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@@ -467,6 +467,9 @@ bool WriteDrawablesToOBJ(PODVector<Drawable*> drawables, File* outputFile, bool
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Node* node = drawable->GetNode();
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Matrix3x4 transMat = drawable->GetNode()->GetWorldTransform();
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+ Matrix3x4 n = transMat.Inverse();
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+ Matrix3 normalMat = Matrix3(n.m00_, n.m01_, n.m02_, n.m10_, n.m11_, n.m12_, n.m20_, n.m21_, n.m22_);
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+ normalMat = normalMat.Transpose();
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const Vector<SourceBatch>& batches = drawable->GetBatches();
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for (unsigned geoIndex = 0; geoIndex < batches.Size(); ++geoIndex)
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@@ -527,8 +530,8 @@ bool WriteDrawablesToOBJ(PODVector<Drawable*> drawables, File* outputFile, bool
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const unsigned normalOffset = VertexBuffer::GetElementOffset(elementMask, ELEMENT_NORMAL);
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for (unsigned j = 0; j < vertexCount; ++j)
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{
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- Vector3 vertexNormal = *((const Vector3*)(&vertexData[(vertexStart + j) * elementSize + positionOffset]));
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- vertexNormal = transMat * vertexNormal;
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+ Vector3 vertexNormal = *((const Vector3*)(&vertexData[(vertexStart + j) * elementSize + normalOffset]));
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+ vertexNormal = normalMat * vertexNormal;
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vertexNormal.Normalize();
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if (asRightHanded)
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MonkeyFirst