So I have a cube that has been cell fractured. And I selected all of them and used the fracture physics tool to have the cube react to a ball hitting it. but when I changed the setting for Enable Deactivation and Start Deactivation so that it won't start until the ball hits it, and press "copy from active" in the toolbar, the fractured cube won't move at all.

  • $\begingroup$ IS the sphere a rigid body object? If it is, and it's still not working, is it possible you could upload your .blend? $\endgroup$
    – gandalf3
    Commented Oct 1, 2014 at 1:11
  • $\begingroup$ well I looked into it further, and it was the rigid body speed settings. it was set to 0. now it works fine. $\endgroup$ Commented Oct 1, 2014 at 2:41
  • $\begingroup$ Feel free to add your own answer then :) $\endgroup$
    – gandalf3
    Commented Oct 1, 2014 at 6:23
  • $\begingroup$ oh right. He he. $\endgroup$ Commented Oct 1, 2014 at 16:30

1 Answer 1


Well I goofed. It turned out to be the rigid body world settings in the scene tab. Turns out the speed was at zero, so there wasn't any chance that the fractured cube could move.


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