,this.needsUpdate=!0;const r=new pg;r.name="RenderPipeline",this._quadMesh=new ax(r),this._quadMesh.name="Render Pipeline",this._context=null}render(){const e=this.renderer;this._update(),null!==this._context.onBeforeRenderPipeline&&this._context.onBeforeRenderPipeline();const t=e.toneMapping,r=e.outputColorSpace;e.toneMapping=m,e.outputColorSpace=p.workingColorSpace;const s=e.xr.enabled;e.xr.enabled=!1,this._quadMesh.render(e),e.xr.enabled=s,e.toneMapping=t,e.outputColorSpace=r,null!==this._context.onAfterRenderPipeline&&this._context.onAfterRenderPipeline()}get context(){return this._context}dispose(){this._quadMesh.material.dispose()}_update(){if(!0===this.needsUpdate){const e=this.renderer,t=e.toneMapping,r=e.outputColorSpace,s={renderPipeline:this,onBeforeRenderPipeline:null,onAfterRenderPipeline:null};let i=this.outputNode;!0===this.outputColorTransform?(i=i.context(s),i=yl(i,t,r)):(s.toneMapping=t,s.outputColorSpace=r,i=i.context(s)),this._context=s,this._quadMesh.material.fragmentNode=i,this._quadMesh.material.needsUpdate=!0,this.needsUpdate=!1}}async renderAsync(){v('RenderPipeline: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await this.renderer.init(),this.render()}}class BC extends MC{constructor(e,t){v('PostProcessing: "PostProcessing" has been renamed to "RenderPipeline". Please update your code to use "THREE.RenderPipeline" instead.'),super(e,t)}}class FC extends N{constructor(e=1,t=1){super(),this.image={width:e,height:t},this.magFilter=oe,this.minFilter=oe,this.isStorageTexture=!0,this.mipmapsAutoUpdate=!0}setSize(e,t){this.image.width===e&&this.image.height===t||(this.image.width=e,this.image.height=t,this.dispose())}}class LC extends N{constructor(e=1,t=1,r=1){super(),this.isArrayTexture=!1,this.image={width:e,height:t,depth:r},this.magFilter=oe,this.minFilter=oe,this.wrapR=xe,this.isStorageTexture=!0,this.is3DTexture=!0}setSize(e,t,r){this.image.width===e&&this.image.height===t&&this.image.depth===r||(this.image.width=e,this.image.height=t,this.image.depth=r,this.dispose())}}class PC extends N{constructor(e=1,t=1,r=1){super(),this.isArrayTexture=!0,this.image={width:e,height:t,depth:r},this.magFilter=oe,this.minFilter=oe,this.isStorageTexture=!0}setSize(e,t,r){this.image.width===e&&this.image.height===t&&this.image.depth===r||(this.image.width=e,this.image.height=t,this.image.depth=r,this.dispose())}}class DC extends xx{constructor(e,t){super(e,t,Uint32Array),this.isIndirectStorageBufferAttribute=!0}}class UC extends Es{constructor(e){super(e),this.textures={},this.nodes={}}load(e,t,r,s){const i=new As(this.manager);i.setPath(this.path),i.setRequestHeader(this.requestHeader),i.setWithCredentials(this.withCredentials),i.load(e,r=>{try{t(this.parse(JSON.parse(r)))}catch(t){s?s(t):o(t),this.manager.itemError(e)}},r,s)}parseNodes(e){const t={};if(void 0!==e){for(const r of e){const{uuid:e,type:s}=r;t[e]=this.createNodeFromType(s),t[e].uuid=e}const r={nodes:t,textures:this.textures};for(const s of e){s.meta=r;t[s.uuid].deserialize(s),delete s.meta}}return t}parse(e){const t=this.createNodeFromType(e.type);t.uuid=e.uuid;const r={nodes:this.parseNodes(e.nodes),textures:this.textures};return e.meta=r,t.deserialize(e),delete e.meta,t}setTextures(e){return this.textures=e,this}setNodes(e){return this.nodes=e,this}createNodeFromType(e){return void 0===this.nodes[e]?(o("NodeLoader: Node type not found:",e),gn()):new this.nodes[e]}}class IC extends ws{constructor(e){super(e),this.nodes={},this.nodeMaterials={}}parse(e){const t=super.parse(e),r=this.nodes,s=e.inputNodes;for(const e in s){const i=s[e];t[e]=r[i]}return t}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}createMaterialFromType(e){const t=this.nodeMaterials[e];return void 0!==t?new t:super.createMaterialFromType(e)}}class OC extends Cs{constructor(e){super(e),this.nodes={},this.nodeMaterials={},this._nodesJSON=null}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}parse(e,t){this._nodesJSON=e.nodes;const r=super.parse(e,t);return this._nodesJSON=null,r}parseNodes(e,t){if(void 0!==e){const r=new UC;return r.setNodes(this.nodes),r.setTextures(t),r.parseNodes(e)}return{}}parseMaterials(e,t){const r={};if(void 0!==e){const s=this.parseNodes(this._nodesJSON,t),i=new IC;i.setTextures(t),i.setNodes(s),i.setNodeMaterials(this.nodeMaterials);for(let t=0,s=e.length;t<s;t++){const s=e[t];r[s.uuid]=i.parse(s)}}return r}}class VC extends Rs{constructor(){super(),this.isClippingGroup=!0,this.clippingPlanes=[],this.enabled=!0,this.clipIntersection=!1,this.clipShadows=!1}}export{vs as ACESFilmicToneMapping,Fp as AONode,$e as AddEquation,ce as AddOperation,Wt as AdditiveBlending,Ns as AgXToneMapping,sr as AlphaFormat,$r as AlwaysCompare,Qt as AlwaysDepth,es as AlwaysStencilFunc,fs as AmbientLight,qN as AmbientLightNode,ov as AnalyticLightNode,ot as ArrayCamera,li as ArrayElementNode,va as ArrayNode,Sa as AssignNode,LT as AtomicFunctionNode,Nl as AttributeNode,M as BackSide,CT as BarrierNode,Cg as BasicEnvironmentNode,Mg as BasicLightMapNode,et as BasicShadowMap,bp as BatchNode,ub as BitcastNode,hb as BitcountNode,rb as BlendMode,ie as BoxGeometry,Ee as BufferAttribute,Qu as BufferAttributeNode,Te as BufferGeometry,Ul as BufferNode,Gl as BuiltinNode,gh as BumpMapNode,CC as BundleGroup,ul as BypassNode,_t as ByteType,PS as CanvasTarget,_s as CineonToneMapping,xe as ClampToEdgeWrapping,VC as ClippingGroup,eg as ClippingNode,lT as CodeNode,e as Color,p as ColorManagement,Vu as ColorSpaceNode,E as Compatibility,vT as ComputeBuiltinNode,rl as ComputeNode,yu as ConditionalNode,xi as ConstNode,xu as ContextNode,di as ConvertNode,ue as CubeCamera,tt as CubeDepthTexture,Rg as CubeMapNode,P as CubeReflectionMapping,D as CubeRefractionMapping,Ng as CubeRenderTarget,L as CubeTexture,Ac as CubeTextureNode,Re as CubeUVReflectionMapping,kt as CullFaceBack,Gt as CullFaceFront,Vt as CullFaceNone,dt as CustomBlending,ht as CylinderGeometry,q as DataArrayTexture,ye as DataTexture,bl as DebugNode,is as DecrementStencilOp,rs as DecrementWrapStencilOp,Ie as DepthFormat,Ue as DepthStencilFormat,Y as DepthTexture,gs as DirectionalLight,jN as DirectionalLightNode,B as DoubleSide,Pt as DstAlphaFactor,Dt as DstColorFactor,x as DynamicDrawUsage,Lf as EnvironmentNode,zr as EqualCompare,Xt as EqualDepth,Qr as EqualStencilFunc,le as EquirectangularReflectionMapping,de as EquirectangularRefractionMapping,F as Euler,u as EventDispatcher,fx as EventNode,pl as ExpressionNode,As as FileLoader,fi as FlipNode,nt as Float16BufferAttribute,Xe as Float32BufferAttribute,j as FloatType,X as FramebufferTexture,ec as FrontFacingNode,lt as FrontSide,yt as Frustum,ft as FrustumArray,Ea as FunctionCallNode,cT as FunctionNode,Cb as FunctionOverloadingNode,dS as GLSLNodeParser,kr as GreaterCompare,qt as GreaterDepth,Gr as GreaterEqualCompare,jt as GreaterEqualDepth,Yr as GreaterEqualStencilFunc,Kr as GreaterStencilFunc,Rs as Group,be as HalfFloatType,ys as HemisphereLight,XN as HemisphereLightNode,RC as IESSpotLight,YN as IESSpotLightNode,ns as IncrementStencilOp,ss as IncrementWrapStencilOp,op as IndexNode,DC as IndirectStorageBufferAttribute,yi as InputNode,Tl as InspectorBase,_l as InspectorNode,gp as InstanceNode,W as InstancedBufferAttribute,H as InstancedInterleavedBuffer,fp as InstancedMeshNode,R as IntType,b as InterleavedBuffer,y as InterleavedBufferAttribute,as as InvertStencilOp,Dp as IrradianceNode,nl as IsolateNode,hi as JoinNode,ls as KeepStencilOp,A as LessCompare,Yt as LessDepth,Qe as LessEqualCompare,Kt as LessEqualDepth,Zr as LessEqualStencilFunc,Jr as LessStencilFunc,bs as LightProbe,QN as LightProbeNode,NS as Lighting,Lp as LightingContextNode,Bg as LightingModel,Bp as LightingNode,x_ as LightsNode,xg as Line2NodeMaterial,Z as LineBasicMaterial,mg as LineBasicNodeMaterial,J as LineDashedMaterial,yg as LineDashedNodeMaterial,oe as LinearFilter,je as LinearMipMapLinearFilter,K as LinearMipmapLinearFilter,st as LinearMipmapNearestFilter,Ne as LinearSRGBColorSpace,xs as LinearToneMapping,Hr as LinearTransfer,Es as Loader,Np as LoopNode,ab as MRTNode,Q as Material,We as MaterialBlending,ws as MaterialLoader,yh as MaterialNode,Pc as MaterialReferenceNode,ro as MathNode,l as MathUtils,i as Matrix2,n as Matrix3,a as Matrix4,ds as MaxEquation,wl as MaxMipLevelNode,Ti as MemberNode,ne as Mesh,ge as MeshBasicMaterial,Pg as MeshBasicNodeMaterial,me as MeshLambertMaterial,Gg as MeshLambertNodeMaterial,Me as MeshMatcapMaterial,Xf as MeshMatcapNodeMaterial,te as MeshNormalMaterial,_g as MeshNormalNodeMaterial,fe as MeshPhongMaterial,$g as MeshPhongNodeMaterial,we as MeshPhysicalMaterial,Vf as MeshPhysicalNodeMaterial,Gf as MeshSSSNodeMaterial,Ae as MeshStandardMaterial,If as MeshStandardNodeMaterial,Ce as MeshToonMaterial,Hf as MeshToonNodeMaterial,cs as MinEquation,Ur as MirroredRepeatWrapping,he as MixOperation,Ld as ModelNode,Cp as MorphNode,zt as MultiplyBlending,pe as MultiplyOperation,w as NearestFilter,it as NearestMipmapLinearFilter,Or as NearestMipmapNearestFilter,Ss as NeutralToneMapping,Wr as NeverCompare,Zt as NeverDepth,ts as NeverStencilFunc,ee as NoBlending,T as NoColorSpace,I as NoNormalPacking,m as NoToneMapping,ui as Node,ti as NodeAccess,pN as NodeAttribute,$N as NodeBuilder,xN as NodeCache,yN as NodeCode,Ml as NodeError,WN as NodeFrame,HN as NodeFunctionInput,UC as NodeLoader,pg as NodeMaterial,IC as NodeMaterialLoader,Fs as NodeMaterialObserver,OC as NodeObjectLoader,Zs as NodeShaderStage,ei as NodeType,gN as NodeUniform,Js as NodeUpdateType,Qs as NodeUtils,mN as NodeVar,fN as NodeVarying,ke as NormalBlending,V as NormalGAPacking,dh as NormalMapNode,O as NormalRGPacking,Vr as NotEqualCompare,Ht as NotEqualDepth,Xr as NotEqualStencilFunc,qe as Object3D,Ed as Object3DNode,Cs as ObjectLoader,k as ObjectSpaceNormalMap,Ot as OneFactor,Bt as OneMinusDstAlphaFactor,Ft as OneMinusDstColorFactor,ze as OneMinusSrcAlphaFactor,Lt as OneMinusSrcColorFactor,Ca as OperatorNode,_e as OrthographicCamera,eb as OutputStructNode,Ze as PCFShadowMap,Je as PCFSoftShadowMap,vf as PMREMGenerator,Mf as PMREMNode,bb as PackFloatNode,Ky as ParameterNode,Qx as PassNode,ve as PerspectiveCamera,Vg as PhongLightingModel,Im as PhysicalLightingModel,He as Plane,ut as PlaneGeometry,ps as PointLight,dv as PointLightNode,nv as PointShadowNode,Tx as PointUVNode,Fe as PointsMaterial,ty as PointsNodeMaterial,BC as PostProcessing,EC as ProjectorLight,JN as ProjectorLightNode,Dn as PropertyNode,ax as QuadMesh,pt as Quaternion,mr as R11_EAC_Format,z as RED_GREEN_RGTC2_Format,Lr as RED_RGTC1_Format,at as REVISION,$ as RG11_EAC_Format,Se as RGBAFormat,Et as RGBAIntegerFormat,Cr as RGBA_ASTC_10x10_Format,Er as RGBA_ASTC_10x5_Format,Ar as RGBA_ASTC_10x6_Format,wr as RGBA_ASTC_10x8_Format,Mr as RGBA_ASTC_12x10_Format,Br as RGBA_ASTC_12x12_Format,br as RGBA_ASTC_4x4_Format,xr as RGBA_ASTC_5x4_Format,Tr as RGBA_ASTC_5x5_Format,_r as RGBA_ASTC_6x5_Format,vr as RGBA_ASTC_6x6_Format,Nr as RGBA_ASTC_8x5_Format,Sr as RGBA_ASTC_8x6_Format,Rr as RGBA_ASTC_8x8_Format,Fr as RGBA_BPTC_Format,gr as RGBA_ETC2_EAC_Format,cr as RGBA_PVRTC_2BPPV1_Format,dr as RGBA_PVRTC_4BPPV1_Format,nr as RGBA_S3TC_DXT1_Format,ar as RGBA_S3TC_DXT3_Format,or as RGBA_S3TC_DXT5_Format,Rt as RGBFormat,St as RGBIntegerFormat,hr as RGB_ETC1_Format,pr as RGB_ETC2_Format,lr as RGB_PVRTC_2BPPV1_Format,ur as RGB_PVRTC_4BPPV1_Format,ir as RGB_S3TC_DXT1_Format,G as RGFormat,Nt as RGIntegerFormat,ux as RTTNode,TT as RangeNode,ms as RectAreaLight,sS as RectAreaLightNode,xt as RedFormat,bt as RedIntegerFormat,$u as ReferenceBaseNode,Bc as ReferenceNode,tx as ReflectorNode,Ts as ReinhardToneMapping,dl as RemapNode,fl as RenderOutputNode,MC as RenderPipeline,se as RenderTarget,Wu as RendererReferenceNode,M_ as RendererUtils,Ir as RepeatWrapping,os as ReplaceStencilOp,Ct as ReverseSubtractEquation,Kf as RotateNode,fr as SIGNED_R11_EAC_Format,Dr as SIGNED_RED_GREEN_RGTC2_Format,Pr as SIGNED_RED_RGTC1_Format,yr as SIGNED_RG11_EAC_Format,re as SRGBColorSpace,g as SRGBTransfer,mx as SampleNode,ae as Scene,Hl as ScreenNode,mi as SetNode,T_ as ShadowBaseNode,Le as ShadowMaterial,q_ as ShadowNode,ny as ShadowNodeMaterial,Tt as ShortType,_p as SkinningNode,C as Sphere,rt as SphereGeometry,gi as SplitNode,hs as SpotLight,KN as SpotLightNode,Be as SpriteMaterial,Zf as SpriteNodeMaterial,Ge as SrcAlphaFactor,Ut as SrcAlphaSaturateFactor,It as SrcColorFactor,Yy as StackNode,Ps as StackTrace,f as StaticDrawUsage,LC as Storage3DTexture,sp as StorageArrayElementNode,PC as StorageArrayTexture,xx as StorageBufferAttribute,np as StorageBufferNode,bx as StorageInstancedBufferAttribute,FC as StorageTexture,Ax as StorageTextureNode,Jy as StructNode,Zy as StructTypeNode,Bu as SubBuildNode,UT as SubgroupFunctionNode,Mt as SubtractEquation,$t as SubtractiveBlending,oN as TSL,U as TangentSpaceNormalMap,ci as TempNode,N as Texture,Mx as Texture3DNode,Fl as TextureNode,El as TextureSizeNode,At as TimestampQuery,qu as ToneMappingNode,Zx as ToonOutlinePassNode,Ke as UVMapping,De as Uint16BufferAttribute,Pe as Uint32BufferAttribute,Vl as UniformArrayNode,ga as UniformGroupNode,Ta as UniformNode,vb as UnpackFloatNode,Ve as UnsignedByteType,rr as UnsignedInt101111Type,Oe as UnsignedInt248Type,tr as UnsignedInt5999Type,S as UnsignedIntType,Jt as UnsignedShort4444Type,er as UnsignedShort5551Type,vt as UnsignedShortType,Fx as UserDataNode,Ye as VSMShadowMap,Eu as VarNode,Lu as VaryingNode,t as Vector2,r as Vector3,s as Vector4,Px as VelocityNode,ig as VertexColorNode,Hp as ViewportDepthNode,$p as ViewportDepthTextureNode,qx as ViewportSharedTextureNode,Ip as ViewportTextureNode,dy as VolumeNodeMaterial,c as WebGLCoordinateSystem,h as WebGPUCoordinateSystem,wC as WebGPURenderer,gt as WebXRController,FT as WorkgroupInfoNode,ct as ZeroFactor,us as ZeroStencilOp,wt as createCanvasElement,si as defaultBuildStages,ri as defaultShaderStages,o as error,_ as log,ii as shaderStages,ni as vectorComponents,d as warn,v as warnOnce};
+import{Color as e,Vector2 as t,Vector3 as r,Vector4 as s,Matrix2 as i,Matrix3 as n,Matrix4 as a,error as o,EventDispatcher as u,MathUtils as l,warn as d,WebGLCoordinateSystem as c,WebGPUCoordinateSystem as h,ColorManagement as p,SRGBTransfer as g,NoToneMapping as m,StaticDrawUsage as f,InterleavedBufferAttribute as y,InterleavedBuffer as b,DynamicDrawUsage as x,NoColorSpace as T,log as _,warnOnce as v,Texture as N,UnsignedIntType as S,IntType as R,Compatibility as E,LessCompare as A,NearestFilter as w,Sphere as C,BackSide as M,DoubleSide as B,Euler as F,CubeTexture as L,CubeReflectionMapping as P,CubeRefractionMapping as D,TangentSpaceNormalMap as U,NoNormalPacking as I,NormalRGPacking as O,NormalGAPacking as V,ObjectSpaceNormalMap as k,RGFormat as G,RED_GREEN_RGTC2_Format as z,RG11_EAC_Format as $,InstancedBufferAttribute as W,InstancedInterleavedBuffer as H,DataArrayTexture as q,FloatType as j,FramebufferTexture as X,LinearMipmapLinearFilter as K,DepthTexture as Y,Material as Q,LineBasicMaterial as Z,LineDashedMaterial as J,NoBlending as ee,MeshNormalMaterial as te,SRGBColorSpace as re,RenderTarget as se,BoxGeometry as ie,Mesh as ne,Scene as ae,LinearFilter as oe,CubeCamera as ue,EquirectangularReflectionMapping as le,EquirectangularRefractionMapping as de,AddOperation as ce,MixOperation as he,MultiplyOperation as pe,MeshBasicMaterial as ge,MeshLambertMaterial as me,MeshPhongMaterial as fe,DataTexture as ye,HalfFloatType as be,ClampToEdgeWrapping as xe,BufferGeometry as Te,OrthographicCamera as _e,PerspectiveCamera as ve,LinearSRGBColorSpace as Ne,RGBAFormat as Se,CubeUVReflectionMapping as Re,BufferAttribute as Ee,MeshStandardMaterial as Ae,MeshPhysicalMaterial as we,MeshToonMaterial as Ce,MeshMatcapMaterial as Me,SpriteMaterial as Be,PointsMaterial as Fe,ShadowMaterial as Le,Uint32BufferAttribute as Pe,Uint16BufferAttribute as De,DepthStencilFormat as Ue,DepthFormat as Ie,UnsignedInt248Type as Oe,UnsignedByteType as Ve,NormalBlending as ke,SrcAlphaFactor as Ge,OneMinusSrcAlphaFactor as ze,AddEquation as $e,MaterialBlending as We,Plane as He,Object3D as qe,LinearMipMapLinearFilter as je,Float32BufferAttribute as Xe,UVMapping as Ke,VSMShadowMap as Ye,GreaterEqualCompare as Qe,LessEqualCompare as Ze,PCFShadowMap as Je,PCFSoftShadowMap as et,BasicShadowMap as tt,CubeDepthTexture as rt,SphereGeometry as st,LinearMipmapNearestFilter as it,NearestMipmapLinearFilter as nt,Float16BufferAttribute as at,REVISION as ot,ArrayCamera as ut,PlaneGeometry as lt,FrontSide as dt,CustomBlending as ct,ZeroFactor as ht,CylinderGeometry as pt,Quaternion as gt,WebXRController as mt,RAD2DEG as ft,FrustumArray as yt,Frustum as bt,RedIntegerFormat as xt,RedFormat as Tt,ShortType as _t,ByteType as vt,UnsignedShortType as Nt,RGIntegerFormat as St,RGBIntegerFormat as Rt,RGBFormat as Et,RGBAIntegerFormat as At,TimestampQuery as wt,createCanvasElement as Ct,ReverseSubtractEquation as Mt,SubtractEquation as Bt,OneMinusDstAlphaFactor as Ft,OneMinusDstColorFactor as Lt,OneMinusSrcColorFactor as Pt,DstAlphaFactor as Dt,DstColorFactor as Ut,SrcAlphaSaturateFactor as It,SrcColorFactor as Ot,OneFactor as Vt,CullFaceNone as kt,CullFaceBack as Gt,CullFaceFront as zt,MultiplyBlending as $t,SubtractiveBlending as Wt,AdditiveBlending as Ht,NotEqualDepth as qt,GreaterDepth as jt,GreaterEqualDepth as Xt,EqualDepth as Kt,LessEqualDepth as Yt,LessDepth as Qt,AlwaysDepth as Zt,NeverDepth as Jt,ReversedDepthFuncs as er,UnsignedShort4444Type as tr,UnsignedShort5551Type as rr,UnsignedInt5999Type as sr,UnsignedInt101111Type as ir,AlphaFormat as nr,RGB_S3TC_DXT1_Format as ar,RGBA_S3TC_DXT1_Format as or,RGBA_S3TC_DXT3_Format as ur,RGBA_S3TC_DXT5_Format as lr,RGB_PVRTC_4BPPV1_Format as dr,RGB_PVRTC_2BPPV1_Format as cr,RGBA_PVRTC_4BPPV1_Format as hr,RGBA_PVRTC_2BPPV1_Format as pr,RGB_ETC1_Format as gr,RGB_ETC2_Format as mr,RGBA_ETC2_EAC_Format as fr,R11_EAC_Format as yr,SIGNED_R11_EAC_Format as br,SIGNED_RG11_EAC_Format as xr,RGBA_ASTC_4x4_Format as Tr,RGBA_ASTC_5x4_Format as _r,RGBA_ASTC_5x5_Format as vr,RGBA_ASTC_6x5_Format as Nr,RGBA_ASTC_6x6_Format as Sr,RGBA_ASTC_8x5_Format as Rr,RGBA_ASTC_8x6_Format as Er,RGBA_ASTC_8x8_Format as Ar,RGBA_ASTC_10x5_Format as wr,RGBA_ASTC_10x6_Format as Cr,RGBA_ASTC_10x8_Format as Mr,RGBA_ASTC_10x10_Format as Br,RGBA_ASTC_12x10_Format as Fr,RGBA_ASTC_12x12_Format as Lr,RGBA_BPTC_Format as Pr,RED_RGTC1_Format as Dr,SIGNED_RED_RGTC1_Format as Ur,SIGNED_RED_GREEN_RGTC2_Format as Ir,MirroredRepeatWrapping as Or,RepeatWrapping as Vr,NearestMipmapNearestFilter as kr,NotEqualCompare as Gr,GreaterCompare as zr,EqualCompare as $r,AlwaysCompare as Wr,NeverCompare as Hr,LinearTransfer as qr,getByteLength as jr,isTypedArray as Xr,NotEqualStencilFunc as Kr,GreaterStencilFunc as Yr,GreaterEqualStencilFunc as Qr,EqualStencilFunc as Zr,LessEqualStencilFunc as Jr,LessStencilFunc as es,AlwaysStencilFunc as ts,NeverStencilFunc as rs,DecrementWrapStencilOp as ss,IncrementWrapStencilOp as is,DecrementStencilOp as ns,IncrementStencilOp as as,InvertStencilOp as os,ReplaceStencilOp as us,ZeroStencilOp as ls,KeepStencilOp as ds,MaxEquation as cs,MinEquation as hs,SpotLight as ps,PointLight as gs,DirectionalLight as ms,RectAreaLight as fs,AmbientLight as ys,HemisphereLight as bs,LightProbe as xs,LinearToneMapping as Ts,ReinhardToneMapping as _s,CineonToneMapping as vs,ACESFilmicToneMapping as Ns,AgXToneMapping as Ss,NeutralToneMapping as Rs,Group as Es,Loader as As,FileLoader as ws,MaterialLoader as Cs,ObjectLoader as Ms}from"./three.core.min.js";export{AdditiveAnimationBlendMode,AnimationAction,AnimationClip,AnimationLoader,AnimationMixer,AnimationObjectGroup,AnimationUtils,ArcCurve,ArrowHelper,AttachedBindMode,Audio,AudioAnalyser,AudioContext,AudioListener,AudioLoader,AxesHelper,BasicDepthPacking,BatchedMesh,BezierInterpolant,Bone,BooleanKeyframeTrack,Box2,Box3,Box3Helper,BoxHelper,BufferGeometryLoader,Cache,Camera,CameraHelper,CanvasTexture,CapsuleGeometry,CatmullRomCurve3,CircleGeometry,Clock,ColorKeyframeTrack,CompressedArrayTexture,CompressedCubeTexture,CompressedTexture,CompressedTextureLoader,ConeGeometry,ConstantAlphaFactor,ConstantColorFactor,Controls,CubeTextureLoader,CubicBezierCurve,CubicBezierCurve3,CubicInterpolant,CullFaceFrontBack,Curve,CurvePath,CustomToneMapping,Cylindrical,Data3DTexture,DataTextureLoader,DataUtils,DefaultLoadingManager,DetachedBindMode,DirectionalLightHelper,DiscreteInterpolant,DodecahedronGeometry,DynamicCopyUsage,DynamicReadUsage,EdgesGeometry,EllipseCurve,ExternalTexture,ExtrudeGeometry,Fog,FogExp2,GLBufferAttribute,GLSL1,GLSL3,GridHelper,HemisphereLightHelper,IcosahedronGeometry,ImageBitmapLoader,ImageLoader,ImageUtils,InstancedBufferGeometry,InstancedMesh,Int16BufferAttribute,Int32BufferAttribute,Int8BufferAttribute,Interpolant,InterpolateBezier,InterpolateDiscrete,InterpolateLinear,InterpolateSmooth,InterpolationSamplingMode,InterpolationSamplingType,KeyframeTrack,LOD,LatheGeometry,Layers,Light,Line,Line3,LineCurve,LineCurve3,LineLoop,LineSegments,LinearInterpolant,LinearMipMapNearestFilter,LoaderUtils,LoadingManager,LoopOnce,LoopPingPong,LoopRepeat,MOUSE,MeshDepthMaterial,MeshDistanceMaterial,NearestMipMapLinearFilter,NearestMipMapNearestFilter,NormalAnimationBlendMode,NumberKeyframeTrack,OctahedronGeometry,OneMinusConstantAlphaFactor,OneMinusConstantColorFactor,Path,PlaneHelper,PointLightHelper,Points,PolarGridHelper,PolyhedronGeometry,PositionalAudio,PropertyBinding,PropertyMixer,QuadraticBezierCurve,QuadraticBezierCurve3,QuaternionKeyframeTrack,QuaternionLinearInterpolant,RGBADepthPacking,RGBDepthPacking,RGB_BPTC_SIGNED_Format,RGB_BPTC_UNSIGNED_Format,RGDepthPacking,RawShaderMaterial,Ray,Raycaster,RenderTarget3D,RingGeometry,ShaderMaterial,Shape,ShapeGeometry,ShapePath,ShapeUtils,Skeleton,SkeletonHelper,SkinnedMesh,Source,Spherical,SphericalHarmonics3,SplineCurve,SpotLightHelper,Sprite,StaticCopyUsage,StaticReadUsage,StereoCamera,StreamCopyUsage,StreamDrawUsage,StreamReadUsage,StringKeyframeTrack,TOUCH,TetrahedronGeometry,TextureLoader,TextureUtils,Timer,TorusGeometry,TorusKnotGeometry,Triangle,TriangleFanDrawMode,TriangleStripDrawMode,TrianglesDrawMode,TubeGeometry,Uint8BufferAttribute,Uint8ClampedBufferAttribute,Uniform,UniformsGroup,VectorKeyframeTrack,VideoFrameTexture,VideoTexture,WebGL3DRenderTarget,WebGLArrayRenderTarget,WebGLRenderTarget,WireframeGeometry,WrapAroundEnding,ZeroCurvatureEnding,ZeroSlopeEnding,getConsoleFunction,setConsoleFunction}from"./three.core.min.js";const Bs=["alphaMap","alphaTest","anisotropy","anisotropyMap","anisotropyRotation","aoMap","aoMapIntensity","attenuationColor","attenuationDistance","bumpMap","clearcoat","clearcoatMap","clearcoatNormalMap","clearcoatNormalScale","clearcoatRoughness","color","dispersion","displacementMap","emissive","emissiveIntensity","emissiveMap","envMap","envMapIntensity","gradientMap","ior","iridescence","iridescenceIOR","iridescenceMap","iridescenceThicknessMap","lightMap","lightMapIntensity","map","matcap","metalness","metalnessMap","normalMap","normalScale","opacity","roughness","roughnessMap","sheen","sheenColor","sheenColorMap","sheenRoughnessMap","shininess","specular","specularColor","specularColorMap","specularIntensity","specularIntensityMap","specularMap","thickness","transmission","transmissionMap"],Fs=new WeakMap;class Ls{constructor(e){this.renderObjects=new WeakMap,this.hasNode=this.containsNode(e),this.hasAnimation=!0===e.object.isSkinnedMesh,this.refreshUniforms=Bs,this.renderId=0}firstInitialization(e){return!1===this.renderObjects.has(e)&&(this.getRenderObjectData(e),!0)}needsVelocity(e){const t=e.getMRT();return null!==t&&t.has("velocity")}getRenderObjectData(e){let t=this.renderObjects.get(e);if(void 0===t){const{geometry:r,material:s,object:i}=e;if(t={material:this.getMaterialData(s),geometry:{id:r.id,attributes:this.getAttributesData(r.attributes),indexId:r.index?r.index.id:null,indexVersion:r.index?r.index.version:null,drawRange:{start:r.drawRange.start,count:r.drawRange.count}},worldMatrix:i.matrixWorld.clone()},i.center&&(t.center=i.center.clone()),i.morphTargetInfluences&&(t.morphTargetInfluences=i.morphTargetInfluences.slice()),null!==e.bundle&&(t.version=e.bundle.version),t.material.transmission>0){const{width:r,height:s}=e.context;t.bufferWidth=r,t.bufferHeight=s}t.lights=this.getLightsData(e.lightsNode.getLights()),this.renderObjects.set(e,t)}return t}getAttributesData(e){const t={};for(const r in e){const s=e[r];t[r]={id:s.id,version:s.version}}return t}containsNode(e){const t=e.material;for(const e in t)if(t[e]&&t[e].isNode)return!0;return!!(e.context.modelViewMatrix||e.context.modelNormalViewMatrix||e.context.getAO||e.context.getShadow)}getMaterialData(e){const t={};for(const r of this.refreshUniforms){const s=e[r];null!=s&&("object"==typeof s&&void 0!==s.clone?!0===s.isTexture?t[r]={id:s.id,version:s.version}:t[r]=s.clone():t[r]=s)}return t}equals(e,t){const{object:r,material:s,geometry:i}=e,n=this.getRenderObjectData(e);if(!0!==n.worldMatrix.equals(r.matrixWorld))return n.worldMatrix.copy(r.matrixWorld),!1;const a=n.material;for(const e in a){const t=a[e],r=s[e];if(void 0!==t.equals){if(!1===t.equals(r))return t.copy(r),!1}else if(!0===r.isTexture){if(t.id!==r.id||t.version!==r.version)return t.id=r.id,t.version=r.version,!1}else if(t!==r)return a[e]=r,!1}if(a.transmission>0){const{width:t,height:r}=e.context;if(n.bufferWidth!==t||n.bufferHeight!==r)return n.bufferWidth=t,n.bufferHeight=r,!1}const o=n.geometry,u=i.attributes,l=o.attributes,d=Object.keys(l),c=Object.keys(u);if(o.id!==i.id)return o.id=i.id,!1;if(d.length!==c.length)return n.geometry.attributes=this.getAttributesData(u),!1;for(const e of d){const t=l[e],r=u[e];if(void 0===r)return delete l[e],!1;if(t.id!==r.id||t.version!==r.version)return t.id=r.id,t.version=r.version,!1}const h=i.index,p=o.id,g=o.indexVersion,m=h?h.id:null,f=h?h.version:null;if(p!==m||g!==f)return o.id=m,o.indexVersion=f,!1;if(o.drawRange.start!==i.drawRange.start||o.drawRange.count!==i.drawRange.count)return o.drawRange.start=i.drawRange.start,o.drawRange.count=i.drawRange.count,!1;if(n.morphTargetInfluences){let e=!1;for(let t=0;t<n.morphTargetInfluences.length;t++)n.morphTargetInfluences[t]!==r.morphTargetInfluences[t]&&(n.morphTargetInfluences[t]=r.morphTargetInfluences[t],e=!0);if(e)return!1}if(n.lights)for(let e=0;e<t.length;e++)if(n.lights[e].map!==t[e].map)return!1;return n.center&&!1===n.center.equals(r.center)?(n.center.copy(r.center),!0):(null!==e.bundle&&(n.version=e.bundle.version),!0)}getLightsData(e){const t=[];for(const r of e)!0===r.isSpotLight&&null!==r.map&&t.push({map:r.map.version});return t}getLights(e,t){if(Fs.has(e)){const r=Fs.get(e);if(r.renderId===t)return r.lightsData}const r=this.getLightsData(e.getLights());return Fs.set(e,{renderId:t,lightsData:r}),r}needsRefresh(e,t){if(this.hasNode||this.hasAnimation||this.firstInitialization(e)||this.needsVelocity(t.renderer))return!0;const{renderId:r}=t;if(this.renderId!==r)return this.renderId=r,!0;const s=!0===e.object.static,i=null!==e.bundle&&!0===e.bundle.static&&this.getRenderObjectData(e).version===e.bundle.version;if(s||i)return!1;const n=this.getLights(e.lightsNode,r);return!0!==this.equals(e,n)}}const Ps=[/^StackTrace\.js$/,/^TSLCore\.js$/,/^.*Node\.js$/,/^three\.webgpu.*\.js$/];class Ds{constructor(e=null){this.isStackTrace=!0,this.stack=function(e){const t=/(?:at\s+(.+?)\s+\()?(?:(.+?)@)?([^@\s()]+):(\d+):(\d+)/;return e.split("\n").map(e=>{const r=e.match(t);if(!r)return null;const s=r[1]||r[2]||"",i=r[3].split("?")[0],n=parseInt(r[4],10),a=parseInt(r[5],10);return{fn:s,file:i.split("/").pop(),line:n,column:a}}).filter(e=>e&&!Ps.some(t=>t.test(e.file)))}(e||(new Error).stack)}getLocation(){if(0===this.stack.length)return"[Unknown location]";const e=this.stack[0],t=e.fn;return`${t?`"${t}()" at `:""}"${e.file}:${e.line}"`}getError(e){if(0===this.stack.length)return e;return`${e}\n${this.stack.map(e=>{const t=`${e.file}:${e.line}:${e.column}`;return e.fn?`    at ${e.fn} (${t})`:`    at ${t}`}).join("\n")}`}}function Us(e,t=0){let r=3735928559^t,s=1103547991^t;if(e instanceof Array)for(let t,i=0;i<e.length;i++)t=e[i],r=Math.imul(r^t,2654435761),s=Math.imul(s^t,1597334677);else for(let t,i=0;i<e.length;i++)t=e.charCodeAt(i),r=Math.imul(r^t,2654435761),s=Math.imul(s^t,1597334677);return r=Math.imul(r^r>>>16,2246822507),r^=Math.imul(s^s>>>13,3266489909),s=Math.imul(s^s>>>16,2246822507),s^=Math.imul(r^r>>>13,3266489909),4294967296*(2097151&s)+(r>>>0)}const Is=e=>Us(e),Os=e=>Us(e),Vs=(...e)=>Us(e),ks=new Map([[1,"float"],[2,"vec2"],[3,"vec3"],[4,"vec4"],[9,"mat3"],[16,"mat4"]]),Gs=new WeakMap;function zs(e){return ks.get(e)}function $s(e){if(/[iu]?vec\d/.test(e))return e.startsWith("ivec")?Int32Array:e.startsWith("uvec")?Uint32Array:Float32Array;if(/mat\d/.test(e))return Float32Array;if(/float/.test(e))return Float32Array;if(/uint/.test(e))return Uint32Array;if(/int/.test(e))return Int32Array;throw new Error(`THREE.NodeUtils: Unsupported type: ${e}`)}function Ws(e){return/float|int|uint/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)?3:/vec4/.test(e)||/mat2/.test(e)?4:/mat3/.test(e)?9:/mat4/.test(e)?16:void o(`TSL: Unsupported type: ${e}`,new Ds)}function Hs(e){return/float|int|uint/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)?3:/vec4/.test(e)||/mat2/.test(e)?4:/mat3/.test(e)?12:/mat4/.test(e)?16:void o(`TSL: Unsupported type: ${e}`,new Ds)}function qs(e){return/float|int|uint/.test(e)?4:/vec2/.test(e)?8:/vec3/.test(e)||/vec4/.test(e)?16:/mat2/.test(e)?8:/mat3/.test(e)||/mat4/.test(e)?16:void o(`TSL: Unsupported type: ${e}`,new Ds)}function js(e){if(null==e)return null;const t=typeof e;return!0===e.isNode?"node":"number"===t?"float":"boolean"===t?"bool":"string"===t?"string":"function"===t?"shader":!0===e.isVector2?"vec2":!0===e.isVector3?"vec3":!0===e.isVector4?"vec4":!0===e.isMatrix2?"mat2":!0===e.isMatrix3?"mat3":!0===e.isMatrix4?"mat4":!0===e.isColor?"color":e instanceof ArrayBuffer?"ArrayBuffer":null}function Xs(o,...u){const l=o?o.slice(-4):void 0;return 1===u.length&&("vec2"===l?u=[u[0],u[0]]:"vec3"===l?u=[u[0],u[0],u[0]]:"vec4"===l&&(u=[u[0],u[0],u[0],u[0]])),"color"===o?new e(...u):"vec2"===l?new t(...u):"vec3"===l?new r(...u):"vec4"===l?new s(...u):"mat2"===l?new i(...u):"mat3"===l?new n(...u):"mat4"===l?new a(...u):"bool"===o?u[0]||!1:"float"===o||"int"===o||"uint"===o?u[0]||0:"string"===o?u[0]||"":"ArrayBuffer"===o?Qs(u[0]):null}function Ks(e){let t=Gs.get(e);return void 0===t&&(t={},Gs.set(e,t)),t}function Ys(e){let t="";const r=new Uint8Array(e);for(let e=0;e<r.length;e++)t+=String.fromCharCode(r[e]);return btoa(t)}function Qs(e){return Uint8Array.from(atob(e),e=>e.charCodeAt(0)).buffer}var Zs=Object.freeze({__proto__:null,arrayBufferToBase64:Ys,base64ToArrayBuffer:Qs,getAlignmentFromType:qs,getDataFromObject:Ks,getLengthFromType:Ws,getMemoryLengthFromType:Hs,getTypeFromLength:zs,getTypedArrayFromType:$s,getValueFromType:Xs,getValueType:js,hash:Vs,hashArray:Os,hashString:Is});const Js={VERTEX:"vertex",FRAGMENT:"fragment"},ei={NONE:"none",FRAME:"frame",RENDER:"render",OBJECT:"object"},ti={BOOLEAN:"bool",INTEGER:"int",FLOAT:"float",VECTOR2:"vec2",VECTOR3:"vec3",VECTOR4:"vec4",MATRIX2:"mat2",MATRIX3:"mat3",MATRIX4:"mat4"},ri={READ_ONLY:"readOnly",WRITE_ONLY:"writeOnly",READ_WRITE:"readWrite"},si=["fragment","vertex"],ii=["setup","analyze","generate"],ni=[...si,"compute"],ai=["x","y","z","w"],oi={analyze:"setup",generate:"analyze"};let ui=0;class li extends u{static get type(){return"Node"}constructor(e=null){super(),this.nodeType=e,this.updateType=ei.NONE,this.updateBeforeType=ei.NONE,this.updateAfterType=ei.NONE,this.uuid=l.generateUUID(),this.version=0,this.name="",this.global=!1,this.parents=!1,this.isNode=!0,this._beforeNodes=null,this._cacheKey=null,this._cacheKeyVersion=0,Object.defineProperty(this,"id",{value:ui++}),this.stackTrace=null,!0===li.captureStackTrace&&(this.stackTrace=new Ds)}set needsUpdate(e){!0===e&&this.version++}get type(){return this.constructor.type}onUpdate(e,t){return this.updateType=t,this.update=e.bind(this),this}onFrameUpdate(e){return this.onUpdate(e,ei.FRAME)}onRenderUpdate(e){return this.onUpdate(e,ei.RENDER)}onObjectUpdate(e){return this.onUpdate(e,ei.OBJECT)}onReference(e){return this.updateReference=e.bind(this),this}updateReference(){return this}isGlobal(){return this.global}*getChildren(){for(const{childNode:e}of this._getChildren())yield e}dispose(){this.dispatchEvent({type:"dispose"})}traverse(e){e(this);for(const t of this.getChildren())t.traverse(e)}_getChildren(e=new Set){const t=[];e.add(this);for(const r of Object.getOwnPropertyNames(this)){const s=this[r];if(!0!==r.startsWith("_")&&!e.has(s))if(!0===Array.isArray(s))for(let e=0;e<s.length;e++){const i=s[e];i&&!0===i.isNode&&t.push({property:r,index:e,childNode:i})}else if(s&&!0===s.isNode)t.push({property:r,childNode:s});else if(s&&Object.getPrototypeOf(s)===Object.prototype)for(const e in s){if(!0===e.startsWith("_"))continue;const i=s[e];i&&!0===i.isNode&&t.push({property:r,index:e,childNode:i})}}return t}getCacheKey(e=!1,t=null){if(!0===(e=e||this.version!==this._cacheKeyVersion)||null===this._cacheKey){null===t&&(t=new Set);const r=[];for(const{property:s,childNode:i}of this._getChildren(t))r.push(Is(s.slice(0,-4)),i.getCacheKey(e,t));this._cacheKey=Vs(Os(r),this.customCacheKey()),this._cacheKeyVersion=this.version}return this._cacheKey}customCacheKey(){return this.id}getScope(){return this}getHash(){return this.uuid}getUpdateType(){return this.updateType}getUpdateBeforeType(){return this.updateBeforeType}getUpdateAfterType(){return this.updateAfterType}getElementType(e){const t=this.getNodeType(e);return e.getElementType(t)}getMemberType(){return"void"}getNodeType(e){const t=e.getNodeProperties(this);return t.outputNode?t.outputNode.getNodeType(e):this.nodeType}getShared(e){const t=this.getHash(e);return e.getNodeFromHash(t)||this}getArrayCount(){return null}setup(e){const t=e.getNodeProperties(this);let r=0;for(const e of this.getChildren())t["node"+r++]=e;return t.outputNode||null}analyze(e,t=null){const r=e.increaseUsage(this);if(!0===this.parents){const r=e.getDataFromNode(this,"any");r.stages=r.stages||{},r.stages[e.shaderStage]=r.stages[e.shaderStage]||[],r.stages[e.shaderStage].push(t)}if(1===r){const t=e.getNodeProperties(this);for(const r of Object.values(t))r&&!0===r.isNode&&r.build(e,this)}}generate(e,t){const{outputNode:r}=e.getNodeProperties(this);if(r&&!0===r.isNode)return r.build(e,t)}updateBefore(){d("Abstract function.")}updateAfter(){d("Abstract function.")}update(){d("Abstract function.")}before(e){return null===this._beforeNodes&&(this._beforeNodes=[]),this._beforeNodes.push(e),this}build(e,t=null){const r=this.getShared(e);if(this!==r)return r.build(e,t);if(null!==this._beforeNodes){const r=this._beforeNodes;this._beforeNodes=null;for(const s of r)s.build(e,t);this._beforeNodes=r}const s=e.getDataFromNode(this);s.buildStages=s.buildStages||{},s.buildStages[e.buildStage]=!0;const i=oi[e.buildStage];if(i&&!0!==s.buildStages[i]){const t=e.getBuildStage();e.setBuildStage(i),this.build(e),e.setBuildStage(t)}e.addChain(this);let n=null;const a=e.getBuildStage();if("setup"===a){e.addNode(this),this.updateReference(e);const t=e.getNodeProperties(this);if(!0!==t.initialized){t.initialized=!0,t.outputNode=this.setup(e)||t.outputNode||null;for(const r of Object.values(t))if(r&&!0===r.isNode){if(!0===r.parents){const t=e.getNodeProperties(r);t.parents=t.parents||[],t.parents.push(this)}r.build(e)}e.addSequentialNode(this)}n=t.outputNode}else if("analyze"===a)this.analyze(e,t);else if("generate"===a){if(this.generate.length<2){const r=this.getNodeType(e),s=e.getDataFromNode(this);n=s.snippet,void 0===n?void 0===s.generated?(s.generated=!0,n=this.generate(e)||"",s.snippet=n):(d("Node: Recursion detected.",this),n="/* Recursion detected. */"):void 0!==s.flowCodes&&void 0!==e.context.nodeBlock&&e.addFlowCodeHierarchy(this,e.context.nodeBlock),n=e.format(n,r,t)}else n=this.generate(e,t)||"";""===n&&null!==t&&"void"!==t&&"OutputType"!==t&&(o(`TSL: Invalid generated code, expected a "${t}".`),n=e.generateConst(t))}return e.removeChain(this),n}getSerializeChildren(){return this._getChildren()}serialize(e){const t=this.getSerializeChildren(),r={};for(const{property:s,index:i,childNode:n}of t)void 0!==i?(void 0===r[s]&&(r[s]=Number.isInteger(i)?[]:{}),r[s][i]=n.toJSON(e.meta).uuid):r[s]=n.toJSON(e.meta).uuid;Object.keys(r).length>0&&(e.inputNodes=r)}deserialize(e){if(void 0!==e.inputNodes){const t=e.meta.nodes;for(const r in e.inputNodes)if(Array.isArray(e.inputNodes[r])){const s=[];for(const i of e.inputNodes[r])s.push(t[i]);this[r]=s}else if("object"==typeof e.inputNodes[r]){const s={};for(const i in e.inputNodes[r]){const n=e.inputNodes[r][i];s[i]=t[n]}this[r]=s}else{const s=e.inputNodes[r];this[r]=t[s]}}}toJSON(e){const{uuid:t,type:r}=this,s=void 0===e||"string"==typeof e;s&&(e={textures:{},images:{},nodes:{}});let i=e.nodes[t];function n(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(void 0===i&&(i={uuid:t,type:r,meta:e,metadata:{version:4.7,type:"Node",generator:"Node.toJSON"}},!0!==s&&(e.nodes[i.uuid]=i),this.serialize(i),delete i.meta),s){const t=n(e.textures),r=n(e.images),s=n(e.nodes);t.length>0&&(i.textures=t),r.length>0&&(i.images=r),s.length>0&&(i.nodes=s)}return i}}li.captureStackTrace=!1;class di extends li{static get type(){return"ArrayElementNode"}constructor(e,t){super(),this.node=e,this.indexNode=t,this.isArrayElementNode=!0}getNodeType(e){return this.node.getElementType(e)}getMemberType(e,t){return this.node.getMemberType(e,t)}generate(e){const t=this.indexNode.getNodeType(e);return`${this.node.build(e)}[ ${this.indexNode.build(e,!e.isVector(t)&&e.isInteger(t)?t:"uint")} ]`}}class ci extends li{static get type(){return"ConvertNode"}constructor(e,t){super(),this.node=e,this.convertTo=t}getNodeType(e){const t=this.node.getNodeType(e);let r=null;for(const s of this.convertTo.split("|"))null!==r&&e.getTypeLength(t)!==e.getTypeLength(s)||(r=s);return r}serialize(e){super.serialize(e),e.convertTo=this.convertTo}deserialize(e){super.deserialize(e),this.convertTo=e.convertTo}generate(e,t){const r=this.node,s=this.getNodeType(e),i=r.build(e,s);return e.format(i,s,t)}}class hi extends li{static get type(){return"TempNode"}constructor(e=null){super(e),this.isTempNode=!0}hasDependencies(e){return e.getDataFromNode(this).usageCount>1}build(e,t){if("generate"===e.getBuildStage()){const r=e.getVectorType(this.getNodeType(e,t)),s=e.getDataFromNode(this);if(void 0!==s.propertyName)return e.format(s.propertyName,r,t);if("void"!==r&&"void"!==t&&this.hasDependencies(e)){const i=super.build(e,r),n=e.getVarFromNode(this,null,r),a=e.getPropertyName(n);return e.addLineFlowCode(`${a} = ${i}`,this),s.snippet=i,s.propertyName=a,e.format(s.propertyName,r,t)}}return super.build(e,t)}}class pi extends hi{static get type(){return"JoinNode"}constructor(e=[],t=null){super(t),this.nodes=e}getNodeType(e){return null!==this.nodeType?e.getVectorType(this.nodeType):e.getTypeFromLength(this.nodes.reduce((t,r)=>t+e.getTypeLength(r.getNodeType(e)),0))}generate(e,t){const r=this.getNodeType(e),s=e.getTypeLength(r),i=this.nodes,n=e.getComponentType(r),a=[];let u=0;for(const t of i){if(u>=s){o(`TSL: Length of parameters exceeds maximum length of function '${r}()' type.`,this.stackTrace);break}let i,l=t.getNodeType(e),d=e.getTypeLength(l);u+d>s&&(o(`TSL: Length of '${r}()' data exceeds maximum length of output type.`,this.stackTrace),d=s-u,l=e.getTypeFromLength(d)),u+=d,i=t.build(e,l);if(e.getComponentType(l)!==n){const t=e.getTypeFromLength(d,n);i=e.format(i,l,t)}a.push(i)}const l=`${e.getType(r)}( ${a.join(", ")} )`;return e.format(l,r,t)}}const gi=ai.join("");class mi extends li{static get type(){return"SplitNode"}constructor(e,t="x"){super(),this.node=e,this.components=t,this.isSplitNode=!0}getVectorLength(){let e=this.components.length;for(const t of this.components)e=Math.max(ai.indexOf(t)+1,e);return e}getComponentType(e){return e.getComponentType(this.node.getNodeType(e))}getNodeType(e){return e.getTypeFromLength(this.components.length,this.getComponentType(e))}getScope(){return this.node.getScope()}generate(e,t){const r=this.node,s=e.getTypeLength(r.getNodeType(e));let i=null;if(s>1){let n=null;this.getVectorLength()>=s&&(n=e.getTypeFromLength(this.getVectorLength(),this.getComponentType(e)));const a=r.build(e,n);i=this.components.length===s&&this.components===gi.slice(0,this.components.length)?e.format(a,n,t):e.format(`${a}.${this.components}`,this.getNodeType(e),t)}else i=r.build(e,t);return i}serialize(e){super.serialize(e),e.components=this.components}deserialize(e){super.deserialize(e),this.components=e.components}}class fi extends hi{static get type(){return"SetNode"}constructor(e,t,r){super(),this.sourceNode=e,this.components=t,this.targetNode=r}getNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{sourceNode:t,components:r,targetNode:s}=this,i=this.getNodeType(e),n=e.getComponentType(s.getNodeType(e)),a=e.getTypeFromLength(r.length,n),o=s.build(e,a),u=t.build(e,i),l=e.getTypeLength(i),d=[];for(let e=0;e<l;e++){const t=ai[e];t===r[0]?(d.push(o),e+=r.length-1):d.push(u+"."+t)}return`${e.getType(i)}( ${d.join(", ")} )`}}class yi extends hi{static get type(){return"FlipNode"}constructor(e,t){super(),this.sourceNode=e,this.components=t}getNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{components:t,sourceNode:r}=this,s=this.getNodeType(e),i=r.build(e),n=e.getVarFromNode(this),a=e.getPropertyName(n);e.addLineFlowCode(a+" = "+i,this);const o=e.getTypeLength(s),u=[];let l=0;for(let e=0;e<o;e++){const r=ai[e];r===t[l]?(u.push("1.0 - "+a+"."+r),l++):u.push(a+"."+r)}return`${e.getType(s)}( ${u.join(", ")} )`}}class bi extends li{static get type(){return"InputNode"}constructor(e,t=null){super(t),this.isInputNode=!0,this.value=e,this.precision=null}getNodeType(){return null===this.nodeType?js(this.value):this.nodeType}getInputType(e){return this.getNodeType(e)}setPrecision(e){return this.precision=e,this}serialize(e){super.serialize(e),e.value=this.value,this.value&&this.value.toArray&&(e.value=this.value.toArray()),e.valueType=js(this.value),e.nodeType=this.nodeType,"ArrayBuffer"===e.valueType&&(e.value=Ys(e.value)),e.precision=this.precision}deserialize(e){super.deserialize(e),this.nodeType=e.nodeType,this.value=Array.isArray(e.value)?Xs(e.valueType,...e.value):e.value,this.precision=e.precision||null,this.value&&this.value.fromArray&&(this.value=this.value.fromArray(e.value))}generate(){d("Abstract function.")}}const xi=/float|u?int/;class Ti extends bi{static get type(){return"ConstNode"}constructor(e,t=null){super(e,t),this.isConstNode=!0}generateConst(e){return e.generateConst(this.getNodeType(e),this.value)}generate(e,t){const r=this.getNodeType(e);return xi.test(r)&&xi.test(t)?e.generateConst(t,this.value):e.format(this.generateConst(e),r,t)}}class _i extends li{static get type(){return"MemberNode"}constructor(e,t){super(),this.structNode=e,this.property=t,this.isMemberNode=!0}hasMember(e){return(!this.structNode.isMemberNode||!1!==this.structNode.hasMember(e))&&"void"!==this.structNode.getMemberType(e,this.property)}getNodeType(e){return!1===this.hasMember(e)?"float":this.structNode.getMemberType(e,this.property)}getMemberType(e,t){if(!1===this.hasMember(e))return"float";const r=this.getNodeType(e);return e.getStructTypeNode(r).getMemberType(e,t)}generate(e){if(!1===this.hasMember(e)){d(`TSL: Member "${this.property}" does not exist in struct.`,this.stackTrace);const t=this.getNodeType(e);return e.generateConst(t)}return this.structNode.build(e)+"."+this.property}}let vi=null;const Ni=new Map;function Si(e,t){if(Ni.has(e))d(`TSL: Redefinition of method chaining '${e}'.`);else{if("function"!=typeof t)throw new Error(`THREE.TSL: Node element ${e} is not a function`);Ni.set(e,t),"assign"!==e&&(li.prototype[e]=function(...e){return this.isStackNode?this.addToStack(t(...e)):t(this,...e)},li.prototype[e+"Assign"]=function(...e){return this.isStackNode?this.assign(e[0],t(...e)):this.assign(t(this,...e))})}}const Ri=e=>(e=>e.replace(/r|s/g,"x").replace(/g|t/g,"y").replace(/b|p/g,"z").replace(/a|q/g,"w"))(e).split("").sort().join("");li.prototype.assign=function(...e){if(!0!==this.isStackNode)return null!==vi?vi.assign(this,...e):o("TSL: No stack defined for assign operation. Make sure the assign is inside a Fn().",new Ds),this;{const t=Ni.get("assign");return this.addToStack(t(...e))}},li.prototype.toVarIntent=function(){return this},li.prototype.get=function(e){return new _i(this,e)};const Ei={};function Ai(e,t,r){Ei[e]=Ei[t]=Ei[r]={get(){this._cache=this._cache||{};let t=this._cache[e];return void 0===t&&(t=new mi(this,e),this._cache[e]=t),t},set(t){this[e].assign(Ji(t))}};const s=e.toUpperCase(),i=t.toUpperCase(),n=r.toUpperCase();li.prototype["set"+s]=li.prototype["set"+i]=li.prototype["set"+n]=function(t){const r=Ri(e);return new fi(this,r,Ji(t))},li.prototype["flip"+s]=li.prototype["flip"+i]=li.prototype["flip"+n]=function(){const t=Ri(e);return new yi(this,t)}}const wi=["x","y","z","w"],Ci=["r","g","b","a"],Mi=["s","t","p","q"];for(let e=0;e<4;e++){let t=wi[e],r=Ci[e],s=Mi[e];Ai(t,r,s);for(let i=0;i<4;i++){t=wi[e]+wi[i],r=Ci[e]+Ci[i],s=Mi[e]+Mi[i],Ai(t,r,s);for(let n=0;n<4;n++){t=wi[e]+wi[i]+wi[n],r=Ci[e]+Ci[i]+Ci[n],s=Mi[e]+Mi[i]+Mi[n],Ai(t,r,s);for(let a=0;a<4;a++)t=wi[e]+wi[i]+wi[n]+wi[a],r=Ci[e]+Ci[i]+Ci[n]+Ci[a],s=Mi[e]+Mi[i]+Mi[n]+Mi[a],Ai(t,r,s)}}}for(let e=0;e<32;e++)Ei[e]={get(){this._cache=this._cache||{};let t=this._cache[e];return void 0===t&&(t=new di(this,new Ti(e,"uint")),this._cache[e]=t),t},set(t){this[e].assign(Ji(t))}};Object.defineProperties(li.prototype,Ei);const Bi=new WeakMap,Fi=function(e,t=null){for(const r in e)e[r]=Ji(e[r],t);return e},Li=function(e,t=null){const r=e.length;for(let s=0;s<r;s++)e[s]=Ji(e[s],t);return e},Pi=function(e,t=null,r=null,s=null){function i(e){return null!==s?(e=Ji(Object.assign(e,s)),!0===s.intent&&(e=e.toVarIntent())):e=Ji(e),e}let n,a,u,l=t;function d(t){let r;return r=l?/[a-z]/i.test(l)?l+"()":l:e.type,void 0!==a&&t.length<a?(o(`TSL: "${r}" parameter length is less than minimum required.`,new Ds),t.concat(new Array(a-t.length).fill(0))):void 0!==u&&t.length>u?(o(`TSL: "${r}" parameter length exceeds limit.`,new Ds),t.slice(0,u)):t}return null===t?n=(...t)=>i(new e(...rn(d(t)))):null!==r?(r=Ji(r),n=(...s)=>i(new e(t,...rn(d(s)),r))):n=(...r)=>i(new e(t,...rn(d(r)))),n.setParameterLength=(...e)=>(1===e.length?a=u=e[0]:2===e.length&&([a,u]=e),n),n.setName=e=>(l=e,n),n},Di=function(e,...t){return new e(...rn(t))};class Ui extends li{constructor(e,t){super(),this.shaderNode=e,this.rawInputs=t,this.isShaderCallNodeInternal=!0}getNodeType(e){return this.shaderNode.nodeType||this.getOutputNode(e).getNodeType(e)}getElementType(e){return this.getOutputNode(e).getElementType(e)}getMemberType(e,t){return this.getOutputNode(e).getMemberType(e,t)}call(e){const{shaderNode:t,rawInputs:r}=this,s=e.getNodeProperties(t),i=e.getClosestSubBuild(t.subBuilds)||"",n=i||"default";if(s[n])return s[n];const a=e.subBuildFn,o=e.fnCall;e.subBuildFn=i,e.fnCall=this;let u=null;if(t.layout){let s=Bi.get(e.constructor);void 0===s&&(s=new WeakMap,Bi.set(e.constructor,s));let i=s.get(t);void 0===i&&(i=Ji(e.buildFunctionNode(t)),s.set(t,i)),e.addInclude(i);const n=r?function(e){let t;tn(e);t=e[0]&&(e[0].isNode||Object.getPrototypeOf(e[0])!==Object.prototype)?[...e]:e[0];return t}(r):null;u=Ji(i.call(n))}else{const s=new Proxy(e,{get:(e,t,r)=>{let s;return s=Symbol.iterator===t?function*(){yield}:Reflect.get(e,t,r),s}}),i=r?function(e){let t=0;return tn(e),new Proxy(e,{get:(r,s,i)=>{let n;if("length"===s)return n=e.length,n;if(Symbol.iterator===s)n=function*(){for(const t of e)yield Ji(t)};else{if(e.length>0)if(Object.getPrototypeOf(e[0])===Object.prototype){const r=e[0];n=void 0===r[s]?r[t++]:Reflect.get(r,s,i)}else e[0]instanceof li&&(n=void 0===e[s]?e[t++]:Reflect.get(e,s,i));else n=Reflect.get(r,s,i);n=Ji(n)}return n}})}(r):null,n=Array.isArray(r)?r.length>0:null!==r,a=t.jsFunc,o=n||a.length>1?a(i,s):a(s);u=Ji(o)}return e.subBuildFn=a,e.fnCall=o,t.once&&(s[n]=u),u}setupOutput(e){return e.addStack(),e.stack.outputNode=this.call(e),e.removeStack()}getOutputNode(e){const t=e.getNodeProperties(this),r=e.getSubBuildOutput(this);return t[r]=t[r]||this.setupOutput(e),t[r].subBuild=e.getClosestSubBuild(this),t[r]}build(e,t=null){let r=null;const s=e.getBuildStage(),i=e.getNodeProperties(this),n=e.getSubBuildOutput(this),a=this.getOutputNode(e),o=e.fnCall;if(e.fnCall=this,"setup"===s){const t=e.getSubBuildProperty("initialized",this);if(!0!==i[t]&&(i[t]=!0,i[n]=this.getOutputNode(e),i[n].build(e),this.shaderNode.subBuilds))for(const t of e.chaining){const r=e.getDataFromNode(t,"any");r.subBuilds=r.subBuilds||new Set;for(const e of this.shaderNode.subBuilds)r.subBuilds.add(e)}r=i[n]}else"analyze"===s?a.build(e,t):"generate"===s&&(r=a.build(e,t)||"");return e.fnCall=o,r}}class Ii extends li{constructor(e,t){super(t),this.jsFunc=e,this.layout=null,this.global=!0,this.once=!1}setLayout(e){return this.layout=e,this}getLayout(){return this.layout}call(e=null){return new Ui(this,e)}setup(){return this.call()}}const Oi=[!1,!0],Vi=[0,1,2,3],ki=[-1,-2],Gi=[.5,1.5,1/3,1e-6,1e6,Math.PI,2*Math.PI,1/Math.PI,2/Math.PI,1/(2*Math.PI),Math.PI/2],zi=new Map;for(const e of Oi)zi.set(e,new Ti(e));const $i=new Map;for(const e of Vi)$i.set(e,new Ti(e,"uint"));const Wi=new Map([...$i].map(e=>new Ti(e.value,"int")));for(const e of ki)Wi.set(e,new Ti(e,"int"));const Hi=new Map([...Wi].map(e=>new Ti(e.value)));for(const e of Gi)Hi.set(e,new Ti(e));for(const e of Gi)Hi.set(-e,new Ti(-e));const qi={bool:zi,uint:$i,ints:Wi,float:Hi},ji=new Map([...zi,...Hi]),Xi=(e,t)=>ji.has(e)?ji.get(e):!0===e.isNode?e:new Ti(e,t),Ki=function(e,t=null){return(...r)=>{for(const t of r)if(void 0===t)return o(`TSL: Invalid parameter for the type "${e}".`,new Ds),new Ti(0,e);if((0===r.length||!["bool","float","int","uint"].includes(e)&&r.every(e=>{const t=typeof e;return"object"!==t&&"function"!==t}))&&(r=[Xs(e,...r)]),1===r.length&&null!==t&&t.has(r[0]))return en(t.get(r[0]));if(1===r.length){const t=Xi(r[0],e);return t.nodeType===e?en(t):en(new ci(t,e))}const s=r.map(e=>Xi(e));return en(new pi(s,e))}},Yi=e=>"object"==typeof e&&null!==e?e.value:e,Qi=e=>null!=e?e.nodeType||e.convertTo||("string"==typeof e?e:null):null;function Zi(e,t){return new Ii(e,t)}const Ji=(e,t=null)=>function(e,t=null){const r=js(e);return"node"===r?e:null===t&&("float"===r||"boolean"===r)||r&&"shader"!==r&&"string"!==r?Ji(Xi(e,t)):"shader"===r?e.isFn?e:ln(e):e}(e,t),en=(e,t=null)=>Ji(e,t).toVarIntent(),tn=(e,t=null)=>new Fi(e,t),rn=(e,t=null)=>new Li(e,t),sn=(e,t=null,r=null,s=null)=>new Pi(e,t,r,s),nn=(e,...t)=>new Di(e,...t),an=(e,t=null,r=null,s={})=>new Pi(e,t,r,{...s,intent:!0});let on=0;class un extends li{constructor(e,t=null){super();let r=null;null!==t&&("object"==typeof t?r=t.return:("string"==typeof t?r=t:o("TSL: Invalid layout type.",new Ds),t=null)),this.shaderNode=new Zi(e,r),null!==t&&this.setLayout(t),this.isFn=!0}setLayout(e){const t=this.shaderNode.nodeType;if("object"!=typeof e.inputs){const r={name:"fn"+on++,type:t,inputs:[]};for(const t in e)"return"!==t&&r.inputs.push({name:t,type:e[t]});e=r}return this.shaderNode.setLayout(e),this}getNodeType(e){return this.shaderNode.getNodeType(e)||"float"}call(...e){const t=this.shaderNode.call(e);return"void"===this.shaderNode.nodeType&&t.toStack(),t.toVarIntent()}once(e=null){return this.shaderNode.once=!0,this.shaderNode.subBuilds=e,this}generate(e){const t=this.getNodeType(e);return o('TSL: "Fn()" was declared but not invoked. Try calling it like "Fn()( ...params )".',this.stackTrace),e.generateConst(t)}}function ln(e,t=null){const r=new un(e,t);return new Proxy(()=>{},{apply:(e,t,s)=>r.call(...s),get:(e,t,s)=>Reflect.get(r,t,s),set:(e,t,s,i)=>Reflect.set(r,t,s,i)})}const dn=e=>{vi=e},cn=()=>vi,hn=(...e)=>vi.If(...e);function pn(e){return vi&&vi.addToStack(e),e}Si("toStack",pn);const gn=new Ki("color"),mn=new Ki("float",qi.float),fn=new Ki("int",qi.ints),yn=new Ki("uint",qi.uint),bn=new Ki("bool",qi.bool),xn=new Ki("vec2"),Tn=new Ki("ivec2"),_n=new Ki("uvec2"),vn=new Ki("bvec2"),Nn=new Ki("vec3"),Sn=new Ki("ivec3"),Rn=new Ki("uvec3"),En=new Ki("bvec3"),An=new Ki("vec4"),wn=new Ki("ivec4"),Cn=new Ki("uvec4"),Mn=new Ki("bvec4"),Bn=new Ki("mat2"),Fn=new Ki("mat3"),Ln=new Ki("mat4");Si("toColor",gn),Si("toFloat",mn),Si("toInt",fn),Si("toUint",yn),Si("toBool",bn),Si("toVec2",xn),Si("toIVec2",Tn),Si("toUVec2",_n),Si("toBVec2",vn),Si("toVec3",Nn),Si("toIVec3",Sn),Si("toUVec3",Rn),Si("toBVec3",En),Si("toVec4",An),Si("toIVec4",wn),Si("toUVec4",Cn),Si("toBVec4",Mn),Si("toMat2",Bn),Si("toMat3",Fn),Si("toMat4",Ln);const Pn=sn(di).setParameterLength(2),Dn=(e,t)=>Ji(new ci(Ji(e),t));Si("element",Pn),Si("convert",Dn);Si("append",e=>(d("TSL: .append() has been renamed to .toStack().",new Ds),pn(e)));class Un extends li{static get type(){return"PropertyNode"}constructor(e,t=null,r=!1){super(e),this.name=t,this.varying=r,this.isPropertyNode=!0,this.global=!0}customCacheKey(){return Is(this.type+":"+(this.name||"")+":"+(this.varying?"1":"0"))}getHash(e){return this.name||super.getHash(e)}generate(e){let t;return!0===this.varying?(t=e.getVaryingFromNode(this,this.name),t.needsInterpolation=!0):t=e.getVarFromNode(this,this.name),e.getPropertyName(t)}}const In=(e,t)=>new Un(e,t),On=(e,t)=>new Un(e,t,!0),Vn=nn(Un,"vec4","DiffuseColor"),kn=nn(Un,"vec3","DiffuseContribution"),Gn=nn(Un,"vec3","EmissiveColor"),zn=nn(Un,"float","Roughness"),$n=nn(Un,"float","Metalness"),Wn=nn(Un,"float","Clearcoat"),Hn=nn(Un,"float","ClearcoatRoughness"),qn=nn(Un,"vec3","Sheen"),jn=nn(Un,"float","SheenRoughness"),Xn=nn(Un,"float","Iridescence"),Kn=nn(Un,"float","IridescenceIOR"),Yn=nn(Un,"float","IridescenceThickness"),Qn=nn(Un,"float","AlphaT"),Zn=nn(Un,"float","Anisotropy"),Jn=nn(Un,"vec3","AnisotropyT"),ea=nn(Un,"vec3","AnisotropyB"),ta=nn(Un,"color","SpecularColor"),ra=nn(Un,"color","SpecularColorBlended"),sa=nn(Un,"float","SpecularF90"),ia=nn(Un,"float","Shininess"),na=nn(Un,"vec4","Output"),aa=nn(Un,"float","dashSize"),oa=nn(Un,"float","gapSize"),ua=nn(Un,"float","pointWidth"),la=nn(Un,"float","IOR"),da=nn(Un,"float","Transmission"),ca=nn(Un,"float","Thickness"),ha=nn(Un,"float","AttenuationDistance"),pa=nn(Un,"color","AttenuationColor"),ga=nn(Un,"float","Dispersion");class ma extends li{static get type(){return"UniformGroupNode"}constructor(e,t=!1,r=1){super("string"),this.name=e,this.shared=t,this.order=r,this.isUniformGroup=!0}serialize(e){super.serialize(e),e.name=this.name,e.version=this.version,e.shared=this.shared}deserialize(e){super.deserialize(e),this.name=e.name,this.version=e.version,this.shared=e.shared}}const fa=e=>new ma(e),ya=(e,t=0)=>new ma(e,!0,t),ba=ya("frame"),xa=ya("render"),Ta=fa("object");class _a extends bi{static get type(){return"UniformNode"}constructor(e,t=null){super(e,t),this.isUniformNode=!0,this.name="",this.groupNode=Ta}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. 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t=e.value;e.traverse(e=>{!0===e.isConstNode&&(t=e.value)}),e=t}return new _a(e,r)};class Na extends hi{static get type(){return"ArrayNode"}constructor(e,t,r=null){super(e),this.count=t,this.values=r,this.isArrayNode=!0}getArrayCount(){return this.count}getNodeType(e){return null===this.nodeType?this.values[0].getNodeType(e):this.nodeType}getElementType(e){return this.getNodeType(e)}getMemberType(e,t){return null===this.nodeType?this.values[0].getMemberType(e,t):super.getMemberType(e,t)}generate(e){const t=this.getNodeType(e);return e.generateArray(t,this.count,this.values)}}const Sa=(...e)=>{let t;if(1===e.length){const r=e[0];t=new Na(null,r.length,r)}else{const r=e[0],s=e[1];t=new Na(r,s)}return Ji(t)};Si("toArray",(e,t)=>Sa(Array(t).fill(e)));class Ra extends hi{static get type(){return"AssignNode"}constructor(e,t){super(),this.targetNode=e,this.sourceNode=t,this.isAssignNode=!0}hasDependencies(){return!1}getNodeType(e,t){return"void"!==t?this.targetNode.getNodeType(e):"void"}needsSplitAssign(e){const{targetNode:t}=this;if(!1===e.isAvailable("swizzleAssign")&&t.isSplitNode&&t.components.length>1){const r=e.getTypeLength(t.node.getNodeType(e));return ai.join("").slice(0,r)!==t.components}return!1}setup(e){const{targetNode:t,sourceNode:r}=this,s=t.getScope();e.getDataFromNode(s).assign=!0;const i=e.getNodeProperties(this);i.sourceNode=r,i.targetNode=t.context({assign:!0})}generate(e,t){const{targetNode:r,sourceNode:s}=e.getNodeProperties(this),i=this.needsSplitAssign(e),n=r.build(e),a=r.getNodeType(e),o=s.build(e,a),u=s.getNodeType(e),l=e.getDataFromNode(this);let d;if(!0===l.initialized)"void"!==t&&(d=n);else if(i){const s=e.getVarFromNode(this,null,a),i=e.getPropertyName(s);e.addLineFlowCode(`${i} = ${o}`,this);const u=r.node,l=u.node.context({assign:!0}).build(e);for(let t=0;t<u.components.length;t++){const r=u.components[t];e.addLineFlowCode(`${l}.${r} = ${i}[ ${t} ]`,this)}"void"!==t&&(d=n)}else d=`${n} = ${o}`,"void"!==t&&"void"!==u||(e.addLineFlowCode(d,this),"void"!==t&&(d=n));return l.initialized=!0,e.format(d,a,t)}}const Ea=sn(Ra).setParameterLength(2);Si("assign",Ea);class Aa extends hi{static get type(){return"FunctionCallNode"}constructor(e=null,t={}){super(),this.functionNode=e,this.parameters=t}setParameters(e){return this.parameters=e,this}getParameters(){return this.parameters}getNodeType(e){return this.functionNode.getNodeType(e)}getMemberType(e,t){return this.functionNode.getMemberType(e,t)}generate(e){const t=[],r=this.functionNode,s=r.getInputs(e),i=this.parameters,n=(t,r)=>{const s=r.type;let i;return i="pointer"===s?"&"+t.build(e):t.build(e,s),i};if(Array.isArray(i)){if(i.length>s.length)o("TSL: The number of provided parameters exceeds the expected number of inputs in 'Fn()'."),i.length=s.length;else if(i.length<s.length)for(o("TSL: The number of provided parameters is less than the expected number of inputs in 'Fn()'.");i.length<s.length;)i.push(mn(0));for(let e=0;e<i.length;e++)t.push(n(i[e],s[e]))}else for(const e of s){const r=i[e.name];void 0!==r?t.push(n(r,e)):(o(`TSL: Input '${e.name}' not found in 'Fn()'.`),t.push(n(mn(0),e)))}return`${r.build(e,"property")}( ${t.join(", ")} )`}}const wa=(e,...t)=>(t=t.length>1||t[0]&&!0===t[0].isNode?rn(t):tn(t[0]),new Aa(Ji(e),t));Si("call",wa);const Ca={"==":"equal","!=":"notEqual","<":"lessThan",">":"greaterThan","<=":"lessThanEqual",">=":"greaterThanEqual","%":"mod"};class Ma extends hi{static get type(){return"OperatorNode"}constructor(e,t,r,...s){if(super(),s.length>0){let i=new Ma(e,t,r);for(let t=0;t<s.length-1;t++)i=new Ma(e,i,s[t]);t=i,r=s[s.length-1]}this.op=e,this.aNode=t,this.bNode=r,this.isOperatorNode=!0}getOperatorMethod(e,t){return e.getMethod(Ca[this.op],t)}getNodeType(e,t=null){const r=this.op,s=this.aNode,i=this.bNode,n=s.getNodeType(e),a=i?i.getNodeType(e):null;if("void"===n||"void"===a)return t||"void";if("%"===r)return n;if("~"===r||"&"===r||"|"===r||"^"===r||">>"===r||"<<"===r)return e.getIntegerType(n);if("!"===r||"&&"===r||"||"===r||"^^"===r)return"bool";if("=="===r||"!="===r||"<"===r||">"===r||"<="===r||">="===r){const t=Math.max(e.getTypeLength(n),e.getTypeLength(a));return t>1?`bvec${t}`:"bool"}if(e.isMatrix(n)){if("float"===a)return n;if(e.isVector(a))return e.getVectorFromMatrix(n);if(e.isMatrix(a))return n}else if(e.isMatrix(a)){if("float"===n)return a;if(e.isVector(n))return e.getVectorFromMatrix(a)}return e.getTypeLength(a)>e.getTypeLength(n)?a:n}generate(e,t){const r=this.op,{aNode:s,bNode:i}=this,n=this.getNodeType(e,t);let a=null,o=null;"void"!==n?(a=s.getNodeType(e),o=i?i.getNodeType(e):null,"<"===r||">"===r||"<="===r||">="===r||"=="===r||"!="===r?e.isVector(a)?o=a:e.isVector(o)?a=o:a!==o&&(a=o="float"):">>"===r||"<<"===r?(a=n,o=e.changeComponentType(o,"uint")):"%"===r?(a=n,o=e.isInteger(a)&&e.isInteger(o)?o:a):e.isMatrix(a)?"float"===o?o="float":e.isVector(o)?o=e.getVectorFromMatrix(a):e.isMatrix(o)||(a=o=n):a=e.isMatrix(o)?"float"===a?"float":e.isVector(a)?e.getVectorFromMatrix(o):o=n:o=n):a=o=n;const u=s.build(e,a),l=i?i.build(e,o):null,d=e.getFunctionOperator(r);if("void"!==t){const s=e.renderer.coordinateSystem===c;if("=="===r||"!="===r||"<"===r||">"===r||"<="===r||">="===r)return s&&e.isVector(a)?e.format(`${this.getOperatorMethod(e,t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} ${r} ${l} )`,n,t);if("%"===r)return e.isInteger(o)?e.format(`( ${u} % ${l} )`,n,t):e.format(`${this.getOperatorMethod(e,n)}( ${u}, ${l} )`,n,t);if("!"===r||"~"===r)return e.format(`(${r}${u})`,a,t);if(d)return e.format(`${d}( ${u}, ${l} )`,n,t);if(e.isMatrix(a)&&"float"===o)return e.format(`( ${l} ${r} ${u} )`,n,t);if("float"===a&&e.isMatrix(o))return e.format(`${u} ${r} ${l}`,n,t);{let i=`( ${u} ${r} ${l} )`;return!s&&"bool"===n&&e.isVector(a)&&e.isVector(o)&&(i=`all${i}`),e.format(i,n,t)}}if("void"!==a)return d?e.format(`${d}( ${u}, ${l} )`,n,t):e.isMatrix(a)&&"float"===o?e.format(`${l} ${r} ${u}`,n,t):e.format(`${u} ${r} ${l}`,n,t)}serialize(e){super.serialize(e),e.op=this.op}deserialize(e){super.deserialize(e),this.op=e.op}}const Ba=an(Ma,"+").setParameterLength(2,1/0).setName("add"),Fa=an(Ma,"-").setParameterLength(2,1/0).setName("sub"),La=an(Ma,"*").setParameterLength(2,1/0).setName("mul"),Pa=an(Ma,"/").setParameterLength(2,1/0).setName("div"),Da=an(Ma,"%").setParameterLength(2).setName("mod"),Ua=an(Ma,"==").setParameterLength(2).setName("equal"),Ia=an(Ma,"!=").setParameterLength(2).setName("notEqual"),Oa=an(Ma,"<").setParameterLength(2).setName("lessThan"),Va=an(Ma,">").setParameterLength(2).setName("greaterThan"),ka=an(Ma,"<=").setParameterLength(2).setName("lessThanEqual"),Ga=an(Ma,">=").setParameterLength(2).setName("greaterThanEqual"),za=an(Ma,"&&").setParameterLength(2,1/0).setName("and"),$a=an(Ma,"||").setParameterLength(2,1/0).setName("or"),Wa=an(Ma,"!").setParameterLength(1).setName("not"),Ha=an(Ma,"^^").setParameterLength(2).setName("xor"),qa=an(Ma,"&").setParameterLength(2).setName("bitAnd"),ja=an(Ma,"~").setParameterLength(1).setName("bitNot"),Xa=an(Ma,"|").setParameterLength(2).setName("bitOr"),Ka=an(Ma,"^").setParameterLength(2).setName("bitXor"),Ya=an(Ma,"<<").setParameterLength(2).setName("shiftLeft"),Qa=an(Ma,">>").setParameterLength(2).setName("shiftRight"),Za=ln(([e])=>(e.addAssign(1),e)),Ja=ln(([e])=>(e.subAssign(1),e)),eo=ln(([e])=>{const t=fn(e).toConst();return e.addAssign(1),t}),to=ln(([e])=>{const t=fn(e).toConst();return e.subAssign(1),t});Si("add",Ba),Si("sub",Fa),Si("mul",La),Si("div",Pa),Si("mod",Da),Si("equal",Ua),Si("notEqual",Ia),Si("lessThan",Oa),Si("greaterThan",Va),Si("lessThanEqual",ka),Si("greaterThanEqual",Ga),Si("and",za),Si("or",$a),Si("not",Wa),Si("xor",Ha),Si("bitAnd",qa),Si("bitNot",ja),Si("bitOr",Xa),Si("bitXor",Ka),Si("shiftLeft",Ya),Si("shiftRight",Qa),Si("incrementBefore",Za),Si("decrementBefore",Ja),Si("increment",eo),Si("decrement",to);const ro=(e,t)=>(d('TSL: "modInt()" is deprecated. Use "mod( int( ... ) )" instead.',new Ds),Da(fn(e),fn(t)));Si("modInt",ro);class so extends hi{static get type(){return"MathNode"}constructor(e,t,r=null,s=null){if(super(),(e===so.MAX||e===so.MIN)&&arguments.length>3){let i=new so(e,t,r);for(let t=2;t<arguments.length-1;t++)i=new so(e,i,arguments[t]);t=i,r=arguments[arguments.length-1],s=null}this.method=e,this.aNode=t,this.bNode=r,this.cNode=s,this.isMathNode=!0}getInputType(e){const t=this.aNode.getNodeType(e),r=this.bNode?this.bNode.getNodeType(e):null,s=this.cNode?this.cNode.getNodeType(e):null,i=e.isMatrix(t)?0:e.getTypeLength(t),n=e.isMatrix(r)?0:e.getTypeLength(r),a=e.isMatrix(s)?0:e.getTypeLength(s);return i>n&&i>a?t:n>a?r:a>i?s:t}getNodeType(e){const t=this.method;return t===so.LENGTH||t===so.DISTANCE||t===so.DOT?"float":t===so.CROSS?"vec3":t===so.ALL||t===so.ANY?"bool":t===so.EQUALS?e.changeComponentType(this.aNode.getNodeType(e),"bool"):this.getInputType(e)}setup(e){const{aNode:t,bNode:r,method:s}=this;let i=null;if(s===so.ONE_MINUS)i=Fa(1,t);else if(s===so.RECIPROCAL)i=Pa(1,t);else if(s===so.DIFFERENCE)i=Bo(Fa(t,r));else if(s===so.TRANSFORM_DIRECTION){let s=t,n=r;e.isMatrix(s.getNodeType(e))?n=An(Nn(n),0):s=An(Nn(s),0);const a=La(s,n).xyz;i=No(a)}return null!==i?i:super.setup(e)}generate(e,t){if(e.getNodeProperties(this).outputNode)return super.generate(e,t);let r=this.method;const s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,a=this.bNode,o=this.cNode,u=e.renderer.coordinateSystem;if(r===so.NEGATE)return e.format("( - "+n.build(e,i)+" )",s,t);{const l=[];return r===so.CROSS?l.push(n.build(e,s),a.build(e,s)):u===c&&r===so.STEP?l.push(n.build(e,1===e.getTypeLength(n.getNodeType(e))?"float":i),a.build(e,i)):u!==c||r!==so.MIN&&r!==so.MAX?r===so.REFRACT?l.push(n.build(e,i),a.build(e,i),o.build(e,"float")):r===so.MIX?l.push(n.build(e,i),a.build(e,i),o.build(e,1===e.getTypeLength(o.getNodeType(e))?"float":i)):(u===h&&r===so.ATAN&&null!==a&&(r="atan2"),"fragment"===e.shaderStage||r!==so.DFDX&&r!==so.DFDY||(d(`TSL: '${r}' is not supported in the ${e.shaderStage} stage.`,this.stackTrace),r="/*"+r+"*/"),l.push(n.build(e,i)),null!==a&&l.push(a.build(e,i)),null!==o&&l.push(o.build(e,i))):l.push(n.build(e,i),a.build(e,1===e.getTypeLength(a.getNodeType(e))?"float":i)),e.format(`${e.getMethod(r,s)}( ${l.join(", ")} )`,s,t)}}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}so.ALL="all",so.ANY="any",so.RADIANS="radians",so.DEGREES="degrees",so.EXP="exp",so.EXP2="exp2",so.LOG="log",so.LOG2="log2",so.SQRT="sqrt",so.INVERSE_SQRT="inversesqrt",so.FLOOR="floor",so.CEIL="ceil",so.NORMALIZE="normalize",so.FRACT="fract",so.SIN="sin",so.COS="cos",so.TAN="tan",so.ASIN="asin",so.ACOS="acos",so.ATAN="atan",so.ABS="abs",so.SIGN="sign",so.LENGTH="length",so.NEGATE="negate",so.ONE_MINUS="oneMinus",so.DFDX="dFdx",so.DFDY="dFdy",so.ROUND="round",so.RECIPROCAL="reciprocal",so.TRUNC="trunc",so.FWIDTH="fwidth",so.TRANSPOSE="transpose",so.DETERMINANT="determinant",so.INVERSE="inverse",so.EQUALS="equals",so.MIN="min",so.MAX="max",so.STEP="step",so.REFLECT="reflect",so.DISTANCE="distance",so.DIFFERENCE="difference",so.DOT="dot",so.CROSS="cross",so.POW="pow",so.TRANSFORM_DIRECTION="transformDirection",so.MIX="mix",so.CLAMP="clamp",so.REFRACT="refract",so.SMOOTHSTEP="smoothstep",so.FACEFORWARD="faceforward";const io=mn(1e-6),no=mn(1e6),ao=mn(Math.PI),oo=mn(2*Math.PI),uo=mn(2*Math.PI),lo=mn(.5*Math.PI),co=an(so,so.ALL).setParameterLength(1),ho=an(so,so.ANY).setParameterLength(1),po=an(so,so.RADIANS).setParameterLength(1),go=an(so,so.DEGREES).setParameterLength(1),mo=an(so,so.EXP).setParameterLength(1),fo=an(so,so.EXP2).setParameterLength(1),yo=an(so,so.LOG).setParameterLength(1),bo=an(so,so.LOG2).setParameterLength(1),xo=an(so,so.SQRT).setParameterLength(1),To=an(so,so.INVERSE_SQRT).setParameterLength(1),_o=an(so,so.FLOOR).setParameterLength(1),vo=an(so,so.CEIL).setParameterLength(1),No=an(so,so.NORMALIZE).setParameterLength(1),So=an(so,so.FRACT).setParameterLength(1),Ro=an(so,so.SIN).setParameterLength(1),Eo=an(so,so.COS).setParameterLength(1),Ao=an(so,so.TAN).setParameterLength(1),wo=an(so,so.ASIN).setParameterLength(1),Co=an(so,so.ACOS).setParameterLength(1),Mo=an(so,so.ATAN).setParameterLength(1,2),Bo=an(so,so.ABS).setParameterLength(1),Fo=an(so,so.SIGN).setParameterLength(1),Lo=an(so,so.LENGTH).setParameterLength(1),Po=an(so,so.NEGATE).setParameterLength(1),Do=an(so,so.ONE_MINUS).setParameterLength(1),Uo=an(so,so.DFDX).setParameterLength(1),Io=an(so,so.DFDY).setParameterLength(1),Oo=an(so,so.ROUND).setParameterLength(1),Vo=an(so,so.RECIPROCAL).setParameterLength(1),ko=an(so,so.TRUNC).setParameterLength(1),Go=an(so,so.FWIDTH).setParameterLength(1),zo=an(so,so.TRANSPOSE).setParameterLength(1),$o=an(so,so.DETERMINANT).setParameterLength(1),Wo=an(so,so.INVERSE).setParameterLength(1),Ho=an(so,so.MIN).setParameterLength(2,1/0),qo=an(so,so.MAX).setParameterLength(2,1/0),jo=an(so,so.STEP).setParameterLength(2),Xo=an(so,so.REFLECT).setParameterLength(2),Ko=an(so,so.DISTANCE).setParameterLength(2),Yo=an(so,so.DIFFERENCE).setParameterLength(2),Qo=an(so,so.DOT).setParameterLength(2),Zo=an(so,so.CROSS).setParameterLength(2),Jo=an(so,so.POW).setParameterLength(2),eu=e=>La(e,e),tu=e=>La(e,e,e),ru=e=>La(e,e,e,e),su=an(so,so.TRANSFORM_DIRECTION).setParameterLength(2),iu=e=>La(Fo(e),Jo(Bo(e),1/3)),nu=e=>Qo(e,e),au=an(so,so.MIX).setParameterLength(3),ou=(e,t=0,r=1)=>Ji(new so(so.CLAMP,Ji(e),Ji(t),Ji(r))),uu=e=>ou(e),lu=an(so,so.REFRACT).setParameterLength(3),du=an(so,so.SMOOTHSTEP).setParameterLength(3),cu=an(so,so.FACEFORWARD).setParameterLength(3),hu=ln(([e])=>{const t=Qo(e.xy,xn(12.9898,78.233)),r=Da(t,ao);return So(Ro(r).mul(43758.5453))}),pu=(e,t,r)=>au(t,r,e),gu=(e,t,r)=>du(t,r,e),mu=(e,t)=>jo(t,e),fu=cu,yu=To;Si("all",co),Si("any",ho),Si("radians",po),Si("degrees",go),Si("exp",mo),Si("exp2",fo),Si("log",yo),Si("log2",bo),Si("sqrt",xo),Si("inverseSqrt",To),Si("floor",_o),Si("ceil",vo),Si("normalize",No),Si("fract",So),Si("sin",Ro),Si("cos",Eo),Si("tan",Ao),Si("asin",wo),Si("acos",Co),Si("atan",Mo),Si("abs",Bo),Si("sign",Fo),Si("length",Lo),Si("lengthSq",nu),Si("negate",Po),Si("oneMinus",Do),Si("dFdx",Uo),Si("dFdy",Io),Si("round",Oo),Si("reciprocal",Vo),Si("trunc",ko),Si("fwidth",Go),Si("min",Ho),Si("max",qo),Si("step",mu),Si("reflect",Xo),Si("distance",Ko),Si("dot",Qo),Si("cross",Zo),Si("pow",Jo),Si("pow2",eu),Si("pow3",tu),Si("pow4",ru),Si("transformDirection",su),Si("mix",pu),Si("clamp",ou),Si("refract",lu),Si("smoothstep",gu),Si("faceForward",cu),Si("difference",Yo),Si("saturate",uu),Si("cbrt",iu),Si("transpose",zo),Si("determinant",$o),Si("inverse",Wo),Si("rand",hu);class bu extends li{static get type(){return"ConditionalNode"}constructor(e,t,r=null){super(),this.condNode=e,this.ifNode=t,this.elseNode=r}getNodeType(e){const{ifNode:t,elseNode:r}=e.getNodeProperties(this);if(void 0===t)return e.flowBuildStage(this,"setup"),this.getNodeType(e);const s=t.getNodeType(e);if(null!==r){const t=r.getNodeType(e);if(e.getTypeLength(t)>e.getTypeLength(s))return t}return s}setup(e){const t=this.condNode,r=this.ifNode.isolate(),s=this.elseNode?this.elseNode.isolate():null,i=e.context.nodeBlock;e.getDataFromNode(r).parentNodeBlock=i,null!==s&&(e.getDataFromNode(s).parentNodeBlock=i);const n=e.context.uniformFlow,a=e.getNodeProperties(this);a.condNode=t,a.ifNode=n?r:r.context({nodeBlock:r}),a.elseNode=s?n?s:s.context({nodeBlock:s}):null}generate(e,t){const r=this.getNodeType(e),s=e.getDataFromNode(this);if(void 0!==s.nodeProperty)return s.nodeProperty;const{condNode:i,ifNode:n,elseNode:a}=e.getNodeProperties(this),o=e.currentFunctionNode,u="void"!==t,l=u?In(r).build(e):"";s.nodeProperty=l;const c=i.build(e,"bool");if(e.context.uniformFlow&&null!==a){const s=n.build(e,r),i=a.build(e,r),o=e.getTernary(c,s,i);return e.format(o,r,t)}e.addFlowCode(`\n${e.tab}if ( ${c} ) {\n\n`).addFlowTab();let h=n.build(e,r);if(h&&(u?h=l+" = "+h+";":(h="return "+h+";",null===o&&(d("TSL: Return statement used in an inline 'Fn()'. Define a layout struct to allow return values.",this.stackTrace),h="// "+h))),e.removeFlowTab().addFlowCode(e.tab+"\t"+h+"\n\n"+e.tab+"}"),null!==a){e.addFlowCode(" else {\n\n").addFlowTab();let t=a.build(e,r);t&&(u?t=l+" = "+t+";":(t="return "+t+";",null===o&&(d("TSL: Return statement used in an inline 'Fn()'. Define a layout struct to allow return values.",this.stackTrace),t="// "+t))),e.removeFlowTab().addFlowCode(e.tab+"\t"+t+"\n\n"+e.tab+"}\n\n")}else e.addFlowCode("\n\n");return e.format(l,r,t)}}const xu=sn(bu).setParameterLength(2,3);Si("select",xu);class Tu extends li{static get type(){return"ContextNode"}constructor(e=null,t={}){super(),this.isContextNode=!0,this.node=e,this.value=t}getScope(){return this.node.getScope()}getNodeType(e){return this.node.getNodeType(e)}getFlowContextData(){const e=[];return this.traverse(t=>{!0===t.isContextNode&&e.push(t.value)}),Object.assign({},...e)}getMemberType(e,t){return this.node.getMemberType(e,t)}analyze(e){const t=e.addContext(this.value);this.node.build(e),e.setContext(t)}setup(e){const t=e.addContext(this.value);this.node.build(e),e.setContext(t)}generate(e,t){const r=e.addContext(this.value),s=this.node.build(e,t);return e.setContext(r),s}}const _u=(e=null,t={})=>{let r=e;return null!==r&&!0===r.isNode||(t=r||t,r=null),new Tu(r,t)},vu=e=>_u(e,{uniformFlow:!0}),Nu=(e,t)=>_u(e,{nodeName:t});function Su(e,t,r=null){return _u(r,{getShadow:({light:r,shadowColorNode:s})=>t===r?s.mul(e):s})}function Ru(e,t=null){return _u(t,{getAO:(t,{material:r})=>!0===r.transparent?t:null!==t?t.mul(e):e})}function Eu(e,t){return d('TSL: "label()" has been deprecated. Use "setName()" instead.'),Nu(e,t)}Si("context",_u),Si("label",Eu),Si("uniformFlow",vu),Si("setName",Nu),Si("builtinShadowContext",(e,t,r)=>Su(t,r,e)),Si("builtinAOContext",(e,t)=>Ru(t,e));class Au extends li{static get type(){return"VarNode"}constructor(e,t=null,r=!1){super(),this.node=e,this.name=t,this.global=!0,this.isVarNode=!0,this.readOnly=r,this.parents=!0,this.intent=!1}setIntent(e){return this.intent=e,this}isIntent(e){return!0!==e.getDataFromNode(this).forceDeclaration&&this.intent}getIntent(){return this.intent}getMemberType(e,t){return this.node.getMemberType(e,t)}getElementType(e){return this.node.getElementType(e)}getNodeType(e){return this.node.getNodeType(e)}getArrayCount(e){return this.node.getArrayCount(e)}isAssign(e){return e.getDataFromNode(this).assign}build(...e){const t=e[0];if(!1===this._hasStack(t)&&"setup"===t.buildStage&&(t.context.nodeLoop||t.context.nodeBlock)){let e=!1;if(this.node.isShaderCallNodeInternal&&null===this.node.shaderNode.getLayout()&&t.fnCall&&t.fnCall.shaderNode){if(t.getDataFromNode(this.node.shaderNode).hasLoop){t.getDataFromNode(this).forceDeclaration=!0,e=!0}}const r=t.getBaseStack();e?r.addToStackBefore(this):r.addToStack(this)}return this.isIntent(t)&&!0!==this.isAssign(t)?this.node.build(...e):super.build(...e)}generate(e){const{node:t,name:r,readOnly:s}=this,{renderer:i}=e,n=!0===i.backend.isWebGPUBackend;let a=!1,u=!1;s&&(a=e.isDeterministic(t),u=n?s:a);const l=this.getNodeType(e);if("void"==l){!0!==this.isIntent(e)&&o('TSL: ".toVar()" can not be used with void type.',this.stackTrace);return t.build(e)}const d=e.getVectorType(l),c=t.build(e,d),h=e.getVarFromNode(this,r,d,void 0,u),p=e.getPropertyName(h);let g=p;if(u)if(n)g=a?`const ${p}`:`let ${p}`;else{const r=t.getArrayCount(e);g=`const ${e.getVar(h.type,p,r)}`}return e.addLineFlowCode(`${g} = ${c}`,this),p}_hasStack(e){return void 0!==e.getDataFromNode(this).stack}}const wu=sn(Au),Cu=(e,t=null)=>wu(e,t).toStack(),Mu=(e,t=null)=>wu(e,t,!0).toStack(),Bu=e=>wu(e).setIntent(!0).toStack();Si("toVar",Cu),Si("toConst",Mu),Si("toVarIntent",Bu);class Fu extends li{static get type(){return"SubBuild"}constructor(e,t,r=null){super(r),this.node=e,this.name=t,this.isSubBuildNode=!0}getNodeType(e){if(null!==this.nodeType)return this.nodeType;e.addSubBuild(this.name);const t=this.node.getNodeType(e);return e.removeSubBuild(),t}build(e,...t){e.addSubBuild(this.name);const r=this.node.build(e,...t);return e.removeSubBuild(),r}}const Lu=(e,t,r=null)=>Ji(new Fu(Ji(e),t,r));class Pu extends li{static get type(){return"VaryingNode"}constructor(e,t=null){super(),this.node=Lu(e,"VERTEX"),this.name=t,this.isVaryingNode=!0,this.interpolationType=null,this.interpolationSampling=null,this.global=!0}setInterpolation(e,t=null){return this.interpolationType=e,this.interpolationSampling=t,this}getHash(e){return this.name||super.getHash(e)}getNodeType(e){return this.node.getNodeType(e)}setupVarying(e){const t=e.getNodeProperties(this);let r=t.varying;if(void 0===r){const s=this.name,i=this.getNodeType(e),n=this.interpolationType,a=this.interpolationSampling;t.varying=r=e.getVaryingFromNode(this,s,i,n,a),t.node=Lu(this.node,"VERTEX")}return r.needsInterpolation||(r.needsInterpolation="fragment"===e.shaderStage),r}setup(e){this.setupVarying(e),e.flowNodeFromShaderStage(Js.VERTEX,this.node)}analyze(e){this.setupVarying(e),e.flowNodeFromShaderStage(Js.VERTEX,this.node)}generate(e){const t=e.getSubBuildProperty("property",e.currentStack),r=e.getNodeProperties(this),s=this.setupVarying(e);if(void 0===r[t]){const i=this.getNodeType(e),n=e.getPropertyName(s,Js.VERTEX);e.flowNodeFromShaderStage(Js.VERTEX,r.node,i,n),r[t]=n}return e.getPropertyName(s)}}const Du=sn(Pu).setParameterLength(1,2),Uu=e=>Du(e);Si("toVarying",Du),Si("toVertexStage",Uu);const Iu=ln(([e])=>{const t=e.mul(.9478672986).add(.0521327014).pow(2.4),r=e.mul(.0773993808),s=e.lessThanEqual(.04045);return au(t,r,s)}).setLayout({name:"sRGBTransferEOTF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Ou=ln(([e])=>{const t=e.pow(.41666).mul(1.055).sub(.055),r=e.mul(12.92),s=e.lessThanEqual(.0031308);return au(t,r,s)}).setLayout({name:"sRGBTransferOETF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Vu="WorkingColorSpace";class ku extends hi{static get type(){return"ColorSpaceNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this.source=t,this.target=r}resolveColorSpace(e,t){return t===Vu?p.workingColorSpace:"OutputColorSpace"===t?e.context.outputColorSpace||e.renderer.outputColorSpace:t}setup(e){const{colorNode:t}=this,r=this.resolveColorSpace(e,this.source),s=this.resolveColorSpace(e,this.target);let i=t;return!1!==p.enabled&&r!==s&&r&&s?(p.getTransfer(r)===g&&(i=An(Iu(i.rgb),i.a)),p.getPrimaries(r)!==p.getPrimaries(s)&&(i=An(Fn(p._getMatrix(new n,r,s)).mul(i.rgb),i.a)),p.getTransfer(s)===g&&(i=An(Ou(i.rgb),i.a)),i):i}}const Gu=(e,t)=>Ji(new ku(Ji(e),Vu,t)),zu=(e,t)=>Ji(new ku(Ji(e),t,Vu));Si("workingToColorSpace",Gu),Si("colorSpaceToWorking",zu);let $u=class extends di{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}getNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,r,s)}};class Wu extends li{static get type(){return"ReferenceBaseNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.updateType=ei.OBJECT}setGroup(e){return this.group=e,this}element(e){return new $u(this,Ji(e))}setNodeType(e){const t=va(null,e);null!==this.group&&t.setGroup(this.group),this.node=t}getNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}class Hu extends Wu{static get type(){return"RendererReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.renderer=r,this.setGroup(xa)}updateReference(e){return this.reference=null!==this.renderer?this.renderer:e.renderer,this.reference}}const qu=(e,t,r=null)=>new Hu(e,t,r);class ju extends hi{static get type(){return"ToneMappingNode"}constructor(e,t=Ku,r=null){super("vec3"),this._toneMapping=e,this.exposureNode=t,this.colorNode=r}customCacheKey(){return Vs(this._toneMapping)}setToneMapping(e){return this._toneMapping=e,this}getToneMapping(){return this._toneMapping}setup(e){const t=this.colorNode||e.context.color,r=this._toneMapping;if(r===m)return t;let s=null;const i=e.renderer.library.getToneMappingFunction(r);return null!==i?s=An(i(t.rgb,this.exposureNode),t.a):(o("ToneMappingNode: Unsupported Tone Mapping configuration.",r),s=t),s}}const Xu=(e,t,r)=>Ji(new ju(e,Ji(t),Ji(r))),Ku=qu("toneMappingExposure","float");Si("toneMapping",(e,t,r)=>Xu(t,r,e));const Yu=new WeakMap;function Qu(e,t){let r=Yu.get(e);return void 0===r&&(r=new b(e,t),Yu.set(e,r)),r}class Zu extends bi{static get type(){return"BufferAttributeNode"}constructor(e,t=null,r=0,s=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferStride=r,this.bufferOffset=s,this.usage=f,this.instanced=!1,this.attribute=null,this.global=!0,e&&!0===e.isBufferAttribute&&e.itemSize<=4&&(this.attribute=e,this.usage=e.usage,this.instanced=e.isInstancedBufferAttribute)}getHash(e){if(0===this.bufferStride&&0===this.bufferOffset){let t=e.globalCache.getData(this.value);return void 0===t&&(t={node:this},e.globalCache.setData(this.value,t)),t.node.uuid}return this.uuid}getNodeType(e){return null===this.bufferType&&(this.bufferType=e.getTypeFromAttribute(this.attribute)),this.bufferType}setup(e){if(null!==this.attribute)return;const t=this.getNodeType(e),r=e.getTypeLength(t),s=this.value,i=this.bufferStride||r,n=this.bufferOffset;let a;a=!0===s.isInterleavedBuffer?s:!0===s.isBufferAttribute?Qu(s.array,i):Qu(s,i);const o=new y(a,r,n);a.setUsage(this.usage),this.attribute=o,this.attribute.isInstancedBufferAttribute=this.instanced}generate(e){const t=this.getNodeType(e),r=e.getBufferAttributeFromNode(this,t),s=e.getPropertyName(r);let i=null;if("vertex"===e.shaderStage||"compute"===e.shaderStage)this.name=s,i=s;else{i=Du(this).build(e,t)}return i}getInputType(){return"bufferAttribute"}setUsage(e){return this.usage=e,this.attribute&&!0===this.attribute.isBufferAttribute&&(this.attribute.usage=e),this}setInstanced(e){return this.instanced=e,this}}function Ju(e,t=null,r=0,s=0,i=f,n=!1){return"mat3"===t||null===t&&9===e.itemSize?Fn(new Zu(e,"vec3",9,0).setUsage(i).setInstanced(n),new Zu(e,"vec3",9,3).setUsage(i).setInstanced(n),new Zu(e,"vec3",9,6).setUsage(i).setInstanced(n)):"mat4"===t||null===t&&16===e.itemSize?Ln(new Zu(e,"vec4",16,0).setUsage(i).setInstanced(n),new Zu(e,"vec4",16,4).setUsage(i).setInstanced(n),new Zu(e,"vec4",16,8).setUsage(i).setInstanced(n),new Zu(e,"vec4",16,12).setUsage(i).setInstanced(n)):new Zu(e,t,r,s).setUsage(i)}const el=(e,t=null,r=0,s=0)=>Ju(e,t,r,s),tl=(e,t=null,r=0,s=0)=>Ju(e,t,r,s,f,!0),rl=(e,t=null,r=0,s=0)=>Ju(e,t,r,s,x,!0);Si("toAttribute",e=>el(e.value));class sl extends li{static get type(){return"ComputeNode"}constructor(e,t){super("void"),this.isComputeNode=!0,this.computeNode=e,this.workgroupSize=t,this.count=null,this.version=1,this.name="",this.updateBeforeType=ei.OBJECT,this.onInitFunction=null}setCount(e){return this.count=e,this}getCount(){return this.count}dispose(){this.dispatchEvent({type:"dispose"})}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Ds),this.setName(e)}onInit(e){return this.onInitFunction=e,this}updateBefore({renderer:e}){e.compute(this)}setup(e){const t=this.computeNode.build(e);if(t){e.getNodeProperties(this).outputComputeNode=t.outputNode,t.outputNode=null}return t}generate(e,t){const{shaderStage:r}=e;if("compute"===r){const t=this.computeNode.build(e,"void");""!==t&&e.addLineFlowCode(t,this)}else{const r=e.getNodeProperties(this).outputComputeNode;if(r)return r.build(e,t)}}}const il=(e,t=[64])=>{(0===t.length||t.length>3)&&o("TSL: compute() workgroupSize must have 1, 2, or 3 elements",new Ds);for(let e=0;e<t.length;e++){const r=t[e];("number"!=typeof r||r<=0||!Number.isInteger(r))&&o(`TSL: compute() workgroupSize element at index [ ${e} ] must be a positive integer`,new Ds)}for(;t.length<3;)t.push(1);return Ji(new sl(Ji(e),t))},nl=(e,t,r)=>il(e,r).setCount(t);Si("compute",nl),Si("computeKernel",il);class al extends li{static get type(){return"IsolateNode"}constructor(e,t=!0){super(),this.node=e,this.parent=t,this.isIsolateNode=!0}getNodeType(e){const t=e.getCache(),r=e.getCacheFromNode(this,this.parent);e.setCache(r);const s=this.node.getNodeType(e);return e.setCache(t),s}build(e,...t){const r=e.getCache(),s=e.getCacheFromNode(this,this.parent);e.setCache(s);const i=this.node.build(e,...t);return e.setCache(r),i}setParent(e){return this.parent=e,this}getParent(){return this.parent}}const ol=e=>new al(Ji(e));function ul(e,t=!0){return d('TSL: "cache()" has been deprecated. Use "isolate()" instead.'),ol(e).setParent(t)}Si("cache",ul),Si("isolate",ol);class ll extends li{static get type(){return"BypassNode"}constructor(e,t){super(),this.isBypassNode=!0,this.outputNode=e,this.callNode=t}getNodeType(e){return this.outputNode.getNodeType(e)}generate(e){const t=this.callNode.build(e,"void");return""!==t&&e.addLineFlowCode(t,this),this.outputNode.build(e)}}const dl=sn(ll).setParameterLength(2);Si("bypass",dl);class cl extends li{static get type(){return"RemapNode"}constructor(e,t,r,s=mn(0),i=mn(1)){super(),this.node=e,this.inLowNode=t,this.inHighNode=r,this.outLowNode=s,this.outHighNode=i,this.doClamp=!0}setup(){const{node:e,inLowNode:t,inHighNode:r,outLowNode:s,outHighNode:i,doClamp:n}=this;let a=e.sub(t).div(r.sub(t));return!0===n&&(a=a.clamp()),a.mul(i.sub(s)).add(s)}}const hl=sn(cl,null,null,{doClamp:!1}).setParameterLength(3,5),pl=sn(cl).setParameterLength(3,5);Si("remap",hl),Si("remapClamp",pl);class gl extends li{static get type(){return"ExpressionNode"}constructor(e="",t="void"){super(t),this.snippet=e}generate(e,t){const r=this.getNodeType(e),s=this.snippet;if("void"!==r)return e.format(s,r,t);e.addLineFlowCode(s,this)}}const ml=sn(gl).setParameterLength(1,2),fl=e=>(e?xu(e,ml("discard")):ml("discard")).toStack();Si("discard",fl);class yl extends hi{static get type(){return"RenderOutputNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this._toneMapping=t,this.outputColorSpace=r,this.isRenderOutputNode=!0}setToneMapping(e){return this._toneMapping=e,this}getToneMapping(){return this._toneMapping}setup({context:e}){let t=this.colorNode||e.color;const r=(null!==this._toneMapping?this._toneMapping:e.toneMapping)||m,s=(null!==this.outputColorSpace?this.outputColorSpace:e.outputColorSpace)||T;return r!==m&&(t=t.toneMapping(r)),s!==T&&s!==p.workingColorSpace&&(t=t.workingToColorSpace(s)),t}}const bl=(e,t=null,r=null)=>Ji(new yl(Ji(e),t,r));Si("renderOutput",bl);class xl extends hi{static get type(){return"DebugNode"}constructor(e,t=null){super(),this.node=e,this.callback=t}getNodeType(e){return this.node.getNodeType(e)}setup(e){return this.node.build(e)}analyze(e){return this.node.build(e)}generate(e){const t=this.callback,r=this.node.build(e);if(null!==t)t(e,r);else{const t="--- TSL debug - "+e.shaderStage+" shader ---",s="-".repeat(t.length);let i="";i+="// #"+t+"#\n",i+=e.flow.code.replace(/^\t/gm,"")+"\n",i+="/* ... */ "+r+" /* ... */\n",i+="// #"+s+"#\n",_(i)}return r}}const Tl=(e,t=null)=>Ji(new xl(Ji(e),t)).toStack();Si("debug",Tl);class _l{constructor(){this._renderer=null,this.currentFrame=null}get nodeFrame(){return this._renderer._nodes.nodeFrame}setRenderer(e){return this._renderer=e,this}getRenderer(){return this._renderer}init(){}begin(){}finish(){}inspect(){}computeAsync(){}beginCompute(){}finishCompute(){}beginRender(){}finishRender(){}copyTextureToTexture(){}copyFramebufferToTexture(){}}class vl extends li{static get type(){return"InspectorNode"}constructor(e,t="",r=null){super(),this.node=e,this.name=t,this.callback=r,this.updateType=ei.FRAME,this.isInspectorNode=!0}getName(){return this.name||this.node.name}update(e){e.renderer.inspector.inspect(this)}getNodeType(e){return this.node.getNodeType(e)}setup(e){let t=this.node;return!0===e.context.inspector&&null!==this.callback&&(t=this.callback(t)),!0!==e.renderer.backend.isWebGPUBackend&&e.renderer.inspector.constructor!==_l&&v('TSL: ".toInspector()" is only available with WebGPU.'),t}}function Nl(e,t="",r=null){return(e=Ji(e)).before(new vl(e,t,r))}Si("toInspector",Nl);class Sl extends li{static get type(){return"AttributeNode"}constructor(e,t=null){super(t),this.global=!0,this._attributeName=e}getHash(e){return this.getAttributeName(e)}getNodeType(e){let t=this.nodeType;if(null===t){const r=this.getAttributeName(e);if(e.hasGeometryAttribute(r)){const s=e.geometry.getAttribute(r);t=e.getTypeFromAttribute(s)}else t="float"}return t}setAttributeName(e){return this._attributeName=e,this}getAttributeName(){return this._attributeName}generate(e){const t=this.getAttributeName(e),r=this.getNodeType(e);if(!0===e.hasGeometryAttribute(t)){const s=e.geometry.getAttribute(t),i=e.getTypeFromAttribute(s),n=e.getAttribute(t,i);if("vertex"===e.shaderStage)return e.format(n.name,i,r);return Du(this).build(e,r)}return d(`AttributeNode: Vertex attribute "${t}" not found on geometry.`),e.generateConst(r)}serialize(e){super.serialize(e),e.global=this.global,e._attributeName=this._attributeName}deserialize(e){super.deserialize(e),this.global=e.global,this._attributeName=e._attributeName}}const Rl=(e,t=null)=>new Sl(e,t),El=(e=0)=>Rl("uv"+(e>0?e:""),"vec2");class Al extends li{static get type(){return"TextureSizeNode"}constructor(e,t=null){super("uvec2"),this.isTextureSizeNode=!0,this.textureNode=e,this.levelNode=t}generate(e,t){const r=this.textureNode.build(e,"property"),s=null===this.levelNode?"0":this.levelNode.build(e,"int");return e.format(`${e.getMethod("textureDimensions")}( ${r}, ${s} )`,this.getNodeType(e),t)}}const wl=sn(Al).setParameterLength(1,2);class Cl extends _a{static get type(){return"MaxMipLevelNode"}constructor(e){super(0),this._textureNode=e,this.updateType=ei.FRAME}get textureNode(){return this._textureNode}get texture(){return this._textureNode.value}update(){const e=this.texture,t=e.images,r=t&&t.length>0?t[0]&&t[0].image||t[0]:e.image;if(r&&void 0!==r.width){const{width:e,height:t}=r;this.value=Math.log2(Math.max(e,t))}}}const Ml=sn(Cl).setParameterLength(1);class Bl extends Error{constructor(e,t=null){super(e),this.name="NodeError",this.stackTrace=t}}const Fl=new N;class Ll extends _a{static get type(){return"TextureNode"}constructor(e=Fl,t=null,r=null,s=null){super(e),this.isTextureNode=!0,this.uvNode=t,this.levelNode=r,this.biasNode=s,this.compareNode=null,this.depthNode=null,this.gradNode=null,this.offsetNode=null,this.sampler=!0,this.updateMatrix=!1,this.updateType=ei.NONE,this.referenceNode=null,this._value=e,this._matrixUniform=null,this._flipYUniform=null,this.setUpdateMatrix(null===t)}set value(e){this.referenceNode?this.referenceNode.value=e:this._value=e}get value(){return this.referenceNode?this.referenceNode.value:this._value}getUniformHash(){return this.value.uuid}getNodeType(){return!0===this.value.isDepthTexture?"float":this.value.type===S?"uvec4":this.value.type===R?"ivec4":"vec4"}getInputType(){return"texture"}getDefaultUV(){return El(this.value.channel)}updateReference(){return this.value}getTransformedUV(e){return null===this._matrixUniform&&(this._matrixUniform=va(this.value.matrix)),this._matrixUniform.mul(Nn(e,1)).xy}setUpdateMatrix(e){return this.updateMatrix=e,this}setupUV(e,t){return e.isFlipY()&&(null===this._flipYUniform&&(this._flipYUniform=va(!1)),t=t.toVar(),t=this.sampler?this._flipYUniform.select(t.flipY(),t):this._flipYUniform.select(t.setY(fn(wl(this,this.levelNode).y).sub(t.y).sub(1)),t)),t}setup(e){const t=e.getNodeProperties(this);t.referenceNode=this.referenceNode;const r=this.value;if(!r||!0!==r.isTexture)throw new Bl("THREE.TSL: `texture( value )` function expects a valid instance of THREE.Texture().",this.stackTrace);const s=ln(()=>{let t=this.uvNode;return null!==t&&!0!==e.context.forceUVContext||!e.context.getUV||(t=e.context.getUV(this,e)),t||(t=this.getDefaultUV()),!0===this.updateMatrix&&(t=this.getTransformedUV(t)),t=this.setupUV(e,t),this.updateType=null!==this._matrixUniform||null!==this._flipYUniform?ei.OBJECT:ei.NONE,t})();let i=this.levelNode;null===i&&e.context.getTextureLevel&&(i=e.context.getTextureLevel(this));let n=null,a=null;null!==this.compareNode&&(e.renderer.hasCompatibility(E.TEXTURE_COMPARE)?n=this.compareNode:null===this.value.compareFunction||this.value.compareFunction===A?a=this.compareNode:(n=this.compareNode,v('TSL: Only "LessCompare" is supported for depth texture comparison fallback.'))),t.uvNode=s,t.levelNode=i,t.biasNode=this.biasNode,t.compareNode=n,t.compareStepNode=a,t.gradNode=this.gradNode,t.depthNode=this.depthNode,t.offsetNode=this.offsetNode}generateUV(e,t){return t.build(e,!0===this.sampler?"vec2":"ivec2")}generateOffset(e,t){return t.build(e,"ivec2")}generateSnippet(e,t,r,s,i,n,a,o,u){const l=this.value;let d;return d=i?e.generateTextureBias(l,t,r,i,n,u):o?e.generateTextureGrad(l,t,r,o,n,u):a?e.generateTextureCompare(l,t,r,a,n,u):!1===this.sampler?e.generateTextureLoad(l,t,r,s,n,u):s?e.generateTextureLevel(l,t,r,s,n,u):e.generateTexture(l,t,r,n,u),d}generate(e,t){const r=this.value,s=e.getNodeProperties(this),i=super.generate(e,"property");if(/^sampler/.test(t))return i+"_sampler";if(e.isReference(t))return i;{const n=e.getDataFromNode(this),a=this.getNodeType(e);let o=n.propertyName;if(void 0===o){const{uvNode:t,levelNode:r,biasNode:u,compareNode:l,compareStepNode:d,depthNode:c,gradNode:h,offsetNode:p}=s,g=this.generateUV(e,t),m=r?r.build(e,"float"):null,f=u?u.build(e,"float"):null,y=c?c.build(e,"int"):null,b=l?l.build(e,"float"):null,x=d?d.build(e,"float"):null,T=h?[h[0].build(e,"vec2"),h[1].build(e,"vec2")]:null,_=p?this.generateOffset(e,p):null,v=e.getVarFromNode(this);o=e.getPropertyName(v);let N=this.generateSnippet(e,i,g,m,f,y,b,T,_);null!==x&&(N=jo(ml(x,"float"),ml(N,a)).build(e,a)),e.addLineFlowCode(`${o} = ${N}`,this),n.snippet=N,n.propertyName=o}let u=o;return e.needsToWorkingColorSpace(r)&&(u=zu(ml(u,a),r.colorSpace).setup(e).build(e,a)),e.format(u,a,t)}}setSampler(e){return this.sampler=e,this}getSampler(){return this.sampler}sample(e){const t=this.clone();return t.uvNode=Ji(e),t.referenceNode=this.getBase(),Ji(t)}load(e){return this.sample(e).setSampler(!1)}blur(e){const t=this.clone();t.biasNode=Ji(e).mul(Ml(t)),t.referenceNode=this.getBase();const r=t.value;return!1===t.generateMipmaps&&(r&&!1===r.generateMipmaps||r.minFilter===w||r.magFilter===w)&&(d("TSL: texture().blur() requires mipmaps and sampling. Use .generateMipmaps=true and .minFilter/.magFilter=THREE.LinearFilter in the Texture."),t.biasNode=null),Ji(t)}level(e){const t=this.clone();return t.levelNode=Ji(e),t.referenceNode=this.getBase(),Ji(t)}size(e){return wl(this,e)}bias(e){const t=this.clone();return t.biasNode=Ji(e),t.referenceNode=this.getBase(),Ji(t)}getBase(){return this.referenceNode?this.referenceNode.getBase():this}compare(e){const t=this.clone();return t.compareNode=Ji(e),t.referenceNode=this.getBase(),Ji(t)}grad(e,t){const r=this.clone();return r.gradNode=[Ji(e),Ji(t)],r.referenceNode=this.getBase(),Ji(r)}depth(e){const t=this.clone();return t.depthNode=Ji(e),t.referenceNode=this.getBase(),Ji(t)}offset(e){const t=this.clone();return t.offsetNode=Ji(e),t.referenceNode=this.getBase(),Ji(t)}serialize(e){super.serialize(e),e.value=this.value.toJSON(e.meta).uuid,e.sampler=this.sampler,e.updateMatrix=this.updateMatrix,e.updateType=this.updateType}deserialize(e){super.deserialize(e),this.value=e.meta.textures[e.value],this.sampler=e.sampler,this.updateMatrix=e.updateMatrix,this.updateType=e.updateType}update(){const e=this.value,t=this._matrixUniform;null!==t&&(t.value=e.matrix),!0===e.matrixAutoUpdate&&e.updateMatrix();const r=this._flipYUniform;null!==r&&(r.value=e.image instanceof ImageBitmap&&!0===e.flipY||!0===e.isRenderTargetTexture||!0===e.isFramebufferTexture||!0===e.isDepthTexture)}clone(){const e=new this.constructor(this.value,this.uvNode,this.levelNode,this.biasNode);return e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.offsetNode=this.offsetNode,e}}const Pl=sn(Ll).setParameterLength(1,4).setName("texture"),Dl=(e=Fl,t=null,r=null,s=null)=>{let i;return e&&!0===e.isTextureNode?(i=Ji(e.clone()),i.referenceNode=e.getBase(),null!==t&&(i.uvNode=Ji(t)),null!==r&&(i.levelNode=Ji(r)),null!==s&&(i.biasNode=Ji(s))):i=Pl(e,t,r,s),i},Ul=(...e)=>Dl(...e).setSampler(!1);class Il extends _a{static get type(){return"BufferNode"}constructor(e,t,r=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferCount=r,this.updateRanges=[]}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}getElementType(e){return this.getNodeType(e)}getInputType(){return"buffer"}}const Ol=(e,t,r)=>new Il(e,t,r);class Vl extends di{static get type(){return"UniformArrayElementNode"}constructor(e,t){super(e,t),this.isArrayBufferElementNode=!0}generate(e){const t=super.generate(e),r=this.getNodeType(),s=this.node.getPaddedType();return e.format(t,s,r)}}class kl extends Il{static get type(){return"UniformArrayNode"}constructor(e,t=null){super(null),this.array=e,this.elementType=null===t?js(e[0]):t,this.paddedType=this.getPaddedType(),this.updateType=ei.RENDER,this.isArrayBufferNode=!0}getNodeType(){return this.paddedType}getElementType(){return this.elementType}getPaddedType(){const e=this.elementType;let t="vec4";return"mat2"===e?t="mat2":!0===/mat/.test(e)?t="mat4":"i"===e.charAt(0)?t="ivec4":"u"===e.charAt(0)&&(t="uvec4"),t}update(){const{array:e,value:t}=this,r=this.elementType;if("float"===r||"int"===r||"uint"===r)for(let r=0;r<e.length;r++){t[4*r]=e[r]}else if("color"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.r,t[s+1]=i.g,t[s+2]=i.b||0}else if("mat2"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+3]=i.elements[3]}else if("mat3"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+4]=i.elements[3],t[s+5]=i.elements[4],t[s+6]=i.elements[5],t[s+8]=i.elements[6],t[s+9]=i.elements[7],t[s+10]=i.elements[8],t[s+15]=1}else if("mat4"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];for(let e=0;e<i.elements.length;e++)t[s+e]=i.elements[e]}else for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.x,t[s+1]=i.y,t[s+2]=i.z||0,t[s+3]=i.w||0}}setup(e){const t=this.array.length,r=this.elementType;let s=Float32Array;const i=this.paddedType,n=e.getTypeLength(i);return"i"===r.charAt(0)&&(s=Int32Array),"u"===r.charAt(0)&&(s=Uint32Array),this.value=new s(t*n),this.bufferCount=t,this.bufferType=i,this.update(),super.setup(e)}element(e){return new Vl(this,Ji(e))}}const Gl=(e,t)=>new kl(e,t);class zl extends li{constructor(e){super("float"),this.name=e,this.isBuiltinNode=!0}generate(){return this.name}}const $l=sn(zl).setParameterLength(1);let Wl,Hl;class ql extends li{static get type(){return"ScreenNode"}constructor(e){super(),this.scope=e,this._output=null,this.isViewportNode=!0}getNodeType(){return this.scope===ql.DPR?"float":this.scope===ql.VIEWPORT?"vec4":"vec2"}getUpdateType(){let e=ei.NONE;return this.scope!==ql.SIZE&&this.scope!==ql.VIEWPORT&&this.scope!==ql.DPR||(e=ei.RENDER),this.updateType=e,e}update({renderer:e}){const t=e.getRenderTarget();this.scope===ql.VIEWPORT?null!==t?Hl.copy(t.viewport):(e.getViewport(Hl),Hl.multiplyScalar(e.getPixelRatio())):this.scope===ql.DPR?this._output.value=e.getPixelRatio():null!==t?(Wl.width=t.width,Wl.height=t.height):e.getDrawingBufferSize(Wl)}setup(){const e=this.scope;let r=null;return r=e===ql.SIZE?va(Wl||(Wl=new t)):e===ql.VIEWPORT?va(Hl||(Hl=new s)):e===ql.DPR?va(1):xn(Yl.div(Kl)),this._output=r,r}generate(e){if(this.scope===ql.COORDINATE){let t=e.getFragCoord();if(e.isFlipY()){const r=e.getNodeProperties(Kl).outputNode.build(e);t=`${e.getType("vec2")}( ${t}.x, ${r}.y - ${t}.y )`}return t}return super.generate(e)}}ql.COORDINATE="coordinate",ql.VIEWPORT="viewport",ql.SIZE="size",ql.UV="uv",ql.DPR="dpr";const jl=nn(ql,ql.DPR),Xl=nn(ql,ql.UV),Kl=nn(ql,ql.SIZE),Yl=nn(ql,ql.COORDINATE),Ql=nn(ql,ql.VIEWPORT),Zl=Ql.zw,Jl=Yl.sub(Ql.xy),ed=Jl.div(Zl),td=ln(()=>(d('TSL: "viewportResolution" is deprecated. Use "screenSize" instead.',new Ds),Kl),"vec2").once()();let rd=null,sd=null,id=null,nd=null,ad=null,od=null,ud=null,ld=null,dd=null,cd=null,hd=null,pd=null,gd=null,md=null;const fd=va(0,"uint").setName("u_cameraIndex").setGroup(ya("cameraIndex")).toVarying("v_cameraIndex"),yd=va("float").setName("cameraNear").setGroup(xa).onRenderUpdate(({camera:e})=>e.near),bd=va("float").setName("cameraFar").setGroup(xa).onRenderUpdate(({camera:e})=>e.far),xd=ln(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrix);null===sd?sd=Gl(r).setGroup(xa).setName("cameraProjectionMatrices"):sd.array=r,t=sd.element(e.isMultiViewCamera?$l("gl_ViewID_OVR"):fd).toConst("cameraProjectionMatrix")}else null===rd&&(rd=va(e.projectionMatrix).setName("cameraProjectionMatrix").setGroup(xa).onRenderUpdate(({camera:e})=>e.projectionMatrix)),t=rd;return t}).once()(),Td=ln(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrixInverse);null===nd?nd=Gl(r).setGroup(xa).setName("cameraProjectionMatricesInverse"):nd.array=r,t=nd.element(e.isMultiViewCamera?$l("gl_ViewID_OVR"):fd).toConst("cameraProjectionMatrixInverse")}else null===id&&(id=va(e.projectionMatrixInverse).setName("cameraProjectionMatrixInverse").setGroup(xa).onRenderUpdate(({camera:e})=>e.projectionMatrixInverse)),t=id;return t}).once()(),_d=ln(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorldInverse);null===od?od=Gl(r).setGroup(xa).setName("cameraViewMatrices"):od.array=r,t=od.element(e.isMultiViewCamera?$l("gl_ViewID_OVR"):fd).toConst("cameraViewMatrix")}else null===ad&&(ad=va(e.matrixWorldInverse).setName("cameraViewMatrix").setGroup(xa).onRenderUpdate(({camera:e})=>e.matrixWorldInverse)),t=ad;return t}).once()(),vd=ln(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorld);null===ld?ld=Gl(r).setGroup(xa).setName("cameraWorldMatrices"):ld.array=r,t=ld.element(e.isMultiViewCamera?$l("gl_ViewID_OVR"):fd).toConst("cameraWorldMatrix")}else null===ud&&(ud=va(e.matrixWorld).setName("cameraWorldMatrix").setGroup(xa).onRenderUpdate(({camera:e})=>e.matrixWorld)),t=ud;return t}).once()(),Nd=ln(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.normalMatrix);null===cd?cd=Gl(r).setGroup(xa).setName("cameraNormalMatrices"):cd.array=r,t=cd.element(e.isMultiViewCamera?$l("gl_ViewID_OVR"):fd).toConst("cameraNormalMatrix")}else null===dd&&(dd=va(e.normalMatrix).setName("cameraNormalMatrix").setGroup(xa).onRenderUpdate(({camera:e})=>e.normalMatrix)),t=dd;return t}).once()(),Sd=ln(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const s=[];for(let t=0,i=e.cameras.length;t<i;t++)s.push(new r);null===pd?pd=Gl(s).setGroup(xa).setName("cameraPositions").onRenderUpdate(({camera:e},t)=>{const r=e.cameras,s=t.array;for(let e=0,t=r.length;e<t;e++)s[e].setFromMatrixPosition(r[e].matrixWorld)}):pd.array=s,t=pd.element(e.isMultiViewCamera?$l("gl_ViewID_OVR"):fd).toConst("cameraPosition")}else null===hd&&(hd=va(new r).setName("cameraPosition").setGroup(xa).onRenderUpdate(({camera:e},t)=>t.value.setFromMatrixPosition(e.matrixWorld))),t=hd;return t}).once()(),Rd=ln(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.viewport);null===md?md=Gl(r,"vec4").setGroup(xa).setName("cameraViewports"):md.array=r,t=md.element(fd).toConst("cameraViewport")}else null===gd&&(gd=An(0,0,Kl.x,Kl.y).toConst("cameraViewport")),t=gd;return t}).once()(),Ed=new C;class Ad extends li{static get type(){return"Object3DNode"}constructor(e,t=null){super(),this.scope=e,this.object3d=t,this.updateType=ei.OBJECT,this.uniformNode=new _a(null)}getNodeType(){const e=this.scope;return e===Ad.WORLD_MATRIX?"mat4":e===Ad.POSITION||e===Ad.VIEW_POSITION||e===Ad.DIRECTION||e===Ad.SCALE?"vec3":e===Ad.RADIUS?"float":void 0}update(e){const t=this.object3d,s=this.uniformNode,i=this.scope;if(i===Ad.WORLD_MATRIX)s.value=t.matrixWorld;else if(i===Ad.POSITION)s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld);else if(i===Ad.SCALE)s.value=s.value||new r,s.value.setFromMatrixScale(t.matrixWorld);else if(i===Ad.DIRECTION)s.value=s.value||new r,t.getWorldDirection(s.value);else if(i===Ad.VIEW_POSITION){const i=e.camera;s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld),s.value.applyMatrix4(i.matrixWorldInverse)}else if(i===Ad.RADIUS){const r=e.object.geometry;null===r.boundingSphere&&r.computeBoundingSphere(),Ed.copy(r.boundingSphere).applyMatrix4(t.matrixWorld),s.value=Ed.radius}}generate(e){const t=this.scope;return t===Ad.WORLD_MATRIX?this.uniformNode.nodeType="mat4":t===Ad.POSITION||t===Ad.VIEW_POSITION||t===Ad.DIRECTION||t===Ad.SCALE?this.uniformNode.nodeType="vec3":t===Ad.RADIUS&&(this.uniformNode.nodeType="float"),this.uniformNode.build(e)}serialize(e){super.serialize(e),e.scope=this.scope}deserialize(e){super.deserialize(e),this.scope=e.scope}}Ad.WORLD_MATRIX="worldMatrix",Ad.POSITION="position",Ad.SCALE="scale",Ad.VIEW_POSITION="viewPosition",Ad.DIRECTION="direction",Ad.RADIUS="radius";const wd=sn(Ad,Ad.DIRECTION).setParameterLength(1),Cd=sn(Ad,Ad.WORLD_MATRIX).setParameterLength(1),Md=sn(Ad,Ad.POSITION).setParameterLength(1),Bd=sn(Ad,Ad.SCALE).setParameterLength(1),Fd=sn(Ad,Ad.VIEW_POSITION).setParameterLength(1),Ld=sn(Ad,Ad.RADIUS).setParameterLength(1);class Pd extends Ad{static get type(){return"ModelNode"}constructor(e){super(e)}update(e){this.object3d=e.object,super.update(e)}}const Dd=nn(Pd,Pd.DIRECTION),Ud=nn(Pd,Pd.WORLD_MATRIX),Id=nn(Pd,Pd.POSITION),Od=nn(Pd,Pd.SCALE),Vd=nn(Pd,Pd.VIEW_POSITION),kd=nn(Pd,Pd.RADIUS),Gd=va(new n).onObjectUpdate(({object:e},t)=>t.value.getNormalMatrix(e.matrixWorld)),zd=va(new a).onObjectUpdate(({object:e},t)=>t.value.copy(e.matrixWorld).invert()),$d=ln(e=>e.context.modelViewMatrix||Wd).once()().toVar("modelViewMatrix"),Wd=_d.mul(Ud),Hd=ln(e=>(e.context.isHighPrecisionModelViewMatrix=!0,va("mat4").onObjectUpdate(({object:e,camera:t})=>e.modelViewMatrix.multiplyMatrices(t.matrixWorldInverse,e.matrixWorld)))).once()().toVar("highpModelViewMatrix"),qd=ln(e=>{const t=e.context.isHighPrecisionModelViewMatrix;return va("mat3").onObjectUpdate(({object:e,camera:r})=>(!0!==t&&e.modelViewMatrix.multiplyMatrices(r.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix)))}).once()().toVar("highpModelNormalViewMatrix"),jd=ln(e=>"fragment"!==e.shaderStage?(v("TSL: `clipSpace` is only available in fragment stage."),An()):e.context.clipSpace.toVarying("v_clipSpace")).once()(),Xd=Rl("position","vec3"),Kd=Xd.toVarying("positionLocal"),Yd=Xd.toVarying("positionPrevious"),Qd=ln(e=>Ud.mul(Kd).xyz.toVarying(e.getSubBuildProperty("v_positionWorld")),"vec3").once(["POSITION"])(),Zd=ln(()=>Kd.transformDirection(Ud).toVarying("v_positionWorldDirection").normalize().toVar("positionWorldDirection"),"vec3").once(["POSITION"])(),Jd=ln(e=>{if("fragment"===e.shaderStage&&e.material.vertexNode){const e=Td.mul(jd);return e.xyz.div(e.w).toVar("positionView")}return e.context.setupPositionView().toVarying("v_positionView")},"vec3").once(["POSITION","VERTEX"])(),ec=ln(e=>{let t;return t=e.camera.isOrthographicCamera?Nn(0,0,1):Jd.negate().toVarying("v_positionViewDirection").normalize(),t.toVar("positionViewDirection")},"vec3").once(["POSITION"])();class tc extends li{static get type(){return"FrontFacingNode"}constructor(){super("bool"),this.isFrontFacingNode=!0}generate(e){if("fragment"!==e.shaderStage)return"true";const{material:t}=e;return t.side===M?"false":e.getFrontFacing()}}const rc=nn(tc),sc=mn(rc).mul(2).sub(1),ic=ln(([e],{material:t})=>{const r=t.side;return r===M?e=e.mul(-1):r===B&&(e=e.mul(sc)),e}),nc=Rl("normal","vec3"),ac=ln(e=>!1===e.geometry.hasAttribute("normal")?(d('TSL: Vertex attribute "normal" not found on geometry.'),Nn(0,1,0)):nc,"vec3").once()().toVar("normalLocal"),oc=Jd.dFdx().cross(Jd.dFdy()).normalize().toVar("normalFlat"),uc=ln(e=>{let t;return t=e.isFlatShading()?oc:gc(ac).toVarying("v_normalViewGeometry").normalize(),t},"vec3").once()().toVar("normalViewGeometry"),lc=ln(e=>{let t=uc.transformDirection(_d);return!0!==e.isFlatShading()&&(t=t.toVarying("v_normalWorldGeometry")),t.normalize().toVar("normalWorldGeometry")},"vec3").once()(),dc=ln(e=>{let t;return"NORMAL"===e.subBuildFn||"VERTEX"===e.subBuildFn?(t=uc,!0!==e.isFlatShading()&&(t=ic(t))):t=e.context.setupNormal().context({getUV:null,getTextureLevel:null}),t},"vec3").once(["NORMAL","VERTEX"])().toVar("normalView"),cc=dc.transformDirection(_d).toVar("normalWorld"),hc=ln(({subBuildFn:e,context:t})=>{let r;return r="NORMAL"===e||"VERTEX"===e?dc:t.setupClearcoatNormal().context({getUV:null,getTextureLevel:null}),r},"vec3").once(["NORMAL","VERTEX"])().toVar("clearcoatNormalView"),pc=ln(([e,t=Ud])=>{const r=Fn(t),s=e.div(Nn(r[0].dot(r[0]),r[1].dot(r[1]),r[2].dot(r[2])));return r.mul(s).xyz}),gc=ln(([e],t)=>{const r=t.context.modelNormalViewMatrix;if(r)return r.transformDirection(e);const s=Gd.mul(e);return _d.transformDirection(s)}),mc=ln(()=>(d('TSL: "transformedNormalView" is deprecated. Use "normalView" instead.'),dc)).once(["NORMAL","VERTEX"])(),fc=ln(()=>(d('TSL: "transformedNormalWorld" is deprecated. Use "normalWorld" instead.'),cc)).once(["NORMAL","VERTEX"])(),yc=ln(()=>(d('TSL: "transformedClearcoatNormalView" is deprecated. Use "clearcoatNormalView" instead.'),hc)).once(["NORMAL","VERTEX"])(),bc=new F,xc=new a,Tc=va(0).onReference(({material:e})=>e).onObjectUpdate(({material:e})=>e.refractionRatio),_c=va(1).onReference(({material:e})=>e).onObjectUpdate(function({material:e,scene:t}){return e.envMap?e.envMapIntensity:t.environmentIntensity}),vc=va(new a).onReference(function(e){return e.material}).onObjectUpdate(function({material:e,scene:t}){const r=null!==t.environment&&null===e.envMap?t.environmentRotation:e.envMapRotation;return r?(bc.copy(r),xc.makeRotationFromEuler(bc)):xc.identity(),xc}),Nc=ec.negate().reflect(dc),Sc=ec.negate().refract(dc,Tc),Rc=Nc.transformDirection(_d).toVar("reflectVector"),Ec=Sc.transformDirection(_d).toVar("reflectVector"),Ac=new L;class wc extends Ll{static get type(){return"CubeTextureNode"}constructor(e,t=null,r=null,s=null){super(e,t,r,s),this.isCubeTextureNode=!0}getInputType(){return!0===this.value.isDepthTexture?"cubeDepthTexture":"cubeTexture"}getDefaultUV(){const e=this.value;return e.mapping===P?Rc:e.mapping===D?Ec:(o('CubeTextureNode: Mapping "%s" not supported.',e.mapping),Nn(0,0,0))}setUpdateMatrix(){}setupUV(e,t){const r=this.value;return!0===r.isDepthTexture?e.renderer.coordinateSystem===h?Nn(t.x,t.y.negate(),t.z):t:(e.renderer.coordinateSystem!==h&&r.isRenderTargetTexture||(t=Nn(t.x.negate(),t.yz)),vc.mul(t))}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}}const Cc=sn(wc).setParameterLength(1,4).setName("cubeTexture"),Mc=(e=Ac,t=null,r=null,s=null)=>{let i;return e&&!0===e.isCubeTextureNode?(i=Ji(e.clone()),i.referenceNode=e,null!==t&&(i.uvNode=Ji(t)),null!==r&&(i.levelNode=Ji(r)),null!==s&&(i.biasNode=Ji(s))):i=Cc(e,t,r,s),i};class Bc extends di{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}getNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,r,s)}}class Fc extends li{static get type(){return"ReferenceNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.name=null,this.updateType=ei.OBJECT}element(e){return new Bc(this,Ji(e))}setGroup(e){return this.group=e,this}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.'),this.setName(e)}setNodeType(e){let t=null;t=null!==this.count?Ol(null,e,this.count):Array.isArray(this.getValueFromReference())?Gl(null,e):"texture"===e?Dl(null):"cubeTexture"===e?Mc(null):va(null,e),null!==this.group&&t.setGroup(this.group),null!==this.name&&t.setName(this.name),this.node=t}getNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}const Lc=(e,t,r)=>new Fc(e,t,r),Pc=(e,t,r,s)=>new Fc(e,t,s,r);class Dc extends Fc{static get type(){return"MaterialReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.material=r,this.isMaterialReferenceNode=!0}updateReference(e){return this.reference=null!==this.material?this.material:e.material,this.reference}}const Uc=(e,t,r=null)=>new Dc(e,t,r),Ic=El(),Oc=Jd.dFdx(),Vc=Jd.dFdy(),kc=Ic.dFdx(),Gc=Ic.dFdy(),zc=dc,$c=Vc.cross(zc),Wc=zc.cross(Oc),Hc=$c.mul(kc.x).add(Wc.mul(Gc.x)),qc=$c.mul(kc.y).add(Wc.mul(Gc.y)),jc=Hc.dot(Hc).max(qc.dot(qc)),Xc=jc.equal(0).select(0,jc.inverseSqrt()),Kc=Hc.mul(Xc).toVar("tangentViewFrame"),Yc=qc.mul(Xc).toVar("bitangentViewFrame"),Qc=Rl("tangent","vec4"),Zc=Qc.xyz.toVar("tangentLocal"),Jc=ln(e=>{let t;return t="VERTEX"===e.subBuildFn||e.geometry.hasAttribute("tangent")?$d.mul(An(Zc,0)).xyz.toVarying("v_tangentView").normalize():Kc,!0!==e.isFlatShading()&&(t=ic(t)),t},"vec3").once(["NORMAL","VERTEX"])().toVar("tangentView"),eh=Jc.transformDirection(_d).toVarying("v_tangentWorld").normalize().toVar("tangentWorld"),th=ln(([e,t],r)=>{let s=e.mul(Qc.w).xyz;return"NORMAL"===r.subBuildFn&&!0!==r.isFlatShading()&&(s=s.toVarying(t)),s}).once(["NORMAL"]),rh=th(nc.cross(Qc),"v_bitangentGeometry").normalize().toVar("bitangentGeometry"),sh=th(ac.cross(Zc),"v_bitangentLocal").normalize().toVar("bitangentLocal"),ih=ln(e=>{let t;return t="VERTEX"===e.subBuildFn||e.geometry.hasAttribute("tangent")?th(dc.cross(Jc),"v_bitangentView").normalize():Yc,!0!==e.isFlatShading()&&(t=ic(t)),t},"vec3").once(["NORMAL","VERTEX"])().toVar("bitangentView"),nh=th(cc.cross(eh),"v_bitangentWorld").normalize().toVar("bitangentWorld"),ah=Fn(Jc,ih,dc).toVar("TBNViewMatrix"),oh=ec.mul(ah),uh=ln(()=>{let e=ea.cross(ec);return e=e.cross(ea).normalize(),e=au(e,dc,Zn.mul(zn.oneMinus()).oneMinus().pow2().pow2()).normalize(),e}).once()(),lh=e=>Ji(e).mul(.5).add(.5),dh=e=>Nn(e,xo(uu(mn(1).sub(Qo(e,e)))));class ch extends hi{static get type(){return"NormalMapNode"}constructor(e,t=null){super("vec3"),this.node=e,this.scaleNode=t,this.normalMapType=U,this.unpackNormalMode=I}setup(e){const{normalMapType:t,scaleNode:r,unpackNormalMode:s}=this;let i=this.node.mul(2).sub(1);if(t===U?s===O?i=dh(i.xy):s===V?i=dh(i.yw):s!==I&&console.error(`THREE.NodeMaterial: Unexpected unpack normal mode: ${s}`):s!==I&&console.error(`THREE.NodeMaterial: Normal map type '${t}' is not compatible with unpack normal mode '${s}'`),null!==r){let t=r;!0===e.isFlatShading()&&(t=ic(t)),i=Nn(i.xy.mul(t),i.z)}let n=null;return t===k?n=gc(i):t===U?n=ah.mul(i).normalize():(o(`NodeMaterial: Unsupported normal map type: ${t}`),n=dc),n}}const hh=sn(ch).setParameterLength(1,2),ph=ln(({textureNode:e,bumpScale:t})=>{const r=t=>e.isolate().context({getUV:e=>t(e.uvNode||El()),forceUVContext:!0}),s=mn(r(e=>e));return xn(mn(r(e=>e.add(e.dFdx()))).sub(s),mn(r(e=>e.add(e.dFdy()))).sub(s)).mul(t)}),gh=ln(e=>{const{surf_pos:t,surf_norm:r,dHdxy:s}=e,i=t.dFdx().normalize(),n=r,a=t.dFdy().normalize().cross(n),o=n.cross(i),u=i.dot(a).mul(sc),l=u.sign().mul(s.x.mul(a).add(s.y.mul(o)));return u.abs().mul(r).sub(l).normalize()});class mh extends hi{static get type(){return"BumpMapNode"}constructor(e,t=null){super("vec3"),this.textureNode=e,this.scaleNode=t}setup(){const e=null!==this.scaleNode?this.scaleNode:1,t=ph({textureNode:this.textureNode,bumpScale:e});return gh({surf_pos:Jd,surf_norm:dc,dHdxy:t})}}const fh=sn(mh).setParameterLength(1,2),yh=new Map;class bh extends li{static get type(){return"MaterialNode"}constructor(e){super(),this.scope=e}getCache(e,t){let r=yh.get(e);return void 0===r&&(r=Uc(e,t),yh.set(e,r)),r}getFloat(e){return this.getCache(e,"float")}getColor(e){return this.getCache(e,"color")}getTexture(e){return this.getCache("map"===e?"map":e+"Map","texture")}setup(e){const t=e.context.material,r=this.scope;let s=null;if(r===bh.COLOR){const e=void 0!==t.color?this.getColor(r):Nn();s=t.map&&!0===t.map.isTexture?e.mul(this.getTexture("map")):e}else if(r===bh.OPACITY){const e=this.getFloat(r);s=t.alphaMap&&!0===t.alphaMap.isTexture?e.mul(this.getTexture("alpha")):e}else if(r===bh.SPECULAR_STRENGTH)s=t.specularMap&&!0===t.specularMap.isTexture?this.getTexture("specular").r:mn(1);else if(r===bh.SPECULAR_INTENSITY){const e=this.getFloat(r);s=t.specularIntensityMap&&!0===t.specularIntensityMap.isTexture?e.mul(this.getTexture(r).a):e}else if(r===bh.SPECULAR_COLOR){const e=this.getColor(r);s=t.specularColorMap&&!0===t.specularColorMap.isTexture?e.mul(this.getTexture(r).rgb):e}else if(r===bh.ROUGHNESS){const e=this.getFloat(r);s=t.roughnessMap&&!0===t.roughnessMap.isTexture?e.mul(this.getTexture(r).g):e}else if(r===bh.METALNESS){const e=this.getFloat(r);s=t.metalnessMap&&!0===t.metalnessMap.isTexture?e.mul(this.getTexture(r).b):e}else if(r===bh.EMISSIVE){const e=this.getFloat("emissiveIntensity"),i=this.getColor(r).mul(e);s=t.emissiveMap&&!0===t.emissiveMap.isTexture?i.mul(this.getTexture(r)):i}else if(r===bh.NORMAL)t.normalMap?(s=hh(this.getTexture("normal"),this.getCache("normalScale","vec2")),s.normalMapType=t.normalMapType,t.normalMap.format!=G&&t.normalMap.format!=z&&t.normalMap.format!=$||(s.unpackNormalMode=O)):s=t.bumpMap?fh(this.getTexture("bump").r,this.getFloat("bumpScale")):dc;else if(r===bh.CLEARCOAT){const e=this.getFloat(r);s=t.clearcoatMap&&!0===t.clearcoatMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===bh.CLEARCOAT_ROUGHNESS){const e=this.getFloat(r);s=t.clearcoatRoughnessMap&&!0===t.clearcoatRoughnessMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===bh.CLEARCOAT_NORMAL)s=t.clearcoatNormalMap?hh(this.getTexture(r),this.getCache(r+"Scale","vec2")):dc;else if(r===bh.SHEEN){const e=this.getColor("sheenColor").mul(this.getFloat("sheen"));s=t.sheenColorMap&&!0===t.sheenColorMap.isTexture?e.mul(this.getTexture("sheenColor").rgb):e}else if(r===bh.SHEEN_ROUGHNESS){const e=this.getFloat(r);s=t.sheenRoughnessMap&&!0===t.sheenRoughnessMap.isTexture?e.mul(this.getTexture(r).a):e,s=s.clamp(1e-4,1)}else if(r===bh.ANISOTROPY)if(t.anisotropyMap&&!0===t.anisotropyMap.isTexture){const e=this.getTexture(r);s=Bn(rp.x,rp.y,rp.y.negate(),rp.x).mul(e.rg.mul(2).sub(xn(1)).normalize().mul(e.b))}else s=rp;else if(r===bh.IRIDESCENCE_THICKNESS){const e=Lc("1","float",t.iridescenceThicknessRange);if(t.iridescenceThicknessMap){const i=Lc("0","float",t.iridescenceThicknessRange);s=e.sub(i).mul(this.getTexture(r).g).add(i)}else s=e}else if(r===bh.TRANSMISSION){const e=this.getFloat(r);s=t.transmissionMap?e.mul(this.getTexture(r).r):e}else if(r===bh.THICKNESS){const e=this.getFloat(r);s=t.thicknessMap?e.mul(this.getTexture(r).g):e}else if(r===bh.IOR)s=this.getFloat(r);else if(r===bh.LIGHT_MAP)s=this.getTexture(r).rgb.mul(this.getFloat("lightMapIntensity"));else if(r===bh.AO)s=this.getTexture(r).r.sub(1).mul(this.getFloat("aoMapIntensity")).add(1);else if(r===bh.LINE_DASH_OFFSET)s=t.dashOffset?this.getFloat(r):mn(0);else{const t=this.getNodeType(e);s=this.getCache(r,t)}return s}}bh.ALPHA_TEST="alphaTest",bh.COLOR="color",bh.OPACITY="opacity",bh.SHININESS="shininess",bh.SPECULAR="specular",bh.SPECULAR_STRENGTH="specularStrength",bh.SPECULAR_INTENSITY="specularIntensity",bh.SPECULAR_COLOR="specularColor",bh.REFLECTIVITY="reflectivity",bh.ROUGHNESS="roughness",bh.METALNESS="metalness",bh.NORMAL="normal",bh.CLEARCOAT="clearcoat",bh.CLEARCOAT_ROUGHNESS="clearcoatRoughness",bh.CLEARCOAT_NORMAL="clearcoatNormal",bh.EMISSIVE="emissive",bh.ROTATION="rotation",bh.SHEEN="sheen",bh.SHEEN_ROUGHNESS="sheenRoughness",bh.ANISOTROPY="anisotropy",bh.IRIDESCENCE="iridescence",bh.IRIDESCENCE_IOR="iridescenceIOR",bh.IRIDESCENCE_THICKNESS="iridescenceThickness",bh.IOR="ior",bh.TRANSMISSION="transmission",bh.THICKNESS="thickness",bh.ATTENUATION_DISTANCE="attenuationDistance",bh.ATTENUATION_COLOR="attenuationColor",bh.LINE_SCALE="scale",bh.LINE_DASH_SIZE="dashSize",bh.LINE_GAP_SIZE="gapSize",bh.LINE_WIDTH="linewidth",bh.LINE_DASH_OFFSET="dashOffset",bh.POINT_SIZE="size",bh.DISPERSION="dispersion",bh.LIGHT_MAP="light",bh.AO="ao";const xh=nn(bh,bh.ALPHA_TEST),Th=nn(bh,bh.COLOR),_h=nn(bh,bh.SHININESS),vh=nn(bh,bh.EMISSIVE),Nh=nn(bh,bh.OPACITY),Sh=nn(bh,bh.SPECULAR),Rh=nn(bh,bh.SPECULAR_INTENSITY),Eh=nn(bh,bh.SPECULAR_COLOR),Ah=nn(bh,bh.SPECULAR_STRENGTH),wh=nn(bh,bh.REFLECTIVITY),Ch=nn(bh,bh.ROUGHNESS),Mh=nn(bh,bh.METALNESS),Bh=nn(bh,bh.NORMAL),Fh=nn(bh,bh.CLEARCOAT),Lh=nn(bh,bh.CLEARCOAT_ROUGHNESS),Ph=nn(bh,bh.CLEARCOAT_NORMAL),Dh=nn(bh,bh.ROTATION),Uh=nn(bh,bh.SHEEN),Ih=nn(bh,bh.SHEEN_ROUGHNESS),Oh=nn(bh,bh.ANISOTROPY),Vh=nn(bh,bh.IRIDESCENCE),kh=nn(bh,bh.IRIDESCENCE_IOR),Gh=nn(bh,bh.IRIDESCENCE_THICKNESS),zh=nn(bh,bh.TRANSMISSION),$h=nn(bh,bh.THICKNESS),Wh=nn(bh,bh.IOR),Hh=nn(bh,bh.ATTENUATION_DISTANCE),qh=nn(bh,bh.ATTENUATION_COLOR),jh=nn(bh,bh.LINE_SCALE),Xh=nn(bh,bh.LINE_DASH_SIZE),Kh=nn(bh,bh.LINE_GAP_SIZE),Yh=nn(bh,bh.LINE_WIDTH),Qh=nn(bh,bh.LINE_DASH_OFFSET),Zh=nn(bh,bh.POINT_SIZE),Jh=nn(bh,bh.DISPERSION),ep=nn(bh,bh.LIGHT_MAP),tp=nn(bh,bh.AO),rp=va(new t).onReference(function(e){return e.material}).onRenderUpdate(function({material:e}){this.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation))}),sp=ln(e=>e.context.setupModelViewProjection(),"vec4").once()().toVarying("v_modelViewProjection");class ip extends di{static get type(){return"StorageArrayElementNode"}constructor(e,t){super(e,t),this.isStorageArrayElementNode=!0}set storageBufferNode(e){this.node=e}get storageBufferNode(){return this.node}getMemberType(e,t){const r=this.storageBufferNode.structTypeNode;return r?r.getMemberType(e,t):"void"}setup(e){return!1===e.isAvailable("storageBuffer")&&!0===this.node.isPBO&&e.setupPBO(this.node),super.setup(e)}generate(e,t){let r;const s=e.context.assign;if(r=!1===e.isAvailable("storageBuffer")?!0!==this.node.isPBO||!0===s||!this.node.value.isInstancedBufferAttribute&&"compute"===e.shaderStage?this.node.build(e):e.generatePBO(this):super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}const np=sn(ip).setParameterLength(2);class ap extends Il{static get type(){return"StorageBufferNode"}constructor(e,t=null,r=0){let s,i=null;t&&t.isStruct?(s="struct",i=t.layout,(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(r=e.count)):null===t&&(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)?(s=zs(e.itemSize),r=e.count):s=t,super(e,s,r),this.isStorageBufferNode=!0,this.structTypeNode=i,this.access=ri.READ_WRITE,this.isAtomic=!1,this.isPBO=!1,this._attribute=null,this._varying=null,this.global=!0,!0!==e.isStorageBufferAttribute&&!0!==e.isStorageInstancedBufferAttribute&&(e.isInstancedBufferAttribute?e.isStorageInstancedBufferAttribute=!0:e.isStorageBufferAttribute=!0)}getHash(e){if(0===this.bufferCount){let t=e.globalCache.getData(this.value);return void 0===t&&(t={node:this},e.globalCache.setData(this.value,t)),t.node.uuid}return this.uuid}getInputType(){return this.value.isIndirectStorageBufferAttribute?"indirectStorageBuffer":"storageBuffer"}element(e){return np(this,e)}setPBO(e){return this.isPBO=e,this}getPBO(){return this.isPBO}setAccess(e){return this.access=e,this}toReadOnly(){return this.setAccess(ri.READ_ONLY)}setAtomic(e){return this.isAtomic=e,this}toAtomic(){return this.setAtomic(!0)}getAttributeData(){return null===this._attribute&&(this._attribute=el(this.value),this._varying=Du(this._attribute)),{attribute:this._attribute,varying:this._varying}}getNodeType(e){if(null!==this.structTypeNode)return this.structTypeNode.getNodeType(e);if(e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.getNodeType(e);const{attribute:t}=this.getAttributeData();return t.getNodeType(e)}getMemberType(e,t){return null!==this.structTypeNode?this.structTypeNode.getMemberType(e,t):"void"}generate(e){if(null!==this.structTypeNode&&this.structTypeNode.build(e),e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.generate(e);const{attribute:t,varying:r}=this.getAttributeData(),s=r.build(e);return e.registerTransform(s,t),s}}const op=(e,t=null,r=0)=>new ap(e,t,r);class up extends li{static get type(){return"IndexNode"}constructor(e){super("uint"),this.scope=e,this.isIndexNode=!0}generate(e){const t=this.getNodeType(e),r=this.scope;let s,i;if(r===up.VERTEX)s=e.getVertexIndex();else if(r===up.INSTANCE)s=e.getInstanceIndex();else if(r===up.DRAW)s=e.getDrawIndex();else if(r===up.INVOCATION_LOCAL)s=e.getInvocationLocalIndex();else if(r===up.INVOCATION_SUBGROUP)s=e.getInvocationSubgroupIndex();else{if(r!==up.SUBGROUP)throw new Error("THREE.IndexNode: Unknown scope: "+r);s=e.getSubgroupIndex()}if("vertex"===e.shaderStage||"compute"===e.shaderStage)i=s;else{i=Du(this).build(e,t)}return i}}up.VERTEX="vertex",up.INSTANCE="instance",up.SUBGROUP="subgroup",up.INVOCATION_LOCAL="invocationLocal",up.INVOCATION_SUBGROUP="invocationSubgroup",up.DRAW="draw";const lp=nn(up,up.VERTEX),dp=nn(up,up.INSTANCE),cp=nn(up,up.SUBGROUP),hp=nn(up,up.INVOCATION_SUBGROUP),pp=nn(up,up.INVOCATION_LOCAL),gp=nn(up,up.DRAW);class mp extends li{static get type(){return"InstanceNode"}constructor(e,t,r=null){super("void"),this.count=e,this.instanceMatrix=t,this.instanceColor=r,this.instanceMatrixNode=null,this.instanceColorNode=null,this.updateType=ei.FRAME,this.buffer=null,this.bufferColor=null,this.previousInstanceMatrixNode=null}get isStorageMatrix(){const{instanceMatrix:e}=this;return e&&!0===e.isStorageInstancedBufferAttribute}get isStorageColor(){const{instanceColor:e}=this;return e&&!0===e.isStorageInstancedBufferAttribute}setup(e){let{instanceMatrixNode:t,instanceColorNode:r}=this;null===t&&(t=this._createInstanceMatrixNode(!0,e),this.instanceMatrixNode=t);const{instanceColor:s,isStorageColor:i}=this;if(s&&null===r){if(i)r=op(s,"vec3",Math.max(s.count,1)).element(dp);else{const e=new W(s.array,3),t=s.usage===x?rl:tl;this.bufferColor=e,r=Nn(t(e,"vec3",3,0))}this.instanceColorNode=r}const n=t.mul(Kd).xyz;if(Kd.assign(n),e.needsPreviousData()&&Yd.assign(this.getPreviousInstancedPosition(e)),e.hasGeometryAttribute("normal")){const e=pc(ac,t);ac.assign(e)}null!==this.instanceColorNode&&On("vec3","vInstanceColor").assign(this.instanceColorNode)}update(e){null!==this.buffer&&!0!==this.isStorageMatrix&&(this.buffer.clearUpdateRanges(),this.buffer.updateRanges.push(...this.instanceMatrix.updateRanges),this.instanceMatrix.version!==this.buffer.version&&(this.buffer.version=this.instanceMatrix.version)),this.instanceColor&&null!==this.bufferColor&&!0!==this.isStorageColor&&(this.bufferColor.clearUpdateRanges(),this.bufferColor.updateRanges.push(...this.instanceColor.updateRanges),this.instanceColor.version!==this.bufferColor.version&&(this.bufferColor.version=this.instanceColor.version)),null!==this.previousInstanceMatrixNode&&e.object.previousInstanceMatrix.array.set(this.instanceMatrix.array)}getPreviousInstancedPosition(e){const t=e.object;return null===this.previousInstanceMatrixNode&&(t.previousInstanceMatrix=this.instanceMatrix.clone(),this.previousInstanceMatrixNode=this._createInstanceMatrixNode(!1,e)),this.previousInstanceMatrixNode.mul(Yd).xyz}_createInstanceMatrixNode(e,t){let r;const{instanceMatrix:s}=this,{count:i}=s;if(this.isStorageMatrix)r=op(s,"mat4",Math.max(i,1)).element(dp);else{if(16*i*4<=t.getUniformBufferLimit())r=Ol(s.array,"mat4",Math.max(i,1)).element(dp);else{const t=new H(s.array,16,1);!0===e&&(this.buffer=t);const i=s.usage===x?rl:tl,n=[i(t,"vec4",16,0),i(t,"vec4",16,4),i(t,"vec4",16,8),i(t,"vec4",16,12)];r=Ln(...n)}}return r}}const fp=sn(mp).setParameterLength(2,3);class yp extends mp{static get type(){return"InstancedMeshNode"}constructor(e){const{count:t,instanceMatrix:r,instanceColor:s}=e;super(t,r,s),this.instancedMesh=e}}const bp=sn(yp).setParameterLength(1);class xp extends li{static get type(){return"BatchNode"}constructor(e){super("void"),this.batchMesh=e,this.batchingIdNode=null}setup(e){null===this.batchingIdNode&&(null===e.getDrawIndex()?this.batchingIdNode=dp:this.batchingIdNode=gp);const t=ln(([e])=>{const t=fn(wl(Ul(this.batchMesh._indirectTexture),0).x).toConst(),r=fn(e).mod(t).toConst(),s=fn(e).div(t).toConst();return Ul(this.batchMesh._indirectTexture,Tn(r,s)).x}).setLayout({name:"getIndirectIndex",type:"uint",inputs:[{name:"id",type:"int"}]}),r=t(fn(this.batchingIdNode)),s=this.batchMesh._matricesTexture,i=fn(wl(Ul(s),0).x).toConst(),n=mn(r).mul(4).toInt().toConst(),a=n.mod(i).toConst(),o=n.div(i).toConst(),u=Ln(Ul(s,Tn(a,o)),Ul(s,Tn(a.add(1),o)),Ul(s,Tn(a.add(2),o)),Ul(s,Tn(a.add(3),o))),l=this.batchMesh._colorsTexture;if(null!==l){const e=ln(([e])=>{const t=fn(wl(Ul(l),0).x).toConst(),r=e,s=r.mod(t).toConst(),i=r.div(t).toConst();return Ul(l,Tn(s,i)).rgb}).setLayout({name:"getBatchingColor",type:"vec3",inputs:[{name:"id",type:"int"}]}),t=e(r);On("vec3","vBatchColor").assign(t)}const d=Fn(u);Kd.assign(u.mul(Kd));const c=ac.div(Nn(d[0].dot(d[0]),d[1].dot(d[1]),d[2].dot(d[2]))),h=d.mul(c).xyz;ac.assign(h),e.hasGeometryAttribute("tangent")&&Zc.mulAssign(d)}}const Tp=sn(xp).setParameterLength(1),_p=new WeakMap;class vp extends li{static get type(){return"SkinningNode"}constructor(e){super("void"),this.skinnedMesh=e,this.updateType=ei.OBJECT,this.skinIndexNode=Rl("skinIndex","uvec4"),this.skinWeightNode=Rl("skinWeight","vec4"),this.bindMatrixNode=Lc("bindMatrix","mat4"),this.bindMatrixInverseNode=Lc("bindMatrixInverse","mat4"),this.boneMatricesNode=Pc("skeleton.boneMatrices","mat4",e.skeleton.bones.length),this.positionNode=Kd,this.toPositionNode=Kd,this.previousBoneMatricesNode=null}getSkinnedPosition(e=this.boneMatricesNode,t=this.positionNode){const{skinIndexNode:r,skinWeightNode:s,bindMatrixNode:i,bindMatrixInverseNode:n}=this,a=e.element(r.x),o=e.element(r.y),u=e.element(r.z),l=e.element(r.w),d=i.mul(t),c=Ba(a.mul(s.x).mul(d),o.mul(s.y).mul(d),u.mul(s.z).mul(d),l.mul(s.w).mul(d));return n.mul(c).xyz}getSkinnedNormalAndTangent(e=this.boneMatricesNode,t=ac,r=Zc){const{skinIndexNode:s,skinWeightNode:i,bindMatrixNode:n,bindMatrixInverseNode:a}=this,o=e.element(s.x),u=e.element(s.y),l=e.element(s.z),d=e.element(s.w);let c=Ba(i.x.mul(o),i.y.mul(u),i.z.mul(l),i.w.mul(d));c=a.mul(c).mul(n);return{skinNormal:c.transformDirection(t).xyz,skinTangent:c.transformDirection(r).xyz}}getPreviousSkinnedPosition(e){const t=e.object;return null===this.previousBoneMatricesNode&&(t.skeleton.previousBoneMatrices=new Float32Array(t.skeleton.boneMatrices),this.previousBoneMatricesNode=Pc("skeleton.previousBoneMatrices","mat4",t.skeleton.bones.length)),this.getSkinnedPosition(this.previousBoneMatricesNode,Yd)}setup(e){e.needsPreviousData()&&Yd.assign(this.getPreviousSkinnedPosition(e));const t=this.getSkinnedPosition();if(this.toPositionNode&&this.toPositionNode.assign(t),e.hasGeometryAttribute("normal")){const{skinNormal:t,skinTangent:r}=this.getSkinnedNormalAndTangent();ac.assign(t),e.hasGeometryAttribute("tangent")&&Zc.assign(r)}return t}generate(e,t){if("void"!==t)return super.generate(e,t)}update(e){const t=e.object&&e.object.skeleton?e.object.skeleton:this.skinnedMesh.skeleton;_p.get(t)!==e.frameId&&(_p.set(t,e.frameId),null!==this.previousBoneMatricesNode&&(null===t.previousBoneMatrices&&(t.previousBoneMatrices=new Float32Array(t.boneMatrices)),t.previousBoneMatrices.set(t.boneMatrices)),t.update())}}const Np=e=>new vp(e);class Sp extends li{static get type(){return"LoopNode"}constructor(e=[]){super("void"),this.params=e}getVarName(e){return String.fromCharCode("i".charCodeAt(0)+e)}getProperties(e){const t=e.getNodeProperties(this);if(void 0!==t.stackNode)return t;const r={};for(let e=0,t=this.params.length-1;e<t;e++){const t=this.params[e],s=!0!==t.isNode&&t.name||this.getVarName(e),i=!0!==t.isNode&&t.type||"int";r[s]=ml(s,i)}const s=e.addStack(),i=this.params[this.params.length-1](r);t.returnsNode=i.context({nodeLoop:i}),t.stackNode=s;const n=this.params[0];if(!0!==n.isNode&&"function"==typeof n.update){const e=ln(this.params[0].update)(r);t.updateNode=e.context({nodeLoop:e})}return e.removeStack(),t}setup(e){if(this.getProperties(e),e.fnCall){e.getDataFromNode(e.fnCall.shaderNode).hasLoop=!0}}generate(e){const t=this.getProperties(e),r=this.params,s=t.stackNode;for(let s=0,i=r.length-1;s<i;s++){const i=r[s];let n,a=!1,u=null,l=null,d=null,c=null,h=null,p=null;if(i.isNode?"bool"===i.getNodeType(e)?(a=!0,c="bool",l=i.build(e,c)):(c="int",d=this.getVarName(s),u="0",l=i.build(e,c),h="<"):(c=i.type||"int",d=i.name||this.getVarName(s),u=i.start,l=i.end,h=i.condition,p=i.update,"number"==typeof u?u=e.generateConst(c,u):u&&u.isNode&&(u=u.build(e,c)),"number"==typeof l?l=e.generateConst(c,l):l&&l.isNode&&(l=l.build(e,c)),void 0!==u&&void 0===l?(u+=" - 1",l="0",h=">="):void 0!==l&&void 0===u&&(u="0",h="<"),void 0===h&&(h=Number(u)>Number(l)?">=":"<")),a)n=`while ( ${l} )`;else{const r={start:u,end:l},s=r.start,i=r.end;let a;const g=()=>h.includes("<")?"+=":"-=";if(null!=p)switch(typeof p){case"function":a=e.flowStagesNode(t.updateNode,"void").code.replace(/\t|;/g,"");break;case"number":a=d+" "+g()+" "+e.generateConst(c,p);break;case"string":a=d+" "+p;break;default:p.isNode?a=d+" "+g()+" "+p.build(e):(o("TSL: 'Loop( { update: ... } )' is not a function, string or number.",this.stackTrace),a="break /* invalid update */")}else p="int"===c||"uint"===c?h.includes("<")?"++":"--":g()+" 1.",a=d+" "+p;n=`for ( ${e.getVar(c,d)+" = "+s}; ${d+" "+h+" "+i}; ${a} )`}e.addFlowCode((0===s?"\n":"")+e.tab+n+" {\n\n").addFlowTab()}const i=s.build(e,"void");t.returnsNode.build(e,"void"),e.removeFlowTab().addFlowCode("\n"+e.tab+i);for(let t=0,r=this.params.length-1;t<r;t++)e.addFlowCode((0===t?"":e.tab)+"}\n\n").removeFlowTab();e.addFlowTab()}}const Rp=(...e)=>new Sp(rn(e,"int")).toStack(),Ep=()=>ml("break").toStack(),Ap=new WeakMap,wp=new s,Cp=ln(({bufferMap:e,influence:t,stride:r,width:s,depth:i,offset:n})=>{const a=fn(lp).mul(r).add(n),o=a.div(s),u=a.sub(o.mul(s));return Ul(e,Tn(u,o)).depth(i).xyz.mul(t)});class Mp extends li{static get type(){return"MorphNode"}constructor(e){super("void"),this.mesh=e,this.morphBaseInfluence=va(1),this.updateType=ei.OBJECT}setup(e){const{geometry:r}=e,s=void 0!==r.morphAttributes.position,i=r.hasAttribute("normal")&&void 0!==r.morphAttributes.normal,n=r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color,a=void 0!==n?n.length:0,{texture:o,stride:u,size:l}=function(e){const r=void 0!==e.morphAttributes.position,s=void 0!==e.morphAttributes.normal,i=void 0!==e.morphAttributes.color,n=e.morphAttributes.position||e.morphAttributes.normal||e.morphAttributes.color,a=void 0!==n?n.length:0;let o=Ap.get(e);if(void 0===o||o.count!==a){void 0!==o&&o.texture.dispose();const u=e.morphAttributes.position||[],l=e.morphAttributes.normal||[],d=e.morphAttributes.color||[];let c=0;!0===r&&(c=1),!0===s&&(c=2),!0===i&&(c=3);let h=e.attributes.position.count*c,p=1;const g=4096;h>g&&(p=Math.ceil(h/g),h=g);const m=new Float32Array(h*p*4*a),f=new q(m,h,p,a);f.type=j,f.needsUpdate=!0;const y=4*c;for(let x=0;x<a;x++){const T=u[x],_=l[x],v=d[x],N=h*p*4*x;for(let S=0;S<T.count;S++){const R=S*y;!0===r&&(wp.fromBufferAttribute(T,S),m[N+R+0]=wp.x,m[N+R+1]=wp.y,m[N+R+2]=wp.z,m[N+R+3]=0),!0===s&&(wp.fromBufferAttribute(_,S),m[N+R+4]=wp.x,m[N+R+5]=wp.y,m[N+R+6]=wp.z,m[N+R+7]=0),!0===i&&(wp.fromBufferAttribute(v,S),m[N+R+8]=wp.x,m[N+R+9]=wp.y,m[N+R+10]=wp.z,m[N+R+11]=4===v.itemSize?wp.w:1)}}function b(){f.dispose(),Ap.delete(e),e.removeEventListener("dispose",b)}o={count:a,texture:f,stride:c,size:new t(h,p)},Ap.set(e,o),e.addEventListener("dispose",b)}return o}(r);!0===s&&Kd.mulAssign(this.morphBaseInfluence),!0===i&&ac.mulAssign(this.morphBaseInfluence);const d=fn(l.width);Rp(a,({i:e})=>{const t=mn(0).toVar();this.mesh.count>1&&null!==this.mesh.morphTexture&&void 0!==this.mesh.morphTexture?t.assign(Ul(this.mesh.morphTexture,Tn(fn(e).add(1),fn(dp))).r):t.assign(Lc("morphTargetInfluences","float").element(e).toVar()),hn(t.notEqual(0),()=>{!0===s&&Kd.addAssign(Cp({bufferMap:o,influence:t,stride:u,width:d,depth:e,offset:fn(0)})),!0===i&&ac.addAssign(Cp({bufferMap:o,influence:t,stride:u,width:d,depth:e,offset:fn(1)}))})})}update(){const e=this.morphBaseInfluence;this.mesh.geometry.morphTargetsRelative?e.value=1:e.value=1-this.mesh.morphTargetInfluences.reduce((e,t)=>e+t,0)}}const Bp=sn(Mp).setParameterLength(1);class Fp extends li{static get type(){return"LightingNode"}constructor(){super("vec3"),this.isLightingNode=!0}}class Lp extends Fp{static get type(){return"AONode"}constructor(e=null){super(),this.aoNode=e}setup(e){e.context.ambientOcclusion.mulAssign(this.aoNode)}}class Pp extends Tu{static get type(){return"LightingContextNode"}constructor(e,t=null,r=null,s=null){super(e),this.lightingModel=t,this.backdropNode=r,this.backdropAlphaNode=s,this._value=null}getContext(){const{backdropNode:e,backdropAlphaNode:t}=this,r={directDiffuse:Nn().toVar("directDiffuse"),directSpecular:Nn().toVar("directSpecular"),indirectDiffuse:Nn().toVar("indirectDiffuse"),indirectSpecular:Nn().toVar("indirectSpecular")};return{radiance:Nn().toVar("radiance"),irradiance:Nn().toVar("irradiance"),iblIrradiance:Nn().toVar("iblIrradiance"),ambientOcclusion:mn(1).toVar("ambientOcclusion"),reflectedLight:r,backdrop:e,backdropAlpha:t}}setup(e){return this.value=this._value||(this._value=this.getContext()),this.value.lightingModel=this.lightingModel||e.context.lightingModel,super.setup(e)}}const Dp=sn(Pp);class Up extends Fp{static get type(){return"IrradianceNode"}constructor(e){super(),this.node=e}setup(e){e.context.irradiance.addAssign(this.node)}}const Ip=new t;class Op extends Ll{static get type(){return"ViewportTextureNode"}constructor(e=Xl,t=null,r=null){let s=null;null===r?(s=new X,s.minFilter=K,r=s):s=r,super(r,e,t),this.generateMipmaps=!1,this.defaultFramebuffer=s,this.isOutputTextureNode=!0,this.updateBeforeType=ei.RENDER,this._cacheTextures=new WeakMap}getTextureForReference(e=null){let t,r;if(this.referenceNode?(t=this.referenceNode.defaultFramebuffer,r=this.referenceNode._cacheTextures):(t=this.defaultFramebuffer,r=this._cacheTextures),null===e)return t;if(!1===r.has(e)){const s=t.clone();r.set(e,s)}return r.get(e)}updateReference(e){const t=e.renderer.getRenderTarget();return this.value=this.getTextureForReference(t),this.value}updateBefore(e){const t=e.renderer,r=t.getRenderTarget();null===r?t.getDrawingBufferSize(Ip):Ip.set(r.width,r.height);const s=this.getTextureForReference(r);s.image.width===Ip.width&&s.image.height===Ip.height||(s.image.width=Ip.width,s.image.height=Ip.height,s.needsUpdate=!0);const i=s.generateMipmaps;s.generateMipmaps=this.generateMipmaps,t.copyFramebufferToTexture(s),s.generateMipmaps=i}clone(){const e=new this.constructor(this.uvNode,this.levelNode,this.value);return e.generateMipmaps=this.generateMipmaps,e}}const Vp=sn(Op).setParameterLength(0,3),kp=sn(Op,null,null,{generateMipmaps:!0}).setParameterLength(0,3),Gp=kp(),zp=(e=Xl,t=null)=>Gp.sample(e,t);let $p=null;class Wp extends Op{static get type(){return"ViewportDepthTextureNode"}constructor(e=Xl,t=null){null===$p&&($p=new Y),super(e,t,$p)}getTextureForReference(){return $p}}const Hp=sn(Wp).setParameterLength(0,2);class qp extends li{static get type(){return"ViewportDepthNode"}constructor(e,t=null){super("float"),this.scope=e,this.valueNode=t,this.isViewportDepthNode=!0}generate(e){const{scope:t}=this;return t===qp.DEPTH_BASE?e.getFragDepth():super.generate(e)}setup({camera:e}){const{scope:t}=this,r=this.valueNode;let s=null;if(t===qp.DEPTH_BASE)null!==r&&(s=Zp().assign(r));else if(t===qp.DEPTH)s=e.isPerspectiveCamera?Xp(Jd.z,yd,bd):jp(Jd.z,yd,bd);else if(t===qp.LINEAR_DEPTH)if(null!==r)if(e.isPerspectiveCamera){const e=Yp(r,yd,bd);s=jp(e,yd,bd)}else s=r;else s=jp(Jd.z,yd,bd);return s}}qp.DEPTH_BASE="depthBase",qp.DEPTH="depth",qp.LINEAR_DEPTH="linearDepth";const jp=(e,t,r)=>e.add(t).div(t.sub(r)),Xp=(e,t,r)=>t.add(e).mul(r).div(r.sub(t).mul(e)),Kp=(e,t,r)=>t.mul(e.add(r)).div(e.mul(t.sub(r))),Yp=(e,t,r)=>t.mul(r).div(r.sub(t).mul(e).sub(r)),Qp=(e,t,r)=>{t=t.max(1e-6).toVar();const s=bo(e.negate().div(t)),i=bo(r.div(t));return s.div(i)},Zp=sn(qp,qp.DEPTH_BASE),Jp=nn(qp,qp.DEPTH),eg=sn(qp,qp.LINEAR_DEPTH).setParameterLength(0,1),tg=eg(Hp());Jp.assign=e=>Zp(e);class rg extends li{static get type(){return"ClippingNode"}constructor(e=rg.DEFAULT){super(),this.scope=e}setup(e){super.setup(e);const t=e.clippingContext,{intersectionPlanes:r,unionPlanes:s}=t;return this.hardwareClipping=e.material.hardwareClipping,this.scope===rg.ALPHA_TO_COVERAGE?this.setupAlphaToCoverage(r,s):this.scope===rg.HARDWARE?this.setupHardwareClipping(s,e):this.setupDefault(r,s)}setupAlphaToCoverage(e,t){return ln(()=>{const r=mn().toVar("distanceToPlane"),s=mn().toVar("distanceToGradient"),i=mn(1).toVar("clipOpacity"),n=t.length;if(!1===this.hardwareClipping&&n>0){const e=Gl(t).setGroup(xa);Rp(n,({i:t})=>{const n=e.element(t);r.assign(Jd.dot(n.xyz).negate().add(n.w)),s.assign(r.fwidth().div(2)),i.mulAssign(du(s.negate(),s,r))})}const a=e.length;if(a>0){const t=Gl(e).setGroup(xa),n=mn(1).toVar("intersectionClipOpacity");Rp(a,({i:e})=>{const i=t.element(e);r.assign(Jd.dot(i.xyz).negate().add(i.w)),s.assign(r.fwidth().div(2)),n.mulAssign(du(s.negate(),s,r).oneMinus())}),i.mulAssign(n.oneMinus())}Vn.a.mulAssign(i),Vn.a.equal(0).discard()})()}setupDefault(e,t){return ln(()=>{const r=t.length;if(!1===this.hardwareClipping&&r>0){const e=Gl(t).setGroup(xa);Rp(r,({i:t})=>{const r=e.element(t);Jd.dot(r.xyz).greaterThan(r.w).discard()})}const s=e.length;if(s>0){const t=Gl(e).setGroup(xa),r=bn(!0).toVar("clipped");Rp(s,({i:e})=>{const s=t.element(e);r.assign(Jd.dot(s.xyz).greaterThan(s.w).and(r))}),r.discard()}})()}setupHardwareClipping(e,t){const r=e.length;return t.enableHardwareClipping(r),ln(()=>{const s=Gl(e).setGroup(xa),i=$l(t.getClipDistance());Rp(r,({i:e})=>{const t=s.element(e),r=Jd.dot(t.xyz).sub(t.w).negate();i.element(e).assign(r)})})()}}rg.ALPHA_TO_COVERAGE="alphaToCoverage",rg.DEFAULT="default",rg.HARDWARE="hardware";const sg=ln(([e])=>So(La(1e4,Ro(La(17,e.x).add(La(.1,e.y)))).mul(Ba(.1,Bo(Ro(La(13,e.y).add(e.x))))))),ig=ln(([e])=>sg(xn(sg(e.xy),e.z))),ng=ln(([e])=>{const t=qo(Lo(Uo(e.xyz)),Lo(Io(e.xyz))),r=mn(1).div(mn(.05).mul(t)).toVar("pixScale"),s=xn(fo(_o(bo(r))),fo(vo(bo(r)))),i=xn(ig(_o(s.x.mul(e.xyz))),ig(_o(s.y.mul(e.xyz)))),n=So(bo(r)),a=Ba(La(n.oneMinus(),i.x),La(n,i.y)),o=Ho(n,n.oneMinus()),u=Nn(a.mul(a).div(La(2,o).mul(Fa(1,o))),a.sub(La(.5,o)).div(Fa(1,o)),Fa(1,Fa(1,a).mul(Fa(1,a)).div(La(2,o).mul(Fa(1,o))))),l=a.lessThan(o.oneMinus()).select(a.lessThan(o).select(u.x,u.y),u.z);return ou(l,1e-6,1)}).setLayout({name:"getAlphaHashThreshold",type:"float",inputs:[{name:"position",type:"vec3"}]});class ag extends Sl{static get type(){return"VertexColorNode"}constructor(e){super(null,"vec4"),this.isVertexColorNode=!0,this.index=e}getAttributeName(){const e=this.index;return"color"+(e>0?e:"")}generate(e){const t=this.getAttributeName(e);let r;return r=!0===e.hasGeometryAttribute(t)?super.generate(e):e.generateConst(this.nodeType,new s(1,1,1,1)),r}serialize(e){super.serialize(e),e.index=this.index}deserialize(e){super.deserialize(e),this.index=e.index}}const og=(e=0)=>new ag(e),ug=ln(([e,t])=>Ho(1,e.oneMinus().div(t)).oneMinus()).setLayout({name:"blendBurn",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),lg=ln(([e,t])=>Ho(e.div(t.oneMinus()),1)).setLayout({name:"blendDodge",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),dg=ln(([e,t])=>e.oneMinus().mul(t.oneMinus()).oneMinus()).setLayout({name:"blendScreen",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),cg=ln(([e,t])=>au(e.mul(2).mul(t),e.oneMinus().mul(2).mul(t.oneMinus()).oneMinus(),jo(.5,e))).setLayout({name:"blendOverlay",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),hg=ln(([e,t])=>{const r=t.a.add(e.a.mul(t.a.oneMinus()));return An(t.rgb.mul(t.a).add(e.rgb.mul(e.a).mul(t.a.oneMinus())).div(r),r)}).setLayout({name:"blendColor",type:"vec4",inputs:[{name:"base",type:"vec4"},{name:"blend",type:"vec4"}]}),pg=ln(([e])=>An(e.rgb.mul(e.a),e.a),{color:"vec4",return:"vec4"}),gg=ln(([e])=>(hn(e.a.equal(0),()=>An(0)),An(e.rgb.div(e.a),e.a)),{color:"vec4",return:"vec4"});class mg extends Q{static get type(){return"NodeMaterial"}get type(){return this.constructor.type}set type(e){}constructor(){super(),this.isNodeMaterial=!0,this.fog=!0,this.lights=!1,this.hardwareClipping=!1,this.lightsNode=null,this.envNode=null,this.aoNode=null,this.colorNode=null,this.normalNode=null,this.opacityNode=null,this.backdropNode=null,this.backdropAlphaNode=null,this.alphaTestNode=null,this.maskNode=null,this.maskShadowNode=null,this.positionNode=null,this.geometryNode=null,this.depthNode=null,this.receivedShadowPositionNode=null,this.castShadowPositionNode=null,this.receivedShadowNode=null,this.castShadowNode=null,this.outputNode=null,this.mrtNode=null,this.fragmentNode=null,this.vertexNode=null,this.contextNode=null}_getNodeChildren(){const e=[];for(const t of Object.getOwnPropertyNames(this)){if(!0===t.startsWith("_"))continue;const r=this[t];r&&!0===r.isNode&&e.push({property:t,childNode:r})}return e}customProgramCacheKey(){const e=[];for(const{property:t,childNode:r}of this._getNodeChildren())e.push(Is(t.slice(0,-4)),r.getCacheKey());return this.type+Os(e)}build(e){this.setup(e)}setupObserver(e){return new Ls(e)}setup(e){e.context.setupNormal=()=>Lu(this.setupNormal(e),"NORMAL","vec3"),e.context.setupPositionView=()=>this.setupPositionView(e),e.context.setupModelViewProjection=()=>this.setupModelViewProjection(e);const t=e.renderer,r=t.getRenderTarget();!0===t.contextNode.isContextNode?e.context={...e.context,...t.contextNode.getFlowContextData()}:o('NodeMaterial: "renderer.contextNode" must be an instance of `context()`.'),null!==this.contextNode&&(!0===this.contextNode.isContextNode?e.context={...e.context,...this.contextNode.getFlowContextData()}:o('NodeMaterial: "material.contextNode" must be an instance of `context()`.')),e.addStack();const s=this.setupVertex(e),i=Lu(this.vertexNode||s,"VERTEX");let n;e.context.clipSpace=i,e.stack.outputNode=i,this.setupHardwareClipping(e),null!==this.geometryNode&&(e.stack.outputNode=e.stack.outputNode.bypass(this.geometryNode)),e.addFlow("vertex",e.removeStack()),e.addStack();const a=this.setupClipping(e);if(!0!==this.depthWrite&&!0!==this.depthTest||(null!==r?!0===r.depthBuffer&&this.setupDepth(e):!0===t.depth&&this.setupDepth(e)),null===this.fragmentNode){this.setupDiffuseColor(e),this.setupVariants(e);const s=this.setupLighting(e);null!==a&&e.stack.addToStack(a);const i=An(s,Vn.a).max(0);n=this.setupOutput(e,i),na.assign(n);const o=null!==this.outputNode;if(o&&(n=this.outputNode),e.context.getOutput&&(n=e.context.getOutput(n,e)),null!==r){const e=t.getMRT(),r=this.mrtNode;null!==e?(o&&na.assign(n),n=e,null!==r&&(n=e.merge(r))):null!==r&&(n=r)}}else{let t=this.fragmentNode;!0!==t.isOutputStructNode&&(t=An(t)),n=this.setupOutput(e,t)}e.stack.outputNode=n,e.addFlow("fragment",e.removeStack()),e.observer=this.setupObserver(e)}setupClipping(e){if(null===e.clippingContext)return null;const{unionPlanes:t,intersectionPlanes:r}=e.clippingContext;let s=null;if(t.length>0||r.length>0){const t=e.renderer.currentSamples;this.alphaToCoverage&&t>1?s=new rg(rg.ALPHA_TO_COVERAGE):e.stack.addToStack(new rg)}return s}setupHardwareClipping(e){if(this.hardwareClipping=!1,null===e.clippingContext)return;const t=e.clippingContext.unionPlanes.length;t>0&&t<=8&&e.isAvailable("clipDistance")&&(e.stack.addToStack(new rg(rg.HARDWARE)),this.hardwareClipping=!0)}setupDepth(e){const{renderer:t,camera:r}=e;let s=this.depthNode;if(null===s){const e=t.getMRT();e&&e.has("depth")?s=e.get("depth"):!0===t.logarithmicDepthBuffer&&(s=r.isPerspectiveCamera?Qp(Jd.z,yd,bd):jp(Jd.z,yd,bd))}null!==s&&Jp.assign(s).toStack()}setupPositionView(){return $d.mul(Kd).xyz}setupModelViewProjection(){return xd.mul(Jd)}setupVertex(e){return e.addStack(),this.setupPosition(e),e.context.position=e.removeStack(),sp}setupPosition(e){const{object:t,geometry:r}=e;if((r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color)&&Bp(t).toStack(),!0===t.isSkinnedMesh&&Np(t).toStack(),this.displacementMap){const e=Uc("displacementMap","texture"),t=Uc("displacementScale","float"),r=Uc("displacementBias","float");Kd.addAssign(ac.normalize().mul(e.x.mul(t).add(r)))}return t.isBatchedMesh&&Tp(t).toStack(),t.isInstancedMesh&&t.instanceMatrix&&!0===t.instanceMatrix.isInstancedBufferAttribute&&bp(t).toStack(),null!==this.positionNode&&Kd.assign(Lu(this.positionNode,"POSITION","vec3")),Kd}setupDiffuseColor(e){const{object:t,geometry:r}=e;null!==this.maskNode&&bn(this.maskNode).not().discard();let s=this.colorNode?An(this.colorNode):Th;if(!0===this.vertexColors&&r.hasAttribute("color")&&(s=s.mul(og())),t.instanceColor){s=On("vec3","vInstanceColor").mul(s)}if(t.isBatchedMesh&&t._colorsTexture){s=On("vec3","vBatchColor").mul(s)}Vn.assign(s);const i=this.opacityNode?mn(this.opacityNode):Nh;Vn.a.assign(Vn.a.mul(i));let n=null;(null!==this.alphaTestNode||this.alphaTest>0)&&(n=null!==this.alphaTestNode?mn(this.alphaTestNode):xh,!0===this.alphaToCoverage?(Vn.a=du(n,n.add(Go(Vn.a)),Vn.a),Vn.a.lessThanEqual(0).discard()):Vn.a.lessThanEqual(n).discard()),!0===this.alphaHash&&Vn.a.lessThan(ng(Kd)).discard(),e.isOpaque()&&Vn.a.assign(1)}setupVariants(){}setupOutgoingLight(){return!0===this.lights?Nn(0):Vn.rgb}setupNormal(){return this.normalNode?Nn(this.normalNode):Bh}setupEnvironment(){let e=null;return this.envNode?e=this.envNode:this.envMap&&(e=this.envMap.isCubeTexture?Uc("envMap","cubeTexture"):Uc("envMap","texture")),e}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new Up(ep)),t}setupLights(e){const t=[],r=this.setupEnvironment(e);r&&r.isLightingNode&&t.push(r);const s=this.setupLightMap(e);s&&s.isLightingNode&&t.push(s);let i=this.aoNode;null===i&&e.material.aoMap&&(i=tp),e.context.getAO&&(i=e.context.getAO(i,e)),i&&t.push(new Lp(i));let n=this.lightsNode||e.lightsNode;return t.length>0&&(n=e.renderer.lighting.createNode([...n.getLights(),...t])),n}setupLightingModel(){}setupLighting(e){const{material:t}=e,{backdropNode:r,backdropAlphaNode:s,emissiveNode:i}=this,n=!0===this.lights||null!==this.lightsNode?this.setupLights(e):null;let a=this.setupOutgoingLight(e);if(n&&n.getScope().hasLights){const t=this.setupLightingModel(e)||null;a=Dp(n,t,r,s)}else null!==r&&(a=Nn(null!==s?au(a,r,s):r));return(i&&!0===i.isNode||t.emissive&&!0===t.emissive.isColor)&&(Gn.assign(Nn(i||vh)),a=a.add(Gn)),a}setupFog(e,t){const r=e.fogNode;return r&&(na.assign(t),t=An(r.toVar())),t}setupPremultipliedAlpha(e,t){return pg(t)}setupOutput(e,t){return!0===this.fog&&(t=this.setupFog(e,t)),!0===this.premultipliedAlpha&&(t=this.setupPremultipliedAlpha(e,t)),t}setDefaultValues(e){for(const t in e){const r=e[t];void 0===this[t]&&(this[t]=r,r&&r.clone&&(this[t]=r.clone()))}const t=Object.getOwnPropertyDescriptors(e.constructor.prototype);for(const e in t)void 0===Object.getOwnPropertyDescriptor(this.constructor.prototype,e)&&void 0!==t[e].get&&Object.defineProperty(this.constructor.prototype,e,t[e])}toJSON(e){const t=void 0===e||"string"==typeof e;t&&(e={textures:{},images:{},nodes:{}});const r=Q.prototype.toJSON.call(this,e);r.inputNodes={};for(const{property:t,childNode:s}of this._getNodeChildren())r.inputNodes[t]=s.toJSON(e).uuid;function s(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(t){const t=s(e.textures),i=s(e.images),n=s(e.nodes);t.length>0&&(r.textures=t),i.length>0&&(r.images=i),n.length>0&&(r.nodes=n)}return r}copy(e){return this.lightsNode=e.lightsNode,this.envNode=e.envNode,this.aoNode=e.aoNode,this.colorNode=e.colorNode,this.normalNode=e.normalNode,this.opacityNode=e.opacityNode,this.backdropNode=e.backdropNode,this.backdropAlphaNode=e.backdropAlphaNode,this.alphaTestNode=e.alphaTestNode,this.maskNode=e.maskNode,this.maskShadowNode=e.maskShadowNode,this.positionNode=e.positionNode,this.geometryNode=e.geometryNode,this.depthNode=e.depthNode,this.receivedShadowPositionNode=e.receivedShadowPositionNode,this.castShadowPositionNode=e.castShadowPositionNode,this.receivedShadowNode=e.receivedShadowNode,this.castShadowNode=e.castShadowNode,this.outputNode=e.outputNode,this.mrtNode=e.mrtNode,this.fragmentNode=e.fragmentNode,this.vertexNode=e.vertexNode,this.contextNode=e.contextNode,super.copy(e)}}const fg=new Z;class yg extends mg{static get type(){return"LineBasicNodeMaterial"}constructor(e){super(),this.isLineBasicNodeMaterial=!0,this.setDefaultValues(fg),this.setValues(e)}}const bg=new J;class xg extends mg{static get type(){return"LineDashedNodeMaterial"}constructor(e){super(),this.isLineDashedNodeMaterial=!0,this.setDefaultValues(bg),this.dashOffset=0,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.setValues(e)}setupVariants(){const e=this.offsetNode?mn(this.offsetNode):Qh,t=this.dashScaleNode?mn(this.dashScaleNode):jh,r=this.dashSizeNode?mn(this.dashSizeNode):Xh,s=this.gapSizeNode?mn(this.gapSizeNode):Kh;aa.assign(r),oa.assign(s);const i=Du(Rl("lineDistance").mul(t));(e?i.add(e):i).mod(aa.add(oa)).greaterThan(aa).discard()}}const Tg=new J;class _g extends mg{static get type(){return"Line2NodeMaterial"}constructor(e={}){super(),this.isLine2NodeMaterial=!0,this.setDefaultValues(Tg),this.vertexColors=e.vertexColors,this.dashOffset=0,this.lineColorNode=null,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.blending=ee,this._useDash=e.dashed,this._useAlphaToCoverage=!0,this._useWorldUnits=!1,this.setValues(e)}setup(e){const{renderer:t}=e,r=this._useAlphaToCoverage,s=this.vertexColors,i=this._useDash,n=this._useWorldUnits,a=ln(({start:e,end:t})=>{const r=xd.element(2).element(2),s=xd.element(3).element(2).mul(-.5).div(r).sub(e.z).div(t.z.sub(e.z));return An(au(e.xyz,t.xyz,s),t.w)}).setLayout({name:"trimSegment",type:"vec4",inputs:[{name:"start",type:"vec4"},{name:"end",type:"vec4"}]});this.vertexNode=ln(()=>{const e=Rl("instanceStart"),t=Rl("instanceEnd"),r=An($d.mul(An(e,1))).toVar("start"),s=An($d.mul(An(t,1))).toVar("end");if(i){const e=this.dashScaleNode?mn(this.dashScaleNode):jh,t=this.offsetNode?mn(this.offsetNode):Qh,r=Rl("instanceDistanceStart"),s=Rl("instanceDistanceEnd");let i=Xd.y.lessThan(.5).select(e.mul(r),e.mul(s));i=i.add(t),On("float","lineDistance").assign(i)}n&&(On("vec3","worldStart").assign(r.xyz),On("vec3","worldEnd").assign(s.xyz));const o=Ql.z.div(Ql.w),u=xd.element(2).element(3).equal(-1);hn(u,()=>{hn(r.z.lessThan(0).and(s.z.greaterThan(0)),()=>{s.assign(a({start:r,end:s}))}).ElseIf(s.z.lessThan(0).and(r.z.greaterThanEqual(0)),()=>{r.assign(a({start:s,end:r}))})});const l=xd.mul(r),d=xd.mul(s),c=l.xyz.div(l.w),h=d.xyz.div(d.w),p=h.xy.sub(c.xy).toVar();p.x.assign(p.x.mul(o)),p.assign(p.normalize());const g=An().toVar();if(n){const e=s.xyz.sub(r.xyz).normalize(),t=au(r.xyz,s.xyz,.5).normalize(),n=e.cross(t).normalize(),a=e.cross(n),o=On("vec4","worldPos");o.assign(Xd.y.lessThan(.5).select(r,s));const u=Yh.mul(.5);o.addAssign(An(Xd.x.lessThan(0).select(n.mul(u),n.mul(u).negate()),0)),i||(o.addAssign(An(Xd.y.lessThan(.5).select(e.mul(u).negate(),e.mul(u)),0)),o.addAssign(An(a.mul(u),0)),hn(Xd.y.greaterThan(1).or(Xd.y.lessThan(0)),()=>{o.subAssign(An(a.mul(2).mul(u),0))})),g.assign(xd.mul(o));const l=Nn().toVar();l.assign(Xd.y.lessThan(.5).select(c,h)),g.z.assign(l.z.mul(g.w))}else{const e=xn(p.y,p.x.negate()).toVar("offset");p.x.assign(p.x.div(o)),e.x.assign(e.x.div(o)),e.assign(Xd.x.lessThan(0).select(e.negate(),e)),hn(Xd.y.lessThan(0),()=>{e.assign(e.sub(p))}).ElseIf(Xd.y.greaterThan(1),()=>{e.assign(e.add(p))}),e.assign(e.mul(Yh)),e.assign(e.div(Ql.w.div(jl))),g.assign(Xd.y.lessThan(.5).select(l,d)),e.assign(e.mul(g.w)),g.assign(g.add(An(e,0,0)))}return g})();const o=ln(({p1:e,p2:t,p3:r,p4:s})=>{const i=e.sub(r),n=s.sub(r),a=t.sub(e),o=i.dot(n),u=n.dot(a),l=i.dot(a),d=n.dot(n),c=a.dot(a).mul(d).sub(u.mul(u)),h=o.mul(u).sub(l.mul(d)).div(c).clamp(),p=o.add(u.mul(h)).div(d).clamp();return xn(h,p)});if(this.colorNode=ln(()=>{const e=El();if(i){const t=this.dashSizeNode?mn(this.dashSizeNode):Xh,r=this.gapSizeNode?mn(this.gapSizeNode):Kh;aa.assign(t),oa.assign(r);const s=On("float","lineDistance");e.y.lessThan(-1).or(e.y.greaterThan(1)).discard(),s.mod(aa.add(oa)).greaterThan(aa).discard()}const a=mn(1).toVar("alpha");if(n){const e=On("vec3","worldStart"),s=On("vec3","worldEnd"),n=On("vec4","worldPos").xyz.normalize().mul(1e5),u=s.sub(e),l=o({p1:e,p2:s,p3:Nn(0,0,0),p4:n}),d=e.add(u.mul(l.x)),c=n.mul(l.y),h=d.sub(c).length().div(Yh);if(!i)if(r&&t.currentSamples>0){const e=h.fwidth();a.assign(du(e.negate().add(.5),e.add(.5),h).oneMinus())}else h.greaterThan(.5).discard()}else if(r&&t.currentSamples>0){const t=e.x,r=e.y.greaterThan(0).select(e.y.sub(1),e.y.add(1)),s=t.mul(t).add(r.mul(r)),i=mn(s.fwidth()).toVar("dlen");hn(e.y.abs().greaterThan(1),()=>{a.assign(du(i.oneMinus(),i.add(1),s).oneMinus())})}else hn(e.y.abs().greaterThan(1),()=>{const t=e.x,r=e.y.greaterThan(0).select(e.y.sub(1),e.y.add(1));t.mul(t).add(r.mul(r)).greaterThan(1).discard()});let u;if(this.lineColorNode)u=this.lineColorNode;else if(s){const e=Rl("instanceColorStart"),t=Rl("instanceColorEnd");u=Xd.y.lessThan(.5).select(e,t).mul(Th)}else u=Th;return An(u,a)})(),this.transparent){const e=this.opacityNode?mn(this.opacityNode):Nh;this.outputNode=An(this.colorNode.rgb.mul(e).add(zp().rgb.mul(e.oneMinus())),this.colorNode.a)}super.setup(e)}get worldUnits(){return this._useWorldUnits}set worldUnits(e){this._useWorldUnits!==e&&(this._useWorldUnits=e,this.needsUpdate=!0)}get dashed(){return this._useDash}set dashed(e){this._useDash!==e&&(this._useDash=e,this.needsUpdate=!0)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}const vg=new te;class Ng extends mg{static get type(){return"MeshNormalNodeMaterial"}constructor(e){super(),this.isMeshNormalNodeMaterial=!0,this.setDefaultValues(vg),this.setValues(e)}setupDiffuseColor(){const e=this.opacityNode?mn(this.opacityNode):Nh;Vn.assign(zu(An(lh(dc),e),re))}}const Sg=ln(([e=Zd])=>{const t=e.z.atan(e.x).mul(1/(2*Math.PI)).add(.5),r=e.y.clamp(-1,1).asin().mul(1/Math.PI).add(.5);return xn(t,r)});class Rg extends se{constructor(e=1,t={}){super(e,e,t),this.isCubeRenderTarget=!0;const r={width:e,height:e,depth:1},s=[r,r,r,r,r,r];this.texture=new L(s),this._setTextureOptions(t),this.texture.isRenderTargetTexture=!0}fromEquirectangularTexture(e,t){const r=t.minFilter,s=t.generateMipmaps;t.generateMipmaps=!0,this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const i=new ie(5,5,5),n=Sg(Zd),a=new mg;a.colorNode=Dl(t,n,0),a.side=M,a.blending=ee;const o=new ne(i,a),u=new ae;u.add(o),t.minFilter===K&&(t.minFilter=oe);const l=new ue(1,10,this),d=e.getMRT();return e.setMRT(null),l.update(e,u),e.setMRT(d),t.minFilter=r,t.currentGenerateMipmaps=s,o.geometry.dispose(),o.material.dispose(),this}clear(e,t=!0,r=!0,s=!0){const i=e.getRenderTarget();for(let i=0;i<6;i++)e.setRenderTarget(this,i),e.clear(t,r,s);e.setRenderTarget(i)}}const Eg=new WeakMap;class Ag extends hi{static get type(){return"CubeMapNode"}constructor(e){super("vec3"),this.envNode=e,this._cubeTexture=null,this._cubeTextureNode=Mc(null);const t=new L;t.isRenderTargetTexture=!0,this._defaultTexture=t,this.updateBeforeType=ei.RENDER}updateBefore(e){const{renderer:t,material:r}=e,s=this.envNode;if(s.isTextureNode||s.isMaterialReferenceNode){const e=s.isTextureNode?s.value:r[s.property];if(e&&e.isTexture){const r=e.mapping;if(r===le||r===de){if(Eg.has(e)){const t=Eg.get(e);Cg(t,e.mapping),this._cubeTexture=t}else{const r=e.image;if(function(e){return null!=e&&e.height>0}(r)){const s=new Rg(r.height);s.fromEquirectangularTexture(t,e),Cg(s.texture,e.mapping),this._cubeTexture=s.texture,Eg.set(e,s.texture),e.addEventListener("dispose",wg)}else this._cubeTexture=this._defaultTexture}this._cubeTextureNode.value=this._cubeTexture}else this._cubeTextureNode=this.envNode}}}setup(e){return this.updateBefore(e),this._cubeTextureNode}}function wg(e){const t=e.target;t.removeEventListener("dispose",wg);const r=Eg.get(t);void 0!==r&&(Eg.delete(t),r.dispose())}function Cg(e,t){t===le?e.mapping=P:t===de&&(e.mapping=D)}const Mg=sn(Ag).setParameterLength(1);class Bg extends Fp{static get type(){return"BasicEnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){e.context.environment=Mg(this.envNode)}}class Fg extends Fp{static get type(){return"BasicLightMapNode"}constructor(e=null){super(),this.lightMapNode=e}setup(e){const t=mn(1/Math.PI);e.context.irradianceLightMap=this.lightMapNode.mul(t)}}class Lg{start(e){e.lightsNode.setupLights(e,e.lightsNode.getLightNodes(e)),this.indirect(e)}finish(){}direct(){}directRectArea(){}indirect(){}ambientOcclusion(){}}class Pg extends Lg{constructor(){super()}indirect({context:e}){const t=e.ambientOcclusion,r=e.reflectedLight,s=e.irradianceLightMap;r.indirectDiffuse.assign(An(0)),s?r.indirectDiffuse.addAssign(s):r.indirectDiffuse.addAssign(An(1,1,1,0)),r.indirectDiffuse.mulAssign(t),r.indirectDiffuse.mulAssign(Vn.rgb)}finish(e){const{material:t,context:r}=e,s=r.outgoingLight,i=e.context.environment;if(i)switch(t.combine){case pe:s.rgb.assign(au(s.rgb,s.rgb.mul(i.rgb),Ah.mul(wh)));break;case he:s.rgb.assign(au(s.rgb,i.rgb,Ah.mul(wh)));break;case ce:s.rgb.addAssign(i.rgb.mul(Ah.mul(wh)));break;default:d("BasicLightingModel: Unsupported .combine value:",t.combine)}}}const Dg=new ge;class Ug extends mg{static get type(){return"MeshBasicNodeMaterial"}constructor(e){super(),this.isMeshBasicNodeMaterial=!0,this.lights=!0,this.setDefaultValues(Dg),this.setValues(e)}setupNormal(){return ic(uc)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Bg(t):null}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new Fg(ep)),t}setupOutgoingLight(){return Vn.rgb}setupLightingModel(){return new Pg}}const Ig=ln(({f0:e,f90:t,dotVH:r})=>{const s=r.mul(-5.55473).sub(6.98316).mul(r).exp2();return e.mul(s.oneMinus()).add(t.mul(s))}),Og=ln(e=>e.diffuseColor.mul(1/Math.PI)),Vg=ln(({dotNH:e})=>ia.mul(mn(.5)).add(1).mul(mn(1/Math.PI)).mul(e.pow(ia))),kg=ln(({lightDirection:e})=>{const t=e.add(ec).normalize(),r=dc.dot(t).clamp(),s=ec.dot(t).clamp(),i=Ig({f0:ta,f90:1,dotVH:s}),n=mn(.25),a=Vg({dotNH:r});return i.mul(n).mul(a)});class Gg extends Pg{constructor(e=!0){super(),this.specular=e}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=dc.dot(e).clamp().mul(t);r.directDiffuse.addAssign(s.mul(Og({diffuseColor:Vn.rgb}))),!0===this.specular&&r.directSpecular.addAssign(s.mul(kg({lightDirection:e})).mul(Ah))}indirect(e){const{ambientOcclusion:t,irradiance:r,reflectedLight:s}=e.context;s.indirectDiffuse.addAssign(r.mul(Og({diffuseColor:Vn}))),s.indirectDiffuse.mulAssign(t)}}const zg=new me;class $g extends mg{static get type(){return"MeshLambertNodeMaterial"}constructor(e){super(),this.isMeshLambertNodeMaterial=!0,this.lights=!0,this.setDefaultValues(zg),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Bg(t):null}setupLightingModel(){return new Gg(!1)}}const Wg=new fe;class Hg extends mg{static get type(){return"MeshPhongNodeMaterial"}constructor(e){super(),this.isMeshPhongNodeMaterial=!0,this.lights=!0,this.shininessNode=null,this.specularNode=null,this.setDefaultValues(Wg),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Bg(t):null}setupLightingModel(){return new Gg}setupVariants(){const e=(this.shininessNode?mn(this.shininessNode):_h).max(1e-4);ia.assign(e);const t=this.specularNode||Sh;ta.assign(t)}copy(e){return this.shininessNode=e.shininessNode,this.specularNode=e.specularNode,super.copy(e)}}const qg=ln(e=>{if(!1===e.geometry.hasAttribute("normal"))return mn(0);const t=uc.dFdx().abs().max(uc.dFdy().abs());return t.x.max(t.y).max(t.z)}),jg=ln(e=>{const{roughness:t}=e,r=qg();let s=t.max(.0525);return s=s.add(r),s=s.min(1),s}),Xg=ln(({alpha:e,dotNL:t,dotNV:r})=>{const s=e.pow2(),i=t.mul(s.add(s.oneMinus().mul(r.pow2())).sqrt()),n=r.mul(s.add(s.oneMinus().mul(t.pow2())).sqrt());return Pa(.5,i.add(n).max(io))}).setLayout({name:"V_GGX_SmithCorrelated",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNL",type:"float"},{name:"dotNV",type:"float"}]}),Kg=ln(({alphaT:e,alphaB:t,dotTV:r,dotBV:s,dotTL:i,dotBL:n,dotNV:a,dotNL:o})=>{const u=o.mul(Nn(e.mul(r),t.mul(s),a).length()),l=a.mul(Nn(e.mul(i),t.mul(n),o).length());return Pa(.5,u.add(l))}).setLayout({name:"V_GGX_SmithCorrelated_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotTV",type:"float",qualifier:"in"},{name:"dotBV",type:"float",qualifier:"in"},{name:"dotTL",type:"float",qualifier:"in"},{name:"dotBL",type:"float",qualifier:"in"},{name:"dotNV",type:"float",qualifier:"in"},{name:"dotNL",type:"float",qualifier:"in"}]}),Yg=ln(({alpha:e,dotNH:t})=>{const r=e.pow2(),s=t.pow2().mul(r.oneMinus()).oneMinus();return r.div(s.pow2()).mul(1/Math.PI)}).setLayout({name:"D_GGX",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNH",type:"float"}]}),Qg=mn(1/Math.PI),Zg=ln(({alphaT:e,alphaB:t,dotNH:r,dotTH:s,dotBH:i})=>{const n=e.mul(t),a=Nn(t.mul(s),e.mul(i),n.mul(r)),o=a.dot(a),u=n.div(o);return Qg.mul(n.mul(u.pow2()))}).setLayout({name:"D_GGX_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotNH",type:"float",qualifier:"in"},{name:"dotTH",type:"float",qualifier:"in"},{name:"dotBH",type:"float",qualifier:"in"}]}),Jg=ln(({lightDirection:e,f0:t,f90:r,roughness:s,f:i,normalView:n=dc,USE_IRIDESCENCE:a,USE_ANISOTROPY:o})=>{const u=s.pow2(),l=e.add(ec).normalize(),d=n.dot(e).clamp(),c=n.dot(ec).clamp(),h=n.dot(l).clamp(),p=ec.dot(l).clamp();let g,m,f=Ig({f0:t,f90:r,dotVH:p});if(Yi(a)&&(f=Xn.mix(f,i)),Yi(o)){const t=Jn.dot(e),r=Jn.dot(ec),s=Jn.dot(l),i=ea.dot(e),n=ea.dot(ec),a=ea.dot(l);g=Kg({alphaT:Qn,alphaB:u,dotTV:r,dotBV:n,dotTL:t,dotBL:i,dotNV:c,dotNL:d}),m=Zg({alphaT:Qn,alphaB:u,dotNH:h,dotTH:s,dotBH:a})}else g=Xg({alpha:u,dotNL:d,dotNV:c}),m=Yg({alpha:u,dotNH:h});return f.mul(g).mul(m)}),em=new 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tm=null;const rm=ln(({roughness:e,dotNV:t})=>{null===tm&&(tm=new ye(em,16,16,G,be),tm.name="DFG_LUT",tm.minFilter=oe,tm.magFilter=oe,tm.wrapS=xe,tm.wrapT=xe,tm.generateMipmaps=!1,tm.needsUpdate=!0);const r=xn(e,t);return Dl(tm,r).rg}),sm=ln(({lightDirection:e,f0:t,f90:r,roughness:s,f:i,USE_IRIDESCENCE:n,USE_ANISOTROPY:a})=>{const o=Jg({lightDirection:e,f0:t,f90:r,roughness:s,f:i,USE_IRIDESCENCE:n,USE_ANISOTROPY:a}),u=dc.dot(e).clamp(),l=dc.dot(ec).clamp(),d=rm({roughness:s,dotNV:l}),c=rm({roughness:s,dotNV:u}),h=t.mul(d.x).add(r.mul(d.y)),p=t.mul(c.x).add(r.mul(c.y)),g=d.x.add(d.y),m=c.x.add(c.y),f=mn(1).sub(g),y=mn(1).sub(m),b=t.add(t.oneMinus().mul(.047619)),x=h.mul(p).mul(b).div(mn(1).sub(f.mul(y).mul(b).mul(b)).add(io)),T=f.mul(y),_=x.mul(T);return o.add(_)}),im=ln(e=>{const{dotNV:t,specularColor:r,specularF90:s,roughness:i}=e,n=rm({dotNV:t,roughness:i});return r.mul(n.x).add(s.mul(n.y))}),nm=ln(({f:e,f90:t,dotVH:r})=>{const s=r.oneMinus().saturate(),i=s.mul(s),n=s.mul(i,i).clamp(0,.9999);return e.sub(Nn(t).mul(n)).div(n.oneMinus())}).setLayout({name:"Schlick_to_F0",type:"vec3",inputs:[{name:"f",type:"vec3"},{name:"f90",type:"float"},{name:"dotVH",type:"float"}]}),am=ln(({roughness:e,dotNH:t})=>{const r=e.pow2(),s=mn(1).div(r),i=t.pow2().oneMinus().max(.0078125);return mn(2).add(s).mul(i.pow(s.mul(.5))).div(2*Math.PI)}).setLayout({name:"D_Charlie",type:"float",inputs:[{name:"roughness",type:"float"},{name:"dotNH",type:"float"}]}),om=ln(({dotNV:e,dotNL:t})=>mn(1).div(mn(4).mul(t.add(e).sub(t.mul(e))))).setLayout({name:"V_Neubelt",type:"float",inputs:[{name:"dotNV",type:"float"},{name:"dotNL",type:"float"}]}),um=ln(({lightDirection:e})=>{const t=e.add(ec).normalize(),r=dc.dot(e).clamp(),s=dc.dot(ec).clamp(),i=dc.dot(t).clamp(),n=am({roughness:jn,dotNH:i}),a=om({dotNV:s,dotNL:r});return qn.mul(n).mul(a)}),lm=ln(({N:e,V:t,roughness:r})=>{const s=e.dot(t).saturate(),i=xn(r,s.oneMinus().sqrt());return i.assign(i.mul(.984375).add(.0078125)),i}).setLayout({name:"LTC_Uv",type:"vec2",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"roughness",type:"float"}]}),dm=ln(({f:e})=>{const t=e.length();return qo(t.mul(t).add(e.z).div(t.add(1)),0)}).setLayout({name:"LTC_ClippedSphereFormFactor",type:"float",inputs:[{name:"f",type:"vec3"}]}),cm=ln(({v1:e,v2:t})=>{const r=e.dot(t),s=r.abs().toVar(),i=s.mul(.0145206).add(.4965155).mul(s).add(.8543985).toVar(),n=s.add(4.1616724).mul(s).add(3.417594).toVar(),a=i.div(n),o=r.greaterThan(0).select(a,qo(r.mul(r).oneMinus(),1e-7).inverseSqrt().mul(.5).sub(a));return e.cross(t).mul(o)}).setLayout({name:"LTC_EdgeVectorFormFactor",type:"vec3",inputs:[{name:"v1",type:"vec3"},{name:"v2",type:"vec3"}]}),hm=ln(({N:e,V:t,P:r,mInv:s,p0:i,p1:n,p2:a,p3:o})=>{const u=n.sub(i).toVar(),l=o.sub(i).toVar(),d=u.cross(l),c=Nn().toVar();return hn(d.dot(r.sub(i)).greaterThanEqual(0),()=>{const u=t.sub(e.mul(t.dot(e))).normalize(),l=e.cross(u).negate(),d=s.mul(Fn(u,l,e).transpose()).toVar(),h=d.mul(i.sub(r)).normalize().toVar(),p=d.mul(n.sub(r)).normalize().toVar(),g=d.mul(a.sub(r)).normalize().toVar(),m=d.mul(o.sub(r)).normalize().toVar(),f=Nn(0).toVar();f.addAssign(cm({v1:h,v2:p})),f.addAssign(cm({v1:p,v2:g})),f.addAssign(cm({v1:g,v2:m})),f.addAssign(cm({v1:m,v2:h})),c.assign(Nn(dm({f:f})))}),c}).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"P",type:"vec3"},{name:"mInv",type:"mat3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),pm=ln(({P:e,p0:t,p1:r,p2:s,p3:i})=>{const n=r.sub(t).toVar(),a=i.sub(t).toVar(),o=n.cross(a),u=Nn().toVar();return hn(o.dot(e.sub(t)).greaterThanEqual(0),()=>{const n=t.sub(e).normalize().toVar(),a=r.sub(e).normalize().toVar(),o=s.sub(e).normalize().toVar(),l=i.sub(e).normalize().toVar(),d=Nn(0).toVar();d.addAssign(cm({v1:n,v2:a})),d.addAssign(cm({v1:a,v2:o})),d.addAssign(cm({v1:o,v2:l})),d.addAssign(cm({v1:l,v2:n})),u.assign(Nn(dm({f:d.abs()})))}),u}).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"P",type:"vec3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),gm=1/6,mm=e=>La(gm,La(e,La(e,e.negate().add(3)).sub(3)).add(1)),fm=e=>La(gm,La(e,La(e,La(3,e).sub(6))).add(4)),ym=e=>La(gm,La(e,La(e,La(-3,e).add(3)).add(3)).add(1)),bm=e=>La(gm,Jo(e,3)),xm=e=>mm(e).add(fm(e)),Tm=e=>ym(e).add(bm(e)),_m=e=>Ba(-1,fm(e).div(mm(e).add(fm(e)))),vm=e=>Ba(1,bm(e).div(ym(e).add(bm(e)))),Nm=(e,t,r)=>{const s=e.uvNode,i=La(s,t.zw).add(.5),n=_o(i),a=So(i),o=xm(a.x),u=Tm(a.x),l=_m(a.x),d=vm(a.x),c=_m(a.y),h=vm(a.y),p=xn(n.x.add(l),n.y.add(c)).sub(.5).mul(t.xy),g=xn(n.x.add(d),n.y.add(c)).sub(.5).mul(t.xy),m=xn(n.x.add(l),n.y.add(h)).sub(.5).mul(t.xy),f=xn(n.x.add(d),n.y.add(h)).sub(.5).mul(t.xy),y=xm(a.y).mul(Ba(o.mul(e.sample(p).level(r)),u.mul(e.sample(g).level(r)))),b=Tm(a.y).mul(Ba(o.mul(e.sample(m).level(r)),u.mul(e.sample(f).level(r))));return y.add(b)},Sm=ln(([e,t])=>{const r=xn(e.size(fn(t))),s=xn(e.size(fn(t.add(1)))),i=Pa(1,r),n=Pa(1,s),a=Nm(e,An(i,r),_o(t)),o=Nm(e,An(n,s),vo(t));return So(t).mix(a,o)}),Rm=ln(([e,t])=>{const r=t.mul(Ml(e));return Sm(e,r)}),Em=ln(([e,t,r,s,i])=>{const n=Nn(lu(t.negate(),No(e),Pa(1,s))),a=Nn(Lo(i[0].xyz),Lo(i[1].xyz),Lo(i[2].xyz));return No(n).mul(r.mul(a))}).setLayout({name:"getVolumeTransmissionRay",type:"vec3",inputs:[{name:"n",type:"vec3"},{name:"v",type:"vec3"},{name:"thickness",type:"float"},{name:"ior",type:"float"},{name:"modelMatrix",type:"mat4"}]}),Am=ln(([e,t])=>e.mul(ou(t.mul(2).sub(2),0,1))).setLayout({name:"applyIorToRoughness",type:"float",inputs:[{name:"roughness",type:"float"},{name:"ior",type:"float"}]}),wm=kp(),Cm=zp(),Mm=ln(([e,t,r],{material:s})=>{const i=(s.side===M?wm:Cm).sample(e),n=bo(Kl.x).mul(Am(t,r));return Sm(i,n)}),Bm=ln(([e,t,r])=>(hn(r.notEqual(0),()=>{const s=yo(t).negate().div(r);return mo(s.negate().mul(e))}),Nn(1))).setLayout({name:"volumeAttenuation",type:"vec3",inputs:[{name:"transmissionDistance",type:"float"},{name:"attenuationColor",type:"vec3"},{name:"attenuationDistance",type:"float"}]}),Fm=ln(([e,t,r,s,i,n,a,o,u,l,d,c,h,p,g])=>{let m,f;if(g){m=An().toVar(),f=Nn().toVar();const i=d.sub(1).mul(g.mul(.025)),n=Nn(d.sub(i),d,d.add(i));Rp({start:0,end:3},({i:i})=>{const d=n.element(i),g=Em(e,t,c,d,o),y=a.add(g),b=l.mul(u.mul(An(y,1))),x=xn(b.xy.div(b.w)).toVar();x.addAssign(1),x.divAssign(2),x.assign(xn(x.x,x.y.oneMinus()));const T=Mm(x,r,d);m.element(i).assign(T.element(i)),m.a.addAssign(T.a),f.element(i).assign(s.element(i).mul(Bm(Lo(g),h,p).element(i)))}),m.a.divAssign(3)}else{const i=Em(e,t,c,d,o),n=a.add(i),g=l.mul(u.mul(An(n,1))),y=xn(g.xy.div(g.w)).toVar();y.addAssign(1),y.divAssign(2),y.assign(xn(y.x,y.y.oneMinus())),m=Mm(y,r,d),f=s.mul(Bm(Lo(i),h,p))}const y=f.rgb.mul(m.rgb),b=e.dot(t).clamp(),x=Nn(im({dotNV:b,specularColor:i,specularF90:n,roughness:r})),T=f.r.add(f.g,f.b).div(3);return An(x.oneMinus().mul(y),m.a.oneMinus().mul(T).oneMinus())}),Lm=Fn(3.2404542,-.969266,.0556434,-1.5371385,1.8760108,-.2040259,-.4985314,.041556,1.0572252),Pm=(e,t)=>e.sub(t).div(e.add(t)).pow2(),Dm=ln(({outsideIOR:e,eta2:t,cosTheta1:r,thinFilmThickness:s,baseF0:i})=>{const n=au(e,t,du(0,.03,s)),a=e.div(n).pow2().mul(r.pow2().oneMinus()).oneMinus();hn(a.lessThan(0),()=>Nn(1));const o=a.sqrt(),u=Pm(n,e),l=Ig({f0:u,f90:1,dotVH:r}),d=l.oneMinus(),c=n.lessThan(e).select(Math.PI,0),h=mn(Math.PI).sub(c),p=(e=>{const t=e.sqrt();return Nn(1).add(t).div(Nn(1).sub(t))})(i.clamp(0,.9999)),g=Pm(p,n.toVec3()),m=Ig({f0:g,f90:1,dotVH:o}),f=Nn(p.x.lessThan(n).select(Math.PI,0),p.y.lessThan(n).select(Math.PI,0),p.z.lessThan(n).select(Math.PI,0)),y=n.mul(s,o,2),b=Nn(h).add(f),x=l.mul(m).clamp(1e-5,.9999),T=x.sqrt(),_=d.pow2().mul(m).div(Nn(1).sub(x)),v=l.add(_).toVar(),N=_.sub(d).toVar();return Rp({start:1,end:2,condition:"<=",name:"m"},({m:e})=>{N.mulAssign(T);const t=((e,t)=>{const r=e.mul(2*Math.PI*1e-9),s=Nn(54856e-17,44201e-17,52481e-17),i=Nn(1681e3,1795300,2208400),n=Nn(43278e5,93046e5,66121e5),a=mn(9747e-17*Math.sqrt(2*Math.PI*45282e5)).mul(r.mul(2239900).add(t.x).cos()).mul(r.pow2().mul(-45282e5).exp());let o=s.mul(n.mul(2*Math.PI).sqrt()).mul(i.mul(r).add(t).cos()).mul(r.pow2().negate().mul(n).exp());return o=Nn(o.x.add(a),o.y,o.z).div(1.0685e-7),Lm.mul(o)})(mn(e).mul(y),mn(e).mul(b)).mul(2);v.addAssign(N.mul(t))}),v.max(Nn(0))}).setLayout({name:"evalIridescence",type:"vec3",inputs:[{name:"outsideIOR",type:"float"},{name:"eta2",type:"float"},{name:"cosTheta1",type:"float"},{name:"thinFilmThickness",type:"float"},{name:"baseF0",type:"vec3"}]}),Um=ln(({normal:e,viewDir:t,roughness:r})=>{const s=e.dot(t).saturate(),i=r.mul(r),n=r.add(.1).reciprocal(),a=mn(-1.9362).add(r.mul(1.0678)).add(i.mul(.4573)).sub(n.mul(.8469)),o=mn(-.6014).add(r.mul(.5538)).sub(i.mul(.467)).sub(n.mul(.1255));return a.mul(s).add(o).exp().saturate()}),Im=Nn(.04),Om=mn(1);class Vm extends Lg{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1){super(),this.clearcoat=e,this.sheen=t,this.iridescence=r,this.anisotropy=s,this.transmission=i,this.dispersion=n,this.clearcoatRadiance=null,this.clearcoatSpecularDirect=null,this.clearcoatSpecularIndirect=null,this.sheenSpecularDirect=null,this.sheenSpecularIndirect=null,this.iridescenceFresnel=null,this.iridescenceF0=null,this.iridescenceF0Dielectric=null,this.iridescenceF0Metallic=null}start(e){if(!0===this.clearcoat&&(this.clearcoatRadiance=Nn().toVar("clearcoatRadiance"),this.clearcoatSpecularDirect=Nn().toVar("clearcoatSpecularDirect"),this.clearcoatSpecularIndirect=Nn().toVar("clearcoatSpecularIndirect")),!0===this.sheen&&(this.sheenSpecularDirect=Nn().toVar("sheenSpecularDirect"),this.sheenSpecularIndirect=Nn().toVar("sheenSpecularIndirect")),!0===this.iridescence){const e=dc.dot(ec).clamp(),t=Dm({outsideIOR:mn(1),eta2:Kn,cosTheta1:e,thinFilmThickness:Yn,baseF0:ta}),r=Dm({outsideIOR:mn(1),eta2:Kn,cosTheta1:e,thinFilmThickness:Yn,baseF0:Vn.rgb});this.iridescenceFresnel=au(t,r,$n),this.iridescenceF0Dielectric=nm({f:t,f90:1,dotVH:e}),this.iridescenceF0Metallic=nm({f:r,f90:1,dotVH:e}),this.iridescenceF0=au(this.iridescenceF0Dielectric,this.iridescenceF0Metallic,$n)}if(!0===this.transmission){const t=Qd,r=Sd.sub(Qd).normalize(),s=cc,i=e.context;i.backdrop=Fm(s,r,zn,kn,ra,sa,t,Ud,_d,xd,la,ca,pa,ha,this.dispersion?ga:null),i.backdropAlpha=da,Vn.a.mulAssign(au(1,i.backdrop.a,da))}super.start(e)}computeMultiscattering(e,t,r,s,i=null){const n=dc.dot(ec).clamp(),a=rm({roughness:zn,dotNV:n}),o=i?Xn.mix(s,i):s,u=o.mul(a.x).add(r.mul(a.y)),l=a.x.add(a.y).oneMinus(),d=o.add(o.oneMinus().mul(.047619)),c=u.mul(d).div(l.mul(d).oneMinus());e.addAssign(u),t.addAssign(c.mul(l))}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=dc.dot(e).clamp().mul(t).toVar();if(!0===this.sheen){this.sheenSpecularDirect.addAssign(s.mul(um({lightDirection:e})));const t=Um({normal:dc,viewDir:ec,roughness:jn}),r=Um({normal:dc,viewDir:e,roughness:jn}),i=qn.r.max(qn.g).max(qn.b).mul(t.max(r)).oneMinus();s.mulAssign(i)}if(!0===this.clearcoat){const r=hc.dot(e).clamp().mul(t);this.clearcoatSpecularDirect.addAssign(r.mul(Jg({lightDirection:e,f0:Im,f90:Om,roughness:Hn,normalView:hc})))}r.directDiffuse.addAssign(s.mul(Og({diffuseColor:kn}))),r.directSpecular.addAssign(s.mul(sm({lightDirection:e,f0:ra,f90:1,roughness:zn,f:this.iridescenceFresnel,USE_IRIDESCENCE:this.iridescence,USE_ANISOTROPY:this.anisotropy})))}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s,reflectedLight:i,ltc_1:n,ltc_2:a}){const o=t.add(r).sub(s),u=t.sub(r).sub(s),l=t.sub(r).add(s),d=t.add(r).add(s),c=dc,h=ec,p=Jd.toVar(),g=lm({N:c,V:h,roughness:zn}),m=n.sample(g).toVar(),f=a.sample(g).toVar(),y=Fn(Nn(m.x,0,m.y),Nn(0,1,0),Nn(m.z,0,m.w)).toVar(),b=ra.mul(f.x).add(sa.sub(ra).mul(f.y)).toVar();if(i.directSpecular.addAssign(e.mul(b).mul(hm({N:c,V:h,P:p,mInv:y,p0:o,p1:u,p2:l,p3:d}))),i.directDiffuse.addAssign(e.mul(kn).mul(hm({N:c,V:h,P:p,mInv:Fn(1,0,0,0,1,0,0,0,1),p0:o,p1:u,p2:l,p3:d}))),!0===this.clearcoat){const t=hc,r=lm({N:t,V:h,roughness:Hn}),s=n.sample(r),i=a.sample(r),c=Fn(Nn(s.x,0,s.y),Nn(0,1,0),Nn(s.z,0,s.w)),g=Im.mul(i.x).add(Om.sub(Im).mul(i.y));this.clearcoatSpecularDirect.addAssign(e.mul(g).mul(hm({N:t,V:h,P:p,mInv:c,p0:o,p1:u,p2:l,p3:d})))}}indirect(e){this.indirectDiffuse(e),this.indirectSpecular(e),this.ambientOcclusion(e)}indirectDiffuse(e){const{irradiance:t,reflectedLight:r}=e.context,s=t.mul(Og({diffuseColor:kn})).toVar();if(!0===this.sheen){const e=Um({normal:dc,viewDir:ec,roughness:jn}),t=qn.r.max(qn.g).max(qn.b).mul(e).oneMinus();s.mulAssign(t)}r.indirectDiffuse.addAssign(s)}indirectSpecular(e){const{radiance:t,iblIrradiance:r,reflectedLight:s}=e.context;if(!0===this.sheen&&this.sheenSpecularIndirect.addAssign(r.mul(qn,Um({normal:dc,viewDir:ec,roughness:jn}))),!0===this.clearcoat){const e=hc.dot(ec).clamp(),t=im({dotNV:e,specularColor:Im,specularF90:Om,roughness:Hn});this.clearcoatSpecularIndirect.addAssign(this.clearcoatRadiance.mul(t))}const i=Nn().toVar("singleScatteringDielectric"),n=Nn().toVar("multiScatteringDielectric"),a=Nn().toVar("singleScatteringMetallic"),o=Nn().toVar("multiScatteringMetallic");this.computeMultiscattering(i,n,sa,ta,this.iridescenceF0Dielectric),this.computeMultiscattering(a,o,sa,Vn.rgb,this.iridescenceF0Metallic);const u=au(i,a,$n),l=au(n,o,$n),d=i.add(n),c=kn.mul(d.oneMinus()),h=r.mul(1/Math.PI),p=t.mul(u).add(l.mul(h)).toVar(),g=c.mul(h).toVar();if(!0===this.sheen){const e=Um({normal:dc,viewDir:ec,roughness:jn}),t=qn.r.max(qn.g).max(qn.b).mul(e).oneMinus();p.mulAssign(t),g.mulAssign(t)}s.indirectSpecular.addAssign(p),s.indirectDiffuse.addAssign(g)}ambientOcclusion(e){const{ambientOcclusion:t,reflectedLight:r}=e.context,s=dc.dot(ec).clamp().add(t),i=zn.mul(-16).oneMinus().negate().exp2(),n=t.sub(s.pow(i).oneMinus()).clamp();!0===this.clearcoat&&this.clearcoatSpecularIndirect.mulAssign(t),!0===this.sheen&&this.sheenSpecularIndirect.mulAssign(t),r.indirectDiffuse.mulAssign(t),r.indirectSpecular.mulAssign(n)}finish({context:e}){const{outgoingLight:t}=e;if(!0===this.clearcoat){const e=hc.dot(ec).clamp(),r=Ig({dotVH:e,f0:Im,f90:Om}),s=t.mul(Wn.mul(r).oneMinus()).add(this.clearcoatSpecularDirect.add(this.clearcoatSpecularIndirect).mul(Wn));t.assign(s)}if(!0===this.sheen){const e=t.add(this.sheenSpecularDirect,this.sheenSpecularIndirect.mul(1/Math.PI));t.assign(e)}}}const km=mn(1),Gm=mn(-2),zm=mn(.8),$m=mn(-1),Wm=mn(.4),Hm=mn(2),qm=mn(.305),jm=mn(3),Xm=mn(.21),Km=mn(4),Ym=mn(4),Qm=mn(16),Zm=ln(([e])=>{const t=Nn(Bo(e)).toVar(),r=mn(-1).toVar();return hn(t.x.greaterThan(t.z),()=>{hn(t.x.greaterThan(t.y),()=>{r.assign(xu(e.x.greaterThan(0),0,3))}).Else(()=>{r.assign(xu(e.y.greaterThan(0),1,4))})}).Else(()=>{hn(t.z.greaterThan(t.y),()=>{r.assign(xu(e.z.greaterThan(0),2,5))}).Else(()=>{r.assign(xu(e.y.greaterThan(0),1,4))})}),r}).setLayout({name:"getFace",type:"float",inputs:[{name:"direction",type:"vec3"}]}),Jm=ln(([e,t])=>{const r=xn().toVar();return hn(t.equal(0),()=>{r.assign(xn(e.z,e.y).div(Bo(e.x)))}).ElseIf(t.equal(1),()=>{r.assign(xn(e.x.negate(),e.z.negate()).div(Bo(e.y)))}).ElseIf(t.equal(2),()=>{r.assign(xn(e.x.negate(),e.y).div(Bo(e.z)))}).ElseIf(t.equal(3),()=>{r.assign(xn(e.z.negate(),e.y).div(Bo(e.x)))}).ElseIf(t.equal(4),()=>{r.assign(xn(e.x.negate(),e.z).div(Bo(e.y)))}).Else(()=>{r.assign(xn(e.x,e.y).div(Bo(e.z)))}),La(.5,r.add(1))}).setLayout({name:"getUV",type:"vec2",inputs:[{name:"direction",type:"vec3"},{name:"face",type:"float"}]}),ef=ln(([e])=>{const t=mn(0).toVar();return hn(e.greaterThanEqual(zm),()=>{t.assign(km.sub(e).mul($m.sub(Gm)).div(km.sub(zm)).add(Gm))}).ElseIf(e.greaterThanEqual(Wm),()=>{t.assign(zm.sub(e).mul(Hm.sub($m)).div(zm.sub(Wm)).add($m))}).ElseIf(e.greaterThanEqual(qm),()=>{t.assign(Wm.sub(e).mul(jm.sub(Hm)).div(Wm.sub(qm)).add(Hm))}).ElseIf(e.greaterThanEqual(Xm),()=>{t.assign(qm.sub(e).mul(Km.sub(jm)).div(qm.sub(Xm)).add(jm))}).Else(()=>{t.assign(mn(-2).mul(bo(La(1.16,e))))}),t}).setLayout({name:"roughnessToMip",type:"float",inputs:[{name:"roughness",type:"float"}]}),tf=ln(([e,t])=>{const r=e.toVar();r.assign(La(2,r).sub(1));const s=Nn(r,1).toVar();return hn(t.equal(0),()=>{s.assign(s.zyx)}).ElseIf(t.equal(1),()=>{s.assign(s.xzy),s.xz.mulAssign(-1)}).ElseIf(t.equal(2),()=>{s.x.mulAssign(-1)}).ElseIf(t.equal(3),()=>{s.assign(s.zyx),s.xz.mulAssign(-1)}).ElseIf(t.equal(4),()=>{s.assign(s.xzy),s.xy.mulAssign(-1)}).ElseIf(t.equal(5),()=>{s.z.mulAssign(-1)}),s}).setLayout({name:"getDirection",type:"vec3",inputs:[{name:"uv",type:"vec2"},{name:"face",type:"float"}]}),rf=ln(([e,t,r,s,i,n])=>{const a=mn(r),o=Nn(t),u=ou(ef(a),Gm,n),l=So(u),d=_o(u),c=Nn(sf(e,o,d,s,i,n)).toVar();return hn(l.notEqual(0),()=>{const t=Nn(sf(e,o,d.add(1),s,i,n)).toVar();c.assign(au(c,t,l))}),c}),sf=ln(([e,t,r,s,i,n])=>{const a=mn(r).toVar(),o=Nn(t),u=mn(Zm(o)).toVar(),l=mn(qo(Ym.sub(a),0)).toVar();a.assign(qo(a,Ym));const d=mn(fo(a)).toVar(),c=xn(Jm(o,u).mul(d.sub(2)).add(1)).toVar();return hn(u.greaterThan(2),()=>{c.y.addAssign(d),u.subAssign(3)}),c.x.addAssign(u.mul(d)),c.x.addAssign(l.mul(La(3,Qm))),c.y.addAssign(La(4,fo(n).sub(d))),c.x.mulAssign(s),c.y.mulAssign(i),e.sample(c).grad(xn(),xn())}),nf=ln(({envMap:e,mipInt:t,outputDirection:r,theta:s,axis:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:a,CUBEUV_MAX_MIP:o})=>{const u=Eo(s),l=r.mul(u).add(i.cross(r).mul(Ro(s))).add(i.mul(i.dot(r).mul(u.oneMinus())));return sf(e,l,t,n,a,o)}),af=ln(({n:e,latitudinal:t,poleAxis:r,outputDirection:s,weights:i,samples:n,dTheta:a,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})=>{const h=Nn(xu(t,r,Zo(r,s))).toVar();hn(h.equal(Nn(0)),()=>{h.assign(Nn(s.z,0,s.x.negate()))}),h.assign(No(h));const p=Nn().toVar();return p.addAssign(i.element(0).mul(nf({theta:0,axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),Rp({start:fn(1),end:e},({i:e})=>{hn(e.greaterThanEqual(n),()=>{Ep()});const t=mn(a.mul(mn(e))).toVar();p.addAssign(i.element(e).mul(nf({theta:t.mul(-1),axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),p.addAssign(i.element(e).mul(nf({theta:t,axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})))}),An(p,1)}),of=ln(([e])=>{const t=yn(e).toVar();return t.assign(t.shiftLeft(yn(16)).bitOr(t.shiftRight(yn(16)))),t.assign(t.bitAnd(yn(1431655765)).shiftLeft(yn(1)).bitOr(t.bitAnd(yn(2863311530)).shiftRight(yn(1)))),t.assign(t.bitAnd(yn(858993459)).shiftLeft(yn(2)).bitOr(t.bitAnd(yn(3435973836)).shiftRight(yn(2)))),t.assign(t.bitAnd(yn(252645135)).shiftLeft(yn(4)).bitOr(t.bitAnd(yn(4042322160)).shiftRight(yn(4)))),t.assign(t.bitAnd(yn(16711935)).shiftLeft(yn(8)).bitOr(t.bitAnd(yn(4278255360)).shiftRight(yn(8)))),mn(t).mul(2.3283064365386963e-10)}),uf=ln(([e,t])=>xn(mn(e).div(mn(t)),of(e))),lf=ln(([e,t,r])=>{const s=r.mul(r).toConst(),i=Nn(1,0,0).toConst(),n=Zo(t,i).toConst(),a=xo(e.x).toConst(),o=La(2,3.14159265359).mul(e.y).toConst(),u=a.mul(Eo(o)).toConst(),l=a.mul(Ro(o)).toVar(),d=La(.5,t.z.add(1)).toConst();l.assign(d.oneMinus().mul(xo(u.mul(u).oneMinus())).add(d.mul(l)));const c=i.mul(u).add(n.mul(l)).add(t.mul(xo(qo(0,u.mul(u).add(l.mul(l)).oneMinus()))));return No(Nn(s.mul(c.x),s.mul(c.y),qo(0,c.z)))}),df=ln(({roughness:e,mipInt:t,envMap:r,N_immutable:s,GGX_SAMPLES:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:a,CUBEUV_MAX_MIP:o})=>{const u=Nn(s).toVar(),l=Nn(0).toVar(),d=mn(0).toVar();return hn(e.lessThan(.001),()=>{l.assign(sf(r,u,t,n,a,o))}).Else(()=>{const s=xu(Bo(u.z).lessThan(.999),Nn(0,0,1),Nn(1,0,0)),c=No(Zo(s,u)).toVar(),h=Zo(u,c).toVar();Rp({start:yn(0),end:i},({i:s})=>{const p=uf(s,i),g=lf(p,Nn(0,0,1),e),m=No(c.mul(g.x).add(h.mul(g.y)).add(u.mul(g.z))),f=No(m.mul(Qo(u,m).mul(2)).sub(u)),y=qo(Qo(u,f),0);hn(y.greaterThan(0),()=>{const e=sf(r,f,t,n,a,o);l.addAssign(e.mul(y)),d.addAssign(y)})}),hn(d.greaterThan(0),()=>{l.assign(l.div(d))})}),An(l,1)}),cf=[.125,.215,.35,.446,.526,.582],hf=20,pf=new _e(-1,1,1,-1,0,1),gf=new ve(90,1),mf=new e;let ff=null,yf=0,bf=0;const xf=new r,Tf=new WeakMap,_f=[3,1,5,0,4,2],vf=tf(El(),Rl("faceIndex")).normalize(),Nf=Nn(vf.x,vf.y,vf.z);class Sf{constructor(e){this._renderer=e,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._sizeLods=[],this._sigmas=[],this._lodMeshes=[],this._blurMaterial=null,this._ggxMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._backgroundBox=null}get _hasInitialized(){return this._renderer.hasInitialized()}fromScene(e,t=0,r=.1,s=100,i={}){const{size:n=256,position:a=xf,renderTarget:o=null}=i;if(this._setSize(n),!1===this._hasInitialized){d('PMREMGenerator: ".fromScene()" called before the backend is initialized. Try using "await renderer.init()" instead.');const n=o||this._allocateTarget();return i.renderTarget=n,this.fromSceneAsync(e,t,r,s,i),n}ff=this._renderer.getRenderTarget(),yf=this._renderer.getActiveCubeFace(),bf=this._renderer.getActiveMipmapLevel();const u=o||this._allocateTarget();return u.depthBuffer=!0,this._init(u),this._sceneToCubeUV(e,r,s,u,a),t>0&&this._blur(u,0,0,t),this._applyPMREM(u),this._cleanup(u),u}async fromSceneAsync(e,t=0,r=.1,s=100,i={}){return v('PMREMGenerator: ".fromSceneAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this.fromScene(e,t,r,s,i)}fromEquirectangular(e,t=null){if(!1===this._hasInitialized){d('PMREMGenerator: .fromEquirectangular() called before the backend is initialized. Try using "await renderer.init()" instead.'),this._setSizeFromTexture(e);const r=t||this._allocateTarget();return this.fromEquirectangularAsync(e,r),r}return this._fromTexture(e,t)}async fromEquirectangularAsync(e,t=null){return v('PMREMGenerator: ".fromEquirectangularAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this._fromTexture(e,t)}fromCubemap(e,t=null){if(!1===this._hasInitialized){d("PMREMGenerator: .fromCubemap() called before the backend is initialized. Try using .fromCubemapAsync() instead."),this._setSizeFromTexture(e);const r=t||this._allocateTarget();return this.fromCubemapAsync(e,t),r}return this._fromTexture(e,t)}async fromCubemapAsync(e,t=null){return v('PMREMGenerator: ".fromCubemapAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this._fromTexture(e,t)}async compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=wf(),await this._compileMaterial(this._cubemapMaterial))}async compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=Cf(),await this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose(),null!==this._backgroundBox&&(this._backgroundBox.geometry.dispose(),this._backgroundBox.material.dispose())}_setSizeFromTexture(e){e.mapping===P||e.mapping===D?this._setSize(0===e.image.length?16:e.image[0].width||e.image[0].image.width):this._setSize(e.image.width/4)}_setSize(e){this._lodMax=Math.floor(Math.log2(e)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._ggxMaterial&&this._ggxMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let e=0;e<this._lodMeshes.length;e++)this._lodMeshes[e].geometry.dispose()}_cleanup(e){this._renderer.setRenderTarget(ff,yf,bf),e.scissorTest=!1,Ef(e,0,0,e.width,e.height)}_fromTexture(e,t){this._setSizeFromTexture(e),ff=this._renderer.getRenderTarget(),yf=this._renderer.getActiveCubeFace(),bf=this._renderer.getActiveMipmapLevel();const r=t||this._allocateTarget();return this._init(r),this._textureToCubeUV(e,r),this._applyPMREM(r),this._cleanup(r),r}_allocateTarget(){return Rf(3*Math.max(this._cubeSize,112),4*this._cubeSize)}_init(e){if(null===this._pingPongRenderTarget||this._pingPongRenderTarget.width!==e.width||this._pingPongRenderTarget.height!==e.height){null!==this._pingPongRenderTarget&&this._dispose(),this._pingPongRenderTarget=Rf(e.width,e.height);const{_lodMax:t}=this;({lodMeshes:this._lodMeshes,sizeLods:this._sizeLods,sigmas:this._sigmas}=function(e){const t=[],r=[],s=[];let i=e;const n=e-4+1+cf.length;for(let a=0;a<n;a++){const n=Math.pow(2,i);t.push(n);let o=1/n;a>e-4?o=cf[a-e+4-1]:0===a&&(o=0),r.push(o);const u=1/(n-2),l=-u,d=1+u,c=[l,l,d,l,d,d,l,l,d,d,l,d],h=6,p=6,g=3,m=2,f=1,y=new Float32Array(g*p*h),b=new Float32Array(m*p*h),x=new Float32Array(f*p*h);for(let e=0;e<h;e++){const t=e%3*2/3-1,r=e>2?0:-1,s=[t,r,0,t+2/3,r,0,t+2/3,r+1,0,t,r,0,t+2/3,r+1,0,t,r+1,0],i=_f[e];y.set(s,g*p*i),b.set(c,m*p*i);const n=[i,i,i,i,i,i];x.set(n,f*p*i)}const T=new Te;T.setAttribute("position",new Ee(y,g)),T.setAttribute("uv",new Ee(b,m)),T.setAttribute("faceIndex",new Ee(x,f)),s.push(new ne(T,null)),i>4&&i--}return{lodMeshes:s,sizeLods:t,sigmas:r}}(t)),this._blurMaterial=function(e,t,s){const i=Gl(new Array(hf).fill(0)),n=va(new r(0,1,0)),a=va(0),o=mn(hf),u=va(0),l=va(1),d=Dl(),c=va(0),h=mn(1/t),p=mn(1/s),g=mn(e),m={n:o,latitudinal:u,weights:i,poleAxis:n,outputDirection:Nf,dTheta:a,samples:l,envMap:d,mipInt:c,CUBEUV_TEXEL_WIDTH:h,CUBEUV_TEXEL_HEIGHT:p,CUBEUV_MAX_MIP:g},f=Af("blur");return f.fragmentNode=af({...m,latitudinal:u.equal(1)}),Tf.set(f,m),f}(t,e.width,e.height),this._ggxMaterial=function(e,t,r){const s=Dl(),i=va(0),n=va(0),a=mn(1/t),o=mn(1/r),u=mn(e),l={envMap:s,roughness:i,mipInt:n,CUBEUV_TEXEL_WIDTH:a,CUBEUV_TEXEL_HEIGHT:o,CUBEUV_MAX_MIP:u},d=Af("ggx");return d.fragmentNode=df({...l,N_immutable:Nf,GGX_SAMPLES:yn(512)}),Tf.set(d,l),d}(t,e.width,e.height)}}async _compileMaterial(e){const t=new ne(new Te,e);await this._renderer.compile(t,pf)}_sceneToCubeUV(e,t,r,s,i){const n=gf;n.near=t,n.far=r;const a=[1,1,1,1,-1,1],o=[1,-1,1,-1,1,-1],u=this._renderer,l=u.autoClear;u.getClearColor(mf),u.autoClear=!1,null===this._backgroundBox&&(this._backgroundBox=new ne(new ie,new ge({name:"PMREM.Background",side:M,depthWrite:!1,depthTest:!1})));const d=this._backgroundBox,c=d.material;let h=!1;const p=e.background;p?p.isColor&&(c.color.copy(p),e.background=null,h=!0):(c.color.copy(mf),h=!0),u.setRenderTarget(s),u.clear(),h&&u.render(d,n);for(let t=0;t<6;t++){const r=t%3;0===r?(n.up.set(0,a[t],0),n.position.set(i.x,i.y,i.z),n.lookAt(i.x+o[t],i.y,i.z)):1===r?(n.up.set(0,0,a[t]),n.position.set(i.x,i.y,i.z),n.lookAt(i.x,i.y+o[t],i.z)):(n.up.set(0,a[t],0),n.position.set(i.x,i.y,i.z),n.lookAt(i.x,i.y,i.z+o[t]));const l=this._cubeSize;Ef(s,r*l,t>2?l:0,l,l),u.render(e,n)}u.autoClear=l,e.background=p}_textureToCubeUV(e,t){const r=this._renderer,s=e.mapping===P||e.mapping===D;s?null===this._cubemapMaterial&&(this._cubemapMaterial=wf(e)):null===this._equirectMaterial&&(this._equirectMaterial=Cf(e));const i=s?this._cubemapMaterial:this._equirectMaterial;i.fragmentNode.value=e;const n=this._lodMeshes[0];n.material=i;const a=this._cubeSize;Ef(t,0,0,3*a,2*a),r.setRenderTarget(t),r.render(n,pf)}_applyPMREM(e){const t=this._renderer,r=t.autoClear;t.autoClear=!1;const s=this._lodMeshes.length;for(let t=1;t<s;t++)this._applyGGXFilter(e,t-1,t);t.autoClear=r}_applyGGXFilter(e,t,r){const s=this._renderer,i=this._pingPongRenderTarget,n=this._ggxMaterial,a=this._lodMeshes[r];a.material=n;const o=Tf.get(n),u=r/(this._lodMeshes.length-1),l=t/(this._lodMeshes.length-1),d=Math.sqrt(u*u-l*l)*(0+1.25*u),{_lodMax:c}=this,h=this._sizeLods[r],p=3*h*(r>c-4?r-c+4:0),g=4*(this._cubeSize-h);e.texture.frame=(e.texture.frame||0)+1,o.envMap.value=e.texture,o.roughness.value=d,o.mipInt.value=c-t,Ef(i,p,g,3*h,2*h),s.setRenderTarget(i),s.render(a,pf),i.texture.frame=(i.texture.frame||0)+1,o.envMap.value=i.texture,o.roughness.value=0,o.mipInt.value=c-r,Ef(e,p,g,3*h,2*h),s.setRenderTarget(e),s.render(a,pf)}_blur(e,t,r,s,i){const n=this._pingPongRenderTarget;this._halfBlur(e,n,t,r,s,"latitudinal",i),this._halfBlur(n,e,r,r,s,"longitudinal",i)}_halfBlur(e,t,r,s,i,n,a){const u=this._renderer,l=this._blurMaterial;"latitudinal"!==n&&"longitudinal"!==n&&o("blur direction must be either latitudinal or longitudinal!");const c=this._lodMeshes[s];c.material=l;const h=Tf.get(l),p=this._sizeLods[r]-1,g=isFinite(i)?Math.PI/(2*p):2*Math.PI/39,m=i/g,f=isFinite(i)?1+Math.floor(3*m):hf;f>hf&&d(`sigmaRadians, ${i}, is too large and will clip, as it requested ${f} samples when the maximum is set to 20`);const y=[];let b=0;for(let e=0;e<hf;++e){const t=e/m,r=Math.exp(-t*t/2);y.push(r),0===e?b+=r:e<f&&(b+=2*r)}for(let e=0;e<y.length;e++)y[e]=y[e]/b;e.texture.frame=(e.texture.frame||0)+1,h.envMap.value=e.texture,h.samples.value=f,h.weights.array=y,h.latitudinal.value="latitudinal"===n?1:0,a&&(h.poleAxis.value=a);const{_lodMax:x}=this;h.dTheta.value=g,h.mipInt.value=x-r;const T=this._sizeLods[s];Ef(t,3*T*(s>x-4?s-x+4:0),4*(this._cubeSize-T),3*T,2*T),u.setRenderTarget(t),u.render(c,pf)}}function Rf(e,t){const r=new se(e,t,{magFilter:oe,minFilter:oe,generateMipmaps:!1,type:be,format:Se,colorSpace:Ne});return r.texture.mapping=Re,r.texture.name="PMREM.cubeUv",r.texture.isPMREMTexture=!0,r.scissorTest=!0,r}function Ef(e,t,r,s,i){e.viewport.set(t,r,s,i),e.scissor.set(t,r,s,i)}function Af(e){const t=new mg;return t.depthTest=!1,t.depthWrite=!1,t.blending=ee,t.name=`PMREM_${e}`,t}function wf(e){const t=Af("cubemap");return t.fragmentNode=Mc(e,Nf),t}function Cf(e){const t=Af("equirect");return t.fragmentNode=Dl(e,Sg(Nf),0),t}const Mf=new WeakMap;function Bf(e,t,r){const s=function(e){let t=Mf.get(e);void 0===t&&(t=new WeakMap,Mf.set(e,t));return t}(t);let i=s.get(e);if((void 0!==i?i.pmremVersion:-1)!==e.pmremVersion){const t=e.image;if(e.isCubeTexture){if(!function(e){if(null==e)return!1;let t=0;const r=6;for(let s=0;s<r;s++)void 0!==e[s]&&t++;return t===r}(t))return null;i=r.fromCubemap(e,i)}else{if(!function(e){return null!=e&&e.height>0}(t))return null;i=r.fromEquirectangular(e,i)}i.pmremVersion=e.pmremVersion,s.set(e,i)}return i.texture}class Ff extends hi{static get type(){return"PMREMNode"}constructor(e,t=null,r=null){super("vec3"),this._value=e,this._pmrem=null,this.uvNode=t,this.levelNode=r,this._generator=null;const s=new N;s.isRenderTargetTexture=!0,this._texture=Dl(s),this._width=va(0),this._height=va(0),this._maxMip=va(0),this.updateBeforeType=ei.RENDER}set value(e){this._value=e,this._pmrem=null}get value(){return this._value}updateFromTexture(e){const t=function(e){const t=Math.log2(e)-2,r=1/e;return{texelWidth:1/(3*Math.max(Math.pow(2,t),112)),texelHeight:r,maxMip:t}}(e.image.height);this._texture.value=e,this._width.value=t.texelWidth,this._height.value=t.texelHeight,this._maxMip.value=t.maxMip}updateBefore(e){let t=this._pmrem;const r=t?t.pmremVersion:-1,s=this._value;r!==s.pmremVersion&&(t=!0===s.isPMREMTexture?s:Bf(s,e.renderer,this._generator),null!==t&&(this._pmrem=t,this.updateFromTexture(t)))}setup(e){null===this._generator&&(this._generator=new Sf(e.renderer)),this.updateBefore(e);let t=this.uvNode;null===t&&e.context.getUV&&(t=e.context.getUV(this,e)),t=vc.mul(Nn(t.x,t.y.negate(),t.z));let r=this.levelNode;return null===r&&e.context.getTextureLevel&&(r=e.context.getTextureLevel(this)),rf(this._texture,t,r,this._width,this._height,this._maxMip)}dispose(){super.dispose(),null!==this._generator&&this._generator.dispose()}}const Lf=sn(Ff).setParameterLength(1,3),Pf=new WeakMap;class Df extends Fp{static get type(){return"EnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){const{material:t}=e;let r=this.envNode;if(r.isTextureNode||r.isMaterialReferenceNode){const s=r.isTextureNode?r.value:t[r.property],i=this._getPMREMNodeCache(e.renderer);let n=i.get(s);void 0===n&&(n=Lf(s),i.set(s,n)),r=n}const s=!0===t.useAnisotropy||t.anisotropy>0?uh:dc,i=r.context(Uf(zn,s)).mul(_c),n=r.context(If(cc)).mul(Math.PI).mul(_c),a=ol(i),o=ol(n);e.context.radiance.addAssign(a),e.context.iblIrradiance.addAssign(o);const u=e.context.lightingModel.clearcoatRadiance;if(u){const e=r.context(Uf(Hn,hc)).mul(_c),t=ol(e);u.addAssign(t)}}_getPMREMNodeCache(e){let t=Pf.get(e);return void 0===t&&(t=new WeakMap,Pf.set(e,t)),t}}const Uf=(e,t)=>{let r=null;return{getUV:()=>(null===r&&(r=ec.negate().reflect(t),r=ru(e).mix(r,t).normalize(),r=r.transformDirection(_d)),r),getTextureLevel:()=>e}},If=e=>({getUV:()=>e,getTextureLevel:()=>mn(1)}),Of=new Ae;class Vf extends mg{static get type(){return"MeshStandardNodeMaterial"}constructor(e){super(),this.isMeshStandardNodeMaterial=!0,this.lights=!0,this.emissiveNode=null,this.metalnessNode=null,this.roughnessNode=null,this.setDefaultValues(Of),this.setValues(e)}setupEnvironment(e){let t=super.setupEnvironment(e);return null===t&&e.environmentNode&&(t=e.environmentNode),t?new Df(t):null}setupLightingModel(){return new Vm}setupSpecular(){const e=au(Nn(.04),Vn.rgb,$n);ta.assign(Nn(.04)),ra.assign(e),sa.assign(1)}setupVariants(){const e=this.metalnessNode?mn(this.metalnessNode):Mh;$n.assign(e);let t=this.roughnessNode?mn(this.roughnessNode):Ch;t=jg({roughness:t}),zn.assign(t),this.setupSpecular(),kn.assign(Vn.rgb.mul(e.oneMinus()))}copy(e){return this.emissiveNode=e.emissiveNode,this.metalnessNode=e.metalnessNode,this.roughnessNode=e.roughnessNode,super.copy(e)}}const kf=new we;class Gf extends Vf{static get type(){return"MeshPhysicalNodeMaterial"}constructor(e){super(),this.isMeshPhysicalNodeMaterial=!0,this.clearcoatNode=null,this.clearcoatRoughnessNode=null,this.clearcoatNormalNode=null,this.sheenNode=null,this.sheenRoughnessNode=null,this.iridescenceNode=null,this.iridescenceIORNode=null,this.iridescenceThicknessNode=null,this.specularIntensityNode=null,this.specularColorNode=null,this.iorNode=null,this.transmissionNode=null,this.thicknessNode=null,this.attenuationDistanceNode=null,this.attenuationColorNode=null,this.dispersionNode=null,this.anisotropyNode=null,this.setDefaultValues(kf),this.setValues(e)}get useClearcoat(){return this.clearcoat>0||null!==this.clearcoatNode}get useIridescence(){return this.iridescence>0||null!==this.iridescenceNode}get useSheen(){return this.sheen>0||null!==this.sheenNode}get useAnisotropy(){return this.anisotropy>0||null!==this.anisotropyNode}get useTransmission(){return this.transmission>0||null!==this.transmissionNode}get useDispersion(){return this.dispersion>0||null!==this.dispersionNode}setupSpecular(){const e=this.iorNode?mn(this.iorNode):Wh;la.assign(e),ta.assign(Ho(eu(la.sub(1).div(la.add(1))).mul(Eh),Nn(1)).mul(Rh)),ra.assign(au(ta,Vn.rgb,$n)),sa.assign(au(Rh,1,$n))}setupLightingModel(){return new Vm(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion)}setupVariants(e){if(super.setupVariants(e),this.useClearcoat){const e=this.clearcoatNode?mn(this.clearcoatNode):Fh,t=this.clearcoatRoughnessNode?mn(this.clearcoatRoughnessNode):Lh;Wn.assign(e),Hn.assign(jg({roughness:t}))}if(this.useSheen){const e=this.sheenNode?Nn(this.sheenNode):Uh,t=this.sheenRoughnessNode?mn(this.sheenRoughnessNode):Ih;qn.assign(e),jn.assign(t)}if(this.useIridescence){const e=this.iridescenceNode?mn(this.iridescenceNode):Vh,t=this.iridescenceIORNode?mn(this.iridescenceIORNode):kh,r=this.iridescenceThicknessNode?mn(this.iridescenceThicknessNode):Gh;Xn.assign(e),Kn.assign(t),Yn.assign(r)}if(this.useAnisotropy){const e=(this.anisotropyNode?xn(this.anisotropyNode):Oh).toVar();Zn.assign(e.length()),hn(Zn.equal(0),()=>{e.assign(xn(1,0))}).Else(()=>{e.divAssign(xn(Zn)),Zn.assign(Zn.saturate())}),Qn.assign(Zn.pow2().mix(zn.pow2(),1)),Jn.assign(ah[0].mul(e.x).add(ah[1].mul(e.y))),ea.assign(ah[1].mul(e.x).sub(ah[0].mul(e.y)))}if(this.useTransmission){const e=this.transmissionNode?mn(this.transmissionNode):zh,t=this.thicknessNode?mn(this.thicknessNode):$h,r=this.attenuationDistanceNode?mn(this.attenuationDistanceNode):Hh,s=this.attenuationColorNode?Nn(this.attenuationColorNode):qh;if(da.assign(e),ca.assign(t),ha.assign(r),pa.assign(s),this.useDispersion){const e=this.dispersionNode?mn(this.dispersionNode):Jh;ga.assign(e)}}}setupClearcoatNormal(){return this.clearcoatNormalNode?Nn(this.clearcoatNormalNode):Ph}setup(e){e.context.setupClearcoatNormal=()=>Lu(this.setupClearcoatNormal(e),"NORMAL","vec3"),super.setup(e)}copy(e){return this.clearcoatNode=e.clearcoatNode,this.clearcoatRoughnessNode=e.clearcoatRoughnessNode,this.clearcoatNormalNode=e.clearcoatNormalNode,this.sheenNode=e.sheenNode,this.sheenRoughnessNode=e.sheenRoughnessNode,this.iridescenceNode=e.iridescenceNode,this.iridescenceIORNode=e.iridescenceIORNode,this.iridescenceThicknessNode=e.iridescenceThicknessNode,this.specularIntensityNode=e.specularIntensityNode,this.specularColorNode=e.specularColorNode,this.iorNode=e.iorNode,this.transmissionNode=e.transmissionNode,this.thicknessNode=e.thicknessNode,this.attenuationDistanceNode=e.attenuationDistanceNode,this.attenuationColorNode=e.attenuationColorNode,this.dispersionNode=e.dispersionNode,this.anisotropyNode=e.anisotropyNode,super.copy(e)}}class zf extends Vm{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1,a=!1){super(e,t,r,s,i,n),this.useSSS=a}direct({lightDirection:e,lightColor:t,reflectedLight:r},s){if(!0===this.useSSS){const i=s.material,{thicknessColorNode:n,thicknessDistortionNode:a,thicknessAmbientNode:o,thicknessAttenuationNode:u,thicknessPowerNode:l,thicknessScaleNode:d}=i,c=e.add(dc.mul(a)).normalize(),h=mn(ec.dot(c.negate()).saturate().pow(l).mul(d)),p=Nn(h.add(o).mul(n));r.directDiffuse.addAssign(p.mul(u.mul(t)))}super.direct({lightDirection:e,lightColor:t,reflectedLight:r},s)}}class $f extends Gf{static get type(){return"MeshSSSNodeMaterial"}constructor(e){super(e),this.thicknessColorNode=null,this.thicknessDistortionNode=mn(.1),this.thicknessAmbientNode=mn(0),this.thicknessAttenuationNode=mn(.1),this.thicknessPowerNode=mn(2),this.thicknessScaleNode=mn(10)}get useSSS(){return null!==this.thicknessColorNode}setupLightingModel(){return new zf(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion,this.useSSS)}copy(e){return this.thicknessColorNode=e.thicknessColorNode,this.thicknessDistortionNode=e.thicknessDistortionNode,this.thicknessAmbientNode=e.thicknessAmbientNode,this.thicknessAttenuationNode=e.thicknessAttenuationNode,this.thicknessPowerNode=e.thicknessPowerNode,this.thicknessScaleNode=e.thicknessScaleNode,super.copy(e)}}const Wf=ln(({normal:e,lightDirection:t,builder:r})=>{const s=e.dot(t),i=xn(s.mul(.5).add(.5),0);if(r.material.gradientMap){const e=Uc("gradientMap","texture").context({getUV:()=>i});return Nn(e.r)}{const e=i.fwidth().mul(.5);return au(Nn(.7),Nn(1),du(mn(.7).sub(e.x),mn(.7).add(e.x),i.x))}});class Hf extends Lg{direct({lightDirection:e,lightColor:t,reflectedLight:r},s){const i=Wf({normal:nc,lightDirection:e,builder:s}).mul(t);r.directDiffuse.addAssign(i.mul(Og({diffuseColor:Vn.rgb})))}indirect(e){const{ambientOcclusion:t,irradiance:r,reflectedLight:s}=e.context;s.indirectDiffuse.addAssign(r.mul(Og({diffuseColor:Vn}))),s.indirectDiffuse.mulAssign(t)}}const qf=new Ce;class jf extends mg{static get type(){return"MeshToonNodeMaterial"}constructor(e){super(),this.isMeshToonNodeMaterial=!0,this.lights=!0,this.setDefaultValues(qf),this.setValues(e)}setupLightingModel(){return new Hf}}const Xf=ln(()=>{const e=Nn(ec.z,0,ec.x.negate()).normalize(),t=ec.cross(e);return xn(e.dot(dc),t.dot(dc)).mul(.495).add(.5)}).once(["NORMAL","VERTEX"])().toVar("matcapUV"),Kf=new Me;class Yf extends mg{static get type(){return"MeshMatcapNodeMaterial"}constructor(e){super(),this.isMeshMatcapNodeMaterial=!0,this.setDefaultValues(Kf),this.setValues(e)}setupVariants(e){const t=Xf;let r;r=e.material.matcap?Uc("matcap","texture").context({getUV:()=>t}):Nn(au(.2,.8,t.y)),Vn.rgb.mulAssign(r.rgb)}}class Qf extends hi{static get type(){return"RotateNode"}constructor(e,t){super(),this.positionNode=e,this.rotationNode=t}getNodeType(e){return this.positionNode.getNodeType(e)}setup(e){const{rotationNode:t,positionNode:r}=this;if("vec2"===this.getNodeType(e)){const e=t.cos(),s=t.sin();return Bn(e,s,s.negate(),e).mul(r)}{const e=t,s=Ln(An(1,0,0,0),An(0,Eo(e.x),Ro(e.x).negate(),0),An(0,Ro(e.x),Eo(e.x),0),An(0,0,0,1)),i=Ln(An(Eo(e.y),0,Ro(e.y),0),An(0,1,0,0),An(Ro(e.y).negate(),0,Eo(e.y),0),An(0,0,0,1)),n=Ln(An(Eo(e.z),Ro(e.z).negate(),0,0),An(Ro(e.z),Eo(e.z),0,0),An(0,0,1,0),An(0,0,0,1));return s.mul(i).mul(n).mul(An(r,1)).xyz}}}const Zf=sn(Qf).setParameterLength(2),Jf=new Be;class ey extends mg{static get type(){return"SpriteNodeMaterial"}constructor(e){super(),this.isSpriteNodeMaterial=!0,this._useSizeAttenuation=!0,this.positionNode=null,this.rotationNode=null,this.scaleNode=null,this.transparent=!0,this.setDefaultValues(Jf),this.setValues(e)}setupPositionView(e){const{object:t,camera:r}=e,{positionNode:s,rotationNode:i,scaleNode:n,sizeAttenuation:a}=this,o=$d.mul(Nn(s||0));let u=xn(Ud[0].xyz.length(),Ud[1].xyz.length());null!==n&&(u=u.mul(xn(n))),r.isPerspectiveCamera&&!1===a&&(u=u.mul(o.z.negate()));let l=Xd.xy;if(t.center&&!0===t.center.isVector2){const e=((e,t,r)=>new Wu(e,t,r))("center","vec2",t);l=l.sub(e.sub(.5))}l=l.mul(u);const d=mn(i||Dh),c=Zf(l,d);return An(o.xy.add(c),o.zw)}copy(e){return this.positionNode=e.positionNode,this.rotationNode=e.rotationNode,this.scaleNode=e.scaleNode,super.copy(e)}get sizeAttenuation(){return this._useSizeAttenuation}set sizeAttenuation(e){this._useSizeAttenuation!==e&&(this._useSizeAttenuation=e,this.needsUpdate=!0)}}const ty=new Fe,ry=new t;class sy extends ey{static get type(){return"PointsNodeMaterial"}constructor(e){super(),this.sizeNode=null,this.isPointsNodeMaterial=!0,this.setDefaultValues(ty),this.setValues(e)}setupPositionView(){const{positionNode:e}=this;return $d.mul(Nn(e||Kd)).xyz}setupVertexSprite(e){const{material:t,camera:r}=e,{rotationNode:s,scaleNode:i,sizeNode:n,sizeAttenuation:a}=this;let o=super.setupVertex(e);if(!0!==t.isNodeMaterial)return o;let u=null!==n?xn(n):Zh;u=u.mul(jl),r.isPerspectiveCamera&&!0===a&&(u=u.mul(iy.div(Jd.z.negate()))),i&&i.isNode&&(u=u.mul(xn(i)));let l=Xd.xy;if(s&&s.isNode){const e=mn(s);l=Zf(l,e)}return l=l.mul(u),l=l.div(Zl.div(2)),l=l.mul(o.w),o=o.add(An(l,0,0)),o}setupVertex(e){return e.object.isPoints?super.setupVertex(e):this.setupVertexSprite(e)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}const iy=va(1).onFrameUpdate(function({renderer:e}){const t=e.getSize(ry);this.value=.5*t.y});class ny extends Lg{constructor(){super(),this.shadowNode=mn(1).toVar("shadowMask")}direct({lightNode:e}){null!==e.shadowNode&&this.shadowNode.mulAssign(e.shadowNode)}finish({context:e}){Vn.a.mulAssign(this.shadowNode.oneMinus()),e.outgoingLight.rgb.assign(Vn.rgb)}}const ay=new Le;class oy extends mg{static get type(){return"ShadowNodeMaterial"}constructor(e){super(),this.isShadowNodeMaterial=!0,this.lights=!0,this.transparent=!0,this.setDefaultValues(ay),this.setValues(e)}setupLightingModel(){return new ny}}const uy=In("vec3"),ly=In("vec3"),dy=In("vec3");class cy extends Lg{constructor(){super()}start(e){const{material:t}=e,r=In("vec3"),s=In("vec3");hn(Sd.sub(Qd).length().greaterThan(kd.mul(2)),()=>{r.assign(Sd),s.assign(Qd)}).Else(()=>{r.assign(Qd),s.assign(Sd)});const i=s.sub(r),n=va("int").onRenderUpdate(({material:e})=>e.steps),a=i.length().div(n).toVar(),o=i.normalize().toVar(),u=mn(0).toVar(),l=Nn(1).toVar();t.offsetNode&&u.addAssign(t.offsetNode.mul(a)),Rp(n,()=>{const s=r.add(o.mul(u)),i=_d.mul(An(s,1)).xyz;let n;null!==t.depthNode&&(ly.assign(eg(Xp(i.z,yd,bd))),e.context.sceneDepthNode=eg(t.depthNode).toVar()),e.context.positionWorld=s,e.context.shadowPositionWorld=s,e.context.positionView=i,uy.assign(0),t.scatteringNode&&(n=t.scatteringNode({positionRay:s})),super.start(e),n&&uy.mulAssign(n);const d=uy.mul(.01).negate().mul(a).exp();l.mulAssign(d),u.addAssign(a)}),dy.addAssign(l.saturate().oneMinus())}scatteringLight(e,t){const r=t.context.sceneDepthNode;r?hn(r.greaterThanEqual(ly),()=>{uy.addAssign(e)}):uy.addAssign(e)}direct({lightNode:e,lightColor:t},r){if(void 0===e.light.distance)return;const s=t.xyz.toVar();s.mulAssign(e.shadowNode),this.scatteringLight(s,r)}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s},i){const n=t.add(r).sub(s),a=t.sub(r).sub(s),o=t.sub(r).add(s),u=t.add(r).add(s),l=i.context.positionView,d=e.xyz.mul(pm({P:l,p0:n,p1:a,p2:o,p3:u})).pow(1.5);this.scatteringLight(d,i)}finish(e){e.context.outgoingLight.assign(dy)}}class hy extends mg{static get type(){return"VolumeNodeMaterial"}constructor(e){super(),this.isVolumeNodeMaterial=!0,this.steps=25,this.offsetNode=null,this.scatteringNode=null,this.lights=!0,this.transparent=!0,this.side=M,this.depthTest=!1,this.depthWrite=!1,this.setValues(e)}setupLightingModel(){return new cy}}class py{constructor(e,t,r){this.renderer=e,this.nodes=t,this.info=r,this._context="undefined"!=typeof self?self:null,this._animationLoop=null,this._requestId=null}start(){const e=(t,r)=>{this._requestId=this._context.requestAnimationFrame(e),!0===this.info.autoReset&&this.info.reset(),this.nodes.nodeFrame.update(),this.info.frame=this.nodes.nodeFrame.frameId,this.renderer._inspector.begin(),null!==this._animationLoop&&this._animationLoop(t,r),this.renderer._inspector.finish()};e()}stop(){this._context.cancelAnimationFrame(this._requestId),this._requestId=null}getAnimationLoop(){return this._animationLoop}setAnimationLoop(e){this._animationLoop=e}getContext(){return this._context}setContext(e){this._context=e}dispose(){this.stop()}}class gy{constructor(){this.weakMaps={}}_getWeakMap(e){const t=e.length;let r=this.weakMaps[t];return void 0===r&&(r=new WeakMap,this.weakMaps[t]=r),r}get(e){let t=this._getWeakMap(e);for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return;return t.get(e[e.length-1])}set(e,t){let r=this._getWeakMap(e);for(let t=0;t<e.length-1;t++){const s=e[t];!1===r.has(s)&&r.set(s,new WeakMap),r=r.get(s)}return r.set(e[e.length-1],t),this}delete(e){let t=this._getWeakMap(e);for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return!1;return t.delete(e[e.length-1])}}let my=0;class fy{constructor(e,t,r,s,i,n,a,o,u,l){this.id=my++,this._nodes=e,this._geometries=t,this.renderer=r,this.object=s,this.material=i,this.scene=n,this.camera=a,this.lightsNode=o,this.context=u,this.geometry=s.geometry,this.version=i.version,this.drawRange=null,this.attributes=null,this.attributesId=null,this.pipeline=null,this.group=null,this.vertexBuffers=null,this.drawParams=null,this.bundle=null,this.clippingContext=l,this.clippingContextCacheKey=null!==l?l.cacheKey:"",this.initialNodesCacheKey=this.getDynamicCacheKey(),this.initialCacheKey=this.getCacheKey(),this._nodeBuilderState=null,this._bindings=null,this._monitor=null,this.onDispose=null,this.isRenderObject=!0,this.onMaterialDispose=()=>{this.dispose()},this.onGeometryDispose=()=>{this.attributes=null,this.attributesId=null},this.material.addEventListener("dispose",this.onMaterialDispose),this.geometry.addEventListener("dispose",this.onGeometryDispose)}updateClipping(e){this.clippingContext=e}get clippingNeedsUpdate(){return null!==this.clippingContext&&this.clippingContext.cacheKey!==this.clippingContextCacheKey&&(this.clippingContextCacheKey=this.clippingContext.cacheKey,!0)}get hardwareClippingPlanes(){return!0===this.material.hardwareClipping?this.clippingContext.unionClippingCount:0}getNodeBuilderState(){return this._nodeBuilderState||(this._nodeBuilderState=this._nodes.getForRender(this))}getMonitor(){return this._monitor||(this._monitor=this.getNodeBuilderState().observer)}getBindings(){return this._bindings||(this._bindings=this.getNodeBuilderState().createBindings())}getBindingGroup(e){for(const t of this.getBindings())if(t.name===e)return t}getIndex(){return this._geometries.getIndex(this)}getIndirect(){return this._geometries.getIndirect(this)}getIndirectOffset(){return this._geometries.getIndirectOffset(this)}getChainArray(){return[this.object,this.material,this.context,this.lightsNode]}setGeometry(e){this.geometry=e,this.attributes=null,this.attributesId=null}getAttributes(){if(null!==this.attributes)return this.attributes;const e=this.getNodeBuilderState().nodeAttributes,t=this.geometry,r=[],s=new Set,i={};for(const n of e){let e;if(n.node&&n.node.attribute?e=n.node.attribute:(e=t.getAttribute(n.name),i[n.name]=e.id),void 0===e)continue;r.push(e);const a=e.isInterleavedBufferAttribute?e.data:e;s.add(a)}return this.attributes=r,this.attributesId=i,this.vertexBuffers=Array.from(s.values()),r}getVertexBuffers(){return null===this.vertexBuffers&&this.getAttributes(),this.vertexBuffers}getDrawParameters(){const{object:e,material:t,geometry:r,group:s,drawRange:i}=this,n=this.drawParams||(this.drawParams={vertexCount:0,firstVertex:0,instanceCount:0,firstInstance:0}),a=this.getIndex(),o=null!==a;let u=1;if(!0===r.isInstancedBufferGeometry?u=r.instanceCount:void 0!==e.count&&(u=Math.max(0,e.count)),0===u)return null;if(n.instanceCount=u,!0===e.isBatchedMesh)return n;let l=1;!0!==t.wireframe||e.isPoints||e.isLineSegments||e.isLine||e.isLineLoop||(l=2);let d=i.start*l,c=(i.start+i.count)*l;null!==s&&(d=Math.max(d,s.start*l),c=Math.min(c,(s.start+s.count)*l));const h=r.attributes.position;let p=1/0;o?p=a.count:null!=h&&(p=h.count),d=Math.max(d,0),c=Math.min(c,p);const g=c-d;return g<0||g===1/0?null:(n.vertexCount=g,n.firstVertex=d,n)}getGeometryCacheKey(){const{geometry:e}=this;let t="";for(const r of Object.keys(e.attributes).sort()){const s=e.attributes[r];t+=r+",",s.data&&(t+=s.data.stride+","),s.offset&&(t+=s.offset+","),s.itemSize&&(t+=s.itemSize+","),s.normalized&&(t+="n,")}for(const r of Object.keys(e.morphAttributes).sort()){const s=e.morphAttributes[r];t+="morph-"+r+",";for(let e=0,r=s.length;e<r;e++){t+=s[e].id+","}}return e.index&&(t+="index,"),t}getMaterialCacheKey(){const{object:e,material:t,renderer:r}=this;let s=t.customProgramCacheKey();for(const e of function(e){const t=Object.keys(e);let r=Object.getPrototypeOf(e);for(;r;){const e=Object.getOwnPropertyDescriptors(r);for(const r in e)if(void 0!==e[r]){const s=e[r];s&&"function"==typeof s.get&&t.push(r)}r=Object.getPrototypeOf(r)}return t}(t)){if(/^(is[A-Z]|_)|^(visible|version|uuid|name|opacity|userData)$/.test(e))continue;const i=t[e];let n;if(null!==i){const e=typeof i;"number"===e?n=0!==i?"1":"0":"object"===e?(n="{",i.isTexture&&(n+=i.mapping,!0===r.backend.isWebGPUBackend&&(n+=i.magFilter,n+=i.minFilter,n+=i.wrapS,n+=i.wrapT,n+=i.wrapR)),n+="}"):n=String(i)}else n=String(i);s+=n+","}return s+=this.clippingContextCacheKey+",",e.geometry&&(s+=this.getGeometryCacheKey()),e.skeleton&&(s+=e.skeleton.bones.length+","),e.isBatchedMesh&&(s+=e._matricesTexture.uuid+",",null!==e._colorsTexture&&(s+=e._colorsTexture.uuid+",")),(e.isInstancedMesh||e.count>1||Array.isArray(e.morphTargetInfluences))&&(s+=e.uuid+","),s+=this.context.id+",",s+=e.receiveShadow+",",Is(s)}get needsGeometryUpdate(){if(this.geometry.id!==this.object.geometry.id)return!0;if(null!==this.attributes){const e=this.attributesId;for(const t in e){const r=this.geometry.getAttribute(t);if(void 0===r||e[t]!==r.id)return!0}}return!1}get needsUpdate(){return this.initialNodesCacheKey!==this.getDynamicCacheKey()||this.clippingNeedsUpdate}getDynamicCacheKey(){let e=0;return!0!==this.material.isShadowPassMaterial&&(e=this._nodes.getCacheKey(this.scene,this.lightsNode)),this.camera.isArrayCamera&&(e=Vs(e,this.camera.cameras.length)),this.object.receiveShadow&&(e=Vs(e,1)),e=Vs(e,this.renderer.contextNode.id,this.renderer.contextNode.version),e}getCacheKey(){return this.getMaterialCacheKey()+this.getDynamicCacheKey()}dispose(){this.material.removeEventListener("dispose",this.onMaterialDispose),this.geometry.removeEventListener("dispose",this.onGeometryDispose),this.onDispose()}}const yy=[];class by{constructor(e,t,r,s,i,n){this.renderer=e,this.nodes=t,this.geometries=r,this.pipelines=s,this.bindings=i,this.info=n,this.chainMaps={}}get(e,t,r,s,i,n,a,o){const u=this.getChainMap(o);yy[0]=e,yy[1]=t,yy[2]=n,yy[3]=i;let l=u.get(yy);return void 0===l?(l=this.createRenderObject(this.nodes,this.geometries,this.renderer,e,t,r,s,i,n,a,o),u.set(yy,l)):(l.camera=s,l.updateClipping(a),l.needsGeometryUpdate&&l.setGeometry(e.geometry),(l.version!==t.version||l.needsUpdate)&&(l.initialCacheKey!==l.getCacheKey()?(l.dispose(),l=this.get(e,t,r,s,i,n,a,o)):l.version=t.version)),yy[0]=null,yy[1]=null,yy[2]=null,yy[3]=null,l}getChainMap(e="default"){return this.chainMaps[e]||(this.chainMaps[e]=new gy)}dispose(){this.chainMaps={}}createRenderObject(e,t,r,s,i,n,a,o,u,l,d){const c=this.getChainMap(d),h=new fy(e,t,r,s,i,n,a,o,u,l);return h.onDispose=()=>{this.pipelines.delete(h),this.bindings.deleteForRender(h),this.nodes.delete(h),c.delete(h.getChainArray())},h}}class xy{constructor(){this.data=new WeakMap}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}delete(e){let t=null;return this.data.has(e)&&(t=this.data.get(e),this.data.delete(e)),t}has(e){return this.data.has(e)}dispose(){this.data=new WeakMap}}const Ty=1,_y=2,vy=3,Ny=4,Sy=16;class Ry extends xy{constructor(e){super(),this.backend=e}delete(e){const t=super.delete(e);return null!==t&&this.backend.destroyAttribute(e),t}update(e,t){const r=this.get(e);if(void 0===r.version)t===Ty?this.backend.createAttribute(e):t===_y?this.backend.createIndexAttribute(e):t===vy?this.backend.createStorageAttribute(e):t===Ny&&this.backend.createIndirectStorageAttribute(e),r.version=this._getBufferAttribute(e).version;else{const t=this._getBufferAttribute(e);(r.version<t.version||t.usage===x)&&(this.backend.updateAttribute(e),r.version=t.version)}}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}function Ey(e){return null!==e.index?e.index.version:e.attributes.position.version}function Ay(e){return null!==e.index?e.index.id:e.attributes.position.id}function wy(e){const t=[],r=e.index,s=e.attributes.position;if(null!==r){const e=r.array;for(let r=0,s=e.length;r<s;r+=3){const s=e[r+0],i=e[r+1],n=e[r+2];t.push(s,i,i,n,n,s)}}else{for(let e=0,r=s.array.length/3-1;e<r;e+=3){const r=e+0,s=e+1,i=e+2;t.push(r,s,s,i,i,r)}}const i=new(s.count>=65535?Pe:De)(t,1);return i.version=Ey(e),i.__id=Ay(e),i}class Cy extends xy{constructor(e,t){super(),this.attributes=e,this.info=t,this.wireframes=new WeakMap,this.attributeCall=new WeakMap,this._geometryDisposeListeners=new Map}has(e){const t=e.geometry;return super.has(t)&&!0===this.get(t).initialized}updateForRender(e){!1===this.has(e)&&this.initGeometry(e),this.updateAttributes(e)}initGeometry(e){const t=e.geometry;this.get(t).initialized=!0,this.info.memory.geometries++;const r=()=>{this.info.memory.geometries--;const s=t.index,i=e.getAttributes();null!==s&&this.attributes.delete(s);for(const e of i)this.attributes.delete(e);const n=this.wireframes.get(t);void 0!==n&&this.attributes.delete(n),t.removeEventListener("dispose",r),this._geometryDisposeListeners.delete(t)};t.addEventListener("dispose",r),this._geometryDisposeListeners.set(t,r)}updateAttributes(e){const t=e.getAttributes();for(const e of t)e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute?this.updateAttribute(e,vy):this.updateAttribute(e,Ty);const r=this.getIndex(e);null!==r&&this.updateAttribute(r,_y);const s=e.geometry.indirect;null!==s&&this.updateAttribute(s,Ny)}updateAttribute(e,t){const r=this.info.render.calls;e.isInterleavedBufferAttribute?void 0===this.attributeCall.get(e)?(this.attributes.update(e,t),this.attributeCall.set(e,r)):this.attributeCall.get(e.data)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e.data,r),this.attributeCall.set(e,r)):this.attributeCall.get(e)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e,r))}getIndirect(e){return e.geometry.indirect}getIndirectOffset(e){return e.geometry.indirectOffset}getIndex(e){const{geometry:t,material:r}=e;let s=t.index;if(!0===r.wireframe){const e=this.wireframes;let r=e.get(t);void 0===r?(r=wy(t),e.set(t,r)):r.version===Ey(t)&&r.__id===Ay(t)||(this.attributes.delete(r),r=wy(t),e.set(t,r)),s=r}return s}dispose(){for(const[e,t]of this._geometryDisposeListeners.entries())e.removeEventListener("dispose",t);this._geometryDisposeListeners.clear()}}class My{constructor(){this.autoReset=!0,this.frame=0,this.calls=0,this.render={calls:0,frameCalls:0,drawCalls:0,triangles:0,points:0,lines:0,timestamp:0},this.compute={calls:0,frameCalls:0,timestamp:0},this.memory={geometries:0,textures:0}}update(e,t,r){this.render.drawCalls++,e.isMesh||e.isSprite?this.render.triangles+=r*(t/3):e.isPoints?this.render.points+=r*t:e.isLineSegments?this.render.lines+=r*(t/2):e.isLine?this.render.lines+=r*(t-1):o("WebGPUInfo: Unknown object type.")}reset(){this.render.drawCalls=0,this.render.frameCalls=0,this.compute.frameCalls=0,this.render.triangles=0,this.render.points=0,this.render.lines=0}dispose(){this.reset(),this.calls=0,this.render.calls=0,this.compute.calls=0,this.render.timestamp=0,this.compute.timestamp=0,this.memory.geometries=0,this.memory.textures=0}}class By{constructor(e){this.cacheKey=e,this.usedTimes=0}}class Fy extends By{constructor(e,t,r){super(e),this.vertexProgram=t,this.fragmentProgram=r}}class Ly extends By{constructor(e,t){super(e),this.computeProgram=t,this.isComputePipeline=!0}}let Py=0;class Dy{constructor(e,t,r,s=null,i=null){this.id=Py++,this.code=e,this.stage=t,this.name=r,this.transforms=s,this.attributes=i,this.usedTimes=0}}class Uy extends xy{constructor(e,t){super(),this.backend=e,this.nodes=t,this.bindings=null,this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}getForCompute(e,t){const{backend:r}=this,s=this.get(e);if(this._needsComputeUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.computeProgram.usedTimes--);const n=this.nodes.getForCompute(e);let a=this.programs.compute.get(n.computeShader);void 0===a&&(i&&0===i.computeProgram.usedTimes&&this._releaseProgram(i.computeProgram),a=new Dy(n.computeShader,"compute",e.name,n.transforms,n.nodeAttributes),this.programs.compute.set(n.computeShader,a),r.createProgram(a));const o=this._getComputeCacheKey(e,a);let u=this.caches.get(o);void 0===u&&(i&&0===i.usedTimes&&this._releasePipeline(i),u=this._getComputePipeline(e,a,o,t)),u.usedTimes++,a.usedTimes++,s.version=e.version,s.pipeline=u}return s.pipeline}getForRender(e,t=null){const{backend:r}=this,s=this.get(e);if(this._needsRenderUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.vertexProgram.usedTimes--,i.fragmentProgram.usedTimes--);const n=e.getNodeBuilderState(),a=e.material?e.material.name:"";let o=this.programs.vertex.get(n.vertexShader);void 0===o&&(i&&0===i.vertexProgram.usedTimes&&this._releaseProgram(i.vertexProgram),o=new Dy(n.vertexShader,"vertex",a),this.programs.vertex.set(n.vertexShader,o),r.createProgram(o));let u=this.programs.fragment.get(n.fragmentShader);void 0===u&&(i&&0===i.fragmentProgram.usedTimes&&this._releaseProgram(i.fragmentProgram),u=new Dy(n.fragmentShader,"fragment",a),this.programs.fragment.set(n.fragmentShader,u),r.createProgram(u));const l=this._getRenderCacheKey(e,o,u);let d=this.caches.get(l);void 0===d?(i&&0===i.usedTimes&&this._releasePipeline(i),d=this._getRenderPipeline(e,o,u,l,t)):e.pipeline=d,d.usedTimes++,o.usedTimes++,u.usedTimes++,s.pipeline=d}return s.pipeline}delete(e){const t=this.get(e).pipeline;return t&&(t.usedTimes--,0===t.usedTimes&&this._releasePipeline(t),t.isComputePipeline?(t.computeProgram.usedTimes--,0===t.computeProgram.usedTimes&&this._releaseProgram(t.computeProgram)):(t.fragmentProgram.usedTimes--,t.vertexProgram.usedTimes--,0===t.vertexProgram.usedTimes&&this._releaseProgram(t.vertexProgram),0===t.fragmentProgram.usedTimes&&this._releaseProgram(t.fragmentProgram))),super.delete(e)}dispose(){super.dispose(),this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}updateForRender(e){this.getForRender(e)}_getComputePipeline(e,t,r,s){r=r||this._getComputeCacheKey(e,t);let i=this.caches.get(r);return void 0===i&&(i=new Ly(r,t),this.caches.set(r,i),this.backend.createComputePipeline(i,s)),i}_getRenderPipeline(e,t,r,s,i){s=s||this._getRenderCacheKey(e,t,r);let n=this.caches.get(s);return void 0===n&&(n=new Fy(s,t,r),this.caches.set(s,n),e.pipeline=n,this.backend.createRenderPipeline(e,i)),n}_getComputeCacheKey(e,t){return e.id+","+t.id}_getRenderCacheKey(e,t,r){return t.id+","+r.id+","+this.backend.getRenderCacheKey(e)}_releasePipeline(e){this.caches.delete(e.cacheKey)}_releaseProgram(e){const t=e.code,r=e.stage;this.programs[r].delete(t)}_needsComputeUpdate(e){const t=this.get(e);return void 0===t.pipeline||t.version!==e.version}_needsRenderUpdate(e){return void 0===this.get(e).pipeline||this.backend.needsRenderUpdate(e)}}class Iy extends xy{constructor(e,t,r,s,i,n){super(),this.backend=e,this.textures=r,this.pipelines=i,this.attributes=s,this.nodes=t,this.info=n,this.pipelines.bindings=this}getForRender(e){const t=e.getBindings();for(const e of t){const r=this.get(e);void 0===r.bindGroup&&(this._init(e),this.backend.createBindings(e,t,0),r.bindGroup=e)}return t}getForCompute(e){const t=this.nodes.getForCompute(e).bindings;for(const e of t){const r=this.get(e);void 0===r.bindGroup&&(this._init(e),this.backend.createBindings(e,t,0),r.bindGroup=e)}return t}updateForCompute(e){this._updateBindings(this.getForCompute(e))}updateForRender(e){this._updateBindings(this.getForRender(e))}deleteForCompute(e){const t=this.nodes.getForCompute(e).bindings;for(const e of t)this.backend.deleteBindGroupData(e),this.delete(e)}deleteForRender(e){const t=e.getBindings();for(const e of t)this.backend.deleteBindGroupData(e),this.delete(e)}_updateBindings(e){for(const t of e)this._update(t,e)}_init(e){for(const t of e.bindings)if(t.isSampledTexture)this.textures.updateTexture(t.texture);else if(t.isSampler)this.textures.updateSampler(t.texture);else if(t.isStorageBuffer){const e=t.attribute,r=e.isIndirectStorageBufferAttribute?Ny:vy;this.attributes.update(e,r)}}_update(e,t){const{backend:r}=this;let s=!1,i=!0,n=0,a=0;for(const t of e.bindings){if(!1!==this.nodes.updateGroup(t)){if(t.isStorageBuffer){const e=t.attribute,i=e.isIndirectStorageBufferAttribute?Ny:vy,n=r.get(t);this.attributes.update(e,i),n.attribute!==e&&(n.attribute=e,s=!0)}if(t.isUniformBuffer){t.update()&&r.updateBinding(t)}else if(t.isSampledTexture){const e=t.update(),o=t.texture,u=this.textures.get(o);e&&(this.textures.updateTexture(o),t.generation!==u.generation&&(t.generation=u.generation,s=!0,i=!1));if(void 0!==r.get(o).externalTexture||u.isDefaultTexture?i=!1:(n=10*n+o.id,a+=o.version),!0===o.isStorageTexture&&!0===o.mipmapsAutoUpdate){const e=this.get(o);!0===t.store?e.needsMipmap=!0:this.textures.needsMipmaps(o)&&!0===e.needsMipmap&&(this.backend.generateMipmaps(o),e.needsMipmap=!1)}}else if(t.isSampler){if(t.update()){const e=this.textures.updateSampler(t.texture);t.samplerKey!==e&&(t.samplerKey=e,s=!0,i=!1)}}t.isBuffer&&t.updateRanges.length>0&&t.clearUpdateRanges()}}!0===s&&this.backend.updateBindings(e,t,i?n:0,a)}}function Oy(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?e.z-t.z:e.id-t.id}function Vy(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?t.z-e.z:e.id-t.id}function ky(e){return(e.transmission>0||e.transmissionNode&&e.transmissionNode.isNode)&&e.side===B&&!1===e.forceSinglePass}class Gy{constructor(e,t,r){this.renderItems=[],this.renderItemsIndex=0,this.opaque=[],this.transparentDoublePass=[],this.transparent=[],this.bundles=[],this.lightsNode=e.getNode(t,r),this.lightsArray=[],this.scene=t,this.camera=r,this.occlusionQueryCount=0}begin(){return this.renderItemsIndex=0,this.opaque.length=0,this.transparentDoublePass.length=0,this.transparent.length=0,this.bundles.length=0,this.lightsArray.length=0,this.occlusionQueryCount=0,this}getNextRenderItem(e,t,r,s,i,n,a){let o=this.renderItems[this.renderItemsIndex];return void 0===o?(o={id:e.id,object:e,geometry:t,material:r,groupOrder:s,renderOrder:e.renderOrder,z:i,group:n,clippingContext:a},this.renderItems[this.renderItemsIndex]=o):(o.id=e.id,o.object=e,o.geometry=t,o.material=r,o.groupOrder=s,o.renderOrder=e.renderOrder,o.z=i,o.group=n,o.clippingContext=a),this.renderItemsIndex++,o}push(e,t,r,s,i,n,a){const o=this.getNextRenderItem(e,t,r,s,i,n,a);!0===e.occlusionTest&&this.occlusionQueryCount++,!0===r.transparent||r.transmission>0||r.transmissionNode&&r.transmissionNode.isNode||r.backdropNode&&r.backdropNode.isNode?(ky(r)&&this.transparentDoublePass.push(o),this.transparent.push(o)):this.opaque.push(o)}unshift(e,t,r,s,i,n,a){const o=this.getNextRenderItem(e,t,r,s,i,n,a);!0===r.transparent||r.transmission>0||r.transmissionNode&&r.transmissionNode.isNode||r.backdropNode&&r.backdropNode.isNode?(ky(r)&&this.transparentDoublePass.unshift(o),this.transparent.unshift(o)):this.opaque.unshift(o)}pushBundle(e){this.bundles.push(e)}pushLight(e){this.lightsArray.push(e)}sort(e,t){this.opaque.length>1&&this.opaque.sort(e||Oy),this.transparentDoublePass.length>1&&this.transparentDoublePass.sort(t||Vy),this.transparent.length>1&&this.transparent.sort(t||Vy)}finish(){this.lightsNode.setLights(this.lightsArray);for(let e=this.renderItemsIndex,t=this.renderItems.length;e<t;e++){const t=this.renderItems[e];if(null===t.id)break;t.id=null,t.object=null,t.geometry=null,t.material=null,t.groupOrder=null,t.renderOrder=null,t.z=null,t.group=null,t.clippingContext=null}}}const zy=[];class $y{constructor(e){this.lighting=e,this.lists=new gy}get(e,t){const r=this.lists;zy[0]=e,zy[1]=t;let s=r.get(zy);return void 0===s&&(s=new Gy(this.lighting,e,t),r.set(zy,s)),zy[0]=null,zy[1]=null,s}dispose(){this.lists=new gy}}let Wy=0;class Hy{constructor(){this.id=Wy++,this.mrt=null,this.color=!0,this.clearColor=!0,this.clearColorValue={r:0,g:0,b:0,a:1},this.depth=!0,this.clearDepth=!0,this.clearDepthValue=1,this.stencil=!1,this.clearStencil=!0,this.clearStencilValue=1,this.viewport=!1,this.viewportValue=new s,this.scissor=!1,this.scissorValue=new s,this.renderTarget=null,this.textures=null,this.depthTexture=null,this.activeCubeFace=0,this.activeMipmapLevel=0,this.sampleCount=1,this.width=0,this.height=0,this.occlusionQueryCount=0,this.clippingContext=null,this.camera=null,this.isRenderContext=!0}getCacheKey(){return qy(this)}}function qy(e){const{textures:t,activeCubeFace:r,activeMipmapLevel:s}=e,i=[r,s];for(const e of t)i.push(e.id);return Os(i)}class jy{constructor(e){this.renderer=e,this._renderContexts={}}get(e=null,t=null,r=0){let s;if(null===e)s="default";else{const t=e.texture.format,r=e.texture.type;s=`${e.textures.length}:${t}:${r}:${e.samples}:${e.depthBuffer}:${e.stencilBuffer}`}const i=s+"-"+(null!==t?t.id:"default")+"-"+r;let n=this._renderContexts[i];return void 0===n&&(n=new Hy,n.mrt=t,this._renderContexts[i]=n),null!==e&&(n.sampleCount=0===e.samples?1:e.samples),n.clearDepthValue=this.renderer.getClearDepth(),n.clearStencilValue=this.renderer.getClearStencil(),n}dispose(){this._renderContexts={}}}const Xy=new r;class Ky extends xy{constructor(e,t,r){super(),this.renderer=e,this.backend=t,this.info=r}updateRenderTarget(e,t=0){const r=this.get(e),s=0===e.samples?1:e.samples,i=r.depthTextureMips||(r.depthTextureMips={}),n=e.textures,a=this.getSize(n[0]),o=a.width>>t,u=a.height>>t;let l=e.depthTexture||i[t];const d=!0===e.depthBuffer||!0===e.stencilBuffer;let c=!1;void 0===l&&d&&(l=new Y,l.format=e.stencilBuffer?Ue:Ie,l.type=e.stencilBuffer?Oe:S,l.image.width=o,l.image.height=u,l.image.depth=a.depth,l.renderTarget=e,l.isArrayTexture=!0===e.multiview&&a.depth>1,i[t]=l),r.width===a.width&&a.height===r.height||(c=!0,l&&(l.needsUpdate=!0,l.image.width=o,l.image.height=u,l.image.depth=l.isArrayTexture?l.image.depth:1)),r.width=a.width,r.height=a.height,r.textures=n,r.depthTexture=l||null,r.depth=e.depthBuffer,r.stencil=e.stencilBuffer,r.renderTarget=e,r.sampleCount!==s&&(c=!0,l&&(l.needsUpdate=!0),r.sampleCount=s);const h={sampleCount:s};if(!0!==e.isXRRenderTarget){for(let e=0;e<n.length;e++){const t=n[e];c&&(t.needsUpdate=!0),this.updateTexture(t,h)}l&&this.updateTexture(l,h)}!0!==r.initialized&&(r.initialized=!0,r.onDispose=()=>{this._destroyRenderTarget(e)},e.addEventListener("dispose",r.onDispose))}updateTexture(e,t={}){const r=this.get(e);if(!0===r.initialized&&r.version===e.version)return;const s=e.isRenderTargetTexture||e.isDepthTexture||e.isFramebufferTexture,i=this.backend;if(s&&!0===r.initialized&&i.destroyTexture(e),e.isFramebufferTexture){const t=this.renderer.getRenderTarget();e.type=t?t.texture.type:Ve}const{width:n,height:a,depth:o}=this.getSize(e);if(t.width=n,t.height=a,t.depth=o,t.needsMipmaps=this.needsMipmaps(e),t.levels=t.needsMipmaps?this.getMipLevels(e,n,a):1,e.isCubeTexture&&e.mipmaps.length>0&&t.levels++,s||!0===e.isStorageTexture||!0===e.isExternalTexture)i.createTexture(e,t),r.generation=e.version;else if(e.version>0){const s=e.image;if(void 0===s)d("Renderer: Texture marked for update but image is undefined.");else if(!1===s.complete)d("Renderer: Texture marked for update but image is incomplete.");else{if(e.images){const r=[];for(const t of e.images)r.push(t);t.images=r}else t.image=s;void 0!==r.isDefaultTexture&&!0!==r.isDefaultTexture||(i.createTexture(e,t),r.isDefaultTexture=!1,r.generation=e.version),!0===e.source.dataReady&&i.updateTexture(e,t);const n=!0===e.isStorageTexture&&!1===e.mipmapsAutoUpdate;t.needsMipmaps&&0===e.mipmaps.length&&!n&&i.generateMipmaps(e),e.onUpdate&&e.onUpdate(e)}}else i.createDefaultTexture(e),r.isDefaultTexture=!0,r.generation=e.version;!0!==r.initialized&&(r.initialized=!0,r.generation=e.version,this.info.memory.textures++,e.isVideoTexture&&!0===p.enabled&&p.getTransfer(e.colorSpace)!==g&&d("WebGPURenderer: Video textures must use a color space with a sRGB transfer function, e.g. SRGBColorSpace."),r.onDispose=()=>{this._destroyTexture(e)},e.addEventListener("dispose",r.onDispose)),r.version=e.version}updateSampler(e){return this.backend.updateSampler(e)}getSize(e,t=Xy){let r=e.images?e.images[0]:e.image;return r?(void 0!==r.image&&(r=r.image),"undefined"!=typeof HTMLVideoElement&&r instanceof HTMLVideoElement?(t.width=r.videoWidth||1,t.height=r.videoHeight||1,t.depth=1):"undefined"!=typeof VideoFrame&&r instanceof VideoFrame?(t.width=r.displayWidth||1,t.height=r.displayHeight||1,t.depth=1):(t.width=r.width||1,t.height=r.height||1,t.depth=e.isCubeTexture?6:r.depth||1)):t.width=t.height=t.depth=1,t}getMipLevels(e,t,r){let s;return s=e.mipmaps.length>0?e.mipmaps.length:!0===e.isCompressedTexture?1:Math.floor(Math.log2(Math.max(t,r)))+1,s}needsMipmaps(e){return!0===e.generateMipmaps||e.mipmaps.length>0}_destroyRenderTarget(e){if(!0===this.has(e)){const t=this.get(e),r=t.textures,s=t.depthTexture;e.removeEventListener("dispose",t.onDispose);for(let e=0;e<r.length;e++)this._destroyTexture(r[e]);s&&this._destroyTexture(s),this.delete(e),this.backend.delete(e)}}_destroyTexture(e){if(!0===this.has(e)){const t=this.get(e);e.removeEventListener("dispose",t.onDispose);const r=t.isDefaultTexture;this.backend.destroyTexture(e,r),this.delete(e),this.info.memory.textures--}}}class Yy extends e{constructor(e,t,r,s=1){super(e,t,r),this.a=s}set(e,t,r,s=1){return this.a=s,super.set(e,t,r)}copy(e){return void 0!==e.a&&(this.a=e.a),super.copy(e)}clone(){return new this.constructor(this.r,this.g,this.b,this.a)}}class Qy extends Un{static get type(){return"ParameterNode"}constructor(e,t=null){super(e,t),this.isParameterNode=!0}getMemberType(e,t){const r=this.getNodeType(e),s=e.getStructTypeNode(r);let i;return null!==s?i=s.getMemberType(e,t):(o(`TSL: Member "${t}" not found in struct "${r}".`,new Ds),i="float"),i}getHash(){return this.uuid}generate(){return this.name}}class Zy extends li{static get type(){return"StackNode"}constructor(e=null){super(),this.nodes=[],this.outputNode=null,this.parent=e,this._currentCond=null,this._expressionNode=null,this._currentNode=null,this.isStackNode=!0}getElementType(e){return this.hasOutput(e)?this.outputNode.getElementType(e):"void"}getNodeType(e){return this.hasOutput(e)?this.outputNode.getNodeType(e):"void"}getMemberType(e,t){return this.hasOutput(e)?this.outputNode.getMemberType(e,t):"void"}addToStack(e,t=this.nodes.length){return!0!==e.isNode?(o("TSL: Invalid node added to stack.",new Ds),this):(this.nodes.splice(t,0,e),this)}addToStackBefore(e){const t=this._currentNode?this.nodes.indexOf(this._currentNode):0;return this.addToStack(e,t)}If(e,t){const r=new Zi(t);return this._currentCond=xu(e,r),this.addToStack(this._currentCond)}ElseIf(e,t){const r=new Zi(t),s=xu(e,r);return this._currentCond.elseNode=s,this._currentCond=s,this}Else(e){return this._currentCond.elseNode=new Zi(e),this}Switch(e){return this._expressionNode=Ji(e),this}Case(...e){const t=[];if(e.length>=2)for(let r=0;r<e.length-1;r++)t.push(this._expressionNode.equal(Ji(e[r])));else o("TSL: Invalid parameter length. Case() requires at least two parameters.",new Ds);const r=new Zi(e[e.length-1]);let s=t[0];for(let e=1;e<t.length;e++)s=s.or(t[e]);const i=xu(s,r);return null===this._currentCond?(this._currentCond=i,this.addToStack(this._currentCond)):(this._currentCond.elseNode=i,this._currentCond=i,this)}Default(e){return this.Else(e),this}setup(e){const t=e.getNodeProperties(this);let r=0;for(const s of this.getChildren())s.isVarNode&&s.isIntent(e)&&!0!==s.isAssign(e)||(t["node"+r++]=s);return t.outputNode||null}hasOutput(e){return this.outputNode&&this.outputNode.isNode&&"void"!==this.outputNode.getNodeType(e)}build(e,...t){const r=cn(),s=e.buildStage;dn(this),e.setActiveStack(this);const i=t=>{if(this._currentNode=t,!t.isVarNode||!t.isIntent(e)||!0===t.isAssign(e))if("setup"===s)t.build(e);else if("analyze"===s)t.build(e,this);else if("generate"===s){const r=e.getDataFromNode(t,"any").stages,s=r&&r[e.shaderStage];if(t.isVarNode&&s&&1===s.length&&s[0]&&s[0].isStackNode)return;t.build(e,"void")}},n=[...this.nodes];for(const e of n)i(e);this._currentNode=null;const a=this.nodes.filter(e=>-1===n.indexOf(e));for(const e of a)i(e);let o;return o=this.hasOutput(e)?this.outputNode.build(e,...t):super.build(e,...t),dn(r),e.removeActiveStack(this),o}}const Jy=sn(Zy).setParameterLength(0,1);class eb extends li{static get type(){return"StructTypeNode"}constructor(e,t=null){var r;super("struct"),this.membersLayout=(r=e,Object.entries(r).map(([e,t])=>"string"==typeof t?{name:e,type:t,atomic:!1}:{name:e,type:t.type,atomic:t.atomic||!1})),this.name=t,this.isStructLayoutNode=!0}getLength(){const e=Float32Array.BYTES_PER_ELEMENT;let t=1,r=0;for(const s of this.membersLayout){const i=s.type,n=Hs(i),a=qs(i)/e;t=Math.max(t,a);const o=r%t%a;0!==o&&(r+=a-o),r+=n}return Math.ceil(r/t)*t}getMemberType(e,t){const r=this.membersLayout.find(e=>e.name===t);return r?r.type:"void"}getNodeType(e){return e.getStructTypeFromNode(this,this.membersLayout,this.name).name}setup(e){e.getStructTypeFromNode(this,this.membersLayout,this.name),e.addInclude(this)}generate(e){return this.getNodeType(e)}}class tb extends li{static get type(){return"StructNode"}constructor(e,t){super("vec3"),this.structTypeNode=e,this.values=t,this.isStructNode=!0}getNodeType(e){return this.structTypeNode.getNodeType(e)}getMemberType(e,t){return this.structTypeNode.getMemberType(e,t)}_getChildren(){const e=super._getChildren(),t=e.find(e=>e.childNode===this.structTypeNode);return e.splice(e.indexOf(t),1),e.push(t),e}generate(e){const t=e.getVarFromNode(this),r=t.type,s=e.getPropertyName(t);return e.addLineFlowCode(`${s} = ${e.generateStruct(r,this.structTypeNode.membersLayout,this.values)}`,this),t.name}}class rb extends li{static get type(){return"OutputStructNode"}constructor(...e){super(),this.members=e,this.isOutputStructNode=!0}getNodeType(){return"OutputType"}generate(e){const t=e.getDataFromNode(this);if(void 0===t.membersLayout){const r=this.members,s=[];for(let t=0;t<r.length;t++){const i="m"+t,n=r[t].getNodeType(e);s.push({name:i,type:n,index:t})}t.membersLayout=s,t.structType=e.getOutputStructTypeFromNode(this,t.membersLayout)}const r=e.getOutputStructName(),s=this.members,i=""!==r?r+".":"";for(let t=0;t<s.length;t++){const r=s[t].build(e);e.addLineFlowCode(`${i}m${t} = ${r}`,this)}return r}}const sb=sn(rb);class ib{constructor(e=ke){this.blending=e,this.blendSrc=Ge,this.blendDst=ze,this.blendEquation=$e,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.premultiplyAlpha=!1}copy(e){return this.blending=e.blending,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.premultiplyAlpha=e.premultiplyAlpha,this}clone(){return(new this.constructor).copy(this)}}const nb=new ib(ee),ab=new ib(We);function ob(e,t){for(let r=0;r<e.length;r++)if(e[r].name===t)return r;return-1}class ub extends rb{static get type(){return"MRTNode"}constructor(e){super(),this.outputNodes=e,this.blendModes={output:ab},this.isMRTNode=!0}setBlendMode(e,t){return this.blendModes[e]=t,this}getBlendMode(e){return this.blendModes[e]||nb}has(e){return void 0!==this.outputNodes[e]}get(e){return this.outputNodes[e]}merge(e){const t={...this.outputNodes,...e.outputNodes},r={...this.blendModes,...e.blendModes},s=lb(t);return s.blendings=r,s}setup(e){const t=this.outputNodes,r=[],s=e.renderer.getRenderTarget().textures;for(const e in t){r[ob(s,e)]=An(t[e])}return this.members=r,super.setup(e)}}const lb=sn(ub);class db extends hi{static get type(){return"BitcastNode"}constructor(e,t,r=null){super(),this.valueNode=e,this.conversionType=t,this.inputType=r,this.isBitcastNode=!0}getNodeType(e){if(null!==this.inputType){const t=this.valueNode.getNodeType(e),r=e.getTypeLength(t);return e.getTypeFromLength(r,this.conversionType)}return this.conversionType}generate(e){const t=this.getNodeType(e);let r="";if(null!==this.inputType){const t=this.valueNode.getNodeType(e);r=1===e.getTypeLength(t)?this.inputType:e.changeComponentType(t,this.inputType)}else r=this.valueNode.getNodeType(e);return`${e.getBitcastMethod(t,r)}( ${this.valueNode.build(e,r)} )`}}const cb=an(db).setParameterLength(2),hb=e=>new db(e,"uint","float"),pb={};class gb extends so{static get type(){return"BitcountNode"}constructor(e,t){super(e,t),this.isBitcountNode=!0}_resolveElementType(e,t,r){"int"===r?t.assign(cb(e,"uint")):t.assign(e)}_returnDataNode(e){switch(e){case"uint":return yn;case"int":return fn;case"uvec2":return _n;case"uvec3":return Rn;case"uvec4":return Cn;case"ivec2":return Tn;case"ivec3":return Sn;case"ivec4":return wn}}_createTrailingZerosBaseLayout(e,t){const r=this._returnDataNode(t);return ln(([e])=>{const s=yn(0);this._resolveElementType(e,s,t);const i=mn(s.bitAnd(Po(s))),n=hb(i).shiftRight(23).sub(127);return r(n)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createLeadingZerosBaseLayout(e,t){const r=this._returnDataNode(t);return ln(([e])=>{hn(e.equal(yn(0)),()=>yn(32));const s=yn(0),i=yn(0);return this._resolveElementType(e,s,t),hn(s.shiftRight(16).equal(0),()=>{i.addAssign(16),s.shiftLeftAssign(16)}),hn(s.shiftRight(24).equal(0),()=>{i.addAssign(8),s.shiftLeftAssign(8)}),hn(s.shiftRight(28).equal(0),()=>{i.addAssign(4),s.shiftLeftAssign(4)}),hn(s.shiftRight(30).equal(0),()=>{i.addAssign(2),s.shiftLeftAssign(2)}),hn(s.shiftRight(31).equal(0),()=>{i.addAssign(1)}),r(i)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createOneBitsBaseLayout(e,t){const r=this._returnDataNode(t);return ln(([e])=>{const s=yn(0);this._resolveElementType(e,s,t),s.assign(s.sub(s.shiftRight(yn(1)).bitAnd(yn(1431655765)))),s.assign(s.bitAnd(yn(858993459)).add(s.shiftRight(yn(2)).bitAnd(yn(858993459))));const i=s.add(s.shiftRight(yn(4))).bitAnd(yn(252645135)).mul(yn(16843009)).shiftRight(yn(24));return r(i)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createMainLayout(e,t,r,s){const i=this._returnDataNode(t);return ln(([e])=>{if(1===r)return i(s(e));{const t=i(0),n=["x","y","z","w"];for(let i=0;i<r;i++){const r=n[i];t[r].assign(s(e[r]))}return t}}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}setup(e){const{method:t,aNode:r}=this,{renderer:s}=e;if(s.backend.isWebGPUBackend)return super.setup(e);const i=this.getInputType(e),n=e.getElementType(i),a=e.getTypeLength(i),o=`${t}_base_${n}`,u=`${t}_${i}`;let l=pb[o];if(void 0===l){switch(t){case gb.COUNT_LEADING_ZEROS:l=this._createLeadingZerosBaseLayout(o,n);break;case gb.COUNT_TRAILING_ZEROS:l=this._createTrailingZerosBaseLayout(o,n);break;case gb.COUNT_ONE_BITS:l=this._createOneBitsBaseLayout(o,n)}pb[o]=l}let d=pb[u];void 0===d&&(d=this._createMainLayout(u,i,a,l),pb[u]=d);return ln(()=>d(r))()}}gb.COUNT_TRAILING_ZEROS="countTrailingZeros",gb.COUNT_LEADING_ZEROS="countLeadingZeros",gb.COUNT_ONE_BITS="countOneBits";const mb=an(gb,gb.COUNT_TRAILING_ZEROS).setParameterLength(1),fb=an(gb,gb.COUNT_LEADING_ZEROS).setParameterLength(1),yb=an(gb,gb.COUNT_ONE_BITS).setParameterLength(1),bb=ln(([e])=>{const t=e.toUint().mul(747796405).add(2891336453),r=t.shiftRight(t.shiftRight(28).add(4)).bitXor(t).mul(277803737);return r.shiftRight(22).bitXor(r).toFloat().mul(1/2**32)}),xb=(e,t)=>Jo(La(4,e.mul(Fa(1,e))),t);class Tb extends hi{static get type(){return"PackFloatNode"}constructor(e,t){super(),this.vectorNode=t,this.encoding=e,this.isPackFloatNode=!0}getNodeType(){return"uint"}generate(e){const t=this.vectorNode.getNodeType(e);return`${e.getFloatPackingMethod(this.encoding)}(${this.vectorNode.build(e,t)})`}}const _b=an(Tb,"snorm").setParameterLength(1),vb=an(Tb,"unorm").setParameterLength(1),Nb=an(Tb,"float16").setParameterLength(1);class Sb extends hi{static get type(){return"UnpackFloatNode"}constructor(e,t){super(),this.uintNode=t,this.encoding=e,this.isUnpackFloatNode=!0}getNodeType(){return"vec2"}generate(e){const t=this.uintNode.getNodeType(e);return`${e.getFloatUnpackingMethod(this.encoding)}(${this.uintNode.build(e,t)})`}}const Rb=an(Sb,"snorm").setParameterLength(1),Eb=an(Sb,"unorm").setParameterLength(1),Ab=an(Sb,"float16").setParameterLength(1),wb=ln(([e])=>e.fract().sub(.5).abs()).setLayout({name:"tri",type:"float",inputs:[{name:"x",type:"float"}]}),Cb=ln(([e])=>Nn(wb(e.z.add(wb(e.y.mul(1)))),wb(e.z.add(wb(e.x.mul(1)))),wb(e.y.add(wb(e.x.mul(1)))))).setLayout({name:"tri3",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),Mb=ln(([e,t,r])=>{const s=Nn(e).toVar(),i=mn(1.4).toVar(),n=mn(0).toVar(),a=Nn(s).toVar();return Rp({start:mn(0),end:mn(3),type:"float",condition:"<="},()=>{const e=Nn(Cb(a.mul(2))).toVar();s.addAssign(e.add(r.mul(mn(.1).mul(t)))),a.mulAssign(1.8),i.mulAssign(1.5),s.mulAssign(1.2);const o=mn(wb(s.z.add(wb(s.x.add(wb(s.y)))))).toVar();n.addAssign(o.div(i)),a.addAssign(.14)}),n}).setLayout({name:"triNoise3D",type:"float",inputs:[{name:"position",type:"vec3"},{name:"speed",type:"float"},{name:"time",type:"float"}]});class Bb extends li{static get type(){return"FunctionOverloadingNode"}constructor(e=[],...t){super(),this.functionNodes=e,this.parametersNodes=t,this._candidateFn=null,this.global=!0}getNodeType(e){return this.getCandidateFn(e).shaderNode.layout.type}getCandidateFn(e){const t=this.parametersNodes;let r=this._candidateFn;if(null===r){let s=null,i=-1;for(const r of this.functionNodes){const n=r.shaderNode.layout;if(null===n)throw new Error("FunctionOverloadingNode: FunctionNode must be a layout.");const a=n.inputs;if(t.length===a.length){let n=0;for(let r=0;r<t.length;r++){const s=t[r],i=a[r];s.getNodeType(e)===i.type&&n++}n>i&&(s=r,i=n)}}this._candidateFn=r=s}return r}setup(e){return this.getCandidateFn(e)(...this.parametersNodes)}}const Fb=sn(Bb),Lb=e=>(...t)=>Fb(e,...t),Pb=va(0).setGroup(xa).onRenderUpdate(e=>e.time),Db=va(0).setGroup(xa).onRenderUpdate(e=>e.deltaTime),Ub=va(0,"uint").setGroup(xa).onRenderUpdate(e=>e.frameId);const Ib=ln(([e,t,r=xn(.5)])=>Zf(e.sub(r),t).add(r)),Ob=ln(([e,t,r=xn(.5)])=>{const s=e.sub(r),i=s.dot(s),n=i.mul(i).mul(t);return e.add(s.mul(n))}),Vb=ln(({position:e=null,horizontal:t=!0,vertical:r=!1})=>{let s;null!==e?(s=Ud.toVar(),s[3][0]=e.x,s[3][1]=e.y,s[3][2]=e.z):s=Ud;const i=_d.mul(s);return Yi(t)&&(i[0][0]=Ud[0].length(),i[0][1]=0,i[0][2]=0),Yi(r)&&(i[1][0]=0,i[1][1]=Ud[1].length(),i[1][2]=0),i[2][0]=0,i[2][1]=0,i[2][2]=1,xd.mul(i).mul(Kd)}),kb=ln(([e=null])=>{const t=eg();return eg(Hp(e)).sub(t).lessThan(0).select(Xl,e)}),Gb=ln(([e,t=El(),r=mn(0)])=>{const s=e.x,i=e.y,n=r.mod(s.mul(i)).floor(),a=n.mod(s),o=i.sub(n.add(1).div(s).ceil()),u=e.reciprocal(),l=xn(a,o);return t.add(l).mul(u)}),zb=ln(([e,t=null,r=null,s=mn(1),i=Kd,n=ac])=>{let a=n.abs().normalize();a=a.div(a.dot(Nn(1)));const o=i.yz.mul(s),u=i.zx.mul(s),l=i.xy.mul(s),d=e.value,c=null!==t?t.value:d,h=null!==r?r.value:d,p=Dl(d,o).mul(a.x),g=Dl(c,u).mul(a.y),m=Dl(h,l).mul(a.z);return Ba(p,g,m)}),$b=new He,Wb=new r,Hb=new r,qb=new r,jb=new a,Xb=new r(0,0,-1),Kb=new s,Yb=new r,Qb=new r,Zb=new s,Jb=new t,ex=new se,tx=Xl.flipX();ex.depthTexture=new Y(1,1);let rx=!1;class sx extends Ll{static get type(){return"ReflectorNode"}constructor(e={}){super(e.defaultTexture||ex.texture,tx),this._reflectorBaseNode=e.reflector||new ix(this,e),this._depthNode=null,this.setUpdateMatrix(!1)}get reflector(){return this._reflectorBaseNode}get target(){return this._reflectorBaseNode.target}getDepthNode(){if(null===this._depthNode){if(!0!==this._reflectorBaseNode.depth)throw new Error("THREE.ReflectorNode: Depth node can only be requested when the reflector is created with { depth: true }. ");this._depthNode=Ji(new sx({defaultTexture:ex.depthTexture,reflector:this._reflectorBaseNode}))}return this._depthNode}setup(e){return e.object.isQuadMesh||this._reflectorBaseNode.build(e),super.setup(e)}clone(){const e=new this.constructor(this.reflectorNode);return e.uvNode=this.uvNode,e.levelNode=this.levelNode,e.biasNode=this.biasNode,e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.offsetNode=this.offsetNode,e._reflectorBaseNode=this._reflectorBaseNode,e}dispose(){super.dispose(),this._reflectorBaseNode.dispose()}}class ix extends li{static get type(){return"ReflectorBaseNode"}constructor(e,t={}){super();const{target:r=new qe,resolutionScale:s=1,generateMipmaps:i=!1,bounces:n=!0,depth:a=!1,samples:o=0}=t;this.textureNode=e,this.target=r,this.resolutionScale=s,void 0!==t.resolution&&(v('ReflectorNode: The "resolution" parameter has been renamed to "resolutionScale".'),this.resolutionScale=t.resolution),this.generateMipmaps=i,this.bounces=n,this.depth=a,this.samples=o,this.updateBeforeType=n?ei.RENDER:ei.FRAME,this.virtualCameras=new WeakMap,this.renderTargets=new Map,this.forceUpdate=!1,this.hasOutput=!1}_updateResolution(e,t){const r=this.resolutionScale;t.getDrawingBufferSize(Jb),e.setSize(Math.round(Jb.width*r),Math.round(Jb.height*r))}setup(e){return this._updateResolution(ex,e.renderer),super.setup(e)}dispose(){super.dispose();for(const e of this.renderTargets.values())e.dispose()}getVirtualCamera(e){let t=this.virtualCameras.get(e);return void 0===t&&(t=e.clone(),this.virtualCameras.set(e,t)),t}getRenderTarget(e){let t=this.renderTargets.get(e);return void 0===t&&(t=new se(0,0,{type:be,samples:this.samples}),!0===this.generateMipmaps&&(t.texture.minFilter=je,t.texture.generateMipmaps=!0),!0===this.depth&&(t.depthTexture=new Y),this.renderTargets.set(e,t)),t}updateBefore(e){if(!1===this.bounces&&rx)return!1;rx=!0;const{scene:t,camera:r,renderer:s,material:i}=e,{target:n}=this,a=this.getVirtualCamera(r),o=this.getRenderTarget(a);s.getDrawingBufferSize(Jb),this._updateResolution(o,s),Hb.setFromMatrixPosition(n.matrixWorld),qb.setFromMatrixPosition(r.matrixWorld),jb.extractRotation(n.matrixWorld),Wb.set(0,0,1),Wb.applyMatrix4(jb),Yb.subVectors(Hb,qb);let u=!1;if(!0===Yb.dot(Wb)>0&&!1===this.forceUpdate){if(!1===this.hasOutput)return void(rx=!1);u=!0}Yb.reflect(Wb).negate(),Yb.add(Hb),jb.extractRotation(r.matrixWorld),Xb.set(0,0,-1),Xb.applyMatrix4(jb),Xb.add(qb),Qb.subVectors(Hb,Xb),Qb.reflect(Wb).negate(),Qb.add(Hb),a.coordinateSystem=r.coordinateSystem,a.position.copy(Yb),a.up.set(0,1,0),a.up.applyMatrix4(jb),a.up.reflect(Wb),a.lookAt(Qb),a.near=r.near,a.far=r.far,a.updateMatrixWorld(),a.projectionMatrix.copy(r.projectionMatrix),$b.setFromNormalAndCoplanarPoint(Wb,Hb),$b.applyMatrix4(a.matrixWorldInverse),Kb.set($b.normal.x,$b.normal.y,$b.normal.z,$b.constant);const l=a.projectionMatrix;Zb.x=(Math.sign(Kb.x)+l.elements[8])/l.elements[0],Zb.y=(Math.sign(Kb.y)+l.elements[9])/l.elements[5],Zb.z=-1,Zb.w=(1+l.elements[10])/l.elements[14],Kb.multiplyScalar(1/Kb.dot(Zb));l.elements[2]=Kb.x,l.elements[6]=Kb.y,l.elements[10]=s.coordinateSystem===h?Kb.z-0:Kb.z+1-0,l.elements[14]=Kb.w,this.textureNode.value=o.texture,!0===this.depth&&(this.textureNode.getDepthNode().value=o.depthTexture),i.visible=!1;const d=s.getRenderTarget(),c=s.getMRT(),p=s.autoClear;s.setMRT(null),s.setRenderTarget(o),s.autoClear=!0;const g=t.name;t.name=(t.name||"Scene")+" [ Reflector ]",u?(s.clear(),this.hasOutput=!1):(s.render(t,a),this.hasOutput=!0),t.name=g,s.setMRT(c),s.setRenderTarget(d),s.autoClear=p,i.visible=!0,rx=!1,this.forceUpdate=!1}get resolution(){return v('ReflectorNode: The "resolution" property has been renamed to "resolutionScale".'),this.resolutionScale}set resolution(e){v('ReflectorNode: The "resolution" property has been renamed to "resolutionScale".'),this.resolutionScale=e}}const nx=new _e(-1,1,1,-1,0,1);class ax extends Te{constructor(e=!1){super();const t=!1===e?[0,-1,0,1,2,1]:[0,2,0,0,2,0];this.setAttribute("position",new Xe([-1,3,0,-1,-1,0,3,-1,0],3)),this.setAttribute("uv",new Xe(t,2))}}const ox=new ax;class ux extends ne{constructor(e=null){super(ox,e),this.camera=nx,this.isQuadMesh=!0}async renderAsync(e){v('QuadMesh: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await e.init(),e.render(this,nx)}render(e){e.render(this,nx)}}const lx=new t;class dx extends Ll{static get type(){return"RTTNode"}constructor(e,t=null,r=null,s={type:be}){const i=new se(t,r,s);super(i.texture,El()),this.isRTTNode=!0,this.node=e,this.width=t,this.height=r,this.pixelRatio=1,this.renderTarget=i,this.textureNeedsUpdate=!0,this.autoUpdate=!0,this._rttNode=null,this._quadMesh=new ux(new mg),this.updateBeforeType=ei.RENDER}get autoResize(){return null===this.width}setup(e){return this._rttNode=this.node.context(e.getSharedContext()),this._quadMesh.material.name="RTT",this._quadMesh.material.needsUpdate=!0,super.setup(e)}setSize(e,t){this.width=e,this.height=t;const r=e*this.pixelRatio,s=t*this.pixelRatio;this.renderTarget.setSize(r,s),this.textureNeedsUpdate=!0}setPixelRatio(e){this.pixelRatio=e,this.setSize(this.width,this.height)}updateBefore({renderer:e}){if(!1===this.textureNeedsUpdate&&!1===this.autoUpdate)return;if(this.textureNeedsUpdate=!1,!0===this.autoResize){const t=e.getPixelRatio(),r=e.getSize(lx),s=Math.floor(r.width*t),i=Math.floor(r.height*t);s===this.renderTarget.width&&i===this.renderTarget.height||(this.renderTarget.setSize(s,i),this.textureNeedsUpdate=!0)}let t="RTT";this.node.name&&(t=this.node.name+" [ "+t+" ]"),this._quadMesh.material.fragmentNode=this._rttNode,this._quadMesh.name=t;const r=e.getRenderTarget();e.setRenderTarget(this.renderTarget),this._quadMesh.render(e),e.setRenderTarget(r)}clone(){const e=new Ll(this.value,this.uvNode,this.levelNode);return e.sampler=this.sampler,e.referenceNode=this,e}}const cx=(e,...t)=>new dx(Ji(e),...t),hx=ln(([e,t,r],s)=>{let i;s.renderer.coordinateSystem===h?(e=xn(e.x,e.y.oneMinus()).mul(2).sub(1),i=An(Nn(e,t),1)):i=An(Nn(e.x,e.y.oneMinus(),t).mul(2).sub(1),1);const n=An(r.mul(i));return n.xyz.div(n.w)}),px=ln(([e,t])=>{const r=t.mul(An(e,1)),s=r.xy.div(r.w).mul(.5).add(.5).toVar();return xn(s.x,s.y.oneMinus())}),gx=ln(([e,t,r])=>{const s=wl(Ul(t)),i=Tn(e.mul(s)).toVar(),n=Ul(t,i).toVar(),a=Ul(t,i.sub(Tn(2,0))).toVar(),o=Ul(t,i.sub(Tn(1,0))).toVar(),u=Ul(t,i.add(Tn(1,0))).toVar(),l=Ul(t,i.add(Tn(2,0))).toVar(),d=Ul(t,i.add(Tn(0,2))).toVar(),c=Ul(t,i.add(Tn(0,1))).toVar(),h=Ul(t,i.sub(Tn(0,1))).toVar(),p=Ul(t,i.sub(Tn(0,2))).toVar(),g=Bo(Fa(mn(2).mul(o).sub(a),n)).toVar(),m=Bo(Fa(mn(2).mul(u).sub(l),n)).toVar(),f=Bo(Fa(mn(2).mul(c).sub(d),n)).toVar(),y=Bo(Fa(mn(2).mul(h).sub(p),n)).toVar(),b=hx(e,n,r).toVar(),x=g.lessThan(m).select(b.sub(hx(e.sub(xn(mn(1).div(s.x),0)),o,r)),b.negate().add(hx(e.add(xn(mn(1).div(s.x),0)),u,r))),T=f.lessThan(y).select(b.sub(hx(e.add(xn(0,mn(1).div(s.y))),c,r)),b.negate().add(hx(e.sub(xn(0,mn(1).div(s.y))),h,r)));return No(Zo(x,T))}),mx=ln(([e])=>So(mn(52.9829189).mul(So(Qo(e,xn(.06711056,.00583715)))))).setLayout({name:"interleavedGradientNoise",type:"float",inputs:[{name:"position",type:"vec2"}]}),fx=ln(([e,t,r])=>{const s=mn(2.399963229728653),i=xo(mn(e).add(.5).div(mn(t))),n=mn(e).mul(s).add(r);return xn(Eo(n),Ro(n)).mul(i)}).setLayout({name:"vogelDiskSample",type:"vec2",inputs:[{name:"sampleIndex",type:"int"},{name:"samplesCount",type:"int"},{name:"phi",type:"float"}]});class yx extends li{static get type(){return"SampleNode"}constructor(e,t=null){super(),this.callback=e,this.uvNode=t,this.isSampleNode=!0}setup(){return this.sample(El())}sample(e){return this.callback(e)}}class bx extends li{static get type(){return"EventNode"}constructor(e,t){super("void"),this.eventType=e,this.callback=t,e===bx.OBJECT?this.updateType=ei.OBJECT:e===bx.MATERIAL?this.updateType=ei.RENDER:e===bx.BEFORE_OBJECT?this.updateBeforeType=ei.OBJECT:e===bx.BEFORE_MATERIAL&&(this.updateBeforeType=ei.RENDER)}update(e){this.callback(e)}updateBefore(e){this.callback(e)}}bx.OBJECT="object",bx.MATERIAL="material",bx.BEFORE_OBJECT="beforeObject",bx.BEFORE_MATERIAL="beforeMaterial";const xx=(e,t)=>new bx(e,t).toStack();class Tx extends W{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageInstancedBufferAttribute=!0}}class _x extends Ee{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageBufferAttribute=!0}}class vx extends li{static get type(){return"PointUVNode"}constructor(){super("vec2"),this.isPointUVNode=!0}generate(){return"vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y )"}}const Nx=nn(vx),Sx=new F,Rx=new a,Ex=va(0).setGroup(xa).onRenderUpdate(({scene:e})=>e.backgroundBlurriness),Ax=va(1).setGroup(xa).onRenderUpdate(({scene:e})=>e.backgroundIntensity),wx=va(new a).setGroup(xa).onRenderUpdate(({scene:e})=>{const t=e.background;return null!==t&&t.isTexture&&t.mapping!==Ke?(Sx.copy(e.backgroundRotation),Sx.x*=-1,Sx.y*=-1,Sx.z*=-1,Rx.makeRotationFromEuler(Sx)):Rx.identity(),Rx});class Cx extends Ll{static get type(){return"StorageTextureNode"}constructor(e,t,r=null){super(e,t),this.storeNode=r,this.mipLevel=0,this.isStorageTextureNode=!0,this.access=ri.WRITE_ONLY}getInputType(){return"storageTexture"}setup(e){super.setup(e);const t=e.getNodeProperties(this);return t.storeNode=this.storeNode,t}setAccess(e){return this.access=e,this}setMipLevel(e){return this.mipLevel=e,this}generate(e,t){let r;return r=null!==this.storeNode?this.generateStore(e):super.generate(e,t),r}toReadWrite(){return this.setAccess(ri.READ_WRITE)}toReadOnly(){return this.setAccess(ri.READ_ONLY)}toWriteOnly(){return this.setAccess(ri.WRITE_ONLY)}generateStore(e){const t=e.getNodeProperties(this),{uvNode:r,storeNode:s,depthNode:i}=t,n=super.generate(e,"property"),a=r.build(e,!0===this.value.is3DTexture?"uvec3":"uvec2"),o=s.build(e,"vec4"),u=i?i.build(e,"int"):null,l=e.generateTextureStore(e,n,a,u,o);e.addLineFlowCode(l,this)}clone(){const e=super.clone();return e.storeNode=this.storeNode,e.mipLevel=this.mipLevel,e.access=this.access,e}}const Mx=sn(Cx).setParameterLength(1,3),Bx=ln(({texture:e,uv:t})=>{const r=1e-4,s=Nn().toVar();return hn(t.x.lessThan(r),()=>{s.assign(Nn(1,0,0))}).ElseIf(t.y.lessThan(r),()=>{s.assign(Nn(0,1,0))}).ElseIf(t.z.lessThan(r),()=>{s.assign(Nn(0,0,1))}).ElseIf(t.x.greaterThan(.9999),()=>{s.assign(Nn(-1,0,0))}).ElseIf(t.y.greaterThan(.9999),()=>{s.assign(Nn(0,-1,0))}).ElseIf(t.z.greaterThan(.9999),()=>{s.assign(Nn(0,0,-1))}).Else(()=>{const r=.01,i=e.sample(t.add(Nn(-.01,0,0))).r.sub(e.sample(t.add(Nn(r,0,0))).r),n=e.sample(t.add(Nn(0,-.01,0))).r.sub(e.sample(t.add(Nn(0,r,0))).r),a=e.sample(t.add(Nn(0,0,-.01))).r.sub(e.sample(t.add(Nn(0,0,r))).r);s.assign(Nn(i,n,a))}),s.normalize()});class Fx extends Ll{static get type(){return"Texture3DNode"}constructor(e,t=null,r=null){super(e,t,r),this.isTexture3DNode=!0}getInputType(){return"texture3D"}getDefaultUV(){return Nn(.5,.5,.5)}setUpdateMatrix(){}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}generateOffset(e,t){return t.build(e,"ivec3")}normal(e){return Bx({texture:this,uv:e})}}const Lx=sn(Fx).setParameterLength(1,3);class Px extends Fc{static get type(){return"UserDataNode"}constructor(e,t,r=null){super(e,t,r),this.userData=r}updateReference(e){return this.reference=null!==this.userData?this.userData:e.object.userData,this.reference}}const Dx=new WeakMap;class Ux extends hi{static get type(){return"VelocityNode"}constructor(){super("vec2"),this.projectionMatrix=null,this.updateType=ei.OBJECT,this.updateAfterType=ei.OBJECT,this.previousModelWorldMatrix=va(new a),this.previousProjectionMatrix=va(new a).setGroup(xa),this.previousCameraViewMatrix=va(new a)}setProjectionMatrix(e){this.projectionMatrix=e}update({frameId:e,camera:t,object:r}){const s=Ox(r);this.previousModelWorldMatrix.value.copy(s);const i=Ix(t);i.frameId!==e&&(i.frameId=e,void 0===i.previousProjectionMatrix?(i.previousProjectionMatrix=new a,i.previousCameraViewMatrix=new a,i.currentProjectionMatrix=new a,i.currentCameraViewMatrix=new a,i.previousProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.previousCameraViewMatrix.copy(t.matrixWorldInverse)):(i.previousProjectionMatrix.copy(i.currentProjectionMatrix),i.previousCameraViewMatrix.copy(i.currentCameraViewMatrix)),i.currentProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.currentCameraViewMatrix.copy(t.matrixWorldInverse),this.previousProjectionMatrix.value.copy(i.previousProjectionMatrix),this.previousCameraViewMatrix.value.copy(i.previousCameraViewMatrix))}updateAfter({object:e}){Ox(e).copy(e.matrixWorld)}setup(){const e=null===this.projectionMatrix?xd:va(this.projectionMatrix),t=this.previousCameraViewMatrix.mul(this.previousModelWorldMatrix),r=e.mul($d).mul(Kd),s=this.previousProjectionMatrix.mul(t).mul(Yd),i=r.xy.div(r.w),n=s.xy.div(s.w);return Fa(i,n)}}function Ix(e){let t=Dx.get(e);return void 0===t&&(t={},Dx.set(e,t)),t}function Ox(e,t=0){const r=Ix(e);let s=r[t];return void 0===s&&(r[t]=s=new a,r[t].copy(e.matrixWorld)),s}const Vx=nn(Ux),kx=ln(([e])=>Wx(e.rgb)),Gx=ln(([e,t=mn(1)])=>t.mix(Wx(e.rgb),e.rgb)),zx=ln(([e,t=mn(1)])=>{const r=Ba(e.r,e.g,e.b).div(3),s=e.r.max(e.g.max(e.b)),i=s.sub(r).mul(t).mul(-3);return au(e.rgb,s,i)}),$x=ln(([e,t=mn(1)])=>{const r=Nn(.57735,.57735,.57735),s=t.cos();return Nn(e.rgb.mul(s).add(r.cross(e.rgb).mul(t.sin()).add(r.mul(Qo(r,e.rgb).mul(s.oneMinus())))))}),Wx=(e,t=Nn(p.getLuminanceCoefficients(new r)))=>Qo(e,t),Hx=ln(([e,t=Nn(1),s=Nn(0),i=Nn(1),n=mn(1),a=Nn(p.getLuminanceCoefficients(new r,Ne))])=>{const o=e.rgb.dot(Nn(a)),u=qo(e.rgb.mul(t).add(s),0).toVar(),l=u.pow(i).toVar();return hn(u.r.greaterThan(0),()=>{u.r.assign(l.r)}),hn(u.g.greaterThan(0),()=>{u.g.assign(l.g)}),hn(u.b.greaterThan(0),()=>{u.b.assign(l.b)}),u.assign(o.add(u.sub(o).mul(n))),An(u.rgb,e.a)}),qx=ln(([e,t])=>e.mul(t).floor().div(t));let jx=null;class Xx extends Op{static get type(){return"ViewportSharedTextureNode"}constructor(e=Xl,t=null){null===jx&&(jx=new X),super(e,t,jx)}getTextureForReference(){return jx}updateReference(){return this}}const Kx=sn(Xx).setParameterLength(0,2),Yx=new t;class Qx extends Ll{static get type(){return"PassTextureNode"}constructor(e,t){super(t),this.passNode=e,this.isPassTextureNode=!0,this.setUpdateMatrix(!1)}setup(e){return e.getNodeProperties(this).passNode=this.passNode,super.setup(e)}clone(){return new this.constructor(this.passNode,this.value)}}class Zx extends Qx{static get type(){return"PassMultipleTextureNode"}constructor(e,t,r=!1){super(e,null),this.textureName=t,this.previousTexture=r,this.isPassMultipleTextureNode=!0}updateTexture(){this.value=this.previousTexture?this.passNode.getPreviousTexture(this.textureName):this.passNode.getTexture(this.textureName)}setup(e){return this.updateTexture(),super.setup(e)}clone(){const e=new this.constructor(this.passNode,this.textureName,this.previousTexture);return e.uvNode=this.uvNode,e.levelNode=this.levelNode,e.biasNode=this.biasNode,e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.offsetNode=this.offsetNode,e}}class Jx extends hi{static get type(){return"PassNode"}constructor(e,t,r,s={}){super("vec4"),this.scope=e,this.scene=t,this.camera=r,this.options=s,this._pixelRatio=1,this._width=1,this._height=1;const i=new Y;i.isRenderTargetTexture=!0,i.name="depth";const n=new se(this._width*this._pixelRatio,this._height*this._pixelRatio,{type:be,...s});n.texture.name="output",n.depthTexture=i,this.renderTarget=n,this.overrideMaterial=null,this.transparent=!0,this.opaque=!0,this.contextNode=null,this._contextNodeCache=null,this._textures={output:n.texture,depth:i},this._textureNodes={},this._linearDepthNodes={},this._viewZNodes={},this._previousTextures={},this._previousTextureNodes={},this._cameraNear=va(0),this._cameraFar=va(0),this._mrt=null,this._layers=null,this._resolutionScale=1,this._viewport=null,this._scissor=null,this.isPassNode=!0,this.updateBeforeType=ei.FRAME,this.global=!0}setResolutionScale(e){return this._resolutionScale=e,this}getResolutionScale(){return this._resolutionScale}setResolution(e){return d("PassNode: .setResolution() is deprecated. Use .setResolutionScale() instead."),this.setResolutionScale(e)}getResolution(){return d("PassNode: .getResolution() is deprecated. Use .getResolutionScale() instead."),this.getResolutionScale()}setLayers(e){return this._layers=e,this}getLayers(){return this._layers}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}getTexture(e){let t=this._textures[e];if(void 0===t){t=this.renderTarget.texture.clone(),t.name=e,this._textures[e]=t,this.renderTarget.textures.push(t)}return t}getPreviousTexture(e){let t=this._previousTextures[e];return void 0===t&&(t=this.getTexture(e).clone(),this._previousTextures[e]=t),t}toggleTexture(e){const t=this._previousTextures[e];if(void 0!==t){const r=this._textures[e],s=this.renderTarget.textures.indexOf(r);this.renderTarget.textures[s]=t,this._textures[e]=t,this._previousTextures[e]=r,this._textureNodes[e].updateTexture(),this._previousTextureNodes[e].updateTexture()}}getTextureNode(e="output"){let t=this._textureNodes[e];return void 0===t&&(t=new Zx(this,e),t.updateTexture(),this._textureNodes[e]=t),t}getPreviousTextureNode(e="output"){let t=this._previousTextureNodes[e];return void 0===t&&(void 0===this._textureNodes[e]&&this.getTextureNode(e),t=new Zx(this,e,!0),t.updateTexture(),this._previousTextureNodes[e]=t),t}getViewZNode(e="depth"){let t=this._viewZNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar;this._viewZNodes[e]=t=Yp(this.getTextureNode(e),r,s)}return t}getLinearDepthNode(e="depth"){let t=this._linearDepthNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar,i=this.getViewZNode(e);this._linearDepthNodes[e]=t=jp(i,r,s)}return t}async compileAsync(e){const t=e.getRenderTarget(),r=e.getMRT();e.setRenderTarget(this.renderTarget),e.setMRT(this._mrt),await e.compileAsync(this.scene,this.camera),e.setRenderTarget(t),e.setMRT(r)}setup({renderer:e}){return this.renderTarget.samples=void 0===this.options.samples?e.samples:this.options.samples,this.renderTarget.texture.type=e.getOutputBufferType(),this.scope===Jx.COLOR?this.getTextureNode():this.getLinearDepthNode()}updateBefore(e){const{renderer:t}=e,{scene:r}=this;let s,i;const n=t.getOutputRenderTarget();n&&!0===n.isXRRenderTarget?(i=1,s=t.xr.getCamera(),t.xr.updateCamera(s),Yx.set(n.width,n.height)):(s=this.camera,i=t.getPixelRatio(),t.getSize(Yx)),this._pixelRatio=i,this.setSize(Yx.width,Yx.height);const a=t.getRenderTarget(),o=t.getMRT(),u=t.autoClear,l=t.transparent,d=t.opaque,c=s.layers.mask,h=t.contextNode,p=r.overrideMaterial;this._cameraNear.value=s.near,this._cameraFar.value=s.far,null!==this._layers&&(s.layers.mask=this._layers.mask);for(const e in this._previousTextures)this.toggleTexture(e);null!==this.overrideMaterial&&(r.overrideMaterial=this.overrideMaterial),t.setRenderTarget(this.renderTarget),t.setMRT(this._mrt),t.autoClear=!0,t.transparent=this.transparent,t.opaque=this.opaque,null!==this.contextNode&&(null!==this._contextNodeCache&&this._contextNodeCache.version===this.version||(this._contextNodeCache={version:this.version,context:_u({...t.contextNode.getFlowContextData(),...this.contextNode.getFlowContextData()})}),t.contextNode=this._contextNodeCache.context);const g=r.name;r.name=this.name?this.name:r.name,t.render(r,s),r.name=g,r.overrideMaterial=p,t.setRenderTarget(a),t.setMRT(o),t.autoClear=u,t.transparent=l,t.opaque=d,t.contextNode=h,s.layers.mask=c}setSize(e,t){this._width=e,this._height=t;const r=Math.floor(this._width*this._pixelRatio*this._resolutionScale),s=Math.floor(this._height*this._pixelRatio*this._resolutionScale);this.renderTarget.setSize(r,s),null!==this._scissor&&this.renderTarget.scissor.copy(this._scissor),null!==this._viewport&&this.renderTarget.viewport.copy(this._viewport)}setScissor(e,t,r,i){null===e?this._scissor=null:(null===this._scissor&&(this._scissor=new s),e.isVector4?this._scissor.copy(e):this._scissor.set(e,t,r,i),this._scissor.multiplyScalar(this._pixelRatio*this._resolutionScale).floor())}setViewport(e,t,r,i){null===e?this._viewport=null:(null===this._viewport&&(this._viewport=new s),e.isVector4?this._viewport.copy(e):this._viewport.set(e,t,r,i),this._viewport.multiplyScalar(this._pixelRatio*this._resolutionScale).floor())}setPixelRatio(e){this._pixelRatio=e,this.setSize(this._width,this._height)}dispose(){this.renderTarget.dispose()}}Jx.COLOR="color",Jx.DEPTH="depth";class eT extends Jx{static get type(){return"ToonOutlinePassNode"}constructor(e,t,r,s,i){super(Jx.COLOR,e,t),this.colorNode=r,this.thicknessNode=s,this.alphaNode=i,this._materialCache=new WeakMap,this.name="Outline Pass"}updateBefore(e){const{renderer:t}=e,r=t.getRenderObjectFunction();t.setRenderObjectFunction((e,r,s,i,n,a,o,u)=>{if((n.isMeshToonMaterial||n.isMeshToonNodeMaterial)&&!1===n.wireframe){const l=this._getOutlineMaterial(n);t.renderObject(e,r,s,i,l,a,o,u)}t.renderObject(e,r,s,i,n,a,o,u)}),super.updateBefore(e),t.setRenderObjectFunction(r)}_createMaterial(){const e=new mg;e.isMeshToonOutlineMaterial=!0,e.name="Toon_Outline",e.side=M;const t=ac.negate(),r=xd.mul($d),s=mn(1),i=r.mul(An(Kd,1)),n=r.mul(An(Kd.add(t),1)),a=No(i.sub(n));return e.vertexNode=i.add(a.mul(this.thicknessNode).mul(i.w).mul(s)),e.colorNode=An(this.colorNode,this.alphaNode),e}_getOutlineMaterial(e){let t=this._materialCache.get(e);return void 0===t&&(t=this._createMaterial(),this._materialCache.set(e,t)),t}}const tT=ln(([e,t])=>e.mul(t).clamp()).setLayout({name:"linearToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),rT=ln(([e,t])=>(e=e.mul(t)).div(e.add(1)).clamp()).setLayout({name:"reinhardToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),sT=ln(([e,t])=>{const r=(e=(e=e.mul(t)).sub(.004).max(0)).mul(e.mul(6.2).add(.5)),s=e.mul(e.mul(6.2).add(1.7)).add(.06);return r.div(s).pow(2.2)}).setLayout({name:"cineonToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),iT=ln(([e])=>{const t=e.mul(e.add(.0245786)).sub(90537e-9),r=e.mul(e.add(.432951).mul(.983729)).add(.238081);return t.div(r)}),nT=ln(([e,t])=>{const r=Fn(.59719,.35458,.04823,.076,.90834,.01566,.0284,.13383,.83777),s=Fn(1.60475,-.53108,-.07367,-.10208,1.10813,-.00605,-.00327,-.07276,1.07602);return e=e.mul(t).div(.6),e=r.mul(e),e=iT(e),(e=s.mul(e)).clamp()}).setLayout({name:"acesFilmicToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),aT=Fn(Nn(1.6605,-.1246,-.0182),Nn(-.5876,1.1329,-.1006),Nn(-.0728,-.0083,1.1187)),oT=Fn(Nn(.6274,.0691,.0164),Nn(.3293,.9195,.088),Nn(.0433,.0113,.8956)),uT=ln(([e])=>{const t=Nn(e).toVar(),r=Nn(t.mul(t)).toVar(),s=Nn(r.mul(r)).toVar();return mn(15.5).mul(s.mul(r)).sub(La(40.14,s.mul(t))).add(La(31.96,s).sub(La(6.868,r.mul(t))).add(La(.4298,r).add(La(.1191,t).sub(.00232))))}),lT=ln(([e,t])=>{const r=Nn(e).toVar(),s=Fn(Nn(.856627153315983,.137318972929847,.11189821299995),Nn(.0951212405381588,.761241990602591,.0767994186031903),Nn(.0482516061458583,.101439036467562,.811302368396859)),i=Fn(Nn(1.1271005818144368,-.1413297634984383,-.14132976349843826),Nn(-.11060664309660323,1.157823702216272,-.11060664309660294),Nn(-.016493938717834573,-.016493938717834257,1.2519364065950405)),n=mn(-12.47393),a=mn(4.026069);return r.mulAssign(t),r.assign(oT.mul(r)),r.assign(s.mul(r)),r.assign(qo(r,1e-10)),r.assign(bo(r)),r.assign(r.sub(n).div(a.sub(n))),r.assign(ou(r,0,1)),r.assign(uT(r)),r.assign(i.mul(r)),r.assign(Jo(qo(Nn(0),r),Nn(2.2))),r.assign(aT.mul(r)),r.assign(ou(r,0,1)),r}).setLayout({name:"agxToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),dT=ln(([e,t])=>{const r=mn(.76),s=mn(.15);e=e.mul(t);const i=Ho(e.r,Ho(e.g,e.b)),n=xu(i.lessThan(.08),i.sub(La(6.25,i.mul(i))),.04);e.subAssign(n);const a=qo(e.r,qo(e.g,e.b));hn(a.lessThan(r),()=>e);const o=Fa(1,r),u=Fa(1,o.mul(o).div(a.add(o.sub(r))));e.mulAssign(u.div(a));const l=Fa(1,Pa(1,s.mul(a.sub(u)).add(1)));return au(e,Nn(u),l)}).setLayout({name:"neutralToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]});class cT extends li{static get type(){return"CodeNode"}constructor(e="",t=[],r=""){super("code"),this.isCodeNode=!0,this.global=!0,this.code=e,this.includes=t,this.language=r}setIncludes(e){return this.includes=e,this}getIncludes(){return this.includes}generate(e){const t=this.getIncludes(e);for(const r of t)r.build(e);const r=e.getCodeFromNode(this,this.getNodeType(e));return r.code=this.code,r.code}serialize(e){super.serialize(e),e.code=this.code,e.language=this.language}deserialize(e){super.deserialize(e),this.code=e.code,this.language=e.language}}const hT=sn(cT).setParameterLength(1,3);class pT extends cT{static get type(){return"FunctionNode"}constructor(e="",t=[],r=""){super(e,t,r)}getNodeType(e){return this.getNodeFunction(e).type}getMemberType(e,t){const r=this.getNodeType(e);return e.getStructTypeNode(r).getMemberType(e,t)}getInputs(e){return this.getNodeFunction(e).inputs}getNodeFunction(e){const t=e.getDataFromNode(this);let r=t.nodeFunction;return void 0===r&&(r=e.parser.parseFunction(this.code),t.nodeFunction=r),r}generate(e,t){super.generate(e);const r=this.getNodeFunction(e),s=r.name,i=r.type,n=e.getCodeFromNode(this,i);""!==s&&(n.name=s);const a=e.getPropertyName(n),o=this.getNodeFunction(e).getCode(a);return n.code=o+"\n","property"===t?a:e.format(`${a}()`,i,t)}}const gT=(e,t=[],r="")=>{for(let e=0;e<t.length;e++){const r=t[e];"function"==typeof r&&(t[e]=r.functionNode)}const s=new pT(e,t,r),i=(...e)=>s.call(...e);return i.functionNode=s,i};function mT(e){let t;const r=e.context.getViewZ;return void 0!==r&&(t=r(this)),(t||Jd.z).negate()}const fT=ln(([e,t],r)=>{const s=mT(r);return du(e,t,s)}),yT=ln(([e],t)=>{const r=mT(t);return e.mul(e,r,r).negate().exp().oneMinus()}),bT=ln(([e,t],r)=>{const s=mT(r),i=t.sub(Qd.y).max(0).toConst().mul(s).toConst();return e.mul(e,i,i).negate().exp().oneMinus()}),xT=ln(([e,t])=>An(t.toFloat().mix(na.rgb,e.toVec3()),na.a));let TT=null,_T=null;class vT extends li{static get type(){return"RangeNode"}constructor(e=mn(),t=mn()){super(),this.minNode=e,this.maxNode=t}getVectorLength(e){const t=this.getConstNode(this.minNode),r=this.getConstNode(this.maxNode),s=e.getTypeLength(js(t.value)),i=e.getTypeLength(js(r.value));return s>i?s:i}getNodeType(e){return e.object.count>1?e.getTypeFromLength(this.getVectorLength(e)):"float"}getConstNode(e){let t=null;if(e.traverse(e=>{!0===e.isConstNode&&(t=e)}),null===t)throw new Bl('THREE.TSL: No "ConstNode" found in node graph.',this.stackTrace);return t}setup(e){const t=e.object;let r=null;if(t.count>1){const i=this.getConstNode(this.minNode),n=this.getConstNode(this.maxNode),a=i.value,o=n.value,u=e.getTypeLength(js(a)),d=e.getTypeLength(js(o));TT=TT||new s,_T=_T||new s,TT.setScalar(0),_T.setScalar(0),1===u?TT.setScalar(a):a.isColor?TT.set(a.r,a.g,a.b,1):TT.set(a.x,a.y,a.z||0,a.w||0),1===d?_T.setScalar(o):o.isColor?_T.set(o.r,o.g,o.b,1):_T.set(o.x,o.y,o.z||0,o.w||0);const c=4,h=c*t.count,p=new Float32Array(h);for(let e=0;e<h;e++){const t=e%c,r=TT.getComponent(t),s=_T.getComponent(t);p[e]=l.lerp(r,s,Math.random())}const g=this.getNodeType(e);if(4*t.count*4<=e.getUniformBufferLimit())r=Ol(p,"vec4",t.count).element(dp).convert(g);else{const t=new W(p,4);e.geometry.setAttribute("__range"+this.id,t),r=tl(t).convert(g)}}else r=mn(0);return r}}const NT=sn(vT).setParameterLength(2);class ST extends li{static get type(){return"ComputeBuiltinNode"}constructor(e,t){super(t),this._builtinName=e}getHash(e){return this.getBuiltinName(e)}getNodeType(){return this.nodeType}setBuiltinName(e){return this._builtinName=e,this}getBuiltinName(){return this._builtinName}hasBuiltin(e){return e.hasBuiltin(this._builtinName)}generate(e,t){const r=this.getBuiltinName(e),s=this.getNodeType(e);return"compute"===e.shaderStage?e.format(r,s,t):(d(`ComputeBuiltinNode: Compute built-in value ${r} can not be accessed in the ${e.shaderStage} stage`),e.generateConst(s))}serialize(e){super.serialize(e),e.global=this.global,e._builtinName=this._builtinName}deserialize(e){super.deserialize(e),this.global=e.global,this._builtinName=e._builtinName}}const RT=(e,t)=>new ST(e,t),ET=RT("numWorkgroups","uvec3"),AT=RT("workgroupId","uvec3"),wT=RT("globalId","uvec3"),CT=RT("localId","uvec3"),MT=RT("subgroupSize","uint");class BT extends li{constructor(e){super(),this.scope=e}generate(e){const{scope:t}=this,{renderer:r}=e;!0===r.backend.isWebGLBackend?e.addFlowCode(`\t// ${t}Barrier \n`):e.addLineFlowCode(`${t}Barrier()`,this)}}const FT=sn(BT);class LT extends di{constructor(e,t){super(e,t),this.isWorkgroupInfoElementNode=!0}generate(e,t){let r;const s=e.context.assign;if(r=super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}class PT extends li{constructor(e,t,r=0){super(t),this.bufferType=t,this.bufferCount=r,this.isWorkgroupInfoNode=!0,this.elementType=t,this.scope=e,this.name=""}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Ds),this.setName(e)}setScope(e){return this.scope=e,this}getElementType(){return this.elementType}getInputType(){return`${this.scope}Array`}element(e){return new LT(this,e)}generate(e){const t=""!==this.name?this.name:`${this.scope}Array_${this.id}`;return e.getScopedArray(t,this.scope.toLowerCase(),this.bufferType,this.bufferCount)}}class DT extends li{static get type(){return"AtomicFunctionNode"}constructor(e,t,r){super("uint"),this.method=e,this.pointerNode=t,this.valueNode=r,this.parents=!0}getInputType(e){return this.pointerNode.getNodeType(e)}getNodeType(e){return this.getInputType(e)}generate(e){const t=e.getNodeProperties(this),r=t.parents,s=this.method,i=this.getNodeType(e),n=this.getInputType(e),a=this.pointerNode,o=this.valueNode,u=[];u.push(`&${a.build(e,n)}`),null!==o&&u.push(o.build(e,n));const l=`${e.getMethod(s,i)}( ${u.join(", ")} )`;if(!(!!r&&(1===r.length&&!0===r[0].isStackNode)))return void 0===t.constNode&&(t.constNode=ml(l,i).toConst()),t.constNode.build(e);e.addLineFlowCode(l,this)}}DT.ATOMIC_LOAD="atomicLoad",DT.ATOMIC_STORE="atomicStore",DT.ATOMIC_ADD="atomicAdd",DT.ATOMIC_SUB="atomicSub",DT.ATOMIC_MAX="atomicMax",DT.ATOMIC_MIN="atomicMin",DT.ATOMIC_AND="atomicAnd",DT.ATOMIC_OR="atomicOr",DT.ATOMIC_XOR="atomicXor";const UT=sn(DT),IT=(e,t,r)=>UT(e,t,r).toStack();class OT extends hi{static get type(){return"SubgroupFunctionNode"}constructor(e,t=null,r=null){super(),this.method=e,this.aNode=t,this.bNode=r}getInputType(e){const t=this.aNode?this.aNode.getNodeType(e):null,r=this.bNode?this.bNode.getNodeType(e):null;return(e.isMatrix(t)?0:e.getTypeLength(t))>(e.isMatrix(r)?0:e.getTypeLength(r))?t:r}getNodeType(e){const t=this.method;return t===OT.SUBGROUP_ELECT?"bool":t===OT.SUBGROUP_BALLOT?"uvec4":this.getInputType(e)}generate(e,t){const r=this.method,s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,a=this.bNode,o=[];if(r===OT.SUBGROUP_BROADCAST||r===OT.SUBGROUP_SHUFFLE||r===OT.QUAD_BROADCAST){const t=a.getNodeType(e);o.push(n.build(e,s),a.build(e,"float"===t?"int":s))}else r===OT.SUBGROUP_SHUFFLE_XOR||r===OT.SUBGROUP_SHUFFLE_DOWN||r===OT.SUBGROUP_SHUFFLE_UP?o.push(n.build(e,s),a.build(e,"uint")):(null!==n&&o.push(n.build(e,i)),null!==a&&o.push(a.build(e,i)));const u=0===o.length?"()":`( ${o.join(", ")} )`;return e.format(`${e.getMethod(r,s)}${u}`,s,t)}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}OT.SUBGROUP_ELECT="subgroupElect",OT.SUBGROUP_BALLOT="subgroupBallot",OT.SUBGROUP_ADD="subgroupAdd",OT.SUBGROUP_INCLUSIVE_ADD="subgroupInclusiveAdd",OT.SUBGROUP_EXCLUSIVE_AND="subgroupExclusiveAdd",OT.SUBGROUP_MUL="subgroupMul",OT.SUBGROUP_INCLUSIVE_MUL="subgroupInclusiveMul",OT.SUBGROUP_EXCLUSIVE_MUL="subgroupExclusiveMul",OT.SUBGROUP_AND="subgroupAnd",OT.SUBGROUP_OR="subgroupOr",OT.SUBGROUP_XOR="subgroupXor",OT.SUBGROUP_MIN="subgroupMin",OT.SUBGROUP_MAX="subgroupMax",OT.SUBGROUP_ALL="subgroupAll",OT.SUBGROUP_ANY="subgroupAny",OT.SUBGROUP_BROADCAST_FIRST="subgroupBroadcastFirst",OT.QUAD_SWAP_X="quadSwapX",OT.QUAD_SWAP_Y="quadSwapY",OT.QUAD_SWAP_DIAGONAL="quadSwapDiagonal",OT.SUBGROUP_BROADCAST="subgroupBroadcast",OT.SUBGROUP_SHUFFLE="subgroupShuffle",OT.SUBGROUP_SHUFFLE_XOR="subgroupShuffleXor",OT.SUBGROUP_SHUFFLE_UP="subgroupShuffleUp",OT.SUBGROUP_SHUFFLE_DOWN="subgroupShuffleDown",OT.QUAD_BROADCAST="quadBroadcast";const VT=an(OT,OT.SUBGROUP_ELECT).setParameterLength(0),kT=an(OT,OT.SUBGROUP_BALLOT).setParameterLength(1),GT=an(OT,OT.SUBGROUP_ADD).setParameterLength(1),zT=an(OT,OT.SUBGROUP_INCLUSIVE_ADD).setParameterLength(1),$T=an(OT,OT.SUBGROUP_EXCLUSIVE_AND).setParameterLength(1),WT=an(OT,OT.SUBGROUP_MUL).setParameterLength(1),HT=an(OT,OT.SUBGROUP_INCLUSIVE_MUL).setParameterLength(1),qT=an(OT,OT.SUBGROUP_EXCLUSIVE_MUL).setParameterLength(1),jT=an(OT,OT.SUBGROUP_AND).setParameterLength(1),XT=an(OT,OT.SUBGROUP_OR).setParameterLength(1),KT=an(OT,OT.SUBGROUP_XOR).setParameterLength(1),YT=an(OT,OT.SUBGROUP_MIN).setParameterLength(1),QT=an(OT,OT.SUBGROUP_MAX).setParameterLength(1),ZT=an(OT,OT.SUBGROUP_ALL).setParameterLength(0),JT=an(OT,OT.SUBGROUP_ANY).setParameterLength(0),e_=an(OT,OT.SUBGROUP_BROADCAST_FIRST).setParameterLength(2),t_=an(OT,OT.QUAD_SWAP_X).setParameterLength(1),r_=an(OT,OT.QUAD_SWAP_Y).setParameterLength(1),s_=an(OT,OT.QUAD_SWAP_DIAGONAL).setParameterLength(1),i_=an(OT,OT.SUBGROUP_BROADCAST).setParameterLength(2),n_=an(OT,OT.SUBGROUP_SHUFFLE).setParameterLength(2),a_=an(OT,OT.SUBGROUP_SHUFFLE_XOR).setParameterLength(2),o_=an(OT,OT.SUBGROUP_SHUFFLE_UP).setParameterLength(2),u_=an(OT,OT.SUBGROUP_SHUFFLE_DOWN).setParameterLength(2),l_=an(OT,OT.QUAD_BROADCAST).setParameterLength(1);let d_;function c_(e){d_=d_||new WeakMap;let t=d_.get(e);return void 0===t&&d_.set(e,t={}),t}function h_(e){const t=c_(e);return t.shadowMatrix||(t.shadowMatrix=va("mat4").setGroup(xa).onRenderUpdate(t=>(!0===e.castShadow&&!1!==t.renderer.shadowMap.enabled||(e.shadow.camera.coordinateSystem!==t.camera.coordinateSystem&&(e.shadow.camera.coordinateSystem=t.camera.coordinateSystem,e.shadow.camera.updateProjectionMatrix()),e.shadow.updateMatrices(e)),e.shadow.matrix)))}function p_(e,t=Qd){const r=h_(e).mul(t);return r.xyz.div(r.w)}function g_(e){const t=c_(e);return t.position||(t.position=va(new r).setGroup(xa).onRenderUpdate((t,r)=>r.value.setFromMatrixPosition(e.matrixWorld)))}function m_(e){const t=c_(e);return t.targetPosition||(t.targetPosition=va(new r).setGroup(xa).onRenderUpdate((t,r)=>r.value.setFromMatrixPosition(e.target.matrixWorld)))}function f_(e){const t=c_(e);return t.viewPosition||(t.viewPosition=va(new r).setGroup(xa).onRenderUpdate(({camera:t},s)=>{s.value=s.value||new r,s.value.setFromMatrixPosition(e.matrixWorld),s.value.applyMatrix4(t.matrixWorldInverse)}))}const y_=e=>_d.transformDirection(g_(e).sub(m_(e))),b_=(e,t)=>{for(const r of t)if(r.isAnalyticLightNode&&r.light.id===e)return r;return null},x_=new WeakMap,T_=[];class __ extends li{static get type(){return"LightsNode"}constructor(){super("vec3"),this.totalDiffuseNode=In("vec3","totalDiffuse"),this.totalSpecularNode=In("vec3","totalSpecular"),this.outgoingLightNode=In("vec3","outgoingLight"),this._lights=[],this._lightNodes=null,this._lightNodesHash=null,this.global=!0}customCacheKey(){const e=this._lights;for(let t=0;t<e.length;t++){const r=e[t];if(T_.push(r.id),T_.push(r.castShadow?1:0),!0===r.isSpotLight){const e=null!==r.map?r.map.id:-1,t=r.colorNode?r.colorNode.getCacheKey():-1;T_.push(e,t)}}const t=Os(T_);return T_.length=0,t}getHash(e){if(null===this._lightNodesHash){null===this._lightNodes&&this.setupLightsNode(e);const t=[];for(const e of this._lightNodes)t.push(e.getHash());this._lightNodesHash="lights-"+t.join(",")}return this._lightNodesHash}analyze(e){const t=e.getNodeProperties(this);for(const r of t.nodes)r.build(e);t.outputNode.build(e)}setupLightsNode(e){const t=[],r=this._lightNodes,s=(e=>e.sort((e,t)=>e.id-t.id))(this._lights),i=e.renderer.library;for(const e of s)if(e.isNode)t.push(Ji(e));else{let s=null;if(null!==r&&(s=b_(e.id,r)),null===s){const r=i.getLightNodeClass(e.constructor);if(null===r){d(`LightsNode.setupNodeLights: Light node not found for ${e.constructor.name}`);continue}let s=null;x_.has(e)?s=x_.get(e):(s=new r(e),x_.set(e,s)),t.push(s)}}this._lightNodes=t}setupDirectLight(e,t,r){const{lightingModel:s,reflectedLight:i}=e.context;s.direct({...r,lightNode:t,reflectedLight:i},e)}setupDirectRectAreaLight(e,t,r){const{lightingModel:s,reflectedLight:i}=e.context;s.directRectArea({...r,lightNode:t,reflectedLight:i},e)}setupLights(e,t){for(const r of t)r.build(e)}getLightNodes(e){return null===this._lightNodes&&this.setupLightsNode(e),this._lightNodes}setup(e){const t=e.lightsNode;e.lightsNode=this;let r=this.outgoingLightNode;const s=e.context,i=s.lightingModel,n=e.getNodeProperties(this);if(i){const{totalDiffuseNode:t,totalSpecularNode:a}=this;s.outgoingLight=r;const o=e.addStack();n.nodes=o.nodes,i.start(e);const{backdrop:u,backdropAlpha:l}=s,{directDiffuse:d,directSpecular:c,indirectDiffuse:h,indirectSpecular:p}=s.reflectedLight;let g=d.add(h);null!==u&&(g=Nn(null!==l?l.mix(g,u):u)),t.assign(g),a.assign(c.add(p)),r.assign(t.add(a)),i.finish(e),r=r.bypass(e.removeStack())}else n.nodes=[];return e.lightsNode=t,r}setLights(e){return this._lights=e,this._lightNodes=null,this._lightNodesHash=null,this}getLights(){return this._lights}get hasLights(){return this._lights.length>0}}class v_ extends li{static get type(){return"ShadowBaseNode"}constructor(e){super(),this.light=e,this.updateBeforeType=ei.RENDER,this.isShadowBaseNode=!0}setupShadowPosition({context:e,material:t}){N_.assign(t.receivedShadowPositionNode||e.shadowPositionWorld||Qd)}}const N_=In("vec3","shadowPositionWorld");function S_(t,r={}){return r.toneMapping=t.toneMapping,r.toneMappingExposure=t.toneMappingExposure,r.outputColorSpace=t.outputColorSpace,r.renderTarget=t.getRenderTarget(),r.activeCubeFace=t.getActiveCubeFace(),r.activeMipmapLevel=t.getActiveMipmapLevel(),r.renderObjectFunction=t.getRenderObjectFunction(),r.pixelRatio=t.getPixelRatio(),r.mrt=t.getMRT(),r.clearColor=t.getClearColor(r.clearColor||new e),r.clearAlpha=t.getClearAlpha(),r.autoClear=t.autoClear,r.scissorTest=t.getScissorTest(),r}function R_(e,t){return t=S_(e,t),e.setMRT(null),e.setRenderObjectFunction(null),e.setClearColor(0,1),e.autoClear=!0,t}function E_(e,t){e.toneMapping=t.toneMapping,e.toneMappingExposure=t.toneMappingExposure,e.outputColorSpace=t.outputColorSpace,e.setRenderTarget(t.renderTarget,t.activeCubeFace,t.activeMipmapLevel),e.setRenderObjectFunction(t.renderObjectFunction),e.setPixelRatio(t.pixelRatio),e.setMRT(t.mrt),e.setClearColor(t.clearColor,t.clearAlpha),e.autoClear=t.autoClear,e.setScissorTest(t.scissorTest)}function A_(e,t={}){return t.background=e.background,t.backgroundNode=e.backgroundNode,t.overrideMaterial=e.overrideMaterial,t}function w_(e,t){return t=A_(e,t),e.background=null,e.backgroundNode=null,e.overrideMaterial=null,t}function C_(e,t){e.background=t.background,e.backgroundNode=t.backgroundNode,e.overrideMaterial=t.overrideMaterial}function M_(e,t,r){return r=w_(t,r=R_(e,r))}function B_(e,t,r){E_(e,r),C_(t,r)}var F_=Object.freeze({__proto__:null,resetRendererAndSceneState:M_,resetRendererState:R_,resetSceneState:w_,restoreRendererAndSceneState:B_,restoreRendererState:E_,restoreSceneState:C_,saveRendererAndSceneState:function(e,t,r={}){return r=A_(t,r=S_(e,r))},saveRendererState:S_,saveSceneState:A_});const L_=new WeakMap,P_=ln(({depthTexture:e,shadowCoord:t,depthLayer:r})=>{let s=Dl(e,t.xy).setName("t_basic");return e.isArrayTexture&&(s=s.depth(r)),s.compare(t.z)}),D_=ln(({depthTexture:e,shadowCoord:t,shadow:r,depthLayer:s})=>{const i=(t,r)=>{let i=Dl(e,t);return e.isArrayTexture&&(i=i.depth(s)),i.compare(r)},n=Lc("mapSize","vec2",r).setGroup(xa),a=Lc("radius","float",r).setGroup(xa),o=xn(1).div(n),u=a.mul(o.x),l=mx(Yl.xy).mul(6.28318530718);return Ba(i(t.xy.add(fx(0,5,l).mul(u)),t.z),i(t.xy.add(fx(1,5,l).mul(u)),t.z),i(t.xy.add(fx(2,5,l).mul(u)),t.z),i(t.xy.add(fx(3,5,l).mul(u)),t.z),i(t.xy.add(fx(4,5,l).mul(u)),t.z)).mul(.2)}),U_=ln(({depthTexture:e,shadowCoord:t,shadow:r,depthLayer:s})=>{const i=(t,r)=>{let i=Dl(e,t);return e.isArrayTexture&&(i=i.depth(s)),i.compare(r)},n=Lc("mapSize","vec2",r).setGroup(xa),a=xn(1).div(n),o=a.x,u=a.y,l=t.xy,d=So(l.mul(n).add(.5));return l.subAssign(d.mul(a)),Ba(i(l,t.z),i(l.add(xn(o,0)),t.z),i(l.add(xn(0,u)),t.z),i(l.add(a),t.z),au(i(l.add(xn(o.negate(),0)),t.z),i(l.add(xn(o.mul(2),0)),t.z),d.x),au(i(l.add(xn(o.negate(),u)),t.z),i(l.add(xn(o.mul(2),u)),t.z),d.x),au(i(l.add(xn(0,u.negate())),t.z),i(l.add(xn(0,u.mul(2))),t.z),d.y),au(i(l.add(xn(o,u.negate())),t.z),i(l.add(xn(o,u.mul(2))),t.z),d.y),au(au(i(l.add(xn(o.negate(),u.negate())),t.z),i(l.add(xn(o.mul(2),u.negate())),t.z),d.x),au(i(l.add(xn(o.negate(),u.mul(2))),t.z),i(l.add(xn(o.mul(2),u.mul(2))),t.z),d.x),d.y)).mul(1/9)}),I_=ln(({depthTexture:e,shadowCoord:t,depthLayer:r},s)=>{let i=Dl(e).sample(t.xy);e.isArrayTexture&&(i=i.depth(r)),i=i.rg;const n=i.x,a=qo(1e-7,i.y.mul(i.y)),o=s.renderer.reversedDepthBuffer?jo(n,t.z):jo(t.z,n),u=mn(1).toVar();return hn(o.notEqual(1),()=>{const e=t.z.sub(n);let r=a.div(a.add(e.mul(e)));r=ou(Fa(r,.3).div(.65)),u.assign(qo(o,r))}),u}),O_=e=>{let t=L_.get(e);return void 0===t&&(t=new mg,t.colorNode=An(0,0,0,1),t.isShadowPassMaterial=!0,t.name="ShadowMaterial",t.blending=ee,t.fog=!1,L_.set(e,t)),t},V_=e=>{const t=L_.get(e);void 0!==t&&(t.dispose(),L_.delete(e))},k_=new gy,G_=[],z_=(e,t,r,s)=>{G_[0]=e,G_[1]=t;let i=k_.get(G_);return void 0!==i&&i.shadowType===r&&i.useVelocity===s||(i=(i,n,a,o,u,l,...d)=>{(!0===i.castShadow||i.receiveShadow&&r===Ye)&&(s&&(Ks(i).useVelocity=!0),i.onBeforeShadow(e,i,a,t.camera,o,n.overrideMaterial,l),e.renderObject(i,n,a,o,u,l,...d),i.onAfterShadow(e,i,a,t.camera,o,n.overrideMaterial,l))},i.shadowType=r,i.useVelocity=s,k_.set(G_,i)),G_[0]=null,G_[1]=null,i},$_=ln(({samples:e,radius:t,size:r,shadowPass:s,depthLayer:i})=>{const n=mn(0).toVar("meanVertical"),a=mn(0).toVar("squareMeanVertical"),o=e.lessThanEqual(mn(1)).select(mn(0),mn(2).div(e.sub(1))),u=e.lessThanEqual(mn(1)).select(mn(0),mn(-1));Rp({start:fn(0),end:fn(e),type:"int",condition:"<"},({i:e})=>{const l=u.add(mn(e).mul(o));let d=s.sample(Ba(Yl.xy,xn(0,l).mul(t)).div(r));s.value.isArrayTexture&&(d=d.depth(i)),d=d.x,n.addAssign(d),a.addAssign(d.mul(d))}),n.divAssign(e),a.divAssign(e);const l=xo(a.sub(n.mul(n)).max(0));return xn(n,l)}),W_=ln(({samples:e,radius:t,size:r,shadowPass:s,depthLayer:i})=>{const n=mn(0).toVar("meanHorizontal"),a=mn(0).toVar("squareMeanHorizontal"),o=e.lessThanEqual(mn(1)).select(mn(0),mn(2).div(e.sub(1))),u=e.lessThanEqual(mn(1)).select(mn(0),mn(-1));Rp({start:fn(0),end:fn(e),type:"int",condition:"<"},({i:e})=>{const l=u.add(mn(e).mul(o));let d=s.sample(Ba(Yl.xy,xn(l,0).mul(t)).div(r));s.value.isArrayTexture&&(d=d.depth(i)),n.addAssign(d.x),a.addAssign(Ba(d.y.mul(d.y),d.x.mul(d.x)))}),n.divAssign(e),a.divAssign(e);const l=xo(a.sub(n.mul(n)).max(0));return xn(n,l)}),H_=[P_,D_,U_,I_];let q_;const j_=new ux;class X_ extends v_{static get type(){return"ShadowNode"}constructor(e,t=null){super(e),this.shadow=t||e.shadow,this.shadowMap=null,this.vsmShadowMapVertical=null,this.vsmShadowMapHorizontal=null,this.vsmMaterialVertical=null,this.vsmMaterialHorizontal=null,this._node=null,this._currentShadowType=null,this._cameraFrameId=new WeakMap,this.isShadowNode=!0,this.depthLayer=0}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i,depthLayer:n}){const a=s.x.greaterThanEqual(0).and(s.x.lessThanEqual(1)).and(s.y.greaterThanEqual(0)).and(s.y.lessThanEqual(1)).and(s.z.lessThanEqual(1)),o=t({depthTexture:r,shadowCoord:s,shadow:i,depthLayer:n});return a.select(o,mn(1))}setupShadowCoord(e,t){const{shadow:r}=this,{renderer:s}=e,i=r.biasNode||Lc("bias","float",r).setGroup(xa);let n,a=t;if(r.camera.isOrthographicCamera||!0!==s.logarithmicDepthBuffer)a=a.xyz.div(a.w),n=a.z;else{const e=a.w;a=a.xy.div(e);const t=Lc("near","float",r.camera).setGroup(xa),s=Lc("far","float",r.camera).setGroup(xa);n=Qp(e.negate(),t,s)}return a=Nn(a.x,a.y.oneMinus(),s.reversedDepthBuffer?n.sub(i):n.add(i)),a}getShadowFilterFn(e){return H_[e]}setupRenderTarget(e,t){const r=new Y(e.mapSize.width,e.mapSize.height);r.name="ShadowDepthTexture",r.compareFunction=t.renderer.reversedDepthBuffer?Qe:Ze;const s=t.createRenderTarget(e.mapSize.width,e.mapSize.height);return s.texture.name="ShadowMap",s.texture.type=e.mapType,s.depthTexture=r,{shadowMap:s,depthTexture:r}}setupShadow(e){const{renderer:t,camera:r}=e,{light:s,shadow:i}=this,{depthTexture:n,shadowMap:a}=this.setupRenderTarget(i,e),o=t.shadowMap.type;if(o===Je||o===et?(n.minFilter=oe,n.magFilter=oe):(n.minFilter=w,n.magFilter=w),i.camera.coordinateSystem=r.coordinateSystem,i.camera.updateProjectionMatrix(),o===Ye&&!0!==i.isPointLightShadow){n.compareFunction=null,a.depth>1?(a._vsmShadowMapVertical||(a._vsmShadowMapVertical=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:G,type:be,depth:a.depth,depthBuffer:!1}),a._vsmShadowMapVertical.texture.name="VSMVertical"),this.vsmShadowMapVertical=a._vsmShadowMapVertical,a._vsmShadowMapHorizontal||(a._vsmShadowMapHorizontal=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:G,type:be,depth:a.depth,depthBuffer:!1}),a._vsmShadowMapHorizontal.texture.name="VSMHorizontal"),this.vsmShadowMapHorizontal=a._vsmShadowMapHorizontal):(this.vsmShadowMapVertical=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:G,type:be,depthBuffer:!1}),this.vsmShadowMapHorizontal=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:G,type:be,depthBuffer:!1}));let t=Dl(n);n.isArrayTexture&&(t=t.depth(this.depthLayer));let r=Dl(this.vsmShadowMapVertical.texture);n.isArrayTexture&&(r=r.depth(this.depthLayer));const s=Lc("blurSamples","float",i).setGroup(xa),o=Lc("radius","float",i).setGroup(xa),u=Lc("mapSize","vec2",i).setGroup(xa);let l=this.vsmMaterialVertical||(this.vsmMaterialVertical=new mg);l.fragmentNode=$_({samples:s,radius:o,size:u,shadowPass:t,depthLayer:this.depthLayer}).context(e.getSharedContext()),l.name="VSMVertical",l=this.vsmMaterialHorizontal||(this.vsmMaterialHorizontal=new mg),l.fragmentNode=W_({samples:s,radius:o,size:u,shadowPass:r,depthLayer:this.depthLayer}).context(e.getSharedContext()),l.name="VSMHorizontal"}const u=Lc("intensity","float",i).setGroup(xa),l=Lc("normalBias","float",i).setGroup(xa),d=h_(s).mul(N_.add(cc.mul(l))),c=this.setupShadowCoord(e,d),h=i.filterNode||this.getShadowFilterFn(t.shadowMap.type)||null;if(null===h)throw new Error("THREE.WebGPURenderer: Shadow map type not supported yet.");const p=o===Ye&&!0!==i.isPointLightShadow?this.vsmShadowMapHorizontal.texture:n,g=this.setupShadowFilter(e,{filterFn:h,shadowTexture:a.texture,depthTexture:p,shadowCoord:c,shadow:i,depthLayer:this.depthLayer});let m,f;!0===t.shadowMap.transmitted&&(a.texture.isCubeTexture?m=Mc(a.texture,c.xyz):(m=Dl(a.texture,c),n.isArrayTexture&&(m=m.depth(this.depthLayer)))),f=m?au(1,g.rgb.mix(m,1),u.mul(m.a)).toVar():au(1,g,u).toVar(),this.shadowMap=a,this.shadow.map=a;const y=`${this.light.type} Shadow [ ${this.light.name||"ID: "+this.light.id} ]`;return m&&f.toInspector(`${y} / Color`,()=>this.shadowMap.texture.isCubeTexture?Mc(this.shadowMap.texture):Dl(this.shadowMap.texture)),f.toInspector(`${y} / Depth`,()=>this.shadowMap.texture.isCubeTexture?Mc(this.shadowMap.texture).r.oneMinus():Ul(this.shadowMap.depthTexture,El().mul(wl(Dl(this.shadowMap.depthTexture)))).r.oneMinus())}setup(e){if(!1!==e.renderer.shadowMap.enabled)return ln(()=>{const t=e.renderer.shadowMap.type;this._currentShadowType!==t&&(this._reset(),this._node=null);let r=this._node;return this.setupShadowPosition(e),null===r&&(this._node=r=this.setupShadow(e),this._currentShadowType=t),e.material.receivedShadowNode&&(r=e.material.receivedShadowNode(r)),r})()}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e;t.updateMatrices(s),r.setSize(t.mapSize.width,t.mapSize.height,r.depth);const a=n.name;n.name=`Shadow Map [ ${s.name||"ID: "+s.id} ]`,i.render(n,t.camera),n.name=a}updateShadow(e){const{shadowMap:t,light:r,shadow:s}=this,{renderer:i,scene:n,camera:a}=e,o=i.shadowMap.type,u=t.depthTexture.version;this._depthVersionCached=u;const l=s.camera.layers.mask;4294967294&s.camera.layers.mask||(s.camera.layers.mask=a.layers.mask);const d=i.getRenderObjectFunction(),c=i.getMRT(),h=!!c&&c.has("velocity");q_=M_(i,n,q_),n.overrideMaterial=O_(r),i.setRenderObjectFunction(z_(i,s,o,h)),i.setClearColor(0,0),i.setRenderTarget(t),this.renderShadow(e),i.setRenderObjectFunction(d),o===Ye&&!0!==s.isPointLightShadow&&this.vsmPass(i),s.camera.layers.mask=l,B_(i,n,q_)}vsmPass(e){const{shadow:t}=this,r=this.shadowMap.depth;this.vsmShadowMapVertical.setSize(t.mapSize.width,t.mapSize.height,r),this.vsmShadowMapHorizontal.setSize(t.mapSize.width,t.mapSize.height,r),e.setRenderTarget(this.vsmShadowMapVertical),j_.material=this.vsmMaterialVertical,j_.render(e),e.setRenderTarget(this.vsmShadowMapHorizontal),j_.material=this.vsmMaterialHorizontal,j_.render(e)}dispose(){this._reset(),super.dispose()}_reset(){this._currentShadowType=null,V_(this.light),this.shadowMap&&(this.shadowMap.dispose(),this.shadowMap=null),null!==this.vsmShadowMapVertical&&(this.vsmShadowMapVertical.dispose(),this.vsmShadowMapVertical=null,this.vsmMaterialVertical.dispose(),this.vsmMaterialVertical=null),null!==this.vsmShadowMapHorizontal&&(this.vsmShadowMapHorizontal.dispose(),this.vsmShadowMapHorizontal=null,this.vsmMaterialHorizontal.dispose(),this.vsmMaterialHorizontal=null)}updateBefore(e){const{shadow:t}=this;let r=t.needsUpdate||t.autoUpdate;r&&(this._cameraFrameId[e.camera]===e.frameId&&(r=!1),this._cameraFrameId[e.camera]=e.frameId),r&&(this.updateShadow(e),this.shadowMap.depthTexture.version===this._depthVersionCached&&(t.needsUpdate=!1))}}const K_=(e,t)=>new X_(e,t),Y_=new e,Q_=new a,Z_=new r,J_=new r,ev=[new r(1,0,0),new r(-1,0,0),new r(0,-1,0),new r(0,1,0),new r(0,0,1),new r(0,0,-1)],tv=[new r(0,-1,0),new r(0,-1,0),new r(0,0,-1),new r(0,0,1),new r(0,-1,0),new r(0,-1,0)],rv=[new r(1,0,0),new r(-1,0,0),new r(0,1,0),new r(0,-1,0),new r(0,0,1),new r(0,0,-1)],sv=[new r(0,-1,0),new r(0,-1,0),new r(0,0,1),new r(0,0,-1),new r(0,-1,0),new r(0,-1,0)],iv=ln(({depthTexture:e,bd3D:t,dp:r})=>Mc(e,t).compare(r)),nv=ln(({depthTexture:e,bd3D:t,dp:r,shadow:s})=>{const i=Lc("radius","float",s).setGroup(xa),n=Lc("mapSize","vec2",s).setGroup(xa),a=i.div(n.x),o=Bo(t),u=No(Zo(t,o.x.greaterThan(o.z).select(Nn(0,1,0),Nn(1,0,0)))),l=Zo(t,u),d=mx(Yl.xy).mul(6.28318530718),c=fx(0,5,d),h=fx(1,5,d),p=fx(2,5,d),g=fx(3,5,d),m=fx(4,5,d);return Mc(e,t.add(u.mul(c.x).add(l.mul(c.y)).mul(a))).compare(r).add(Mc(e,t.add(u.mul(h.x).add(l.mul(h.y)).mul(a))).compare(r)).add(Mc(e,t.add(u.mul(p.x).add(l.mul(p.y)).mul(a))).compare(r)).add(Mc(e,t.add(u.mul(g.x).add(l.mul(g.y)).mul(a))).compare(r)).add(Mc(e,t.add(u.mul(m.x).add(l.mul(m.y)).mul(a))).compare(r)).mul(.2)}),av=ln(({filterFn:e,depthTexture:t,shadowCoord:r,shadow:s},i)=>{const n=r.xyz.toConst(),a=n.abs().toConst(),o=a.x.max(a.y).max(a.z),u=va("float").setGroup(xa).onRenderUpdate(()=>s.camera.near),l=va("float").setGroup(xa).onRenderUpdate(()=>s.camera.far),d=Lc("bias","float",s).setGroup(xa),c=mn(1).toVar();return hn(o.sub(l).lessThanEqual(0).and(o.sub(u).greaterThanEqual(0)),()=>{let r;i.renderer.reversedDepthBuffer?(r=Kp(o.negate(),u,l),r.subAssign(d)):(r=Xp(o.negate(),u,l),r.addAssign(d));const a=n.normalize();c.assign(e({depthTexture:t,bd3D:a,dp:r,shadow:s}))}),c});class ov extends X_{static get type(){return"PointShadowNode"}constructor(e,t=null){super(e,t)}getShadowFilterFn(e){return e===tt?iv:nv}setupShadowCoord(e,t){return t}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i}){return av({filterFn:t,depthTexture:r,shadowCoord:s,shadow:i})}setupRenderTarget(e,t){const r=new rt(e.mapSize.width);r.name="PointShadowDepthTexture",r.compareFunction=t.renderer.reversedDepthBuffer?Qe:Ze;const s=t.createCubeRenderTarget(e.mapSize.width);return s.texture.name="PointShadowMap",s.depthTexture=r,{shadowMap:s,depthTexture:r}}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e,a=t.camera,o=t.matrix,u=i.coordinateSystem===h,l=u?ev:rv,d=u?tv:sv;r.setSize(t.mapSize.width,t.mapSize.width);const c=i.autoClear,p=i.getClearColor(Y_),g=i.getClearAlpha();i.autoClear=!1,i.setClearColor(t.clearColor,t.clearAlpha);for(let e=0;e<6;e++){i.setRenderTarget(r,e),i.clear();const u=s.distance||a.far;u!==a.far&&(a.far=u,a.updateProjectionMatrix()),Z_.setFromMatrixPosition(s.matrixWorld),a.position.copy(Z_),J_.copy(a.position),J_.add(l[e]),a.up.copy(d[e]),a.lookAt(J_),a.updateMatrixWorld(),o.makeTranslation(-Z_.x,-Z_.y,-Z_.z),Q_.multiplyMatrices(a.projectionMatrix,a.matrixWorldInverse),t._frustum.setFromProjectionMatrix(Q_,a.coordinateSystem,a.reversedDepth);const c=n.name;n.name=`Point Light Shadow [ ${s.name||"ID: "+s.id} ] - Face ${e+1}`,i.render(n,a),n.name=c}i.autoClear=c,i.setClearColor(p,g)}}const uv=(e,t)=>new ov(e,t);class lv extends Fp{static get type(){return"AnalyticLightNode"}constructor(t=null){super(),this.light=t,this.color=new e,this.colorNode=t&&t.colorNode||va(this.color).setGroup(xa),this.baseColorNode=null,this.shadowNode=null,this.shadowColorNode=null,this.isAnalyticLightNode=!0,this.updateType=ei.FRAME,t&&t.shadow&&(this._shadowDisposeListener=()=>{this.disposeShadow()},t.addEventListener("dispose",this._shadowDisposeListener))}dispose(){this._shadowDisposeListener&&this.light.removeEventListener("dispose",this._shadowDisposeListener),super.dispose()}disposeShadow(){null!==this.shadowNode&&(this.shadowNode.dispose(),this.shadowNode=null),this.shadowColorNode=null,null!==this.baseColorNode&&(this.colorNode=this.baseColorNode,this.baseColorNode=null)}getHash(){return this.light.uuid}getLightVector(e){return f_(this.light).sub(e.context.positionView||Jd)}setupDirect(){}setupDirectRectArea(){}setupShadowNode(){return K_(this.light)}setupShadow(e){const{renderer:t}=e;if(!1===t.shadowMap.enabled)return;let r=this.shadowColorNode;if(null===r){const e=this.light.shadow.shadowNode;let t;t=void 0!==e?Ji(e):this.setupShadowNode(),this.shadowNode=t,this.shadowColorNode=r=this.colorNode.mul(t),this.baseColorNode=this.colorNode}e.context.getShadow&&(r=e.context.getShadow(this,e)),this.colorNode=r}setup(e){this.colorNode=this.baseColorNode||this.colorNode,this.light.castShadow?e.object.receiveShadow&&this.setupShadow(e):null!