暴露相机控制变量.

src/Viewer.ts

@@ -11,6 +11,7 @@ export class Viewer
 {
     m_LookTarget: any;
     m_Camera: CameraUpdate = new CameraUpdate();
+    m_CameraCtrl: CameraControls;
     m_bNeedUpdate: boolean = true;
     m_Render: THREE.WebGLRenderer;//渲染器  //暂时只用这个类型
     m_DomEl: HTMLElement;    //画布容器
@@ -27,7 +28,7 @@ export class Viewer
         this.initRender(canvasContainer);
         this.OnSize();
         this.StartRender();
-        new CameraControls(this);
+        this.m_CameraCtrl = new CameraControls(this);
         window.addEventListener("resize", () =>
         {
             this.OnSize();