/* libsegl - Sebas Extended GL Library
 *           Collection of Opengl/3D-Math helpers
 *
 *      Copyright (c) 2008 by Sebastian Lohff, seba@seba-geek.de
 *      http://www.seba-geek.de
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 * 
 * This library 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 Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 * Boston, MA  02110-1301, USA.
 */

#ifndef __GLCAMERA_H
#define __GLCAMERA_H

#include <iostream>
#include <SDL.h>
#include <SDL_opengl.h>
#include "rotationsmatrix.h"
#include "emath_opengl.h"
#include "punkt3d.h"

namespace segl {

class GLCamera {
	private:
		Punkt3D std_dir;
		Punkt3D std_norm;
	
		Punkt3D pos;
		Punkt3D norm;
		Punkt3D dir;		// normalisiert
		
		float rotx;
		float roty;
		bool doupdate;
		
		float mpersec;
		float apersec;
		
		Rotationsmatrix rotmatX;
		Rotationsmatrix rotmatY;
		
		void updateVectors();
	public:
		GLCamera();
// 		GLCamera(Punkt3d
		
		void setCamera();
		void setPosDirNorm(Punkt3D p, Punkt3D D, Punkt3D n);
		
		// Std Move
		void moveForward(float sec);
		void moveBackward(float sec);
		void moveLeft(float sec);
		void moveRight(float sec);
		void rotateLeft(float sec);
		void rotateRight(float sec);
		void rotateUp(float sec);
		void rotateDown(float sec);
		
		void handleKeys(float sec);
		
		float getXrot();
		float getYrot();
		
		void print();
		void renderCoord();
		Punkt3D getPos();
		
		~GLCamera();
};

} // namespace segl {

#endif