public IEnumerable <Cell> Neighbour(GameMatrix matrix)
{
for (int x = Point.X - 1; x <= Point.X + 1; x++)
{
for (int y = Point.Y - 1; y <= Point.Y + 1; y++)
{
if (x >= 0 && y >= 0 && x < matrix.Width && y < matrix.Height && !(x == Point.X && y == Point.Y))
{
yield return(matrix[x, y]);
}
}
}
}
public List <Cell> ProcessAllRules(GameMatrix matrix)
{
var changes = new List <Cell>(matrix.Width * matrix.Height);
Cell[] allThatAreOn = matrix.Cells.Where(x => x.IsOn).ToArray();
foreach (Cell cell in allThatAreOn.Union(allThatAreOn.SelectMany(x => x.Neighbour(matrix))).ToArray())
{
int neighbours = cell.Neighbour(matrix).Where(x => x.IsOn).Count();
foreach (IRule rule in _rules)
{
Cell nCell = cell.Clone();
if (rule.Process(nCell, neighbours))
{
changes.Add(nCell);
}
}
}
Console.Out.WriteLine(string.Format("{0} changes", changes.Count));
matrix.ApplyChanges(changes);
return(changes);
}
