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a1840ec408
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3 Commits

Author SHA1 Message Date
Nathan Vegdahl
a1840ec408 Cleaned up implementation of ray/triangle intersection test. 2017-07-10 00:39:09 -07:00
Nathan Vegdahl
71bdf203aa Fixed bug in mesh intersection code. 
Very small triangles were being missed because of the
not-so-robust ray-triangle intersection algorithm I was using.

Switched to the algorithm from the paper "Watertight
Ray/Triangle Intersection" by Woop et al.  Happily, the new
algorithm doesn't seem to measurably slow down renders at all.
 2017-06-18 20:51:53 -07:00
Nathan Vegdahl
f4445417dc Reorganizing the module tree. 
Enough things had accumulated that it seemed to make sense to
group some stuff together.  So here it is.
 2017-02-14 00:14:08 -08:00