package { import flash.display.Sprite; import flash.display.MovieClip; import flash.events.Event; import flash.events.MouseEvent; import flash.text.TextField; import flash.text.TextFormat; import flash.utils.ByteArray; public class FlashTest extends Sprite { public function FlashTest() { check(); var button:SpriteButton = new SpriteButton(100, 20, "再計算"); this.addChild(button); button.y = this.stage.stageHeight - button.height; button.addEventListener(MouseEvent.CLICK, this.button_clickHandler); } private function button_clickHandler(event:MouseEvent):void { clearTrace(); this.check(); } public function check():void { const ITER:int = 50000; measure("空ループ", function():void { for (var i:int = 0; i < ITER; i++) { ; } }); measure("Object", function():void { for (var i:int = 0; i < ITER; i++) { var o:Object = {}; } }); measure("Array", function():void { for (var i:int = 0; i < ITER; i++) { var o:Array = []; } }); measure("ByteArray", function():void { for (var i:int = 0; i < ITER; i++) { var o:ByteArray = new ByteArray(); } }); measure("Date", function():void { for (var i:int = 0; i < ITER; i++) { var o:Date = new Date(); } }); measure("XML", function():void { for (var i:int = 0; i < ITER; i++) { var o:XML = new XML(); } }); measure("Error", function():void { for (var i:int = 0; i < ITER; i++) { var o:Error = new Error(); } }); measure("Event", function():void { for (var i:int = 0; i < ITER; i++) { var o:Event = new Event(""); } }); measure("Sprite", function():void { for (var i:int = 0; i < ITER; i++) { var o:Sprite = new Sprite(); } }); measure("MovieClip", function():void { for (var i:int = 0; i < ITER; i++) { var o:MovieClip = new MovieClip(); } }); measure("TextField", function():void { for (var i:int = 0; i < ITER; i++) { var o:TextField = new TextField(); } }); } private var _measureDate:Date; private var _measureTitle:String; public function startMeasure(title:String):void { this._measureDate = new Date(); this._measureTitle = title; } public function endMeasure():void { var ms:Number = new Date().time - this._measureDate.time; this.trace(this._measureTitle, ":", ms + "ms"); } public function measure(title:String, func:Function):void { this.startMeasure(title); func(); this.endMeasure(); } private var _traceField:TextField; public function trace(...message):void { if (!this._traceField) { this._traceField = new TextField(); this._traceField.width = this.stage.stageWidth; this._traceField.height = this.stage.stageHeight; this._traceField.defaultTextFormat = new TextFormat("_typewriter", 10); this.addChild(this._traceField); } this._traceField.appendText(message.join(" ") + "\n"); } public function clearTrace():void { if (this._traceField) { this._traceField.text = ""; } } } } import flash.display.Sprite; import flash.text.TextField; import flash.text.TextFormat; class SpriteButton extends Sprite { public function SpriteButton(width:Number, height:Number, text:String):void { super(); this.graphics.lineStyle(1, 0x664422); this.graphics.beginFill(0xffcc99); this.graphics.drawRoundRect(0, 0, width, height, 8); var textField:TextField = new TextField(); textField.width = width; textField.height = height; textField.defaultTextFormat = new TextFormat("_typewriter", 10, null, null, null, null, null, null, "center"); textField.text = text; this.addChild(textField); this.mouseChildren = false; this.buttonMode = true; } }