save project

snake.py

@@ -15,24 +15,23 @@ body = pygame.image.load('body.png')
 FPSCLOCK=pygame.time.Clock()
 x=240
 y=120
-
+a=[(180,90),(180,120),(210,120),(x,y)]
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
-        x=x+30
-    
+    x=x+30
+    a.append((x,y))
+    a.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
+    screen.blit(food, (360, 300))
+    screen.blit(right,a[-1])
     # 将贪吃蛇画上去
-    screen.blit(right, (x, y))
+    for i in range(len(a)-1):
+        screen.blit(body, a[i])
     # 将贪吃蛇的身体画上去
-    screen.blit(body, (210, 120))
-    screen.blit(body, (180, 120))
-    screen.blit(body, (180, 90))
-    # 将果实画上去
-    screen.blit(food, (360, 300))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
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