Rookie Dynamics Question

[Joey van Dijk]

Hi Creative Cows!

At the moment I’m exploring C4D’s dynamics. I’m working on a project where a ball bounces through a scene end eventually lands through a hoop.

The problem I’m facing is that whenever I add something new to the dynamic system (for example adding a collider tag to a new object), the whole dynamic animation changes slightly. Even if that object is nowhere near the previous ball or other objects. Is there a way to turn off this randomness whenever a new dynamic object is added?

To make this more clear: In this scene the ball will bounce perfectly from the catapult to trampoline 1 then to trampoline 2 and then into the basket. But whenever a new collider body is added to the scene (not even interacting with anything) the ball will bounce from catapult to trampoline and then miss trampoline 2.

Hoping someone can help me out 🙂

[Michael blaq]

Greetings Joey,

It will be great to see a gif or a link to a sample of your dynamics scene. What I do know about cinema 4D dynamics is, not relying on the the playback sim in your viewport but rather cache your dynamics each time the scene is tweaked to get the right results when rendering.
As well as finding the best values for your substeps and scene scale under the bullet attribute panel.
https://www.youtube.com/watch?v=ETTHZZPKAsk

It’s imperative to cache your scene file with dynamics before hitting the rendering button to prevent simulation glitches.

On the other hand, it will be great to explore guided dynamics simulations for better results especially with a scene like yours. Thus, hiding collider objects and or dynamic forces in your scene to art direct the ball sim. Cheers!

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