Pixel Fun

Pixel Fun
* @author civet
*
* BUG: when CLearType enable (2009-11-10)

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lines:91
license : All rights reserved
modified : 2009-11-10 15:23:23

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/**
 * Pixel Fun
 * @author civet
 * 
 * BUG: when CLearType enable (2009-11-10)
 */
package {
    import gs.*;
    import gs.easing.*;    
    
    import flash.display.Bitmap;
    import flash.display.BitmapData;
    import flash.display.Shape;
    import flash.display.Sprite;
    import flash.display.StageAlign;
    import flash.display.StageScaleMode;
    import flash.events.Event;
    import flash.events.TimerEvent;
    import flash.geom.Rectangle;
    import flash.text.TextField;
    import flash.text.TextFieldAutoSize;
    import flash.text.TextFormat;
    import flash.utils.Timer;

[SWF(frameRate='24', backgroundColor='0xffffff')]
    public class PixelFun extends Sprite {
        
        private static const DOT_SIZE:uint = 4;
        private static const DOT_SPACE:uint = 1;

private var textfield:TextField;
        private var source:BitmapData;
        private var canvas:Sprite;
        private var list:Array;
        private var index:int = 0;

public function PixelFun() {
              init();  
        }

private function init():void {
            stage.scaleMode = StageScaleMode.NO_SCALE;
            stage.align = StageAlign.TOP_LEFT;
			
            var str:String = "Hello World"
                          + "|Ahhhhhhhhhhhhhhhh!"
                          + "|The quick brown fox\njumps over the lazy dog.";
            list = str.split("|");
			
            textfield = new TextField();
            textfield.defaultTextFormat = new TextFormat("_sans", 12, 0);
            textfield.autoSize = TextFieldAutoSize.LEFT;
            
            source = new BitmapData(128, 32, false, 0xffffff);//range: 128 x 32
            
            canvas = new Sprite();
            addChild(canvas);
			
            onTick();
            var t:Timer = new Timer(3000);
            t.addEventListener(TimerEvent.TIMER, onTick);
            t.start()
        }

private function onTick(e:Event=null):void
        {
            clear();
            textfield.text = list[ index++ ];
            if(index > list.length-1) index = 0;
            source.draw(textfield);
            render();
        }

private function clear():void
        {
            var i:int = canvas.numChildren;
            while(i--) canvas.removeChildAt(i);
            source.fillRect(new Rectangle(0, 0, source.width, source.height), 0xffffff);
        }

private function render():void
        {
            var w:uint = source.width;
            var h:uint = source.height;
            var i:uint;
            var j:uint;
            var color:uint;
            var dot:Shape;
            var SCALE:uint = DOT_SIZE + DOT_SPACE;
            
            for(i = 0; i < h; ++i) {
                for(j = 0; j < w; ++j) {
                    color = source.getPixel(j, i);
                    if(color == 0) {
                        dot = createDot(0xfff << (j >> 2), DOT_SIZE);
                        dot.x = int(Math.random()* textfield.width* SCALE);
                        dot.y = int(Math.random()* textfield.height* SCALE);
                        canvas.addChild(dot);
                		
                	//new GTween(dot, .5, {x: j* SCALE, y: i* SCALE}, {ease: Back.easeOut});
                        TweenLite.to(dot, .5, {x: j* SCALE, y: i* SCALE, ease:Back.easeOut});                    }
                }
            }
        }
		
        private function createDot(color:uint, size:uint):Shape
        {
            var s:Shape = new Shape();
            s.graphics.beginFill(color, 1);
            s.graphics.drawRect(0, 0, size, size);
            s.graphics.endFill();
            return s;
        }
        
    }
}

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