Python快速实现简易贪吃蛇小游戏的示例代码

# 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)