==this.shadowNode&&(this.shadowNode.dispose(),this.shadowNode=null,this.shadowColorNode=null);const t=this.setupDirect(e),r=this.setupDirectRectArea(e);t&&e.lightsNode.setupDirectLight(e,this,t),r&&e.lightsNode.setupDirectRectAreaLight(e,this,r)}update(){const{light:e}=this;this.color.copy(e.color).multiplyScalar(e.intensity)}}const dv=ln(({lightDistance:e,cutoffDistance:t,decayExponent:r})=>{const s=e.pow(r).max(.01).reciprocal();return t.greaterThan(0).select(s.mul(e.div(t).pow4().oneMinus().clamp().pow2()),s)}),cv=({color:e,lightVector:t,cutoffDistance:r,decayExponent:s})=>{const i=t.normalize(),n=t.length(),a=dv({lightDistance:n,cutoffDistance:r,decayExponent:s});return{lightDirection:i,lightColor:e.mul(a)}};class hv extends lv{static get type(){return"PointLightNode"}constructor(e=null){super(e),this.cutoffDistanceNode=va(0).setGroup(xa),this.decayExponentNode=va(2).setGroup(xa)}update(e){const{light:t}=this;super.update(e),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}setupShadowNode(){return uv(this.light)}setupDirect(e){return cv({color:this.colorNode,lightVector:this.getLightVector(e),cutoffDistance:this.cutoffDistanceNode,decayExponent:this.decayExponentNode})}}const pv=ln(([e=El()])=>{const t=e.mul(2),r=t.x.floor(),s=t.y.floor();return r.add(s).mod(2).sign()}),gv=ln(([e=El()],{renderer:t,material:r})=>{const s=nu(e.mul(2).sub(1));let i;if(r.alphaToCoverage&&t.currentSamples>0){const e=mn(s.fwidth()).toVar();i=du(e.oneMinus(),e.add(1),s).oneMinus()}else i=xu(s.greaterThan(1),0,1);return i}),mv=ln(([e,t,r])=>{const s=mn(r).toVar(),i=mn(t).toVar(),n=bn(e).toVar();return xu(n,i,s)}).setLayout({name:"mx_select",type:"float",inputs:[{name:"b",type:"bool"},{name:"t",type:"float"},{name:"f",type:"float"}]}),fv=ln(([e,t])=>{const r=bn(t).toVar(),s=mn(e).toVar();return xu(r,s.negate(),s)}).setLayout({name:"mx_negate_if",type:"float",inputs:[{name:"val",type:"float"},{name:"b",type:"bool"}]}),yv=ln(([e])=>{const t=mn(e).toVar();return fn(_o(t))}).setLayout({name:"mx_floor",type:"int",inputs:[{name:"x",type:"float"}]}),bv=ln(([e,t])=>{const r=mn(e).toVar();return t.assign(yv(r)),r.sub(mn(t))}),xv=Lb([ln(([e,t,r,s,i,n])=>{const a=mn(n).toVar(),o=mn(i).toVar(),u=mn(s).toVar(),l=mn(r).toVar(),d=mn(t).toVar(),c=mn(e).toVar(),h=mn(Fa(1,o)).toVar();return Fa(1,a).mul(c.mul(h).add(d.mul(o))).add(a.mul(l.mul(h).add(u.mul(o))))}).setLayout({name:"mx_bilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"}]}),ln(([e,t,r,s,i,n])=>{const a=mn(n).toVar(),o=mn(i).toVar(),u=Nn(s).toVar(),l=Nn(r).toVar(),d=Nn(t).toVar(),c=Nn(e).toVar(),h=mn(Fa(1,o)).toVar();return Fa(1,a).mul(c.mul(h).add(d.mul(o))).add(a.mul(l.mul(h).add(u.mul(o))))}).setLayout({name:"mx_bilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"}]})]),Tv=Lb([ln(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=mn(d).toVar(),h=mn(l).toVar(),p=mn(u).toVar(),g=mn(o).toVar(),m=mn(a).toVar(),f=mn(n).toVar(),y=mn(i).toVar(),b=mn(s).toVar(),x=mn(r).toVar(),T=mn(t).toVar(),_=mn(e).toVar(),v=mn(Fa(1,p)).toVar(),N=mn(Fa(1,h)).toVar();return mn(Fa(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(x.mul(v).add(b.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))}).setLayout({name:"mx_trilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"v4",type:"float"},{name:"v5",type:"float"},{name:"v6",type:"float"},{name:"v7",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]}),ln(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=mn(d).toVar(),h=mn(l).toVar(),p=mn(u).toVar(),g=Nn(o).toVar(),m=Nn(a).toVar(),f=Nn(n).toVar(),y=Nn(i).toVar(),b=Nn(s).toVar(),x=Nn(r).toVar(),T=Nn(t).toVar(),_=Nn(e).toVar(),v=mn(Fa(1,p)).toVar(),N=mn(Fa(1,h)).toVar();return mn(Fa(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(x.mul(v).add(b.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))}).setLayout({name:"mx_trilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"v4",type:"vec3"},{name:"v5",type:"vec3"},{name:"v6",type:"vec3"},{name:"v7",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]})]),_v=ln(([e,t,r])=>{const s=mn(r).toVar(),i=mn(t).toVar(),n=yn(e).toVar(),a=yn(n.bitAnd(yn(7))).toVar(),o=mn(mv(a.lessThan(yn(4)),i,s)).toVar(),u=mn(La(2,mv(a.lessThan(yn(4)),s,i))).toVar();return fv(o,bn(a.bitAnd(yn(1)))).add(fv(u,bn(a.bitAnd(yn(2)))))}).setLayout({name:"mx_gradient_float_0",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"}]}),vv=ln(([e,t,r,s])=>{const i=mn(s).toVar(),n=mn(r).toVar(),a=mn(t).toVar(),o=yn(e).toVar(),u=yn(o.bitAnd(yn(15))).toVar(),l=mn(mv(u.lessThan(yn(8)),a,n)).toVar(),d=mn(mv(u.lessThan(yn(4)),n,mv(u.equal(yn(12)).or(u.equal(yn(14))),a,i))).toVar();return fv(l,bn(u.bitAnd(yn(1)))).add(fv(d,bn(u.bitAnd(yn(2)))))}).setLayout({name:"mx_gradient_float_1",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),Nv=Lb([_v,vv]),Sv=ln(([e,t,r])=>{const s=mn(r).toVar(),i=mn(t).toVar(),n=Rn(e).toVar();return Nn(Nv(n.x,i,s),Nv(n.y,i,s),Nv(n.z,i,s))}).setLayout({name:"mx_gradient_vec3_0",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"}]}),Rv=ln(([e,t,r,s])=>{const i=mn(s).toVar(),n=mn(r).toVar(),a=mn(t).toVar(),o=Rn(e).toVar();return Nn(Nv(o.x,a,n,i),Nv(o.y,a,n,i),Nv(o.z,a,n,i))}).setLayout({name:"mx_gradient_vec3_1",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),Ev=Lb([Sv,Rv]),Av=ln(([e])=>{const t=mn(e).toVar();return La(.6616,t)}).setLayout({name:"mx_gradient_scale2d_0",type:"float",inputs:[{name:"v",type:"float"}]}),wv=ln(([e])=>{const t=mn(e).toVar();return La(.982,t)}).setLayout({name:"mx_gradient_scale3d_0",type:"float",inputs:[{name:"v",type:"float"}]}),Cv=Lb([Av,ln(([e])=>{const t=Nn(e).toVar();return La(.6616,t)}).setLayout({name:"mx_gradient_scale2d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),Mv=Lb([wv,ln(([e])=>{const t=Nn(e).toVar();return La(.982,t)}).setLayout({name:"mx_gradient_scale3d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),Bv=ln(([e,t])=>{const r=fn(t).toVar(),s=yn(e).toVar();return s.shiftLeft(r).bitOr(s.shiftRight(fn(32).sub(r)))}).setLayout({name:"mx_rotl32",type:"uint",inputs:[{name:"x",type:"uint"},{name:"k",type:"int"}]}),Fv=ln(([e,t,r])=>{e.subAssign(r),e.bitXorAssign(Bv(r,fn(4))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(Bv(e,fn(6))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(Bv(t,fn(8))),t.addAssign(e),e.subAssign(r),e.bitXorAssign(Bv(r,fn(16))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(Bv(e,fn(19))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(Bv(t,fn(4))),t.addAssign(e)}),Lv=ln(([e,t,r])=>{const s=yn(r).toVar(),i=yn(t).toVar(),n=yn(e).toVar();return s.bitXorAssign(i),s.subAssign(Bv(i,fn(14))),n.bitXorAssign(s),n.subAssign(Bv(s,fn(11))),i.bitXorAssign(n),i.subAssign(Bv(n,fn(25))),s.bitXorAssign(i),s.subAssign(Bv(i,fn(16))),n.bitXorAssign(s),n.subAssign(Bv(s,fn(4))),i.bitXorAssign(n),i.subAssign(Bv(n,fn(14))),s.bitXorAssign(i),s.subAssign(Bv(i,fn(24))),s}).setLayout({name:"mx_bjfinal",type:"uint",inputs:[{name:"a",type:"uint"},{name:"b",type:"uint"},{name:"c",type:"uint"}]}),Pv=ln(([e])=>{const t=yn(e).toVar();return mn(t).div(mn(yn(fn(4294967295))))}).setLayout({name:"mx_bits_to_01",type:"float",inputs:[{name:"bits",type:"uint"}]}),Dv=ln(([e])=>{const t=mn(e).toVar();return t.mul(t).mul(t).mul(t.mul(t.mul(6).sub(15)).add(10))}).setLayout({name:"mx_fade",type:"float",inputs:[{name:"t",type:"float"}]}),Uv=Lb([ln(([e])=>{const t=fn(e).toVar(),r=yn(yn(1)).toVar(),s=yn(yn(fn(3735928559)).add(r.shiftLeft(yn(2))).add(yn(13))).toVar();return Lv(s.add(yn(t)),s,s)}).setLayout({name:"mx_hash_int_0",type:"uint",inputs:[{name:"x",type:"int"}]}),ln(([e,t])=>{const r=fn(t).toVar(),s=fn(e).toVar(),i=yn(yn(2)).toVar(),n=yn().toVar(),a=yn().toVar(),o=yn().toVar();return n.assign(a.assign(o.assign(yn(fn(3735928559)).add(i.shiftLeft(yn(2))).add(yn(13))))),n.addAssign(yn(s)),a.addAssign(yn(r)),Lv(n,a,o)}).setLayout({name:"mx_hash_int_1",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),ln(([e,t,r])=>{const s=fn(r).toVar(),i=fn(t).toVar(),n=fn(e).toVar(),a=yn(yn(3)).toVar(),o=yn().toVar(),u=yn().toVar(),l=yn().toVar();return o.assign(u.assign(l.assign(yn(fn(3735928559)).add(a.shiftLeft(yn(2))).add(yn(13))))),o.addAssign(yn(n)),u.addAssign(yn(i)),l.addAssign(yn(s)),Lv(o,u,l)}).setLayout({name:"mx_hash_int_2",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]}),ln(([e,t,r,s])=>{const i=fn(s).toVar(),n=fn(r).toVar(),a=fn(t).toVar(),o=fn(e).toVar(),u=yn(yn(4)).toVar(),l=yn().toVar(),d=yn().toVar(),c=yn().toVar();return l.assign(d.assign(c.assign(yn(fn(3735928559)).add(u.shiftLeft(yn(2))).add(yn(13))))),l.addAssign(yn(o)),d.addAssign(yn(a)),c.addAssign(yn(n)),Fv(l,d,c),l.addAssign(yn(i)),Lv(l,d,c)}).setLayout({name:"mx_hash_int_3",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"}]}),ln(([e,t,r,s,i])=>{const n=fn(i).toVar(),a=fn(s).toVar(),o=fn(r).toVar(),u=fn(t).toVar(),l=fn(e).toVar(),d=yn(yn(5)).toVar(),c=yn().toVar(),h=yn().toVar(),p=yn().toVar();return c.assign(h.assign(p.assign(yn(fn(3735928559)).add(d.shiftLeft(yn(2))).add(yn(13))))),c.addAssign(yn(l)),h.addAssign(yn(u)),p.addAssign(yn(o)),Fv(c,h,p),c.addAssign(yn(a)),h.addAssign(yn(n)),Lv(c,h,p)}).setLayout({name:"mx_hash_int_4",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"},{name:"yy",type:"int"}]})]),Iv=Lb([ln(([e,t])=>{const r=fn(t).toVar(),s=fn(e).toVar(),i=yn(Uv(s,r)).toVar(),n=Rn().toVar();return n.x.assign(i.bitAnd(fn(255))),n.y.assign(i.shiftRight(fn(8)).bitAnd(fn(255))),n.z.assign(i.shiftRight(fn(16)).bitAnd(fn(255))),n}).setLayout({name:"mx_hash_vec3_0",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),ln(([e,t,r])=>{const s=fn(r).toVar(),i=fn(t).toVar(),n=fn(e).toVar(),a=yn(Uv(n,i,s)).toVar(),o=Rn().toVar();return o.x.assign(a.bitAnd(fn(255))),o.y.assign(a.shiftRight(fn(8)).bitAnd(fn(255))),o.z.assign(a.shiftRight(fn(16)).bitAnd(fn(255))),o}).setLayout({name:"mx_hash_vec3_1",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]})]),Ov=Lb([ln(([e])=>{const t=xn(e).toVar(),r=fn().toVar(),s=fn().toVar(),i=mn(bv(t.x,r)).toVar(),n=mn(bv(t.y,s)).toVar(),a=mn(Dv(i)).toVar(),o=mn(Dv(n)).toVar(),u=mn(xv(Nv(Uv(r,s),i,n),Nv(Uv(r.add(fn(1)),s),i.sub(1),n),Nv(Uv(r,s.add(fn(1))),i,n.sub(1)),Nv(Uv(r.add(fn(1)),s.add(fn(1))),i.sub(1),n.sub(1)),a,o)).toVar();return Cv(u)}).setLayout({name:"mx_perlin_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"}]}),ln(([e])=>{const t=Nn(e).toVar(),r=fn().toVar(),s=fn().toVar(),i=fn().toVar(),n=mn(bv(t.x,r)).toVar(),a=mn(bv(t.y,s)).toVar(),o=mn(bv(t.z,i)).toVar(),u=mn(Dv(n)).toVar(),l=mn(Dv(a)).toVar(),d=mn(Dv(o)).toVar(),c=mn(Tv(Nv(Uv(r,s,i),n,a,o),Nv(Uv(r.add(fn(1)),s,i),n.sub(1),a,o),Nv(Uv(r,s.add(fn(1)),i),n,a.sub(1),o),Nv(Uv(r.add(fn(1)),s.add(fn(1)),i),n.sub(1),a.sub(1),o),Nv(Uv(r,s,i.add(fn(1))),n,a,o.sub(1)),Nv(Uv(r.add(fn(1)),s,i.add(fn(1))),n.sub(1),a,o.sub(1)),Nv(Uv(r,s.add(fn(1)),i.add(fn(1))),n,a.sub(1),o.sub(1)),Nv(Uv(r.add(fn(1)),s.add(fn(1)),i.add(fn(1))),n.sub(1),a.sub(1),o.sub(1)),u,l,d)).toVar();return Mv(c)}).setLayout({name:"mx_perlin_noise_float_1",type:"float",inputs:[{name:"p",type:"vec3"}]})]),Vv=Lb([ln(([e])=>{const t=xn(e).toVar(),r=fn().toVar(),s=fn().toVar(),i=mn(bv(t.x,r)).toVar(),n=mn(bv(t.y,s)).toVar(),a=mn(Dv(i)).toVar(),o=mn(Dv(n)).toVar(),u=Nn(xv(Ev(Iv(r,s),i,n),Ev(Iv(r.add(fn(1)),s),i.sub(1),n),Ev(Iv(r,s.add(fn(1))),i,n.sub(1)),Ev(Iv(r.add(fn(1)),s.add(fn(1))),i.sub(1),n.sub(1)),a,o)).toVar();return Cv(u)}).setLayout({name:"mx_perlin_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"vec2"}]}),ln(([e])=>{const t=Nn(e).toVar(),r=fn().toVar(),s=fn().toVar(),i=fn().toVar(),n=mn(bv(t.x,r)).toVar(),a=mn(bv(t.y,s)).toVar(),o=mn(bv(t.z,i)).toVar(),u=mn(Dv(n)).toVar(),l=mn(Dv(a)).toVar(),d=mn(Dv(o)).toVar(),c=Nn(Tv(Ev(Iv(r,s,i),n,a,o),Ev(Iv(r.add(fn(1)),s,i),n.sub(1),a,o),Ev(Iv(r,s.add(fn(1)),i),n,a.sub(1),o),Ev(Iv(r.add(fn(1)),s.add(fn(1)),i),n.sub(1),a.sub(1),o),Ev(Iv(r,s,i.add(fn(1))),n,a,o.sub(1)),Ev(Iv(r.add(fn(1)),s,i.add(fn(1))),n.sub(1),a,o.sub(1)),Ev(Iv(r,s.add(fn(1)),i.add(fn(1))),n,a.sub(1),o.sub(1)),Ev(Iv(r.add(fn(1)),s.add(fn(1)),i.add(fn(1))),n.sub(1),a.sub(1),o.sub(1)),u,l,d)).toVar();return Mv(c)}).setLayout({name:"mx_perlin_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec3"}]})]),kv=Lb([ln(([e])=>{const t=mn(e).toVar(),r=fn(yv(t)).toVar();return Pv(Uv(r))}).setLayout({name:"mx_cell_noise_float_0",type:"float",inputs:[{name:"p",type:"float"}]}),ln(([e])=>{const t=xn(e).toVar(),r=fn(yv(t.x)).toVar(),s=fn(yv(t.y)).toVar();return Pv(Uv(r,s))}).setLayout({name:"mx_cell_noise_float_1",type:"float",inputs:[{name:"p",type:"vec2"}]}),ln(([e])=>{const t=Nn(e).toVar(),r=fn(yv(t.x)).toVar(),s=fn(yv(t.y)).toVar(),i=fn(yv(t.z)).toVar();return Pv(Uv(r,s,i))}).setLayout({name:"mx_cell_noise_float_2",type:"float",inputs:[{name:"p",type:"vec3"}]}),ln(([e])=>{const t=An(e).toVar(),r=fn(yv(t.x)).toVar(),s=fn(yv(t.y)).toVar(),i=fn(yv(t.z)).toVar(),n=fn(yv(t.w)).toVar();return Pv(Uv(r,s,i,n))}).setLayout({name:"mx_cell_noise_float_3",type:"float",inputs:[{name:"p",type:"vec4"}]})]),Gv=Lb([ln(([e])=>{const t=mn(e).toVar(),r=fn(yv(t)).toVar();return Nn(Pv(Uv(r,fn(0))),Pv(Uv(r,fn(1))),Pv(Uv(r,fn(2))))}).setLayout({name:"mx_cell_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"float"}]}),ln(([e])=>{const t=xn(e).toVar(),r=fn(yv(t.x)).toVar(),s=fn(yv(t.y)).toVar();return Nn(Pv(Uv(r,s,fn(0))),Pv(Uv(r,s,fn(1))),Pv(Uv(r,s,fn(2))))}).setLayout({name:"mx_cell_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec2"}]}),ln(([e])=>{const t=Nn(e).toVar(),r=fn(yv(t.x)).toVar(),s=fn(yv(t.y)).toVar(),i=fn(yv(t.z)).toVar();return Nn(Pv(Uv(r,s,i,fn(0))),Pv(Uv(r,s,i,fn(1))),Pv(Uv(r,s,i,fn(2))))}).setLayout({name:"mx_cell_noise_vec3_2",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),ln(([e])=>{const t=An(e).toVar(),r=fn(yv(t.x)).toVar(),s=fn(yv(t.y)).toVar(),i=fn(yv(t.z)).toVar(),n=fn(yv(t.w)).toVar();return Nn(Pv(Uv(r,s,i,n,fn(0))),Pv(Uv(r,s,i,n,fn(1))),Pv(Uv(r,s,i,n,fn(2))))}).setLayout({name:"mx_cell_noise_vec3_3",type:"vec3",inputs:[{name:"p",type:"vec4"}]})]),zv=ln(([e,t,r,s])=>{const i=mn(s).toVar(),n=mn(r).toVar(),a=fn(t).toVar(),o=Nn(e).toVar(),u=mn(0).toVar(),l=mn(1).toVar();return Rp(a,()=>{u.addAssign(l.mul(Ov(o))),l.mulAssign(i),o.mulAssign(n)}),u}).setLayout({name:"mx_fractal_noise_float",type:"float",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),$v=ln(([e,t,r,s])=>{const i=mn(s).toVar(),n=mn(r).toVar(),a=fn(t).toVar(),o=Nn(e).toVar(),u=Nn(0).toVar(),l=mn(1).toVar();return Rp(a,()=>{u.addAssign(l.mul(Vv(o))),l.mulAssign(i),o.mulAssign(n)}),u}).setLayout({name:"mx_fractal_noise_vec3",type:"vec3",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),Wv=ln(([e,t,r,s])=>{const i=mn(s).toVar(),n=mn(r).toVar(),a=fn(t).toVar(),o=Nn(e).toVar();return xn(zv(o,a,n,i),zv(o.add(Nn(fn(19),fn(193),fn(17))),a,n,i))}).setLayout({name:"mx_fractal_noise_vec2",type:"vec2",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),Hv=ln(([e,t,r,s])=>{const i=mn(s).toVar(),n=mn(r).toVar(),a=fn(t).toVar(),o=Nn(e).toVar(),u=Nn($v(o,a,n,i)).toVar(),l=mn(zv(o.add(Nn(fn(19),fn(193),fn(17))),a,n,i)).toVar();return An(u,l)}).setLayout({name:"mx_fractal_noise_vec4",type:"vec4",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),qv=Lb([ln(([e,t,r,s,i,n,a])=>{const o=fn(a).toVar(),u=mn(n).toVar(),l=fn(i).toVar(),d=fn(s).toVar(),c=fn(r).toVar(),h=fn(t).toVar(),p=xn(e).toVar(),g=Nn(Gv(xn(h.add(d),c.add(l)))).toVar(),m=xn(g.x,g.y).toVar();m.subAssign(.5),m.mulAssign(u),m.addAssign(.5);const f=xn(xn(mn(h),mn(c)).add(m)).toVar(),y=xn(f.sub(p)).toVar();return hn(o.equal(fn(2)),()=>Bo(y.x).add(Bo(y.y))),hn(o.equal(fn(3)),()=>qo(Bo(y.x),Bo(y.y))),Qo(y,y)}).setLayout({name:"mx_worley_distance_0",type:"float",inputs:[{name:"p",type:"vec2"},{name:"x",type:"int"},{name:"y",type:"int"},{name:"xoff",type:"int"},{name:"yoff",type:"int"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),ln(([e,t,r,s,i,n,a,o,u])=>{const l=fn(u).toVar(),d=mn(o).toVar(),c=fn(a).toVar(),h=fn(n).toVar(),p=fn(i).toVar(),g=fn(s).toVar(),m=fn(r).toVar(),f=fn(t).toVar(),y=Nn(e).toVar(),b=Nn(Gv(Nn(f.add(p),m.add(h),g.add(c)))).toVar();b.subAssign(.5),b.mulAssign(d),b.addAssign(.5);const x=Nn(Nn(mn(f),mn(m),mn(g)).add(b)).toVar(),T=Nn(x.sub(y)).toVar();return hn(l.equal(fn(2)),()=>Bo(T.x).add(Bo(T.y)).add(Bo(T.z))),hn(l.equal(fn(3)),()=>qo(Bo(T.x),Bo(T.y),Bo(T.z))),Qo(T,T)}).setLayout({name:"mx_worley_distance_1",type:"float",inputs:[{name:"p",type:"vec3"},{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xoff",type:"int"},{name:"yoff",type:"int"},{name:"zoff",type:"int"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),jv=ln(([e,t,r])=>{const s=fn(r).toVar(),i=mn(t).toVar(),n=xn(e).toVar(),a=fn().toVar(),o=fn().toVar(),u=xn(bv(n.x,a),bv(n.y,o)).toVar(),l=mn(1e6).toVar();return Rp({start:-1,end:fn(1),name:"x",condition:"<="},({x:e})=>{Rp({start:-1,end:fn(1),name:"y",condition:"<="},({y:t})=>{const r=mn(qv(u,e,t,a,o,i,s)).toVar();l.assign(Ho(l,r))})}),hn(s.equal(fn(0)),()=>{l.assign(xo(l))}),l}).setLayout({name:"mx_worley_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),Xv=ln(([e,t,r])=>{const s=fn(r).toVar(),i=mn(t).toVar(),n=xn(e).toVar(),a=fn().toVar(),o=fn().toVar(),u=xn(bv(n.x,a),bv(n.y,o)).toVar(),l=xn(1e6,1e6).toVar();return Rp({start:-1,end:fn(1),name:"x",condition:"<="},({x:e})=>{Rp({start:-1,end:fn(1),name:"y",condition:"<="},({y:t})=>{const r=mn(qv(u,e,t,a,o,i,s)).toVar();hn(r.lessThan(l.x),()=>{l.y.assign(l.x),l.x.assign(r)}).ElseIf(r.lessThan(l.y),()=>{l.y.assign(r)})})}),hn(s.equal(fn(0)),()=>{l.assign(xo(l))}),l}).setLayout({name:"mx_worley_noise_vec2_0",type:"vec2",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),Kv=ln(([e,t,r])=>{const s=fn(r).toVar(),i=mn(t).toVar(),n=xn(e).toVar(),a=fn().toVar(),o=fn().toVar(),u=xn(bv(n.x,a),bv(n.y,o)).toVar(),l=Nn(1e6,1e6,1e6).toVar();return Rp({start:-1,end:fn(1),name:"x",condition:"<="},({x:e})=>{Rp({start:-1,end:fn(1),name:"y",condition:"<="},({y:t})=>{const r=mn(qv(u,e,t,a,o,i,s)).toVar();hn(r.lessThan(l.x),()=>{l.z.assign(l.y),l.y.assign(l.x),l.x.assign(r)}).ElseIf(r.lessThan(l.y),()=>{l.z.assign(l.y),l.y.assign(r)}).ElseIf(r.lessThan(l.z),()=>{l.z.assign(r)})})}),hn(s.equal(fn(0)),()=>{l.assign(xo(l))}),l}).setLayout({name:"mx_worley_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),Yv=Lb([jv,ln(([e,t,r])=>{const s=fn(r).toVar(),i=mn(t).toVar(),n=Nn(e).toVar(),a=fn().toVar(),o=fn().toVar(),u=fn().toVar(),l=Nn(bv(n.x,a),bv(n.y,o),bv(n.z,u)).toVar(),d=mn(1e6).toVar();return Rp({start:-1,end:fn(1),name:"x",condition:"<="},({x:e})=>{Rp({start:-1,end:fn(1),name:"y",condition:"<="},({y:t})=>{Rp({start:-1,end:fn(1),name:"z",condition:"<="},({z:r})=>{const n=mn(qv(l,e,t,r,a,o,u,i,s)).toVar();d.assign(Ho(d,n))})})}),hn(s.equal(fn(0)),()=>{d.assign(xo(d))}),d}).setLayout({name:"mx_worley_noise_float_1",type:"float",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),Qv=Lb([Xv,ln(([e,t,r])=>{const s=fn(r).toVar(),i=mn(t).toVar(),n=Nn(e).toVar(),a=fn().toVar(),o=fn().toVar(),u=fn().toVar(),l=Nn(bv(n.x,a),bv(n.y,o),bv(n.z,u)).toVar(),d=xn(1e6,1e6).toVar();return Rp({start:-1,end:fn(1),name:"x",condition:"<="},({x:e})=>{Rp({start:-1,end:fn(1),name:"y",condition:"<="},({y:t})=>{Rp({start:-1,end:fn(1),name:"z",condition:"<="},({z:r})=>{const 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Map,GN.set(i,n));const a=Is(r);if(s=n.get(a),void 0===s)s=new pN(e,t,this.bindingsIndexes[e].group),n.set(a,s);else for(let e=0;e<t.length;e++)s.bindings[e].visibility|=t[e].visibility}else s=new pN(e,t,this.bindingsIndexes[e].group);return s}getBindGroupArray(e,t){const r=this.bindings[t];let s=r[e];return void 0===s&&(void 0===this.bindingsIndexes[e]&&(this.bindingsIndexes[e]={binding:0,group:Object.keys(this.bindingsIndexes).length}),r[e]=s=[]),s}getBindings(){let e=this.bindGroups;if(null===e){const t={},r=this.bindings;for(const e of ni)for(const s in r[e]){const i=r[e][s],n=t[s]||(t[s]=[]);for(const e of i)!1===n.includes(e)&&n.push(e)}e=[];for(const r in t){const s=t[r],i=this._getBindGroup(r,s);e.push(i)}this.bindGroups=e}return e}sortBindingGroups(){const e=this.getBindings();e.sort((e,t)=>e.bindings[0].groupNode.order-t.bindings[0].groupNode.order);for(let t=0;t<e.length;t++){const r=e[t];this.bindingsIndexes[r.name].group=t,r.index=t}}setHashNode(e,t){this.hashNodes[t]=e}addNode(e){!1===this.nodes.includes(e)&&(this.nodes.push(e),this.setHashNode(e,e.getHash(this)))}addSequentialNode(e){const t=e.getUpdateBeforeType(),r=e.getUpdateAfterType();t===ei.NONE&&r===ei.NONE||!1===this.sequentialNodes.includes(e)&&this.sequentialNodes.push(e)}buildUpdateNodes(){for(const e of this.nodes){e.getUpdateType()!==ei.NONE&&this.updateNodes.push(e)}for(const e of this.sequentialNodes){const t=e.getUpdateBeforeType(),r=e.getUpdateAfterType();t!==ei.NONE&&this.updateBeforeNodes.push(e),r!==ei.NONE&&this.updateAfterNodes.push(e)}}get currentNode(){return this.chaining[this.chaining.length-1]}isFilteredTexture(e){return e.magFilter===oe||e.magFilter===it||e.magFilter===nt||e.magFilter===K||e.minFilter===oe||e.minFilter===it||e.minFilter===nt||e.minFilter===K}getUniformBufferLimit(){return 16384}addChain(e){this.chaining.push(e)}removeChain(e){if(this.chaining.pop()!==e)throw new Error("NodeBuilder: Invalid node chaining!")}getMethod(e){return e}getTernary(){return null}getNodeFromHash(e){return this.hashNodes[e]}addFlow(e,t){return this.flowNodes[e].push(t),t}setContext(e){this.context=e}getContext(){return this.context}addContext(e){const t=this.getContext();return this.setContext({...this.context,...e}),t}getSharedContext(){const e={...this.context};return delete e.material,delete e.getUV,delete e.getOutput,delete e.getTextureLevel,delete e.getAO,delete e.getShadow,e}setCache(e){this.cache=e}getCache(){return this.cache}getCacheFromNode(e,t=!0){const r=this.getDataFromNode(e);return void 0===r.cache&&(r.cache=new _N(t?this.getCache():null)),r.cache}isAvailable(){return!1}getVertexIndex(){d("Abstract function.")}getInstanceIndex(){d("Abstract function.")}getDrawIndex(){d("Abstract function.")}getFrontFacing(){d("Abstract function.")}getFragCoord(){d("Abstract function.")}isFlipY(){return!1}increaseUsage(e){const t=this.getDataFromNode(e);return t.usageCount=void 0===t.usageCount?1:t.usageCount+1,t.usageCount}generateTexture(){d("Abstract function.")}generateTextureLod(){d("Abstract function.")}generateArrayDeclaration(e,t){return this.getType(e)+"[ "+t+" ]"}generateArray(e,t,r=null){let s=this.generateArrayDeclaration(e,t)+"( ";for(let i=0;i<t;i++){const n=r?r[i]:null;s+=null!==n?n.build(this,e):this.generateConst(e),i<t-1&&(s+=", ")}return s+=" )",s}generateStruct(e,t,r=null){const s=[];for(const e of t){const{name:t,type:i}=e;r&&r[t]&&r[t].isNode?s.push(r[t].build(this,i)):s.push(this.generateConst(i))}return e+"( "+s.join(", ")+" )"}generateConst(i,n=null){if(null===n&&("float"===i||"int"===i||"uint"===i?n=0:"bool"===i?n=!1:"color"===i?n=new e:"vec2"===i||"uvec2"===i||"ivec2"===i?n=new t:"vec3"===i||"uvec3"===i||"ivec3"===i?n=new r:"vec4"!==i&&"uvec4"!==i&&"ivec4"!==i||(n=new s)),"float"===i)return WN(n);if("int"===i)return`${Math.round(n)}`;if("uint"===i)return n>=0?`${Math.round(n)}u`:"0u";if("bool"===i)return n?"true":"false";if("color"===i)return`${this.getType("vec3")}( ${WN(n.r)}, ${WN(n.g)}, ${WN(n.b)} )`;const a=this.getTypeLength(i),o=this.getComponentType(i),u=e=>this.generateConst(o,e);if(2===a)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)} )`;if(3===a)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)}, ${u(n.z)} )`;if(4===a&&"mat2"!==i)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)}, ${u(n.z)}, ${u(n.w)} )`;if(a>=4&&n&&(n.isMatrix2||n.isMatrix3||n.isMatrix4))return`${this.getType(i)}( ${n.elements.map(u).join(", ")} )`;if(a>4)return`${this.getType(i)}()`;throw new Error(`NodeBuilder: Type '${i}' not found in generate constant attempt.`)}getType(e){return"color"===e?"vec3":e}hasGeometryAttribute(e){return this.geometry&&void 0!==this.geometry.getAttribute(e)}getAttribute(e,t){const r=this.attributes;for(const t of r)if(t.name===e)return t;const s=new mN(e,t);return this.registerDeclaration(s),r.push(s),s}getPropertyName(e){return e.name}isVector(e){return/vec\d/.test(e)}isMatrix(e){return/mat\d/.test(e)}isReference(e){return"void"===e||"property"===e||"sampler"===e||"samplerComparison"===e||"texture"===e||"cubeTexture"===e||"storageTexture"===e||"depthTexture"===e||"texture3D"===e}needsToWorkingColorSpace(){return!1}getComponentTypeFromTexture(e){const t=e.type;if(e.isDataTexture){if(t===R)return"int";if(t===S)return"uint"}return"float"}getElementType(e){return"mat2"===e?"vec2":"mat3"===e?"vec3":"mat4"===e?"vec4":this.getComponentType(e)}getComponentType(e){if("float"===(e=this.getVectorType(e))||"bool"===e||"int"===e||"uint"===e)return e;const t=/(b|i|u|)(vec|mat)([2-4])/.exec(e);return null===t?null:"b"===t[1]?"bool":"i"===t[1]?"int":"u"===t[1]?"uint":"float"}getVectorType(e){return"color"===e?"vec3":"texture"===e||"cubeTexture"===e||"storageTexture"===e||"texture3D"===e?"vec4":e}getTypeFromLength(e,t="float"){if(1===e)return t;let r=zs(e);const s="float"===t?"":t[0];return!0===/mat2/.test(t)&&(r=r.replace("vec","mat")),s+r}getTypeFromArray(e){return $N.get(e.constructor)}isInteger(e){return/int|uint|(i|u)vec/.test(e)}getTypeFromAttribute(e){let t=e;e.isInterleavedBufferAttribute&&(t=e.data);const r=t.array,s=e.itemSize,i=e.normalized;let n;return e instanceof at||!0===i||(n=this.getTypeFromArray(r)),this.getTypeFromLength(s,n)}getTypeLength(e){const t=this.getVectorType(e),r=/vec([2-4])/.exec(t);return null!==r?Number(r[1]):"float"===t||"bool"===t||"int"===t||"uint"===t?1:!0===/mat2/.test(e)?4:!0===/mat3/.test(e)?9:!0===/mat4/.test(e)?16:0}getVectorFromMatrix(e){return e.replace("mat","vec")}changeComponentType(e,t){return this.getTypeFromLength(this.getTypeLength(e),t)}getIntegerType(e){const t=this.getComponentType(e);return"int"===t||"uint"===t?e:this.changeComponentType(e,"int")}setActiveStack(e){this.activeStacks.push(e)}removeActiveStack(e){if(this.activeStacks[this.activeStacks.length-1]!==e)throw new Error("NodeBuilder: Invalid active stack removal.");this.activeStacks.pop()}getActiveStack(){return this.activeStacks[this.activeStacks.length-1]}getBaseStack(){return this.activeStacks[0]}addStack(){this.stack=Jy(this.stack);const e=cn();return this.stacks.push(e),dn(this.stack),this.stack}removeStack(){const e=this.stack;for(const t of e.nodes){this.getDataFromNode(t).stack=e}return this.stack=e.parent,dn(this.stacks.pop()),e}getDataFromNode(e,t=this.shaderStage,r=null){let s=(r=null===r?e.isGlobal(this)?this.globalCache:this.cache:r).getData(e);void 0===s&&(s={},r.setData(e,s)),void 0===s[t]&&(s[t]={});let i=s[t];const n=s.any?s.any.subBuilds:null,a=this.getClosestSubBuild(n);return a&&(void 0===i.subBuildsCache&&(i.subBuildsCache={}),i=i.subBuildsCache[a]||(i.subBuildsCache[a]={}),i.subBuilds=n),i}getNodeProperties(e,t="any"){const r=this.getDataFromNode(e,t);return r.properties||(r.properties={outputNode:null})}getBufferAttributeFromNode(e,t){const r=this.getDataFromNode(e,"vertex");let s=r.bufferAttribute;if(void 0===s){const i=this.uniforms.index++;s=new mN("nodeAttribute"+i,t,e),this.bufferAttributes.push(s),r.bufferAttribute=s}return s}getStructTypeNode(e,t=this.shaderStage){return this.types[t][e]||null}getStructTypeFromNode(e,t,r=null,s=this.shaderStage){const i=this.getDataFromNode(e,s,this.globalCache);let n=i.structType;if(void 0===n){const a=this.structs.index++;null===r&&(r="StructType"+a),n=new vN(r,t),this.structs[s].push(n),this.types[s][r]=e,i.structType=n}return n}getOutputStructTypeFromNode(e,t){const r=this.getStructTypeFromNode(e,t,"OutputType","fragment");return r.output=!0,r}getUniformFromNode(e,t,r=this.shaderStage,s=null){const i=this.getDataFromNode(e,r,this.globalCache);let n=i.uniform;if(void 0===n){const a=this.uniforms.index++;n=new fN(s||"nodeUniform"+a,t,e),this.uniforms[r].push(n),this.registerDeclaration(n),i.uniform=n}return n}getVarFromNode(e,t=null,r=e.getNodeType(this),s=this.shaderStage,i=!1){const n=this.getDataFromNode(e,s),a=this.getSubBuildProperty("variable",n.subBuilds);let o=n[a];if(void 0===o){const u=i?"_const":"_var",l=this.vars[s]||(this.vars[s]=[]),d=this.vars[u]||(this.vars[u]=0);null===t&&(t=(i?"nodeConst":"nodeVar")+d,this.vars[u]++),"variable"!==a&&(t=this.getSubBuildProperty(t,n.subBuilds));const c=e.getArrayCount(this);o=new yN(t,r,i,c),i||l.push(o),this.registerDeclaration(o),n[a]=o}return o}isDeterministic(e){if(e.isMathNode)return this.isDeterministic(e.aNode)&&(!e.bNode||this.isDeterministic(e.bNode))&&(!e.cNode||this.isDeterministic(e.cNode));if(e.isOperatorNode)return this.isDeterministic(e.aNode)&&(!e.bNode||this.isDeterministic(e.bNode));if(e.isArrayNode){if(null!==e.values)for(const t of e.values)if(!this.isDeterministic(t))return!1;return!0}return!!e.isConstNode}getVaryingFromNode(e,t=null,r=e.getNodeType(this),s=null,i=null){const n=this.getDataFromNode(e,"any"),a=this.getSubBuildProperty("varying",n.subBuilds);let o=n[a];if(void 0===o){const e=this.varyings,u=e.length;null===t&&(t="nodeVarying"+u),"varying"!==a&&(t=this.getSubBuildProperty(t,n.subBuilds)),o=new bN(t,r,s,i),e.push(o),this.registerDeclaration(o),n[a]=o}return o}registerDeclaration(e){const t=this.shaderStage,r=this.declarations[t]||(this.declarations[t]={}),s=this.getPropertyName(e);let i=1,n=s;for(;void 0!==r[n];)n=s+"_"+i++;i>1&&(e.name=n,d(`TSL: Declaration name '${s}' of '${e.type}' already in use. Renamed to '${n}'.`)),r[n]=e}getCodeFromNode(e,t,r=this.shaderStage){const s=this.getDataFromNode(e);let i=s.code;if(void 0===i){const e=this.codes[r]||(this.codes[r]=[]),n=e.length;i=new xN("nodeCode"+n,t),e.push(i),s.code=i}return i}addFlowCodeHierarchy(e,t){const{flowCodes:r,flowCodeBlock:s}=this.getDataFromNode(e);let i=!0,n=t;for(;n;){if(!0===s.get(n)){i=!1;break}n=this.getDataFromNode(n).parentNodeBlock}if(i)for(const e of r)this.addLineFlowCode(e)}addLineFlowCodeBlock(e,t,r){const s=this.getDataFromNode(e),i=s.flowCodes||(s.flowCodes=[]),n=s.flowCodeBlock||(s.flowCodeBlock=new WeakMap);i.push(t),n.set(r,!0)}addLineFlowCode(e,t=null){return""===e||(null!==t&&this.context.nodeBlock&&this.addLineFlowCodeBlock(t,e,this.context.nodeBlock),e=this.tab+e,/;\s*$/.test(e)||(e+=";\n"),this.flow.code+=e),this}addFlowCode(e){return this.flow.code+=e,this}addFlowTab(){return this.tab+="\t",this}removeFlowTab(){return this.tab=this.tab.slice(0,-1),this}getFlowData(e){return this.flowsData.get(e)}flowNode(e){const t=e.getNodeType(this),r=this.flowChildNode(e,t);return this.flowsData.set(e,r),r}addInclude(e){null!==this.currentFunctionNode&&this.currentFunctionNode.includes.push(e)}buildFunctionNode(e){const t=new pT,r=this.currentFunctionNode;return this.currentFunctionNode=t,t.code=this.buildFunctionCode(e),this.currentFunctionNode=r,t}flowShaderNode(e){const t=e.layout,r={[Symbol.iterator](){let e=0;const t=Object.values(this);return{next:()=>({value:t[e],done:e++>=t.length})}}};for(const e of t.inputs)r[e.name]=new Qy(e.type,e.name);e.layout=null;const s=e.call(r),i=this.flowStagesNode(s,t.type);return e.layout=t,i}flowBuildStage(e,t,r=null){const s=this.getBuildStage();this.setBuildStage(t);const i=e.build(this,r);return this.setBuildStage(s),i}flowStagesNode(e,t=null){const r=this.flow,s=this.vars,i=this.declarations,n=this.cache,a=this.buildStage,o=this.stack,u={code:""};this.flow=u,this.vars={},this.declarations={},this.cache=new _N,this.stack=Jy();for(const r of ii)this.setBuildStage(r),u.result=e.build(this,t);return u.vars=this.getVars(this.shaderStage),this.flow=r,this.vars=s,this.declarations=i,this.cache=n,this.stack=o,this.setBuildStage(a),u}getFunctionOperator(){return null}buildFunctionCode(){d("Abstract function.")}flowChildNode(e,t=null){const r=this.flow,s={code:""};return this.flow=s,s.result=e.build(this,t),this.flow=r,s}flowNodeFromShaderStage(e,t,r=null,s=null){const i=this.tab,n=this.cache,a=this.shaderStage,o=this.context;this.setShaderStage(e);const u={...this.context};delete u.nodeBlock,this.cache=this.globalCache,this.tab="\t",this.context=u;let l=null;if("generate"===this.buildStage){const i=this.flowChildNode(t,r);null!==s&&(i.code+=`${this.tab+s} = ${i.result};\n`),this.flowCode[e]=this.flowCode[e]+i.code,l=i}else l=t.build(this);return this.setShaderStage(a),this.cache=n,this.tab=i,this.context=o,l}getAttributesArray(){return this.attributes.concat(this.bufferAttributes)}getAttributes(){d("Abstract function.")}getVaryings(){d("Abstract function.")}getVar(e,t,r=null){return`${null!==r?this.generateArrayDeclaration(e,r):this.getType(e)} ${t}`}getVars(e){let t="";const r=this.vars[e];if(void 0!==r)for(const e of r)t+=`${this.getVar(e.type,e.name)}; `;return t}getUniforms(){d("Abstract function.")}getCodes(e){const t=this.codes[e];let r="";if(void 0!==t)for(const e of t)r+=e.code+"\n";return r}getHash(){return this.vertexShader+this.fragmentShader+this.computeShader}setShaderStage(e){this.shaderStage=e}getShaderStage(){return this.shaderStage}setBuildStage(e){this.buildStage=e}getBuildStage(){return this.buildStage}buildCode(){d("Abstract function.")}get subBuild(){return this.subBuildLayers[this.subBuildLayers.length-1]||null}addSubBuild(e){this.subBuildLayers.push(e)}removeSubBuild(){return this.subBuildLayers.pop()}getClosestSubBuild(e){let t;if(t=e&&e.isNode?e.isShaderCallNodeInternal?e.shaderNode.subBuilds:e.isStackNode?[e.subBuild]:this.getDataFromNode(e,"any").subBuilds:e instanceof Set?[...e]:e,!t)return null;const r=this.subBuildLayers;for(let e=t.length-1;e>=0;e--){const s=t[e];if(r.includes(s))return s}return null}getSubBuildOutput(e){return this.getSubBuildProperty("outputNode",e)}getSubBuildProperty(e="",t=null){let r,s;return r=null!==t?this.getClosestSubBuild(t):this.subBuildFn,s=r?e?r+"_"+e:r:e,s}build(){const{object:e,material:t,renderer:r}=this;if(null!==t){let e=r.library.fromMaterial(t);null===e&&(o(`NodeMaterial: Material "${t.type}" is not compatible.`),e=new mg),e.build(this)}else this.addFlow("compute",e);for(const e of ii){this.setBuildStage(e),this.context.position&&this.context.position.isNode&&this.flowNodeFromShaderStage("vertex",this.context.position);for(const t of ni){this.setShaderStage(t);const r=this.flowNodes[t];for(const t of r)"generate"===e?this.flowNode(t):t.build(this)}}return this.setBuildStage(null),this.setShaderStage(null),this.buildCode(),this.buildUpdateNodes(),this}getSharedDataFromNode(e){let t=zN.get(e);return void 0===t&&(t={}),t}getNodeUniform(e,t){const r=this.getSharedDataFromNode(e);let s=r.cache;if(void 0===s){if("float"===t||"int"===t||"uint"===t)s=new FN(e);else if("vec2"===t||"ivec2"===t||"uvec2"===t)s=new LN(e);else if("vec3"===t||"ivec3"===t||"uvec3"===t)s=new PN(e);else if("vec4"===t||"ivec4"===t||"uvec4"===t)s=new DN(e);else if("color"===t)s=new UN(e);else if("mat2"===t)s=new IN(e);else if("mat3"===t)s=new ON(e);else{if("mat4"!==t)throw new Error(`Uniform "${t}" not implemented.`);s=new VN(e)}r.cache=s}return s}format(e,t,r){if((t=this.getVectorType(t))===(r=this.getVectorType(r))||null===r||this.isReference(r))return e;const s=this.getTypeLength(t),i=this.getTypeLength(r);return 16===s&&9===i?`${this.getType(r)}( ${e}[ 0 ].xyz, ${e}[ 1 ].xyz, ${e}[ 2 ].xyz )`:9===s&&4===i?`${this.getType(r)}( ${e}[ 0 ].xy, ${e}[ 1 ].xy )`:s>4||i>4||0===i?e:s===i?`${this.getType(r)}( ${e} )`:s>i?(e="bool"===r?`all( ${e} )`:`${e}.${"xyz".slice(0,i)}`,this.format(e,this.getTypeFromLength(i,this.getComponentType(t)),r)):4===i&&s>1?`${this.getType(r)}( ${this.format(e,t,"vec3")}, 1.0 )`:2===s?`${this.getType(r)}( ${this.format(e,t,"vec2")}, 0.0 )`:(1===s&&i>1&&t!==this.getComponentType(r)&&(e=`${this.getType(this.getComponentType(r))}( ${e} )`),`${this.getType(r)}( ${e} )`)}getSignature(){return`// Three.js r${ot} - Node System\n`}needsPreviousData(){const e=this.renderer.getMRT();return e&&e.has("velocity")||!0===Ks(this.object).useVelocity}}class qN{constructor(){this.time=0,this.deltaTime=0,this.frameId=0,this.renderId=0,this.updateMap=new WeakMap,this.updateBeforeMap=new WeakMap,this.updateAfterMap=new WeakMap,this.renderer=null,this.material=null,this.camera=null,this.object=null,this.scene=null}_getMaps(e,t){let r=e.get(t);return void 0===r&&(r={renderId:0,frameId:0},e.set(t,r)),r}updateBeforeNode(e){const t=e.getUpdateBeforeType(),r=e.updateReference(this);if(t===ei.FRAME){const t=this._getMaps(this.updateBeforeMap,r);if(t.frameId!==this.frameId){const r=t.frameId;t.frameId=this.frameId,!1===e.updateBefore(this)&&(t.frameId=r)}}else if(t===ei.RENDER){const t=this._getMaps(this.updateBeforeMap,r);if(t.renderId!==this.renderId){const r=t.renderId;t.renderId=this.renderId,!1===e.updateBefore(this)&&(t.renderId=r)}}else t===ei.OBJECT&&e.updateBefore(this)}updateAfterNode(e){const t=e.getUpdateAfterType(),r=e.updateReference(this);if(t===ei.FRAME){const t=this._getMaps(this.updateAfterMap,r);t.frameId!==this.frameId&&!1!==e.updateAfter(this)&&(t.frameId=this.frameId)}else if(t===ei.RENDER){const t=this._getMaps(this.updateAfterMap,r);t.renderId!==this.renderId&&!1!==e.updateAfter(this)&&(t.renderId=this.renderId)}else t===ei.OBJECT&&e.updateAfter(this)}updateNode(e){const t=e.getUpdateType(),r=e.updateReference(this);if(t===ei.FRAME){const t=this._getMaps(this.updateMap,r);t.frameId!==this.frameId&&!1!==e.update(this)&&(t.frameId=this.frameId)}else if(t===ei.RENDER){const t=this._getMaps(this.updateMap,r);t.renderId!==this.renderId&&!1!==e.update(this)&&(t.renderId=this.renderId)}else t===ei.OBJECT&&e.update(this)}update(){this.frameId++,void 0===this.lastTime&&(this.lastTime=performance.now()),this.deltaTime=(performance.now()-this.lastTime)/1e3,this.lastTime=performance.now(),this.time+=this.deltaTime}}class jN{constructor(e,t,r=null,s="",i=!1){this.type=e,this.name=t,this.count=r,this.qualifier=s,this.isConst=i}}jN.isNodeFunctionInput=!0;class XN extends lv{static get type(){return"AmbientLightNode"}constructor(e=null){super(e)}setup({context:e}){e.irradiance.addAssign(this.colorNode)}}class KN extends lv{static get type(){return"DirectionalLightNode"}constructor(e=null){super(e)}setupDirect(){const e=this.colorNode;return{lightDirection:y_(this.light),lightColor:e}}}class YN extends lv{static get type(){return"HemisphereLightNode"}constructor(t=null){super(t),this.lightPositionNode=g_(t),this.lightDirectionNode=this.lightPositionNode.normalize(),this.groundColorNode=va(new e).setGroup(xa)}update(e){const{light:t}=this;super.update(e),this.lightPositionNode.object3d=t,this.groundColorNode.value.copy(t.groundColor).multiplyScalar(t.intensity)}setup(e){const{colorNode:t,groundColorNode:r,lightDirectionNode:s}=this,i=cc.dot(s).mul(.5).add(.5),n=au(r,t,i);e.context.irradiance.addAssign(n)}}class QN extends lv{static get type(){return"SpotLightNode"}constructor(e=null){super(e),this.coneCosNode=va(0).setGroup(xa),this.penumbraCosNode=va(0).setGroup(xa),this.cutoffDistanceNode=va(0).setGroup(xa),this.decayExponentNode=va(0).setGroup(xa),this.colorNode=va(this.color).setGroup(xa)}update(e){super.update(e);const{light:t}=this;this.coneCosNode.value=Math.cos(t.angle),this.penumbraCosNode.value=Math.cos(t.angle*(1-t.penumbra)),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}getSpotAttenuation(e,t){const{coneCosNode:r,penumbraCosNode:s}=this;return du(r,s,t)}getLightCoord(e){const t=e.getNodeProperties(this);let r=t.projectionUV;return void 0===r&&(r=p_(this.light,e.context.positionWorld),t.projectionUV=r),r}setupDirect(e){const{colorNode:t,cutoffDistanceNode:r,decayExponentNode:s,light:i}=this,n=this.getLightVector(e),a=n.normalize(),o=a.dot(y_(i)),u=this.getSpotAttenuation(e,o),l=n.length(),d=dv({lightDistance:l,cutoffDistance:r,decayExponent:s});let c,h,p=t.mul(u).mul(d);if(i.colorNode?(h=this.getLightCoord(e),c=i.colorNode(h)):i.map&&(h=this.getLightCoord(e),c=Dl(i.map,h.xy).onRenderUpdate(()=>i.map)),c){p=h.mul(2).sub(1).abs().lessThan(1).all().select(p.mul(c),p)}return{lightColor:p,lightDirection:a}}}class ZN extends QN{static get type(){return"IESSpotLightNode"}getSpotAttenuation(e,t){const r=this.light.iesMap;let s=null;if(r&&!0===r.isTexture){const e=t.acos().mul(1/Math.PI);s=Dl(r,xn(e,0),0).r}else s=super.getSpotAttenuation(t);return s}}class JN extends lv{static get type(){return"LightProbeNode"}constructor(e=null){super(e);const t=[];for(let e=0;e<9;e++)t.push(new r);this.lightProbe=Gl(t)}update(e){const{light:t}=this;super.update(e);for(let e=0;e<9;e++)this.lightProbe.array[e].copy(t.sh.coefficients[e]).multiplyScalar(t.intensity)}setup(e){const t=uN(cc,this.lightProbe);e.context.irradiance.addAssign(t)}}const eS=ln(([e,t])=>{const r=e.abs().sub(t);return Lo(qo(r,0)).add(Ho(qo(r.x,r.y),0))});class tS extends QN{static get type(){return"ProjectorLightNode"}update(e){super.update(e);const t=this.light;if(this.penumbraCosNode.value=Math.min(Math.cos(t.angle*(1-t.penumbra)),.99999),null===t.aspect){let e=1;null!==t.map&&(e=t.map.width/t.map.height),t.shadow.aspect=e}else t.shadow.aspect=t.aspect}getSpotAttenuation(e){const t=mn(0),r=this.penumbraCosNode,s=h_(this.light).mul(e.context.positionWorld||Qd);return hn(s.w.greaterThan(0),()=>{const e=s.xyz.div(s.w),i=eS(e.xy.sub(xn(.5)),xn(.5)),n=Pa(-1,Fa(1,Co(r)).sub(1));t.assign(uu(i.mul(-2).mul(n)))}),t}}const rS=new a,sS=new a;let iS=null;class nS extends lv{static get type(){return"RectAreaLightNode"}constructor(e=null){super(e),this.halfHeight=va(new r).setGroup(xa),this.halfWidth=va(new r).setGroup(xa),this.updateType=ei.RENDER}update(e){super.update(e);const{light:t}=this,r=e.camera.matrixWorldInverse;sS.identity(),rS.copy(t.matrixWorld),rS.premultiply(r),sS.extractRotation(rS),this.halfWidth.value.set(.5*t.width,0,0),this.halfHeight.value.set(0,.5*t.height,0),this.halfWidth.value.applyMatrix4(sS),this.halfHeight.value.applyMatrix4(sS)}setupDirectRectArea(e){let t,r;e.isAvailable("float32Filterable")?(t=Dl(iS.LTC_FLOAT_1),r=Dl(iS.LTC_FLOAT_2)):(t=Dl(iS.LTC_HALF_1),r=Dl(iS.LTC_HALF_2));const{colorNode:s,light:i}=this;return{lightColor:s,lightPosition:f_(i),halfWidth:this.halfWidth,halfHeight:this.halfHeight,ltc_1:t,ltc_2:r}}static setLTC(e){iS=e}}class aS{parseFunction(){d("Abstract function.")}}class oS{constructor(e,t,r="",s=""){this.type=e,this.inputs=t,this.name=r,this.precision=s}getCode(){d("Abstract function.")}}oS.isNodeFunction=!0;const uS=/^\s*(highp|mediump|lowp)?\s*([a-z_0-9]+)\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)/i,lS=/[a-z_0-9]+/gi,dS="#pragma main";class cS extends oS{constructor(e){const{type:t,inputs:r,name:s,precision:i,inputsCode:n,blockCode:a,headerCode:o}=(e=>{const t=(e=e.trim()).indexOf(dS),r=-1!==t?e.slice(t+12):e,s=r.match(uS);if(null!==s&&5===s.length){const i=s[4],n=[];let a=null;for(;null!==(a=lS.exec(i));)n.push(a);const o=[];let u=0;for(;u<n.length;){const e="const"===n[u][0];!0===e&&u++;let t=n[u][0];"in"===t||"out"===t||"inout"===t?u++:t="";const r=n[u++][0];let s=Number.parseInt(n[u][0]);!1===Number.isNaN(s)?u++:s=null;const i=n[u++][0];o.push(new jN(r,i,s,t,e))}const l=r.substring(s[0].length),d=void 0!==s[3]?s[3]:"";return{type:s[2],inputs:o,name:d,precision:void 0!==s[1]?s[1]:"",inputsCode:i,blockCode:l,headerCode:-1!==t?e.slice(0,t):""}}throw new Error("FunctionNode: Function is not a GLSL code.")})(e);super(t,r,s,i),this.inputsCode=n,this.blockCode=a,this.headerCode=o}getCode(e=this.name){let t;const r=this.blockCode;if(""!==r){const{type:s,inputsCode:i,headerCode:n,precision:a}=this;let o=`${s} ${e} ( ${i.trim()} )`;""!==a&&(o=`${a} ${o}`),t=n+o+r}else t="";return t}}class hS extends aS{parseFunction(e){return new cS(e)}}const pS=new WeakMap,gS=[],mS=[];class fS extends xy{constructor(e,t){super(),this.renderer=e,this.backend=t,this.nodeFrame=new qN,this.nodeBuilderCache=new Map,this.callHashCache=new gy,this.groupsData=new gy,this.cacheLib={}}updateGroup(e){const t=e.groupNode,r=t.name;if(r===Ta.name)return!0;if(r===xa.name){const t=this.get(e),r=this.nodeFrame.renderId;return t.renderId!==r&&(t.renderId=r,!0)}if(r===ba.name){const t=this.get(e),r=this.nodeFrame.frameId;return t.frameId!==r&&(t.frameId=r,!0)}gS[0]=t,gS[1]=e;let s=this.groupsData.get(gS);return void 0===s&&this.groupsData.set(gS,s={}),gS[0]=null,gS[1]=null,s.version!==t.version&&(s.version=t.version,!0)}getForRenderCacheKey(e){return e.initialCacheKey}getForRender(e){const t=this.get(e);let r=t.nodeBuilderState;if(void 0===r){const{nodeBuilderCache:s}=this,i=this.getForRenderCacheKey(e);if(r=s.get(i),void 0===r){const t=t=>{const r=this.backend.createNodeBuilder(e.object,this.renderer);return r.scene=e.scene,r.material=t,r.camera=e.camera,r.context.material=t,r.lightsNode=e.lightsNode,r.environmentNode=this.getEnvironmentNode(e.scene),r.fogNode=this.getFogNode(e.scene),r.clippingContext=e.clippingContext,this.renderer.getOutputRenderTarget()&&this.renderer.getOutputRenderTarget().multiview&&r.enableMultiview(),r};let n=t(e.material);try{n.build()}catch(e){n=t(new mg),n.build();let r=e.stackTrace;!r&&e.stack&&(r=new Ds(e.stack)),o("TSL: "+e,r)}r=this._createNodeBuilderState(n),s.set(i,r)}r.usedTimes++,t.nodeBuilderState=r}return r}delete(e){if(e.isRenderObject){const t=this.get(e).nodeBuilderState;t.usedTimes--,0===t.usedTimes&&this.nodeBuilderCache.delete(this.getForRenderCacheKey(e))}return super.delete(e)}getForCompute(e){const t=this.get(e);let r=t.nodeBuilderState;if(void 0===r){const s=this.backend.createNodeBuilder(e,this.renderer);s.build(),r=this._createNodeBuilderState(s),t.nodeBuilderState=r}return r}_createNodeBuilderState(e){return new gN(e.vertexShader,e.fragmentShader,e.computeShader,e.getAttributesArray(),e.getBindings(),e.updateNodes,e.updateBeforeNodes,e.updateAfterNodes,e.observer,e.transforms)}getEnvironmentNode(e){this.updateEnvironment(e);let t=null;if(e.environmentNode&&e.environmentNode.isNode)t=e.environmentNode;else{const r=this.get(e);r.environmentNode&&(t=r.environmentNode)}return t}getBackgroundNode(e){this.updateBackground(e);let t=null;if(e.backgroundNode&&e.backgroundNode.isNode)t=e.backgroundNode;else{const r=this.get(e);r.backgroundNode&&(t=r.backgroundNode)}return t}getFogNode(e){return this.updateFog(e),e.fogNode||this.get(e).fogNode||null}getCacheKey(e,t){gS[0]=e,gS[1]=t;const r=this.renderer.info.calls,s=this.callHashCache.get(gS)||{};if(s.callId!==r){const i=this.getEnvironmentNode(e),n=this.getFogNode(e);t&&mS.push(t.getCacheKey(!0)),i&&mS.push(i.getCacheKey()),n&&mS.push(n.getCacheKey()),mS.push(this.renderer.getOutputRenderTarget()&&this.renderer.getOutputRenderTarget().multiview?1:0),mS.push(this.renderer.shadowMap.enabled?1:0),mS.push(this.renderer.shadowMap.type),s.callId=r,s.cacheKey=Os(mS),this.callHashCache.set(gS,s),mS.length=0}return gS[0]=null,gS[1]=null,s.cacheKey}get isToneMappingState(){return!this.renderer.getRenderTarget()}updateBackground(e){const t=this.get(e),r=e.background;if(r){const s=0===e.backgroundBlurriness&&t.backgroundBlurriness>0||e.backgroundBlurriness>0&&0===t.backgroundBlurriness;if(t.background!==r||s){const i=this.getCacheNode("background",r,()=>{if(!0===r.isCubeTexture||r.mapping===le||r.mapping===de||r.mapping===Re){if(e.backgroundBlurriness>0||r.mapping===Re)return Lf(r);{let e;return e=!0===r.isCubeTexture?Mc(r):Dl(r),Mg(e)}}if(!0===r.isTexture)return Dl(r,Xl.flipY()).setUpdateMatrix(!0);!0!==r.isColor&&o("WebGPUNodes: Unsupported background configuration.",r)},s);t.backgroundNode=i,t.background=r,t.backgroundBlurriness=e.backgroundBlurriness}}else t.backgroundNode&&(delete t.backgroundNode,delete t.background)}getCacheNode(e,t,r,s=!1){const i=this.cacheLib[e]||(this.cacheLib[e]=new WeakMap);let n=i.get(t);return(void 0===n||s)&&(n=r(),i.set(t,n)),n}updateFog(e){const t=this.get(e),r=e.fog;if(r){if(t.fog!==r){const e=this.getCacheNode("fog",r,()=>{if(r.isFogExp2){const e=Lc("color","color",r).setGroup(xa),t=Lc("density","float",r).setGroup(xa);return xT(e,yT(t))}if(r.isFog){const e=Lc("color","color",r).setGroup(xa),t=Lc("near","float",r).setGroup(xa),s=Lc("far","float",r).setGroup(xa);return xT(e,fT(t,s))}o("Renderer: Unsupported fog configuration.",r)});t.fogNode=e,t.fog=r}}else delete t.fogNode,delete t.fog}updateEnvironment(e){const t=this.get(e),r=e.environment;if(r){if(t.environment!==r){const e=this.getCacheNode("environment",r,()=>!0===r.isCubeTexture?Mc(r):!0===r.isTexture?Dl(r):void o("Nodes: Unsupported environment configuration.",r));t.environmentNode=e,t.environment=r}}else t.environmentNode&&(delete t.environmentNode,delete t.environment)}getNodeFrame(e=this.renderer,t=null,r=null,s=null,i=null){const n=this.nodeFrame;return n.renderer=e,n.scene=t,n.object=r,n.camera=s,n.material=i,n}getNodeFrameForRender(e){return this.getNodeFrame(e.renderer,e.scene,e.object,e.camera,e.material)}getOutputCacheKey(){const e=this.renderer;return e.toneMapping+","+e.currentColorSpace+","+e.xr.isPresenting}hasOutputChange(e){return pS.get(e)!==this.getOutputCacheKey()}getOutputNode(e){const t=this.renderer,r=this.getOutputCacheKey(),s=e.isArrayTexture?Lx(e,Nn(Xl,$l("gl_ViewID_OVR"))).renderOutput(t.toneMapping,t.currentColorSpace):Dl(e,Xl).renderOutput(t.toneMapping,t.currentColorSpace);return pS.set(e,r),s}updateBefore(e){const t=e.getNodeBuilderState();for(const r of t.updateBeforeNodes)this.getNodeFrameForRender(e).updateBeforeNode(r)}updateAfter(e){const t=e.getNodeBuilderState();for(const r of t.updateAfterNodes)this.getNodeFrameForRender(e).updateAfterNode(r)}updateForCompute(e){const t=this.getNodeFrame(),r=this.getForCompute(e);for(const e of r.updateNodes)t.updateNode(e)}updateForRender(e){const t=this.getNodeFrameForRender(e),r=e.getNodeBuilderState();for(const e of r.updateNodes)t.updateNode(e)}needsRefresh(e){const t=this.getNodeFrameForRender(e);return e.getMonitor().needsRefresh(e,t)}dispose(){super.dispose(),this.nodeFrame=new qN,this.nodeBuilderCache=new Map,this.cacheLib={}}}const yS=new He;class bS{constructor(e=null){this.version=0,this.clipIntersection=null,this.cacheKey="",this.shadowPass=!1,this.viewNormalMatrix=new n,this.clippingGroupContexts=new WeakMap,this.intersectionPlanes=[],this.unionPlanes=[],this.parentVersion=null,null!==e&&(this.viewNormalMatrix=e.viewNormalMatrix,this.clippingGroupContexts=e.clippingGroupContexts,this.shadowPass=e.shadowPass,this.viewMatrix=e.viewMatrix)}projectPlanes(e,t,r){const s=e.length;for(let i=0;i<s;i++){yS.copy(e[i]).applyMatrix4(this.viewMatrix,this.viewNormalMatrix);const s=t[r+i],n=yS.normal;s.x=-n.x,s.y=-n.y,s.z=-n.z,s.w=yS.constant}}updateGlobal(e,t){this.shadowPass=null!==e.overrideMaterial&&e.overrideMaterial.isShadowPassMaterial,this.viewMatrix=t.matrixWorldInverse,this.viewNormalMatrix.getNormalMatrix(this.viewMatrix)}update(e,t){let r=!1;e.version!==this.parentVersion&&(this.intersectionPlanes=Array.from(e.intersectionPlanes),this.unionPlanes=Array.from(e.unionPlanes),this.parentVersion=e.version),this.clipIntersection!==t.clipIntersection&&(this.clipIntersection=t.clipIntersection,this.clipIntersection?this.unionPlanes.length=e.unionPlanes.length:this.intersectionPlanes.length=e.intersectionPlanes.length);const i=t.clippingPlanes,n=i.length;let a,o;if(this.clipIntersection?(a=this.intersectionPlanes,o=e.intersectionPlanes.length):(a=this.unionPlanes,o=e.unionPlanes.length),a.length!==o+n){a.length=o+n;for(let e=0;e<n;e++)a[o+e]=new s;r=!0}this.projectPlanes(i,a,o),r&&(this.version++,this.cacheKey=`${this.intersectionPlanes.length}:${this.unionPlanes.length}`)}getGroupContext(e){if(this.shadowPass&&!e.clipShadows)return this;let t=this.clippingGroupContexts.get(e);return void 0===t&&(t=new bS(this),this.clippingGroupContexts.set(e,t)),t.update(this,e),t}get unionClippingCount(){return this.unionPlanes.length}}class xS{constructor(e,t){this.bundleGroup=e,this.camera=t}}const TS=[];class _S{constructor(){this.bundles=new gy}get(e,t){const r=this.bundles;TS[0]=e,TS[1]=t;let s=r.get(TS);return void 0===s&&(s=new xS(e,t),r.set(TS,s)),TS[0]=null,TS[1]=null,s}dispose(){this.bundles=new gy}}class vS{constructor(){this.lightNodes=new WeakMap,this.materialNodes=new Map,this.toneMappingNodes=new Map}fromMaterial(e){if(e.isNodeMaterial)return e;let t=null;const r=this.getMaterialNodeClass(e.type);if(null!==r){t=new r;for(const r in e)t[r]=e[r]}return t}addToneMapping(e,t){this.addType(e,t,this.toneMappingNodes)}getToneMappingFunction(e){return this.toneMappingNodes.get(e)||null}getMaterialNodeClass(e){return this.materialNodes.get(e)||null}addMaterial(e,t){this.addType(e,t,this.materialNodes)}getLightNodeClass(e){return this.lightNodes.get(e)||null}addLight(e,t){this.addClass(e,t,this.lightNodes)}addType(e,t,r){if(r.has(t))d(`Redefinition of node ${t}`);else{if("function"!=typeof e)throw new Error(`Node class ${e.name} is not a class.`);if("function"==typeof t||"object"==typeof t)throw new Error(`Base class ${t} is not a class.`);r.set(t,e)}}addClass(e,t,r){if(r.has(t))d(`Redefinition of node ${t.name}`);else{if("function"!=typeof e)throw new Error(`Node class ${e.name} is not a class.`);if("function"!=typeof t)throw new Error(`Base class ${t.name} is not a class.`);r.set(t,e)}}}const NS=new __,SS=new WeakMap;class RS{createNode(e=[]){return(new __).setLights(e)}getNode(e){if(e.isQuadMesh)return NS;let t=SS.get(e);return void 0===t&&(t=this.createNode(),SS.set(e,t)),t}}class ES extends se{constructor(e=1,t=1,r={}){super(e,t,r),this.isXRRenderTarget=!0,this._hasExternalTextures=!1,this._autoAllocateDepthBuffer=!0,this._isOpaqueFramebuffer=!1}copy(e){return super.copy(e),this._hasExternalTextures=e._hasExternalTextures,this._autoAllocateDepthBuffer=e._autoAllocateDepthBuffer,this._isOpaqueFramebuffer=e._isOpaqueFramebuffer,this}}const AS=new r,wS=new r;class CS extends u{constructor(e,r=!1){super(),this.enabled=!1,this.isPresenting=!1,this.cameraAutoUpdate=!0,this._renderer=e,this._cameraL=new ve,this._cameraL.viewport=new s,this._cameraR=new ve,this._cameraR.viewport=new s,this._cameras=[this._cameraL,this._cameraR],this._cameraXR=new ut,this._currentDepthNear=null,this._currentDepthFar=null,this._controllers=[],this._controllerInputSources=[],this._xrRenderTarget=null,this._layers=[],this._sessionUsesLayers=!1,this._supportsGlBinding="undefined"!=typeof XRWebGLBinding,this._frameBufferTargets=null,this._createXRLayer=PS.bind(this),this._gl=null,this._currentAnimationContext=null,this._currentAnimationLoop=null,this._currentPixelRatio=null,this._currentSize=new t,this._onSessionEvent=BS.bind(this),this._onSessionEnd=FS.bind(this),this._onInputSourcesChange=LS.bind(this),this._onAnimationFrame=DS.bind(this),this._referenceSpace=null,this._referenceSpaceType="local-floor",this._customReferenceSpace=null,this._framebufferScaleFactor=1,this._foveation=1,this._session=null,this._glBaseLayer=null,this._glBinding=null,this._glProjLayer=null,this._xrFrame=null,this._supportsLayers=this._supportsGlBinding&&"createProjectionLayer"in XRWebGLBinding.prototype,this._useMultiviewIfPossible=r,this._useMultiview=!1}getController(e){return this._getController(e).getTargetRaySpace()}getControllerGrip(e){return this._getController(e).getGripSpace()}getHand(e){return this._getController(e).getHandSpace()}getFoveation(){if(null!==this._glProjLayer||null!==this._glBaseLayer)return this._foveation}setFoveation(e){this._foveation=e,null!==this._glProjLayer&&(this._glProjLayer.fixedFoveation=e),null!==this._glBaseLayer&&void 0!==this._glBaseLayer.fixedFoveation&&(this._glBaseLayer.fixedFoveation=e)}getFramebufferScaleFactor(){return this._framebufferScaleFactor}setFramebufferScaleFactor(e){this._framebufferScaleFactor=e,!0===this.isPresenting&&d("XRManager: Cannot change framebuffer scale while presenting.")}getReferenceSpaceType(){return this._referenceSpaceType}setReferenceSpaceType(e){this._referenceSpaceType=e,!0===this.isPresenting&&d("XRManager: Cannot change reference space type while presenting.")}getReferenceSpace(){return this._customReferenceSpace||this._referenceSpace}setReferenceSpace(e){this._customReferenceSpace=e}getCamera(){return this._cameraXR}getEnvironmentBlendMode(){if(null!==this._session)return this._session.environmentBlendMode}getBinding(){return null===this._glBinding&&this._supportsGlBinding&&(this._glBinding=new XRWebGLBinding(this._session,this._gl)),this._glBinding}getFrame(){return this._xrFrame}useMultiview(){return this._useMultiview}createQuadLayer(e,t,r,s,i,n,a,o={}){const u=new lt(e,t),l=new ES(i,n,{format:Se,type:Ve,depthTexture:new Y(i,n,o.stencil?Oe:S,void 0,void 0,void 0,void 0,void 0,void 0,o.stencil?Ue:Ie),stencilBuffer:o.stencil,resolveDepthBuffer:!1,resolveStencilBuffer:!1});l._autoAllocateDepthBuffer=!0;const d=new ge({color:16777215,side:dt});d.map=l.texture,d.map.offset.y=1,d.map.repeat.y=-1;const c=new ne(u,d);c.position.copy(r),c.quaternion.copy(s);const h={type:"quad",width:e,height:t,translation:r,quaternion:s,pixelwidth:i,pixelheight:n,plane:c,material:d,rendercall:a,renderTarget:l};if(this._layers.push(h),null!==this._session){h.plane.material=new ge({color:16777215,side:dt}),h.plane.material.blending=ct,h.plane.material.blendEquation=$e,h.plane.material.blendSrc=ht,h.plane.material.blendDst=ht,h.xrlayer=this._createXRLayer(h);const e=this._session.renderState.layers;e.unshift(h.xrlayer),this._session.updateRenderState({layers:e})}else l.isXRRenderTarget=!1;return c}createCylinderLayer(e,t,r,s,i,n,a,o,u={}){const l=new pt(e,e,e*t/r,64,64,!0,Math.PI-t/2,t),d=new ES(n,a,{format:Se,type:Ve,depthTexture:new Y(n,a,u.stencil?Oe:S,void 0,void 0,void 0,void 0,void 0,void 0,u.stencil?Ue:Ie),stencilBuffer:u.stencil,resolveDepthBuffer:!1,resolveStencilBuffer:!1});d._autoAllocateDepthBuffer=!0;const c=new ge({color:16777215,side:M});c.map=d.texture,c.map.offset.y=1,c.map.repeat.y=-1;const h=new ne(l,c);h.position.copy(s),h.quaternion.copy(i);const p={type:"cylinder",radius:e,centralAngle:t,aspectratio:r,translation:s,quaternion:i,pixelwidth:n,pixelheight:a,plane:h,material:c,rendercall:o,renderTarget:d};if(this._layers.push(p),null!==this._session){p.plane.material=new ge({color:16777215,side:M}),p.plane.material.blending=ct,p.plane.material.blendEquation=$e,p.plane.material.blendSrc=ht,p.plane.material.blendDst=ht,p.xrlayer=this._createXRLayer(p);const e=this._session.renderState.layers;e.unshift(p.xrlayer),this._session.updateRenderState({layers:e})}else d.isXRRenderTarget=!1;return h}renderLayers(){const e=new r,s=new gt,i=this._renderer,n=this.isPresenting,a=i.getOutputRenderTarget(),o=i._frameBufferTarget;this.isPresenting=!1;const u=new t;i.getSize(u);const l=i._quad;for(const t of this._layers)if(t.renderTarget.isXRRenderTarget=null!==this._session,t.renderTarget._hasExternalTextures=t.renderTarget.isXRRenderTarget,t.renderTarget.isXRRenderTarget&&this._sessionUsesLayers){t.xrlayer.transform=new XRRigidTransform(t.plane.getWorldPosition(e),t.plane.getWorldQuaternion(s));const r=this._glBinding.getSubImage(t.xrlayer,this._xrFrame);i.backend.setXRRenderTargetTextures(t.renderTarget,r.colorTexture,void 0),i._setXRLayerSize(t.renderTarget.width,t.renderTarget.height),i.setOutputRenderTarget(t.renderTarget),i.setRenderTarget(null),i._frameBufferTarget=null,this._frameBufferTargets||(this._frameBufferTargets=new WeakMap);const{frameBufferTarget:n,quad:a}=this._frameBufferTargets.get(t.renderTarget)||{frameBufferTarget:null,quad:null};n?(i._frameBufferTarget=n,i._quad=a):(i._quad=new ux(new mg),this._frameBufferTargets.set(t.renderTarget,{frameBufferTarget:i._getFrameBufferTarget(),quad:i._quad})),t.rendercall(),i._frameBufferTarget=null}else i.setRenderTarget(t.renderTarget),t.rendercall();i.setRenderTarget(null),i.setOutputRenderTarget(a),i._frameBufferTarget=o,i._setXRLayerSize(u.x,u.y),i._quad=l,this.isPresenting=n}getSession(){return this._session}async setSession(e){const t=this._renderer,r=t.backend;this._gl=t.getContext();const s=this._gl,i=s.getContextAttributes();if(this._session=e,null!==e){if(!0===r.isWebGPUBackend)throw new Error('THREE.XRManager: XR is currently not supported with a WebGPU backend. Use WebGL by passing "{ forceWebGL: true }" to the constructor of the renderer.');if(e.addEventListener("select",this._onSessionEvent),e.addEventListener("selectstart",this._onSessionEvent),e.addEventListener("selectend",this._onSessionEvent),e.addEventListener("squeeze",this._onSessionEvent),e.addEventListener("squeezestart",this._onSessionEvent),e.addEventListener("squeezeend",this._onSessionEvent),e.addEventListener("end",this._onSessionEnd),e.addEventListener("inputsourceschange",this._onInputSourcesChange),await r.makeXRCompatible(),this._currentPixelRatio=t.getPixelRatio(),t.getSize(this._currentSize),this._currentAnimationContext=t._animation.getContext(),this._currentAnimationLoop=t._animation.getAnimationLoop(),t._animation.stop(),!0===this._supportsLayers){let r=null,n=null,a=null;t.depth&&(a=t.stencil?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24,r=t.stencil?Ue:Ie,n=t.stencil?Oe:S);const o={colorFormat:s.RGBA8,depthFormat:a,scaleFactor:this._framebufferScaleFactor,clearOnAccess:!1};this._useMultiviewIfPossible&&t.hasFeature("OVR_multiview2")&&(o.textureType="texture-array",this._useMultiview=!0),this._glBinding=this.getBinding();const u=this._glBinding.createProjectionLayer(o),l=[u];this._glProjLayer=u,t.setPixelRatio(1),t._setXRLayerSize(u.textureWidth,u.textureHeight);const d=this._useMultiview?2:1,c=new Y(u.textureWidth,u.textureHeight,n,void 0,void 0,void 0,void 0,void 0,void 0,r,d);if(this._xrRenderTarget=new ES(u.textureWidth,u.textureHeight,{format:Se,type:Ve,colorSpace:t.outputColorSpace,depthTexture:c,stencilBuffer:t.stencil,samples:i.antialias?4:0,resolveDepthBuffer:!1===u.ignoreDepthValues,resolveStencilBuffer:!1===u.ignoreDepthValues,depth:this._useMultiview?2:1,multiview:this._useMultiview}),this._xrRenderTarget._hasExternalTextures=!0,this._xrRenderTarget.depth=this._useMultiview?2:1,this._sessionUsesLayers=e.enabledFeatures.includes("layers"),this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType()),this._sessionUsesLayers)for(const e of this._layers)e.plane.material=new ge({color:16777215,side:"cylinder"===e.type?M:dt}),e.plane.material.blending=ct,e.plane.material.blendEquation=$e,e.plane.material.blendSrc=ht,e.plane.material.blendDst=ht,e.xrlayer=this._createXRLayer(e),l.unshift(e.xrlayer);e.updateRenderState({layers:l})}else{const r={antialias:t.currentSamples>0,alpha:!0,depth:t.depth,stencil:t.stencil,framebufferScaleFactor:this.getFramebufferScaleFactor()},i=new XRWebGLLayer(e,s,r);this._glBaseLayer=i,e.updateRenderState({baseLayer:i}),t.setPixelRatio(1),t._setXRLayerSize(i.framebufferWidth,i.framebufferHeight),this._xrRenderTarget=new ES(i.framebufferWidth,i.framebufferHeight,{format:Se,type:Ve,colorSpace:t.outputColorSpace,stencilBuffer:t.stencil,resolveDepthBuffer:!1===i.ignoreDepthValues,resolveStencilBuffer:!1===i.ignoreDepthValues}),this._xrRenderTarget._isOpaqueFramebuffer=!0,this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType())}this.setFoveation(this.getFoveation()),t._animation.setAnimationLoop(this._onAnimationFrame),t._animation.setContext(e),t._animation.start(),this.isPresenting=!0,this.dispatchEvent({type:"sessionstart"})}}updateCamera(e){const t=this._session;if(null===t)return;const r=e.near,s=e.far,i=this._cameraXR,n=this._cameraL,a=this._cameraR;i.near=a.near=n.near=r,i.far=a.far=n.far=s,i.isMultiViewCamera=this._useMultiview,this._currentDepthNear===i.near&&this._currentDepthFar===i.far||(t.updateRenderState({depthNear:i.near,depthFar:i.far}),this._currentDepthNear=i.near,this._currentDepthFar=i.far),i.layers.mask=6|e.layers.mask,n.layers.mask=-5&i.layers.mask,a.layers.mask=-3&i.layers.mask;const o=e.parent,u=i.cameras;MS(i,o);for(let e=0;e<u.length;e++)MS(u[e],o);2===u.length?function(e,t,r){AS.setFromMatrixPosition(t.matrixWorld),wS.setFromMatrixPosition(r.matrixWorld);const s=AS.distanceTo(wS),i=t.projectionMatrix.elements,n=r.projectionMatrix.elements,a=i[14]/(i[10]-1),o=i[14]/(i[10]+1),u=(i[9]+1)/i[5],l=(i[9]-1)/i[5],d=(i[8]-1)/i[0],c=(n[8]+1)/n[0],h=a*d,p=a*c,g=s/(-d+c),m=g*-d;if(t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(m),e.translateZ(g),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert(),-1===i[10])e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse);else{const t=a+g,r=o+g,i=h-m,n=p+(s-m),d=u*o/r*t,c=l*o/r*t;e.projectionMatrix.makePerspective(i,n,d,c,t,r),e.projectionMatrixInverse.copy(e.projectionMatrix).invert()}}(i,n,a):i.projectionMatrix.copy(n.projectionMatrix),function(e,t,r){null===r?e.matrix.copy(t.matrixWorld):(e.matrix.copy(r.matrixWorld),e.matrix.invert(),e.matrix.multiply(t.matrixWorld));e.matrix.decompose(e.position,e.quaternion,e.scale),e.updateMatrixWorld(!0),e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse),e.isPerspectiveCamera&&(e.fov=2*ft*Math.atan(1/e.projectionMatrix.elements[5]),e.zoom=1)}(e,i,o)}_getController(e){let t=this._controllers[e];return void 0===t&&(t=new mt,this._controllers[e]=t),t}}function MS(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}function BS(e){const t=this._controllerInputSources.indexOf(e.inputSource);if(-1===t)return;const r=this._controllers[t];if(void 0!==r){const t=this.getReferenceSpace();r.update(e.inputSource,e.frame,t),r.dispatchEvent({type:e.type,data:e.inputSource})}}function FS(){const e=this._session,t=this._renderer;e.removeEventListener("select",this._onSessionEvent),e.removeEventListener("selectstart",this._onSessionEvent),e.removeEventListener("selectend",this._onSessionEvent),e.removeEventListener("squeeze",this._onSessionEvent),e.removeEventListener("squeezestart",this._onSessionEvent),e.removeEventListener("squeezeend",this._onSessionEvent),e.removeEventListener("end",this._onSessionEnd),e.removeEventListener("inputsourceschange",this._onInputSourcesChange);for(let e=0;e<this._controllers.length;e++){const t=this._controllerInputSources[e];null!==t&&(this._controllerInputSources[e]=null,this._controllers[e].disconnect(t))}if(this._currentDepthNear=null,this._currentDepthFar=null,t._resetXRState(),this._session=null,this._xrRenderTarget=null,this._glBinding=null,this._glBaseLayer=null,this._glProjLayer=null,!0===this._sessionUsesLayers)for(const e of this._layers)e.renderTarget=new ES(e.pixelwidth,e.pixelheight,{format:Se,type:Ve,depthTexture:new Y(e.pixelwidth,e.pixelheight,e.stencilBuffer?Oe:S,void 0,void 0,void 0,void 0,void 0,void 0,e.stencilBuffer?Ue:Ie),stencilBuffer:e.stencilBuffer,resolveDepthBuffer:!1,resolveStencilBuffer:!1}),e.renderTarget.isXRRenderTarget=!1,e.plane.material=e.material,e.material.map=e.renderTarget.texture,e.material.map.offset.y=1,e.material.map.repeat.y=-1,delete e.xrlayer;this.isPresenting=!1,this._useMultiview=!1,t._animation.stop(),t._animation.setAnimationLoop(this._currentAnimationLoop),t._animation.setContext(this._currentAnimationContext),t._animation.start(),t.setPixelRatio(this._currentPixelRatio),t.setSize(this._currentSize.width,this._currentSize.height,!1),this.dispatchEvent({type:"sessionend"})}function LS(e){const t=this._controllers,r=this._controllerInputSources;for(let s=0;s<e.removed.length;s++){const i=e.removed[s],n=r.indexOf(i);n>=0&&(r[n]=null,t[n].disconnect(i))}for(let s=0;s<e.added.length;s++){const i=e.added[s];let n=r.indexOf(i);if(-1===n){for(let e=0;e<t.length;e++){if(e>=r.length){r.push(i),n=e;break}if(null===r[e]){r[e]=i,n=e;break}}if(-1===n)break}const a=t[n];a&&a.connect(i)}}function PS(e){return"quad"===e.type?this._glBinding.createQuadLayer({transform:new XRRigidTransform(e.translation,e.quaternion),width:e.width/2,height:e.height/2,space:this._referenceSpace,viewPixelWidth:e.pixelwidth,viewPixelHeight:e.pixelheight,clearOnAccess:!1}):this._glBinding.createCylinderLayer({transform:new XRRigidTransform(e.translation,e.quaternion),radius:e.radius,centralAngle:e.centralAngle,aspectRatio:e.aspectRatio,space:this._referenceSpace,viewPixelWidth:e.pixelwidth,viewPixelHeight:e.pixelheight,clearOnAccess:!1})}function DS(e,t){if(void 0===t)return;const r=this._cameraXR,i=this._renderer,n=i.backend,a=this._glBaseLayer,o=this.getReferenceSpace(),u=t.getViewerPose(o);if(this._xrFrame=t,null!==u){const e=u.views;null!==this._glBaseLayer&&n.setXRTarget(a.framebuffer);let t=!1;e.length!==r.cameras.length&&(r.cameras.length=0,t=!0);for(let i=0;i<e.length;i++){const o=e[i];let u;if(!0===this._supportsLayers){const e=this._glBinding.getViewSubImage(this._glProjLayer,o);u=e.viewport,0===i&&n.setXRRenderTargetTextures(this._xrRenderTarget,e.colorTexture,this._glProjLayer.ignoreDepthValues&&!this._useMultiview?void 0:e.depthStencilTexture)}else u=a.getViewport(o);let l=this._cameras[i];void 0===l&&(l=new ve,l.layers.enable(i),l.viewport=new s,this._cameras[i]=l),l.matrix.fromArray(o.transform.matrix),l.matrix.decompose(l.position,l.quaternion,l.scale),l.projectionMatrix.fromArray(o.projectionMatrix),l.projectionMatrixInverse.copy(l.projectionMatrix).invert(),l.viewport.set(u.x,u.y,u.width,u.height),0===i&&(r.matrix.copy(l.matrix),r.matrix.decompose(r.position,r.quaternion,r.scale)),!0===t&&r.cameras.push(l)}i.setOutputRenderTarget(this._xrRenderTarget)}for(let e=0;e<this._controllers.length;e++){const r=this._controllerInputSources[e],s=this._controllers[e];null!==r&&void 0!==s&&s.update(r,t,o)}this._currentAnimationLoop&&this._currentAnimationLoop(e,t),t.detectedPlanes&&this.dispatchEvent({type:"planesdetected",data:t}),this._xrFrame=null}class US extends u{constructor(e){super(),this.domElement=e,this._pixelRatio=1,this._width=this.domElement.width,this._height=this.domElement.height,this._viewport=new s(0,0,this._width,this._height),this._scissor=new s(0,0,this._width,this._height),this._scissorTest=!1,this.colorTexture=new X,this.depthTexture=new Y}getPixelRatio(){return this._pixelRatio}getDrawingBufferSize(e){return e.set(this._width*this._pixelRatio,this._height*this._pixelRatio).floor()}getSize(e){return e.set(this._width,this._height)}setPixelRatio(e=1){this._pixelRatio!==e&&(this._pixelRatio=e,this.setSize(this._width,this._height,!1))}setDrawingBufferSize(e,t,r){this.xr&&this.xr.isPresenting||(this._width=e,this._height=t,this._pixelRatio=r,this.domElement.width=Math.floor(e*r),this.domElement.height=Math.floor(t*r),this.setViewport(0,0,e,t),this._dispatchResize())}setSize(e,t,r=!0){this.xr&&this.xr.isPresenting||(this._width=e,this._height=t,this.domElement.width=Math.floor(e*this._pixelRatio),this.domElement.height=Math.floor(t*this._pixelRatio),!0===r&&(this.domElement.style.width=e+"px",this.domElement.style.height=t+"px"),this.setViewport(0,0,e,t),this._dispatchResize())}getScissor(e){const t=this._scissor;return e.x=t.x,e.y=t.y,e.width=t.width,e.height=t.height,e}setScissor(e,t,r,s){const i=this._scissor;e.isVector4?i.copy(e):i.set(e,t,r,s)}getScissorTest(){return this._scissorTest}setScissorTest(e){this._scissorTest=e}getViewport(e){return e.copy(this._viewport)}setViewport(e,t,r,s,i=0,n=1){const a=this._viewport;e.isVector4?a.copy(e):a.set(e,t,r,s),a.minDepth=i,a.maxDepth=n}_dispatchResize(){this.dispatchEvent({type:"resize"})}dispose(){this.dispatchEvent({type:"dispose"})}}const IS=new ae,OS=new t,VS=new s,kS=new bt,GS=new yt,zS=new a,$S=new s,WS={[dt]:M,[M]:dt,[B]:B};class HS{constructor(e,t={}){this.isRenderer=!0;const{logarithmicDepthBuffer:r=!1,reversedDepthBuffer:s=!1,alpha:i=!0,depth:n=!0,stencil:a=!1,antialias:o=!1,samples:u=0,getFallback:l=null,outputBufferType:d=be,multiview:c=!1}=t;this.backend=e,this.autoClear=!0,this.autoClearColor=!0,this.autoClearDepth=!0,this.autoClearStencil=!0,this.alpha=i,this.logarithmicDepthBuffer=r,this.reversedDepthBuffer=s,this.outputColorSpace=re,this.toneMapping=m,this.toneMappingExposure=1,this.sortObjects=!0,this.depth=n,this.stencil=a,this.info=new My,this.contextNode=_u(),this.library=new vS,this.lighting=new RS,this._samples=u||!0===o?4:0,this._onCanvasTargetResize=this._onCanvasTargetResize.bind(this),this._canvasTarget=new US(e.getDomElement()),this._canvasTarget.addEventListener("resize",this._onCanvasTargetResize),this._canvasTarget.isDefaultCanvasTarget=!0,this._inspector=new _l,this._inspector.setRenderer(this),this._getFallback=l,this._attributes=null,this._geometries=null,this._nodes=null,this._animation=null,this._bindings=null,this._objects=null,this._pipelines=null,this._bundles=null,this._renderLists=null,this._renderContexts=null,this._textures=null,this._background=null,this._quad=new ux(new mg),this._quad.name="Output Color Transform",this._quad.material.name="outputColorTransform",this._currentRenderContext=null,this._opaqueSort=null,this._transparentSort=null,this._frameBufferTarget=null;const h=!0===this.alpha?0:1;this._clearColor=new Yy(0,0,0,h),this._clearDepth=1,this._clearStencil=0,this._renderTarget=null,this._activeCubeFace=0,this._activeMipmapLevel=0,this._outputRenderTarget=null,this._mrt=null,this._renderObjectFunction=null,this._currentRenderObjectFunction=null,this._currentRenderBundle=null,this._handleObjectFunction=this._renderObjectDirect,this._isDeviceLost=!1,this.onDeviceLost=this._onDeviceLost,this._outputBufferType=d,this._cacheShadowNodes=new WeakMap,this._initialized=!1,this._callDepth=-1,this._initPromise=null,this._compilationPromises=null,this.transparent=!0,this.opaque=!0,this.shadowMap={enabled:!1,transmitted:!1,type:Je},this.xr=new CS(this,c),this.debug={checkShaderErrors:!0,onShaderError:null,getShaderAsync:async(e,t,r)=>{await this.compileAsync(e,t);const s=this._renderLists.get(e,t),i=this._renderContexts.get(this._renderTarget,this._mrt),n=e.overrideMaterial||r.material,a=this._objects.get(r,n,e,t,s.lightsNode,i,i.clippingContext),{fragmentShader:o,vertexShader:u}=a.getNodeBuilderState();return{fragmentShader:o,vertexShader:u}}}}async init(){return null!==this._initPromise||(this._initPromise=new Promise(async(e,t)=>{let r=this.backend;try{await r.init(this)}catch(e){if(null===this._getFallback)return void t(e);try{this.backend=r=this._getFallback(e),await r.init(this)}catch(e){return void t(e)}}this._nodes=new fS(this,r),this._animation=new py(this,this._nodes,this.info),this._attributes=new Ry(r),this._background=new cN(this,this._nodes),this._geometries=new Cy(this._attributes,this.info),this._textures=new Ky(this,r,this.info),this._pipelines=new Uy(r,this._nodes),this._bindings=new Iy(r,this._nodes,this._textures,this._attributes,this._pipelines,this.info),this._objects=new by(this,this._nodes,this._geometries,this._pipelines,this._bindings,this.info),this._renderLists=new $y(this.lighting),this._bundles=new _S,this._renderContexts=new jy(this),this._animation.start(),this._initialized=!0,this._inspector.init(),e(this)})),this._initPromise}get domElement(){return this._canvasTarget.domElement}get coordinateSystem(){return this.backend.coordinateSystem}async compileAsync(e,t,r=null){if(!0===this._isDeviceLost)return;!1===this._initialized&&await this.init();const s=this._nodes.nodeFrame,i=s.renderId,n=this._currentRenderContext,a=this._currentRenderObjectFunction,o=this._handleObjectFunction,u=this._compilationPromises,l=!0===e.isScene?e:IS;null===r&&(r=e);const d=this._renderTarget,c=this._renderContexts.get(d,this._mrt),h=this._activeMipmapLevel,p=[];this._currentRenderContext=c,this._currentRenderObjectFunction=this.renderObject,this._handleObjectFunction=this._createObjectPipeline,this._compilationPromises=p,s.renderId++,s.update(),c.depth=this.depth,c.stencil=this.stencil,c.clippingContext||(c.clippingContext=new bS),c.clippingContext.updateGlobal(l,t),l.onBeforeRender(this,e,t,d);const g=this._renderLists.get(e,t);if(g.begin(),this._projectObject(e,t,0,g,c.clippingContext),r!==e&&r.traverseVisible(function(e){e.isLight&&e.layers.test(t.layers)&&g.pushLight(e)}),g.finish(),null!==d){this._textures.updateRenderTarget(d,h);const e=this._textures.get(d);c.textures=e.textures,c.depthTexture=e.depthTexture}else c.textures=null,c.depthTexture=null;r!==e?this._background.update(r,g,c):this._background.update(l,g,c);const m=g.opaque,f=g.transparent,y=g.transparentDoublePass,b=g.lightsNode;!0===this.opaque&&m.length>0&&this._renderObjects(m,t,l,b),!0===this.transparent&&f.length>0&&this._renderTransparents(f,y,t,l,b),s.renderId=i,this._currentRenderContext=n,this._currentRenderObjectFunction=a,this._handleObjectFunction=o,this._compilationPromises=u,await Promise.all(p)}async renderAsync(e,t){v('Renderer: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.render(e,t)}async waitForGPU(){o("Renderer: waitForGPU() has been removed. Read https://github.com/mrdoob/three.js/issues/32012 for more information.")}set inspector(e){null!==this._inspector&&this._inspector.setRenderer(null),this._inspector=e,this._inspector.setRenderer(this)}get inspector(){return this._inspector}set highPrecision(e){const t=this.contextNode.value;!0===e?(t.modelViewMatrix=Hd,t.modelNormalViewMatrix=qd):this.highPrecision&&(delete t.modelViewMatrix,delete t.modelNormalViewMatrix)}get highPrecision(){const e=this.contextNode.value;return e.modelViewMatrix===Hd&&e.modelNormalViewMatrix===qd}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}getOutputBufferType(){return this._outputBufferType}getColorBufferType(){return v('Renderer: ".getColorBufferType()" has been renamed to ".getOutputBufferType()".'),this.getOutputBufferType()}_onDeviceLost(e){let t=`THREE.WebGPURenderer: ${e.api} Device Lost:\n\nMessage: ${e.message}`;e.reason&&(t+=`\nReason: ${e.reason}`),o(t),this._isDeviceLost=!0}_renderBundle(e,t,r){const{bundleGroup:s,camera:i,renderList:n}=e,a=this._currentRenderContext,o=this._bundles.get(s,i),u=this.backend.get(o);void 0===u.renderContexts&&(u.renderContexts=new Set);const l=s.version!==u.version,d=!1===u.renderContexts.has(a)||l;if(u.renderContexts.add(a),d){this.backend.beginBundle(a),(void 0===u.renderObjects||l)&&(u.renderObjects=[]),this._currentRenderBundle=o;const{transparentDoublePass:e,transparent:d,opaque:c}=n;!0===this.opaque&&c.length>0&&this._renderObjects(c,i,t,r),!0===this.transparent&&d.length>0&&this._renderTransparents(d,e,i,t,r),this._currentRenderBundle=null,this.backend.finishBundle(a,o),u.version=s.version}else{const{renderObjects:e}=u;for(let t=0,r=e.length;t<r;t++){const r=e[t];this._nodes.needsRefresh(r)&&(this._nodes.updateBefore(r),this._nodes.updateForRender(r),this._bindings.updateForRender(r),this._nodes.updateAfter(r))}}this.backend.addBundle(a,o)}render(e,t){if(!1===this._initialized)throw new Error('Renderer: .render() called before the backend is initialized. Use "await renderer.init();" before rendering.');this._renderScene(e,t)}get initialized(){return this._initialized}_getFrameBufferTarget(){const{currentToneMapping:e,currentColorSpace:t}=this,r=e!==m,s=t!==p.workingColorSpace;if(!1===r&&!1===s)return null;const{width:i,height:n}=this.getDrawingBufferSize(OS),{depth:a,stencil:o}=this;let u=this._frameBufferTarget;null===u&&(u=new se(i,n,{depthBuffer:a,stencilBuffer:o,type:this._outputBufferType,format:Se,colorSpace:p.workingColorSpace,generateMipmaps:!1,minFilter:oe,magFilter:oe,samples:this.samples}),u.isPostProcessingRenderTarget=!0,this._frameBufferTarget=u);const l=this.getOutputRenderTarget();u.depthBuffer=a,u.stencilBuffer=o,null!==l?u.setSize(l.width,l.height,l.depth):u.setSize(i,n,1);const d=this._canvasTarget;return u.viewport.copy(d._viewport),u.scissor.copy(d._scissor),u.viewport.multiplyScalar(d._pixelRatio),u.scissor.multiplyScalar(d._pixelRatio),u.scissorTest=d._scissorTest,u.multiview=null!==l&&l.multiview,u.resolveDepthBuffer=null===l||l.resolveDepthBuffer,u._autoAllocateDepthBuffer=null!==l&&l._autoAllocateDepthBuffer,u}_renderScene(e,t,r=!0){if(!0===this._isDeviceLost)return;const s=r?this._getFrameBufferTarget():null,i=this._nodes.nodeFrame,n=i.renderId,a=this._currentRenderContext,o=this._currentRenderObjectFunction,u=this._handleObjectFunction;this._callDepth++;const l=!0===e.isScene?e:IS,d=this._renderTarget||this._outputRenderTarget,c=this._activeCubeFace,h=this._activeMipmapLevel;let p;null!==s?(p=s,this.setRenderTarget(p)):p=d;const g=this._renderContexts.get(p,this._mrt,this._callDepth);this._currentRenderContext=g,this._currentRenderObjectFunction=this._renderObjectFunction||this.renderObject,this._handleObjectFunction=this._renderObjectDirect,this.info.calls++,this.info.render.calls++,this.info.render.frameCalls++,i.renderId=this.info.calls,this.backend.updateTimeStampUID(g),this.inspector.beginRender(this.backend.getTimestampUID(g),e,t,p);const m=this.xr;if(!1===m.isPresenting){let e=!1;if(!0===this.reversedDepthBuffer&&!0!==t.reversedDepth){if(t._reversedDepth=!0,t.isArrayCamera)for(const e of t.cameras)e._reversedDepth=!0;e=!0}const r=this.coordinateSystem;if(t.coordinateSystem!==r){if(t.coordinateSystem=r,t.isArrayCamera)for(const e of t.cameras)e.coordinateSystem=r;e=!0}if(!0===e&&(t.updateProjectionMatrix(),t.isArrayCamera))for(const e of t.cameras)e.updateProjectionMatrix()}!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),null===t.parent&&!0===t.matrixWorldAutoUpdate&&t.updateMatrixWorld(),!0===m.enabled&&!0===m.isPresenting&&(!0===m.cameraAutoUpdate&&m.updateCamera(t),t=m.getCamera());const f=this._canvasTarget;let y=f._viewport,b=f._scissor,x=f._pixelRatio;null!==p&&(y=p.viewport,b=p.scissor,x=1),this.getDrawingBufferSize(OS),VS.set(0,0,OS.width,OS.height);const T=void 0===y.minDepth?0:y.minDepth,_=void 0===y.maxDepth?1:y.maxDepth;g.viewportValue.copy(y).multiplyScalar(x).floor(),g.viewportValue.width>>=h,g.viewportValue.height>>=h,g.viewportValue.minDepth=T,g.viewportValue.maxDepth=_,g.viewport=!1===g.viewportValue.equals(VS),g.scissorValue.copy(b).multiplyScalar(x).floor(),g.scissor=f._scissorTest&&!1===g.scissorValue.equals(VS),g.scissorValue.width>>=h,g.scissorValue.height>>=h,g.clippingContext||(g.clippingContext=new bS),g.clippingContext.updateGlobal(l,t),l.onBeforeRender(this,e,t,p);const v=t.isArrayCamera?GS:kS;t.isArrayCamera||(zS.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),v.setFromProjectionMatrix(zS,t.coordinateSystem,t.reversedDepth));const N=this._renderLists.get(e,t);if(N.begin(),this._projectObject(e,t,0,N,g.clippingContext),N.finish(),!0===this.sortObjects&&N.sort(this._opaqueSort,this._transparentSort),null!==p){this._textures.updateRenderTarget(p,h);const e=this._textures.get(p);g.textures=e.textures,g.depthTexture=e.depthTexture,g.width=e.width,g.height=e.height,g.renderTarget=p,g.depth=p.depthBuffer,g.stencil=p.stencilBuffer}else g.textures=null,g.depthTexture=null,g.width=OS.width,g.height=OS.height,g.depth=this.depth,g.stencil=this.stencil;g.width>>=h,g.height>>=h,g.activeCubeFace=c,g.activeMipmapLevel=h,g.occlusionQueryCount=N.occlusionQueryCount,g.scissorValue.max($S.set(0,0,0,0)),g.scissorValue.x+g.scissorValue.width>g.width&&(g.scissorValue.width=Math.max(g.width-g.scissorValue.x,0)),g.scissorValue.y+g.scissorValue.height>g.height&&(g.scissorValue.height=Math.max(g.height-g.scissorValue.y,0)),this._background.update(l,N,g),g.camera=t,this.backend.beginRender(g);const{bundles:S,lightsNode:R,transparentDoublePass:E,transparent:A,opaque:w}=N;return S.length>0&&this._renderBundles(S,l,R),!0===this.opaque&&w.length>0&&this._renderObjects(w,t,l,R),!0===this.transparent&&A.length>0&&this._renderTransparents(A,E,t,l,R),this.backend.finishRender(g),i.renderId=n,this._currentRenderContext=a,this._currentRenderObjectFunction=o,this._handleObjectFunction=u,this._callDepth--,null!==s&&(this.setRenderTarget(d,c,h),this._renderOutput(p)),l.onAfterRender(this,e,t,p),this.inspector.finishRender(this.backend.getTimestampUID(g)),g}_setXRLayerSize(e,t){this._canvasTarget._width=e,this._canvasTarget._height=t,this.setViewport(0,0,e,t)}_renderOutput(e){const t=this._quad;this._nodes.hasOutputChange(e.texture)&&(t.material.fragmentNode=this._nodes.getOutputNode(e.texture),t.material.needsUpdate=!0);const r=this.autoClear,s=this.xr.enabled;this.autoClear=!1,this.xr.enabled=!1,this._renderScene(t,t.camera,!1),this.autoClear=r,this.xr.enabled=s}getMaxAnisotropy(){return this.backend.getMaxAnisotropy()}getActiveCubeFace(){return this._activeCubeFace}getActiveMipmapLevel(){return this._activeMipmapLevel}async setAnimationLoop(e){!1===this._initialized&&await this.init(),this._animation.setAnimationLoop(e)}getAnimationLoop(){return this._animation.getAnimationLoop()}async getArrayBufferAsync(e){return await this.backend.getArrayBufferAsync(e)}getContext(){return this.backend.getContext()}getPixelRatio(){return this._canvasTarget.getPixelRatio()}getDrawingBufferSize(e){return this._canvasTarget.getDrawingBufferSize(e)}getSize(e){return this._canvasTarget.getSize(e)}setPixelRatio(e=1){this._canvasTarget.setPixelRatio(e)}setDrawingBufferSize(e,t,r){this.xr&&this.xr.isPresenting||this._canvasTarget.setDrawingBufferSize(e,t,r)}setSize(e,t,r=!0){this.xr&&this.xr.isPresenting||this._canvasTarget.setSize(e,t,r)}setOpaqueSort(e){this._opaqueSort=e}setTransparentSort(e){this._transparentSort=e}getScissor(e){return this._canvasTarget.getScissor(e)}setScissor(e,t,r,s){this._canvasTarget.setScissor(e,t,r,s)}getScissorTest(){return this._canvasTarget.getScissorTest()}setScissorTest(e){this._canvasTarget.setScissorTest(e),this.backend.setScissorTest(e)}getViewport(e){return this._canvasTarget.getViewport(e)}setViewport(e,t,r,s,i=0,n=1){this._canvasTarget.setViewport(e,t,r,s,i,n)}getClearColor(e){return e.copy(this._clearColor)}setClearColor(e,t=1){this._clearColor.set(e),this._clearColor.a=t}getClearAlpha(){return this._clearColor.a}setClearAlpha(e){this._clearColor.a=e}getClearDepth(){return!0===this.reversedDepthBuffer?1-this._clearDepth:this._clearDepth}setClearDepth(e){this._clearDepth=e}getClearStencil(){return this._clearStencil}setClearStencil(e){this._clearStencil=e}isOccluded(e){const t=this._currentRenderContext;return t&&this.backend.isOccluded(t,e)}clear(e=!0,t=!0,r=!0){if(!1===this._initialized)throw new Error('Renderer: .clear() called before the backend is initialized. Use "await renderer.init();" before before using this method.');const s=this._renderTarget||this._getFrameBufferTarget();let i=null;if(null!==s){this._textures.updateRenderTarget(s);const e=this._textures.get(s);i=this._renderContexts.get(s),i.textures=e.textures,i.depthTexture=e.depthTexture,i.width=e.width,i.height=e.height,i.renderTarget=s,i.depth=s.depthBuffer,i.stencil=s.stencilBuffer;const t=this.backend.getClearColor();i.clearColorValue.r=t.r,i.clearColorValue.g=t.g,i.clearColorValue.b=t.b,i.clearColorValue.a=t.a,i.clearDepthValue=this.getClearDepth(),i.clearStencilValue=this.getClearStencil(),i.activeCubeFace=this.getActiveCubeFace(),i.activeMipmapLevel=this.getActiveMipmapLevel()}this.backend.clear(e,t,r,i),null!==s&&null===this._renderTarget&&this._renderOutput(s)}clearColor(){this.clear(!0,!1,!1)}clearDepth(){this.clear(!1,!0,!1)}clearStencil(){this.clear(!1,!1,!0)}async clearAsync(e=!0,t=!0,r=!0){v('Renderer: "clearAsync()" has been deprecated. Use "clear()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.clear(e,t,r)}async clearColorAsync(){v('Renderer: "clearColorAsync()" has been deprecated. Use "clearColor()" and "await renderer.init();" when creating the renderer.'),this.clear(!0,!1,!1)}async clearDepthAsync(){v('Renderer: "clearDepthAsync()" has been deprecated. Use "clearDepth()" and "await renderer.init();" when creating the renderer.'),this.clear(!1,!0,!1)}async clearStencilAsync(){v('Renderer: "clearStencilAsync()" has been deprecated. Use "clearStencil()" and "await renderer.init();" when creating the renderer.'),this.clear(!1,!1,!0)}get needsFrameBufferTarget(){const e=this.currentToneMapping!==m,t=this.currentColorSpace!==p.workingColorSpace;return e||t}get samples(){return this._samples}get currentSamples(){let e=this._samples;return null!==this._renderTarget?e=this._renderTarget.samples:this.needsFrameBufferTarget&&(e=0),e}get currentToneMapping(){return this.isOutputTarget?this.toneMapping:m}get currentColorSpace(){return this.isOutputTarget?this.outputColorSpace:p.workingColorSpace}get isOutputTarget(){return this._renderTarget===this._outputRenderTarget||null===this._renderTarget}dispose(){!0===this._initialized&&(this.info.dispose(),this.backend.dispose(),this._animation.dispose(),this._objects.dispose(),this._geometries.dispose(),this._pipelines.dispose(),this._nodes.dispose(),this._bindings.dispose(),this._renderLists.dispose(),this._renderContexts.dispose(),this._textures.dispose(),null!==this._frameBufferTarget&&this._frameBufferTarget.dispose(),Object.values(this.backend.timestampQueryPool).forEach(e=>{null!==e&&e.dispose()})),this.setRenderTarget(null),this.setAnimationLoop(null)}setRenderTarget(e,t=0,r=0){this._renderTarget=e,this._activeCubeFace=t,this._activeMipmapLevel=r}getRenderTarget(){return this._renderTarget}setOutputRenderTarget(e){this._outputRenderTarget=e}getOutputRenderTarget(){return this._outputRenderTarget}setCanvasTarget(e){this._canvasTarget.removeEventListener("resize",this._onCanvasTargetResize),this._canvasTarget=e,this._canvasTarget.addEventListener("resize",this._onCanvasTargetResize)}getCanvasTarget(){return this._canvasTarget}_resetXRState(){this.backend.setXRTarget(null),this.setOutputRenderTarget(null),this.setRenderTarget(null),this._frameBufferTarget.dispose(),this._frameBufferTarget=null}setRenderObjectFunction(e){this._renderObjectFunction=e}getRenderObjectFunction(){return this._renderObjectFunction}compute(e,t=null){if(!0===this._isDeviceLost)return;if(!1===this._initialized)return d("Renderer: .compute() called before the backend is initialized. Try using .computeAsync() instead."),this.computeAsync(e,t);const r=this._nodes.nodeFrame,s=r.renderId;this.info.calls++,this.info.compute.calls++,this.info.compute.frameCalls++,r.renderId=this.info.calls,this.backend.updateTimeStampUID(e),this.inspector.beginCompute(this.backend.getTimestampUID(e),e);const i=this.backend,n=this._pipelines,a=this._bindings,o=this._nodes,u=Array.isArray(e)?e:[e];if(void 0===u[0]||!0!==u[0].isComputeNode)throw new Error("THREE.Renderer: .compute() expects a ComputeNode.");i.beginCompute(e);for(const r of u){if(!1===n.has(r)){const e=()=>{r.removeEventListener("dispose",e),n.delete(r),a.deleteForCompute(r),o.delete(r)};r.addEventListener("dispose",e);const t=r.onInitFunction;null!==t&&t.call(r,{renderer:this})}o.updateForCompute(r),a.updateForCompute(r);const s=a.getForCompute(r),u=n.getForCompute(r,s);i.compute(e,r,s,u,t)}i.finishCompute(e),r.renderId=s,this.inspector.finishCompute(this.backend.getTimestampUID(e))}async computeAsync(e,t=null){!1===this._initialized&&await this.init(),this.compute(e,t)}async hasFeatureAsync(e){return v('Renderer: "hasFeatureAsync()" has been deprecated. Use "hasFeature()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.hasFeature(e)}async resolveTimestampsAsync(e="render"){return!1===this._initialized&&await this.init(),this.backend.resolveTimestampsAsync(e)}hasFeature(e){if(!1===this._initialized)throw new Error('Renderer: .hasFeature() called before the backend is initialized. Use "await renderer.init();" before before using this method.');return this.backend.hasFeature(e)}hasInitialized(){return this._initialized}async initTextureAsync(e){v('Renderer: "initTextureAsync()" has been deprecated. Use "initTexture()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.initTexture(e)}initTexture(e){if(!1===this._initialized)throw new Error('Renderer: .initTexture() called before the backend is initialized. Use "await renderer.init();" before before using this method.');this._textures.updateTexture(e)}initRenderTarget(e){if(!1===this._initialized)throw new Error('Renderer: .initRenderTarget() called before the backend is initialized. Use "await renderer.init();" before before using this method.');this._textures.updateRenderTarget(e);const t=this._textures.get(e),r=this._renderContexts.get(e);r.textures=t.textures,r.depthTexture=t.depthTexture,r.width=t.width,r.height=t.height,r.renderTarget=e,r.depth=e.depthBuffer,r.stencil=e.stencilBuffer,this.backend.initRenderTarget(r)}copyFramebufferToTexture(e,t=null){if(null!==t)if(t.isVector2)t=$S.set(t.x,t.y,e.image.width,e.image.height).floor();else{if(!t.isVector4)return void o("Renderer.copyFramebufferToTexture: Invalid rectangle.");t=$S.copy(t).floor()}else t=$S.set(0,0,e.image.width,e.image.height);let r,s=this._currentRenderContext;null!==s?r=s.renderTarget:(r=this._renderTarget||this._getFrameBufferTarget(),null!==r&&(this._textures.updateRenderTarget(r),s=this._textures.get(r))),this._textures.updateTexture(e,{renderTarget:r}),this.backend.copyFramebufferToTexture(e,s,t),this._inspector.copyFramebufferToTexture(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){this._textures.updateTexture(e),this._textures.updateTexture(t),this.backend.copyTextureToTexture(e,t,r,s,i,n),this._inspector.copyTextureToTexture(e,t)}async readRenderTargetPixelsAsync(e,t,r,s,i,n=0,a=0){return this.backend.copyTextureToBuffer(e.textures[n],t,r,s,i,a)}_projectObject(e,t,r,s,i){if(!1===e.visible)return;if(e.layers.test(t.layers))if(e.isGroup)r=e.renderOrder,e.isClippingGroup&&e.enabled&&(i=i.getGroupContext(e));else if(e.isLOD)!0===e.autoUpdate&&e.update(t);else if(e.isLight)s.pushLight(e);else if(e.isSprite){const n=t.isArrayCamera?GS:kS;if(!e.frustumCulled||n.intersectsSprite(e,t)){!0===this.sortObjects&&$S.setFromMatrixPosition(e.matrixWorld).applyMatrix4(zS);const{geometry:t,material:n}=e;n.visible&&s.push(e,t,n,r,$S.z,null,i)}}else if(e.isLineLoop)o("Renderer: Objects of type THREE.LineLoop are not supported. Please use THREE.Line or THREE.LineSegments.");else if(e.isMesh||e.isLine||e.isPoints){const n=t.isArrayCamera?GS:kS;if(!e.frustumCulled||n.intersectsObject(e,t)){const{geometry:t,material:n}=e;if(!0===this.sortObjects&&(null===t.boundingSphere&&t.computeBoundingSphere(),$S.copy(t.boundingSphere.center).applyMatrix4(e.matrixWorld).applyMatrix4(zS)),Array.isArray(n)){const a=t.groups;for(let o=0,u=a.length;o<u;o++){const u=a[o],l=n[u.materialIndex];l&&l.visible&&s.push(e,t,l,r,$S.z,u,i)}}else n.visible&&s.push(e,t,n,r,$S.z,null,i)}}if(!0===e.isBundleGroup&&void 0!==this.backend.beginBundle){const r=s;(s=this._renderLists.get(e,t)).begin(),r.pushBundle({bundleGroup:e,camera:t,renderList:s}),s.finish()}const n=e.children;for(let e=0,a=n.length;e<a;e++)this._projectObject(n[e],t,r,s,i)}_renderBundles(e,t,r){for(const s of e)this._renderBundle(s,t,r)}_renderTransparents(e,t,r,s,i){if(t.length>0){for(const{material:e}of t)e.side=M;this._renderObjects(t,r,s,i,"backSide");for(const{material:e}of t)e.side=dt;this._renderObjects(e,r,s,i);for(const{material:e}of t)e.side=B}else this._renderObjects(e,r,s,i)}_renderObjects(e,t,r,s,i=null){for(let n=0,a=e.length;n<a;n++){const{object:a,geometry:o,material:u,group:l,clippingContext:d}=e[n];this._currentRenderObjectFunction(a,r,t,o,u,l,s,d,i)}}_getShadowNodes(e){const t=e.version;let r=this._cacheShadowNodes.get(e);if(void 0===r||r.version!==t){const s=null!==e.map,i=e.colorNode&&e.colorNode.isNode,n=e.castShadowNode&&e.castShadowNode.isNode,a=e.maskShadowNode&&e.maskShadowNode.isNode||e.maskNode&&e.maskNode.isNode;let o=null,u=null,l=null;if(s||i||n||a){let t,r;if(n?(t=e.castShadowNode.rgb,r=e.castShadowNode.a,!0!==this.shadowMap.transmitted&&v("Renderer: `shadowMap.transmitted` needs to be set to `true` when using `material.castShadowNode`.")):(t=Nn(0),r=mn(1)),s&&(r=r.mul(Lc("map","texture",e).a)),i&&(r=r.mul(e.colorNode.a)),u=An(t,r),a){const t=e.maskShadowNode||e.maskNode;u=ln(([e])=>(t.not().discard(),e))(u)}}e.depthNode&&e.depthNode.isNode&&(l=e.depthNode),e.castShadowPositionNode&&e.castShadowPositionNode.isNode?o=e.castShadowPositionNode:e.positionNode&&e.positionNode.isNode&&(o=e.positionNode),r={version:t,colorNode:u,depthNode:l,positionNode:o},this._cacheShadowNodes.set(e,r)}return r}renderObject(e,t,r,s,i,n,a,o=null,u=null){let l,d,c,h,p=!1;if(e.onBeforeRender(this,t,r,s,i,n),!0===i.allowOverride&&null!==t.overrideMaterial){const e=t.overrideMaterial;if(p=!0,l=e.isNodeMaterial?e.colorNode:null,d=e.isNodeMaterial?e.depthNode:null,c=e.isNodeMaterial?e.positionNode:null,h=t.overrideMaterial.side,i.positionNode&&i.positionNode.isNode&&(e.positionNode=i.positionNode),e.alphaTest=i.alphaTest,e.alphaMap=i.alphaMap,e.transparent=i.transparent||i.transmission>0||i.transmissionNode&&i.transmissionNode.isNode||i.backdropNode&&i.backdropNode.isNode,e.isShadowPassMaterial){const{colorNode:t,depthNode:r,positionNode:s}=this._getShadowNodes(i);this.shadowMap.type===Ye?e.side=null!==i.shadowSide?i.shadowSide:i.side:e.side=null!==i.shadowSide?i.shadowSide:WS[i.side],null!==t&&(e.colorNode=t),null!==r&&(e.depthNode=r),null!==s&&(e.positionNode=s)}i=e}!0===i.transparent&&i.side===B&&!1===i.forceSinglePass?(i.side=M,this._handleObjectFunction(e,i,t,r,a,n,o,"backSide"),i.side=dt,this._handleObjectFunction(e,i,t,r,a,n,o,u),i.side=B):this._handleObjectFunction(e,i,t,r,a,n,o,u),p&&(t.overrideMaterial.colorNode=l,t.overrideMaterial.depthNode=d,t.overrideMaterial.positionNode=c,t.overrideMaterial.side=h),e.onAfterRender(this,t,r,s,i,n)}hasCompatibility(e){return this.backend.hasCompatibility(e)}_renderObjectDirect(e,t,r,s,i,n,a,o){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,a,o);if(u.drawRange=e.geometry.drawRange,u.group=n,null!==this._currentRenderBundle){this.backend.get(this._currentRenderBundle).renderObjects.push(u),u.bundle=this._currentRenderBundle.bundleGroup}const l=this._nodes.needsRefresh(u);l&&(this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u)),this._pipelines.updateForRender(u),this.backend.draw(u,this.info),l&&this._nodes.updateAfter(u)}_createObjectPipeline(e,t,r,s,i,n,a,o){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,a,o);u.drawRange=e.geometry.drawRange,u.group=n,this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u),this._pipelines.getForRender(u,this._compilationPromises),this._nodes.updateAfter(u)}_onCanvasTargetResize(){this._initialized&&this.backend.updateSize()}get compile(){return this.compileAsync}}class qS{constructor(e=""){this.name=e,this.visibility=0}setVisibility(e){this.visibility|=e}getVisibility(){return this.visibility}clone(){return Object.assign(new this.constructor,this)}}class jS extends qS{constructor(e,t=null){super(e),this.isBuffer=!0,this.bytesPerElement=Float32Array.BYTES_PER_ELEMENT,this._buffer=t,this._updateRanges=[]}get updateRanges(){return this._updateRanges}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}get byteLength(){return(e=this._buffer.byteLength)+(Sy-e%Sy)%Sy;var e}get buffer(){return this._buffer}update(){return!0}}class XS extends jS{constructor(e,t=null){super(e,t),this.isUniformBuffer=!0}}let KS=0;class YS extends XS{constructor(e,t){super("UniformBuffer_"+KS++,e?e.value:null),this.nodeUniform=e,this.groupNode=t,this.isNodeUniformBuffer=!0}set updateRanges(e){this.nodeUniform.updateRanges=e}get updateRanges(){return this.nodeUniform.updateRanges}addUpdateRange(e,t){this.nodeUniform.addUpdateRange(e,t)}clearUpdateRanges(){this.nodeUniform.clearUpdateRanges()}get buffer(){return this.nodeUniform.value}}class QS extends XS{constructor(e){super(e),this.isUniformsGroup=!0,this._values=null,this.uniforms=[],this._updateRangeCache=new Map}addUniformUpdateRange(e){const t=e.index;if(!0!==this._updateRangeCache.has(t)){const r=this.updateRanges,s={start:e.offset,count:e.itemSize};r.push(s),this._updateRangeCache.set(t,s)}}clearUpdateRanges(){this._updateRangeCache.clear(),super.clearUpdateRanges()}addUniform(e){return this.uniforms.push(e),this}removeUniform(e){const t=this.uniforms.indexOf(e);return-1!==t&&this.uniforms.splice(t,1),this}get values(){return null===this._values&&(this._values=Array.from(this.buffer)),this._values}get buffer(){let e=this._buffer;if(null===e){const t=this.byteLength;e=new Float32Array(new ArrayBuffer(t)),this._buffer=e}return e}get byteLength(){const e=this.bytesPerElement;let t=0;for(let r=0,s=this.uniforms.length;r<s;r++){const s=this.uniforms[r],i=s.boundary,n=s.itemSize*e,a=t%Sy,o=a%i,u=a+o;t+=o,0!==u&&Sy-u<n&&(t+=Sy-u),s.offset=t/e,s.index=r,t+=n}return Math.ceil(t/Sy)*Sy}update(){let e=!1;for(const t of this.uniforms)!0===this.updateByType(t)&&(e=!0);return e}updateByType(e){return e.isNumberUniform?this.updateNumber(e):e.isVector2Uniform?this.updateVector2(e):e.isVector3Uniform?this.updateVector3(e):e.isVector4Uniform?this.updateVector4(e):e.isColorUniform?this.updateColor(e):e.isMatrix3Uniform?this.updateMatrix3(e):e.isMatrix4Uniform?this.updateMatrix4(e):void o("WebGPUUniformsGroup: Unsupported uniform type.",e)}updateNumber(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i]!==s){this._getBufferForType(n)[i]=r[i]=s,t=!0,this.addUniformUpdateRange(e)}return t}updateVector2(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y){const a=this._getBufferForType(n);a[i+0]=r[i+0]=s.x,a[i+1]=r[i+1]=s.y,t=!0,this.addUniformUpdateRange(e)}return t}updateVector3(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z){const a=this._getBufferForType(n);a[i+0]=r[i+0]=s.x,a[i+1]=r[i+1]=s.y,a[i+2]=r[i+2]=s.z,t=!0,this.addUniformUpdateRange(e)}return t}updateVector4(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z||r[i+4]!==s.w){const a=this._getBufferForType(n);a[i+0]=r[i+0]=s.x,a[i+1]=r[i+1]=s.y,a[i+2]=r[i+2]=s.z,a[i+3]=r[i+3]=s.w,t=!0,this.addUniformUpdateRange(e)}return t}updateColor(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset;if(r[i+0]!==s.r||r[i+1]!==s.g||r[i+2]!==s.b){const n=this.buffer;n[i+0]=r[i+0]=s.r,n[i+1]=r[i+1]=s.g,n[i+2]=r[i+2]=s.b,t=!0,this.addUniformUpdateRange(e)}return t}updateMatrix3(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(r[i+0]!==s[0]||r[i+1]!==s[1]||r[i+2]!==s[2]||r[i+4]!==s[3]||r[i+5]!==s[4]||r[i+6]!==s[5]||r[i+8]!==s[6]||r[i+9]!==s[7]||r[i+10]!==s[8]){const n=this.buffer;n[i+0]=r[i+0]=s[0],n[i+1]=r[i+1]=s[1],n[i+2]=r[i+2]=s[2],n[i+4]=r[i+4]=s[3],n[i+5]=r[i+5]=s[4],n[i+6]=r[i+6]=s[5],n[i+8]=r[i+8]=s[6],n[i+9]=r[i+9]=s[7],n[i+10]=r[i+10]=s[8],t=!0,this.addUniformUpdateRange(e)}return t}updateMatrix4(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(!1===function(e,t,r){for(let s=0,i=t.length;s<i;s++)if(e[r+s]!==t[s])return!1;return!0}(r,s,i)){this.buffer.set(s,i),function(e,t,r){for(let s=0,i=t.length;s<i;s++)e[r+s]=t[s]}(r,s,i),t=!0,this.addUniformUpdateRange(e)}return t}_getBufferForType(e){return"int"===e||"ivec2"===e||"ivec3"===e||"ivec4"===e?new Int32Array(this.buffer.buffer):"uint"===e||"uvec2"===e||"uvec3"===e||"uvec4"===e?new Uint32Array(this.buffer.buffer):this.buffer}}let ZS=0;class JS extends QS{constructor(e,t){super(e),this.id=ZS++,this.groupNode=t,this.isNodeUniformsGroup=!0}}class eR extends qS{constructor(e,t){super(e),this._texture=null,this._onTextureDispose=()=>{this.generation=null,this.version=0},this.texture=t,this.version=t?t.version:0,this.generation=null,this.samplerKey="",this.isSampler=!0}set texture(e){this._texture!==e&&(this._texture&&this._texture.removeEventListener("dispose",this._onTextureDispose),this._texture=e,this.generation=null,this.version=0,this._texture&&this._texture.addEventListener("dispose",this._onTextureDispose))}get texture(){return this._texture}update(){const{texture:e,version:t}=this;return t!==e.version&&(this.version=e.version,!0)}clone(){const e=super.clone();return e._texture=null,e._onTextureDispose=()=>{e.generation=null,e.version=0},e.texture=this.texture,e}}let tR=0;class rR extends eR{constructor(e,t){super(e,t),this.id=tR++,this.store=!1,this.mipLevel=0,this.isSampledTexture=!0}}class sR extends rR{constructor(e,t,r,s=null){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r,this.access=s}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update()}}class iR extends sR{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledCubeTexture=!0}}class nR extends sR{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledTexture3D=!0}}const aR={bitcast_int_uint:new cT("uint tsl_bitcast_int_to_uint ( int x ) { return floatBitsToUint( intBitsToFloat ( x ) ); }"),bitcast_uint_int:new cT("uint tsl_bitcast_uint_to_int ( uint x ) { return floatBitsToInt( uintBitsToFloat ( x ) ); }")},oR={textureDimensions:"textureSize",equals:"equal",bitcast_float_int:"floatBitsToInt",bitcast_int_float:"intBitsToFloat",bitcast_uint_float:"uintBitsToFloat",bitcast_float_uint:"floatBitsToUint",bitcast_uint_int:"tsl_bitcast_uint_to_int",bitcast_int_uint:"tsl_bitcast_int_to_uint",floatpack_snorm_2x16:"packSnorm2x16",floatpack_unorm_2x16:"packUnorm2x16",floatpack_float16_2x16:"packHalf2x16",floatunpack_snorm_2x16:"unpackSnorm2x16",floatunpack_unorm_2x16:"unpackUnorm2x16",floatunpack_float16_2x16:"unpackHalf2x16"},uR={low:"lowp",medium:"mediump",high:"highp"},lR={swizzleAssign:!0,storageBuffer:!1},dR={perspective:"smooth",linear:"noperspective"},cR={centroid:"centroid"},hR="\nprecision highp float;\nprecision highp int;\nprecision highp sampler2D;\nprecision highp sampler3D;\nprecision highp samplerCube;\nprecision highp sampler2DArray;\n\nprecision highp usampler2D;\nprecision highp usampler3D;\nprecision highp usamplerCube;\nprecision highp usampler2DArray;\n\nprecision highp isampler2D;\nprecision highp isampler3D;\nprecision highp isamplerCube;\nprecision highp isampler2DArray;\n\nprecision highp sampler2DShadow;\nprecision highp sampler2DArrayShadow;\nprecision highp samplerCubeShadow;\n";class pR extends HN{constructor(e,t){super(e,t,new hS),this.uniformGroups={},this.transforms=[],this.extensions={},this.builtins={vertex:[],fragment:[],compute:[]}}needsToWorkingColorSpace(e){return!0===e.isVideoTexture&&e.colorSpace!==T}_include(e){const t=aR[e];return t.build(this),this.addInclude(t),t}getMethod(e){return void 0!==aR[e]&&this._include(e),oR[e]||e}getBitcastMethod(e,t){return this.getMethod(`bitcast_${t}_${e}`)}getFloatPackingMethod(e){return this.getMethod(`floatpack_${e}_2x16`)}getFloatUnpackingMethod(e){return this.getMethod(`floatunpack_${e}_2x16`)}getTernary(e,t,r){return`${e} ? ${t} : ${r}`}getOutputStructName(){return""}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(this.getType(e.type)+" "+e.name);return`${this.getType(t.type)} ${t.name}( ${s.join(", ")} ) {\n\n\t${r.vars}\n\n${r.code}\n\treturn ${r.result};\n\n}`}setupPBO(e){const t=e.value;if(void 0===t.pbo){const e=t.array,r=t.count*t.itemSize,{itemSize:s}=t,i=t.array.constructor.name.toLowerCase().includes("int");let n=i?xt:Tt;2===s?n=i?St:G:3===s?n=i?Rt:Et:4===s&&(n=i?At:Se);const a={Float32Array:j,Uint8Array:Ve,Uint16Array:Nt,Uint32Array:S,Int8Array:vt,Int16Array:_t,Int32Array:R,Uint8ClampedArray:Ve},o=Math.pow(2,Math.ceil(Math.log2(Math.sqrt(r/s))));let u=Math.ceil(r/s/o);o*u*s<r&&u++;const l=o*u*s,d=new e.constructor(l);d.set(e,0),t.array=d;const c=new ye(t.array,o,u,n,a[t.array.constructor.name]||j);c.needsUpdate=!0,c.isPBOTexture=!0;const h=new Ll(c,null,null);h.setPrecision("high"),t.pboNode=h,t.pbo=h.value,this.getUniformFromNode(t.pboNode,"texture",this.shaderStage,this.context.nodeName)}}getPropertyName(e,t=this.shaderStage){return e.isNodeUniform&&!0!==e.node.isTextureNode&&!0!==e.node.isBufferNode?e.name:super.getPropertyName(e,t)}generatePBO(e){const{node:t,indexNode:r}=e,s=t.value;if(this.renderer.backend.has(s)){this.renderer.backend.get(s).pbo=s.pbo}const i=this.getUniformFromNode(s.pboNode,"texture",this.shaderStage,this.context.nodeName),n=this.getPropertyName(i);this.increaseUsage(r);const a=r.build(this,"uint"),o=this.getDataFromNode(e);let u=o.propertyName;if(void 0===u){const r=this.getVarFromNode(e);u=this.getPropertyName(r);const i=this.getDataFromNode(t);let l=i.propertySizeName;void 0===l&&(l=u+"Size",this.getVarFromNode(t,l,"uint"),this.addLineFlowCode(`${l} = uint( textureSize( ${n}, 0 ).x )`,e),i.propertySizeName=l);const{itemSize:d}=s,c="."+ai.join("").slice(0,d),h=`ivec2(${a} % ${l}, ${a} / ${l})`,p=this.generateTextureLoad(null,n,h,"0",null,null);let g="vec4";s.pbo.type===S?g="uvec4":s.pbo.type===R&&(g="ivec4"),this.addLineFlowCode(`${u} = ${g}(${p})${c}`,e),o.propertyName=u}return u}generateTextureLoad(e,t,r,s,i,n){let a;return null===s&&(s="0"),a=i?n?`texelFetchOffset( ${t}, ivec3( ${r}, ${i} ), ${s}, ${n} )`:`texelFetch( ${t}, ivec3( ${r}, ${i} ), ${s} )`:n?`texelFetchOffset( ${t}, ${r}, ${s}, ${n} )`:`texelFetch( ${t}, ${r}, ${s} )`,null!==e&&e.isDepthTexture&&(a+=".x"),a}generateTexture(e,t,r,s,i){return s&&(r=`vec3( ${r}, ${s} )`),e.isDepthTexture?i?`textureOffset( ${t}, ${r}, ${i} ).x`:`texture( ${t}, ${r} ).x`:i?`textureOffset( ${t}, ${r}, ${i} )`:`texture( ${t}, ${r} )`}generateTextureLevel(e,t,r,s,i){return i?`textureLodOffset( ${t}, ${r}, ${s}, ${i} )`:`textureLod( ${t}, ${r}, ${s} )`}generateTextureBias(e,t,r,s,i){return i?`textureOffset( ${t}, ${r}, ${i}, ${s} )`:`texture( ${t}, ${r}, ${s} )`}generateTextureGrad(e,t,r,s,i){return i?`textureGradOffset( ${t}, ${r}, ${s[0]}, ${s[1]}, ${i} )`:`textureGrad( ${t}, ${r}, ${s[0]}, ${s[1]} )`}generateTextureCompare(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return e.isCubeTexture?`texture( ${t}, vec4( ${r}, ${s} ) )`:i?n?`textureOffset( ${t}, vec4( ${r}, ${i}, ${s} ), ${n} )`:`texture( ${t}, vec4( ${r}, ${i}, ${s} ) )`:n?`textureOffset( ${t}, vec3( ${r}, ${s} ), ${n} )`:`texture( ${t}, vec3( ${r}, ${s} ) )`;o(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${a} shader.`)}getVars(e){const t=[],r=this.vars[e];if(void 0!==r)for(const e of r)t.push(`${this.getVar(e.type,e.name,e.count)};`);return t.join("\n\t")}getUniforms(e){const t=this.uniforms[e],r=[],s={};for(const e of t){let t=null,i=!1;if("texture"===e.type||"texture3D"===e.type){const r=e.node.value;let s="";!0!==r.isDataTexture&&!0!==r.isData3DTexture||(r.type===S?s="u":r.type===R&&(s="i")),t="texture3D"===e.type&&!1===r.isArrayTexture?`${s}sampler3D ${e.name};`:r.compareFunction?!0===r.isArrayTexture?`sampler2DArrayShadow ${e.name};`:`sampler2DShadow ${e.name};`:!0===r.isArrayTexture||!0===r.isDataArrayTexture||!0===r.isCompressedArrayTexture?`${s}sampler2DArray ${e.name};`:`${s}sampler2D ${e.name};`}else if("cubeTexture"===e.type)t=`samplerCube ${e.name};`;else if("cubeDepthTexture"===e.type){t=e.node.value.compareFunction?`samplerCubeShadow ${e.name};`:`samplerCube ${e.name};`}else if("buffer"===e.type){const r=e.node,s=this.getType(r.bufferType),i=r.bufferCount,n=i>0?i:"";t=`${r.name} {\n\t${s} ${e.name}[${n}];\n};\n`}else{const t=e.groupNode.name;if(void 0===s[t]){const e=this.uniformGroups[t];if(void 0!==e){const r=[];for(const t of e.uniforms){const e=t.getType(),s=this.getVectorType(e),i=t.nodeUniform.node.precision;let n=`${s} ${t.name};`;null!==i&&(n=uR[i]+" "+n),r.push("\t"+n)}s[t]=r}}i=!0}if(!i){const s=e.node.precision;null!==s&&(t=uR[s]+" "+t),t="uniform "+t,r.push(t)}}let i="";for(const e in s){const t=s[e];i+=this._getGLSLUniformStruct(e,t.join("\n"))+"\n"}return i+=r.join("\n"),i}getTypeFromAttribute(e){let t=super.getTypeFromAttribute(e);if(/^[iu]/.test(t)&&e.gpuType!==R){let r=e;e.isInterleavedBufferAttribute&&(r=e.data);const s=r.array;!1==(s instanceof Uint32Array||s instanceof Int32Array)&&(t=t.slice(1))}return t}getAttributes(e){let t="";if("vertex"===e||"compute"===e){const e=this.getAttributesArray();let r=0;for(const s of e)t+=`layout( location = ${r++} ) in ${s.type} ${s.name};\n`}return t}getStructMembers(e){const t=[];for(const r of e.members)t.push(`\t${r.type} ${r.name};`);return t.join("\n")}getStructs(e){const t=[],r=this.structs[e],s=[];for(const e of r)if(e.output)for(const t of e.members)s.push(`layout( location = ${t.index} ) out ${t.type} ${t.name};`);else{let r="struct "+e.name+" {\n";r+=this.getStructMembers(e),r+="\n};\n",t.push(r)}return 0===s.length&&s.push("layout( location = 0 ) out vec4 fragColor;"),"\n"+s.join("\n")+"\n\n"+t.join("\n")}getVaryings(e){let t="";const r=this.varyings;if("vertex"===e||"compute"===e)for(const s of r){"compute"===e&&(s.needsInterpolation=!0);const r=this.getType(s.type);if(s.needsInterpolation)if(s.interpolationType){t+=`${dR[s.interpolationType]||s.interpolationType} ${cR[s.interpolationSampling]||""} out ${r} ${s.name};\n`}else{t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}out ${r} ${s.name};\n`}else t+=`${r} ${s.name};\n`}else if("fragment"===e)for(const e of r)if(e.needsInterpolation){const r=this.getType(e.type);if(e.interpolationType){t+=`${dR[e.interpolationType]||e.interpolationType} ${cR[e.interpolationSampling]||""} in ${r} ${e.name};\n`}else{t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}in ${r} ${e.name};\n`}}for(const r of this.builtins[e])t+=`${r};\n`;return t}getVertexIndex(){return"uint( gl_VertexID )"}getInstanceIndex(){return"uint( gl_InstanceID )"}getInvocationLocalIndex(){return`uint( gl_InstanceID ) % ${this.object.workgroupSize.reduce((e,t)=>e*t,1)}u`}getSubgroupSize(){o("GLSLNodeBuilder: WebGLBackend does not support the subgroupSize node")}getInvocationSubgroupIndex(){o("GLSLNodeBuilder: WebGLBackend does not support the invocationSubgroupIndex node")}getSubgroupIndex(){o("GLSLNodeBuilder: WebGLBackend does not support the subgroupIndex node")}getDrawIndex(){return this.renderer.backend.extensions.has("WEBGL_multi_draw")?"uint( gl_DrawID )":null}getFrontFacing(){return"gl_FrontFacing"}getFragCoord(){return"gl_FragCoord.xy"}getFragDepth(){return"gl_FragDepth"}enableExtension(e,t,r=this.shaderStage){const s=this.extensions[r]||(this.extensions[r]=new Map);!1===s.has(e)&&s.set(e,{name:e,behavior:t})}getExtensions(e){const t=[];if("vertex"===e){const t=this.renderer.backend.extensions;this.object.isBatchedMesh&&t.has("WEBGL_multi_draw")&&this.enableExtension("GL_ANGLE_multi_draw","require",e)}const r=this.extensions[e];if(void 0!==r)for(const{name:e,behavior:s}of r.values())t.push(`#extension ${e} : ${s}`);return t.join("\n")}getClipDistance(){return"gl_ClipDistance"}isAvailable(e){let t=lR[e];if(void 0===t){let r;switch(t=!1,e){case"float32Filterable":r="OES_texture_float_linear";break;case"clipDistance":r="WEBGL_clip_cull_distance"}if(void 0!==r){const e=this.renderer.backend.extensions;e.has(r)&&(e.get(r),t=!0)}lR[e]=t}return t}isFlipY(){return!0}getUniformBufferLimit(){const e=this.renderer.backend.gl;return e.getParameter(e.MAX_UNIFORM_BLOCK_SIZE)}enableHardwareClipping(e){this.enableExtension("GL_ANGLE_clip_cull_distance","require"),this.builtins.vertex.push(`out float gl_ClipDistance[ ${e} ]`)}enableMultiview(){this.enableExtension("GL_OVR_multiview2","require","fragment"),this.enableExtension("GL_OVR_multiview2","require","vertex"),this.builtins.vertex.push("layout(num_views = 2) in")}registerTransform(e,t){this.transforms.push({varyingName:e,attributeNode:t})}getTransforms(){const e=this.transforms;let t="";for(let r=0;r<e.length;r++){const s=e[r],i=this.getPropertyName(s.attributeNode);i&&(t+=`${s.varyingName} = ${i};\n\t`)}return t}_getGLSLUniformStruct(e,t){return`\nlayout( std140 ) uniform ${e} {\n${t}\n};`}_getGLSLVertexCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// extensions\n${e.extensions}\n\n// precision\n${hR}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// attributes\n${e.attributes}\n\n// codes\n${e.codes}\n\nvoid main() {\n\n\t// vars\n\t${e.vars}\n\n\t// transforms\n\t${e.transforms}\n\n\t// flow\n\t${e.flow}\n\n\tgl_PointSize = 1.0;\n\n}\n`}_getGLSLFragmentCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// extensions\n${e.extensions}\n\n// precision\n${hR}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// codes\n${e.codes}\n\nvoid main() {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){let r="// code\n\n";r+=this.flowCode[t];const s=this.flowNodes[t],i=s[s.length-1];for(const e of s){const s=this.getFlowData(e),n=e.name;n&&(r.length>0&&(r+="\n"),r+=`\t// flow -> ${n}\n\t`),r+=`${s.code}\n\t`,e===i&&"compute"!==t&&(r+="// result\n\t","vertex"===t?(r+="gl_Position = ",r+=`${s.result};`):"fragment"===t&&(e.outputNode.isOutputStructNode||(r+="fragColor = ",r+=`${s.result};`)))}const n=e[t];n.extensions=this.getExtensions(t),n.uniforms=this.getUniforms(t),n.attributes=this.getAttributes(t),n.varyings=this.getVaryings(t),n.vars=this.getVars(t),n.structs=this.getStructs(t),n.codes=this.getCodes(t),n.transforms=this.getTransforms(t),n.flow=r}null!==this.material?(this.vertexShader=this._getGLSLVertexCode(e.vertex),this.fragmentShader=this._getGLSLFragmentCode(e.fragment)):this.computeShader=this._getGLSLVertexCode(e.compute)}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);let a=n.uniformGPU;if(void 0===a){const s=e.groupNode,o=s.name,u=this.getBindGroupArray(o,r);if("texture"===t)a=new sR(i.name,i.node,s),u.push(a);else if("cubeTexture"===t||"cubeDepthTexture"===t)a=new iR(i.name,i.node,s),u.push(a);else if("texture3D"===t)a=new nR(i.name,i.node,s),u.push(a);else if("buffer"===t){i.name=`buffer${e.id}`;const t=this.getSharedDataFromNode(e);let r=t.buffer;void 0===r&&(e.name=`NodeBuffer_${e.id}`,r=new YS(e,s),r.name=e.name,t.buffer=r),u.push(r),a=r}else{let e=this.uniformGroups[o];void 0===e?(e=new JS(o,s),this.uniformGroups[o]=e,u.push(e)):-1===u.indexOf(e)&&u.push(e),a=this.getNodeUniform(i,t);const r=a.name;e.uniforms.some(e=>e.name===r)||e.addUniform(a)}n.uniformGPU=a}return i}}let gR=null,mR=null;class fR{constructor(e={}){this.parameters=Object.assign({},e),this.data=new WeakMap,this.renderer=null,this.domElement=null,this.timestampQueryPool={[wt.RENDER]:null,[wt.COMPUTE]:null},this.trackTimestamp=!0===e.trackTimestamp}async init(e){this.renderer=e}get coordinateSystem(){}beginRender(){}finishRender(){}beginCompute(){}finishCompute(){}draw(){}compute(){}createProgram(){}destroyProgram(){}createBindings(){}updateBindings(){}updateBinding(){}createRenderPipeline(){}createComputePipeline(){}needsRenderUpdate(){}getRenderCacheKey(){}createNodeBuilder(){}updateSampler(){}createDefaultTexture(){}createTexture(){}updateTexture(){}generateMipmaps(){}destroyTexture(){}async copyTextureToBuffer(){}copyTextureToTexture(){}copyFramebufferToTexture(){}createAttribute(){}createIndexAttribute(){}createStorageAttribute(){}updateAttribute(){}destroyAttribute(){}getContext(){}updateSize(){}updateViewport(){}updateTimeStampUID(e){const t=this.get(e),r=this.renderer.info.frame;let s;s=!0===e.isComputeNode?"c:"+this.renderer.info.compute.frameCalls:"r:"+this.renderer.info.render.frameCalls,t.timestampUID=s+":"+e.id+":f"+r}getTimestampUID(e){return this.get(e).timestampUID}getTimestampFrames(e){const t=this.timestampQueryPool[e];return t?t.getTimestampFrames():[]}_getQueryPool(e){const t=e.startsWith("c:")?wt.COMPUTE:wt.RENDER;return this.timestampQueryPool[t]}getTimestamp(e){return this._getQueryPool(e).getTimestamp(e)}hasTimestamp(e){return this._getQueryPool(e).hasTimestamp(e)}isOccluded(){}async resolveTimestampsAsync(e="render"){if(!this.trackTimestamp)return void v("WebGPURenderer: Timestamp tracking is disabled.");const t=this.timestampQueryPool[e];if(!t)return;const r=await t.resolveQueriesAsync();return this.renderer.info[e].timestamp=r,r}async getArrayBufferAsync(){}async hasFeatureAsync(){}hasFeature(){}getMaxAnisotropy(){}getDrawingBufferSize(){return gR=gR||new t,this.renderer.getDrawingBufferSize(gR)}setScissorTest(){}getClearColor(){const e=this.renderer;return mR=mR||new Yy,e.getClearColor(mR),mR.getRGB(mR),mR}getDomElement(){let e=this.domElement;return null===e&&(e=void 0!==this.parameters.canvas?this.parameters.canvas:Ct(),"setAttribute"in e&&e.setAttribute("data-engine",`three.js r${ot} webgpu`),this.domElement=e),e}hasCompatibility(){return!1}initRenderTarget(){}set(e,t){this.data.set(e,t)}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}has(e){return this.data.has(e)}delete(e){this.data.delete(e)}deleteBindGroupData(){}dispose(){}}let yR,bR,xR=0;class TR{constructor(e,t){this.buffers=[e.bufferGPU,t],this.type=e.type,this.bufferType=e.bufferType,this.pbo=e.pbo,this.byteLength=e.byteLength,this.bytesPerElement=e.BYTES_PER_ELEMENT,this.version=e.version,this.isInteger=e.isInteger,this.activeBufferIndex=0,this.baseId=e.id}get id(){return`${this.baseId}|${this.activeBufferIndex}`}get bufferGPU(){return this.buffers[this.activeBufferIndex]}get transformBuffer(){return this.buffers[1^this.activeBufferIndex]}switchBuffers(){this.activeBufferIndex^=1}}class _R{constructor(e){this.backend=e}createAttribute(e,t){const r=this.backend,{gl:s}=r,i=e.array,n=e.usage||s.STATIC_DRAW,a=e.isInterleavedBufferAttribute?e.data:e,o=r.get(a);let u,l=o.bufferGPU;if(void 0===l&&(l=this._createBuffer(s,t,i,n),o.bufferGPU=l,o.bufferType=t,o.version=a.version),i instanceof Float32Array)u=s.FLOAT;else if("undefined"!=typeof Float16Array&&i instanceof Float16Array)u=s.HALF_FLOAT;else if(i instanceof Uint16Array)u=e.isFloat16BufferAttribute?s.HALF_FLOAT:s.UNSIGNED_SHORT;else if(i instanceof Int16Array)u=s.SHORT;else if(i instanceof Uint32Array)u=s.UNSIGNED_INT;else if(i instanceof Int32Array)u=s.INT;else if(i instanceof Int8Array)u=s.BYTE;else if(i instanceof Uint8Array)u=s.UNSIGNED_BYTE;else{if(!(i instanceof Uint8ClampedArray))throw new Error("THREE.WebGLBackend: Unsupported buffer data format: "+i);u=s.UNSIGNED_BYTE}let d={bufferGPU:l,bufferType:t,type:u,byteLength:i.byteLength,bytesPerElement:i.BYTES_PER_ELEMENT,version:e.version,pbo:e.pbo,isInteger:u===s.INT||u===s.UNSIGNED_INT||e.gpuType===R,id:xR++};if(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute){const e=this._createBuffer(s,t,i,n);d=new TR(d,e)}r.set(e,d)}updateAttribute(e){const t=this.backend,{gl:r}=t,s=e.array,i=e.isInterleavedBufferAttribute?e.data:e,n=t.get(i),a=n.bufferType,o=e.isInterleavedBufferAttribute?e.data.updateRanges:e.updateRanges;if(r.bindBuffer(a,n.bufferGPU),0===o.length)r.bufferSubData(a,0,s);else{for(let e=0,t=o.length;e<t;e++){const t=o[e];r.bufferSubData(a,t.start*s.BYTES_PER_ELEMENT,s,t.start,t.count)}i.clearUpdateRanges()}r.bindBuffer(a,null),n.version=i.version}destroyAttribute(e){const t=this.backend,{gl:r}=t;e.isInterleavedBufferAttribute&&t.delete(e.data);const s=t.get(e);r.deleteBuffer(s.bufferGPU),t.delete(e)}async getArrayBufferAsync(e){const t=this.backend,{gl:r}=t,s=e.isInterleavedBufferAttribute?e.data:e,{bufferGPU:i}=t.get(s),n=e.array,a=n.byteLength;r.bindBuffer(r.COPY_READ_BUFFER,i);const o=r.createBuffer();r.bindBuffer(r.COPY_WRITE_BUFFER,o),r.bufferData(r.COPY_WRITE_BUFFER,a,r.STREAM_READ),r.copyBufferSubData(r.COPY_READ_BUFFER,r.COPY_WRITE_BUFFER,0,0,a),await t.utils._clientWaitAsync();const u=new e.array.constructor(n.length);return r.bindBuffer(r.COPY_WRITE_BUFFER,o),r.getBufferSubData(r.COPY_WRITE_BUFFER,0,u),r.deleteBuffer(o),r.bindBuffer(r.COPY_READ_BUFFER,null),r.bindBuffer(r.COPY_WRITE_BUFFER,null),u.buffer}_createBuffer(e,t,r,s){const i=e.createBuffer();return e.bindBuffer(t,i),e.bufferData(t,r,s),e.bindBuffer(t,null),i}}class vR{constructor(e){this.backend=e,this.gl=this.backend.gl,this.enabled={},this.currentFlipSided=null,this.currentCullFace=null,this.currentProgram=null,this.currentBlendingEnabled=!1,this.currentBlending=null,this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentPremultipledAlpha=null,this.currentPolygonOffsetFactor=null,this.currentPolygonOffsetUnits=null,this.currentColorMask=null,this.currentDepthReversed=!1,this.currentDepthFunc=null,this.currentDepthMask=null,this.currentStencilFunc=null,this.currentStencilRef=null,this.currentStencilFuncMask=null,this.currentStencilFail=null,this.currentStencilZFail=null,this.currentStencilZPass=null,this.currentStencilMask=null,this.currentLineWidth=null,this.currentClippingPlanes=0,this.currentVAO=null,this.currentIndex=null,this.currentBoundFramebuffers={},this.currentDrawbuffers=new WeakMap,this.maxTextures=this.gl.getParameter(this.gl.MAX_TEXTURE_IMAGE_UNITS),this.currentTextureSlot=null,this.currentBoundTextures={},this.currentBoundBufferBases={},this._init()}_init(){const e=this.gl;yR={[$e]:e.FUNC_ADD,[Bt]:e.FUNC_SUBTRACT,[Mt]:e.FUNC_REVERSE_SUBTRACT},bR={[ht]:e.ZERO,[Vt]:e.ONE,[Ot]:e.SRC_COLOR,[Ge]:e.SRC_ALPHA,[It]:e.SRC_ALPHA_SATURATE,[Ut]:e.DST_COLOR,[Dt]:e.DST_ALPHA,[Pt]:e.ONE_MINUS_SRC_COLOR,[ze]:e.ONE_MINUS_SRC_ALPHA,[Lt]:e.ONE_MINUS_DST_COLOR,[Ft]:e.ONE_MINUS_DST_ALPHA};const t=e.getParameter(e.SCISSOR_BOX),r=e.getParameter(e.VIEWPORT);this.currentScissor=(new s).fromArray(t),this.currentViewport=(new s).fromArray(r),this._tempVec4=new s}enable(e){const{enabled:t}=this;!0!==t[e]&&(this.gl.enable(e),t[e]=!0)}disable(e){const{enabled:t}=this;!1!==t[e]&&(this.gl.disable(e),t[e]=!1)}setFlipSided(e){if(this.currentFlipSided!==e){const{gl:t}=this;e?t.frontFace(t.CW):t.frontFace(t.CCW),this.currentFlipSided=e}}setCullFace(e){const{gl:t}=this;e!==kt?(this.enable(t.CULL_FACE),e!==this.currentCullFace&&(e===Gt?t.cullFace(t.BACK):e===zt?t.cullFace(t.FRONT):t.cullFace(t.FRONT_AND_BACK))):this.disable(t.CULL_FACE),this.currentCullFace=e}setLineWidth(e){const{currentLineWidth:t,gl:r}=this;e!==t&&(r.lineWidth(e),this.currentLineWidth=e)}setMRTBlending(e,t,r){const s=this.gl,i=this.backend.drawBuffersIndexedExt;if(i)for(let n=0;n<e.length;n++){const a=e[n];let o=null;if(null!==t){const e=t.getBlendMode(a.name);e.blending===We?o=r:e.blending!==ee&&(o=e)}else o=r;null!==o?this._setMRTBlendingIndex(n,o):i.blendFuncSeparateiOES(n,s.ONE,s.ZERO,s.ONE,s.ZERO)}else v("WebGPURenderer: Multiple Render Targets (MRT) blending configuration is not fully supported in compatibility mode. The material blending will be used for all render targets.")}_setMRTBlendingIndex(e,t){const{gl:r}=this,s=this.backend.drawBuffersIndexedExt,i=t.blending,n=t.blendSrc,a=t.blendDst,o=t.blendEquation,u=t.premultipliedAlpha;if(i===ct){const r=null!==t.blendSrcAlpha?t.blendSrcAlpha:n,i=null!==t.blendDstAlpha?t.blendDstAlpha:a,u=null!==t.blendEquationAlpha?t.blendEquationAlpha:o;s.blendEquationSeparateiOES(e,yR[o],yR[u]),s.blendFuncSeparateiOES(e,bR[n],bR[a],bR[r],bR[i])}else if(s.blendEquationSeparateiOES(e,r.FUNC_ADD,r.FUNC_ADD),u)switch(i){case ke:s.blendFuncSeparateiOES(e,r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA);break;case Ht:s.blendFuncSeparateiOES(e,r.ONE,r.ONE,r.ONE,r.ONE);break;case Wt:s.blendFuncSeparateiOES(e,r.ZERO,r.ONE_MINUS_SRC_COLOR,r.ZERO,r.ONE);break;case $t:s.blendFuncSeparateiOES(e,r.DST_COLOR,r.ONE_MINUS_SRC_ALPHA,r.ZERO,r.ONE);break;default:s.blendFuncSeparateiOES(e,r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}else switch(i){case ke:s.blendFuncSeparateiOES(e,r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA);break;case Ht:s.blendFuncSeparateiOES(e,r.SRC_ALPHA,r.ONE,r.ONE,r.ONE);break;case Wt:s.blendFuncSeparateiOES(e,r.ZERO,r.ONE_MINUS_SRC_COLOR,r.ZERO,r.ONE);break;case $t:s.blendFuncSeparateiOES(e,r.DST_COLOR,r.ONE_MINUS_SRC_ALPHA,r.ZERO,r.ONE);break;default:s.blendFuncSeparateiOES(e,r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}}setBlending(e,t,r,s,i,n,a,u){const{gl:l}=this;if(e!==ee){if(!1===this.currentBlendingEnabled&&(this.enable(l.BLEND),this.currentBlendingEnabled=!0),e===ct)i=i||t,n=n||r,a=a||s,t===this.currentBlendEquation&&i===this.currentBlendEquationAlpha||(l.blendEquationSeparate(yR[t],yR[i]),this.currentBlendEquation=t,this.currentBlendEquationAlpha=i),r===this.currentBlendSrc&&s===this.currentBlendDst&&n===this.currentBlendSrcAlpha&&a===this.currentBlendDstAlpha||(l.blendFuncSeparate(bR[r],bR[s],bR[n],bR[a]),this.currentBlendSrc=r,this.currentBlendDst=s,this.currentBlendSrcAlpha=n,this.currentBlendDstAlpha=a),this.currentBlending=e,this.currentPremultipledAlpha=!1;else if(e!==this.currentBlending||u!==this.currentPremultipledAlpha){if(this.currentBlendEquation===$e&&this.currentBlendEquationAlpha===$e||(l.blendEquation(l.FUNC_ADD),this.currentBlendEquation=$e,this.currentBlendEquationAlpha=$e),u)switch(e){case ke:l.blendFuncSeparate(l.ONE,l.ONE_MINUS_SRC_ALPHA,l.ONE,l.ONE_MINUS_SRC_ALPHA);break;case Ht:l.blendFunc(l.ONE,l.ONE);break;case Wt:l.blendFuncSeparate(l.ZERO,l.ONE_MINUS_SRC_COLOR,l.ZERO,l.ONE);break;case $t:l.blendFuncSeparate(l.DST_COLOR,l.ONE_MINUS_SRC_ALPHA,l.ZERO,l.ONE);break;default:o("WebGLState: Invalid blending: ",e)}else switch(e){case ke:l.blendFuncSeparate(l.SRC_ALPHA,l.ONE_MINUS_SRC_ALPHA,l.ONE,l.ONE_MINUS_SRC_ALPHA);break;case Ht:l.blendFuncSeparate(l.SRC_ALPHA,l.ONE,l.ONE,l.ONE);break;case Wt:o("WebGLState: SubtractiveBlending requires material.premultipliedAlpha = true");break;case $t:o("WebGLState: MultiplyBlending requires material.premultipliedAlpha = true");break;default:o("WebGLState: Invalid blending: ",e)}this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentBlending=e,this.currentPremultipledAlpha=u}}else!0===this.currentBlendingEnabled&&(this.disable(l.BLEND),this.currentBlendingEnabled=!1)}setColorMask(e){this.currentColorMask!==e&&(this.gl.colorMask(e,e,e,e),this.currentColorMask=e)}setDepthTest(e){const{gl:t}=this;e?this.enable(t.DEPTH_TEST):this.disable(t.DEPTH_TEST)}setReversedDepth(e){if(this.currentDepthReversed!==e){const t=this.backend.extensions.get("EXT_clip_control");e?t.clipControlEXT(t.LOWER_LEFT_EXT,t.ZERO_TO_ONE_EXT):t.clipControlEXT(t.LOWER_LEFT_EXT,t.NEGATIVE_ONE_TO_ONE_EXT),this.currentDepthReversed=e}}setDepthMask(e){this.currentDepthMask!==e&&(this.gl.depthMask(e),this.currentDepthMask=e)}setDepthFunc(e){if(this.currentDepthReversed&&(e=er[e]),this.currentDepthFunc!==e){const{gl:t}=this;switch(e){case Jt:t.depthFunc(t.NEVER);break;case Zt:t.depthFunc(t.ALWAYS);break;case Qt:t.depthFunc(t.LESS);break;case Yt:t.depthFunc(t.LEQUAL);break;case Kt:t.depthFunc(t.EQUAL);break;case Xt:t.depthFunc(t.GEQUAL);break;case jt:t.depthFunc(t.GREATER);break;case qt:t.depthFunc(t.NOTEQUAL);break;default:t.depthFunc(t.LEQUAL)}this.currentDepthFunc=e}}scissor(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentScissor.equals(i)){const{gl:e}=this;e.scissor(i.x,i.y,i.z,i.w),this.currentScissor.copy(i)}}viewport(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentViewport.equals(i)){const{gl:e}=this;e.viewport(i.x,i.y,i.z,i.w),this.currentViewport.copy(i)}}setScissorTest(e){const t=this.gl;e?this.enable(t.SCISSOR_TEST):this.disable(t.SCISSOR_TEST)}setStencilTest(e){const{gl:t}=this;e?this.enable(t.STENCIL_TEST):this.disable(t.STENCIL_TEST)}setStencilMask(e){this.currentStencilMask!==e&&(this.gl.stencilMask(e),this.currentStencilMask=e)}setStencilFunc(e,t,r){this.currentStencilFunc===e&&this.currentStencilRef===t&&this.currentStencilFuncMask===r||(this.gl.stencilFunc(e,t,r),this.currentStencilFunc=e,this.currentStencilRef=t,this.currentStencilFuncMask=r)}setStencilOp(e,t,r){this.currentStencilFail===e&&this.currentStencilZFail===t&&this.currentStencilZPass===r||(this.gl.stencilOp(e,t,r),this.currentStencilFail=e,this.currentStencilZFail=t,this.currentStencilZPass=r)}setMaterial(e,t,r){const{gl:s}=this;e.side===B?this.disable(s.CULL_FACE):this.enable(s.CULL_FACE);let i=e.side===M;t&&(i=!i),this.setFlipSided(i),e.blending===ke&&!1===e.transparent?this.setBlending(ee):this.setBlending(e.blending,e.blendEquation,e.blendSrc,e.blendDst,e.blendEquationAlpha,e.blendSrcAlpha,e.blendDstAlpha,e.premultipliedAlpha),this.setDepthFunc(e.depthFunc),this.setDepthTest(e.depthTest),this.setDepthMask(e.depthWrite),this.setColorMask(e.colorWrite);const n=e.stencilWrite;if(this.setStencilTest(n),n&&(this.setStencilMask(e.stencilWriteMask),this.setStencilFunc(e.stencilFunc,e.stencilRef,e.stencilFuncMask),this.setStencilOp(e.stencilFail,e.stencilZFail,e.stencilZPass)),this.setPolygonOffset(e.polygonOffset,e.polygonOffsetFactor,e.polygonOffsetUnits),!0===e.alphaToCoverage&&this.backend.renderer.currentSamples>0?this.enable(s.SAMPLE_ALPHA_TO_COVERAGE):this.disable(s.SAMPLE_ALPHA_TO_COVERAGE),r>0&&this.currentClippingPlanes!==r){const e=12288;for(let t=0;t<8;t++)t<r?this.enable(e+t):this.disable(e+t)}}setPolygonOffset(e,t,r){const{gl:s}=this;e?(this.enable(s.POLYGON_OFFSET_FILL),this.currentPolygonOffsetFactor===t&&this.currentPolygonOffsetUnits===r||(s.polygonOffset(t,r),this.currentPolygonOffsetFactor=t,this.currentPolygonOffsetUnits=r)):this.disable(s.POLYGON_OFFSET_FILL)}useProgram(e){return this.currentProgram!==e&&(this.gl.useProgram(e),this.currentProgram=e,!0)}setVertexState(e,t=null){const r=this.gl;return(this.currentVAO!==e||this.currentIndex!==t)&&(r.bindVertexArray(e),null!==t&&r.bindBuffer(r.ELEMENT_ARRAY_BUFFER,t),this.currentVAO=e,this.currentIndex=t,!0)}resetVertexState(){const e=this.gl;e.bindVertexArray(null),e.bindBuffer(e.ELEMENT_ARRAY_BUFFER,null),this.currentVAO=null,this.currentIndex=null}bindFramebuffer(e,t){const{gl:r,currentBoundFramebuffers:s}=this;return s[e]!==t&&(r.bindFramebuffer(e,t),s[e]=t,e===r.DRAW_FRAMEBUFFER&&(s[r.FRAMEBUFFER]=t),e===r.FRAMEBUFFER&&(s[r.DRAW_FRAMEBUFFER]=t),!0)}drawBuffers(e,t){const{gl:r}=this;let s=[],i=!1;if(null!==e.textures){s=this.currentDrawbuffers.get(t),void 0===s&&(s=[],this.currentDrawbuffers.set(t,s));const n=e.textures;if(s.length!==n.length||s[0]!==r.COLOR_ATTACHMENT0){for(let e=0,t=n.length;e<t;e++)s[e]=r.COLOR_ATTACHMENT0+e;s.length=n.length,i=!0}}else s[0]!==r.BACK&&(s[0]=r.BACK,i=!0);i&&r.drawBuffers(s)}activeTexture(e){const{gl:t,currentTextureSlot:r,maxTextures:s}=this;void 0===e&&(e=t.TEXTURE0+s-1),r!==e&&(t.activeTexture(e),this.currentTextureSlot=e)}bindTexture(e,t,r){const{gl:s,currentTextureSlot:i,currentBoundTextures:n,maxTextures:a}=this;void 0===r&&(r=null===i?s.TEXTURE0+a-1:i);let o=n[r];void 0===o&&(o={type:void 0,texture:void 0},n[r]=o),o.type===e&&o.texture===t||(i!==r&&(s.activeTexture(r),this.currentTextureSlot=r),s.bindTexture(e,t),o.type=e,o.texture=t)}bindBufferBase(e,t,r){const{gl:s}=this,i=`${e}-${t}`;return this.currentBoundBufferBases[i]!==r&&(s.bindBufferBase(e,t,r),this.currentBoundBufferBases[i]=r,!0)}unbindTexture(){const{gl:e,currentTextureSlot:t,currentBoundTextures:r}=this,s=r[t];void 0!==s&&void 0!==s.type&&(e.bindTexture(s.type,null),s.type=void 0,s.texture=void 0)}}class NR{constructor(e){this.backend=e,this.gl=this.backend.gl,this.extensions=e.extensions}convert(e,t=T){const{gl:r,extensions:s}=this;let i;const n=p.getTransfer(t);if(e===Ve)return r.UNSIGNED_BYTE;if(e===tr)return r.UNSIGNED_SHORT_4_4_4_4;if(e===rr)return r.UNSIGNED_SHORT_5_5_5_1;if(e===sr)return r.UNSIGNED_INT_5_9_9_9_REV;if(e===ir)return r.UNSIGNED_INT_10F_11F_11F_REV;if(e===vt)return r.BYTE;if(e===_t)return r.SHORT;if(e===Nt)return r.UNSIGNED_SHORT;if(e===R)return r.INT;if(e===S)return r.UNSIGNED_INT;if(e===j)return r.FLOAT;if(e===be)return r.HALF_FLOAT;if(e===nr)return r.ALPHA;if(e===Et)return r.RGB;if(e===Se)return r.RGBA;if(e===Ie)return r.DEPTH_COMPONENT;if(e===Ue)return r.DEPTH_STENCIL;if(e===Tt)return r.RED;if(e===xt)return r.RED_INTEGER;if(e===G)return r.RG;if(e===St)return r.RG_INTEGER;if(e===At)return r.RGBA_INTEGER;if(e===ar||e===or||e===ur||e===lr)if(n===g){if(i=s.get("WEBGL_compressed_texture_s3tc_srgb"),null===i)return null;if(e===ar)return i.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(e===or)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(e===ur)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(e===lr)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(i=s.get("WEBGL_compressed_texture_s3tc"),null===i)return null;if(e===ar)return i.COMPRESSED_RGB_S3TC_DXT1_EXT;if(e===or)return i.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(e===ur)return i.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(e===lr)return i.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(e===dr||e===cr||e===hr||e===pr){if(i=s.get("WEBGL_compressed_texture_pvrtc"),null===i)return null;if(e===dr)return i.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(e===cr)return i.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(e===hr)return i.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(e===pr)return i.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(e===gr||e===mr||e===fr||e===yr||e===br||e===$||e===xr){if(i=s.get("WEBGL_compressed_texture_etc"),null===i)return null;if(e===gr||e===mr)return n===g?i.COMPRESSED_SRGB8_ETC2:i.COMPRESSED_RGB8_ETC2;if(e===fr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:i.COMPRESSED_RGBA8_ETC2_EAC;if(e===yr)return i.COMPRESSED_R11_EAC;if(e===br)return i.COMPRESSED_SIGNED_R11_EAC;if(e===$)return i.COMPRESSED_RG11_EAC;if(e===xr)return i.COMPRESSED_SIGNED_RG11_EAC}if(e===Tr||e===_r||e===vr||e===Nr||e===Sr||e===Rr||e===Er||e===Ar||e===wr||e===Cr||e===Mr||e===Br||e===Fr||e===Lr){if(i=s.get("WEBGL_compressed_texture_astc"),null===i)return null;if(e===Tr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:i.COMPRESSED_RGBA_ASTC_4x4_KHR;if(e===_r)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:i.COMPRESSED_RGBA_ASTC_5x4_KHR;if(e===vr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:i.COMPRESSED_RGBA_ASTC_5x5_KHR;if(e===Nr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:i.COMPRESSED_RGBA_ASTC_6x5_KHR;if(e===Sr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:i.COMPRESSED_RGBA_ASTC_6x6_KHR;if(e===Rr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:i.COMPRESSED_RGBA_ASTC_8x5_KHR;if(e===Er)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:i.COMPRESSED_RGBA_ASTC_8x6_KHR;if(e===Ar)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:i.COMPRESSED_RGBA_ASTC_8x8_KHR;if(e===wr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:i.COMPRESSED_RGBA_ASTC_10x5_KHR;if(e===Cr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:i.COMPRESSED_RGBA_ASTC_10x6_KHR;if(e===Mr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:i.COMPRESSED_RGBA_ASTC_10x8_KHR;if(e===Br)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:i.COMPRESSED_RGBA_ASTC_10x10_KHR;if(e===Fr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:i.COMPRESSED_RGBA_ASTC_12x10_KHR;if(e===Lr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:i.COMPRESSED_RGBA_ASTC_12x12_KHR}if(e===Pr){if(i=s.get("EXT_texture_compression_bptc"),null===i)return null;if(e===Pr)return n===g?i.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:i.COMPRESSED_RGBA_BPTC_UNORM_EXT}if(e===Dr||e===Ur||e===z||e===Ir){if(i=s.get("EXT_texture_compression_rgtc"),null===i)return null;if(e===Dr)return i.COMPRESSED_RED_RGTC1_EXT;if(e===Ur)return i.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(e===z)return i.COMPRESSED_RED_GREEN_RGTC2_EXT;if(e===Ir)return i.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}return e===Oe?r.UNSIGNED_INT_24_8:void 0!==r[e]?r[e]:null}_clientWaitAsync(){const{gl:e}=this,t=e.fenceSync(e.SYNC_GPU_COMMANDS_COMPLETE,0);return e.flush(),new Promise((r,s)=>{!function i(){const n=e.clientWaitSync(t,e.SYNC_FLUSH_COMMANDS_BIT,0);if(n===e.WAIT_FAILED)return e.deleteSync(t),void s();n!==e.TIMEOUT_EXPIRED?(e.deleteSync(t),r()):requestAnimationFrame(i)}()})}}let SR,RR,ER,AR=!1;class wR{constructor(e){this.backend=e,this.gl=e.gl,this.extensions=e.extensions,this.defaultTextures={},this._srcFramebuffer=null,this._dstFramebuffer=null,!1===AR&&(this._init(),AR=!0)}_init(){const e=this.gl;SR={[Vr]:e.REPEAT,[xe]:e.CLAMP_TO_EDGE,[Or]:e.MIRRORED_REPEAT},RR={[w]:e.NEAREST,[kr]:e.NEAREST_MIPMAP_NEAREST,[nt]:e.NEAREST_MIPMAP_LINEAR,[oe]:e.LINEAR,[it]:e.LINEAR_MIPMAP_NEAREST,[K]:e.LINEAR_MIPMAP_LINEAR},ER={[Hr]:e.NEVER,[Wr]:e.ALWAYS,[A]:e.LESS,[Ze]:e.LEQUAL,[$r]:e.EQUAL,[Qe]:e.GEQUAL,[zr]:e.GREATER,[Gr]:e.NOTEQUAL}}getGLTextureType(e){const{gl:t}=this;let r;return r=!0===e.isCubeTexture?t.TEXTURE_CUBE_MAP:!0===e.isArrayTexture||!0===e.isDataArrayTexture||!0===e.isCompressedArrayTexture?t.TEXTURE_2D_ARRAY:!0===e.isData3DTexture?t.TEXTURE_3D:t.TEXTURE_2D,r}getInternalFormat(e,t,r,s,i=!1){const{gl:n,extensions:a}=this;if(null!==e){if(void 0!==n[e])return n[e];d("WebGLBackend: Attempt to use non-existing WebGL internal format '"+e+"'")}let o=t;if(t===n.RED&&(r===n.FLOAT&&(o=n.R32F),r===n.HALF_FLOAT&&(o=n.R16F),r===n.UNSIGNED_BYTE&&(o=n.R8),r===n.UNSIGNED_SHORT&&(o=n.R16),r===n.UNSIGNED_INT&&(o=n.R32UI),r===n.BYTE&&(o=n.R8I),r===n.SHORT&&(o=n.R16I),r===n.INT&&(o=n.R32I)),t===n.RED_INTEGER&&(r===n.UNSIGNED_BYTE&&(o=n.R8UI),r===n.UNSIGNED_SHORT&&(o=n.R16UI),r===n.UNSIGNED_INT&&(o=n.R32UI),r===n.BYTE&&(o=n.R8I),r===n.SHORT&&(o=n.R16I),r===n.INT&&(o=n.R32I)),t===n.RG&&(r===n.FLOAT&&(o=n.RG32F),r===n.HALF_FLOAT&&(o=n.RG16F),r===n.UNSIGNED_BYTE&&(o=n.RG8),r===n.UNSIGNED_SHORT&&(o=n.RG16),r===n.UNSIGNED_INT&&(o=n.RG32UI),r===n.BYTE&&(o=n.RG8I),r===n.SHORT&&(o=n.RG16I),r===n.INT&&(o=n.RG32I)),t===n.RG_INTEGER&&(r===n.UNSIGNED_BYTE&&(o=n.RG8UI),r===n.UNSIGNED_SHORT&&(o=n.RG16UI),r===n.UNSIGNED_INT&&(o=n.RG32UI),r===n.BYTE&&(o=n.RG8I),r===n.SHORT&&(o=n.RG16I),r===n.INT&&(o=n.RG32I)),t===n.RGB){const e=i?qr:p.getTransfer(s);r===n.FLOAT&&(o=n.RGB32F),r===n.HALF_FLOAT&&(o=n.RGB16F),r===n.UNSIGNED_BYTE&&(o=n.RGB8),r===n.UNSIGNED_SHORT&&(o=n.RGB16),r===n.UNSIGNED_INT&&(o=n.RGB32UI),r===n.BYTE&&(o=n.RGB8I),r===n.SHORT&&(o=n.RGB16I),r===n.INT&&(o=n.RGB32I),r===n.UNSIGNED_BYTE&&(o=e===g?n.SRGB8:n.RGB8),r===n.UNSIGNED_SHORT_5_6_5&&(o=n.RGB565),r===n.UNSIGNED_SHORT_5_5_5_1&&(o=n.RGB5_A1),r===n.UNSIGNED_SHORT_4_4_4_4&&(o=n.RGB4),r===n.UNSIGNED_INT_5_9_9_9_REV&&(o=n.RGB9_E5),r===n.UNSIGNED_INT_10F_11F_11F_REV&&(o=n.R11F_G11F_B10F)}if(t===n.RGB_INTEGER&&(r===n.UNSIGNED_BYTE&&(o=n.RGB8UI),r===n.UNSIGNED_SHORT&&(o=n.RGB16UI),r===n.UNSIGNED_INT&&(o=n.RGB32UI),r===n.BYTE&&(o=n.RGB8I),r===n.SHORT&&(o=n.RGB16I),r===n.INT&&(o=n.RGB32I)),t===n.RGBA){const e=i?qr:p.getTransfer(s);r===n.FLOAT&&(o=n.RGBA32F),r===n.HALF_FLOAT&&(o=n.RGBA16F),r===n.UNSIGNED_BYTE&&(o=n.RGBA8),r===n.UNSIGNED_SHORT&&(o=n.RGBA16),r===n.UNSIGNED_INT&&(o=n.RGBA32UI),r===n.BYTE&&(o=n.RGBA8I),r===n.SHORT&&(o=n.RGBA16I),r===n.INT&&(o=n.RGBA32I),r===n.UNSIGNED_BYTE&&(o=e===g?n.SRGB8_ALPHA8:n.RGBA8),r===n.UNSIGNED_SHORT_4_4_4_4&&(o=n.RGBA4),r===n.UNSIGNED_SHORT_5_5_5_1&&(o=n.RGB5_A1)}return t===n.RGBA_INTEGER&&(r===n.UNSIGNED_BYTE&&(o=n.RGBA8UI),r===n.UNSIGNED_SHORT&&(o=n.RGBA16UI),r===n.UNSIGNED_INT&&(o=n.RGBA32UI),r===n.BYTE&&(o=n.RGBA8I),r===n.SHORT&&(o=n.RGBA16I),r===n.INT&&(o=n.RGBA32I)),t===n.DEPTH_COMPONENT&&(r===n.UNSIGNED_SHORT&&(o=n.DEPTH_COMPONENT16),r===n.UNSIGNED_INT&&(o=n.DEPTH_COMPONENT24),r===n.FLOAT&&(o=n.DEPTH_COMPONENT32F)),t===n.DEPTH_STENCIL&&r===n.UNSIGNED_INT_24_8&&(o=n.DEPTH24_STENCIL8),o!==n.R16F&&o!==n.R32F&&o!==n.RG16F&&o!==n.RG32F&&o!==n.RGBA16F&&o!==n.RGBA32F||a.get("EXT_color_buffer_float"),o}setTextureParameters(e,t){const{gl:r,extensions:s,backend:i}=this,n=p.getPrimaries(p.workingColorSpace),a=t.colorSpace===T?null:p.getPrimaries(t.colorSpace),o=t.colorSpace===T||n===a?r.NONE:r.BROWSER_DEFAULT_WEBGL;r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,t.flipY),r.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),r.pixelStorei(r.UNPACK_ALIGNMENT,t.unpackAlignment),r.pixelStorei(r.UNPACK_COLORSPACE_CONVERSION_WEBGL,o),r.texParameteri(e,r.TEXTURE_WRAP_S,SR[t.wrapS]),r.texParameteri(e,r.TEXTURE_WRAP_T,SR[t.wrapT]),e!==r.TEXTURE_3D&&e!==r.TEXTURE_2D_ARRAY||t.isArrayTexture||r.texParameteri(e,r.TEXTURE_WRAP_R,SR[t.wrapR]),r.texParameteri(e,r.TEXTURE_MAG_FILTER,RR[t.magFilter]);const u=void 0!==t.mipmaps&&t.mipmaps.length>0,l=t.minFilter===oe&&u?K:t.minFilter;if(r.texParameteri(e,r.TEXTURE_MIN_FILTER,RR[l]),t.compareFunction&&(r.texParameteri(e,r.TEXTURE_COMPARE_MODE,r.COMPARE_REF_TO_TEXTURE),r.texParameteri(e,r.TEXTURE_COMPARE_FUNC,ER[t.compareFunction])),!0===s.has("EXT_texture_filter_anisotropic")){if(t.magFilter===w)return;if(t.minFilter!==nt&&t.minFilter!==K)return;if(t.type===j&&!1===s.has("OES_texture_float_linear"))return;if(t.anisotropy>1){const n=s.get("EXT_texture_filter_anisotropic");r.texParameterf(e,n.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(t.anisotropy,i.getMaxAnisotropy()))}}}createDefaultTexture(e){const{gl:t,backend:r,defaultTextures:s}=this,i=this.getGLTextureType(e);let n=s[i];void 0===n&&(n=t.createTexture(),r.state.bindTexture(i,n),t.texParameteri(i,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(i,t.TEXTURE_MAG_FILTER,t.NEAREST),s[i]=n),r.set(e,{textureGPU:n,glTextureType:i})}createTexture(e,t){const{gl:r,backend:s}=this,{levels:i,width:n,height:a,depth:o}=t,u=s.utils.convert(e.format,e.colorSpace),l=s.utils.convert(e.type),d=this.getInternalFormat(e.internalFormat,u,l,e.colorSpace,e.isVideoTexture),c=r.createTexture(),h=this.getGLTextureType(e);s.state.bindTexture(h,c),this.setTextureParameters(h,e),e.isArrayTexture||e.isDataArrayTexture||e.isCompressedArrayTexture?r.texStorage3D(r.TEXTURE_2D_ARRAY,i,d,n,a,o):e.isData3DTexture?r.texStorage3D(r.TEXTURE_3D,i,d,n,a,o):e.isVideoTexture||r.texStorage2D(h,i,d,n,a),s.set(e,{textureGPU:c,glTextureType:h,glFormat:u,glType:l,glInternalFormat:d})}copyBufferToTexture(e,t){const{gl:r,backend:s}=this,{textureGPU:i,glTextureType:n,glFormat:a,glType:o}=s.get(t),{width:u,height:l}=t.source.data;r.bindBuffer(r.PIXEL_UNPACK_BUFFER,e),s.state.bindTexture(n,i),r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,!1),r.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1),r.texSubImage2D(n,0,0,0,u,l,a,o,0),r.bindBuffer(r.PIXEL_UNPACK_BUFFER,null),s.state.unbindTexture()}updateTexture(e,t){const{gl:r}=this,{width:s,height:i}=t,{textureGPU:n,glTextureType:a,glFormat:o,glType:u,glInternalFormat:l}=this.backend.get(e);if(!e.isRenderTargetTexture&&void 0!==n)if(this.backend.state.bindTexture(a,n),this.setTextureParameters(a,e),e.isCompressedTexture){const s=e.mipmaps,i=t.image;for(let t=0;t<s.length;t++){const n=s[t];e.isCompressedArrayTexture?e.format!==r.RGBA?null!==o?r.compressedTexSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,o,n.data):d("WebGLBackend: Attempt to load unsupported compressed texture format in .uploadTexture()"):r.texSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,o,u,n.data):null!==o?r.compressedTexSubImage2D(r.TEXTURE_2D,t,0,0,n.width,n.height,o,n.data):d("WebGLBackend: Unsupported compressed texture format")}}else if(e.isCubeTexture){const n=t.images,a=e.mipmaps;for(let e=0;e<6;e++){const t=CR(n[e]);r.texSubImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,0,0,s,i,o,u,t);for(let t=0;t<a.length;t++){const s=CR(a[t].images[e]);r.texSubImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+e,t+1,0,0,s.width,s.height,o,u,s)}}}else if(e.isDataArrayTexture||e.isArrayTexture){const s=t.image;if(e.layerUpdates.size>0){const t=jr(s.width,s.height,e.format,e.type);for(const i of e.layerUpdates){const e=s.data.subarray(i*t/s.data.BYTES_PER_ELEMENT,(i+1)*t/s.data.BYTES_PER_ELEMENT);r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,i,s.width,s.height,1,o,u,e)}e.clearLayerUpdates()}else r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,0,s.width,s.height,s.depth,o,u,s.data)}else if(e.isData3DTexture){const e=t.image;r.texSubImage3D(r.TEXTURE_3D,0,0,0,0,e.width,e.height,e.depth,o,u,e.data)}else if(e.isVideoTexture)e.update(),r.texImage2D(a,0,l,o,u,t.image);else{const n=e.mipmaps;if(n.length>0)for(let e=0,t=n.length;e<t;e++){const t=n[e],s=CR(t);r.texSubImage2D(a,e,0,0,t.width,t.height,o,u,s)}else{const e=CR(t.image);r.texSubImage2D(a,0,0,0,s,i,o,u,e)}}}generateMipmaps(e){const{gl:t,backend:r}=this,{textureGPU:s,glTextureType:i}=r.get(e);r.state.bindTexture(i,s),t.generateMipmap(i)}deallocateRenderBuffers(e){const{gl:t,backend:r}=this;if(e){const s=r.get(e);if(s.renderBufferStorageSetup=void 0,s.framebuffers){for(const e in s.framebuffers)t.deleteFramebuffer(s.framebuffers[e]);delete s.framebuffers}if(s.depthRenderbuffer&&(t.deleteRenderbuffer(s.depthRenderbuffer),delete s.depthRenderbuffer),s.stencilRenderbuffer&&(t.deleteRenderbuffer(s.stencilRenderbuffer),delete s.stencilRenderbuffer),s.msaaFrameBuffer&&(t.deleteFramebuffer(s.msaaFrameBuffer),delete s.msaaFrameBuffer),s.msaaRenderbuffers){for(let e=0;e<s.msaaRenderbuffers.length;e++)t.deleteRenderbuffer(s.msaaRenderbuffers[e]);delete s.msaaRenderbuffers}}}destroyTexture(e,t=!1){const{gl:r,backend:s}=this,{textureGPU:i,renderTarget:n}=s.get(e);this.deallocateRenderBuffers(n),!1===t&&r.deleteTexture(i),s.delete(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){const{gl:a,backend:o}=this,{state:u}=this.backend,{textureGPU:l,glTextureType:d,glType:c,glFormat:h}=o.get(t);let p,g,m,f,y,b,x,T,_;u.bindTexture(d,l);const v=e.isCompressedTexture?e.mipmaps[n]:e.image;if(null!==r)p=r.max.x-r.min.x,g=r.max.y-r.min.y,m=r.isBox3?r.max.z-r.min.z:1,f=r.min.x,y=r.min.y,b=r.isBox3?r.min.z:0;else{const t=Math.pow(2,-i);p=Math.floor(v.width*t),g=Math.floor(v.height*t),m=e.isDataArrayTexture||e.isArrayTexture?v.depth:e.isData3DTexture?Math.floor(v.depth*t):1,f=0,y=0,b=0}null!==s?(x=s.x,T=s.y,_=s.z):(x=0,T=0,_=0),a.pixelStorei(a.UNPACK_FLIP_Y_WEBGL,t.flipY),a.pixelStorei(a.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),a.pixelStorei(a.UNPACK_ALIGNMENT,t.unpackAlignment);const N=a.getParameter(a.UNPACK_ROW_LENGTH),S=a.getParameter(a.UNPACK_IMAGE_HEIGHT),R=a.getParameter(a.UNPACK_SKIP_PIXELS),E=a.getParameter(a.UNPACK_SKIP_ROWS),A=a.getParameter(a.UNPACK_SKIP_IMAGES);a.pixelStorei(a.UNPACK_ROW_LENGTH,v.width),a.pixelStorei(a.UNPACK_IMAGE_HEIGHT,v.height),a.pixelStorei(a.UNPACK_SKIP_PIXELS,f),a.pixelStorei(a.UNPACK_SKIP_ROWS,y),a.pixelStorei(a.UNPACK_SKIP_IMAGES,b);const w=e.isDataArrayTexture||e.isData3DTexture||t.isArrayTexture,C=t.isDataArrayTexture||t.isData3DTexture||t.isArrayTexture;if(e.isDepthTexture){const r=o.get(e),s=o.get(t),d=o.get(r.renderTarget),c=o.get(s.renderTarget),h=d.framebuffers[r.cacheKey],v=c.framebuffers[s.cacheKey];u.bindFramebuffer(a.READ_FRAMEBUFFER,h),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,v);for(let e=0;e<m;e++)w&&(a.framebufferTextureLayer(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,r.textureGPU,i,b+e),a.framebufferTextureLayer(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,l,n,_+e)),a.blitFramebuffer(f,y,p,g,x,T,p,g,a.DEPTH_BUFFER_BIT,a.NEAREST);u.bindFramebuffer(a.READ_FRAMEBUFFER,null),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,null)}else if(0!==i||e.isRenderTargetTexture||o.has(e)){const t=o.get(e);null===this._srcFramebuffer&&(this._srcFramebuffer=a.createFramebuffer()),null===this._dstFramebuffer&&(this._dstFramebuffer=a.createFramebuffer()),u.bindFramebuffer(a.READ_FRAMEBUFFER,this._srcFramebuffer),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,this._dstFramebuffer);for(let e=0;e<m;e++)w?a.framebufferTextureLayer(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,t.textureGPU,i,b+e):a.framebufferTexture2D(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,a.TEXTURE_2D,t.textureGPU,i),C?a.framebufferTextureLayer(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,l,n,_+e):a.framebufferTexture2D(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,a.TEXTURE_2D,l,n),0!==i?a.blitFramebuffer(f,y,p,g,x,T,p,g,a.COLOR_BUFFER_BIT,a.NEAREST):C?a.copyTexSubImage3D(d,n,x,T,_+e,f,y,p,g):a.copyTexSubImage2D(d,n,x,T,f,y,p,g);u.bindFramebuffer(a.READ_FRAMEBUFFER,null),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,null)}else C?e.isDataTexture||e.isData3DTexture?a.texSubImage3D(d,n,x,T,_,p,g,m,h,c,v.data):t.isCompressedArrayTexture?a.compressedTexSubImage3D(d,n,x,T,_,p,g,m,h,v.data):a.texSubImage3D(d,n,x,T,_,p,g,m,h,c,v):e.isDataTexture?a.texSubImage2D(a.TEXTURE_2D,n,x,T,p,g,h,c,v.data):e.isCompressedTexture?a.compressedTexSubImage2D(a.TEXTURE_2D,n,x,T,v.width,v.height,h,v.data):a.texSubImage2D(a.TEXTURE_2D,n,x,T,p,g,h,c,v);a.pixelStorei(a.UNPACK_ROW_LENGTH,N),a.pixelStorei(a.UNPACK_IMAGE_HEIGHT,S),a.pixelStorei(a.UNPACK_SKIP_PIXELS,R),a.pixelStorei(a.UNPACK_SKIP_ROWS,E),a.pixelStorei(a.UNPACK_SKIP_IMAGES,A),0===n&&t.generateMipmaps&&a.generateMipmap(d),u.unbindTexture()}copyFramebufferToTexture(e,t,r){const{gl:s}=this,{state:i}=this.backend,{textureGPU:n}=this.backend.get(e),{x:a,y:o,z:u,w:l}=r,d=!0===e.isDepthTexture||t.renderTarget&&t.renderTarget.samples>0,c=t.renderTarget?t.renderTarget.height:this.backend.getDrawingBufferSize().y;if(d){const r=0!==a||0!==o;let d,h;if(!0===e.isDepthTexture?(d=s.DEPTH_BUFFER_BIT,h=s.DEPTH_ATTACHMENT,t.stencil&&(d|=s.STENCIL_BUFFER_BIT)):(d=s.COLOR_BUFFER_BIT,h=s.COLOR_ATTACHMENT0),r){const e=this.backend.get(t.renderTarget),r=e.framebuffers[t.getCacheKey()],h=e.msaaFrameBuffer;i.bindFramebuffer(s.DRAW_FRAMEBUFFER,r),i.bindFramebuffer(s.READ_FRAMEBUFFER,h);const p=c-o-l;s.blitFramebuffer(a,p,a+u,p+l,a,p,a+u,p+l,d,s.NEAREST),i.bindFramebuffer(s.READ_FRAMEBUFFER,r),i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,a,p,u,l),i.unbindTexture()}else{const e=s.createFramebuffer();i.bindFramebuffer(s.DRAW_FRAMEBUFFER,e),s.framebufferTexture2D(s.DRAW_FRAMEBUFFER,h,s.TEXTURE_2D,n,0),s.blitFramebuffer(0,0,u,l,0,0,u,l,d,s.NEAREST),s.deleteFramebuffer(e)}}else i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,a,c-l-o,u,l),i.unbindTexture();e.generateMipmaps&&this.generateMipmaps(e),this.backend._setFramebuffer(t)}setupRenderBufferStorage(e,t,r,s=!1){const{gl:i}=this,n=t.renderTarget,{depthTexture:a,depthBuffer:o,stencilBuffer:u,width:l,height:d}=n;if(i.bindRenderbuffer(i.RENDERBUFFER,e),o&&!u){let t=i.DEPTH_COMPONENT24;if(!0===s){this.extensions.get("WEBGL_multisampled_render_to_texture").renderbufferStorageMultisampleEXT(i.RENDERBUFFER,n.samples,t,l,d)}else r>0?(a&&a.isDepthTexture&&a.type===i.FLOAT&&(t=i.DEPTH_COMPONENT32F),i.renderbufferStorageMultisample(i.RENDERBUFFER,r,t,l,d)):i.renderbufferStorage(i.RENDERBUFFER,t,l,d);i.framebufferRenderbuffer(i.FRAMEBUFFER,i.DEPTH_ATTACHMENT,i.RENDERBUFFER,e)}else o&&u&&(r>0?i.renderbufferStorageMultisample(i.RENDERBUFFER,r,i.DEPTH24_STENCIL8,l,d):i.renderbufferStorage(i.RENDERBUFFER,i.DEPTH_STENCIL,l,d),i.framebufferRenderbuffer(i.FRAMEBUFFER,i.DEPTH_STENCIL_ATTACHMENT,i.RENDERBUFFER,e));i.bindRenderbuffer(i.RENDERBUFFER,null)}async copyTextureToBuffer(e,t,r,s,i,n){const{backend:a,gl:o}=this,{textureGPU:u,glFormat:l,glType:d}=this.backend.get(e),c=o.createFramebuffer();a.state.bindFramebuffer(o.READ_FRAMEBUFFER,c);const h=e.isCubeTexture?o.TEXTURE_CUBE_MAP_POSITIVE_X+n:o.TEXTURE_2D;o.framebufferTexture2D(o.READ_FRAMEBUFFER,o.COLOR_ATTACHMENT0,h,u,0);const p=this._getTypedArrayType(d),g=s*i*this._getBytesPerTexel(d,l),m=o.createBuffer();o.bindBuffer(o.PIXEL_PACK_BUFFER,m),o.bufferData(o.PIXEL_PACK_BUFFER,g,o.STREAM_READ),o.readPixels(t,r,s,i,l,d,0),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),await a.utils._clientWaitAsync();const f=new p(g/p.BYTES_PER_ELEMENT);return o.bindBuffer(o.PIXEL_PACK_BUFFER,m),o.getBufferSubData(o.PIXEL_PACK_BUFFER,0,f),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),a.state.bindFramebuffer(o.READ_FRAMEBUFFER,null),o.deleteFramebuffer(c),f}_getTypedArrayType(e){const{gl:t}=this;if(e===t.UNSIGNED_BYTE)return Uint8Array;if(e===t.UNSIGNED_SHORT_4_4_4_4)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_5_5_1)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_6_5)return Uint16Array;if(e===t.UNSIGNED_SHORT)return Uint16Array;if(e===t.UNSIGNED_INT)return Uint32Array;if(e===t.HALF_FLOAT)return Uint16Array;if(e===t.FLOAT)return Float32Array;throw new Error(`Unsupported WebGL type: ${e}`)}_getBytesPerTexel(e,t){const{gl:r}=this;let s=0;return e===r.UNSIGNED_BYTE&&(s=1),e!==r.UNSIGNED_SHORT_4_4_4_4&&e!==r.UNSIGNED_SHORT_5_5_5_1&&e!==r.UNSIGNED_SHORT_5_6_5&&e!==r.UNSIGNED_SHORT&&e!==r.HALF_FLOAT||(s=2),e!==r.UNSIGNED_INT&&e!==r.FLOAT||(s=4),t===r.RGBA?4*s:t===r.RGB?3*s:t===r.ALPHA?s:void 0}dispose(){const{gl:e}=this;null!==this._srcFramebuffer&&e.deleteFramebuffer(this._srcFramebuffer),null!==this._dstFramebuffer&&e.deleteFramebuffer(this._dstFramebuffer)}}function CR(e){return e.isDataTexture?e.image.data:"undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap||"undefined"!=typeof OffscreenCanvas&&e instanceof OffscreenCanvas?e:e.data}class MR{constructor(e){this.backend=e,this.gl=this.backend.gl,this.availableExtensions=this.gl.getSupportedExtensions(),this.extensions={}}get(e){let t=this.extensions[e];return void 0===t&&(t=this.gl.getExtension(e),this.extensions[e]=t),t}has(e){return this.availableExtensions.includes(e)}}class BR{constructor(e){this.backend=e,this.maxAnisotropy=null}getMaxAnisotropy(){if(null!==this.maxAnisotropy)return this.maxAnisotropy;const e=this.backend.gl,t=this.backend.extensions;if(!0===t.has("EXT_texture_filter_anisotropic")){const r=t.get("EXT_texture_filter_anisotropic");this.maxAnisotropy=e.getParameter(r.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else this.maxAnisotropy=0;return this.maxAnisotropy}}const FR={WEBGL_multi_draw:"WEBGL_multi_draw",WEBGL_compressed_texture_astc:"texture-compression-astc",WEBGL_compressed_texture_etc:"texture-compression-etc2",WEBGL_compressed_texture_etc1:"texture-compression-etc1",WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBGL_compressed_texture_s3tc:"texture-compression-s3tc",EXT_texture_compression_bptc:"texture-compression-bc",EXT_disjoint_timer_query_webgl2:"timestamp-query",OVR_multiview2:"OVR_multiview2"};class LR{constructor(e){this.gl=e.gl,this.extensions=e.extensions,this.info=e.renderer.info,this.mode=null,this.index=0,this.type=null,this.object=null}render(e,t){const{gl:r,mode:s,object:i,type:n,info:a,index:o}=this;0!==o?r.drawElements(s,t,n,e):r.drawArrays(s,e,t),a.update(i,t,1)}renderInstances(e,t,r){const{gl:s,mode:i,type:n,index:a,object:o,info:u}=this;0!==r&&(0!==a?s.drawElementsInstanced(i,t,n,e,r):s.drawArraysInstanced(i,e,t,r),u.update(o,t,r))}renderMultiDraw(e,t,r){const{extensions:s,mode:i,object:n,info:a}=this;if(0===r)return;const o=s.get("WEBGL_multi_draw");if(null===o)for(let s=0;s<r;s++)this.render(e[s],t[s]);else{0!==this.index?o.multiDrawElementsWEBGL(i,t,0,this.type,e,0,r):o.multiDrawArraysWEBGL(i,e,0,t,0,r);let s=0;for(let e=0;e<r;e++)s+=t[e];a.update(n,s,1)}}renderMultiDrawInstances(e,t,r,s){const{extensions:i,mode:n,object:a,info:o}=this;if(0===r)return;const u=i.get("WEBGL_multi_draw");if(null===u)for(let i=0;i<r;i++)this.renderInstances(e[i],t[i],s[i]);else{0!==this.index?u.multiDrawElementsInstancedWEBGL(n,t,0,this.type,e,0,s,0,r):u.multiDrawArraysInstancedWEBGL(n,e,0,t,0,s,0,r);let i=0;for(let e=0;e<r;e++)i+=t[e]*s[e];o.update(a,i,1)}}}class PR{constructor(e=256){this.trackTimestamp=!0,this.maxQueries=e,this.currentQueryIndex=0,this.queryOffsets=new Map,this.isDisposed=!1,this.lastValue=0,this.frames=[],this.pendingResolve=!1,this.timestamps=new Map}getTimestampFrames(){return this.frames}getTimestamp(e){let t=this.timestamps.get(e);return void 0===t&&(d(`TimestampQueryPool: No timestamp available for uid ${e}.`),t=0),t}hasTimestamp(e){return this.timestamps.has(e)}allocateQueriesForContext(){}async resolveQueriesAsync(){}dispose(){}}class DR extends PR{constructor(e,t,r=2048){if(super(r),this.gl=e,this.type=t,this.ext=e.getExtension("EXT_disjoint_timer_query_webgl2")||e.getExtension("EXT_disjoint_timer_query"),!this.ext)return d("EXT_disjoint_timer_query not supported; timestamps will be disabled."),void(this.trackTimestamp=!1);this.queries=[];for(let t=0;t<this.maxQueries;t++)this.queries.push(e.createQuery());this.activeQuery=null,this.queryStates=new Map}allocateQueriesForContext(e){if(!this.trackTimestamp)return null;if(this.currentQueryIndex+2>this.maxQueries)return v(`WebGPUTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryStates.set(t,"inactive"),this.queryOffsets.set(e,t),t}beginQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e);if(null==t)return;if(null!==this.activeQuery)return;const r=this.queries[t];if(r)try{"inactive"===this.queryStates.get(t)&&(this.gl.beginQuery(this.ext.TIME_ELAPSED_EXT,r),this.activeQuery=t,this.queryStates.set(t,"started"))}catch(e){o("Error in beginQuery:",e),this.activeQuery=null,this.queryStates.set(t,"inactive")}}endQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e);if(null!=t&&this.activeQuery===t)try{this.gl.endQuery(this.ext.TIME_ELAPSED_EXT),this.queryStates.set(t,"ended"),this.activeQuery=null}catch(e){o("Error in endQuery:",e),this.queryStates.set(t,"inactive"),this.activeQuery=null}}async resolveQueriesAsync(){if(!this.trackTimestamp||this.pendingResolve)return this.lastValue;this.pendingResolve=!0;try{const e=new Map;for(const[t,r]of this.queryOffsets){if("ended"===this.queryStates.get(r)){const s=this.queries[r];e.set(t,this.resolveQuery(s))}}if(0===e.size)return this.lastValue;const t={},r=[];for(const[s,i]of e){const e=s.match(/^(.*):f(\d+)$/),n=parseInt(e[2]);!1===r.includes(n)&&r.push(n),void 0===t[n]&&(t[n]=0);const a=await i;this.timestamps.set(s,a),t[n]+=a}const s=t[r[r.length-1]];return this.lastValue=s,this.frames=r,this.currentQueryIndex=0,this.queryOffsets.clear(),this.queryStates.clear(),this.activeQuery=null,s}catch(e){return o("Error resolving queries:",e),this.lastValue}finally{this.pendingResolve=!1}}async resolveQuery(e){return new Promise(t=>{if(this.isDisposed)return void t(this.lastValue);let r,s=!1;const i=e=>{s||(s=!0,r&&(clearTimeout(r),r=null),t(e))},n=()=>{if(this.isDisposed)i(this.lastValue);else try{if(this.gl.getParameter(this.ext.GPU_DISJOINT_EXT))return void i(this.lastValue);if(!this.gl.getQueryParameter(e,this.gl.QUERY_RESULT_AVAILABLE))return void(r=setTimeout(n,1));const s=this.gl.getQueryParameter(e,this.gl.QUERY_RESULT);t(Number(s)/1e6)}catch(e){o("Error checking query:",e),t(this.lastValue)}};n()})}dispose(){if(!this.isDisposed&&(this.isDisposed=!0,this.trackTimestamp)){for(const e of this.queries)this.gl.deleteQuery(e);this.queries=[],this.queryStates.clear(),this.queryOffsets.clear(),this.lastValue=0,this.activeQuery=null}}}class UR extends fR{constructor(e={}){super(e),this.isWebGLBackend=!0,this.attributeUtils=null,this.extensions=null,this.capabilities=null,this.textureUtils=null,this.bufferRenderer=null,this.gl=null,this.state=null,this.utils=null,this.vaoCache={},this.transformFeedbackCache={},this.discard=!1,this.disjoint=null,this.parallel=null,this._currentContext=null,this._knownBindings=new WeakSet,this._supportsInvalidateFramebuffer="undefined"!=typeof navigator&&/OculusBrowser/g.test(navigator.userAgent),this._xrFramebuffer=null}init(e){super.init(e);const t=this.parameters,r={antialias:e.currentSamples>0,alpha:!0,depth:e.depth,stencil:e.stencil},s=void 0!==t.context?t.context:e.domElement.getContext("webgl2",r);function i(t){t.preventDefault();const r={api:"WebGL",message:t.statusMessage||"Unknown reason",reason:null,originalEvent:t};e.onDeviceLost(r)}this._onContextLost=i,e.domElement.addEventListener("webglcontextlost",i,!1),this.gl=s,this.extensions=new MR(this),this.capabilities=new BR(this),this.attributeUtils=new _R(this),this.textureUtils=new wR(this),this.bufferRenderer=new LR(this),this.state=new vR(this),this.utils=new NR(this),this.extensions.get("EXT_color_buffer_float"),this.extensions.get("WEBGL_clip_cull_distance"),this.extensions.get("OES_texture_float_linear"),this.extensions.get("EXT_color_buffer_half_float"),this.extensions.get("WEBGL_multisampled_render_to_texture"),this.extensions.get("WEBGL_render_shared_exponent"),this.extensions.get("WEBGL_multi_draw"),this.extensions.get("OVR_multiview2"),this.extensions.get("EXT_clip_control"),this.disjoint=this.extensions.get("EXT_disjoint_timer_query_webgl2"),this.parallel=this.extensions.get("KHR_parallel_shader_compile"),this.drawBuffersIndexedExt=this.extensions.get("OES_draw_buffers_indexed"),!0===t.reversedDepthBuffer&&this.extensions.has("EXT_clip_control")&&this.state.setReversedDepth(!0)}get coordinateSystem(){return c}async getArrayBufferAsync(e){return await this.attributeUtils.getArrayBufferAsync(e)}async makeXRCompatible(){!0!==this.gl.getContextAttributes().xrCompatible&&await this.gl.makeXRCompatible()}setXRTarget(e){this._xrFramebuffer=e}setXRRenderTargetTextures(e,t,r=null){const s=this.gl;if(this.set(e.texture,{textureGPU:t,glInternalFormat:s.RGBA8}),null!==r){const t=e.stencilBuffer?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24;this.set(e.depthTexture,{textureGPU:r,glInternalFormat:t}),!0===this.extensions.has("WEBGL_multisampled_render_to_texture")&&!0===e._autoAllocateDepthBuffer&&!1===e.multiview&&d("WebGLBackend: Render-to-texture extension was disabled because an external texture was provided"),e._autoAllocateDepthBuffer=!1}}initTimestampQuery(e,t){if(!this.disjoint||!this.trackTimestamp)return;this.timestampQueryPool[e]||(this.timestampQueryPool[e]=new DR(this.gl,e,2048));const r=this.timestampQueryPool[e];null!==r.allocateQueriesForContext(t)&&r.beginQuery(t)}prepareTimestampBuffer(e,t){if(!this.disjoint||!this.trackTimestamp)return;this.timestampQueryPool[e].endQuery(t)}getContext(){return this.gl}beginRender(e){const{state:t}=this,r=this.get(e);if(e.viewport)this.updateViewport(e);else{const{width:e,height:r}=this.getDrawingBufferSize();t.viewport(0,0,e,r)}if(e.scissor)this.updateScissor(e);else{const{width:e,height:r}=this.getDrawingBufferSize();t.scissor(0,0,e,r)}this.initTimestampQuery(wt.RENDER,this.getTimestampUID(e)),r.previousContext=this._currentContext,this._currentContext=e,this._setFramebuffer(e),this.clear(e.clearColor,e.clearDepth,e.clearStencil,e,!1);const s=e.occlusionQueryCount;s>0&&(r.currentOcclusionQueries=r.occlusionQueries,r.currentOcclusionQueryObjects=r.occlusionQueryObjects,r.lastOcclusionObject=null,r.occlusionQueries=new Array(s),r.occlusionQueryObjects=new Array(s),r.occlusionQueryIndex=0)}finishRender(e){const{gl:t,state:r}=this,s=this.get(e),i=s.previousContext;r.resetVertexState();const n=e.occlusionQueryCount;n>0&&(n>s.occlusionQueryIndex&&t.endQuery(t.ANY_SAMPLES_PASSED),this.resolveOccludedAsync(e));const a=e.textures;if(null!==a)for(let e=0;e<a.length;e++){const t=a[e];t.generateMipmaps&&this.generateMipmaps(t)}if(this._currentContext=i,this._resolveRenderTarget(e),null!==i){if(this._setFramebuffer(i),i.viewport)this.updateViewport(i);else{const{width:e,height:t}=this.getDrawingBufferSize();r.viewport(0,0,e,t)}if(i.scissor)this.updateScissor(i);else{const{width:e,height:t}=this.getDrawingBufferSize();r.scissor(0,0,e,t)}}this.prepareTimestampBuffer(wt.RENDER,this.getTimestampUID(e))}resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueries:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet,{gl:i}=this;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueries=null;const n=()=>{let a=0;for(let t=0;t<r.length;t++){const n=r[t];null!==n&&(i.getQueryParameter(n,i.QUERY_RESULT_AVAILABLE)&&(0===i.getQueryParameter(n,i.QUERY_RESULT)&&e.add(s[t]),r[t]=null,i.deleteQuery(n),a++))}a<r.length?requestAnimationFrame(n):t.occluded=e};n()}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}updateViewport(e){const{state:t}=this,{x:r,y:s,width:i,height:n}=e.viewportValue;t.viewport(r,e.height-n-s,i,n)}updateScissor(e){const{state:t}=this,{x:r,y:s,width:i,height:n}=e.scissorValue;t.scissor(r,e.height-n-s,i,n)}setScissorTest(e){this.state.setScissorTest(e)}getClearColor(){const e=super.getClearColor();return e.r*=e.a,e.g*=e.a,e.b*=e.a,e}clear(e,t,r,s=null,i=!0,n=!0){const{gl:a,renderer:o}=this;if(null===s){s={textures:null,clearColorValue:this.getClearColor()}}let u=0;if(e&&(u|=a.COLOR_BUFFER_BIT),t&&(u|=a.DEPTH_BUFFER_BIT),r&&(u|=a.STENCIL_BUFFER_BIT),0!==u){let l;l=s.clearColorValue?s.clearColorValue:this.getClearColor();const d=o.getClearDepth(),c=o.getClearStencil();if(t&&this.state.setDepthMask(!0),null===s.textures)a.clearColor(l.r,l.g,l.b,l.a),a.clear(u);else{if(i&&this._setFramebuffer(s),e)for(let e=0;e<s.textures.length;e++)0===e?a.clearBufferfv(a.COLOR,e,[l.r,l.g,l.b,l.a]):a.clearBufferfv(a.COLOR,e,[0,0,0,1]);t&&r?a.clearBufferfi(a.DEPTH_STENCIL,0,d,c):t?a.clearBufferfv(a.DEPTH,0,[d]):r&&a.clearBufferiv(a.STENCIL,0,[c]),i&&n&&this._resolveRenderTarget(s)}}}beginCompute(e){const{state:t,gl:r}=this;t.bindFramebuffer(r.FRAMEBUFFER,null),this.initTimestampQuery(wt.COMPUTE,this.getTimestampUID(e))}compute(e,t,r,s,i=null){const{state:n,gl:a}=this;!1===this.discard&&(n.enable(a.RASTERIZER_DISCARD),this.discard=!0);const{programGPU:o,transformBuffers:u,attributes:l}=this.get(s),d=this._getVaoKey(l),c=this.vaoCache[d];void 0===c?this.vaoCache[d]=this._createVao(l):n.setVertexState(c),n.useProgram(o),this._bindUniforms(r);const h=this._getTransformFeedback(u);a.bindTransformFeedback(a.TRANSFORM_FEEDBACK,h),a.beginTransformFeedback(a.POINTS),i=null!==i?i:t.count,Array.isArray(i)?(v("WebGLBackend.compute(): The count parameter must be a single number, not an array."),i=i[0]):i&&"object"==typeof i&&i.isIndirectStorageBufferAttribute&&(v("WebGLBackend.compute(): The count parameter must be a single number, not IndirectStorageBufferAttribute"),i=t.count),l[0].isStorageInstancedBufferAttribute?a.drawArraysInstanced(a.POINTS,0,1,i):a.drawArrays(a.POINTS,0,i),a.endTransformFeedback(),a.bindTransformFeedback(a.TRANSFORM_FEEDBACK,null);for(let e=0;e<u.length;e++){const t=u[e];t.pbo&&this.has(t.pbo)&&this.textureUtils.copyBufferToTexture(t.transformBuffer,t.pbo),t.switchBuffers()}}finishCompute(e){const{state:t,gl:r}=this;this.discard=!1,t.disable(r.RASTERIZER_DISCARD),this.prepareTimestampBuffer(wt.COMPUTE,this.getTimestampUID(e)),this._currentContext&&this._setFramebuffer(this._currentContext)}_isRenderCameraDepthArray(e){return e.depthTexture&&e.depthTexture.isArrayTexture&&e.camera.isArrayCamera}draw(e){const{object:t,pipeline:r,material:s,context:i,hardwareClippingPlanes:n}=e,{programGPU:a}=this.get(r),{gl:o,state:u}=this,l=this.get(i),d=e.getDrawParameters();if(null===d)return;this._bindUniforms(e.getBindings());const c=t.isMesh&&t.matrixWorld.determinant()<0;u.setMaterial(s,c,n),null!==i.mrt&&null!==i.textures&&u.setMRTBlending(i.textures,i.mrt,s),u.useProgram(a);const h=e.getAttributes(),p=this.get(h);let g=p.vaoGPU;if(void 0===g){const e=this._getVaoKey(h);g=this.vaoCache[e],void 0===g&&(g=this._createVao(h),this.vaoCache[e]=g,p.vaoGPU=g)}const m=e.getIndex(),f=null!==m?this.get(m).bufferGPU:null;u.setVertexState(g,f);const y=l.lastOcclusionObject;if(y!==t&&void 0!==y){if(null!==y&&!0===y.occlusionTest&&(o.endQuery(o.ANY_SAMPLES_PASSED),l.occlusionQueryIndex++),!0===t.occlusionTest){const e=o.createQuery();o.beginQuery(o.ANY_SAMPLES_PASSED,e),l.occlusionQueries[l.occlusionQueryIndex]=e,l.occlusionQueryObjects[l.occlusionQueryIndex]=t}l.lastOcclusionObject=t}const b=this.bufferRenderer;t.isPoints?b.mode=o.POINTS:t.isLineSegments?b.mode=o.LINES:t.isLine?b.mode=o.LINE_STRIP:t.isLineLoop?b.mode=o.LINE_LOOP:!0===s.wireframe?(u.setLineWidth(s.wireframeLinewidth*this.renderer.getPixelRatio()),b.mode=o.LINES):b.mode=o.TRIANGLES;const{vertexCount:x,instanceCount:T}=d;let{firstVertex:_}=d;if(b.object=t,null!==m){_*=m.array.BYTES_PER_ELEMENT;const e=this.get(m);b.index=m.count,b.type=e.type}else b.index=0;const N=()=>{t.isBatchedMesh?null!==t._multiDrawInstances?(v("WebGLBackend: renderMultiDrawInstances has been deprecated and will be removed in r184. Append to renderMultiDraw arguments and use indirection."),b.renderMultiDrawInstances(t._multiDrawStarts,t._multiDrawCounts,t._multiDrawCount,t._multiDrawInstances)):this.hasFeature("WEBGL_multi_draw")?b.renderMultiDraw(t._multiDrawStarts,t._multiDrawCounts,t._multiDrawCount):v("WebGLBackend: WEBGL_multi_draw not supported."):T>1?b.renderInstances(_,x,T):b.render(_,x)};if(!0===e.camera.isArrayCamera&&e.camera.cameras.length>0&&!1===e.camera.isMultiViewCamera){const r=this.get(e.camera),s=e.camera.cameras,i=e.getBindingGroup("cameraIndex").bindings[0];if(void 0===r.indexesGPU||r.indexesGPU.length!==s.length){const e=new Uint32Array([0,0,0,0]),t=[];for(let r=0,i=s.length;r<i;r++){const s=o.createBuffer();e[0]=r,o.bindBuffer(o.UNIFORM_BUFFER,s),o.bufferData(o.UNIFORM_BUFFER,e,o.STATIC_DRAW),t.push(s)}r.indexesGPU=t}const n=this.get(i),a=this.renderer.getPixelRatio(),l=this._currentContext.renderTarget,d=this._isRenderCameraDepthArray(this._currentContext),c=this._currentContext.activeCubeFace;if(d){const e=this.get(l.depthTexture);if(e.clearedRenderId!==this.renderer._nodes.nodeFrame.renderId){e.clearedRenderId=this.renderer._nodes.nodeFrame.renderId;const{stencilBuffer:t}=l;for(let e=0,r=s.length;e<r;e++)this.renderer._activeCubeFace=e,this._currentContext.activeCubeFace=e,this._setFramebuffer(this._currentContext),this.clear(!1,!0,t,this._currentContext,!1,!1);this.renderer._activeCubeFace=c,this._currentContext.activeCubeFace=c}}for(let i=0,l=s.length;i<l;i++){const l=s[i];if(t.layers.test(l.layers)){d&&(this.renderer._activeCubeFace=i,this._currentContext.activeCubeFace=i,this._setFramebuffer(this._currentContext));const t=l.viewport;if(void 0!==t){const r=t.x*a,s=t.y*a,i=t.width*a,n=t.height*a;u.viewport(Math.floor(r),Math.floor(e.context.height-n-s),Math.floor(i),Math.floor(n))}u.bindBufferBase(o.UNIFORM_BUFFER,n.index,r.indexesGPU[i]),N()}this._currentContext.activeCubeFace=c,this.renderer._activeCubeFace=c}}else N()}needsRenderUpdate(){return!1}getRenderCacheKey(){return""}createDefaultTexture(e){this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e,t=!1){this.textureUtils.destroyTexture(e,t)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}updateSampler(){return""}createNodeBuilder(e,t){return new pR(e,t)}createProgram(e){const t=this.gl,{stage:r,code:s}=e,i="fragment"===r?t.createShader(t.FRAGMENT_SHADER):t.createShader(t.VERTEX_SHADER);t.shaderSource(i,s),t.compileShader(i),this.set(e,{shaderGPU:i})}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){const r=this.gl,s=e.pipeline,{fragmentProgram:i,vertexProgram:n}=s,a=r.createProgram(),o=this.get(i).shaderGPU,u=this.get(n).shaderGPU;if(r.attachShader(a,o),r.attachShader(a,u),r.linkProgram(a),this.set(s,{programGPU:a,fragmentShader:o,vertexShader:u}),null!==t&&this.parallel){const i=new Promise(t=>{const i=this.parallel,n=()=>{r.getProgramParameter(a,i.COMPLETION_STATUS_KHR)?(this._completeCompile(e,s),t()):requestAnimationFrame(n)};n()});return void t.push(i)}this._completeCompile(e,s)}_handleSource(e,t){const r=e.split("\n"),s=[],i=Math.max(t-6,0),n=Math.min(t+6,r.length);for(let e=i;e<n;e++){const i=e+1;s.push(`${i===t?">":" "} ${i}: ${r[e]}`)}return s.join("\n")}_getShaderErrors(e,t,r){const s=e.getShaderParameter(t,e.COMPILE_STATUS),i=(e.getShaderInfoLog(t)||"").trim();if(s&&""===i)return"";const n=/ERROR: 0:(\d+)/.exec(i);if(n){const s=parseInt(n[1]);return r.toUpperCase()+"\n\n"+i+"\n\n"+this._handleSource(e.getShaderSource(t),s)}return i}_logProgramError(e,t,r){if(this.renderer.debug.checkShaderErrors){const s=this.gl,i=(s.getProgramInfoLog(e)||"").trim();if(!1===s.getProgramParameter(e,s.LINK_STATUS))if("function"==typeof this.renderer.debug.onShaderError)this.renderer.debug.onShaderError(s,e,r,t);else{const n=this._getShaderErrors(s,r,"vertex"),a=this._getShaderErrors(s,t,"fragment");o("THREE.WebGLProgram: Shader Error "+s.getError()+" - VALIDATE_STATUS "+s.getProgramParameter(e,s.VALIDATE_STATUS)+"\n\nProgram Info Log: "+i+"\n"+n+"\n"+a)}else""!==i&&d("WebGLProgram: Program Info Log:",i)}}_completeCompile(e,t){const{state:r,gl:s}=this,i=this.get(t),{programGPU:n,fragmentShader:a,vertexShader:o}=i;!1===s.getProgramParameter(n,s.LINK_STATUS)&&this._logProgramError(n,a,o),r.useProgram(n);const u=e.getBindings();this._setupBindings(u,n),this.set(t,{programGPU:n})}createComputePipeline(e,t){const{state:r,gl:s}=this,i={stage:"fragment",code:"#version 300 es\nprecision highp float;\nvoid main() {}"};this.createProgram(i);const{computeProgram:n}=e,a=s.createProgram(),o=this.get(i).shaderGPU,u=this.get(n).shaderGPU,l=n.transforms,d=[],c=[];for(let e=0;e<l.length;e++){const t=l[e];d.push(t.varyingName),c.push(t.attributeNode)}s.attachShader(a,o),s.attachShader(a,u),s.transformFeedbackVaryings(a,d,s.SEPARATE_ATTRIBS),s.linkProgram(a),!1===s.getProgramParameter(a,s.LINK_STATUS)&&this._logProgramError(a,o,u),r.useProgram(a),this._setupBindings(t,a);const h=n.attributes,p=[],g=[];for(let e=0;e<h.length;e++){const t=h[e].node.attribute;p.push(t),this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER)}for(let e=0;e<c.length;e++){const t=c[e].attribute;this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER);const r=this.get(t);g.push(r)}this.set(e,{programGPU:a,transformBuffers:g,attributes:p})}createBindings(e,t){if(!1===this._knownBindings.has(t)){this._knownBindings.add(t);let e=0,r=0;for(const s of t){this.set(s,{textures:r,uniformBuffers:e});for(const t of s.bindings)t.isUniformBuffer&&e++,t.isSampledTexture&&r++}}this.updateBindings(e,t)}updateBindings(e){const{gl:t}=this,r=this.get(e);let s=r.uniformBuffers,i=r.textures;for(const r of e.bindings){const e=this.get(r);if(r.isUniformsGroup||r.isUniformBuffer){const i=r.buffer;let{bufferGPU:n}=this.get(i);void 0===n?(n=t.createBuffer(),t.bindBuffer(t.UNIFORM_BUFFER,n),t.bufferData(t.UNIFORM_BUFFER,i.byteLength,t.DYNAMIC_DRAW),this.set(i,{bufferGPU:n})):t.bindBuffer(t.UNIFORM_BUFFER,n);const a=r.updateRanges;if(t.bindBuffer(t.UNIFORM_BUFFER,n),0===a.length)t.bufferData(t.UNIFORM_BUFFER,i,t.DYNAMIC_DRAW);else{const e=Xr(i),r=e?1:i.BYTES_PER_ELEMENT;for(let s=0,n=a.length;s<n;s++){const n=a[s],o=n.start*r,u=n.count*r,l=o*(e?i.BYTES_PER_ELEMENT:1);t.bufferSubData(t.UNIFORM_BUFFER,l,i,o,u)}}e.index=s++,e.bufferGPU=n,this.set(r,e)}else if(r.isSampledTexture){const{textureGPU:t,glTextureType:s}=this.get(r.texture);e.index=i++,e.textureGPU=t,e.glTextureType=s,this.set(r,e)}}}updateBinding(e){const t=this.gl;if(e.isUniformsGroup||e.isUniformBuffer){const r=this.get(e).bufferGPU,s=e.buffer,i=e.updateRanges;if(t.bindBuffer(t.UNIFORM_BUFFER,r),0===i.length)t.bufferData(t.UNIFORM_BUFFER,s,t.DYNAMIC_DRAW);else{const e=Xr(s),r=e?1:s.BYTES_PER_ELEMENT;for(let n=0,a=i.length;n<a;n++){const a=i[n],o=a.start*r,u=a.count*r,l=o*(e?s.BYTES_PER_ELEMENT:1);t.bufferSubData(t.UNIFORM_BUFFER,l,s,o,u)}}}}createIndexAttribute(e){const t=this.gl;this.attributeUtils.createAttribute(e,t.ELEMENT_ARRAY_BUFFER)}createAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}createStorageAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}hasFeature(e){const t=Object.keys(FR).filter(t=>FR[t]===e),r=this.extensions;for(let e=0;e<t.length;e++)if(r.has(t[e]))return!0;return!1}getMaxAnisotropy(){return this.capabilities.getMaxAnisotropy()}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){this.textureUtils.copyTextureToTexture(e,t,r,s,i,n)}copyFramebufferToTexture(e,t,r){this.textureUtils.copyFramebufferToTexture(e,t,r)}hasCompatibility(e){return e===E.TEXTURE_COMPARE||super.hasCompatibility(e)}initRenderTarget(e){const{gl:t,state:r}=this;this._setFramebuffer(e),r.bindFramebuffer(t.FRAMEBUFFER,null)}_setFramebuffer(e){const{gl:t,state:r}=this;let s=null;if(null!==e.textures){const i=e.renderTarget,n=this.get(i),{samples:a,depthBuffer:o,stencilBuffer:u}=i,l=!0===i.isCubeRenderTarget,d=!0===i.isRenderTarget3D,c=i.depth>1,h=!0===i.isXRRenderTarget,p=!0===h&&!0===i._hasExternalTextures;let g=n.msaaFrameBuffer,m=n.depthRenderbuffer;const f=this.extensions.get("WEBGL_multisampled_render_to_texture"),y=this.extensions.get("OVR_multiview2"),b=this._useMultisampledExtension(i),x=qy(e);let T;if(l?(n.cubeFramebuffers||(n.cubeFramebuffers={}),T=n.cubeFramebuffers[x]):h&&!1===p?T=this._xrFramebuffer:(n.framebuffers||(n.framebuffers={}),T=n.framebuffers[x]),void 0===T){T=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,T);const s=e.textures,o=[];if(l){n.cubeFramebuffers[x]=T;const{textureGPU:e}=this.get(s[0]),r=this.renderer._activeCubeFace,i=this.renderer._activeMipmapLevel;t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_CUBE_MAP_POSITIVE_X+r,e,i)}else{n.framebuffers[x]=T;for(let r=0;r<s.length;r++){const n=s[r],o=this.get(n);o.renderTarget=e.renderTarget,o.cacheKey=x;const u=t.COLOR_ATTACHMENT0+r;if(i.multiview)y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,u,o.textureGPU,0,a,0,2);else if(d||c){const e=this.renderer._activeCubeFace,r=this.renderer._activeMipmapLevel;t.framebufferTextureLayer(t.FRAMEBUFFER,u,o.textureGPU,r,e)}else if(b)f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,u,t.TEXTURE_2D,o.textureGPU,0,a);else{const e=this.renderer._activeMipmapLevel;t.framebufferTexture2D(t.FRAMEBUFFER,u,t.TEXTURE_2D,o.textureGPU,e)}}}const h=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;if(!0===i._autoAllocateDepthBuffer){const r=t.createRenderbuffer();this.textureUtils.setupRenderBufferStorage(r,e,0,b),n.xrDepthRenderbuffer=r,o.push(u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT),t.bindRenderbuffer(t.RENDERBUFFER,r),t.framebufferRenderbuffer(t.FRAMEBUFFER,h,t.RENDERBUFFER,r)}else if(null!==e.depthTexture){o.push(u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT);const r=this.get(e.depthTexture);if(r.renderTarget=e.renderTarget,r.cacheKey=x,i.multiview)y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,h,r.textureGPU,0,a,0,2);else if(p&&b)f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,h,t.TEXTURE_2D,r.textureGPU,0,a);else if(e.depthTexture.isArrayTexture){const e=this.renderer._activeCubeFace;t.framebufferTextureLayer(t.FRAMEBUFFER,h,r.textureGPU,0,e)}else if(e.depthTexture.isCubeTexture){const e=this.renderer._activeCubeFace;t.framebufferTexture2D(t.FRAMEBUFFER,h,t.TEXTURE_CUBE_MAP_POSITIVE_X+e,r.textureGPU,0)}else t.framebufferTexture2D(t.FRAMEBUFFER,h,t.TEXTURE_2D,r.textureGPU,0)}n.depthInvalidationArray=o}else{if(this._isRenderCameraDepthArray(e)){r.bindFramebuffer(t.FRAMEBUFFER,T);const s=this.renderer._activeCubeFace,i=this.get(e.depthTexture),n=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;t.framebufferTextureLayer(t.FRAMEBUFFER,n,i.textureGPU,0,s)}if((h||b||i.multiview)&&!0!==i._isOpaqueFramebuffer){r.bindFramebuffer(t.FRAMEBUFFER,T);const s=this.get(e.textures[0]);i.multiview?y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,s.textureGPU,0,a,0,2):b?f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,s.textureGPU,0,a):t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,s.textureGPU,0);const o=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;if(!0===i._autoAllocateDepthBuffer){const e=n.xrDepthRenderbuffer;t.bindRenderbuffer(t.RENDERBUFFER,e),t.framebufferRenderbuffer(t.FRAMEBUFFER,o,t.RENDERBUFFER,e)}else{const r=this.get(e.depthTexture);i.multiview?y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,o,r.textureGPU,0,a,0,2):b?f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,o,t.TEXTURE_2D,r.textureGPU,0,a):t.framebufferTexture2D(t.FRAMEBUFFER,o,t.TEXTURE_2D,r.textureGPU,0)}}}if(a>0&&!1===b&&!i.multiview){if(void 0===g){const s=[];g=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,g);const i=[],l=e.textures;for(let r=0;r<l.length;r++){i[r]=t.createRenderbuffer(),t.bindRenderbuffer(t.RENDERBUFFER,i[r]),s.push(t.COLOR_ATTACHMENT0+r);const n=e.textures[r],o=this.get(n);t.renderbufferStorageMultisample(t.RENDERBUFFER,a,o.glInternalFormat,e.width,e.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+r,t.RENDERBUFFER,i[r])}if(t.bindRenderbuffer(t.RENDERBUFFER,null),n.msaaFrameBuffer=g,n.msaaRenderbuffers=i,o&&void 0===m){m=t.createRenderbuffer(),this.textureUtils.setupRenderBufferStorage(m,e,a),n.depthRenderbuffer=m;const r=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;s.push(r)}n.invalidationArray=s}s=n.msaaFrameBuffer}else s=T;r.drawBuffers(e,T)}r.bindFramebuffer(t.FRAMEBUFFER,s)}_getVaoKey(e){let t="";for(let r=0;r<e.length;r++){t+=":"+this.get(e[r]).id}return t}_createVao(e){const{gl:t}=this,r=t.createVertexArray();t.bindVertexArray(r);for(let r=0;r<e.length;r++){const s=e[r],i=this.get(s);let n,a;t.bindBuffer(t.ARRAY_BUFFER,i.bufferGPU),t.enableVertexAttribArray(r),!0===s.isInterleavedBufferAttribute?(n=s.data.stride*i.bytesPerElement,a=s.offset*i.bytesPerElement):(n=0,a=0),i.isInteger?t.vertexAttribIPointer(r,s.itemSize,i.type,n,a):t.vertexAttribPointer(r,s.itemSize,i.type,s.normalized,n,a),s.isInstancedBufferAttribute&&!s.isInterleavedBufferAttribute?t.vertexAttribDivisor(r,s.meshPerAttribute):s.isInterleavedBufferAttribute&&s.data.isInstancedInterleavedBuffer&&t.vertexAttribDivisor(r,s.data.meshPerAttribute)}return t.bindBuffer(t.ARRAY_BUFFER,null),r}_getTransformFeedback(e){let t="";for(let r=0;r<e.length;r++)t+=":"+e[r].id;let r=this.transformFeedbackCache[t];if(void 0!==r)return r;const{gl:s}=this;r=s.createTransformFeedback(),s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,r);for(let t=0;t<e.length;t++){const r=e[t];s.bindBufferBase(s.TRANSFORM_FEEDBACK_BUFFER,t,r.transformBuffer)}return s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,null),this.transformFeedbackCache[t]=r,r}_setupBindings(e,t){const r=this.gl;for(const s of e)for(const e of s.bindings){const s=this.get(e).index;if(e.isUniformsGroup||e.isUniformBuffer){const i=r.getUniformBlockIndex(t,e.name);r.uniformBlockBinding(t,i,s)}else if(e.isSampledTexture){const i=r.getUniformLocation(t,e.name);r.uniform1i(i,s)}}}_bindUniforms(e){const{gl:t,state:r}=this;for(const s of e)for(const e of s.bindings){const s=this.get(e),i=s.index;e.isUniformsGroup||e.isUniformBuffer?r.bindBufferBase(t.UNIFORM_BUFFER,i,s.bufferGPU):e.isSampledTexture&&r.bindTexture(s.glTextureType,s.textureGPU,t.TEXTURE0+i)}}_resolveRenderTarget(e){const{gl:t,state:r}=this,s=e.renderTarget;if(null!==e.textures&&s){const i=this.get(s);if(s.samples>0&&!1===this._useMultisampledExtension(s)){const n=i.framebuffers[e.getCacheKey()];let a=t.COLOR_BUFFER_BIT;s.resolveDepthBuffer&&(s.depthBuffer&&(a|=t.DEPTH_BUFFER_BIT),s.stencilBuffer&&s.resolveStencilBuffer&&(a|=t.STENCIL_BUFFER_BIT));const o=i.msaaFrameBuffer,u=i.msaaRenderbuffers,l=e.textures,d=l.length>1;if(r.bindFramebuffer(t.READ_FRAMEBUFFER,o),r.bindFramebuffer(t.DRAW_FRAMEBUFFER,n),d)for(let e=0;e<l.length;e++)t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,null),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,null,0);for(let r=0;r<l.length;r++){if(d){const{textureGPU:e}=this.get(l[r]);t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.RENDERBUFFER,u[r]),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,e,0)}if(e.scissor){const{x:r,y:s,width:i,height:n}=e.scissorValue,o=e.height-n-s;t.blitFramebuffer(r,o,r+i,o+n,r,o,r+i,o+n,a,t.NEAREST)}else t.blitFramebuffer(0,0,e.width,e.height,0,0,e.width,e.height,a,t.NEAREST)}if(d)for(let e=0;e<l.length;e++){const{textureGPU:r}=this.get(l[e]);t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,u[e]),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,r,0)}!0===this._supportsInvalidateFramebuffer&&t.invalidateFramebuffer(t.READ_FRAMEBUFFER,i.invalidationArray)}else if(!1===s.resolveDepthBuffer&&i.framebuffers){const s=i.framebuffers[e.getCacheKey()];r.bindFramebuffer(t.DRAW_FRAMEBUFFER,s),t.invalidateFramebuffer(t.DRAW_FRAMEBUFFER,i.depthInvalidationArray)}}}_useMultisampledExtension(e){return!0===e.multiview||e.samples>0&&!0===this.extensions.has("WEBGL_multisampled_render_to_texture")&&!1!==e._autoAllocateDepthBuffer}dispose(){null!==this.textureUtils&&this.textureUtils.dispose();const e=this.extensions.get("WEBGL_lose_context");e&&e.loseContext(),this.renderer.domElement.removeEventListener("webglcontextlost",this._onContextLost)}}const IR="point-list",OR="line-list",VR="line-strip",kR="triangle-list",GR="undefined"!=typeof self&&self.GPUShaderStage?self.GPUShaderStage:{VERTEX:1,FRAGMENT:2,COMPUTE:4},zR="never",$R="less",WR="equal",HR="less-equal",qR="greater",jR="not-equal",XR="greater-equal",KR="always",YR="store",QR="load",ZR="clear",JR="ccw",eE="cw",tE="none",rE="back",sE="uint16",iE="uint32",nE="r8unorm",aE="r8snorm",oE="r8uint",uE="r8sint",lE="r16uint",dE="r16sint",cE="r16float",hE="rg8unorm",pE="rg8snorm",gE="rg8uint",mE="rg8sint",fE="r32uint",yE="r32sint",bE="r32float",xE="rg16uint",TE="rg16sint",_E="rg16float",vE="rgba8unorm",NE="rgba8unorm-srgb",SE="rgba8snorm",RE="rgba8uint",EE="rgba8sint",AE="bgra8unorm",wE="bgra8unorm-srgb",CE="rgb9e5ufloat",ME="rgb10a2unorm",BE="rg11b10ufloat",FE="rg32uint",LE="rg32sint",PE="rg32float",DE="rgba16uint",UE="rgba16sint",IE="rgba16float",OE="rgba32uint",VE="rgba32sint",kE="rgba32float",GE="depth16unorm",zE="depth24plus",$E="depth24plus-stencil8",WE="depth32float",HE="depth32float-stencil8",qE="bc1-rgba-unorm",jE="bc1-rgba-unorm-srgb",XE="bc2-rgba-unorm",KE="bc2-rgba-unorm-srgb",YE="bc3-rgba-unorm",QE="bc3-rgba-unorm-srgb",ZE="bc4-r-unorm",JE="bc4-r-snorm",eA="bc5-rg-unorm",tA="bc5-rg-snorm",rA="bc6h-rgb-ufloat",sA="bc6h-rgb-float",iA="bc7-rgba-unorm",nA="bc7-rgba-unorm-srgb",aA="etc2-rgb8unorm",oA="etc2-rgb8unorm-srgb",uA="etc2-rgb8a1unorm",lA="etc2-rgb8a1unorm-srgb",dA="etc2-rgba8unorm",cA="etc2-rgba8unorm-srgb",hA="eac-r11unorm",pA="eac-r11snorm",gA="eac-rg11unorm",mA="eac-rg11snorm",fA="astc-4x4-unorm",yA="astc-4x4-unorm-srgb",bA="astc-5x4-unorm",xA="astc-5x4-unorm-srgb",TA="astc-5x5-unorm",_A="astc-5x5-unorm-srgb",vA="astc-6x5-unorm",NA="astc-6x5-unorm-srgb",SA="astc-6x6-unorm",RA="astc-6x6-unorm-srgb",EA="astc-8x5-unorm",AA="astc-8x5-unorm-srgb",wA="astc-8x6-unorm",CA="astc-8x6-unorm-srgb",MA="astc-8x8-unorm",BA="astc-8x8-unorm-srgb",FA="astc-10x5-unorm",LA="astc-10x5-unorm-srgb",PA="astc-10x6-unorm",DA="astc-10x6-unorm-srgb",UA="astc-10x8-unorm",IA="astc-10x8-unorm-srgb",OA="astc-10x10-unorm",VA="astc-10x10-unorm-srgb",kA="astc-12x10-unorm",GA="astc-12x10-unorm-srgb",zA="astc-12x12-unorm",$A="astc-12x12-unorm-srgb",WA="clamp-to-edge",HA="repeat",qA="mirror-repeat",jA="linear",XA="nearest",KA="zero",YA="one",QA="src",ZA="one-minus-src",JA="src-alpha",ew="one-minus-src-alpha",tw="dst",rw="one-minus-dst",sw="dst-alpha",iw="one-minus-dst-alpha",nw="src-alpha-saturated",aw="constant",ow="one-minus-constant",uw="add",lw="subtract",dw="reverse-subtract",cw="min",hw="max",pw=0,gw=15,mw="keep",fw="zero",yw="replace",bw="invert",xw="increment-clamp",Tw="decrement-clamp",_w="increment-wrap",vw="decrement-wrap",Nw="storage",Sw="read-only-storage",Rw="write-only",Ew="read-only",Aw="read-write",ww="non-filtering",Cw="comparison",Mw="float",Bw="unfilterable-float",Fw="depth",Lw="sint",Pw="uint",Dw="2d",Uw="3d",Iw="2d",Ow="2d-array",Vw="cube",kw="3d",Gw="all",zw="vertex",$w="instance",Ww={CoreFeaturesAndLimits:"core-features-and-limits",DepthClipControl:"depth-clip-control",Depth32FloatStencil8:"depth32float-stencil8",TextureCompressionBC:"texture-compression-bc",TextureCompressionBCSliced3D:"texture-compression-bc-sliced-3d",TextureCompressionETC2:"texture-compression-etc2",TextureCompressionASTC:"texture-compression-astc",TextureCompressionASTCSliced3D:"texture-compression-astc-sliced-3d",TimestampQuery:"timestamp-query",IndirectFirstInstance:"indirect-first-instance",ShaderF16:"shader-f16",RG11B10UFloat:"rg11b10ufloat-renderable",BGRA8UNormStorage:"bgra8unorm-storage",Float32Filterable:"float32-filterable",Float32Blendable:"float32-blendable",ClipDistances:"clip-distances",DualSourceBlending:"dual-source-blending",Subgroups:"subgroups",TextureFormatsTier1:"texture-formats-tier1",TextureFormatsTier2:"texture-formats-tier2"},Hw={"texture-compression-s3tc":"texture-compression-bc","texture-compression-etc1":"texture-compression-etc2"};class qw extends eR{constructor(e,t,r){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update()}}class jw extends jS{constructor(e,t){super(e,t?t.array:null),this._attribute=t,this.isStorageBuffer=!0}get attribute(){return this._attribute}}let Xw=0;class Kw extends jw{constructor(e,t){super("StorageBuffer_"+Xw++,e?e.value:null),this.nodeUniform=e,this.access=e?e.access:ri.READ_WRITE,this.groupNode=t}get attribute(){return this.nodeUniform.value}get buffer(){return this.nodeUniform.value.array}}class Yw extends xy{constructor(e){super(),this.device=e;this.mipmapSampler=e.createSampler({minFilter:jA}),this.flipYSampler=e.createSampler({minFilter:XA}),this.flipUniformBuffer=e.createBuffer({size:4,usage:GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST}),e.queue.writeBuffer(this.flipUniformBuffer,0,new Uint32Array([1])),this.noFlipUniformBuffer=e.createBuffer({size:4,usage:GPUBufferUsage.UNIFORM}),this.transferPipelines={},this.mipmapShaderModule=e.createShaderModule({label:"mipmap",code:"\nstruct VarysStruct {\n\t@builtin( position ) Position: vec4f,\n\t@location( 0 ) vTex : vec2f,\n\t@location( 1 ) @interpolate(flat, either) vBaseArrayLayer: u32,\n};\n\n@group( 0 ) @binding ( 2 )\nvar<uniform> flipY: u32;\n\n@vertex\nfn mainVS(\n\t\t@builtin( vertex_index ) vertexIndex : u32,\n\t\t@builtin( instance_index ) instanceIndex : u32 ) -> VarysStruct {\n\n\tvar Varys : VarysStruct;\n\n\tvar pos = array(\n\t\tvec2f( -1, -1 ),\n\t\tvec2f( -1,  3 ),\n\t\tvec2f(  3, -1 ),\n\t);\n\n\tlet p = pos[ vertexIndex ];\n\tlet mult = select( vec2f( 0.5, -0.5 ), vec2f( 0.5, 0.5 ), flipY != 0 );\n\tVarys.vTex = p * mult + vec2f( 0.5 );\n\tVarys.Position = vec4f( p, 0, 1 );\n\tVarys.vBaseArrayLayer = instanceIndex;\n\n\treturn Varys;\n\n}\n\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img2d : texture_2d<f32>;\n\n@fragment\nfn main_2d( Varys: VarysStruct ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img2d, imgSampler, Varys.vTex );\n\n}\n\n@group( 0 ) @binding( 1 )\nvar img2dArray : texture_2d_array<f32>;\n\n@fragment\nfn main_2d_array( Varys: VarysStruct ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img2dArray, imgSampler, Varys.vTex, Varys.vBaseArrayLayer );\n\n}\n\nconst faceMat = array(\n  mat3x3f(  0,  0,  -2,  0, -2,   0,  1,  1,   1 ),   // pos-x\n  mat3x3f(  0,  0,   2,  0, -2,   0, -1,  1,  -1 ),   // neg-x\n  mat3x3f(  2,  0,   0,  0,  0,   2, -1,  1,  -1 ),   // pos-y\n  mat3x3f(  2,  0,   0,  0,  0,  -2, -1, -1,   1 ),   // neg-y\n  mat3x3f(  2,  0,   0,  0, -2,   0, -1,  1,   1 ),   // pos-z\n  mat3x3f( -2,  0,   0,  0, -2,   0,  1,  1,  -1 ),   // neg-z\n);\n\n@group( 0 ) @binding( 1 )\nvar imgCube : texture_cube<f32>;\n\n@fragment\nfn main_cube( Varys: VarysStruct ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( imgCube, imgSampler, faceMat[ Varys.vBaseArrayLayer ] * vec3f( fract( Varys.vTex ), 1 ) );\n\n}\n"})}getTransferPipeline(e,t){const r=`${e}-${t=t||"2d-array"}`;let s=this.transferPipelines[r];return void 0===s&&(s=this.device.createRenderPipeline({label:`mipmap-${e}-${t}`,vertex:{module:this.mipmapShaderModule},fragment:{module:this.mipmapShaderModule,entryPoint:`main_${t.replace("-","_")}`,targets:[{format:e}]},layout:"auto"}),this.transferPipelines[r]=s),s}flipY(e,t,r=0){const s=t.format,{width:i,height:n}=t.size,a=this.device.createTexture({size:{width:i,height:n},format:s,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING}),o=this.getTransferPipeline(s,e.textureBindingViewDimension),u=this.getTransferPipeline(s,a.textureBindingViewDimension),l=this.device.createCommandEncoder({}),d=(e,t,r,s,i,n)=>{const a=e.getBindGroupLayout(0),o=this.device.createBindGroup({layout:a,entries:[{binding:0,resource:this.flipYSampler},{binding:1,resource:t.createView({dimension:t.textureBindingViewDimension||"2d-array",baseMipLevel:0,mipLevelCount:1})},{binding:2,resource:{buffer:n?this.flipUniformBuffer:this.noFlipUniformBuffer}}]}),u=l.beginRenderPass({colorAttachments:[{view:s.createView({dimension:"2d",baseMipLevel:0,mipLevelCount:1,baseArrayLayer:i,arrayLayerCount:1}),loadOp:ZR,storeOp:YR}]});u.setPipeline(e),u.setBindGroup(0,o),u.draw(3,1,0,r),u.end()};d(o,e,r,a,0,!1),d(u,a,0,e,r,!0),this.device.queue.submit([l.finish()]),a.destroy()}generateMipmaps(e,t=null){const r=this.get(e),s=r.layers||this._mipmapCreateBundles(e),i=t||this.device.createCommandEncoder({label:"mipmapEncoder"});this._mipmapRunBundles(i,s),null===t&&this.device.queue.submit([i.finish()]),r.layers=s}_mipmapCreateBundles(e){const t=e.textureBindingViewDimension||"2d-array",r=this.getTransferPipeline(e.format,t),s=r.getBindGroupLayout(0),i=[];for(let n=1;n<e.mipLevelCount;n++)for(let a=0;a<e.depthOrArrayLayers;a++){const o=this.device.createBindGroup({layout:s,entries:[{binding:0,resource:this.mipmapSampler},{binding:1,resource:e.createView({dimension:t,baseMipLevel:n-1,mipLevelCount:1})},{binding:2,resource:{buffer:this.noFlipUniformBuffer}}]}),u={colorAttachments:[{view:e.createView({dimension:"2d",baseMipLevel:n,mipLevelCount:1,baseArrayLayer:a,arrayLayerCount:1}),loadOp:ZR,storeOp:YR}]},l=this.device.createRenderBundleEncoder({colorFormats:[e.format]});l.setPipeline(r),l.setBindGroup(0,o),l.draw(3,1,0,a),i.push({renderBundles:[l.finish()],passDescriptor:u})}return i}_mipmapRunBundles(e,t){const r=t.length;for(let s=0;s<r;s++){const r=t[s],i=e.beginRenderPass(r.passDescriptor);i.executeBundles(r.renderBundles),i.end()}}}const Qw={[Hr]:"never",[A]:"less",[$r]:"equal",[Ze]:"less-equal",[zr]:"greater",[Qe]:"greater-equal",[Wr]:"always",[Gr]:"not-equal"},Zw=[0,1,3,2,4,5];class Jw{constructor(e){this.backend=e,this._passUtils=null,this.defaultTexture={},this.defaultCubeTexture={},this.defaultVideoFrame=null,this._samplerCache=new Map}updateSampler(e){const t=this.backend,r=e.minFilter+"-"+e.magFilter+"-"+e.wrapS+"-"+e.wrapT+"-"+(e.wrapR||"0")+"-"+e.anisotropy+"-"+(e.compareFunction||0);let s=this._samplerCache.get(r);if(void 0===s){const i={addressModeU:this._convertAddressMode(e.wrapS),addressModeV:this._convertAddressMode(e.wrapT),addressModeW:this._convertAddressMode(e.wrapR),magFilter:this._convertFilterMode(e.magFilter),minFilter:this._convertFilterMode(e.minFilter),mipmapFilter:this._convertFilterMode(e.minFilter),maxAnisotropy:1};e.isDepthTexture&&null===e.compareFunction&&(i.magFilter=XA,i.minFilter=XA,i.mipmapFilter=XA),i.magFilter===jA&&i.minFilter===jA&&i.mipmapFilter===jA&&(i.maxAnisotropy=e.anisotropy),e.isDepthTexture&&null!==e.compareFunction&&t.hasCompatibility(E.TEXTURE_COMPARE)&&(i.compare=Qw[e.compareFunction]);s={sampler:t.device.createSampler(i),usedTimes:0},this._samplerCache.set(r,s)}const i=t.get(e);if(i.sampler!==s.sampler){if(void 0!==i.sampler){const e=this._samplerCache.get(i.samplerKey);e.usedTimes--,0===e.usedTimes&&this._samplerCache.delete(i.samplerKey)}i.samplerKey=r,i.sampler=s.sampler,s.usedTimes++}return r}createDefaultTexture(e){let t;const r=eC(e);t=e.isCubeTexture?this._getDefaultCubeTextureGPU(r):this._getDefaultTextureGPU(r),this.backend.get(e).texture=t}createTexture(e,t={}){const r=this.backend,s=r.get(e);if(s.initialized)throw new Error("WebGPUTextureUtils: Texture already initialized.");if(e.isExternalTexture)return s.texture=e.sourceTexture,void(s.initialized=!0);void 0===t.needsMipmaps&&(t.needsMipmaps=!1),void 0===t.levels&&(t.levels=1),void 0===t.depth&&(t.depth=1);const{width:i,height:n,depth:a,levels:o}=t;e.isFramebufferTexture&&(t.renderTarget?t.format=this.backend.utils.getCurrentColorFormat(t.renderTarget):t.format=this.backend.utils.getPreferredCanvasFormat());const u=this._getDimension(e),l=e.internalFormat||t.format||eC(e,r.device);s.format=l;const{samples:c,primarySamples:h,isMSAA:p}=r.utils.getTextureSampleData(e);let g=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.COPY_SRC;!0===e.isStorageTexture&&(g|=GPUTextureUsage.STORAGE_BINDING),!0!==e.isCompressedTexture&&!0!==e.isCompressedArrayTexture&&l!==CE&&(g|=GPUTextureUsage.RENDER_ATTACHMENT);const m={label:e.name,size:{width:i,height:n,depthOrArrayLayers:a},mipLevelCount:o,sampleCount:h,dimension:u,format:l,usage:g};if(void 0===l)return d("WebGPURenderer: Texture format not supported."),void this.createDefaultTexture(e);e.isCubeTexture&&(m.textureBindingViewDimension=Vw);try{s.texture=r.device.createTexture(m)}catch(t){return d("WebGPURenderer: Failed to create texture with descriptor:",m),void this.createDefaultTexture(e)}if(p){const e=Object.assign({},m);e.label=e.label+"-msaa",e.sampleCount=c,e.mipLevelCount=1,s.msaaTexture=r.device.createTexture(e)}s.initialized=!0,s.textureDescriptorGPU=m}destroyTexture(e,t=!1){const r=this.backend,s=r.get(e);void 0!==s.texture&&!1===t&&s.texture.destroy(),void 0!==s.msaaTexture&&s.msaaTexture.destroy(),r.delete(e)}generateMipmaps(e,t=null){const r=this.backend.get(e);this._generateMipmaps(r.texture,t)}getColorBuffer(){const e=this.backend,t=e.renderer.getCanvasTarget(),{width:r,height:s}=e.getDrawingBufferSize(),i=e.renderer.currentSamples,n=t.colorTexture,a=e.get(n);if(n.width===r&&n.height===s&&n.samples===i)return a.texture;let o=a.texture;return o&&o.destroy(),o=e.device.createTexture({label:"colorBuffer",size:{width:r,height:s,depthOrArrayLayers:1},sampleCount:e.utils.getSampleCount(e.renderer.currentSamples),format:e.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC}),n.source.width=r,n.source.height=s,n.samples=i,a.texture=o,o}getDepthBuffer(e=!0,t=!1){const r=this.backend,s=r.renderer.getCanvasTarget(),{width:i,height:n}=r.getDrawingBufferSize(),a=r.renderer.currentSamples,o=s.depthTexture;if(o.width===i&&o.height===n&&o.samples===a&&o.depth===e&&o.stencil===t)return r.get(o).texture;const u=r.get(o).texture;let l,d;if(t?(l=Ue,d=Oe):e&&(l=Ie,d=S),void 0!==u){if(o.image.width===i&&o.image.height===n&&o.format===l&&o.type===d&&o.samples===a)return u;this.destroyTexture(o)}return o.name="depthBuffer",o.format=l,o.type=d,o.image.width=i,o.image.height=n,o.samples=a,this.createTexture(o,{width:i,height:n}),r.get(o).texture}updateTexture(e,t){const r=this.backend.get(e),s=e.mipmaps,{textureDescriptorGPU:i}=r;if(!e.isRenderTargetTexture&&void 0!==i){if(e.isDataTexture)if(s.length>0)for(let t=0,n=s.length;t<n;t++){const n=s[t];this._copyBufferToTexture(n,r.texture,i,0,e.flipY,0,t)}else this._copyBufferToTexture(t.image,r.texture,i,0,e.flipY);else if(e.isArrayTexture||e.isDataArrayTexture||e.isData3DTexture)for(let s=0;s<t.image.depth;s++)this._copyBufferToTexture(t.image,r.texture,i,s,e.flipY,s);else if(e.isCompressedTexture||e.isCompressedArrayTexture)this._copyCompressedBufferToTexture(e.mipmaps,r.texture,i);else if(e.isCubeTexture)this._copyCubeMapToTexture(e,r.texture,i);else if(s.length>0)for(let t=0,n=s.length;t<n;t++){const n=s[t];this._copyImageToTexture(n,r.texture,i,0,e.flipY,e.premultiplyAlpha,t)}else this._copyImageToTexture(t.image,r.texture,i,0,e.flipY,e.premultiplyAlpha);r.version=e.version}}async copyTextureToBuffer(e,t,r,s,i,n){const a=this.backend.device,o=this.backend.get(e),u=o.texture,l=o.textureDescriptorGPU.format,d=this._getBytesPerTexel(l);let c=s*d;c=256*Math.ceil(c/256);const h=a.createBuffer({size:(i-1)*c+s*d,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ}),p=a.createCommandEncoder();p.copyTextureToBuffer({texture:u,origin:{x:t,y:r,z:n}},{buffer:h,bytesPerRow:c},{width:s,height:i});const g=this._getTypedArrayType(l);a.queue.submit([p.finish()]),await h.mapAsync(GPUMapMode.READ);return new g(h.getMappedRange())}dispose(){this._samplerCache.clear()}_getDefaultTextureGPU(e){let t=this.defaultTexture[e];if(void 0===t){const r=new N;r.minFilter=w,r.magFilter=w,this.createTexture(r,{width:1,height:1,format:e}),this.defaultTexture[e]=t=r}return this.backend.get(t).texture}_getDefaultCubeTextureGPU(e){let t=this.defaultCubeTexture[e];if(void 0===t){const r=new L;r.minFilter=w,r.magFilter=w,this.createTexture(r,{width:1,height:1,depth:6}),this.defaultCubeTexture[e]=t=r}return this.backend.get(t).texture}_copyCubeMapToTexture(e,t,r){const s=e.images,i=e.mipmaps;for(let n=0;n<6;n++){const a=s[n],o=!0===e.flipY?Zw[n]:n;a.isDataTexture?this._copyBufferToTexture(a.image,t,r,o,e.flipY):this._copyImageToTexture(a,t,r,o,e.flipY,e.premultiplyAlpha);for(let s=0;s<i.length;s++){const a=i[s].images[n];a.isDataTexture?this._copyBufferToTexture(a.image,t,r,o,e.flipY,0,s+1):this._copyImageToTexture(a,t,r,o,e.flipY,e.premultiplyAlpha,s+1)}}}_copyImageToTexture(e,t,r,s,i,n,a=0){const o=this.backend.device,u=a>0?e.width:r.size.width,l=a>0?e.height:r.size.height;try{o.queue.copyExternalImageToTexture({source:e,flipY:i},{texture:t,mipLevel:a,origin:{x:0,y:0,z:s},premultipliedAlpha:n},{width:u,height:l,depthOrArrayLayers:1})}catch(e){}}_getPassUtils(){let e=this._passUtils;return null===e&&(this._passUtils=e=new Yw(this.backend.device)),e}_generateMipmaps(e,t=null){this._getPassUtils().generateMipmaps(e,t)}_flipY(e,t,r=0){this._getPassUtils().flipY(e,t,r)}_copyBufferToTexture(e,t,r,s,i,n=0,a=0){const o=this.backend.device,u=e.data,l=this._getBytesPerTexel(r.format),d=e.width*l;o.queue.writeTexture({texture:t,mipLevel:a,origin:{x:0,y:0,z:s}},u,{offset:e.width*e.height*l*n,bytesPerRow:d},{width:e.width,height:e.height,depthOrArrayLayers:1}),!0===i&&this._flipY(t,r,s)}_copyCompressedBufferToTexture(e,t,r){const s=this.backend.device,i=this._getBlockData(r.format),n=r.size.depthOrArrayLayers>1;for(let a=0;a<e.length;a++){const o=e[a],u=o.width,l=o.height,d=n?r.size.depthOrArrayLayers:1,c=Math.ceil(u/i.width)*i.byteLength,h=c*Math.ceil(l/i.height);for(let e=0;e<d;e++)s.queue.writeTexture({texture:t,mipLevel:a,origin:{x:0,y:0,z:e}},o.data,{offset:e*h,bytesPerRow:c,rowsPerImage:Math.ceil(l/i.height)},{width:Math.ceil(u/i.width)*i.width,height:Math.ceil(l/i.height)*i.height,depthOrArrayLayers:1})}}_getBlockData(e){return e===qE||e===jE?{byteLength:8,width:4,height:4}:e===XE||e===KE||e===YE||e===QE?{byteLength:16,width:4,height:4}:e===ZE||e===JE?{byteLength:8,width:4,height:4}:e===eA||e===tA||e===rA||e===sA||e===iA||e===nA?{byteLength:16,width:4,height:4}:e===aA||e===oA||e===uA||e===lA?{byteLength:8,width:4,height:4}:e===dA||e===cA?{byteLength:16,width:4,height:4}:e===hA||e===pA?{byteLength:8,width:4,height:4}:e===gA||e===mA||e===fA||e===yA?{byteLength:16,width:4,height:4}:e===bA||e===xA?{byteLength:16,width:5,height:4}:e===TA||e===_A?{byteLength:16,width:5,height:5}:e===vA||e===NA?{byteLength:16,width:6,height:5}:e===SA||e===RA?{byteLength:16,width:6,height:6}:e===EA||e===AA?{byteLength:16,width:8,height:5}:e===wA||e===CA?{byteLength:16,width:8,height:6}:e===MA||e===BA?{byteLength:16,width:8,height:8}:e===FA||e===LA?{byteLength:16,width:10,height:5}:e===PA||e===DA?{byteLength:16,width:10,height:6}:e===UA||e===IA?{byteLength:16,width:10,height:8}:e===OA||e===VA?{byteLength:16,width:10,height:10}:e===kA||e===GA?{byteLength:16,width:12,height:10}:e===zA||e===$A?{byteLength:16,width:12,height:12}:void 0}_convertAddressMode(e){let t=WA;return e===Vr?t=HA:e===Or&&(t=qA),t}_convertFilterMode(e){let t=jA;return e!==w&&e!==kr&&e!==nt||(t=XA),t}_getBytesPerTexel(e){return e===nE||e===aE||e===oE||e===uE?1:e===lE||e===dE||e===cE||e===hE||e===pE||e===gE||e===mE?2:e===fE||e===yE||e===bE||e===xE||e===TE||e===_E||e===vE||e===NE||e===SE||e===RE||e===EE||e===AE||e===wE||e===CE||e===ME||e===BE||e===WE||e===zE||e===$E||e===HE?4:e===FE||e===LE||e===PE||e===DE||e===UE||e===IE?8:e===OE||e===VE||e===kE?16:void 0}_getTypedArrayType(e){return e===oE?Uint8Array:e===uE?Int8Array:e===nE?Uint8Array:e===aE?Int8Array:e===gE?Uint8Array:e===mE?Int8Array:e===hE?Uint8Array:e===pE?Int8Array:e===RE?Uint8Array:e===EE?Int8Array:e===vE||e===NE?Uint8Array:e===SE?Int8Array:e===lE?Uint16Array:e===dE?Int16Array:e===xE?Uint16Array:e===TE?Int16Array:e===DE?Uint16Array:e===UE?Int16Array:e===cE||e===_E||e===IE?Uint16Array:e===fE?Uint32Array:e===yE?Int32Array:e===bE?Float32Array:e===FE?Uint32Array:e===LE?Int32Array:e===PE?Float32Array:e===OE?Uint32Array:e===VE?Int32Array:e===kE?Float32Array:e===AE||e===wE?Uint8Array:e===ME||e===CE||e===BE?Uint32Array:e===WE?Float32Array:e===zE||e===$E?Uint32Array:e===HE?Float32Array:void 0}_getDimension(e){let t;return t=e.is3DTexture||e.isData3DTexture?Uw:Dw,t}}function eC(e,t=null){const r=e.format,s=e.type,i=e.colorSpace,n=p.getTransfer(i);let a;if(!0===e.isCompressedTexture||!0===e.isCompressedArrayTexture)switch(r){case ar:case or:a=n===g?jE:qE;break;case ur:a=n===g?KE:XE;break;case lr:a=n===g?QE:YE;break;case Dr:a=ZE;break;case Ur:a=JE;break;case z:a=eA;break;case Ir:a=tA;break;case Pr:a=n===g?nA:iA;break;case mr:case gr:a=n===g?oA:aA;break;case fr:a=n===g?cA:dA;break;case yr:a=hA;break;case br:a=pA;break;case $:a=gA;break;case xr:a=mA;break;case Tr:a=n===g?yA:fA;break;case _r:a=n===g?xA:bA;break;case vr:a=n===g?_A:TA;break;case Nr:a=n===g?NA:vA;break;case Sr:a=n===g?RA:SA;break;case Rr:a=n===g?AA:EA;break;case Er:a=n===g?CA:wA;break;case Ar:a=n===g?BA:MA;break;case wr:a=n===g?LA:FA;break;case Cr:a=n===g?DA:PA;break;case Mr:a=n===g?IA:UA;break;case Br:a=n===g?VA:OA;break;case Fr:a=n===g?GA:kA;break;case Lr:a=n===g?$A:zA;break;case Se:a=n===g?NE:vE;break;default:o("WebGPURenderer: Unsupported texture format.",r)}else switch(r){case Se:switch(s){case vt:a=SE;break;case _t:a=UE;break;case Nt:a=DE;break;case S:a=OE;break;case R:a=VE;break;case Ve:a=n===g?NE:vE;break;case be:a=IE;break;case j:a=kE;break;default:o("WebGPURenderer: Unsupported texture type with RGBAFormat.",s)}break;case Et:switch(s){case sr:a=CE;break;case ir:a=BE;break;default:o("WebGPURenderer: Unsupported texture type with RGBFormat.",s)}break;case Tt:switch(s){case vt:a=aE;break;case _t:a=dE;break;case Nt:a=lE;break;case S:a=fE;break;case R:a=yE;break;case Ve:a=nE;break;case be:a=cE;break;case j:a=bE;break;default:o("WebGPURenderer: Unsupported texture type with RedFormat.",s)}break;case G:switch(s){case vt:a=pE;break;case _t:a=TE;break;case Nt:a=xE;break;case S:a=FE;break;case R:a=LE;break;case Ve:a=hE;break;case be:a=_E;break;case j:a=PE;break;default:o("WebGPURenderer: Unsupported texture type with RGFormat.",s)}break;case Ie:switch(s){case Nt:a=GE;break;case S:a=zE;break;case j:a=WE;break;default:o("WebGPURenderer: Unsupported texture type with DepthFormat.",s)}break;case Ue:switch(s){case Oe:a=$E;break;case j:t&&!1===t.features.has(Ww.Depth32FloatStencil8)&&o('WebGPURenderer: Depth textures with DepthStencilFormat + FloatType can only be used with the "depth32float-stencil8" GPU feature.'),a=HE;break;default:o("WebGPURenderer: Unsupported texture type with DepthStencilFormat.",s)}break;case xt:switch(s){case R:a=yE;break;case S:a=fE;break;default:o("WebGPURenderer: Unsupported texture type with RedIntegerFormat.",s)}break;case St:switch(s){case R:a=LE;break;case S:a=FE;break;default:o("WebGPURenderer: Unsupported texture type with RGIntegerFormat.",s)}break;case At:switch(s){case R:a=VE;break;case S:a=OE;break;default:o("WebGPURenderer: Unsupported texture type with RGBAIntegerFormat.",s)}break;default:o("WebGPURenderer: Unsupported texture format.",r)}return a}const tC=/^[fn]*\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)\s*[\-\>]*\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/i,rC=/([a-z_0-9]+)\s*:\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/gi,sC={f32:"float",i32:"int",u32:"uint",bool:"bool","vec2<f32>":"vec2","vec2<i32>":"ivec2","vec2<u32>":"uvec2","vec2<bool>":"bvec2",vec2f:"vec2",vec2i:"ivec2",vec2u:"uvec2",vec2b:"bvec2","vec3<f32>":"vec3","vec3<i32>":"ivec3","vec3<u32>":"uvec3","vec3<bool>":"bvec3",vec3f:"vec3",vec3i:"ivec3",vec3u:"uvec3",vec3b:"bvec3","vec4<f32>":"vec4","vec4<i32>":"ivec4","vec4<u32>":"uvec4","vec4<bool>":"bvec4",vec4f:"vec4",vec4i:"ivec4",vec4u:"uvec4",vec4b:"bvec4","mat2x2<f32>":"mat2",mat2x2f:"mat2","mat3x3<f32>":"mat3",mat3x3f:"mat3","mat4x4<f32>":"mat4",mat4x4f:"mat4",sampler:"sampler",texture_1d:"texture",texture_2d:"texture",texture_2d_array:"texture",texture_multisampled_2d:"cubeTexture",texture_depth_2d:"depthTexture",texture_depth_2d_array:"depthTexture",texture_depth_multisampled_2d:"depthTexture",texture_depth_cube:"depthTexture",texture_depth_cube_array:"depthTexture",texture_3d:"texture3D",texture_cube:"cubeTexture",texture_cube_array:"cubeTexture",texture_storage_1d:"storageTexture",texture_storage_2d:"storageTexture",texture_storage_2d_array:"storageTexture",texture_storage_3d:"storageTexture"};class iC extends oS{constructor(e){const{type:t,inputs:r,name:s,inputsCode:i,blockCode:n,outputType:a}=(e=>{const t=(e=e.trim()).match(tC);if(null!==t&&4===t.length){const r=t[2],s=[];let i=null;for(;null!==(i=rC.exec(r));)s.push({name:i[1],type:i[2]});const n=[];for(let e=0;e<s.length;e++){const{name:t,type:r}=s[e];let i=r;i.startsWith("ptr")?i="pointer":(i.startsWith("texture")&&(i=r.split("<")[0]),i=sC[i]),n.push(new jN(i,t))}const a=e.substring(t[0].length),o=t[3]||"void",u=void 0!==t[1]?t[1]:"";return{type:sC[o]||o,inputs:n,name:u,inputsCode:r,blockCode:a,outputType:o}}throw new Error("FunctionNode: Function is not a WGSL code.")})(e);super(t,r,s),this.inputsCode=i,this.blockCode=n,this.outputType=a}getCode(e=this.name){const t="void"!==this.outputType?"-> "+this.outputType:"";return`fn ${e} ( ${this.inputsCode.trim()} ) ${t}`+this.blockCode}}class nC extends aS{parseFunction(e){return new iC(e)}}const aC={[ri.READ_ONLY]:"read",[ri.WRITE_ONLY]:"write",[ri.READ_WRITE]:"read_write"},oC={[Vr]:"repeat",[xe]:"clamp",[Or]:"mirror"},uC={vertex:GR.VERTEX,fragment:GR.FRAGMENT,compute:GR.COMPUTE},lC={instance:!0,swizzleAssign:!1,storageBuffer:!0},dC={"^^":"tsl_xor"},cC={float:"f32",int:"i32",uint:"u32",bool:"bool",color:"vec3<f32>",vec2:"vec2<f32>",ivec2:"vec2<i32>",uvec2:"vec2<u32>",bvec2:"vec2<bool>",vec3:"vec3<f32>",ivec3:"vec3<i32>",uvec3:"vec3<u32>",bvec3:"vec3<bool>",vec4:"vec4<f32>",ivec4:"vec4<i32>",uvec4:"vec4<u32>",bvec4:"vec4<bool>",mat2:"mat2x2<f32>",mat3:"mat3x3<f32>",mat4:"mat4x4<f32>"},hC={},pC={tsl_xor:new cT("fn tsl_xor( a : bool, b : bool ) -> bool { return ( a || b ) && !( a && b ); }"),mod_float:new cT("fn tsl_mod_float( x : f32, y : f32 ) -> f32 { return x - y * floor( x / y ); }"),mod_vec2:new cT("fn tsl_mod_vec2( x : vec2f, y : vec2f ) -> vec2f { return x - y * floor( x / y ); }"),mod_vec3:new cT("fn tsl_mod_vec3( x : vec3f, y : vec3f ) -> vec3f { return x - y * floor( x / y ); }"),mod_vec4:new cT("fn tsl_mod_vec4( x : vec4f, y : vec4f ) -> vec4f { return x - y * floor( x / y ); }"),equals_bool:new cT("fn tsl_equals_bool( a : bool, b : bool ) -> bool { return a == b; }"),equals_bvec2:new cT("fn tsl_equals_bvec2( a : vec2f, b : vec2f ) -> vec2<bool> { return vec2<bool>( a.x == b.x, a.y == b.y ); }"),equals_bvec3:new cT("fn tsl_equals_bvec3( a : vec3f, b : vec3f ) -> vec3<bool> { return vec3<bool>( a.x == b.x, a.y == b.y, a.z == b.z ); }"),equals_bvec4:new cT("fn tsl_equals_bvec4( a : vec4f, b : vec4f ) -> vec4<bool> { return vec4<bool>( a.x == b.x, a.y == b.y, a.z == b.z, a.w == b.w ); }"),repeatWrapping_float:new cT("fn tsl_repeatWrapping_float( coord: f32 ) -> f32 { return fract( coord ); }"),mirrorWrapping_float:new cT("fn tsl_mirrorWrapping_float( coord: f32 ) -> f32 { let mirrored = fract( coord * 0.5 ) * 2.0; return 1.0 - abs( 1.0 - mirrored ); }"),clampWrapping_float:new cT("fn tsl_clampWrapping_float( coord: f32 ) -> f32 { return clamp( coord, 0.0, 1.0 ); }"),biquadraticTexture:new cT("\nfn tsl_biquadraticTexture( map : texture_2d<f32>, coord : vec2f, iRes : vec2u, level : u32 ) -> vec4f {\n\n\tlet res = vec2f( iRes );\n\n\tlet uvScaled = coord * res;\n\tlet uvWrapping = ( ( uvScaled % res ) + res ) % res;\n\n\t// https://www.shadertoy.com/view/WtyXRy\n\n\tlet uv = uvWrapping - 0.5;\n\tlet iuv = floor( uv );\n\tlet f = fract( uv );\n\n\tlet rg1 = textureLoad( map, vec2u( iuv + vec2( 0.5, 0.5 ) ) % iRes, level );\n\tlet rg2 = textureLoad( map, vec2u( iuv + vec2( 1.5, 0.5 ) ) % iRes, level );\n\tlet rg3 = textureLoad( map, vec2u( iuv + vec2( 0.5, 1.5 ) ) % iRes, level );\n\tlet rg4 = textureLoad( map, vec2u( iuv + vec2( 1.5, 1.5 ) ) % iRes, level );\n\n\treturn mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );\n\n}\n"),biquadraticTextureArray:new cT("\nfn tsl_biquadraticTexture_array( map : texture_2d_array<f32>, coord : vec2f, iRes : vec2u, layer : u32, level : u32 ) -> vec4f {\n\n\tlet res = vec2f( iRes );\n\n\tlet uvScaled = coord * res;\n\tlet uvWrapping = ( ( uvScaled % res ) + res ) % res;\n\n\t// https://www.shadertoy.com/view/WtyXRy\n\n\tlet uv = uvWrapping - 0.5;\n\tlet iuv = floor( uv );\n\tlet f = fract( uv );\n\n\tlet rg1 = textureLoad( map, vec2u( iuv + vec2( 0.5, 0.5 ) ) % iRes, layer, level );\n\tlet rg2 = textureLoad( map, vec2u( iuv + vec2( 1.5, 0.5 ) ) % iRes, layer, level );\n\tlet rg3 = textureLoad( map, vec2u( iuv + vec2( 0.5, 1.5 ) ) % iRes, layer, level );\n\tlet rg4 = textureLoad( map, vec2u( iuv + vec2( 1.5, 1.5 ) ) % iRes, layer, level );\n\n\treturn mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );\n\n}\n")},gC={dFdx:"dpdx",dFdy:"- dpdy",mod_float:"tsl_mod_float",mod_vec2:"tsl_mod_vec2",mod_vec3:"tsl_mod_vec3",mod_vec4:"tsl_mod_vec4",equals_bool:"tsl_equals_bool",equals_bvec2:"tsl_equals_bvec2",equals_bvec3:"tsl_equals_bvec3",equals_bvec4:"tsl_equals_bvec4",inversesqrt:"inverseSqrt",bitcast:"bitcast<f32>",floatpack_snorm_2x16:"pack2x16snorm",floatpack_unorm_2x16:"pack2x16unorm",floatpack_float16_2x16:"pack2x16float",floatunpack_snorm_2x16:"unpack2x16snorm",floatunpack_unorm_2x16:"unpack2x16unorm",floatunpack_float16_2x16:"unpack2x16float"};let mC="";!0!==("undefined"!=typeof navigator&&/Firefox|Deno/g.test(navigator.userAgent))&&(mC+="diagnostic( off, derivative_uniformity );\n");class fC extends HN{constructor(e,t){super(e,t,new nC),this.uniformGroups={},this.uniformGroupsBindings={},this.builtins={},this.directives={},this.scopedArrays=new Map}_generateTextureSample(e,t,r,s,i,n=this.shaderStage){return"fragment"===n?s?i?`textureSample( ${t}, ${t}_sampler, ${r}, ${s}, ${i} )`:`textureSample( ${t}, ${t}_sampler, ${r}, ${s} )`:i?`textureSample( ${t}, ${t}_sampler, ${r}, ${i} )`:`textureSample( ${t}, ${t}_sampler, ${r} )`:this.generateTextureSampleLevel(e,t,r,"0",s)}generateTextureSampleLevel(e,t,r,s,i,n){return!1===this.isUnfilterable(e)?i?n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,n,s,i):this.generateTextureLod(e,t,r,i,n,s)}generateWrapFunction(e){const t=`tsl_coord_${oC[e.wrapS]}S_${oC[e.wrapT]}_${e.is3DTexture||e.isData3DTexture?"3d":"2d"}T`;let r=hC[t];if(void 0===r){const s=[],i=e.is3DTexture||e.isData3DTexture?"vec3f":"vec2f";let n=`fn ${t}( coord : ${i} ) -> ${i} {\n\n\treturn ${i}(\n`;const a=(e,t)=>{e===Vr?(s.push(pC.repeatWrapping_float),n+=`\t\ttsl_repeatWrapping_float( coord.${t} )`):e===xe?(s.push(pC.clampWrapping_float),n+=`\t\ttsl_clampWrapping_float( coord.${t} )`):e===Or?(s.push(pC.mirrorWrapping_float),n+=`\t\ttsl_mirrorWrapping_float( coord.${t} )`):(n+=`\t\tcoord.${t}`,d(`WebGPURenderer: Unsupported texture wrap type "${e}" for vertex shader.`))};a(e.wrapS,"x"),n+=",\n",a(e.wrapT,"y"),(e.is3DTexture||e.isData3DTexture)&&(n+=",\n",a(e.wrapR,"z")),n+="\n\t);\n\n}\n",hC[t]=r=new cT(n,s)}return r.build(this),t}generateArrayDeclaration(e,t){return`array< ${this.getType(e)}, ${t} >`}generateTextureDimension(e,t,r){const s=this.getDataFromNode(e,this.shaderStage,this.globalCache);void 0===s.dimensionsSnippet&&(s.dimensionsSnippet={});let i=s.dimensionsSnippet[r];if(void 0===s.dimensionsSnippet[r]){let n,a;const{primarySamples:o}=this.renderer.backend.utils.getTextureSampleData(e),u=o>1;a=e.is3DTexture||e.isData3DTexture?"vec3<u32>":"vec2<u32>",n=u||e.isStorageTexture?t:`${t}${r?`, u32( ${r} )`:""}`,i=new Au(new gl(`textureDimensions( ${n} )`,a)),s.dimensionsSnippet[r]=i,(e.isArrayTexture||e.isDataArrayTexture||e.is3DTexture||e.isData3DTexture)&&(s.arrayLayerCount=new Au(new gl(`textureNumLayers(${t})`,"u32"))),e.isTextureCube&&(s.cubeFaceCount=new Au(new gl("6u","u32")))}return i.build(this)}generateFilteredTexture(e,t,r,s,i="0u",n){const a=this.generateWrapFunction(e),o=this.generateTextureDimension(e,t,i);return s&&(r=`${r} + vec2<f32>(${s}) / ${o}`),n?(this._include("biquadraticTextureArray"),`tsl_biquadraticTexture_array( ${t}, ${a}( ${r} ), ${o}, u32( ${n} ), u32( ${i} ) )`):(this._include("biquadraticTexture"),`tsl_biquadraticTexture( ${t}, ${a}( ${r} ), ${o}, u32( ${i} ) )`)}generateTextureLod(e,t,r,s,i,n="0u"){if(!0===e.isCubeTexture){i&&(r=`${r} + vec3<f32>(${i})`);return`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${e.isDepthTexture?"u32":"f32"}( ${n} ) )`}const a=this.generateWrapFunction(e),o=this.generateTextureDimension(e,t,n),u=e.is3DTexture||e.isData3DTexture?"vec3":"vec2";i&&(r=`${r} + ${u}<f32>(${i}) / ${u}<f32>( ${o} )`);return r=`${u}<u32>( clamp( floor( ${a}( ${r} ) * ${u}<f32>( ${o} ) ), ${`${u}<f32>( 0 )`}, ${`${u}<f32>( ${o} - ${"vec3"===u?"vec3<u32>( 1, 1, 1 )":"vec2<u32>( 1, 1 )"} )`} ) )`,this.generateTextureLoad(e,t,r,n,s,null)}generateTextureLoad(e,t,r,s,i,n){const a=!0===e.isStorageTexture;let o;return null!==s||a||(s="0u"),n&&(r=`${r} + ${n}`),i?o=a?`textureLoad( ${t}, ${r}, ${i} )`:`textureLoad( ${t}, ${r}, ${i}, u32( ${s} ) )`:a?o=`textureLoad( ${t}, ${r} )`:(o=`textureLoad( ${t}, ${r}, u32( ${s} ) )`,this.renderer.backend.compatibilityMode&&e.isDepthTexture&&(o+=".x")),o}generateTextureStore(e,t,r,s,i){let n;return n=s?`textureStore( ${t}, ${r}, ${s}, ${i} )`:`textureStore( ${t}, ${r}, ${i} )`,n}isSampleCompare(e){return!0===e.isDepthTexture&&null!==e.compareFunction&&this.renderer.hasCompatibility(E.TEXTURE_COMPARE)}isUnfilterable(e){return"float"!==this.getComponentTypeFromTexture(e)||!this.isAvailable("float32Filterable")&&!0===e.isDataTexture&&e.type===j||!1===this.isSampleCompare(e)&&e.minFilter===w&&e.magFilter===w||this.renderer.backend.utils.getTextureSampleData(e).primarySamples>1}generateTexture(e,t,r,s,i,n=this.shaderStage){let a=null;return a=this.isUnfilterable(e)?this.generateTextureLod(e,t,r,s,i,"0",n):this._generateTextureSample(e,t,r,s,i,n),a}generateTextureGrad(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return i?n?`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${i}, ${s[0]}, ${s[1]}, ${n} )`:`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${i}, ${s[0]}, ${s[1]} )`:n?`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${s[0]}, ${s[1]}, ${n} )`:`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${s[0]}, ${s[1]} )`;o(`WebGPURenderer: THREE.TextureNode.gradient() does not support ${a} shader.`)}generateTextureCompare(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return!0===e.isDepthTexture&&!0===e.isArrayTexture?n?`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s} )`;o(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${a} shader.`)}generateTextureLevel(e,t,r,s,i,n){return!1===this.isUnfilterable(e)?i?n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,n,s,i):this.generateTextureLod(e,t,r,i,n,s)}generateTextureBias(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return i?n?`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s} )`;o(`WebGPURenderer: THREE.TextureNode.biasNode does not support ${a} shader.`)}getPropertyName(e,t=this.shaderStage){if(!0===e.isNodeVarying&&!0===e.needsInterpolation){if("vertex"===t)return`varyings.${e.name}`}else if(!0===e.isNodeUniform){const t=e.name,r=e.type;return"texture"===r||"cubeTexture"===r||"cubeDepthTexture"===r||"storageTexture"===r||"texture3D"===r?t:"buffer"===r||"storageBuffer"===r||"indirectStorageBuffer"===r?this.isCustomStruct(e)?t:t+".value":e.groupNode.name+"."+t}return super.getPropertyName(e)}getOutputStructName(){return"output"}getFunctionOperator(e){const t=dC[e];return void 0!==t?(this._include(t),t):null}getNodeAccess(e,t){return"compute"!==t?!0===e.isAtomic?(d("WebGPURenderer: Atomic operations are only supported in compute shaders."),ri.READ_WRITE):ri.READ_ONLY:e.access}getStorageAccess(e,t){return aC[this.getNodeAccess(e,t)]}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);if(void 0===n.uniformGPU){let a;const o=e.groupNode,u=o.name,l=this.getBindGroupArray(u,r);if("texture"===t||"cubeTexture"===t||"cubeDepthTexture"===t||"storageTexture"===t||"texture3D"===t){let s=null;const n=this.getNodeAccess(e,r);"texture"===t||"storageTexture"===t?s=!0===e.value.is3DTexture?new nR(i.name,i.node,o,n):new sR(i.name,i.node,o,n):"cubeTexture"===t||"cubeDepthTexture"===t?s=new iR(i.name,i.node,o,n):"texture3D"===t&&(s=new nR(i.name,i.node,o,n)),s.store=!0===e.isStorageTextureNode,s.mipLevel=s.store?e.mipLevel:0,s.setVisibility(uC[r]);if(!0===e.value.isCubeTexture||!1===this.isUnfilterable(e.value)&&!1===s.store){const e=new qw(`${i.name}_sampler`,i.node,o);e.setVisibility(uC[r]),l.push(e,s),a=[e,s]}else l.push(s),a=[s]}else if("buffer"===t||"storageBuffer"===t||"indirectStorageBuffer"===t){const n=this.getSharedDataFromNode(e);let u=n.buffer;if(void 0===u){u=new("buffer"===t?YS:Kw)(e,o),n.buffer=u}u.setVisibility(u.getVisibility()|uC[r]),l.push(u),a=u,i.name=s||"NodeBuffer_"+i.id}else{let e=this.uniformGroups[u];void 0===e&&(e=new JS(u,o),this.uniformGroups[u]=e),e.setVisibility(e.getVisibility()|uC[r]),-1===l.indexOf(e)&&l.push(e),a=this.getNodeUniform(i,t);const s=a.name;e.uniforms.some(e=>e.name===s)||e.addUniform(a)}n.uniformGPU=a}return i}getBuiltin(e,t,r,s=this.shaderStage){const i=this.builtins[s]||(this.builtins[s]=new Map);return!1===i.has(e)&&i.set(e,{name:e,property:t,type:r}),t}hasBuiltin(e,t=this.shaderStage){return void 0!==this.builtins[t]&&this.builtins[t].has(e)}getVertexIndex(){return"vertex"===this.shaderStage?this.getBuiltin("vertex_index","vertexIndex","u32","attribute"):"vertexIndex"}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(e.name+" : "+this.getType(e.type));let i=`fn ${t.name}( ${s.join(", ")} ) -> ${this.getType(t.type)} {\n${r.vars}\n${r.code}\n`;return r.result&&(i+=`\treturn ${r.result};\n`),i+="\n}\n",i}getInstanceIndex(){return"vertex"===this.shaderStage?this.getBuiltin("instance_index","instanceIndex","u32","attribute"):"instanceIndex"}getInvocationLocalIndex(){return this.getBuiltin("local_invocation_index","invocationLocalIndex","u32","attribute")}getSubgroupSize(){return this.enableSubGroups(),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute")}getInvocationSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_invocation_id","invocationSubgroupIndex","u32","attribute")}getSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_id","subgroupIndex","u32","attribute")}getDrawIndex(){return null}getFrontFacing(){return this.getBuiltin("front_facing","isFront","bool")}getFragCoord(){return this.getBuiltin("position","fragCoord","vec4<f32>")+".xy"}getFragDepth(){return"output."+this.getBuiltin("frag_depth","depth","f32","output")}getClipDistance(){return"varyings.hw_clip_distances"}isFlipY(){return!1}enableDirective(e,t=this.shaderStage){(this.directives[t]||(this.directives[t]=new Set)).add(e)}getDirectives(e){const t=[],r=this.directives[e];if(void 0!==r)for(const e of r)t.push(`enable ${e};`);return t.join("\n")}enableSubGroups(){this.enableDirective("subgroups")}enableSubgroupsF16(){this.enableDirective("subgroups-f16")}enableClipDistances(){this.enableDirective("clip_distances")}enableShaderF16(){this.enableDirective("f16")}enableDualSourceBlending(){this.enableDirective("dual_source_blending")}enableHardwareClipping(e){this.enableClipDistances(),this.getBuiltin("clip_distances","hw_clip_distances",`array<f32, ${e} >`,"vertex")}getBuiltins(e){const t=[],r=this.builtins[e];if(void 0!==r)for(const{name:e,property:s,type:i}of r.values())t.push(`@builtin( ${e} ) ${s} : ${i}`);return t.join(",\n\t")}getScopedArray(e,t,r,s){return!1===this.scopedArrays.has(e)&&this.scopedArrays.set(e,{name:e,scope:t,bufferType:r,bufferCount:s}),e}getScopedArrays(e){if("compute"!==e)return;const t=[];for(const{name:e,scope:r,bufferType:s,bufferCount:i}of this.scopedArrays.values()){const n=this.getType(s);t.push(`var<${r}> ${e}: array< ${n}, ${i} >;`)}return t.join("\n")}getAttributes(e){const t=[];if("compute"===e&&(this.getBuiltin("global_invocation_id","globalId","vec3<u32>","attribute"),this.getBuiltin("workgroup_id","workgroupId","vec3<u32>","attribute"),this.getBuiltin("local_invocation_id","localId","vec3<u32>","attribute"),this.getBuiltin("num_workgroups","numWorkgroups","vec3<u32>","attribute"),this.renderer.hasFeature("subgroups")&&(this.enableDirective("subgroups",e),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute"))),"vertex"===e||"compute"===e){const e=this.getBuiltins("attribute");e&&t.push(e);const r=this.getAttributesArray();for(let e=0,s=r.length;e<s;e++){const s=r[e],i=s.name,n=this.getType(s.type);t.push(`@location( ${e} ) ${i} : ${n}`)}}return t.join(",\n\t")}getStructMembers(e){const t=[];for(const r of e.members){const s=e.output?"@location( "+r.index+" ) ":"";let i=this.getType(r.type);r.atomic&&(i="atomic< "+i+" >"),t.push(`\t${s+r.name} : ${i}`)}return e.output&&t.push(`\t${this.getBuiltins("output")}`),t.join(",\n")}getStructs(e){let t="";const r=this.structs[e];if(r.length>0){const e=[];for(const t of r){let r=`struct ${t.name} {\n`;r+=this.getStructMembers(t),r+="\n};",e.push(r)}t="\n"+e.join("\n\n")+"\n"}return t}getVar(e,t,r=null){let s=`var ${t} : `;return s+=null!==r?this.generateArrayDeclaration(e,r):this.getType(e),s}getVars(e){const t=[],r=this.vars[e];if(void 0!==r)for(const e of r)t.push(`\t${this.getVar(e.type,e.name,e.count)};`);return`\n${t.join("\n")}\n`}getVaryings(e){const t=[];if("vertex"===e&&this.getBuiltin("position","builtinClipSpace","vec4<f32>","vertex"),"vertex"===e||"fragment"===e){const r=this.varyings,s=this.vars[e];for(let i=0;i<r.length;i++){const n=r[i];if(n.needsInterpolation){let e=`@location( ${i} )`;if(n.interpolationType){const t=null!==n.interpolationSampling?`, ${n.interpolationSampling} )`:" )";e+=` @interpolate( ${n.interpolationType}${t}`}else/^(int|uint|ivec|uvec)/.test(n.type)&&(e+=" @interpolate(flat, either)");t.push(`${e} ${n.name} : ${this.getType(n.type)}`)}else"vertex"===e&&!1===s.includes(n)&&s.push(n)}}const r=this.getBuiltins(e);r&&t.push(r);const s=t.join(",\n\t");return"vertex"===e?this._getWGSLStruct("VaryingsStruct","\t"+s):s}isCustomStruct(e){const t=e.value,r=e.node,s=(t.isBufferAttribute||t.isInstancedBufferAttribute)&&null!==r.structTypeNode,i=r.value&&r.value.array&&"number"==typeof r.value.itemSize&&r.value.array.length>r.value.itemSize;return s&&!i}getUniforms(e){const t=this.uniforms[e],r=[],s=[],i=[],n={};for(const i of t){const t=i.groupNode.name,a=this.bindingsIndexes[t];if("texture"===i.type||"cubeTexture"===i.type||"cubeDepthTexture"===i.type||"storageTexture"===i.type||"texture3D"===i.type){const t=i.node.value;let s;(!0===t.isCubeTexture||!1===this.isUnfilterable(t)&&!0!==i.node.isStorageTextureNode)&&(this.isSampleCompare(t)?r.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var ${i.name}_sampler : sampler_comparison;`):r.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var ${i.name}_sampler : sampler;`));let n="";const{primarySamples:o}=this.renderer.backend.utils.getTextureSampleData(t);if(o>1&&(n="_multisampled"),!0===t.isCubeTexture&&!0===t.isDepthTexture)s="texture_depth_cube";else if(!0===t.isCubeTexture)s="texture_cube<f32>";else if(!0===t.isDepthTexture)s=this.renderer.backend.compatibilityMode&&null===t.compareFunction?`texture${n}_2d<f32>`:`texture_depth${n}_2d${!0===t.isArrayTexture?"_array":""}`;else if(!0===i.node.isStorageTextureNode){const r=eC(t),n=this.getStorageAccess(i.node,e),a=i.node.value.is3DTexture,o=i.node.value.isArrayTexture;s=`texture_storage_${a?"3d":"2d"+(o?"_array":"")}<${r}, ${n}>`}else if(!0===t.isArrayTexture||!0===t.isDataArrayTexture||!0===t.isCompressedArrayTexture)s="texture_2d_array<f32>";else if(!0===t.is3DTexture||!0===t.isData3DTexture)s="texture_3d<f32>";else{s=`texture${n}_2d<${this.getComponentTypeFromTexture(t).charAt(0)}32>`}r.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var ${i.name} : ${s};`)}else if("buffer"===i.type||"storageBuffer"===i.type||"indirectStorageBuffer"===i.type){const t=i.node,r=this.getType(t.getNodeType(this)),n=t.bufferCount,o=n>0&&"buffer"===i.type?", "+n:"",u=t.isStorageBufferNode?`storage, ${this.getStorageAccess(t,e)}`:"uniform";if(this.isCustomStruct(i))s.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var<${u}> ${i.name} : ${r};`);else{const e=`\tvalue : array< ${t.isAtomic?`atomic<${r}>`:`${r}`}${o} >`;s.push(this._getWGSLStructBinding(i.name,e,u,a.binding++,a.group))}}else{const e=i.groupNode.name;if(void 0===n[e]){const t=this.uniformGroups[e];if(void 0!==t){const r=[];for(const e of t.uniforms){const t=e.getType(),s=this.getType(this.getVectorType(t));r.push(`\t${e.name} : ${s}`)}let s=this.uniformGroupsBindings[e];void 0===s&&(s={index:a.binding++,id:a.group},this.uniformGroupsBindings[e]=s),n[e]={index:s.index,id:s.id,snippets:r}}}}}for(const e in n){const t=n[e];i.push(this._getWGSLStructBinding(e,t.snippets.join(",\n"),"uniform",t.index,t.id))}return[...r,...s,...i].join("\n")}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){this.shaderStage=t;const r=e[t];r.uniforms=this.getUniforms(t),r.attributes=this.getAttributes(t),r.varyings=this.getVaryings(t),r.structs=this.getStructs(t),r.vars=this.getVars(t),r.codes=this.getCodes(t),r.directives=this.getDirectives(t),r.scopedArrays=this.getScopedArrays(t);let s="// code\n\n";s+=this.flowCode[t];const i=this.flowNodes[t],n=i[i.length-1],a=n.outputNode,o=void 0!==a&&!0===a.isOutputStructNode;for(const e of i){const i=this.getFlowData(e),u=e.name;if(u&&(s.length>0&&(s+="\n"),s+=`\t// flow -> ${u}\n`),s+=`${i.code}\n\t`,e===n&&"compute"!==t)if(s+="// result\n\n\t","vertex"===t)s+=`varyings.builtinClipSpace = ${i.result};`;else if("fragment"===t)if(o)r.returnType=a.getNodeType(this),r.structs+="var<private> output : "+r.returnType+";",s+=`return ${i.result};`;else{let e="\t@location(0) color: vec4<f32>";const t=this.getBuiltins("output");t&&(e+=",\n\t"+t),r.returnType="OutputStruct",r.structs+=this._getWGSLStruct("OutputStruct",e),r.structs+="\nvar<private> output : OutputStruct;",s+=`output.color = ${i.result};\n\n\treturn output;`}}r.flow=s}if(this.shaderStage=null,null!==this.material)this.vertexShader=this._getWGSLVertexCode(e.vertex),this.fragmentShader=this._getWGSLFragmentCode(e.fragment);else{const t=this.object.workgroupSize;this.computeShader=this._getWGSLComputeCode(e.compute,t)}}getMethod(e,t=null){let r;return null!==t&&(r=this._getWGSLMethod(e+"_"+t)),void 0===r&&(r=this._getWGSLMethod(e)),r||e}getBitcastMethod(e){return`bitcast<${this.getType(e)}>`}getFloatPackingMethod(e){return this.getMethod(`floatpack_${e}_2x16`)}getFloatUnpackingMethod(e){return this.getMethod(`floatunpack_${e}_2x16`)}getTernary(e,t,r){return`select( ${r}, ${t}, ${e} )`}getType(e){return cC[e]||e}isAvailable(e){let t=lC[e];return void 0===t&&("float32Filterable"===e?t=this.renderer.hasFeature("float32-filterable"):"clipDistance"===e&&(t=this.renderer.hasFeature("clip-distances")),lC[e]=t),t}getUniformBufferLimit(){return this.renderer.backend.device.limits.maxUniformBufferBindingSize}_getWGSLMethod(e){return void 0!==pC[e]&&this._include(e),gC[e]}_include(e){const t=pC[e];return t.build(this),this.addInclude(t),t}_getWGSLVertexCode(e){return`${this.getSignature()}\n// directives\n${e.directives}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\nvar<private> varyings : VaryingsStruct;\n\n// codes\n${e.codes}\n\n@vertex\nfn main( ${e.attributes} ) -> VaryingsStruct {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n\treturn varyings;\n\n}\n`}_getWGSLFragmentCode(e){return`${this.getSignature()}\n// global\n${mC}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// codes\n${e.codes}\n\n@fragment\nfn main( ${e.varyings} ) -> ${e.returnType} {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLComputeCode(e,t){const[r,s,i]=t;return`${this.getSignature()}\n// directives\n${e.directives}\n\n// system\nvar<private> instanceIndex : u32;\n\n// locals\n${e.scopedArrays}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// codes\n${e.codes}\n\n@compute @workgroup_size( ${r}, ${s}, ${i} )\nfn main( ${e.attributes} ) {\n\n\t// system\n\tinstanceIndex = globalId.x\n\t\t+ globalId.y * ( ${r} * numWorkgroups.x )\n\t\t+ globalId.z * ( ${r} * numWorkgroups.x ) * ( ${s} * numWorkgroups.y );\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLStruct(e,t){return`\nstruct ${e} {\n${t}\n};`}_getWGSLStructBinding(e,t,r,s=0,i=0){const n=e+"Struct";return`${this._getWGSLStruct(n,t)}\n@binding( ${s} ) @group( ${i} )\nvar<${r}> ${e} : ${n};`}}class yC{constructor(e){this.backend=e}getCurrentDepthStencilFormat(e){let t;return e.depth&&(t=null!==e.depthTexture?this.getTextureFormatGPU(e.depthTexture):e.stencil?$E:zE),t}getTextureFormatGPU(e){return this.backend.get(e).format}getTextureSampleData(e){let t;if(e.isFramebufferTexture)t=1;else if(e.isDepthTexture&&!e.renderTarget){const e=this.backend.renderer,r=e.getRenderTarget();t=r?r.samples:e.currentSamples}else e.renderTarget&&(t=e.renderTarget.samples);t=t||1;const r=t>1&&null!==e.renderTarget&&!0!==e.isDepthTexture&&!0!==e.isFramebufferTexture;return{samples:t,primarySamples:r?1:t,isMSAA:r}}getCurrentColorFormat(e){let t;return t=null!==e.textures?this.getTextureFormatGPU(e.textures[0]):this.getPreferredCanvasFormat(),t}getCurrentColorFormats(e){return null!==e.textures?e.textures.map(e=>this.getTextureFormatGPU(e)):[this.getPreferredCanvasFormat()]}getCurrentColorSpace(e){return null!==e.textures?e.textures[0].colorSpace:this.backend.renderer.outputColorSpace}getPrimitiveTopology(e,t){return e.isPoints?IR:e.isLineSegments||e.isMesh&&!0===t.wireframe?OR:e.isLine?VR:e.isMesh?kR:void 0}getSampleCount(e){return e>=4?4:1}getSampleCountRenderContext(e){return null!==e.textures?this.getSampleCount(e.sampleCount):this.getSampleCount(this.backend.renderer.currentSamples)}getPreferredCanvasFormat(){const e=this.backend.parameters.outputType;if(void 0===e)return navigator.gpu.getPreferredCanvasFormat();if(e===Ve)return AE;if(e===be)return IE;throw new Error("Unsupported output buffer type.")}}const bC=new Map([[Int8Array,["sint8","snorm8"]],[Uint8Array,["uint8","unorm8"]],[Int16Array,["sint16","snorm16"]],[Uint16Array,["uint16","unorm16"]],[Int32Array,["sint32","snorm32"]],[Uint32Array,["uint32","unorm32"]],[Float32Array,["float32"]]]);"undefined"!=typeof Float16Array&&bC.set(Float16Array,["float16"]);const xC=new Map([[at,["float16"]]]),TC=new Map([[Int32Array,"sint32"],[Int16Array,"sint32"],[Uint32Array,"uint32"],[Uint16Array,"uint32"],[Float32Array,"float32"]]);class _C{constructor(e){this.backend=e}createAttribute(e,t){const r=this._getBufferAttribute(e),s=this.backend,i=s.get(r);let n=i.buffer;if(void 0===n){const a=s.device;let o=r.array;if(!1===e.normalized)if(o.constructor===Int16Array||o.constructor===Int8Array)o=new Int32Array(o);else if((o.constructor===Uint16Array||o.constructor===Uint8Array)&&(o=new Uint32Array(o),t&GPUBufferUsage.INDEX))for(let e=0;e<o.length;e++)65535===o[e]&&(o[e]=4294967295);if(r.array=o,(r.isStorageBufferAttribute||r.isStorageInstancedBufferAttribute)&&3===r.itemSize){o=new o.constructor(4*r.count);for(let e=0;e<r.count;e++)o.set(r.array.subarray(3*e,3*e+3),4*e);r.itemSize=4,r.array=o,i._force3to4BytesAlignment=!0}const u=o.byteLength,l=u+(4-u%4)%4;n=a.createBuffer({label:r.name,size:l,usage:t,mappedAtCreation:!0}),new o.constructor(n.getMappedRange()).set(o),n.unmap(),i.buffer=n}}updateAttribute(e){const t=this._getBufferAttribute(e),r=this.backend,s=r.device,i=r.get(t),n=r.get(t).buffer;let a=t.array;if(!0===i._force3to4BytesAlignment){a=new a.constructor(4*t.count);for(let e=0;e<t.count;e++)a.set(t.array.subarray(3*e,3*e+3),4*e);t.array=a}const o=t.updateRanges;if(0===o.length)s.queue.writeBuffer(n,0,a,0);else{const e=Xr(a),r=e?1:a.BYTES_PER_ELEMENT;for(let t=0,u=o.length;t<u;t++){const u=o[t];let l,d;if(!0===i._force3to4BytesAlignment){l=4*Math.floor(u.start/3)*r,d=4*Math.ceil(u.count/3)*r}else l=u.start*r,d=u.count*r;const c=l*(e?a.BYTES_PER_ELEMENT:1);s.queue.writeBuffer(n,c,a,l,d)}t.clearUpdateRanges()}}createShaderVertexBuffers(e){const t=e.getAttributes(),r=new Map;for(let e=0;e<t.length;e++){const s=t[e],i=s.array.BYTES_PER_ELEMENT,n=this._getBufferAttribute(s);let a=r.get(n);if(void 0===a){let e,t;!0===s.isInterleavedBufferAttribute?(e=s.data.stride*i,t=s.data.isInstancedInterleavedBuffer?$w:zw):(e=s.itemSize*i,t=s.isInstancedBufferAttribute?$w:zw),!1!==s.normalized||s.array.constructor!==Int16Array&&s.array.constructor!==Uint16Array||(e=4),a={arrayStride:e,attributes:[],stepMode:t},r.set(n,a)}const o=this._getVertexFormat(s),u=!0===s.isInterleavedBufferAttribute?s.offset*i:0;a.attributes.push({shaderLocation:e,offset:u,format:o})}return Array.from(r.values())}destroyAttribute(e){const t=this.backend;t.get(this._getBufferAttribute(e)).buffer.destroy(),t.delete(e)}async getArrayBufferAsync(e){const t=this.backend,r=t.device,s=t.get(this._getBufferAttribute(e)).buffer,i=s.size,n=r.createBuffer({label:`${e.name}_readback`,size:i,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ}),a=r.createCommandEncoder({label:`readback_encoder_${e.name}`});a.copyBufferToBuffer(s,0,n,0,i);const o=a.finish();r.queue.submit([o]),await n.mapAsync(GPUMapMode.READ);const u=n.getMappedRange(),l=new e.array.constructor(u.slice(0));return n.unmap(),l.buffer}_getVertexFormat(e){const{itemSize:t,normalized:r}=e,s=e.array.constructor,i=e.constructor;let n;if(1===t)n=TC.get(s);else{const e=(xC.get(i)||bC.get(s))[r?1:0];if(e){const r=s.BYTES_PER_ELEMENT*t,i=4*Math.floor((r+3)/4)/s.BYTES_PER_ELEMENT;if(i%1)throw new Error("THREE.WebGPUAttributeUtils: Bad vertex format item size.");n=`${e}x${i}`}}return n||o("WebGPUAttributeUtils: Vertex format not supported yet."),n}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}class vC{constructor(e){this.layoutGPU=e,this.usedTimes=0}}class NC{constructor(e){this.backend=e,this._bindGroupLayoutCache=new Map}createBindingsLayout(e){const t=this.backend,r=t.device,s=t.get(e),i=this._createLayoutEntries(e),n=Is(JSON.stringify(i));let a=!1;if(s.layout){if(s.layoutHash===n)return s.layout.layoutGPU;s.layout.usedTimes--,0===s.layout.usedTimes&&this._bindGroupLayoutCache.delete(s.layoutHash),s.layout=void 0,s.layoutHash=void 0,a=!0}let o=this._bindGroupLayoutCache.get(n);return void 0===o&&(o=new vC(r.createBindGroupLayout({entries:i})),this._bindGroupLayoutCache.set(n,o)),o.usedTimes++,s.layout=o,s.layoutHash=n,a&&(s.group=this.createBindGroup(e,o.layoutGPU)),o.layoutGPU}createBindings(e,t,r,s=0){const{backend:i}=this,n=i.get(e),a=this.createBindingsLayout(e);let o;r>0&&(void 0===n.groups&&(n.groups=[],n.versions=[]),n.versions[r]===s&&(o=n.groups[r])),void 0===o&&(o=this.createBindGroup(e,a),r>0&&(n.groups[r]=o,n.versions[r]=s)),n.group=o}updateBinding(e){const t=this.backend,r=t.device,s=e.buffer,i=t.get(e).buffer,n=e.updateRanges;if(0===n.length)r.queue.writeBuffer(i,0,s,0);else{const e=Xr(s),t=e?1:s.BYTES_PER_ELEMENT;for(let a=0,o=n.length;a<o;a++){const o=n[a],u=o.start*t,l=o.count*t,d=u*(e?s.BYTES_PER_ELEMENT:1);r.queue.writeBuffer(i,d,s,u,l)}}}createBindGroupIndex(e,t){const r=this.backend.device,s=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,i=e[0],n=r.createBuffer({label:"bindingCameraIndex_"+i,size:16,usage:s});r.queue.writeBuffer(n,0,e,0);const a=[{binding:0,resource:{buffer:n}}];return r.createBindGroup({label:"bindGroupCameraIndex_"+i,layout:t,entries:a})}createBindGroup(e,t){const r=this.backend,s=r.device;let i=0;const n=[];for(const t of e.bindings){if(t.isUniformBuffer){const e=r.get(t);if(void 0===e.buffer){const r=t.byteLength,i=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,n=[];t.visibility&GR.VERTEX&&n.push("vertex"),t.visibility&GR.FRAGMENT&&n.push("fragment"),t.visibility&GR.COMPUTE&&n.push("compute");const a=`(${n.join(",")})`,o=s.createBuffer({label:`bindingBuffer${t.id}_${t.name}_${a}`,size:r,usage:i});e.buffer=o}n.push({binding:i,resource:{buffer:e.buffer}})}else if(t.isStorageBuffer){const e=r.get(t.attribute).buffer;n.push({binding:i,resource:{buffer:e}})}else if(t.isSampledTexture){const e=r.get(t.texture);let a;if(void 0!==e.externalTexture)a=s.importExternalTexture({source:e.externalTexture});else{const r=t.store?1:e.texture.mipLevelCount,s=t.store?t.mipLevel:0;let i=`view-${e.texture.width}-${e.texture.height}`;if(e.texture.depthOrArrayLayers>1&&(i+=`-${e.texture.depthOrArrayLayers}`),i+=`-${r}-${s}`,a=e[i],void 0===a){const n=Gw;let o;o=t.isSampledCubeTexture?Vw:t.isSampledTexture3D?kw:t.texture.isArrayTexture||t.texture.isDataArrayTexture||t.texture.isCompressedArrayTexture?Ow:Iw,a=e[i]=e.texture.createView({aspect:n,dimension:o,mipLevelCount:r,baseMipLevel:s})}}n.push({binding:i,resource:a})}else if(t.isSampler){const e=r.get(t.texture);n.push({binding:i,resource:e.sampler})}i++}return s.createBindGroup({label:"bindGroup_"+e.name,layout:t,entries:n})}_createLayoutEntries(e){const t=[];let r=0;for(const s of e.bindings){const e=this.backend,i={binding:r,visibility:s.visibility};if(s.isUniformBuffer||s.isStorageBuffer){const e={};s.isStorageBuffer&&(s.visibility&GR.COMPUTE&&(s.access===ri.READ_WRITE||s.access===ri.WRITE_ONLY)?e.type=Nw:e.type=Sw),i.buffer=e}else if(s.isSampledTexture&&s.store){const e={};e.format=this.backend.get(s.texture).texture.format;const t=s.access;e.access=t===ri.READ_WRITE?Aw:t===ri.WRITE_ONLY?Rw:Ew,s.texture.isArrayTexture?e.viewDimension=Ow:s.texture.is3DTexture&&(e.viewDimension=kw),i.storageTexture=e}else if(s.isSampledTexture){const t={},{primarySamples:r}=e.utils.getTextureSampleData(s.texture);if(r>1&&(t.multisampled=!0,s.texture.isDepthTexture||(t.sampleType=Bw)),s.texture.isDepthTexture)e.compatibilityMode&&null===s.texture.compareFunction?t.sampleType=Bw:t.sampleType=Fw;else if(s.texture.isDataTexture||s.texture.isDataArrayTexture||s.texture.isData3DTexture){const e=s.texture.type;e===R?t.sampleType=Lw:e===S?t.sampleType=Pw:e===j&&(this.backend.hasFeature("float32-filterable")?t.sampleType=Mw:t.sampleType=Bw)}s.isSampledCubeTexture?t.viewDimension=Vw:s.texture.isArrayTexture||s.texture.isDataArrayTexture||s.texture.isCompressedArrayTexture?t.viewDimension=Ow:s.isSampledTexture3D&&(t.viewDimension=kw),i.texture=t}else if(s.isSampler){const t={};s.texture.isDepthTexture&&(null!==s.texture.compareFunction&&e.hasCompatibility(E.TEXTURE_COMPARE)?t.type=Cw:t.type=ww),i.sampler=t}else o(`WebGPUBindingUtils: Unsupported binding "${s}".`);t.push(i),r++}return t}deleteBindGroupData(e){const{backend:t}=this,r=t.get(e);r.layout&&(r.layout.usedTimes--,0===r.layout.usedTimes&&this._bindGroupLayoutCache.delete(r.layoutHash),r.layout=void 0,r.layoutHash=void 0)}dispose(){this._bindGroupLayoutCache.clear()}}class SC{constructor(e){this.backend=e,this._activePipelines=new WeakMap}setPipeline(e,t){this._activePipelines.get(e)!==t&&(e.setPipeline(t),this._activePipelines.set(e,t))}_getSampleCount(e){return this.backend.utils.getSampleCountRenderContext(e)}createRenderPipeline(e,t){const{object:r,material:s,geometry:i,pipeline:n}=e,{vertexProgram:a,fragmentProgram:u}=n,l=this.backend,d=l.device,c=l.utils,h=l.get(n),p=[];for(const t of e.getBindings()){const e=l.bindingUtils.createBindingsLayout(t);p.push(e)}const g=l.attributeUtils.createShaderVertexBuffers(e);let m;s.blending===ee||s.blending===ke&&!1===s.transparent||(m=this._getBlending(s));let f={};!0===s.stencilWrite&&(f={compare:this._getStencilCompare(s),failOp:this._getStencilOperation(s.stencilFail),depthFailOp:this._getStencilOperation(s.stencilZFail),passOp:this._getStencilOperation(s.stencilZPass)});const y=this._getColorWriteMask(s),b=[];if(null!==e.context.textures){const t=e.context.textures,r=e.context.mrt;for(let e=0;e<t.length;e++){const s=t[e],i=c.getTextureFormatGPU(s);let n;if(null!==r)if(!0!==this.backend.compatibilityMode){const e=r.getBlendMode(s.name);e.blending===We?n=m:e.blending!==ee&&(n=this._getBlending(e))}else v("WebGPURenderer: Multiple Render Targets (MRT) blending configuration is not fully supported in compatibility mode. The material blending will be used for all render targets."),n=m;else n=m;b.push({format:i,blend:n,writeMask:y})}}else{const t=c.getCurrentColorFormat(e.context);b.push({format:t,blend:m,writeMask:y})}const x=l.get(a).module,T=l.get(u).module,_=this._getPrimitiveState(r,i,s),N=this._getDepthCompare(s),S=c.getCurrentDepthStencilFormat(e.context),R=this._getSampleCount(e.context),E={label:`renderPipeline_${s.name||s.type}_${s.id}`,vertex:Object.assign({},x,{buffers:g}),fragment:Object.assign({},T,{targets:b}),primitive:_,multisample:{count:R,alphaToCoverageEnabled:s.alphaToCoverage&&R>1},layout:d.createPipelineLayout({bindGroupLayouts:p})},A={},w=e.context.depth,C=e.context.stencil;if(!0!==w&&!0!==C||(!0===w&&(A.format=S,A.depthWriteEnabled=s.depthWrite,A.depthCompare=N),!0===C&&(A.stencilFront=f,A.stencilBack={},A.stencilReadMask=s.stencilFuncMask,A.stencilWriteMask=s.stencilWriteMask),!0===s.polygonOffset&&(A.depthBias=s.polygonOffsetUnits,A.depthBiasSlopeScale=s.polygonOffsetFactor,A.depthBiasClamp=0),E.depthStencil=A),d.pushErrorScope("validation"),null===t)h.pipeline=d.createRenderPipeline(E),d.popErrorScope().then(e=>{null!==e&&(h.error=!0,o(e.message))});else{const e=new Promise(async e=>{try{h.pipeline=await d.createRenderPipelineAsync(E)}catch(e){}const t=await d.popErrorScope();null!==t&&(h.error=!0,o(t.message)),e()});t.push(e)}}createBundleEncoder(e,t="renderBundleEncoder"){const r=this.backend,{utils:s,device:i}=r,n=s.getCurrentDepthStencilFormat(e),a={label:t,colorFormats:s.getCurrentColorFormats(e),depthStencilFormat:n,sampleCount:this._getSampleCount(e)};return i.createRenderBundleEncoder(a)}createComputePipeline(e,t){const r=this.backend,s=r.device,i=r.get(e.computeProgram).module,n=r.get(e),a=[];for(const e of t){const t=r.bindingUtils.createBindingsLayout(e);a.push(t)}n.pipeline=s.createComputePipeline({compute:i,layout:s.createPipelineLayout({bindGroupLayouts:a})})}_getBlending(e){let t,r;const s=e.blending,i=e.blendSrc,n=e.blendDst,a=e.blendEquation;if(s===ct){const s=null!==e.blendSrcAlpha?e.blendSrcAlpha:i,o=null!==e.blendDstAlpha?e.blendDstAlpha:n,u=null!==e.blendEquationAlpha?e.blendEquationAlpha:a;t={srcFactor:this._getBlendFactor(i),dstFactor:this._getBlendFactor(n),operation:this._getBlendOperation(a)},r={srcFactor:this._getBlendFactor(s),dstFactor:this._getBlendFactor(o),operation:this._getBlendOperation(u)}}else{const i=(e,s,i,n)=>{t={srcFactor:e,dstFactor:s,operation:uw},r={srcFactor:i,dstFactor:n,operation:uw}};if(e.premultipliedAlpha)switch(s){case ke:i(YA,ew,YA,ew);break;case Ht:i(YA,YA,YA,YA);break;case Wt:i(KA,ZA,KA,YA);break;case $t:i(tw,ew,KA,YA)}else switch(s){case ke:i(JA,ew,YA,ew);break;case Ht:i(JA,YA,YA,YA);break;case Wt:o(`WebGPURenderer: "SubtractiveBlending" requires "${e.isMaterial?"material":"blendMode"}.premultipliedAlpha = true".`);break;case $t:o(`WebGPURenderer: "MultiplyBlending" requires "${e.isMaterial?"material":"blendMode"}.premultipliedAlpha = true".`)}}if(void 0!==t&&void 0!==r)return{color:t,alpha:r};o("WebGPURenderer: Invalid blending: ",s)}_getBlendFactor(e){let t;switch(e){case ht:t=KA;break;case Vt:t=YA;break;case Ot:t=QA;break;case Pt:t=ZA;break;case Ge:t=JA;break;case ze:t=ew;break;case Ut:t=tw;break;case Lt:t=rw;break;case Dt:t=sw;break;case Ft:t=iw;break;case It:t=nw;break;case 211:t=aw;break;case 212:t=ow;break;default:o("WebGPURenderer: Blend factor not supported.",e)}return t}_getStencilCompare(e){let t;const r=e.stencilFunc;switch(r){case rs:t=zR;break;case ts:t=KR;break;case es:t=$R;break;case Jr:t=HR;break;case Zr:t=WR;break;case Qr:t=XR;break;case Yr:t=qR;break;case Kr:t=jR;break;default:o("WebGPURenderer: Invalid stencil function.",r)}return t}_getStencilOperation(e){let t;switch(e){case ds:t=mw;break;case ls:t=fw;break;case us:t=yw;break;case os:t=bw;break;case as:t=xw;break;case ns:t=Tw;break;case is:t=_w;break;case ss:t=vw;break;default:o("WebGPURenderer: Invalid stencil operation.",t)}return t}_getBlendOperation(e){let t;switch(e){case $e:t=uw;break;case Bt:t=lw;break;case Mt:t=dw;break;case hs:t=cw;break;case cs:t=hw;break;default:o("WebGPUPipelineUtils: Blend equation not supported.",e)}return t}_getPrimitiveState(e,t,r){const s={},i=this.backend.utils;s.topology=i.getPrimitiveTopology(e,r),null!==t.index&&!0===e.isLine&&!0!==e.isLineSegments&&(s.stripIndexFormat=t.index.array instanceof Uint16Array?sE:iE);let n=r.side===M;return e.isMesh&&e.matrixWorld.determinant()<0&&(n=!n),s.frontFace=!0===n?eE:JR,s.cullMode=r.side===B?tE:rE,s}_getColorWriteMask(e){return!0===e.colorWrite?gw:pw}_getDepthCompare(e){let t;if(!1===e.depthTest)t=this.backend.parameters.reversedDepthBuffer?zR:KR;else{const r=this.backend.parameters.reversedDepthBuffer?er[e.depthFunc]:e.depthFunc;switch(r){case Jt:t=zR;break;case Zt:t=KR;break;case Qt:t=$R;break;case Yt:t=HR;break;case Kt:t=WR;break;case Xt:t=XR;break;case jt:t=qR;break;case qt:t=jR;break;default:o("WebGPUPipelineUtils: Invalid depth function.",r)}}return t}}class RC extends PR{constructor(e,t,r=2048){super(r),this.device=e,this.type=t,this.querySet=this.device.createQuerySet({type:"timestamp",count:this.maxQueries,label:`queryset_global_timestamp_${t}`});const s=8*this.maxQueries;this.resolveBuffer=this.device.createBuffer({label:`buffer_timestamp_resolve_${t}`,size:s,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),this.resultBuffer=this.device.createBuffer({label:`buffer_timestamp_result_${t}`,size:s,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ})}allocateQueriesForContext(e){if(!this.trackTimestamp||this.isDisposed)return null;if(this.currentQueryIndex+2>this.maxQueries)return v(`WebGPUTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryOffsets.set(e,t),t}async resolveQueriesAsync(){if(!this.trackTimestamp||0===this.currentQueryIndex||this.isDisposed)return this.lastValue;if(this.pendingResolve)return this.pendingResolve;this.pendingResolve=this._resolveQueries();try{return await this.pendingResolve}finally{this.pendingResolve=null}}async _resolveQueries(){if(this.isDisposed)return this.lastValue;try{if("unmapped"!==this.resultBuffer.mapState)return this.lastValue;const e=new Map(this.queryOffsets),t=this.currentQueryIndex,r=8*t;this.currentQueryIndex=0,this.queryOffsets.clear();const s=this.device.createCommandEncoder();s.resolveQuerySet(this.querySet,0,t,this.resolveBuffer,0),s.copyBufferToBuffer(this.resolveBuffer,0,this.resultBuffer,0,r);const i=s.finish();if(this.device.queue.submit([i]),"unmapped"!==this.resultBuffer.mapState)return this.lastValue;if(await this.resultBuffer.mapAsync(GPUMapMode.READ,0,r),this.isDisposed)return"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue;const n=new BigUint64Array(this.resultBuffer.getMappedRange(0,r)),a={},o=[];for(const[t,r]of e){const e=t.match(/^(.*):f(\d+)$/),s=parseInt(e[2]);!1===o.includes(s)&&o.push(s),void 0===a[s]&&(a[s]=0);const i=n[r],u=n[r+1],l=Number(u-i)/1e6;this.timestamps.set(t,l),a[s]+=l}const u=a[o[o.length-1]];return this.resultBuffer.unmap(),this.lastValue=u,this.frames=o,u}catch(e){return o("Error resolving queries:",e),"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue}}async dispose(){if(!this.isDisposed){if(this.isDisposed=!0,this.pendingResolve)try{await this.pendingResolve}catch(e){o("Error waiting for pending resolve:",e)}if(this.resultBuffer&&"mapped"===this.resultBuffer.mapState)try{this.resultBuffer.unmap()}catch(e){o("Error unmapping buffer:",e)}this.querySet&&(this.querySet.destroy(),this.querySet=null),this.resolveBuffer&&(this.resolveBuffer.destroy(),this.resolveBuffer=null),this.resultBuffer&&(this.resultBuffer.destroy(),this.resultBuffer=null),this.queryOffsets.clear(),this.pendingResolve=null}}}class EC extends fR{constructor(e={}){super(e),this.isWebGPUBackend=!0,this.parameters.alpha=void 0===e.alpha||e.alpha,this.parameters.requiredLimits=void 0===e.requiredLimits?{}:e.requiredLimits,this.compatibilityMode=null,this.device=null,this.defaultRenderPassdescriptor=null,this.utils=new yC(this),this.attributeUtils=new _C(this),this.bindingUtils=new NC(this),this.pipelineUtils=new SC(this),this.textureUtils=new Jw(this),this.occludedResolveCache=new Map;const t="undefined"==typeof navigator||!1===/Android/.test(navigator.userAgent);this._compatibility={[E.TEXTURE_COMPARE]:t}}async init(e){await super.init(e);const t=this.parameters;let r;if(void 0===t.device){const e={powerPreference:t.powerPreference,featureLevel:"compatibility"},s="undefined"!=typeof navigator?await navigator.gpu.requestAdapter(e):null;if(null===s)throw new Error("WebGPUBackend: Unable to create WebGPU adapter.");const i=Object.values(Ww),n=[];for(const e of i)s.features.has(e)&&n.push(e);const a={requiredFeatures:n,requiredLimits:t.requiredLimits};r=await s.requestDevice(a)}else r=t.device;this.compatibilityMode=!r.features.has("core-features-and-limits"),this.compatibilityMode&&(e._samples=0),r.lost.then(t=>{if("destroyed"===t.reason)return;const r={api:"WebGPU",message:t.message||"Unknown reason",reason:t.reason||null,originalEvent:t};e.onDeviceLost(r)}),this.device=r,this.trackTimestamp=this.trackTimestamp&&this.hasFeature(Ww.TimestampQuery),this.updateSize()}get context(){const e=this.renderer.getCanvasTarget(),t=this.get(e);let r=t.context;if(void 0===r){const s=this.parameters;r=!0===e.isDefaultCanvasTarget&&void 0!==s.context?s.context:e.domElement.getContext("webgpu"),"setAttribute"in e.domElement&&e.domElement.setAttribute("data-engine",`three.js r${ot} webgpu`);const i=s.alpha?"premultiplied":"opaque",n=s.outputType===be?"extended":"standard";r.configure({device:this.device,format:this.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC,alphaMode:i,toneMapping:{mode:n}}),t.context=r}return r}get coordinateSystem(){return h}async getArrayBufferAsync(e){return await this.attributeUtils.getArrayBufferAsync(e)}getContext(){return this.context}_getDefaultRenderPassDescriptor(){const e=this.renderer,t=e.getCanvasTarget(),r=this.get(t),s=e.currentSamples;let i=r.descriptor;if(void 0===i||r.samples!==s){i={colorAttachments:[{view:null}]},!0!==e.depth&&!0!==e.stencil||(i.depthStencilAttachment={view:this.textureUtils.getDepthBuffer(e.depth,e.stencil).createView()});const t=i.colorAttachments[0];s>0?t.view=this.textureUtils.getColorBuffer().createView():t.resolveTarget=void 0,r.descriptor=i,r.samples=s}const n=i.colorAttachments[0];return s>0?n.resolveTarget=this.context.getCurrentTexture().createView():n.view=this.context.getCurrentTexture().createView(),i}_isRenderCameraDepthArray(e){return e.depthTexture&&e.depthTexture.image.depth>1&&e.camera.isArrayCamera}_getRenderPassDescriptor(e,t={}){const r=e.renderTarget,s=this.get(r);let i=s.descriptors;void 0!==i&&s.width===r.width&&s.height===r.height&&s.samples===r.samples||(i={},s.descriptors=i);const n=e.getCacheKey();let a=i[n];if(void 0===a){const t=e.textures,o=[];let u;const l=this._isRenderCameraDepthArray(e);for(let s=0;s<t.length;s++){const i=this.get(t[s]),n={label:`colorAttachment_${s}`,baseMipLevel:e.activeMipmapLevel,mipLevelCount:1,baseArrayLayer:e.activeCubeFace,arrayLayerCount:1,dimension:Iw};if(r.isRenderTarget3D)u=e.activeCubeFace,n.baseArrayLayer=0,n.dimension=kw,n.depthOrArrayLayers=t[s].image.depth;else if(r.isRenderTarget&&t[s].image.depth>1)if(!0===l){const t=e.camera.cameras;for(let e=0;e<t.length;e++){const t={...n,baseArrayLayer:e,arrayLayerCount:1,dimension:Iw},r=i.texture.createView(t);o.push({view:r,resolveTarget:void 0,depthSlice:void 0})}}else n.dimension=Ow,n.depthOrArrayLayers=t[s].image.depth;if(!0!==l){const e=i.texture.createView(n);let t,r;void 0!==i.msaaTexture?(t=i.msaaTexture.createView(),r=e):(t=e,r=void 0),o.push({view:t,resolveTarget:r,depthSlice:u})}}if(a={textureViews:o},e.depth){const t=this.get(e.depthTexture),r={};(e.depthTexture.isArrayTexture||e.depthTexture.isCubeTexture)&&(r.dimension=Iw,r.arrayLayerCount=1,r.baseArrayLayer=e.activeCubeFace),a.depthStencilView=t.texture.createView(r)}i[n]=a,s.width=r.width,s.height=r.height,s.samples=r.samples,s.activeMipmapLevel=e.activeMipmapLevel,s.activeCubeFace=e.activeCubeFace}const o={colorAttachments:[]};for(let e=0;e<a.textureViews.length;e++){const r=a.textureViews[e];let s={r:0,g:0,b:0,a:1};0===e&&t.clearValue&&(s=t.clearValue),o.colorAttachments.push({view:r.view,depthSlice:r.depthSlice,resolveTarget:r.resolveTarget,loadOp:t.loadOp||QR,storeOp:t.storeOp||YR,clearValue:s})}return a.depthStencilView&&(o.depthStencilAttachment={view:a.depthStencilView}),o}beginRender(e){const t=this.get(e),r=this.device,s=e.occlusionQueryCount;let i,n;s>0&&(t.currentOcclusionQuerySet&&t.currentOcclusionQuerySet.destroy(),t.currentOcclusionQueryBuffer&&t.currentOcclusionQueryBuffer.destroy(),t.currentOcclusionQuerySet=t.occlusionQuerySet,t.currentOcclusionQueryBuffer=t.occlusionQueryBuffer,t.currentOcclusionQueryObjects=t.occlusionQueryObjects,i=r.createQuerySet({type:"occlusion",count:s,label:`occlusionQuerySet_${e.id}`}),t.occlusionQuerySet=i,t.occlusionQueryIndex=0,t.occlusionQueryObjects=new Array(s),t.lastOcclusionObject=null),n=null===e.textures?this._getDefaultRenderPassDescriptor():this._getRenderPassDescriptor(e,{loadOp:QR}),this.initTimestampQuery(wt.RENDER,this.getTimestampUID(e),n),n.occlusionQuerySet=i;const a=n.depthStencilAttachment;if(null!==e.textures){const t=n.colorAttachments;for(let r=0;r<t.length;r++){const s=t[r];e.clearColor?(s.clearValue=0===r?e.clearColorValue:{r:0,g:0,b:0,a:1},s.loadOp=ZR):s.loadOp=QR,s.storeOp=YR}}else{const t=n.colorAttachments[0];e.clearColor?(t.clearValue=e.clearColorValue,t.loadOp=ZR):t.loadOp=QR,t.storeOp=YR}e.depth&&(e.clearDepth?(a.depthClearValue=e.clearDepthValue,a.depthLoadOp=ZR):a.depthLoadOp=QR,a.depthStoreOp=YR),e.stencil&&(e.clearStencil?(a.stencilClearValue=e.clearStencilValue,a.stencilLoadOp=ZR):a.stencilLoadOp=QR,a.stencilStoreOp=YR);const o=r.createCommandEncoder({label:"renderContext_"+e.id});if(!0===this._isRenderCameraDepthArray(e)){const r=e.camera.cameras;t.layerDescriptors&&t.layerDescriptors.length===r.length?this._updateDepthLayerDescriptors(e,t,r):this._createDepthLayerDescriptors(e,t,n,r),t.bundleEncoders=[],t.bundleSets=[];for(let s=0;s<r.length;s++){const r=this.pipelineUtils.createBundleEncoder(e,"renderBundleArrayCamera_"+s),i={attributes:{},bindingGroups:[],pipeline:null,index:null};t.bundleEncoders.push(r),t.bundleSets.push(i)}t.currentPass=null}else{const r=o.beginRenderPass(n);t.currentPass=r,e.viewport&&this.updateViewport(e),e.scissor&&this.updateScissor(e)}t.descriptor=n,t.encoder=o,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.renderBundles=[]}_createDepthLayerDescriptors(e,t,r,s){const i=r.depthStencilAttachment;t.layerDescriptors=[];const n=this.get(e.depthTexture);n.viewCache||(n.viewCache=[]);for(let a=0;a<s.length;a++){const s={...r,colorAttachments:[{...r.colorAttachments[0],view:r.colorAttachments[a].view}]};if(r.depthStencilAttachment){const t=a;n.viewCache[t]||(n.viewCache[t]=n.texture.createView({dimension:Iw,baseArrayLayer:a,arrayLayerCount:1})),s.depthStencilAttachment={view:n.viewCache[t],depthLoadOp:i.depthLoadOp||ZR,depthStoreOp:i.depthStoreOp||YR,depthClearValue:i.depthClearValue||1},e.stencil&&(s.depthStencilAttachment.stencilLoadOp=i.stencilLoadOp,s.depthStencilAttachment.stencilStoreOp=i.stencilStoreOp,s.depthStencilAttachment.stencilClearValue=i.stencilClearValue)}else s.depthStencilAttachment={...i};t.layerDescriptors.push(s)}}_updateDepthLayerDescriptors(e,t,r){for(let s=0;s<r.length;s++){const r=t.layerDescriptors[s];if(r.depthStencilAttachment){const t=r.depthStencilAttachment;e.depth&&(e.clearDepth?(t.depthClearValue=e.clearDepthValue,t.depthLoadOp=ZR):t.depthLoadOp=QR),e.stencil&&(e.clearStencil?(t.stencilClearValue=e.clearStencilValue,t.stencilLoadOp=ZR):t.stencilLoadOp=QR)}}}finishRender(e){const t=this.get(e),r=e.occlusionQueryCount;t.renderBundles.length>0&&t.currentPass.executeBundles(t.renderBundles),r>t.occlusionQueryIndex&&t.currentPass.endOcclusionQuery();const s=t.encoder;if(!0===this._isRenderCameraDepthArray(e)){const r=[];for(let e=0;e<t.bundleEncoders.length;e++){const s=t.bundleEncoders[e];r.push(s.finish())}for(let i=0;i<t.layerDescriptors.length;i++)if(i<r.length){const n=t.layerDescriptors[i],a=s.beginRenderPass(n);if(e.viewport){const{x:t,y:r,width:s,height:i,minDepth:n,maxDepth:o}=e.viewportValue;a.setViewport(t,r,s,i,n,o)}if(e.scissor){const{x:t,y:r,width:s,height:i}=e.scissorValue;a.setScissorRect(t,r,s,i)}a.executeBundles([r[i]]),a.end()}}else t.currentPass&&t.currentPass.end();if(r>0){const s=8*r;let i=this.occludedResolveCache.get(s);void 0===i&&(i=this.device.createBuffer({size:s,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),this.occludedResolveCache.set(s,i));const n=this.device.createBuffer({size:s,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ});t.encoder.resolveQuerySet(t.occlusionQuerySet,0,r,i,0),t.encoder.copyBufferToBuffer(i,0,n,0,s),t.occlusionQueryBuffer=n,this.resolveOccludedAsync(e)}if(this.device.queue.submit([t.encoder.finish()]),null!==e.textures){const t=e.textures;for(let e=0;e<t.length;e++){const r=t[e];!0===r.generateMipmaps&&this.textureUtils.generateMipmaps(r)}}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}async resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueryBuffer:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueryBuffer=null,await r.mapAsync(GPUMapMode.READ);const i=r.getMappedRange(),n=new BigUint64Array(i);for(let t=0;t<s.length;t++)n[t]===BigInt(0)&&e.add(s[t]);r.destroy(),t.occluded=e}}updateViewport(e){const{currentPass:t}=this.get(e),{x:r,y:s,width:i,height:n,minDepth:a,maxDepth:o}=e.viewportValue;t.setViewport(r,s,i,n,a,o)}updateScissor(e){const{currentPass:t}=this.get(e),{x:r,y:s,width:i,height:n}=e.scissorValue;t.setScissorRect(r,s,i,n)}getClearColor(){const e=super.getClearColor();return!0===this.renderer.alpha&&(e.r*=e.a,e.g*=e.a,e.b*=e.a),e}clear(e,t,r,s=null){const i=this.device,n=this.renderer;let a,o,u,l,d=[];if(e){const e=this.getClearColor();o={r:e.r,g:e.g,b:e.b,a:e.a}}if(null===s){u=n.depth,l=n.stencil;const t=this._getDefaultRenderPassDescriptor();if(e){d=t.colorAttachments;const e=d[0];e.clearValue=o,e.loadOp=ZR,e.storeOp=YR}(u||l)&&(a=t.depthStencilAttachment)}else{u=s.depth,l=s.stencil;const i={loadOp:e?ZR:QR,clearValue:e?o:void 0};u&&(i.depthLoadOp=t?ZR:QR,i.depthClearValue=t?n.getClearDepth():void 0,i.depthStoreOp=YR),l&&(i.stencilLoadOp=r?ZR:QR,i.stencilClearValue=r?n.getClearStencil():void 0,i.stencilStoreOp=YR);const c=this._getRenderPassDescriptor(s,i);d=c.colorAttachments,a=c.depthStencilAttachment}u&&a&&(t?(a.depthLoadOp=ZR,a.depthClearValue=n.getClearDepth(),a.depthStoreOp=YR):(a.depthLoadOp=QR,a.depthStoreOp=YR)),l&&a&&(r?(a.stencilLoadOp=ZR,a.stencilClearValue=n.getClearStencil(),a.stencilStoreOp=YR):(a.stencilLoadOp=QR,a.stencilStoreOp=YR));const c=i.createCommandEncoder({label:"clear"});c.beginRenderPass({colorAttachments:d,depthStencilAttachment:a}).end(),i.queue.submit([c.finish()])}beginCompute(e){const t=this.get(e),r={label:"computeGroup_"+e.id};this.initTimestampQuery(wt.COMPUTE,this.getTimestampUID(e),r),t.cmdEncoderGPU=this.device.createCommandEncoder({label:"computeGroup_"+e.id}),t.passEncoderGPU=t.cmdEncoderGPU.beginComputePass(r)}compute(e,t,r,s,i=null){const n=this.get(t),{passEncoderGPU:a}=this.get(e),o=this.get(s).pipeline;this.pipelineUtils.setPipeline(a,o);for(let e=0,t=r.length;e<t;e++){const t=r[e],s=this.get(t);a.setBindGroup(e,s.group)}if(null===i&&(i=t.count),i&&"object"==typeof i&&i.isIndirectStorageBufferAttribute){const e=this.get(i).buffer;return void a.dispatchWorkgroupsIndirect(e,0)}if("number"==typeof i){const e=i;if(void 0===n.dispatchSize||n.count!==e){n.dispatchSize=[0,1,1],n.count=e;const r=t.workgroupSize;let s=r[0];for(let e=1;e<r.length;e++)s*=r[e];const a=Math.ceil(e/s),o=this.device.limits.maxComputeWorkgroupsPerDimension;i=[a,1,1],a>o&&(i[0]=Math.min(a,o),i[1]=Math.ceil(a/o)),n.dispatchSize=i}i=n.dispatchSize}a.dispatchWorkgroups(i[0],i[1]||1,i[2]||1)}finishCompute(e){const t=this.get(e);t.passEncoderGPU.end(),this.device.queue.submit([t.cmdEncoderGPU.finish()])}draw(e,t){const{object:r,material:s,context:i,pipeline:n}=e,a=e.getBindings(),o=this.get(i),u=this.get(n),l=u.pipeline;if(!0===u.error)return;const d=e.getIndex(),c=null!==d,h=e.getDrawParameters();if(null===h)return;const p=(t,r)=>{this.pipelineUtils.setPipeline(t,l),r.pipeline=l;const n=r.bindingGroups;for(let e=0,r=a.length;e<r;e++){const r=a[e],s=this.get(r);n[r.index]!==r.id&&(t.setBindGroup(r.index,s.group),n[r.index]=r.id)}if(!0===c&&r.index!==d){const e=this.get(d).buffer,s=d.array instanceof Uint16Array?sE:iE;t.setIndexBuffer(e,s),r.index=d}const u=e.getVertexBuffers();for(let e=0,s=u.length;e<s;e++){const s=u[e];if(r.attributes[e]!==s){const i=this.get(s).buffer;t.setVertexBuffer(e,i),r.attributes[e]=s}}!0===i.stencil&&!0===s.stencilWrite&&o.currentStencilRef!==s.stencilRef&&(t.setStencilReference(s.stencilRef),o.currentStencilRef=s.stencilRef)},g=(i,n)=>{if(p(i,n),!0===r.isBatchedMesh){const e=r._multiDrawStarts,n=r._multiDrawCounts,a=r._multiDrawCount,o=r._multiDrawInstances;null!==o&&v("WebGPUBackend: renderMultiDrawInstances has been deprecated and will be removed in r184. Append to renderMultiDraw arguments and use indirection.");let u=!0===c?d.array.BYTES_PER_ELEMENT:1;s.wireframe&&(u=r.geometry.attributes.position.count>65535?4:2);for(let s=0;s<a;s++){const a=o?o[s]:1,l=a>1?0:s;!0===c?i.drawIndexed(n[s],a,e[s]/u,0,l):i.draw(n[s],a,e[s],l),t.update(r,n[s],a)}}else if(!0===c){const{vertexCount:s,instanceCount:n,firstVertex:a}=h,o=e.getIndirect();if(null!==o){const t=this.get(o).buffer,r=e.getIndirectOffset(),s=Array.isArray(r)?r:[r];for(let e=0;e<s.length;e++)i.drawIndexedIndirect(t,s[e])}else i.drawIndexed(s,n,a,0,0);t.update(r,s,n)}else{const{vertexCount:s,instanceCount:n,firstVertex:a}=h,o=e.getIndirect();if(null!==o){const t=this.get(o).buffer,r=e.getIndirectOffset(),s=Array.isArray(r)?r:[r];for(let e=0;e<s.length;e++)i.drawIndirect(t,s[e])}else i.draw(s,n,a,0);t.update(r,s,n)}};if(e.camera.isArrayCamera&&e.camera.cameras.length>0){const t=this.get(e.camera),s=e.camera.cameras,n=e.getBindingGroup("cameraIndex");if(void 0===t.indexesGPU||t.indexesGPU.length!==s.length){const e=this.get(n),r=[],i=new Uint32Array([0,0,0,0]);for(let t=0,n=s.length;t<n;t++){i[0]=t;const{layoutGPU:s}=e.layout,n=this.bindingUtils.createBindGroupIndex(i,s);r.push(n)}t.indexesGPU=r}const a=this.renderer.getPixelRatio();for(let e=0,u=s.length;e<u;e++){const u=s[e];if(r.layers.test(u.layers)){const r=u.viewport;let s=o.currentPass,l=o.currentSets;if(o.bundleEncoders){s=o.bundleEncoders[e],l=o.bundleSets[e]}r&&s.setViewport(Math.floor(r.x*a),Math.floor(r.y*a),Math.floor(r.width*a),Math.floor(r.height*a),i.viewportValue.minDepth,i.viewportValue.maxDepth),n&&t.indexesGPU&&(s.setBindGroup(n.index,t.indexesGPU[e]),l.bindingGroups[n.index]=n.id),g(s,l)}}}else if(o.currentPass){if(void 0!==o.occlusionQuerySet){const e=o.lastOcclusionObject;e!==r&&(null!==e&&!0===e.occlusionTest&&(o.currentPass.endOcclusionQuery(),o.occlusionQueryIndex++),!0===r.occlusionTest&&(o.currentPass.beginOcclusionQuery(o.occlusionQueryIndex),o.occlusionQueryObjects[o.occlusionQueryIndex]=r),o.lastOcclusionObject=r)}g(o.currentPass,o.currentSets)}}needsRenderUpdate(e){const t=this.get(e),{object:r,material:s}=e,i=this.utils,n=i.getSampleCountRenderContext(e.context),a=i.getCurrentColorSpace(e.context),o=i.getCurrentColorFormat(e.context),u=i.getCurrentDepthStencilFormat(e.context),l=i.getPrimitiveTopology(r,s);let d=!1;return t.material===s&&t.materialVersion===s.version&&t.transparent===s.transparent&&t.blending===s.blending&&t.premultipliedAlpha===s.premultipliedAlpha&&t.blendSrc===s.blendSrc&&t.blendDst===s.blendDst&&t.blendEquation===s.blendEquation&&t.blendSrcAlpha===s.blendSrcAlpha&&t.blendDstAlpha===s.blendDstAlpha&&t.blendEquationAlpha===s.blendEquationAlpha&&t.colorWrite===s.colorWrite&&t.depthWrite===s.depthWrite&&t.depthTest===s.depthTest&&t.depthFunc===s.depthFunc&&t.stencilWrite===s.stencilWrite&&t.stencilFunc===s.stencilFunc&&t.stencilFail===s.stencilFail&&t.stencilZFail===s.stencilZFail&&t.stencilZPass===s.stencilZPass&&t.stencilFuncMask===s.stencilFuncMask&&t.stencilWriteMask===s.stencilWriteMask&&t.side===s.side&&t.alphaToCoverage===s.alphaToCoverage&&t.sampleCount===n&&t.colorSpace===a&&t.colorFormat===o&&t.depthStencilFormat===u&&t.primitiveTopology===l&&t.clippingContextCacheKey===e.clippingContextCacheKey||(t.material=s,t.materialVersion=s.version,t.transparent=s.transparent,t.blending=s.blending,t.premultipliedAlpha=s.premultipliedAlpha,t.blendSrc=s.blendSrc,t.blendDst=s.blendDst,t.blendEquation=s.blendEquation,t.blendSrcAlpha=s.blendSrcAlpha,t.blendDstAlpha=s.blendDstAlpha,t.blendEquationAlpha=s.blendEquationAlpha,t.colorWrite=s.colorWrite,t.depthWrite=s.depthWrite,t.depthTest=s.depthTest,t.depthFunc=s.depthFunc,t.stencilWrite=s.stencilWrite,t.stencilFunc=s.stencilFunc,t.stencilFail=s.stencilFail,t.stencilZFail=s.stencilZFail,t.stencilZPass=s.stencilZPass,t.stencilFuncMask=s.stencilFuncMask,t.stencilWriteMask=s.stencilWriteMask,t.side=s.side,t.alphaToCoverage=s.alphaToCoverage,t.sampleCount=n,t.colorSpace=a,t.colorFormat=o,t.depthStencilFormat=u,t.primitiveTopology=l,t.clippingContextCacheKey=e.clippingContextCacheKey,d=!0),d}getRenderCacheKey(e){const{object:t,material:r}=e,s=this.utils,i=e.context,n=t.isMesh&&t.matrixWorld.determinant()<0;return[r.transparent,r.blending,r.premultipliedAlpha,r.blendSrc,r.blendDst,r.blendEquation,r.blendSrcAlpha,r.blendDstAlpha,r.blendEquationAlpha,r.colorWrite,r.depthWrite,r.depthTest,r.depthFunc,r.stencilWrite,r.stencilFunc,r.stencilFail,r.stencilZFail,r.stencilZPass,r.stencilFuncMask,r.stencilWriteMask,r.side,n,s.getSampleCountRenderContext(i),s.getCurrentColorSpace(i),s.getCurrentColorFormat(i),s.getCurrentDepthStencilFormat(i),s.getPrimitiveTopology(t,r),e.getGeometryCacheKey(),e.clippingContextCacheKey].join()}updateSampler(e){return this.textureUtils.updateSampler(e)}createDefaultTexture(e){return this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e,t=!1){this.textureUtils.destroyTexture(e,t)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}initTimestampQuery(e,t,r){if(!this.trackTimestamp)return;this.timestampQueryPool[e]||(this.timestampQueryPool[e]=new RC(this.device,e,2048));const s=this.timestampQueryPool[e],i=s.allocateQueriesForContext(t);r.timestampWrites={querySet:s.querySet,beginningOfPassWriteIndex:i,endOfPassWriteIndex:i+1}}createNodeBuilder(e,t){return new fC(e,t)}createProgram(e){this.get(e).module={module:this.device.createShaderModule({code:e.code,label:e.stage+(""!==e.name?`_${e.name}`:"")}),entryPoint:"main"}}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){this.pipelineUtils.createRenderPipeline(e,t)}createComputePipeline(e,t){this.pipelineUtils.createComputePipeline(e,t)}beginBundle(e){const t=this.get(e);t._currentPass=t.currentPass,t._currentSets=t.currentSets,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.currentPass=this.pipelineUtils.createBundleEncoder(e)}finishBundle(e,t){const r=this.get(e),s=r.currentPass.finish();this.get(t).bundleGPU=s,r.currentSets=r._currentSets,r.currentPass=r._currentPass}addBundle(e,t){this.get(e).renderBundles.push(this.get(t).bundleGPU)}createBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBinding(e){this.bindingUtils.updateBinding(e)}deleteBindGroupData(e){this.bindingUtils.deleteBindGroupData(e)}createIndexAttribute(e){let t=GPUBufferUsage.INDEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST;(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(t|=GPUBufferUsage.STORAGE),this.attributeUtils.createAttribute(e,t)}createAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createIndirectStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.INDIRECT|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}updateSize(){this.delete(this.renderer.getCanvasTarget())}getMaxAnisotropy(){return 16}hasFeature(e){return void 0!==Hw[e]&&(e=Hw[e]),this.device.features.has(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){let a=0,o=0,u=0,l=0,d=0,c=0,h=e.image.width,p=e.image.height,g=1;null!==r&&(!0===r.isBox3?(l=r.min.x,d=r.min.y,c=r.min.z,h=r.max.x-r.min.x,p=r.max.y-r.min.y,g=r.max.z-r.min.z):(l=r.min.x,d=r.min.y,h=r.max.x-r.min.x,p=r.max.y-r.min.y,g=1)),null!==s&&(a=s.x,o=s.y,u=s.z||0);const m=this.device.createCommandEncoder({label:"copyTextureToTexture_"+e.id+"_"+t.id}),f=this.get(e).texture,y=this.get(t).texture;m.copyTextureToTexture({texture:f,mipLevel:i,origin:{x:l,y:d,z:c}},{texture:y,mipLevel:n,origin:{x:a,y:o,z:u}},[h,p,g]),this.device.queue.submit([m.finish()]),0===n&&t.generateMipmaps&&this.textureUtils.generateMipmaps(t)}copyFramebufferToTexture(e,t,r){const s=this.get(t);let i=null;i=t.renderTarget?e.isDepthTexture?this.get(t.depthTexture).texture:this.get(t.textures[0]).texture:e.isDepthTexture?this.textureUtils.getDepthBuffer(t.depth,t.stencil):this.context.getCurrentTexture();const n=this.get(e).texture;if(i.format!==n.format)return void o("WebGPUBackend: copyFramebufferToTexture: Source and destination formats do not match.",i.format,n.format);let a;if(s.currentPass?(s.currentPass.end(),a=s.encoder):a=this.device.createCommandEncoder({label:"copyFramebufferToTexture_"+e.id}),a.copyTextureToTexture({texture:i,origin:[r.x,r.y,0]},{texture:n},[r.z,r.w]),e.generateMipmaps&&this.textureUtils.generateMipmaps(e,a),s.currentPass){const{descriptor:e}=s;for(let t=0;t<e.colorAttachments.length;t++)e.colorAttachments[t].loadOp=QR;t.depth&&(e.depthStencilAttachment.depthLoadOp=QR),t.stencil&&(e.depthStencilAttachment.stencilLoadOp=QR),s.currentPass=a.beginRenderPass(e),s.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.viewport&&this.updateViewport(t),t.scissor&&this.updateScissor(t)}else this.device.queue.submit([a.finish()])}hasCompatibility(e){return void 0!==this._compatibility[E.TEXTURE_COMPARE]?this._compatibility[E.TEXTURE_COMPARE]:super.hasCompatibility(e)}dispose(){if(this.bindingUtils.dispose(),this.textureUtils.dispose(),this.occludedResolveCache){for(const e of this.occludedResolveCache.values())e.destroy();this.occludedResolveCache.clear()}if(this.timestampQueryPool)for(const e of Object.values(this.timestampQueryPool))null!==e&&e.dispose();void 0===this.parameters.device&&null!==this.device&&this.device.destroy()}}class AC extends ps{constructor(e,t,r,s,i,n){super(e,t,r,s,i,n),this.iesMap=null}copy(e,t){return super.copy(e,t),this.iesMap=e.iesMap,this}}class wC extends ps{constructor(e,t,r,s,i,n){super(e,t,r,s,i,n),this.aspect=null}copy(e,t){return super.copy(e,t),this.aspect=e.aspect,this}}class CC extends vS{constructor(){super(),this.addMaterial(Hg,"MeshPhongMaterial"),this.addMaterial(Vf,"MeshStandardMaterial"),this.addMaterial(Gf,"MeshPhysicalMaterial"),this.addMaterial(jf,"MeshToonMaterial"),this.addMaterial(Ug,"MeshBasicMaterial"),this.addMaterial($g,"MeshLambertMaterial"),this.addMaterial(Ng,"MeshNormalMaterial"),this.addMaterial(Yf,"MeshMatcapMaterial"),this.addMaterial(yg,"LineBasicMaterial"),this.addMaterial(xg,"LineDashedMaterial"),this.addMaterial(sy,"PointsMaterial"),this.addMaterial(ey,"SpriteMaterial"),this.addMaterial(oy,"ShadowMaterial"),this.addLight(hv,gs),this.addLight(KN,ms),this.addLight(nS,fs),this.addLight(QN,ps),this.addLight(XN,ys),this.addLight(YN,bs),this.addLight(JN,xs),this.addLight(ZN,AC),this.addLight(tS,wC),this.addToneMapping(tT,Ts),this.addToneMapping(rT,_s),this.addToneMapping(sT,vs),this.addToneMapping(nT,Ns),this.addToneMapping(lT,Ss),this.addToneMapping(dT,Rs)}}class MC extends HS{constructor(e={}){let t;e.forceWebGL?t=UR:(t=EC,e.getFallback=()=>(d("WebGPURenderer: WebGPU is not available, running under WebGL2 backend."),new UR(e)));super(new t(e),e),this.library=new CC,this.isWebGPURenderer=!0,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}}class BC extends Es{constructor(){super(),this.isBundleGroup=!0,this.type="BundleGroup",this.static=!0,this.version=0}set needsUpdate(e){!0===e&&this.version++}}class FC{constructor(e,t=An(0,0,1,1)){this.renderer=e,this.outputNode=t,this.outputColorTransform=!0,this.needsUpdate=!0;const r=new mg;r.name="RenderPipeline",this._quadMesh=new ux(r),this._quadMesh.name="Render Pipeline",this._context=null}render(){const e=this.renderer;this._update(),null!==this._context.onBeforeRenderPipeline&&this._context.onBeforeRenderPipeline();const t=e.toneMapping,r=e.outputColorSpace;e.toneMapping=m,e.outputColorSpace=p.workingColorSpace;const s=e.xr.enabled;e.xr.enabled=!1,this._quadMesh.render(e),e.xr.enabled=s,e.toneMapping=t,e.outputColorSpace=r,null!==this._context.onAfterRenderPipeline&&this._context.onAfterRenderPipeline()}get context(){return this._context}dispose(){this._quadMesh.material.dispose()}_update(){if(!0===this.needsUpdate){const e=this.renderer,t=e.toneMapping,r=e.outputColorSpace,s={renderPipeline:this,onBeforeRenderPipeline:null,onAfterRenderPipeline:null};let i=this.outputNode;!0===this.outputColorTransform?(i=i.context(s),i=bl(i,t,r)):(s.toneMapping=t,s.outputColorSpace=r,i=i.context(s)),this._context=s,this._quadMesh.material.fragmentNode=i,this._quadMesh.material.needsUpdate=!0,this.needsUpdate=!1}}async renderAsync(){v('RenderPipeline: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await this.renderer.init(),this.render()}}class LC extends FC{constructor(e,t){v('PostProcessing: "PostProcessing" has been renamed to "RenderPipeline". Please update your code to use "THREE.RenderPipeline" instead.'),super(e,t)}}class PC extends N{constructor(e=1,t=1){super(),this.image={width:e,height:t},this.magFilter=oe,this.minFilter=oe,this.isStorageTexture=!0,this.mipmapsAutoUpdate=!0}setSize(e,t){this.image.width===e&&this.image.height===t||(this.image.width=e,this.image.height=t,this.dispose())}}class DC extends N{constructor(e=1,t=1,r=1){super(),this.isArrayTexture=!1,this.image={width:e,height:t,depth:r},this.magFilter=oe,this.minFilter=oe,this.wrapR=xe,this.isStorageTexture=!0,this.is3DTexture=!0}setSize(e,t,r){this.image.width===e&&this.image.height===t&&this.image.depth===r||(this.image.width=e,this.image.height=t,this.image.depth=r,this.dispose())}}class UC extends N{constructor(e=1,t=1,r=1){super(),this.isArrayTexture=!0,this.image={width:e,height:t,depth:r},this.magFilter=oe,this.minFilter=oe,this.isStorageTexture=!0}setSize(e,t,r){this.image.width===e&&this.image.height===t&&this.image.depth===r||(this.image.width=e,this.image.height=t,this.image.depth=r,this.dispose())}}class IC extends _x{constructor(e,t){super(e,t,Uint32Array),this.isIndirectStorageBufferAttribute=!0}}class OC extends As{constructor(e){super(e),this.textures={},this.nodes={}}load(e,t,r,s){const i=new ws(this.manager);i.setPath(this.path),i.setRequestHeader(this.requestHeader),i.setWithCredentials(this.withCredentials),i.load(e,r=>{try{t(this.parse(JSON.parse(r)))}catch(t){s?s(t):o(t),this.manager.itemError(e)}},r,s)}parseNodes(e){const t={};if(void 0!==e){for(const r of e){const{uuid:e,type:s}=r;t[e]=this.createNodeFromType(s),t[e].uuid=e}const r={nodes:t,textures:this.textures};for(const s of e){s.meta=r;t[s.uuid].deserialize(s),delete s.meta}}return t}parse(e){const t=this.createNodeFromType(e.type);t.uuid=e.uuid;const r={nodes:this.parseNodes(e.nodes),textures:this.textures};return e.meta=r,t.deserialize(e),delete e.meta,t}setTextures(e){return this.textures=e,this}setNodes(e){return this.nodes=e,this}createNodeFromType(e){return void 0===this.nodes[e]?(o("NodeLoader: Node type not found:",e),mn()):new this.nodes[e]}}class VC extends Cs{constructor(e){super(e),this.nodes={},this.nodeMaterials={}}parse(e){const t=super.parse(e),r=this.nodes,s=e.inputNodes;for(const e in s){const i=s[e];t[e]=r[i]}return t}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}createMaterialFromType(e){const t=this.nodeMaterials[e];return void 0!==t?new t:super.createMaterialFromType(e)}}class kC extends Ms{constructor(e){super(e),this.nodes={},this.nodeMaterials={},this._nodesJSON=null}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}parse(e,t){this._nodesJSON=e.nodes;const r=super.parse(e,t);return this._nodesJSON=null,r}parseNodes(e,t){if(void 0!==e){const r=new OC;return r.setNodes(this.nodes),r.setTextures(t),r.parseNodes(e)}return{}}parseMaterials(e,t){const r={};if(void 0!==e){const s=this.parseNodes(this._nodesJSON,t),i=new VC;i.setTextures(t),i.setNodes(s),i.setNodeMaterials(this.nodeMaterials);for(let t=0,s=e.length;t<s;t++){const s=e[t];r[s.uuid]=i.parse(s)}}return r}}class GC extends Es{constructor(){super(),this.isClippingGroup=!0,this.clippingPlanes=[],this.enabled=!0,this.clipIntersection=!1,this.clipShadows=!1}}export{Ns as ACESFilmicToneMapping,Lp as AONode,$e as AddEquation,ce as AddOperation,Ht as AdditiveBlending,Ss as AgXToneMapping,nr as AlphaFormat,Wr as AlwaysCompare,Zt as AlwaysDepth,ts as AlwaysStencilFunc,ys as AmbientLight,XN as AmbientLightNode,lv as AnalyticLightNode,ut as ArrayCamera,di as ArrayElementNode,Na as ArrayNode,Ra as AssignNode,DT as AtomicFunctionNode,Sl as AttributeNode,M as BackSide,BT as BarrierNode,Bg as BasicEnvironmentNode,Fg as BasicLightMapNode,tt as BasicShadowMap,xp as BatchNode,db as BitcastNode,gb as BitcountNode,ib as BlendMode,ie as BoxGeometry,Ee as BufferAttribute,Zu as BufferAttributeNode,Te as BufferGeometry,Il as BufferNode,zl as BuiltinNode,mh as BumpMapNode,BC as BundleGroup,ll as BypassNode,vt as ByteType,US as CanvasTarget,vs as CineonToneMapping,xe as ClampToEdgeWrapping,GC as ClippingGroup,rg as ClippingNode,cT as CodeNode,e as Color,p as ColorManagement,ku as ColorSpaceNode,E as Compatibility,ST as ComputeBuiltinNode,sl as ComputeNode,bu as ConditionalNode,Ti as ConstNode,Tu as ContextNode,ci as ConvertNode,ue as CubeCamera,rt as CubeDepthTexture,Ag as CubeMapNode,P as CubeReflectionMapping,D as CubeRefractionMapping,Rg as CubeRenderTarget,L as CubeTexture,wc as CubeTextureNode,Re as CubeUVReflectionMapping,Gt as CullFaceBack,zt as CullFaceFront,kt as CullFaceNone,ct as CustomBlending,pt as CylinderGeometry,q as DataArrayTexture,ye as DataTexture,xl as DebugNode,ns as DecrementStencilOp,ss as DecrementWrapStencilOp,Ie as DepthFormat,Ue as DepthStencilFormat,Y as DepthTexture,ms as DirectionalLight,KN as DirectionalLightNode,B as DoubleSide,Dt as DstAlphaFactor,Ut as DstColorFactor,x as DynamicDrawUsage,Df as EnvironmentNode,$r as EqualCompare,Kt as EqualDepth,Zr as EqualStencilFunc,le as EquirectangularReflectionMapping,de as EquirectangularRefractionMapping,F as Euler,u as EventDispatcher,bx as EventNode,gl as ExpressionNode,ws as FileLoader,yi as FlipNode,at as Float16BufferAttribute,Xe as Float32BufferAttribute,j as FloatType,X as FramebufferTexture,tc as FrontFacingNode,dt as FrontSide,bt as Frustum,yt as FrustumArray,Aa as FunctionCallNode,pT as FunctionNode,Bb as FunctionOverloadingNode,hS as GLSLNodeParser,zr as GreaterCompare,jt as GreaterDepth,Qe as GreaterEqualCompare,Xt as GreaterEqualDepth,Qr as GreaterEqualStencilFunc,Yr as GreaterStencilFunc,Es as Group,be as HalfFloatType,bs as HemisphereLight,YN as HemisphereLightNode,AC as IESSpotLight,ZN as IESSpotLightNode,as as IncrementStencilOp,is as IncrementWrapStencilOp,up as IndexNode,IC as IndirectStorageBufferAttribute,bi as InputNode,_l as InspectorBase,vl as InspectorNode,mp as InstanceNode,W as InstancedBufferAttribute,H as InstancedInterleavedBuffer,yp as InstancedMeshNode,R as IntType,b as InterleavedBuffer,y as InterleavedBufferAttribute,os as InvertStencilOp,Up as IrradianceNode,al as IsolateNode,pi as JoinNode,ds as KeepStencilOp,A as LessCompare,Qt as LessDepth,Ze as LessEqualCompare,Yt as LessEqualDepth,Jr as LessEqualStencilFunc,es as LessStencilFunc,xs as LightProbe,JN as LightProbeNode,RS as Lighting,Pp as LightingContextNode,Lg as LightingModel,Fp as LightingNode,__ as LightsNode,_g as Line2NodeMaterial,Z as LineBasicMaterial,yg as LineBasicNodeMaterial,J as LineDashedMaterial,xg as LineDashedNodeMaterial,oe as LinearFilter,je as LinearMipMapLinearFilter,K as LinearMipmapLinearFilter,it as LinearMipmapNearestFilter,Ne as LinearSRGBColorSpace,Ts as LinearToneMapping,qr as LinearTransfer,As as Loader,Sp as LoopNode,ub as MRTNode,Q as Material,We as MaterialBlending,Cs as MaterialLoader,bh as MaterialNode,Dc as MaterialReferenceNode,so as MathNode,l as MathUtils,i as Matrix2,n as Matrix3,a as Matrix4,cs as MaxEquation,Cl as MaxMipLevelNode,_i as MemberNode,ne as Mesh,ge as MeshBasicMaterial,Ug as MeshBasicNodeMaterial,me as MeshLambertMaterial,$g as MeshLambertNodeMaterial,Me as MeshMatcapMaterial,Yf as MeshMatcapNodeMaterial,te as MeshNormalMaterial,Ng as MeshNormalNodeMaterial,fe as MeshPhongMaterial,Hg as MeshPhongNodeMaterial,we as MeshPhysicalMaterial,Gf as MeshPhysicalNodeMaterial,$f as MeshSSSNodeMaterial,Ae as MeshStandardMaterial,Vf as MeshStandardNodeMaterial,Ce as MeshToonMaterial,jf as MeshToonNodeMaterial,hs as MinEquation,Or as MirroredRepeatWrapping,he as MixOperation,Pd as ModelNode,Mp as MorphNode,$t as MultiplyBlending,pe as MultiplyOperation,w as NearestFilter,nt as NearestMipmapLinearFilter,kr as NearestMipmapNearestFilter,Rs as NeutralToneMapping,Hr as NeverCompare,Jt as NeverDepth,rs as NeverStencilFunc,ee as NoBlending,T as NoColorSpace,I as NoNormalPacking,m as NoToneMapping,li as Node,ri as NodeAccess,mN as NodeAttribute,HN as NodeBuilder,_N as NodeCache,xN as NodeCode,Bl as NodeError,qN as NodeFrame,jN as NodeFunctionInput,OC as NodeLoader,mg as NodeMaterial,VC as NodeMaterialLoader,Ls as NodeMaterialObserver,kC as NodeObjectLoader,Js as NodeShaderStage,ti as NodeType,fN as NodeUniform,ei as NodeUpdateType,Zs as NodeUtils,yN as NodeVar,bN as NodeVarying,ke as NormalBlending,V as NormalGAPacking,ch as NormalMapNode,O as NormalRGPacking,Gr as NotEqualCompare,qt as NotEqualDepth,Kr as NotEqualStencilFunc,qe as Object3D,Ad as Object3DNode,Ms as ObjectLoader,k as ObjectSpaceNormalMap,Vt as OneFactor,Ft as OneMinusDstAlphaFactor,Lt as OneMinusDstColorFactor,ze as OneMinusSrcAlphaFactor,Pt as OneMinusSrcColorFactor,Ma as OperatorNode,_e as OrthographicCamera,rb as OutputStructNode,Je as PCFShadowMap,et as PCFSoftShadowMap,Sf as PMREMGenerator,Ff as PMREMNode,Tb as PackFloatNode,Qy as ParameterNode,Jx as PassNode,ve as PerspectiveCamera,Gg as PhongLightingModel,Vm as PhysicalLightingModel,He as Plane,lt as PlaneGeometry,gs as PointLight,hv as PointLightNode,ov as PointShadowNode,vx as PointUVNode,Fe as PointsMaterial,sy as PointsNodeMaterial,LC as PostProcessing,wC as ProjectorLight,tS as ProjectorLightNode,Un as PropertyNode,ux as QuadMesh,gt as Quaternion,yr as R11_EAC_Format,z as RED_GREEN_RGTC2_Format,Dr as RED_RGTC1_Format,ot as REVISION,$ as RG11_EAC_Format,Se as RGBAFormat,At as RGBAIntegerFormat,Br as RGBA_ASTC_10x10_Format,wr as RGBA_ASTC_10x5_Format,Cr as RGBA_ASTC_10x6_Format,Mr as RGBA_ASTC_10x8_Format,Fr as RGBA_ASTC_12x10_Format,Lr as RGBA_ASTC_12x12_Format,Tr as RGBA_ASTC_4x4_Format,_r as RGBA_ASTC_5x4_Format,vr as RGBA_ASTC_5x5_Format,Nr as RGBA_ASTC_6x5_Format,Sr as RGBA_ASTC_6x6_Format,Rr as RGBA_ASTC_8x5_Format,Er as RGBA_ASTC_8x6_Format,Ar as RGBA_ASTC_8x8_Format,Pr as RGBA_BPTC_Format,fr as RGBA_ETC2_EAC_Format,pr as RGBA_PVRTC_2BPPV1_Format,hr as RGBA_PVRTC_4BPPV1_Format,or as RGBA_S3TC_DXT1_Format,ur as RGBA_S3TC_DXT3_Format,lr as RGBA_S3TC_DXT5_Format,Et as RGBFormat,Rt as RGBIntegerFormat,gr as RGB_ETC1_Format,mr as RGB_ETC2_Format,cr as RGB_PVRTC_2BPPV1_Format,dr as RGB_PVRTC_4BPPV1_Format,ar as RGB_S3TC_DXT1_Format,G as RGFormat,St as RGIntegerFormat,dx as RTTNode,vT as RangeNode,fs as RectAreaLight,nS as RectAreaLightNode,Tt as RedFormat,xt as RedIntegerFormat,Wu as ReferenceBaseNode,Fc as ReferenceNode,sx as ReflectorNode,_s as ReinhardToneMapping,cl as RemapNode,yl as RenderOutputNode,FC as RenderPipeline,se as RenderTarget,Hu as RendererReferenceNode,F_ as RendererUtils,Vr as RepeatWrapping,us as ReplaceStencilOp,Mt as ReverseSubtractEquation,Qf as RotateNode,br as SIGNED_R11_EAC_Format,Ir as SIGNED_RED_GREEN_RGTC2_Format,Ur as SIGNED_RED_RGTC1_Format,xr as SIGNED_RG11_EAC_Format,re as SRGBColorSpace,g as SRGBTransfer,yx as SampleNode,ae as Scene,ql as ScreenNode,fi as SetNode,v_ as ShadowBaseNode,Le as ShadowMaterial,X_ as ShadowNode,oy as ShadowNodeMaterial,_t as ShortType,vp as SkinningNode,C as Sphere,st as SphereGeometry,mi as SplitNode,ps as SpotLight,QN as SpotLightNode,Be as SpriteMaterial,ey as SpriteNodeMaterial,Ge as SrcAlphaFactor,It as SrcAlphaSaturateFactor,Ot as SrcColorFactor,Zy as StackNode,Ds as StackTrace,f as StaticDrawUsage,DC as Storage3DTexture,ip as StorageArrayElementNode,UC as StorageArrayTexture,_x as StorageBufferAttribute,ap as StorageBufferNode,Tx as StorageInstancedBufferAttribute,PC as StorageTexture,Cx as StorageTextureNode,tb as StructNode,eb as StructTypeNode,Fu as SubBuildNode,OT as SubgroupFunctionNode,Bt as SubtractEquation,Wt as SubtractiveBlending,lN as TSL,U as TangentSpaceNormalMap,hi as TempNode,N as Texture,Fx as Texture3DNode,Ll as TextureNode,Al as TextureSizeNode,wt as TimestampQuery,ju as ToneMappingNode,eT as ToonOutlinePassNode,Ke as UVMapping,De as Uint16BufferAttribute,Pe as Uint32BufferAttribute,kl as UniformArrayNode,ma as UniformGroupNode,_a as UniformNode,Sb as UnpackFloatNode,Ve as UnsignedByteType,ir as UnsignedInt101111Type,Oe as UnsignedInt248Type,sr as UnsignedInt5999Type,S as UnsignedIntType,tr as UnsignedShort4444Type,rr as UnsignedShort5551Type,Nt as UnsignedShortType,Px as UserDataNode,Ye as VSMShadowMap,Au as VarNode,Pu as VaryingNode,t as Vector2,r as Vector3,s as Vector4,Ux as VelocityNode,ag as VertexColorNode,qp as ViewportDepthNode,Wp as ViewportDepthTextureNode,Xx as ViewportSharedTextureNode,Op as ViewportTextureNode,hy as VolumeNodeMaterial,c as WebGLCoordinateSystem,h as WebGPUCoordinateSystem,MC as WebGPURenderer,mt as WebXRController,PT as WorkgroupInfoNode,ht as ZeroFactor,ls as ZeroStencilOp,Ct as createCanvasElement,ii as defaultBuildStages,si as defaultShaderStages,o as error,_ as log,ni as shaderStages,ai as vectorComponents,d as warn,v as warnOnce};
diff --git a/build/three.webgpu.nodes.js b/build/three.webgpu.nodes.js
index 238085434145c9..a6c4f0393c388c 100644
--- a/build/three.webgpu.nodes.js
+++ b/build/three.webgpu.nodes.js
@@ -3,7 +3,7 @@
  * Copyright 2010-2026 Three.js Authors
  * SPDX-License-Identifier: MIT
  */
-import { Color, Vector2, Vector3, Vector4, Matrix2, Matrix3, Matrix4, error, EventDispatcher, MathUtils, warn, WebGLCoordinateSystem, WebGPUCoordinateSystem, ColorManagement, SRGBTransfer, NoToneMapping, StaticDrawUsage, InterleavedBufferAttribute, InterleavedBuffer, DynamicDrawUsage, NoColorSpace, log as log$1, warnOnce, Texture, UnsignedIntType, IntType, Compatibility, LessCompare, NearestFilter, Sphere, BackSide, DoubleSide, Euler, CubeTexture, CubeReflectionMapping, CubeRefractionMapping, TangentSpaceNormalMap, NoNormalPacking, NormalRGPacking, NormalGAPacking, ObjectSpaceNormalMap, RGFormat, RED_GREEN_RGTC2_Format, RG11_EAC_Format, InstancedBufferAttribute, InstancedInterleavedBuffer, DataArrayTexture, FloatType, FramebufferTexture, LinearMipmapLinearFilter, DepthTexture, Material, LineBasicMaterial, LineDashedMaterial, NoBlending, MeshNormalMaterial, SRGBColorSpace, RenderTarget, BoxGeometry, Mesh, Scene, LinearFilter, CubeCamera, EquirectangularReflectionMapping, EquirectangularRefractionMapping, AddOperation, MixOperation, MultiplyOperation, MeshBasicMaterial, MeshLambertMaterial, MeshPhongMaterial, DataTexture, HalfFloatType, ClampToEdgeWrapping, BufferGeometry, OrthographicCamera, PerspectiveCamera, LinearSRGBColorSpace, RGBAFormat, CubeUVReflectionMapping, BufferAttribute, MeshStandardMaterial, MeshPhysicalMaterial, MeshToonMaterial, MeshMatcapMaterial, SpriteMaterial, PointsMaterial, ShadowMaterial, Uint32BufferAttribute, Uint16BufferAttribute, DepthStencilFormat, DepthFormat, UnsignedInt248Type, UnsignedByteType, NormalBlending, SrcAlphaFactor, OneMinusSrcAlphaFactor, AddEquation, MaterialBlending, Plane, Object3D, LinearMipMapLinearFilter, Float32BufferAttribute, UVMapping, VSMShadowMap, LessEqualCompare, PCFShadowMap, PCFSoftShadowMap, BasicShadowMap, CubeDepthTexture, SphereGeometry, LinearMipmapNearestFilter, NearestMipmapLinearFilter, Float16BufferAttribute, REVISION, ArrayCamera, PlaneGeometry, FrontSide, CustomBlending, ZeroFactor, CylinderGeometry, Quaternion, WebXRController, RAD2DEG, FrustumArray, Frustum, RedIntegerFormat, RedFormat, ShortType, ByteType, UnsignedShortType, RGIntegerFormat, RGBIntegerFormat, RGBFormat, RGBAIntegerFormat, TimestampQuery, createCanvasElement, ReverseSubtractEquation, SubtractEquation, OneMinusDstAlphaFactor, OneMinusDstColorFactor, OneMinusSrcColorFactor, DstAlphaFactor, DstColorFactor, SrcAlphaSaturateFactor, SrcColorFactor, OneFactor, CullFaceNone, CullFaceBack, CullFaceFront, MultiplyBlending, SubtractiveBlending, AdditiveBlending, NotEqualDepth, GreaterDepth, GreaterEqualDepth, EqualDepth, LessEqualDepth, LessDepth, AlwaysDepth, NeverDepth, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedInt5999Type, UnsignedInt101111Type, AlphaFormat, RGB_S3TC_DXT1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGB_PVRTC_4BPPV1_Format, RGB_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_PVRTC_2BPPV1_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGBA_ETC2_EAC_Format, R11_EAC_Format, SIGNED_R11_EAC_Format, SIGNED_RG11_EAC_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_10x10_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_BPTC_Format, RED_RGTC1_Format, SIGNED_RED_RGTC1_Format, SIGNED_RED_GREEN_RGTC2_Format, MirroredRepeatWrapping, RepeatWrapping, NearestMipmapNearestFilter, NotEqualCompare, GreaterCompare, GreaterEqualCompare, EqualCompare, AlwaysCompare, NeverCompare, LinearTransfer, getByteLength, isTypedArray, NotEqualStencilFunc, GreaterStencilFunc, GreaterEqualStencilFunc, EqualStencilFunc, LessEqualStencilFunc, LessStencilFunc, AlwaysStencilFunc, NeverStencilFunc, DecrementWrapStencilOp, IncrementWrapStencilOp, DecrementStencilOp, IncrementStencilOp, InvertStencilOp, ReplaceStencilOp, ZeroStencilOp, KeepStencilOp, MaxEquation, MinEquation, SpotLight, PointLight, DirectionalLight, RectAreaLight, AmbientLight, HemisphereLight, LightProbe, LinearToneMapping, ReinhardToneMapping, CineonToneMapping, ACESFilmicToneMapping, AgXToneMapping, NeutralToneMapping, Group, Loader, FileLoader, MaterialLoader, ObjectLoader } from './three.core.js';
+import { Color, Vector2, Vector3, Vector4, Matrix2, Matrix3, Matrix4, error, EventDispatcher, MathUtils, warn, WebGLCoordinateSystem, WebGPUCoordinateSystem, ColorManagement, SRGBTransfer, NoToneMapping, StaticDrawUsage, InterleavedBufferAttribute, InterleavedBuffer, DynamicDrawUsage, NoColorSpace, log as log$1, warnOnce, Texture, UnsignedIntType, IntType, Compatibility, LessCompare, NearestFilter, Sphere, BackSide, DoubleSide, Euler, CubeTexture, CubeReflectionMapping, CubeRefractionMapping, TangentSpaceNormalMap, NoNormalPacking, NormalRGPacking, NormalGAPacking, ObjectSpaceNormalMap, RGFormat, RED_GREEN_RGTC2_Format, RG11_EAC_Format, InstancedBufferAttribute, InstancedInterleavedBuffer, DataArrayTexture, FloatType, FramebufferTexture, LinearMipmapLinearFilter, DepthTexture, Material, LineBasicMaterial, LineDashedMaterial, NoBlending, MeshNormalMaterial, SRGBColorSpace, RenderTarget, BoxGeometry, Mesh, Scene, LinearFilter, CubeCamera, EquirectangularReflectionMapping, EquirectangularRefractionMapping, AddOperation, MixOperation, MultiplyOperation, MeshBasicMaterial, MeshLambertMaterial, MeshPhongMaterial, DataTexture, HalfFloatType, ClampToEdgeWrapping, BufferGeometry, OrthographicCamera, PerspectiveCamera, LinearSRGBColorSpace, RGBAFormat, CubeUVReflectionMapping, BufferAttribute, MeshStandardMaterial, MeshPhysicalMaterial, MeshToonMaterial, MeshMatcapMaterial, SpriteMaterial, PointsMaterial, ShadowMaterial, Uint32BufferAttribute, Uint16BufferAttribute, DepthStencilFormat, DepthFormat, UnsignedInt248Type, UnsignedByteType, NormalBlending, SrcAlphaFactor, OneMinusSrcAlphaFactor, AddEquation, MaterialBlending, Plane, Object3D, LinearMipMapLinearFilter, Float32BufferAttribute, UVMapping, VSMShadowMap, GreaterEqualCompare, LessEqualCompare, PCFShadowMap, PCFSoftShadowMap, BasicShadowMap, CubeDepthTexture, SphereGeometry, LinearMipmapNearestFilter, NearestMipmapLinearFilter, Float16BufferAttribute, REVISION, ArrayCamera, PlaneGeometry, FrontSide, CustomBlending, ZeroFactor, CylinderGeometry, Quaternion, WebXRController, RAD2DEG, FrustumArray, Frustum, RedIntegerFormat, RedFormat, ShortType, ByteType, UnsignedShortType, RGIntegerFormat, RGBIntegerFormat, RGBFormat, RGBAIntegerFormat, TimestampQuery, createCanvasElement, ReverseSubtractEquation, SubtractEquation, OneMinusDstAlphaFactor, OneMinusDstColorFactor, OneMinusSrcColorFactor, DstAlphaFactor, DstColorFactor, SrcAlphaSaturateFactor, SrcColorFactor, OneFactor, CullFaceNone, CullFaceBack, CullFaceFront, MultiplyBlending, SubtractiveBlending, AdditiveBlending, NotEqualDepth, GreaterDepth, GreaterEqualDepth, EqualDepth, LessEqualDepth, LessDepth, AlwaysDepth, NeverDepth, ReversedDepthFuncs, UnsignedShort4444Type, UnsignedShort5551Type, UnsignedInt5999Type, UnsignedInt101111Type, AlphaFormat, RGB_S3TC_DXT1_Format, RGBA_S3TC_DXT1_Format, RGBA_S3TC_DXT3_Format, RGBA_S3TC_DXT5_Format, RGB_PVRTC_4BPPV1_Format, RGB_PVRTC_2BPPV1_Format, RGBA_PVRTC_4BPPV1_Format, RGBA_PVRTC_2BPPV1_Format, RGB_ETC1_Format, RGB_ETC2_Format, RGBA_ETC2_EAC_Format, R11_EAC_Format, SIGNED_R11_EAC_Format, SIGNED_RG11_EAC_Format, RGBA_ASTC_4x4_Format, RGBA_ASTC_5x4_Format, RGBA_ASTC_5x5_Format, RGBA_ASTC_6x5_Format, RGBA_ASTC_6x6_Format, RGBA_ASTC_8x5_Format, RGBA_ASTC_8x6_Format, RGBA_ASTC_8x8_Format, RGBA_ASTC_10x5_Format, RGBA_ASTC_10x6_Format, RGBA_ASTC_10x8_Format, RGBA_ASTC_10x10_Format, RGBA_ASTC_12x10_Format, RGBA_ASTC_12x12_Format, RGBA_BPTC_Format, RED_RGTC1_Format, SIGNED_RED_RGTC1_Format, SIGNED_RED_GREEN_RGTC2_Format, MirroredRepeatWrapping, RepeatWrapping, NearestMipmapNearestFilter, NotEqualCompare, GreaterCompare, EqualCompare, AlwaysCompare, NeverCompare, LinearTransfer, getByteLength, isTypedArray, NotEqualStencilFunc, GreaterStencilFunc, GreaterEqualStencilFunc, EqualStencilFunc, LessEqualStencilFunc, LessStencilFunc, AlwaysStencilFunc, NeverStencilFunc, DecrementWrapStencilOp, IncrementWrapStencilOp, DecrementStencilOp, IncrementStencilOp, InvertStencilOp, ReplaceStencilOp, ZeroStencilOp, KeepStencilOp, MaxEquation, MinEquation, SpotLight, PointLight, DirectionalLight, RectAreaLight, AmbientLight, HemisphereLight, LightProbe, LinearToneMapping, ReinhardToneMapping, CineonToneMapping, ACESFilmicToneMapping, AgXToneMapping, NeutralToneMapping, Group, Loader, FileLoader, MaterialLoader, ObjectLoader } from './three.core.js';
 export { AdditiveAnimationBlendMode, AnimationAction, AnimationClip, AnimationLoader, AnimationMixer, AnimationObjectGroup, AnimationUtils, ArcCurve, ArrowHelper, AttachedBindMode, Audio, AudioAnalyser, AudioContext, AudioListener, AudioLoader, AxesHelper, BasicDepthPacking, BatchedMesh, BezierInterpolant, Bone, BooleanKeyframeTrack, Box2, Box3, Box3Helper, BoxHelper, BufferGeometryLoader, Cache, Camera, CameraHelper, CanvasTexture, CapsuleGeometry, CatmullRomCurve3, CircleGeometry, Clock, ColorKeyframeTrack, CompressedArrayTexture, CompressedCubeTexture, CompressedTexture, CompressedTextureLoader, ConeGeometry, ConstantAlphaFactor, ConstantColorFactor, Controls, CubeTextureLoader, CubicBezierCurve, CubicBezierCurve3, CubicInterpolant, CullFaceFrontBack, Curve, CurvePath, CustomToneMapping, Cylindrical, Data3DTexture, DataTextureLoader, DataUtils, DefaultLoadingManager, DetachedBindMode, DirectionalLightHelper, DiscreteInterpolant, DodecahedronGeometry, DynamicCopyUsage, DynamicReadUsage, EdgesGeometry, EllipseCurve, ExternalTexture, ExtrudeGeometry, Fog, FogExp2, GLBufferAttribute, GLSL1, GLSL3, GridHelper, HemisphereLightHelper, IcosahedronGeometry, ImageBitmapLoader, ImageLoader, ImageUtils, InstancedBufferGeometry, InstancedMesh, Int16BufferAttribute, Int32BufferAttribute, Int8BufferAttribute, Interpolant, InterpolateBezier, InterpolateDiscrete, InterpolateLinear, InterpolateSmooth, InterpolationSamplingMode, InterpolationSamplingType, KeyframeTrack, LOD, LatheGeometry, Layers, Light, Line, Line3, LineCurve, LineCurve3, LineLoop, LineSegments, LinearInterpolant, LinearMipMapNearestFilter, LoaderUtils, LoadingManager, LoopOnce, LoopPingPong, LoopRepeat, MOUSE, MeshDepthMaterial, MeshDistanceMaterial, NearestMipMapLinearFilter, NearestMipMapNearestFilter, NormalAnimationBlendMode, NumberKeyframeTrack, OctahedronGeometry, OneMinusConstantAlphaFactor, OneMinusConstantColorFactor, Path, PlaneHelper, PointLightHelper, Points, PolarGridHelper, PolyhedronGeometry, PositionalAudio, PropertyBinding, PropertyMixer, QuadraticBezierCurve, QuadraticBezierCurve3, QuaternionKeyframeTrack, QuaternionLinearInterpolant, RGBADepthPacking, RGBDepthPacking, RGB_BPTC_SIGNED_Format, RGB_BPTC_UNSIGNED_Format, RGDepthPacking, RawShaderMaterial, Ray, Raycaster, RenderTarget3D, RingGeometry, ShaderMaterial, Shape, ShapeGeometry, ShapePath, ShapeUtils, Skeleton, SkeletonHelper, SkinnedMesh, Source, Spherical, SphericalHarmonics3, SplineCurve, SpotLightHelper, Sprite, StaticCopyUsage, StaticReadUsage, StereoCamera, StreamCopyUsage, StreamDrawUsage, StreamReadUsage, StringKeyframeTrack, TOUCH, TetrahedronGeometry, TextureLoader, TextureUtils, Timer, TorusGeometry, TorusKnotGeometry, Triangle, TriangleFanDrawMode, TriangleStripDrawMode, TrianglesDrawMode, TubeGeometry, Uint8BufferAttribute, Uint8ClampedBufferAttribute, Uniform, UniformsGroup, VectorKeyframeTrack, VideoFrameTexture, VideoTexture, WebGL3DRenderTarget, WebGLArrayRenderTarget, WebGLRenderTarget, WireframeGeometry, WrapAroundEnding, ZeroCurvatureEnding, ZeroSlopeEnding, getConsoleFunction, setConsoleFunction } from './three.core.js';
 
