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Old 09-24-2009, 09:31 AM   #1
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brisbane, Australia
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Active Rigid Bodies and getAttr -t

Having trouble using getAttr to grab an attribute at previous frame for an active body.

For example, if a new attribute p1 has an expression:

pCube1.p1 = `getAttr -t (frame-1) pCube1.translateX`;

this works fine whilst the body is passive, but when it's active, translateX returns the current X position, not the previous frame's.

I can sort of understand why it fails. getAttr would somehow have to access a previous state in the solver.

But a workaround?

(btw, an active rigid body doesn't have a predefined velocity attribute does it?)
Old 09-29-2009, 02:28 AM   #2
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Jeremy Raven
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Baking keys works.
Old 09-29-2009, 02:28 AM   #3
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