57 lines
1.7 KiB
C++
57 lines
1.7 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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/// Include <glm/gtx/vector_angle.hpp> to use the features of this extension.
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///
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/// Compute angle between vectors
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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_ENABLE && !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<length_t L, typename T, qualifier Q>
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GLM_FUNC_DECL T angle(vec<L, T, Q> const& x, vec<L, T, Q> 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, qualifier Q>
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GLM_FUNC_DECL T orientedAngle(vec<2, T, Q> const& x, vec<2, T, Q> 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, qualifier Q>
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GLM_FUNC_DECL T orientedAngle(vec<3, T, Q> const& x, vec<3, T, Q> const& y, vec<3, T, Q> const& ref);
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/// @}
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}// namespace glm
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#include "vector_angle.inl"
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