def move(self, game):
"""
The logic of moving the snake that includes collision detection and eating too.
:return: whether the snake is still alive
"""
# next location
x, y = self.head.get_location()
old_direction = self.direction
# Calculate the next coordinate based on moving direction
new = Location(*[sum(i) for i in zip((x, y), self.direction.value)])
# verify valid move
collision = self.check_collision(*new.get_location())
if not collision:
self.head.set_location(*new.get_location())
self._add_body_part(Location(x, y), old_direction)
# check whether he found food
if self.check_for_food(game.board, new.get_location()):
game.board.generate_food()
game.score_inc(500)
else:
self.body.pop(-1)
return not collision
class Board:
"""Represent the game board"""
def __init__(self, size):
self.table_size = size
self.food_location = Location(0, 0)
self.generate_food()
def get_food_location(self):
return self.food_location.get_location()
def generate_food(self):
self.food_location = Location(*random_position())