Chris Huff wrote:
>
> I briefly considered this exact feature, but there is no way I could do
> it.
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".
--
Margus Ramst
Personal e-mail: mar### [at] peak edu ee
TAG (Team Assistance Group) e-mail: mar### [at] tag povray org
Home page http://www.hot.ee/margusrt
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