测试下代码编写！

package {
	import alternativa.engine3d.controllers.CameraController;
	import alternativa.engine3d.core.Camera3D;
	import alternativa.engine3d.core.Object3D;
	import alternativa.engine3d.core.Scene3D;
	import alternativa.engine3d.display.View;
	import alternativa.engine3d.materials.Material;
	import alternativa.engine3d.materials.MovieClipMaterial;
	import alternativa.engine3d.materials.TextureMaterial;
	import alternativa.engine3d.materials.WireMaterial;
	import alternativa.engine3d.primitives.Box;
	import alternativa.engine3d.primitives.Cone;
	import alternativa.engine3d.primitives.Plane;
	import alternativa.engine3d.primitives.Sphere;
	import alternativa.utils.FPS;
	import flash.display.MovieClip;
 
	import flash.display.Sprite;
	import flash.display.StageAlign;
	import flash.display.StageScaleMode;
	import flash.events.Event;
 
	[SWF(backgroundColor="#000000", frameRate="100")]
	public class HelloAlternativa3D extends MovieClip{
 
		private var scene:Scene3D;
		private var view:View;
		private var camera:Camera3D;
		private var cameraController:CameraController;
		private var box:Box;
		private var plane:Plane;
		private var cone:Cone;
		
		public function HelloAlternativa3D()	{
			addEventListener(Event.ADDED_TO_STAGE, init);
		}
 
		public function init(e:Event): void {
			removeEventListener(Event.ADDED_TO_STAGE, init);
 
			stage.scaleMode = StageScaleMode.NO_SCALE;
			stage.align = StageAlign.TOP_LEFT;
 
			// Creating scene——建立场景
			scene = new Scene3D();
			scene.root = new Object3D();
			box = new Box(100, 100, 100, 3, 3, 3);
			box.cloneMaterialToAllSurfaces(new WireMaterial(1, 0xFF80C0));
			scene.root.addChild(box);
			plane = new Plane(800,800, 2, 2);
			var hello:MovieClip = new pic();
			var shui1:shui = new shui();
			shui1.width = 800;
			shui1.height = 600;
			plane.cloneMaterialToAllSurfaces(new MovieClipMaterial(hello,800,800));
			scene.root.addChild(plane);
			cone = new Cone(800, 100, 0, 1, 12);
			cone.cloneMaterialToAllSurfaces(new WireMaterial(1, 0xFF8000));
			this.addChild(shui1);
			scene.root.addChild(cone);
 
			// Adding camera and view——添加摄像机和视窗
			camera = new Camera3D();
			camera.x = 100;
			camera.y = -150;
			camera.z = 100;
			scene.root.addChild(camera);
 
			view = new View();
			addChild(view);
			view.camera = camera;
 
			// Connecting camera controller——与“摄像机控制器”建立连接
			cameraController = new CameraController(stage);
			cameraController.camera = camera;
			cameraController.setDefaultBindings();
			cameraController.checkCollisions = true;
			cameraController.collisionRadius = 20;
			cameraController.lookAt(box.coords);
			cameraController.controlsEnabled = true;
 
			// FPS display launch——FPS 运转显示
			FPS.init(stage);
 
			stage.addEventListener(Event.RESIZE, onResize);
			stage.addEventListener(Event.ENTER_FRAME, onEnterFrame);
			onResize(null);
		}
 
		private function onResize(e:Event):void {
			view.width = stage.stageWidth;
			view.height = stage.stageHeight;
		}
 
		private function onEnterFrame(e:Event):void {
			// User input processing——控制器的输入过程
			cameraController.processInput();
			// Scene calculating——场景计算
			scene.calculate();
		}
	}
}