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From: v134kkut@ubvmsa.cc.buffalo.edu (David W Tinklepaugh)
Newsgroups: comp.graphics
Subject: clockwise in 3D explained
Message-ID: <42882@eerie.acsu.Buffalo.EDU>
Date: 26 Oct 90 23:25:43 GMT
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So far everyone has ridiculed the idea of 'clockwise' in 3D space.  It does 
exist, it was originally what I was looking for.  What the good folks were 
referring to was 'is the clockwise side of the polygon facing towards or away 
from the center of the 3D object?'

take for example a sphere; 'are the faces clockwise in 3D space?' means 'are
they facing the inside or outside?'

obviously using the center of the object as a reference will give errors in
some instances, but I believe it is the best automated way to do it.

I just hate to see innocent people get picked on  :)

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     /    -Dave-   U. of Buffalo     /    Wrap it up, I'll take it!   \    /
    /   v134kkut@ubvms (bitnet)     /      -Fabulous Thunderbirds      \  /
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