Dictionary <Coord, bool> RunSimulation(Dictionary <Coord, bool> cubes, int dimensions)
{
var result = new Dictionary <Coord, bool>(cubes);
var minW = cubes.Keys.Min(c => c.W) - 1;
var maxW = cubes.Keys.Max(c => c.W) + 1;
var minZ = cubes.Keys.Min(c => c.Z) - 1;
var maxZ = cubes.Keys.Max(c => c.Z) + 1;
var minY = cubes.Keys.Min(c => c.Y) - 1;
var maxY = cubes.Keys.Max(c => c.Y) + 1;
var minX = cubes.Keys.Min(c => c.X) - 1;
var maxX = cubes.Keys.Max(c => c.X) + 1;
if (dimensions == 3)
{
minW = maxW = 0;
}
for (var w = minW; w <= maxW; w++)
{
for (var z = minZ; z <= maxZ; z++)
{
for (var y = minY; y <= maxY; y++)
{
for (var x = minX; x <= maxX; x++)
{
var currentCube = new Coord(x, y, z, w);
var isActive = cubes.TryGetValue(currentCube, out var active) && active;
var activeNeighbours = currentCube.Adjacent(dimensions).Count(c => cubes.TryGetValue(c, out var ac) && ac);
if (isActive && activeNeighbours != 2 && activeNeighbours != 3)
{
result[currentCube] = false;
continue;
}
if (!isActive && activeNeighbours == 3)
{
result[currentCube] = true;
}
}
}
}
}
return(result);
}
