public void Should_return_the_right_direction()
{
HexCoords NECoord = new HexCoords(1, -1);
HexCoords ECoord = new HexCoords(1, 0);
HexCoords SECoord = new HexCoords(0, 1);
HexCoords SWCoord = new HexCoords(-1, 1);
HexCoords WCoord = new HexCoords(-1, 0);
HexCoords NWCoord = new HexCoords(0, -1);
HexCoords coords = HexCoords.Zero;
var neighbor = coords.Direction(HexDirection.NE);
Assert.AreEqual(NECoord, neighbor);
neighbor = coords.Direction(HexDirection.E);
Assert.AreEqual(ECoord, neighbor);
neighbor = coords.Direction(HexDirection.SE);
Assert.AreEqual(SECoord, neighbor);
neighbor = coords.Direction(HexDirection.SW);
Assert.AreEqual(SWCoord, neighbor);
neighbor = coords.Direction(HexDirection.W);
Assert.AreEqual(WCoord, neighbor);
neighbor = coords.Direction(HexDirection.NW);
Assert.AreEqual(NWCoord, neighbor);
}
int CalculateSteps(string input)
{
HexCoords[] dirs = input.Split(',').Select(
s => HexCoords.Direction(s)).ToArray();
HexCoords coords = new HexCoords();
int max = 0;
foreach (HexCoords dir in dirs)
{
coords.x += dir.x;
coords.y += dir.y;
coords.z += dir.z;
max = Math.Max(max, coords.Distance());
}
Console.Write("Max: {0}", max);
return(coords.Distance());
}