nuclear@7: varying vec3 normal, vpos;
nuclear@7: 
nuclear@7: void main()
nuclear@7: {
nuclear@7: 	vec3 n = normalize(normal);
nuclear@7: 	vec3 v = -normalize(vpos);
nuclear@7: 
nuclear@8: 	vec3 color = vec3(0.0, 0.0, 0.0);
nuclear@7: 
nuclear@8: 	for(int i=0; i<2; i++) {
nuclear@8: 		vec3 l = normalize(gl_LightSource[i].position.xyz);
nuclear@8: 		vec3 h = normalize(v + l);
nuclear@8: 
nuclear@8: 		float ndotl = max(dot(n, l), 0.0);
nuclear@8: 		float ndoth = max(dot(n, h), 0.0);
nuclear@8: 		float spec = pow(ndoth, gl_FrontMaterial.shininess);
nuclear@8: 
nuclear@8: 		vec3 dcol = gl_FrontMaterial.diffuse.xyz * gl_LightSource[i].diffuse.xyz;
nuclear@8: 		vec3 scol = gl_FrontMaterial.specular.xyz * gl_LightSource[i].diffuse.xyz;
nuclear@8: 
nuclear@8: 		color += dcol * ndotl + scol * spec;
nuclear@8: 	}
nuclear@7: 
nuclear@7: 	vec3 acol = gl_FrontMaterial.ambient.xyz * gl_LightModel.ambient.xyz;
nuclear@7: 
nuclear@8: 	gl_FragColor.xyz = acol + color;
nuclear@7: 	gl_FragColor.w = 1.0;
nuclear@7: }