a new semi blender noob here..

I have a flying cube animation running, and the cube has parented cube face panes/images. I need, let's say at frame 200, the 'faces' to lose the parent and fall down on the ground. I can't get it to lose the parent at a specific moment. Also tried with faces as 'child of'.. but then the position is gone etc.. I'm stuck here.. Any help would be much appreciated.


ok.. found it.. i have two cubes, that are being flipped around and are rigged bodies. The 'child of' faces lose 'it' when they collide. When i add rigid body to the faces all animation seems to be 'corrupt' .. In the end.. i like the cubes to collide and that the 'child of' faces then 'spray' away a bit because of the collision and drop on the floor..

two cubes + faces flying around

the 'child of' is gone after collision

should i re-do the whole animation and rigid body the face from the start and make it active (or so) when they collide? I'm quite confused atm.. haha.. sorry.. noob


1 Answer 1


Use the Child Of constraint. At the frame before the parent drops, create a LocRotScale keyframe for the child object and create a keyframe on its contraint Influence at 1. Next frame, create a Visual LocRotScale keyframe, and create a keyframe on the constraint Influence at 0. Don't worry if the child jumps back, it will take the visual location keyframe into account when you'll play the animation

Or use the Dynamic Parent addon.

As for your second question, you need to give your child object a Rigid Body and keyframe the Animated option: keyframe with the option on and when the next frame keyframe with the option off, see what it gives:

enter image description here

As your initial question has changed, check my new answer here.

  • $\begingroup$ Hi,thanks for being quick and clear!! I'll have a go with it. Thanks again! Tuuur $\endgroup$
    – Tuur
    Sep 8, 2021 at 11:59
  • $\begingroup$ if you meet any difficulty, please tell me. When you'll put the Influence at 0 don't worry if the child jumps back, it will take the Visual location into account when you'll play the animation $\endgroup$
    – moonboots
    Sep 8, 2021 at 12:02
  • $\begingroup$ Hi, this seems to do what i need.. i think.. but now i try to let the de-parented faces drop to the ground.. Actually, two cubes collide.. i like the 12 face to de-parent (which works) and now i like to make the faces drop to the ground following the physics... $\endgroup$
    – Tuur
    Sep 10, 2021 at 9:05
  • $\begingroup$ Hello, it's hard to help without additional pictures, etc, if you want to use physics, use Rigid Body, and create keyframes on the Animated option so that physics begin to act whenever you want $\endgroup$
    – moonboots
    Sep 10, 2021 at 9:10
  • $\begingroup$ thanks again! i have a go on that.. when not successful i'll prep some pics etc.. $\endgroup$
    – Tuur
    Sep 10, 2021 at 9:28

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