diff options
Diffstat (limited to 'engine-ocean/External/glm-master/glm/gtx/polar_coordinates.inl')
-rw-r--r-- | engine-ocean/External/glm-master/glm/gtx/polar_coordinates.inl | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/engine-ocean/External/glm-master/glm/gtx/polar_coordinates.inl b/engine-ocean/External/glm-master/glm/gtx/polar_coordinates.inl new file mode 100644 index 0000000..371c8dd --- /dev/null +++ b/engine-ocean/External/glm-master/glm/gtx/polar_coordinates.inl @@ -0,0 +1,36 @@ +/// @ref gtx_polar_coordinates + +namespace glm +{ + template<typename T, qualifier Q> + GLM_FUNC_QUALIFIER vec<3, T, Q> polar + ( + vec<3, T, Q> const& euclidean + ) + { + T const Length(length(euclidean)); + vec<3, T, Q> const tmp(euclidean / Length); + T const xz_dist(sqrt(tmp.x * tmp.x + tmp.z * tmp.z)); + + return vec<3, T, Q>( + asin(tmp.y), // latitude + atan(tmp.x, tmp.z), // longitude + xz_dist); // xz distance + } + + template<typename T, qualifier Q> + GLM_FUNC_QUALIFIER vec<3, T, Q> euclidean + ( + vec<2, T, Q> const& polar + ) + { + T const latitude(polar.x); + T const longitude(polar.y); + + return vec<3, T, Q>( + cos(latitude) * sin(longitude), + sin(latitude), + cos(latitude) * cos(longitude)); + } + +}//namespace glm |