POV-Ray : Newsgroups : povray.newusers : Using rand(); clear howto! : Re: Using rand(); clear howto! Server Time
5 Nov 2024 13:25:12 EST (-0500)
  Re: Using rand(); clear howto!  
From: Warp
Date: 11 May 2001 07:31:53
Message: <3afbcda9@news.povray.org>
Simon Lemieux <lem### [at] yahoocom> wrote:
: sphere { <rand(seed(i)), rand(seed(i+1)), 0>, 0.01 pigment { color rgb 1 }

  Do you make that in C++ as well? That is, something like:

for(int i=0; i<n; ++i)
{
  srand(i);
  int x = rand();
  srand(i+1);
  int y = rand();
}

  I suppose not. But that's what you are doing in the povray code.

-- 
#macro N(D,I)#if(I<6)cylinder{M()#local D[I]=div(D[I],104);M().5,2pigment{
rgb M()}}N(D,(D[I]>99?I:I+1))#end#end#macro M()<mod(D[I],13)-6,mod(div(D[I
],13),8)-3,10>#end blob{N(array[6]{11117333955,
7382340,3358,3900569407,970,4254934330},0)}//                     - Warp -


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