varying vec3  MCposition;
varying float LightIntensity; 


void main()
{
	vec3 LightPos = vec3( 3., 5., 10. );
    	vec3 tnorm      = normalize( gl_NormalMatrix * gl_Normal );
	vec3 ECposition = vec3( gl_ModelViewMatrix * gl_Vertex );
    	LightIntensity  = dot( normalize(LightPos - ECposition), tnorm );
    	LightIntensity = abs( LightIntensity );
    	LightIntensity *= 1.1;

	MCposition = gl_Vertex.xyz;
	gl_Position     = gl_ModelViewProjectionMatrix * gl_Vertex;
}