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I have multiple rigid bodies and I want some of them being glued together in initial state and behave as a single object. Is there a way to keep them glued together and break apart at a later stage of the simulation?

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  • $\begingroup$ how should they "behave as a single object"? fall by gravity? roll down a slope? adding some more details will help to understand what you are trying to achieve... $\endgroup$ – m.ardito Nov 14 '17 at 22:26
  • $\begingroup$ @m.ardito All the objects have the same physics parameters, and when 2 of them should be connected they should have same physics behavior as a single mesh. $\endgroup$ – Denis Nov 14 '17 at 22:30
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You can use Rigid Body Constraint and keyframe Enable checkbox or set it to be Breakable (they will disconnect after collision - use Threshold value to control how strong this collision should be).

settings

Without Constraint:

without

With Constraint:

with

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