Hi everyone! I've always been under the impression that in order to really make your normal map pop, you needed a spec map too. Even for something that is mostly flat in appearance, you would need a tiny bit of spec right? Does it really make sense to have just a diffuse and normal map plugged in a shader, with no spec? Or…
sometimes its fine. but usually if you want to get those little details like dirt, scratches, any kind of small surface detail you need to use a spec to break up the hightlights. If you don't use a spec you can put noise in your normal map, but that sometimes looks horrible, like the dirt is actually a huge blob of wax or…