Ray-Tracing : 2473


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Subject:	Matrix math tutorial
Newsgroups:	lugnet.cad.ray, lugnet.animation
Date:	Thu, 29 Sep 2005 17:34:59 GMT
Viewed:	13221 times

Hi all, Occasionnaly people ask help for matrix math, so here are some interesting tutorial links: <http://www.gamedev.net/reference/programming/features/vecmatprimer/ Part 1: Vector math tutorial> <http://www.gamedev.net/reference/programming/features/vecmatprimer/page2.asp Part 2: Matrix math tutorial> And, of course: <http://www.ldraw.org/reference/specs/fileformat The LDraw matrix format> The 3 documents should be sufficient for any LDraw user or developper. damien <http://perso.wanadoo.fr/alphablock/ my lego web page>

Message has 1 Reply:

		Re: Matrix math tutorial
(...) I forgot to mention: keep in mind LDraw uses row-point-coordinates whereas the (otherwise excellent) tutorial uses column-point-coordinates, that means any transformation matrix given in the tutorial has to be "transposed" before being used in (...) (19 years ago, 29-Sep-05, to lugnet.cad.ray, lugnet.animation)

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