KhronosGroup / KhronosGroup/UnityGLTF

Avatar ins't configurable and does not have TranslationDOF

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Dominant language
C#
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Description

When importing an avatar in `.glb` format and choosing `Mecanim Humonoid` as Animation Type, the avatar of the model is not configurable in Unity. Also, the imported model's avatar does not has the `TranslationDOF` option.

A normal avatar from an `FBX` does have a configurable avatar and the `TranslationDOF` option.

### **FBX Imported Avatar**
image from Normal Inspector View
![image from Normal Inspector View](https://github.com/user-attachments/assets/e4e74c7e-e793-4b14-9ffb-19025b4c2479)
image from Debug Inspector View
![image from Debug Inspector View](https://github.com/user-attachments/assets/ede5d54d-9391-4b6b-9c39-40a4ac208ac6)

### **GLB Imported Avatar**
image from Normal Inspector View
![image from Normal Inspector View](https://github.com/user-attachments/assets/b0168574-473b-4650-82f5-b8bcc6556c66)
image from Debug Inspector View
![image from Debug Inspector View](https://github.com/user-attachments/assets/c46b3526-a765-4639-81e5-4dc7a331dcbf)

Contributor guide

No contributing guide indexed for this repository

Research direction

Reproduce the issue in Unity by importing a .glb avatar with Animation Type set to Mecanim Humanoid, then compare its avatar inspector with the provided FBX behavior. Check whether the GLB avatar is configurable and exposes TranslationDOF; done means both options work consistently with the FBX-imported avatar.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp, unity
Domain
game-dev
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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