From c068f22329d5cc722622a2183bbb22eef2093df7 Mon Sep 17 00:00:00 2001 From: Felix Morgner Date: Mon, 24 Aug 2026 11:16:07 +0200 Subject: initial import --- src/libraries/glm/gtx/quaternion.hpp | 196 +++++++++++++++++++++++++++++++++++ 1 file changed, 196 insertions(+) create mode 100755 src/libraries/glm/gtx/quaternion.hpp (limited to 'src/libraries/glm/gtx/quaternion.hpp') diff --git a/src/libraries/glm/gtx/quaternion.hpp b/src/libraries/glm/gtx/quaternion.hpp new file mode 100755 index 0000000..9894938 --- /dev/null +++ b/src/libraries/glm/gtx/quaternion.hpp @@ -0,0 +1,196 @@ +/////////////////////////////////////////////////////////////////////////////////// +/// OpenGL Mathematics (glm.g-truc.net) +/// +/// Copyright (c) 2005 - 2012 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. +/// +/// 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_quaternion +/// @file glm/gtx/quaternion.hpp +/// @date 2005-12-21 / 2011-06-07 +/// @author Christophe Riccio +/// +/// @see core (dependence) +/// @see gtx_extented_min_max (dependence) +/// +/// @defgroup gtx_quaternion GLM_GTX_quaternion +/// @ingroup gtx +/// +/// @brief Extented quaternion types and functions +/// +/// need to be included to use these functionalities. +/////////////////////////////////////////////////////////////////////////////////// + +#ifndef GLM_GTX_quaternion +#define GLM_GTX_quaternion GLM_VERSION + +// Dependency: +#include "../glm.hpp" +#include "../gtc/quaternion.hpp" + +#if(defined(GLM_MESSAGES) && !defined(glm_ext)) +# pragma message("GLM: GLM_GTX_quaternion extension included") +#endif + +namespace glm +{ + /// @addtogroup gtx_quaternion + /// @{ + + //! Compute a cross product between a quaternion and a vector. + /// + /// @see gtx_quaternion + template + detail::tvec3 cross( + detail::tquat const & q, + detail::tvec3 const & v); + + //! Compute a cross product between a vector and a quaternion. + /// + /// @see gtx_quaternion + template + detail::tvec3 cross( + detail::tvec3 const & v, + detail::tquat const & q); + + //! Compute a point on a path according squad equation. + //! q1 and q2 are control points; s1 and s2 are intermediate control points. + /// + /// @see gtx_quaternion + template + detail::tquat squad( + detail::tquat const & q1, + detail::tquat const & q2, + detail::tquat const & s1, + detail::tquat const & s2, + valType const & h); + + //! Returns an intermediate control point for squad interpolation. + /// + /// @see gtx_quaternion + template + detail::tquat intermediate( + detail::tquat const & prev, + detail::tquat const & curr, + detail::tquat const & next); + + //! Returns a exp of a quaternion. + /// + /// @see gtx_quaternion + template + detail::tquat exp( + detail::tquat const & q, + valType const & exponent); + + //! Returns a log of a quaternion. + /// + /// @see gtx_quaternion + template + detail::tquat log( + detail::tquat const & q); + + /// Returns x raised to the y power. + /// + /// @see gtx_quaternion + template + detail::tquat pow( + detail::tquat const & x, + valType const & y); + + //! Returns quarternion square root. + /// + /// @see gtx_quaternion + //template + //detail::tquat sqrt( + // detail::tquat const & q); + + //! Rotates a 3 components vector by a quaternion. + /// + /// @see gtx_quaternion + template + detail::tvec3 rotate( + detail::tquat const & q, + detail::tvec3 const & v); + + /// Rotates a 4 components vector by a quaternion. + /// + /// @see gtx_quaternion + template + detail::tvec4 rotate( + detail::tquat const & q, + detail::tvec4 const & v); + + /// Extract the real component of a quaternion. + /// + /// @see gtx_quaternion + template + valType extractRealComponent( + detail::tquat const & q); + + /// Converts a quaternion to a 3 * 3 matrix. + /// + /// @see gtx_quaternion + template + detail::tmat3x3 toMat3( + detail::tquat const & x){return mat3_cast(x);} + + /// Converts a quaternion to a 4 * 4 matrix. + /// + /// @see gtx_quaternion + template + detail::tmat4x4 toMat4( + detail::tquat const & x){return mat4_cast(x);} + + /// Converts a 3 * 3 matrix to a quaternion. + /// + /// @see gtx_quaternion + template + detail::tquat toQuat( + detail::tmat3x3 const & x){return quat_cast(x);} + + /// Converts a 4 * 4 matrix to a quaternion. + /// + /// @see gtx_quaternion + template + detail::tquat toQuat( + detail::tmat4x4 const & x){return quat_cast(x);} + + /// Quaternion interpolation using the rotation short path. + /// + /// @see gtx_quaternion + template + detail::tquat shortMix( + detail::tquat const & x, + detail::tquat const & y, + T const & a); + + /// Quaternion normalized linear interpolation. + /// + /// @see gtx_quaternion + template + detail::tquat fastMix( + detail::tquat const & x, + detail::tquat const & y, + T const & a); + + /// @} +}//namespace glm + +#include "quaternion.inl" + +#endif//GLM_GTX_quaternion -- cgit v1.2.3