save project

snake.py

@@ -59,7 +59,8 @@ while True:
         num2=random.randint(0,16)
         apple_x=num1*30 -30
         apple_y=num2*30 -30
-
+    else:
+        position.pop(0)
     position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
@@ -70,7 +71,7 @@ while True:
         screen.blit(body, position[i])
 
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (apple_x, apple_y))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
\ No newline at end of file