// for a forward edge index is the source vertex; for a backward edge index is the target vertex
public Edge(IPolygon3 polygon, IClosedPolyline3 contour, int edgeIdx, Direction direction)
{
_polygon = polygon;
_contour = contour;
_edgeIdx = edgeIdx;
_direction = direction;
}
public static void ExpectClosedPolylinesAreEqual(IClosedPolyline3 line1, IClosedPolyline3 line2, double tolerance)
{
Assert.That(line1.Vertices.Count, Is.EqualTo(line2.Vertices.Count));
foreach (var i in Enumerable.Range(0, line2.Vertices.Count))
{
if (Vector3.Distance(line1.Vertices[i], line2.Vertices[0]) < tolerance)
{
foreach (int j in Enumerable.Range(0, line1.Vertices.Count))
{
Assert.That(Vector3.Distance(line1.Vertices[j], line2.Vertices.ElementAtCyclic(j - i)), Is.LessThan(tolerance));
}
return;
}
}
Assert.Fail();
}
public static IClosedPolyline3 AsReverse(this IClosedPolyline3 @this)
{
return(new ClosedPolyline3(@this.Vertices.AsReverse()));
}
public Vertex(IPolygon3 polygon, IClosedPolyline3 contour, int vertexIdx)
{
_polygon = polygon;
_contour = contour;
_vertexIdx = vertexIdx;
}
