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Imported GLB with animation does not animate in AE

Enthusiast ,
Apr 30, 2024 Apr 30, 2024

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Steps to reproduce:
1. Import this GLB into AE: https://www.filemail.com/d/xyutldhxgdvybez

2. Create a new comp with it by dragging it onto the New Comp icon

3. Choose either of the Actions under the layer's Animation Options

4. Play the comp

 
Result: No animation


Expected: The torus should animate, as it does when viewed in any other GLB viewer (eg. Windows' 3D Viewer app or any online GLB viewer). Does AE not support animation in GLB files?
 
System info
    Application: After Effects (Beta) v24.5.0.23
    OS: Windows v10.0.19045, RAM: 127.91 GB GB, CPUs (logical): 32

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Bug , Error , Question

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correct answers 1 Pinned Reply

Adobe Employee , Apr 30, 2024 Apr 30, 2024

GLB is the format that supports animation. We'll take a look at the file and see what is going on.

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8 Comments
Adobe Employee ,
Apr 30, 2024 Apr 30, 2024

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GLB is the format that supports animation. We'll take a look at the file and see what is going on.

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Adobe Employee ,
Apr 30, 2024 Apr 30, 2024

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Loading it up in the Windows Viewer, only Animation 1 seems to animate. Animation 2 seems not to move. Is that your experience too?

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Enthusiast ,
Apr 30, 2024 Apr 30, 2024

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I think there is only one animation on it (the ripply deformation). Not sure how that other animation option crept in there.

But I've tried many other animated GLBs, and I cannot get any to animate in AE.

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Adobe Employee ,
Apr 30, 2024 Apr 30, 2024

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You could try this one https://t.co/WKmYBsJYLM

 

It's the one we did our announcement of the feature with. I know that one works. 

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Enthusiast ,
Apr 30, 2024 Apr 30, 2024

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Indeed - I've just imported it and that T-rex model does work exceptionally well!

 

I wonder what I'm doing wrong during the export process from Blender > GLB > AE?

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Adobe Employee ,
Apr 30, 2024 Apr 30, 2024

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Hi, Paul. We've assigned the bug to one of our developers. Thanks for reporting this.
Best, Tom

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Enthusiast ,
May 01, 2024 May 01, 2024

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Hello @jenkmeister ,

From talking to people on the Blender forum, apparently "the GLB format does not directly support vertex animation (which is what you’re using in the displace modifier) that is done with the Alembic format. However, GLB does support Shape keys, so if you export the animation with those then the displacement animation will work."

https://blenderartists.org/t/glb-gltf-export-cant-bake-modifiers/1527614

Don't know if that's any help?

 

There was talk, some time ago, of AE supporting Alembic file format...any news on that front yet?

 

Thanks,

Paul

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Adobe Employee ,
May 30, 2024 May 30, 2024

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Hey, Paul. The GLB animation that you provided uses is a Morph Target animation. AE does not currently support this type of animation. Possibly down the road. 

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