Kenneth wrote:
> I was wondering if you had previously tried the 'quilted' pattern (as turned
> into a function, for use with the HF_Cylinder macro in shapes.inc)? That would
> seem to be an alternate method to create a knurling effect on a cylinder,
> although I haven't tried it myself.
> 
> Ken W.
> 
> 

Actually I hadn't thought of that, I just have a mental association 
between functions and normals, so I never thought of using it as a 
heightfield. I may look into that at some point, maybe see if there are 
performance gains for one implementation over the other.

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