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Merge pull request #1505 from aws-lumberyard-dev/Helios_LYN-4742-AssImpRootTransformFix

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[LYN 4742] AssImp Root Transform Fix
This commit is contained in:
amzn-mike
2021-06-23 21:15:03 -05:00
committed by GitHub
parent 0e3127240f 03a6d1e0f5
commit 8e98f7bb28
1 changed files with 13 additions and 6 deletions
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Code/Tools/SceneAPI/FbxSceneBuilder/Importers/AssImpTransformImporter.cpp
+13 -6
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@@ -99,12 +99,19 @@ namespace AZ
iteratingNode = iteratingNode->mParent;
}
localTransform =
offsets.at(AZ::GetMin(offsets.size()-1, static_cast<decltype(offsets.size())>(1))) // parent bone offset, or if there is no parent, then current node offset
* inverseOffsets.at(inverseOffsets.size() - 1) // Inverse of root bone offset
* offsets.at(offsets.size() - 1) // Root bone offset
* inverseOffsets.at(0); // Inverse of current node offset
if (inverseOffsets.size() == 1)
{
// If this is the root bone, just use the inverseOffset, otherwise the equation below just results in the identity matrix
localTransform = inverseOffsets[0];
}
else
{
localTransform = offsets.at(1) // parent bone offset
* inverseOffsets.at(inverseOffsets.size() - 1) // Inverse of root bone offset
* offsets.at(offsets.size() - 1) // Root bone offset
* inverseOffsets.at(0); // Inverse of current node offset
}
}
else
{