My question is: Does POV-Ray have another version of voronoi pattern to use? I
said "Worley noise"
As a function?



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step2:

multiply "f_crackle_base" to a f_bumps(x,y,z) noise, the "f_bumps" noise should
change its relative size to "f_crackle", so I #declare bum_size to adjust it.


#declare f_test(x,y,z) =
function(x, y, z) {
f_crackle_base(x,y,z) * f_bump_base(x,y,z)
}



The "f_test" pattern:

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