SceneElement.pde

abstract class SceneElement implements GameElement {
  // ----- Fields
  
  private TweenManager tweenManager;
  
  public Vec2Int position;
  public float rotation;
  public float scale;
  
  // ----- Constructors
  
  public SceneElement() {
    position = Vec2Int.ZERO;
    scale = 1f;
  }
  
  // ----- Methods
  
  public void setTweenManager(TweenManager value) {
    tweenManager = value;
  }
  
  public Collider getCollider() {
    return null;
  }
}

class SceneElementTweenAccessor implements TweenAccessor<SceneElement> {
  // ----- Fields
  
  public static final int POS_X_ID = 1, POS_Y_ID = 2, SCALE_ID = 3;
  
  // ----- Methods
  
  @Override
  public int getValues(SceneElement target, int tweenTypeID, float[] returnValues) {
    switch (tweenTypeID) {
      case POS_X_ID:
        returnValues[0] = target.position.x;
        break;
      case POS_Y_ID:
        returnValues[0] = target.position.y;
        break;
      case SCALE_ID:
        returnValues[0] = target.scale;
        break;
    };
    
    return 1;
  }
  
  @Override
  public void setValues(SceneElement target, int tweenTypeID, float[] newValues) {
    switch (tweenTypeID) {
      case POS_X_ID:
        target.position = new Vec2Int(newValues[0], target.position.y);
        break;
      case POS_Y_ID:
        target.position = new Vec2Int(target.position.x, newValues[0]);
        break;
      case SCALE_ID:
        target.scale = newValues[0];
        break;
    };
  }
}