My Unity Object Pooing Code

ObjectPooling.cs

//
// (c) 2019 capra314cabra
//
// https://gist.github.com/capra314cabra/e95ab177e3f089e3db3ad13ac0ec20f5
//

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

public class ObjectPooling : MonoBehaviour
{
	[SerializeField]
	private GameObject m_Object;
	[SerializeField]
	private int initCount;
	[SerializeField]
	private bool setParent;

	private List<GameObject> gameObjects =
		new List<GameObject>();

	private void Start () 
	{
		for(int i = 0; i < initCount; i++)
			CreateNew(false);
	}

	private GameObject CreateNew (bool active)
	{
		var go = Instantiate(m_Object);
		if(setParent) go.transform.parent = gameObject.transform;
		go.SetActive(active);
		gameObjects.Add(go);
		return go;
	}

	public GameObject GetObject () 
	{
		for(int i = 0; i < gameObjects.Count; i++) 
		{
			if(!gameObjects[i].activeSelf)
			{
				gameObjects[i].SetActive(true);
				return gameObjects[i];
			}
		}
		return CreateNew(true);
	}

	public void ReturnObject (GameObject go)
	{
		if(gameObjects.Contains(go)) go.SetActive(false);
		else throw new System.ArgumentException("Not found the game object.");
	}
}