/// <summary>Calculates a (canonical X or Y) grid-coordinate for a point, from the supplied 'picking' matrix.</summary>
/// <param name="matrix">The 'picking-matrix' matrix</param>
/// <param name="point">The screen point identifying the hex to be 'picked'.</param>
/// <returns>A (canonical X or Y) grid coordinate of the 'picked' hex.</returns>
static int GetCoordinate(HexMatrix matrix, HexPointF point)
{
var points = new HexPointF[] { point };
matrix.TransformPoints(points);
return((int)Math.Floor((points[0].X + points[0].Y + 2F) / 3F));
}
/// <summary>Calculates a (canonical X or Y) grid-coordinate for a point, from the supplied 'picking' matrix.</summary>
/// <param name="this"></param>
/// <param name="matrix">The 'picking-matrix' matrix</param>
/// <param name="point">The screen point identifying the hex to be 'picked'.</param>
/// <returns>A (canonical X or Y) grid coordinate of the 'picked' hex.</returns>
public static int GetCoordinate(this IHexgrid @this, HexMatrix matrix, HexPoint point)
{
var points = new HexPoint[] { point };
matrix.TransformPoints(points);
return((int)Math.Floor((points[0].X + points[0].Y + 2F) / 3F));
}
