按钮选择，类似Toggle

版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/n_moling/article/details/89203187

由于是不同按钮选择，普通的button实现不了，就自己写了一个，后面发现，就是个简易版的Toggle。

按钮选择：

using UnityEngine;
using UnityEngine.UI;

namespace LastZero.Utility.UI
{
    public class ButtonSelect: MonoBehaviour {

        public Sprite normal;//常态
        public Sprite selected;//被选择
        public ButtonSelectGroup group;//组

        private void Start()
        {
            if (group != null)
            {
                group.Add(this);
            }

            if (GetComponent<Button>() == null)
            {
                gameObject.AddComponent<Button>();
            }

            GetComponent<Button>().onClick.AddListener(ClickEvent);
        }

        /// <summary>
        /// 点击事件
        /// </summary>
        private void ClickEvent()
        {
            if (group == null)
            {
                GetComponent<Image>().sprite = GetComponent<Image>().sprite == normal ? selected : normal;
            }
            else
            {
                for (int i = 0; i < group.GetGroup().Count; i++)
                {
                    group.GetGroup()[i].GetComponent<Image>().sprite = group.GetGroup()[i].normal;
                }
                GetComponent<Image>().sprite = selected;
            }
        }
    }
}

按钮组：

using System.Collections.Generic;

using UnityEngine;

namespace LastZero.Utility.UI
{
    public class ButtonSelectGroup: MonoBehaviour {

        /// <summary>
        /// 组
        /// </summary>
        private List<ButtonSelect> buttonGroup = new List<ButtonSelect>();

        /// <summary>
        /// 添加
        /// </summary>
        /// <param name="buttonselect">按钮</param>
        public void Add(ButtonSelect buttonSelect)
        {
            if (!buttonGroup.Contains(buttonSelect))
            {
                buttonGroup.Add(buttonSelect);
            }
        }

        /// <summary>
        /// 获取按钮组集合
        /// </summary>
        /// <returns>组</returns>
        public List<ButtonSelect> GetGroup()
        {
            return buttonGroup;
        }
    }
}