From 74c6854fd8dcbaee736ac0421805ff1e03c4a1e2 Mon Sep 17 00:00:00 2001 From: iamn1ck Date: Sun, 19 Feb 2017 07:00:34 -0600 Subject: -quadtree and opengl rendering are now in the master branch ! -using sdl_rect for location and size ended up being not so great due to it not having floats, so we reverted back to using location -much, much refractoring is now needed --- inc/glm/gtx/vector_query.inl | 222 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 222 insertions(+) create mode 100644 inc/glm/gtx/vector_query.inl (limited to 'inc/glm/gtx/vector_query.inl') diff --git a/inc/glm/gtx/vector_query.inl b/inc/glm/gtx/vector_query.inl new file mode 100644 index 0000000..ad6a407 --- /dev/null +++ b/inc/glm/gtx/vector_query.inl @@ -0,0 +1,222 @@ +/////////////////////////////////////////////////////////////////////////////////// +/// OpenGL Mathematics (glm.g-truc.net) +/// +/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net) +/// Permission is hereby granted, free of charge, to any person obtaining a copy +/// of this software and associated documentation files (the "Software"), to deal +/// in the Software without restriction, including without limitation the rights +/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +/// copies of the Software, and to permit persons to whom the Software is +/// furnished to do so, subject to the following conditions: +/// +/// The above copyright notice and this permission notice shall be included in +/// all copies or substantial portions of the Software. +/// +/// Restrictions: +/// By making use of the Software for military purposes, you choose to make +/// a Bunny unhappy. +/// +/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +/// THE SOFTWARE. +/// +/// @ref gtx_vector_query +/// @file glm/gtx/vector_query.inl +/// @date 2008-03-10 / 2011-06-07 +/// @author Christophe Riccio +/////////////////////////////////////////////////////////////////////////////////// + +#include + +namespace glm{ +namespace detail +{ + template class vecType> + struct compute_areCollinear{}; + + template + struct compute_areCollinear + { + GLM_FUNC_QUALIFIER static bool call(tvec2 const & v0, tvec2 const & v1, T const & epsilon) + { + return length(cross(tvec3(v0, static_cast(0)), tvec3(v1, static_cast(0)))) < epsilon; + } + }; + + template + struct compute_areCollinear + { + GLM_FUNC_QUALIFIER static bool call(tvec3 const & v0, tvec3 const & v1, T const & epsilon) + { + return length(cross(v0, v1)) < epsilon; + } + }; + + template + struct compute_areCollinear + { + GLM_FUNC_QUALIFIER static bool call(tvec4 const & v0, tvec4 const & v1, T const & epsilon) + { + return length(cross(tvec3(v0), tvec3(v1))) < epsilon; + } + }; + + template class vecType> + struct compute_isCompNull{}; + + template + struct compute_isCompNull + { + GLM_FUNC_QUALIFIER static tvec2 call(tvec2 const & v, T const & epsilon) + { + return tvec2( + (abs(v.x) < epsilon), + (abs(v.y) < epsilon)); + } + }; + + template + struct compute_isCompNull + { + GLM_FUNC_QUALIFIER static tvec3 call(tvec3 const & v, T const & epsilon) + { + return tvec3( + (abs(v.x) < epsilon), + (abs(v.y) < epsilon), + (abs(v.z) < epsilon)); + } + }; + + template + struct compute_isCompNull + { + GLM_FUNC_QUALIFIER static tvec4 call(tvec4 const & v, T const & epsilon) + { + return tvec4( + (abs(v.x) < epsilon), + (abs(v.y) < epsilon), + (abs(v.z) < epsilon), + (abs(v.w) < epsilon)); + } + }; + +}//namespace detail + + template class vecType> + GLM_FUNC_QUALIFIER bool areCollinear + ( + vecType const & v0, + vecType const & v1, + T const & epsilon + ) + { + GLM_STATIC_ASSERT(std::numeric_limits::is_iec559, "'areCollinear' only accept floating-point inputs"); + + return detail::compute_areCollinear::call(v0, v1, epsilon); + } + + template class vecType> + GLM_FUNC_QUALIFIER bool areOrthogonal + ( + vecType const & v0, + vecType const & v1, + T const & epsilon + ) + { + GLM_STATIC_ASSERT(std::numeric_limits::is_iec559, "'areOrthogonal' only accept floating-point inputs"); + + return abs(dot(v0, v1)) <= max( + static_cast(1), + length(v0)) * max(static_cast(1), length(v1)) * epsilon; + } + + template class vecType> + GLM_FUNC_QUALIFIER bool isNormalized + ( + vecType const & v, + T const & epsilon + ) + { + GLM_STATIC_ASSERT(std::numeric_limits::is_iec559, "'isNormalized' only accept floating-point inputs"); + + return abs(length(v) - static_cast(1)) <= static_cast(2) * epsilon; + } + + template class vecType> + GLM_FUNC_QUALIFIER bool isNull + ( + vecType const & v, + T const & epsilon + ) + { + GLM_STATIC_ASSERT(std::numeric_limits::is_iec559, "'isNull' only accept floating-point inputs"); + + return length(v) <= epsilon; + } + + template class vecType> + GLM_FUNC_QUALIFIER vecType isCompNull + ( + vecType const & v, + T const & epsilon + ) + { + GLM_STATIC_ASSERT(std::numeric_limits::is_iec559, "'isCompNull' only accept floating-point inputs"); + + return detail::compute_isCompNull::call(v, epsilon); + } + + template + GLM_FUNC_QUALIFIER tvec2 isCompNull + ( + tvec2 const & v, + T const & epsilon) + { + return tvec2( + abs(v.x) < epsilon, + abs(v.y) < epsilon); + } + + template + GLM_FUNC_QUALIFIER tvec3 isCompNull + ( + tvec3 const & v, + T const & epsilon + ) + { + return tvec3( + abs(v.x) < epsilon, + abs(v.y) < epsilon, + abs(v.z) < epsilon); + } + + template + GLM_FUNC_QUALIFIER tvec4 isCompNull + ( + tvec4 const & v, + T const & epsilon + ) + { + return tvec4( + abs(v.x) < epsilon, + abs(v.y) < epsilon, + abs(v.z) < epsilon, + abs(v.w) < epsilon); + } + + template class vecType> + GLM_FUNC_QUALIFIER bool areOrthonormal + ( + vecType const & v0, + vecType const & v1, + T const & epsilon + ) + { + return isNormalized(v0, epsilon) && isNormalized(v1, epsilon) && (abs(dot(v0, v1)) <= epsilon); + } + +}//namespace glm -- cgit v1.2.3