scenejs-runtime-state.js

var graph = SceneJs.graph(
    SceneJs.node({
        preVisit: function(nodeContext) {
            var graphContext = nodeContext.getGraphContext();
            graphContext.counter++;
        }
    })
);

var graphContext = { counter: 0 };

while (graphContext.counter < 10) {
    graph.traverse(graphContext);
}