Reactor Question



I’m trying to figure out how to make 2 balls drop at different specific times. The first ball I want to have drop at frame 50, and the second at frame 100.

To make the first start at frame 50, I simply start the simulation at frame 50. Gravity takes effect, and the ball falls.

But I can’t figure out how to prevent the second one from falling immediately, and make it’s animation begin 50 frames later.

At first I thought I could just set the mass of the 2nd ball to zero, then at frame 100 set the mass to a real value (so gravity would start to have an effect). But apparently you can’t animate the physical properties of reactor objects. Can this be correct? Are physical properties really not keyframe-able?

What’s the proper way to accomplish the time offset of the 2nd ball?



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