save project

snake.py

 import pygame
-from pygame import locals#locals为pygame子模块(必写)
+from pygame import locals
+
 # 初始化pygame，为使用pygame做准备
 pygame.init()
+
 # 创建一个窗口
-screen=pygame.display.set_mode((660,480),flags=0,depth=0,display=0)
+screen=pygame.display.set_mode((660,480))
+#背景
+background=pygame.image.load('bg.png')
+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:
+        if event.type == locals.QUIT:
             #接收到退出事件后退出程序
             exit()
-screen.blit(background,(0,0))#添加背景
-screen.blit(right,(240,120))#添加蛇头
-screen.blit(food,(360,300))#添加苹果
-screen.blit(body,(210,120))
-screen.blit(body,(180,120))
-screen.blit(body,(180,90))#添加身体
-screen.pygame.display.update()#刷新窗口画面
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+    position.append((240,120))
+    position.pop(0)
+    #将背景画上去
+    screen.blit(background,(0,0))
+    #将贪吃蛇画上去
+    screen.blit(right,(240,120))
+    #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))
+    #将果实画上去
+    screen.blit(food,(360,300))
+    #刷新画面
+    pygame.display.update()
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