/// <summary> /// /// </summary> /// <param name="ellipse"></param> /// <param name="rect"></param> /// <param name="selected"></param> /// <param name="dx"></param> /// <param name="dy"></param> /// <returns></returns> public static bool HitTestEllipse(XEllipse ellipse, Rect2 rect, ISet <BaseShape> selected, double dx, double dy) { if (RectangleBounds.GetEllipseBounds(ellipse, dx, dy).IntersectsWith(rect)) { if (selected != null) { selected.Add(ellipse); return(false); } else { return(true); } } return(false); }
/// <summary> /// /// </summary> /// <param name="ellipse"></param> /// <param name="v"></param> /// <param name="threshold"></param> /// <param name="dx"></param> /// <param name="dy"></param> /// <returns></returns> public static BaseShape HitTestEllipse(XEllipse ellipse, Vector2 v, double threshold, double dx, double dy) { if (RectangleBounds.GetPointBounds(ellipse.TopLeft, threshold, dx, dy).Contains(v)) { return(ellipse.TopLeft); } if (RectangleBounds.GetPointBounds(ellipse.BottomRight, threshold, dx, dy).Contains(v)) { return(ellipse.BottomRight); } if (RectangleBounds.GetEllipseBounds(ellipse, dx, dy).Contains(v)) { return(ellipse); } return(null); }