onMount method

@override void onMount()

Called when the owning node enters a live scene graph.

Implementation

@override
void onMount() {
  final world = findAncestorWorld(node);
  if (world == null) {
    throw StateError(
      'Collider mounted with no PhysicsWorld on an ancestor node',
    );
  }
  _world = world;
  _create();
}