ChivaFrameWork/Framework/Toolkits/ChivaVR_CurvedUI_HintInfo/Scripts/CurvedUIPool.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class CurvedUIPool : MonoBehaviour
{
    private static CurvedUIPool instance = null;
    //共有的唯一的，全局访问点
    public static CurvedUIPool Instance
    {
        get
        {
            if (instance == null)
            {    //查找场景中是否已经存在单例
                instance = GameObject.FindObjectOfType<CurvedUIPool>();
                if (instance == null)
                {    //创建游戏对象然后绑定单例脚本
                    GameObject go = new GameObject("CurvedUIPool");
                    instance = go.AddComponent<CurvedUIPool>();
                }
            }
            return instance;
        }
    }

    private void Awake()
    {    //防止存在多个单例
        if (instance == null)
            instance = this;
        else
            Destroy(gameObject);
    }
    public Transform _poolTrans;
    public bool isPlayCurvedLoadAni = true;
    public CurvedUIBaseController _cuiBasePrefab;
    public List<CurvedUIBaseController> _cuiBaseControllerPools = new List<CurvedUIBaseController>();

    public CurvedUIBaseController GetCUIBaseController()
    {
        if (_cuiBaseControllerPools.Count > 0)
        {
            CurvedUIBaseController get_CuiBase = _cuiBaseControllerPools[0];
            _cuiBaseControllerPools.Remove(get_CuiBase);
            return get_CuiBase;
        }
        else
        {
            CurvedUIBaseController item = GameObject.Instantiate(_cuiBasePrefab);
            item.transform.parent = _poolTrans;
            item.gameObject.SetActive(true);
            item.InitCurvedOpenState(false);
            return item;
        }
    }

    public void PutCUIBaseController(CurvedUIBaseController cuiBase)
    {
        if (!_cuiBaseControllerPools.Contains(cuiBase))
        {
            _cuiBaseControllerPools.Add(cuiBase);
        }
        cuiBase.InitCurvedOpenState(false);
    }
}