public void OnApplicationQuit()
{
PlayerPrefs.SetString("AncientTime", System.DateTime.Now.ToString());
for (int i = 0; i < nbGuard; i++)
{
string g = "guard" + i.ToString();
PlayerPrefs.SetInt(g, guardActive [i]);
}
PlayerPrefs.SetInt("LifeGuard", Mathf.Abs(gm.GetLifeGuard() - gm.GetBaseLife()));
PlayerPrefs.SetFloat("VolumeMusic", sm.GetVolume(0));
PlayerPrefs.SetFloat("VolumeEffect", sm.GetVolume(1));
PlayerPrefs.SetInt("LastScore", GetComponent <ScoreManager>().GetScore());
}