void Update()
{
tank_hp_slider.value = player.GetHP() / max_hp;
tank_shell_info.value = 1 - (player.GetReloadingTime() / player.GetReloadTime());
shell_n.text = "Shell " + (player.GetHasShell().ToString());
tank_shell_force.value = player.GetForce() / player.GetMaxForce();
rotation_line.transform.eulerAngles = new Vector3(0, 0, player.GetTurretRelativeAngle() + 90);
}
