/* Segment de droite en 2D                      */
/*                                              */
/* Auteur: Nicolas JANEY                        */
/* nicolas.janey@univ-fcomte.fr                 */
/* Novembre 2012                                */

#include <stdlib.h>
#include <stdio.h>
#include <math.h>

#include <GL/glut.h>
#include <GL/gl.h>
#include <GL/glu.h>

#include "Segment2D.h"
#include "Position2D.h"
#include "TraceSegment.h"

/* Constructeurs                                */

Segment2D::Segment2D(void) {
  p1 = new Position2D();
  p2 = new Position2D();
}

Segment2D::Segment2D(Position2D *p1,Position2D *p2) {
  this->p1 = new Position2D(p1);
  this->p2 = new Position2D(p2);
}

Segment2D::Segment2D(Segment2D *s) {
  p1 = new Position2D(s->p1);
  p2 = new Position2D(s->p2);
}

/* Destructeur                                  */

Segment2D::~Segment2D(void) {
  delete(p1);
  delete(p2);
}

/* Dessin OpenGL                                */

void Segment2D::draw(int zoom) {
  trace(p1,p2,zoom);
}

/* Dessin OpenGL                                */

void Segment2D::drawGL(void) {
  glBegin(GL_LINES);
  glVertex2f(p1->c[0],p1->c[1]);
  glVertex2f(p2->c[0],p2->c[1]);
  glEnd();
}

/* Zoom                                         */
void Segment2D::zoom(float zoom) {
  p1->c[0] *= zoom;
  p1->c[1] *= zoom;
  p2->c[0] *= zoom;
  p2->c[1] *= zoom;
}