#version 130

precision highp float;

uniform struct 
{   
   vec4 Position;
   float InverseRadius;
} Light;

uniform mat4 ModelviewProjection;

in vec3 Position;
out vec3 lightVector;

void main()
{
	vec4 position = vec4(Position, 1.0);
	lightVector = Light.InverseRadius * (Light.Position - position).xyz;
	gl_Position = ModelviewProjection * position;
}