u_camera.h

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/* Copyright, 2001 Nevrax Ltd.
 *
 * This file is part of NEVRAX NEL.
 * NEVRAX NEL 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, or (at your option)
 * any later version.

 * NEVRAX NEL 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 NEVRAX NEL; see the file COPYING. If not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
 * MA 02111-1307, USA.
 */

#ifndef NL_U_CAMERA_H
#define NL_U_CAMERA_H

#include "nel/misc/types_nl.h"
#include "nel/3d/u_transform.h"
#include "nel/3d/frustum.h"


namespace NL3D
{


// ***************************************************************************
class UCamera : virtual public UTransform
{
protected:

        // @{
        UCamera() {}
        virtual ~UCamera() {}
        // @}

public:

        static const float              DefLx;          //=0.26f;
        static const float              DefLy;          //=0.2f;
        static const float              DefLzNear;      //=0.15f;
        static const float              DefLzFar;       //=1000.0f;


public:


        // @{
        virtual void            setFrustum(const CFrustum &f)=0;
        virtual const CFrustum& getFrustum() const =0;
        virtual void            setFrustum(float left, float right, float bottom, float top, float znear, float zfar, bool perspective= true)=0;
        virtual void            setFrustum(float width, float height, float znear, float zfar, bool perspective= true)=0;
        virtual void            getFrustum(float &left, float &right, float &bottom, float &top, float &znear, float &zfar) const =0;
        virtual bool            isOrtho() const =0;
        virtual bool            isPerspective() const =0;
        virtual void            setPerspective(float fov, float aspectRatio, float znear, float zfar) =0;
        // @}

        // @{
        virtual void            buildCameraPyramid(std::vector<NLMISC::CPlane>  &pyramid, bool useWorldMatrix) =0;
        // @}
        

};


} // NL3D


#endif // NL_U_CAMERA_H

/* End of u_camera.h */

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