From 3453354ee16d9d1baa5fdd42a6e29f83d01135ee Mon Sep 17 00:00:00 2001
From: kgv <kgv@opencascade.com>
Date: Tue, 13 Sep 2022 13:01:00 +0300
Subject: [PATCH] 0033141: BVH_BaseBox<T, 3, BVH_Box>::Transformed() returns
 empty box for identity matrix

---
 src/BVH/BVH_Box.hxx | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/BVH/BVH_Box.hxx b/src/BVH/BVH_Box.hxx
index 6d2d01b0c8..be2af6c330 100644
--- a/src/BVH/BVH_Box.hxx
+++ b/src/BVH/BVH_Box.hxx
@@ -64,19 +64,18 @@ public:
   //! given transformation to this box.
   BVH_Box<T, 3> Transformed (const NCollection_Mat4<T>& theTransform) const
   {
-    BVH_Box<T, 3> aResultBox;
-
+    const BVH_Box<T, 3> *aThis = static_cast<const BVH_Box<T, 3>*>(this);
     if (theTransform.IsIdentity())
     {
-      return aResultBox;
+      return *aThis;
     }
 
-    const BVH_Box<T, 3> *aThis = static_cast<const BVH_Box<T, 3>*>(this);
     if (!aThis->IsValid())
     {
-      return aResultBox;
+      return *aThis;
     }
 
+    BVH_Box<T, 3> aResultBox;
     for (size_t aX = 0; aX <= 1; ++aX)
     {
       for (size_t aY = 0; aY <= 1; ++aY)