# CantBeSeen (Sight.sc)

`CantBeSeen`(theSight [optSeer fieldAngle fieldDistance])

  Determines if an object can’t be seen by another.

  Parameters: | theSight (heapPtr) – The object in question. optSeer (heapPtr) – The object we are asking, or the ego if not specified. fieldAngle (number) – The angle the looker object is looking, or lookerObj:sightAngle if not supplied. fieldDistance (number) – An optional distance limit.
  Returns: | TRUE if the seer cannot see the sight, FALSE otherwise. FALSE if the sight is the seer.