ArcadeRPG.MonsterEngine.Update C# (CSharp) Метод

        public void Update(int elapsed_time)
        {
            for (int i = 0; i < monsters.Count(); ++i)
            {
                Enemy monster = monsters.ElementAt(i);
                bool mons_removed = false;

                if (monster.getHealth() <= 0)
                {
                    game_state.monster_engine.Remove(monster);
                    mons_removed = true;
                    game_state.fx_engine.RequestExplosion(explosionType.SMALL, monster.getX() + (monster.getWidth() / 2), monster.getY() + (monster.getHeight() / 2));
                    game_state.fx_engine.RequestSound(soundType.ENEMY_DIE);
                }
                if (mons_removed == false)
                {
                    if (IsVisible(monster))
                    {
                        move_towards_target(monster);

                        if (monster.next_think_time >= 2000) //TIME DELAY
                        {
                            actionDecision action = think(monster);
                            act(monster, action);
                            monster.next_think_time = 0;
                        }
                        else
                        {
                            monster.next_think_time += elapsed_time;
                        }
                    }
                }
            }
        }