mirror of
https://github.com/JoeyDeVries/LearnOpenGL.git
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Updated GLM version w/ now standard radians as angles.
This commit is contained in:
J. de Vries
@@ -1,161 +1,219 @@
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Created : 2007-03-05
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// Updated : 2010-02-16
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// Licence : This source is under MIT License
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// File : glm/gtx/vector_query.inl
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Dependency:
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// - GLM core
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///////////////////////////////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////////
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/// OpenGL Mathematics (glm.g-truc.net)
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///
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/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net)
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/// Permission is hereby granted, free of charge, to any person obtaining a copy
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/// of this software and associated documentation files (the "Software"), to deal
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/// in the Software without restriction, including without limitation the rights
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/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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/// copies of the Software, and to permit persons to whom the Software is
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/// furnished to do so, subject to the following conditions:
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///
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/// The above copyright notice and this permission notice shall be included in
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/// all copies or substantial portions of the Software.
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///
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/// Restrictions:
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/// By making use of the Software for military purposes, you choose to make
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/// a Bunny unhappy.
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///
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/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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/// THE SOFTWARE.
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///
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/// @ref gtx_vector_query
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/// @file glm/gtx/vector_query.inl
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/// @date 2008-03-10 / 2011-06-07
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/// @author Christophe Riccio
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///////////////////////////////////////////////////////////////////////////////////
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#include <cassert>
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namespace glm
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namespace glm{
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namespace detail
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{
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template <typename T>
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template <typename T, precision P, template <typename, precision> class vecType>
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struct compute_areCollinear{};
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template <typename T, precision P>
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struct compute_areCollinear<T, P, tvec2>
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{
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GLM_FUNC_QUALIFIER static bool call(tvec2<T, P> const & v0, tvec2<T, P> const & v1, T const & epsilon)
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{
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return length(cross(tvec3<T, P>(v0, static_cast<T>(0)), tvec3<T, P>(v1, static_cast<T>(0)))) < epsilon;
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}
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};
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template <typename T, precision P>
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struct compute_areCollinear<T, P, tvec3>
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{
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GLM_FUNC_QUALIFIER static bool call(tvec3<T, P> const & v0, tvec3<T, P> const & v1, T const & epsilon)
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{
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return length(cross(v0, v1)) < epsilon;
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}
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};
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template <typename T, precision P>
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struct compute_areCollinear<T, P, tvec4>
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{
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GLM_FUNC_QUALIFIER static bool call(tvec4<T, P> const & v0, tvec4<T, P> const & v1, T const & epsilon)
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{
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return length(cross(tvec3<T, P>(v0), tvec3<T, P>(v1))) < epsilon;
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}
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};
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template <typename T, precision P, template <typename, precision> class vecType>
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struct compute_isCompNull{};
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template <typename T, precision P>
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struct compute_isCompNull<T, P, tvec2>
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{
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GLM_FUNC_QUALIFIER static tvec2<bool, P> call(tvec2<T, P> const & v, T const & epsilon)
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{
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return tvec2<bool, P>(
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(abs(v.x) < epsilon),
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(abs(v.y) < epsilon));
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}
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};
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template <typename T, precision P>
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struct compute_isCompNull<T, P, tvec3>
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{
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GLM_FUNC_QUALIFIER static tvec3<bool, P> call(tvec3<T, P> const & v, T const & epsilon)
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{
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return tvec3<bool, P>(
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(abs(v.x) < epsilon),
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(abs(v.y) < epsilon),
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(abs(v.z) < epsilon));
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}
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};
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template <typename T, precision P>
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struct compute_isCompNull<T, P, tvec4>
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{
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GLM_FUNC_QUALIFIER static tvec4<bool, P> call(tvec4<T, P> const & v, T const & epsilon)
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{
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return tvec4<bool, P>(
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(abs(v.x) < epsilon),
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(abs(v.y) < epsilon),
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(abs(v.z) < epsilon),
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(abs(v.w) < epsilon));
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}
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};
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}//namespace detail
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_QUALIFIER bool areCollinear
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(
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detail::tvec2<T> const & v0,
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detail::tvec2<T> const & v1,
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typename detail::tvec2<T>::value_type const & epsilon
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vecType<T, P> const & v0,
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vecType<T, P> const & v1,
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T const & epsilon
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)
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{
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return length(cross(detail::tvec3<T>(v0, T(0)), detail::tvec3<T>(v1, T(0)))) < epsilon;
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GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'areCollinear' only accept floating-point inputs");
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return detail::compute_areCollinear<T, P, vecType>::call(v0, v1, epsilon);
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}
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template <typename T>
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GLM_FUNC_QUALIFIER bool areCollinear
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(
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detail::tvec3<T> const & v0,
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detail::tvec3<T> const & v1,
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typename detail::tvec3<T>::value_type const & epsilon
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)
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{
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return length(cross(v0, v1)) < epsilon;
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}
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template <typename T>
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GLM_FUNC_QUALIFIER bool areCollinear
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(
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detail::tvec4<T> const & v0,
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detail::tvec4<T> const & v1,
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typename detail::tvec4<T>::value_type const & epsilon
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)
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{
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return length(cross(detail::tvec3<T>(v0), detail::tvec3<T>(v1))) < epsilon;
