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RootBoneのないBlendShapeの処理がおかしい? #753

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anatawa12 opened this issue Nov 28, 2023 · 2 comments · Fixed by #760
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RootBoneのないBlendShapeの処理がおかしい? #753

anatawa12 opened this issue Nov 28, 2023 · 2 comments · Fixed by #760
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@anatawa12
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https://twitter.com/tbbsakura1/status/1729357806867001368

Body(Skinned Mesh)にAAO Remove Mesh 2種類つけてると、
関係ない和傘のSkinned MeshがAAOで書き換えられて
傘のBlendShape変形が意味不明形状になるという謎の状態に…

アバタールートに MA Mesh Settings をつけたらうまく動くようになった！仕組みはよくわかんないけどなんかすごい笑
@anatawa12 anatawa12 added the bug Something isn't working label Nov 28, 2023
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Reproduced with https://booth.pm/ja/items/1054593

anatawa12 added a commit that referenced this issue Nov 29, 2023
@anatawa12
fix: Workaround BlendShape broken bug?
771d02f 
I could not find root cause of this bug so I added workaround instead.

I know that
- If I instantiate the generated mesh, broken BlendShapes will be fixed
- If I duplicated the generated mesh with command + d, broken BlendShapes will be fixed
- Even if I moved `AddBlendShapeFrame`s before setting triangles, this will not be fixed

So, as a workaround, instantiate mesh to avoid this bug.
I want to test this after dropping Unity 2019.

See #753
This was referenced Nov 29, 2023
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@anatawa12
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当面の結論: Unityのバグっぽい

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fix: Workaround BlendShape broken bug? anatawa12/AvatarOptimizer
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