An abstract group identity that can be shared by a set of physics objects. Each group is globally unique across all worlds.
Create a group with PhysicsWorld.CreateGroup and assign it with PhysicsShape.physicsGroup. A default group has a PhysicsWorld.PhysicsGroup.groupIndex of zero, meaning no group.
| Property | Description |
|---|---|
| groupIndex | The group index. The value is unique per group; a value of zero means no group. |