nuclear@0: uniform mat4 world_matrix;
nuclear@0: 
nuclear@0: varying vec3 lpos, wpos, vpos, norm, ldir;
nuclear@0: 
nuclear@0: void main()
nuclear@0: {
nuclear@0: 	lpos = gl_Vertex.xyz;
nuclear@0: 	gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;
nuclear@0: 
nuclear@0: 	vpos = (gl_ModelViewMatrix * gl_Vertex).xyz;
nuclear@0: 	wpos = (world_matrix * gl_Vertex).xyz;
nuclear@0: 	norm = gl_NormalMatrix * gl_Normal;
nuclear@0: 	gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
nuclear@0: 
nuclear@0: 	ldir = gl_LightSource[0].position.xyz - vpos;
nuclear@0: }