void idle(void)
{
	mainGear.spin(orbitSpeed * 60);  // values defined allow for good interlocking and speed , obtained through trial and error
	powerGear.spin(-orbitSpeed * 200); 
	smallMiddleGear.spin(orbitSpeed * 200);
	bigPowerGear.spin(-orbitSpeed * 60);
	sideGear.spin(-orbitSpeed * 400);
	sidePole.spin(orbitSpeed * 400);
	sun.update();
	updatePlanets();

	glutPostRedisplay();
}