用python写一个贪吃蛇小游戏
时间: 2023-07-18 09:32:53 浏览: 38
好的,以下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()
# 游戏窗口大小
window_width = 800
window_height = 600
# 颜色定义
white = (255, 255, 255)
black = (0, 0, 0)
red = (255, 0, 0)
green = (0, 255, 0)
blue = (0, 0, 255)
# 创建游戏窗口
game_display = pygame.display.set_mode((window_width, window_height))
pygame.display.set_caption('Greedy Snake')
# 游戏时钟
clock = pygame.time.Clock()
# 蛇的初始位置和大小
snake_size = 10
snake_speed = 15
snake_head_x = window_width / 2
snake_head_y = window_height / 2
# 食物的初始位置和大小
food_size = 10
food_x = round(random.randrange(0, window_width - food_size) / 10.0) * 10.0
food_y = round(random.randrange(0, window_height - food_size) / 10.0) * 10.0
# 定义字体
font_small = pygame.font.SysFont('SimHei', 25)
font_large = pygame.font.SysFont('SimHei', 50)
# 显示文字的方法
def display_text(text, color, x, y):
text_surface = font_small.render(text, True, color)
game_display.blit(text_surface, [x, y])
# 显示得分的方法
def display_score(score):
text_surface = font_large.render('Score: ' + str(score), True, white)
game_display.blit(text_surface, [0, 0])
# 游戏结束的方法
def game_over():
message_display('Game Over')
# 游戏循环
def game_loop():
game_exit = False
game_over = False
snake_list = []
snake_length = 1
snake_head_x_change = 0
snake_head_y_change = 0
while not game_exit:
while game_over:
display_text('Press Q to quit or C to play again', red, 150, 250)
pygame.display.update()
for event in pygame.event.get():
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_q:
game_exit = True
game_over = False
elif event.key == pygame.K_c:
game_loop()
for event in pygame.event.get():
if event.type == pygame.QUIT:
game_exit = True
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
snake_head_x_change = -snake_size
snake_head_y_change = 0
elif event.key == pygame.K_RIGHT:
snake_head_x_change = snake_size
snake_head_y_change = 0
elif event.key == pygame.K_UP:
snake_head_y_change = -snake_size
snake_head_x_change = 0
elif event.key == pygame.K_DOWN:
snake_head_y_change = snake_size
snake_head_x_change = 0
snake_head_x += snake_head_x_change
snake_head_y += snake_head_y_change
if snake_head_x >= window_width or snake_head_x < 0 or snake_head_y >= window_height or snake_head_y < 0:
game_over = True
game_display.fill(black)
pygame.draw.rect(game_display, green, [food_x, food_y, food_size, food_size])
snake_head = []
snake_head.append(snake_head_x)
snake_head.append(snake_head_y)
snake_list.append(snake_head)
if len(snake_list) > snake_length:
del snake_list[0]
for segment in snake_list[:-1]:
if segment == snake_head:
game_over = True
for segment in snake_list:
pygame.draw.rect(game_display, white, [segment[0], segment[1], snake_size, snake_size])
if snake_head_x == food_x and snake_head_y == food_y:
food_x = round(random.randrange(0, window_width - food_size) / 10.0) * 10.0
food_y = round(random.randrange(0, window_height - food_size) / 10.0) * 10.0
snake_length += 1
display_score(snake_length - 1)
pygame.display.update()
clock.tick(snake_speed)
pygame.quit()
quit()
game_loop()
```
这个代码实现了基本的贪吃蛇游戏,包括蛇的移动、食物的生成、得分的统计和游戏结束的判断等。你可以在此基础上添加更多的功能和交互体验,让游戏更加有趣。