 const refreshUniforms = [
@@ -2025,7 +2025,6 @@ class Node extends EventDispatcher {
 
 		//
 
-		builder.addNode( this );
 		builder.addChain( this );
 
 		/* Build stages expected results:
@@ -2039,6 +2038,8 @@ class Node extends EventDispatcher {
 
 		if ( buildStage === 'setup' ) {
 
+			builder.addNode( this );
+
 			this.updateReference( builder );
 
 			const properties = builder.getNodeProperties( this );
@@ -2075,6 +2076,8 @@ class Node extends EventDispatcher {
 
 				}
 
+				builder.addSequentialNode( this );
+
 			}
 
 			result = properties.outputNode;
@@ -2144,7 +2147,6 @@ class Node extends EventDispatcher {
 		}
 
 		builder.removeChain( this );
-		builder.addSequentialNode( this );
 
 		return result;
 
@@ -19642,6 +19644,18 @@ const orthographicDepthToViewZ = ( depth, near, far ) => near.sub( far ).mul( de
  */
 const viewZToPerspectiveDepth = ( viewZ, near, far ) => near.add( viewZ ).mul( far ).div( far.sub( near ).mul( viewZ ) );
 
+/**
+ * TSL function for converting a viewZ value to a reversed perspective depth value.
+ *
+ * @tsl
+ * @function
+ * @param {Node<float>} viewZ - The viewZ node.
+ * @param {Node<float>} near - The camera's near value.
+ * @param {Node<float>} far - The camera's far value.
+ * @returns {Node<float>}
+ */
+const viewZToReversedPerspectiveDepth = ( viewZ, near, far ) => near.mul( viewZ.add( far ) ).div( viewZ.mul( near.sub( far ) ) );
+
 /**
  * TSL function for converting a perspective depth value to a viewZ value.
  *
@@ -32753,8 +32767,17 @@ class RenderContexts {
 
 	/**
 	 * Constructs a new render context management component.
+	 *
+	 * @param {Renderer} renderer - The renderer.
 	 */
-	constructor() {
+	constructor( renderer ) {
+
+		/**
+		 * The renderer.
+		 *
+		 * @type {Renderer}
+		 */
+		this.renderer = renderer;
 
 		/**
 		 * A dictionary that manages render contexts.
@@ -32814,6 +32837,9 @@ class RenderContexts {
 
 		if ( renderTarget !== null ) renderState.sampleCount = renderTarget.samples === 0 ? 1 : renderTarget.samples;
 
+		renderState.clearDepthValue = this.renderer.getClearDepth();
+		renderState.clearStencilValue = this.renderer.getClearStencil();
+
 		return renderState;
 
 	}
@@ -37514,7 +37540,7 @@ const instancedArray = ( count, type = 'float' ) => {
 	}
 
 	const buffer = new StorageInstancedBufferAttribute( count, itemSize, typedArray );
-	const node = storage( buffer, type, count );
+	const node = storage( buffer, type, buffer.count );
 
 	return node;
 
@@ -38618,13 +38644,23 @@ class PassTextureNode extends TextureNode {
 		 */
 		this.passNode = passNode;
 
+		/**
+		 * This flag can be used for type testing.
+		 *
+		 * @type {boolean}
+		 * @default true
+		 * @readonly
+		 */
+		this.isPassTextureNode = true;
+
 		this.setUpdateMatrix( false );
 
 	}
 
 	setup( builder ) {
 
-		this.passNode.build( builder );
+		const properties = builder.getNodeProperties( this );
+		properties.passNode = this.passNode;
 
 		return super.setup( builder );
 
@@ -38681,6 +38717,15 @@ class PassMultipleTextureNode extends PassTextureNode {
 		 */
 		this.previousTexture = previousTexture;
 
+		/**
+		 * This flag can be used for type testing.
+		 *
+		 * @type {boolean}
+		 * @default true
+		 * @readonly
+		 */
+		this.isPassMultipleTextureNode = true;
+
 	}
 
 	/**
@@ -42935,7 +42980,7 @@ const PCFSoftShadowFilter = /*@__PURE__*/ Fn( ( { depthTexture, shadowCoord, sha
  * @param {Node<vec3>} inputs.shadowCoord - The shadow coordinates.
  * @return {Node<float>} The filtering result.
  */
-const VSMShadowFilter = /*@__PURE__*/ Fn( ( { depthTexture, shadowCoord, depthLayer } ) => {
+const VSMShadowFilter = /*@__PURE__*/ Fn( ( { depthTexture, shadowCoord, depthLayer }, builder ) => {
 
 	let distribution = texture( depthTexture ).sample( shadowCoord.xy );
 
@@ -42950,7 +42995,7 @@ const VSMShadowFilter = /*@__PURE__*/ Fn( ( { depthTexture, shadowCoord, depthLa
 	const mean = distribution.x;
 	const variance = max$1( 0.0000001, distribution.y.mul( distribution.y ) );
 
-	const hardShadow = step( shadowCoord.z, mean );
+	const hardShadow = ( builder.renderer.reversedDepthBuffer ) ? step( mean, shadowCoord.z ) : step( shadowCoord.z, mean );
 
 	const output = float( 1 ).toVar(); // default, fully lit
 
@@ -43355,12 +43400,6 @@ class ShadowNode extends ShadowBaseNode {
 
 			coordZ = shadowCoord.z;
 
-			if ( renderer.coordinateSystem === WebGPUCoordinateSystem ) {
-
-				coordZ = coordZ.mul( 2 ).sub( 1 ); // WebGPU: Conversion [ 0, 1 ] to [ - 1, 1 ]
-
-			}
-
 		} else {
 
 			const w = shadowCoord.w;
@@ -43379,7 +43418,7 @@ class ShadowNode extends ShadowBaseNode {
 		shadowCoord = vec3(
 			shadowCoord.x,
 			shadowCoord.y.oneMinus(), // follow webgpu standards
-			coordZ.add( bias )
+			renderer.reversedDepthBuffer ? coordZ.sub( bias ) : coordZ.add( bias )
 		);
 
 		return shadowCoord;
@@ -43403,7 +43442,7 @@ class ShadowNode extends ShadowBaseNode {
 
 		const depthTexture = new DepthTexture( shadow.mapSize.width, shadow.mapSize.height );
 		depthTexture.name = 'ShadowDepthTexture';
-		depthTexture.compareFunction = LessEqualCompare;
+		depthTexture.compareFunction = builder.renderer.reversedDepthBuffer ? GreaterEqualCompare : LessEqualCompare;
 
 		const shadowMap = builder.createRenderTarget( shadow.mapSize.width, shadow.mapSize.height );
 		shadowMap.texture.name = 'ShadowMap';
@@ -43952,7 +43991,7 @@ const PointShadowFilter = /*@__PURE__*/ Fn( ( { depthTexture, bd3D, dp, shadow }
 
 } );
 
-const pointShadowFilter = /*@__PURE__*/ Fn( ( { filterFn, depthTexture, shadowCoord, shadow } ) => {
+const pointShadowFilter = /*@__PURE__*/ Fn( ( { filterFn, depthTexture, shadowCoord, shadow }, builder ) => {
 
 	// for point lights, the uniform @vShadowCoord is re-purposed to hold
 	// the vector from the light to the world-space position of the fragment.
@@ -43968,8 +44007,19 @@ const pointShadowFilter = /*@__PURE__*/ Fn( ( { filterFn, depthTexture, shadowCo
 
 	If( viewZ.sub( shadowCameraFar ).lessThanEqual( 0.0 ).and( viewZ.sub( shadowCameraNear ).greaterThanEqual( 0.0 ) ), () => {
 
-		const dp = viewZToPerspectiveDepth( viewZ.negate(), shadowCameraNear, shadowCameraFar );
-		dp.addAssign( bias );
+		let dp;
+
+		if ( builder.renderer.reversedDepthBuffer ) {
+
+			dp = viewZToReversedPerspectiveDepth( viewZ.negate(), shadowCameraNear, shadowCameraFar );
+			dp.subAssign( bias );
+
+		} else {
+
+			dp = viewZToPerspectiveDepth( viewZ.negate(), shadowCameraNear, shadowCameraFar );
+			dp.addAssign( bias );
+
+		}
 
 		// bd3D = base direction 3D (direction from light to fragment)
 		const bd3D = shadowPosition.normalize();
@@ -44064,7 +44114,7 @@ class PointShadowNode extends ShadowNode {
 
 		const depthTexture = new CubeDepthTexture( shadow.mapSize.width );
 		depthTexture.name = 'PointShadowDepthTexture';
-		depthTexture.compareFunction = LessEqualCompare;
+		depthTexture.compareFunction = builder.renderer.reversedDepthBuffer ? GreaterEqualCompare : LessEqualCompare;
 
 		const shadowMap = builder.createCubeRenderTarget( shadow.mapSize.width );
 		shadowMap.texture.name = 'PointShadowMap';
@@ -47123,6 +47173,7 @@ var TSL = /*#__PURE__*/Object.freeze({
 	viewZToLogarithmicDepth: viewZToLogarithmicDepth,
 	viewZToOrthographicDepth: viewZToOrthographicDepth,
 	viewZToPerspectiveDepth: viewZToPerspectiveDepth,
+	viewZToReversedPerspectiveDepth: viewZToReversedPerspectiveDepth,
 	viewport: viewport,
 	viewportCoordinate: viewportCoordinate,
 	viewportDepthTexture: viewportDepthTexture,
@@ -47340,8 +47391,8 @@ class Background extends DataMap {
 
 			//
 
-			renderContext.depthClearValue = renderer._clearDepth;
-			renderContext.stencilClearValue = renderer._clearStencil;
+			renderContext.depthClearValue = renderer.getClearDepth();
+			renderContext.stencilClearValue = renderer.getClearStencil();
 
 			renderContext.clearColor = renderer.autoClearColor === true;
 			renderContext.clearDepth = renderer.autoClearDepth === true;
@@ -48725,9 +48776,9 @@ class Matrix4NodeUniform extends Matrix4Uniform {
 
 let _id$5 = 0;
 
-const sharedNodeData = new WeakMap();
+const _bindingGroupsCache = new WeakMap();
 
-const rendererCache = new WeakMap();
+const sharedNodeData = new WeakMap();
 
 const typeFromArray = new Map( [
 	[ Int8Array, 'int' ],
@@ -48830,7 +48881,10 @@ class NodeBuilder {
 		this.nodes = [];
 
 		/**
-		 * A list of all sequential nodes.
+		 * A list of all nodes the builder is processing in sequential order.
+		 *
+		 * This is used to determine the update order of nodes, which is important for
+		 * {@link NodeUpdateType#UPDATE_BEFORE} and {@link NodeUpdateType#UPDATE_AFTER}.
 		 *
 		 * @type {Array<Node>}
 		 */
@@ -49181,27 +49235,6 @@ class NodeBuilder {
 
 	}
 
-	/**
-	 * Returns the bind groups of the current renderer.
-	 *
-	 * @return {ChainMap} The cache.
-	 */
-	getBindGroupsCache() {
-
-		let bindGroupsCache = rendererCache.get( this.renderer );
-
-		if ( bindGroupsCache === undefined ) {
-
-			bindGroupsCache = new ChainMap();
-
-			rendererCache.set( this.renderer, bindGroupsCache );
-
-		}
-
-		return bindGroupsCache;
-
-	}
-
 	/**
 	 * Factory method for creating an instance of {@link RenderTarget} with the given
 	 * dimensions and options.
@@ -49262,19 +49295,21 @@ class NodeBuilder {
 	 */
 	_getBindGroup( groupName, bindings ) {
 
-		const bindGroupsCache = this.getBindGroupsCache();
+		const groupNode = bindings[ 0 ].groupNode;
 
-		//
+		let sharedGroup = groupNode.shared;
 
-		const bindingsArray = [];
+		if ( sharedGroup ) {
 
-		let sharedGroup = true;
+			for ( let i = 1; i < bindings.length; i ++ ) {
 
-		for ( const binding of bindings ) {
+				if ( groupNode !== bindings[ i ].groupNode ) {
 
-			bindingsArray.push( binding );
+					sharedGroup = false;
 
-			sharedGroup = sharedGroup && binding.groupNode.shared;
+				}
+
+			}
 
 		}
 
@@ -49284,19 +49319,67 @@ class NodeBuilder {
 
 		if ( sharedGroup ) {
 
-			bindGroup = bindGroupsCache.get( bindingsArray );
+			let cacheKeyString = '';
+
+			for ( const binding of bindings ) {
+
+				if ( binding.isNodeUniformsGroup ) {
+
+					binding.uniforms.sort( ( a, b ) => a.nodeUniform.node.id - b.nodeUniform.node.id );
+
+					for ( const uniform of binding.uniforms ) {
+
+						cacheKeyString += uniform.nodeUniform.node.id;
+
+					}
+
+				} else {
+
+					cacheKeyString += binding.nodeUniform.id;
+
+				}
+
+			}
+
+			// TODO: Remove this hack ._currentRenderContext
+
+			const currentContext = this.renderer._currentRenderContext || this.renderer; // use renderer as fallback until we have a compute context
+
+			let bindingGroupsCache = _bindingGroupsCache.get( currentContext );
+
+			if ( bindingGroupsCache === undefined ) {
+
+				bindingGroupsCache = new Map();
+
+				_bindingGroupsCache.set( currentContext, bindingGroupsCache );
+
+			}
+
+			//
+
+			const cacheKey = hashString( cacheKeyString );
+
+			bindGroup = bindingGroupsCache.get( cacheKey );
 
 			if ( bindGroup === undefined ) {
 
-				bindGroup = new BindGroup( groupName, bindingsArray, this.bindingsIndexes[ groupName ].group );
+				bindGroup = new BindGroup( groupName, bindings, this.bindingsIndexes[ groupName ].group );
+
+				bindingGroupsCache.set( cacheKey, bindGroup );
+
+			} else {
+
+				for ( let i = 0; i < bindings.length; i ++ ) {
 
-				bindGroupsCache.set( bindingsArray, bindGroup );
+					bindGroup.bindings[ i ].visibility |= bindings[ i ].visibility;
+
+				}
 
 			}
 
 		} else {
 
-			bindGroup = new BindGroup( groupName, bindingsArray, this.bindingsIndexes[ groupName ].group );
+			bindGroup = new BindGroup( groupName, bindings, this.bindingsIndexes[ groupName ].group );
 
 		}
 
@@ -49448,9 +49531,16 @@ class NodeBuilder {
 	 */
 	addSequentialNode( node ) {
 
-		if ( this.sequentialNodes.includes( node ) === false ) {
+		const updateBeforeType = node.getUpdateBeforeType();
+		const updateAfterType = node.getUpdateAfterType();
+
+		if ( updateBeforeType !== NodeUpdateType.NONE || updateAfterType !== NodeUpdateType.NONE ) {
 
-			this.sequentialNodes.push( node );
+			if ( this.sequentialNodes.includes( node ) === false ) {
+
+				this.sequentialNodes.push( node );
+
+			}
 
 		}
 
@@ -56645,6 +56735,7 @@ class Renderer {
 	 *
 	 * @typedef {Object} Renderer~Options
 	 * @property {boolean} [logarithmicDepthBuffer=false] - Whether logarithmic depth buffer is enabled or not.
+	 * @property {boolean} [reversedDepthBuffer=false] - Whether reversed depth buffer is enabled or not.
 	 * @property {boolean} [alpha=true] - Whether the default framebuffer (which represents the final contents of the canvas) should be transparent or opaque.
 	 * @property {boolean} [depth=true] - Whether the default framebuffer should have a depth buffer or not.
 	 * @property {boolean} [stencil=false] - Whether the default framebuffer should have a stencil buffer or not.
@@ -56679,6 +56770,7 @@ class Renderer {
 
 		const {
 			logarithmicDepthBuffer = false,
+			reversedDepthBuffer = false,
 			alpha = true,
 			depth = true,
 			stencil = false,
@@ -56746,9 +56838,19 @@ class Renderer {
 		 *
 		 * @type {boolean}
 		 * @default false
+		 * @readonly
 		 */
 		this.logarithmicDepthBuffer = logarithmicDepthBuffer;
 
+		/**
+		 * Whether reversed depth buffer is enabled or not.
+		 *
+		 * @type {boolean}
+		 * @default false
+		 * @readonly
+		 */
+		this.reversedDepthBuffer = reversedDepthBuffer;
+
 		/**
 		 * Defines the output color space of the renderer.
 		 *
@@ -57370,7 +57472,7 @@ class Renderer {
 			this._objects = new RenderObjects( this, this._nodes, this._geometries, this._pipelines, this._bindings, this.info );
 			this._renderLists = new RenderLists( this.lighting );
 			this._bundles = new RenderBundles();
-			this._renderContexts = new RenderContexts();
+			this._renderContexts = new RenderContexts( this );
 
 			//
 
@@ -58008,20 +58110,68 @@ class Renderer {
 
 		//
 
-		const coordinateSystem = this.coordinateSystem;
+
 		const xr = this.xr;
 
-		if ( camera.coordinateSystem !== coordinateSystem && xr.isPresenting === false ) {
+		if ( xr.isPresenting === false ) {
+
+			let projectionMatrixNeedsUpdate = false;
+
+			// reversed depth
+
+			if ( this.reversedDepthBuffer === true && camera.reversedDepth !== true ) {
+
+				camera._reversedDepth = true;
 
-			camera.coordinateSystem = coordinateSystem;
-			camera.updateProjectionMatrix();
+				if ( camera.isArrayCamera ) {
 
-			if ( camera.isArrayCamera ) {
+					for ( const subCamera of camera.cameras ) {
 
-				for ( const subCamera of camera.cameras ) {
+						subCamera._reversedDepth = true;
 
-					subCamera.coordinateSystem = coordinateSystem;
-					subCamera.updateProjectionMatrix();
+					}
+
+				}
+
+				projectionMatrixNeedsUpdate = true;
+
+			}
+
+			// WebGPU/WebGL coordinate system
+
+			const coordinateSystem = this.coordinateSystem;
+
+			if ( camera.coordinateSystem !== coordinateSystem ) {
+
+				camera.coordinateSystem = coordinateSystem;
+
+				if ( camera.isArrayCamera ) {
+
+					for ( const subCamera of camera.cameras ) {
+
+						subCamera.coordinateSystem = coordinateSystem;
+
+					}
+
+				}
+
+				projectionMatrixNeedsUpdate = true;
+
+			}
+
+			// camera update
+
+			if ( projectionMatrixNeedsUpdate === true ) {
+
+				camera.updateProjectionMatrix();
+
+				if ( camera.isArrayCamera ) {
+
+					for ( const subCamera of camera.cameras ) {
+
+						subCamera.updateProjectionMatrix();
+
+					}
 
 				}
 
@@ -58591,7 +58741,7 @@ class Renderer {
 	 */
 	getClearDepth() {
 
-		return this._clearDepth;
+		return ( this.reversedDepthBuffer === true ) ? 1 - this._clearDepth : this._clearDepth;
 
 	}
 
@@ -58683,6 +58833,8 @@ class Renderer {
 			renderContext.clearColorValue.g = color.g;
 			renderContext.clearColorValue.b = color.b;
 			renderContext.clearColorValue.a = color.a;
+			renderContext.clearDepthValue = this.getClearDepth();
+			renderContext.clearStencilValue = this.getClearStencil();
 			renderContext.activeCubeFace = this.getActiveCubeFace();
 			renderContext.activeMipmapLevel = this.getActiveMipmapLevel();
 
@@ -64099,6 +64251,7 @@ class WebGLState {
 		this.currentPolygonOffsetFactor = null;
 		this.currentPolygonOffsetUnits = null;
 		this.currentColorMask = null;
+		this.currentDepthReversed = false;
 		this.currentDepthFunc = null;
 		this.currentDepthMask = null;
 		this.currentStencilFunc = null;
@@ -64312,7 +64465,13 @@ class WebGLState {
 		const gl = this.gl;
 		const drawBuffersIndexedExt = this.backend.drawBuffersIndexedExt;
 
-		if ( ! drawBuffersIndexedExt ) return;
+		if ( ! drawBuffersIndexedExt ) {
+
+			warnOnce( 'WebGPURenderer: Multiple Render Targets (MRT) blending configuration is not fully supported in compatibility mode. The material blending will be used for all render targets.' );
+
+			return;
+
+		}
 
 		for ( let i = 0; i < textures.length; i ++ ) {
 
@@ -64638,6 +64797,34 @@ class WebGLState {
 
 	}
 
+
+	/**
+	 * Configures the WebGL state to use a reversed depth buffer.
+	 *
+	 * @param {boolean} reversed - Whether the depth buffer is reversed or not.
+	 */
+	setReversedDepth( reversed ) {
+
+		if ( this.currentDepthReversed !== reversed ) {
+
+			const ext = this.backend.extensions.get( 'EXT_clip_control' );
+
+			if ( reversed ) {
+
+				ext.clipControlEXT( ext.LOWER_LEFT_EXT, ext.ZERO_TO_ONE_EXT );
+
+			} else {
+
+				ext.clipControlEXT( ext.LOWER_LEFT_EXT, ext.NEGATIVE_ONE_TO_ONE_EXT );
+
+			}
+
+			this.currentDepthReversed = reversed;
+
+		}
+
+	}
+
 	/**
 	 * Specifies whether depth values can be written when rendering
 	 * into a framebuffer or not.
@@ -64668,6 +64855,8 @@ class WebGLState {
 	 */
 	setDepthFunc( depthFunc ) {
 
+		if ( this.currentDepthReversed ) depthFunc = ReversedDepthFuncs[ depthFunc ];
+
 		if ( this.currentDepthFunc !== depthFunc ) {
 
 			const { gl } = this;
@@ -67796,6 +67985,7 @@ class WebGLBackend extends Backend {
 	 *
 	 * @typedef {Object} WebGLBackend~Options
 	 * @property {boolean} [logarithmicDepthBuffer=false] - Whether logarithmic depth buffer is enabled or not.
+	 * @property {boolean} [reversedDepthBuffer=false] - Whether reversed depth buffer is enabled or not.
 	 * @property {boolean} [alpha=true] - Whether the default framebuffer (which represents the final contents of the canvas) should be transparent or opaque.
 	 * @property {boolean} [depth=true] - Whether the default framebuffer should have a depth buffer or not.
 	 * @property {boolean} [stencil=false] - Whether the default framebuffer should have a stencil buffer or not.
@@ -67952,7 +68142,6 @@ class WebGLBackend extends Backend {
 		 */
 		this._knownBindings = new WeakSet();
 
-
 		/**
 		 * Whether the device supports framebuffers invalidation or not.
 		 *
@@ -68033,11 +68222,18 @@ class WebGLBackend extends Backend {
 		this.extensions.get( 'WEBGL_render_shared_exponent' );
 		this.extensions.get( 'WEBGL_multi_draw' );
 		this.extensions.get( 'OVR_multiview2' );
+		this.extensions.get( 'EXT_clip_control' );
 
 		this.disjoint = this.extensions.get( 'EXT_disjoint_timer_query_webgl2' );
 		this.parallel = this.extensions.get( 'KHR_parallel_shader_compile' );
 		this.drawBuffersIndexedExt = this.extensions.get( 'OES_draw_buffers_indexed' );
 
+		if ( parameters.reversedDepthBuffer === true && this.extensions.has( 'EXT_clip_control' ) ) {
+
+			this.state.setReversedDepth( true );
+
+		}
+
 	}
 
 	/**
@@ -73225,6 +73421,29 @@ fn tsl_biquadraticTexture( map : texture_2d<f32>, coord : vec2f, iRes : vec2u, l
 
 	return mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );
 
+}
+` ),
+	biquadraticTextureArray: new CodeNode( /* wgsl */`
+fn tsl_biquadraticTexture_array( map : texture_2d_array<f32>, coord : vec2f, iRes : vec2u, layer : u32, level : u32 ) -> vec4f {
+
+	let res = vec2f( iRes );
+
+	let uvScaled = coord * res;
+	let uvWrapping = ( ( uvScaled % res ) + res ) % res;
+
+	// https://www.shadertoy.com/view/WtyXRy
+
+	let uv = uvWrapping - 0.5;
+	let iuv = floor( uv );
+	let f = fract( uv );
+
+	let rg1 = textureLoad( map, vec2u( iuv + vec2( 0.5, 0.5 ) ) % iRes, layer, level );
+	let rg2 = textureLoad( map, vec2u( iuv + vec2( 1.5, 0.5 ) ) % iRes, layer, level );
+	let rg3 = textureLoad( map, vec2u( iuv + vec2( 0.5, 1.5 ) ) % iRes, layer, level );
+	let rg4 = textureLoad( map, vec2u( iuv + vec2( 1.5, 1.5 ) ) % iRes, layer, level );
+
+	return mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );
+
 }
 ` )
 };
@@ -73384,17 +73603,31 @@ class WGSLNodeBuilder extends NodeBuilder {
 
 		if ( this.isUnfilterable( texture ) === false ) {
 
-			if ( offsetSnippet ) {
+			if ( depthSnippet ) {
+
+				if ( offsetSnippet ) {
 
-				return `textureSampleLevel( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ levelSnippet }, ${ offsetSnippet } )`;
+					return `textureSampleLevel( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ depthSnippet }, ${ levelSnippet }, ${ offsetSnippet } )`;
 
-			}
+				}
+
+				return `textureSampleLevel( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ depthSnippet }, ${ levelSnippet } )`;
+
+			} else {
+
+				if ( offsetSnippet ) {
+
+					return `textureSampleLevel( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ levelSnippet }, ${ offsetSnippet } )`;
+
+				}
+
+				return `textureSampleLevel( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ levelSnippet } )`;
 
-			return `textureSampleLevel( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ levelSnippet } )`;
+			}
 
 		} else if ( this.isFilteredTexture( texture ) ) {
 
-			return this.generateFilteredTexture( texture, textureProperty, uvSnippet, offsetSnippet, levelSnippet );
+			return this.generateFilteredTexture( texture, textureProperty, uvSnippet, offsetSnippet, levelSnippet, depthSnippet );
 
 		} else {
 
@@ -73578,11 +73811,10 @@ class WGSLNodeBuilder extends NodeBuilder {
 	 * @param {string} uvSnippet - A WGSL snippet that represents texture coordinates used for sampling.
 	 * @param {?string} offsetSnippet - A WGSL snippet that represents the offset that will be applied to the unnormalized texture coordinate before sampling the texture.
 	 * @param {string} [levelSnippet='0u'] - A WGSL snippet that represents the mip level, with level 0 containing a full size version of the texture.
+	 * @param {?string} depthSnippet - A WGSL snippet that represents 0-based texture array index to sample.
 	 * @return {string} The WGSL snippet.
 	 */
-	generateFilteredTexture( texture, textureProperty, uvSnippet, offsetSnippet, levelSnippet = '0u' ) {
-
-		this._include( 'biquadraticTexture' );
+	generateFilteredTexture( texture, textureProperty, uvSnippet, offsetSnippet, levelSnippet = '0u', depthSnippet ) {
 
 		const wrapFunction = this.generateWrapFunction( texture );
 		const textureDimension = this.generateTextureDimension( texture, textureProperty, levelSnippet );
@@ -73593,6 +73825,16 @@ class WGSLNodeBuilder extends NodeBuilder {
 
 		}
 
+		if ( depthSnippet ) {
+
+			this._include( 'biquadraticTextureArray' );
+
+			return `tsl_biquadraticTexture_array( ${ textureProperty }, ${ wrapFunction }( ${ uvSnippet } ), ${ textureDimension }, u32( ${ depthSnippet } ), u32( ${ levelSnippet } ) )`;
+
+		}
+
+		this._include( 'biquadraticTexture' );
+
 		return `tsl_biquadraticTexture( ${ textureProperty }, ${ wrapFunction }( ${ uvSnippet } ), ${ textureDimension }, u32( ${ levelSnippet } ) )`;
 
 	}
@@ -73811,14 +74053,27 @@ class WGSLNodeBuilder extends NodeBuilder {
 
 		if ( shaderStage === 'fragment' ) {
 
-			// TODO handle i32 or u32 --> uvSnippet, array_index: A, ddx, ddy
-			if ( offsetSnippet ) {
+			if ( depthSnippet ) {
 
-				return `textureSampleGrad( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet },  ${ gradSnippet[ 0 ] }, ${ gradSnippet[ 1 ] }, ${ offsetSnippet } )`;
+				if ( offsetSnippet ) {
 
-			}
+					return `textureSampleGrad( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ depthSnippet }, ${ gradSnippet[ 0 ] }, ${ gradSnippet[ 1 ] }, ${ offsetSnippet } )`;
+
+				}
+
+				return `textureSampleGrad( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ depthSnippet }, ${ gradSnippet[ 0 ] }, ${ gradSnippet[ 1 ] } )`;
+
+			} else {
+
+				if ( offsetSnippet ) {
+
+					return `textureSampleGrad( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ gradSnippet[ 0 ] }, ${ gradSnippet[ 1 ] }, ${ offsetSnippet } )`;
+
+				}
+
+				return `textureSampleGrad( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ gradSnippet[ 0 ] }, ${ gradSnippet[ 1 ] } )`;
 
-			return `textureSampleGrad( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet },  ${ gradSnippet[ 0 ] }, ${ gradSnippet[ 1 ] } )`;
+			}
 
 		} else {
 
@@ -73889,17 +74144,31 @@ class WGSLNodeBuilder extends NodeBuilder {
 
 		if ( this.isUnfilterable( texture ) === false ) {
 
-			if ( offsetSnippet ) {
+			if ( depthSnippet ) {
 
-				return `textureSampleLevel( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ levelSnippet }, ${ offsetSnippet } )`;
+				if ( offsetSnippet ) {
 
-			}
+					return `textureSampleLevel( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ depthSnippet }, ${ levelSnippet }, ${ offsetSnippet } )`;
+
+				}
+
+				return `textureSampleLevel( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ depthSnippet }, ${ levelSnippet } )`;
+
+			} else {
+
+				if ( offsetSnippet ) {
+
+					return `textureSampleLevel( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ levelSnippet }, ${ offsetSnippet } )`;
+
+				}
 
-			return `textureSampleLevel( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ levelSnippet } )`;
+				return `textureSampleLevel( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ levelSnippet } )`;
+
+			}
 
 		} else if ( this.isFilteredTexture( texture ) ) {
 
-			return this.generateFilteredTexture( texture, textureProperty, uvSnippet, offsetSnippet, levelSnippet );
+			return this.generateFilteredTexture( texture, textureProperty, uvSnippet, offsetSnippet, levelSnippet, depthSnippet );
 
 		} else {
 
@@ -73925,13 +74194,27 @@ class WGSLNodeBuilder extends NodeBuilder {
 
 		if ( shaderStage === 'fragment' ) {
 
-			if ( offsetSnippet ) {
+			if ( depthSnippet ) {
+
+				if ( offsetSnippet ) {
 
-				return `textureSampleBias( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ biasSnippet }, ${ offsetSnippet } )`;
+					return `textureSampleBias( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ depthSnippet }, ${ biasSnippet }, ${ offsetSnippet } )`;
 
-			}
+				}
 
-			return `textureSampleBias( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ biasSnippet } )`;
+				return `textureSampleBias( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ depthSnippet }, ${ biasSnippet } )`;
+
+			} else {
+
+				if ( offsetSnippet ) {
+
+					return `textureSampleBias( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ biasSnippet }, ${ offsetSnippet } )`;
+
+				}
+
+				return `textureSampleBias( ${ textureProperty }, ${ textureProperty }_sampler, ${ uvSnippet }, ${ biasSnippet } )`;
+
+			}
 
 		} else {
 
@@ -74172,23 +74455,18 @@ class WGSLNodeBuilder extends NodeBuilder {
 				if ( uniformsGroup === undefined ) {
 
 					uniformsGroup = new NodeUniformsGroup( groupName, group );
-					uniformsGroup.setVisibility( gpuShaderStageLib[ shaderStage ] );
 
 					this.uniformGroups[ groupName ] = uniformsGroup;
 
-					bindings.push( uniformsGroup );
-
-				} else {
-
-					// Update visibility to include this shader stage (bitwise OR)
-					uniformsGroup.setVisibility( uniformsGroup.getVisibility() | gpuShaderStageLib[ shaderStage ] );
+				}
 
-					// Add to bindings for this stage if not already present
-					if ( bindings.indexOf( uniformsGroup ) === -1 ) {
+				// Update visibility to include this shader stage (bitwise OR)
+				uniformsGroup.setVisibility( uniformsGroup.getVisibility() | gpuShaderStageLib[ shaderStage ] );
 
-						bindings.push( uniformsGroup );
+				// Add to bindings for this stage if not already present
+				if ( bindings.indexOf( uniformsGroup ) === -1 ) {
 
-					}
+					bindings.push( uniformsGroup );
 
 				}
 
@@ -76276,36 +76554,63 @@ class WebGPUBindingUtils {
 
 		const bindingsData = backend.get( bindGroup );
 
-		// check if the the bind group already has a layout
+		const entries = this._createLayoutEntries( bindGroup );
+		const bindGroupLayoutHash = hashString( JSON.stringify( entries ) );
+
+		let layoutChanged = false;
+
+		// check if the bind group already has a layout and if it's still valid
 
 		if ( bindingsData.layout ) {
 
-			return bindingsData.layout.layoutGPU;
+			// if the layout hash changed (e.g. visibility was updated), invalidate the old layout
 
-		}
+			if ( bindingsData.layoutHash !== bindGroupLayoutHash ) {
 
-		// if not, assing one
+				bindingsData.layout.usedTimes --;
 
-		const entries = this._createLayoutEntries( bindGroup );
-		const bindGroupLayoutKey = JSON.stringify( entries );
+				if ( bindingsData.layout.usedTimes === 0 ) {
+
+					this._bindGroupLayoutCache.delete( bindingsData.layoutHash );
 
-		// try to find an existing layout in the cache
+				}
+
+				bindingsData.layout = undefined;
+				bindingsData.layoutHash = undefined;
 
-		let bindGroupLayout = this._bindGroupLayoutCache.get( bindGroupLayoutKey );
+				layoutChanged = true;
 
-		// if not create a new one
+			} else {
+
+				return bindingsData.layout.layoutGPU;
+
+			}
+
+		}
+
+		// create or reuse a bind group layout from the cache
+
+		let bindGroupLayout = this._bindGroupLayoutCache.get( bindGroupLayoutHash );
 
 		if ( bindGroupLayout === undefined ) {
 
 			bindGroupLayout = new BindGroupLayout( device.createBindGroupLayout( { entries } ) );
-			this._bindGroupLayoutCache.set( bindGroupLayoutKey, bindGroupLayout );
+			this._bindGroupLayoutCache.set( bindGroupLayoutHash, bindGroupLayout );
 
 		}
 
 		bindGroupLayout.usedTimes ++;
 
 		bindingsData.layout = bindGroupLayout;
-		bindingsData.layoutKey = bindGroupLayoutKey;
+		bindingsData.layoutHash = bindGroupLayoutHash;
+
+		// if layout changed, recreate the GPU bind group with the new layout
+
+		if ( layoutChanged ) {
+
+			bindingsData.group = this.createBindGroup( bindGroup, bindGroupLayout.layoutGPU );
+
+		}
 
 		return bindGroupLayout.layoutGPU;
 
@@ -76804,12 +77109,12 @@ class WebGPUBindingUtils {
 
 			if ( bindingsData.layout.usedTimes === 0 ) {
 
-				this._bindGroupLayoutCache.delete( bindingsData.layoutKey );
+				this._bindGroupLayoutCache.delete( bindingsData.layoutHash );
 
 			}
 
 			bindingsData.layout = undefined;
-			bindingsData.layoutKey = undefined;
+			bindingsData.layoutHash = undefined;
 
 		}
 
@@ -76914,8 +77219,8 @@ class WebGPUPipelineUtils {
 
 		for ( const bindGroup of renderObject.getBindings() ) {
 
-			const bindingsData = backend.get( bindGroup );
-			const { layoutGPU } = bindingsData.layout;
+			// ensure layout is up to date (visibility may have changed due to shared bind groups)
+			const layoutGPU = backend.bindingUtils.createBindingsLayout( bindGroup );
 
 			bindGroupLayouts.push( layoutGPU );
 
@@ -76970,15 +77275,25 @@ class WebGPUPipelineUtils {
 
 				if ( mrt !== null ) {
 
-					const blendMode = mrt.getBlendMode( texture.name );
+					if ( this.backend.compatibilityMode !== true ) {
 
-					if ( blendMode.blending === MaterialBlending ) {
+						const blendMode = mrt.getBlendMode( texture.name );
 
-						blending = materialBlending;
+						if ( blendMode.blending === MaterialBlending ) {
+
+							blending = materialBlending;
+
+						} else if ( blendMode.blending !== NoBlending ) {
 
-					} else if ( blendMode.blending !== NoBlending ) {
+							blending = this._getBlending( blendMode );
+
+						}
 
-						blending = this._getBlending( blendMode );
+					} else {
+
+						warnOnce( 'WebGPURenderer: Multiple Render Targets (MRT) blending configuration is not fully supported in compatibility mode. The material blending will be used for all render targets.' );
+
+						blending = materialBlending;
 
 					}
 
@@ -77165,8 +77480,8 @@ class WebGPUPipelineUtils {
 
 		for ( const bindingsGroup of bindings ) {
 
-			const bindingsData = backend.get( bindingsGroup );
-			const { layoutGPU } = bindingsData.layout;
+			// ensure layout is up to date (visibility may have changed due to shared bind groups)
+			const layoutGPU = backend.bindingUtils.createBindingsLayout( bindingsGroup );
 
 			bindGroupLayouts.push( layoutGPU );
 
@@ -77589,11 +77904,11 @@ class WebGPUPipelineUtils {
 
 		if ( material.depthTest === false ) {
 
-			depthCompare = GPUCompareFunction.Always;
+			depthCompare = ( this.backend.parameters.reversedDepthBuffer ) ? GPUCompareFunction.Never : GPUCompareFunction.Always;
 
 		} else {
 
-			const depthFunc = material.depthFunc;
+			const depthFunc = ( this.backend.parameters.reversedDepthBuffer ) ? ReversedDepthFuncs[ material.depthFunc ] : material.depthFunc;
 
