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Diffstat (limited to 'include/gal/opengl/glm/gtx/vector_query.inl')
-rw-r--r-- | include/gal/opengl/glm/gtx/vector_query.inl | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/include/gal/opengl/glm/gtx/vector_query.inl b/include/gal/opengl/glm/gtx/vector_query.inl new file mode 100644 index 0000000..c955315 --- /dev/null +++ b/include/gal/opengl/glm/gtx/vector_query.inl @@ -0,0 +1,164 @@ +/////////////////////////////////////////////////////////////////////////////////////////////////// +// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net) +/////////////////////////////////////////////////////////////////////////////////////////////////// +// Created : 2007-03-05 +// Updated : 2010-02-16 +// Licence : This source is under MIT License +// File : glm/gtx/vector_query.inl +/////////////////////////////////////////////////////////////////////////////////////////////////// +// Dependency: +// - GLM core +/////////////////////////////////////////////////////////////////////////////////////////////////// + +#include <cassert> + +namespace glm +{ + template <typename T> + GLM_FUNC_QUALIFIER bool areCollinear + ( + detail::tvec2<T> const & v0, + detail::tvec2<T> const & v1, + typename detail::tvec2<T>::value_type const & epsilon + ) + { + return length(cross(detail::tvec3<T>(v0, T(0)), detail::tvec3<T>(v1, T(0)))) < epsilon; + } + + template <typename T> + GLM_FUNC_QUALIFIER bool areCollinear + ( + detail::tvec3<T> const & v0, + detail::tvec3<T> const & v1, + typename detail::tvec3<T>::value_type const & epsilon + ) + { + return length(cross(v0, v1)) < epsilon; + } + + template <typename T> + GLM_FUNC_QUALIFIER bool areCollinear + ( + detail::tvec4<T> const & v0, + detail::tvec4<T> const & v1, + typename detail::tvec4<T>::value_type const & epsilon + ) + { + return length(cross(detail::tvec3<T>(v0), detail::tvec3<T>(v1))) < epsilon; + } + + template <typename genType> + GLM_FUNC_QUALIFIER bool areOrthogonal + ( + genType const & v0, + genType const & v1, + typename genType::value_type const & epsilon + ) + { + return abs(dot(v0, v1)) <= max( + typename genType::value_type(1), + length(v0)) * max( + typename genType::value_type(1), + length(v1)) * epsilon; + } + + template <typename genType, template <typename> class vecType> + GLM_FUNC_QUALIFIER bool isNormalized + ( + vecType<genType> const & v, + genType const & epsilon + ) + { + return abs(length(v) - genType(1)) <= genType(2) * epsilon; + } + + template <typename valType> + GLM_FUNC_QUALIFIER bool isNull + ( + detail::tvec2<valType> const & v, + valType const & epsilon + ) + { + return length(v) <= epsilon; + } + + template <typename valType> + GLM_FUNC_QUALIFIER bool isNull + ( + detail::tvec3<valType> const & v, + valType const & epsilon + ) + { + return length(v) <= epsilon; + } + + template <typename valType> + GLM_FUNC_QUALIFIER bool isNull + ( + detail::tvec4<valType> const & v, + valType const & epsilon + ) + { + return length(v) <= epsilon; + } + + template <typename T> + GLM_FUNC_QUALIFIER bool isCompNull + ( + T const & s, + T const & epsilon + ) + { + return abs(s) < epsilon; + } + + template <typename T> + GLM_FUNC_QUALIFIER detail::tvec2<bool> isCompNull + ( + detail::tvec2<T> const & v, + T const & epsilon) + { + return detail::tvec2<bool>( + (abs(v.x) < epsilon), + (abs(v.y) < epsilon)); + } + + template <typename T> + GLM_FUNC_QUALIFIER detail::tvec3<bool> isCompNull + ( + detail::tvec3<T> const & v, + T const & epsilon + ) + { + return detail::tvec3<bool>( + abs(v.x) < epsilon, + abs(v.y) < epsilon, + abs(v.z) < epsilon); + } + + template <typename T> + GLM_FUNC_QUALIFIER detail::tvec4<bool> isCompNull + ( + detail::tvec4<T> const & v, + T const & epsilon + ) + { + return detail::tvec4<bool>( + abs(v.x) < epsilon, + abs(v.y) < epsilon, + abs(v.z) < epsilon, + abs(v.w) < epsilon); + } + + template <typename genType> + GLM_FUNC_QUALIFIER bool areOrthonormal + ( + genType const & v0, + genType const & v1, + typename genType::value_type const & epsilon + ) + { + return isNormalized(v0, epsilon) && isNormalized(v1, epsilon) && (abs(dot(v0, v1)) <= epsilon); + } + +}//namespace glm |