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John VanSickle <van### [at] erols com> wrote:
: For flat triangles the normal is derived from a cross-product of two
: of the edge vectors (I presume) and therefore depends on the order the
: vertices are defined.
I think it doesn't matter which side the normal is pointing to (as in any
other surface in povray). This specially doesn't matter with triangles since
they do not have interior.
--
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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