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72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
///////////////////////////////////////////////////////////////////////////////////////////////////
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// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Created : 2005-12-30
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// Updated : 2006-11-13
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// Licence : This source is under MIT License
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// File : glm/gtx/vector_angle.hpp
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Dependency:
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// - GLM core
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// - GLM_GTX_quaternion
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// - GLM_GTX_epsilon
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///////////////////////////////////////////////////////////////////////////////////////////////////
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#ifndef glm_gtx_vector_angle
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#define glm_gtx_vector_angle
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// Dependency:
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#include "../glm.hpp"
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#include "../gtx/epsilon.hpp"
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#include "../gtx/quaternion.hpp"
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#include "../gtx/rotate_vector.hpp"
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#if(defined(GLM_MESSAGES) && !defined(glm_ext))
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# pragma message("GLM: GLM_GTX_vector_angle extension included")
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#endif
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namespace glm{
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namespace gtx{
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namespace vector_angle ///< GLM_GTX_vector_angle extension: Compute angle between vectors
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{
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using namespace quaternion;
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using namespace epsilon;
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/// \addtogroup gtx_vector_angle
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///@{
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//! Returns the absolute angle between two vectors
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//! Parameters need to be normalized.
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//! From GLM_GTX_vector_angle extension
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template <typename vecType>
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GLM_FUNC_QUALIFIER typename vecType::value_type angle(
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vecType const & x,
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vecType const & y);
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//! Returns the oriented angle between two 2d vectors
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//! Parameters need to be normalized.
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//! From GLM_GTX_vector_angle extension.
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template <typename T>
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GLM_FUNC_QUALIFIER T orientedAngle(
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detail::tvec2<T> const & x,
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detail::tvec2<T> const & y);
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//! Returns the oriented angle between two 3d vectors based from a reference axis.
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//! Parameters need to be normalized.
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//! From GLM_GTX_vector_angle extension.
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template <typename T>
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GLM_FUNC_QUALIFIER T orientedAngle(
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detail::tvec3<T> const & x,
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detail::tvec3<T> const & y,
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detail::tvec3<T> const & ref);
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/// @}
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}// namespace vector_angle
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}// namespace gtx
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}// namespace glm
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#include "vector_angle.inl"
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namespace glm{using namespace gtx::vector_angle;}
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#endif//glm_gtx_vector_angle
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