Forked from: nabe's GREEN粒子 diff:38 forked from: GREEN粒子 nabe forked:1favorite:3lines:66license : All rights reserved modified : 2009-01-15 07:31:45 Embed Tweet // forked from nabe's GREEN粒子 package { import flash.display.*; import flash.events.*; [SWF(width="465", height="465", backgroundColor="0", frameRate="24")] public class Program_ extends Sprite { private const W_:uint = stage.stageWidth; private const H_:uint = stage.stageHeight; public function Program_ () { addEventListener(Event.ADDED_TO_STAGE, init_); } private function init_ (evnet_:Event):void { removeEventListener(Event.ADDED_TO_STAGE, init_); x = W_>>1; y = H_>>1; for (var i:int = 0; i < 20; i++) { addChild(new GN_); } } } } import flash.display.*; import flash.events.*; import flash.geom.*; class GN_ extends Sprite { private var vx_:Number; private var vy_:Number; private var k_:Number; public function GN_ () { draw_(); reset_(); addEventListener(Event.ENTER_FRAME, update_); } private function update_ (evnet_:Event):void { x += vx_; y += vy_; if (Math.random() < 0.75) { vx_ += 0.5 * (Math.random() - 0.5); vy_ += 0.5 * (Math.random() - 0.5); } alpha *= k_; if (alpha < 0.001) reset_(); } private function reset_ ():void { x = 100 * (Math.random() - 0.5); y = 100 * (Math.random() - 0.5); alpha = (Math.random() + 3) * 0.25; vx_ = 3 * (Math.random() - 0.5); vy_ = 3 * (Math.random() - 0.5); k_ = (Math.random() + 19) * 0.05; } private function draw_ ():void { var rect_:Rectangle = new Rectangle(-100, -100, 200, 200); var matrix_:Matrix = new Matrix(); matrix_.createGradientBox(200, 200, 0, -100, -100); var g_:Graphics = graphics; g_.beginGradientFill( GradientType.RADIAL, [0xAAFFEE, 0x33CC99, 0x00CC99], [0.75, 0.25, 0], [0, 0xF, 0xCF], matrix_, SpreadMethod.PAD, InterpolationMethod.RGB, 0 ); g_.drawEllipse(rect_.x, rect_.y, rect_.width, rect_.height); g_.endFill(); } } Code Fullscreen Preview Fullscreen wanson Waiting_wt atsumo alpha Event.ADDED_TO_STAGE SpreadMethod.PAD InterpolationMethod.RGB addEventListener drawEllipse GradientType.RADIAL Rectangle beginGradientFill removeEventListener graphics width height endFill createGradientBox Matrix addChild uint Event.ENTER_FRAME stageWidth sort new page view favorite forked pv175 forked from: forked from: GREE.. Don forked:0 favorite:0lines:66 (diff:1)