package {
 import flash.media.*;
 import flash.display.*;
 import flash.net.*;
 import flash.utils.*;
 import flash.events.*;
 import flash.xml.*;
 public class getshape extends Sprite {
  private var s=new Sound ;
  private var sc=new SoundChannel ;
  private var sbytes=new ByteArray ;//package into utils class
  private var s_mc=new Sprite ;
  private var url:URLRequest;
  private var n;
  private var s_height=50;
  private const s_row=80;//固定值
  private var s_width=3;
  private var s_distance=8;
  //xml style
  private var xml:XML;
  private var pic_array_n=new Array ;
  private var pic_array_url=new Array ;
  private var mc=new MovieClip ;
  private var urlloader=new URLLoader ;
  private var loader=new Loader ;
  //初始化程序
  public function getshape() {//public可以外部类访问
  playMp3("onelove.mp3");
  loadpic();
  }
  private function loadpic() {//private只允许在内部类中访问
  urlloader.addEventListener(Event.COMPLETE,createxml);
  try {
  urlloader.load(new URLRequest("list.xml"));
  } catch (e:TypeError) {
  trace("load error xml");
  }


  }
  private function createxml(e:Event) {
  xml=new XML(urlloader.data);
  xml.ignoreWhite=true;
  var picbox=new Object ;
  //xmllist:XMLList=xml.@*;//read all attributes list exmaple:xml="<s id='1' cla='a' url='1.jpg'></s>" //outprint: 1 a 1.jpg;
  for (var i=0; i<xml.elements("pic").length(); i++) {
  pic_array_url.push(xml.elements("pic")[i].attributes()[1]);//so same to:xml.elements("pic")[i].@url;
  loader.load(new URLRequest(pic_array_url[i]));
  var mc=new MovieClip();
  mc.graphics.beginFill(0xffffff,1);
  mc.graphics.drawRect(0,0,120,90);
  mc.graphics.endFill();
  mc.x=uint(i%2)*200+50;
  mc.y=uint(i/2)*200+50;
  addChildAt(mc,i);

  loader.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS,loadxmlpicProgress);
   
  loader.contentLoaderInfo.addEventListener(Event.COMPLETE,loadxmlpicComplete);


  }


  }
  private function loadxmlpicProgress(e:ProgressEvent) {
  var loads:Number=Math.round(e.bytesLoaded/e.bytesTotal*100);

  }
  private function loadxmlpicComplete(e:Event) {
  //mc.addChild(loader);
  trace("ok");
  }
  //MP3音频
  private function playMp3(url) {
  s.load(new URLRequest(url));
  sc=s.play();
  addEventListener(Event.ENTER_FRAME,s_enterframe);
  sc.addEventListener(Event.SOUND_COMPLETE,s_replay);

  }
  private function s_enterframe(e:Event) {
  SoundMixer.computeSpectrum(sbytes,false,0);
  //first
  var g=this.graphics;
  g.clear();
  for (var i=0; i<s_row; i++) {
  g.beginFill(0xffffff,.1);
  g.moveTo(i*s_distance,0);
  g.lineTo(i*s_distance+s_width,0);
  n=Math.abs(sbytes.readFloat()*s_height);
  g.lineTo(i*s_distance+s_width,s_height-n);
  g.lineTo(i*s_distance,s_height-n);
  g.endFill();
  }
  }
  private function s_replay(e:Event) {
  trace("ok");

  }

 }
}