addAll method
Adds list objects as child of this object.
Implementation
Object3D addAll(List<Object3D> objects) {
  for (int i = 0; i < objects.length; i++) {
    add(objects[i]);
  }
  return this;
}Adds list objects as child of this object.
Object3D addAll(List<Object3D> objects) {
  for (int i = 0; i < objects.length; i++) {
    add(objects[i]);
  }
  return this;
}