/**
* Adds an actor as a child of this group, at a specific index. The actor is first removed from
* its parent group, if any.
*/
public void addActorAt(int index, Actor actor) {
actor.remove();
children.insert(index, actor);
actor.setParent(this);
actor.setStage(getStage());
childrenChanged();
}
/**
* Adds an actor as a child of this group, immediately before another child actor. The actor is
* first removed from its parent group, if any.
*/
public void addActorBefore(Actor actorBefore, Actor actor) {
actor.remove();
int index = children.indexOf(actorBefore, true);
children.insert(index, actor);
actor.setParent(this);
actor.setStage(getStage());
childrenChanged();
}
/**
* Adds an actor as a child of this group, immediately after another child actor. The actor is
* first removed from its parent group, if any.
*/
public void addActorAfter(Actor actorAfter, Actor actor) {
actor.remove();
int index = children.indexOf(actorAfter, true);
if (index == children.size) children.add(actor);
else children.insert(index + 1, actor);
actor.setParent(this);
actor.setStage(getStage());
childrenChanged();
}