/**
* Visit each scene graph element ordered by BFS
*
* @param visitor
*/
public void breadthFirstTraversal(SceneGraphVisitor visitor) {
Queue<Spatial> queue = new LinkedList<Spatial>();
queue.add(this);
while (!queue.isEmpty()) {
Spatial s = queue.poll();
visitor.visit(s);
s.breadthFirstTraversal(visitor, queue);
}
}
public void accept(SceneGraphVisitor v) {
v.visit(this);
}