 			switch ( depthFunc ) {
 
@@ -77966,6 +78281,7 @@ class WebGPUBackend extends Backend {
 	 *
 	 * @typedef {Object} WebGPUBackend~Options
 	 * @property {boolean} [logarithmicDepthBuffer=false] - Whether logarithmic depth buffer is enabled or not.
+	 * @property {boolean} [reversedDepthBuffer=false] - Whether reversed depth buffer is enabled or not.
 	 * @property {boolean} [alpha=true] - Whether the default framebuffer (which represents the final contents of the canvas) should be transparent or opaque.
 	 * @property {boolean} [depth=true] - Whether the default framebuffer should have a depth buffer or not.
 	 * @property {boolean} [stencil=false] - Whether the default framebuffer should have a stencil buffer or not.
diff --git a/build/three.webgpu.nodes.min.js b/build/three.webgpu.nodes.min.js
index 6856ddf7150596..0ab53cab5a4f7f 100644
--- a/build/three.webgpu.nodes.min.js
+++ b/build/three.webgpu.nodes.min.js
@@ -3,4 +3,4 @@
  * Copyright 2010-2026 Three.js Authors
  * SPDX-License-Identifier: MIT
  */
-import{Color as e,Vector2 as t,Vector3 as r,Vector4 as s,Matrix2 as i,Matrix3 as n,Matrix4 as a,error as o,EventDispatcher as u,MathUtils as l,warn as d,WebGLCoordinateSystem as c,WebGPUCoordinateSystem as h,ColorManagement as p,SRGBTransfer as g,NoToneMapping as m,StaticDrawUsage as f,InterleavedBufferAttribute as y,InterleavedBuffer as b,DynamicDrawUsage as x,NoColorSpace as T,log as _,warnOnce as v,Texture as N,UnsignedIntType as S,IntType as R,Compatibility as E,LessCompare as A,NearestFilter as w,Sphere as C,BackSide as M,DoubleSide as B,Euler as F,CubeTexture as L,CubeReflectionMapping as P,CubeRefractionMapping as D,TangentSpaceNormalMap as U,NoNormalPacking as I,NormalRGPacking as O,NormalGAPacking as V,ObjectSpaceNormalMap as k,RGFormat as G,RED_GREEN_RGTC2_Format as z,RG11_EAC_Format as $,InstancedBufferAttribute as W,InstancedInterleavedBuffer as H,DataArrayTexture as q,FloatType as j,FramebufferTexture as X,LinearMipmapLinearFilter as K,DepthTexture as Y,Material as Q,LineBasicMaterial as Z,LineDashedMaterial as J,NoBlending as ee,MeshNormalMaterial as te,SRGBColorSpace as re,RenderTarget as se,BoxGeometry as ie,Mesh as ne,Scene as ae,LinearFilter as oe,CubeCamera as ue,EquirectangularReflectionMapping as le,EquirectangularRefractionMapping as de,AddOperation as ce,MixOperation as he,MultiplyOperation as pe,MeshBasicMaterial as ge,MeshLambertMaterial as me,MeshPhongMaterial as fe,DataTexture as ye,HalfFloatType as be,ClampToEdgeWrapping as xe,BufferGeometry as Te,OrthographicCamera as _e,PerspectiveCamera as ve,LinearSRGBColorSpace as Ne,RGBAFormat as Se,CubeUVReflectionMapping as Re,BufferAttribute as Ee,MeshStandardMaterial as Ae,MeshPhysicalMaterial as we,MeshToonMaterial as Ce,MeshMatcapMaterial as Me,SpriteMaterial as Be,PointsMaterial as Fe,ShadowMaterial as Le,Uint32BufferAttribute as Pe,Uint16BufferAttribute as De,DepthStencilFormat as Ue,DepthFormat as Ie,UnsignedInt248Type as Oe,UnsignedByteType as Ve,NormalBlending as ke,SrcAlphaFactor as Ge,OneMinusSrcAlphaFactor as ze,AddEquation as $e,MaterialBlending as We,Plane as He,Object3D as qe,LinearMipMapLinearFilter as je,Float32BufferAttribute as Xe,UVMapping as Ke,VSMShadowMap as Ye,LessEqualCompare as Qe,PCFShadowMap as Ze,PCFSoftShadowMap as Je,BasicShadowMap as et,CubeDepthTexture as tt,SphereGeometry as rt,LinearMipmapNearestFilter as st,NearestMipmapLinearFilter as it,Float16BufferAttribute as nt,REVISION as at,ArrayCamera as ot,PlaneGeometry as ut,FrontSide as lt,CustomBlending as dt,ZeroFactor as ct,CylinderGeometry as ht,Quaternion as pt,WebXRController as gt,RAD2DEG as mt,FrustumArray as ft,Frustum as yt,RedIntegerFormat as bt,RedFormat as xt,ShortType as Tt,ByteType as _t,UnsignedShortType as vt,RGIntegerFormat as Nt,RGBIntegerFormat as St,RGBFormat as Rt,RGBAIntegerFormat as Et,TimestampQuery as At,createCanvasElement as wt,ReverseSubtractEquation as Ct,SubtractEquation as Mt,OneMinusDstAlphaFactor as Bt,OneMinusDstColorFactor as Ft,OneMinusSrcColorFactor as Lt,DstAlphaFactor as Pt,DstColorFactor as Dt,SrcAlphaSaturateFactor as Ut,SrcColorFactor as It,OneFactor as Ot,CullFaceNone as Vt,CullFaceBack as kt,CullFaceFront as Gt,MultiplyBlending as zt,SubtractiveBlending as $t,AdditiveBlending as Wt,NotEqualDepth as Ht,GreaterDepth as qt,GreaterEqualDepth as jt,EqualDepth as Xt,LessEqualDepth as Kt,LessDepth as Yt,AlwaysDepth as Qt,NeverDepth as Zt,UnsignedShort4444Type as Jt,UnsignedShort5551Type as er,UnsignedInt5999Type as tr,UnsignedInt101111Type as rr,AlphaFormat as sr,RGB_S3TC_DXT1_Format as ir,RGBA_S3TC_DXT1_Format as nr,RGBA_S3TC_DXT3_Format as ar,RGBA_S3TC_DXT5_Format as or,RGB_PVRTC_4BPPV1_Format as ur,RGB_PVRTC_2BPPV1_Format as lr,RGBA_PVRTC_4BPPV1_Format as dr,RGBA_PVRTC_2BPPV1_Format as cr,RGB_ETC1_Format as hr,RGB_ETC2_Format as pr,RGBA_ETC2_EAC_Format as gr,R11_EAC_Format as mr,SIGNED_R11_EAC_Format as fr,SIGNED_RG11_EAC_Format as yr,RGBA_ASTC_4x4_Format as br,RGBA_ASTC_5x4_Format as xr,RGBA_ASTC_5x5_Format as Tr,RGBA_ASTC_6x5_Format as _r,RGBA_ASTC_6x6_Format as vr,RGBA_ASTC_8x5_Format as Nr,RGBA_ASTC_8x6_Format as Sr,RGBA_ASTC_8x8_Format as Rr,RGBA_ASTC_10x5_Format as Er,RGBA_ASTC_10x6_Format as Ar,RGBA_ASTC_10x8_Format as wr,RGBA_ASTC_10x10_Format as Cr,RGBA_ASTC_12x10_Format as Mr,RGBA_ASTC_12x12_Format as Br,RGBA_BPTC_Format as Fr,RED_RGTC1_Format as Lr,SIGNED_RED_RGTC1_Format as Pr,SIGNED_RED_GREEN_RGTC2_Format as Dr,MirroredRepeatWrapping as Ur,RepeatWrapping as Ir,NearestMipmapNearestFilter as Or,NotEqualCompare as Vr,GreaterCompare as kr,GreaterEqualCompare as Gr,EqualCompare as zr,AlwaysCompare as $r,NeverCompare as Wr,LinearTransfer as Hr,getByteLength as qr,isTypedArray as jr,NotEqualStencilFunc as Xr,GreaterStencilFunc as Kr,GreaterEqualStencilFunc as Yr,EqualStencilFunc as Qr,LessEqualStencilFunc as Zr,LessStencilFunc as Jr,AlwaysStencilFunc as es,NeverStencilFunc as ts,DecrementWrapStencilOp as rs,IncrementWrapStencilOp as ss,DecrementStencilOp as is,IncrementStencilOp as ns,InvertStencilOp as as,ReplaceStencilOp as os,ZeroStencilOp as us,KeepStencilOp as ls,MaxEquation as ds,MinEquation as cs,SpotLight as hs,PointLight as ps,DirectionalLight as gs,RectAreaLight as ms,AmbientLight as fs,HemisphereLight as ys,LightProbe as bs,LinearToneMapping as xs,ReinhardToneMapping as Ts,CineonToneMapping as _s,ACESFilmicToneMapping as vs,AgXToneMapping as Ns,NeutralToneMapping as Ss,Group as Rs,Loader as Es,FileLoader as As,MaterialLoader as ws,ObjectLoader as Cs}from"./three.core.min.js";export{AdditiveAnimationBlendMode,AnimationAction,AnimationClip,AnimationLoader,AnimationMixer,AnimationObjectGroup,AnimationUtils,ArcCurve,ArrowHelper,AttachedBindMode,Audio,AudioAnalyser,AudioContext,AudioListener,AudioLoader,AxesHelper,BasicDepthPacking,BatchedMesh,BezierInterpolant,Bone,BooleanKeyframeTrack,Box2,Box3,Box3Helper,BoxHelper,BufferGeometryLoader,Cache,Camera,CameraHelper,CanvasTexture,CapsuleGeometry,CatmullRomCurve3,CircleGeometry,Clock,ColorKeyframeTrack,CompressedArrayTexture,CompressedCubeTexture,CompressedTexture,CompressedTextureLoader,ConeGeometry,ConstantAlphaFactor,ConstantColorFactor,Controls,CubeTextureLoader,CubicBezierCurve,CubicBezierCurve3,CubicInterpolant,CullFaceFrontBack,Curve,CurvePath,CustomToneMapping,Cylindrical,Data3DTexture,DataTextureLoader,DataUtils,DefaultLoadingManager,DetachedBindMode,DirectionalLightHelper,DiscreteInterpolant,DodecahedronGeometry,DynamicCopyUsage,DynamicReadUsage,EdgesGeometry,EllipseCurve,ExternalTexture,ExtrudeGeometry,Fog,FogExp2,GLBufferAttribute,GLSL1,GLSL3,GridHelper,HemisphereLightHelper,IcosahedronGeometry,ImageBitmapLoader,ImageLoader,ImageUtils,InstancedBufferGeometry,InstancedMesh,Int16BufferAttribute,Int32BufferAttribute,Int8BufferAttribute,Interpolant,InterpolateBezier,InterpolateDiscrete,InterpolateLinear,InterpolateSmooth,InterpolationSamplingMode,InterpolationSamplingType,KeyframeTrack,LOD,LatheGeometry,Layers,Light,Line,Line3,LineCurve,LineCurve3,LineLoop,LineSegments,LinearInterpolant,LinearMipMapNearestFilter,LoaderUtils,LoadingManager,LoopOnce,LoopPingPong,LoopRepeat,MOUSE,MeshDepthMaterial,MeshDistanceMaterial,NearestMipMapLinearFilter,NearestMipMapNearestFilter,NormalAnimationBlendMode,NumberKeyframeTrack,OctahedronGeometry,OneMinusConstantAlphaFactor,OneMinusConstantColorFactor,Path,PlaneHelper,PointLightHelper,Points,PolarGridHelper,PolyhedronGeometry,PositionalAudio,PropertyBinding,PropertyMixer,QuadraticBezierCurve,QuadraticBezierCurve3,QuaternionKeyframeTrack,QuaternionLinearInterpolant,RGBADepthPacking,RGBDepthPacking,RGB_BPTC_SIGNED_Format,RGB_BPTC_UNSIGNED_Format,RGDepthPacking,RawShaderMaterial,Ray,Raycaster,RenderTarget3D,RingGeometry,ShaderMaterial,Shape,ShapeGeometry,ShapePath,ShapeUtils,Skeleton,SkeletonHelper,SkinnedMesh,Source,Spherical,SphericalHarmonics3,SplineCurve,SpotLightHelper,Sprite,StaticCopyUsage,StaticReadUsage,StereoCamera,StreamCopyUsage,StreamDrawUsage,StreamReadUsage,StringKeyframeTrack,TOUCH,TetrahedronGeometry,TextureLoader,TextureUtils,Timer,TorusGeometry,TorusKnotGeometry,Triangle,TriangleFanDrawMode,TriangleStripDrawMode,TrianglesDrawMode,TubeGeometry,Uint8BufferAttribute,Uint8ClampedBufferAttribute,Uniform,UniformsGroup,VectorKeyframeTrack,VideoFrameTexture,VideoTexture,WebGL3DRenderTarget,WebGLArrayRenderTarget,WebGLRenderTarget,WireframeGeometry,WrapAroundEnding,ZeroCurvatureEnding,ZeroSlopeEnding,getConsoleFunction,setConsoleFunction}from"./three.core.min.js";const Ms=["alphaMap","alphaTest","anisotropy","anisotropyMap","anisotropyRotation","aoMap","aoMapIntensity","attenuationColor","attenuationDistance","bumpMap","clearcoat","clearcoatMap","clearcoatNormalMap","clearcoatNormalScale","clearcoatRoughness","color","dispersion","displacementMap","emissive","emissiveIntensity","emissiveMap","envMap","envMapIntensity","gradientMap","ior","iridescence","iridescenceIOR","iridescenceMap","iridescenceThicknessMap","lightMap","lightMapIntensity","map","matcap","metalness","metalnessMap","normalMap","normalScale","opacity","roughness","roughnessMap","sheen","sheenColor","sheenColorMap","sheenRoughnessMap","shininess","specular","specularColor","specularColorMap","specularIntensity","specularIntensityMap","specularMap","thickness","transmission","transmissionMap"],Bs=new WeakMap;class Fs{constructor(e){this.renderObjects=new WeakMap,this.hasNode=this.containsNode(e),this.hasAnimation=!0===e.object.isSkinnedMesh,this.refreshUniforms=Ms,this.renderId=0}firstInitialization(e){return!1===this.renderObjects.has(e)&&(this.getRenderObjectData(e),!0)}needsVelocity(e){const t=e.getMRT();return null!==t&&t.has("velocity")}getRenderObjectData(e){let t=this.renderObjects.get(e);if(void 0===t){const{geometry:r,material:s,object:i}=e;if(t={material:this.getMaterialData(s),geometry:{id:r.id,attributes:this.getAttributesData(r.attributes),indexId:r.index?r.index.id:null,indexVersion:r.index?r.index.version:null,drawRange:{start:r.drawRange.start,count:r.drawRange.count}},worldMatrix:i.matrixWorld.clone()},i.center&&(t.center=i.center.clone()),i.morphTargetInfluences&&(t.morphTargetInfluences=i.morphTargetInfluences.slice()),null!==e.bundle&&(t.version=e.bundle.version),t.material.transmission>0){const{width:r,height:s}=e.context;t.bufferWidth=r,t.bufferHeight=s}t.lights=this.getLightsData(e.lightsNode.getLights()),this.renderObjects.set(e,t)}return t}getAttributesData(e){const t={};for(const r in e){const s=e[r];t[r]={id:s.id,version:s.version}}return t}containsNode(e){const t=e.material;for(const e in t)if(t[e]&&t[e].isNode)return!0;return!!(e.context.modelViewMatrix||e.context.modelNormalViewMatrix||e.context.getAO||e.context.getShadow)}getMaterialData(e){const t={};for(const r of this.refreshUniforms){const s=e[r];null!=s&&("object"==typeof s&&void 0!==s.clone?!0===s.isTexture?t[r]={id:s.id,version:s.version}:t[r]=s.clone():t[r]=s)}return t}equals(e,t){const{object:r,material:s,geometry:i}=e,n=this.getRenderObjectData(e);if(!0!==n.worldMatrix.equals(r.matrixWorld))return n.worldMatrix.copy(r.matrixWorld),!1;const a=n.material;for(const e in a){const t=a[e],r=s[e];if(void 0!==t.equals){if(!1===t.equals(r))return t.copy(r),!1}else if(!0===r.isTexture){if(t.id!==r.id||t.version!==r.version)return t.id=r.id,t.version=r.version,!1}else if(t!==r)return a[e]=r,!1}if(a.transmission>0){const{width:t,height:r}=e.context;if(n.bufferWidth!==t||n.bufferHeight!==r)return n.bufferWidth=t,n.bufferHeight=r,!1}const o=n.geometry,u=i.attributes,l=o.attributes,d=Object.keys(l),c=Object.keys(u);if(o.id!==i.id)return o.id=i.id,!1;if(d.length!==c.length)return n.geometry.attributes=this.getAttributesData(u),!1;for(const e of d){const t=l[e],r=u[e];if(void 0===r)return delete l[e],!1;if(t.id!==r.id||t.version!==r.version)return t.id=r.id,t.version=r.version,!1}const h=i.index,p=o.id,g=o.indexVersion,m=h?h.id:null,f=h?h.version:null;if(p!==m||g!==f)return o.id=m,o.indexVersion=f,!1;if(o.drawRange.start!==i.drawRange.start||o.drawRange.count!==i.drawRange.count)return o.drawRange.start=i.drawRange.start,o.drawRange.count=i.drawRange.count,!1;if(n.morphTargetInfluences){let e=!1;for(let t=0;t<n.morphTargetInfluences.length;t++)n.morphTargetInfluences[t]!==r.morphTargetInfluences[t]&&(n.morphTargetInfluences[t]=r.morphTargetInfluences[t],e=!0);if(e)return!1}if(n.lights)for(let e=0;e<t.length;e++)if(n.lights[e].map!==t[e].map)return!1;return n.center&&!1===n.center.equals(r.center)?(n.center.copy(r.center),!0):(null!==e.bundle&&(n.version=e.bundle.version),!0)}getLightsData(e){const t=[];for(const r of e)!0===r.isSpotLight&&null!==r.map&&t.push({map:r.map.version});return t}getLights(e,t){if(Bs.has(e)){const r=Bs.get(e);if(r.renderId===t)return r.lightsData}const r=this.getLightsData(e.getLights());return Bs.set(e,{renderId:t,lightsData:r}),r}needsRefresh(e,t){if(this.hasNode||this.hasAnimation||this.firstInitialization(e)||this.needsVelocity(t.renderer))return!0;const{renderId:r}=t;if(this.renderId!==r)return this.renderId=r,!0;const s=!0===e.object.static,i=null!==e.bundle&&!0===e.bundle.static&&this.getRenderObjectData(e).version===e.bundle.version;if(s||i)return!1;const n=this.getLights(e.lightsNode,r);return!0!==this.equals(e,n)}}const Ls=[/^StackTrace\.js$/,/^TSLCore\.js$/,/^.*Node\.js$/,/^three\.webgpu.*\.js$/];class Ps{constructor(e=null){this.isStackTrace=!0,this.stack=function(e){const t=/(?:at\s+(.+?)\s+\()?(?:(.+?)@)?([^@\s()]+):(\d+):(\d+)/;return e.split("\n").map(e=>{const r=e.match(t);if(!r)return null;const s=r[1]||r[2]||"",i=r[3].split("?")[0],n=parseInt(r[4],10),a=parseInt(r[5],10);return{fn:s,file:i.split("/").pop(),line:n,column:a}}).filter(e=>e&&!Ls.some(t=>t.test(e.file)))}(e||(new Error).stack)}getLocation(){if(0===this.stack.length)return"[Unknown location]";const e=this.stack[0],t=e.fn;return`${t?`"${t}()" at `:""}"${e.file}:${e.line}"`}getError(e){if(0===this.stack.length)return e;return`${e}\n${this.stack.map(e=>{const t=`${e.file}:${e.line}:${e.column}`;return e.fn?`    at ${e.fn} (${t})`:`    at ${t}`}).join("\n")}`}}function Ds(e,t=0){let r=3735928559^t,s=1103547991^t;if(e instanceof Array)for(let t,i=0;i<e.length;i++)t=e[i],r=Math.imul(r^t,2654435761),s=Math.imul(s^t,1597334677);else for(let t,i=0;i<e.length;i++)t=e.charCodeAt(i),r=Math.imul(r^t,2654435761),s=Math.imul(s^t,1597334677);return r=Math.imul(r^r>>>16,2246822507),r^=Math.imul(s^s>>>13,3266489909),s=Math.imul(s^s>>>16,2246822507),s^=Math.imul(r^r>>>13,3266489909),4294967296*(2097151&s)+(r>>>0)}const Us=e=>Ds(e),Is=e=>Ds(e),Os=(...e)=>Ds(e),Vs=new Map([[1,"float"],[2,"vec2"],[3,"vec3"],[4,"vec4"],[9,"mat3"],[16,"mat4"]]),ks=new WeakMap;function Gs(e){return Vs.get(e)}function zs(e){if(/[iu]?vec\d/.test(e))return e.startsWith("ivec")?Int32Array:e.startsWith("uvec")?Uint32Array:Float32Array;if(/mat\d/.test(e))return Float32Array;if(/float/.test(e))return Float32Array;if(/uint/.test(e))return Uint32Array;if(/int/.test(e))return Int32Array;throw new Error(`THREE.NodeUtils: Unsupported type: ${e}`)}function $s(e){return/float|int|uint/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)?3:/vec4/.test(e)||/mat2/.test(e)?4:/mat3/.test(e)?9:/mat4/.test(e)?16:void o(`TSL: Unsupported type: ${e}`,new Ps)}function Ws(e){return/float|int|uint/.test(e)?1:/vec2/.test(e)?2:/vec3/.test(e)?3:/vec4/.test(e)||/mat2/.test(e)?4:/mat3/.test(e)?12:/mat4/.test(e)?16:void o(`TSL: Unsupported type: ${e}`,new Ps)}function Hs(e){return/float|int|uint/.test(e)?4:/vec2/.test(e)?8:/vec3/.test(e)||/vec4/.test(e)?16:/mat2/.test(e)?8:/mat3/.test(e)||/mat4/.test(e)?16:void o(`TSL: Unsupported type: ${e}`,new Ps)}function qs(e){if(null==e)return null;const t=typeof e;return!0===e.isNode?"node":"number"===t?"float":"boolean"===t?"bool":"string"===t?"string":"function"===t?"shader":!0===e.isVector2?"vec2":!0===e.isVector3?"vec3":!0===e.isVector4?"vec4":!0===e.isMatrix2?"mat2":!0===e.isMatrix3?"mat3":!0===e.isMatrix4?"mat4":!0===e.isColor?"color":e instanceof ArrayBuffer?"ArrayBuffer":null}function js(o,...u){const l=o?o.slice(-4):void 0;return 1===u.length&&("vec2"===l?u=[u[0],u[0]]:"vec3"===l?u=[u[0],u[0],u[0]]:"vec4"===l&&(u=[u[0],u[0],u[0],u[0]])),"color"===o?new e(...u):"vec2"===l?new t(...u):"vec3"===l?new r(...u):"vec4"===l?new s(...u):"mat2"===l?new i(...u):"mat3"===l?new n(...u):"mat4"===l?new a(...u):"bool"===o?u[0]||!1:"float"===o||"int"===o||"uint"===o?u[0]||0:"string"===o?u[0]||"":"ArrayBuffer"===o?Ys(u[0]):null}function Xs(e){let t=ks.get(e);return void 0===t&&(t={},ks.set(e,t)),t}function Ks(e){let t="";const r=new Uint8Array(e);for(let e=0;e<r.length;e++)t+=String.fromCharCode(r[e]);return btoa(t)}function Ys(e){return Uint8Array.from(atob(e),e=>e.charCodeAt(0)).buffer}var Qs=Object.freeze({__proto__:null,arrayBufferToBase64:Ks,base64ToArrayBuffer:Ys,getAlignmentFromType:Hs,getDataFromObject:Xs,getLengthFromType:$s,getMemoryLengthFromType:Ws,getTypeFromLength:Gs,getTypedArrayFromType:zs,getValueFromType:js,getValueType:qs,hash:Os,hashArray:Is,hashString:Us});const Zs={VERTEX:"vertex",FRAGMENT:"fragment"},Js={NONE:"none",FRAME:"frame",RENDER:"render",OBJECT:"object"},ei={BOOLEAN:"bool",INTEGER:"int",FLOAT:"float",VECTOR2:"vec2",VECTOR3:"vec3",VECTOR4:"vec4",MATRIX2:"mat2",MATRIX3:"mat3",MATRIX4:"mat4"},ti={READ_ONLY:"readOnly",WRITE_ONLY:"writeOnly",READ_WRITE:"readWrite"},ri=["fragment","vertex"],si=["setup","analyze","generate"],ii=[...ri,"compute"],ni=["x","y","z","w"],ai={analyze:"setup",generate:"analyze"};let oi=0;class ui extends u{static get type(){return"Node"}constructor(e=null){super(),this.nodeType=e,this.updateType=Js.NONE,this.updateBeforeType=Js.NONE,this.updateAfterType=Js.NONE,this.uuid=l.generateUUID(),this.version=0,this.name="",this.global=!1,this.parents=!1,this.isNode=!0,this._beforeNodes=null,this._cacheKey=null,this._cacheKeyVersion=0,Object.defineProperty(this,"id",{value:oi++}),this.stackTrace=null,!0===ui.captureStackTrace&&(this.stackTrace=new Ps)}set needsUpdate(e){!0===e&&this.version++}get type(){return this.constructor.type}onUpdate(e,t){return this.updateType=t,this.update=e.bind(this),this}onFrameUpdate(e){return this.onUpdate(e,Js.FRAME)}onRenderUpdate(e){return this.onUpdate(e,Js.RENDER)}onObjectUpdate(e){return this.onUpdate(e,Js.OBJECT)}onReference(e){return this.updateReference=e.bind(this),this}updateReference(){return this}isGlobal(){return this.global}*getChildren(){for(const{childNode:e}of this._getChildren())yield e}dispose(){this.dispatchEvent({type:"dispose"})}traverse(e){e(this);for(const t of this.getChildren())t.traverse(e)}_getChildren(e=new Set){const t=[];e.add(this);for(const r of Object.getOwnPropertyNames(this)){const s=this[r];if(!0!==r.startsWith("_")&&!e.has(s))if(!0===Array.isArray(s))for(let e=0;e<s.length;e++){const i=s[e];i&&!0===i.isNode&&t.push({property:r,index:e,childNode:i})}else if(s&&!0===s.isNode)t.push({property:r,childNode:s});else if(s&&Object.getPrototypeOf(s)===Object.prototype)for(const e in s){if(!0===e.startsWith("_"))continue;const i=s[e];i&&!0===i.isNode&&t.push({property:r,index:e,childNode:i})}}return t}getCacheKey(e=!1,t=null){if(!0===(e=e||this.version!==this._cacheKeyVersion)||null===this._cacheKey){null===t&&(t=new Set);const r=[];for(const{property:s,childNode:i}of this._getChildren(t))r.push(Us(s.slice(0,-4)),i.getCacheKey(e,t));this._cacheKey=Os(Is(r),this.customCacheKey()),this._cacheKeyVersion=this.version}return this._cacheKey}customCacheKey(){return this.id}getScope(){return this}getHash(){return this.uuid}getUpdateType(){return this.updateType}getUpdateBeforeType(){return this.updateBeforeType}getUpdateAfterType(){return this.updateAfterType}getElementType(e){const t=this.getNodeType(e);return e.getElementType(t)}getMemberType(){return"void"}getNodeType(e){const t=e.getNodeProperties(this);return t.outputNode?t.outputNode.getNodeType(e):this.nodeType}getShared(e){const t=this.getHash(e);return e.getNodeFromHash(t)||this}getArrayCount(){return null}setup(e){const t=e.getNodeProperties(this);let r=0;for(const e of this.getChildren())t["node"+r++]=e;return t.outputNode||null}analyze(e,t=null){const r=e.increaseUsage(this);if(!0===this.parents){const r=e.getDataFromNode(this,"any");r.stages=r.stages||{},r.stages[e.shaderStage]=r.stages[e.shaderStage]||[],r.stages[e.shaderStage].push(t)}if(1===r){const t=e.getNodeProperties(this);for(const r of Object.values(t))r&&!0===r.isNode&&r.build(e,this)}}generate(e,t){const{outputNode:r}=e.getNodeProperties(this);if(r&&!0===r.isNode)return r.build(e,t)}updateBefore(){d("Abstract function.")}updateAfter(){d("Abstract function.")}update(){d("Abstract function.")}before(e){return null===this._beforeNodes&&(this._beforeNodes=[]),this._beforeNodes.push(e),this}build(e,t=null){const r=this.getShared(e);if(this!==r)return r.build(e,t);if(null!==this._beforeNodes){const r=this._beforeNodes;this._beforeNodes=null;for(const s of r)s.build(e,t);this._beforeNodes=r}const s=e.getDataFromNode(this);s.buildStages=s.buildStages||{},s.buildStages[e.buildStage]=!0;const i=ai[e.buildStage];if(i&&!0!==s.buildStages[i]){const t=e.getBuildStage();e.setBuildStage(i),this.build(e),e.setBuildStage(t)}e.addNode(this),e.addChain(this);let n=null;const a=e.getBuildStage();if("setup"===a){this.updateReference(e);const t=e.getNodeProperties(this);if(!0!==t.initialized){t.initialized=!0,t.outputNode=this.setup(e)||t.outputNode||null;for(const r of Object.values(t))if(r&&!0===r.isNode){if(!0===r.parents){const t=e.getNodeProperties(r);t.parents=t.parents||[],t.parents.push(this)}r.build(e)}}n=t.outputNode}else if("analyze"===a)this.analyze(e,t);else if("generate"===a){if(this.generate.length<2){const r=this.getNodeType(e),s=e.getDataFromNode(this);n=s.snippet,void 0===n?void 0===s.generated?(s.generated=!0,n=this.generate(e)||"",s.snippet=n):(d("Node: Recursion detected.",this),n="/* Recursion detected. */"):void 0!==s.flowCodes&&void 0!==e.context.nodeBlock&&e.addFlowCodeHierarchy(this,e.context.nodeBlock),n=e.format(n,r,t)}else n=this.generate(e,t)||"";""===n&&null!==t&&"void"!==t&&"OutputType"!==t&&(o(`TSL: Invalid generated code, expected a "${t}".`),n=e.generateConst(t))}return e.removeChain(this),e.addSequentialNode(this),n}getSerializeChildren(){return this._getChildren()}serialize(e){const t=this.getSerializeChildren(),r={};for(const{property:s,index:i,childNode:n}of t)void 0!==i?(void 0===r[s]&&(r[s]=Number.isInteger(i)?[]:{}),r[s][i]=n.toJSON(e.meta).uuid):r[s]=n.toJSON(e.meta).uuid;Object.keys(r).length>0&&(e.inputNodes=r)}deserialize(e){if(void 0!==e.inputNodes){const t=e.meta.nodes;for(const r in e.inputNodes)if(Array.isArray(e.inputNodes[r])){const s=[];for(const i of e.inputNodes[r])s.push(t[i]);this[r]=s}else if("object"==typeof e.inputNodes[r]){const s={};for(const i in e.inputNodes[r]){const n=e.inputNodes[r][i];s[i]=t[n]}this[r]=s}else{const s=e.inputNodes[r];this[r]=t[s]}}}toJSON(e){const{uuid:t,type:r}=this,s=void 0===e||"string"==typeof e;s&&(e={textures:{},images:{},nodes:{}});let i=e.nodes[t];function n(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(void 0===i&&(i={uuid:t,type:r,meta:e,metadata:{version:4.7,type:"Node",generator:"Node.toJSON"}},!0!==s&&(e.nodes[i.uuid]=i),this.serialize(i),delete i.meta),s){const t=n(e.textures),r=n(e.images),s=n(e.nodes);t.length>0&&(i.textures=t),r.length>0&&(i.images=r),s.length>0&&(i.nodes=s)}return i}}ui.captureStackTrace=!1;class li extends ui{static get type(){return"ArrayElementNode"}constructor(e,t){super(),this.node=e,this.indexNode=t,this.isArrayElementNode=!0}getNodeType(e){return this.node.getElementType(e)}getMemberType(e,t){return this.node.getMemberType(e,t)}generate(e){const t=this.indexNode.getNodeType(e);return`${this.node.build(e)}[ ${this.indexNode.build(e,!e.isVector(t)&&e.isInteger(t)?t:"uint")} ]`}}class di extends ui{static get type(){return"ConvertNode"}constructor(e,t){super(),this.node=e,this.convertTo=t}getNodeType(e){const t=this.node.getNodeType(e);let r=null;for(const s of this.convertTo.split("|"))null!==r&&e.getTypeLength(t)!==e.getTypeLength(s)||(r=s);return r}serialize(e){super.serialize(e),e.convertTo=this.convertTo}deserialize(e){super.deserialize(e),this.convertTo=e.convertTo}generate(e,t){const r=this.node,s=this.getNodeType(e),i=r.build(e,s);return e.format(i,s,t)}}class ci extends ui{static get type(){return"TempNode"}constructor(e=null){super(e),this.isTempNode=!0}hasDependencies(e){return e.getDataFromNode(this).usageCount>1}build(e,t){if("generate"===e.getBuildStage()){const r=e.getVectorType(this.getNodeType(e,t)),s=e.getDataFromNode(this);if(void 0!==s.propertyName)return e.format(s.propertyName,r,t);if("void"!==r&&"void"!==t&&this.hasDependencies(e)){const i=super.build(e,r),n=e.getVarFromNode(this,null,r),a=e.getPropertyName(n);return e.addLineFlowCode(`${a} = ${i}`,this),s.snippet=i,s.propertyName=a,e.format(s.propertyName,r,t)}}return super.build(e,t)}}class hi extends ci{static get type(){return"JoinNode"}constructor(e=[],t=null){super(t),this.nodes=e}getNodeType(e){return null!==this.nodeType?e.getVectorType(this.nodeType):e.getTypeFromLength(this.nodes.reduce((t,r)=>t+e.getTypeLength(r.getNodeType(e)),0))}generate(e,t){const r=this.getNodeType(e),s=e.getTypeLength(r),i=this.nodes,n=e.getComponentType(r),a=[];let u=0;for(const t of i){if(u>=s){o(`TSL: Length of parameters exceeds maximum length of function '${r}()' type.`,this.stackTrace);break}let i,l=t.getNodeType(e),d=e.getTypeLength(l);u+d>s&&(o(`TSL: Length of '${r}()' data exceeds maximum length of output type.`,this.stackTrace),d=s-u,l=e.getTypeFromLength(d)),u+=d,i=t.build(e,l);if(e.getComponentType(l)!==n){const t=e.getTypeFromLength(d,n);i=e.format(i,l,t)}a.push(i)}const l=`${e.getType(r)}( ${a.join(", ")} )`;return e.format(l,r,t)}}const pi=ni.join("");class gi extends ui{static get type(){return"SplitNode"}constructor(e,t="x"){super(),this.node=e,this.components=t,this.isSplitNode=!0}getVectorLength(){let e=this.components.length;for(const t of this.components)e=Math.max(ni.indexOf(t)+1,e);return e}getComponentType(e){return e.getComponentType(this.node.getNodeType(e))}getNodeType(e){return e.getTypeFromLength(this.components.length,this.getComponentType(e))}getScope(){return this.node.getScope()}generate(e,t){const r=this.node,s=e.getTypeLength(r.getNodeType(e));let i=null;if(s>1){let n=null;this.getVectorLength()>=s&&(n=e.getTypeFromLength(this.getVectorLength(),this.getComponentType(e)));const a=r.build(e,n);i=this.components.length===s&&this.components===pi.slice(0,this.components.length)?e.format(a,n,t):e.format(`${a}.${this.components}`,this.getNodeType(e),t)}else i=r.build(e,t);return i}serialize(e){super.serialize(e),e.components=this.components}deserialize(e){super.deserialize(e),this.components=e.components}}class mi extends ci{static get type(){return"SetNode"}constructor(e,t,r){super(),this.sourceNode=e,this.components=t,this.targetNode=r}getNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{sourceNode:t,components:r,targetNode:s}=this,i=this.getNodeType(e),n=e.getComponentType(s.getNodeType(e)),a=e.getTypeFromLength(r.length,n),o=s.build(e,a),u=t.build(e,i),l=e.getTypeLength(i),d=[];for(let e=0;e<l;e++){const t=ni[e];t===r[0]?(d.push(o),e+=r.length-1):d.push(u+"."+t)}return`${e.getType(i)}( ${d.join(", ")} )`}}class fi extends ci{static get type(){return"FlipNode"}constructor(e,t){super(),this.sourceNode=e,this.components=t}getNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{components:t,sourceNode:r}=this,s=this.getNodeType(e),i=r.build(e),n=e.getVarFromNode(this),a=e.getPropertyName(n);e.addLineFlowCode(a+" = "+i,this);const o=e.getTypeLength(s),u=[];let l=0;for(let e=0;e<o;e++){const r=ni[e];r===t[l]?(u.push("1.0 - "+a+"."+r),l++):u.push(a+"."+r)}return`${e.getType(s)}( ${u.join(", ")} )`}}class yi extends ui{static get type(){return"InputNode"}constructor(e,t=null){super(t),this.isInputNode=!0,this.value=e,this.precision=null}getNodeType(){return null===this.nodeType?qs(this.value):this.nodeType}getInputType(e){return this.getNodeType(e)}setPrecision(e){return this.precision=e,this}serialize(e){super.serialize(e),e.value=this.value,this.value&&this.value.toArray&&(e.value=this.value.toArray()),e.valueType=qs(this.value),e.nodeType=this.nodeType,"ArrayBuffer"===e.valueType&&(e.value=Ks(e.value)),e.precision=this.precision}deserialize(e){super.deserialize(e),this.nodeType=e.nodeType,this.value=Array.isArray(e.value)?js(e.valueType,...e.value):e.value,this.precision=e.precision||null,this.value&&this.value.fromArray&&(this.value=this.value.fromArray(e.value))}generate(){d("Abstract function.")}}const bi=/float|u?int/;class xi extends yi{static get type(){return"ConstNode"}constructor(e,t=null){super(e,t),this.isConstNode=!0}generateConst(e){return e.generateConst(this.getNodeType(e),this.value)}generate(e,t){const r=this.getNodeType(e);return bi.test(r)&&bi.test(t)?e.generateConst(t,this.value):e.format(this.generateConst(e),r,t)}}class Ti extends ui{static get type(){return"MemberNode"}constructor(e,t){super(),this.structNode=e,this.property=t,this.isMemberNode=!0}hasMember(e){return(!this.structNode.isMemberNode||!1!==this.structNode.hasMember(e))&&"void"!==this.structNode.getMemberType(e,this.property)}getNodeType(e){return!1===this.hasMember(e)?"float":this.structNode.getMemberType(e,this.property)}getMemberType(e,t){if(!1===this.hasMember(e))return"float";const r=this.getNodeType(e);return e.getStructTypeNode(r).getMemberType(e,t)}generate(e){if(!1===this.hasMember(e)){d(`TSL: Member "${this.property}" does not exist in struct.`,this.stackTrace);const t=this.getNodeType(e);return e.generateConst(t)}return this.structNode.build(e)+"."+this.property}}let _i=null;const vi=new Map;function Ni(e,t){if(vi.has(e))d(`TSL: Redefinition of method chaining '${e}'.`);else{if("function"!=typeof t)throw new Error(`THREE.TSL: Node element ${e} is not a function`);vi.set(e,t),"assign"!==e&&(ui.prototype[e]=function(...e){return this.isStackNode?this.addToStack(t(...e)):t(this,...e)},ui.prototype[e+"Assign"]=function(...e){return this.isStackNode?this.assign(e[0],t(...e)):this.assign(t(this,...e))})}}const Si=e=>(e=>e.replace(/r|s/g,"x").replace(/g|t/g,"y").replace(/b|p/g,"z").replace(/a|q/g,"w"))(e).split("").sort().join("");ui.prototype.assign=function(...e){if(!0!==this.isStackNode)return null!==_i?_i.assign(this,...e):o("TSL: No stack defined for assign operation. Make sure the assign is inside a Fn().",new Ps),this;{const t=vi.get("assign");return this.addToStack(t(...e))}},ui.prototype.toVarIntent=function(){return this},ui.prototype.get=function(e){return new Ti(this,e)};const Ri={};function Ei(e,t,r){Ri[e]=Ri[t]=Ri[r]={get(){this._cache=this._cache||{};let t=this._cache[e];return void 0===t&&(t=new gi(this,e),this._cache[e]=t),t},set(t){this[e].assign(Zi(t))}};const s=e.toUpperCase(),i=t.toUpperCase(),n=r.toUpperCase();ui.prototype["set"+s]=ui.prototype["set"+i]=ui.prototype["set"+n]=function(t){const r=Si(e);return new mi(this,r,Zi(t))},ui.prototype["flip"+s]=ui.prototype["flip"+i]=ui.prototype["flip"+n]=function(){const t=Si(e);return new fi(this,t)}}const Ai=["x","y","z","w"],wi=["r","g","b","a"],Ci=["s","t","p","q"];for(let e=0;e<4;e++){let t=Ai[e],r=wi[e],s=Ci[e];Ei(t,r,s);for(let i=0;i<4;i++){t=Ai[e]+Ai[i],r=wi[e]+wi[i],s=Ci[e]+Ci[i],Ei(t,r,s);for(let n=0;n<4;n++){t=Ai[e]+Ai[i]+Ai[n],r=wi[e]+wi[i]+wi[n],s=Ci[e]+Ci[i]+Ci[n],Ei(t,r,s);for(let a=0;a<4;a++)t=Ai[e]+Ai[i]+Ai[n]+Ai[a],r=wi[e]+wi[i]+wi[n]+wi[a],s=Ci[e]+Ci[i]+Ci[n]+Ci[a],Ei(t,r,s)}}}for(let e=0;e<32;e++)Ri[e]={get(){this._cache=this._cache||{};let t=this._cache[e];return void 0===t&&(t=new li(this,new xi(e,"uint")),this._cache[e]=t),t},set(t){this[e].assign(Zi(t))}};Object.defineProperties(ui.prototype,Ri);const Mi=new WeakMap,Bi=function(e,t=null){for(const r in e)e[r]=Zi(e[r],t);return e},Fi=function(e,t=null){const r=e.length;for(let s=0;s<r;s++)e[s]=Zi(e[s],t);return e},Li=function(e,t=null,r=null,s=null){function i(e){return null!==s?(e=Zi(Object.assign(e,s)),!0===s.intent&&(e=e.toVarIntent())):e=Zi(e),e}let n,a,u,l=t;function d(t){let r;return r=l?/[a-z]/i.test(l)?l+"()":l:e.type,void 0!==a&&t.length<a?(o(`TSL: "${r}" parameter length is less than minimum required.`,new Ps),t.concat(new Array(a-t.length).fill(0))):void 0!==u&&t.length>u?(o(`TSL: "${r}" parameter length exceeds limit.`,new Ps),t.slice(0,u)):t}return null===t?n=(...t)=>i(new e(...tn(d(t)))):null!==r?(r=Zi(r),n=(...s)=>i(new e(t,...tn(d(s)),r))):n=(...r)=>i(new e(t,...tn(d(r)))),n.setParameterLength=(...e)=>(1===e.length?a=u=e[0]:2===e.length&&([a,u]=e),n),n.setName=e=>(l=e,n),n},Pi=function(e,...t){return new e(...tn(t))};class Di extends ui{constructor(e,t){super(),this.shaderNode=e,this.rawInputs=t,this.isShaderCallNodeInternal=!0}getNodeType(e){return this.shaderNode.nodeType||this.getOutputNode(e).getNodeType(e)}getElementType(e){return this.getOutputNode(e).getElementType(e)}getMemberType(e,t){return this.getOutputNode(e).getMemberType(e,t)}call(e){const{shaderNode:t,rawInputs:r}=this,s=e.getNodeProperties(t),i=e.getClosestSubBuild(t.subBuilds)||"",n=i||"default";if(s[n])return s[n];const a=e.subBuildFn,o=e.fnCall;e.subBuildFn=i,e.fnCall=this;let u=null;if(t.layout){let s=Mi.get(e.constructor);void 0===s&&(s=new WeakMap,Mi.set(e.constructor,s));let i=s.get(t);void 0===i&&(i=Zi(e.buildFunctionNode(t)),s.set(t,i)),e.addInclude(i);const n=r?function(e){let t;en(e);t=e[0]&&(e[0].isNode||Object.getPrototypeOf(e[0])!==Object.prototype)?[...e]:e[0];return t}(r):null;u=Zi(i.call(n))}else{const s=new Proxy(e,{get:(e,t,r)=>{let s;return s=Symbol.iterator===t?function*(){yield}:Reflect.get(e,t,r),s}}),i=r?function(e){let t=0;return en(e),new Proxy(e,{get:(r,s,i)=>{let n;if("length"===s)return n=e.length,n;if(Symbol.iterator===s)n=function*(){for(const t of e)yield Zi(t)};else{if(e.length>0)if(Object.getPrototypeOf(e[0])===Object.prototype){const r=e[0];n=void 0===r[s]?r[t++]:Reflect.get(r,s,i)}else e[0]instanceof ui&&(n=void 0===e[s]?e[t++]:Reflect.get(e,s,i));else n=Reflect.get(r,s,i);n=Zi(n)}return n}})}(r):null,n=Array.isArray(r)?r.length>0:null!==r,a=t.jsFunc,o=n||a.length>1?a(i,s):a(s);u=Zi(o)}return e.subBuildFn=a,e.fnCall=o,t.once&&(s[n]=u),u}setupOutput(e){return e.addStack(),e.stack.outputNode=this.call(e),e.removeStack()}getOutputNode(e){const t=e.getNodeProperties(this),r=e.getSubBuildOutput(this);return t[r]=t[r]||this.setupOutput(e),t[r].subBuild=e.getClosestSubBuild(this),t[r]}build(e,t=null){let r=null;const s=e.getBuildStage(),i=e.getNodeProperties(this),n=e.getSubBuildOutput(this),a=this.getOutputNode(e),o=e.fnCall;if(e.fnCall=this,"setup"===s){const t=e.getSubBuildProperty("initialized",this);if(!0!==i[t]&&(i[t]=!0,i[n]=this.getOutputNode(e),i[n].build(e),this.shaderNode.subBuilds))for(const t of e.chaining){const r=e.getDataFromNode(t,"any");r.subBuilds=r.subBuilds||new Set;for(const e of this.shaderNode.subBuilds)r.subBuilds.add(e)}r=i[n]}else"analyze"===s?a.build(e,t):"generate"===s&&(r=a.build(e,t)||"");return e.fnCall=o,r}}class Ui extends ui{constructor(e,t){super(t),this.jsFunc=e,this.layout=null,this.global=!0,this.once=!1}setLayout(e){return this.layout=e,this}getLayout(){return this.layout}call(e=null){return new Di(this,e)}setup(){return this.call()}}const Ii=[!1,!0],Oi=[0,1,2,3],Vi=[-1,-2],ki=[.5,1.5,1/3,1e-6,1e6,Math.PI,2*Math.PI,1/Math.PI,2/Math.PI,1/(2*Math.PI),Math.PI/2],Gi=new Map;for(const e of Ii)Gi.set(e,new xi(e));const zi=new Map;for(const e of Oi)zi.set(e,new xi(e,"uint"));const $i=new Map([...zi].map(e=>new xi(e.value,"int")));for(const e of Vi)$i.set(e,new xi(e,"int"));const Wi=new Map([...$i].map(e=>new xi(e.value)));for(const e of ki)Wi.set(e,new xi(e));for(const e of ki)Wi.set(-e,new xi(-e));const Hi={bool:Gi,uint:zi,ints:$i,float:Wi},qi=new Map([...Gi,...Wi]),ji=(e,t)=>qi.has(e)?qi.get(e):!0===e.isNode?e:new xi(e,t),Xi=function(e,t=null){return(...r)=>{for(const t of r)if(void 0===t)return o(`TSL: Invalid parameter for the type "${e}".`,new Ps),new xi(0,e);if((0===r.length||!["bool","float","int","uint"].includes(e)&&r.every(e=>{const t=typeof e;return"object"!==t&&"function"!==t}))&&(r=[js(e,...r)]),1===r.length&&null!==t&&t.has(r[0]))return Ji(t.get(r[0]));if(1===r.length){const t=ji(r[0],e);return t.nodeType===e?Ji(t):Ji(new di(t,e))}const s=r.map(e=>ji(e));return Ji(new hi(s,e))}},Ki=e=>"object"==typeof e&&null!==e?e.value:e,Yi=e=>null!=e?e.nodeType||e.convertTo||("string"==typeof e?e:null):null;function Qi(e,t){return new Ui(e,t)}const Zi=(e,t=null)=>function(e,t=null){const r=qs(e);return"node"===r?e:null===t&&("float"===r||"boolean"===r)||r&&"shader"!==r&&"string"!==r?Zi(ji(e,t)):"shader"===r?e.isFn?e:un(e):e}(e,t),Ji=(e,t=null)=>Zi(e,t).toVarIntent(),en=(e,t=null)=>new Bi(e,t),tn=(e,t=null)=>new Fi(e,t),rn=(e,t=null,r=null,s=null)=>new Li(e,t,r,s),sn=(e,...t)=>new Pi(e,...t),nn=(e,t=null,r=null,s={})=>new Li(e,t,r,{...s,intent:!0});let an=0;class on extends ui{constructor(e,t=null){super();let r=null;null!==t&&("object"==typeof t?r=t.return:("string"==typeof t?r=t:o("TSL: Invalid layout type.",new Ps),t=null)),this.shaderNode=new Qi(e,r),null!==t&&this.setLayout(t),this.isFn=!0}setLayout(e){const t=this.shaderNode.nodeType;if("object"!=typeof e.inputs){const r={name:"fn"+an++,type:t,inputs:[]};for(const t in e)"return"!==t&&r.inputs.push({name:t,type:e[t]});e=r}return this.shaderNode.setLayout(e),this}getNodeType(e){return this.shaderNode.getNodeType(e)||"float"}call(...e){const t=this.shaderNode.call(e);return"void"===this.shaderNode.nodeType&&t.toStack(),t.toVarIntent()}once(e=null){return this.shaderNode.once=!0,this.shaderNode.subBuilds=e,this}generate(e){const t=this.getNodeType(e);return o('TSL: "Fn()" was declared but not invoked. Try calling it like "Fn()( ...params )".',this.stackTrace),e.generateConst(t)}}function un(e,t=null){const r=new on(e,t);return new Proxy(()=>{},{apply:(e,t,s)=>r.call(...s),get:(e,t,s)=>Reflect.get(r,t,s),set:(e,t,s,i)=>Reflect.set(r,t,s,i)})}const ln=e=>{_i=e},dn=()=>_i,cn=(...e)=>_i.If(...e);function hn(e){return _i&&_i.addToStack(e),e}Ni("toStack",hn);const pn=new Xi("color"),gn=new Xi("float",Hi.float),mn=new Xi("int",Hi.ints),fn=new Xi("uint",Hi.uint),yn=new Xi("bool",Hi.bool),bn=new Xi("vec2"),xn=new Xi("ivec2"),Tn=new Xi("uvec2"),_n=new Xi("bvec2"),vn=new Xi("vec3"),Nn=new Xi("ivec3"),Sn=new Xi("uvec3"),Rn=new Xi("bvec3"),En=new Xi("vec4"),An=new Xi("ivec4"),wn=new Xi("uvec4"),Cn=new Xi("bvec4"),Mn=new Xi("mat2"),Bn=new Xi("mat3"),Fn=new Xi("mat4");Ni("toColor",pn),Ni("toFloat",gn),Ni("toInt",mn),Ni("toUint",fn),Ni("toBool",yn),Ni("toVec2",bn),Ni("toIVec2",xn),Ni("toUVec2",Tn),Ni("toBVec2",_n),Ni("toVec3",vn),Ni("toIVec3",Nn),Ni("toUVec3",Sn),Ni("toBVec3",Rn),Ni("toVec4",En),Ni("toIVec4",An),Ni("toUVec4",wn),Ni("toBVec4",Cn),Ni("toMat2",Mn),Ni("toMat3",Bn),Ni("toMat4",Fn);const Ln=rn(li).setParameterLength(2),Pn=(e,t)=>Zi(new di(Zi(e),t));Ni("element",Ln),Ni("convert",Pn);Ni("append",e=>(d("TSL: .append() has been renamed to .toStack().",new Ps),hn(e)));class Dn extends ui{static get type(){return"PropertyNode"}constructor(e,t=null,r=!1){super(e),this.name=t,this.varying=r,this.isPropertyNode=!0,this.global=!0}customCacheKey(){return Us(this.type+":"+(this.name||"")+":"+(this.varying?"1":"0"))}getHash(e){return this.name||super.getHash(e)}generate(e){let t;return!0===this.varying?(t=e.getVaryingFromNode(this,this.name),t.needsInterpolation=!0):t=e.getVarFromNode(this,this.name),e.getPropertyName(t)}}const Un=(e,t)=>new Dn(e,t),In=(e,t)=>new Dn(e,t,!0),On=sn(Dn,"vec4","DiffuseColor"),Vn=sn(Dn,"vec3","DiffuseContribution"),kn=sn(Dn,"vec3","EmissiveColor"),Gn=sn(Dn,"float","Roughness"),zn=sn(Dn,"float","Metalness"),$n=sn(Dn,"float","Clearcoat"),Wn=sn(Dn,"float","ClearcoatRoughness"),Hn=sn(Dn,"vec3","Sheen"),qn=sn(Dn,"float","SheenRoughness"),jn=sn(Dn,"float","Iridescence"),Xn=sn(Dn,"float","IridescenceIOR"),Kn=sn(Dn,"float","IridescenceThickness"),Yn=sn(Dn,"float","AlphaT"),Qn=sn(Dn,"float","Anisotropy"),Zn=sn(Dn,"vec3","AnisotropyT"),Jn=sn(Dn,"vec3","AnisotropyB"),ea=sn(Dn,"color","SpecularColor"),ta=sn(Dn,"color","SpecularColorBlended"),ra=sn(Dn,"float","SpecularF90"),sa=sn(Dn,"float","Shininess"),ia=sn(Dn,"vec4","Output"),na=sn(Dn,"float","dashSize"),aa=sn(Dn,"float","gapSize"),oa=sn(Dn,"float","pointWidth"),ua=sn(Dn,"float","IOR"),la=sn(Dn,"float","Transmission"),da=sn(Dn,"float","Thickness"),ca=sn(Dn,"float","AttenuationDistance"),ha=sn(Dn,"color","AttenuationColor"),pa=sn(Dn,"float","Dispersion");class ga extends ui{static get type(){return"UniformGroupNode"}constructor(e,t=!1,r=1){super("string"),this.name=e,this.shared=t,this.order=r,this.isUniformGroup=!0}serialize(e){super.serialize(e),e.name=this.name,e.version=this.version,e.shared=this.shared}deserialize(e){super.deserialize(e),this.name=e.name,this.version=e.version,this.shared=e.shared}}const ma=e=>new ga(e),fa=(e,t=0)=>new ga(e,!0,t),ya=fa("frame"),ba=fa("render"),xa=ma("object");class Ta extends yi{static get type(){return"UniformNode"}constructor(e,t=null){super(e,t),this.isUniformNode=!0,this.name="",this.groupNode=xa}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Ps),this.setName(e)}setGroup(e){return this.groupNode=e,this}getGroup(){return this.groupNode}getUniformHash(e){return this.getHash(e)}onUpdate(e,t){return e=e.bind(this),super.onUpdate(t=>{const r=e(t,this);void 0!==r&&(this.value=r)},t)}getInputType(e){let t=super.getInputType(e);return"bool"===t&&(t="uint"),t}generate(e,t){const r=this.getNodeType(e),s=this.getUniformHash(e);let i=e.getNodeFromHash(s);void 0===i&&(e.setHashNode(this,s),i=this);const n=i.getInputType(e),a=e.getUniformFromNode(i,n,e.shaderStage,this.name||e.context.nodeName),o=e.getPropertyName(a);void 0!==e.context.nodeName&&delete e.context.nodeName;let u=o;if("bool"===r){const t=e.getDataFromNode(this);let s=t.propertyName;if(void 0===s){const i=e.getVarFromNode(this,null,"bool");s=e.getPropertyName(i),t.propertyName=s,u=e.format(o,n,r),e.addLineFlowCode(`${s} = ${u}`,this)}u=s}return e.format(u,r,t)}}const _a=(e,t)=>{const r=Yi(t||e);if(r===e&&(e=js(r)),e&&!0===e.isNode){let t=e.value;e.traverse(e=>{!0===e.isConstNode&&(t=e.value)}),e=t}return new Ta(e,r)};class va extends ci{static get type(){return"ArrayNode"}constructor(e,t,r=null){super(e),this.count=t,this.values=r,this.isArrayNode=!0}getArrayCount(){return this.count}getNodeType(e){return null===this.nodeType?this.values[0].getNodeType(e):this.nodeType}getElementType(e){return this.getNodeType(e)}getMemberType(e,t){return null===this.nodeType?this.values[0].getMemberType(e,t):super.getMemberType(e,t)}generate(e){const t=this.getNodeType(e);return e.generateArray(t,this.count,this.values)}}const Na=(...e)=>{let t;if(1===e.length){const r=e[0];t=new va(null,r.length,r)}else{const r=e[0],s=e[1];t=new va(r,s)}return Zi(t)};Ni("toArray",(e,t)=>Na(Array(t).fill(e)));class Sa extends ci{static get type(){return"AssignNode"}constructor(e,t){super(),this.targetNode=e,this.sourceNode=t,this.isAssignNode=!0}hasDependencies(){return!1}getNodeType(e,t){return"void"!==t?this.targetNode.getNodeType(e):"void"}needsSplitAssign(e){const{targetNode:t}=this;if(!1===e.isAvailable("swizzleAssign")&&t.isSplitNode&&t.components.length>1){const r=e.getTypeLength(t.node.getNodeType(e));return ni.join("").slice(0,r)!==t.components}return!1}setup(e){const{targetNode:t,sourceNode:r}=this,s=t.getScope();e.getDataFromNode(s).assign=!0;const i=e.getNodeProperties(this);i.sourceNode=r,i.targetNode=t.context({assign:!0})}generate(e,t){const{targetNode:r,sourceNode:s}=e.getNodeProperties(this),i=this.needsSplitAssign(e),n=r.build(e),a=r.getNodeType(e),o=s.build(e,a),u=s.getNodeType(e),l=e.getDataFromNode(this);let d;if(!0===l.initialized)"void"!==t&&(d=n);else if(i){const s=e.getVarFromNode(this,null,a),i=e.getPropertyName(s);e.addLineFlowCode(`${i} = ${o}`,this);const u=r.node,l=u.node.context({assign:!0}).build(e);for(let t=0;t<u.components.length;t++){const r=u.components[t];e.addLineFlowCode(`${l}.${r} = ${i}[ ${t} ]`,this)}"void"!==t&&(d=n)}else d=`${n} = ${o}`,"void"!==t&&"void"!==u||(e.addLineFlowCode(d,this),"void"!==t&&(d=n));return l.initialized=!0,e.format(d,a,t)}}const Ra=rn(Sa).setParameterLength(2);Ni("assign",Ra);class Ea extends ci{static get type(){return"FunctionCallNode"}constructor(e=null,t={}){super(),this.functionNode=e,this.parameters=t}setParameters(e){return this.parameters=e,this}getParameters(){return this.parameters}getNodeType(e){return this.functionNode.getNodeType(e)}getMemberType(e,t){return this.functionNode.getMemberType(e,t)}generate(e){const t=[],r=this.functionNode,s=r.getInputs(e),i=this.parameters,n=(t,r)=>{const s=r.type;let i;return i="pointer"===s?"&"+t.build(e):t.build(e,s),i};if(Array.isArray(i)){if(i.length>s.length)o("TSL: The number of provided parameters exceeds the expected number of inputs in 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r=this.op,s=this.aNode,i=this.bNode,n=s.getNodeType(e),a=i?i.getNodeType(e):null;if("void"===n||"void"===a)return t||"void";if("%"===r)return n;if("~"===r||"&"===r||"|"===r||"^"===r||">>"===r||"<<"===r)return e.getIntegerType(n);if("!"===r||"&&"===r||"||"===r||"^^"===r)return"bool";if("=="===r||"!="===r||"<"===r||">"===r||"<="===r||">="===r){const t=Math.max(e.getTypeLength(n),e.getTypeLength(a));return t>1?`bvec${t}`:"bool"}if(e.isMatrix(n)){if("float"===a)return n;if(e.isVector(a))return e.getVectorFromMatrix(n);if(e.isMatrix(a))return n}else if(e.isMatrix(a)){if("float"===n)return a;if(e.isVector(n))return e.getVectorFromMatrix(a)}return e.getTypeLength(a)>e.getTypeLength(n)?a:n}generate(e,t){const r=this.op,{aNode:s,bNode:i}=this,n=this.getNodeType(e,t);let a=null,o=null;"void"!==n?(a=s.getNodeType(e),o=i?i.getNodeType(e):null,"<"===r||">"===r||"<="===r||">="===r||"=="===r||"!="===r?e.isVector(a)?o=a:e.isVector(o)?a=o:a!==o&&(a=o="float"):">>"===r||"<<"===r?(a=n,o=e.changeComponentType(o,"uint")):"%"===r?(a=n,o=e.isInteger(a)&&e.isInteger(o)?o:a):e.isMatrix(a)?"float"===o?o="float":e.isVector(o)?o=e.getVectorFromMatrix(a):e.isMatrix(o)||(a=o=n):a=e.isMatrix(o)?"float"===a?"float":e.isVector(a)?e.getVectorFromMatrix(o):o=n:o=n):a=o=n;const u=s.build(e,a),l=i?i.build(e,o):null,d=e.getFunctionOperator(r);if("void"!==t){const s=e.renderer.coordinateSystem===c;if("=="===r||"!="===r||"<"===r||">"===r||"<="===r||">="===r)return s&&e.isVector(a)?e.format(`${this.getOperatorMethod(e,t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} ${r} ${l} )`,n,t);if("%"===r)return e.isInteger(o)?e.format(`( ${u} % ${l} )`,n,t):e.format(`${this.getOperatorMethod(e,n)}( ${u}, ${l} )`,n,t);if("!"===r||"~"===r)return e.format(`(${r}${u})`,a,t);if(d)return e.format(`${d}( ${u}, ${l} )`,n,t);if(e.isMatrix(a)&&"float"===o)return e.format(`( ${l} ${r} ${u} )`,n,t);if("float"===a&&e.isMatrix(o))return e.format(`${u} ${r} ${l}`,n,t);{let i=`( ${u} ${r} ${l} )`;return!s&&"bool"===n&&e.isVector(a)&&e.isVector(o)&&(i=`all${i}`),e.format(i,n,t)}}if("void"!==a)return d?e.format(`${d}( ${u}, ${l} )`,n,t):e.isMatrix(a)&&"float"===o?e.format(`${l} ${r} ${u}`,n,t):e.format(`${u} ${r} ${l}`,n,t)}serialize(e){super.serialize(e),e.op=this.op}deserialize(e){super.deserialize(e),this.op=e.op}}const Ma=nn(Ca,"+").setParameterLength(2,1/0).setName("add"),Ba=nn(Ca,"-").setParameterLength(2,1/0).setName("sub"),Fa=nn(Ca,"*").setParameterLength(2,1/0).setName("mul"),La=nn(Ca,"/").setParameterLength(2,1/0).setName("div"),Pa=nn(Ca,"%").setParameterLength(2).setName("mod"),Da=nn(Ca,"==").setParameterLength(2).setName("equal"),Ua=nn(Ca,"!=").setParameterLength(2).setName("notEqual"),Ia=nn(Ca,"<").setParameterLength(2).setName("lessThan"),Oa=nn(Ca,">").setParameterLength(2).setName("greaterThan"),Va=nn(Ca,"<=").setParameterLength(2).setName("lessThanEqual"),ka=nn(Ca,">=").setParameterLength(2).setName("greaterThanEqual"),Ga=nn(Ca,"&&").setParameterLength(2,1/0).setName("and"),za=nn(Ca,"||").setParameterLength(2,1/0).setName("or"),$a=nn(Ca,"!").setParameterLength(1).setName("not"),Wa=nn(Ca,"^^").setParameterLength(2).setName("xor"),Ha=nn(Ca,"&").setParameterLength(2).setName("bitAnd"),qa=nn(Ca,"~").setParameterLength(1).setName("bitNot"),ja=nn(Ca,"|").setParameterLength(2).setName("bitOr"),Xa=nn(Ca,"^").setParameterLength(2).setName("bitXor"),Ka=nn(Ca,"<<").setParameterLength(2).setName("shiftLeft"),Ya=nn(Ca,">>").setParameterLength(2).setName("shiftRight"),Qa=un(([e])=>(e.addAssign(1),e)),Za=un(([e])=>(e.subAssign(1),e)),Ja=un(([e])=>{const t=mn(e).toConst();return e.addAssign(1),t}),eo=un(([e])=>{const t=mn(e).toConst();return e.subAssign(1),t});Ni("add",Ma),Ni("sub",Ba),Ni("mul",Fa),Ni("div",La),Ni("mod",Pa),Ni("equal",Da),Ni("notEqual",Ua),Ni("lessThan",Ia),Ni("greaterThan",Oa),Ni("lessThanEqual",Va),Ni("greaterThanEqual",ka),Ni("and",Ga),Ni("or",za),Ni("not",$a),Ni("xor",Wa),Ni("bitAnd",Ha),Ni("bitNot",qa),Ni("bitOr",ja),Ni("bitXor",Xa),Ni("shiftLeft",Ka),Ni("shiftRight",Ya),Ni("incrementBefore",Qa),Ni("decrementBefore",Za),Ni("increment",Ja),Ni("decrement",eo);const to=(e,t)=>(d('TSL: "modInt()" is deprecated. Use "mod( int( ... ) )" instead.',new Ps),Pa(mn(e),mn(t)));Ni("modInt",to);class ro extends ci{static get type(){return"MathNode"}constructor(e,t,r=null,s=null){if(super(),(e===ro.MAX||e===ro.MIN)&&arguments.length>3){let i=new ro(e,t,r);for(let t=2;t<arguments.length-1;t++)i=new ro(e,i,arguments[t]);t=i,r=arguments[arguments.length-1],s=null}this.method=e,this.aNode=t,this.bNode=r,this.cNode=s,this.isMathNode=!0}getInputType(e){const t=this.aNode.getNodeType(e),r=this.bNode?this.bNode.getNodeType(e):null,s=this.cNode?this.cNode.getNodeType(e):null,i=e.isMatrix(t)?0:e.getTypeLength(t),n=e.isMatrix(r)?0:e.getTypeLength(r),a=e.isMatrix(s)?0:e.getTypeLength(s);return i>n&&i>a?t:n>a?r:a>i?s:t}getNodeType(e){const t=this.method;return t===ro.LENGTH||t===ro.DISTANCE||t===ro.DOT?"float":t===ro.CROSS?"vec3":t===ro.ALL||t===ro.ANY?"bool":t===ro.EQUALS?e.changeComponentType(this.aNode.getNodeType(e),"bool"):this.getInputType(e)}setup(e){const{aNode:t,bNode:r,method:s}=this;let i=null;if(s===ro.ONE_MINUS)i=Ba(1,t);else if(s===ro.RECIPROCAL)i=La(1,t);else if(s===ro.DIFFERENCE)i=Mo(Ba(t,r));else if(s===ro.TRANSFORM_DIRECTION){let s=t,n=r;e.isMatrix(s.getNodeType(e))?n=En(vn(n),0):s=En(vn(s),0);const a=Fa(s,n).xyz;i=vo(a)}return null!==i?i:super.setup(e)}generate(e,t){if(e.getNodeProperties(this).outputNode)return super.generate(e,t);let r=this.method;const s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,a=this.bNode,o=this.cNode,u=e.renderer.coordinateSystem;if(r===ro.NEGATE)return e.format("( - "+n.build(e,i)+" )",s,t);{const l=[];return r===ro.CROSS?l.push(n.build(e,s),a.build(e,s)):u===c&&r===ro.STEP?l.push(n.build(e,1===e.getTypeLength(n.getNodeType(e))?"float":i),a.build(e,i)):u!==c||r!==ro.MIN&&r!==ro.MAX?r===ro.REFRACT?l.push(n.build(e,i),a.build(e,i),o.build(e,"float")):r===ro.MIX?l.push(n.build(e,i),a.build(e,i),o.build(e,1===e.getTypeLength(o.getNodeType(e))?"float":i)):(u===h&&r===ro.ATAN&&null!==a&&(r="atan2"),"fragment"===e.shaderStage||r!==ro.DFDX&&r!==ro.DFDY||(d(`TSL: '${r}' is not supported in the ${e.shaderStage} stage.`,this.stackTrace),r="/*"+r+"*/"),l.push(n.build(e,i)),null!==a&&l.push(a.build(e,i)),null!==o&&l.push(o.build(e,i))):l.push(n.build(e,i),a.build(e,1===e.getTypeLength(a.getNodeType(e))?"float":i)),e.format(`${e.getMethod(r,s)}( ${l.join(", ")} )`,s,t)}}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}ro.ALL="all",ro.ANY="any",ro.RADIANS="radians",ro.DEGREES="degrees",ro.EXP="exp",ro.EXP2="exp2",ro.LOG="log",ro.LOG2="log2",ro.SQRT="sqrt",ro.INVERSE_SQRT="inversesqrt",ro.FLOOR="floor",ro.CEIL="ceil",ro.NORMALIZE="normalize",ro.FRACT="fract",ro.SIN="sin",ro.COS="cos",ro.TAN="tan",ro.ASIN="asin",ro.ACOS="acos",ro.ATAN="atan",ro.ABS="abs",ro.SIGN="sign",ro.LENGTH="length",ro.NEGATE="negate",ro.ONE_MINUS="oneMinus",ro.DFDX="dFdx",ro.DFDY="dFdy",ro.ROUND="round",ro.RECIPROCAL="reciprocal",ro.TRUNC="trunc",ro.FWIDTH="fwidth",ro.TRANSPOSE="transpose",ro.DETERMINANT="determinant",ro.INVERSE="inverse",ro.EQUALS="equals",ro.MIN="min",ro.MAX="max",ro.STEP="step",ro.REFLECT="reflect",ro.DISTANCE="distance",ro.DIFFERENCE="difference",ro.DOT="dot",ro.CROSS="cross",ro.POW="pow",ro.TRANSFORM_DIRECTION="transformDirection",ro.MIX="mix",ro.CLAMP="clamp",ro.REFRACT="refract",ro.SMOOTHSTEP="smoothstep",ro.FACEFORWARD="faceforward";const so=gn(1e-6),io=gn(1e6),no=gn(Math.PI),ao=gn(2*Math.PI),oo=gn(2*Math.PI),uo=gn(.5*Math.PI),lo=nn(ro,ro.ALL).setParameterLength(1),co=nn(ro,ro.ANY).setParameterLength(1),ho=nn(ro,ro.RADIANS).setParameterLength(1),po=nn(ro,ro.DEGREES).setParameterLength(1),go=nn(ro,ro.EXP).setParameterLength(1),mo=nn(ro,ro.EXP2).setParameterLength(1),fo=nn(ro,ro.LOG).setParameterLength(1),yo=nn(ro,ro.LOG2).setParameterLength(1),bo=nn(ro,ro.SQRT).setParameterLength(1),xo=nn(ro,ro.INVERSE_SQRT).setParameterLength(1),To=nn(ro,ro.FLOOR).setParameterLength(1),_o=nn(ro,ro.CEIL).setParameterLength(1),vo=nn(ro,ro.NORMALIZE).setParameterLength(1),No=nn(ro,ro.FRACT).setParameterLength(1),So=nn(ro,ro.SIN).setParameterLength(1),Ro=nn(ro,ro.COS).setParameterLength(1),Eo=nn(ro,ro.TAN).setParameterLength(1),Ao=nn(ro,ro.ASIN).setParameterLength(1),wo=nn(ro,ro.ACOS).setParameterLength(1),Co=nn(ro,ro.ATAN).setParameterLength(1,2),Mo=nn(ro,ro.ABS).setParameterLength(1),Bo=nn(ro,ro.SIGN).setParameterLength(1),Fo=nn(ro,ro.LENGTH).setParameterLength(1),Lo=nn(ro,ro.NEGATE).setParameterLength(1),Po=nn(ro,ro.ONE_MINUS).setParameterLength(1),Do=nn(ro,ro.DFDX).setParameterLength(1),Uo=nn(ro,ro.DFDY).setParameterLength(1),Io=nn(ro,ro.ROUND).setParameterLength(1),Oo=nn(ro,ro.RECIPROCAL).setParameterLength(1),Vo=nn(ro,ro.TRUNC).setParameterLength(1),ko=nn(ro,ro.FWIDTH).setParameterLength(1),Go=nn(ro,ro.TRANSPOSE).setParameterLength(1),zo=nn(ro,ro.DETERMINANT).setParameterLength(1),$o=nn(ro,ro.INVERSE).setParameterLength(1),Wo=nn(ro,ro.MIN).setParameterLength(2,1/0),Ho=nn(ro,ro.MAX).setParameterLength(2,1/0),qo=nn(ro,ro.STEP).setParameterLength(2),jo=nn(ro,ro.REFLECT).setParameterLength(2),Xo=nn(ro,ro.DISTANCE).setParameterLength(2),Ko=nn(ro,ro.DIFFERENCE).setParameterLength(2),Yo=nn(ro,ro.DOT).setParameterLength(2),Qo=nn(ro,ro.CROSS).setParameterLength(2),Zo=nn(ro,ro.POW).setParameterLength(2),Jo=e=>Fa(e,e),eu=e=>Fa(e,e,e),tu=e=>Fa(e,e,e,e),ru=nn(ro,ro.TRANSFORM_DIRECTION).setParameterLength(2),su=e=>Fa(Bo(e),Zo(Mo(e),1/3)),iu=e=>Yo(e,e),nu=nn(ro,ro.MIX).setParameterLength(3),au=(e,t=0,r=1)=>Zi(new ro(ro.CLAMP,Zi(e),Zi(t),Zi(r))),ou=e=>au(e),uu=nn(ro,ro.REFRACT).setParameterLength(3),lu=nn(ro,ro.SMOOTHSTEP).setParameterLength(3),du=nn(ro,ro.FACEFORWARD).setParameterLength(3),cu=un(([e])=>{const t=Yo(e.xy,bn(12.9898,78.233)),r=Pa(t,no);return No(So(r).mul(43758.5453))}),hu=(e,t,r)=>nu(t,r,e),pu=(e,t,r)=>lu(t,r,e),gu=(e,t)=>qo(t,e),mu=du,fu=xo;Ni("all",lo),Ni("any",co),Ni("radians",ho),Ni("degrees",po),Ni("exp",go),Ni("exp2",mo),Ni("log",fo),Ni("log2",yo),Ni("sqrt",bo),Ni("inverseSqrt",xo),Ni("floor",To),Ni("ceil",_o),Ni("normalize",vo),Ni("fract",No),Ni("sin",So),Ni("cos",Ro),Ni("tan",Eo),Ni("asin",Ao),Ni("acos",wo),Ni("atan",Co),Ni("abs",Mo),Ni("sign",Bo),Ni("length",Fo),Ni("lengthSq",iu),Ni("negate",Lo),Ni("oneMinus",Po),Ni("dFdx",Do),Ni("dFdy",Uo),Ni("round",Io),Ni("reciprocal",Oo),Ni("trunc",Vo),Ni("fwidth",ko),Ni("min",Wo),Ni("max",Ho),Ni("step",gu),Ni("reflect",jo),Ni("distance",Xo),Ni("dot",Yo),Ni("cross",Qo),Ni("pow",Zo),Ni("pow2",Jo),Ni("pow3",eu),Ni("pow4",tu),Ni("transformDirection",ru),Ni("mix",hu),Ni("clamp",au),Ni("refract",uu),Ni("smoothstep",pu),Ni("faceForward",du),Ni("difference",Ko),Ni("saturate",ou),Ni("cbrt",su),Ni("transpose",Go),Ni("determinant",zo),Ni("inverse",$o),Ni("rand",cu);class yu extends ui{static get type(){return"ConditionalNode"}constructor(e,t,r=null){super(),this.condNode=e,this.ifNode=t,this.elseNode=r}getNodeType(e){const{ifNode:t,elseNode:r}=e.getNodeProperties(this);if(void 0===t)return e.flowBuildStage(this,"setup"),this.getNodeType(e);const s=t.getNodeType(e);if(null!==r){const t=r.getNodeType(e);if(e.getTypeLength(t)>e.getTypeLength(s))return t}return s}setup(e){const t=this.condNode,r=this.ifNode.isolate(),s=this.elseNode?this.elseNode.isolate():null,i=e.context.nodeBlock;e.getDataFromNode(r).parentNodeBlock=i,null!==s&&(e.getDataFromNode(s).parentNodeBlock=i);const n=e.context.uniformFlow,a=e.getNodeProperties(this);a.condNode=t,a.ifNode=n?r:r.context({nodeBlock:r}),a.elseNode=s?n?s:s.context({nodeBlock:s}):null}generate(e,t){const r=this.getNodeType(e),s=e.getDataFromNode(this);if(void 0!==s.nodeProperty)return s.nodeProperty;const{condNode:i,ifNode:n,elseNode:a}=e.getNodeProperties(this),o=e.currentFunctionNode,u="void"!==t,l=u?Un(r).build(e):"";s.nodeProperty=l;const c=i.build(e,"bool");if(e.context.uniformFlow&&null!==a){const s=n.build(e,r),i=a.build(e,r),o=e.getTernary(c,s,i);return e.format(o,r,t)}e.addFlowCode(`\n${e.tab}if ( ${c} ) {\n\n`).addFlowTab();let h=n.build(e,r);if(h&&(u?h=l+" = "+h+";":(h="return "+h+";",null===o&&(d("TSL: Return statement used in an inline 'Fn()'. Define a layout struct to allow return values.",this.stackTrace),h="// "+h))),e.removeFlowTab().addFlowCode(e.tab+"\t"+h+"\n\n"+e.tab+"}"),null!==a){e.addFlowCode(" else {\n\n").addFlowTab();let t=a.build(e,r);t&&(u?t=l+" = "+t+";":(t="return "+t+";",null===o&&(d("TSL: Return statement used in an inline 'Fn()'. Define a layout struct to allow return values.",this.stackTrace),t="// "+t))),e.removeFlowTab().addFlowCode(e.tab+"\t"+t+"\n\n"+e.tab+"}\n\n")}else e.addFlowCode("\n\n");return e.format(l,r,t)}}const bu=rn(yu).setParameterLength(2,3);Ni("select",bu);class xu extends ui{static get type(){return"ContextNode"}constructor(e=null,t={}){super(),this.isContextNode=!0,this.node=e,this.value=t}getScope(){return this.node.getScope()}getNodeType(e){return this.node.getNodeType(e)}getFlowContextData(){const e=[];return this.traverse(t=>{!0===t.isContextNode&&e.push(t.value)}),Object.assign({},...e)}getMemberType(e,t){return this.node.getMemberType(e,t)}analyze(e){const t=e.addContext(this.value);this.node.build(e),e.setContext(t)}setup(e){const t=e.addContext(this.value);this.node.build(e),e.setContext(t)}generate(e,t){const r=e.addContext(this.value),s=this.node.build(e,t);return e.setContext(r),s}}const Tu=(e=null,t={})=>{let r=e;return null!==r&&!0===r.isNode||(t=r||t,r=null),new xu(r,t)},_u=e=>Tu(e,{uniformFlow:!0}),vu=(e,t)=>Tu(e,{nodeName:t});function Nu(e,t,r=null){return Tu(r,{getShadow:({light:r,shadowColorNode:s})=>t===r?s.mul(e):s})}function Su(e,t=null){return Tu(t,{getAO:(t,{material:r})=>!0===r.transparent?t:null!==t?t.mul(e):e})}function Ru(e,t){return d('TSL: "label()" has been deprecated. Use "setName()" instead.'),vu(e,t)}Ni("context",Tu),Ni("label",Ru),Ni("uniformFlow",_u),Ni("setName",vu),Ni("builtinShadowContext",(e,t,r)=>Nu(t,r,e)),Ni("builtinAOContext",(e,t)=>Su(t,e));class Eu extends ui{static get type(){return"VarNode"}constructor(e,t=null,r=!1){super(),this.node=e,this.name=t,this.global=!0,this.isVarNode=!0,this.readOnly=r,this.parents=!0,this.intent=!1}setIntent(e){return this.intent=e,this}isIntent(e){return!0!==e.getDataFromNode(this).forceDeclaration&&this.intent}getIntent(){return this.intent}getMemberType(e,t){return this.node.getMemberType(e,t)}getElementType(e){return this.node.getElementType(e)}getNodeType(e){return this.node.getNodeType(e)}getArrayCount(e){return this.node.getArrayCount(e)}isAssign(e){return e.getDataFromNode(this).assign}build(...e){const t=e[0];if(!1===this._hasStack(t)&&"setup"===t.buildStage&&(t.context.nodeLoop||t.context.nodeBlock)){let e=!1;if(this.node.isShaderCallNodeInternal&&null===this.node.shaderNode.getLayout()&&t.fnCall&&t.fnCall.shaderNode){if(t.getDataFromNode(this.node.shaderNode).hasLoop){t.getDataFromNode(this).forceDeclaration=!0,e=!0}}const r=t.getBaseStack();e?r.addToStackBefore(this):r.addToStack(this)}return this.isIntent(t)&&!0!==this.isAssign(t)?this.node.build(...e):super.build(...e)}generate(e){const{node:t,name:r,readOnly:s}=this,{renderer:i}=e,n=!0===i.backend.isWebGPUBackend;let a=!1,u=!1;s&&(a=e.isDeterministic(t),u=n?s:a);const l=this.getNodeType(e);if("void"==l){!0!==this.isIntent(e)&&o('TSL: ".toVar()" can not be used with void type.',this.stackTrace);return t.build(e)}const d=e.getVectorType(l),c=t.build(e,d),h=e.getVarFromNode(this,r,d,void 0,u),p=e.getPropertyName(h);let g=p;if(u)if(n)g=a?`const ${p}`:`let ${p}`;else{const r=t.getArrayCount(e);g=`const ${e.getVar(h.type,p,r)}`}return e.addLineFlowCode(`${g} = ${c}`,this),p}_hasStack(e){return void 0!==e.getDataFromNode(this).stack}}const Au=rn(Eu),wu=(e,t=null)=>Au(e,t).toStack(),Cu=(e,t=null)=>Au(e,t,!0).toStack(),Mu=e=>Au(e).setIntent(!0).toStack();Ni("toVar",wu),Ni("toConst",Cu),Ni("toVarIntent",Mu);class Bu extends ui{static get type(){return"SubBuild"}constructor(e,t,r=null){super(r),this.node=e,this.name=t,this.isSubBuildNode=!0}getNodeType(e){if(null!==this.nodeType)return this.nodeType;e.addSubBuild(this.name);const t=this.node.getNodeType(e);return e.removeSubBuild(),t}build(e,...t){e.addSubBuild(this.name);const r=this.node.build(e,...t);return e.removeSubBuild(),r}}const Fu=(e,t,r=null)=>Zi(new Bu(Zi(e),t,r));class Lu extends ui{static get type(){return"VaryingNode"}constructor(e,t=null){super(),this.node=Fu(e,"VERTEX"),this.name=t,this.isVaryingNode=!0,this.interpolationType=null,this.interpolationSampling=null,this.global=!0}setInterpolation(e,t=null){return this.interpolationType=e,this.interpolationSampling=t,this}getHash(e){return this.name||super.getHash(e)}getNodeType(e){return this.node.getNodeType(e)}setupVarying(e){const t=e.getNodeProperties(this);let r=t.varying;if(void 0===r){const s=this.name,i=this.getNodeType(e),n=this.interpolationType,a=this.interpolationSampling;t.varying=r=e.getVaryingFromNode(this,s,i,n,a),t.node=Fu(this.node,"VERTEX")}return r.needsInterpolation||(r.needsInterpolation="fragment"===e.shaderStage),r}setup(e){this.setupVarying(e),e.flowNodeFromShaderStage(Zs.VERTEX,this.node)}analyze(e){this.setupVarying(e),e.flowNodeFromShaderStage(Zs.VERTEX,this.node)}generate(e){const t=e.getSubBuildProperty("property",e.currentStack),r=e.getNodeProperties(this),s=this.setupVarying(e);if(void 0===r[t]){const i=this.getNodeType(e),n=e.getPropertyName(s,Zs.VERTEX);e.flowNodeFromShaderStage(Zs.VERTEX,r.node,i,n),r[t]=n}return e.getPropertyName(s)}}const Pu=rn(Lu).setParameterLength(1,2),Du=e=>Pu(e);Ni("toVarying",Pu),Ni("toVertexStage",Du);const Uu=un(([e])=>{const t=e.mul(.9478672986).add(.0521327014).pow(2.4),r=e.mul(.0773993808),s=e.lessThanEqual(.04045);return nu(t,r,s)}).setLayout({name:"sRGBTransferEOTF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Iu=un(([e])=>{const t=e.pow(.41666).mul(1.055).sub(.055),r=e.mul(12.92),s=e.lessThanEqual(.0031308);return nu(t,r,s)}).setLayout({name:"sRGBTransferOETF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Ou="WorkingColorSpace";class Vu extends ci{static get type(){return"ColorSpaceNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this.source=t,this.target=r}resolveColorSpace(e,t){return t===Ou?p.workingColorSpace:"OutputColorSpace"===t?e.context.outputColorSpace||e.renderer.outputColorSpace:t}setup(e){const{colorNode:t}=this,r=this.resolveColorSpace(e,this.source),s=this.resolveColorSpace(e,this.target);let i=t;return!1!==p.enabled&&r!==s&&r&&s?(p.getTransfer(r)===g&&(i=En(Uu(i.rgb),i.a)),p.getPrimaries(r)!==p.getPrimaries(s)&&(i=En(Bn(p._getMatrix(new n,r,s)).mul(i.rgb),i.a)),p.getTransfer(s)===g&&(i=En(Iu(i.rgb),i.a)),i):i}}const ku=(e,t)=>Zi(new Vu(Zi(e),Ou,t)),Gu=(e,t)=>Zi(new Vu(Zi(e),t,Ou));Ni("workingToColorSpace",ku),Ni("colorSpaceToWorking",Gu);let zu=class extends li{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}getNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,r,s)}};class $u extends ui{static get type(){return"ReferenceBaseNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.updateType=Js.OBJECT}setGroup(e){return this.group=e,this}element(e){return new zu(this,Zi(e))}setNodeType(e){const t=_a(null,e);null!==this.group&&t.setGroup(this.group),this.node=t}getNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}class Wu extends $u{static get type(){return"RendererReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.renderer=r,this.setGroup(ba)}updateReference(e){return this.reference=null!==this.renderer?this.renderer:e.renderer,this.reference}}const Hu=(e,t,r=null)=>new Wu(e,t,r);class qu extends ci{static get type(){return"ToneMappingNode"}constructor(e,t=Xu,r=null){super("vec3"),this._toneMapping=e,this.exposureNode=t,this.colorNode=r}customCacheKey(){return Os(this._toneMapping)}setToneMapping(e){return this._toneMapping=e,this}getToneMapping(){return this._toneMapping}setup(e){const t=this.colorNode||e.context.color,r=this._toneMapping;if(r===m)return t;let s=null;const i=e.renderer.library.getToneMappingFunction(r);return null!==i?s=En(i(t.rgb,this.exposureNode),t.a):(o("ToneMappingNode: Unsupported Tone Mapping configuration.",r),s=t),s}}const ju=(e,t,r)=>Zi(new qu(e,Zi(t),Zi(r))),Xu=Hu("toneMappingExposure","float");Ni("toneMapping",(e,t,r)=>ju(t,r,e));const Ku=new WeakMap;function Yu(e,t){let r=Ku.get(e);return void 0===r&&(r=new b(e,t),Ku.set(e,r)),r}class Qu extends yi{static get type(){return"BufferAttributeNode"}constructor(e,t=null,r=0,s=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferStride=r,this.bufferOffset=s,this.usage=f,this.instanced=!1,this.attribute=null,this.global=!0,e&&!0===e.isBufferAttribute&&e.itemSize<=4&&(this.attribute=e,this.usage=e.usage,this.instanced=e.isInstancedBufferAttribute)}getHash(e){if(0===this.bufferStride&&0===this.bufferOffset){let t=e.globalCache.getData(this.value);return void 0===t&&(t={node:this},e.globalCache.setData(this.value,t)),t.node.uuid}return this.uuid}getNodeType(e){return null===this.bufferType&&(this.bufferType=e.getTypeFromAttribute(this.attribute)),this.bufferType}setup(e){if(null!==this.attribute)return;const t=this.getNodeType(e),r=e.getTypeLength(t),s=this.value,i=this.bufferStride||r,n=this.bufferOffset;let a;a=!0===s.isInterleavedBuffer?s:!0===s.isBufferAttribute?Yu(s.array,i):Yu(s,i);const o=new y(a,r,n);a.setUsage(this.usage),this.attribute=o,this.attribute.isInstancedBufferAttribute=this.instanced}generate(e){const t=this.getNodeType(e),r=e.getBufferAttributeFromNode(this,t),s=e.getPropertyName(r);let i=null;if("vertex"===e.shaderStage||"compute"===e.shaderStage)this.name=s,i=s;else{i=Pu(this).build(e,t)}return i}getInputType(){return"bufferAttribute"}setUsage(e){return this.usage=e,this.attribute&&!0===this.attribute.isBufferAttribute&&(this.attribute.usage=e),this}setInstanced(e){return this.instanced=e,this}}function Zu(e,t=null,r=0,s=0,i=f,n=!1){return"mat3"===t||null===t&&9===e.itemSize?Bn(new Qu(e,"vec3",9,0).setUsage(i).setInstanced(n),new Qu(e,"vec3",9,3).setUsage(i).setInstanced(n),new Qu(e,"vec3",9,6).setUsage(i).setInstanced(n)):"mat4"===t||null===t&&16===e.itemSize?Fn(new Qu(e,"vec4",16,0).setUsage(i).setInstanced(n),new Qu(e,"vec4",16,4).setUsage(i).setInstanced(n),new Qu(e,"vec4",16,8).setUsage(i).setInstanced(n),new Qu(e,"vec4",16,12).setUsage(i).setInstanced(n)):new Qu(e,t,r,s).setUsage(i)}const Ju=(e,t=null,r=0,s=0)=>Zu(e,t,r,s),el=(e,t=null,r=0,s=0)=>Zu(e,t,r,s,f,!0),tl=(e,t=null,r=0,s=0)=>Zu(e,t,r,s,x,!0);Ni("toAttribute",e=>Ju(e.value));class rl extends ui{static get type(){return"ComputeNode"}constructor(e,t){super("void"),this.isComputeNode=!0,this.computeNode=e,this.workgroupSize=t,this.count=null,this.version=1,this.name="",this.updateBeforeType=Js.OBJECT,this.onInitFunction=null}setCount(e){return this.count=e,this}getCount(){return this.count}dispose(){this.dispatchEvent({type:"dispose"})}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Ps),this.setName(e)}onInit(e){return this.onInitFunction=e,this}updateBefore({renderer:e}){e.compute(this)}setup(e){const t=this.computeNode.build(e);if(t){e.getNodeProperties(this).outputComputeNode=t.outputNode,t.outputNode=null}return t}generate(e,t){const{shaderStage:r}=e;if("compute"===r){const t=this.computeNode.build(e,"void");""!==t&&e.addLineFlowCode(t,this)}else{const r=e.getNodeProperties(this).outputComputeNode;if(r)return r.build(e,t)}}}const sl=(e,t=[64])=>{(0===t.length||t.length>3)&&o("TSL: compute() workgroupSize must have 1, 2, or 3 elements",new Ps);for(let e=0;e<t.length;e++){const r=t[e];("number"!=typeof r||r<=0||!Number.isInteger(r))&&o(`TSL: compute() workgroupSize element at index [ ${e} ] must be a positive integer`,new Ps)}for(;t.length<3;)t.push(1);return Zi(new rl(Zi(e),t))},il=(e,t,r)=>sl(e,r).setCount(t);Ni("compute",il),Ni("computeKernel",sl);class nl extends ui{static get type(){return"IsolateNode"}constructor(e,t=!0){super(),this.node=e,this.parent=t,this.isIsolateNode=!0}getNodeType(e){const t=e.getCache(),r=e.getCacheFromNode(this,this.parent);e.setCache(r);const s=this.node.getNodeType(e);return e.setCache(t),s}build(e,...t){const r=e.getCache(),s=e.getCacheFromNode(this,this.parent);e.setCache(s);const i=this.node.build(e,...t);return e.setCache(r),i}setParent(e){return this.parent=e,this}getParent(){return this.parent}}const al=e=>new nl(Zi(e));function ol(e,t=!0){return d('TSL: "cache()" has been deprecated. Use "isolate()" instead.'),al(e).setParent(t)}Ni("cache",ol),Ni("isolate",al);class ul extends ui{static get type(){return"BypassNode"}constructor(e,t){super(),this.isBypassNode=!0,this.outputNode=e,this.callNode=t}getNodeType(e){return this.outputNode.getNodeType(e)}generate(e){const t=this.callNode.build(e,"void");return""!==t&&e.addLineFlowCode(t,this),this.outputNode.build(e)}}const ll=rn(ul).setParameterLength(2);Ni("bypass",ll);class dl extends ui{static get type(){return"RemapNode"}constructor(e,t,r,s=gn(0),i=gn(1)){super(),this.node=e,this.inLowNode=t,this.inHighNode=r,this.outLowNode=s,this.outHighNode=i,this.doClamp=!0}setup(){const{node:e,inLowNode:t,inHighNode:r,outLowNode:s,outHighNode:i,doClamp:n}=this;let a=e.sub(t).div(r.sub(t));return!0===n&&(a=a.clamp()),a.mul(i.sub(s)).add(s)}}const cl=rn(dl,null,null,{doClamp:!1}).setParameterLength(3,5),hl=rn(dl).setParameterLength(3,5);Ni("remap",cl),Ni("remapClamp",hl);class pl extends ui{static get type(){return"ExpressionNode"}constructor(e="",t="void"){super(t),this.snippet=e}generate(e,t){const r=this.getNodeType(e),s=this.snippet;if("void"!==r)return e.format(s,r,t);e.addLineFlowCode(s,this)}}const gl=rn(pl).setParameterLength(1,2),ml=e=>(e?bu(e,gl("discard")):gl("discard")).toStack();Ni("discard",ml);class fl extends ci{static get type(){return"RenderOutputNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this._toneMapping=t,this.outputColorSpace=r,this.isRenderOutputNode=!0}setToneMapping(e){return this._toneMapping=e,this}getToneMapping(){return this._toneMapping}setup({context:e}){let t=this.colorNode||e.color;const r=(null!==this._toneMapping?this._toneMapping:e.toneMapping)||m,s=(null!==this.outputColorSpace?this.outputColorSpace:e.outputColorSpace)||T;return r!==m&&(t=t.toneMapping(r)),s!==T&&s!==p.workingColorSpace&&(t=t.workingToColorSpace(s)),t}}const yl=(e,t=null,r=null)=>Zi(new fl(Zi(e),t,r));Ni("renderOutput",yl);class bl extends ci{static get type(){return"DebugNode"}constructor(e,t=null){super(),this.node=e,this.callback=t}getNodeType(e){return this.node.getNodeType(e)}setup(e){return this.node.build(e)}analyze(e){return this.node.build(e)}generate(e){const t=this.callback,r=this.node.build(e);if(null!==t)t(e,r);else{const t="--- TSL debug - "+e.shaderStage+" shader ---",s="-".repeat(t.length);let i="";i+="// #"+t+"#\n",i+=e.flow.code.replace(/^\t/gm,"")+"\n",i+="/* ... */ "+r+" /* ... */\n",i+="// #"+s+"#\n",_(i)}return r}}const xl=(e,t=null)=>Zi(new bl(Zi(e),t)).toStack();Ni("debug",xl);class Tl{constructor(){this._renderer=null,this.currentFrame=null}get nodeFrame(){return this._renderer._nodes.nodeFrame}setRenderer(e){return this._renderer=e,this}getRenderer(){return this._renderer}init(){}begin(){}finish(){}inspect(){}computeAsync(){}beginCompute(){}finishCompute(){}beginRender(){}finishRender(){}copyTextureToTexture(){}copyFramebufferToTexture(){}}class _l extends ui{static get type(){return"InspectorNode"}constructor(e,t="",r=null){super(),this.node=e,this.name=t,this.callback=r,this.updateType=Js.FRAME,this.isInspectorNode=!0}getName(){return this.name||this.node.name}update(e){e.renderer.inspector.inspect(this)}getNodeType(e){return this.node.getNodeType(e)}setup(e){let t=this.node;return!0===e.context.inspector&&null!==this.callback&&(t=this.callback(t)),!0!==e.renderer.backend.isWebGPUBackend&&e.renderer.inspector.constructor!==Tl&&v('TSL: ".toInspector()" is only available with WebGPU.'),t}}function vl(e,t="",r=null){return(e=Zi(e)).before(new _l(e,t,r))}Ni("toInspector",vl);class Nl extends ui{static get type(){return"AttributeNode"}constructor(e,t=null){super(t),this.global=!0,this._attributeName=e}getHash(e){return this.getAttributeName(e)}getNodeType(e){let t=this.nodeType;if(null===t){const r=this.getAttributeName(e);if(e.hasGeometryAttribute(r)){const s=e.geometry.getAttribute(r);t=e.getTypeFromAttribute(s)}else t="float"}return t}setAttributeName(e){return this._attributeName=e,this}getAttributeName(){return this._attributeName}generate(e){const t=this.getAttributeName(e),r=this.getNodeType(e);if(!0===e.hasGeometryAttribute(t)){const s=e.geometry.getAttribute(t),i=e.getTypeFromAttribute(s),n=e.getAttribute(t,i);if("vertex"===e.shaderStage)return e.format(n.name,i,r);return Pu(this).build(e,r)}return d(`AttributeNode: Vertex attribute "${t}" not found on geometry.`),e.generateConst(r)}serialize(e){super.serialize(e),e.global=this.global,e._attributeName=this._attributeName}deserialize(e){super.deserialize(e),this.global=e.global,this._attributeName=e._attributeName}}const Sl=(e,t=null)=>new Nl(e,t),Rl=(e=0)=>Sl("uv"+(e>0?e:""),"vec2");class El extends ui{static get type(){return"TextureSizeNode"}constructor(e,t=null){super("uvec2"),this.isTextureSizeNode=!0,this.textureNode=e,this.levelNode=t}generate(e,t){const r=this.textureNode.build(e,"property"),s=null===this.levelNode?"0":this.levelNode.build(e,"int");return e.format(`${e.getMethod("textureDimensions")}( ${r}, ${s} )`,this.getNodeType(e),t)}}const Al=rn(El).setParameterLength(1,2);class wl extends Ta{static get type(){return"MaxMipLevelNode"}constructor(e){super(0),this._textureNode=e,this.updateType=Js.FRAME}get textureNode(){return this._textureNode}get texture(){return this._textureNode.value}update(){const e=this.texture,t=e.images,r=t&&t.length>0?t[0]&&t[0].image||t[0]:e.image;if(r&&void 0!==r.width){const{width:e,height:t}=r;this.value=Math.log2(Math.max(e,t))}}}const Cl=rn(wl).setParameterLength(1);class Ml extends Error{constructor(e,t=null){super(e),this.name="NodeError",this.stackTrace=t}}const Bl=new N;class Fl extends Ta{static get type(){return"TextureNode"}constructor(e=Bl,t=null,r=null,s=null){super(e),this.isTextureNode=!0,this.uvNode=t,this.levelNode=r,this.biasNode=s,this.compareNode=null,this.depthNode=null,this.gradNode=null,this.offsetNode=null,this.sampler=!0,this.updateMatrix=!1,this.updateType=Js.NONE,this.referenceNode=null,this._value=e,this._matrixUniform=null,this._flipYUniform=null,this.setUpdateMatrix(null===t)}set value(e){this.referenceNode?this.referenceNode.value=e:this._value=e}get value(){return this.referenceNode?this.referenceNode.value:this._value}getUniformHash(){return this.value.uuid}getNodeType(){return!0===this.value.isDepthTexture?"float":this.value.type===S?"uvec4":this.value.type===R?"ivec4":"vec4"}getInputType(){return"texture"}getDefaultUV(){return Rl(this.value.channel)}updateReference(){return this.value}getTransformedUV(e){return null===this._matrixUniform&&(this._matrixUniform=_a(this.value.matrix)),this._matrixUniform.mul(vn(e,1)).xy}setUpdateMatrix(e){return this.updateMatrix=e,this}setupUV(e,t){return e.isFlipY()&&(null===this._flipYUniform&&(this._flipYUniform=_a(!1)),t=t.toVar(),t=this.sampler?this._flipYUniform.select(t.flipY(),t):this._flipYUniform.select(t.setY(mn(Al(this,this.levelNode).y).sub(t.y).sub(1)),t)),t}setup(e){const t=e.getNodeProperties(this);t.referenceNode=this.referenceNode;const r=this.value;if(!r||!0!==r.isTexture)throw new Ml("THREE.TSL: `texture( value )` function expects a valid instance of THREE.Texture().",this.stackTrace);const s=un(()=>{let t=this.uvNode;return null!==t&&!0!==e.context.forceUVContext||!e.context.getUV||(t=e.context.getUV(this,e)),t||(t=this.getDefaultUV()),!0===this.updateMatrix&&(t=this.getTransformedUV(t)),t=this.setupUV(e,t),this.updateType=null!==this._matrixUniform||null!==this._flipYUniform?Js.OBJECT:Js.NONE,t})();let i=this.levelNode;null===i&&e.context.getTextureLevel&&(i=e.context.getTextureLevel(this));let n=null,a=null;null!==this.compareNode&&(e.renderer.hasCompatibility(E.TEXTURE_COMPARE)?n=this.compareNode:null===this.value.compareFunction||this.value.compareFunction===A?a=this.compareNode:(n=this.compareNode,v('TSL: Only "LessCompare" is supported for depth texture comparison fallback.'))),t.uvNode=s,t.levelNode=i,t.biasNode=this.biasNode,t.compareNode=n,t.compareStepNode=a,t.gradNode=this.gradNode,t.depthNode=this.depthNode,t.offsetNode=this.offsetNode}generateUV(e,t){return t.build(e,!0===this.sampler?"vec2":"ivec2")}generateOffset(e,t){return t.build(e,"ivec2")}generateSnippet(e,t,r,s,i,n,a,o,u){const l=this.value;let d;return d=i?e.generateTextureBias(l,t,r,i,n,u):o?e.generateTextureGrad(l,t,r,o,n,u):a?e.generateTextureCompare(l,t,r,a,n,u):!1===this.sampler?e.generateTextureLoad(l,t,r,s,n,u):s?e.generateTextureLevel(l,t,r,s,n,u):e.generateTexture(l,t,r,n,u),d}generate(e,t){const r=this.value,s=e.getNodeProperties(this),i=super.generate(e,"property");if(/^sampler/.test(t))return i+"_sampler";if(e.isReference(t))return i;{const n=e.getDataFromNode(this),a=this.getNodeType(e);let o=n.propertyName;if(void 0===o){const{uvNode:t,levelNode:r,biasNode:u,compareNode:l,compareStepNode:d,depthNode:c,gradNode:h,offsetNode:p}=s,g=this.generateUV(e,t),m=r?r.build(e,"float"):null,f=u?u.build(e,"float"):null,y=c?c.build(e,"int"):null,b=l?l.build(e,"float"):null,x=d?d.build(e,"float"):null,T=h?[h[0].build(e,"vec2"),h[1].build(e,"vec2")]:null,_=p?this.generateOffset(e,p):null,v=e.getVarFromNode(this);o=e.getPropertyName(v);let N=this.generateSnippet(e,i,g,m,f,y,b,T,_);null!==x&&(N=qo(gl(x,"float"),gl(N,a)).build(e,a)),e.addLineFlowCode(`${o} = ${N}`,this),n.snippet=N,n.propertyName=o}let u=o;return e.needsToWorkingColorSpace(r)&&(u=Gu(gl(u,a),r.colorSpace).setup(e).build(e,a)),e.format(u,a,t)}}setSampler(e){return this.sampler=e,this}getSampler(){return this.sampler}sample(e){const t=this.clone();return t.uvNode=Zi(e),t.referenceNode=this.getBase(),Zi(t)}load(e){return this.sample(e).setSampler(!1)}blur(e){const t=this.clone();t.biasNode=Zi(e).mul(Cl(t)),t.referenceNode=this.getBase();const r=t.value;return!1===t.generateMipmaps&&(r&&!1===r.generateMipmaps||r.minFilter===w||r.magFilter===w)&&(d("TSL: texture().blur() requires mipmaps and sampling. Use .generateMipmaps=true and .minFilter/.magFilter=THREE.LinearFilter in the Texture."),t.biasNode=null),Zi(t)}level(e){const t=this.clone();return t.levelNode=Zi(e),t.referenceNode=this.getBase(),Zi(t)}size(e){return Al(this,e)}bias(e){const t=this.clone();return t.biasNode=Zi(e),t.referenceNode=this.getBase(),Zi(t)}getBase(){return this.referenceNode?this.referenceNode.getBase():this}compare(e){const t=this.clone();return t.compareNode=Zi(e),t.referenceNode=this.getBase(),Zi(t)}grad(e,t){const r=this.clone();return r.gradNode=[Zi(e),Zi(t)],r.referenceNode=this.getBase(),Zi(r)}depth(e){const t=this.clone();return t.depthNode=Zi(e),t.referenceNode=this.getBase(),Zi(t)}offset(e){const t=this.clone();return t.offsetNode=Zi(e),t.referenceNode=this.getBase(),Zi(t)}serialize(e){super.serialize(e),e.value=this.value.toJSON(e.meta).uuid,e.sampler=this.sampler,e.updateMatrix=this.updateMatrix,e.updateType=this.updateType}deserialize(e){super.deserialize(e),this.value=e.meta.textures[e.value],this.sampler=e.sampler,this.updateMatrix=e.updateMatrix,this.updateType=e.updateType}update(){const e=this.value,t=this._matrixUniform;null!==t&&(t.value=e.matrix),!0===e.matrixAutoUpdate&&e.updateMatrix();const r=this._flipYUniform;null!==r&&(r.value=e.image instanceof ImageBitmap&&!0===e.flipY||!0===e.isRenderTargetTexture||!0===e.isFramebufferTexture||!0===e.isDepthTexture)}clone(){const e=new this.constructor(this.value,this.uvNode,this.levelNode,this.biasNode);return e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.offsetNode=this.offsetNode,e}}const Ll=rn(Fl).setParameterLength(1,4).setName("texture"),Pl=(e=Bl,t=null,r=null,s=null)=>{let i;return e&&!0===e.isTextureNode?(i=Zi(e.clone()),i.referenceNode=e.getBase(),null!==t&&(i.uvNode=Zi(t)),null!==r&&(i.levelNode=Zi(r)),null!==s&&(i.biasNode=Zi(s))):i=Ll(e,t,r,s),i},Dl=(...e)=>Pl(...e).setSampler(!1);class Ul extends Ta{static get type(){return"BufferNode"}constructor(e,t,r=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferCount=r,this.updateRanges=[]}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}getElementType(e){return this.getNodeType(e)}getInputType(){return"buffer"}}const Il=(e,t,r)=>new Ul(e,t,r);class Ol extends li{static get type(){return"UniformArrayElementNode"}constructor(e,t){super(e,t),this.isArrayBufferElementNode=!0}generate(e){const t=super.generate(e),r=this.getNodeType(),s=this.node.getPaddedType();return e.format(t,s,r)}}class Vl extends Ul{static get type(){return"UniformArrayNode"}constructor(e,t=null){super(null),this.array=e,this.elementType=null===t?qs(e[0]):t,this.paddedType=this.getPaddedType(),this.updateType=Js.RENDER,this.isArrayBufferNode=!0}getNodeType(){return this.paddedType}getElementType(){return this.elementType}getPaddedType(){const e=this.elementType;let t="vec4";return"mat2"===e?t="mat2":!0===/mat/.test(e)?t="mat4":"i"===e.charAt(0)?t="ivec4":"u"===e.charAt(0)&&(t="uvec4"),t}update(){const{array:e,value:t}=this,r=this.elementType;if("float"===r||"int"===r||"uint"===r)for(let r=0;r<e.length;r++){t[4*r]=e[r]}else if("color"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.r,t[s+1]=i.g,t[s+2]=i.b||0}else if("mat2"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+3]=i.elements[3]}else if("mat3"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+4]=i.elements[3],t[s+5]=i.elements[4],t[s+6]=i.elements[5],t[s+8]=i.elements[6],t[s+9]=i.elements[7],t[s+10]=i.elements[8],t[s+15]=1}else if("mat4"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];for(let e=0;e<i.elements.length;e++)t[s+e]=i.elements[e]}else for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.x,t[s+1]=i.y,t[s+2]=i.z||0,t[s+3]=i.w||0}}setup(e){const t=this.array.length,r=this.elementType;let s=Float32Array;const i=this.paddedType,n=e.getTypeLength(i);return"i"===r.charAt(0)&&(s=Int32Array),"u"===r.charAt(0)&&(s=Uint32Array),this.value=new s(t*n),this.bufferCount=t,this.bufferType=i,this.update(),super.setup(e)}element(e){return new Ol(this,Zi(e))}}const kl=(e,t)=>new Vl(e,t);class Gl extends ui{constructor(e){super("float"),this.name=e,this.isBuiltinNode=!0}generate(){return this.name}}const zl=rn(Gl).setParameterLength(1);let $l,Wl;class Hl extends ui{static get type(){return"ScreenNode"}constructor(e){super(),this.scope=e,this._output=null,this.isViewportNode=!0}getNodeType(){return this.scope===Hl.DPR?"float":this.scope===Hl.VIEWPORT?"vec4":"vec2"}getUpdateType(){let e=Js.NONE;return this.scope!==Hl.SIZE&&this.scope!==Hl.VIEWPORT&&this.scope!==Hl.DPR||(e=Js.RENDER),this.updateType=e,e}update({renderer:e}){const t=e.getRenderTarget();this.scope===Hl.VIEWPORT?null!==t?Wl.copy(t.viewport):(e.getViewport(Wl),Wl.multiplyScalar(e.getPixelRatio())):this.scope===Hl.DPR?this._output.value=e.getPixelRatio():null!==t?($l.width=t.width,$l.height=t.height):e.getDrawingBufferSize($l)}setup(){const e=this.scope;let r=null;return r=e===Hl.SIZE?_a($l||($l=new t)):e===Hl.VIEWPORT?_a(Wl||(Wl=new s)):e===Hl.DPR?_a(1):bn(Kl.div(Xl)),this._output=r,r}generate(e){if(this.scope===Hl.COORDINATE){let t=e.getFragCoord();if(e.isFlipY()){const r=e.getNodeProperties(Xl).outputNode.build(e);t=`${e.getType("vec2")}( ${t}.x, ${r}.y - ${t}.y )`}return t}return super.generate(e)}}Hl.COORDINATE="coordinate",Hl.VIEWPORT="viewport",Hl.SIZE="size",Hl.UV="uv",Hl.DPR="dpr";const ql=sn(Hl,Hl.DPR),jl=sn(Hl,Hl.UV),Xl=sn(Hl,Hl.SIZE),Kl=sn(Hl,Hl.COORDINATE),Yl=sn(Hl,Hl.VIEWPORT),Ql=Yl.zw,Zl=Kl.sub(Yl.xy),Jl=Zl.div(Ql),ed=un(()=>(d('TSL: "viewportResolution" is deprecated. Use "screenSize" instead.',new Ps),Xl),"vec2").once()();let td=null,rd=null,sd=null,id=null,nd=null,ad=null,od=null,ud=null,ld=null,dd=null,cd=null,hd=null,pd=null,gd=null;const md=_a(0,"uint").setName("u_cameraIndex").setGroup(fa("cameraIndex")).toVarying("v_cameraIndex"),fd=_a("float").setName("cameraNear").setGroup(ba).onRenderUpdate(({camera:e})=>e.near),yd=_a("float").setName("cameraFar").setGroup(ba).onRenderUpdate(({camera:e})=>e.far),bd=un(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrix);null===rd?rd=kl(r).setGroup(ba).setName("cameraProjectionMatrices"):rd.array=r,t=rd.element(e.isMultiViewCamera?zl("gl_ViewID_OVR"):md).toConst("cameraProjectionMatrix")}else null===td&&(td=_a(e.projectionMatrix).setName("cameraProjectionMatrix").setGroup(ba).onRenderUpdate(({camera:e})=>e.projectionMatrix)),t=td;return t}).once()(),xd=un(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrixInverse);null===id?id=kl(r).setGroup(ba).setName("cameraProjectionMatricesInverse"):id.array=r,t=id.element(e.isMultiViewCamera?zl("gl_ViewID_OVR"):md).toConst("cameraProjectionMatrixInverse")}else null===sd&&(sd=_a(e.projectionMatrixInverse).setName("cameraProjectionMatrixInverse").setGroup(ba).onRenderUpdate(({camera:e})=>e.projectionMatrixInverse)),t=sd;return t}).once()(),Td=un(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorldInverse);null===ad?ad=kl(r).setGroup(ba).setName("cameraViewMatrices"):ad.array=r,t=ad.element(e.isMultiViewCamera?zl("gl_ViewID_OVR"):md).toConst("cameraViewMatrix")}else null===nd&&(nd=_a(e.matrixWorldInverse).setName("cameraViewMatrix").setGroup(ba).onRenderUpdate(({camera:e})=>e.matrixWorldInverse)),t=nd;return t}).once()(),_d=un(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorld);null===ud?ud=kl(r).setGroup(ba).setName("cameraWorldMatrices"):ud.array=r,t=ud.element(e.isMultiViewCamera?zl("gl_ViewID_OVR"):md).toConst("cameraWorldMatrix")}else null===od&&(od=_a(e.matrixWorld).setName("cameraWorldMatrix").setGroup(ba).onRenderUpdate(({camera:e})=>e.matrixWorld)),t=od;return t}).once()(),vd=un(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.normalMatrix);null===dd?dd=kl(r).setGroup(ba).setName("cameraNormalMatrices"):dd.array=r,t=dd.element(e.isMultiViewCamera?zl("gl_ViewID_OVR"):md).toConst("cameraNormalMatrix")}else null===ld&&(ld=_a(e.normalMatrix).setName("cameraNormalMatrix").setGroup(ba).onRenderUpdate(({camera:e})=>e.normalMatrix)),t=ld;return t}).once()(),Nd=un(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const s=[];for(let t=0,i=e.cameras.length;t<i;t++)s.push(new r);null===hd?hd=kl(s).setGroup(ba).setName("cameraPositions").onRenderUpdate(({camera:e},t)=>{const r=e.cameras,s=t.array;for(let e=0,t=r.length;e<t;e++)s[e].setFromMatrixPosition(r[e].matrixWorld)}):hd.array=s,t=hd.element(e.isMultiViewCamera?zl("gl_ViewID_OVR"):md).toConst("cameraPosition")}else null===cd&&(cd=_a(new r).setName("cameraPosition").setGroup(ba).onRenderUpdate(({camera:e},t)=>t.value.setFromMatrixPosition(e.matrixWorld))),t=cd;return t}).once()(),Sd=un(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.viewport);null===gd?gd=kl(r,"vec4").setGroup(ba).setName("cameraViewports"):gd.array=r,t=gd.element(md).toConst("cameraViewport")}else null===pd&&(pd=En(0,0,Xl.x,Xl.y).toConst("cameraViewport")),t=pd;return t}).once()(),Rd=new C;class Ed extends ui{static get type(){return"Object3DNode"}constructor(e,t=null){super(),this.scope=e,this.object3d=t,this.updateType=Js.OBJECT,this.uniformNode=new Ta(null)}getNodeType(){const e=this.scope;return e===Ed.WORLD_MATRIX?"mat4":e===Ed.POSITION||e===Ed.VIEW_POSITION||e===Ed.DIRECTION||e===Ed.SCALE?"vec3":e===Ed.RADIUS?"float":void 0}update(e){const t=this.object3d,s=this.uniformNode,i=this.scope;if(i===Ed.WORLD_MATRIX)s.value=t.matrixWorld;else if(i===Ed.POSITION)s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld);else if(i===Ed.SCALE)s.value=s.value||new r,s.value.setFromMatrixScale(t.matrixWorld);else if(i===Ed.DIRECTION)s.value=s.value||new r,t.getWorldDirection(s.value);else if(i===Ed.VIEW_POSITION){const i=e.camera;s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld),s.value.applyMatrix4(i.matrixWorldInverse)}else if(i===Ed.RADIUS){const r=e.object.geometry;null===r.boundingSphere&&r.computeBoundingSphere(),Rd.copy(r.boundingSphere).applyMatrix4(t.matrixWorld),s.value=Rd.radius}}generate(e){const t=this.scope;return t===Ed.WORLD_MATRIX?this.uniformNode.nodeType="mat4":t===Ed.POSITION||t===Ed.VIEW_POSITION||t===Ed.DIRECTION||t===Ed.SCALE?this.uniformNode.nodeType="vec3":t===Ed.RADIUS&&(this.uniformNode.nodeType="float"),this.uniformNode.build(e)}serialize(e){super.serialize(e),e.scope=this.scope}deserialize(e){super.deserialize(e),this.scope=e.scope}}Ed.WORLD_MATRIX="worldMatrix",Ed.POSITION="position",Ed.SCALE="scale",Ed.VIEW_POSITION="viewPosition",Ed.DIRECTION="direction",Ed.RADIUS="radius";const Ad=rn(Ed,Ed.DIRECTION).setParameterLength(1),wd=rn(Ed,Ed.WORLD_MATRIX).setParameterLength(1),Cd=rn(Ed,Ed.POSITION).setParameterLength(1),Md=rn(Ed,Ed.SCALE).setParameterLength(1),Bd=rn(Ed,Ed.VIEW_POSITION).setParameterLength(1),Fd=rn(Ed,Ed.RADIUS).setParameterLength(1);class Ld extends Ed{static get type(){return"ModelNode"}constructor(e){super(e)}update(e){this.object3d=e.object,super.update(e)}}const Pd=sn(Ld,Ld.DIRECTION),Dd=sn(Ld,Ld.WORLD_MATRIX),Ud=sn(Ld,Ld.POSITION),Id=sn(Ld,Ld.SCALE),Od=sn(Ld,Ld.VIEW_POSITION),Vd=sn(Ld,Ld.RADIUS),kd=_a(new n).onObjectUpdate(({object:e},t)=>t.value.getNormalMatrix(e.matrixWorld)),Gd=_a(new a).onObjectUpdate(({object:e},t)=>t.value.copy(e.matrixWorld).invert()),zd=un(e=>e.context.modelViewMatrix||$d).once()().toVar("modelViewMatrix"),$d=Td.mul(Dd),Wd=un(e=>(e.context.isHighPrecisionModelViewMatrix=!0,_a("mat4").onObjectUpdate(({object:e,camera:t})=>e.modelViewMatrix.multiplyMatrices(t.matrixWorldInverse,e.matrixWorld)))).once()().toVar("highpModelViewMatrix"),Hd=un(e=>{const t=e.context.isHighPrecisionModelViewMatrix;return _a("mat3").onObjectUpdate(({object:e,camera:r})=>(!0!==t&&e.modelViewMatrix.multiplyMatrices(r.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix)))}).once()().toVar("highpModelNormalViewMatrix"),qd=un(e=>"fragment"!==e.shaderStage?(v("TSL: `clipSpace` is only available in fragment stage."),En()):e.context.clipSpace.toVarying("v_clipSpace")).once()(),jd=Sl("position","vec3"),Xd=jd.toVarying("positionLocal"),Kd=jd.toVarying("positionPrevious"),Yd=un(e=>Dd.mul(Xd).xyz.toVarying(e.getSubBuildProperty("v_positionWorld")),"vec3").once(["POSITION"])(),Qd=un(()=>Xd.transformDirection(Dd).toVarying("v_positionWorldDirection").normalize().toVar("positionWorldDirection"),"vec3").once(["POSITION"])(),Zd=un(e=>{if("fragment"===e.shaderStage&&e.material.vertexNode){const e=xd.mul(qd);return e.xyz.div(e.w).toVar("positionView")}return e.context.setupPositionView().toVarying("v_positionView")},"vec3").once(["POSITION","VERTEX"])(),Jd=un(e=>{let t;return t=e.camera.isOrthographicCamera?vn(0,0,1):Zd.negate().toVarying("v_positionViewDirection").normalize(),t.toVar("positionViewDirection")},"vec3").once(["POSITION"])();class ec extends ui{static get type(){return"FrontFacingNode"}constructor(){super("bool"),this.isFrontFacingNode=!0}generate(e){if("fragment"!==e.shaderStage)return"true";const{material:t}=e;return t.side===M?"false":e.getFrontFacing()}}const tc=sn(ec),rc=gn(tc).mul(2).sub(1),sc=un(([e],{material:t})=>{const r=t.side;return r===M?e=e.mul(-1):r===B&&(e=e.mul(rc)),e}),ic=Sl("normal","vec3"),nc=un(e=>!1===e.geometry.hasAttribute("normal")?(d('TSL: Vertex attribute "normal" not found on geometry.'),vn(0,1,0)):ic,"vec3").once()().toVar("normalLocal"),ac=Zd.dFdx().cross(Zd.dFdy()).normalize().toVar("normalFlat"),oc=un(e=>{let t;return t=e.isFlatShading()?ac:pc(nc).toVarying("v_normalViewGeometry").normalize(),t},"vec3").once()().toVar("normalViewGeometry"),uc=un(e=>{let t=oc.transformDirection(Td);return!0!==e.isFlatShading()&&(t=t.toVarying("v_normalWorldGeometry")),t.normalize().toVar("normalWorldGeometry")},"vec3").once()(),lc=un(e=>{let t;return"NORMAL"===e.subBuildFn||"VERTEX"===e.subBuildFn?(t=oc,!0!==e.isFlatShading()&&(t=sc(t))):t=e.context.setupNormal().context({getUV:null,getTextureLevel:null}),t},"vec3").once(["NORMAL","VERTEX"])().toVar("normalView"),dc=lc.transformDirection(Td).toVar("normalWorld"),cc=un(({subBuildFn:e,context:t})=>{let r;return r="NORMAL"===e||"VERTEX"===e?lc:t.setupClearcoatNormal().context({getUV:null,getTextureLevel:null}),r},"vec3").once(["NORMAL","VERTEX"])().toVar("clearcoatNormalView"),hc=un(([e,t=Dd])=>{const r=Bn(t),s=e.div(vn(r[0].dot(r[0]),r[1].dot(r[1]),r[2].dot(r[2])));return r.mul(s).xyz}),pc=un(([e],t)=>{const r=t.context.modelNormalViewMatrix;if(r)return r.transformDirection(e);const s=kd.mul(e);return Td.transformDirection(s)}),gc=un(()=>(d('TSL: "transformedNormalView" is deprecated. Use "normalView" instead.'),lc)).once(["NORMAL","VERTEX"])(),mc=un(()=>(d('TSL: "transformedNormalWorld" is deprecated. Use "normalWorld" instead.'),dc)).once(["NORMAL","VERTEX"])(),fc=un(()=>(d('TSL: "transformedClearcoatNormalView" is deprecated. Use "clearcoatNormalView" instead.'),cc)).once(["NORMAL","VERTEX"])(),yc=new F,bc=new a,xc=_a(0).onReference(({material:e})=>e).onObjectUpdate(({material:e})=>e.refractionRatio),Tc=_a(1).onReference(({material:e})=>e).onObjectUpdate(function({material:e,scene:t}){return e.envMap?e.envMapIntensity:t.environmentIntensity}),_c=_a(new a).onReference(function(e){return e.material}).onObjectUpdate(function({material:e,scene:t}){const r=null!==t.environment&&null===e.envMap?t.environmentRotation:e.envMapRotation;return r?(yc.copy(r),bc.makeRotationFromEuler(yc)):bc.identity(),bc}),vc=Jd.negate().reflect(lc),Nc=Jd.negate().refract(lc,xc),Sc=vc.transformDirection(Td).toVar("reflectVector"),Rc=Nc.transformDirection(Td).toVar("reflectVector"),Ec=new L;class Ac extends Fl{static get type(){return"CubeTextureNode"}constructor(e,t=null,r=null,s=null){super(e,t,r,s),this.isCubeTextureNode=!0}getInputType(){return!0===this.value.isDepthTexture?"cubeDepthTexture":"cubeTexture"}getDefaultUV(){const e=this.value;return e.mapping===P?Sc:e.mapping===D?Rc:(o('CubeTextureNode: Mapping "%s" not supported.',e.mapping),vn(0,0,0))}setUpdateMatrix(){}setupUV(e,t){const r=this.value;return!0===r.isDepthTexture?e.renderer.coordinateSystem===h?vn(t.x,t.y.negate(),t.z):t:(e.renderer.coordinateSystem!==h&&r.isRenderTargetTexture||(t=vn(t.x.negate(),t.yz)),_c.mul(t))}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}}const wc=rn(Ac).setParameterLength(1,4).setName("cubeTexture"),Cc=(e=Ec,t=null,r=null,s=null)=>{let i;return e&&!0===e.isCubeTextureNode?(i=Zi(e.clone()),i.referenceNode=e,null!==t&&(i.uvNode=Zi(t)),null!==r&&(i.levelNode=Zi(r)),null!==s&&(i.biasNode=Zi(s))):i=wc(e,t,r,s),i};class Mc extends li{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}getNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,r,s)}}class Bc extends ui{static get type(){return"ReferenceNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.name=null,this.updateType=Js.OBJECT}element(e){return new Mc(this,Zi(e))}setGroup(e){return this.group=e,this}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.'),this.setName(e)}setNodeType(e){let t=null;t=null!==this.count?Il(null,e,this.count):Array.isArray(this.getValueFromReference())?kl(null,e):"texture"===e?Pl(null):"cubeTexture"===e?Cc(null):_a(null,e),null!==this.group&&t.setGroup(this.group),null!==this.name&&t.setName(this.name),this.node=t}getNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}const Fc=(e,t,r)=>new Bc(e,t,r),Lc=(e,t,r,s)=>new Bc(e,t,s,r);class Pc extends Bc{static get type(){return"MaterialReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.material=r,this.isMaterialReferenceNode=!0}updateReference(e){return this.reference=null!==this.material?this.material:e.material,this.reference}}const Dc=(e,t,r=null)=>new Pc(e,t,r),Uc=Rl(),Ic=Zd.dFdx(),Oc=Zd.dFdy(),Vc=Uc.dFdx(),kc=Uc.dFdy(),Gc=lc,zc=Oc.cross(Gc),$c=Gc.cross(Ic),Wc=zc.mul(Vc.x).add($c.mul(kc.x)),Hc=zc.mul(Vc.y).add($c.mul(kc.y)),qc=Wc.dot(Wc).max(Hc.dot(Hc)),jc=qc.equal(0).select(0,qc.inverseSqrt()),Xc=Wc.mul(jc).toVar("tangentViewFrame"),Kc=Hc.mul(jc).toVar("bitangentViewFrame"),Yc=Sl("tangent","vec4"),Qc=Yc.xyz.toVar("tangentLocal"),Zc=un(e=>{let t;return t="VERTEX"===e.subBuildFn||e.geometry.hasAttribute("tangent")?zd.mul(En(Qc,0)).xyz.toVarying("v_tangentView").normalize():Xc,!0!==e.isFlatShading()&&(t=sc(t)),t},"vec3").once(["NORMAL","VERTEX"])().toVar("tangentView"),Jc=Zc.transformDirection(Td).toVarying("v_tangentWorld").normalize().toVar("tangentWorld"),eh=un(([e,t],r)=>{let s=e.mul(Yc.w).xyz;return"NORMAL"===r.subBuildFn&&!0!==r.isFlatShading()&&(s=s.toVarying(t)),s}).once(["NORMAL"]),th=eh(ic.cross(Yc),"v_bitangentGeometry").normalize().toVar("bitangentGeometry"),rh=eh(nc.cross(Qc),"v_bitangentLocal").normalize().toVar("bitangentLocal"),sh=un(e=>{let t;return t="VERTEX"===e.subBuildFn||e.geometry.hasAttribute("tangent")?eh(lc.cross(Zc),"v_bitangentView").normalize():Kc,!0!==e.isFlatShading()&&(t=sc(t)),t},"vec3").once(["NORMAL","VERTEX"])().toVar("bitangentView"),ih=eh(dc.cross(Jc),"v_bitangentWorld").normalize().toVar("bitangentWorld"),nh=Bn(Zc,sh,lc).toVar("TBNViewMatrix"),ah=Jd.mul(nh),oh=un(()=>{let e=Jn.cross(Jd);return e=e.cross(Jn).normalize(),e=nu(e,lc,Qn.mul(Gn.oneMinus()).oneMinus().pow2().pow2()).normalize(),e}).once()(),uh=e=>Zi(e).mul(.5).add(.5),lh=e=>vn(e,bo(ou(gn(1).sub(Yo(e,e)))));class dh extends ci{static get type(){return"NormalMapNode"}constructor(e,t=null){super("vec3"),this.node=e,this.scaleNode=t,this.normalMapType=U,this.unpackNormalMode=I}setup(e){const{normalMapType:t,scaleNode:r,unpackNormalMode:s}=this;let i=this.node.mul(2).sub(1);if(t===U?s===O?i=lh(i.xy):s===V?i=lh(i.yw):s!==I&&console.error(`THREE.NodeMaterial: Unexpected unpack normal mode: ${s}`):s!==I&&console.error(`THREE.NodeMaterial: Normal map type '${t}' is not compatible with unpack normal mode '${s}'`),null!==r){let t=r;!0===e.isFlatShading()&&(t=sc(t)),i=vn(i.xy.mul(t),i.z)}let n=null;return t===k?n=pc(i):t===U?n=nh.mul(i).normalize():(o(`NodeMaterial: Unsupported normal map type: ${t}`),n=lc),n}}const ch=rn(dh).setParameterLength(1,2),hh=un(({textureNode:e,bumpScale:t})=>{const r=t=>e.isolate().context({getUV:e=>t(e.uvNode||Rl()),forceUVContext:!0}),s=gn(r(e=>e));return bn(gn(r(e=>e.add(e.dFdx()))).sub(s),gn(r(e=>e.add(e.dFdy()))).sub(s)).mul(t)}),ph=un(e=>{const{surf_pos:t,surf_norm:r,dHdxy:s}=e,i=t.dFdx().normalize(),n=r,a=t.dFdy().normalize().cross(n),o=n.cross(i),u=i.dot(a).mul(rc),l=u.sign().mul(s.x.mul(a).add(s.y.mul(o)));return u.abs().mul(r).sub(l).normalize()});class gh extends ci{static get type(){return"BumpMapNode"}constructor(e,t=null){super("vec3"),this.textureNode=e,this.scaleNode=t}setup(){const e=null!==this.scaleNode?this.scaleNode:1,t=hh({textureNode:this.textureNode,bumpScale:e});return ph({surf_pos:Zd,surf_norm:lc,dHdxy:t})}}const mh=rn(gh).setParameterLength(1,2),fh=new Map;class yh extends ui{static get type(){return"MaterialNode"}constructor(e){super(),this.scope=e}getCache(e,t){let r=fh.get(e);return void 0===r&&(r=Dc(e,t),fh.set(e,r)),r}getFloat(e){return this.getCache(e,"float")}getColor(e){return this.getCache(e,"color")}getTexture(e){return this.getCache("map"===e?"map":e+"Map","texture")}setup(e){const t=e.context.material,r=this.scope;let s=null;if(r===yh.COLOR){const e=void 0!==t.color?this.getColor(r):vn();s=t.map&&!0===t.map.isTexture?e.mul(this.getTexture("map")):e}else if(r===yh.OPACITY){const e=this.getFloat(r);s=t.alphaMap&&!0===t.alphaMap.isTexture?e.mul(this.getTexture("alpha")):e}else if(r===yh.SPECULAR_STRENGTH)s=t.specularMap&&!0===t.specularMap.isTexture?this.getTexture("specular").r:gn(1);else if(r===yh.SPECULAR_INTENSITY){const e=this.getFloat(r);s=t.specularIntensityMap&&!0===t.specularIntensityMap.isTexture?e.mul(this.getTexture(r).a):e}else if(r===yh.SPECULAR_COLOR){const e=this.getColor(r);s=t.specularColorMap&&!0===t.specularColorMap.isTexture?e.mul(this.getTexture(r).rgb):e}else if(r===yh.ROUGHNESS){const e=this.getFloat(r);s=t.roughnessMap&&!0===t.roughnessMap.isTexture?e.mul(this.getTexture(r).g):e}else if(r===yh.METALNESS){const e=this.getFloat(r);s=t.metalnessMap&&!0===t.metalnessMap.isTexture?e.mul(this.getTexture(r).b):e}else if(r===yh.EMISSIVE){const e=this.getFloat("emissiveIntensity"),i=this.getColor(r).mul(e);s=t.emissiveMap&&!0===t.emissiveMap.isTexture?i.mul(this.getTexture(r)):i}else if(r===yh.NORMAL)t.normalMap?(s=ch(this.getTexture("normal"),this.getCache("normalScale","vec2")),s.normalMapType=t.normalMapType,t.normalMap.format!=G&&t.normalMap.format!=z&&t.normalMap.format!=$||(s.unpackNormalMode=O)):s=t.bumpMap?mh(this.getTexture("bump").r,this.getFloat("bumpScale")):lc;else if(r===yh.CLEARCOAT){const e=this.getFloat(r);s=t.clearcoatMap&&!0===t.clearcoatMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===yh.CLEARCOAT_ROUGHNESS){const e=this.getFloat(r);s=t.clearcoatRoughnessMap&&!0===t.clearcoatRoughnessMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===yh.CLEARCOAT_NORMAL)s=t.clearcoatNormalMap?ch(this.getTexture(r),this.getCache(r+"Scale","vec2")):lc;else if(r===yh.SHEEN){const e=this.getColor("sheenColor").mul(this.getFloat("sheen"));s=t.sheenColorMap&&!0===t.sheenColorMap.isTexture?e.mul(this.getTexture("sheenColor").rgb):e}else if(r===yh.SHEEN_ROUGHNESS){const e=this.getFloat(r);s=t.sheenRoughnessMap&&!0===t.sheenRoughnessMap.isTexture?e.mul(this.getTexture(r).a):e,s=s.clamp(1e-4,1)}else if(r===yh.ANISOTROPY)if(t.anisotropyMap&&!0===t.anisotropyMap.isTexture){const e=this.getTexture(r);s=Mn(tp.x,tp.y,tp.y.negate(),tp.x).mul(e.rg.mul(2).sub(bn(1)).normalize().mul(e.b))}else s=tp;else if(r===yh.IRIDESCENCE_THICKNESS){const e=Fc("1","float",t.iridescenceThicknessRange);if(t.iridescenceThicknessMap){const i=Fc("0","float",t.iridescenceThicknessRange);s=e.sub(i).mul(this.getTexture(r).g).add(i)}else s=e}else if(r===yh.TRANSMISSION){const e=this.getFloat(r);s=t.transmissionMap?e.mul(this.getTexture(r).r):e}else if(r===yh.THICKNESS){const e=this.getFloat(r);s=t.thicknessMap?e.mul(this.getTexture(r).g):e}else if(r===yh.IOR)s=this.getFloat(r);else if(r===yh.LIGHT_MAP)s=this.getTexture(r).rgb.mul(this.getFloat("lightMapIntensity"));else if(r===yh.AO)s=this.getTexture(r).r.sub(1).mul(this.getFloat("aoMapIntensity")).add(1);else if(r===yh.LINE_DASH_OFFSET)s=t.dashOffset?this.getFloat(r):gn(0);else{const t=this.getNodeType(e);s=this.getCache(r,t)}return s}}yh.ALPHA_TEST="alphaTest",yh.COLOR="color",yh.OPACITY="opacity",yh.SHININESS="shininess",yh.SPECULAR="specular",yh.SPECULAR_STRENGTH="specularStrength",yh.SPECULAR_INTENSITY="specularIntensity",yh.SPECULAR_COLOR="specularColor",yh.REFLECTIVITY="reflectivity",yh.ROUGHNESS="roughness",yh.METALNESS="metalness",yh.NORMAL="normal",yh.CLEARCOAT="clearcoat",yh.CLEARCOAT_ROUGHNESS="clearcoatRoughness",yh.CLEARCOAT_NORMAL="clearcoatNormal",yh.EMISSIVE="emissive",yh.ROTATION="rotation",yh.SHEEN="sheen",yh.SHEEN_ROUGHNESS="sheenRoughness",yh.ANISOTROPY="anisotropy",yh.IRIDESCENCE="iridescence",yh.IRIDESCENCE_IOR="iridescenceIOR",yh.IRIDESCENCE_THICKNESS="iridescenceThickness",yh.IOR="ior",yh.TRANSMISSION="transmission",yh.THICKNESS="thickness",yh.ATTENUATION_DISTANCE="attenuationDistance",yh.ATTENUATION_COLOR="attenuationColor",yh.LINE_SCALE="scale",yh.LINE_DASH_SIZE="dashSize",yh.LINE_GAP_SIZE="gapSize",yh.LINE_WIDTH="linewidth",yh.LINE_DASH_OFFSET="dashOffset",yh.POINT_SIZE="size",yh.DISPERSION="dispersion",yh.LIGHT_MAP="light",yh.AO="ao";const bh=sn(yh,yh.ALPHA_TEST),xh=sn(yh,yh.COLOR),Th=sn(yh,yh.SHININESS),_h=sn(yh,yh.EMISSIVE),vh=sn(yh,yh.OPACITY),Nh=sn(yh,yh.SPECULAR),Sh=sn(yh,yh.SPECULAR_INTENSITY),Rh=sn(yh,yh.SPECULAR_COLOR),Eh=sn(yh,yh.SPECULAR_STRENGTH),Ah=sn(yh,yh.REFLECTIVITY),wh=sn(yh,yh.ROUGHNESS),Ch=sn(yh,yh.METALNESS),Mh=sn(yh,yh.NORMAL),Bh=sn(yh,yh.CLEARCOAT),Fh=sn(yh,yh.CLEARCOAT_ROUGHNESS),Lh=sn(yh,yh.CLEARCOAT_NORMAL),Ph=sn(yh,yh.ROTATION),Dh=sn(yh,yh.SHEEN),Uh=sn(yh,yh.SHEEN_ROUGHNESS),Ih=sn(yh,yh.ANISOTROPY),Oh=sn(yh,yh.IRIDESCENCE),Vh=sn(yh,yh.IRIDESCENCE_IOR),kh=sn(yh,yh.IRIDESCENCE_THICKNESS),Gh=sn(yh,yh.TRANSMISSION),zh=sn(yh,yh.THICKNESS),$h=sn(yh,yh.IOR),Wh=sn(yh,yh.ATTENUATION_DISTANCE),Hh=sn(yh,yh.ATTENUATION_COLOR),qh=sn(yh,yh.LINE_SCALE),jh=sn(yh,yh.LINE_DASH_SIZE),Xh=sn(yh,yh.LINE_GAP_SIZE),Kh=sn(yh,yh.LINE_WIDTH),Yh=sn(yh,yh.LINE_DASH_OFFSET),Qh=sn(yh,yh.POINT_SIZE),Zh=sn(yh,yh.DISPERSION),Jh=sn(yh,yh.LIGHT_MAP),ep=sn(yh,yh.AO),tp=_a(new t).onReference(function(e){return e.material}).onRenderUpdate(function({material:e}){this.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation))}),rp=un(e=>e.context.setupModelViewProjection(),"vec4").once()().toVarying("v_modelViewProjection");class sp extends li{static get type(){return"StorageArrayElementNode"}constructor(e,t){super(e,t),this.isStorageArrayElementNode=!0}set storageBufferNode(e){this.node=e}get storageBufferNode(){return this.node}getMemberType(e,t){const r=this.storageBufferNode.structTypeNode;return r?r.getMemberType(e,t):"void"}setup(e){return!1===e.isAvailable("storageBuffer")&&!0===this.node.isPBO&&e.setupPBO(this.node),super.setup(e)}generate(e,t){let r;const s=e.context.assign;if(r=!1===e.isAvailable("storageBuffer")?!0!==this.node.isPBO||!0===s||!this.node.value.isInstancedBufferAttribute&&"compute"===e.shaderStage?this.node.build(e):e.generatePBO(this):super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}const ip=rn(sp).setParameterLength(2);class np extends Ul{static get type(){return"StorageBufferNode"}constructor(e,t=null,r=0){let s,i=null;t&&t.isStruct?(s="struct",i=t.layout,(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(r=e.count)):null===t&&(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)?(s=Gs(e.itemSize),r=e.count):s=t,super(e,s,r),this.isStorageBufferNode=!0,this.structTypeNode=i,this.access=ti.READ_WRITE,this.isAtomic=!1,this.isPBO=!1,this._attribute=null,this._varying=null,this.global=!0,!0!==e.isStorageBufferAttribute&&!0!==e.isStorageInstancedBufferAttribute&&(e.isInstancedBufferAttribute?e.isStorageInstancedBufferAttribute=!0:e.isStorageBufferAttribute=!0)}getHash(e){if(0===this.bufferCount){let t=e.globalCache.getData(this.value);return void 0===t&&(t={node:this},e.globalCache.setData(this.value,t)),t.node.uuid}return this.uuid}getInputType(){return this.value.isIndirectStorageBufferAttribute?"indirectStorageBuffer":"storageBuffer"}element(e){return ip(this,e)}setPBO(e){return this.isPBO=e,this}getPBO(){return this.isPBO}setAccess(e){return this.access=e,this}toReadOnly(){return this.setAccess(ti.READ_ONLY)}setAtomic(e){return this.isAtomic=e,this}toAtomic(){return this.setAtomic(!0)}getAttributeData(){return null===this._attribute&&(this._attribute=Ju(this.value),this._varying=Pu(this._attribute)),{attribute:this._attribute,varying:this._varying}}getNodeType(e){if(null!==this.structTypeNode)return this.structTypeNode.getNodeType(e);if(e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.getNodeType(e);const{attribute:t}=this.getAttributeData();return t.getNodeType(e)}getMemberType(e,t){return null!==this.structTypeNode?this.structTypeNode.getMemberType(e,t):"void"}generate(e){if(null!==this.structTypeNode&&this.structTypeNode.build(e),e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.generate(e);const{attribute:t,varying:r}=this.getAttributeData(),s=r.build(e);return e.registerTransform(s,t),s}}const ap=(e,t=null,r=0)=>new np(e,t,r);class op extends ui{static get type(){return"IndexNode"}constructor(e){super("uint"),this.scope=e,this.isIndexNode=!0}generate(e){const t=this.getNodeType(e),r=this.scope;let s,i;if(r===op.VERTEX)s=e.getVertexIndex();else if(r===op.INSTANCE)s=e.getInstanceIndex();else if(r===op.DRAW)s=e.getDrawIndex();else if(r===op.INVOCATION_LOCAL)s=e.getInvocationLocalIndex();else if(r===op.INVOCATION_SUBGROUP)s=e.getInvocationSubgroupIndex();else{if(r!==op.SUBGROUP)throw new Error("THREE.IndexNode: Unknown scope: "+r);s=e.getSubgroupIndex()}if("vertex"===e.shaderStage||"compute"===e.shaderStage)i=s;else{i=Pu(this).build(e,t)}return i}}op.VERTEX="vertex",op.INSTANCE="instance",op.SUBGROUP="subgroup",op.INVOCATION_LOCAL="invocationLocal",op.INVOCATION_SUBGROUP="invocationSubgroup",op.DRAW="draw";const up=sn(op,op.VERTEX),lp=sn(op,op.INSTANCE),dp=sn(op,op.SUBGROUP),cp=sn(op,op.INVOCATION_SUBGROUP),hp=sn(op,op.INVOCATION_LOCAL),pp=sn(op,op.DRAW);class gp extends ui{static get type(){return"InstanceNode"}constructor(e,t,r=null){super("void"),this.count=e,this.instanceMatrix=t,this.instanceColor=r,this.instanceMatrixNode=null,this.instanceColorNode=null,this.updateType=Js.FRAME,this.buffer=null,this.bufferColor=null,this.previousInstanceMatrixNode=null}get isStorageMatrix(){const{instanceMatrix:e}=this;return e&&!0===e.isStorageInstancedBufferAttribute}get isStorageColor(){const{instanceColor:e}=this;return e&&!0===e.isStorageInstancedBufferAttribute}setup(e){let{instanceMatrixNode:t,instanceColorNode:r}=this;null===t&&(t=this._createInstanceMatrixNode(!0,e),this.instanceMatrixNode=t);const{instanceColor:s,isStorageColor:i}=this;if(s&&null===r){if(i)r=ap(s,"vec3",Math.max(s.count,1)).element(lp);else{const e=new W(s.array,3),t=s.usage===x?tl:el;this.bufferColor=e,r=vn(t(e,"vec3",3,0))}this.instanceColorNode=r}const n=t.mul(Xd).xyz;if(Xd.assign(n),e.needsPreviousData()&&Kd.assign(this.getPreviousInstancedPosition(e)),e.hasGeometryAttribute("normal")){const e=hc(nc,t);nc.assign(e)}null!==this.instanceColorNode&&In("vec3","vInstanceColor").assign(this.instanceColorNode)}update(e){null!==this.buffer&&!0!==this.isStorageMatrix&&(this.buffer.clearUpdateRanges(),this.buffer.updateRanges.push(...this.instanceMatrix.updateRanges),this.instanceMatrix.version!==this.buffer.version&&(this.buffer.version=this.instanceMatrix.version)),this.instanceColor&&null!==this.bufferColor&&!0!==this.isStorageColor&&(this.bufferColor.clearUpdateRanges(),this.bufferColor.updateRanges.push(...this.instanceColor.updateRanges),this.instanceColor.version!==this.bufferColor.version&&(this.bufferColor.version=this.instanceColor.version)),null!==this.previousInstanceMatrixNode&&e.object.previousInstanceMatrix.array.set(this.instanceMatrix.array)}getPreviousInstancedPosition(e){const t=e.object;return null===this.previousInstanceMatrixNode&&(t.previousInstanceMatrix=this.instanceMatrix.clone(),this.previousInstanceMatrixNode=this._createInstanceMatrixNode(!1,e)),this.previousInstanceMatrixNode.mul(Kd).xyz}_createInstanceMatrixNode(e,t){let r;const{instanceMatrix:s}=this,{count:i}=s;if(this.isStorageMatrix)r=ap(s,"mat4",Math.max(i,1)).element(lp);else{if(16*i*4<=t.getUniformBufferLimit())r=Il(s.array,"mat4",Math.max(i,1)).element(lp);else{const t=new H(s.array,16,1);!0===e&&(this.buffer=t);const i=s.usage===x?tl:el,n=[i(t,"vec4",16,0),i(t,"vec4",16,4),i(t,"vec4",16,8),i(t,"vec4",16,12)];r=Fn(...n)}}return r}}const mp=rn(gp).setParameterLength(2,3);class fp extends gp{static get type(){return"InstancedMeshNode"}constructor(e){const{count:t,instanceMatrix:r,instanceColor:s}=e;super(t,r,s),this.instancedMesh=e}}const yp=rn(fp).setParameterLength(1);class bp extends ui{static get type(){return"BatchNode"}constructor(e){super("void"),this.batchMesh=e,this.batchingIdNode=null}setup(e){null===this.batchingIdNode&&(null===e.getDrawIndex()?this.batchingIdNode=lp:this.batchingIdNode=pp);const t=un(([e])=>{const t=mn(Al(Dl(this.batchMesh._indirectTexture),0).x).toConst(),r=mn(e).mod(t).toConst(),s=mn(e).div(t).toConst();return Dl(this.batchMesh._indirectTexture,xn(r,s)).x}).setLayout({name:"getIndirectIndex",type:"uint",inputs:[{name:"id",type:"int"}]}),r=t(mn(this.batchingIdNode)),s=this.batchMesh._matricesTexture,i=mn(Al(Dl(s),0).x).toConst(),n=gn(r).mul(4).toInt().toConst(),a=n.mod(i).toConst(),o=n.div(i).toConst(),u=Fn(Dl(s,xn(a,o)),Dl(s,xn(a.add(1),o)),Dl(s,xn(a.add(2),o)),Dl(s,xn(a.add(3),o))),l=this.batchMesh._colorsTexture;if(null!==l){const e=un(([e])=>{const t=mn(Al(Dl(l),0).x).toConst(),r=e,s=r.mod(t).toConst(),i=r.div(t).toConst();return Dl(l,xn(s,i)).rgb}).setLayout({name:"getBatchingColor",type:"vec3",inputs:[{name:"id",type:"int"}]}),t=e(r);In("vec3","vBatchColor").assign(t)}const d=Bn(u);Xd.assign(u.mul(Xd));const c=nc.div(vn(d[0].dot(d[0]),d[1].dot(d[1]),d[2].dot(d[2]))),h=d.mul(c).xyz;nc.assign(h),e.hasGeometryAttribute("tangent")&&Qc.mulAssign(d)}}const xp=rn(bp).setParameterLength(1),Tp=new WeakMap;class _p extends ui{static get type(){return"SkinningNode"}constructor(e){super("void"),this.skinnedMesh=e,this.updateType=Js.OBJECT,this.skinIndexNode=Sl("skinIndex","uvec4"),this.skinWeightNode=Sl("skinWeight","vec4"),this.bindMatrixNode=Fc("bindMatrix","mat4"),this.bindMatrixInverseNode=Fc("bindMatrixInverse","mat4"),this.boneMatricesNode=Lc("skeleton.boneMatrices","mat4",e.skeleton.bones.length),this.positionNode=Xd,this.toPositionNode=Xd,this.previousBoneMatricesNode=null}getSkinnedPosition(e=this.boneMatricesNode,t=this.positionNode){const{skinIndexNode:r,skinWeightNode:s,bindMatrixNode:i,bindMatrixInverseNode:n}=this,a=e.element(r.x),o=e.element(r.y),u=e.element(r.z),l=e.element(r.w),d=i.mul(t),c=Ma(a.mul(s.x).mul(d),o.mul(s.y).mul(d),u.mul(s.z).mul(d),l.mul(s.w).mul(d));return n.mul(c).xyz}getSkinnedNormalAndTangent(e=this.boneMatricesNode,t=nc,r=Qc){const{skinIndexNode:s,skinWeightNode:i,bindMatrixNode:n,bindMatrixInverseNode:a}=this,o=e.element(s.x),u=e.element(s.y),l=e.element(s.z),d=e.element(s.w);let c=Ma(i.x.mul(o),i.y.mul(u),i.z.mul(l),i.w.mul(d));c=a.mul(c).mul(n);return{skinNormal:c.transformDirection(t).xyz,skinTangent:c.transformDirection(r).xyz}}getPreviousSkinnedPosition(e){const t=e.object;return null===this.previousBoneMatricesNode&&(t.skeleton.previousBoneMatrices=new Float32Array(t.skeleton.boneMatrices),this.previousBoneMatricesNode=Lc("skeleton.previousBoneMatrices","mat4",t.skeleton.bones.length)),this.getSkinnedPosition(this.previousBoneMatricesNode,Kd)}setup(e){e.needsPreviousData()&&Kd.assign(this.getPreviousSkinnedPosition(e));const t=this.getSkinnedPosition();if(this.toPositionNode&&this.toPositionNode.assign(t),e.hasGeometryAttribute("normal")){const{skinNormal:t,skinTangent:r}=this.getSkinnedNormalAndTangent();nc.assign(t),e.hasGeometryAttribute("tangent")&&Qc.assign(r)}return t}generate(e,t){if("void"!==t)return super.generate(e,t)}update(e){const t=e.object&&e.object.skeleton?e.object.skeleton:this.skinnedMesh.skeleton;Tp.get(t)!==e.frameId&&(Tp.set(t,e.frameId),null!==this.previousBoneMatricesNode&&(null===t.previousBoneMatrices&&(t.previousBoneMatrices=new Float32Array(t.boneMatrices)),t.previousBoneMatrices.set(t.boneMatrices)),t.update())}}const vp=e=>new _p(e);class Np extends ui{static get type(){return"LoopNode"}constructor(e=[]){super("void"),this.params=e}getVarName(e){return String.fromCharCode("i".charCodeAt(0)+e)}getProperties(e){const t=e.getNodeProperties(this);if(void 0!==t.stackNode)return t;const r={};for(let e=0,t=this.params.length-1;e<t;e++){const t=this.params[e],s=!0!==t.isNode&&t.name||this.getVarName(e),i=!0!==t.isNode&&t.type||"int";r[s]=gl(s,i)}const s=e.addStack(),i=this.params[this.params.length-1](r);t.returnsNode=i.context({nodeLoop:i}),t.stackNode=s;const n=this.params[0];if(!0!==n.isNode&&"function"==typeof n.update){const e=un(this.params[0].update)(r);t.updateNode=e.context({nodeLoop:e})}return e.removeStack(),t}setup(e){if(this.getProperties(e),e.fnCall){e.getDataFromNode(e.fnCall.shaderNode).hasLoop=!0}}generate(e){const t=this.getProperties(e),r=this.params,s=t.stackNode;for(let s=0,i=r.length-1;s<i;s++){const i=r[s];let n,a=!1,u=null,l=null,d=null,c=null,h=null,p=null;if(i.isNode?"bool"===i.getNodeType(e)?(a=!0,c="bool",l=i.build(e,c)):(c="int",d=this.getVarName(s),u="0",l=i.build(e,c),h="<"):(c=i.type||"int",d=i.name||this.getVarName(s),u=i.start,l=i.end,h=i.condition,p=i.update,"number"==typeof u?u=e.generateConst(c,u):u&&u.isNode&&(u=u.build(e,c)),"number"==typeof l?l=e.generateConst(c,l):l&&l.isNode&&(l=l.build(e,c)),void 0!==u&&void 0===l?(u+=" - 1",l="0",h=">="):void 0!==l&&void 0===u&&(u="0",h="<"),void 0===h&&(h=Number(u)>Number(l)?">=":"<")),a)n=`while ( ${l} )`;else{const r={start:u,end:l},s=r.start,i=r.end;let a;const g=()=>h.includes("<")?"+=":"-=";if(null!=p)switch(typeof p){case"function":a=e.flowStagesNode(t.updateNode,"void").code.replace(/\t|;/g,"");break;case"number":a=d+" "+g()+" "+e.generateConst(c,p);break;case"string":a=d+" "+p;break;default:p.isNode?a=d+" "+g()+" "+p.build(e):(o("TSL: 'Loop( { update: ... } )' is not a function, string or number.",this.stackTrace),a="break /* invalid update */")}else p="int"===c||"uint"===c?h.includes("<")?"++":"--":g()+" 1.",a=d+" "+p;n=`for ( ${e.getVar(c,d)+" = "+s}; ${d+" "+h+" "+i}; ${a} )`}e.addFlowCode((0===s?"\n":"")+e.tab+n+" {\n\n").addFlowTab()}const i=s.build(e,"void");t.returnsNode.build(e,"void"),e.removeFlowTab().addFlowCode("\n"+e.tab+i);for(let t=0,r=this.params.length-1;t<r;t++)e.addFlowCode((0===t?"":e.tab)+"}\n\n").removeFlowTab();e.addFlowTab()}}const Sp=(...e)=>new Np(tn(e,"int")).toStack(),Rp=()=>gl("break").toStack(),Ep=new WeakMap,Ap=new s,wp=un(({bufferMap:e,influence:t,stride:r,width:s,depth:i,offset:n})=>{const a=mn(up).mul(r).add(n),o=a.div(s),u=a.sub(o.mul(s));return Dl(e,xn(u,o)).depth(i).xyz.mul(t)});class Cp extends ui{static get type(){return"MorphNode"}constructor(e){super("void"),this.mesh=e,this.morphBaseInfluence=_a(1),this.updateType=Js.OBJECT}setup(e){const{geometry:r}=e,s=void 0!==r.morphAttributes.position,i=r.hasAttribute("normal")&&void 0!==r.morphAttributes.normal,n=r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color,a=void 0!==n?n.length:0,{texture:o,stride:u,size:l}=function(e){const r=void 0!==e.morphAttributes.position,s=void 0!==e.morphAttributes.normal,i=void 0!==e.morphAttributes.color,n=e.morphAttributes.position||e.morphAttributes.normal||e.morphAttributes.color,a=void 0!==n?n.length:0;let o=Ep.get(e);if(void 0===o||o.count!==a){void 0!==o&&o.texture.dispose();const u=e.morphAttributes.position||[],l=e.morphAttributes.normal||[],d=e.morphAttributes.color||[];let c=0;!0===r&&(c=1),!0===s&&(c=2),!0===i&&(c=3);let h=e.attributes.position.count*c,p=1;const g=4096;h>g&&(p=Math.ceil(h/g),h=g);const m=new Float32Array(h*p*4*a),f=new q(m,h,p,a);f.type=j,f.needsUpdate=!0;const y=4*c;for(let x=0;x<a;x++){const T=u[x],_=l[x],v=d[x],N=h*p*4*x;for(let S=0;S<T.count;S++){const R=S*y;!0===r&&(Ap.fromBufferAttribute(T,S),m[N+R+0]=Ap.x,m[N+R+1]=Ap.y,m[N+R+2]=Ap.z,m[N+R+3]=0),!0===s&&(Ap.fromBufferAttribute(_,S),m[N+R+4]=Ap.x,m[N+R+5]=Ap.y,m[N+R+6]=Ap.z,m[N+R+7]=0),!0===i&&(Ap.fromBufferAttribute(v,S),m[N+R+8]=Ap.x,m[N+R+9]=Ap.y,m[N+R+10]=Ap.z,m[N+R+11]=4===v.itemSize?Ap.w:1)}}function b(){f.dispose(),Ep.delete(e),e.removeEventListener("dispose",b)}o={count:a,texture:f,stride:c,size:new t(h,p)},Ep.set(e,o),e.addEventListener("dispose",b)}return o}(r);!0===s&&Xd.mulAssign(this.morphBaseInfluence),!0===i&&nc.mulAssign(this.morphBaseInfluence);const d=mn(l.width);Sp(a,({i:e})=>{const t=gn(0).toVar();this.mesh.count>1&&null!==this.mesh.morphTexture&&void 0!==this.mesh.morphTexture?t.assign(Dl(this.mesh.morphTexture,xn(mn(e).add(1),mn(lp))).r):t.assign(Fc("morphTargetInfluences","float").element(e).toVar()),cn(t.notEqual(0),()=>{!0===s&&Xd.addAssign(wp({bufferMap:o,influence:t,stride:u,width:d,depth:e,offset:mn(0)})),!0===i&&nc.addAssign(wp({bufferMap:o,influence:t,stride:u,width:d,depth:e,offset:mn(1)}))})})}update(){const e=this.morphBaseInfluence;this.mesh.geometry.morphTargetsRelative?e.value=1:e.value=1-this.mesh.morphTargetInfluences.reduce((e,t)=>e+t,0)}}const Mp=rn(Cp).setParameterLength(1);class Bp extends ui{static get type(){return"LightingNode"}constructor(){super("vec3"),this.isLightingNode=!0}}class Fp extends Bp{static get type(){return"AONode"}constructor(e=null){super(),this.aoNode=e}setup(e){e.context.ambientOcclusion.mulAssign(this.aoNode)}}class Lp extends xu{static get type(){return"LightingContextNode"}constructor(e,t=null,r=null,s=null){super(e),this.lightingModel=t,this.backdropNode=r,this.backdropAlphaNode=s,this._value=null}getContext(){const{backdropNode:e,backdropAlphaNode:t}=this,r={directDiffuse:vn().toVar("directDiffuse"),directSpecular:vn().toVar("directSpecular"),indirectDiffuse:vn().toVar("indirectDiffuse"),indirectSpecular:vn().toVar("indirectSpecular")};return{radiance:vn().toVar("radiance"),irradiance:vn().toVar("irradiance"),iblIrradiance:vn().toVar("iblIrradiance"),ambientOcclusion:gn(1).toVar("ambientOcclusion"),reflectedLight:r,backdrop:e,backdropAlpha:t}}setup(e){return this.value=this._value||(this._value=this.getContext()),this.value.lightingModel=this.lightingModel||e.context.lightingModel,super.setup(e)}}const Pp=rn(Lp);class Dp extends Bp{static get type(){return"IrradianceNode"}constructor(e){super(),this.node=e}setup(e){e.context.irradiance.addAssign(this.node)}}const Up=new t;class Ip extends Fl{static get type(){return"ViewportTextureNode"}constructor(e=jl,t=null,r=null){let s=null;null===r?(s=new X,s.minFilter=K,r=s):s=r,super(r,e,t),this.generateMipmaps=!1,this.defaultFramebuffer=s,this.isOutputTextureNode=!0,this.updateBeforeType=Js.RENDER,this._cacheTextures=new WeakMap}getTextureForReference(e=null){let t,r;if(this.referenceNode?(t=this.referenceNode.defaultFramebuffer,r=this.referenceNode._cacheTextures):(t=this.defaultFramebuffer,r=this._cacheTextures),null===e)return t;if(!1===r.has(e)){const s=t.clone();r.set(e,s)}return r.get(e)}updateReference(e){const t=e.renderer.getRenderTarget();return this.value=this.getTextureForReference(t),this.value}updateBefore(e){const t=e.renderer,r=t.getRenderTarget();null===r?t.getDrawingBufferSize(Up):Up.set(r.width,r.height);const s=this.getTextureForReference(r);s.image.width===Up.width&&s.image.height===Up.height||(s.image.width=Up.width,s.image.height=Up.height,s.needsUpdate=!0);const i=s.generateMipmaps;s.generateMipmaps=this.generateMipmaps,t.copyFramebufferToTexture(s),s.generateMipmaps=i}clone(){const e=new this.constructor(this.uvNode,this.levelNode,this.value);return e.generateMipmaps=this.generateMipmaps,e}}const Op=rn(Ip).setParameterLength(0,3),Vp=rn(Ip,null,null,{generateMipmaps:!0}).setParameterLength(0,3),kp=Vp(),Gp=(e=jl,t=null)=>kp.sample(e,t);let zp=null;class $p extends Ip{static get type(){return"ViewportDepthTextureNode"}constructor(e=jl,t=null){null===zp&&(zp=new Y),super(e,t,zp)}getTextureForReference(){return zp}}const Wp=rn($p).setParameterLength(0,2);class Hp extends ui{static get type(){return"ViewportDepthNode"}constructor(e,t=null){super("float"),this.scope=e,this.valueNode=t,this.isViewportDepthNode=!0}generate(e){const{scope:t}=this;return t===Hp.DEPTH_BASE?e.getFragDepth():super.generate(e)}setup({camera:e}){const{scope:t}=this,r=this.valueNode;let s=null;if(t===Hp.DEPTH_BASE)null!==r&&(s=Yp().assign(r));else if(t===Hp.DEPTH)s=e.isPerspectiveCamera?jp(Zd.z,fd,yd):qp(Zd.z,fd,yd);else if(t===Hp.LINEAR_DEPTH)if(null!==r)if(e.isPerspectiveCamera){const e=Xp(r,fd,yd);s=qp(e,fd,yd)}else s=r;else s=qp(Zd.z,fd,yd);return s}}Hp.DEPTH_BASE="depthBase",Hp.DEPTH="depth",Hp.LINEAR_DEPTH="linearDepth";const qp=(e,t,r)=>e.add(t).div(t.sub(r)),jp=(e,t,r)=>t.add(e).mul(r).div(r.sub(t).mul(e)),Xp=(e,t,r)=>t.mul(r).div(r.sub(t).mul(e).sub(r)),Kp=(e,t,r)=>{t=t.max(1e-6).toVar();const s=yo(e.negate().div(t)),i=yo(r.div(t));return s.div(i)},Yp=rn(Hp,Hp.DEPTH_BASE),Qp=sn(Hp,Hp.DEPTH),Zp=rn(Hp,Hp.LINEAR_DEPTH).setParameterLength(0,1),Jp=Zp(Wp());Qp.assign=e=>Yp(e);class eg extends ui{static get type(){return"ClippingNode"}constructor(e=eg.DEFAULT){super(),this.scope=e}setup(e){super.setup(e);const t=e.clippingContext,{intersectionPlanes:r,unionPlanes:s}=t;return this.hardwareClipping=e.material.hardwareClipping,this.scope===eg.ALPHA_TO_COVERAGE?this.setupAlphaToCoverage(r,s):this.scope===eg.HARDWARE?this.setupHardwareClipping(s,e):this.setupDefault(r,s)}setupAlphaToCoverage(e,t){return un(()=>{const r=gn().toVar("distanceToPlane"),s=gn().toVar("distanceToGradient"),i=gn(1).toVar("clipOpacity"),n=t.length;if(!1===this.hardwareClipping&&n>0){const e=kl(t).setGroup(ba);Sp(n,({i:t})=>{const n=e.element(t);r.assign(Zd.dot(n.xyz).negate().add(n.w)),s.assign(r.fwidth().div(2)),i.mulAssign(lu(s.negate(),s,r))})}const a=e.length;if(a>0){const t=kl(e).setGroup(ba),n=gn(1).toVar("intersectionClipOpacity");Sp(a,({i:e})=>{const i=t.element(e);r.assign(Zd.dot(i.xyz).negate().add(i.w)),s.assign(r.fwidth().div(2)),n.mulAssign(lu(s.negate(),s,r).oneMinus())}),i.mulAssign(n.oneMinus())}On.a.mulAssign(i),On.a.equal(0).discard()})()}setupDefault(e,t){return un(()=>{const r=t.length;if(!1===this.hardwareClipping&&r>0){const e=kl(t).setGroup(ba);Sp(r,({i:t})=>{const r=e.element(t);Zd.dot(r.xyz).greaterThan(r.w).discard()})}const s=e.length;if(s>0){const t=kl(e).setGroup(ba),r=yn(!0).toVar("clipped");Sp(s,({i:e})=>{const s=t.element(e);r.assign(Zd.dot(s.xyz).greaterThan(s.w).and(r))}),r.discard()}})()}setupHardwareClipping(e,t){const r=e.length;return t.enableHardwareClipping(r),un(()=>{const s=kl(e).setGroup(ba),i=zl(t.getClipDistance());Sp(r,({i:e})=>{const t=s.element(e),r=Zd.dot(t.xyz).sub(t.w).negate();i.element(e).assign(r)})})()}}eg.ALPHA_TO_COVERAGE="alphaToCoverage",eg.DEFAULT="default",eg.HARDWARE="hardware";const tg=un(([e])=>No(Fa(1e4,So(Fa(17,e.x).add(Fa(.1,e.y)))).mul(Ma(.1,Mo(So(Fa(13,e.y).add(e.x))))))),rg=un(([e])=>tg(bn(tg(e.xy),e.z))),sg=un(([e])=>{const t=Ho(Fo(Do(e.xyz)),Fo(Uo(e.xyz))),r=gn(1).div(gn(.05).mul(t)).toVar("pixScale"),s=bn(mo(To(yo(r))),mo(_o(yo(r)))),i=bn(rg(To(s.x.mul(e.xyz))),rg(To(s.y.mul(e.xyz)))),n=No(yo(r)),a=Ma(Fa(n.oneMinus(),i.x),Fa(n,i.y)),o=Wo(n,n.oneMinus()),u=vn(a.mul(a).div(Fa(2,o).mul(Ba(1,o))),a.sub(Fa(.5,o)).div(Ba(1,o)),Ba(1,Ba(1,a).mul(Ba(1,a)).div(Fa(2,o).mul(Ba(1,o))))),l=a.lessThan(o.oneMinus()).select(a.lessThan(o).select(u.x,u.y),u.z);return au(l,1e-6,1)}).setLayout({name:"getAlphaHashThreshold",type:"float",inputs:[{name:"position",type:"vec3"}]});class ig extends Nl{static get type(){return"VertexColorNode"}constructor(e){super(null,"vec4"),this.isVertexColorNode=!0,this.index=e}getAttributeName(){const e=this.index;return"color"+(e>0?e:"")}generate(e){const t=this.getAttributeName(e);let r;return r=!0===e.hasGeometryAttribute(t)?super.generate(e):e.generateConst(this.nodeType,new s(1,1,1,1)),r}serialize(e){super.serialize(e),e.index=this.index}deserialize(e){super.deserialize(e),this.index=e.index}}const ng=(e=0)=>new ig(e),ag=un(([e,t])=>Wo(1,e.oneMinus().div(t)).oneMinus()).setLayout({name:"blendBurn",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),og=un(([e,t])=>Wo(e.div(t.oneMinus()),1)).setLayout({name:"blendDodge",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),ug=un(([e,t])=>e.oneMinus().mul(t.oneMinus()).oneMinus()).setLayout({name:"blendScreen",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),lg=un(([e,t])=>nu(e.mul(2).mul(t),e.oneMinus().mul(2).mul(t.oneMinus()).oneMinus(),qo(.5,e))).setLayout({name:"blendOverlay",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),dg=un(([e,t])=>{const r=t.a.add(e.a.mul(t.a.oneMinus()));return En(t.rgb.mul(t.a).add(e.rgb.mul(e.a).mul(t.a.oneMinus())).div(r),r)}).setLayout({name:"blendColor",type:"vec4",inputs:[{name:"base",type:"vec4"},{name:"blend",type:"vec4"}]}),cg=un(([e])=>En(e.rgb.mul(e.a),e.a),{color:"vec4",return:"vec4"}),hg=un(([e])=>(cn(e.a.equal(0),()=>En(0)),En(e.rgb.div(e.a),e.a)),{color:"vec4",return:"vec4"});class pg extends Q{static get type(){return"NodeMaterial"}get type(){return this.constructor.type}set type(e){}constructor(){super(),this.isNodeMaterial=!0,this.fog=!0,this.lights=!1,this.hardwareClipping=!1,this.lightsNode=null,this.envNode=null,this.aoNode=null,this.colorNode=null,this.normalNode=null,this.opacityNode=null,this.backdropNode=null,this.backdropAlphaNode=null,this.alphaTestNode=null,this.maskNode=null,this.maskShadowNode=null,this.positionNode=null,this.geometryNode=null,this.depthNode=null,this.receivedShadowPositionNode=null,this.castShadowPositionNode=null,this.receivedShadowNode=null,this.castShadowNode=null,this.outputNode=null,this.mrtNode=null,this.fragmentNode=null,this.vertexNode=null,this.contextNode=null}_getNodeChildren(){const e=[];for(const t of Object.getOwnPropertyNames(this)){if(!0===t.startsWith("_"))continue;const r=this[t];r&&!0===r.isNode&&e.push({property:t,childNode:r})}return e}customProgramCacheKey(){const e=[];for(const{property:t,childNode:r}of this._getNodeChildren())e.push(Us(t.slice(0,-4)),r.getCacheKey());return this.type+Is(e)}build(e){this.setup(e)}setupObserver(e){return new Fs(e)}setup(e){e.context.setupNormal=()=>Fu(this.setupNormal(e),"NORMAL","vec3"),e.context.setupPositionView=()=>this.setupPositionView(e),e.context.setupModelViewProjection=()=>this.setupModelViewProjection(e);const t=e.renderer,r=t.getRenderTarget();!0===t.contextNode.isContextNode?e.context={...e.context,...t.contextNode.getFlowContextData()}:o('NodeMaterial: "renderer.contextNode" must be an instance of `context()`.'),null!==this.contextNode&&(!0===this.contextNode.isContextNode?e.context={...e.context,...this.contextNode.getFlowContextData()}:o('NodeMaterial: "material.contextNode" must be an instance of `context()`.')),e.addStack();const s=this.setupVertex(e),i=Fu(this.vertexNode||s,"VERTEX");let n;e.context.clipSpace=i,e.stack.outputNode=i,this.setupHardwareClipping(e),null!==this.geometryNode&&(e.stack.outputNode=e.stack.outputNode.bypass(this.geometryNode)),e.addFlow("vertex",e.removeStack()),e.addStack();const a=this.setupClipping(e);if(!0!==this.depthWrite&&!0!==this.depthTest||(null!==r?!0===r.depthBuffer&&this.setupDepth(e):!0===t.depth&&this.setupDepth(e)),null===this.fragmentNode){this.setupDiffuseColor(e),this.setupVariants(e);const s=this.setupLighting(e);null!==a&&e.stack.addToStack(a);const i=En(s,On.a).max(0);n=this.setupOutput(e,i),ia.assign(n);const o=null!==this.outputNode;if(o&&(n=this.outputNode),e.context.getOutput&&(n=e.context.getOutput(n,e)),null!==r){const e=t.getMRT(),r=this.mrtNode;null!==e?(o&&ia.assign(n),n=e,null!==r&&(n=e.merge(r))):null!==r&&(n=r)}}else{let t=this.fragmentNode;!0!==t.isOutputStructNode&&(t=En(t)),n=this.setupOutput(e,t)}e.stack.outputNode=n,e.addFlow("fragment",e.removeStack()),e.observer=this.setupObserver(e)}setupClipping(e){if(null===e.clippingContext)return null;const{unionPlanes:t,intersectionPlanes:r}=e.clippingContext;let s=null;if(t.length>0||r.length>0){const t=e.renderer.currentSamples;this.alphaToCoverage&&t>1?s=new eg(eg.ALPHA_TO_COVERAGE):e.stack.addToStack(new eg)}return s}setupHardwareClipping(e){if(this.hardwareClipping=!1,null===e.clippingContext)return;const t=e.clippingContext.unionPlanes.length;t>0&&t<=8&&e.isAvailable("clipDistance")&&(e.stack.addToStack(new eg(eg.HARDWARE)),this.hardwareClipping=!0)}setupDepth(e){const{renderer:t,camera:r}=e;let s=this.depthNode;if(null===s){const e=t.getMRT();e&&e.has("depth")?s=e.get("depth"):!0===t.logarithmicDepthBuffer&&(s=r.isPerspectiveCamera?Kp(Zd.z,fd,yd):qp(Zd.z,fd,yd))}null!==s&&Qp.assign(s).toStack()}setupPositionView(){return zd.mul(Xd).xyz}setupModelViewProjection(){return bd.mul(Zd)}setupVertex(e){return e.addStack(),this.setupPosition(e),e.context.position=e.removeStack(),rp}setupPosition(e){const{object:t,geometry:r}=e;if((r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color)&&Mp(t).toStack(),!0===t.isSkinnedMesh&&vp(t).toStack(),this.displacementMap){const e=Dc("displacementMap","texture"),t=Dc("displacementScale","float"),r=Dc("displacementBias","float");Xd.addAssign(nc.normalize().mul(e.x.mul(t).add(r)))}return t.isBatchedMesh&&xp(t).toStack(),t.isInstancedMesh&&t.instanceMatrix&&!0===t.instanceMatrix.isInstancedBufferAttribute&&yp(t).toStack(),null!==this.positionNode&&Xd.assign(Fu(this.positionNode,"POSITION","vec3")),Xd}setupDiffuseColor(e){const{object:t,geometry:r}=e;null!==this.maskNode&&yn(this.maskNode).not().discard();let s=this.colorNode?En(this.colorNode):xh;if(!0===this.vertexColors&&r.hasAttribute("color")&&(s=s.mul(ng())),t.instanceColor){s=In("vec3","vInstanceColor").mul(s)}if(t.isBatchedMesh&&t._colorsTexture){s=In("vec3","vBatchColor").mul(s)}On.assign(s);const i=this.opacityNode?gn(this.opacityNode):vh;On.a.assign(On.a.mul(i));let n=null;(null!==this.alphaTestNode||this.alphaTest>0)&&(n=null!==this.alphaTestNode?gn(this.alphaTestNode):bh,!0===this.alphaToCoverage?(On.a=lu(n,n.add(ko(On.a)),On.a),On.a.lessThanEqual(0).discard()):On.a.lessThanEqual(n).discard()),!0===this.alphaHash&&On.a.lessThan(sg(Xd)).discard(),e.isOpaque()&&On.a.assign(1)}setupVariants(){}setupOutgoingLight(){return!0===this.lights?vn(0):On.rgb}setupNormal(){return this.normalNode?vn(this.normalNode):Mh}setupEnvironment(){let e=null;return this.envNode?e=this.envNode:this.envMap&&(e=this.envMap.isCubeTexture?Dc("envMap","cubeTexture"):Dc("envMap","texture")),e}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new Dp(Jh)),t}setupLights(e){const t=[],r=this.setupEnvironment(e);r&&r.isLightingNode&&t.push(r);const s=this.setupLightMap(e);s&&s.isLightingNode&&t.push(s);let i=this.aoNode;null===i&&e.material.aoMap&&(i=ep),e.context.getAO&&(i=e.context.getAO(i,e)),i&&t.push(new Fp(i));let n=this.lightsNode||e.lightsNode;return t.length>0&&(n=e.renderer.lighting.createNode([...n.getLights(),...t])),n}setupLightingModel(){}setupLighting(e){const{material:t}=e,{backdropNode:r,backdropAlphaNode:s,emissiveNode:i}=this,n=!0===this.lights||null!==this.lightsNode?this.setupLights(e):null;let a=this.setupOutgoingLight(e);if(n&&n.getScope().hasLights){const t=this.setupLightingModel(e)||null;a=Pp(n,t,r,s)}else null!==r&&(a=vn(null!==s?nu(a,r,s):r));return(i&&!0===i.isNode||t.emissive&&!0===t.emissive.isColor)&&(kn.assign(vn(i||_h)),a=a.add(kn)),a}setupFog(e,t){const r=e.fogNode;return r&&(ia.assign(t),t=En(r.toVar())),t}setupPremultipliedAlpha(e,t){return cg(t)}setupOutput(e,t){return!0===this.fog&&(t=this.setupFog(e,t)),!0===this.premultipliedAlpha&&(t=this.setupPremultipliedAlpha(e,t)),t}setDefaultValues(e){for(const t in e){const r=e[t];void 0===this[t]&&(this[t]=r,r&&r.clone&&(this[t]=r.clone()))}const t=Object.getOwnPropertyDescriptors(e.constructor.prototype);for(const e in t)void 0===Object.getOwnPropertyDescriptor(this.constructor.prototype,e)&&void 0!==t[e].get&&Object.defineProperty(this.constructor.prototype,e,t[e])}toJSON(e){const t=void 0===e||"string"==typeof e;t&&(e={textures:{},images:{},nodes:{}});const r=Q.prototype.toJSON.call(this,e);r.inputNodes={};for(const{property:t,childNode:s}of this._getNodeChildren())r.inputNodes[t]=s.toJSON(e).uuid;function s(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(t){const t=s(e.textures),i=s(e.images),n=s(e.nodes);t.length>0&&(r.textures=t),i.length>0&&(r.images=i),n.length>0&&(r.nodes=n)}return r}copy(e){return this.lightsNode=e.lightsNode,this.envNode=e.envNode,this.aoNode=e.aoNode,this.colorNode=e.colorNode,this.normalNode=e.normalNode,this.opacityNode=e.opacityNode,this.backdropNode=e.backdropNode,this.backdropAlphaNode=e.backdropAlphaNode,this.alphaTestNode=e.alphaTestNode,this.maskNode=e.maskNode,this.maskShadowNode=e.maskShadowNode,this.positionNode=e.positionNode,this.geometryNode=e.geometryNode,this.depthNode=e.depthNode,this.receivedShadowPositionNode=e.receivedShadowPositionNode,this.castShadowPositionNode=e.castShadowPositionNode,this.receivedShadowNode=e.receivedShadowNode,this.castShadowNode=e.castShadowNode,this.outputNode=e.outputNode,this.mrtNode=e.mrtNode,this.fragmentNode=e.fragmentNode,this.vertexNode=e.vertexNode,this.contextNode=e.contextNode,super.copy(e)}}const gg=new Z;class mg extends pg{static get type(){return"LineBasicNodeMaterial"}constructor(e){super(),this.isLineBasicNodeMaterial=!0,this.setDefaultValues(gg),this.setValues(e)}}const fg=new J;class yg extends pg{static get type(){return"LineDashedNodeMaterial"}constructor(e){super(),this.isLineDashedNodeMaterial=!0,this.setDefaultValues(fg),this.dashOffset=0,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.setValues(e)}setupVariants(){const e=this.offsetNode?gn(this.offsetNode):Yh,t=this.dashScaleNode?gn(this.dashScaleNode):qh,r=this.dashSizeNode?gn(this.dashSizeNode):jh,s=this.gapSizeNode?gn(this.gapSizeNode):Xh;na.assign(r),aa.assign(s);const i=Pu(Sl("lineDistance").mul(t));(e?i.add(e):i).mod(na.add(aa)).greaterThan(na).discard()}}const bg=new J;class xg extends pg{static get type(){return"Line2NodeMaterial"}constructor(e={}){super(),this.isLine2NodeMaterial=!0,this.setDefaultValues(bg),this.vertexColors=e.vertexColors,this.dashOffset=0,this.lineColorNode=null,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.blending=ee,this._useDash=e.dashed,this._useAlphaToCoverage=!0,this._useWorldUnits=!1,this.setValues(e)}setup(e){const{renderer:t}=e,r=this._useAlphaToCoverage,s=this.vertexColors,i=this._useDash,n=this._useWorldUnits,a=un(({start:e,end:t})=>{const r=bd.element(2).element(2),s=bd.element(3).element(2).mul(-.5).div(r).sub(e.z).div(t.z.sub(e.z));return En(nu(e.xyz,t.xyz,s),t.w)}).setLayout({name:"trimSegment",type:"vec4",inputs:[{name:"start",type:"vec4"},{name:"end",type:"vec4"}]});this.vertexNode=un(()=>{const e=Sl("instanceStart"),t=Sl("instanceEnd"),r=En(zd.mul(En(e,1))).toVar("start"),s=En(zd.mul(En(t,1))).toVar("end");if(i){const e=this.dashScaleNode?gn(this.dashScaleNode):qh,t=this.offsetNode?gn(this.offsetNode):Yh,r=Sl("instanceDistanceStart"),s=Sl("instanceDistanceEnd");let i=jd.y.lessThan(.5).select(e.mul(r),e.mul(s));i=i.add(t),In("float","lineDistance").assign(i)}n&&(In("vec3","worldStart").assign(r.xyz),In("vec3","worldEnd").assign(s.xyz));const o=Yl.z.div(Yl.w),u=bd.element(2).element(3).equal(-1);cn(u,()=>{cn(r.z.lessThan(0).and(s.z.greaterThan(0)),()=>{s.assign(a({start:r,end:s}))}).ElseIf(s.z.lessThan(0).and(r.z.greaterThanEqual(0)),()=>{r.assign(a({start:s,end:r}))})});const l=bd.mul(r),d=bd.mul(s),c=l.xyz.div(l.w),h=d.xyz.div(d.w),p=h.xy.sub(c.xy).toVar();p.x.assign(p.x.mul(o)),p.assign(p.normalize());const g=En().toVar();if(n){const e=s.xyz.sub(r.xyz).normalize(),t=nu(r.xyz,s.xyz,.5).normalize(),n=e.cross(t).normalize(),a=e.cross(n),o=In("vec4","worldPos");o.assign(jd.y.lessThan(.5).select(r,s));const u=Kh.mul(.5);o.addAssign(En(jd.x.lessThan(0).select(n.mul(u),n.mul(u).negate()),0)),i||(o.addAssign(En(jd.y.lessThan(.5).select(e.mul(u).negate(),e.mul(u)),0)),o.addAssign(En(a.mul(u),0)),cn(jd.y.greaterThan(1).or(jd.y.lessThan(0)),()=>{o.subAssign(En(a.mul(2).mul(u),0))})),g.assign(bd.mul(o));const l=vn().toVar();l.assign(jd.y.lessThan(.5).select(c,h)),g.z.assign(l.z.mul(g.w))}else{const e=bn(p.y,p.x.negate()).toVar("offset");p.x.assign(p.x.div(o)),e.x.assign(e.x.div(o)),e.assign(jd.x.lessThan(0).select(e.negate(),e)),cn(jd.y.lessThan(0),()=>{e.assign(e.sub(p))}).ElseIf(jd.y.greaterThan(1),()=>{e.assign(e.add(p))}),e.assign(e.mul(Kh)),e.assign(e.div(Yl.w.div(ql))),g.assign(jd.y.lessThan(.5).select(l,d)),e.assign(e.mul(g.w)),g.assign(g.add(En(e,0,0)))}return g})();const o=un(({p1:e,p2:t,p3:r,p4:s})=>{const i=e.sub(r),n=s.sub(r),a=t.sub(e),o=i.dot(n),u=n.dot(a),l=i.dot(a),d=n.dot(n),c=a.dot(a).mul(d).sub(u.mul(u)),h=o.mul(u).sub(l.mul(d)).div(c).clamp(),p=o.add(u.mul(h)).div(d).clamp();return bn(h,p)});if(this.colorNode=un(()=>{const e=Rl();if(i){const t=this.dashSizeNode?gn(this.dashSizeNode):jh,r=this.gapSizeNode?gn(this.gapSizeNode):Xh;na.assign(t),aa.assign(r);const s=In("float","lineDistance");e.y.lessThan(-1).or(e.y.greaterThan(1)).discard(),s.mod(na.add(aa)).greaterThan(na).discard()}const a=gn(1).toVar("alpha");if(n){const e=In("vec3","worldStart"),s=In("vec3","worldEnd"),n=In("vec4","worldPos").xyz.normalize().mul(1e5),u=s.sub(e),l=o({p1:e,p2:s,p3:vn(0,0,0),p4:n}),d=e.add(u.mul(l.x)),c=n.mul(l.y),h=d.sub(c).length().div(Kh);if(!i)if(r&&t.currentSamples>0){const e=h.fwidth();a.assign(lu(e.negate().add(.5),e.add(.5),h).oneMinus())}else h.greaterThan(.5).discard()}else if(r&&t.currentSamples>0){const t=e.x,r=e.y.greaterThan(0).select(e.y.sub(1),e.y.add(1)),s=t.mul(t).add(r.mul(r)),i=gn(s.fwidth()).toVar("dlen");cn(e.y.abs().greaterThan(1),()=>{a.assign(lu(i.oneMinus(),i.add(1),s).oneMinus())})}else cn(e.y.abs().greaterThan(1),()=>{const t=e.x,r=e.y.greaterThan(0).select(e.y.sub(1),e.y.add(1));t.mul(t).add(r.mul(r)).greaterThan(1).discard()});let u;if(this.lineColorNode)u=this.lineColorNode;else if(s){const e=Sl("instanceColorStart"),t=Sl("instanceColorEnd");u=jd.y.lessThan(.5).select(e,t).mul(xh)}else u=xh;return En(u,a)})(),this.transparent){const e=this.opacityNode?gn(this.opacityNode):vh;this.outputNode=En(this.colorNode.rgb.mul(e).add(Gp().rgb.mul(e.oneMinus())),this.colorNode.a)}super.setup(e)}get worldUnits(){return this._useWorldUnits}set worldUnits(e){this._useWorldUnits!==e&&(this._useWorldUnits=e,this.needsUpdate=!0)}get dashed(){return this._useDash}set dashed(e){this._useDash!==e&&(this._useDash=e,this.needsUpdate=!0)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}const Tg=new te;class _g extends pg{static get type(){return"MeshNormalNodeMaterial"}constructor(e){super(),this.isMeshNormalNodeMaterial=!0,this.setDefaultValues(Tg),this.setValues(e)}setupDiffuseColor(){const e=this.opacityNode?gn(this.opacityNode):vh;On.assign(Gu(En(uh(lc),e),re))}}const vg=un(([e=Qd])=>{const t=e.z.atan(e.x).mul(1/(2*Math.PI)).add(.5),r=e.y.clamp(-1,1).asin().mul(1/Math.PI).add(.5);return bn(t,r)});class Ng extends se{constructor(e=1,t={}){super(e,e,t),this.isCubeRenderTarget=!0;const r={width:e,height:e,depth:1},s=[r,r,r,r,r,r];this.texture=new L(s),this._setTextureOptions(t),this.texture.isRenderTargetTexture=!0}fromEquirectangularTexture(e,t){const r=t.minFilter,s=t.generateMipmaps;t.generateMipmaps=!0,this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const i=new ie(5,5,5),n=vg(Qd),a=new pg;a.colorNode=Pl(t,n,0),a.side=M,a.blending=ee;const o=new ne(i,a),u=new ae;u.add(o),t.minFilter===K&&(t.minFilter=oe);const l=new ue(1,10,this),d=e.getMRT();return e.setMRT(null),l.update(e,u),e.setMRT(d),t.minFilter=r,t.currentGenerateMipmaps=s,o.geometry.dispose(),o.material.dispose(),this}clear(e,t=!0,r=!0,s=!0){const i=e.getRenderTarget();for(let i=0;i<6;i++)e.setRenderTarget(this,i),e.clear(t,r,s);e.setRenderTarget(i)}}const Sg=new WeakMap;class Rg extends ci{static get type(){return"CubeMapNode"}constructor(e){super("vec3"),this.envNode=e,this._cubeTexture=null,this._cubeTextureNode=Cc(null);const t=new L;t.isRenderTargetTexture=!0,this._defaultTexture=t,this.updateBeforeType=Js.RENDER}updateBefore(e){const{renderer:t,material:r}=e,s=this.envNode;if(s.isTextureNode||s.isMaterialReferenceNode){const e=s.isTextureNode?s.value:r[s.property];if(e&&e.isTexture){const r=e.mapping;if(r===le||r===de){if(Sg.has(e)){const t=Sg.get(e);Ag(t,e.mapping),this._cubeTexture=t}else{const r=e.image;if(function(e){return null!=e&&e.height>0}(r)){const s=new Ng(r.height);s.fromEquirectangularTexture(t,e),Ag(s.texture,e.mapping),this._cubeTexture=s.texture,Sg.set(e,s.texture),e.addEventListener("dispose",Eg)}else this._cubeTexture=this._defaultTexture}this._cubeTextureNode.value=this._cubeTexture}else this._cubeTextureNode=this.envNode}}}setup(e){return this.updateBefore(e),this._cubeTextureNode}}function Eg(e){const t=e.target;t.removeEventListener("dispose",Eg);const r=Sg.get(t);void 0!==r&&(Sg.delete(t),r.dispose())}function Ag(e,t){t===le?e.mapping=P:t===de&&(e.mapping=D)}const wg=rn(Rg).setParameterLength(1);class Cg extends Bp{static get type(){return"BasicEnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){e.context.environment=wg(this.envNode)}}class Mg extends Bp{static get type(){return"BasicLightMapNode"}constructor(e=null){super(),this.lightMapNode=e}setup(e){const t=gn(1/Math.PI);e.context.irradianceLightMap=this.lightMapNode.mul(t)}}class Bg{start(e){e.lightsNode.setupLights(e,e.lightsNode.getLightNodes(e)),this.indirect(e)}finish(){}direct(){}directRectArea(){}indirect(){}ambientOcclusion(){}}class Fg extends Bg{constructor(){super()}indirect({context:e}){const t=e.ambientOcclusion,r=e.reflectedLight,s=e.irradianceLightMap;r.indirectDiffuse.assign(En(0)),s?r.indirectDiffuse.addAssign(s):r.indirectDiffuse.addAssign(En(1,1,1,0)),r.indirectDiffuse.mulAssign(t),r.indirectDiffuse.mulAssign(On.rgb)}finish(e){const{material:t,context:r}=e,s=r.outgoingLight,i=e.context.environment;if(i)switch(t.combine){case pe:s.rgb.assign(nu(s.rgb,s.rgb.mul(i.rgb),Eh.mul(Ah)));break;case he:s.rgb.assign(nu(s.rgb,i.rgb,Eh.mul(Ah)));break;case ce:s.rgb.addAssign(i.rgb.mul(Eh.mul(Ah)));break;default:d("BasicLightingModel: Unsupported .combine value:",t.combine)}}}const Lg=new ge;class Pg extends pg{static get type(){return"MeshBasicNodeMaterial"}constructor(e){super(),this.isMeshBasicNodeMaterial=!0,this.lights=!0,this.setDefaultValues(Lg),this.setValues(e)}setupNormal(){return sc(oc)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Cg(t):null}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new Mg(Jh)),t}setupOutgoingLight(){return On.rgb}setupLightingModel(){return new Fg}}const Dg=un(({f0:e,f90:t,dotVH:r})=>{const s=r.mul(-5.55473).sub(6.98316).mul(r).exp2();return e.mul(s.oneMinus()).add(t.mul(s))}),Ug=un(e=>e.diffuseColor.mul(1/Math.PI)),Ig=un(({dotNH:e})=>sa.mul(gn(.5)).add(1).mul(gn(1/Math.PI)).mul(e.pow(sa))),Og=un(({lightDirection:e})=>{const t=e.add(Jd).normalize(),r=lc.dot(t).clamp(),s=Jd.dot(t).clamp(),i=Dg({f0:ea,f90:1,dotVH:s}),n=gn(.25),a=Ig({dotNH:r});return i.mul(n).mul(a)});class Vg extends Fg{constructor(e=!0){super(),this.specular=e}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=lc.dot(e).clamp().mul(t);r.directDiffuse.addAssign(s.mul(Ug({diffuseColor:On.rgb}))),!0===this.specular&&r.directSpecular.addAssign(s.mul(Og({lightDirection:e})).mul(Eh))}indirect(e){const{ambientOcclusion:t,irradiance:r,reflectedLight:s}=e.context;s.indirectDiffuse.addAssign(r.mul(Ug({diffuseColor:On}))),s.indirectDiffuse.mulAssign(t)}}const kg=new me;class Gg extends pg{static get type(){return"MeshLambertNodeMaterial"}constructor(e){super(),this.isMeshLambertNodeMaterial=!0,this.lights=!0,this.setDefaultValues(kg),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Cg(t):null}setupLightingModel(){return new Vg(!1)}}const zg=new fe;class $g extends pg{static get type(){return"MeshPhongNodeMaterial"}constructor(e){super(),this.isMeshPhongNodeMaterial=!0,this.lights=!0,this.shininessNode=null,this.specularNode=null,this.setDefaultValues(zg),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Cg(t):null}setupLightingModel(){return new Vg}setupVariants(){const e=(this.shininessNode?gn(this.shininessNode):Th).max(1e-4);sa.assign(e);const t=this.specularNode||Nh;ea.assign(t)}copy(e){return this.shininessNode=e.shininessNode,this.specularNode=e.specularNode,super.copy(e)}}const Wg=un(e=>{if(!1===e.geometry.hasAttribute("normal"))return gn(0);const t=oc.dFdx().abs().max(oc.dFdy().abs());return t.x.max(t.y).max(t.z)}),Hg=un(e=>{const{roughness:t}=e,r=Wg();let s=t.max(.0525);return s=s.add(r),s=s.min(1),s}),qg=un(({alpha:e,dotNL:t,dotNV:r})=>{const s=e.pow2(),i=t.mul(s.add(s.oneMinus().mul(r.pow2())).sqrt()),n=r.mul(s.add(s.oneMinus().mul(t.pow2())).sqrt());return La(.5,i.add(n).max(so))}).setLayout({name:"V_GGX_SmithCorrelated",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNL",type:"float"},{name:"dotNV",type:"float"}]}),jg=un(({alphaT:e,alphaB:t,dotTV:r,dotBV:s,dotTL:i,dotBL:n,dotNV:a,dotNL:o})=>{const u=o.mul(vn(e.mul(r),t.mul(s),a).length()),l=a.mul(vn(e.mul(i),t.mul(n),o).length());return La(.5,u.add(l))}).setLayout({name:"V_GGX_SmithCorrelated_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotTV",type:"float",qualifier:"in"},{name:"dotBV",type:"float",qualifier:"in"},{name:"dotTL",type:"float",qualifier:"in"},{name:"dotBL",type:"float",qualifier:"in"},{name:"dotNV",type:"float",qualifier:"in"},{name:"dotNL",type:"float",qualifier:"in"}]}),Xg=un(({alpha:e,dotNH:t})=>{const r=e.pow2(),s=t.pow2().mul(r.oneMinus()).oneMinus();return r.div(s.pow2()).mul(1/Math.PI)}).setLayout({name:"D_GGX",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNH",type:"float"}]}),Kg=gn(1/Math.PI),Yg=un(({alphaT:e,alphaB:t,dotNH:r,dotTH:s,dotBH:i})=>{const n=e.mul(t),a=vn(t.mul(s),e.mul(i),n.mul(r)),o=a.dot(a),u=n.div(o);return Kg.mul(n.mul(u.pow2()))}).setLayout({name:"D_GGX_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotNH",type:"float",qualifier:"in"},{name:"dotTH",type:"float",qualifier:"in"},{name:"dotBH",type:"float",qualifier:"in"}]}),Qg=un(({lightDirection:e,f0:t,f90:r,roughness:s,f:i,normalView:n=lc,USE_IRIDESCENCE:a,USE_ANISOTROPY:o})=>{const u=s.pow2(),l=e.add(Jd).normalize(),d=n.dot(e).clamp(),c=n.dot(Jd).clamp(),h=n.dot(l).clamp(),p=Jd.dot(l).clamp();let g,m,f=Dg({f0:t,f90:r,dotVH:p});if(Ki(a)&&(f=jn.mix(f,i)),Ki(o)){const t=Zn.dot(e),r=Zn.dot(Jd),s=Zn.dot(l),i=Jn.dot(e),n=Jn.dot(Jd),a=Jn.dot(l);g=jg({alphaT:Yn,alphaB:u,dotTV:r,dotBV:n,dotTL:t,dotBL:i,dotNV:c,dotNL:d}),m=Yg({alphaT:Yn,alphaB:u,dotNH:h,dotTH:s,dotBH:a})}else g=qg({alpha:u,dotNL:d,dotNV:c}),m=Xg({alpha:u,dotNH:h});return f.mul(g).mul(m)}),Zg=new 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Jg=null;const em=un(({roughness:e,dotNV:t})=>{null===Jg&&(Jg=new ye(Zg,16,16,G,be),Jg.name="DFG_LUT",Jg.minFilter=oe,Jg.magFilter=oe,Jg.wrapS=xe,Jg.wrapT=xe,Jg.generateMipmaps=!1,Jg.needsUpdate=!0);const r=bn(e,t);return Pl(Jg,r).rg}),tm=un(({lightDirection:e,f0:t,f90:r,roughness:s,f:i,USE_IRIDESCENCE:n,USE_ANISOTROPY:a})=>{const o=Qg({lightDirection:e,f0:t,f90:r,roughness:s,f:i,USE_IRIDESCENCE:n,USE_ANISOTROPY:a}),u=lc.dot(e).clamp(),l=lc.dot(Jd).clamp(),d=em({roughness:s,dotNV:l}),c=em({roughness:s,dotNV:u}),h=t.mul(d.x).add(r.mul(d.y)),p=t.mul(c.x).add(r.mul(c.y)),g=d.x.add(d.y),m=c.x.add(c.y),f=gn(1).sub(g),y=gn(1).sub(m),b=t.add(t.oneMinus().mul(.047619)),x=h.mul(p).mul(b).div(gn(1).sub(f.mul(y).mul(b).mul(b)).add(so)),T=f.mul(y),_=x.mul(T);return o.add(_)}),rm=un(e=>{const{dotNV:t,specularColor:r,specularF90:s,roughness:i}=e,n=em({dotNV:t,roughness:i});return r.mul(n.x).add(s.mul(n.y))}),sm=un(({f:e,f90:t,dotVH:r})=>{const s=r.oneMinus().saturate(),i=s.mul(s),n=s.mul(i,i).clamp(0,.9999);return e.sub(vn(t).mul(n)).div(n.oneMinus())}).setLayout({name:"Schlick_to_F0",type:"vec3",inputs:[{name:"f",type:"vec3"},{name:"f90",type:"float"},{name:"dotVH",type:"float"}]}),im=un(({roughness:e,dotNH:t})=>{const r=e.pow2(),s=gn(1).div(r),i=t.pow2().oneMinus().max(.0078125);return gn(2).add(s).mul(i.pow(s.mul(.5))).div(2*Math.PI)}).setLayout({name:"D_Charlie",type:"float",inputs:[{name:"roughness",type:"float"},{name:"dotNH",type:"float"}]}),nm=un(({dotNV:e,dotNL:t})=>gn(1).div(gn(4).mul(t.add(e).sub(t.mul(e))))).setLayout({name:"V_Neubelt",type:"float",inputs:[{name:"dotNV",type:"float"},{name:"dotNL",type:"float"}]}),am=un(({lightDirection:e})=>{const t=e.add(Jd).normalize(),r=lc.dot(e).clamp(),s=lc.dot(Jd).clamp(),i=lc.dot(t).clamp(),n=im({roughness:qn,dotNH:i}),a=nm({dotNV:s,dotNL:r});return Hn.mul(n).mul(a)}),om=un(({N:e,V:t,roughness:r})=>{const s=e.dot(t).saturate(),i=bn(r,s.oneMinus().sqrt());return i.assign(i.mul(.984375).add(.0078125)),i}).setLayout({name:"LTC_Uv",type:"vec2",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"roughness",type:"float"}]}),um=un(({f:e})=>{const t=e.length();return Ho(t.mul(t).add(e.z).div(t.add(1)),0)}).setLayout({name:"LTC_ClippedSphereFormFactor",type:"float",inputs:[{name:"f",type:"vec3"}]}),lm=un(({v1:e,v2:t})=>{const r=e.dot(t),s=r.abs().toVar(),i=s.mul(.0145206).add(.4965155).mul(s).add(.8543985).toVar(),n=s.add(4.1616724).mul(s).add(3.417594).toVar(),a=i.div(n),o=r.greaterThan(0).select(a,Ho(r.mul(r).oneMinus(),1e-7).inverseSqrt().mul(.5).sub(a));return e.cross(t).mul(o)}).setLayout({name:"LTC_EdgeVectorFormFactor",type:"vec3",inputs:[{name:"v1",type:"vec3"},{name:"v2",type:"vec3"}]}),dm=un(({N:e,V:t,P:r,mInv:s,p0:i,p1:n,p2:a,p3:o})=>{const u=n.sub(i).toVar(),l=o.sub(i).toVar(),d=u.cross(l),c=vn().toVar();return cn(d.dot(r.sub(i)).greaterThanEqual(0),()=>{const u=t.sub(e.mul(t.dot(e))).normalize(),l=e.cross(u).negate(),d=s.mul(Bn(u,l,e).transpose()).toVar(),h=d.mul(i.sub(r)).normalize().toVar(),p=d.mul(n.sub(r)).normalize().toVar(),g=d.mul(a.sub(r)).normalize().toVar(),m=d.mul(o.sub(r)).normalize().toVar(),f=vn(0).toVar();f.addAssign(lm({v1:h,v2:p})),f.addAssign(lm({v1:p,v2:g})),f.addAssign(lm({v1:g,v2:m})),f.addAssign(lm({v1:m,v2:h})),c.assign(vn(um({f:f})))}),c}).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"P",type:"vec3"},{name:"mInv",type:"mat3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),cm=un(({P:e,p0:t,p1:r,p2:s,p3:i})=>{const n=r.sub(t).toVar(),a=i.sub(t).toVar(),o=n.cross(a),u=vn().toVar();return cn(o.dot(e.sub(t)).greaterThanEqual(0),()=>{const n=t.sub(e).normalize().toVar(),a=r.sub(e).normalize().toVar(),o=s.sub(e).normalize().toVar(),l=i.sub(e).normalize().toVar(),d=vn(0).toVar();d.addAssign(lm({v1:n,v2:a})),d.addAssign(lm({v1:a,v2:o})),d.addAssign(lm({v1:o,v2:l})),d.addAssign(lm({v1:l,v2:n})),u.assign(vn(um({f:d.abs()})))}),u}).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"P",type:"vec3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),hm=1/6,pm=e=>Fa(hm,Fa(e,Fa(e,e.negate().add(3)).sub(3)).add(1)),gm=e=>Fa(hm,Fa(e,Fa(e,Fa(3,e).sub(6))).add(4)),mm=e=>Fa(hm,Fa(e,Fa(e,Fa(-3,e).add(3)).add(3)).add(1)),fm=e=>Fa(hm,Zo(e,3)),ym=e=>pm(e).add(gm(e)),bm=e=>mm(e).add(fm(e)),xm=e=>Ma(-1,gm(e).div(pm(e).add(gm(e)))),Tm=e=>Ma(1,fm(e).div(mm(e).add(fm(e)))),_m=(e,t,r)=>{const s=e.uvNode,i=Fa(s,t.zw).add(.5),n=To(i),a=No(i),o=ym(a.x),u=bm(a.x),l=xm(a.x),d=Tm(a.x),c=xm(a.y),h=Tm(a.y),p=bn(n.x.add(l),n.y.add(c)).sub(.5).mul(t.xy),g=bn(n.x.add(d),n.y.add(c)).sub(.5).mul(t.xy),m=bn(n.x.add(l),n.y.add(h)).sub(.5).mul(t.xy),f=bn(n.x.add(d),n.y.add(h)).sub(.5).mul(t.xy),y=ym(a.y).mul(Ma(o.mul(e.sample(p).level(r)),u.mul(e.sample(g).level(r)))),b=bm(a.y).mul(Ma(o.mul(e.sample(m).level(r)),u.mul(e.sample(f).level(r))));return y.add(b)},vm=un(([e,t])=>{const r=bn(e.size(mn(t))),s=bn(e.size(mn(t.add(1)))),i=La(1,r),n=La(1,s),a=_m(e,En(i,r),To(t)),o=_m(e,En(n,s),_o(t));return No(t).mix(a,o)}),Nm=un(([e,t])=>{const r=t.mul(Cl(e));return vm(e,r)}),Sm=un(([e,t,r,s,i])=>{const n=vn(uu(t.negate(),vo(e),La(1,s))),a=vn(Fo(i[0].xyz),Fo(i[1].xyz),Fo(i[2].xyz));return vo(n).mul(r.mul(a))}).setLayout({name:"getVolumeTransmissionRay",type:"vec3",inputs:[{name:"n",type:"vec3"},{name:"v",type:"vec3"},{name:"thickness",type:"float"},{name:"ior",type:"float"},{name:"modelMatrix",type:"mat4"}]}),Rm=un(([e,t])=>e.mul(au(t.mul(2).sub(2),0,1))).setLayout({name:"applyIorToRoughness",type:"float",inputs:[{name:"roughness",type:"float"},{name:"ior",type:"float"}]}),Em=Vp(),Am=Gp(),wm=un(([e,t,r],{material:s})=>{const i=(s.side===M?Em:Am).sample(e),n=yo(Xl.x).mul(Rm(t,r));return vm(i,n)}),Cm=un(([e,t,r])=>(cn(r.notEqual(0),()=>{const s=fo(t).negate().div(r);return go(s.negate().mul(e))}),vn(1))).setLayout({name:"volumeAttenuation",type:"vec3",inputs:[{name:"transmissionDistance",type:"float"},{name:"attenuationColor",type:"vec3"},{name:"attenuationDistance",type:"float"}]}),Mm=un(([e,t,r,s,i,n,a,o,u,l,d,c,h,p,g])=>{let m,f;if(g){m=En().toVar(),f=vn().toVar();const i=d.sub(1).mul(g.mul(.025)),n=vn(d.sub(i),d,d.add(i));Sp({start:0,end:3},({i:i})=>{const d=n.element(i),g=Sm(e,t,c,d,o),y=a.add(g),b=l.mul(u.mul(En(y,1))),x=bn(b.xy.div(b.w)).toVar();x.addAssign(1),x.divAssign(2),x.assign(bn(x.x,x.y.oneMinus()));const T=wm(x,r,d);m.element(i).assign(T.element(i)),m.a.addAssign(T.a),f.element(i).assign(s.element(i).mul(Cm(Fo(g),h,p).element(i)))}),m.a.divAssign(3)}else{const i=Sm(e,t,c,d,o),n=a.add(i),g=l.mul(u.mul(En(n,1))),y=bn(g.xy.div(g.w)).toVar();y.addAssign(1),y.divAssign(2),y.assign(bn(y.x,y.y.oneMinus())),m=wm(y,r,d),f=s.mul(Cm(Fo(i),h,p))}const y=f.rgb.mul(m.rgb),b=e.dot(t).clamp(),x=vn(rm({dotNV:b,specularColor:i,specularF90:n,roughness:r})),T=f.r.add(f.g,f.b).div(3);return En(x.oneMinus().mul(y),m.a.oneMinus().mul(T).oneMinus())}),Bm=Bn(3.2404542,-.969266,.0556434,-1.5371385,1.8760108,-.2040259,-.4985314,.041556,1.0572252),Fm=(e,t)=>e.sub(t).div(e.add(t)).pow2(),Lm=un(({outsideIOR:e,eta2:t,cosTheta1:r,thinFilmThickness:s,baseF0:i})=>{const n=nu(e,t,lu(0,.03,s)),a=e.div(n).pow2().mul(r.pow2().oneMinus()).oneMinus();cn(a.lessThan(0),()=>vn(1));const o=a.sqrt(),u=Fm(n,e),l=Dg({f0:u,f90:1,dotVH:r}),d=l.oneMinus(),c=n.lessThan(e).select(Math.PI,0),h=gn(Math.PI).sub(c),p=(e=>{const t=e.sqrt();return vn(1).add(t).div(vn(1).sub(t))})(i.clamp(0,.9999)),g=Fm(p,n.toVec3()),m=Dg({f0:g,f90:1,dotVH:o}),f=vn(p.x.lessThan(n).select(Math.PI,0),p.y.lessThan(n).select(Math.PI,0),p.z.lessThan(n).select(Math.PI,0)),y=n.mul(s,o,2),b=vn(h).add(f),x=l.mul(m).clamp(1e-5,.9999),T=x.sqrt(),_=d.pow2().mul(m).div(vn(1).sub(x)),v=l.add(_).toVar(),N=_.sub(d).toVar();return Sp({start:1,end:2,condition:"<=",name:"m"},({m:e})=>{N.mulAssign(T);const t=((e,t)=>{const r=e.mul(2*Math.PI*1e-9),s=vn(54856e-17,44201e-17,52481e-17),i=vn(1681e3,1795300,2208400),n=vn(43278e5,93046e5,66121e5),a=gn(9747e-17*Math.sqrt(2*Math.PI*45282e5)).mul(r.mul(2239900).add(t.x).cos()).mul(r.pow2().mul(-45282e5).exp());let o=s.mul(n.mul(2*Math.PI).sqrt()).mul(i.mul(r).add(t).cos()).mul(r.pow2().negate().mul(n).exp());return o=vn(o.x.add(a),o.y,o.z).div(1.0685e-7),Bm.mul(o)})(gn(e).mul(y),gn(e).mul(b)).mul(2);v.addAssign(N.mul(t))}),v.max(vn(0))}).setLayout({name:"evalIridescence",type:"vec3",inputs:[{name:"outsideIOR",type:"float"},{name:"eta2",type:"float"},{name:"cosTheta1",type:"float"},{name:"thinFilmThickness",type:"float"},{name:"baseF0",type:"vec3"}]}),Pm=un(({normal:e,viewDir:t,roughness:r})=>{const s=e.dot(t).saturate(),i=r.mul(r),n=r.add(.1).reciprocal(),a=gn(-1.9362).add(r.mul(1.0678)).add(i.mul(.4573)).sub(n.mul(.8469)),o=gn(-.6014).add(r.mul(.5538)).sub(i.mul(.467)).sub(n.mul(.1255));return a.mul(s).add(o).exp().saturate()}),Dm=vn(.04),Um=gn(1);class Im extends Bg{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1){super(),this.clearcoat=e,this.sheen=t,this.iridescence=r,this.anisotropy=s,this.transmission=i,this.dispersion=n,this.clearcoatRadiance=null,this.clearcoatSpecularDirect=null,this.clearcoatSpecularIndirect=null,this.sheenSpecularDirect=null,this.sheenSpecularIndirect=null,this.iridescenceFresnel=null,this.iridescenceF0=null,this.iridescenceF0Dielectric=null,this.iridescenceF0Metallic=null}start(e){if(!0===this.clearcoat&&(this.clearcoatRadiance=vn().toVar("clearcoatRadiance"),this.clearcoatSpecularDirect=vn().toVar("clearcoatSpecularDirect"),this.clearcoatSpecularIndirect=vn().toVar("clearcoatSpecularIndirect")),!0===this.sheen&&(this.sheenSpecularDirect=vn().toVar("sheenSpecularDirect"),this.sheenSpecularIndirect=vn().toVar("sheenSpecularIndirect")),!0===this.iridescence){const e=lc.dot(Jd).clamp(),t=Lm({outsideIOR:gn(1),eta2:Xn,cosTheta1:e,thinFilmThickness:Kn,baseF0:ea}),r=Lm({outsideIOR:gn(1),eta2:Xn,cosTheta1:e,thinFilmThickness:Kn,baseF0:On.rgb});this.iridescenceFresnel=nu(t,r,zn),this.iridescenceF0Dielectric=sm({f:t,f90:1,dotVH:e}),this.iridescenceF0Metallic=sm({f:r,f90:1,dotVH:e}),this.iridescenceF0=nu(this.iridescenceF0Dielectric,this.iridescenceF0Metallic,zn)}if(!0===this.transmission){const t=Yd,r=Nd.sub(Yd).normalize(),s=dc,i=e.context;i.backdrop=Mm(s,r,Gn,Vn,ta,ra,t,Dd,Td,bd,ua,da,ha,ca,this.dispersion?pa:null),i.backdropAlpha=la,On.a.mulAssign(nu(1,i.backdrop.a,la))}super.start(e)}computeMultiscattering(e,t,r,s,i=null){const n=lc.dot(Jd).clamp(),a=em({roughness:Gn,dotNV:n}),o=i?jn.mix(s,i):s,u=o.mul(a.x).add(r.mul(a.y)),l=a.x.add(a.y).oneMinus(),d=o.add(o.oneMinus().mul(.047619)),c=u.mul(d).div(l.mul(d).oneMinus());e.addAssign(u),t.addAssign(c.mul(l))}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=lc.dot(e).clamp().mul(t).toVar();if(!0===this.sheen){this.sheenSpecularDirect.addAssign(s.mul(am({lightDirection:e})));const t=Pm({normal:lc,viewDir:Jd,roughness:qn}),r=Pm({normal:lc,viewDir:e,roughness:qn}),i=Hn.r.max(Hn.g).max(Hn.b).mul(t.max(r)).oneMinus();s.mulAssign(i)}if(!0===this.clearcoat){const r=cc.dot(e).clamp().mul(t);this.clearcoatSpecularDirect.addAssign(r.mul(Qg({lightDirection:e,f0:Dm,f90:Um,roughness:Wn,normalView:cc})))}r.directDiffuse.addAssign(s.mul(Ug({diffuseColor:Vn}))),r.directSpecular.addAssign(s.mul(tm({lightDirection:e,f0:ta,f90:1,roughness:Gn,f:this.iridescenceFresnel,USE_IRIDESCENCE:this.iridescence,USE_ANISOTROPY:this.anisotropy})))}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s,reflectedLight:i,ltc_1:n,ltc_2:a}){const o=t.add(r).sub(s),u=t.sub(r).sub(s),l=t.sub(r).add(s),d=t.add(r).add(s),c=lc,h=Jd,p=Zd.toVar(),g=om({N:c,V:h,roughness:Gn}),m=n.sample(g).toVar(),f=a.sample(g).toVar(),y=Bn(vn(m.x,0,m.y),vn(0,1,0),vn(m.z,0,m.w)).toVar(),b=ta.mul(f.x).add(ra.sub(ta).mul(f.y)).toVar();if(i.directSpecular.addAssign(e.mul(b).mul(dm({N:c,V:h,P:p,mInv:y,p0:o,p1:u,p2:l,p3:d}))),i.directDiffuse.addAssign(e.mul(Vn).mul(dm({N:c,V:h,P:p,mInv:Bn(1,0,0,0,1,0,0,0,1),p0:o,p1:u,p2:l,p3:d}))),!0===this.clearcoat){const t=cc,r=om({N:t,V:h,roughness:Wn}),s=n.sample(r),i=a.sample(r),c=Bn(vn(s.x,0,s.y),vn(0,1,0),vn(s.z,0,s.w)),g=Dm.mul(i.x).add(Um.sub(Dm).mul(i.y));this.clearcoatSpecularDirect.addAssign(e.mul(g).mul(dm({N:t,V:h,P:p,mInv:c,p0:o,p1:u,p2:l,p3:d})))}}indirect(e){this.indirectDiffuse(e),this.indirectSpecular(e),this.ambientOcclusion(e)}indirectDiffuse(e){const{irradiance:t,reflectedLight:r}=e.context,s=t.mul(Ug({diffuseColor:Vn})).toVar();if(!0===this.sheen){const e=Pm({normal:lc,viewDir:Jd,roughness:qn}),t=Hn.r.max(Hn.g).max(Hn.b).mul(e).oneMinus();s.mulAssign(t)}r.indirectDiffuse.addAssign(s)}indirectSpecular(e){const{radiance:t,iblIrradiance:r,reflectedLight:s}=e.context;if(!0===this.sheen&&this.sheenSpecularIndirect.addAssign(r.mul(Hn,Pm({normal:lc,viewDir:Jd,roughness:qn}))),!0===this.clearcoat){const e=cc.dot(Jd).clamp(),t=rm({dotNV:e,specularColor:Dm,specularF90:Um,roughness:Wn});this.clearcoatSpecularIndirect.addAssign(this.clearcoatRadiance.mul(t))}const i=vn().toVar("singleScatteringDielectric"),n=vn().toVar("multiScatteringDielectric"),a=vn().toVar("singleScatteringMetallic"),o=vn().toVar("multiScatteringMetallic");this.computeMultiscattering(i,n,ra,ea,this.iridescenceF0Dielectric),this.computeMultiscattering(a,o,ra,On.rgb,this.iridescenceF0Metallic);const u=nu(i,a,zn),l=nu(n,o,zn),d=i.add(n),c=Vn.mul(d.oneMinus()),h=r.mul(1/Math.PI),p=t.mul(u).add(l.mul(h)).toVar(),g=c.mul(h).toVar();if(!0===this.sheen){const e=Pm({normal:lc,viewDir:Jd,roughness:qn}),t=Hn.r.max(Hn.g).max(Hn.b).mul(e).oneMinus();p.mulAssign(t),g.mulAssign(t)}s.indirectSpecular.addAssign(p),s.indirectDiffuse.addAssign(g)}ambientOcclusion(e){const{ambientOcclusion:t,reflectedLight:r}=e.context,s=lc.dot(Jd).clamp().add(t),i=Gn.mul(-16).oneMinus().negate().exp2(),n=t.sub(s.pow(i).oneMinus()).clamp();!0===this.clearcoat&&this.clearcoatSpecularIndirect.mulAssign(t),!0===this.sheen&&this.sheenSpecularIndirect.mulAssign(t),r.indirectDiffuse.mulAssign(t),r.indirectSpecular.mulAssign(n)}finish({context:e}){const{outgoingLight:t}=e;if(!0===this.clearcoat){const e=cc.dot(Jd).clamp(),r=Dg({dotVH:e,f0:Dm,f90:Um}),s=t.mul($n.mul(r).oneMinus()).add(this.clearcoatSpecularDirect.add(this.clearcoatSpecularIndirect).mul($n));t.assign(s)}if(!0===this.sheen){const e=t.add(this.sheenSpecularDirect,this.sheenSpecularIndirect.mul(1/Math.PI));t.assign(e)}}}const Om=gn(1),Vm=gn(-2),km=gn(.8),Gm=gn(-1),zm=gn(.4),$m=gn(2),Wm=gn(.305),Hm=gn(3),qm=gn(.21),jm=gn(4),Xm=gn(4),Km=gn(16),Ym=un(([e])=>{const t=vn(Mo(e)).toVar(),r=gn(-1).toVar();return cn(t.x.greaterThan(t.z),()=>{cn(t.x.greaterThan(t.y),()=>{r.assign(bu(e.x.greaterThan(0),0,3))}).Else(()=>{r.assign(bu(e.y.greaterThan(0),1,4))})}).Else(()=>{cn(t.z.greaterThan(t.y),()=>{r.assign(bu(e.z.greaterThan(0),2,5))}).Else(()=>{r.assign(bu(e.y.greaterThan(0),1,4))})}),r}).setLayout({name:"getFace",type:"float",inputs:[{name:"direction",type:"vec3"}]}),Qm=un(([e,t])=>{const r=bn().toVar();return cn(t.equal(0),()=>{r.assign(bn(e.z,e.y).div(Mo(e.x)))}).ElseIf(t.equal(1),()=>{r.assign(bn(e.x.negate(),e.z.negate()).div(Mo(e.y)))}).ElseIf(t.equal(2),()=>{r.assign(bn(e.x.negate(),e.y).div(Mo(e.z)))}).ElseIf(t.equal(3),()=>{r.assign(bn(e.z.negate(),e.y).div(Mo(e.x)))}).ElseIf(t.equal(4),()=>{r.assign(bn(e.x.negate(),e.z).div(Mo(e.y)))}).Else(()=>{r.assign(bn(e.x,e.y).div(Mo(e.z)))}),Fa(.5,r.add(1))}).setLayout({name:"getUV",type:"vec2",inputs:[{name:"direction",type:"vec3"},{name:"face",type:"float"}]}),Zm=un(([e])=>{const t=gn(0).toVar();return cn(e.greaterThanEqual(km),()=>{t.assign(Om.sub(e).mul(Gm.sub(Vm)).div(Om.sub(km)).add(Vm))}).ElseIf(e.greaterThanEqual(zm),()=>{t.assign(km.sub(e).mul($m.sub(Gm)).div(km.sub(zm)).add(Gm))}).ElseIf(e.greaterThanEqual(Wm),()=>{t.assign(zm.sub(e).mul(Hm.sub($m)).div(zm.sub(Wm)).add($m))}).ElseIf(e.greaterThanEqual(qm),()=>{t.assign(Wm.sub(e).mul(jm.sub(Hm)).div(Wm.sub(qm)).add(Hm))}).Else(()=>{t.assign(gn(-2).mul(yo(Fa(1.16,e))))}),t}).setLayout({name:"roughnessToMip",type:"float",inputs:[{name:"roughness",type:"float"}]}),Jm=un(([e,t])=>{const r=e.toVar();r.assign(Fa(2,r).sub(1));const s=vn(r,1).toVar();return cn(t.equal(0),()=>{s.assign(s.zyx)}).ElseIf(t.equal(1),()=>{s.assign(s.xzy),s.xz.mulAssign(-1)}).ElseIf(t.equal(2),()=>{s.x.mulAssign(-1)}).ElseIf(t.equal(3),()=>{s.assign(s.zyx),s.xz.mulAssign(-1)}).ElseIf(t.equal(4),()=>{s.assign(s.xzy),s.xy.mulAssign(-1)}).ElseIf(t.equal(5),()=>{s.z.mulAssign(-1)}),s}).setLayout({name:"getDirection",type:"vec3",inputs:[{name:"uv",type:"vec2"},{name:"face",type:"float"}]}),ef=un(([e,t,r,s,i,n])=>{const a=gn(r),o=vn(t),u=au(Zm(a),Vm,n),l=No(u),d=To(u),c=vn(tf(e,o,d,s,i,n)).toVar();return cn(l.notEqual(0),()=>{const t=vn(tf(e,o,d.add(1),s,i,n)).toVar();c.assign(nu(c,t,l))}),c}),tf=un(([e,t,r,s,i,n])=>{const a=gn(r).toVar(),o=vn(t),u=gn(Ym(o)).toVar(),l=gn(Ho(Xm.sub(a),0)).toVar();a.assign(Ho(a,Xm));const d=gn(mo(a)).toVar(),c=bn(Qm(o,u).mul(d.sub(2)).add(1)).toVar();return cn(u.greaterThan(2),()=>{c.y.addAssign(d),u.subAssign(3)}),c.x.addAssign(u.mul(d)),c.x.addAssign(l.mul(Fa(3,Km))),c.y.addAssign(Fa(4,mo(n).sub(d))),c.x.mulAssign(s),c.y.mulAssign(i),e.sample(c).grad(bn(),bn())}),rf=un(({envMap:e,mipInt:t,outputDirection:r,theta:s,axis:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:a,CUBEUV_MAX_MIP:o})=>{const u=Ro(s),l=r.mul(u).add(i.cross(r).mul(So(s))).add(i.mul(i.dot(r).mul(u.oneMinus())));return tf(e,l,t,n,a,o)}),sf=un(({n:e,latitudinal:t,poleAxis:r,outputDirection:s,weights:i,samples:n,dTheta:a,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})=>{const h=vn(bu(t,r,Qo(r,s))).toVar();cn(h.equal(vn(0)),()=>{h.assign(vn(s.z,0,s.x.negate()))}),h.assign(vo(h));const p=vn().toVar();return p.addAssign(i.element(0).mul(rf({theta:0,axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),Sp({start:mn(1),end:e},({i:e})=>{cn(e.greaterThanEqual(n),()=>{Rp()});const t=gn(a.mul(gn(e))).toVar();p.addAssign(i.element(e).mul(rf({theta:t.mul(-1),axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),p.addAssign(i.element(e).mul(rf({theta:t,axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})))}),En(p,1)}),nf=un(([e])=>{const t=fn(e).toVar();return t.assign(t.shiftLeft(fn(16)).bitOr(t.shiftRight(fn(16)))),t.assign(t.bitAnd(fn(1431655765)).shiftLeft(fn(1)).bitOr(t.bitAnd(fn(2863311530)).shiftRight(fn(1)))),t.assign(t.bitAnd(fn(858993459)).shiftLeft(fn(2)).bitOr(t.bitAnd(fn(3435973836)).shiftRight(fn(2)))),t.assign(t.bitAnd(fn(252645135)).shiftLeft(fn(4)).bitOr(t.bitAnd(fn(4042322160)).shiftRight(fn(4)))),t.assign(t.bitAnd(fn(16711935)).shiftLeft(fn(8)).bitOr(t.bitAnd(fn(4278255360)).shiftRight(fn(8)))),gn(t).mul(2.3283064365386963e-10)}),af=un(([e,t])=>bn(gn(e).div(gn(t)),nf(e))),of=un(([e,t,r])=>{const s=r.mul(r).toConst(),i=vn(1,0,0).toConst(),n=Qo(t,i).toConst(),a=bo(e.x).toConst(),o=Fa(2,3.14159265359).mul(e.y).toConst(),u=a.mul(Ro(o)).toConst(),l=a.mul(So(o)).toVar(),d=Fa(.5,t.z.add(1)).toConst();l.assign(d.oneMinus().mul(bo(u.mul(u).oneMinus())).add(d.mul(l)));const c=i.mul(u).add(n.mul(l)).add(t.mul(bo(Ho(0,u.mul(u).add(l.mul(l)).oneMinus()))));return vo(vn(s.mul(c.x),s.mul(c.y),Ho(0,c.z)))}),uf=un(({roughness:e,mipInt:t,envMap:r,N_immutable:s,GGX_SAMPLES:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:a,CUBEUV_MAX_MIP:o})=>{const u=vn(s).toVar(),l=vn(0).toVar(),d=gn(0).toVar();return cn(e.lessThan(.001),()=>{l.assign(tf(r,u,t,n,a,o))}).Else(()=>{const s=bu(Mo(u.z).lessThan(.999),vn(0,0,1),vn(1,0,0)),c=vo(Qo(s,u)).toVar(),h=Qo(u,c).toVar();Sp({start:fn(0),end:i},({i:s})=>{const p=af(s,i),g=of(p,vn(0,0,1),e),m=vo(c.mul(g.x).add(h.mul(g.y)).add(u.mul(g.z))),f=vo(m.mul(Yo(u,m).mul(2)).sub(u)),y=Ho(Yo(u,f),0);cn(y.greaterThan(0),()=>{const e=tf(r,f,t,n,a,o);l.addAssign(e.mul(y)),d.addAssign(y)})}),cn(d.greaterThan(0),()=>{l.assign(l.div(d))})}),En(l,1)}),lf=[.125,.215,.35,.446,.526,.582],df=20,cf=new _e(-1,1,1,-1,0,1),hf=new ve(90,1),pf=new e;let gf=null,mf=0,ff=0;const yf=new r,bf=new WeakMap,xf=[3,1,5,0,4,2],Tf=Jm(Rl(),Sl("faceIndex")).normalize(),_f=vn(Tf.x,Tf.y,Tf.z);class vf{constructor(e){this._renderer=e,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._sizeLods=[],this._sigmas=[],this._lodMeshes=[],this._blurMaterial=null,this._ggxMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._backgroundBox=null}get _hasInitialized(){return this._renderer.hasInitialized()}fromScene(e,t=0,r=.1,s=100,i={}){const{size:n=256,position:a=yf,renderTarget:o=null}=i;if(this._setSize(n),!1===this._hasInitialized){d('PMREMGenerator: ".fromScene()" called before the backend is initialized. Try using "await renderer.init()" instead.');const n=o||this._allocateTarget();return i.renderTarget=n,this.fromSceneAsync(e,t,r,s,i),n}gf=this._renderer.getRenderTarget(),mf=this._renderer.getActiveCubeFace(),ff=this._renderer.getActiveMipmapLevel();const u=o||this._allocateTarget();return u.depthBuffer=!0,this._init(u),this._sceneToCubeUV(e,r,s,u,a),t>0&&this._blur(u,0,0,t),this._applyPMREM(u),this._cleanup(u),u}async fromSceneAsync(e,t=0,r=.1,s=100,i={}){return v('PMREMGenerator: ".fromSceneAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this.fromScene(e,t,r,s,i)}fromEquirectangular(e,t=null){if(!1===this._hasInitialized){d('PMREMGenerator: .fromEquirectangular() called before the backend is initialized. Try using "await renderer.init()" instead.'),this._setSizeFromTexture(e);const r=t||this._allocateTarget();return this.fromEquirectangularAsync(e,r),r}return this._fromTexture(e,t)}async fromEquirectangularAsync(e,t=null){return v('PMREMGenerator: ".fromEquirectangularAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this._fromTexture(e,t)}fromCubemap(e,t=null){if(!1===this._hasInitialized){d("PMREMGenerator: .fromCubemap() called before the backend is initialized. Try using .fromCubemapAsync() instead."),this._setSizeFromTexture(e);const r=t||this._allocateTarget();return this.fromCubemapAsync(e,t),r}return this._fromTexture(e,t)}async fromCubemapAsync(e,t=null){return v('PMREMGenerator: ".fromCubemapAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this._fromTexture(e,t)}async compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=Ef(),await this._compileMaterial(this._cubemapMaterial))}async compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=Af(),await this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose(),null!==this._backgroundBox&&(this._backgroundBox.geometry.dispose(),this._backgroundBox.material.dispose())}_setSizeFromTexture(e){e.mapping===P||e.mapping===D?this._setSize(0===e.image.length?16:e.image[0].width||e.image[0].image.width):this._setSize(e.image.width/4)}_setSize(e){this._lodMax=Math.floor(Math.log2(e)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._ggxMaterial&&this._ggxMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let e=0;e<this._lodMeshes.length;e++)this._lodMeshes[e].geometry.dispose()}_cleanup(e){this._renderer.setRenderTarget(gf,mf,ff),e.scissorTest=!1,Sf(e,0,0,e.width,e.height)}_fromTexture(e,t){this._setSizeFromTexture(e),gf=this._renderer.getRenderTarget(),mf=this._renderer.getActiveCubeFace(),ff=this._renderer.getActiveMipmapLevel();const r=t||this._allocateTarget();return this._init(r),this._textureToCubeUV(e,r),this._applyPMREM(r),this._cleanup(r),r}_allocateTarget(){return Nf(3*Math.max(this._cubeSize,112),4*this._cubeSize)}_init(e){if(null===this._pingPongRenderTarget||this._pingPongRenderTarget.width!==e.width||this._pingPongRenderTarget.height!==e.height){null!==this._pingPongRenderTarget&&this._dispose(),this._pingPongRenderTarget=Nf(e.width,e.height);const{_lodMax:t}=this;({lodMeshes:this._lodMeshes,sizeLods:this._sizeLods,sigmas:this._sigmas}=function(e){const t=[],r=[],s=[];let i=e;const n=e-4+1+lf.length;for(let a=0;a<n;a++){const n=Math.pow(2,i);t.push(n);let o=1/n;a>e-4?o=lf[a-e+4-1]:0===a&&(o=0),r.push(o);const u=1/(n-2),l=-u,d=1+u,c=[l,l,d,l,d,d,l,l,d,d,l,d],h=6,p=6,g=3,m=2,f=1,y=new Float32Array(g*p*h),b=new Float32Array(m*p*h),x=new Float32Array(f*p*h);for(let e=0;e<h;e++){const t=e%3*2/3-1,r=e>2?0:-1,s=[t,r,0,t+2/3,r,0,t+2/3,r+1,0,t,r,0,t+2/3,r+1,0,t,r+1,0],i=xf[e];y.set(s,g*p*i),b.set(c,m*p*i);const n=[i,i,i,i,i,i];x.set(n,f*p*i)}const T=new Te;T.setAttribute("position",new Ee(y,g)),T.setAttribute("uv",new Ee(b,m)),T.setAttribute("faceIndex",new Ee(x,f)),s.push(new ne(T,null)),i>4&&i--}return{lodMeshes:s,sizeLods:t,sigmas:r}}(t)),this._blurMaterial=function(e,t,s){const i=kl(new Array(df).fill(0)),n=_a(new r(0,1,0)),a=_a(0),o=gn(df),u=_a(0),l=_a(1),d=Pl(),c=_a(0),h=gn(1/t),p=gn(1/s),g=gn(e),m={n:o,latitudinal:u,weights:i,poleAxis:n,outputDirection:_f,dTheta:a,samples:l,envMap:d,mipInt:c,CUBEUV_TEXEL_WIDTH:h,CUBEUV_TEXEL_HEIGHT:p,CUBEUV_MAX_MIP:g},f=Rf("blur");return f.fragmentNode=sf({...m,latitudinal:u.equal(1)}),bf.set(f,m),f}(t,e.width,e.height),this._ggxMaterial=function(e,t,r){const s=Pl(),i=_a(0),n=_a(0),a=gn(1/t),o=gn(1/r),u=gn(e),l={envMap:s,roughness:i,mipInt:n,CUBEUV_TEXEL_WIDTH:a,CUBEUV_TEXEL_HEIGHT:o,CUBEUV_MAX_MIP:u},d=Rf("ggx");return d.fragmentNode=uf({...l,N_immutable:_f,GGX_SAMPLES:fn(512)}),bf.set(d,l),d}(t,e.width,e.height)}}async _compileMaterial(e){const t=new ne(new Te,e);await this._renderer.compile(t,cf)}_sceneToCubeUV(e,t,r,s,i){const n=hf;n.near=t,n.far=r;const a=[1,1,1,1,-1,1],o=[1,-1,1,-1,1,-1],u=this._renderer,l=u.autoClear;u.getClearColor(pf),u.autoClear=!1,null===this._backgroundBox&&(this._backgroundBox=new ne(new ie,new ge({name:"PMREM.Background",side:M,depthWrite:!1,depthTest:!1})));const d=this._backgroundBox,c=d.material;let h=!1;const p=e.background;p?p.isColor&&(c.color.copy(p),e.background=null,h=!0):(c.color.copy(pf),h=!0),u.setRenderTarget(s),u.clear(),h&&u.render(d,n);for(let t=0;t<6;t++){const r=t%3;0===r?(n.up.set(0,a[t],0),n.position.set(i.x,i.y,i.z),n.lookAt(i.x+o[t],i.y,i.z)):1===r?(n.up.set(0,0,a[t]),n.position.set(i.x,i.y,i.z),n.lookAt(i.x,i.y+o[t],i.z)):(n.up.set(0,a[t],0),n.position.set(i.x,i.y,i.z),n.lookAt(i.x,i.y,i.z+o[t]));const l=this._cubeSize;Sf(s,r*l,t>2?l:0,l,l),u.render(e,n)}u.autoClear=l,e.background=p}_textureToCubeUV(e,t){const r=this._renderer,s=e.mapping===P||e.mapping===D;s?null===this._cubemapMaterial&&(this._cubemapMaterial=Ef(e)):null===this._equirectMaterial&&(this._equirectMaterial=Af(e));const i=s?this._cubemapMaterial:this._equirectMaterial;i.fragmentNode.value=e;const n=this._lodMeshes[0];n.material=i;const a=this._cubeSize;Sf(t,0,0,3*a,2*a),r.setRenderTarget(t),r.render(n,cf)}_applyPMREM(e){const t=this._renderer,r=t.autoClear;t.autoClear=!1;const s=this._lodMeshes.length;for(let t=1;t<s;t++)this._applyGGXFilter(e,t-1,t);t.autoClear=r}_applyGGXFilter(e,t,r){const s=this._renderer,i=this._pingPongRenderTarget,n=this._ggxMaterial,a=this._lodMeshes[r];a.material=n;const o=bf.get(n),u=r/(this._lodMeshes.length-1),l=t/(this._lodMeshes.length-1),d=Math.sqrt(u*u-l*l)*(0+1.25*u),{_lodMax:c}=this,h=this._sizeLods[r],p=3*h*(r>c-4?r-c+4:0),g=4*(this._cubeSize-h);e.texture.frame=(e.texture.frame||0)+1,o.envMap.value=e.texture,o.roughness.value=d,o.mipInt.value=c-t,Sf(i,p,g,3*h,2*h),s.setRenderTarget(i),s.render(a,cf),i.texture.frame=(i.texture.frame||0)+1,o.envMap.value=i.texture,o.roughness.value=0,o.mipInt.value=c-r,Sf(e,p,g,3*h,2*h),s.setRenderTarget(e),s.render(a,cf)}_blur(e,t,r,s,i){const n=this._pingPongRenderTarget;this._halfBlur(e,n,t,r,s,"latitudinal",i),this._halfBlur(n,e,r,r,s,"longitudinal",i)}_halfBlur(e,t,r,s,i,n,a){const u=this._renderer,l=this._blurMaterial;"latitudinal"!==n&&"longitudinal"!==n&&o("blur direction must be either latitudinal or longitudinal!");const c=this._lodMeshes[s];c.material=l;const h=bf.get(l),p=this._sizeLods[r]-1,g=isFinite(i)?Math.PI/(2*p):2*Math.PI/39,m=i/g,f=isFinite(i)?1+Math.floor(3*m):df;f>df&&d(`sigmaRadians, ${i}, is too large and will clip, as it requested ${f} samples when the maximum is set to 20`);const y=[];let b=0;for(let e=0;e<df;++e){const t=e/m,r=Math.exp(-t*t/2);y.push(r),0===e?b+=r:e<f&&(b+=2*r)}for(let e=0;e<y.length;e++)y[e]=y[e]/b;e.texture.frame=(e.texture.frame||0)+1,h.envMap.value=e.texture,h.samples.value=f,h.weights.array=y,h.latitudinal.value="latitudinal"===n?1:0,a&&(h.poleAxis.value=a);const{_lodMax:x}=this;h.dTheta.value=g,h.mipInt.value=x-r;const T=this._sizeLods[s];Sf(t,3*T*(s>x-4?s-x+4:0),4*(this._cubeSize-T),3*T,2*T),u.setRenderTarget(t),u.render(c,cf)}}function Nf(e,t){const r=new se(e,t,{magFilter:oe,minFilter:oe,generateMipmaps:!1,type:be,format:Se,colorSpace:Ne});return r.texture.mapping=Re,r.texture.name="PMREM.cubeUv",r.texture.isPMREMTexture=!0,r.scissorTest=!0,r}function Sf(e,t,r,s,i){e.viewport.set(t,r,s,i),e.scissor.set(t,r,s,i)}function Rf(e){const t=new pg;return t.depthTest=!1,t.depthWrite=!1,t.blending=ee,t.name=`PMREM_${e}`,t}function Ef(e){const t=Rf("cubemap");return t.fragmentNode=Cc(e,_f),t}function Af(e){const t=Rf("equirect");return t.fragmentNode=Pl(e,vg(_f),0),t}const wf=new WeakMap;function Cf(e,t,r){const s=function(e){let t=wf.get(e);void 0===t&&(t=new WeakMap,wf.set(e,t));return t}(t);let i=s.get(e);if((void 0!==i?i.pmremVersion:-1)!==e.pmremVersion){const t=e.image;if(e.isCubeTexture){if(!function(e){if(null==e)return!1;let t=0;const r=6;for(let s=0;s<r;s++)void 0!==e[s]&&t++;return t===r}(t))return null;i=r.fromCubemap(e,i)}else{if(!function(e){return null!=e&&e.height>0}(t))return null;i=r.fromEquirectangular(e,i)}i.pmremVersion=e.pmremVersion,s.set(e,i)}return i.texture}class Mf extends ci{static get type(){return"PMREMNode"}constructor(e,t=null,r=null){super("vec3"),this._value=e,this._pmrem=null,this.uvNode=t,this.levelNode=r,this._generator=null;const s=new N;s.isRenderTargetTexture=!0,this._texture=Pl(s),this._width=_a(0),this._height=_a(0),this._maxMip=_a(0),this.updateBeforeType=Js.RENDER}set value(e){this._value=e,this._pmrem=null}get value(){return this._value}updateFromTexture(e){const t=function(e){const t=Math.log2(e)-2,r=1/e;return{texelWidth:1/(3*Math.max(Math.pow(2,t),112)),texelHeight:r,maxMip:t}}(e.image.height);this._texture.value=e,this._width.value=t.texelWidth,this._height.value=t.texelHeight,this._maxMip.value=t.maxMip}updateBefore(e){let t=this._pmrem;const r=t?t.pmremVersion:-1,s=this._value;r!==s.pmremVersion&&(t=!0===s.isPMREMTexture?s:Cf(s,e.renderer,this._generator),null!==t&&(this._pmrem=t,this.updateFromTexture(t)))}setup(e){null===this._generator&&(this._generator=new vf(e.renderer)),this.updateBefore(e);let t=this.uvNode;null===t&&e.context.getUV&&(t=e.context.getUV(this,e)),t=_c.mul(vn(t.x,t.y.negate(),t.z));let r=this.levelNode;return null===r&&e.context.getTextureLevel&&(r=e.context.getTextureLevel(this)),ef(this._texture,t,r,this._width,this._height,this._maxMip)}dispose(){super.dispose(),null!==this._generator&&this._generator.dispose()}}const Bf=rn(Mf).setParameterLength(1,3),Ff=new WeakMap;class Lf extends Bp{static get type(){return"EnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){const{material:t}=e;let r=this.envNode;if(r.isTextureNode||r.isMaterialReferenceNode){const s=r.isTextureNode?r.value:t[r.property],i=this._getPMREMNodeCache(e.renderer);let n=i.get(s);void 0===n&&(n=Bf(s),i.set(s,n)),r=n}const s=!0===t.useAnisotropy||t.anisotropy>0?oh:lc,i=r.context(Pf(Gn,s)).mul(Tc),n=r.context(Df(dc)).mul(Math.PI).mul(Tc),a=al(i),o=al(n);e.context.radiance.addAssign(a),e.context.iblIrradiance.addAssign(o);const u=e.context.lightingModel.clearcoatRadiance;if(u){const e=r.context(Pf(Wn,cc)).mul(Tc),t=al(e);u.addAssign(t)}}_getPMREMNodeCache(e){let t=Ff.get(e);return void 0===t&&(t=new WeakMap,Ff.set(e,t)),t}}const Pf=(e,t)=>{let r=null;return{getUV:()=>(null===r&&(r=Jd.negate().reflect(t),r=tu(e).mix(r,t).normalize(),r=r.transformDirection(Td)),r),getTextureLevel:()=>e}},Df=e=>({getUV:()=>e,getTextureLevel:()=>gn(1)}),Uf=new Ae;class If extends pg{static get type(){return"MeshStandardNodeMaterial"}constructor(e){super(),this.isMeshStandardNodeMaterial=!0,this.lights=!0,this.emissiveNode=null,this.metalnessNode=null,this.roughnessNode=null,this.setDefaultValues(Uf),this.setValues(e)}setupEnvironment(e){let t=super.setupEnvironment(e);return null===t&&e.environmentNode&&(t=e.environmentNode),t?new Lf(t):null}setupLightingModel(){return new Im}setupSpecular(){const e=nu(vn(.04),On.rgb,zn);ea.assign(vn(.04)),ta.assign(e),ra.assign(1)}setupVariants(){const e=this.metalnessNode?gn(this.metalnessNode):Ch;zn.assign(e);let t=this.roughnessNode?gn(this.roughnessNode):wh;t=Hg({roughness:t}),Gn.assign(t),this.setupSpecular(),Vn.assign(On.rgb.mul(e.oneMinus()))}copy(e){return this.emissiveNode=e.emissiveNode,this.metalnessNode=e.metalnessNode,this.roughnessNode=e.roughnessNode,super.copy(e)}}const Of=new we;class Vf extends If{static get type(){return"MeshPhysicalNodeMaterial"}constructor(e){super(),this.isMeshPhysicalNodeMaterial=!0,this.clearcoatNode=null,this.clearcoatRoughnessNode=null,this.clearcoatNormalNode=null,this.sheenNode=null,this.sheenRoughnessNode=null,this.iridescenceNode=null,this.iridescenceIORNode=null,this.iridescenceThicknessNode=null,this.specularIntensityNode=null,this.specularColorNode=null,this.iorNode=null,this.transmissionNode=null,this.thicknessNode=null,this.attenuationDistanceNode=null,this.attenuationColorNode=null,this.dispersionNode=null,this.anisotropyNode=null,this.setDefaultValues(Of),this.setValues(e)}get useClearcoat(){return this.clearcoat>0||null!==this.clearcoatNode}get useIridescence(){return this.iridescence>0||null!==this.iridescenceNode}get useSheen(){return this.sheen>0||null!==this.sheenNode}get useAnisotropy(){return this.anisotropy>0||null!==this.anisotropyNode}get useTransmission(){return this.transmission>0||null!==this.transmissionNode}get useDispersion(){return this.dispersion>0||null!==this.dispersionNode}setupSpecular(){const e=this.iorNode?gn(this.iorNode):$h;ua.assign(e),ea.assign(Wo(Jo(ua.sub(1).div(ua.add(1))).mul(Rh),vn(1)).mul(Sh)),ta.assign(nu(ea,On.rgb,zn)),ra.assign(nu(Sh,1,zn))}setupLightingModel(){return new Im(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion)}setupVariants(e){if(super.setupVariants(e),this.useClearcoat){const e=this.clearcoatNode?gn(this.clearcoatNode):Bh,t=this.clearcoatRoughnessNode?gn(this.clearcoatRoughnessNode):Fh;$n.assign(e),Wn.assign(Hg({roughness:t}))}if(this.useSheen){const e=this.sheenNode?vn(this.sheenNode):Dh,t=this.sheenRoughnessNode?gn(this.sheenRoughnessNode):Uh;Hn.assign(e),qn.assign(t)}if(this.useIridescence){const e=this.iridescenceNode?gn(this.iridescenceNode):Oh,t=this.iridescenceIORNode?gn(this.iridescenceIORNode):Vh,r=this.iridescenceThicknessNode?gn(this.iridescenceThicknessNode):kh;jn.assign(e),Xn.assign(t),Kn.assign(r)}if(this.useAnisotropy){const e=(this.anisotropyNode?bn(this.anisotropyNode):Ih).toVar();Qn.assign(e.length()),cn(Qn.equal(0),()=>{e.assign(bn(1,0))}).Else(()=>{e.divAssign(bn(Qn)),Qn.assign(Qn.saturate())}),Yn.assign(Qn.pow2().mix(Gn.pow2(),1)),Zn.assign(nh[0].mul(e.x).add(nh[1].mul(e.y))),Jn.assign(nh[1].mul(e.x).sub(nh[0].mul(e.y)))}if(this.useTransmission){const e=this.transmissionNode?gn(this.transmissionNode):Gh,t=this.thicknessNode?gn(this.thicknessNode):zh,r=this.attenuationDistanceNode?gn(this.attenuationDistanceNode):Wh,s=this.attenuationColorNode?vn(this.attenuationColorNode):Hh;if(la.assign(e),da.assign(t),ca.assign(r),ha.assign(s),this.useDispersion){const e=this.dispersionNode?gn(this.dispersionNode):Zh;pa.assign(e)}}}setupClearcoatNormal(){return this.clearcoatNormalNode?vn(this.clearcoatNormalNode):Lh}setup(e){e.context.setupClearcoatNormal=()=>Fu(this.setupClearcoatNormal(e),"NORMAL","vec3"),super.setup(e)}copy(e){return this.clearcoatNode=e.clearcoatNode,this.clearcoatRoughnessNode=e.clearcoatRoughnessNode,this.clearcoatNormalNode=e.clearcoatNormalNode,this.sheenNode=e.sheenNode,this.sheenRoughnessNode=e.sheenRoughnessNode,this.iridescenceNode=e.iridescenceNode,this.iridescenceIORNode=e.iridescenceIORNode,this.iridescenceThicknessNode=e.iridescenceThicknessNode,this.specularIntensityNode=e.specularIntensityNode,this.specularColorNode=e.specularColorNode,this.iorNode=e.iorNode,this.transmissionNode=e.transmissionNode,this.thicknessNode=e.thicknessNode,this.attenuationDistanceNode=e.attenuationDistanceNode,this.attenuationColorNode=e.attenuationColorNode,this.dispersionNode=e.dispersionNode,this.anisotropyNode=e.anisotropyNode,super.copy(e)}}class kf extends Im{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1,a=!1){super(e,t,r,s,i,n),this.useSSS=a}direct({lightDirection:e,lightColor:t,reflectedLight:r},s){if(!0===this.useSSS){const i=s.material,{thicknessColorNode:n,thicknessDistortionNode:a,thicknessAmbientNode:o,thicknessAttenuationNode:u,thicknessPowerNode:l,thicknessScaleNode:d}=i,c=e.add(lc.mul(a)).normalize(),h=gn(Jd.dot(c.negate()).saturate().pow(l).mul(d)),p=vn(h.add(o).mul(n));r.directDiffuse.addAssign(p.mul(u.mul(t)))}super.direct({lightDirection:e,lightColor:t,reflectedLight:r},s)}}class Gf extends Vf{static get type(){return"MeshSSSNodeMaterial"}constructor(e){super(e),this.thicknessColorNode=null,this.thicknessDistortionNode=gn(.1),this.thicknessAmbientNode=gn(0),this.thicknessAttenuationNode=gn(.1),this.thicknessPowerNode=gn(2),this.thicknessScaleNode=gn(10)}get useSSS(){return null!==this.thicknessColorNode}setupLightingModel(){return new kf(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion,this.useSSS)}copy(e){return this.thicknessColorNode=e.thicknessColorNode,this.thicknessDistortionNode=e.thicknessDistortionNode,this.thicknessAmbientNode=e.thicknessAmbientNode,this.thicknessAttenuationNode=e.thicknessAttenuationNode,this.thicknessPowerNode=e.thicknessPowerNode,this.thicknessScaleNode=e.thicknessScaleNode,super.copy(e)}}const zf=un(({normal:e,lightDirection:t,builder:r})=>{const s=e.dot(t),i=bn(s.mul(.5).add(.5),0);if(r.material.gradientMap){const e=Dc("gradientMap","texture").context({getUV:()=>i});return vn(e.r)}{const e=i.fwidth().mul(.5);return nu(vn(.7),vn(1),lu(gn(.7).sub(e.x),gn(.7).add(e.x),i.x))}});class $f extends Bg{direct({lightDirection:e,lightColor:t,reflectedLight:r},s){const i=zf({normal:ic,lightDirection:e,builder:s}).mul(t);r.directDiffuse.addAssign(i.mul(Ug({diffuseColor:On.rgb})))}indirect(e){const{ambientOcclusion:t,irradiance:r,reflectedLight:s}=e.context;s.indirectDiffuse.addAssign(r.mul(Ug({diffuseColor:On}))),s.indirectDiffuse.mulAssign(t)}}const Wf=new Ce;class Hf extends pg{static get type(){return"MeshToonNodeMaterial"}constructor(e){super(),this.isMeshToonNodeMaterial=!0,this.lights=!0,this.setDefaultValues(Wf),this.setValues(e)}setupLightingModel(){return new $f}}const qf=un(()=>{const e=vn(Jd.z,0,Jd.x.negate()).normalize(),t=Jd.cross(e);return bn(e.dot(lc),t.dot(lc)).mul(.495).add(.5)}).once(["NORMAL","VERTEX"])().toVar("matcapUV"),jf=new Me;class Xf extends pg{static get type(){return"MeshMatcapNodeMaterial"}constructor(e){super(),this.isMeshMatcapNodeMaterial=!0,this.setDefaultValues(jf),this.setValues(e)}setupVariants(e){const t=qf;let r;r=e.material.matcap?Dc("matcap","texture").context({getUV:()=>t}):vn(nu(.2,.8,t.y)),On.rgb.mulAssign(r.rgb)}}class Kf extends ci{static get type(){return"RotateNode"}constructor(e,t){super(),this.positionNode=e,this.rotationNode=t}getNodeType(e){return this.positionNode.getNodeType(e)}setup(e){const{rotationNode:t,positionNode:r}=this;if("vec2"===this.getNodeType(e)){const e=t.cos(),s=t.sin();return Mn(e,s,s.negate(),e).mul(r)}{const e=t,s=Fn(En(1,0,0,0),En(0,Ro(e.x),So(e.x).negate(),0),En(0,So(e.x),Ro(e.x),0),En(0,0,0,1)),i=Fn(En(Ro(e.y),0,So(e.y),0),En(0,1,0,0),En(So(e.y).negate(),0,Ro(e.y),0),En(0,0,0,1)),n=Fn(En(Ro(e.z),So(e.z).negate(),0,0),En(So(e.z),Ro(e.z),0,0),En(0,0,1,0),En(0,0,0,1));return s.mul(i).mul(n).mul(En(r,1)).xyz}}}const Yf=rn(Kf).setParameterLength(2),Qf=new Be;class Zf extends pg{static get type(){return"SpriteNodeMaterial"}constructor(e){super(),this.isSpriteNodeMaterial=!0,this._useSizeAttenuation=!0,this.positionNode=null,this.rotationNode=null,this.scaleNode=null,this.transparent=!0,this.setDefaultValues(Qf),this.setValues(e)}setupPositionView(e){const{object:t,camera:r}=e,{positionNode:s,rotationNode:i,scaleNode:n,sizeAttenuation:a}=this,o=zd.mul(vn(s||0));let u=bn(Dd[0].xyz.length(),Dd[1].xyz.length());null!==n&&(u=u.mul(bn(n))),r.isPerspectiveCamera&&!1===a&&(u=u.mul(o.z.negate()));let l=jd.xy;if(t.center&&!0===t.center.isVector2){const e=((e,t,r)=>new $u(e,t,r))("center","vec2",t);l=l.sub(e.sub(.5))}l=l.mul(u);const d=gn(i||Ph),c=Yf(l,d);return En(o.xy.add(c),o.zw)}copy(e){return this.positionNode=e.positionNode,this.rotationNode=e.rotationNode,this.scaleNode=e.scaleNode,super.copy(e)}get sizeAttenuation(){return this._useSizeAttenuation}set sizeAttenuation(e){this._useSizeAttenuation!==e&&(this._useSizeAttenuation=e,this.needsUpdate=!0)}}const Jf=new Fe,ey=new t;class ty extends Zf{static get type(){return"PointsNodeMaterial"}constructor(e){super(),this.sizeNode=null,this.isPointsNodeMaterial=!0,this.setDefaultValues(Jf),this.setValues(e)}setupPositionView(){const{positionNode:e}=this;return zd.mul(vn(e||Xd)).xyz}setupVertexSprite(e){const{material:t,camera:r}=e,{rotationNode:s,scaleNode:i,sizeNode:n,sizeAttenuation:a}=this;let o=super.setupVertex(e);if(!0!==t.isNodeMaterial)return o;let u=null!==n?bn(n):Qh;u=u.mul(ql),r.isPerspectiveCamera&&!0===a&&(u=u.mul(ry.div(Zd.z.negate()))),i&&i.isNode&&(u=u.mul(bn(i)));let l=jd.xy;if(s&&s.isNode){const e=gn(s);l=Yf(l,e)}return l=l.mul(u),l=l.div(Ql.div(2)),l=l.mul(o.w),o=o.add(En(l,0,0)),o}setupVertex(e){return e.object.isPoints?super.setupVertex(e):this.setupVertexSprite(e)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}const ry=_a(1).onFrameUpdate(function({renderer:e}){const t=e.getSize(ey);this.value=.5*t.y});class sy extends Bg{constructor(){super(),this.shadowNode=gn(1).toVar("shadowMask")}direct({lightNode:e}){null!==e.shadowNode&&this.shadowNode.mulAssign(e.shadowNode)}finish({context:e}){On.a.mulAssign(this.shadowNode.oneMinus()),e.outgoingLight.rgb.assign(On.rgb)}}const iy=new Le;class ny extends pg{static get type(){return"ShadowNodeMaterial"}constructor(e){super(),this.isShadowNodeMaterial=!0,this.lights=!0,this.transparent=!0,this.setDefaultValues(iy),this.setValues(e)}setupLightingModel(){return new sy}}const ay=Un("vec3"),oy=Un("vec3"),uy=Un("vec3");class ly extends Bg{constructor(){super()}start(e){const{material:t}=e,r=Un("vec3"),s=Un("vec3");cn(Nd.sub(Yd).length().greaterThan(Vd.mul(2)),()=>{r.assign(Nd),s.assign(Yd)}).Else(()=>{r.assign(Yd),s.assign(Nd)});const i=s.sub(r),n=_a("int").onRenderUpdate(({material:e})=>e.steps),a=i.length().div(n).toVar(),o=i.normalize().toVar(),u=gn(0).toVar(),l=vn(1).toVar();t.offsetNode&&u.addAssign(t.offsetNode.mul(a)),Sp(n,()=>{const s=r.add(o.mul(u)),i=Td.mul(En(s,1)).xyz;let n;null!==t.depthNode&&(oy.assign(Zp(jp(i.z,fd,yd))),e.context.sceneDepthNode=Zp(t.depthNode).toVar()),e.context.positionWorld=s,e.context.shadowPositionWorld=s,e.context.positionView=i,ay.assign(0),t.scatteringNode&&(n=t.scatteringNode({positionRay:s})),super.start(e),n&&ay.mulAssign(n);const d=ay.mul(.01).negate().mul(a).exp();l.mulAssign(d),u.addAssign(a)}),uy.addAssign(l.saturate().oneMinus())}scatteringLight(e,t){const r=t.context.sceneDepthNode;r?cn(r.greaterThanEqual(oy),()=>{ay.addAssign(e)}):ay.addAssign(e)}direct({lightNode:e,lightColor:t},r){if(void 0===e.light.distance)return;const s=t.xyz.toVar();s.mulAssign(e.shadowNode),this.scatteringLight(s,r)}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s},i){const n=t.add(r).sub(s),a=t.sub(r).sub(s),o=t.sub(r).add(s),u=t.add(r).add(s),l=i.context.positionView,d=e.xyz.mul(cm({P:l,p0:n,p1:a,p2:o,p3:u})).pow(1.5);this.scatteringLight(d,i)}finish(e){e.context.outgoingLight.assign(uy)}}class dy extends pg{static get type(){return"VolumeNodeMaterial"}constructor(e){super(),this.isVolumeNodeMaterial=!0,this.steps=25,this.offsetNode=null,this.scatteringNode=null,this.lights=!0,this.transparent=!0,this.side=M,this.depthTest=!1,this.depthWrite=!1,this.setValues(e)}setupLightingModel(){return new ly}}class cy{constructor(e,t,r){this.renderer=e,this.nodes=t,this.info=r,this._context="undefined"!=typeof self?self:null,this._animationLoop=null,this._requestId=null}start(){const e=(t,r)=>{this._requestId=this._context.requestAnimationFrame(e),!0===this.info.autoReset&&this.info.reset(),this.nodes.nodeFrame.update(),this.info.frame=this.nodes.nodeFrame.frameId,this.renderer._inspector.begin(),null!==this._animationLoop&&this._animationLoop(t,r),this.renderer._inspector.finish()};e()}stop(){this._context.cancelAnimationFrame(this._requestId),this._requestId=null}getAnimationLoop(){return this._animationLoop}setAnimationLoop(e){this._animationLoop=e}getContext(){return this._context}setContext(e){this._context=e}dispose(){this.stop()}}class hy{constructor(){this.weakMaps={}}_getWeakMap(e){const t=e.length;let r=this.weakMaps[t];return void 0===r&&(r=new WeakMap,this.weakMaps[t]=r),r}get(e){let t=this._getWeakMap(e);for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return;return t.get(e[e.length-1])}set(e,t){let r=this._getWeakMap(e);for(let t=0;t<e.length-1;t++){const s=e[t];!1===r.has(s)&&r.set(s,new WeakMap),r=r.get(s)}return r.set(e[e.length-1],t),this}delete(e){let t=this._getWeakMap(e);for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return!1;return t.delete(e[e.length-1])}}let py=0;class gy{constructor(e,t,r,s,i,n,a,o,u,l){this.id=py++,this._nodes=e,this._geometries=t,this.renderer=r,this.object=s,this.material=i,this.scene=n,this.camera=a,this.lightsNode=o,this.context=u,this.geometry=s.geometry,this.version=i.version,this.drawRange=null,this.attributes=null,this.attributesId=null,this.pipeline=null,this.group=null,this.vertexBuffers=null,this.drawParams=null,this.bundle=null,this.clippingContext=l,this.clippingContextCacheKey=null!==l?l.cacheKey:"",this.initialNodesCacheKey=this.getDynamicCacheKey(),this.initialCacheKey=this.getCacheKey(),this._nodeBuilderState=null,this._bindings=null,this._monitor=null,this.onDispose=null,this.isRenderObject=!0,this.onMaterialDispose=()=>{this.dispose()},this.onGeometryDispose=()=>{this.attributes=null,this.attributesId=null},this.material.addEventListener("dispose",this.onMaterialDispose),this.geometry.addEventListener("dispose",this.onGeometryDispose)}updateClipping(e){this.clippingContext=e}get clippingNeedsUpdate(){return null!==this.clippingContext&&this.clippingContext.cacheKey!==this.clippingContextCacheKey&&(this.clippingContextCacheKey=this.clippingContext.cacheKey,!0)}get hardwareClippingPlanes(){return!0===this.material.hardwareClipping?this.clippingContext.unionClippingCount:0}getNodeBuilderState(){return this._nodeBuilderState||(this._nodeBuilderState=this._nodes.getForRender(this))}getMonitor(){return this._monitor||(this._monitor=this.getNodeBuilderState().observer)}getBindings(){return this._bindings||(this._bindings=this.getNodeBuilderState().createBindings())}getBindingGroup(e){for(const t of this.getBindings())if(t.name===e)return t}getIndex(){return this._geometries.getIndex(this)}getIndirect(){return this._geometries.getIndirect(this)}getIndirectOffset(){return this._geometries.getIndirectOffset(this)}getChainArray(){return[this.object,this.material,this.context,this.lightsNode]}setGeometry(e){this.geometry=e,this.attributes=null,this.attributesId=null}getAttributes(){if(null!==this.attributes)return this.attributes;const e=this.getNodeBuilderState().nodeAttributes,t=this.geometry,r=[],s=new Set,i={};for(const n of e){let e;if(n.node&&n.node.attribute?e=n.node.attribute:(e=t.getAttribute(n.name),i[n.name]=e.id),void 0===e)continue;r.push(e);const a=e.isInterleavedBufferAttribute?e.data:e;s.add(a)}return this.attributes=r,this.attributesId=i,this.vertexBuffers=Array.from(s.values()),r}getVertexBuffers(){return null===this.vertexBuffers&&this.getAttributes(),this.vertexBuffers}getDrawParameters(){const{object:e,material:t,geometry:r,group:s,drawRange:i}=this,n=this.drawParams||(this.drawParams={vertexCount:0,firstVertex:0,instanceCount:0,firstInstance:0}),a=this.getIndex(),o=null!==a;let u=1;if(!0===r.isInstancedBufferGeometry?u=r.instanceCount:void 0!==e.count&&(u=Math.max(0,e.count)),0===u)return null;if(n.instanceCount=u,!0===e.isBatchedMesh)return n;let l=1;!0!==t.wireframe||e.isPoints||e.isLineSegments||e.isLine||e.isLineLoop||(l=2);let d=i.start*l,c=(i.start+i.count)*l;null!==s&&(d=Math.max(d,s.start*l),c=Math.min(c,(s.start+s.count)*l));const h=r.attributes.position;let p=1/0;o?p=a.count:null!=h&&(p=h.count),d=Math.max(d,0),c=Math.min(c,p);const g=c-d;return g<0||g===1/0?null:(n.vertexCount=g,n.firstVertex=d,n)}getGeometryCacheKey(){const{geometry:e}=this;let t="";for(const r of Object.keys(e.attributes).sort()){const s=e.attributes[r];t+=r+",",s.data&&(t+=s.data.stride+","),s.offset&&(t+=s.offset+","),s.itemSize&&(t+=s.itemSize+","),s.normalized&&(t+="n,")}for(const r of Object.keys(e.morphAttributes).sort()){const s=e.morphAttributes[r];t+="morph-"+r+",";for(let e=0,r=s.length;e<r;e++){t+=s[e].id+","}}return e.index&&(t+="index,"),t}getMaterialCacheKey(){const{object:e,material:t,renderer:r}=this;let s=t.customProgramCacheKey();for(const e of function(e){const t=Object.keys(e);let r=Object.getPrototypeOf(e);for(;r;){const e=Object.getOwnPropertyDescriptors(r);for(const r in e)if(void 0!==e[r]){const s=e[r];s&&"function"==typeof s.get&&t.push(r)}r=Object.getPrototypeOf(r)}return t}(t)){if(/^(is[A-Z]|_)|^(visible|version|uuid|name|opacity|userData)$/.test(e))continue;const i=t[e];let n;if(null!==i){const e=typeof i;"number"===e?n=0!==i?"1":"0":"object"===e?(n="{",i.isTexture&&(n+=i.mapping,!0===r.backend.isWebGPUBackend&&(n+=i.magFilter,n+=i.minFilter,n+=i.wrapS,n+=i.wrapT,n+=i.wrapR)),n+="}"):n=String(i)}else n=String(i);s+=n+","}return s+=this.clippingContextCacheKey+",",e.geometry&&(s+=this.getGeometryCacheKey()),e.skeleton&&(s+=e.skeleton.bones.length+","),e.isBatchedMesh&&(s+=e._matricesTexture.uuid+",",null!==e._colorsTexture&&(s+=e._colorsTexture.uuid+",")),(e.isInstancedMesh||e.count>1||Array.isArray(e.morphTargetInfluences))&&(s+=e.uuid+","),s+=this.context.id+",",s+=e.receiveShadow+",",Us(s)}get needsGeometryUpdate(){if(this.geometry.id!==this.object.geometry.id)return!0;if(null!==this.attributes){const e=this.attributesId;for(const t in e){const r=this.geometry.getAttribute(t);if(void 0===r||e[t]!==r.id)return!0}}return!1}get needsUpdate(){return this.initialNodesCacheKey!==this.getDynamicCacheKey()||this.clippingNeedsUpdate}getDynamicCacheKey(){let e=0;return!0!==this.material.isShadowPassMaterial&&(e=this._nodes.getCacheKey(this.scene,this.lightsNode)),this.camera.isArrayCamera&&(e=Os(e,this.camera.cameras.length)),this.object.receiveShadow&&(e=Os(e,1)),e=Os(e,this.renderer.contextNode.id,this.renderer.contextNode.version),e}getCacheKey(){return this.getMaterialCacheKey()+this.getDynamicCacheKey()}dispose(){this.material.removeEventListener("dispose",this.onMaterialDispose),this.geometry.removeEventListener("dispose",this.onGeometryDispose),this.onDispose()}}const my=[];class fy{constructor(e,t,r,s,i,n){this.renderer=e,this.nodes=t,this.geometries=r,this.pipelines=s,this.bindings=i,this.info=n,this.chainMaps={}}get(e,t,r,s,i,n,a,o){const u=this.getChainMap(o);my[0]=e,my[1]=t,my[2]=n,my[3]=i;let l=u.get(my);return void 0===l?(l=this.createRenderObject(this.nodes,this.geometries,this.renderer,e,t,r,s,i,n,a,o),u.set(my,l)):(l.camera=s,l.updateClipping(a),l.needsGeometryUpdate&&l.setGeometry(e.geometry),(l.version!==t.version||l.needsUpdate)&&(l.initialCacheKey!==l.getCacheKey()?(l.dispose(),l=this.get(e,t,r,s,i,n,a,o)):l.version=t.version)),my[0]=null,my[1]=null,my[2]=null,my[3]=null,l}getChainMap(e="default"){return this.chainMaps[e]||(this.chainMaps[e]=new hy)}dispose(){this.chainMaps={}}createRenderObject(e,t,r,s,i,n,a,o,u,l,d){const c=this.getChainMap(d),h=new gy(e,t,r,s,i,n,a,o,u,l);return h.onDispose=()=>{this.pipelines.delete(h),this.bindings.deleteForRender(h),this.nodes.delete(h),c.delete(h.getChainArray())},h}}class yy{constructor(){this.data=new WeakMap}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}delete(e){let t=null;return this.data.has(e)&&(t=this.data.get(e),this.data.delete(e)),t}has(e){return this.data.has(e)}dispose(){this.data=new WeakMap}}const by=1,xy=2,Ty=3,_y=4,vy=16;class Ny extends yy{constructor(e){super(),this.backend=e}delete(e){const t=super.delete(e);return null!==t&&this.backend.destroyAttribute(e),t}update(e,t){const r=this.get(e);if(void 0===r.version)t===by?this.backend.createAttribute(e):t===xy?this.backend.createIndexAttribute(e):t===Ty?this.backend.createStorageAttribute(e):t===_y&&this.backend.createIndirectStorageAttribute(e),r.version=this._getBufferAttribute(e).version;else{const t=this._getBufferAttribute(e);(r.version<t.version||t.usage===x)&&(this.backend.updateAttribute(e),r.version=t.version)}}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}function Sy(e){return null!==e.index?e.index.version:e.attributes.position.version}function Ry(e){return null!==e.index?e.index.id:e.attributes.position.id}function Ey(e){const t=[],r=e.index,s=e.attributes.position;if(null!==r){const e=r.array;for(let r=0,s=e.length;r<s;r+=3){const s=e[r+0],i=e[r+1],n=e[r+2];t.push(s,i,i,n,n,s)}}else{for(let e=0,r=s.array.length/3-1;e<r;e+=3){const r=e+0,s=e+1,i=e+2;t.push(r,s,s,i,i,r)}}const i=new(s.count>=65535?Pe:De)(t,1);return i.version=Sy(e),i.__id=Ry(e),i}class Ay extends yy{constructor(e,t){super(),this.attributes=e,this.info=t,this.wireframes=new WeakMap,this.attributeCall=new WeakMap,this._geometryDisposeListeners=new Map}has(e){const t=e.geometry;return super.has(t)&&!0===this.get(t).initialized}updateForRender(e){!1===this.has(e)&&this.initGeometry(e),this.updateAttributes(e)}initGeometry(e){const t=e.geometry;this.get(t).initialized=!0,this.info.memory.geometries++;const r=()=>{this.info.memory.geometries--;const s=t.index,i=e.getAttributes();null!==s&&this.attributes.delete(s);for(const e of i)this.attributes.delete(e);const n=this.wireframes.get(t);void 0!==n&&this.attributes.delete(n),t.removeEventListener("dispose",r),this._geometryDisposeListeners.delete(t)};t.addEventListener("dispose",r),this._geometryDisposeListeners.set(t,r)}updateAttributes(e){const t=e.getAttributes();for(const e of t)e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute?this.updateAttribute(e,Ty):this.updateAttribute(e,by);const r=this.getIndex(e);null!==r&&this.updateAttribute(r,xy);const s=e.geometry.indirect;null!==s&&this.updateAttribute(s,_y)}updateAttribute(e,t){const r=this.info.render.calls;e.isInterleavedBufferAttribute?void 0===this.attributeCall.get(e)?(this.attributes.update(e,t),this.attributeCall.set(e,r)):this.attributeCall.get(e.data)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e.data,r),this.attributeCall.set(e,r)):this.attributeCall.get(e)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e,r))}getIndirect(e){return e.geometry.indirect}getIndirectOffset(e){return e.geometry.indirectOffset}getIndex(e){const{geometry:t,material:r}=e;let s=t.index;if(!0===r.wireframe){const e=this.wireframes;let r=e.get(t);void 0===r?(r=Ey(t),e.set(t,r)):r.version===Sy(t)&&r.__id===Ry(t)||(this.attributes.delete(r),r=Ey(t),e.set(t,r)),s=r}return s}dispose(){for(const[e,t]of this._geometryDisposeListeners.entries())e.removeEventListener("dispose",t);this._geometryDisposeListeners.clear()}}class wy{constructor(){this.autoReset=!0,this.frame=0,this.calls=0,this.render={calls:0,frameCalls:0,drawCalls:0,triangles:0,points:0,lines:0,timestamp:0},this.compute={calls:0,frameCalls:0,timestamp:0},this.memory={geometries:0,textures:0}}update(e,t,r){this.render.drawCalls++,e.isMesh||e.isSprite?this.render.triangles+=r*(t/3):e.isPoints?this.render.points+=r*t:e.isLineSegments?this.render.lines+=r*(t/2):e.isLine?this.render.lines+=r*(t-1):o("WebGPUInfo: Unknown object type.")}reset(){this.render.drawCalls=0,this.render.frameCalls=0,this.compute.frameCalls=0,this.render.triangles=0,this.render.points=0,this.render.lines=0}dispose(){this.reset(),this.calls=0,this.render.calls=0,this.compute.calls=0,this.render.timestamp=0,this.compute.timestamp=0,this.memory.geometries=0,this.memory.textures=0}}class Cy{constructor(e){this.cacheKey=e,this.usedTimes=0}}class My extends Cy{constructor(e,t,r){super(e),this.vertexProgram=t,this.fragmentProgram=r}}class By extends Cy{constructor(e,t){super(e),this.computeProgram=t,this.isComputePipeline=!0}}let Fy=0;class Ly{constructor(e,t,r,s=null,i=null){this.id=Fy++,this.code=e,this.stage=t,this.name=r,this.transforms=s,this.attributes=i,this.usedTimes=0}}class Py extends yy{constructor(e,t){super(),this.backend=e,this.nodes=t,this.bindings=null,this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}getForCompute(e,t){const{backend:r}=this,s=this.get(e);if(this._needsComputeUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.computeProgram.usedTimes--);const n=this.nodes.getForCompute(e);let a=this.programs.compute.get(n.computeShader);void 0===a&&(i&&0===i.computeProgram.usedTimes&&this._releaseProgram(i.computeProgram),a=new Ly(n.computeShader,"compute",e.name,n.transforms,n.nodeAttributes),this.programs.compute.set(n.computeShader,a),r.createProgram(a));const o=this._getComputeCacheKey(e,a);let u=this.caches.get(o);void 0===u&&(i&&0===i.usedTimes&&this._releasePipeline(i),u=this._getComputePipeline(e,a,o,t)),u.usedTimes++,a.usedTimes++,s.version=e.version,s.pipeline=u}return s.pipeline}getForRender(e,t=null){const{backend:r}=this,s=this.get(e);if(this._needsRenderUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.vertexProgram.usedTimes--,i.fragmentProgram.usedTimes--);const n=e.getNodeBuilderState(),a=e.material?e.material.name:"";let o=this.programs.vertex.get(n.vertexShader);void 0===o&&(i&&0===i.vertexProgram.usedTimes&&this._releaseProgram(i.vertexProgram),o=new Ly(n.vertexShader,"vertex",a),this.programs.vertex.set(n.vertexShader,o),r.createProgram(o));let u=this.programs.fragment.get(n.fragmentShader);void 0===u&&(i&&0===i.fragmentProgram.usedTimes&&this._releaseProgram(i.fragmentProgram),u=new Ly(n.fragmentShader,"fragment",a),this.programs.fragment.set(n.fragmentShader,u),r.createProgram(u));const l=this._getRenderCacheKey(e,o,u);let d=this.caches.get(l);void 0===d?(i&&0===i.usedTimes&&this._releasePipeline(i),d=this._getRenderPipeline(e,o,u,l,t)):e.pipeline=d,d.usedTimes++,o.usedTimes++,u.usedTimes++,s.pipeline=d}return s.pipeline}delete(e){const t=this.get(e).pipeline;return t&&(t.usedTimes--,0===t.usedTimes&&this._releasePipeline(t),t.isComputePipeline?(t.computeProgram.usedTimes--,0===t.computeProgram.usedTimes&&this._releaseProgram(t.computeProgram)):(t.fragmentProgram.usedTimes--,t.vertexProgram.usedTimes--,0===t.vertexProgram.usedTimes&&this._releaseProgram(t.vertexProgram),0===t.fragmentProgram.usedTimes&&this._releaseProgram(t.fragmentProgram))),super.delete(e)}dispose(){super.dispose(),this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}updateForRender(e){this.getForRender(e)}_getComputePipeline(e,t,r,s){r=r||this._getComputeCacheKey(e,t);let i=this.caches.get(r);return void 0===i&&(i=new By(r,t),this.caches.set(r,i),this.backend.createComputePipeline(i,s)),i}_getRenderPipeline(e,t,r,s,i){s=s||this._getRenderCacheKey(e,t,r);let n=this.caches.get(s);return void 0===n&&(n=new My(s,t,r),this.caches.set(s,n),e.pipeline=n,this.backend.createRenderPipeline(e,i)),n}_getComputeCacheKey(e,t){return e.id+","+t.id}_getRenderCacheKey(e,t,r){return t.id+","+r.id+","+this.backend.getRenderCacheKey(e)}_releasePipeline(e){this.caches.delete(e.cacheKey)}_releaseProgram(e){const t=e.code,r=e.stage;this.programs[r].delete(t)}_needsComputeUpdate(e){const t=this.get(e);return void 0===t.pipeline||t.version!==e.version}_needsRenderUpdate(e){return void 0===this.get(e).pipeline||this.backend.needsRenderUpdate(e)}}class Dy extends yy{constructor(e,t,r,s,i,n){super(),this.backend=e,this.textures=r,this.pipelines=i,this.attributes=s,this.nodes=t,this.info=n,this.pipelines.bindings=this}getForRender(e){const t=e.getBindings();for(const e of t){const r=this.get(e);void 0===r.bindGroup&&(this._init(e),this.backend.createBindings(e,t,0),r.bindGroup=e)}return t}getForCompute(e){const t=this.nodes.getForCompute(e).bindings;for(const e of t){const r=this.get(e);void 0===r.bindGroup&&(this._init(e),this.backend.createBindings(e,t,0),r.bindGroup=e)}return t}updateForCompute(e){this._updateBindings(this.getForCompute(e))}updateForRender(e){this._updateBindings(this.getForRender(e))}deleteForCompute(e){const t=this.nodes.getForCompute(e).bindings;for(const e of t)this.backend.deleteBindGroupData(e),this.delete(e)}deleteForRender(e){const t=e.getBindings();for(const e of t)this.backend.deleteBindGroupData(e),this.delete(e)}_updateBindings(e){for(const t of e)this._update(t,e)}_init(e){for(const t of e.bindings)if(t.isSampledTexture)this.textures.updateTexture(t.texture);else if(t.isSampler)this.textures.updateSampler(t.texture);else if(t.isStorageBuffer){const e=t.attribute,r=e.isIndirectStorageBufferAttribute?_y:Ty;this.attributes.update(e,r)}}_update(e,t){const{backend:r}=this;let s=!1,i=!0,n=0,a=0;for(const t of e.bindings){if(!1!==this.nodes.updateGroup(t)){if(t.isStorageBuffer){const e=t.attribute,i=e.isIndirectStorageBufferAttribute?_y:Ty,n=r.get(t);this.attributes.update(e,i),n.attribute!==e&&(n.attribute=e,s=!0)}if(t.isUniformBuffer){t.update()&&r.updateBinding(t)}else if(t.isSampledTexture){const e=t.update(),o=t.texture,u=this.textures.get(o);e&&(this.textures.updateTexture(o),t.generation!==u.generation&&(t.generation=u.generation,s=!0,i=!1));if(void 0!==r.get(o).externalTexture||u.isDefaultTexture?i=!1:(n=10*n+o.id,a+=o.version),!0===o.isStorageTexture&&!0===o.mipmapsAutoUpdate){const e=this.get(o);!0===t.store?e.needsMipmap=!0:this.textures.needsMipmaps(o)&&!0===e.needsMipmap&&(this.backend.generateMipmaps(o),e.needsMipmap=!1)}}else if(t.isSampler){if(t.update()){const e=this.textures.updateSampler(t.texture);t.samplerKey!==e&&(t.samplerKey=e,s=!0,i=!1)}}t.isBuffer&&t.updateRanges.length>0&&t.clearUpdateRanges()}}!0===s&&this.backend.updateBindings(e,t,i?n:0,a)}}function Uy(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?e.z-t.z:e.id-t.id}function Iy(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?t.z-e.z:e.id-t.id}function Oy(e){return(e.transmission>0||e.transmissionNode&&e.transmissionNode.isNode)&&e.side===B&&!1===e.forceSinglePass}class Vy{constructor(e,t,r){this.renderItems=[],this.renderItemsIndex=0,this.opaque=[],this.transparentDoublePass=[],this.transparent=[],this.bundles=[],this.lightsNode=e.getNode(t,r),this.lightsArray=[],this.scene=t,this.camera=r,this.occlusionQueryCount=0}begin(){return this.renderItemsIndex=0,this.opaque.length=0,this.transparentDoublePass.length=0,this.transparent.length=0,this.bundles.length=0,this.lightsArray.length=0,this.occlusionQueryCount=0,this}getNextRenderItem(e,t,r,s,i,n,a){let o=this.renderItems[this.renderItemsIndex];return void 0===o?(o={id:e.id,object:e,geometry:t,material:r,groupOrder:s,renderOrder:e.renderOrder,z:i,group:n,clippingContext:a},this.renderItems[this.renderItemsIndex]=o):(o.id=e.id,o.object=e,o.geometry=t,o.material=r,o.groupOrder=s,o.renderOrder=e.renderOrder,o.z=i,o.group=n,o.clippingContext=a),this.renderItemsIndex++,o}push(e,t,r,s,i,n,a){const o=this.getNextRenderItem(e,t,r,s,i,n,a);!0===e.occlusionTest&&this.occlusionQueryCount++,!0===r.transparent||r.transmission>0||r.transmissionNode&&r.transmissionNode.isNode||r.backdropNode&&r.backdropNode.isNode?(Oy(r)&&this.transparentDoublePass.push(o),this.transparent.push(o)):this.opaque.push(o)}unshift(e,t,r,s,i,n,a){const o=this.getNextRenderItem(e,t,r,s,i,n,a);!0===r.transparent||r.transmission>0||r.transmissionNode&&r.transmissionNode.isNode||r.backdropNode&&r.backdropNode.isNode?(Oy(r)&&this.transparentDoublePass.unshift(o),this.transparent.unshift(o)):this.opaque.unshift(o)}pushBundle(e){this.bundles.push(e)}pushLight(e){this.lightsArray.push(e)}sort(e,t){this.opaque.length>1&&this.opaque.sort(e||Uy),this.transparentDoublePass.length>1&&this.transparentDoublePass.sort(t||Iy),this.transparent.length>1&&this.transparent.sort(t||Iy)}finish(){this.lightsNode.setLights(this.lightsArray);for(let e=this.renderItemsIndex,t=this.renderItems.length;e<t;e++){const t=this.renderItems[e];if(null===t.id)break;t.id=null,t.object=null,t.geometry=null,t.material=null,t.groupOrder=null,t.renderOrder=null,t.z=null,t.group=null,t.clippingContext=null}}}const ky=[];class Gy{constructor(e){this.lighting=e,this.lists=new hy}get(e,t){const r=this.lists;ky[0]=e,ky[1]=t;let s=r.get(ky);return void 0===s&&(s=new Vy(this.lighting,e,t),r.set(ky,s)),ky[0]=null,ky[1]=null,s}dispose(){this.lists=new hy}}let zy=0;class $y{constructor(){this.id=zy++,this.mrt=null,this.color=!0,this.clearColor=!0,this.clearColorValue={r:0,g:0,b:0,a:1},this.depth=!0,this.clearDepth=!0,this.clearDepthValue=1,this.stencil=!1,this.clearStencil=!0,this.clearStencilValue=1,this.viewport=!1,this.viewportValue=new s,this.scissor=!1,this.scissorValue=new s,this.renderTarget=null,this.textures=null,this.depthTexture=null,this.activeCubeFace=0,this.activeMipmapLevel=0,this.sampleCount=1,this.width=0,this.height=0,this.occlusionQueryCount=0,this.clippingContext=null,this.camera=null,this.isRenderContext=!0}getCacheKey(){return Wy(this)}}function Wy(e){const{textures:t,activeCubeFace:r,activeMipmapLevel:s}=e,i=[r,s];for(const e of t)i.push(e.id);return Is(i)}class Hy{constructor(){this._renderContexts={}}get(e=null,t=null,r=0){let s;if(null===e)s="default";else{const t=e.texture.format,r=e.texture.type;s=`${e.textures.length}:${t}:${r}:${e.samples}:${e.depthBuffer}:${e.stencilBuffer}`}const i=s+"-"+(null!==t?t.id:"default")+"-"+r;let n=this._renderContexts[i];return void 0===n&&(n=new $y,n.mrt=t,this._renderContexts[i]=n),null!==e&&(n.sampleCount=0===e.samples?1:e.samples),n}dispose(){this._renderContexts={}}}const qy=new r;class jy extends yy{constructor(e,t,r){super(),this.renderer=e,this.backend=t,this.info=r}updateRenderTarget(e,t=0){const r=this.get(e),s=0===e.samples?1:e.samples,i=r.depthTextureMips||(r.depthTextureMips={}),n=e.textures,a=this.getSize(n[0]),o=a.width>>t,u=a.height>>t;let l=e.depthTexture||i[t];const d=!0===e.depthBuffer||!0===e.stencilBuffer;let c=!1;void 0===l&&d&&(l=new Y,l.format=e.stencilBuffer?Ue:Ie,l.type=e.stencilBuffer?Oe:S,l.image.width=o,l.image.height=u,l.image.depth=a.depth,l.renderTarget=e,l.isArrayTexture=!0===e.multiview&&a.depth>1,i[t]=l),r.width===a.width&&a.height===r.height||(c=!0,l&&(l.needsUpdate=!0,l.image.width=o,l.image.height=u,l.image.depth=l.isArrayTexture?l.image.depth:1)),r.width=a.width,r.height=a.height,r.textures=n,r.depthTexture=l||null,r.depth=e.depthBuffer,r.stencil=e.stencilBuffer,r.renderTarget=e,r.sampleCount!==s&&(c=!0,l&&(l.needsUpdate=!0),r.sampleCount=s);const h={sampleCount:s};if(!0!==e.isXRRenderTarget){for(let e=0;e<n.length;e++){const t=n[e];c&&(t.needsUpdate=!0),this.updateTexture(t,h)}l&&this.updateTexture(l,h)}!0!==r.initialized&&(r.initialized=!0,r.onDispose=()=>{this._destroyRenderTarget(e)},e.addEventListener("dispose",r.onDispose))}updateTexture(e,t={}){const r=this.get(e);if(!0===r.initialized&&r.version===e.version)return;const s=e.isRenderTargetTexture||e.isDepthTexture||e.isFramebufferTexture,i=this.backend;if(s&&!0===r.initialized&&i.destroyTexture(e),e.isFramebufferTexture){const t=this.renderer.getRenderTarget();e.type=t?t.texture.type:Ve}const{width:n,height:a,depth:o}=this.getSize(e);if(t.width=n,t.height=a,t.depth=o,t.needsMipmaps=this.needsMipmaps(e),t.levels=t.needsMipmaps?this.getMipLevels(e,n,a):1,e.isCubeTexture&&e.mipmaps.length>0&&t.levels++,s||!0===e.isStorageTexture||!0===e.isExternalTexture)i.createTexture(e,t),r.generation=e.version;else if(e.version>0){const s=e.image;if(void 0===s)d("Renderer: Texture marked for update but image is undefined.");else if(!1===s.complete)d("Renderer: Texture marked for update but image is incomplete.");else{if(e.images){const r=[];for(const t of e.images)r.push(t);t.images=r}else t.image=s;void 0!==r.isDefaultTexture&&!0!==r.isDefaultTexture||(i.createTexture(e,t),r.isDefaultTexture=!1,r.generation=e.version),!0===e.source.dataReady&&i.updateTexture(e,t);const n=!0===e.isStorageTexture&&!1===e.mipmapsAutoUpdate;t.needsMipmaps&&0===e.mipmaps.length&&!n&&i.generateMipmaps(e),e.onUpdate&&e.onUpdate(e)}}else i.createDefaultTexture(e),r.isDefaultTexture=!0,r.generation=e.version;!0!==r.initialized&&(r.initialized=!0,r.generation=e.version,this.info.memory.textures++,e.isVideoTexture&&!0===p.enabled&&p.getTransfer(e.colorSpace)!==g&&d("WebGPURenderer: Video textures must use a color space with a sRGB transfer function, e.g. SRGBColorSpace."),r.onDispose=()=>{this._destroyTexture(e)},e.addEventListener("dispose",r.onDispose)),r.version=e.version}updateSampler(e){return this.backend.updateSampler(e)}getSize(e,t=qy){let r=e.images?e.images[0]:e.image;return r?(void 0!==r.image&&(r=r.image),"undefined"!=typeof HTMLVideoElement&&r instanceof HTMLVideoElement?(t.width=r.videoWidth||1,t.height=r.videoHeight||1,t.depth=1):"undefined"!=typeof VideoFrame&&r instanceof VideoFrame?(t.width=r.displayWidth||1,t.height=r.displayHeight||1,t.depth=1):(t.width=r.width||1,t.height=r.height||1,t.depth=e.isCubeTexture?6:r.depth||1)):t.width=t.height=t.depth=1,t}getMipLevels(e,t,r){let s;return s=e.mipmaps.length>0?e.mipmaps.length:!0===e.isCompressedTexture?1:Math.floor(Math.log2(Math.max(t,r)))+1,s}needsMipmaps(e){return!0===e.generateMipmaps||e.mipmaps.length>0}_destroyRenderTarget(e){if(!0===this.has(e)){const t=this.get(e),r=t.textures,s=t.depthTexture;e.removeEventListener("dispose",t.onDispose);for(let e=0;e<r.length;e++)this._destroyTexture(r[e]);s&&this._destroyTexture(s),this.delete(e),this.backend.delete(e)}}_destroyTexture(e){if(!0===this.has(e)){const t=this.get(e);e.removeEventListener("dispose",t.onDispose);const r=t.isDefaultTexture;this.backend.destroyTexture(e,r),this.delete(e),this.info.memory.textures--}}}class Xy extends e{constructor(e,t,r,s=1){super(e,t,r),this.a=s}set(e,t,r,s=1){return this.a=s,super.set(e,t,r)}copy(e){return void 0!==e.a&&(this.a=e.a),super.copy(e)}clone(){return new this.constructor(this.r,this.g,this.b,this.a)}}class Ky extends Dn{static get type(){return"ParameterNode"}constructor(e,t=null){super(e,t),this.isParameterNode=!0}getMemberType(e,t){const r=this.getNodeType(e),s=e.getStructTypeNode(r);let i;return null!==s?i=s.getMemberType(e,t):(o(`TSL: Member "${t}" not found in struct "${r}".`,new Ps),i="float"),i}getHash(){return this.uuid}generate(){return this.name}}class Yy extends ui{static get type(){return"StackNode"}constructor(e=null){super(),this.nodes=[],this.outputNode=null,this.parent=e,this._currentCond=null,this._expressionNode=null,this._currentNode=null,this.isStackNode=!0}getElementType(e){return this.hasOutput(e)?this.outputNode.getElementType(e):"void"}getNodeType(e){return this.hasOutput(e)?this.outputNode.getNodeType(e):"void"}getMemberType(e,t){return this.hasOutput(e)?this.outputNode.getMemberType(e,t):"void"}addToStack(e,t=this.nodes.length){return!0!==e.isNode?(o("TSL: Invalid node added to stack.",new Ps),this):(this.nodes.splice(t,0,e),this)}addToStackBefore(e){const t=this._currentNode?this.nodes.indexOf(this._currentNode):0;return this.addToStack(e,t)}If(e,t){const r=new Qi(t);return this._currentCond=bu(e,r),this.addToStack(this._currentCond)}ElseIf(e,t){const r=new Qi(t),s=bu(e,r);return this._currentCond.elseNode=s,this._currentCond=s,this}Else(e){return this._currentCond.elseNode=new Qi(e),this}Switch(e){return this._expressionNode=Zi(e),this}Case(...e){const t=[];if(e.length>=2)for(let r=0;r<e.length-1;r++)t.push(this._expressionNode.equal(Zi(e[r])));else o("TSL: Invalid parameter length. Case() requires at least two parameters.",new Ps);const r=new Qi(e[e.length-1]);let s=t[0];for(let e=1;e<t.length;e++)s=s.or(t[e]);const i=bu(s,r);return null===this._currentCond?(this._currentCond=i,this.addToStack(this._currentCond)):(this._currentCond.elseNode=i,this._currentCond=i,this)}Default(e){return this.Else(e),this}setup(e){const t=e.getNodeProperties(this);let r=0;for(const s of this.getChildren())s.isVarNode&&s.isIntent(e)&&!0!==s.isAssign(e)||(t["node"+r++]=s);return t.outputNode||null}hasOutput(e){return this.outputNode&&this.outputNode.isNode&&"void"!==this.outputNode.getNodeType(e)}build(e,...t){const r=dn(),s=e.buildStage;ln(this),e.setActiveStack(this);const i=t=>{if(this._currentNode=t,!t.isVarNode||!t.isIntent(e)||!0===t.isAssign(e))if("setup"===s)t.build(e);else if("analyze"===s)t.build(e,this);else if("generate"===s){const r=e.getDataFromNode(t,"any").stages,s=r&&r[e.shaderStage];if(t.isVarNode&&s&&1===s.length&&s[0]&&s[0].isStackNode)return;t.build(e,"void")}},n=[...this.nodes];for(const e of n)i(e);this._currentNode=null;const a=this.nodes.filter(e=>-1===n.indexOf(e));for(const e of a)i(e);let o;return o=this.hasOutput(e)?this.outputNode.build(e,...t):super.build(e,...t),ln(r),e.removeActiveStack(this),o}}const Qy=rn(Yy).setParameterLength(0,1);class Zy extends ui{static get type(){return"StructTypeNode"}constructor(e,t=null){var r;super("struct"),this.membersLayout=(r=e,Object.entries(r).map(([e,t])=>"string"==typeof t?{name:e,type:t,atomic:!1}:{name:e,type:t.type,atomic:t.atomic||!1})),this.name=t,this.isStructLayoutNode=!0}getLength(){const e=Float32Array.BYTES_PER_ELEMENT;let t=1,r=0;for(const s of this.membersLayout){const i=s.type,n=Ws(i),a=Hs(i)/e;t=Math.max(t,a);const o=r%t%a;0!==o&&(r+=a-o),r+=n}return Math.ceil(r/t)*t}getMemberType(e,t){const r=this.membersLayout.find(e=>e.name===t);return r?r.type:"void"}getNodeType(e){return e.getStructTypeFromNode(this,this.membersLayout,this.name).name}setup(e){e.getStructTypeFromNode(this,this.membersLayout,this.name),e.addInclude(this)}generate(e){return this.getNodeType(e)}}class Jy extends ui{static get type(){return"StructNode"}constructor(e,t){super("vec3"),this.structTypeNode=e,this.values=t,this.isStructNode=!0}getNodeType(e){return this.structTypeNode.getNodeType(e)}getMemberType(e,t){return this.structTypeNode.getMemberType(e,t)}_getChildren(){const e=super._getChildren(),t=e.find(e=>e.childNode===this.structTypeNode);return e.splice(e.indexOf(t),1),e.push(t),e}generate(e){const t=e.getVarFromNode(this),r=t.type,s=e.getPropertyName(t);return e.addLineFlowCode(`${s} = ${e.generateStruct(r,this.structTypeNode.membersLayout,this.values)}`,this),t.name}}class eb extends ui{static get type(){return"OutputStructNode"}constructor(...e){super(),this.members=e,this.isOutputStructNode=!0}getNodeType(){return"OutputType"}generate(e){const t=e.getDataFromNode(this);if(void 0===t.membersLayout){const r=this.members,s=[];for(let t=0;t<r.length;t++){const i="m"+t,n=r[t].getNodeType(e);s.push({name:i,type:n,index:t})}t.membersLayout=s,t.structType=e.getOutputStructTypeFromNode(this,t.membersLayout)}const r=e.getOutputStructName(),s=this.members,i=""!==r?r+".":"";for(let t=0;t<s.length;t++){const r=s[t].build(e);e.addLineFlowCode(`${i}m${t} = ${r}`,this)}return r}}const tb=rn(eb);class rb{constructor(e=ke){this.blending=e,this.blendSrc=Ge,this.blendDst=ze,this.blendEquation=$e,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.premultiplyAlpha=!1}copy(e){return this.blending=e.blending,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.premultiplyAlpha=e.premultiplyAlpha,this}clone(){return(new this.constructor).copy(this)}}const sb=new rb(ee),ib=new rb(We);function nb(e,t){for(let r=0;r<e.length;r++)if(e[r].name===t)return r;return-1}class ab extends eb{static get type(){return"MRTNode"}constructor(e){super(),this.outputNodes=e,this.blendModes={output:ib},this.isMRTNode=!0}setBlendMode(e,t){return this.blendModes[e]=t,this}getBlendMode(e){return this.blendModes[e]||sb}has(e){return void 0!==this.outputNodes[e]}get(e){return this.outputNodes[e]}merge(e){const t={...this.outputNodes,...e.outputNodes},r={...this.blendModes,...e.blendModes},s=ob(t);return s.blendings=r,s}setup(e){const t=this.outputNodes,r=[],s=e.renderer.getRenderTarget().textures;for(const e in t){r[nb(s,e)]=En(t[e])}return this.members=r,super.setup(e)}}const ob=rn(ab);class ub extends ci{static get type(){return"BitcastNode"}constructor(e,t,r=null){super(),this.valueNode=e,this.conversionType=t,this.inputType=r,this.isBitcastNode=!0}getNodeType(e){if(null!==this.inputType){const t=this.valueNode.getNodeType(e),r=e.getTypeLength(t);return e.getTypeFromLength(r,this.conversionType)}return this.conversionType}generate(e){const t=this.getNodeType(e);let r="";if(null!==this.inputType){const t=this.valueNode.getNodeType(e);r=1===e.getTypeLength(t)?this.inputType:e.changeComponentType(t,this.inputType)}else r=this.valueNode.getNodeType(e);return`${e.getBitcastMethod(t,r)}( ${this.valueNode.build(e,r)} )`}}const lb=nn(ub).setParameterLength(2),db=e=>new ub(e,"uint","float"),cb={};class hb extends ro{static get type(){return"BitcountNode"}constructor(e,t){super(e,t),this.isBitcountNode=!0}_resolveElementType(e,t,r){"int"===r?t.assign(lb(e,"uint")):t.assign(e)}_returnDataNode(e){switch(e){case"uint":return fn;case"int":return mn;case"uvec2":return Tn;case"uvec3":return Sn;case"uvec4":return wn;case"ivec2":return xn;case"ivec3":return Nn;case"ivec4":return An}}_createTrailingZerosBaseLayout(e,t){const r=this._returnDataNode(t);return un(([e])=>{const s=fn(0);this._resolveElementType(e,s,t);const i=gn(s.bitAnd(Lo(s))),n=db(i).shiftRight(23).sub(127);return r(n)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createLeadingZerosBaseLayout(e,t){const r=this._returnDataNode(t);return un(([e])=>{cn(e.equal(fn(0)),()=>fn(32));const s=fn(0),i=fn(0);return this._resolveElementType(e,s,t),cn(s.shiftRight(16).equal(0),()=>{i.addAssign(16),s.shiftLeftAssign(16)}),cn(s.shiftRight(24).equal(0),()=>{i.addAssign(8),s.shiftLeftAssign(8)}),cn(s.shiftRight(28).equal(0),()=>{i.addAssign(4),s.shiftLeftAssign(4)}),cn(s.shiftRight(30).equal(0),()=>{i.addAssign(2),s.shiftLeftAssign(2)}),cn(s.shiftRight(31).equal(0),()=>{i.addAssign(1)}),r(i)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createOneBitsBaseLayout(e,t){const r=this._returnDataNode(t);return un(([e])=>{const s=fn(0);this._resolveElementType(e,s,t),s.assign(s.sub(s.shiftRight(fn(1)).bitAnd(fn(1431655765)))),s.assign(s.bitAnd(fn(858993459)).add(s.shiftRight(fn(2)).bitAnd(fn(858993459))));const i=s.add(s.shiftRight(fn(4))).bitAnd(fn(252645135)).mul(fn(16843009)).shiftRight(fn(24));return r(i)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createMainLayout(e,t,r,s){const i=this._returnDataNode(t);return un(([e])=>{if(1===r)return i(s(e));{const t=i(0),n=["x","y","z","w"];for(let i=0;i<r;i++){const r=n[i];t[r].assign(s(e[r]))}return t}}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}setup(e){const{method:t,aNode:r}=this,{renderer:s}=e;if(s.backend.isWebGPUBackend)return super.setup(e);const i=this.getInputType(e),n=e.getElementType(i),a=e.getTypeLength(i),o=`${t}_base_${n}`,u=`${t}_${i}`;let l=cb[o];if(void 0===l){switch(t){case hb.COUNT_LEADING_ZEROS:l=this._createLeadingZerosBaseLayout(o,n);break;case hb.COUNT_TRAILING_ZEROS:l=this._createTrailingZerosBaseLayout(o,n);break;case hb.COUNT_ONE_BITS:l=this._createOneBitsBaseLayout(o,n)}cb[o]=l}let d=cb[u];void 0===d&&(d=this._createMainLayout(u,i,a,l),cb[u]=d);return un(()=>d(r))()}}hb.COUNT_TRAILING_ZEROS="countTrailingZeros",hb.COUNT_LEADING_ZEROS="countLeadingZeros",hb.COUNT_ONE_BITS="countOneBits";const pb=nn(hb,hb.COUNT_TRAILING_ZEROS).setParameterLength(1),gb=nn(hb,hb.COUNT_LEADING_ZEROS).setParameterLength(1),mb=nn(hb,hb.COUNT_ONE_BITS).setParameterLength(1),fb=un(([e])=>{const t=e.toUint().mul(747796405).add(2891336453),r=t.shiftRight(t.shiftRight(28).add(4)).bitXor(t).mul(277803737);return r.shiftRight(22).bitXor(r).toFloat().mul(1/2**32)}),yb=(e,t)=>Zo(Fa(4,e.mul(Ba(1,e))),t);class bb extends ci{static get type(){return"PackFloatNode"}constructor(e,t){super(),this.vectorNode=t,this.encoding=e,this.isPackFloatNode=!0}getNodeType(){return"uint"}generate(e){const t=this.vectorNode.getNodeType(e);return`${e.getFloatPackingMethod(this.encoding)}(${this.vectorNode.build(e,t)})`}}const xb=nn(bb,"snorm").setParameterLength(1),Tb=nn(bb,"unorm").setParameterLength(1),_b=nn(bb,"float16").setParameterLength(1);class vb extends ci{static get type(){return"UnpackFloatNode"}constructor(e,t){super(),this.uintNode=t,this.encoding=e,this.isUnpackFloatNode=!0}getNodeType(){return"vec2"}generate(e){const t=this.uintNode.getNodeType(e);return`${e.getFloatUnpackingMethod(this.encoding)}(${this.uintNode.build(e,t)})`}}const Nb=nn(vb,"snorm").setParameterLength(1),Sb=nn(vb,"unorm").setParameterLength(1),Rb=nn(vb,"float16").setParameterLength(1),Eb=un(([e])=>e.fract().sub(.5).abs()).setLayout({name:"tri",type:"float",inputs:[{name:"x",type:"float"}]}),Ab=un(([e])=>vn(Eb(e.z.add(Eb(e.y.mul(1)))),Eb(e.z.add(Eb(e.x.mul(1)))),Eb(e.y.add(Eb(e.x.mul(1)))))).setLayout({name:"tri3",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),wb=un(([e,t,r])=>{const s=vn(e).toVar(),i=gn(1.4).toVar(),n=gn(0).toVar(),a=vn(s).toVar();return Sp({start:gn(0),end:gn(3),type:"float",condition:"<="},()=>{const e=vn(Ab(a.mul(2))).toVar();s.addAssign(e.add(r.mul(gn(.1).mul(t)))),a.mulAssign(1.8),i.mulAssign(1.5),s.mulAssign(1.2);const o=gn(Eb(s.z.add(Eb(s.x.add(Eb(s.y)))))).toVar();n.addAssign(o.div(i)),a.addAssign(.14)}),n}).setLayout({name:"triNoise3D",type:"float",inputs:[{name:"position",type:"vec3"},{name:"speed",type:"float"},{name:"time",type:"float"}]});class Cb extends ui{static get type(){return"FunctionOverloadingNode"}constructor(e=[],...t){super(),this.functionNodes=e,this.parametersNodes=t,this._candidateFn=null,this.global=!0}getNodeType(e){return this.getCandidateFn(e).shaderNode.layout.type}getCandidateFn(e){const t=this.parametersNodes;let r=this._candidateFn;if(null===r){let s=null,i=-1;for(const r of this.functionNodes){const n=r.shaderNode.layout;if(null===n)throw new Error("FunctionOverloadingNode: FunctionNode must be a layout.");const a=n.inputs;if(t.length===a.length){let n=0;for(let r=0;r<t.length;r++){const s=t[r],i=a[r];s.getNodeType(e)===i.type&&n++}n>i&&(s=r,i=n)}}this._candidateFn=r=s}return r}setup(e){return this.getCandidateFn(e)(...this.parametersNodes)}}const Mb=rn(Cb),Bb=e=>(...t)=>Mb(e,...t),Fb=_a(0).setGroup(ba).onRenderUpdate(e=>e.time),Lb=_a(0).setGroup(ba).onRenderUpdate(e=>e.deltaTime),Pb=_a(0,"uint").setGroup(ba).onRenderUpdate(e=>e.frameId);const Db=un(([e,t,r=bn(.5)])=>Yf(e.sub(r),t).add(r)),Ub=un(([e,t,r=bn(.5)])=>{const s=e.sub(r),i=s.dot(s),n=i.mul(i).mul(t);return e.add(s.mul(n))}),Ib=un(({position:e=null,horizontal:t=!0,vertical:r=!1})=>{let s;null!==e?(s=Dd.toVar(),s[3][0]=e.x,s[3][1]=e.y,s[3][2]=e.z):s=Dd;const i=Td.mul(s);return Ki(t)&&(i[0][0]=Dd[0].length(),i[0][1]=0,i[0][2]=0),Ki(r)&&(i[1][0]=0,i[1][1]=Dd[1].length(),i[1][2]=0),i[2][0]=0,i[2][1]=0,i[2][2]=1,bd.mul(i).mul(Xd)}),Ob=un(([e=null])=>{const t=Zp();return Zp(Wp(e)).sub(t).lessThan(0).select(jl,e)}),Vb=un(([e,t=Rl(),r=gn(0)])=>{const s=e.x,i=e.y,n=r.mod(s.mul(i)).floor(),a=n.mod(s),o=i.sub(n.add(1).div(s).ceil()),u=e.reciprocal(),l=bn(a,o);return t.add(l).mul(u)}),kb=un(([e,t=null,r=null,s=gn(1),i=Xd,n=nc])=>{let a=n.abs().normalize();a=a.div(a.dot(vn(1)));const o=i.yz.mul(s),u=i.zx.mul(s),l=i.xy.mul(s),d=e.value,c=null!==t?t.value:d,h=null!==r?r.value:d,p=Pl(d,o).mul(a.x),g=Pl(c,u).mul(a.y),m=Pl(h,l).mul(a.z);return Ma(p,g,m)}),Gb=new He,zb=new r,$b=new r,Wb=new r,Hb=new a,qb=new r(0,0,-1),jb=new s,Xb=new r,Kb=new r,Yb=new s,Qb=new t,Zb=new se,Jb=jl.flipX();Zb.depthTexture=new Y(1,1);let ex=!1;class tx extends Fl{static get type(){return"ReflectorNode"}constructor(e={}){super(e.defaultTexture||Zb.texture,Jb),this._reflectorBaseNode=e.reflector||new rx(this,e),this._depthNode=null,this.setUpdateMatrix(!1)}get reflector(){return this._reflectorBaseNode}get target(){return this._reflectorBaseNode.target}getDepthNode(){if(null===this._depthNode){if(!0!==this._reflectorBaseNode.depth)throw new Error("THREE.ReflectorNode: Depth node can only be requested when the reflector is created with { depth: true }. ");this._depthNode=Zi(new tx({defaultTexture:Zb.depthTexture,reflector:this._reflectorBaseNode}))}return this._depthNode}setup(e){return e.object.isQuadMesh||this._reflectorBaseNode.build(e),super.setup(e)}clone(){const e=new this.constructor(this.reflectorNode);return e.uvNode=this.uvNode,e.levelNode=this.levelNode,e.biasNode=this.biasNode,e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.offsetNode=this.offsetNode,e._reflectorBaseNode=this._reflectorBaseNode,e}dispose(){super.dispose(),this._reflectorBaseNode.dispose()}}class rx extends ui{static get type(){return"ReflectorBaseNode"}constructor(e,t={}){super();const{target:r=new qe,resolutionScale:s=1,generateMipmaps:i=!1,bounces:n=!0,depth:a=!1,samples:o=0}=t;this.textureNode=e,this.target=r,this.resolutionScale=s,void 0!==t.resolution&&(v('ReflectorNode: The "resolution" parameter has been renamed to "resolutionScale".'),this.resolutionScale=t.resolution),this.generateMipmaps=i,this.bounces=n,this.depth=a,this.samples=o,this.updateBeforeType=n?Js.RENDER:Js.FRAME,this.virtualCameras=new WeakMap,this.renderTargets=new Map,this.forceUpdate=!1,this.hasOutput=!1}_updateResolution(e,t){const r=this.resolutionScale;t.getDrawingBufferSize(Qb),e.setSize(Math.round(Qb.width*r),Math.round(Qb.height*r))}setup(e){return this._updateResolution(Zb,e.renderer),super.setup(e)}dispose(){super.dispose();for(const e of this.renderTargets.values())e.dispose()}getVirtualCamera(e){let t=this.virtualCameras.get(e);return void 0===t&&(t=e.clone(),this.virtualCameras.set(e,t)),t}getRenderTarget(e){let t=this.renderTargets.get(e);return void 0===t&&(t=new se(0,0,{type:be,samples:this.samples}),!0===this.generateMipmaps&&(t.texture.minFilter=je,t.texture.generateMipmaps=!0),!0===this.depth&&(t.depthTexture=new Y),this.renderTargets.set(e,t)),t}updateBefore(e){if(!1===this.bounces&&ex)return!1;ex=!0;const{scene:t,camera:r,renderer:s,material:i}=e,{target:n}=this,a=this.getVirtualCamera(r),o=this.getRenderTarget(a);s.getDrawingBufferSize(Qb),this._updateResolution(o,s),$b.setFromMatrixPosition(n.matrixWorld),Wb.setFromMatrixPosition(r.matrixWorld),Hb.extractRotation(n.matrixWorld),zb.set(0,0,1),zb.applyMatrix4(Hb),Xb.subVectors($b,Wb);let u=!1;if(!0===Xb.dot(zb)>0&&!1===this.forceUpdate){if(!1===this.hasOutput)return void(ex=!1);u=!0}Xb.reflect(zb).negate(),Xb.add($b),Hb.extractRotation(r.matrixWorld),qb.set(0,0,-1),qb.applyMatrix4(Hb),qb.add(Wb),Kb.subVectors($b,qb),Kb.reflect(zb).negate(),Kb.add($b),a.coordinateSystem=r.coordinateSystem,a.position.copy(Xb),a.up.set(0,1,0),a.up.applyMatrix4(Hb),a.up.reflect(zb),a.lookAt(Kb),a.near=r.near,a.far=r.far,a.updateMatrixWorld(),a.projectionMatrix.copy(r.projectionMatrix),Gb.setFromNormalAndCoplanarPoint(zb,$b),Gb.applyMatrix4(a.matrixWorldInverse),jb.set(Gb.normal.x,Gb.normal.y,Gb.normal.z,Gb.constant);const l=a.projectionMatrix;Yb.x=(Math.sign(jb.x)+l.elements[8])/l.elements[0],Yb.y=(Math.sign(jb.y)+l.elements[9])/l.elements[5],Yb.z=-1,Yb.w=(1+l.elements[10])/l.elements[14],jb.multiplyScalar(1/jb.dot(Yb));l.elements[2]=jb.x,l.elements[6]=jb.y,l.elements[10]=s.coordinateSystem===h?jb.z-0:jb.z+1-0,l.elements[14]=jb.w,this.textureNode.value=o.texture,!0===this.depth&&(this.textureNode.getDepthNode().value=o.depthTexture),i.visible=!1;const d=s.getRenderTarget(),c=s.getMRT(),p=s.autoClear;s.setMRT(null),s.setRenderTarget(o),s.autoClear=!0;const g=t.name;t.name=(t.name||"Scene")+" [ Reflector ]",u?(s.clear(),this.hasOutput=!1):(s.render(t,a),this.hasOutput=!0),t.name=g,s.setMRT(c),s.setRenderTarget(d),s.autoClear=p,i.visible=!0,ex=!1,this.forceUpdate=!1}get resolution(){return v('ReflectorNode: The "resolution" property has been renamed to "resolutionScale".'),this.resolutionScale}set resolution(e){v('ReflectorNode: The "resolution" property has been renamed to "resolutionScale".'),this.resolutionScale=e}}const sx=new _e(-1,1,1,-1,0,1);class ix extends Te{constructor(e=!1){super();const t=!1===e?[0,-1,0,1,2,1]:[0,2,0,0,2,0];this.setAttribute("position",new Xe([-1,3,0,-1,-1,0,3,-1,0],3)),this.setAttribute("uv",new Xe(t,2))}}const nx=new ix;class ax extends ne{constructor(e=null){super(nx,e),this.camera=sx,this.isQuadMesh=!0}async renderAsync(e){v('QuadMesh: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await e.init(),e.render(this,sx)}render(e){e.render(this,sx)}}const ox=new t;class ux extends Fl{static get type(){return"RTTNode"}constructor(e,t=null,r=null,s={type:be}){const i=new se(t,r,s);super(i.texture,Rl()),this.isRTTNode=!0,this.node=e,this.width=t,this.height=r,this.pixelRatio=1,this.renderTarget=i,this.textureNeedsUpdate=!0,this.autoUpdate=!0,this._rttNode=null,this._quadMesh=new ax(new pg),this.updateBeforeType=Js.RENDER}get autoResize(){return null===this.width}setup(e){return this._rttNode=this.node.context(e.getSharedContext()),this._quadMesh.material.name="RTT",this._quadMesh.material.needsUpdate=!0,super.setup(e)}setSize(e,t){this.width=e,this.height=t;const r=e*this.pixelRatio,s=t*this.pixelRatio;this.renderTarget.setSize(r,s),this.textureNeedsUpdate=!0}setPixelRatio(e){this.pixelRatio=e,this.setSize(this.width,this.height)}updateBefore({renderer:e}){if(!1===this.textureNeedsUpdate&&!1===this.autoUpdate)return;if(this.textureNeedsUpdate=!1,!0===this.autoResize){const t=e.getPixelRatio(),r=e.getSize(ox),s=Math.floor(r.width*t),i=Math.floor(r.height*t);s===this.renderTarget.width&&i===this.renderTarget.height||(this.renderTarget.setSize(s,i),this.textureNeedsUpdate=!0)}let t="RTT";this.node.name&&(t=this.node.name+" [ "+t+" ]"),this._quadMesh.material.fragmentNode=this._rttNode,this._quadMesh.name=t;const r=e.getRenderTarget();e.setRenderTarget(this.renderTarget),this._quadMesh.render(e),e.setRenderTarget(r)}clone(){const e=new Fl(this.value,this.uvNode,this.levelNode);return e.sampler=this.sampler,e.referenceNode=this,e}}const lx=(e,...t)=>new ux(Zi(e),...t),dx=un(([e,t,r],s)=>{let i;s.renderer.coordinateSystem===h?(e=bn(e.x,e.y.oneMinus()).mul(2).sub(1),i=En(vn(e,t),1)):i=En(vn(e.x,e.y.oneMinus(),t).mul(2).sub(1),1);const n=En(r.mul(i));return n.xyz.div(n.w)}),cx=un(([e,t])=>{const r=t.mul(En(e,1)),s=r.xy.div(r.w).mul(.5).add(.5).toVar();return bn(s.x,s.y.oneMinus())}),hx=un(([e,t,r])=>{const s=Al(Dl(t)),i=xn(e.mul(s)).toVar(),n=Dl(t,i).toVar(),a=Dl(t,i.sub(xn(2,0))).toVar(),o=Dl(t,i.sub(xn(1,0))).toVar(),u=Dl(t,i.add(xn(1,0))).toVar(),l=Dl(t,i.add(xn(2,0))).toVar(),d=Dl(t,i.add(xn(0,2))).toVar(),c=Dl(t,i.add(xn(0,1))).toVar(),h=Dl(t,i.sub(xn(0,1))).toVar(),p=Dl(t,i.sub(xn(0,2))).toVar(),g=Mo(Ba(gn(2).mul(o).sub(a),n)).toVar(),m=Mo(Ba(gn(2).mul(u).sub(l),n)).toVar(),f=Mo(Ba(gn(2).mul(c).sub(d),n)).toVar(),y=Mo(Ba(gn(2).mul(h).sub(p),n)).toVar(),b=dx(e,n,r).toVar(),x=g.lessThan(m).select(b.sub(dx(e.sub(bn(gn(1).div(s.x),0)),o,r)),b.negate().add(dx(e.add(bn(gn(1).div(s.x),0)),u,r))),T=f.lessThan(y).select(b.sub(dx(e.add(bn(0,gn(1).div(s.y))),c,r)),b.negate().add(dx(e.sub(bn(0,gn(1).div(s.y))),h,r)));return vo(Qo(x,T))}),px=un(([e])=>No(gn(52.9829189).mul(No(Yo(e,bn(.06711056,.00583715)))))).setLayout({name:"interleavedGradientNoise",type:"float",inputs:[{name:"position",type:"vec2"}]}),gx=un(([e,t,r])=>{const s=gn(2.399963229728653),i=bo(gn(e).add(.5).div(gn(t))),n=gn(e).mul(s).add(r);return bn(Ro(n),So(n)).mul(i)}).setLayout({name:"vogelDiskSample",type:"vec2",inputs:[{name:"sampleIndex",type:"int"},{name:"samplesCount",type:"int"},{name:"phi",type:"float"}]});class mx extends ui{static get type(){return"SampleNode"}constructor(e,t=null){super(),this.callback=e,this.uvNode=t,this.isSampleNode=!0}setup(){return this.sample(Rl())}sample(e){return this.callback(e)}}class fx extends ui{static get type(){return"EventNode"}constructor(e,t){super("void"),this.eventType=e,this.callback=t,e===fx.OBJECT?this.updateType=Js.OBJECT:e===fx.MATERIAL?this.updateType=Js.RENDER:e===fx.BEFORE_OBJECT?this.updateBeforeType=Js.OBJECT:e===fx.BEFORE_MATERIAL&&(this.updateBeforeType=Js.RENDER)}update(e){this.callback(e)}updateBefore(e){this.callback(e)}}fx.OBJECT="object",fx.MATERIAL="material",fx.BEFORE_OBJECT="beforeObject",fx.BEFORE_MATERIAL="beforeMaterial";const yx=(e,t)=>new fx(e,t).toStack();class bx extends W{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageInstancedBufferAttribute=!0}}class xx extends Ee{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageBufferAttribute=!0}}class Tx extends ui{static get type(){return"PointUVNode"}constructor(){super("vec2"),this.isPointUVNode=!0}generate(){return"vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y )"}}const _x=sn(Tx),vx=new F,Nx=new a,Sx=_a(0).setGroup(ba).onRenderUpdate(({scene:e})=>e.backgroundBlurriness),Rx=_a(1).setGroup(ba).onRenderUpdate(({scene:e})=>e.backgroundIntensity),Ex=_a(new a).setGroup(ba).onRenderUpdate(({scene:e})=>{const t=e.background;return null!==t&&t.isTexture&&t.mapping!==Ke?(vx.copy(e.backgroundRotation),vx.x*=-1,vx.y*=-1,vx.z*=-1,Nx.makeRotationFromEuler(vx)):Nx.identity(),Nx});class Ax extends Fl{static get type(){return"StorageTextureNode"}constructor(e,t,r=null){super(e,t),this.storeNode=r,this.mipLevel=0,this.isStorageTextureNode=!0,this.access=ti.WRITE_ONLY}getInputType(){return"storageTexture"}setup(e){super.setup(e);const t=e.getNodeProperties(this);return t.storeNode=this.storeNode,t}setAccess(e){return this.access=e,this}setMipLevel(e){return this.mipLevel=e,this}generate(e,t){let r;return r=null!==this.storeNode?this.generateStore(e):super.generate(e,t),r}toReadWrite(){return this.setAccess(ti.READ_WRITE)}toReadOnly(){return this.setAccess(ti.READ_ONLY)}toWriteOnly(){return this.setAccess(ti.WRITE_ONLY)}generateStore(e){const t=e.getNodeProperties(this),{uvNode:r,storeNode:s,depthNode:i}=t,n=super.generate(e,"property"),a=r.build(e,!0===this.value.is3DTexture?"uvec3":"uvec2"),o=s.build(e,"vec4"),u=i?i.build(e,"int"):null,l=e.generateTextureStore(e,n,a,u,o);e.addLineFlowCode(l,this)}clone(){const e=super.clone();return e.storeNode=this.storeNode,e.mipLevel=this.mipLevel,e.access=this.access,e}}const wx=rn(Ax).setParameterLength(1,3),Cx=un(({texture:e,uv:t})=>{const r=1e-4,s=vn().toVar();return cn(t.x.lessThan(r),()=>{s.assign(vn(1,0,0))}).ElseIf(t.y.lessThan(r),()=>{s.assign(vn(0,1,0))}).ElseIf(t.z.lessThan(r),()=>{s.assign(vn(0,0,1))}).ElseIf(t.x.greaterThan(.9999),()=>{s.assign(vn(-1,0,0))}).ElseIf(t.y.greaterThan(.9999),()=>{s.assign(vn(0,-1,0))}).ElseIf(t.z.greaterThan(.9999),()=>{s.assign(vn(0,0,-1))}).Else(()=>{const r=.01,i=e.sample(t.add(vn(-.01,0,0))).r.sub(e.sample(t.add(vn(r,0,0))).r),n=e.sample(t.add(vn(0,-.01,0))).r.sub(e.sample(t.add(vn(0,r,0))).r),a=e.sample(t.add(vn(0,0,-.01))).r.sub(e.sample(t.add(vn(0,0,r))).r);s.assign(vn(i,n,a))}),s.normalize()});class Mx extends Fl{static get type(){return"Texture3DNode"}constructor(e,t=null,r=null){super(e,t,r),this.isTexture3DNode=!0}getInputType(){return"texture3D"}getDefaultUV(){return vn(.5,.5,.5)}setUpdateMatrix(){}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}generateOffset(e,t){return t.build(e,"ivec3")}normal(e){return Cx({texture:this,uv:e})}}const Bx=rn(Mx).setParameterLength(1,3);class Fx extends Bc{static get type(){return"UserDataNode"}constructor(e,t,r=null){super(e,t,r),this.userData=r}updateReference(e){return this.reference=null!==this.userData?this.userData:e.object.userData,this.reference}}const Lx=new WeakMap;class Px extends ci{static get type(){return"VelocityNode"}constructor(){super("vec2"),this.projectionMatrix=null,this.updateType=Js.OBJECT,this.updateAfterType=Js.OBJECT,this.previousModelWorldMatrix=_a(new a),this.previousProjectionMatrix=_a(new a).setGroup(ba),this.previousCameraViewMatrix=_a(new a)}setProjectionMatrix(e){this.projectionMatrix=e}update({frameId:e,camera:t,object:r}){const s=Ux(r);this.previousModelWorldMatrix.value.copy(s);const i=Dx(t);i.frameId!==e&&(i.frameId=e,void 0===i.previousProjectionMatrix?(i.previousProjectionMatrix=new a,i.previousCameraViewMatrix=new a,i.currentProjectionMatrix=new a,i.currentCameraViewMatrix=new a,i.previousProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.previousCameraViewMatrix.copy(t.matrixWorldInverse)):(i.previousProjectionMatrix.copy(i.currentProjectionMatrix),i.previousCameraViewMatrix.copy(i.currentCameraViewMatrix)),i.currentProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.currentCameraViewMatrix.copy(t.matrixWorldInverse),this.previousProjectionMatrix.value.copy(i.previousProjectionMatrix),this.previousCameraViewMatrix.value.copy(i.previousCameraViewMatrix))}updateAfter({object:e}){Ux(e).copy(e.matrixWorld)}setup(){const e=null===this.projectionMatrix?bd:_a(this.projectionMatrix),t=this.previousCameraViewMatrix.mul(this.previousModelWorldMatrix),r=e.mul(zd).mul(Xd),s=this.previousProjectionMatrix.mul(t).mul(Kd),i=r.xy.div(r.w),n=s.xy.div(s.w);return Ba(i,n)}}function Dx(e){let t=Lx.get(e);return void 0===t&&(t={},Lx.set(e,t)),t}function Ux(e,t=0){const r=Dx(e);let s=r[t];return void 0===s&&(r[t]=s=new a,r[t].copy(e.matrixWorld)),s}const Ix=sn(Px),Ox=un(([e])=>zx(e.rgb)),Vx=un(([e,t=gn(1)])=>t.mix(zx(e.rgb),e.rgb)),kx=un(([e,t=gn(1)])=>{const r=Ma(e.r,e.g,e.b).div(3),s=e.r.max(e.g.max(e.b)),i=s.sub(r).mul(t).mul(-3);return nu(e.rgb,s,i)}),Gx=un(([e,t=gn(1)])=>{const r=vn(.57735,.57735,.57735),s=t.cos();return vn(e.rgb.mul(s).add(r.cross(e.rgb).mul(t.sin()).add(r.mul(Yo(r,e.rgb).mul(s.oneMinus())))))}),zx=(e,t=vn(p.getLuminanceCoefficients(new r)))=>Yo(e,t),$x=un(([e,t=vn(1),s=vn(0),i=vn(1),n=gn(1),a=vn(p.getLuminanceCoefficients(new r,Ne))])=>{const o=e.rgb.dot(vn(a)),u=Ho(e.rgb.mul(t).add(s),0).toVar(),l=u.pow(i).toVar();return cn(u.r.greaterThan(0),()=>{u.r.assign(l.r)}),cn(u.g.greaterThan(0),()=>{u.g.assign(l.g)}),cn(u.b.greaterThan(0),()=>{u.b.assign(l.b)}),u.assign(o.add(u.sub(o).mul(n))),En(u.rgb,e.a)}),Wx=un(([e,t])=>e.mul(t).floor().div(t));let Hx=null;class qx extends Ip{static get type(){return"ViewportSharedTextureNode"}constructor(e=jl,t=null){null===Hx&&(Hx=new X),super(e,t,Hx)}getTextureForReference(){return Hx}updateReference(){return this}}const jx=rn(qx).setParameterLength(0,2),Xx=new t;class Kx extends Fl{static get type(){return"PassTextureNode"}constructor(e,t){super(t),this.passNode=e,this.setUpdateMatrix(!1)}setup(e){return this.passNode.build(e),super.setup(e)}clone(){return new this.constructor(this.passNode,this.value)}}class Yx extends Kx{static get type(){return"PassMultipleTextureNode"}constructor(e,t,r=!1){super(e,null),this.textureName=t,this.previousTexture=r}updateTexture(){this.value=this.previousTexture?this.passNode.getPreviousTexture(this.textureName):this.passNode.getTexture(this.textureName)}setup(e){return this.updateTexture(),super.setup(e)}clone(){const e=new this.constructor(this.passNode,this.textureName,this.previousTexture);return e.uvNode=this.uvNode,e.levelNode=this.levelNode,e.biasNode=this.biasNode,e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.offsetNode=this.offsetNode,e}}class Qx extends ci{static get type(){return"PassNode"}constructor(e,t,r,s={}){super("vec4"),this.scope=e,this.scene=t,this.camera=r,this.options=s,this._pixelRatio=1,this._width=1,this._height=1;const i=new Y;i.isRenderTargetTexture=!0,i.name="depth";const n=new se(this._width*this._pixelRatio,this._height*this._pixelRatio,{type:be,...s});n.texture.name="output",n.depthTexture=i,this.renderTarget=n,this.overrideMaterial=null,this.transparent=!0,this.opaque=!0,this.contextNode=null,this._contextNodeCache=null,this._textures={output:n.texture,depth:i},this._textureNodes={},this._linearDepthNodes={},this._viewZNodes={},this._previousTextures={},this._previousTextureNodes={},this._cameraNear=_a(0),this._cameraFar=_a(0),this._mrt=null,this._layers=null,this._resolutionScale=1,this._viewport=null,this._scissor=null,this.isPassNode=!0,this.updateBeforeType=Js.FRAME,this.global=!0}setResolutionScale(e){return this._resolutionScale=e,this}getResolutionScale(){return this._resolutionScale}setResolution(e){return d("PassNode: .setResolution() is deprecated. Use .setResolutionScale() instead."),this.setResolutionScale(e)}getResolution(){return d("PassNode: .getResolution() is deprecated. Use .getResolutionScale() instead."),this.getResolutionScale()}setLayers(e){return this._layers=e,this}getLayers(){return this._layers}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}getTexture(e){let t=this._textures[e];if(void 0===t){t=this.renderTarget.texture.clone(),t.name=e,this._textures[e]=t,this.renderTarget.textures.push(t)}return t}getPreviousTexture(e){let t=this._previousTextures[e];return void 0===t&&(t=this.getTexture(e).clone(),this._previousTextures[e]=t),t}toggleTexture(e){const t=this._previousTextures[e];if(void 0!==t){const r=this._textures[e],s=this.renderTarget.textures.indexOf(r);this.renderTarget.textures[s]=t,this._textures[e]=t,this._previousTextures[e]=r,this._textureNodes[e].updateTexture(),this._previousTextureNodes[e].updateTexture()}}getTextureNode(e="output"){let t=this._textureNodes[e];return void 0===t&&(t=new Yx(this,e),t.updateTexture(),this._textureNodes[e]=t),t}getPreviousTextureNode(e="output"){let t=this._previousTextureNodes[e];return void 0===t&&(void 0===this._textureNodes[e]&&this.getTextureNode(e),t=new Yx(this,e,!0),t.updateTexture(),this._previousTextureNodes[e]=t),t}getViewZNode(e="depth"){let t=this._viewZNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar;this._viewZNodes[e]=t=Xp(this.getTextureNode(e),r,s)}return t}getLinearDepthNode(e="depth"){let t=this._linearDepthNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar,i=this.getViewZNode(e);this._linearDepthNodes[e]=t=qp(i,r,s)}return t}async compileAsync(e){const t=e.getRenderTarget(),r=e.getMRT();e.setRenderTarget(this.renderTarget),e.setMRT(this._mrt),await e.compileAsync(this.scene,this.camera),e.setRenderTarget(t),e.setMRT(r)}setup({renderer:e}){return this.renderTarget.samples=void 0===this.options.samples?e.samples:this.options.samples,this.renderTarget.texture.type=e.getOutputBufferType(),this.scope===Qx.COLOR?this.getTextureNode():this.getLinearDepthNode()}updateBefore(e){const{renderer:t}=e,{scene:r}=this;let s,i;const n=t.getOutputRenderTarget();n&&!0===n.isXRRenderTarget?(i=1,s=t.xr.getCamera(),t.xr.updateCamera(s),Xx.set(n.width,n.height)):(s=this.camera,i=t.getPixelRatio(),t.getSize(Xx)),this._pixelRatio=i,this.setSize(Xx.width,Xx.height);const a=t.getRenderTarget(),o=t.getMRT(),u=t.autoClear,l=t.transparent,d=t.opaque,c=s.layers.mask,h=t.contextNode,p=r.overrideMaterial;this._cameraNear.value=s.near,this._cameraFar.value=s.far,null!==this._layers&&(s.layers.mask=this._layers.mask);for(const e in this._previousTextures)this.toggleTexture(e);null!==this.overrideMaterial&&(r.overrideMaterial=this.overrideMaterial),t.setRenderTarget(this.renderTarget),t.setMRT(this._mrt),t.autoClear=!0,t.transparent=this.transparent,t.opaque=this.opaque,null!==this.contextNode&&(null!==this._contextNodeCache&&this._contextNodeCache.version===this.version||(this._contextNodeCache={version:this.version,context:Tu({...t.contextNode.getFlowContextData(),...this.contextNode.getFlowContextData()})}),t.contextNode=this._contextNodeCache.context);const g=r.name;r.name=this.name?this.name:r.name,t.render(r,s),r.name=g,r.overrideMaterial=p,t.setRenderTarget(a),t.setMRT(o),t.autoClear=u,t.transparent=l,t.opaque=d,t.contextNode=h,s.layers.mask=c}setSize(e,t){this._width=e,this._height=t;const r=Math.floor(this._width*this._pixelRatio*this._resolutionScale),s=Math.floor(this._height*this._pixelRatio*this._resolutionScale);this.renderTarget.setSize(r,s),null!==this._scissor&&this.renderTarget.scissor.copy(this._scissor),null!==this._viewport&&this.renderTarget.viewport.copy(this._viewport)}setScissor(e,t,r,i){null===e?this._scissor=null:(null===this._scissor&&(this._scissor=new s),e.isVector4?this._scissor.copy(e):this._scissor.set(e,t,r,i),this._scissor.multiplyScalar(this._pixelRatio*this._resolutionScale).floor())}setViewport(e,t,r,i){null===e?this._viewport=null:(null===this._viewport&&(this._viewport=new s),e.isVector4?this._viewport.copy(e):this._viewport.set(e,t,r,i),this._viewport.multiplyScalar(this._pixelRatio*this._resolutionScale).floor())}setPixelRatio(e){this._pixelRatio=e,this.setSize(this._width,this._height)}dispose(){this.renderTarget.dispose()}}Qx.COLOR="color",Qx.DEPTH="depth";class Zx extends Qx{static get type(){return"ToonOutlinePassNode"}constructor(e,t,r,s,i){super(Qx.COLOR,e,t),this.colorNode=r,this.thicknessNode=s,this.alphaNode=i,this._materialCache=new WeakMap,this.name="Outline Pass"}updateBefore(e){const{renderer:t}=e,r=t.getRenderObjectFunction();t.setRenderObjectFunction((e,r,s,i,n,a,o,u)=>{if((n.isMeshToonMaterial||n.isMeshToonNodeMaterial)&&!1===n.wireframe){const l=this._getOutlineMaterial(n);t.renderObject(e,r,s,i,l,a,o,u)}t.renderObject(e,r,s,i,n,a,o,u)}),super.updateBefore(e),t.setRenderObjectFunction(r)}_createMaterial(){const e=new pg;e.isMeshToonOutlineMaterial=!0,e.name="Toon_Outline",e.side=M;const t=nc.negate(),r=bd.mul(zd),s=gn(1),i=r.mul(En(Xd,1)),n=r.mul(En(Xd.add(t),1)),a=vo(i.sub(n));return e.vertexNode=i.add(a.mul(this.thicknessNode).mul(i.w).mul(s)),e.colorNode=En(this.colorNode,this.alphaNode),e}_getOutlineMaterial(e){let t=this._materialCache.get(e);return void 0===t&&(t=this._createMaterial(),this._materialCache.set(e,t)),t}}const Jx=un(([e,t])=>e.mul(t).clamp()).setLayout({name:"linearToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),eT=un(([e,t])=>(e=e.mul(t)).div(e.add(1)).clamp()).setLayout({name:"reinhardToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),tT=un(([e,t])=>{const r=(e=(e=e.mul(t)).sub(.004).max(0)).mul(e.mul(6.2).add(.5)),s=e.mul(e.mul(6.2).add(1.7)).add(.06);return r.div(s).pow(2.2)}).setLayout({name:"cineonToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),rT=un(([e])=>{const t=e.mul(e.add(.0245786)).sub(90537e-9),r=e.mul(e.add(.432951).mul(.983729)).add(.238081);return t.div(r)}),sT=un(([e,t])=>{const r=Bn(.59719,.35458,.04823,.076,.90834,.01566,.0284,.13383,.83777),s=Bn(1.60475,-.53108,-.07367,-.10208,1.10813,-.00605,-.00327,-.07276,1.07602);return e=e.mul(t).div(.6),e=r.mul(e),e=rT(e),(e=s.mul(e)).clamp()}).setLayout({name:"acesFilmicToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),iT=Bn(vn(1.6605,-.1246,-.0182),vn(-.5876,1.1329,-.1006),vn(-.0728,-.0083,1.1187)),nT=Bn(vn(.6274,.0691,.0164),vn(.3293,.9195,.088),vn(.0433,.0113,.8956)),aT=un(([e])=>{const t=vn(e).toVar(),r=vn(t.mul(t)).toVar(),s=vn(r.mul(r)).toVar();return gn(15.5).mul(s.mul(r)).sub(Fa(40.14,s.mul(t))).add(Fa(31.96,s).sub(Fa(6.868,r.mul(t))).add(Fa(.4298,r).add(Fa(.1191,t).sub(.00232))))}),oT=un(([e,t])=>{const r=vn(e).toVar(),s=Bn(vn(.856627153315983,.137318972929847,.11189821299995),vn(.0951212405381588,.761241990602591,.0767994186031903),vn(.0482516061458583,.101439036467562,.811302368396859)),i=Bn(vn(1.1271005818144368,-.1413297634984383,-.14132976349843826),vn(-.11060664309660323,1.157823702216272,-.11060664309660294),vn(-.016493938717834573,-.016493938717834257,1.2519364065950405)),n=gn(-12.47393),a=gn(4.026069);return r.mulAssign(t),r.assign(nT.mul(r)),r.assign(s.mul(r)),r.assign(Ho(r,1e-10)),r.assign(yo(r)),r.assign(r.sub(n).div(a.sub(n))),r.assign(au(r,0,1)),r.assign(aT(r)),r.assign(i.mul(r)),r.assign(Zo(Ho(vn(0),r),vn(2.2))),r.assign(iT.mul(r)),r.assign(au(r,0,1)),r}).setLayout({name:"agxToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),uT=un(([e,t])=>{const r=gn(.76),s=gn(.15);e=e.mul(t);const i=Wo(e.r,Wo(e.g,e.b)),n=bu(i.lessThan(.08),i.sub(Fa(6.25,i.mul(i))),.04);e.subAssign(n);const a=Ho(e.r,Ho(e.g,e.b));cn(a.lessThan(r),()=>e);const o=Ba(1,r),u=Ba(1,o.mul(o).div(a.add(o.sub(r))));e.mulAssign(u.div(a));const l=Ba(1,La(1,s.mul(a.sub(u)).add(1)));return nu(e,vn(u),l)}).setLayout({name:"neutralToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]});class lT extends ui{static get type(){return"CodeNode"}constructor(e="",t=[],r=""){super("code"),this.isCodeNode=!0,this.global=!0,this.code=e,this.includes=t,this.language=r}setIncludes(e){return this.includes=e,this}getIncludes(){return this.includes}generate(e){const t=this.getIncludes(e);for(const r of t)r.build(e);const r=e.getCodeFromNode(this,this.getNodeType(e));return r.code=this.code,r.code}serialize(e){super.serialize(e),e.code=this.code,e.language=this.language}deserialize(e){super.deserialize(e),this.code=e.code,this.language=e.language}}const dT=rn(lT).setParameterLength(1,3);class cT extends lT{static get type(){return"FunctionNode"}constructor(e="",t=[],r=""){super(e,t,r)}getNodeType(e){return this.getNodeFunction(e).type}getMemberType(e,t){const r=this.getNodeType(e);return e.getStructTypeNode(r).getMemberType(e,t)}getInputs(e){return this.getNodeFunction(e).inputs}getNodeFunction(e){const t=e.getDataFromNode(this);let r=t.nodeFunction;return void 0===r&&(r=e.parser.parseFunction(this.code),t.nodeFunction=r),r}generate(e,t){super.generate(e);const r=this.getNodeFunction(e),s=r.name,i=r.type,n=e.getCodeFromNode(this,i);""!==s&&(n.name=s);const a=e.getPropertyName(n),o=this.getNodeFunction(e).getCode(a);return n.code=o+"\n","property"===t?a:e.format(`${a}()`,i,t)}}const hT=(e,t=[],r="")=>{for(let e=0;e<t.length;e++){const r=t[e];"function"==typeof r&&(t[e]=r.functionNode)}const s=new cT(e,t,r),i=(...e)=>s.call(...e);return i.functionNode=s,i};function pT(e){let t;const r=e.context.getViewZ;return void 0!==r&&(t=r(this)),(t||Zd.z).negate()}const gT=un(([e,t],r)=>{const s=pT(r);return lu(e,t,s)}),mT=un(([e],t)=>{const r=pT(t);return e.mul(e,r,r).negate().exp().oneMinus()}),fT=un(([e,t],r)=>{const s=pT(r),i=t.sub(Yd.y).max(0).toConst().mul(s).toConst();return e.mul(e,i,i).negate().exp().oneMinus()}),yT=un(([e,t])=>En(t.toFloat().mix(ia.rgb,e.toVec3()),ia.a));let bT=null,xT=null;class TT extends ui{static get type(){return"RangeNode"}constructor(e=gn(),t=gn()){super(),this.minNode=e,this.maxNode=t}getVectorLength(e){const t=this.getConstNode(this.minNode),r=this.getConstNode(this.maxNode),s=e.getTypeLength(qs(t.value)),i=e.getTypeLength(qs(r.value));return s>i?s:i}getNodeType(e){return e.object.count>1?e.getTypeFromLength(this.getVectorLength(e)):"float"}getConstNode(e){let t=null;if(e.traverse(e=>{!0===e.isConstNode&&(t=e)}),null===t)throw new Ml('THREE.TSL: No "ConstNode" found in node graph.',this.stackTrace);return t}setup(e){const t=e.object;let r=null;if(t.count>1){const i=this.getConstNode(this.minNode),n=this.getConstNode(this.maxNode),a=i.value,o=n.value,u=e.getTypeLength(qs(a)),d=e.getTypeLength(qs(o));bT=bT||new s,xT=xT||new s,bT.setScalar(0),xT.setScalar(0),1===u?bT.setScalar(a):a.isColor?bT.set(a.r,a.g,a.b,1):bT.set(a.x,a.y,a.z||0,a.w||0),1===d?xT.setScalar(o):o.isColor?xT.set(o.r,o.g,o.b,1):xT.set(o.x,o.y,o.z||0,o.w||0);const c=4,h=c*t.count,p=new Float32Array(h);for(let e=0;e<h;e++){const t=e%c,r=bT.getComponent(t),s=xT.getComponent(t);p[e]=l.lerp(r,s,Math.random())}const g=this.getNodeType(e);if(4*t.count*4<=e.getUniformBufferLimit())r=Il(p,"vec4",t.count).element(lp).convert(g);else{const t=new W(p,4);e.geometry.setAttribute("__range"+this.id,t),r=el(t).convert(g)}}else r=gn(0);return r}}const _T=rn(TT).setParameterLength(2);class vT extends ui{static get type(){return"ComputeBuiltinNode"}constructor(e,t){super(t),this._builtinName=e}getHash(e){return this.getBuiltinName(e)}getNodeType(){return this.nodeType}setBuiltinName(e){return this._builtinName=e,this}getBuiltinName(){return this._builtinName}hasBuiltin(e){return e.hasBuiltin(this._builtinName)}generate(e,t){const r=this.getBuiltinName(e),s=this.getNodeType(e);return"compute"===e.shaderStage?e.format(r,s,t):(d(`ComputeBuiltinNode: Compute built-in value ${r} can not be accessed in the ${e.shaderStage} stage`),e.generateConst(s))}serialize(e){super.serialize(e),e.global=this.global,e._builtinName=this._builtinName}deserialize(e){super.deserialize(e),this.global=e.global,this._builtinName=e._builtinName}}const NT=(e,t)=>new vT(e,t),ST=NT("numWorkgroups","uvec3"),RT=NT("workgroupId","uvec3"),ET=NT("globalId","uvec3"),AT=NT("localId","uvec3"),wT=NT("subgroupSize","uint");class CT extends ui{constructor(e){super(),this.scope=e}generate(e){const{scope:t}=this,{renderer:r}=e;!0===r.backend.isWebGLBackend?e.addFlowCode(`\t// ${t}Barrier \n`):e.addLineFlowCode(`${t}Barrier()`,this)}}const MT=rn(CT);class BT extends li{constructor(e,t){super(e,t),this.isWorkgroupInfoElementNode=!0}generate(e,t){let r;const s=e.context.assign;if(r=super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}class FT extends ui{constructor(e,t,r=0){super(t),this.bufferType=t,this.bufferCount=r,this.isWorkgroupInfoNode=!0,this.elementType=t,this.scope=e,this.name=""}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Ps),this.setName(e)}setScope(e){return this.scope=e,this}getElementType(){return this.elementType}getInputType(){return`${this.scope}Array`}element(e){return new BT(this,e)}generate(e){const t=""!==this.name?this.name:`${this.scope}Array_${this.id}`;return e.getScopedArray(t,this.scope.toLowerCase(),this.bufferType,this.bufferCount)}}class LT extends ui{static get type(){return"AtomicFunctionNode"}constructor(e,t,r){super("uint"),this.method=e,this.pointerNode=t,this.valueNode=r,this.parents=!0}getInputType(e){return this.pointerNode.getNodeType(e)}getNodeType(e){return this.getInputType(e)}generate(e){const t=e.getNodeProperties(this),r=t.parents,s=this.method,i=this.getNodeType(e),n=this.getInputType(e),a=this.pointerNode,o=this.valueNode,u=[];u.push(`&${a.build(e,n)}`),null!==o&&u.push(o.build(e,n));const l=`${e.getMethod(s,i)}( ${u.join(", ")} )`;if(!(!!r&&(1===r.length&&!0===r[0].isStackNode)))return void 0===t.constNode&&(t.constNode=gl(l,i).toConst()),t.constNode.build(e);e.addLineFlowCode(l,this)}}LT.ATOMIC_LOAD="atomicLoad",LT.ATOMIC_STORE="atomicStore",LT.ATOMIC_ADD="atomicAdd",LT.ATOMIC_SUB="atomicSub",LT.ATOMIC_MAX="atomicMax",LT.ATOMIC_MIN="atomicMin",LT.ATOMIC_AND="atomicAnd",LT.ATOMIC_OR="atomicOr",LT.ATOMIC_XOR="atomicXor";const PT=rn(LT),DT=(e,t,r)=>PT(e,t,r).toStack();class UT extends ci{static get type(){return"SubgroupFunctionNode"}constructor(e,t=null,r=null){super(),this.method=e,this.aNode=t,this.bNode=r}getInputType(e){const t=this.aNode?this.aNode.getNodeType(e):null,r=this.bNode?this.bNode.getNodeType(e):null;return(e.isMatrix(t)?0:e.getTypeLength(t))>(e.isMatrix(r)?0:e.getTypeLength(r))?t:r}getNodeType(e){const t=this.method;return t===UT.SUBGROUP_ELECT?"bool":t===UT.SUBGROUP_BALLOT?"uvec4":this.getInputType(e)}generate(e,t){const r=this.method,s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,a=this.bNode,o=[];if(r===UT.SUBGROUP_BROADCAST||r===UT.SUBGROUP_SHUFFLE||r===UT.QUAD_BROADCAST){const t=a.getNodeType(e);o.push(n.build(e,s),a.build(e,"float"===t?"int":s))}else r===UT.SUBGROUP_SHUFFLE_XOR||r===UT.SUBGROUP_SHUFFLE_DOWN||r===UT.SUBGROUP_SHUFFLE_UP?o.push(n.build(e,s),a.build(e,"uint")):(null!==n&&o.push(n.build(e,i)),null!==a&&o.push(a.build(e,i)));const u=0===o.length?"()":`( ${o.join(", ")} )`;return e.format(`${e.getMethod(r,s)}${u}`,s,t)}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}UT.SUBGROUP_ELECT="subgroupElect",UT.SUBGROUP_BALLOT="subgroupBallot",UT.SUBGROUP_ADD="subgroupAdd",UT.SUBGROUP_INCLUSIVE_ADD="subgroupInclusiveAdd",UT.SUBGROUP_EXCLUSIVE_AND="subgroupExclusiveAdd",UT.SUBGROUP_MUL="subgroupMul",UT.SUBGROUP_INCLUSIVE_MUL="subgroupInclusiveMul",UT.SUBGROUP_EXCLUSIVE_MUL="subgroupExclusiveMul",UT.SUBGROUP_AND="subgroupAnd",UT.SUBGROUP_OR="subgroupOr",UT.SUBGROUP_XOR="subgroupXor",UT.SUBGROUP_MIN="subgroupMin",UT.SUBGROUP_MAX="subgroupMax",UT.SUBGROUP_ALL="subgroupAll",UT.SUBGROUP_ANY="subgroupAny",UT.SUBGROUP_BROADCAST_FIRST="subgroupBroadcastFirst",UT.QUAD_SWAP_X="quadSwapX",UT.QUAD_SWAP_Y="quadSwapY",UT.QUAD_SWAP_DIAGONAL="quadSwapDiagonal",UT.SUBGROUP_BROADCAST="subgroupBroadcast",UT.SUBGROUP_SHUFFLE="subgroupShuffle",UT.SUBGROUP_SHUFFLE_XOR="subgroupShuffleXor",UT.SUBGROUP_SHUFFLE_UP="subgroupShuffleUp",UT.SUBGROUP_SHUFFLE_DOWN="subgroupShuffleDown",UT.QUAD_BROADCAST="quadBroadcast";const IT=nn(UT,UT.SUBGROUP_ELECT).setParameterLength(0),OT=nn(UT,UT.SUBGROUP_BALLOT).setParameterLength(1),VT=nn(UT,UT.SUBGROUP_ADD).setParameterLength(1),kT=nn(UT,UT.SUBGROUP_INCLUSIVE_ADD).setParameterLength(1),GT=nn(UT,UT.SUBGROUP_EXCLUSIVE_AND).setParameterLength(1),zT=nn(UT,UT.SUBGROUP_MUL).setParameterLength(1),$T=nn(UT,UT.SUBGROUP_INCLUSIVE_MUL).setParameterLength(1),WT=nn(UT,UT.SUBGROUP_EXCLUSIVE_MUL).setParameterLength(1),HT=nn(UT,UT.SUBGROUP_AND).setParameterLength(1),qT=nn(UT,UT.SUBGROUP_OR).setParameterLength(1),jT=nn(UT,UT.SUBGROUP_XOR).setParameterLength(1),XT=nn(UT,UT.SUBGROUP_MIN).setParameterLength(1),KT=nn(UT,UT.SUBGROUP_MAX).setParameterLength(1),YT=nn(UT,UT.SUBGROUP_ALL).setParameterLength(0),QT=nn(UT,UT.SUBGROUP_ANY).setParameterLength(0),ZT=nn(UT,UT.SUBGROUP_BROADCAST_FIRST).setParameterLength(2),JT=nn(UT,UT.QUAD_SWAP_X).setParameterLength(1),e_=nn(UT,UT.QUAD_SWAP_Y).setParameterLength(1),t_=nn(UT,UT.QUAD_SWAP_DIAGONAL).setParameterLength(1),r_=nn(UT,UT.SUBGROUP_BROADCAST).setParameterLength(2),s_=nn(UT,UT.SUBGROUP_SHUFFLE).setParameterLength(2),i_=nn(UT,UT.SUBGROUP_SHUFFLE_XOR).setParameterLength(2),n_=nn(UT,UT.SUBGROUP_SHUFFLE_UP).setParameterLength(2),a_=nn(UT,UT.SUBGROUP_SHUFFLE_DOWN).setParameterLength(2),o_=nn(UT,UT.QUAD_BROADCAST).setParameterLength(1);let u_;function l_(e){u_=u_||new WeakMap;let t=u_.get(e);return void 0===t&&u_.set(e,t={}),t}function d_(e){const t=l_(e);return t.shadowMatrix||(t.shadowMatrix=_a("mat4").setGroup(ba).onRenderUpdate(t=>(!0===e.castShadow&&!1!==t.renderer.shadowMap.enabled||(e.shadow.camera.coordinateSystem!==t.camera.coordinateSystem&&(e.shadow.camera.coordinateSystem=t.camera.coordinateSystem,e.shadow.camera.updateProjectionMatrix()),e.shadow.updateMatrices(e)),e.shadow.matrix)))}function c_(e,t=Yd){const r=d_(e).mul(t);return r.xyz.div(r.w)}function h_(e){const t=l_(e);return t.position||(t.position=_a(new r).setGroup(ba).onRenderUpdate((t,r)=>r.value.setFromMatrixPosition(e.matrixWorld)))}function p_(e){const t=l_(e);return t.targetPosition||(t.targetPosition=_a(new r).setGroup(ba).onRenderUpdate((t,r)=>r.value.setFromMatrixPosition(e.target.matrixWorld)))}function g_(e){const t=l_(e);return t.viewPosition||(t.viewPosition=_a(new r).setGroup(ba).onRenderUpdate(({camera:t},s)=>{s.value=s.value||new r,s.value.setFromMatrixPosition(e.matrixWorld),s.value.applyMatrix4(t.matrixWorldInverse)}))}const m_=e=>Td.transformDirection(h_(e).sub(p_(e))),f_=(e,t)=>{for(const r of t)if(r.isAnalyticLightNode&&r.light.id===e)return r;return null},y_=new WeakMap,b_=[];class x_ extends ui{static get type(){return"LightsNode"}constructor(){super("vec3"),this.totalDiffuseNode=Un("vec3","totalDiffuse"),this.totalSpecularNode=Un("vec3","totalSpecular"),this.outgoingLightNode=Un("vec3","outgoingLight"),this._lights=[],this._lightNodes=null,this._lightNodesHash=null,this.global=!0}customCacheKey(){const e=this._lights;for(let t=0;t<e.length;t++){const r=e[t];if(b_.push(r.id),b_.push(r.castShadow?1:0),!0===r.isSpotLight){const e=null!==r.map?r.map.id:-1,t=r.colorNode?r.colorNode.getCacheKey():-1;b_.push(e,t)}}const t=Is(b_);return b_.length=0,t}getHash(e){if(null===this._lightNodesHash){null===this._lightNodes&&this.setupLightsNode(e);const t=[];for(const e of this._lightNodes)t.push(e.getHash());this._lightNodesHash="lights-"+t.join(",")}return this._lightNodesHash}analyze(e){const t=e.getNodeProperties(this);for(const r of t.nodes)r.build(e);t.outputNode.build(e)}setupLightsNode(e){const t=[],r=this._lightNodes,s=(e=>e.sort((e,t)=>e.id-t.id))(this._lights),i=e.renderer.library;for(const e of s)if(e.isNode)t.push(Zi(e));else{let s=null;if(null!==r&&(s=f_(e.id,r)),null===s){const r=i.getLightNodeClass(e.constructor);if(null===r){d(`LightsNode.setupNodeLights: Light node not found for ${e.constructor.name}`);continue}let s=null;y_.has(e)?s=y_.get(e):(s=new r(e),y_.set(e,s)),t.push(s)}}this._lightNodes=t}setupDirectLight(e,t,r){const{lightingModel:s,reflectedLight:i}=e.context;s.direct({...r,lightNode:t,reflectedLight:i},e)}setupDirectRectAreaLight(e,t,r){const{lightingModel:s,reflectedLight:i}=e.context;s.directRectArea({...r,lightNode:t,reflectedLight:i},e)}setupLights(e,t){for(const r of t)r.build(e)}getLightNodes(e){return null===this._lightNodes&&this.setupLightsNode(e),this._lightNodes}setup(e){const t=e.lightsNode;e.lightsNode=this;let r=this.outgoingLightNode;const s=e.context,i=s.lightingModel,n=e.getNodeProperties(this);if(i){const{totalDiffuseNode:t,totalSpecularNode:a}=this;s.outgoingLight=r;const o=e.addStack();n.nodes=o.nodes,i.start(e);const{backdrop:u,backdropAlpha:l}=s,{directDiffuse:d,directSpecular:c,indirectDiffuse:h,indirectSpecular:p}=s.reflectedLight;let g=d.add(h);null!==u&&(g=vn(null!==l?l.mix(g,u):u)),t.assign(g),a.assign(c.add(p)),r.assign(t.add(a)),i.finish(e),r=r.bypass(e.removeStack())}else n.nodes=[];return e.lightsNode=t,r}setLights(e){return this._lights=e,this._lightNodes=null,this._lightNodesHash=null,this}getLights(){return this._lights}get hasLights(){return this._lights.length>0}}class T_ extends ui{static get type(){return"ShadowBaseNode"}constructor(e){super(),this.light=e,this.updateBeforeType=Js.RENDER,this.isShadowBaseNode=!0}setupShadowPosition({context:e,material:t}){__.assign(t.receivedShadowPositionNode||e.shadowPositionWorld||Yd)}}const __=Un("vec3","shadowPositionWorld");function v_(t,r={}){return r.toneMapping=t.toneMapping,r.toneMappingExposure=t.toneMappingExposure,r.outputColorSpace=t.outputColorSpace,r.renderTarget=t.getRenderTarget(),r.activeCubeFace=t.getActiveCubeFace(),r.activeMipmapLevel=t.getActiveMipmapLevel(),r.renderObjectFunction=t.getRenderObjectFunction(),r.pixelRatio=t.getPixelRatio(),r.mrt=t.getMRT(),r.clearColor=t.getClearColor(r.clearColor||new e),r.clearAlpha=t.getClearAlpha(),r.autoClear=t.autoClear,r.scissorTest=t.getScissorTest(),r}function N_(e,t){return t=v_(e,t),e.setMRT(null),e.setRenderObjectFunction(null),e.setClearColor(0,1),e.autoClear=!0,t}function S_(e,t){e.toneMapping=t.toneMapping,e.toneMappingExposure=t.toneMappingExposure,e.outputColorSpace=t.outputColorSpace,e.setRenderTarget(t.renderTarget,t.activeCubeFace,t.activeMipmapLevel),e.setRenderObjectFunction(t.renderObjectFunction),e.setPixelRatio(t.pixelRatio),e.setMRT(t.mrt),e.setClearColor(t.clearColor,t.clearAlpha),e.autoClear=t.autoClear,e.setScissorTest(t.scissorTest)}function R_(e,t={}){return t.background=e.background,t.backgroundNode=e.backgroundNode,t.overrideMaterial=e.overrideMaterial,t}function E_(e,t){return t=R_(e,t),e.background=null,e.backgroundNode=null,e.overrideMaterial=null,t}function A_(e,t){e.background=t.background,e.backgroundNode=t.backgroundNode,e.overrideMaterial=t.overrideMaterial}function w_(e,t,r){return r=E_(t,r=N_(e,r))}function C_(e,t,r){S_(e,r),A_(t,r)}var M_=Object.freeze({__proto__:null,resetRendererAndSceneState:w_,resetRendererState:N_,resetSceneState:E_,restoreRendererAndSceneState:C_,restoreRendererState:S_,restoreSceneState:A_,saveRendererAndSceneState:function(e,t,r={}){return r=R_(t,r=v_(e,r))},saveRendererState:v_,saveSceneState:R_});const B_=new WeakMap,F_=un(({depthTexture:e,shadowCoord:t,depthLayer:r})=>{let s=Pl(e,t.xy).setName("t_basic");return e.isArrayTexture&&(s=s.depth(r)),s.compare(t.z)}),L_=un(({depthTexture:e,shadowCoord:t,shadow:r,depthLayer:s})=>{const i=(t,r)=>{let i=Pl(e,t);return e.isArrayTexture&&(i=i.depth(s)),i.compare(r)},n=Fc("mapSize","vec2",r).setGroup(ba),a=Fc("radius","float",r).setGroup(ba),o=bn(1).div(n),u=a.mul(o.x),l=px(Kl.xy).mul(6.28318530718);return Ma(i(t.xy.add(gx(0,5,l).mul(u)),t.z),i(t.xy.add(gx(1,5,l).mul(u)),t.z),i(t.xy.add(gx(2,5,l).mul(u)),t.z),i(t.xy.add(gx(3,5,l).mul(u)),t.z),i(t.xy.add(gx(4,5,l).mul(u)),t.z)).mul(.2)}),P_=un(({depthTexture:e,shadowCoord:t,shadow:r,depthLayer:s})=>{const i=(t,r)=>{let i=Pl(e,t);return e.isArrayTexture&&(i=i.depth(s)),i.compare(r)},n=Fc("mapSize","vec2",r).setGroup(ba),a=bn(1).div(n),o=a.x,u=a.y,l=t.xy,d=No(l.mul(n).add(.5));return l.subAssign(d.mul(a)),Ma(i(l,t.z),i(l.add(bn(o,0)),t.z),i(l.add(bn(0,u)),t.z),i(l.add(a),t.z),nu(i(l.add(bn(o.negate(),0)),t.z),i(l.add(bn(o.mul(2),0)),t.z),d.x),nu(i(l.add(bn(o.negate(),u)),t.z),i(l.add(bn(o.mul(2),u)),t.z),d.x),nu(i(l.add(bn(0,u.negate())),t.z),i(l.add(bn(0,u.mul(2))),t.z),d.y),nu(i(l.add(bn(o,u.negate())),t.z),i(l.add(bn(o,u.mul(2))),t.z),d.y),nu(nu(i(l.add(bn(o.negate(),u.negate())),t.z),i(l.add(bn(o.mul(2),u.negate())),t.z),d.x),nu(i(l.add(bn(o.negate(),u.mul(2))),t.z),i(l.add(bn(o.mul(2),u.mul(2))),t.z),d.x),d.y)).mul(1/9)}),D_=un(({depthTexture:e,shadowCoord:t,depthLayer:r})=>{let s=Pl(e).sample(t.xy);e.isArrayTexture&&(s=s.depth(r)),s=s.rg;const i=s.x,n=Ho(1e-7,s.y.mul(s.y)),a=qo(t.z,i),o=gn(1).toVar();return cn(a.notEqual(1),()=>{const e=t.z.sub(i);let r=n.div(n.add(e.mul(e)));r=au(Ba(r,.3).div(.65)),o.assign(Ho(a,r))}),o}),U_=e=>{let t=B_.get(e);return void 0===t&&(t=new pg,t.colorNode=En(0,0,0,1),t.isShadowPassMaterial=!0,t.name="ShadowMaterial",t.blending=ee,t.fog=!1,B_.set(e,t)),t},I_=e=>{const t=B_.get(e);void 0!==t&&(t.dispose(),B_.delete(e))},O_=new hy,V_=[],k_=(e,t,r,s)=>{V_[0]=e,V_[1]=t;let i=O_.get(V_);return void 0!==i&&i.shadowType===r&&i.useVelocity===s||(i=(i,n,a,o,u,l,...d)=>{(!0===i.castShadow||i.receiveShadow&&r===Ye)&&(s&&(Xs(i).useVelocity=!0),i.onBeforeShadow(e,i,a,t.camera,o,n.overrideMaterial,l),e.renderObject(i,n,a,o,u,l,...d),i.onAfterShadow(e,i,a,t.camera,o,n.overrideMaterial,l))},i.shadowType=r,i.useVelocity=s,O_.set(V_,i)),V_[0]=null,V_[1]=null,i},G_=un(({samples:e,radius:t,size:r,shadowPass:s,depthLayer:i})=>{const n=gn(0).toVar("meanVertical"),a=gn(0).toVar("squareMeanVertical"),o=e.lessThanEqual(gn(1)).select(gn(0),gn(2).div(e.sub(1))),u=e.lessThanEqual(gn(1)).select(gn(0),gn(-1));Sp({start:mn(0),end:mn(e),type:"int",condition:"<"},({i:e})=>{const l=u.add(gn(e).mul(o));let d=s.sample(Ma(Kl.xy,bn(0,l).mul(t)).div(r));s.value.isArrayTexture&&(d=d.depth(i)),d=d.x,n.addAssign(d),a.addAssign(d.mul(d))}),n.divAssign(e),a.divAssign(e);const l=bo(a.sub(n.mul(n)).max(0));return bn(n,l)}),z_=un(({samples:e,radius:t,size:r,shadowPass:s,depthLayer:i})=>{const n=gn(0).toVar("meanHorizontal"),a=gn(0).toVar("squareMeanHorizontal"),o=e.lessThanEqual(gn(1)).select(gn(0),gn(2).div(e.sub(1))),u=e.lessThanEqual(gn(1)).select(gn(0),gn(-1));Sp({start:mn(0),end:mn(e),type:"int",condition:"<"},({i:e})=>{const l=u.add(gn(e).mul(o));let d=s.sample(Ma(Kl.xy,bn(l,0).mul(t)).div(r));s.value.isArrayTexture&&(d=d.depth(i)),n.addAssign(d.x),a.addAssign(Ma(d.y.mul(d.y),d.x.mul(d.x)))}),n.divAssign(e),a.divAssign(e);const l=bo(a.sub(n.mul(n)).max(0));return bn(n,l)}),$_=[F_,L_,P_,D_];let W_;const H_=new ax;class q_ extends T_{static get type(){return"ShadowNode"}constructor(e,t=null){super(e),this.shadow=t||e.shadow,this.shadowMap=null,this.vsmShadowMapVertical=null,this.vsmShadowMapHorizontal=null,this.vsmMaterialVertical=null,this.vsmMaterialHorizontal=null,this._node=null,this._currentShadowType=null,this._cameraFrameId=new WeakMap,this.isShadowNode=!0,this.depthLayer=0}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i,depthLayer:n}){const a=s.x.greaterThanEqual(0).and(s.x.lessThanEqual(1)).and(s.y.greaterThanEqual(0)).and(s.y.lessThanEqual(1)).and(s.z.lessThanEqual(1)),o=t({depthTexture:r,shadowCoord:s,shadow:i,depthLayer:n});return a.select(o,gn(1))}setupShadowCoord(e,t){const{shadow:r}=this,{renderer:s}=e,i=r.biasNode||Fc("bias","float",r).setGroup(ba);let n,a=t;if(r.camera.isOrthographicCamera||!0!==s.logarithmicDepthBuffer)a=a.xyz.div(a.w),n=a.z,s.coordinateSystem===h&&(n=n.mul(2).sub(1));else{const e=a.w;a=a.xy.div(e);const t=Fc("near","float",r.camera).setGroup(ba),s=Fc("far","float",r.camera).setGroup(ba);n=Kp(e.negate(),t,s)}return a=vn(a.x,a.y.oneMinus(),n.add(i)),a}getShadowFilterFn(e){return $_[e]}setupRenderTarget(e,t){const r=new Y(e.mapSize.width,e.mapSize.height);r.name="ShadowDepthTexture",r.compareFunction=Qe;const s=t.createRenderTarget(e.mapSize.width,e.mapSize.height);return s.texture.name="ShadowMap",s.texture.type=e.mapType,s.depthTexture=r,{shadowMap:s,depthTexture:r}}setupShadow(e){const{renderer:t,camera:r}=e,{light:s,shadow:i}=this,{depthTexture:n,shadowMap:a}=this.setupRenderTarget(i,e),o=t.shadowMap.type;if(o===Ze||o===Je?(n.minFilter=oe,n.magFilter=oe):(n.minFilter=w,n.magFilter=w),i.camera.coordinateSystem=r.coordinateSystem,i.camera.updateProjectionMatrix(),o===Ye&&!0!==i.isPointLightShadow){n.compareFunction=null,a.depth>1?(a._vsmShadowMapVertical||(a._vsmShadowMapVertical=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:G,type:be,depth:a.depth,depthBuffer:!1}),a._vsmShadowMapVertical.texture.name="VSMVertical"),this.vsmShadowMapVertical=a._vsmShadowMapVertical,a._vsmShadowMapHorizontal||(a._vsmShadowMapHorizontal=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:G,type:be,depth:a.depth,depthBuffer:!1}),a._vsmShadowMapHorizontal.texture.name="VSMHorizontal"),this.vsmShadowMapHorizontal=a._vsmShadowMapHorizontal):(this.vsmShadowMapVertical=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:G,type:be,depthBuffer:!1}),this.vsmShadowMapHorizontal=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:G,type:be,depthBuffer:!1}));let t=Pl(n);n.isArrayTexture&&(t=t.depth(this.depthLayer));let r=Pl(this.vsmShadowMapVertical.texture);n.isArrayTexture&&(r=r.depth(this.depthLayer));const s=Fc("blurSamples","float",i).setGroup(ba),o=Fc("radius","float",i).setGroup(ba),u=Fc("mapSize","vec2",i).setGroup(ba);let l=this.vsmMaterialVertical||(this.vsmMaterialVertical=new pg);l.fragmentNode=G_({samples:s,radius:o,size:u,shadowPass:t,depthLayer:this.depthLayer}).context(e.getSharedContext()),l.name="VSMVertical",l=this.vsmMaterialHorizontal||(this.vsmMaterialHorizontal=new pg),l.fragmentNode=z_({samples:s,radius:o,size:u,shadowPass:r,depthLayer:this.depthLayer}).context(e.getSharedContext()),l.name="VSMHorizontal"}const u=Fc("intensity","float",i).setGroup(ba),l=Fc("normalBias","float",i).setGroup(ba),d=d_(s).mul(__.add(dc.mul(l))),c=this.setupShadowCoord(e,d),h=i.filterNode||this.getShadowFilterFn(t.shadowMap.type)||null;if(null===h)throw new Error("THREE.WebGPURenderer: Shadow map type not supported yet.");const p=o===Ye&&!0!==i.isPointLightShadow?this.vsmShadowMapHorizontal.texture:n,g=this.setupShadowFilter(e,{filterFn:h,shadowTexture:a.texture,depthTexture:p,shadowCoord:c,shadow:i,depthLayer:this.depthLayer});let m,f;!0===t.shadowMap.transmitted&&(a.texture.isCubeTexture?m=Cc(a.texture,c.xyz):(m=Pl(a.texture,c),n.isArrayTexture&&(m=m.depth(this.depthLayer)))),f=m?nu(1,g.rgb.mix(m,1),u.mul(m.a)).toVar():nu(1,g,u).toVar(),this.shadowMap=a,this.shadow.map=a;const y=`${this.light.type} Shadow [ ${this.light.name||"ID: "+this.light.id} ]`;return m&&f.toInspector(`${y} / Color`,()=>this.shadowMap.texture.isCubeTexture?Cc(this.shadowMap.texture):Pl(this.shadowMap.texture)),f.toInspector(`${y} / Depth`,()=>this.shadowMap.texture.isCubeTexture?Cc(this.shadowMap.texture).r.oneMinus():Dl(this.shadowMap.depthTexture,Rl().mul(Al(Pl(this.shadowMap.depthTexture)))).r.oneMinus())}setup(e){if(!1!==e.renderer.shadowMap.enabled)return un(()=>{const t=e.renderer.shadowMap.type;this._currentShadowType!==t&&(this._reset(),this._node=null);let r=this._node;return this.setupShadowPosition(e),null===r&&(this._node=r=this.setupShadow(e),this._currentShadowType=t),e.material.receivedShadowNode&&(r=e.material.receivedShadowNode(r)),r})()}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e;t.updateMatrices(s),r.setSize(t.mapSize.width,t.mapSize.height,r.depth);const a=n.name;n.name=`Shadow Map [ ${s.name||"ID: "+s.id} ]`,i.render(n,t.camera),n.name=a}updateShadow(e){const{shadowMap:t,light:r,shadow:s}=this,{renderer:i,scene:n,camera:a}=e,o=i.shadowMap.type,u=t.depthTexture.version;this._depthVersionCached=u;const l=s.camera.layers.mask;4294967294&s.camera.layers.mask||(s.camera.layers.mask=a.layers.mask);const d=i.getRenderObjectFunction(),c=i.getMRT(),h=!!c&&c.has("velocity");W_=w_(i,n,W_),n.overrideMaterial=U_(r),i.setRenderObjectFunction(k_(i,s,o,h)),i.setClearColor(0,0),i.setRenderTarget(t),this.renderShadow(e),i.setRenderObjectFunction(d),o===Ye&&!0!==s.isPointLightShadow&&this.vsmPass(i),s.camera.layers.mask=l,C_(i,n,W_)}vsmPass(e){const{shadow:t}=this,r=this.shadowMap.depth;this.vsmShadowMapVertical.setSize(t.mapSize.width,t.mapSize.height,r),this.vsmShadowMapHorizontal.setSize(t.mapSize.width,t.mapSize.height,r),e.setRenderTarget(this.vsmShadowMapVertical),H_.material=this.vsmMaterialVertical,H_.render(e),e.setRenderTarget(this.vsmShadowMapHorizontal),H_.material=this.vsmMaterialHorizontal,H_.render(e)}dispose(){this._reset(),super.dispose()}_reset(){this._currentShadowType=null,I_(this.light),this.shadowMap&&(this.shadowMap.dispose(),this.shadowMap=null),null!==this.vsmShadowMapVertical&&(this.vsmShadowMapVertical.dispose(),this.vsmShadowMapVertical=null,this.vsmMaterialVertical.dispose(),this.vsmMaterialVertical=null),null!==this.vsmShadowMapHorizontal&&(this.vsmShadowMapHorizontal.dispose(),this.vsmShadowMapHorizontal=null,this.vsmMaterialHorizontal.dispose(),this.vsmMaterialHorizontal=null)}updateBefore(e){const{shadow:t}=this;let r=t.needsUpdate||t.autoUpdate;r&&(this._cameraFrameId[e.camera]===e.frameId&&(r=!1),this._cameraFrameId[e.camera]=e.frameId),r&&(this.updateShadow(e),this.shadowMap.depthTexture.version===this._depthVersionCached&&(t.needsUpdate=!1))}}const j_=(e,t)=>new q_(e,t),X_=new e,K_=new a,Y_=new r,Q_=new r,Z_=[new r(1,0,0),new r(-1,0,0),new r(0,-1,0),new r(0,1,0),new r(0,0,1),new r(0,0,-1)],J_=[new r(0,-1,0),new r(0,-1,0),new r(0,0,-1),new r(0,0,1),new r(0,-1,0),new r(0,-1,0)],ev=[new r(1,0,0),new r(-1,0,0),new r(0,1,0),new r(0,-1,0),new r(0,0,1),new r(0,0,-1)],tv=[new r(0,-1,0),new r(0,-1,0),new r(0,0,1),new r(0,0,-1),new r(0,-1,0),new r(0,-1,0)],rv=un(({depthTexture:e,bd3D:t,dp:r})=>Cc(e,t).compare(r)),sv=un(({depthTexture:e,bd3D:t,dp:r,shadow:s})=>{const i=Fc("radius","float",s).setGroup(ba),n=Fc("mapSize","vec2",s).setGroup(ba),a=i.div(n.x),o=Mo(t),u=vo(Qo(t,o.x.greaterThan(o.z).select(vn(0,1,0),vn(1,0,0)))),l=Qo(t,u),d=px(Kl.xy).mul(6.28318530718),c=gx(0,5,d),h=gx(1,5,d),p=gx(2,5,d),g=gx(3,5,d),m=gx(4,5,d);return Cc(e,t.add(u.mul(c.x).add(l.mul(c.y)).mul(a))).compare(r).add(Cc(e,t.add(u.mul(h.x).add(l.mul(h.y)).mul(a))).compare(r)).add(Cc(e,t.add(u.mul(p.x).add(l.mul(p.y)).mul(a))).compare(r)).add(Cc(e,t.add(u.mul(g.x).add(l.mul(g.y)).mul(a))).compare(r)).add(Cc(e,t.add(u.mul(m.x).add(l.mul(m.y)).mul(a))).compare(r)).mul(.2)}),iv=un(({filterFn:e,depthTexture:t,shadowCoord:r,shadow:s})=>{const i=r.xyz.toConst(),n=i.abs().toConst(),a=n.x.max(n.y).max(n.z),o=_a("float").setGroup(ba).onRenderUpdate(()=>s.camera.near),u=_a("float").setGroup(ba).onRenderUpdate(()=>s.camera.far),l=Fc("bias","float",s).setGroup(ba),d=gn(1).toVar();return cn(a.sub(u).lessThanEqual(0).and(a.sub(o).greaterThanEqual(0)),()=>{const r=jp(a.negate(),o,u);r.addAssign(l);const n=i.normalize();d.assign(e({depthTexture:t,bd3D:n,dp:r,shadow:s}))}),d});class nv extends q_{static get type(){return"PointShadowNode"}constructor(e,t=null){super(e,t)}getShadowFilterFn(e){return e===et?rv:sv}setupShadowCoord(e,t){return t}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i}){return iv({filterFn:t,depthTexture:r,shadowCoord:s,shadow:i})}setupRenderTarget(e,t){const r=new tt(e.mapSize.width);r.name="PointShadowDepthTexture",r.compareFunction=Qe;const s=t.createCubeRenderTarget(e.mapSize.width);return s.texture.name="PointShadowMap",s.depthTexture=r,{shadowMap:s,depthTexture:r}}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e,a=t.camera,o=t.matrix,u=i.coordinateSystem===h,l=u?Z_:ev,d=u?J_:tv;r.setSize(t.mapSize.width,t.mapSize.width);const c=i.autoClear,p=i.getClearColor(X_),g=i.getClearAlpha();i.autoClear=!1,i.setClearColor(t.clearColor,t.clearAlpha);for(let e=0;e<6;e++){i.setRenderTarget(r,e),i.clear();const u=s.distance||a.far;u!==a.far&&(a.far=u,a.updateProjectionMatrix()),Y_.setFromMatrixPosition(s.matrixWorld),a.position.copy(Y_),Q_.copy(a.position),Q_.add(l[e]),a.up.copy(d[e]),a.lookAt(Q_),a.updateMatrixWorld(),o.makeTranslation(-Y_.x,-Y_.y,-Y_.z),K_.multiplyMatrices(a.projectionMatrix,a.matrixWorldInverse),t._frustum.setFromProjectionMatrix(K_,a.coordinateSystem,a.reversedDepth);const c=n.name;n.name=`Point Light Shadow [ ${s.name||"ID: "+s.id} ] - Face ${e+1}`,i.render(n,a),n.name=c}i.autoClear=c,i.setClearColor(p,g)}}const av=(e,t)=>new nv(e,t);class ov extends Bp{static get type(){return"AnalyticLightNode"}constructor(t=null){super(),this.light=t,this.color=new e,this.colorNode=t&&t.colorNode||_a(this.color).setGroup(ba),this.baseColorNode=null,this.shadowNode=null,this.shadowColorNode=null,this.isAnalyticLightNode=!0,this.updateType=Js.FRAME,t&&t.shadow&&(this._shadowDisposeListener=()=>{this.disposeShadow()},t.addEventListener("dispose",this._shadowDisposeListener))}dispose(){this._shadowDisposeListener&&this.light.removeEventListener("dispose",this._shadowDisposeListener),super.dispose()}disposeShadow(){null!