virtual void OnChildAdd(Actor& child);
virtual void OnChildRemove(Actor& child);
virtual void OnSizeSet(const Vector3& targetSize);
virtual void OnSizeAnimation(Animation& animation, const Vector3& targetSize);
virtual void OnChildAdd(Actor& child);
virtual void OnChildRemove(Actor& child);
virtual void OnSizeSet(const Vector3& targetSize);
virtual void OnSizeAnimation(Animation& animation, const Vector3& targetSize);