1 files changed, 92 insertions, 0 deletions
diff --git a/src/include/glm/gtx/intersect.hpp b/src/include/glm/gtx/intersect.hpp
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+++ b/src/include/glm/gtx/intersect.hpp
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+/// @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"