internal static Polygon C2Poly(IEnumerable <IEnumerable <Vector2> > coordinates)
{
var result = new Polygon(coordinates.First());
if (!result.IsPositive)
{
result.Reverse();
}
foreach (var inner in coordinates.Skip(1))
{
//inner.Reverse();
result.AddInnerPolygon(new Polygon(inner));
}
return(result);
}
internal static void DebugEdgeCases(string name)
{
var coords1 = TestCases.EdgeCases[name].Item1;
var polygon1 = new Polygon(coords1[0]);
for (int i = 1; i < coords1.Length; i++)
{
polygon1.AddInnerPolygon(new Polygon(coords1[i]));
}
var coords2 = TestCases.EdgeCases[name].Item2;
var polygon2 = new Polygon(coords2[0]);
for (int i = 1; i < coords2.Length; i++)
{
polygon2.AddInnerPolygon(new Polygon(coords2[i]));
}
// polygon1.RemoveSelfIntersections();
//Presenter.ShowAndHang(polygon1);
DebugBooleanOperations(polygon1, polygon2);
//Console.ReadKey();
}
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
}