enemy = new Boss(50,50,50);//但enemy.BossSkill()用不了
//enemy = new EnemyType1();
Boss c;
//不能这么设置c = new Enemy();
Enemy enemyboss = new Boss(11, 44, 55);
enemyboss.Move();//用的是boss的move方法,这是虚方法重写Move
enemyboss.AI();//用的是enemy的move方法,这是隐藏方法重写AI