save project

snake.py

@@ -22,13 +22,11 @@ while True:
     x += 30
     po.append((x,y))
     po.pop(0)
-    # 将背景图画上去
-    screen.blit(background, (0,0))
-    # 将贪吃蛇画上去
-    screen.blit(right,(po[-1]))
-    # 将贪吃蛇的身体画上去
-    for i in range(len(po)-1):
-        screen.blit(body,po[i])
+    screen.blit(background,(0,0))
+    screen.blit(right,(po[3]))
+    screen.blit(body,(po[2]))
+    screen.blit(body,(po[1]))
+    screen.blit(body,(po[0]))
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面