save project

snake.py

@@ -12,6 +12,7 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
+EPS=pygame.time.Clock()
 x,y=240,120
 sankeList=[(180,90),(180,120),(210,120),(x,y)]
 while True:
@@ -32,4 +33,5 @@ while True:
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面
-    pygame.display.update()
\ No newline at end of file
+    pygame.display.update()
+    EPS.tick(3)
\ No newline at end of file