static long hour =0;
@Override
public void update(float tpf) {
if (spatial != null && enabled) {
Vector3f camLoc = cam.getLocation();
float[] camLF = camLoc.toArray(null);
spatial.setLocalTranslation(camLF[0], camLF[1]+.25f, camLF[2]);
// if (getUseCalendar()) {
checkDayNight();