clipka wrote:

> I'd rather prefer work to be invested into some "fake displacement 
> mapping" (I'm thinking of a certain kind of "deluxe bump mapping",

interpreting normal patterns a displacement map would certainly be
nice and it could be applied to objects other than meshes. The delta
already defined for normals could be used to build a local mesh at the
intersection point where an object was hit, to be used for local shadow
calculations and displacement of the intersection point.

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