internal static Snap.NX.Torus CreateTorus(Snap.Position center, Snap.Orientation matrix, double majorRadius, double minorRadius, Box2d boxUV)
{
Vector axisX = matrix.AxisX;
Vector axisZ = matrix.AxisZ;
Snap.Orientation orientation = new Snap.Orientation(axisX, axisZ);
Snap.Position position = center + ((Snap.Position)(majorRadius * matrix.AxisX));
Snap.NX.Arc arc = Create.Arc(position, orientation, minorRadius, boxUV.MinV, boxUV.MaxV);
Snap.NX.ICurve[] curves = new Snap.NX.ICurve[] { arc };
double x = matrix.AxisZ.X;
double y = matrix.AxisZ.Y;
double z = matrix.AxisZ.Z;
string str = Snap.Number.ToString(boxUV.MinU);
string str2 = Snap.Number.ToString(boxUV.MaxU);
Snap.Number[] angles = new Snap.Number[] { str, str2 };
return(new Snap.NX.Torus(Create.RevolveSheet(curves, center, matrix.AxisZ, angles).NXOpenRevolve));
}
public Snap.NX.Arc[] IsoCurveU(double constantU)
{
Snap.NX.Curve[] nxObjects = Create.IsoparametricCurve(this, Create.DirectionUV.U, constantU, 0.0254);
Snap.NX.Arc[] arcArray = new Snap.NX.Arc[nxObjects.Length];
for (int i = 0; i < nxObjects.Length; i++)
{
Snap.Position startPoint = nxObjects[i].StartPoint;
Snap.Position endPoint = nxObjects[i].EndPoint;
Snap.Position position3 = nxObjects[i].Position(((nxObjects[i].MaxU - nxObjects[i].MinU) / 2.0) + nxObjects[i].MinU);
if (Snap.Position.Distance(startPoint, endPoint) <= 0.0001)
{
Snap.Position position4 = nxObjects[i].Position(nxObjects[i].MaxU / 3.0);
arcArray[i] = Create.Circle(startPoint, position3, position4);
}
else
{
arcArray[i] = Create.Arc(startPoint, position3, endPoint);
}
}
Snap.NX.NXObject.Delete(nxObjects);
return(arcArray);
}
private static Snap.NX.Arc SplineToArc(Snap.NX.Spline spline, double radius)
{
Vector vector = spline.Tangent(0.0);
Snap.Position startPoint = spline.Position(0.0);
Vector vector2 = spline.Tangent(1.0);
Snap.Position endPoint = spline.Position(1.0);
double num = (double)(-vector * vector2);
double num2 = System.Math.Sqrt((1.0 - num) / 2.0);
Vector vector3 = Vector.Unit(vector - vector2);
Snap.Position p = (Snap.Position)(((startPoint + endPoint) / 2.0) + ((radius * (1.0 - num2)) * vector3));
Snap.Position position4 = (Snap.Position)(p - ((Snap.Position)((2.0 * radius) * vector3)));
Snap.Position q = spline.Position(0.5);
Snap.Position throughPoint = p;
double num3 = Snap.Position.Distance(p, q);
if (Snap.Position.Distance(position4, q) < num3)
{
throughPoint = position4;
}
return(Create.Arc(startPoint, throughPoint, endPoint));
}
