flash on 2011-5-13

/**
 * Copyright yama3 ( http://wonderfl.net/user/yama3 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/6Bx0
 */

package {
    import flash.display.Sprite;
    import flash.display.Bitmap;
    import flash.display.BitmapData;
    import flash.filters.BlurFilter;
    import flash.geom.ColorTransform;
    import flash.geom.Rectangle;
    import flash.geom.Transform;
    import flash.text.TextField;
    import flash.text.TextFieldAutoSize;
    import flash.text.TextFieldType;
    import flash.text.AntiAliasType;
    import flash.text.TextFormat;
    import flash.events.Event;
    import flash.text.TextFormatAlign;
    import flash.filters.GlowFilter;
    
    [SWF(frameRate="30", width="465", height="465", backgroundColor="0xffffff")]
    
    public class FlashTest extends Sprite {
        private var _maxLabel:int = 150;
        private var _maxWidth:int = 50;
        private var vecText:Vector.<lettre> = new Vector.<lettre>();
        private var colorT:ColorTransform;
        private var canvas:BitmapData;
        private var contLabel:Sprite = new Sprite();
        
        public function FlashTest() {
            if(stage) init();
            else addEventListener(Event.ADDED_TO_STAGE, init);            
        }
        
        private function init(e:Event=null):void {
            this.removeEventListener(Event.ADDED_TO_STAGE, init);
            var bg_canvas:BitmapData = new BitmapData(stage.stageWidth, stage.stageHeight, true, 0xff000000);
            var bg_color:Bitmap = new Bitmap(bg_canvas);
            this.addChild(bg_color);
            canvas = new BitmapData(stage.stageWidth, stage.stageHeight, true, 0x00000000);
            var glow:GlowFilter = new GlowFilter(0x00ff00, 1, 8, 8, 2, 1, false, false);
            this.contLabel.filters = [glow];
            this.addChild(this.contLabel);
            
            var fd:Bitmap = new Bitmap(canvas);
            var blur:BlurFilter = new BlurFilter(2, 2, 1);
            fd.filters = [blur];
            this.addChild(fd);
            colorT = new ColorTransform(0.95, 1, 0.95, 0.98, 0, 0, 0, -0.2);
            this.addEventListener(Event.ENTER_FRAME, refresh);
        }
        
        private function refresh(e:Event):void {
            canvas.colorTransform(new Rectangle(0, 0, stage.stageWidth, stage.stageHeight), this.colorT);
            for(var i:int=0; i<this.vecText.length; i++) {
                this.refreshLabel(i);
            }
            if(this.vecText.length < this._maxLabel) {
                var label:lettre = new lettre();
                label.x = int(Math.random()*this._maxWidth)*(stage.stageWidth/this._maxWidth);
                this.contLabel.addChild(label);
                this.vecText.push(label);
            }
        }
        
        private function refreshLabel(i:int):void {
            var label:lettre = this.vecText[i];
            if(label.y > stage.stageHeight) {
                this.contLabel.removeChild(label);
                this.vecText.splice(i, 1);
            } else {
                label.refresh();
            }
            if((label.y - label.lastPrint) > label.textHeight) {
                label.lastPrint = label.y;
                this.printLabel(label);
            }
        }
        
        private function printLabel(label:lettre):void {
            var trans:Transform = label.transform;
            this.canvas.draw(label, trans.matrix);
        }
    }
}

import flash.filters.GlowFilter;
import flash.text.TextField;
import flash.text.TextFormat;
import flash.text.TextFieldAutoSize;
import flash.text.TextFormatAlign;
import flash.text.AntiAliasType;

class lettre extends TextField
{
    private var allowT:Array;
    private var vitesse:Number;
    public var lastPrint:int = -30;
    
    public function lettre()
    {
        var str:String = new String("abcdefghijklmnopqrstuvwxyz0123456789");
        
        allowT = str.split("");
        this.creaLabel();
        this.vitesse = 1 + Math.random() * 2;
    }
    
    public function refresh():void {
        this.text = allowT[int(Math.random()*(allowT.length-1))];
        this.y += this.vitesse;
    }
    
    private function creaLabel():void {
        var format1:TextFormat = new TextFormat();
        format1.font = "Arial";
        format1.color = 0xffffff;
        format1.size = 10;
        format1.leading = -4;
        format1.bold = true;
        
        this.width = 15;
        this.multiline = true;
        this.wordWrap = true;
        this.autoSize = TextFieldAutoSize.NONE;
        this.antiAliasType = AntiAliasType.ADVANCED;
        this.defaultTextFormat = format1;
        this.text = allowT[int(Math.random()*(allowT.length-1))];
        this.defaultTextFormat = format1;
    }
}