[FIX] B3DRotationFix
schwa at cc.gatech.edu
schwa at cc.gatech.edu
Thu Jun 20 05:18:28 UTC 2002
from preamble:
"Change Set: B3DRotationFix
Date: 20 June 2002
Author: Joshua Gargus
Before this fix, the following erroneous behavior was observed:
(B3DRotation from: 0 at 0@1 to: 0 at 1@0) angle => 0.0
(B3DRotation from: 0 at 0@1 to: (0 at 1@1) normalized) angle => 180.0
This changeset fixes the problem, also addressing the special cases of
rotating between parallel vectors with both the same and opposite
orientations.
"!
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