import?java.util.Random;

//小型敵機:?是飛行物，也是敵人
?
public?class?Airplane?extends?Flyingobject?implements?Enemy?{
	private?int?speed?=?4;??//移動步驟
	
	/**?初始化數據?*/
	public?Airplane（）{
		this.image?=?ShootGame.airplane;
		width?=?image.getWidth（）;
		height?=?image.getHeight（）;
		y?=?-height;??????????
		Random?rand?=?new?Random（）;
		x?=?rand.nextInt（ShootGame.WIDTH?-?width）;
	}
	
	/**?獲取分數?*/
	@Override
	public?int?getScore（）?{??
		return?5;
	}

	/**?//越界處理?*/
	@Override
	public?	boolean?outOfBounds（）?{???
		return?y>ShootGame.HEIGHT;
	}

	/**?移動?*/
	@Override
	public?void?step（）?{???
		y?+=?speed;
	}
	
}