nuclear@0: #version 410 compatibility
nuclear@0: 
nuclear@0: in vec3 normal;
nuclear@0: in vec3 vpos;
nuclear@0: 
nuclear@0: void main()
nuclear@0: {
nuclear@0: 	vec3 ldir = gl_LightSource[0].position.xyz - vpos;
nuclear@0: 
nuclear@0: 	vec3 n = normalize(normal);
nuclear@0: 	vec3 v = -normalize(vpos);
nuclear@0: 	vec3 l = normalize(ldir);
nuclear@0: 	vec3 h = normalize(l + v);
nuclear@0: 
nuclear@0: 	float ndotl = max(dot(n, l), 0.0);
nuclear@0: 	float ndoth = max(dot(n, h), 0.0);
nuclear@0: 
nuclear@0: 	vec3 kd = gl_FrontMaterial.diffuse.xyz;
nuclear@0: 	vec3 ks = gl_FrontMaterial.specular.xyz;
nuclear@0: 	float shin = gl_FrontMaterial.shininess;
nuclear@0: 
nuclear@0: 	vec3 diffuse = kd * ndotl * gl_LightSource[0].diffuse.xyz;
nuclear@0: 	vec3 specular = ks * pow(ndoth, shin) * gl_LightSource[0].specular.xyz;
nuclear@0: 
nuclear@0: 	gl_FragColor = vec4(diffuse + specular, gl_FrontMaterial.diffuse.w);
nuclear@0: }