パフォーマンス比較

JavaScriptとパフォーマンス比較
http://jsdo.it/demouth/n3n6

by demouth 27 Jul 2013

Embed

/**
 * Copyright demouth ( http://wonderfl.net/user/demouth )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/bA1P
 */

package {
    import flash.display.Graphics;
    import flash.events.Event;
    import flash.display.Sprite;
    import net.hires.debug.Stats;
    import com.bit101.components.NumericStepper;
    public class FlashTest extends Sprite {
        protected var numParticles:int=1000;
        public function FlashTest() {
            // write as3 code here..
            this.stage.frameRate=60;
            this.init();
        }
        protected function init():void{
            var stepper:NumericStepper = new NumericStepper(this, 0, 0, this.numChangeHandler);
            stepper.value=this.numParticles;
            stepper.x=100;
            stepper.step=100;
            this.addChild(new Stats());
            this.addEventListener(Event.ENTER_FRAME, this.enterFrameHandler);
        }
        private function enterFrameHandler(event:Event):void{
            var g:Graphics=this.graphics;
            var i:int=0,l:int=this.numParticles;
            var w:int=this.stage.stageWidth, h:int=this.stage.stageHeight;
            g.clear();
            for(;i<l;i++){
                g.beginFill(0);
                g.drawCircle(Math.random()*w,Math.random()*h,1);
                g.endFill();
            }
        }
        private function numChangeHandler(event:Event):void{
            this.numParticles = event.currentTarget.value;
        }

    }
}