==this.shadowNode&&(this.shadowNode.dispose(),this.shadowNode=null),this.shadowColorNode=null,null!==this.baseColorNode&&(this.colorNode=this.baseColorNode,this.baseColorNode=null)}getHash(){return this.light.uuid}getLightVector(e){return g_(this.light).sub(e.context.positionView||Zd)}setupDirect(){}setupDirectRectArea(){}setupShadowNode(){return j_(this.light)}setupShadow(e){const{renderer:t}=e;if(!1===t.shadowMap.enabled)return;let r=this.shadowColorNode;if(null===r){const e=this.light.shadow.shadowNode;let t;t=void 0!==e?Zi(e):this.setupShadowNode(),this.shadowNode=t,this.shadowColorNode=r=this.colorNode.mul(t),this.baseColorNode=this.colorNode}e.context.getShadow&&(r=e.context.getShadow(this,e)),this.colorNode=r}setup(e){this.colorNode=this.baseColorNode||this.colorNode,this.light.castShadow?e.object.receiveShadow&&this.setupShadow(e):null!==this.shadowNode&&(this.shadowNode.dispose(),this.shadowNode=null,this.shadowColorNode=null);const t=this.setupDirect(e),r=this.setupDirectRectArea(e);t&&e.lightsNode.setupDirectLight(e,this,t),r&&e.lightsNode.setupDirectRectAreaLight(e,this,r)}update(){const{light:e}=this;this.color.copy(e.color).multiplyScalar(e.intensity)}}const uv=un(({lightDistance:e,cutoffDistance:t,decayExponent:r})=>{const s=e.pow(r).max(.01).reciprocal();return t.greaterThan(0).select(s.mul(e.div(t).pow4().oneMinus().clamp().pow2()),s)}),lv=({color:e,lightVector:t,cutoffDistance:r,decayExponent:s})=>{const i=t.normalize(),n=t.length(),a=uv({lightDistance:n,cutoffDistance:r,decayExponent:s});return{lightDirection:i,lightColor:e.mul(a)}};class dv extends ov{static get type(){return"PointLightNode"}constructor(e=null){super(e),this.cutoffDistanceNode=_a(0).setGroup(ba),this.decayExponentNode=_a(2).setGroup(ba)}update(e){const{light:t}=this;super.update(e),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}setupShadowNode(){return av(this.light)}setupDirect(e){return lv({color:this.colorNode,lightVector:this.getLightVector(e),cutoffDistance:this.cutoffDistanceNode,decayExponent:this.decayExponentNode})}}const cv=un(([e=Rl()])=>{const t=e.mul(2),r=t.x.floor(),s=t.y.floor();return r.add(s).mod(2).sign()}),hv=un(([e=Rl()],{renderer:t,material:r})=>{const s=iu(e.mul(2).sub(1));let i;if(r.alphaToCoverage&&t.currentSamples>0){const e=gn(s.fwidth()).toVar();i=lu(e.oneMinus(),e.add(1),s).oneMinus()}else i=bu(s.greaterThan(1),0,1);return i}),pv=un(([e,t,r])=>{const s=gn(r).toVar(),i=gn(t).toVar(),n=yn(e).toVar();return bu(n,i,s)}).setLayout({name:"mx_select",type:"float",inputs:[{name:"b",type:"bool"},{name:"t",type:"float"},{name:"f",type:"float"}]}),gv=un(([e,t])=>{const r=yn(t).toVar(),s=gn(e).toVar();return bu(r,s.negate(),s)}).setLayout({name:"mx_negate_if",type:"float",inputs:[{name:"val",type:"float"},{name:"b",type:"bool"}]}),mv=un(([e])=>{const t=gn(e).toVar();return mn(To(t))}).setLayout({name:"mx_floor",type:"int",inputs:[{name:"x",type:"float"}]}),fv=un(([e,t])=>{const r=gn(e).toVar();return t.assign(mv(r)),r.sub(gn(t))}),yv=Bb([un(([e,t,r,s,i,n])=>{const a=gn(n).toVar(),o=gn(i).toVar(),u=gn(s).toVar(),l=gn(r).toVar(),d=gn(t).toVar(),c=gn(e).toVar(),h=gn(Ba(1,o)).toVar();return Ba(1,a).mul(c.mul(h).add(d.mul(o))).add(a.mul(l.mul(h).add(u.mul(o))))}).setLayout({name:"mx_bilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"}]}),un(([e,t,r,s,i,n])=>{const a=gn(n).toVar(),o=gn(i).toVar(),u=vn(s).toVar(),l=vn(r).toVar(),d=vn(t).toVar(),c=vn(e).toVar(),h=gn(Ba(1,o)).toVar();return Ba(1,a).mul(c.mul(h).add(d.mul(o))).add(a.mul(l.mul(h).add(u.mul(o))))}).setLayout({name:"mx_bilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"}]})]),bv=Bb([un(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=gn(d).toVar(),h=gn(l).toVar(),p=gn(u).toVar(),g=gn(o).toVar(),m=gn(a).toVar(),f=gn(n).toVar(),y=gn(i).toVar(),b=gn(s).toVar(),x=gn(r).toVar(),T=gn(t).toVar(),_=gn(e).toVar(),v=gn(Ba(1,p)).toVar(),N=gn(Ba(1,h)).toVar();return gn(Ba(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(x.mul(v).add(b.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))}).setLayout({name:"mx_trilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"v4",type:"float"},{name:"v5",type:"float"},{name:"v6",type:"float"},{name:"v7",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]}),un(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=gn(d).toVar(),h=gn(l).toVar(),p=gn(u).toVar(),g=vn(o).toVar(),m=vn(a).toVar(),f=vn(n).toVar(),y=vn(i).toVar(),b=vn(s).toVar(),x=vn(r).toVar(),T=vn(t).toVar(),_=vn(e).toVar(),v=gn(Ba(1,p)).toVar(),N=gn(Ba(1,h)).toVar();return gn(Ba(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(x.mul(v).add(b.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))}).setLayout({name:"mx_trilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"v4",type:"vec3"},{name:"v5",type:"vec3"},{name:"v6",type:"vec3"},{name:"v7",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]})]),xv=un(([e,t,r])=>{const s=gn(r).toVar(),i=gn(t).toVar(),n=fn(e).toVar(),a=fn(n.bitAnd(fn(7))).toVar(),o=gn(pv(a.lessThan(fn(4)),i,s)).toVar(),u=gn(Fa(2,pv(a.lessThan(fn(4)),s,i))).toVar();return gv(o,yn(a.bitAnd(fn(1)))).add(gv(u,yn(a.bitAnd(fn(2)))))}).setLayout({name:"mx_gradient_float_0",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"}]}),Tv=un(([e,t,r,s])=>{const i=gn(s).toVar(),n=gn(r).toVar(),a=gn(t).toVar(),o=fn(e).toVar(),u=fn(o.bitAnd(fn(15))).toVar(),l=gn(pv(u.lessThan(fn(8)),a,n)).toVar(),d=gn(pv(u.lessThan(fn(4)),n,pv(u.equal(fn(12)).or(u.equal(fn(14))),a,i))).toVar();return gv(l,yn(u.bitAnd(fn(1)))).add(gv(d,yn(u.bitAnd(fn(2)))))}).setLayout({name:"mx_gradient_float_1",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),_v=Bb([xv,Tv]),vv=un(([e,t,r])=>{const s=gn(r).toVar(),i=gn(t).toVar(),n=Sn(e).toVar();return vn(_v(n.x,i,s),_v(n.y,i,s),_v(n.z,i,s))}).setLayout({name:"mx_gradient_vec3_0",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"}]}),Nv=un(([e,t,r,s])=>{const i=gn(s).toVar(),n=gn(r).toVar(),a=gn(t).toVar(),o=Sn(e).toVar();return vn(_v(o.x,a,n,i),_v(o.y,a,n,i),_v(o.z,a,n,i))}).setLayout({name:"mx_gradient_vec3_1",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),Sv=Bb([vv,Nv]),Rv=un(([e])=>{const t=gn(e).toVar();return Fa(.6616,t)}).setLayout({name:"mx_gradient_scale2d_0",type:"float",inputs:[{name:"v",type:"float"}]}),Ev=un(([e])=>{const t=gn(e).toVar();return Fa(.982,t)}).setLayout({name:"mx_gradient_scale3d_0",type:"float",inputs:[{name:"v",type:"float"}]}),Av=Bb([Rv,un(([e])=>{const t=vn(e).toVar();return Fa(.6616,t)}).setLayout({name:"mx_gradient_scale2d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),wv=Bb([Ev,un(([e])=>{const t=vn(e).toVar();return Fa(.982,t)}).setLayout({name:"mx_gradient_scale3d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),Cv=un(([e,t])=>{const r=mn(t).toVar(),s=fn(e).toVar();return s.shiftLeft(r).bitOr(s.shiftRight(mn(32).sub(r)))}).setLayout({name:"mx_rotl32",type:"uint",inputs:[{name:"x",type:"uint"},{name:"k",type:"int"}]}),Mv=un(([e,t,r])=>{e.subAssign(r),e.bitXorAssign(Cv(r,mn(4))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(Cv(e,mn(6))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(Cv(t,mn(8))),t.addAssign(e),e.subAssign(r),e.bitXorAssign(Cv(r,mn(16))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(Cv(e,mn(19))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(Cv(t,mn(4))),t.addAssign(e)}),Bv=un(([e,t,r])=>{const s=fn(r).toVar(),i=fn(t).toVar(),n=fn(e).toVar();return s.bitXorAssign(i),s.subAssign(Cv(i,mn(14))),n.bitXorAssign(s),n.subAssign(Cv(s,mn(11))),i.bitXorAssign(n),i.subAssign(Cv(n,mn(25))),s.bitXorAssign(i),s.subAssign(Cv(i,mn(16))),n.bitXorAssign(s),n.subAssign(Cv(s,mn(4))),i.bitXorAssign(n),i.subAssign(Cv(n,mn(14))),s.bitXorAssign(i),s.subAssign(Cv(i,mn(24))),s}).setLayout({name:"mx_bjfinal",type:"uint",inputs:[{name:"a",type:"uint"},{name:"b",type:"uint"},{name:"c",type:"uint"}]}),Fv=un(([e])=>{const t=fn(e).toVar();return gn(t).div(gn(fn(mn(4294967295))))}).setLayout({name:"mx_bits_to_01",type:"float",inputs:[{name:"bits",type:"uint"}]}),Lv=un(([e])=>{const t=gn(e).toVar();return t.mul(t).mul(t).mul(t.mul(t.mul(6).sub(15)).add(10))}).setLayout({name:"mx_fade",type:"float",inputs:[{name:"t",type:"float"}]}),Pv=Bb([un(([e])=>{const t=mn(e).toVar(),r=fn(fn(1)).toVar(),s=fn(fn(mn(3735928559)).add(r.shiftLeft(fn(2))).add(fn(13))).toVar();return Bv(s.add(fn(t)),s,s)}).setLayout({name:"mx_hash_int_0",type:"uint",inputs:[{name:"x",type:"int"}]}),un(([e,t])=>{const r=mn(t).toVar(),s=mn(e).toVar(),i=fn(fn(2)).toVar(),n=fn().toVar(),a=fn().toVar(),o=fn().toVar();return n.assign(a.assign(o.assign(fn(mn(3735928559)).add(i.shiftLeft(fn(2))).add(fn(13))))),n.addAssign(fn(s)),a.addAssign(fn(r)),Bv(n,a,o)}).setLayout({name:"mx_hash_int_1",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),un(([e,t,r])=>{const s=mn(r).toVar(),i=mn(t).toVar(),n=mn(e).toVar(),a=fn(fn(3)).toVar(),o=fn().toVar(),u=fn().toVar(),l=fn().toVar();return o.assign(u.assign(l.assign(fn(mn(3735928559)).add(a.shiftLeft(fn(2))).add(fn(13))))),o.addAssign(fn(n)),u.addAssign(fn(i)),l.addAssign(fn(s)),Bv(o,u,l)}).setLayout({name:"mx_hash_int_2",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]}),un(([e,t,r,s])=>{const i=mn(s).toVar(),n=mn(r).toVar(),a=mn(t).toVar(),o=mn(e).toVar(),u=fn(fn(4)).toVar(),l=fn().toVar(),d=fn().toVar(),c=fn().toVar();return l.assign(d.assign(c.assign(fn(mn(3735928559)).add(u.shiftLeft(fn(2))).add(fn(13))))),l.addAssign(fn(o)),d.addAssign(fn(a)),c.addAssign(fn(n)),Mv(l,d,c),l.addAssign(fn(i)),Bv(l,d,c)}).setLayout({name:"mx_hash_int_3",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"}]}),un(([e,t,r,s,i])=>{const n=mn(i).toVar(),a=mn(s).toVar(),o=mn(r).toVar(),u=mn(t).toVar(),l=mn(e).toVar(),d=fn(fn(5)).toVar(),c=fn().toVar(),h=fn().toVar(),p=fn().toVar();return c.assign(h.assign(p.assign(fn(mn(3735928559)).add(d.shiftLeft(fn(2))).add(fn(13))))),c.addAssign(fn(l)),h.addAssign(fn(u)),p.addAssign(fn(o)),Mv(c,h,p),c.addAssign(fn(a)),h.addAssign(fn(n)),Bv(c,h,p)}).setLayout({name:"mx_hash_int_4",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"},{name:"yy",type:"int"}]})]),Dv=Bb([un(([e,t])=>{const r=mn(t).toVar(),s=mn(e).toVar(),i=fn(Pv(s,r)).toVar(),n=Sn().toVar();return n.x.assign(i.bitAnd(mn(255))),n.y.assign(i.shiftRight(mn(8)).bitAnd(mn(255))),n.z.assign(i.shiftRight(mn(16)).bitAnd(mn(255))),n}).setLayout({name:"mx_hash_vec3_0",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),un(([e,t,r])=>{const s=mn(r).toVar(),i=mn(t).toVar(),n=mn(e).toVar(),a=fn(Pv(n,i,s)).toVar(),o=Sn().toVar();return o.x.assign(a.bitAnd(mn(255))),o.y.assign(a.shiftRight(mn(8)).bitAnd(mn(255))),o.z.assign(a.shiftRight(mn(16)).bitAnd(mn(255))),o}).setLayout({name:"mx_hash_vec3_1",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]})]),Uv=Bb([un(([e])=>{const t=bn(e).toVar(),r=mn().toVar(),s=mn().toVar(),i=gn(fv(t.x,r)).toVar(),n=gn(fv(t.y,s)).toVar(),a=gn(Lv(i)).toVar(),o=gn(Lv(n)).toVar(),u=gn(yv(_v(Pv(r,s),i,n),_v(Pv(r.add(mn(1)),s),i.sub(1),n),_v(Pv(r,s.add(mn(1))),i,n.sub(1)),_v(Pv(r.add(mn(1)),s.add(mn(1))),i.sub(1),n.sub(1)),a,o)).toVar();return Av(u)}).setLayout({name:"mx_perlin_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"}]}),un(([e])=>{const t=vn(e).toVar(),r=mn().toVar(),s=mn().toVar(),i=mn().toVar(),n=gn(fv(t.x,r)).toVar(),a=gn(fv(t.y,s)).toVar(),o=gn(fv(t.z,i)).toVar(),u=gn(Lv(n)).toVar(),l=gn(Lv(a)).toVar(),d=gn(Lv(o)).toVar(),c=gn(bv(_v(Pv(r,s,i),n,a,o),_v(Pv(r.add(mn(1)),s,i),n.sub(1),a,o),_v(Pv(r,s.add(mn(1)),i),n,a.sub(1),o),_v(Pv(r.add(mn(1)),s.add(mn(1)),i),n.sub(1),a.sub(1),o),_v(Pv(r,s,i.add(mn(1))),n,a,o.sub(1)),_v(Pv(r.add(mn(1)),s,i.add(mn(1))),n.sub(1),a,o.sub(1)),_v(Pv(r,s.add(mn(1)),i.add(mn(1))),n,a.sub(1),o.sub(1)),_v(Pv(r.add(mn(1)),s.add(mn(1)),i.add(mn(1))),n.sub(1),a.sub(1),o.sub(1)),u,l,d)).toVar();return wv(c)}).setLayout({name:"mx_perlin_noise_float_1",type:"float",inputs:[{name:"p",type:"vec3"}]})]),Iv=Bb([un(([e])=>{const t=bn(e).toVar(),r=mn().toVar(),s=mn().toVar(),i=gn(fv(t.x,r)).toVar(),n=gn(fv(t.y,s)).toVar(),a=gn(Lv(i)).toVar(),o=gn(Lv(n)).toVar(),u=vn(yv(Sv(Dv(r,s),i,n),Sv(Dv(r.add(mn(1)),s),i.sub(1),n),Sv(Dv(r,s.add(mn(1))),i,n.sub(1)),Sv(Dv(r.add(mn(1)),s.add(mn(1))),i.sub(1),n.sub(1)),a,o)).toVar();return Av(u)}).setLayout({name:"mx_perlin_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"vec2"}]}),un(([e])=>{const t=vn(e).toVar(),r=mn().toVar(),s=mn().toVar(),i=mn().toVar(),n=gn(fv(t.x,r)).toVar(),a=gn(fv(t.y,s)).toVar(),o=gn(fv(t.z,i)).toVar(),u=gn(Lv(n)).toVar(),l=gn(Lv(a)).toVar(),d=gn(Lv(o)).toVar(),c=vn(bv(Sv(Dv(r,s,i),n,a,o),Sv(Dv(r.add(mn(1)),s,i),n.sub(1),a,o),Sv(Dv(r,s.add(mn(1)),i),n,a.sub(1),o),Sv(Dv(r.add(mn(1)),s.add(mn(1)),i),n.sub(1),a.sub(1),o),Sv(Dv(r,s,i.add(mn(1))),n,a,o.sub(1)),Sv(Dv(r.add(mn(1)),s,i.add(mn(1))),n.sub(1),a,o.sub(1)),Sv(Dv(r,s.add(mn(1)),i.add(mn(1))),n,a.sub(1),o.sub(1)),Sv(Dv(r.add(mn(1)),s.add(mn(1)),i.add(mn(1))),n.sub(1),a.sub(1),o.sub(1)),u,l,d)).toVar();return wv(c)}).setLayout({name:"mx_perlin_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec3"}]})]),Ov=Bb([un(([e])=>{const t=gn(e).toVar(),r=mn(mv(t)).toVar();return Fv(Pv(r))}).setLayout({name:"mx_cell_noise_float_0",type:"float",inputs:[{name:"p",type:"float"}]}),un(([e])=>{const t=bn(e).toVar(),r=mn(mv(t.x)).toVar(),s=mn(mv(t.y)).toVar();return Fv(Pv(r,s))}).setLayout({name:"mx_cell_noise_float_1",type:"float",inputs:[{name:"p",type:"vec2"}]}),un(([e])=>{const t=vn(e).toVar(),r=mn(mv(t.x)).toVar(),s=mn(mv(t.y)).toVar(),i=mn(mv(t.z)).toVar();return Fv(Pv(r,s,i))}).setLayout({name:"mx_cell_noise_float_2",type:"float",inputs:[{name:"p",type:"vec3"}]}),un(([e])=>{const t=En(e).toVar(),r=mn(mv(t.x)).toVar(),s=mn(mv(t.y)).toVar(),i=mn(mv(t.z)).toVar(),n=mn(mv(t.w)).toVar();return Fv(Pv(r,s,i,n))}).setLayout({name:"mx_cell_noise_float_3",type:"float",inputs:[{name:"p",type:"vec4"}]})]),Vv=Bb([un(([e])=>{const t=gn(e).toVar(),r=mn(mv(t)).toVar();return vn(Fv(Pv(r,mn(0))),Fv(Pv(r,mn(1))),Fv(Pv(r,mn(2))))}).setLayout({name:"mx_cell_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"float"}]}),un(([e])=>{const t=bn(e).toVar(),r=mn(mv(t.x)).toVar(),s=mn(mv(t.y)).toVar();return vn(Fv(Pv(r,s,mn(0))),Fv(Pv(r,s,mn(1))),Fv(Pv(r,s,mn(2))))}).setLayout({name:"mx_cell_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec2"}]}),un(([e])=>{const t=vn(e).toVar(),r=mn(mv(t.x)).toVar(),s=mn(mv(t.y)).toVar(),i=mn(mv(t.z)).toVar();return vn(Fv(Pv(r,s,i,mn(0))),Fv(Pv(r,s,i,mn(1))),Fv(Pv(r,s,i,mn(2))))}).setLayout({name:"mx_cell_noise_vec3_2",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),un(([e])=>{const t=En(e).toVar(),r=mn(mv(t.x)).toVar(),s=mn(mv(t.y)).toVar(),i=mn(mv(t.z)).toVar(),n=mn(mv(t.w)).toVar();return vn(Fv(Pv(r,s,i,n,mn(0))),Fv(Pv(r,s,i,n,mn(1))),Fv(Pv(r,s,i,n,mn(2))))}).setLayout({name:"mx_cell_noise_vec3_3",type:"vec3",inputs:[{name:"p",type:"vec4"}]})]),kv=un(([e,t,r,s])=>{const i=gn(s).toVar(),n=gn(r).toVar(),a=mn(t).toVar(),o=vn(e).toVar(),u=gn(0).toVar(),l=gn(1).toVar();return Sp(a,()=>{u.addAssign(l.mul(Uv(o))),l.mulAssign(i),o.mulAssign(n)}),u}).setLayout({name:"mx_fractal_noise_float",type:"float",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),Gv=un(([e,t,r,s])=>{const i=gn(s).toVar(),n=gn(r).toVar(),a=mn(t).toVar(),o=vn(e).toVar(),u=vn(0).toVar(),l=gn(1).toVar();return Sp(a,()=>{u.addAssign(l.mul(Iv(o))),l.mulAssign(i),o.mulAssign(n)}),u}).setLayout({name:"mx_fractal_noise_vec3",type:"vec3",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),zv=un(([e,t,r,s])=>{const i=gn(s).toVar(),n=gn(r).toVar(),a=mn(t).toVar(),o=vn(e).toVar();return bn(kv(o,a,n,i),kv(o.add(vn(mn(19),mn(193),mn(17))),a,n,i))}).setLayout({name:"mx_fractal_noise_vec2",type:"vec2",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),$v=un(([e,t,r,s])=>{const i=gn(s).toVar(),n=gn(r).toVar(),a=mn(t).toVar(),o=vn(e).toVar(),u=vn(Gv(o,a,n,i)).toVar(),l=gn(kv(o.add(vn(mn(19),mn(193),mn(17))),a,n,i)).toVar();return En(u,l)}).setLayout({name:"mx_fractal_noise_vec4",type:"vec4",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),Wv=Bb([un(([e,t,r,s,i,n,a])=>{const o=mn(a).toVar(),u=gn(n).toVar(),l=mn(i).toVar(),d=mn(s).toVar(),c=mn(r).toVar(),h=mn(t).toVar(),p=bn(e).toVar(),g=vn(Vv(bn(h.add(d),c.add(l)))).toVar(),m=bn(g.x,g.y).toVar();m.subAssign(.5),m.mulAssign(u),m.addAssign(.5);const f=bn(bn(gn(h),gn(c)).add(m)).toVar(),y=bn(f.sub(p)).toVar();return cn(o.equal(mn(2)),()=>Mo(y.x).add(Mo(y.y))),cn(o.equal(mn(3)),()=>Ho(Mo(y.x),Mo(y.y))),Yo(y,y)}).setLayout({name:"mx_worley_distance_0",type:"float",inputs:[{name:"p",type:"vec2"},{name:"x",type:"int"},{name:"y",type:"int"},{name:"xoff",type:"int"},{name:"yoff",type:"int"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),un(([e,t,r,s,i,n,a,o,u])=>{const l=mn(u).toVar(),d=gn(o).toVar(),c=mn(a).toVar(),h=mn(n).toVar(),p=mn(i).toVar(),g=mn(s).toVar(),m=mn(r).toVar(),f=mn(t).toVar(),y=vn(e).toVar(),b=vn(Vv(vn(f.add(p),m.add(h),g.add(c)))).toVar();b.subAssign(.5),b.mulAssign(d),b.addAssign(.5);const x=vn(vn(gn(f),gn(m),gn(g)).add(b)).toVar(),T=vn(x.sub(y)).toVar();return cn(l.equal(mn(2)),()=>Mo(T.x).add(Mo(T.y)).add(Mo(T.z))),cn(l.equal(mn(3)),()=>Ho(Mo(T.x),Mo(T.y),Mo(T.z))),Yo(T,T)}).setLayout({name:"mx_worley_distance_1",type:"float",inputs:[{name:"p",type:"vec3"},{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xoff",type:"int"},{name:"yoff",type:"int"},{name:"zoff",type:"int"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),Hv=un(([e,t,r])=>{const s=mn(r).toVar(),i=gn(t).toVar(),n=bn(e).toVar(),a=mn().toVar(),o=mn().toVar(),u=bn(fv(n.x,a),fv(n.y,o)).toVar(),l=gn(1e6).toVar();return Sp({start:-1,end:mn(1),name:"x",condition:"<="},({x:e})=>{Sp({start:-1,end:mn(1),name:"y",condition:"<="},({y:t})=>{const r=gn(Wv(u,e,t,a,o,i,s)).toVar();l.assign(Wo(l,r))})}),cn(s.equal(mn(0)),()=>{l.assign(bo(l))}),l}).setLayout({name:"mx_worley_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),qv=un(([e,t,r])=>{const s=mn(r).toVar(),i=gn(t).toVar(),n=bn(e).toVar(),a=mn().toVar(),o=mn().toVar(),u=bn(fv(n.x,a),fv(n.y,o)).toVar(),l=bn(1e6,1e6).toVar();return Sp({start:-1,end:mn(1),name:"x",condition:"<="},({x:e})=>{Sp({start:-1,end:mn(1),name:"y",condition:"<="},({y:t})=>{const r=gn(Wv(u,e,t,a,o,i,s)).toVar();cn(r.lessThan(l.x),()=>{l.y.assign(l.x),l.x.assign(r)}).ElseIf(r.lessThan(l.y),()=>{l.y.assign(r)})})}),cn(s.equal(mn(0)),()=>{l.assign(bo(l))}),l}).setLayout({name:"mx_worley_noise_vec2_0",type:"vec2",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),jv=un(([e,t,r])=>{const s=mn(r).toVar(),i=gn(t).toVar(),n=bn(e).toVar(),a=mn().toVar(),o=mn().toVar(),u=bn(fv(n.x,a),fv(n.y,o)).toVar(),l=vn(1e6,1e6,1e6).toVar();return Sp({start:-1,end:mn(1),name:"x",condition:"<="},({x:e})=>{Sp({start:-1,end:mn(1),name:"y",condition:"<="},({y:t})=>{const r=gn(Wv(u,e,t,a,o,i,s)).toVar();cn(r.lessThan(l.x),()=>{l.z.assign(l.y),l.y.assign(l.x),l.x.assign(r)}).ElseIf(r.lessThan(l.y),()=>{l.z.assign(l.y),l.y.assign(r)}).ElseIf(r.lessThan(l.z),()=>{l.z.assign(r)})})}),cn(s.equal(mn(0)),()=>{l.assign(bo(l))}),l}).setLayout({name:"mx_worley_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),Xv=Bb([Hv,un(([e,t,r])=>{const s=mn(r).toVar(),i=gn(t).toVar(),n=vn(e).toVar(),a=mn().toVar(),o=mn().toVar(),u=mn().toVar(),l=vn(fv(n.x,a),fv(n.y,o),fv(n.z,u)).toVar(),d=gn(1e6).toVar();return Sp({start:-1,end:mn(1),name:"x",condition:"<="},({x:e})=>{Sp({start:-1,end:mn(1),name:"y",condition:"<="},({y:t})=>{Sp({start:-1,end:mn(1),name:"z",condition:"<="},({z:r})=>{const n=gn(Wv(l,e,t,r,a,o,u,i,s)).toVar();d.assign(Wo(d,n))})})}),cn(s.equal(mn(0)),()=>{d.assign(bo(d))}),d}).setLayout({name:"mx_worley_noise_float_1",type:"float",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),Kv=Bb([qv,un(([e,t,r])=>{const s=mn(r).toVar(),i=gn(t).toVar(),n=vn(e).toVar(),a=mn().toVar(),o=mn().toVar(),u=mn().toVar(),l=vn(fv(n.x,a),fv(n.y,o),fv(n.z,u)).toVar(),d=bn(1e6,1e6).toVar();return Sp({start:-1,end:mn(1),name:"x",condition:"<="},({x:e})=>{Sp({start:-1,end:mn(1),name:"y",condition:"<="},({y:t})=>{Sp({start:-1,end:mn(1),name:"z",condition:"<="},({z:r})=>{const n=gn(Wv(l,e,t,r,a,o,u,i,s)).toVar();cn(n.lessThan(d.x),()=>{d.y.assign(d.x),d.x.assign(n)}).ElseIf(n.lessThan(d.y),()=>{d.y.assign(n)})})})}),cn(s.equal(mn(0)),()=>{d.assign(bo(d))}),d}).setLayout({name:"mx_worley_noise_vec2_1",type:"vec2",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),Yv=Bb([jv,un(([e,t,r])=>{const s=mn(r).toVar(),i=gn(t).toVar(),n=vn(e).toVar(),a=mn().toVar(),o=mn().toVar(),u=mn().toVar(),l=vn(fv(n.x,a),fv(n.y,o),fv(n.z,u)).toVar(),d=vn(1e6,1e6,1e6).toVar();return Sp({start:-1,end:mn(1),name:"x",condition:"<="},({x:e})=>{Sp({start:-1,end:mn(1),name:"y",condition:"<="},({y:t})=>{Sp({start:-1,end:mn(1),name:"z",condition:"<="},({z:r})=>{const 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cn(c.equal(mn(0)),()=>{N.assign(Iv(v))}),cn(c.equal(mn(1)),()=>{N.assign(Vv(v))}),cn(c.equal(mn(2)),()=>{N.assign(Yv(v,m,mn(0)))}),cn(c.equal(mn(3)),()=>{N.assign(Gv(vn(v,0),x,T,_))}),N.assign(N.mul(y.sub(f)).add(f)),cn(b,()=>{N.assign(au(N,f,y))}),N}).setLayout({name:"mx_unifiednoise2d",type:"float",inputs:[{name:"noiseType",type:"int"},{name:"texcoord",type:"vec2"},{name:"freq",type:"vec2"},{name:"offset",type:"vec2"},{name:"jitter",type:"float"},{name:"outmin",type:"float"},{name:"outmax",type:"float"},{name:"clampoutput",type:"bool"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),Zv=un(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=mn(e).toVar(),h=vn(t).toVar(),p=vn(r).toVar(),g=vn(s).toVar(),m=gn(i).toVar(),f=gn(n).toVar(),y=gn(a).toVar(),b=yn(o).toVar(),x=mn(u).toVar(),T=gn(l).toVar(),_=gn(d).toVar(),v=h.mul(p).add(g),N=gn(0).toVar();return 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of e.nodes){this.getDataFromNode(t).stack=e}return this.stack=e.parent,ln(this.stacks.pop()),e}getDataFromNode(e,t=this.shaderStage,r=null){let s=(r=null===r?e.isGlobal(this)?this.globalCache:this.cache:r).getData(e);void 0===s&&(s={},r.setData(e,s)),void 0===s[t]&&(s[t]={});let i=s[t];const n=s.any?s.any.subBuilds:null,a=this.getClosestSubBuild(n);return a&&(void 0===i.subBuildsCache&&(i.subBuildsCache={}),i=i.subBuildsCache[a]||(i.subBuildsCache[a]={}),i.subBuilds=n),i}getNodeProperties(e,t="any"){const r=this.getDataFromNode(e,t);return r.properties||(r.properties={outputNode:null})}getBufferAttributeFromNode(e,t){const r=this.getDataFromNode(e,"vertex");let s=r.bufferAttribute;if(void 0===s){const i=this.uniforms.index++;s=new pN("nodeAttribute"+i,t,e),this.bufferAttributes.push(s),r.bufferAttribute=s}return s}getStructTypeNode(e,t=this.shaderStage){return this.types[t][e]||null}getStructTypeFromNode(e,t,r=null,s=this.shaderStage){const 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e=this.varyings,u=e.length;null===t&&(t="nodeVarying"+u),"varying"!==a&&(t=this.getSubBuildProperty(t,n.subBuilds)),o=new fN(t,r,s,i),e.push(o),this.registerDeclaration(o),n[a]=o}return o}registerDeclaration(e){const t=this.shaderStage,r=this.declarations[t]||(this.declarations[t]={}),s=this.getPropertyName(e);let i=1,n=s;for(;void 0!==r[n];)n=s+"_"+i++;i>1&&(e.name=n,d(`TSL: Declaration name '${s}' of '${e.type}' already in use. Renamed to '${n}'.`)),r[n]=e}getCodeFromNode(e,t,r=this.shaderStage){const s=this.getDataFromNode(e);let i=s.code;if(void 0===i){const e=this.codes[r]||(this.codes[r]=[]),n=e.length;i=new yN("nodeCode"+n,t),e.push(i),s.code=i}return i}addFlowCodeHierarchy(e,t){const{flowCodes:r,flowCodeBlock:s}=this.getDataFromNode(e);let i=!0,n=t;for(;n;){if(!0===s.get(n)){i=!1;break}n=this.getDataFromNode(n).parentNodeBlock}if(i)for(const e of r)this.addLineFlowCode(e)}addLineFlowCodeBlock(e,t,r){const s=this.getDataFromNode(e),i=s.flowCodes||(s.flowCodes=[]),n=s.flowCodeBlock||(s.flowCodeBlock=new WeakMap);i.push(t),n.set(r,!0)}addLineFlowCode(e,t=null){return""===e||(null!==t&&this.context.nodeBlock&&this.addLineFlowCodeBlock(t,e,this.context.nodeBlock),e=this.tab+e,/;\s*$/.test(e)||(e+=";\n"),this.flow.code+=e),this}addFlowCode(e){return this.flow.code+=e,this}addFlowTab(){return this.tab+="\t",this}removeFlowTab(){return this.tab=this.tab.slice(0,-1),this}getFlowData(e){return 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xN,this.stack=Qy();for(const r of si)this.setBuildStage(r),u.result=e.build(this,t);return u.vars=this.getVars(this.shaderStage),this.flow=r,this.vars=s,this.declarations=i,this.cache=n,this.stack=o,this.setBuildStage(a),u}getFunctionOperator(){return null}buildFunctionCode(){d("Abstract function.")}flowChildNode(e,t=null){const r=this.flow,s={code:""};return this.flow=s,s.result=e.build(this,t),this.flow=r,s}flowNodeFromShaderStage(e,t,r=null,s=null){const i=this.tab,n=this.cache,a=this.shaderStage,o=this.context;this.setShaderStage(e);const u={...this.context};delete u.nodeBlock,this.cache=this.globalCache,this.tab="\t",this.context=u;let l=null;if("generate"===this.buildStage){const i=this.flowChildNode(t,r);null!==s&&(i.code+=`${this.tab+s} = ${i.result};\n`),this.flowCode[e]=this.flowCode[e]+i.code,l=i}else l=t.build(this);return this.setShaderStage(a),this.cache=n,this.tab=i,this.context=o,l}getAttributesArray(){return this.attributes.concat(this.bufferAttributes)}getAttributes(){d("Abstract function.")}getVaryings(){d("Abstract function.")}getVar(e,t,r=null){return`${null!==r?this.generateArrayDeclaration(e,r):this.getType(e)} ${t}`}getVars(e){let t="";const r=this.vars[e];if(void 0!==r)for(const e of r)t+=`${this.getVar(e.type,e.name)}; `;return t}getUniforms(){d("Abstract function.")}getCodes(e){const t=this.codes[e];let r="";if(void 0!==t)for(const e of t)r+=e.code+"\n";return r}getHash(){return this.vertexShader+this.fragmentShader+this.computeShader}setShaderStage(e){this.shaderStage=e}getShaderStage(){return this.shaderStage}setBuildStage(e){this.buildStage=e}getBuildStage(){return this.buildStage}buildCode(){d("Abstract function.")}get subBuild(){return this.subBuildLayers[this.subBuildLayers.length-1]||null}addSubBuild(e){this.subBuildLayers.push(e)}removeSubBuild(){return this.subBuildLayers.pop()}getClosestSubBuild(e){let 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this.setBuildStage(null),this.setShaderStage(null),this.buildCode(),this.buildUpdateNodes(),this}getSharedDataFromNode(e){let t=VN.get(e);return void 0===t&&(t={}),t}getNodeUniform(e,t){const r=this.getSharedDataFromNode(e);let s=r.cache;if(void 0===s){if("float"===t||"int"===t||"uint"===t)s=new MN(e);else if("vec2"===t||"ivec2"===t||"uvec2"===t)s=new BN(e);else if("vec3"===t||"ivec3"===t||"uvec3"===t)s=new FN(e);else if("vec4"===t||"ivec4"===t||"uvec4"===t)s=new LN(e);else if("color"===t)s=new PN(e);else if("mat2"===t)s=new DN(e);else if("mat3"===t)s=new UN(e);else{if("mat4"!==t)throw new Error(`Uniform "${t}" not implemented.`);s=new IN(e)}r.cache=s}return s}format(e,t,r){if((t=this.getVectorType(t))===(r=this.getVectorType(r))||null===r||this.isReference(r))return e;const s=this.getTypeLength(t),i=this.getTypeLength(r);return 16===s&&9===i?`${this.getType(r)}( ${e}[ 0 ].xyz, ${e}[ 1 ].xyz, ${e}[ 2 ].xyz )`:9===s&&4===i?`${this.getType(r)}( ${e}[ 0 ].xy, ${e}[ 1 ].xy )`:s>4||i>4||0===i?e:s===i?`${this.getType(r)}( ${e} )`:s>i?(e="bool"===r?`all( ${e} )`:`${e}.${"xyz".slice(0,i)}`,this.format(e,this.getTypeFromLength(i,this.getComponentType(t)),r)):4===i&&s>1?`${this.getType(r)}( ${this.format(e,t,"vec3")}, 1.0 )`:2===s?`${this.getType(r)}( ${this.format(e,t,"vec2")}, 0.0 )`:(1===s&&i>1&&t!==this.getComponentType(r)&&(e=`${this.getType(this.getComponentType(r))}( ${e} )`),`${this.getType(r)}( ${e} )`)}getSignature(){return`// Three.js r${at} - Node System\n`}needsPreviousData(){const e=this.renderer.getMRT();return e&&e.has("velocity")||!0===Xs(this.object).useVelocity}}class WN{constructor(){this.time=0,this.deltaTime=0,this.frameId=0,this.renderId=0,this.updateMap=new WeakMap,this.updateBeforeMap=new WeakMap,this.updateAfterMap=new WeakMap,this.renderer=null,this.material=null,this.camera=null,this.object=null,this.scene=null}_getMaps(e,t){let r=e.get(t);return void 0===r&&(r={renderId:0,frameId:0},e.set(t,r)),r}updateBeforeNode(e){const t=e.getUpdateBeforeType(),r=e.updateReference(this);if(t===Js.FRAME){const t=this._getMaps(this.updateBeforeMap,r);if(t.frameId!==this.frameId){const r=t.frameId;t.frameId=this.frameId,!1===e.updateBefore(this)&&(t.frameId=r)}}else if(t===Js.RENDER){const t=this._getMaps(this.updateBeforeMap,r);if(t.renderId!==this.renderId){const r=t.renderId;t.renderId=this.renderId,!1===e.updateBefore(this)&&(t.renderId=r)}}else t===Js.OBJECT&&e.updateBefore(this)}updateAfterNode(e){const t=e.getUpdateAfterType(),r=e.updateReference(this);if(t===Js.FRAME){const t=this._getMaps(this.updateAfterMap,r);t.frameId!==this.frameId&&!1!==e.updateAfter(this)&&(t.frameId=this.frameId)}else if(t===Js.RENDER){const t=this._getMaps(this.updateAfterMap,r);t.renderId!==this.renderId&&!1!==e.updateAfter(this)&&(t.renderId=this.renderId)}else t===Js.OBJECT&&e.updateAfter(this)}updateNode(e){const t=e.getUpdateType(),r=e.updateReference(this);if(t===Js.FRAME){const t=this._getMaps(this.updateMap,r);t.frameId!==this.frameId&&!1!==e.update(this)&&(t.frameId=this.frameId)}else if(t===Js.RENDER){const t=this._getMaps(this.updateMap,r);t.renderId!==this.renderId&&!1!==e.update(this)&&(t.renderId=this.renderId)}else t===Js.OBJECT&&e.update(this)}update(){this.frameId++,void 0===this.lastTime&&(this.lastTime=performance.now()),this.deltaTime=(performance.now()-this.lastTime)/1e3,this.lastTime=performance.now(),this.time+=this.deltaTime}}class HN{constructor(e,t,r=null,s="",i=!1){this.type=e,this.name=t,this.count=r,this.qualifier=s,this.isConst=i}}HN.isNodeFunctionInput=!0;class qN extends ov{static get type(){return"AmbientLightNode"}constructor(e=null){super(e)}setup({context:e}){e.irradiance.addAssign(this.colorNode)}}class jN extends ov{static get type(){return"DirectionalLightNode"}constructor(e=null){super(e)}setupDirect(){const e=this.colorNode;return{lightDirection:m_(this.light),lightColor:e}}}class XN extends ov{static get type(){return"HemisphereLightNode"}constructor(t=null){super(t),this.lightPositionNode=h_(t),this.lightDirectionNode=this.lightPositionNode.normalize(),this.groundColorNode=_a(new e).setGroup(ba)}update(e){const{light:t}=this;super.update(e),this.lightPositionNode.object3d=t,this.groundColorNode.value.copy(t.groundColor).multiplyScalar(t.intensity)}setup(e){const{colorNode:t,groundColorNode:r,lightDirectionNode:s}=this,i=dc.dot(s).mul(.5).add(.5),n=nu(r,t,i);e.context.irradiance.addAssign(n)}}class KN extends ov{static get type(){return"SpotLightNode"}constructor(e=null){super(e),this.coneCosNode=_a(0).setGroup(ba),this.penumbraCosNode=_a(0).setGroup(ba),this.cutoffDistanceNode=_a(0).setGroup(ba),this.decayExponentNode=_a(0).setGroup(ba),this.colorNode=_a(this.color).setGroup(ba)}update(e){super.update(e);const{light:t}=this;this.coneCosNode.value=Math.cos(t.angle),this.penumbraCosNode.value=Math.cos(t.angle*(1-t.penumbra)),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}getSpotAttenuation(e,t){const{coneCosNode:r,penumbraCosNode:s}=this;return lu(r,s,t)}getLightCoord(e){const t=e.getNodeProperties(this);let r=t.projectionUV;return void 0===r&&(r=c_(this.light,e.context.positionWorld),t.projectionUV=r),r}setupDirect(e){const{colorNode:t,cutoffDistanceNode:r,decayExponentNode:s,light:i}=this,n=this.getLightVector(e),a=n.normalize(),o=a.dot(m_(i)),u=this.getSpotAttenuation(e,o),l=n.length(),d=uv({lightDistance:l,cutoffDistance:r,decayExponent:s});let c,h,p=t.mul(u).mul(d);if(i.colorNode?(h=this.getLightCoord(e),c=i.colorNode(h)):i.map&&(h=this.getLightCoord(e),c=Pl(i.map,h.xy).onRenderUpdate(()=>i.map)),c){p=h.mul(2).sub(1).abs().lessThan(1).all().select(p.mul(c),p)}return{lightColor:p,lightDirection:a}}}class YN extends KN{static get type(){return"IESSpotLightNode"}getSpotAttenuation(e,t){const r=this.light.iesMap;let s=null;if(r&&!0===r.isTexture){const e=t.acos().mul(1/Math.PI);s=Pl(r,bn(e,0),0).r}else s=super.getSpotAttenuation(t);return s}}class QN extends ov{static get type(){return"LightProbeNode"}constructor(e=null){super(e);const t=[];for(let e=0;e<9;e++)t.push(new r);this.lightProbe=kl(t)}update(e){const{light:t}=this;super.update(e);for(let e=0;e<9;e++)this.lightProbe.array[e].copy(t.sh.coefficients[e]).multiplyScalar(t.intensity)}setup(e){const t=aN(dc,this.lightProbe);e.context.irradiance.addAssign(t)}}const ZN=un(([e,t])=>{const r=e.abs().sub(t);return Fo(Ho(r,0)).add(Wo(Ho(r.x,r.y),0))});class JN extends KN{static get type(){return"ProjectorLightNode"}update(e){super.update(e);const t=this.light;if(this.penumbraCosNode.value=Math.min(Math.cos(t.angle*(1-t.penumbra)),.99999),null===t.aspect){let e=1;null!==t.map&&(e=t.map.width/t.map.height),t.shadow.aspect=e}else t.shadow.aspect=t.aspect}getSpotAttenuation(e){const t=gn(0),r=this.penumbraCosNode,s=d_(this.light).mul(e.context.positionWorld||Yd);return cn(s.w.greaterThan(0),()=>{const e=s.xyz.div(s.w),i=ZN(e.xy.sub(bn(.5)),bn(.5)),n=La(-1,Ba(1,wo(r)).sub(1));t.assign(ou(i.mul(-2).mul(n)))}),t}}const eS=new a,tS=new a;let rS=null;class sS extends ov{static get type(){return"RectAreaLightNode"}constructor(e=null){super(e),this.halfHeight=_a(new r).setGroup(ba),this.halfWidth=_a(new r).setGroup(ba),this.updateType=Js.RENDER}update(e){super.update(e);const{light:t}=this,r=e.camera.matrixWorldInverse;tS.identity(),eS.copy(t.matrixWorld),eS.premultiply(r),tS.extractRotation(eS),this.halfWidth.value.set(.5*t.width,0,0),this.halfHeight.value.set(0,.5*t.height,0),this.halfWidth.value.applyMatrix4(tS),this.halfHeight.value.applyMatrix4(tS)}setupDirectRectArea(e){let t,r;e.isAvailable("float32Filterable")?(t=Pl(rS.LTC_FLOAT_1),r=Pl(rS.LTC_FLOAT_2)):(t=Pl(rS.LTC_HALF_1),r=Pl(rS.LTC_HALF_2));const{colorNode:s,light:i}=this;return{lightColor:s,lightPosition:g_(i),halfWidth:this.halfWidth,halfHeight:this.halfHeight,ltc_1:t,ltc_2:r}}static setLTC(e){rS=e}}class iS{parseFunction(){d("Abstract function.")}}class nS{constructor(e,t,r="",s=""){this.type=e,this.inputs=t,this.name=r,this.precision=s}getCode(){d("Abstract function.")}}nS.isNodeFunction=!0;const aS=/^\s*(highp|mediump|lowp)?\s*([a-z_0-9]+)\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)/i,oS=/[a-z_0-9]+/gi,uS="#pragma main";class lS extends nS{constructor(e){const{type:t,inputs:r,name:s,precision:i,inputsCode:n,blockCode:a,headerCode:o}=(e=>{const t=(e=e.trim()).indexOf(uS),r=-1!==t?e.slice(t+12):e,s=r.match(aS);if(null!==s&&5===s.length){const i=s[4],n=[];let a=null;for(;null!==(a=oS.exec(i));)n.push(a);const o=[];let u=0;for(;u<n.length;){const e="const"===n[u][0];!0===e&&u++;let t=n[u][0];"in"===t||"out"===t||"inout"===t?u++:t="";const r=n[u++][0];let s=Number.parseInt(n[u][0]);!1===Number.isNaN(s)?u++:s=null;const i=n[u++][0];o.push(new HN(r,i,s,t,e))}const l=r.substring(s[0].length),d=void 0!==s[3]?s[3]:"";return{type:s[2],inputs:o,name:d,precision:void 0!==s[1]?s[1]:"",inputsCode:i,blockCode:l,headerCode:-1!==t?e.slice(0,t):""}}throw new Error("FunctionNode: Function is not a GLSL code.")})(e);super(t,r,s,i),this.inputsCode=n,this.blockCode=a,this.headerCode=o}getCode(e=this.name){let t;const r=this.blockCode;if(""!==r){const{type:s,inputsCode:i,headerCode:n,precision:a}=this;let o=`${s} ${e} ( ${i.trim()} )`;""!==a&&(o=`${a} ${o}`),t=n+o+r}else t="";return t}}class dS extends iS{parseFunction(e){return new lS(e)}}const cS=new WeakMap,hS=[],pS=[];class gS extends yy{constructor(e,t){super(),this.renderer=e,this.backend=t,this.nodeFrame=new WN,this.nodeBuilderCache=new Map,this.callHashCache=new hy,this.groupsData=new hy,this.cacheLib={}}updateGroup(e){const t=e.groupNode,r=t.name;if(r===xa.name)return!0;if(r===ba.name){const t=this.get(e),r=this.nodeFrame.renderId;return t.renderId!==r&&(t.renderId=r,!0)}if(r===ya.name){const t=this.get(e),r=this.nodeFrame.frameId;return t.frameId!==r&&(t.frameId=r,!0)}hS[0]=t,hS[1]=e;let s=this.groupsData.get(hS);return void 0===s&&this.groupsData.set(hS,s={}),hS[0]=null,hS[1]=null,s.version!==t.version&&(s.version=t.version,!0)}getForRenderCacheKey(e){return e.initialCacheKey}getForRender(e){const t=this.get(e);let r=t.nodeBuilderState;if(void 0===r){const{nodeBuilderCache:s}=this,i=this.getForRenderCacheKey(e);if(r=s.get(i),void 0===r){const t=t=>{const r=this.backend.createNodeBuilder(e.object,this.renderer);return r.scene=e.scene,r.material=t,r.camera=e.camera,r.context.material=t,r.lightsNode=e.lightsNode,r.environmentNode=this.getEnvironmentNode(e.scene),r.fogNode=this.getFogNode(e.scene),r.clippingContext=e.clippingContext,this.renderer.getOutputRenderTarget()&&this.renderer.getOutputRenderTarget().multiview&&r.enableMultiview(),r};let n=t(e.material);try{n.build()}catch(e){n=t(new pg),n.build();let r=e.stackTrace;!r&&e.stack&&(r=new Ps(e.stack)),o("TSL: "+e,r)}r=this._createNodeBuilderState(n),s.set(i,r)}r.usedTimes++,t.nodeBuilderState=r}return r}delete(e){if(e.isRenderObject){const t=this.get(e).nodeBuilderState;t.usedTimes--,0===t.usedTimes&&this.nodeBuilderCache.delete(this.getForRenderCacheKey(e))}return super.delete(e)}getForCompute(e){const t=this.get(e);let r=t.nodeBuilderState;if(void 0===r){const s=this.backend.createNodeBuilder(e,this.renderer);s.build(),r=this._createNodeBuilderState(s),t.nodeBuilderState=r}return r}_createNodeBuilderState(e){return new hN(e.vertexShader,e.fragmentShader,e.computeShader,e.getAttributesArray(),e.getBindings(),e.updateNodes,e.updateBeforeNodes,e.updateAfterNodes,e.observer,e.transforms)}getEnvironmentNode(e){this.updateEnvironment(e);let t=null;if(e.environmentNode&&e.environmentNode.isNode)t=e.environmentNode;else{const r=this.get(e);r.environmentNode&&(t=r.environmentNode)}return t}getBackgroundNode(e){this.updateBackground(e);let t=null;if(e.backgroundNode&&e.backgroundNode.isNode)t=e.backgroundNode;else{const r=this.get(e);r.backgroundNode&&(t=r.backgroundNode)}return t}getFogNode(e){return this.updateFog(e),e.fogNode||this.get(e).fogNode||null}getCacheKey(e,t){hS[0]=e,hS[1]=t;const r=this.renderer.info.calls,s=this.callHashCache.get(hS)||{};if(s.callId!==r){const i=this.getEnvironmentNode(e),n=this.getFogNode(e);t&&pS.push(t.getCacheKey(!0)),i&&pS.push(i.getCacheKey()),n&&pS.push(n.getCacheKey()),pS.push(this.renderer.getOutputRenderTarget()&&this.renderer.getOutputRenderTarget().multiview?1:0),pS.push(this.renderer.shadowMap.enabled?1:0),pS.push(this.renderer.shadowMap.type),s.callId=r,s.cacheKey=Is(pS),this.callHashCache.set(hS,s),pS.length=0}return hS[0]=null,hS[1]=null,s.cacheKey}get isToneMappingState(){return!this.renderer.getRenderTarget()}updateBackground(e){const t=this.get(e),r=e.background;if(r){const s=0===e.backgroundBlurriness&&t.backgroundBlurriness>0||e.backgroundBlurriness>0&&0===t.backgroundBlurriness;if(t.background!==r||s){const i=this.getCacheNode("background",r,()=>{if(!0===r.isCubeTexture||r.mapping===le||r.mapping===de||r.mapping===Re){if(e.backgroundBlurriness>0||r.mapping===Re)return Bf(r);{let e;return e=!0===r.isCubeTexture?Cc(r):Pl(r),wg(e)}}if(!0===r.isTexture)return Pl(r,jl.flipY()).setUpdateMatrix(!0);!0!==r.isColor&&o("WebGPUNodes: Unsupported background configuration.",r)},s);t.backgroundNode=i,t.background=r,t.backgroundBlurriness=e.backgroundBlurriness}}else t.backgroundNode&&(delete t.backgroundNode,delete t.background)}getCacheNode(e,t,r,s=!1){const i=this.cacheLib[e]||(this.cacheLib[e]=new WeakMap);let n=i.get(t);return(void 0===n||s)&&(n=r(),i.set(t,n)),n}updateFog(e){const t=this.get(e),r=e.fog;if(r){if(t.fog!==r){const e=this.getCacheNode("fog",r,()=>{if(r.isFogExp2){const e=Fc("color","color",r).setGroup(ba),t=Fc("density","float",r).setGroup(ba);return yT(e,mT(t))}if(r.isFog){const e=Fc("color","color",r).setGroup(ba),t=Fc("near","float",r).setGroup(ba),s=Fc("far","float",r).setGroup(ba);return yT(e,gT(t,s))}o("Renderer: Unsupported fog configuration.",r)});t.fogNode=e,t.fog=r}}else delete t.fogNode,delete t.fog}updateEnvironment(e){const t=this.get(e),r=e.environment;if(r){if(t.environment!==r){const e=this.getCacheNode("environment",r,()=>!0===r.isCubeTexture?Cc(r):!0===r.isTexture?Pl(r):void o("Nodes: Unsupported environment configuration.",r));t.environmentNode=e,t.environment=r}}else t.environmentNode&&(delete t.environmentNode,delete t.environment)}getNodeFrame(e=this.renderer,t=null,r=null,s=null,i=null){const n=this.nodeFrame;return n.renderer=e,n.scene=t,n.object=r,n.camera=s,n.material=i,n}getNodeFrameForRender(e){return this.getNodeFrame(e.renderer,e.scene,e.object,e.camera,e.material)}getOutputCacheKey(){const e=this.renderer;return e.toneMapping+","+e.currentColorSpace+","+e.xr.isPresenting}hasOutputChange(e){return cS.get(e)!==this.getOutputCacheKey()}getOutputNode(e){const t=this.renderer,r=this.getOutputCacheKey(),s=e.isArrayTexture?Bx(e,vn(jl,zl("gl_ViewID_OVR"))).renderOutput(t.toneMapping,t.currentColorSpace):Pl(e,jl).renderOutput(t.toneMapping,t.currentColorSpace);return cS.set(e,r),s}updateBefore(e){const t=e.getNodeBuilderState();for(const r of t.updateBeforeNodes)this.getNodeFrameForRender(e).updateBeforeNode(r)}updateAfter(e){const t=e.getNodeBuilderState();for(const r of t.updateAfterNodes)this.getNodeFrameForRender(e).updateAfterNode(r)}updateForCompute(e){const t=this.getNodeFrame(),r=this.getForCompute(e);for(const e of r.updateNodes)t.updateNode(e)}updateForRender(e){const t=this.getNodeFrameForRender(e),r=e.getNodeBuilderState();for(const e of r.updateNodes)t.updateNode(e)}needsRefresh(e){const t=this.getNodeFrameForRender(e);return e.getMonitor().needsRefresh(e,t)}dispose(){super.dispose(),this.nodeFrame=new WN,this.nodeBuilderCache=new Map,this.cacheLib={}}}const mS=new He;class fS{constructor(e=null){this.version=0,this.clipIntersection=null,this.cacheKey="",this.shadowPass=!1,this.viewNormalMatrix=new n,this.clippingGroupContexts=new WeakMap,this.intersectionPlanes=[],this.unionPlanes=[],this.parentVersion=null,null!==e&&(this.viewNormalMatrix=e.viewNormalMatrix,this.clippingGroupContexts=e.clippingGroupContexts,this.shadowPass=e.shadowPass,this.viewMatrix=e.viewMatrix)}projectPlanes(e,t,r){const s=e.length;for(let i=0;i<s;i++){mS.copy(e[i]).applyMatrix4(this.viewMatrix,this.viewNormalMatrix);const s=t[r+i],n=mS.normal;s.x=-n.x,s.y=-n.y,s.z=-n.z,s.w=mS.constant}}updateGlobal(e,t){this.shadowPass=null!==e.overrideMaterial&&e.overrideMaterial.isShadowPassMaterial,this.viewMatrix=t.matrixWorldInverse,this.viewNormalMatrix.getNormalMatrix(this.viewMatrix)}update(e,t){let r=!1;e.version!==this.parentVersion&&(this.intersectionPlanes=Array.from(e.intersectionPlanes),this.unionPlanes=Array.from(e.unionPlanes),this.parentVersion=e.version),this.clipIntersection!==t.clipIntersection&&(this.clipIntersection=t.clipIntersection,this.clipIntersection?this.unionPlanes.length=e.unionPlanes.length:this.intersectionPlanes.length=e.intersectionPlanes.length);const i=t.clippingPlanes,n=i.length;let a,o;if(this.clipIntersection?(a=this.intersectionPlanes,o=e.intersectionPlanes.length):(a=this.unionPlanes,o=e.unionPlanes.length),a.length!==o+n){a.length=o+n;for(let e=0;e<n;e++)a[o+e]=new s;r=!0}this.projectPlanes(i,a,o),r&&(this.version++,this.cacheKey=`${this.intersectionPlanes.length}:${this.unionPlanes.length}`)}getGroupContext(e){if(this.shadowPass&&!e.clipShadows)return this;let t=this.clippingGroupContexts.get(e);return void 0===t&&(t=new fS(this),this.clippingGroupContexts.set(e,t)),t.update(this,e),t}get unionClippingCount(){return this.unionPlanes.length}}class yS{constructor(e,t){this.bundleGroup=e,this.camera=t}}const bS=[];class xS{constructor(){this.bundles=new hy}get(e,t){const r=this.bundles;bS[0]=e,bS[1]=t;let s=r.get(bS);return void 0===s&&(s=new yS(e,t),r.set(bS,s)),bS[0]=null,bS[1]=null,s}dispose(){this.bundles=new hy}}class TS{constructor(){this.lightNodes=new WeakMap,this.materialNodes=new Map,this.toneMappingNodes=new Map}fromMaterial(e){if(e.isNodeMaterial)return e;let t=null;const r=this.getMaterialNodeClass(e.type);if(null!==r){t=new r;for(const r in e)t[r]=e[r]}return t}addToneMapping(e,t){this.addType(e,t,this.toneMappingNodes)}getToneMappingFunction(e){return this.toneMappingNodes.get(e)||null}getMaterialNodeClass(e){return this.materialNodes.get(e)||null}addMaterial(e,t){this.addType(e,t,this.materialNodes)}getLightNodeClass(e){return this.lightNodes.get(e)||null}addLight(e,t){this.addClass(e,t,this.lightNodes)}addType(e,t,r){if(r.has(t))d(`Redefinition of node ${t}`);else{if("function"!=typeof e)throw new Error(`Node class ${e.name} is not a class.`);if("function"==typeof t||"object"==typeof t)throw new Error(`Base class ${t} is not a class.`);r.set(t,e)}}addClass(e,t,r){if(r.has(t))d(`Redefinition of node ${t.name}`);else{if("function"!=typeof e)throw new Error(`Node class ${e.name} is not a class.`);if("function"!=typeof t)throw new Error(`Base class ${t.name} is not a class.`);r.set(t,e)}}}const _S=new x_,vS=new WeakMap;class NS{createNode(e=[]){return(new x_).setLights(e)}getNode(e){if(e.isQuadMesh)return _S;let t=vS.get(e);return void 0===t&&(t=this.createNode(),vS.set(e,t)),t}}class SS extends se{constructor(e=1,t=1,r={}){super(e,t,r),this.isXRRenderTarget=!0,this._hasExternalTextures=!1,this._autoAllocateDepthBuffer=!0,this._isOpaqueFramebuffer=!1}copy(e){return super.copy(e),this._hasExternalTextures=e._hasExternalTextures,this._autoAllocateDepthBuffer=e._autoAllocateDepthBuffer,this._isOpaqueFramebuffer=e._isOpaqueFramebuffer,this}}const RS=new r,ES=new r;class AS extends u{constructor(e,r=!1){super(),this.enabled=!1,this.isPresenting=!1,this.cameraAutoUpdate=!0,this._renderer=e,this._cameraL=new ve,this._cameraL.viewport=new s,this._cameraR=new ve,this._cameraR.viewport=new s,this._cameras=[this._cameraL,this._cameraR],this._cameraXR=new ot,this._currentDepthNear=null,this._currentDepthFar=null,this._controllers=[],this._controllerInputSources=[],this._xrRenderTarget=null,this._layers=[],this._sessionUsesLayers=!1,this._supportsGlBinding="undefined"!=typeof XRWebGLBinding,this._frameBufferTargets=null,this._createXRLayer=FS.bind(this),this._gl=null,this._currentAnimationContext=null,this._currentAnimationLoop=null,this._currentPixelRatio=null,this._currentSize=new t,this._onSessionEvent=CS.bind(this),this._onSessionEnd=MS.bind(this),this._onInputSourcesChange=BS.bind(this),this._onAnimationFrame=LS.bind(this),this._referenceSpace=null,this._referenceSpaceType="local-floor",this._customReferenceSpace=null,this._framebufferScaleFactor=1,this._foveation=1,this._session=null,this._glBaseLayer=null,this._glBinding=null,this._glProjLayer=null,this._xrFrame=null,this._supportsLayers=this._supportsGlBinding&&"createProjectionLayer"in XRWebGLBinding.prototype,this._useMultiviewIfPossible=r,this._useMultiview=!1}getController(e){return this._getController(e).getTargetRaySpace()}getControllerGrip(e){return this._getController(e).getGripSpace()}getHand(e){return this._getController(e).getHandSpace()}getFoveation(){if(null!==this._glProjLayer||null!==this._glBaseLayer)return this._foveation}setFoveation(e){this._foveation=e,null!==this._glProjLayer&&(this._glProjLayer.fixedFoveation=e),null!==this._glBaseLayer&&void 0!==this._glBaseLayer.fixedFoveation&&(this._glBaseLayer.fixedFoveation=e)}getFramebufferScaleFactor(){return this._framebufferScaleFactor}setFramebufferScaleFactor(e){this._framebufferScaleFactor=e,!0===this.isPresenting&&d("XRManager: Cannot change framebuffer scale while presenting.")}getReferenceSpaceType(){return this._referenceSpaceType}setReferenceSpaceType(e){this._referenceSpaceType=e,!0===this.isPresenting&&d("XRManager: Cannot change reference space type while presenting.")}getReferenceSpace(){return this._customReferenceSpace||this._referenceSpace}setReferenceSpace(e){this._customReferenceSpace=e}getCamera(){return this._cameraXR}getEnvironmentBlendMode(){if(null!==this._session)return this._session.environmentBlendMode}getBinding(){return null===this._glBinding&&this._supportsGlBinding&&(this._glBinding=new XRWebGLBinding(this._session,this._gl)),this._glBinding}getFrame(){return this._xrFrame}useMultiview(){return this._useMultiview}createQuadLayer(e,t,r,s,i,n,a,o={}){const u=new ut(e,t),l=new SS(i,n,{format:Se,type:Ve,depthTexture:new Y(i,n,o.stencil?Oe:S,void 0,void 0,void 0,void 0,void 0,void 0,o.stencil?Ue:Ie),stencilBuffer:o.stencil,resolveDepthBuffer:!1,resolveStencilBuffer:!1});l._autoAllocateDepthBuffer=!0;const d=new ge({color:16777215,side:lt});d.map=l.texture,d.map.offset.y=1,d.map.repeat.y=-1;const c=new ne(u,d);c.position.copy(r),c.quaternion.copy(s);const h={type:"quad",width:e,height:t,translation:r,quaternion:s,pixelwidth:i,pixelheight:n,plane:c,material:d,rendercall:a,renderTarget:l};if(this._layers.push(h),null!==this._session){h.plane.material=new ge({color:16777215,side:lt}),h.plane.material.blending=dt,h.plane.material.blendEquation=$e,h.plane.material.blendSrc=ct,h.plane.material.blendDst=ct,h.xrlayer=this._createXRLayer(h);const e=this._session.renderState.layers;e.unshift(h.xrlayer),this._session.updateRenderState({layers:e})}else l.isXRRenderTarget=!1;return c}createCylinderLayer(e,t,r,s,i,n,a,o,u={}){const l=new ht(e,e,e*t/r,64,64,!0,Math.PI-t/2,t),d=new SS(n,a,{format:Se,type:Ve,depthTexture:new Y(n,a,u.stencil?Oe:S,void 0,void 0,void 0,void 0,void 0,void 0,u.stencil?Ue:Ie),stencilBuffer:u.stencil,resolveDepthBuffer:!1,resolveStencilBuffer:!1});d._autoAllocateDepthBuffer=!0;const c=new ge({color:16777215,side:M});c.map=d.texture,c.map.offset.y=1,c.map.repeat.y=-1;const h=new ne(l,c);h.position.copy(s),h.quaternion.copy(i);const p={type:"cylinder",radius:e,centralAngle:t,aspectratio:r,translation:s,quaternion:i,pixelwidth:n,pixelheight:a,plane:h,material:c,rendercall:o,renderTarget:d};if(this._layers.push(p),null!==this._session){p.plane.material=new ge({color:16777215,side:M}),p.plane.material.blending=dt,p.plane.material.blendEquation=$e,p.plane.material.blendSrc=ct,p.plane.material.blendDst=ct,p.xrlayer=this._createXRLayer(p);const e=this._session.renderState.layers;e.unshift(p.xrlayer),this._session.updateRenderState({layers:e})}else d.isXRRenderTarget=!1;return h}renderLayers(){const e=new r,s=new pt,i=this._renderer,n=this.isPresenting,a=i.getOutputRenderTarget(),o=i._frameBufferTarget;this.isPresenting=!1;const u=new t;i.getSize(u);const l=i._quad;for(const t of this._layers)if(t.renderTarget.isXRRenderTarget=null!==this._session,t.renderTarget._hasExternalTextures=t.renderTarget.isXRRenderTarget,t.renderTarget.isXRRenderTarget&&this._sessionUsesLayers){t.xrlayer.transform=new XRRigidTransform(t.plane.getWorldPosition(e),t.plane.getWorldQuaternion(s));const r=this._glBinding.getSubImage(t.xrlayer,this._xrFrame);i.backend.setXRRenderTargetTextures(t.renderTarget,r.colorTexture,void 0),i._setXRLayerSize(t.renderTarget.width,t.renderTarget.height),i.setOutputRenderTarget(t.renderTarget),i.setRenderTarget(null),i._frameBufferTarget=null,this._frameBufferTargets||(this._frameBufferTargets=new WeakMap);const{frameBufferTarget:n,quad:a}=this._frameBufferTargets.get(t.renderTarget)||{frameBufferTarget:null,quad:null};n?(i._frameBufferTarget=n,i._quad=a):(i._quad=new ax(new pg),this._frameBufferTargets.set(t.renderTarget,{frameBufferTarget:i._getFrameBufferTarget(),quad:i._quad})),t.rendercall(),i._frameBufferTarget=null}else i.setRenderTarget(t.renderTarget),t.rendercall();i.setRenderTarget(null),i.setOutputRenderTarget(a),i._frameBufferTarget=o,i._setXRLayerSize(u.x,u.y),i._quad=l,this.isPresenting=n}getSession(){return this._session}async setSession(e){const t=this._renderer,r=t.backend;this._gl=t.getContext();const s=this._gl,i=s.getContextAttributes();if(this._session=e,null!==e){if(!0===r.isWebGPUBackend)throw new Error('THREE.XRManager: XR is currently not supported with a WebGPU backend. Use WebGL by passing "{ forceWebGL: true }" to the constructor of the renderer.');if(e.addEventListener("select",this._onSessionEvent),e.addEventListener("selectstart",this._onSessionEvent),e.addEventListener("selectend",this._onSessionEvent),e.addEventListener("squeeze",this._onSessionEvent),e.addEventListener("squeezestart",this._onSessionEvent),e.addEventListener("squeezeend",this._onSessionEvent),e.addEventListener("end",this._onSessionEnd),e.addEventListener("inputsourceschange",this._onInputSourcesChange),await r.makeXRCompatible(),this._currentPixelRatio=t.getPixelRatio(),t.getSize(this._currentSize),this._currentAnimationContext=t._animation.getContext(),this._currentAnimationLoop=t._animation.getAnimationLoop(),t._animation.stop(),!0===this._supportsLayers){let r=null,n=null,a=null;t.depth&&(a=t.stencil?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24,r=t.stencil?Ue:Ie,n=t.stencil?Oe:S);const o={colorFormat:s.RGBA8,depthFormat:a,scaleFactor:this._framebufferScaleFactor,clearOnAccess:!1};this._useMultiviewIfPossible&&t.hasFeature("OVR_multiview2")&&(o.textureType="texture-array",this._useMultiview=!0),this._glBinding=this.getBinding();const u=this._glBinding.createProjectionLayer(o),l=[u];this._glProjLayer=u,t.setPixelRatio(1),t._setXRLayerSize(u.textureWidth,u.textureHeight);const d=this._useMultiview?2:1,c=new Y(u.textureWidth,u.textureHeight,n,void 0,void 0,void 0,void 0,void 0,void 0,r,d);if(this._xrRenderTarget=new SS(u.textureWidth,u.textureHeight,{format:Se,type:Ve,colorSpace:t.outputColorSpace,depthTexture:c,stencilBuffer:t.stencil,samples:i.antialias?4:0,resolveDepthBuffer:!1===u.ignoreDepthValues,resolveStencilBuffer:!1===u.ignoreDepthValues,depth:this._useMultiview?2:1,multiview:this._useMultiview}),this._xrRenderTarget._hasExternalTextures=!0,this._xrRenderTarget.depth=this._useMultiview?2:1,this._sessionUsesLayers=e.enabledFeatures.includes("layers"),this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType()),this._sessionUsesLayers)for(const e of this._layers)e.plane.material=new ge({color:16777215,side:"cylinder"===e.type?M:lt}),e.plane.material.blending=dt,e.plane.material.blendEquation=$e,e.plane.material.blendSrc=ct,e.plane.material.blendDst=ct,e.xrlayer=this._createXRLayer(e),l.unshift(e.xrlayer);e.updateRenderState({layers:l})}else{const r={antialias:t.currentSamples>0,alpha:!0,depth:t.depth,stencil:t.stencil,framebufferScaleFactor:this.getFramebufferScaleFactor()},i=new XRWebGLLayer(e,s,r);this._glBaseLayer=i,e.updateRenderState({baseLayer:i}),t.setPixelRatio(1),t._setXRLayerSize(i.framebufferWidth,i.framebufferHeight),this._xrRenderTarget=new SS(i.framebufferWidth,i.framebufferHeight,{format:Se,type:Ve,colorSpace:t.outputColorSpace,stencilBuffer:t.stencil,resolveDepthBuffer:!1===i.ignoreDepthValues,resolveStencilBuffer:!1===i.ignoreDepthValues}),this._xrRenderTarget._isOpaqueFramebuffer=!0,this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType())}this.setFoveation(this.getFoveation()),t._animation.setAnimationLoop(this._onAnimationFrame),t._animation.setContext(e),t._animation.start(),this.isPresenting=!0,this.dispatchEvent({type:"sessionstart"})}}updateCamera(e){const t=this._session;if(null===t)return;const r=e.near,s=e.far,i=this._cameraXR,n=this._cameraL,a=this._cameraR;i.near=a.near=n.near=r,i.far=a.far=n.far=s,i.isMultiViewCamera=this._useMultiview,this._currentDepthNear===i.near&&this._currentDepthFar===i.far||(t.updateRenderState({depthNear:i.near,depthFar:i.far}),this._currentDepthNear=i.near,this._currentDepthFar=i.far),i.layers.mask=6|e.layers.mask,n.layers.mask=-5&i.layers.mask,a.layers.mask=-3&i.layers.mask;const o=e.parent,u=i.cameras;wS(i,o);for(let e=0;e<u.length;e++)wS(u[e],o);2===u.length?function(e,t,r){RS.setFromMatrixPosition(t.matrixWorld),ES.setFromMatrixPosition(r.matrixWorld);const s=RS.distanceTo(ES),i=t.projectionMatrix.elements,n=r.projectionMatrix.elements,a=i[14]/(i[10]-1),o=i[14]/(i[10]+1),u=(i[9]+1)/i[5],l=(i[9]-1)/i[5],d=(i[8]-1)/i[0],c=(n[8]+1)/n[0],h=a*d,p=a*c,g=s/(-d+c),m=g*-d;if(t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(m),e.translateZ(g),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert(),-1===i[10])e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse);else{const t=a+g,r=o+g,i=h-m,n=p+(s-m),d=u*o/r*t,c=l*o/r*t;e.projectionMatrix.makePerspective(i,n,d,c,t,r),e.projectionMatrixInverse.copy(e.projectionMatrix).invert()}}(i,n,a):i.projectionMatrix.copy(n.projectionMatrix),function(e,t,r){null===r?e.matrix.copy(t.matrixWorld):(e.matrix.copy(r.matrixWorld),e.matrix.invert(),e.matrix.multiply(t.matrixWorld));e.matrix.decompose(e.position,e.quaternion,e.scale),e.updateMatrixWorld(!0),e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse),e.isPerspectiveCamera&&(e.fov=2*mt*Math.atan(1/e.projectionMatrix.elements[5]),e.zoom=1)}(e,i,o)}_getController(e){let t=this._controllers[e];return void 0===t&&(t=new gt,this._controllers[e]=t),t}}function wS(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}function CS(e){const t=this._controllerInputSources.indexOf(e.inputSource);if(-1===t)return;const r=this._controllers[t];if(void 0!==r){const t=this.getReferenceSpace();r.update(e.inputSource,e.frame,t),r.dispatchEvent({type:e.type,data:e.inputSource})}}function MS(){const e=this._session,t=this._renderer;e.removeEventListener("select",this._onSessionEvent),e.removeEventListener("selectstart",this._onSessionEvent),e.removeEventListener("selectend",this._onSessionEvent),e.removeEventListener("squeeze",this._onSessionEvent),e.removeEventListener("squeezestart",this._onSessionEvent),e.removeEventListener("squeezeend",this._onSessionEvent),e.removeEventListener("end",this._onSessionEnd),e.removeEventListener("inputsourceschange",this._onInputSourcesChange);for(let e=0;e<this._controllers.length;e++){const t=this._controllerInputSources[e];null!==t&&(this._controllerInputSources[e]=null,this._controllers[e].disconnect(t))}if(this._currentDepthNear=null,this._currentDepthFar=null,t._resetXRState(),this._session=null,this._xrRenderTarget=null,this._glBinding=null,this._glBaseLayer=null,this._glProjLayer=null,!0===this._sessionUsesLayers)for(const e of this._layers)e.renderTarget=new SS(e.pixelwidth,e.pixelheight,{format:Se,type:Ve,depthTexture:new Y(e.pixelwidth,e.pixelheight,e.stencilBuffer?Oe:S,void 0,void 0,void 0,void 0,void 0,void 0,e.stencilBuffer?Ue:Ie),stencilBuffer:e.stencilBuffer,resolveDepthBuffer:!1,resolveStencilBuffer:!1}),e.renderTarget.isXRRenderTarget=!1,e.plane.material=e.material,e.material.map=e.renderTarget.texture,e.material.map.offset.y=1,e.material.map.repeat.y=-1,delete e.xrlayer;this.isPresenting=!1,this._useMultiview=!1,t._animation.stop(),t._animation.setAnimationLoop(this._currentAnimationLoop),t._animation.setContext(this._currentAnimationContext),t._animation.start(),t.setPixelRatio(this._currentPixelRatio),t.setSize(this._currentSize.width,this._currentSize.height,!1),this.dispatchEvent({type:"sessionend"})}function BS(e){const t=this._controllers,r=this._controllerInputSources;for(let s=0;s<e.removed.length;s++){const i=e.removed[s],n=r.indexOf(i);n>=0&&(r[n]=null,t[n].disconnect(i))}for(let s=0;s<e.added.length;s++){const i=e.added[s];let n=r.indexOf(i);if(-1===n){for(let e=0;e<t.length;e++){if(e>=r.length){r.push(i),n=e;break}if(null===r[e]){r[e]=i,n=e;break}}if(-1===n)break}const a=t[n];a&&a.connect(i)}}function FS(e){return"quad"===e.type?this._glBinding.createQuadLayer({transform:new XRRigidTransform(e.translation,e.quaternion),width:e.width/2,height:e.height/2,space:this._referenceSpace,viewPixelWidth:e.pixelwidth,viewPixelHeight:e.pixelheight,clearOnAccess:!1}):this._glBinding.createCylinderLayer({transform:new XRRigidTransform(e.translation,e.quaternion),radius:e.radius,centralAngle:e.centralAngle,aspectRatio:e.aspectRatio,space:this._referenceSpace,viewPixelWidth:e.pixelwidth,viewPixelHeight:e.pixelheight,clearOnAccess:!1})}function LS(e,t){if(void 0===t)return;const r=this._cameraXR,i=this._renderer,n=i.backend,a=this._glBaseLayer,o=this.getReferenceSpace(),u=t.getViewerPose(o);if(this._xrFrame=t,null!==u){const e=u.views;null!==this._glBaseLayer&&n.setXRTarget(a.framebuffer);let t=!1;e.length!==r.cameras.length&&(r.cameras.length=0,t=!0);for(let i=0;i<e.length;i++){const o=e[i];let u;if(!0===this._supportsLayers){const e=this._glBinding.getViewSubImage(this._glProjLayer,o);u=e.viewport,0===i&&n.setXRRenderTargetTextures(this._xrRenderTarget,e.colorTexture,this._glProjLayer.ignoreDepthValues&&!this._useMultiview?void 0:e.depthStencilTexture)}else u=a.getViewport(o);let l=this._cameras[i];void 0===l&&(l=new ve,l.layers.enable(i),l.viewport=new s,this._cameras[i]=l),l.matrix.fromArray(o.transform.matrix),l.matrix.decompose(l.position,l.quaternion,l.scale),l.projectionMatrix.fromArray(o.projectionMatrix),l.projectionMatrixInverse.copy(l.projectionMatrix).invert(),l.viewport.set(u.x,u.y,u.width,u.height),0===i&&(r.matrix.copy(l.matrix),r.matrix.decompose(r.position,r.quaternion,r.scale)),!0===t&&r.cameras.push(l)}i.setOutputRenderTarget(this._xrRenderTarget)}for(let e=0;e<this._controllers.length;e++){const r=this._controllerInputSources[e],s=this._controllers[e];null!==r&&void 0!==s&&s.update(r,t,o)}this._currentAnimationLoop&&this._currentAnimationLoop(e,t),t.detectedPlanes&&this.dispatchEvent({type:"planesdetected",data:t}),this._xrFrame=null}class PS extends u{constructor(e){super(),this.domElement=e,this._pixelRatio=1,this._width=this.domElement.width,this._height=this.domElement.height,this._viewport=new s(0,0,this._width,this._height),this._scissor=new s(0,0,this._width,this._height),this._scissorTest=!1,this.colorTexture=new X,this.depthTexture=new Y}getPixelRatio(){return this._pixelRatio}getDrawingBufferSize(e){return e.set(this._width*this._pixelRatio,this._height*this._pixelRatio).floor()}getSize(e){return e.set(this._width,this._height)}setPixelRatio(e=1){this._pixelRatio!==e&&(this._pixelRatio=e,this.setSize(this._width,this._height,!1))}setDrawingBufferSize(e,t,r){this.xr&&this.xr.isPresenting||(this._width=e,this._height=t,this._pixelRatio=r,this.domElement.width=Math.floor(e*r),this.domElement.height=Math.floor(t*r),this.setViewport(0,0,e,t),this._dispatchResize())}setSize(e,t,r=!0){this.xr&&this.xr.isPresenting||(this._width=e,this._height=t,this.domElement.width=Math.floor(e*this._pixelRatio),this.domElement.height=Math.floor(t*this._pixelRatio),!0===r&&(this.domElement.style.width=e+"px",this.domElement.style.height=t+"px"),this.setViewport(0,0,e,t),this._dispatchResize())}getScissor(e){const t=this._scissor;return e.x=t.x,e.y=t.y,e.width=t.width,e.height=t.height,e}setScissor(e,t,r,s){const i=this._scissor;e.isVector4?i.copy(e):i.set(e,t,r,s)}getScissorTest(){return this._scissorTest}setScissorTest(e){this._scissorTest=e}getViewport(e){return e.copy(this._viewport)}setViewport(e,t,r,s,i=0,n=1){const a=this._viewport;e.isVector4?a.copy(e):a.set(e,t,r,s),a.minDepth=i,a.maxDepth=n}_dispatchResize(){this.dispatchEvent({type:"resize"})}dispose(){this.dispatchEvent({type:"dispose"})}}const DS=new ae,US=new t,IS=new s,OS=new yt,VS=new ft,kS=new a,GS=new s,zS={[lt]:M,[M]:lt,[B]:B};class $S{constructor(e,t={}){this.isRenderer=!0;const{logarithmicDepthBuffer:r=!1,alpha:s=!0,depth:i=!0,stencil:n=!1,antialias:a=!1,samples:o=0,getFallback:u=null,outputBufferType:l=be,multiview:d=!1}=t;this.backend=e,this.autoClear=!0,this.autoClearColor=!0,this.autoClearDepth=!0,this.autoClearStencil=!0,this.alpha=s,this.logarithmicDepthBuffer=r,this.outputColorSpace=re,this.toneMapping=m,this.toneMappingExposure=1,this.sortObjects=!0,this.depth=i,this.stencil=n,this.info=new wy,this.contextNode=Tu(),this.library=new TS,this.lighting=new NS,this._samples=o||!0===a?4:0,this._onCanvasTargetResize=this._onCanvasTargetResize.bind(this),this._canvasTarget=new PS(e.getDomElement()),this._canvasTarget.addEventListener("resize",this._onCanvasTargetResize),this._canvasTarget.isDefaultCanvasTarget=!0,this._inspector=new Tl,this._inspector.setRenderer(this),this._getFallback=u,this._attributes=null,this._geometries=null,this._nodes=null,this._animation=null,this._bindings=null,this._objects=null,this._pipelines=null,this._bundles=null,this._renderLists=null,this._renderContexts=null,this._textures=null,this._background=null,this._quad=new ax(new pg),this._quad.name="Output Color Transform",this._quad.material.name="outputColorTransform",this._currentRenderContext=null,this._opaqueSort=null,this._transparentSort=null,this._frameBufferTarget=null;const c=!0===this.alpha?0:1;this._clearColor=new Xy(0,0,0,c),this._clearDepth=1,this._clearStencil=0,this._renderTarget=null,this._activeCubeFace=0,this._activeMipmapLevel=0,this._outputRenderTarget=null,this._mrt=null,this._renderObjectFunction=null,this._currentRenderObjectFunction=null,this._currentRenderBundle=null,this._handleObjectFunction=this._renderObjectDirect,this._isDeviceLost=!1,this.onDeviceLost=this._onDeviceLost,this._outputBufferType=l,this._cacheShadowNodes=new WeakMap,this._initialized=!1,this._callDepth=-1,this._initPromise=null,this._compilationPromises=null,this.transparent=!0,this.opaque=!0,this.shadowMap={enabled:!1,transmitted:!1,type:Ze},this.xr=new AS(this,d),this.debug={checkShaderErrors:!0,onShaderError:null,getShaderAsync:async(e,t,r)=>{await this.compileAsync(e,t);const s=this._renderLists.get(e,t),i=this._renderContexts.get(this._renderTarget,this._mrt),n=e.overrideMaterial||r.material,a=this._objects.get(r,n,e,t,s.lightsNode,i,i.clippingContext),{fragmentShader:o,vertexShader:u}=a.getNodeBuilderState();return{fragmentShader:o,vertexShader:u}}}}async init(){return null!==this._initPromise||(this._initPromise=new Promise(async(e,t)=>{let r=this.backend;try{await r.init(this)}catch(e){if(null===this._getFallback)return void t(e);try{this.backend=r=this._getFallback(e),await r.init(this)}catch(e){return void t(e)}}this._nodes=new gS(this,r),this._animation=new cy(this,this._nodes,this.info),this._attributes=new Ny(r),this._background=new lN(this,this._nodes),this._geometries=new Ay(this._attributes,this.info),this._textures=new jy(this,r,this.info),this._pipelines=new Py(r,this._nodes),this._bindings=new Dy(r,this._nodes,this._textures,this._attributes,this._pipelines,this.info),this._objects=new fy(this,this._nodes,this._geometries,this._pipelines,this._bindings,this.info),this._renderLists=new Gy(this.lighting),this._bundles=new xS,this._renderContexts=new Hy,this._animation.start(),this._initialized=!0,this._inspector.init(),e(this)})),this._initPromise}get domElement(){return this._canvasTarget.domElement}get coordinateSystem(){return this.backend.coordinateSystem}async compileAsync(e,t,r=null){if(!0===this._isDeviceLost)return;!1===this._initialized&&await this.init();const s=this._nodes.nodeFrame,i=s.renderId,n=this._currentRenderContext,a=this._currentRenderObjectFunction,o=this._handleObjectFunction,u=this._compilationPromises,l=!0===e.isScene?e:DS;null===r&&(r=e);const d=this._renderTarget,c=this._renderContexts.get(d,this._mrt),h=this._activeMipmapLevel,p=[];this._currentRenderContext=c,this._currentRenderObjectFunction=this.renderObject,this._handleObjectFunction=this._createObjectPipeline,this._compilationPromises=p,s.renderId++,s.update(),c.depth=this.depth,c.stencil=this.stencil,c.clippingContext||(c.clippingContext=new fS),c.clippingContext.updateGlobal(l,t),l.onBeforeRender(this,e,t,d);const g=this._renderLists.get(e,t);if(g.begin(),this._projectObject(e,t,0,g,c.clippingContext),r!==e&&r.traverseVisible(function(e){e.isLight&&e.layers.test(t.layers)&&g.pushLight(e)}),g.finish(),null!==d){this._textures.updateRenderTarget(d,h);const e=this._textures.get(d);c.textures=e.textures,c.depthTexture=e.depthTexture}else c.textures=null,c.depthTexture=null;r!==e?this._background.update(r,g,c):this._background.update(l,g,c);const m=g.opaque,f=g.transparent,y=g.transparentDoublePass,b=g.lightsNode;!0===this.opaque&&m.length>0&&this._renderObjects(m,t,l,b),!0===this.transparent&&f.length>0&&this._renderTransparents(f,y,t,l,b),s.renderId=i,this._currentRenderContext=n,this._currentRenderObjectFunction=a,this._handleObjectFunction=o,this._compilationPromises=u,await Promise.all(p)}async renderAsync(e,t){v('Renderer: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.render(e,t)}async waitForGPU(){o("Renderer: waitForGPU() has been removed. Read https://github.com/mrdoob/three.js/issues/32012 for more information.")}set inspector(e){null!==this._inspector&&this._inspector.setRenderer(null),this._inspector=e,this._inspector.setRenderer(this)}get inspector(){return this._inspector}set highPrecision(e){const t=this.contextNode.value;!0===e?(t.modelViewMatrix=Wd,t.modelNormalViewMatrix=Hd):this.highPrecision&&(delete t.modelViewMatrix,delete t.modelNormalViewMatrix)}get highPrecision(){const e=this.contextNode.value;return e.modelViewMatrix===Wd&&e.modelNormalViewMatrix===Hd}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}getOutputBufferType(){return this._outputBufferType}getColorBufferType(){return v('Renderer: ".getColorBufferType()" has been renamed to ".getOutputBufferType()".'),this.getOutputBufferType()}_onDeviceLost(e){let t=`THREE.WebGPURenderer: ${e.api} Device Lost:\n\nMessage: ${e.message}`;e.reason&&(t+=`\nReason: ${e.reason}`),o(t),this._isDeviceLost=!0}_renderBundle(e,t,r){const{bundleGroup:s,camera:i,renderList:n}=e,a=this._currentRenderContext,o=this._bundles.get(s,i),u=this.backend.get(o);void 0===u.renderContexts&&(u.renderContexts=new Set);const l=s.version!==u.version,d=!1===u.renderContexts.has(a)||l;if(u.renderContexts.add(a),d){this.backend.beginBundle(a),(void 0===u.renderObjects||l)&&(u.renderObjects=[]),this._currentRenderBundle=o;const{transparentDoublePass:e,transparent:d,opaque:c}=n;!0===this.opaque&&c.length>0&&this._renderObjects(c,i,t,r),!0===this.transparent&&d.length>0&&this._renderTransparents(d,e,i,t,r),this._currentRenderBundle=null,this.backend.finishBundle(a,o),u.version=s.version}else{const{renderObjects:e}=u;for(let t=0,r=e.length;t<r;t++){const r=e[t];this._nodes.needsRefresh(r)&&(this._nodes.updateBefore(r),this._nodes.updateForRender(r),this._bindings.updateForRender(r),this._nodes.updateAfter(r))}}this.backend.addBundle(a,o)}render(e,t){if(!1===this._initialized)throw new Error('Renderer: .render() called before the backend is initialized. Use "await renderer.init();" before rendering.');this._renderScene(e,t)}get initialized(){return this._initialized}_getFrameBufferTarget(){const{currentToneMapping:e,currentColorSpace:t}=this,r=e!==m,s=t!==p.workingColorSpace;if(!1===r&&!1===s)return null;const{width:i,height:n}=this.getDrawingBufferSize(US),{depth:a,stencil:o}=this;let u=this._frameBufferTarget;null===u&&(u=new se(i,n,{depthBuffer:a,stencilBuffer:o,type:this._outputBufferType,format:Se,colorSpace:p.workingColorSpace,generateMipmaps:!1,minFilter:oe,magFilter:oe,samples:this.samples}),u.isPostProcessingRenderTarget=!0,this._frameBufferTarget=u);const l=this.getOutputRenderTarget();u.depthBuffer=a,u.stencilBuffer=o,null!==l?u.setSize(l.width,l.height,l.depth):u.setSize(i,n,1);const d=this._canvasTarget;return u.viewport.copy(d._viewport),u.scissor.copy(d._scissor),u.viewport.multiplyScalar(d._pixelRatio),u.scissor.multiplyScalar(d._pixelRatio),u.scissorTest=d._scissorTest,u.multiview=null!==l&&l.multiview,u.resolveDepthBuffer=null===l||l.resolveDepthBuffer,u._autoAllocateDepthBuffer=null!==l&&l._autoAllocateDepthBuffer,u}_renderScene(e,t,r=!0){if(!0===this._isDeviceLost)return;const s=r?this._getFrameBufferTarget():null,i=this._nodes.nodeFrame,n=i.renderId,a=this._currentRenderContext,o=this._currentRenderObjectFunction,u=this._handleObjectFunction;this._callDepth++;const l=!0===e.isScene?e:DS,d=this._renderTarget||this._outputRenderTarget,c=this._activeCubeFace,h=this._activeMipmapLevel;let p;null!==s?(p=s,this.setRenderTarget(p)):p=d;const g=this._renderContexts.get(p,this._mrt,this._callDepth);this._currentRenderContext=g,this._currentRenderObjectFunction=this._renderObjectFunction||this.renderObject,this._handleObjectFunction=this._renderObjectDirect,this.info.calls++,this.info.render.calls++,this.info.render.frameCalls++,i.renderId=this.info.calls,this.backend.updateTimeStampUID(g),this.inspector.beginRender(this.backend.getTimestampUID(g),e,t,p);const m=this.coordinateSystem,f=this.xr;if(t.coordinateSystem!==m&&!1===f.isPresenting&&(t.coordinateSystem=m,t.updateProjectionMatrix(),t.isArrayCamera))for(const e of t.cameras)e.coordinateSystem=m,e.updateProjectionMatrix();!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),null===t.parent&&!0===t.matrixWorldAutoUpdate&&t.updateMatrixWorld(),!0===f.enabled&&!0===f.isPresenting&&(!0===f.cameraAutoUpdate&&f.updateCamera(t),t=f.getCamera());const y=this._canvasTarget;let b=y._viewport,x=y._scissor,T=y._pixelRatio;null!==p&&(b=p.viewport,x=p.scissor,T=1),this.getDrawingBufferSize(US),IS.set(0,0,US.width,US.height);const _=void 0===b.minDepth?0:b.minDepth,v=void 0===b.maxDepth?1:b.maxDepth;g.viewportValue.copy(b).multiplyScalar(T).floor(),g.viewportValue.width>>=h,g.viewportValue.height>>=h,g.viewportValue.minDepth=_,g.viewportValue.maxDepth=v,g.viewport=!1===g.viewportValue.equals(IS),g.scissorValue.copy(x).multiplyScalar(T).floor(),g.scissor=y._scissorTest&&!1===g.scissorValue.equals(IS),g.scissorValue.width>>=h,g.scissorValue.height>>=h,g.clippingContext||(g.clippingContext=new fS),g.clippingContext.updateGlobal(l,t),l.onBeforeRender(this,e,t,p);const N=t.isArrayCamera?VS:OS;t.isArrayCamera||(kS.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),N.setFromProjectionMatrix(kS,t.coordinateSystem,t.reversedDepth));const S=this._renderLists.get(e,t);if(S.begin(),this._projectObject(e,t,0,S,g.clippingContext),S.finish(),!0===this.sortObjects&&S.sort(this._opaqueSort,this._transparentSort),null!==p){this._textures.updateRenderTarget(p,h);const e=this._textures.get(p);g.textures=e.textures,g.depthTexture=e.depthTexture,g.width=e.width,g.height=e.height,g.renderTarget=p,g.depth=p.depthBuffer,g.stencil=p.stencilBuffer}else g.textures=null,g.depthTexture=null,g.width=US.width,g.height=US.height,g.depth=this.depth,g.stencil=this.stencil;g.width>>=h,g.height>>=h,g.activeCubeFace=c,g.activeMipmapLevel=h,g.occlusionQueryCount=S.occlusionQueryCount,g.scissorValue.max(GS.set(0,0,0,0)),g.scissorValue.x+g.scissorValue.width>g.width&&(g.scissorValue.width=Math.max(g.width-g.scissorValue.x,0)),g.scissorValue.y+g.scissorValue.height>g.height&&(g.scissorValue.height=Math.max(g.height-g.scissorValue.y,0)),this._background.update(l,S,g),g.camera=t,this.backend.beginRender(g);const{bundles:R,lightsNode:E,transparentDoublePass:A,transparent:w,opaque:C}=S;return R.length>0&&this._renderBundles(R,l,E),!0===this.opaque&&C.length>0&&this._renderObjects(C,t,l,E),!0===this.transparent&&w.length>0&&this._renderTransparents(w,A,t,l,E),this.backend.finishRender(g),i.renderId=n,this._currentRenderContext=a,this._currentRenderObjectFunction=o,this._handleObjectFunction=u,this._callDepth--,null!==s&&(this.setRenderTarget(d,c,h),this._renderOutput(p)),l.onAfterRender(this,e,t,p),this.inspector.finishRender(this.backend.getTimestampUID(g)),g}_setXRLayerSize(e,t){this._canvasTarget._width=e,this._canvasTarget._height=t,this.setViewport(0,0,e,t)}_renderOutput(e){const t=this._quad;this._nodes.hasOutputChange(e.texture)&&(t.material.fragmentNode=this._nodes.getOutputNode(e.texture),t.material.needsUpdate=!0);const r=this.autoClear,s=this.xr.enabled;this.autoClear=!1,this.xr.enabled=!1,this._renderScene(t,t.camera,!1),this.autoClear=r,this.xr.enabled=s}getMaxAnisotropy(){return this.backend.getMaxAnisotropy()}getActiveCubeFace(){return this._activeCubeFace}getActiveMipmapLevel(){return this._activeMipmapLevel}async setAnimationLoop(e){!1===this._initialized&&await this.init(),this._animation.setAnimationLoop(e)}getAnimationLoop(){return this._animation.getAnimationLoop()}async getArrayBufferAsync(e){return await this.backend.getArrayBufferAsync(e)}getContext(){return this.backend.getContext()}getPixelRatio(){return this._canvasTarget.getPixelRatio()}getDrawingBufferSize(e){return this._canvasTarget.getDrawingBufferSize(e)}getSize(e){return this._canvasTarget.getSize(e)}setPixelRatio(e=1){this._canvasTarget.setPixelRatio(e)}setDrawingBufferSize(e,t,r){this.xr&&this.xr.isPresenting||this._canvasTarget.setDrawingBufferSize(e,t,r)}setSize(e,t,r=!0){this.xr&&this.xr.isPresenting||this._canvasTarget.setSize(e,t,r)}setOpaqueSort(e){this._opaqueSort=e}setTransparentSort(e){this._transparentSort=e}getScissor(e){return this._canvasTarget.getScissor(e)}setScissor(e,t,r,s){this._canvasTarget.setScissor(e,t,r,s)}getScissorTest(){return this._canvasTarget.getScissorTest()}setScissorTest(e){this._canvasTarget.setScissorTest(e),this.backend.setScissorTest(e)}getViewport(e){return this._canvasTarget.getViewport(e)}setViewport(e,t,r,s,i=0,n=1){this._canvasTarget.setViewport(e,t,r,s,i,n)}getClearColor(e){return e.copy(this._clearColor)}setClearColor(e,t=1){this._clearColor.set(e),this._clearColor.a=t}getClearAlpha(){return this._clearColor.a}setClearAlpha(e){this._clearColor.a=e}getClearDepth(){return this._clearDepth}setClearDepth(e){this._clearDepth=e}getClearStencil(){return this._clearStencil}setClearStencil(e){this._clearStencil=e}isOccluded(e){const t=this._currentRenderContext;return t&&this.backend.isOccluded(t,e)}clear(e=!0,t=!0,r=!0){if(!1===this._initialized)throw new Error('Renderer: .clear() called before the backend is initialized. Use "await renderer.init();" before before using this method.');const s=this._renderTarget||this._getFrameBufferTarget();let i=null;if(null!==s){this._textures.updateRenderTarget(s);const e=this._textures.get(s);i=this._renderContexts.get(s),i.textures=e.textures,i.depthTexture=e.depthTexture,i.width=e.width,i.height=e.height,i.renderTarget=s,i.depth=s.depthBuffer,i.stencil=s.stencilBuffer;const t=this.backend.getClearColor();i.clearColorValue.r=t.r,i.clearColorValue.g=t.g,i.clearColorValue.b=t.b,i.clearColorValue.a=t.a,i.activeCubeFace=this.getActiveCubeFace(),i.activeMipmapLevel=this.getActiveMipmapLevel()}this.backend.clear(e,t,r,i),null!==s&&null===this._renderTarget&&this._renderOutput(s)}clearColor(){this.clear(!0,!1,!1)}clearDepth(){this.clear(!1,!0,!1)}clearStencil(){this.clear(!1,!1,!0)}async clearAsync(e=!0,t=!0,r=!0){v('Renderer: "clearAsync()" has been deprecated. Use "clear()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.clear(e,t,r)}async clearColorAsync(){v('Renderer: "clearColorAsync()" has been deprecated. Use "clearColor()" and "await renderer.init();" when creating the renderer.'),this.clear(!0,!1,!1)}async clearDepthAsync(){v('Renderer: "clearDepthAsync()" has been deprecated. Use "clearDepth()" and "await renderer.init();" when creating the renderer.'),this.clear(!1,!0,!1)}async clearStencilAsync(){v('Renderer: "clearStencilAsync()" has been deprecated. Use "clearStencil()" and "await renderer.init();" when creating the renderer.'),this.clear(!1,!1,!0)}get needsFrameBufferTarget(){const e=this.currentToneMapping!==m,t=this.currentColorSpace!==p.workingColorSpace;return e||t}get samples(){return this._samples}get currentSamples(){let e=this._samples;return null!==this._renderTarget?e=this._renderTarget.samples:this.needsFrameBufferTarget&&(e=0),e}get currentToneMapping(){return this.isOutputTarget?this.toneMapping:m}get currentColorSpace(){return this.isOutputTarget?this.outputColorSpace:p.workingColorSpace}get isOutputTarget(){return this._renderTarget===this._outputRenderTarget||null===this._renderTarget}dispose(){!0===this._initialized&&(this.info.dispose(),this.backend.dispose(),this._animation.dispose(),this._objects.dispose(),this._geometries.dispose(),this._pipelines.dispose(),this._nodes.dispose(),this._bindings.dispose(),this._renderLists.dispose(),this._renderContexts.dispose(),this._textures.dispose(),null!==this._frameBufferTarget&&this._frameBufferTarget.dispose(),Object.values(this.backend.timestampQueryPool).forEach(e=>{null!==e&&e.dispose()})),this.setRenderTarget(null),this.setAnimationLoop(null)}setRenderTarget(e,t=0,r=0){this._renderTarget=e,this._activeCubeFace=t,this._activeMipmapLevel=r}getRenderTarget(){return this._renderTarget}setOutputRenderTarget(e){this._outputRenderTarget=e}getOutputRenderTarget(){return this._outputRenderTarget}setCanvasTarget(e){this._canvasTarget.removeEventListener("resize",this._onCanvasTargetResize),this._canvasTarget=e,this._canvasTarget.addEventListener("resize",this._onCanvasTargetResize)}getCanvasTarget(){return this._canvasTarget}_resetXRState(){this.backend.setXRTarget(null),this.setOutputRenderTarget(null),this.setRenderTarget(null),this._frameBufferTarget.dispose(),this._frameBufferTarget=null}setRenderObjectFunction(e){this._renderObjectFunction=e}getRenderObjectFunction(){return this._renderObjectFunction}compute(e,t=null){if(!0===this._isDeviceLost)return;if(!1===this._initialized)return d("Renderer: .compute() called before the backend is initialized. Try using .computeAsync() instead."),this.computeAsync(e,t);const r=this._nodes.nodeFrame,s=r.renderId;this.info.calls++,this.info.compute.calls++,this.info.compute.frameCalls++,r.renderId=this.info.calls,this.backend.updateTimeStampUID(e),this.inspector.beginCompute(this.backend.getTimestampUID(e),e);const i=this.backend,n=this._pipelines,a=this._bindings,o=this._nodes,u=Array.isArray(e)?e:[e];if(void 0===u[0]||!0!==u[0].isComputeNode)throw new Error("THREE.Renderer: .compute() expects a ComputeNode.");i.beginCompute(e);for(const r of u){if(!1===n.has(r)){const e=()=>{r.removeEventListener("dispose",e),n.delete(r),a.deleteForCompute(r),o.delete(r)};r.addEventListener("dispose",e);const t=r.onInitFunction;null!==t&&t.call(r,{renderer:this})}o.updateForCompute(r),a.updateForCompute(r);const s=a.getForCompute(r),u=n.getForCompute(r,s);i.compute(e,r,s,u,t)}i.finishCompute(e),r.renderId=s,this.inspector.finishCompute(this.backend.getTimestampUID(e))}async computeAsync(e,t=null){!1===this._initialized&&await this.init(),this.compute(e,t)}async hasFeatureAsync(e){return v('Renderer: "hasFeatureAsync()" has been deprecated. Use "hasFeature()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.hasFeature(e)}async resolveTimestampsAsync(e="render"){return!1===this._initialized&&await this.init(),this.backend.resolveTimestampsAsync(e)}hasFeature(e){if(!1===this._initialized)throw new Error('Renderer: .hasFeature() called before the backend is initialized. Use "await renderer.init();" before before using this method.');return this.backend.hasFeature(e)}hasInitialized(){return this._initialized}async initTextureAsync(e){v('Renderer: "initTextureAsync()" has been deprecated. Use "initTexture()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.initTexture(e)}initTexture(e){if(!1===this._initialized)throw new Error('Renderer: .initTexture() called before the backend is initialized. Use "await renderer.init();" before before using this method.');this._textures.updateTexture(e)}initRenderTarget(e){if(!1===this._initialized)throw new Error('Renderer: .initRenderTarget() called before the backend is initialized. Use "await renderer.init();" before before using this method.');this._textures.updateRenderTarget(e);const t=this._textures.get(e),r=this._renderContexts.get(e);r.textures=t.textures,r.depthTexture=t.depthTexture,r.width=t.width,r.height=t.height,r.renderTarget=e,r.depth=e.depthBuffer,r.stencil=e.stencilBuffer,this.backend.initRenderTarget(r)}copyFramebufferToTexture(e,t=null){if(null!==t)if(t.isVector2)t=GS.set(t.x,t.y,e.image.width,e.image.height).floor();else{if(!t.isVector4)return void o("Renderer.copyFramebufferToTexture: Invalid rectangle.");t=GS.copy(t).floor()}else t=GS.set(0,0,e.image.width,e.image.height);let r,s=this._currentRenderContext;null!==s?r=s.renderTarget:(r=this._renderTarget||this._getFrameBufferTarget(),null!==r&&(this._textures.updateRenderTarget(r),s=this._textures.get(r))),this._textures.updateTexture(e,{renderTarget:r}),this.backend.copyFramebufferToTexture(e,s,t),this._inspector.copyFramebufferToTexture(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){this._textures.updateTexture(e),this._textures.updateTexture(t),this.backend.copyTextureToTexture(e,t,r,s,i,n),this._inspector.copyTextureToTexture(e,t)}async readRenderTargetPixelsAsync(e,t,r,s,i,n=0,a=0){return this.backend.copyTextureToBuffer(e.textures[n],t,r,s,i,a)}_projectObject(e,t,r,s,i){if(!1===e.visible)return;if(e.layers.test(t.layers))if(e.isGroup)r=e.renderOrder,e.isClippingGroup&&e.enabled&&(i=i.getGroupContext(e));else if(e.isLOD)!0===e.autoUpdate&&e.update(t);else if(e.isLight)s.pushLight(e);else if(e.isSprite){const n=t.isArrayCamera?VS:OS;if(!e.frustumCulled||n.intersectsSprite(e,t)){!0===this.sortObjects&&GS.setFromMatrixPosition(e.matrixWorld).applyMatrix4(kS);const{geometry:t,material:n}=e;n.visible&&s.push(e,t,n,r,GS.z,null,i)}}else if(e.isLineLoop)o("Renderer: Objects of type THREE.LineLoop are not supported. Please use THREE.Line or THREE.LineSegments.");else if(e.isMesh||e.isLine||e.isPoints){const n=t.isArrayCamera?VS:OS;if(!e.frustumCulled||n.intersectsObject(e,t)){const{geometry:t,material:n}=e;if(!0===this.sortObjects&&(null===t.boundingSphere&&t.computeBoundingSphere(),GS.copy(t.boundingSphere.center).applyMatrix4(e.matrixWorld).applyMatrix4(kS)),Array.isArray(n)){const a=t.groups;for(let o=0,u=a.length;o<u;o++){const u=a[o],l=n[u.materialIndex];l&&l.visible&&s.push(e,t,l,r,GS.z,u,i)}}else n.visible&&s.push(e,t,n,r,GS.z,null,i)}}if(!0===e.isBundleGroup&&void 0!==this.backend.beginBundle){const r=s;(s=this._renderLists.get(e,t)).begin(),r.pushBundle({bundleGroup:e,camera:t,renderList:s}),s.finish()}const n=e.children;for(let e=0,a=n.length;e<a;e++)this._projectObject(n[e],t,r,s,i)}_renderBundles(e,t,r){for(const s of e)this._renderBundle(s,t,r)}_renderTransparents(e,t,r,s,i){if(t.length>0){for(const{material:e}of t)e.side=M;this._renderObjects(t,r,s,i,"backSide");for(const{material:e}of t)e.side=lt;this._renderObjects(e,r,s,i);for(const{material:e}of t)e.side=B}else this._renderObjects(e,r,s,i)}_renderObjects(e,t,r,s,i=null){for(let n=0,a=e.length;n<a;n++){const{object:a,geometry:o,material:u,group:l,clippingContext:d}=e[n];this._currentRenderObjectFunction(a,r,t,o,u,l,s,d,i)}}_getShadowNodes(e){const t=e.version;let r=this._cacheShadowNodes.get(e);if(void 0===r||r.version!==t){const s=null!==e.map,i=e.colorNode&&e.colorNode.isNode,n=e.castShadowNode&&e.castShadowNode.isNode,a=e.maskShadowNode&&e.maskShadowNode.isNode||e.maskNode&&e.maskNode.isNode;let o=null,u=null,l=null;if(s||i||n||a){let t,r;if(n?(t=e.castShadowNode.rgb,r=e.castShadowNode.a,!0!==this.shadowMap.transmitted&&v("Renderer: `shadowMap.transmitted` needs to be set to `true` when using `material.castShadowNode`.")):(t=vn(0),r=gn(1)),s&&(r=r.mul(Fc("map","texture",e).a)),i&&(r=r.mul(e.colorNode.a)),u=En(t,r),a){const t=e.maskShadowNode||e.maskNode;u=un(([e])=>(t.not().discard(),e))(u)}}e.depthNode&&e.depthNode.isNode&&(l=e.depthNode),e.castShadowPositionNode&&e.castShadowPositionNode.isNode?o=e.castShadowPositionNode:e.positionNode&&e.positionNode.isNode&&(o=e.positionNode),r={version:t,colorNode:u,depthNode:l,positionNode:o},this._cacheShadowNodes.set(e,r)}return r}renderObject(e,t,r,s,i,n,a,o=null,u=null){let l,d,c,h,p=!1;if(e.onBeforeRender(this,t,r,s,i,n),!0===i.allowOverride&&null!==t.overrideMaterial){const e=t.overrideMaterial;if(p=!0,l=e.isNodeMaterial?e.colorNode:null,d=e.isNodeMaterial?e.depthNode:null,c=e.isNodeMaterial?e.positionNode:null,h=t.overrideMaterial.side,i.positionNode&&i.positionNode.isNode&&(e.positionNode=i.positionNode),e.alphaTest=i.alphaTest,e.alphaMap=i.alphaMap,e.transparent=i.transparent||i.transmission>0||i.transmissionNode&&i.transmissionNode.isNode||i.backdropNode&&i.backdropNode.isNode,e.isShadowPassMaterial){const{colorNode:t,depthNode:r,positionNode:s}=this._getShadowNodes(i);this.shadowMap.type===Ye?e.side=null!==i.shadowSide?i.shadowSide:i.side:e.side=null!==i.shadowSide?i.shadowSide:zS[i.side],null!==t&&(e.colorNode=t),null!==r&&(e.depthNode=r),null!==s&&(e.positionNode=s)}i=e}!0===i.transparent&&i.side===B&&!1===i.forceSinglePass?(i.side=M,this._handleObjectFunction(e,i,t,r,a,n,o,"backSide"),i.side=lt,this._handleObjectFunction(e,i,t,r,a,n,o,u),i.side=B):this._handleObjectFunction(e,i,t,r,a,n,o,u),p&&(t.overrideMaterial.colorNode=l,t.overrideMaterial.depthNode=d,t.overrideMaterial.positionNode=c,t.overrideMaterial.side=h),e.onAfterRender(this,t,r,s,i,n)}hasCompatibility(e){return this.backend.hasCompatibility(e)}_renderObjectDirect(e,t,r,s,i,n,a,o){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,a,o);if(u.drawRange=e.geometry.drawRange,u.group=n,null!==this._currentRenderBundle){this.backend.get(this._currentRenderBundle).renderObjects.push(u),u.bundle=this._currentRenderBundle.bundleGroup}const l=this._nodes.needsRefresh(u);l&&(this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u)),this._pipelines.updateForRender(u),this.backend.draw(u,this.info),l&&this._nodes.updateAfter(u)}_createObjectPipeline(e,t,r,s,i,n,a,o){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,a,o);u.drawRange=e.geometry.drawRange,u.group=n,this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u),this._pipelines.getForRender(u,this._compilationPromises),this._nodes.updateAfter(u)}_onCanvasTargetResize(){this._initialized&&this.backend.updateSize()}get compile(){return this.compileAsync}}class WS{constructor(e=""){this.name=e,this.visibility=0}setVisibility(e){this.visibility|=e}getVisibility(){return this.visibility}clone(){return Object.assign(new this.constructor,this)}}class HS extends WS{constructor(e,t=null){super(e),this.isBuffer=!0,this.bytesPerElement=Float32Array.BYTES_PER_ELEMENT,this._buffer=t,this._updateRanges=[]}get updateRanges(){return this._updateRanges}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}get byteLength(){return(e=this._buffer.byteLength)+(vy-e%vy)%vy;var e}get buffer(){return this._buffer}update(){return!0}}class qS extends HS{constructor(e,t=null){super(e,t),this.isUniformBuffer=!0}}let jS=0;class XS extends qS{constructor(e,t){super("UniformBuffer_"+jS++,e?e.value:null),this.nodeUniform=e,this.groupNode=t,this.isNodeUniformBuffer=!0}set updateRanges(e){this.nodeUniform.updateRanges=e}get updateRanges(){return this.nodeUniform.updateRanges}addUpdateRange(e,t){this.nodeUniform.addUpdateRange(e,t)}clearUpdateRanges(){this.nodeUniform.clearUpdateRanges()}get buffer(){return this.nodeUniform.value}}class KS extends qS{constructor(e){super(e),this.isUniformsGroup=!0,this._values=null,this.uniforms=[],this._updateRangeCache=new Map}addUniformUpdateRange(e){const t=e.index;if(!0!==this._updateRangeCache.has(t)){const r=this.updateRanges,s={start:e.offset,count:e.itemSize};r.push(s),this._updateRangeCache.set(t,s)}}clearUpdateRanges(){this._updateRangeCache.clear(),super.clearUpdateRanges()}addUniform(e){return this.uniforms.push(e),this}removeUniform(e){const t=this.uniforms.indexOf(e);return-1!==t&&this.uniforms.splice(t,1),this}get values(){return null===this._values&&(this._values=Array.from(this.buffer)),this._values}get buffer(){let e=this._buffer;if(null===e){const t=this.byteLength;e=new Float32Array(new ArrayBuffer(t)),this._buffer=e}return e}get byteLength(){const e=this.bytesPerElement;let t=0;for(let r=0,s=this.uniforms.length;r<s;r++){const s=this.uniforms[r],i=s.boundary,n=s.itemSize*e,a=t%vy,o=a%i,u=a+o;t+=o,0!==u&&vy-u<n&&(t+=vy-u),s.offset=t/e,s.index=r,t+=n}return Math.ceil(t/vy)*vy}update(){let e=!1;for(const t of this.uniforms)!0===this.updateByType(t)&&(e=!0);return e}updateByType(e){return e.isNumberUniform?this.updateNumber(e):e.isVector2Uniform?this.updateVector2(e):e.isVector3Uniform?this.updateVector3(e):e.isVector4Uniform?this.updateVector4(e):e.isColorUniform?this.updateColor(e):e.isMatrix3Uniform?this.updateMatrix3(e):e.isMatrix4Uniform?this.updateMatrix4(e):void o("WebGPUUniformsGroup: Unsupported uniform type.",e)}updateNumber(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i]!==s){this._getBufferForType(n)[i]=r[i]=s,t=!0,this.addUniformUpdateRange(e)}return t}updateVector2(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y){const a=this._getBufferForType(n);a[i+0]=r[i+0]=s.x,a[i+1]=r[i+1]=s.y,t=!0,this.addUniformUpdateRange(e)}return t}updateVector3(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z){const a=this._getBufferForType(n);a[i+0]=r[i+0]=s.x,a[i+1]=r[i+1]=s.y,a[i+2]=r[i+2]=s.z,t=!0,this.addUniformUpdateRange(e)}return t}updateVector4(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z||r[i+4]!==s.w){const a=this._getBufferForType(n);a[i+0]=r[i+0]=s.x,a[i+1]=r[i+1]=s.y,a[i+2]=r[i+2]=s.z,a[i+3]=r[i+3]=s.w,t=!0,this.addUniformUpdateRange(e)}return t}updateColor(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset;if(r[i+0]!==s.r||r[i+1]!==s.g||r[i+2]!==s.b){const n=this.buffer;n[i+0]=r[i+0]=s.r,n[i+1]=r[i+1]=s.g,n[i+2]=r[i+2]=s.b,t=!0,this.addUniformUpdateRange(e)}return t}updateMatrix3(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(r[i+0]!==s[0]||r[i+1]!==s[1]||r[i+2]!==s[2]||r[i+4]!==s[3]||r[i+5]!==s[4]||r[i+6]!==s[5]||r[i+8]!==s[6]||r[i+9]!==s[7]||r[i+10]!==s[8]){const n=this.buffer;n[i+0]=r[i+0]=s[0],n[i+1]=r[i+1]=s[1],n[i+2]=r[i+2]=s[2],n[i+4]=r[i+4]=s[3],n[i+5]=r[i+5]=s[4],n[i+6]=r[i+6]=s[5],n[i+8]=r[i+8]=s[6],n[i+9]=r[i+9]=s[7],n[i+10]=r[i+10]=s[8],t=!0,this.addUniformUpdateRange(e)}return t}updateMatrix4(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(!1===function(e,t,r){for(let s=0,i=t.length;s<i;s++)if(e[r+s]!==t[s])return!1;return!0}(r,s,i)){this.buffer.set(s,i),function(e,t,r){for(let s=0,i=t.length;s<i;s++)e[r+s]=t[s]}(r,s,i),t=!0,this.addUniformUpdateRange(e)}return t}_getBufferForType(e){return"int"===e||"ivec2"===e||"ivec3"===e||"ivec4"===e?new Int32Array(this.buffer.buffer):"uint"===e||"uvec2"===e||"uvec3"===e||"uvec4"===e?new Uint32Array(this.buffer.buffer):this.buffer}}let YS=0;class QS extends KS{constructor(e,t){super(e),this.id=YS++,this.groupNode=t,this.isNodeUniformsGroup=!0}}class ZS extends WS{constructor(e,t){super(e),this._texture=null,this._onTextureDispose=()=>{this.generation=null,this.version=0},this.texture=t,this.version=t?t.version:0,this.generation=null,this.samplerKey="",this.isSampler=!0}set texture(e){this._texture!==e&&(this._texture&&this._texture.removeEventListener("dispose",this._onTextureDispose),this._texture=e,this.generation=null,this.version=0,this._texture&&this._texture.addEventListener("dispose",this._onTextureDispose))}get texture(){return this._texture}update(){const{texture:e,version:t}=this;return t!==e.version&&(this.version=e.version,!0)}clone(){const e=super.clone();return e._texture=null,e._onTextureDispose=()=>{e.generation=null,e.version=0},e.texture=this.texture,e}}let JS=0;class eR extends ZS{constructor(e,t){super(e,t),this.id=JS++,this.store=!1,this.mipLevel=0,this.isSampledTexture=!0}}class tR extends eR{constructor(e,t,r,s=null){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r,this.access=s}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update()}}class rR extends tR{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledCubeTexture=!0}}class sR extends tR{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledTexture3D=!0}}const iR={bitcast_int_uint:new lT("uint tsl_bitcast_int_to_uint ( int x ) { return floatBitsToUint( intBitsToFloat ( x ) ); }"),bitcast_uint_int:new lT("uint tsl_bitcast_uint_to_int ( uint x ) { return floatBitsToInt( uintBitsToFloat ( x ) ); }")},nR={textureDimensions:"textureSize",equals:"equal",bitcast_float_int:"floatBitsToInt",bitcast_int_float:"intBitsToFloat",bitcast_uint_float:"uintBitsToFloat",bitcast_float_uint:"floatBitsToUint",bitcast_uint_int:"tsl_bitcast_uint_to_int",bitcast_int_uint:"tsl_bitcast_int_to_uint",floatpack_snorm_2x16:"packSnorm2x16",floatpack_unorm_2x16:"packUnorm2x16",floatpack_float16_2x16:"packHalf2x16",floatunpack_snorm_2x16:"unpackSnorm2x16",floatunpack_unorm_2x16:"unpackUnorm2x16",floatunpack_float16_2x16:"unpackHalf2x16"},aR={low:"lowp",medium:"mediump",high:"highp"},oR={swizzleAssign:!0,storageBuffer:!1},uR={perspective:"smooth",linear:"noperspective"},lR={centroid:"centroid"},dR="\nprecision highp float;\nprecision highp int;\nprecision highp sampler2D;\nprecision highp sampler3D;\nprecision highp samplerCube;\nprecision highp sampler2DArray;\n\nprecision highp usampler2D;\nprecision highp usampler3D;\nprecision highp usamplerCube;\nprecision highp usampler2DArray;\n\nprecision highp isampler2D;\nprecision highp isampler3D;\nprecision highp isamplerCube;\nprecision highp isampler2DArray;\n\nprecision highp sampler2DShadow;\nprecision highp sampler2DArrayShadow;\nprecision highp samplerCubeShadow;\n";class cR extends $N{constructor(e,t){super(e,t,new dS),this.uniformGroups={},this.transforms=[],this.extensions={},this.builtins={vertex:[],fragment:[],compute:[]}}needsToWorkingColorSpace(e){return!0===e.isVideoTexture&&e.colorSpace!==T}_include(e){const t=iR[e];return t.build(this),this.addInclude(t),t}getMethod(e){return void 0!==iR[e]&&this._include(e),nR[e]||e}getBitcastMethod(e,t){return this.getMethod(`bitcast_${t}_${e}`)}getFloatPackingMethod(e){return this.getMethod(`floatpack_${e}_2x16`)}getFloatUnpackingMethod(e){return this.getMethod(`floatunpack_${e}_2x16`)}getTernary(e,t,r){return`${e} ? ${t} : ${r}`}getOutputStructName(){return""}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(this.getType(e.type)+" "+e.name);return`${this.getType(t.type)} ${t.name}( ${s.join(", ")} ) {\n\n\t${r.vars}\n\n${r.code}\n\treturn ${r.result};\n\n}`}setupPBO(e){const t=e.value;if(void 0===t.pbo){const e=t.array,r=t.count*t.itemSize,{itemSize:s}=t,i=t.array.constructor.name.toLowerCase().includes("int");let n=i?bt:xt;2===s?n=i?Nt:G:3===s?n=i?St:Rt:4===s&&(n=i?Et:Se);const a={Float32Array:j,Uint8Array:Ve,Uint16Array:vt,Uint32Array:S,Int8Array:_t,Int16Array:Tt,Int32Array:R,Uint8ClampedArray:Ve},o=Math.pow(2,Math.ceil(Math.log2(Math.sqrt(r/s))));let u=Math.ceil(r/s/o);o*u*s<r&&u++;const l=o*u*s,d=new e.constructor(l);d.set(e,0),t.array=d;const c=new ye(t.array,o,u,n,a[t.array.constructor.name]||j);c.needsUpdate=!0,c.isPBOTexture=!0;const h=new Fl(c,null,null);h.setPrecision("high"),t.pboNode=h,t.pbo=h.value,this.getUniformFromNode(t.pboNode,"texture",this.shaderStage,this.context.nodeName)}}getPropertyName(e,t=this.shaderStage){return e.isNodeUniform&&!0!==e.node.isTextureNode&&!0!==e.node.isBufferNode?e.name:super.getPropertyName(e,t)}generatePBO(e){const{node:t,indexNode:r}=e,s=t.value;if(this.renderer.backend.has(s)){this.renderer.backend.get(s).pbo=s.pbo}const i=this.getUniformFromNode(s.pboNode,"texture",this.shaderStage,this.context.nodeName),n=this.getPropertyName(i);this.increaseUsage(r);const a=r.build(this,"uint"),o=this.getDataFromNode(e);let u=o.propertyName;if(void 0===u){const r=this.getVarFromNode(e);u=this.getPropertyName(r);const i=this.getDataFromNode(t);let l=i.propertySizeName;void 0===l&&(l=u+"Size",this.getVarFromNode(t,l,"uint"),this.addLineFlowCode(`${l} = uint( textureSize( ${n}, 0 ).x )`,e),i.propertySizeName=l);const{itemSize:d}=s,c="."+ni.join("").slice(0,d),h=`ivec2(${a} % ${l}, ${a} / ${l})`,p=this.generateTextureLoad(null,n,h,"0",null,null);let g="vec4";s.pbo.type===S?g="uvec4":s.pbo.type===R&&(g="ivec4"),this.addLineFlowCode(`${u} = ${g}(${p})${c}`,e),o.propertyName=u}return u}generateTextureLoad(e,t,r,s,i,n){let a;return null===s&&(s="0"),a=i?n?`texelFetchOffset( ${t}, ivec3( ${r}, ${i} ), ${s}, ${n} )`:`texelFetch( ${t}, ivec3( ${r}, ${i} ), ${s} )`:n?`texelFetchOffset( ${t}, ${r}, ${s}, ${n} )`:`texelFetch( ${t}, ${r}, ${s} )`,null!==e&&e.isDepthTexture&&(a+=".x"),a}generateTexture(e,t,r,s,i){return s&&(r=`vec3( ${r}, ${s} )`),e.isDepthTexture?i?`textureOffset( ${t}, ${r}, ${i} ).x`:`texture( ${t}, ${r} ).x`:i?`textureOffset( ${t}, ${r}, ${i} )`:`texture( ${t}, ${r} )`}generateTextureLevel(e,t,r,s,i){return i?`textureLodOffset( ${t}, ${r}, ${s}, ${i} )`:`textureLod( ${t}, ${r}, ${s} )`}generateTextureBias(e,t,r,s,i){return i?`textureOffset( ${t}, ${r}, ${i}, ${s} )`:`texture( ${t}, ${r}, ${s} )`}generateTextureGrad(e,t,r,s,i){return i?`textureGradOffset( ${t}, ${r}, ${s[0]}, ${s[1]}, ${i} )`:`textureGrad( ${t}, ${r}, ${s[0]}, ${s[1]} )`}generateTextureCompare(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return e.isCubeTexture?`texture( ${t}, vec4( ${r}, ${s} ) )`:i?n?`textureOffset( ${t}, vec4( ${r}, ${i}, ${s} ), ${n} )`:`texture( ${t}, vec4( ${r}, ${i}, ${s} ) )`:n?`textureOffset( ${t}, vec3( ${r}, ${s} ), ${n} )`:`texture( ${t}, vec3( ${r}, ${s} ) )`;o(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${a} shader.`)}getVars(e){const t=[],r=this.vars[e];if(void 0!==r)for(const e of r)t.push(`${this.getVar(e.type,e.name,e.count)};`);return t.join("\n\t")}getUniforms(e){const t=this.uniforms[e],r=[],s={};for(const e of t){let t=null,i=!1;if("texture"===e.type||"texture3D"===e.type){const r=e.node.value;let s="";!0!==r.isDataTexture&&!0!==r.isData3DTexture||(r.type===S?s="u":r.type===R&&(s="i")),t="texture3D"===e.type&&!1===r.isArrayTexture?`${s}sampler3D ${e.name};`:r.compareFunction?!0===r.isArrayTexture?`sampler2DArrayShadow ${e.name};`:`sampler2DShadow ${e.name};`:!0===r.isArrayTexture||!0===r.isDataArrayTexture||!0===r.isCompressedArrayTexture?`${s}sampler2DArray ${e.name};`:`${s}sampler2D ${e.name};`}else if("cubeTexture"===e.type)t=`samplerCube ${e.name};`;else if("cubeDepthTexture"===e.type){t=e.node.value.compareFunction?`samplerCubeShadow ${e.name};`:`samplerCube ${e.name};`}else if("buffer"===e.type){const r=e.node,s=this.getType(r.bufferType),i=r.bufferCount,n=i>0?i:"";t=`${r.name} {\n\t${s} ${e.name}[${n}];\n};\n`}else{const t=e.groupNode.name;if(void 0===s[t]){const e=this.uniformGroups[t];if(void 0!==e){const r=[];for(const t of e.uniforms){const e=t.getType(),s=this.getVectorType(e),i=t.nodeUniform.node.precision;let n=`${s} ${t.name};`;null!==i&&(n=aR[i]+" "+n),r.push("\t"+n)}s[t]=r}}i=!0}if(!i){const s=e.node.precision;null!==s&&(t=aR[s]+" "+t),t="uniform "+t,r.push(t)}}let i="";for(const e in s){const t=s[e];i+=this._getGLSLUniformStruct(e,t.join("\n"))+"\n"}return i+=r.join("\n"),i}getTypeFromAttribute(e){let t=super.getTypeFromAttribute(e);if(/^[iu]/.test(t)&&e.gpuType!==R){let r=e;e.isInterleavedBufferAttribute&&(r=e.data);const s=r.array;!1==(s instanceof Uint32Array||s instanceof Int32Array)&&(t=t.slice(1))}return t}getAttributes(e){let t="";if("vertex"===e||"compute"===e){const e=this.getAttributesArray();let r=0;for(const s of e)t+=`layout( location = ${r++} ) in ${s.type} ${s.name};\n`}return t}getStructMembers(e){const t=[];for(const r of e.members)t.push(`\t${r.type} ${r.name};`);return t.join("\n")}getStructs(e){const t=[],r=this.structs[e],s=[];for(const e of r)if(e.output)for(const t of e.members)s.push(`layout( location = ${t.index} ) out ${t.type} ${t.name};`);else{let r="struct "+e.name+" {\n";r+=this.getStructMembers(e),r+="\n};\n",t.push(r)}return 0===s.length&&s.push("layout( location = 0 ) out vec4 fragColor;"),"\n"+s.join("\n")+"\n\n"+t.join("\n")}getVaryings(e){let t="";const r=this.varyings;if("vertex"===e||"compute"===e)for(const s of r){"compute"===e&&(s.needsInterpolation=!0);const r=this.getType(s.type);if(s.needsInterpolation)if(s.interpolationType){t+=`${uR[s.interpolationType]||s.interpolationType} ${lR[s.interpolationSampling]||""} out ${r} ${s.name};\n`}else{t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}out ${r} ${s.name};\n`}else t+=`${r} ${s.name};\n`}else if("fragment"===e)for(const e of r)if(e.needsInterpolation){const r=this.getType(e.type);if(e.interpolationType){t+=`${uR[e.interpolationType]||e.interpolationType} ${lR[e.interpolationSampling]||""} in ${r} ${e.name};\n`}else{t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}in ${r} ${e.name};\n`}}for(const r of this.builtins[e])t+=`${r};\n`;return t}getVertexIndex(){return"uint( gl_VertexID )"}getInstanceIndex(){return"uint( gl_InstanceID )"}getInvocationLocalIndex(){return`uint( gl_InstanceID ) % ${this.object.workgroupSize.reduce((e,t)=>e*t,1)}u`}getSubgroupSize(){o("GLSLNodeBuilder: WebGLBackend does not support the subgroupSize node")}getInvocationSubgroupIndex(){o("GLSLNodeBuilder: WebGLBackend does not support the invocationSubgroupIndex node")}getSubgroupIndex(){o("GLSLNodeBuilder: WebGLBackend does not support the subgroupIndex node")}getDrawIndex(){return this.renderer.backend.extensions.has("WEBGL_multi_draw")?"uint( gl_DrawID )":null}getFrontFacing(){return"gl_FrontFacing"}getFragCoord(){return"gl_FragCoord.xy"}getFragDepth(){return"gl_FragDepth"}enableExtension(e,t,r=this.shaderStage){const s=this.extensions[r]||(this.extensions[r]=new Map);!1===s.has(e)&&s.set(e,{name:e,behavior:t})}getExtensions(e){const t=[];if("vertex"===e){const t=this.renderer.backend.extensions;this.object.isBatchedMesh&&t.has("WEBGL_multi_draw")&&this.enableExtension("GL_ANGLE_multi_draw","require",e)}const r=this.extensions[e];if(void 0!==r)for(const{name:e,behavior:s}of r.values())t.push(`#extension ${e} : ${s}`);return t.join("\n")}getClipDistance(){return"gl_ClipDistance"}isAvailable(e){let t=oR[e];if(void 0===t){let r;switch(t=!1,e){case"float32Filterable":r="OES_texture_float_linear";break;case"clipDistance":r="WEBGL_clip_cull_distance"}if(void 0!==r){const e=this.renderer.backend.extensions;e.has(r)&&(e.get(r),t=!0)}oR[e]=t}return t}isFlipY(){return!0}getUniformBufferLimit(){const e=this.renderer.backend.gl;return e.getParameter(e.MAX_UNIFORM_BLOCK_SIZE)}enableHardwareClipping(e){this.enableExtension("GL_ANGLE_clip_cull_distance","require"),this.builtins.vertex.push(`out float gl_ClipDistance[ ${e} ]`)}enableMultiview(){this.enableExtension("GL_OVR_multiview2","require","fragment"),this.enableExtension("GL_OVR_multiview2","require","vertex"),this.builtins.vertex.push("layout(num_views = 2) in")}registerTransform(e,t){this.transforms.push({varyingName:e,attributeNode:t})}getTransforms(){const e=this.transforms;let t="";for(let r=0;r<e.length;r++){const s=e[r],i=this.getPropertyName(s.attributeNode);i&&(t+=`${s.varyingName} = ${i};\n\t`)}return t}_getGLSLUniformStruct(e,t){return`\nlayout( std140 ) uniform ${e} {\n${t}\n};`}_getGLSLVertexCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// extensions\n${e.extensions}\n\n// precision\n${dR}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// attributes\n${e.attributes}\n\n// codes\n${e.codes}\n\nvoid main() {\n\n\t// vars\n\t${e.vars}\n\n\t// transforms\n\t${e.transforms}\n\n\t// flow\n\t${e.flow}\n\n\tgl_PointSize = 1.0;\n\n}\n`}_getGLSLFragmentCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// extensions\n${e.extensions}\n\n// precision\n${dR}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// codes\n${e.codes}\n\nvoid main() {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){let r="// code\n\n";r+=this.flowCode[t];const s=this.flowNodes[t],i=s[s.length-1];for(const e of s){const s=this.getFlowData(e),n=e.name;n&&(r.length>0&&(r+="\n"),r+=`\t// flow -> ${n}\n\t`),r+=`${s.code}\n\t`,e===i&&"compute"!==t&&(r+="// result\n\t","vertex"===t?(r+="gl_Position = ",r+=`${s.result};`):"fragment"===t&&(e.outputNode.isOutputStructNode||(r+="fragColor = ",r+=`${s.result};`)))}const n=e[t];n.extensions=this.getExtensions(t),n.uniforms=this.getUniforms(t),n.attributes=this.getAttributes(t),n.varyings=this.getVaryings(t),n.vars=this.getVars(t),n.structs=this.getStructs(t),n.codes=this.getCodes(t),n.transforms=this.getTransforms(t),n.flow=r}null!==this.material?(this.vertexShader=this._getGLSLVertexCode(e.vertex),this.fragmentShader=this._getGLSLFragmentCode(e.fragment)):this.computeShader=this._getGLSLVertexCode(e.compute)}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);let a=n.uniformGPU;if(void 0===a){const s=e.groupNode,o=s.name,u=this.getBindGroupArray(o,r);if("texture"===t)a=new tR(i.name,i.node,s),u.push(a);else if("cubeTexture"===t||"cubeDepthTexture"===t)a=new rR(i.name,i.node,s),u.push(a);else if("texture3D"===t)a=new sR(i.name,i.node,s),u.push(a);else if("buffer"===t){i.name=`buffer${e.id}`;const t=this.getSharedDataFromNode(e);let r=t.buffer;void 0===r&&(e.name=`NodeBuffer_${e.id}`,r=new XS(e,s),r.name=e.name,t.buffer=r),u.push(r),a=r}else{let e=this.uniformGroups[o];void 0===e?(e=new QS(o,s),this.uniformGroups[o]=e,u.push(e)):-1===u.indexOf(e)&&u.push(e),a=this.getNodeUniform(i,t);const r=a.name;e.uniforms.some(e=>e.name===r)||e.addUniform(a)}n.uniformGPU=a}return i}}let hR=null,pR=null;class gR{constructor(e={}){this.parameters=Object.assign({},e),this.data=new WeakMap,this.renderer=null,this.domElement=null,this.timestampQueryPool={[At.RENDER]:null,[At.COMPUTE]:null},this.trackTimestamp=!0===e.trackTimestamp}async init(e){this.renderer=e}get coordinateSystem(){}beginRender(){}finishRender(){}beginCompute(){}finishCompute(){}draw(){}compute(){}createProgram(){}destroyProgram(){}createBindings(){}updateBindings(){}updateBinding(){}createRenderPipeline(){}createComputePipeline(){}needsRenderUpdate(){}getRenderCacheKey(){}createNodeBuilder(){}updateSampler(){}createDefaultTexture(){}createTexture(){}updateTexture(){}generateMipmaps(){}destroyTexture(){}async copyTextureToBuffer(){}copyTextureToTexture(){}copyFramebufferToTexture(){}createAttribute(){}createIndexAttribute(){}createStorageAttribute(){}updateAttribute(){}destroyAttribute(){}getContext(){}updateSize(){}updateViewport(){}updateTimeStampUID(e){const t=this.get(e),r=this.renderer.info.frame;let s;s=!0===e.isComputeNode?"c:"+this.renderer.info.compute.frameCalls:"r:"+this.renderer.info.render.frameCalls,t.timestampUID=s+":"+e.id+":f"+r}getTimestampUID(e){return this.get(e).timestampUID}getTimestampFrames(e){const t=this.timestampQueryPool[e];return t?t.getTimestampFrames():[]}_getQueryPool(e){const t=e.startsWith("c:")?At.COMPUTE:At.RENDER;return this.timestampQueryPool[t]}getTimestamp(e){return this._getQueryPool(e).getTimestamp(e)}hasTimestamp(e){return this._getQueryPool(e).hasTimestamp(e)}isOccluded(){}async resolveTimestampsAsync(e="render"){if(!this.trackTimestamp)return void v("WebGPURenderer: Timestamp tracking is disabled.");const t=this.timestampQueryPool[e];if(!t)return;const r=await t.resolveQueriesAsync();return this.renderer.info[e].timestamp=r,r}async getArrayBufferAsync(){}async hasFeatureAsync(){}hasFeature(){}getMaxAnisotropy(){}getDrawingBufferSize(){return hR=hR||new t,this.renderer.getDrawingBufferSize(hR)}setScissorTest(){}getClearColor(){const e=this.renderer;return pR=pR||new Xy,e.getClearColor(pR),pR.getRGB(pR),pR}getDomElement(){let e=this.domElement;return null===e&&(e=void 0!==this.parameters.canvas?this.parameters.canvas:wt(),"setAttribute"in e&&e.setAttribute("data-engine",`three.js r${at} webgpu`),this.domElement=e),e}hasCompatibility(){return!1}initRenderTarget(){}set(e,t){this.data.set(e,t)}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}has(e){return this.data.has(e)}delete(e){this.data.delete(e)}deleteBindGroupData(){}dispose(){}}let mR,fR,yR=0;class bR{constructor(e,t){this.buffers=[e.bufferGPU,t],this.type=e.type,this.bufferType=e.bufferType,this.pbo=e.pbo,this.byteLength=e.byteLength,this.bytesPerElement=e.BYTES_PER_ELEMENT,this.version=e.version,this.isInteger=e.isInteger,this.activeBufferIndex=0,this.baseId=e.id}get id(){return`${this.baseId}|${this.activeBufferIndex}`}get bufferGPU(){return this.buffers[this.activeBufferIndex]}get transformBuffer(){return this.buffers[1^this.activeBufferIndex]}switchBuffers(){this.activeBufferIndex^=1}}class xR{constructor(e){this.backend=e}createAttribute(e,t){const r=this.backend,{gl:s}=r,i=e.array,n=e.usage||s.STATIC_DRAW,a=e.isInterleavedBufferAttribute?e.data:e,o=r.get(a);let u,l=o.bufferGPU;if(void 0===l&&(l=this._createBuffer(s,t,i,n),o.bufferGPU=l,o.bufferType=t,o.version=a.version),i instanceof Float32Array)u=s.FLOAT;else if("undefined"!=typeof Float16Array&&i instanceof Float16Array)u=s.HALF_FLOAT;else if(i instanceof Uint16Array)u=e.isFloat16BufferAttribute?s.HALF_FLOAT:s.UNSIGNED_SHORT;else if(i instanceof Int16Array)u=s.SHORT;else if(i instanceof Uint32Array)u=s.UNSIGNED_INT;else if(i instanceof Int32Array)u=s.INT;else if(i instanceof Int8Array)u=s.BYTE;else if(i instanceof Uint8Array)u=s.UNSIGNED_BYTE;else{if(!(i instanceof Uint8ClampedArray))throw new Error("THREE.WebGLBackend: Unsupported buffer data format: "+i);u=s.UNSIGNED_BYTE}let d={bufferGPU:l,bufferType:t,type:u,byteLength:i.byteLength,bytesPerElement:i.BYTES_PER_ELEMENT,version:e.version,pbo:e.pbo,isInteger:u===s.INT||u===s.UNSIGNED_INT||e.gpuType===R,id:yR++};if(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute){const e=this._createBuffer(s,t,i,n);d=new bR(d,e)}r.set(e,d)}updateAttribute(e){const t=this.backend,{gl:r}=t,s=e.array,i=e.isInterleavedBufferAttribute?e.data:e,n=t.get(i),a=n.bufferType,o=e.isInterleavedBufferAttribute?e.data.updateRanges:e.updateRanges;if(r.bindBuffer(a,n.bufferGPU),0===o.length)r.bufferSubData(a,0,s);else{for(let e=0,t=o.length;e<t;e++){const t=o[e];r.bufferSubData(a,t.start*s.BYTES_PER_ELEMENT,s,t.start,t.count)}i.clearUpdateRanges()}r.bindBuffer(a,null),n.version=i.version}destroyAttribute(e){const t=this.backend,{gl:r}=t;e.isInterleavedBufferAttribute&&t.delete(e.data);const s=t.get(e);r.deleteBuffer(s.bufferGPU),t.delete(e)}async getArrayBufferAsync(e){const t=this.backend,{gl:r}=t,s=e.isInterleavedBufferAttribute?e.data:e,{bufferGPU:i}=t.get(s),n=e.array,a=n.byteLength;r.bindBuffer(r.COPY_READ_BUFFER,i);const o=r.createBuffer();r.bindBuffer(r.COPY_WRITE_BUFFER,o),r.bufferData(r.COPY_WRITE_BUFFER,a,r.STREAM_READ),r.copyBufferSubData(r.COPY_READ_BUFFER,r.COPY_WRITE_BUFFER,0,0,a),await t.utils._clientWaitAsync();const u=new e.array.constructor(n.length);return r.bindBuffer(r.COPY_WRITE_BUFFER,o),r.getBufferSubData(r.COPY_WRITE_BUFFER,0,u),r.deleteBuffer(o),r.bindBuffer(r.COPY_READ_BUFFER,null),r.bindBuffer(r.COPY_WRITE_BUFFER,null),u.buffer}_createBuffer(e,t,r,s){const i=e.createBuffer();return e.bindBuffer(t,i),e.bufferData(t,r,s),e.bindBuffer(t,null),i}}class TR{constructor(e){this.backend=e,this.gl=this.backend.gl,this.enabled={},this.currentFlipSided=null,this.currentCullFace=null,this.currentProgram=null,this.currentBlendingEnabled=!1,this.currentBlending=null,this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentPremultipledAlpha=null,this.currentPolygonOffsetFactor=null,this.currentPolygonOffsetUnits=null,this.currentColorMask=null,this.currentDepthFunc=null,this.currentDepthMask=null,this.currentStencilFunc=null,this.currentStencilRef=null,this.currentStencilFuncMask=null,this.currentStencilFail=null,this.currentStencilZFail=null,this.currentStencilZPass=null,this.currentStencilMask=null,this.currentLineWidth=null,this.currentClippingPlanes=0,this.currentVAO=null,this.currentIndex=null,this.currentBoundFramebuffers={},this.currentDrawbuffers=new WeakMap,this.maxTextures=this.gl.getParameter(this.gl.MAX_TEXTURE_IMAGE_UNITS),this.currentTextureSlot=null,this.currentBoundTextures={},this.currentBoundBufferBases={},this._init()}_init(){const e=this.gl;mR={[$e]:e.FUNC_ADD,[Mt]:e.FUNC_SUBTRACT,[Ct]:e.FUNC_REVERSE_SUBTRACT},fR={[ct]:e.ZERO,[Ot]:e.ONE,[It]:e.SRC_COLOR,[Ge]:e.SRC_ALPHA,[Ut]:e.SRC_ALPHA_SATURATE,[Dt]:e.DST_COLOR,[Pt]:e.DST_ALPHA,[Lt]:e.ONE_MINUS_SRC_COLOR,[ze]:e.ONE_MINUS_SRC_ALPHA,[Ft]:e.ONE_MINUS_DST_COLOR,[Bt]:e.ONE_MINUS_DST_ALPHA};const t=e.getParameter(e.SCISSOR_BOX),r=e.getParameter(e.VIEWPORT);this.currentScissor=(new s).fromArray(t),this.currentViewport=(new s).fromArray(r),this._tempVec4=new s}enable(e){const{enabled:t}=this;!0!==t[e]&&(this.gl.enable(e),t[e]=!0)}disable(e){const{enabled:t}=this;!1!==t[e]&&(this.gl.disable(e),t[e]=!1)}setFlipSided(e){if(this.currentFlipSided!==e){const{gl:t}=this;e?t.frontFace(t.CW):t.frontFace(t.CCW),this.currentFlipSided=e}}setCullFace(e){const{gl:t}=this;e!==Vt?(this.enable(t.CULL_FACE),e!==this.currentCullFace&&(e===kt?t.cullFace(t.BACK):e===Gt?t.cullFace(t.FRONT):t.cullFace(t.FRONT_AND_BACK))):this.disable(t.CULL_FACE),this.currentCullFace=e}setLineWidth(e){const{currentLineWidth:t,gl:r}=this;e!==t&&(r.lineWidth(e),this.currentLineWidth=e)}setMRTBlending(e,t,r){const s=this.gl,i=this.backend.drawBuffersIndexedExt;if(i)for(let n=0;n<e.length;n++){const a=e[n];let o=null;if(null!==t){const e=t.getBlendMode(a.name);e.blending===We?o=r:e.blending!==ee&&(o=e)}else o=r;null!==o?this._setMRTBlendingIndex(n,o):i.blendFuncSeparateiOES(n,s.ONE,s.ZERO,s.ONE,s.ZERO)}}_setMRTBlendingIndex(e,t){const{gl:r}=this,s=this.backend.drawBuffersIndexedExt,i=t.blending,n=t.blendSrc,a=t.blendDst,o=t.blendEquation,u=t.premultipliedAlpha;if(i===dt){const r=null!==t.blendSrcAlpha?t.blendSrcAlpha:n,i=null!==t.blendDstAlpha?t.blendDstAlpha:a,u=null!==t.blendEquationAlpha?t.blendEquationAlpha:o;s.blendEquationSeparateiOES(e,mR[o],mR[u]),s.blendFuncSeparateiOES(e,fR[n],fR[a],fR[r],fR[i])}else if(s.blendEquationSeparateiOES(e,r.FUNC_ADD,r.FUNC_ADD),u)switch(i){case ke:s.blendFuncSeparateiOES(e,r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA);break;case Wt:s.blendFuncSeparateiOES(e,r.ONE,r.ONE,r.ONE,r.ONE);break;case $t:s.blendFuncSeparateiOES(e,r.ZERO,r.ONE_MINUS_SRC_COLOR,r.ZERO,r.ONE);break;case zt:s.blendFuncSeparateiOES(e,r.DST_COLOR,r.ONE_MINUS_SRC_ALPHA,r.ZERO,r.ONE);break;default:s.blendFuncSeparateiOES(e,r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}else switch(i){case ke:s.blendFuncSeparateiOES(e,r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA);break;case Wt:s.blendFuncSeparateiOES(e,r.SRC_ALPHA,r.ONE,r.ONE,r.ONE);break;case $t:s.blendFuncSeparateiOES(e,r.ZERO,r.ONE_MINUS_SRC_COLOR,r.ZERO,r.ONE);break;case zt:s.blendFuncSeparateiOES(e,r.DST_COLOR,r.ONE_MINUS_SRC_ALPHA,r.ZERO,r.ONE);break;default:s.blendFuncSeparateiOES(e,r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}}setBlending(e,t,r,s,i,n,a,u){const{gl:l}=this;if(e!==ee){if(!1===this.currentBlendingEnabled&&(this.enable(l.BLEND),this.currentBlendingEnabled=!0),e===dt)i=i||t,n=n||r,a=a||s,t===this.currentBlendEquation&&i===this.currentBlendEquationAlpha||(l.blendEquationSeparate(mR[t],mR[i]),this.currentBlendEquation=t,this.currentBlendEquationAlpha=i),r===this.currentBlendSrc&&s===this.currentBlendDst&&n===this.currentBlendSrcAlpha&&a===this.currentBlendDstAlpha||(l.blendFuncSeparate(fR[r],fR[s],fR[n],fR[a]),this.currentBlendSrc=r,this.currentBlendDst=s,this.currentBlendSrcAlpha=n,this.currentBlendDstAlpha=a),this.currentBlending=e,this.currentPremultipledAlpha=!1;else if(e!==this.currentBlending||u!==this.currentPremultipledAlpha){if(this.currentBlendEquation===$e&&this.currentBlendEquationAlpha===$e||(l.blendEquation(l.FUNC_ADD),this.currentBlendEquation=$e,this.currentBlendEquationAlpha=$e),u)switch(e){case ke:l.blendFuncSeparate(l.ONE,l.ONE_MINUS_SRC_ALPHA,l.ONE,l.ONE_MINUS_SRC_ALPHA);break;case Wt:l.blendFunc(l.ONE,l.ONE);break;case $t:l.blendFuncSeparate(l.ZERO,l.ONE_MINUS_SRC_COLOR,l.ZERO,l.ONE);break;case zt:l.blendFuncSeparate(l.DST_COLOR,l.ONE_MINUS_SRC_ALPHA,l.ZERO,l.ONE);break;default:o("WebGLState: Invalid blending: ",e)}else switch(e){case ke:l.blendFuncSeparate(l.SRC_ALPHA,l.ONE_MINUS_SRC_ALPHA,l.ONE,l.ONE_MINUS_SRC_ALPHA);break;case Wt:l.blendFuncSeparate(l.SRC_ALPHA,l.ONE,l.ONE,l.ONE);break;case $t:o("WebGLState: SubtractiveBlending requires material.premultipliedAlpha = true");break;case zt:o("WebGLState: MultiplyBlending requires material.premultipliedAlpha = true");break;default:o("WebGLState: Invalid blending: ",e)}this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentBlending=e,this.currentPremultipledAlpha=u}}else!0===this.currentBlendingEnabled&&(this.disable(l.BLEND),this.currentBlendingEnabled=!1)}setColorMask(e){this.currentColorMask!==e&&(this.gl.colorMask(e,e,e,e),this.currentColorMask=e)}setDepthTest(e){const{gl:t}=this;e?this.enable(t.DEPTH_TEST):this.disable(t.DEPTH_TEST)}setDepthMask(e){this.currentDepthMask!==e&&(this.gl.depthMask(e),this.currentDepthMask=e)}setDepthFunc(e){if(this.currentDepthFunc!==e){const{gl:t}=this;switch(e){case Zt:t.depthFunc(t.NEVER);break;case Qt:t.depthFunc(t.ALWAYS);break;case Yt:t.depthFunc(t.LESS);break;case Kt:t.depthFunc(t.LEQUAL);break;case Xt:t.depthFunc(t.EQUAL);break;case jt:t.depthFunc(t.GEQUAL);break;case qt:t.depthFunc(t.GREATER);break;case Ht:t.depthFunc(t.NOTEQUAL);break;default:t.depthFunc(t.LEQUAL)}this.currentDepthFunc=e}}scissor(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentScissor.equals(i)){const{gl:e}=this;e.scissor(i.x,i.y,i.z,i.w),this.currentScissor.copy(i)}}viewport(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentViewport.equals(i)){const{gl:e}=this;e.viewport(i.x,i.y,i.z,i.w),this.currentViewport.copy(i)}}setScissorTest(e){const t=this.gl;e?this.enable(t.SCISSOR_TEST):this.disable(t.SCISSOR_TEST)}setStencilTest(e){const{gl:t}=this;e?this.enable(t.STENCIL_TEST):this.disable(t.STENCIL_TEST)}setStencilMask(e){this.currentStencilMask!==e&&(this.gl.stencilMask(e),this.currentStencilMask=e)}setStencilFunc(e,t,r){this.currentStencilFunc===e&&this.currentStencilRef===t&&this.currentStencilFuncMask===r||(this.gl.stencilFunc(e,t,r),this.currentStencilFunc=e,this.currentStencilRef=t,this.currentStencilFuncMask=r)}setStencilOp(e,t,r){this.currentStencilFail===e&&this.currentStencilZFail===t&&this.currentStencilZPass===r||(this.gl.stencilOp(e,t,r),this.currentStencilFail=e,this.currentStencilZFail=t,this.currentStencilZPass=r)}setMaterial(e,t,r){const{gl:s}=this;e.side===B?this.disable(s.CULL_FACE):this.enable(s.CULL_FACE);let i=e.side===M;t&&(i=!i),this.setFlipSided(i),e.blending===ke&&!1===e.transparent?this.setBlending(ee):this.setBlending(e.blending,e.blendEquation,e.blendSrc,e.blendDst,e.blendEquationAlpha,e.blendSrcAlpha,e.blendDstAlpha,e.premultipliedAlpha),this.setDepthFunc(e.depthFunc),this.setDepthTest(e.depthTest),this.setDepthMask(e.depthWrite),this.setColorMask(e.colorWrite);const n=e.stencilWrite;if(this.setStencilTest(n),n&&(this.setStencilMask(e.stencilWriteMask),this.setStencilFunc(e.stencilFunc,e.stencilRef,e.stencilFuncMask),this.setStencilOp(e.stencilFail,e.stencilZFail,e.stencilZPass)),this.setPolygonOffset(e.polygonOffset,e.polygonOffsetFactor,e.polygonOffsetUnits),!0===e.alphaToCoverage&&this.backend.renderer.currentSamples>0?this.enable(s.SAMPLE_ALPHA_TO_COVERAGE):this.disable(s.SAMPLE_ALPHA_TO_COVERAGE),r>0&&this.currentClippingPlanes!==r){const e=12288;for(let t=0;t<8;t++)t<r?this.enable(e+t):this.disable(e+t)}}setPolygonOffset(e,t,r){const{gl:s}=this;e?(this.enable(s.POLYGON_OFFSET_FILL),this.currentPolygonOffsetFactor===t&&this.currentPolygonOffsetUnits===r||(s.polygonOffset(t,r),this.currentPolygonOffsetFactor=t,this.currentPolygonOffsetUnits=r)):this.disable(s.POLYGON_OFFSET_FILL)}useProgram(e){return this.currentProgram!==e&&(this.gl.useProgram(e),this.currentProgram=e,!0)}setVertexState(e,t=null){const r=this.gl;return(this.currentVAO!==e||this.currentIndex!==t)&&(r.bindVertexArray(e),null!==t&&r.bindBuffer(r.ELEMENT_ARRAY_BUFFER,t),this.currentVAO=e,this.currentIndex=t,!0)}resetVertexState(){const e=this.gl;e.bindVertexArray(null),e.bindBuffer(e.ELEMENT_ARRAY_BUFFER,null),this.currentVAO=null,this.currentIndex=null}bindFramebuffer(e,t){const{gl:r,currentBoundFramebuffers:s}=this;return s[e]!==t&&(r.bindFramebuffer(e,t),s[e]=t,e===r.DRAW_FRAMEBUFFER&&(s[r.FRAMEBUFFER]=t),e===r.FRAMEBUFFER&&(s[r.DRAW_FRAMEBUFFER]=t),!0)}drawBuffers(e,t){const{gl:r}=this;let s=[],i=!1;if(null!==e.textures){s=this.currentDrawbuffers.get(t),void 0===s&&(s=[],this.currentDrawbuffers.set(t,s));const n=e.textures;if(s.length!==n.length||s[0]!==r.COLOR_ATTACHMENT0){for(let e=0,t=n.length;e<t;e++)s[e]=r.COLOR_ATTACHMENT0+e;s.length=n.length,i=!0}}else s[0]!==r.BACK&&(s[0]=r.BACK,i=!0);i&&r.drawBuffers(s)}activeTexture(e){const{gl:t,currentTextureSlot:r,maxTextures:s}=this;void 0===e&&(e=t.TEXTURE0+s-1),r!==e&&(t.activeTexture(e),this.currentTextureSlot=e)}bindTexture(e,t,r){const{gl:s,currentTextureSlot:i,currentBoundTextures:n,maxTextures:a}=this;void 0===r&&(r=null===i?s.TEXTURE0+a-1:i);let o=n[r];void 0===o&&(o={type:void 0,texture:void 0},n[r]=o),o.type===e&&o.texture===t||(i!==r&&(s.activeTexture(r),this.currentTextureSlot=r),s.bindTexture(e,t),o.type=e,o.texture=t)}bindBufferBase(e,t,r){const{gl:s}=this,i=`${e}-${t}`;return this.currentBoundBufferBases[i]!==r&&(s.bindBufferBase(e,t,r),this.currentBoundBufferBases[i]=r,!0)}unbindTexture(){const{gl:e,currentTextureSlot:t,currentBoundTextures:r}=this,s=r[t];void 0!==s&&void 0!==s.type&&(e.bindTexture(s.type,null),s.type=void 0,s.texture=void 0)}}class _R{constructor(e){this.backend=e,this.gl=this.backend.gl,this.extensions=e.extensions}convert(e,t=T){const{gl:r,extensions:s}=this;let i;const n=p.getTransfer(t);if(e===Ve)return r.UNSIGNED_BYTE;if(e===Jt)return r.UNSIGNED_SHORT_4_4_4_4;if(e===er)return r.UNSIGNED_SHORT_5_5_5_1;if(e===tr)return r.UNSIGNED_INT_5_9_9_9_REV;if(e===rr)return r.UNSIGNED_INT_10F_11F_11F_REV;if(e===_t)return r.BYTE;if(e===Tt)return r.SHORT;if(e===vt)return r.UNSIGNED_SHORT;if(e===R)return r.INT;if(e===S)return r.UNSIGNED_INT;if(e===j)return r.FLOAT;if(e===be)return r.HALF_FLOAT;if(e===sr)return r.ALPHA;if(e===Rt)return r.RGB;if(e===Se)return r.RGBA;if(e===Ie)return r.DEPTH_COMPONENT;if(e===Ue)return r.DEPTH_STENCIL;if(e===xt)return r.RED;if(e===bt)return r.RED_INTEGER;if(e===G)return r.RG;if(e===Nt)return r.RG_INTEGER;if(e===Et)return r.RGBA_INTEGER;if(e===ir||e===nr||e===ar||e===or)if(n===g){if(i=s.get("WEBGL_compressed_texture_s3tc_srgb"),null===i)return null;if(e===ir)return i.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(e===nr)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(e===ar)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(e===or)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(i=s.get("WEBGL_compressed_texture_s3tc"),null===i)return null;if(e===ir)return i.COMPRESSED_RGB_S3TC_DXT1_EXT;if(e===nr)return i.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(e===ar)return i.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(e===or)return i.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(e===ur||e===lr||e===dr||e===cr){if(i=s.get("WEBGL_compressed_texture_pvrtc"),null===i)return null;if(e===ur)return i.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(e===lr)return i.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(e===dr)return i.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(e===cr)return i.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(e===hr||e===pr||e===gr||e===mr||e===fr||e===$||e===yr){if(i=s.get("WEBGL_compressed_texture_etc"),null===i)return null;if(e===hr||e===pr)return n===g?i.COMPRESSED_SRGB8_ETC2:i.COMPRESSED_RGB8_ETC2;if(e===gr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:i.COMPRESSED_RGBA8_ETC2_EAC;if(e===mr)return i.COMPRESSED_R11_EAC;if(e===fr)return i.COMPRESSED_SIGNED_R11_EAC;if(e===$)return i.COMPRESSED_RG11_EAC;if(e===yr)return i.COMPRESSED_SIGNED_RG11_EAC}if(e===br||e===xr||e===Tr||e===_r||e===vr||e===Nr||e===Sr||e===Rr||e===Er||e===Ar||e===wr||e===Cr||e===Mr||e===Br){if(i=s.get("WEBGL_compressed_texture_astc"),null===i)return null;if(e===br)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:i.COMPRESSED_RGBA_ASTC_4x4_KHR;if(e===xr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:i.COMPRESSED_RGBA_ASTC_5x4_KHR;if(e===Tr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:i.COMPRESSED_RGBA_ASTC_5x5_KHR;if(e===_r)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:i.COMPRESSED_RGBA_ASTC_6x5_KHR;if(e===vr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:i.COMPRESSED_RGBA_ASTC_6x6_KHR;if(e===Nr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:i.COMPRESSED_RGBA_ASTC_8x5_KHR;if(e===Sr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:i.COMPRESSED_RGBA_ASTC_8x6_KHR;if(e===Rr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:i.COMPRESSED_RGBA_ASTC_8x8_KHR;if(e===Er)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:i.COMPRESSED_RGBA_ASTC_10x5_KHR;if(e===Ar)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:i.COMPRESSED_RGBA_ASTC_10x6_KHR;if(e===wr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:i.COMPRESSED_RGBA_ASTC_10x8_KHR;if(e===Cr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:i.COMPRESSED_RGBA_ASTC_10x10_KHR;if(e===Mr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:i.COMPRESSED_RGBA_ASTC_12x10_KHR;if(e===Br)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:i.COMPRESSED_RGBA_ASTC_12x12_KHR}if(e===Fr){if(i=s.get("EXT_texture_compression_bptc"),null===i)return null;if(e===Fr)return n===g?i.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:i.COMPRESSED_RGBA_BPTC_UNORM_EXT}if(e===Lr||e===Pr||e===z||e===Dr){if(i=s.get("EXT_texture_compression_rgtc"),null===i)return null;if(e===Lr)return i.COMPRESSED_RED_RGTC1_EXT;if(e===Pr)return i.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(e===z)return i.COMPRESSED_RED_GREEN_RGTC2_EXT;if(e===Dr)return i.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}return e===Oe?r.UNSIGNED_INT_24_8:void 0!==r[e]?r[e]:null}_clientWaitAsync(){const{gl:e}=this,t=e.fenceSync(e.SYNC_GPU_COMMANDS_COMPLETE,0);return e.flush(),new Promise((r,s)=>{!function i(){const n=e.clientWaitSync(t,e.SYNC_FLUSH_COMMANDS_BIT,0);if(n===e.WAIT_FAILED)return e.deleteSync(t),void s();n!==e.TIMEOUT_EXPIRED?(e.deleteSync(t),r()):requestAnimationFrame(i)}()})}}let vR,NR,SR,RR=!1;class ER{constructor(e){this.backend=e,this.gl=e.gl,this.extensions=e.extensions,this.defaultTextures={},this._srcFramebuffer=null,this._dstFramebuffer=null,!1===RR&&(this._init(),RR=!0)}_init(){const e=this.gl;vR={[Ir]:e.REPEAT,[xe]:e.CLAMP_TO_EDGE,[Ur]:e.MIRRORED_REPEAT},NR={[w]:e.NEAREST,[Or]:e.NEAREST_MIPMAP_NEAREST,[it]:e.NEAREST_MIPMAP_LINEAR,[oe]:e.LINEAR,[st]:e.LINEAR_MIPMAP_NEAREST,[K]:e.LINEAR_MIPMAP_LINEAR},SR={[Wr]:e.NEVER,[$r]:e.ALWAYS,[A]:e.LESS,[Qe]:e.LEQUAL,[zr]:e.EQUAL,[Gr]:e.GEQUAL,[kr]:e.GREATER,[Vr]:e.NOTEQUAL}}getGLTextureType(e){const{gl:t}=this;let r;return r=!0===e.isCubeTexture?t.TEXTURE_CUBE_MAP:!0===e.isArrayTexture||!0===e.isDataArrayTexture||!0===e.isCompressedArrayTexture?t.TEXTURE_2D_ARRAY:!0===e.isData3DTexture?t.TEXTURE_3D:t.TEXTURE_2D,r}getInternalFormat(e,t,r,s,i=!1){const{gl:n,extensions:a}=this;if(null!==e){if(void 0!==n[e])return n[e];d("WebGLBackend: Attempt to use non-existing WebGL internal format '"+e+"'")}let o=t;if(t===n.RED&&(r===n.FLOAT&&(o=n.R32F),r===n.HALF_FLOAT&&(o=n.R16F),r===n.UNSIGNED_BYTE&&(o=n.R8),r===n.UNSIGNED_SHORT&&(o=n.R16),r===n.UNSIGNED_INT&&(o=n.R32UI),r===n.BYTE&&(o=n.R8I),r===n.SHORT&&(o=n.R16I),r===n.INT&&(o=n.R32I)),t===n.RED_INTEGER&&(r===n.UNSIGNED_BYTE&&(o=n.R8UI),r===n.UNSIGNED_SHORT&&(o=n.R16UI),r===n.UNSIGNED_INT&&(o=n.R32UI),r===n.BYTE&&(o=n.R8I),r===n.SHORT&&(o=n.R16I),r===n.INT&&(o=n.R32I)),t===n.RG&&(r===n.FLOAT&&(o=n.RG32F),r===n.HALF_FLOAT&&(o=n.RG16F),r===n.UNSIGNED_BYTE&&(o=n.RG8),r===n.UNSIGNED_SHORT&&(o=n.RG16),r===n.UNSIGNED_INT&&(o=n.RG32UI),r===n.BYTE&&(o=n.RG8I),r===n.SHORT&&(o=n.RG16I),r===n.INT&&(o=n.RG32I)),t===n.RG_INTEGER&&(r===n.UNSIGNED_BYTE&&(o=n.RG8UI),r===n.UNSIGNED_SHORT&&(o=n.RG16UI),r===n.UNSIGNED_INT&&(o=n.RG32UI),r===n.BYTE&&(o=n.RG8I),r===n.SHORT&&(o=n.RG16I),r===n.INT&&(o=n.RG32I)),t===n.RGB){const e=i?Hr:p.getTransfer(s);r===n.FLOAT&&(o=n.RGB32F),r===n.HALF_FLOAT&&(o=n.RGB16F),r===n.UNSIGNED_BYTE&&(o=n.RGB8),r===n.UNSIGNED_SHORT&&(o=n.RGB16),r===n.UNSIGNED_INT&&(o=n.RGB32UI),r===n.BYTE&&(o=n.RGB8I),r===n.SHORT&&(o=n.RGB16I),r===n.INT&&(o=n.RGB32I),r===n.UNSIGNED_BYTE&&(o=e===g?n.SRGB8:n.RGB8),r===n.UNSIGNED_SHORT_5_6_5&&(o=n.RGB565),r===n.UNSIGNED_SHORT_5_5_5_1&&(o=n.RGB5_A1),r===n.UNSIGNED_SHORT_4_4_4_4&&(o=n.RGB4),r===n.UNSIGNED_INT_5_9_9_9_REV&&(o=n.RGB9_E5),r===n.UNSIGNED_INT_10F_11F_11F_REV&&(o=n.R11F_G11F_B10F)}if(t===n.RGB_INTEGER&&(r===n.UNSIGNED_BYTE&&(o=n.RGB8UI),r===n.UNSIGNED_SHORT&&(o=n.RGB16UI),r===n.UNSIGNED_INT&&(o=n.RGB32UI),r===n.BYTE&&(o=n.RGB8I),r===n.SHORT&&(o=n.RGB16I),r===n.INT&&(o=n.RGB32I)),t===n.RGBA){const e=i?Hr:p.getTransfer(s);r===n.FLOAT&&(o=n.RGBA32F),r===n.HALF_FLOAT&&(o=n.RGBA16F),r===n.UNSIGNED_BYTE&&(o=n.RGBA8),r===n.UNSIGNED_SHORT&&(o=n.RGBA16),r===n.UNSIGNED_INT&&(o=n.RGBA32UI),r===n.BYTE&&(o=n.RGBA8I),r===n.SHORT&&(o=n.RGBA16I),r===n.INT&&(o=n.RGBA32I),r===n.UNSIGNED_BYTE&&(o=e===g?n.SRGB8_ALPHA8:n.RGBA8),r===n.UNSIGNED_SHORT_4_4_4_4&&(o=n.RGBA4),r===n.UNSIGNED_SHORT_5_5_5_1&&(o=n.RGB5_A1)}return t===n.RGBA_INTEGER&&(r===n.UNSIGNED_BYTE&&(o=n.RGBA8UI),r===n.UNSIGNED_SHORT&&(o=n.RGBA16UI),r===n.UNSIGNED_INT&&(o=n.RGBA32UI),r===n.BYTE&&(o=n.RGBA8I),r===n.SHORT&&(o=n.RGBA16I),r===n.INT&&(o=n.RGBA32I)),t===n.DEPTH_COMPONENT&&(r===n.UNSIGNED_SHORT&&(o=n.DEPTH_COMPONENT16),r===n.UNSIGNED_INT&&(o=n.DEPTH_COMPONENT24),r===n.FLOAT&&(o=n.DEPTH_COMPONENT32F)),t===n.DEPTH_STENCIL&&r===n.UNSIGNED_INT_24_8&&(o=n.DEPTH24_STENCIL8),o!==n.R16F&&o!==n.R32F&&o!==n.RG16F&&o!==n.RG32F&&o!==n.RGBA16F&&o!==n.RGBA32F||a.get("EXT_color_buffer_float"),o}setTextureParameters(e,t){const{gl:r,extensions:s,backend:i}=this,n=p.getPrimaries(p.workingColorSpace),a=t.colorSpace===T?null:p.getPrimaries(t.colorSpace),o=t.colorSpace===T||n===a?r.NONE:r.BROWSER_DEFAULT_WEBGL;r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,t.flipY),r.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),r.pixelStorei(r.UNPACK_ALIGNMENT,t.unpackAlignment),r.pixelStorei(r.UNPACK_COLORSPACE_CONVERSION_WEBGL,o),r.texParameteri(e,r.TEXTURE_WRAP_S,vR[t.wrapS]),r.texParameteri(e,r.TEXTURE_WRAP_T,vR[t.wrapT]),e!==r.TEXTURE_3D&&e!==r.TEXTURE_2D_ARRAY||t.isArrayTexture||r.texParameteri(e,r.TEXTURE_WRAP_R,vR[t.wrapR]),r.texParameteri(e,r.TEXTURE_MAG_FILTER,NR[t.magFilter]);const u=void 0!==t.mipmaps&&t.mipmaps.length>0,l=t.minFilter===oe&&u?K:t.minFilter;if(r.texParameteri(e,r.TEXTURE_MIN_FILTER,NR[l]),t.compareFunction&&(r.texParameteri(e,r.TEXTURE_COMPARE_MODE,r.COMPARE_REF_TO_TEXTURE),r.texParameteri(e,r.TEXTURE_COMPARE_FUNC,SR[t.compareFunction])),!0===s.has("EXT_texture_filter_anisotropic")){if(t.magFilter===w)return;if(t.minFilter!==it&&t.minFilter!==K)return;if(t.type===j&&!1===s.has("OES_texture_float_linear"))return;if(t.anisotropy>1){const n=s.get("EXT_texture_filter_anisotropic");r.texParameterf(e,n.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(t.anisotropy,i.getMaxAnisotropy()))}}}createDefaultTexture(e){const{gl:t,backend:r,defaultTextures:s}=this,i=this.getGLTextureType(e);let n=s[i];void 0===n&&(n=t.createTexture(),r.state.bindTexture(i,n),t.texParameteri(i,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(i,t.TEXTURE_MAG_FILTER,t.NEAREST),s[i]=n),r.set(e,{textureGPU:n,glTextureType:i})}createTexture(e,t){const{gl:r,backend:s}=this,{levels:i,width:n,height:a,depth:o}=t,u=s.utils.convert(e.format,e.colorSpace),l=s.utils.convert(e.type),d=this.getInternalFormat(e.internalFormat,u,l,e.colorSpace,e.isVideoTexture),c=r.createTexture(),h=this.getGLTextureType(e);s.state.bindTexture(h,c),this.setTextureParameters(h,e),e.isArrayTexture||e.isDataArrayTexture||e.isCompressedArrayTexture?r.texStorage3D(r.TEXTURE_2D_ARRAY,i,d,n,a,o):e.isData3DTexture?r.texStorage3D(r.TEXTURE_3D,i,d,n,a,o):e.isVideoTexture||r.texStorage2D(h,i,d,n,a),s.set(e,{textureGPU:c,glTextureType:h,glFormat:u,glType:l,glInternalFormat:d})}copyBufferToTexture(e,t){const{gl:r,backend:s}=this,{textureGPU:i,glTextureType:n,glFormat:a,glType:o}=s.get(t),{width:u,height:l}=t.source.data;r.bindBuffer(r.PIXEL_UNPACK_BUFFER,e),s.state.bindTexture(n,i),r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,!1),r.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1),r.texSubImage2D(n,0,0,0,u,l,a,o,0),r.bindBuffer(r.PIXEL_UNPACK_BUFFER,null),s.state.unbindTexture()}updateTexture(e,t){const{gl:r}=this,{width:s,height:i}=t,{textureGPU:n,glTextureType:a,glFormat:o,glType:u,glInternalFormat:l}=this.backend.get(e);if(!e.isRenderTargetTexture&&void 0!==n)if(this.backend.state.bindTexture(a,n),this.setTextureParameters(a,e),e.isCompressedTexture){const s=e.mipmaps,i=t.image;for(let t=0;t<s.length;t++){const n=s[t];e.isCompressedArrayTexture?e.format!==r.RGBA?null!==o?r.compressedTexSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,o,n.data):d("WebGLBackend: Attempt to load unsupported compressed texture format in .uploadTexture()"):r.texSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,o,u,n.data):null!==o?r.compressedTexSubImage2D(r.TEXTURE_2D,t,0,0,n.width,n.height,o,n.data):d("WebGLBackend: Unsupported compressed texture format")}}else if(e.isCubeTexture){const n=t.images,a=e.mipmaps;for(let e=0;e<6;e++){const t=AR(n[e]);r.texSubImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,0,0,s,i,o,u,t);for(let t=0;t<a.length;t++){const s=AR(a[t].images[e]);r.texSubImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+e,t+1,0,0,s.width,s.height,o,u,s)}}}else if(e.isDataArrayTexture||e.isArrayTexture){const s=t.image;if(e.layerUpdates.size>0){const t=qr(s.width,s.height,e.format,e.type);for(const i of e.layerUpdates){const e=s.data.subarray(i*t/s.data.BYTES_PER_ELEMENT,(i+1)*t/s.data.BYTES_PER_ELEMENT);r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,i,s.width,s.height,1,o,u,e)}e.clearLayerUpdates()}else r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,0,s.width,s.height,s.depth,o,u,s.data)}else if(e.isData3DTexture){const e=t.image;r.texSubImage3D(r.TEXTURE_3D,0,0,0,0,e.width,e.height,e.depth,o,u,e.data)}else if(e.isVideoTexture)e.update(),r.texImage2D(a,0,l,o,u,t.image);else{const n=e.mipmaps;if(n.length>0)for(let e=0,t=n.length;e<t;e++){const t=n[e],s=AR(t);r.texSubImage2D(a,e,0,0,t.width,t.height,o,u,s)}else{const e=AR(t.image);r.texSubImage2D(a,0,0,0,s,i,o,u,e)}}}generateMipmaps(e){const{gl:t,backend:r}=this,{textureGPU:s,glTextureType:i}=r.get(e);r.state.bindTexture(i,s),t.generateMipmap(i)}deallocateRenderBuffers(e){const{gl:t,backend:r}=this;if(e){const s=r.get(e);if(s.renderBufferStorageSetup=void 0,s.framebuffers){for(const e in s.framebuffers)t.deleteFramebuffer(s.framebuffers[e]);delete s.framebuffers}if(s.depthRenderbuffer&&(t.deleteRenderbuffer(s.depthRenderbuffer),delete s.depthRenderbuffer),s.stencilRenderbuffer&&(t.deleteRenderbuffer(s.stencilRenderbuffer),delete s.stencilRenderbuffer),s.msaaFrameBuffer&&(t.deleteFramebuffer(s.msaaFrameBuffer),delete s.msaaFrameBuffer),s.msaaRenderbuffers){for(let e=0;e<s.msaaRenderbuffers.length;e++)t.deleteRenderbuffer(s.msaaRenderbuffers[e]);delete s.msaaRenderbuffers}}}destroyTexture(e,t=!1){const{gl:r,backend:s}=this,{textureGPU:i,renderTarget:n}=s.get(e);this.deallocateRenderBuffers(n),!1===t&&r.deleteTexture(i),s.delete(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){const{gl:a,backend:o}=this,{state:u}=this.backend,{textureGPU:l,glTextureType:d,glType:c,glFormat:h}=o.get(t);let p,g,m,f,y,b,x,T,_;u.bindTexture(d,l);const v=e.isCompressedTexture?e.mipmaps[n]:e.image;if(null!==r)p=r.max.x-r.min.x,g=r.max.y-r.min.y,m=r.isBox3?r.max.z-r.min.z:1,f=r.min.x,y=r.min.y,b=r.isBox3?r.min.z:0;else{const t=Math.pow(2,-i);p=Math.floor(v.width*t),g=Math.floor(v.height*t),m=e.isDataArrayTexture||e.isArrayTexture?v.depth:e.isData3DTexture?Math.floor(v.depth*t):1,f=0,y=0,b=0}null!==s?(x=s.x,T=s.y,_=s.z):(x=0,T=0,_=0),a.pixelStorei(a.UNPACK_FLIP_Y_WEBGL,t.flipY),a.pixelStorei(a.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),a.pixelStorei(a.UNPACK_ALIGNMENT,t.unpackAlignment);const N=a.getParameter(a.UNPACK_ROW_LENGTH),S=a.getParameter(a.UNPACK_IMAGE_HEIGHT),R=a.getParameter(a.UNPACK_SKIP_PIXELS),E=a.getParameter(a.UNPACK_SKIP_ROWS),A=a.getParameter(a.UNPACK_SKIP_IMAGES);a.pixelStorei(a.UNPACK_ROW_LENGTH,v.width),a.pixelStorei(a.UNPACK_IMAGE_HEIGHT,v.height),a.pixelStorei(a.UNPACK_SKIP_PIXELS,f),a.pixelStorei(a.UNPACK_SKIP_ROWS,y),a.pixelStorei(a.UNPACK_SKIP_IMAGES,b);const w=e.isDataArrayTexture||e.isData3DTexture||t.isArrayTexture,C=t.isDataArrayTexture||t.isData3DTexture||t.isArrayTexture;if(e.isDepthTexture){const r=o.get(e),s=o.get(t),d=o.get(r.renderTarget),c=o.get(s.renderTarget),h=d.framebuffers[r.cacheKey],v=c.framebuffers[s.cacheKey];u.bindFramebuffer(a.READ_FRAMEBUFFER,h),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,v);for(let e=0;e<m;e++)w&&(a.framebufferTextureLayer(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,r.textureGPU,i,b+e),a.framebufferTextureLayer(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,l,n,_+e)),a.blitFramebuffer(f,y,p,g,x,T,p,g,a.DEPTH_BUFFER_BIT,a.NEAREST);u.bindFramebuffer(a.READ_FRAMEBUFFER,null),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,null)}else if(0!==i||e.isRenderTargetTexture||o.has(e)){const t=o.get(e);null===this._srcFramebuffer&&(this._srcFramebuffer=a.createFramebuffer()),null===this._dstFramebuffer&&(this._dstFramebuffer=a.createFramebuffer()),u.bindFramebuffer(a.READ_FRAMEBUFFER,this._srcFramebuffer),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,this._dstFramebuffer);for(let e=0;e<m;e++)w?a.framebufferTextureLayer(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,t.textureGPU,i,b+e):a.framebufferTexture2D(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,a.TEXTURE_2D,t.textureGPU,i),C?a.framebufferTextureLayer(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,l,n,_+e):a.framebufferTexture2D(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,a.TEXTURE_2D,l,n),0!==i?a.blitFramebuffer(f,y,p,g,x,T,p,g,a.COLOR_BUFFER_BIT,a.NEAREST):C?a.copyTexSubImage3D(d,n,x,T,_+e,f,y,p,g):a.copyTexSubImage2D(d,n,x,T,f,y,p,g);u.bindFramebuffer(a.READ_FRAMEBUFFER,null),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,null)}else C?e.isDataTexture||e.isData3DTexture?a.texSubImage3D(d,n,x,T,_,p,g,m,h,c,v.data):t.isCompressedArrayTexture?a.compressedTexSubImage3D(d,n,x,T,_,p,g,m,h,v.data):a.texSubImage3D(d,n,x,T,_,p,g,m,h,c,v):e.isDataTexture?a.texSubImage2D(a.TEXTURE_2D,n,x,T,p,g,h,c,v.data):e.isCompressedTexture?a.compressedTexSubImage2D(a.TEXTURE_2D,n,x,T,v.width,v.height,h,v.data):a.texSubImage2D(a.TEXTURE_2D,n,x,T,p,g,h,c,v);a.pixelStorei(a.UNPACK_ROW_LENGTH,N),a.pixelStorei(a.UNPACK_IMAGE_HEIGHT,S),a.pixelStorei(a.UNPACK_SKIP_PIXELS,R),a.pixelStorei(a.UNPACK_SKIP_ROWS,E),a.pixelStorei(a.UNPACK_SKIP_IMAGES,A),0===n&&t.generateMipmaps&&a.generateMipmap(d),u.unbindTexture()}copyFramebufferToTexture(e,t,r){const{gl:s}=this,{state:i}=this.backend,{textureGPU:n}=this.backend.get(e),{x:a,y:o,z:u,w:l}=r,d=!0===e.isDepthTexture||t.renderTarget&&t.renderTarget.samples>0,c=t.renderTarget?t.renderTarget.height:this.backend.getDrawingBufferSize().y;if(d){const r=0!==a||0!==o;let d,h;if(!0===e.isDepthTexture?(d=s.DEPTH_BUFFER_BIT,h=s.DEPTH_ATTACHMENT,t.stencil&&(d|=s.STENCIL_BUFFER_BIT)):(d=s.COLOR_BUFFER_BIT,h=s.COLOR_ATTACHMENT0),r){const e=this.backend.get(t.renderTarget),r=e.framebuffers[t.getCacheKey()],h=e.msaaFrameBuffer;i.bindFramebuffer(s.DRAW_FRAMEBUFFER,r),i.bindFramebuffer(s.READ_FRAMEBUFFER,h);const p=c-o-l;s.blitFramebuffer(a,p,a+u,p+l,a,p,a+u,p+l,d,s.NEAREST),i.bindFramebuffer(s.READ_FRAMEBUFFER,r),i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,a,p,u,l),i.unbindTexture()}else{const e=s.createFramebuffer();i.bindFramebuffer(s.DRAW_FRAMEBUFFER,e),s.framebufferTexture2D(s.DRAW_FRAMEBUFFER,h,s.TEXTURE_2D,n,0),s.blitFramebuffer(0,0,u,l,0,0,u,l,d,s.NEAREST),s.deleteFramebuffer(e)}}else i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,a,c-l-o,u,l),i.unbindTexture();e.generateMipmaps&&this.generateMipmaps(e),this.backend._setFramebuffer(t)}setupRenderBufferStorage(e,t,r,s=!1){const{gl:i}=this,n=t.renderTarget,{depthTexture:a,depthBuffer:o,stencilBuffer:u,width:l,height:d}=n;if(i.bindRenderbuffer(i.RENDERBUFFER,e),o&&!u){let t=i.DEPTH_COMPONENT24;if(!0===s){this.extensions.get("WEBGL_multisampled_render_to_texture").renderbufferStorageMultisampleEXT(i.RENDERBUFFER,n.samples,t,l,d)}else r>0?(a&&a.isDepthTexture&&a.type===i.FLOAT&&(t=i.DEPTH_COMPONENT32F),i.renderbufferStorageMultisample(i.RENDERBUFFER,r,t,l,d)):i.renderbufferStorage(i.RENDERBUFFER,t,l,d);i.framebufferRenderbuffer(i.FRAMEBUFFER,i.DEPTH_ATTACHMENT,i.RENDERBUFFER,e)}else o&&u&&(r>0?i.renderbufferStorageMultisample(i.RENDERBUFFER,r,i.DEPTH24_STENCIL8,l,d):i.renderbufferStorage(i.RENDERBUFFER,i.DEPTH_STENCIL,l,d),i.framebufferRenderbuffer(i.FRAMEBUFFER,i.DEPTH_STENCIL_ATTACHMENT,i.RENDERBUFFER,e));i.bindRenderbuffer(i.RENDERBUFFER,null)}async copyTextureToBuffer(e,t,r,s,i,n){const{backend:a,gl:o}=this,{textureGPU:u,glFormat:l,glType:d}=this.backend.get(e),c=o.createFramebuffer();a.state.bindFramebuffer(o.READ_FRAMEBUFFER,c);const h=e.isCubeTexture?o.TEXTURE_CUBE_MAP_POSITIVE_X+n:o.TEXTURE_2D;o.framebufferTexture2D(o.READ_FRAMEBUFFER,o.COLOR_ATTACHMENT0,h,u,0);const p=this._getTypedArrayType(d),g=s*i*this._getBytesPerTexel(d,l),m=o.createBuffer();o.bindBuffer(o.PIXEL_PACK_BUFFER,m),o.bufferData(o.PIXEL_PACK_BUFFER,g,o.STREAM_READ),o.readPixels(t,r,s,i,l,d,0),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),await a.utils._clientWaitAsync();const f=new p(g/p.BYTES_PER_ELEMENT);return o.bindBuffer(o.PIXEL_PACK_BUFFER,m),o.getBufferSubData(o.PIXEL_PACK_BUFFER,0,f),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),a.state.bindFramebuffer(o.READ_FRAMEBUFFER,null),o.deleteFramebuffer(c),f}_getTypedArrayType(e){const{gl:t}=this;if(e===t.UNSIGNED_BYTE)return Uint8Array;if(e===t.UNSIGNED_SHORT_4_4_4_4)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_5_5_1)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_6_5)return Uint16Array;if(e===t.UNSIGNED_SHORT)return Uint16Array;if(e===t.UNSIGNED_INT)return Uint32Array;if(e===t.HALF_FLOAT)return Uint16Array;if(e===t.FLOAT)return Float32Array;throw new Error(`Unsupported WebGL type: ${e}`)}_getBytesPerTexel(e,t){const{gl:r}=this;let s=0;return e===r.UNSIGNED_BYTE&&(s=1),e!==r.UNSIGNED_SHORT_4_4_4_4&&e!==r.UNSIGNED_SHORT_5_5_5_1&&e!==r.UNSIGNED_SHORT_5_6_5&&e!==r.UNSIGNED_SHORT&&e!==r.HALF_FLOAT||(s=2),e!==r.UNSIGNED_INT&&e!==r.FLOAT||(s=4),t===r.RGBA?4*s:t===r.RGB?3*s:t===r.ALPHA?s:void 0}dispose(){const{gl:e}=this;null!==this._srcFramebuffer&&e.deleteFramebuffer(this._srcFramebuffer),null!==this._dstFramebuffer&&e.deleteFramebuffer(this._dstFramebuffer)}}function AR(e){return e.isDataTexture?e.image.data:"undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap||"undefined"!=typeof OffscreenCanvas&&e instanceof OffscreenCanvas?e:e.data}class wR{constructor(e){this.backend=e,this.gl=this.backend.gl,this.availableExtensions=this.gl.getSupportedExtensions(),this.extensions={}}get(e){let t=this.extensions[e];return void 0===t&&(t=this.gl.getExtension(e),this.extensions[e]=t),t}has(e){return this.availableExtensions.includes(e)}}class CR{constructor(e){this.backend=e,this.maxAnisotropy=null}getMaxAnisotropy(){if(null!==this.maxAnisotropy)return this.maxAnisotropy;const e=this.backend.gl,t=this.backend.extensions;if(!0===t.has("EXT_texture_filter_anisotropic")){const r=t.get("EXT_texture_filter_anisotropic");this.maxAnisotropy=e.getParameter(r.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else this.maxAnisotropy=0;return this.maxAnisotropy}}const MR={WEBGL_multi_draw:"WEBGL_multi_draw",WEBGL_compressed_texture_astc:"texture-compression-astc",WEBGL_compressed_texture_etc:"texture-compression-etc2",WEBGL_compressed_texture_etc1:"texture-compression-etc1",WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBGL_compressed_texture_s3tc:"texture-compression-s3tc",EXT_texture_compression_bptc:"texture-compression-bc",EXT_disjoint_timer_query_webgl2:"timestamp-query",OVR_multiview2:"OVR_multiview2"};class BR{constructor(e){this.gl=e.gl,this.extensions=e.extensions,this.info=e.renderer.info,this.mode=null,this.index=0,this.type=null,this.object=null}render(e,t){const{gl:r,mode:s,object:i,type:n,info:a,index:o}=this;0!==o?r.drawElements(s,t,n,e):r.drawArrays(s,e,t),a.update(i,t,1)}renderInstances(e,t,r){const{gl:s,mode:i,type:n,index:a,object:o,info:u}=this;0!==r&&(0!==a?s.drawElementsInstanced(i,t,n,e,r):s.drawArraysInstanced(i,e,t,r),u.update(o,t,r))}renderMultiDraw(e,t,r){const{extensions:s,mode:i,object:n,info:a}=this;if(0===r)return;const o=s.get("WEBGL_multi_draw");if(null===o)for(let s=0;s<r;s++)this.render(e[s],t[s]);else{0!==this.index?o.multiDrawElementsWEBGL(i,t,0,this.type,e,0,r):o.multiDrawArraysWEBGL(i,e,0,t,0,r);let s=0;for(let e=0;e<r;e++)s+=t[e];a.update(n,s,1)}}renderMultiDrawInstances(e,t,r,s){const{extensions:i,mode:n,object:a,info:o}=this;if(0===r)return;const u=i.get("WEBGL_multi_draw");if(null===u)for(let i=0;i<r;i++)this.renderInstances(e[i],t[i],s[i]);else{0!==this.index?u.multiDrawElementsInstancedWEBGL(n,t,0,this.type,e,0,s,0,r):u.multiDrawArraysInstancedWEBGL(n,e,0,t,0,s,0,r);let i=0;for(let e=0;e<r;e++)i+=t[e]*s[e];o.update(a,i,1)}}}class FR{constructor(e=256){this.trackTimestamp=!0,this.maxQueries=e,this.currentQueryIndex=0,this.queryOffsets=new Map,this.isDisposed=!1,this.lastValue=0,this.frames=[],this.pendingResolve=!1,this.timestamps=new Map}getTimestampFrames(){return this.frames}getTimestamp(e){let t=this.timestamps.get(e);return void 0===t&&(d(`TimestampQueryPool: No timestamp available for uid ${e}.`),t=0),t}hasTimestamp(e){return this.timestamps.has(e)}allocateQueriesForContext(){}async resolveQueriesAsync(){}dispose(){}}class LR extends FR{constructor(e,t,r=2048){if(super(r),this.gl=e,this.type=t,this.ext=e.getExtension("EXT_disjoint_timer_query_webgl2")||e.getExtension("EXT_disjoint_timer_query"),!this.ext)return d("EXT_disjoint_timer_query not supported; timestamps will be disabled."),void(this.trackTimestamp=!1);this.queries=[];for(let t=0;t<this.maxQueries;t++)this.queries.push(e.createQuery());this.activeQuery=null,this.queryStates=new Map}allocateQueriesForContext(e){if(!this.trackTimestamp)return null;if(this.currentQueryIndex+2>this.maxQueries)return v(`WebGPUTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryStates.set(t,"inactive"),this.queryOffsets.set(e,t),t}beginQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e);if(null==t)return;if(null!==this.activeQuery)return;const r=this.queries[t];if(r)try{"inactive"===this.queryStates.get(t)&&(this.gl.beginQuery(this.ext.TIME_ELAPSED_EXT,r),this.activeQuery=t,this.queryStates.set(t,"started"))}catch(e){o("Error in beginQuery:",e),this.activeQuery=null,this.queryStates.set(t,"inactive")}}endQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e);if(null!=t&&this.activeQuery===t)try{this.gl.endQuery(this.ext.TIME_ELAPSED_EXT),this.queryStates.set(t,"ended"),this.activeQuery=null}catch(e){o("Error in endQuery:",e),this.queryStates.set(t,"inactive"),this.activeQuery=null}}async resolveQueriesAsync(){if(!this.trackTimestamp||this.pendingResolve)return this.lastValue;this.pendingResolve=!0;try{const e=new Map;for(const[t,r]of this.queryOffsets){if("ended"===this.queryStates.get(r)){const s=this.queries[r];e.set(t,this.resolveQuery(s))}}if(0===e.size)return this.lastValue;const t={},r=[];for(const[s,i]of e){const e=s.match(/^(.*):f(\d+)$/),n=parseInt(e[2]);!1===r.includes(n)&&r.push(n),void 0===t[n]&&(t[n]=0);const a=await i;this.timestamps.set(s,a),t[n]+=a}const s=t[r[r.length-1]];return this.lastValue=s,this.frames=r,this.currentQueryIndex=0,this.queryOffsets.clear(),this.queryStates.clear(),this.activeQuery=null,s}catch(e){return o("Error resolving queries:",e),this.lastValue}finally{this.pendingResolve=!1}}async resolveQuery(e){return new Promise(t=>{if(this.isDisposed)return void t(this.lastValue);let r,s=!1;const i=e=>{s||(s=!0,r&&(clearTimeout(r),r=null),t(e))},n=()=>{if(this.isDisposed)i(this.lastValue);else try{if(this.gl.getParameter(this.ext.GPU_DISJOINT_EXT))return void i(this.lastValue);if(!this.gl.getQueryParameter(e,this.gl.QUERY_RESULT_AVAILABLE))return void(r=setTimeout(n,1));const s=this.gl.getQueryParameter(e,this.gl.QUERY_RESULT);t(Number(s)/1e6)}catch(e){o("Error checking query:",e),t(this.lastValue)}};n()})}dispose(){if(!this.isDisposed&&(this.isDisposed=!0,this.trackTimestamp)){for(const e of this.queries)this.gl.deleteQuery(e);this.queries=[],this.queryStates.clear(),this.queryOffsets.clear(),this.lastValue=0,this.activeQuery=null}}}class PR extends gR{constructor(e={}){super(e),this.isWebGLBackend=!0,this.attributeUtils=null,this.extensions=null,this.capabilities=null,this.textureUtils=null,this.bufferRenderer=null,this.gl=null,this.state=null,this.utils=null,this.vaoCache={},this.transformFeedbackCache={},this.discard=!1,this.disjoint=null,this.parallel=null,this._currentContext=null,this._knownBindings=new WeakSet,this._supportsInvalidateFramebuffer="undefined"!=typeof navigator&&/OculusBrowser/g.test(navigator.userAgent),this._xrFramebuffer=null}init(e){super.init(e);const t=this.parameters,r={antialias:e.currentSamples>0,alpha:!0,depth:e.depth,stencil:e.stencil},s=void 0!==t.context?t.context:e.domElement.getContext("webgl2",r);function i(t){t.preventDefault();const r={api:"WebGL",message:t.statusMessage||"Unknown reason",reason:null,originalEvent:t};e.onDeviceLost(r)}this._onContextLost=i,e.domElement.addEventListener("webglcontextlost",i,!1),this.gl=s,this.extensions=new wR(this),this.capabilities=new CR(this),this.attributeUtils=new xR(this),this.textureUtils=new ER(this),this.bufferRenderer=new BR(this),this.state=new TR(this),this.utils=new _R(this),this.extensions.get("EXT_color_buffer_float"),this.extensions.get("WEBGL_clip_cull_distance"),this.extensions.get("OES_texture_float_linear"),this.extensions.get("EXT_color_buffer_half_float"),this.extensions.get("WEBGL_multisampled_render_to_texture"),this.extensions.get("WEBGL_render_shared_exponent"),this.extensions.get("WEBGL_multi_draw"),this.extensions.get("OVR_multiview2"),this.disjoint=this.extensions.get("EXT_disjoint_timer_query_webgl2"),this.parallel=this.extensions.get("KHR_parallel_shader_compile"),this.drawBuffersIndexedExt=this.extensions.get("OES_draw_buffers_indexed")}get coordinateSystem(){return c}async getArrayBufferAsync(e){return await this.attributeUtils.getArrayBufferAsync(e)}async makeXRCompatible(){!0!==this.gl.getContextAttributes().xrCompatible&&await this.gl.makeXRCompatible()}setXRTarget(e){this._xrFramebuffer=e}setXRRenderTargetTextures(e,t,r=null){const s=this.gl;if(this.set(e.texture,{textureGPU:t,glInternalFormat:s.RGBA8}),null!==r){const t=e.stencilBuffer?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24;this.set(e.depthTexture,{textureGPU:r,glInternalFormat:t}),!0===this.extensions.has("WEBGL_multisampled_render_to_texture")&&!0===e._autoAllocateDepthBuffer&&!1===e.multiview&&d("WebGLBackend: Render-to-texture extension was disabled because an external texture was provided"),e._autoAllocateDepthBuffer=!1}}initTimestampQuery(e,t){if(!this.disjoint||!this.trackTimestamp)return;this.timestampQueryPool[e]||(this.timestampQueryPool[e]=new LR(this.gl,e,2048));const r=this.timestampQueryPool[e];null!==r.allocateQueriesForContext(t)&&r.beginQuery(t)}prepareTimestampBuffer(e,t){if(!this.disjoint||!this.trackTimestamp)return;this.timestampQueryPool[e].endQuery(t)}getContext(){return this.gl}beginRender(e){const{state:t}=this,r=this.get(e);if(e.viewport)this.updateViewport(e);else{const{width:e,height:r}=this.getDrawingBufferSize();t.viewport(0,0,e,r)}if(e.scissor)this.updateScissor(e);else{const{width:e,height:r}=this.getDrawingBufferSize();t.scissor(0,0,e,r)}this.initTimestampQuery(At.RENDER,this.getTimestampUID(e)),r.previousContext=this._currentContext,this._currentContext=e,this._setFramebuffer(e),this.clear(e.clearColor,e.clearDepth,e.clearStencil,e,!1);const s=e.occlusionQueryCount;s>0&&(r.currentOcclusionQueries=r.occlusionQueries,r.currentOcclusionQueryObjects=r.occlusionQueryObjects,r.lastOcclusionObject=null,r.occlusionQueries=new Array(s),r.occlusionQueryObjects=new Array(s),r.occlusionQueryIndex=0)}finishRender(e){const{gl:t,state:r}=this,s=this.get(e),i=s.previousContext;r.resetVertexState();const n=e.occlusionQueryCount;n>0&&(n>s.occlusionQueryIndex&&t.endQuery(t.ANY_SAMPLES_PASSED),this.resolveOccludedAsync(e));const a=e.textures;if(null!==a)for(let e=0;e<a.length;e++){const t=a[e];t.generateMipmaps&&this.generateMipmaps(t)}if(this._currentContext=i,this._resolveRenderTarget(e),null!==i){if(this._setFramebuffer(i),i.viewport)this.updateViewport(i);else{const{width:e,height:t}=this.getDrawingBufferSize();r.viewport(0,0,e,t)}if(i.scissor)this.updateScissor(i);else{const{width:e,height:t}=this.getDrawingBufferSize();r.scissor(0,0,e,t)}}this.prepareTimestampBuffer(At.RENDER,this.getTimestampUID(e))}resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueries:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet,{gl:i}=this;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueries=null;const n=()=>{let a=0;for(let t=0;t<r.length;t++){const n=r[t];null!==n&&(i.getQueryParameter(n,i.QUERY_RESULT_AVAILABLE)&&(0===i.getQueryParameter(n,i.QUERY_RESULT)&&e.add(s[t]),r[t]=null,i.deleteQuery(n),a++))}a<r.length?requestAnimationFrame(n):t.occluded=e};n()}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}updateViewport(e){const{state:t}=this,{x:r,y:s,width:i,height:n}=e.viewportValue;t.viewport(r,e.height-n-s,i,n)}updateScissor(e){const{state:t}=this,{x:r,y:s,width:i,height:n}=e.scissorValue;t.scissor(r,e.height-n-s,i,n)}setScissorTest(e){this.state.setScissorTest(e)}getClearColor(){const e=super.getClearColor();return e.r*=e.a,e.g*=e.a,e.b*=e.a,e}clear(e,t,r,s=null,i=!0,n=!0){const{gl:a,renderer:o}=this;if(null===s){s={textures:null,clearColorValue:this.getClearColor()}}let u=0;if(e&&(u|=a.COLOR_BUFFER_BIT),t&&(u|=a.DEPTH_BUFFER_BIT),r&&(u|=a.STENCIL_BUFFER_BIT),0!==u){let l;l=s.clearColorValue?s.clearColorValue:this.getClearColor();const d=o.getClearDepth(),c=o.getClearStencil();if(t&&this.state.setDepthMask(!0),null===s.textures)a.clearColor(l.r,l.g,l.b,l.a),a.clear(u);else{if(i&&this._setFramebuffer(s),e)for(let e=0;e<s.textures.length;e++)0===e?a.clearBufferfv(a.COLOR,e,[l.r,l.g,l.b,l.a]):a.clearBufferfv(a.COLOR,e,[0,0,0,1]);t&&r?a.clearBufferfi(a.DEPTH_STENCIL,0,d,c):t?a.clearBufferfv(a.DEPTH,0,[d]):r&&a.clearBufferiv(a.STENCIL,0,[c]),i&&n&&this._resolveRenderTarget(s)}}}beginCompute(e){const{state:t,gl:r}=this;t.bindFramebuffer(r.FRAMEBUFFER,null),this.initTimestampQuery(At.COMPUTE,this.getTimestampUID(e))}compute(e,t,r,s,i=null){const{state:n,gl:a}=this;!1===this.discard&&(n.enable(a.RASTERIZER_DISCARD),this.discard=!0);const{programGPU:o,transformBuffers:u,attributes:l}=this.get(s),d=this._getVaoKey(l),c=this.vaoCache[d];void 0===c?this.vaoCache[d]=this._createVao(l):n.setVertexState(c),n.useProgram(o),this._bindUniforms(r);const h=this._getTransformFeedback(u);a.bindTransformFeedback(a.TRANSFORM_FEEDBACK,h),a.beginTransformFeedback(a.POINTS),i=null!==i?i:t.count,Array.isArray(i)?(v("WebGLBackend.compute(): The count parameter must be a single number, not an array."),i=i[0]):i&&"object"==typeof i&&i.isIndirectStorageBufferAttribute&&(v("WebGLBackend.compute(): The count parameter must be a single number, not IndirectStorageBufferAttribute"),i=t.count),l[0].isStorageInstancedBufferAttribute?a.drawArraysInstanced(a.POINTS,0,1,i):a.drawArrays(a.POINTS,0,i),a.endTransformFeedback(),a.bindTransformFeedback(a.TRANSFORM_FEEDBACK,null);for(let e=0;e<u.length;e++){const t=u[e];t.pbo&&this.has(t.pbo)&&this.textureUtils.copyBufferToTexture(t.transformBuffer,t.pbo),t.switchBuffers()}}finishCompute(e){const{state:t,gl:r}=this;this.discard=!1,t.disable(r.RASTERIZER_DISCARD),this.prepareTimestampBuffer(At.COMPUTE,this.getTimestampUID(e)),this._currentContext&&this._setFramebuffer(this._currentContext)}_isRenderCameraDepthArray(e){return e.depthTexture&&e.depthTexture.isArrayTexture&&e.camera.isArrayCamera}draw(e){const{object:t,pipeline:r,material:s,context:i,hardwareClippingPlanes:n}=e,{programGPU:a}=this.get(r),{gl:o,state:u}=this,l=this.get(i),d=e.getDrawParameters();if(null===d)return;this._bindUniforms(e.getBindings());const c=t.isMesh&&t.matrixWorld.determinant()<0;u.setMaterial(s,c,n),null!==i.mrt&&null!==i.textures&&u.setMRTBlending(i.textures,i.mrt,s),u.useProgram(a);const h=e.getAttributes(),p=this.get(h);let g=p.vaoGPU;if(void 0===g){const e=this._getVaoKey(h);g=this.vaoCache[e],void 0===g&&(g=this._createVao(h),this.vaoCache[e]=g,p.vaoGPU=g)}const m=e.getIndex(),f=null!==m?this.get(m).bufferGPU:null;u.setVertexState(g,f);const y=l.lastOcclusionObject;if(y!==t&&void 0!==y){if(null!==y&&!0===y.occlusionTest&&(o.endQuery(o.ANY_SAMPLES_PASSED),l.occlusionQueryIndex++),!0===t.occlusionTest){const e=o.createQuery();o.beginQuery(o.ANY_SAMPLES_PASSED,e),l.occlusionQueries[l.occlusionQueryIndex]=e,l.occlusionQueryObjects[l.occlusionQueryIndex]=t}l.lastOcclusionObject=t}const b=this.bufferRenderer;t.isPoints?b.mode=o.POINTS:t.isLineSegments?b.mode=o.LINES:t.isLine?b.mode=o.LINE_STRIP:t.isLineLoop?b.mode=o.LINE_LOOP:!0===s.wireframe?(u.setLineWidth(s.wireframeLinewidth*this.renderer.getPixelRatio()),b.mode=o.LINES):b.mode=o.TRIANGLES;const{vertexCount:x,instanceCount:T}=d;let{firstVertex:_}=d;if(b.object=t,null!==m){_*=m.array.BYTES_PER_ELEMENT;const e=this.get(m);b.index=m.count,b.type=e.type}else b.index=0;const N=()=>{t.isBatchedMesh?null!==t._multiDrawInstances?(v("WebGLBackend: renderMultiDrawInstances has been deprecated and will be removed in r184. Append to renderMultiDraw arguments and use indirection."),b.renderMultiDrawInstances(t._multiDrawStarts,t._multiDrawCounts,t._multiDrawCount,t._multiDrawInstances)):this.hasFeature("WEBGL_multi_draw")?b.renderMultiDraw(t._multiDrawStarts,t._multiDrawCounts,t._multiDrawCount):v("WebGLBackend: WEBGL_multi_draw not supported."):T>1?b.renderInstances(_,x,T):b.render(_,x)};if(!0===e.camera.isArrayCamera&&e.camera.cameras.length>0&&!1===e.camera.isMultiViewCamera){const r=this.get(e.camera),s=e.camera.cameras,i=e.getBindingGroup("cameraIndex").bindings[0];if(void 0===r.indexesGPU||r.indexesGPU.length!==s.length){const e=new Uint32Array([0,0,0,0]),t=[];for(let r=0,i=s.length;r<i;r++){const s=o.createBuffer();e[0]=r,o.bindBuffer(o.UNIFORM_BUFFER,s),o.bufferData(o.UNIFORM_BUFFER,e,o.STATIC_DRAW),t.push(s)}r.indexesGPU=t}const n=this.get(i),a=this.renderer.getPixelRatio(),l=this._currentContext.renderTarget,d=this._isRenderCameraDepthArray(this._currentContext),c=this._currentContext.activeCubeFace;if(d){const e=this.get(l.depthTexture);if(e.clearedRenderId!==this.renderer._nodes.nodeFrame.renderId){e.clearedRenderId=this.renderer._nodes.nodeFrame.renderId;const{stencilBuffer:t}=l;for(let e=0,r=s.length;e<r;e++)this.renderer._activeCubeFace=e,this._currentContext.activeCubeFace=e,this._setFramebuffer(this._currentContext),this.clear(!1,!0,t,this._currentContext,!1,!1);this.renderer._activeCubeFace=c,this._currentContext.activeCubeFace=c}}for(let i=0,l=s.length;i<l;i++){const l=s[i];if(t.layers.test(l.layers)){d&&(this.renderer._activeCubeFace=i,this._currentContext.activeCubeFace=i,this._setFramebuffer(this._currentContext));const t=l.viewport;if(void 0!==t){const r=t.x*a,s=t.y*a,i=t.width*a,n=t.height*a;u.viewport(Math.floor(r),Math.floor(e.context.height-n-s),Math.floor(i),Math.floor(n))}u.bindBufferBase(o.UNIFORM_BUFFER,n.index,r.indexesGPU[i]),N()}this._currentContext.activeCubeFace=c,this.renderer._activeCubeFace=c}}else N()}needsRenderUpdate(){return!1}getRenderCacheKey(){return""}createDefaultTexture(e){this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e,t=!1){this.textureUtils.destroyTexture(e,t)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}updateSampler(){return""}createNodeBuilder(e,t){return new cR(e,t)}createProgram(e){const t=this.gl,{stage:r,code:s}=e,i="fragment"===r?t.createShader(t.FRAGMENT_SHADER):t.createShader(t.VERTEX_SHADER);t.shaderSource(i,s),t.compileShader(i),this.set(e,{shaderGPU:i})}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){const r=this.gl,s=e.pipeline,{fragmentProgram:i,vertexProgram:n}=s,a=r.createProgram(),o=this.get(i).shaderGPU,u=this.get(n).shaderGPU;if(r.attachShader(a,o),r.attachShader(a,u),r.linkProgram(a),this.set(s,{programGPU:a,fragmentShader:o,vertexShader:u}),null!==t&&this.parallel){const i=new Promise(t=>{const i=this.parallel,n=()=>{r.getProgramParameter(a,i.COMPLETION_STATUS_KHR)?(this._completeCompile(e,s),t()):requestAnimationFrame(n)};n()});return void t.push(i)}this._completeCompile(e,s)}_handleSource(e,t){const r=e.split("\n"),s=[],i=Math.max(t-6,0),n=Math.min(t+6,r.length);for(let e=i;e<n;e++){const i=e+1;s.push(`${i===t?">":" "} ${i}: ${r[e]}`)}return s.join("\n")}_getShaderErrors(e,t,r){const s=e.getShaderParameter(t,e.COMPILE_STATUS),i=(e.getShaderInfoLog(t)||"").trim();if(s&&""===i)return"";const n=/ERROR: 0:(\d+)/.exec(i);if(n){const s=parseInt(n[1]);return r.toUpperCase()+"\n\n"+i+"\n\n"+this._handleSource(e.getShaderSource(t),s)}return i}_logProgramError(e,t,r){if(this.renderer.debug.checkShaderErrors){const s=this.gl,i=(s.getProgramInfoLog(e)||"").trim();if(!1===s.getProgramParameter(e,s.LINK_STATUS))if("function"==typeof this.renderer.debug.onShaderError)this.renderer.debug.onShaderError(s,e,r,t);else{const n=this._getShaderErrors(s,r,"vertex"),a=this._getShaderErrors(s,t,"fragment");o("THREE.WebGLProgram: Shader Error "+s.getError()+" - VALIDATE_STATUS "+s.getProgramParameter(e,s.VALIDATE_STATUS)+"\n\nProgram Info Log: "+i+"\n"+n+"\n"+a)}else""!==i&&d("WebGLProgram: Program Info Log:",i)}}_completeCompile(e,t){const{state:r,gl:s}=this,i=this.get(t),{programGPU:n,fragmentShader:a,vertexShader:o}=i;!1===s.getProgramParameter(n,s.LINK_STATUS)&&this._logProgramError(n,a,o),r.useProgram(n);const u=e.getBindings();this._setupBindings(u,n),this.set(t,{programGPU:n})}createComputePipeline(e,t){const{state:r,gl:s}=this,i={stage:"fragment",code:"#version 300 es\nprecision highp float;\nvoid main() {}"};this.createProgram(i);const{computeProgram:n}=e,a=s.createProgram(),o=this.get(i).shaderGPU,u=this.get(n).shaderGPU,l=n.transforms,d=[],c=[];for(let e=0;e<l.length;e++){const t=l[e];d.push(t.varyingName),c.push(t.attributeNode)}s.attachShader(a,o),s.attachShader(a,u),s.transformFeedbackVaryings(a,d,s.SEPARATE_ATTRIBS),s.linkProgram(a),!1===s.getProgramParameter(a,s.LINK_STATUS)&&this._logProgramError(a,o,u),r.useProgram(a),this._setupBindings(t,a);const h=n.attributes,p=[],g=[];for(let e=0;e<h.length;e++){const t=h[e].node.attribute;p.push(t),this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER)}for(let e=0;e<c.length;e++){const t=c[e].attribute;this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER);const r=this.get(t);g.push(r)}this.set(e,{programGPU:a,transformBuffers:g,attributes:p})}createBindings(e,t){if(!1===this._knownBindings.has(t)){this._knownBindings.add(t);let e=0,r=0;for(const s of t){this.set(s,{textures:r,uniformBuffers:e});for(const t of s.bindings)t.isUniformBuffer&&e++,t.isSampledTexture&&r++}}this.updateBindings(e,t)}updateBindings(e){const{gl:t}=this,r=this.get(e);let s=r.uniformBuffers,i=r.textures;for(const r of e.bindings){const e=this.get(r);if(r.isUniformsGroup||r.isUniformBuffer){const i=r.buffer;let{bufferGPU:n}=this.get(i);void 0===n?(n=t.createBuffer(),t.bindBuffer(t.UNIFORM_BUFFER,n),t.bufferData(t.UNIFORM_BUFFER,i.byteLength,t.DYNAMIC_DRAW),this.set(i,{bufferGPU:n})):t.bindBuffer(t.UNIFORM_BUFFER,n);const a=r.updateRanges;if(t.bindBuffer(t.UNIFORM_BUFFER,n),0===a.length)t.bufferData(t.UNIFORM_BUFFER,i,t.DYNAMIC_DRAW);else{const e=jr(i),r=e?1:i.BYTES_PER_ELEMENT;for(let s=0,n=a.length;s<n;s++){const n=a[s],o=n.start*r,u=n.count*r,l=o*(e?i.BYTES_PER_ELEMENT:1);t.bufferSubData(t.UNIFORM_BUFFER,l,i,o,u)}}e.index=s++,e.bufferGPU=n,this.set(r,e)}else if(r.isSampledTexture){const{textureGPU:t,glTextureType:s}=this.get(r.texture);e.index=i++,e.textureGPU=t,e.glTextureType=s,this.set(r,e)}}}updateBinding(e){const t=this.gl;if(e.isUniformsGroup||e.isUniformBuffer){const r=this.get(e).bufferGPU,s=e.buffer,i=e.updateRanges;if(t.bindBuffer(t.UNIFORM_BUFFER,r),0===i.length)t.bufferData(t.UNIFORM_BUFFER,s,t.DYNAMIC_DRAW);else{const e=jr(s),r=e?1:s.BYTES_PER_ELEMENT;for(let n=0,a=i.length;n<a;n++){const a=i[n],o=a.start*r,u=a.count*r,l=o*(e?s.BYTES_PER_ELEMENT:1);t.bufferSubData(t.UNIFORM_BUFFER,l,s,o,u)}}}}createIndexAttribute(e){const t=this.gl;this.attributeUtils.createAttribute(e,t.ELEMENT_ARRAY_BUFFER)}createAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}createStorageAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}hasFeature(e){const t=Object.keys(MR).filter(t=>MR[t]===e),r=this.extensions;for(let e=0;e<t.length;e++)if(r.has(t[e]))return!0;return!1}getMaxAnisotropy(){return this.capabilities.getMaxAnisotropy()}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){this.textureUtils.copyTextureToTexture(e,t,r,s,i,n)}copyFramebufferToTexture(e,t,r){this.textureUtils.copyFramebufferToTexture(e,t,r)}hasCompatibility(e){return e===E.TEXTURE_COMPARE||super.hasCompatibility(e)}initRenderTarget(e){const{gl:t,state:r}=this;this._setFramebuffer(e),r.bindFramebuffer(t.FRAMEBUFFER,null)}_setFramebuffer(e){const{gl:t,state:r}=this;let s=null;if(null!==e.textures){const i=e.renderTarget,n=this.get(i),{samples:a,depthBuffer:o,stencilBuffer:u}=i,l=!0===i.isCubeRenderTarget,d=!0===i.isRenderTarget3D,c=i.depth>1,h=!0===i.isXRRenderTarget,p=!0===h&&!0===i._hasExternalTextures;let g=n.msaaFrameBuffer,m=n.depthRenderbuffer;const f=this.extensions.get("WEBGL_multisampled_render_to_texture"),y=this.extensions.get("OVR_multiview2"),b=this._useMultisampledExtension(i),x=Wy(e);let T;if(l?(n.cubeFramebuffers||(n.cubeFramebuffers={}),T=n.cubeFramebuffers[x]):h&&!1===p?T=this._xrFramebuffer:(n.framebuffers||(n.framebuffers={}),T=n.framebuffers[x]),void 0===T){T=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,T);const s=e.textures,o=[];if(l){n.cubeFramebuffers[x]=T;const{textureGPU:e}=this.get(s[0]),r=this.renderer._activeCubeFace,i=this.renderer._activeMipmapLevel;t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_CUBE_MAP_POSITIVE_X+r,e,i)}else{n.framebuffers[x]=T;for(let r=0;r<s.length;r++){const n=s[r],o=this.get(n);o.renderTarget=e.renderTarget,o.cacheKey=x;const u=t.COLOR_ATTACHMENT0+r;if(i.multiview)y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,u,o.textureGPU,0,a,0,2);else if(d||c){const e=this.renderer._activeCubeFace,r=this.renderer._activeMipmapLevel;t.framebufferTextureLayer(t.FRAMEBUFFER,u,o.textureGPU,r,e)}else if(b)f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,u,t.TEXTURE_2D,o.textureGPU,0,a);else{const e=this.renderer._activeMipmapLevel;t.framebufferTexture2D(t.FRAMEBUFFER,u,t.TEXTURE_2D,o.textureGPU,e)}}}const h=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;if(!0===i._autoAllocateDepthBuffer){const r=t.createRenderbuffer();this.textureUtils.setupRenderBufferStorage(r,e,0,b),n.xrDepthRenderbuffer=r,o.push(u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT),t.bindRenderbuffer(t.RENDERBUFFER,r),t.framebufferRenderbuffer(t.FRAMEBUFFER,h,t.RENDERBUFFER,r)}else if(null!==e.depthTexture){o.push(u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT);const r=this.get(e.depthTexture);if(r.renderTarget=e.renderTarget,r.cacheKey=x,i.multiview)y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,h,r.textureGPU,0,a,0,2);else if(p&&b)f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,h,t.TEXTURE_2D,r.textureGPU,0,a);else if(e.depthTexture.isArrayTexture){const e=this.renderer._activeCubeFace;t.framebufferTextureLayer(t.FRAMEBUFFER,h,r.textureGPU,0,e)}else if(e.depthTexture.isCubeTexture){const e=this.renderer._activeCubeFace;t.framebufferTexture2D(t.FRAMEBUFFER,h,t.TEXTURE_CUBE_MAP_POSITIVE_X+e,r.textureGPU,0)}else t.framebufferTexture2D(t.FRAMEBUFFER,h,t.TEXTURE_2D,r.textureGPU,0)}n.depthInvalidationArray=o}else{if(this._isRenderCameraDepthArray(e)){r.bindFramebuffer(t.FRAMEBUFFER,T);const s=this.renderer._activeCubeFace,i=this.get(e.depthTexture),n=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;t.framebufferTextureLayer(t.FRAMEBUFFER,n,i.textureGPU,0,s)}if((h||b||i.multiview)&&!0!==i._isOpaqueFramebuffer){r.bindFramebuffer(t.FRAMEBUFFER,T);const s=this.get(e.textures[0]);i.multiview?y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,s.textureGPU,0,a,0,2):b?f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,s.textureGPU,0,a):t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,s.textureGPU,0);const o=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;if(!0===i._autoAllocateDepthBuffer){const e=n.xrDepthRenderbuffer;t.bindRenderbuffer(t.RENDERBUFFER,e),t.framebufferRenderbuffer(t.FRAMEBUFFER,o,t.RENDERBUFFER,e)}else{const r=this.get(e.depthTexture);i.multiview?y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,o,r.textureGPU,0,a,0,2):b?f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,o,t.TEXTURE_2D,r.textureGPU,0,a):t.framebufferTexture2D(t.FRAMEBUFFER,o,t.TEXTURE_2D,r.textureGPU,0)}}}if(a>0&&!1===b&&!i.multiview){if(void 0===g){const s=[];g=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,g);const i=[],l=e.textures;for(let r=0;r<l.length;r++){i[r]=t.createRenderbuffer(),t.bindRenderbuffer(t.RENDERBUFFER,i[r]),s.push(t.COLOR_ATTACHMENT0+r);const n=e.textures[r],o=this.get(n);t.renderbufferStorageMultisample(t.RENDERBUFFER,a,o.glInternalFormat,e.width,e.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+r,t.RENDERBUFFER,i[r])}if(t.bindRenderbuffer(t.RENDERBUFFER,null),n.msaaFrameBuffer=g,n.msaaRenderbuffers=i,o&&void 0===m){m=t.createRenderbuffer(),this.textureUtils.setupRenderBufferStorage(m,e,a),n.depthRenderbuffer=m;const r=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;s.push(r)}n.invalidationArray=s}s=n.msaaFrameBuffer}else s=T;r.drawBuffers(e,T)}r.bindFramebuffer(t.FRAMEBUFFER,s)}_getVaoKey(e){let t="";for(let r=0;r<e.length;r++){t+=":"+this.get(e[r]).id}return t}_createVao(e){const{gl:t}=this,r=t.createVertexArray();t.bindVertexArray(r);for(let r=0;r<e.length;r++){const s=e[r],i=this.get(s);let n,a;t.bindBuffer(t.ARRAY_BUFFER,i.bufferGPU),t.enableVertexAttribArray(r),!0===s.isInterleavedBufferAttribute?(n=s.data.stride*i.bytesPerElement,a=s.offset*i.bytesPerElement):(n=0,a=0),i.isInteger?t.vertexAttribIPointer(r,s.itemSize,i.type,n,a):t.vertexAttribPointer(r,s.itemSize,i.type,s.normalized,n,a),s.isInstancedBufferAttribute&&!s.isInterleavedBufferAttribute?t.vertexAttribDivisor(r,s.meshPerAttribute):s.isInterleavedBufferAttribute&&s.data.isInstancedInterleavedBuffer&&t.vertexAttribDivisor(r,s.data.meshPerAttribute)}return t.bindBuffer(t.ARRAY_BUFFER,null),r}_getTransformFeedback(e){let t="";for(let r=0;r<e.length;r++)t+=":"+e[r].id;let r=this.transformFeedbackCache[t];if(void 0!==r)return r;const{gl:s}=this;r=s.createTransformFeedback(),s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,r);for(let t=0;t<e.length;t++){const r=e[t];s.bindBufferBase(s.TRANSFORM_FEEDBACK_BUFFER,t,r.transformBuffer)}return s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,null),this.transformFeedbackCache[t]=r,r}_setupBindings(e,t){const r=this.gl;for(const s of e)for(const e of s.bindings){const s=this.get(e).index;if(e.isUniformsGroup||e.isUniformBuffer){const i=r.getUniformBlockIndex(t,e.name);r.uniformBlockBinding(t,i,s)}else if(e.isSampledTexture){const i=r.getUniformLocation(t,e.name);r.uniform1i(i,s)}}}_bindUniforms(e){const{gl:t,state:r}=this;for(const s of e)for(const e of s.bindings){const s=this.get(e),i=s.index;e.isUniformsGroup||e.isUniformBuffer?r.bindBufferBase(t.UNIFORM_BUFFER,i,s.bufferGPU):e.isSampledTexture&&r.bindTexture(s.glTextureType,s.textureGPU,t.TEXTURE0+i)}}_resolveRenderTarget(e){const{gl:t,state:r}=this,s=e.renderTarget;if(null!==e.textures&&s){const i=this.get(s);if(s.samples>0&&!1===this._useMultisampledExtension(s)){const n=i.framebuffers[e.getCacheKey()];let a=t.COLOR_BUFFER_BIT;s.resolveDepthBuffer&&(s.depthBuffer&&(a|=t.DEPTH_BUFFER_BIT),s.stencilBuffer&&s.resolveStencilBuffer&&(a|=t.STENCIL_BUFFER_BIT));const o=i.msaaFrameBuffer,u=i.msaaRenderbuffers,l=e.textures,d=l.length>1;if(r.bindFramebuffer(t.READ_FRAMEBUFFER,o),r.bindFramebuffer(t.DRAW_FRAMEBUFFER,n),d)for(let e=0;e<l.length;e++)t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,null),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,null,0);for(let r=0;r<l.length;r++){if(d){const{textureGPU:e}=this.get(l[r]);t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.RENDERBUFFER,u[r]),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,e,0)}if(e.scissor){const{x:r,y:s,width:i,height:n}=e.scissorValue,o=e.height-n-s;t.blitFramebuffer(r,o,r+i,o+n,r,o,r+i,o+n,a,t.NEAREST)}else t.blitFramebuffer(0,0,e.width,e.height,0,0,e.width,e.height,a,t.NEAREST)}if(d)for(let e=0;e<l.length;e++){const{textureGPU:r}=this.get(l[e]);t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,u[e]),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,r,0)}!0===this._supportsInvalidateFramebuffer&&t.invalidateFramebuffer(t.READ_FRAMEBUFFER,i.invalidationArray)}else if(!1===s.resolveDepthBuffer&&i.framebuffers){const s=i.framebuffers[e.getCacheKey()];r.bindFramebuffer(t.DRAW_FRAMEBUFFER,s),t.invalidateFramebuffer(t.DRAW_FRAMEBUFFER,i.depthInvalidationArray)}}}_useMultisampledExtension(e){return!0===e.multiview||e.samples>0&&!0===this.extensions.has("WEBGL_multisampled_render_to_texture")&&!1!==e._autoAllocateDepthBuffer}dispose(){null!==this.textureUtils&&this.textureUtils.dispose();const e=this.extensions.get("WEBGL_lose_context");e&&e.loseContext(),this.renderer.domElement.removeEventListener("webglcontextlost",this._onContextLost)}}const DR="point-list",UR="line-list",IR="line-strip",OR="triangle-list",VR="undefined"!=typeof self&&self.GPUShaderStage?self.GPUShaderStage:{VERTEX:1,FRAGMENT:2,COMPUTE:4},kR="never",GR="less",zR="equal",$R="less-equal",WR="greater",HR="not-equal",qR="greater-equal",jR="always",XR="store",KR="load",YR="clear",QR="ccw",ZR="cw",JR="none",eE="back",tE="uint16",rE="uint32",sE="r8unorm",iE="r8snorm",nE="r8uint",aE="r8sint",oE="r16uint",uE="r16sint",lE="r16float",dE="rg8unorm",cE="rg8snorm",hE="rg8uint",pE="rg8sint",gE="r32uint",mE="r32sint",fE="r32float",yE="rg16uint",bE="rg16sint",xE="rg16float",TE="rgba8unorm",_E="rgba8unorm-srgb",vE="rgba8snorm",NE="rgba8uint",SE="rgba8sint",RE="bgra8unorm",EE="bgra8unorm-srgb",AE="rgb9e5ufloat",wE="rgb10a2unorm",CE="rg11b10ufloat",ME="rg32uint",BE="rg32sint",FE="rg32float",LE="rgba16uint",PE="rgba16sint",DE="rgba16float",UE="rgba32uint",IE="rgba32sint",OE="rgba32float",VE="depth16unorm",kE="depth24plus",GE="depth24plus-stencil8",zE="depth32float",$E="depth32float-stencil8",WE="bc1-rgba-unorm",HE="bc1-rgba-unorm-srgb",qE="bc2-rgba-unorm",jE="bc2-rgba-unorm-srgb",XE="bc3-rgba-unorm",KE="bc3-rgba-unorm-srgb",YE="bc4-r-unorm",QE="bc4-r-snorm",ZE="bc5-rg-unorm",JE="bc5-rg-snorm",eA="bc6h-rgb-ufloat",tA="bc6h-rgb-float",rA="bc7-rgba-unorm",sA="bc7-rgba-unorm-srgb",iA="etc2-rgb8unorm",nA="etc2-rgb8unorm-srgb",aA="etc2-rgb8a1unorm",oA="etc2-rgb8a1unorm-srgb",uA="etc2-rgba8unorm",lA="etc2-rgba8unorm-srgb",dA="eac-r11unorm",cA="eac-r11snorm",hA="eac-rg11unorm",pA="eac-rg11snorm",gA="astc-4x4-unorm",mA="astc-4x4-unorm-srgb",fA="astc-5x4-unorm",yA="astc-5x4-unorm-srgb",bA="astc-5x5-unorm",xA="astc-5x5-unorm-srgb",TA="astc-6x5-unorm",_A="astc-6x5-unorm-srgb",vA="astc-6x6-unorm",NA="astc-6x6-unorm-srgb",SA="astc-8x5-unorm",RA="astc-8x5-unorm-srgb",EA="astc-8x6-unorm",AA="astc-8x6-unorm-srgb",wA="astc-8x8-unorm",CA="astc-8x8-unorm-srgb",MA="astc-10x5-unorm",BA="astc-10x5-unorm-srgb",FA="astc-10x6-unorm",LA="astc-10x6-unorm-srgb",PA="astc-10x8-unorm",DA="astc-10x8-unorm-srgb",UA="astc-10x10-unorm",IA="astc-10x10-unorm-srgb",OA="astc-12x10-unorm",VA="astc-12x10-unorm-srgb",kA="astc-12x12-unorm",GA="astc-12x12-unorm-srgb",zA="clamp-to-edge",$A="repeat",WA="mirror-repeat",HA="linear",qA="nearest",jA="zero",XA="one",KA="src",YA="one-minus-src",QA="src-alpha",ZA="one-minus-src-alpha",JA="dst",ew="one-minus-dst",tw="dst-alpha",rw="one-minus-dst-alpha",sw="src-alpha-saturated",iw="constant",nw="one-minus-constant",aw="add",ow="subtract",uw="reverse-subtract",lw="min",dw="max",cw=0,hw=15,pw="keep",gw="zero",mw="replace",fw="invert",yw="increment-clamp",bw="decrement-clamp",xw="increment-wrap",Tw="decrement-wrap",_w="storage",vw="read-only-storage",Nw="write-only",Sw="read-only",Rw="read-write",Ew="non-filtering",Aw="comparison",ww="float",Cw="unfilterable-float",Mw="depth",Bw="sint",Fw="uint",Lw="2d",Pw="3d",Dw="2d",Uw="2d-array",Iw="cube",Ow="3d",Vw="all",kw="vertex",Gw="instance",zw={CoreFeaturesAndLimits:"core-features-and-limits",DepthClipControl:"depth-clip-control",Depth32FloatStencil8:"depth32float-stencil8",TextureCompressionBC:"texture-compression-bc",TextureCompressionBCSliced3D:"texture-compression-bc-sliced-3d",TextureCompressionETC2:"texture-compression-etc2",TextureCompressionASTC:"texture-compression-astc",TextureCompressionASTCSliced3D:"texture-compression-astc-sliced-3d",TimestampQuery:"timestamp-query",IndirectFirstInstance:"indirect-first-instance",ShaderF16:"shader-f16",RG11B10UFloat:"rg11b10ufloat-renderable",BGRA8UNormStorage:"bgra8unorm-storage",Float32Filterable:"float32-filterable",Float32Blendable:"float32-blendable",ClipDistances:"clip-distances",DualSourceBlending:"dual-source-blending",Subgroups:"subgroups",TextureFormatsTier1:"texture-formats-tier1",TextureFormatsTier2:"texture-formats-tier2"},$w={"texture-compression-s3tc":"texture-compression-bc","texture-compression-etc1":"texture-compression-etc2"};class Ww extends ZS{constructor(e,t,r){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update()}}class Hw extends HS{constructor(e,t){super(e,t?t.array:null),this._attribute=t,this.isStorageBuffer=!0}get attribute(){return this._attribute}}let qw=0;class jw extends Hw{constructor(e,t){super("StorageBuffer_"+qw++,e?e.value:null),this.nodeUniform=e,this.access=e?e.access:ti.READ_WRITE,this.groupNode=t}get attribute(){return this.nodeUniform.value}get buffer(){return this.nodeUniform.value.array}}class Xw extends yy{constructor(e){super(),this.device=e;this.mipmapSampler=e.createSampler({minFilter:HA}),this.flipYSampler=e.createSampler({minFilter:qA}),this.flipUniformBuffer=e.createBuffer({size:4,usage:GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST}),e.queue.writeBuffer(this.flipUniformBuffer,0,new Uint32Array([1])),this.noFlipUniformBuffer=e.createBuffer({size:4,usage:GPUBufferUsage.UNIFORM}),this.transferPipelines={},this.mipmapShaderModule=e.createShaderModule({label:"mipmap",code:"\nstruct VarysStruct {\n\t@builtin( position ) Position: vec4f,\n\t@location( 0 ) vTex : vec2f,\n\t@location( 1 ) @interpolate(flat, either) vBaseArrayLayer: u32,\n};\n\n@group( 0 ) @binding ( 2 )\nvar<uniform> flipY: u32;\n\n@vertex\nfn mainVS(\n\t\t@builtin( vertex_index ) vertexIndex : u32,\n\t\t@builtin( instance_index ) instanceIndex : u32 ) -> VarysStruct {\n\n\tvar Varys : VarysStruct;\n\n\tvar pos = array(\n\t\tvec2f( -1, -1 ),\n\t\tvec2f( -1,  3 ),\n\t\tvec2f(  3, -1 ),\n\t);\n\n\tlet p = pos[ vertexIndex ];\n\tlet mult = select( vec2f( 0.5, -0.5 ), vec2f( 0.5, 0.5 ), flipY != 0 );\n\tVarys.vTex = p * mult + vec2f( 0.5 );\n\tVarys.Position = vec4f( p, 0, 1 );\n\tVarys.vBaseArrayLayer = instanceIndex;\n\n\treturn Varys;\n\n}\n\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img2d : texture_2d<f32>;\n\n@fragment\nfn main_2d( Varys: VarysStruct ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img2d, imgSampler, Varys.vTex );\n\n}\n\n@group( 0 ) @binding( 1 )\nvar img2dArray : texture_2d_array<f32>;\n\n@fragment\nfn main_2d_array( Varys: VarysStruct ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img2dArray, imgSampler, Varys.vTex, Varys.vBaseArrayLayer );\n\n}\n\nconst faceMat = array(\n  mat3x3f(  0,  0,  -2,  0, -2,   0,  1,  1,   1 ),   // pos-x\n  mat3x3f(  0,  0,   2,  0, -2,   0, -1,  1,  -1 ),   // neg-x\n  mat3x3f(  2,  0,   0,  0,  0,   2, -1,  1,  -1 ),   // pos-y\n  mat3x3f(  2,  0,   0,  0,  0,  -2, -1, -1,   1 ),   // neg-y\n  mat3x3f(  2,  0,   0,  0, -2,   0, -1,  1,   1 ),   // pos-z\n  mat3x3f( -2,  0,   0,  0, -2,   0,  1,  1,  -1 ),   // neg-z\n);\n\n@group( 0 ) @binding( 1 )\nvar imgCube : texture_cube<f32>;\n\n@fragment\nfn main_cube( Varys: VarysStruct ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( imgCube, imgSampler, faceMat[ Varys.vBaseArrayLayer ] * vec3f( fract( Varys.vTex ), 1 ) );\n\n}\n"})}getTransferPipeline(e,t){const r=`${e}-${t=t||"2d-array"}`;let s=this.transferPipelines[r];return void 0===s&&(s=this.device.createRenderPipeline({label:`mipmap-${e}-${t}`,vertex:{module:this.mipmapShaderModule},fragment:{module:this.mipmapShaderModule,entryPoint:`main_${t.replace("-","_")}`,targets:[{format:e}]},layout:"auto"}),this.transferPipelines[r]=s),s}flipY(e,t,r=0){const s=t.format,{width:i,height:n}=t.size,a=this.device.createTexture({size:{width:i,height:n},format:s,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING}),o=this.getTransferPipeline(s,e.textureBindingViewDimension),u=this.getTransferPipeline(s,a.textureBindingViewDimension),l=this.device.createCommandEncoder({}),d=(e,t,r,s,i,n)=>{const a=e.getBindGroupLayout(0),o=this.device.createBindGroup({layout:a,entries:[{binding:0,resource:this.flipYSampler},{binding:1,resource:t.createView({dimension:t.textureBindingViewDimension||"2d-array",baseMipLevel:0,mipLevelCount:1})},{binding:2,resource:{buffer:n?this.flipUniformBuffer:this.noFlipUniformBuffer}}]}),u=l.beginRenderPass({colorAttachments:[{view:s.createView({dimension:"2d",baseMipLevel:0,mipLevelCount:1,baseArrayLayer:i,arrayLayerCount:1}),loadOp:YR,storeOp:XR}]});u.setPipeline(e),u.setBindGroup(0,o),u.draw(3,1,0,r),u.end()};d(o,e,r,a,0,!1),d(u,a,0,e,r,!0),this.device.queue.submit([l.finish()]),a.destroy()}generateMipmaps(e,t=null){const r=this.get(e),s=r.layers||this._mipmapCreateBundles(e),i=t||this.device.createCommandEncoder({label:"mipmapEncoder"});this._mipmapRunBundles(i,s),null===t&&this.device.queue.submit([i.finish()]),r.layers=s}_mipmapCreateBundles(e){const t=e.textureBindingViewDimension||"2d-array",r=this.getTransferPipeline(e.format,t),s=r.getBindGroupLayout(0),i=[];for(let n=1;n<e.mipLevelCount;n++)for(let a=0;a<e.depthOrArrayLayers;a++){const o=this.device.createBindGroup({layout:s,entries:[{binding:0,resource:this.mipmapSampler},{binding:1,resource:e.createView({dimension:t,baseMipLevel:n-1,mipLevelCount:1})},{binding:2,resource:{buffer:this.noFlipUniformBuffer}}]}),u={colorAttachments:[{view:e.createView({dimension:"2d",baseMipLevel:n,mipLevelCount:1,baseArrayLayer:a,arrayLayerCount:1}),loadOp:YR,storeOp:XR}]},l=this.device.createRenderBundleEncoder({colorFormats:[e.format]});l.setPipeline(r),l.setBindGroup(0,o),l.draw(3,1,0,a),i.push({renderBundles:[l.finish()],passDescriptor:u})}return i}_mipmapRunBundles(e,t){const r=t.length;for(let s=0;s<r;s++){const r=t[s],i=e.beginRenderPass(r.passDescriptor);i.executeBundles(r.renderBundles),i.end()}}}const Kw={[Wr]:"never",[A]:"less",[zr]:"equal",[Qe]:"less-equal",[kr]:"greater",[Gr]:"greater-equal",[$r]:"always",[Vr]:"not-equal"},Yw=[0,1,3,2,4,5];class Qw{constructor(e){this.backend=e,this._passUtils=null,this.defaultTexture={},this.defaultCubeTexture={},this.defaultVideoFrame=null,this._samplerCache=new Map}updateSampler(e){const t=this.backend,r=e.minFilter+"-"+e.magFilter+"-"+e.wrapS+"-"+e.wrapT+"-"+(e.wrapR||"0")+"-"+e.anisotropy+"-"+(e.compareFunction||0);let s=this._samplerCache.get(r);if(void 0===s){const i={addressModeU:this._convertAddressMode(e.wrapS),addressModeV:this._convertAddressMode(e.wrapT),addressModeW:this._convertAddressMode(e.wrapR),magFilter:this._convertFilterMode(e.magFilter),minFilter:this._convertFilterMode(e.minFilter),mipmapFilter:this._convertFilterMode(e.minFilter),maxAnisotropy:1};e.isDepthTexture&&null===e.compareFunction&&(i.magFilter=qA,i.minFilter=qA,i.mipmapFilter=qA),i.magFilter===HA&&i.minFilter===HA&&i.mipmapFilter===HA&&(i.maxAnisotropy=e.anisotropy),e.isDepthTexture&&null!==e.compareFunction&&t.hasCompatibility(E.TEXTURE_COMPARE)&&(i.compare=Kw[e.compareFunction]);s={sampler:t.device.createSampler(i),usedTimes:0},this._samplerCache.set(r,s)}const i=t.get(e);if(i.sampler!==s.sampler){if(void 0!==i.sampler){const e=this._samplerCache.get(i.samplerKey);e.usedTimes--,0===e.usedTimes&&this._samplerCache.delete(i.samplerKey)}i.samplerKey=r,i.sampler=s.sampler,s.usedTimes++}return r}createDefaultTexture(e){let t;const r=Zw(e);t=e.isCubeTexture?this._getDefaultCubeTextureGPU(r):this._getDefaultTextureGPU(r),this.backend.get(e).texture=t}createTexture(e,t={}){const r=this.backend,s=r.get(e);if(s.initialized)throw new Error("WebGPUTextureUtils: Texture already initialized.");if(e.isExternalTexture)return s.texture=e.sourceTexture,void(s.initialized=!0);void 0===t.needsMipmaps&&(t.needsMipmaps=!1),void 0===t.levels&&(t.levels=1),void 0===t.depth&&(t.depth=1);const{width:i,height:n,depth:a,levels:o}=t;e.isFramebufferTexture&&(t.renderTarget?t.format=this.backend.utils.getCurrentColorFormat(t.renderTarget):t.format=this.backend.utils.getPreferredCanvasFormat());const u=this._getDimension(e),l=e.internalFormat||t.format||Zw(e,r.device);s.format=l;const{samples:c,primarySamples:h,isMSAA:p}=r.utils.getTextureSampleData(e);let g=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.COPY_SRC;!0===e.isStorageTexture&&(g|=GPUTextureUsage.STORAGE_BINDING),!0!==e.isCompressedTexture&&!0!==e.isCompressedArrayTexture&&l!==AE&&(g|=GPUTextureUsage.RENDER_ATTACHMENT);const m={label:e.name,size:{width:i,height:n,depthOrArrayLayers:a},mipLevelCount:o,sampleCount:h,dimension:u,format:l,usage:g};if(void 0===l)return d("WebGPURenderer: Texture format not supported."),void this.createDefaultTexture(e);e.isCubeTexture&&(m.textureBindingViewDimension=Iw);try{s.texture=r.device.createTexture(m)}catch(t){return d("WebGPURenderer: Failed to create texture with descriptor:",m),void this.createDefaultTexture(e)}if(p){const e=Object.assign({},m);e.label=e.label+"-msaa",e.sampleCount=c,e.mipLevelCount=1,s.msaaTexture=r.device.createTexture(e)}s.initialized=!0,s.textureDescriptorGPU=m}destroyTexture(e,t=!1){const r=this.backend,s=r.get(e);void 0!==s.texture&&!1===t&&s.texture.destroy(),void 0!==s.msaaTexture&&s.msaaTexture.destroy(),r.delete(e)}generateMipmaps(e,t=null){const r=this.backend.get(e);this._generateMipmaps(r.texture,t)}getColorBuffer(){const e=this.backend,t=e.renderer.getCanvasTarget(),{width:r,height:s}=e.getDrawingBufferSize(),i=e.renderer.currentSamples,n=t.colorTexture,a=e.get(n);if(n.width===r&&n.height===s&&n.samples===i)return a.texture;let o=a.texture;return o&&o.destroy(),o=e.device.createTexture({label:"colorBuffer",size:{width:r,height:s,depthOrArrayLayers:1},sampleCount:e.utils.getSampleCount(e.renderer.currentSamples),format:e.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC}),n.source.width=r,n.source.height=s,n.samples=i,a.texture=o,o}getDepthBuffer(e=!0,t=!1){const r=this.backend,s=r.renderer.getCanvasTarget(),{width:i,height:n}=r.getDrawingBufferSize(),a=r.renderer.currentSamples,o=s.depthTexture;if(o.width===i&&o.height===n&&o.samples===a&&o.depth===e&&o.stencil===t)return r.get(o).texture;const u=r.get(o).texture;let l,d;if(t?(l=Ue,d=Oe):e&&(l=Ie,d=S),void 0!==u){if(o.image.width===i&&o.image.height===n&&o.format===l&&o.type===d&&o.samples===a)return u;this.destroyTexture(o)}return o.name="depthBuffer",o.format=l,o.type=d,o.image.width=i,o.image.height=n,o.samples=a,this.createTexture(o,{width:i,height:n}),r.get(o).texture}updateTexture(e,t){const r=this.backend.get(e),s=e.mipmaps,{textureDescriptorGPU:i}=r;if(!e.isRenderTargetTexture&&void 0!==i){if(e.isDataTexture)if(s.length>0)for(let t=0,n=s.length;t<n;t++){const n=s[t];this._copyBufferToTexture(n,r.texture,i,0,e.flipY,0,t)}else this._copyBufferToTexture(t.image,r.texture,i,0,e.flipY);else if(e.isArrayTexture||e.isDataArrayTexture||e.isData3DTexture)for(let s=0;s<t.image.depth;s++)this._copyBufferToTexture(t.image,r.texture,i,s,e.flipY,s);else if(e.isCompressedTexture||e.isCompressedArrayTexture)this._copyCompressedBufferToTexture(e.mipmaps,r.texture,i);else if(e.isCubeTexture)this._copyCubeMapToTexture(e,r.texture,i);else if(s.length>0)for(let t=0,n=s.length;t<n;t++){const n=s[t];this._copyImageToTexture(n,r.texture,i,0,e.flipY,e.premultiplyAlpha,t)}else this._copyImageToTexture(t.image,r.texture,i,0,e.flipY,e.premultiplyAlpha);r.version=e.version}}async copyTextureToBuffer(e,t,r,s,i,n){const a=this.backend.device,o=this.backend.get(e),u=o.texture,l=o.textureDescriptorGPU.format,d=this._getBytesPerTexel(l);let c=s*d;c=256*Math.ceil(c/256);const h=a.createBuffer({size:(i-1)*c+s*d,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ}),p=a.createCommandEncoder();p.copyTextureToBuffer({texture:u,origin:{x:t,y:r,z:n}},{buffer:h,bytesPerRow:c},{width:s,height:i});const g=this._getTypedArrayType(l);a.queue.submit([p.finish()]),await h.mapAsync(GPUMapMode.READ);return new g(h.getMappedRange())}dispose(){this._samplerCache.clear()}_getDefaultTextureGPU(e){let t=this.defaultTexture[e];if(void 0===t){const r=new N;r.minFilter=w,r.magFilter=w,this.createTexture(r,{width:1,height:1,format:e}),this.defaultTexture[e]=t=r}return this.backend.get(t).texture}_getDefaultCubeTextureGPU(e){let t=this.defaultCubeTexture[e];if(void 0===t){const r=new L;r.minFilter=w,r.magFilter=w,this.createTexture(r,{width:1,height:1,depth:6}),this.defaultCubeTexture[e]=t=r}return this.backend.get(t).texture}_copyCubeMapToTexture(e,t,r){const s=e.images,i=e.mipmaps;for(let n=0;n<6;n++){const a=s[n],o=!0===e.flipY?Yw[n]:n;a.isDataTexture?this._copyBufferToTexture(a.image,t,r,o,e.flipY):this._copyImageToTexture(a,t,r,o,e.flipY,e.premultiplyAlpha);for(let s=0;s<i.length;s++){const a=i[s].images[n];a.isDataTexture?this._copyBufferToTexture(a.image,t,r,o,e.flipY,0,s+1):this._copyImageToTexture(a,t,r,o,e.flipY,e.premultiplyAlpha,s+1)}}}_copyImageToTexture(e,t,r,s,i,n,a=0){const o=this.backend.device,u=a>0?e.width:r.size.width,l=a>0?e.height:r.size.height;try{o.queue.copyExternalImageToTexture({source:e,flipY:i},{texture:t,mipLevel:a,origin:{x:0,y:0,z:s},premultipliedAlpha:n},{width:u,height:l,depthOrArrayLayers:1})}catch(e){}}_getPassUtils(){let e=this._passUtils;return null===e&&(this._passUtils=e=new Xw(this.backend.device)),e}_generateMipmaps(e,t=null){this._getPassUtils().generateMipmaps(e,t)}_flipY(e,t,r=0){this._getPassUtils().flipY(e,t,r)}_copyBufferToTexture(e,t,r,s,i,n=0,a=0){const o=this.backend.device,u=e.data,l=this._getBytesPerTexel(r.format),d=e.width*l;o.queue.writeTexture({texture:t,mipLevel:a,origin:{x:0,y:0,z:s}},u,{offset:e.width*e.height*l*n,bytesPerRow:d},{width:e.width,height:e.height,depthOrArrayLayers:1}),!0===i&&this._flipY(t,r,s)}_copyCompressedBufferToTexture(e,t,r){const s=this.backend.device,i=this._getBlockData(r.format),n=r.size.depthOrArrayLayers>1;for(let a=0;a<e.length;a++){const o=e[a],u=o.width,l=o.height,d=n?r.size.depthOrArrayLayers:1,c=Math.ceil(u/i.width)*i.byteLength,h=c*Math.ceil(l/i.height);for(let e=0;e<d;e++)s.queue.writeTexture({texture:t,mipLevel:a,origin:{x:0,y:0,z:e}},o.data,{offset:e*h,bytesPerRow:c,rowsPerImage:Math.ceil(l/i.height)},{width:Math.ceil(u/i.width)*i.width,height:Math.ceil(l/i.height)*i.height,depthOrArrayLayers:1})}}_getBlockData(e){return e===WE||e===HE?{byteLength:8,width:4,height:4}:e===qE||e===jE||e===XE||e===KE?{byteLength:16,width:4,height:4}:e===YE||e===QE?{byteLength:8,width:4,height:4}:e===ZE||e===JE||e===eA||e===tA||e===rA||e===sA?{byteLength:16,width:4,height:4}:e===iA||e===nA||e===aA||e===oA?{byteLength:8,width:4,height:4}:e===uA||e===lA?{byteLength:16,width:4,height:4}:e===dA||e===cA?{byteLength:8,width:4,height:4}:e===hA||e===pA||e===gA||e===mA?{byteLength:16,width:4,height:4}:e===fA||e===yA?{byteLength:16,width:5,height:4}:e===bA||e===xA?{byteLength:16,width:5,height:5}:e===TA||e===_A?{byteLength:16,width:6,height:5}:e===vA||e===NA?{byteLength:16,width:6,height:6}:e===SA||e===RA?{byteLength:16,width:8,height:5}:e===EA||e===AA?{byteLength:16,width:8,height:6}:e===wA||e===CA?{byteLength:16,width:8,height:8}:e===MA||e===BA?{byteLength:16,width:10,height:5}:e===FA||e===LA?{byteLength:16,width:10,height:6}:e===PA||e===DA?{byteLength:16,width:10,height:8}:e===UA||e===IA?{byteLength:16,width:10,height:10}:e===OA||e===VA?{byteLength:16,width:12,height:10}:e===kA||e===GA?{byteLength:16,width:12,height:12}:void 0}_convertAddressMode(e){let t=zA;return e===Ir?t=$A:e===Ur&&(t=WA),t}_convertFilterMode(e){let t=HA;return e!==w&&e!==Or&&e!==it||(t=qA),t}_getBytesPerTexel(e){return e===sE||e===iE||e===nE||e===aE?1:e===oE||e===uE||e===lE||e===dE||e===cE||e===hE||e===pE?2:e===gE||e===mE||e===fE||e===yE||e===bE||e===xE||e===TE||e===_E||e===vE||e===NE||e===SE||e===RE||e===EE||e===AE||e===wE||e===CE||e===zE||e===kE||e===GE||e===$E?4:e===ME||e===BE||e===FE||e===LE||e===PE||e===DE?8:e===UE||e===IE||e===OE?16:void 0}_getTypedArrayType(e){return e===nE?Uint8Array:e===aE?Int8Array:e===sE?Uint8Array:e===iE?Int8Array:e===hE?Uint8Array:e===pE?Int8Array:e===dE?Uint8Array:e===cE?Int8Array:e===NE?Uint8Array:e===SE?Int8Array:e===TE||e===_E?Uint8Array:e===vE?Int8Array:e===oE?Uint16Array:e===uE?Int16Array:e===yE?Uint16Array:e===bE?Int16Array:e===LE?Uint16Array:e===PE?Int16Array:e===lE||e===xE||e===DE?Uint16Array:e===gE?Uint32Array:e===mE?Int32Array:e===fE?Float32Array:e===ME?Uint32Array:e===BE?Int32Array:e===FE?Float32Array:e===UE?Uint32Array:e===IE?Int32Array:e===OE?Float32Array:e===RE||e===EE?Uint8Array:e===wE||e===AE||e===CE?Uint32Array:e===zE?Float32Array:e===kE||e===GE?Uint32Array:e===$E?Float32Array:void 0}_getDimension(e){let t;return t=e.is3DTexture||e.isData3DTexture?Pw:Lw,t}}function Zw(e,t=null){const r=e.format,s=e.type,i=e.colorSpace,n=p.getTransfer(i);let a;if(!0===e.isCompressedTexture||!0===e.isCompressedArrayTexture)switch(r){case ir:case nr:a=n===g?HE:WE;break;case ar:a=n===g?jE:qE;break;case or:a=n===g?KE:XE;break;case Lr:a=YE;break;case Pr:a=QE;break;case z:a=ZE;break;case Dr:a=JE;break;case Fr:a=n===g?sA:rA;break;case pr:case hr:a=n===g?nA:iA;break;case gr:a=n===g?lA:uA;break;case mr:a=dA;break;case fr:a=cA;break;case $:a=hA;break;case yr:a=pA;break;case br:a=n===g?mA:gA;break;case xr:a=n===g?yA:fA;break;case Tr:a=n===g?xA:bA;break;case _r:a=n===g?_A:TA;break;case vr:a=n===g?NA:vA;break;case Nr:a=n===g?RA:SA;break;case Sr:a=n===g?AA:EA;break;case Rr:a=n===g?CA:wA;break;case Er:a=n===g?BA:MA;break;case Ar:a=n===g?LA:FA;break;case wr:a=n===g?DA:PA;break;case Cr:a=n===g?IA:UA;break;case Mr:a=n===g?VA:OA;break;case Br:a=n===g?GA:kA;break;case Se:a=n===g?_E:TE;break;default:o("WebGPURenderer: Unsupported texture format.",r)}else switch(r){case Se:switch(s){case _t:a=vE;break;case Tt:a=PE;break;case vt:a=LE;break;case S:a=UE;break;case R:a=IE;break;case Ve:a=n===g?_E:TE;break;case be:a=DE;break;case j:a=OE;break;default:o("WebGPURenderer: Unsupported texture type with RGBAFormat.",s)}break;case Rt:switch(s){case tr:a=AE;break;case rr:a=CE;break;default:o("WebGPURenderer: Unsupported texture type with RGBFormat.",s)}break;case xt:switch(s){case _t:a=iE;break;case Tt:a=uE;break;case vt:a=oE;break;case S:a=gE;break;case R:a=mE;break;case Ve:a=sE;break;case be:a=lE;break;case j:a=fE;break;default:o("WebGPURenderer: Unsupported texture type with RedFormat.",s)}break;case G:switch(s){case _t:a=cE;break;case Tt:a=bE;break;case vt:a=yE;break;case S:a=ME;break;case R:a=BE;break;case Ve:a=dE;break;case be:a=xE;break;case j:a=FE;break;default:o("WebGPURenderer: Unsupported texture type with RGFormat.",s)}break;case Ie:switch(s){case vt:a=VE;break;case S:a=kE;break;case j:a=zE;break;default:o("WebGPURenderer: Unsupported texture type with DepthFormat.",s)}break;case Ue:switch(s){case Oe:a=GE;break;case j:t&&!1===t.features.has(zw.Depth32FloatStencil8)&&o('WebGPURenderer: Depth textures with DepthStencilFormat + FloatType can only be used with the "depth32float-stencil8" GPU feature.'),a=$E;break;default:o("WebGPURenderer: Unsupported texture type with DepthStencilFormat.",s)}break;case bt:switch(s){case R:a=mE;break;case S:a=gE;break;default:o("WebGPURenderer: Unsupported texture type with RedIntegerFormat.",s)}break;case Nt:switch(s){case R:a=BE;break;case S:a=ME;break;default:o("WebGPURenderer: Unsupported texture type with RGIntegerFormat.",s)}break;case Et:switch(s){case R:a=IE;break;case S:a=UE;break;default:o("WebGPURenderer: Unsupported texture type with RGBAIntegerFormat.",s)}break;default:o("WebGPURenderer: Unsupported texture format.",r)}return a}const Jw=/^[fn]*\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)\s*[\-\>]*\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/i,eC=/([a-z_0-9]+)\s*:\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/gi,tC={f32:"float",i32:"int",u32:"uint",bool:"bool","vec2<f32>":"vec2","vec2<i32>":"ivec2","vec2<u32>":"uvec2","vec2<bool>":"bvec2",vec2f:"vec2",vec2i:"ivec2",vec2u:"uvec2",vec2b:"bvec2","vec3<f32>":"vec3","vec3<i32>":"ivec3","vec3<u32>":"uvec3","vec3<bool>":"bvec3",vec3f:"vec3",vec3i:"ivec3",vec3u:"uvec3",vec3b:"bvec3","vec4<f32>":"vec4","vec4<i32>":"ivec4","vec4<u32>":"uvec4","vec4<bool>":"bvec4",vec4f:"vec4",vec4i:"ivec4",vec4u:"uvec4",vec4b:"bvec4","mat2x2<f32>":"mat2",mat2x2f:"mat2","mat3x3<f32>":"mat3",mat3x3f:"mat3","mat4x4<f32>":"mat4",mat4x4f:"mat4",sampler:"sampler",texture_1d:"texture",texture_2d:"texture",texture_2d_array:"texture",texture_multisampled_2d:"cubeTexture",texture_depth_2d:"depthTexture",texture_depth_2d_array:"depthTexture",texture_depth_multisampled_2d:"depthTexture",texture_depth_cube:"depthTexture",texture_depth_cube_array:"depthTexture",texture_3d:"texture3D",texture_cube:"cubeTexture",texture_cube_array:"cubeTexture",texture_storage_1d:"storageTexture",texture_storage_2d:"storageTexture",texture_storage_2d_array:"storageTexture",texture_storage_3d:"storageTexture"};class rC extends nS{constructor(e){const{type:t,inputs:r,name:s,inputsCode:i,blockCode:n,outputType:a}=(e=>{const t=(e=e.trim()).match(Jw);if(null!==t&&4===t.length){const r=t[2],s=[];let i=null;for(;null!==(i=eC.exec(r));)s.push({name:i[1],type:i[2]});const n=[];for(let e=0;e<s.length;e++){const{name:t,type:r}=s[e];let i=r;i.startsWith("ptr")?i="pointer":(i.startsWith("texture")&&(i=r.split("<")[0]),i=tC[i]),n.push(new HN(i,t))}const a=e.substring(t[0].length),o=t[3]||"void",u=void 0!==t[1]?t[1]:"";return{type:tC[o]||o,inputs:n,name:u,inputsCode:r,blockCode:a,outputType:o}}throw new Error("FunctionNode: Function is not a WGSL code.")})(e);super(t,r,s),this.inputsCode=i,this.blockCode=n,this.outputType=a}getCode(e=this.name){const t="void"!==this.outputType?"-> "+this.outputType:"";return`fn ${e} ( ${this.inputsCode.trim()} ) ${t}`+this.blockCode}}class sC extends iS{parseFunction(e){return new rC(e)}}const iC={[ti.READ_ONLY]:"read",[ti.WRITE_ONLY]:"write",[ti.READ_WRITE]:"read_write"},nC={[Ir]:"repeat",[xe]:"clamp",[Ur]:"mirror"},aC={vertex:VR.VERTEX,fragment:VR.FRAGMENT,compute:VR.COMPUTE},oC={instance:!0,swizzleAssign:!1,storageBuffer:!0},uC={"^^":"tsl_xor"},lC={float:"f32",int:"i32",uint:"u32",bool:"bool",color:"vec3<f32>",vec2:"vec2<f32>",ivec2:"vec2<i32>",uvec2:"vec2<u32>",bvec2:"vec2<bool>",vec3:"vec3<f32>",ivec3:"vec3<i32>",uvec3:"vec3<u32>",bvec3:"vec3<bool>",vec4:"vec4<f32>",ivec4:"vec4<i32>",uvec4:"vec4<u32>",bvec4:"vec4<bool>",mat2:"mat2x2<f32>",mat3:"mat3x3<f32>",mat4:"mat4x4<f32>"},dC={},cC={tsl_xor:new lT("fn tsl_xor( a : bool, b : bool ) -> bool { return ( a || b ) && !( a && b ); }"),mod_float:new lT("fn tsl_mod_float( x : f32, y : f32 ) -> f32 { return x - y * floor( x / y ); }"),mod_vec2:new lT("fn tsl_mod_vec2( x : vec2f, y : vec2f ) -> vec2f { return x - y * floor( x / y ); }"),mod_vec3:new lT("fn tsl_mod_vec3( x : vec3f, y : vec3f ) -> vec3f { return x - y * floor( x / y ); }"),mod_vec4:new lT("fn tsl_mod_vec4( x : vec4f, y : vec4f ) -> vec4f { return x - y * floor( x / y ); }"),equals_bool:new lT("fn tsl_equals_bool( a : bool, b : bool ) -> bool { return a == b; }"),equals_bvec2:new lT("fn tsl_equals_bvec2( a : vec2f, b : vec2f ) -> vec2<bool> { return vec2<bool>( a.x == b.x, a.y == b.y ); }"),equals_bvec3:new lT("fn tsl_equals_bvec3( a : vec3f, b : vec3f ) -> vec3<bool> { return vec3<bool>( a.x == b.x, a.y == b.y, a.z == b.z ); }"),equals_bvec4:new lT("fn tsl_equals_bvec4( a : vec4f, b : vec4f ) -> vec4<bool> { return vec4<bool>( a.x == b.x, a.y == b.y, a.z == b.z, a.w == b.w ); }"),repeatWrapping_float:new lT("fn tsl_repeatWrapping_float( coord: f32 ) -> f32 { return fract( coord ); }"),mirrorWrapping_float:new lT("fn tsl_mirrorWrapping_float( coord: f32 ) -> f32 { let mirrored = fract( coord * 0.5 ) * 2.0; return 1.0 - abs( 1.0 - mirrored ); }"),clampWrapping_float:new lT("fn tsl_clampWrapping_float( coord: f32 ) -> f32 { return clamp( coord, 0.0, 1.0 ); }"),biquadraticTexture:new lT("\nfn tsl_biquadraticTexture( map : texture_2d<f32>, coord : vec2f, iRes : vec2u, level : u32 ) -> vec4f {\n\n\tlet res = vec2f( iRes );\n\n\tlet uvScaled = coord * res;\n\tlet uvWrapping = ( ( uvScaled % res ) + res ) % res;\n\n\t// https://www.shadertoy.com/view/WtyXRy\n\n\tlet uv = uvWrapping - 0.5;\n\tlet iuv = floor( uv );\n\tlet f = fract( uv );\n\n\tlet rg1 = textureLoad( map, vec2u( iuv + vec2( 0.5, 0.5 ) ) % iRes, level );\n\tlet rg2 = textureLoad( map, vec2u( iuv + vec2( 1.5, 0.5 ) ) % iRes, level );\n\tlet rg3 = textureLoad( map, vec2u( iuv + vec2( 0.5, 1.5 ) ) % iRes, level );\n\tlet rg4 = textureLoad( map, vec2u( iuv + vec2( 1.5, 1.5 ) ) % iRes, level );\n\n\treturn mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );\n\n}\n")},hC={dFdx:"dpdx",dFdy:"- dpdy",mod_float:"tsl_mod_float",mod_vec2:"tsl_mod_vec2",mod_vec3:"tsl_mod_vec3",mod_vec4:"tsl_mod_vec4",equals_bool:"tsl_equals_bool",equals_bvec2:"tsl_equals_bvec2",equals_bvec3:"tsl_equals_bvec3",equals_bvec4:"tsl_equals_bvec4",inversesqrt:"inverseSqrt",bitcast:"bitcast<f32>",floatpack_snorm_2x16:"pack2x16snorm",floatpack_unorm_2x16:"pack2x16unorm",floatpack_float16_2x16:"pack2x16float",floatunpack_snorm_2x16:"unpack2x16snorm",floatunpack_unorm_2x16:"unpack2x16unorm",floatunpack_float16_2x16:"unpack2x16float"};let pC="";!0!==("undefined"!=typeof navigator&&/Firefox|Deno/g.test(navigator.userAgent))&&(pC+="diagnostic( off, derivative_uniformity );\n");class gC extends $N{constructor(e,t){super(e,t,new sC),this.uniformGroups={},this.uniformGroupsBindings={},this.builtins={},this.directives={},this.scopedArrays=new Map}_generateTextureSample(e,t,r,s,i,n=this.shaderStage){return"fragment"===n?s?i?`textureSample( ${t}, ${t}_sampler, ${r}, ${s}, ${i} )`:`textureSample( ${t}, ${t}_sampler, ${r}, ${s} )`:i?`textureSample( ${t}, ${t}_sampler, ${r}, ${i} )`:`textureSample( ${t}, ${t}_sampler, ${r} )`:this.generateTextureSampleLevel(e,t,r,"0",s)}generateTextureSampleLevel(e,t,r,s,i,n){return!1===this.isUnfilterable(e)?n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,n,s):this.generateTextureLod(e,t,r,i,n,s)}generateWrapFunction(e){const t=`tsl_coord_${nC[e.wrapS]}S_${nC[e.wrapT]}_${e.is3DTexture||e.isData3DTexture?"3d":"2d"}T`;let r=dC[t];if(void 0===r){const s=[],i=e.is3DTexture||e.isData3DTexture?"vec3f":"vec2f";let n=`fn ${t}( coord : ${i} ) -> ${i} {\n\n\treturn ${i}(\n`;const a=(e,t)=>{e===Ir?(s.push(cC.repeatWrapping_float),n+=`\t\ttsl_repeatWrapping_float( coord.${t} )`):e===xe?(s.push(cC.clampWrapping_float),n+=`\t\ttsl_clampWrapping_float( coord.${t} )`):e===Ur?(s.push(cC.mirrorWrapping_float),n+=`\t\ttsl_mirrorWrapping_float( coord.${t} )`):(n+=`\t\tcoord.${t}`,d(`WebGPURenderer: Unsupported texture wrap type "${e}" for vertex shader.`))};a(e.wrapS,"x"),n+=",\n",a(e.wrapT,"y"),(e.is3DTexture||e.isData3DTexture)&&(n+=",\n",a(e.wrapR,"z")),n+="\n\t);\n\n}\n",dC[t]=r=new lT(n,s)}return r.build(this),t}generateArrayDeclaration(e,t){return`array< ${this.getType(e)}, ${t} >`}generateTextureDimension(e,t,r){const s=this.getDataFromNode(e,this.shaderStage,this.globalCache);void 0===s.dimensionsSnippet&&(s.dimensionsSnippet={});let i=s.dimensionsSnippet[r];if(void 0===s.dimensionsSnippet[r]){let n,a;const{primarySamples:o}=this.renderer.backend.utils.getTextureSampleData(e),u=o>1;a=e.is3DTexture||e.isData3DTexture?"vec3<u32>":"vec2<u32>",n=u||e.isStorageTexture?t:`${t}${r?`, u32( ${r} )`:""}`,i=new Eu(new pl(`textureDimensions( ${n} )`,a)),s.dimensionsSnippet[r]=i,(e.isArrayTexture||e.isDataArrayTexture||e.is3DTexture||e.isData3DTexture)&&(s.arrayLayerCount=new Eu(new pl(`textureNumLayers(${t})`,"u32"))),e.isTextureCube&&(s.cubeFaceCount=new Eu(new pl("6u","u32")))}return i.build(this)}generateFilteredTexture(e,t,r,s,i="0u"){this._include("biquadraticTexture");const n=this.generateWrapFunction(e),a=this.generateTextureDimension(e,t,i);return s&&(r=`${r} + vec2<f32>(${s}) / ${a}`),`tsl_biquadraticTexture( ${t}, ${n}( ${r} ), ${a}, u32( ${i} ) )`}generateTextureLod(e,t,r,s,i,n="0u"){if(!0===e.isCubeTexture){i&&(r=`${r} + vec3<f32>(${i})`);return`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${e.isDepthTexture?"u32":"f32"}( ${n} ) )`}const a=this.generateWrapFunction(e),o=this.generateTextureDimension(e,t,n),u=e.is3DTexture||e.isData3DTexture?"vec3":"vec2";i&&(r=`${r} + ${u}<f32>(${i}) / ${u}<f32>( ${o} )`);return r=`${u}<u32>( clamp( floor( ${a}( ${r} ) * ${u}<f32>( ${o} ) ), ${`${u}<f32>( 0 )`}, ${`${u}<f32>( ${o} - ${"vec3"===u?"vec3<u32>( 1, 1, 1 )":"vec2<u32>( 1, 1 )"} )`} ) )`,this.generateTextureLoad(e,t,r,n,s,null)}generateTextureLoad(e,t,r,s,i,n){const a=!0===e.isStorageTexture;let o;return null!==s||a||(s="0u"),n&&(r=`${r} + ${n}`),i?o=a?`textureLoad( ${t}, ${r}, ${i} )`:`textureLoad( ${t}, ${r}, ${i}, u32( ${s} ) )`:a?o=`textureLoad( ${t}, ${r} )`:(o=`textureLoad( ${t}, ${r}, u32( ${s} ) )`,this.renderer.backend.compatibilityMode&&e.isDepthTexture&&(o+=".x")),o}generateTextureStore(e,t,r,s,i){let n;return n=s?`textureStore( ${t}, ${r}, ${s}, ${i} )`:`textureStore( ${t}, ${r}, ${i} )`,n}isSampleCompare(e){return!0===e.isDepthTexture&&null!==e.compareFunction&&this.renderer.hasCompatibility(E.TEXTURE_COMPARE)}isUnfilterable(e){return"float"!==this.getComponentTypeFromTexture(e)||!this.isAvailable("float32Filterable")&&!0===e.isDataTexture&&e.type===j||!1===this.isSampleCompare(e)&&e.minFilter===w&&e.magFilter===w||this.renderer.backend.utils.getTextureSampleData(e).primarySamples>1}generateTexture(e,t,r,s,i,n=this.shaderStage){let a=null;return a=this.isUnfilterable(e)?this.generateTextureLod(e,t,r,s,i,"0",n):this._generateTextureSample(e,t,r,s,i,n),a}generateTextureGrad(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return n?`textureSampleGrad( ${t}, ${t}_sampler, ${r},  ${s[0]}, ${s[1]}, ${n} )`:`textureSampleGrad( ${t}, ${t}_sampler, ${r},  ${s[0]}, ${s[1]} )`;o(`WebGPURenderer: THREE.TextureNode.gradient() does not support ${a} shader.`)}generateTextureCompare(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return!0===e.isDepthTexture&&!0===e.isArrayTexture?n?`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s} )`;o(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${a} shader.`)}generateTextureLevel(e,t,r,s,i,n){return!1===this.isUnfilterable(e)?n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,n,s):this.generateTextureLod(e,t,r,i,n,s)}generateTextureBias(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return n?`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s} )`;o(`WebGPURenderer: THREE.TextureNode.biasNode does not support ${a} shader.`)}getPropertyName(e,t=this.shaderStage){if(!0===e.isNodeVarying&&!0===e.needsInterpolation){if("vertex"===t)return`varyings.${e.name}`}else if(!0===e.isNodeUniform){const t=e.name,r=e.type;return"texture"===r||"cubeTexture"===r||"cubeDepthTexture"===r||"storageTexture"===r||"texture3D"===r?t:"buffer"===r||"storageBuffer"===r||"indirectStorageBuffer"===r?this.isCustomStruct(e)?t:t+".value":e.groupNode.name+"."+t}return super.getPropertyName(e)}getOutputStructName(){return"output"}getFunctionOperator(e){const t=uC[e];return void 0!==t?(this._include(t),t):null}getNodeAccess(e,t){return"compute"!==t?!0===e.isAtomic?(d("WebGPURenderer: Atomic operations are only supported in compute shaders."),ti.READ_WRITE):ti.READ_ONLY:e.access}getStorageAccess(e,t){return iC[this.getNodeAccess(e,t)]}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);if(void 0===n.uniformGPU){let a;const o=e.groupNode,u=o.name,l=this.getBindGroupArray(u,r);if("texture"===t||"cubeTexture"===t||"cubeDepthTexture"===t||"storageTexture"===t||"texture3D"===t){let s=null;const n=this.getNodeAccess(e,r);"texture"===t||"storageTexture"===t?s=!0===e.value.is3DTexture?new sR(i.name,i.node,o,n):new tR(i.name,i.node,o,n):"cubeTexture"===t||"cubeDepthTexture"===t?s=new rR(i.name,i.node,o,n):"texture3D"===t&&(s=new sR(i.name,i.node,o,n)),s.store=!0===e.isStorageTextureNode,s.mipLevel=s.store?e.mipLevel:0,s.setVisibility(aC[r]);if(!0===e.value.isCubeTexture||!1===this.isUnfilterable(e.value)&&!1===s.store){const e=new Ww(`${i.name}_sampler`,i.node,o);e.setVisibility(aC[r]),l.push(e,s),a=[e,s]}else l.push(s),a=[s]}else if("buffer"===t||"storageBuffer"===t||"indirectStorageBuffer"===t){const n=this.getSharedDataFromNode(e);let u=n.buffer;if(void 0===u){u=new("buffer"===t?XS:jw)(e,o),n.buffer=u}u.setVisibility(u.getVisibility()|aC[r]),l.push(u),a=u,i.name=s||"NodeBuffer_"+i.id}else{let e=this.uniformGroups[u];void 0===e?(e=new QS(u,o),e.setVisibility(aC[r]),this.uniformGroups[u]=e,l.push(e)):(e.setVisibility(e.getVisibility()|aC[r]),-1===l.indexOf(e)&&l.push(e)),a=this.getNodeUniform(i,t);const s=a.name;e.uniforms.some(e=>e.name===s)||e.addUniform(a)}n.uniformGPU=a}return i}getBuiltin(e,t,r,s=this.shaderStage){const i=this.builtins[s]||(this.builtins[s]=new Map);return!1===i.has(e)&&i.set(e,{name:e,property:t,type:r}),t}hasBuiltin(e,t=this.shaderStage){return void 0!==this.builtins[t]&&this.builtins[t].has(e)}getVertexIndex(){return"vertex"===this.shaderStage?this.getBuiltin("vertex_index","vertexIndex","u32","attribute"):"vertexIndex"}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(e.name+" : "+this.getType(e.type));let i=`fn ${t.name}( ${s.join(", ")} ) -> ${this.getType(t.type)} {\n${r.vars}\n${r.code}\n`;return r.result&&(i+=`\treturn ${r.result};\n`),i+="\n}\n",i}getInstanceIndex(){return"vertex"===this.shaderStage?this.getBuiltin("instance_index","instanceIndex","u32","attribute"):"instanceIndex"}getInvocationLocalIndex(){return this.getBuiltin("local_invocation_index","invocationLocalIndex","u32","attribute")}getSubgroupSize(){return this.enableSubGroups(),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute")}getInvocationSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_invocation_id","invocationSubgroupIndex","u32","attribute")}getSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_id","subgroupIndex","u32","attribute")}getDrawIndex(){return null}getFrontFacing(){return this.getBuiltin("front_facing","isFront","bool")}getFragCoord(){return this.getBuiltin("position","fragCoord","vec4<f32>")+".xy"}getFragDepth(){return"output."+this.getBuiltin("frag_depth","depth","f32","output")}getClipDistance(){return"varyings.hw_clip_distances"}isFlipY(){return!1}enableDirective(e,t=this.shaderStage){(this.directives[t]||(this.directives[t]=new Set)).add(e)}getDirectives(e){const t=[],r=this.directives[e];if(void 0!==r)for(const e of r)t.push(`enable ${e};`);return t.join("\n")}enableSubGroups(){this.enableDirective("subgroups")}enableSubgroupsF16(){this.enableDirective("subgroups-f16")}enableClipDistances(){this.enableDirective("clip_distances")}enableShaderF16(){this.enableDirective("f16")}enableDualSourceBlending(){this.enableDirective("dual_source_blending")}enableHardwareClipping(e){this.enableClipDistances(),this.getBuiltin("clip_distances","hw_clip_distances",`array<f32, ${e} >`,"vertex")}getBuiltins(e){const t=[],r=this.builtins[e];if(void 0!==r)for(const{name:e,property:s,type:i}of r.values())t.push(`@builtin( ${e} ) ${s} : ${i}`);return t.join(",\n\t")}getScopedArray(e,t,r,s){return!1===this.scopedArrays.has(e)&&this.scopedArrays.set(e,{name:e,scope:t,bufferType:r,bufferCount:s}),e}getScopedArrays(e){if("compute"!==e)return;const t=[];for(const{name:e,scope:r,bufferType:s,bufferCount:i}of this.scopedArrays.values()){const n=this.getType(s);t.push(`var<${r}> ${e}: array< ${n}, ${i} >;`)}return t.join("\n")}getAttributes(e){const t=[];if("compute"===e&&(this.getBuiltin("global_invocation_id","globalId","vec3<u32>","attribute"),this.getBuiltin("workgroup_id","workgroupId","vec3<u32>","attribute"),this.getBuiltin("local_invocation_id","localId","vec3<u32>","attribute"),this.getBuiltin("num_workgroups","numWorkgroups","vec3<u32>","attribute"),this.renderer.hasFeature("subgroups")&&(this.enableDirective("subgroups",e),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute"))),"vertex"===e||"compute"===e){const e=this.getBuiltins("attribute");e&&t.push(e);const r=this.getAttributesArray();for(let e=0,s=r.length;e<s;e++){const s=r[e],i=s.name,n=this.getType(s.type);t.push(`@location( ${e} ) ${i} : ${n}`)}}return t.join(",\n\t")}getStructMembers(e){const t=[];for(const r of e.members){const s=e.output?"@location( "+r.index+" ) ":"";let i=this.getType(r.type);r.atomic&&(i="atomic< "+i+" >"),t.push(`\t${s+r.name} : ${i}`)}return e.output&&t.push(`\t${this.getBuiltins("output")}`),t.join(",\n")}getStructs(e){let t="";const r=this.structs[e];if(r.length>0){const e=[];for(const t of r){let r=`struct ${t.name} {\n`;r+=this.getStructMembers(t),r+="\n};",e.push(r)}t="\n"+e.join("\n\n")+"\n"}return t}getVar(e,t,r=null){let s=`var ${t} : `;return s+=null!==r?this.generateArrayDeclaration(e,r):this.getType(e),s}getVars(e){const t=[],r=this.vars[e];if(void 0!==r)for(const e of r)t.push(`\t${this.getVar(e.type,e.name,e.count)};`);return`\n${t.join("\n")}\n`}getVaryings(e){const t=[];if("vertex"===e&&this.getBuiltin("position","builtinClipSpace","vec4<f32>","vertex"),"vertex"===e||"fragment"===e){const r=this.varyings,s=this.vars[e];for(let i=0;i<r.length;i++){const n=r[i];if(n.needsInterpolation){let e=`@location( ${i} )`;if(n.interpolationType){const t=null!==n.interpolationSampling?`, ${n.interpolationSampling} )`:" )";e+=` @interpolate( ${n.interpolationType}${t}`}else/^(int|uint|ivec|uvec)/.test(n.type)&&(e+=" @interpolate(flat, either)");t.push(`${e} ${n.name} : ${this.getType(n.type)}`)}else"vertex"===e&&!1===s.includes(n)&&s.push(n)}}const r=this.getBuiltins(e);r&&t.push(r);const s=t.join(",\n\t");return"vertex"===e?this._getWGSLStruct("VaryingsStruct","\t"+s):s}isCustomStruct(e){const t=e.value,r=e.node,s=(t.isBufferAttribute||t.isInstancedBufferAttribute)&&null!==r.structTypeNode,i=r.value&&r.value.array&&"number"==typeof r.value.itemSize&&r.value.array.length>r.value.itemSize;return s&&!i}getUniforms(e){const t=this.uniforms[e],r=[],s=[],i=[],n={};for(const i of t){const t=i.groupNode.name,a=this.bindingsIndexes[t];if("texture"===i.type||"cubeTexture"===i.type||"cubeDepthTexture"===i.type||"storageTexture"===i.type||"texture3D"===i.type){const t=i.node.value;let s;(!0===t.isCubeTexture||!1===this.isUnfilterable(t)&&!0!==i.node.isStorageTextureNode)&&(this.isSampleCompare(t)?r.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var ${i.name}_sampler : sampler_comparison;`):r.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var ${i.name}_sampler : sampler;`));let n="";const{primarySamples:o}=this.renderer.backend.utils.getTextureSampleData(t);if(o>1&&(n="_multisampled"),!0===t.isCubeTexture&&!0===t.isDepthTexture)s="texture_depth_cube";else if(!0===t.isCubeTexture)s="texture_cube<f32>";else if(!0===t.isDepthTexture)s=this.renderer.backend.compatibilityMode&&null===t.compareFunction?`texture${n}_2d<f32>`:`texture_depth${n}_2d${!0===t.isArrayTexture?"_array":""}`;else if(!0===i.node.isStorageTextureNode){const r=Zw(t),n=this.getStorageAccess(i.node,e),a=i.node.value.is3DTexture,o=i.node.value.isArrayTexture;s=`texture_storage_${a?"3d":"2d"+(o?"_array":"")}<${r}, ${n}>`}else if(!0===t.isArrayTexture||!0===t.isDataArrayTexture||!0===t.isCompressedArrayTexture)s="texture_2d_array<f32>";else if(!0===t.is3DTexture||!0===t.isData3DTexture)s="texture_3d<f32>";else{s=`texture${n}_2d<${this.getComponentTypeFromTexture(t).charAt(0)}32>`}r.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var ${i.name} : ${s};`)}else if("buffer"===i.type||"storageBuffer"===i.type||"indirectStorageBuffer"===i.type){const t=i.node,r=this.getType(t.getNodeType(this)),n=t.bufferCount,o=n>0&&"buffer"===i.type?", "+n:"",u=t.isStorageBufferNode?`storage, ${this.getStorageAccess(t,e)}`:"uniform";if(this.isCustomStruct(i))s.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var<${u}> ${i.name} : ${r};`);else{const e=`\tvalue : array< ${t.isAtomic?`atomic<${r}>`:`${r}`}${o} >`;s.push(this._getWGSLStructBinding(i.name,e,u,a.binding++,a.group))}}else{const e=i.groupNode.name;if(void 0===n[e]){const t=this.uniformGroups[e];if(void 0!==t){const r=[];for(const e of t.uniforms){const t=e.getType(),s=this.getType(this.getVectorType(t));r.push(`\t${e.name} : ${s}`)}let s=this.uniformGroupsBindings[e];void 0===s&&(s={index:a.binding++,id:a.group},this.uniformGroupsBindings[e]=s),n[e]={index:s.index,id:s.id,snippets:r}}}}}for(const e in n){const t=n[e];i.push(this._getWGSLStructBinding(e,t.snippets.join(",\n"),"uniform",t.index,t.id))}return[...r,...s,...i].join("\n")}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){this.shaderStage=t;const r=e[t];r.uniforms=this.getUniforms(t),r.attributes=this.getAttributes(t),r.varyings=this.getVaryings(t),r.structs=this.getStructs(t),r.vars=this.getVars(t),r.codes=this.getCodes(t),r.directives=this.getDirectives(t),r.scopedArrays=this.getScopedArrays(t);let s="// code\n\n";s+=this.flowCode[t];const i=this.flowNodes[t],n=i[i.length-1],a=n.outputNode,o=void 0!==a&&!0===a.isOutputStructNode;for(const e of i){const i=this.getFlowData(e),u=e.name;if(u&&(s.length>0&&(s+="\n"),s+=`\t// flow -> ${u}\n`),s+=`${i.code}\n\t`,e===n&&"compute"!==t)if(s+="// result\n\n\t","vertex"===t)s+=`varyings.builtinClipSpace = ${i.result};`;else if("fragment"===t)if(o)r.returnType=a.getNodeType(this),r.structs+="var<private> output : "+r.returnType+";",s+=`return ${i.result};`;else{let e="\t@location(0) color: vec4<f32>";const t=this.getBuiltins("output");t&&(e+=",\n\t"+t),r.returnType="OutputStruct",r.structs+=this._getWGSLStruct("OutputStruct",e),r.structs+="\nvar<private> output : OutputStruct;",s+=`output.color = ${i.result};\n\n\treturn output;`}}r.flow=s}if(this.shaderStage=null,null!==this.material)this.vertexShader=this._getWGSLVertexCode(e.vertex),this.fragmentShader=this._getWGSLFragmentCode(e.fragment);else{const t=this.object.workgroupSize;this.computeShader=this._getWGSLComputeCode(e.compute,t)}}getMethod(e,t=null){let r;return null!==t&&(r=this._getWGSLMethod(e+"_"+t)),void 0===r&&(r=this._getWGSLMethod(e)),r||e}getBitcastMethod(e){return`bitcast<${this.getType(e)}>`}getFloatPackingMethod(e){return this.getMethod(`floatpack_${e}_2x16`)}getFloatUnpackingMethod(e){return this.getMethod(`floatunpack_${e}_2x16`)}getTernary(e,t,r){return`select( ${r}, ${t}, ${e} )`}getType(e){return lC[e]||e}isAvailable(e){let t=oC[e];return void 0===t&&("float32Filterable"===e?t=this.renderer.hasFeature("float32-filterable"):"clipDistance"===e&&(t=this.renderer.hasFeature("clip-distances")),oC[e]=t),t}getUniformBufferLimit(){return this.renderer.backend.device.limits.maxUniformBufferBindingSize}_getWGSLMethod(e){return void 0!==cC[e]&&this._include(e),hC[e]}_include(e){const t=cC[e];return t.build(this),this.addInclude(t),t}_getWGSLVertexCode(e){return`${this.getSignature()}\n// directives\n${e.directives}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\nvar<private> varyings : VaryingsStruct;\n\n// codes\n${e.codes}\n\n@vertex\nfn main( ${e.attributes} ) -> VaryingsStruct {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n\treturn varyings;\n\n}\n`}_getWGSLFragmentCode(e){return`${this.getSignature()}\n// global\n${pC}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// codes\n${e.codes}\n\n@fragment\nfn main( ${e.varyings} ) -> ${e.returnType} {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLComputeCode(e,t){const[r,s,i]=t;return`${this.getSignature()}\n// directives\n${e.directives}\n\n// system\nvar<private> instanceIndex : u32;\n\n// locals\n${e.scopedArrays}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// codes\n${e.codes}\n\n@compute @workgroup_size( ${r}, ${s}, ${i} )\nfn main( ${e.attributes} ) {\n\n\t// system\n\tinstanceIndex = globalId.x\n\t\t+ globalId.y * ( ${r} * numWorkgroups.x )\n\t\t+ globalId.z * ( ${r} * numWorkgroups.x ) * ( ${s} * numWorkgroups.y );\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLStruct(e,t){return`\nstruct ${e} {\n${t}\n};`}_getWGSLStructBinding(e,t,r,s=0,i=0){const n=e+"Struct";return`${this._getWGSLStruct(n,t)}\n@binding( ${s} ) @group( ${i} )\nvar<${r}> ${e} : ${n};`}}class mC{constructor(e){this.backend=e}getCurrentDepthStencilFormat(e){let t;return e.depth&&(t=null!==e.depthTexture?this.getTextureFormatGPU(e.depthTexture):e.stencil?GE:kE),t}getTextureFormatGPU(e){return this.backend.get(e).format}getTextureSampleData(e){let t;if(e.isFramebufferTexture)t=1;else if(e.isDepthTexture&&!e.renderTarget){const e=this.backend.renderer,r=e.getRenderTarget();t=r?r.samples:e.currentSamples}else e.renderTarget&&(t=e.renderTarget.samples);t=t||1;const r=t>1&&null!==e.renderTarget&&!0!==e.isDepthTexture&&!0!==e.isFramebufferTexture;return{samples:t,primarySamples:r?1:t,isMSAA:r}}getCurrentColorFormat(e){let t;return t=null!==e.textures?this.getTextureFormatGPU(e.textures[0]):this.getPreferredCanvasFormat(),t}getCurrentColorFormats(e){return null!==e.textures?e.textures.map(e=>this.getTextureFormatGPU(e)):[this.getPreferredCanvasFormat()]}getCurrentColorSpace(e){return null!==e.textures?e.textures[0].colorSpace:this.backend.renderer.outputColorSpace}getPrimitiveTopology(e,t){return e.isPoints?DR:e.isLineSegments||e.isMesh&&!0===t.wireframe?UR:e.isLine?IR:e.isMesh?OR:void 0}getSampleCount(e){return e>=4?4:1}getSampleCountRenderContext(e){return null!==e.textures?this.getSampleCount(e.sampleCount):this.getSampleCount(this.backend.renderer.currentSamples)}getPreferredCanvasFormat(){const e=this.backend.parameters.outputType;if(void 0===e)return navigator.gpu.getPreferredCanvasFormat();if(e===Ve)return RE;if(e===be)return DE;throw new Error("Unsupported output buffer type.")}}const fC=new Map([[Int8Array,["sint8","snorm8"]],[Uint8Array,["uint8","unorm8"]],[Int16Array,["sint16","snorm16"]],[Uint16Array,["uint16","unorm16"]],[Int32Array,["sint32","snorm32"]],[Uint32Array,["uint32","unorm32"]],[Float32Array,["float32"]]]);"undefined"!=typeof Float16Array&&fC.set(Float16Array,["float16"]);const yC=new Map([[nt,["float16"]]]),bC=new Map([[Int32Array,"sint32"],[Int16Array,"sint32"],[Uint32Array,"uint32"],[Uint16Array,"uint32"],[Float32Array,"float32"]]);class xC{constructor(e){this.backend=e}createAttribute(e,t){const r=this._getBufferAttribute(e),s=this.backend,i=s.get(r);let n=i.buffer;if(void 0===n){const a=s.device;let o=r.array;if(!1===e.normalized)if(o.constructor===Int16Array||o.constructor===Int8Array)o=new Int32Array(o);else if((o.constructor===Uint16Array||o.constructor===Uint8Array)&&(o=new Uint32Array(o),t&GPUBufferUsage.INDEX))for(let e=0;e<o.length;e++)65535===o[e]&&(o[e]=4294967295);if(r.array=o,(r.isStorageBufferAttribute||r.isStorageInstancedBufferAttribute)&&3===r.itemSize){o=new o.constructor(4*r.count);for(let e=0;e<r.count;e++)o.set(r.array.subarray(3*e,3*e+3),4*e);r.itemSize=4,r.array=o,i._force3to4BytesAlignment=!0}const u=o.byteLength,l=u+(4-u%4)%4;n=a.createBuffer({label:r.name,size:l,usage:t,mappedAtCreation:!0}),new o.constructor(n.getMappedRange()).set(o),n.unmap(),i.buffer=n}}updateAttribute(e){const t=this._getBufferAttribute(e),r=this.backend,s=r.device,i=r.get(t),n=r.get(t).buffer;let a=t.array;if(!0===i._force3to4BytesAlignment){a=new a.constructor(4*t.count);for(let e=0;e<t.count;e++)a.set(t.array.subarray(3*e,3*e+3),4*e);t.array=a}const o=t.updateRanges;if(0===o.length)s.queue.writeBuffer(n,0,a,0);else{const e=jr(a),r=e?1:a.BYTES_PER_ELEMENT;for(let t=0,u=o.length;t<u;t++){const u=o[t];let l,d;if(!0===i._force3to4BytesAlignment){l=4*Math.floor(u.start/3)*r,d=4*Math.ceil(u.count/3)*r}else l=u.start*r,d=u.count*r;const c=l*(e?a.BYTES_PER_ELEMENT:1);s.queue.writeBuffer(n,c,a,l,d)}t.clearUpdateRanges()}}createShaderVertexBuffers(e){const t=e.getAttributes(),r=new Map;for(let e=0;e<t.length;e++){const s=t[e],i=s.array.BYTES_PER_ELEMENT,n=this._getBufferAttribute(s);let a=r.get(n);if(void 0===a){let e,t;!0===s.isInterleavedBufferAttribute?(e=s.data.stride*i,t=s.data.isInstancedInterleavedBuffer?Gw:kw):(e=s.itemSize*i,t=s.isInstancedBufferAttribute?Gw:kw),!1!==s.normalized||s.array.constructor!==Int16Array&&s.array.constructor!==Uint16Array||(e=4),a={arrayStride:e,attributes:[],stepMode:t},r.set(n,a)}const o=this._getVertexFormat(s),u=!0===s.isInterleavedBufferAttribute?s.offset*i:0;a.attributes.push({shaderLocation:e,offset:u,format:o})}return Array.from(r.values())}destroyAttribute(e){const t=this.backend;t.get(this._getBufferAttribute(e)).buffer.destroy(),t.delete(e)}async getArrayBufferAsync(e){const t=this.backend,r=t.device,s=t.get(this._getBufferAttribute(e)).buffer,i=s.size,n=r.createBuffer({label:`${e.name}_readback`,size:i,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ}),a=r.createCommandEncoder({label:`readback_encoder_${e.name}`});a.copyBufferToBuffer(s,0,n,0,i);const o=a.finish();r.queue.submit([o]),await n.mapAsync(GPUMapMode.READ);const u=n.getMappedRange(),l=new e.array.constructor(u.slice(0));return n.unmap(),l.buffer}_getVertexFormat(e){const{itemSize:t,normalized:r}=e,s=e.array.constructor,i=e.constructor;let n;if(1===t)n=bC.get(s);else{const e=(yC.get(i)||fC.get(s))[r?1:0];if(e){const r=s.BYTES_PER_ELEMENT*t,i=4*Math.floor((r+3)/4)/s.BYTES_PER_ELEMENT;if(i%1)throw new Error("THREE.WebGPUAttributeUtils: Bad vertex format item size.");n=`${e}x${i}`}}return n||o("WebGPUAttributeUtils: Vertex format not supported yet."),n}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}class TC{constructor(e){this.layoutGPU=e,this.usedTimes=0}}class _C{constructor(e){this.backend=e,this._bindGroupLayoutCache=new Map}createBindingsLayout(e){const t=this.backend,r=t.device,s=t.get(e);if(s.layout)return s.layout.layoutGPU;const i=this._createLayoutEntries(e),n=JSON.stringify(i);let a=this._bindGroupLayoutCache.get(n);return void 0===a&&(a=new TC(r.createBindGroupLayout({entries:i})),this._bindGroupLayoutCache.set(n,a)),a.usedTimes++,s.layout=a,s.layoutKey=n,a.layoutGPU}createBindings(e,t,r,s=0){const{backend:i}=this,n=i.get(e),a=this.createBindingsLayout(e);let o;r>0&&(void 0===n.groups&&(n.groups=[],n.versions=[]),n.versions[r]===s&&(o=n.groups[r])),void 0===o&&(o=this.createBindGroup(e,a),r>0&&(n.groups[r]=o,n.versions[r]=s)),n.group=o}updateBinding(e){const t=this.backend,r=t.device,s=e.buffer,i=t.get(e).buffer,n=e.updateRanges;if(0===n.length)r.queue.writeBuffer(i,0,s,0);else{const e=jr(s),t=e?1:s.BYTES_PER_ELEMENT;for(let a=0,o=n.length;a<o;a++){const o=n[a],u=o.start*t,l=o.count*t,d=u*(e?s.BYTES_PER_ELEMENT:1);r.queue.writeBuffer(i,d,s,u,l)}}}createBindGroupIndex(e,t){const r=this.backend.device,s=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,i=e[0],n=r.createBuffer({label:"bindingCameraIndex_"+i,size:16,usage:s});r.queue.writeBuffer(n,0,e,0);const a=[{binding:0,resource:{buffer:n}}];return r.createBindGroup({label:"bindGroupCameraIndex_"+i,layout:t,entries:a})}createBindGroup(e,t){const r=this.backend,s=r.device;let i=0;const n=[];for(const t of e.bindings){if(t.isUniformBuffer){const e=r.get(t);if(void 0===e.buffer){const r=t.byteLength,i=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,n=[];t.visibility&VR.VERTEX&&n.push("vertex"),t.visibility&VR.FRAGMENT&&n.push("fragment"),t.visibility&VR.COMPUTE&&n.push("compute");const a=`(${n.join(",")})`,o=s.createBuffer({label:`bindingBuffer${t.id}_${t.name}_${a}`,size:r,usage:i});e.buffer=o}n.push({binding:i,resource:{buffer:e.buffer}})}else if(t.isStorageBuffer){const e=r.get(t.attribute).buffer;n.push({binding:i,resource:{buffer:e}})}else if(t.isSampledTexture){const e=r.get(t.texture);let a;if(void 0!==e.externalTexture)a=s.importExternalTexture({source:e.externalTexture});else{const r=t.store?1:e.texture.mipLevelCount,s=t.store?t.mipLevel:0;let i=`view-${e.texture.width}-${e.texture.height}`;if(e.texture.depthOrArrayLayers>1&&(i+=`-${e.texture.depthOrArrayLayers}`),i+=`-${r}-${s}`,a=e[i],void 0===a){const n=Vw;let o;o=t.isSampledCubeTexture?Iw:t.isSampledTexture3D?Ow:t.texture.isArrayTexture||t.texture.isDataArrayTexture||t.texture.isCompressedArrayTexture?Uw:Dw,a=e[i]=e.texture.createView({aspect:n,dimension:o,mipLevelCount:r,baseMipLevel:s})}}n.push({binding:i,resource:a})}else if(t.isSampler){const e=r.get(t.texture);n.push({binding:i,resource:e.sampler})}i++}return s.createBindGroup({label:"bindGroup_"+e.name,layout:t,entries:n})}_createLayoutEntries(e){const t=[];let r=0;for(const s of e.bindings){const e=this.backend,i={binding:r,visibility:s.visibility};if(s.isUniformBuffer||s.isStorageBuffer){const e={};s.isStorageBuffer&&(s.visibility&VR.COMPUTE&&(s.access===ti.READ_WRITE||s.access===ti.WRITE_ONLY)?e.type=_w:e.type=vw),i.buffer=e}else if(s.isSampledTexture&&s.store){const e={};e.format=this.backend.get(s.texture).texture.format;const t=s.access;e.access=t===ti.READ_WRITE?Rw:t===ti.WRITE_ONLY?Nw:Sw,s.texture.isArrayTexture?e.viewDimension=Uw:s.texture.is3DTexture&&(e.viewDimension=Ow),i.storageTexture=e}else if(s.isSampledTexture){const t={},{primarySamples:r}=e.utils.getTextureSampleData(s.texture);if(r>1&&(t.multisampled=!0,s.texture.isDepthTexture||(t.sampleType=Cw)),s.texture.isDepthTexture)e.compatibilityMode&&null===s.texture.compareFunction?t.sampleType=Cw:t.sampleType=Mw;else if(s.texture.isDataTexture||s.texture.isDataArrayTexture||s.texture.isData3DTexture){const e=s.texture.type;e===R?t.sampleType=Bw:e===S?t.sampleType=Fw:e===j&&(this.backend.hasFeature("float32-filterable")?t.sampleType=ww:t.sampleType=Cw)}s.isSampledCubeTexture?t.viewDimension=Iw:s.texture.isArrayTexture||s.texture.isDataArrayTexture||s.texture.isCompressedArrayTexture?t.viewDimension=Uw:s.isSampledTexture3D&&(t.viewDimension=Ow),i.texture=t}else if(s.isSampler){const t={};s.texture.isDepthTexture&&(null!==s.texture.compareFunction&&e.hasCompatibility(E.TEXTURE_COMPARE)?t.type=Aw:t.type=Ew),i.sampler=t}else o(`WebGPUBindingUtils: Unsupported binding "${s}".`);t.push(i),r++}return t}deleteBindGroupData(e){const{backend:t}=this,r=t.get(e);r.layout&&(r.layout.usedTimes--,0===r.layout.usedTimes&&this._bindGroupLayoutCache.delete(r.layoutKey),r.layout=void 0,r.layoutKey=void 0)}dispose(){this._bindGroupLayoutCache.clear()}}class vC{constructor(e){this.backend=e,this._activePipelines=new WeakMap}setPipeline(e,t){this._activePipelines.get(e)!==t&&(e.setPipeline(t),this._activePipelines.set(e,t))}_getSampleCount(e){return this.backend.utils.getSampleCountRenderContext(e)}createRenderPipeline(e,t){const{object:r,material:s,geometry:i,pipeline:n}=e,{vertexProgram:a,fragmentProgram:u}=n,l=this.backend,d=l.device,c=l.utils,h=l.get(n),p=[];for(const t of e.getBindings()){const e=l.get(t),{layoutGPU:r}=e.layout;p.push(r)}const g=l.attributeUtils.createShaderVertexBuffers(e);let m;s.blending===ee||s.blending===ke&&!1===s.transparent||(m=this._getBlending(s));let f={};!0===s.stencilWrite&&(f={compare:this._getStencilCompare(s),failOp:this._getStencilOperation(s.stencilFail),depthFailOp:this._getStencilOperation(s.stencilZFail),passOp:this._getStencilOperation(s.stencilZPass)});const y=this._getColorWriteMask(s),b=[];if(null!==e.context.textures){const t=e.context.textures,r=e.context.mrt;for(let e=0;e<t.length;e++){const s=t[e],i=c.getTextureFormatGPU(s);let n;if(null!==r){const e=r.getBlendMode(s.name);e.blending===We?n=m:e.blending!==ee&&(n=this._getBlending(e))}else n=m;b.push({format:i,blend:n,writeMask:y})}}else{const t=c.getCurrentColorFormat(e.context);b.push({format:t,blend:m,writeMask:y})}const x=l.get(a).module,T=l.get(u).module,_=this._getPrimitiveState(r,i,s),v=this._getDepthCompare(s),N=c.getCurrentDepthStencilFormat(e.context),S=this._getSampleCount(e.context),R={label:`renderPipeline_${s.name||s.type}_${s.id}`,vertex:Object.assign({},x,{buffers:g}),fragment:Object.assign({},T,{targets:b}),primitive:_,multisample:{count:S,alphaToCoverageEnabled:s.alphaToCoverage&&S>1},layout:d.createPipelineLayout({bindGroupLayouts:p})},E={},A=e.context.depth,w=e.context.stencil;if(!0!==A&&!0!==w||(!0===A&&(E.format=N,E.depthWriteEnabled=s.depthWrite,E.depthCompare=v),!0===w&&(E.stencilFront=f,E.stencilBack={},E.stencilReadMask=s.stencilFuncMask,E.stencilWriteMask=s.stencilWriteMask),!0===s.polygonOffset&&(E.depthBias=s.polygonOffsetUnits,E.depthBiasSlopeScale=s.polygonOffsetFactor,E.depthBiasClamp=0),R.depthStencil=E),d.pushErrorScope("validation"),null===t)h.pipeline=d.createRenderPipeline(R),d.popErrorScope().then(e=>{null!==e&&(h.error=!0,o(e.message))});else{const e=new Promise(async e=>{try{h.pipeline=await d.createRenderPipelineAsync(R)}catch(e){}const t=await d.popErrorScope();null!==t&&(h.error=!0,o(t.message)),e()});t.push(e)}}createBundleEncoder(e,t="renderBundleEncoder"){const r=this.backend,{utils:s,device:i}=r,n=s.getCurrentDepthStencilFormat(e),a={label:t,colorFormats:s.getCurrentColorFormats(e),depthStencilFormat:n,sampleCount:this._getSampleCount(e)};return i.createRenderBundleEncoder(a)}createComputePipeline(e,t){const r=this.backend,s=r.device,i=r.get(e.computeProgram).module,n=r.get(e),a=[];for(const e of t){const t=r.get(e),{layoutGPU:s}=t.layout;a.push(s)}n.pipeline=s.createComputePipeline({compute:i,layout:s.createPipelineLayout({bindGroupLayouts:a})})}_getBlending(e){let t,r;const s=e.blending,i=e.blendSrc,n=e.blendDst,a=e.blendEquation;if(s===dt){const s=null!==e.blendSrcAlpha?e.blendSrcAlpha:i,o=null!==e.blendDstAlpha?e.blendDstAlpha:n,u=null!==e.blendEquationAlpha?e.blendEquationAlpha:a;t={srcFactor:this._getBlendFactor(i),dstFactor:this._getBlendFactor(n),operation:this._getBlendOperation(a)},r={srcFactor:this._getBlendFactor(s),dstFactor:this._getBlendFactor(o),operation:this._getBlendOperation(u)}}else{const i=(e,s,i,n)=>{t={srcFactor:e,dstFactor:s,operation:aw},r={srcFactor:i,dstFactor:n,operation:aw}};if(e.premultipliedAlpha)switch(s){case ke:i(XA,ZA,XA,ZA);break;case Wt:i(XA,XA,XA,XA);break;case $t:i(jA,YA,jA,XA);break;case zt:i(JA,ZA,jA,XA)}else switch(s){case ke:i(QA,ZA,XA,ZA);break;case Wt:i(QA,XA,XA,XA);break;case $t:o(`WebGPURenderer: "SubtractiveBlending" requires "${e.isMaterial?"material":"blendMode"}.premultipliedAlpha = true".`);break;case zt:o(`WebGPURenderer: "MultiplyBlending" requires "${e.isMaterial?"material":"blendMode"}.premultipliedAlpha = true".`)}}if(void 0!==t&&void 0!==r)return{color:t,alpha:r};o("WebGPURenderer: Invalid blending: ",s)}_getBlendFactor(e){let t;switch(e){case ct:t=jA;break;case Ot:t=XA;break;case It:t=KA;break;case Lt:t=YA;break;case Ge:t=QA;break;case ze:t=ZA;break;case Dt:t=JA;break;case Ft:t=ew;break;case Pt:t=tw;break;case Bt:t=rw;break;case Ut:t=sw;break;case 211:t=iw;break;case 212:t=nw;break;default:o("WebGPURenderer: Blend factor not supported.",e)}return t}_getStencilCompare(e){let t;const r=e.stencilFunc;switch(r){case ts:t=kR;break;case es:t=jR;break;case Jr:t=GR;break;case Zr:t=$R;break;case Qr:t=zR;break;case Yr:t=qR;break;case Kr:t=WR;break;case Xr:t=HR;break;default:o("WebGPURenderer: Invalid stencil function.",r)}return t}_getStencilOperation(e){let t;switch(e){case ls:t=pw;break;case us:t=gw;break;case os:t=mw;break;case as:t=fw;break;case ns:t=yw;break;case is:t=bw;break;case ss:t=xw;break;case rs:t=Tw;break;default:o("WebGPURenderer: Invalid stencil operation.",t)}return t}_getBlendOperation(e){let t;switch(e){case $e:t=aw;break;case Mt:t=ow;break;case Ct:t=uw;break;case cs:t=lw;break;case ds:t=dw;break;default:o("WebGPUPipelineUtils: Blend equation not supported.",e)}return t}_getPrimitiveState(e,t,r){const s={},i=this.backend.utils;s.topology=i.getPrimitiveTopology(e,r),null!==t.index&&!0===e.isLine&&!0!==e.isLineSegments&&(s.stripIndexFormat=t.index.array instanceof Uint16Array?tE:rE);let n=r.side===M;return e.isMesh&&e.matrixWorld.determinant()<0&&(n=!n),s.frontFace=!0===n?ZR:QR,s.cullMode=r.side===B?JR:eE,s}_getColorWriteMask(e){return!0===e.colorWrite?hw:cw}_getDepthCompare(e){let t;if(!1===e.depthTest)t=jR;else{const r=e.depthFunc;switch(r){case Zt:t=kR;break;case Qt:t=jR;break;case Yt:t=GR;break;case Kt:t=$R;break;case Xt:t=zR;break;case jt:t=qR;break;case qt:t=WR;break;case Ht:t=HR;break;default:o("WebGPUPipelineUtils: Invalid depth function.",r)}}return t}}class NC extends FR{constructor(e,t,r=2048){super(r),this.device=e,this.type=t,this.querySet=this.device.createQuerySet({type:"timestamp",count:this.maxQueries,label:`queryset_global_timestamp_${t}`});const s=8*this.maxQueries;this.resolveBuffer=this.device.createBuffer({label:`buffer_timestamp_resolve_${t}`,size:s,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),this.resultBuffer=this.device.createBuffer({label:`buffer_timestamp_result_${t}`,size:s,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ})}allocateQueriesForContext(e){if(!this.trackTimestamp||this.isDisposed)return null;if(this.currentQueryIndex+2>this.maxQueries)return v(`WebGPUTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryOffsets.set(e,t),t}async resolveQueriesAsync(){if(!this.trackTimestamp||0===this.currentQueryIndex||this.isDisposed)return this.lastValue;if(this.pendingResolve)return this.pendingResolve;this.pendingResolve=this._resolveQueries();try{return await this.pendingResolve}finally{this.pendingResolve=null}}async _resolveQueries(){if(this.isDisposed)return this.lastValue;try{if("unmapped"!==this.resultBuffer.mapState)return this.lastValue;const e=new Map(this.queryOffsets),t=this.currentQueryIndex,r=8*t;this.currentQueryIndex=0,this.queryOffsets.clear();const s=this.device.createCommandEncoder();s.resolveQuerySet(this.querySet,0,t,this.resolveBuffer,0),s.copyBufferToBuffer(this.resolveBuffer,0,this.resultBuffer,0,r);const i=s.finish();if(this.device.queue.submit([i]),"unmapped"!==this.resultBuffer.mapState)return this.lastValue;if(await this.resultBuffer.mapAsync(GPUMapMode.READ,0,r),this.isDisposed)return"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue;const n=new BigUint64Array(this.resultBuffer.getMappedRange(0,r)),a={},o=[];for(const[t,r]of e){const e=t.match(/^(.*):f(\d+)$/),s=parseInt(e[2]);!1===o.includes(s)&&o.push(s),void 0===a[s]&&(a[s]=0);const i=n[r],u=n[r+1],l=Number(u-i)/1e6;this.timestamps.set(t,l),a[s]+=l}const u=a[o[o.length-1]];return this.resultBuffer.unmap(),this.lastValue=u,this.frames=o,u}catch(e){return o("Error resolving queries:",e),"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue}}async dispose(){if(!this.isDisposed){if(this.isDisposed=!0,this.pendingResolve)try{await this.pendingResolve}catch(e){o("Error waiting for pending resolve:",e)}if(this.resultBuffer&&"mapped"===this.resultBuffer.mapState)try{this.resultBuffer.unmap()}catch(e){o("Error unmapping buffer:",e)}this.querySet&&(this.querySet.destroy(),this.querySet=null),this.resolveBuffer&&(this.resolveBuffer.destroy(),this.resolveBuffer=null),this.resultBuffer&&(this.resultBuffer.destroy(),this.resultBuffer=null),this.queryOffsets.clear(),this.pendingResolve=null}}}class SC extends gR{constructor(e={}){super(e),this.isWebGPUBackend=!0,this.parameters.alpha=void 0===e.alpha||e.alpha,this.parameters.requiredLimits=void 0===e.requiredLimits?{}:e.requiredLimits,this.compatibilityMode=null,this.device=null,this.defaultRenderPassdescriptor=null,this.utils=new mC(this),this.attributeUtils=new xC(this),this.bindingUtils=new _C(this),this.pipelineUtils=new vC(this),this.textureUtils=new Qw(this),this.occludedResolveCache=new Map;const t="undefined"==typeof navigator||!1===/Android/.test(navigator.userAgent);this._compatibility={[E.TEXTURE_COMPARE]:t}}async init(e){await super.init(e);const t=this.parameters;let r;if(void 0===t.device){const e={powerPreference:t.powerPreference,featureLevel:"compatibility"},s="undefined"!=typeof navigator?await navigator.gpu.requestAdapter(e):null;if(null===s)throw new Error("WebGPUBackend: Unable to create WebGPU adapter.");const i=Object.values(zw),n=[];for(const e of i)s.features.has(e)&&n.push(e);const a={requiredFeatures:n,requiredLimits:t.requiredLimits};r=await s.requestDevice(a)}else r=t.device;this.compatibilityMode=!r.features.has("core-features-and-limits"),this.compatibilityMode&&(e._samples=0),r.lost.then(t=>{if("destroyed"===t.reason)return;const r={api:"WebGPU",message:t.message||"Unknown reason",reason:t.reason||null,originalEvent:t};e.onDeviceLost(r)}),this.device=r,this.trackTimestamp=this.trackTimestamp&&this.hasFeature(zw.TimestampQuery),this.updateSize()}get context(){const e=this.renderer.getCanvasTarget(),t=this.get(e);let r=t.context;if(void 0===r){const s=this.parameters;r=!0===e.isDefaultCanvasTarget&&void 0!==s.context?s.context:e.domElement.getContext("webgpu"),"setAttribute"in e.domElement&&e.domElement.setAttribute("data-engine",`three.js r${at} webgpu`);const i=s.alpha?"premultiplied":"opaque",n=s.outputType===be?"extended":"standard";r.configure({device:this.device,format:this.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC,alphaMode:i,toneMapping:{mode:n}}),t.context=r}return r}get coordinateSystem(){return h}async getArrayBufferAsync(e){return await this.attributeUtils.getArrayBufferAsync(e)}getContext(){return this.context}_getDefaultRenderPassDescriptor(){const e=this.renderer,t=e.getCanvasTarget(),r=this.get(t),s=e.currentSamples;let i=r.descriptor;if(void 0===i||r.samples!==s){i={colorAttachments:[{view:null}]},!0!==e.depth&&!0!==e.stencil||(i.depthStencilAttachment={view:this.textureUtils.getDepthBuffer(e.depth,e.stencil).createView()});const t=i.colorAttachments[0];s>0?t.view=this.textureUtils.getColorBuffer().createView():t.resolveTarget=void 0,r.descriptor=i,r.samples=s}const n=i.colorAttachments[0];return s>0?n.resolveTarget=this.context.getCurrentTexture().createView():n.view=this.context.getCurrentTexture().createView(),i}_isRenderCameraDepthArray(e){return e.depthTexture&&e.depthTexture.image.depth>1&&e.camera.isArrayCamera}_getRenderPassDescriptor(e,t={}){const r=e.renderTarget,s=this.get(r);let i=s.descriptors;void 0!==i&&s.width===r.width&&s.height===r.height&&s.samples===r.samples||(i={},s.descriptors=i);const n=e.getCacheKey();let a=i[n];if(void 0===a){const t=e.textures,o=[];let u;const l=this._isRenderCameraDepthArray(e);for(let s=0;s<t.length;s++){const i=this.get(t[s]),n={label:`colorAttachment_${s}`,baseMipLevel:e.activeMipmapLevel,mipLevelCount:1,baseArrayLayer:e.activeCubeFace,arrayLayerCount:1,dimension:Dw};if(r.isRenderTarget3D)u=e.activeCubeFace,n.baseArrayLayer=0,n.dimension=Ow,n.depthOrArrayLayers=t[s].image.depth;else if(r.isRenderTarget&&t[s].image.depth>1)if(!0===l){const t=e.camera.cameras;for(let e=0;e<t.length;e++){const t={...n,baseArrayLayer:e,arrayLayerCount:1,dimension:Dw},r=i.texture.createView(t);o.push({view:r,resolveTarget:void 0,depthSlice:void 0})}}else n.dimension=Uw,n.depthOrArrayLayers=t[s].image.depth;if(!0!==l){const e=i.texture.createView(n);let t,r;void 0!==i.msaaTexture?(t=i.msaaTexture.createView(),r=e):(t=e,r=void 0),o.push({view:t,resolveTarget:r,depthSlice:u})}}if(a={textureViews:o},e.depth){const t=this.get(e.depthTexture),r={};(e.depthTexture.isArrayTexture||e.depthTexture.isCubeTexture)&&(r.dimension=Dw,r.arrayLayerCount=1,r.baseArrayLayer=e.activeCubeFace),a.depthStencilView=t.texture.createView(r)}i[n]=a,s.width=r.width,s.height=r.height,s.samples=r.samples,s.activeMipmapLevel=e.activeMipmapLevel,s.activeCubeFace=e.activeCubeFace}const o={colorAttachments:[]};for(let e=0;e<a.textureViews.length;e++){const r=a.textureViews[e];let s={r:0,g:0,b:0,a:1};0===e&&t.clearValue&&(s=t.clearValue),o.colorAttachments.push({view:r.view,depthSlice:r.depthSlice,resolveTarget:r.resolveTarget,loadOp:t.loadOp||KR,storeOp:t.storeOp||XR,clearValue:s})}return a.depthStencilView&&(o.depthStencilAttachment={view:a.depthStencilView}),o}beginRender(e){const t=this.get(e),r=this.device,s=e.occlusionQueryCount;let i,n;s>0&&(t.currentOcclusionQuerySet&&t.currentOcclusionQuerySet.destroy(),t.currentOcclusionQueryBuffer&&t.currentOcclusionQueryBuffer.destroy(),t.currentOcclusionQuerySet=t.occlusionQuerySet,t.currentOcclusionQueryBuffer=t.occlusionQueryBuffer,t.currentOcclusionQueryObjects=t.occlusionQueryObjects,i=r.createQuerySet({type:"occlusion",count:s,label:`occlusionQuerySet_${e.id}`}),t.occlusionQuerySet=i,t.occlusionQueryIndex=0,t.occlusionQueryObjects=new Array(s),t.lastOcclusionObject=null),n=null===e.textures?this._getDefaultRenderPassDescriptor():this._getRenderPassDescriptor(e,{loadOp:KR}),this.initTimestampQuery(At.RENDER,this.getTimestampUID(e),n),n.occlusionQuerySet=i;const a=n.depthStencilAttachment;if(null!==e.textures){const t=n.colorAttachments;for(let r=0;r<t.length;r++){const s=t[r];e.clearColor?(s.clearValue=0===r?e.clearColorValue:{r:0,g:0,b:0,a:1},s.loadOp=YR):s.loadOp=KR,s.storeOp=XR}}else{const t=n.colorAttachments[0];e.clearColor?(t.clearValue=e.clearColorValue,t.loadOp=YR):t.loadOp=KR,t.storeOp=XR}e.depth&&(e.clearDepth?(a.depthClearValue=e.clearDepthValue,a.depthLoadOp=YR):a.depthLoadOp=KR,a.depthStoreOp=XR),e.stencil&&(e.clearStencil?(a.stencilClearValue=e.clearStencilValue,a.stencilLoadOp=YR):a.stencilLoadOp=KR,a.stencilStoreOp=XR);const o=r.createCommandEncoder({label:"renderContext_"+e.id});if(!0===this._isRenderCameraDepthArray(e)){const r=e.camera.cameras;t.layerDescriptors&&t.layerDescriptors.length===r.length?this._updateDepthLayerDescriptors(e,t,r):this._createDepthLayerDescriptors(e,t,n,r),t.bundleEncoders=[],t.bundleSets=[];for(let s=0;s<r.length;s++){const r=this.pipelineUtils.createBundleEncoder(e,"renderBundleArrayCamera_"+s),i={attributes:{},bindingGroups:[],pipeline:null,index:null};t.bundleEncoders.push(r),t.bundleSets.push(i)}t.currentPass=null}else{const r=o.beginRenderPass(n);t.currentPass=r,e.viewport&&this.updateViewport(e),e.scissor&&this.updateScissor(e)}t.descriptor=n,t.encoder=o,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.renderBundles=[]}_createDepthLayerDescriptors(e,t,r,s){const i=r.depthStencilAttachment;t.layerDescriptors=[];const n=this.get(e.depthTexture);n.viewCache||(n.viewCache=[]);for(let a=0;a<s.length;a++){const s={...r,colorAttachments:[{...r.colorAttachments[0],view:r.colorAttachments[a].view}]};if(r.depthStencilAttachment){const t=a;n.viewCache[t]||(n.viewCache[t]=n.texture.createView({dimension:Dw,baseArrayLayer:a,arrayLayerCount:1})),s.depthStencilAttachment={view:n.viewCache[t],depthLoadOp:i.depthLoadOp||YR,depthStoreOp:i.depthStoreOp||XR,depthClearValue:i.depthClearValue||1},e.stencil&&(s.depthStencilAttachment.stencilLoadOp=i.stencilLoadOp,s.depthStencilAttachment.stencilStoreOp=i.stencilStoreOp,s.depthStencilAttachment.stencilClearValue=i.stencilClearValue)}else s.depthStencilAttachment={...i};t.layerDescriptors.push(s)}}_updateDepthLayerDescriptors(e,t,r){for(let s=0;s<r.length;s++){const r=t.layerDescriptors[s];if(r.depthStencilAttachment){const t=r.depthStencilAttachment;e.depth&&(e.clearDepth?(t.depthClearValue=e.clearDepthValue,t.depthLoadOp=YR):t.depthLoadOp=KR),e.stencil&&(e.clearStencil?(t.stencilClearValue=e.clearStencilValue,t.stencilLoadOp=YR):t.stencilLoadOp=KR)}}}finishRender(e){const t=this.get(e),r=e.occlusionQueryCount;t.renderBundles.length>0&&t.currentPass.executeBundles(t.renderBundles),r>t.occlusionQueryIndex&&t.currentPass.endOcclusionQuery();const s=t.encoder;if(!0===this._isRenderCameraDepthArray(e)){const r=[];for(let e=0;e<t.bundleEncoders.length;e++){const s=t.bundleEncoders[e];r.push(s.finish())}for(let i=0;i<t.layerDescriptors.length;i++)if(i<r.length){const n=t.layerDescriptors[i],a=s.beginRenderPass(n);if(e.viewport){const{x:t,y:r,width:s,height:i,minDepth:n,maxDepth:o}=e.viewportValue;a.setViewport(t,r,s,i,n,o)}if(e.scissor){const{x:t,y:r,width:s,height:i}=e.scissorValue;a.setScissorRect(t,r,s,i)}a.executeBundles([r[i]]),a.end()}}else t.currentPass&&t.currentPass.end();if(r>0){const s=8*r;let i=this.occludedResolveCache.get(s);void 0===i&&(i=this.device.createBuffer({size:s,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),this.occludedResolveCache.set(s,i));const n=this.device.createBuffer({size:s,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ});t.encoder.resolveQuerySet(t.occlusionQuerySet,0,r,i,0),t.encoder.copyBufferToBuffer(i,0,n,0,s),t.occlusionQueryBuffer=n,this.resolveOccludedAsync(e)}if(this.device.queue.submit([t.encoder.finish()]),null!==e.textures){const t=e.textures;for(let e=0;e<t.length;e++){const r=t[e];!0===r.generateMipmaps&&this.textureUtils.generateMipmaps(r)}}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}async resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueryBuffer:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueryBuffer=null,await r.mapAsync(GPUMapMode.READ);const i=r.getMappedRange(),n=new BigUint64Array(i);for(let t=0;t<s.length;t++)n[t]===BigInt(0)&&e.add(s[t]);r.destroy(),t.occluded=e}}updateViewport(e){const{currentPass:t}=this.get(e),{x:r,y:s,width:i,height:n,minDepth:a,maxDepth:o}=e.viewportValue;t.setViewport(r,s,i,n,a,o)}updateScissor(e){const{currentPass:t}=this.get(e),{x:r,y:s,width:i,height:n}=e.scissorValue;t.setScissorRect(r,s,i,n)}getClearColor(){const e=super.getClearColor();return!0===this.renderer.alpha&&(e.r*=e.a,e.g*=e.a,e.b*=e.a),e}clear(e,t,r,s=null){const i=this.device,n=this.renderer;let a,o,u,l,d=[];if(e){const e=this.getClearColor();o={r:e.r,g:e.g,b:e.b,a:e.a}}if(null===s){u=n.depth,l=n.stencil;const t=this._getDefaultRenderPassDescriptor();if(e){d=t.colorAttachments;const e=d[0];e.clearValue=o,e.loadOp=YR,e.storeOp=XR}(u||l)&&(a=t.depthStencilAttachment)}else{u=s.depth,l=s.stencil;const i={loadOp:e?YR:KR,clearValue:e?o:void 0};u&&(i.depthLoadOp=t?YR:KR,i.depthClearValue=t?n.getClearDepth():void 0,i.depthStoreOp=XR),l&&(i.stencilLoadOp=r?YR:KR,i.stencilClearValue=r?n.getClearStencil():void 0,i.stencilStoreOp=XR);const c=this._getRenderPassDescriptor(s,i);d=c.colorAttachments,a=c.depthStencilAttachment}u&&a&&(t?(a.depthLoadOp=YR,a.depthClearValue=n.getClearDepth(),a.depthStoreOp=XR):(a.depthLoadOp=KR,a.depthStoreOp=XR)),l&&a&&(r?(a.stencilLoadOp=YR,a.stencilClearValue=n.getClearStencil(),a.stencilStoreOp=XR):(a.stencilLoadOp=KR,a.stencilStoreOp=XR));const c=i.createCommandEncoder({label:"clear"});c.beginRenderPass({colorAttachments:d,depthStencilAttachment:a}).end(),i.queue.submit([c.finish()])}beginCompute(e){const t=this.get(e),r={label:"computeGroup_"+e.id};this.initTimestampQuery(At.COMPUTE,this.getTimestampUID(e),r),t.cmdEncoderGPU=this.device.createCommandEncoder({label:"computeGroup_"+e.id}),t.passEncoderGPU=t.cmdEncoderGPU.beginComputePass(r)}compute(e,t,r,s,i=null){const n=this.get(t),{passEncoderGPU:a}=this.get(e),o=this.get(s).pipeline;this.pipelineUtils.setPipeline(a,o);for(let e=0,t=r.length;e<t;e++){const t=r[e],s=this.get(t);a.setBindGroup(e,s.group)}if(null===i&&(i=t.count),i&&"object"==typeof i&&i.isIndirectStorageBufferAttribute){const e=this.get(i).buffer;return void a.dispatchWorkgroupsIndirect(e,0)}if("number"==typeof i){const e=i;if(void 0===n.dispatchSize||n.count!==e){n.dispatchSize=[0,1,1],n.count=e;const r=t.workgroupSize;let s=r[0];for(let e=1;e<r.length;e++)s*=r[e];const a=Math.ceil(e/s),o=this.device.limits.maxComputeWorkgroupsPerDimension;i=[a,1,1],a>o&&(i[0]=Math.min(a,o),i[1]=Math.ceil(a/o)),n.dispatchSize=i}i=n.dispatchSize}a.dispatchWorkgroups(i[0],i[1]||1,i[2]||1)}finishCompute(e){const t=this.get(e);t.passEncoderGPU.end(),this.device.queue.submit([t.cmdEncoderGPU.finish()])}draw(e,t){const{object:r,material:s,context:i,pipeline:n}=e,a=e.getBindings(),o=this.get(i),u=this.get(n),l=u.pipeline;if(!0===u.error)return;const d=e.getIndex(),c=null!==d,h=e.getDrawParameters();if(null===h)return;const p=(t,r)=>{this.pipelineUtils.setPipeline(t,l),r.pipeline=l;const n=r.bindingGroups;for(let e=0,r=a.length;e<r;e++){const r=a[e],s=this.get(r);n[r.index]!==r.id&&(t.setBindGroup(r.index,s.group),n[r.index]=r.id)}if(!0===c&&r.index!==d){const e=this.get(d).buffer,s=d.array instanceof Uint16Array?tE:rE;t.setIndexBuffer(e,s),r.index=d}const u=e.getVertexBuffers();for(let e=0,s=u.length;e<s;e++){const s=u[e];if(r.attributes[e]!==s){const i=this.get(s).buffer;t.setVertexBuffer(e,i),r.attributes[e]=s}}!0===i.stencil&&!0===s.stencilWrite&&o.currentStencilRef!==s.stencilRef&&(t.setStencilReference(s.stencilRef),o.currentStencilRef=s.stencilRef)},g=(i,n)=>{if(p(i,n),!0===r.isBatchedMesh){const e=r._multiDrawStarts,n=r._multiDrawCounts,a=r._multiDrawCount,o=r._multiDrawInstances;null!==o&&v("WebGPUBackend: renderMultiDrawInstances has been deprecated and will be removed in r184. Append to renderMultiDraw arguments and use indirection.");let u=!0===c?d.array.BYTES_PER_ELEMENT:1;s.wireframe&&(u=r.geometry.attributes.position.count>65535?4:2);for(let s=0;s<a;s++){const a=o?o[s]:1,l=a>1?0:s;!0===c?i.drawIndexed(n[s],a,e[s]/u,0,l):i.draw(n[s],a,e[s],l),t.update(r,n[s],a)}}else if(!0===c){const{vertexCount:s,instanceCount:n,firstVertex:a}=h,o=e.getIndirect();if(null!==o){const t=this.get(o).buffer,r=e.getIndirectOffset(),s=Array.isArray(r)?r:[r];for(let e=0;e<s.length;e++)i.drawIndexedIndirect(t,s[e])}else i.drawIndexed(s,n,a,0,0);t.update(r,s,n)}else{const{vertexCount:s,instanceCount:n,firstVertex:a}=h,o=e.getIndirect();if(null!==o){const t=this.get(o).buffer,r=e.getIndirectOffset(),s=Array.isArray(r)?r:[r];for(let e=0;e<s.length;e++)i.drawIndirect(t,s[e])}else i.draw(s,n,a,0);t.update(r,s,n)}};if(e.camera.isArrayCamera&&e.camera.cameras.length>0){const t=this.get(e.camera),s=e.camera.cameras,n=e.getBindingGroup("cameraIndex");if(void 0===t.indexesGPU||t.indexesGPU.length!==s.length){const e=this.get(n),r=[],i=new Uint32Array([0,0,0,0]);for(let t=0,n=s.length;t<n;t++){i[0]=t;const{layoutGPU:s}=e.layout,n=this.bindingUtils.createBindGroupIndex(i,s);r.push(n)}t.indexesGPU=r}const a=this.renderer.getPixelRatio();for(let e=0,u=s.length;e<u;e++){const u=s[e];if(r.layers.test(u.layers)){const r=u.viewport;let s=o.currentPass,l=o.currentSets;if(o.bundleEncoders){s=o.bundleEncoders[e],l=o.bundleSets[e]}r&&s.setViewport(Math.floor(r.x*a),Math.floor(r.y*a),Math.floor(r.width*a),Math.floor(r.height*a),i.viewportValue.minDepth,i.viewportValue.maxDepth),n&&t.indexesGPU&&(s.setBindGroup(n.index,t.indexesGPU[e]),l.bindingGroups[n.index]=n.id),g(s,l)}}}else if(o.currentPass){if(void 0!==o.occlusionQuerySet){const e=o.lastOcclusionObject;e!==r&&(null!==e&&!0===e.occlusionTest&&(o.currentPass.endOcclusionQuery(),o.occlusionQueryIndex++),!0===r.occlusionTest&&(o.currentPass.beginOcclusionQuery(o.occlusionQueryIndex),o.occlusionQueryObjects[o.occlusionQueryIndex]=r),o.lastOcclusionObject=r)}g(o.currentPass,o.currentSets)}}needsRenderUpdate(e){const t=this.get(e),{object:r,material:s}=e,i=this.utils,n=i.getSampleCountRenderContext(e.context),a=i.getCurrentColorSpace(e.context),o=i.getCurrentColorFormat(e.context),u=i.getCurrentDepthStencilFormat(e.context),l=i.getPrimitiveTopology(r,s);let d=!1;return t.material===s&&t.materialVersion===s.version&&t.transparent===s.transparent&&t.blending===s.blending&&t.premultipliedAlpha===s.premultipliedAlpha&&t.blendSrc===s.blendSrc&&t.blendDst===s.blendDst&&t.blendEquation===s.blendEquation&&t.blendSrcAlpha===s.blendSrcAlpha&&t.blendDstAlpha===s.blendDstAlpha&&t.blendEquationAlpha===s.blendEquationAlpha&&t.colorWrite===s.colorWrite&&t.depthWrite===s.depthWrite&&t.depthTest===s.depthTest&&t.depthFunc===s.depthFunc&&t.stencilWrite===s.stencilWrite&&t.stencilFunc===s.stencilFunc&&t.stencilFail===s.stencilFail&&t.stencilZFail===s.stencilZFail&&t.stencilZPass===s.stencilZPass&&t.stencilFuncMask===s.stencilFuncMask&&t.stencilWriteMask===s.stencilWriteMask&&t.side===s.side&&t.alphaToCoverage===s.alphaToCoverage&&t.sampleCount===n&&t.colorSpace===a&&t.colorFormat===o&&t.depthStencilFormat===u&&t.primitiveTopology===l&&t.clippingContextCacheKey===e.clippingContextCacheKey||(t.material=s,t.materialVersion=s.version,t.transparent=s.transparent,t.blending=s.blending,t.premultipliedAlpha=s.premultipliedAlpha,t.blendSrc=s.blendSrc,t.blendDst=s.blendDst,t.blendEquation=s.blendEquation,t.blendSrcAlpha=s.blendSrcAlpha,t.blendDstAlpha=s.blendDstAlpha,t.blendEquationAlpha=s.blendEquationAlpha,t.colorWrite=s.colorWrite,t.depthWrite=s.depthWrite,t.depthTest=s.depthTest,t.depthFunc=s.depthFunc,t.stencilWrite=s.stencilWrite,t.stencilFunc=s.stencilFunc,t.stencilFail=s.stencilFail,t.stencilZFail=s.stencilZFail,t.stencilZPass=s.stencilZPass,t.stencilFuncMask=s.stencilFuncMask,t.stencilWriteMask=s.stencilWriteMask,t.side=s.side,t.alphaToCoverage=s.alphaToCoverage,t.sampleCount=n,t.colorSpace=a,t.colorFormat=o,t.depthStencilFormat=u,t.primitiveTopology=l,t.clippingContextCacheKey=e.clippingContextCacheKey,d=!0),d}getRenderCacheKey(e){const{object:t,material:r}=e,s=this.utils,i=e.context,n=t.isMesh&&t.matrixWorld.determinant()<0;return[r.transparent,r.blending,r.premultipliedAlpha,r.blendSrc,r.blendDst,r.blendEquation,r.blendSrcAlpha,r.blendDstAlpha,r.blendEquationAlpha,r.colorWrite,r.depthWrite,r.depthTest,r.depthFunc,r.stencilWrite,r.stencilFunc,r.stencilFail,r.stencilZFail,r.stencilZPass,r.stencilFuncMask,r.stencilWriteMask,r.side,n,s.getSampleCountRenderContext(i),s.getCurrentColorSpace(i),s.getCurrentColorFormat(i),s.getCurrentDepthStencilFormat(i),s.getPrimitiveTopology(t,r),e.getGeometryCacheKey(),e.clippingContextCacheKey].join()}updateSampler(e){return this.textureUtils.updateSampler(e)}createDefaultTexture(e){return this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e,t=!1){this.textureUtils.destroyTexture(e,t)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}initTimestampQuery(e,t,r){if(!this.trackTimestamp)return;this.timestampQueryPool[e]||(this.timestampQueryPool[e]=new NC(this.device,e,2048));const s=this.timestampQueryPool[e],i=s.allocateQueriesForContext(t);r.timestampWrites={querySet:s.querySet,beginningOfPassWriteIndex:i,endOfPassWriteIndex:i+1}}createNodeBuilder(e,t){return new gC(e,t)}createProgram(e){this.get(e).module={module:this.device.createShaderModule({code:e.code,label:e.stage+(""!==e.name?`_${e.name}`:"")}),entryPoint:"main"}}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){this.pipelineUtils.createRenderPipeline(e,t)}createComputePipeline(e,t){this.pipelineUtils.createComputePipeline(e,t)}beginBundle(e){const t=this.get(e);t._currentPass=t.currentPass,t._currentSets=t.currentSets,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.currentPass=this.pipelineUtils.createBundleEncoder(e)}finishBundle(e,t){const r=this.get(e),s=r.currentPass.finish();this.get(t).bundleGPU=s,r.currentSets=r._currentSets,r.currentPass=r._currentPass}addBundle(e,t){this.get(e).renderBundles.push(this.get(t).bundleGPU)}createBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBinding(e){this.bindingUtils.updateBinding(e)}deleteBindGroupData(e){this.bindingUtils.deleteBindGroupData(e)}createIndexAttribute(e){let t=GPUBufferUsage.INDEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST;(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(t|=GPUBufferUsage.STORAGE),this.attributeUtils.createAttribute(e,t)}createAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createIndirectStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.INDIRECT|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}updateSize(){this.delete(this.renderer.getCanvasTarget())}getMaxAnisotropy(){return 16}hasFeature(e){return void 0!==$w[e]&&(e=$w[e]),this.device.features.has(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){let a=0,o=0,u=0,l=0,d=0,c=0,h=e.image.width,p=e.image.height,g=1;null!==r&&(!0===r.isBox3?(l=r.min.x,d=r.min.y,c=r.min.z,h=r.max.x-r.min.x,p=r.max.y-r.min.y,g=r.max.z-r.min.z):(l=r.min.x,d=r.min.y,h=r.max.x-r.min.x,p=r.max.y-r.min.y,g=1)),null!==s&&(a=s.x,o=s.y,u=s.z||0);const m=this.device.createCommandEncoder({label:"copyTextureToTexture_"+e.id+"_"+t.id}),f=this.get(e).texture,y=this.get(t).texture;m.copyTextureToTexture({texture:f,mipLevel:i,origin:{x:l,y:d,z:c}},{texture:y,mipLevel:n,origin:{x:a,y:o,z:u}},[h,p,g]),this.device.queue.submit([m.finish()]),0===n&&t.generateMipmaps&&this.textureUtils.generateMipmaps(t)}copyFramebufferToTexture(e,t,r){const s=this.get(t);let i=null;i=t.renderTarget?e.isDepthTexture?this.get(t.depthTexture).texture:this.get(t.textures[0]).texture:e.isDepthTexture?this.textureUtils.getDepthBuffer(t.depth,t.stencil):this.context.getCurrentTexture();const n=this.get(e).texture;if(i.format!==n.format)return void o("WebGPUBackend: copyFramebufferToTexture: Source and destination formats do not match.",i.format,n.format);let a;if(s.currentPass?(s.currentPass.end(),a=s.encoder):a=this.device.createCommandEncoder({label:"copyFramebufferToTexture_"+e.id}),a.copyTextureToTexture({texture:i,origin:[r.x,r.y,0]},{texture:n},[r.z,r.w]),e.generateMipmaps&&this.textureUtils.generateMipmaps(e,a),s.currentPass){const{descriptor:e}=s;for(let t=0;t<e.colorAttachments.length;t++)e.colorAttachments[t].loadOp=KR;t.depth&&(e.depthStencilAttachment.depthLoadOp=KR),t.stencil&&(e.depthStencilAttachment.stencilLoadOp=KR),s.currentPass=a.beginRenderPass(e),s.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.viewport&&this.updateViewport(t),t.scissor&&this.updateScissor(t)}else this.device.queue.submit([a.finish()])}hasCompatibility(e){return void 0!==this._compatibility[E.TEXTURE_COMPARE]?this._compatibility[E.TEXTURE_COMPARE]:super.hasCompatibility(e)}dispose(){if(this.bindingUtils.dispose(),this.textureUtils.dispose(),this.occludedResolveCache){for(const e of this.occludedResolveCache.values())e.destroy();this.occludedResolveCache.clear()}if(this.timestampQueryPool)for(const e of Object.values(this.timestampQueryPool))null!==e&&e.dispose();void 0===this.parameters.device&&null!==this.device&&this.device.destroy()}}class RC extends hs{constructor(e,t,r,s,i,n){super(e,t,r,s,i,n),this.iesMap=null}copy(e,t){return super.copy(e,t),this.iesMap=e.iesMap,this}}class EC extends hs{constructor(e,t,r,s,i,n){super(e,t,r,s,i,n),this.aspect=null}copy(e,t){return super.copy(e,t),this.aspect=e.aspect,this}}class AC extends TS{constructor(){super(),this.addLight(dv,ps),this.addLight(jN,gs),this.addLight(sS,ms),this.addLight(KN,hs),this.addLight(qN,fs),this.addLight(XN,ys),this.addLight(QN,bs),this.addLight(YN,RC),this.addLight(JN,EC),this.addToneMapping(Jx,xs),this.addToneMapping(eT,Ts),this.addToneMapping(tT,_s),this.addToneMapping(sT,vs),this.addToneMapping(oT,Ns),this.addToneMapping(uT,Ss)}}class wC extends $S{constructor(e={}){let t;e.forceWebGL?t=PR:(t=SC,e.getFallback=()=>(d("WebGPURenderer: WebGPU is not available, running under WebGL2 backend."),new PR(e)));super(new t(e),e),this.library=new AC,this.isWebGPURenderer=!0}}class CC extends Rs{constructor(){super(),this.isBundleGroup=!0,this.type="BundleGroup",this.static=!0,this.version=0}set needsUpdate(e){!0===e&&this.version++}}class MC{constructor(e,t=En(0,0,1,1)){this.renderer=e,this.outputNode=t,this.outputColorTransform=!0,this.needsUpdate=!0;const r=new pg;r.name="RenderPipeline",this._quadMesh=new ax(r),this._quadMesh.name="Render Pipeline",this._context=null}render(){const e=this.renderer;this._update(),null!==this._context.onBeforeRenderPipeline&&this._context.onBeforeRenderPipeline();const t=e.toneMapping,r=e.outputColorSpace;e.toneMapping=m,e.outputColorSpace=p.workingColorSpace;const s=e.xr.enabled;e.xr.enabled=!1,this._quadMesh.render(e),e.xr.enabled=s,e.toneMapping=t,e.outputColorSpace=r,null!==this._context.onAfterRenderPipeline&&this._context.onAfterRenderPipeline()}get context(){return this._context}dispose(){this._quadMesh.material.dispose()}_update(){if(!0===this.needsUpdate){const e=this.renderer,t=e.toneMapping,r=e.outputColorSpace,s={renderPipeline:this,onBeforeRenderPipeline:null,onAfterRenderPipeline:null};let i=this.outputNode;!0===this.outputColorTransform?(i=i.context(s),i=yl(i,t,r)):(s.toneMapping=t,s.outputColorSpace=r,i=i.context(s)),this._context=s,this._quadMesh.material.fragmentNode=i,this._quadMesh.material.needsUpdate=!0,this.needsUpdate=!1}}async renderAsync(){v('RenderPipeline: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await this.renderer.init(),this.render()}}class BC extends MC{constructor(e,t){v('PostProcessing: "PostProcessing" has been renamed to "RenderPipeline". Please update your code to use "THREE.RenderPipeline" instead.'),super(e,t)}}class FC extends N{constructor(e=1,t=1){super(),this.image={width:e,height:t},this.magFilter=oe,this.minFilter=oe,this.isStorageTexture=!0,this.mipmapsAutoUpdate=!0}setSize(e,t){this.image.width===e&&this.image.height===t||(this.image.width=e,this.image.height=t,this.dispose())}}class LC extends xx{constructor(e,t){super(e,t,Uint32Array),this.isIndirectStorageBufferAttribute=!0}}class PC extends Es{constructor(e){super(e),this.textures={},this.nodes={}}load(e,t,r,s){const i=new As(this.manager);i.setPath(this.path),i.setRequestHeader(this.requestHeader),i.setWithCredentials(this.withCredentials),i.load(e,r=>{try{t(this.parse(JSON.parse(r)))}catch(t){s?s(t):o(t),this.manager.itemError(e)}},r,s)}parseNodes(e){const t={};if(void 0!==e){for(const r of e){const{uuid:e,type:s}=r;t[e]=this.createNodeFromType(s),t[e].uuid=e}const r={nodes:t,textures:this.textures};for(const s of e){s.meta=r;t[s.uuid].deserialize(s),delete s.meta}}return t}parse(e){const t=this.createNodeFromType(e.type);t.uuid=e.uuid;const r={nodes:this.parseNodes(e.nodes),textures:this.textures};return e.meta=r,t.deserialize(e),delete e.meta,t}setTextures(e){return this.textures=e,this}setNodes(e){return this.nodes=e,this}createNodeFromType(e){return void 0===this.nodes[e]?(o("NodeLoader: Node type not found:",e),gn()):new this.nodes[e]}}class DC extends ws{constructor(e){super(e),this.nodes={},this.nodeMaterials={}}parse(e){const t=super.parse(e),r=this.nodes,s=e.inputNodes;for(const e in s){const i=s[e];t[e]=r[i]}return t}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}createMaterialFromType(e){const t=this.nodeMaterials[e];return void 0!==t?new t:super.createMaterialFromType(e)}}class UC extends Cs{constructor(e){super(e),this.nodes={},this.nodeMaterials={},this._nodesJSON=null}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}parse(e,t){this._nodesJSON=e.nodes;const r=super.parse(e,t);return this._nodesJSON=null,r}parseNodes(e,t){if(void 0!==e){const r=new PC;return r.setNodes(this.nodes),r.setTextures(t),r.parseNodes(e)}return{}}parseMaterials(e,t){const r={};if(void 0!==e){const s=this.parseNodes(this._nodesJSON,t),i=new DC;i.setTextures(t),i.setNodes(s),i.setNodeMaterials(this.nodeMaterials);for(let t=0,s=e.length;t<s;t++){const s=e[t];r[s.uuid]=i.parse(s)}}return r}}class IC extends Rs{constructor(){super(),this.isClippingGroup=!0,this.clippingPlanes=[],this.enabled=!0,this.clipIntersection=!1,this.clipShadows=!1}}export{vs as ACESFilmicToneMapping,Fp as AONode,$e as AddEquation,ce as AddOperation,Wt as AdditiveBlending,Ns as AgXToneMapping,sr as AlphaFormat,$r as AlwaysCompare,Qt as AlwaysDepth,es as AlwaysStencilFunc,fs as AmbientLight,qN as AmbientLightNode,ov as AnalyticLightNode,ot as ArrayCamera,li as ArrayElementNode,va as ArrayNode,Sa as AssignNode,LT as AtomicFunctionNode,Nl as AttributeNode,M as BackSide,CT as BarrierNode,Cg as BasicEnvironmentNode,Mg as BasicLightMapNode,et as BasicShadowMap,bp as BatchNode,ub as BitcastNode,hb as BitcountNode,rb as BlendMode,ie as BoxGeometry,Ee as BufferAttribute,Qu as BufferAttributeNode,Te as BufferGeometry,Ul as BufferNode,Gl as BuiltinNode,gh as BumpMapNode,CC as BundleGroup,ul as BypassNode,_t as ByteType,PS as CanvasTarget,_s as CineonToneMapping,xe as ClampToEdgeWrapping,IC as ClippingGroup,eg as ClippingNode,lT as CodeNode,e as Color,p as ColorManagement,Vu as ColorSpaceNode,E as Compatibility,vT as ComputeBuiltinNode,rl as ComputeNode,yu as ConditionalNode,xi as ConstNode,xu as ContextNode,di as ConvertNode,ue as CubeCamera,tt as CubeDepthTexture,Rg as CubeMapNode,P as CubeReflectionMapping,D as CubeRefractionMapping,L as CubeTexture,Ac as CubeTextureNode,Re as CubeUVReflectionMapping,kt as CullFaceBack,Gt as CullFaceFront,Vt as CullFaceNone,dt as CustomBlending,ht as CylinderGeometry,q as DataArrayTexture,ye as DataTexture,bl as DebugNode,is as DecrementStencilOp,rs as DecrementWrapStencilOp,Ie as DepthFormat,Ue as DepthStencilFormat,Y as DepthTexture,gs as DirectionalLight,jN as DirectionalLightNode,B as DoubleSide,Pt as DstAlphaFactor,Dt as DstColorFactor,x as DynamicDrawUsage,Lf as EnvironmentNode,zr as EqualCompare,Xt as EqualDepth,Qr as EqualStencilFunc,le as EquirectangularReflectionMapping,de as EquirectangularRefractionMapping,F as Euler,u as EventDispatcher,fx as EventNode,pl as ExpressionNode,As as FileLoader,fi as FlipNode,nt as Float16BufferAttribute,Xe as Float32BufferAttribute,j as FloatType,X as FramebufferTexture,ec as FrontFacingNode,lt as FrontSide,yt as Frustum,ft as FrustumArray,Ea as FunctionCallNode,cT as FunctionNode,Cb as FunctionOverloadingNode,dS as GLSLNodeParser,kr as GreaterCompare,qt as GreaterDepth,Gr as GreaterEqualCompare,jt as GreaterEqualDepth,Yr as GreaterEqualStencilFunc,Kr as GreaterStencilFunc,Rs as Group,be as HalfFloatType,ys as HemisphereLight,XN as HemisphereLightNode,RC as IESSpotLight,YN as IESSpotLightNode,ns as IncrementStencilOp,ss as IncrementWrapStencilOp,op as IndexNode,LC as IndirectStorageBufferAttribute,yi as InputNode,Tl as InspectorBase,_l as InspectorNode,gp as InstanceNode,W as InstancedBufferAttribute,H as InstancedInterleavedBuffer,fp as InstancedMeshNode,R as IntType,b as InterleavedBuffer,y as InterleavedBufferAttribute,as as InvertStencilOp,Dp as IrradianceNode,nl as IsolateNode,hi as JoinNode,ls as KeepStencilOp,A as LessCompare,Yt as LessDepth,Qe as LessEqualCompare,Kt as LessEqualDepth,Zr as LessEqualStencilFunc,Jr as LessStencilFunc,bs as LightProbe,QN as LightProbeNode,NS as Lighting,Lp as LightingContextNode,Bg as LightingModel,Bp as LightingNode,x_ as LightsNode,xg as Line2NodeMaterial,Z as LineBasicMaterial,mg as LineBasicNodeMaterial,J as LineDashedMaterial,yg as LineDashedNodeMaterial,oe as LinearFilter,je as LinearMipMapLinearFilter,K as LinearMipmapLinearFilter,st as LinearMipmapNearestFilter,Ne as LinearSRGBColorSpace,xs as LinearToneMapping,Hr as LinearTransfer,Es as Loader,Np as LoopNode,ab as MRTNode,Q as Material,We as MaterialBlending,ws as MaterialLoader,yh as MaterialNode,Pc as MaterialReferenceNode,ro as MathNode,l as MathUtils,i as Matrix2,n as Matrix3,a as Matrix4,ds as MaxEquation,wl as MaxMipLevelNode,Ti as MemberNode,ne as Mesh,ge as MeshBasicMaterial,Pg as MeshBasicNodeMaterial,me as MeshLambertMaterial,Gg as MeshLambertNodeMaterial,Me as MeshMatcapMaterial,Xf as MeshMatcapNodeMaterial,te as MeshNormalMaterial,_g as MeshNormalNodeMaterial,fe as MeshPhongMaterial,$g as MeshPhongNodeMaterial,we as MeshPhysicalMaterial,Vf as MeshPhysicalNodeMaterial,Gf as MeshSSSNodeMaterial,Ae as MeshStandardMaterial,If as MeshStandardNodeMaterial,Ce as MeshToonMaterial,Hf as MeshToonNodeMaterial,cs as MinEquation,Ur as MirroredRepeatWrapping,he as MixOperation,Ld as ModelNode,Cp as MorphNode,zt as MultiplyBlending,pe as MultiplyOperation,w as NearestFilter,it as NearestMipmapLinearFilter,Or as NearestMipmapNearestFilter,Ss as NeutralToneMapping,Wr as NeverCompare,Zt as NeverDepth,ts as NeverStencilFunc,ee as NoBlending,T as NoColorSpace,I as NoNormalPacking,m as NoToneMapping,ui as Node,ti as NodeAccess,pN as NodeAttribute,$N as NodeBuilder,xN as NodeCache,yN as NodeCode,Ml as NodeError,WN as NodeFrame,HN as NodeFunctionInput,PC as NodeLoader,pg as NodeMaterial,DC as NodeMaterialLoader,Fs as NodeMaterialObserver,UC as NodeObjectLoader,Zs as NodeShaderStage,ei as NodeType,gN as NodeUniform,Js as NodeUpdateType,Qs as NodeUtils,mN as NodeVar,fN as NodeVarying,ke as NormalBlending,V as NormalGAPacking,dh as NormalMapNode,O as NormalRGPacking,Vr as NotEqualCompare,Ht as NotEqualDepth,Xr as NotEqualStencilFunc,qe as Object3D,Ed as Object3DNode,Cs as ObjectLoader,k as ObjectSpaceNormalMap,Ot as OneFactor,Bt as OneMinusDstAlphaFactor,Ft as OneMinusDstColorFactor,ze as OneMinusSrcAlphaFactor,Lt as OneMinusSrcColorFactor,Ca as OperatorNode,_e as OrthographicCamera,eb as OutputStructNode,Ze as PCFShadowMap,Je as PCFSoftShadowMap,vf as PMREMGenerator,Mf as PMREMNode,bb as PackFloatNode,Ky as ParameterNode,Qx as PassNode,ve as PerspectiveCamera,Vg as PhongLightingModel,Im as PhysicalLightingModel,He as Plane,ut as PlaneGeometry,ps as PointLight,dv as PointLightNode,nv as PointShadowNode,Tx as PointUVNode,Fe as PointsMaterial,ty as PointsNodeMaterial,BC as PostProcessing,EC as ProjectorLight,JN as ProjectorLightNode,Dn as PropertyNode,ax as QuadMesh,pt as Quaternion,mr as R11_EAC_Format,z as RED_GREEN_RGTC2_Format,Lr as RED_RGTC1_Format,at as REVISION,$ as RG11_EAC_Format,Se as RGBAFormat,Et as RGBAIntegerFormat,Cr as RGBA_ASTC_10x10_Format,Er as RGBA_ASTC_10x5_Format,Ar as RGBA_ASTC_10x6_Format,wr as RGBA_ASTC_10x8_Format,Mr as RGBA_ASTC_12x10_Format,Br as RGBA_ASTC_12x12_Format,br as RGBA_ASTC_4x4_Format,xr as RGBA_ASTC_5x4_Format,Tr as RGBA_ASTC_5x5_Format,_r as RGBA_ASTC_6x5_Format,vr as RGBA_ASTC_6x6_Format,Nr as RGBA_ASTC_8x5_Format,Sr as RGBA_ASTC_8x6_Format,Rr as RGBA_ASTC_8x8_Format,Fr as RGBA_BPTC_Format,gr as RGBA_ETC2_EAC_Format,cr as RGBA_PVRTC_2BPPV1_Format,dr as RGBA_PVRTC_4BPPV1_Format,nr as RGBA_S3TC_DXT1_Format,ar as RGBA_S3TC_DXT3_Format,or as RGBA_S3TC_DXT5_Format,Rt as RGBFormat,St as RGBIntegerFormat,hr as RGB_ETC1_Format,pr as RGB_ETC2_Format,lr as RGB_PVRTC_2BPPV1_Format,ur as RGB_PVRTC_4BPPV1_Format,ir as RGB_S3TC_DXT1_Format,G as RGFormat,Nt as RGIntegerFormat,ux as RTTNode,TT as RangeNode,ms as RectAreaLight,sS as RectAreaLightNode,xt as RedFormat,bt as RedIntegerFormat,$u as ReferenceBaseNode,Bc as ReferenceNode,tx as ReflectorNode,Ts as ReinhardToneMapping,dl as RemapNode,fl as RenderOutputNode,MC as RenderPipeline,se as RenderTarget,Wu as RendererReferenceNode,M_ as RendererUtils,Ir as RepeatWrapping,os as ReplaceStencilOp,Ct as ReverseSubtractEquation,Kf as RotateNode,fr as SIGNED_R11_EAC_Format,Dr as SIGNED_RED_GREEN_RGTC2_Format,Pr as SIGNED_RED_RGTC1_Format,yr as SIGNED_RG11_EAC_Format,re as SRGBColorSpace,g as SRGBTransfer,mx as SampleNode,ae as Scene,Hl as ScreenNode,mi as SetNode,T_ as ShadowBaseNode,Le as ShadowMaterial,q_ as ShadowNode,ny as ShadowNodeMaterial,Tt as ShortType,_p as SkinningNode,C as Sphere,rt as SphereGeometry,gi as SplitNode,hs as SpotLight,KN as SpotLightNode,Be as SpriteMaterial,Zf as SpriteNodeMaterial,Ge as SrcAlphaFactor,Ut as SrcAlphaSaturateFactor,It as SrcColorFactor,Yy as StackNode,Ps as StackTrace,f as StaticDrawUsage,sp as StorageArrayElementNode,xx as StorageBufferAttribute,np as StorageBufferNode,bx as StorageInstancedBufferAttribute,FC as StorageTexture,Ax as StorageTextureNode,Jy as StructNode,Zy as StructTypeNode,Bu as SubBuildNode,UT as SubgroupFunctionNode,Mt as SubtractEquation,$t as SubtractiveBlending,oN as TSL,U as TangentSpaceNormalMap,ci as TempNode,N as Texture,Mx as Texture3DNode,Fl as TextureNode,El as TextureSizeNode,At as TimestampQuery,qu as ToneMappingNode,Zx as ToonOutlinePassNode,Ke as UVMapping,De as Uint16BufferAttribute,Pe as Uint32BufferAttribute,Vl as UniformArrayNode,ga as UniformGroupNode,Ta as UniformNode,vb as UnpackFloatNode,Ve as UnsignedByteType,rr as UnsignedInt101111Type,Oe as UnsignedInt248Type,tr as UnsignedInt5999Type,S as UnsignedIntType,Jt as UnsignedShort4444Type,er as UnsignedShort5551Type,vt as UnsignedShortType,Fx as UserDataNode,Ye as VSMShadowMap,Eu as VarNode,Lu as VaryingNode,t as Vector2,r as Vector3,s as Vector4,Px as VelocityNode,ig as VertexColorNode,Hp as ViewportDepthNode,$p as ViewportDepthTextureNode,qx as ViewportSharedTextureNode,Ip as ViewportTextureNode,dy as VolumeNodeMaterial,c as WebGLCoordinateSystem,h as WebGPUCoordinateSystem,wC as WebGPURenderer,gt as WebXRController,FT as WorkgroupInfoNode,ct as ZeroFactor,us as ZeroStencilOp,wt as createCanvasElement,si as defaultBuildStages,ri as defaultShaderStages,o as error,_ as log,ii as shaderStages,ni as vectorComponents,d as warn,v as warnOnce};
