After having a great deal of fun messing around with tank treads, I put
together a brief tutorial-like page to collect what I learned. It's largely
based
on Alan Jones' method described in an earlier post, plus other info I picked
up on the XSI Base thread, where 'AndreZX' came up with a great way to do
the up vector constraints.
I'm not sure I covered everything completely, or all that well... I haven't
yet been using XSI very long, and some things are still a bit murky. :) If
anyone sees any errors or omissions, please let me know.
http://home.comcast.net/~jgj252/AnimatingTankTreadsInXSI.htm
-Jim
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