using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
public class biaomian_change : MonoBehaviour
{
    public int index;
    public Image image;
    public Sprite[] sprites;
    public GameObject up;
    public GameObject down;
    // Start is called before the first frame update
    void Start()
    {
        EventTriggerListener.Get(up).onClick += g => { spriteup();  };
        EventTriggerListener.Get(down).onClick += g => { spritedown(); };
    }

    // Update is called once per frame
    void Update()
    {
        
    }
    public void spriteup() 
    {
        index += 1;
       
        if (index > sprites.Length) {

            index = 0;
        
        }
        image.sprite = sprites[index];

    }
    public void spritedown()
    {
        index -= 1;
       
        if (index < 0)
        {

            index = sprites.Length-1;

        }
      image.sprite = sprites[index];



    }
}