POV-Ray : Newsgroups : povray.advanced-users : Hair simulation : Re: Hair simulation Server Time
29 Jul 2024 10:27:26 EDT (-0400)
  Re: Hair simulation  
From: Warp
Date: 3 Aug 2002 21:50:22
Message: <3d4c885e@news.povray.org>
Tim Nikias <tim### [at] gmxde> wrote:
> I've written a small macro which generates a CSG-Hair
> made of spheres and cylinders some time ago. What you
> need to do is use the vector-function trace() and grab the
> position and surface normal from there, then use those
> to place a hair.

  That does not necessarily cover the entire surface of the object.

> I think Chris' include is suited for meshes only.

  And bicubic patches.

-- 
#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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