gallery9 / ImageCarousel.as

package  {

    import flash.display.Sprite;
    import flash.display.MovieClip;

    import flash.net.URLLoader;
    import flash.net.URLRequest;

    import flash.events.Event;
    import flash.events.MouseEvent;

    import flash.display.Stage;
    import flash.display.DisplayObject;

    import flash.display.BitmapData;
    import flash.display.Bitmap;
    import flash.utils.*;


    public class ImageCarousel extends Sprite {

        private static var IMAGES:Array= new Array() ;

        private static var APP_WIDTH:Number;
        private static var APP_HEIGHT:Number;
        private static var _xCenter:Number;
        private static var _yCenter:Number;

        private static var IMAGE_WIDTH:Number=640;
        private static var IMAGE_HEIGHT:Number=426;

        private static var SPRINESS:Number=0.4;
        private static var DECAY:Number=0.5;

        private static var SCALE_DOWN_FACTOR:Number=0.2;
        private static var OFFSET_FACTOR:Number=30;
        private static var OPACITY_DOWN_FACTOR:Number=0.1;
        private static var MAX_SCALE:Number=1;

        private var STAGE:Stage;

        private var loader:URLLoader;

        public var _curBmp: BitmapData;

        private var _current:Number=0;
        private var _target:Number=0;

        private var _sponge:Number=0;


        private var _images:Array = new Array(6);

        private var loading:int=0;

        private var fset:Boolean=false;
        private var nframes:int=0;

        private var humContainer:Sprite;

        //---------------------------------------------
        public function ImageCarousel() {

            STAGE= Gallery9.STAGE;

            APP_WIDTH=STAGE.width;
            APP_HEIGHT=STAGE.height;


            _xCenter=APP_WIDTH/2;
            _yCenter=APP_HEIGHT/2;

            //x=0;
            //y=0;
            //width=50;//STAGE.width;
            //height=50;//STAGE.height;


            /*this.graphics.lineStyle(1,0xFFDD00,0.3);
            this.graphics.beginFill(0x000033);
            this.graphics.drawRect(0,0,200,STAGE.height);

            this.graphics.drawRect(0,STAGE.height-200,
                                   STAGE.width, STAGE.height);

            this.graphics.endFill();*/


            loadXML();

        }

        //---------------------------------------------
        private function loadXML():void {
            loader = new URLLoader(new URLRequest('imgs.xml'));
            loader.addEventListener(Event.COMPLETE, addImages);

        }
        //---------------------------------------------
        private function addImages(e: Event):void {

            loadNames(e);
            loading=IMAGES.length;

            for (var i:int=0; i< IMAGES.length; i++) {

                /*var imageClass:String=IMAGES[i];
                var className:Class=
                   ApplicationDomain.currentDomain.getDefinition(
                                                imageClass) as Class;
                var bitmapData: BitmapData = new className(0,0);
                var image:Bitmap = new Bitmap(bitmapData);

                var bitmapData: BitmapData = new BitmapData(IMAGE_WIDTH,
                                                            IMAGE_HEIGHT,
                                                            false,
                                                            0x000000
                                                            );*/

                //var image:Bitmap= new Bitmap((l.content as Bitmap).bitmapData.clone());
                //bitmapData.draw(tmpB);

                var l:Loaderzz= new Loaderzz(i);

                l.inloader.contentLoaderInfo.addEventListener(Event.COMPLETE,onComplete);

                l.inloader.load(new URLRequest (IMAGES[i]));
            }
        }
        //---------------------------------------------
        private function onComplete(event:Event):void {

            //var bitmapData: BitmapData =
            //         Bitmap(LoaderInfo(event.target).content).bitmapData;

            //var bitmapData: BitmapData =
            //   event.target.loader.content.bitmapData;

            var i:int=Loaderzz(event.target.loader.parent).num_load;

            //var image:Bitmap = new Bitmap(bitmapData);

            var image:ZClip = new ZClip();
            //image.smoothing=true;
            image.addChild(event.target.loader);


            addChild(image);
            //image.addEventListener(MouseEvent.MOUSE_OVER, on_mouse_over);
            //image.addEventListener(MouseEvent.MOUSE_OUT, on_mouse_out);

            posImage(image,i);

