[TestCase(0, 0, 50, "51, 0", false)] // Point close away from border public void ContainsPoint(double xs, double ys, double radius, String point, bool expected) { var v1 = Vector2.Parse(point); var c1 = new Circle2(xs, ys, radius); Assert.True(c1.Contains(v1) == expected); }
private void OnDrawGizmos() { Vector2 point = Point.position; Circle2 circle = CreateCircle2(Circle); bool cont = circle.Contains(point); FiguresColor(); DrawCircle(ref circle); if (cont) { ResultsColor(); } DrawPoint(point); LogInfo(cont); }
private static Circle2 ComputeMaximumInscribedCircle(PointCloud2 points, AutomationLibrary.Mathematics.Geometry.Voronoi.VoronoiDiagram voronoi, Circle2 mcc) { var candidateCenters = new List <Vector2>(); candidateCenters.AddRange(voronoi.Vertices.Keys); // TODO: add intersections between voronoi edges and convex hull of points Circle2 incumbent = new Circle2(points.First(), 0); foreach (var candidate in candidateCenters) { foreach (var neighbor in voronoi.Vertices[candidate]) { var candidateRadius = Vector2.DistanceBetweenPoints(candidate, neighbor); if (candidateRadius > incumbent.Radius && mcc.Contains(candidate)) { incumbent = new Circle2(candidate, candidateRadius); } } } return(incumbent); }
private static void GetExternalPart(LineSegment3 segment, BuildingPrimitive primitive, List <LineSegment3> results) { var invTransform = primitive.Transform.Invert(); var transformedSeg = new LineSegment3(segment.Point1 * invTransform, segment.Point2 * invTransform); var seg = new LineSegment2(transformedSeg.Point1.Xz, transformedSeg.Point2.Xz); if (primitive.Type == BuildingPrimitiveType.Rectangle) { var rect = new AaRectangle2(Vector2.Zero, primitive.Scale.X, primitive.Scale.Z); var conains1 = rect.ContainsPoint(seg.Point1); var conains2 = rect.ContainsPoint(seg.Point2); if (conains1 && conains2) { return; } if (!conains1 && !conains2) { var p = Vector2.Zero; int c = 0; foreach (var rectSegment in rect.GetSegments()) { var rsi = rectSegment.Intersect(seg); if (rsi.HasValue) { p += rsi.Value; c++; } } if (c > 0) { var t = ((p / c) - seg.Point1).Length() / (seg.Point2 - seg.Point1).Length(); var m = segment.Point1 + (segment.Point2 - segment.Point1) * t; GetExternalPart(new LineSegment3(segment.Point1, m), primitive, results); GetExternalPart(new LineSegment3(m, segment.Point2), primitive, results); return; } results.Add(segment); return; } var swap = conains1; if (swap) { CodingHelper.Swap(ref seg.Point1, ref seg.Point2); } var inter = seg.Intersect(new LineSegment2( new Vector2(-primitive.Scale.X, -primitive.Scale.Z), new Vector2(-primitive.Scale.X, primitive.Scale.Z))); if (inter.HasValue) { var rs1 = To3(seg.Point1, inter.Value, primitive.Transform, swap); results.Add(rs1); return; } inter = seg.Intersect(new LineSegment2( new Vector2(primitive.Scale.X, -primitive.Scale.Z), new Vector2(primitive.Scale.X, primitive.Scale.Z))); if (inter.HasValue) { var rs1 = To3(seg.Point1, inter.Value, primitive.Transform, swap); results.Add(rs1); return; } inter = seg.Intersect(new LineSegment2( new Vector2(-primitive.Scale.X, primitive.Scale.Z), new Vector2(primitive.Scale.X, primitive.Scale.Z))); if (inter.HasValue) { var rs1 = To3(seg.Point1, inter.Value, primitive.Transform, swap); results.Add(rs1); return; } inter = seg.Intersect(new LineSegment2( new Vector2(-primitive.Scale.X, -primitive.Scale.Z), new Vector2(primitive.Scale.X, -primitive.Scale.Z))); if (inter.HasValue) { var rs1 = To3(seg.Point1, inter.Value, primitive.Transform, swap); results.Add(rs1); return; } var rs2 = segment; results.Add(rs2); return; } else { var circle = new Circle2(Vector2.Zero, primitive.Scale.X); var conains1 = circle.Contains(seg.Point1); var conains2 = circle.Contains(seg.Point2); if (conains1 && conains2) { return; } if (!conains1 && !conains2) { var rs1 = segment; results.Add(rs1); return; } var swap = conains1; if (swap) { CodingHelper.Swap(ref seg.Point1, ref seg.Point2); } var dpp = seg.Point2 - seg.Point1; var dpc = seg.Point1; var a = dpp.LengthSquared(); var b = Vector2.Dot(dpp, dpc); var c = dpc.LengthSquared() - circle.Radius.Sq(); var discr = b * b - a * c; if (discr < 0) { results.Add(segment); return; } if (discr < MathHelper.Eps5) { results.Add(segment); return; //var l = -b / a; //if (0 <= l && l <= 1) } { var sqrdscr = MathHelper.Sqrt(discr); var l1 = (-b + sqrdscr) / a; var l2 = (-b - sqrdscr) / a; if (0 <= l1 && l1 <= 1) { var rs1 = To3(seg.Point1, Vector2.Lerp(seg.Point1, seg.Point2, l1), primitive.Transform, swap); results.Add(rs1); } if (0 <= l2 && l2 <= 1) { var rs1 = To3(seg.Point1, Vector2.Lerp(seg.Point1, seg.Point2, l2), primitive.Transform, swap); results.Add(rs1); } } } }