save project

snake.py

@@ -25,20 +25,20 @@ while True:
             # 接收到退出事件后退出程序
             exit()
         elif event.type == locals.KEYDOWN:
-           if event.key == locals.K_RIGHT and setheading !="left"
+           if event.key == locals.K_RIGHT and setheading !="left":
               setheading ='right'
               setheading =right
-           if event.key == locals.K_LEFT and setheading !="right" 
+           if event.key == locals.K_LEFT and setheading !="right": 
               setheading ='left' 
               snake_head =left
-           if event.key == locals.K_UP and setheading !="down"
+           if event.key == locals.K_UP and setheading !="down":
               setheading ='up'
               snake_head=up
-           if event.key == locals.K_DOWN and setheading !="up"
+           if event.key == locals.K_DOWN and setheading !="up":
               setheading ='down'
               snake_head =down
 
-              
+
     if setheading =="right":
         x += 30
     elif setheading =="left":
@@ -48,13 +48,12 @@ while True:
     else:
         y += 30  
         
-    x +=30
     position.append((x,y))
     position.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, (x, y))
+    screen.blit(snake_head, (x, y))
     # 将贪吃蛇的身体画上去
     # screen.blit(body, (210, 120))
     # screen.blit(body, (180, 120))