public static bool IsPointOnHatchByRay(this Hatch hatch, Point3d pt, Tolerance tolerance, Database db)
{
var hId = hatch.Id;
try
{
if (hatch.Id.IsNull)
{
using var t = db.TransactionManager.StartTransaction();
var cs = db.CurrentSpaceId.GetObjectT <BlockTableRecord>(OpenMode.ForWrite);
var hClone = (Hatch)hatch.Clone();
hId = cs.AppendEntity(hClone);
t.AddNewlyCreatedDBObject(hClone, true);
t.Commit();
}
using var r = hId.CreateRegionFromHatch();
using var ray = new Ray { BasePoint = pt, UnitDir = new Vector3d(0.235, 0.7458, 0) };
var pts = new Point3dCollection();
ray.IntersectWith(r, Intersect.OnBothOperands, new Plane(), pts, IntPtr.Zero, IntPtr.Zero);
return(pts.Count > 0 && (pts.Count.IsOdd() || pts.Cast <Point3d>().Any(p => p.IsEqualTo(pt))));
}
finally
{
if (!hId.IsNull)
{
#pragma warning disable 618
using var h = hId.Open(OpenMode.ForWrite, false, true) as Hatch;
#pragma warning restore 618
h?.Erase();
}
}
}
