removeFromParent method
Removes this object from its current parent.
Implementation
Object3D removeFromParent() {
  final parent = this.parent;
  if (parent != null) {
    parent.remove(this);
  }
  return this;
}Removes this object from its current parent.
Object3D removeFromParent() {
  final parent = this.parent;
  if (parent != null) {
    parent.remove(this);
  }
  return this;
}