Python实现打包贪吃蛇游戏

复制代码

import random
import sys
import time
import msvcrt

WIDTH = 20
HEIGHT = 10
SPEED = 0.2
snake = [(WIDTH // 2, HEIGHT // 2)]
direction = (1, 0)
food = (random.randint(0, WIDTH - 1), random.randint(0, HEIGHT - 1))
score = 0


def draw_game():
    if sys.platform == "win32":
        print("\033[H\033[J", end="")
    else:
        print("\033c", end="")

    print("#" * (WIDTH + 2))

    for y in range(HEIGHT):
        print("#", end="")
        for x in range(WIDTH):
            if (x, y) in snake:
                print("●", end="")
            elif (x, y) == food:
                print("★", end="")
            else:
                print(" ", end="")
        print("#")

    print("#" * (WIDTH + 2))
    print(f"当前得分: {score} | 操作：W(上) S(下) A(左) D(右) | Q(退出)")


def move_snake():
    global snake, food, score

    head_x, head_y = snake[0]
    new_head = (head_x + direction[0], head_y + direction[1])

    if (new_head[0] < 0 or new_head[0] >= WIDTH or
            new_head[1] < 0 or new_head[1] >= HEIGHT or
            new_head in snake):
        print("\n=====================")
        print(f"游戏结束！最终得分: {score}")
        print("=====================")
        time.sleep(3)
        sys.exit()

    snake.insert(0, new_head)

    if new_head == food:
        score += 10
        while food in snake:
            food = (random.randint(0, WIDTH - 1), random.randint(0, HEIGHT - 1))
    else:
        snake.pop()


def get_user_input():
    global direction
    if msvcrt.kbhit():
        try:
            key = msvcrt.getch().decode('utf-8').lower()
        except:
            key = ""

        if key == 'w' and direction != (0, 1):
            direction = (0, -1)
        elif key == 's' and direction != (0, -1):
            direction = (0, 1)
        elif key == 'a' and direction != (1, 0):
            direction = (-1, 0)
        elif key == 'd' and direction != (-1, 0):
            direction = (1, 0)
        elif key == 'q':
            print("\n你选择退出游戏！")
            time.sleep(1)
            sys.exit()


if __name__ == "__main__":
    print("=====================")
    print("  Windows贪吃蛇游戏  ")
    print("=====================")
    print("控制说明：")
    print("W - 向上 | S - 向下")
    print("A - 向左 | D - 向右")
    print("Q - 退出游戏")
    print("\n3秒后游戏开始...")
    time.sleep(3)

    while True:
        get_user_input()
        move_snake()
        draw_game()
        time.sleep(SPEED)