/// <summary>Canonical coordinates for a selected hex for a given AutoScroll position.</summary>
/// <param name="point">Screen point specifying hex to be identified.</param>
/// <param name="autoScroll">AutoScrollPosition for game-display Panel.</param>
/// <returns>Canonical coordinates for a hex specified by a screen point.</returns>
/// <remarks>See "file://Documentation/HexGridAlgorithm.mht"</remarks>
protected ICoordsCanon GetHexCoords(Point point, Size autoScroll)
{
if (Host == null)
{
return(HexCoords.EmptyCanon);
}
autoScroll = TransposeSize(autoScroll);
// Adjust for origin not as assumed by GetCoordinate().
var grid = new Size((int)(GridSize.Width * 2F / 3F), (int)GridSize.Height);
var margin = new Size((int)(MapMargin.Width * MapScale),
(int)(MapMargin.Height * MapScale));
point -= autoScroll + margin + grid;
return(HexCoords.NewCanonCoords(GetCoordinate(matrixX, point),
GetCoordinate(matrixY, point)));
}
public static ICoordsUser operator +(ICoordsUser coords, IntVector2D vector)
{
return(HexCoords.NewCanonCoords(coords.Vector.X + vector.X, coords.Vector.Y + vector.Y).User);
}
