return t
return None
+ def things_at_pos(self, yx):
+ things = []
+ for t in self.things:
+ if t.position == yx:
+ things += [t]
+ return things
+
class World(WorldBase):
def add_thing(type_):
t = self.game.thing_types[type_](self)
- t.position = (random.randint(0, yx[0] -1),
- random.randint(0, yx[1] - 1))
+ while True:
+ new_pos = (random.randint(0, yx[0] -1),
+ random.randint(0, yx[1] - 1))
+ if self.map_[new_pos] != '.':
+ continue
+ if len(self.things_at_pos(new_pos)) > 0:
+ continue
+ break
+ t.position = new_pos
self.things += [t]
return t