POV-Ray : Newsgroups : povray.tools.general : sin cos delta : Re: sin cos delta Server Time
2 May 2024 13:41:40 EDT (-0400)
  Re: sin cos delta  
From: Warp
Date: 29 May 2007 11:07:11
Message: <465c419f@news.povray.org>
Roman Reiner <lim### [at] gmxde> wrote:
> You'd probably need to use atan(dy/dx). however the usage of atan is a
> little problematic since dx is not necessarily unequal zero and it's

> (which is the opposite direction).

  That's exactly why atan2() exists.

-- 
                                                          - Warp


Post a reply to this message

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