/// <summary>
/// Checks if 2 cells are neighbours
/// </summary>
/// <param name="cell1">Cell 1</param>
/// <param name="cell2">Cell 2</param>
/// <returns>True if cells are neighbours, else false</returns>
private bool AreNeighbours(Cell cell1, Cell cell2)
{
if (cell1 == cell2)
return false;
if (Math.Abs(cell1.XPos - cell2.XPos) > 1)
return false;
if (Math.Abs(cell1.YPos - cell2.YPos) > 1)
return false;
return true;
}
/// <summary>
/// Check if cell should come to life
/// </summary>
/// <param name="cell">Cell</param>
/// <returns>true if cell should come to life, else false if cell should remain dead</returns>
private bool ShouldAwake(Cell cell)
{
if (cell.IsAlive)
return false;
var noOfLiveNeighbours = GetCellNeighbours(cell).Count(n => n.IsAlive);
return (noOfLiveNeighbours == 3);
}
/// <summary>
/// Gets all neighbours of a given cell
/// </summary>
/// <param name="cell">Cell</param>
/// <returns>All neighbors of a cell</returns>
private IEnumerable<Cell> GetCellNeighbours(Cell cell)
{
return _cells.Where(c => AreNeighbours(c, cell));
}
/// <summary>
/// Check if a cell should die
/// </summary>
/// <param name="cell">Cell</param>
/// <returns>true if cell should die,else false if cell should live</returns>
private bool ShouldDie(Cell cell)
{
if (!cell.IsAlive)
return false;
var noOfLiveNeighbours = GetCellNeighbours(cell).Count(n => n.IsAlive);
return (noOfLiveNeighbours < 2 || noOfLiveNeighbours > 3);
}
