// Steps forward the specified amount of generations.
public void Step(uint steps = 1)
{
_stopwatch.Restart();
for (uint step = 0; step < steps; step++)
{
Generation++;
// Variable to act as a snapshot of the current state while we make changes.
var oldState = new CellCollection(this);
// Variable to hold the cells that we will check.
var checkCells = new List <Cell>(oldState);
// Adds all dead cells neighboring alive cells to the cells that we will check.
checkCells.AddRange(
from cell in oldState
from neighbor in GetNeighbors(cell.X, cell.Y)
where !checkCells.Contains(neighbor)
select neighbor);
foreach (var cell in checkCells)
{
byte neighbors = oldState.GetAliveNeighborsCount(cell.X, cell.Y);
/*
* Checks if the current cell is alive or not.
*
* If so, if the cell has less than 2, or more than 3 alive neighbors,
* the cell will be killed.
*
* If not, if the cell has 3 alive neighbors, the cell will be brought to life.
*/
if (oldState.Contains(cell.X, cell.Y))
{
if (neighbors < 2 || neighbors > 3)
{
Remove(cell);
}
}
else
{
if (neighbors == 3)
{
Add(cell);
}
}
}
}
_stopwatch.Stop();
}