fix transforms

szellmann · Jun 25, 2024 · b7a2d8f · b7a2d8f
1 parent ff3016a
commit b7a2d8f
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/scene/Instance.cpp b/scene/Instance.cpp
@@ -52,9 +52,9 @@ void Instance::commit()
   m_transInv.resize(1);
 
   m_xfms[0] = xfm;
-  m_affineInv[0] = inverse(top_left(m_xfms[0]));
+  m_affineInv[0] = inverse(transpose(top_left(m_xfms[0])));
   m_transInv[0] = -m_xfms[0](3).xyz();
-  m_normalXfms[0] = inverse(transpose(m_affineInv[0]));
+  m_normalXfms[0] = inverse(m_affineInv[0]);
 
   dispatch();
 }

diff --git a/scene/MotionTransform.cpp b/scene/MotionTransform.cpp
@@ -28,9 +28,9 @@ void MotionTransform::commit()
   m_transInv.resize(m_motionTransform->size());
   for (size_t i = 0; i < m_motionTransform->size(); ++i) {
     m_xfms[i] = m_motionTransform->dataAs<mat4>()[i];
-    m_affineInv[i] = inverse(top_left(m_xfms[i]));
+    m_affineInv[i] = inverse(transpose(top_left(m_xfms[i])));
     m_transInv[i] = -m_xfms[i](3).xyz();
-    m_normalXfms[i] = inverse(transpose(m_affineInv[i]));
+    m_normalXfms[i] = inverse(m_affineInv[i]);
   }
 
   Instance::dispatch();