In article <3A6B3E85.303666C0@peak.edu.ee>, Margus Ramst 
<mar### [at] peakeduee> wrote:

> Couldn't it be done as an extension of the light_groups philosophy? 
> E.g. if the the camera ray hits an object that is not in the camera's 
> "world group" the intersection is discarded; a portal would (among 
> other things) redefine the camera's group id, so further testing 
> along this ray is done for a different "world group".

I think that would slow down the rendering of the world being directly 
rendered, possibly by a lot. It also would probably lead to some highly 
confusing multi-world files.

-- 
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/

<><

Post a reply to this message