NGUI实现简单的倒计时组件

  1 using System;
  2 using UnityEngine;
  3 
  4 public enum ETimerType
  5 {
  6     CommonFormat,     // 78 77 76 75 ...
  7     TimeFormat,       //以时间格式显示倒计时
  8 }
  9 
 10 //自定义时间
 11 public class CustomTime
 12 {
 13     public int Days, Hours, Minutes, Seconds;
 14 
 15     public CustomTime(int seconds)
 16     {
 17         Days = seconds / 86400;
 18 
 19         seconds = seconds - Days * 86400;
 20         Hours = seconds / 3600;
 21 
 22         seconds = seconds - Hours * 3600;
 23         Minutes = seconds / 60;
 24 
 25         Seconds = seconds % 60;
 26     }
 27 
 28     public string GetTimeFormat()
 29     {
 30         string formatTime = "";
 31         if (Days > 0)
 32         {
 33             formatTime = string.Format("{0}天{1}:{2}:{3}", Days.ToString(), Hours.ToString("D2"), Minutes.ToString("D2"), Seconds.ToString("D2"));
 34         }
 35         else if (Hours > 0)
 36         {
 37             formatTime = string.Format("{0}:{1}:{2}", Hours.ToString("D2"), Minutes.ToString("D2"), Seconds.ToString("D2"));
 38         }
 39         else if (Minutes > 0)
 40         {
 41             formatTime = string.Format("{0}:{1}", Minutes.ToString("D2"), Seconds.ToString("D2"));
 42         }
 43         else if (Seconds > 0)
 44         {
 45             formatTime = string.Format("{0}", Seconds.ToString("D2"));
 46         }
 47         return formatTime;
 48     }
 49 }
 50 
 51 [RequireComponent(typeof(UILabel))]
 52 public class LabelTimer : MonoBehaviour
 53 {
 54     public delegate void OnFinish();
 55     public event OnFinish EvFinish;
 56 
 57     public int totalTime = 0;
 58     public float interval = 0;
 59 
 60     ETimerType timerType = ETimerType.CommonFormat;
 61     UILabel mLabel = null;
 62 
 63     void Start()
 64     {
 65         mLabel = GetComponent<UILabel>();
 66     }
 67 
 68     void Update()
 69     {
 70         interval += Time.deltaTime;
 71         if (interval >= 1)
 72         {
 73             --totalTime;
 74             ShowTime();
 75             interval = 0;
 76         }
 77 
 78         if (totalTime <= 0)
 79         {
 80             enabled = false;
 81             gameObject.SetActive(false);
 82             if (null != EvFinish)
 83                 EvFinish();
 84         }
 85     }
 86 
 87     void ShowTime()
 88     {
 89         if (timerType == ETimerType.CommonFormat)
 90         {
 91             mLabel.text = totalTime.ToString();
 92         }
 93         else if (timerType == ETimerType.TimeFormat)
 94         {
 95             CustomTime ct = new CustomTime(totalTime);
 96             mLabel.text = ct.GetTimeFormat();
 97         }
 98     }
 99 
100     public void Stop()
101     {
102         gameObject.SetActive(false);
103         totalTime = 0;
104         EvFinish = null;
105     }
106 
107     public bool TimeKeeping
108     {
109         get
110         {
111             return totalTime > 0;
112         }
113     }
114 
115     public void StartCountDown(int totalTime, ETimerType timerType)
116     {
117         this.timerType = timerType;
118         if (null == mLabel)
119             mLabel = GetComponent<UILabel>();
120         this.totalTime = totalTime;
121         interval = 0;
122         enabled = true;
123         ShowTime();
124         if (!gameObject.activeSelf)
125             gameObject.SetActive(true);
126     }
127 
128     public static LabelTimer Begin(GameObject go, int totalTime, ETimerType timerType = ETimerType.CommonFormat)
129     {
130         LabelTimer lt = go.GetComponent<LabelTimer>();
131         if (null == lt) lt = go.AddComponent<LabelTimer>();
132         lt.StartCountDown(totalTime, timerType);
133         return lt;
134     }
135 }