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diff --git a/src/glm/gtx/intersect.hpp b/src/glm/gtx/intersect.hpp
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+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2007-04-03
+// Updated : 2009-01-20
+// Licence : This source is under MIT License
+// File    : glm/gtx/intersect.hpp
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Dependency:
+// - GLM core
+// - GLM_GTX_closest_point
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+#ifndef glm_gtx_intersect
+#define glm_gtx_intersect
+
+// Dependency:
+#include "../glm.hpp"
+#include "../gtx/closest_point.hpp"
+
+#if(defined(GLM_MESSAGES) && !defined(glm_ext))
+#	pragma message("GLM: GLM_GTX_closest_point extension included")
+#endif
+
+namespace glm{
+namespace gtx{
+namespace intersect	///< GLM_GTX_intersect extension: Add intersection functions
+{
+	/// \addtogroup gtx_intersect
+	/// @{
+
+	//! Compute the intersection of a ray and a triangle.
+	//! From GLM_GTX_intersect extension.
+	template <typename genType>
+	bool intersectRayTriangle(
+		genType const & orig, genType const & dir,
+		genType const & vert0, genType const & vert1, genType const & vert2,
+		genType & baryPosition);
+
+    //! Compute the intersection of a line and a triangle.
+	//! From GLM_GTX_intersect extension.
+	template <typename genType>
+	bool intersectLineTriangle(
+		genType const & orig, genType const & dir,
+		genType const & vert0, genType const & vert1, genType const & vert2,
+		genType & position);
+
+    //! Compute the intersection of a ray and a sphere.
+	//! From GLM_GTX_intersect extension.
+	template <typename genType>
+	bool intersectRaySphere(
+		genType const & orig, genType const & dir,
+		genType const & center, typename genType::value_type radius,
+		genType & position, genType & normal);
+
+    //! Compute the intersection of a line and a sphere.
+	//! From GLM_GTX_intersect extension
+	template <typename genType>
+	bool intersectLineSphere(
+		genType const & point0, genType const & point1,
+		genType const & center, typename genType::value_type radius,
+		genType & position, genType & normal);
+
+	/// @}
+}//namespace intersect
+}//namespace gtx
+}//namespace glm
+
+#include "intersect.inl"
+
+namespace glm{using namespace gtx::intersect;}
+
+#endif//glm_gtx_intersect