写一个贪吃蛇游戏 完整代码
时间: 2024-05-12 17:14:27 浏览: 68
以下是 Python 3 的贪吃蛇游戏完整代码:
```python
import pygame
import random
# 初始化 Pygame
pygame.init()
# 游戏窗口大小
WINDOW_WIDTH = 800
WINDOW_HEIGHT = 600
# 贪吃蛇方块大小
SNAKE_BLOCK_SIZE = 20
# 设置颜色
BLACK = (0, 0, 0)
WHITE = (255, 255, 255)
RED = (255, 0, 0)
GREEN = (0, 255, 0)
# 创建游戏窗口
window = pygame.display.set_mode((WINDOW_WIDTH, WINDOW_HEIGHT))
pygame.display.set_caption('贪吃蛇')
# 创建一个计时器对象
clock = pygame.time.Clock()
# 定义一个函数来绘制贪吃蛇
def draw_snake(snake_list):
for block in snake_list:
pygame.draw.rect(window, GREEN, [block[0], block[1], SNAKE_BLOCK_SIZE, SNAKE_BLOCK_SIZE])
# 游戏循环
def game_loop():
# 初始化贪吃蛇位置和长度
snake_head = [WINDOW_WIDTH // 2, WINDOW_HEIGHT // 2]
snake_list = [snake_head]
snake_length = 1
# 初始化食物位置
food_x = round(random.randrange(0, WINDOW_WIDTH - SNAKE_BLOCK_SIZE) / 20.0) * 20.0
food_y = round(random.randrange(0, WINDOW_HEIGHT - SNAKE_BLOCK_SIZE) / 20.0) * 20.0
# 初始化贪吃蛇移动方向
direction = 'RIGHT'
# 游戏是否结束的标志
game_over = False
# 游戏主循环
while not game_over:
# 处理事件
for event in pygame.event.get():
if event.type == pygame.QUIT:
# 点击了关闭按钮
game_over = True
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT and direction != 'RIGHT':
direction = 'LEFT'
elif event.key == pygame.K_RIGHT and direction != 'LEFT':
direction = 'RIGHT'
elif event.key == pygame.K_UP and direction != 'DOWN':
direction = 'UP'
elif event.key == pygame.K_DOWN and direction != 'UP':
direction = 'DOWN'
# 移动贪吃蛇
if direction == 'LEFT':
snake_head[0] -= SNAKE_BLOCK_SIZE
elif direction == 'RIGHT':
snake_head[0] += SNAKE_BLOCK_SIZE
elif direction == 'UP':
snake_head[1] -= SNAKE_BLOCK_SIZE
elif direction == 'DOWN':
snake_head[1] += SNAKE_BLOCK_SIZE
# 判断是否吃到食物
if snake_head[0] == food_x and snake_head[1] == food_y:
# 生成新的食物位置
food_x = round(random.randrange(0, WINDOW_WIDTH - SNAKE_BLOCK_SIZE) / 20.0) * 20.0
food_y = round(random.randrange(0, WINDOW_HEIGHT - SNAKE_BLOCK_SIZE) / 20.0) * 20.0
# 增加贪吃蛇长度
snake_length += 1
# 添加贪吃蛇头部到列表中
snake_list.append(list(snake_head))
# 如果贪吃蛇长度大于规定长度,则删除列表中最早加入的元素
if len(snake_list) > snake_length:
del snake_list[0]
# 检查是否撞到墙或者自己
for block in snake_list[:-1]:
if block == snake_head:
game_over = True
if snake_head[0] < 0 or snake_head[0] >= WINDOW_WIDTH or snake_head[1] < 0 or snake_head[1] >= WINDOW_HEIGHT:
game_over = True
# 绘制游戏窗口
window.fill(BLACK)
pygame.draw.rect(window, RED, [food_x, food_y, SNAKE_BLOCK_SIZE, SNAKE_BLOCK_SIZE])
draw_snake(snake_list)
pygame.display.update()
# 设置游戏帧率
clock.tick(10)
# 退出 Pygame
pygame.quit()
# 开始游戏循环
game_loop()
```
注:本代码仅供参考,如有需要,请自行修改和完善。
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