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Camera.hpp

/*      Camera.hpp - Morpheous
 *
 *  $Header: /home/aldon/cvs/Morpheous/include/Camera.hpp,v 1.5 2003/08/21 01:56:02 aldon Exp $
 *
 *  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 Library 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */


#ifndef __CAMERA_HPP__
#define __CAMERA_HPP__


#include "Vector.hpp"
#include "Matrix.hpp"


class Camera
{
private:
    Vector position;

    Vector orientation;

    float focalLength;

    Matrix rotationMatrix;

    Matrix projectionMatrix;

    Matrix displayMatrix;

    float width;
    
    float height;


    float getAngle(float x, float y);


public:
    const Vector& getPosition() const;

    void setPosition(const Vector& newPosition);

    const Vector& getOrientation() const;

    void setOrientation(const Vector& newOrientation);
    
    void pointTo(const Vector& where);

    float getFocalLength() const;

    void setFocalLength(float newFocalLength);

    void setFieldOfView(float newFieldOfView);

    void makeProjectionMatrix();

    const Matrix& getProjectionMatrix() const;

    void makeRotationMatrix();

    const Matrix& getRotationMatrix() const;

    void makeDisplayMatrix();

    const Matrix& getDisplayMatrix() const;

    void setImageDimensions(float newWidth, float newHeight);
};


#endif // __CAMERA_HPP__

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