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Whenever I create an animation with UMotion, I use the IK rigging function and everything attached to it, however, when I export the clip and load it into the standard animation editor, it seems to have no way to visualize the IK movement, so when I switch into play mode, my mesh (in this case a dragon) spasms around after each frame. Wings, tail, neck and torso just twist around and I have no idea how to fix that. I really need help on this, thanks in advance

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answered by Expert (164k points)
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Hi Yannick,
thank you very much for your support request.

Update: Fixed in UMotion V1.16p03.

Do you have the FK/IK Blend channel set to 1 (= IK)? This channel is displayed in UMotion when you select your IK handle (in the Pose Editor under "Channels"). It is used to determine if the Mesh should follow the IK or the FK rig and can be used to smoothly blend between both rigs. More information can be found in the related IK tutorial: Inverse Kinematics - UMotion Official Tutorials

If this doesn't help you fix the issue, please provide some further information. You could post a short video or gif demonstrating the problem. Or you could send me an empty Unity project that just includes everything I need to reproduce the problem on my end (i.e. the UMotion Project and the related model, without textures if you want) via the email support form.

Best regards,

commented by
Thank you for your reply, however I'm still stuck with the same issue. I did send a support ticket with files attached to it, though I'm not sure if it actually sent it away so I'm gonna post the referenced videos to my problem in here again. I can also send you a slim version of my project, but it exceeds the 20mb limit.
https://streamable.com/79hpq - FK to IK blend
https://streamable.com/r61p6 - Neck IK to FK not working properly
https://streamable.com/goryh - Twisting movements

commented by Expert (164k points)

Thank you very much for the additional details.

This problem is a regression bug introduced due to a fix I've made in the V1.16p02 release. I've been able to fix this issue in V1.16p03 and am sending it to the Asset Store later today (should be available within 2 working days or less). This problem is related to this bug report.

Thanks for reporting and I'm very sorry for the inconvenience.

Best regards,

commented by
Thank you so much, I'm glad it was just a bug because I was sitting there yesterday all day trying to find my error. Now I can finally export it correctly.

Best regards,

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