private GameGrid(GameCell[,] cells)
{
var width = cells.GetUpperBound(0) + 1;
var height = cells.GetUpperBound(1) + 1;
Cells = new GameCell[width, height];
for (var x = 0; x < width; ++x)
{
for (var y = 0; y < height; ++y)
{
Cells[x, y] = (GameCell)cells[x, y].Clone();
}
}
}