internal Cube4D Iterate(Cube4D cube)
{
var minX = cube.Min(a => a.Value.X) - 1;
var minY = cube.Min(a => a.Value.Y) - 1;
var minZ = cube.Min(a => a.Value.Z) - 1;
var minW = cube.Min(a => a.Value.W) - 1;
var maxX = cube.Max(a => a.Value.X) + 1;
var maxY = cube.Max(a => a.Value.Y) + 1;
var maxZ = cube.Max(a => a.Value.Z) + 1;
var maxW = cube.Max(a => a.Value.W) + 1;
var newCube = new Cube4D();
for (var x = minX; x <= maxX; x++)
{
for (var y = minY; y <= maxY; y++)
{
for (var z = minZ; z <= maxZ; z++)
{
for (var w = minW; w <= maxW; w++)
{
var trialPoint = new Point4D(x, y, z, w);
var adjacentCount = cube.FindAdjacentCount(trialPoint);
if (cube.Any(a => a.Key == trialPoint.UniqueIdentifier))
{
if (adjacentCount == 2 || adjacentCount == 3)
{
newCube.Add(trialPoint.UniqueIdentifier, trialPoint);
}
}
else
{
if (adjacentCount == 3)
{
newCube.Add(trialPoint.UniqueIdentifier, trialPoint);
}
}
}
}
}
}
return(newCube);
}
protected Cube4D Construct4DCubeFromInput(string[] input)
{
var cube = new Cube4D();
for (var y = 0; y < input.Length; y++)
{
var line = input[y];
for (var x = 0; x < line.Length; x++)
{
if (line[x] == '#')
{
var point = new Point4D(x, y, 0, 0);
cube.Add(point.UniqueIdentifier, point);
}
}
}
return(cube);
}