POV-Ray : Newsgroups : povray.unofficial.patches : blob2 : Re: blob2 patch now available Server Time
3 Jul 2024 01:33:22 EDT (-0400)
  Re: blob2 patch now available  
From: Anton Sherwood
Date: 9 Oct 2003 01:29:19
Message: <3f84f22f$1@news.povray.org>
Christopher James Huff wrote:
> . . . . The function I used for the blob2 object is:
> 
> ((6*r - 15)*r + 10)*r*r*r

Why quintic?  All we absolutely need is

	f(0) = 1
	f(1) = f'(1) = f''(1) = 0

for which (1-r)^3 would do; were you also trying to fit the traditional 
curve?

-- 
Anton Sherwood, http://www.ogre.nu/


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