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Motionbuilder parenting issue

polycounter lvl 5
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AGoodFella polycounter lvl 5
Hey

Got an issue. I'm trying to parent a weapon to a hand in MoBu. When I do, the weapon snaps to a random position. I even tried to do a parent/child constrain as well and the issue still persists.

Here is what I mean:

https://youtu.be/gvzvT8H-tW4

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  • Axi5
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    Axi5 interpolator
    It's inheriting the parent's transform and adding it's own transform when you apply the parent. Zero out the mesh in the world first, then parent it.

    Think of it like this:
    child = 3
    parent = 1

    Parent the child to the parent and it'll be 1 + 3 = 4.

    It's doing that but in 3 dimensions. You may want to zero out your rotations too.
  • AGoodFella
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    AGoodFella polycounter lvl 5
    Axi5 said:
    It's inheriting the parent's transform and adding it's own transform when you apply the parent. Zero out the mesh in the world first, then parent it.

    Think of it like this:
    child = 3
    parent = 1

    Parent the child to the parent and it'll be 1 + 3 = 4.

    It's doing that but in 3 dimensions. You may want to zero out your rotations too.
    Fixed it. Deleted weapon. Re-imported it. Did exactly the same steps as before. Now it works. Frigging MoBu...

    I made sure I froze the transforms and rots in Maya before sending to MoBu. Then I move and rotated the weapon to fit the hand before parenting.

    Anyway, I managed to fix it.

    Cheers.
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