public static void UpdateScratchZoneBox(Point p)
{
int minx, miny, maxx, maxy;
minx = Utils3D.Min(scratchZoneOrigin.X, p.X);
miny = Utils3D.Min(scratchZoneOrigin.Y, p.Y);
maxx = Utils3D.Max(scratchZoneOrigin.X, p.X);
maxy = Utils3D.Max(scratchZoneOrigin.Y, p.Y);
scratchZoneStart = new Point(minx, miny);
scratchZoneEnd = new Point(maxx, maxy);
}
/// <summary>
/// Set the selection box,
/// ensuring that the selection start represents the minimum bounds of the box
/// and the selection end represents the maximum bounds of box
/// </summary>
public static void UpdateSelectionBox(Point p)
{
int minx, miny, maxx, maxy;
minx = Utils3D.Min(selectionOrigin.X, p.X);
miny = Utils3D.Min(selectionOrigin.Y, p.Y);
maxx = Utils3D.Max(selectionOrigin.X, p.X);
maxy = Utils3D.Max(selectionOrigin.Y, p.Y);
selectionStart = new Point(minx, miny);
selectionEnd = new Point(maxx, maxy);
}