duck

class SpaceManager : MonoBehaviour {

    Cell[,] grid;
    int divisionsX = 20;
    int divisionsZ = 20;

    void Start() {
        grid = new Cell[divisionsX,divisionsZ];
    }

}



class Cell {

    List<Transform> contents = new List<Transform>();

    public Add(Transform item)
    {
        contents.Add(item);
    }

    public Remove(Transform item)
    {
        contents.Remove(item);
    }

    public Transform[] GetContents()
    {
        return contents.ToArray();
    }

}