flex游戏引擎(PushButton)--移动小球变成移动飞机

/*******************************************************************************
 * PushButton Engine
 * Copyright (C) 2009 PushButton Labs, LLC
 * For more information see http://www.pushbuttonengine.com
 *
 * This file is licensed under the terms of the MIT license, which is included
 * in the License.html file at the root directory of this SDK.
 ******************************************************************************/

package
{
    import com.pblabs.engine.PBE;
    import com.pblabs.engine.entity.*;
    import com.pblabs.rendering2D.*;
    import com.pblabs.rendering2D.ui.*;
 
   
    import flash.display.Sprite;
    import flash.geom.Point;
   
    [SWF(width="800", height="600", frameRate="60")]
    public class Lesson5Base extends Sprite
    {
        public function Lesson5Base()
        {
            // Start up PBE
            PBE.startup(this);
           
            // Set up a simple scene entity
            createScene();
           
            // Create a simple avatar entity
            createHero();

        }
       
        private function createScene():void
        {
            var sceneView:SceneView = new SceneView();                        // Make the SceneView
            sceneView.width = 800;
            sceneView.height = 600;
           
            PBE.initializeScene(sceneView);                                   // This is just a helper function that will set up a basic scene for us
        }
     
  
  
        private function createHero():void
        {
            var hero:IEntity = allocateEntity();                              // Allocate an entity for our hero avatar
           
            var spatial:SimpleSpatialComponent = new SimpleSpatialComponent();// Create our spatial component
           
            spatial.position = new Point(0,0);                                // Set our hero's spatial position as 0,0
            spatial.size = new Point(50,50);                                  // Set our hero's size as 50,50
            spatial.spatialManager = PBE.spatialManager;

            hero.addComponent( spatial, "Spatial" );                          // Add our spatial component to the Hero entity with the name "Spatial"

           
            // Create an instance of our hero controller component
            var controller:HeroControllerComponent = new HeroControllerComponent();
            // Point the controller component to this entity's Spatial component for position information
            controller.positionReference = new PropertyReference("@Spatial.position");
           
            // Add the demo controller component to the Hero entity with the name "Controller"
            hero.addComponent( controller, "Controller" );
   
   
   
   // Create a simple render component to display our object
   var render:SpriteRenderer = new SpriteRenderer();
   // Tell the Render component to use one of the images embedded by our ResourceBundle
   render.fileName = "../assets/fanship.png";
   
   
   // Add the renderer to the scene.
   render.scene = PBE.scene;
   
   
   // Set our hero to render above the background.
   render.layerIndex = 10;
  
   
   // Point the render component to this entity's Spatial component for position information
   render.positionProperty = new PropertyReference("@Spatial.position");
   // Point the render component to this entity's Spatial component for size information
   render.sizeProperty = new PropertyReference("@Spatial.size");
   // Add our render component to the Hero entity with the name "Render"
   hero.addComponent( render, "Render" );
   
            hero.initialize("Hero");                                          // Register the entity with PBE under the name "Hero"        
        }
    }
}