public TopoTriangle BuildTriangle(TopoModel model)
{
TopoVertex sharedPoint = null;
TopoVertex p1 = null, p2 = null;
if (edgeA.v1 == edgeB.v1)
{
sharedPoint = edgeA.v1;
p1 = edgeA.v2;
p2 = edgeB.v2;
}
else if (edgeA.v1 == edgeB.v2)
{
sharedPoint = edgeA.v1;
p1 = edgeA.v2;
p2 = edgeB.v1;
}
else if (edgeA.v2 == edgeB.v1)
{
sharedPoint = edgeA.v1;
p1 = edgeA.v1;
p2 = edgeB.v2;
}
else if (edgeA.v2 == edgeB.v2)
{
sharedPoint = edgeA.v2;
p1 = edgeA.v1;
p2 = edgeB.v1;
}
TopoTriangle faceA = edgeA.faces.First.Value;
TopoTriangle newTriangle = new TopoTriangle(model, sharedPoint, p1, p2, 0, 0, 1);
if (newTriangle.SameNormalOrientation(faceA) == false)
{
newTriangle.FlipDirection();
}
newTriangle.RecomputeNormal();
model.AddTriangle(newTriangle);
return(newTriangle);
}
