TerraCraft cube

#include <SDL.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include <cstdlib>
#include <iostream>
#include <string>
using namespace std;

void Dessiner();

int main(int argc, char *argv[])
{
    char* name = "TerraCraft";
    SDL_Event event;
    int const WIDTH_SCREEN = 800, HEIGHT_SCREEN = 600;
    SDL_Init(SDL_INIT_VIDEO);
    atexit(SDL_Quit);
    SDL_Window *screen = SDL_CreateWindow(name, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 640, 480, SDL_WINDOW_OPENGL);
    SDL_GLContext glcontext = SDL_GL_CreateContext(screen);

    bool continuer = true;

    while(continuer)
    {
            glMatrixMode( GL_PROJECTION );
    glLoadIdentity();
    gluPerspective(70,(double)640/480,1,1000);

    glEnable(GL_DEPTH_TEST);
    Dessiner();
    SDL_GL_SwapWindow(screen);
        SDL_WaitEvent(&event);
        switch(event.type)
        {
            case SDL_QUIT:
                continuer = false;
        }
    }

    SDL_Quit();

    return 0;
}

void Dessiner()
{
    glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );

    glMatrixMode( GL_MODELVIEW );
    glLoadIdentity( );

    gluLookAt(3,4,2,0,0,0,0,0,1);


    glBegin(GL_QUADS);

    glColor3ub(255,0,0); //face rouge
    glVertex3d(1,1,1);
    glVertex3d(1,1,-1);
    glVertex3d(-1,1,-1);
    glVertex3d(-1,1,1);

    glColor3ub(0,255,0); //face verte
    glVertex3d(1,-1,1);
    glVertex3d(1,-1,-1);
    glVertex3d(1,1,-1);
    glVertex3d(1,1,1);

    glColor3ub(0,0,255); //face bleue
    glVertex3d(-1,-1,1);
    glVertex3d(-1,-1,-1);
    glVertex3d(1,-1,-1);
    glVertex3d(1,-1,1);

    glColor3ub(255,255,0); //face jaune
    glVertex3d(-1,1,1);
    glVertex3d(-1,1,-1);
    glVertex3d(-1,-1,-1);
    glVertex3d(-1,-1,1);

    glColor3ub(0,255,255); //face cyan
    glVertex3d(1,1,-1);
    glVertex3d(1,-1,-1);
    glVertex3d(-1,-1,-1);
    glVertex3d(-1,1,-1);

    glColor3ub(255,0,255); //face magenta
    glVertex3d(1,-1,1);
    glVertex3d(1,1,1);
    glVertex3d(-1,1,1);
    glVertex3d(-1,-1,1);

    glEnd();

    glFlush();
}