Sphere.hh

/**********************************************************************
 * blaRAY -- photon mapper/raytracer
 * (C) 2008 by Tomasz bla Fortuna <bla@thera.be>, <bla@af.gliwice.pl>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * any later version.
 *
 * See Docs/LICENSE
 *********************/

#ifndef _SPHERE_H_
#define _SPHERE_H_

#include <iostream>
#include <string>

#include "World/Object.hh"

namespace World {
        class Sphere : public Object {
        protected:
                Math::Vector Center;

                Double Radius;

                virtual std::string Dump() const;
        public:
                Sphere(const Math::Vector &Center,
                       Double Radius,
                       const Material &M = MatLib::Red(), 
                       Bool Visible = true)
                        : Object(M, Visible), 
                          Center(Center), Radius(Radius)
                {
                }

                virtual Bool Collide(const Render::Ray &R, Double &RayPos) const;
                virtual Math::Vector NormalAt(const Math::Vector &Point) const;
                virtual Math::Point UVAt(const Math::Vector &Point) const;

        };
};

#endif

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