+import{Color as e,Vector2 as t,Vector3 as r,Vector4 as s,Matrix2 as i,Matrix3 as n,Matrix4 as a,error as o,EventDispatcher as u,MathUtils as l,warn as d,WebGLCoordinateSystem as c,WebGPUCoordinateSystem as h,ColorManagement as p,SRGBTransfer as g,NoToneMapping as m,StaticDrawUsage as f,InterleavedBufferAttribute as y,InterleavedBuffer as b,DynamicDrawUsage as x,NoColorSpace as T,log as _,warnOnce as v,Texture as N,UnsignedIntType as S,IntType as R,Compatibility as E,LessCompare as A,NearestFilter as w,Sphere as C,BackSide as M,DoubleSide as B,Euler as F,CubeTexture as L,CubeReflectionMapping as P,CubeRefractionMapping as D,TangentSpaceNormalMap as U,NoNormalPacking as I,NormalRGPacking as O,NormalGAPacking as V,ObjectSpaceNormalMap as k,RGFormat as G,RED_GREEN_RGTC2_Format as z,RG11_EAC_Format as $,InstancedBufferAttribute as W,InstancedInterleavedBuffer as H,DataArrayTexture as q,FloatType as j,FramebufferTexture as X,LinearMipmapLinearFilter as K,DepthTexture as Y,Material as Q,LineBasicMaterial as Z,LineDashedMaterial as J,NoBlending as ee,MeshNormalMaterial as te,SRGBColorSpace as re,RenderTarget as se,BoxGeometry as ie,Mesh as ne,Scene as ae,LinearFilter as oe,CubeCamera as ue,EquirectangularReflectionMapping as le,EquirectangularRefractionMapping as de,AddOperation as ce,MixOperation as he,MultiplyOperation as pe,MeshBasicMaterial as ge,MeshLambertMaterial as me,MeshPhongMaterial as fe,DataTexture as ye,HalfFloatType as be,ClampToEdgeWrapping as xe,BufferGeometry as Te,OrthographicCamera as _e,PerspectiveCamera as ve,LinearSRGBColorSpace as Ne,RGBAFormat as Se,CubeUVReflectionMapping as Re,BufferAttribute as Ee,MeshStandardMaterial as Ae,MeshPhysicalMaterial as we,MeshToonMaterial as Ce,MeshMatcapMaterial as Me,SpriteMaterial as Be,PointsMaterial as Fe,ShadowMaterial as Le,Uint32BufferAttribute as Pe,Uint16BufferAttribute as De,DepthStencilFormat as Ue,DepthFormat as Ie,UnsignedInt248Type as Oe,UnsignedByteType as Ve,NormalBlending as ke,SrcAlphaFactor as Ge,OneMinusSrcAlphaFactor as ze,AddEquation as $e,MaterialBlending as We,Plane as He,Object3D as qe,LinearMipMapLinearFilter as je,Float32BufferAttribute as Xe,UVMapping as Ke,VSMShadowMap as Ye,GreaterEqualCompare as Qe,LessEqualCompare as Ze,PCFShadowMap as Je,PCFSoftShadowMap as et,BasicShadowMap as tt,CubeDepthTexture as rt,SphereGeometry as st,LinearMipmapNearestFilter as it,NearestMipmapLinearFilter as nt,Float16BufferAttribute as at,REVISION as ot,ArrayCamera as ut,PlaneGeometry as lt,FrontSide as dt,CustomBlending as ct,ZeroFactor as ht,CylinderGeometry as pt,Quaternion as gt,WebXRController as mt,RAD2DEG as ft,FrustumArray as yt,Frustum as bt,RedIntegerFormat as xt,RedFormat as Tt,ShortType as _t,ByteType as vt,UnsignedShortType as Nt,RGIntegerFormat as St,RGBIntegerFormat as Rt,RGBFormat as Et,RGBAIntegerFormat as At,TimestampQuery as wt,createCanvasElement as Ct,ReverseSubtractEquation as Mt,SubtractEquation as Bt,OneMinusDstAlphaFactor as Ft,OneMinusDstColorFactor as Lt,OneMinusSrcColorFactor as Pt,DstAlphaFactor as Dt,DstColorFactor as Ut,SrcAlphaSaturateFactor as It,SrcColorFactor as Ot,OneFactor as Vt,CullFaceNone as kt,CullFaceBack as Gt,CullFaceFront as zt,MultiplyBlending as $t,SubtractiveBlending as Wt,AdditiveBlending as Ht,NotEqualDepth as qt,GreaterDepth as jt,GreaterEqualDepth as Xt,EqualDepth as Kt,LessEqualDepth as Yt,LessDepth as Qt,AlwaysDepth as Zt,NeverDepth as Jt,ReversedDepthFuncs as er,UnsignedShort4444Type as tr,UnsignedShort5551Type as rr,UnsignedInt5999Type as sr,UnsignedInt101111Type as ir,AlphaFormat as nr,RGB_S3TC_DXT1_Format as ar,RGBA_S3TC_DXT1_Format as or,RGBA_S3TC_DXT3_Format as ur,RGBA_S3TC_DXT5_Format as lr,RGB_PVRTC_4BPPV1_Format as dr,RGB_PVRTC_2BPPV1_Format as cr,RGBA_PVRTC_4BPPV1_Format as hr,RGBA_PVRTC_2BPPV1_Format as pr,RGB_ETC1_Format as gr,RGB_ETC2_Format as mr,RGBA_ETC2_EAC_Format as fr,R11_EAC_Format as yr,SIGNED_R11_EAC_Format as br,SIGNED_RG11_EAC_Format as xr,RGBA_ASTC_4x4_Format as Tr,RGBA_ASTC_5x4_Format as _r,RGBA_ASTC_5x5_Format as vr,RGBA_ASTC_6x5_Format as Nr,RGBA_ASTC_6x6_Format as Sr,RGBA_ASTC_8x5_Format as Rr,RGBA_ASTC_8x6_Format as Er,RGBA_ASTC_8x8_Format as Ar,RGBA_ASTC_10x5_Format as wr,RGBA_ASTC_10x6_Format as Cr,RGBA_ASTC_10x8_Format as Mr,RGBA_ASTC_10x10_Format as Br,RGBA_ASTC_12x10_Format as Fr,RGBA_ASTC_12x12_Format as Lr,RGBA_BPTC_Format as Pr,RED_RGTC1_Format as Dr,SIGNED_RED_RGTC1_Format as Ur,SIGNED_RED_GREEN_RGTC2_Format as Ir,MirroredRepeatWrapping as Or,RepeatWrapping as Vr,NearestMipmapNearestFilter as kr,NotEqualCompare as Gr,GreaterCompare as zr,EqualCompare as $r,AlwaysCompare as Wr,NeverCompare as Hr,LinearTransfer as qr,getByteLength as jr,isTypedArray as Xr,NotEqualStencilFunc as Kr,GreaterStencilFunc as Yr,GreaterEqualStencilFunc as Qr,EqualStencilFunc as Zr,LessEqualStencilFunc as Jr,LessStencilFunc as es,AlwaysStencilFunc as ts,NeverStencilFunc as rs,DecrementWrapStencilOp as ss,IncrementWrapStencilOp as is,DecrementStencilOp as ns,IncrementStencilOp as as,InvertStencilOp as os,ReplaceStencilOp as us,ZeroStencilOp as ls,KeepStencilOp as ds,MaxEquation as cs,MinEquation as hs,SpotLight as ps,PointLight as gs,DirectionalLight as ms,RectAreaLight as fs,AmbientLight as ys,HemisphereLight as bs,LightProbe as xs,LinearToneMapping as Ts,ReinhardToneMapping as _s,CineonToneMapping as vs,ACESFilmicToneMapping as Ns,AgXToneMapping as Ss,NeutralToneMapping as Rs,Group as Es,Loader as As,FileLoader as ws,MaterialLoader as Cs,ObjectLoader as Ms}from"./three.core.min.js";export{AdditiveAnimationBlendMode,AnimationAction,AnimationClip,AnimationLoader,AnimationMixer,AnimationObjectGroup,AnimationUtils,ArcCurve,ArrowHelper,AttachedBindMode,Audio,AudioAnalyser,AudioContext,AudioListener,AudioLoader,AxesHelper,BasicDepthPacking,BatchedMesh,BezierInterpolant,Bone,BooleanKeyframeTrack,Box2,Box3,Box3Helper,BoxHelper,BufferGeometryLoader,Cache,Camera,CameraHelper,CanvasTexture,CapsuleGeometry,CatmullRomCurve3,CircleGeometry,Clock,ColorKeyframeTrack,CompressedArrayTexture,CompressedCubeTexture,CompressedTexture,CompressedTextureLoader,ConeGeometry,ConstantAlphaFactor,ConstantColorFactor,Controls,CubeTextureLoader,CubicBezierCurve,CubicBezierCurve3,CubicInterpolant,CullFaceFrontBack,Curve,CurvePath,CustomToneMapping,Cylindrical,Data3DTexture,DataTextureLoader,DataUtils,DefaultLoadingManager,DetachedBindMode,DirectionalLightHelper,DiscreteInterpolant,DodecahedronGeometry,DynamicCopyUsage,DynamicReadUsage,EdgesGeometry,EllipseCurve,ExternalTexture,ExtrudeGeometry,Fog,FogExp2,GLBufferAttribute,GLSL1,GLSL3,GridHelper,HemisphereLightHelper,IcosahedronGeometry,ImageBitmapLoader,ImageLoader,ImageUtils,InstancedBufferGeometry,InstancedMesh,Int16BufferAttribute,Int32BufferAttribute,Int8BufferAttribute,Interpolant,InterpolateBezier,InterpolateDiscrete,InterpolateLinear,InterpolateSmooth,InterpolationSamplingMode,InterpolationSamplingType,KeyframeTrack,LOD,LatheGeometry,Layers,Light,Line,Line3,LineCurve,LineCurve3,LineLoop,LineSegments,LinearInterpolant,LinearMipMapNearestFilter,LoaderUtils,LoadingManager,LoopOnce,LoopPingPong,LoopRepeat,MOUSE,MeshDepthMaterial,MeshDistanceMaterial,NearestMipMapLinearFilter,NearestMipMapNearestFilter,NormalAnimationBlendMode,NumberKeyframeTrack,OctahedronGeometry,OneMinusConstantAlphaFactor,OneMinusConstantColorFactor,Path,PlaneHelper,PointLightHelper,Points,PolarGridHelper,PolyhedronGeometry,PositionalAudio,PropertyBinding,PropertyMixer,QuadraticBezierCurve,QuadraticBezierCurve3,QuaternionKeyframeTrack,QuaternionLinearInterpolant,RGBADepthPacking,RGBDepthPacking,RGB_BPTC_SIGNED_Format,RGB_BPTC_UNSIGNED_Format,RGDepthPacking,RawShaderMaterial,Ray,Raycaster,RenderTarget3D,RingGeometry,ShaderMaterial,Shape,ShapeGeometry,ShapePath,ShapeUtils,Skeleton,SkeletonHelper,SkinnedMesh,Source,Spherical,SphericalHarmonics3,SplineCurve,SpotLightHelper,Sprite,StaticCopyUsage,StaticReadUsage,StereoCamera,StreamCopyUsage,StreamDrawUsage,StreamReadUsage,StringKeyframeTrack,TOUCH,TetrahedronGeometry,TextureLoader,TextureUtils,Timer,TorusGeometry,TorusKnotGeometry,Triangle,TriangleFanDrawMode,TriangleStripDrawMode,TrianglesDrawMode,TubeGeometry,Uint8BufferAttribute,Uint8ClampedBufferAttribute,Uniform,UniformsGroup,VectorKeyframeTrack,VideoFrameTexture,VideoTexture,WebGL3DRenderTarget,WebGLArrayRenderTarget,WebGLRenderTarget,WireframeGeometry,WrapAroundEnding,ZeroCurvatureEnding,ZeroSlopeEnding,getConsoleFunction,setConsoleFunction}from"./three.core.min.js";const Bs=["alphaMap","alphaTest","anisotropy","anisotropyMap","anisotropyRotation","aoMap","aoMapIntensity","attenuationColor","attenuationDistance","bumpMap","clearcoat","clearcoatMap","clearcoatNormalMap","clearcoatNormalScale","clearcoatRoughness","color","dispersion","displacementMap","emissive","emissiveIntensity","emissiveMap","envMap","envMapIntensity","gradientMap","ior","iridescence","iridescenceIOR","iridescenceMap","iridescenceThicknessMap","lightMap","lightMapIntensity","map","matcap","metalness","metalnessMap","normalMap","normalScale","opacity","roughness","roughnessMap","sheen","sheenColor","sheenColorMap","sheenRoughnessMap","shininess","specular","specularColor","specularColorMap","specularIntensity","specularIntensityMap","specularMap","thickness","transmission","transmissionMap"],Fs=new WeakMap;class Ls{constructor(e){this.renderObjects=new WeakMap,this.hasNode=this.containsNode(e),this.hasAnimation=!0===e.object.isSkinnedMesh,this.refreshUniforms=Bs,this.renderId=0}firstInitialization(e){return!1===this.renderObjects.has(e)&&(this.getRenderObjectData(e),!0)}needsVelocity(e){const t=e.getMRT();return null!==t&&t.has("velocity")}getRenderObjectData(e){let t=this.renderObjects.get(e);if(void 0===t){const{geometry:r,material:s,object:i}=e;if(t={material:this.getMaterialData(s),geometry:{id:r.id,attributes:this.getAttributesData(r.attributes),indexId:r.index?r.index.id:null,indexVersion:r.index?r.index.version:null,drawRange:{start:r.drawRange.start,count:r.drawRange.count}},worldMatrix:i.matrixWorld.clone()},i.center&&(t.center=i.center.clone()),i.morphTargetInfluences&&(t.morphTargetInfluences=i.morphTargetInfluences.slice()),null!==e.bundle&&(t.version=e.bundle.version),t.material.transmission>0){const{width:r,height:s}=e.context;t.bufferWidth=r,t.bufferHeight=s}t.lights=this.getLightsData(e.lightsNode.getLights()),this.renderObjects.set(e,t)}return t}getAttributesData(e){const t={};for(const r in e){const s=e[r];t[r]={id:s.id,version:s.version}}return t}containsNode(e){const t=e.material;for(const e in t)if(t[e]&&t[e].isNode)return!0;return!!(e.context.modelViewMatrix||e.context.modelNormalViewMatrix||e.context.getAO||e.context.getShadow)}getMaterialData(e){const t={};for(const r of this.refreshUniforms){const s=e[r];null!=s&&("object"==typeof s&&void 0!==s.clone?!0===s.isTexture?t[r]={id:s.id,version:s.version}:t[r]=s.clone():t[r]=s)}return t}equals(e,t){const{object:r,material:s,geometry:i}=e,n=this.getRenderObjectData(e);if(!0!==n.worldMatrix.equals(r.matrixWorld))return n.worldMatrix.copy(r.matrixWorld),!1;const a=n.material;for(const e in a){const t=a[e],r=s[e];if(void 0!==t.equals){if(!1===t.equals(r))return t.copy(r),!1}else if(!0===r.isTexture){if(t.id!==r.id||t.version!==r.version)return t.id=r.id,t.version=r.version,!1}else if(t!==r)return a[e]=r,!1}if(a.transmission>0){const{width:t,height:r}=e.context;if(n.bufferWidth!==t||n.bufferHeight!==r)return n.bufferWidth=t,n.bufferHeight=r,!1}const o=n.geometry,u=i.attributes,l=o.attributes,d=Object.keys(l),c=Object.keys(u);if(o.id!==i.id)return o.id=i.id,!1;if(d.length!==c.length)return n.geometry.attributes=this.getAttributesData(u),!1;for(const e of d){const t=l[e],r=u[e];if(void 0===r)return delete l[e],!1;if(t.id!==r.id||t.version!==r.version)return t.id=r.id,t.version=r.version,!1}const h=i.index,p=o.id,g=o.indexVersion,m=h?h.id:null,f=h?h.version:null;if(p!==m||g!==f)return o.id=m,o.indexVersion=f,!1;if(o.drawRange.start!==i.drawRange.start||o.drawRange.count!==i.drawRange.count)return o.drawRange.start=i.drawRange.start,o.drawRange.count=i.drawRange.count,!1;if(n.morphTargetInfluences){let e=!1;for(let t=0;t<n.morphTargetInfluences.length;t++)n.morphTargetInfluences[t]!==r.morphTargetInfluences[t]&&(n.morphTargetInfluences[t]=r.morphTargetInfluences[t],e=!0);if(e)return!1}if(n.lights)for(let e=0;e<t.length;e++)if(n.lights[e].map!==t[e].map)return!1;return n.center&&!1===n.center.equals(r.center)?(n.center.copy(r.center),!0):(null!==e.bundle&&(n.version=e.bundle.version),!0)}getLightsData(e){const t=[];for(const r of e)!0===r.isSpotLight&&null!==r.map&&t.push({map:r.map.version});return t}getLights(e,t){if(Fs.has(e)){const r=Fs.get(e);if(r.renderId===t)return r.lightsData}const r=this.getLightsData(e.getLights());return Fs.set(e,{renderId:t,lightsData:r}),r}needsRefresh(e,t){if(this.hasNode||this.hasAnimation||this.firstInitialization(e)||this.needsVelocity(t.renderer))return!0;const{renderId:r}=t;if(this.renderId!==r)return this.renderId=r,!0;const s=!0===e.object.static,i=null!==e.bundle&&!0===e.bundle.static&&this.getRenderObjectData(e).version===e.bundle.version;if(s||i)return!1;const n=this.getLights(e.lightsNode,r);return!0!==this.equals(e,n)}}const Ps=[/^StackTrace\.js$/,/^TSLCore\.js$/,/^.*Node\.js$/,/^three\.webgpu.*\.js$/];class Ds{constructor(e=null){this.isStackTrace=!0,this.stack=function(e){const t=/(?:at\s+(.+?)\s+\()?(?:(.+?)@)?([^@\s()]+):(\d+):(\d+)/;return e.split("\n").map(e=>{const r=e.match(t);if(!r)return null;const 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qs(e){return/float|int|uint/.test(e)?4:/vec2/.test(e)?8:/vec3/.test(e)||/vec4/.test(e)?16:/mat2/.test(e)?8:/mat3/.test(e)||/mat4/.test(e)?16:void o(`TSL: Unsupported type: ${e}`,new Ds)}function js(e){if(null==e)return null;const t=typeof e;return!0===e.isNode?"node":"number"===t?"float":"boolean"===t?"bool":"string"===t?"string":"function"===t?"shader":!0===e.isVector2?"vec2":!0===e.isVector3?"vec3":!0===e.isVector4?"vec4":!0===e.isMatrix2?"mat2":!0===e.isMatrix3?"mat3":!0===e.isMatrix4?"mat4":!0===e.isColor?"color":e instanceof ArrayBuffer?"ArrayBuffer":null}function Xs(o,...u){const l=o?o.slice(-4):void 0;return 1===u.length&&("vec2"===l?u=[u[0],u[0]]:"vec3"===l?u=[u[0],u[0],u[0]]:"vec4"===l&&(u=[u[0],u[0],u[0],u[0]])),"color"===o?new e(...u):"vec2"===l?new t(...u):"vec3"===l?new r(...u):"vec4"===l?new s(...u):"mat2"===l?new i(...u):"mat3"===l?new n(...u):"mat4"===l?new a(...u):"bool"===o?u[0]||!1:"float"===o||"int"===o||"uint"===o?u[0]||0:"string"===o?u[0]||"":"ArrayBuffer"===o?Qs(u[0]):null}function Ks(e){let t=Gs.get(e);return void 0===t&&(t={},Gs.set(e,t)),t}function Ys(e){let t="";const r=new Uint8Array(e);for(let e=0;e<r.length;e++)t+=String.fromCharCode(r[e]);return btoa(t)}function Qs(e){return Uint8Array.from(atob(e),e=>e.charCodeAt(0)).buffer}var Zs=Object.freeze({__proto__:null,arrayBufferToBase64:Ys,base64ToArrayBuffer:Qs,getAlignmentFromType:qs,getDataFromObject:Ks,getLengthFromType:Ws,getMemoryLengthFromType:Hs,getTypeFromLength:zs,getTypedArrayFromType:$s,getValueFromType:Xs,getValueType:js,hash:Vs,hashArray:Os,hashString:Is});const Js={VERTEX:"vertex",FRAGMENT:"fragment"},ei={NONE:"none",FRAME:"frame",RENDER:"render",OBJECT:"object"},ti={BOOLEAN:"bool",INTEGER:"int",FLOAT:"float",VECTOR2:"vec2",VECTOR3:"vec3",VECTOR4:"vec4",MATRIX2:"mat2",MATRIX3:"mat3",MATRIX4:"mat4"},ri={READ_ONLY:"readOnly",WRITE_ONLY:"writeOnly",READ_WRITE:"readWrite"},si=["fragment","vertex"],ii=["setup","analyze","generate"],ni=[...si,"compute"],ai=["x","y","z","w"],oi={analyze:"setup",generate:"analyze"};let ui=0;class li extends u{static get type(){return"Node"}constructor(e=null){super(),this.nodeType=e,this.updateType=ei.NONE,this.updateBeforeType=ei.NONE,this.updateAfterType=ei.NONE,this.uuid=l.generateUUID(),this.version=0,this.name="",this.global=!1,this.parents=!1,this.isNode=!0,this._beforeNodes=null,this._cacheKey=null,this._cacheKeyVersion=0,Object.defineProperty(this,"id",{value:ui++}),this.stackTrace=null,!0===li.captureStackTrace&&(this.stackTrace=new Ds)}set needsUpdate(e){!0===e&&this.version++}get type(){return this.constructor.type}onUpdate(e,t){return this.updateType=t,this.update=e.bind(this),this}onFrameUpdate(e){return this.onUpdate(e,ei.FRAME)}onRenderUpdate(e){return this.onUpdate(e,ei.RENDER)}onObjectUpdate(e){return this.onUpdate(e,ei.OBJECT)}onReference(e){return this.updateReference=e.bind(this),this}updateReference(){return this}isGlobal(){return this.global}*getChildren(){for(const{childNode:e}of this._getChildren())yield e}dispose(){this.dispatchEvent({type:"dispose"})}traverse(e){e(this);for(const t of this.getChildren())t.traverse(e)}_getChildren(e=new Set){const t=[];e.add(this);for(const r of Object.getOwnPropertyNames(this)){const s=this[r];if(!0!==r.startsWith("_")&&!e.has(s))if(!0===Array.isArray(s))for(let e=0;e<s.length;e++){const i=s[e];i&&!0===i.isNode&&t.push({property:r,index:e,childNode:i})}else if(s&&!0===s.isNode)t.push({property:r,childNode:s});else if(s&&Object.getPrototypeOf(s)===Object.prototype)for(const e in s){if(!0===e.startsWith("_"))continue;const i=s[e];i&&!0===i.isNode&&t.push({property:r,index:e,childNode:i})}}return t}getCacheKey(e=!1,t=null){if(!0===(e=e||this.version!==this._cacheKeyVersion)||null===this._cacheKey){null===t&&(t=new Set);const r=[];for(const{property:s,childNode:i}of this._getChildren(t))r.push(Is(s.slice(0,-4)),i.getCacheKey(e,t));this._cacheKey=Vs(Os(r),this.customCacheKey()),this._cacheKeyVersion=this.version}return this._cacheKey}customCacheKey(){return this.id}getScope(){return this}getHash(){return this.uuid}getUpdateType(){return this.updateType}getUpdateBeforeType(){return this.updateBeforeType}getUpdateAfterType(){return this.updateAfterType}getElementType(e){const t=this.getNodeType(e);return e.getElementType(t)}getMemberType(){return"void"}getNodeType(e){const t=e.getNodeProperties(this);return t.outputNode?t.outputNode.getNodeType(e):this.nodeType}getShared(e){const t=this.getHash(e);return e.getNodeFromHash(t)||this}getArrayCount(){return null}setup(e){const t=e.getNodeProperties(this);let r=0;for(const e of this.getChildren())t["node"+r++]=e;return t.outputNode||null}analyze(e,t=null){const r=e.increaseUsage(this);if(!0===this.parents){const r=e.getDataFromNode(this,"any");r.stages=r.stages||{},r.stages[e.shaderStage]=r.stages[e.shaderStage]||[],r.stages[e.shaderStage].push(t)}if(1===r){const t=e.getNodeProperties(this);for(const r of Object.values(t))r&&!0===r.isNode&&r.build(e,this)}}generate(e,t){const{outputNode:r}=e.getNodeProperties(this);if(r&&!0===r.isNode)return r.build(e,t)}updateBefore(){d("Abstract function.")}updateAfter(){d("Abstract function.")}update(){d("Abstract function.")}before(e){return null===this._beforeNodes&&(this._beforeNodes=[]),this._beforeNodes.push(e),this}build(e,t=null){const r=this.getShared(e);if(this!==r)return r.build(e,t);if(null!==this._beforeNodes){const r=this._beforeNodes;this._beforeNodes=null;for(const s of r)s.build(e,t);this._beforeNodes=r}const s=e.getDataFromNode(this);s.buildStages=s.buildStages||{},s.buildStages[e.buildStage]=!0;const i=oi[e.buildStage];if(i&&!0!==s.buildStages[i]){const t=e.getBuildStage();e.setBuildStage(i),this.build(e),e.setBuildStage(t)}e.addChain(this);let n=null;const a=e.getBuildStage();if("setup"===a){e.addNode(this),this.updateReference(e);const t=e.getNodeProperties(this);if(!0!==t.initialized){t.initialized=!0,t.outputNode=this.setup(e)||t.outputNode||null;for(const r of Object.values(t))if(r&&!0===r.isNode){if(!0===r.parents){const t=e.getNodeProperties(r);t.parents=t.parents||[],t.parents.push(this)}r.build(e)}e.addSequentialNode(this)}n=t.outputNode}else if("analyze"===a)this.analyze(e,t);else if("generate"===a){if(this.generate.length<2){const r=this.getNodeType(e),s=e.getDataFromNode(this);n=s.snippet,void 0===n?void 0===s.generated?(s.generated=!0,n=this.generate(e)||"",s.snippet=n):(d("Node: Recursion detected.",this),n="/* Recursion detected. */"):void 0!==s.flowCodes&&void 0!==e.context.nodeBlock&&e.addFlowCodeHierarchy(this,e.context.nodeBlock),n=e.format(n,r,t)}else n=this.generate(e,t)||"";""===n&&null!==t&&"void"!==t&&"OutputType"!==t&&(o(`TSL: Invalid generated code, expected a "${t}".`),n=e.generateConst(t))}return e.removeChain(this),n}getSerializeChildren(){return this._getChildren()}serialize(e){const t=this.getSerializeChildren(),r={};for(const{property:s,index:i,childNode:n}of t)void 0!==i?(void 0===r[s]&&(r[s]=Number.isInteger(i)?[]:{}),r[s][i]=n.toJSON(e.meta).uuid):r[s]=n.toJSON(e.meta).uuid;Object.keys(r).length>0&&(e.inputNodes=r)}deserialize(e){if(void 0!==e.inputNodes){const t=e.meta.nodes;for(const r in e.inputNodes)if(Array.isArray(e.inputNodes[r])){const s=[];for(const i of e.inputNodes[r])s.push(t[i]);this[r]=s}else if("object"==typeof e.inputNodes[r]){const s={};for(const i in e.inputNodes[r]){const n=e.inputNodes[r][i];s[i]=t[n]}this[r]=s}else{const s=e.inputNodes[r];this[r]=t[s]}}}toJSON(e){const{uuid:t,type:r}=this,s=void 0===e||"string"==typeof e;s&&(e={textures:{},images:{},nodes:{}});let i=e.nodes[t];function n(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(void 0===i&&(i={uuid:t,type:r,meta:e,metadata:{version:4.7,type:"Node",generator:"Node.toJSON"}},!0!==s&&(e.nodes[i.uuid]=i),this.serialize(i),delete i.meta),s){const t=n(e.textures),r=n(e.images),s=n(e.nodes);t.length>0&&(i.textures=t),r.length>0&&(i.images=r),s.length>0&&(i.nodes=s)}return i}}li.captureStackTrace=!1;class di extends li{static get type(){return"ArrayElementNode"}constructor(e,t){super(),this.node=e,this.indexNode=t,this.isArrayElementNode=!0}getNodeType(e){return this.node.getElementType(e)}getMemberType(e,t){return this.node.getMemberType(e,t)}generate(e){const t=this.indexNode.getNodeType(e);return`${this.node.build(e)}[ ${this.indexNode.build(e,!e.isVector(t)&&e.isInteger(t)?t:"uint")} ]`}}class ci extends li{static get type(){return"ConvertNode"}constructor(e,t){super(),this.node=e,this.convertTo=t}getNodeType(e){const t=this.node.getNodeType(e);let r=null;for(const s of this.convertTo.split("|"))null!==r&&e.getTypeLength(t)!==e.getTypeLength(s)||(r=s);return r}serialize(e){super.serialize(e),e.convertTo=this.convertTo}deserialize(e){super.deserialize(e),this.convertTo=e.convertTo}generate(e,t){const r=this.node,s=this.getNodeType(e),i=r.build(e,s);return e.format(i,s,t)}}class hi extends li{static get type(){return"TempNode"}constructor(e=null){super(e),this.isTempNode=!0}hasDependencies(e){return e.getDataFromNode(this).usageCount>1}build(e,t){if("generate"===e.getBuildStage()){const r=e.getVectorType(this.getNodeType(e,t)),s=e.getDataFromNode(this);if(void 0!==s.propertyName)return e.format(s.propertyName,r,t);if("void"!==r&&"void"!==t&&this.hasDependencies(e)){const i=super.build(e,r),n=e.getVarFromNode(this,null,r),a=e.getPropertyName(n);return e.addLineFlowCode(`${a} = ${i}`,this),s.snippet=i,s.propertyName=a,e.format(s.propertyName,r,t)}}return super.build(e,t)}}class pi extends hi{static get type(){return"JoinNode"}constructor(e=[],t=null){super(t),this.nodes=e}getNodeType(e){return null!==this.nodeType?e.getVectorType(this.nodeType):e.getTypeFromLength(this.nodes.reduce((t,r)=>t+e.getTypeLength(r.getNodeType(e)),0))}generate(e,t){const r=this.getNodeType(e),s=e.getTypeLength(r),i=this.nodes,n=e.getComponentType(r),a=[];let u=0;for(const t of i){if(u>=s){o(`TSL: Length of parameters exceeds maximum length of function '${r}()' type.`,this.stackTrace);break}let i,l=t.getNodeType(e),d=e.getTypeLength(l);u+d>s&&(o(`TSL: Length of '${r}()' data exceeds maximum length of output type.`,this.stackTrace),d=s-u,l=e.getTypeFromLength(d)),u+=d,i=t.build(e,l);if(e.getComponentType(l)!==n){const t=e.getTypeFromLength(d,n);i=e.format(i,l,t)}a.push(i)}const l=`${e.getType(r)}( ${a.join(", ")} )`;return e.format(l,r,t)}}const gi=ai.join("");class mi extends li{static get type(){return"SplitNode"}constructor(e,t="x"){super(),this.node=e,this.components=t,this.isSplitNode=!0}getVectorLength(){let e=this.components.length;for(const t of this.components)e=Math.max(ai.indexOf(t)+1,e);return e}getComponentType(e){return e.getComponentType(this.node.getNodeType(e))}getNodeType(e){return e.getTypeFromLength(this.components.length,this.getComponentType(e))}getScope(){return this.node.getScope()}generate(e,t){const r=this.node,s=e.getTypeLength(r.getNodeType(e));let i=null;if(s>1){let n=null;this.getVectorLength()>=s&&(n=e.getTypeFromLength(this.getVectorLength(),this.getComponentType(e)));const a=r.build(e,n);i=this.components.length===s&&this.components===gi.slice(0,this.components.length)?e.format(a,n,t):e.format(`${a}.${this.components}`,this.getNodeType(e),t)}else i=r.build(e,t);return i}serialize(e){super.serialize(e),e.components=this.components}deserialize(e){super.deserialize(e),this.components=e.components}}class fi extends hi{static get type(){return"SetNode"}constructor(e,t,r){super(),this.sourceNode=e,this.components=t,this.targetNode=r}getNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{sourceNode:t,components:r,targetNode:s}=this,i=this.getNodeType(e),n=e.getComponentType(s.getNodeType(e)),a=e.getTypeFromLength(r.length,n),o=s.build(e,a),u=t.build(e,i),l=e.getTypeLength(i),d=[];for(let e=0;e<l;e++){const t=ai[e];t===r[0]?(d.push(o),e+=r.length-1):d.push(u+"."+t)}return`${e.getType(i)}( ${d.join(", ")} )`}}class yi extends hi{static get type(){return"FlipNode"}constructor(e,t){super(),this.sourceNode=e,this.components=t}getNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{components:t,sourceNode:r}=this,s=this.getNodeType(e),i=r.build(e),n=e.getVarFromNode(this),a=e.getPropertyName(n);e.addLineFlowCode(a+" = "+i,this);const o=e.getTypeLength(s),u=[];let l=0;for(let e=0;e<o;e++){const r=ai[e];r===t[l]?(u.push("1.0 - "+a+"."+r),l++):u.push(a+"."+r)}return`${e.getType(s)}( ${u.join(", ")} )`}}class bi extends li{static get type(){return"InputNode"}constructor(e,t=null){super(t),this.isInputNode=!0,this.value=e,this.precision=null}getNodeType(){return null===this.nodeType?js(this.value):this.nodeType}getInputType(e){return this.getNodeType(e)}setPrecision(e){return this.precision=e,this}serialize(e){super.serialize(e),e.value=this.value,this.value&&this.value.toArray&&(e.value=this.value.toArray()),e.valueType=js(this.value),e.nodeType=this.nodeType,"ArrayBuffer"===e.valueType&&(e.value=Ys(e.value)),e.precision=this.precision}deserialize(e){super.deserialize(e),this.nodeType=e.nodeType,this.value=Array.isArray(e.value)?Xs(e.valueType,...e.value):e.value,this.precision=e.precision||null,this.value&&this.value.fromArray&&(this.value=this.value.fromArray(e.value))}generate(){d("Abstract function.")}}const xi=/float|u?int/;class Ti extends bi{static get type(){return"ConstNode"}constructor(e,t=null){super(e,t),this.isConstNode=!0}generateConst(e){return e.generateConst(this.getNodeType(e),this.value)}generate(e,t){const r=this.getNodeType(e);return xi.test(r)&&xi.test(t)?e.generateConst(t,this.value):e.format(this.generateConst(e),r,t)}}class _i extends li{static get type(){return"MemberNode"}constructor(e,t){super(),this.structNode=e,this.property=t,this.isMemberNode=!0}hasMember(e){return(!this.structNode.isMemberNode||!1!==this.structNode.hasMember(e))&&"void"!==this.structNode.getMemberType(e,this.property)}getNodeType(e){return!1===this.hasMember(e)?"float":this.structNode.getMemberType(e,this.property)}getMemberType(e,t){if(!1===this.hasMember(e))return"float";const r=this.getNodeType(e);return e.getStructTypeNode(r).getMemberType(e,t)}generate(e){if(!1===this.hasMember(e)){d(`TSL: Member "${this.property}" does not exist in struct.`,this.stackTrace);const t=this.getNodeType(e);return e.generateConst(t)}return this.structNode.build(e)+"."+this.property}}let vi=null;const Ni=new Map;function Si(e,t){if(Ni.has(e))d(`TSL: Redefinition of method chaining '${e}'.`);else{if("function"!=typeof t)throw new Error(`THREE.TSL: Node element ${e} is not a function`);Ni.set(e,t),"assign"!==e&&(li.prototype[e]=function(...e){return this.isStackNode?this.addToStack(t(...e)):t(this,...e)},li.prototype[e+"Assign"]=function(...e){return this.isStackNode?this.assign(e[0],t(...e)):this.assign(t(this,...e))})}}const Ri=e=>(e=>e.replace(/r|s/g,"x").replace(/g|t/g,"y").replace(/b|p/g,"z").replace(/a|q/g,"w"))(e).split("").sort().join("");li.prototype.assign=function(...e){if(!0!==this.isStackNode)return null!==vi?vi.assign(this,...e):o("TSL: No stack defined for assign operation. Make sure the assign is inside a Fn().",new Ds),this;{const t=Ni.get("assign");return this.addToStack(t(...e))}},li.prototype.toVarIntent=function(){return this},li.prototype.get=function(e){return new _i(this,e)};const Ei={};function Ai(e,t,r){Ei[e]=Ei[t]=Ei[r]={get(){this._cache=this._cache||{};let t=this._cache[e];return void 0===t&&(t=new mi(this,e),this._cache[e]=t),t},set(t){this[e].assign(Ji(t))}};const s=e.toUpperCase(),i=t.toUpperCase(),n=r.toUpperCase();li.prototype["set"+s]=li.prototype["set"+i]=li.prototype["set"+n]=function(t){const r=Ri(e);return new fi(this,r,Ji(t))},li.prototype["flip"+s]=li.prototype["flip"+i]=li.prototype["flip"+n]=function(){const t=Ri(e);return new yi(this,t)}}const wi=["x","y","z","w"],Ci=["r","g","b","a"],Mi=["s","t","p","q"];for(let e=0;e<4;e++){let t=wi[e],r=Ci[e],s=Mi[e];Ai(t,r,s);for(let i=0;i<4;i++){t=wi[e]+wi[i],r=Ci[e]+Ci[i],s=Mi[e]+Mi[i],Ai(t,r,s);for(let n=0;n<4;n++){t=wi[e]+wi[i]+wi[n],r=Ci[e]+Ci[i]+Ci[n],s=Mi[e]+Mi[i]+Mi[n],Ai(t,r,s);for(let a=0;a<4;a++)t=wi[e]+wi[i]+wi[n]+wi[a],r=Ci[e]+Ci[i]+Ci[n]+Ci[a],s=Mi[e]+Mi[i]+Mi[n]+Mi[a],Ai(t,r,s)}}}for(let e=0;e<32;e++)Ei[e]={get(){this._cache=this._cache||{};let t=this._cache[e];return void 0===t&&(t=new di(this,new Ti(e,"uint")),this._cache[e]=t),t},set(t){this[e].assign(Ji(t))}};Object.defineProperties(li.prototype,Ei);const Bi=new WeakMap,Fi=function(e,t=null){for(const r in e)e[r]=Ji(e[r],t);return e},Li=function(e,t=null){const r=e.length;for(let s=0;s<r;s++)e[s]=Ji(e[s],t);return e},Pi=function(e,t=null,r=null,s=null){function i(e){return null!==s?(e=Ji(Object.assign(e,s)),!0===s.intent&&(e=e.toVarIntent())):e=Ji(e),e}let n,a,u,l=t;function d(t){let r;return r=l?/[a-z]/i.test(l)?l+"()":l:e.type,void 0!==a&&t.length<a?(o(`TSL: "${r}" parameter length is less than minimum required.`,new Ds),t.concat(new Array(a-t.length).fill(0))):void 0!==u&&t.length>u?(o(`TSL: "${r}" parameter length exceeds limit.`,new Ds),t.slice(0,u)):t}return null===t?n=(...t)=>i(new e(...rn(d(t)))):null!==r?(r=Ji(r),n=(...s)=>i(new e(t,...rn(d(s)),r))):n=(...r)=>i(new e(t,...rn(d(r)))),n.setParameterLength=(...e)=>(1===e.length?a=u=e[0]:2===e.length&&([a,u]=e),n),n.setName=e=>(l=e,n),n},Di=function(e,...t){return new e(...rn(t))};class Ui extends li{constructor(e,t){super(),this.shaderNode=e,this.rawInputs=t,this.isShaderCallNodeInternal=!0}getNodeType(e){return this.shaderNode.nodeType||this.getOutputNode(e).getNodeType(e)}getElementType(e){return this.getOutputNode(e).getElementType(e)}getMemberType(e,t){return this.getOutputNode(e).getMemberType(e,t)}call(e){const{shaderNode:t,rawInputs:r}=this,s=e.getNodeProperties(t),i=e.getClosestSubBuild(t.subBuilds)||"",n=i||"default";if(s[n])return s[n];const a=e.subBuildFn,o=e.fnCall;e.subBuildFn=i,e.fnCall=this;let u=null;if(t.layout){let s=Bi.get(e.constructor);void 0===s&&(s=new WeakMap,Bi.set(e.constructor,s));let i=s.get(t);void 0===i&&(i=Ji(e.buildFunctionNode(t)),s.set(t,i)),e.addInclude(i);const n=r?function(e){let t;tn(e);t=e[0]&&(e[0].isNode||Object.getPrototypeOf(e[0])!==Object.prototype)?[...e]:e[0];return t}(r):null;u=Ji(i.call(n))}else{const s=new Proxy(e,{get:(e,t,r)=>{let s;return s=Symbol.iterator===t?function*(){yield}:Reflect.get(e,t,r),s}}),i=r?function(e){let t=0;return tn(e),new Proxy(e,{get:(r,s,i)=>{let n;if("length"===s)return n=e.length,n;if(Symbol.iterator===s)n=function*(){for(const t of e)yield Ji(t)};else{if(e.length>0)if(Object.getPrototypeOf(e[0])===Object.prototype){const r=e[0];n=void 0===r[s]?r[t++]:Reflect.get(r,s,i)}else e[0]instanceof li&&(n=void 0===e[s]?e[t++]:Reflect.get(e,s,i));else n=Reflect.get(r,s,i);n=Ji(n)}return n}})}(r):null,n=Array.isArray(r)?r.length>0:null!==r,a=t.jsFunc,o=n||a.length>1?a(i,s):a(s);u=Ji(o)}return e.subBuildFn=a,e.fnCall=o,t.once&&(s[n]=u),u}setupOutput(e){return e.addStack(),e.stack.outputNode=this.call(e),e.removeStack()}getOutputNode(e){const t=e.getNodeProperties(this),r=e.getSubBuildOutput(this);return t[r]=t[r]||this.setupOutput(e),t[r].subBuild=e.getClosestSubBuild(this),t[r]}build(e,t=null){let r=null;const s=e.getBuildStage(),i=e.getNodeProperties(this),n=e.getSubBuildOutput(this),a=this.getOutputNode(e),o=e.fnCall;if(e.fnCall=this,"setup"===s){const t=e.getSubBuildProperty("initialized",this);if(!0!==i[t]&&(i[t]=!0,i[n]=this.getOutputNode(e),i[n].build(e),this.shaderNode.subBuilds))for(const t of e.chaining){const r=e.getDataFromNode(t,"any");r.subBuilds=r.subBuilds||new Set;for(const e of this.shaderNode.subBuilds)r.subBuilds.add(e)}r=i[n]}else"analyze"===s?a.build(e,t):"generate"===s&&(r=a.build(e,t)||"");return e.fnCall=o,r}}class Ii extends li{constructor(e,t){super(t),this.jsFunc=e,this.layout=null,this.global=!0,this.once=!1}setLayout(e){return this.layout=e,this}getLayout(){return this.layout}call(e=null){return new Ui(this,e)}setup(){return this.call()}}const Oi=[!1,!0],Vi=[0,1,2,3],ki=[-1,-2],Gi=[.5,1.5,1/3,1e-6,1e6,Math.PI,2*Math.PI,1/Math.PI,2/Math.PI,1/(2*Math.PI),Math.PI/2],zi=new Map;for(const e of Oi)zi.set(e,new Ti(e));const $i=new Map;for(const e of Vi)$i.set(e,new Ti(e,"uint"));const Wi=new Map([...$i].map(e=>new Ti(e.value,"int")));for(const e of ki)Wi.set(e,new Ti(e,"int"));const Hi=new Map([...Wi].map(e=>new Ti(e.value)));for(const e of Gi)Hi.set(e,new Ti(e));for(const e of Gi)Hi.set(-e,new Ti(-e));const qi={bool:zi,uint:$i,ints:Wi,float:Hi},ji=new Map([...zi,...Hi]),Xi=(e,t)=>ji.has(e)?ji.get(e):!0===e.isNode?e:new Ti(e,t),Ki=function(e,t=null){return(...r)=>{for(const t of r)if(void 0===t)return o(`TSL: Invalid parameter for the type "${e}".`,new Ds),new Ti(0,e);if((0===r.length||!["bool","float","int","uint"].includes(e)&&r.every(e=>{const t=typeof e;return"object"!==t&&"function"!==t}))&&(r=[Xs(e,...r)]),1===r.length&&null!==t&&t.has(r[0]))return en(t.get(r[0]));if(1===r.length){const t=Xi(r[0],e);return t.nodeType===e?en(t):en(new ci(t,e))}const s=r.map(e=>Xi(e));return en(new pi(s,e))}},Yi=e=>"object"==typeof e&&null!==e?e.value:e,Qi=e=>null!=e?e.nodeType||e.convertTo||("string"==typeof e?e:null):null;function Zi(e,t){return new Ii(e,t)}const Ji=(e,t=null)=>function(e,t=null){const r=js(e);return"node"===r?e:null===t&&("float"===r||"boolean"===r)||r&&"shader"!==r&&"string"!==r?Ji(Xi(e,t)):"shader"===r?e.isFn?e:ln(e):e}(e,t),en=(e,t=null)=>Ji(e,t).toVarIntent(),tn=(e,t=null)=>new Fi(e,t),rn=(e,t=null)=>new Li(e,t),sn=(e,t=null,r=null,s=null)=>new Pi(e,t,r,s),nn=(e,...t)=>new Di(e,...t),an=(e,t=null,r=null,s={})=>new Pi(e,t,r,{...s,intent:!0});let on=0;class un extends li{constructor(e,t=null){super();let r=null;null!==t&&("object"==typeof t?r=t.return:("string"==typeof t?r=t:o("TSL: Invalid layout type.",new Ds),t=null)),this.shaderNode=new Zi(e,r),null!==t&&this.setLayout(t),this.isFn=!0}setLayout(e){const t=this.shaderNode.nodeType;if("object"!=typeof e.inputs){const r={name:"fn"+on++,type:t,inputs:[]};for(const t in e)"return"!==t&&r.inputs.push({name:t,type:e[t]});e=r}return this.shaderNode.setLayout(e),this}getNodeType(e){return this.shaderNode.getNodeType(e)||"float"}call(...e){const t=this.shaderNode.call(e);return"void"===this.shaderNode.nodeType&&t.toStack(),t.toVarIntent()}once(e=null){return this.shaderNode.once=!0,this.shaderNode.subBuilds=e,this}generate(e){const t=this.getNodeType(e);return o('TSL: "Fn()" was declared but not invoked. Try calling it like "Fn()( ...params )".',this.stackTrace),e.generateConst(t)}}function ln(e,t=null){const r=new un(e,t);return new Proxy(()=>{},{apply:(e,t,s)=>r.call(...s),get:(e,t,s)=>Reflect.get(r,t,s),set:(e,t,s,i)=>Reflect.set(r,t,s,i)})}const dn=e=>{vi=e},cn=()=>vi,hn=(...e)=>vi.If(...e);function pn(e){return vi&&vi.addToStack(e),e}Si("toStack",pn);const gn=new Ki("color"),mn=new Ki("float",qi.float),fn=new Ki("int",qi.ints),yn=new Ki("uint",qi.uint),bn=new Ki("bool",qi.bool),xn=new Ki("vec2"),Tn=new Ki("ivec2"),_n=new Ki("uvec2"),vn=new Ki("bvec2"),Nn=new Ki("vec3"),Sn=new Ki("ivec3"),Rn=new Ki("uvec3"),En=new Ki("bvec3"),An=new Ki("vec4"),wn=new Ki("ivec4"),Cn=new Ki("uvec4"),Mn=new Ki("bvec4"),Bn=new Ki("mat2"),Fn=new Ki("mat3"),Ln=new Ki("mat4");Si("toColor",gn),Si("toFloat",mn),Si("toInt",fn),Si("toUint",yn),Si("toBool",bn),Si("toVec2",xn),Si("toIVec2",Tn),Si("toUVec2",_n),Si("toBVec2",vn),Si("toVec3",Nn),Si("toIVec3",Sn),Si("toUVec3",Rn),Si("toBVec3",En),Si("toVec4",An),Si("toIVec4",wn),Si("toUVec4",Cn),Si("toBVec4",Mn),Si("toMat2",Bn),Si("toMat3",Fn),Si("toMat4",Ln);const Pn=sn(di).setParameterLength(2),Dn=(e,t)=>Ji(new ci(Ji(e),t));Si("element",Pn),Si("convert",Dn);Si("append",e=>(d("TSL: .append() has been renamed to .toStack().",new Ds),pn(e)));class Un extends li{static get type(){return"PropertyNode"}constructor(e,t=null,r=!1){super(e),this.name=t,this.varying=r,this.isPropertyNode=!0,this.global=!0}customCacheKey(){return Is(this.type+":"+(this.name||"")+":"+(this.varying?"1":"0"))}getHash(e){return this.name||super.getHash(e)}generate(e){let t;return!0===this.varying?(t=e.getVaryingFromNode(this,this.name),t.needsInterpolation=!0):t=e.getVarFromNode(this,this.name),e.getPropertyName(t)}}const In=(e,t)=>new Un(e,t),On=(e,t)=>new Un(e,t,!0),Vn=nn(Un,"vec4","DiffuseColor"),kn=nn(Un,"vec3","DiffuseContribution"),Gn=nn(Un,"vec3","EmissiveColor"),zn=nn(Un,"float","Roughness"),$n=nn(Un,"float","Metalness"),Wn=nn(Un,"float","Clearcoat"),Hn=nn(Un,"float","ClearcoatRoughness"),qn=nn(Un,"vec3","Sheen"),jn=nn(Un,"float","SheenRoughness"),Xn=nn(Un,"float","Iridescence"),Kn=nn(Un,"float","IridescenceIOR"),Yn=nn(Un,"float","IridescenceThickness"),Qn=nn(Un,"float","AlphaT"),Zn=nn(Un,"float","Anisotropy"),Jn=nn(Un,"vec3","AnisotropyT"),ea=nn(Un,"vec3","AnisotropyB"),ta=nn(Un,"color","SpecularColor"),ra=nn(Un,"color","SpecularColorBlended"),sa=nn(Un,"float","SpecularF90"),ia=nn(Un,"float","Shininess"),na=nn(Un,"vec4","Output"),aa=nn(Un,"float","dashSize"),oa=nn(Un,"float","gapSize"),ua=nn(Un,"float","pointWidth"),la=nn(Un,"float","IOR"),da=nn(Un,"float","Transmission"),ca=nn(Un,"float","Thickness"),ha=nn(Un,"float","AttenuationDistance"),pa=nn(Un,"color","AttenuationColor"),ga=nn(Un,"float","Dispersion");class ma extends li{static get type(){return"UniformGroupNode"}constructor(e,t=!1,r=1){super("string"),this.name=e,this.shared=t,this.order=r,this.isUniformGroup=!0}serialize(e){super.serialize(e),e.name=this.name,e.version=this.version,e.shared=this.shared}deserialize(e){super.deserialize(e),this.name=e.name,this.version=e.version,this.shared=e.shared}}const fa=e=>new ma(e),ya=(e,t=0)=>new ma(e,!0,t),ba=ya("frame"),xa=ya("render"),Ta=fa("object");class _a extends bi{static get type(){return"UniformNode"}constructor(e,t=null){super(e,t),this.isUniformNode=!0,this.name="",this.groupNode=Ta}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Ds),this.setName(e)}setGroup(e){return this.groupNode=e,this}getGroup(){return this.groupNode}getUniformHash(e){return this.getHash(e)}onUpdate(e,t){return e=e.bind(this),super.onUpdate(t=>{const r=e(t,this);void 0!==r&&(this.value=r)},t)}getInputType(e){let t=super.getInputType(e);return"bool"===t&&(t="uint"),t}generate(e,t){const r=this.getNodeType(e),s=this.getUniformHash(e);let i=e.getNodeFromHash(s);void 0===i&&(e.setHashNode(this,s),i=this);const n=i.getInputType(e),a=e.getUniformFromNode(i,n,e.shaderStage,this.name||e.context.nodeName),o=e.getPropertyName(a);void 0!==e.context.nodeName&&delete e.context.nodeName;let u=o;if("bool"===r){const t=e.getDataFromNode(this);let s=t.propertyName;if(void 0===s){const i=e.getVarFromNode(this,null,"bool");s=e.getPropertyName(i),t.propertyName=s,u=e.format(o,n,r),e.addLineFlowCode(`${s} = ${u}`,this)}u=s}return e.format(u,r,t)}}const va=(e,t)=>{const r=Qi(t||e);if(r===e&&(e=Xs(r)),e&&!0===e.isNode){let t=e.value;e.traverse(e=>{!0===e.isConstNode&&(t=e.value)}),e=t}return new _a(e,r)};class Na extends hi{static get type(){return"ArrayNode"}constructor(e,t,r=null){super(e),this.count=t,this.values=r,this.isArrayNode=!0}getArrayCount(){return this.count}getNodeType(e){return null===this.nodeType?this.values[0].getNodeType(e):this.nodeType}getElementType(e){return this.getNodeType(e)}getMemberType(e,t){return null===this.nodeType?this.values[0].getMemberType(e,t):super.getMemberType(e,t)}generate(e){const t=this.getNodeType(e);return e.generateArray(t,this.count,this.values)}}const Sa=(...e)=>{let t;if(1===e.length){const r=e[0];t=new Na(null,r.length,r)}else{const r=e[0],s=e[1];t=new Na(r,s)}return Ji(t)};Si("toArray",(e,t)=>Sa(Array(t).fill(e)));class Ra extends hi{static get type(){return"AssignNode"}constructor(e,t){super(),this.targetNode=e,this.sourceNode=t,this.isAssignNode=!0}hasDependencies(){return!1}getNodeType(e,t){return"void"!==t?this.targetNode.getNodeType(e):"void"}needsSplitAssign(e){const{targetNode:t}=this;if(!1===e.isAvailable("swizzleAssign")&&t.isSplitNode&&t.components.length>1){const r=e.getTypeLength(t.node.getNodeType(e));return ai.join("").slice(0,r)!==t.components}return!1}setup(e){const{targetNode:t,sourceNode:r}=this,s=t.getScope();e.getDataFromNode(s).assign=!0;const i=e.getNodeProperties(this);i.sourceNode=r,i.targetNode=t.context({assign:!0})}generate(e,t){const{targetNode:r,sourceNode:s}=e.getNodeProperties(this),i=this.needsSplitAssign(e),n=r.build(e),a=r.getNodeType(e),o=s.build(e,a),u=s.getNodeType(e),l=e.getDataFromNode(this);let d;if(!0===l.initialized)"void"!==t&&(d=n);else if(i){const s=e.getVarFromNode(this,null,a),i=e.getPropertyName(s);e.addLineFlowCode(`${i} = ${o}`,this);const u=r.node,l=u.node.context({assign:!0}).build(e);for(let t=0;t<u.components.length;t++){const r=u.components[t];e.addLineFlowCode(`${l}.${r} = ${i}[ ${t} ]`,this)}"void"!==t&&(d=n)}else d=`${n} = ${o}`,"void"!==t&&"void"!==u||(e.addLineFlowCode(d,this),"void"!==t&&(d=n));return l.initialized=!0,e.format(d,a,t)}}const Ea=sn(Ra).setParameterLength(2);Si("assign",Ea);class Aa extends hi{static get type(){return"FunctionCallNode"}constructor(e=null,t={}){super(),this.functionNode=e,this.parameters=t}setParameters(e){return this.parameters=e,this}getParameters(){return this.parameters}getNodeType(e){return this.functionNode.getNodeType(e)}getMemberType(e,t){return this.functionNode.getMemberType(e,t)}generate(e){const t=[],r=this.functionNode,s=r.getInputs(e),i=this.parameters,n=(t,r)=>{const s=r.type;let i;return i="pointer"===s?"&"+t.build(e):t.build(e,s),i};if(Array.isArray(i)){if(i.length>s.length)o("TSL: The number of provided parameters exceeds the expected number of inputs in 'Fn()'."),i.length=s.length;else if(i.length<s.length)for(o("TSL: The number of provided parameters is less than the expected number of inputs in 'Fn()'.");i.length<s.length;)i.push(mn(0));for(let e=0;e<i.length;e++)t.push(n(i[e],s[e]))}else for(const e of s){const r=i[e.name];void 0!==r?t.push(n(r,e)):(o(`TSL: Input '${e.name}' not found in 'Fn()'.`),t.push(n(mn(0),e)))}return`${r.build(e,"property")}( ${t.join(", ")} )`}}const wa=(e,...t)=>(t=t.length>1||t[0]&&!0===t[0].isNode?rn(t):tn(t[0]),new Aa(Ji(e),t));Si("call",wa);const Ca={"==":"equal","!=":"notEqual","<":"lessThan",">":"greaterThan","<=":"lessThanEqual",">=":"greaterThanEqual","%":"mod"};class Ma extends hi{static get type(){return"OperatorNode"}constructor(e,t,r,...s){if(super(),s.length>0){let i=new Ma(e,t,r);for(let t=0;t<s.length-1;t++)i=new Ma(e,i,s[t]);t=i,r=s[s.length-1]}this.op=e,this.aNode=t,this.bNode=r,this.isOperatorNode=!0}getOperatorMethod(e,t){return e.getMethod(Ca[this.op],t)}getNodeType(e,t=null){const r=this.op,s=this.aNode,i=this.bNode,n=s.getNodeType(e),a=i?i.getNodeType(e):null;if("void"===n||"void"===a)return t||"void";if("%"===r)return n;if("~"===r||"&"===r||"|"===r||"^"===r||">>"===r||"<<"===r)return e.getIntegerType(n);if("!"===r||"&&"===r||"||"===r||"^^"===r)return"bool";if("=="===r||"!="===r||"<"===r||">"===r||"<="===r||">="===r){const t=Math.max(e.getTypeLength(n),e.getTypeLength(a));return t>1?`bvec${t}`:"bool"}if(e.isMatrix(n)){if("float"===a)return n;if(e.isVector(a))return e.getVectorFromMatrix(n);if(e.isMatrix(a))return n}else if(e.isMatrix(a)){if("float"===n)return a;if(e.isVector(n))return e.getVectorFromMatrix(a)}return e.getTypeLength(a)>e.getTypeLength(n)?a:n}generate(e,t){const r=this.op,{aNode:s,bNode:i}=this,n=this.getNodeType(e,t);let a=null,o=null;"void"!==n?(a=s.getNodeType(e),o=i?i.getNodeType(e):null,"<"===r||">"===r||"<="===r||">="===r||"=="===r||"!="===r?e.isVector(a)?o=a:e.isVector(o)?a=o:a!==o&&(a=o="float"):">>"===r||"<<"===r?(a=n,o=e.changeComponentType(o,"uint")):"%"===r?(a=n,o=e.isInteger(a)&&e.isInteger(o)?o:a):e.isMatrix(a)?"float"===o?o="float":e.isVector(o)?o=e.getVectorFromMatrix(a):e.isMatrix(o)||(a=o=n):a=e.isMatrix(o)?"float"===a?"float":e.isVector(a)?e.getVectorFromMatrix(o):o=n:o=n):a=o=n;const u=s.build(e,a),l=i?i.build(e,o):null,d=e.getFunctionOperator(r);if("void"!==t){const s=e.renderer.coordinateSystem===c;if("=="===r||"!="===r||"<"===r||">"===r||"<="===r||">="===r)return s&&e.isVector(a)?e.format(`${this.getOperatorMethod(e,t)}( ${u}, ${l} )`,n,t):e.format(`( ${u} ${r} ${l} )`,n,t);if("%"===r)return e.isInteger(o)?e.format(`( ${u} % ${l} )`,n,t):e.format(`${this.getOperatorMethod(e,n)}( ${u}, ${l} )`,n,t);if("!"===r||"~"===r)return e.format(`(${r}${u})`,a,t);if(d)return e.format(`${d}( ${u}, ${l} )`,n,t);if(e.isMatrix(a)&&"float"===o)return e.format(`( ${l} ${r} ${u} )`,n,t);if("float"===a&&e.isMatrix(o))return e.format(`${u} ${r} ${l}`,n,t);{let i=`( ${u} ${r} ${l} )`;return!s&&"bool"===n&&e.isVector(a)&&e.isVector(o)&&(i=`all${i}`),e.format(i,n,t)}}if("void"!==a)return d?e.format(`${d}( ${u}, ${l} )`,n,t):e.isMatrix(a)&&"float"===o?e.format(`${l} ${r} ${u}`,n,t):e.format(`${u} ${r} ${l}`,n,t)}serialize(e){super.serialize(e),e.op=this.op}deserialize(e){super.deserialize(e),this.op=e.op}}const Ba=an(Ma,"+").setParameterLength(2,1/0).setName("add"),Fa=an(Ma,"-").setParameterLength(2,1/0).setName("sub"),La=an(Ma,"*").setParameterLength(2,1/0).setName("mul"),Pa=an(Ma,"/").setParameterLength(2,1/0).setName("div"),Da=an(Ma,"%").setParameterLength(2).setName("mod"),Ua=an(Ma,"==").setParameterLength(2).setName("equal"),Ia=an(Ma,"!=").setParameterLength(2).setName("notEqual"),Oa=an(Ma,"<").setParameterLength(2).setName("lessThan"),Va=an(Ma,">").setParameterLength(2).setName("greaterThan"),ka=an(Ma,"<=").setParameterLength(2).setName("lessThanEqual"),Ga=an(Ma,">=").setParameterLength(2).setName("greaterThanEqual"),za=an(Ma,"&&").setParameterLength(2,1/0).setName("and"),$a=an(Ma,"||").setParameterLength(2,1/0).setName("or"),Wa=an(Ma,"!").setParameterLength(1).setName("not"),Ha=an(Ma,"^^").setParameterLength(2).setName("xor"),qa=an(Ma,"&").setParameterLength(2).setName("bitAnd"),ja=an(Ma,"~").setParameterLength(1).setName("bitNot"),Xa=an(Ma,"|").setParameterLength(2).setName("bitOr"),Ka=an(Ma,"^").setParameterLength(2).setName("bitXor"),Ya=an(Ma,"<<").setParameterLength(2).setName("shiftLeft"),Qa=an(Ma,">>").setParameterLength(2).setName("shiftRight"),Za=ln(([e])=>(e.addAssign(1),e)),Ja=ln(([e])=>(e.subAssign(1),e)),eo=ln(([e])=>{const t=fn(e).toConst();return e.addAssign(1),t}),to=ln(([e])=>{const t=fn(e).toConst();return e.subAssign(1),t});Si("add",Ba),Si("sub",Fa),Si("mul",La),Si("div",Pa),Si("mod",Da),Si("equal",Ua),Si("notEqual",Ia),Si("lessThan",Oa),Si("greaterThan",Va),Si("lessThanEqual",ka),Si("greaterThanEqual",Ga),Si("and",za),Si("or",$a),Si("not",Wa),Si("xor",Ha),Si("bitAnd",qa),Si("bitNot",ja),Si("bitOr",Xa),Si("bitXor",Ka),Si("shiftLeft",Ya),Si("shiftRight",Qa),Si("incrementBefore",Za),Si("decrementBefore",Ja),Si("increment",eo),Si("decrement",to);const ro=(e,t)=>(d('TSL: "modInt()" is deprecated. Use "mod( int( ... ) )" instead.',new Ds),Da(fn(e),fn(t)));Si("modInt",ro);class so extends hi{static get type(){return"MathNode"}constructor(e,t,r=null,s=null){if(super(),(e===so.MAX||e===so.MIN)&&arguments.length>3){let i=new so(e,t,r);for(let t=2;t<arguments.length-1;t++)i=new so(e,i,arguments[t]);t=i,r=arguments[arguments.length-1],s=null}this.method=e,this.aNode=t,this.bNode=r,this.cNode=s,this.isMathNode=!0}getInputType(e){const t=this.aNode.getNodeType(e),r=this.bNode?this.bNode.getNodeType(e):null,s=this.cNode?this.cNode.getNodeType(e):null,i=e.isMatrix(t)?0:e.getTypeLength(t),n=e.isMatrix(r)?0:e.getTypeLength(r),a=e.isMatrix(s)?0:e.getTypeLength(s);return i>n&&i>a?t:n>a?r:a>i?s:t}getNodeType(e){const t=this.method;return t===so.LENGTH||t===so.DISTANCE||t===so.DOT?"float":t===so.CROSS?"vec3":t===so.ALL||t===so.ANY?"bool":t===so.EQUALS?e.changeComponentType(this.aNode.getNodeType(e),"bool"):this.getInputType(e)}setup(e){const{aNode:t,bNode:r,method:s}=this;let i=null;if(s===so.ONE_MINUS)i=Fa(1,t);else if(s===so.RECIPROCAL)i=Pa(1,t);else if(s===so.DIFFERENCE)i=Bo(Fa(t,r));else if(s===so.TRANSFORM_DIRECTION){let s=t,n=r;e.isMatrix(s.getNodeType(e))?n=An(Nn(n),0):s=An(Nn(s),0);const a=La(s,n).xyz;i=No(a)}return null!==i?i:super.setup(e)}generate(e,t){if(e.getNodeProperties(this).outputNode)return super.generate(e,t);let r=this.method;const s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,a=this.bNode,o=this.cNode,u=e.renderer.coordinateSystem;if(r===so.NEGATE)return e.format("( - "+n.build(e,i)+" )",s,t);{const l=[];return r===so.CROSS?l.push(n.build(e,s),a.build(e,s)):u===c&&r===so.STEP?l.push(n.build(e,1===e.getTypeLength(n.getNodeType(e))?"float":i),a.build(e,i)):u!==c||r!==so.MIN&&r!==so.MAX?r===so.REFRACT?l.push(n.build(e,i),a.build(e,i),o.build(e,"float")):r===so.MIX?l.push(n.build(e,i),a.build(e,i),o.build(e,1===e.getTypeLength(o.getNodeType(e))?"float":i)):(u===h&&r===so.ATAN&&null!==a&&(r="atan2"),"fragment"===e.shaderStage||r!==so.DFDX&&r!==so.DFDY||(d(`TSL: '${r}' is not supported in the ${e.shaderStage} stage.`,this.stackTrace),r="/*"+r+"*/"),l.push(n.build(e,i)),null!==a&&l.push(a.build(e,i)),null!==o&&l.push(o.build(e,i))):l.push(n.build(e,i),a.build(e,1===e.getTypeLength(a.getNodeType(e))?"float":i)),e.format(`${e.getMethod(r,s)}( ${l.join(", ")} )`,s,t)}}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}so.ALL="all",so.ANY="any",so.RADIANS="radians",so.DEGREES="degrees",so.EXP="exp",so.EXP2="exp2",so.LOG="log",so.LOG2="log2",so.SQRT="sqrt",so.INVERSE_SQRT="inversesqrt",so.FLOOR="floor",so.CEIL="ceil",so.NORMALIZE="normalize",so.FRACT="fract",so.SIN="sin",so.COS="cos",so.TAN="tan",so.ASIN="asin",so.ACOS="acos",so.ATAN="atan",so.ABS="abs",so.SIGN="sign",so.LENGTH="length",so.NEGATE="negate",so.ONE_MINUS="oneMinus",so.DFDX="dFdx",so.DFDY="dFdy",so.ROUND="round",so.RECIPROCAL="reciprocal",so.TRUNC="trunc",so.FWIDTH="fwidth",so.TRANSPOSE="transpose",so.DETERMINANT="determinant",so.INVERSE="inverse",so.EQUALS="equals",so.MIN="min",so.MAX="max",so.STEP="step",so.REFLECT="reflect",so.DISTANCE="distance",so.DIFFERENCE="difference",so.DOT="dot",so.CROSS="cross",so.POW="pow",so.TRANSFORM_DIRECTION="transformDirection",so.MIX="mix",so.CLAMP="clamp",so.REFRACT="refract",so.SMOOTHSTEP="smoothstep",so.FACEFORWARD="faceforward";const io=mn(1e-6),no=mn(1e6),ao=mn(Math.PI),oo=mn(2*Math.PI),uo=mn(2*Math.PI),lo=mn(.5*Math.PI),co=an(so,so.ALL).setParameterLength(1),ho=an(so,so.ANY).setParameterLength(1),po=an(so,so.RADIANS).setParameterLength(1),go=an(so,so.DEGREES).setParameterLength(1),mo=an(so,so.EXP).setParameterLength(1),fo=an(so,so.EXP2).setParameterLength(1),yo=an(so,so.LOG).setParameterLength(1),bo=an(so,so.LOG2).setParameterLength(1),xo=an(so,so.SQRT).setParameterLength(1),To=an(so,so.INVERSE_SQRT).setParameterLength(1),_o=an(so,so.FLOOR).setParameterLength(1),vo=an(so,so.CEIL).setParameterLength(1),No=an(so,so.NORMALIZE).setParameterLength(1),So=an(so,so.FRACT).setParameterLength(1),Ro=an(so,so.SIN).setParameterLength(1),Eo=an(so,so.COS).setParameterLength(1),Ao=an(so,so.TAN).setParameterLength(1),wo=an(so,so.ASIN).setParameterLength(1),Co=an(so,so.ACOS).setParameterLength(1),Mo=an(so,so.ATAN).setParameterLength(1,2),Bo=an(so,so.ABS).setParameterLength(1),Fo=an(so,so.SIGN).setParameterLength(1),Lo=an(so,so.LENGTH).setParameterLength(1),Po=an(so,so.NEGATE).setParameterLength(1),Do=an(so,so.ONE_MINUS).setParameterLength(1),Uo=an(so,so.DFDX).setParameterLength(1),Io=an(so,so.DFDY).setParameterLength(1),Oo=an(so,so.ROUND).setParameterLength(1),Vo=an(so,so.RECIPROCAL).setParameterLength(1),ko=an(so,so.TRUNC).setParameterLength(1),Go=an(so,so.FWIDTH).setParameterLength(1),zo=an(so,so.TRANSPOSE).setParameterLength(1),$o=an(so,so.DETERMINANT).setParameterLength(1),Wo=an(so,so.INVERSE).setParameterLength(1),Ho=an(so,so.MIN).setParameterLength(2,1/0),qo=an(so,so.MAX).setParameterLength(2,1/0),jo=an(so,so.STEP).setParameterLength(2),Xo=an(so,so.REFLECT).setParameterLength(2),Ko=an(so,so.DISTANCE).setParameterLength(2),Yo=an(so,so.DIFFERENCE).setParameterLength(2),Qo=an(so,so.DOT).setParameterLength(2),Zo=an(so,so.CROSS).setParameterLength(2),Jo=an(so,so.POW).setParameterLength(2),eu=e=>La(e,e),tu=e=>La(e,e,e),ru=e=>La(e,e,e,e),su=an(so,so.TRANSFORM_DIRECTION).setParameterLength(2),iu=e=>La(Fo(e),Jo(Bo(e),1/3)),nu=e=>Qo(e,e),au=an(so,so.MIX).setParameterLength(3),ou=(e,t=0,r=1)=>Ji(new so(so.CLAMP,Ji(e),Ji(t),Ji(r))),uu=e=>ou(e),lu=an(so,so.REFRACT).setParameterLength(3),du=an(so,so.SMOOTHSTEP).setParameterLength(3),cu=an(so,so.FACEFORWARD).setParameterLength(3),hu=ln(([e])=>{const t=Qo(e.xy,xn(12.9898,78.233)),r=Da(t,ao);return So(Ro(r).mul(43758.5453))}),pu=(e,t,r)=>au(t,r,e),gu=(e,t,r)=>du(t,r,e),mu=(e,t)=>jo(t,e),fu=cu,yu=To;Si("all",co),Si("any",ho),Si("radians",po),Si("degrees",go),Si("exp",mo),Si("exp2",fo),Si("log",yo),Si("log2",bo),Si("sqrt",xo),Si("inverseSqrt",To),Si("floor",_o),Si("ceil",vo),Si("normalize",No),Si("fract",So),Si("sin",Ro),Si("cos",Eo),Si("tan",Ao),Si("asin",wo),Si("acos",Co),Si("atan",Mo),Si("abs",Bo),Si("sign",Fo),Si("length",Lo),Si("lengthSq",nu),Si("negate",Po),Si("oneMinus",Do),Si("dFdx",Uo),Si("dFdy",Io),Si("round",Oo),Si("reciprocal",Vo),Si("trunc",ko),Si("fwidth",Go),Si("min",Ho),Si("max",qo),Si("step",mu),Si("reflect",Xo),Si("distance",Ko),Si("dot",Qo),Si("cross",Zo),Si("pow",Jo),Si("pow2",eu),Si("pow3",tu),Si("pow4",ru),Si("transformDirection",su),Si("mix",pu),Si("clamp",ou),Si("refract",lu),Si("smoothstep",gu),Si("faceForward",cu),Si("difference",Yo),Si("saturate",uu),Si("cbrt",iu),Si("transpose",zo),Si("determinant",$o),Si("inverse",Wo),Si("rand",hu);class bu extends li{static get type(){return"ConditionalNode"}constructor(e,t,r=null){super(),this.condNode=e,this.ifNode=t,this.elseNode=r}getNodeType(e){const{ifNode:t,elseNode:r}=e.getNodeProperties(this);if(void 0===t)return e.flowBuildStage(this,"setup"),this.getNodeType(e);const s=t.getNodeType(e);if(null!==r){const t=r.getNodeType(e);if(e.getTypeLength(t)>e.getTypeLength(s))return t}return s}setup(e){const t=this.condNode,r=this.ifNode.isolate(),s=this.elseNode?this.elseNode.isolate():null,i=e.context.nodeBlock;e.getDataFromNode(r).parentNodeBlock=i,null!==s&&(e.getDataFromNode(s).parentNodeBlock=i);const n=e.context.uniformFlow,a=e.getNodeProperties(this);a.condNode=t,a.ifNode=n?r:r.context({nodeBlock:r}),a.elseNode=s?n?s:s.context({nodeBlock:s}):null}generate(e,t){const r=this.getNodeType(e),s=e.getDataFromNode(this);if(void 0!==s.nodeProperty)return s.nodeProperty;const{condNode:i,ifNode:n,elseNode:a}=e.getNodeProperties(this),o=e.currentFunctionNode,u="void"!==t,l=u?In(r).build(e):"";s.nodeProperty=l;const c=i.build(e,"bool");if(e.context.uniformFlow&&null!==a){const s=n.build(e,r),i=a.build(e,r),o=e.getTernary(c,s,i);return e.format(o,r,t)}e.addFlowCode(`\n${e.tab}if ( ${c} ) {\n\n`).addFlowTab();let h=n.build(e,r);if(h&&(u?h=l+" = "+h+";":(h="return "+h+";",null===o&&(d("TSL: Return statement used in an inline 'Fn()'. Define a layout struct to allow return values.",this.stackTrace),h="// "+h))),e.removeFlowTab().addFlowCode(e.tab+"\t"+h+"\n\n"+e.tab+"}"),null!==a){e.addFlowCode(" else {\n\n").addFlowTab();let t=a.build(e,r);t&&(u?t=l+" = "+t+";":(t="return "+t+";",null===o&&(d("TSL: Return statement used in an inline 'Fn()'. Define a layout struct to allow return values.",this.stackTrace),t="// "+t))),e.removeFlowTab().addFlowCode(e.tab+"\t"+t+"\n\n"+e.tab+"}\n\n")}else e.addFlowCode("\n\n");return e.format(l,r,t)}}const xu=sn(bu).setParameterLength(2,3);Si("select",xu);class Tu extends li{static get type(){return"ContextNode"}constructor(e=null,t={}){super(),this.isContextNode=!0,this.node=e,this.value=t}getScope(){return this.node.getScope()}getNodeType(e){return this.node.getNodeType(e)}getFlowContextData(){const e=[];return this.traverse(t=>{!0===t.isContextNode&&e.push(t.value)}),Object.assign({},...e)}getMemberType(e,t){return this.node.getMemberType(e,t)}analyze(e){const t=e.addContext(this.value);this.node.build(e),e.setContext(t)}setup(e){const t=e.addContext(this.value);this.node.build(e),e.setContext(t)}generate(e,t){const r=e.addContext(this.value),s=this.node.build(e,t);return e.setContext(r),s}}const _u=(e=null,t={})=>{let r=e;return null!==r&&!0===r.isNode||(t=r||t,r=null),new Tu(r,t)},vu=e=>_u(e,{uniformFlow:!0}),Nu=(e,t)=>_u(e,{nodeName:t});function Su(e,t,r=null){return _u(r,{getShadow:({light:r,shadowColorNode:s})=>t===r?s.mul(e):s})}function Ru(e,t=null){return _u(t,{getAO:(t,{material:r})=>!0===r.transparent?t:null!==t?t.mul(e):e})}function Eu(e,t){return d('TSL: "label()" has been deprecated. Use "setName()" instead.'),Nu(e,t)}Si("context",_u),Si("label",Eu),Si("uniformFlow",vu),Si("setName",Nu),Si("builtinShadowContext",(e,t,r)=>Su(t,r,e)),Si("builtinAOContext",(e,t)=>Ru(t,e));class Au extends li{static get type(){return"VarNode"}constructor(e,t=null,r=!1){super(),this.node=e,this.name=t,this.global=!0,this.isVarNode=!0,this.readOnly=r,this.parents=!0,this.intent=!1}setIntent(e){return this.intent=e,this}isIntent(e){return!0!==e.getDataFromNode(this).forceDeclaration&&this.intent}getIntent(){return this.intent}getMemberType(e,t){return this.node.getMemberType(e,t)}getElementType(e){return this.node.getElementType(e)}getNodeType(e){return this.node.getNodeType(e)}getArrayCount(e){return this.node.getArrayCount(e)}isAssign(e){return e.getDataFromNode(this).assign}build(...e){const t=e[0];if(!1===this._hasStack(t)&&"setup"===t.buildStage&&(t.context.nodeLoop||t.context.nodeBlock)){let e=!1;if(this.node.isShaderCallNodeInternal&&null===this.node.shaderNode.getLayout()&&t.fnCall&&t.fnCall.shaderNode){if(t.getDataFromNode(this.node.shaderNode).hasLoop){t.getDataFromNode(this).forceDeclaration=!0,e=!0}}const r=t.getBaseStack();e?r.addToStackBefore(this):r.addToStack(this)}return this.isIntent(t)&&!0!==this.isAssign(t)?this.node.build(...e):super.build(...e)}generate(e){const{node:t,name:r,readOnly:s}=this,{renderer:i}=e,n=!0===i.backend.isWebGPUBackend;let a=!1,u=!1;s&&(a=e.isDeterministic(t),u=n?s:a);const l=this.getNodeType(e);if("void"==l){!0!==this.isIntent(e)&&o('TSL: ".toVar()" can not be used with void type.',this.stackTrace);return t.build(e)}const d=e.getVectorType(l),c=t.build(e,d),h=e.getVarFromNode(this,r,d,void 0,u),p=e.getPropertyName(h);let g=p;if(u)if(n)g=a?`const ${p}`:`let ${p}`;else{const r=t.getArrayCount(e);g=`const ${e.getVar(h.type,p,r)}`}return e.addLineFlowCode(`${g} = ${c}`,this),p}_hasStack(e){return void 0!==e.getDataFromNode(this).stack}}const wu=sn(Au),Cu=(e,t=null)=>wu(e,t).toStack(),Mu=(e,t=null)=>wu(e,t,!0).toStack(),Bu=e=>wu(e).setIntent(!0).toStack();Si("toVar",Cu),Si("toConst",Mu),Si("toVarIntent",Bu);class Fu extends li{static get type(){return"SubBuild"}constructor(e,t,r=null){super(r),this.node=e,this.name=t,this.isSubBuildNode=!0}getNodeType(e){if(null!==this.nodeType)return this.nodeType;e.addSubBuild(this.name);const t=this.node.getNodeType(e);return e.removeSubBuild(),t}build(e,...t){e.addSubBuild(this.name);const r=this.node.build(e,...t);return e.removeSubBuild(),r}}const Lu=(e,t,r=null)=>Ji(new Fu(Ji(e),t,r));class Pu extends li{static get type(){return"VaryingNode"}constructor(e,t=null){super(),this.node=Lu(e,"VERTEX"),this.name=t,this.isVaryingNode=!0,this.interpolationType=null,this.interpolationSampling=null,this.global=!0}setInterpolation(e,t=null){return this.interpolationType=e,this.interpolationSampling=t,this}getHash(e){return this.name||super.getHash(e)}getNodeType(e){return this.node.getNodeType(e)}setupVarying(e){const t=e.getNodeProperties(this);let r=t.varying;if(void 0===r){const s=this.name,i=this.getNodeType(e),n=this.interpolationType,a=this.interpolationSampling;t.varying=r=e.getVaryingFromNode(this,s,i,n,a),t.node=Lu(this.node,"VERTEX")}return r.needsInterpolation||(r.needsInterpolation="fragment"===e.shaderStage),r}setup(e){this.setupVarying(e),e.flowNodeFromShaderStage(Js.VERTEX,this.node)}analyze(e){this.setupVarying(e),e.flowNodeFromShaderStage(Js.VERTEX,this.node)}generate(e){const t=e.getSubBuildProperty("property",e.currentStack),r=e.getNodeProperties(this),s=this.setupVarying(e);if(void 0===r[t]){const i=this.getNodeType(e),n=e.getPropertyName(s,Js.VERTEX);e.flowNodeFromShaderStage(Js.VERTEX,r.node,i,n),r[t]=n}return e.getPropertyName(s)}}const Du=sn(Pu).setParameterLength(1,2),Uu=e=>Du(e);Si("toVarying",Du),Si("toVertexStage",Uu);const Iu=ln(([e])=>{const t=e.mul(.9478672986).add(.0521327014).pow(2.4),r=e.mul(.0773993808),s=e.lessThanEqual(.04045);return au(t,r,s)}).setLayout({name:"sRGBTransferEOTF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Ou=ln(([e])=>{const t=e.pow(.41666).mul(1.055).sub(.055),r=e.mul(12.92),s=e.lessThanEqual(.0031308);return au(t,r,s)}).setLayout({name:"sRGBTransferOETF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),Vu="WorkingColorSpace";class ku extends hi{static get type(){return"ColorSpaceNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this.source=t,this.target=r}resolveColorSpace(e,t){return t===Vu?p.workingColorSpace:"OutputColorSpace"===t?e.context.outputColorSpace||e.renderer.outputColorSpace:t}setup(e){const{colorNode:t}=this,r=this.resolveColorSpace(e,this.source),s=this.resolveColorSpace(e,this.target);let i=t;return!1!==p.enabled&&r!==s&&r&&s?(p.getTransfer(r)===g&&(i=An(Iu(i.rgb),i.a)),p.getPrimaries(r)!==p.getPrimaries(s)&&(i=An(Fn(p._getMatrix(new n,r,s)).mul(i.rgb),i.a)),p.getTransfer(s)===g&&(i=An(Ou(i.rgb),i.a)),i):i}}const Gu=(e,t)=>Ji(new ku(Ji(e),Vu,t)),zu=(e,t)=>Ji(new ku(Ji(e),t,Vu));Si("workingToColorSpace",Gu),Si("colorSpaceToWorking",zu);let $u=class extends di{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}getNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,r,s)}};class Wu extends li{static get type(){return"ReferenceBaseNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.updateType=ei.OBJECT}setGroup(e){return this.group=e,this}element(e){return new $u(this,Ji(e))}setNodeType(e){const t=va(null,e);null!==this.group&&t.setGroup(this.group),this.node=t}getNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}class Hu extends Wu{static get type(){return"RendererReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.renderer=r,this.setGroup(xa)}updateReference(e){return this.reference=null!==this.renderer?this.renderer:e.renderer,this.reference}}const qu=(e,t,r=null)=>new Hu(e,t,r);class ju extends hi{static get type(){return"ToneMappingNode"}constructor(e,t=Ku,r=null){super("vec3"),this._toneMapping=e,this.exposureNode=t,this.colorNode=r}customCacheKey(){return Vs(this._toneMapping)}setToneMapping(e){return this._toneMapping=e,this}getToneMapping(){return this._toneMapping}setup(e){const t=this.colorNode||e.context.color,r=this._toneMapping;if(r===m)return t;let s=null;const i=e.renderer.library.getToneMappingFunction(r);return null!==i?s=An(i(t.rgb,this.exposureNode),t.a):(o("ToneMappingNode: Unsupported Tone Mapping configuration.",r),s=t),s}}const Xu=(e,t,r)=>Ji(new ju(e,Ji(t),Ji(r))),Ku=qu("toneMappingExposure","float");Si("toneMapping",(e,t,r)=>Xu(t,r,e));const Yu=new WeakMap;function Qu(e,t){let r=Yu.get(e);return void 0===r&&(r=new b(e,t),Yu.set(e,r)),r}class Zu extends bi{static get type(){return"BufferAttributeNode"}constructor(e,t=null,r=0,s=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferStride=r,this.bufferOffset=s,this.usage=f,this.instanced=!1,this.attribute=null,this.global=!0,e&&!0===e.isBufferAttribute&&e.itemSize<=4&&(this.attribute=e,this.usage=e.usage,this.instanced=e.isInstancedBufferAttribute)}getHash(e){if(0===this.bufferStride&&0===this.bufferOffset){let t=e.globalCache.getData(this.value);return void 0===t&&(t={node:this},e.globalCache.setData(this.value,t)),t.node.uuid}return this.uuid}getNodeType(e){return null===this.bufferType&&(this.bufferType=e.getTypeFromAttribute(this.attribute)),this.bufferType}setup(e){if(null!==this.attribute)return;const t=this.getNodeType(e),r=e.getTypeLength(t),s=this.value,i=this.bufferStride||r,n=this.bufferOffset;let a;a=!0===s.isInterleavedBuffer?s:!0===s.isBufferAttribute?Qu(s.array,i):Qu(s,i);const o=new y(a,r,n);a.setUsage(this.usage),this.attribute=o,this.attribute.isInstancedBufferAttribute=this.instanced}generate(e){const t=this.getNodeType(e),r=e.getBufferAttributeFromNode(this,t),s=e.getPropertyName(r);let i=null;if("vertex"===e.shaderStage||"compute"===e.shaderStage)this.name=s,i=s;else{i=Du(this).build(e,t)}return i}getInputType(){return"bufferAttribute"}setUsage(e){return this.usage=e,this.attribute&&!0===this.attribute.isBufferAttribute&&(this.attribute.usage=e),this}setInstanced(e){return this.instanced=e,this}}function Ju(e,t=null,r=0,s=0,i=f,n=!1){return"mat3"===t||null===t&&9===e.itemSize?Fn(new Zu(e,"vec3",9,0).setUsage(i).setInstanced(n),new Zu(e,"vec3",9,3).setUsage(i).setInstanced(n),new Zu(e,"vec3",9,6).setUsage(i).setInstanced(n)):"mat4"===t||null===t&&16===e.itemSize?Ln(new Zu(e,"vec4",16,0).setUsage(i).setInstanced(n),new Zu(e,"vec4",16,4).setUsage(i).setInstanced(n),new Zu(e,"vec4",16,8).setUsage(i).setInstanced(n),new Zu(e,"vec4",16,12).setUsage(i).setInstanced(n)):new Zu(e,t,r,s).setUsage(i)}const el=(e,t=null,r=0,s=0)=>Ju(e,t,r,s),tl=(e,t=null,r=0,s=0)=>Ju(e,t,r,s,f,!0),rl=(e,t=null,r=0,s=0)=>Ju(e,t,r,s,x,!0);Si("toAttribute",e=>el(e.value));class sl extends li{static get type(){return"ComputeNode"}constructor(e,t){super("void"),this.isComputeNode=!0,this.computeNode=e,this.workgroupSize=t,this.count=null,this.version=1,this.name="",this.updateBeforeType=ei.OBJECT,this.onInitFunction=null}setCount(e){return this.count=e,this}getCount(){return this.count}dispose(){this.dispatchEvent({type:"dispose"})}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Ds),this.setName(e)}onInit(e){return this.onInitFunction=e,this}updateBefore({renderer:e}){e.compute(this)}setup(e){const t=this.computeNode.build(e);if(t){e.getNodeProperties(this).outputComputeNode=t.outputNode,t.outputNode=null}return t}generate(e,t){const{shaderStage:r}=e;if("compute"===r){const t=this.computeNode.build(e,"void");""!==t&&e.addLineFlowCode(t,this)}else{const r=e.getNodeProperties(this).outputComputeNode;if(r)return r.build(e,t)}}}const il=(e,t=[64])=>{(0===t.length||t.length>3)&&o("TSL: compute() workgroupSize must have 1, 2, or 3 elements",new Ds);for(let e=0;e<t.length;e++){const r=t[e];("number"!=typeof r||r<=0||!Number.isInteger(r))&&o(`TSL: compute() workgroupSize element at index [ ${e} ] must be a positive integer`,new Ds)}for(;t.length<3;)t.push(1);return Ji(new sl(Ji(e),t))},nl=(e,t,r)=>il(e,r).setCount(t);Si("compute",nl),Si("computeKernel",il);class al extends li{static get type(){return"IsolateNode"}constructor(e,t=!0){super(),this.node=e,this.parent=t,this.isIsolateNode=!0}getNodeType(e){const t=e.getCache(),r=e.getCacheFromNode(this,this.parent);e.setCache(r);const s=this.node.getNodeType(e);return e.setCache(t),s}build(e,...t){const r=e.getCache(),s=e.getCacheFromNode(this,this.parent);e.setCache(s);const i=this.node.build(e,...t);return e.setCache(r),i}setParent(e){return this.parent=e,this}getParent(){return this.parent}}const ol=e=>new al(Ji(e));function ul(e,t=!0){return d('TSL: "cache()" has been deprecated. Use "isolate()" instead.'),ol(e).setParent(t)}Si("cache",ul),Si("isolate",ol);class ll extends li{static get type(){return"BypassNode"}constructor(e,t){super(),this.isBypassNode=!0,this.outputNode=e,this.callNode=t}getNodeType(e){return this.outputNode.getNodeType(e)}generate(e){const t=this.callNode.build(e,"void");return""!==t&&e.addLineFlowCode(t,this),this.outputNode.build(e)}}const dl=sn(ll).setParameterLength(2);Si("bypass",dl);class cl extends li{static get type(){return"RemapNode"}constructor(e,t,r,s=mn(0),i=mn(1)){super(),this.node=e,this.inLowNode=t,this.inHighNode=r,this.outLowNode=s,this.outHighNode=i,this.doClamp=!0}setup(){const{node:e,inLowNode:t,inHighNode:r,outLowNode:s,outHighNode:i,doClamp:n}=this;let a=e.sub(t).div(r.sub(t));return!0===n&&(a=a.clamp()),a.mul(i.sub(s)).add(s)}}const hl=sn(cl,null,null,{doClamp:!1}).setParameterLength(3,5),pl=sn(cl).setParameterLength(3,5);Si("remap",hl),Si("remapClamp",pl);class gl extends li{static get type(){return"ExpressionNode"}constructor(e="",t="void"){super(t),this.snippet=e}generate(e,t){const r=this.getNodeType(e),s=this.snippet;if("void"!==r)return e.format(s,r,t);e.addLineFlowCode(s,this)}}const ml=sn(gl).setParameterLength(1,2),fl=e=>(e?xu(e,ml("discard")):ml("discard")).toStack();Si("discard",fl);class yl extends hi{static get type(){return"RenderOutputNode"}constructor(e,t,r){super("vec4"),this.colorNode=e,this._toneMapping=t,this.outputColorSpace=r,this.isRenderOutputNode=!0}setToneMapping(e){return this._toneMapping=e,this}getToneMapping(){return this._toneMapping}setup({context:e}){let t=this.colorNode||e.color;const r=(null!==this._toneMapping?this._toneMapping:e.toneMapping)||m,s=(null!==this.outputColorSpace?this.outputColorSpace:e.outputColorSpace)||T;return r!==m&&(t=t.toneMapping(r)),s!==T&&s!==p.workingColorSpace&&(t=t.workingToColorSpace(s)),t}}const bl=(e,t=null,r=null)=>Ji(new yl(Ji(e),t,r));Si("renderOutput",bl);class xl extends hi{static get type(){return"DebugNode"}constructor(e,t=null){super(),this.node=e,this.callback=t}getNodeType(e){return this.node.getNodeType(e)}setup(e){return this.node.build(e)}analyze(e){return this.node.build(e)}generate(e){const t=this.callback,r=this.node.build(e);if(null!==t)t(e,r);else{const t="--- TSL debug - "+e.shaderStage+" shader ---",s="-".repeat(t.length);let i="";i+="// #"+t+"#\n",i+=e.flow.code.replace(/^\t/gm,"")+"\n",i+="/* ... */ "+r+" /* ... */\n",i+="// #"+s+"#\n",_(i)}return r}}const Tl=(e,t=null)=>Ji(new xl(Ji(e),t)).toStack();Si("debug",Tl);class _l{constructor(){this._renderer=null,this.currentFrame=null}get nodeFrame(){return this._renderer._nodes.nodeFrame}setRenderer(e){return this._renderer=e,this}getRenderer(){return this._renderer}init(){}begin(){}finish(){}inspect(){}computeAsync(){}beginCompute(){}finishCompute(){}beginRender(){}finishRender(){}copyTextureToTexture(){}copyFramebufferToTexture(){}}class vl extends li{static get type(){return"InspectorNode"}constructor(e,t="",r=null){super(),this.node=e,this.name=t,this.callback=r,this.updateType=ei.FRAME,this.isInspectorNode=!0}getName(){return this.name||this.node.name}update(e){e.renderer.inspector.inspect(this)}getNodeType(e){return this.node.getNodeType(e)}setup(e){let t=this.node;return!0===e.context.inspector&&null!==this.callback&&(t=this.callback(t)),!0!==e.renderer.backend.isWebGPUBackend&&e.renderer.inspector.constructor!==_l&&v('TSL: ".toInspector()" is only available with WebGPU.'),t}}function Nl(e,t="",r=null){return(e=Ji(e)).before(new vl(e,t,r))}Si("toInspector",Nl);class Sl extends li{static get type(){return"AttributeNode"}constructor(e,t=null){super(t),this.global=!0,this._attributeName=e}getHash(e){return this.getAttributeName(e)}getNodeType(e){let t=this.nodeType;if(null===t){const r=this.getAttributeName(e);if(e.hasGeometryAttribute(r)){const s=e.geometry.getAttribute(r);t=e.getTypeFromAttribute(s)}else t="float"}return t}setAttributeName(e){return this._attributeName=e,this}getAttributeName(){return this._attributeName}generate(e){const t=this.getAttributeName(e),r=this.getNodeType(e);if(!0===e.hasGeometryAttribute(t)){const s=e.geometry.getAttribute(t),i=e.getTypeFromAttribute(s),n=e.getAttribute(t,i);if("vertex"===e.shaderStage)return e.format(n.name,i,r);return Du(this).build(e,r)}return d(`AttributeNode: Vertex attribute "${t}" not found on geometry.`),e.generateConst(r)}serialize(e){super.serialize(e),e.global=this.global,e._attributeName=this._attributeName}deserialize(e){super.deserialize(e),this.global=e.global,this._attributeName=e._attributeName}}const Rl=(e,t=null)=>new Sl(e,t),El=(e=0)=>Rl("uv"+(e>0?e:""),"vec2");class Al extends li{static get type(){return"TextureSizeNode"}constructor(e,t=null){super("uvec2"),this.isTextureSizeNode=!0,this.textureNode=e,this.levelNode=t}generate(e,t){const r=this.textureNode.build(e,"property"),s=null===this.levelNode?"0":this.levelNode.build(e,"int");return e.format(`${e.getMethod("textureDimensions")}( ${r}, ${s} )`,this.getNodeType(e),t)}}const wl=sn(Al).setParameterLength(1,2);class Cl extends _a{static get type(){return"MaxMipLevelNode"}constructor(e){super(0),this._textureNode=e,this.updateType=ei.FRAME}get textureNode(){return this._textureNode}get texture(){return this._textureNode.value}update(){const e=this.texture,t=e.images,r=t&&t.length>0?t[0]&&t[0].image||t[0]:e.image;if(r&&void 0!==r.width){const{width:e,height:t}=r;this.value=Math.log2(Math.max(e,t))}}}const Ml=sn(Cl).setParameterLength(1);class Bl extends Error{constructor(e,t=null){super(e),this.name="NodeError",this.stackTrace=t}}const Fl=new N;class Ll extends _a{static get type(){return"TextureNode"}constructor(e=Fl,t=null,r=null,s=null){super(e),this.isTextureNode=!0,this.uvNode=t,this.levelNode=r,this.biasNode=s,this.compareNode=null,this.depthNode=null,this.gradNode=null,this.offsetNode=null,this.sampler=!0,this.updateMatrix=!1,this.updateType=ei.NONE,this.referenceNode=null,this._value=e,this._matrixUniform=null,this._flipYUniform=null,this.setUpdateMatrix(null===t)}set value(e){this.referenceNode?this.referenceNode.value=e:this._value=e}get value(){return this.referenceNode?this.referenceNode.value:this._value}getUniformHash(){return this.value.uuid}getNodeType(){return!0===this.value.isDepthTexture?"float":this.value.type===S?"uvec4":this.value.type===R?"ivec4":"vec4"}getInputType(){return"texture"}getDefaultUV(){return El(this.value.channel)}updateReference(){return this.value}getTransformedUV(e){return null===this._matrixUniform&&(this._matrixUniform=va(this.value.matrix)),this._matrixUniform.mul(Nn(e,1)).xy}setUpdateMatrix(e){return this.updateMatrix=e,this}setupUV(e,t){return e.isFlipY()&&(null===this._flipYUniform&&(this._flipYUniform=va(!1)),t=t.toVar(),t=this.sampler?this._flipYUniform.select(t.flipY(),t):this._flipYUniform.select(t.setY(fn(wl(this,this.levelNode).y).sub(t.y).sub(1)),t)),t}setup(e){const t=e.getNodeProperties(this);t.referenceNode=this.referenceNode;const r=this.value;if(!r||!0!==r.isTexture)throw new Bl("THREE.TSL: `texture( value )` function expects a valid instance of THREE.Texture().",this.stackTrace);const s=ln(()=>{let t=this.uvNode;return null!==t&&!0!==e.context.forceUVContext||!e.context.getUV||(t=e.context.getUV(this,e)),t||(t=this.getDefaultUV()),!0===this.updateMatrix&&(t=this.getTransformedUV(t)),t=this.setupUV(e,t),this.updateType=null!==this._matrixUniform||null!==this._flipYUniform?ei.OBJECT:ei.NONE,t})();let i=this.levelNode;null===i&&e.context.getTextureLevel&&(i=e.context.getTextureLevel(this));let n=null,a=null;null!==this.compareNode&&(e.renderer.hasCompatibility(E.TEXTURE_COMPARE)?n=this.compareNode:null===this.value.compareFunction||this.value.compareFunction===A?a=this.compareNode:(n=this.compareNode,v('TSL: Only "LessCompare" is supported for depth texture comparison fallback.'))),t.uvNode=s,t.levelNode=i,t.biasNode=this.biasNode,t.compareNode=n,t.compareStepNode=a,t.gradNode=this.gradNode,t.depthNode=this.depthNode,t.offsetNode=this.offsetNode}generateUV(e,t){return t.build(e,!0===this.sampler?"vec2":"ivec2")}generateOffset(e,t){return t.build(e,"ivec2")}generateSnippet(e,t,r,s,i,n,a,o,u){const l=this.value;let d;return d=i?e.generateTextureBias(l,t,r,i,n,u):o?e.generateTextureGrad(l,t,r,o,n,u):a?e.generateTextureCompare(l,t,r,a,n,u):!1===this.sampler?e.generateTextureLoad(l,t,r,s,n,u):s?e.generateTextureLevel(l,t,r,s,n,u):e.generateTexture(l,t,r,n,u),d}generate(e,t){const r=this.value,s=e.getNodeProperties(this),i=super.generate(e,"property");if(/^sampler/.test(t))return i+"_sampler";if(e.isReference(t))return i;{const n=e.getDataFromNode(this),a=this.getNodeType(e);let o=n.propertyName;if(void 0===o){const{uvNode:t,levelNode:r,biasNode:u,compareNode:l,compareStepNode:d,depthNode:c,gradNode:h,offsetNode:p}=s,g=this.generateUV(e,t),m=r?r.build(e,"float"):null,f=u?u.build(e,"float"):null,y=c?c.build(e,"int"):null,b=l?l.build(e,"float"):null,x=d?d.build(e,"float"):null,T=h?[h[0].build(e,"vec2"),h[1].build(e,"vec2")]:null,_=p?this.generateOffset(e,p):null,v=e.getVarFromNode(this);o=e.getPropertyName(v);let N=this.generateSnippet(e,i,g,m,f,y,b,T,_);null!==x&&(N=jo(ml(x,"float"),ml(N,a)).build(e,a)),e.addLineFlowCode(`${o} = ${N}`,this),n.snippet=N,n.propertyName=o}let u=o;return e.needsToWorkingColorSpace(r)&&(u=zu(ml(u,a),r.colorSpace).setup(e).build(e,a)),e.format(u,a,t)}}setSampler(e){return this.sampler=e,this}getSampler(){return this.sampler}sample(e){const t=this.clone();return t.uvNode=Ji(e),t.referenceNode=this.getBase(),Ji(t)}load(e){return this.sample(e).setSampler(!1)}blur(e){const t=this.clone();t.biasNode=Ji(e).mul(Ml(t)),t.referenceNode=this.getBase();const r=t.value;return!1===t.generateMipmaps&&(r&&!1===r.generateMipmaps||r.minFilter===w||r.magFilter===w)&&(d("TSL: texture().blur() requires mipmaps and sampling. Use .generateMipmaps=true and .minFilter/.magFilter=THREE.LinearFilter in the Texture."),t.biasNode=null),Ji(t)}level(e){const t=this.clone();return t.levelNode=Ji(e),t.referenceNode=this.getBase(),Ji(t)}size(e){return wl(this,e)}bias(e){const t=this.clone();return t.biasNode=Ji(e),t.referenceNode=this.getBase(),Ji(t)}getBase(){return this.referenceNode?this.referenceNode.getBase():this}compare(e){const t=this.clone();return t.compareNode=Ji(e),t.referenceNode=this.getBase(),Ji(t)}grad(e,t){const r=this.clone();return r.gradNode=[Ji(e),Ji(t)],r.referenceNode=this.getBase(),Ji(r)}depth(e){const t=this.clone();return t.depthNode=Ji(e),t.referenceNode=this.getBase(),Ji(t)}offset(e){const t=this.clone();return t.offsetNode=Ji(e),t.referenceNode=this.getBase(),Ji(t)}serialize(e){super.serialize(e),e.value=this.value.toJSON(e.meta).uuid,e.sampler=this.sampler,e.updateMatrix=this.updateMatrix,e.updateType=this.updateType}deserialize(e){super.deserialize(e),this.value=e.meta.textures[e.value],this.sampler=e.sampler,this.updateMatrix=e.updateMatrix,this.updateType=e.updateType}update(){const e=this.value,t=this._matrixUniform;null!==t&&(t.value=e.matrix),!0===e.matrixAutoUpdate&&e.updateMatrix();const r=this._flipYUniform;null!==r&&(r.value=e.image instanceof ImageBitmap&&!0===e.flipY||!0===e.isRenderTargetTexture||!0===e.isFramebufferTexture||!0===e.isDepthTexture)}clone(){const e=new this.constructor(this.value,this.uvNode,this.levelNode,this.biasNode);return e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.offsetNode=this.offsetNode,e}}const Pl=sn(Ll).setParameterLength(1,4).setName("texture"),Dl=(e=Fl,t=null,r=null,s=null)=>{let i;return e&&!0===e.isTextureNode?(i=Ji(e.clone()),i.referenceNode=e.getBase(),null!==t&&(i.uvNode=Ji(t)),null!==r&&(i.levelNode=Ji(r)),null!==s&&(i.biasNode=Ji(s))):i=Pl(e,t,r,s),i},Ul=(...e)=>Dl(...e).setSampler(!1);class Il extends _a{static get type(){return"BufferNode"}constructor(e,t,r=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferCount=r,this.updateRanges=[]}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}getElementType(e){return this.getNodeType(e)}getInputType(){return"buffer"}}const Ol=(e,t,r)=>new Il(e,t,r);class Vl extends di{static get type(){return"UniformArrayElementNode"}constructor(e,t){super(e,t),this.isArrayBufferElementNode=!0}generate(e){const t=super.generate(e),r=this.getNodeType(),s=this.node.getPaddedType();return e.format(t,s,r)}}class kl extends Il{static get type(){return"UniformArrayNode"}constructor(e,t=null){super(null),this.array=e,this.elementType=null===t?js(e[0]):t,this.paddedType=this.getPaddedType(),this.updateType=ei.RENDER,this.isArrayBufferNode=!0}getNodeType(){return this.paddedType}getElementType(){return this.elementType}getPaddedType(){const e=this.elementType;let t="vec4";return"mat2"===e?t="mat2":!0===/mat/.test(e)?t="mat4":"i"===e.charAt(0)?t="ivec4":"u"===e.charAt(0)&&(t="uvec4"),t}update(){const{array:e,value:t}=this,r=this.elementType;if("float"===r||"int"===r||"uint"===r)for(let r=0;r<e.length;r++){t[4*r]=e[r]}else if("color"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.r,t[s+1]=i.g,t[s+2]=i.b||0}else if("mat2"===r)for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+3]=i.elements[3]}else if("mat3"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];t[s]=i.elements[0],t[s+1]=i.elements[1],t[s+2]=i.elements[2],t[s+4]=i.elements[3],t[s+5]=i.elements[4],t[s+6]=i.elements[5],t[s+8]=i.elements[6],t[s+9]=i.elements[7],t[s+10]=i.elements[8],t[s+15]=1}else if("mat4"===r)for(let r=0;r<e.length;r++){const s=16*r,i=e[r];for(let e=0;e<i.elements.length;e++)t[s+e]=i.elements[e]}else for(let r=0;r<e.length;r++){const s=4*r,i=e[r];t[s]=i.x,t[s+1]=i.y,t[s+2]=i.z||0,t[s+3]=i.w||0}}setup(e){const t=this.array.length,r=this.elementType;let s=Float32Array;const i=this.paddedType,n=e.getTypeLength(i);return"i"===r.charAt(0)&&(s=Int32Array),"u"===r.charAt(0)&&(s=Uint32Array),this.value=new s(t*n),this.bufferCount=t,this.bufferType=i,this.update(),super.setup(e)}element(e){return new Vl(this,Ji(e))}}const Gl=(e,t)=>new kl(e,t);class zl extends li{constructor(e){super("float"),this.name=e,this.isBuiltinNode=!0}generate(){return this.name}}const $l=sn(zl).setParameterLength(1);let Wl,Hl;class ql extends li{static get type(){return"ScreenNode"}constructor(e){super(),this.scope=e,this._output=null,this.isViewportNode=!0}getNodeType(){return this.scope===ql.DPR?"float":this.scope===ql.VIEWPORT?"vec4":"vec2"}getUpdateType(){let e=ei.NONE;return this.scope!==ql.SIZE&&this.scope!==ql.VIEWPORT&&this.scope!==ql.DPR||(e=ei.RENDER),this.updateType=e,e}update({renderer:e}){const t=e.getRenderTarget();this.scope===ql.VIEWPORT?null!==t?Hl.copy(t.viewport):(e.getViewport(Hl),Hl.multiplyScalar(e.getPixelRatio())):this.scope===ql.DPR?this._output.value=e.getPixelRatio():null!==t?(Wl.width=t.width,Wl.height=t.height):e.getDrawingBufferSize(Wl)}setup(){const e=this.scope;let r=null;return r=e===ql.SIZE?va(Wl||(Wl=new t)):e===ql.VIEWPORT?va(Hl||(Hl=new s)):e===ql.DPR?va(1):xn(Yl.div(Kl)),this._output=r,r}generate(e){if(this.scope===ql.COORDINATE){let t=e.getFragCoord();if(e.isFlipY()){const r=e.getNodeProperties(Kl).outputNode.build(e);t=`${e.getType("vec2")}( ${t}.x, ${r}.y - ${t}.y )`}return t}return super.generate(e)}}ql.COORDINATE="coordinate",ql.VIEWPORT="viewport",ql.SIZE="size",ql.UV="uv",ql.DPR="dpr";const jl=nn(ql,ql.DPR),Xl=nn(ql,ql.UV),Kl=nn(ql,ql.SIZE),Yl=nn(ql,ql.COORDINATE),Ql=nn(ql,ql.VIEWPORT),Zl=Ql.zw,Jl=Yl.sub(Ql.xy),ed=Jl.div(Zl),td=ln(()=>(d('TSL: "viewportResolution" is deprecated. Use "screenSize" instead.',new Ds),Kl),"vec2").once()();let rd=null,sd=null,id=null,nd=null,ad=null,od=null,ud=null,ld=null,dd=null,cd=null,hd=null,pd=null,gd=null,md=null;const fd=va(0,"uint").setName("u_cameraIndex").setGroup(ya("cameraIndex")).toVarying("v_cameraIndex"),yd=va("float").setName("cameraNear").setGroup(xa).onRenderUpdate(({camera:e})=>e.near),bd=va("float").setName("cameraFar").setGroup(xa).onRenderUpdate(({camera:e})=>e.far),xd=ln(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrix);null===sd?sd=Gl(r).setGroup(xa).setName("cameraProjectionMatrices"):sd.array=r,t=sd.element(e.isMultiViewCamera?$l("gl_ViewID_OVR"):fd).toConst("cameraProjectionMatrix")}else null===rd&&(rd=va(e.projectionMatrix).setName("cameraProjectionMatrix").setGroup(xa).onRenderUpdate(({camera:e})=>e.projectionMatrix)),t=rd;return t}).once()(),Td=ln(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.projectionMatrixInverse);null===nd?nd=Gl(r).setGroup(xa).setName("cameraProjectionMatricesInverse"):nd.array=r,t=nd.element(e.isMultiViewCamera?$l("gl_ViewID_OVR"):fd).toConst("cameraProjectionMatrixInverse")}else null===id&&(id=va(e.projectionMatrixInverse).setName("cameraProjectionMatrixInverse").setGroup(xa).onRenderUpdate(({camera:e})=>e.projectionMatrixInverse)),t=id;return t}).once()(),_d=ln(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorldInverse);null===od?od=Gl(r).setGroup(xa).setName("cameraViewMatrices"):od.array=r,t=od.element(e.isMultiViewCamera?$l("gl_ViewID_OVR"):fd).toConst("cameraViewMatrix")}else null===ad&&(ad=va(e.matrixWorldInverse).setName("cameraViewMatrix").setGroup(xa).onRenderUpdate(({camera:e})=>e.matrixWorldInverse)),t=ad;return t}).once()(),vd=ln(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.matrixWorld);null===ld?ld=Gl(r).setGroup(xa).setName("cameraWorldMatrices"):ld.array=r,t=ld.element(e.isMultiViewCamera?$l("gl_ViewID_OVR"):fd).toConst("cameraWorldMatrix")}else null===ud&&(ud=va(e.matrixWorld).setName("cameraWorldMatrix").setGroup(xa).onRenderUpdate(({camera:e})=>e.matrixWorld)),t=ud;return t}).once()(),Nd=ln(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.normalMatrix);null===cd?cd=Gl(r).setGroup(xa).setName("cameraNormalMatrices"):cd.array=r,t=cd.element(e.isMultiViewCamera?$l("gl_ViewID_OVR"):fd).toConst("cameraNormalMatrix")}else null===dd&&(dd=va(e.normalMatrix).setName("cameraNormalMatrix").setGroup(xa).onRenderUpdate(({camera:e})=>e.normalMatrix)),t=dd;return t}).once()(),Sd=ln(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const s=[];for(let t=0,i=e.cameras.length;t<i;t++)s.push(new r);null===pd?pd=Gl(s).setGroup(xa).setName("cameraPositions").onRenderUpdate(({camera:e},t)=>{const r=e.cameras,s=t.array;for(let e=0,t=r.length;e<t;e++)s[e].setFromMatrixPosition(r[e].matrixWorld)}):pd.array=s,t=pd.element(e.isMultiViewCamera?$l("gl_ViewID_OVR"):fd).toConst("cameraPosition")}else null===hd&&(hd=va(new r).setName("cameraPosition").setGroup(xa).onRenderUpdate(({camera:e},t)=>t.value.setFromMatrixPosition(e.matrixWorld))),t=hd;return t}).once()(),Rd=ln(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const r=[];for(const t of e.cameras)r.push(t.viewport);null===md?md=Gl(r,"vec4").setGroup(xa).setName("cameraViewports"):md.array=r,t=md.element(fd).toConst("cameraViewport")}else null===gd&&(gd=An(0,0,Kl.x,Kl.y).toConst("cameraViewport")),t=gd;return t}).once()(),Ed=new C;class Ad extends li{static get type(){return"Object3DNode"}constructor(e,t=null){super(),this.scope=e,this.object3d=t,this.updateType=ei.OBJECT,this.uniformNode=new _a(null)}getNodeType(){const e=this.scope;return e===Ad.WORLD_MATRIX?"mat4":e===Ad.POSITION||e===Ad.VIEW_POSITION||e===Ad.DIRECTION||e===Ad.SCALE?"vec3":e===Ad.RADIUS?"float":void 0}update(e){const t=this.object3d,s=this.uniformNode,i=this.scope;if(i===Ad.WORLD_MATRIX)s.value=t.matrixWorld;else if(i===Ad.POSITION)s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld);else if(i===Ad.SCALE)s.value=s.value||new r,s.value.setFromMatrixScale(t.matrixWorld);else if(i===Ad.DIRECTION)s.value=s.value||new r,t.getWorldDirection(s.value);else if(i===Ad.VIEW_POSITION){const i=e.camera;s.value=s.value||new r,s.value.setFromMatrixPosition(t.matrixWorld),s.value.applyMatrix4(i.matrixWorldInverse)}else if(i===Ad.RADIUS){const r=e.object.geometry;null===r.boundingSphere&&r.computeBoundingSphere(),Ed.copy(r.boundingSphere).applyMatrix4(t.matrixWorld),s.value=Ed.radius}}generate(e){const t=this.scope;return t===Ad.WORLD_MATRIX?this.uniformNode.nodeType="mat4":t===Ad.POSITION||t===Ad.VIEW_POSITION||t===Ad.DIRECTION||t===Ad.SCALE?this.uniformNode.nodeType="vec3":t===Ad.RADIUS&&(this.uniformNode.nodeType="float"),this.uniformNode.build(e)}serialize(e){super.serialize(e),e.scope=this.scope}deserialize(e){super.deserialize(e),this.scope=e.scope}}Ad.WORLD_MATRIX="worldMatrix",Ad.POSITION="position",Ad.SCALE="scale",Ad.VIEW_POSITION="viewPosition",Ad.DIRECTION="direction",Ad.RADIUS="radius";const wd=sn(Ad,Ad.DIRECTION).setParameterLength(1),Cd=sn(Ad,Ad.WORLD_MATRIX).setParameterLength(1),Md=sn(Ad,Ad.POSITION).setParameterLength(1),Bd=sn(Ad,Ad.SCALE).setParameterLength(1),Fd=sn(Ad,Ad.VIEW_POSITION).setParameterLength(1),Ld=sn(Ad,Ad.RADIUS).setParameterLength(1);class Pd extends Ad{static get type(){return"ModelNode"}constructor(e){super(e)}update(e){this.object3d=e.object,super.update(e)}}const Dd=nn(Pd,Pd.DIRECTION),Ud=nn(Pd,Pd.WORLD_MATRIX),Id=nn(Pd,Pd.POSITION),Od=nn(Pd,Pd.SCALE),Vd=nn(Pd,Pd.VIEW_POSITION),kd=nn(Pd,Pd.RADIUS),Gd=va(new n).onObjectUpdate(({object:e},t)=>t.value.getNormalMatrix(e.matrixWorld)),zd=va(new a).onObjectUpdate(({object:e},t)=>t.value.copy(e.matrixWorld).invert()),$d=ln(e=>e.context.modelViewMatrix||Wd).once()().toVar("modelViewMatrix"),Wd=_d.mul(Ud),Hd=ln(e=>(e.context.isHighPrecisionModelViewMatrix=!0,va("mat4").onObjectUpdate(({object:e,camera:t})=>e.modelViewMatrix.multiplyMatrices(t.matrixWorldInverse,e.matrixWorld)))).once()().toVar("highpModelViewMatrix"),qd=ln(e=>{const t=e.context.isHighPrecisionModelViewMatrix;return va("mat3").onObjectUpdate(({object:e,camera:r})=>(!0!==t&&e.modelViewMatrix.multiplyMatrices(r.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix)))}).once()().toVar("highpModelNormalViewMatrix"),jd=ln(e=>"fragment"!==e.shaderStage?(v("TSL: `clipSpace` is only available in fragment stage."),An()):e.context.clipSpace.toVarying("v_clipSpace")).once()(),Xd=Rl("position","vec3"),Kd=Xd.toVarying("positionLocal"),Yd=Xd.toVarying("positionPrevious"),Qd=ln(e=>Ud.mul(Kd).xyz.toVarying(e.getSubBuildProperty("v_positionWorld")),"vec3").once(["POSITION"])(),Zd=ln(()=>Kd.transformDirection(Ud).toVarying("v_positionWorldDirection").normalize().toVar("positionWorldDirection"),"vec3").once(["POSITION"])(),Jd=ln(e=>{if("fragment"===e.shaderStage&&e.material.vertexNode){const e=Td.mul(jd);return e.xyz.div(e.w).toVar("positionView")}return e.context.setupPositionView().toVarying("v_positionView")},"vec3").once(["POSITION","VERTEX"])(),ec=ln(e=>{let t;return t=e.camera.isOrthographicCamera?Nn(0,0,1):Jd.negate().toVarying("v_positionViewDirection").normalize(),t.toVar("positionViewDirection")},"vec3").once(["POSITION"])();class tc extends li{static get type(){return"FrontFacingNode"}constructor(){super("bool"),this.isFrontFacingNode=!0}generate(e){if("fragment"!==e.shaderStage)return"true";const{material:t}=e;return t.side===M?"false":e.getFrontFacing()}}const rc=nn(tc),sc=mn(rc).mul(2).sub(1),ic=ln(([e],{material:t})=>{const r=t.side;return r===M?e=e.mul(-1):r===B&&(e=e.mul(sc)),e}),nc=Rl("normal","vec3"),ac=ln(e=>!1===e.geometry.hasAttribute("normal")?(d('TSL: Vertex attribute "normal" not found on geometry.'),Nn(0,1,0)):nc,"vec3").once()().toVar("normalLocal"),oc=Jd.dFdx().cross(Jd.dFdy()).normalize().toVar("normalFlat"),uc=ln(e=>{let t;return t=e.isFlatShading()?oc:gc(ac).toVarying("v_normalViewGeometry").normalize(),t},"vec3").once()().toVar("normalViewGeometry"),lc=ln(e=>{let t=uc.transformDirection(_d);return!0!==e.isFlatShading()&&(t=t.toVarying("v_normalWorldGeometry")),t.normalize().toVar("normalWorldGeometry")},"vec3").once()(),dc=ln(e=>{let t;return"NORMAL"===e.subBuildFn||"VERTEX"===e.subBuildFn?(t=uc,!0!==e.isFlatShading()&&(t=ic(t))):t=e.context.setupNormal().context({getUV:null,getTextureLevel:null}),t},"vec3").once(["NORMAL","VERTEX"])().toVar("normalView"),cc=dc.transformDirection(_d).toVar("normalWorld"),hc=ln(({subBuildFn:e,context:t})=>{let r;return r="NORMAL"===e||"VERTEX"===e?dc:t.setupClearcoatNormal().context({getUV:null,getTextureLevel:null}),r},"vec3").once(["NORMAL","VERTEX"])().toVar("clearcoatNormalView"),pc=ln(([e,t=Ud])=>{const r=Fn(t),s=e.div(Nn(r[0].dot(r[0]),r[1].dot(r[1]),r[2].dot(r[2])));return r.mul(s).xyz}),gc=ln(([e],t)=>{const r=t.context.modelNormalViewMatrix;if(r)return r.transformDirection(e);const s=Gd.mul(e);return _d.transformDirection(s)}),mc=ln(()=>(d('TSL: "transformedNormalView" is deprecated. Use "normalView" instead.'),dc)).once(["NORMAL","VERTEX"])(),fc=ln(()=>(d('TSL: "transformedNormalWorld" is deprecated. Use "normalWorld" instead.'),cc)).once(["NORMAL","VERTEX"])(),yc=ln(()=>(d('TSL: "transformedClearcoatNormalView" is deprecated. Use "clearcoatNormalView" instead.'),hc)).once(["NORMAL","VERTEX"])(),bc=new F,xc=new a,Tc=va(0).onReference(({material:e})=>e).onObjectUpdate(({material:e})=>e.refractionRatio),_c=va(1).onReference(({material:e})=>e).onObjectUpdate(function({material:e,scene:t}){return e.envMap?e.envMapIntensity:t.environmentIntensity}),vc=va(new a).onReference(function(e){return e.material}).onObjectUpdate(function({material:e,scene:t}){const r=null!==t.environment&&null===e.envMap?t.environmentRotation:e.envMapRotation;return r?(bc.copy(r),xc.makeRotationFromEuler(bc)):xc.identity(),xc}),Nc=ec.negate().reflect(dc),Sc=ec.negate().refract(dc,Tc),Rc=Nc.transformDirection(_d).toVar("reflectVector"),Ec=Sc.transformDirection(_d).toVar("reflectVector"),Ac=new L;class wc extends Ll{static get type(){return"CubeTextureNode"}constructor(e,t=null,r=null,s=null){super(e,t,r,s),this.isCubeTextureNode=!0}getInputType(){return!0===this.value.isDepthTexture?"cubeDepthTexture":"cubeTexture"}getDefaultUV(){const e=this.value;return e.mapping===P?Rc:e.mapping===D?Ec:(o('CubeTextureNode: Mapping "%s" not supported.',e.mapping),Nn(0,0,0))}setUpdateMatrix(){}setupUV(e,t){const r=this.value;return!0===r.isDepthTexture?e.renderer.coordinateSystem===h?Nn(t.x,t.y.negate(),t.z):t:(e.renderer.coordinateSystem!==h&&r.isRenderTargetTexture||(t=Nn(t.x.negate(),t.yz)),vc.mul(t))}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}}const Cc=sn(wc).setParameterLength(1,4).setName("cubeTexture"),Mc=(e=Ac,t=null,r=null,s=null)=>{let i;return e&&!0===e.isCubeTextureNode?(i=Ji(e.clone()),i.referenceNode=e,null!==t&&(i.uvNode=Ji(t)),null!==r&&(i.levelNode=Ji(r)),null!==s&&(i.biasNode=Ji(s))):i=Cc(e,t,r,s),i};class Bc extends di{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}getNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),r=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,r,s)}}class Fc extends li{static get type(){return"ReferenceNode"}constructor(e,t,r=null,s=null){super(),this.property=e,this.uniformType=t,this.object=r,this.count=s,this.properties=e.split("."),this.reference=r,this.node=null,this.group=null,this.name=null,this.updateType=ei.OBJECT}element(e){return new Bc(this,Ji(e))}setGroup(e){return this.group=e,this}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.'),this.setName(e)}setNodeType(e){let t=null;t=null!==this.count?Ol(null,e,this.count):Array.isArray(this.getValueFromReference())?Gl(null,e):"texture"===e?Dl(null):"cubeTexture"===e?Mc(null):va(null,e),null!==this.group&&t.setGroup(this.group),null!==this.name&&t.setName(this.name),this.node=t}getNodeType(e){return null===this.node&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let r=e[t[0]];for(let e=1;e<t.length;e++)r=r[t[e]];return r}updateReference(e){return this.reference=null!==this.object?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){null===this.node&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}const Lc=(e,t,r)=>new Fc(e,t,r),Pc=(e,t,r,s)=>new Fc(e,t,s,r);class Dc extends Fc{static get type(){return"MaterialReferenceNode"}constructor(e,t,r=null){super(e,t,r),this.material=r,this.isMaterialReferenceNode=!0}updateReference(e){return this.reference=null!==this.material?this.material:e.material,this.reference}}const Uc=(e,t,r=null)=>new Dc(e,t,r),Ic=El(),Oc=Jd.dFdx(),Vc=Jd.dFdy(),kc=Ic.dFdx(),Gc=Ic.dFdy(),zc=dc,$c=Vc.cross(zc),Wc=zc.cross(Oc),Hc=$c.mul(kc.x).add(Wc.mul(Gc.x)),qc=$c.mul(kc.y).add(Wc.mul(Gc.y)),jc=Hc.dot(Hc).max(qc.dot(qc)),Xc=jc.equal(0).select(0,jc.inverseSqrt()),Kc=Hc.mul(Xc).toVar("tangentViewFrame"),Yc=qc.mul(Xc).toVar("bitangentViewFrame"),Qc=Rl("tangent","vec4"),Zc=Qc.xyz.toVar("tangentLocal"),Jc=ln(e=>{let t;return t="VERTEX"===e.subBuildFn||e.geometry.hasAttribute("tangent")?$d.mul(An(Zc,0)).xyz.toVarying("v_tangentView").normalize():Kc,!0!==e.isFlatShading()&&(t=ic(t)),t},"vec3").once(["NORMAL","VERTEX"])().toVar("tangentView"),eh=Jc.transformDirection(_d).toVarying("v_tangentWorld").normalize().toVar("tangentWorld"),th=ln(([e,t],r)=>{let s=e.mul(Qc.w).xyz;return"NORMAL"===r.subBuildFn&&!0!==r.isFlatShading()&&(s=s.toVarying(t)),s}).once(["NORMAL"]),rh=th(nc.cross(Qc),"v_bitangentGeometry").normalize().toVar("bitangentGeometry"),sh=th(ac.cross(Zc),"v_bitangentLocal").normalize().toVar("bitangentLocal"),ih=ln(e=>{let t;return t="VERTEX"===e.subBuildFn||e.geometry.hasAttribute("tangent")?th(dc.cross(Jc),"v_bitangentView").normalize():Yc,!0!==e.isFlatShading()&&(t=ic(t)),t},"vec3").once(["NORMAL","VERTEX"])().toVar("bitangentView"),nh=th(cc.cross(eh),"v_bitangentWorld").normalize().toVar("bitangentWorld"),ah=Fn(Jc,ih,dc).toVar("TBNViewMatrix"),oh=ec.mul(ah),uh=ln(()=>{let e=ea.cross(ec);return e=e.cross(ea).normalize(),e=au(e,dc,Zn.mul(zn.oneMinus()).oneMinus().pow2().pow2()).normalize(),e}).once()(),lh=e=>Ji(e).mul(.5).add(.5),dh=e=>Nn(e,xo(uu(mn(1).sub(Qo(e,e)))));class ch extends hi{static get type(){return"NormalMapNode"}constructor(e,t=null){super("vec3"),this.node=e,this.scaleNode=t,this.normalMapType=U,this.unpackNormalMode=I}setup(e){const{normalMapType:t,scaleNode:r,unpackNormalMode:s}=this;let i=this.node.mul(2).sub(1);if(t===U?s===O?i=dh(i.xy):s===V?i=dh(i.yw):s!==I&&console.error(`THREE.NodeMaterial: Unexpected unpack normal mode: ${s}`):s!==I&&console.error(`THREE.NodeMaterial: Normal map type '${t}' is not compatible with unpack normal mode '${s}'`),null!==r){let t=r;!0===e.isFlatShading()&&(t=ic(t)),i=Nn(i.xy.mul(t),i.z)}let n=null;return t===k?n=gc(i):t===U?n=ah.mul(i).normalize():(o(`NodeMaterial: Unsupported normal map type: ${t}`),n=dc),n}}const hh=sn(ch).setParameterLength(1,2),ph=ln(({textureNode:e,bumpScale:t})=>{const r=t=>e.isolate().context({getUV:e=>t(e.uvNode||El()),forceUVContext:!0}),s=mn(r(e=>e));return xn(mn(r(e=>e.add(e.dFdx()))).sub(s),mn(r(e=>e.add(e.dFdy()))).sub(s)).mul(t)}),gh=ln(e=>{const{surf_pos:t,surf_norm:r,dHdxy:s}=e,i=t.dFdx().normalize(),n=r,a=t.dFdy().normalize().cross(n),o=n.cross(i),u=i.dot(a).mul(sc),l=u.sign().mul(s.x.mul(a).add(s.y.mul(o)));return u.abs().mul(r).sub(l).normalize()});class mh extends hi{static get type(){return"BumpMapNode"}constructor(e,t=null){super("vec3"),this.textureNode=e,this.scaleNode=t}setup(){const e=null!==this.scaleNode?this.scaleNode:1,t=ph({textureNode:this.textureNode,bumpScale:e});return gh({surf_pos:Jd,surf_norm:dc,dHdxy:t})}}const fh=sn(mh).setParameterLength(1,2),yh=new Map;class bh extends li{static get type(){return"MaterialNode"}constructor(e){super(),this.scope=e}getCache(e,t){let r=yh.get(e);return void 0===r&&(r=Uc(e,t),yh.set(e,r)),r}getFloat(e){return this.getCache(e,"float")}getColor(e){return this.getCache(e,"color")}getTexture(e){return this.getCache("map"===e?"map":e+"Map","texture")}setup(e){const t=e.context.material,r=this.scope;let s=null;if(r===bh.COLOR){const e=void 0!==t.color?this.getColor(r):Nn();s=t.map&&!0===t.map.isTexture?e.mul(this.getTexture("map")):e}else if(r===bh.OPACITY){const e=this.getFloat(r);s=t.alphaMap&&!0===t.alphaMap.isTexture?e.mul(this.getTexture("alpha")):e}else if(r===bh.SPECULAR_STRENGTH)s=t.specularMap&&!0===t.specularMap.isTexture?this.getTexture("specular").r:mn(1);else if(r===bh.SPECULAR_INTENSITY){const e=this.getFloat(r);s=t.specularIntensityMap&&!0===t.specularIntensityMap.isTexture?e.mul(this.getTexture(r).a):e}else if(r===bh.SPECULAR_COLOR){const e=this.getColor(r);s=t.specularColorMap&&!0===t.specularColorMap.isTexture?e.mul(this.getTexture(r).rgb):e}else if(r===bh.ROUGHNESS){const e=this.getFloat(r);s=t.roughnessMap&&!0===t.roughnessMap.isTexture?e.mul(this.getTexture(r).g):e}else if(r===bh.METALNESS){const e=this.getFloat(r);s=t.metalnessMap&&!0===t.metalnessMap.isTexture?e.mul(this.getTexture(r).b):e}else if(r===bh.EMISSIVE){const e=this.getFloat("emissiveIntensity"),i=this.getColor(r).mul(e);s=t.emissiveMap&&!0===t.emissiveMap.isTexture?i.mul(this.getTexture(r)):i}else if(r===bh.NORMAL)t.normalMap?(s=hh(this.getTexture("normal"),this.getCache("normalScale","vec2")),s.normalMapType=t.normalMapType,t.normalMap.format!=G&&t.normalMap.format!=z&&t.normalMap.format!=$||(s.unpackNormalMode=O)):s=t.bumpMap?fh(this.getTexture("bump").r,this.getFloat("bumpScale")):dc;else if(r===bh.CLEARCOAT){const e=this.getFloat(r);s=t.clearcoatMap&&!0===t.clearcoatMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===bh.CLEARCOAT_ROUGHNESS){const e=this.getFloat(r);s=t.clearcoatRoughnessMap&&!0===t.clearcoatRoughnessMap.isTexture?e.mul(this.getTexture(r).r):e}else if(r===bh.CLEARCOAT_NORMAL)s=t.clearcoatNormalMap?hh(this.getTexture(r),this.getCache(r+"Scale","vec2")):dc;else if(r===bh.SHEEN){const e=this.getColor("sheenColor").mul(this.getFloat("sheen"));s=t.sheenColorMap&&!0===t.sheenColorMap.isTexture?e.mul(this.getTexture("sheenColor").rgb):e}else if(r===bh.SHEEN_ROUGHNESS){const e=this.getFloat(r);s=t.sheenRoughnessMap&&!0===t.sheenRoughnessMap.isTexture?e.mul(this.getTexture(r).a):e,s=s.clamp(1e-4,1)}else if(r===bh.ANISOTROPY)if(t.anisotropyMap&&!0===t.anisotropyMap.isTexture){const e=this.getTexture(r);s=Bn(rp.x,rp.y,rp.y.negate(),rp.x).mul(e.rg.mul(2).sub(xn(1)).normalize().mul(e.b))}else s=rp;else if(r===bh.IRIDESCENCE_THICKNESS){const e=Lc("1","float",t.iridescenceThicknessRange);if(t.iridescenceThicknessMap){const i=Lc("0","float",t.iridescenceThicknessRange);s=e.sub(i).mul(this.getTexture(r).g).add(i)}else s=e}else if(r===bh.TRANSMISSION){const e=this.getFloat(r);s=t.transmissionMap?e.mul(this.getTexture(r).r):e}else if(r===bh.THICKNESS){const e=this.getFloat(r);s=t.thicknessMap?e.mul(this.getTexture(r).g):e}else if(r===bh.IOR)s=this.getFloat(r);else if(r===bh.LIGHT_MAP)s=this.getTexture(r).rgb.mul(this.getFloat("lightMapIntensity"));else if(r===bh.AO)s=this.getTexture(r).r.sub(1).mul(this.getFloat("aoMapIntensity")).add(1);else if(r===bh.LINE_DASH_OFFSET)s=t.dashOffset?this.getFloat(r):mn(0);else{const t=this.getNodeType(e);s=this.getCache(r,t)}return s}}bh.ALPHA_TEST="alphaTest",bh.COLOR="color",bh.OPACITY="opacity",bh.SHININESS="shininess",bh.SPECULAR="specular",bh.SPECULAR_STRENGTH="specularStrength",bh.SPECULAR_INTENSITY="specularIntensity",bh.SPECULAR_COLOR="specularColor",bh.REFLECTIVITY="reflectivity",bh.ROUGHNESS="roughness",bh.METALNESS="metalness",bh.NORMAL="normal",bh.CLEARCOAT="clearcoat",bh.CLEARCOAT_ROUGHNESS="clearcoatRoughness",bh.CLEARCOAT_NORMAL="clearcoatNormal",bh.EMISSIVE="emissive",bh.ROTATION="rotation",bh.SHEEN="sheen",bh.SHEEN_ROUGHNESS="sheenRoughness",bh.ANISOTROPY="anisotropy",bh.IRIDESCENCE="iridescence",bh.IRIDESCENCE_IOR="iridescenceIOR",bh.IRIDESCENCE_THICKNESS="iridescenceThickness",bh.IOR="ior",bh.TRANSMISSION="transmission",bh.THICKNESS="thickness",bh.ATTENUATION_DISTANCE="attenuationDistance",bh.ATTENUATION_COLOR="attenuationColor",bh.LINE_SCALE="scale",bh.LINE_DASH_SIZE="dashSize",bh.LINE_GAP_SIZE="gapSize",bh.LINE_WIDTH="linewidth",bh.LINE_DASH_OFFSET="dashOffset",bh.POINT_SIZE="size",bh.DISPERSION="dispersion",bh.LIGHT_MAP="light",bh.AO="ao";const xh=nn(bh,bh.ALPHA_TEST),Th=nn(bh,bh.COLOR),_h=nn(bh,bh.SHININESS),vh=nn(bh,bh.EMISSIVE),Nh=nn(bh,bh.OPACITY),Sh=nn(bh,bh.SPECULAR),Rh=nn(bh,bh.SPECULAR_INTENSITY),Eh=nn(bh,bh.SPECULAR_COLOR),Ah=nn(bh,bh.SPECULAR_STRENGTH),wh=nn(bh,bh.REFLECTIVITY),Ch=nn(bh,bh.ROUGHNESS),Mh=nn(bh,bh.METALNESS),Bh=nn(bh,bh.NORMAL),Fh=nn(bh,bh.CLEARCOAT),Lh=nn(bh,bh.CLEARCOAT_ROUGHNESS),Ph=nn(bh,bh.CLEARCOAT_NORMAL),Dh=nn(bh,bh.ROTATION),Uh=nn(bh,bh.SHEEN),Ih=nn(bh,bh.SHEEN_ROUGHNESS),Oh=nn(bh,bh.ANISOTROPY),Vh=nn(bh,bh.IRIDESCENCE),kh=nn(bh,bh.IRIDESCENCE_IOR),Gh=nn(bh,bh.IRIDESCENCE_THICKNESS),zh=nn(bh,bh.TRANSMISSION),$h=nn(bh,bh.THICKNESS),Wh=nn(bh,bh.IOR),Hh=nn(bh,bh.ATTENUATION_DISTANCE),qh=nn(bh,bh.ATTENUATION_COLOR),jh=nn(bh,bh.LINE_SCALE),Xh=nn(bh,bh.LINE_DASH_SIZE),Kh=nn(bh,bh.LINE_GAP_SIZE),Yh=nn(bh,bh.LINE_WIDTH),Qh=nn(bh,bh.LINE_DASH_OFFSET),Zh=nn(bh,bh.POINT_SIZE),Jh=nn(bh,bh.DISPERSION),ep=nn(bh,bh.LIGHT_MAP),tp=nn(bh,bh.AO),rp=va(new t).onReference(function(e){return e.material}).onRenderUpdate(function({material:e}){this.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation))}),sp=ln(e=>e.context.setupModelViewProjection(),"vec4").once()().toVarying("v_modelViewProjection");class ip extends di{static get type(){return"StorageArrayElementNode"}constructor(e,t){super(e,t),this.isStorageArrayElementNode=!0}set storageBufferNode(e){this.node=e}get storageBufferNode(){return this.node}getMemberType(e,t){const r=this.storageBufferNode.structTypeNode;return r?r.getMemberType(e,t):"void"}setup(e){return!1===e.isAvailable("storageBuffer")&&!0===this.node.isPBO&&e.setupPBO(this.node),super.setup(e)}generate(e,t){let r;const s=e.context.assign;if(r=!1===e.isAvailable("storageBuffer")?!0!==this.node.isPBO||!0===s||!this.node.value.isInstancedBufferAttribute&&"compute"===e.shaderStage?this.node.build(e):e.generatePBO(this):super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}const np=sn(ip).setParameterLength(2);class ap extends Il{static get type(){return"StorageBufferNode"}constructor(e,t=null,r=0){let s,i=null;t&&t.isStruct?(s="struct",i=t.layout,(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(r=e.count)):null===t&&(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)?(s=zs(e.itemSize),r=e.count):s=t,super(e,s,r),this.isStorageBufferNode=!0,this.structTypeNode=i,this.access=ri.READ_WRITE,this.isAtomic=!1,this.isPBO=!1,this._attribute=null,this._varying=null,this.global=!0,!0!==e.isStorageBufferAttribute&&!0!==e.isStorageInstancedBufferAttribute&&(e.isInstancedBufferAttribute?e.isStorageInstancedBufferAttribute=!0:e.isStorageBufferAttribute=!0)}getHash(e){if(0===this.bufferCount){let t=e.globalCache.getData(this.value);return void 0===t&&(t={node:this},e.globalCache.setData(this.value,t)),t.node.uuid}return this.uuid}getInputType(){return this.value.isIndirectStorageBufferAttribute?"indirectStorageBuffer":"storageBuffer"}element(e){return np(this,e)}setPBO(e){return this.isPBO=e,this}getPBO(){return this.isPBO}setAccess(e){return this.access=e,this}toReadOnly(){return this.setAccess(ri.READ_ONLY)}setAtomic(e){return this.isAtomic=e,this}toAtomic(){return this.setAtomic(!0)}getAttributeData(){return null===this._attribute&&(this._attribute=el(this.value),this._varying=Du(this._attribute)),{attribute:this._attribute,varying:this._varying}}getNodeType(e){if(null!==this.structTypeNode)return this.structTypeNode.getNodeType(e);if(e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.getNodeType(e);const{attribute:t}=this.getAttributeData();return t.getNodeType(e)}getMemberType(e,t){return null!==this.structTypeNode?this.structTypeNode.getMemberType(e,t):"void"}generate(e){if(null!==this.structTypeNode&&this.structTypeNode.build(e),e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.generate(e);const{attribute:t,varying:r}=this.getAttributeData(),s=r.build(e);return e.registerTransform(s,t),s}}const op=(e,t=null,r=0)=>new ap(e,t,r);class up extends li{static get type(){return"IndexNode"}constructor(e){super("uint"),this.scope=e,this.isIndexNode=!0}generate(e){const t=this.getNodeType(e),r=this.scope;let s,i;if(r===up.VERTEX)s=e.getVertexIndex();else if(r===up.INSTANCE)s=e.getInstanceIndex();else if(r===up.DRAW)s=e.getDrawIndex();else if(r===up.INVOCATION_LOCAL)s=e.getInvocationLocalIndex();else if(r===up.INVOCATION_SUBGROUP)s=e.getInvocationSubgroupIndex();else{if(r!==up.SUBGROUP)throw new Error("THREE.IndexNode: Unknown scope: "+r);s=e.getSubgroupIndex()}if("vertex"===e.shaderStage||"compute"===e.shaderStage)i=s;else{i=Du(this).build(e,t)}return i}}up.VERTEX="vertex",up.INSTANCE="instance",up.SUBGROUP="subgroup",up.INVOCATION_LOCAL="invocationLocal",up.INVOCATION_SUBGROUP="invocationSubgroup",up.DRAW="draw";const lp=nn(up,up.VERTEX),dp=nn(up,up.INSTANCE),cp=nn(up,up.SUBGROUP),hp=nn(up,up.INVOCATION_SUBGROUP),pp=nn(up,up.INVOCATION_LOCAL),gp=nn(up,up.DRAW);class mp extends li{static get type(){return"InstanceNode"}constructor(e,t,r=null){super("void"),this.count=e,this.instanceMatrix=t,this.instanceColor=r,this.instanceMatrixNode=null,this.instanceColorNode=null,this.updateType=ei.FRAME,this.buffer=null,this.bufferColor=null,this.previousInstanceMatrixNode=null}get isStorageMatrix(){const{instanceMatrix:e}=this;return e&&!0===e.isStorageInstancedBufferAttribute}get isStorageColor(){const{instanceColor:e}=this;return e&&!0===e.isStorageInstancedBufferAttribute}setup(e){let{instanceMatrixNode:t,instanceColorNode:r}=this;null===t&&(t=this._createInstanceMatrixNode(!0,e),this.instanceMatrixNode=t);const{instanceColor:s,isStorageColor:i}=this;if(s&&null===r){if(i)r=op(s,"vec3",Math.max(s.count,1)).element(dp);else{const e=new W(s.array,3),t=s.usage===x?rl:tl;this.bufferColor=e,r=Nn(t(e,"vec3",3,0))}this.instanceColorNode=r}const n=t.mul(Kd).xyz;if(Kd.assign(n),e.needsPreviousData()&&Yd.assign(this.getPreviousInstancedPosition(e)),e.hasGeometryAttribute("normal")){const e=pc(ac,t);ac.assign(e)}null!==this.instanceColorNode&&On("vec3","vInstanceColor").assign(this.instanceColorNode)}update(e){null!==this.buffer&&!0!==this.isStorageMatrix&&(this.buffer.clearUpdateRanges(),this.buffer.updateRanges.push(...this.instanceMatrix.updateRanges),this.instanceMatrix.version!==this.buffer.version&&(this.buffer.version=this.instanceMatrix.version)),this.instanceColor&&null!==this.bufferColor&&!0!==this.isStorageColor&&(this.bufferColor.clearUpdateRanges(),this.bufferColor.updateRanges.push(...this.instanceColor.updateRanges),this.instanceColor.version!==this.bufferColor.version&&(this.bufferColor.version=this.instanceColor.version)),null!==this.previousInstanceMatrixNode&&e.object.previousInstanceMatrix.array.set(this.instanceMatrix.array)}getPreviousInstancedPosition(e){const t=e.object;return null===this.previousInstanceMatrixNode&&(t.previousInstanceMatrix=this.instanceMatrix.clone(),this.previousInstanceMatrixNode=this._createInstanceMatrixNode(!1,e)),this.previousInstanceMatrixNode.mul(Yd).xyz}_createInstanceMatrixNode(e,t){let r;const{instanceMatrix:s}=this,{count:i}=s;if(this.isStorageMatrix)r=op(s,"mat4",Math.max(i,1)).element(dp);else{if(16*i*4<=t.getUniformBufferLimit())r=Ol(s.array,"mat4",Math.max(i,1)).element(dp);else{const t=new H(s.array,16,1);!0===e&&(this.buffer=t);const i=s.usage===x?rl:tl,n=[i(t,"vec4",16,0),i(t,"vec4",16,4),i(t,"vec4",16,8),i(t,"vec4",16,12)];r=Ln(...n)}}return r}}const fp=sn(mp).setParameterLength(2,3);class yp extends mp{static get type(){return"InstancedMeshNode"}constructor(e){const{count:t,instanceMatrix:r,instanceColor:s}=e;super(t,r,s),this.instancedMesh=e}}const bp=sn(yp).setParameterLength(1);class xp extends li{static get type(){return"BatchNode"}constructor(e){super("void"),this.batchMesh=e,this.batchingIdNode=null}setup(e){null===this.batchingIdNode&&(null===e.getDrawIndex()?this.batchingIdNode=dp:this.batchingIdNode=gp);const t=ln(([e])=>{const t=fn(wl(Ul(this.batchMesh._indirectTexture),0).x).toConst(),r=fn(e).mod(t).toConst(),s=fn(e).div(t).toConst();return Ul(this.batchMesh._indirectTexture,Tn(r,s)).x}).setLayout({name:"getIndirectIndex",type:"uint",inputs:[{name:"id",type:"int"}]}),r=t(fn(this.batchingIdNode)),s=this.batchMesh._matricesTexture,i=fn(wl(Ul(s),0).x).toConst(),n=mn(r).mul(4).toInt().toConst(),a=n.mod(i).toConst(),o=n.div(i).toConst(),u=Ln(Ul(s,Tn(a,o)),Ul(s,Tn(a.add(1),o)),Ul(s,Tn(a.add(2),o)),Ul(s,Tn(a.add(3),o))),l=this.batchMesh._colorsTexture;if(null!==l){const e=ln(([e])=>{const t=fn(wl(Ul(l),0).x).toConst(),r=e,s=r.mod(t).toConst(),i=r.div(t).toConst();return Ul(l,Tn(s,i)).rgb}).setLayout({name:"getBatchingColor",type:"vec3",inputs:[{name:"id",type:"int"}]}),t=e(r);On("vec3","vBatchColor").assign(t)}const d=Fn(u);Kd.assign(u.mul(Kd));const c=ac.div(Nn(d[0].dot(d[0]),d[1].dot(d[1]),d[2].dot(d[2]))),h=d.mul(c).xyz;ac.assign(h),e.hasGeometryAttribute("tangent")&&Zc.mulAssign(d)}}const Tp=sn(xp).setParameterLength(1),_p=new WeakMap;class vp extends li{static get type(){return"SkinningNode"}constructor(e){super("void"),this.skinnedMesh=e,this.updateType=ei.OBJECT,this.skinIndexNode=Rl("skinIndex","uvec4"),this.skinWeightNode=Rl("skinWeight","vec4"),this.bindMatrixNode=Lc("bindMatrix","mat4"),this.bindMatrixInverseNode=Lc("bindMatrixInverse","mat4"),this.boneMatricesNode=Pc("skeleton.boneMatrices","mat4",e.skeleton.bones.length),this.positionNode=Kd,this.toPositionNode=Kd,this.previousBoneMatricesNode=null}getSkinnedPosition(e=this.boneMatricesNode,t=this.positionNode){const{skinIndexNode:r,skinWeightNode:s,bindMatrixNode:i,bindMatrixInverseNode:n}=this,a=e.element(r.x),o=e.element(r.y),u=e.element(r.z),l=e.element(r.w),d=i.mul(t),c=Ba(a.mul(s.x).mul(d),o.mul(s.y).mul(d),u.mul(s.z).mul(d),l.mul(s.w).mul(d));return n.mul(c).xyz}getSkinnedNormalAndTangent(e=this.boneMatricesNode,t=ac,r=Zc){const{skinIndexNode:s,skinWeightNode:i,bindMatrixNode:n,bindMatrixInverseNode:a}=this,o=e.element(s.x),u=e.element(s.y),l=e.element(s.z),d=e.element(s.w);let c=Ba(i.x.mul(o),i.y.mul(u),i.z.mul(l),i.w.mul(d));c=a.mul(c).mul(n);return{skinNormal:c.transformDirection(t).xyz,skinTangent:c.transformDirection(r).xyz}}getPreviousSkinnedPosition(e){const t=e.object;return null===this.previousBoneMatricesNode&&(t.skeleton.previousBoneMatrices=new Float32Array(t.skeleton.boneMatrices),this.previousBoneMatricesNode=Pc("skeleton.previousBoneMatrices","mat4",t.skeleton.bones.length)),this.getSkinnedPosition(this.previousBoneMatricesNode,Yd)}setup(e){e.needsPreviousData()&&Yd.assign(this.getPreviousSkinnedPosition(e));const t=this.getSkinnedPosition();if(this.toPositionNode&&this.toPositionNode.assign(t),e.hasGeometryAttribute("normal")){const{skinNormal:t,skinTangent:r}=this.getSkinnedNormalAndTangent();ac.assign(t),e.hasGeometryAttribute("tangent")&&Zc.assign(r)}return t}generate(e,t){if("void"!==t)return super.generate(e,t)}update(e){const t=e.object&&e.object.skeleton?e.object.skeleton:this.skinnedMesh.skeleton;_p.get(t)!==e.frameId&&(_p.set(t,e.frameId),null!==this.previousBoneMatricesNode&&(null===t.previousBoneMatrices&&(t.previousBoneMatrices=new Float32Array(t.boneMatrices)),t.previousBoneMatrices.set(t.boneMatrices)),t.update())}}const Np=e=>new vp(e);class Sp extends li{static get type(){return"LoopNode"}constructor(e=[]){super("void"),this.params=e}getVarName(e){return String.fromCharCode("i".charCodeAt(0)+e)}getProperties(e){const t=e.getNodeProperties(this);if(void 0!==t.stackNode)return t;const r={};for(let e=0,t=this.params.length-1;e<t;e++){const t=this.params[e],s=!0!==t.isNode&&t.name||this.getVarName(e),i=!0!==t.isNode&&t.type||"int";r[s]=ml(s,i)}const s=e.addStack(),i=this.params[this.params.length-1](r);t.returnsNode=i.context({nodeLoop:i}),t.stackNode=s;const n=this.params[0];if(!0!==n.isNode&&"function"==typeof n.update){const e=ln(this.params[0].update)(r);t.updateNode=e.context({nodeLoop:e})}return e.removeStack(),t}setup(e){if(this.getProperties(e),e.fnCall){e.getDataFromNode(e.fnCall.shaderNode).hasLoop=!0}}generate(e){const t=this.getProperties(e),r=this.params,s=t.stackNode;for(let s=0,i=r.length-1;s<i;s++){const i=r[s];let n,a=!1,u=null,l=null,d=null,c=null,h=null,p=null;if(i.isNode?"bool"===i.getNodeType(e)?(a=!0,c="bool",l=i.build(e,c)):(c="int",d=this.getVarName(s),u="0",l=i.build(e,c),h="<"):(c=i.type||"int",d=i.name||this.getVarName(s),u=i.start,l=i.end,h=i.condition,p=i.update,"number"==typeof u?u=e.generateConst(c,u):u&&u.isNode&&(u=u.build(e,c)),"number"==typeof l?l=e.generateConst(c,l):l&&l.isNode&&(l=l.build(e,c)),void 0!==u&&void 0===l?(u+=" - 1",l="0",h=">="):void 0!==l&&void 0===u&&(u="0",h="<"),void 0===h&&(h=Number(u)>Number(l)?">=":"<")),a)n=`while ( ${l} )`;else{const r={start:u,end:l},s=r.start,i=r.end;let a;const g=()=>h.includes("<")?"+=":"-=";if(null!=p)switch(typeof p){case"function":a=e.flowStagesNode(t.updateNode,"void").code.replace(/\t|;/g,"");break;case"number":a=d+" "+g()+" "+e.generateConst(c,p);break;case"string":a=d+" "+p;break;default:p.isNode?a=d+" "+g()+" "+p.build(e):(o("TSL: 'Loop( { update: ... } )' is not a function, string or number.",this.stackTrace),a="break /* invalid update */")}else p="int"===c||"uint"===c?h.includes("<")?"++":"--":g()+" 1.",a=d+" "+p;n=`for ( ${e.getVar(c,d)+" = "+s}; ${d+" "+h+" "+i}; ${a} )`}e.addFlowCode((0===s?"\n":"")+e.tab+n+" {\n\n").addFlowTab()}const i=s.build(e,"void");t.returnsNode.build(e,"void"),e.removeFlowTab().addFlowCode("\n"+e.tab+i);for(let t=0,r=this.params.length-1;t<r;t++)e.addFlowCode((0===t?"":e.tab)+"}\n\n").removeFlowTab();e.addFlowTab()}}const Rp=(...e)=>new Sp(rn(e,"int")).toStack(),Ep=()=>ml("break").toStack(),Ap=new WeakMap,wp=new s,Cp=ln(({bufferMap:e,influence:t,stride:r,width:s,depth:i,offset:n})=>{const a=fn(lp).mul(r).add(n),o=a.div(s),u=a.sub(o.mul(s));return Ul(e,Tn(u,o)).depth(i).xyz.mul(t)});class Mp extends li{static get type(){return"MorphNode"}constructor(e){super("void"),this.mesh=e,this.morphBaseInfluence=va(1),this.updateType=ei.OBJECT}setup(e){const{geometry:r}=e,s=void 0!==r.morphAttributes.position,i=r.hasAttribute("normal")&&void 0!==r.morphAttributes.normal,n=r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color,a=void 0!==n?n.length:0,{texture:o,stride:u,size:l}=function(e){const r=void 0!==e.morphAttributes.position,s=void 0!==e.morphAttributes.normal,i=void 0!==e.morphAttributes.color,n=e.morphAttributes.position||e.morphAttributes.normal||e.morphAttributes.color,a=void 0!==n?n.length:0;let o=Ap.get(e);if(void 0===o||o.count!==a){void 0!==o&&o.texture.dispose();const u=e.morphAttributes.position||[],l=e.morphAttributes.normal||[],d=e.morphAttributes.color||[];let c=0;!0===r&&(c=1),!0===s&&(c=2),!0===i&&(c=3);let h=e.attributes.position.count*c,p=1;const g=4096;h>g&&(p=Math.ceil(h/g),h=g);const m=new Float32Array(h*p*4*a),f=new q(m,h,p,a);f.type=j,f.needsUpdate=!0;const y=4*c;for(let x=0;x<a;x++){const T=u[x],_=l[x],v=d[x],N=h*p*4*x;for(let S=0;S<T.count;S++){const R=S*y;!0===r&&(wp.fromBufferAttribute(T,S),m[N+R+0]=wp.x,m[N+R+1]=wp.y,m[N+R+2]=wp.z,m[N+R+3]=0),!0===s&&(wp.fromBufferAttribute(_,S),m[N+R+4]=wp.x,m[N+R+5]=wp.y,m[N+R+6]=wp.z,m[N+R+7]=0),!0===i&&(wp.fromBufferAttribute(v,S),m[N+R+8]=wp.x,m[N+R+9]=wp.y,m[N+R+10]=wp.z,m[N+R+11]=4===v.itemSize?wp.w:1)}}function b(){f.dispose(),Ap.delete(e),e.removeEventListener("dispose",b)}o={count:a,texture:f,stride:c,size:new t(h,p)},Ap.set(e,o),e.addEventListener("dispose",b)}return o}(r);!0===s&&Kd.mulAssign(this.morphBaseInfluence),!0===i&&ac.mulAssign(this.morphBaseInfluence);const d=fn(l.width);Rp(a,({i:e})=>{const t=mn(0).toVar();this.mesh.count>1&&null!==this.mesh.morphTexture&&void 0!==this.mesh.morphTexture?t.assign(Ul(this.mesh.morphTexture,Tn(fn(e).add(1),fn(dp))).r):t.assign(Lc("morphTargetInfluences","float").element(e).toVar()),hn(t.notEqual(0),()=>{!0===s&&Kd.addAssign(Cp({bufferMap:o,influence:t,stride:u,width:d,depth:e,offset:fn(0)})),!0===i&&ac.addAssign(Cp({bufferMap:o,influence:t,stride:u,width:d,depth:e,offset:fn(1)}))})})}update(){const e=this.morphBaseInfluence;this.mesh.geometry.morphTargetsRelative?e.value=1:e.value=1-this.mesh.morphTargetInfluences.reduce((e,t)=>e+t,0)}}const Bp=sn(Mp).setParameterLength(1);class Fp extends li{static get type(){return"LightingNode"}constructor(){super("vec3"),this.isLightingNode=!0}}class Lp extends Fp{static get type(){return"AONode"}constructor(e=null){super(),this.aoNode=e}setup(e){e.context.ambientOcclusion.mulAssign(this.aoNode)}}class Pp extends Tu{static get type(){return"LightingContextNode"}constructor(e,t=null,r=null,s=null){super(e),this.lightingModel=t,this.backdropNode=r,this.backdropAlphaNode=s,this._value=null}getContext(){const{backdropNode:e,backdropAlphaNode:t}=this,r={directDiffuse:Nn().toVar("directDiffuse"),directSpecular:Nn().toVar("directSpecular"),indirectDiffuse:Nn().toVar("indirectDiffuse"),indirectSpecular:Nn().toVar("indirectSpecular")};return{radiance:Nn().toVar("radiance"),irradiance:Nn().toVar("irradiance"),iblIrradiance:Nn().toVar("iblIrradiance"),ambientOcclusion:mn(1).toVar("ambientOcclusion"),reflectedLight:r,backdrop:e,backdropAlpha:t}}setup(e){return this.value=this._value||(this._value=this.getContext()),this.value.lightingModel=this.lightingModel||e.context.lightingModel,super.setup(e)}}const Dp=sn(Pp);class Up extends Fp{static get type(){return"IrradianceNode"}constructor(e){super(),this.node=e}setup(e){e.context.irradiance.addAssign(this.node)}}const Ip=new t;class Op extends Ll{static get type(){return"ViewportTextureNode"}constructor(e=Xl,t=null,r=null){let s=null;null===r?(s=new X,s.minFilter=K,r=s):s=r,super(r,e,t),this.generateMipmaps=!1,this.defaultFramebuffer=s,this.isOutputTextureNode=!0,this.updateBeforeType=ei.RENDER,this._cacheTextures=new WeakMap}getTextureForReference(e=null){let t,r;if(this.referenceNode?(t=this.referenceNode.defaultFramebuffer,r=this.referenceNode._cacheTextures):(t=this.defaultFramebuffer,r=this._cacheTextures),null===e)return t;if(!1===r.has(e)){const s=t.clone();r.set(e,s)}return r.get(e)}updateReference(e){const t=e.renderer.getRenderTarget();return this.value=this.getTextureForReference(t),this.value}updateBefore(e){const t=e.renderer,r=t.getRenderTarget();null===r?t.getDrawingBufferSize(Ip):Ip.set(r.width,r.height);const s=this.getTextureForReference(r);s.image.width===Ip.width&&s.image.height===Ip.height||(s.image.width=Ip.width,s.image.height=Ip.height,s.needsUpdate=!0);const i=s.generateMipmaps;s.generateMipmaps=this.generateMipmaps,t.copyFramebufferToTexture(s),s.generateMipmaps=i}clone(){const e=new this.constructor(this.uvNode,this.levelNode,this.value);return e.generateMipmaps=this.generateMipmaps,e}}const Vp=sn(Op).setParameterLength(0,3),kp=sn(Op,null,null,{generateMipmaps:!0}).setParameterLength(0,3),Gp=kp(),zp=(e=Xl,t=null)=>Gp.sample(e,t);let $p=null;class Wp extends Op{static get type(){return"ViewportDepthTextureNode"}constructor(e=Xl,t=null){null===$p&&($p=new Y),super(e,t,$p)}getTextureForReference(){return $p}}const Hp=sn(Wp).setParameterLength(0,2);class qp extends li{static get type(){return"ViewportDepthNode"}constructor(e,t=null){super("float"),this.scope=e,this.valueNode=t,this.isViewportDepthNode=!0}generate(e){const{scope:t}=this;return t===qp.DEPTH_BASE?e.getFragDepth():super.generate(e)}setup({camera:e}){const{scope:t}=this,r=this.valueNode;let s=null;if(t===qp.DEPTH_BASE)null!==r&&(s=Zp().assign(r));else if(t===qp.DEPTH)s=e.isPerspectiveCamera?Xp(Jd.z,yd,bd):jp(Jd.z,yd,bd);else if(t===qp.LINEAR_DEPTH)if(null!==r)if(e.isPerspectiveCamera){const e=Yp(r,yd,bd);s=jp(e,yd,bd)}else s=r;else s=jp(Jd.z,yd,bd);return s}}qp.DEPTH_BASE="depthBase",qp.DEPTH="depth",qp.LINEAR_DEPTH="linearDepth";const jp=(e,t,r)=>e.add(t).div(t.sub(r)),Xp=(e,t,r)=>t.add(e).mul(r).div(r.sub(t).mul(e)),Kp=(e,t,r)=>t.mul(e.add(r)).div(e.mul(t.sub(r))),Yp=(e,t,r)=>t.mul(r).div(r.sub(t).mul(e).sub(r)),Qp=(e,t,r)=>{t=t.max(1e-6).toVar();const s=bo(e.negate().div(t)),i=bo(r.div(t));return s.div(i)},Zp=sn(qp,qp.DEPTH_BASE),Jp=nn(qp,qp.DEPTH),eg=sn(qp,qp.LINEAR_DEPTH).setParameterLength(0,1),tg=eg(Hp());Jp.assign=e=>Zp(e);class rg extends li{static get type(){return"ClippingNode"}constructor(e=rg.DEFAULT){super(),this.scope=e}setup(e){super.setup(e);const t=e.clippingContext,{intersectionPlanes:r,unionPlanes:s}=t;return this.hardwareClipping=e.material.hardwareClipping,this.scope===rg.ALPHA_TO_COVERAGE?this.setupAlphaToCoverage(r,s):this.scope===rg.HARDWARE?this.setupHardwareClipping(s,e):this.setupDefault(r,s)}setupAlphaToCoverage(e,t){return ln(()=>{const r=mn().toVar("distanceToPlane"),s=mn().toVar("distanceToGradient"),i=mn(1).toVar("clipOpacity"),n=t.length;if(!1===this.hardwareClipping&&n>0){const e=Gl(t).setGroup(xa);Rp(n,({i:t})=>{const n=e.element(t);r.assign(Jd.dot(n.xyz).negate().add(n.w)),s.assign(r.fwidth().div(2)),i.mulAssign(du(s.negate(),s,r))})}const a=e.length;if(a>0){const t=Gl(e).setGroup(xa),n=mn(1).toVar("intersectionClipOpacity");Rp(a,({i:e})=>{const i=t.element(e);r.assign(Jd.dot(i.xyz).negate().add(i.w)),s.assign(r.fwidth().div(2)),n.mulAssign(du(s.negate(),s,r).oneMinus())}),i.mulAssign(n.oneMinus())}Vn.a.mulAssign(i),Vn.a.equal(0).discard()})()}setupDefault(e,t){return ln(()=>{const r=t.length;if(!1===this.hardwareClipping&&r>0){const e=Gl(t).setGroup(xa);Rp(r,({i:t})=>{const r=e.element(t);Jd.dot(r.xyz).greaterThan(r.w).discard()})}const s=e.length;if(s>0){const t=Gl(e).setGroup(xa),r=bn(!0).toVar("clipped");Rp(s,({i:e})=>{const s=t.element(e);r.assign(Jd.dot(s.xyz).greaterThan(s.w).and(r))}),r.discard()}})()}setupHardwareClipping(e,t){const r=e.length;return t.enableHardwareClipping(r),ln(()=>{const s=Gl(e).setGroup(xa),i=$l(t.getClipDistance());Rp(r,({i:e})=>{const t=s.element(e),r=Jd.dot(t.xyz).sub(t.w).negate();i.element(e).assign(r)})})()}}rg.ALPHA_TO_COVERAGE="alphaToCoverage",rg.DEFAULT="default",rg.HARDWARE="hardware";const sg=ln(([e])=>So(La(1e4,Ro(La(17,e.x).add(La(.1,e.y)))).mul(Ba(.1,Bo(Ro(La(13,e.y).add(e.x))))))),ig=ln(([e])=>sg(xn(sg(e.xy),e.z))),ng=ln(([e])=>{const t=qo(Lo(Uo(e.xyz)),Lo(Io(e.xyz))),r=mn(1).div(mn(.05).mul(t)).toVar("pixScale"),s=xn(fo(_o(bo(r))),fo(vo(bo(r)))),i=xn(ig(_o(s.x.mul(e.xyz))),ig(_o(s.y.mul(e.xyz)))),n=So(bo(r)),a=Ba(La(n.oneMinus(),i.x),La(n,i.y)),o=Ho(n,n.oneMinus()),u=Nn(a.mul(a).div(La(2,o).mul(Fa(1,o))),a.sub(La(.5,o)).div(Fa(1,o)),Fa(1,Fa(1,a).mul(Fa(1,a)).div(La(2,o).mul(Fa(1,o))))),l=a.lessThan(o.oneMinus()).select(a.lessThan(o).select(u.x,u.y),u.z);return ou(l,1e-6,1)}).setLayout({name:"getAlphaHashThreshold",type:"float",inputs:[{name:"position",type:"vec3"}]});class ag extends Sl{static get type(){return"VertexColorNode"}constructor(e){super(null,"vec4"),this.isVertexColorNode=!0,this.index=e}getAttributeName(){const e=this.index;return"color"+(e>0?e:"")}generate(e){const t=this.getAttributeName(e);let r;return r=!0===e.hasGeometryAttribute(t)?super.generate(e):e.generateConst(this.nodeType,new s(1,1,1,1)),r}serialize(e){super.serialize(e),e.index=this.index}deserialize(e){super.deserialize(e),this.index=e.index}}const og=(e=0)=>new ag(e),ug=ln(([e,t])=>Ho(1,e.oneMinus().div(t)).oneMinus()).setLayout({name:"blendBurn",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),lg=ln(([e,t])=>Ho(e.div(t.oneMinus()),1)).setLayout({name:"blendDodge",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),dg=ln(([e,t])=>e.oneMinus().mul(t.oneMinus()).oneMinus()).setLayout({name:"blendScreen",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),cg=ln(([e,t])=>au(e.mul(2).mul(t),e.oneMinus().mul(2).mul(t.oneMinus()).oneMinus(),jo(.5,e))).setLayout({name:"blendOverlay",type:"vec3",inputs:[{name:"base",type:"vec3"},{name:"blend",type:"vec3"}]}),hg=ln(([e,t])=>{const r=t.a.add(e.a.mul(t.a.oneMinus()));return An(t.rgb.mul(t.a).add(e.rgb.mul(e.a).mul(t.a.oneMinus())).div(r),r)}).setLayout({name:"blendColor",type:"vec4",inputs:[{name:"base",type:"vec4"},{name:"blend",type:"vec4"}]}),pg=ln(([e])=>An(e.rgb.mul(e.a),e.a),{color:"vec4",return:"vec4"}),gg=ln(([e])=>(hn(e.a.equal(0),()=>An(0)),An(e.rgb.div(e.a),e.a)),{color:"vec4",return:"vec4"});class mg extends Q{static get type(){return"NodeMaterial"}get type(){return this.constructor.type}set type(e){}constructor(){super(),this.isNodeMaterial=!0,this.fog=!0,this.lights=!1,this.hardwareClipping=!1,this.lightsNode=null,this.envNode=null,this.aoNode=null,this.colorNode=null,this.normalNode=null,this.opacityNode=null,this.backdropNode=null,this.backdropAlphaNode=null,this.alphaTestNode=null,this.maskNode=null,this.maskShadowNode=null,this.positionNode=null,this.geometryNode=null,this.depthNode=null,this.receivedShadowPositionNode=null,this.castShadowPositionNode=null,this.receivedShadowNode=null,this.castShadowNode=null,this.outputNode=null,this.mrtNode=null,this.fragmentNode=null,this.vertexNode=null,this.contextNode=null}_getNodeChildren(){const e=[];for(const t of Object.getOwnPropertyNames(this)){if(!0===t.startsWith("_"))continue;const r=this[t];r&&!0===r.isNode&&e.push({property:t,childNode:r})}return e}customProgramCacheKey(){const e=[];for(const{property:t,childNode:r}of this._getNodeChildren())e.push(Is(t.slice(0,-4)),r.getCacheKey());return this.type+Os(e)}build(e){this.setup(e)}setupObserver(e){return new Ls(e)}setup(e){e.context.setupNormal=()=>Lu(this.setupNormal(e),"NORMAL","vec3"),e.context.setupPositionView=()=>this.setupPositionView(e),e.context.setupModelViewProjection=()=>this.setupModelViewProjection(e);const t=e.renderer,r=t.getRenderTarget();!0===t.contextNode.isContextNode?e.context={...e.context,...t.contextNode.getFlowContextData()}:o('NodeMaterial: "renderer.contextNode" must be an instance of `context()`.'),null!==this.contextNode&&(!0===this.contextNode.isContextNode?e.context={...e.context,...this.contextNode.getFlowContextData()}:o('NodeMaterial: "material.contextNode" must be an instance of `context()`.')),e.addStack();const s=this.setupVertex(e),i=Lu(this.vertexNode||s,"VERTEX");let n;e.context.clipSpace=i,e.stack.outputNode=i,this.setupHardwareClipping(e),null!==this.geometryNode&&(e.stack.outputNode=e.stack.outputNode.bypass(this.geometryNode)),e.addFlow("vertex",e.removeStack()),e.addStack();const a=this.setupClipping(e);if(!0!==this.depthWrite&&!0!==this.depthTest||(null!==r?!0===r.depthBuffer&&this.setupDepth(e):!0===t.depth&&this.setupDepth(e)),null===this.fragmentNode){this.setupDiffuseColor(e),this.setupVariants(e);const s=this.setupLighting(e);null!==a&&e.stack.addToStack(a);const i=An(s,Vn.a).max(0);n=this.setupOutput(e,i),na.assign(n);const o=null!==this.outputNode;if(o&&(n=this.outputNode),e.context.getOutput&&(n=e.context.getOutput(n,e)),null!==r){const e=t.getMRT(),r=this.mrtNode;null!==e?(o&&na.assign(n),n=e,null!==r&&(n=e.merge(r))):null!==r&&(n=r)}}else{let t=this.fragmentNode;!0!==t.isOutputStructNode&&(t=An(t)),n=this.setupOutput(e,t)}e.stack.outputNode=n,e.addFlow("fragment",e.removeStack()),e.observer=this.setupObserver(e)}setupClipping(e){if(null===e.clippingContext)return null;const{unionPlanes:t,intersectionPlanes:r}=e.clippingContext;let s=null;if(t.length>0||r.length>0){const t=e.renderer.currentSamples;this.alphaToCoverage&&t>1?s=new rg(rg.ALPHA_TO_COVERAGE):e.stack.addToStack(new rg)}return s}setupHardwareClipping(e){if(this.hardwareClipping=!1,null===e.clippingContext)return;const t=e.clippingContext.unionPlanes.length;t>0&&t<=8&&e.isAvailable("clipDistance")&&(e.stack.addToStack(new rg(rg.HARDWARE)),this.hardwareClipping=!0)}setupDepth(e){const{renderer:t,camera:r}=e;let s=this.depthNode;if(null===s){const e=t.getMRT();e&&e.has("depth")?s=e.get("depth"):!0===t.logarithmicDepthBuffer&&(s=r.isPerspectiveCamera?Qp(Jd.z,yd,bd):jp(Jd.z,yd,bd))}null!==s&&Jp.assign(s).toStack()}setupPositionView(){return $d.mul(Kd).xyz}setupModelViewProjection(){return xd.mul(Jd)}setupVertex(e){return e.addStack(),this.setupPosition(e),e.context.position=e.removeStack(),sp}setupPosition(e){const{object:t,geometry:r}=e;if((r.morphAttributes.position||r.morphAttributes.normal||r.morphAttributes.color)&&Bp(t).toStack(),!0===t.isSkinnedMesh&&Np(t).toStack(),this.displacementMap){const e=Uc("displacementMap","texture"),t=Uc("displacementScale","float"),r=Uc("displacementBias","float");Kd.addAssign(ac.normalize().mul(e.x.mul(t).add(r)))}return t.isBatchedMesh&&Tp(t).toStack(),t.isInstancedMesh&&t.instanceMatrix&&!0===t.instanceMatrix.isInstancedBufferAttribute&&bp(t).toStack(),null!==this.positionNode&&Kd.assign(Lu(this.positionNode,"POSITION","vec3")),Kd}setupDiffuseColor(e){const{object:t,geometry:r}=e;null!==this.maskNode&&bn(this.maskNode).not().discard();let s=this.colorNode?An(this.colorNode):Th;if(!0===this.vertexColors&&r.hasAttribute("color")&&(s=s.mul(og())),t.instanceColor){s=On("vec3","vInstanceColor").mul(s)}if(t.isBatchedMesh&&t._colorsTexture){s=On("vec3","vBatchColor").mul(s)}Vn.assign(s);const i=this.opacityNode?mn(this.opacityNode):Nh;Vn.a.assign(Vn.a.mul(i));let n=null;(null!==this.alphaTestNode||this.alphaTest>0)&&(n=null!==this.alphaTestNode?mn(this.alphaTestNode):xh,!0===this.alphaToCoverage?(Vn.a=du(n,n.add(Go(Vn.a)),Vn.a),Vn.a.lessThanEqual(0).discard()):Vn.a.lessThanEqual(n).discard()),!0===this.alphaHash&&Vn.a.lessThan(ng(Kd)).discard(),e.isOpaque()&&Vn.a.assign(1)}setupVariants(){}setupOutgoingLight(){return!0===this.lights?Nn(0):Vn.rgb}setupNormal(){return this.normalNode?Nn(this.normalNode):Bh}setupEnvironment(){let e=null;return this.envNode?e=this.envNode:this.envMap&&(e=this.envMap.isCubeTexture?Uc("envMap","cubeTexture"):Uc("envMap","texture")),e}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new Up(ep)),t}setupLights(e){const t=[],r=this.setupEnvironment(e);r&&r.isLightingNode&&t.push(r);const s=this.setupLightMap(e);s&&s.isLightingNode&&t.push(s);let i=this.aoNode;null===i&&e.material.aoMap&&(i=tp),e.context.getAO&&(i=e.context.getAO(i,e)),i&&t.push(new Lp(i));let n=this.lightsNode||e.lightsNode;return t.length>0&&(n=e.renderer.lighting.createNode([...n.getLights(),...t])),n}setupLightingModel(){}setupLighting(e){const{material:t}=e,{backdropNode:r,backdropAlphaNode:s,emissiveNode:i}=this,n=!0===this.lights||null!==this.lightsNode?this.setupLights(e):null;let a=this.setupOutgoingLight(e);if(n&&n.getScope().hasLights){const t=this.setupLightingModel(e)||null;a=Dp(n,t,r,s)}else null!==r&&(a=Nn(null!==s?au(a,r,s):r));return(i&&!0===i.isNode||t.emissive&&!0===t.emissive.isColor)&&(Gn.assign(Nn(i||vh)),a=a.add(Gn)),a}setupFog(e,t){const r=e.fogNode;return r&&(na.assign(t),t=An(r.toVar())),t}setupPremultipliedAlpha(e,t){return pg(t)}setupOutput(e,t){return!0===this.fog&&(t=this.setupFog(e,t)),!0===this.premultipliedAlpha&&(t=this.setupPremultipliedAlpha(e,t)),t}setDefaultValues(e){for(const t in e){const r=e[t];void 0===this[t]&&(this[t]=r,r&&r.clone&&(this[t]=r.clone()))}const t=Object.getOwnPropertyDescriptors(e.constructor.prototype);for(const e in t)void 0===Object.getOwnPropertyDescriptor(this.constructor.prototype,e)&&void 0!==t[e].get&&Object.defineProperty(this.constructor.prototype,e,t[e])}toJSON(e){const t=void 0===e||"string"==typeof e;t&&(e={textures:{},images:{},nodes:{}});const r=Q.prototype.toJSON.call(this,e);r.inputNodes={};for(const{property:t,childNode:s}of this._getNodeChildren())r.inputNodes[t]=s.toJSON(e).uuid;function s(e){const t=[];for(const r in e){const s=e[r];delete s.metadata,t.push(s)}return t}if(t){const t=s(e.textures),i=s(e.images),n=s(e.nodes);t.length>0&&(r.textures=t),i.length>0&&(r.images=i),n.length>0&&(r.nodes=n)}return r}copy(e){return this.lightsNode=e.lightsNode,this.envNode=e.envNode,this.aoNode=e.aoNode,this.colorNode=e.colorNode,this.normalNode=e.normalNode,this.opacityNode=e.opacityNode,this.backdropNode=e.backdropNode,this.backdropAlphaNode=e.backdropAlphaNode,this.alphaTestNode=e.alphaTestNode,this.maskNode=e.maskNode,this.maskShadowNode=e.maskShadowNode,this.positionNode=e.positionNode,this.geometryNode=e.geometryNode,this.depthNode=e.depthNode,this.receivedShadowPositionNode=e.receivedShadowPositionNode,this.castShadowPositionNode=e.castShadowPositionNode,this.receivedShadowNode=e.receivedShadowNode,this.castShadowNode=e.castShadowNode,this.outputNode=e.outputNode,this.mrtNode=e.mrtNode,this.fragmentNode=e.fragmentNode,this.vertexNode=e.vertexNode,this.contextNode=e.contextNode,super.copy(e)}}const fg=new Z;class yg extends mg{static get type(){return"LineBasicNodeMaterial"}constructor(e){super(),this.isLineBasicNodeMaterial=!0,this.setDefaultValues(fg),this.setValues(e)}}const bg=new J;class xg extends mg{static get type(){return"LineDashedNodeMaterial"}constructor(e){super(),this.isLineDashedNodeMaterial=!0,this.setDefaultValues(bg),this.dashOffset=0,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.setValues(e)}setupVariants(){const e=this.offsetNode?mn(this.offsetNode):Qh,t=this.dashScaleNode?mn(this.dashScaleNode):jh,r=this.dashSizeNode?mn(this.dashSizeNode):Xh,s=this.gapSizeNode?mn(this.gapSizeNode):Kh;aa.assign(r),oa.assign(s);const i=Du(Rl("lineDistance").mul(t));(e?i.add(e):i).mod(aa.add(oa)).greaterThan(aa).discard()}}const Tg=new J;class _g extends mg{static get type(){return"Line2NodeMaterial"}constructor(e={}){super(),this.isLine2NodeMaterial=!0,this.setDefaultValues(Tg),this.vertexColors=e.vertexColors,this.dashOffset=0,this.lineColorNode=null,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.blending=ee,this._useDash=e.dashed,this._useAlphaToCoverage=!0,this._useWorldUnits=!1,this.setValues(e)}setup(e){const{renderer:t}=e,r=this._useAlphaToCoverage,s=this.vertexColors,i=this._useDash,n=this._useWorldUnits,a=ln(({start:e,end:t})=>{const r=xd.element(2).element(2),s=xd.element(3).element(2).mul(-.5).div(r).sub(e.z).div(t.z.sub(e.z));return An(au(e.xyz,t.xyz,s),t.w)}).setLayout({name:"trimSegment",type:"vec4",inputs:[{name:"start",type:"vec4"},{name:"end",type:"vec4"}]});this.vertexNode=ln(()=>{const e=Rl("instanceStart"),t=Rl("instanceEnd"),r=An($d.mul(An(e,1))).toVar("start"),s=An($d.mul(An(t,1))).toVar("end");if(i){const e=this.dashScaleNode?mn(this.dashScaleNode):jh,t=this.offsetNode?mn(this.offsetNode):Qh,r=Rl("instanceDistanceStart"),s=Rl("instanceDistanceEnd");let i=Xd.y.lessThan(.5).select(e.mul(r),e.mul(s));i=i.add(t),On("float","lineDistance").assign(i)}n&&(On("vec3","worldStart").assign(r.xyz),On("vec3","worldEnd").assign(s.xyz));const o=Ql.z.div(Ql.w),u=xd.element(2).element(3).equal(-1);hn(u,()=>{hn(r.z.lessThan(0).and(s.z.greaterThan(0)),()=>{s.assign(a({start:r,end:s}))}).ElseIf(s.z.lessThan(0).and(r.z.greaterThanEqual(0)),()=>{r.assign(a({start:s,end:r}))})});const l=xd.mul(r),d=xd.mul(s),c=l.xyz.div(l.w),h=d.xyz.div(d.w),p=h.xy.sub(c.xy).toVar();p.x.assign(p.x.mul(o)),p.assign(p.normalize());const g=An().toVar();if(n){const e=s.xyz.sub(r.xyz).normalize(),t=au(r.xyz,s.xyz,.5).normalize(),n=e.cross(t).normalize(),a=e.cross(n),o=On("vec4","worldPos");o.assign(Xd.y.lessThan(.5).select(r,s));const u=Yh.mul(.5);o.addAssign(An(Xd.x.lessThan(0).select(n.mul(u),n.mul(u).negate()),0)),i||(o.addAssign(An(Xd.y.lessThan(.5).select(e.mul(u).negate(),e.mul(u)),0)),o.addAssign(An(a.mul(u),0)),hn(Xd.y.greaterThan(1).or(Xd.y.lessThan(0)),()=>{o.subAssign(An(a.mul(2).mul(u),0))})),g.assign(xd.mul(o));const l=Nn().toVar();l.assign(Xd.y.lessThan(.5).select(c,h)),g.z.assign(l.z.mul(g.w))}else{const e=xn(p.y,p.x.negate()).toVar("offset");p.x.assign(p.x.div(o)),e.x.assign(e.x.div(o)),e.assign(Xd.x.lessThan(0).select(e.negate(),e)),hn(Xd.y.lessThan(0),()=>{e.assign(e.sub(p))}).ElseIf(Xd.y.greaterThan(1),()=>{e.assign(e.add(p))}),e.assign(e.mul(Yh)),e.assign(e.div(Ql.w.div(jl))),g.assign(Xd.y.lessThan(.5).select(l,d)),e.assign(e.mul(g.w)),g.assign(g.add(An(e,0,0)))}return g})();const o=ln(({p1:e,p2:t,p3:r,p4:s})=>{const i=e.sub(r),n=s.sub(r),a=t.sub(e),o=i.dot(n),u=n.dot(a),l=i.dot(a),d=n.dot(n),c=a.dot(a).mul(d).sub(u.mul(u)),h=o.mul(u).sub(l.mul(d)).div(c).clamp(),p=o.add(u.mul(h)).div(d).clamp();return xn(h,p)});if(this.colorNode=ln(()=>{const e=El();if(i){const t=this.dashSizeNode?mn(this.dashSizeNode):Xh,r=this.gapSizeNode?mn(this.gapSizeNode):Kh;aa.assign(t),oa.assign(r);const s=On("float","lineDistance");e.y.lessThan(-1).or(e.y.greaterThan(1)).discard(),s.mod(aa.add(oa)).greaterThan(aa).discard()}const a=mn(1).toVar("alpha");if(n){const e=On("vec3","worldStart"),s=On("vec3","worldEnd"),n=On("vec4","worldPos").xyz.normalize().mul(1e5),u=s.sub(e),l=o({p1:e,p2:s,p3:Nn(0,0,0),p4:n}),d=e.add(u.mul(l.x)),c=n.mul(l.y),h=d.sub(c).length().div(Yh);if(!i)if(r&&t.currentSamples>0){const e=h.fwidth();a.assign(du(e.negate().add(.5),e.add(.5),h).oneMinus())}else h.greaterThan(.5).discard()}else if(r&&t.currentSamples>0){const t=e.x,r=e.y.greaterThan(0).select(e.y.sub(1),e.y.add(1)),s=t.mul(t).add(r.mul(r)),i=mn(s.fwidth()).toVar("dlen");hn(e.y.abs().greaterThan(1),()=>{a.assign(du(i.oneMinus(),i.add(1),s).oneMinus())})}else hn(e.y.abs().greaterThan(1),()=>{const t=e.x,r=e.y.greaterThan(0).select(e.y.sub(1),e.y.add(1));t.mul(t).add(r.mul(r)).greaterThan(1).discard()});let u;if(this.lineColorNode)u=this.lineColorNode;else if(s){const e=Rl("instanceColorStart"),t=Rl("instanceColorEnd");u=Xd.y.lessThan(.5).select(e,t).mul(Th)}else u=Th;return An(u,a)})(),this.transparent){const e=this.opacityNode?mn(this.opacityNode):Nh;this.outputNode=An(this.colorNode.rgb.mul(e).add(zp().rgb.mul(e.oneMinus())),this.colorNode.a)}super.setup(e)}get worldUnits(){return this._useWorldUnits}set worldUnits(e){this._useWorldUnits!==e&&(this._useWorldUnits=e,this.needsUpdate=!0)}get dashed(){return this._useDash}set dashed(e){this._useDash!==e&&(this._useDash=e,this.needsUpdate=!0)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}const vg=new te;class Ng extends mg{static get type(){return"MeshNormalNodeMaterial"}constructor(e){super(),this.isMeshNormalNodeMaterial=!0,this.setDefaultValues(vg),this.setValues(e)}setupDiffuseColor(){const e=this.opacityNode?mn(this.opacityNode):Nh;Vn.assign(zu(An(lh(dc),e),re))}}const Sg=ln(([e=Zd])=>{const t=e.z.atan(e.x).mul(1/(2*Math.PI)).add(.5),r=e.y.clamp(-1,1).asin().mul(1/Math.PI).add(.5);return xn(t,r)});class Rg extends se{constructor(e=1,t={}){super(e,e,t),this.isCubeRenderTarget=!0;const r={width:e,height:e,depth:1},s=[r,r,r,r,r,r];this.texture=new L(s),this._setTextureOptions(t),this.texture.isRenderTargetTexture=!0}fromEquirectangularTexture(e,t){const r=t.minFilter,s=t.generateMipmaps;t.generateMipmaps=!0,this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const i=new ie(5,5,5),n=Sg(Zd),a=new mg;a.colorNode=Dl(t,n,0),a.side=M,a.blending=ee;const o=new ne(i,a),u=new ae;u.add(o),t.minFilter===K&&(t.minFilter=oe);const l=new ue(1,10,this),d=e.getMRT();return e.setMRT(null),l.update(e,u),e.setMRT(d),t.minFilter=r,t.currentGenerateMipmaps=s,o.geometry.dispose(),o.material.dispose(),this}clear(e,t=!0,r=!0,s=!0){const i=e.getRenderTarget();for(let i=0;i<6;i++)e.setRenderTarget(this,i),e.clear(t,r,s);e.setRenderTarget(i)}}const Eg=new WeakMap;class Ag extends hi{static get type(){return"CubeMapNode"}constructor(e){super("vec3"),this.envNode=e,this._cubeTexture=null,this._cubeTextureNode=Mc(null);const t=new L;t.isRenderTargetTexture=!0,this._defaultTexture=t,this.updateBeforeType=ei.RENDER}updateBefore(e){const{renderer:t,material:r}=e,s=this.envNode;if(s.isTextureNode||s.isMaterialReferenceNode){const e=s.isTextureNode?s.value:r[s.property];if(e&&e.isTexture){const r=e.mapping;if(r===le||r===de){if(Eg.has(e)){const t=Eg.get(e);Cg(t,e.mapping),this._cubeTexture=t}else{const r=e.image;if(function(e){return null!=e&&e.height>0}(r)){const s=new Rg(r.height);s.fromEquirectangularTexture(t,e),Cg(s.texture,e.mapping),this._cubeTexture=s.texture,Eg.set(e,s.texture),e.addEventListener("dispose",wg)}else this._cubeTexture=this._defaultTexture}this._cubeTextureNode.value=this._cubeTexture}else this._cubeTextureNode=this.envNode}}}setup(e){return this.updateBefore(e),this._cubeTextureNode}}function wg(e){const t=e.target;t.removeEventListener("dispose",wg);const r=Eg.get(t);void 0!==r&&(Eg.delete(t),r.dispose())}function Cg(e,t){t===le?e.mapping=P:t===de&&(e.mapping=D)}const Mg=sn(Ag).setParameterLength(1);class Bg extends Fp{static get type(){return"BasicEnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){e.context.environment=Mg(this.envNode)}}class Fg extends Fp{static get type(){return"BasicLightMapNode"}constructor(e=null){super(),this.lightMapNode=e}setup(e){const t=mn(1/Math.PI);e.context.irradianceLightMap=this.lightMapNode.mul(t)}}class Lg{start(e){e.lightsNode.setupLights(e,e.lightsNode.getLightNodes(e)),this.indirect(e)}finish(){}direct(){}directRectArea(){}indirect(){}ambientOcclusion(){}}class Pg extends Lg{constructor(){super()}indirect({context:e}){const t=e.ambientOcclusion,r=e.reflectedLight,s=e.irradianceLightMap;r.indirectDiffuse.assign(An(0)),s?r.indirectDiffuse.addAssign(s):r.indirectDiffuse.addAssign(An(1,1,1,0)),r.indirectDiffuse.mulAssign(t),r.indirectDiffuse.mulAssign(Vn.rgb)}finish(e){const{material:t,context:r}=e,s=r.outgoingLight,i=e.context.environment;if(i)switch(t.combine){case pe:s.rgb.assign(au(s.rgb,s.rgb.mul(i.rgb),Ah.mul(wh)));break;case he:s.rgb.assign(au(s.rgb,i.rgb,Ah.mul(wh)));break;case ce:s.rgb.addAssign(i.rgb.mul(Ah.mul(wh)));break;default:d("BasicLightingModel: Unsupported .combine value:",t.combine)}}}const Dg=new ge;class Ug extends mg{static get type(){return"MeshBasicNodeMaterial"}constructor(e){super(),this.isMeshBasicNodeMaterial=!0,this.lights=!0,this.setDefaultValues(Dg),this.setValues(e)}setupNormal(){return ic(uc)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Bg(t):null}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new Fg(ep)),t}setupOutgoingLight(){return Vn.rgb}setupLightingModel(){return new Pg}}const Ig=ln(({f0:e,f90:t,dotVH:r})=>{const s=r.mul(-5.55473).sub(6.98316).mul(r).exp2();return e.mul(s.oneMinus()).add(t.mul(s))}),Og=ln(e=>e.diffuseColor.mul(1/Math.PI)),Vg=ln(({dotNH:e})=>ia.mul(mn(.5)).add(1).mul(mn(1/Math.PI)).mul(e.pow(ia))),kg=ln(({lightDirection:e})=>{const t=e.add(ec).normalize(),r=dc.dot(t).clamp(),s=ec.dot(t).clamp(),i=Ig({f0:ta,f90:1,dotVH:s}),n=mn(.25),a=Vg({dotNH:r});return i.mul(n).mul(a)});class Gg extends Pg{constructor(e=!0){super(),this.specular=e}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=dc.dot(e).clamp().mul(t);r.directDiffuse.addAssign(s.mul(Og({diffuseColor:Vn.rgb}))),!0===this.specular&&r.directSpecular.addAssign(s.mul(kg({lightDirection:e})).mul(Ah))}indirect(e){const{ambientOcclusion:t,irradiance:r,reflectedLight:s}=e.context;s.indirectDiffuse.addAssign(r.mul(Og({diffuseColor:Vn}))),s.indirectDiffuse.mulAssign(t)}}const zg=new me;class $g extends mg{static get type(){return"MeshLambertNodeMaterial"}constructor(e){super(),this.isMeshLambertNodeMaterial=!0,this.lights=!0,this.setDefaultValues(zg),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Bg(t):null}setupLightingModel(){return new Gg(!1)}}const Wg=new fe;class Hg extends mg{static get type(){return"MeshPhongNodeMaterial"}constructor(e){super(),this.isMeshPhongNodeMaterial=!0,this.lights=!0,this.shininessNode=null,this.specularNode=null,this.setDefaultValues(Wg),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new Bg(t):null}setupLightingModel(){return new Gg}setupVariants(){const e=(this.shininessNode?mn(this.shininessNode):_h).max(1e-4);ia.assign(e);const t=this.specularNode||Sh;ta.assign(t)}copy(e){return this.shininessNode=e.shininessNode,this.specularNode=e.specularNode,super.copy(e)}}const qg=ln(e=>{if(!1===e.geometry.hasAttribute("normal"))return mn(0);const t=uc.dFdx().abs().max(uc.dFdy().abs());return t.x.max(t.y).max(t.z)}),jg=ln(e=>{const{roughness:t}=e,r=qg();let s=t.max(.0525);return s=s.add(r),s=s.min(1),s}),Xg=ln(({alpha:e,dotNL:t,dotNV:r})=>{const s=e.pow2(),i=t.mul(s.add(s.oneMinus().mul(r.pow2())).sqrt()),n=r.mul(s.add(s.oneMinus().mul(t.pow2())).sqrt());return Pa(.5,i.add(n).max(io))}).setLayout({name:"V_GGX_SmithCorrelated",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNL",type:"float"},{name:"dotNV",type:"float"}]}),Kg=ln(({alphaT:e,alphaB:t,dotTV:r,dotBV:s,dotTL:i,dotBL:n,dotNV:a,dotNL:o})=>{const u=o.mul(Nn(e.mul(r),t.mul(s),a).length()),l=a.mul(Nn(e.mul(i),t.mul(n),o).length());return Pa(.5,u.add(l))}).setLayout({name:"V_GGX_SmithCorrelated_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotTV",type:"float",qualifier:"in"},{name:"dotBV",type:"float",qualifier:"in"},{name:"dotTL",type:"float",qualifier:"in"},{name:"dotBL",type:"float",qualifier:"in"},{name:"dotNV",type:"float",qualifier:"in"},{name:"dotNL",type:"float",qualifier:"in"}]}),Yg=ln(({alpha:e,dotNH:t})=>{const r=e.pow2(),s=t.pow2().mul(r.oneMinus()).oneMinus();return r.div(s.pow2()).mul(1/Math.PI)}).setLayout({name:"D_GGX",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNH",type:"float"}]}),Qg=mn(1/Math.PI),Zg=ln(({alphaT:e,alphaB:t,dotNH:r,dotTH:s,dotBH:i})=>{const n=e.mul(t),a=Nn(t.mul(s),e.mul(i),n.mul(r)),o=a.dot(a),u=n.div(o);return Qg.mul(n.mul(u.pow2()))}).setLayout({name:"D_GGX_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotNH",type:"float",qualifier:"in"},{name:"dotTH",type:"float",qualifier:"in"},{name:"dotBH",type:"float",qualifier:"in"}]}),Jg=ln(({lightDirection:e,f0:t,f90:r,roughness:s,f:i,normalView:n=dc,USE_IRIDESCENCE:a,USE_ANISOTROPY:o})=>{const u=s.pow2(),l=e.add(ec).normalize(),d=n.dot(e).clamp(),c=n.dot(ec).clamp(),h=n.dot(l).clamp(),p=ec.dot(l).clamp();let g,m,f=Ig({f0:t,f90:r,dotVH:p});if(Yi(a)&&(f=Xn.mix(f,i)),Yi(o)){const t=Jn.dot(e),r=Jn.dot(ec),s=Jn.dot(l),i=ea.dot(e),n=ea.dot(ec),a=ea.dot(l);g=Kg({alphaT:Qn,alphaB:u,dotTV:r,dotBV:n,dotTL:t,dotBL:i,dotNV:c,dotNL:d}),m=Zg({alphaT:Qn,alphaB:u,dotNH:h,dotTH:s,dotBH:a})}else g=Xg({alpha:u,dotNL:d,dotNV:c}),m=Yg({alpha:u,dotNH:h});return f.mul(g).mul(m)}),em=new 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tm=null;const rm=ln(({roughness:e,dotNV:t})=>{null===tm&&(tm=new ye(em,16,16,G,be),tm.name="DFG_LUT",tm.minFilter=oe,tm.magFilter=oe,tm.wrapS=xe,tm.wrapT=xe,tm.generateMipmaps=!1,tm.needsUpdate=!0);const r=xn(e,t);return Dl(tm,r).rg}),sm=ln(({lightDirection:e,f0:t,f90:r,roughness:s,f:i,USE_IRIDESCENCE:n,USE_ANISOTROPY:a})=>{const o=Jg({lightDirection:e,f0:t,f90:r,roughness:s,f:i,USE_IRIDESCENCE:n,USE_ANISOTROPY:a}),u=dc.dot(e).clamp(),l=dc.dot(ec).clamp(),d=rm({roughness:s,dotNV:l}),c=rm({roughness:s,dotNV:u}),h=t.mul(d.x).add(r.mul(d.y)),p=t.mul(c.x).add(r.mul(c.y)),g=d.x.add(d.y),m=c.x.add(c.y),f=mn(1).sub(g),y=mn(1).sub(m),b=t.add(t.oneMinus().mul(.047619)),x=h.mul(p).mul(b).div(mn(1).sub(f.mul(y).mul(b).mul(b)).add(io)),T=f.mul(y),_=x.mul(T);return o.add(_)}),im=ln(e=>{const{dotNV:t,specularColor:r,specularF90:s,roughness:i}=e,n=rm({dotNV:t,roughness:i});return r.mul(n.x).add(s.mul(n.y))}),nm=ln(({f:e,f90:t,dotVH:r})=>{const s=r.oneMinus().saturate(),i=s.mul(s),n=s.mul(i,i).clamp(0,.9999);return e.sub(Nn(t).mul(n)).div(n.oneMinus())}).setLayout({name:"Schlick_to_F0",type:"vec3",inputs:[{name:"f",type:"vec3"},{name:"f90",type:"float"},{name:"dotVH",type:"float"}]}),am=ln(({roughness:e,dotNH:t})=>{const r=e.pow2(),s=mn(1).div(r),i=t.pow2().oneMinus().max(.0078125);return mn(2).add(s).mul(i.pow(s.mul(.5))).div(2*Math.PI)}).setLayout({name:"D_Charlie",type:"float",inputs:[{name:"roughness",type:"float"},{name:"dotNH",type:"float"}]}),om=ln(({dotNV:e,dotNL:t})=>mn(1).div(mn(4).mul(t.add(e).sub(t.mul(e))))).setLayout({name:"V_Neubelt",type:"float",inputs:[{name:"dotNV",type:"float"},{name:"dotNL",type:"float"}]}),um=ln(({lightDirection:e})=>{const t=e.add(ec).normalize(),r=dc.dot(e).clamp(),s=dc.dot(ec).clamp(),i=dc.dot(t).clamp(),n=am({roughness:jn,dotNH:i}),a=om({dotNV:s,dotNL:r});return qn.mul(n).mul(a)}),lm=ln(({N:e,V:t,roughness:r})=>{const s=e.dot(t).saturate(),i=xn(r,s.oneMinus().sqrt());return i.assign(i.mul(.984375).add(.0078125)),i}).setLayout({name:"LTC_Uv",type:"vec2",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"roughness",type:"float"}]}),dm=ln(({f:e})=>{const t=e.length();return qo(t.mul(t).add(e.z).div(t.add(1)),0)}).setLayout({name:"LTC_ClippedSphereFormFactor",type:"float",inputs:[{name:"f",type:"vec3"}]}),cm=ln(({v1:e,v2:t})=>{const r=e.dot(t),s=r.abs().toVar(),i=s.mul(.0145206).add(.4965155).mul(s).add(.8543985).toVar(),n=s.add(4.1616724).mul(s).add(3.417594).toVar(),a=i.div(n),o=r.greaterThan(0).select(a,qo(r.mul(r).oneMinus(),1e-7).inverseSqrt().mul(.5).sub(a));return e.cross(t).mul(o)}).setLayout({name:"LTC_EdgeVectorFormFactor",type:"vec3",inputs:[{name:"v1",type:"vec3"},{name:"v2",type:"vec3"}]}),hm=ln(({N:e,V:t,P:r,mInv:s,p0:i,p1:n,p2:a,p3:o})=>{const u=n.sub(i).toVar(),l=o.sub(i).toVar(),d=u.cross(l),c=Nn().toVar();return hn(d.dot(r.sub(i)).greaterThanEqual(0),()=>{const u=t.sub(e.mul(t.dot(e))).normalize(),l=e.cross(u).negate(),d=s.mul(Fn(u,l,e).transpose()).toVar(),h=d.mul(i.sub(r)).normalize().toVar(),p=d.mul(n.sub(r)).normalize().toVar(),g=d.mul(a.sub(r)).normalize().toVar(),m=d.mul(o.sub(r)).normalize().toVar(),f=Nn(0).toVar();f.addAssign(cm({v1:h,v2:p})),f.addAssign(cm({v1:p,v2:g})),f.addAssign(cm({v1:g,v2:m})),f.addAssign(cm({v1:m,v2:h})),c.assign(Nn(dm({f:f})))}),c}).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"P",type:"vec3"},{name:"mInv",type:"mat3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),pm=ln(({P:e,p0:t,p1:r,p2:s,p3:i})=>{const n=r.sub(t).toVar(),a=i.sub(t).toVar(),o=n.cross(a),u=Nn().toVar();return hn(o.dot(e.sub(t)).greaterThanEqual(0),()=>{const n=t.sub(e).normalize().toVar(),a=r.sub(e).normalize().toVar(),o=s.sub(e).normalize().toVar(),l=i.sub(e).normalize().toVar(),d=Nn(0).toVar();d.addAssign(cm({v1:n,v2:a})),d.addAssign(cm({v1:a,v2:o})),d.addAssign(cm({v1:o,v2:l})),d.addAssign(cm({v1:l,v2:n})),u.assign(Nn(dm({f:d.abs()})))}),u}).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"P",type:"vec3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),gm=1/6,mm=e=>La(gm,La(e,La(e,e.negate().add(3)).sub(3)).add(1)),fm=e=>La(gm,La(e,La(e,La(3,e).sub(6))).add(4)),ym=e=>La(gm,La(e,La(e,La(-3,e).add(3)).add(3)).add(1)),bm=e=>La(gm,Jo(e,3)),xm=e=>mm(e).add(fm(e)),Tm=e=>ym(e).add(bm(e)),_m=e=>Ba(-1,fm(e).div(mm(e).add(fm(e)))),vm=e=>Ba(1,bm(e).div(ym(e).add(bm(e)))),Nm=(e,t,r)=>{const s=e.uvNode,i=La(s,t.zw).add(.5),n=_o(i),a=So(i),o=xm(a.x),u=Tm(a.x),l=_m(a.x),d=vm(a.x),c=_m(a.y),h=vm(a.y),p=xn(n.x.add(l),n.y.add(c)).sub(.5).mul(t.xy),g=xn(n.x.add(d),n.y.add(c)).sub(.5).mul(t.xy),m=xn(n.x.add(l),n.y.add(h)).sub(.5).mul(t.xy),f=xn(n.x.add(d),n.y.add(h)).sub(.5).mul(t.xy),y=xm(a.y).mul(Ba(o.mul(e.sample(p).level(r)),u.mul(e.sample(g).level(r)))),b=Tm(a.y).mul(Ba(o.mul(e.sample(m).level(r)),u.mul(e.sample(f).level(r))));return y.add(b)},Sm=ln(([e,t])=>{const r=xn(e.size(fn(t))),s=xn(e.size(fn(t.add(1)))),i=Pa(1,r),n=Pa(1,s),a=Nm(e,An(i,r),_o(t)),o=Nm(e,An(n,s),vo(t));return So(t).mix(a,o)}),Rm=ln(([e,t])=>{const r=t.mul(Ml(e));return Sm(e,r)}),Em=ln(([e,t,r,s,i])=>{const n=Nn(lu(t.negate(),No(e),Pa(1,s))),a=Nn(Lo(i[0].xyz),Lo(i[1].xyz),Lo(i[2].xyz));return No(n).mul(r.mul(a))}).setLayout({name:"getVolumeTransmissionRay",type:"vec3",inputs:[{name:"n",type:"vec3"},{name:"v",type:"vec3"},{name:"thickness",type:"float"},{name:"ior",type:"float"},{name:"modelMatrix",type:"mat4"}]}),Am=ln(([e,t])=>e.mul(ou(t.mul(2).sub(2),0,1))).setLayout({name:"applyIorToRoughness",type:"float",inputs:[{name:"roughness",type:"float"},{name:"ior",type:"float"}]}),wm=kp(),Cm=zp(),Mm=ln(([e,t,r],{material:s})=>{const i=(s.side===M?wm:Cm).sample(e),n=bo(Kl.x).mul(Am(t,r));return Sm(i,n)}),Bm=ln(([e,t,r])=>(hn(r.notEqual(0),()=>{const s=yo(t).negate().div(r);return mo(s.negate().mul(e))}),Nn(1))).setLayout({name:"volumeAttenuation",type:"vec3",inputs:[{name:"transmissionDistance",type:"float"},{name:"attenuationColor",type:"vec3"},{name:"attenuationDistance",type:"float"}]}),Fm=ln(([e,t,r,s,i,n,a,o,u,l,d,c,h,p,g])=>{let m,f;if(g){m=An().toVar(),f=Nn().toVar();const i=d.sub(1).mul(g.mul(.025)),n=Nn(d.sub(i),d,d.add(i));Rp({start:0,end:3},({i:i})=>{const d=n.element(i),g=Em(e,t,c,d,o),y=a.add(g),b=l.mul(u.mul(An(y,1))),x=xn(b.xy.div(b.w)).toVar();x.addAssign(1),x.divAssign(2),x.assign(xn(x.x,x.y.oneMinus()));const T=Mm(x,r,d);m.element(i).assign(T.element(i)),m.a.addAssign(T.a),f.element(i).assign(s.element(i).mul(Bm(Lo(g),h,p).element(i)))}),m.a.divAssign(3)}else{const i=Em(e,t,c,d,o),n=a.add(i),g=l.mul(u.mul(An(n,1))),y=xn(g.xy.div(g.w)).toVar();y.addAssign(1),y.divAssign(2),y.assign(xn(y.x,y.y.oneMinus())),m=Mm(y,r,d),f=s.mul(Bm(Lo(i),h,p))}const y=f.rgb.mul(m.rgb),b=e.dot(t).clamp(),x=Nn(im({dotNV:b,specularColor:i,specularF90:n,roughness:r})),T=f.r.add(f.g,f.b).div(3);return An(x.oneMinus().mul(y),m.a.oneMinus().mul(T).oneMinus())}),Lm=Fn(3.2404542,-.969266,.0556434,-1.5371385,1.8760108,-.2040259,-.4985314,.041556,1.0572252),Pm=(e,t)=>e.sub(t).div(e.add(t)).pow2(),Dm=ln(({outsideIOR:e,eta2:t,cosTheta1:r,thinFilmThickness:s,baseF0:i})=>{const n=au(e,t,du(0,.03,s)),a=e.div(n).pow2().mul(r.pow2().oneMinus()).oneMinus();hn(a.lessThan(0),()=>Nn(1));const o=a.sqrt(),u=Pm(n,e),l=Ig({f0:u,f90:1,dotVH:r}),d=l.oneMinus(),c=n.lessThan(e).select(Math.PI,0),h=mn(Math.PI).sub(c),p=(e=>{const t=e.sqrt();return Nn(1).add(t).div(Nn(1).sub(t))})(i.clamp(0,.9999)),g=Pm(p,n.toVec3()),m=Ig({f0:g,f90:1,dotVH:o}),f=Nn(p.x.lessThan(n).select(Math.PI,0),p.y.lessThan(n).select(Math.PI,0),p.z.lessThan(n).select(Math.PI,0)),y=n.mul(s,o,2),b=Nn(h).add(f),x=l.mul(m).clamp(1e-5,.9999),T=x.sqrt(),_=d.pow2().mul(m).div(Nn(1).sub(x)),v=l.add(_).toVar(),N=_.sub(d).toVar();return Rp({start:1,end:2,condition:"<=",name:"m"},({m:e})=>{N.mulAssign(T);const t=((e,t)=>{const r=e.mul(2*Math.PI*1e-9),s=Nn(54856e-17,44201e-17,52481e-17),i=Nn(1681e3,1795300,2208400),n=Nn(43278e5,93046e5,66121e5),a=mn(9747e-17*Math.sqrt(2*Math.PI*45282e5)).mul(r.mul(2239900).add(t.x).cos()).mul(r.pow2().mul(-45282e5).exp());let o=s.mul(n.mul(2*Math.PI).sqrt()).mul(i.mul(r).add(t).cos()).mul(r.pow2().negate().mul(n).exp());return o=Nn(o.x.add(a),o.y,o.z).div(1.0685e-7),Lm.mul(o)})(mn(e).mul(y),mn(e).mul(b)).mul(2);v.addAssign(N.mul(t))}),v.max(Nn(0))}).setLayout({name:"evalIridescence",type:"vec3",inputs:[{name:"outsideIOR",type:"float"},{name:"eta2",type:"float"},{name:"cosTheta1",type:"float"},{name:"thinFilmThickness",type:"float"},{name:"baseF0",type:"vec3"}]}),Um=ln(({normal:e,viewDir:t,roughness:r})=>{const s=e.dot(t).saturate(),i=r.mul(r),n=r.add(.1).reciprocal(),a=mn(-1.9362).add(r.mul(1.0678)).add(i.mul(.4573)).sub(n.mul(.8469)),o=mn(-.6014).add(r.mul(.5538)).sub(i.mul(.467)).sub(n.mul(.1255));return a.mul(s).add(o).exp().saturate()}),Im=Nn(.04),Om=mn(1);class Vm extends Lg{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1){super(),this.clearcoat=e,this.sheen=t,this.iridescence=r,this.anisotropy=s,this.transmission=i,this.dispersion=n,this.clearcoatRadiance=null,this.clearcoatSpecularDirect=null,this.clearcoatSpecularIndirect=null,this.sheenSpecularDirect=null,this.sheenSpecularIndirect=null,this.iridescenceFresnel=null,this.iridescenceF0=null,this.iridescenceF0Dielectric=null,this.iridescenceF0Metallic=null}start(e){if(!0===this.clearcoat&&(this.clearcoatRadiance=Nn().toVar("clearcoatRadiance"),this.clearcoatSpecularDirect=Nn().toVar("clearcoatSpecularDirect"),this.clearcoatSpecularIndirect=Nn().toVar("clearcoatSpecularIndirect")),!0===this.sheen&&(this.sheenSpecularDirect=Nn().toVar("sheenSpecularDirect"),this.sheenSpecularIndirect=Nn().toVar("sheenSpecularIndirect")),!0===this.iridescence){const e=dc.dot(ec).clamp(),t=Dm({outsideIOR:mn(1),eta2:Kn,cosTheta1:e,thinFilmThickness:Yn,baseF0:ta}),r=Dm({outsideIOR:mn(1),eta2:Kn,cosTheta1:e,thinFilmThickness:Yn,baseF0:Vn.rgb});this.iridescenceFresnel=au(t,r,$n),this.iridescenceF0Dielectric=nm({f:t,f90:1,dotVH:e}),this.iridescenceF0Metallic=nm({f:r,f90:1,dotVH:e}),this.iridescenceF0=au(this.iridescenceF0Dielectric,this.iridescenceF0Metallic,$n)}if(!0===this.transmission){const t=Qd,r=Sd.sub(Qd).normalize(),s=cc,i=e.context;i.backdrop=Fm(s,r,zn,kn,ra,sa,t,Ud,_d,xd,la,ca,pa,ha,this.dispersion?ga:null),i.backdropAlpha=da,Vn.a.mulAssign(au(1,i.backdrop.a,da))}super.start(e)}computeMultiscattering(e,t,r,s,i=null){const n=dc.dot(ec).clamp(),a=rm({roughness:zn,dotNV:n}),o=i?Xn.mix(s,i):s,u=o.mul(a.x).add(r.mul(a.y)),l=a.x.add(a.y).oneMinus(),d=o.add(o.oneMinus().mul(.047619)),c=u.mul(d).div(l.mul(d).oneMinus());e.addAssign(u),t.addAssign(c.mul(l))}direct({lightDirection:e,lightColor:t,reflectedLight:r}){const s=dc.dot(e).clamp().mul(t).toVar();if(!0===this.sheen){this.sheenSpecularDirect.addAssign(s.mul(um({lightDirection:e})));const t=Um({normal:dc,viewDir:ec,roughness:jn}),r=Um({normal:dc,viewDir:e,roughness:jn}),i=qn.r.max(qn.g).max(qn.b).mul(t.max(r)).oneMinus();s.mulAssign(i)}if(!0===this.clearcoat){const r=hc.dot(e).clamp().mul(t);this.clearcoatSpecularDirect.addAssign(r.mul(Jg({lightDirection:e,f0:Im,f90:Om,roughness:Hn,normalView:hc})))}r.directDiffuse.addAssign(s.mul(Og({diffuseColor:kn}))),r.directSpecular.addAssign(s.mul(sm({lightDirection:e,f0:ra,f90:1,roughness:zn,f:this.iridescenceFresnel,USE_IRIDESCENCE:this.iridescence,USE_ANISOTROPY:this.anisotropy})))}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s,reflectedLight:i,ltc_1:n,ltc_2:a}){const o=t.add(r).sub(s),u=t.sub(r).sub(s),l=t.sub(r).add(s),d=t.add(r).add(s),c=dc,h=ec,p=Jd.toVar(),g=lm({N:c,V:h,roughness:zn}),m=n.sample(g).toVar(),f=a.sample(g).toVar(),y=Fn(Nn(m.x,0,m.y),Nn(0,1,0),Nn(m.z,0,m.w)).toVar(),b=ra.mul(f.x).add(sa.sub(ra).mul(f.y)).toVar();if(i.directSpecular.addAssign(e.mul(b).mul(hm({N:c,V:h,P:p,mInv:y,p0:o,p1:u,p2:l,p3:d}))),i.directDiffuse.addAssign(e.mul(kn).mul(hm({N:c,V:h,P:p,mInv:Fn(1,0,0,0,1,0,0,0,1),p0:o,p1:u,p2:l,p3:d}))),!0===this.clearcoat){const t=hc,r=lm({N:t,V:h,roughness:Hn}),s=n.sample(r),i=a.sample(r),c=Fn(Nn(s.x,0,s.y),Nn(0,1,0),Nn(s.z,0,s.w)),g=Im.mul(i.x).add(Om.sub(Im).mul(i.y));this.clearcoatSpecularDirect.addAssign(e.mul(g).mul(hm({N:t,V:h,P:p,mInv:c,p0:o,p1:u,p2:l,p3:d})))}}indirect(e){this.indirectDiffuse(e),this.indirectSpecular(e),this.ambientOcclusion(e)}indirectDiffuse(e){const{irradiance:t,reflectedLight:r}=e.context,s=t.mul(Og({diffuseColor:kn})).toVar();if(!0===this.sheen){const e=Um({normal:dc,viewDir:ec,roughness:jn}),t=qn.r.max(qn.g).max(qn.b).mul(e).oneMinus();s.mulAssign(t)}r.indirectDiffuse.addAssign(s)}indirectSpecular(e){const{radiance:t,iblIrradiance:r,reflectedLight:s}=e.context;if(!0===this.sheen&&this.sheenSpecularIndirect.addAssign(r.mul(qn,Um({normal:dc,viewDir:ec,roughness:jn}))),!0===this.clearcoat){const e=hc.dot(ec).clamp(),t=im({dotNV:e,specularColor:Im,specularF90:Om,roughness:Hn});this.clearcoatSpecularIndirect.addAssign(this.clearcoatRadiance.mul(t))}const i=Nn().toVar("singleScatteringDielectric"),n=Nn().toVar("multiScatteringDielectric"),a=Nn().toVar("singleScatteringMetallic"),o=Nn().toVar("multiScatteringMetallic");this.computeMultiscattering(i,n,sa,ta,this.iridescenceF0Dielectric),this.computeMultiscattering(a,o,sa,Vn.rgb,this.iridescenceF0Metallic);const u=au(i,a,$n),l=au(n,o,$n),d=i.add(n),c=kn.mul(d.oneMinus()),h=r.mul(1/Math.PI),p=t.mul(u).add(l.mul(h)).toVar(),g=c.mul(h).toVar();if(!0===this.sheen){const e=Um({normal:dc,viewDir:ec,roughness:jn}),t=qn.r.max(qn.g).max(qn.b).mul(e).oneMinus();p.mulAssign(t),g.mulAssign(t)}s.indirectSpecular.addAssign(p),s.indirectDiffuse.addAssign(g)}ambientOcclusion(e){const{ambientOcclusion:t,reflectedLight:r}=e.context,s=dc.dot(ec).clamp().add(t),i=zn.mul(-16).oneMinus().negate().exp2(),n=t.sub(s.pow(i).oneMinus()).clamp();!0===this.clearcoat&&this.clearcoatSpecularIndirect.mulAssign(t),!0===this.sheen&&this.sheenSpecularIndirect.mulAssign(t),r.indirectDiffuse.mulAssign(t),r.indirectSpecular.mulAssign(n)}finish({context:e}){const{outgoingLight:t}=e;if(!0===this.clearcoat){const e=hc.dot(ec).clamp(),r=Ig({dotVH:e,f0:Im,f90:Om}),s=t.mul(Wn.mul(r).oneMinus()).add(this.clearcoatSpecularDirect.add(this.clearcoatSpecularIndirect).mul(Wn));t.assign(s)}if(!0===this.sheen){const e=t.add(this.sheenSpecularDirect,this.sheenSpecularIndirect.mul(1/Math.PI));t.assign(e)}}}const km=mn(1),Gm=mn(-2),zm=mn(.8),$m=mn(-1),Wm=mn(.4),Hm=mn(2),qm=mn(.305),jm=mn(3),Xm=mn(.21),Km=mn(4),Ym=mn(4),Qm=mn(16),Zm=ln(([e])=>{const t=Nn(Bo(e)).toVar(),r=mn(-1).toVar();return hn(t.x.greaterThan(t.z),()=>{hn(t.x.greaterThan(t.y),()=>{r.assign(xu(e.x.greaterThan(0),0,3))}).Else(()=>{r.assign(xu(e.y.greaterThan(0),1,4))})}).Else(()=>{hn(t.z.greaterThan(t.y),()=>{r.assign(xu(e.z.greaterThan(0),2,5))}).Else(()=>{r.assign(xu(e.y.greaterThan(0),1,4))})}),r}).setLayout({name:"getFace",type:"float",inputs:[{name:"direction",type:"vec3"}]}),Jm=ln(([e,t])=>{const r=xn().toVar();return hn(t.equal(0),()=>{r.assign(xn(e.z,e.y).div(Bo(e.x)))}).ElseIf(t.equal(1),()=>{r.assign(xn(e.x.negate(),e.z.negate()).div(Bo(e.y)))}).ElseIf(t.equal(2),()=>{r.assign(xn(e.x.negate(),e.y).div(Bo(e.z)))}).ElseIf(t.equal(3),()=>{r.assign(xn(e.z.negate(),e.y).div(Bo(e.x)))}).ElseIf(t.equal(4),()=>{r.assign(xn(e.x.negate(),e.z).div(Bo(e.y)))}).Else(()=>{r.assign(xn(e.x,e.y).div(Bo(e.z)))}),La(.5,r.add(1))}).setLayout({name:"getUV",type:"vec2",inputs:[{name:"direction",type:"vec3"},{name:"face",type:"float"}]}),ef=ln(([e])=>{const t=mn(0).toVar();return hn(e.greaterThanEqual(zm),()=>{t.assign(km.sub(e).mul($m.sub(Gm)).div(km.sub(zm)).add(Gm))}).ElseIf(e.greaterThanEqual(Wm),()=>{t.assign(zm.sub(e).mul(Hm.sub($m)).div(zm.sub(Wm)).add($m))}).ElseIf(e.greaterThanEqual(qm),()=>{t.assign(Wm.sub(e).mul(jm.sub(Hm)).div(Wm.sub(qm)).add(Hm))}).ElseIf(e.greaterThanEqual(Xm),()=>{t.assign(qm.sub(e).mul(Km.sub(jm)).div(qm.sub(Xm)).add(jm))}).Else(()=>{t.assign(mn(-2).mul(bo(La(1.16,e))))}),t}).setLayout({name:"roughnessToMip",type:"float",inputs:[{name:"roughness",type:"float"}]}),tf=ln(([e,t])=>{const r=e.toVar();r.assign(La(2,r).sub(1));const s=Nn(r,1).toVar();return hn(t.equal(0),()=>{s.assign(s.zyx)}).ElseIf(t.equal(1),()=>{s.assign(s.xzy),s.xz.mulAssign(-1)}).ElseIf(t.equal(2),()=>{s.x.mulAssign(-1)}).ElseIf(t.equal(3),()=>{s.assign(s.zyx),s.xz.mulAssign(-1)}).ElseIf(t.equal(4),()=>{s.assign(s.xzy),s.xy.mulAssign(-1)}).ElseIf(t.equal(5),()=>{s.z.mulAssign(-1)}),s}).setLayout({name:"getDirection",type:"vec3",inputs:[{name:"uv",type:"vec2"},{name:"face",type:"float"}]}),rf=ln(([e,t,r,s,i,n])=>{const a=mn(r),o=Nn(t),u=ou(ef(a),Gm,n),l=So(u),d=_o(u),c=Nn(sf(e,o,d,s,i,n)).toVar();return hn(l.notEqual(0),()=>{const t=Nn(sf(e,o,d.add(1),s,i,n)).toVar();c.assign(au(c,t,l))}),c}),sf=ln(([e,t,r,s,i,n])=>{const a=mn(r).toVar(),o=Nn(t),u=mn(Zm(o)).toVar(),l=mn(qo(Ym.sub(a),0)).toVar();a.assign(qo(a,Ym));const d=mn(fo(a)).toVar(),c=xn(Jm(o,u).mul(d.sub(2)).add(1)).toVar();return hn(u.greaterThan(2),()=>{c.y.addAssign(d),u.subAssign(3)}),c.x.addAssign(u.mul(d)),c.x.addAssign(l.mul(La(3,Qm))),c.y.addAssign(La(4,fo(n).sub(d))),c.x.mulAssign(s),c.y.mulAssign(i),e.sample(c).grad(xn(),xn())}),nf=ln(({envMap:e,mipInt:t,outputDirection:r,theta:s,axis:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:a,CUBEUV_MAX_MIP:o})=>{const u=Eo(s),l=r.mul(u).add(i.cross(r).mul(Ro(s))).add(i.mul(i.dot(r).mul(u.oneMinus())));return sf(e,l,t,n,a,o)}),af=ln(({n:e,latitudinal:t,poleAxis:r,outputDirection:s,weights:i,samples:n,dTheta:a,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})=>{const h=Nn(xu(t,r,Zo(r,s))).toVar();hn(h.equal(Nn(0)),()=>{h.assign(Nn(s.z,0,s.x.negate()))}),h.assign(No(h));const p=Nn().toVar();return p.addAssign(i.element(0).mul(nf({theta:0,axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),Rp({start:fn(1),end:e},({i:e})=>{hn(e.greaterThanEqual(n),()=>{Ep()});const t=mn(a.mul(mn(e))).toVar();p.addAssign(i.element(e).mul(nf({theta:t.mul(-1),axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c}))),p.addAssign(i.element(e).mul(nf({theta:t,axis:h,outputDirection:s,mipInt:o,envMap:u,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:c})))}),An(p,1)}),of=ln(([e])=>{const t=yn(e).toVar();return t.assign(t.shiftLeft(yn(16)).bitOr(t.shiftRight(yn(16)))),t.assign(t.bitAnd(yn(1431655765)).shiftLeft(yn(1)).bitOr(t.bitAnd(yn(2863311530)).shiftRight(yn(1)))),t.assign(t.bitAnd(yn(858993459)).shiftLeft(yn(2)).bitOr(t.bitAnd(yn(3435973836)).shiftRight(yn(2)))),t.assign(t.bitAnd(yn(252645135)).shiftLeft(yn(4)).bitOr(t.bitAnd(yn(4042322160)).shiftRight(yn(4)))),t.assign(t.bitAnd(yn(16711935)).shiftLeft(yn(8)).bitOr(t.bitAnd(yn(4278255360)).shiftRight(yn(8)))),mn(t).mul(2.3283064365386963e-10)}),uf=ln(([e,t])=>xn(mn(e).div(mn(t)),of(e))),lf=ln(([e,t,r])=>{const s=r.mul(r).toConst(),i=Nn(1,0,0).toConst(),n=Zo(t,i).toConst(),a=xo(e.x).toConst(),o=La(2,3.14159265359).mul(e.y).toConst(),u=a.mul(Eo(o)).toConst(),l=a.mul(Ro(o)).toVar(),d=La(.5,t.z.add(1)).toConst();l.assign(d.oneMinus().mul(xo(u.mul(u).oneMinus())).add(d.mul(l)));const c=i.mul(u).add(n.mul(l)).add(t.mul(xo(qo(0,u.mul(u).add(l.mul(l)).oneMinus()))));return No(Nn(s.mul(c.x),s.mul(c.y),qo(0,c.z)))}),df=ln(({roughness:e,mipInt:t,envMap:r,N_immutable:s,GGX_SAMPLES:i,CUBEUV_TEXEL_WIDTH:n,CUBEUV_TEXEL_HEIGHT:a,CUBEUV_MAX_MIP:o})=>{const u=Nn(s).toVar(),l=Nn(0).toVar(),d=mn(0).toVar();return hn(e.lessThan(.001),()=>{l.assign(sf(r,u,t,n,a,o))}).Else(()=>{const s=xu(Bo(u.z).lessThan(.999),Nn(0,0,1),Nn(1,0,0)),c=No(Zo(s,u)).toVar(),h=Zo(u,c).toVar();Rp({start:yn(0),end:i},({i:s})=>{const p=uf(s,i),g=lf(p,Nn(0,0,1),e),m=No(c.mul(g.x).add(h.mul(g.y)).add(u.mul(g.z))),f=No(m.mul(Qo(u,m).mul(2)).sub(u)),y=qo(Qo(u,f),0);hn(y.greaterThan(0),()=>{const e=sf(r,f,t,n,a,o);l.addAssign(e.mul(y)),d.addAssign(y)})}),hn(d.greaterThan(0),()=>{l.assign(l.div(d))})}),An(l,1)}),cf=[.125,.215,.35,.446,.526,.582],hf=20,pf=new _e(-1,1,1,-1,0,1),gf=new ve(90,1),mf=new e;let ff=null,yf=0,bf=0;const xf=new r,Tf=new WeakMap,_f=[3,1,5,0,4,2],vf=tf(El(),Rl("faceIndex")).normalize(),Nf=Nn(vf.x,vf.y,vf.z);class Sf{constructor(e){this._renderer=e,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._sizeLods=[],this._sigmas=[],this._lodMeshes=[],this._blurMaterial=null,this._ggxMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._backgroundBox=null}get _hasInitialized(){return this._renderer.hasInitialized()}fromScene(e,t=0,r=.1,s=100,i={}){const{size:n=256,position:a=xf,renderTarget:o=null}=i;if(this._setSize(n),!1===this._hasInitialized){d('PMREMGenerator: ".fromScene()" called before the backend is initialized. Try using "await renderer.init()" instead.');const n=o||this._allocateTarget();return i.renderTarget=n,this.fromSceneAsync(e,t,r,s,i),n}ff=this._renderer.getRenderTarget(),yf=this._renderer.getActiveCubeFace(),bf=this._renderer.getActiveMipmapLevel();const u=o||this._allocateTarget();return u.depthBuffer=!0,this._init(u),this._sceneToCubeUV(e,r,s,u,a),t>0&&this._blur(u,0,0,t),this._applyPMREM(u),this._cleanup(u),u}async fromSceneAsync(e,t=0,r=.1,s=100,i={}){return v('PMREMGenerator: ".fromSceneAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this.fromScene(e,t,r,s,i)}fromEquirectangular(e,t=null){if(!1===this._hasInitialized){d('PMREMGenerator: .fromEquirectangular() called before the backend is initialized. Try using "await renderer.init()" instead.'),this._setSizeFromTexture(e);const r=t||this._allocateTarget();return this.fromEquirectangularAsync(e,r),r}return this._fromTexture(e,t)}async fromEquirectangularAsync(e,t=null){return v('PMREMGenerator: ".fromEquirectangularAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this._fromTexture(e,t)}fromCubemap(e,t=null){if(!1===this._hasInitialized){d("PMREMGenerator: .fromCubemap() called before the backend is initialized. Try using .fromCubemapAsync() instead."),this._setSizeFromTexture(e);const r=t||this._allocateTarget();return this.fromCubemapAsync(e,t),r}return this._fromTexture(e,t)}async fromCubemapAsync(e,t=null){return v('PMREMGenerator: ".fromCubemapAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this._fromTexture(e,t)}async compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=wf(),await this._compileMaterial(this._cubemapMaterial))}async compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=Cf(),await this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose(),null!==this._backgroundBox&&(this._backgroundBox.geometry.dispose(),this._backgroundBox.material.dispose())}_setSizeFromTexture(e){e.mapping===P||e.mapping===D?this._setSize(0===e.image.length?16:e.image[0].width||e.image[0].image.width):this._setSize(e.image.width/4)}_setSize(e){this._lodMax=Math.floor(Math.log2(e)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._ggxMaterial&&this._ggxMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let e=0;e<this._lodMeshes.length;e++)this._lodMeshes[e].geometry.dispose()}_cleanup(e){this._renderer.setRenderTarget(ff,yf,bf),e.scissorTest=!1,Ef(e,0,0,e.width,e.height)}_fromTexture(e,t){this._setSizeFromTexture(e),ff=this._renderer.getRenderTarget(),yf=this._renderer.getActiveCubeFace(),bf=this._renderer.getActiveMipmapLevel();const r=t||this._allocateTarget();return this._init(r),this._textureToCubeUV(e,r),this._applyPMREM(r),this._cleanup(r),r}_allocateTarget(){return Rf(3*Math.max(this._cubeSize,112),4*this._cubeSize)}_init(e){if(null===this._pingPongRenderTarget||this._pingPongRenderTarget.width!==e.width||this._pingPongRenderTarget.height!==e.height){null!==this._pingPongRenderTarget&&this._dispose(),this._pingPongRenderTarget=Rf(e.width,e.height);const{_lodMax:t}=this;({lodMeshes:this._lodMeshes,sizeLods:this._sizeLods,sigmas:this._sigmas}=function(e){const t=[],r=[],s=[];let i=e;const n=e-4+1+cf.length;for(let a=0;a<n;a++){const n=Math.pow(2,i);t.push(n);let o=1/n;a>e-4?o=cf[a-e+4-1]:0===a&&(o=0),r.push(o);const u=1/(n-2),l=-u,d=1+u,c=[l,l,d,l,d,d,l,l,d,d,l,d],h=6,p=6,g=3,m=2,f=1,y=new Float32Array(g*p*h),b=new Float32Array(m*p*h),x=new Float32Array(f*p*h);for(let e=0;e<h;e++){const t=e%3*2/3-1,r=e>2?0:-1,s=[t,r,0,t+2/3,r,0,t+2/3,r+1,0,t,r,0,t+2/3,r+1,0,t,r+1,0],i=_f[e];y.set(s,g*p*i),b.set(c,m*p*i);const n=[i,i,i,i,i,i];x.set(n,f*p*i)}const T=new Te;T.setAttribute("position",new Ee(y,g)),T.setAttribute("uv",new Ee(b,m)),T.setAttribute("faceIndex",new Ee(x,f)),s.push(new ne(T,null)),i>4&&i--}return{lodMeshes:s,sizeLods:t,sigmas:r}}(t)),this._blurMaterial=function(e,t,s){const i=Gl(new Array(hf).fill(0)),n=va(new r(0,1,0)),a=va(0),o=mn(hf),u=va(0),l=va(1),d=Dl(),c=va(0),h=mn(1/t),p=mn(1/s),g=mn(e),m={n:o,latitudinal:u,weights:i,poleAxis:n,outputDirection:Nf,dTheta:a,samples:l,envMap:d,mipInt:c,CUBEUV_TEXEL_WIDTH:h,CUBEUV_TEXEL_HEIGHT:p,CUBEUV_MAX_MIP:g},f=Af("blur");return f.fragmentNode=af({...m,latitudinal:u.equal(1)}),Tf.set(f,m),f}(t,e.width,e.height),this._ggxMaterial=function(e,t,r){const s=Dl(),i=va(0),n=va(0),a=mn(1/t),o=mn(1/r),u=mn(e),l={envMap:s,roughness:i,mipInt:n,CUBEUV_TEXEL_WIDTH:a,CUBEUV_TEXEL_HEIGHT:o,CUBEUV_MAX_MIP:u},d=Af("ggx");return d.fragmentNode=df({...l,N_immutable:Nf,GGX_SAMPLES:yn(512)}),Tf.set(d,l),d}(t,e.width,e.height)}}async _compileMaterial(e){const t=new ne(new Te,e);await this._renderer.compile(t,pf)}_sceneToCubeUV(e,t,r,s,i){const n=gf;n.near=t,n.far=r;const a=[1,1,1,1,-1,1],o=[1,-1,1,-1,1,-1],u=this._renderer,l=u.autoClear;u.getClearColor(mf),u.autoClear=!1,null===this._backgroundBox&&(this._backgroundBox=new ne(new ie,new ge({name:"PMREM.Background",side:M,depthWrite:!1,depthTest:!1})));const d=this._backgroundBox,c=d.material;let h=!1;const p=e.background;p?p.isColor&&(c.color.copy(p),e.background=null,h=!0):(c.color.copy(mf),h=!0),u.setRenderTarget(s),u.clear(),h&&u.render(d,n);for(let t=0;t<6;t++){const r=t%3;0===r?(n.up.set(0,a[t],0),n.position.set(i.x,i.y,i.z),n.lookAt(i.x+o[t],i.y,i.z)):1===r?(n.up.set(0,0,a[t]),n.position.set(i.x,i.y,i.z),n.lookAt(i.x,i.y+o[t],i.z)):(n.up.set(0,a[t],0),n.position.set(i.x,i.y,i.z),n.lookAt(i.x,i.y,i.z+o[t]));const l=this._cubeSize;Ef(s,r*l,t>2?l:0,l,l),u.render(e,n)}u.autoClear=l,e.background=p}_textureToCubeUV(e,t){const r=this._renderer,s=e.mapping===P||e.mapping===D;s?null===this._cubemapMaterial&&(this._cubemapMaterial=wf(e)):null===this._equirectMaterial&&(this._equirectMaterial=Cf(e));const i=s?this._cubemapMaterial:this._equirectMaterial;i.fragmentNode.value=e;const n=this._lodMeshes[0];n.material=i;const a=this._cubeSize;Ef(t,0,0,3*a,2*a),r.setRenderTarget(t),r.render(n,pf)}_applyPMREM(e){const t=this._renderer,r=t.autoClear;t.autoClear=!1;const s=this._lodMeshes.length;for(let t=1;t<s;t++)this._applyGGXFilter(e,t-1,t);t.autoClear=r}_applyGGXFilter(e,t,r){const s=this._renderer,i=this._pingPongRenderTarget,n=this._ggxMaterial,a=this._lodMeshes[r];a.material=n;const o=Tf.get(n),u=r/(this._lodMeshes.length-1),l=t/(this._lodMeshes.length-1),d=Math.sqrt(u*u-l*l)*(0+1.25*u),{_lodMax:c}=this,h=this._sizeLods[r],p=3*h*(r>c-4?r-c+4:0),g=4*(this._cubeSize-h);e.texture.frame=(e.texture.frame||0)+1,o.envMap.value=e.texture,o.roughness.value=d,o.mipInt.value=c-t,Ef(i,p,g,3*h,2*h),s.setRenderTarget(i),s.render(a,pf),i.texture.frame=(i.texture.frame||0)+1,o.envMap.value=i.texture,o.roughness.value=0,o.mipInt.value=c-r,Ef(e,p,g,3*h,2*h),s.setRenderTarget(e),s.render(a,pf)}_blur(e,t,r,s,i){const n=this._pingPongRenderTarget;this._halfBlur(e,n,t,r,s,"latitudinal",i),this._halfBlur(n,e,r,r,s,"longitudinal",i)}_halfBlur(e,t,r,s,i,n,a){const u=this._renderer,l=this._blurMaterial;"latitudinal"!==n&&"longitudinal"!==n&&o("blur direction must be either latitudinal or longitudinal!");const c=this._lodMeshes[s];c.material=l;const h=Tf.get(l),p=this._sizeLods[r]-1,g=isFinite(i)?Math.PI/(2*p):2*Math.PI/39,m=i/g,f=isFinite(i)?1+Math.floor(3*m):hf;f>hf&&d(`sigmaRadians, ${i}, is too large and will clip, as it requested ${f} samples when the maximum is set to 20`);const y=[];let b=0;for(let e=0;e<hf;++e){const t=e/m,r=Math.exp(-t*t/2);y.push(r),0===e?b+=r:e<f&&(b+=2*r)}for(let e=0;e<y.length;e++)y[e]=y[e]/b;e.texture.frame=(e.texture.frame||0)+1,h.envMap.value=e.texture,h.samples.value=f,h.weights.array=y,h.latitudinal.value="latitudinal"===n?1:0,a&&(h.poleAxis.value=a);const{_lodMax:x}=this;h.dTheta.value=g,h.mipInt.value=x-r;const T=this._sizeLods[s];Ef(t,3*T*(s>x-4?s-x+4:0),4*(this._cubeSize-T),3*T,2*T),u.setRenderTarget(t),u.render(c,pf)}}function Rf(e,t){const r=new se(e,t,{magFilter:oe,minFilter:oe,generateMipmaps:!1,type:be,format:Se,colorSpace:Ne});return r.texture.mapping=Re,r.texture.name="PMREM.cubeUv",r.texture.isPMREMTexture=!0,r.scissorTest=!0,r}function Ef(e,t,r,s,i){e.viewport.set(t,r,s,i),e.scissor.set(t,r,s,i)}function Af(e){const t=new mg;return t.depthTest=!1,t.depthWrite=!1,t.blending=ee,t.name=`PMREM_${e}`,t}function wf(e){const t=Af("cubemap");return t.fragmentNode=Mc(e,Nf),t}function Cf(e){const t=Af("equirect");return t.fragmentNode=Dl(e,Sg(Nf),0),t}const Mf=new WeakMap;function Bf(e,t,r){const s=function(e){let t=Mf.get(e);void 0===t&&(t=new WeakMap,Mf.set(e,t));return t}(t);let i=s.get(e);if((void 0!==i?i.pmremVersion:-1)!==e.pmremVersion){const t=e.image;if(e.isCubeTexture){if(!function(e){if(null==e)return!1;let t=0;const r=6;for(let s=0;s<r;s++)void 0!==e[s]&&t++;return t===r}(t))return null;i=r.fromCubemap(e,i)}else{if(!function(e){return null!=e&&e.height>0}(t))return null;i=r.fromEquirectangular(e,i)}i.pmremVersion=e.pmremVersion,s.set(e,i)}return i.texture}class Ff extends hi{static get type(){return"PMREMNode"}constructor(e,t=null,r=null){super("vec3"),this._value=e,this._pmrem=null,this.uvNode=t,this.levelNode=r,this._generator=null;const s=new N;s.isRenderTargetTexture=!0,this._texture=Dl(s),this._width=va(0),this._height=va(0),this._maxMip=va(0),this.updateBeforeType=ei.RENDER}set value(e){this._value=e,this._pmrem=null}get value(){return this._value}updateFromTexture(e){const t=function(e){const t=Math.log2(e)-2,r=1/e;return{texelWidth:1/(3*Math.max(Math.pow(2,t),112)),texelHeight:r,maxMip:t}}(e.image.height);this._texture.value=e,this._width.value=t.texelWidth,this._height.value=t.texelHeight,this._maxMip.value=t.maxMip}updateBefore(e){let t=this._pmrem;const r=t?t.pmremVersion:-1,s=this._value;r!==s.pmremVersion&&(t=!0===s.isPMREMTexture?s:Bf(s,e.renderer,this._generator),null!==t&&(this._pmrem=t,this.updateFromTexture(t)))}setup(e){null===this._generator&&(this._generator=new Sf(e.renderer)),this.updateBefore(e);let t=this.uvNode;null===t&&e.context.getUV&&(t=e.context.getUV(this,e)),t=vc.mul(Nn(t.x,t.y.negate(),t.z));let r=this.levelNode;return null===r&&e.context.getTextureLevel&&(r=e.context.getTextureLevel(this)),rf(this._texture,t,r,this._width,this._height,this._maxMip)}dispose(){super.dispose(),null!==this._generator&&this._generator.dispose()}}const Lf=sn(Ff).setParameterLength(1,3),Pf=new WeakMap;class Df extends Fp{static get type(){return"EnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){const{material:t}=e;let r=this.envNode;if(r.isTextureNode||r.isMaterialReferenceNode){const s=r.isTextureNode?r.value:t[r.property],i=this._getPMREMNodeCache(e.renderer);let n=i.get(s);void 0===n&&(n=Lf(s),i.set(s,n)),r=n}const s=!0===t.useAnisotropy||t.anisotropy>0?uh:dc,i=r.context(Uf(zn,s)).mul(_c),n=r.context(If(cc)).mul(Math.PI).mul(_c),a=ol(i),o=ol(n);e.context.radiance.addAssign(a),e.context.iblIrradiance.addAssign(o);const u=e.context.lightingModel.clearcoatRadiance;if(u){const e=r.context(Uf(Hn,hc)).mul(_c),t=ol(e);u.addAssign(t)}}_getPMREMNodeCache(e){let t=Pf.get(e);return void 0===t&&(t=new WeakMap,Pf.set(e,t)),t}}const Uf=(e,t)=>{let r=null;return{getUV:()=>(null===r&&(r=ec.negate().reflect(t),r=ru(e).mix(r,t).normalize(),r=r.transformDirection(_d)),r),getTextureLevel:()=>e}},If=e=>({getUV:()=>e,getTextureLevel:()=>mn(1)}),Of=new Ae;class Vf extends mg{static get type(){return"MeshStandardNodeMaterial"}constructor(e){super(),this.isMeshStandardNodeMaterial=!0,this.lights=!0,this.emissiveNode=null,this.metalnessNode=null,this.roughnessNode=null,this.setDefaultValues(Of),this.setValues(e)}setupEnvironment(e){let t=super.setupEnvironment(e);return null===t&&e.environmentNode&&(t=e.environmentNode),t?new Df(t):null}setupLightingModel(){return new Vm}setupSpecular(){const e=au(Nn(.04),Vn.rgb,$n);ta.assign(Nn(.04)),ra.assign(e),sa.assign(1)}setupVariants(){const e=this.metalnessNode?mn(this.metalnessNode):Mh;$n.assign(e);let t=this.roughnessNode?mn(this.roughnessNode):Ch;t=jg({roughness:t}),zn.assign(t),this.setupSpecular(),kn.assign(Vn.rgb.mul(e.oneMinus()))}copy(e){return this.emissiveNode=e.emissiveNode,this.metalnessNode=e.metalnessNode,this.roughnessNode=e.roughnessNode,super.copy(e)}}const kf=new we;class Gf extends Vf{static get type(){return"MeshPhysicalNodeMaterial"}constructor(e){super(),this.isMeshPhysicalNodeMaterial=!0,this.clearcoatNode=null,this.clearcoatRoughnessNode=null,this.clearcoatNormalNode=null,this.sheenNode=null,this.sheenRoughnessNode=null,this.iridescenceNode=null,this.iridescenceIORNode=null,this.iridescenceThicknessNode=null,this.specularIntensityNode=null,this.specularColorNode=null,this.iorNode=null,this.transmissionNode=null,this.thicknessNode=null,this.attenuationDistanceNode=null,this.attenuationColorNode=null,this.dispersionNode=null,this.anisotropyNode=null,this.setDefaultValues(kf),this.setValues(e)}get useClearcoat(){return this.clearcoat>0||null!==this.clearcoatNode}get useIridescence(){return this.iridescence>0||null!==this.iridescenceNode}get useSheen(){return this.sheen>0||null!==this.sheenNode}get useAnisotropy(){return this.anisotropy>0||null!==this.anisotropyNode}get useTransmission(){return this.transmission>0||null!==this.transmissionNode}get useDispersion(){return this.dispersion>0||null!==this.dispersionNode}setupSpecular(){const e=this.iorNode?mn(this.iorNode):Wh;la.assign(e),ta.assign(Ho(eu(la.sub(1).div(la.add(1))).mul(Eh),Nn(1)).mul(Rh)),ra.assign(au(ta,Vn.rgb,$n)),sa.assign(au(Rh,1,$n))}setupLightingModel(){return new Vm(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion)}setupVariants(e){if(super.setupVariants(e),this.useClearcoat){const e=this.clearcoatNode?mn(this.clearcoatNode):Fh,t=this.clearcoatRoughnessNode?mn(this.clearcoatRoughnessNode):Lh;Wn.assign(e),Hn.assign(jg({roughness:t}))}if(this.useSheen){const e=this.sheenNode?Nn(this.sheenNode):Uh,t=this.sheenRoughnessNode?mn(this.sheenRoughnessNode):Ih;qn.assign(e),jn.assign(t)}if(this.useIridescence){const e=this.iridescenceNode?mn(this.iridescenceNode):Vh,t=this.iridescenceIORNode?mn(this.iridescenceIORNode):kh,r=this.iridescenceThicknessNode?mn(this.iridescenceThicknessNode):Gh;Xn.assign(e),Kn.assign(t),Yn.assign(r)}if(this.useAnisotropy){const e=(this.anisotropyNode?xn(this.anisotropyNode):Oh).toVar();Zn.assign(e.length()),hn(Zn.equal(0),()=>{e.assign(xn(1,0))}).Else(()=>{e.divAssign(xn(Zn)),Zn.assign(Zn.saturate())}),Qn.assign(Zn.pow2().mix(zn.pow2(),1)),Jn.assign(ah[0].mul(e.x).add(ah[1].mul(e.y))),ea.assign(ah[1].mul(e.x).sub(ah[0].mul(e.y)))}if(this.useTransmission){const e=this.transmissionNode?mn(this.transmissionNode):zh,t=this.thicknessNode?mn(this.thicknessNode):$h,r=this.attenuationDistanceNode?mn(this.attenuationDistanceNode):Hh,s=this.attenuationColorNode?Nn(this.attenuationColorNode):qh;if(da.assign(e),ca.assign(t),ha.assign(r),pa.assign(s),this.useDispersion){const e=this.dispersionNode?mn(this.dispersionNode):Jh;ga.assign(e)}}}setupClearcoatNormal(){return this.clearcoatNormalNode?Nn(this.clearcoatNormalNode):Ph}setup(e){e.context.setupClearcoatNormal=()=>Lu(this.setupClearcoatNormal(e),"NORMAL","vec3"),super.setup(e)}copy(e){return this.clearcoatNode=e.clearcoatNode,this.clearcoatRoughnessNode=e.clearcoatRoughnessNode,this.clearcoatNormalNode=e.clearcoatNormalNode,this.sheenNode=e.sheenNode,this.sheenRoughnessNode=e.sheenRoughnessNode,this.iridescenceNode=e.iridescenceNode,this.iridescenceIORNode=e.iridescenceIORNode,this.iridescenceThicknessNode=e.iridescenceThicknessNode,this.specularIntensityNode=e.specularIntensityNode,this.specularColorNode=e.specularColorNode,this.iorNode=e.iorNode,this.transmissionNode=e.transmissionNode,this.thicknessNode=e.thicknessNode,this.attenuationDistanceNode=e.attenuationDistanceNode,this.attenuationColorNode=e.attenuationColorNode,this.dispersionNode=e.dispersionNode,this.anisotropyNode=e.anisotropyNode,super.copy(e)}}class zf extends Vm{constructor(e=!1,t=!1,r=!1,s=!1,i=!1,n=!1,a=!1){super(e,t,r,s,i,n),this.useSSS=a}direct({lightDirection:e,lightColor:t,reflectedLight:r},s){if(!0===this.useSSS){const i=s.material,{thicknessColorNode:n,thicknessDistortionNode:a,thicknessAmbientNode:o,thicknessAttenuationNode:u,thicknessPowerNode:l,thicknessScaleNode:d}=i,c=e.add(dc.mul(a)).normalize(),h=mn(ec.dot(c.negate()).saturate().pow(l).mul(d)),p=Nn(h.add(o).mul(n));r.directDiffuse.addAssign(p.mul(u.mul(t)))}super.direct({lightDirection:e,lightColor:t,reflectedLight:r},s)}}class $f extends Gf{static get type(){return"MeshSSSNodeMaterial"}constructor(e){super(e),this.thicknessColorNode=null,this.thicknessDistortionNode=mn(.1),this.thicknessAmbientNode=mn(0),this.thicknessAttenuationNode=mn(.1),this.thicknessPowerNode=mn(2),this.thicknessScaleNode=mn(10)}get useSSS(){return null!==this.thicknessColorNode}setupLightingModel(){return new zf(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion,this.useSSS)}copy(e){return this.thicknessColorNode=e.thicknessColorNode,this.thicknessDistortionNode=e.thicknessDistortionNode,this.thicknessAmbientNode=e.thicknessAmbientNode,this.thicknessAttenuationNode=e.thicknessAttenuationNode,this.thicknessPowerNode=e.thicknessPowerNode,this.thicknessScaleNode=e.thicknessScaleNode,super.copy(e)}}const Wf=ln(({normal:e,lightDirection:t,builder:r})=>{const s=e.dot(t),i=xn(s.mul(.5).add(.5),0);if(r.material.gradientMap){const e=Uc("gradientMap","texture").context({getUV:()=>i});return Nn(e.r)}{const e=i.fwidth().mul(.5);return au(Nn(.7),Nn(1),du(mn(.7).sub(e.x),mn(.7).add(e.x),i.x))}});class Hf extends Lg{direct({lightDirection:e,lightColor:t,reflectedLight:r},s){const i=Wf({normal:nc,lightDirection:e,builder:s}).mul(t);r.directDiffuse.addAssign(i.mul(Og({diffuseColor:Vn.rgb})))}indirect(e){const{ambientOcclusion:t,irradiance:r,reflectedLight:s}=e.context;s.indirectDiffuse.addAssign(r.mul(Og({diffuseColor:Vn}))),s.indirectDiffuse.mulAssign(t)}}const qf=new Ce;class jf extends mg{static get type(){return"MeshToonNodeMaterial"}constructor(e){super(),this.isMeshToonNodeMaterial=!0,this.lights=!0,this.setDefaultValues(qf),this.setValues(e)}setupLightingModel(){return new Hf}}const Xf=ln(()=>{const e=Nn(ec.z,0,ec.x.negate()).normalize(),t=ec.cross(e);return xn(e.dot(dc),t.dot(dc)).mul(.495).add(.5)}).once(["NORMAL","VERTEX"])().toVar("matcapUV"),Kf=new Me;class Yf extends mg{static get type(){return"MeshMatcapNodeMaterial"}constructor(e){super(),this.isMeshMatcapNodeMaterial=!0,this.setDefaultValues(Kf),this.setValues(e)}setupVariants(e){const t=Xf;let r;r=e.material.matcap?Uc("matcap","texture").context({getUV:()=>t}):Nn(au(.2,.8,t.y)),Vn.rgb.mulAssign(r.rgb)}}class Qf extends hi{static get type(){return"RotateNode"}constructor(e,t){super(),this.positionNode=e,this.rotationNode=t}getNodeType(e){return this.positionNode.getNodeType(e)}setup(e){const{rotationNode:t,positionNode:r}=this;if("vec2"===this.getNodeType(e)){const e=t.cos(),s=t.sin();return Bn(e,s,s.negate(),e).mul(r)}{const e=t,s=Ln(An(1,0,0,0),An(0,Eo(e.x),Ro(e.x).negate(),0),An(0,Ro(e.x),Eo(e.x),0),An(0,0,0,1)),i=Ln(An(Eo(e.y),0,Ro(e.y),0),An(0,1,0,0),An(Ro(e.y).negate(),0,Eo(e.y),0),An(0,0,0,1)),n=Ln(An(Eo(e.z),Ro(e.z).negate(),0,0),An(Ro(e.z),Eo(e.z),0,0),An(0,0,1,0),An(0,0,0,1));return s.mul(i).mul(n).mul(An(r,1)).xyz}}}const Zf=sn(Qf).setParameterLength(2),Jf=new Be;class ey extends mg{static get type(){return"SpriteNodeMaterial"}constructor(e){super(),this.isSpriteNodeMaterial=!0,this._useSizeAttenuation=!0,this.positionNode=null,this.rotationNode=null,this.scaleNode=null,this.transparent=!0,this.setDefaultValues(Jf),this.setValues(e)}setupPositionView(e){const{object:t,camera:r}=e,{positionNode:s,rotationNode:i,scaleNode:n,sizeAttenuation:a}=this,o=$d.mul(Nn(s||0));let u=xn(Ud[0].xyz.length(),Ud[1].xyz.length());null!==n&&(u=u.mul(xn(n))),r.isPerspectiveCamera&&!1===a&&(u=u.mul(o.z.negate()));let l=Xd.xy;if(t.center&&!0===t.center.isVector2){const e=((e,t,r)=>new Wu(e,t,r))("center","vec2",t);l=l.sub(e.sub(.5))}l=l.mul(u);const d=mn(i||Dh),c=Zf(l,d);return An(o.xy.add(c),o.zw)}copy(e){return this.positionNode=e.positionNode,this.rotationNode=e.rotationNode,this.scaleNode=e.scaleNode,super.copy(e)}get sizeAttenuation(){return this._useSizeAttenuation}set sizeAttenuation(e){this._useSizeAttenuation!==e&&(this._useSizeAttenuation=e,this.needsUpdate=!0)}}const ty=new Fe,ry=new t;class sy extends ey{static get type(){return"PointsNodeMaterial"}constructor(e){super(),this.sizeNode=null,this.isPointsNodeMaterial=!0,this.setDefaultValues(ty),this.setValues(e)}setupPositionView(){const{positionNode:e}=this;return $d.mul(Nn(e||Kd)).xyz}setupVertexSprite(e){const{material:t,camera:r}=e,{rotationNode:s,scaleNode:i,sizeNode:n,sizeAttenuation:a}=this;let o=super.setupVertex(e);if(!0!==t.isNodeMaterial)return o;let u=null!==n?xn(n):Zh;u=u.mul(jl),r.isPerspectiveCamera&&!0===a&&(u=u.mul(iy.div(Jd.z.negate()))),i&&i.isNode&&(u=u.mul(xn(i)));let l=Xd.xy;if(s&&s.isNode){const e=mn(s);l=Zf(l,e)}return l=l.mul(u),l=l.div(Zl.div(2)),l=l.mul(o.w),o=o.add(An(l,0,0)),o}setupVertex(e){return e.object.isPoints?super.setupVertex(e):this.setupVertexSprite(e)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}const iy=va(1).onFrameUpdate(function({renderer:e}){const t=e.getSize(ry);this.value=.5*t.y});class ny extends Lg{constructor(){super(),this.shadowNode=mn(1).toVar("shadowMask")}direct({lightNode:e}){null!==e.shadowNode&&this.shadowNode.mulAssign(e.shadowNode)}finish({context:e}){Vn.a.mulAssign(this.shadowNode.oneMinus()),e.outgoingLight.rgb.assign(Vn.rgb)}}const ay=new Le;class oy extends mg{static get type(){return"ShadowNodeMaterial"}constructor(e){super(),this.isShadowNodeMaterial=!0,this.lights=!0,this.transparent=!0,this.setDefaultValues(ay),this.setValues(e)}setupLightingModel(){return new ny}}const uy=In("vec3"),ly=In("vec3"),dy=In("vec3");class cy extends Lg{constructor(){super()}start(e){const{material:t}=e,r=In("vec3"),s=In("vec3");hn(Sd.sub(Qd).length().greaterThan(kd.mul(2)),()=>{r.assign(Sd),s.assign(Qd)}).Else(()=>{r.assign(Qd),s.assign(Sd)});const i=s.sub(r),n=va("int").onRenderUpdate(({material:e})=>e.steps),a=i.length().div(n).toVar(),o=i.normalize().toVar(),u=mn(0).toVar(),l=Nn(1).toVar();t.offsetNode&&u.addAssign(t.offsetNode.mul(a)),Rp(n,()=>{const s=r.add(o.mul(u)),i=_d.mul(An(s,1)).xyz;let n;null!==t.depthNode&&(ly.assign(eg(Xp(i.z,yd,bd))),e.context.sceneDepthNode=eg(t.depthNode).toVar()),e.context.positionWorld=s,e.context.shadowPositionWorld=s,e.context.positionView=i,uy.assign(0),t.scatteringNode&&(n=t.scatteringNode({positionRay:s})),super.start(e),n&&uy.mulAssign(n);const d=uy.mul(.01).negate().mul(a).exp();l.mulAssign(d),u.addAssign(a)}),dy.addAssign(l.saturate().oneMinus())}scatteringLight(e,t){const r=t.context.sceneDepthNode;r?hn(r.greaterThanEqual(ly),()=>{uy.addAssign(e)}):uy.addAssign(e)}direct({lightNode:e,lightColor:t},r){if(void 0===e.light.distance)return;const s=t.xyz.toVar();s.mulAssign(e.shadowNode),this.scatteringLight(s,r)}directRectArea({lightColor:e,lightPosition:t,halfWidth:r,halfHeight:s},i){const n=t.add(r).sub(s),a=t.sub(r).sub(s),o=t.sub(r).add(s),u=t.add(r).add(s),l=i.context.positionView,d=e.xyz.mul(pm({P:l,p0:n,p1:a,p2:o,p3:u})).pow(1.5);this.scatteringLight(d,i)}finish(e){e.context.outgoingLight.assign(dy)}}class hy extends mg{static get type(){return"VolumeNodeMaterial"}constructor(e){super(),this.isVolumeNodeMaterial=!0,this.steps=25,this.offsetNode=null,this.scatteringNode=null,this.lights=!0,this.transparent=!0,this.side=M,this.depthTest=!1,this.depthWrite=!1,this.setValues(e)}setupLightingModel(){return new cy}}class py{constructor(e,t,r){this.renderer=e,this.nodes=t,this.info=r,this._context="undefined"!=typeof self?self:null,this._animationLoop=null,this._requestId=null}start(){const e=(t,r)=>{this._requestId=this._context.requestAnimationFrame(e),!0===this.info.autoReset&&this.info.reset(),this.nodes.nodeFrame.update(),this.info.frame=this.nodes.nodeFrame.frameId,this.renderer._inspector.begin(),null!==this._animationLoop&&this._animationLoop(t,r),this.renderer._inspector.finish()};e()}stop(){this._context.cancelAnimationFrame(this._requestId),this._requestId=null}getAnimationLoop(){return this._animationLoop}setAnimationLoop(e){this._animationLoop=e}getContext(){return this._context}setContext(e){this._context=e}dispose(){this.stop()}}class gy{constructor(){this.weakMaps={}}_getWeakMap(e){const t=e.length;let r=this.weakMaps[t];return void 0===r&&(r=new WeakMap,this.weakMaps[t]=r),r}get(e){let t=this._getWeakMap(e);for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return;return t.get(e[e.length-1])}set(e,t){let r=this._getWeakMap(e);for(let t=0;t<e.length-1;t++){const s=e[t];!1===r.has(s)&&r.set(s,new WeakMap),r=r.get(s)}return r.set(e[e.length-1],t),this}delete(e){let t=this._getWeakMap(e);for(let r=0;r<e.length-1;r++)if(t=t.get(e[r]),void 0===t)return!1;return t.delete(e[e.length-1])}}let my=0;class fy{constructor(e,t,r,s,i,n,a,o,u,l){this.id=my++,this._nodes=e,this._geometries=t,this.renderer=r,this.object=s,this.material=i,this.scene=n,this.camera=a,this.lightsNode=o,this.context=u,this.geometry=s.geometry,this.version=i.version,this.drawRange=null,this.attributes=null,this.attributesId=null,this.pipeline=null,this.group=null,this.vertexBuffers=null,this.drawParams=null,this.bundle=null,this.clippingContext=l,this.clippingContextCacheKey=null!==l?l.cacheKey:"",this.initialNodesCacheKey=this.getDynamicCacheKey(),this.initialCacheKey=this.getCacheKey(),this._nodeBuilderState=null,this._bindings=null,this._monitor=null,this.onDispose=null,this.isRenderObject=!0,this.onMaterialDispose=()=>{this.dispose()},this.onGeometryDispose=()=>{this.attributes=null,this.attributesId=null},this.material.addEventListener("dispose",this.onMaterialDispose),this.geometry.addEventListener("dispose",this.onGeometryDispose)}updateClipping(e){this.clippingContext=e}get clippingNeedsUpdate(){return null!==this.clippingContext&&this.clippingContext.cacheKey!==this.clippingContextCacheKey&&(this.clippingContextCacheKey=this.clippingContext.cacheKey,!0)}get hardwareClippingPlanes(){return!0===this.material.hardwareClipping?this.clippingContext.unionClippingCount:0}getNodeBuilderState(){return this._nodeBuilderState||(this._nodeBuilderState=this._nodes.getForRender(this))}getMonitor(){return this._monitor||(this._monitor=this.getNodeBuilderState().observer)}getBindings(){return this._bindings||(this._bindings=this.getNodeBuilderState().createBindings())}getBindingGroup(e){for(const t of this.getBindings())if(t.name===e)return t}getIndex(){return this._geometries.getIndex(this)}getIndirect(){return this._geometries.getIndirect(this)}getIndirectOffset(){return this._geometries.getIndirectOffset(this)}getChainArray(){return[this.object,this.material,this.context,this.lightsNode]}setGeometry(e){this.geometry=e,this.attributes=null,this.attributesId=null}getAttributes(){if(null!==this.attributes)return this.attributes;const e=this.getNodeBuilderState().nodeAttributes,t=this.geometry,r=[],s=new Set,i={};for(const n of e){let e;if(n.node&&n.node.attribute?e=n.node.attribute:(e=t.getAttribute(n.name),i[n.name]=e.id),void 0===e)continue;r.push(e);const a=e.isInterleavedBufferAttribute?e.data:e;s.add(a)}return this.attributes=r,this.attributesId=i,this.vertexBuffers=Array.from(s.values()),r}getVertexBuffers(){return null===this.vertexBuffers&&this.getAttributes(),this.vertexBuffers}getDrawParameters(){const{object:e,material:t,geometry:r,group:s,drawRange:i}=this,n=this.drawParams||(this.drawParams={vertexCount:0,firstVertex:0,instanceCount:0,firstInstance:0}),a=this.getIndex(),o=null!==a;let u=1;if(!0===r.isInstancedBufferGeometry?u=r.instanceCount:void 0!==e.count&&(u=Math.max(0,e.count)),0===u)return null;if(n.instanceCount=u,!0===e.isBatchedMesh)return n;let l=1;!0!==t.wireframe||e.isPoints||e.isLineSegments||e.isLine||e.isLineLoop||(l=2);let d=i.start*l,c=(i.start+i.count)*l;null!==s&&(d=Math.max(d,s.start*l),c=Math.min(c,(s.start+s.count)*l));const h=r.attributes.position;let p=1/0;o?p=a.count:null!=h&&(p=h.count),d=Math.max(d,0),c=Math.min(c,p);const g=c-d;return g<0||g===1/0?null:(n.vertexCount=g,n.firstVertex=d,n)}getGeometryCacheKey(){const{geometry:e}=this;let t="";for(const r of Object.keys(e.attributes).sort()){const s=e.attributes[r];t+=r+",",s.data&&(t+=s.data.stride+","),s.offset&&(t+=s.offset+","),s.itemSize&&(t+=s.itemSize+","),s.normalized&&(t+="n,")}for(const r of Object.keys(e.morphAttributes).sort()){const s=e.morphAttributes[r];t+="morph-"+r+",";for(let e=0,r=s.length;e<r;e++){t+=s[e].id+","}}return e.index&&(t+="index,"),t}getMaterialCacheKey(){const{object:e,material:t,renderer:r}=this;let s=t.customProgramCacheKey();for(const e of function(e){const t=Object.keys(e);let r=Object.getPrototypeOf(e);for(;r;){const e=Object.getOwnPropertyDescriptors(r);for(const r in e)if(void 0!==e[r]){const s=e[r];s&&"function"==typeof s.get&&t.push(r)}r=Object.getPrototypeOf(r)}return t}(t)){if(/^(is[A-Z]|_)|^(visible|version|uuid|name|opacity|userData)$/.test(e))continue;const i=t[e];let n;if(null!==i){const e=typeof i;"number"===e?n=0!==i?"1":"0":"object"===e?(n="{",i.isTexture&&(n+=i.mapping,!0===r.backend.isWebGPUBackend&&(n+=i.magFilter,n+=i.minFilter,n+=i.wrapS,n+=i.wrapT,n+=i.wrapR)),n+="}"):n=String(i)}else n=String(i);s+=n+","}return s+=this.clippingContextCacheKey+",",e.geometry&&(s+=this.getGeometryCacheKey()),e.skeleton&&(s+=e.skeleton.bones.length+","),e.isBatchedMesh&&(s+=e._matricesTexture.uuid+",",null!==e._colorsTexture&&(s+=e._colorsTexture.uuid+",")),(e.isInstancedMesh||e.count>1||Array.isArray(e.morphTargetInfluences))&&(s+=e.uuid+","),s+=this.context.id+",",s+=e.receiveShadow+",",Is(s)}get needsGeometryUpdate(){if(this.geometry.id!==this.object.geometry.id)return!0;if(null!==this.attributes){const e=this.attributesId;for(const t in e){const r=this.geometry.getAttribute(t);if(void 0===r||e[t]!==r.id)return!0}}return!1}get needsUpdate(){return this.initialNodesCacheKey!==this.getDynamicCacheKey()||this.clippingNeedsUpdate}getDynamicCacheKey(){let e=0;return!0!==this.material.isShadowPassMaterial&&(e=this._nodes.getCacheKey(this.scene,this.lightsNode)),this.camera.isArrayCamera&&(e=Vs(e,this.camera.cameras.length)),this.object.receiveShadow&&(e=Vs(e,1)),e=Vs(e,this.renderer.contextNode.id,this.renderer.contextNode.version),e}getCacheKey(){return this.getMaterialCacheKey()+this.getDynamicCacheKey()}dispose(){this.material.removeEventListener("dispose",this.onMaterialDispose),this.geometry.removeEventListener("dispose",this.onGeometryDispose),this.onDispose()}}const yy=[];class by{constructor(e,t,r,s,i,n){this.renderer=e,this.nodes=t,this.geometries=r,this.pipelines=s,this.bindings=i,this.info=n,this.chainMaps={}}get(e,t,r,s,i,n,a,o){const u=this.getChainMap(o);yy[0]=e,yy[1]=t,yy[2]=n,yy[3]=i;let l=u.get(yy);return void 0===l?(l=this.createRenderObject(this.nodes,this.geometries,this.renderer,e,t,r,s,i,n,a,o),u.set(yy,l)):(l.camera=s,l.updateClipping(a),l.needsGeometryUpdate&&l.setGeometry(e.geometry),(l.version!==t.version||l.needsUpdate)&&(l.initialCacheKey!==l.getCacheKey()?(l.dispose(),l=this.get(e,t,r,s,i,n,a,o)):l.version=t.version)),yy[0]=null,yy[1]=null,yy[2]=null,yy[3]=null,l}getChainMap(e="default"){return this.chainMaps[e]||(this.chainMaps[e]=new gy)}dispose(){this.chainMaps={}}createRenderObject(e,t,r,s,i,n,a,o,u,l,d){const c=this.getChainMap(d),h=new fy(e,t,r,s,i,n,a,o,u,l);return h.onDispose=()=>{this.pipelines.delete(h),this.bindings.deleteForRender(h),this.nodes.delete(h),c.delete(h.getChainArray())},h}}class xy{constructor(){this.data=new WeakMap}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}delete(e){let t=null;return this.data.has(e)&&(t=this.data.get(e),this.data.delete(e)),t}has(e){return this.data.has(e)}dispose(){this.data=new WeakMap}}const Ty=1,_y=2,vy=3,Ny=4,Sy=16;class Ry extends xy{constructor(e){super(),this.backend=e}delete(e){const t=super.delete(e);return null!==t&&this.backend.destroyAttribute(e),t}update(e,t){const r=this.get(e);if(void 0===r.version)t===Ty?this.backend.createAttribute(e):t===_y?this.backend.createIndexAttribute(e):t===vy?this.backend.createStorageAttribute(e):t===Ny&&this.backend.createIndirectStorageAttribute(e),r.version=this._getBufferAttribute(e).version;else{const t=this._getBufferAttribute(e);(r.version<t.version||t.usage===x)&&(this.backend.updateAttribute(e),r.version=t.version)}}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}function Ey(e){return null!==e.index?e.index.version:e.attributes.position.version}function Ay(e){return null!==e.index?e.index.id:e.attributes.position.id}function wy(e){const t=[],r=e.index,s=e.attributes.position;if(null!==r){const e=r.array;for(let r=0,s=e.length;r<s;r+=3){const s=e[r+0],i=e[r+1],n=e[r+2];t.push(s,i,i,n,n,s)}}else{for(let e=0,r=s.array.length/3-1;e<r;e+=3){const r=e+0,s=e+1,i=e+2;t.push(r,s,s,i,i,r)}}const i=new(s.count>=65535?Pe:De)(t,1);return i.version=Ey(e),i.__id=Ay(e),i}class Cy extends xy{constructor(e,t){super(),this.attributes=e,this.info=t,this.wireframes=new WeakMap,this.attributeCall=new WeakMap,this._geometryDisposeListeners=new Map}has(e){const t=e.geometry;return super.has(t)&&!0===this.get(t).initialized}updateForRender(e){!1===this.has(e)&&this.initGeometry(e),this.updateAttributes(e)}initGeometry(e){const t=e.geometry;this.get(t).initialized=!0,this.info.memory.geometries++;const r=()=>{this.info.memory.geometries--;const s=t.index,i=e.getAttributes();null!==s&&this.attributes.delete(s);for(const e of i)this.attributes.delete(e);const n=this.wireframes.get(t);void 0!==n&&this.attributes.delete(n),t.removeEventListener("dispose",r),this._geometryDisposeListeners.delete(t)};t.addEventListener("dispose",r),this._geometryDisposeListeners.set(t,r)}updateAttributes(e){const t=e.getAttributes();for(const e of t)e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute?this.updateAttribute(e,vy):this.updateAttribute(e,Ty);const r=this.getIndex(e);null!==r&&this.updateAttribute(r,_y);const s=e.geometry.indirect;null!==s&&this.updateAttribute(s,Ny)}updateAttribute(e,t){const r=this.info.render.calls;e.isInterleavedBufferAttribute?void 0===this.attributeCall.get(e)?(this.attributes.update(e,t),this.attributeCall.set(e,r)):this.attributeCall.get(e.data)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e.data,r),this.attributeCall.set(e,r)):this.attributeCall.get(e)!==r&&(this.attributes.update(e,t),this.attributeCall.set(e,r))}getIndirect(e){return e.geometry.indirect}getIndirectOffset(e){return e.geometry.indirectOffset}getIndex(e){const{geometry:t,material:r}=e;let s=t.index;if(!0===r.wireframe){const e=this.wireframes;let r=e.get(t);void 0===r?(r=wy(t),e.set(t,r)):r.version===Ey(t)&&r.__id===Ay(t)||(this.attributes.delete(r),r=wy(t),e.set(t,r)),s=r}return s}dispose(){for(const[e,t]of this._geometryDisposeListeners.entries())e.removeEventListener("dispose",t);this._geometryDisposeListeners.clear()}}class My{constructor(){this.autoReset=!0,this.frame=0,this.calls=0,this.render={calls:0,frameCalls:0,drawCalls:0,triangles:0,points:0,lines:0,timestamp:0},this.compute={calls:0,frameCalls:0,timestamp:0},this.memory={geometries:0,textures:0}}update(e,t,r){this.render.drawCalls++,e.isMesh||e.isSprite?this.render.triangles+=r*(t/3):e.isPoints?this.render.points+=r*t:e.isLineSegments?this.render.lines+=r*(t/2):e.isLine?this.render.lines+=r*(t-1):o("WebGPUInfo: Unknown object type.")}reset(){this.render.drawCalls=0,this.render.frameCalls=0,this.compute.frameCalls=0,this.render.triangles=0,this.render.points=0,this.render.lines=0}dispose(){this.reset(),this.calls=0,this.render.calls=0,this.compute.calls=0,this.render.timestamp=0,this.compute.timestamp=0,this.memory.geometries=0,this.memory.textures=0}}class By{constructor(e){this.cacheKey=e,this.usedTimes=0}}class Fy extends By{constructor(e,t,r){super(e),this.vertexProgram=t,this.fragmentProgram=r}}class Ly extends By{constructor(e,t){super(e),this.computeProgram=t,this.isComputePipeline=!0}}let Py=0;class Dy{constructor(e,t,r,s=null,i=null){this.id=Py++,this.code=e,this.stage=t,this.name=r,this.transforms=s,this.attributes=i,this.usedTimes=0}}class Uy extends xy{constructor(e,t){super(),this.backend=e,this.nodes=t,this.bindings=null,this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}getForCompute(e,t){const{backend:r}=this,s=this.get(e);if(this._needsComputeUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.computeProgram.usedTimes--);const n=this.nodes.getForCompute(e);let a=this.programs.compute.get(n.computeShader);void 0===a&&(i&&0===i.computeProgram.usedTimes&&this._releaseProgram(i.computeProgram),a=new Dy(n.computeShader,"compute",e.name,n.transforms,n.nodeAttributes),this.programs.compute.set(n.computeShader,a),r.createProgram(a));const o=this._getComputeCacheKey(e,a);let u=this.caches.get(o);void 0===u&&(i&&0===i.usedTimes&&this._releasePipeline(i),u=this._getComputePipeline(e,a,o,t)),u.usedTimes++,a.usedTimes++,s.version=e.version,s.pipeline=u}return s.pipeline}getForRender(e,t=null){const{backend:r}=this,s=this.get(e);if(this._needsRenderUpdate(e)){const i=s.pipeline;i&&(i.usedTimes--,i.vertexProgram.usedTimes--,i.fragmentProgram.usedTimes--);const n=e.getNodeBuilderState(),a=e.material?e.material.name:"";let o=this.programs.vertex.get(n.vertexShader);void 0===o&&(i&&0===i.vertexProgram.usedTimes&&this._releaseProgram(i.vertexProgram),o=new Dy(n.vertexShader,"vertex",a),this.programs.vertex.set(n.vertexShader,o),r.createProgram(o));let u=this.programs.fragment.get(n.fragmentShader);void 0===u&&(i&&0===i.fragmentProgram.usedTimes&&this._releaseProgram(i.fragmentProgram),u=new Dy(n.fragmentShader,"fragment",a),this.programs.fragment.set(n.fragmentShader,u),r.createProgram(u));const l=this._getRenderCacheKey(e,o,u);let d=this.caches.get(l);void 0===d?(i&&0===i.usedTimes&&this._releasePipeline(i),d=this._getRenderPipeline(e,o,u,l,t)):e.pipeline=d,d.usedTimes++,o.usedTimes++,u.usedTimes++,s.pipeline=d}return s.pipeline}delete(e){const t=this.get(e).pipeline;return t&&(t.usedTimes--,0===t.usedTimes&&this._releasePipeline(t),t.isComputePipeline?(t.computeProgram.usedTimes--,0===t.computeProgram.usedTimes&&this._releaseProgram(t.computeProgram)):(t.fragmentProgram.usedTimes--,t.vertexProgram.usedTimes--,0===t.vertexProgram.usedTimes&&this._releaseProgram(t.vertexProgram),0===t.fragmentProgram.usedTimes&&this._releaseProgram(t.fragmentProgram))),super.delete(e)}dispose(){super.dispose(),this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}updateForRender(e){this.getForRender(e)}_getComputePipeline(e,t,r,s){r=r||this._getComputeCacheKey(e,t);let i=this.caches.get(r);return void 0===i&&(i=new Ly(r,t),this.caches.set(r,i),this.backend.createComputePipeline(i,s)),i}_getRenderPipeline(e,t,r,s,i){s=s||this._getRenderCacheKey(e,t,r);let n=this.caches.get(s);return void 0===n&&(n=new Fy(s,t,r),this.caches.set(s,n),e.pipeline=n,this.backend.createRenderPipeline(e,i)),n}_getComputeCacheKey(e,t){return e.id+","+t.id}_getRenderCacheKey(e,t,r){return t.id+","+r.id+","+this.backend.getRenderCacheKey(e)}_releasePipeline(e){this.caches.delete(e.cacheKey)}_releaseProgram(e){const t=e.code,r=e.stage;this.programs[r].delete(t)}_needsComputeUpdate(e){const t=this.get(e);return void 0===t.pipeline||t.version!==e.version}_needsRenderUpdate(e){return void 0===this.get(e).pipeline||this.backend.needsRenderUpdate(e)}}class Iy extends xy{constructor(e,t,r,s,i,n){super(),this.backend=e,this.textures=r,this.pipelines=i,this.attributes=s,this.nodes=t,this.info=n,this.pipelines.bindings=this}getForRender(e){const t=e.getBindings();for(const e of t){const r=this.get(e);void 0===r.bindGroup&&(this._init(e),this.backend.createBindings(e,t,0),r.bindGroup=e)}return t}getForCompute(e){const t=this.nodes.getForCompute(e).bindings;for(const e of t){const r=this.get(e);void 0===r.bindGroup&&(this._init(e),this.backend.createBindings(e,t,0),r.bindGroup=e)}return t}updateForCompute(e){this._updateBindings(this.getForCompute(e))}updateForRender(e){this._updateBindings(this.getForRender(e))}deleteForCompute(e){const t=this.nodes.getForCompute(e).bindings;for(const e of t)this.backend.deleteBindGroupData(e),this.delete(e)}deleteForRender(e){const t=e.getBindings();for(const e of t)this.backend.deleteBindGroupData(e),this.delete(e)}_updateBindings(e){for(const t of e)this._update(t,e)}_init(e){for(const t of e.bindings)if(t.isSampledTexture)this.textures.updateTexture(t.texture);else if(t.isSampler)this.textures.updateSampler(t.texture);else if(t.isStorageBuffer){const e=t.attribute,r=e.isIndirectStorageBufferAttribute?Ny:vy;this.attributes.update(e,r)}}_update(e,t){const{backend:r}=this;let s=!1,i=!0,n=0,a=0;for(const t of e.bindings){if(!1!==this.nodes.updateGroup(t)){if(t.isStorageBuffer){const e=t.attribute,i=e.isIndirectStorageBufferAttribute?Ny:vy,n=r.get(t);this.attributes.update(e,i),n.attribute!==e&&(n.attribute=e,s=!0)}if(t.isUniformBuffer){t.update()&&r.updateBinding(t)}else if(t.isSampledTexture){const e=t.update(),o=t.texture,u=this.textures.get(o);e&&(this.textures.updateTexture(o),t.generation!==u.generation&&(t.generation=u.generation,s=!0,i=!1));if(void 0!==r.get(o).externalTexture||u.isDefaultTexture?i=!1:(n=10*n+o.id,a+=o.version),!0===o.isStorageTexture&&!0===o.mipmapsAutoUpdate){const e=this.get(o);!0===t.store?e.needsMipmap=!0:this.textures.needsMipmaps(o)&&!0===e.needsMipmap&&(this.backend.generateMipmaps(o),e.needsMipmap=!1)}}else if(t.isSampler){if(t.update()){const e=this.textures.updateSampler(t.texture);t.samplerKey!==e&&(t.samplerKey=e,s=!0,i=!1)}}t.isBuffer&&t.updateRanges.length>0&&t.clearUpdateRanges()}}!0===s&&this.backend.updateBindings(e,t,i?n:0,a)}}function Oy(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?e.z-t.z:e.id-t.id}function Vy(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?t.z-e.z:e.id-t.id}function ky(e){return(e.transmission>0||e.transmissionNode&&e.transmissionNode.isNode)&&e.side===B&&!1===e.forceSinglePass}class Gy{constructor(e,t,r){this.renderItems=[],this.renderItemsIndex=0,this.opaque=[],this.transparentDoublePass=[],this.transparent=[],this.bundles=[],this.lightsNode=e.getNode(t,r),this.lightsArray=[],this.scene=t,this.camera=r,this.occlusionQueryCount=0}begin(){return this.renderItemsIndex=0,this.opaque.length=0,this.transparentDoublePass.length=0,this.transparent.length=0,this.bundles.length=0,this.lightsArray.length=0,this.occlusionQueryCount=0,this}getNextRenderItem(e,t,r,s,i,n,a){let o=this.renderItems[this.renderItemsIndex];return void 0===o?(o={id:e.id,object:e,geometry:t,material:r,groupOrder:s,renderOrder:e.renderOrder,z:i,group:n,clippingContext:a},this.renderItems[this.renderItemsIndex]=o):(o.id=e.id,o.object=e,o.geometry=t,o.material=r,o.groupOrder=s,o.renderOrder=e.renderOrder,o.z=i,o.group=n,o.clippingContext=a),this.renderItemsIndex++,o}push(e,t,r,s,i,n,a){const o=this.getNextRenderItem(e,t,r,s,i,n,a);!0===e.occlusionTest&&this.occlusionQueryCount++,!0===r.transparent||r.transmission>0||r.transmissionNode&&r.transmissionNode.isNode||r.backdropNode&&r.backdropNode.isNode?(ky(r)&&this.transparentDoublePass.push(o),this.transparent.push(o)):this.opaque.push(o)}unshift(e,t,r,s,i,n,a){const o=this.getNextRenderItem(e,t,r,s,i,n,a);!0===r.transparent||r.transmission>0||r.transmissionNode&&r.transmissionNode.isNode||r.backdropNode&&r.backdropNode.isNode?(ky(r)&&this.transparentDoublePass.unshift(o),this.transparent.unshift(o)):this.opaque.unshift(o)}pushBundle(e){this.bundles.push(e)}pushLight(e){this.lightsArray.push(e)}sort(e,t){this.opaque.length>1&&this.opaque.sort(e||Oy),this.transparentDoublePass.length>1&&this.transparentDoublePass.sort(t||Vy),this.transparent.length>1&&this.transparent.sort(t||Vy)}finish(){this.lightsNode.setLights(this.lightsArray);for(let e=this.renderItemsIndex,t=this.renderItems.length;e<t;e++){const t=this.renderItems[e];if(null===t.id)break;t.id=null,t.object=null,t.geometry=null,t.material=null,t.groupOrder=null,t.renderOrder=null,t.z=null,t.group=null,t.clippingContext=null}}}const zy=[];class $y{constructor(e){this.lighting=e,this.lists=new gy}get(e,t){const r=this.lists;zy[0]=e,zy[1]=t;let s=r.get(zy);return void 0===s&&(s=new Gy(this.lighting,e,t),r.set(zy,s)),zy[0]=null,zy[1]=null,s}dispose(){this.lists=new gy}}let Wy=0;class Hy{constructor(){this.id=Wy++,this.mrt=null,this.color=!0,this.clearColor=!0,this.clearColorValue={r:0,g:0,b:0,a:1},this.depth=!0,this.clearDepth=!0,this.clearDepthValue=1,this.stencil=!1,this.clearStencil=!0,this.clearStencilValue=1,this.viewport=!1,this.viewportValue=new s,this.scissor=!1,this.scissorValue=new s,this.renderTarget=null,this.textures=null,this.depthTexture=null,this.activeCubeFace=0,this.activeMipmapLevel=0,this.sampleCount=1,this.width=0,this.height=0,this.occlusionQueryCount=0,this.clippingContext=null,this.camera=null,this.isRenderContext=!0}getCacheKey(){return qy(this)}}function qy(e){const{textures:t,activeCubeFace:r,activeMipmapLevel:s}=e,i=[r,s];for(const e of t)i.push(e.id);return Os(i)}class jy{constructor(e){this.renderer=e,this._renderContexts={}}get(e=null,t=null,r=0){let s;if(null===e)s="default";else{const t=e.texture.format,r=e.texture.type;s=`${e.textures.length}:${t}:${r}:${e.samples}:${e.depthBuffer}:${e.stencilBuffer}`}const i=s+"-"+(null!==t?t.id:"default")+"-"+r;let n=this._renderContexts[i];return void 0===n&&(n=new Hy,n.mrt=t,this._renderContexts[i]=n),null!==e&&(n.sampleCount=0===e.samples?1:e.samples),n.clearDepthValue=this.renderer.getClearDepth(),n.clearStencilValue=this.renderer.getClearStencil(),n}dispose(){this._renderContexts={}}}const Xy=new r;class Ky extends xy{constructor(e,t,r){super(),this.renderer=e,this.backend=t,this.info=r}updateRenderTarget(e,t=0){const r=this.get(e),s=0===e.samples?1:e.samples,i=r.depthTextureMips||(r.depthTextureMips={}),n=e.textures,a=this.getSize(n[0]),o=a.width>>t,u=a.height>>t;let l=e.depthTexture||i[t];const d=!0===e.depthBuffer||!0===e.stencilBuffer;let c=!1;void 0===l&&d&&(l=new Y,l.format=e.stencilBuffer?Ue:Ie,l.type=e.stencilBuffer?Oe:S,l.image.width=o,l.image.height=u,l.image.depth=a.depth,l.renderTarget=e,l.isArrayTexture=!0===e.multiview&&a.depth>1,i[t]=l),r.width===a.width&&a.height===r.height||(c=!0,l&&(l.needsUpdate=!0,l.image.width=o,l.image.height=u,l.image.depth=l.isArrayTexture?l.image.depth:1)),r.width=a.width,r.height=a.height,r.textures=n,r.depthTexture=l||null,r.depth=e.depthBuffer,r.stencil=e.stencilBuffer,r.renderTarget=e,r.sampleCount!==s&&(c=!0,l&&(l.needsUpdate=!0),r.sampleCount=s);const h={sampleCount:s};if(!0!==e.isXRRenderTarget){for(let e=0;e<n.length;e++){const t=n[e];c&&(t.needsUpdate=!0),this.updateTexture(t,h)}l&&this.updateTexture(l,h)}!0!==r.initialized&&(r.initialized=!0,r.onDispose=()=>{this._destroyRenderTarget(e)},e.addEventListener("dispose",r.onDispose))}updateTexture(e,t={}){const r=this.get(e);if(!0===r.initialized&&r.version===e.version)return;const s=e.isRenderTargetTexture||e.isDepthTexture||e.isFramebufferTexture,i=this.backend;if(s&&!0===r.initialized&&i.destroyTexture(e),e.isFramebufferTexture){const t=this.renderer.getRenderTarget();e.type=t?t.texture.type:Ve}const{width:n,height:a,depth:o}=this.getSize(e);if(t.width=n,t.height=a,t.depth=o,t.needsMipmaps=this.needsMipmaps(e),t.levels=t.needsMipmaps?this.getMipLevels(e,n,a):1,e.isCubeTexture&&e.mipmaps.length>0&&t.levels++,s||!0===e.isStorageTexture||!0===e.isExternalTexture)i.createTexture(e,t),r.generation=e.version;else if(e.version>0){const s=e.image;if(void 0===s)d("Renderer: Texture marked for update but image is undefined.");else if(!1===s.complete)d("Renderer: Texture marked for update but image is incomplete.");else{if(e.images){const r=[];for(const t of e.images)r.push(t);t.images=r}else t.image=s;void 0!==r.isDefaultTexture&&!0!==r.isDefaultTexture||(i.createTexture(e,t),r.isDefaultTexture=!1,r.generation=e.version),!0===e.source.dataReady&&i.updateTexture(e,t);const n=!0===e.isStorageTexture&&!1===e.mipmapsAutoUpdate;t.needsMipmaps&&0===e.mipmaps.length&&!n&&i.generateMipmaps(e),e.onUpdate&&e.onUpdate(e)}}else i.createDefaultTexture(e),r.isDefaultTexture=!0,r.generation=e.version;!0!==r.initialized&&(r.initialized=!0,r.generation=e.version,this.info.memory.textures++,e.isVideoTexture&&!0===p.enabled&&p.getTransfer(e.colorSpace)!==g&&d("WebGPURenderer: Video textures must use a color space with a sRGB transfer function, e.g. SRGBColorSpace."),r.onDispose=()=>{this._destroyTexture(e)},e.addEventListener("dispose",r.onDispose)),r.version=e.version}updateSampler(e){return this.backend.updateSampler(e)}getSize(e,t=Xy){let r=e.images?e.images[0]:e.image;return r?(void 0!==r.image&&(r=r.image),"undefined"!=typeof HTMLVideoElement&&r instanceof HTMLVideoElement?(t.width=r.videoWidth||1,t.height=r.videoHeight||1,t.depth=1):"undefined"!=typeof VideoFrame&&r instanceof VideoFrame?(t.width=r.displayWidth||1,t.height=r.displayHeight||1,t.depth=1):(t.width=r.width||1,t.height=r.height||1,t.depth=e.isCubeTexture?6:r.depth||1)):t.width=t.height=t.depth=1,t}getMipLevels(e,t,r){let s;return s=e.mipmaps.length>0?e.mipmaps.length:!0===e.isCompressedTexture?1:Math.floor(Math.log2(Math.max(t,r)))+1,s}needsMipmaps(e){return!0===e.generateMipmaps||e.mipmaps.length>0}_destroyRenderTarget(e){if(!0===this.has(e)){const t=this.get(e),r=t.textures,s=t.depthTexture;e.removeEventListener("dispose",t.onDispose);for(let e=0;e<r.length;e++)this._destroyTexture(r[e]);s&&this._destroyTexture(s),this.delete(e),this.backend.delete(e)}}_destroyTexture(e){if(!0===this.has(e)){const t=this.get(e);e.removeEventListener("dispose",t.onDispose);const r=t.isDefaultTexture;this.backend.destroyTexture(e,r),this.delete(e),this.info.memory.textures--}}}class Yy extends e{constructor(e,t,r,s=1){super(e,t,r),this.a=s}set(e,t,r,s=1){return this.a=s,super.set(e,t,r)}copy(e){return void 0!==e.a&&(this.a=e.a),super.copy(e)}clone(){return new this.constructor(this.r,this.g,this.b,this.a)}}class Qy extends Un{static get type(){return"ParameterNode"}constructor(e,t=null){super(e,t),this.isParameterNode=!0}getMemberType(e,t){const r=this.getNodeType(e),s=e.getStructTypeNode(r);let i;return null!==s?i=s.getMemberType(e,t):(o(`TSL: Member "${t}" not found in struct "${r}".`,new Ds),i="float"),i}getHash(){return this.uuid}generate(){return this.name}}class Zy extends li{static get type(){return"StackNode"}constructor(e=null){super(),this.nodes=[],this.outputNode=null,this.parent=e,this._currentCond=null,this._expressionNode=null,this._currentNode=null,this.isStackNode=!0}getElementType(e){return this.hasOutput(e)?this.outputNode.getElementType(e):"void"}getNodeType(e){return this.hasOutput(e)?this.outputNode.getNodeType(e):"void"}getMemberType(e,t){return this.hasOutput(e)?this.outputNode.getMemberType(e,t):"void"}addToStack(e,t=this.nodes.length){return!0!==e.isNode?(o("TSL: Invalid node added to stack.",new Ds),this):(this.nodes.splice(t,0,e),this)}addToStackBefore(e){const t=this._currentNode?this.nodes.indexOf(this._currentNode):0;return this.addToStack(e,t)}If(e,t){const r=new Zi(t);return this._currentCond=xu(e,r),this.addToStack(this._currentCond)}ElseIf(e,t){const r=new Zi(t),s=xu(e,r);return this._currentCond.elseNode=s,this._currentCond=s,this}Else(e){return this._currentCond.elseNode=new Zi(e),this}Switch(e){return this._expressionNode=Ji(e),this}Case(...e){const t=[];if(e.length>=2)for(let r=0;r<e.length-1;r++)t.push(this._expressionNode.equal(Ji(e[r])));else o("TSL: Invalid parameter length. Case() requires at least two parameters.",new Ds);const r=new Zi(e[e.length-1]);let s=t[0];for(let e=1;e<t.length;e++)s=s.or(t[e]);const i=xu(s,r);return null===this._currentCond?(this._currentCond=i,this.addToStack(this._currentCond)):(this._currentCond.elseNode=i,this._currentCond=i,this)}Default(e){return this.Else(e),this}setup(e){const t=e.getNodeProperties(this);let r=0;for(const s of this.getChildren())s.isVarNode&&s.isIntent(e)&&!0!==s.isAssign(e)||(t["node"+r++]=s);return t.outputNode||null}hasOutput(e){return this.outputNode&&this.outputNode.isNode&&"void"!==this.outputNode.getNodeType(e)}build(e,...t){const r=cn(),s=e.buildStage;dn(this),e.setActiveStack(this);const i=t=>{if(this._currentNode=t,!t.isVarNode||!t.isIntent(e)||!0===t.isAssign(e))if("setup"===s)t.build(e);else if("analyze"===s)t.build(e,this);else if("generate"===s){const r=e.getDataFromNode(t,"any").stages,s=r&&r[e.shaderStage];if(t.isVarNode&&s&&1===s.length&&s[0]&&s[0].isStackNode)return;t.build(e,"void")}},n=[...this.nodes];for(const e of n)i(e);this._currentNode=null;const a=this.nodes.filter(e=>-1===n.indexOf(e));for(const e of a)i(e);let o;return o=this.hasOutput(e)?this.outputNode.build(e,...t):super.build(e,...t),dn(r),e.removeActiveStack(this),o}}const Jy=sn(Zy).setParameterLength(0,1);class eb extends li{static get type(){return"StructTypeNode"}constructor(e,t=null){var r;super("struct"),this.membersLayout=(r=e,Object.entries(r).map(([e,t])=>"string"==typeof t?{name:e,type:t,atomic:!1}:{name:e,type:t.type,atomic:t.atomic||!1})),this.name=t,this.isStructLayoutNode=!0}getLength(){const e=Float32Array.BYTES_PER_ELEMENT;let t=1,r=0;for(const s of this.membersLayout){const i=s.type,n=Hs(i),a=qs(i)/e;t=Math.max(t,a);const o=r%t%a;0!==o&&(r+=a-o),r+=n}return Math.ceil(r/t)*t}getMemberType(e,t){const r=this.membersLayout.find(e=>e.name===t);return r?r.type:"void"}getNodeType(e){return e.getStructTypeFromNode(this,this.membersLayout,this.name).name}setup(e){e.getStructTypeFromNode(this,this.membersLayout,this.name),e.addInclude(this)}generate(e){return this.getNodeType(e)}}class tb extends li{static get type(){return"StructNode"}constructor(e,t){super("vec3"),this.structTypeNode=e,this.values=t,this.isStructNode=!0}getNodeType(e){return this.structTypeNode.getNodeType(e)}getMemberType(e,t){return this.structTypeNode.getMemberType(e,t)}_getChildren(){const e=super._getChildren(),t=e.find(e=>e.childNode===this.structTypeNode);return e.splice(e.indexOf(t),1),e.push(t),e}generate(e){const t=e.getVarFromNode(this),r=t.type,s=e.getPropertyName(t);return e.addLineFlowCode(`${s} = ${e.generateStruct(r,this.structTypeNode.membersLayout,this.values)}`,this),t.name}}class rb extends li{static get type(){return"OutputStructNode"}constructor(...e){super(),this.members=e,this.isOutputStructNode=!0}getNodeType(){return"OutputType"}generate(e){const t=e.getDataFromNode(this);if(void 0===t.membersLayout){const r=this.members,s=[];for(let t=0;t<r.length;t++){const i="m"+t,n=r[t].getNodeType(e);s.push({name:i,type:n,index:t})}t.membersLayout=s,t.structType=e.getOutputStructTypeFromNode(this,t.membersLayout)}const r=e.getOutputStructName(),s=this.members,i=""!==r?r+".":"";for(let t=0;t<s.length;t++){const r=s[t].build(e);e.addLineFlowCode(`${i}m${t} = ${r}`,this)}return r}}const sb=sn(rb);class ib{constructor(e=ke){this.blending=e,this.blendSrc=Ge,this.blendDst=ze,this.blendEquation=$e,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.premultiplyAlpha=!1}copy(e){return this.blending=e.blending,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.premultiplyAlpha=e.premultiplyAlpha,this}clone(){return(new this.constructor).copy(this)}}const nb=new ib(ee),ab=new ib(We);function ob(e,t){for(let r=0;r<e.length;r++)if(e[r].name===t)return r;return-1}class ub extends rb{static get type(){return"MRTNode"}constructor(e){super(),this.outputNodes=e,this.blendModes={output:ab},this.isMRTNode=!0}setBlendMode(e,t){return this.blendModes[e]=t,this}getBlendMode(e){return this.blendModes[e]||nb}has(e){return void 0!==this.outputNodes[e]}get(e){return this.outputNodes[e]}merge(e){const t={...this.outputNodes,...e.outputNodes},r={...this.blendModes,...e.blendModes},s=lb(t);return s.blendings=r,s}setup(e){const t=this.outputNodes,r=[],s=e.renderer.getRenderTarget().textures;for(const e in t){r[ob(s,e)]=An(t[e])}return this.members=r,super.setup(e)}}const lb=sn(ub);class db extends hi{static get type(){return"BitcastNode"}constructor(e,t,r=null){super(),this.valueNode=e,this.conversionType=t,this.inputType=r,this.isBitcastNode=!0}getNodeType(e){if(null!==this.inputType){const t=this.valueNode.getNodeType(e),r=e.getTypeLength(t);return e.getTypeFromLength(r,this.conversionType)}return this.conversionType}generate(e){const t=this.getNodeType(e);let r="";if(null!==this.inputType){const t=this.valueNode.getNodeType(e);r=1===e.getTypeLength(t)?this.inputType:e.changeComponentType(t,this.inputType)}else r=this.valueNode.getNodeType(e);return`${e.getBitcastMethod(t,r)}( ${this.valueNode.build(e,r)} )`}}const cb=an(db).setParameterLength(2),hb=e=>new db(e,"uint","float"),pb={};class gb extends so{static get type(){return"BitcountNode"}constructor(e,t){super(e,t),this.isBitcountNode=!0}_resolveElementType(e,t,r){"int"===r?t.assign(cb(e,"uint")):t.assign(e)}_returnDataNode(e){switch(e){case"uint":return yn;case"int":return fn;case"uvec2":return _n;case"uvec3":return Rn;case"uvec4":return Cn;case"ivec2":return Tn;case"ivec3":return Sn;case"ivec4":return wn}}_createTrailingZerosBaseLayout(e,t){const r=this._returnDataNode(t);return ln(([e])=>{const s=yn(0);this._resolveElementType(e,s,t);const i=mn(s.bitAnd(Po(s))),n=hb(i).shiftRight(23).sub(127);return r(n)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createLeadingZerosBaseLayout(e,t){const r=this._returnDataNode(t);return ln(([e])=>{hn(e.equal(yn(0)),()=>yn(32));const s=yn(0),i=yn(0);return this._resolveElementType(e,s,t),hn(s.shiftRight(16).equal(0),()=>{i.addAssign(16),s.shiftLeftAssign(16)}),hn(s.shiftRight(24).equal(0),()=>{i.addAssign(8),s.shiftLeftAssign(8)}),hn(s.shiftRight(28).equal(0),()=>{i.addAssign(4),s.shiftLeftAssign(4)}),hn(s.shiftRight(30).equal(0),()=>{i.addAssign(2),s.shiftLeftAssign(2)}),hn(s.shiftRight(31).equal(0),()=>{i.addAssign(1)}),r(i)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createOneBitsBaseLayout(e,t){const r=this._returnDataNode(t);return ln(([e])=>{const s=yn(0);this._resolveElementType(e,s,t),s.assign(s.sub(s.shiftRight(yn(1)).bitAnd(yn(1431655765)))),s.assign(s.bitAnd(yn(858993459)).add(s.shiftRight(yn(2)).bitAnd(yn(858993459))));const i=s.add(s.shiftRight(yn(4))).bitAnd(yn(252645135)).mul(yn(16843009)).shiftRight(yn(24));return r(i)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}_createMainLayout(e,t,r,s){const i=this._returnDataNode(t);return ln(([e])=>{if(1===r)return i(s(e));{const t=i(0),n=["x","y","z","w"];for(let i=0;i<r;i++){const r=n[i];t[r].assign(s(e[r]))}return t}}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]})}setup(e){const{method:t,aNode:r}=this,{renderer:s}=e;if(s.backend.isWebGPUBackend)return super.setup(e);const i=this.getInputType(e),n=e.getElementType(i),a=e.getTypeLength(i),o=`${t}_base_${n}`,u=`${t}_${i}`;let l=pb[o];if(void 0===l){switch(t){case gb.COUNT_LEADING_ZEROS:l=this._createLeadingZerosBaseLayout(o,n);break;case gb.COUNT_TRAILING_ZEROS:l=this._createTrailingZerosBaseLayout(o,n);break;case gb.COUNT_ONE_BITS:l=this._createOneBitsBaseLayout(o,n)}pb[o]=l}let d=pb[u];void 0===d&&(d=this._createMainLayout(u,i,a,l),pb[u]=d);return ln(()=>d(r))()}}gb.COUNT_TRAILING_ZEROS="countTrailingZeros",gb.COUNT_LEADING_ZEROS="countLeadingZeros",gb.COUNT_ONE_BITS="countOneBits";const mb=an(gb,gb.COUNT_TRAILING_ZEROS).setParameterLength(1),fb=an(gb,gb.COUNT_LEADING_ZEROS).setParameterLength(1),yb=an(gb,gb.COUNT_ONE_BITS).setParameterLength(1),bb=ln(([e])=>{const t=e.toUint().mul(747796405).add(2891336453),r=t.shiftRight(t.shiftRight(28).add(4)).bitXor(t).mul(277803737);return r.shiftRight(22).bitXor(r).toFloat().mul(1/2**32)}),xb=(e,t)=>Jo(La(4,e.mul(Fa(1,e))),t);class Tb extends hi{static get type(){return"PackFloatNode"}constructor(e,t){super(),this.vectorNode=t,this.encoding=e,this.isPackFloatNode=!0}getNodeType(){return"uint"}generate(e){const t=this.vectorNode.getNodeType(e);return`${e.getFloatPackingMethod(this.encoding)}(${this.vectorNode.build(e,t)})`}}const _b=an(Tb,"snorm").setParameterLength(1),vb=an(Tb,"unorm").setParameterLength(1),Nb=an(Tb,"float16").setParameterLength(1);class Sb extends hi{static get type(){return"UnpackFloatNode"}constructor(e,t){super(),this.uintNode=t,this.encoding=e,this.isUnpackFloatNode=!0}getNodeType(){return"vec2"}generate(e){const t=this.uintNode.getNodeType(e);return`${e.getFloatUnpackingMethod(this.encoding)}(${this.uintNode.build(e,t)})`}}const Rb=an(Sb,"snorm").setParameterLength(1),Eb=an(Sb,"unorm").setParameterLength(1),Ab=an(Sb,"float16").setParameterLength(1),wb=ln(([e])=>e.fract().sub(.5).abs()).setLayout({name:"tri",type:"float",inputs:[{name:"x",type:"float"}]}),Cb=ln(([e])=>Nn(wb(e.z.add(wb(e.y.mul(1)))),wb(e.z.add(wb(e.x.mul(1)))),wb(e.y.add(wb(e.x.mul(1)))))).setLayout({name:"tri3",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),Mb=ln(([e,t,r])=>{const s=Nn(e).toVar(),i=mn(1.4).toVar(),n=mn(0).toVar(),a=Nn(s).toVar();return Rp({start:mn(0),end:mn(3),type:"float",condition:"<="},()=>{const e=Nn(Cb(a.mul(2))).toVar();s.addAssign(e.add(r.mul(mn(.1).mul(t)))),a.mulAssign(1.8),i.mulAssign(1.5),s.mulAssign(1.2);const o=mn(wb(s.z.add(wb(s.x.add(wb(s.y)))))).toVar();n.addAssign(o.div(i)),a.addAssign(.14)}),n}).setLayout({name:"triNoise3D",type:"float",inputs:[{name:"position",type:"vec3"},{name:"speed",type:"float"},{name:"time",type:"float"}]});class Bb extends li{static get type(){return"FunctionOverloadingNode"}constructor(e=[],...t){super(),this.functionNodes=e,this.parametersNodes=t,this._candidateFn=null,this.global=!0}getNodeType(e){return this.getCandidateFn(e).shaderNode.layout.type}getCandidateFn(e){const t=this.parametersNodes;let r=this._candidateFn;if(null===r){let s=null,i=-1;for(const r of this.functionNodes){const n=r.shaderNode.layout;if(null===n)throw new Error("FunctionOverloadingNode: FunctionNode must be a layout.");const a=n.inputs;if(t.length===a.length){let n=0;for(let r=0;r<t.length;r++){const s=t[r],i=a[r];s.getNodeType(e)===i.type&&n++}n>i&&(s=r,i=n)}}this._candidateFn=r=s}return r}setup(e){return this.getCandidateFn(e)(...this.parametersNodes)}}const Fb=sn(Bb),Lb=e=>(...t)=>Fb(e,...t),Pb=va(0).setGroup(xa).onRenderUpdate(e=>e.time),Db=va(0).setGroup(xa).onRenderUpdate(e=>e.deltaTime),Ub=va(0,"uint").setGroup(xa).onRenderUpdate(e=>e.frameId);const Ib=ln(([e,t,r=xn(.5)])=>Zf(e.sub(r),t).add(r)),Ob=ln(([e,t,r=xn(.5)])=>{const s=e.sub(r),i=s.dot(s),n=i.mul(i).mul(t);return e.add(s.mul(n))}),Vb=ln(({position:e=null,horizontal:t=!0,vertical:r=!1})=>{let s;null!==e?(s=Ud.toVar(),s[3][0]=e.x,s[3][1]=e.y,s[3][2]=e.z):s=Ud;const i=_d.mul(s);return Yi(t)&&(i[0][0]=Ud[0].length(),i[0][1]=0,i[0][2]=0),Yi(r)&&(i[1][0]=0,i[1][1]=Ud[1].length(),i[1][2]=0),i[2][0]=0,i[2][1]=0,i[2][2]=1,xd.mul(i).mul(Kd)}),kb=ln(([e=null])=>{const t=eg();return eg(Hp(e)).sub(t).lessThan(0).select(Xl,e)}),Gb=ln(([e,t=El(),r=mn(0)])=>{const s=e.x,i=e.y,n=r.mod(s.mul(i)).floor(),a=n.mod(s),o=i.sub(n.add(1).div(s).ceil()),u=e.reciprocal(),l=xn(a,o);return t.add(l).mul(u)}),zb=ln(([e,t=null,r=null,s=mn(1),i=Kd,n=ac])=>{let a=n.abs().normalize();a=a.div(a.dot(Nn(1)));const o=i.yz.mul(s),u=i.zx.mul(s),l=i.xy.mul(s),d=e.value,c=null!==t?t.value:d,h=null!==r?r.value:d,p=Dl(d,o).mul(a.x),g=Dl(c,u).mul(a.y),m=Dl(h,l).mul(a.z);return Ba(p,g,m)}),$b=new He,Wb=new r,Hb=new r,qb=new r,jb=new a,Xb=new r(0,0,-1),Kb=new s,Yb=new r,Qb=new r,Zb=new s,Jb=new t,ex=new se,tx=Xl.flipX();ex.depthTexture=new Y(1,1);let rx=!1;class sx extends Ll{static get type(){return"ReflectorNode"}constructor(e={}){super(e.defaultTexture||ex.texture,tx),this._reflectorBaseNode=e.reflector||new ix(this,e),this._depthNode=null,this.setUpdateMatrix(!1)}get reflector(){return this._reflectorBaseNode}get target(){return this._reflectorBaseNode.target}getDepthNode(){if(null===this._depthNode){if(!0!==this._reflectorBaseNode.depth)throw new Error("THREE.ReflectorNode: Depth node can only be requested when the reflector is created with { depth: true }. ");this._depthNode=Ji(new sx({defaultTexture:ex.depthTexture,reflector:this._reflectorBaseNode}))}return this._depthNode}setup(e){return e.object.isQuadMesh||this._reflectorBaseNode.build(e),super.setup(e)}clone(){const e=new this.constructor(this.reflectorNode);return e.uvNode=this.uvNode,e.levelNode=this.levelNode,e.biasNode=this.biasNode,e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.offsetNode=this.offsetNode,e._reflectorBaseNode=this._reflectorBaseNode,e}dispose(){super.dispose(),this._reflectorBaseNode.dispose()}}class ix extends li{static get type(){return"ReflectorBaseNode"}constructor(e,t={}){super();const{target:r=new qe,resolutionScale:s=1,generateMipmaps:i=!1,bounces:n=!0,depth:a=!1,samples:o=0}=t;this.textureNode=e,this.target=r,this.resolutionScale=s,void 0!==t.resolution&&(v('ReflectorNode: The "resolution" parameter has been renamed to "resolutionScale".'),this.resolutionScale=t.resolution),this.generateMipmaps=i,this.bounces=n,this.depth=a,this.samples=o,this.updateBeforeType=n?ei.RENDER:ei.FRAME,this.virtualCameras=new WeakMap,this.renderTargets=new Map,this.forceUpdate=!1,this.hasOutput=!1}_updateResolution(e,t){const r=this.resolutionScale;t.getDrawingBufferSize(Jb),e.setSize(Math.round(Jb.width*r),Math.round(Jb.height*r))}setup(e){return this._updateResolution(ex,e.renderer),super.setup(e)}dispose(){super.dispose();for(const e of this.renderTargets.values())e.dispose()}getVirtualCamera(e){let t=this.virtualCameras.get(e);return void 0===t&&(t=e.clone(),this.virtualCameras.set(e,t)),t}getRenderTarget(e){let t=this.renderTargets.get(e);return void 0===t&&(t=new se(0,0,{type:be,samples:this.samples}),!0===this.generateMipmaps&&(t.texture.minFilter=je,t.texture.generateMipmaps=!0),!0===this.depth&&(t.depthTexture=new Y),this.renderTargets.set(e,t)),t}updateBefore(e){if(!1===this.bounces&&rx)return!1;rx=!0;const{scene:t,camera:r,renderer:s,material:i}=e,{target:n}=this,a=this.getVirtualCamera(r),o=this.getRenderTarget(a);s.getDrawingBufferSize(Jb),this._updateResolution(o,s),Hb.setFromMatrixPosition(n.matrixWorld),qb.setFromMatrixPosition(r.matrixWorld),jb.extractRotation(n.matrixWorld),Wb.set(0,0,1),Wb.applyMatrix4(jb),Yb.subVectors(Hb,qb);let u=!1;if(!0===Yb.dot(Wb)>0&&!1===this.forceUpdate){if(!1===this.hasOutput)return void(rx=!1);u=!0}Yb.reflect(Wb).negate(),Yb.add(Hb),jb.extractRotation(r.matrixWorld),Xb.set(0,0,-1),Xb.applyMatrix4(jb),Xb.add(qb),Qb.subVectors(Hb,Xb),Qb.reflect(Wb).negate(),Qb.add(Hb),a.coordinateSystem=r.coordinateSystem,a.position.copy(Yb),a.up.set(0,1,0),a.up.applyMatrix4(jb),a.up.reflect(Wb),a.lookAt(Qb),a.near=r.near,a.far=r.far,a.updateMatrixWorld(),a.projectionMatrix.copy(r.projectionMatrix),$b.setFromNormalAndCoplanarPoint(Wb,Hb),$b.applyMatrix4(a.matrixWorldInverse),Kb.set($b.normal.x,$b.normal.y,$b.normal.z,$b.constant);const l=a.projectionMatrix;Zb.x=(Math.sign(Kb.x)+l.elements[8])/l.elements[0],Zb.y=(Math.sign(Kb.y)+l.elements[9])/l.elements[5],Zb.z=-1,Zb.w=(1+l.elements[10])/l.elements[14],Kb.multiplyScalar(1/Kb.dot(Zb));l.elements[2]=Kb.x,l.elements[6]=Kb.y,l.elements[10]=s.coordinateSystem===h?Kb.z-0:Kb.z+1-0,l.elements[14]=Kb.w,this.textureNode.value=o.texture,!0===this.depth&&(this.textureNode.getDepthNode().value=o.depthTexture),i.visible=!1;const d=s.getRenderTarget(),c=s.getMRT(),p=s.autoClear;s.setMRT(null),s.setRenderTarget(o),s.autoClear=!0;const g=t.name;t.name=(t.name||"Scene")+" [ Reflector ]",u?(s.clear(),this.hasOutput=!1):(s.render(t,a),this.hasOutput=!0),t.name=g,s.setMRT(c),s.setRenderTarget(d),s.autoClear=p,i.visible=!0,rx=!1,this.forceUpdate=!1}get resolution(){return v('ReflectorNode: The "resolution" property has been renamed to "resolutionScale".'),this.resolutionScale}set resolution(e){v('ReflectorNode: The "resolution" property has been renamed to "resolutionScale".'),this.resolutionScale=e}}const nx=new _e(-1,1,1,-1,0,1);class ax extends Te{constructor(e=!1){super();const t=!1===e?[0,-1,0,1,2,1]:[0,2,0,0,2,0];this.setAttribute("position",new Xe([-1,3,0,-1,-1,0,3,-1,0],3)),this.setAttribute("uv",new Xe(t,2))}}const ox=new ax;class ux extends ne{constructor(e=null){super(ox,e),this.camera=nx,this.isQuadMesh=!0}async renderAsync(e){v('QuadMesh: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await e.init(),e.render(this,nx)}render(e){e.render(this,nx)}}const lx=new t;class dx extends Ll{static get type(){return"RTTNode"}constructor(e,t=null,r=null,s={type:be}){const i=new se(t,r,s);super(i.texture,El()),this.isRTTNode=!0,this.node=e,this.width=t,this.height=r,this.pixelRatio=1,this.renderTarget=i,this.textureNeedsUpdate=!0,this.autoUpdate=!0,this._rttNode=null,this._quadMesh=new ux(new mg),this.updateBeforeType=ei.RENDER}get autoResize(){return null===this.width}setup(e){return this._rttNode=this.node.context(e.getSharedContext()),this._quadMesh.material.name="RTT",this._quadMesh.material.needsUpdate=!0,super.setup(e)}setSize(e,t){this.width=e,this.height=t;const r=e*this.pixelRatio,s=t*this.pixelRatio;this.renderTarget.setSize(r,s),this.textureNeedsUpdate=!0}setPixelRatio(e){this.pixelRatio=e,this.setSize(this.width,this.height)}updateBefore({renderer:e}){if(!1===this.textureNeedsUpdate&&!1===this.autoUpdate)return;if(this.textureNeedsUpdate=!1,!0===this.autoResize){const t=e.getPixelRatio(),r=e.getSize(lx),s=Math.floor(r.width*t),i=Math.floor(r.height*t);s===this.renderTarget.width&&i===this.renderTarget.height||(this.renderTarget.setSize(s,i),this.textureNeedsUpdate=!0)}let t="RTT";this.node.name&&(t=this.node.name+" [ "+t+" ]"),this._quadMesh.material.fragmentNode=this._rttNode,this._quadMesh.name=t;const r=e.getRenderTarget();e.setRenderTarget(this.renderTarget),this._quadMesh.render(e),e.setRenderTarget(r)}clone(){const e=new Ll(this.value,this.uvNode,this.levelNode);return e.sampler=this.sampler,e.referenceNode=this,e}}const cx=(e,...t)=>new dx(Ji(e),...t),hx=ln(([e,t,r],s)=>{let i;s.renderer.coordinateSystem===h?(e=xn(e.x,e.y.oneMinus()).mul(2).sub(1),i=An(Nn(e,t),1)):i=An(Nn(e.x,e.y.oneMinus(),t).mul(2).sub(1),1);const n=An(r.mul(i));return n.xyz.div(n.w)}),px=ln(([e,t])=>{const r=t.mul(An(e,1)),s=r.xy.div(r.w).mul(.5).add(.5).toVar();return xn(s.x,s.y.oneMinus())}),gx=ln(([e,t,r])=>{const s=wl(Ul(t)),i=Tn(e.mul(s)).toVar(),n=Ul(t,i).toVar(),a=Ul(t,i.sub(Tn(2,0))).toVar(),o=Ul(t,i.sub(Tn(1,0))).toVar(),u=Ul(t,i.add(Tn(1,0))).toVar(),l=Ul(t,i.add(Tn(2,0))).toVar(),d=Ul(t,i.add(Tn(0,2))).toVar(),c=Ul(t,i.add(Tn(0,1))).toVar(),h=Ul(t,i.sub(Tn(0,1))).toVar(),p=Ul(t,i.sub(Tn(0,2))).toVar(),g=Bo(Fa(mn(2).mul(o).sub(a),n)).toVar(),m=Bo(Fa(mn(2).mul(u).sub(l),n)).toVar(),f=Bo(Fa(mn(2).mul(c).sub(d),n)).toVar(),y=Bo(Fa(mn(2).mul(h).sub(p),n)).toVar(),b=hx(e,n,r).toVar(),x=g.lessThan(m).select(b.sub(hx(e.sub(xn(mn(1).div(s.x),0)),o,r)),b.negate().add(hx(e.add(xn(mn(1).div(s.x),0)),u,r))),T=f.lessThan(y).select(b.sub(hx(e.add(xn(0,mn(1).div(s.y))),c,r)),b.negate().add(hx(e.sub(xn(0,mn(1).div(s.y))),h,r)));return No(Zo(x,T))}),mx=ln(([e])=>So(mn(52.9829189).mul(So(Qo(e,xn(.06711056,.00583715)))))).setLayout({name:"interleavedGradientNoise",type:"float",inputs:[{name:"position",type:"vec2"}]}),fx=ln(([e,t,r])=>{const s=mn(2.399963229728653),i=xo(mn(e).add(.5).div(mn(t))),n=mn(e).mul(s).add(r);return xn(Eo(n),Ro(n)).mul(i)}).setLayout({name:"vogelDiskSample",type:"vec2",inputs:[{name:"sampleIndex",type:"int"},{name:"samplesCount",type:"int"},{name:"phi",type:"float"}]});class yx extends li{static get type(){return"SampleNode"}constructor(e,t=null){super(),this.callback=e,this.uvNode=t,this.isSampleNode=!0}setup(){return this.sample(El())}sample(e){return this.callback(e)}}class bx extends li{static get type(){return"EventNode"}constructor(e,t){super("void"),this.eventType=e,this.callback=t,e===bx.OBJECT?this.updateType=ei.OBJECT:e===bx.MATERIAL?this.updateType=ei.RENDER:e===bx.BEFORE_OBJECT?this.updateBeforeType=ei.OBJECT:e===bx.BEFORE_MATERIAL&&(this.updateBeforeType=ei.RENDER)}update(e){this.callback(e)}updateBefore(e){this.callback(e)}}bx.OBJECT="object",bx.MATERIAL="material",bx.BEFORE_OBJECT="beforeObject",bx.BEFORE_MATERIAL="beforeMaterial";const xx=(e,t)=>new bx(e,t).toStack();class Tx extends W{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageInstancedBufferAttribute=!0}}class _x extends Ee{constructor(e,t,r=Float32Array){super(ArrayBuffer.isView(e)?e:new r(e*t),t),this.isStorageBufferAttribute=!0}}class vx extends li{static get type(){return"PointUVNode"}constructor(){super("vec2"),this.isPointUVNode=!0}generate(){return"vec2( gl_PointCoord.x, 1.0 - gl_PointCoord.y )"}}const Nx=nn(vx),Sx=new F,Rx=new a,Ex=va(0).setGroup(xa).onRenderUpdate(({scene:e})=>e.backgroundBlurriness),Ax=va(1).setGroup(xa).onRenderUpdate(({scene:e})=>e.backgroundIntensity),wx=va(new a).setGroup(xa).onRenderUpdate(({scene:e})=>{const t=e.background;return null!==t&&t.isTexture&&t.mapping!==Ke?(Sx.copy(e.backgroundRotation),Sx.x*=-1,Sx.y*=-1,Sx.z*=-1,Rx.makeRotationFromEuler(Sx)):Rx.identity(),Rx});class Cx extends Ll{static get type(){return"StorageTextureNode"}constructor(e,t,r=null){super(e,t),this.storeNode=r,this.mipLevel=0,this.isStorageTextureNode=!0,this.access=ri.WRITE_ONLY}getInputType(){return"storageTexture"}setup(e){super.setup(e);const t=e.getNodeProperties(this);return t.storeNode=this.storeNode,t}setAccess(e){return this.access=e,this}setMipLevel(e){return this.mipLevel=e,this}generate(e,t){let r;return r=null!==this.storeNode?this.generateStore(e):super.generate(e,t),r}toReadWrite(){return this.setAccess(ri.READ_WRITE)}toReadOnly(){return this.setAccess(ri.READ_ONLY)}toWriteOnly(){return this.setAccess(ri.WRITE_ONLY)}generateStore(e){const t=e.getNodeProperties(this),{uvNode:r,storeNode:s,depthNode:i}=t,n=super.generate(e,"property"),a=r.build(e,!0===this.value.is3DTexture?"uvec3":"uvec2"),o=s.build(e,"vec4"),u=i?i.build(e,"int"):null,l=e.generateTextureStore(e,n,a,u,o);e.addLineFlowCode(l,this)}clone(){const e=super.clone();return e.storeNode=this.storeNode,e.mipLevel=this.mipLevel,e.access=this.access,e}}const Mx=sn(Cx).setParameterLength(1,3),Bx=ln(({texture:e,uv:t})=>{const r=1e-4,s=Nn().toVar();return hn(t.x.lessThan(r),()=>{s.assign(Nn(1,0,0))}).ElseIf(t.y.lessThan(r),()=>{s.assign(Nn(0,1,0))}).ElseIf(t.z.lessThan(r),()=>{s.assign(Nn(0,0,1))}).ElseIf(t.x.greaterThan(.9999),()=>{s.assign(Nn(-1,0,0))}).ElseIf(t.y.greaterThan(.9999),()=>{s.assign(Nn(0,-1,0))}).ElseIf(t.z.greaterThan(.9999),()=>{s.assign(Nn(0,0,-1))}).Else(()=>{const r=.01,i=e.sample(t.add(Nn(-.01,0,0))).r.sub(e.sample(t.add(Nn(r,0,0))).r),n=e.sample(t.add(Nn(0,-.01,0))).r.sub(e.sample(t.add(Nn(0,r,0))).r),a=e.sample(t.add(Nn(0,0,-.01))).r.sub(e.sample(t.add(Nn(0,0,r))).r);s.assign(Nn(i,n,a))}),s.normalize()});class Fx extends Ll{static get type(){return"Texture3DNode"}constructor(e,t=null,r=null){super(e,t,r),this.isTexture3DNode=!0}getInputType(){return"texture3D"}getDefaultUV(){return Nn(.5,.5,.5)}setUpdateMatrix(){}generateUV(e,t){return t.build(e,!0===this.sampler?"vec3":"ivec3")}generateOffset(e,t){return t.build(e,"ivec3")}normal(e){return Bx({texture:this,uv:e})}}const Lx=sn(Fx).setParameterLength(1,3);class Px extends Fc{static get type(){return"UserDataNode"}constructor(e,t,r=null){super(e,t,r),this.userData=r}updateReference(e){return this.reference=null!==this.userData?this.userData:e.object.userData,this.reference}}const Dx=new WeakMap;class Ux extends hi{static get type(){return"VelocityNode"}constructor(){super("vec2"),this.projectionMatrix=null,this.updateType=ei.OBJECT,this.updateAfterType=ei.OBJECT,this.previousModelWorldMatrix=va(new a),this.previousProjectionMatrix=va(new a).setGroup(xa),this.previousCameraViewMatrix=va(new a)}setProjectionMatrix(e){this.projectionMatrix=e}update({frameId:e,camera:t,object:r}){const s=Ox(r);this.previousModelWorldMatrix.value.copy(s);const i=Ix(t);i.frameId!==e&&(i.frameId=e,void 0===i.previousProjectionMatrix?(i.previousProjectionMatrix=new a,i.previousCameraViewMatrix=new a,i.currentProjectionMatrix=new a,i.currentCameraViewMatrix=new a,i.previousProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.previousCameraViewMatrix.copy(t.matrixWorldInverse)):(i.previousProjectionMatrix.copy(i.currentProjectionMatrix),i.previousCameraViewMatrix.copy(i.currentCameraViewMatrix)),i.currentProjectionMatrix.copy(this.projectionMatrix||t.projectionMatrix),i.currentCameraViewMatrix.copy(t.matrixWorldInverse),this.previousProjectionMatrix.value.copy(i.previousProjectionMatrix),this.previousCameraViewMatrix.value.copy(i.previousCameraViewMatrix))}updateAfter({object:e}){Ox(e).copy(e.matrixWorld)}setup(){const e=null===this.projectionMatrix?xd:va(this.projectionMatrix),t=this.previousCameraViewMatrix.mul(this.previousModelWorldMatrix),r=e.mul($d).mul(Kd),s=this.previousProjectionMatrix.mul(t).mul(Yd),i=r.xy.div(r.w),n=s.xy.div(s.w);return Fa(i,n)}}function Ix(e){let t=Dx.get(e);return void 0===t&&(t={},Dx.set(e,t)),t}function Ox(e,t=0){const r=Ix(e);let s=r[t];return void 0===s&&(r[t]=s=new a,r[t].copy(e.matrixWorld)),s}const Vx=nn(Ux),kx=ln(([e])=>Wx(e.rgb)),Gx=ln(([e,t=mn(1)])=>t.mix(Wx(e.rgb),e.rgb)),zx=ln(([e,t=mn(1)])=>{const r=Ba(e.r,e.g,e.b).div(3),s=e.r.max(e.g.max(e.b)),i=s.sub(r).mul(t).mul(-3);return au(e.rgb,s,i)}),$x=ln(([e,t=mn(1)])=>{const r=Nn(.57735,.57735,.57735),s=t.cos();return Nn(e.rgb.mul(s).add(r.cross(e.rgb).mul(t.sin()).add(r.mul(Qo(r,e.rgb).mul(s.oneMinus())))))}),Wx=(e,t=Nn(p.getLuminanceCoefficients(new r)))=>Qo(e,t),Hx=ln(([e,t=Nn(1),s=Nn(0),i=Nn(1),n=mn(1),a=Nn(p.getLuminanceCoefficients(new r,Ne))])=>{const o=e.rgb.dot(Nn(a)),u=qo(e.rgb.mul(t).add(s),0).toVar(),l=u.pow(i).toVar();return hn(u.r.greaterThan(0),()=>{u.r.assign(l.r)}),hn(u.g.greaterThan(0),()=>{u.g.assign(l.g)}),hn(u.b.greaterThan(0),()=>{u.b.assign(l.b)}),u.assign(o.add(u.sub(o).mul(n))),An(u.rgb,e.a)}),qx=ln(([e,t])=>e.mul(t).floor().div(t));let jx=null;class Xx extends Op{static get type(){return"ViewportSharedTextureNode"}constructor(e=Xl,t=null){null===jx&&(jx=new X),super(e,t,jx)}getTextureForReference(){return jx}updateReference(){return this}}const Kx=sn(Xx).setParameterLength(0,2),Yx=new t;class Qx extends Ll{static get type(){return"PassTextureNode"}constructor(e,t){super(t),this.passNode=e,this.isPassTextureNode=!0,this.setUpdateMatrix(!1)}setup(e){return e.getNodeProperties(this).passNode=this.passNode,super.setup(e)}clone(){return new this.constructor(this.passNode,this.value)}}class Zx extends Qx{static get type(){return"PassMultipleTextureNode"}constructor(e,t,r=!1){super(e,null),this.textureName=t,this.previousTexture=r,this.isPassMultipleTextureNode=!0}updateTexture(){this.value=this.previousTexture?this.passNode.getPreviousTexture(this.textureName):this.passNode.getTexture(this.textureName)}setup(e){return this.updateTexture(),super.setup(e)}clone(){const e=new this.constructor(this.passNode,this.textureName,this.previousTexture);return e.uvNode=this.uvNode,e.levelNode=this.levelNode,e.biasNode=this.biasNode,e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.offsetNode=this.offsetNode,e}}class Jx extends hi{static get type(){return"PassNode"}constructor(e,t,r,s={}){super("vec4"),this.scope=e,this.scene=t,this.camera=r,this.options=s,this._pixelRatio=1,this._width=1,this._height=1;const i=new Y;i.isRenderTargetTexture=!0,i.name="depth";const n=new se(this._width*this._pixelRatio,this._height*this._pixelRatio,{type:be,...s});n.texture.name="output",n.depthTexture=i,this.renderTarget=n,this.overrideMaterial=null,this.transparent=!0,this.opaque=!0,this.contextNode=null,this._contextNodeCache=null,this._textures={output:n.texture,depth:i},this._textureNodes={},this._linearDepthNodes={},this._viewZNodes={},this._previousTextures={},this._previousTextureNodes={},this._cameraNear=va(0),this._cameraFar=va(0),this._mrt=null,this._layers=null,this._resolutionScale=1,this._viewport=null,this._scissor=null,this.isPassNode=!0,this.updateBeforeType=ei.FRAME,this.global=!0}setResolutionScale(e){return this._resolutionScale=e,this}getResolutionScale(){return this._resolutionScale}setResolution(e){return d("PassNode: .setResolution() is deprecated. Use .setResolutionScale() instead."),this.setResolutionScale(e)}getResolution(){return d("PassNode: .getResolution() is deprecated. Use .getResolutionScale() instead."),this.getResolutionScale()}setLayers(e){return this._layers=e,this}getLayers(){return this._layers}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}getTexture(e){let t=this._textures[e];if(void 0===t){t=this.renderTarget.texture.clone(),t.name=e,this._textures[e]=t,this.renderTarget.textures.push(t)}return t}getPreviousTexture(e){let t=this._previousTextures[e];return void 0===t&&(t=this.getTexture(e).clone(),this._previousTextures[e]=t),t}toggleTexture(e){const t=this._previousTextures[e];if(void 0!==t){const r=this._textures[e],s=this.renderTarget.textures.indexOf(r);this.renderTarget.textures[s]=t,this._textures[e]=t,this._previousTextures[e]=r,this._textureNodes[e].updateTexture(),this._previousTextureNodes[e].updateTexture()}}getTextureNode(e="output"){let t=this._textureNodes[e];return void 0===t&&(t=new Zx(this,e),t.updateTexture(),this._textureNodes[e]=t),t}getPreviousTextureNode(e="output"){let t=this._previousTextureNodes[e];return void 0===t&&(void 0===this._textureNodes[e]&&this.getTextureNode(e),t=new Zx(this,e,!0),t.updateTexture(),this._previousTextureNodes[e]=t),t}getViewZNode(e="depth"){let t=this._viewZNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar;this._viewZNodes[e]=t=Yp(this.getTextureNode(e),r,s)}return t}getLinearDepthNode(e="depth"){let t=this._linearDepthNodes[e];if(void 0===t){const r=this._cameraNear,s=this._cameraFar,i=this.getViewZNode(e);this._linearDepthNodes[e]=t=jp(i,r,s)}return t}async compileAsync(e){const t=e.getRenderTarget(),r=e.getMRT();e.setRenderTarget(this.renderTarget),e.setMRT(this._mrt),await e.compileAsync(this.scene,this.camera),e.setRenderTarget(t),e.setMRT(r)}setup({renderer:e}){return this.renderTarget.samples=void 0===this.options.samples?e.samples:this.options.samples,this.renderTarget.texture.type=e.getOutputBufferType(),this.scope===Jx.COLOR?this.getTextureNode():this.getLinearDepthNode()}updateBefore(e){const{renderer:t}=e,{scene:r}=this;let s,i;const n=t.getOutputRenderTarget();n&&!0===n.isXRRenderTarget?(i=1,s=t.xr.getCamera(),t.xr.updateCamera(s),Yx.set(n.width,n.height)):(s=this.camera,i=t.getPixelRatio(),t.getSize(Yx)),this._pixelRatio=i,this.setSize(Yx.width,Yx.height);const a=t.getRenderTarget(),o=t.getMRT(),u=t.autoClear,l=t.transparent,d=t.opaque,c=s.layers.mask,h=t.contextNode,p=r.overrideMaterial;this._cameraNear.value=s.near,this._cameraFar.value=s.far,null!==this._layers&&(s.layers.mask=this._layers.mask);for(const e in this._previousTextures)this.toggleTexture(e);null!==this.overrideMaterial&&(r.overrideMaterial=this.overrideMaterial),t.setRenderTarget(this.renderTarget),t.setMRT(this._mrt),t.autoClear=!0,t.transparent=this.transparent,t.opaque=this.opaque,null!==this.contextNode&&(null!==this._contextNodeCache&&this._contextNodeCache.version===this.version||(this._contextNodeCache={version:this.version,context:_u({...t.contextNode.getFlowContextData(),...this.contextNode.getFlowContextData()})}),t.contextNode=this._contextNodeCache.context);const g=r.name;r.name=this.name?this.name:r.name,t.render(r,s),r.name=g,r.overrideMaterial=p,t.setRenderTarget(a),t.setMRT(o),t.autoClear=u,t.transparent=l,t.opaque=d,t.contextNode=h,s.layers.mask=c}setSize(e,t){this._width=e,this._height=t;const r=Math.floor(this._width*this._pixelRatio*this._resolutionScale),s=Math.floor(this._height*this._pixelRatio*this._resolutionScale);this.renderTarget.setSize(r,s),null!==this._scissor&&this.renderTarget.scissor.copy(this._scissor),null!==this._viewport&&this.renderTarget.viewport.copy(this._viewport)}setScissor(e,t,r,i){null===e?this._scissor=null:(null===this._scissor&&(this._scissor=new s),e.isVector4?this._scissor.copy(e):this._scissor.set(e,t,r,i),this._scissor.multiplyScalar(this._pixelRatio*this._resolutionScale).floor())}setViewport(e,t,r,i){null===e?this._viewport=null:(null===this._viewport&&(this._viewport=new s),e.isVector4?this._viewport.copy(e):this._viewport.set(e,t,r,i),this._viewport.multiplyScalar(this._pixelRatio*this._resolutionScale).floor())}setPixelRatio(e){this._pixelRatio=e,this.setSize(this._width,this._height)}dispose(){this.renderTarget.dispose()}}Jx.COLOR="color",Jx.DEPTH="depth";class eT extends Jx{static get type(){return"ToonOutlinePassNode"}constructor(e,t,r,s,i){super(Jx.COLOR,e,t),this.colorNode=r,this.thicknessNode=s,this.alphaNode=i,this._materialCache=new WeakMap,this.name="Outline Pass"}updateBefore(e){const{renderer:t}=e,r=t.getRenderObjectFunction();t.setRenderObjectFunction((e,r,s,i,n,a,o,u)=>{if((n.isMeshToonMaterial||n.isMeshToonNodeMaterial)&&!1===n.wireframe){const l=this._getOutlineMaterial(n);t.renderObject(e,r,s,i,l,a,o,u)}t.renderObject(e,r,s,i,n,a,o,u)}),super.updateBefore(e),t.setRenderObjectFunction(r)}_createMaterial(){const e=new mg;e.isMeshToonOutlineMaterial=!0,e.name="Toon_Outline",e.side=M;const t=ac.negate(),r=xd.mul($d),s=mn(1),i=r.mul(An(Kd,1)),n=r.mul(An(Kd.add(t),1)),a=No(i.sub(n));return e.vertexNode=i.add(a.mul(this.thicknessNode).mul(i.w).mul(s)),e.colorNode=An(this.colorNode,this.alphaNode),e}_getOutlineMaterial(e){let t=this._materialCache.get(e);return void 0===t&&(t=this._createMaterial(),this._materialCache.set(e,t)),t}}const tT=ln(([e,t])=>e.mul(t).clamp()).setLayout({name:"linearToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),rT=ln(([e,t])=>(e=e.mul(t)).div(e.add(1)).clamp()).setLayout({name:"reinhardToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),sT=ln(([e,t])=>{const r=(e=(e=e.mul(t)).sub(.004).max(0)).mul(e.mul(6.2).add(.5)),s=e.mul(e.mul(6.2).add(1.7)).add(.06);return r.div(s).pow(2.2)}).setLayout({name:"cineonToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),iT=ln(([e])=>{const t=e.mul(e.add(.0245786)).sub(90537e-9),r=e.mul(e.add(.432951).mul(.983729)).add(.238081);return t.div(r)}),nT=ln(([e,t])=>{const r=Fn(.59719,.35458,.04823,.076,.90834,.01566,.0284,.13383,.83777),s=Fn(1.60475,-.53108,-.07367,-.10208,1.10813,-.00605,-.00327,-.07276,1.07602);return e=e.mul(t).div(.6),e=r.mul(e),e=iT(e),(e=s.mul(e)).clamp()}).setLayout({name:"acesFilmicToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),aT=Fn(Nn(1.6605,-.1246,-.0182),Nn(-.5876,1.1329,-.1006),Nn(-.0728,-.0083,1.1187)),oT=Fn(Nn(.6274,.0691,.0164),Nn(.3293,.9195,.088),Nn(.0433,.0113,.8956)),uT=ln(([e])=>{const t=Nn(e).toVar(),r=Nn(t.mul(t)).toVar(),s=Nn(r.mul(r)).toVar();return mn(15.5).mul(s.mul(r)).sub(La(40.14,s.mul(t))).add(La(31.96,s).sub(La(6.868,r.mul(t))).add(La(.4298,r).add(La(.1191,t).sub(.00232))))}),lT=ln(([e,t])=>{const r=Nn(e).toVar(),s=Fn(Nn(.856627153315983,.137318972929847,.11189821299995),Nn(.0951212405381588,.761241990602591,.0767994186031903),Nn(.0482516061458583,.101439036467562,.811302368396859)),i=Fn(Nn(1.1271005818144368,-.1413297634984383,-.14132976349843826),Nn(-.11060664309660323,1.157823702216272,-.11060664309660294),Nn(-.016493938717834573,-.016493938717834257,1.2519364065950405)),n=mn(-12.47393),a=mn(4.026069);return r.mulAssign(t),r.assign(oT.mul(r)),r.assign(s.mul(r)),r.assign(qo(r,1e-10)),r.assign(bo(r)),r.assign(r.sub(n).div(a.sub(n))),r.assign(ou(r,0,1)),r.assign(uT(r)),r.assign(i.mul(r)),r.assign(Jo(qo(Nn(0),r),Nn(2.2))),r.assign(aT.mul(r)),r.assign(ou(r,0,1)),r}).setLayout({name:"agxToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),dT=ln(([e,t])=>{const r=mn(.76),s=mn(.15);e=e.mul(t);const i=Ho(e.r,Ho(e.g,e.b)),n=xu(i.lessThan(.08),i.sub(La(6.25,i.mul(i))),.04);e.subAssign(n);const a=qo(e.r,qo(e.g,e.b));hn(a.lessThan(r),()=>e);const o=Fa(1,r),u=Fa(1,o.mul(o).div(a.add(o.sub(r))));e.mulAssign(u.div(a));const l=Fa(1,Pa(1,s.mul(a.sub(u)).add(1)));return au(e,Nn(u),l)}).setLayout({name:"neutralToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]});class cT extends li{static get type(){return"CodeNode"}constructor(e="",t=[],r=""){super("code"),this.isCodeNode=!0,this.global=!0,this.code=e,this.includes=t,this.language=r}setIncludes(e){return this.includes=e,this}getIncludes(){return this.includes}generate(e){const t=this.getIncludes(e);for(const r of t)r.build(e);const r=e.getCodeFromNode(this,this.getNodeType(e));return r.code=this.code,r.code}serialize(e){super.serialize(e),e.code=this.code,e.language=this.language}deserialize(e){super.deserialize(e),this.code=e.code,this.language=e.language}}const hT=sn(cT).setParameterLength(1,3);class pT extends cT{static get type(){return"FunctionNode"}constructor(e="",t=[],r=""){super(e,t,r)}getNodeType(e){return this.getNodeFunction(e).type}getMemberType(e,t){const r=this.getNodeType(e);return e.getStructTypeNode(r).getMemberType(e,t)}getInputs(e){return this.getNodeFunction(e).inputs}getNodeFunction(e){const t=e.getDataFromNode(this);let r=t.nodeFunction;return void 0===r&&(r=e.parser.parseFunction(this.code),t.nodeFunction=r),r}generate(e,t){super.generate(e);const r=this.getNodeFunction(e),s=r.name,i=r.type,n=e.getCodeFromNode(this,i);""!==s&&(n.name=s);const a=e.getPropertyName(n),o=this.getNodeFunction(e).getCode(a);return n.code=o+"\n","property"===t?a:e.format(`${a}()`,i,t)}}const gT=(e,t=[],r="")=>{for(let e=0;e<t.length;e++){const r=t[e];"function"==typeof r&&(t[e]=r.functionNode)}const s=new pT(e,t,r),i=(...e)=>s.call(...e);return i.functionNode=s,i};function mT(e){let t;const r=e.context.getViewZ;return void 0!==r&&(t=r(this)),(t||Jd.z).negate()}const fT=ln(([e,t],r)=>{const s=mT(r);return du(e,t,s)}),yT=ln(([e],t)=>{const r=mT(t);return e.mul(e,r,r).negate().exp().oneMinus()}),bT=ln(([e,t],r)=>{const s=mT(r),i=t.sub(Qd.y).max(0).toConst().mul(s).toConst();return e.mul(e,i,i).negate().exp().oneMinus()}),xT=ln(([e,t])=>An(t.toFloat().mix(na.rgb,e.toVec3()),na.a));let TT=null,_T=null;class vT extends li{static get type(){return"RangeNode"}constructor(e=mn(),t=mn()){super(),this.minNode=e,this.maxNode=t}getVectorLength(e){const t=this.getConstNode(this.minNode),r=this.getConstNode(this.maxNode),s=e.getTypeLength(js(t.value)),i=e.getTypeLength(js(r.value));return s>i?s:i}getNodeType(e){return e.object.count>1?e.getTypeFromLength(this.getVectorLength(e)):"float"}getConstNode(e){let t=null;if(e.traverse(e=>{!0===e.isConstNode&&(t=e)}),null===t)throw new Bl('THREE.TSL: No "ConstNode" found in node graph.',this.stackTrace);return t}setup(e){const t=e.object;let r=null;if(t.count>1){const i=this.getConstNode(this.minNode),n=this.getConstNode(this.maxNode),a=i.value,o=n.value,u=e.getTypeLength(js(a)),d=e.getTypeLength(js(o));TT=TT||new s,_T=_T||new s,TT.setScalar(0),_T.setScalar(0),1===u?TT.setScalar(a):a.isColor?TT.set(a.r,a.g,a.b,1):TT.set(a.x,a.y,a.z||0,a.w||0),1===d?_T.setScalar(o):o.isColor?_T.set(o.r,o.g,o.b,1):_T.set(o.x,o.y,o.z||0,o.w||0);const c=4,h=c*t.count,p=new Float32Array(h);for(let e=0;e<h;e++){const t=e%c,r=TT.getComponent(t),s=_T.getComponent(t);p[e]=l.lerp(r,s,Math.random())}const g=this.getNodeType(e);if(4*t.count*4<=e.getUniformBufferLimit())r=Ol(p,"vec4",t.count).element(dp).convert(g);else{const t=new W(p,4);e.geometry.setAttribute("__range"+this.id,t),r=tl(t).convert(g)}}else r=mn(0);return r}}const NT=sn(vT).setParameterLength(2);class ST extends li{static get type(){return"ComputeBuiltinNode"}constructor(e,t){super(t),this._builtinName=e}getHash(e){return this.getBuiltinName(e)}getNodeType(){return this.nodeType}setBuiltinName(e){return this._builtinName=e,this}getBuiltinName(){return this._builtinName}hasBuiltin(e){return e.hasBuiltin(this._builtinName)}generate(e,t){const r=this.getBuiltinName(e),s=this.getNodeType(e);return"compute"===e.shaderStage?e.format(r,s,t):(d(`ComputeBuiltinNode: Compute built-in value ${r} can not be accessed in the ${e.shaderStage} stage`),e.generateConst(s))}serialize(e){super.serialize(e),e.global=this.global,e._builtinName=this._builtinName}deserialize(e){super.deserialize(e),this.global=e.global,this._builtinName=e._builtinName}}const RT=(e,t)=>new ST(e,t),ET=RT("numWorkgroups","uvec3"),AT=RT("workgroupId","uvec3"),wT=RT("globalId","uvec3"),CT=RT("localId","uvec3"),MT=RT("subgroupSize","uint");class BT extends li{constructor(e){super(),this.scope=e}generate(e){const{scope:t}=this,{renderer:r}=e;!0===r.backend.isWebGLBackend?e.addFlowCode(`\t// ${t}Barrier \n`):e.addLineFlowCode(`${t}Barrier()`,this)}}const FT=sn(BT);class LT extends di{constructor(e,t){super(e,t),this.isWorkgroupInfoElementNode=!0}generate(e,t){let r;const s=e.context.assign;if(r=super.generate(e),!0!==s){const s=this.getNodeType(e);r=e.format(r,s,t)}return r}}class PT extends li{constructor(e,t,r=0){super(t),this.bufferType=t,this.bufferCount=r,this.isWorkgroupInfoNode=!0,this.elementType=t,this.scope=e,this.name=""}setName(e){return this.name=e,this}label(e){return d('TSL: "label()" has been deprecated. Use "setName()" instead.',new Ds),this.setName(e)}setScope(e){return this.scope=e,this}getElementType(){return this.elementType}getInputType(){return`${this.scope}Array`}element(e){return new LT(this,e)}generate(e){const t=""!==this.name?this.name:`${this.scope}Array_${this.id}`;return e.getScopedArray(t,this.scope.toLowerCase(),this.bufferType,this.bufferCount)}}class DT extends li{static get type(){return"AtomicFunctionNode"}constructor(e,t,r){super("uint"),this.method=e,this.pointerNode=t,this.valueNode=r,this.parents=!0}getInputType(e){return this.pointerNode.getNodeType(e)}getNodeType(e){return this.getInputType(e)}generate(e){const t=e.getNodeProperties(this),r=t.parents,s=this.method,i=this.getNodeType(e),n=this.getInputType(e),a=this.pointerNode,o=this.valueNode,u=[];u.push(`&${a.build(e,n)}`),null!==o&&u.push(o.build(e,n));const l=`${e.getMethod(s,i)}( ${u.join(", ")} )`;if(!(!!r&&(1===r.length&&!0===r[0].isStackNode)))return void 0===t.constNode&&(t.constNode=ml(l,i).toConst()),t.constNode.build(e);e.addLineFlowCode(l,this)}}DT.ATOMIC_LOAD="atomicLoad",DT.ATOMIC_STORE="atomicStore",DT.ATOMIC_ADD="atomicAdd",DT.ATOMIC_SUB="atomicSub",DT.ATOMIC_MAX="atomicMax",DT.ATOMIC_MIN="atomicMin",DT.ATOMIC_AND="atomicAnd",DT.ATOMIC_OR="atomicOr",DT.ATOMIC_XOR="atomicXor";const UT=sn(DT),IT=(e,t,r)=>UT(e,t,r).toStack();class OT extends hi{static get type(){return"SubgroupFunctionNode"}constructor(e,t=null,r=null){super(),this.method=e,this.aNode=t,this.bNode=r}getInputType(e){const t=this.aNode?this.aNode.getNodeType(e):null,r=this.bNode?this.bNode.getNodeType(e):null;return(e.isMatrix(t)?0:e.getTypeLength(t))>(e.isMatrix(r)?0:e.getTypeLength(r))?t:r}getNodeType(e){const t=this.method;return t===OT.SUBGROUP_ELECT?"bool":t===OT.SUBGROUP_BALLOT?"uvec4":this.getInputType(e)}generate(e,t){const r=this.method,s=this.getNodeType(e),i=this.getInputType(e),n=this.aNode,a=this.bNode,o=[];if(r===OT.SUBGROUP_BROADCAST||r===OT.SUBGROUP_SHUFFLE||r===OT.QUAD_BROADCAST){const t=a.getNodeType(e);o.push(n.build(e,s),a.build(e,"float"===t?"int":s))}else r===OT.SUBGROUP_SHUFFLE_XOR||r===OT.SUBGROUP_SHUFFLE_DOWN||r===OT.SUBGROUP_SHUFFLE_UP?o.push(n.build(e,s),a.build(e,"uint")):(null!==n&&o.push(n.build(e,i)),null!==a&&o.push(a.build(e,i)));const u=0===o.length?"()":`( ${o.join(", ")} )`;return e.format(`${e.getMethod(r,s)}${u}`,s,t)}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}OT.SUBGROUP_ELECT="subgroupElect",OT.SUBGROUP_BALLOT="subgroupBallot",OT.SUBGROUP_ADD="subgroupAdd",OT.SUBGROUP_INCLUSIVE_ADD="subgroupInclusiveAdd",OT.SUBGROUP_EXCLUSIVE_AND="subgroupExclusiveAdd",OT.SUBGROUP_MUL="subgroupMul",OT.SUBGROUP_INCLUSIVE_MUL="subgroupInclusiveMul",OT.SUBGROUP_EXCLUSIVE_MUL="subgroupExclusiveMul",OT.SUBGROUP_AND="subgroupAnd",OT.SUBGROUP_OR="subgroupOr",OT.SUBGROUP_XOR="subgroupXor",OT.SUBGROUP_MIN="subgroupMin",OT.SUBGROUP_MAX="subgroupMax",OT.SUBGROUP_ALL="subgroupAll",OT.SUBGROUP_ANY="subgroupAny",OT.SUBGROUP_BROADCAST_FIRST="subgroupBroadcastFirst",OT.QUAD_SWAP_X="quadSwapX",OT.QUAD_SWAP_Y="quadSwapY",OT.QUAD_SWAP_DIAGONAL="quadSwapDiagonal",OT.SUBGROUP_BROADCAST="subgroupBroadcast",OT.SUBGROUP_SHUFFLE="subgroupShuffle",OT.SUBGROUP_SHUFFLE_XOR="subgroupShuffleXor",OT.SUBGROUP_SHUFFLE_UP="subgroupShuffleUp",OT.SUBGROUP_SHUFFLE_DOWN="subgroupShuffleDown",OT.QUAD_BROADCAST="quadBroadcast";const VT=an(OT,OT.SUBGROUP_ELECT).setParameterLength(0),kT=an(OT,OT.SUBGROUP_BALLOT).setParameterLength(1),GT=an(OT,OT.SUBGROUP_ADD).setParameterLength(1),zT=an(OT,OT.SUBGROUP_INCLUSIVE_ADD).setParameterLength(1),$T=an(OT,OT.SUBGROUP_EXCLUSIVE_AND).setParameterLength(1),WT=an(OT,OT.SUBGROUP_MUL).setParameterLength(1),HT=an(OT,OT.SUBGROUP_INCLUSIVE_MUL).setParameterLength(1),qT=an(OT,OT.SUBGROUP_EXCLUSIVE_MUL).setParameterLength(1),jT=an(OT,OT.SUBGROUP_AND).setParameterLength(1),XT=an(OT,OT.SUBGROUP_OR).setParameterLength(1),KT=an(OT,OT.SUBGROUP_XOR).setParameterLength(1),YT=an(OT,OT.SUBGROUP_MIN).setParameterLength(1),QT=an(OT,OT.SUBGROUP_MAX).setParameterLength(1),ZT=an(OT,OT.SUBGROUP_ALL).setParameterLength(0),JT=an(OT,OT.SUBGROUP_ANY).setParameterLength(0),e_=an(OT,OT.SUBGROUP_BROADCAST_FIRST).setParameterLength(2),t_=an(OT,OT.QUAD_SWAP_X).setParameterLength(1),r_=an(OT,OT.QUAD_SWAP_Y).setParameterLength(1),s_=an(OT,OT.QUAD_SWAP_DIAGONAL).setParameterLength(1),i_=an(OT,OT.SUBGROUP_BROADCAST).setParameterLength(2),n_=an(OT,OT.SUBGROUP_SHUFFLE).setParameterLength(2),a_=an(OT,OT.SUBGROUP_SHUFFLE_XOR).setParameterLength(2),o_=an(OT,OT.SUBGROUP_SHUFFLE_UP).setParameterLength(2),u_=an(OT,OT.SUBGROUP_SHUFFLE_DOWN).setParameterLength(2),l_=an(OT,OT.QUAD_BROADCAST).setParameterLength(1);let d_;function c_(e){d_=d_||new WeakMap;let t=d_.get(e);return void 0===t&&d_.set(e,t={}),t}function h_(e){const t=c_(e);return t.shadowMatrix||(t.shadowMatrix=va("mat4").setGroup(xa).onRenderUpdate(t=>(!0===e.castShadow&&!1!==t.renderer.shadowMap.enabled||(e.shadow.camera.coordinateSystem!==t.camera.coordinateSystem&&(e.shadow.camera.coordinateSystem=t.camera.coordinateSystem,e.shadow.camera.updateProjectionMatrix()),e.shadow.updateMatrices(e)),e.shadow.matrix)))}function p_(e,t=Qd){const r=h_(e).mul(t);return r.xyz.div(r.w)}function g_(e){const t=c_(e);return t.position||(t.position=va(new r).setGroup(xa).onRenderUpdate((t,r)=>r.value.setFromMatrixPosition(e.matrixWorld)))}function m_(e){const t=c_(e);return t.targetPosition||(t.targetPosition=va(new r).setGroup(xa).onRenderUpdate((t,r)=>r.value.setFromMatrixPosition(e.target.matrixWorld)))}function f_(e){const t=c_(e);return t.viewPosition||(t.viewPosition=va(new r).setGroup(xa).onRenderUpdate(({camera:t},s)=>{s.value=s.value||new r,s.value.setFromMatrixPosition(e.matrixWorld),s.value.applyMatrix4(t.matrixWorldInverse)}))}const y_=e=>_d.transformDirection(g_(e).sub(m_(e))),b_=(e,t)=>{for(const r of t)if(r.isAnalyticLightNode&&r.light.id===e)return r;return null},x_=new WeakMap,T_=[];class __ extends li{static get type(){return"LightsNode"}constructor(){super("vec3"),this.totalDiffuseNode=In("vec3","totalDiffuse"),this.totalSpecularNode=In("vec3","totalSpecular"),this.outgoingLightNode=In("vec3","outgoingLight"),this._lights=[],this._lightNodes=null,this._lightNodesHash=null,this.global=!0}customCacheKey(){const e=this._lights;for(let t=0;t<e.length;t++){const r=e[t];if(T_.push(r.id),T_.push(r.castShadow?1:0),!0===r.isSpotLight){const e=null!==r.map?r.map.id:-1,t=r.colorNode?r.colorNode.getCacheKey():-1;T_.push(e,t)}}const t=Os(T_);return T_.length=0,t}getHash(e){if(null===this._lightNodesHash){null===this._lightNodes&&this.setupLightsNode(e);const t=[];for(const e of this._lightNodes)t.push(e.getHash());this._lightNodesHash="lights-"+t.join(",")}return this._lightNodesHash}analyze(e){const t=e.getNodeProperties(this);for(const r of t.nodes)r.build(e);t.outputNode.build(e)}setupLightsNode(e){const t=[],r=this._lightNodes,s=(e=>e.sort((e,t)=>e.id-t.id))(this._lights),i=e.renderer.library;for(const e of s)if(e.isNode)t.push(Ji(e));else{let s=null;if(null!==r&&(s=b_(e.id,r)),null===s){const r=i.getLightNodeClass(e.constructor);if(null===r){d(`LightsNode.setupNodeLights: Light node not found for ${e.constructor.name}`);continue}let s=null;x_.has(e)?s=x_.get(e):(s=new r(e),x_.set(e,s)),t.push(s)}}this._lightNodes=t}setupDirectLight(e,t,r){const{lightingModel:s,reflectedLight:i}=e.context;s.direct({...r,lightNode:t,reflectedLight:i},e)}setupDirectRectAreaLight(e,t,r){const{lightingModel:s,reflectedLight:i}=e.context;s.directRectArea({...r,lightNode:t,reflectedLight:i},e)}setupLights(e,t){for(const r of t)r.build(e)}getLightNodes(e){return null===this._lightNodes&&this.setupLightsNode(e),this._lightNodes}setup(e){const t=e.lightsNode;e.lightsNode=this;let r=this.outgoingLightNode;const s=e.context,i=s.lightingModel,n=e.getNodeProperties(this);if(i){const{totalDiffuseNode:t,totalSpecularNode:a}=this;s.outgoingLight=r;const o=e.addStack();n.nodes=o.nodes,i.start(e);const{backdrop:u,backdropAlpha:l}=s,{directDiffuse:d,directSpecular:c,indirectDiffuse:h,indirectSpecular:p}=s.reflectedLight;let g=d.add(h);null!==u&&(g=Nn(null!==l?l.mix(g,u):u)),t.assign(g),a.assign(c.add(p)),r.assign(t.add(a)),i.finish(e),r=r.bypass(e.removeStack())}else n.nodes=[];return e.lightsNode=t,r}setLights(e){return this._lights=e,this._lightNodes=null,this._lightNodesHash=null,this}getLights(){return this._lights}get hasLights(){return this._lights.length>0}}class v_ extends li{static get type(){return"ShadowBaseNode"}constructor(e){super(),this.light=e,this.updateBeforeType=ei.RENDER,this.isShadowBaseNode=!0}setupShadowPosition({context:e,material:t}){N_.assign(t.receivedShadowPositionNode||e.shadowPositionWorld||Qd)}}const N_=In("vec3","shadowPositionWorld");function S_(t,r={}){return r.toneMapping=t.toneMapping,r.toneMappingExposure=t.toneMappingExposure,r.outputColorSpace=t.outputColorSpace,r.renderTarget=t.getRenderTarget(),r.activeCubeFace=t.getActiveCubeFace(),r.activeMipmapLevel=t.getActiveMipmapLevel(),r.renderObjectFunction=t.getRenderObjectFunction(),r.pixelRatio=t.getPixelRatio(),r.mrt=t.getMRT(),r.clearColor=t.getClearColor(r.clearColor||new e),r.clearAlpha=t.getClearAlpha(),r.autoClear=t.autoClear,r.scissorTest=t.getScissorTest(),r}function R_(e,t){return t=S_(e,t),e.setMRT(null),e.setRenderObjectFunction(null),e.setClearColor(0,1),e.autoClear=!0,t}function E_(e,t){e.toneMapping=t.toneMapping,e.toneMappingExposure=t.toneMappingExposure,e.outputColorSpace=t.outputColorSpace,e.setRenderTarget(t.renderTarget,t.activeCubeFace,t.activeMipmapLevel),e.setRenderObjectFunction(t.renderObjectFunction),e.setPixelRatio(t.pixelRatio),e.setMRT(t.mrt),e.setClearColor(t.clearColor,t.clearAlpha),e.autoClear=t.autoClear,e.setScissorTest(t.scissorTest)}function A_(e,t={}){return t.background=e.background,t.backgroundNode=e.backgroundNode,t.overrideMaterial=e.overrideMaterial,t}function w_(e,t){return t=A_(e,t),e.background=null,e.backgroundNode=null,e.overrideMaterial=null,t}function C_(e,t){e.background=t.background,e.backgroundNode=t.backgroundNode,e.overrideMaterial=t.overrideMaterial}function M_(e,t,r){return r=w_(t,r=R_(e,r))}function B_(e,t,r){E_(e,r),C_(t,r)}var F_=Object.freeze({__proto__:null,resetRendererAndSceneState:M_,resetRendererState:R_,resetSceneState:w_,restoreRendererAndSceneState:B_,restoreRendererState:E_,restoreSceneState:C_,saveRendererAndSceneState:function(e,t,r={}){return r=A_(t,r=S_(e,r))},saveRendererState:S_,saveSceneState:A_});const L_=new WeakMap,P_=ln(({depthTexture:e,shadowCoord:t,depthLayer:r})=>{let s=Dl(e,t.xy).setName("t_basic");return e.isArrayTexture&&(s=s.depth(r)),s.compare(t.z)}),D_=ln(({depthTexture:e,shadowCoord:t,shadow:r,depthLayer:s})=>{const i=(t,r)=>{let i=Dl(e,t);return e.isArrayTexture&&(i=i.depth(s)),i.compare(r)},n=Lc("mapSize","vec2",r).setGroup(xa),a=Lc("radius","float",r).setGroup(xa),o=xn(1).div(n),u=a.mul(o.x),l=mx(Yl.xy).mul(6.28318530718);return Ba(i(t.xy.add(fx(0,5,l).mul(u)),t.z),i(t.xy.add(fx(1,5,l).mul(u)),t.z),i(t.xy.add(fx(2,5,l).mul(u)),t.z),i(t.xy.add(fx(3,5,l).mul(u)),t.z),i(t.xy.add(fx(4,5,l).mul(u)),t.z)).mul(.2)}),U_=ln(({depthTexture:e,shadowCoord:t,shadow:r,depthLayer:s})=>{const i=(t,r)=>{let i=Dl(e,t);return e.isArrayTexture&&(i=i.depth(s)),i.compare(r)},n=Lc("mapSize","vec2",r).setGroup(xa),a=xn(1).div(n),o=a.x,u=a.y,l=t.xy,d=So(l.mul(n).add(.5));return l.subAssign(d.mul(a)),Ba(i(l,t.z),i(l.add(xn(o,0)),t.z),i(l.add(xn(0,u)),t.z),i(l.add(a),t.z),au(i(l.add(xn(o.negate(),0)),t.z),i(l.add(xn(o.mul(2),0)),t.z),d.x),au(i(l.add(xn(o.negate(),u)),t.z),i(l.add(xn(o.mul(2),u)),t.z),d.x),au(i(l.add(xn(0,u.negate())),t.z),i(l.add(xn(0,u.mul(2))),t.z),d.y),au(i(l.add(xn(o,u.negate())),t.z),i(l.add(xn(o,u.mul(2))),t.z),d.y),au(au(i(l.add(xn(o.negate(),u.negate())),t.z),i(l.add(xn(o.mul(2),u.negate())),t.z),d.x),au(i(l.add(xn(o.negate(),u.mul(2))),t.z),i(l.add(xn(o.mul(2),u.mul(2))),t.z),d.x),d.y)).mul(1/9)}),I_=ln(({depthTexture:e,shadowCoord:t,depthLayer:r},s)=>{let i=Dl(e).sample(t.xy);e.isArrayTexture&&(i=i.depth(r)),i=i.rg;const n=i.x,a=qo(1e-7,i.y.mul(i.y)),o=s.renderer.reversedDepthBuffer?jo(n,t.z):jo(t.z,n),u=mn(1).toVar();return hn(o.notEqual(1),()=>{const e=t.z.sub(n);let r=a.div(a.add(e.mul(e)));r=ou(Fa(r,.3).div(.65)),u.assign(qo(o,r))}),u}),O_=e=>{let t=L_.get(e);return void 0===t&&(t=new mg,t.colorNode=An(0,0,0,1),t.isShadowPassMaterial=!0,t.name="ShadowMaterial",t.blending=ee,t.fog=!1,L_.set(e,t)),t},V_=e=>{const t=L_.get(e);void 0!==t&&(t.dispose(),L_.delete(e))},k_=new gy,G_=[],z_=(e,t,r,s)=>{G_[0]=e,G_[1]=t;let i=k_.get(G_);return void 0!==i&&i.shadowType===r&&i.useVelocity===s||(i=(i,n,a,o,u,l,...d)=>{(!0===i.castShadow||i.receiveShadow&&r===Ye)&&(s&&(Ks(i).useVelocity=!0),i.onBeforeShadow(e,i,a,t.camera,o,n.overrideMaterial,l),e.renderObject(i,n,a,o,u,l,...d),i.onAfterShadow(e,i,a,t.camera,o,n.overrideMaterial,l))},i.shadowType=r,i.useVelocity=s,k_.set(G_,i)),G_[0]=null,G_[1]=null,i},$_=ln(({samples:e,radius:t,size:r,shadowPass:s,depthLayer:i})=>{const n=mn(0).toVar("meanVertical"),a=mn(0).toVar("squareMeanVertical"),o=e.lessThanEqual(mn(1)).select(mn(0),mn(2).div(e.sub(1))),u=e.lessThanEqual(mn(1)).select(mn(0),mn(-1));Rp({start:fn(0),end:fn(e),type:"int",condition:"<"},({i:e})=>{const l=u.add(mn(e).mul(o));let d=s.sample(Ba(Yl.xy,xn(0,l).mul(t)).div(r));s.value.isArrayTexture&&(d=d.depth(i)),d=d.x,n.addAssign(d),a.addAssign(d.mul(d))}),n.divAssign(e),a.divAssign(e);const l=xo(a.sub(n.mul(n)).max(0));return xn(n,l)}),W_=ln(({samples:e,radius:t,size:r,shadowPass:s,depthLayer:i})=>{const n=mn(0).toVar("meanHorizontal"),a=mn(0).toVar("squareMeanHorizontal"),o=e.lessThanEqual(mn(1)).select(mn(0),mn(2).div(e.sub(1))),u=e.lessThanEqual(mn(1)).select(mn(0),mn(-1));Rp({start:fn(0),end:fn(e),type:"int",condition:"<"},({i:e})=>{const l=u.add(mn(e).mul(o));let d=s.sample(Ba(Yl.xy,xn(l,0).mul(t)).div(r));s.value.isArrayTexture&&(d=d.depth(i)),n.addAssign(d.x),a.addAssign(Ba(d.y.mul(d.y),d.x.mul(d.x)))}),n.divAssign(e),a.divAssign(e);const l=xo(a.sub(n.mul(n)).max(0));return xn(n,l)}),H_=[P_,D_,U_,I_];let q_;const j_=new ux;class X_ extends v_{static get type(){return"ShadowNode"}constructor(e,t=null){super(e),this.shadow=t||e.shadow,this.shadowMap=null,this.vsmShadowMapVertical=null,this.vsmShadowMapHorizontal=null,this.vsmMaterialVertical=null,this.vsmMaterialHorizontal=null,this._node=null,this._currentShadowType=null,this._cameraFrameId=new WeakMap,this.isShadowNode=!0,this.depthLayer=0}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i,depthLayer:n}){const a=s.x.greaterThanEqual(0).and(s.x.lessThanEqual(1)).and(s.y.greaterThanEqual(0)).and(s.y.lessThanEqual(1)).and(s.z.lessThanEqual(1)),o=t({depthTexture:r,shadowCoord:s,shadow:i,depthLayer:n});return a.select(o,mn(1))}setupShadowCoord(e,t){const{shadow:r}=this,{renderer:s}=e,i=r.biasNode||Lc("bias","float",r).setGroup(xa);let n,a=t;if(r.camera.isOrthographicCamera||!0!==s.logarithmicDepthBuffer)a=a.xyz.div(a.w),n=a.z;else{const e=a.w;a=a.xy.div(e);const t=Lc("near","float",r.camera).setGroup(xa),s=Lc("far","float",r.camera).setGroup(xa);n=Qp(e.negate(),t,s)}return a=Nn(a.x,a.y.oneMinus(),s.reversedDepthBuffer?n.sub(i):n.add(i)),a}getShadowFilterFn(e){return H_[e]}setupRenderTarget(e,t){const r=new Y(e.mapSize.width,e.mapSize.height);r.name="ShadowDepthTexture",r.compareFunction=t.renderer.reversedDepthBuffer?Qe:Ze;const s=t.createRenderTarget(e.mapSize.width,e.mapSize.height);return s.texture.name="ShadowMap",s.texture.type=e.mapType,s.depthTexture=r,{shadowMap:s,depthTexture:r}}setupShadow(e){const{renderer:t,camera:r}=e,{light:s,shadow:i}=this,{depthTexture:n,shadowMap:a}=this.setupRenderTarget(i,e),o=t.shadowMap.type;if(o===Je||o===et?(n.minFilter=oe,n.magFilter=oe):(n.minFilter=w,n.magFilter=w),i.camera.coordinateSystem=r.coordinateSystem,i.camera.updateProjectionMatrix(),o===Ye&&!0!==i.isPointLightShadow){n.compareFunction=null,a.depth>1?(a._vsmShadowMapVertical||(a._vsmShadowMapVertical=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:G,type:be,depth:a.depth,depthBuffer:!1}),a._vsmShadowMapVertical.texture.name="VSMVertical"),this.vsmShadowMapVertical=a._vsmShadowMapVertical,a._vsmShadowMapHorizontal||(a._vsmShadowMapHorizontal=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:G,type:be,depth:a.depth,depthBuffer:!1}),a._vsmShadowMapHorizontal.texture.name="VSMHorizontal"),this.vsmShadowMapHorizontal=a._vsmShadowMapHorizontal):(this.vsmShadowMapVertical=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:G,type:be,depthBuffer:!1}),this.vsmShadowMapHorizontal=e.createRenderTarget(i.mapSize.width,i.mapSize.height,{format:G,type:be,depthBuffer:!1}));let t=Dl(n);n.isArrayTexture&&(t=t.depth(this.depthLayer));let r=Dl(this.vsmShadowMapVertical.texture);n.isArrayTexture&&(r=r.depth(this.depthLayer));const s=Lc("blurSamples","float",i).setGroup(xa),o=Lc("radius","float",i).setGroup(xa),u=Lc("mapSize","vec2",i).setGroup(xa);let l=this.vsmMaterialVertical||(this.vsmMaterialVertical=new mg);l.fragmentNode=$_({samples:s,radius:o,size:u,shadowPass:t,depthLayer:this.depthLayer}).context(e.getSharedContext()),l.name="VSMVertical",l=this.vsmMaterialHorizontal||(this.vsmMaterialHorizontal=new mg),l.fragmentNode=W_({samples:s,radius:o,size:u,shadowPass:r,depthLayer:this.depthLayer}).context(e.getSharedContext()),l.name="VSMHorizontal"}const u=Lc("intensity","float",i).setGroup(xa),l=Lc("normalBias","float",i).setGroup(xa),d=h_(s).mul(N_.add(cc.mul(l))),c=this.setupShadowCoord(e,d),h=i.filterNode||this.getShadowFilterFn(t.shadowMap.type)||null;if(null===h)throw new Error("THREE.WebGPURenderer: Shadow map type not supported yet.");const p=o===Ye&&!0!==i.isPointLightShadow?this.vsmShadowMapHorizontal.texture:n,g=this.setupShadowFilter(e,{filterFn:h,shadowTexture:a.texture,depthTexture:p,shadowCoord:c,shadow:i,depthLayer:this.depthLayer});let m,f;!0===t.shadowMap.transmitted&&(a.texture.isCubeTexture?m=Mc(a.texture,c.xyz):(m=Dl(a.texture,c),n.isArrayTexture&&(m=m.depth(this.depthLayer)))),f=m?au(1,g.rgb.mix(m,1),u.mul(m.a)).toVar():au(1,g,u).toVar(),this.shadowMap=a,this.shadow.map=a;const y=`${this.light.type} Shadow [ ${this.light.name||"ID: "+this.light.id} ]`;return m&&f.toInspector(`${y} / Color`,()=>this.shadowMap.texture.isCubeTexture?Mc(this.shadowMap.texture):Dl(this.shadowMap.texture)),f.toInspector(`${y} / Depth`,()=>this.shadowMap.texture.isCubeTexture?Mc(this.shadowMap.texture).r.oneMinus():Ul(this.shadowMap.depthTexture,El().mul(wl(Dl(this.shadowMap.depthTexture)))).r.oneMinus())}setup(e){if(!1!==e.renderer.shadowMap.enabled)return ln(()=>{const t=e.renderer.shadowMap.type;this._currentShadowType!==t&&(this._reset(),this._node=null);let r=this._node;return this.setupShadowPosition(e),null===r&&(this._node=r=this.setupShadow(e),this._currentShadowType=t),e.material.receivedShadowNode&&(r=e.material.receivedShadowNode(r)),r})()}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e;t.updateMatrices(s),r.setSize(t.mapSize.width,t.mapSize.height,r.depth);const a=n.name;n.name=`Shadow Map [ ${s.name||"ID: "+s.id} ]`,i.render(n,t.camera),n.name=a}updateShadow(e){const{shadowMap:t,light:r,shadow:s}=this,{renderer:i,scene:n,camera:a}=e,o=i.shadowMap.type,u=t.depthTexture.version;this._depthVersionCached=u;const l=s.camera.layers.mask;4294967294&s.camera.layers.mask||(s.camera.layers.mask=a.layers.mask);const d=i.getRenderObjectFunction(),c=i.getMRT(),h=!!c&&c.has("velocity");q_=M_(i,n,q_),n.overrideMaterial=O_(r),i.setRenderObjectFunction(z_(i,s,o,h)),i.setClearColor(0,0),i.setRenderTarget(t),this.renderShadow(e),i.setRenderObjectFunction(d),o===Ye&&!0!==s.isPointLightShadow&&this.vsmPass(i),s.camera.layers.mask=l,B_(i,n,q_)}vsmPass(e){const{shadow:t}=this,r=this.shadowMap.depth;this.vsmShadowMapVertical.setSize(t.mapSize.width,t.mapSize.height,r),this.vsmShadowMapHorizontal.setSize(t.mapSize.width,t.mapSize.height,r),e.setRenderTarget(this.vsmShadowMapVertical),j_.material=this.vsmMaterialVertical,j_.render(e),e.setRenderTarget(this.vsmShadowMapHorizontal),j_.material=this.vsmMaterialHorizontal,j_.render(e)}dispose(){this._reset(),super.dispose()}_reset(){this._currentShadowType=null,V_(this.light),this.shadowMap&&(this.shadowMap.dispose(),this.shadowMap=null),null!==this.vsmShadowMapVertical&&(this.vsmShadowMapVertical.dispose(),this.vsmShadowMapVertical=null,this.vsmMaterialVertical.dispose(),this.vsmMaterialVertical=null),null!==this.vsmShadowMapHorizontal&&(this.vsmShadowMapHorizontal.dispose(),this.vsmShadowMapHorizontal=null,this.vsmMaterialHorizontal.dispose(),this.vsmMaterialHorizontal=null)}updateBefore(e){const{shadow:t}=this;let r=t.needsUpdate||t.autoUpdate;r&&(this._cameraFrameId[e.camera]===e.frameId&&(r=!1),this._cameraFrameId[e.camera]=e.frameId),r&&(this.updateShadow(e),this.shadowMap.depthTexture.version===this._depthVersionCached&&(t.needsUpdate=!1))}}const K_=(e,t)=>new X_(e,t),Y_=new e,Q_=new a,Z_=new r,J_=new r,ev=[new r(1,0,0),new r(-1,0,0),new r(0,-1,0),new r(0,1,0),new r(0,0,1),new r(0,0,-1)],tv=[new r(0,-1,0),new r(0,-1,0),new r(0,0,-1),new r(0,0,1),new r(0,-1,0),new r(0,-1,0)],rv=[new r(1,0,0),new r(-1,0,0),new r(0,1,0),new r(0,-1,0),new r(0,0,1),new r(0,0,-1)],sv=[new r(0,-1,0),new r(0,-1,0),new r(0,0,1),new r(0,0,-1),new r(0,-1,0),new r(0,-1,0)],iv=ln(({depthTexture:e,bd3D:t,dp:r})=>Mc(e,t).compare(r)),nv=ln(({depthTexture:e,bd3D:t,dp:r,shadow:s})=>{const i=Lc("radius","float",s).setGroup(xa),n=Lc("mapSize","vec2",s).setGroup(xa),a=i.div(n.x),o=Bo(t),u=No(Zo(t,o.x.greaterThan(o.z).select(Nn(0,1,0),Nn(1,0,0)))),l=Zo(t,u),d=mx(Yl.xy).mul(6.28318530718),c=fx(0,5,d),h=fx(1,5,d),p=fx(2,5,d),g=fx(3,5,d),m=fx(4,5,d);return Mc(e,t.add(u.mul(c.x).add(l.mul(c.y)).mul(a))).compare(r).add(Mc(e,t.add(u.mul(h.x).add(l.mul(h.y)).mul(a))).compare(r)).add(Mc(e,t.add(u.mul(p.x).add(l.mul(p.y)).mul(a))).compare(r)).add(Mc(e,t.add(u.mul(g.x).add(l.mul(g.y)).mul(a))).compare(r)).add(Mc(e,t.add(u.mul(m.x).add(l.mul(m.y)).mul(a))).compare(r)).mul(.2)}),av=ln(({filterFn:e,depthTexture:t,shadowCoord:r,shadow:s},i)=>{const n=r.xyz.toConst(),a=n.abs().toConst(),o=a.x.max(a.y).max(a.z),u=va("float").setGroup(xa).onRenderUpdate(()=>s.camera.near),l=va("float").setGroup(xa).onRenderUpdate(()=>s.camera.far),d=Lc("bias","float",s).setGroup(xa),c=mn(1).toVar();return hn(o.sub(l).lessThanEqual(0).and(o.sub(u).greaterThanEqual(0)),()=>{let r;i.renderer.reversedDepthBuffer?(r=Kp(o.negate(),u,l),r.subAssign(d)):(r=Xp(o.negate(),u,l),r.addAssign(d));const a=n.normalize();c.assign(e({depthTexture:t,bd3D:a,dp:r,shadow:s}))}),c});class ov extends X_{static get type(){return"PointShadowNode"}constructor(e,t=null){super(e,t)}getShadowFilterFn(e){return e===tt?iv:nv}setupShadowCoord(e,t){return t}setupShadowFilter(e,{filterFn:t,depthTexture:r,shadowCoord:s,shadow:i}){return av({filterFn:t,depthTexture:r,shadowCoord:s,shadow:i})}setupRenderTarget(e,t){const r=new rt(e.mapSize.width);r.name="PointShadowDepthTexture",r.compareFunction=t.renderer.reversedDepthBuffer?Qe:Ze;const s=t.createCubeRenderTarget(e.mapSize.width);return s.texture.name="PointShadowMap",s.depthTexture=r,{shadowMap:s,depthTexture:r}}renderShadow(e){const{shadow:t,shadowMap:r,light:s}=this,{renderer:i,scene:n}=e,a=t.camera,o=t.matrix,u=i.coordinateSystem===h,l=u?ev:rv,d=u?tv:sv;r.setSize(t.mapSize.width,t.mapSize.width);const c=i.autoClear,p=i.getClearColor(Y_),g=i.getClearAlpha();i.autoClear=!1,i.setClearColor(t.clearColor,t.clearAlpha);for(let e=0;e<6;e++){i.setRenderTarget(r,e),i.clear();const u=s.distance||a.far;u!==a.far&&(a.far=u,a.updateProjectionMatrix()),Z_.setFromMatrixPosition(s.matrixWorld),a.position.copy(Z_),J_.copy(a.position),J_.add(l[e]),a.up.copy(d[e]),a.lookAt(J_),a.updateMatrixWorld(),o.makeTranslation(-Z_.x,-Z_.y,-Z_.z),Q_.multiplyMatrices(a.projectionMatrix,a.matrixWorldInverse),t._frustum.setFromProjectionMatrix(Q_,a.coordinateSystem,a.reversedDepth);const c=n.name;n.name=`Point Light Shadow [ ${s.name||"ID: "+s.id} ] - Face ${e+1}`,i.render(n,a),n.name=c}i.autoClear=c,i.setClearColor(p,g)}}const uv=(e,t)=>new ov(e,t);class lv extends Fp{static get type(){return"AnalyticLightNode"}constructor(t=null){super(),this.light=t,this.color=new e,this.colorNode=t&&t.colorNode||va(this.color).setGroup(xa),this.baseColorNode=null,this.shadowNode=null,this.shadowColorNode=null,this.isAnalyticLightNode=!0,this.updateType=ei.FRAME,t&&t.shadow&&(this._shadowDisposeListener=()=>{this.disposeShadow()},t.addEventListener("dispose",this._shadowDisposeListener))}dispose(){this._shadowDisposeListener&&this.light.removeEventListener("dispose",this._shadowDisposeListener),super.dispose()}disposeShadow(){null!==this.shadowNode&&(this.shadowNode.dispose(),this.shadowNode=null),this.shadowColorNode=null,null!==this.baseColorNode&&(this.colorNode=this.baseColorNode,this.baseColorNode=null)}getHash(){return this.light.uuid}getLightVector(e){return f_(this.light).sub(e.context.positionView||Jd)}setupDirect(){}setupDirectRectArea(){}setupShadowNode(){return K_(this.light)}setupShadow(e){const{renderer:t}=e;if(!1===t.shadowMap.enabled)return;let r=this.shadowColorNode;if(null===r){const e=this.light.shadow.shadowNode;let t;t=void 0!==e?Ji(e):this.setupShadowNode(),this.shadowNode=t,this.shadowColorNode=r=this.colorNode.mul(t),this.baseColorNode=this.colorNode}e.context.getShadow&&(r=e.context.getShadow(this,e)),this.colorNode=r}setup(e){this.colorNode=this.baseColorNode||this.colorNode,this.light.castShadow?e.object.receiveShadow&&this.setupShadow(e):null!==this.shadowNode&&(this.shadowNode.dispose(),this.shadowNode=null,this.shadowColorNode=null);const t=this.setupDirect(e),r=this.setupDirectRectArea(e);t&&e.lightsNode.setupDirectLight(e,this,t),r&&e.lightsNode.setupDirectRectAreaLight(e,this,r)}update(){const{light:e}=this;this.color.copy(e.color).multiplyScalar(e.intensity)}}const dv=ln(({lightDistance:e,cutoffDistance:t,decayExponent:r})=>{const s=e.pow(r).max(.01).reciprocal();return t.greaterThan(0).select(s.mul(e.div(t).pow4().oneMinus().clamp().pow2()),s)}),cv=({color:e,lightVector:t,cutoffDistance:r,decayExponent:s})=>{const i=t.normalize(),n=t.length(),a=dv({lightDistance:n,cutoffDistance:r,decayExponent:s});return{lightDirection:i,lightColor:e.mul(a)}};class hv extends lv{static get type(){return"PointLightNode"}constructor(e=null){super(e),this.cutoffDistanceNode=va(0).setGroup(xa),this.decayExponentNode=va(2).setGroup(xa)}update(e){const{light:t}=this;super.update(e),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}setupShadowNode(){return uv(this.light)}setupDirect(e){return cv({color:this.colorNode,lightVector:this.getLightVector(e),cutoffDistance:this.cutoffDistanceNode,decayExponent:this.decayExponentNode})}}const pv=ln(([e=El()])=>{const t=e.mul(2),r=t.x.floor(),s=t.y.floor();return r.add(s).mod(2).sign()}),gv=ln(([e=El()],{renderer:t,material:r})=>{const s=nu(e.mul(2).sub(1));let i;if(r.alphaToCoverage&&t.currentSamples>0){const e=mn(s.fwidth()).toVar();i=du(e.oneMinus(),e.add(1),s).oneMinus()}else i=xu(s.greaterThan(1),0,1);return i}),mv=ln(([e,t,r])=>{const s=mn(r).toVar(),i=mn(t).toVar(),n=bn(e).toVar();return xu(n,i,s)}).setLayout({name:"mx_select",type:"float",inputs:[{name:"b",type:"bool"},{name:"t",type:"float"},{name:"f",type:"float"}]}),fv=ln(([e,t])=>{const r=bn(t).toVar(),s=mn(e).toVar();return xu(r,s.negate(),s)}).setLayout({name:"mx_negate_if",type:"float",inputs:[{name:"val",type:"float"},{name:"b",type:"bool"}]}),yv=ln(([e])=>{const t=mn(e).toVar();return fn(_o(t))}).setLayout({name:"mx_floor",type:"int",inputs:[{name:"x",type:"float"}]}),bv=ln(([e,t])=>{const r=mn(e).toVar();return t.assign(yv(r)),r.sub(mn(t))}),xv=Lb([ln(([e,t,r,s,i,n])=>{const a=mn(n).toVar(),o=mn(i).toVar(),u=mn(s).toVar(),l=mn(r).toVar(),d=mn(t).toVar(),c=mn(e).toVar(),h=mn(Fa(1,o)).toVar();return Fa(1,a).mul(c.mul(h).add(d.mul(o))).add(a.mul(l.mul(h).add(u.mul(o))))}).setLayout({name:"mx_bilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"}]}),ln(([e,t,r,s,i,n])=>{const a=mn(n).toVar(),o=mn(i).toVar(),u=Nn(s).toVar(),l=Nn(r).toVar(),d=Nn(t).toVar(),c=Nn(e).toVar(),h=mn(Fa(1,o)).toVar();return Fa(1,a).mul(c.mul(h).add(d.mul(o))).add(a.mul(l.mul(h).add(u.mul(o))))}).setLayout({name:"mx_bilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"}]})]),Tv=Lb([ln(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=mn(d).toVar(),h=mn(l).toVar(),p=mn(u).toVar(),g=mn(o).toVar(),m=mn(a).toVar(),f=mn(n).toVar(),y=mn(i).toVar(),b=mn(s).toVar(),x=mn(r).toVar(),T=mn(t).toVar(),_=mn(e).toVar(),v=mn(Fa(1,p)).toVar(),N=mn(Fa(1,h)).toVar();return mn(Fa(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(x.mul(v).add(b.