void DebugHexMath()
{
Vector3Int origin = new Vector3Int(0, 0, 0);
Vector3Int target = new Vector3Int(2, 2, 0);
Vector3Int targetCube = new Vector3Int(1, -3, 2);
// Distance testing: Oddr then Cube
Assert.AreEqual(HexMath.OddrDistance(origin, origin), 0);
Assert.AreEqual(HexMath.OddrDistance(origin, origin + HexMath.CubeDirection(0)), 1);
Assert.AreEqual(HexMath.OddrDistance(origin, origin + HexMath.CubeDirection(0) * 2), 2);
Assert.AreEqual(HexMath.OddrDistance(origin, target), 3);
Assert.AreEqual(HexMath.OddrDistance(origin, target + HexMath.CubeDirection(0)), 2);
Assert.AreEqual(HexMath.OddrDistance(origin, new Vector3Int(-6, -6, 0)), 9);
Assert.AreEqual(HexMath.CubeDistance(origin, origin), 0);
Assert.AreEqual(HexMath.CubeDistance(origin, origin + HexMath.CubeDirection(0) * 2), 2);
Assert.AreEqual(HexMath.CubeDistance(origin, new Vector3Int(0, 0, 0)), 0);
Assert.AreEqual(HexMath.CubeDistance(origin, targetCube), 3);
Assert.AreEqual(HexMath.CubeDistance(origin, target + HexMath.CubeDirection(0)), 2);
Assert.AreEqual(HexMath.CubeDistance(origin, new Vector3Int(-1, 4, -3)), 4);
// Cube - Hex conversion testing.
Vector3Int Hex = new Vector3Int(1, 1, 0);
Vector3Int Cube = new Vector3Int(1, -2, 1);
Assert.AreEqual(Hex, HexMath.CubeToOddr(Cube));
Assert.AreEqual(Cube, HexMath.OddrToCube(Hex));
Hex = new Vector3Int(-2, -2, 0);
Cube = new Vector3Int(-1, 3, -2);
Assert.AreEqual(Hex, HexMath.CubeToOddr(Cube));
Assert.AreEqual(Cube, HexMath.OddrToCube(Hex));
Hex = new Vector3Int(1, -2, 0);
Cube = new Vector3Int(2, 0, -2);
Assert.AreEqual(Hex, HexMath.CubeToOddr(Cube));
Assert.AreEqual(Cube, HexMath.OddrToCube(Hex));
Hex = new Vector3Int(-2, 2, 0);
Cube = new Vector3Int(-3, 1, 2);
Assert.AreEqual(Hex, HexMath.CubeToOddr(Cube));
Assert.AreEqual(Cube, HexMath.OddrToCube(Hex));
/* Neighbor Testing: Testing around Origin: (0, 0, 0).
* - Radius 0. It's a marsh, so a neighbor test of radius 0 should simply return one marsh.
* - Radius 1. Should add 6 soil tiles and count equal 7
* - Radius 2. Should add 12 barren tiles and count equal 19.
* No tiles should be water for this setup.
*/
NeighborTestHelper(0);
NeighborTestHelper(1);
NeighborTestHelper(2);
NeighborTestHelper(3);
}