//发射一条射线,去检测玩家是否在自己面前,用来随后的发射炮弹            bool isForward = false;            var TranformShootPoint = ai.WorkingMemory.GetItem
     
      ("enemyShootPoint");            Ray ray = new Ray(TranformShootPoint.transform.position, TranformShootPoint.transform.forward);            RaycastHit hit;//这个是碰撞检测的目标            if (Physics.Raycast(ray, out hit, 5))//传入的参数依次是：射线、射线碰撞物、射线检测距离            {                GameObject obj = hit.transform.gameObject;//得到碰撞的游戏对象                if (obj.tag == "Player")                {                    isForward = true;                }                           }