Bones rotating, euler and quaternions i suppose. 2004-03-24 - By darrin
Back
I just tried it from scratch
Firstly - Make sure Local is selected and not Add otherwise you will get
gimbal lock after 90 degrees.
Secondly - check the Animation (fcurve) editor making those linear or flat
tangents will help
Darrin Hofmeyr
animator
The Refinery
visit http://www.dazland.com for my stuff...
visit http://www.refinery.co.za for my workplace...
-- --Original Message-- --
From: Roberto Sarlenga [mailto:roberto_sarlenga@(protected)]
Sent: 24 March 2004 03:02 PM
To: XSI@(protected)
Subject: Bones rotating, euler and quaternions i suppose.
Excuse this stupid question, but hwo can I avoid this problem:
Create a bone.
Make it FK.
Key Rotation
Rotate it in local Y
Key Rotation
Rotate it in local Z
Key Rotation.
Hit play and what it does is not what I did, and the axis doing what they
want.
Just in case my explanation wasn�t clear I attached the script for
constructing the scene as txt
I need the movements to be really precise.
Thanks,
Rob
-- ---- ---- ---- ---- --
Create3DSkeleton 2.21565731166908E-02, 0, -2.21673592161488E-02,
4.67503692762186, 0, -2.21673592161488E-02, 0, 1, 6.12303176911189E-17
DeselectAll
SetAndToggleSelection "bone", , True
InspectChainProperties
SetValue "bone.chain.blendik", 0
SaveKey "bone.kine.local.rotx,bone.kine.local.roty,bone.kine.local.rotz", 1
SetValue "PlayControl.Key", 20
SetValue "PlayControl.Current", 20
Rotate , 0, -90, 0, siRelative, siLocal, siObj, siXYZ
SaveKey "bone.kine.local.rotx,bone.kine.local.roty,bone.kine.local.rotz", 20
SetValue "PlayControl.Key", 30
SetValue "PlayControl.Current", 30
Rotate , 0, 0, 90, siRelative, siLocal, siObj, siXYZ
SaveKey "bone.kine.local.rotx,bone.kine.local.roty,bone.kine.local.rotz", 30
-- ---- ---- ---- ---- ---- ---
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