RayMini/Ray.h at master · elfprincexu/RayMini · GitHub

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// *********************************************************
// Ray Class
// Author : Tamy Boubekeur (boubek@gmail.com).
// Copyright (C) 2010 Tamy Boubekeur.
// All rights reserved.
// *********************************************************

#ifndef RAY_H
#define RAY_H

#include <iostream>
#include <vector>

#include "Vec3D.h"
#include "BoundingBox.h"
#include "Vertex.h"
#include "Surfel.h"

#define EPSILON     0.00000000000000000000001

class Ray {
public:
    inline Ray () {}
    inline Ray (const Vec3Df & origin, const Vec3Df & direction)
        : origin (origin), direction (direction) {}
    inline virtual ~Ray () {}

    inline const Vec3Df & getOrigin () const { return origin; }
    inline Vec3Df & getOrigin () { return origin; }
    inline const Vec3Df & getDirection () const { return direction; }
    inline Vec3Df & getDirection () { return direction; }

    bool intersect (const BoundingBox & bbox, Vec3Df & intersectionPoint) const;

    bool intersect (
        const Vertex&   v0,
        const Vertex&   v1,
        const Vertex&   v2,
        float&          t,
        float&          u,
        float&          v
    ) const;

    bool intersect (
        const Surfel&   iSurfel,
        Vec3Df&         oPosition
    ) const;

private:
    Vec3Df origin;
    Vec3Df direction;
};


#endif // RAY_H

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