Problème compilation Static ou non

Bonjour,

Pour un projet, j'ai à faire une petite interface graphique en OpenGL et on nous a imposé d'utiliser GLUT.
Aussi mes premiers test fonctionnait pour le mieux sans avoir fait de classe, mais vu que pour le projet faire une classe s'impose, je m'y essai laborieusement depuis hier soir en vain.
J'ai fait des recherche sur Google, et en fait c'est un problème avec les fonctions static.

Berf le code et les messages d'erreur valant mieux qu'un long discours donc je vous envoie le code de ma classe et les erreurs de sorties.

Code:

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// LIBRAIRIES et COMMANDE Linux :
#include <GL/gl.h>
#include <GL/glu.h>
#include <GL/glut.h>
 
#include <stdlib.h>
#include <cassert>
#include <fstream>
#include <iostream>
#include "Mesh2d.hpp"
#include "Visual3d.hpp"
 
class Visual3d{
     public:
 
     //static Visual3d* pVisual3d;
 
     double xold, yold, anglex, angley, presse;
     Mesh2* pTh;
 
     Visual3d(int argc, char** argv){
          Mesh2 Th("alexis.msh");
          pTh=&Th;
          anglex=0;
          angley=0;
          presse=0;
          xold=0;
          yold=0;
          glutInit(&argc, argv);
                                          /*  affichage couleur */
          glutInitDisplayMode(GLUT_RGB);
          glutInitWindowSize(400, 400);            // Taille ini
          glutInitWindowPosition(200,200);         /*  position initiale */
          glutCreateWindow(argv[0]);               /*  creation de la fenetre graphique */
 
          init();
 
          glutDisplayFunc(afficher);               /* fonction d’affichage */
          glutReshapeFunc(refenetrer);             // fonction de refenetrage
          glutKeyboardFunc(clavier);               /* gestion du clavier */
          glutMouseFunc(mouse);                  /* fonction souris */
          glutMotionFunc(mousemotion);  /* deplacement de la souris */
          glutMainLoop();                          /* lancement de la boucle principale */
     }
 
     static void init(){
          glClearColor(0.3,0.3,0.3,0.3);   // Color Used
          glColor3f(1.0,1.0,1.0);   /* couleur courante */
          glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
     }
 
     static void afficher(void){
          glClear(GL_COLOR_BUFFER_BIT);  // effacement du tampon
          // Renommage complet
          glColor3f(0,0,0);
          for(int i=0;i<(*pTh).nt;++i){
               glBegin(GL_TRIANGLE_STRIP);
               glVertex3f((*pTh).triangles[i].vertices[0]->x,(*pTh).triangles[i].vertices[0]->y,0.);
               glVertex3f((*pTh).triangles[i].vertices[1]->x,(*pTh).triangles[i].vertices[1]->y,0.);
               glVertex3f((*pTh).triangles[i].vertices[2]->x,(*pTh).triangles[i].vertices[2]->y,0.);
               glEnd();
          }
          glColor3f(0.5,0.5,0.9);
          for(int i=0;i<(*pTh).nbe;++i){
               glBegin(GL_LINES);
               glVertex3f((*pTh).be(i)[0].x,(*pTh).be(i)[0].y,0.);
               glVertex3f((*pTh).be(i)[1].x,(*pTh).be(i)[1].y,0.);
               glEnd();
          }
 
          /*
          glColor3f(1.0,1.0,1.0);
          glLineWidth(1.);
          glBegin(GL_LINES);
          glVertex3f(12.0,3.0,5.0);
          glVertex3f(15.0,1.0,2.0);
          glEnd();
          glBegin(GL_LINES);
          glVertex3f(15.0,1.0,2.0);
          glVertex3f(19.0,1.0,2.0);
          glEnd();
          */
 
          glLoadIdentity();                       // On initialise la matrice de translation
          //gluLookAt(-1.0,0.0,5.0,0.0,0.0,0.0,0.0,1.0,0.0);
          glRotatef(-anglex, 0.0, 1.0, 0.0);      // pour faire des rotation
          glRotatef(-angley, 1.0, 0.0, 0.0);
 
          glutSwapBuffers();
     }
 
     static void refenetrer(int w, int h){
          glViewport(0, 0, (GLsizei) w, (GLsizei) h); /* modification des tailles */
                                             /* du tampon d’affichage    */
          glMatrixMode(GL_PROJECTION);               /* pile courante = projection */
          glLoadIdentity();                          /* specification de la projection */
          glOrtho(-40.0,40.0,-40.0,40.0,-40.0,40.0);
 
 
          glMatrixMode(GL_MODELVIEW);                /* pile courante = point de vue */
          glLoadIdentity();
     }
 
     static void clavier(unsigned char touche, int x, int y){
          switch(touche){ // en fonction des touches, on affiche :
 
          case 'p':
               glPolygonMode(GL_FRONT_AND_BACK, GL_FILL); // Texture
               glutPostRedisplay(); // Raffraichissement
               break;
          case 'f':
               glPolygonMode(GL_FRONT_AND_BACK, GL_LINE); // Arrête
               glutPostRedisplay();
               break;
          case 's':
               glPolygonMode(GL_FRONT_AND_BACK, GL_POINT); // Point
               glutPostRedisplay();
               break;
          case 'd':
               glEnable(GL_DEPTH_TEST);  // Avec tampon de profondeur
               glutPostRedisplay();
               break;
          case 'D':
               glDisable(GL_DEPTH_TEST); // Sans tampon de profondeur
               glutPostRedisplay();
               break;
          case 27:               /* sortie si touche ESC */
               exit(0);
               break;
          }
     }
 
