////////////////////////////////////////////////////////////////////////////////
//
// Paella
// Copyright (C) 2015 - Thomas FORGIONE, Emilie JALRAS, Marion LENFANT, Thierry MALON, Amandine PAILLOUX
// Authors :
//     Thomas FORGIONE
//     Emilie JALRAS
//     Marion LENFANT
//     Thierry MALON
//     Amandine PAILLOUX
//
// This file is part of the project Paella
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
//    you must not claim that you wrote the original software.
//    If you use this software in a product, an acknowledgment
//    in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
//    and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
////////////////////////////////////////////////////////////////////////////////
#ifndef CAMERA_HPP
#define CAMERA_HPP

namespace sft
{
///////////////////////////////////////////////////////////
/// \ingroup sfmltools
/// \brief Interface for cameras
///////////////////////////////////////////////////////////
class Camera
{
    public:
        ///////////////////////////////////////////////////
        /// \brief look method
        ///
        /// calls gluLookAt with the good parameters
        ///////////////////////////////////////////////////
        virtual void look() const = 0;

        ///////////////////////////////////////////////////
        /// \brief compute the next step of the camera
        ///
        /// \param width width of the window
        /// \param height height of the window
        ///////////////////////////////////////////////////
        virtual void nextStep(int width, int height) = 0;
};

} // namespace sft

#endif