auto save

snake.py

@@ -13,7 +13,6 @@ right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 x, y = 240,120
-setheading = "right"
 position = [(180,90),(180,120),(210,120),(x,y)]
 while True:
     for event in pygame.event.get():
@@ -21,30 +20,10 @@ while True:
             # 接收到退出事件后退出程序
             exit()
 
-        if event.type == locals.KEYDOWN:
-            if event.key == locals.K_RIGHT and setheading !="left":
-                setheading =  'right'
-            if event.key == locals.K_LEFT and setheading !="right":
-                setheading = 'left'
-            if event.key == locals.K_UP and setheading !="down":
-                setheading =='up'
-            if event .key == locals.K_DOWN and setheading !="up":
-                setheading = 'down'
-    if setheading == "right":
-        x +=30
-    elif setheading =="left":
-        x -= 30
-    elif setheading == "up":
-        y -= 30
-    else:
-        y += 30
     x +=30
+    # 将背景图画上去
     position.append((x,y))
     position.pop(0)
-
-    
-    # 将背景图画上去
-    
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
     screen.blit(right, (x, y))