Bob Hughes <inv### [at] aolcom> wrote:
: Just happened to think, if a unioned CSG is completely opaque is there
: no ray testing done within said CSG?

  AFAIK when you shoot a ray, you get _all_ the intersections of that ray
and every surface it hits.
  That's why shadow calculations of semi-transparent objects are so fast and
max_trace_level independent.

-- 
main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
):5;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/

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