forked from: ためしに作ったもの

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@author T.H.

by makc3d 19 Jun 2011

• Forked from 9dim's ためしに作ったもの
• Diff: 16
• Related works: 1

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9dim at 19 Jun 2011 18:44
forkありがとうございます！奥行きの表現が素晴らしいですね　参考にさせて頂きます
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/**
 * Copyright makc3d ( http://wonderfl.net/user/makc3d )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/cVKT
 */

// forked from 9dim's ためしに作ったもの
package {
    import flash.display.Shape;
    import flash.display.Sprite;
    import flash.display.Stage;
    import flash.events.Event;
    import flash.display.Graphics;
    import flash.events.MouseEvent;
    import flash.events.TimerEvent;
    import flash.utils.Timer;
    
    /**
     * ...
     * @author T.H.
     */
    public class Main extends Sprite 
    {
        private var sprite : Sprite =  new Sprite();
        private var graphic : Graphics = sprite.graphics;

        private var X :  int ;
        private var Y :  int; 
        
        public function Main():void 
        {    
            if (stage) init();
            else addEventListener(Event.ADDED_TO_STAGE, init);
        }

        private function init(e:Event = null):void 
        {
            removeEventListener(Event.ADDED_TO_STAGE, init);
            // entry point
                            
            addChild(sprite);

            var timer:Timer = new Timer(1 , 100000000); // 1ミリ秒 = １回
            var split:int = 0;
            timer.addEventListener(TimerEvent.TIMER, timerFunc);
            timer.start();

            function timerFunc(event:TimerEvent):void
            {

                graphic.clear();
                
                //背景の描画
                graphic.beginFill(0x000000, 1);
                graphic.drawRect(0, 0, stage.stageWidth, stage.stageHeight);
                        
                graphic.lineStyle (1, 0x00FF00, 1.0);    // 直線スタイルを設定
                        
                for (var i : int = 0; i < 9; i++) { //消失線の描画
                    graphic.moveTo (0, stage.stageHeight/9*i);
                    graphic.lineTo ((stage.stageWidth) / 2, (stage.stageHeight) / 2);    // 線を描画
                    graphic.moveTo (stage.stageWidth, stage.stageHeight/9*i);
                    graphic.lineTo ((stage.stageWidth) / 2, (stage.stageHeight) / 2);    // 線を描画
                    graphic.moveTo (stage.stageWidth/9*i,0);
                    graphic.lineTo ((stage.stageWidth) / 2, (stage.stageHeight) / 2);    // 線を描画
                    graphic.moveTo (stage.stageWidth/9*i, stage.stageHeight);
                    graphic.lineTo ((stage.stageWidth) / 2, (stage.stageHeight) / 2);    // 線を描画                
                }
                
                graphic.beginFill(0x00FF00, 0);//塗りつぶしの設定
                
                for (i = 0; i < 20; i++) { //奥行き感の表現
					var F:Number = 345; // focal length
					var Z:Number = F * (2 + i - split / 40); // distance
					var S:Number = F / Z; // projection

                    X = stage.stageWidth * S;
                    Y = stage.stageHeight * S;
                    graphic.drawRect((stage.stageWidth-X)/2,(stage.stageHeight-Y)/2,X,Y);
                }
                
            if (split++ == 40) { split = 0; }
                
            }
        }  
    }
}