save project

snake.py

@@ -2,17 +2,20 @@ import pygame
 from pygame import locals
 # 初始化pygame，为使用pygame做准备
 pygame.init()
-background=pygame.image.load("bg.png")
+background=pygame.image.load("bg.png")#    =pygame.image.load("") 下载
 right=pygame.image.load("right.png")
 food=pygame.image.load("apple.png")
+body=pygame.image.load("body.png")
 # 创建一个窗口
-screen=pygame.display.set_mode((660,480))
+screen=pygame.display.set_mode ((660,480))#     =pygame.display.set_mode(( , )) 创建窗口
 while True:
-    for event in pygame.event.get(): 
-        if event.type==locals.QUIT:
-            exit()
-    screen.blit(background,(0,0))
+    for event in pygame.event.get():#event in pygame.event.get() 引发事件
+        if event.type == locals.QUIT: #event.type == locals.QUIT: 引发事件=退出一样时 
+            exit()  #退出
+    screen.blit(background,(0,0))  #screen.blit(  ,( , )) 渲染图片
     screen.blit(right,(240,120))
-    screen.blit(food,(360,300))
-
-    pygame.display.update()
+    screen.blit(food,(360,240))
+    screen.blit(body,(240,90))
+    screen.blit(body,(210,90))
+    screen.blit(body,(180,90))
+    pygame.display.update()# pygame.display.update() 刷新画面