Steve Troughton-Smith on Nostr: The thing about material shaders is I don't quite know the right questions to ask — ...

The thing about material shaders is I don't quite know the right questions to ask — the unknown unknowns. Am I taking into account the right refraction, internal reflection, attenuated shadows, etc. Why is this too bright, why is this too dark. You can tell from these examples where things are obviously wrong, and it takes quite a bit of iteration