def move(self):
if self.__follow_wall and self.__angular == 0:
self.__follow_wall = False
allowed_directions = self.__labyrinth.get_allowed_directions(self)
if not self.__follow_wall:
if self.__direction in allowed_directions:
self.__labyrinth.move(self, self.__direction)
else:
self.__follow_wall = True
self.turn_right()
else:
left = Direction.next_left(self.__direction)
if left in allowed_directions:
self.__labyrinth.move(self, left)
self.turn_left()
else:
loop = 0
while loop != 3:
if self.__direction in allowed_directions:
self.__labyrinth.move(self, self.__direction)
break
else:
self.turn_right()
loop += 1
if loop == 3:
raise Exception("Infinite loop !")
def turn_left(self):
self.__direction = Direction.next_left(self.__direction)
self.__angular -= 1
