▼이곳에 플래시가 삽입되어 있습니다. 




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package kr.tibyte
{
    import flash.display.Bitmap;
    import flash.display.BitmapData;
    import flash.display.Shape;
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.events.MouseEvent;
    import flash.geom.Point;
    import flash.geom.Vector3D;
     
    /**
     * ...
     * @author
     */
    public class Main extends Sprite
    {
         
        [Embed(source="../../sample1.png")]
        private var SampleImage1:Class;
        [Embed(source="../../sample2.png")]
        private var SampleImage2:Class;
         
        private var _bitmaps:Vector.<Bitmap> = new Vector.<Bitmap>(IMG_NUM);
        private var _imgArr:Vector.<Sprite> = new Vector.<Sprite>(IMG_NUM);
        private var _imgWidth:int = 120;
        private var _imgHeight:int = 80;
        private var _r:Number; //회전반경
        private var _yaw:Number = 0;
        private var _container:Sprite = new Sprite();
         
        private const IMG_NUM:int = 6;
        private const THETA:Number = 0.003*3/180*Math.PI; //회전각속도
        private const MARGIN:int = 20; //이미지 간격
         
        public function Main():void
        {
             
            for (var i:int = 0; i<IMG_NUM; i++)
            {
                if (Math.random()>0.6)
                    _bitmaps[i] = new SampleImage1();
                else
                    _bitmaps[i] = new SampleImage2();
                 
                _bitmaps[i].x = -_bitmaps[i].width/2-MARGIN;
                _bitmaps[i].y = -_bitmaps[i].height/2;
                _imgArr[i] = new Sprite();
                _imgArr[i].addChild(_bitmaps[i]);
                _imgArr[i].width = _imgWidth;
                _imgArr[i].height = _imgHeight;
                _container.addChild(_imgArr[i]);
            }
            //회전반경을 이미지크기+마진값에 딱 맞게 설정
            _r = (_imgWidth+2*MARGIN)/(2*Math.tan(Math.PI/IMG_NUM));
             
            _container.x = 200;
            _container.y = 150;
            this.transform.perspectiveProjection.projectionCenter = new Point(_container.x, _container.y);
            addChild(_container);
             
            stage.addEventListener(Event.ENTER_FRAME, enterFrameHandler);
            stage.addEventListener(MouseEvent.MOUSE_MOVE, mouseMoveHandler);
        }
         
        private function mouseMoveHandler($evt:MouseEvent):void
        {
             
            var old:Point = this.transform.perspectiveProjection.projectionCenter;
            old.y = stage.mouseY;
            root.transform.perspectiveProjection.projectionCenter = old;
         
        }
         
        private function enterFrameHandler($evt:Event):void
        {
             
            //마우스로 회전제어
            _yaw += THETA*(stage.mouseX-stage.stageWidth/2);
             
            display();
         
        }
         
 
         
        private function display():void
        {
            var angle:Number;
            for (var i:int = 0; i<IMG_NUM; i++)
            {
                angle = _yaw+i*2*Math.PI/IMG_NUM;
                _imgArr[i].x = _r*Math.cos(angle);
                _imgArr[i].z = _r*Math.sin(angle);
                 
                //angle과 수직이 되도록 rotationY 를 설정
                _imgArr[i].rotationY = (180/Math.PI)*-1*(Math.PI/2+angle);
                 
                 
                /* //rotationY 대신 transform속성으로 회전하기
                   _imgArr[i].transform.matrix3D.pointAt(new Vector3D(),Vector3D.Z_AXIS, new Vector3D(0, -1, 0));
                 */
            }
             
            //다시 그리기
            var seq:Vector.<int> = genSequence(IMG_NUM);
            seq.sort(compare);
             
            _container.removeChildren();
            for (i = 0; i<IMG_NUM; i++)
            {
                _container.addChild(_imgArr[seq[i]]);
            }
         
             
            //z소팅을 위한 비교함수
            function compare($a:int, $b:int):Number
            {
                if (_imgArr[$a].z>_imgArr[$b].z)
                    return -1;
                else if (_imgArr[$a].z==_imgArr[$b].z)
                    return 0;
                else
                    return 1;
            }
        }
 
         
        private function genSequence($n:int):Vector.<int>
        {
            var arr:Vector.<int> = new Vector.<int>($n);
            for (var i:int = 0; i<$n; i++) {
                arr[i] = i;
            }
            return arr.concat();
        }
    }
}

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