From cc2e40324d884bc0417809980a696a5084e661d7 Mon Sep 17 00:00:00 2001 From: Thales Lima Oliveira Date: Wed, 8 Jul 2020 12:05:44 -0300 Subject: GLM folder changed --- Project/glm/geometric.hpp | 116 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100644 Project/glm/geometric.hpp (limited to 'Project/glm/geometric.hpp') diff --git a/Project/glm/geometric.hpp b/Project/glm/geometric.hpp new file mode 100644 index 0000000..c068a3c --- /dev/null +++ b/Project/glm/geometric.hpp @@ -0,0 +1,116 @@ +/// @ref core +/// @file glm/geometric.hpp +/// +/// @see GLSL 4.20.8 specification, section 8.5 Geometric Functions +/// +/// @defgroup core_func_geometric Geometric functions +/// @ingroup core +/// +/// These operate on vectors as vectors, not component-wise. +/// +/// Include to use these core features. + +#pragma once + +#include "detail/type_vec3.hpp" + +namespace glm +{ + /// @addtogroup core_func_geometric + /// @{ + + /// Returns the length of x, i.e., sqrt(x * x). + /// + /// @tparam L An integer between 1 and 4 included that qualify the dimension of the vector. + /// @tparam T Floating-point scalar types. + /// + /// @see GLSL length man page + /// @see GLSL 4.20.8 specification, section 8.5 Geometric Functions + template + GLM_FUNC_DECL T length(vec const& x); + + /// Returns the distance betwwen p0 and p1, i.e., length(p0 - p1). + /// + /// @tparam L An integer between 1 and 4 included that qualify the dimension of the vector. + /// @tparam T Floating-point scalar types. + /// + /// @see GLSL distance man page + /// @see GLSL 4.20.8 specification, section 8.5 Geometric Functions + template + GLM_FUNC_DECL T distance(vec const& p0, vec const& p1); + + /// Returns the dot product of x and y, i.e., result = x * y. + /// + /// @tparam L An integer between 1 and 4 included that qualify the dimension of the vector. + /// @tparam T Floating-point scalar types. + /// + /// @see GLSL dot man page + /// @see GLSL 4.20.8 specification, section 8.5 Geometric Functions + template + GLM_FUNC_DECL T dot(vec const& x, vec const& y); + + /// Returns the cross product of x and y. + /// + /// @tparam T Floating-point scalar types. + /// + /// @see GLSL cross man page + /// @see GLSL 4.20.8 specification, section 8.5 Geometric Functions + template + GLM_FUNC_DECL vec<3, T, Q> cross(vec<3, T, Q> const& x, vec<3, T, Q> const& y); + + /// Returns a vector in the same direction as x but with length of 1. + /// According to issue 10 GLSL 1.10 specification, if length(x) == 0 then result is undefined and generate an error. + /// + /// @tparam L An integer between 1 and 4 included that qualify the dimension of the vector. + /// @tparam T Floating-point scalar types. + /// + /// @see GLSL normalize man page + /// @see GLSL 4.20.8 specification, section 8.5 Geometric Functions + template + GLM_FUNC_DECL vec normalize(vec const& x); + + /// If dot(Nref, I) < 0.0, return N, otherwise, return -N. + /// + /// @tparam L An integer between 1 and 4 included that qualify the dimension of the vector. + /// @tparam T Floating-point scalar types. + /// + /// @see GLSL faceforward man page + /// @see GLSL 4.20.8 specification, section 8.5 Geometric Functions + template + GLM_FUNC_DECL vec faceforward( + vec const& N, + vec const& I, + vec const& Nref); + + /// For the incident vector I and surface orientation N, + /// returns the reflection direction : result = I - 2.0 * dot(N, I) * N. + /// + /// @tparam L An integer between 1 and 4 included that qualify the dimension of the vector. + /// @tparam T Floating-point scalar types. + /// + /// @see GLSL reflect man page + /// @see GLSL 4.20.8 specification, section 8.5 Geometric Functions + template + GLM_FUNC_DECL vec reflect( + vec const& I, + vec const& N); + + /// For the incident vector I and surface normal N, + /// and the ratio of indices of refraction eta, + /// return the refraction vector. + /// + /// @tparam L An integer between 1 and 4 included that qualify the dimension of the vector. + /// @tparam T Floating-point scalar types. + /// + /// @see GLSL refract man page + /// @see GLSL 4.20.8 specification, section 8.5 Geometric Functions + template + GLM_FUNC_DECL vec refract( + vec const& I, + vec const& N, + T eta); + + /// @} +}//namespace glm + +#include "detail/func_geometric.inl" -- cgit