import com.genuts.gameui.*;

/**
 * Moves a sprite from the left to the right, and change the
 * direction when a sprite with an id of 0 is encountered.
 */
public class TileWrapper extends MovingSpriteWrapper {

  int vx = 1;

  public TileWrapper(Sprite sprite) {
    super(sprite);
  }

  public void move(int ticks) {
    getActionSprite().setPosition(getX()+vx, getY());
  }

  protected void collisionWith(Sprite s) {
    // Checks the id of the sprite to know if the direction
    // has to be changed or not.
    if ((s != null) && (s.getId() == 0)) {
      vx *= -1;
      getActionSprite().setPosition(getX()+2*vx, getY());
    }
  }
}