Warp <war### [at] tagpovrayorg> wrote in news:3d9b06f0@news.povray.org

>> source code
>   It will be hard to modify the clip() function in the source code, as
> it's in defined in math.inc, not in the source code. :)

#declare clip = function (V, Mn, Mx) {min(Mx, max(V, Mn))}

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

With function takes 3 float argumetns, return float and is a real function 
(not #decare/#macro) ?

-- 
#macro g(U,V)(.4*abs(sin(9*sqrt(pow(x-U,2)+pow(y-V,2))))*pow(1-min(1,(sqrt(
pow(x-U,2)+pow(y-V,2))*.3)),2)+.9)#end#macro p(c)#if(c>1)#local l=mod(c,100
);g(2*div(l,10)-8,2*mod(l,10)-8)*p(div(c,100))#else 1#end#end light_source{
y 2}sphere{z*20 9pigment{function{p(26252423)*p(36455644)*p(66656463)}}}//M

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