NGUI 伤害数字的显示

using UnityEngine;
using System.Collections;

public class BattleHurtNum : MonoBehaviour 
{
  
    public Vector3 mVec;

    protected TweenAlpha mTa;
    protected TweenPosition mTp;
    protected TweenScale mTs;

    // Use this for initialization
    void Start () 
    {
       
        mTa = gameObject.GetComponent<TweenAlpha>();
        mTp = gameObject.GetComponent<TweenPosition>();
        mTs = gameObject.GetComponent<TweenScale>();
       // GetNumObject(1234);
    }
    
    // Update is called once per frame
    void Update () 
    {
    
    }

    public virtual void Show(GameObject obj, Vector3 vec) { }
    public virtual void Move() { }
    public virtual void Scale() { }
    public virtual void Alpha() { }
}

/// <summary>
/// 暴击
/// </summary>
public class CritNum : BattleHurtNum
{


    public override void Show(GameObject obj, Vector3 vec)
    {
        mTa = obj.GetComponent<TweenAlpha>();
        mTp = obj.GetComponent<TweenPosition>();
        mTs = obj.GetComponent<TweenScale>();
        Move(vec);
        Scale();
        Alpha();
    }

    public  void Move(Vector3 vec)
    {
        mTp.from = mVec;
        mTp.to = new Vector3(0, vec.y + 200, 0);
        mTp.delay = 0;
        mTp.duration = 0.4f;
        mTp.onFinished = OnMoveFinished;
        mTp.Play(true);
        mTp.Reset();
    }
    private void OnMoveFinished(UITweener twwen) 
    {
        GameObject.Destroy(twwen.gameObject);
    }
    public override void Scale()
    {
        mTs.from = new Vector3(0,0.2f,0);
        mTs.to = new Vector3(1,1,0);
        mTs.delay = 0;
        mTs.duration = 0.1f;
        mTs.Play(true);
        mTs.Reset();
    }

    public override void Alpha()
    {
        mTa.from = 1;
        mTa.to = 0;
        mTa.delay = 0.25f;
        mTa.duration = 0.15f;
        mTa.Play(true);
        mTa.Reset();

    }
}

/// <summary>
/// 回复
/// </summary>
public class ReplyNum : BattleHurtNum
{
    public override void Show(GameObject obj, Vector3 vec)
    {
        mTa = obj.GetComponent<TweenAlpha>();
        mTp = obj.GetComponent<TweenPosition>();
        mTs = obj.GetComponent<TweenScale>();
        Move(vec);
        Alpha();
    }

    public  void Move(Vector3 vec)
    {
        mTp.from = mVec;
        mTp.to = new Vector3(0, vec.y + 200, 0);
        mTp.delay = 0;
        mTp.duration = 0.4f;
        mTp.onFinished = OnMoveFinished;
        mTp.Play(true);
        mTp.Reset();
    }
    private void OnMoveFinished(UITweener twwen)
    {
        GameObject.Destroy(twwen.gameObject);
    }

    public override void Alpha()
    {
        mTa.from = 1;
        mTa.to = 0;
        mTa.delay = 0.35f;
        mTa.duration = 0.05f;
        mTa.Play(true);
        mTa.Reset();

    }
}

/// <summary>
/// 受击
/// </summary>
public class HitNum : BattleHurtNum
{
    private GameObject mObj;
    private int mRandom = 0;

    public override void Show(GameObject obj, Vector3 vec) 
    {
        mObj = obj;
        mTa = obj.GetComponent<TweenAlpha>();
        mTp = obj.GetComponent<TweenPosition>();
        mTs = obj.GetComponent<TweenScale>();
        System.Random r = new System.Random();
        mRandom = r.Next(-100, 100);
        vec.x += mRandom; 
        Move(vec);
       
    }

    public  void Move(Vector3 vec)
    {
        mTp.from = mVec;
        mTp.to = new Vector3(vec.x, vec.y + 200, 0);
        mTp.delay = 0;
        mTp.duration = 1;
        mTp.onFinished = OnMoveFinished;
        mTp.Play(true);
        mTp.Reset();
    }
    private void OnMoveFinished(UITweener move) 
    {
        mTp.from = mObj.transform.localPosition;
        mTp.to = new Vector3(mRandom*2, 0, 0);
        mTp.delay = 0;
        mTp.duration = 1;
        mTp.onFinished = OnEndAin;
        mTp.Play(true);
        mTp.Reset();
        Alpha();
    }

    private void OnEndAin(UITweener twwen) 
    {
        GameObject.Destroy(twwen.gameObject);
    }
    public override void Alpha()
    {
        mTa.from = 1;
        mTa.to = 0;
        mTa.delay = 0;
        mTa.duration = 1;
        mTa.Play(true);
        mTa.Reset();
    }
}

using UnityEngine;
using System.Collections;

public class TestNum : MonoBehaviour {

    public UISprite mNum;
    protected string mName = "sj_0";
    protected GameObject mObj = null;

    public GameObject mCirt;
    public GameObject mHit;
    public GameObject mReply;
    // Use this for initialization
    void Start () 
    {
        mNum.gameObject.SetActive(false);
        UIEventListener.Get(mCirt).onClick = OnClickCirt;
        UIEventListener.Get(mHit).onClick = OnClickHit;
        UIEventListener.Get(mReply).onClick = OnClickReply;
    }
    
    // Update is called once per frame
    void Update () 
    {
    
    }

    void OnClickCirt(GameObject obj) 
    {
        ShowNum(1);
    }

    void OnClickHit(GameObject obj) 
    {
        ShowNum(2);
    }

    void OnClickReply(GameObject obj) 
    {
        ShowNum(3);
    }

    public GameObject GetNumObject(int num)
    {
        GameObject obj = new GameObject();
        obj.transform.parent = gameObject.transform;
        obj.transform.localScale = new Vector3(1,1,1);
        obj.layer = gameObject.layer;
        obj.AddComponent<UIPanel>();
        obj.AddComponent<TweenAlpha>();
        obj.AddComponent<TweenPosition>();
        obj.AddComponent<TweenScale>();
        
        string str = num.ToString();
        for (int i = 0; i < str.Length; ++i)
        {
            GameObject numObj = GameObject.Instantiate(mNum.gameObject) as GameObject;
            numObj.SetActive(true);
            numObj.GetComponent<UISprite>().spriteName = mName + str[i];
            numObj.transform.parent = obj.transform;
            numObj.transform.localPosition = new Vector3(i * 40, 0, 0);
            numObj.transform.localScale = new Vector3(39, 54, 0);
            numObj.transform.localEulerAngles = new Vector3(0, 0, 0);
        }
        mObj = gameObject;
        return obj;
    }

    void ShowNum(int index) 
    {
        switch(index)
        {
            case 1:
                CritNum crit = new CritNum();
                crit.mVec = new Vector3(0,0,0);
                crit.Show(GetNumObject(1000),new Vector3(0,0,0));
                break;
            case 2:
                ReplyNum reply = new ReplyNum();
                reply.mVec = new Vector3(0,0,0);
                reply.Show(GetNumObject(1000), new Vector3(0, 0, 0));
                break;
            case 3:
                HitNum hit = new HitNum();
                hit.mVec = new Vector3(0,0,0);
                hit.Show(GetNumObject(1000), new Vector3(0, 0, 0));
                break;
        }

    }
}