/// <summary>
/// Projects points onto breps.
/// </summary>
/// <param name="breps">The breps projection targets.</param>
/// <param name="points">The points to project.</param>
/// <param name="direction">The direction to project.</param>
/// <param name="tolerance">The tolerance used for intersections.</param>
/// <returns>
/// Array of projected points, or null in case of any error or invalid input.
/// </returns>
/// <example>
/// <code source='examples\vbnet\ex_projectpointstobreps.vb' lang='vbnet'/>
/// <code source='examples\cs\ex_projectpointstobreps.cs' lang='cs'/>
/// <code source='examples\py\ex_projectpointstobreps.py' lang='py'/>
/// </example>
public static Point3d[] ProjectPointsToBreps(IEnumerable<Brep> breps, IEnumerable<Point3d> points, Vector3d direction, double tolerance)
{
Point3d[] rc = null;
if (breps != null && points != null)
{
Rhino.Runtime.InteropWrappers.SimpleArrayBrepPointer brep_array = new Rhino.Runtime.InteropWrappers.SimpleArrayBrepPointer();
foreach (Brep brep in breps)
brep_array.Add(brep, true);
Rhino.Collections.Point3dList inputpoints = new Rhino.Collections.Point3dList(points);
if (inputpoints.Count > 0)
{
IntPtr pConstBrepArray = brep_array.ConstPointer();
using (Runtime.InteropWrappers.SimpleArrayPoint3d output = new Rhino.Runtime.InteropWrappers.SimpleArrayPoint3d())
{
IntPtr pOutput = output.NonConstPointer();
if (UnsafeNativeMethods.RHC_RhinoProjectPointsToBreps(pConstBrepArray, direction, tolerance, inputpoints.Count, inputpoints.m_items, pOutput))
rc = output.ToArray();
}
}
}
return rc;
}