iframeworkapp.h

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/*
    Sheep - A Rigid Body Dynamics Engine
    Copyright (C) 2001-2004 Francois Beaune
    Contact: http://toxicengine.sourceforge.net/

    This file is part of Sheep.

    Sheep 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 2 of the License, or
    (at your option) any later version.

    Sheep is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with Sheep; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#ifndef SHEEP_IFRAMEWORKAPP_FRAMEWORK_H
#define SHEEP_IFRAMEWORKAPP_FRAMEWORK_H

#include "common/math/real.h"
#include "sceneorbiter.h"

namespace sheep {

    const Real THINK_RATE = 60.0;
    const Real FRAME_RATE = 60.0;

    const Real DEFAULT_AZIMUTH = PI / 4.0;
    const Real DEFAULT_ELEVATION = PI / 4.0;
    const Real DEFAULT_DISTANCE = 10.0;

    class RigidBody;

    class IFrameworkApp {
    public:
        SceneOrbiter m_orbiter;

        //! The application should make no assumption about
        //! the OpenGL state at construction.
        IFrameworkApp();
        virtual ~IFrameworkApp() = 0 {}

        //! This method provides the application a way to display a help screen
        //! or any other message. It is called on program startup and each time
        //! the 'h' key is pressed.
        virtual void PrintHelp() {}

        virtual void KeyPressed(unsigned char key) {}

        virtual void Think() {} //!\todo Rename to Animate().
        virtual void Render() {}

        virtual void Reshape(int width, int height);

        static void TransformTo(const RigidBody *body);

    protected:
    };

}

sheep::IFrameworkApp *new_frameworkapp(int argc, char **argv);

#endif  // !SHEEP_IFRAMEWORKAPP_FRAMEWORK_H

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