//Seconds to Parametermsc = DSCore.DateTime.Components(dtm)["second"];prm = msc>30?(60-msc)/30:msc/30;​//Curvecrv = NurbsCurve.ByPoints(Point.ByCoordinates([0,10,-10,5],[0,10,5,-5],[0,10,5,0]));​//Spheresph = Sphere.ByCenterPointRadius(crv.PointAtParameter(prm),2);