public Queue enemyQue;
GameObject take_aim;
float second;
// Use this for initialization
void Start () {
    enemyQue = new Queue();
}

// Update is called once per frame
void Update () {
    second += Time.deltaTime;
    if (enemyQue.Count != 0)
    {
        take_aim = enemyQue.Peek() as GameObject;
        //transform.LookAt
 
(take_aim.transform.position, Vector3.up);
        transform.forward = take_aim.transform.position - transform.position;
        if (second > CreateTime)
        {
            take_aim.GetComponent<Move_enemy>().Hp -= Attack;
            second -= CreateTime;
        }
        if (take_aim.GetComponent
 
<Move_enemy>().Hp <= 0)
        {
            Destroy(take_aim);
            enemyQue.Dequeue();
        }


    }

}

void OnTriggerEnter(Collider enemy)
{
    if (enemy.tag == "Enemy")
    {
        enemyQue.Enqueue(enemy.gameObject);
        //Debug.Log(enemyQue.Count + "入隊");
    }


}
void OnTriggerExit(Collider enemy)
{
    if (enemyQue.Count
 
 != 0)
    {
        enemyQue.Dequeue();
        //Debug.Log(enemyQue.Count + "結束");
    }

}