Need help with papervision

programming flash
1

I’ve just been tinkering with it a bit and would like to know if their is some sort of setting to have like a child of a Plane so if the parent moves, the child does also? Here is a link to what I have now:

http://ronnieswietek.com/hosted/as3tree/tree.swf

I am going for a diorama look and want it to look as if that wood in the back is holding the tree up. The problem is the way it is rotating is not working. Here is my code:


import org.papervision3d.cameras.Camera3D;
import org.papervision3d.objects.primitives.Plane;
import org.papervision3d.render.BasicRenderEngine;
import org.papervision3d.scenes.Scene3D;
import org.papervision3d.view.Viewport3D;
import org.papervision3d.materials.BitmapFileMaterial;

var viewport:Viewport3D;
var scene:Scene3D;
var camera:Camera3D;
var tree:Plane;
var stand:Plane;
var renderer:BasicRenderEngine;

init3D();
createPlane();
addEventListeners();

function init3D():void
{
	// VIEWPORT
	viewport = new Viewport3D(0, 0, true, false);
	addChild(viewport);
	//
	// RENDERER
	renderer = new BasicRenderEngine();
	//
	// SCENE
	scene = new Scene3D();
	//
	// CAMERA
	camera = new Camera3D();
	camera.zoom = 11;
	camera.focus = 100;
}

function createPlane():void
{
	BitmapFileMaterial.LOADING_COLOR = 0x0000FF;
	BitmapFileMaterial.ERROR_COLOR = 0xFF0000;
	//
	var treeMaterial:BitmapFileMaterial = new BitmapFileMaterial("tree-side-1.png");
	var standMaterial:BitmapFileMaterial = new BitmapFileMaterial("wood.png");
	treeMaterial.doubleSided = true;
	standMaterial.doubleSided = true;
	//
	tree = new Plane(treeMaterial, 191, 175, 5, 5 );
	stand = new Plane(standMaterial, 23, 80, 5, 5 );
	//
	scene.addChild(stand);
	scene.addChild(tree);
	stand.x = 30;
	stand.y = -60;
	stand.z = 0;
	stand.rotationX = -45;
}

function addEventListeners():void
{
	addEventListener(Event.ENTER_FRAME, __onEnterFrame);
}

function removeEventListeners():void
{
	removeEventListener(Event.ENTER_FRAME, __onEnterFrame);
}


function __onEnterFrame(e:Event):void
{
	tree.rotationY = viewport.mouseX / 2;
	stand.rotationY = viewport.mouseX / 2;
	renderer.renderScene(scene, camera, viewport);
}