Directly load mdd file for vertex animation in three js

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Prior context (for anyone stumbling across this thread) is this workflow:

  1. Create a complex vertex animation in Blender.
  2. Export to MDD.
  3. Import the MDD back into Blender as shape keys (morph targets).
  4. Export to glTF.

This bakes out the MDD file into keyframed morph targets, which as the OP writes would increase its size. I don’t think Draco will help in this particular case. You can compress this glTF file with gltfpack, that would be my suggestion.

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