void Update()
{
// Get the distance between the headset and the goggles
float dist = Vector3.Distance(gameObject.transform.position, centerEyeAnchor.transform.position);
// If the distance is within the threshold, and a fade has not yet been initialized, initialize a fade
if (dist <= threshold && !sceneFader.IsFading())
{
sceneFader.StartFade();
}
}