public void FireProjectile()
{
Vector3 relativePos = target.transform.position - transform.position;
GameObject newProjectile = Instantiate(
Projectile, Nozzle.transform.position, Quaternion.LookRotation(relativePos, Vector3.up)
);
// add projectile modifire to the new projectile
ProjectileController controller = newProjectile.GetComponent <ProjectileController>();
controller.Init(this.projectileModifier);
nextFire = Time.time + fireCooldownInSeconds * controller.GetCooldownMultiplier();
}