From 2889518f7a44bc11ed9385dc99d0886b52bb1c03 Mon Sep 17 00:00:00 2001
From: dpasukhi <dpasukhi@opencascade.com>
Date: Tue, 28 Jan 2025 16:37:58 +0000
Subject: [PATCH] Modeling - Degenerated curve on offset #301

Skip degenerated curves in BRepOffset_Tool::TryProject to improve robustness
---
 src/BRepOffset/BRepOffset_Tool.cxx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/BRepOffset/BRepOffset_Tool.cxx b/src/BRepOffset/BRepOffset_Tool.cxx
index 12f11c89b1..a9ad3a77d2 100644
--- a/src/BRepOffset/BRepOffset_Tool.cxx
+++ b/src/BRepOffset/BRepOffset_Tool.cxx
@@ -1899,9 +1899,9 @@ Standard_Boolean BRepOffset_Tool::TryProject(const TopoDS_Face&          F1,
     {
       BRepLib::BuildCurve3d(CurE, BRep_Tool::Tolerance(CurE));
       C = BRep_Tool::Curve(CurE, L, f, l);
-      if (C.IsNull())
+      if (C.IsNull()) // not 3d curve, can be degenerated, need to skip
       {
-        return Standard_False;
+        continue;
       }
     }
     C = new Geom_TrimmedCurve(C, f, l);