auto save

snake.py

 import pygame
 from pygame import locals
-import random
-# 初始化pygame，为使用硬件做准备
-pygame.init()
-
-# 创建一个窗口
-screen = pygame.display.set_mode((660, 480))
-FPSCLOCK = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
-
-# 背景
-background = pygame.image.load('bg.png')
-right = pygame.image.load('right.png')      # 头 朝右
-food = pygame.image.load('apple.png')       # 食物 苹果
-body = pygame.image.load('body.png')        # 身体
-left = pygame.image.load('left.png')        # 头 朝左
-up = pygame.image.load('up.png')            # 头 朝上
-down = pygame.image.load('down.png')        # 头 朝下
-my_font=pygame.font.Font('neuropol.ttf',18)
-
-x, y = 240, 120
-position = [(180, 90), (180, 120), (210, 120), (x, y)]
-apple_x=360
-apple_y=300
 
-setheading="right"
-snake_head=right
-score=0
-
-while True:
-    for event in pygame.event.get():
-        if event.type == locals.QUIT:
-            # 接收到退出事件后退出程序
-            exit()
-        if event.type == locals.KEYDOWN:
-            if event.key == locals.K_RIGHT and setheading != "left":
-                setheading = 'right'
-                snake_head = right
-            if event.key == locals.K_LEFT and setheading != "right":
-                setheading = 'left'
-                snake_head = left
-            if event.key == locals.K_UP and setheading != "down":
-                setheading = 'up'
-                snake_head = up
-            if event.key == locals.K_DOWN and setheading != "up":
-                setheading = 'down'
-                snake_head = down
-
-    # 设置贪吃蛇的头部坐标
-    if setheading == "right":
-        x += 30
-    elif setheading == "left":
-        x -= 30
-    elif setheading == "up":
-        y -= 30
-    else:
-        y += 30
-    position.append((x, y))
-    if x==apple_x and y==apple_y:
-        num1=random.randint(1,22)
-        num2=random.randint(1,16)
-        apple_x=30*num1-30
-        apple_y=30*num2-30
-        score+=10
-    else:
-        position.pop(0)
-    if x<0 or x>630 or y<0 or y>450:
-        exit()
-    # 将背景图画上去
-    screen.blit(background, (0, 0))
-    # 将贪吃蛇的头画上去
-    screen.blit(snake_head, position[-1])
-    # 将贪吃蛇的身体画上去
-    for i in range(len(position)-1):
-        screen.blit(body, position[i])
-
-    # 将果实画上去
-    screen.blit(food, (apple_x, apple_y))
-    info="Score:"+str(score)
-    text=my_font.render(info,True,(0,0,0))
-    screen.blit(text,(540,10))
-    
-    # 刷新画面
-    pygame.display.update()
-    FPSCLOCK.tick(2.5)
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+pygame.init()
+screen = pygame.display.set_mode((640,480))
+bg_img = pygame.image.load('background.png')
+play_img = pygame.image.load('play.png')
+stop_img = pygame.image.load('stop.png')
+last_img = pygame.image.load('last.png')
+next_img = pygame.image.load('.png')
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