void shootBullet()
{
Vector3 offset = getOffset();
Vector3 newBulletLocation = this.transform.position;
PlayerBullet newBullet = bullet.GetPooledInstance <PlayerBullet>(newBulletLocation);
newBullet.transform.Translate(offset);
float vol = Random.Range(0.8f, 1.0f);
source.pitch = (Random.Range(0.8f, 1.2f));
source.PlayOneShot(shootSound, vol);
}