Easy Diffuse Mapping from Normal or Height Maps
Textures spell the difference between superb-looking models and crappy-looking ones. Excellent diffuse and normal maps are crucial in giving your models that wow factor, and bad ones can damn even the best models to ruination. Normal maps can be baked from high-poly models, a process that I explained in a previous blog post . Diffuse maps, on the other hand, are created in image-editing software. There are many ways to make diffuse maps. For instance, you may copy and paste images together to form your diffuse map, as I explained in another blog post . Things get more complicated if your diffuse map has to follow the bumps and crevasses of your normal map. Such is the case with the snake and hydra texture, in which the scales on the diffuse map have to match those on the normal map. The key to accomplishing this is to use your model’s normal map – or better yet, its height map if it has one – as a basis for painting its diffuse map. There are many ways to do this. The method that...