auto save

snake.py

@@ -2,10 +2,30 @@ import pygame
 from pygame import locals
 # 初始化pygame，为使用pygame做准备
 pygame.init()
+#载入图片
+background=pygame.image.load("bg.png")
+right=pygame.image.load("right.png")
+left=pygame.image.load("left.png")
+up=pygame.image.load("up.png")
+down=pygame.image.load("down.png")
+body=pygame.image.load("body.png")
+apple=pygame.image.load("apple.png")
 
 # 创建一个窗口
 screen=pygame.display.set_mode((660,480))
 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()
+#将背景图渲染到窗口上
+    screen.blit(background,(0,0))
+#将蛇图渲染到窗口上
+    screen.blit(right,(540,390))
+    screen.blit(body,(510,390))
+    screen.blit(body,(480,390))
+    screen.blit(body,(480,360))
+#将苹果图渲染到窗口上
+    screen.blit(apple,(600,390))
+
+#将最新的渲染画面展示到窗口中
+    pygame.display.update()
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