save project

snake.py

@@ -61,6 +61,8 @@ while True:
     else:
         position.pop(0)
 
+    #if x < 0 or x > 630 or y < 0 or y > 450:
+        #exit()
 
     position.append((x,y))
     #position.pop(0)
@@ -76,4 +78,4 @@ while True:
     screen.blit(food, (apple_x, apple_y))
     # 刷新画面
     pygame.display.update()
-    FPSCLOCK.tick(3)
\ No newline at end of file
+    FPSCLOCK.tick(10)
\ No newline at end of file