package
{
import com.adobe.viewsource.ViewSource;
import com.cb.utils.FrameRateCounter;
import flash.display.Sprite;
import flash.events.Event;
[SWF("ExpandingBox", backgroundColor="#FFFFFF", frameRate="60", width="1000", height="1000")]
public class ExpandingBox extends Sprite
{
private var _canvas:Sprite;
private var _red:int = 0;
private var _green:int = 0;
private var _blue:int = 0;
private var _width:int = 1;
private var _height:int = 1;
private var _direction:int = 1;
public function ExpandingBox()
{
ViewSource.addMenuItem(this, "srcview/index.html"); _canvas = new Sprite();
_canvas.y = 50;
this.addChild(_canvas);
stage.addEventListener(Event.ENTER_FRAME, loop);
var fps:FrameRateCounter = new FrameRateCounter();
this.addChild(fps);
}
private function loop(e:Event):void
{
_canvas.graphics.clear();
_canvas.graphics.beginFill(_red<<16 | _green<<8 | _blue);
_canvas.graphics.drawRect(0,0,_width,_height);
if(_red < 255 && _blue == 0){
_red++;
}else if(_green < 255 && _red == 255){
_green++;
}else if(_blue < 255 && _red > 0){
_red--;
_blue ++;
}else if(_green > 0){
_green--;
}else {
_blue--;
}
if(_width < 1100){
_width++;
_height++;
}
}
}
}