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I'd like to have a group of debris fall from a ceiling onto the floor, but not have them drop all at the same time. Is there a way to set a keyframe that dictates when the object enters the simulation? For example, object 1 starts falling on frame 0, object 2 on frame 5, object 3 on frame 24, etc.

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up vote 7 down vote accepted

Yes, you can keyframe the Animated checkbox by hovering over it and pressing I:

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When Animated is enabled, the rigid body will be controlled with the animation system. When it is disabled, the rigid body will be controlled by the rigid body simulator.

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So can I set keyframes on this checkbox? Is that what you're suggesting? – Justin Apr 11 '14 at 3:45
@Justin Yes. When it is enabled, the object will not be controlled by the physics simulator. – gandalf3 Apr 11 '14 at 6:09
How do you apply this to a large number of objects at the same keyframe? – NᴏᴠɪᴄᴇIɴDɪsɢᴜɪsᴇ May 13 at 3:32
@NoviceInDisguise If the objects don't have any other conflicting keyframes, then Ctrl L > Animation data can be used to copy keyframes. – gandalf3 May 13 at 6:40
Im wondering what the use is than, if its animated it does not habe the physics. How can we have both worlds or is this not possible? – Rombout Versluijs Oct 28 at 0:34

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