The Dot3 mode in Blitz is useless because to properly utilize it you need access to pixel shaders, which Blitz does not have. There are a few demos that show DOT3 in action, but don't be fooled, these either "cheat" and use directional lights and a static model, or the lighting displayed isn't actually correct. You could light a normal mapped car with something like a directional light, but that's about it. Can't do animated characters with bones, and can't use omni lights. Making normal maps is a pain anyway, and totally unnneccessary for indie games.
Dot 3?
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