ActionScript 3 装载机

Posted 2021-05-23

package com{
	
	import flash.display.MovieClip;
	import flash.display.LoaderInfo;
	import flash.events.*;
	import flash.net.URLRequest;
	import flash.display.Loader;
	
	public class Host extends MovieClip 
	{
		
		private var request:URLRequest;
		private var cont:Loader;
		private var loadedClip:MovieClip;
		
		public function Host():void 
		{
			request = new URLRequest("start.swf");
			cont = new Loader();
			cont.contentLoaderInfo.addEventListener(Event.COMPLETE, loadComplete);
			cont.contentLoaderInfo.addEventListener(ProgressEvent.PROGRESS, loadProgress);
			cont.contentLoaderInfo.addEventListener(Event.INIT, onInit);
			cont.visible = false;
			
			try {
				cont.load(request);
			}catch (error:SecurityError){
				trace(error);
			}
			
			addChild(cont);
		}
		
		private function onInit(event:Event):void 
		{	
			 if (event.target is LoaderInfo){
				  loadedClip = event.target.content as MovieClip;
				  trace(loadedClip);
			 }
		}
		
		private function loadComplete(event:Event):void 
		{	
			cont.visible = true;
			loadedClip.addEventListener("someEvent", function(){
				trace("someEvent fired");
			});
		}
		
		private function loadProgress(event:ProgressEvent):void 
		{
			var percentLoaded:Number = event.bytesLoaded/event.bytesTotal;
			var progress:int=Math.round(percentLoaded * 100);
		}
	}
}