forked from: 犬フラクタル

/**
 * Copyright hiro_loveness1 ( http://wonderfl.net/user/hiro_loveness1 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/9s1R
 */

// forked from yanbaka's 犬フラクタル
package
{
    import caurina.transitions.Tweener;
    
    import flash.display.Bitmap;
    import flash.display.Loader;
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.events.MouseEvent;
    import flash.geom.Rectangle;
    import flash.net.URLRequest;
    import flash.system.Security;
    
    public class Fractal extends Sprite
    {
        private static const WIDTH:Number = 465;
        private static const HEIGHT:Number = 465
        private static const IMAGE_PATH:String = "http://yanbaka.com/wonderfl/kote.jpg";
        private var _image:Bitmap;
        
        private var sizeList:Array = [31, 93, 155];
        private var rectList:Array = [];
        private var imageList:Array = [];
        
        public function Fractal()
        {
            load();
        }
        
        private function load():void
        {
            Security.loadPolicyFile("http://5ivestar.org/proxy/crossdomain.xml");
             
            var loader:Loader = new Loader();
            loader.contentLoaderInfo.addEventListener(Event.COMPLETE, onComplete);
            loader.load(new URLRequest("http://5ivestar.org/proxy/"+IMAGE_PATH));
        }
        
        private function onComplete(e:Event):void
        {
            _image = Bitmap(e.target.loader.content);
            
            start();
            
            stage.addEventListener(MouseEvent.CLICK, function():void
            {
                reset();
            });
        }
        
        public function reset():void
        {
            Tweener.removeAllTweens();
            var i:int = imageList.length;
            while(i--)
            {
                var image:Bitmap = imageList[i];
                removeChild(image);
                image = null;
            }
            rectList = [];
            imageList = [];
            
            start();
        }
        
        private function start():void
        {
            add(new Rectangle(0, 0, WIDTH, HEIGHT));
            put();
        }
        
        private function put():void
        {
            var i:int = rectList.length;
            while(i--)
            {
                var rect:Rectangle = rectList[i];
                var image:Bitmap = imageList[i];
                image.bitmapData = _image.bitmapData;
                image.smoothing = true;
                image.x = rect.x;
                image.y = rect.y;
                image.width = rect.width;
                image.height = rect.height;
                image.y = 0;
//                image.y = rect.y -5;
                
                image.alpha = 0.0;
                Tweener.addTween(image, {delay:i*0.05, alpha:1.0, y:rect.y, time:0.5});
            }
        }
        
        private function add(base:Rectangle):void
        {
            var temp1:Rectangle;
            var temp2:Rectangle;
            var size:int = sizeList[getSize(base)];
            
            // 残りの空白
            var r:int = getRandom(8);
            var rx:int;
            var ry:int;
            switch(r)
            {
                case 0:
                // 左上（横）
                temp1 = new Rectangle(base.x+size, base.y+0, base.width-size, size);
                temp2 = new Rectangle(base.x+0, base.y+size, base.width-0, base.height-size);
                rx = base.x+0;
                ry = base.y+0;
                break;
                
                case 1:
                // 右上（横）
                temp1 = new Rectangle(base.x+0, base.y+0, base.width-size, size);
                temp2 = new Rectangle(base.x+0, base.y+size, base.width-0, base.height-size);
                rx = base.x+base.width-size;
                ry = base.y+0;
                break;
                
                case 2:
                // 左下（横）
                temp1 = new Rectangle(base.x+0, base.y+0, base.width, base.height-size);
                temp2 = new Rectangle(base.x+size, base.y+base.height-size, base.width-size, size);
                rx = base.x+0;
                ry = base.y+base.height-size;
                break;
                
                case 3:
                // 右下（横）
                temp1 = new Rectangle(base.x+0, base.y+0, base.width, base.height-size);
                temp2 = new Rectangle(base.x+0, base.y+base.height-size, base.width-size, size);
                rx = base.x+base.width-size;
                ry = base.y+base.height-size;
                break;
                
                case 4:
                // 左上（縦）
                temp1 = new Rectangle(base.x+0, base.y+size, size, base.height-size);
                temp2 = new Rectangle(base.x+size, base.y+0, base.width-size, base.height-0);
                rx = base.x+0;
                ry = base.y+0;
                break;
                
                case 5:
                // 右上（縦）
                temp1 = new Rectangle(base.x+base.width-size, base.y+size, size, base.height-size);
                temp2 = new Rectangle(base.x+0, base.y+0, base.width-size, base.height-0);
                rx = base.x+base.width-size;
                ry = base.y+0;
                break;
                
                case 6:
                // 左下（縦）
                temp1 = new Rectangle(base.x+0, base.y+0, size, base.height-size);
                temp2 = new Rectangle(base.x+size, base.y+0, base.width-size, base.height);
                rx = base.x+0;
                ry = base.y+base.height-size;
                break;
                
                case 7:
                // 右下（縦）
                temp1 = new Rectangle(base.x+base.width-size, base.y+0, size, base.height-size);
                temp2 = new Rectangle(base.x+0, base.y+0, base.width-size, base.height);
                rx = base.x+base.width-size;
                ry = base.y+base.height-size;
                break;
                
                default:
                break;
            }
            
            // 生成
            var rect:Rectangle = new Rectangle(rx, ry, size, size);
            rectList.push(rect);
            var image:Bitmap = new Bitmap();
            imageList.push(image);
            addChild(image);
            
            // 再帰
            if(temp1.width > 0 && temp1.height > 0)
            {
                add(temp1);
            }
            
            if(temp2.width > 0 && temp2.height > 0)
            {
                add(temp2);
            }
        }
        
        private function getSize(rect:Rectangle):int
        {
            var result:int;
            
            var min:int;
            (rect.width > rect.height)? min = rect.height : min = rect.width;
            
            if(min < sizeList[1])
            {
                result = 0;
            }
            else if(min < sizeList[2])
            {
                result = getRandom(2);
            }
            else
            {
                result = getRandom(3);
            }
            
            return result;
        }
        
        private function getRandom(value:int):int
        {
            return Math.random()*value >> 0;
        }
    }
}