auto save

snake.py

@@ -3,8 +3,8 @@ from pygame import locals
 
 # 初始化pygame，为使用硬件做准备
 pygame.init()
-
-# 创建一个窗口
+heading="right"
+k=()
 screen = pygame.display.set_mode((660, 480))
 kk=pygame.time.Clock()
 # 背景
@@ -18,17 +18,27 @@ while True:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
-    # 将背景图画上去
+        if event.type == locals.KEYDOWN:
+            if event.KEY == locals.KEY_UP:
+                heading="up"
+            if event.KEY == locals.KEY_RIGHT:  
+                heading="right"
+            if event.KEY == locals.KEY_LEFT:
+                heading="left"
+            if event.KEY == locals.KEY_DOWN:
+                haedng="down"
     screen.blit(background, (0, 0))
-    # 将贪吃蛇画上去
     x+=30
+
     screen.blit(right, (x, y))
-    # 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
+    for 
+        if heading="left"
+        if heading="right"
+        if heading="left"
+        if heading="left"
     pygame.display.update()
     kk.tick(3)
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