def run_game():
pygame.init()
pygame.font.init()
w = s.screen_width * s.cell_size + 1
h = s.screen_height * s.cell_size + 1
screen = pygame.display.set_mode((w, h))
pygame.display.set_caption("Snake")
myfont = pygame.font.SysFont('Arial', 40)
clock = pygame.time.Clock()
snake = Snake()
apple = Apple(snake)
snake.apple = apple
ai = AI()
while (True):
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
snake.direction = (-1, 0)
elif event.key == pygame.K_RIGHT:
snake.direction = (1, 0)
elif event.key == pygame.K_UP:
snake.direction = (0, -1)
elif event.key == pygame.K_DOWN:
snake.direction = (0, 1)
elif event.key == pygame.K_ESCAPE:
sys.exit()
elif event.key == pygame.K_SPACE:
pause()
if not snake.dead:
ai.pass_through(snake.body[:], apple.position[:])
snake.direction = ai.output()
snake.move()
screen.fill(s.bg_color)
screen = draw_board(screen, snake, apple, ai.path, myfont)
pygame.display.flip()
if (snake.dead):
print("Snake lost, size: ", len(snake))
apple.randomize()
snake = Snake()
apple.snake = snake
snake.apple = apple
ai = AI()
elif len(snake.body) == s.screen_width * s.screen_height:
print("Snake won! Size: ", len(snake))
return
fps = s.FPS
if ai.mode == "Tail":
fps *= 2
clock.tick(fps)
def loop(self):
#TIME
clock = pygame.time.Clock()
#INSTANCE
board = Board(self.display)
apple = Apple(self.display)
snake = Snake(self.display)
#ACTUAL GAMELOOP
while True:
path = astar(board.returnBoard(), snake.snake_pos(),
apple.apple_Position())
print(path)
for i in range(1, len(path)):
#if next move is not orthogonal
if snake.changeDirectionTo(snake.CoordinateToDirection(
path[i])):
path = astar(board.returnBoard(), snake.snake_pos(),
apple.apple_Position())
for event in pygame.event.get():
if event.type == pygame.QUIT:
print("exit pressed!")
return 0
# DRAW BACKGROUND
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_UP:
snake.changeDirectionTo('UP')
elif event.key == pygame.K_DOWN:
snake.changeDirectionTo('DOWN')
elif event.key == pygame.K_LEFT:
snake.changeDirectionTo('LEFT')
elif event.key == pygame.K_RIGHT:
snake.changeDirectionTo('RIGHT')
# MOVE SNAKE and record position of SNAKE
snake.move()
# Collision Detection
if snake.collision():
return 0
#eating
if snake.ate(apple.apple_Position()):
self.score += 1
pygame.display.set_caption(GAME['CAPTION'] +
str(self.score))
apple.randomize()
#DRAW
board.drawBoard(self.display, snake.snake_body(),
apple.apple_Position())
apple.draw()
snake.draw_body()
#DRAW UPDATE
pygame.display.update()
clock.tick(GAME['FPS'])
