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View Full Version : Gimbal Lock & XSI2 ?


sumatra_xsi
03-29-2002, 12:00 PM
The gimbal lock is caused by X and Z axis being in the same order after rotating the Y axis 90/-90 degrees


www.edharriss.com

Tutotials / Animation

Gimbal Lock
by Stefan Andersson

i tried this (for v1.5) tutorial but i couldn't overcome it

any ideas?

mr-doOo
03-29-2002, 02:49 PM
do you tried in IK or FK? normally this is an IK problem...

Atyss
03-30-2002, 10:04 AM
Bonjour,

You may take a look at those links:


http://www.isner.com/tutorials/quatSpells/quaternion_spells_14.htm
This explain how to use quaternions in XSI. The normal rotation system is the Euler system, wich sometimes results in gimbal locks. The quaternions are another system, and rotations is calculated differently. Heavy reading, though.

http://www.anticz.com/eularqua.htm
Nice little site. The explanation is more for 3ds max, but general enough to be applicable to XSI.


Hope this helps
Salutations - Cheers
Bernard Lebel

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