auto save

snake.py

@@ -20,7 +20,7 @@ up = pygame.image.load('up.png')            # 头 朝上
 down = pygame.image.load('down.png')        # 头 朝下
 x, y = 240, 120
 position = [(180, 90), (180, 120), (210, 120), (x, y)]
-
+k=5
 setheading = "right"
 snake_head = right
 apple_x=360
@@ -62,9 +62,7 @@ while True:
     else:
         position.pop(0)
     position.append((x, y))
-    if x>630 or x<0 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
@@ -80,4 +78,4 @@ while True:
     screen.blit(text,(540,10))
     # 刷新画面
     pygame.display.update()
-    FPSCLOCK.tick(10)
\ No newline at end of file
+    FPSCLOCK.tick(3)
\ No newline at end of file