Typhoon mononoahare forked:4favorite:9lines:88license : All rights reserved modified : 2009-04-02 00:40:49 Embed Tweet package { import flash.display.Sprite; import flash.events.Event; import flash.events.MouseEvent; [SWF(backgroundColor="#000000", frameRate=30)] public class ParticleTest extends Sprite { private var _ballNum:uint=35; private var _ballAr:Array=[]; public function ParticleTest() { addEventListener(Event.ADDED_TO_STAGE,init); } private function init(e:Event):void { removeEventListener(Event.ADDED_TO_STAGE,init); addEventListener(Event.ENTER_FRAME,render) } private function render(e:Event):void{ if(_ballAr.length!=_ballNum){ _ballAr.push(new Particle(_ballAr.length-1)); _ballAr[_ballAr.length-1].addChild(this) } for(var i:uint=0;i<_ballAr.length;i++){ _ballAr[i].update() } } } } import flash.display.Sprite; import flash.display.DisplayObjectContainer; import flash.filters.* class Ball extends Sprite { private var _id:uint public function Ball(id:uint) { _id=id drawCirc(); } private function drawCirc():void { var color:uint=0xFFFFFF*Math.random() graphics.beginFill(color); graphics.drawCircle(0,0,10); graphics.endFill(); blendMode="add" filters=[new GlowFilter(color,1,8,8)] } } class Particle{ private var _x:Number; private var _y:Number; private var _z:Number; private var _scaleX:Number; private var _scaleY:Number; private var _id:uint; private var _graphic:Ball; private var _rad:Number=1; private var _r:Number=100; public function Particle(num:uint){ _id=num; _graphic=new Ball(_id); _rad=Math.PI*_id/2 _y=480; } public function update():void { _y=_y-2 _r=(480-_y)/2 _rad=_rad+0.1; _x=Math.cos(_rad)*_r+240; _z=Math.sin(_rad)*_r+240; _scaleX=_scaleY=_z/480*(480-_y)/480 _graphic.x=_x; _graphic.y=_y; _graphic.scaleX=_scaleX; _graphic.scaleY=_scaleY; if(_y<0){ init() } } private function init():void { _y=480 } public function addChild(container:Sprite):void { trace(container) container.addChild(_graphic) } } Code Fullscreen Preview Fullscreen sadamitsu hirosi25 AM300 twelvetoes twistcube KiKiKi_KiKi webpenta bradsedito : ' soundkitchen.. : particleキレイに動く。 particle color addEventListener MouseEvent.ADDED_TO_STAGE scaleY scaleX blendMode filters removeEventListener GlowFilter MouseEvent.ENTER_FRAME trace length push Math.cos Math.PI addChild uint Math.sin Array Math.random sort new page view favorite forked pv206 forked from: Typhoon uepon24 forked:0 favorite:1lines:88 (diff:1) pv686 forked from: Typhoon mononoahare forked:1 favorite:2lines:88 (diff:5) tag: draw typography pv335 forked from: Typhoon soundkitchen forked:0 favorite:1lines:95 (diff:196) pv275 Typhoon2 forked from: Typhoon.. mononoahare forked:0 favorite:0lines:105 (diff:44)