ProjectileLauncher.cs

using UnityEngine;

public class ProjectileLauncher : MonoBehaviour
{
	[SerializeField]
	private Projectile prefab;

	[SerializeField]
	[Tooltip("Time in seconds between shots")]
	private float fireDelay = 0.5f;

	[SerializeField]
	private AimType aimType = AimType.AtPlayer;

	private float timer;

	private Pool pool;

	private void Start()
	{
		pool = Pool.GetPool(prefab);
	}
	
	private void Update()
	{
		timer += Time.deltaTime;
		if (timer >= fireDelay)
		{
			timer = 0f;
			Fire();
		}
	}

	private void Fire()
	{
		var projectile = pool.Get(transform.position, Quaternion.identity) as Projectile;
        //var projectile = Instantiate(prefab, transform.position, Quaternion.identity) as Projectile; // without a pool

		switch (aimType)
		{
			case AimType.AtPlayer:
				var playerShip = FindObjectOfType<PlayerSideShip>();
				if (playerShip != null)
				{
					var target = playerShip.transform.position;
					var direction = target - transform.position;

					projectile.SetDirection(direction.normalized);
				}
				break;
			case AimType.Forward:
				projectile.SetDirection(transform.forward);
				break;
			default:
				break;
		}
		
	}

	

	private void OnDrawGizmos()
	{
		Gizmos.DrawRay(transform.position, transform.forward);
	}
}

public enum AimType
{
	AtPlayer,
	Forward,
}