unity3d 扩展NGUI Tweener —— TweenTime

 1 #region HeadComments
 2 /* ========================================================================
 3 * Copyright (C) 2015 Arthun
 4 *
 5 * 作    者：Arthun
 6 * 文件名称：TweenTime
 7 * 功    能：滚动时间
 8 * 创建时间：2015/12/21 15:51:58
 9 *
10 * =========================================================================
11 */
12 #endregion
13 
14 using UnityEngine;
15 
16 [RequireComponent(typeof(UILabel))]
17 [AddComponentMenu("NGUI/Tween/Tween Time")]
18 public class TweenTime : UITweener
19 {
20     public float from = 1f;
21     public float to = 1f;
22 
23     private bool mCached = false;
24     private UILabel mLable;
25 
26     private void Cache()
27     {
28         mCached = true;
29         mLable = GetComponent<UILabel>();
30     }
31 
32     public float value
33     {
34         get
35         {
36             if (!mCached) Cache();
37             return 0f;
38         }
39         set
40         {
41             if (!mCached) Cache();
42             if (mLable != null)
43                 mLable.text = getTimeFormat(value);
44         }
45     }
46 
47     protected override void OnUpdate(float factor, bool isFinished) { value = Mathf.Lerp(from, to, factor); }
48 
49     public override void SetStartToCurrentValue() { from = value; }
50 
51     public override void SetEndToCurrentValue() { to = value; }
52 
53     private string getTimeFormat(float time)
54     {
55         if (time <= 0) return "00:00:00";
56 
57         System.TimeSpan ts = new System.TimeSpan(0, 0, (int)(time));
58         return ts.Hours.ToString().PadLeft(2, ‘0‘) + ":" + ts.Minutes.ToString().PadLeft(2, ‘0‘) + ":" + ts.Seconds.ToString().PadLeft(2, ‘0‘);
59     }
60 }