public abstract class RoleEvent : MonoBehaviour 
{


    public GameObject prefabUIHead;
    public GameObject prefabUILife;
    public Transform headbarPos;//放在怪下面的空物件
    public Transform lifebarPos;//放在怪下面的血條物件


    private Transform uiHead;
    private Transform uiLife;
    private HUDText hudText;//飄血效果
    public string name;


    public virtual void Start()
    {


        uiHead = ((GameObject)Instantiate(prefabUIHead)).transform;
        uiHead.SetParent(GameObject.Find("HeadbarRoot").transform);
        uiHead.localScale = new Vector3(1, 1, 1);
        uiHead.FindChild("nickName").GetComponent<UILabel>().text = name;
        hudText = uiHead.FindChild("HUD").GetComponent<HUDText>();
        if (prefabUILife == null || lifebarPos == null)
        {
            uiHead.FindChild("Lifebar").gameObject.SetActive(false);
        }
}


    public virtual void Update()
    {
        //世界座標點轉換為視口座標點
        Vector3 pos = Camera.main.WorldToViewportPoint(headbarPos.position);
        //視口座標點轉換為世界座標點
        Vector3 uiPos = UICamera.mainCamera.ViewportToWorldPoint(pos);
        uiHead.position = uiPos;
    }


    public void Hurt(int value)
    {
        hudText.Add(string.Format("-{0}", value), Color.red, 0.1f);
    }

}

public class RoleMonsterAI : RoleEvent{




    public override void Start()
    {
        name = "小怪";
        base.Start();
}
    public override void Update()
    {
        base.Update();
        if (Input.GetMouseButtonDown(2))
        {
            Hurt(20);
        }
    }


}