Bones rotating, euler and quaternions i suppose. 2004-03-24 - By Roberto Sarlenga
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Darrin,
I worked in local y and converted the Fcurves to linear, but it still works
bad.
If you made it work pls email me the scn privatly!
Thanks,
Rob
-- -- Original Message -- --
From: "darrin" <darrin@(protected)>
To: <XSI@(protected)>
Sent: Wednesday, March 24, 2004 10:35
Subject: RE: Bones rotating, euler and quaternions i suppose.
> 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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