93 lines
3.3 KiB
C++
93 lines
3.3 KiB
C++
/// @ref gtx_intersect
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/// @file glm/gtx/intersect.hpp
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///
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/// @see core (dependence)
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/// @see gtx_closest_point (dependence)
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///
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/// @defgroup gtx_intersect GLM_GTX_intersect
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/// @ingroup gtx
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///
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/// @brief Add intersection functions
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///
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/// <glm/gtx/intersect.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 <cfloat>
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#include <limits>
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#include "../glm.hpp"
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#include "../geometric.hpp"
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#include "../gtx/closest_point.hpp"
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#include "../gtx/vector_query.hpp"
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#ifndef GLM_ENABLE_EXPERIMENTAL
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# error "GLM: GLM_GTX_closest_point 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_closest_point extension included")
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#endif
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namespace glm
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{
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/// @addtogroup gtx_intersect
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/// @{
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//! Compute the intersection of a ray and a plane.
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//! Ray direction and plane normal must be unit length.
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//! From GLM_GTX_intersect extension.
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template<typename genType>
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GLM_FUNC_DECL bool intersectRayPlane(
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genType const & orig, genType const & dir,
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genType const & planeOrig, genType const & planeNormal,
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typename genType::value_type & intersectionDistance);
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//! Compute the intersection of a ray and a triangle.
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/// Based om Tomas Möller implementation http://fileadmin.cs.lth.se/cs/Personal/Tomas_Akenine-Moller/raytri/
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//! From GLM_GTX_intersect extension.
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template<typename T, precision P>
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GLM_FUNC_DECL bool intersectRayTriangle(
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vec<3, T, P> const& orig, vec<3, T, P> const& dir,
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vec<3, T, P> const& v0, vec<3, T, P> const& v1, vec<3, T, P> const& v2,
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vec<3, T, P>& baryPosition, T& distance);
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//! Compute the intersection of a line and a triangle.
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//! From GLM_GTX_intersect extension.
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template<typename genType>
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GLM_FUNC_DECL bool intersectLineTriangle(
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genType const & orig, genType const & dir,
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genType const & vert0, genType const & vert1, genType const & vert2,
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genType & position);
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//! Compute the intersection distance of a ray and a sphere.
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//! The ray direction vector is unit length.
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//! From GLM_GTX_intersect extension.
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template<typename genType>
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GLM_FUNC_DECL bool intersectRaySphere(
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genType const & rayStarting, genType const & rayNormalizedDirection,
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genType const & sphereCenter, typename genType::value_type const sphereRadiusSquered,
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typename genType::value_type & intersectionDistance);
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//! Compute the intersection of a ray and a sphere.
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//! From GLM_GTX_intersect extension.
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template<typename genType>
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GLM_FUNC_DECL bool intersectRaySphere(
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genType const & rayStarting, genType const & rayNormalizedDirection,
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genType const & sphereCenter, const typename genType::value_type sphereRadius,
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genType & intersectionPosition, genType & intersectionNormal);
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//! Compute the intersection of a line and a sphere.
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//! From GLM_GTX_intersect extension
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template<typename genType>
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GLM_FUNC_DECL bool intersectLineSphere(
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genType const & point0, genType const & point1,
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genType const & sphereCenter, typename genType::value_type sphereRadius,
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genType & intersectionPosition1, genType & intersectionNormal1,
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genType & intersectionPosition2 = genType(), genType & intersectionNormal2 = genType());
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/// @}
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}//namespace glm
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#include "intersect.inl"
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