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smbell

RBD velocity when active acting funny

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Posted (edited)

I'm working on a ground explosion scene where the RBD objects become active starting in the center of the source geo moving outwards and need to have some random velocity upwards. I'm transferring the active and animated attribute to the proxy geo points and the points have V set.

It looks like the velocity transfer on the first active frame is being greatly reduced on most of my pieces. They all should be moving upwards with similar V.

I've compared my setup with a few that I found here and I can't seem to see much of a difference, but I suspect it's coming from the translation to the newer RBD fracture workflow.

I have a simple representation the scene attached.

 

 

explosion_test_2.hip

 

explosion_test_2b.gif

Edited by smbell

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Posted (edited)

I think that maybe the pieces are getting stuck under/around others that aren't active on the same frame, so the impulse velocity is being robbed by the collisions.

Edited by smbell

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