remember Physics Box State
@Composable
Remembers a PhysicsBoxState instance for controlling world-level behavior.
This state intentionally exposes only coarse-grained mutable values (pause, gravity, step config). Per-body transforms should remain in the runtime snapshot to avoid broad recompositions on every simulation tick.
Parameters
initial Is Paused
Initial pause state.
initial Gravity
Initial world gravity vector.
initial Step Config
Initial step configuration.