//THIS FUNCTION IS TEMPORARY. The function generates a box or a sweep. This determined by the linearity of the curve.
public Brep MakeBrep()
{
Brep Geometri = new Brep();
double[] parameter = { 0.0, 2.2 };
Plane tempPlane = new Plane(elemLine.PointAtStart, elemLine.TangentAtStart);
Ali.rotationVectorToPoint(elemLine.PointAtStart);
Vector3d alignvector = Ali.Rotation;
//Getting rotation angle
double angle = Rhino.Geometry.Vector3d.VectorAngle(tempPlane.XAxis, alignvector, tempPlane);
tempPlane.Rotate(angle, tempPlane.Normal, tempPlane.Origin);
tempPlane.Translate(tempPlane.XAxis * Ali.OffsetY);
tempPlane.Translate(tempPlane.YAxis * Ali.OffsetZ);
Interval iz = new Interval();
Interval iy = new Interval();
Interval ix = new Interval();
double HalfWidth = rectSec.Width / 2;
double HalfHeight = rectSec.Height / 2;
iz = new Interval(-HalfHeight, HalfHeight);
iy = new Interval(-HalfWidth, HalfWidth);
ix = new Interval(0, elemLine.GetLength());
if (elemLine.IsLinear())
{
Box boxen = new Box(tempPlane, iy, iz, ix);
Geometri = boxen.ToBrep();
}
else
{
SweepOneRail tempsweep = new SweepOneRail();
Rectangle3d rect = new Rectangle3d(tempPlane, iy, iz);
rect.ToPolyline();
var sweep = tempsweep.PerformSweep(elemLine, rect.ToNurbsCurve());
Geometri = sweep[0];
}
return(Geometri);
}
public static Brep [] Sweep(this Curve centreCrv, double thickness)
{
Vector3d tan = centreCrv.TangentAtStart;
Vector3d projTan = new Vector3d(tan.X, tan.Y, 0);
Vector3d norm = Engine.Geometry.Compute.CrossProduct(projTan / projTan.Length, Vector3d.ZAxis);
Line crossSection = new Line(centreCrv.PointAtStart - norm * thickness / 2, norm * thickness);
Rhino.Geometry.SweepOneRail sweepOne = new SweepOneRail();
Brep[] b = sweepOne.PerformSweep(centreCrv, crossSection.ToNurbsCurve());
return(b);
}
/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
Curve railCurve = null;
double radius = 0;
int segments = 0;
double angle = 0;
if (!DA.GetData(0, ref railCurve))
{
return;
}
if (!DA.GetData(1, ref radius))
{
return;
}
if (!DA.GetData(2, ref segments))
{
return;
}
if (!DA.GetData(3, ref angle))
{
return;
}
///////////////////////////////////////////////////
Curve x = railCurve;
double y = radius;
int n = segments;
Vector3d vc = x.TangentAtStart;
Plane pl = new Plane(x.PointAtStart, vc);
Polyline ply = ViperClass.CreatePolyline(pl, y, n);
ply.Transform(Transform.Rotation(angle, pl.ZAxis, pl.Origin));
NurbsCurve nc = ply.ToNurbsCurve();
SweepOneRail swp = new SweepOneRail();
Brep[] bs = swp.PerformSweep(x, nc);
DA.SetDataList(0, bs);
}