blend between rigid and non-rigid simulation

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knekke
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Joined: 09 Jun 2009, 09:59
Location: Sweden

blend between rigid and non-rigid simulation

Post by knekke » 09 Mar 2011, 10:04

Hi,
i have a ICE-particle simulation and I want these particles to behave as rigid-bodies for some time and then go back to normal simulation.
How would i set this up?
I tried a new state (i'm using the state-machine for different stages of the simulation) with simulate-rigid-bodies plugged in, but as soon as i do that SI freezes or is calculating forever.
Do i need a separate ICE-tree or even pointcloud for that?
Any suggestions are welcome...

Thanks,
Thomas

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Hirazi Blue
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Joined: 04 Jun 2009, 12:15

Re: blend between rigid and non-rigid simulation

Post by Hirazi Blue » 09 Mar 2011, 11:18

Not sure, but in a simple setup I tried here, using an IF node and a condition to switch between true and false seems to work... (the operative word being SEEMS!)
;)
Stay safe, sane & healthy!

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origin
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Location: warsaw

Re: blend between rigid and non-rigid simulation

Post by origin » 09 Mar 2011, 12:22

If you expand state compound you will see that is has simulate particles node build in, so be aware of that

knekke
Posts: 11
Joined: 09 Jun 2009, 09:59
Location: Sweden

Re: blend between rigid and non-rigid simulation

Post by knekke » 09 Mar 2011, 13:46

Thanks for the answers!
I just tried:
IF StateID == 3 -> use rigid-bodies simulation, else normal

and the other approach after reading origin's post:
in the State3-compound substitute Simulate Particles with simulate rigid-bodies-particles

Both seem to work as long as I have about 100 Particles... above that it gets real slow till nothing happens at all.

I guess I have to rebuild my tree to get rid of the State machine, use rigid-bodies all the time and only enable collision when i need it.

cheers!

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