"Chris Huff" wrote:
> "Rune" wrote:
>
> > Predefined deformations does not give the user full control.
> > Nor do warps.
> >
> > POV-Ray functions returns floats and not vectors, don't they?
>
> Yes, but it might be possible to combine three of them into a
> single function that returns a vector. This would be best with
> variables in functions, but would be quite useable otherwise.
> Or you could just use three separate functions...

Doesn't sound intuitive at all I think!

I prefer a user-defined twist to be as simple to make as this:

#macro deform_mezz (P) vrotate(P,120*x*P.x) #end

Rune
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