I am using blender for my model, I have used subdivision modifier and shape keys on same model. can I import it into three.js and use its shape keys while keeping the subdivision modifier on model. is this possible? Thanks in advance.
Thanks for you quick response, from that thread what I understand is that it is not possible to use both subdivision modifier and shape keys together with three.js. Am I correct?
You could subdivide in Blender before exporting - wouldn’t that be an option 
? (it may also be a better approach performance-wise.)
(Edit: related)
Subdivision, at least in three.js, is generating a whole new geometry. It’s slow and expensive and should probably be done once in advance. It is also completely incompatible with shape keys / morph targets. The SubdivisionModifier has many other limitations, and for several reasons it will not be available in three.js versions >r125.
Perhaps someone will write a more robust version of SubdivisionModifier in the future, or make OpenSubdiv work on the web, but I would not expect that any time soon. My suggestion would be to do any subdivision offline, in a tool like Blender. This should let you keep your morph targets, as well.
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