#version 450 core
layout (location = 0) in vec3 position;
layout (location = 1) in vec4 color;
layout (location = 2) in vec4 boxes;
layout (std140, binding = 0) uniform TheMat { mat4 theMat; } ;
out vec4 vColor;
out vec2 boxOut;
out vec2 boxIn;
void main()
{
  gl_Position = theMat * vec4(position.xyz,1);
  vColor  = color;
  boxOut = boxes.xy ;
  boxIn = boxes.zw ;
}