auto save

snake.py

@@ -5,6 +5,7 @@ from pygame import locals
 pygame.init()
 pygame.init()
 x,y=240,120
 x,y=240,120
 position=[(180,90),(180,120),(210,120),(x,y)]
 position=[(180,90),(180,120),(210,120),(x,y)]
+setheanding = 'right'
 # 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))
 FPSCLOCK=pygame.time.Clock()
 FPSCLOCK=pygame.time.Clock()
@@ -20,7 +21,23 @@ while True:
         if event.type == locals.QUIT:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             # 接收到退出事件后退出程序
             exit()
             exit()
-    x+=30
+        if event.type==locals.KEYDOWN:
+            if event.key=locals.K_RIGHT and setheanding != 'left':
+                setheanding='right'
+            if event.key=locals.K_LEFT and setheanding != 'right':
+                setheanding='left'
+            if event.key=locals.K_UP and setheanding != 'down':
+                setheanding='up'
+            if event.key=locals.K_DOWN and setheanding != 'up':
+                setheanding='down'
+    if setheanding == 'right':
+        x += 30
+    elif setheanding == 'left':
+        x -= 30
+    elif setheanding == 'up':
+        y -= 30
+    else:
+        y += 30   
     position.append((x,y))
     position.append((x,y))
     position.pop(0)      
     position.pop(0)      
     # 将背景图画上去
     # 将背景图画上去