/// <summary> /// /// </summary> /// <param name="cubicBezier"></param> /// <param name="v"></param> /// <param name="threshold"></param> /// <param name="dx"></param> /// <param name="dy"></param> /// <returns></returns> public static BaseShape HitTestCubicBezier(XCubicBezier cubicBezier, Vector2 v, double threshold, double dx, double dy) { if (RectangleBounds.GetPointBounds(cubicBezier.Point1, threshold, dx, dy).Contains(v)) { return(cubicBezier.Point1); } if (RectangleBounds.GetPointBounds(cubicBezier.Point2, threshold, dx, dy).Contains(v)) { return(cubicBezier.Point2); } if (RectangleBounds.GetPointBounds(cubicBezier.Point3, threshold, dx, dy).Contains(v)) { return(cubicBezier.Point3); } if (RectangleBounds.GetPointBounds(cubicBezier.Point4, threshold, dx, dy).Contains(v)) { return(cubicBezier.Point4); } if (ConvexHullBounds.Contains(cubicBezier.GetPoints().ToImmutableArray(), v, dx, dy)) { return(cubicBezier); } return(null); }
/// <summary> /// /// </summary> /// <param name="quadraticBezier"></param> /// <param name="selection"></param> /// <param name="selected"></param> /// <param name="dx"></param> /// <param name="dy"></param> /// <returns></returns> public static bool HitTestQadraticBezier(XQuadraticBezier quadraticBezier, Vector2[] selection, ISet <BaseShape> selected, double dx, double dy) { var points = quadraticBezier.GetPoints().ToImmutableArray(); if (ConvexHullBounds.Overlap(selection, points, dx, dy)) { if (selected != null) { selected.Add(quadraticBezier); return(false); } else { return(true); } } return(false); }
/// <summary> /// /// </summary> /// <param name="path"></param> /// <param name="selection"></param> /// <param name="selected"></param> /// <param name="dx"></param> /// <param name="dy"></param> /// <returns></returns> public static bool HitTestPath(XPath path, Vector2[] selection, ISet <BaseShape> selected, double dx, double dy) { if (path.Geometry != null) { var points = path.GetPoints().ToImmutableArray(); if (ConvexHullBounds.Overlap(selection, points, dx, dy)) { if (selected != null) { selected.Add(path); return(false); } else { return(true); } } } return(false); }
/// <summary> /// /// </summary> /// <param name="path"></param> /// <param name="v"></param> /// <param name="threshold"></param> /// <param name="dx"></param> /// <param name="dy"></param> /// <returns></returns> public static BaseShape HitTestPath(XPath path, Vector2 v, double threshold, double dx, double dy) { if (path.Geometry != null) { var points = path.GetPoints().ToImmutableArray(); foreach (var point in points) { if (RectangleBounds.GetPointBounds(point, threshold, dx, dy).Contains(v)) { return(point); } } if (ConvexHullBounds.Contains(points, v, dx, dy)) { return(path); } } return(null); }