RevitLookup.Test.TestGeometry.CreateHelix C# (CSharp) Method

        public void CreateHelix()
        {
            double increment = 0.1;
            double current = 0;
            XYZ startPt;
            XYZ endPt;
            XYZ zAxis = GeomUtils.kZAxis;
            XYZ origin = GeomUtils.kOrigin;
            Line line;
            Plane plane = Plane.CreateByNormalAndOrigin(zAxis, origin);
            SketchPlane sketchPlane = SketchPlane.Create(m_revitApp.ActiveUIDocument.Document, plane);
            CurveArray curveArray = new CurveArray();

            startPt = new XYZ(Math.Cos(current), Math.Sin(current), current);
            current += increment;

            while (current <= GeomUtils.kTwoPi) {
                endPt = new XYZ(Math.Cos(current), Math.Sin(current), current);

                line = Line.CreateBound(startPt, endPt);
                curveArray.Append(line);

                startPt = endPt;
                current += increment;
            }

            m_revitApp.ActiveUIDocument.Document.Create.NewModelCurveArray(curveArray, sketchPlane);
        }