unity3d简单的音乐播放器

这几天用u3d做应用，感觉没效率，尽管它可以用C#写，但是感觉不行，所以我还是早点收手，不做应用了，把这几天做的一个小东西给大家玩玩，音乐播放器~~~

我就直接贴代码了哈，里面有一些注释的，呵呵~~~~但是手机上的编码问题没解决哦~~~有知道的同学，麻烦指点一下，我的qq:397319689(有点笨)；

import System.IO;import System.Collections;import System.Text;var www : WWW;var file:ArrayList;var scrollPosition :Vector2= Vector2.zero;var scrollVelocity:float  = 0f;var timeTouchPhaseEnded:float  = 0f;var inertiaDuration:float = 0.5f;var lastDeltaPos:Vector2 ;var skin:GUISkin;function Start () {    file=new ArrayList();    he("C:\\","*.mp3",file);  }var play:Texture;var pause:Texture;var next:Texture;var last:Texture;var sound:Texture;function OnGUI(){  GUI.skin=skin;  var y:int=0;     scrollPosition = GUI.BeginScrollView( Rect(0, 0, Screen.width, Screen.height), scrollPosition,  Rect(0, 0,Screen.width, file.Count*60), false, false);   for(var f:String in file){            //把系统编码转成utf-8，因为android上是utf-8        var utf:Encoding =Encoding.UTF8;//utf-8      var gb:Encoding =Encoding.Default;//系统的编码      var temp:byte[] = gb.GetBytes(f);      var temp1:byte[] = Encoding.Convert(gb, utf, temp);      var f1:String=utf.GetString(temp1);            //用lastindexof和substring方法获取文件名（不包括路径）      var p:int=f1.LastIndexOf('\\',f1.Length-1); //必须是'\\'，如果是‘\’会报错的。如果是手机要写‘/’            var f2:String=f1.Substring(p+1,f1.Length-1-p);      var b=GUI.Button(Rect(0,y,Screen.width,60),"   "+f2);            if(b){        www=new WWW("file://"+f);    //记住这里面的“//”别写成“\\”就行哈；         audio.clip=www.audioClip;       }       y+=60;         }  GUI.EndScrollView(); }function Update (){  if(Input.touchCount > 0){    if(Input.GetTouch(0).phase == TouchPhase.Moved){      scrollPosition.y += Input.GetTouch(0).deltaPosition.y;      lastDeltaPos = Input.GetTouch(0).deltaPosition;    }     else if (Input.GetTouch(0).phase == TouchPhase.Ended){      print ("End:"+lastDeltaPos.y+"|"+Input.GetTouch(0).deltaTime);      if(Mathf.Abs(lastDeltaPos.y)> 20.0f){         scrollVelocity = lastDeltaPos.y * 0.5/ Input.GetTouch(0).deltaTime;         print(scrollVelocity);       }      timeTouchPhaseEnded = Time.time;    }  }  else{     if(scrollVelocity != 0.0f){       var t:float = (Time.time - timeTouchPhaseEnded)/inertiaDuration;       var frameVelocity:float = Mathf.Lerp(scrollVelocity, 0, t);       scrollPosition.y += frameVelocity * Time.deltaTime;       if (t >= inertiaDuration)           scrollVelocity = 0;     }  }  if(Input.GetKey(KeyCode.Escape)){      Application.Quit();   }   if(!audio.isPlaying)   audio.Play();}function he(path:String,pattern:String,al:ArrayList){ if(path!=null){       var f1:String[]=Directory.GetFiles(path,pattern);    var d1:String[];           for(var f11:String in f1){      al.Add(f11);   }     try{    d1=Directory.GetDirectories(path);   for(var d11:String in d1){      try{ he(d11,pattern,al);}      catch(Exception){}                     }        }catch(Exception){}   }}