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View Full Version : IK FK Snap Problem (3DS Max 9)


Guibou
02-23-2009, 10:22 PM
Hi everyone, I made an arm set up that uses IK and FK animation. I have a custom attribute holder that holds my Blend option, my snap options and the control ("Elbow Control") of the Swivel Angle of the IK arm (i'd prefer not using an object as target).

Snap from Fk to Ik.. no problem.

My problem is the snap from Ik to Fk. I have a variable (elbowFk type:#float) in my attribute holder that is being driven by the Shape controlling the X axis rotation of the Fk Arm (orientation of the elbow). So this variable is wired to the rotation of the X axis (RadToDeg X_Rotation).

When performing the Ik to Fk snap the value of "Elbow Control" matches the elbowFk value. This works, in part, but as soon as I apply rotation on the "Fk Elbow" and try to snap the Ik to the Fk again, it doesn't work.

I've attached a jpg illustrating my problem with screenshots. I hope it's comprehensible.

Thanks for your time and have a nice day.

Guibou
02-26-2009, 03:11 AM
I guess i'm not clear.... :(

sidvici
02-26-2009, 02:05 PM
sounds like u didnt have an FK swivel build in ur system, mabye eek's tut on FK/IK snap could help:

http://forums.cgsociety.org/showthread.php?f=54&t=323276&page=1&highlight=fkik

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