/* Mathematiques de l'informatique graphique    */
/* Coordonnees homogenes en 3D                  */
/*                                              */
/* Auteur: Nicolas JANEY                        */
/* nicolas.janey@univ-fcomte.fr                 */
/* Mars 2019                                    */

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

#include "CH3D.h"

/* Constructeurs                                */

CH3D::CH3D(void) {
  v.x = v.y = v.z = 0.0;
  v.w = 1.0;
}

CH3D::CH3D(double x,double y,double z,double w) {
  v.x = x;
  v.y = y;
  v.z = z;
  v.w = w;
}

CH3D::CH3D(CH3D *ch) {
  v.x = ch->v.x;
  v.y = ch->v.y;
  v.z = ch->v.z;
  v.w = ch->v.w;
}

/* Destructeur                                  */

CH3D::~CH3D(void) {
}

/* Getters                                  */

double CH3D::getx(void) {
  return v.x;
}

double CH3D::gety(void) {
  return v.y;
}

double CH3D::getz(void) {
  return v.z;
}

double CH3D::getw(void) {
  return v.w;
}

bool CH3D::get(int i,double *val) {
  if ( ( i >= 0 ) && ( i < 4 ) ) {
    *val = v.c[i];
    return true; }
  return false;
}

/* Setters                                  */

bool CH3D::setx(double x) {
  v.x = x;
  return true;
}

bool CH3D::sety(double y) {
  v.y = y;
  return true;
}

bool CH3D::setz(double z) {
  v.z = z;
  return true;
}

bool CH3D::setw(double w) {
  v.w = w;
  return true;
}

bool CH3D::set(double val,int i) {
  if ( ( i >= 0 ) && ( i < 4 ) ) {
    v.c[i] = val;
    return true; }
  return false;
}

/* Methode d'affichage texte                    */

void CH3D::print(void) {
  printf("%10.4lf %10.4lf %10.4lf %10.4lf",v.x,v.y,v.z,v.w);
}