protected internal override xyz Cross(LineType ViewLine)
{
double vz = ViewLine.Direction.z;
if (ViewLine.Direction.z == 0)
{
return(new xyz(0, 0, 0));
}
xyzArray A = Curve.ToxyzArray();
double LineLam = -1;
double di = A.Distance(ViewLine, 2 * Snapdist, out Lam, out LineLam);
if (di <= 2 * Snapdist)
{
Lam /= Curve.Resolution;
return(Curve.Value(Lam));
}
else
{
Lam = -1;
}
xyz Result = new xyz(0, 0, 0);
new Plane(new xyz(0, 0, 0), new xyz(0, 0, 1)).Cross(ViewLine, out LineLam, out Result);
return(Result);
}