            _images[i]=image;
            loading--;

            if (loading==0)  {

               sortChildren("scaleX");
               start();
            }

        }

        //---------------------------------------------
        private function on_mouse_over(e:MouseEvent):void {

            var tmpzz:ZClip=ZClip(e.target.parent);
            tmpzz.goUp();

        }


        //---------------------------------------------
        private function on_mouse_out(e:MouseEvent):void {

            var tmpzz:ZClip=ZClip(e.target.parent);
            tmpzz.goDown();
        }

        //---------------------------------------------
        private function sortChildren(criteria:String):void {

            var num:int=numChildren;

            var chi:Array= new Array(num);
            var i:int=-1;

            while (++i<num) {
                chi[i]=getChildAt(i);
            }
            chi.sortOn(criteria,Array.NUMERIC);

            var child : DisplayObject;
            i=-1;
            while (++i<num) {
                child=DisplayObject(chi[i]);

                if (i!=getChildIndex(child)) {
                    setChildIndex(child,i);
                }
            }

        }

        //---------------------------------------------
        private function posImage(image:ZClip, index:int) :void {

            var diffFactor:Number = index- _current;

            image.scaleX=MAX_SCALE-Math.abs(diffFactor)*SCALE_DOWN_FACTOR;
            image.scaleY=MAX_SCALE-Math.abs(diffFactor)*SCALE_DOWN_FACTOR;

            image.x=_xCenter -IMAGE_WIDTH/2 +
               (diffFactor*(diffFactor>0 ? 160 : OFFSET_FACTOR));

            image.y=_yCenter - IMAGE_HEIGHT/2+
               (diffFactor*(diffFactor>0 ? 110 : OFFSET_FACTOR));

            image.alpha=0.2;//Math.abs(diffFactor)*OPACITY_DOWN_FACTOR;

        }

        //---------------------------------------------
        private function loadNames(e: Event):void {

            var xml:XML = new XML(e.target.data);

            var list:XMLList = xml.img;


            for (var i:int=0; i<list.length(); i++) {

                IMAGES.push(list[i].@src);
            }
        }

        //---------------------------------------------
        private function on_enter_frame(e:Event):void {

            nframes++;
            //MovieClip(parent).zzte.text=nframes;

            for (var i:int=0; i<_images.length; i++) {
                var image:ZClip=_images[i];
                posImage(image,i);
            }



            _sponge=(_target-_current)*SPRINESS+_sponge*DECAY;
            _current+=_sponge;

            if (Math.abs(_sponge)<0.001) {
               removeEventListener(Event.ENTER_FRAME, on_enter_frame);
               fset=false;
               //sortChildren("scaleX");
            }
        }

        //---------------------------------------------
        private function on_mouse_wheel(e:MouseEvent):void {
            moveIndex( (e.delta>0) ? 1: -1);
        }

        //---------------------------------------------
        private function on_click(e:MouseEvent):void {
            moveIndex(1);
        }

        //---------------------------------------------
        private function moveIndex(value:int):void {
            _target+=value;
            //_target=Math.max(0,_target);
            //_target=Math.min(_images.length-1, _target);

            if (_target>_images.length-1)
               _target=0;

            if (_target<0)
               _target=_images.length-1;

            if (!fset) {
               fset=true;
               addEventListener(Event.ENTER_FRAME, on_enter_frame);
            }

        }

        //---------------------------------------------
        function zzUp():void {

            sortChildren("scaleX");
            var tmpzz:ZClip= ZClip(getChildAt(numChildren-2));

            tmpzz.goUp();
        }
        //---------------------------------------------
        function moveIndOne() {
            moveIndex(1);

            setTimeout(zzUp,500);

        }
        //---------------------------------------------
        function addHum():void {
            var hum:zzhum=new zzhum();
            humContainer.addChild(hum);
        }
        function addFl():void {
            var fl:flower_group=new flower_group();
            humContainer.addChild(fl);
        }

        //---------------------------------------------
        public function start():void {
            fset=true;
            addEventListener(Event.ENTER_FRAME,on_enter_frame);
            addEventListener(MouseEvent.MOUSE_WHEEL, on_mouse_wheel);
            addEventListener(MouseEvent.CLICK, on_click);


            setTimeout(zzUp,200);
            setInterval(moveIndOne,3000);

            humContainer=new Sprite();
            addChild(humContainer);

            setInterval(addHum,2000);
            //setTimeout(addFl,200);





        }


    }

}