public static void deepRotate(Spatial s, int x, int y, int z) {
Quaternion q = s.getLocalRotation();
// only transform objects with non-zero rotation
if (q.x != 0 || q.y != 0 || q.z != 0 || q.w != 1) {
s.setLocalRotation(q.addLocal(Rotator.fromThreeAngles(x, y, z)));
}
if (s instanceof Node) {
if (((Node) s).getChildren() != null) {
for (Spatial child : ((Node) s).getChildren()) {
deepRotate(child, x, y, z);
}
}
}
}
