/// <summary>
    /// 获取某个相机
    /// </summary>
    /// <param name="name"></param>
    /// <returns></returns>
    public Camera GetCamera(CameraLayer layer)
    {
        Camera camera = null;

        if (m_CameraDict.TryGetValue(layer, out camera))
        {
            return(camera);
        }
        else
        {
            Log.Warning("The camera name is invalid.");
            return(null);
        }
    }
 /// <summary>
 /// 弃用摄像机
 /// </summary>
 /// <param name="layer"></param>
 public void ShowCamera(CameraLayer layer)
 {
     GetCamera(layer).enabled = true;
 }
 /// <summary>
 /// 禁用摄像机
 /// </summary>
 /// <param name="layer"></param>
 public void HideCamera(CameraLayer layer)
 {
     GetCamera(layer).enabled = false;
 }