Hello. I am new to Three.js and Blender. I have animated an expression in Blender. When I import the animation using GLTFLoader, the animation exists and plays, but the pose is not identical. It seems that blending the morph targets is not the same, almost as if some targets are preventing others from working.
In Three.js, it seems that the keyframes that are not blending are:
I have uploaded the GLTF to https://gltf-viewer.donmccurdy.com/ and the animation there is also missing the blending of the keyframes so it seems to be an issue with the GLTF export process, or the Blender file has something that is not supported.
I have a keyframe animation in blender:
When I use GLTFLoader I get the following animation in Three.js:
Blender File:BoyAnimation.blend.zip (3.1 MB)
GLTF:boy.glb.zip (3.2 MB)