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))}).setLayout({name:"mx_trilerp_0",type:"float",inputs:[{name:"v0",type:"float"},{name:"v1",type:"float"},{name:"v2",type:"float"},{name:"v3",type:"float"},{name:"v4",type:"float"},{name:"v5",type:"float"},{name:"v6",type:"float"},{name:"v7",type:"float"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]}),ln(([e,t,r,s,i,n,a,o,u,l,d])=>{const c=mn(d).toVar(),h=mn(l).toVar(),p=mn(u).toVar(),g=Nn(o).toVar(),m=Nn(a).toVar(),f=Nn(n).toVar(),y=Nn(i).toVar(),b=Nn(s).toVar(),x=Nn(r).toVar(),T=Nn(t).toVar(),_=Nn(e).toVar(),v=mn(Fa(1,p)).toVar(),N=mn(Fa(1,h)).toVar();return mn(Fa(1,c)).toVar().mul(N.mul(_.mul(v).add(T.mul(p))).add(h.mul(x.mul(v).add(b.mul(p))))).add(c.mul(N.mul(y.mul(v).add(f.mul(p))).add(h.mul(m.mul(v).add(g.mul(p))))))}).setLayout({name:"mx_trilerp_1",type:"vec3",inputs:[{name:"v0",type:"vec3"},{name:"v1",type:"vec3"},{name:"v2",type:"vec3"},{name:"v3",type:"vec3"},{name:"v4",type:"vec3"},{name:"v5",type:"vec3"},{name:"v6",type:"vec3"},{name:"v7",type:"vec3"},{name:"s",type:"float"},{name:"t",type:"float"},{name:"r",type:"float"}]})]),_v=ln(([e,t,r])=>{const s=mn(r).toVar(),i=mn(t).toVar(),n=yn(e).toVar(),a=yn(n.bitAnd(yn(7))).toVar(),o=mn(mv(a.lessThan(yn(4)),i,s)).toVar(),u=mn(La(2,mv(a.lessThan(yn(4)),s,i))).toVar();return fv(o,bn(a.bitAnd(yn(1)))).add(fv(u,bn(a.bitAnd(yn(2)))))}).setLayout({name:"mx_gradient_float_0",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"}]}),vv=ln(([e,t,r,s])=>{const i=mn(s).toVar(),n=mn(r).toVar(),a=mn(t).toVar(),o=yn(e).toVar(),u=yn(o.bitAnd(yn(15))).toVar(),l=mn(mv(u.lessThan(yn(8)),a,n)).toVar(),d=mn(mv(u.lessThan(yn(4)),n,mv(u.equal(yn(12)).or(u.equal(yn(14))),a,i))).toVar();return fv(l,bn(u.bitAnd(yn(1)))).add(fv(d,bn(u.bitAnd(yn(2)))))}).setLayout({name:"mx_gradient_float_1",type:"float",inputs:[{name:"hash",type:"uint"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),Nv=Lb([_v,vv]),Sv=ln(([e,t,r])=>{const s=mn(r).toVar(),i=mn(t).toVar(),n=Rn(e).toVar();return Nn(Nv(n.x,i,s),Nv(n.y,i,s),Nv(n.z,i,s))}).setLayout({name:"mx_gradient_vec3_0",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"}]}),Rv=ln(([e,t,r,s])=>{const i=mn(s).toVar(),n=mn(r).toVar(),a=mn(t).toVar(),o=Rn(e).toVar();return Nn(Nv(o.x,a,n,i),Nv(o.y,a,n,i),Nv(o.z,a,n,i))}).setLayout({name:"mx_gradient_vec3_1",type:"vec3",inputs:[{name:"hash",type:"uvec3"},{name:"x",type:"float"},{name:"y",type:"float"},{name:"z",type:"float"}]}),Ev=Lb([Sv,Rv]),Av=ln(([e])=>{const t=mn(e).toVar();return La(.6616,t)}).setLayout({name:"mx_gradient_scale2d_0",type:"float",inputs:[{name:"v",type:"float"}]}),wv=ln(([e])=>{const t=mn(e).toVar();return La(.982,t)}).setLayout({name:"mx_gradient_scale3d_0",type:"float",inputs:[{name:"v",type:"float"}]}),Cv=Lb([Av,ln(([e])=>{const t=Nn(e).toVar();return La(.6616,t)}).setLayout({name:"mx_gradient_scale2d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),Mv=Lb([wv,ln(([e])=>{const t=Nn(e).toVar();return La(.982,t)}).setLayout({name:"mx_gradient_scale3d_1",type:"vec3",inputs:[{name:"v",type:"vec3"}]})]),Bv=ln(([e,t])=>{const r=fn(t).toVar(),s=yn(e).toVar();return s.shiftLeft(r).bitOr(s.shiftRight(fn(32).sub(r)))}).setLayout({name:"mx_rotl32",type:"uint",inputs:[{name:"x",type:"uint"},{name:"k",type:"int"}]}),Fv=ln(([e,t,r])=>{e.subAssign(r),e.bitXorAssign(Bv(r,fn(4))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(Bv(e,fn(6))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(Bv(t,fn(8))),t.addAssign(e),e.subAssign(r),e.bitXorAssign(Bv(r,fn(16))),r.addAssign(t),t.subAssign(e),t.bitXorAssign(Bv(e,fn(19))),e.addAssign(r),r.subAssign(t),r.bitXorAssign(Bv(t,fn(4))),t.addAssign(e)}),Lv=ln(([e,t,r])=>{const s=yn(r).toVar(),i=yn(t).toVar(),n=yn(e).toVar();return s.bitXorAssign(i),s.subAssign(Bv(i,fn(14))),n.bitXorAssign(s),n.subAssign(Bv(s,fn(11))),i.bitXorAssign(n),i.subAssign(Bv(n,fn(25))),s.bitXorAssign(i),s.subAssign(Bv(i,fn(16))),n.bitXorAssign(s),n.subAssign(Bv(s,fn(4))),i.bitXorAssign(n),i.subAssign(Bv(n,fn(14))),s.bitXorAssign(i),s.subAssign(Bv(i,fn(24))),s}).setLayout({name:"mx_bjfinal",type:"uint",inputs:[{name:"a",type:"uint"},{name:"b",type:"uint"},{name:"c",type:"uint"}]}),Pv=ln(([e])=>{const t=yn(e).toVar();return mn(t).div(mn(yn(fn(4294967295))))}).setLayout({name:"mx_bits_to_01",type:"float",inputs:[{name:"bits",type:"uint"}]}),Dv=ln(([e])=>{const t=mn(e).toVar();return t.mul(t).mul(t).mul(t.mul(t.mul(6).sub(15)).add(10))}).setLayout({name:"mx_fade",type:"float",inputs:[{name:"t",type:"float"}]}),Uv=Lb([ln(([e])=>{const t=fn(e).toVar(),r=yn(yn(1)).toVar(),s=yn(yn(fn(3735928559)).add(r.shiftLeft(yn(2))).add(yn(13))).toVar();return Lv(s.add(yn(t)),s,s)}).setLayout({name:"mx_hash_int_0",type:"uint",inputs:[{name:"x",type:"int"}]}),ln(([e,t])=>{const r=fn(t).toVar(),s=fn(e).toVar(),i=yn(yn(2)).toVar(),n=yn().toVar(),a=yn().toVar(),o=yn().toVar();return n.assign(a.assign(o.assign(yn(fn(3735928559)).add(i.shiftLeft(yn(2))).add(yn(13))))),n.addAssign(yn(s)),a.addAssign(yn(r)),Lv(n,a,o)}).setLayout({name:"mx_hash_int_1",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),ln(([e,t,r])=>{const s=fn(r).toVar(),i=fn(t).toVar(),n=fn(e).toVar(),a=yn(yn(3)).toVar(),o=yn().toVar(),u=yn().toVar(),l=yn().toVar();return o.assign(u.assign(l.assign(yn(fn(3735928559)).add(a.shiftLeft(yn(2))).add(yn(13))))),o.addAssign(yn(n)),u.addAssign(yn(i)),l.addAssign(yn(s)),Lv(o,u,l)}).setLayout({name:"mx_hash_int_2",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]}),ln(([e,t,r,s])=>{const i=fn(s).toVar(),n=fn(r).toVar(),a=fn(t).toVar(),o=fn(e).toVar(),u=yn(yn(4)).toVar(),l=yn().toVar(),d=yn().toVar(),c=yn().toVar();return l.assign(d.assign(c.assign(yn(fn(3735928559)).add(u.shiftLeft(yn(2))).add(yn(13))))),l.addAssign(yn(o)),d.addAssign(yn(a)),c.addAssign(yn(n)),Fv(l,d,c),l.addAssign(yn(i)),Lv(l,d,c)}).setLayout({name:"mx_hash_int_3",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"}]}),ln(([e,t,r,s,i])=>{const n=fn(i).toVar(),a=fn(s).toVar(),o=fn(r).toVar(),u=fn(t).toVar(),l=fn(e).toVar(),d=yn(yn(5)).toVar(),c=yn().toVar(),h=yn().toVar(),p=yn().toVar();return c.assign(h.assign(p.assign(yn(fn(3735928559)).add(d.shiftLeft(yn(2))).add(yn(13))))),c.addAssign(yn(l)),h.addAssign(yn(u)),p.addAssign(yn(o)),Fv(c,h,p),c.addAssign(yn(a)),h.addAssign(yn(n)),Lv(c,h,p)}).setLayout({name:"mx_hash_int_4",type:"uint",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xx",type:"int"},{name:"yy",type:"int"}]})]),Iv=Lb([ln(([e,t])=>{const r=fn(t).toVar(),s=fn(e).toVar(),i=yn(Uv(s,r)).toVar(),n=Rn().toVar();return n.x.assign(i.bitAnd(fn(255))),n.y.assign(i.shiftRight(fn(8)).bitAnd(fn(255))),n.z.assign(i.shiftRight(fn(16)).bitAnd(fn(255))),n}).setLayout({name:"mx_hash_vec3_0",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"}]}),ln(([e,t,r])=>{const s=fn(r).toVar(),i=fn(t).toVar(),n=fn(e).toVar(),a=yn(Uv(n,i,s)).toVar(),o=Rn().toVar();return o.x.assign(a.bitAnd(fn(255))),o.y.assign(a.shiftRight(fn(8)).bitAnd(fn(255))),o.z.assign(a.shiftRight(fn(16)).bitAnd(fn(255))),o}).setLayout({name:"mx_hash_vec3_1",type:"uvec3",inputs:[{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"}]})]),Ov=Lb([ln(([e])=>{const t=xn(e).toVar(),r=fn().toVar(),s=fn().toVar(),i=mn(bv(t.x,r)).toVar(),n=mn(bv(t.y,s)).toVar(),a=mn(Dv(i)).toVar(),o=mn(Dv(n)).toVar(),u=mn(xv(Nv(Uv(r,s),i,n),Nv(Uv(r.add(fn(1)),s),i.sub(1),n),Nv(Uv(r,s.add(fn(1))),i,n.sub(1)),Nv(Uv(r.add(fn(1)),s.add(fn(1))),i.sub(1),n.sub(1)),a,o)).toVar();return Cv(u)}).setLayout({name:"mx_perlin_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"}]}),ln(([e])=>{const t=Nn(e).toVar(),r=fn().toVar(),s=fn().toVar(),i=fn().toVar(),n=mn(bv(t.x,r)).toVar(),a=mn(bv(t.y,s)).toVar(),o=mn(bv(t.z,i)).toVar(),u=mn(Dv(n)).toVar(),l=mn(Dv(a)).toVar(),d=mn(Dv(o)).toVar(),c=mn(Tv(Nv(Uv(r,s,i),n,a,o),Nv(Uv(r.add(fn(1)),s,i),n.sub(1),a,o),Nv(Uv(r,s.add(fn(1)),i),n,a.sub(1),o),Nv(Uv(r.add(fn(1)),s.add(fn(1)),i),n.sub(1),a.sub(1),o),Nv(Uv(r,s,i.add(fn(1))),n,a,o.sub(1)),Nv(Uv(r.add(fn(1)),s,i.add(fn(1))),n.sub(1),a,o.sub(1)),Nv(Uv(r,s.add(fn(1)),i.add(fn(1))),n,a.sub(1),o.sub(1)),Nv(Uv(r.add(fn(1)),s.add(fn(1)),i.add(fn(1))),n.sub(1),a.sub(1),o.sub(1)),u,l,d)).toVar();return Mv(c)}).setLayout({name:"mx_perlin_noise_float_1",type:"float",inputs:[{name:"p",type:"vec3"}]})]),Vv=Lb([ln(([e])=>{const t=xn(e).toVar(),r=fn().toVar(),s=fn().toVar(),i=mn(bv(t.x,r)).toVar(),n=mn(bv(t.y,s)).toVar(),a=mn(Dv(i)).toVar(),o=mn(Dv(n)).toVar(),u=Nn(xv(Ev(Iv(r,s),i,n),Ev(Iv(r.add(fn(1)),s),i.sub(1),n),Ev(Iv(r,s.add(fn(1))),i,n.sub(1)),Ev(Iv(r.add(fn(1)),s.add(fn(1))),i.sub(1),n.sub(1)),a,o)).toVar();return Cv(u)}).setLayout({name:"mx_perlin_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"vec2"}]}),ln(([e])=>{const t=Nn(e).toVar(),r=fn().toVar(),s=fn().toVar(),i=fn().toVar(),n=mn(bv(t.x,r)).toVar(),a=mn(bv(t.y,s)).toVar(),o=mn(bv(t.z,i)).toVar(),u=mn(Dv(n)).toVar(),l=mn(Dv(a)).toVar(),d=mn(Dv(o)).toVar(),c=Nn(Tv(Ev(Iv(r,s,i),n,a,o),Ev(Iv(r.add(fn(1)),s,i),n.sub(1),a,o),Ev(Iv(r,s.add(fn(1)),i),n,a.sub(1),o),Ev(Iv(r.add(fn(1)),s.add(fn(1)),i),n.sub(1),a.sub(1),o),Ev(Iv(r,s,i.add(fn(1))),n,a,o.sub(1)),Ev(Iv(r.add(fn(1)),s,i.add(fn(1))),n.sub(1),a,o.sub(1)),Ev(Iv(r,s.add(fn(1)),i.add(fn(1))),n,a.sub(1),o.sub(1)),Ev(Iv(r.add(fn(1)),s.add(fn(1)),i.add(fn(1))),n.sub(1),a.sub(1),o.sub(1)),u,l,d)).toVar();return Mv(c)}).setLayout({name:"mx_perlin_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec3"}]})]),kv=Lb([ln(([e])=>{const t=mn(e).toVar(),r=fn(yv(t)).toVar();return Pv(Uv(r))}).setLayout({name:"mx_cell_noise_float_0",type:"float",inputs:[{name:"p",type:"float"}]}),ln(([e])=>{const t=xn(e).toVar(),r=fn(yv(t.x)).toVar(),s=fn(yv(t.y)).toVar();return Pv(Uv(r,s))}).setLayout({name:"mx_cell_noise_float_1",type:"float",inputs:[{name:"p",type:"vec2"}]}),ln(([e])=>{const t=Nn(e).toVar(),r=fn(yv(t.x)).toVar(),s=fn(yv(t.y)).toVar(),i=fn(yv(t.z)).toVar();return Pv(Uv(r,s,i))}).setLayout({name:"mx_cell_noise_float_2",type:"float",inputs:[{name:"p",type:"vec3"}]}),ln(([e])=>{const t=An(e).toVar(),r=fn(yv(t.x)).toVar(),s=fn(yv(t.y)).toVar(),i=fn(yv(t.z)).toVar(),n=fn(yv(t.w)).toVar();return Pv(Uv(r,s,i,n))}).setLayout({name:"mx_cell_noise_float_3",type:"float",inputs:[{name:"p",type:"vec4"}]})]),Gv=Lb([ln(([e])=>{const t=mn(e).toVar(),r=fn(yv(t)).toVar();return Nn(Pv(Uv(r,fn(0))),Pv(Uv(r,fn(1))),Pv(Uv(r,fn(2))))}).setLayout({name:"mx_cell_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"float"}]}),ln(([e])=>{const t=xn(e).toVar(),r=fn(yv(t.x)).toVar(),s=fn(yv(t.y)).toVar();return Nn(Pv(Uv(r,s,fn(0))),Pv(Uv(r,s,fn(1))),Pv(Uv(r,s,fn(2))))}).setLayout({name:"mx_cell_noise_vec3_1",type:"vec3",inputs:[{name:"p",type:"vec2"}]}),ln(([e])=>{const t=Nn(e).toVar(),r=fn(yv(t.x)).toVar(),s=fn(yv(t.y)).toVar(),i=fn(yv(t.z)).toVar();return Nn(Pv(Uv(r,s,i,fn(0))),Pv(Uv(r,s,i,fn(1))),Pv(Uv(r,s,i,fn(2))))}).setLayout({name:"mx_cell_noise_vec3_2",type:"vec3",inputs:[{name:"p",type:"vec3"}]}),ln(([e])=>{const t=An(e).toVar(),r=fn(yv(t.x)).toVar(),s=fn(yv(t.y)).toVar(),i=fn(yv(t.z)).toVar(),n=fn(yv(t.w)).toVar();return Nn(Pv(Uv(r,s,i,n,fn(0))),Pv(Uv(r,s,i,n,fn(1))),Pv(Uv(r,s,i,n,fn(2))))}).setLayout({name:"mx_cell_noise_vec3_3",type:"vec3",inputs:[{name:"p",type:"vec4"}]})]),zv=ln(([e,t,r,s])=>{const i=mn(s).toVar(),n=mn(r).toVar(),a=fn(t).toVar(),o=Nn(e).toVar(),u=mn(0).toVar(),l=mn(1).toVar();return Rp(a,()=>{u.addAssign(l.mul(Ov(o))),l.mulAssign(i),o.mulAssign(n)}),u}).setLayout({name:"mx_fractal_noise_float",type:"float",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),$v=ln(([e,t,r,s])=>{const i=mn(s).toVar(),n=mn(r).toVar(),a=fn(t).toVar(),o=Nn(e).toVar(),u=Nn(0).toVar(),l=mn(1).toVar();return Rp(a,()=>{u.addAssign(l.mul(Vv(o))),l.mulAssign(i),o.mulAssign(n)}),u}).setLayout({name:"mx_fractal_noise_vec3",type:"vec3",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),Wv=ln(([e,t,r,s])=>{const i=mn(s).toVar(),n=mn(r).toVar(),a=fn(t).toVar(),o=Nn(e).toVar();return xn(zv(o,a,n,i),zv(o.add(Nn(fn(19),fn(193),fn(17))),a,n,i))}).setLayout({name:"mx_fractal_noise_vec2",type:"vec2",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),Hv=ln(([e,t,r,s])=>{const i=mn(s).toVar(),n=mn(r).toVar(),a=fn(t).toVar(),o=Nn(e).toVar(),u=Nn($v(o,a,n,i)).toVar(),l=mn(zv(o.add(Nn(fn(19),fn(193),fn(17))),a,n,i)).toVar();return An(u,l)}).setLayout({name:"mx_fractal_noise_vec4",type:"vec4",inputs:[{name:"p",type:"vec3"},{name:"octaves",type:"int"},{name:"lacunarity",type:"float"},{name:"diminish",type:"float"}]}),qv=Lb([ln(([e,t,r,s,i,n,a])=>{const o=fn(a).toVar(),u=mn(n).toVar(),l=fn(i).toVar(),d=fn(s).toVar(),c=fn(r).toVar(),h=fn(t).toVar(),p=xn(e).toVar(),g=Nn(Gv(xn(h.add(d),c.add(l)))).toVar(),m=xn(g.x,g.y).toVar();m.subAssign(.5),m.mulAssign(u),m.addAssign(.5);const f=xn(xn(mn(h),mn(c)).add(m)).toVar(),y=xn(f.sub(p)).toVar();return hn(o.equal(fn(2)),()=>Bo(y.x).add(Bo(y.y))),hn(o.equal(fn(3)),()=>qo(Bo(y.x),Bo(y.y))),Qo(y,y)}).setLayout({name:"mx_worley_distance_0",type:"float",inputs:[{name:"p",type:"vec2"},{name:"x",type:"int"},{name:"y",type:"int"},{name:"xoff",type:"int"},{name:"yoff",type:"int"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),ln(([e,t,r,s,i,n,a,o,u])=>{const l=fn(u).toVar(),d=mn(o).toVar(),c=fn(a).toVar(),h=fn(n).toVar(),p=fn(i).toVar(),g=fn(s).toVar(),m=fn(r).toVar(),f=fn(t).toVar(),y=Nn(e).toVar(),b=Nn(Gv(Nn(f.add(p),m.add(h),g.add(c)))).toVar();b.subAssign(.5),b.mulAssign(d),b.addAssign(.5);const x=Nn(Nn(mn(f),mn(m),mn(g)).add(b)).toVar(),T=Nn(x.sub(y)).toVar();return hn(l.equal(fn(2)),()=>Bo(T.x).add(Bo(T.y)).add(Bo(T.z))),hn(l.equal(fn(3)),()=>qo(Bo(T.x),Bo(T.y),Bo(T.z))),Qo(T,T)}).setLayout({name:"mx_worley_distance_1",type:"float",inputs:[{name:"p",type:"vec3"},{name:"x",type:"int"},{name:"y",type:"int"},{name:"z",type:"int"},{name:"xoff",type:"int"},{name:"yoff",type:"int"},{name:"zoff",type:"int"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),jv=ln(([e,t,r])=>{const s=fn(r).toVar(),i=mn(t).toVar(),n=xn(e).toVar(),a=fn().toVar(),o=fn().toVar(),u=xn(bv(n.x,a),bv(n.y,o)).toVar(),l=mn(1e6).toVar();return Rp({start:-1,end:fn(1),name:"x",condition:"<="},({x:e})=>{Rp({start:-1,end:fn(1),name:"y",condition:"<="},({y:t})=>{const r=mn(qv(u,e,t,a,o,i,s)).toVar();l.assign(Ho(l,r))})}),hn(s.equal(fn(0)),()=>{l.assign(xo(l))}),l}).setLayout({name:"mx_worley_noise_float_0",type:"float",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),Xv=ln(([e,t,r])=>{const s=fn(r).toVar(),i=mn(t).toVar(),n=xn(e).toVar(),a=fn().toVar(),o=fn().toVar(),u=xn(bv(n.x,a),bv(n.y,o)).toVar(),l=xn(1e6,1e6).toVar();return Rp({start:-1,end:fn(1),name:"x",condition:"<="},({x:e})=>{Rp({start:-1,end:fn(1),name:"y",condition:"<="},({y:t})=>{const r=mn(qv(u,e,t,a,o,i,s)).toVar();hn(r.lessThan(l.x),()=>{l.y.assign(l.x),l.x.assign(r)}).ElseIf(r.lessThan(l.y),()=>{l.y.assign(r)})})}),hn(s.equal(fn(0)),()=>{l.assign(xo(l))}),l}).setLayout({name:"mx_worley_noise_vec2_0",type:"vec2",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),Kv=ln(([e,t,r])=>{const s=fn(r).toVar(),i=mn(t).toVar(),n=xn(e).toVar(),a=fn().toVar(),o=fn().toVar(),u=xn(bv(n.x,a),bv(n.y,o)).toVar(),l=Nn(1e6,1e6,1e6).toVar();return Rp({start:-1,end:fn(1),name:"x",condition:"<="},({x:e})=>{Rp({start:-1,end:fn(1),name:"y",condition:"<="},({y:t})=>{const r=mn(qv(u,e,t,a,o,i,s)).toVar();hn(r.lessThan(l.x),()=>{l.z.assign(l.y),l.y.assign(l.x),l.x.assign(r)}).ElseIf(r.lessThan(l.y),()=>{l.z.assign(l.y),l.y.assign(r)}).ElseIf(r.lessThan(l.z),()=>{l.z.assign(r)})})}),hn(s.equal(fn(0)),()=>{l.assign(xo(l))}),l}).setLayout({name:"mx_worley_noise_vec3_0",type:"vec3",inputs:[{name:"p",type:"vec2"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]}),Yv=Lb([jv,ln(([e,t,r])=>{const s=fn(r).toVar(),i=mn(t).toVar(),n=Nn(e).toVar(),a=fn().toVar(),o=fn().toVar(),u=fn().toVar(),l=Nn(bv(n.x,a),bv(n.y,o),bv(n.z,u)).toVar(),d=mn(1e6).toVar();return Rp({start:-1,end:fn(1),name:"x",condition:"<="},({x:e})=>{Rp({start:-1,end:fn(1),name:"y",condition:"<="},({y:t})=>{Rp({start:-1,end:fn(1),name:"z",condition:"<="},({z:r})=>{const n=mn(qv(l,e,t,r,a,o,u,i,s)).toVar();d.assign(Ho(d,n))})})}),hn(s.equal(fn(0)),()=>{d.assign(xo(d))}),d}).setLayout({name:"mx_worley_noise_float_1",type:"float",inputs:[{name:"p",type:"vec3"},{name:"jitter",type:"float"},{name:"metric",type:"int"}]})]),Qv=Lb([Xv,ln(([e,t,r])=>{const s=fn(r).toVar(),i=mn(t).toVar(),n=Nn(e).toVar(),a=fn().toVar(),o=fn().toVar(),u=fn().toVar(),l=Nn(bv(n.x,a),bv(n.y,o),bv(n.z,u)).toVar(),d=xn(1e6,1e6).toVar();return Rp({start:-1,end:fn(1),name:"x",condition:"<="},({x:e})=>{Rp({start:-1,end:fn(1),name:"y",condition:"<="},({y:t})=>{Rp({start:-1,end:fn(1),name:"z",condition:"<="},({z:r})=>{const 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Map,GN.set(i,n));const a=Is(r);if(s=n.get(a),void 0===s)s=new pN(e,t,this.bindingsIndexes[e].group),n.set(a,s);else for(let e=0;e<t.length;e++)s.bindings[e].visibility|=t[e].visibility}else s=new pN(e,t,this.bindingsIndexes[e].group);return s}getBindGroupArray(e,t){const r=this.bindings[t];let s=r[e];return void 0===s&&(void 0===this.bindingsIndexes[e]&&(this.bindingsIndexes[e]={binding:0,group:Object.keys(this.bindingsIndexes).length}),r[e]=s=[]),s}getBindings(){let e=this.bindGroups;if(null===e){const t={},r=this.bindings;for(const e of ni)for(const s in r[e]){const i=r[e][s],n=t[s]||(t[s]=[]);for(const e of i)!1===n.includes(e)&&n.push(e)}e=[];for(const r in t){const s=t[r],i=this._getBindGroup(r,s);e.push(i)}this.bindGroups=e}return e}sortBindingGroups(){const e=this.getBindings();e.sort((e,t)=>e.bindings[0].groupNode.order-t.bindings[0].groupNode.order);for(let t=0;t<e.length;t++){const r=e[t];this.bindingsIndexes[r.name].group=t,r.index=t}}setHashNode(e,t){this.hashNodes[t]=e}addNode(e){!1===this.nodes.includes(e)&&(this.nodes.push(e),this.setHashNode(e,e.getHash(this)))}addSequentialNode(e){const t=e.getUpdateBeforeType(),r=e.getUpdateAfterType();t===ei.NONE&&r===ei.NONE||!1===this.sequentialNodes.includes(e)&&this.sequentialNodes.push(e)}buildUpdateNodes(){for(const e of this.nodes){e.getUpdateType()!==ei.NONE&&this.updateNodes.push(e)}for(const e of this.sequentialNodes){const t=e.getUpdateBeforeType(),r=e.getUpdateAfterType();t!==ei.NONE&&this.updateBeforeNodes.push(e),r!==ei.NONE&&this.updateAfterNodes.push(e)}}get currentNode(){return this.chaining[this.chaining.length-1]}isFilteredTexture(e){return e.magFilter===oe||e.magFilter===it||e.magFilter===nt||e.magFilter===K||e.minFilter===oe||e.minFilter===it||e.minFilter===nt||e.minFilter===K}getUniformBufferLimit(){return 16384}addChain(e){this.chaining.push(e)}removeChain(e){if(this.chaining.pop()!==e)throw new Error("NodeBuilder: Invalid node chaining!")}getMethod(e){return e}getTernary(){return null}getNodeFromHash(e){return this.hashNodes[e]}addFlow(e,t){return this.flowNodes[e].push(t),t}setContext(e){this.context=e}getContext(){return this.context}addContext(e){const t=this.getContext();return this.setContext({...this.context,...e}),t}getSharedContext(){const e={...this.context};return delete e.material,delete e.getUV,delete e.getOutput,delete e.getTextureLevel,delete e.getAO,delete e.getShadow,e}setCache(e){this.cache=e}getCache(){return this.cache}getCacheFromNode(e,t=!0){const r=this.getDataFromNode(e);return void 0===r.cache&&(r.cache=new _N(t?this.getCache():null)),r.cache}isAvailable(){return!1}getVertexIndex(){d("Abstract function.")}getInstanceIndex(){d("Abstract function.")}getDrawIndex(){d("Abstract function.")}getFrontFacing(){d("Abstract function.")}getFragCoord(){d("Abstract function.")}isFlipY(){return!1}increaseUsage(e){const t=this.getDataFromNode(e);return t.usageCount=void 0===t.usageCount?1:t.usageCount+1,t.usageCount}generateTexture(){d("Abstract function.")}generateTextureLod(){d("Abstract function.")}generateArrayDeclaration(e,t){return this.getType(e)+"[ "+t+" ]"}generateArray(e,t,r=null){let s=this.generateArrayDeclaration(e,t)+"( ";for(let i=0;i<t;i++){const n=r?r[i]:null;s+=null!==n?n.build(this,e):this.generateConst(e),i<t-1&&(s+=", ")}return s+=" )",s}generateStruct(e,t,r=null){const s=[];for(const e of t){const{name:t,type:i}=e;r&&r[t]&&r[t].isNode?s.push(r[t].build(this,i)):s.push(this.generateConst(i))}return e+"( "+s.join(", ")+" )"}generateConst(i,n=null){if(null===n&&("float"===i||"int"===i||"uint"===i?n=0:"bool"===i?n=!1:"color"===i?n=new e:"vec2"===i||"uvec2"===i||"ivec2"===i?n=new t:"vec3"===i||"uvec3"===i||"ivec3"===i?n=new r:"vec4"!==i&&"uvec4"!==i&&"ivec4"!==i||(n=new s)),"float"===i)return WN(n);if("int"===i)return`${Math.round(n)}`;if("uint"===i)return n>=0?`${Math.round(n)}u`:"0u";if("bool"===i)return n?"true":"false";if("color"===i)return`${this.getType("vec3")}( ${WN(n.r)}, ${WN(n.g)}, ${WN(n.b)} )`;const a=this.getTypeLength(i),o=this.getComponentType(i),u=e=>this.generateConst(o,e);if(2===a)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)} )`;if(3===a)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)}, ${u(n.z)} )`;if(4===a&&"mat2"!==i)return`${this.getType(i)}( ${u(n.x)}, ${u(n.y)}, ${u(n.z)}, ${u(n.w)} )`;if(a>=4&&n&&(n.isMatrix2||n.isMatrix3||n.isMatrix4))return`${this.getType(i)}( ${n.elements.map(u).join(", ")} )`;if(a>4)return`${this.getType(i)}()`;throw new Error(`NodeBuilder: Type '${i}' not found in generate constant attempt.`)}getType(e){return"color"===e?"vec3":e}hasGeometryAttribute(e){return this.geometry&&void 0!==this.geometry.getAttribute(e)}getAttribute(e,t){const r=this.attributes;for(const t of r)if(t.name===e)return t;const s=new mN(e,t);return this.registerDeclaration(s),r.push(s),s}getPropertyName(e){return e.name}isVector(e){return/vec\d/.test(e)}isMatrix(e){return/mat\d/.test(e)}isReference(e){return"void"===e||"property"===e||"sampler"===e||"samplerComparison"===e||"texture"===e||"cubeTexture"===e||"storageTexture"===e||"depthTexture"===e||"texture3D"===e}needsToWorkingColorSpace(){return!1}getComponentTypeFromTexture(e){const t=e.type;if(e.isDataTexture){if(t===R)return"int";if(t===S)return"uint"}return"float"}getElementType(e){return"mat2"===e?"vec2":"mat3"===e?"vec3":"mat4"===e?"vec4":this.getComponentType(e)}getComponentType(e){if("float"===(e=this.getVectorType(e))||"bool"===e||"int"===e||"uint"===e)return e;const t=/(b|i|u|)(vec|mat)([2-4])/.exec(e);return null===t?null:"b"===t[1]?"bool":"i"===t[1]?"int":"u"===t[1]?"uint":"float"}getVectorType(e){return"color"===e?"vec3":"texture"===e||"cubeTexture"===e||"storageTexture"===e||"texture3D"===e?"vec4":e}getTypeFromLength(e,t="float"){if(1===e)return t;let r=zs(e);const s="float"===t?"":t[0];return!0===/mat2/.test(t)&&(r=r.replace("vec","mat")),s+r}getTypeFromArray(e){return $N.get(e.constructor)}isInteger(e){return/int|uint|(i|u)vec/.test(e)}getTypeFromAttribute(e){let t=e;e.isInterleavedBufferAttribute&&(t=e.data);const r=t.array,s=e.itemSize,i=e.normalized;let n;return e instanceof at||!0===i||(n=this.getTypeFromArray(r)),this.getTypeFromLength(s,n)}getTypeLength(e){const t=this.getVectorType(e),r=/vec([2-4])/.exec(t);return null!==r?Number(r[1]):"float"===t||"bool"===t||"int"===t||"uint"===t?1:!0===/mat2/.test(e)?4:!0===/mat3/.test(e)?9:!0===/mat4/.test(e)?16:0}getVectorFromMatrix(e){return e.replace("mat","vec")}changeComponentType(e,t){return this.getTypeFromLength(this.getTypeLength(e),t)}getIntegerType(e){const t=this.getComponentType(e);return"int"===t||"uint"===t?e:this.changeComponentType(e,"int")}setActiveStack(e){this.activeStacks.push(e)}removeActiveStack(e){if(this.activeStacks[this.activeStacks.length-1]!==e)throw new Error("NodeBuilder: Invalid active stack removal.");this.activeStacks.pop()}getActiveStack(){return this.activeStacks[this.activeStacks.length-1]}getBaseStack(){return this.activeStacks[0]}addStack(){this.stack=Jy(this.stack);const e=cn();return this.stacks.push(e),dn(this.stack),this.stack}removeStack(){const e=this.stack;for(const t of e.nodes){this.getDataFromNode(t).stack=e}return this.stack=e.parent,dn(this.stacks.pop()),e}getDataFromNode(e,t=this.shaderStage,r=null){let s=(r=null===r?e.isGlobal(this)?this.globalCache:this.cache:r).getData(e);void 0===s&&(s={},r.setData(e,s)),void 0===s[t]&&(s[t]={});let i=s[t];const n=s.any?s.any.subBuilds:null,a=this.getClosestSubBuild(n);return a&&(void 0===i.subBuildsCache&&(i.subBuildsCache={}),i=i.subBuildsCache[a]||(i.subBuildsCache[a]={}),i.subBuilds=n),i}getNodeProperties(e,t="any"){const r=this.getDataFromNode(e,t);return r.properties||(r.properties={outputNode:null})}getBufferAttributeFromNode(e,t){const r=this.getDataFromNode(e,"vertex");let s=r.bufferAttribute;if(void 0===s){const i=this.uniforms.index++;s=new mN("nodeAttribute"+i,t,e),this.bufferAttributes.push(s),r.bufferAttribute=s}return s}getStructTypeNode(e,t=this.shaderStage){return this.types[t][e]||null}getStructTypeFromNode(e,t,r=null,s=this.shaderStage){const i=this.getDataFromNode(e,s,this.globalCache);let n=i.structType;if(void 0===n){const a=this.structs.index++;null===r&&(r="StructType"+a),n=new vN(r,t),this.structs[s].push(n),this.types[s][r]=e,i.structType=n}return n}getOutputStructTypeFromNode(e,t){const r=this.getStructTypeFromNode(e,t,"OutputType","fragment");return r.output=!0,r}getUniformFromNode(e,t,r=this.shaderStage,s=null){const i=this.getDataFromNode(e,r,this.globalCache);let n=i.uniform;if(void 0===n){const a=this.uniforms.index++;n=new fN(s||"nodeUniform"+a,t,e),this.uniforms[r].push(n),this.registerDeclaration(n),i.uniform=n}return n}getVarFromNode(e,t=null,r=e.getNodeType(this),s=this.shaderStage,i=!1){const n=this.getDataFromNode(e,s),a=this.getSubBuildProperty("variable",n.subBuilds);let o=n[a];if(void 0===o){const u=i?"_const":"_var",l=this.vars[s]||(this.vars[s]=[]),d=this.vars[u]||(this.vars[u]=0);null===t&&(t=(i?"nodeConst":"nodeVar")+d,this.vars[u]++),"variable"!==a&&(t=this.getSubBuildProperty(t,n.subBuilds));const c=e.getArrayCount(this);o=new yN(t,r,i,c),i||l.push(o),this.registerDeclaration(o),n[a]=o}return o}isDeterministic(e){if(e.isMathNode)return this.isDeterministic(e.aNode)&&(!e.bNode||this.isDeterministic(e.bNode))&&(!e.cNode||this.isDeterministic(e.cNode));if(e.isOperatorNode)return this.isDeterministic(e.aNode)&&(!e.bNode||this.isDeterministic(e.bNode));if(e.isArrayNode){if(null!==e.values)for(const t of e.values)if(!this.isDeterministic(t))return!1;return!0}return!!e.isConstNode}getVaryingFromNode(e,t=null,r=e.getNodeType(this),s=null,i=null){const n=this.getDataFromNode(e,"any"),a=this.getSubBuildProperty("varying",n.subBuilds);let o=n[a];if(void 0===o){const e=this.varyings,u=e.length;null===t&&(t="nodeVarying"+u),"varying"!==a&&(t=this.getSubBuildProperty(t,n.subBuilds)),o=new bN(t,r,s,i),e.push(o),this.registerDeclaration(o),n[a]=o}return o}registerDeclaration(e){const t=this.shaderStage,r=this.declarations[t]||(this.declarations[t]={}),s=this.getPropertyName(e);let i=1,n=s;for(;void 0!==r[n];)n=s+"_"+i++;i>1&&(e.name=n,d(`TSL: Declaration name '${s}' of '${e.type}' already in use. Renamed to '${n}'.`)),r[n]=e}getCodeFromNode(e,t,r=this.shaderStage){const s=this.getDataFromNode(e);let i=s.code;if(void 0===i){const e=this.codes[r]||(this.codes[r]=[]),n=e.length;i=new xN("nodeCode"+n,t),e.push(i),s.code=i}return i}addFlowCodeHierarchy(e,t){const{flowCodes:r,flowCodeBlock:s}=this.getDataFromNode(e);let i=!0,n=t;for(;n;){if(!0===s.get(n)){i=!1;break}n=this.getDataFromNode(n).parentNodeBlock}if(i)for(const e of r)this.addLineFlowCode(e)}addLineFlowCodeBlock(e,t,r){const s=this.getDataFromNode(e),i=s.flowCodes||(s.flowCodes=[]),n=s.flowCodeBlock||(s.flowCodeBlock=new WeakMap);i.push(t),n.set(r,!0)}addLineFlowCode(e,t=null){return""===e||(null!==t&&this.context.nodeBlock&&this.addLineFlowCodeBlock(t,e,this.context.nodeBlock),e=this.tab+e,/;\s*$/.test(e)||(e+=";\n"),this.flow.code+=e),this}addFlowCode(e){return this.flow.code+=e,this}addFlowTab(){return this.tab+="\t",this}removeFlowTab(){return this.tab=this.tab.slice(0,-1),this}getFlowData(e){return this.flowsData.get(e)}flowNode(e){const t=e.getNodeType(this),r=this.flowChildNode(e,t);return this.flowsData.set(e,r),r}addInclude(e){null!==this.currentFunctionNode&&this.currentFunctionNode.includes.push(e)}buildFunctionNode(e){const t=new pT,r=this.currentFunctionNode;return this.currentFunctionNode=t,t.code=this.buildFunctionCode(e),this.currentFunctionNode=r,t}flowShaderNode(e){const t=e.layout,r={[Symbol.iterator](){let e=0;const t=Object.values(this);return{next:()=>({value:t[e],done:e++>=t.length})}}};for(const e of t.inputs)r[e.name]=new Qy(e.type,e.name);e.layout=null;const s=e.call(r),i=this.flowStagesNode(s,t.type);return e.layout=t,i}flowBuildStage(e,t,r=null){const s=this.getBuildStage();this.setBuildStage(t);const i=e.build(this,r);return this.setBuildStage(s),i}flowStagesNode(e,t=null){const r=this.flow,s=this.vars,i=this.declarations,n=this.cache,a=this.buildStage,o=this.stack,u={code:""};this.flow=u,this.vars={},this.declarations={},this.cache=new _N,this.stack=Jy();for(const r of ii)this.setBuildStage(r),u.result=e.build(this,t);return u.vars=this.getVars(this.shaderStage),this.flow=r,this.vars=s,this.declarations=i,this.cache=n,this.stack=o,this.setBuildStage(a),u}getFunctionOperator(){return null}buildFunctionCode(){d("Abstract function.")}flowChildNode(e,t=null){const r=this.flow,s={code:""};return this.flow=s,s.result=e.build(this,t),this.flow=r,s}flowNodeFromShaderStage(e,t,r=null,s=null){const i=this.tab,n=this.cache,a=this.shaderStage,o=this.context;this.setShaderStage(e);const u={...this.context};delete u.nodeBlock,this.cache=this.globalCache,this.tab="\t",this.context=u;let l=null;if("generate"===this.buildStage){const i=this.flowChildNode(t,r);null!==s&&(i.code+=`${this.tab+s} = ${i.result};\n`),this.flowCode[e]=this.flowCode[e]+i.code,l=i}else l=t.build(this);return this.setShaderStage(a),this.cache=n,this.tab=i,this.context=o,l}getAttributesArray(){return this.attributes.concat(this.bufferAttributes)}getAttributes(){d("Abstract function.")}getVaryings(){d("Abstract function.")}getVar(e,t,r=null){return`${null!==r?this.generateArrayDeclaration(e,r):this.getType(e)} ${t}`}getVars(e){let t="";const r=this.vars[e];if(void 0!==r)for(const e of r)t+=`${this.getVar(e.type,e.name)}; `;return t}getUniforms(){d("Abstract function.")}getCodes(e){const t=this.codes[e];let r="";if(void 0!==t)for(const e of t)r+=e.code+"\n";return r}getHash(){return this.vertexShader+this.fragmentShader+this.computeShader}setShaderStage(e){this.shaderStage=e}getShaderStage(){return this.shaderStage}setBuildStage(e){this.buildStage=e}getBuildStage(){return this.buildStage}buildCode(){d("Abstract function.")}get subBuild(){return this.subBuildLayers[this.subBuildLayers.length-1]||null}addSubBuild(e){this.subBuildLayers.push(e)}removeSubBuild(){return this.subBuildLayers.pop()}getClosestSubBuild(e){let t;if(t=e&&e.isNode?e.isShaderCallNodeInternal?e.shaderNode.subBuilds:e.isStackNode?[e.subBuild]:this.getDataFromNode(e,"any").subBuilds:e instanceof Set?[...e]:e,!t)return null;const r=this.subBuildLayers;for(let e=t.length-1;e>=0;e--){const s=t[e];if(r.includes(s))return s}return null}getSubBuildOutput(e){return this.getSubBuildProperty("outputNode",e)}getSubBuildProperty(e="",t=null){let r,s;return r=null!==t?this.getClosestSubBuild(t):this.subBuildFn,s=r?e?r+"_"+e:r:e,s}build(){const{object:e,material:t,renderer:r}=this;if(null!==t){let e=r.library.fromMaterial(t);null===e&&(o(`NodeMaterial: Material "${t.type}" is not compatible.`),e=new mg),e.build(this)}else this.addFlow("compute",e);for(const e of ii){this.setBuildStage(e),this.context.position&&this.context.position.isNode&&this.flowNodeFromShaderStage("vertex",this.context.position);for(const t of ni){this.setShaderStage(t);const r=this.flowNodes[t];for(const t of r)"generate"===e?this.flowNode(t):t.build(this)}}return this.setBuildStage(null),this.setShaderStage(null),this.buildCode(),this.buildUpdateNodes(),this}getSharedDataFromNode(e){let t=zN.get(e);return void 0===t&&(t={}),t}getNodeUniform(e,t){const r=this.getSharedDataFromNode(e);let s=r.cache;if(void 0===s){if("float"===t||"int"===t||"uint"===t)s=new FN(e);else if("vec2"===t||"ivec2"===t||"uvec2"===t)s=new LN(e);else if("vec3"===t||"ivec3"===t||"uvec3"===t)s=new PN(e);else if("vec4"===t||"ivec4"===t||"uvec4"===t)s=new DN(e);else if("color"===t)s=new UN(e);else if("mat2"===t)s=new IN(e);else if("mat3"===t)s=new ON(e);else{if("mat4"!==t)throw new Error(`Uniform "${t}" not implemented.`);s=new VN(e)}r.cache=s}return s}format(e,t,r){if((t=this.getVectorType(t))===(r=this.getVectorType(r))||null===r||this.isReference(r))return e;const s=this.getTypeLength(t),i=this.getTypeLength(r);return 16===s&&9===i?`${this.getType(r)}( ${e}[ 0 ].xyz, ${e}[ 1 ].xyz, ${e}[ 2 ].xyz )`:9===s&&4===i?`${this.getType(r)}( ${e}[ 0 ].xy, ${e}[ 1 ].xy )`:s>4||i>4||0===i?e:s===i?`${this.getType(r)}( ${e} )`:s>i?(e="bool"===r?`all( ${e} )`:`${e}.${"xyz".slice(0,i)}`,this.format(e,this.getTypeFromLength(i,this.getComponentType(t)),r)):4===i&&s>1?`${this.getType(r)}( ${this.format(e,t,"vec3")}, 1.0 )`:2===s?`${this.getType(r)}( ${this.format(e,t,"vec2")}, 0.0 )`:(1===s&&i>1&&t!==this.getComponentType(r)&&(e=`${this.getType(this.getComponentType(r))}( ${e} )`),`${this.getType(r)}( ${e} )`)}getSignature(){return`// Three.js r${ot} - Node System\n`}needsPreviousData(){const e=this.renderer.getMRT();return e&&e.has("velocity")||!0===Ks(this.object).useVelocity}}class qN{constructor(){this.time=0,this.deltaTime=0,this.frameId=0,this.renderId=0,this.updateMap=new WeakMap,this.updateBeforeMap=new WeakMap,this.updateAfterMap=new WeakMap,this.renderer=null,this.material=null,this.camera=null,this.object=null,this.scene=null}_getMaps(e,t){let r=e.get(t);return void 0===r&&(r={renderId:0,frameId:0},e.set(t,r)),r}updateBeforeNode(e){const t=e.getUpdateBeforeType(),r=e.updateReference(this);if(t===ei.FRAME){const t=this._getMaps(this.updateBeforeMap,r);if(t.frameId!==this.frameId){const r=t.frameId;t.frameId=this.frameId,!1===e.updateBefore(this)&&(t.frameId=r)}}else if(t===ei.RENDER){const t=this._getMaps(this.updateBeforeMap,r);if(t.renderId!==this.renderId){const r=t.renderId;t.renderId=this.renderId,!1===e.updateBefore(this)&&(t.renderId=r)}}else t===ei.OBJECT&&e.updateBefore(this)}updateAfterNode(e){const t=e.getUpdateAfterType(),r=e.updateReference(this);if(t===ei.FRAME){const t=this._getMaps(this.updateAfterMap,r);t.frameId!==this.frameId&&!1!==e.updateAfter(this)&&(t.frameId=this.frameId)}else if(t===ei.RENDER){const t=this._getMaps(this.updateAfterMap,r);t.renderId!==this.renderId&&!1!==e.updateAfter(this)&&(t.renderId=this.renderId)}else t===ei.OBJECT&&e.updateAfter(this)}updateNode(e){const t=e.getUpdateType(),r=e.updateReference(this);if(t===ei.FRAME){const t=this._getMaps(this.updateMap,r);t.frameId!==this.frameId&&!1!==e.update(this)&&(t.frameId=this.frameId)}else if(t===ei.RENDER){const t=this._getMaps(this.updateMap,r);t.renderId!==this.renderId&&!1!==e.update(this)&&(t.renderId=this.renderId)}else t===ei.OBJECT&&e.update(this)}update(){this.frameId++,void 0===this.lastTime&&(this.lastTime=performance.now()),this.deltaTime=(performance.now()-this.lastTime)/1e3,this.lastTime=performance.now(),this.time+=this.deltaTime}}class jN{constructor(e,t,r=null,s="",i=!1){this.type=e,this.name=t,this.count=r,this.qualifier=s,this.isConst=i}}jN.isNodeFunctionInput=!0;class XN extends lv{static get type(){return"AmbientLightNode"}constructor(e=null){super(e)}setup({context:e}){e.irradiance.addAssign(this.colorNode)}}class KN extends lv{static get type(){return"DirectionalLightNode"}constructor(e=null){super(e)}setupDirect(){const e=this.colorNode;return{lightDirection:y_(this.light),lightColor:e}}}class YN extends lv{static get type(){return"HemisphereLightNode"}constructor(t=null){super(t),this.lightPositionNode=g_(t),this.lightDirectionNode=this.lightPositionNode.normalize(),this.groundColorNode=va(new e).setGroup(xa)}update(e){const{light:t}=this;super.update(e),this.lightPositionNode.object3d=t,this.groundColorNode.value.copy(t.groundColor).multiplyScalar(t.intensity)}setup(e){const{colorNode:t,groundColorNode:r,lightDirectionNode:s}=this,i=cc.dot(s).mul(.5).add(.5),n=au(r,t,i);e.context.irradiance.addAssign(n)}}class QN extends lv{static get type(){return"SpotLightNode"}constructor(e=null){super(e),this.coneCosNode=va(0).setGroup(xa),this.penumbraCosNode=va(0).setGroup(xa),this.cutoffDistanceNode=va(0).setGroup(xa),this.decayExponentNode=va(0).setGroup(xa),this.colorNode=va(this.color).setGroup(xa)}update(e){super.update(e);const{light:t}=this;this.coneCosNode.value=Math.cos(t.angle),this.penumbraCosNode.value=Math.cos(t.angle*(1-t.penumbra)),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}getSpotAttenuation(e,t){const{coneCosNode:r,penumbraCosNode:s}=this;return du(r,s,t)}getLightCoord(e){const t=e.getNodeProperties(this);let r=t.projectionUV;return void 0===r&&(r=p_(this.light,e.context.positionWorld),t.projectionUV=r),r}setupDirect(e){const{colorNode:t,cutoffDistanceNode:r,decayExponentNode:s,light:i}=this,n=this.getLightVector(e),a=n.normalize(),o=a.dot(y_(i)),u=this.getSpotAttenuation(e,o),l=n.length(),d=dv({lightDistance:l,cutoffDistance:r,decayExponent:s});let c,h,p=t.mul(u).mul(d);if(i.colorNode?(h=this.getLightCoord(e),c=i.colorNode(h)):i.map&&(h=this.getLightCoord(e),c=Dl(i.map,h.xy).onRenderUpdate(()=>i.map)),c){p=h.mul(2).sub(1).abs().lessThan(1).all().select(p.mul(c),p)}return{lightColor:p,lightDirection:a}}}class ZN extends QN{static get type(){return"IESSpotLightNode"}getSpotAttenuation(e,t){const r=this.light.iesMap;let s=null;if(r&&!0===r.isTexture){const e=t.acos().mul(1/Math.PI);s=Dl(r,xn(e,0),0).r}else s=super.getSpotAttenuation(t);return s}}class JN extends lv{static get type(){return"LightProbeNode"}constructor(e=null){super(e);const t=[];for(let e=0;e<9;e++)t.push(new r);this.lightProbe=Gl(t)}update(e){const{light:t}=this;super.update(e);for(let e=0;e<9;e++)this.lightProbe.array[e].copy(t.sh.coefficients[e]).multiplyScalar(t.intensity)}setup(e){const t=uN(cc,this.lightProbe);e.context.irradiance.addAssign(t)}}const eS=ln(([e,t])=>{const r=e.abs().sub(t);return Lo(qo(r,0)).add(Ho(qo(r.x,r.y),0))});class tS extends QN{static get type(){return"ProjectorLightNode"}update(e){super.update(e);const t=this.light;if(this.penumbraCosNode.value=Math.min(Math.cos(t.angle*(1-t.penumbra)),.99999),null===t.aspect){let e=1;null!==t.map&&(e=t.map.width/t.map.height),t.shadow.aspect=e}else t.shadow.aspect=t.aspect}getSpotAttenuation(e){const t=mn(0),r=this.penumbraCosNode,s=h_(this.light).mul(e.context.positionWorld||Qd);return hn(s.w.greaterThan(0),()=>{const e=s.xyz.div(s.w),i=eS(e.xy.sub(xn(.5)),xn(.5)),n=Pa(-1,Fa(1,Co(r)).sub(1));t.assign(uu(i.mul(-2).mul(n)))}),t}}const rS=new a,sS=new a;let iS=null;class nS extends lv{static get type(){return"RectAreaLightNode"}constructor(e=null){super(e),this.halfHeight=va(new r).setGroup(xa),this.halfWidth=va(new r).setGroup(xa),this.updateType=ei.RENDER}update(e){super.update(e);const{light:t}=this,r=e.camera.matrixWorldInverse;sS.identity(),rS.copy(t.matrixWorld),rS.premultiply(r),sS.extractRotation(rS),this.halfWidth.value.set(.5*t.width,0,0),this.halfHeight.value.set(0,.5*t.height,0),this.halfWidth.value.applyMatrix4(sS),this.halfHeight.value.applyMatrix4(sS)}setupDirectRectArea(e){let t,r;e.isAvailable("float32Filterable")?(t=Dl(iS.LTC_FLOAT_1),r=Dl(iS.LTC_FLOAT_2)):(t=Dl(iS.LTC_HALF_1),r=Dl(iS.LTC_HALF_2));const{colorNode:s,light:i}=this;return{lightColor:s,lightPosition:f_(i),halfWidth:this.halfWidth,halfHeight:this.halfHeight,ltc_1:t,ltc_2:r}}static setLTC(e){iS=e}}class aS{parseFunction(){d("Abstract function.")}}class oS{constructor(e,t,r="",s=""){this.type=e,this.inputs=t,this.name=r,this.precision=s}getCode(){d("Abstract function.")}}oS.isNodeFunction=!0;const uS=/^\s*(highp|mediump|lowp)?\s*([a-z_0-9]+)\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)/i,lS=/[a-z_0-9]+/gi,dS="#pragma main";class cS extends oS{constructor(e){const{type:t,inputs:r,name:s,precision:i,inputsCode:n,blockCode:a,headerCode:o}=(e=>{const t=(e=e.trim()).indexOf(dS),r=-1!==t?e.slice(t+12):e,s=r.match(uS);if(null!==s&&5===s.length){const i=s[4],n=[];let a=null;for(;null!==(a=lS.exec(i));)n.push(a);const o=[];let u=0;for(;u<n.length;){const e="const"===n[u][0];!0===e&&u++;let t=n[u][0];"in"===t||"out"===t||"inout"===t?u++:t="";const r=n[u++][0];let s=Number.parseInt(n[u][0]);!1===Number.isNaN(s)?u++:s=null;const i=n[u++][0];o.push(new jN(r,i,s,t,e))}const l=r.substring(s[0].length),d=void 0!==s[3]?s[3]:"";return{type:s[2],inputs:o,name:d,precision:void 0!==s[1]?s[1]:"",inputsCode:i,blockCode:l,headerCode:-1!==t?e.slice(0,t):""}}throw new Error("FunctionNode: Function is not a GLSL code.")})(e);super(t,r,s,i),this.inputsCode=n,this.blockCode=a,this.headerCode=o}getCode(e=this.name){let t;const r=this.blockCode;if(""!==r){const{type:s,inputsCode:i,headerCode:n,precision:a}=this;let o=`${s} ${e} ( ${i.trim()} )`;""!==a&&(o=`${a} ${o}`),t=n+o+r}else t="";return t}}class hS extends aS{parseFunction(e){return new cS(e)}}const pS=new WeakMap,gS=[],mS=[];class fS extends xy{constructor(e,t){super(),this.renderer=e,this.backend=t,this.nodeFrame=new qN,this.nodeBuilderCache=new Map,this.callHashCache=new gy,this.groupsData=new gy,this.cacheLib={}}updateGroup(e){const t=e.groupNode,r=t.name;if(r===Ta.name)return!0;if(r===xa.name){const t=this.get(e),r=this.nodeFrame.renderId;return t.renderId!==r&&(t.renderId=r,!0)}if(r===ba.name){const t=this.get(e),r=this.nodeFrame.frameId;return t.frameId!==r&&(t.frameId=r,!0)}gS[0]=t,gS[1]=e;let s=this.groupsData.get(gS);return void 0===s&&this.groupsData.set(gS,s={}),gS[0]=null,gS[1]=null,s.version!==t.version&&(s.version=t.version,!0)}getForRenderCacheKey(e){return e.initialCacheKey}getForRender(e){const t=this.get(e);let r=t.nodeBuilderState;if(void 0===r){const{nodeBuilderCache:s}=this,i=this.getForRenderCacheKey(e);if(r=s.get(i),void 0===r){const t=t=>{const r=this.backend.createNodeBuilder(e.object,this.renderer);return r.scene=e.scene,r.material=t,r.camera=e.camera,r.context.material=t,r.lightsNode=e.lightsNode,r.environmentNode=this.getEnvironmentNode(e.scene),r.fogNode=this.getFogNode(e.scene),r.clippingContext=e.clippingContext,this.renderer.getOutputRenderTarget()&&this.renderer.getOutputRenderTarget().multiview&&r.enableMultiview(),r};let n=t(e.material);try{n.build()}catch(e){n=t(new mg),n.build();let r=e.stackTrace;!r&&e.stack&&(r=new Ds(e.stack)),o("TSL: "+e,r)}r=this._createNodeBuilderState(n),s.set(i,r)}r.usedTimes++,t.nodeBuilderState=r}return r}delete(e){if(e.isRenderObject){const t=this.get(e).nodeBuilderState;t.usedTimes--,0===t.usedTimes&&this.nodeBuilderCache.delete(this.getForRenderCacheKey(e))}return super.delete(e)}getForCompute(e){const t=this.get(e);let r=t.nodeBuilderState;if(void 0===r){const s=this.backend.createNodeBuilder(e,this.renderer);s.build(),r=this._createNodeBuilderState(s),t.nodeBuilderState=r}return r}_createNodeBuilderState(e){return new gN(e.vertexShader,e.fragmentShader,e.computeShader,e.getAttributesArray(),e.getBindings(),e.updateNodes,e.updateBeforeNodes,e.updateAfterNodes,e.observer,e.transforms)}getEnvironmentNode(e){this.updateEnvironment(e);let t=null;if(e.environmentNode&&e.environmentNode.isNode)t=e.environmentNode;else{const r=this.get(e);r.environmentNode&&(t=r.environmentNode)}return t}getBackgroundNode(e){this.updateBackground(e);let t=null;if(e.backgroundNode&&e.backgroundNode.isNode)t=e.backgroundNode;else{const r=this.get(e);r.backgroundNode&&(t=r.backgroundNode)}return t}getFogNode(e){return this.updateFog(e),e.fogNode||this.get(e).fogNode||null}getCacheKey(e,t){gS[0]=e,gS[1]=t;const r=this.renderer.info.calls,s=this.callHashCache.get(gS)||{};if(s.callId!==r){const i=this.getEnvironmentNode(e),n=this.getFogNode(e);t&&mS.push(t.getCacheKey(!0)),i&&mS.push(i.getCacheKey()),n&&mS.push(n.getCacheKey()),mS.push(this.renderer.getOutputRenderTarget()&&this.renderer.getOutputRenderTarget().multiview?1:0),mS.push(this.renderer.shadowMap.enabled?1:0),mS.push(this.renderer.shadowMap.type),s.callId=r,s.cacheKey=Os(mS),this.callHashCache.set(gS,s),mS.length=0}return gS[0]=null,gS[1]=null,s.cacheKey}get isToneMappingState(){return!this.renderer.getRenderTarget()}updateBackground(e){const t=this.get(e),r=e.background;if(r){const s=0===e.backgroundBlurriness&&t.backgroundBlurriness>0||e.backgroundBlurriness>0&&0===t.backgroundBlurriness;if(t.background!==r||s){const i=this.getCacheNode("background",r,()=>{if(!0===r.isCubeTexture||r.mapping===le||r.mapping===de||r.mapping===Re){if(e.backgroundBlurriness>0||r.mapping===Re)return Lf(r);{let e;return e=!0===r.isCubeTexture?Mc(r):Dl(r),Mg(e)}}if(!0===r.isTexture)return Dl(r,Xl.flipY()).setUpdateMatrix(!0);!0!==r.isColor&&o("WebGPUNodes: Unsupported background configuration.",r)},s);t.backgroundNode=i,t.background=r,t.backgroundBlurriness=e.backgroundBlurriness}}else t.backgroundNode&&(delete t.backgroundNode,delete t.background)}getCacheNode(e,t,r,s=!1){const i=this.cacheLib[e]||(this.cacheLib[e]=new WeakMap);let n=i.get(t);return(void 0===n||s)&&(n=r(),i.set(t,n)),n}updateFog(e){const t=this.get(e),r=e.fog;if(r){if(t.fog!==r){const e=this.getCacheNode("fog",r,()=>{if(r.isFogExp2){const e=Lc("color","color",r).setGroup(xa),t=Lc("density","float",r).setGroup(xa);return xT(e,yT(t))}if(r.isFog){const e=Lc("color","color",r).setGroup(xa),t=Lc("near","float",r).setGroup(xa),s=Lc("far","float",r).setGroup(xa);return xT(e,fT(t,s))}o("Renderer: Unsupported fog configuration.",r)});t.fogNode=e,t.fog=r}}else delete t.fogNode,delete t.fog}updateEnvironment(e){const t=this.get(e),r=e.environment;if(r){if(t.environment!==r){const e=this.getCacheNode("environment",r,()=>!0===r.isCubeTexture?Mc(r):!0===r.isTexture?Dl(r):void o("Nodes: Unsupported environment configuration.",r));t.environmentNode=e,t.environment=r}}else t.environmentNode&&(delete t.environmentNode,delete t.environment)}getNodeFrame(e=this.renderer,t=null,r=null,s=null,i=null){const n=this.nodeFrame;return n.renderer=e,n.scene=t,n.object=r,n.camera=s,n.material=i,n}getNodeFrameForRender(e){return this.getNodeFrame(e.renderer,e.scene,e.object,e.camera,e.material)}getOutputCacheKey(){const e=this.renderer;return e.toneMapping+","+e.currentColorSpace+","+e.xr.isPresenting}hasOutputChange(e){return pS.get(e)!==this.getOutputCacheKey()}getOutputNode(e){const t=this.renderer,r=this.getOutputCacheKey(),s=e.isArrayTexture?Lx(e,Nn(Xl,$l("gl_ViewID_OVR"))).renderOutput(t.toneMapping,t.currentColorSpace):Dl(e,Xl).renderOutput(t.toneMapping,t.currentColorSpace);return pS.set(e,r),s}updateBefore(e){const t=e.getNodeBuilderState();for(const r of t.updateBeforeNodes)this.getNodeFrameForRender(e).updateBeforeNode(r)}updateAfter(e){const t=e.getNodeBuilderState();for(const r of t.updateAfterNodes)this.getNodeFrameForRender(e).updateAfterNode(r)}updateForCompute(e){const t=this.getNodeFrame(),r=this.getForCompute(e);for(const e of r.updateNodes)t.updateNode(e)}updateForRender(e){const t=this.getNodeFrameForRender(e),r=e.getNodeBuilderState();for(const e of r.updateNodes)t.updateNode(e)}needsRefresh(e){const t=this.getNodeFrameForRender(e);return e.getMonitor().needsRefresh(e,t)}dispose(){super.dispose(),this.nodeFrame=new qN,this.nodeBuilderCache=new Map,this.cacheLib={}}}const yS=new He;class bS{constructor(e=null){this.version=0,this.clipIntersection=null,this.cacheKey="",this.shadowPass=!1,this.viewNormalMatrix=new n,this.clippingGroupContexts=new WeakMap,this.intersectionPlanes=[],this.unionPlanes=[],this.parentVersion=null,null!==e&&(this.viewNormalMatrix=e.viewNormalMatrix,this.clippingGroupContexts=e.clippingGroupContexts,this.shadowPass=e.shadowPass,this.viewMatrix=e.viewMatrix)}projectPlanes(e,t,r){const s=e.length;for(let i=0;i<s;i++){yS.copy(e[i]).applyMatrix4(this.viewMatrix,this.viewNormalMatrix);const s=t[r+i],n=yS.normal;s.x=-n.x,s.y=-n.y,s.z=-n.z,s.w=yS.constant}}updateGlobal(e,t){this.shadowPass=null!==e.overrideMaterial&&e.overrideMaterial.isShadowPassMaterial,this.viewMatrix=t.matrixWorldInverse,this.viewNormalMatrix.getNormalMatrix(this.viewMatrix)}update(e,t){let r=!1;e.version!==this.parentVersion&&(this.intersectionPlanes=Array.from(e.intersectionPlanes),this.unionPlanes=Array.from(e.unionPlanes),this.parentVersion=e.version),this.clipIntersection!==t.clipIntersection&&(this.clipIntersection=t.clipIntersection,this.clipIntersection?this.unionPlanes.length=e.unionPlanes.length:this.intersectionPlanes.length=e.intersectionPlanes.length);const i=t.clippingPlanes,n=i.length;let a,o;if(this.clipIntersection?(a=this.intersectionPlanes,o=e.intersectionPlanes.length):(a=this.unionPlanes,o=e.unionPlanes.length),a.length!==o+n){a.length=o+n;for(let e=0;e<n;e++)a[o+e]=new s;r=!0}this.projectPlanes(i,a,o),r&&(this.version++,this.cacheKey=`${this.intersectionPlanes.length}:${this.unionPlanes.length}`)}getGroupContext(e){if(this.shadowPass&&!e.clipShadows)return this;let t=this.clippingGroupContexts.get(e);return void 0===t&&(t=new bS(this),this.clippingGroupContexts.set(e,t)),t.update(this,e),t}get unionClippingCount(){return this.unionPlanes.length}}class xS{constructor(e,t){this.bundleGroup=e,this.camera=t}}const TS=[];class _S{constructor(){this.bundles=new gy}get(e,t){const r=this.bundles;TS[0]=e,TS[1]=t;let s=r.get(TS);return void 0===s&&(s=new xS(e,t),r.set(TS,s)),TS[0]=null,TS[1]=null,s}dispose(){this.bundles=new gy}}class vS{constructor(){this.lightNodes=new WeakMap,this.materialNodes=new Map,this.toneMappingNodes=new Map}fromMaterial(e){if(e.isNodeMaterial)return e;let t=null;const r=this.getMaterialNodeClass(e.type);if(null!==r){t=new r;for(const r in e)t[r]=e[r]}return t}addToneMapping(e,t){this.addType(e,t,this.toneMappingNodes)}getToneMappingFunction(e){return this.toneMappingNodes.get(e)||null}getMaterialNodeClass(e){return this.materialNodes.get(e)||null}addMaterial(e,t){this.addType(e,t,this.materialNodes)}getLightNodeClass(e){return this.lightNodes.get(e)||null}addLight(e,t){this.addClass(e,t,this.lightNodes)}addType(e,t,r){if(r.has(t))d(`Redefinition of node ${t}`);else{if("function"!=typeof e)throw new Error(`Node class ${e.name} is not a class.`);if("function"==typeof t||"object"==typeof t)throw new Error(`Base class ${t} is not a class.`);r.set(t,e)}}addClass(e,t,r){if(r.has(t))d(`Redefinition of node ${t.name}`);else{if("function"!=typeof e)throw new Error(`Node class ${e.name} is not a class.`);if("function"!=typeof t)throw new Error(`Base class ${t.name} is not a class.`);r.set(t,e)}}}const NS=new __,SS=new WeakMap;class RS{createNode(e=[]){return(new __).setLights(e)}getNode(e){if(e.isQuadMesh)return NS;let t=SS.get(e);return void 0===t&&(t=this.createNode(),SS.set(e,t)),t}}class ES extends se{constructor(e=1,t=1,r={}){super(e,t,r),this.isXRRenderTarget=!0,this._hasExternalTextures=!1,this._autoAllocateDepthBuffer=!0,this._isOpaqueFramebuffer=!1}copy(e){return super.copy(e),this._hasExternalTextures=e._hasExternalTextures,this._autoAllocateDepthBuffer=e._autoAllocateDepthBuffer,this._isOpaqueFramebuffer=e._isOpaqueFramebuffer,this}}const AS=new r,wS=new r;class CS extends u{constructor(e,r=!1){super(),this.enabled=!1,this.isPresenting=!1,this.cameraAutoUpdate=!0,this._renderer=e,this._cameraL=new ve,this._cameraL.viewport=new s,this._cameraR=new ve,this._cameraR.viewport=new s,this._cameras=[this._cameraL,this._cameraR],this._cameraXR=new ut,this._currentDepthNear=null,this._currentDepthFar=null,this._controllers=[],this._controllerInputSources=[],this._xrRenderTarget=null,this._layers=[],this._sessionUsesLayers=!1,this._supportsGlBinding="undefined"!=typeof XRWebGLBinding,this._frameBufferTargets=null,this._createXRLayer=PS.bind(this),this._gl=null,this._currentAnimationContext=null,this._currentAnimationLoop=null,this._currentPixelRatio=null,this._currentSize=new t,this._onSessionEvent=BS.bind(this),this._onSessionEnd=FS.bind(this),this._onInputSourcesChange=LS.bind(this),this._onAnimationFrame=DS.bind(this),this._referenceSpace=null,this._referenceSpaceType="local-floor",this._customReferenceSpace=null,this._framebufferScaleFactor=1,this._foveation=1,this._session=null,this._glBaseLayer=null,this._glBinding=null,this._glProjLayer=null,this._xrFrame=null,this._supportsLayers=this._supportsGlBinding&&"createProjectionLayer"in XRWebGLBinding.prototype,this._useMultiviewIfPossible=r,this._useMultiview=!1}getController(e){return this._getController(e).getTargetRaySpace()}getControllerGrip(e){return this._getController(e).getGripSpace()}getHand(e){return this._getController(e).getHandSpace()}getFoveation(){if(null!==this._glProjLayer||null!==this._glBaseLayer)return this._foveation}setFoveation(e){this._foveation=e,null!==this._glProjLayer&&(this._glProjLayer.fixedFoveation=e),null!==this._glBaseLayer&&void 0!==this._glBaseLayer.fixedFoveation&&(this._glBaseLayer.fixedFoveation=e)}getFramebufferScaleFactor(){return this._framebufferScaleFactor}setFramebufferScaleFactor(e){this._framebufferScaleFactor=e,!0===this.isPresenting&&d("XRManager: Cannot change framebuffer scale while presenting.")}getReferenceSpaceType(){return this._referenceSpaceType}setReferenceSpaceType(e){this._referenceSpaceType=e,!0===this.isPresenting&&d("XRManager: Cannot change reference space type while presenting.")}getReferenceSpace(){return this._customReferenceSpace||this._referenceSpace}setReferenceSpace(e){this._customReferenceSpace=e}getCamera(){return this._cameraXR}getEnvironmentBlendMode(){if(null!==this._session)return this._session.environmentBlendMode}getBinding(){return null===this._glBinding&&this._supportsGlBinding&&(this._glBinding=new XRWebGLBinding(this._session,this._gl)),this._glBinding}getFrame(){return this._xrFrame}useMultiview(){return this._useMultiview}createQuadLayer(e,t,r,s,i,n,a,o={}){const u=new lt(e,t),l=new ES(i,n,{format:Se,type:Ve,depthTexture:new Y(i,n,o.stencil?Oe:S,void 0,void 0,void 0,void 0,void 0,void 0,o.stencil?Ue:Ie),stencilBuffer:o.stencil,resolveDepthBuffer:!1,resolveStencilBuffer:!1});l._autoAllocateDepthBuffer=!0;const d=new ge({color:16777215,side:dt});d.map=l.texture,d.map.offset.y=1,d.map.repeat.y=-1;const c=new ne(u,d);c.position.copy(r),c.quaternion.copy(s);const h={type:"quad",width:e,height:t,translation:r,quaternion:s,pixelwidth:i,pixelheight:n,plane:c,material:d,rendercall:a,renderTarget:l};if(this._layers.push(h),null!==this._session){h.plane.material=new ge({color:16777215,side:dt}),h.plane.material.blending=ct,h.plane.material.blendEquation=$e,h.plane.material.blendSrc=ht,h.plane.material.blendDst=ht,h.xrlayer=this._createXRLayer(h);const e=this._session.renderState.layers;e.unshift(h.xrlayer),this._session.updateRenderState({layers:e})}else l.isXRRenderTarget=!1;return c}createCylinderLayer(e,t,r,s,i,n,a,o,u={}){const l=new pt(e,e,e*t/r,64,64,!0,Math.PI-t/2,t),d=new ES(n,a,{format:Se,type:Ve,depthTexture:new Y(n,a,u.stencil?Oe:S,void 0,void 0,void 0,void 0,void 0,void 0,u.stencil?Ue:Ie),stencilBuffer:u.stencil,resolveDepthBuffer:!1,resolveStencilBuffer:!1});d._autoAllocateDepthBuffer=!0;const c=new ge({color:16777215,side:M});c.map=d.texture,c.map.offset.y=1,c.map.repeat.y=-1;const h=new ne(l,c);h.position.copy(s),h.quaternion.copy(i);const p={type:"cylinder",radius:e,centralAngle:t,aspectratio:r,translation:s,quaternion:i,pixelwidth:n,pixelheight:a,plane:h,material:c,rendercall:o,renderTarget:d};if(this._layers.push(p),null!==this._session){p.plane.material=new ge({color:16777215,side:M}),p.plane.material.blending=ct,p.plane.material.blendEquation=$e,p.plane.material.blendSrc=ht,p.plane.material.blendDst=ht,p.xrlayer=this._createXRLayer(p);const e=this._session.renderState.layers;e.unshift(p.xrlayer),this._session.updateRenderState({layers:e})}else d.isXRRenderTarget=!1;return h}renderLayers(){const e=new r,s=new gt,i=this._renderer,n=this.isPresenting,a=i.getOutputRenderTarget(),o=i._frameBufferTarget;this.isPresenting=!1;const u=new t;i.getSize(u);const l=i._quad;for(const t of this._layers)if(t.renderTarget.isXRRenderTarget=null!==this._session,t.renderTarget._hasExternalTextures=t.renderTarget.isXRRenderTarget,t.renderTarget.isXRRenderTarget&&this._sessionUsesLayers){t.xrlayer.transform=new XRRigidTransform(t.plane.getWorldPosition(e),t.plane.getWorldQuaternion(s));const r=this._glBinding.getSubImage(t.xrlayer,this._xrFrame);i.backend.setXRRenderTargetTextures(t.renderTarget,r.colorTexture,void 0),i._setXRLayerSize(t.renderTarget.width,t.renderTarget.height),i.setOutputRenderTarget(t.renderTarget),i.setRenderTarget(null),i._frameBufferTarget=null,this._frameBufferTargets||(this._frameBufferTargets=new WeakMap);const{frameBufferTarget:n,quad:a}=this._frameBufferTargets.get(t.renderTarget)||{frameBufferTarget:null,quad:null};n?(i._frameBufferTarget=n,i._quad=a):(i._quad=new ux(new mg),this._frameBufferTargets.set(t.renderTarget,{frameBufferTarget:i._getFrameBufferTarget(),quad:i._quad})),t.rendercall(),i._frameBufferTarget=null}else i.setRenderTarget(t.renderTarget),t.rendercall();i.setRenderTarget(null),i.setOutputRenderTarget(a),i._frameBufferTarget=o,i._setXRLayerSize(u.x,u.y),i._quad=l,this.isPresenting=n}getSession(){return this._session}async setSession(e){const t=this._renderer,r=t.backend;this._gl=t.getContext();const s=this._gl,i=s.getContextAttributes();if(this._session=e,null!==e){if(!0===r.isWebGPUBackend)throw new Error('THREE.XRManager: XR is currently not supported with a WebGPU backend. Use WebGL by passing "{ forceWebGL: true }" to the constructor of the renderer.');if(e.addEventListener("select",this._onSessionEvent),e.addEventListener("selectstart",this._onSessionEvent),e.addEventListener("selectend",this._onSessionEvent),e.addEventListener("squeeze",this._onSessionEvent),e.addEventListener("squeezestart",this._onSessionEvent),e.addEventListener("squeezeend",this._onSessionEvent),e.addEventListener("end",this._onSessionEnd),e.addEventListener("inputsourceschange",this._onInputSourcesChange),await r.makeXRCompatible(),this._currentPixelRatio=t.getPixelRatio(),t.getSize(this._currentSize),this._currentAnimationContext=t._animation.getContext(),this._currentAnimationLoop=t._animation.getAnimationLoop(),t._animation.stop(),!0===this._supportsLayers){let r=null,n=null,a=null;t.depth&&(a=t.stencil?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24,r=t.stencil?Ue:Ie,n=t.stencil?Oe:S);const o={colorFormat:s.RGBA8,depthFormat:a,scaleFactor:this._framebufferScaleFactor,clearOnAccess:!1};this._useMultiviewIfPossible&&t.hasFeature("OVR_multiview2")&&(o.textureType="texture-array",this._useMultiview=!0),this._glBinding=this.getBinding();const u=this._glBinding.createProjectionLayer(o),l=[u];this._glProjLayer=u,t.setPixelRatio(1),t._setXRLayerSize(u.textureWidth,u.textureHeight);const d=this._useMultiview?2:1,c=new Y(u.textureWidth,u.textureHeight,n,void 0,void 0,void 0,void 0,void 0,void 0,r,d);if(this._xrRenderTarget=new ES(u.textureWidth,u.textureHeight,{format:Se,type:Ve,colorSpace:t.outputColorSpace,depthTexture:c,stencilBuffer:t.stencil,samples:i.antialias?4:0,resolveDepthBuffer:!1===u.ignoreDepthValues,resolveStencilBuffer:!1===u.ignoreDepthValues,depth:this._useMultiview?2:1,multiview:this._useMultiview}),this._xrRenderTarget._hasExternalTextures=!0,this._xrRenderTarget.depth=this._useMultiview?2:1,this._sessionUsesLayers=e.enabledFeatures.includes("layers"),this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType()),this._sessionUsesLayers)for(const e of this._layers)e.plane.material=new ge({color:16777215,side:"cylinder"===e.type?M:dt}),e.plane.material.blending=ct,e.plane.material.blendEquation=$e,e.plane.material.blendSrc=ht,e.plane.material.blendDst=ht,e.xrlayer=this._createXRLayer(e),l.unshift(e.xrlayer);e.updateRenderState({layers:l})}else{const r={antialias:t.currentSamples>0,alpha:!0,depth:t.depth,stencil:t.stencil,framebufferScaleFactor:this.getFramebufferScaleFactor()},i=new XRWebGLLayer(e,s,r);this._glBaseLayer=i,e.updateRenderState({baseLayer:i}),t.setPixelRatio(1),t._setXRLayerSize(i.framebufferWidth,i.framebufferHeight),this._xrRenderTarget=new ES(i.framebufferWidth,i.framebufferHeight,{format:Se,type:Ve,colorSpace:t.outputColorSpace,stencilBuffer:t.stencil,resolveDepthBuffer:!1===i.ignoreDepthValues,resolveStencilBuffer:!1===i.ignoreDepthValues}),this._xrRenderTarget._isOpaqueFramebuffer=!0,this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType())}this.setFoveation(this.getFoveation()),t._animation.setAnimationLoop(this._onAnimationFrame),t._animation.setContext(e),t._animation.start(),this.isPresenting=!0,this.dispatchEvent({type:"sessionstart"})}}updateCamera(e){const t=this._session;if(null===t)return;const r=e.near,s=e.far,i=this._cameraXR,n=this._cameraL,a=this._cameraR;i.near=a.near=n.near=r,i.far=a.far=n.far=s,i.isMultiViewCamera=this._useMultiview,this._currentDepthNear===i.near&&this._currentDepthFar===i.far||(t.updateRenderState({depthNear:i.near,depthFar:i.far}),this._currentDepthNear=i.near,this._currentDepthFar=i.far),i.layers.mask=6|e.layers.mask,n.layers.mask=-5&i.layers.mask,a.layers.mask=-3&i.layers.mask;const o=e.parent,u=i.cameras;MS(i,o);for(let e=0;e<u.length;e++)MS(u[e],o);2===u.length?function(e,t,r){AS.setFromMatrixPosition(t.matrixWorld),wS.setFromMatrixPosition(r.matrixWorld);const s=AS.distanceTo(wS),i=t.projectionMatrix.elements,n=r.projectionMatrix.elements,a=i[14]/(i[10]-1),o=i[14]/(i[10]+1),u=(i[9]+1)/i[5],l=(i[9]-1)/i[5],d=(i[8]-1)/i[0],c=(n[8]+1)/n[0],h=a*d,p=a*c,g=s/(-d+c),m=g*-d;if(t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(m),e.translateZ(g),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert(),-1===i[10])e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse);else{const t=a+g,r=o+g,i=h-m,n=p+(s-m),d=u*o/r*t,c=l*o/r*t;e.projectionMatrix.makePerspective(i,n,d,c,t,r),e.projectionMatrixInverse.copy(e.projectionMatrix).invert()}}(i,n,a):i.projectionMatrix.copy(n.projectionMatrix),function(e,t,r){null===r?e.matrix.copy(t.matrixWorld):(e.matrix.copy(r.matrixWorld),e.matrix.invert(),e.matrix.multiply(t.matrixWorld));e.matrix.decompose(e.position,e.quaternion,e.scale),e.updateMatrixWorld(!0),e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse),e.isPerspectiveCamera&&(e.fov=2*ft*Math.atan(1/e.projectionMatrix.elements[5]),e.zoom=1)}(e,i,o)}_getController(e){let t=this._controllers[e];return void 0===t&&(t=new mt,this._controllers[e]=t),t}}function MS(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}function BS(e){const t=this._controllerInputSources.indexOf(e.inputSource);if(-1===t)return;const r=this._controllers[t];if(void 0!==r){const t=this.getReferenceSpace();r.update(e.inputSource,e.frame,t),r.dispatchEvent({type:e.type,data:e.inputSource})}}function FS(){const e=this._session,t=this._renderer;e.removeEventListener("select",this._onSessionEvent),e.removeEventListener("selectstart",this._onSessionEvent),e.removeEventListener("selectend",this._onSessionEvent),e.removeEventListener("squeeze",this._onSessionEvent),e.removeEventListener("squeezestart",this._onSessionEvent),e.removeEventListener("squeezeend",this._onSessionEvent),e.removeEventListener("end",this._onSessionEnd),e.removeEventListener("inputsourceschange",this._onInputSourcesChange);for(let e=0;e<this._controllers.length;e++){const t=this._controllerInputSources[e];null!==t&&(this._controllerInputSources[e]=null,this._controllers[e].disconnect(t))}if(this._currentDepthNear=null,this._currentDepthFar=null,t._resetXRState(),this._session=null,this._xrRenderTarget=null,this._glBinding=null,this._glBaseLayer=null,this._glProjLayer=null,!0===this._sessionUsesLayers)for(const e of this._layers)e.renderTarget=new ES(e.pixelwidth,e.pixelheight,{format:Se,type:Ve,depthTexture:new Y(e.pixelwidth,e.pixelheight,e.stencilBuffer?Oe:S,void 0,void 0,void 0,void 0,void 0,void 0,e.stencilBuffer?Ue:Ie),stencilBuffer:e.stencilBuffer,resolveDepthBuffer:!1,resolveStencilBuffer:!1}),e.renderTarget.isXRRenderTarget=!1,e.plane.material=e.material,e.material.map=e.renderTarget.texture,e.material.map.offset.y=1,e.material.map.repeat.y=-1,delete e.xrlayer;this.isPresenting=!1,this._useMultiview=!1,t._animation.stop(),t._animation.setAnimationLoop(this._currentAnimationLoop),t._animation.setContext(this._currentAnimationContext),t._animation.start(),t.setPixelRatio(this._currentPixelRatio),t.setSize(this._currentSize.width,this._currentSize.height,!1),this.dispatchEvent({type:"sessionend"})}function LS(e){const t=this._controllers,r=this._controllerInputSources;for(let s=0;s<e.removed.length;s++){const i=e.removed[s],n=r.indexOf(i);n>=0&&(r[n]=null,t[n].disconnect(i))}for(let s=0;s<e.added.length;s++){const i=e.added[s];let n=r.indexOf(i);if(-1===n){for(let e=0;e<t.length;e++){if(e>=r.length){r.push(i),n=e;break}if(null===r[e]){r[e]=i,n=e;break}}if(-1===n)break}const a=t[n];a&&a.connect(i)}}function PS(e){return"quad"===e.type?this._glBinding.createQuadLayer({transform:new XRRigidTransform(e.translation,e.quaternion),width:e.width/2,height:e.height/2,space:this._referenceSpace,viewPixelWidth:e.pixelwidth,viewPixelHeight:e.pixelheight,clearOnAccess:!1}):this._glBinding.createCylinderLayer({transform:new XRRigidTransform(e.translation,e.quaternion),radius:e.radius,centralAngle:e.centralAngle,aspectRatio:e.aspectRatio,space:this._referenceSpace,viewPixelWidth:e.pixelwidth,viewPixelHeight:e.pixelheight,clearOnAccess:!1})}function DS(e,t){if(void 0===t)return;const r=this._cameraXR,i=this._renderer,n=i.backend,a=this._glBaseLayer,o=this.getReferenceSpace(),u=t.getViewerPose(o);if(this._xrFrame=t,null!==u){const e=u.views;null!==this._glBaseLayer&&n.setXRTarget(a.framebuffer);let t=!1;e.length!==r.cameras.length&&(r.cameras.length=0,t=!0);for(let i=0;i<e.length;i++){const o=e[i];let u;if(!0===this._supportsLayers){const e=this._glBinding.getViewSubImage(this._glProjLayer,o);u=e.viewport,0===i&&n.setXRRenderTargetTextures(this._xrRenderTarget,e.colorTexture,this._glProjLayer.ignoreDepthValues&&!this._useMultiview?void 0:e.depthStencilTexture)}else u=a.getViewport(o);let l=this._cameras[i];void 0===l&&(l=new ve,l.layers.enable(i),l.viewport=new s,this._cameras[i]=l),l.matrix.fromArray(o.transform.matrix),l.matrix.decompose(l.position,l.quaternion,l.scale),l.projectionMatrix.fromArray(o.projectionMatrix),l.projectionMatrixInverse.copy(l.projectionMatrix).invert(),l.viewport.set(u.x,u.y,u.width,u.height),0===i&&(r.matrix.copy(l.matrix),r.matrix.decompose(r.position,r.quaternion,r.scale)),!0===t&&r.cameras.push(l)}i.setOutputRenderTarget(this._xrRenderTarget)}for(let e=0;e<this._controllers.length;e++){const r=this._controllerInputSources[e],s=this._controllers[e];null!==r&&void 0!==s&&s.update(r,t,o)}this._currentAnimationLoop&&this._currentAnimationLoop(e,t),t.detectedPlanes&&this.dispatchEvent({type:"planesdetected",data:t}),this._xrFrame=null}class US extends u{constructor(e){super(),this.domElement=e,this._pixelRatio=1,this._width=this.domElement.width,this._height=this.domElement.height,this._viewport=new s(0,0,this._width,this._height),this._scissor=new s(0,0,this._width,this._height),this._scissorTest=!1,this.colorTexture=new X,this.depthTexture=new Y}getPixelRatio(){return this._pixelRatio}getDrawingBufferSize(e){return e.set(this._width*this._pixelRatio,this._height*this._pixelRatio).floor()}getSize(e){return e.set(this._width,this._height)}setPixelRatio(e=1){this._pixelRatio!==e&&(this._pixelRatio=e,this.setSize(this._width,this._height,!1))}setDrawingBufferSize(e,t,r){this.xr&&this.xr.isPresenting||(this._width=e,this._height=t,this._pixelRatio=r,this.domElement.width=Math.floor(e*r),this.domElement.height=Math.floor(t*r),this.setViewport(0,0,e,t),this._dispatchResize())}setSize(e,t,r=!0){this.xr&&this.xr.isPresenting||(this._width=e,this._height=t,this.domElement.width=Math.floor(e*this._pixelRatio),this.domElement.height=Math.floor(t*this._pixelRatio),!0===r&&(this.domElement.style.width=e+"px",this.domElement.style.height=t+"px"),this.setViewport(0,0,e,t),this._dispatchResize())}getScissor(e){const t=this._scissor;return e.x=t.x,e.y=t.y,e.width=t.width,e.height=t.height,e}setScissor(e,t,r,s){const i=this._scissor;e.isVector4?i.copy(e):i.set(e,t,r,s)}getScissorTest(){return this._scissorTest}setScissorTest(e){this._scissorTest=e}getViewport(e){return e.copy(this._viewport)}setViewport(e,t,r,s,i=0,n=1){const a=this._viewport;e.isVector4?a.copy(e):a.set(e,t,r,s),a.minDepth=i,a.maxDepth=n}_dispatchResize(){this.dispatchEvent({type:"resize"})}dispose(){this.dispatchEvent({type:"dispose"})}}const IS=new ae,OS=new t,VS=new s,kS=new bt,GS=new yt,zS=new a,$S=new s,WS={[dt]:M,[M]:dt,[B]:B};class HS{constructor(e,t={}){this.isRenderer=!0;const{logarithmicDepthBuffer:r=!1,reversedDepthBuffer:s=!1,alpha:i=!0,depth:n=!0,stencil:a=!1,antialias:o=!1,samples:u=0,getFallback:l=null,outputBufferType:d=be,multiview:c=!1}=t;this.backend=e,this.autoClear=!0,this.autoClearColor=!0,this.autoClearDepth=!0,this.autoClearStencil=!0,this.alpha=i,this.logarithmicDepthBuffer=r,this.reversedDepthBuffer=s,this.outputColorSpace=re,this.toneMapping=m,this.toneMappingExposure=1,this.sortObjects=!0,this.depth=n,this.stencil=a,this.info=new My,this.contextNode=_u(),this.library=new vS,this.lighting=new RS,this._samples=u||!0===o?4:0,this._onCanvasTargetResize=this._onCanvasTargetResize.bind(this),this._canvasTarget=new US(e.getDomElement()),this._canvasTarget.addEventListener("resize",this._onCanvasTargetResize),this._canvasTarget.isDefaultCanvasTarget=!0,this._inspector=new _l,this._inspector.setRenderer(this),this._getFallback=l,this._attributes=null,this._geometries=null,this._nodes=null,this._animation=null,this._bindings=null,this._objects=null,this._pipelines=null,this._bundles=null,this._renderLists=null,this._renderContexts=null,this._textures=null,this._background=null,this._quad=new ux(new mg),this._quad.name="Output Color Transform",this._quad.material.name="outputColorTransform",this._currentRenderContext=null,this._opaqueSort=null,this._transparentSort=null,this._frameBufferTarget=null;const h=!0===this.alpha?0:1;this._clearColor=new Yy(0,0,0,h),this._clearDepth=1,this._clearStencil=0,this._renderTarget=null,this._activeCubeFace=0,this._activeMipmapLevel=0,this._outputRenderTarget=null,this._mrt=null,this._renderObjectFunction=null,this._currentRenderObjectFunction=null,this._currentRenderBundle=null,this._handleObjectFunction=this._renderObjectDirect,this._isDeviceLost=!1,this.onDeviceLost=this._onDeviceLost,this._outputBufferType=d,this._cacheShadowNodes=new WeakMap,this._initialized=!1,this._callDepth=-1,this._initPromise=null,this._compilationPromises=null,this.transparent=!0,this.opaque=!0,this.shadowMap={enabled:!1,transmitted:!1,type:Je},this.xr=new CS(this,c),this.debug={checkShaderErrors:!0,onShaderError:null,getShaderAsync:async(e,t,r)=>{await this.compileAsync(e,t);const s=this._renderLists.get(e,t),i=this._renderContexts.get(this._renderTarget,this._mrt),n=e.overrideMaterial||r.material,a=this._objects.get(r,n,e,t,s.lightsNode,i,i.clippingContext),{fragmentShader:o,vertexShader:u}=a.getNodeBuilderState();return{fragmentShader:o,vertexShader:u}}}}async init(){return null!==this._initPromise||(this._initPromise=new Promise(async(e,t)=>{let r=this.backend;try{await r.init(this)}catch(e){if(null===this._getFallback)return void t(e);try{this.backend=r=this._getFallback(e),await r.init(this)}catch(e){return void t(e)}}this._nodes=new fS(this,r),this._animation=new py(this,this._nodes,this.info),this._attributes=new Ry(r),this._background=new cN(this,this._nodes),this._geometries=new Cy(this._attributes,this.info),this._textures=new Ky(this,r,this.info),this._pipelines=new Uy(r,this._nodes),this._bindings=new Iy(r,this._nodes,this._textures,this._attributes,this._pipelines,this.info),this._objects=new by(this,this._nodes,this._geometries,this._pipelines,this._bindings,this.info),this._renderLists=new $y(this.lighting),this._bundles=new _S,this._renderContexts=new jy(this),this._animation.start(),this._initialized=!0,this._inspector.init(),e(this)})),this._initPromise}get domElement(){return this._canvasTarget.domElement}get coordinateSystem(){return this.backend.coordinateSystem}async compileAsync(e,t,r=null){if(!0===this._isDeviceLost)return;!1===this._initialized&&await this.init();const s=this._nodes.nodeFrame,i=s.renderId,n=this._currentRenderContext,a=this._currentRenderObjectFunction,o=this._handleObjectFunction,u=this._compilationPromises,l=!0===e.isScene?e:IS;null===r&&(r=e);const d=this._renderTarget,c=this._renderContexts.get(d,this._mrt),h=this._activeMipmapLevel,p=[];this._currentRenderContext=c,this._currentRenderObjectFunction=this.renderObject,this._handleObjectFunction=this._createObjectPipeline,this._compilationPromises=p,s.renderId++,s.update(),c.depth=this.depth,c.stencil=this.stencil,c.clippingContext||(c.clippingContext=new bS),c.clippingContext.updateGlobal(l,t),l.onBeforeRender(this,e,t,d);const g=this._renderLists.get(e,t);if(g.begin(),this._projectObject(e,t,0,g,c.clippingContext),r!==e&&r.traverseVisible(function(e){e.isLight&&e.layers.test(t.layers)&&g.pushLight(e)}),g.finish(),null!==d){this._textures.updateRenderTarget(d,h);const e=this._textures.get(d);c.textures=e.textures,c.depthTexture=e.depthTexture}else c.textures=null,c.depthTexture=null;r!==e?this._background.update(r,g,c):this._background.update(l,g,c);const m=g.opaque,f=g.transparent,y=g.transparentDoublePass,b=g.lightsNode;!0===this.opaque&&m.length>0&&this._renderObjects(m,t,l,b),!0===this.transparent&&f.length>0&&this._renderTransparents(f,y,t,l,b),s.renderId=i,this._currentRenderContext=n,this._currentRenderObjectFunction=a,this._handleObjectFunction=o,this._compilationPromises=u,await Promise.all(p)}async renderAsync(e,t){v('Renderer: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.render(e,t)}async waitForGPU(){o("Renderer: waitForGPU() has been removed. Read https://github.com/mrdoob/three.js/issues/32012 for more information.")}set inspector(e){null!==this._inspector&&this._inspector.setRenderer(null),this._inspector=e,this._inspector.setRenderer(this)}get inspector(){return this._inspector}set highPrecision(e){const t=this.contextNode.value;!0===e?(t.modelViewMatrix=Hd,t.modelNormalViewMatrix=qd):this.highPrecision&&(delete t.modelViewMatrix,delete t.modelNormalViewMatrix)}get highPrecision(){const e=this.contextNode.value;return e.modelViewMatrix===Hd&&e.modelNormalViewMatrix===qd}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}getOutputBufferType(){return this._outputBufferType}getColorBufferType(){return v('Renderer: ".getColorBufferType()" has been renamed to ".getOutputBufferType()".'),this.getOutputBufferType()}_onDeviceLost(e){let t=`THREE.WebGPURenderer: ${e.api} Device Lost:\n\nMessage: ${e.message}`;e.reason&&(t+=`\nReason: ${e.reason}`),o(t),this._isDeviceLost=!0}_renderBundle(e,t,r){const{bundleGroup:s,camera:i,renderList:n}=e,a=this._currentRenderContext,o=this._bundles.get(s,i),u=this.backend.get(o);void 0===u.renderContexts&&(u.renderContexts=new Set);const l=s.version!==u.version,d=!1===u.renderContexts.has(a)||l;if(u.renderContexts.add(a),d){this.backend.beginBundle(a),(void 0===u.renderObjects||l)&&(u.renderObjects=[]),this._currentRenderBundle=o;const{transparentDoublePass:e,transparent:d,opaque:c}=n;!0===this.opaque&&c.length>0&&this._renderObjects(c,i,t,r),!0===this.transparent&&d.length>0&&this._renderTransparents(d,e,i,t,r),this._currentRenderBundle=null,this.backend.finishBundle(a,o),u.version=s.version}else{const{renderObjects:e}=u;for(let t=0,r=e.length;t<r;t++){const r=e[t];this._nodes.needsRefresh(r)&&(this._nodes.updateBefore(r),this._nodes.updateForRender(r),this._bindings.updateForRender(r),this._nodes.updateAfter(r))}}this.backend.addBundle(a,o)}render(e,t){if(!1===this._initialized)throw new Error('Renderer: .render() called before the backend is initialized. Use "await renderer.init();" before rendering.');this._renderScene(e,t)}get initialized(){return this._initialized}_getFrameBufferTarget(){const{currentToneMapping:e,currentColorSpace:t}=this,r=e!==m,s=t!==p.workingColorSpace;if(!1===r&&!1===s)return null;const{width:i,height:n}=this.getDrawingBufferSize(OS),{depth:a,stencil:o}=this;let u=this._frameBufferTarget;null===u&&(u=new se(i,n,{depthBuffer:a,stencilBuffer:o,type:this._outputBufferType,format:Se,colorSpace:p.workingColorSpace,generateMipmaps:!1,minFilter:oe,magFilter:oe,samples:this.samples}),u.isPostProcessingRenderTarget=!0,this._frameBufferTarget=u);const l=this.getOutputRenderTarget();u.depthBuffer=a,u.stencilBuffer=o,null!==l?u.setSize(l.width,l.height,l.depth):u.setSize(i,n,1);const d=this._canvasTarget;return u.viewport.copy(d._viewport),u.scissor.copy(d._scissor),u.viewport.multiplyScalar(d._pixelRatio),u.scissor.multiplyScalar(d._pixelRatio),u.scissorTest=d._scissorTest,u.multiview=null!==l&&l.multiview,u.resolveDepthBuffer=null===l||l.resolveDepthBuffer,u._autoAllocateDepthBuffer=null!==l&&l._autoAllocateDepthBuffer,u}_renderScene(e,t,r=!0){if(!0===this._isDeviceLost)return;const s=r?this._getFrameBufferTarget():null,i=this._nodes.nodeFrame,n=i.renderId,a=this._currentRenderContext,o=this._currentRenderObjectFunction,u=this._handleObjectFunction;this._callDepth++;const l=!0===e.isScene?e:IS,d=this._renderTarget||this._outputRenderTarget,c=this._activeCubeFace,h=this._activeMipmapLevel;let p;null!==s?(p=s,this.setRenderTarget(p)):p=d;const g=this._renderContexts.get(p,this._mrt,this._callDepth);this._currentRenderContext=g,this._currentRenderObjectFunction=this._renderObjectFunction||this.renderObject,this._handleObjectFunction=this._renderObjectDirect,this.info.calls++,this.info.render.calls++,this.info.render.frameCalls++,i.renderId=this.info.calls,this.backend.updateTimeStampUID(g),this.inspector.beginRender(this.backend.getTimestampUID(g),e,t,p);const m=this.xr;if(!1===m.isPresenting){let e=!1;if(!0===this.reversedDepthBuffer&&!0!==t.reversedDepth){if(t._reversedDepth=!0,t.isArrayCamera)for(const e of t.cameras)e._reversedDepth=!0;e=!0}const r=this.coordinateSystem;if(t.coordinateSystem!==r){if(t.coordinateSystem=r,t.isArrayCamera)for(const e of t.cameras)e.coordinateSystem=r;e=!0}if(!0===e&&(t.updateProjectionMatrix(),t.isArrayCamera))for(const e of t.cameras)e.updateProjectionMatrix()}!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),null===t.parent&&!0===t.matrixWorldAutoUpdate&&t.updateMatrixWorld(),!0===m.enabled&&!0===m.isPresenting&&(!0===m.cameraAutoUpdate&&m.updateCamera(t),t=m.getCamera());const f=this._canvasTarget;let y=f._viewport,b=f._scissor,x=f._pixelRatio;null!==p&&(y=p.viewport,b=p.scissor,x=1),this.getDrawingBufferSize(OS),VS.set(0,0,OS.width,OS.height);const T=void 0===y.minDepth?0:y.minDepth,_=void 0===y.maxDepth?1:y.maxDepth;g.viewportValue.copy(y).multiplyScalar(x).floor(),g.viewportValue.width>>=h,g.viewportValue.height>>=h,g.viewportValue.minDepth=T,g.viewportValue.maxDepth=_,g.viewport=!1===g.viewportValue.equals(VS),g.scissorValue.copy(b).multiplyScalar(x).floor(),g.scissor=f._scissorTest&&!1===g.scissorValue.equals(VS),g.scissorValue.width>>=h,g.scissorValue.height>>=h,g.clippingContext||(g.clippingContext=new bS),g.clippingContext.updateGlobal(l,t),l.onBeforeRender(this,e,t,p);const v=t.isArrayCamera?GS:kS;t.isArrayCamera||(zS.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),v.setFromProjectionMatrix(zS,t.coordinateSystem,t.reversedDepth));const N=this._renderLists.get(e,t);if(N.begin(),this._projectObject(e,t,0,N,g.clippingContext),N.finish(),!0===this.sortObjects&&N.sort(this._opaqueSort,this._transparentSort),null!==p){this._textures.updateRenderTarget(p,h);const e=this._textures.get(p);g.textures=e.textures,g.depthTexture=e.depthTexture,g.width=e.width,g.height=e.height,g.renderTarget=p,g.depth=p.depthBuffer,g.stencil=p.stencilBuffer}else g.textures=null,g.depthTexture=null,g.width=OS.width,g.height=OS.height,g.depth=this.depth,g.stencil=this.stencil;g.width>>=h,g.height>>=h,g.activeCubeFace=c,g.activeMipmapLevel=h,g.occlusionQueryCount=N.occlusionQueryCount,g.scissorValue.max($S.set(0,0,0,0)),g.scissorValue.x+g.scissorValue.width>g.width&&(g.scissorValue.width=Math.max(g.width-g.scissorValue.x,0)),g.scissorValue.y+g.scissorValue.height>g.height&&(g.scissorValue.height=Math.max(g.height-g.scissorValue.y,0)),this._background.update(l,N,g),g.camera=t,this.backend.beginRender(g);const{bundles:S,lightsNode:R,transparentDoublePass:E,transparent:A,opaque:w}=N;return S.length>0&&this._renderBundles(S,l,R),!0===this.opaque&&w.length>0&&this._renderObjects(w,t,l,R),!0===this.transparent&&A.length>0&&this._renderTransparents(A,E,t,l,R),this.backend.finishRender(g),i.renderId=n,this._currentRenderContext=a,this._currentRenderObjectFunction=o,this._handleObjectFunction=u,this._callDepth--,null!==s&&(this.setRenderTarget(d,c,h),this._renderOutput(p)),l.onAfterRender(this,e,t,p),this.inspector.finishRender(this.backend.getTimestampUID(g)),g}_setXRLayerSize(e,t){this._canvasTarget._width=e,this._canvasTarget._height=t,this.setViewport(0,0,e,t)}_renderOutput(e){const t=this._quad;this._nodes.hasOutputChange(e.texture)&&(t.material.fragmentNode=this._nodes.getOutputNode(e.texture),t.material.needsUpdate=!0);const r=this.autoClear,s=this.xr.enabled;this.autoClear=!1,this.xr.enabled=!1,this._renderScene(t,t.camera,!1),this.autoClear=r,this.xr.enabled=s}getMaxAnisotropy(){return this.backend.getMaxAnisotropy()}getActiveCubeFace(){return this._activeCubeFace}getActiveMipmapLevel(){return this._activeMipmapLevel}async setAnimationLoop(e){!1===this._initialized&&await this.init(),this._animation.setAnimationLoop(e)}getAnimationLoop(){return this._animation.getAnimationLoop()}async getArrayBufferAsync(e){return await this.backend.getArrayBufferAsync(e)}getContext(){return this.backend.getContext()}getPixelRatio(){return this._canvasTarget.getPixelRatio()}getDrawingBufferSize(e){return this._canvasTarget.getDrawingBufferSize(e)}getSize(e){return this._canvasTarget.getSize(e)}setPixelRatio(e=1){this._canvasTarget.setPixelRatio(e)}setDrawingBufferSize(e,t,r){this.xr&&this.xr.isPresenting||this._canvasTarget.setDrawingBufferSize(e,t,r)}setSize(e,t,r=!0){this.xr&&this.xr.isPresenting||this._canvasTarget.setSize(e,t,r)}setOpaqueSort(e){this._opaqueSort=e}setTransparentSort(e){this._transparentSort=e}getScissor(e){return this._canvasTarget.getScissor(e)}setScissor(e,t,r,s){this._canvasTarget.setScissor(e,t,r,s)}getScissorTest(){return this._canvasTarget.getScissorTest()}setScissorTest(e){this._canvasTarget.setScissorTest(e),this.backend.setScissorTest(e)}getViewport(e){return this._canvasTarget.getViewport(e)}setViewport(e,t,r,s,i=0,n=1){this._canvasTarget.setViewport(e,t,r,s,i,n)}getClearColor(e){return e.copy(this._clearColor)}setClearColor(e,t=1){this._clearColor.set(e),this._clearColor.a=t}getClearAlpha(){return this._clearColor.a}setClearAlpha(e){this._clearColor.a=e}getClearDepth(){return!0===this.reversedDepthBuffer?1-this._clearDepth:this._clearDepth}setClearDepth(e){this._clearDepth=e}getClearStencil(){return this._clearStencil}setClearStencil(e){this._clearStencil=e}isOccluded(e){const t=this._currentRenderContext;return t&&this.backend.isOccluded(t,e)}clear(e=!0,t=!0,r=!0){if(!1===this._initialized)throw new Error('Renderer: .clear() called before the backend is initialized. Use "await renderer.init();" before before using this method.');const s=this._renderTarget||this._getFrameBufferTarget();let i=null;if(null!==s){this._textures.updateRenderTarget(s);const e=this._textures.get(s);i=this._renderContexts.get(s),i.textures=e.textures,i.depthTexture=e.depthTexture,i.width=e.width,i.height=e.height,i.renderTarget=s,i.depth=s.depthBuffer,i.stencil=s.stencilBuffer;const t=this.backend.getClearColor();i.clearColorValue.r=t.r,i.clearColorValue.g=t.g,i.clearColorValue.b=t.b,i.clearColorValue.a=t.a,i.clearDepthValue=this.getClearDepth(),i.clearStencilValue=this.getClearStencil(),i.activeCubeFace=this.getActiveCubeFace(),i.activeMipmapLevel=this.getActiveMipmapLevel()}this.backend.clear(e,t,r,i),null!==s&&null===this._renderTarget&&this._renderOutput(s)}clearColor(){this.clear(!0,!1,!1)}clearDepth(){this.clear(!1,!0,!1)}clearStencil(){this.clear(!1,!1,!0)}async clearAsync(e=!0,t=!0,r=!0){v('Renderer: "clearAsync()" has been deprecated. Use "clear()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.clear(e,t,r)}async clearColorAsync(){v('Renderer: "clearColorAsync()" has been deprecated. Use "clearColor()" and "await renderer.init();" when creating the renderer.'),this.clear(!0,!1,!1)}async clearDepthAsync(){v('Renderer: "clearDepthAsync()" has been deprecated. Use "clearDepth()" and "await renderer.init();" when creating the renderer.'),this.clear(!1,!0,!1)}async clearStencilAsync(){v('Renderer: "clearStencilAsync()" has been deprecated. Use "clearStencil()" and "await renderer.init();" when creating the renderer.'),this.clear(!1,!1,!0)}get needsFrameBufferTarget(){const e=this.currentToneMapping!==m,t=this.currentColorSpace!==p.workingColorSpace;return e||t}get samples(){return this._samples}get currentSamples(){let e=this._samples;return null!==this._renderTarget?e=this._renderTarget.samples:this.needsFrameBufferTarget&&(e=0),e}get currentToneMapping(){return this.isOutputTarget?this.toneMapping:m}get currentColorSpace(){return this.isOutputTarget?this.outputColorSpace:p.workingColorSpace}get isOutputTarget(){return this._renderTarget===this._outputRenderTarget||null===this._renderTarget}dispose(){!0===this._initialized&&(this.info.dispose(),this.backend.dispose(),this._animation.dispose(),this._objects.dispose(),this._geometries.dispose(),this._pipelines.dispose(),this._nodes.dispose(),this._bindings.dispose(),this._renderLists.dispose(),this._renderContexts.dispose(),this._textures.dispose(),null!==this._frameBufferTarget&&this._frameBufferTarget.dispose(),Object.values(this.backend.timestampQueryPool).forEach(e=>{null!==e&&e.dispose()})),this.setRenderTarget(null),this.setAnimationLoop(null)}setRenderTarget(e,t=0,r=0){this._renderTarget=e,this._activeCubeFace=t,this._activeMipmapLevel=r}getRenderTarget(){return this._renderTarget}setOutputRenderTarget(e){this._outputRenderTarget=e}getOutputRenderTarget(){return this._outputRenderTarget}setCanvasTarget(e){this._canvasTarget.removeEventListener("resize",this._onCanvasTargetResize),this._canvasTarget=e,this._canvasTarget.addEventListener("resize",this._onCanvasTargetResize)}getCanvasTarget(){return this._canvasTarget}_resetXRState(){this.backend.setXRTarget(null),this.setOutputRenderTarget(null),this.setRenderTarget(null),this._frameBufferTarget.dispose(),this._frameBufferTarget=null}setRenderObjectFunction(e){this._renderObjectFunction=e}getRenderObjectFunction(){return this._renderObjectFunction}compute(e,t=null){if(!0===this._isDeviceLost)return;if(!1===this._initialized)return d("Renderer: .compute() called before the backend is initialized. Try using .computeAsync() instead."),this.computeAsync(e,t);const r=this._nodes.nodeFrame,s=r.renderId;this.info.calls++,this.info.compute.calls++,this.info.compute.frameCalls++,r.renderId=this.info.calls,this.backend.updateTimeStampUID(e),this.inspector.beginCompute(this.backend.getTimestampUID(e),e);const i=this.backend,n=this._pipelines,a=this._bindings,o=this._nodes,u=Array.isArray(e)?e:[e];if(void 0===u[0]||!0!==u[0].isComputeNode)throw new Error("THREE.Renderer: .compute() expects a ComputeNode.");i.beginCompute(e);for(const r of u){if(!1===n.has(r)){const e=()=>{r.removeEventListener("dispose",e),n.delete(r),a.deleteForCompute(r),o.delete(r)};r.addEventListener("dispose",e);const t=r.onInitFunction;null!==t&&t.call(r,{renderer:this})}o.updateForCompute(r),a.updateForCompute(r);const s=a.getForCompute(r),u=n.getForCompute(r,s);i.compute(e,r,s,u,t)}i.finishCompute(e),r.renderId=s,this.inspector.finishCompute(this.backend.getTimestampUID(e))}async computeAsync(e,t=null){!1===this._initialized&&await this.init(),this.compute(e,t)}async hasFeatureAsync(e){return v('Renderer: "hasFeatureAsync()" has been deprecated. Use "hasFeature()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.hasFeature(e)}async resolveTimestampsAsync(e="render"){return!1===this._initialized&&await this.init(),this.backend.resolveTimestampsAsync(e)}hasFeature(e){if(!1===this._initialized)throw new Error('Renderer: .hasFeature() called before the backend is initialized. Use "await renderer.init();" before before using this method.');return this.backend.hasFeature(e)}hasInitialized(){return this._initialized}async initTextureAsync(e){v('Renderer: "initTextureAsync()" has been deprecated. Use "initTexture()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.initTexture(e)}initTexture(e){if(!1===this._initialized)throw new Error('Renderer: .initTexture() called before the backend is initialized. Use "await renderer.init();" before before using this method.');this._textures.updateTexture(e)}initRenderTarget(e){if(!1===this._initialized)throw new Error('Renderer: .initRenderTarget() called before the backend is initialized. Use "await renderer.init();" before before using this method.');this._textures.updateRenderTarget(e);const t=this._textures.get(e),r=this._renderContexts.get(e);r.textures=t.textures,r.depthTexture=t.depthTexture,r.width=t.width,r.height=t.height,r.renderTarget=e,r.depth=e.depthBuffer,r.stencil=e.stencilBuffer,this.backend.initRenderTarget(r)}copyFramebufferToTexture(e,t=null){if(null!==t)if(t.isVector2)t=$S.set(t.x,t.y,e.image.width,e.image.height).floor();else{if(!t.isVector4)return void o("Renderer.copyFramebufferToTexture: Invalid rectangle.");t=$S.copy(t).floor()}else t=$S.set(0,0,e.image.width,e.image.height);let r,s=this._currentRenderContext;null!==s?r=s.renderTarget:(r=this._renderTarget||this._getFrameBufferTarget(),null!==r&&(this._textures.updateRenderTarget(r),s=this._textures.get(r))),this._textures.updateTexture(e,{renderTarget:r}),this.backend.copyFramebufferToTexture(e,s,t),this._inspector.copyFramebufferToTexture(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){this._textures.updateTexture(e),this._textures.updateTexture(t),this.backend.copyTextureToTexture(e,t,r,s,i,n),this._inspector.copyTextureToTexture(e,t)}async readRenderTargetPixelsAsync(e,t,r,s,i,n=0,a=0){return this.backend.copyTextureToBuffer(e.textures[n],t,r,s,i,a)}_projectObject(e,t,r,s,i){if(!1===e.visible)return;if(e.layers.test(t.layers))if(e.isGroup)r=e.renderOrder,e.isClippingGroup&&e.enabled&&(i=i.getGroupContext(e));else if(e.isLOD)!0===e.autoUpdate&&e.update(t);else if(e.isLight)s.pushLight(e);else if(e.isSprite){const n=t.isArrayCamera?GS:kS;if(!e.frustumCulled||n.intersectsSprite(e,t)){!0===this.sortObjects&&$S.setFromMatrixPosition(e.matrixWorld).applyMatrix4(zS);const{geometry:t,material:n}=e;n.visible&&s.push(e,t,n,r,$S.z,null,i)}}else if(e.isLineLoop)o("Renderer: Objects of type THREE.LineLoop are not supported. Please use THREE.Line or THREE.LineSegments.");else if(e.isMesh||e.isLine||e.isPoints){const n=t.isArrayCamera?GS:kS;if(!e.frustumCulled||n.intersectsObject(e,t)){const{geometry:t,material:n}=e;if(!0===this.sortObjects&&(null===t.boundingSphere&&t.computeBoundingSphere(),$S.copy(t.boundingSphere.center).applyMatrix4(e.matrixWorld).applyMatrix4(zS)),Array.isArray(n)){const a=t.groups;for(let o=0,u=a.length;o<u;o++){const u=a[o],l=n[u.materialIndex];l&&l.visible&&s.push(e,t,l,r,$S.z,u,i)}}else n.visible&&s.push(e,t,n,r,$S.z,null,i)}}if(!0===e.isBundleGroup&&void 0!==this.backend.beginBundle){const r=s;(s=this._renderLists.get(e,t)).begin(),r.pushBundle({bundleGroup:e,camera:t,renderList:s}),s.finish()}const n=e.children;for(let e=0,a=n.length;e<a;e++)this._projectObject(n[e],t,r,s,i)}_renderBundles(e,t,r){for(const s of e)this._renderBundle(s,t,r)}_renderTransparents(e,t,r,s,i){if(t.length>0){for(const{material:e}of t)e.side=M;this._renderObjects(t,r,s,i,"backSide");for(const{material:e}of t)e.side=dt;this._renderObjects(e,r,s,i);for(const{material:e}of t)e.side=B}else this._renderObjects(e,r,s,i)}_renderObjects(e,t,r,s,i=null){for(let n=0,a=e.length;n<a;n++){const{object:a,geometry:o,material:u,group:l,clippingContext:d}=e[n];this._currentRenderObjectFunction(a,r,t,o,u,l,s,d,i)}}_getShadowNodes(e){const t=e.version;let r=this._cacheShadowNodes.get(e);if(void 0===r||r.version!==t){const s=null!==e.map,i=e.colorNode&&e.colorNode.isNode,n=e.castShadowNode&&e.castShadowNode.isNode,a=e.maskShadowNode&&e.maskShadowNode.isNode||e.maskNode&&e.maskNode.isNode;let o=null,u=null,l=null;if(s||i||n||a){let t,r;if(n?(t=e.castShadowNode.rgb,r=e.castShadowNode.a,!0!==this.shadowMap.transmitted&&v("Renderer: `shadowMap.transmitted` needs to be set to `true` when using `material.castShadowNode`.")):(t=Nn(0),r=mn(1)),s&&(r=r.mul(Lc("map","texture",e).a)),i&&(r=r.mul(e.colorNode.a)),u=An(t,r),a){const t=e.maskShadowNode||e.maskNode;u=ln(([e])=>(t.not().discard(),e))(u)}}e.depthNode&&e.depthNode.isNode&&(l=e.depthNode),e.castShadowPositionNode&&e.castShadowPositionNode.isNode?o=e.castShadowPositionNode:e.positionNode&&e.positionNode.isNode&&(o=e.positionNode),r={version:t,colorNode:u,depthNode:l,positionNode:o},this._cacheShadowNodes.set(e,r)}return r}renderObject(e,t,r,s,i,n,a,o=null,u=null){let l,d,c,h,p=!1;if(e.onBeforeRender(this,t,r,s,i,n),!0===i.allowOverride&&null!==t.overrideMaterial){const e=t.overrideMaterial;if(p=!0,l=e.isNodeMaterial?e.colorNode:null,d=e.isNodeMaterial?e.depthNode:null,c=e.isNodeMaterial?e.positionNode:null,h=t.overrideMaterial.side,i.positionNode&&i.positionNode.isNode&&(e.positionNode=i.positionNode),e.alphaTest=i.alphaTest,e.alphaMap=i.alphaMap,e.transparent=i.transparent||i.transmission>0||i.transmissionNode&&i.transmissionNode.isNode||i.backdropNode&&i.backdropNode.isNode,e.isShadowPassMaterial){const{colorNode:t,depthNode:r,positionNode:s}=this._getShadowNodes(i);this.shadowMap.type===Ye?e.side=null!==i.shadowSide?i.shadowSide:i.side:e.side=null!==i.shadowSide?i.shadowSide:WS[i.side],null!==t&&(e.colorNode=t),null!==r&&(e.depthNode=r),null!==s&&(e.positionNode=s)}i=e}!0===i.transparent&&i.side===B&&!1===i.forceSinglePass?(i.side=M,this._handleObjectFunction(e,i,t,r,a,n,o,"backSide"),i.side=dt,this._handleObjectFunction(e,i,t,r,a,n,o,u),i.side=B):this._handleObjectFunction(e,i,t,r,a,n,o,u),p&&(t.overrideMaterial.colorNode=l,t.overrideMaterial.depthNode=d,t.overrideMaterial.positionNode=c,t.overrideMaterial.side=h),e.onAfterRender(this,t,r,s,i,n)}hasCompatibility(e){return this.backend.hasCompatibility(e)}_renderObjectDirect(e,t,r,s,i,n,a,o){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,a,o);if(u.drawRange=e.geometry.drawRange,u.group=n,null!==this._currentRenderBundle){this.backend.get(this._currentRenderBundle).renderObjects.push(u),u.bundle=this._currentRenderBundle.bundleGroup}const l=this._nodes.needsRefresh(u);l&&(this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u)),this._pipelines.updateForRender(u),this.backend.draw(u,this.info),l&&this._nodes.updateAfter(u)}_createObjectPipeline(e,t,r,s,i,n,a,o){const u=this._objects.get(e,t,r,s,i,this._currentRenderContext,a,o);u.drawRange=e.geometry.drawRange,u.group=n,this._nodes.updateBefore(u),this._geometries.updateForRender(u),this._nodes.updateForRender(u),this._bindings.updateForRender(u),this._pipelines.getForRender(u,this._compilationPromises),this._nodes.updateAfter(u)}_onCanvasTargetResize(){this._initialized&&this.backend.updateSize()}get compile(){return this.compileAsync}}class qS{constructor(e=""){this.name=e,this.visibility=0}setVisibility(e){this.visibility|=e}getVisibility(){return this.visibility}clone(){return Object.assign(new this.constructor,this)}}class jS extends qS{constructor(e,t=null){super(e),this.isBuffer=!0,this.bytesPerElement=Float32Array.BYTES_PER_ELEMENT,this._buffer=t,this._updateRanges=[]}get updateRanges(){return this._updateRanges}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}get byteLength(){return(e=this._buffer.byteLength)+(Sy-e%Sy)%Sy;var e}get buffer(){return this._buffer}update(){return!0}}class XS extends jS{constructor(e,t=null){super(e,t),this.isUniformBuffer=!0}}let KS=0;class YS extends XS{constructor(e,t){super("UniformBuffer_"+KS++,e?e.value:null),this.nodeUniform=e,this.groupNode=t,this.isNodeUniformBuffer=!0}set updateRanges(e){this.nodeUniform.updateRanges=e}get updateRanges(){return this.nodeUniform.updateRanges}addUpdateRange(e,t){this.nodeUniform.addUpdateRange(e,t)}clearUpdateRanges(){this.nodeUniform.clearUpdateRanges()}get buffer(){return this.nodeUniform.value}}class QS extends XS{constructor(e){super(e),this.isUniformsGroup=!0,this._values=null,this.uniforms=[],this._updateRangeCache=new Map}addUniformUpdateRange(e){const t=e.index;if(!0!==this._updateRangeCache.has(t)){const r=this.updateRanges,s={start:e.offset,count:e.itemSize};r.push(s),this._updateRangeCache.set(t,s)}}clearUpdateRanges(){this._updateRangeCache.clear(),super.clearUpdateRanges()}addUniform(e){return this.uniforms.push(e),this}removeUniform(e){const t=this.uniforms.indexOf(e);return-1!==t&&this.uniforms.splice(t,1),this}get values(){return null===this._values&&(this._values=Array.from(this.buffer)),this._values}get buffer(){let e=this._buffer;if(null===e){const t=this.byteLength;e=new Float32Array(new ArrayBuffer(t)),this._buffer=e}return e}get byteLength(){const e=this.bytesPerElement;let t=0;for(let r=0,s=this.uniforms.length;r<s;r++){const s=this.uniforms[r],i=s.boundary,n=s.itemSize*e,a=t%Sy,o=a%i,u=a+o;t+=o,0!==u&&Sy-u<n&&(t+=Sy-u),s.offset=t/e,s.index=r,t+=n}return Math.ceil(t/Sy)*Sy}update(){let e=!1;for(const t of this.uniforms)!0===this.updateByType(t)&&(e=!0);return e}updateByType(e){return e.isNumberUniform?this.updateNumber(e):e.isVector2Uniform?this.updateVector2(e):e.isVector3Uniform?this.updateVector3(e):e.isVector4Uniform?this.updateVector4(e):e.isColorUniform?this.updateColor(e):e.isMatrix3Uniform?this.updateMatrix3(e):e.isMatrix4Uniform?this.updateMatrix4(e):void o("WebGPUUniformsGroup: Unsupported uniform type.",e)}updateNumber(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i]!==s){this._getBufferForType(n)[i]=r[i]=s,t=!0,this.addUniformUpdateRange(e)}return t}updateVector2(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y){const a=this._getBufferForType(n);a[i+0]=r[i+0]=s.x,a[i+1]=r[i+1]=s.y,t=!0,this.addUniformUpdateRange(e)}return t}updateVector3(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z){const a=this._getBufferForType(n);a[i+0]=r[i+0]=s.x,a[i+1]=r[i+1]=s.y,a[i+2]=r[i+2]=s.z,t=!0,this.addUniformUpdateRange(e)}return t}updateVector4(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset,n=e.getType();if(r[i+0]!==s.x||r[i+1]!==s.y||r[i+2]!==s.z||r[i+4]!==s.w){const a=this._getBufferForType(n);a[i+0]=r[i+0]=s.x,a[i+1]=r[i+1]=s.y,a[i+2]=r[i+2]=s.z,a[i+3]=r[i+3]=s.w,t=!0,this.addUniformUpdateRange(e)}return t}updateColor(e){let t=!1;const r=this.values,s=e.getValue(),i=e.offset;if(r[i+0]!==s.r||r[i+1]!==s.g||r[i+2]!==s.b){const n=this.buffer;n[i+0]=r[i+0]=s.r,n[i+1]=r[i+1]=s.g,n[i+2]=r[i+2]=s.b,t=!0,this.addUniformUpdateRange(e)}return t}updateMatrix3(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(r[i+0]!==s[0]||r[i+1]!==s[1]||r[i+2]!==s[2]||r[i+4]!==s[3]||r[i+5]!==s[4]||r[i+6]!==s[5]||r[i+8]!==s[6]||r[i+9]!==s[7]||r[i+10]!==s[8]){const n=this.buffer;n[i+0]=r[i+0]=s[0],n[i+1]=r[i+1]=s[1],n[i+2]=r[i+2]=s[2],n[i+4]=r[i+4]=s[3],n[i+5]=r[i+5]=s[4],n[i+6]=r[i+6]=s[5],n[i+8]=r[i+8]=s[6],n[i+9]=r[i+9]=s[7],n[i+10]=r[i+10]=s[8],t=!0,this.addUniformUpdateRange(e)}return t}updateMatrix4(e){let t=!1;const r=this.values,s=e.getValue().elements,i=e.offset;if(!1===function(e,t,r){for(let s=0,i=t.length;s<i;s++)if(e[r+s]!==t[s])return!1;return!0}(r,s,i)){this.buffer.set(s,i),function(e,t,r){for(let s=0,i=t.length;s<i;s++)e[r+s]=t[s]}(r,s,i),t=!0,this.addUniformUpdateRange(e)}return t}_getBufferForType(e){return"int"===e||"ivec2"===e||"ivec3"===e||"ivec4"===e?new Int32Array(this.buffer.buffer):"uint"===e||"uvec2"===e||"uvec3"===e||"uvec4"===e?new Uint32Array(this.buffer.buffer):this.buffer}}let ZS=0;class JS extends QS{constructor(e,t){super(e),this.id=ZS++,this.groupNode=t,this.isNodeUniformsGroup=!0}}class eR extends qS{constructor(e,t){super(e),this._texture=null,this._onTextureDispose=()=>{this.generation=null,this.version=0},this.texture=t,this.version=t?t.version:0,this.generation=null,this.samplerKey="",this.isSampler=!0}set texture(e){this._texture!==e&&(this._texture&&this._texture.removeEventListener("dispose",this._onTextureDispose),this._texture=e,this.generation=null,this.version=0,this._texture&&this._texture.addEventListener("dispose",this._onTextureDispose))}get texture(){return this._texture}update(){const{texture:e,version:t}=this;return t!==e.version&&(this.version=e.version,!0)}clone(){const e=super.clone();return e._texture=null,e._onTextureDispose=()=>{e.generation=null,e.version=0},e.texture=this.texture,e}}let tR=0;class rR extends eR{constructor(e,t){super(e,t),this.id=tR++,this.store=!1,this.mipLevel=0,this.isSampledTexture=!0}}class sR extends rR{constructor(e,t,r,s=null){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r,this.access=s}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update()}}class iR extends sR{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledCubeTexture=!0}}class nR extends sR{constructor(e,t,r,s=null){super(e,t,r,s),this.isSampledTexture3D=!0}}const aR={bitcast_int_uint:new cT("uint tsl_bitcast_int_to_uint ( int x ) { return floatBitsToUint( intBitsToFloat ( x ) ); }"),bitcast_uint_int:new cT("uint tsl_bitcast_uint_to_int ( uint x ) { return floatBitsToInt( uintBitsToFloat ( x ) ); }")},oR={textureDimensions:"textureSize",equals:"equal",bitcast_float_int:"floatBitsToInt",bitcast_int_float:"intBitsToFloat",bitcast_uint_float:"uintBitsToFloat",bitcast_float_uint:"floatBitsToUint",bitcast_uint_int:"tsl_bitcast_uint_to_int",bitcast_int_uint:"tsl_bitcast_int_to_uint",floatpack_snorm_2x16:"packSnorm2x16",floatpack_unorm_2x16:"packUnorm2x16",floatpack_float16_2x16:"packHalf2x16",floatunpack_snorm_2x16:"unpackSnorm2x16",floatunpack_unorm_2x16:"unpackUnorm2x16",floatunpack_float16_2x16:"unpackHalf2x16"},uR={low:"lowp",medium:"mediump",high:"highp"},lR={swizzleAssign:!0,storageBuffer:!1},dR={perspective:"smooth",linear:"noperspective"},cR={centroid:"centroid"},hR="\nprecision highp float;\nprecision highp int;\nprecision highp sampler2D;\nprecision highp sampler3D;\nprecision highp samplerCube;\nprecision highp sampler2DArray;\n\nprecision highp usampler2D;\nprecision highp usampler3D;\nprecision highp usamplerCube;\nprecision highp usampler2DArray;\n\nprecision highp isampler2D;\nprecision highp isampler3D;\nprecision highp isamplerCube;\nprecision highp isampler2DArray;\n\nprecision highp sampler2DShadow;\nprecision highp sampler2DArrayShadow;\nprecision highp samplerCubeShadow;\n";class pR extends HN{constructor(e,t){super(e,t,new hS),this.uniformGroups={},this.transforms=[],this.extensions={},this.builtins={vertex:[],fragment:[],compute:[]}}needsToWorkingColorSpace(e){return!0===e.isVideoTexture&&e.colorSpace!==T}_include(e){const t=aR[e];return t.build(this),this.addInclude(t),t}getMethod(e){return void 0!==aR[e]&&this._include(e),oR[e]||e}getBitcastMethod(e,t){return this.getMethod(`bitcast_${t}_${e}`)}getFloatPackingMethod(e){return this.getMethod(`floatpack_${e}_2x16`)}getFloatUnpackingMethod(e){return this.getMethod(`floatunpack_${e}_2x16`)}getTernary(e,t,r){return`${e} ? ${t} : ${r}`}getOutputStructName(){return""}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(this.getType(e.type)+" "+e.name);return`${this.getType(t.type)} ${t.name}( ${s.join(", ")} ) {\n\n\t${r.vars}\n\n${r.code}\n\treturn ${r.result};\n\n}`}setupPBO(e){const t=e.value;if(void 0===t.pbo){const e=t.array,r=t.count*t.itemSize,{itemSize:s}=t,i=t.array.constructor.name.toLowerCase().includes("int");let n=i?xt:Tt;2===s?n=i?St:G:3===s?n=i?Rt:Et:4===s&&(n=i?At:Se);const a={Float32Array:j,Uint8Array:Ve,Uint16Array:Nt,Uint32Array:S,Int8Array:vt,Int16Array:_t,Int32Array:R,Uint8ClampedArray:Ve},o=Math.pow(2,Math.ceil(Math.log2(Math.sqrt(r/s))));let u=Math.ceil(r/s/o);o*u*s<r&&u++;const l=o*u*s,d=new e.constructor(l);d.set(e,0),t.array=d;const c=new ye(t.array,o,u,n,a[t.array.constructor.name]||j);c.needsUpdate=!0,c.isPBOTexture=!0;const h=new Ll(c,null,null);h.setPrecision("high"),t.pboNode=h,t.pbo=h.value,this.getUniformFromNode(t.pboNode,"texture",this.shaderStage,this.context.nodeName)}}getPropertyName(e,t=this.shaderStage){return e.isNodeUniform&&!0!==e.node.isTextureNode&&!0!==e.node.isBufferNode?e.name:super.getPropertyName(e,t)}generatePBO(e){const{node:t,indexNode:r}=e,s=t.value;if(this.renderer.backend.has(s)){this.renderer.backend.get(s).pbo=s.pbo}const i=this.getUniformFromNode(s.pboNode,"texture",this.shaderStage,this.context.nodeName),n=this.getPropertyName(i);this.increaseUsage(r);const a=r.build(this,"uint"),o=this.getDataFromNode(e);let u=o.propertyName;if(void 0===u){const r=this.getVarFromNode(e);u=this.getPropertyName(r);const i=this.getDataFromNode(t);let l=i.propertySizeName;void 0===l&&(l=u+"Size",this.getVarFromNode(t,l,"uint"),this.addLineFlowCode(`${l} = uint( textureSize( ${n}, 0 ).x )`,e),i.propertySizeName=l);const{itemSize:d}=s,c="."+ai.join("").slice(0,d),h=`ivec2(${a} % ${l}, ${a} / ${l})`,p=this.generateTextureLoad(null,n,h,"0",null,null);let g="vec4";s.pbo.type===S?g="uvec4":s.pbo.type===R&&(g="ivec4"),this.addLineFlowCode(`${u} = ${g}(${p})${c}`,e),o.propertyName=u}return u}generateTextureLoad(e,t,r,s,i,n){let a;return null===s&&(s="0"),a=i?n?`texelFetchOffset( ${t}, ivec3( ${r}, ${i} ), ${s}, ${n} )`:`texelFetch( ${t}, ivec3( ${r}, ${i} ), ${s} )`:n?`texelFetchOffset( ${t}, ${r}, ${s}, ${n} )`:`texelFetch( ${t}, ${r}, ${s} )`,null!==e&&e.isDepthTexture&&(a+=".x"),a}generateTexture(e,t,r,s,i){return s&&(r=`vec3( ${r}, ${s} )`),e.isDepthTexture?i?`textureOffset( ${t}, ${r}, ${i} ).x`:`texture( ${t}, ${r} ).x`:i?`textureOffset( ${t}, ${r}, ${i} )`:`texture( ${t}, ${r} )`}generateTextureLevel(e,t,r,s,i){return i?`textureLodOffset( ${t}, ${r}, ${s}, ${i} )`:`textureLod( ${t}, ${r}, ${s} )`}generateTextureBias(e,t,r,s,i){return i?`textureOffset( ${t}, ${r}, ${i}, ${s} )`:`texture( ${t}, ${r}, ${s} )`}generateTextureGrad(e,t,r,s,i){return i?`textureGradOffset( ${t}, ${r}, ${s[0]}, ${s[1]}, ${i} )`:`textureGrad( ${t}, ${r}, ${s[0]}, ${s[1]} )`}generateTextureCompare(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return e.isCubeTexture?`texture( ${t}, vec4( ${r}, ${s} ) )`:i?n?`textureOffset( ${t}, vec4( ${r}, ${i}, ${s} ), ${n} )`:`texture( ${t}, vec4( ${r}, ${i}, ${s} ) )`:n?`textureOffset( ${t}, vec3( ${r}, ${s} ), ${n} )`:`texture( ${t}, vec3( ${r}, ${s} ) )`;o(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${a} shader.`)}getVars(e){const t=[],r=this.vars[e];if(void 0!==r)for(const e of r)t.push(`${this.getVar(e.type,e.name,e.count)};`);return t.join("\n\t")}getUniforms(e){const t=this.uniforms[e],r=[],s={};for(const e of t){let t=null,i=!1;if("texture"===e.type||"texture3D"===e.type){const r=e.node.value;let s="";!0!==r.isDataTexture&&!0!==r.isData3DTexture||(r.type===S?s="u":r.type===R&&(s="i")),t="texture3D"===e.type&&!1===r.isArrayTexture?`${s}sampler3D ${e.name};`:r.compareFunction?!0===r.isArrayTexture?`sampler2DArrayShadow ${e.name};`:`sampler2DShadow ${e.name};`:!0===r.isArrayTexture||!0===r.isDataArrayTexture||!0===r.isCompressedArrayTexture?`${s}sampler2DArray ${e.name};`:`${s}sampler2D ${e.name};`}else if("cubeTexture"===e.type)t=`samplerCube ${e.name};`;else if("cubeDepthTexture"===e.type){t=e.node.value.compareFunction?`samplerCubeShadow ${e.name};`:`samplerCube ${e.name};`}else if("buffer"===e.type){const r=e.node,s=this.getType(r.bufferType),i=r.bufferCount,n=i>0?i:"";t=`${r.name} {\n\t${s} ${e.name}[${n}];\n};\n`}else{const t=e.groupNode.name;if(void 0===s[t]){const e=this.uniformGroups[t];if(void 0!==e){const r=[];for(const t of e.uniforms){const e=t.getType(),s=this.getVectorType(e),i=t.nodeUniform.node.precision;let n=`${s} ${t.name};`;null!==i&&(n=uR[i]+" "+n),r.push("\t"+n)}s[t]=r}}i=!0}if(!i){const s=e.node.precision;null!==s&&(t=uR[s]+" "+t),t="uniform "+t,r.push(t)}}let i="";for(const e in s){const t=s[e];i+=this._getGLSLUniformStruct(e,t.join("\n"))+"\n"}return i+=r.join("\n"),i}getTypeFromAttribute(e){let t=super.getTypeFromAttribute(e);if(/^[iu]/.test(t)&&e.gpuType!==R){let r=e;e.isInterleavedBufferAttribute&&(r=e.data);const s=r.array;!1==(s instanceof Uint32Array||s instanceof Int32Array)&&(t=t.slice(1))}return t}getAttributes(e){let t="";if("vertex"===e||"compute"===e){const e=this.getAttributesArray();let r=0;for(const s of e)t+=`layout( location = ${r++} ) in ${s.type} ${s.name};\n`}return t}getStructMembers(e){const t=[];for(const r of e.members)t.push(`\t${r.type} ${r.name};`);return t.join("\n")}getStructs(e){const t=[],r=this.structs[e],s=[];for(const e of r)if(e.output)for(const t of e.members)s.push(`layout( location = ${t.index} ) out ${t.type} ${t.name};`);else{let r="struct "+e.name+" {\n";r+=this.getStructMembers(e),r+="\n};\n",t.push(r)}return 0===s.length&&s.push("layout( location = 0 ) out vec4 fragColor;"),"\n"+s.join("\n")+"\n\n"+t.join("\n")}getVaryings(e){let t="";const r=this.varyings;if("vertex"===e||"compute"===e)for(const s of r){"compute"===e&&(s.needsInterpolation=!0);const r=this.getType(s.type);if(s.needsInterpolation)if(s.interpolationType){t+=`${dR[s.interpolationType]||s.interpolationType} ${cR[s.interpolationSampling]||""} out ${r} ${s.name};\n`}else{t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}out ${r} ${s.name};\n`}else t+=`${r} ${s.name};\n`}else if("fragment"===e)for(const e of r)if(e.needsInterpolation){const r=this.getType(e.type);if(e.interpolationType){t+=`${dR[e.interpolationType]||e.interpolationType} ${cR[e.interpolationSampling]||""} in ${r} ${e.name};\n`}else{t+=`${r.includes("int")||r.includes("uv")||r.includes("iv")?"flat ":""}in ${r} ${e.name};\n`}}for(const r of this.builtins[e])t+=`${r};\n`;return t}getVertexIndex(){return"uint( gl_VertexID )"}getInstanceIndex(){return"uint( gl_InstanceID )"}getInvocationLocalIndex(){return`uint( gl_InstanceID ) % ${this.object.workgroupSize.reduce((e,t)=>e*t,1)}u`}getSubgroupSize(){o("GLSLNodeBuilder: WebGLBackend does not support the subgroupSize node")}getInvocationSubgroupIndex(){o("GLSLNodeBuilder: WebGLBackend does not support the invocationSubgroupIndex node")}getSubgroupIndex(){o("GLSLNodeBuilder: WebGLBackend does not support the subgroupIndex node")}getDrawIndex(){return this.renderer.backend.extensions.has("WEBGL_multi_draw")?"uint( gl_DrawID )":null}getFrontFacing(){return"gl_FrontFacing"}getFragCoord(){return"gl_FragCoord.xy"}getFragDepth(){return"gl_FragDepth"}enableExtension(e,t,r=this.shaderStage){const s=this.extensions[r]||(this.extensions[r]=new Map);!1===s.has(e)&&s.set(e,{name:e,behavior:t})}getExtensions(e){const t=[];if("vertex"===e){const t=this.renderer.backend.extensions;this.object.isBatchedMesh&&t.has("WEBGL_multi_draw")&&this.enableExtension("GL_ANGLE_multi_draw","require",e)}const r=this.extensions[e];if(void 0!==r)for(const{name:e,behavior:s}of r.values())t.push(`#extension ${e} : ${s}`);return t.join("\n")}getClipDistance(){return"gl_ClipDistance"}isAvailable(e){let t=lR[e];if(void 0===t){let r;switch(t=!1,e){case"float32Filterable":r="OES_texture_float_linear";break;case"clipDistance":r="WEBGL_clip_cull_distance"}if(void 0!==r){const e=this.renderer.backend.extensions;e.has(r)&&(e.get(r),t=!0)}lR[e]=t}return t}isFlipY(){return!0}getUniformBufferLimit(){const e=this.renderer.backend.gl;return e.getParameter(e.MAX_UNIFORM_BLOCK_SIZE)}enableHardwareClipping(e){this.enableExtension("GL_ANGLE_clip_cull_distance","require"),this.builtins.vertex.push(`out float gl_ClipDistance[ ${e} ]`)}enableMultiview(){this.enableExtension("GL_OVR_multiview2","require","fragment"),this.enableExtension("GL_OVR_multiview2","require","vertex"),this.builtins.vertex.push("layout(num_views = 2) in")}registerTransform(e,t){this.transforms.push({varyingName:e,attributeNode:t})}getTransforms(){const e=this.transforms;let t="";for(let r=0;r<e.length;r++){const s=e[r],i=this.getPropertyName(s.attributeNode);i&&(t+=`${s.varyingName} = ${i};\n\t`)}return t}_getGLSLUniformStruct(e,t){return`\nlayout( std140 ) uniform ${e} {\n${t}\n};`}_getGLSLVertexCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// extensions\n${e.extensions}\n\n// precision\n${hR}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// attributes\n${e.attributes}\n\n// codes\n${e.codes}\n\nvoid main() {\n\n\t// vars\n\t${e.vars}\n\n\t// transforms\n\t${e.transforms}\n\n\t// flow\n\t${e.flow}\n\n\tgl_PointSize = 1.0;\n\n}\n`}_getGLSLFragmentCode(e){return`#version 300 es\n\n${this.getSignature()}\n\n// extensions\n${e.extensions}\n\n// precision\n${hR}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\n\n// codes\n${e.codes}\n\nvoid main() {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){let r="// code\n\n";r+=this.flowCode[t];const s=this.flowNodes[t],i=s[s.length-1];for(const e of s){const s=this.getFlowData(e),n=e.name;n&&(r.length>0&&(r+="\n"),r+=`\t// flow -> ${n}\n\t`),r+=`${s.code}\n\t`,e===i&&"compute"!==t&&(r+="// result\n\t","vertex"===t?(r+="gl_Position = ",r+=`${s.result};`):"fragment"===t&&(e.outputNode.isOutputStructNode||(r+="fragColor = ",r+=`${s.result};`)))}const n=e[t];n.extensions=this.getExtensions(t),n.uniforms=this.getUniforms(t),n.attributes=this.getAttributes(t),n.varyings=this.getVaryings(t),n.vars=this.getVars(t),n.structs=this.getStructs(t),n.codes=this.getCodes(t),n.transforms=this.getTransforms(t),n.flow=r}null!==this.material?(this.vertexShader=this._getGLSLVertexCode(e.vertex),this.fragmentShader=this._getGLSLFragmentCode(e.fragment)):this.computeShader=this._getGLSLVertexCode(e.compute)}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);let a=n.uniformGPU;if(void 0===a){const s=e.groupNode,o=s.name,u=this.getBindGroupArray(o,r);if("texture"===t)a=new sR(i.name,i.node,s),u.push(a);else if("cubeTexture"===t||"cubeDepthTexture"===t)a=new iR(i.name,i.node,s),u.push(a);else if("texture3D"===t)a=new nR(i.name,i.node,s),u.push(a);else if("buffer"===t){i.name=`buffer${e.id}`;const t=this.getSharedDataFromNode(e);let r=t.buffer;void 0===r&&(e.name=`NodeBuffer_${e.id}`,r=new YS(e,s),r.name=e.name,t.buffer=r),u.push(r),a=r}else{let e=this.uniformGroups[o];void 0===e?(e=new JS(o,s),this.uniformGroups[o]=e,u.push(e)):-1===u.indexOf(e)&&u.push(e),a=this.getNodeUniform(i,t);const r=a.name;e.uniforms.some(e=>e.name===r)||e.addUniform(a)}n.uniformGPU=a}return i}}let gR=null,mR=null;class fR{constructor(e={}){this.parameters=Object.assign({},e),this.data=new WeakMap,this.renderer=null,this.domElement=null,this.timestampQueryPool={[wt.RENDER]:null,[wt.COMPUTE]:null},this.trackTimestamp=!0===e.trackTimestamp}async init(e){this.renderer=e}get coordinateSystem(){}beginRender(){}finishRender(){}beginCompute(){}finishCompute(){}draw(){}compute(){}createProgram(){}destroyProgram(){}createBindings(){}updateBindings(){}updateBinding(){}createRenderPipeline(){}createComputePipeline(){}needsRenderUpdate(){}getRenderCacheKey(){}createNodeBuilder(){}updateSampler(){}createDefaultTexture(){}createTexture(){}updateTexture(){}generateMipmaps(){}destroyTexture(){}async copyTextureToBuffer(){}copyTextureToTexture(){}copyFramebufferToTexture(){}createAttribute(){}createIndexAttribute(){}createStorageAttribute(){}updateAttribute(){}destroyAttribute(){}getContext(){}updateSize(){}updateViewport(){}updateTimeStampUID(e){const t=this.get(e),r=this.renderer.info.frame;let s;s=!0===e.isComputeNode?"c:"+this.renderer.info.compute.frameCalls:"r:"+this.renderer.info.render.frameCalls,t.timestampUID=s+":"+e.id+":f"+r}getTimestampUID(e){return this.get(e).timestampUID}getTimestampFrames(e){const t=this.timestampQueryPool[e];return t?t.getTimestampFrames():[]}_getQueryPool(e){const t=e.startsWith("c:")?wt.COMPUTE:wt.RENDER;return this.timestampQueryPool[t]}getTimestamp(e){return this._getQueryPool(e).getTimestamp(e)}hasTimestamp(e){return this._getQueryPool(e).hasTimestamp(e)}isOccluded(){}async resolveTimestampsAsync(e="render"){if(!this.trackTimestamp)return void v("WebGPURenderer: Timestamp tracking is disabled.");const t=this.timestampQueryPool[e];if(!t)return;const r=await t.resolveQueriesAsync();return this.renderer.info[e].timestamp=r,r}async getArrayBufferAsync(){}async hasFeatureAsync(){}hasFeature(){}getMaxAnisotropy(){}getDrawingBufferSize(){return gR=gR||new t,this.renderer.getDrawingBufferSize(gR)}setScissorTest(){}getClearColor(){const e=this.renderer;return mR=mR||new Yy,e.getClearColor(mR),mR.getRGB(mR),mR}getDomElement(){let e=this.domElement;return null===e&&(e=void 0!==this.parameters.canvas?this.parameters.canvas:Ct(),"setAttribute"in e&&e.setAttribute("data-engine",`three.js r${ot} webgpu`),this.domElement=e),e}hasCompatibility(){return!1}initRenderTarget(){}set(e,t){this.data.set(e,t)}get(e){let t=this.data.get(e);return void 0===t&&(t={},this.data.set(e,t)),t}has(e){return this.data.has(e)}delete(e){this.data.delete(e)}deleteBindGroupData(){}dispose(){}}let yR,bR,xR=0;class TR{constructor(e,t){this.buffers=[e.bufferGPU,t],this.type=e.type,this.bufferType=e.bufferType,this.pbo=e.pbo,this.byteLength=e.byteLength,this.bytesPerElement=e.BYTES_PER_ELEMENT,this.version=e.version,this.isInteger=e.isInteger,this.activeBufferIndex=0,this.baseId=e.id}get id(){return`${this.baseId}|${this.activeBufferIndex}`}get bufferGPU(){return this.buffers[this.activeBufferIndex]}get transformBuffer(){return this.buffers[1^this.activeBufferIndex]}switchBuffers(){this.activeBufferIndex^=1}}class _R{constructor(e){this.backend=e}createAttribute(e,t){const r=this.backend,{gl:s}=r,i=e.array,n=e.usage||s.STATIC_DRAW,a=e.isInterleavedBufferAttribute?e.data:e,o=r.get(a);let u,l=o.bufferGPU;if(void 0===l&&(l=this._createBuffer(s,t,i,n),o.bufferGPU=l,o.bufferType=t,o.version=a.version),i instanceof Float32Array)u=s.FLOAT;else if("undefined"!=typeof Float16Array&&i instanceof Float16Array)u=s.HALF_FLOAT;else if(i instanceof Uint16Array)u=e.isFloat16BufferAttribute?s.HALF_FLOAT:s.UNSIGNED_SHORT;else if(i instanceof Int16Array)u=s.SHORT;else if(i instanceof Uint32Array)u=s.UNSIGNED_INT;else if(i instanceof Int32Array)u=s.INT;else if(i instanceof Int8Array)u=s.BYTE;else if(i instanceof Uint8Array)u=s.UNSIGNED_BYTE;else{if(!(i instanceof Uint8ClampedArray))throw new Error("THREE.WebGLBackend: Unsupported buffer data format: "+i);u=s.UNSIGNED_BYTE}let d={bufferGPU:l,bufferType:t,type:u,byteLength:i.byteLength,bytesPerElement:i.BYTES_PER_ELEMENT,version:e.version,pbo:e.pbo,isInteger:u===s.INT||u===s.UNSIGNED_INT||e.gpuType===R,id:xR++};if(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute){const e=this._createBuffer(s,t,i,n);d=new TR(d,e)}r.set(e,d)}updateAttribute(e){const t=this.backend,{gl:r}=t,s=e.array,i=e.isInterleavedBufferAttribute?e.data:e,n=t.get(i),a=n.bufferType,o=e.isInterleavedBufferAttribute?e.data.updateRanges:e.updateRanges;if(r.bindBuffer(a,n.bufferGPU),0===o.length)r.bufferSubData(a,0,s);else{for(let e=0,t=o.length;e<t;e++){const t=o[e];r.bufferSubData(a,t.start*s.BYTES_PER_ELEMENT,s,t.start,t.count)}i.clearUpdateRanges()}r.bindBuffer(a,null),n.version=i.version}destroyAttribute(e){const t=this.backend,{gl:r}=t;e.isInterleavedBufferAttribute&&t.delete(e.data);const s=t.get(e);r.deleteBuffer(s.bufferGPU),t.delete(e)}async getArrayBufferAsync(e){const t=this.backend,{gl:r}=t,s=e.isInterleavedBufferAttribute?e.data:e,{bufferGPU:i}=t.get(s),n=e.array,a=n.byteLength;r.bindBuffer(r.COPY_READ_BUFFER,i);const o=r.createBuffer();r.bindBuffer(r.COPY_WRITE_BUFFER,o),r.bufferData(r.COPY_WRITE_BUFFER,a,r.STREAM_READ),r.copyBufferSubData(r.COPY_READ_BUFFER,r.COPY_WRITE_BUFFER,0,0,a),await t.utils._clientWaitAsync();const u=new e.array.constructor(n.length);return r.bindBuffer(r.COPY_WRITE_BUFFER,o),r.getBufferSubData(r.COPY_WRITE_BUFFER,0,u),r.deleteBuffer(o),r.bindBuffer(r.COPY_READ_BUFFER,null),r.bindBuffer(r.COPY_WRITE_BUFFER,null),u.buffer}_createBuffer(e,t,r,s){const i=e.createBuffer();return e.bindBuffer(t,i),e.bufferData(t,r,s),e.bindBuffer(t,null),i}}class vR{constructor(e){this.backend=e,this.gl=this.backend.gl,this.enabled={},this.currentFlipSided=null,this.currentCullFace=null,this.currentProgram=null,this.currentBlendingEnabled=!1,this.currentBlending=null,this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentPremultipledAlpha=null,this.currentPolygonOffsetFactor=null,this.currentPolygonOffsetUnits=null,this.currentColorMask=null,this.currentDepthReversed=!1,this.currentDepthFunc=null,this.currentDepthMask=null,this.currentStencilFunc=null,this.currentStencilRef=null,this.currentStencilFuncMask=null,this.currentStencilFail=null,this.currentStencilZFail=null,this.currentStencilZPass=null,this.currentStencilMask=null,this.currentLineWidth=null,this.currentClippingPlanes=0,this.currentVAO=null,this.currentIndex=null,this.currentBoundFramebuffers={},this.currentDrawbuffers=new WeakMap,this.maxTextures=this.gl.getParameter(this.gl.MAX_TEXTURE_IMAGE_UNITS),this.currentTextureSlot=null,this.currentBoundTextures={},this.currentBoundBufferBases={},this._init()}_init(){const e=this.gl;yR={[$e]:e.FUNC_ADD,[Bt]:e.FUNC_SUBTRACT,[Mt]:e.FUNC_REVERSE_SUBTRACT},bR={[ht]:e.ZERO,[Vt]:e.ONE,[Ot]:e.SRC_COLOR,[Ge]:e.SRC_ALPHA,[It]:e.SRC_ALPHA_SATURATE,[Ut]:e.DST_COLOR,[Dt]:e.DST_ALPHA,[Pt]:e.ONE_MINUS_SRC_COLOR,[ze]:e.ONE_MINUS_SRC_ALPHA,[Lt]:e.ONE_MINUS_DST_COLOR,[Ft]:e.ONE_MINUS_DST_ALPHA};const t=e.getParameter(e.SCISSOR_BOX),r=e.getParameter(e.VIEWPORT);this.currentScissor=(new s).fromArray(t),this.currentViewport=(new s).fromArray(r),this._tempVec4=new s}enable(e){const{enabled:t}=this;!0!==t[e]&&(this.gl.enable(e),t[e]=!0)}disable(e){const{enabled:t}=this;!1!==t[e]&&(this.gl.disable(e),t[e]=!1)}setFlipSided(e){if(this.currentFlipSided!==e){const{gl:t}=this;e?t.frontFace(t.CW):t.frontFace(t.CCW),this.currentFlipSided=e}}setCullFace(e){const{gl:t}=this;e!==kt?(this.enable(t.CULL_FACE),e!==this.currentCullFace&&(e===Gt?t.cullFace(t.BACK):e===zt?t.cullFace(t.FRONT):t.cullFace(t.FRONT_AND_BACK))):this.disable(t.CULL_FACE),this.currentCullFace=e}setLineWidth(e){const{currentLineWidth:t,gl:r}=this;e!==t&&(r.lineWidth(e),this.currentLineWidth=e)}setMRTBlending(e,t,r){const s=this.gl,i=this.backend.drawBuffersIndexedExt;if(i)for(let n=0;n<e.length;n++){const a=e[n];let o=null;if(null!==t){const e=t.getBlendMode(a.name);e.blending===We?o=r:e.blending!==ee&&(o=e)}else o=r;null!==o?this._setMRTBlendingIndex(n,o):i.blendFuncSeparateiOES(n,s.ONE,s.ZERO,s.ONE,s.ZERO)}else v("WebGPURenderer: Multiple Render Targets (MRT) blending configuration is not fully supported in compatibility mode. The material blending will be used for all render targets.")}_setMRTBlendingIndex(e,t){const{gl:r}=this,s=this.backend.drawBuffersIndexedExt,i=t.blending,n=t.blendSrc,a=t.blendDst,o=t.blendEquation,u=t.premultipliedAlpha;if(i===ct){const r=null!==t.blendSrcAlpha?t.blendSrcAlpha:n,i=null!==t.blendDstAlpha?t.blendDstAlpha:a,u=null!==t.blendEquationAlpha?t.blendEquationAlpha:o;s.blendEquationSeparateiOES(e,yR[o],yR[u]),s.blendFuncSeparateiOES(e,bR[n],bR[a],bR[r],bR[i])}else if(s.blendEquationSeparateiOES(e,r.FUNC_ADD,r.FUNC_ADD),u)switch(i){case ke:s.blendFuncSeparateiOES(e,r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA);break;case Ht:s.blendFuncSeparateiOES(e,r.ONE,r.ONE,r.ONE,r.ONE);break;case Wt:s.blendFuncSeparateiOES(e,r.ZERO,r.ONE_MINUS_SRC_COLOR,r.ZERO,r.ONE);break;case $t:s.blendFuncSeparateiOES(e,r.DST_COLOR,r.ONE_MINUS_SRC_ALPHA,r.ZERO,r.ONE);break;default:s.blendFuncSeparateiOES(e,r.ONE,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}else switch(i){case ke:s.blendFuncSeparateiOES(e,r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA);break;case Ht:s.blendFuncSeparateiOES(e,r.SRC_ALPHA,r.ONE,r.ONE,r.ONE);break;case Wt:s.blendFuncSeparateiOES(e,r.ZERO,r.ONE_MINUS_SRC_COLOR,r.ZERO,r.ONE);break;case $t:s.blendFuncSeparateiOES(e,r.DST_COLOR,r.ONE_MINUS_SRC_ALPHA,r.ZERO,r.ONE);break;default:s.blendFuncSeparateiOES(e,r.SRC_ALPHA,r.ONE_MINUS_SRC_ALPHA,r.ONE,r.ONE_MINUS_SRC_ALPHA)}}setBlending(e,t,r,s,i,n,a,u){const{gl:l}=this;if(e!==ee){if(!1===this.currentBlendingEnabled&&(this.enable(l.BLEND),this.currentBlendingEnabled=!0),e===ct)i=i||t,n=n||r,a=a||s,t===this.currentBlendEquation&&i===this.currentBlendEquationAlpha||(l.blendEquationSeparate(yR[t],yR[i]),this.currentBlendEquation=t,this.currentBlendEquationAlpha=i),r===this.currentBlendSrc&&s===this.currentBlendDst&&n===this.currentBlendSrcAlpha&&a===this.currentBlendDstAlpha||(l.blendFuncSeparate(bR[r],bR[s],bR[n],bR[a]),this.currentBlendSrc=r,this.currentBlendDst=s,this.currentBlendSrcAlpha=n,this.currentBlendDstAlpha=a),this.currentBlending=e,this.currentPremultipledAlpha=!1;else if(e!==this.currentBlending||u!==this.currentPremultipledAlpha){if(this.currentBlendEquation===$e&&this.currentBlendEquationAlpha===$e||(l.blendEquation(l.FUNC_ADD),this.currentBlendEquation=$e,this.currentBlendEquationAlpha=$e),u)switch(e){case ke:l.blendFuncSeparate(l.ONE,l.ONE_MINUS_SRC_ALPHA,l.ONE,l.ONE_MINUS_SRC_ALPHA);break;case Ht:l.blendFunc(l.ONE,l.ONE);break;case Wt:l.blendFuncSeparate(l.ZERO,l.ONE_MINUS_SRC_COLOR,l.ZERO,l.ONE);break;case $t:l.blendFuncSeparate(l.DST_COLOR,l.ONE_MINUS_SRC_ALPHA,l.ZERO,l.ONE);break;default:o("WebGLState: Invalid blending: ",e)}else switch(e){case ke:l.blendFuncSeparate(l.SRC_ALPHA,l.ONE_MINUS_SRC_ALPHA,l.ONE,l.ONE_MINUS_SRC_ALPHA);break;case Ht:l.blendFuncSeparate(l.SRC_ALPHA,l.ONE,l.ONE,l.ONE);break;case Wt:o("WebGLState: SubtractiveBlending requires material.premultipliedAlpha = true");break;case $t:o("WebGLState: MultiplyBlending requires material.premultipliedAlpha = true");break;default:o("WebGLState: Invalid blending: ",e)}this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentBlending=e,this.currentPremultipledAlpha=u}}else!0===this.currentBlendingEnabled&&(this.disable(l.BLEND),this.currentBlendingEnabled=!1)}setColorMask(e){this.currentColorMask!==e&&(this.gl.colorMask(e,e,e,e),this.currentColorMask=e)}setDepthTest(e){const{gl:t}=this;e?this.enable(t.DEPTH_TEST):this.disable(t.DEPTH_TEST)}setReversedDepth(e){if(this.currentDepthReversed!==e){const t=this.backend.extensions.get("EXT_clip_control");e?t.clipControlEXT(t.LOWER_LEFT_EXT,t.ZERO_TO_ONE_EXT):t.clipControlEXT(t.LOWER_LEFT_EXT,t.NEGATIVE_ONE_TO_ONE_EXT),this.currentDepthReversed=e}}setDepthMask(e){this.currentDepthMask!==e&&(this.gl.depthMask(e),this.currentDepthMask=e)}setDepthFunc(e){if(this.currentDepthReversed&&(e=er[e]),this.currentDepthFunc!==e){const{gl:t}=this;switch(e){case Jt:t.depthFunc(t.NEVER);break;case Zt:t.depthFunc(t.ALWAYS);break;case Qt:t.depthFunc(t.LESS);break;case Yt:t.depthFunc(t.LEQUAL);break;case Kt:t.depthFunc(t.EQUAL);break;case Xt:t.depthFunc(t.GEQUAL);break;case jt:t.depthFunc(t.GREATER);break;case qt:t.depthFunc(t.NOTEQUAL);break;default:t.depthFunc(t.LEQUAL)}this.currentDepthFunc=e}}scissor(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentScissor.equals(i)){const{gl:e}=this;e.scissor(i.x,i.y,i.z,i.w),this.currentScissor.copy(i)}}viewport(e,t,r,s){const i=this._tempVec4.set(e,t,r,s);if(!1===this.currentViewport.equals(i)){const{gl:e}=this;e.viewport(i.x,i.y,i.z,i.w),this.currentViewport.copy(i)}}setScissorTest(e){const t=this.gl;e?this.enable(t.SCISSOR_TEST):this.disable(t.SCISSOR_TEST)}setStencilTest(e){const{gl:t}=this;e?this.enable(t.STENCIL_TEST):this.disable(t.STENCIL_TEST)}setStencilMask(e){this.currentStencilMask!==e&&(this.gl.stencilMask(e),this.currentStencilMask=e)}setStencilFunc(e,t,r){this.currentStencilFunc===e&&this.currentStencilRef===t&&this.currentStencilFuncMask===r||(this.gl.stencilFunc(e,t,r),this.currentStencilFunc=e,this.currentStencilRef=t,this.currentStencilFuncMask=r)}setStencilOp(e,t,r){this.currentStencilFail===e&&this.currentStencilZFail===t&&this.currentStencilZPass===r||(this.gl.stencilOp(e,t,r),this.currentStencilFail=e,this.currentStencilZFail=t,this.currentStencilZPass=r)}setMaterial(e,t,r){const{gl:s}=this;e.side===B?this.disable(s.CULL_FACE):this.enable(s.CULL_FACE);let i=e.side===M;t&&(i=!i),this.setFlipSided(i),e.blending===ke&&!1===e.transparent?this.setBlending(ee):this.setBlending(e.blending,e.blendEquation,e.blendSrc,e.blendDst,e.blendEquationAlpha,e.blendSrcAlpha,e.blendDstAlpha,e.premultipliedAlpha),this.setDepthFunc(e.depthFunc),this.setDepthTest(e.depthTest),this.setDepthMask(e.depthWrite),this.setColorMask(e.colorWrite);const n=e.stencilWrite;if(this.setStencilTest(n),n&&(this.setStencilMask(e.stencilWriteMask),this.setStencilFunc(e.stencilFunc,e.stencilRef,e.stencilFuncMask),this.setStencilOp(e.stencilFail,e.stencilZFail,e.stencilZPass)),this.setPolygonOffset(e.polygonOffset,e.polygonOffsetFactor,e.polygonOffsetUnits),!0===e.alphaToCoverage&&this.backend.renderer.currentSamples>0?this.enable(s.SAMPLE_ALPHA_TO_COVERAGE):this.disable(s.SAMPLE_ALPHA_TO_COVERAGE),r>0&&this.currentClippingPlanes!==r){const e=12288;for(let t=0;t<8;t++)t<r?this.enable(e+t):this.disable(e+t)}}setPolygonOffset(e,t,r){const{gl:s}=this;e?(this.enable(s.POLYGON_OFFSET_FILL),this.currentPolygonOffsetFactor===t&&this.currentPolygonOffsetUnits===r||(s.polygonOffset(t,r),this.currentPolygonOffsetFactor=t,this.currentPolygonOffsetUnits=r)):this.disable(s.POLYGON_OFFSET_FILL)}useProgram(e){return this.currentProgram!==e&&(this.gl.useProgram(e),this.currentProgram=e,!0)}setVertexState(e,t=null){const r=this.gl;return(this.currentVAO!==e||this.currentIndex!==t)&&(r.bindVertexArray(e),null!==t&&r.bindBuffer(r.ELEMENT_ARRAY_BUFFER,t),this.currentVAO=e,this.currentIndex=t,!0)}resetVertexState(){const e=this.gl;e.bindVertexArray(null),e.bindBuffer(e.ELEMENT_ARRAY_BUFFER,null),this.currentVAO=null,this.currentIndex=null}bindFramebuffer(e,t){const{gl:r,currentBoundFramebuffers:s}=this;return s[e]!==t&&(r.bindFramebuffer(e,t),s[e]=t,e===r.DRAW_FRAMEBUFFER&&(s[r.FRAMEBUFFER]=t),e===r.FRAMEBUFFER&&(s[r.DRAW_FRAMEBUFFER]=t),!0)}drawBuffers(e,t){const{gl:r}=this;let s=[],i=!1;if(null!==e.textures){s=this.currentDrawbuffers.get(t),void 0===s&&(s=[],this.currentDrawbuffers.set(t,s));const n=e.textures;if(s.length!==n.length||s[0]!==r.COLOR_ATTACHMENT0){for(let e=0,t=n.length;e<t;e++)s[e]=r.COLOR_ATTACHMENT0+e;s.length=n.length,i=!0}}else s[0]!==r.BACK&&(s[0]=r.BACK,i=!0);i&&r.drawBuffers(s)}activeTexture(e){const{gl:t,currentTextureSlot:r,maxTextures:s}=this;void 0===e&&(e=t.TEXTURE0+s-1),r!==e&&(t.activeTexture(e),this.currentTextureSlot=e)}bindTexture(e,t,r){const{gl:s,currentTextureSlot:i,currentBoundTextures:n,maxTextures:a}=this;void 0===r&&(r=null===i?s.TEXTURE0+a-1:i);let o=n[r];void 0===o&&(o={type:void 0,texture:void 0},n[r]=o),o.type===e&&o.texture===t||(i!==r&&(s.activeTexture(r),this.currentTextureSlot=r),s.bindTexture(e,t),o.type=e,o.texture=t)}bindBufferBase(e,t,r){const{gl:s}=this,i=`${e}-${t}`;return this.currentBoundBufferBases[i]!==r&&(s.bindBufferBase(e,t,r),this.currentBoundBufferBases[i]=r,!0)}unbindTexture(){const{gl:e,currentTextureSlot:t,currentBoundTextures:r}=this,s=r[t];void 0!==s&&void 0!==s.type&&(e.bindTexture(s.type,null),s.type=void 0,s.texture=void 0)}}class NR{constructor(e){this.backend=e,this.gl=this.backend.gl,this.extensions=e.extensions}convert(e,t=T){const{gl:r,extensions:s}=this;let i;const n=p.getTransfer(t);if(e===Ve)return r.UNSIGNED_BYTE;if(e===tr)return r.UNSIGNED_SHORT_4_4_4_4;if(e===rr)return r.UNSIGNED_SHORT_5_5_5_1;if(e===sr)return r.UNSIGNED_INT_5_9_9_9_REV;if(e===ir)return r.UNSIGNED_INT_10F_11F_11F_REV;if(e===vt)return r.BYTE;if(e===_t)return r.SHORT;if(e===Nt)return r.UNSIGNED_SHORT;if(e===R)return r.INT;if(e===S)return r.UNSIGNED_INT;if(e===j)return r.FLOAT;if(e===be)return r.HALF_FLOAT;if(e===nr)return r.ALPHA;if(e===Et)return r.RGB;if(e===Se)return r.RGBA;if(e===Ie)return r.DEPTH_COMPONENT;if(e===Ue)return r.DEPTH_STENCIL;if(e===Tt)return r.RED;if(e===xt)return r.RED_INTEGER;if(e===G)return r.RG;if(e===St)return r.RG_INTEGER;if(e===At)return r.RGBA_INTEGER;if(e===ar||e===or||e===ur||e===lr)if(n===g){if(i=s.get("WEBGL_compressed_texture_s3tc_srgb"),null===i)return null;if(e===ar)return i.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(e===or)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(e===ur)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(e===lr)return i.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(i=s.get("WEBGL_compressed_texture_s3tc"),null===i)return null;if(e===ar)return i.COMPRESSED_RGB_S3TC_DXT1_EXT;if(e===or)return i.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(e===ur)return i.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(e===lr)return i.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(e===dr||e===cr||e===hr||e===pr){if(i=s.get("WEBGL_compressed_texture_pvrtc"),null===i)return null;if(e===dr)return i.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(e===cr)return i.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(e===hr)return i.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(e===pr)return i.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(e===gr||e===mr||e===fr||e===yr||e===br||e===$||e===xr){if(i=s.get("WEBGL_compressed_texture_etc"),null===i)return null;if(e===gr||e===mr)return n===g?i.COMPRESSED_SRGB8_ETC2:i.COMPRESSED_RGB8_ETC2;if(e===fr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:i.COMPRESSED_RGBA8_ETC2_EAC;if(e===yr)return i.COMPRESSED_R11_EAC;if(e===br)return i.COMPRESSED_SIGNED_R11_EAC;if(e===$)return i.COMPRESSED_RG11_EAC;if(e===xr)return i.COMPRESSED_SIGNED_RG11_EAC}if(e===Tr||e===_r||e===vr||e===Nr||e===Sr||e===Rr||e===Er||e===Ar||e===wr||e===Cr||e===Mr||e===Br||e===Fr||e===Lr){if(i=s.get("WEBGL_compressed_texture_astc"),null===i)return null;if(e===Tr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:i.COMPRESSED_RGBA_ASTC_4x4_KHR;if(e===_r)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:i.COMPRESSED_RGBA_ASTC_5x4_KHR;if(e===vr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:i.COMPRESSED_RGBA_ASTC_5x5_KHR;if(e===Nr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:i.COMPRESSED_RGBA_ASTC_6x5_KHR;if(e===Sr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:i.COMPRESSED_RGBA_ASTC_6x6_KHR;if(e===Rr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:i.COMPRESSED_RGBA_ASTC_8x5_KHR;if(e===Er)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:i.COMPRESSED_RGBA_ASTC_8x6_KHR;if(e===Ar)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:i.COMPRESSED_RGBA_ASTC_8x8_KHR;if(e===wr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:i.COMPRESSED_RGBA_ASTC_10x5_KHR;if(e===Cr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:i.COMPRESSED_RGBA_ASTC_10x6_KHR;if(e===Mr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:i.COMPRESSED_RGBA_ASTC_10x8_KHR;if(e===Br)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:i.COMPRESSED_RGBA_ASTC_10x10_KHR;if(e===Fr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:i.COMPRESSED_RGBA_ASTC_12x10_KHR;if(e===Lr)return n===g?i.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:i.COMPRESSED_RGBA_ASTC_12x12_KHR}if(e===Pr){if(i=s.get("EXT_texture_compression_bptc"),null===i)return null;if(e===Pr)return n===g?i.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:i.COMPRESSED_RGBA_BPTC_UNORM_EXT}if(e===Dr||e===Ur||e===z||e===Ir){if(i=s.get("EXT_texture_compression_rgtc"),null===i)return null;if(e===Dr)return i.COMPRESSED_RED_RGTC1_EXT;if(e===Ur)return i.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(e===z)return i.COMPRESSED_RED_GREEN_RGTC2_EXT;if(e===Ir)return i.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}return e===Oe?r.UNSIGNED_INT_24_8:void 0!==r[e]?r[e]:null}_clientWaitAsync(){const{gl:e}=this,t=e.fenceSync(e.SYNC_GPU_COMMANDS_COMPLETE,0);return e.flush(),new Promise((r,s)=>{!function i(){const n=e.clientWaitSync(t,e.SYNC_FLUSH_COMMANDS_BIT,0);if(n===e.WAIT_FAILED)return e.deleteSync(t),void s();n!==e.TIMEOUT_EXPIRED?(e.deleteSync(t),r()):requestAnimationFrame(i)}()})}}let SR,RR,ER,AR=!1;class wR{constructor(e){this.backend=e,this.gl=e.gl,this.extensions=e.extensions,this.defaultTextures={},this._srcFramebuffer=null,this._dstFramebuffer=null,!1===AR&&(this._init(),AR=!0)}_init(){const e=this.gl;SR={[Vr]:e.REPEAT,[xe]:e.CLAMP_TO_EDGE,[Or]:e.MIRRORED_REPEAT},RR={[w]:e.NEAREST,[kr]:e.NEAREST_MIPMAP_NEAREST,[nt]:e.NEAREST_MIPMAP_LINEAR,[oe]:e.LINEAR,[it]:e.LINEAR_MIPMAP_NEAREST,[K]:e.LINEAR_MIPMAP_LINEAR},ER={[Hr]:e.NEVER,[Wr]:e.ALWAYS,[A]:e.LESS,[Ze]:e.LEQUAL,[$r]:e.EQUAL,[Qe]:e.GEQUAL,[zr]:e.GREATER,[Gr]:e.NOTEQUAL}}getGLTextureType(e){const{gl:t}=this;let r;return r=!0===e.isCubeTexture?t.TEXTURE_CUBE_MAP:!0===e.isArrayTexture||!0===e.isDataArrayTexture||!0===e.isCompressedArrayTexture?t.TEXTURE_2D_ARRAY:!0===e.isData3DTexture?t.TEXTURE_3D:t.TEXTURE_2D,r}getInternalFormat(e,t,r,s,i=!1){const{gl:n,extensions:a}=this;if(null!==e){if(void 0!==n[e])return n[e];d("WebGLBackend: Attempt to use non-existing WebGL internal format '"+e+"'")}let o=t;if(t===n.RED&&(r===n.FLOAT&&(o=n.R32F),r===n.HALF_FLOAT&&(o=n.R16F),r===n.UNSIGNED_BYTE&&(o=n.R8),r===n.UNSIGNED_SHORT&&(o=n.R16),r===n.UNSIGNED_INT&&(o=n.R32UI),r===n.BYTE&&(o=n.R8I),r===n.SHORT&&(o=n.R16I),r===n.INT&&(o=n.R32I)),t===n.RED_INTEGER&&(r===n.UNSIGNED_BYTE&&(o=n.R8UI),r===n.UNSIGNED_SHORT&&(o=n.R16UI),r===n.UNSIGNED_INT&&(o=n.R32UI),r===n.BYTE&&(o=n.R8I),r===n.SHORT&&(o=n.R16I),r===n.INT&&(o=n.R32I)),t===n.RG&&(r===n.FLOAT&&(o=n.RG32F),r===n.HALF_FLOAT&&(o=n.RG16F),r===n.UNSIGNED_BYTE&&(o=n.RG8),r===n.UNSIGNED_SHORT&&(o=n.RG16),r===n.UNSIGNED_INT&&(o=n.RG32UI),r===n.BYTE&&(o=n.RG8I),r===n.SHORT&&(o=n.RG16I),r===n.INT&&(o=n.RG32I)),t===n.RG_INTEGER&&(r===n.UNSIGNED_BYTE&&(o=n.RG8UI),r===n.UNSIGNED_SHORT&&(o=n.RG16UI),r===n.UNSIGNED_INT&&(o=n.RG32UI),r===n.BYTE&&(o=n.RG8I),r===n.SHORT&&(o=n.RG16I),r===n.INT&&(o=n.RG32I)),t===n.RGB){const e=i?qr:p.getTransfer(s);r===n.FLOAT&&(o=n.RGB32F),r===n.HALF_FLOAT&&(o=n.RGB16F),r===n.UNSIGNED_BYTE&&(o=n.RGB8),r===n.UNSIGNED_SHORT&&(o=n.RGB16),r===n.UNSIGNED_INT&&(o=n.RGB32UI),r===n.BYTE&&(o=n.RGB8I),r===n.SHORT&&(o=n.RGB16I),r===n.INT&&(o=n.RGB32I),r===n.UNSIGNED_BYTE&&(o=e===g?n.SRGB8:n.RGB8),r===n.UNSIGNED_SHORT_5_6_5&&(o=n.RGB565),r===n.UNSIGNED_SHORT_5_5_5_1&&(o=n.RGB5_A1),r===n.UNSIGNED_SHORT_4_4_4_4&&(o=n.RGB4),r===n.UNSIGNED_INT_5_9_9_9_REV&&(o=n.RGB9_E5),r===n.UNSIGNED_INT_10F_11F_11F_REV&&(o=n.R11F_G11F_B10F)}if(t===n.RGB_INTEGER&&(r===n.UNSIGNED_BYTE&&(o=n.RGB8UI),r===n.UNSIGNED_SHORT&&(o=n.RGB16UI),r===n.UNSIGNED_INT&&(o=n.RGB32UI),r===n.BYTE&&(o=n.RGB8I),r===n.SHORT&&(o=n.RGB16I),r===n.INT&&(o=n.RGB32I)),t===n.RGBA){const e=i?qr:p.getTransfer(s);r===n.FLOAT&&(o=n.RGBA32F),r===n.HALF_FLOAT&&(o=n.RGBA16F),r===n.UNSIGNED_BYTE&&(o=n.RGBA8),r===n.UNSIGNED_SHORT&&(o=n.RGBA16),r===n.UNSIGNED_INT&&(o=n.RGBA32UI),r===n.BYTE&&(o=n.RGBA8I),r===n.SHORT&&(o=n.RGBA16I),r===n.INT&&(o=n.RGBA32I),r===n.UNSIGNED_BYTE&&(o=e===g?n.SRGB8_ALPHA8:n.RGBA8),r===n.UNSIGNED_SHORT_4_4_4_4&&(o=n.RGBA4),r===n.UNSIGNED_SHORT_5_5_5_1&&(o=n.RGB5_A1)}return t===n.RGBA_INTEGER&&(r===n.UNSIGNED_BYTE&&(o=n.RGBA8UI),r===n.UNSIGNED_SHORT&&(o=n.RGBA16UI),r===n.UNSIGNED_INT&&(o=n.RGBA32UI),r===n.BYTE&&(o=n.RGBA8I),r===n.SHORT&&(o=n.RGBA16I),r===n.INT&&(o=n.RGBA32I)),t===n.DEPTH_COMPONENT&&(r===n.UNSIGNED_SHORT&&(o=n.DEPTH_COMPONENT16),r===n.UNSIGNED_INT&&(o=n.DEPTH_COMPONENT24),r===n.FLOAT&&(o=n.DEPTH_COMPONENT32F)),t===n.DEPTH_STENCIL&&r===n.UNSIGNED_INT_24_8&&(o=n.DEPTH24_STENCIL8),o!==n.R16F&&o!==n.R32F&&o!==n.RG16F&&o!==n.RG32F&&o!==n.RGBA16F&&o!==n.RGBA32F||a.get("EXT_color_buffer_float"),o}setTextureParameters(e,t){const{gl:r,extensions:s,backend:i}=this,n=p.getPrimaries(p.workingColorSpace),a=t.colorSpace===T?null:p.getPrimaries(t.colorSpace),o=t.colorSpace===T||n===a?r.NONE:r.BROWSER_DEFAULT_WEBGL;r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,t.flipY),r.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),r.pixelStorei(r.UNPACK_ALIGNMENT,t.unpackAlignment),r.pixelStorei(r.UNPACK_COLORSPACE_CONVERSION_WEBGL,o),r.texParameteri(e,r.TEXTURE_WRAP_S,SR[t.wrapS]),r.texParameteri(e,r.TEXTURE_WRAP_T,SR[t.wrapT]),e!==r.TEXTURE_3D&&e!==r.TEXTURE_2D_ARRAY||t.isArrayTexture||r.texParameteri(e,r.TEXTURE_WRAP_R,SR[t.wrapR]),r.texParameteri(e,r.TEXTURE_MAG_FILTER,RR[t.magFilter]);const u=void 0!==t.mipmaps&&t.mipmaps.length>0,l=t.minFilter===oe&&u?K:t.minFilter;if(r.texParameteri(e,r.TEXTURE_MIN_FILTER,RR[l]),t.compareFunction&&(r.texParameteri(e,r.TEXTURE_COMPARE_MODE,r.COMPARE_REF_TO_TEXTURE),r.texParameteri(e,r.TEXTURE_COMPARE_FUNC,ER[t.compareFunction])),!0===s.has("EXT_texture_filter_anisotropic")){if(t.magFilter===w)return;if(t.minFilter!==nt&&t.minFilter!==K)return;if(t.type===j&&!1===s.has("OES_texture_float_linear"))return;if(t.anisotropy>1){const n=s.get("EXT_texture_filter_anisotropic");r.texParameterf(e,n.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(t.anisotropy,i.getMaxAnisotropy()))}}}createDefaultTexture(e){const{gl:t,backend:r,defaultTextures:s}=this,i=this.getGLTextureType(e);let n=s[i];void 0===n&&(n=t.createTexture(),r.state.bindTexture(i,n),t.texParameteri(i,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(i,t.TEXTURE_MAG_FILTER,t.NEAREST),s[i]=n),r.set(e,{textureGPU:n,glTextureType:i})}createTexture(e,t){const{gl:r,backend:s}=this,{levels:i,width:n,height:a,depth:o}=t,u=s.utils.convert(e.format,e.colorSpace),l=s.utils.convert(e.type),d=this.getInternalFormat(e.internalFormat,u,l,e.colorSpace,e.isVideoTexture),c=r.createTexture(),h=this.getGLTextureType(e);s.state.bindTexture(h,c),this.setTextureParameters(h,e),e.isArrayTexture||e.isDataArrayTexture||e.isCompressedArrayTexture?r.texStorage3D(r.TEXTURE_2D_ARRAY,i,d,n,a,o):e.isData3DTexture?r.texStorage3D(r.TEXTURE_3D,i,d,n,a,o):e.isVideoTexture||r.texStorage2D(h,i,d,n,a),s.set(e,{textureGPU:c,glTextureType:h,glFormat:u,glType:l,glInternalFormat:d})}copyBufferToTexture(e,t){const{gl:r,backend:s}=this,{textureGPU:i,glTextureType:n,glFormat:a,glType:o}=s.get(t),{width:u,height:l}=t.source.data;r.bindBuffer(r.PIXEL_UNPACK_BUFFER,e),s.state.bindTexture(n,i),r.pixelStorei(r.UNPACK_FLIP_Y_WEBGL,!1),r.pixelStorei(r.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1),r.texSubImage2D(n,0,0,0,u,l,a,o,0),r.bindBuffer(r.PIXEL_UNPACK_BUFFER,null),s.state.unbindTexture()}updateTexture(e,t){const{gl:r}=this,{width:s,height:i}=t,{textureGPU:n,glTextureType:a,glFormat:o,glType:u,glInternalFormat:l}=this.backend.get(e);if(!e.isRenderTargetTexture&&void 0!==n)if(this.backend.state.bindTexture(a,n),this.setTextureParameters(a,e),e.isCompressedTexture){const s=e.mipmaps,i=t.image;for(let t=0;t<s.length;t++){const n=s[t];e.isCompressedArrayTexture?e.format!==r.RGBA?null!==o?r.compressedTexSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,o,n.data):d("WebGLBackend: Attempt to load unsupported compressed texture format in .uploadTexture()"):r.texSubImage3D(r.TEXTURE_2D_ARRAY,t,0,0,0,n.width,n.height,i.depth,o,u,n.data):null!==o?r.compressedTexSubImage2D(r.TEXTURE_2D,t,0,0,n.width,n.height,o,n.data):d("WebGLBackend: Unsupported compressed texture format")}}else if(e.isCubeTexture){const n=t.images,a=e.mipmaps;for(let e=0;e<6;e++){const t=CR(n[e]);r.texSubImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,0,0,s,i,o,u,t);for(let t=0;t<a.length;t++){const s=CR(a[t].images[e]);r.texSubImage2D(r.TEXTURE_CUBE_MAP_POSITIVE_X+e,t+1,0,0,s.width,s.height,o,u,s)}}}else if(e.isDataArrayTexture||e.isArrayTexture){const s=t.image;if(e.layerUpdates.size>0){const t=jr(s.width,s.height,e.format,e.type);for(const i of e.layerUpdates){const e=s.data.subarray(i*t/s.data.BYTES_PER_ELEMENT,(i+1)*t/s.data.BYTES_PER_ELEMENT);r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,i,s.width,s.height,1,o,u,e)}e.clearLayerUpdates()}else r.texSubImage3D(r.TEXTURE_2D_ARRAY,0,0,0,0,s.width,s.height,s.depth,o,u,s.data)}else if(e.isData3DTexture){const e=t.image;r.texSubImage3D(r.TEXTURE_3D,0,0,0,0,e.width,e.height,e.depth,o,u,e.data)}else if(e.isVideoTexture)e.update(),r.texImage2D(a,0,l,o,u,t.image);else{const n=e.mipmaps;if(n.length>0)for(let e=0,t=n.length;e<t;e++){const t=n[e],s=CR(t);r.texSubImage2D(a,e,0,0,t.width,t.height,o,u,s)}else{const e=CR(t.image);r.texSubImage2D(a,0,0,0,s,i,o,u,e)}}}generateMipmaps(e){const{gl:t,backend:r}=this,{textureGPU:s,glTextureType:i}=r.get(e);r.state.bindTexture(i,s),t.generateMipmap(i)}deallocateRenderBuffers(e){const{gl:t,backend:r}=this;if(e){const s=r.get(e);if(s.renderBufferStorageSetup=void 0,s.framebuffers){for(const e in s.framebuffers)t.deleteFramebuffer(s.framebuffers[e]);delete s.framebuffers}if(s.depthRenderbuffer&&(t.deleteRenderbuffer(s.depthRenderbuffer),delete s.depthRenderbuffer),s.stencilRenderbuffer&&(t.deleteRenderbuffer(s.stencilRenderbuffer),delete s.stencilRenderbuffer),s.msaaFrameBuffer&&(t.deleteFramebuffer(s.msaaFrameBuffer),delete s.msaaFrameBuffer),s.msaaRenderbuffers){for(let e=0;e<s.msaaRenderbuffers.length;e++)t.deleteRenderbuffer(s.msaaRenderbuffers[e]);delete s.msaaRenderbuffers}}}destroyTexture(e,t=!1){const{gl:r,backend:s}=this,{textureGPU:i,renderTarget:n}=s.get(e);this.deallocateRenderBuffers(n),!1===t&&r.deleteTexture(i),s.delete(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){const{gl:a,backend:o}=this,{state:u}=this.backend,{textureGPU:l,glTextureType:d,glType:c,glFormat:h}=o.get(t);let p,g,m,f,y,b,x,T,_;u.bindTexture(d,l);const v=e.isCompressedTexture?e.mipmaps[n]:e.image;if(null!==r)p=r.max.x-r.min.x,g=r.max.y-r.min.y,m=r.isBox3?r.max.z-r.min.z:1,f=r.min.x,y=r.min.y,b=r.isBox3?r.min.z:0;else{const t=Math.pow(2,-i);p=Math.floor(v.width*t),g=Math.floor(v.height*t),m=e.isDataArrayTexture||e.isArrayTexture?v.depth:e.isData3DTexture?Math.floor(v.depth*t):1,f=0,y=0,b=0}null!==s?(x=s.x,T=s.y,_=s.z):(x=0,T=0,_=0),a.pixelStorei(a.UNPACK_FLIP_Y_WEBGL,t.flipY),a.pixelStorei(a.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),a.pixelStorei(a.UNPACK_ALIGNMENT,t.unpackAlignment);const N=a.getParameter(a.UNPACK_ROW_LENGTH),S=a.getParameter(a.UNPACK_IMAGE_HEIGHT),R=a.getParameter(a.UNPACK_SKIP_PIXELS),E=a.getParameter(a.UNPACK_SKIP_ROWS),A=a.getParameter(a.UNPACK_SKIP_IMAGES);a.pixelStorei(a.UNPACK_ROW_LENGTH,v.width),a.pixelStorei(a.UNPACK_IMAGE_HEIGHT,v.height),a.pixelStorei(a.UNPACK_SKIP_PIXELS,f),a.pixelStorei(a.UNPACK_SKIP_ROWS,y),a.pixelStorei(a.UNPACK_SKIP_IMAGES,b);const w=e.isDataArrayTexture||e.isData3DTexture||t.isArrayTexture,C=t.isDataArrayTexture||t.isData3DTexture||t.isArrayTexture;if(e.isDepthTexture){const r=o.get(e),s=o.get(t),d=o.get(r.renderTarget),c=o.get(s.renderTarget),h=d.framebuffers[r.cacheKey],v=c.framebuffers[s.cacheKey];u.bindFramebuffer(a.READ_FRAMEBUFFER,h),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,v);for(let e=0;e<m;e++)w&&(a.framebufferTextureLayer(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,r.textureGPU,i,b+e),a.framebufferTextureLayer(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,l,n,_+e)),a.blitFramebuffer(f,y,p,g,x,T,p,g,a.DEPTH_BUFFER_BIT,a.NEAREST);u.bindFramebuffer(a.READ_FRAMEBUFFER,null),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,null)}else if(0!==i||e.isRenderTargetTexture||o.has(e)){const t=o.get(e);null===this._srcFramebuffer&&(this._srcFramebuffer=a.createFramebuffer()),null===this._dstFramebuffer&&(this._dstFramebuffer=a.createFramebuffer()),u.bindFramebuffer(a.READ_FRAMEBUFFER,this._srcFramebuffer),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,this._dstFramebuffer);for(let e=0;e<m;e++)w?a.framebufferTextureLayer(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,t.textureGPU,i,b+e):a.framebufferTexture2D(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,a.TEXTURE_2D,t.textureGPU,i),C?a.framebufferTextureLayer(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,l,n,_+e):a.framebufferTexture2D(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,a.TEXTURE_2D,l,n),0!==i?a.blitFramebuffer(f,y,p,g,x,T,p,g,a.COLOR_BUFFER_BIT,a.NEAREST):C?a.copyTexSubImage3D(d,n,x,T,_+e,f,y,p,g):a.copyTexSubImage2D(d,n,x,T,f,y,p,g);u.bindFramebuffer(a.READ_FRAMEBUFFER,null),u.bindFramebuffer(a.DRAW_FRAMEBUFFER,null)}else C?e.isDataTexture||e.isData3DTexture?a.texSubImage3D(d,n,x,T,_,p,g,m,h,c,v.data):t.isCompressedArrayTexture?a.compressedTexSubImage3D(d,n,x,T,_,p,g,m,h,v.data):a.texSubImage3D(d,n,x,T,_,p,g,m,h,c,v):e.isDataTexture?a.texSubImage2D(a.TEXTURE_2D,n,x,T,p,g,h,c,v.data):e.isCompressedTexture?a.compressedTexSubImage2D(a.TEXTURE_2D,n,x,T,v.width,v.height,h,v.data):a.texSubImage2D(a.TEXTURE_2D,n,x,T,p,g,h,c,v);a.pixelStorei(a.UNPACK_ROW_LENGTH,N),a.pixelStorei(a.UNPACK_IMAGE_HEIGHT,S),a.pixelStorei(a.UNPACK_SKIP_PIXELS,R),a.pixelStorei(a.UNPACK_SKIP_ROWS,E),a.pixelStorei(a.UNPACK_SKIP_IMAGES,A),0===n&&t.generateMipmaps&&a.generateMipmap(d),u.unbindTexture()}copyFramebufferToTexture(e,t,r){const{gl:s}=this,{state:i}=this.backend,{textureGPU:n}=this.backend.get(e),{x:a,y:o,z:u,w:l}=r,d=!0===e.isDepthTexture||t.renderTarget&&t.renderTarget.samples>0,c=t.renderTarget?t.renderTarget.height:this.backend.getDrawingBufferSize().y;if(d){const r=0!==a||0!==o;let d,h;if(!0===e.isDepthTexture?(d=s.DEPTH_BUFFER_BIT,h=s.DEPTH_ATTACHMENT,t.stencil&&(d|=s.STENCIL_BUFFER_BIT)):(d=s.COLOR_BUFFER_BIT,h=s.COLOR_ATTACHMENT0),r){const e=this.backend.get(t.renderTarget),r=e.framebuffers[t.getCacheKey()],h=e.msaaFrameBuffer;i.bindFramebuffer(s.DRAW_FRAMEBUFFER,r),i.bindFramebuffer(s.READ_FRAMEBUFFER,h);const p=c-o-l;s.blitFramebuffer(a,p,a+u,p+l,a,p,a+u,p+l,d,s.NEAREST),i.bindFramebuffer(s.READ_FRAMEBUFFER,r),i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,a,p,u,l),i.unbindTexture()}else{const e=s.createFramebuffer();i.bindFramebuffer(s.DRAW_FRAMEBUFFER,e),s.framebufferTexture2D(s.DRAW_FRAMEBUFFER,h,s.TEXTURE_2D,n,0),s.blitFramebuffer(0,0,u,l,0,0,u,l,d,s.NEAREST),s.deleteFramebuffer(e)}}else i.bindTexture(s.TEXTURE_2D,n),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,a,c-l-o,u,l),i.unbindTexture();e.generateMipmaps&&this.generateMipmaps(e),this.backend._setFramebuffer(t)}setupRenderBufferStorage(e,t,r,s=!1){const{gl:i}=this,n=t.renderTarget,{depthTexture:a,depthBuffer:o,stencilBuffer:u,width:l,height:d}=n;if(i.bindRenderbuffer(i.RENDERBUFFER,e),o&&!u){let t=i.DEPTH_COMPONENT24;if(!0===s){this.extensions.get("WEBGL_multisampled_render_to_texture").renderbufferStorageMultisampleEXT(i.RENDERBUFFER,n.samples,t,l,d)}else r>0?(a&&a.isDepthTexture&&a.type===i.FLOAT&&(t=i.DEPTH_COMPONENT32F),i.renderbufferStorageMultisample(i.RENDERBUFFER,r,t,l,d)):i.renderbufferStorage(i.RENDERBUFFER,t,l,d);i.framebufferRenderbuffer(i.FRAMEBUFFER,i.DEPTH_ATTACHMENT,i.RENDERBUFFER,e)}else o&&u&&(r>0?i.renderbufferStorageMultisample(i.RENDERBUFFER,r,i.DEPTH24_STENCIL8,l,d):i.renderbufferStorage(i.RENDERBUFFER,i.DEPTH_STENCIL,l,d),i.framebufferRenderbuffer(i.FRAMEBUFFER,i.DEPTH_STENCIL_ATTACHMENT,i.RENDERBUFFER,e));i.bindRenderbuffer(i.RENDERBUFFER,null)}async copyTextureToBuffer(e,t,r,s,i,n){const{backend:a,gl:o}=this,{textureGPU:u,glFormat:l,glType:d}=this.backend.get(e),c=o.createFramebuffer();a.state.bindFramebuffer(o.READ_FRAMEBUFFER,c);const h=e.isCubeTexture?o.TEXTURE_CUBE_MAP_POSITIVE_X+n:o.TEXTURE_2D;o.framebufferTexture2D(o.READ_FRAMEBUFFER,o.COLOR_ATTACHMENT0,h,u,0);const p=this._getTypedArrayType(d),g=s*i*this._getBytesPerTexel(d,l),m=o.createBuffer();o.bindBuffer(o.PIXEL_PACK_BUFFER,m),o.bufferData(o.PIXEL_PACK_BUFFER,g,o.STREAM_READ),o.readPixels(t,r,s,i,l,d,0),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),await a.utils._clientWaitAsync();const f=new p(g/p.BYTES_PER_ELEMENT);return o.bindBuffer(o.PIXEL_PACK_BUFFER,m),o.getBufferSubData(o.PIXEL_PACK_BUFFER,0,f),o.bindBuffer(o.PIXEL_PACK_BUFFER,null),a.state.bindFramebuffer(o.READ_FRAMEBUFFER,null),o.deleteFramebuffer(c),f}_getTypedArrayType(e){const{gl:t}=this;if(e===t.UNSIGNED_BYTE)return Uint8Array;if(e===t.UNSIGNED_SHORT_4_4_4_4)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_5_5_1)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_6_5)return Uint16Array;if(e===t.UNSIGNED_SHORT)return Uint16Array;if(e===t.UNSIGNED_INT)return Uint32Array;if(e===t.HALF_FLOAT)return Uint16Array;if(e===t.FLOAT)return Float32Array;throw new Error(`Unsupported WebGL type: ${e}`)}_getBytesPerTexel(e,t){const{gl:r}=this;let s=0;return e===r.UNSIGNED_BYTE&&(s=1),e!==r.UNSIGNED_SHORT_4_4_4_4&&e!==r.UNSIGNED_SHORT_5_5_5_1&&e!==r.UNSIGNED_SHORT_5_6_5&&e!==r.UNSIGNED_SHORT&&e!==r.HALF_FLOAT||(s=2),e!==r.UNSIGNED_INT&&e!==r.FLOAT||(s=4),t===r.RGBA?4*s:t===r.RGB?3*s:t===r.ALPHA?s:void 0}dispose(){const{gl:e}=this;null!==this._srcFramebuffer&&e.deleteFramebuffer(this._srcFramebuffer),null!==this._dstFramebuffer&&e.deleteFramebuffer(this._dstFramebuffer)}}function CR(e){return e.isDataTexture?e.image.data:"undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap||"undefined"!=typeof OffscreenCanvas&&e instanceof OffscreenCanvas?e:e.data}class MR{constructor(e){this.backend=e,this.gl=this.backend.gl,this.availableExtensions=this.gl.getSupportedExtensions(),this.extensions={}}get(e){let t=this.extensions[e];return void 0===t&&(t=this.gl.getExtension(e),this.extensions[e]=t),t}has(e){return this.availableExtensions.includes(e)}}class BR{constructor(e){this.backend=e,this.maxAnisotropy=null}getMaxAnisotropy(){if(null!==this.maxAnisotropy)return this.maxAnisotropy;const e=this.backend.gl,t=this.backend.extensions;if(!0===t.has("EXT_texture_filter_anisotropic")){const r=t.get("EXT_texture_filter_anisotropic");this.maxAnisotropy=e.getParameter(r.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else this.maxAnisotropy=0;return this.maxAnisotropy}}const FR={WEBGL_multi_draw:"WEBGL_multi_draw",WEBGL_compressed_texture_astc:"texture-compression-astc",WEBGL_compressed_texture_etc:"texture-compression-etc2",WEBGL_compressed_texture_etc1:"texture-compression-etc1",WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBGL_compressed_texture_s3tc:"texture-compression-s3tc",EXT_texture_compression_bptc:"texture-compression-bc",EXT_disjoint_timer_query_webgl2:"timestamp-query",OVR_multiview2:"OVR_multiview2"};class LR{constructor(e){this.gl=e.gl,this.extensions=e.extensions,this.info=e.renderer.info,this.mode=null,this.index=0,this.type=null,this.object=null}render(e,t){const{gl:r,mode:s,object:i,type:n,info:a,index:o}=this;0!==o?r.drawElements(s,t,n,e):r.drawArrays(s,e,t),a.update(i,t,1)}renderInstances(e,t,r){const{gl:s,mode:i,type:n,index:a,object:o,info:u}=this;0!==r&&(0!==a?s.drawElementsInstanced(i,t,n,e,r):s.drawArraysInstanced(i,e,t,r),u.update(o,t,r))}renderMultiDraw(e,t,r){const{extensions:s,mode:i,object:n,info:a}=this;if(0===r)return;const o=s.get("WEBGL_multi_draw");if(null===o)for(let s=0;s<r;s++)this.render(e[s],t[s]);else{0!==this.index?o.multiDrawElementsWEBGL(i,t,0,this.type,e,0,r):o.multiDrawArraysWEBGL(i,e,0,t,0,r);let s=0;for(let e=0;e<r;e++)s+=t[e];a.update(n,s,1)}}renderMultiDrawInstances(e,t,r,s){const{extensions:i,mode:n,object:a,info:o}=this;if(0===r)return;const u=i.get("WEBGL_multi_draw");if(null===u)for(let i=0;i<r;i++)this.renderInstances(e[i],t[i],s[i]);else{0!==this.index?u.multiDrawElementsInstancedWEBGL(n,t,0,this.type,e,0,s,0,r):u.multiDrawArraysInstancedWEBGL(n,e,0,t,0,s,0,r);let i=0;for(let e=0;e<r;e++)i+=t[e]*s[e];o.update(a,i,1)}}}class PR{constructor(e=256){this.trackTimestamp=!0,this.maxQueries=e,this.currentQueryIndex=0,this.queryOffsets=new Map,this.isDisposed=!1,this.lastValue=0,this.frames=[],this.pendingResolve=!1,this.timestamps=new Map}getTimestampFrames(){return this.frames}getTimestamp(e){let t=this.timestamps.get(e);return void 0===t&&(d(`TimestampQueryPool: No timestamp available for uid ${e}.`),t=0),t}hasTimestamp(e){return this.timestamps.has(e)}allocateQueriesForContext(){}async resolveQueriesAsync(){}dispose(){}}class DR extends PR{constructor(e,t,r=2048){if(super(r),this.gl=e,this.type=t,this.ext=e.getExtension("EXT_disjoint_timer_query_webgl2")||e.getExtension("EXT_disjoint_timer_query"),!this.ext)return d("EXT_disjoint_timer_query not supported; timestamps will be disabled."),void(this.trackTimestamp=!1);this.queries=[];for(let t=0;t<this.maxQueries;t++)this.queries.push(e.createQuery());this.activeQuery=null,this.queryStates=new Map}allocateQueriesForContext(e){if(!this.trackTimestamp)return null;if(this.currentQueryIndex+2>this.maxQueries)return v(`WebGPUTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryStates.set(t,"inactive"),this.queryOffsets.set(e,t),t}beginQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e);if(null==t)return;if(null!==this.activeQuery)return;const r=this.queries[t];if(r)try{"inactive"===this.queryStates.get(t)&&(this.gl.beginQuery(this.ext.TIME_ELAPSED_EXT,r),this.activeQuery=t,this.queryStates.set(t,"started"))}catch(e){o("Error in beginQuery:",e),this.activeQuery=null,this.queryStates.set(t,"inactive")}}endQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e);if(null!=t&&this.activeQuery===t)try{this.gl.endQuery(this.ext.TIME_ELAPSED_EXT),this.queryStates.set(t,"ended"),this.activeQuery=null}catch(e){o("Error in endQuery:",e),this.queryStates.set(t,"inactive"),this.activeQuery=null}}async resolveQueriesAsync(){if(!this.trackTimestamp||this.pendingResolve)return this.lastValue;this.pendingResolve=!0;try{const e=new Map;for(const[t,r]of this.queryOffsets){if("ended"===this.queryStates.get(r)){const s=this.queries[r];e.set(t,this.resolveQuery(s))}}if(0===e.size)return this.lastValue;const t={},r=[];for(const[s,i]of e){const e=s.match(/^(.*):f(\d+)$/),n=parseInt(e[2]);!1===r.includes(n)&&r.push(n),void 0===t[n]&&(t[n]=0);const a=await i;this.timestamps.set(s,a),t[n]+=a}const s=t[r[r.length-1]];return this.lastValue=s,this.frames=r,this.currentQueryIndex=0,this.queryOffsets.clear(),this.queryStates.clear(),this.activeQuery=null,s}catch(e){return o("Error resolving queries:",e),this.lastValue}finally{this.pendingResolve=!1}}async resolveQuery(e){return new Promise(t=>{if(this.isDisposed)return void t(this.lastValue);let r,s=!1;const i=e=>{s||(s=!0,r&&(clearTimeout(r),r=null),t(e))},n=()=>{if(this.isDisposed)i(this.lastValue);else try{if(this.gl.getParameter(this.ext.GPU_DISJOINT_EXT))return void i(this.lastValue);if(!this.gl.getQueryParameter(e,this.gl.QUERY_RESULT_AVAILABLE))return void(r=setTimeout(n,1));const s=this.gl.getQueryParameter(e,this.gl.QUERY_RESULT);t(Number(s)/1e6)}catch(e){o("Error checking query:",e),t(this.lastValue)}};n()})}dispose(){if(!this.isDisposed&&(this.isDisposed=!0,this.trackTimestamp)){for(const e of this.queries)this.gl.deleteQuery(e);this.queries=[],this.queryStates.clear(),this.queryOffsets.clear(),this.lastValue=0,this.activeQuery=null}}}class UR extends fR{constructor(e={}){super(e),this.isWebGLBackend=!0,this.attributeUtils=null,this.extensions=null,this.capabilities=null,this.textureUtils=null,this.bufferRenderer=null,this.gl=null,this.state=null,this.utils=null,this.vaoCache={},this.transformFeedbackCache={},this.discard=!1,this.disjoint=null,this.parallel=null,this._currentContext=null,this._knownBindings=new WeakSet,this._supportsInvalidateFramebuffer="undefined"!=typeof navigator&&/OculusBrowser/g.test(navigator.userAgent),this._xrFramebuffer=null}init(e){super.init(e);const t=this.parameters,r={antialias:e.currentSamples>0,alpha:!0,depth:e.depth,stencil:e.stencil},s=void 0!==t.context?t.context:e.domElement.getContext("webgl2",r);function i(t){t.preventDefault();const r={api:"WebGL",message:t.statusMessage||"Unknown reason",reason:null,originalEvent:t};e.onDeviceLost(r)}this._onContextLost=i,e.domElement.addEventListener("webglcontextlost",i,!1),this.gl=s,this.extensions=new MR(this),this.capabilities=new BR(this),this.attributeUtils=new _R(this),this.textureUtils=new wR(this),this.bufferRenderer=new LR(this),this.state=new vR(this),this.utils=new NR(this),this.extensions.get("EXT_color_buffer_float"),this.extensions.get("WEBGL_clip_cull_distance"),this.extensions.get("OES_texture_float_linear"),this.extensions.get("EXT_color_buffer_half_float"),this.extensions.get("WEBGL_multisampled_render_to_texture"),this.extensions.get("WEBGL_render_shared_exponent"),this.extensions.get("WEBGL_multi_draw"),this.extensions.get("OVR_multiview2"),this.extensions.get("EXT_clip_control"),this.disjoint=this.extensions.get("EXT_disjoint_timer_query_webgl2"),this.parallel=this.extensions.get("KHR_parallel_shader_compile"),this.drawBuffersIndexedExt=this.extensions.get("OES_draw_buffers_indexed"),!0===t.reversedDepthBuffer&&this.extensions.has("EXT_clip_control")&&this.state.setReversedDepth(!0)}get coordinateSystem(){return c}async getArrayBufferAsync(e){return await this.attributeUtils.getArrayBufferAsync(e)}async makeXRCompatible(){!0!==this.gl.getContextAttributes().xrCompatible&&await this.gl.makeXRCompatible()}setXRTarget(e){this._xrFramebuffer=e}setXRRenderTargetTextures(e,t,r=null){const s=this.gl;if(this.set(e.texture,{textureGPU:t,glInternalFormat:s.RGBA8}),null!==r){const t=e.stencilBuffer?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24;this.set(e.depthTexture,{textureGPU:r,glInternalFormat:t}),!0===this.extensions.has("WEBGL_multisampled_render_to_texture")&&!0===e._autoAllocateDepthBuffer&&!1===e.multiview&&d("WebGLBackend: Render-to-texture extension was disabled because an external texture was provided"),e._autoAllocateDepthBuffer=!1}}initTimestampQuery(e,t){if(!this.disjoint||!this.trackTimestamp)return;this.timestampQueryPool[e]||(this.timestampQueryPool[e]=new DR(this.gl,e,2048));const r=this.timestampQueryPool[e];null!==r.allocateQueriesForContext(t)&&r.beginQuery(t)}prepareTimestampBuffer(e,t){if(!this.disjoint||!this.trackTimestamp)return;this.timestampQueryPool[e].endQuery(t)}getContext(){return this.gl}beginRender(e){const{state:t}=this,r=this.get(e);if(e.viewport)this.updateViewport(e);else{const{width:e,height:r}=this.getDrawingBufferSize();t.viewport(0,0,e,r)}if(e.scissor)this.updateScissor(e);else{const{width:e,height:r}=this.getDrawingBufferSize();t.scissor(0,0,e,r)}this.initTimestampQuery(wt.RENDER,this.getTimestampUID(e)),r.previousContext=this._currentContext,this._currentContext=e,this._setFramebuffer(e),this.clear(e.clearColor,e.clearDepth,e.clearStencil,e,!1);const s=e.occlusionQueryCount;s>0&&(r.currentOcclusionQueries=r.occlusionQueries,r.currentOcclusionQueryObjects=r.occlusionQueryObjects,r.lastOcclusionObject=null,r.occlusionQueries=new Array(s),r.occlusionQueryObjects=new Array(s),r.occlusionQueryIndex=0)}finishRender(e){const{gl:t,state:r}=this,s=this.get(e),i=s.previousContext;r.resetVertexState();const n=e.occlusionQueryCount;n>0&&(n>s.occlusionQueryIndex&&t.endQuery(t.ANY_SAMPLES_PASSED),this.resolveOccludedAsync(e));const a=e.textures;if(null!==a)for(let e=0;e<a.length;e++){const t=a[e];t.generateMipmaps&&this.generateMipmaps(t)}if(this._currentContext=i,this._resolveRenderTarget(e),null!==i){if(this._setFramebuffer(i),i.viewport)this.updateViewport(i);else{const{width:e,height:t}=this.getDrawingBufferSize();r.viewport(0,0,e,t)}if(i.scissor)this.updateScissor(i);else{const{width:e,height:t}=this.getDrawingBufferSize();r.scissor(0,0,e,t)}}this.prepareTimestampBuffer(wt.RENDER,this.getTimestampUID(e))}resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueries:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet,{gl:i}=this;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueries=null;const n=()=>{let a=0;for(let t=0;t<r.length;t++){const n=r[t];null!==n&&(i.getQueryParameter(n,i.QUERY_RESULT_AVAILABLE)&&(0===i.getQueryParameter(n,i.QUERY_RESULT)&&e.add(s[t]),r[t]=null,i.deleteQuery(n),a++))}a<r.length?requestAnimationFrame(n):t.occluded=e};n()}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}updateViewport(e){const{state:t}=this,{x:r,y:s,width:i,height:n}=e.viewportValue;t.viewport(r,e.height-n-s,i,n)}updateScissor(e){const{state:t}=this,{x:r,y:s,width:i,height:n}=e.scissorValue;t.scissor(r,e.height-n-s,i,n)}setScissorTest(e){this.state.setScissorTest(e)}getClearColor(){const e=super.getClearColor();return e.r*=e.a,e.g*=e.a,e.b*=e.a,e}clear(e,t,r,s=null,i=!0,n=!0){const{gl:a,renderer:o}=this;if(null===s){s={textures:null,clearColorValue:this.getClearColor()}}let u=0;if(e&&(u|=a.COLOR_BUFFER_BIT),t&&(u|=a.DEPTH_BUFFER_BIT),r&&(u|=a.STENCIL_BUFFER_BIT),0!==u){let l;l=s.clearColorValue?s.clearColorValue:this.getClearColor();const d=o.getClearDepth(),c=o.getClearStencil();if(t&&this.state.setDepthMask(!0),null===s.textures)a.clearColor(l.r,l.g,l.b,l.a),a.clear(u);else{if(i&&this._setFramebuffer(s),e)for(let e=0;e<s.textures.length;e++)0===e?a.clearBufferfv(a.COLOR,e,[l.r,l.g,l.b,l.a]):a.clearBufferfv(a.COLOR,e,[0,0,0,1]);t&&r?a.clearBufferfi(a.DEPTH_STENCIL,0,d,c):t?a.clearBufferfv(a.DEPTH,0,[d]):r&&a.clearBufferiv(a.STENCIL,0,[c]),i&&n&&this._resolveRenderTarget(s)}}}beginCompute(e){const{state:t,gl:r}=this;t.bindFramebuffer(r.FRAMEBUFFER,null),this.initTimestampQuery(wt.COMPUTE,this.getTimestampUID(e))}compute(e,t,r,s,i=null){const{state:n,gl:a}=this;!1===this.discard&&(n.enable(a.RASTERIZER_DISCARD),this.discard=!0);const{programGPU:o,transformBuffers:u,attributes:l}=this.get(s),d=this._getVaoKey(l),c=this.vaoCache[d];void 0===c?this.vaoCache[d]=this._createVao(l):n.setVertexState(c),n.useProgram(o),this._bindUniforms(r);const h=this._getTransformFeedback(u);a.bindTransformFeedback(a.TRANSFORM_FEEDBACK,h),a.beginTransformFeedback(a.POINTS),i=null!==i?i:t.count,Array.isArray(i)?(v("WebGLBackend.compute(): The count parameter must be a single number, not an array."),i=i[0]):i&&"object"==typeof i&&i.isIndirectStorageBufferAttribute&&(v("WebGLBackend.compute(): The count parameter must be a single number, not IndirectStorageBufferAttribute"),i=t.count),l[0].isStorageInstancedBufferAttribute?a.drawArraysInstanced(a.POINTS,0,1,i):a.drawArrays(a.POINTS,0,i),a.endTransformFeedback(),a.bindTransformFeedback(a.TRANSFORM_FEEDBACK,null);for(let e=0;e<u.length;e++){const t=u[e];t.pbo&&this.has(t.pbo)&&this.textureUtils.copyBufferToTexture(t.transformBuffer,t.pbo),t.switchBuffers()}}finishCompute(e){const{state:t,gl:r}=this;this.discard=!1,t.disable(r.RASTERIZER_DISCARD),this.prepareTimestampBuffer(wt.COMPUTE,this.getTimestampUID(e)),this._currentContext&&this._setFramebuffer(this._currentContext)}_isRenderCameraDepthArray(e){return e.depthTexture&&e.depthTexture.isArrayTexture&&e.camera.isArrayCamera}draw(e){const{object:t,pipeline:r,material:s,context:i,hardwareClippingPlanes:n}=e,{programGPU:a}=this.get(r),{gl:o,state:u}=this,l=this.get(i),d=e.getDrawParameters();if(null===d)return;this._bindUniforms(e.getBindings());const c=t.isMesh&&t.matrixWorld.determinant()<0;u.setMaterial(s,c,n),null!==i.mrt&&null!==i.textures&&u.setMRTBlending(i.textures,i.mrt,s),u.useProgram(a);const h=e.getAttributes(),p=this.get(h);let g=p.vaoGPU;if(void 0===g){const e=this._getVaoKey(h);g=this.vaoCache[e],void 0===g&&(g=this._createVao(h),this.vaoCache[e]=g,p.vaoGPU=g)}const m=e.getIndex(),f=null!==m?this.get(m).bufferGPU:null;u.setVertexState(g,f);const y=l.lastOcclusionObject;if(y!==t&&void 0!==y){if(null!==y&&!0===y.occlusionTest&&(o.endQuery(o.ANY_SAMPLES_PASSED),l.occlusionQueryIndex++),!0===t.occlusionTest){const e=o.createQuery();o.beginQuery(o.ANY_SAMPLES_PASSED,e),l.occlusionQueries[l.occlusionQueryIndex]=e,l.occlusionQueryObjects[l.occlusionQueryIndex]=t}l.lastOcclusionObject=t}const b=this.bufferRenderer;t.isPoints?b.mode=o.POINTS:t.isLineSegments?b.mode=o.LINES:t.isLine?b.mode=o.LINE_STRIP:t.isLineLoop?b.mode=o.LINE_LOOP:!0===s.wireframe?(u.setLineWidth(s.wireframeLinewidth*this.renderer.getPixelRatio()),b.mode=o.LINES):b.mode=o.TRIANGLES;const{vertexCount:x,instanceCount:T}=d;let{firstVertex:_}=d;if(b.object=t,null!==m){_*=m.array.BYTES_PER_ELEMENT;const e=this.get(m);b.index=m.count,b.type=e.type}else b.index=0;const N=()=>{t.isBatchedMesh?null!==t._multiDrawInstances?(v("WebGLBackend: renderMultiDrawInstances has been deprecated and will be removed in r184. Append to renderMultiDraw arguments and use indirection."),b.renderMultiDrawInstances(t._multiDrawStarts,t._multiDrawCounts,t._multiDrawCount,t._multiDrawInstances)):this.hasFeature("WEBGL_multi_draw")?b.renderMultiDraw(t._multiDrawStarts,t._multiDrawCounts,t._multiDrawCount):v("WebGLBackend: WEBGL_multi_draw not supported."):T>1?b.renderInstances(_,x,T):b.render(_,x)};if(!0===e.camera.isArrayCamera&&e.camera.cameras.length>0&&!1===e.camera.isMultiViewCamera){const r=this.get(e.camera),s=e.camera.cameras,i=e.getBindingGroup("cameraIndex").bindings[0];if(void 0===r.indexesGPU||r.indexesGPU.length!==s.length){const e=new Uint32Array([0,0,0,0]),t=[];for(let r=0,i=s.length;r<i;r++){const s=o.createBuffer();e[0]=r,o.bindBuffer(o.UNIFORM_BUFFER,s),o.bufferData(o.UNIFORM_BUFFER,e,o.STATIC_DRAW),t.push(s)}r.indexesGPU=t}const n=this.get(i),a=this.renderer.getPixelRatio(),l=this._currentContext.renderTarget,d=this._isRenderCameraDepthArray(this._currentContext),c=this._currentContext.activeCubeFace;if(d){const e=this.get(l.depthTexture);if(e.clearedRenderId!==this.renderer._nodes.nodeFrame.renderId){e.clearedRenderId=this.renderer._nodes.nodeFrame.renderId;const{stencilBuffer:t}=l;for(let e=0,r=s.length;e<r;e++)this.renderer._activeCubeFace=e,this._currentContext.activeCubeFace=e,this._setFramebuffer(this._currentContext),this.clear(!1,!0,t,this._currentContext,!1,!1);this.renderer._activeCubeFace=c,this._currentContext.activeCubeFace=c}}for(let i=0,l=s.length;i<l;i++){const l=s[i];if(t.layers.test(l.layers)){d&&(this.renderer._activeCubeFace=i,this._currentContext.activeCubeFace=i,this._setFramebuffer(this._currentContext));const t=l.viewport;if(void 0!==t){const r=t.x*a,s=t.y*a,i=t.width*a,n=t.height*a;u.viewport(Math.floor(r),Math.floor(e.context.height-n-s),Math.floor(i),Math.floor(n))}u.bindBufferBase(o.UNIFORM_BUFFER,n.index,r.indexesGPU[i]),N()}this._currentContext.activeCubeFace=c,this.renderer._activeCubeFace=c}}else N()}needsRenderUpdate(){return!1}getRenderCacheKey(){return""}createDefaultTexture(e){this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e,t=!1){this.textureUtils.destroyTexture(e,t)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}updateSampler(){return""}createNodeBuilder(e,t){return new pR(e,t)}createProgram(e){const t=this.gl,{stage:r,code:s}=e,i="fragment"===r?t.createShader(t.FRAGMENT_SHADER):t.createShader(t.VERTEX_SHADER);t.shaderSource(i,s),t.compileShader(i),this.set(e,{shaderGPU:i})}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){const r=this.gl,s=e.pipeline,{fragmentProgram:i,vertexProgram:n}=s,a=r.createProgram(),o=this.get(i).shaderGPU,u=this.get(n).shaderGPU;if(r.attachShader(a,o),r.attachShader(a,u),r.linkProgram(a),this.set(s,{programGPU:a,fragmentShader:o,vertexShader:u}),null!==t&&this.parallel){const i=new Promise(t=>{const i=this.parallel,n=()=>{r.getProgramParameter(a,i.COMPLETION_STATUS_KHR)?(this._completeCompile(e,s),t()):requestAnimationFrame(n)};n()});return void t.push(i)}this._completeCompile(e,s)}_handleSource(e,t){const r=e.split("\n"),s=[],i=Math.max(t-6,0),n=Math.min(t+6,r.length);for(let e=i;e<n;e++){const i=e+1;s.push(`${i===t?">":" "} ${i}: ${r[e]}`)}return s.join("\n")}_getShaderErrors(e,t,r){const s=e.getShaderParameter(t,e.COMPILE_STATUS),i=(e.getShaderInfoLog(t)||"").trim();if(s&&""===i)return"";const n=/ERROR: 0:(\d+)/.exec(i);if(n){const s=parseInt(n[1]);return r.toUpperCase()+"\n\n"+i+"\n\n"+this._handleSource(e.getShaderSource(t),s)}return i}_logProgramError(e,t,r){if(this.renderer.debug.checkShaderErrors){const s=this.gl,i=(s.getProgramInfoLog(e)||"").trim();if(!1===s.getProgramParameter(e,s.LINK_STATUS))if("function"==typeof this.renderer.debug.onShaderError)this.renderer.debug.onShaderError(s,e,r,t);else{const n=this._getShaderErrors(s,r,"vertex"),a=this._getShaderErrors(s,t,"fragment");o("THREE.WebGLProgram: Shader Error "+s.getError()+" - VALIDATE_STATUS "+s.getProgramParameter(e,s.VALIDATE_STATUS)+"\n\nProgram Info Log: "+i+"\n"+n+"\n"+a)}else""!==i&&d("WebGLProgram: Program Info Log:",i)}}_completeCompile(e,t){const{state:r,gl:s}=this,i=this.get(t),{programGPU:n,fragmentShader:a,vertexShader:o}=i;!1===s.getProgramParameter(n,s.LINK_STATUS)&&this._logProgramError(n,a,o),r.useProgram(n);const u=e.getBindings();this._setupBindings(u,n),this.set(t,{programGPU:n})}createComputePipeline(e,t){const{state:r,gl:s}=this,i={stage:"fragment",code:"#version 300 es\nprecision highp float;\nvoid main() {}"};this.createProgram(i);const{computeProgram:n}=e,a=s.createProgram(),o=this.get(i).shaderGPU,u=this.get(n).shaderGPU,l=n.transforms,d=[],c=[];for(let e=0;e<l.length;e++){const t=l[e];d.push(t.varyingName),c.push(t.attributeNode)}s.attachShader(a,o),s.attachShader(a,u),s.transformFeedbackVaryings(a,d,s.SEPARATE_ATTRIBS),s.linkProgram(a),!1===s.getProgramParameter(a,s.LINK_STATUS)&&this._logProgramError(a,o,u),r.useProgram(a),this._setupBindings(t,a);const h=n.attributes,p=[],g=[];for(let e=0;e<h.length;e++){const t=h[e].node.attribute;p.push(t),this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER)}for(let e=0;e<c.length;e++){const t=c[e].attribute;this.has(t)||this.attributeUtils.createAttribute(t,s.ARRAY_BUFFER);const r=this.get(t);g.push(r)}this.set(e,{programGPU:a,transformBuffers:g,attributes:p})}createBindings(e,t){if(!1===this._knownBindings.has(t)){this._knownBindings.add(t);let e=0,r=0;for(const s of t){this.set(s,{textures:r,uniformBuffers:e});for(const t of s.bindings)t.isUniformBuffer&&e++,t.isSampledTexture&&r++}}this.updateBindings(e,t)}updateBindings(e){const{gl:t}=this,r=this.get(e);let s=r.uniformBuffers,i=r.textures;for(const r of e.bindings){const e=this.get(r);if(r.isUniformsGroup||r.isUniformBuffer){const i=r.buffer;let{bufferGPU:n}=this.get(i);void 0===n?(n=t.createBuffer(),t.bindBuffer(t.UNIFORM_BUFFER,n),t.bufferData(t.UNIFORM_BUFFER,i.byteLength,t.DYNAMIC_DRAW),this.set(i,{bufferGPU:n})):t.bindBuffer(t.UNIFORM_BUFFER,n);const a=r.updateRanges;if(t.bindBuffer(t.UNIFORM_BUFFER,n),0===a.length)t.bufferData(t.UNIFORM_BUFFER,i,t.DYNAMIC_DRAW);else{const e=Xr(i),r=e?1:i.BYTES_PER_ELEMENT;for(let s=0,n=a.length;s<n;s++){const n=a[s],o=n.start*r,u=n.count*r,l=o*(e?i.BYTES_PER_ELEMENT:1);t.bufferSubData(t.UNIFORM_BUFFER,l,i,o,u)}}e.index=s++,e.bufferGPU=n,this.set(r,e)}else if(r.isSampledTexture){const{textureGPU:t,glTextureType:s}=this.get(r.texture);e.index=i++,e.textureGPU=t,e.glTextureType=s,this.set(r,e)}}}updateBinding(e){const t=this.gl;if(e.isUniformsGroup||e.isUniformBuffer){const r=this.get(e).bufferGPU,s=e.buffer,i=e.updateRanges;if(t.bindBuffer(t.UNIFORM_BUFFER,r),0===i.length)t.bufferData(t.UNIFORM_BUFFER,s,t.DYNAMIC_DRAW);else{const e=Xr(s),r=e?1:s.BYTES_PER_ELEMENT;for(let n=0,a=i.length;n<a;n++){const a=i[n],o=a.start*r,u=a.count*r,l=o*(e?s.BYTES_PER_ELEMENT:1);t.bufferSubData(t.UNIFORM_BUFFER,l,s,o,u)}}}}createIndexAttribute(e){const t=this.gl;this.attributeUtils.createAttribute(e,t.ELEMENT_ARRAY_BUFFER)}createAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}createStorageAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}hasFeature(e){const t=Object.keys(FR).filter(t=>FR[t]===e),r=this.extensions;for(let e=0;e<t.length;e++)if(r.has(t[e]))return!0;return!1}getMaxAnisotropy(){return this.capabilities.getMaxAnisotropy()}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){this.textureUtils.copyTextureToTexture(e,t,r,s,i,n)}copyFramebufferToTexture(e,t,r){this.textureUtils.copyFramebufferToTexture(e,t,r)}hasCompatibility(e){return e===E.TEXTURE_COMPARE||super.hasCompatibility(e)}initRenderTarget(e){const{gl:t,state:r}=this;this._setFramebuffer(e),r.bindFramebuffer(t.FRAMEBUFFER,null)}_setFramebuffer(e){const{gl:t,state:r}=this;let s=null;if(null!==e.textures){const i=e.renderTarget,n=this.get(i),{samples:a,depthBuffer:o,stencilBuffer:u}=i,l=!0===i.isCubeRenderTarget,d=!0===i.isRenderTarget3D,c=i.depth>1,h=!0===i.isXRRenderTarget,p=!0===h&&!0===i._hasExternalTextures;let g=n.msaaFrameBuffer,m=n.depthRenderbuffer;const f=this.extensions.get("WEBGL_multisampled_render_to_texture"),y=this.extensions.get("OVR_multiview2"),b=this._useMultisampledExtension(i),x=qy(e);let T;if(l?(n.cubeFramebuffers||(n.cubeFramebuffers={}),T=n.cubeFramebuffers[x]):h&&!1===p?T=this._xrFramebuffer:(n.framebuffers||(n.framebuffers={}),T=n.framebuffers[x]),void 0===T){T=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,T);const s=e.textures,o=[];if(l){n.cubeFramebuffers[x]=T;const{textureGPU:e}=this.get(s[0]),r=this.renderer._activeCubeFace,i=this.renderer._activeMipmapLevel;t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_CUBE_MAP_POSITIVE_X+r,e,i)}else{n.framebuffers[x]=T;for(let r=0;r<s.length;r++){const n=s[r],o=this.get(n);o.renderTarget=e.renderTarget,o.cacheKey=x;const u=t.COLOR_ATTACHMENT0+r;if(i.multiview)y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,u,o.textureGPU,0,a,0,2);else if(d||c){const e=this.renderer._activeCubeFace,r=this.renderer._activeMipmapLevel;t.framebufferTextureLayer(t.FRAMEBUFFER,u,o.textureGPU,r,e)}else if(b)f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,u,t.TEXTURE_2D,o.textureGPU,0,a);else{const e=this.renderer._activeMipmapLevel;t.framebufferTexture2D(t.FRAMEBUFFER,u,t.TEXTURE_2D,o.textureGPU,e)}}}const h=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;if(!0===i._autoAllocateDepthBuffer){const r=t.createRenderbuffer();this.textureUtils.setupRenderBufferStorage(r,e,0,b),n.xrDepthRenderbuffer=r,o.push(u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT),t.bindRenderbuffer(t.RENDERBUFFER,r),t.framebufferRenderbuffer(t.FRAMEBUFFER,h,t.RENDERBUFFER,r)}else if(null!==e.depthTexture){o.push(u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT);const r=this.get(e.depthTexture);if(r.renderTarget=e.renderTarget,r.cacheKey=x,i.multiview)y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,h,r.textureGPU,0,a,0,2);else if(p&&b)f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,h,t.TEXTURE_2D,r.textureGPU,0,a);else if(e.depthTexture.isArrayTexture){const e=this.renderer._activeCubeFace;t.framebufferTextureLayer(t.FRAMEBUFFER,h,r.textureGPU,0,e)}else if(e.depthTexture.isCubeTexture){const e=this.renderer._activeCubeFace;t.framebufferTexture2D(t.FRAMEBUFFER,h,t.TEXTURE_CUBE_MAP_POSITIVE_X+e,r.textureGPU,0)}else t.framebufferTexture2D(t.FRAMEBUFFER,h,t.TEXTURE_2D,r.textureGPU,0)}n.depthInvalidationArray=o}else{if(this._isRenderCameraDepthArray(e)){r.bindFramebuffer(t.FRAMEBUFFER,T);const s=this.renderer._activeCubeFace,i=this.get(e.depthTexture),n=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;t.framebufferTextureLayer(t.FRAMEBUFFER,n,i.textureGPU,0,s)}if((h||b||i.multiview)&&!0!==i._isOpaqueFramebuffer){r.bindFramebuffer(t.FRAMEBUFFER,T);const s=this.get(e.textures[0]);i.multiview?y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,s.textureGPU,0,a,0,2):b?f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,s.textureGPU,0,a):t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,s.textureGPU,0);const o=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;if(!0===i._autoAllocateDepthBuffer){const e=n.xrDepthRenderbuffer;t.bindRenderbuffer(t.RENDERBUFFER,e),t.framebufferRenderbuffer(t.FRAMEBUFFER,o,t.RENDERBUFFER,e)}else{const r=this.get(e.depthTexture);i.multiview?y.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,o,r.textureGPU,0,a,0,2):b?f.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,o,t.TEXTURE_2D,r.textureGPU,0,a):t.framebufferTexture2D(t.FRAMEBUFFER,o,t.TEXTURE_2D,r.textureGPU,0)}}}if(a>0&&!1===b&&!i.multiview){if(void 0===g){const s=[];g=t.createFramebuffer(),r.bindFramebuffer(t.FRAMEBUFFER,g);const i=[],l=e.textures;for(let r=0;r<l.length;r++){i[r]=t.createRenderbuffer(),t.bindRenderbuffer(t.RENDERBUFFER,i[r]),s.push(t.COLOR_ATTACHMENT0+r);const n=e.textures[r],o=this.get(n);t.renderbufferStorageMultisample(t.RENDERBUFFER,a,o.glInternalFormat,e.width,e.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+r,t.RENDERBUFFER,i[r])}if(t.bindRenderbuffer(t.RENDERBUFFER,null),n.msaaFrameBuffer=g,n.msaaRenderbuffers=i,o&&void 0===m){m=t.createRenderbuffer(),this.textureUtils.setupRenderBufferStorage(m,e,a),n.depthRenderbuffer=m;const r=u?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;s.push(r)}n.invalidationArray=s}s=n.msaaFrameBuffer}else s=T;r.drawBuffers(e,T)}r.bindFramebuffer(t.FRAMEBUFFER,s)}_getVaoKey(e){let t="";for(let r=0;r<e.length;r++){t+=":"+this.get(e[r]).id}return t}_createVao(e){const{gl:t}=this,r=t.createVertexArray();t.bindVertexArray(r);for(let r=0;r<e.length;r++){const s=e[r],i=this.get(s);let n,a;t.bindBuffer(t.ARRAY_BUFFER,i.bufferGPU),t.enableVertexAttribArray(r),!0===s.isInterleavedBufferAttribute?(n=s.data.stride*i.bytesPerElement,a=s.offset*i.bytesPerElement):(n=0,a=0),i.isInteger?t.vertexAttribIPointer(r,s.itemSize,i.type,n,a):t.vertexAttribPointer(r,s.itemSize,i.type,s.normalized,n,a),s.isInstancedBufferAttribute&&!s.isInterleavedBufferAttribute?t.vertexAttribDivisor(r,s.meshPerAttribute):s.isInterleavedBufferAttribute&&s.data.isInstancedInterleavedBuffer&&t.vertexAttribDivisor(r,s.data.meshPerAttribute)}return t.bindBuffer(t.ARRAY_BUFFER,null),r}_getTransformFeedback(e){let t="";for(let r=0;r<e.length;r++)t+=":"+e[r].id;let r=this.transformFeedbackCache[t];if(void 0!==r)return r;const{gl:s}=this;r=s.createTransformFeedback(),s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,r);for(let t=0;t<e.length;t++){const r=e[t];s.bindBufferBase(s.TRANSFORM_FEEDBACK_BUFFER,t,r.transformBuffer)}return s.bindTransformFeedback(s.TRANSFORM_FEEDBACK,null),this.transformFeedbackCache[t]=r,r}_setupBindings(e,t){const r=this.gl;for(const s of e)for(const e of s.bindings){const s=this.get(e).index;if(e.isUniformsGroup||e.isUniformBuffer){const i=r.getUniformBlockIndex(t,e.name);r.uniformBlockBinding(t,i,s)}else if(e.isSampledTexture){const i=r.getUniformLocation(t,e.name);r.uniform1i(i,s)}}}_bindUniforms(e){const{gl:t,state:r}=this;for(const s of e)for(const e of s.bindings){const s=this.get(e),i=s.index;e.isUniformsGroup||e.isUniformBuffer?r.bindBufferBase(t.UNIFORM_BUFFER,i,s.bufferGPU):e.isSampledTexture&&r.bindTexture(s.glTextureType,s.textureGPU,t.TEXTURE0+i)}}_resolveRenderTarget(e){const{gl:t,state:r}=this,s=e.renderTarget;if(null!==e.textures&&s){const i=this.get(s);if(s.samples>0&&!1===this._useMultisampledExtension(s)){const n=i.framebuffers[e.getCacheKey()];let a=t.COLOR_BUFFER_BIT;s.resolveDepthBuffer&&(s.depthBuffer&&(a|=t.DEPTH_BUFFER_BIT),s.stencilBuffer&&s.resolveStencilBuffer&&(a|=t.STENCIL_BUFFER_BIT));const o=i.msaaFrameBuffer,u=i.msaaRenderbuffers,l=e.textures,d=l.length>1;if(r.bindFramebuffer(t.READ_FRAMEBUFFER,o),r.bindFramebuffer(t.DRAW_FRAMEBUFFER,n),d)for(let e=0;e<l.length;e++)t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,null),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,null,0);for(let r=0;r<l.length;r++){if(d){const{textureGPU:e}=this.get(l[r]);t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.RENDERBUFFER,u[r]),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,e,0)}if(e.scissor){const{x:r,y:s,width:i,height:n}=e.scissorValue,o=e.height-n-s;t.blitFramebuffer(r,o,r+i,o+n,r,o,r+i,o+n,a,t.NEAREST)}else t.blitFramebuffer(0,0,e.width,e.height,0,0,e.width,e.height,a,t.NEAREST)}if(d)for(let e=0;e<l.length;e++){const{textureGPU:r}=this.get(l[e]);t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,u[e]),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,r,0)}!0===this._supportsInvalidateFramebuffer&&t.invalidateFramebuffer(t.READ_FRAMEBUFFER,i.invalidationArray)}else if(!1===s.resolveDepthBuffer&&i.framebuffers){const s=i.framebuffers[e.getCacheKey()];r.bindFramebuffer(t.DRAW_FRAMEBUFFER,s),t.invalidateFramebuffer(t.DRAW_FRAMEBUFFER,i.depthInvalidationArray)}}}_useMultisampledExtension(e){return!0===e.multiview||e.samples>0&&!0===this.extensions.has("WEBGL_multisampled_render_to_texture")&&!1!==e._autoAllocateDepthBuffer}dispose(){null!==this.textureUtils&&this.textureUtils.dispose();const e=this.extensions.get("WEBGL_lose_context");e&&e.loseContext(),this.renderer.domElement.removeEventListener("webglcontextlost",this._onContextLost)}}const IR="point-list",OR="line-list",VR="line-strip",kR="triangle-list",GR="undefined"!=typeof self&&self.GPUShaderStage?self.GPUShaderStage:{VERTEX:1,FRAGMENT:2,COMPUTE:4},zR="never",$R="less",WR="equal",HR="less-equal",qR="greater",jR="not-equal",XR="greater-equal",KR="always",YR="store",QR="load",ZR="clear",JR="ccw",eE="cw",tE="none",rE="back",sE="uint16",iE="uint32",nE="r8unorm",aE="r8snorm",oE="r8uint",uE="r8sint",lE="r16uint",dE="r16sint",cE="r16float",hE="rg8unorm",pE="rg8snorm",gE="rg8uint",mE="rg8sint",fE="r32uint",yE="r32sint",bE="r32float",xE="rg16uint",TE="rg16sint",_E="rg16float",vE="rgba8unorm",NE="rgba8unorm-srgb",SE="rgba8snorm",RE="rgba8uint",EE="rgba8sint",AE="bgra8unorm",wE="bgra8unorm-srgb",CE="rgb9e5ufloat",ME="rgb10a2unorm",BE="rg11b10ufloat",FE="rg32uint",LE="rg32sint",PE="rg32float",DE="rgba16uint",UE="rgba16sint",IE="rgba16float",OE="rgba32uint",VE="rgba32sint",kE="rgba32float",GE="depth16unorm",zE="depth24plus",$E="depth24plus-stencil8",WE="depth32float",HE="depth32float-stencil8",qE="bc1-rgba-unorm",jE="bc1-rgba-unorm-srgb",XE="bc2-rgba-unorm",KE="bc2-rgba-unorm-srgb",YE="bc3-rgba-unorm",QE="bc3-rgba-unorm-srgb",ZE="bc4-r-unorm",JE="bc4-r-snorm",eA="bc5-rg-unorm",tA="bc5-rg-snorm",rA="bc6h-rgb-ufloat",sA="bc6h-rgb-float",iA="bc7-rgba-unorm",nA="bc7-rgba-unorm-srgb",aA="etc2-rgb8unorm",oA="etc2-rgb8unorm-srgb",uA="etc2-rgb8a1unorm",lA="etc2-rgb8a1unorm-srgb",dA="etc2-rgba8unorm",cA="etc2-rgba8unorm-srgb",hA="eac-r11unorm",pA="eac-r11snorm",gA="eac-rg11unorm",mA="eac-rg11snorm",fA="astc-4x4-unorm",yA="astc-4x4-unorm-srgb",bA="astc-5x4-unorm",xA="astc-5x4-unorm-srgb",TA="astc-5x5-unorm",_A="astc-5x5-unorm-srgb",vA="astc-6x5-unorm",NA="astc-6x5-unorm-srgb",SA="astc-6x6-unorm",RA="astc-6x6-unorm-srgb",EA="astc-8x5-unorm",AA="astc-8x5-unorm-srgb",wA="astc-8x6-unorm",CA="astc-8x6-unorm-srgb",MA="astc-8x8-unorm",BA="astc-8x8-unorm-srgb",FA="astc-10x5-unorm",LA="astc-10x5-unorm-srgb",PA="astc-10x6-unorm",DA="astc-10x6-unorm-srgb",UA="astc-10x8-unorm",IA="astc-10x8-unorm-srgb",OA="astc-10x10-unorm",VA="astc-10x10-unorm-srgb",kA="astc-12x10-unorm",GA="astc-12x10-unorm-srgb",zA="astc-12x12-unorm",$A="astc-12x12-unorm-srgb",WA="clamp-to-edge",HA="repeat",qA="mirror-repeat",jA="linear",XA="nearest",KA="zero",YA="one",QA="src",ZA="one-minus-src",JA="src-alpha",ew="one-minus-src-alpha",tw="dst",rw="one-minus-dst",sw="dst-alpha",iw="one-minus-dst-alpha",nw="src-alpha-saturated",aw="constant",ow="one-minus-constant",uw="add",lw="subtract",dw="reverse-subtract",cw="min",hw="max",pw=0,gw=15,mw="keep",fw="zero",yw="replace",bw="invert",xw="increment-clamp",Tw="decrement-clamp",_w="increment-wrap",vw="decrement-wrap",Nw="storage",Sw="read-only-storage",Rw="write-only",Ew="read-only",Aw="read-write",ww="non-filtering",Cw="comparison",Mw="float",Bw="unfilterable-float",Fw="depth",Lw="sint",Pw="uint",Dw="2d",Uw="3d",Iw="2d",Ow="2d-array",Vw="cube",kw="3d",Gw="all",zw="vertex",$w="instance",Ww={CoreFeaturesAndLimits:"core-features-and-limits",DepthClipControl:"depth-clip-control",Depth32FloatStencil8:"depth32float-stencil8",TextureCompressionBC:"texture-compression-bc",TextureCompressionBCSliced3D:"texture-compression-bc-sliced-3d",TextureCompressionETC2:"texture-compression-etc2",TextureCompressionASTC:"texture-compression-astc",TextureCompressionASTCSliced3D:"texture-compression-astc-sliced-3d",TimestampQuery:"timestamp-query",IndirectFirstInstance:"indirect-first-instance",ShaderF16:"shader-f16",RG11B10UFloat:"rg11b10ufloat-renderable",BGRA8UNormStorage:"bgra8unorm-storage",Float32Filterable:"float32-filterable",Float32Blendable:"float32-blendable",ClipDistances:"clip-distances",DualSourceBlending:"dual-source-blending",Subgroups:"subgroups",TextureFormatsTier1:"texture-formats-tier1",TextureFormatsTier2:"texture-formats-tier2"},Hw={"texture-compression-s3tc":"texture-compression-bc","texture-compression-etc1":"texture-compression-etc2"};class qw extends eR{constructor(e,t,r){super(e,t?t.value:null),this.textureNode=t,this.groupNode=r}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update()}}class jw extends jS{constructor(e,t){super(e,t?t.array:null),this._attribute=t,this.isStorageBuffer=!0}get attribute(){return this._attribute}}let Xw=0;class Kw extends jw{constructor(e,t){super("StorageBuffer_"+Xw++,e?e.value:null),this.nodeUniform=e,this.access=e?e.access:ri.READ_WRITE,this.groupNode=t}get attribute(){return this.nodeUniform.value}get buffer(){return this.nodeUniform.value.array}}class Yw extends xy{constructor(e){super(),this.device=e;this.mipmapSampler=e.createSampler({minFilter:jA}),this.flipYSampler=e.createSampler({minFilter:XA}),this.flipUniformBuffer=e.createBuffer({size:4,usage:GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST}),e.queue.writeBuffer(this.flipUniformBuffer,0,new Uint32Array([1])),this.noFlipUniformBuffer=e.createBuffer({size:4,usage:GPUBufferUsage.UNIFORM}),this.transferPipelines={},this.mipmapShaderModule=e.createShaderModule({label:"mipmap",code:"\nstruct VarysStruct {\n\t@builtin( position ) Position: vec4f,\n\t@location( 0 ) vTex : vec2f,\n\t@location( 1 ) @interpolate(flat, either) vBaseArrayLayer: u32,\n};\n\n@group( 0 ) @binding ( 2 )\nvar<uniform> flipY: u32;\n\n@vertex\nfn mainVS(\n\t\t@builtin( vertex_index ) vertexIndex : u32,\n\t\t@builtin( instance_index ) instanceIndex : u32 ) -> VarysStruct {\n\n\tvar Varys : VarysStruct;\n\n\tvar pos = array(\n\t\tvec2f( -1, -1 ),\n\t\tvec2f( -1,  3 ),\n\t\tvec2f(  3, -1 ),\n\t);\n\n\tlet p = pos[ vertexIndex ];\n\tlet mult = select( vec2f( 0.5, -0.5 ), vec2f( 0.5, 0.5 ), flipY != 0 );\n\tVarys.vTex = p * mult + vec2f( 0.5 );\n\tVarys.Position = vec4f( p, 0, 1 );\n\tVarys.vBaseArrayLayer = instanceIndex;\n\n\treturn Varys;\n\n}\n\n@group( 0 ) @binding( 0 )\nvar imgSampler : sampler;\n\n@group( 0 ) @binding( 1 )\nvar img2d : texture_2d<f32>;\n\n@fragment\nfn main_2d( Varys: VarysStruct ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img2d, imgSampler, Varys.vTex );\n\n}\n\n@group( 0 ) @binding( 1 )\nvar img2dArray : texture_2d_array<f32>;\n\n@fragment\nfn main_2d_array( Varys: VarysStruct ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( img2dArray, imgSampler, Varys.vTex, Varys.vBaseArrayLayer );\n\n}\n\nconst faceMat = array(\n  mat3x3f(  0,  0,  -2,  0, -2,   0,  1,  1,   1 ),   // pos-x\n  mat3x3f(  0,  0,   2,  0, -2,   0, -1,  1,  -1 ),   // neg-x\n  mat3x3f(  2,  0,   0,  0,  0,   2, -1,  1,  -1 ),   // pos-y\n  mat3x3f(  2,  0,   0,  0,  0,  -2, -1, -1,   1 ),   // neg-y\n  mat3x3f(  2,  0,   0,  0, -2,   0, -1,  1,   1 ),   // pos-z\n  mat3x3f( -2,  0,   0,  0, -2,   0,  1,  1,  -1 ),   // neg-z\n);\n\n@group( 0 ) @binding( 1 )\nvar imgCube : texture_cube<f32>;\n\n@fragment\nfn main_cube( Varys: VarysStruct ) -> @location( 0 ) vec4<f32> {\n\n\treturn textureSample( imgCube, imgSampler, faceMat[ Varys.vBaseArrayLayer ] * vec3f( fract( Varys.vTex ), 1 ) );\n\n}\n"})}getTransferPipeline(e,t){const r=`${e}-${t=t||"2d-array"}`;let s=this.transferPipelines[r];return void 0===s&&(s=this.device.createRenderPipeline({label:`mipmap-${e}-${t}`,vertex:{module:this.mipmapShaderModule},fragment:{module:this.mipmapShaderModule,entryPoint:`main_${t.replace("-","_")}`,targets:[{format:e}]},layout:"auto"}),this.transferPipelines[r]=s),s}flipY(e,t,r=0){const s=t.format,{width:i,height:n}=t.size,a=this.device.createTexture({size:{width:i,height:n},format:s,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING}),o=this.getTransferPipeline(s,e.textureBindingViewDimension),u=this.getTransferPipeline(s,a.textureBindingViewDimension),l=this.device.createCommandEncoder({}),d=(e,t,r,s,i,n)=>{const a=e.getBindGroupLayout(0),o=this.device.createBindGroup({layout:a,entries:[{binding:0,resource:this.flipYSampler},{binding:1,resource:t.createView({dimension:t.textureBindingViewDimension||"2d-array",baseMipLevel:0,mipLevelCount:1})},{binding:2,resource:{buffer:n?this.flipUniformBuffer:this.noFlipUniformBuffer}}]}),u=l.beginRenderPass({colorAttachments:[{view:s.createView({dimension:"2d",baseMipLevel:0,mipLevelCount:1,baseArrayLayer:i,arrayLayerCount:1}),loadOp:ZR,storeOp:YR}]});u.setPipeline(e),u.setBindGroup(0,o),u.draw(3,1,0,r),u.end()};d(o,e,r,a,0,!1),d(u,a,0,e,r,!0),this.device.queue.submit([l.finish()]),a.destroy()}generateMipmaps(e,t=null){const r=this.get(e),s=r.layers||this._mipmapCreateBundles(e),i=t||this.device.createCommandEncoder({label:"mipmapEncoder"});this._mipmapRunBundles(i,s),null===t&&this.device.queue.submit([i.finish()]),r.layers=s}_mipmapCreateBundles(e){const t=e.textureBindingViewDimension||"2d-array",r=this.getTransferPipeline(e.format,t),s=r.getBindGroupLayout(0),i=[];for(let n=1;n<e.mipLevelCount;n++)for(let a=0;a<e.depthOrArrayLayers;a++){const o=this.device.createBindGroup({layout:s,entries:[{binding:0,resource:this.mipmapSampler},{binding:1,resource:e.createView({dimension:t,baseMipLevel:n-1,mipLevelCount:1})},{binding:2,resource:{buffer:this.noFlipUniformBuffer}}]}),u={colorAttachments:[{view:e.createView({dimension:"2d",baseMipLevel:n,mipLevelCount:1,baseArrayLayer:a,arrayLayerCount:1}),loadOp:ZR,storeOp:YR}]},l=this.device.createRenderBundleEncoder({colorFormats:[e.format]});l.setPipeline(r),l.setBindGroup(0,o),l.draw(3,1,0,a),i.push({renderBundles:[l.finish()],passDescriptor:u})}return i}_mipmapRunBundles(e,t){const r=t.length;for(let s=0;s<r;s++){const r=t[s],i=e.beginRenderPass(r.passDescriptor);i.executeBundles(r.renderBundles),i.end()}}}const Qw={[Hr]:"never",[A]:"less",[$r]:"equal",[Ze]:"less-equal",[zr]:"greater",[Qe]:"greater-equal",[Wr]:"always",[Gr]:"not-equal"},Zw=[0,1,3,2,4,5];class Jw{constructor(e){this.backend=e,this._passUtils=null,this.defaultTexture={},this.defaultCubeTexture={},this.defaultVideoFrame=null,this._samplerCache=new Map}updateSampler(e){const t=this.backend,r=e.minFilter+"-"+e.magFilter+"-"+e.wrapS+"-"+e.wrapT+"-"+(e.wrapR||"0")+"-"+e.anisotropy+"-"+(e.compareFunction||0);let s=this._samplerCache.get(r);if(void 0===s){const i={addressModeU:this._convertAddressMode(e.wrapS),addressModeV:this._convertAddressMode(e.wrapT),addressModeW:this._convertAddressMode(e.wrapR),magFilter:this._convertFilterMode(e.magFilter),minFilter:this._convertFilterMode(e.minFilter),mipmapFilter:this._convertFilterMode(e.minFilter),maxAnisotropy:1};e.isDepthTexture&&null===e.compareFunction&&(i.magFilter=XA,i.minFilter=XA,i.mipmapFilter=XA),i.magFilter===jA&&i.minFilter===jA&&i.mipmapFilter===jA&&(i.maxAnisotropy=e.anisotropy),e.isDepthTexture&&null!==e.compareFunction&&t.hasCompatibility(E.TEXTURE_COMPARE)&&(i.compare=Qw[e.compareFunction]);s={sampler:t.device.createSampler(i),usedTimes:0},this._samplerCache.set(r,s)}const i=t.get(e);if(i.sampler!==s.sampler){if(void 0!==i.sampler){const e=this._samplerCache.get(i.samplerKey);e.usedTimes--,0===e.usedTimes&&this._samplerCache.delete(i.samplerKey)}i.samplerKey=r,i.sampler=s.sampler,s.usedTimes++}return r}createDefaultTexture(e){let t;const r=eC(e);t=e.isCubeTexture?this._getDefaultCubeTextureGPU(r):this._getDefaultTextureGPU(r),this.backend.get(e).texture=t}createTexture(e,t={}){const r=this.backend,s=r.get(e);if(s.initialized)throw new Error("WebGPUTextureUtils: Texture already initialized.");if(e.isExternalTexture)return s.texture=e.sourceTexture,void(s.initialized=!0);void 0===t.needsMipmaps&&(t.needsMipmaps=!1),void 0===t.levels&&(t.levels=1),void 0===t.depth&&(t.depth=1);const{width:i,height:n,depth:a,levels:o}=t;e.isFramebufferTexture&&(t.renderTarget?t.format=this.backend.utils.getCurrentColorFormat(t.renderTarget):t.format=this.backend.utils.getPreferredCanvasFormat());const u=this._getDimension(e),l=e.internalFormat||t.format||eC(e,r.device);s.format=l;const{samples:c,primarySamples:h,isMSAA:p}=r.utils.getTextureSampleData(e);let g=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.COPY_SRC;!0===e.isStorageTexture&&(g|=GPUTextureUsage.STORAGE_BINDING),!0!==e.isCompressedTexture&&!0!==e.isCompressedArrayTexture&&l!==CE&&(g|=GPUTextureUsage.RENDER_ATTACHMENT);const m={label:e.name,size:{width:i,height:n,depthOrArrayLayers:a},mipLevelCount:o,sampleCount:h,dimension:u,format:l,usage:g};if(void 0===l)return d("WebGPURenderer: Texture format not supported."),void this.createDefaultTexture(e);e.isCubeTexture&&(m.textureBindingViewDimension=Vw);try{s.texture=r.device.createTexture(m)}catch(t){return d("WebGPURenderer: Failed to create texture with descriptor:",m),void this.createDefaultTexture(e)}if(p){const e=Object.assign({},m);e.label=e.label+"-msaa",e.sampleCount=c,e.mipLevelCount=1,s.msaaTexture=r.device.createTexture(e)}s.initialized=!0,s.textureDescriptorGPU=m}destroyTexture(e,t=!1){const r=this.backend,s=r.get(e);void 0!==s.texture&&!1===t&&s.texture.destroy(),void 0!==s.msaaTexture&&s.msaaTexture.destroy(),r.delete(e)}generateMipmaps(e,t=null){const r=this.backend.get(e);this._generateMipmaps(r.texture,t)}getColorBuffer(){const e=this.backend,t=e.renderer.getCanvasTarget(),{width:r,height:s}=e.getDrawingBufferSize(),i=e.renderer.currentSamples,n=t.colorTexture,a=e.get(n);if(n.width===r&&n.height===s&&n.samples===i)return a.texture;let o=a.texture;return o&&o.destroy(),o=e.device.createTexture({label:"colorBuffer",size:{width:r,height:s,depthOrArrayLayers:1},sampleCount:e.utils.getSampleCount(e.renderer.currentSamples),format:e.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC}),n.source.width=r,n.source.height=s,n.samples=i,a.texture=o,o}getDepthBuffer(e=!0,t=!1){const r=this.backend,s=r.renderer.getCanvasTarget(),{width:i,height:n}=r.getDrawingBufferSize(),a=r.renderer.currentSamples,o=s.depthTexture;if(o.width===i&&o.height===n&&o.samples===a&&o.depth===e&&o.stencil===t)return r.get(o).texture;const u=r.get(o).texture;let l,d;if(t?(l=Ue,d=Oe):e&&(l=Ie,d=S),void 0!==u){if(o.image.width===i&&o.image.height===n&&o.format===l&&o.type===d&&o.samples===a)return u;this.destroyTexture(o)}return o.name="depthBuffer",o.format=l,o.type=d,o.image.width=i,o.image.height=n,o.samples=a,this.createTexture(o,{width:i,height:n}),r.get(o).texture}updateTexture(e,t){const r=this.backend.get(e),s=e.mipmaps,{textureDescriptorGPU:i}=r;if(!e.isRenderTargetTexture&&void 0!==i){if(e.isDataTexture)if(s.length>0)for(let t=0,n=s.length;t<n;t++){const n=s[t];this._copyBufferToTexture(n,r.texture,i,0,e.flipY,0,t)}else this._copyBufferToTexture(t.image,r.texture,i,0,e.flipY);else if(e.isArrayTexture||e.isDataArrayTexture||e.isData3DTexture)for(let s=0;s<t.image.depth;s++)this._copyBufferToTexture(t.image,r.texture,i,s,e.flipY,s);else if(e.isCompressedTexture||e.isCompressedArrayTexture)this._copyCompressedBufferToTexture(e.mipmaps,r.texture,i);else if(e.isCubeTexture)this._copyCubeMapToTexture(e,r.texture,i);else if(s.length>0)for(let t=0,n=s.length;t<n;t++){const n=s[t];this._copyImageToTexture(n,r.texture,i,0,e.flipY,e.premultiplyAlpha,t)}else this._copyImageToTexture(t.image,r.texture,i,0,e.flipY,e.premultiplyAlpha);r.version=e.version}}async copyTextureToBuffer(e,t,r,s,i,n){const a=this.backend.device,o=this.backend.get(e),u=o.texture,l=o.textureDescriptorGPU.format,d=this._getBytesPerTexel(l);let c=s*d;c=256*Math.ceil(c/256);const h=a.createBuffer({size:(i-1)*c+s*d,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ}),p=a.createCommandEncoder();p.copyTextureToBuffer({texture:u,origin:{x:t,y:r,z:n}},{buffer:h,bytesPerRow:c},{width:s,height:i});const g=this._getTypedArrayType(l);a.queue.submit([p.finish()]),await h.mapAsync(GPUMapMode.READ);return new g(h.getMappedRange())}dispose(){this._samplerCache.clear()}_getDefaultTextureGPU(e){let t=this.defaultTexture[e];if(void 0===t){const r=new N;r.minFilter=w,r.magFilter=w,this.createTexture(r,{width:1,height:1,format:e}),this.defaultTexture[e]=t=r}return this.backend.get(t).texture}_getDefaultCubeTextureGPU(e){let t=this.defaultCubeTexture[e];if(void 0===t){const r=new L;r.minFilter=w,r.magFilter=w,this.createTexture(r,{width:1,height:1,depth:6}),this.defaultCubeTexture[e]=t=r}return this.backend.get(t).texture}_copyCubeMapToTexture(e,t,r){const s=e.images,i=e.mipmaps;for(let n=0;n<6;n++){const a=s[n],o=!0===e.flipY?Zw[n]:n;a.isDataTexture?this._copyBufferToTexture(a.image,t,r,o,e.flipY):this._copyImageToTexture(a,t,r,o,e.flipY,e.premultiplyAlpha);for(let s=0;s<i.length;s++){const a=i[s].images[n];a.isDataTexture?this._copyBufferToTexture(a.image,t,r,o,e.flipY,0,s+1):this._copyImageToTexture(a,t,r,o,e.flipY,e.premultiplyAlpha,s+1)}}}_copyImageToTexture(e,t,r,s,i,n,a=0){const o=this.backend.device,u=a>0?e.width:r.size.width,l=a>0?e.height:r.size.height;try{o.queue.copyExternalImageToTexture({source:e,flipY:i},{texture:t,mipLevel:a,origin:{x:0,y:0,z:s},premultipliedAlpha:n},{width:u,height:l,depthOrArrayLayers:1})}catch(e){}}_getPassUtils(){let e=this._passUtils;return null===e&&(this._passUtils=e=new Yw(this.backend.device)),e}_generateMipmaps(e,t=null){this._getPassUtils().generateMipmaps(e,t)}_flipY(e,t,r=0){this._getPassUtils().flipY(e,t,r)}_copyBufferToTexture(e,t,r,s,i,n=0,a=0){const o=this.backend.device,u=e.data,l=this._getBytesPerTexel(r.format),d=e.width*l;o.queue.writeTexture({texture:t,mipLevel:a,origin:{x:0,y:0,z:s}},u,{offset:e.width*e.height*l*n,bytesPerRow:d},{width:e.width,height:e.height,depthOrArrayLayers:1}),!0===i&&this._flipY(t,r,s)}_copyCompressedBufferToTexture(e,t,r){const s=this.backend.device,i=this._getBlockData(r.format),n=r.size.depthOrArrayLayers>1;for(let a=0;a<e.length;a++){const o=e[a],u=o.width,l=o.height,d=n?r.size.depthOrArrayLayers:1,c=Math.ceil(u/i.width)*i.byteLength,h=c*Math.ceil(l/i.height);for(let e=0;e<d;e++)s.queue.writeTexture({texture:t,mipLevel:a,origin:{x:0,y:0,z:e}},o.data,{offset:e*h,bytesPerRow:c,rowsPerImage:Math.ceil(l/i.height)},{width:Math.ceil(u/i.width)*i.width,height:Math.ceil(l/i.height)*i.height,depthOrArrayLayers:1})}}_getBlockData(e){return e===qE||e===jE?{byteLength:8,width:4,height:4}:e===XE||e===KE||e===YE||e===QE?{byteLength:16,width:4,height:4}:e===ZE||e===JE?{byteLength:8,width:4,height:4}:e===eA||e===tA||e===rA||e===sA||e===iA||e===nA?{byteLength:16,width:4,height:4}:e===aA||e===oA||e===uA||e===lA?{byteLength:8,width:4,height:4}:e===dA||e===cA?{byteLength:16,width:4,height:4}:e===hA||e===pA?{byteLength:8,width:4,height:4}:e===gA||e===mA||e===fA||e===yA?{byteLength:16,width:4,height:4}:e===bA||e===xA?{byteLength:16,width:5,height:4}:e===TA||e===_A?{byteLength:16,width:5,height:5}:e===vA||e===NA?{byteLength:16,width:6,height:5}:e===SA||e===RA?{byteLength:16,width:6,height:6}:e===EA||e===AA?{byteLength:16,width:8,height:5}:e===wA||e===CA?{byteLength:16,width:8,height:6}:e===MA||e===BA?{byteLength:16,width:8,height:8}:e===FA||e===LA?{byteLength:16,width:10,height:5}:e===PA||e===DA?{byteLength:16,width:10,height:6}:e===UA||e===IA?{byteLength:16,width:10,height:8}:e===OA||e===VA?{byteLength:16,width:10,height:10}:e===kA||e===GA?{byteLength:16,width:12,height:10}:e===zA||e===$A?{byteLength:16,width:12,height:12}:void 0}_convertAddressMode(e){let t=WA;return e===Vr?t=HA:e===Or&&(t=qA),t}_convertFilterMode(e){let t=jA;return e!==w&&e!==kr&&e!==nt||(t=XA),t}_getBytesPerTexel(e){return e===nE||e===aE||e===oE||e===uE?1:e===lE||e===dE||e===cE||e===hE||e===pE||e===gE||e===mE?2:e===fE||e===yE||e===bE||e===xE||e===TE||e===_E||e===vE||e===NE||e===SE||e===RE||e===EE||e===AE||e===wE||e===CE||e===ME||e===BE||e===WE||e===zE||e===$E||e===HE?4:e===FE||e===LE||e===PE||e===DE||e===UE||e===IE?8:e===OE||e===VE||e===kE?16:void 0}_getTypedArrayType(e){return e===oE?Uint8Array:e===uE?Int8Array:e===nE?Uint8Array:e===aE?Int8Array:e===gE?Uint8Array:e===mE?Int8Array:e===hE?Uint8Array:e===pE?Int8Array:e===RE?Uint8Array:e===EE?Int8Array:e===vE||e===NE?Uint8Array:e===SE?Int8Array:e===lE?Uint16Array:e===dE?Int16Array:e===xE?Uint16Array:e===TE?Int16Array:e===DE?Uint16Array:e===UE?Int16Array:e===cE||e===_E||e===IE?Uint16Array:e===fE?Uint32Array:e===yE?Int32Array:e===bE?Float32Array:e===FE?Uint32Array:e===LE?Int32Array:e===PE?Float32Array:e===OE?Uint32Array:e===VE?Int32Array:e===kE?Float32Array:e===AE||e===wE?Uint8Array:e===ME||e===CE||e===BE?Uint32Array:e===WE?Float32Array:e===zE||e===$E?Uint32Array:e===HE?Float32Array:void 0}_getDimension(e){let t;return t=e.is3DTexture||e.isData3DTexture?Uw:Dw,t}}function eC(e,t=null){const r=e.format,s=e.type,i=e.colorSpace,n=p.getTransfer(i);let a;if(!0===e.isCompressedTexture||!0===e.isCompressedArrayTexture)switch(r){case ar:case or:a=n===g?jE:qE;break;case ur:a=n===g?KE:XE;break;case lr:a=n===g?QE:YE;break;case Dr:a=ZE;break;case Ur:a=JE;break;case z:a=eA;break;case Ir:a=tA;break;case Pr:a=n===g?nA:iA;break;case mr:case gr:a=n===g?oA:aA;break;case fr:a=n===g?cA:dA;break;case yr:a=hA;break;case br:a=pA;break;case $:a=gA;break;case xr:a=mA;break;case Tr:a=n===g?yA:fA;break;case _r:a=n===g?xA:bA;break;case vr:a=n===g?_A:TA;break;case Nr:a=n===g?NA:vA;break;case Sr:a=n===g?RA:SA;break;case Rr:a=n===g?AA:EA;break;case Er:a=n===g?CA:wA;break;case Ar:a=n===g?BA:MA;break;case wr:a=n===g?LA:FA;break;case Cr:a=n===g?DA:PA;break;case Mr:a=n===g?IA:UA;break;case Br:a=n===g?VA:OA;break;case Fr:a=n===g?GA:kA;break;case Lr:a=n===g?$A:zA;break;case Se:a=n===g?NE:vE;break;default:o("WebGPURenderer: Unsupported texture format.",r)}else switch(r){case Se:switch(s){case vt:a=SE;break;case _t:a=UE;break;case Nt:a=DE;break;case S:a=OE;break;case R:a=VE;break;case Ve:a=n===g?NE:vE;break;case be:a=IE;break;case j:a=kE;break;default:o("WebGPURenderer: Unsupported texture type with RGBAFormat.",s)}break;case Et:switch(s){case sr:a=CE;break;case ir:a=BE;break;default:o("WebGPURenderer: Unsupported texture type with RGBFormat.",s)}break;case Tt:switch(s){case vt:a=aE;break;case _t:a=dE;break;case Nt:a=lE;break;case S:a=fE;break;case R:a=yE;break;case Ve:a=nE;break;case be:a=cE;break;case j:a=bE;break;default:o("WebGPURenderer: Unsupported texture type with RedFormat.",s)}break;case G:switch(s){case vt:a=pE;break;case _t:a=TE;break;case Nt:a=xE;break;case S:a=FE;break;case R:a=LE;break;case Ve:a=hE;break;case be:a=_E;break;case j:a=PE;break;default:o("WebGPURenderer: Unsupported texture type with RGFormat.",s)}break;case Ie:switch(s){case Nt:a=GE;break;case S:a=zE;break;case j:a=WE;break;default:o("WebGPURenderer: Unsupported texture type with DepthFormat.",s)}break;case Ue:switch(s){case Oe:a=$E;break;case j:t&&!1===t.features.has(Ww.Depth32FloatStencil8)&&o('WebGPURenderer: Depth textures with DepthStencilFormat + FloatType can only be used with the "depth32float-stencil8" GPU feature.'),a=HE;break;default:o("WebGPURenderer: Unsupported texture type with DepthStencilFormat.",s)}break;case xt:switch(s){case R:a=yE;break;case S:a=fE;break;default:o("WebGPURenderer: Unsupported texture type with RedIntegerFormat.",s)}break;case St:switch(s){case R:a=LE;break;case S:a=FE;break;default:o("WebGPURenderer: Unsupported texture type with RGIntegerFormat.",s)}break;case At:switch(s){case R:a=VE;break;case S:a=OE;break;default:o("WebGPURenderer: Unsupported texture type with RGBAIntegerFormat.",s)}break;default:o("WebGPURenderer: Unsupported texture format.",r)}return a}const tC=/^[fn]*\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)\s*[\-\>]*\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/i,rC=/([a-z_0-9]+)\s*:\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/gi,sC={f32:"float",i32:"int",u32:"uint",bool:"bool","vec2<f32>":"vec2","vec2<i32>":"ivec2","vec2<u32>":"uvec2","vec2<bool>":"bvec2",vec2f:"vec2",vec2i:"ivec2",vec2u:"uvec2",vec2b:"bvec2","vec3<f32>":"vec3","vec3<i32>":"ivec3","vec3<u32>":"uvec3","vec3<bool>":"bvec3",vec3f:"vec3",vec3i:"ivec3",vec3u:"uvec3",vec3b:"bvec3","vec4<f32>":"vec4","vec4<i32>":"ivec4","vec4<u32>":"uvec4","vec4<bool>":"bvec4",vec4f:"vec4",vec4i:"ivec4",vec4u:"uvec4",vec4b:"bvec4","mat2x2<f32>":"mat2",mat2x2f:"mat2","mat3x3<f32>":"mat3",mat3x3f:"mat3","mat4x4<f32>":"mat4",mat4x4f:"mat4",sampler:"sampler",texture_1d:"texture",texture_2d:"texture",texture_2d_array:"texture",texture_multisampled_2d:"cubeTexture",texture_depth_2d:"depthTexture",texture_depth_2d_array:"depthTexture",texture_depth_multisampled_2d:"depthTexture",texture_depth_cube:"depthTexture",texture_depth_cube_array:"depthTexture",texture_3d:"texture3D",texture_cube:"cubeTexture",texture_cube_array:"cubeTexture",texture_storage_1d:"storageTexture",texture_storage_2d:"storageTexture",texture_storage_2d_array:"storageTexture",texture_storage_3d:"storageTexture"};class iC extends oS{constructor(e){const{type:t,inputs:r,name:s,inputsCode:i,blockCode:n,outputType:a}=(e=>{const t=(e=e.trim()).match(tC);if(null!==t&&4===t.length){const r=t[2],s=[];let i=null;for(;null!==(i=rC.exec(r));)s.push({name:i[1],type:i[2]});const n=[];for(let e=0;e<s.length;e++){const{name:t,type:r}=s[e];let i=r;i.startsWith("ptr")?i="pointer":(i.startsWith("texture")&&(i=r.split("<")[0]),i=sC[i]),n.push(new jN(i,t))}const a=e.substring(t[0].length),o=t[3]||"void",u=void 0!==t[1]?t[1]:"";return{type:sC[o]||o,inputs:n,name:u,inputsCode:r,blockCode:a,outputType:o}}throw new Error("FunctionNode: Function is not a WGSL code.")})(e);super(t,r,s),this.inputsCode=i,this.blockCode=n,this.outputType=a}getCode(e=this.name){const t="void"!==this.outputType?"-> "+this.outputType:"";return`fn ${e} ( ${this.inputsCode.trim()} ) ${t}`+this.blockCode}}class nC extends aS{parseFunction(e){return new iC(e)}}const aC={[ri.READ_ONLY]:"read",[ri.WRITE_ONLY]:"write",[ri.READ_WRITE]:"read_write"},oC={[Vr]:"repeat",[xe]:"clamp",[Or]:"mirror"},uC={vertex:GR.VERTEX,fragment:GR.FRAGMENT,compute:GR.COMPUTE},lC={instance:!0,swizzleAssign:!1,storageBuffer:!0},dC={"^^":"tsl_xor"},cC={float:"f32",int:"i32",uint:"u32",bool:"bool",color:"vec3<f32>",vec2:"vec2<f32>",ivec2:"vec2<i32>",uvec2:"vec2<u32>",bvec2:"vec2<bool>",vec3:"vec3<f32>",ivec3:"vec3<i32>",uvec3:"vec3<u32>",bvec3:"vec3<bool>",vec4:"vec4<f32>",ivec4:"vec4<i32>",uvec4:"vec4<u32>",bvec4:"vec4<bool>",mat2:"mat2x2<f32>",mat3:"mat3x3<f32>",mat4:"mat4x4<f32>"},hC={},pC={tsl_xor:new cT("fn tsl_xor( a : bool, b : bool ) -> bool { return ( a || b ) && !( a && b ); }"),mod_float:new cT("fn tsl_mod_float( x : f32, y : f32 ) -> f32 { return x - y * floor( x / y ); }"),mod_vec2:new cT("fn tsl_mod_vec2( x : vec2f, y : vec2f ) -> vec2f { return x - y * floor( x / y ); }"),mod_vec3:new cT("fn tsl_mod_vec3( x : vec3f, y : vec3f ) -> vec3f { return x - y * floor( x / y ); }"),mod_vec4:new cT("fn tsl_mod_vec4( x : vec4f, y : vec4f ) -> vec4f { return x - y * floor( x / y ); }"),equals_bool:new cT("fn tsl_equals_bool( a : bool, b : bool ) -> bool { return a == b; }"),equals_bvec2:new cT("fn tsl_equals_bvec2( a : vec2f, b : vec2f ) -> vec2<bool> { return vec2<bool>( a.x == b.x, a.y == b.y ); }"),equals_bvec3:new cT("fn tsl_equals_bvec3( a : vec3f, b : vec3f ) -> vec3<bool> { return vec3<bool>( a.x == b.x, a.y == b.y, a.z == b.z ); }"),equals_bvec4:new cT("fn tsl_equals_bvec4( a : vec4f, b : vec4f ) -> vec4<bool> { return vec4<bool>( a.x == b.x, a.y == b.y, a.z == b.z, a.w == b.w ); }"),repeatWrapping_float:new cT("fn tsl_repeatWrapping_float( coord: f32 ) -> f32 { return fract( coord ); }"),mirrorWrapping_float:new cT("fn tsl_mirrorWrapping_float( coord: f32 ) -> f32 { let mirrored = fract( coord * 0.5 ) * 2.0; return 1.0 - abs( 1.0 - mirrored ); }"),clampWrapping_float:new cT("fn tsl_clampWrapping_float( coord: f32 ) -> f32 { return clamp( coord, 0.0, 1.0 ); }"),biquadraticTexture:new cT("\nfn tsl_biquadraticTexture( map : texture_2d<f32>, coord : vec2f, iRes : vec2u, level : u32 ) -> vec4f {\n\n\tlet res = vec2f( iRes );\n\n\tlet uvScaled = coord * res;\n\tlet uvWrapping = ( ( uvScaled % res ) + res ) % res;\n\n\t// https://www.shadertoy.com/view/WtyXRy\n\n\tlet uv = uvWrapping - 0.5;\n\tlet iuv = floor( uv );\n\tlet f = fract( uv );\n\n\tlet rg1 = textureLoad( map, vec2u( iuv + vec2( 0.5, 0.5 ) ) % iRes, level );\n\tlet rg2 = textureLoad( map, vec2u( iuv + vec2( 1.5, 0.5 ) ) % iRes, level );\n\tlet rg3 = textureLoad( map, vec2u( iuv + vec2( 0.5, 1.5 ) ) % iRes, level );\n\tlet rg4 = textureLoad( map, vec2u( iuv + vec2( 1.5, 1.5 ) ) % iRes, level );\n\n\treturn mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );\n\n}\n"),biquadraticTextureArray:new cT("\nfn tsl_biquadraticTexture_array( map : texture_2d_array<f32>, coord : vec2f, iRes : vec2u, layer : u32, level : u32 ) -> vec4f {\n\n\tlet res = vec2f( iRes );\n\n\tlet uvScaled = coord * res;\n\tlet uvWrapping = ( ( uvScaled % res ) + res ) % res;\n\n\t// https://www.shadertoy.com/view/WtyXRy\n\n\tlet uv = uvWrapping - 0.5;\n\tlet iuv = floor( uv );\n\tlet f = fract( uv );\n\n\tlet rg1 = textureLoad( map, vec2u( iuv + vec2( 0.5, 0.5 ) ) % iRes, layer, level );\n\tlet rg2 = textureLoad( map, vec2u( iuv + vec2( 1.5, 0.5 ) ) % iRes, layer, level );\n\tlet rg3 = textureLoad( map, vec2u( iuv + vec2( 0.5, 1.5 ) ) % iRes, layer, level );\n\tlet rg4 = textureLoad( map, vec2u( iuv + vec2( 1.5, 1.5 ) ) % iRes, layer, level );\n\n\treturn mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );\n\n}\n")},gC={dFdx:"dpdx",dFdy:"- dpdy",mod_float:"tsl_mod_float",mod_vec2:"tsl_mod_vec2",mod_vec3:"tsl_mod_vec3",mod_vec4:"tsl_mod_vec4",equals_bool:"tsl_equals_bool",equals_bvec2:"tsl_equals_bvec2",equals_bvec3:"tsl_equals_bvec3",equals_bvec4:"tsl_equals_bvec4",inversesqrt:"inverseSqrt",bitcast:"bitcast<f32>",floatpack_snorm_2x16:"pack2x16snorm",floatpack_unorm_2x16:"pack2x16unorm",floatpack_float16_2x16:"pack2x16float",floatunpack_snorm_2x16:"unpack2x16snorm",floatunpack_unorm_2x16:"unpack2x16unorm",floatunpack_float16_2x16:"unpack2x16float"};let mC="";!0!==("undefined"!=typeof navigator&&/Firefox|Deno/g.test(navigator.userAgent))&&(mC+="diagnostic( off, derivative_uniformity );\n");class fC extends HN{constructor(e,t){super(e,t,new nC),this.uniformGroups={},this.uniformGroupsBindings={},this.builtins={},this.directives={},this.scopedArrays=new Map}_generateTextureSample(e,t,r,s,i,n=this.shaderStage){return"fragment"===n?s?i?`textureSample( ${t}, ${t}_sampler, ${r}, ${s}, ${i} )`:`textureSample( ${t}, ${t}_sampler, ${r}, ${s} )`:i?`textureSample( ${t}, ${t}_sampler, ${r}, ${i} )`:`textureSample( ${t}, ${t}_sampler, ${r} )`:this.generateTextureSampleLevel(e,t,r,"0",s)}generateTextureSampleLevel(e,t,r,s,i,n){return!1===this.isUnfilterable(e)?i?n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,n,s,i):this.generateTextureLod(e,t,r,i,n,s)}generateWrapFunction(e){const t=`tsl_coord_${oC[e.wrapS]}S_${oC[e.wrapT]}_${e.is3DTexture||e.isData3DTexture?"3d":"2d"}T`;let r=hC[t];if(void 0===r){const s=[],i=e.is3DTexture||e.isData3DTexture?"vec3f":"vec2f";let n=`fn ${t}( coord : ${i} ) -> ${i} {\n\n\treturn ${i}(\n`;const a=(e,t)=>{e===Vr?(s.push(pC.repeatWrapping_float),n+=`\t\ttsl_repeatWrapping_float( coord.${t} )`):e===xe?(s.push(pC.clampWrapping_float),n+=`\t\ttsl_clampWrapping_float( coord.${t} )`):e===Or?(s.push(pC.mirrorWrapping_float),n+=`\t\ttsl_mirrorWrapping_float( coord.${t} )`):(n+=`\t\tcoord.${t}`,d(`WebGPURenderer: Unsupported texture wrap type "${e}" for vertex shader.`))};a(e.wrapS,"x"),n+=",\n",a(e.wrapT,"y"),(e.is3DTexture||e.isData3DTexture)&&(n+=",\n",a(e.wrapR,"z")),n+="\n\t);\n\n}\n",hC[t]=r=new cT(n,s)}return r.build(this),t}generateArrayDeclaration(e,t){return`array< ${this.getType(e)}, ${t} >`}generateTextureDimension(e,t,r){const s=this.getDataFromNode(e,this.shaderStage,this.globalCache);void 0===s.dimensionsSnippet&&(s.dimensionsSnippet={});let i=s.dimensionsSnippet[r];if(void 0===s.dimensionsSnippet[r]){let n,a;const{primarySamples:o}=this.renderer.backend.utils.getTextureSampleData(e),u=o>1;a=e.is3DTexture||e.isData3DTexture?"vec3<u32>":"vec2<u32>",n=u||e.isStorageTexture?t:`${t}${r?`, u32( ${r} )`:""}`,i=new Au(new gl(`textureDimensions( ${n} )`,a)),s.dimensionsSnippet[r]=i,(e.isArrayTexture||e.isDataArrayTexture||e.is3DTexture||e.isData3DTexture)&&(s.arrayLayerCount=new Au(new gl(`textureNumLayers(${t})`,"u32"))),e.isTextureCube&&(s.cubeFaceCount=new Au(new gl("6u","u32")))}return i.build(this)}generateFilteredTexture(e,t,r,s,i="0u",n){const a=this.generateWrapFunction(e),o=this.generateTextureDimension(e,t,i);return s&&(r=`${r} + vec2<f32>(${s}) / ${o}`),n?(this._include("biquadraticTextureArray"),`tsl_biquadraticTexture_array( ${t}, ${a}( ${r} ), ${o}, u32( ${n} ), u32( ${i} ) )`):(this._include("biquadraticTexture"),`tsl_biquadraticTexture( ${t}, ${a}( ${r} ), ${o}, u32( ${i} ) )`)}generateTextureLod(e,t,r,s,i,n="0u"){if(!0===e.isCubeTexture){i&&(r=`${r} + vec3<f32>(${i})`);return`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${e.isDepthTexture?"u32":"f32"}( ${n} ) )`}const a=this.generateWrapFunction(e),o=this.generateTextureDimension(e,t,n),u=e.is3DTexture||e.isData3DTexture?"vec3":"vec2";i&&(r=`${r} + ${u}<f32>(${i}) / ${u}<f32>( ${o} )`);return r=`${u}<u32>( clamp( floor( ${a}( ${r} ) * ${u}<f32>( ${o} ) ), ${`${u}<f32>( 0 )`}, ${`${u}<f32>( ${o} - ${"vec3"===u?"vec3<u32>( 1, 1, 1 )":"vec2<u32>( 1, 1 )"} )`} ) )`,this.generateTextureLoad(e,t,r,n,s,null)}generateTextureLoad(e,t,r,s,i,n){const a=!0===e.isStorageTexture;let o;return null!==s||a||(s="0u"),n&&(r=`${r} + ${n}`),i?o=a?`textureLoad( ${t}, ${r}, ${i} )`:`textureLoad( ${t}, ${r}, ${i}, u32( ${s} ) )`:a?o=`textureLoad( ${t}, ${r} )`:(o=`textureLoad( ${t}, ${r}, u32( ${s} ) )`,this.renderer.backend.compatibilityMode&&e.isDepthTexture&&(o+=".x")),o}generateTextureStore(e,t,r,s,i){let n;return n=s?`textureStore( ${t}, ${r}, ${s}, ${i} )`:`textureStore( ${t}, ${r}, ${i} )`,n}isSampleCompare(e){return!0===e.isDepthTexture&&null!==e.compareFunction&&this.renderer.hasCompatibility(E.TEXTURE_COMPARE)}isUnfilterable(e){return"float"!==this.getComponentTypeFromTexture(e)||!this.isAvailable("float32Filterable")&&!0===e.isDataTexture&&e.type===j||!1===this.isSampleCompare(e)&&e.minFilter===w&&e.magFilter===w||this.renderer.backend.utils.getTextureSampleData(e).primarySamples>1}generateTexture(e,t,r,s,i,n=this.shaderStage){let a=null;return a=this.isUnfilterable(e)?this.generateTextureLod(e,t,r,s,i,"0",n):this._generateTextureSample(e,t,r,s,i,n),a}generateTextureGrad(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return i?n?`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${i}, ${s[0]}, ${s[1]}, ${n} )`:`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${i}, ${s[0]}, ${s[1]} )`:n?`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${s[0]}, ${s[1]}, ${n} )`:`textureSampleGrad( ${t}, ${t}_sampler, ${r}, ${s[0]}, ${s[1]} )`;o(`WebGPURenderer: THREE.TextureNode.gradient() does not support ${a} shader.`)}generateTextureCompare(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return!0===e.isDepthTexture&&!0===e.isArrayTexture?n?`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleCompare( ${t}, ${t}_sampler, ${r}, ${s} )`;o(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${a} shader.`)}generateTextureLevel(e,t,r,s,i,n){return!1===this.isUnfilterable(e)?i?n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${r}, ${s} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,r,n,s,i):this.generateTextureLod(e,t,r,i,n,s)}generateTextureBias(e,t,r,s,i,n,a=this.shaderStage){if("fragment"===a)return i?n?`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${i}, ${s}, ${n} )`:`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${i}, ${s} )`:n?`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s}, ${n} )`:`textureSampleBias( ${t}, ${t}_sampler, ${r}, ${s} )`;o(`WebGPURenderer: THREE.TextureNode.biasNode does not support ${a} shader.`)}getPropertyName(e,t=this.shaderStage){if(!0===e.isNodeVarying&&!0===e.needsInterpolation){if("vertex"===t)return`varyings.${e.name}`}else if(!0===e.isNodeUniform){const t=e.name,r=e.type;return"texture"===r||"cubeTexture"===r||"cubeDepthTexture"===r||"storageTexture"===r||"texture3D"===r?t:"buffer"===r||"storageBuffer"===r||"indirectStorageBuffer"===r?this.isCustomStruct(e)?t:t+".value":e.groupNode.name+"."+t}return super.getPropertyName(e)}getOutputStructName(){return"output"}getFunctionOperator(e){const t=dC[e];return void 0!==t?(this._include(t),t):null}getNodeAccess(e,t){return"compute"!==t?!0===e.isAtomic?(d("WebGPURenderer: Atomic operations are only supported in compute shaders."),ri.READ_WRITE):ri.READ_ONLY:e.access}getStorageAccess(e,t){return aC[this.getNodeAccess(e,t)]}getUniformFromNode(e,t,r,s=null){const i=super.getUniformFromNode(e,t,r,s),n=this.getDataFromNode(e,r,this.globalCache);if(void 0===n.uniformGPU){let a;const o=e.groupNode,u=o.name,l=this.getBindGroupArray(u,r);if("texture"===t||"cubeTexture"===t||"cubeDepthTexture"===t||"storageTexture"===t||"texture3D"===t){let s=null;const n=this.getNodeAccess(e,r);"texture"===t||"storageTexture"===t?s=!0===e.value.is3DTexture?new nR(i.name,i.node,o,n):new sR(i.name,i.node,o,n):"cubeTexture"===t||"cubeDepthTexture"===t?s=new iR(i.name,i.node,o,n):"texture3D"===t&&(s=new nR(i.name,i.node,o,n)),s.store=!0===e.isStorageTextureNode,s.mipLevel=s.store?e.mipLevel:0,s.setVisibility(uC[r]);if(!0===e.value.isCubeTexture||!1===this.isUnfilterable(e.value)&&!1===s.store){const e=new qw(`${i.name}_sampler`,i.node,o);e.setVisibility(uC[r]),l.push(e,s),a=[e,s]}else l.push(s),a=[s]}else if("buffer"===t||"storageBuffer"===t||"indirectStorageBuffer"===t){const n=this.getSharedDataFromNode(e);let u=n.buffer;if(void 0===u){u=new("buffer"===t?YS:Kw)(e,o),n.buffer=u}u.setVisibility(u.getVisibility()|uC[r]),l.push(u),a=u,i.name=s||"NodeBuffer_"+i.id}else{let e=this.uniformGroups[u];void 0===e&&(e=new JS(u,o),this.uniformGroups[u]=e),e.setVisibility(e.getVisibility()|uC[r]),-1===l.indexOf(e)&&l.push(e),a=this.getNodeUniform(i,t);const s=a.name;e.uniforms.some(e=>e.name===s)||e.addUniform(a)}n.uniformGPU=a}return i}getBuiltin(e,t,r,s=this.shaderStage){const i=this.builtins[s]||(this.builtins[s]=new Map);return!1===i.has(e)&&i.set(e,{name:e,property:t,type:r}),t}hasBuiltin(e,t=this.shaderStage){return void 0!==this.builtins[t]&&this.builtins[t].has(e)}getVertexIndex(){return"vertex"===this.shaderStage?this.getBuiltin("vertex_index","vertexIndex","u32","attribute"):"vertexIndex"}buildFunctionCode(e){const t=e.layout,r=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(e.name+" : "+this.getType(e.type));let i=`fn ${t.name}( ${s.join(", ")} ) -> ${this.getType(t.type)} {\n${r.vars}\n${r.code}\n`;return r.result&&(i+=`\treturn ${r.result};\n`),i+="\n}\n",i}getInstanceIndex(){return"vertex"===this.shaderStage?this.getBuiltin("instance_index","instanceIndex","u32","attribute"):"instanceIndex"}getInvocationLocalIndex(){return this.getBuiltin("local_invocation_index","invocationLocalIndex","u32","attribute")}getSubgroupSize(){return this.enableSubGroups(),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute")}getInvocationSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_invocation_id","invocationSubgroupIndex","u32","attribute")}getSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_id","subgroupIndex","u32","attribute")}getDrawIndex(){return null}getFrontFacing(){return this.getBuiltin("front_facing","isFront","bool")}getFragCoord(){return this.getBuiltin("position","fragCoord","vec4<f32>")+".xy"}getFragDepth(){return"output."+this.getBuiltin("frag_depth","depth","f32","output")}getClipDistance(){return"varyings.hw_clip_distances"}isFlipY(){return!1}enableDirective(e,t=this.shaderStage){(this.directives[t]||(this.directives[t]=new Set)).add(e)}getDirectives(e){const t=[],r=this.directives[e];if(void 0!==r)for(const e of r)t.push(`enable ${e};`);return t.join("\n")}enableSubGroups(){this.enableDirective("subgroups")}enableSubgroupsF16(){this.enableDirective("subgroups-f16")}enableClipDistances(){this.enableDirective("clip_distances")}enableShaderF16(){this.enableDirective("f16")}enableDualSourceBlending(){this.enableDirective("dual_source_blending")}enableHardwareClipping(e){this.enableClipDistances(),this.getBuiltin("clip_distances","hw_clip_distances",`array<f32, ${e} >`,"vertex")}getBuiltins(e){const t=[],r=this.builtins[e];if(void 0!==r)for(const{name:e,property:s,type:i}of r.values())t.push(`@builtin( ${e} ) ${s} : ${i}`);return t.join(",\n\t")}getScopedArray(e,t,r,s){return!1===this.scopedArrays.has(e)&&this.scopedArrays.set(e,{name:e,scope:t,bufferType:r,bufferCount:s}),e}getScopedArrays(e){if("compute"!==e)return;const t=[];for(const{name:e,scope:r,bufferType:s,bufferCount:i}of this.scopedArrays.values()){const n=this.getType(s);t.push(`var<${r}> ${e}: array< ${n}, ${i} >;`)}return t.join("\n")}getAttributes(e){const t=[];if("compute"===e&&(this.getBuiltin("global_invocation_id","globalId","vec3<u32>","attribute"),this.getBuiltin("workgroup_id","workgroupId","vec3<u32>","attribute"),this.getBuiltin("local_invocation_id","localId","vec3<u32>","attribute"),this.getBuiltin("num_workgroups","numWorkgroups","vec3<u32>","attribute"),this.renderer.hasFeature("subgroups")&&(this.enableDirective("subgroups",e),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute"))),"vertex"===e||"compute"===e){const e=this.getBuiltins("attribute");e&&t.push(e);const r=this.getAttributesArray();for(let e=0,s=r.length;e<s;e++){const s=r[e],i=s.name,n=this.getType(s.type);t.push(`@location( ${e} ) ${i} : ${n}`)}}return t.join(",\n\t")}getStructMembers(e){const t=[];for(const r of e.members){const s=e.output?"@location( "+r.index+" ) ":"";let i=this.getType(r.type);r.atomic&&(i="atomic< "+i+" >"),t.push(`\t${s+r.name} : ${i}`)}return e.output&&t.push(`\t${this.getBuiltins("output")}`),t.join(",\n")}getStructs(e){let t="";const r=this.structs[e];if(r.length>0){const e=[];for(const t of r){let r=`struct ${t.name} {\n`;r+=this.getStructMembers(t),r+="\n};",e.push(r)}t="\n"+e.join("\n\n")+"\n"}return t}getVar(e,t,r=null){let s=`var ${t} : `;return s+=null!==r?this.generateArrayDeclaration(e,r):this.getType(e),s}getVars(e){const t=[],r=this.vars[e];if(void 0!==r)for(const e of r)t.push(`\t${this.getVar(e.type,e.name,e.count)};`);return`\n${t.join("\n")}\n`}getVaryings(e){const t=[];if("vertex"===e&&this.getBuiltin("position","builtinClipSpace","vec4<f32>","vertex"),"vertex"===e||"fragment"===e){const r=this.varyings,s=this.vars[e];for(let i=0;i<r.length;i++){const n=r[i];if(n.needsInterpolation){let e=`@location( ${i} )`;if(n.interpolationType){const t=null!==n.interpolationSampling?`, ${n.interpolationSampling} )`:" )";e+=` @interpolate( ${n.interpolationType}${t}`}else/^(int|uint|ivec|uvec)/.test(n.type)&&(e+=" @interpolate(flat, either)");t.push(`${e} ${n.name} : ${this.getType(n.type)}`)}else"vertex"===e&&!1===s.includes(n)&&s.push(n)}}const r=this.getBuiltins(e);r&&t.push(r);const s=t.join(",\n\t");return"vertex"===e?this._getWGSLStruct("VaryingsStruct","\t"+s):s}isCustomStruct(e){const t=e.value,r=e.node,s=(t.isBufferAttribute||t.isInstancedBufferAttribute)&&null!==r.structTypeNode,i=r.value&&r.value.array&&"number"==typeof r.value.itemSize&&r.value.array.length>r.value.itemSize;return s&&!i}getUniforms(e){const t=this.uniforms[e],r=[],s=[],i=[],n={};for(const i of t){const t=i.groupNode.name,a=this.bindingsIndexes[t];if("texture"===i.type||"cubeTexture"===i.type||"cubeDepthTexture"===i.type||"storageTexture"===i.type||"texture3D"===i.type){const t=i.node.value;let s;(!0===t.isCubeTexture||!1===this.isUnfilterable(t)&&!0!==i.node.isStorageTextureNode)&&(this.isSampleCompare(t)?r.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var ${i.name}_sampler : sampler_comparison;`):r.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var ${i.name}_sampler : sampler;`));let n="";const{primarySamples:o}=this.renderer.backend.utils.getTextureSampleData(t);if(o>1&&(n="_multisampled"),!0===t.isCubeTexture&&!0===t.isDepthTexture)s="texture_depth_cube";else if(!0===t.isCubeTexture)s="texture_cube<f32>";else if(!0===t.isDepthTexture)s=this.renderer.backend.compatibilityMode&&null===t.compareFunction?`texture${n}_2d<f32>`:`texture_depth${n}_2d${!0===t.isArrayTexture?"_array":""}`;else if(!0===i.node.isStorageTextureNode){const r=eC(t),n=this.getStorageAccess(i.node,e),a=i.node.value.is3DTexture,o=i.node.value.isArrayTexture;s=`texture_storage_${a?"3d":"2d"+(o?"_array":"")}<${r}, ${n}>`}else if(!0===t.isArrayTexture||!0===t.isDataArrayTexture||!0===t.isCompressedArrayTexture)s="texture_2d_array<f32>";else if(!0===t.is3DTexture||!0===t.isData3DTexture)s="texture_3d<f32>";else{s=`texture${n}_2d<${this.getComponentTypeFromTexture(t).charAt(0)}32>`}r.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var ${i.name} : ${s};`)}else if("buffer"===i.type||"storageBuffer"===i.type||"indirectStorageBuffer"===i.type){const t=i.node,r=this.getType(t.getNodeType(this)),n=t.bufferCount,o=n>0&&"buffer"===i.type?", "+n:"",u=t.isStorageBufferNode?`storage, ${this.getStorageAccess(t,e)}`:"uniform";if(this.isCustomStruct(i))s.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var<${u}> ${i.name} : ${r};`);else{const e=`\tvalue : array< ${t.isAtomic?`atomic<${r}>`:`${r}`}${o} >`;s.push(this._getWGSLStructBinding(i.name,e,u,a.binding++,a.group))}}else{const e=i.groupNode.name;if(void 0===n[e]){const t=this.uniformGroups[e];if(void 0!==t){const r=[];for(const e of t.uniforms){const t=e.getType(),s=this.getType(this.getVectorType(t));r.push(`\t${e.name} : ${s}`)}let s=this.uniformGroupsBindings[e];void 0===s&&(s={index:a.binding++,id:a.group},this.uniformGroupsBindings[e]=s),n[e]={index:s.index,id:s.id,snippets:r}}}}}for(const e in n){const t=n[e];i.push(this._getWGSLStructBinding(e,t.snippets.join(",\n"),"uniform",t.index,t.id))}return[...r,...s,...i].join("\n")}buildCode(){const e=null!==this.material?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){this.shaderStage=t;const r=e[t];r.uniforms=this.getUniforms(t),r.attributes=this.getAttributes(t),r.varyings=this.getVaryings(t),r.structs=this.getStructs(t),r.vars=this.getVars(t),r.codes=this.getCodes(t),r.directives=this.getDirectives(t),r.scopedArrays=this.getScopedArrays(t);let s="// code\n\n";s+=this.flowCode[t];const i=this.flowNodes[t],n=i[i.length-1],a=n.outputNode,o=void 0!==a&&!0===a.isOutputStructNode;for(const e of i){const i=this.getFlowData(e),u=e.name;if(u&&(s.length>0&&(s+="\n"),s+=`\t// flow -> ${u}\n`),s+=`${i.code}\n\t`,e===n&&"compute"!==t)if(s+="// result\n\n\t","vertex"===t)s+=`varyings.builtinClipSpace = ${i.result};`;else if("fragment"===t)if(o)r.returnType=a.getNodeType(this),r.structs+="var<private> output : "+r.returnType+";",s+=`return ${i.result};`;else{let e="\t@location(0) color: vec4<f32>";const t=this.getBuiltins("output");t&&(e+=",\n\t"+t),r.returnType="OutputStruct",r.structs+=this._getWGSLStruct("OutputStruct",e),r.structs+="\nvar<private> output : OutputStruct;",s+=`output.color = ${i.result};\n\n\treturn output;`}}r.flow=s}if(this.shaderStage=null,null!==this.material)this.vertexShader=this._getWGSLVertexCode(e.vertex),this.fragmentShader=this._getWGSLFragmentCode(e.fragment);else{const t=this.object.workgroupSize;this.computeShader=this._getWGSLComputeCode(e.compute,t)}}getMethod(e,t=null){let r;return null!==t&&(r=this._getWGSLMethod(e+"_"+t)),void 0===r&&(r=this._getWGSLMethod(e)),r||e}getBitcastMethod(e){return`bitcast<${this.getType(e)}>`}getFloatPackingMethod(e){return this.getMethod(`floatpack_${e}_2x16`)}getFloatUnpackingMethod(e){return this.getMethod(`floatunpack_${e}_2x16`)}getTernary(e,t,r){return`select( ${r}, ${t}, ${e} )`}getType(e){return cC[e]||e}isAvailable(e){let t=lC[e];return void 0===t&&("float32Filterable"===e?t=this.renderer.hasFeature("float32-filterable"):"clipDistance"===e&&(t=this.renderer.hasFeature("clip-distances")),lC[e]=t),t}getUniformBufferLimit(){return this.renderer.backend.device.limits.maxUniformBufferBindingSize}_getWGSLMethod(e){return void 0!==pC[e]&&this._include(e),gC[e]}_include(e){const t=pC[e];return t.build(this),this.addInclude(t),t}_getWGSLVertexCode(e){return`${this.getSignature()}\n// directives\n${e.directives}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// varyings\n${e.varyings}\nvar<private> varyings : VaryingsStruct;\n\n// codes\n${e.codes}\n\n@vertex\nfn main( ${e.attributes} ) -> VaryingsStruct {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n\treturn varyings;\n\n}\n`}_getWGSLFragmentCode(e){return`${this.getSignature()}\n// global\n${mC}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// codes\n${e.codes}\n\n@fragment\nfn main( ${e.varyings} ) -> ${e.returnType} {\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLComputeCode(e,t){const[r,s,i]=t;return`${this.getSignature()}\n// directives\n${e.directives}\n\n// system\nvar<private> instanceIndex : u32;\n\n// locals\n${e.scopedArrays}\n\n// structs\n${e.structs}\n\n// uniforms\n${e.uniforms}\n\n// codes\n${e.codes}\n\n@compute @workgroup_size( ${r}, ${s}, ${i} )\nfn main( ${e.attributes} ) {\n\n\t// system\n\tinstanceIndex = globalId.x\n\t\t+ globalId.y * ( ${r} * numWorkgroups.x )\n\t\t+ globalId.z * ( ${r} * numWorkgroups.x ) * ( ${s} * numWorkgroups.y );\n\n\t// vars\n\t${e.vars}\n\n\t// flow\n\t${e.flow}\n\n}\n`}_getWGSLStruct(e,t){return`\nstruct ${e} {\n${t}\n};`}_getWGSLStructBinding(e,t,r,s=0,i=0){const n=e+"Struct";return`${this._getWGSLStruct(n,t)}\n@binding( ${s} ) @group( ${i} )\nvar<${r}> ${e} : ${n};`}}class yC{constructor(e){this.backend=e}getCurrentDepthStencilFormat(e){let t;return e.depth&&(t=null!==e.depthTexture?this.getTextureFormatGPU(e.depthTexture):e.stencil?$E:zE),t}getTextureFormatGPU(e){return this.backend.get(e).format}getTextureSampleData(e){let t;if(e.isFramebufferTexture)t=1;else if(e.isDepthTexture&&!e.renderTarget){const e=this.backend.renderer,r=e.getRenderTarget();t=r?r.samples:e.currentSamples}else e.renderTarget&&(t=e.renderTarget.samples);t=t||1;const r=t>1&&null!==e.renderTarget&&!0!==e.isDepthTexture&&!0!==e.isFramebufferTexture;return{samples:t,primarySamples:r?1:t,isMSAA:r}}getCurrentColorFormat(e){let t;return t=null!==e.textures?this.getTextureFormatGPU(e.textures[0]):this.getPreferredCanvasFormat(),t}getCurrentColorFormats(e){return null!==e.textures?e.textures.map(e=>this.getTextureFormatGPU(e)):[this.getPreferredCanvasFormat()]}getCurrentColorSpace(e){return null!==e.textures?e.textures[0].colorSpace:this.backend.renderer.outputColorSpace}getPrimitiveTopology(e,t){return e.isPoints?IR:e.isLineSegments||e.isMesh&&!0===t.wireframe?OR:e.isLine?VR:e.isMesh?kR:void 0}getSampleCount(e){return e>=4?4:1}getSampleCountRenderContext(e){return null!==e.textures?this.getSampleCount(e.sampleCount):this.getSampleCount(this.backend.renderer.currentSamples)}getPreferredCanvasFormat(){const e=this.backend.parameters.outputType;if(void 0===e)return navigator.gpu.getPreferredCanvasFormat();if(e===Ve)return AE;if(e===be)return IE;throw new Error("Unsupported output buffer type.")}}const bC=new Map([[Int8Array,["sint8","snorm8"]],[Uint8Array,["uint8","unorm8"]],[Int16Array,["sint16","snorm16"]],[Uint16Array,["uint16","unorm16"]],[Int32Array,["sint32","snorm32"]],[Uint32Array,["uint32","unorm32"]],[Float32Array,["float32"]]]);"undefined"!=typeof Float16Array&&bC.set(Float16Array,["float16"]);const xC=new Map([[at,["float16"]]]),TC=new Map([[Int32Array,"sint32"],[Int16Array,"sint32"],[Uint32Array,"uint32"],[Uint16Array,"uint32"],[Float32Array,"float32"]]);class _C{constructor(e){this.backend=e}createAttribute(e,t){const r=this._getBufferAttribute(e),s=this.backend,i=s.get(r);let n=i.buffer;if(void 0===n){const a=s.device;let o=r.array;if(!1===e.normalized)if(o.constructor===Int16Array||o.constructor===Int8Array)o=new Int32Array(o);else if((o.constructor===Uint16Array||o.constructor===Uint8Array)&&(o=new Uint32Array(o),t&GPUBufferUsage.INDEX))for(let e=0;e<o.length;e++)65535===o[e]&&(o[e]=4294967295);if(r.array=o,(r.isStorageBufferAttribute||r.isStorageInstancedBufferAttribute)&&3===r.itemSize){o=new o.constructor(4*r.count);for(let e=0;e<r.count;e++)o.set(r.array.subarray(3*e,3*e+3),4*e);r.itemSize=4,r.array=o,i._force3to4BytesAlignment=!0}const u=o.byteLength,l=u+(4-u%4)%4;n=a.createBuffer({label:r.name,size:l,usage:t,mappedAtCreation:!0}),new o.constructor(n.getMappedRange()).set(o),n.unmap(),i.buffer=n}}updateAttribute(e){const t=this._getBufferAttribute(e),r=this.backend,s=r.device,i=r.get(t),n=r.get(t).buffer;let a=t.array;if(!0===i._force3to4BytesAlignment){a=new a.constructor(4*t.count);for(let e=0;e<t.count;e++)a.set(t.array.subarray(3*e,3*e+3),4*e);t.array=a}const o=t.updateRanges;if(0===o.length)s.queue.writeBuffer(n,0,a,0);else{const e=Xr(a),r=e?1:a.BYTES_PER_ELEMENT;for(let t=0,u=o.length;t<u;t++){const u=o[t];let l,d;if(!0===i._force3to4BytesAlignment){l=4*Math.floor(u.start/3)*r,d=4*Math.ceil(u.count/3)*r}else l=u.start*r,d=u.count*r;const c=l*(e?a.BYTES_PER_ELEMENT:1);s.queue.writeBuffer(n,c,a,l,d)}t.clearUpdateRanges()}}createShaderVertexBuffers(e){const t=e.getAttributes(),r=new Map;for(let e=0;e<t.length;e++){const s=t[e],i=s.array.BYTES_PER_ELEMENT,n=this._getBufferAttribute(s);let a=r.get(n);if(void 0===a){let e,t;!0===s.isInterleavedBufferAttribute?(e=s.data.stride*i,t=s.data.isInstancedInterleavedBuffer?$w:zw):(e=s.itemSize*i,t=s.isInstancedBufferAttribute?$w:zw),!1!==s.normalized||s.array.constructor!==Int16Array&&s.array.constructor!==Uint16Array||(e=4),a={arrayStride:e,attributes:[],stepMode:t},r.set(n,a)}const o=this._getVertexFormat(s),u=!0===s.isInterleavedBufferAttribute?s.offset*i:0;a.attributes.push({shaderLocation:e,offset:u,format:o})}return Array.from(r.values())}destroyAttribute(e){const t=this.backend;t.get(this._getBufferAttribute(e)).buffer.destroy(),t.delete(e)}async getArrayBufferAsync(e){const t=this.backend,r=t.device,s=t.get(this._getBufferAttribute(e)).buffer,i=s.size,n=r.createBuffer({label:`${e.name}_readback`,size:i,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ}),a=r.createCommandEncoder({label:`readback_encoder_${e.name}`});a.copyBufferToBuffer(s,0,n,0,i);const o=a.finish();r.queue.submit([o]),await n.mapAsync(GPUMapMode.READ);const u=n.getMappedRange(),l=new e.array.constructor(u.slice(0));return n.unmap(),l.buffer}_getVertexFormat(e){const{itemSize:t,normalized:r}=e,s=e.array.constructor,i=e.constructor;let n;if(1===t)n=TC.get(s);else{const e=(xC.get(i)||bC.get(s))[r?1:0];if(e){const r=s.BYTES_PER_ELEMENT*t,i=4*Math.floor((r+3)/4)/s.BYTES_PER_ELEMENT;if(i%1)throw new Error("THREE.WebGPUAttributeUtils: Bad vertex format item size.");n=`${e}x${i}`}}return n||o("WebGPUAttributeUtils: Vertex format not supported yet."),n}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}class vC{constructor(e){this.layoutGPU=e,this.usedTimes=0}}class NC{constructor(e){this.backend=e,this._bindGroupLayoutCache=new Map}createBindingsLayout(e){const t=this.backend,r=t.device,s=t.get(e),i=this._createLayoutEntries(e),n=Is(JSON.stringify(i));let a=!1;if(s.layout){if(s.layoutHash===n)return s.layout.layoutGPU;s.layout.usedTimes--,0===s.layout.usedTimes&&this._bindGroupLayoutCache.delete(s.layoutHash),s.layout=void 0,s.layoutHash=void 0,a=!0}let o=this._bindGroupLayoutCache.get(n);return void 0===o&&(o=new vC(r.createBindGroupLayout({entries:i})),this._bindGroupLayoutCache.set(n,o)),o.usedTimes++,s.layout=o,s.layoutHash=n,a&&(s.group=this.createBindGroup(e,o.layoutGPU)),o.layoutGPU}createBindings(e,t,r,s=0){const{backend:i}=this,n=i.get(e),a=this.createBindingsLayout(e);let o;r>0&&(void 0===n.groups&&(n.groups=[],n.versions=[]),n.versions[r]===s&&(o=n.groups[r])),void 0===o&&(o=this.createBindGroup(e,a),r>0&&(n.groups[r]=o,n.versions[r]=s)),n.group=o}updateBinding(e){const t=this.backend,r=t.device,s=e.buffer,i=t.get(e).buffer,n=e.updateRanges;if(0===n.length)r.queue.writeBuffer(i,0,s,0);else{const e=Xr(s),t=e?1:s.BYTES_PER_ELEMENT;for(let a=0,o=n.length;a<o;a++){const o=n[a],u=o.start*t,l=o.count*t,d=u*(e?s.BYTES_PER_ELEMENT:1);r.queue.writeBuffer(i,d,s,u,l)}}}createBindGroupIndex(e,t){const r=this.backend.device,s=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,i=e[0],n=r.createBuffer({label:"bindingCameraIndex_"+i,size:16,usage:s});r.queue.writeBuffer(n,0,e,0);const a=[{binding:0,resource:{buffer:n}}];return r.createBindGroup({label:"bindGroupCameraIndex_"+i,layout:t,entries:a})}createBindGroup(e,t){const r=this.backend,s=r.device;let i=0;const n=[];for(const t of e.bindings){if(t.isUniformBuffer){const e=r.get(t);if(void 0===e.buffer){const r=t.byteLength,i=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,n=[];t.visibility&GR.VERTEX&&n.push("vertex"),t.visibility&GR.FRAGMENT&&n.push("fragment"),t.visibility&GR.COMPUTE&&n.push("compute");const a=`(${n.join(",")})`,o=s.createBuffer({label:`bindingBuffer${t.id}_${t.name}_${a}`,size:r,usage:i});e.buffer=o}n.push({binding:i,resource:{buffer:e.buffer}})}else if(t.isStorageBuffer){const e=r.get(t.attribute).buffer;n.push({binding:i,resource:{buffer:e}})}else if(t.isSampledTexture){const e=r.get(t.texture);let a;if(void 0!==e.externalTexture)a=s.importExternalTexture({source:e.externalTexture});else{const r=t.store?1:e.texture.mipLevelCount,s=t.store?t.mipLevel:0;let i=`view-${e.texture.width}-${e.texture.height}`;if(e.texture.depthOrArrayLayers>1&&(i+=`-${e.texture.depthOrArrayLayers}`),i+=`-${r}-${s}`,a=e[i],void 0===a){const n=Gw;let o;o=t.isSampledCubeTexture?Vw:t.isSampledTexture3D?kw:t.texture.isArrayTexture||t.texture.isDataArrayTexture||t.texture.isCompressedArrayTexture?Ow:Iw,a=e[i]=e.texture.createView({aspect:n,dimension:o,mipLevelCount:r,baseMipLevel:s})}}n.push({binding:i,resource:a})}else if(t.isSampler){const e=r.get(t.texture);n.push({binding:i,resource:e.sampler})}i++}return s.createBindGroup({label:"bindGroup_"+e.name,layout:t,entries:n})}_createLayoutEntries(e){const t=[];let r=0;for(const s of e.bindings){const e=this.backend,i={binding:r,visibility:s.visibility};if(s.isUniformBuffer||s.isStorageBuffer){const e={};s.isStorageBuffer&&(s.visibility&GR.COMPUTE&&(s.access===ri.READ_WRITE||s.access===ri.WRITE_ONLY)?e.type=Nw:e.type=Sw),i.buffer=e}else if(s.isSampledTexture&&s.store){const e={};e.format=this.backend.get(s.texture).texture.format;const t=s.access;e.access=t===ri.READ_WRITE?Aw:t===ri.WRITE_ONLY?Rw:Ew,s.texture.isArrayTexture?e.viewDimension=Ow:s.texture.is3DTexture&&(e.viewDimension=kw),i.storageTexture=e}else if(s.isSampledTexture){const t={},{primarySamples:r}=e.utils.getTextureSampleData(s.texture);if(r>1&&(t.multisampled=!0,s.texture.isDepthTexture||(t.sampleType=Bw)),s.texture.isDepthTexture)e.compatibilityMode&&null===s.texture.compareFunction?t.sampleType=Bw:t.sampleType=Fw;else if(s.texture.isDataTexture||s.texture.isDataArrayTexture||s.texture.isData3DTexture){const e=s.texture.type;e===R?t.sampleType=Lw:e===S?t.sampleType=Pw:e===j&&(this.backend.hasFeature("float32-filterable")?t.sampleType=Mw:t.sampleType=Bw)}s.isSampledCubeTexture?t.viewDimension=Vw:s.texture.isArrayTexture||s.texture.isDataArrayTexture||s.texture.isCompressedArrayTexture?t.viewDimension=Ow:s.isSampledTexture3D&&(t.viewDimension=kw),i.texture=t}else if(s.isSampler){const t={};s.texture.isDepthTexture&&(null!==s.texture.compareFunction&&e.hasCompatibility(E.TEXTURE_COMPARE)?t.type=Cw:t.type=ww),i.sampler=t}else o(`WebGPUBindingUtils: Unsupported binding "${s}".`);t.push(i),r++}return t}deleteBindGroupData(e){const{backend:t}=this,r=t.get(e);r.layout&&(r.layout.usedTimes--,0===r.layout.usedTimes&&this._bindGroupLayoutCache.delete(r.layoutHash),r.layout=void 0,r.layoutHash=void 0)}dispose(){this._bindGroupLayoutCache.clear()}}class SC{constructor(e){this.backend=e,this._activePipelines=new WeakMap}setPipeline(e,t){this._activePipelines.get(e)!==t&&(e.setPipeline(t),this._activePipelines.set(e,t))}_getSampleCount(e){return this.backend.utils.getSampleCountRenderContext(e)}createRenderPipeline(e,t){const{object:r,material:s,geometry:i,pipeline:n}=e,{vertexProgram:a,fragmentProgram:u}=n,l=this.backend,d=l.device,c=l.utils,h=l.get(n),p=[];for(const t of e.getBindings()){const e=l.bindingUtils.createBindingsLayout(t);p.push(e)}const g=l.attributeUtils.createShaderVertexBuffers(e);let m;s.blending===ee||s.blending===ke&&!1===s.transparent||(m=this._getBlending(s));let f={};!0===s.stencilWrite&&(f={compare:this._getStencilCompare(s),failOp:this._getStencilOperation(s.stencilFail),depthFailOp:this._getStencilOperation(s.stencilZFail),passOp:this._getStencilOperation(s.stencilZPass)});const y=this._getColorWriteMask(s),b=[];if(null!==e.context.textures){const t=e.context.textures,r=e.context.mrt;for(let e=0;e<t.length;e++){const s=t[e],i=c.getTextureFormatGPU(s);let n;if(null!==r)if(!0!==this.backend.compatibilityMode){const e=r.getBlendMode(s.name);e.blending===We?n=m:e.blending!==ee&&(n=this._getBlending(e))}else v("WebGPURenderer: Multiple Render Targets (MRT) blending configuration is not fully supported in compatibility mode. The material blending will be used for all render targets."),n=m;else n=m;b.push({format:i,blend:n,writeMask:y})}}else{const t=c.getCurrentColorFormat(e.context);b.push({format:t,blend:m,writeMask:y})}const x=l.get(a).module,T=l.get(u).module,_=this._getPrimitiveState(r,i,s),N=this._getDepthCompare(s),S=c.getCurrentDepthStencilFormat(e.context),R=this._getSampleCount(e.context),E={label:`renderPipeline_${s.name||s.type}_${s.id}`,vertex:Object.assign({},x,{buffers:g}),fragment:Object.assign({},T,{targets:b}),primitive:_,multisample:{count:R,alphaToCoverageEnabled:s.alphaToCoverage&&R>1},layout:d.createPipelineLayout({bindGroupLayouts:p})},A={},w=e.context.depth,C=e.context.stencil;if(!0!==w&&!0!==C||(!0===w&&(A.format=S,A.depthWriteEnabled=s.depthWrite,A.depthCompare=N),!0===C&&(A.stencilFront=f,A.stencilBack={},A.stencilReadMask=s.stencilFuncMask,A.stencilWriteMask=s.stencilWriteMask),!0===s.polygonOffset&&(A.depthBias=s.polygonOffsetUnits,A.depthBiasSlopeScale=s.polygonOffsetFactor,A.depthBiasClamp=0),E.depthStencil=A),d.pushErrorScope("validation"),null===t)h.pipeline=d.createRenderPipeline(E),d.popErrorScope().then(e=>{null!==e&&(h.error=!0,o(e.message))});else{const e=new Promise(async e=>{try{h.pipeline=await d.createRenderPipelineAsync(E)}catch(e){}const t=await d.popErrorScope();null!==t&&(h.error=!0,o(t.message)),e()});t.push(e)}}createBundleEncoder(e,t="renderBundleEncoder"){const r=this.backend,{utils:s,device:i}=r,n=s.getCurrentDepthStencilFormat(e),a={label:t,colorFormats:s.getCurrentColorFormats(e),depthStencilFormat:n,sampleCount:this._getSampleCount(e)};return i.createRenderBundleEncoder(a)}createComputePipeline(e,t){const r=this.backend,s=r.device,i=r.get(e.computeProgram).module,n=r.get(e),a=[];for(const e of t){const t=r.bindingUtils.createBindingsLayout(e);a.push(t)}n.pipeline=s.createComputePipeline({compute:i,layout:s.createPipelineLayout({bindGroupLayouts:a})})}_getBlending(e){let t,r;const s=e.blending,i=e.blendSrc,n=e.blendDst,a=e.blendEquation;if(s===ct){const s=null!==e.blendSrcAlpha?e.blendSrcAlpha:i,o=null!==e.blendDstAlpha?e.blendDstAlpha:n,u=null!==e.blendEquationAlpha?e.blendEquationAlpha:a;t={srcFactor:this._getBlendFactor(i),dstFactor:this._getBlendFactor(n),operation:this._getBlendOperation(a)},r={srcFactor:this._getBlendFactor(s),dstFactor:this._getBlendFactor(o),operation:this._getBlendOperation(u)}}else{const i=(e,s,i,n)=>{t={srcFactor:e,dstFactor:s,operation:uw},r={srcFactor:i,dstFactor:n,operation:uw}};if(e.premultipliedAlpha)switch(s){case ke:i(YA,ew,YA,ew);break;case Ht:i(YA,YA,YA,YA);break;case Wt:i(KA,ZA,KA,YA);break;case $t:i(tw,ew,KA,YA)}else switch(s){case ke:i(JA,ew,YA,ew);break;case Ht:i(JA,YA,YA,YA);break;case Wt:o(`WebGPURenderer: "SubtractiveBlending" requires "${e.isMaterial?"material":"blendMode"}.premultipliedAlpha = true".`);break;case $t:o(`WebGPURenderer: "MultiplyBlending" requires "${e.isMaterial?"material":"blendMode"}.premultipliedAlpha = true".`)}}if(void 0!==t&&void 0!==r)return{color:t,alpha:r};o("WebGPURenderer: Invalid blending: ",s)}_getBlendFactor(e){let t;switch(e){case ht:t=KA;break;case Vt:t=YA;break;case Ot:t=QA;break;case Pt:t=ZA;break;case Ge:t=JA;break;case ze:t=ew;break;case Ut:t=tw;break;case Lt:t=rw;break;case Dt:t=sw;break;case Ft:t=iw;break;case It:t=nw;break;case 211:t=aw;break;case 212:t=ow;break;default:o("WebGPURenderer: Blend factor not supported.",e)}return t}_getStencilCompare(e){let t;const r=e.stencilFunc;switch(r){case rs:t=zR;break;case ts:t=KR;break;case es:t=$R;break;case Jr:t=HR;break;case Zr:t=WR;break;case Qr:t=XR;break;case Yr:t=qR;break;case Kr:t=jR;break;default:o("WebGPURenderer: Invalid stencil function.",r)}return t}_getStencilOperation(e){let t;switch(e){case ds:t=mw;break;case ls:t=fw;break;case us:t=yw;break;case os:t=bw;break;case as:t=xw;break;case ns:t=Tw;break;case is:t=_w;break;case ss:t=vw;break;default:o("WebGPURenderer: Invalid stencil operation.",t)}return t}_getBlendOperation(e){let t;switch(e){case $e:t=uw;break;case Bt:t=lw;break;case Mt:t=dw;break;case hs:t=cw;break;case cs:t=hw;break;default:o("WebGPUPipelineUtils: Blend equation not supported.",e)}return t}_getPrimitiveState(e,t,r){const s={},i=this.backend.utils;s.topology=i.getPrimitiveTopology(e,r),null!==t.index&&!0===e.isLine&&!0!==e.isLineSegments&&(s.stripIndexFormat=t.index.array instanceof Uint16Array?sE:iE);let n=r.side===M;return e.isMesh&&e.matrixWorld.determinant()<0&&(n=!n),s.frontFace=!0===n?eE:JR,s.cullMode=r.side===B?tE:rE,s}_getColorWriteMask(e){return!0===e.colorWrite?gw:pw}_getDepthCompare(e){let t;if(!1===e.depthTest)t=this.backend.parameters.reversedDepthBuffer?zR:KR;else{const r=this.backend.parameters.reversedDepthBuffer?er[e.depthFunc]:e.depthFunc;switch(r){case Jt:t=zR;break;case Zt:t=KR;break;case Qt:t=$R;break;case Yt:t=HR;break;case Kt:t=WR;break;case Xt:t=XR;break;case jt:t=qR;break;case qt:t=jR;break;default:o("WebGPUPipelineUtils: Invalid depth function.",r)}}return t}}class RC extends PR{constructor(e,t,r=2048){super(r),this.device=e,this.type=t,this.querySet=this.device.createQuerySet({type:"timestamp",count:this.maxQueries,label:`queryset_global_timestamp_${t}`});const s=8*this.maxQueries;this.resolveBuffer=this.device.createBuffer({label:`buffer_timestamp_resolve_${t}`,size:s,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),this.resultBuffer=this.device.createBuffer({label:`buffer_timestamp_result_${t}`,size:s,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ})}allocateQueriesForContext(e){if(!this.trackTimestamp||this.isDisposed)return null;if(this.currentQueryIndex+2>this.maxQueries)return v(`WebGPUTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryOffsets.set(e,t),t}async resolveQueriesAsync(){if(!this.trackTimestamp||0===this.currentQueryIndex||this.isDisposed)return this.lastValue;if(this.pendingResolve)return this.pendingResolve;this.pendingResolve=this._resolveQueries();try{return await this.pendingResolve}finally{this.pendingResolve=null}}async _resolveQueries(){if(this.isDisposed)return this.lastValue;try{if("unmapped"!==this.resultBuffer.mapState)return this.lastValue;const e=new Map(this.queryOffsets),t=this.currentQueryIndex,r=8*t;this.currentQueryIndex=0,this.queryOffsets.clear();const s=this.device.createCommandEncoder();s.resolveQuerySet(this.querySet,0,t,this.resolveBuffer,0),s.copyBufferToBuffer(this.resolveBuffer,0,this.resultBuffer,0,r);const i=s.finish();if(this.device.queue.submit([i]),"unmapped"!==this.resultBuffer.mapState)return this.lastValue;if(await this.resultBuffer.mapAsync(GPUMapMode.READ,0,r),this.isDisposed)return"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue;const n=new BigUint64Array(this.resultBuffer.getMappedRange(0,r)),a={},o=[];for(const[t,r]of e){const e=t.match(/^(.*):f(\d+)$/),s=parseInt(e[2]);!1===o.includes(s)&&o.push(s),void 0===a[s]&&(a[s]=0);const i=n[r],u=n[r+1],l=Number(u-i)/1e6;this.timestamps.set(t,l),a[s]+=l}const u=a[o[o.length-1]];return this.resultBuffer.unmap(),this.lastValue=u,this.frames=o,u}catch(e){return o("Error resolving queries:",e),"mapped"===this.resultBuffer.mapState&&this.resultBuffer.unmap(),this.lastValue}}async dispose(){if(!this.isDisposed){if(this.isDisposed=!0,this.pendingResolve)try{await this.pendingResolve}catch(e){o("Error waiting for pending resolve:",e)}if(this.resultBuffer&&"mapped"===this.resultBuffer.mapState)try{this.resultBuffer.unmap()}catch(e){o("Error unmapping buffer:",e)}this.querySet&&(this.querySet.destroy(),this.querySet=null),this.resolveBuffer&&(this.resolveBuffer.destroy(),this.resolveBuffer=null),this.resultBuffer&&(this.resultBuffer.destroy(),this.resultBuffer=null),this.queryOffsets.clear(),this.pendingResolve=null}}}class EC extends fR{constructor(e={}){super(e),this.isWebGPUBackend=!0,this.parameters.alpha=void 0===e.alpha||e.alpha,this.parameters.requiredLimits=void 0===e.requiredLimits?{}:e.requiredLimits,this.compatibilityMode=null,this.device=null,this.defaultRenderPassdescriptor=null,this.utils=new yC(this),this.attributeUtils=new _C(this),this.bindingUtils=new NC(this),this.pipelineUtils=new SC(this),this.textureUtils=new Jw(this),this.occludedResolveCache=new Map;const t="undefined"==typeof navigator||!1===/Android/.test(navigator.userAgent);this._compatibility={[E.TEXTURE_COMPARE]:t}}async init(e){await super.init(e);const t=this.parameters;let r;if(void 0===t.device){const e={powerPreference:t.powerPreference,featureLevel:"compatibility"},s="undefined"!=typeof navigator?await navigator.gpu.requestAdapter(e):null;if(null===s)throw new Error("WebGPUBackend: Unable to create WebGPU adapter.");const i=Object.values(Ww),n=[];for(const e of i)s.features.has(e)&&n.push(e);const a={requiredFeatures:n,requiredLimits:t.requiredLimits};r=await s.requestDevice(a)}else r=t.device;this.compatibilityMode=!r.features.has("core-features-and-limits"),this.compatibilityMode&&(e._samples=0),r.lost.then(t=>{if("destroyed"===t.reason)return;const r={api:"WebGPU",message:t.message||"Unknown reason",reason:t.reason||null,originalEvent:t};e.onDeviceLost(r)}),this.device=r,this.trackTimestamp=this.trackTimestamp&&this.hasFeature(Ww.TimestampQuery),this.updateSize()}get context(){const e=this.renderer.getCanvasTarget(),t=this.get(e);let r=t.context;if(void 0===r){const s=this.parameters;r=!0===e.isDefaultCanvasTarget&&void 0!==s.context?s.context:e.domElement.getContext("webgpu"),"setAttribute"in e.domElement&&e.domElement.setAttribute("data-engine",`three.js r${ot} webgpu`);const i=s.alpha?"premultiplied":"opaque",n=s.outputType===be?"extended":"standard";r.configure({device:this.device,format:this.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC,alphaMode:i,toneMapping:{mode:n}}),t.context=r}return r}get coordinateSystem(){return h}async getArrayBufferAsync(e){return await this.attributeUtils.getArrayBufferAsync(e)}getContext(){return this.context}_getDefaultRenderPassDescriptor(){const e=this.renderer,t=e.getCanvasTarget(),r=this.get(t),s=e.currentSamples;let i=r.descriptor;if(void 0===i||r.samples!==s){i={colorAttachments:[{view:null}]},!0!==e.depth&&!0!==e.stencil||(i.depthStencilAttachment={view:this.textureUtils.getDepthBuffer(e.depth,e.stencil).createView()});const t=i.colorAttachments[0];s>0?t.view=this.textureUtils.getColorBuffer().createView():t.resolveTarget=void 0,r.descriptor=i,r.samples=s}const n=i.colorAttachments[0];return s>0?n.resolveTarget=this.context.getCurrentTexture().createView():n.view=this.context.getCurrentTexture().createView(),i}_isRenderCameraDepthArray(e){return e.depthTexture&&e.depthTexture.image.depth>1&&e.camera.isArrayCamera}_getRenderPassDescriptor(e,t={}){const r=e.renderTarget,s=this.get(r);let i=s.descriptors;void 0!==i&&s.width===r.width&&s.height===r.height&&s.samples===r.samples||(i={},s.descriptors=i);const n=e.getCacheKey();let a=i[n];if(void 0===a){const t=e.textures,o=[];let u;const l=this._isRenderCameraDepthArray(e);for(let s=0;s<t.length;s++){const i=this.get(t[s]),n={label:`colorAttachment_${s}`,baseMipLevel:e.activeMipmapLevel,mipLevelCount:1,baseArrayLayer:e.activeCubeFace,arrayLayerCount:1,dimension:Iw};if(r.isRenderTarget3D)u=e.activeCubeFace,n.baseArrayLayer=0,n.dimension=kw,n.depthOrArrayLayers=t[s].image.depth;else if(r.isRenderTarget&&t[s].image.depth>1)if(!0===l){const t=e.camera.cameras;for(let e=0;e<t.length;e++){const t={...n,baseArrayLayer:e,arrayLayerCount:1,dimension:Iw},r=i.texture.createView(t);o.push({view:r,resolveTarget:void 0,depthSlice:void 0})}}else n.dimension=Ow,n.depthOrArrayLayers=t[s].image.depth;if(!0!==l){const e=i.texture.createView(n);let t,r;void 0!==i.msaaTexture?(t=i.msaaTexture.createView(),r=e):(t=e,r=void 0),o.push({view:t,resolveTarget:r,depthSlice:u})}}if(a={textureViews:o},e.depth){const t=this.get(e.depthTexture),r={};(e.depthTexture.isArrayTexture||e.depthTexture.isCubeTexture)&&(r.dimension=Iw,r.arrayLayerCount=1,r.baseArrayLayer=e.activeCubeFace),a.depthStencilView=t.texture.createView(r)}i[n]=a,s.width=r.width,s.height=r.height,s.samples=r.samples,s.activeMipmapLevel=e.activeMipmapLevel,s.activeCubeFace=e.activeCubeFace}const o={colorAttachments:[]};for(let e=0;e<a.textureViews.length;e++){const r=a.textureViews[e];let s={r:0,g:0,b:0,a:1};0===e&&t.clearValue&&(s=t.clearValue),o.colorAttachments.push({view:r.view,depthSlice:r.depthSlice,resolveTarget:r.resolveTarget,loadOp:t.loadOp||QR,storeOp:t.storeOp||YR,clearValue:s})}return a.depthStencilView&&(o.depthStencilAttachment={view:a.depthStencilView}),o}beginRender(e){const t=this.get(e),r=this.device,s=e.occlusionQueryCount;let i,n;s>0&&(t.currentOcclusionQuerySet&&t.currentOcclusionQuerySet.destroy(),t.currentOcclusionQueryBuffer&&t.currentOcclusionQueryBuffer.destroy(),t.currentOcclusionQuerySet=t.occlusionQuerySet,t.currentOcclusionQueryBuffer=t.occlusionQueryBuffer,t.currentOcclusionQueryObjects=t.occlusionQueryObjects,i=r.createQuerySet({type:"occlusion",count:s,label:`occlusionQuerySet_${e.id}`}),t.occlusionQuerySet=i,t.occlusionQueryIndex=0,t.occlusionQueryObjects=new Array(s),t.lastOcclusionObject=null),n=null===e.textures?this._getDefaultRenderPassDescriptor():this._getRenderPassDescriptor(e,{loadOp:QR}),this.initTimestampQuery(wt.RENDER,this.getTimestampUID(e),n),n.occlusionQuerySet=i;const a=n.depthStencilAttachment;if(null!==e.textures){const t=n.colorAttachments;for(let r=0;r<t.length;r++){const s=t[r];e.clearColor?(s.clearValue=0===r?e.clearColorValue:{r:0,g:0,b:0,a:1},s.loadOp=ZR):s.loadOp=QR,s.storeOp=YR}}else{const t=n.colorAttachments[0];e.clearColor?(t.clearValue=e.clearColorValue,t.loadOp=ZR):t.loadOp=QR,t.storeOp=YR}e.depth&&(e.clearDepth?(a.depthClearValue=e.clearDepthValue,a.depthLoadOp=ZR):a.depthLoadOp=QR,a.depthStoreOp=YR),e.stencil&&(e.clearStencil?(a.stencilClearValue=e.clearStencilValue,a.stencilLoadOp=ZR):a.stencilLoadOp=QR,a.stencilStoreOp=YR);const o=r.createCommandEncoder({label:"renderContext_"+e.id});if(!0===this._isRenderCameraDepthArray(e)){const r=e.camera.cameras;t.layerDescriptors&&t.layerDescriptors.length===r.length?this._updateDepthLayerDescriptors(e,t,r):this._createDepthLayerDescriptors(e,t,n,r),t.bundleEncoders=[],t.bundleSets=[];for(let s=0;s<r.length;s++){const r=this.pipelineUtils.createBundleEncoder(e,"renderBundleArrayCamera_"+s),i={attributes:{},bindingGroups:[],pipeline:null,index:null};t.bundleEncoders.push(r),t.bundleSets.push(i)}t.currentPass=null}else{const r=o.beginRenderPass(n);t.currentPass=r,e.viewport&&this.updateViewport(e),e.scissor&&this.updateScissor(e)}t.descriptor=n,t.encoder=o,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.renderBundles=[]}_createDepthLayerDescriptors(e,t,r,s){const i=r.depthStencilAttachment;t.layerDescriptors=[];const n=this.get(e.depthTexture);n.viewCache||(n.viewCache=[]);for(let a=0;a<s.length;a++){const s={...r,colorAttachments:[{...r.colorAttachments[0],view:r.colorAttachments[a].view}]};if(r.depthStencilAttachment){const t=a;n.viewCache[t]||(n.viewCache[t]=n.texture.createView({dimension:Iw,baseArrayLayer:a,arrayLayerCount:1})),s.depthStencilAttachment={view:n.viewCache[t],depthLoadOp:i.depthLoadOp||ZR,depthStoreOp:i.depthStoreOp||YR,depthClearValue:i.depthClearValue||1},e.stencil&&(s.depthStencilAttachment.stencilLoadOp=i.stencilLoadOp,s.depthStencilAttachment.stencilStoreOp=i.stencilStoreOp,s.depthStencilAttachment.stencilClearValue=i.stencilClearValue)}else s.depthStencilAttachment={...i};t.layerDescriptors.push(s)}}_updateDepthLayerDescriptors(e,t,r){for(let s=0;s<r.length;s++){const r=t.layerDescriptors[s];if(r.depthStencilAttachment){const t=r.depthStencilAttachment;e.depth&&(e.clearDepth?(t.depthClearValue=e.clearDepthValue,t.depthLoadOp=ZR):t.depthLoadOp=QR),e.stencil&&(e.clearStencil?(t.stencilClearValue=e.clearStencilValue,t.stencilLoadOp=ZR):t.stencilLoadOp=QR)}}}finishRender(e){const t=this.get(e),r=e.occlusionQueryCount;t.renderBundles.length>0&&t.currentPass.executeBundles(t.renderBundles),r>t.occlusionQueryIndex&&t.currentPass.endOcclusionQuery();const s=t.encoder;if(!0===this._isRenderCameraDepthArray(e)){const r=[];for(let e=0;e<t.bundleEncoders.length;e++){const s=t.bundleEncoders[e];r.push(s.finish())}for(let i=0;i<t.layerDescriptors.length;i++)if(i<r.length){const n=t.layerDescriptors[i],a=s.beginRenderPass(n);if(e.viewport){const{x:t,y:r,width:s,height:i,minDepth:n,maxDepth:o}=e.viewportValue;a.setViewport(t,r,s,i,n,o)}if(e.scissor){const{x:t,y:r,width:s,height:i}=e.scissorValue;a.setScissorRect(t,r,s,i)}a.executeBundles([r[i]]),a.end()}}else t.currentPass&&t.currentPass.end();if(r>0){const s=8*r;let i=this.occludedResolveCache.get(s);void 0===i&&(i=this.device.createBuffer({size:s,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),this.occludedResolveCache.set(s,i));const n=this.device.createBuffer({size:s,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ});t.encoder.resolveQuerySet(t.occlusionQuerySet,0,r,i,0),t.encoder.copyBufferToBuffer(i,0,n,0,s),t.occlusionQueryBuffer=n,this.resolveOccludedAsync(e)}if(this.device.queue.submit([t.encoder.finish()]),null!==e.textures){const t=e.textures;for(let e=0;e<t.length;e++){const r=t[e];!0===r.generateMipmaps&&this.textureUtils.generateMipmaps(r)}}}isOccluded(e,t){const r=this.get(e);return r.occluded&&r.occluded.has(t)}async resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueryBuffer:r,currentOcclusionQueryObjects:s}=t;if(r&&s){const e=new WeakSet;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueryBuffer=null,await r.mapAsync(GPUMapMode.READ);const i=r.getMappedRange(),n=new BigUint64Array(i);for(let t=0;t<s.length;t++)n[t]===BigInt(0)&&e.add(s[t]);r.destroy(),t.occluded=e}}updateViewport(e){const{currentPass:t}=this.get(e),{x:r,y:s,width:i,height:n,minDepth:a,maxDepth:o}=e.viewportValue;t.setViewport(r,s,i,n,a,o)}updateScissor(e){const{currentPass:t}=this.get(e),{x:r,y:s,width:i,height:n}=e.scissorValue;t.setScissorRect(r,s,i,n)}getClearColor(){const e=super.getClearColor();return!0===this.renderer.alpha&&(e.r*=e.a,e.g*=e.a,e.b*=e.a),e}clear(e,t,r,s=null){const i=this.device,n=this.renderer;let a,o,u,l,d=[];if(e){const e=this.getClearColor();o={r:e.r,g:e.g,b:e.b,a:e.a}}if(null===s){u=n.depth,l=n.stencil;const t=this._getDefaultRenderPassDescriptor();if(e){d=t.colorAttachments;const e=d[0];e.clearValue=o,e.loadOp=ZR,e.storeOp=YR}(u||l)&&(a=t.depthStencilAttachment)}else{u=s.depth,l=s.stencil;const i={loadOp:e?ZR:QR,clearValue:e?o:void 0};u&&(i.depthLoadOp=t?ZR:QR,i.depthClearValue=t?n.getClearDepth():void 0,i.depthStoreOp=YR),l&&(i.stencilLoadOp=r?ZR:QR,i.stencilClearValue=r?n.getClearStencil():void 0,i.stencilStoreOp=YR);const c=this._getRenderPassDescriptor(s,i);d=c.colorAttachments,a=c.depthStencilAttachment}u&&a&&(t?(a.depthLoadOp=ZR,a.depthClearValue=n.getClearDepth(),a.depthStoreOp=YR):(a.depthLoadOp=QR,a.depthStoreOp=YR)),l&&a&&(r?(a.stencilLoadOp=ZR,a.stencilClearValue=n.getClearStencil(),a.stencilStoreOp=YR):(a.stencilLoadOp=QR,a.stencilStoreOp=YR));const c=i.createCommandEncoder({label:"clear"});c.beginRenderPass({colorAttachments:d,depthStencilAttachment:a}).end(),i.queue.submit([c.finish()])}beginCompute(e){const t=this.get(e),r={label:"computeGroup_"+e.id};this.initTimestampQuery(wt.COMPUTE,this.getTimestampUID(e),r),t.cmdEncoderGPU=this.device.createCommandEncoder({label:"computeGroup_"+e.id}),t.passEncoderGPU=t.cmdEncoderGPU.beginComputePass(r)}compute(e,t,r,s,i=null){const n=this.get(t),{passEncoderGPU:a}=this.get(e),o=this.get(s).pipeline;this.pipelineUtils.setPipeline(a,o);for(let e=0,t=r.length;e<t;e++){const t=r[e],s=this.get(t);a.setBindGroup(e,s.group)}if(null===i&&(i=t.count),i&&"object"==typeof i&&i.isIndirectStorageBufferAttribute){const e=this.get(i).buffer;return void a.dispatchWorkgroupsIndirect(e,0)}if("number"==typeof i){const e=i;if(void 0===n.dispatchSize||n.count!==e){n.dispatchSize=[0,1,1],n.count=e;const r=t.workgroupSize;let s=r[0];for(let e=1;e<r.length;e++)s*=r[e];const a=Math.ceil(e/s),o=this.device.limits.maxComputeWorkgroupsPerDimension;i=[a,1,1],a>o&&(i[0]=Math.min(a,o),i[1]=Math.ceil(a/o)),n.dispatchSize=i}i=n.dispatchSize}a.dispatchWorkgroups(i[0],i[1]||1,i[2]||1)}finishCompute(e){const t=this.get(e);t.passEncoderGPU.end(),this.device.queue.submit([t.cmdEncoderGPU.finish()])}draw(e,t){const{object:r,material:s,context:i,pipeline:n}=e,a=e.getBindings(),o=this.get(i),u=this.get(n),l=u.pipeline;if(!0===u.error)return;const d=e.getIndex(),c=null!==d,h=e.getDrawParameters();if(null===h)return;const p=(t,r)=>{this.pipelineUtils.setPipeline(t,l),r.pipeline=l;const n=r.bindingGroups;for(let e=0,r=a.length;e<r;e++){const r=a[e],s=this.get(r);n[r.index]!==r.id&&(t.setBindGroup(r.index,s.group),n[r.index]=r.id)}if(!0===c&&r.index!==d){const e=this.get(d).buffer,s=d.array instanceof Uint16Array?sE:iE;t.setIndexBuffer(e,s),r.index=d}const u=e.getVertexBuffers();for(let e=0,s=u.length;e<s;e++){const s=u[e];if(r.attributes[e]!==s){const i=this.get(s).buffer;t.setVertexBuffer(e,i),r.attributes[e]=s}}!0===i.stencil&&!0===s.stencilWrite&&o.currentStencilRef!==s.stencilRef&&(t.setStencilReference(s.stencilRef),o.currentStencilRef=s.stencilRef)},g=(i,n)=>{if(p(i,n),!0===r.isBatchedMesh){const e=r._multiDrawStarts,n=r._multiDrawCounts,a=r._multiDrawCount,o=r._multiDrawInstances;null!==o&&v("WebGPUBackend: renderMultiDrawInstances has been deprecated and will be removed in r184. Append to renderMultiDraw arguments and use indirection.");let u=!0===c?d.array.BYTES_PER_ELEMENT:1;s.wireframe&&(u=r.geometry.attributes.position.count>65535?4:2);for(let s=0;s<a;s++){const a=o?o[s]:1,l=a>1?0:s;!0===c?i.drawIndexed(n[s],a,e[s]/u,0,l):i.draw(n[s],a,e[s],l),t.update(r,n[s],a)}}else if(!0===c){const{vertexCount:s,instanceCount:n,firstVertex:a}=h,o=e.getIndirect();if(null!==o){const t=this.get(o).buffer,r=e.getIndirectOffset(),s=Array.isArray(r)?r:[r];for(let e=0;e<s.length;e++)i.drawIndexedIndirect(t,s[e])}else i.drawIndexed(s,n,a,0,0);t.update(r,s,n)}else{const{vertexCount:s,instanceCount:n,firstVertex:a}=h,o=e.getIndirect();if(null!==o){const t=this.get(o).buffer,r=e.getIndirectOffset(),s=Array.isArray(r)?r:[r];for(let e=0;e<s.length;e++)i.drawIndirect(t,s[e])}else i.draw(s,n,a,0);t.update(r,s,n)}};if(e.camera.isArrayCamera&&e.camera.cameras.length>0){const t=this.get(e.camera),s=e.camera.cameras,n=e.getBindingGroup("cameraIndex");if(void 0===t.indexesGPU||t.indexesGPU.length!==s.length){const e=this.get(n),r=[],i=new Uint32Array([0,0,0,0]);for(let t=0,n=s.length;t<n;t++){i[0]=t;const{layoutGPU:s}=e.layout,n=this.bindingUtils.createBindGroupIndex(i,s);r.push(n)}t.indexesGPU=r}const a=this.renderer.getPixelRatio();for(let e=0,u=s.length;e<u;e++){const u=s[e];if(r.layers.test(u.layers)){const r=u.viewport;let s=o.currentPass,l=o.currentSets;if(o.bundleEncoders){s=o.bundleEncoders[e],l=o.bundleSets[e]}r&&s.setViewport(Math.floor(r.x*a),Math.floor(r.y*a),Math.floor(r.width*a),Math.floor(r.height*a),i.viewportValue.minDepth,i.viewportValue.maxDepth),n&&t.indexesGPU&&(s.setBindGroup(n.index,t.indexesGPU[e]),l.bindingGroups[n.index]=n.id),g(s,l)}}}else if(o.currentPass){if(void 0!==o.occlusionQuerySet){const e=o.lastOcclusionObject;e!==r&&(null!==e&&!0===e.occlusionTest&&(o.currentPass.endOcclusionQuery(),o.occlusionQueryIndex++),!0===r.occlusionTest&&(o.currentPass.beginOcclusionQuery(o.occlusionQueryIndex),o.occlusionQueryObjects[o.occlusionQueryIndex]=r),o.lastOcclusionObject=r)}g(o.currentPass,o.currentSets)}}needsRenderUpdate(e){const t=this.get(e),{object:r,material:s}=e,i=this.utils,n=i.getSampleCountRenderContext(e.context),a=i.getCurrentColorSpace(e.context),o=i.getCurrentColorFormat(e.context),u=i.getCurrentDepthStencilFormat(e.context),l=i.getPrimitiveTopology(r,s);let d=!1;return t.material===s&&t.materialVersion===s.version&&t.transparent===s.transparent&&t.blending===s.blending&&t.premultipliedAlpha===s.premultipliedAlpha&&t.blendSrc===s.blendSrc&&t.blendDst===s.blendDst&&t.blendEquation===s.blendEquation&&t.blendSrcAlpha===s.blendSrcAlpha&&t.blendDstAlpha===s.blendDstAlpha&&t.blendEquationAlpha===s.blendEquationAlpha&&t.colorWrite===s.colorWrite&&t.depthWrite===s.depthWrite&&t.depthTest===s.depthTest&&t.depthFunc===s.depthFunc&&t.stencilWrite===s.stencilWrite&&t.stencilFunc===s.stencilFunc&&t.stencilFail===s.stencilFail&&t.stencilZFail===s.stencilZFail&&t.stencilZPass===s.stencilZPass&&t.stencilFuncMask===s.stencilFuncMask&&t.stencilWriteMask===s.stencilWriteMask&&t.side===s.side&&t.alphaToCoverage===s.alphaToCoverage&&t.sampleCount===n&&t.colorSpace===a&&t.colorFormat===o&&t.depthStencilFormat===u&&t.primitiveTopology===l&&t.clippingContextCacheKey===e.clippingContextCacheKey||(t.material=s,t.materialVersion=s.version,t.transparent=s.transparent,t.blending=s.blending,t.premultipliedAlpha=s.premultipliedAlpha,t.blendSrc=s.blendSrc,t.blendDst=s.blendDst,t.blendEquation=s.blendEquation,t.blendSrcAlpha=s.blendSrcAlpha,t.blendDstAlpha=s.blendDstAlpha,t.blendEquationAlpha=s.blendEquationAlpha,t.colorWrite=s.colorWrite,t.depthWrite=s.depthWrite,t.depthTest=s.depthTest,t.depthFunc=s.depthFunc,t.stencilWrite=s.stencilWrite,t.stencilFunc=s.stencilFunc,t.stencilFail=s.stencilFail,t.stencilZFail=s.stencilZFail,t.stencilZPass=s.stencilZPass,t.stencilFuncMask=s.stencilFuncMask,t.stencilWriteMask=s.stencilWriteMask,t.side=s.side,t.alphaToCoverage=s.alphaToCoverage,t.sampleCount=n,t.colorSpace=a,t.colorFormat=o,t.depthStencilFormat=u,t.primitiveTopology=l,t.clippingContextCacheKey=e.clippingContextCacheKey,d=!0),d}getRenderCacheKey(e){const{object:t,material:r}=e,s=this.utils,i=e.context,n=t.isMesh&&t.matrixWorld.determinant()<0;return[r.transparent,r.blending,r.premultipliedAlpha,r.blendSrc,r.blendDst,r.blendEquation,r.blendSrcAlpha,r.blendDstAlpha,r.blendEquationAlpha,r.colorWrite,r.depthWrite,r.depthTest,r.depthFunc,r.stencilWrite,r.stencilFunc,r.stencilFail,r.stencilZFail,r.stencilZPass,r.stencilFuncMask,r.stencilWriteMask,r.side,n,s.getSampleCountRenderContext(i),s.getCurrentColorSpace(i),s.getCurrentColorFormat(i),s.getCurrentDepthStencilFormat(i),s.getPrimitiveTopology(t,r),e.getGeometryCacheKey(),e.clippingContextCacheKey].join()}updateSampler(e){return this.textureUtils.updateSampler(e)}createDefaultTexture(e){return this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e,t=!1){this.textureUtils.destroyTexture(e,t)}async copyTextureToBuffer(e,t,r,s,i,n){return this.textureUtils.copyTextureToBuffer(e,t,r,s,i,n)}initTimestampQuery(e,t,r){if(!this.trackTimestamp)return;this.timestampQueryPool[e]||(this.timestampQueryPool[e]=new RC(this.device,e,2048));const s=this.timestampQueryPool[e],i=s.allocateQueriesForContext(t);r.timestampWrites={querySet:s.querySet,beginningOfPassWriteIndex:i,endOfPassWriteIndex:i+1}}createNodeBuilder(e,t){return new fC(e,t)}createProgram(e){this.get(e).module={module:this.device.createShaderModule({code:e.code,label:e.stage+(""!==e.name?`_${e.name}`:"")}),entryPoint:"main"}}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){this.pipelineUtils.createRenderPipeline(e,t)}createComputePipeline(e,t){this.pipelineUtils.createComputePipeline(e,t)}beginBundle(e){const t=this.get(e);t._currentPass=t.currentPass,t._currentSets=t.currentSets,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.currentPass=this.pipelineUtils.createBundleEncoder(e)}finishBundle(e,t){const r=this.get(e),s=r.currentPass.finish();this.get(t).bundleGPU=s,r.currentSets=r._currentSets,r.currentPass=r._currentPass}addBundle(e,t){this.get(e).renderBundles.push(this.get(t).bundleGPU)}createBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBindings(e,t,r,s){this.bindingUtils.createBindings(e,t,r,s)}updateBinding(e){this.bindingUtils.updateBinding(e)}deleteBindGroupData(e){this.bindingUtils.deleteBindGroupData(e)}createIndexAttribute(e){let t=GPUBufferUsage.INDEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST;(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(t|=GPUBufferUsage.STORAGE),this.attributeUtils.createAttribute(e,t)}createAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createIndirectStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.INDIRECT|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}updateSize(){this.delete(this.renderer.getCanvasTarget())}getMaxAnisotropy(){return 16}hasFeature(e){return void 0!==Hw[e]&&(e=Hw[e]),this.device.features.has(e)}copyTextureToTexture(e,t,r=null,s=null,i=0,n=0){let a=0,o=0,u=0,l=0,d=0,c=0,h=e.image.width,p=e.image.height,g=1;null!==r&&(!0===r.isBox3?(l=r.min.x,d=r.min.y,c=r.min.z,h=r.max.x-r.min.x,p=r.max.y-r.min.y,g=r.max.z-r.min.z):(l=r.min.x,d=r.min.y,h=r.max.x-r.min.x,p=r.max.y-r.min.y,g=1)),null!==s&&(a=s.x,o=s.y,u=s.z||0);const m=this.device.createCommandEncoder({label:"copyTextureToTexture_"+e.id+"_"+t.id}),f=this.get(e).texture,y=this.get(t).texture;m.copyTextureToTexture({texture:f,mipLevel:i,origin:{x:l,y:d,z:c}},{texture:y,mipLevel:n,origin:{x:a,y:o,z:u}},[h,p,g]),this.device.queue.submit([m.finish()]),0===n&&t.generateMipmaps&&this.textureUtils.generateMipmaps(t)}copyFramebufferToTexture(e,t,r){const s=this.get(t);let i=null;i=t.renderTarget?e.isDepthTexture?this.get(t.depthTexture).texture:this.get(t.textures[0]).texture:e.isDepthTexture?this.textureUtils.getDepthBuffer(t.depth,t.stencil):this.context.getCurrentTexture();const n=this.get(e).texture;if(i.format!==n.format)return void o("WebGPUBackend: copyFramebufferToTexture: Source and destination formats do not match.",i.format,n.format);let a;if(s.currentPass?(s.currentPass.end(),a=s.encoder):a=this.device.createCommandEncoder({label:"copyFramebufferToTexture_"+e.id}),a.copyTextureToTexture({texture:i,origin:[r.x,r.y,0]},{texture:n},[r.z,r.w]),e.generateMipmaps&&this.textureUtils.generateMipmaps(e,a),s.currentPass){const{descriptor:e}=s;for(let t=0;t<e.colorAttachments.length;t++)e.colorAttachments[t].loadOp=QR;t.depth&&(e.depthStencilAttachment.depthLoadOp=QR),t.stencil&&(e.depthStencilAttachment.stencilLoadOp=QR),s.currentPass=a.beginRenderPass(e),s.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.viewport&&this.updateViewport(t),t.scissor&&this.updateScissor(t)}else this.device.queue.submit([a.finish()])}hasCompatibility(e){return void 0!==this._compatibility[E.TEXTURE_COMPARE]?this._compatibility[E.TEXTURE_COMPARE]:super.hasCompatibility(e)}dispose(){if(this.bindingUtils.dispose(),this.textureUtils.dispose(),this.occludedResolveCache){for(const e of this.occludedResolveCache.values())e.destroy();this.occludedResolveCache.clear()}if(this.timestampQueryPool)for(const e of Object.values(this.timestampQueryPool))null!==e&&e.dispose();void 0===this.parameters.device&&null!==this.device&&this.device.destroy()}}class AC extends ps{constructor(e,t,r,s,i,n){super(e,t,r,s,i,n),this.iesMap=null}copy(e,t){return super.copy(e,t),this.iesMap=e.iesMap,this}}class wC extends ps{constructor(e,t,r,s,i,n){super(e,t,r,s,i,n),this.aspect=null}copy(e,t){return super.copy(e,t),this.aspect=e.aspect,this}}class CC extends vS{constructor(){super(),this.addLight(hv,gs),this.addLight(KN,ms),this.addLight(nS,fs),this.addLight(QN,ps),this.addLight(XN,ys),this.addLight(YN,bs),this.addLight(JN,xs),this.addLight(ZN,AC),this.addLight(tS,wC),this.addToneMapping(tT,Ts),this.addToneMapping(rT,_s),this.addToneMapping(sT,vs),this.addToneMapping(nT,Ns),this.addToneMapping(lT,Ss),this.addToneMapping(dT,Rs)}}class MC extends HS{constructor(e={}){let t;e.forceWebGL?t=UR:(t=EC,e.getFallback=()=>(d("WebGPURenderer: WebGPU is not available, running under WebGL2 backend."),new UR(e)));super(new t(e),e),this.library=new CC,this.isWebGPURenderer=!0}}class BC extends Es{constructor(){super(),this.isBundleGroup=!0,this.type="BundleGroup",this.static=!0,this.version=0}set needsUpdate(e){!0===e&&this.version++}}class FC{constructor(e,t=An(0,0,1,1)){this.renderer=e,this.outputNode=t,this.outputColorTransform=!0,this.needsUpdate=!0;const r=new mg;r.name="RenderPipeline",this._quadMesh=new ux(r),this._quadMesh.name="Render Pipeline",this._context=null}render(){const e=this.renderer;this._update(),null!==this._context.onBeforeRenderPipeline&&this._context.onBeforeRenderPipeline();const t=e.toneMapping,r=e.outputColorSpace;e.toneMapping=m,e.outputColorSpace=p.workingColorSpace;const s=e.xr.enabled;e.xr.enabled=!1,this._quadMesh.render(e),e.xr.enabled=s,e.toneMapping=t,e.outputColorSpace=r,null!==this._context.onAfterRenderPipeline&&this._context.onAfterRenderPipeline()}get context(){return this._context}dispose(){this._quadMesh.material.dispose()}_update(){if(!0===this.needsUpdate){const e=this.renderer,t=e.toneMapping,r=e.outputColorSpace,s={renderPipeline:this,onBeforeRenderPipeline:null,onAfterRenderPipeline:null};let i=this.outputNode;!0===this.outputColorTransform?(i=i.context(s),i=bl(i,t,r)):(s.toneMapping=t,s.outputColorSpace=r,i=i.context(s)),this._context=s,this._quadMesh.material.fragmentNode=i,this._quadMesh.material.needsUpdate=!0,this.needsUpdate=!1}}async renderAsync(){v('RenderPipeline: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await this.renderer.init(),this.render()}}class LC extends FC{constructor(e,t){v('PostProcessing: "PostProcessing" has been renamed to "RenderPipeline". Please update your code to use "THREE.RenderPipeline" instead.'),super(e,t)}}class PC extends N{constructor(e=1,t=1){super(),this.image={width:e,height:t},this.magFilter=oe,this.minFilter=oe,this.isStorageTexture=!0,this.mipmapsAutoUpdate=!0}setSize(e,t){this.image.width===e&&this.image.height===t||(this.image.width=e,this.image.height=t,this.dispose())}}class DC extends _x{constructor(e,t){super(e,t,Uint32Array),this.isIndirectStorageBufferAttribute=!0}}class UC extends As{constructor(e){super(e),this.textures={},this.nodes={}}load(e,t,r,s){const i=new ws(this.manager);i.setPath(this.path),i.setRequestHeader(this.requestHeader),i.setWithCredentials(this.withCredentials),i.load(e,r=>{try{t(this.parse(JSON.parse(r)))}catch(t){s?s(t):o(t),this.manager.itemError(e)}},r,s)}parseNodes(e){const t={};if(void 0!==e){for(const r of e){const{uuid:e,type:s}=r;t[e]=this.createNodeFromType(s),t[e].uuid=e}const r={nodes:t,textures:this.textures};for(const s of e){s.meta=r;t[s.uuid].deserialize(s),delete s.meta}}return t}parse(e){const t=this.createNodeFromType(e.type);t.uuid=e.uuid;const r={nodes:this.parseNodes(e.nodes),textures:this.textures};return e.meta=r,t.deserialize(e),delete e.meta,t}setTextures(e){return this.textures=e,this}setNodes(e){return this.nodes=e,this}createNodeFromType(e){return void 0===this.nodes[e]?(o("NodeLoader: Node type not found:",e),mn()):new this.nodes[e]}}class IC extends Cs{constructor(e){super(e),this.nodes={},this.nodeMaterials={}}parse(e){const t=super.parse(e),r=this.nodes,s=e.inputNodes;for(const e in s){const i=s[e];t[e]=r[i]}return t}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}createMaterialFromType(e){const t=this.nodeMaterials[e];return void 0!==t?new t:super.createMaterialFromType(e)}}class OC extends Ms{constructor(e){super(e),this.nodes={},this.nodeMaterials={},this._nodesJSON=null}setNodes(e){return this.nodes=e,this}setNodeMaterials(e){return this.nodeMaterials=e,this}parse(e,t){this._nodesJSON=e.nodes;const r=super.parse(e,t);return this._nodesJSON=null,r}parseNodes(e,t){if(void 0!==e){const r=new UC;return r.setNodes(this.nodes),r.setTextures(t),r.parseNodes(e)}return{}}parseMaterials(e,t){const r={};if(void 0!==e){const s=this.parseNodes(this._nodesJSON,t),i=new IC;i.setTextures(t),i.setNodes(s),i.setNodeMaterials(this.nodeMaterials);for(let t=0,s=e.length;t<s;t++){const s=e[t];r[s.uuid]=i.parse(s)}}return r}}class VC extends Es{constructor(){super(),this.isClippingGroup=!0,this.clippingPlanes=[],this.enabled=!0,this.clipIntersection=!1,this.clipShadows=!1}}export{Ns as ACESFilmicToneMapping,Lp as AONode,$e as AddEquation,ce as AddOperation,Ht as AdditiveBlending,Ss as AgXToneMapping,nr as AlphaFormat,Wr as AlwaysCompare,Zt as AlwaysDepth,ts as AlwaysStencilFunc,ys as AmbientLight,XN as AmbientLightNode,lv as AnalyticLightNode,ut as ArrayCamera,di as ArrayElementNode,Na as ArrayNode,Ra as AssignNode,DT as AtomicFunctionNode,Sl as AttributeNode,M as BackSide,BT as BarrierNode,Bg as BasicEnvironmentNode,Fg as BasicLightMapNode,tt as BasicShadowMap,xp as BatchNode,db as BitcastNode,gb as BitcountNode,ib as BlendMode,ie as BoxGeometry,Ee as BufferAttribute,Zu as BufferAttributeNode,Te as BufferGeometry,Il as BufferNode,zl as BuiltinNode,mh as BumpMapNode,BC as BundleGroup,ll as BypassNode,vt as ByteType,US as CanvasTarget,vs as CineonToneMapping,xe as ClampToEdgeWrapping,VC as ClippingGroup,rg as ClippingNode,cT as CodeNode,e as Color,p as ColorManagement,ku as ColorSpaceNode,E as Compatibility,ST as ComputeBuiltinNode,sl as ComputeNode,bu as ConditionalNode,Ti as ConstNode,Tu as ContextNode,ci as ConvertNode,ue as CubeCamera,rt as CubeDepthTexture,Ag as CubeMapNode,P as CubeReflectionMapping,D as CubeRefractionMapping,L as CubeTexture,wc as CubeTextureNode,Re as CubeUVReflectionMapping,Gt as CullFaceBack,zt as CullFaceFront,kt as CullFaceNone,ct as CustomBlending,pt as CylinderGeometry,q as DataArrayTexture,ye as DataTexture,xl as DebugNode,ns as DecrementStencilOp,ss as DecrementWrapStencilOp,Ie as DepthFormat,Ue as DepthStencilFormat,Y as DepthTexture,ms as DirectionalLight,KN as DirectionalLightNode,B as DoubleSide,Dt as DstAlphaFactor,Ut as DstColorFactor,x as DynamicDrawUsage,Df as EnvironmentNode,$r as EqualCompare,Kt as EqualDepth,Zr as EqualStencilFunc,le as EquirectangularReflectionMapping,de as EquirectangularRefractionMapping,F as Euler,u as EventDispatcher,bx as EventNode,gl as ExpressionNode,ws as FileLoader,yi as FlipNode,at as Float16BufferAttribute,Xe as Float32BufferAttribute,j as FloatType,X as FramebufferTexture,tc as FrontFacingNode,dt as FrontSide,bt as Frustum,yt as FrustumArray,Aa as FunctionCallNode,pT as FunctionNode,Bb as FunctionOverloadingNode,hS as GLSLNodeParser,zr as GreaterCompare,jt as GreaterDepth,Qe as GreaterEqualCompare,Xt as GreaterEqualDepth,Qr as GreaterEqualStencilFunc,Yr as GreaterStencilFunc,Es as Group,be as HalfFloatType,bs as HemisphereLight,YN as HemisphereLightNode,AC as IESSpotLight,ZN as IESSpotLightNode,as as IncrementStencilOp,is as IncrementWrapStencilOp,up as IndexNode,DC as IndirectStorageBufferAttribute,bi as InputNode,_l as InspectorBase,vl as InspectorNode,mp as InstanceNode,W as InstancedBufferAttribute,H as InstancedInterleavedBuffer,yp as InstancedMeshNode,R as IntType,b as InterleavedBuffer,y as InterleavedBufferAttribute,os as InvertStencilOp,Up as IrradianceNode,al as IsolateNode,pi as JoinNode,ds as KeepStencilOp,A as LessCompare,Qt as LessDepth,Ze as LessEqualCompare,Yt as LessEqualDepth,Jr as LessEqualStencilFunc,es as LessStencilFunc,xs as LightProbe,JN as LightProbeNode,RS as Lighting,Pp as LightingContextNode,Lg as LightingModel,Fp as LightingNode,__ as LightsNode,_g as Line2NodeMaterial,Z as LineBasicMaterial,yg as LineBasicNodeMaterial,J as LineDashedMaterial,xg as LineDashedNodeMaterial,oe as LinearFilter,je as LinearMipMapLinearFilter,K as LinearMipmapLinearFilter,it as LinearMipmapNearestFilter,Ne as LinearSRGBColorSpace,Ts as LinearToneMapping,qr as LinearTransfer,As as Loader,Sp as LoopNode,ub as MRTNode,Q as Material,We as MaterialBlending,Cs as MaterialLoader,bh as MaterialNode,Dc as MaterialReferenceNode,so as MathNode,l as MathUtils,i as Matrix2,n as Matrix3,a as Matrix4,cs as MaxEquation,Cl as MaxMipLevelNode,_i as MemberNode,ne as Mesh,ge as MeshBasicMaterial,Ug as MeshBasicNodeMaterial,me as MeshLambertMaterial,$g as MeshLambertNodeMaterial,Me as MeshMatcapMaterial,Yf as MeshMatcapNodeMaterial,te as MeshNormalMaterial,Ng as MeshNormalNodeMaterial,fe as MeshPhongMaterial,Hg as MeshPhongNodeMaterial,we as MeshPhysicalMaterial,Gf as MeshPhysicalNodeMaterial,$f as MeshSSSNodeMaterial,Ae as MeshStandardMaterial,Vf as MeshStandardNodeMaterial,Ce as MeshToonMaterial,jf as MeshToonNodeMaterial,hs as MinEquation,Or as MirroredRepeatWrapping,he as MixOperation,Pd as ModelNode,Mp as MorphNode,$t as MultiplyBlending,pe as MultiplyOperation,w as NearestFilter,nt as NearestMipmapLinearFilter,kr as NearestMipmapNearestFilter,Rs as NeutralToneMapping,Hr as NeverCompare,Jt as NeverDepth,rs as NeverStencilFunc,ee as NoBlending,T as NoColorSpace,I as NoNormalPacking,m as NoToneMapping,li as Node,ri as NodeAccess,mN as NodeAttribute,HN as NodeBuilder,_N as NodeCache,xN as NodeCode,Bl as NodeError,qN as NodeFrame,jN as NodeFunctionInput,UC as NodeLoader,mg as NodeMaterial,IC as NodeMaterialLoader,Ls as NodeMaterialObserver,OC as NodeObjectLoader,Js as NodeShaderStage,ti as NodeType,fN as NodeUniform,ei as NodeUpdateType,Zs as NodeUtils,yN as NodeVar,bN as NodeVarying,ke as NormalBlending,V as NormalGAPacking,ch as NormalMapNode,O as NormalRGPacking,Gr as NotEqualCompare,qt as NotEqualDepth,Kr as NotEqualStencilFunc,qe as Object3D,Ad as Object3DNode,Ms as ObjectLoader,k as ObjectSpaceNormalMap,Vt as OneFactor,Ft as OneMinusDstAlphaFactor,Lt as OneMinusDstColorFactor,ze as OneMinusSrcAlphaFactor,Pt as OneMinusSrcColorFactor,Ma as OperatorNode,_e as OrthographicCamera,rb as OutputStructNode,Je as PCFShadowMap,et as PCFSoftShadowMap,Sf as PMREMGenerator,Ff as PMREMNode,Tb as PackFloatNode,Qy as ParameterNode,Jx as PassNode,ve as PerspectiveCamera,Gg as PhongLightingModel,Vm as PhysicalLightingModel,He as Plane,lt as PlaneGeometry,gs as PointLight,hv as PointLightNode,ov as PointShadowNode,vx as PointUVNode,Fe as PointsMaterial,sy as PointsNodeMaterial,LC as PostProcessing,wC as ProjectorLight,tS as ProjectorLightNode,Un as PropertyNode,ux as QuadMesh,gt as Quaternion,yr as R11_EAC_Format,z as RED_GREEN_RGTC2_Format,Dr as RED_RGTC1_Format,ot as REVISION,$ as RG11_EAC_Format,Se as RGBAFormat,At as RGBAIntegerFormat,Br as RGBA_ASTC_10x10_Format,wr as RGBA_ASTC_10x5_Format,Cr as RGBA_ASTC_10x6_Format,Mr as RGBA_ASTC_10x8_Format,Fr as RGBA_ASTC_12x10_Format,Lr as RGBA_ASTC_12x12_Format,Tr as RGBA_ASTC_4x4_Format,_r as RGBA_ASTC_5x4_Format,vr as RGBA_ASTC_5x5_Format,Nr as RGBA_ASTC_6x5_Format,Sr as RGBA_ASTC_6x6_Format,Rr as RGBA_ASTC_8x5_Format,Er as RGBA_ASTC_8x6_Format,Ar as RGBA_ASTC_8x8_Format,Pr as RGBA_BPTC_Format,fr as RGBA_ETC2_EAC_Format,pr as RGBA_PVRTC_2BPPV1_Format,hr as RGBA_PVRTC_4BPPV1_Format,or as RGBA_S3TC_DXT1_Format,ur as RGBA_S3TC_DXT3_Format,lr as RGBA_S3TC_DXT5_Format,Et as RGBFormat,Rt as RGBIntegerFormat,gr as RGB_ETC1_Format,mr as RGB_ETC2_Format,cr as RGB_PVRTC_2BPPV1_Format,dr as RGB_PVRTC_4BPPV1_Format,ar as RGB_S3TC_DXT1_Format,G as RGFormat,St as RGIntegerFormat,dx as RTTNode,vT as RangeNode,fs as RectAreaLight,nS as RectAreaLightNode,Tt as RedFormat,xt as RedIntegerFormat,Wu as ReferenceBaseNode,Fc as ReferenceNode,sx as ReflectorNode,_s as ReinhardToneMapping,cl as RemapNode,yl as RenderOutputNode,FC as RenderPipeline,se as RenderTarget,Hu as RendererReferenceNode,F_ as RendererUtils,Vr as RepeatWrapping,us as ReplaceStencilOp,Mt as ReverseSubtractEquation,Qf as RotateNode,br as SIGNED_R11_EAC_Format,Ir as SIGNED_RED_GREEN_RGTC2_Format,Ur as SIGNED_RED_RGTC1_Format,xr as SIGNED_RG11_EAC_Format,re as SRGBColorSpace,g as SRGBTransfer,yx as SampleNode,ae as Scene,ql as ScreenNode,fi as SetNode,v_ as ShadowBaseNode,Le as ShadowMaterial,X_ as ShadowNode,oy as ShadowNodeMaterial,_t as ShortType,vp as SkinningNode,C as Sphere,st as SphereGeometry,mi as SplitNode,ps as SpotLight,QN as SpotLightNode,Be as SpriteMaterial,ey as SpriteNodeMaterial,Ge as SrcAlphaFactor,It as SrcAlphaSaturateFactor,Ot as SrcColorFactor,Zy as StackNode,Ds as StackTrace,f as StaticDrawUsage,ip as StorageArrayElementNode,_x as StorageBufferAttribute,ap as StorageBufferNode,Tx as StorageInstancedBufferAttribute,PC as StorageTexture,Cx as StorageTextureNode,tb as StructNode,eb as StructTypeNode,Fu as SubBuildNode,OT as SubgroupFunctionNode,Bt as SubtractEquation,Wt as SubtractiveBlending,lN as TSL,U as TangentSpaceNormalMap,hi as TempNode,N as Texture,Fx as Texture3DNode,Ll as TextureNode,Al as TextureSizeNode,wt as TimestampQuery,ju as ToneMappingNode,eT as ToonOutlinePassNode,Ke as UVMapping,De as Uint16BufferAttribute,Pe as Uint32BufferAttribute,kl as UniformArrayNode,ma as UniformGroupNode,_a as UniformNode,Sb as UnpackFloatNode,Ve as UnsignedByteType,ir as UnsignedInt101111Type,Oe as UnsignedInt248Type,sr as UnsignedInt5999Type,S as UnsignedIntType,tr as UnsignedShort4444Type,rr as UnsignedShort5551Type,Nt as UnsignedShortType,Px as UserDataNode,Ye as VSMShadowMap,Au as VarNode,Pu as VaryingNode,t as Vector2,r as Vector3,s as Vector4,Ux as VelocityNode,ag as VertexColorNode,qp as ViewportDepthNode,Wp as ViewportDepthTextureNode,Xx as ViewportSharedTextureNode,Op as ViewportTextureNode,hy as VolumeNodeMaterial,c as WebGLCoordinateSystem,h as WebGPUCoordinateSystem,MC as WebGPURenderer,mt as WebXRController,PT as WorkgroupInfoNode,ht as ZeroFactor,ls as ZeroStencilOp,Ct as createCanvasElement,ii as defaultBuildStages,si as defaultShaderStages,o as error,_ as log,ni as shaderStages,ai as vectorComponents,d as warn,v as warnOnce};
diff --git a/examples/jsm/tsl/display/GaussianBlurNode.js b/examples/jsm/tsl/display/GaussianBlurNode.js
index 9c7df096e1fb05..e84ff9ed289144 100644
--- a/examples/jsm/tsl/display/GaussianBlurNode.js
+++ b/examples/jsm/tsl/display/GaussianBlurNode.js
@@ -1,5 +1,5 @@
 import { RenderTarget, Vector2, NodeMaterial, RendererUtils, QuadMesh, TempNode, NodeUpdateType } from 'three/webgpu';
-import { nodeObject, Fn, float, uv, uniform, convertToTexture, vec2, vec4, passTexture, premultiplyAlpha, unpremultiplyAlpha } from 'three/tsl';
+import { Fn, float, uv, uniform, convertToTexture, vec2, vec4, passTexture, premultiplyAlpha, unpremultiplyAlpha } from 'three/tsl';
 
