def _out_of_arena(self):
     super()._out_of_arena()
     Arena.wrap_to_arena(self)
 def _out_of_arena(self):
     super()._out_of_arena()
     if uniform(0,1) < ASTEROIDS_DESPAWN_PROB: #a volte se ne vanno
         self.Dispose()
     else:
         Arena.wrap_to_arena(self)