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/detail/func_geometric.hpp | 142 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 142 insertions(+) create mode 100644 inc/glm/detail/func_geometric.hpp (limited to 'inc/glm/detail/func_geometric.hpp') diff --git a/inc/glm/detail/func_geometric.hpp b/inc/glm/detail/func_geometric.hpp new file mode 100644 index 0000000..6d97b09 --- /dev/null +++ b/inc/glm/detail/func_geometric.hpp @@ -0,0 +1,142 @@ +/////////////////////////////////////////////////////////////////////////////////// +/// 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 core +/// @file glm/detail/func_geometric.hpp +/// @date 2008-08-03 / 2011-06-14 +/// @author Christophe Riccio +/// +/// @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. +/////////////////////////////////////////////////////////////////////////////////// + +#pragma once + +#include "type_vec3.hpp" + +namespace glm +{ + /// @addtogroup core_func_geometric + /// @{ + + /// Returns the length of x, i.e., sqrt(x * x). + /// + /// @tparam genType Floating-point vector types. + /// + /// @see GLSL length man page + /// @see GLSL 4.20.8 specification, section 8.5 Geometric Functions + template class vecType> + GLM_FUNC_DECL T length( + vecType const & x); + + /// Returns the distance betwwen p0 and p1, i.e., length(p0 - p1). + /// + /// @tparam genType Floating-point vector types. + /// + /// @see GLSL distance man page + /// @see GLSL 4.20.8 specification, section 8.5 Geometric Functions + template class vecType> + GLM_FUNC_DECL T distance( + vecType const & p0, + vecType const & p1); + + /// Returns the dot product of x and y, i.e., result = x * y. + /// + /// @tparam genType Floating-point vector types. + /// + /// @see GLSL dot man page + /// @see GLSL 4.20.8 specification, section 8.5 Geometric Functions + template class vecType> + GLM_FUNC_DECL T dot( + vecType const & x, + vecType const & y); + + /// Returns the cross product of x and y. + /// + /// @tparam valType Floating-point scalar types. + /// + /// @see GLSL cross man page + /// @see GLSL 4.20.8 specification, section 8.5 Geometric Functions + template + GLM_FUNC_DECL tvec3 cross( + tvec3 const & x, + tvec3 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. + /// + /// @see GLSL normalize man page + /// @see GLSL 4.20.8 specification, section 8.5 Geometric Functions + template class vecType> + GLM_FUNC_DECL vecType normalize( + vecType const & x); + + /// If dot(Nref, I) < 0.0, return N, otherwise, return -N. + /// + /// @tparam genType Floating-point vector types. + /// + /// @see GLSL faceforward man page + /// @see GLSL 4.20.8 specification, section 8.5 Geometric Functions + template class vecType> + GLM_FUNC_DECL vecType faceforward( + vecType const & N, + vecType const & I, + vecType const & Nref); + + /// For the incident vector I and surface orientation N, + /// returns the reflection direction : result = I - 2.0 * dot(N, I) * N. + /// + /// @tparam genType Floating-point vector types. + /// + /// @see GLSL reflect man page + /// @see GLSL 4.20.8 specification, section 8.5 Geometric Functions + template + GLM_FUNC_DECL genType reflect( + genType const & I, + genType const & N); + + /// For the incident vector I and surface normal N, + /// and the ratio of indices of refraction eta, + /// return the refraction vector. + /// + /// @tparam genType Floating-point vector types. + /// + /// @see GLSL refract man page + /// @see GLSL 4.20.8 specification, section 8.5 Geometric Functions + template class vecType> + GLM_FUNC_DECL vecType refract( + vecType const & I, + vecType const & N, + T eta); + + /// @} +}//namespace glm + +#include "func_geometric.inl" -- cgit v1.2.3