From 80558af9a1904eeaaa9cbaa7703c1ce1e48b57db Mon Sep 17 00:00:00 2001
From: Jan <jan@laupetin.net>
Date: Thu, 19 Jun 2025 18:30:40 +0100
Subject: [PATCH] fix: accessing freed memory when writing gltf
 inverseBindMatrix

---
 src/ObjWriting/XModel/Gltf/GltfWriter.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/ObjWriting/XModel/Gltf/GltfWriter.cpp b/src/ObjWriting/XModel/Gltf/GltfWriter.cpp
index 0a896c90..bec9c598 100644
--- a/src/ObjWriting/XModel/Gltf/GltfWriter.cpp
+++ b/src/ObjWriting/XModel/Gltf/GltfWriter.cpp
@@ -534,7 +534,8 @@ namespace
                     const auto translation = Eigen::Translation3f(bone.globalOffset[0], bone.globalOffset[2], -bone.globalOffset[1]);
                     const auto rotation = Eigen::Quaternionf(bone.globalRotation.w, bone.globalRotation.x, bone.globalRotation.z, -bone.globalRotation.y);
 
-                    const auto inverseBindMatrix = (translation * rotation).matrix().inverse();
+                    const auto bindMatrix = (translation * rotation);
+                    const auto inverseBindMatrix = bindMatrix.matrix().inverse();
 
                     // GLTF matrix is column major
                     inverseBindMatrixData[0] = inverseBindMatrix(0, 0);