/// <summary>
/// Extrude the model entities `dimTags' by a combined translation and
/// rotation of `angle' radians, along (`dx', `dy', `dz') and around the axis
/// of revolution defined by the point (`x', `y', `z') and the direction
/// (`ax', `ay', `az'). The angle should be strictly smaller than Pi. Return
/// extruded entities in `outDimTags'. If `numElements' is not empty, also
/// extrude the mesh: the entries in `numElements' give the number of elements
/// in each layer. If `height' is not empty, it provides the (cumulative)
/// height of the different layers, normalized to 1.
/// </summary>
public static void Twist(ValueTuple <int, int>[] dimTags, double x, double y, double z, double dx, double dy, double dz, double ax, double ay, double az, double angle, out ValueTuple <int, int>[] outDimTags, int[] numElements = default, double[] heights = default, bool recombine = false)
{
var dimarray = dimTags.ToIntArray();
unsafe
{
int *ptrss;
long outcount = 0;
if (numElements == default)
{
numElements = new int[0];
}
if (heights == default)
{
heights = new double[0];
}
Gmsh_Warp.GmshModelGeoTwist(dimarray, dimarray.LongLength, x, y, z, dx, dy, dz, ax, ay, az, angle, &ptrss, ref outcount, numElements, numElements.LongLength, heights, heights.LongLength, Convert.ToInt32(recombine), ref Gmsh._staticreff);
var array = UnsafeHelp.ToIntArray(ptrss, outcount);
outDimTags = array.ToIntPair();
Gmsh.CheckException(MethodBase.GetCurrentMethod().MethodHandle);
}
}
