save project

snake.py

@@ -6,7 +6,7 @@ pygame.init()
 x,y=240,140
 position = [(180, 90),(180, 120),(210, 120),(x,y)]
 setheading="right"
-snake_head=right
+
 
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
@@ -19,6 +19,8 @@ body = pygame.image.load('body.png')
 left = pygame.image.load('left.png')
 up = pygame.image.load('up.png')
 down = pygame.image.load('down.png')
+
+snake_head=right
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -26,16 +28,16 @@ while True:
         if event.type == locals.KEYDOWN:
             if event.type == locals.K_RIGHT and setheading !="left":
                 setheading="right"
-                snake_head="right"
+                snake_head=right
             if event.type == locals.K_LEFT and setheading !="right":
                 setheading="left"
-                snake_head="left"
+                snake_head=left
             if event.type == locals.K_UP and setheading !="down":
                 setheading="up"
-                snake_head="up"
+                snake_head=up
             if event.type == locals.K_DOWN and setheading !="up":
                 setheading="down"
-                snake_head="down"
+                snake_head=down
             # 接收到退出事件后退出程序
     if setheading == "right":
         x+=30