function updateViewMatrix(camera) {
  Matrix4.computeView(
    camera._position,
    camera._direction,
    camera._up,
    camera._right,
    camera._viewMatrix,
  );
  Matrix4.multiply(
    camera._viewMatrix,
    camera._actualInvTransform,
    camera._viewMatrix,
  );
  Matrix4.inverseTransformation(camera._viewMatrix, camera._invViewMatrix);
}
The default heading/pitch/range that is used when the camera flies to a location that contains a bounding sphere.
@type HeadingPitchRange