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}
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template <typename genType>
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_QUALIFIER bool areOrthogonal
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(
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genType const & v0,
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genType const & v1,
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typename genType::value_type const & epsilon
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vecType<T, P> const & v0,
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vecType<T, P> const & v1,
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T const & epsilon
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)
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{
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GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'areOrthogonal' only accept floating-point inputs");
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return abs(dot(v0, v1)) <= max(
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typename genType::value_type(1),
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length(v0)) * max(
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typename genType::value_type(1),
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length(v1)) * epsilon;
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static_cast<T>(1),
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length(v0)) * max(static_cast<T>(1), length(v1)) * epsilon;
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}
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template <typename genType, template <typename> class vecType>
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_QUALIFIER bool isNormalized
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(
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vecType<genType> const & v,
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genType const & epsilon
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)
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{
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return abs(length(v) - genType(1)) <= genType(2) * epsilon;
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}
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template <typename valType>
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GLM_FUNC_QUALIFIER bool isNull
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(
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detail::tvec2<valType> const & v,
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valType const & epsilon
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)
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{
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return length(v) <= epsilon;
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}
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template <typename valType>
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GLM_FUNC_QUALIFIER bool isNull
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(
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detail::tvec3<valType> const & v,
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valType const & epsilon
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)
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{
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return length(v) <= epsilon;
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}
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template <typename valType>
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GLM_FUNC_QUALIFIER bool isNull
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(
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detail::tvec4<valType> const & v,
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valType const & epsilon
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)
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{
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return length(v) <= epsilon;
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}
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template <typename T>
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GLM_FUNC_QUALIFIER bool isCompNull
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(
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T const & s,
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vecType<T, P> const & v,
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T const & epsilon
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)
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{
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return abs(s) < epsilon;
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GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isNormalized' only accept floating-point inputs");
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return abs(length(v) - static_cast<T>(1)) <= static_cast<T>(2) * epsilon;
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}
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template <typename T>
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GLM_FUNC_QUALIFIER detail::tvec2<bool> isCompNull
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_QUALIFIER bool isNull
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(
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detail::tvec2<T> const & v,
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vecType<T, P> const & v,
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T const & epsilon
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)
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{
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GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isNull' only accept floating-point inputs");
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return length(v) <= epsilon;
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}
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_QUALIFIER vecType<bool, P> isCompNull
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(
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vecType<T, P> const & v,
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T const & epsilon
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)
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{
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GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isCompNull' only accept floating-point inputs");
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return detail::compute_isCompNull<T, P, vecType>::call(v, epsilon);
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}
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template <typename T, precision P>
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GLM_FUNC_QUALIFIER tvec2<bool, P> isCompNull
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(
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tvec2<T, P> const & v,
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T const & epsilon)
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{
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return detail::tvec2<bool>(
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(abs(v.x) < epsilon),
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(abs(v.y) < epsilon));
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return tvec2<bool, P>(
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abs(v.x) < epsilon,
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abs(v.y) < epsilon);
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}
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template <typename T>
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GLM_FUNC_QUALIFIER detail::tvec3<bool> isCompNull
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template <typename T, precision P>
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GLM_FUNC_QUALIFIER tvec3<bool, P> isCompNull
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(
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detail::tvec3<T> const & v,
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tvec3<T, P> const & v,
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T const & epsilon
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)
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{
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return detail::tvec3<bool>(
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return tvec3<bool, P>(
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abs(v.x) < epsilon,
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abs(v.y) < epsilon,
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abs(v.z) < epsilon);
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}
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template <typename T>
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GLM_FUNC_QUALIFIER detail::tvec4<bool> isCompNull
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template <typename T, precision P>
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GLM_FUNC_QUALIFIER tvec4<bool, P> isCompNull
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(
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detail::tvec4<T> const & v,
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tvec4<T, P> const & v,
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T const & epsilon
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)
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{
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return detail::tvec4<bool>(
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return tvec4<bool, P>(
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abs(v.x) < epsilon,
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abs(v.y) < epsilon,
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abs(v.z) < epsilon,
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abs(v.w) < epsilon);
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}
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template <typename genType>
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template <typename T, precision P, template <typename, precision> class vecType>
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GLM_FUNC_QUALIFIER bool areOrthonormal
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(
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genType const & v0,
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genType const & v1,
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typename genType::value_type const & epsilon
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vecType<T, P> const & v0,
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vecType<T, P> const & v1,
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T const & epsilon
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)
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{
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return isNormalized(v0, epsilon) && isNormalized(v1, epsilon) && (abs(dot(v0, v1)) <= epsilon);
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