Radiant + Flame

test.dart

class NavigationComponent extends Component with Steerable {
  @override
  Vector2 get position => positionParent?.position ?? Vector2.zero();
  @override
  Vector2 velocity = Vector2.zero();
  @override
  double get angle => positionParent?.angle ?? 0;
  @override
  double angularVelocity = 0;
  @override
  Kinematics kinematics = LightKinematics(10);

  PositionComponent? get positionParent => parent as PositionComponent;

  @override
  set angle(double value) => positionParent!.angle = value;

  Behavior? behavior;

  void moveTo(Vector2 target) {
    behavior = kinematics.seek(target);
  }

  @override
  void onMount() {
    kinematics.handleAttach(this);
    super.onMount();
  }

  @override
  void update(double dt) {
    if (parent == null || behavior == null) {
      return;
    }
    behavior!.update(dt);

    super.update(dt);
  }
}