/// <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); }