auto save

snake.py

 import pygame
-
-# 初始化pygame，为使用pygame做准备
+x=90
+y=30
+a=[(0,0),(30,30),(60,30),(x,y)]
+FPSCLOCK=pygame.time.Clock()
+from pygame import locals
 pygame.init()
+bg = pygame.image.load("bg.png")
+tou = pygame.image.load("right.png")
+apple = pygame.image.load("apple.png")
+body = pygame.image.load("body.png")
+screen = pygame.display.set_mode((800,600))
+tt='right'
+
+while True:
+    for i in pygame.event.get():
+        
+        if i.type == locals.QUIT:
+            exit()
+        if i.type==locals.KEYDOWN:
+            if i.key==locals.K_RIGHT and tt!='left':
+                tt='right'
+            if i.key==locals.K_LEFT and tt!='right':
+                tt='left'
+            if i.key==locals.K_UP and tt!='down':
+                tt='up'
+            if i.key==locals.K_DOWN and tt!='up':
+                tt='down'
+    if tt=='right':
+        x+=30
+    if tt=='left':
+        x-=30
+    if tt=='up':
+        y-=30
+    if tt=='down':
+        y+=30
+    a.append((x,y))
+    a.pop(0)
+    
+      
+    screen.blit(bg,(0,0))
+    for i in range(len(a)-1):
+       screen.blit(body,a[i])
+       
+    screen.blit(apple,(120,120))
+    screen.blit(tou,(x,y))
+    # screen.blit(body,(60,0))
+    # screen.blit(body,(30,0))
+    # screen.blit(body,(0,0))
     
-# 创建一个窗口
-??
\ No newline at end of file
+    pygame.display.update()
+    FPSCLOCK.tick(5)
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