From 60640fa4415548ebfa19c1f929ea2da7e4980fe7 Mon Sep 17 00:00:00 2001
From: bgbsww <bgbsww@gmail.com>
Date: Sat, 17 Aug 2024 18:13:13 -0400
Subject: [PATCH] Horrible hack to work around bug in OCCT7.7.2

---
 src/Mod/Part/App/PrimitiveFeature.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/Mod/Part/App/PrimitiveFeature.cpp b/src/Mod/Part/App/PrimitiveFeature.cpp
index 773e5da1fe..15c04121c8 100644
--- a/src/Mod/Part/App/PrimitiveFeature.cpp
+++ b/src/Mod/Part/App/PrimitiveFeature.cpp
@@ -652,6 +652,13 @@ App::DocumentObjectExecReturn *Cone::execute()
         return new App::DocumentObjectExecReturn("Radius of cone too small");
     if (Height.getValue() < Precision::Confusion())
         return new App::DocumentObjectExecReturn("Height of cone too small");
+    double angle = Angle.getValue();
+#if OCC_VERSION_HEX == 0x070702
+    // OCCT 7.7.2 will not model a cone with an angle of exactly 360, so we cheat:
+    if ( angle == 360.0) {
+        angle = 359.99;
+    }
+#endif
     try {
         TopoDS_Shape ResultShape;
         if (std::abs(Radius1.getValue() - Radius2.getValue()) < Precision::Confusion()){
@@ -665,7 +672,7 @@ App::DocumentObjectExecReturn *Cone::execute()
             BRepPrimAPI_MakeCone mkCone(Radius1.getValue(),
                                         Radius2.getValue(),
                                         Height.getValue(),
-                                        Angle.getValue()/180.0f*M_PI);
+                                        angle/180.0f*M_PI);
             ResultShape = mkCone.Shape();
         }
         this->Shape.setValue(ResultShape);