Programming-Design-Patterns-And-Principles/Assets/Patterns_And_Principles/Patterns/Object Pool Pattern/BasicPool/Script/BulletPoolExample.cs

using System;
using UnityEngine;

namespace Patterns_And_Principles.Patterns.Object_Pool_Pattern.BasicPool.Script
{
    public class BulletPoolExample : MonoBehaviour
    {
        [SerializeField]
        private SimpleBullet prefab;
        private ObjectPool<SimpleBullet> _bulletPool;

        private void Start()
        {
            _bulletPool = new ObjectPool<SimpleBullet>(prefab, transform, 20, false);
        }

        private void Update()
        {
            if (Input.GetKeyDown(KeyCode.Space))
            {
                SimpleBullet bullet = _bulletPool.Get();
                bullet.transform.position = transform.position;
            }
        }

        public void ReturnBullet(SimpleBullet bullet)
        {
            _bulletPool.Release(bullet);
        }
    }
}