#version 430 core
layout (location = 0) in vec3 position;
layout (std140, binding = 0) uniform TheMat { mat4 theMat; } ;
uniform vec3 lightPos;
uniform vec2 radLum;
out vec3 dField;
out float lum;
void main()
{
    dField = (position - lightPos) / radLum.x;
    lum = radLum.y;
    gl_Position = theMat * vec4(position,1);
}