Recursive display list tree traversal : stage « Development « Flash / Flex / ActionScript

1. Flash / Flex / ActionScript
2. Development
3. stage

Recursive display list tree traversal

 
package {
  import flash.display.*;
  import flash.events.*;

  public class Main extends Sprite {
    public function Main (  ) {
      var rects:Array = new Array(  );
      for (var i:int = 0; i < 20; i++) {
        rects[i] = new Shape(  );
        rects[i].graphics.lineStyle(1);
        rects[i].graphics.beginFill(Math.floor(Math.random(  )*0xFFFFFF), 1);
        rects[i].graphics.drawRect(0, 0, 100, 50);
        rects[i].x = Math.floor(Math.random(  )*500);
        rects[i].y = Math.floor(Math.random(  )*400);
        addChild(rects[i]);
      }

      stage.addEventListener(MouseEvent.MOUSE_DOWN, mouseDownListener);
    }

    private function mouseDownListener (e:Event):void {
      for (var i:int=0; i < numChildren; i++) {
        getChildAt(i).rotation = Math.floor(Math.random(  )*360);
      }
    }
    
    public function processChildren (container:DisplayObjectContainer):void {
      for (var i:int = 0; i < container.numChildren; i++) {
        var thisChild:DisplayObject = container.getChildAt(i);
        trace(thisChild.toString(  ));
    
        if (thisChild is DisplayObjectContainer) {
          processChildren(DisplayObjectContainer(thisChild));
        }
      }
    }
  }
}

        

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