 const _quadMesh = /*@__PURE__*/ new QuadMesh();
 
@@ -124,6 +124,15 @@ class GaussianBlurNode extends TempNode {
 		 */
 		this.premultipliedAlpha = options.premultipliedAlpha || false;
 
+		/**
+		 * This flag can be used for type testing.
+		 *
+		 * @type {boolean}
+		 * @default true
+		 * @readonly
+		 */
+		this.isGaussianBlurNode = true;
+
 	}
 
 	/**
@@ -358,7 +367,7 @@ export default GaussianBlurNode;
  * @param {number} [options.resolutionScale=1] - The resolution of the effect. 0.5 means half the resolution of the texture node.
  * @returns {GaussianBlurNode}
  */
-export const gaussianBlur = ( node, directionNode, sigma, options = {} ) => nodeObject( new GaussianBlurNode( convertToTexture( node ), directionNode, sigma, options ) );
+export const gaussianBlur = ( node, directionNode, sigma, options = {} ) => new GaussianBlurNode( convertToTexture( node ), directionNode, sigma, options );
 
 /**
  * TSL function for creating a gaussian blur node for post processing with enabled premultiplied alpha.
diff --git a/examples/jsm/tsl/display/PixelationPassNode.js b/examples/jsm/tsl/display/PixelationPassNode.js
index 00cbd1f967ca5b..94d1da3b327bec 100644
--- a/examples/jsm/tsl/display/PixelationPassNode.js
+++ b/examples/jsm/tsl/display/PixelationPassNode.js
@@ -80,13 +80,13 @@ class PixelationNode extends TempNode {
 		this._resolution = uniform( new Vector4() );
 
 		/**
-		 * The `updateBeforeType` is set to `NodeUpdateType.FRAME` since the node updates
+		 * The `updateType` is set to `NodeUpdateType.FRAME` since the node updates
 		 * its internal uniforms once per frame in `updateBefore()`.
 		 *
 		 * @type {string}
 		 * @default 'frame'
 		 */
-		this.updateBeforeType = NodeUpdateType.FRAME;
+		this.updateType = NodeUpdateType.FRAME;
 
 	}
 
@@ -95,7 +95,7 @@ class PixelationNode extends TempNode {
 	 *
 	 * @param {NodeFrame} frame - The current node frame.
 	 */
-	updateBefore() {
+	update() {
 
 		const map = this.textureNode.value;
 
diff --git a/examples/screenshots/webgpu_backdrop_water.jpg b/examples/screenshots/webgpu_backdrop_water.jpg
index ebc76f3a816d7f..9d65952cf1d645 100644
Binary files a/examples/screenshots/webgpu_backdrop_water.jpg and b/examples/screenshots/webgpu_backdrop_water.jpg differ
diff --git a/examples/screenshots/webgpu_skinning_instancing.jpg b/examples/screenshots/webgpu_skinning_instancing.jpg
index b1bb592e9c47ba..174bc83883369c 100644
Binary files a/examples/screenshots/webgpu_skinning_instancing.jpg and b/examples/screenshots/webgpu_skinning_instancing.jpg differ
diff --git a/examples/screenshots/webgpu_volume_lighting.jpg b/examples/screenshots/webgpu_volume_lighting.jpg
index 00898d2d2f9b1e..05c8f089d1a88c 100644
Binary files a/examples/screenshots/webgpu_volume_lighting.jpg and b/examples/screenshots/webgpu_volume_lighting.jpg differ
diff --git a/examples/screenshots/webgpu_volume_lighting_rectarea.jpg b/examples/screenshots/webgpu_volume_lighting_rectarea.jpg
index 8b4f1df333ed0b..4209d39279f186 100644
Binary files a/examples/screenshots/webgpu_volume_lighting_rectarea.jpg and b/examples/screenshots/webgpu_volume_lighting_rectarea.jpg differ
diff --git a/examples/screenshots/webgpu_volume_lighting_traa.jpg b/examples/screenshots/webgpu_volume_lighting_traa.jpg
index 00898d2d2f9b1e..05c8f089d1a88c 100644
Binary files a/examples/screenshots/webgpu_volume_lighting_traa.jpg and b/examples/screenshots/webgpu_volume_lighting_traa.jpg differ
diff --git a/src/nodes/core/Node.js b/src/nodes/core/Node.js
index 03497da99970d5..de0670b4a18157 100644
--- a/src/nodes/core/Node.js
+++ b/src/nodes/core/Node.js
@@ -786,7 +786,6 @@ class Node extends EventDispatcher {
 
 		//
 
-		builder.addNode( this );
 		builder.addChain( this );
 
 		/* Build stages expected results:
@@ -800,6 +799,8 @@ class Node extends EventDispatcher {
 
 		if ( buildStage === 'setup' ) {
 
+			builder.addNode( this );
+
 			this.updateReference( builder );
 
 			const properties = builder.getNodeProperties( this );
@@ -836,6 +837,8 @@ class Node extends EventDispatcher {
 
 				}
 
+				builder.addSequentialNode( this );
+
 			}
 
 			result = properties.outputNode;
@@ -905,7 +908,6 @@ class Node extends EventDispatcher {
 		}
 
 		builder.removeChain( this );
-		builder.addSequentialNode( this );
 
 		return result;
 
diff --git a/src/nodes/core/NodeBuilder.js b/src/nodes/core/NodeBuilder.js
index 3252d677294be5..15af8f4e155279 100644
--- a/src/nodes/core/NodeBuilder.js
+++ b/src/nodes/core/NodeBuilder.js
@@ -8,7 +8,7 @@ import ParameterNode from './ParameterNode.js';
 import StructType from './StructType.js';
 import FunctionNode from '../code/FunctionNode.js';
 import NodeMaterial from '../../materials/nodes/NodeMaterial.js';
-import { getDataFromObject, getTypeFromLength } from './NodeUtils.js';
+import { getDataFromObject, getTypeFromLength, hashString } from './NodeUtils.js';
 import { NodeUpdateType, defaultBuildStages, shaderStages } from './constants.js';
 
 import {
@@ -20,7 +20,6 @@ import { stack } from './StackNode.js';
 import { getCurrentStack, setCurrentStack } from '../tsl/TSLBase.js';
 
 import CubeRenderTarget from '../../renderers/common/CubeRenderTarget.js';
-import ChainMap from '../../renderers/common/ChainMap.js';
 
 import BindGroup from '../../renderers/common/BindGroup.js';
 
@@ -35,9 +34,9 @@ import { warn, error } from '../../utils.js';
 
 let _id = 0;
 
-const sharedNodeData = new WeakMap();
+const _bindingGroupsCache = new WeakMap();
 
-const rendererCache = new WeakMap();
+const sharedNodeData = new WeakMap();
 
 const typeFromArray = new Map( [
 	[ Int8Array, 'int' ],
@@ -140,7 +139,10 @@ class NodeBuilder {
 		this.nodes = [];
 
 		/**
-		 * A list of all sequential nodes.
+		 * A list of all nodes the builder is processing in sequential order.
+		 *
+		 * This is used to determine the update order of nodes, which is important for
+		 * {@link NodeUpdateType#UPDATE_BEFORE} and {@link NodeUpdateType#UPDATE_AFTER}.
 		 *
 		 * @type {Array<Node>}
 		 */
@@ -491,27 +493,6 @@ class NodeBuilder {
 
 	}
 
-	/**
-	 * Returns the bind groups of the current renderer.
-	 *
-	 * @return {ChainMap} The cache.
-	 */
-	getBindGroupsCache() {
-
-		let bindGroupsCache = rendererCache.get( this.renderer );
-
-		if ( bindGroupsCache === undefined ) {
-
-			bindGroupsCache = new ChainMap();
-
-			rendererCache.set( this.renderer, bindGroupsCache );
-
-		}
-
-		return bindGroupsCache;
-
-	}
-
 	/**
 	 * Factory method for creating an instance of {@link RenderTarget} with the given
 	 * dimensions and options.
@@ -572,19 +553,21 @@ class NodeBuilder {
 	 */
 	_getBindGroup( groupName, bindings ) {
 
-		const bindGroupsCache = this.getBindGroupsCache();
+		const groupNode = bindings[ 0 ].groupNode;
 
-		//
+		let sharedGroup = groupNode.shared;
 
-		const bindingsArray = [];
+		if ( sharedGroup ) {
 
-		let sharedGroup = true;
+			for ( let i = 1; i < bindings.length; i ++ ) {
 
-		for ( const binding of bindings ) {
+				if ( groupNode !== bindings[ i ].groupNode ) {
 
-			bindingsArray.push( binding );
+					sharedGroup = false;
 
-			sharedGroup = sharedGroup && binding.groupNode.shared;
+				}
+
+			}
 
 		}
 
@@ -594,19 +577,67 @@ class NodeBuilder {
 
 		if ( sharedGroup ) {
 
-			bindGroup = bindGroupsCache.get( bindingsArray );
+			let cacheKeyString = '';
+
+			for ( const binding of bindings ) {
+
+				if ( binding.isNodeUniformsGroup ) {
+
+					binding.uniforms.sort( ( a, b ) => a.nodeUniform.node.id - b.nodeUniform.node.id );
+
+					for ( const uniform of binding.uniforms ) {
+
+						cacheKeyString += uniform.nodeUniform.node.id;
+
+					}
+
+				} else {
+
+					cacheKeyString += binding.nodeUniform.id;
+
+				}
+
+			}
+
+			// TODO: Remove this hack ._currentRenderContext
+
+			const currentContext = this.renderer._currentRenderContext || this.renderer; // use renderer as fallback until we have a compute context
+
+			let bindingGroupsCache = _bindingGroupsCache.get( currentContext );
+
+			if ( bindingGroupsCache === undefined ) {
+
+				bindingGroupsCache = new Map();
+
+				_bindingGroupsCache.set( currentContext, bindingGroupsCache );
+
+			}
+
+			//
+
+			const cacheKey = hashString( cacheKeyString );
+
+			bindGroup = bindingGroupsCache.get( cacheKey );
 
 			if ( bindGroup === undefined ) {
 
-				bindGroup = new BindGroup( groupName, bindingsArray, this.bindingsIndexes[ groupName ].group );
+				bindGroup = new BindGroup( groupName, bindings, this.bindingsIndexes[ groupName ].group );
+
+				bindingGroupsCache.set( cacheKey, bindGroup );
+
+			} else {
+
+				for ( let i = 0; i < bindings.length; i ++ ) {
+
+					bindGroup.bindings[ i ].visibility |= bindings[ i ].visibility;
 
-				bindGroupsCache.set( bindingsArray, bindGroup );
+				}
 
 			}
 
 		} else {
 
-			bindGroup = new BindGroup( groupName, bindingsArray, this.bindingsIndexes[ groupName ].group );
+			bindGroup = new BindGroup( groupName, bindings, this.bindingsIndexes[ groupName ].group );
 
 		}
 
@@ -758,9 +789,16 @@ class NodeBuilder {
 	 */
 	addSequentialNode( node ) {
 
-		if ( this.sequentialNodes.includes( node ) === false ) {
+		const updateBeforeType = node.getUpdateBeforeType();
+		const updateAfterType = node.getUpdateAfterType();
+
+		if ( updateBeforeType !== NodeUpdateType.NONE || updateAfterType !== NodeUpdateType.NONE ) {
 
-			this.sequentialNodes.push( node );
+			if ( this.sequentialNodes.includes( node ) === false ) {
+
+				this.sequentialNodes.push( node );
+
+			}
 
 		}
 
diff --git a/src/nodes/display/PassNode.js b/src/nodes/display/PassNode.js
index 2a7d1001b25c53..9b9eeac8c9ad2a 100644
--- a/src/nodes/display/PassNode.js
+++ b/src/nodes/display/PassNode.js
@@ -44,13 +44,23 @@ class PassTextureNode extends TextureNode {
 		 */
 		this.passNode = passNode;
 
+		/**
+		 * This flag can be used for type testing.
+		 *
+		 * @type {boolean}
+		 * @default true
+		 * @readonly
+		 */
+		this.isPassTextureNode = true;
+
 		this.setUpdateMatrix( false );
 
 	}
 
 	setup( builder ) {
 
-		this.passNode.build( builder );
+		const properties = builder.getNodeProperties( this );
+		properties.passNode = this.passNode;
 
 		return super.setup( builder );
 
@@ -107,6 +117,15 @@ class PassMultipleTextureNode extends PassTextureNode {
 		 */
 		this.previousTexture = previousTexture;
 
+		/**
+		 * This flag can be used for type testing.
+		 *
+		 * @type {boolean}
+		 * @default true
+		 * @readonly
+		 */
+		this.isPassMultipleTextureNode = true;
+
 	}
 
 	/**
diff --git a/src/renderers/webgpu/nodes/WGSLNodeBuilder.js b/src/renderers/webgpu/nodes/WGSLNodeBuilder.js
index cb0d61b30bcf7e..32625036a78ae4 100644
--- a/src/renderers/webgpu/nodes/WGSLNodeBuilder.js
+++ b/src/renderers/webgpu/nodes/WGSLNodeBuilder.js
@@ -1146,23 +1146,18 @@ class WGSLNodeBuilder extends NodeBuilder {
 				if ( uniformsGroup === undefined ) {
 
 					uniformsGroup = new NodeUniformsGroup( groupName, group );
-					uniformsGroup.setVisibility( gpuShaderStageLib[ shaderStage ] );
 
 					this.uniformGroups[ groupName ] = uniformsGroup;
 
-					bindings.push( uniformsGroup );
-
-				} else {
-
-					// Update visibility to include this shader stage (bitwise OR)
-					uniformsGroup.setVisibility( uniformsGroup.getVisibility() | gpuShaderStageLib[ shaderStage ] );
+				}
 
-					// Add to bindings for this stage if not already present
-					if ( bindings.indexOf( uniformsGroup ) === - 1 ) {
+				// Update visibility to include this shader stage (bitwise OR)
+				uniformsGroup.setVisibility( uniformsGroup.getVisibility() | gpuShaderStageLib[ shaderStage ] );
 
-						bindings.push( uniformsGroup );
+				// Add to bindings for this stage if not already present
+				if ( bindings.indexOf( uniformsGroup ) === - 1 ) {
 
-					}
+					bindings.push( uniformsGroup );
 
 				}
 
diff --git a/src/renderers/webgpu/utils/WebGPUBindingUtils.js b/src/renderers/webgpu/utils/WebGPUBindingUtils.js
index 3136a7bf2978c4..3a90fb75077b1c 100644
--- a/src/renderers/webgpu/utils/WebGPUBindingUtils.js
+++ b/src/renderers/webgpu/utils/WebGPUBindingUtils.js
@@ -6,6 +6,7 @@ import {
 import { FloatType, IntType, UnsignedIntType, Compatibility } from '../../../constants.js';
 import { NodeAccess } from '../../../nodes/core/constants.js';
 import { isTypedArray, error } from '../../../utils.js';
+import { hashString } from '../../../nodes/core/NodeUtils.js';
 
 /**
  * Class representing a WebGPU bind group layout.
@@ -88,36 +89,63 @@ class WebGPUBindingUtils {
 
 		const bindingsData = backend.get( bindGroup );
 
-		// check if the the bind group already has a layout
+		const entries = this._createLayoutEntries( bindGroup );
+		const bindGroupLayoutHash = hashString( JSON.stringify( entries ) );
+
+		let layoutChanged = false;
+
+		// check if the bind group already has a layout and if it's still valid
 
 		if ( bindingsData.layout ) {
 
-			return bindingsData.layout.layoutGPU;
+			// if the layout hash changed (e.g. visibility was updated), invalidate the old layout
 
-		}
+			if ( bindingsData.layoutHash !== bindGroupLayoutHash ) {
 
-		// if not, assing one
+				bindingsData.layout.usedTimes --;
 
-		const entries = this._createLayoutEntries( bindGroup );
-		const bindGroupLayoutKey = JSON.stringify( entries );
+				if ( bindingsData.layout.usedTimes === 0 ) {
 
-		// try to find an existing layout in the cache
+					this._bindGroupLayoutCache.delete( bindingsData.layoutHash );
 
-		let bindGroupLayout = this._bindGroupLayoutCache.get( bindGroupLayoutKey );
+				}
 
-		// if not create a new one
+				bindingsData.layout = undefined;
+				bindingsData.layoutHash = undefined;
+
+				layoutChanged = true;
+
+			} else {
+
+				return bindingsData.layout.layoutGPU;
+
+			}
+
+		}
+
+		// create or reuse a bind group layout from the cache
+
+		let bindGroupLayout = this._bindGroupLayoutCache.get( bindGroupLayoutHash );
 
 		if ( bindGroupLayout === undefined ) {
 
 			bindGroupLayout = new BindGroupLayout( device.createBindGroupLayout( { entries } ) );
-			this._bindGroupLayoutCache.set( bindGroupLayoutKey, bindGroupLayout );
+			this._bindGroupLayoutCache.set( bindGroupLayoutHash, bindGroupLayout );
 
 		}
 
 		bindGroupLayout.usedTimes ++;
 
 		bindingsData.layout = bindGroupLayout;
-		bindingsData.layoutKey = bindGroupLayoutKey;
+		bindingsData.layoutHash = bindGroupLayoutHash;
+
+		// if layout changed, recreate the GPU bind group with the new layout
+
+		if ( layoutChanged ) {
+
+			bindingsData.group = this.createBindGroup( bindGroup, bindGroupLayout.layoutGPU );
+
+		}
 
 		return bindGroupLayout.layoutGPU;
 
@@ -616,12 +644,12 @@ class WebGPUBindingUtils {
 
 			if ( bindingsData.layout.usedTimes === 0 ) {
 
-				this._bindGroupLayoutCache.delete( bindingsData.layoutKey );
+				this._bindGroupLayoutCache.delete( bindingsData.layoutHash );
 
 			}
 
 			bindingsData.layout = undefined;
-			bindingsData.layoutKey = undefined;
+			bindingsData.layoutHash = undefined;
 
 		}
 
diff --git a/src/renderers/webgpu/utils/WebGPUPipelineUtils.js b/src/renderers/webgpu/utils/WebGPUPipelineUtils.js
index 1fac51cac04800..edf130736544f0 100644
--- a/src/renderers/webgpu/utils/WebGPUPipelineUtils.js
+++ b/src/renderers/webgpu/utils/WebGPUPipelineUtils.js
@@ -105,8 +105,8 @@ class WebGPUPipelineUtils {
 
 		for ( const bindGroup of renderObject.getBindings() ) {
 
-			const bindingsData = backend.get( bindGroup );
-			const { layoutGPU } = bindingsData.layout;
+			// ensure layout is up to date (visibility may have changed due to shared bind groups)
+			const layoutGPU = backend.bindingUtils.createBindingsLayout( bindGroup );
 
 			bindGroupLayouts.push( layoutGPU );
 
@@ -366,8 +366,8 @@ class WebGPUPipelineUtils {
 
 		for ( const bindingsGroup of bindings ) {
 
-			const bindingsData = backend.get( bindingsGroup );
-			const { layoutGPU } = bindingsData.layout;
+			// ensure layout is up to date (visibility may have changed due to shared bind groups)
+			const layoutGPU = backend.bindingUtils.createBindingsLayout( bindingsGroup );
 
 			bindGroupLayouts.push( layoutGPU );
 
diff --git a/test/e2e/puppeteer.js b/test/e2e/puppeteer.js
index 96452f43847399..a4c621a1fe1e81 100644
--- a/test/e2e/puppeteer.js
+++ b/test/e2e/puppeteer.js
@@ -8,8 +8,6 @@ const server = createServer();
 const exceptionList = [
 
 	// Take too long
-	'webgpu_parallax_uv', 				// 11 min
-	'webgpu_cubemap_adjustments', 		// 9 min
 	'webgl_loader_lwo', 				// 8 min
 	'webgpu_cubemap_mix', 				// 2 min
 	'webgl_loader_texture_ultrahdr', 	// 1 min
@@ -31,14 +29,9 @@ const exceptionList = [
 	'webgpu_portal',
 	'webgpu_postprocessing_ao',
 	'webgpu_postprocessing_dof',
-	'webgpu_postprocessing_godrays',
 	'webgpu_postprocessing_ssgi',
 	'webgpu_postprocessing_sss',
 	'webgpu_postprocessing_traa',
-	'webgpu_reflection',
-	'webgpu_test_memory',
-	'webgpu_texturegrad',
-	'webgpu_tsl_vfx_flames',
 	'webgpu_volume_lighting_traa',
 
 	// Need more time to render