save project

snake.py

@@ -13,25 +13,29 @@ right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 x=240
+y=120
+b=[(150, 120),(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()
-    if x<0 or x>630 or y<0 or y>450:
-        exit()
     x+=30
+    b.append((x,y))
+    b.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, 120))
-    # 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
+     #将贪吃蛇画上去
+    screen.blit(right, (x, y))
+    #将贪吃蛇的身体画上去
+    for i in range(len(b)-1):
+        screen.blit(body,b[i])
+    # screen.blit(body, (b[2]))
+    # screen.blit(body, (b[1]))
+    # screen.blit(body, (b[0]))
+     #将果实画上去
     screen.blit(food, (360, 300))
-    sc
+    
     # 刷新画面
     pygame.display.update()
     a=pygame.time.Clock();a.tick(3)
\ No newline at end of file