/// <summary>
///
/// </summary>
/// <param name="arc"></param>
/// <param name="v"></param>
/// <param name="threshold"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <returns></returns>
public static BaseShape HitTestArc(XArc arc, Vector2 v, double threshold, double dx, double dy)
{
if (RectangleBounds.GetPointBounds(arc.Point1, threshold, dx, dy).Contains(v))
{
return(arc.Point1);
}
if (RectangleBounds.GetPointBounds(arc.Point2, threshold, dx, dy).Contains(v))
{
return(arc.Point2);
}
if (RectangleBounds.GetPointBounds(arc.Point3, threshold, dx, dy).Contains(v))
{
return(arc.Point3);
}
if (RectangleBounds.GetPointBounds(arc.Point4, threshold, dx, dy).Contains(v))
{
return(arc.Point4);
}
if (RectangleBounds.GetArcBounds(arc, dx, dy).Contains(v))
{
return(arc);
}
return(null);
}
/// <summary>
///
/// </summary>
/// <param name="arc"></param>
/// <param name="rect"></param>
/// <param name="selected"></param>
/// <param name="dx"></param>
/// <param name="dy"></param>
/// <returns></returns>
public static bool HitTestArc(XArc arc, Rect2 rect, ISet <BaseShape> selected, double dx, double dy)
{
if (RectangleBounds.GetArcBounds(arc, dx, dy).IntersectsWith(rect))
{
if (selected != null)
{
selected.Add(arc);
return(false);
}
else
{
return(true);
}
}
return(false);
}
