Away3D_複数のカメラ

import away3d.cameras.Camera3D;
import away3d.containers.View3D;
import away3d.entities.Mesh;
import away3d.materials.ColorMaterial;
import away3d.primitives.PlaneGeometry;
import flash.display.Sprite;
import flash.display.StageAlign;
import flash.display.StageScaleMode;
import flash.events.Event;
import flash.geom.Vector3D;
/**
 * ...
 * @author umhr
 */
public class Canvas extends Sprite 
{
    private var _view:View3D;
    private var _view2:View3D;
    private var _mesh:Mesh;
    private var _secondCamera:Camera3D;
    public function Canvas() 
    {
        init();
    }
    private function init():void 
    {
        if (stage) onInit();
        else addEventListener(Event.ADDED_TO_STAGE, onInit);
    }

    private function onInit(event:Event = null):void 
    {
        removeEventListener(Event.ADDED_TO_STAGE, onInit);
        // entry point

        stage.scaleMode = StageScaleMode.NO_SCALE;
        stage.align = StageAlign.TOP_LEFT;

        _view = new View3D();
        _view.antiAlias = 2;
        _view.backgroundColor = 0x000000;
        _view.width = stage.stageWidth;
        _view.height = stage.stageHeight;
        addChild(_view);

        _view.camera.z = -1000;
        _view.camera.y = 0;
        _view.camera.lookAt(new Vector3D());

        _view2 = new View3D(_view.scene);
        _view2.backgroundColor = 0xFF0000;
        _view2.width = 200;
        _view2.height = 200;
        addChild(_view2);

        _view2.camera.z = -1000;
        _view2.camera.y = -1000;
        _view2.camera.lookAt(new Vector3D());
        //_secondCamera = new Camera3D();



        //var material:BitmapViwport


        // BitmapDataでテクスチャを作る場合
        //var texture:Texture2DBase = Cast.bitmapTexture(new BitmapData(256, 256, true, 0xFFFF0000));
        //var textureMaterial:TextureMaterial = new TextureMaterial(texture);

        var colorMaterial:ColorMaterial = new ColorMaterial(0x00FF00, 1);
        _mesh = new Mesh(new PlaneGeometry(640, 480, 1, 1,false, true), colorMaterial);
        _mesh.x = 0;
        _mesh.y = 0;
        _mesh.z = 0;
        _view.scene.addChild(_mesh);

        addEventListener(Event.ENTER_FRAME, enterFrame);



    }
    private function enterFrame(e:Event):void 
    {
        _mesh.rotationY ++;

        _view.render();
        _view2.render();
        //trace(_view.renderedFacesCount);
    }
}