public void ForceClippingPlanes(MultiCamStyle style) {
   MultiCamCaptureObject obj = m_CaptureObjects[(int)style];
   TrTransform xf = TrTransform.FromTransform(obj.m_CameraComponent.transform);
   float scale = App.ActiveCanvas.Pose.scale;
   obj.m_CameraComponent.nearClipPlane = obj.m_CameraClipPlanesBase.x * scale;
   obj.m_CameraComponent.farClipPlane = obj.m_CameraClipPlanesBase.y * scale;
     Debug.Log($"machk: forcing clip: {obj.m_CameraClipPlanesBase.x}->{obj.m_CameraClipPlanesBase.y} x{scale}");
 }
 public void UpdateAllObjectCameraTransform(Transform xf, float videoCameraLerpT) {
   for (int i = 0; i < m_CaptureObjects.Length; ++i) {
     MultiCamCaptureObject obj = m_CaptureObjects[i];
     if ((MultiCamStyle)i == MultiCamStyle.Video) {
       UpdateObjectCameraTransform(MultiCamStyle.Video, xf, videoCameraLerpT);
     } else {
       obj.m_Camera.transform.position = xf.position;
       obj.m_Camera.transform.rotation = xf.rotation;
     }
   }
 }
  public void UpdateObjectCameraTransform(MultiCamStyle style, Transform xf, float cameraLerpT) {
    MultiCamCaptureObject obj = m_CaptureObjects[(int)style];

    // For the mobile version we need to adjust the camera fov so that the frustum exactly matches
    // the view through the viewfinder. The camera is placed at the vr camera position.
    if (!App.PlatformConfig.EnableMulticamPreview) {
      obj.m_Camera.transform.position = App.VrSdk.GetVrCamera().transform.position;
      obj.m_Camera.transform.rotation = xf.rotation;
      float distance = (xf.position - obj.m_Camera.transform.position).magnitude;
      float height = obj.m_Screen.transform.localScale.y * 0.5f;
      float fov = 2f * Mathf.Atan2(height, distance) * Mathf.Rad2Deg;
      obj.m_CameraComponent.fieldOfView = fov;
      obj.m_CameraComponent.nearClipPlane = distance;

    } else {
      obj.m_Camera.transform.position =
          Vector3.Lerp(obj.m_Camera.transform.position, xf.position, cameraLerpT);
      obj.m_Camera.transform.rotation =
          Quaternion.Slerp(obj.m_Camera.transform.rotation, xf.rotation, cameraLerpT);
    }
  }