对象池

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

public class ObjectPool : MonoBehaviour {
    public static ObjectPool instance;
    Stack<GameObject> pool = new Stack<GameObject>();
    
	void Start () {
        instance = this;
	}
    public void Delete(GameObject g)
    {
        g.SetActive(false);
        pool.Push(g);
    }
    public GameObject Creat(GameObject prefab, Vector3 position, Quaternion qua)
    {
        GameObject g=null;
        if (pool.Count>0)
        {
            g=pool.Pop();
            g.SetActive(true);
            g.transform.position = position;
            g.transform.rotation = qua;
        }
        else
        {
            g=Instantiate(prefab,position,qua);
        }
        return g;
    }
}

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

public class PoolText : MonoBehaviour {
    public GameObject prefab;
    public Stack<GameObject> s = new Stack<GameObject>();
	// Use this for initialization
	void Start () {
		
	}
	
	// Update is called once per frame
	void Update () {
		
	}
    public void Create()
    {
        s.Push(ObjectPool.instance.Creat(prefab,Vector3.one,Quaternion.identity));
    }
    public void Delete()
    {
        ObjectPool.instance.Delete(s.Pop());
    }
}