a simple rigidbody test,used maya and plugin physX,added some smoke. there is about 5000 rigidBodys,and the simulating speed is 4sec/f.using physX will be fast, i switched the active and passive status to control what time a rigidbody start to move,and also,i set initial velocity for every rigidbody using expression,so they looks some exlosion effect,not just drop down.the expression i wrote is not very efficient,i don't kown if there is a good solution to give a initial velocity to a rigidbody who is switching to active from passive rigidBody,anyone have a better idea,plz,teach me,i really need a solution,because every time i finish a work with the expression i wrote,the scene will be broken.i must render it out immediately without closing maya...

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