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jamison1

RBD Buoyancy Icebergs Floating With Bullet

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Hi,

The problem is getting RBD Bullet pieces to floating properly:

Icebreaker_fake_Buoyancy_Bullet_SpinningProblem.mp4

IceBreaker_Ship_PopForce_VexMask.mp4

 

im running into problem simulated flat sheets of ice being buoyant in a volume. I can get them to rise to the surface with PopFloatByVolume and also a fake popForce with vex using the pieces depth to mask the upward force. 

The problem is getting them to not spin around the packed bullet point per piece, and instead have proper per point of the mesh have force applied as per proper buoyancy would. So they lie flat once they get to the surface of the water volume!

Struggling with the PopFloatByVolume spin settings, and PopSpinByVolume doesnt seem to play ball either.

Im trying to go down the setPrimIntrinsic route, where i could blend slowly the rotation to be flatter as they get to near the surface, but im not hitting gold yet and would be great to know if theres a better route.

 

any ideas or approaches would be amazingly appreciated. attached the hip file with where im at.

 

IceBreaker_PopFloatVol_CustomVolumeInput_005.hiplc

 

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