Add is_conformal method to Basis and Transform2D
#79523
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nlupugla
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Updated the PR to have an optimized 3D implementation suggested by @SlugFiller. |
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LGTM - probably @akien-mga should give it a check for merge
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This PR adds a new method
is_conformalto Basis and Transform2D.This method returns true if the basis is conformal, meaning it preserves angles and distance ratios, and may only composed of rotation or uniform scale. Returns false if the basis has non-uniform scale or shear/skew.
This can be used to validate if the basis is non-distorted, which is important for physics and other use cases. I have wanted a method like this for a long time but I did not know what to call it before now.
This PR also includes documentation and test cases. Most of the added lines are test cases.
I plan to use this method in the engine in #79364, but I wanted to open this PR to add the method first.