dynamica maya

Physics APIs, Physics file formats, Maya, Max, XSI, Cinema 4D, Lightwave, Blender, thinkingParticles™ and other simulation tools, exporters and importers
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haggi
Posts: 2
Joined: Sun Jan 13, 2013 10:32 pm

dynamica maya

Post by haggi » Sun Jan 13, 2013 11:13 pm

Hi,

I'm just starting with dynamica and maya. I shattered my geometry with houdini and imported it as obj. Then I created rbd's with a 0.0 geometry offset. Then I added some impulse rotation to the rigid bodies. Works fine so far. The speed of the simulation is a bit slow, I think it's because of the scaling. I think one maya unit is one meter in bullet? Okay downscaling makes the simulation faster. But in both cases I get jittering objects as soon as the objects should be resting. As an alternative I tried to increase gravity what works but gives me jittering objects as well.

Here are the tries:
http://www.haggi.de/zeuch/largeScale.mov
http://www.haggi.de/zeuch/smallScale.mov
http://www.haggi.de/zeuch/smallScaleHighRot.mov
http://www.haggi.de/zeuch/smallScaleHighGrav.mov

Any ideas how to get rid of the jittering? Is the only way to try to increase the damping until the objects stops to move?

mBakr
Posts: 53
Joined: Thu Aug 05, 2010 5:57 pm

Re: dynamica maya

Post by mBakr » Mon Feb 11, 2013 6:50 am

are those meshes or hulls? i have seen this when using the hull rigid body option on concave shapes. try using the mesh option when converting the pieces to rigid bodies.

haggi
Posts: 2
Joined: Sun Jan 13, 2013 10:32 pm

Re: dynamica maya

Post by haggi » Mon Feb 11, 2013 11:32 pm

It's all meshes, no hulls.

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