//値を代入して家具グリッドを追加(基本的に外部で呼び出される)
    public void AddFurniture(int category_ID, int grid_ID)
    {
        if (furniture_grid_.Count < 50)
        {
            object_number_ += 1;

            FurnitureGrid temp = new FurnitureGrid();
            temp.Init(category_ID, grid_ID);
            temp.Translate(Grid_Manager.point((int)(Grid_Manager.Grid_x_max() * 0.5f), (int)(Grid_Manager.Grid_y_max() * 0.5f)).pos);

            furniture_grid_.Add(temp);
        }

        furniture_direction(furniture_grid_[furniture_grid_.Count - 1]);
        Debug.Log(furniture_grid_[furniture_grid_.Count - 1].placed_direction());
        Update_Evaluate();
    }