static public void EqualOffsetcoord(string name, OsCoord a, OsCoord b)
{
if (!(a.col == b.col && a.row == b.row))
{
Complain(name);
}
}
static public HexTile RoffsetToCube(int offset, OsCoord h)
{
int q = h.col - (int)((h.row + offset * (h.row & 1)) / 2);
int r = h.row;
int s = -q - r;
return(new HexTile(q, r, s));
}
static public void TestOffsetRoundtrip()
{
HexTile a = new HexTile(3, 4, -7);
OsCoord b = new OsCoord(1, -3);
EqualHex("conversion_roundtrip even-r", a, OsCoord.RoffsetToCube(OsCoord.EVEN, OsCoord.RoffsetFromCube(OsCoord.EVEN, a)));
EqualOffsetcoord("conversion_roundtrip even-r", b, OsCoord.RoffsetFromCube(OsCoord.EVEN, OsCoord.RoffsetToCube(OsCoord.EVEN, b)));
EqualHex("conversion_roundtrip odd-r", a, OsCoord.RoffsetToCube(OsCoord.ODD, OsCoord.RoffsetFromCube(OsCoord.ODD, a)));
EqualOffsetcoord("conversion_roundtrip odd-r", b, OsCoord.RoffsetFromCube(OsCoord.ODD, OsCoord.RoffsetToCube(OsCoord.ODD, b)));
}
static public void TestOffsetToCube()
{
EqualHex("offset_to_cube odd-r", new HexTile(1, 2, -3), OsCoord.RoffsetToCube(OsCoord.ODD, new OsCoord(1, 2)));
}
static public void TestOffsetFromCube()
{
EqualOffsetcoord("offset_from_cube odd-r", new OsCoord(1, 2), OsCoord.RoffsetFromCube(OsCoord.ODD, new HexTile(1, 2, -3)));
}
