}
else if (event->xany.type == ButtonPress &&
(event->xbutton.button == Button4 ||
- event->xbutton.button == Button5))
+ event->xbutton.button == Button5 ||
+ event->xbutton.button == Button6 ||
+ event->xbutton.button == Button7))
{
gltrackball_mousewheel (gp->trackball, event->xbutton.button, 10,
!!event->xbutton.state);
glPushMatrix ();
glScalef (RADIUS, RADIUS, RADIUS);
glRotatef (90, 1, 0, 0);
+ glFrontFace(GL_CW);
unit_sphere (resolution, resolution, wire);
mi->polygon_count += resolution*resolution;
glPopMatrix ();