ViewingParameters.h

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/*
-----------------------------------------------------------------------------
This source file is part of FRAPPER
research.animationsinstitut.de
sourceforge.net/projects/frapper

Copyright (c) 2008-2009 Filmakademie Baden-Wuerttemberg, Institute of Animation 

This program is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free Software
Foundation; version 2.1 of the License.

This program 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA, or go to
http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
-----------------------------------------------------------------------------
*/


#ifndef VIEWINGPARAMETERS_H
#define VIEWINGPARAMETERS_H

#include "Node.h"
#include <Ogre.h>
#if (OGRE_PLATFORM  == OGRE_PLATFORM_WIN32)
#include <windows.h>
#endif

namespace Frapper {

class FRAPPER_CORE_EXPORT ViewingParameters
{

public: // constructors and destructors

    ViewingParameters ();

    ~ViewingParameters ();

public: // functions

    void reset ();

    void translate ( float dx, float dy );

    void rotate ( float dPhi, float dTheta );

    void dolly ( float delta, bool wheel = false );

    void update ();

    void applyTo ( ViewingParameters *viewingParameters );

    void applyTo ( Node *node );

    void applyTo ( Ogre::SceneNode *sceneNode, bool lookAtOrigin = false, bool center = false );

    void applyTo ( Ogre::Camera *camera );

    void applyFrom ( Node *node );

    unsigned int getCanvasWidth () const;

    unsigned int getCanvasHeight () const;

    void setCanvasSize ( unsigned int width, unsigned int height );

private: // data

    Ogre::Real m_viewRadius;

    Ogre::Degree m_viewAnglePhi;

    Ogre::Degree m_viewAngleTheta;

    Ogre::Vector3 m_eye;

    Ogre::Vector3 m_center;

    Ogre::Vector3 m_up;

    Ogre::Radian m_fieldOfView;

    Ogre::Real m_nearClipping;

    Ogre::Real m_farClipping;

    unsigned int m_canvasWidth;

    unsigned int m_canvasHeight;

};

} // end namespace Frapper

#endif