// Advances board.
public override Life Next()
{
long size = Size();
bool[,] newgrid = new bool[size, size];
for (int i = 0; i < size; i++)
{
long im = (i - 1 + size) % size;
long ip = (i + 1) % size;
for (int j = 0; j < size; j++)
{
long jm = (j - 1 + size) % size;
long jp = (j + 1) % size;
int sum = (grid[im, jm] ? 1 : 0) +
(grid[im, j] ? 1 : 0) +
(grid[im, jp] ? 1 : 0) +
(grid[i, jm] ? 1 : 0) +
(grid[i, jp] ? 1 : 0) +
(grid[ip, jm] ? 1 : 0) +
(grid[ip, j] ? 1 : 0) +
(grid[ip, jp] ? 1 : 0);
newgrid[i, j] = sum == 3 || (grid[i, j] && sum == 2);
}
}
return(GridLife.Create(newgrid));
}
static void Main(string[] args)
{
// Create grid.
const int N = 32;
bool[,] grid = new bool[N, N];
// Fill it up with something.
//GridUtils.AddGlider(grid, N / 2, N / 2);
//GridUtils.AddPentoR(grid, N / 2, N / 2);
GridUtils.FillRandom(grid, 0.2, 11235);
// Create candidates.
Life gridLife = GridLife.Create(grid);
Life nodeCropped = NodeLife.Create(grid, NodeLife.Mode.Cropped);
Life nodeTorus = NodeLife.Create(grid, NodeLife.Mode.Torus);
Life nodeOpen = NodeLife.Create(grid, NodeLife.Mode.Open);
Life nodeWarp = NodeLife.Create(grid, NodeLife.Mode.Warp);
Life nodeWarp16 = NodeLife.Create(grid, NodeLife.Mode.Warp, 16);
Life nodeWarp32 = NodeLife.Create(grid, NodeLife.Mode.Warp, 32);
Life nodeWarp60 = NodeLife.Create(grid, NodeLife.Mode.Warp, 60);
// Animate one?
//Life.Animate(gridLife, false /*pause*/);
// Some validation.
Life.Validate(gridLife, nodeTorus, 5);
Life.Validate(nodeOpen, nodeWarp16, 5);
//Life.Validate(nodeWarp, nodeWarp16, 5); // should fail when warp grid is cropped.
//Life.Validate(gridLife, nodeOpen, 5); // should fail when gridLife wraps around
// Performance.
Life[] candidates = new Life[] {
gridLife,
nodeTorus,
nodeOpen,
nodeWarp,
nodeWarp16,
nodeWarp32,
nodeWarp60
};
while (true)
{
Console.WriteLine();
for (int i = 0; i < candidates.Count(); ++i)
{
Life.Measure(ref candidates[i], 5);
}
}
}