save project

snake.py

@@ -3,16 +3,15 @@ from pygame import locals
 
 # 初始化pygame，为使用硬件做准备
 pygame.init()
-
+x,y=240,120
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
-
+b=[(270,150),(270,120),(x,y)]
 # 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 a=pygame.time.Clock()
-x,y=240,120
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -20,12 +19,13 @@ while True:
             exit()
     # 将背景图画上去\
     x+=30
+    b.append((x,y))
+    b.pop(0)
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
     screen.blit(right, (x,y))
-    screen.blit(right, (270,120))
-    screen.blit(right, (270,150))
-
+    for i in range(len(b)-1):
+        screen.blit(right, (b[i]))
     # 将贪吃蛇的身体画上去
 
     # 将果实画上去