save project

snake.py

@@ -17,28 +17,12 @@ body = pygame.image.load('body.png')
 x,y = 240,120
 positiion = [(180,90),(180,120),(210,120),(x,y)]
 
-setheading = "right"
-
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             # 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
-    if setheading == "left":
-        x -= 30
+    x += 30
     positiion.append((x,y))
     positiion,pop(0)
     # 将背景图画上去