package
  {
          import flash.display.DisplayObject;
          import flash.display.Shape;
          import flash.display.Sprite;
          import flash.events.Event;
          import flash.geom.Vector3D;
          
          [SWF(width=800, height=800, backgroundColor = 0xffffff)]
          public class @ax-lib-flex-animation-code-07-RotateAndPosition2 extends Sprite
          {
                  private var _holder:Sprite;
                  private var _shapes:Array;
                  
                  public function @ax-lib-flex-animation-code-07-RotateAndPosition2()
                  {
                          _holder = new Sprite();
                          _holder.x = stage.stageWidth / 2;
                          _holder.y = stage.stageHeight / 2;
                          _holder.z = 0;
                          addChild(_holder);
                          
                          var shape1:Shape = makeShape();
                          shape1.z = 200;
                          
                          var shape2:Shape = makeShape();
                          shape2.z = -200;
                          
                          var shape3:Shape = makeShape();
                          shape3.x = 200;
                          shape3.rotationY = 90;
                          
                          var shape4:Shape = makeShape();
                          shape4.x = -200;
                          shape4.rotationY = -90;
                          
                          var shape5:Shape = makeShape();
                          shape5.y = 200;
                          shape5.rotationX = 90;
                          
                          var shape6:Shape = makeShape();
                          shape6.y = -200;
                          shape6.rotationX = 90;
                          
                          _shapes = [shape1, shape2, shape3, shape4, shape5, shape6];
                          sortShapes();
                          
                          addEventListener(Event.ENTER_FRAME, onEnterFrame);
                  }
                  
                  private function makeShape():Shape
                  {
                          var shape:Shape = new Shape();
                          shape.graphics.beginFill(Math.random() * 0xffffff);
                          shape.graphics.drawRect(-100, -100, 200, 200);
                          _holder.addChild(shape);
                          return shape;
                  }
                  
                  private function sortShapes():void
                  {
                          _shapes.sort(depthSort);
                          for(var i:int = 0; i < _shapes.length; i++)
                          {
                                  _holder.addChildAt(_shapes[i] as Shape, i);
                          }
                  }
                  
                  private function depthSort(objA:DisplayObject, objB:DisplayObject):int
                  {
                          var posA:Vector3D = objA.transform.matrix3D.position;
                          posA = _holder.transform.matrix3D.deltaTransformVector(posA);
                          var posB:Vector3D = objB.transform.matrix3D.position;
                          posB = _holder.transform.matrix3D.deltaTransformVector(posB);
                          return posB.z - posA.z;
                  }
                  
                  private function onEnterFrame(event:Event):void
                  {
                          _holder.rotationY += .5;
                          _holder.rotationX += 2;
                          sortShapes();
                  }
          }
  }