From e91a272b76e6779953bdc21a7f587b143b516de8 Mon Sep 17 00:00:00 2001
From: rondlh <77279634+rondlh@users.noreply.github.com>
Date: Thu, 5 Mar 2026 19:29:25 +0800
Subject: [PATCH] Limit Z-range to within reasonable bounds

Limit Z-range to within reasonable bounds
Range: -1200 to +1200mm

Note: The handle position is limited, for Z-arrow it's 5mm above the object
---
 .../bowlerstudio/threed/BowlerStudio3dEngine.java              | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/neuronrobotics/bowlerstudio/threed/BowlerStudio3dEngine.java b/src/main/java/com/neuronrobotics/bowlerstudio/threed/BowlerStudio3dEngine.java
index 044b1d411..8e7a6b006 100644
--- a/src/main/java/com/neuronrobotics/bowlerstudio/threed/BowlerStudio3dEngine.java
+++ b/src/main/java/com/neuronrobotics/bowlerstudio/threed/BowlerStudio3dEngine.java
@@ -340,7 +340,8 @@ public double sceneToWorldFixedXY_WP(Point2D scenePixel, double fixedX, double f
 			else
 				t = ((fixedX - ox) * dx + (fixedY - oy) * dy) / denom;
 
-			return localOrigin.getZ() + t * localDir.z;
+			// Limit range to within -1200 and +1200mm
+			return Math.max(-1200, Math.min(localOrigin.getZ() + t * localDir.z, 1200));
 
 		} catch (NonInvertibleTransformException e) {
 			return 0;