SunsetHigh.Room.addObject C# (CSharp) Method

        public void addObject(object o)
        {
            if (o is Sprite)
                Sprites.Add((Sprite)o);
            if (o is Character)
                CharList.Add((Character)o);
            if (o is IInteractable)
                Interactables.Add((IInteractable)o);
        }