Lambert -> phong shading

Data/resources/shaders/.kp3d/map_f.glsl

@@ -45,7 +45,20 @@ vec4 MakeLight(vec3 norm, vec3 position, vec3 diffuse, float radius, float sharp
 	light.position = position;
 	light.diffuse = diffuse;
 	light.radius = radius;
-	vec4 res = vec4(light.diffuse * Lambert(norm, normalize(light.position)), 1.0);
+	// vec4 res = vec4(light.diffuse * Lambert(norm, normalize(light.position)), 1.0);
+
+	vec3 light_dir = normalize(light.position - v_position);
+	
+	vec3 view_dir = normalize(u_campos - v_position);
+	vec3 reflect_dir = reflect(-light_dir, norm);
+	float spec = max(dot(view_dir, reflect_dir), 0.0);
+	float diff = max(dot(norm, light_dir), 0.0);
+	power = 0.5;
+	vec3 ddiffuse = diff * light.diffuse;
+	vec3 specular = power * spec * light.diffuse;
+	vec4 res = vec4(ddiffuse + specular, 1.0);
+	//vec4 res = vec4(power * spec * light.diffuse, 1.0);
+	
 	float alpha = kpc(distance(light.position, v_position), light.radius * sharpness, light.radius);
 	res *= mix(vec4(light.diffuse, 1), vec4(0,0,0,1.0), alpha);
 
@@ -64,7 +77,7 @@ void main()
 	
 	vec4 ambient = vec4(0.1, 0.1, 0.1, 1.0) * 1.5, light = ambient;
 	
-	light += MakeLight(norm, u_campos, vec3(1.0, 1.0, 1.0), 5.0, 0.0, 1.0);
+	light += MakeLight(norm, u_campos, vec3(0.7), 5.0, 0.0, 1.0);
 	light += MakeLight(norm, vec3(5.0, 2.0, -7.0 + cos(u_time/35.0) * 2.0), vec3(1.0, 0.6, 0.0), 5.0, 0.6, 1.0);
 	light += MakeLight(norm, vec3(7, 2.0, -7.0 + -cos(u_time / 30.0) * 1.0), vec3(0.6, 0.9, 1.0), 5.0, 0.6, 1.0);