void Shoot()
    {
        if (portalReticle.onSurface)
        {
            portalManager.ActivatePortal(portalReticle, playerNum);
        }
        else
        {
            Destroy(portalReticle);
        }
        portalReticle = null;

        postShotFreezeTimer = postShotFreezeTime;
    }