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# Objective The isometry types added in #14269 support transforming other isometries and points, as well as computing the inverse of an isometry using `inverse`. However, transformations like `iso1.inverse() * iso2` and `iso.inverse() * point` can be optimized for single-shot cases using custom methods that avoid an extra rotation operation. ## Solution Add `inverse_mul` and `inverse_transform_point` for `Isometry2d` and `Isometry3d`. Note that these methods are only faster when the isometry can't be reused for multiple transformations. ## Testing All of the methods have a test, similarly to the existing transformation operations. |
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| .. | ||
| bounding | ||
| primitives | ||
| rects | ||
| sampling | ||
| affine3.rs | ||
| aspect_ratio.rs | ||
| common_traits.rs | ||
| compass.rs | ||
| cubic_splines.rs | ||
| direction.rs | ||
| float_ord.rs | ||
| isometry.rs | ||
| lib.rs | ||
| ray.rs | ||
| rotation2d.rs | ||