private static double DistanceToEllipse(clsPoint pt, RotatedRect rect)
{
var c = rect.Center;
var a = rect.Angle * PI / 180f;
pt.Move(-c.X, -c.Y);
pt.Rotate(-a);
var pt2 = NearestPointOnEllipse(pt, rect.Size.Width / 2, rect.Size.Height / 2);
return(pt.Dist(pt2));
}
public static clsPoint ProjectPoint(clsPoint p1, clsLine l1)
{
double d = 0;
clsPoint pt1 = new clsPoint();
clsLine l2 = new clsLine();
d = Dist(p1, l1);
pt1 = p1.Copy();
l2 = (clsLine)l1.Normal();
l2.Normalise();
l2.Scale(-d);
pt1.Move(l2.P2.X, l2.P2.Y);
return(pt1);
}
public void Move(double x, double y)
{
myCentre.Move(x, y);
}