glTFast
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Resample and optimize imported animation curves (similar to Unity's built-in FBX importer)
Is your feature request related to a problem? Please describe. Unity's built-in FBX has options to resample imported animation curves, which reduces the amount of keyframes by a lot.
The sample animation as .fbx:
And as .glb:
See the huge difference in the number of keyframes.
Describe the solution you'd like
Something similar to Unity's FBX importer settings:
Describe alternatives you've considered Uh... using FBX instead...?