CollisionListener
physics/rigid-body.types.ts:171A listener for RigidBody collision start/end events. See CollisionEvent for the payload and RigidBodyOptions.onCollisionStart for the enabling semantics.
(event: CollisionEvent) => void 
A listener for RigidBody collision start/end events. See CollisionEvent for the payload and RigidBodyOptions.onCollisionStart for the enabling semantics.
(event: CollisionEvent) => void