eef9a1b9ae
This node outputs tangent values for face corners. There are two methods: - **Exact** is the same MikkTSpace calculation used elsewhere in Blender. - **Fast** (from #131308) is over 4x faster, and useful in many of the same situations, though not necessarily tangential to the surface. The reason to include both methods is that there are use cases where the quality of the tangents don't matter (though the results are actually very similar visually), we just need some continuous values across faces. Pull Request: https://projects.blender.org/blender/blender/pulls/145813
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