Subdividing/smoothing (rounding) an already animated/rigged 3d model?

Unity Engine
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Hi there!

Does anyone know of any tool/technique/assets (I only found like 1-2 that subdivide the polygon count (and smoothing/rounding (like meshsmooth/turbosmooth/opensubdivision (catmull-clark subdiv)) an
already rigged/animated model (like say a bought character human/animated asset with the rig/animation and everything already made);

-So far found that you could transfer the ‘vertex weights’ to another model (one that would have more resolution and would keep the skinned mesh animated vertex data)…there is 1-2 assets that transfer vertex skinning…to another model…(skin/animation data remapping to new model that is just the low model but subdivided in polygon count)

-Using meshsmooth/subdivision in Blender - it destroys the vertex data from the lower-res animated model…

-Using a smooth/relaxing modifier (that rounds the model…but does not add any polygon subdivision…)

-At the least, just any rounding/smoothing script/tool that ‘softens/relaxes/rounds’ the hard edges/3d shape?

Thank you for any help.

2

If you can import the model into Blender, I’m pretty sure that the Blender’s subsurface modifier will work while preserving the vertex weights. It uses catmull-clark. You can also mark edges where you want to preserve the angle, so that your model doesn’t go all pillowy like if you just subdivided everything.

The draw-back will be that there might be some funny business when go to export the modified FBX. I recommend this plugin when exporting again:

The plugin seems to export a file with correct transforms at the top level.

1 Like
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Thank you very much!