     static void mouse(int button, int state, int x, int y){ 
          // Si on appuie sur le bouton gauche
          if(button == GLUT_LEFT_BUTTON && state == GLUT_DOWN) {
               presse = 1; // Le booléen passe devient vrai
               xold = x;   // On sauvegarde la position
               yold = y;
          }
          // Si on relache le bouton
          if(button == GLUT_LEFT_BUTTON && state == GLUT_UP) presse = 0;
     }
 
 
     static void mousemotion(int x, int y) {
          if(presse == 1) {                  // Si le bouton est pressé
               anglex = anglex + (x-xold); // On modifie la position actuelle de la souris
               angley = angley + (y-yold); // en fonction de la position actuelle de la 
               glutPostRedisplay();        // souris et de la dernière sauvegarde
          }
          xold = x; // On sauvegarde la position actuelle de la souris
          yold = y;
     }
};
 
 
int main(int argc, char* argv[]){
  Visual3d win(argc,argv);
     return 0;
 
}

Code:

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[alexis@localhost new]$ make
g++  -L/usr/lib/X11R6  -lglut -lGLU -lGL -Wall -O3   -I../RNM-v3    -c  Visual3d.cpp
Visual3d.cpp: In static member function ‘static void Visual3d::afficher()’:
Visual3d.cpp:26: error: invalid use of member ‘Visual3d::pTh’ in static member function
Visual3d.cpp:63: error: from this location
Visual3d.cpp:26: error: invalid use of member ‘Visual3d::pTh’ in static member function
Visual3d.cpp:65: error: from this location
Visual3d.cpp:26: error: invalid use of member ‘Visual3d::pTh’ in static member function
Visual3d.cpp:65: error: from this location
Visual3d.cpp:26: error: invalid use of member ‘Visual3d::pTh’ in static member function
Visual3d.cpp:66: error: from this location
Visual3d.cpp:26: error: invalid use of member ‘Visual3d::pTh’ in static member function
Visual3d.cpp:66: error: from this location
Visual3d.cpp:26: error: invalid use of member ‘Visual3d::pTh’ in static member function
Visual3d.cpp:67: error: from this location
Visual3d.cpp:26: error: invalid use of member ‘Visual3d::pTh’ in static member function
Visual3d.cpp:67: error: from this location
Visual3d.cpp:26: error: invalid use of member ‘Visual3d::pTh’ in static member function
Visual3d.cpp:71: error: from this location
Visual3d.cpp:26: error: invalid use of member ‘Visual3d::pTh’ in static member function
Visual3d.cpp:73: error: from this location
Visual3d.cpp:26: error: invalid use of member ‘Visual3d::pTh’ in static member function
Visual3d.cpp:73: error: from this location
Visual3d.cpp:26: error: invalid use of member ‘Visual3d::pTh’ in static member function
Visual3d.cpp:74: error: from this location
Visual3d.cpp:26: error: invalid use of member ‘Visual3d::pTh’ in static member function
Visual3d.cpp:74: error: from this location
Visual3d.cpp:25: error: invalid use of member ‘Visual3d::anglex’ in static member function
Visual3d.cpp:93: error: from this location
Visual3d.cpp:25: error: invalid use of member ‘Visual3d::angley’ in static member function
Visual3d.cpp:94: error: from this location
Visual3d.cpp: In static member function ‘static void Visual3d::mouse(int, int, int, int)’:
Visual3d.cpp:25: error: invalid use of member ‘Visual3d::presse’ in static member function
Visual3d.cpp:143: error: from this location
Visual3d.cpp:25: error: invalid use of member ‘Visual3d::xold’ in static member function
Visual3d.cpp:144: error: from this location
Visual3d.cpp:25: error: invalid use of member ‘Visual3d::yold’ in static member function
Visual3d.cpp:145: error: from this location
Visual3d.cpp:25: error: invalid use of member ‘Visual3d::presse’ in static member function
Visual3d.cpp:148: error: from this location
Visual3d.cpp: In static member function ‘static void Visual3d::mousemotion(int, int)’:
Visual3d.cpp:25: error: invalid use of member ‘Visual3d::presse’ in static member function
Visual3d.cpp:153: error: from this location
Visual3d.cpp:25: error: invalid use of member ‘Visual3d::anglex’ in static member function
Visual3d.cpp:154: error: from this location
Visual3d.cpp:25: error: invalid use of member ‘Visual3d::anglex’ in static member function
Visual3d.cpp:154: error: from this location
Visual3d.cpp:25: error: invalid use of member ‘Visual3d::xold’ in static member function
Visual3d.cpp:154: error: from this location
Visual3d.cpp:25: error: invalid use of member ‘Visual3d::angley’ in static member function
Visual3d.cpp:155: error: from this location
Visual3d.cpp:25: error: invalid use of member ‘Visual3d::angley’ in static member function
Visual3d.cpp:155: error: from this location
Visual3d.cpp:25: error: invalid use of member ‘Visual3d::yold’ in static member function
Visual3d.cpp:155: error: from this location
Visual3d.cpp:25: error: invalid use of member ‘Visual3d::xold’ in static member function
Visual3d.cpp:158: error: from this location
Visual3d.cpp:25: error: invalid use of member ‘Visual3d::yold’ in static member function
Visual3d.cpp:159: error: from this location
make: *** [Visual3d.o] Error 1

Merci à tous :)

Problème compilation Static ou non - Class Glut