void SetCell(BoardPosition position, BoardCell cell)
{
var matrixCoords = BoardPositionToMatrixIndices(position);
this.cells[matrixCoords.Item1, matrixCoords.Item2] = cell;
}
/// <summary>
/// To be used only by BoardCell.
/// Sets the reference of this content to a new cell.
/// DOES NO FURTHER PROCESSING LIKE UPDATING THE CELL CONTENT.
/// </summary>
/// <param name="cell">The destination cell.</param>
public void SetCell(BoardCell cell)
{
this._cell = cell;
this.transform.SetParent(cell.Transform, false);
}