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#version 440
layout(location = 0) in vec4 position;
// Instanced attributes to variate the translation and color of the cube
layout(location = 1) in vec3 instTranslate;
layout(location = 2) in vec3 instColor;
layout(location = 0) out vec3 vColor;
out gl_PerVertex { vec4 gl_Position; };
layout(std140, binding = 0) uniform buf {
mat4 mvp;
} ubuf;
void main()
{
vColor = instColor;
mat4 t = mat4(1, 0, 0, 0,
0, 1, 0, 0,
0, 0, 1, 0,
instTranslate.x, instTranslate.y, instTranslate.z, 1);
gl_Position = ubuf.mvp * t * position;
}
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