save project

snake.py

@@ -23,6 +23,12 @@ while True:
         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       
     x+=30
     position.append((x,y))  
     position.pop(0)