//Butt valley
public Brep[] ValleyButt(Point3d p2, Vector3d v12, Vector3d v23, double maxLength, int orientation)
{
Brep[] output = new Brep[2];
output[0] = new Brep();
output[1] = new Brep();
Vector3d vv = Vector3d.CrossProduct(v12, v23);
if (vv.Z * orientation > 0)
{
Vector3d perp12 = Vector3d.CrossProduct(v12, Vector3d.ZAxis * orientation);
perp12.Unitize();
Vector3d move12 = perp12 + Vector3d.ZAxis;
move12 *= maxLength;
Vector3d perp23 = Vector3d.CrossProduct(v23, Vector3d.ZAxis * orientation);
perp23.Unitize();
Vector3d move23 = perp23 + Vector3d.ZAxis;
move23 *= maxLength;
Line l12 = new Line(p2 + move12, v12);
Line l23 = new Line(p2 + move23, v23);
Point3d pmid = p2 + (move23 + move12) / 2;
double a, b;
if (Rhino.Geometry.Intersect.Intersection.LineLine(l12, l23, out a, out b, 0.01, false))
{
pmid = l12.PointAt(a);
}
var sweep = new Rhino.Geometry.SweepTwoRail();
sweep.AngleToleranceRadians = RhinoDoc.ActiveDoc.ModelAngleToleranceRadians;
sweep.ClosedSweep = false;
sweep.SweepTolerance = RhinoDoc.ActiveDoc.ModelAbsoluteTolerance;
Brep[] sideBreps = sweep.PerformSweep(new LineCurve(p2 + move12, p2), new LineCurve(pmid, p2), new LineCurve(p2 + move12, pmid));
if (sideBreps.Length > 0)
{
output[0] = sideBreps[0];
}
sideBreps = sweep.PerformSweep(new LineCurve(pmid, p2), new LineCurve(p2 + move23, p2), new LineCurve(pmid, p2 + move23));
if (sideBreps.Length > 0)
{
output[1] = sideBreps[0];
}
}
return(output);
}
//Square Valley
public Brep ValleySquare(Point3d p2, Vector3d v12, Vector3d v23, double maxLength, int orientation)
{
Brep output = new Brep();
Vector3d vv = Vector3d.CrossProduct(v12, v23);
if (vv.Z * orientation > 0)
{
Vector3d perp12 = Vector3d.CrossProduct(v12, Vector3d.ZAxis * orientation);
perp12.Unitize();
Vector3d move12 = perp12 + Vector3d.ZAxis;
move12 *= maxLength;
Vector3d perp23 = Vector3d.CrossProduct(v23, Vector3d.ZAxis * orientation);
perp23.Unitize();
Vector3d move23 = perp23 + Vector3d.ZAxis;
move23 *= maxLength;
var sweep = new Rhino.Geometry.SweepTwoRail();
sweep.AngleToleranceRadians = RhinoDoc.ActiveDoc.ModelAngleToleranceRadians;
sweep.ClosedSweep = false;
sweep.SweepTolerance = RhinoDoc.ActiveDoc.ModelAbsoluteTolerance;
Brep[] sideBreps = sweep.PerformSweep(new LineCurve(p2 + move12, p2), new LineCurve(p2 + move23, p2), new LineCurve(p2 + move12, p2 + move23));
if (sideBreps.Length > 0)
{
output = sideBreps[0];
}
}
return(output);
}