[pv3d专题]调试摄像机

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package  
{
import flash.display.Shape;
import org.papervision3d.materials.BitmapColorMaterial;
import org.papervision3d.materials.ColorMaterial;
import org.papervision3d.view.BasicView;
import org.papervision3d.cameras.CameraType;
import org.papervision3d.cameras.SpringCamera3D;
import org.papervision3d.cameras.DebugCamera3D;
import org.papervision3d.objects.primitives.Sphere;
import org.papervision3d.objects.primitives.Plane;
import org.papervision3d.events.FileLoadEvent;
import org.papervision3d.materials.BitmapFileMaterial;
import flash.events.Event;

/**
  * ...
  * @author 张首尚
  */
public class vb2 extends BasicView
{
  private  var sp:Sphere;
  private var imgArray:Array = ["assets/1.jpg","assets/2.jpg","assets/3.jpg","assets/4.jpg"];
  public function vb2()
  {
   super(640, 480, ***e, ***e, CameraType.DEBUG);
   init();
  }
  
  private function init():void
  {
   var bm:BitmapFileMaterial = new BitmapFileMaterial("assets/1.jpg");
   bm.addEventListener(FileLoadEvent.LOAD_COMPLETE, onLoadComplete);
   bm.precise = ***e;
   bm.smooth = ***e;
   
   sp = new Sphere(bm, 200, 24, 18);
   scene.addChild(sp);
   
   for (var i:int = 0; i < 100; i++ ) {
    var pllane;
    if (i % 2 == 0) {
     pl = new Plane(new BitmapFileMaterial(imgArray[Math.round(Math.random() * 3)], ***e), 200, 200, 2, 2);
    }else {
     pl = new Plane(new ColorMaterial(Math.random() * 0xFFFFFF, 1), 100, 100, 1, 1);
    }
   
    pl.material.doubleSided = ***e;
       scene.addChild(pl);
    pl.x = Math.random() * 20000 - 10000;
    pl.y = Math.random() * 1500 - 500;
    pl.z = Math.random() * 20000 - 10000;
    pl.localRotationY = Math.random() * 180 - 90;
   }
   camera.z = -2000;
   camera.focus = 20;
   camera.far = 20000;
   
  }
  
  private function onLoadComplete(evt:FileLoadEvent):void
  {
   this.startRendering();
  }
  
  override protected function onRenderTick(e:Event=null):void
  {
   super.onRenderTick();
   sp.localRotationY += 2;
  }
  
}
}
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orokborokhulu

这到底是什么？