auto save

111.py

@@ -7,6 +7,7 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 body = pygame.image.load('body.png')
+setheading='right'
 t=pygame.time.Clock()#pygame时钟，控制游戏速度（帧数）
 t=pygame.time.Clock()#pygame时钟，控制游戏速度（帧数）
 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)]
@@ -14,9 +15,23 @@ 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()
             exit()
-        if event.type == locals
-    x+=30
-    screen.blit(background, (0, 0))
+        if event.type == locals.RIGHT and setheading != 'left':
+            setheading='right'
+        if event.type == locals.LEFT and setheading != 'right':
+            setheading='left'
+        if event.type == locals.UP and setheading != 'down':
+            setheading='up'
+        if event.type == locals.DOWN and setheading != 'up':
+            setheading='down'
+    if setheading=='right':
+        x+=30
+    if setheading=='left':
+        x-=30    
+    if setheading=='up':
+        y-=30
+    if setheading=='down':
+        x+=30
+    screen.blit(background, (0, 0))
     position.append((x,y))
     position.append((x,y))
     position.pop(0)
     position.pop(0)
     screen.blit(right, position[-1])
     screen.blit(right, position[-1])