main.dart

  late TiledComponent mapComponent;

  static const double _minZoom = 0.5;
  static const double _maxZoom = 2.0;
  double _startZoom = _minZoom;

  @override
  Future<void> onLoad() async {
    camera.viewfinder
      ..zoom = _startZoom
      ..anchor = Anchor.topLeft;

    mapComponent = await TiledComponent.load(
      'map3.tmx',
      Vector2(64, 73),
    );
    world.add(mapComponent);
  }