64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
/// @ref gtx_vector_angle
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/// @file glm/gtx/vector_angle.hpp
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///
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/// @see core (dependence)
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/// @see gtx_quaternion (dependence)
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/// @see gtx_epsilon (dependence)
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///
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/// @defgroup gtx_vector_angle GLM_GTX_vector_angle
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/// @ingroup gtx
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///
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/// @brief Compute angle between vectors
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///
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/// <glm/gtx/vector_angle.hpp> need to be included to use these functionalities.
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#pragma once
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// Dependency:
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#include "../glm.hpp"
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#include "../gtc/epsilon.hpp"
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#include "../gtx/quaternion.hpp"
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#include "../gtx/rotate_vector.hpp"
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#ifndef GLM_ENABLE_EXPERIMENTAL
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# error "GLM: GLM_GTX_vector_angle is an experimental extension and may change in the future. Use #define GLM_ENABLE_EXPERIMENTAL before including it, if you really want to use it."
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#endif
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#if GLM_MESSAGES == GLM_MESSAGES_ENABLED && !defined(GLM_EXT_INCLUDED)
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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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{
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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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/// @see gtx_vector_angle extension.
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template<typename vecType>
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GLM_FUNC_DECL 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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/// @see gtx_vector_angle extension.
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template<typename T, precision P>
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GLM_FUNC_DECL T orientedAngle(
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vec<2, T, P> const & x,
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vec<2, T, P> 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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/// @see gtx_vector_angle extension.
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template<typename T, precision P>
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GLM_FUNC_DECL T orientedAngle(
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vec<3, T, P> const & x,
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vec<3, T, P> const & y,
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vec<3, T, P> const & ref);
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/// @}
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}// namespace glm
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#include "vector_angle.inl"
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