Ron Parker <ron### [at] povrayorg> wrote:
: Actually, it doesn't.  Meshes and isosurfaces, at least, can and do find the 
: closest intersection without finding all the others.

  I was actually thinking about all the objects as a whole. If you have several
objects, I think povray has to test the ray with all of them to see which
surface is closest?
  And btw, wouldn't it be equally easy for meshes and isosurfaces to find
the farthest intersection?

-- 
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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