nuclear@16: varying vec3 vpos, norm, ldir;
nuclear@16: 
nuclear@16: void main()
nuclear@16: {
nuclear@16: 	vec3 v = -normalize(vpos);
nuclear@16: 	vec3 n = normalize(norm);
nuclear@16: 	vec3 l = normalize(ldir);
nuclear@16: 	vec3 h = normalize(v + l);
nuclear@16: 
nuclear@16: 	float ndotl = max(dot(n, l), 0.0);
nuclear@16: 	float ndoth = max(dot(n, h), 0.0);
nuclear@16: 
nuclear@16: 	vec3 diff = gl_FrontMaterial.diffuse.rgb * gl_LightSource[0].diffuse.rgb * ndotl;
nuclear@16: 	vec3 spec = gl_FrontMaterial.specular.rgb * gl_LightSource[0].specular.rgb *
nuclear@16: 		pow(ndoth, gl_FrontMaterial.shininess);
nuclear@16: 
nuclear@16: 	gl_FragColor.rgb = diff + spec;
nuclear@16: 	gl_FragColor.a = 1.0;
nuclear@16: }