chasecamera.h

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/***************************************************************************
 *   Copyright (C) 2004-2005 by Reality Rift Studios                       *
 *   http://www.realityrift.com  -  mattias@realityrift.com                *
 *                                                                         *
 *   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 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   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 General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
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 ***************************************************************************/

#ifndef neo_scene_chasecamera_h
#define neo_scene_chasecamera_h

#include "../core/platform.h"

#if NEO_ENABLE_SCENE

#include "camera.h"

namespace neo {
namespace scene {


class ChaseCamera : public Camera
{
    public:


                                                            ChaseCamera( const std::string& name );

    virtual                                                ~ChaseCamera();


    Object*                                                 setTarget( Object* p_object );


    Object*                                                 setTargetByName( const std::string& object );


    inline Object*                                          getTarget();


    virtual void                                            update( float dt );


    virtual void                                            rotate( float azimuth, float polar );


    virtual void                                            zoom( float radius );


    virtual void                                            pan( const math::Vector3& offset );


    virtual void                                            setSensitivity( float pan, float zoom, float rotate );


    void                                                    setRadius( float radius );
    

    void                                                    setRotation( float azimuth, float polar );
    

    void                                                    setOffset( const math::Vector3& offset );


    inline float                                            getRadius() const;


    inline float                                            getRotationAzimuth() const;
    

    inline float                                            getRotationPolar() const;


    inline const math::Vector3&                             getOffset() const;


    inline float                                            getSensitivityPan() const;
    

    inline float                                            getSensitivityZoom() const;
    

    inline float                                            getSensitivityRotate() const;
    

    virtual ChaseCamera*                                    clone() const;
    

    virtual void                                            set( const core::HashString& name, const core::Any& data );
    

    virtual const core::Any&                                get( const core::HashString& name );
    
    protected:

    Object*                                                 _p_target;
    
    std::string                                             _target;

    math::Vector3                                           _offset;

    float                                                   _sensPan;

    float                                                   _sensZoom;

    float                                                   _sensRotation;

    float                                                   _radius;

    float                                                   _azimuth;
    
    float                                                   _polar;

    void                                                    copyFrom( const ChaseCamera& obj );
};

#include "chasecamera.inl"

}
}

#endif

#endif

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