Subject:
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Re: Inverse matrix?
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Newsgroups:
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lugnet.cad.ray, lugnet.cad
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Date:
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Sat, 7 Apr 2007 23:59:48 GMT
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Viewed:
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7280 times
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> > Just take the transpose of the 3x3 world rotation matrix and it
> > should work as
> > the inverse. Transpose means swap diagonals M[1,2] <=> M[2,1] etc.
>
> I mean swap the OFF-diagonals, leave the diagonals as is.
>
> > If this doesn't work I've misunderstood you.
I learned my matrix math from a 3d game programming book and I have
no idea what the diagonals are... I was going to look it up but I
got Travis' code to work!
http://firebolt.scl.utah.edu/public/lugnet/inverseMatrix.mov
(I might still look it up as I may need to know about it)
James
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