flash on 2011-5-12

...
@author gaina

by gaina 11 May 2011

Tags

cool shape
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/**
 * Copyright gaina ( http://wonderfl.net/user/gaina )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/sHql
 */

package 
{
    import caurina.transitions.Tweener;
    import flash.display.DisplayObject;
    import flash.display.Shape;
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.events.MouseEvent;
    
    
    /**
     * ...
     * @author gaina
     */
     
    public class Main extends Sprite 
    {
        
        private var _width:Number;
        private var _height:Number;
        private var _container:Sprite;
        private var _grids:Array = [];

        public function Main():void 
        {
            if (stage) init();
            else addEventListener(Event.ADDED_TO_STAGE, init);
        }

        private function init(e:Event = null):void 
        {
            removeEventListener(Event.ADDED_TO_STAGE, init);
            // entry point
            
            _width = stage.stageWidth;
            _height = stage.stageHeight;
            
            _container = new Sprite();
            addChild(_container);
            
            grid();
            
            stage.addEventListener(MouseEvent.CLICK, onClick);
        }
        
        private function onClick(e:MouseEvent):void
        {
            grid();
        }
        
        private function grid():void
        {
            var gx:int = Math.ceil(_width / 50);
            var gy:int = Math.ceil(_height / 50);
            if (_grids.length > 0) {
                for (var g:int = 0; g < _grids.length; g++) {
                    _container.removeChild(_grids[g] as DisplayObject);
                    _grids[g] = null;                    
                }
            }
            _grids = [];
            for (var i:int = 0; i < gx; i++) {
                for (var j:int = 0; j < gy; j++) {
                    var p:Shape = new Shape();
                    p.graphics.beginFill(0);
                    p.graphics.drawRect(0, 0, 50, 50);
                    p.x = i * 50;
                    p.y = j * 50;
                    _grids.push(p);
                    _container.addChild(p);
                }
            }
            animateGrid(shuffle(_grids));
        }
        
        private function animateGrid(arr:Array):void 
        {
            Tweener.removeAllTweens();
            var _len:int = arr.length;
            for (var i:int = 0; i < _len; i++) {
                var p:Shape = arr[i] as Shape;
                if (i != _len -1) {
                    var XY:int = i % 2;
                    if (XY == 1) {
                        Tweener.addTween(p, { time:0.5, delay:1 + i / 200, scaleY:0, transition:"easeInOutBack" } );
                    }else {
                        Tweener.addTween(p, { time:0.5, delay:1 + i / 200, scaleX:0, transition:"easeInOutBack" } );
                    }
                }else {
                    Tweener.addTween(p, { x:_width / 2, y:_height / 2, scaleX:0, scaleY:0, rotation:720, time:0.5, delay:3 + i / 200, transition:"easeInOutBack" });
                }
            }
        }
        
        /***********
         * 配列のシャッフル
         *************/
        private function shuffle(array:Array):Array
        {
            var _arr:Array = array;
            var _len:int = array.length;
            
            while (_len) {
                var n:int = Math.floor(Math.random() * _len);
                var data:Shape = _arr[--_len];
                _arr[_len] = _arr[n];
                _arr[n] = data;
            }
            return _arr;
        }

    }

}