public static XYZ ToXYZ(this PtArray ptArray, int index)
{
return(new XYZ {
X = ptArray.Xyz[index],
Y = ptArray.Xyz[index + 1],
Z = ptArray.Xyz[index + 2]
});
}
// Append vertices and return shift
private void AppendVertices(Representation r, IfcSceneExportSummary summary, IEnumerable <XbimPoint3D> points)
{
PtArray ptArray = new PtArray();
foreach (var p in points)
{
// Append to vertices and apply scale
p.AppendTo(ptArray.Xyz, summary.Scale);
}
r.Points.Add(ptArray);
}
private void TestRunWith(PtArray ptArray, FaceBody body, FacetStarVisitor.InvestigationStrategy strategy)
{
var facetStar = new FacetStars(body, new PtOffsetArray(ptArray, SHIFT));
Assert.AreEqual(8, facetStar.Vertices.Count(), "8 vertices");
Assert.AreEqual(8, facetStar.Count, "8 stars");
// Use no visitor's index cache
var visitor = new FacetStarVisitor(facetStar, (i) => false, strategy);
var faces = new List <MeshPtOffsetArray>();
var facets = new HashSet <Facet>();
foreach (Facet f in visitor)
{
switch (visitor.Strategy)
{
case FacetStarVisitor.InvestigationStrategy.SameFaceFirst:
if (!f.Meshed.Equals(faces.LastOrDefault()))
{
foreach (var known in faces.Take(faces.Count - 1))
{
Assert.AreNotEqual(known, f.Meshed, "Face shouldn't be processed before");
}
faces.Add(f.Meshed);
Assert.IsTrue(visitor.IsNewFace);
}
else
{
Assert.IsFalse(visitor.IsNewFace);
}
break;
}
facets.Add(f);
Assert.AreEqual(SHIFT, f.Shift);
Assert.IsTrue(f.IsTriangle(), "Is Triangle");
Assert.IsTrue(f.IsValid(), "Is Valid");
}
Assert.IsFalse(visitor.HasNextCandidate, "All facets have been processed");
Assert.AreEqual(12, facets.Count, "12 facets");
}
public PtOffsetArray(PtArray ptArray, uint offset = 0)
{
Offset = offset;
Points = ptArray;
}
protected virtual void DoVisit(PtArray node) => VisitChildren(node);