public HexCoords PointToHexCoords(Vector2 fieldCoords)
{
var q = fieldCoords.X * 2 / 3 / _tileRadius;
var r = (-fieldCoords.X / 3 + HexUtils.SQRT3 / 3 * fieldCoords.Y) / _tileRadius;
var x = q;
var y = -q - r;
var z = r;
var rx = Math.Round(x);
var ry = Math.Round(y);
var rz = Math.Round(z);
var xDiff = Math.Abs(rx - x);
var yDiff = Math.Abs(ry - y);
var zDiff = Math.Abs(rz - z);
if (xDiff > yDiff && xDiff > zDiff)
{
rx = -ry - rz;
}
else if (yDiff > zDiff)
{
ry = -rx - rz;
}
else
{
rz = -rx - ry;
}
return(HexCoords.CreateFromCube((int)rx, (int)ry, (int)rz));
}