private void button1_Click(object sender, RoutedEventArgs e)
        {
            u = new Player(++i, "User #" + i);
            game.AddPlayer(u);
            u.test();
            s = new Skill("Frost", Key.F, 5000);
            game.AddSkill(s);
            s = new Skill("Slice", Key.S, 3000);
            game.AddSkill(s);

            UpdateHitsList();
        }