nuclear@3: varying vec3 vpos, ldir, norm;
nuclear@3: 
nuclear@3: void main()
nuclear@3: {
nuclear@3: 	gl_Position = ftransform();
nuclear@3: 
nuclear@3: 	vpos = (gl_ModelViewMatrix * gl_Vertex).xyz;
nuclear@3: 	norm = gl_NormalMatrix * gl_Normal;
nuclear@3: 	ldir = gl_LightSource[0].position.xyz;
nuclear@3: }