auto save

snake.py

 import pygame
 from pygame import locals
-
-# 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))
-
-# 背景
-background = pygame.image.load('bg.png')
-right = pygame.image.load('right.png')
-food = pygame.image.load('apple.png')
-body = pygame.image.load('body.png')
-
-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()
-    # 将背景图画上去
-    screen.blit(background, (0, 0))
-    # 将贪吃蛇画上去
-    screen.blit(right, (240, 120))
-    # 将贪吃蛇的身体画上去
-    screen.blit(body, (210, 120))
-    screen.blit(body, (180, 120))
-    screen.blit(body, (180, 90))
-    # 将果实画上去
-    screen.blit(food, (360, 300))
-    # 刷新画面
-    pygame.display.update()
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+FPSCLOCK=pygame.time.Clock()#调用pygame时钟
+
+background = pygame.image.load('bg.png')
+food=pygame.image.load('apple.png')
+right=pygame.image.load('right.png')
+
+
+body=pygame.image.load('body.png')
+screen=pygame.display.set_mode((660,480))
+x,y=240,120
+position=[(180,90),(180,120),(210,120),(x,y)]
+while True:
+    for event in pygame.event.get():
+        if event.type==locals.QUIT:
+            exit()
+        x+=30
+        position.append((x,y))
+        position.pop(0)
+    screen.blit(background,(0,0))
+    screen.blit(food,(360,300))
+    
+    screen.blit(right,position[-1])
+
+    for i in range(len(position)-1):
+        screen.blit(body,position[i])
+
+
+    pygame.display.update()
+
+    FPSCLOCK.tick(3)
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