/**
* 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 static <T extends Control> T findFirstControl(Spatial sp, final Class<T> aClass) {
controlResult = null;
sp.breadthFirstTraversal(
new SceneGraphVisitor() {
@Override
public void visit(Spatial spatial) {
if (spatial.getControl(aClass) != null) {
controlResult = spatial.getControl(aClass);
}
}
});
return (T) controlResult;
}
