flash on 2011-5-15

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

package {
    import flash.display.BitmapData;
    import flash.display.Sprite;
    import flash.display.Bitmap;
    import flash.events.*;
    public class FlashTest extends Sprite {
        
        public var sw:Number = stage.stageWidth;
        public var sh:Number = stage.stageHeight;
        public var cx:Number = sw / 2;
        public var cy:Number = sh / 2;
        public var bmd:BitmapData = new BitmapData(sw,sh, true, 0x00000000)
        public var img:Bitmap = new Bitmap(bmd);
        public var thing:Sprite = new Sprite()
        public var line:Sprite = new Sprite();
        public var line2:Sprite = new Sprite();
        public function FlashTest() {
            // write as3 code here..
            thing.graphics.beginFill(0x000000,1);
            thing.graphics.drawEllipse(cx - 100,cy - 100,200,200);
            thing.graphics.endFill();
            
            
            
            addChild(thing)
            //addChild(line)
            addChild(img);
            addChild(line2);
            img.mask = thing;
            stage.addEventListener(Event.ENTER_FRAME, doSomething);
            
        }
        
        public function doSomething(e:Event):void{
            var rndx:Number = Math.round(Math.random() * sw);
            var rndy:Number = Math.round(Math.random() * sh);
            //bmd.setPixel32(rndx, rndy, 0xFFFF0000);
            bmd.noise(rndx, 0, 255, 7, true);
            
            line.graphics.clear();
            line.graphics.lineStyle(20,0xFF0000,1);
            line.graphics.moveTo(sh * .5, sw * .5);
            line.graphics.lineTo(mouseX, mouseY);
            bmd.draw(line)
            
            line2.graphics.clear();
            line2.graphics.beginFill(0x00FF00, .2);
            line2.graphics.lineStyle(1,0x0000FF,1)
            line2.graphics.moveTo(cx * .5, cy * .5)
            line2.graphics.lineTo(mouseX * .5, mouseY * .5);
            line2.graphics.lineTo(mouseX, mouseY);
            line2.graphics.lineTo(cx,cy);
            line2.graphics.lineTo(cx * .5, cy * .5)
            line2.graphics.endFill()
            
            line2.graphics.beginFill(0xFF0000, .25);
            line2.graphics.moveTo(sw - (cx*.5),sh - (cy*.5))
            //line2.graphics.lineTo((cx*.5),(cy*.5)-(cy*.25))
            line2.graphics.lineTo(sw - (mouseX * .5), sh - (mouseY * .5));
            
            line2.graphics.lineTo((cx),(cy*.5)-(cy*.125))
            line2.graphics.lineTo(cx,cy)
            
        }

    }
}