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import pygame\nimport random\nfrom collections import deque\n\n#\u521d\u59cb\u5316\npygame.init()\nWIDTH, HEIGHT = 600, 400\nCELL_SUZE = 20\nCOLS = WIDTH \/\/ CELL_SUZE\nROWS = HEIGHT \/\/ CELL_SUZE\n\nscreen = pygame.display.set_mode((WIDTH, HEIGHT))\npygame.display.set_caption(\"SmartSnake - \u6309A\u5207\u6362AI\u6a21\u5f0f\")\nclock = pygame.time.Clock()\n\n#\u989c\u8272\nWHITE = (225, 225, 225)\nGREEN = (0, 200, 0)\nRED = (200, 0, 0)\nBLACK = (0, 0, 0)\nDARK_GREEN = (0, 150, 0)\n\nfont = pygame.font,SysFont(\"simhei,\", 24)\n\nclass SnakeGame:\n def __init__(self):\n self.reset()\n\n def reset(self):\n self.snake = deque([(5, ROWS\/\/2)])\n self.direction = (1, 0)\n self.food = self.spawn_food()\n self.score = 0\n self.ai_mode = False\n\n def spawn_food(self):\n while True:\n pos = (random.randint(0, COLS-1), random.randint(0, ROWS-1))\n if pos not in self.snake:\n return pos\n\n def move(self, direction=None):\n if direction is None:\n direction = self.direction\n head = self.snake[0]\n new_head = (head[0] + direction[0], head[1] + direction[1])\n\n #\u649e\u5899\u68c0\u6d4b\n if new_head[0] < 0 or new_head[0] >= COLS or new_head[1] < 0 or new_head[1] >= ROWS:\n return False\n\n #\u88c5\u81ea\u5df1\n if new_head in self.snake:\n return False\n\n self.snake.appendleft(new_head)\n if new_head == self.food:\n self.score += 1\n self.food = self.spawn_food()\n else:\n self.snake.pop()\n\n self.direction = direction\n return True\n\n def ai_move(self):\n head = self.snake[0]\n fx, fy = self.food\n\n #\u7b80\u5355\u5bfb\u8def\uff1a\u4f18\u5148\u5f80\u98df\u7269\u65b9\u5411\u8d70\uff0c\u907f\u5f00\u969c\u788d\n possible_dirs = []\n for dx, dy in [(1,0), (0,1), (-1,0), (0,-1)]:\n nx, ny = head[0]+dx, head[1]+dy\n if 0 <= nx < COLS and 0 <= ny < ROWS and (nx, ny) not in self.snake:\n #\u8ba1\u7b97\u66fc\u54c8\u987f\u8ddd\u79bb\n dist = abs(nx-fx) + abs(ny-fy)\n possible_dirs.append((dist, (dx, dy)))\n\n if not possible_dirs:\n #\u65e0\u8def\u53ef\u8d70\uff0c\u968f\u4fbf\u52a8\u4e00\u4e0b\uff08\u4f1a\u6b7b\uff09\n return self.move(self.direction)\n\n #\u9009\u6700\u8fd1\u98df\u7269\u7684\u65b9\u5411\n possible_dirs.sort(key=lambda x: x[0])\n best_dir = possible_dirs[0][1]\n return self.move(best_dir)\n\n def draw(self):\n screen.fill(BLACK)\n #\u753b\u86c7\uff08\u543e\u7684\u8eab\u4f53\uff01\uff01\uff01\uff01\uff01\uff01\uff01\uff01\uff09ovo\n for i, seg in enumerate(self.snake):\n color = GREEN if i != 0 else DARK_GREEN\n rect = pygame.Rect(seg[0]*CELL_SUZE, seg[1]*CELL_SIZE, CELL_SIZE, CELL_SIZE)\n pygame.draw.rect(screen, RED, rect)\n pygame.draw.rect(screen, WHITE, rect, 1)\n\n #\u753b\u98df\u7269\uff08\u5c4e\uff09\n rect = pygame.Rect(self.food[0]*CELL_SIZE, self.food[1]*CELL_SIZE, CELL_SIZE, CELL_SIZE)\n pygame.draw.rect(screen, RED, rect)\n pygame.draw.rect(screen, WHITE, rect, 1)\n\n #\u663e\u793a\u5206\u6570\u548c\u6a21\u5f0f\n mode_text = \"AI\" if self.ai_mode else \"Manual\"\n text = font.render(f\"Score: {self.score} Mode: {mode_text}\", Ture, WHITE)\n screen.blit(text, (10, 10))\n\ndef main():\n game = SnakeGame()\n running = True\n paused = False\n\n while running:\n clock.tick(8) #\u901f\u5ea6\n\n for event in pygame.event.get():\n if event.type == pygame.QUIT:\n running = False\n elif event.type == pygame.KEYDOWN:\n if event.key == pygame.K_a:\n game.ai_move = not game.ai_move\n elif event.key == pygame.K_r:\n game.reset()\n elif event.key == pygame.K_SPACE:\n paused = not paused\n\n #\u624b\u52a8\u63a7\u5236\n if not game.ai_mode and not paused:\n if event.key == pygame.K_UP and game.direction != (0, 1):\n game.direction = (0, -1)\n elif event.key == pygame.K_DOWN and game.direction != (0, -1):\n game.direction = (0, 1)\n elif event.key == pygame.K_LEFT and game.direction != (1, 0):\n game.direction = (-1, 0)\n elif event.key == pygame.K_RIGHT and game.direction != (-1, 0):\n game.direction = (1, 0)\n\n if not paused:\n if game.ai_mode:\n alive = game.ai_move()\n else:\n alive = game.move()\n\n if not alive:\n print(f\"Game Over! Score: {game.score}\")\n game.reset()\n\n game.draw()\n pygame.display.flip()\n\n pygame.quit()\n\nif __name__ == \"__main__\":\n main()\n<\/code><\/pre>\n\n\n\n\u590d\u5236\u7c98\u8d34\u5373\u53ef\uff0c\u8981\u6539\u53ef\u4ee5\u81ea\u5df1\u6765\u6539\u54e6~<\/p>\n\n\n\n
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