save project

snake.py

@@ -2,6 +2,8 @@ import pygame
 from pygame import locals
 # 初始化pygame，为使用pygame做准备
 t=pygame.time.Clock()
+x,y=240,120
+she=[(210,120),(180,120),(180,90),(x,y)]
 pygame.init()
 background=pygame.image.load('bg.png')
 right=pygame.image.load('right.png')
@@ -9,18 +11,18 @@ apple=pygame.image.load('apple.png')
 body=pygame.image.load('body.png')
 # 创建一个窗口
 screen=pygame.display.set_mode((800,600))
-x,y=240,120
 while True:
     for event in pygame.event.get():
         if event.type==locals.QUIT:
             exit()
     x += 30
+    she.append((x,y))
+    she.pop(0)
     screen.blit(background,(0,0))
-    screen.blit(right,(240,120))
+    screen.blit(right,(x,y))
     screen.blit(apple,(360,240))
-    screen.blit(body,(210,120))
-    screen.blit(body,(180,120))
-    screen.blit(body,(180,90))
+    for i in range(len(she)-1):
+        screen.blit(body,she[i])
     t.tick(3)
     pygame.display.update()
     
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