- for pos in self.map_:
- if self.map_[pos] == '.' and \
- len(self.things_at_pos(pos)) == 0 and \
- random.random() > 0.999:
- self.add_thing_at('food', pos)
+ for pos in self.maps[(0,0)]:
+ if self.maps[(0,0)][pos] == '.' and \
+ len(self.things_at_pos(((0,0), pos))) == 0 and \
+ self.rand.random() > 0.999:
+ self.add_thing_at('food', ((0,0), pos))