用python开发一款贪吃蛇
时间: 2023-07-17 14:04:15 浏览: 57
好的,以下是贪吃蛇的Python代码示例:
```python
import pygame
import random
# 初始化 Pygame
pygame.init()
# 游戏界面的宽度和高度
width = 600
height = 400
# 初始化游戏窗口
screen = pygame.display.set_mode((width, height))
# 设置游戏标题
pygame.display.set_caption('贪吃蛇')
# 定义颜色
white = (255, 255, 255)
black = (0, 0, 0)
red = (255, 0, 0)
green = (0, 255, 0)
# 定义贪吃蛇的初始位置和大小
snake_block_size = 10
snake_speed = 15
snake_list = []
snake_length = 1
snake_x = width / 2
snake_y = height / 2
# 定义食物的初始位置和大小
food_block_size = 10
food_x = round(random.randrange(0, width - food_block_size) / 10.0) * 10.0
food_y = round(random.randrange(0, height - food_block_size) / 10.0) * 10.0
# 定义字体
font_style = pygame.font.SysFont(None, 30)
# 定义显示得分的函数
def score(score):
score_text = font_style.render("得分: " + str(score), True, black)
screen.blit(score_text, [0, 0])
# 定义游戏结束的函数
def game_over():
game_over_text = font_style.render("游戏结束", True, red)
screen.blit(game_over_text, [width / 4, height / 4])
pygame.display.update()
pygame.time.delay(2000)
# 游戏循环
game_over_flag = False
while not game_over_flag:
for event in pygame.event.get():
if event.type == pygame.QUIT:
game_over_flag = True
# 检测键盘事件
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
x_change = -snake_block_size
y_change = 0
elif event.key == pygame.K_RIGHT:
x_change = snake_block_size
y_change = 0
elif event.key == pygame.K_UP:
x_change = 0
y_change = -snake_block_size
elif event.key == pygame.K_DOWN:
x_change = 0
y_change = snake_block_size
# 判断贪吃蛇是否撞墙
if snake_x >= width or snake_x < 0 or snake_y >= height or snake_y < 0:
game_over()
# 更新贪吃蛇的位置
snake_x += x_change
snake_y += y_change
# 清除前一帧的贪吃蛇
screen.fill(white)
# 画出食物
pygame.draw.rect(screen, green, [food_x, food_y, food_block_size, food_block_size])
# 画出贪吃蛇
snake_head = []
snake_head.append(snake_x)
snake_head.append(snake_y)
snake_list.append(snake_head)
if len(snake_list) > snake_length:
del snake_list[0]
for x in snake_list[:-1]:
if x == snake_head:
game_over()
for block in snake_list:
pygame.draw.rect(screen, black, [block[0], block[1], snake_block_size, snake_block_size])
# 判断是否吃到了食物
if snake_x == food_x and snake_y == food_y:
food_x = round(random.randrange(0, width - food_block_size) / 10.0) * 10.0
food_y = round(random.randrange(0, height - food_block_size) / 10.0) * 10.0
snake_length += 1
# 显示得分
score(snake_length - 1)
# 更新屏幕
pygame.display.update()
# 控制游戏帧率
clock = pygame.time.Clock()
clock.tick(snake_speed)
# 退出 Pygame
pygame.quit()
```
这段代码实现了贪吃蛇的基本功能。你可以根据需要对其进行修改和优化。
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