protected virtual PointD Chop(Figure target, PointD point)
{
if (target == null)
return new PointD (0, 0);
else if (target.ContainsPoint (point.X, point.Y))
return target.DisplayBox.Center;
double angle = Geometry.AngleFromPoint (DisplayBox, point);
return Geometry.EdgePointFromAngle (DisplayBox, angle);
}
protected override PointD Chop(Figure target, PointD point)
{
if (target.ContainsPoint (point.X, point.Y))
return target.DisplayBox.Center;
double angle = Geometry.AngleFromPoint (DisplayBox, point);
var p = new PointD (0.0, 0.0);
RectangleD r = target.DisplayBox;
p.X = r.Center.X + r.Width/2 * Math.Cos (angle);
p.Y = r.Center.Y + r.Height/2 * Math.Sin (angle);
return p;
}