Unity_Utils/Utils/ObjectPool.cs

using System.Collections.Generic;
using UnityEngine;

namespace Util
{
    public class ObjectPool<T> where T : Object
    {
        private readonly Queue<T> _pool;
        private readonly List<T> _prefab;

        public ObjectPool(IEnumerable<T> poolPrefab)
        {
            _pool = new Queue<T>();
            _prefab = new List<T>();
            _prefab.AddRange(poolPrefab);
        }

        /*public ObjectPool(IEnumerable<T> prefabs)
        {
            _pool = new Queue<T>();
            _prefab.AddRange(prefabs);
        }*/

        public void Pool(T objectToPool)
        {
            _pool.Enqueue(objectToPool);
        }

        public T DePool()
        {
            if (_pool.Count > 0)
            {
                return _pool.Dequeue();
            }

            var randomNumber = Random.Range(0, _prefab.Count);
            return Object.Instantiate(_prefab[randomNumber]);
        }

        public void PoolAll(IEnumerable<T> listOfObject)
        {
            foreach (var obj in listOfObject)
            {
                Pool(obj);
            }
        }
    }
}