/// <summary>
/// Ensure this is no longer the registered instance.
/// </summary>
void OnDestroy()
{
if (_instance == this)
{
_instance = null;
}
}
/// <summary>
/// Register as the facing manager instance. Handle <see cref="_addSelf"/>.
/// </summary>
void Start()
{
if (_instance == null)
{
_instance = this;
}
if (_addSelf)
{
Add(gameObject, _selfForward, _selfUp);
}
}