Rafal 'Raf256' Maj <raf### [at] raf256com> wrote:
> #declare clip = function (V, Mn, Mx) {min(Mx, max(V, Mn))}

> woooow... this must be terrible slow in compare to hard-coded function.

  Do you want me to preach again about the advantages of using a macro or
function compared to a hard-coded feature?

  I can't imagine a scene where the speed-difference would be noticeable.
(Of course you could invent rather artificial examples, but I'm talking
about practical scenes.)

-- 
#macro M(A,N,D,L)plane{-z,-9pigment{mandel L*9translate N color_map{[0rgb x]
[1rgb 9]}scale<D,D*3D>*1e3}rotate y*A*8}#end M(-3<1.206434.28623>70,7)M(
-1<.7438.1795>1,20)M(1<.77595.13699>30,20)M(3<.75923.07145>80,99)// - Warp -

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