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Forums Maxon Cinema 4D How do you control simulations outcome?

  • How do you control simulations outcome?

  • Brian Ure

    September 8, 2021 at 2:14 pm

    Hello, community. I have been learning C4D for a little over a month and I have decided to start messing a little bit with animation.

    I have set myself to make a GIF looping animation, for which I want a phone charger model I have created(only charger no cable. Rigid body) to fall from a height, make it seem like it’s going to fall and fit right into a charger receiver(structure with two holes like a wall plug would) but actually miss it and bounce off it, then bounce some more off a couple of walls and floor(all angled in funky ways, non-90ª angles) and almost magically end up again where it’s supposed to be and pleasantly fit right in this time.

    I know it might be hard to follow with no illustrations but hang in there because the only part that really matters is: How can I simulate gravity, let it do its thing, maybe bounce three times, and after the last bounce, deliberately control the simulation to guide it to where I need it to end? I want to of course create the simulations so that the charger does kind of end up naturally heading where it’s supposed to, but sort of maybe in the last few frames tweak the forces acting upon my object so orientations, position, and deceleration all work together to make my object make that incredibly improbable landing?

    Now maybe I’m way off and the way to do it is to cut the simulation altogether and completely take over with keyframes after some point, but that seems to me like I’m going to have to be really good at animating physics by hand. But as I said, I have no idea, I am only learning. I would love to know how YOU would take on this project was it yours!


  • Michael Szalapski

    September 8, 2021 at 4:49 pm

    You can keyframe up the follow position and follow rotation parameters in the simulation tag. The higher that is, the more your object will try to follow the position and rotation you keyframe it to be.

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