save project

snake.py

@@ -65,8 +65,6 @@ while True:
         score+=10
     else:
         position.pop(0)
-    if 0>x or x>630 or 0>y 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
@@ -83,4 +81,4 @@ while True:
     screen.blit(text,(540,10))
     # 刷新画面
     pygame.display.update()
-    FPSCLOCK.tick(30)
\ No newline at end of file
+    FPSCLOCK.tick(8)
\ No newline at end of file