save project

snake.py

@@ -16,11 +16,22 @@ body = pygame.image.load('body.png')
 x,y = 240,120
 possition = [(180,90),(180,120),(210,120),(x,y)]
 
+setheadin = '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.typee == 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'
     x += 30
     possition.append((x,y))
     possition.pop(0)