Creating specific physicsworlds for immediate physics?

Unity Engine
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1

I would like to predict the trajectories of certain bodies in my simulation and am considering
Simulation.StepImmediate. I looked at the pool example and largely got it to work. Im struggling a bit obtaining specific PhysicsWorlds though. For instance, I would like to have a PhysicsWorld that contains all static bodies and a specific subset of dynamic bodies. Any ideas on how to set this up?

2

You can create the other PhysicsWorld and control what goes into it. One option is to copy the bodies (and their motions) from the main PhysicsWorld.
Iā€™d recommend looking at the UnityPhysicsSamples\Assets\Tests\SingleThreadedPhysics\Scripts\SingleThreadedPhysics.cs example.

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