// forked from nitoyon's Hello World!!!
package{
    import flash.display.*;
    import flash.text.*;
    import flash.filters.*;
    import flash.geom.*;
    import caurina.transitions.Tweener;

public class Foo extends Sprite{
        private var bd:BitmapData;
        public function Foo():void{
            var tf:TextField = new TextField();
            tf.textColor = 0x000000;
            tf.text = "漢字でも\nOK!!";
            tf.autoSize = "left";
            bd = new BitmapData(tf.width, tf.height, false, 0x33ff99);
            bd.draw(tf);
            bd.applyFilter(bd, bd.rect, new Point(), new BlurFilter());
            bd.draw(tf);

for(var i:int = 0; i < bd.width; i++){
                for(var j:int = 0; j < bd.height; j++){
                    Tweener.addTween(
                        randomize(addChild(new Circle(bd.getPixel(i, j)))), 
                        {
                            x: i * 8,
                            y: j * 8,
                            alpha: 1,
                            rotation: 3600,
                            delay: (i + j) * .2 * Math.random(),
                            time: 5
                        }
                    );
                }
            }
        }
        private function randomize(d:DisplayObject):DisplayObject{
            d.x = 1000 * Math.random();
            d.y = 1000 * Math.random();
            d.alpha = 0;
            return d;
        }
    }
}

import flash.display.Sprite;

class Circle extends Sprite{
    public function Circle(color:uint):void{
        //graphics.lineStyle(1, color);
        //graphics.drawCircle(0, 0, 4);
        graphics.beginFill(color);
        graphics.drawRoundRect(0, 0, 7, 7, 4, 4);
        graphics.endFill();
    }
}

forked from: Hello World!!!