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Miscellaneous geometry utilities #2534

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eggrobin opened this issue Apr 17, 2020 · 0 comments · Fixed by #2559
Closed
2 tasks

Miscellaneous geometry utilities #2534

eggrobin opened this issue Apr 17, 2020 · 0 comments · Fixed by #2559
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@eggrobin
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eggrobin commented Apr 17, 2020

  • A utility to extract the angle (and axis) of a rotation
    Note that for a Rotation<F, G> where F and G differ this is effectively coordinate inspection, but it is still useful.
    This needs to be in Rotation rather than Quaternion though, since the latter can represent non-unit quaternions for which the question is meaningless.
  • Equality comparison for rotations (A more stable angular momentum correction. #2533 checks whether rotations are the identity by comparing the quaternion to 1, which is ugly).
@eggrobin eggrobin changed the title A utility to extract the angle (and axis) of a rotation Miscellaneous geometry utilities Apr 17, 2020
@eggrobin eggrobin changed the title Miscellaneous geometry utilities Miscellaneous geometry utilities Apr 17, 2020
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