POV-Ray : Newsgroups : povray.programming : still about povray source code : Re: still about povray source code Server Time
28 Jul 2024 14:18:32 EDT (-0400)
  Re: still about povray source code  
From: Wlodzimierz ABX Skiba
Date: 11 Dec 2000 08:29:45
Message: <3a34d6c9@news.povray.org>
Ron Parker wrote in message ...
>On Mon, 11 Dec 2000 13:57:57 +0100, Wlodzimierz ABX Skiba wrote:
>>Ron Parker wrote in message ...
>>> >All_XXX_Intersections()
>>> >
>>> >why this not return ALL if there is ALL in name ?
>>>
>>> It should return all, but meshes and some other objects are exceptions to
>>> the rule, usually for speed considerations.  Anything you can use in CSG
>>> should definitely return all.
>>
>>
>>hmm, but everything returns only positive vales of depth
>>this isn't all
>
> Sure it is.  "All intersections" means "all intersections of the object with
> a ray."

unfotunatly I didn't found such comment in code

> Since a ray goes only one direction from a point, all of the
> intersections with that ray will be in a positive direction.


sure, I understand idea
but unfotunatly when I sit to code I consider ray as line
as I said this is annoying only for beginner :-(

ABX


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