save project

snake.py

@@ -3,7 +3,7 @@ from pygame import locals
 
 # 初始化pygame，为使用硬件做准备
 pygame.init()
-
+position = [()]
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 
@@ -15,21 +15,23 @@ right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 x,y = 240,120
+position = [(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 += 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))
+    screen.blit(right,position[-1])
     # 将贪吃蛇的身体画上去
-    screen.blit(body, (x-30, y))
-    screen.blit(body, (x-60, y))
-    screen.blit(body, (x-90, y))
+    for i in range(len(position)-1):
+        screen.blit(body,position[i])
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面