/* 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 __PUNKT3D_h
#define __PUNKT3D_h

#include <iostream>
#include <cmath>
#include "emath.h"

namespace segl {

class Punkt3D {
	public:
		Punkt3D();
		Punkt3D(float, float, float);
		~Punkt3D() { }; 
		
		float x, y, z;
		
		void set(float, float, float);
		float abs() const;
		Punkt3D kreuzprodukt(const Punkt3D&) const;
		void normalize();
		Punkt3D getNormalized() const;
		bool isNormalized() const;
		float calcAngle(Punkt3D b) const;
		Punkt3D getOrtographic() const;
		Punkt3D getOrtographic2() const;
		
		void print(std::string="") const;
		
		
		// Operatoren
		Punkt3D operator+(const Punkt3D&) const;
		Punkt3D operator-(const Punkt3D&) const;
		Punkt3D& operator+=(const Punkt3D&);
		Punkt3D& operator-=(const Punkt3D&);
		
		Punkt3D operator+(const float&) const;
		Punkt3D operator-(const float&) const;
		Punkt3D operator*(const float&) const;
		Punkt3D operator/(const float&) const;
		Punkt3D& operator+=(const float&);
		Punkt3D& operator-=(const float&);
		Punkt3D& operator*=(const float&);
		Punkt3D& operator/=(const float&);
		
		float operator*(const Punkt3D&) const;
		
		Punkt3D operator-() const;

		bool operator==(const Punkt3D&) const;
		bool operator!=(const Punkt3D&) const;
		
		friend Punkt3D operator+(const float&, const Punkt3D&);
		friend Punkt3D operator-(const float&, const Punkt3D&);
		friend Punkt3D operator*(const float&, const Punkt3D&);
		friend Punkt3D operator/(const float&, const Punkt3D&);
		friend std::ostream &operator<<(std::ostream &ostr, const Punkt3D &r);
};

} // namespace segl

float abs(const segl::Punkt3D&);

// OpenGL-Functions for Punkt3D

void glVertex3f(const segl::Punkt3D&);
void glTranslatef(const segl::Punkt3D&);
void glNormal3f(const segl::Punkt3D&);

void glRotatef(const float&, const segl::Punkt3D&);

// Funktionen mit richtgen bezeichnern
void glVertexP3D(const segl::Punkt3D&);
void glTranslateP3D(const segl::Punkt3D&);
void glNormalP3D(const segl::Punkt3D&);

void glRotateP3D(const float&, const segl::Punkt3D&);
void gluLookAt(const segl::Punkt3D &pos, const segl::Punkt3D &viewport, const segl::Punkt3D &normal);

#endif