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Repulsion between physical and other objects

by Anderson Philbin :: Rate this Message:

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Hi,

I'm trying to build a rotating mechanism similar to a ferris wheel. llTargetOmega should do the trick but my problem is controlling the repulsion between the objects. For example, a hollow cylinder around a shaft will tear itself off the shaft if you change it to physical. The repulsion effect seems to die down at about 100-125 mm clearance.

I've left a hollow cylinder happily spinning about a shaft with end caps, all with 125 mm clearance. I come back an hour later and the cylinder is laying on the ground. I understand the repulsion is provided by Havok 4 when objects interpenetrate but I'm trying to find out how to measure it and, perhaps, control it. Also, there seems to be a friction effect too. My full-size object just binds, it doesn't rotate at all.

Is there any documentation on this? Should I be trying to independently move the components rather than using spacial contraints?

TIA

Anderson Philbin

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« Return to Thread: Repulsion between physical and other objects