The open source OpenXR runtime
a/math: Add math_quat_from_vec_a_to_vec_b()
Part-of: <https://gitlab.freedesktop.org/monado/monado/-/merge_requests/2188>
authored by
Jan Schmidt
and committed by
Marge Bot
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src/xrt/auxiliary/math/m_api.h
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src/xrt/auxiliary/math/m_api.h
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math_quat_from_plus_x_z(const struct xrt_vec3 *plus_x, const struct xrt_vec3 *plus_z, struct xrt_quat *result);
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/*!
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* Create a rotation from two vectors vec_a and vec_b that would
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* rotate vec_a into vec_b
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*
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* @relates xrt_quat
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* @see xrt_vec3
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* @ingroup aux_math
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*/
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void
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math_quat_from_vec_a_to_vec_b(const struct xrt_vec3 *vec_a, const struct xrt_vec3 *vec_b, struct xrt_quat *result);
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/*!
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* Check if this quat can be used in transformation operations.
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*
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* @relates xrt_quat
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src/xrt/auxiliary/math/m_base.cpp
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src/xrt/auxiliary/math/m_base.cpp
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math_quat_from_matrix_3x3(&m, result);
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}
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extern "C" void
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math_quat_from_vec_a_to_vec_b(const struct xrt_vec3 *vec_a, const struct xrt_vec3 *vec_b, struct xrt_quat *result)
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{
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map_quat(*result) = Eigen::Quaternionf::FromTwoVectors(copy(vec_a), copy(vec_b));
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}
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static bool
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quat_validate(const float precision, const struct xrt_quat *quat)
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{