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Question Help Unity create extra bones when import rig model from Maya

Discussion in 'Animation Rigging' started by fiatwiriya, Jun 30, 2021.

  1. fiatwiriya

    fiatwiriya

    Joined:
    Jun 27, 2018
    Posts:
    12
    Hi I'm pretty new to rigging. So I just rigged a character model and try to import to unity. Everything seem to be working but when I check bone renderer in Unity there are a few extra bone that should not be there. Any suggestions ? thank you so much for your help

    In maya
    Screenshot 2021-06-30 165539.png

    In Unity with bone renderer
    Screenshot 2021-06-30 165614.png
     
    fiatwiriya, Jun 30, 2021
    #1

  2. giantkilleroverunity3d

    giantkilleroverunity3d

    Joined:
    Feb 28, 2014
    Posts:
    383
    Yep. That is correct but not what works.
    Here is the Blender group that talks about the fix: https://discord.gg/7QwQS5x5
    I use Blender, Mixamo, Umotion and FinalIK because I need fingers and facial movements.
    These requirement start the biggest of nightmares as not many developers are needing these.
    The path that you have taken is fraught with immense unknowns.
    I started 3 years ago with an idea. 2 years ago I just started digging into the software processes. 1 year ago I had to really dig into my work. Over the last 6 months I tried and tried all the obvious attempts. Don't even bother. Because when you get to the Unity animations you will find things that don't work based upon previous unknown options or corrections you don't know or understand now. Not judging. The headaches, time suck, and frustrations are real.
    The connection is based on the bone names and hierarchy and THEN the switches.
    The RTFM and 'You just have to figure it out' are not acceptable answers. Also you have to realize what camp the posters are in, i.e. Maya, Blender, Acad version and no concept of standards or their work ending up outside their work environment.
    The mentioned apps create their own rigs but Unity is particular as to what it wants. Finding cohesive documenation about this is a job. That is why I posted the pic.
    Just a fair warning here.
     

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    Last edited: Jun 30, 2021
    giantkilleroverunity3d, Jun 30, 2021
    #2

  3. davehunt_unity

    davehunt_unity

    Unity Technologies

    Joined:
    Nov 13, 2017
    Posts:
    32
    Yes, you can easily fix this so the bone renderer doesn't display unwanted transforms as bones. To do this, select the game object with the Bone Renderer component. In the Inspector expand the Transforms section and you can right-click on any transform you don't want to see as a bone and Delete Array Element. Sometimes I like to add the Bone Renderer component to the hips bone directly in order to avoid showing the top level transforms.
     
    davehunt_unity, Nov 15, 2021
    #3