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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 M�ller 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 M�ller 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
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