resolveComponentIndices method
Implementation
@override
void resolveComponentIndices(List<ActorComponent?> components) {
  super.resolveComponentIndices(components);
  _source = components[_sourceIdx]! as ActorNode;
}@override
void resolveComponentIndices(List<ActorComponent?> components) {
  super.resolveComponentIndices(components);
  _source = components[_sourceIdx]! as ActorNode;
}