POV-Ray : Newsgroups : povray.general : trace() direction vector : Re: trace() direction vector Server Time
30 Jul 2024 00:31:44 EDT (-0400)
  Re: trace() direction vector  
From: Kenneth
Date: 2 Apr 2010 13:40:00
Message: <web.4bb62a5d27d707a665f302820@news.povray.org>
clipka <ano### [at] anonymousorg> wrote:

> #local Direction = (B-A);

A more general rule-of-thumb would be

#local Direction = (<...ending point...> - <...starting point...>)

in case MadKairon decided to start at B and end at A. But perhaps that's obvious
from your reply.  ;-)

Ken


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