// forked from 12px's Flower package { import flash.utils.Timer; import flash.events.TimerEvent; import flash.events.Event; import flash.events.MouseEvent; import flash.geom.Point; import flash.geom.ColorTransform; import flash.filters.BlurFilter; import flash.display.MovieClip; import flash.display.Bitmap; import flash.display.BitmapData; [SWF(width="465", height="465", backgroundColor="0x000000", frameRate="30")] public class Flower extends MovieClip { //---------------------------------------------------------------------------------------------------- // properties private var _base:Object; private var _prop:Object; //---------------------------------------------------------------------------------------------------- // constructor public function Flower() { startDrawing(); } //---------------------------------------------------------------------------------------------------- // code private function startDrawing():void { _base = this; _prop = {}; _prop.bgColor = 0x000000; _prop.pixelColor = 0xffffff; _prop.defaultWidth = 465; _prop.defaultHeight = 465; _prop.ang = 12; _prop.pAry = addParticle(1800); // _prop.bmd = new BitmapData( _prop.defaultWidth , _prop.defaultHeight , false , _prop.bgColor); _prop.bm = new Bitmap( _prop.bmd ); _base.addChild(_prop.bm); _base.addEventListener(Event.ENTER_FRAME, _onEnterFrame); // _base.stage.addEventListener(MouseEvent.MOUSE_UP, _onStageMouseUp); // _prop.timer = new Timer(2000); _prop.timer.addEventListener(TimerEvent.TIMER, timerhandler); _prop.timer.start(); } private function _onStageMouseUp(e:MouseEvent):void { _prop.timer.reset(); _prop.timer.start(); update(); } private function timerhandler(event:TimerEvent):void { update(); } private function _onEnterFrame(event:Event):void { for(var i:int=10; i<_prop.pAry.length; i++){ if(i%2 == 1){ _prop.pAry[i].x = Math.cos(_prop.ang*i)*i*.1 + _prop.defaultWidth/2; _prop.pAry[i].y = Math.sin(_prop.ang*i)*i*.1 + _prop.defaultHeight/2; } else{ _prop.pAry[i].x = Math.sin(_prop.ang*i)*i*.1 + _prop.defaultWidth/2; _prop.pAry[i].y = Math.cos(_prop.ang*i)*i*.1 + _prop.defaultHeight/2; } } _prop.ang += .000001; // for(var ii:int=10; ii<_prop.pAry.length-1; ii++){ _prop.bmd.setPixel(_prop.pAry[ii].x, _prop.pAry[ii].y, _prop.pixelColor); } _prop.bmd.colorTransform( _prop.bmd.rect, new ColorTransform( 1, 1, 1, 1, (Math.random()*-2)-1, (Math.random()*-2)-1, (Math.random()*-2)-1, 1 ) ); _prop.bmd.applyFilter(_prop.bmd, _prop.bmd.rect, new Point(0, 0), new BlurFilter(2, 2, 4)); } private function update():void { _prop.ang += randomNumberRange(1, 10); }; // particle private function addParticle(num:Number):Array { _prop.container = new MovieClip(); var ar:Array = []; for(var i:int=0; i<num; i++){ var s:Object = {}; s.id = i; ar.push(s); } return ar; } //---------------------------------------------------------------------------------------------------- //util public static function randomNumberRange(min:Number, max:Number):Number { return min + Math.random()*(max+1 - min) }; //---------------------------------------------------------------------------------------------------- } }