save project

snake.py

 import pygame
 from pygame import locals
-
+x=240
+y=120
 # 初始化pygame，为使用硬件做准备
 pygame.init()
-fps_clock = pygame.tick(3)
+fps_colck=pygame.time.Clock()
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 
@@ -12,9 +13,9 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
+position = [(180,90),(180,120),(210,120),(x,y)]
 
 while True:
-    x+=30
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
@@ -22,7 +23,13 @@ while True:
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, (240, 120))
+    x+=30
+    position.append((x,y))
+    position.pop(0)
+    screen.blit(right,position[-1])
+    for i in range(len(position)-1):
+         screen.blit(body,position[i])
+
     # 将贪吃蛇的身体画上去
     screen.blit(body, (210, 120))
     screen.blit(body, (180, 120))
@@ -31,3 +38,4 @@ while True:
     screen.blit(food, (360, 300))
     # 刷新画面
     pygame.display.update()
+    fps_colck.tick(3)
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