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+/**
+ @file Intersect.h
+ 
+ @maintainer Morgan McGuire, http://graphics.cs.williams.edu
+  
+ @created 2009-06-29
+ @edited  2009-06-29
+
+ Copyright 2000-2009, Morgan McGuire.
+ All rights reserved.
+
+ From the G3D Innovation Engine
+ http://g3d.sf.net
+ */
+#ifndef G3D_Intersect
+#define G3D_Intersect
+
+#include "G3D/platform.h"
+#include "G3D/Ray.h"
+#include "G3D/AABox.h"
+
+namespace G3D {
+
+/**
+ @beta
+ */
+class Intersect {
+public:
+
+	/** \brief Returns true if the intersection of the ray and the solid box is non-empty. 
+
+      \cite "Fast Ray / Axis-Aligned Bounding Box Overlap Tests using Ray Slopes" 
+      by Martin Eisemann, Thorsten Grosch, Stefan Müller and Marcus Magnor
+      Computer Graphics Lab, TU Braunschweig, Germany and
+      University of Koblenz-Landau, Germany
+    */
+	static bool __fastcall rayAABox(const Ray& ray, const AABox& box);
+
+	/** \brief Returns true if the intersection of the ray and the solid box is non-empty. 
+	 
+     \param time If there is an intersection, set to the time to that intersection. If the ray origin is inside the box,
+     this is a negative value indicating the distance backwards from the ray origin to the first intersection.
+     \a time is not set if there is no intersection.
+          
+     \cite Slope-Mul method from "Fast Ray / Axis-Aligned Bounding Box Overlap Tests using Ray Slopes" 
+      by Martin Eisemann, Thorsten Grosch, Stefan Müller and Marcus Magnor
+      Computer Graphics Lab, TU Braunschweig, Germany and
+      University of Koblenz-Landau, Germany
+      */
+ 	static bool __fastcall rayAABox(const Ray& ray, const AABox& box, float& time);
+};
+
+}
+
+#endif