6 Rigid Bodies Skeleton streaming to Unity

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francesco.next
Posts: 1
Joined: Thu Aug 01, 2019 8:41 am

6 Rigid Bodies Skeleton streaming to Unity

Post by francesco.next » Fri Aug 02, 2019 1:27 am

Hello,

I have been trying to stream a 6 Rigid Bodies Skeleton from Motive to Unity following this tutorial:

https://v21.wiki.optitrack.com/index.ph ... _Markerset

I've been able to create the skeleton properly in Motive and then to stream it to Unity.

However, the avatar in Unity appears twisted around several joints (knees, waist, shoulders, elbows, neck,...).
I have tried rotating the dummy (that is wearing the rigid bodies) along its vertical axis, and the avatar untwists itself only when the dummy is facing a specific direction, but retwists itself as soon as it's rotated toward another direction.

The skeleton in Motive follows the movement correctly, I'm only facing an issue with Unity.

Has anyone faced this issue before?
Could it be due to an incorrect placement of the Pivot Point on the Chest or Head?

I'm using Motive 2.1.1 Final and Unity 2018.3.0f2.

Thanks in advance,

Best,

Francesco

desmond13
Posts: 2
Joined: Thu Jul 09, 2020 7:05 am

Re: 6 Rigid Bodies Skeleton streaming to Unity

Post by desmond13 » Thu Jul 09, 2020 7:25 am

Hi, did you find a solution to this in the end? One thing that you should take definitely into account is that Unity is using a left-handed reference frame while Motive a right-handed one (as far as I know). I hope this might help.

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