| Name | Description |
|---|---|
| DeactivationManager | Manages the sleeping states of objects. |
| SimulationIsland | A collection of simulation island members bound together with connections. An island is activated and deactivated as a group. |
| SimulationIslandMember | Object owned by an entity which lives in a simulation island. Can be considered the entity's deactivation system proxy, just as the CollisionInformation property stores the collision pipeline proxy. |