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author | LaG1924 <12997935+LaG1924@users.noreply.github.com> | 2018-01-13 03:51:33 +0100 |
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committer | LaG1924 <12997935+LaG1924@users.noreply.github.com> | 2018-01-13 03:51:34 +0100 |
commit | 6f67371bb1b46579ae837d0e0c61ac1b291be743 (patch) | |
tree | 5a43692a064d84e5c5688b1b3639342555139c3c /external/include/glm/gtx/polar_coordinates.inl | |
parent | Backported to C++14 (diff) | |
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Diffstat (limited to 'external/include/glm/gtx/polar_coordinates.inl')
-rw-r--r-- | external/include/glm/gtx/polar_coordinates.inl | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/external/include/glm/gtx/polar_coordinates.inl b/external/include/glm/gtx/polar_coordinates.inl new file mode 100644 index 0000000..afc9d2b --- /dev/null +++ b/external/include/glm/gtx/polar_coordinates.inl @@ -0,0 +1,37 @@ +/// @ref gtx_polar_coordinates +/// @file glm/gtx/polar_coordinates.inl + +namespace glm +{ + template <typename T, precision P> + GLM_FUNC_QUALIFIER tvec3<T, P> polar + ( + tvec3<T, P> const & euclidean + ) + { + T const Length(length(euclidean)); + tvec3<T, P> const tmp(euclidean / Length); + T const xz_dist(sqrt(tmp.x * tmp.x + tmp.z * tmp.z)); + + return tvec3<T, P>( + asin(tmp.y), // latitude + atan(tmp.x, tmp.z), // longitude + xz_dist); // xz distance + } + + template <typename T, precision P> + GLM_FUNC_QUALIFIER tvec3<T, P> euclidean + ( + tvec2<T, P> const & polar + ) + { + T const latitude(polar.x); + T const longitude(polar.y); + + return tvec3<T, P>( + cos(latitude) * sin(longitude), + sin(latitude), + cos(latitude) * cos(longitude)); + } + +}//namespace glm |