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Date: Thu, 15 Sep 94 07:14:09 -0600
From: Steve Koren <[e-mail]>
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Subject: Shadows from hell
X-Phase-Of-Moon: the moon is waxing gibbous (81% illuminated)
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> find that my ray-traced shadows are not working properly. What i mean
> by this is that shadows are being cast, but their shapes are all
> wrong. I get a random assortment of square and triangular shadows all
> jumbled together, as if the light came through a torn up piece of
> paper. This ONLY occurs on the desklamp object (though it might occur

Could some of your polygons perhaps be flipped?  I don't know if that
would affect raytraced shadows, but it sounds from your description as
if certain polys are not casting shadows and others are.  If making them
all double-sided helps, then you probably have some flipped.

For what its worth, ray trace shadows work fine for me even on complex
objects.

  - steve