//[Benchmark(Description = "from Ienumerable")]
//[Arguments(10, 4)]
//[Arguments(20, 4)]
//[Arguments(10, 4000)]
//[Arguments(20, 10000)]
//[Theory]
//[InlineData(10, 4)]
//[InlineData(20, 4)]
//[InlineData(10, 4000)]
//[InlineData(2, 10000)]
public void Area(double radius, int numSides)
{
var area = 0.5 * radius * radius * numSides * Math.Sin(2 * Math.PI / numSides);
var polygon = TestCases.MakeCircularPolygon(numSides, radius);
Assert.Equal(area, polygon.Area(), 10);
}
//[Benchmark(Description = "from Ienumerable")]
//[Arguments(10, 4)]
//[Arguments(20, 4)]
//[Arguments(10, 4000)]
//[Arguments(20, 10000)]
//[Theory]
//[InlineData(10, 4)]
//[InlineData(20, 4)]
//[InlineData(10, 4000)]
//[InlineData(2, 10000)]
public void Perimeter(double radius, int numSides)
{
var perimeter = 2 * radius * numSides * Math.Sin(Math.PI / numSides);
var polygon = TestCases.MakeCircularPolygon(numSides, radius);
Assert.Equal(perimeter, polygon.Perimeter(), 10);
}
internal static void DebugBoolean()
{
Vector2[][] coords1, coords2;
(coords1, coords2) = TestCases.MakeBumpyRings(12, 25, 0);
Presenter.ShowAndHang(coords1, coords2);
var result = TestCases.C2Poly(coords1).Intersect(TestCases.C2Poly(coords2));
Presenter.ShowAndHang(result);
}
public static void TestTriangulate()
{
//var testcase = new Polygon(TestCases.EdgeCases["hand"].Item1[0]);
var testcase = new Polygon(TestCases.MakeStarryCircularPolygon(13, 10, 7));
//testcase.Transform(Matrix3x3.CreateRotation(Math.PI));
Presenter.ShowAndHang(testcase);
var triangles = testcase.TriangulateToCoordinates();
Presenter.ShowAndHang(triangles);
}
internal static void TestRemoveSelfIntersect()
{
for (int i = 0; i < 20; i++)
{
Console.WriteLine(i);
//var coords = MakeWavyCircularPolygon(rand(500), rand(30), rand(300), rand(15.0)).ToList();
var coords = TestCases.MakeRandomComplexPolygon(100, 30).ToList();
Presenter.ShowAndHang(coords);
var polygon = new Polygon(coords);
var polygons = polygon.RemoveSelfIntersections(ResultType.BothPermitted);
Presenter.ShowAndHang(polygons);
//Presenter.ShowAndHang(polygons.Path);
//Presenter.ShowAndHang(new[] { coords }, new[] { polygon.Path });
}
}
private static void Run()
{
#region Polygon Functions
var poly1 = new Polygon(TestCases.MakeCircularPolygon(4, 4));
double area = poly1.Area;
var poly2 = new Polygon(TestCases.MakeCircularPolygon(3, 3));
poly1.AddInnerPolygon(new Polygon(TestCases.MakeCircularPolygon(3, 3)));
poly1.BoundingRectangle();
poly1.ConvertTo3DLocations(Vector3.UnitX, 1.0);
poly1.ConvexHull2D();
poly1.ConvertTo3DLocations(Vector3.UnitX, 1.0);
var tessFaces = poly1.ExtrusionFacesFrom2DPolygons(Vector3.UnitX, 1.0, 4.3);
poly1.GetPolygonInteraction(poly2);
bool isItTrueThat = poly1.IsCircular(out var minCircle);
isItTrueThat = poly1.IsConvex();
isItTrueThat = poly1.IsPositive;
var poly3 = new Polygon(TestCases.MakeCircularPolygon(5, 5));
var intersections = poly1.GetPolygonInteraction(poly2);
PolygonEdge[] lines = poly1.Edges;
var extrema = poly1.MaxX;
extrema = poly1.MaxY;
extrema = poly1.MinX;
extrema = poly1.MinY;
List <Vertex2D> points = poly1.Vertices;
poly1.Reverse();
#endregion
List <Vector2> a = poly1.Path;
#region IEnumerable<Vector2>
a.Area();
a.BoundingRectangle();
a.ConvertTo3DLocations(Vector3.UnitX, 1.0);
a.ConvexHull2D();
var b = TestCases.MakeCircularPolygon(5, 5);
//a.Difference(b);
var length = a.GetLengthAndExtremePoints(new Vector2(1, 1), out List <Vector2> bottomPoints,
out List <Vector2> topPoints);
//a.Intersection(b);
a.IsRectangular(out var dimensions);
a.MinimumCircle();
//a.OffsetMiter(5.0);
//a.OffsetRound(5.0);
//a.OffsetSquare(5.0);
a.Perimeter();
a.Simplify();
a.Simplify(10);
//a.Union(b);
//a.Xor(b);
#endregion
#region IEnumerable<IEnumerable<Vector2>>
var c = (IEnumerable <IEnumerable <Vector2> >)(new[] { TestCases.MakeCircularPolygon(4, 4) });
var d = (IEnumerable <IEnumerable <Vector2> >)(new[] { TestCases.MakeCircularPolygon(5, 5) });
c.Area();
c.Create2DMedialAxis();
//c.Difference(d);
//c.Intersection(d);
//c.OffsetMiter(5.0);
//c.OffsetRound(5.0);
//c.OffsetSquare(5.0);
c.Perimeter();
c.ExtrusionFacesFrom2DPolygons(Vector3.UnitX, 1.0, 4.0);
c.Simplify();
c.Simplify(10);
c.SliceAtLine(Vector2.UnitX, 1.0, out var negativeSidePolys, out var positiveSidePolys);
//c.Triangulate(out var groupOfLoops, out var isPositive);
//c.Union(b);
//c.Xor(b);
#endregion
}