POV-Ray : Newsgroups : povray.programming : still about povray source code : Re: still about povray source code Server Time
28 Jul 2024 14:20:52 EDT (-0400)
  Re: still about povray source code  
From: Wlodzimierz ABX Skiba
Date: 11 Dec 2000 12:28:09
Message: <3a350ea9@news.povray.org>
Thorsten Froehlich wrote in message <3a34f263$1@news.povray.org>...
>In article <3a34d6c9@news.povray.org> , "Wlodzimierz ABX Skiba"
><abx### [at] abxartpl> wrote:
>>> Sure it is.  "All intersections" means "all intersections of the object with
>>> a ray."
>>
>> unfotunatly I didn't found such comment in code
>
> Doesn't the function take a "Ray" as argument?

sure, trivial, simple ?
parametric equation of line is exactly ray equation
vector structure is used for both: vectors and points

I thought at first that for csg operation
this always return all intersections and only filter it later

> This might have to do with that fact that POV-Ray is something called a
> "ray-tracer", not a "line-tracer" ;-)


oh, common! I just forgot ;-)

ABX


Post a reply to this message

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