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Dead Code Preservation :: Archived AS3 works from wonderfl.net

forked from: TearPaperEffect

しっぽ流デザインパターン講座(F-site講演資料)
(http://sipo.jp/blog/2010/11/f-site.html)
で使用されているエフェクト効果です。
文字や絵が何もしなくても手が込んでる感じになるので
とても便利です。
文字は入力可能。
Get Adobe Flash player
by jsmithrocker 30 Nov 2010
/**
 * Copyright jsmithrocker ( http://wonderfl.net/user/jsmithrocker )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/yRqo
 */

// forked from tail_y's TearPaperEffect
package{
    import flash.display.Bitmap;
    import flash.display.BitmapData;
    import flash.display.Loader;
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.filters.DropShadowFilter;
    import flash.filters.GlowFilter;
    import flash.geom.Point;
    import flash.geom.Rectangle;
    import flash.net.URLRequest;
    import flash.system.Security;
    import flash.text.TextField;
    import flash.text.TextFieldType;
    import flash.text.TextFormat;
    import flash.text.TextFormatAlign;

    /**
     * しっぽ流デザインパターン講座(F-site講演資料)
     * (http://sipo.jp/blog/2010/11/f-site.html)
     * で使用されているエフェクト効果です。
     * 文字や絵が何もしなくても手が込んでる感じになるので
     * とても便利です。
     * 文字は入力可能。
     */
    public class TearPaperEffect extends Sprite{
        public function TearPaperEffect(){
            WonderflTemplate.Initialize(this, Initialize, 20, 0x888888, 5);
        }
        
        private var _bg:Loader;
        private var _clear:BitmapData;
        private var _display:BitmapData;
        private var _point:Point = new Point();
        private var _rect:Rectangle = new Rectangle(0, 0, WonderflTemplate.WIDTH, WonderflTemplate.HEIGHT);
        
        private var _hide:Sprite;    // 表示されない部分(マウスの入力を受け取る)
        private var _original:Sprite;    // 描画される元となる部分
        private var _displayBmp:Bitmap;    // 実際に表示される部分
        
        private var _tf:TextField;
        
        private var _glow:GlowFilter = new GlowFilter(0xffffff, 1, 16, 16, 2, 2);
        private var _subGlow:GlowFilter = new GlowFilter(0xffffff, 1, 2, 2, 2, 2);
        private var _shadow:DropShadowFilter = new DropShadowFilter(5, 90, 0x000000, 0.8, 16, 16);
        
        public function Initialize():void{
            _clear = new BitmapData(WonderflTemplate.WIDTH, WonderflTemplate.HEIGHT, true, 0x00000000);
            _display = _clear.clone();
            
            _bg = new Loader();
            Security.loadPolicyFile("http://asset.sipo.jp/wonderfl/crossdomain.xml");
            _bg.load(new URLRequest("http://asset.sipo.jp/wonderfl/img/tearPaperEffect/greenDot.jpg"));
            addChild(_bg);
            
            _hide = new Sprite();
            _original = new Sprite();
            _displayBmp = new Bitmap(_display);
            _displayBmp.smoothing = true;

            addChild(_displayBmp);
            addChild(_hide);
            _hide.addChild(_original);
            _hide.alpha = 0;
            
            _tf = new TextField();
            _tf.x = 0;
            _tf.y = 180;
            _tf.width = WonderflTemplate.WIDTH;
            _tf.height = WonderflTemplate.HEIGHT;
            _tf.type = TextFieldType.INPUT;
            _tf.multiline = true;
            var format:TextFormat = _tf.getTextFormat();
            
                        
                                               
            format.size = 40;
            format.align = TextFormatAlign.CENTER;
            _tf.defaultTextFormat = format;
            _tf.text = "Awesome effect!";
            _original.addChild(_tf);
            stage.focus = _tf;
            _tf.setSelection(_tf.text.length, _tf.text.length);
            
            draw();
            addEventListener(Event.ENTER_FRAME, frame);
        }
        
        private function frame(event:Event):void{
            draw();
        }
        
        /* メイン処理*/
        private function draw():void{
            var originalBmd:BitmapData = _clear.clone();
            originalBmd.draw(_original);
            _display.applyFilter(originalBmd, _rect, _point, _glow);
            _display.threshold(_display, _rect, _point, ">", 0x00000000, 0xffffffff, 0xff000000, true);
            _display.applyFilter(_display, _rect, _point, _subGlow);
            _display.applyFilter(_display, _rect, _point, _shadow);
            _display.copyPixels(originalBmd, _rect, _point, null, null, true);
        }
    }
}

import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.Sprite;
import flash.events.Event;


/* 初期化テンプレート*/
class WonderflTemplate{
    public static const WIDTH:int = 465;
    public static const HEIGHT:int = 465;
    
    private static var _target:Sprite;
    private static var _handler:Function;
    
    public static function Initialize(target:Sprite, handler:Function, fps:Number, bgColor:uint, captureDelay:int):void{
        _target = target;
        _handler = handler;

        target.stage.frameRate = fps;
        
        var bg:Bitmap = new Bitmap(new BitmapData(WIDTH, HEIGHT, false, bgColor));
        target.addChild(bg);

        Wonderfl.capture_delay(captureDelay);
        
        target.addEventListener(Event.ADDED_TO_STAGE, addToStageHandler);
    }
    private static function addToStageHandler(event:Event):void{
        _target.removeEventListener(Event.ADDED_TO_STAGE, addToStageHandler);
        _handler();
    }
}