package {
	import flash.display.*;
	import flash.events.*;
	import flash.geom.*;
	import flash.net.*;
    import flash.system.LoaderContext;
	
	public class Begineer extends Sprite{
		
		
		//-------------------------------//
		// Use properties as follows.
		//-------------------------------//
		private var _sliceList:Array;
		
		
		
		
		//-------------------------------//
		// Change functions as follows.
		//-------------------------------//
		public function updateEnterFrame( e:Event ):void{
			
		} 
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		
		//-------------------------------//
		// Do not change following codes.
		//-------------------------------//
		public function Begineer(){
            var ctxt  :LoaderContext = new LoaderContext(true);
			var loader:Loader = new Loader();
			loader.contentLoaderInfo.addEventListener( Event.COMPLETE, onLoadComplete );
			loader.load( new URLRequest("http://swf.wonderfl.net/static/assets/massmedian.png"), ctxt );
        }
		
		public function onLoadComplete(e:Event):void {
			var loader:Loader = LoaderInfo( e.target ).loader;
			loader.contentLoaderInfo.removeEventListener( Event.COMPLETE, onLoadComplete );
			
			var bitmapdata:BitmapData = new BitmapData( loader.width, loader.height, true, 0xFF0000 );
			bitmapdata.draw( loader );
			
			_sliceList = sliceBanner( bitmapdata, bitmapdata.width );
			
			addEventListener( Event.ENTER_FRAME, updateEnterFrame );
		}
		
		
		private function sliceBanner( banner:BitmapData, length:int = 100 ):Array{
			var sliceList:Array = [];
			var w:int = Math.floor( banner.width/length );
			var h:int = Math.floor( banner.height );
			
			var t:int = Math.ceil( banner.width - w*length );
			var mat:Matrix = new Matrix();
				
			for( var i:int = 0; i<length; i++ ) {
				var bmpd :BitmapData = new BitmapData( w, h, true, 0xFFFF00 );
				mat.tx = -w*i;
				bmpd.draw( banner, mat );
				var part:DisplayObject = addChild( new Bitmap( bmpd ) );
				part.x = w*i;
				sliceList.push( part );
			}
			return sliceList;
		}
		
	}
}

massmedian challenge