266 if(invert) direction = direction * -1;
275 if(invert) direction = direction * -1;
285 if(invert) direction = direction * -1;
334 glDisable(GL_LIGHTING);
336 glColor3f(1.0, 0.0, 0.0);
337 glVertex3f(-1000000, 0.0, 0.0);
339 glVertex3f(+1000000, 0.0, 0.0);
341 glColor3f(0.0, 1.0, 0.0);
342 glVertex3f(0.0, -1000000, 0.0);
344 glVertex3f(0.0, +1000000, 0.0);
346 glColor3f(0.0, 0.0, 1.0);
347 glVertex3f(0.0, 0.0, -100000);
349 glVertex3f(0.0, 0.0, +100000);
352 glEnable(GL_LIGHTING);