save project

snake.py

-
+import pygame
 from pygame import locals
 
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 # 初始化pygame，为使用硬件做准备
 pygame.init()
 
@@ -25,23 +14,25 @@ food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 
 x,y = 240,120
-
+p = [(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
+    p.append((x,y))
+    p.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))
     # 将贪吃蛇的身体画上去
-    screen.blit(body, (210, 120))
-    screen.blit(body, (180, 120))
-    screen.blit(body, (180, 90))
+    for i in range(len(p)-1):
+        screen.blit(body, p[i])
+
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面
     pygame.display.update()
-    FPS.tick(3)
\ No newline at end of file
+    FPS.tick(4)
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