oval.vert

#version 330 compatibility

// will be interpolated into the fragment shader:
out  vec2  vST;                 // texture coords
out  vec3  vN;                  // normal vector
out  vec3  vL;                  // vector from point to light
out  vec3  vE;                  // vector from point to eye
out  vec3  vMC;					// model coordinates

const vec3 LIGHTPOSITION = vec3( 5.0, 5.0, 0.0 );

void
main( )
{
	vST = gl_MultiTexCoord0.st;
	vMC = gl_Vertex.xyz;
	vec4 ECposition = gl_ModelViewMatrix * gl_Vertex; 	// eye coordinate position
	vN = normalize( gl_NormalMatrix * gl_Normal ); 		// normal vector
	vL = LIGHTPOSITION - ECposition.xyz; 				// vector from the point to the light position
	vE = vec3( 0.0, 0.0, 0.0 ) - ECposition.xyz; 		// vector from the point to the eye position
	gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
}