//
//  glgrav - OpenGL N-Body gravity simulator
//
//  Copyright (C) 2003  Ian Cowburn (ianc@noddybox.demon.co.uk)
//
//  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//  -------------------------------------------------------------------------
//
//  Camera handling
//
// $Id$
//
#ifndef CAMERA_H

#define CAMERA_H

#include "global.h"
#include "matrix.h"

class Camera
    {
    public:
    	Camera();
	virtual ~Camera();

	// Initially the camera always looks along the Z axis
	//
	void setPos(GLfloat x, GLfloat y, GLfloat z);

	void addSpeed(GLfloat speed);
	void roll(double angle);
	void pitch(double angle);

	void setView() const;

    private:
    	GLfloat	px,py,pz;
	Matrix	direction;
	Matrix	left;
	Matrix	up;
    };

#endif

// END OF FILE //