public IEnumerable<Cell> Find(CellList list, Point position)
{
var generator = new GeneratePointsAroundPoint();
IEnumerable<Point> points = generator.Generate(position);
var cellFinder = new FindCellAtPosition();
return points.Select(p => cellFinder.Find(list, p)).Where(c => c != null);
}
IEnumerable<Cell> FindOrGenerateNeighbourCells(CellList list, Cell cell)
{
IEnumerable<Point> points = new GeneratePointsAroundPoint().Generate(cell.Point);
foreach (Point point in points)
{
Cell match = new FindCellAtPosition().Find(list, point);
if (match != null)
{
yield return match;
}
else
{
yield return new AddNewCellToList(point, CellState.Dead).ToList(list);
}
}
}