save project

snake.py

@@ -33,7 +33,15 @@ while True:
                 setheading='up'
                 setheading='up'
             if event.key==locals.K_DOWN and setheading !="up":
             if event.key==locals.K_DOWN and setheading !="up":
                 setheading='down'       
                 setheading='down'       
+    if setheading=="right":
         x+=30
         x+=30
+    elif setheading=="left":
+        x-=30
+    elif setheading=="up":
+        y-=30
+    else :
+        y+=30    
+
     position.append((x,y))
     position.append((x,y))
     position.pop(0)        
     position.pop(0)        
     # 将背景图画上去
     # 将背景图画上去