save project

snake.py

@@ -15,6 +15,7 @@ food = pygame.image.load('apple.png') #食物 苹果
 body = pygame.image.load('body.png')
 
 x,y = 240,120  #初始化贪吃蛇的头的坐标
+position = [(180,90),(180,120),(210,120),(x,y)]
 
 while True:
     for event in pygame.event.get():
@@ -22,14 +23,15 @@ while True:
             #接收到退出事件后退出程序
             exit()
     x += 30
+    position.append((x,y))
+    position.pop(0)
     #将背景图画上去
     screen.blit(background,(0,0))
     #将贪吃蛇画上去
     screen.blit(right,(x,y))
     #将身体画上去
-    screen.blit(body,(210,120))
-    screen.blit(body,(180,120))
-    screen.blit(body,(180,90))
+    for i in range(len(position)-1):
+        screen.blit(body,position[i])
     #将苹果画上去
     screen.blit(food,(360,300))
     #刷新画面