forge2dcomponent.dart

class Bar extends BodyComponent with ContactCallbacks, KeyboardHandler {

  late BodyDef bodyDef;

  late Vector2 barPosition;

  @override

  Body createBody() {

    barPosition = Vector2(10, 20);

    final bar = PolygonShape()..setAsBoxXY(2, 5);

    final fixtureDef = FixtureDef(

      bar,

      // restitution: 0,

      // density: 1.0,

      // friction: 0.4,

    );

    bodyDef = BodyDef(

      userData: this,

      //angularDamping: 0.8,

      position: barPosition, //Vector2(10, 20),

      // gravityScale: Vector2(0, 0),

      //type: BodyType.dynamic,

    );

    add(

      KeyboardListenerComponent(

        keyDown: {

          LogicalKeyboardKey.arrowUp: (keysPressed) {

            barPosition += Vector2(0, -1.0);

            return true;

          },

          LogicalKeyboardKey.arrowDown: (keysPressed) {

            barPosition += Vector2(0, 1.0);

            return true;

          },

          LogicalKeyboardKey.keyW: (keysPressed) {

            return true;

          },

          LogicalKeyboardKey.keyS: (keysPressed) {

            return true;

          },

        },

      ),

    );

    final fixture = world.createBody(bodyDef)..createFixture(fixtureDef);

    return fixture;

  }

  @override

  void update(double dt) {

    // TODO: implement update

    super.update(dt);

  }

}