用python写一个贪吃蛇小游戏
时间: 2023-07-18 08:39:49 浏览: 32
好的,下面是一个简单的贪吃蛇小游戏的Python代码:
```python
import pygame
import random
# 初始化pygame
pygame.init()
# 定义游戏窗口大小
screen_width = 480
screen_height = 480
# 创建游戏窗口
screen = pygame.display.set_mode((screen_width, screen_height))
# 设置游戏标题
pygame.display.set_caption("贪吃蛇小游戏")
# 定义颜色
white = (255, 255, 255)
black = (0, 0, 0)
red = (255, 0, 0)
green = (0, 255, 0)
# 定义蛇的初始位置和大小
snake_x = 240
snake_y = 240
snake_size = 10
# 定义蛇的移动速度
snake_speed = 10
# 定义蛇的移动方向
snake_direction = "right"
# 定义食物的初始位置和大小
food_x = random.randint(0, screen_width - snake_size)
food_y = random.randint(0, screen_height - snake_size)
food_size = 10
# 定义蛇的初始长度和身体
snake_length = 1
snake_body = []
# 定义游戏结束标志
game_over = False
# 定义计分板
score = 0
font = pygame.font.SysFont(None, 25)
# 定义函数,用于绘制蛇和食物
def draw_snake(snake_body):
for x,y in snake_body:
pygame.draw.rect(screen, green, [x, y, snake_size, snake_size])
def draw_food():
pygame.draw.rect(screen, red, [food_x, food_y, food_size, food_size])
# 游戏主循环
while not game_over:
# 处理游戏事件
for event in pygame.event.get():
if event.type == pygame.QUIT:
game_over = True
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
snake_direction = "left"
elif event.key == pygame.K_RIGHT:
snake_direction = "right"
elif event.key == pygame.K_UP:
snake_direction = "up"
elif event.key == pygame.K_DOWN:
snake_direction = "down"
# 移动蛇的头部
if snake_direction == "right":
snake_x += snake_speed
elif snake_direction == "left":
snake_x -= snake_speed
elif snake_direction == "up":
snake_y -= snake_speed
elif snake_direction == "down":
snake_y += snake_speed
# 判断蛇是否吃到了食物
if snake_x == food_x and snake_y == food_y:
# 重新生成食物
food_x = random.randint(0, screen_width - snake_size)
food_y = random.randint(0, screen_height - snake_size)
# 增加蛇的长度
snake_length += 1
score += 10
# 更新蛇的身体
snake_head = []
snake_head.append(snake_x)
snake_head.append(snake_y)
snake_body.append(snake_head)
if len(snake_body) > snake_length:
del snake_body[0]
# 判断蛇是否碰到了边界或自己的身体
if snake_x < 0 or snake_x > screen_width - snake_size or snake_y < 0 or snake_y > screen_height - snake_size:
game_over = True
for segment in snake_body[:-1]:
if segment == snake_head:
game_over = True
# 绘制游戏画面
screen.fill(white)
draw_snake(snake_body)
draw_food()
score_text = font.render("Score: " + str(score), True, black)
screen.blit(score_text, [0, 0])
pygame.display.update()
# 退出游戏
pygame.quit()
```
在这个游戏中,你需要使用方向键控制贪吃蛇的移动,吃到食物可以增加分数并延长蛇的长度。如果蛇碰到边界或自己的身体,游戏就会结束。在游戏结束时,窗口会自动关闭,显示得分。