POV-Ray : Newsgroups : povray.newusers : Normal bumpiness : Re: Normal bumpiness Server Time
2 Nov 2024 17:18:22 EDT (-0400)
  Re: Normal bumpiness  
From: Omega
Date: 18 Nov 2003 12:50:01
Message: <web.3fba5b524daf0e006b7c745d0@news.povray.org>
Tim Nikias v2.0 wrote:
>Povray makes use of pseudo-random streams, but for normals, it uses the
>inbuilt patterns, and they're not random at all. And even if you use the
>rand()-stream to actually randomize the "location" of the pattern, then it
>will stay the same as long as the seed isn't changed. I'm not too sure about
>different platforms though, some Guru needs to answer that.

Ok, as long as I have the assurance that the bump pattern won't change if I
don't move the sphere, it's fine.

Thanks!
O.


Post a reply to this message

Copyright 2003-2023 Persistence of Vision Raytracer Pty. Ltd.