/// <summary>
/// Method called when this behaviour is scheduled to be destroyed.
/// OnDestroy will only be called on objects that have previously been active.
/// </summary>
void OnDestroy()
{
if (_trackerPlugin != null)
{
_trackerPlugin.StopInput();
_trackerPlugin.DeinitPlugin();
_trackerPlugin = null;
}
if (_lineMaterial != null)
{
Material.Destroy(_lineMaterial);
_lineMaterial = null;
}
}