Rolling Spiral
Sin and Cos
a = Dictionary.ValueAtKey(DateTime.Components(d), "second")*12;
x1 = (0..(Math.PiTimes2)..#500);
y1 = Math.Sin(a..(a+360)*3..#500);
z1 = Math.Cos(a..(a+360)*3..#500);
n1 = NurbsCurve.ByPoints(Point.ByCoordinates(x1,y1+4));
n2 = NurbsCurve.ByPoints(Point.ByCoordinates(x1,0,z1+4));
n3 = NurbsCurve.ByPoints(Point.ByCoordinates(x1,y1+4,z1+4));
l1 = Line.ByStartPointEndPoint(n1.StartPoint,n3.StartPoint);
l2 = Line.ByStartPointEndPoint(n2.StartPoint,n3.StartPoint);
c1 = GeometryColor.ByGeometryColor([n1,l1],Color.ByARGB(255,0,0,255));
c2 = GeometryColor.ByGeometryColor([n2,l2],Color.ByARGB(255,255,0,0));
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