RayTracer.h

// *********************************************************
// Ray Tracer Class
// Author : Tamy Boubekeur (boubek@gmail.com).
// Copyright (C) 2012 Tamy Boubekeur.
// All rights reserved.
// *********************************************************

#ifndef RAYTRACER_H
#define RAYTRACER_H

#include <iostream>
#include <vector>
#include <QImage>

#include "Vec3D.h"
#include "Triangle.h"

class RayTracer {
public:
    static RayTracer * getInstance ();
    static void destroyInstance ();

    inline const Vec3Df & getBackgroundColor () const { return backgroundColor;}
    inline void setBackgroundColor (const Vec3Df & c) { backgroundColor = c; }
    
    QImage render (const Vec3Df & camPos,
                   const Vec3Df & viewDirection,
                   const Vec3Df & upVector,
                   const Vec3Df & rightVector,
                   float fieldOfView,
                   float aspectRatio,
                   unsigned int screenWidth,
                   unsigned int screenHeight);
    
protected:
    inline RayTracer () {}
    inline virtual ~RayTracer () {}
    
private:
    Vec3Df backgroundColor;
};


#endif // RAYTRACER_H

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