public static Grid4D Simulate4D(Grid4D inGrid)
{
var outGrid = new Grid4D();
var((xMin, xMax), (yMin, yMax), (zMin, zMax), (wMin, wMax)) = inGrid.GetDimensions();
for (var x = xMin - 1; x <= xMax + 1; x++)
{
for (var y = yMin - 1; y <= yMax + 1; y++)
{
for (var z = zMin - 1; z <= zMax + 1; z++)
{
for (var w = wMin - 1; w <= wMax + 1; w++)
{
var neighborsCount = GetNeighborsCount4D(inGrid, x, y, z, w);
if (inGrid.IsCubeActive(x, y, z, w))
{
if (neighborsCount == 2 || neighborsCount == 3)
{
outGrid.SetCubeActive(x, y, z, w);
}
}
else
{
if (neighborsCount == 3)
{
outGrid.SetCubeActive(x, y, z, w);
}
}
}
}
}
}
return(outGrid);
}
public static int GetNeighborsCount4D(Grid4D grid, int px, int py, int pz, int pw)
{
var count = 0;
for (var x = px - 1; x <= px + 1; x++)
{
for (var y = py - 1; y <= py + 1; y++)
{
for (var z = pz - 1; z <= pz + 1; z++)
{
for (var w = pw - 1; w <= pw + 1; w++)
{
if (x == px && y == py && z == pz && w == pw)
{
continue;
}
if (grid.IsCubeActive(x, y, z, w))
{
count += 1;
}
}
}
}
}
return(count);
}
public static int Part2(Grid4D grid, int cyclesCount)
{
for (var i = 0; i < cyclesCount; i++)
{
grid = Simulate4D(grid);
}
return(grid.ActiveCubesCount);
}
public CubeGrid4D(Grid4D <CubeState> other, Location4D dimensions, Location4D offset)
: base(other, dimensions, offset)
{
}
public CubeGrid4D(Grid4D <CubeState> other)
: base(other, other.Dimensions, Location4D.Zero)
{
}
