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# 导入库
from tkinter import mainloop
import pygame
import time
import random
import sys
 
 
# 显示评分功能
def show_score(choice, color, font, size):
	
	# 创建字体对象 score_font
	score_font = pygame.font.SysFont(font, size)
	
	# 创建显示表面对象 core_surface
	score_surface = score_font.render('Score : ' + str(score), True, color)
	
	# 为文本表面对象创建一个矩形对象
	score_rect = score_surface.get_rect()
	
	# 显示文字
	game_window.blit(score_surface, score_rect)
 
# 游戏结束功能
def game_over():
	
	# 创建字体对象 my_font
	my_font = pygame.font.SysFont('times new roman', 50)
	
	# 创建将在其上绘制文本的文本表面
	game_over_surface = my_font.render('Your Score is : ' + str(score), True, red)
	
	# 为文本表面对象创建一个矩形对象
	game_over_rect = game_over_surface.get_rect()
	
	# 设置文本位置
	game_over_rect.midtop = (window_x/2, window_y/4)
	
	# blit 将在屏幕上绘制文本
	game_window.blit(game_over_surface, game_over_rect)
	pygame.display.flip()
	
	# 2 秒后我们将退出程序
	time.sleep(1)
 
	for event in pygame.event.get():
		if event.type == pygame.QUIT:
			pygame.quit()
			sys.exit()
		if event.type == pygame.MOUSEBUTTONDOWN:
			pygame.quit()
			sys.exit()
	# 停用 pygame 库
	#pygame.quit()
	
	# 退出程序
	#quit()
 
if __name__ == '__main__':
	snake_speed = 10
 
	# 窗口大小
	window_x = 720
	window_y = 480
 
	# 定义颜色
	black = pygame.Color(0, 0, 0)
	white = pygame.Color(255, 255, 255)
	red = pygame.Color(255, 0, 0)
	green = pygame.Color(0, 255, 0)
	blue = pygame.Color(0, 0, 255)
 
	# 初始化pygame
	pygame.init()
 
	# 初始化游戏窗口
	pygame.display.set_caption('贪吃蛇小游戏')
	game_window = pygame.display.set_mode((window_x, window_y))
    
	# FPS(每秒帧数)控制器
	fps = pygame.time.Clock()
 
	# 定义蛇默认位置
	snake_position = [100, 50]
 
	# 定义蛇体的前 4 个块
	snake_body = [ [100, 50],
					[90, 50],
					[80, 50],
					[70, 50]
				]
	# 水果位置
	fruit_position = [random.randrange(1, (window_x//10)) * 10,
					random.randrange(1, (window_y//10)) * 10]
	fruit_spawn = True
 
	# 设置默认的蛇方向向右
	direction = 'RIGHT'
	change_to = direction
 
	# 初始分数
	score = 0
    
 
	# Main Function
	while True:
		# 处理关键事件
		for event in pygame.event.get():
			if event.type == pygame.KEYDOWN:
				if event.key == pygame.K_UP:
					change_to = 'UP'
				if event.key == pygame.K_DOWN:
					change_to = 'DOWN'
				if event.key == pygame.K_LEFT:
					change_to = 'LEFT'
				if event.key == pygame.K_RIGHT:
					change_to = 'RIGHT'
 
		# 如果同时按下两个键
			# 我们不想让蛇同时向两个方向移动
		if change_to == 'UP' and direction != 'DOWN':
			direction = 'UP'
		if change_to == 'DOWN' and direction != 'UP':
			direction = 'DOWN'
		if change_to == 'LEFT' and direction != 'RIGHT':
			direction = 'LEFT'
		if change_to == 'RIGHT' and direction != 'LEFT':
			direction = 'RIGHT'
 
		# 移动蛇
		if direction == 'UP':
			snake_position[1] -= 10
		if direction == 'DOWN':
			snake_position[1] += 10
		if direction == 'LEFT':
			snake_position[0] -= 10
		if direction == 'RIGHT':
			snake_position[0] += 10
 
		# 蛇体生长机制
			# 如果水果和蛇发生碰撞,那么分数将增加 10
		snake_body.insert(0, list(snake_position))
		if snake_position[0] == fruit_position[0] and snake_position[1] == fruit_position[1]:
			score += 10
			fruit_spawn = False
		else:
			snake_body.pop()
		if score>=50:
			snake_speed=15
		if score>=60:
			snake_speed=20
		if score>=70:
			snake_speed=30
 
			
		if not fruit_spawn:
			fruit_position = [random.randrange(1, (window_x//10)) * 10,
							random.randrange(1, (window_y//10)) * 10]
			
		fruit_spawn = True
		game_window.fill(black)
		
		for pos in snake_body:
			pygame.draw.rect(game_window, green, pygame.Rect(
			pos[0], pos[1], 10, 10))
			
		pygame.draw.rect(game_window, white, pygame.Rect(
		fruit_position[0], fruit_position[1], 10, 10))
 
		# 游戏结束条件
		if snake_position[0] < 0 or snake_position[0] > window_x-10:
			game_over()
		if snake_position[1] < 0 or snake_position[1] > window_y-10:
			game_over()
		
		# 触碰蛇身
		for block in snake_body[1:]:
			if snake_position[0] == block[0] and snake_position[1] == block[1]:
				game_over()
		
		# 连续显示分数
		show_score(1, white, 'times new roman', 20)
		
		# 刷新游戏画面
		pygame.display.update()
 
		# 每秒帧数/刷新率
		fps.tick(snake_speed)

怎么样?(上方代码可玩)