MatlEditor/Cube.cpp at master · sharjith/MatlEditor · GitHub

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#include "Cube.h"
#include <cstdio>

Cube::Cube(QOpenGLShaderProgram* prog, GLfloat side ):QuadMesh(prog, "Cube")
{
    GLfloat side2 = side / 2.0f;

    std::vector<GLfloat> p = {
        // Front
       -side2, -side2, side2, side2, -side2, side2, side2,  side2, side2,  -side2,  side2, side2,
       // Right
        side2, -side2, side2, side2, -side2, -side2, side2,  side2, -side2, side2,  side2, side2,
       // Back
       -side2, -side2, -side2, -side2,  side2, -side2, side2,  side2, -side2, side2, -side2, -side2,
       // Left
       -side2, -side2, side2, -side2,  side2, side2, -side2,  side2, -side2, -side2, -side2, -side2,
       // Bottom
       -side2, -side2, side2, -side2, -side2, -side2, side2, -side2, -side2, side2, -side2, side2,
       // Top
       -side2,  side2, side2, side2,  side2, side2, side2,  side2, -side2, -side2,  side2, -side2
    };

    std::vector<GLfloat> n = {
        // Front
        0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f,
        // Right
        1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f,
        // Back
        0.0f, 0.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, -1.0f,
        // Left
        -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f,
        // Bottom
        0.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, -1.0f, 0.0f,
        // Top
        0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f
    };

    std::vector<GLfloat> tex = {
        // Front
        0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f, 0.0f, 1.0f,
        // Right
        0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f, 0.0f, 1.0f,
        // Back
        0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f, 0.0f, 1.0f,
        // Left
        0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f, 0.0f, 1.0f,
        // Bottom
        0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f, 0.0f, 1.0f,
        // Top
        0.0f, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f, 0.0f, 1.0f
    };

    /*std::vector<GLuint> el = {
        0,1,2,0,2,3,
        4,5,6,4,6,7,
        8,9,10,8,10,11,
        12,13,14,12,14,15,
        16,17,18,16,18,19,
        20,21,22,20,22,23
    };*/
	std::vector<GLuint> el = {
		0,1,2,3,
		4,5,6,7,
		8,9,10,11,
		12,13,14,15,
		16,17,18,19,
		20,21,22,23
	};

    initBuffers(&el, &p, &n, &tex);

	_boundingSphere.setCenter(0, 0, 0);
	_boundingSphere.setRadius(sqrt(3)*(side/2));
}