save project

snake.py

@@ -3,20 +3,26 @@ from pygame import locals
 
 
 # 初始化pygame，为使用pygame做准备
 # 初始化pygame，为使用pygame做准备
 pygame.init()
 pygame.init()
-background = pygame.image.load('bg.png')
-food = pygame.image.load('apple.png')
-right = pygame.image.load('right.png')
-body = pygame.image.load('body.png')
+background = pygame.image.load('bg.png')    #背景 
+food = pygame.image.load('apple.png')       #食物 苹果 
+right = pygame.image.load('right.png')      #蛇头 
+body = pygame.image.load('body.png')        #身体 
 # 创建一个窗口
 # 创建一个窗口
 screen = pygame.display.set_mode((660,480))
 screen = pygame.display.set_mode((660,480))
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
         if event.type == locals.QUIT:
         if event.type == locals.QUIT:
-            exit()
+            # 接收到推出时间后退出
+            exit() 
+    # 将背景画上去
     screen.blit(background,(0,0))
     screen.blit(background,(0,0))
+    # 将蛇头画上去
     screen.blit(right,(240,120))
     screen.blit(right,(240,120))
+    # 将身体画上去
     screen.blit(body,(210,120))
     screen.blit(body,(210,120))
     screen.blit(body,(180,120))
     screen.blit(body,(180,120))
     screen.blit(body,(150,120))
     screen.blit(body,(150,120))
+    # 将果实画上去
     screen.blit(food,(360,300))
     screen.blit(food,(360,300))
+    # 刷新画面
     pygame.display.update()
     pygame.display.update()
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