Lance Birch <lan### [at] usanet> wrote:
: Smooth Triangles only cast normal triangle shadows to my knowledge (I could
: be wrong though).

  With "shadow" I'm not meaning casted shadow, but the part of the object
which is not illuminated by the light.

: After all, isn't the smoothing just normal perturbation?  In which case it
: shouldn't affect the shadow.

  Of course it affects.
  If the normal of one corner is pointing towards the light and the normal
of another corner is pointing to the other direction, the shadow line
is somewhere between these corners. This shadow line is not sharp, but
smooth (just like in regular cylinders).

-- 
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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