Integrating glut code

int main( int argc, char **argv )
{
    glutInit( &argc, argv );
    glutInitDisplayMode( GLUT_DOUBLE | GLUT_DEPTH | GLUT_RGB );
    glutInitWindowSize( 512, 512 );
    glutCreateWindow( "Dispersion" );

    init_opengl();

    glut_helpers_initialize();

    cb.keyboard_function = keyboard;
    cb.idle_function = idle;

    camera.configure_buttons(1);
    camera.set_camera_mode(false);
    camera.dolly.dolly[2] = -1.5;

    object.configure_buttons(1);
    object.dolly.dolly[2] = 0.0;

    object.disable();
    camera.enable();

    glut_add_interactor(&cb);
    glut_add_interactor(&camera);
    glut_add_interactor(&object);
    glut_add_interactor(&reshaper);

    glut_idle(1);

    glutCreateMenu( menu );
    glutAddMenuEntry( "Increase refraction index [+]", '+');
    glutAddMenuEntry( "Decrease refraction index [-]", '-');
    glutAddMenuEntry( "Increase dispersion []]", ']');
    glutAddMenuEntry( "Decrease dispersion [[]", '[');
    glutAddMenuEntry( "Move object [o]", 'o');
    glutAddMenuEntry( "Move camera [c]", 'c');
    glutAddMenuEntry( "Toggle wireframe [w]", 'w' );
    glutAddMenuEntry( "Toggle deformation [d]", 'd' );
    glutAddMenuEntry( "Toggle camera spin [space]", ' ' );
    glutAddMenuEntry( "Toggle fps display [f]", 'f' );
    glutAddMenuEntry( "Reset [r]", 'r' );
    glutAddMenuEntry( "Quit [esc]", 27 );
    glutAttachMenu( GLUT_RIGHT_BUTTON) ;

    b[' '] = true;

    glutDisplayFunc( display );
    glutMainLoop();

    return 0;
}