diff options
Diffstat (limited to 'Project/glm/gtx/intersect.hpp')
| -rw-r--r-- | Project/glm/gtx/intersect.hpp | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/Project/glm/gtx/intersect.hpp b/Project/glm/gtx/intersect.hpp new file mode 100644 index 0000000..3c78f2b --- /dev/null +++ b/Project/glm/gtx/intersect.hpp @@ -0,0 +1,92 @@ +/// @ref gtx_intersect +/// @file glm/gtx/intersect.hpp +/// +/// @see core (dependence) +/// @see gtx_closest_point (dependence) +/// +/// @defgroup gtx_intersect GLM_GTX_intersect +/// @ingroup gtx +/// +/// Include <glm/gtx/intersect.hpp> to use the features of this extension. +/// +/// Add intersection functions + +#pragma once + +// Dependency: +#include <cfloat> +#include <limits> +#include "../glm.hpp" +#include "../geometric.hpp" +#include "../gtx/closest_point.hpp" +#include "../gtx/vector_query.hpp" + +#if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED) +# ifndef GLM_ENABLE_EXPERIMENTAL +# pragma message("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.") +# else +# pragma message("GLM: GLM_GTX_closest_point extension included") +# endif +#endif + +namespace glm +{ + /// @addtogroup gtx_intersect + /// @{ + + //! Compute the intersection of a ray and a plane. + //! Ray direction and plane normal must be unit length. + //! From GLM_GTX_intersect extension. + template<typename genType> + GLM_FUNC_DECL bool intersectRayPlane( + genType const& orig, genType const& dir, + genType const& planeOrig, genType const& planeNormal, + typename genType::value_type & intersectionDistance); + + //! Compute the intersection of a ray and a triangle. + /// Based om Tomas Möller implementation http://fileadmin.cs.lth.se/cs/Personal/Tomas_Akenine-Moller/raytri/ + //! From GLM_GTX_intersect extension. + template<typename T, qualifier Q> + GLM_FUNC_DECL bool intersectRayTriangle( + vec<3, T, Q> const& orig, vec<3, T, Q> const& dir, + vec<3, T, Q> const& v0, vec<3, T, Q> const& v1, vec<3, T, Q> const& v2, + vec<2, T, Q>& baryPosition, T& distance); + + //! Compute the intersection of a line and a triangle. + //! From GLM_GTX_intersect extension. + template<typename genType> + GLM_FUNC_DECL bool intersectLineTriangle( + genType const& orig, genType const& dir, + genType const& vert0, genType const& vert1, genType const& vert2, + genType & position); + + //! Compute the intersection distance of a ray and a sphere. + //! The ray direction vector is unit length. + //! From GLM_GTX_intersect extension. + template<typename genType> + GLM_FUNC_DECL bool intersectRaySphere( + genType const& rayStarting, genType const& rayNormalizedDirection, + genType const& sphereCenter, typename genType::value_type const sphereRadiusSquered, + typename genType::value_type & intersectionDistance); + + //! Compute the intersection of a ray and a sphere. + //! From GLM_GTX_intersect extension. + template<typename genType> + GLM_FUNC_DECL bool intersectRaySphere( + genType const& rayStarting, genType const& rayNormalizedDirection, + genType const& sphereCenter, const typename genType::value_type sphereRadius, + genType & intersectionPosition, genType & intersectionNormal); + + //! Compute the intersection of a line and a sphere. + //! From GLM_GTX_intersect extension + template<typename genType> + GLM_FUNC_DECL bool intersectLineSphere( + genType const& point0, genType const& point1, + genType const& sphereCenter, typename genType::value_type sphereRadius, + genType & intersectionPosition1, genType & intersectionNormal1, + genType & intersectionPosition2 = genType(), genType & intersectionNormal2 = genType()); + + /// @} +}//namespace glm + +#include "intersect.inl" |