GLB animation import problem

Hi, I have a problem with the animations of a GLB imported character.
Skeletal mesh looks okay but when I implement animation there are some weird stretching problems.
This is skeleton

when I put animation :

As you can see it is very strechy. I tried other animations that I imported. Problem is the same.
I checked GLTF viewer, there is no such a problem like in unreal


How can I fix it?
Is there anything I should change in GLB import settings?

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Which version of unreal engine are you using?
Can you share the model with us (in private)? so we can try to reproduce.

Hi from a late reply :smiley:
Can you give me an email?

Okay, I can reproduce your issue.
I am wondering if it might be coming from the scale of the model.
I will create a ticket and pass it to dev to have a look

I solved the issue for this. League models have bones outside of the root bone. You must add a bone in blender, then select all the bones and press control P and then select “keep offset.” This puts all the bones under a root folder and the model can then be exported as an fbx. Make sure to bake the animations.

2 Likes

I am going to try the solution you typed and come back, thanks for the attention

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Hi, i’m having similar problems. Did the Blender trick solved them for you? Not a Blender user so i may have messed something up but it’s not working for me and actually is causing several problems in animation

Hi I’m currently having the same problem so it would be great if I can also have the solution for it too

Do you have the model for us to try to repro.
This should have been fixed. At least, bear animation are fixed in 5.5

Yes I do, should I email it to you? And can it be fixed with 5.3?

I will contact you in DM.

We will not fix it in 5.3, if you do not mind rebuilding from source, I could try to find the fix we did in 5.5 and you could apply it to your 5.3 code base.

Can you contact me too? I am still trying to fix the problem