var graph;

function graph_model(){
    this.geometry = new THREE.Geometry();
    this.nodes = new THREE.Points(this.geometry, materials.qubit);
    this.nodes.geometry.dynamic = true;
    this.object = new THREE.Object3D();
    this.object.add(this.nodes);

    this.add_node = function(node){
        var vertex = new THREE.Vector3(0, 0, 0);
        this.nodes.geometry.vertices.push(vertex);
        this.nodes.geometry.verticesNeedUpdate = true;
        render();
    };
}



//function buildGraph(json) {
    // Add all the qubits
    //var geometry = new THREE.Geometry();
    //var vertex = new THREE.Vector3(0, 0, 0);
    //geometry.vertices.push(vertex);
    //var nodes = new THREE.Points(geometry, materials.node);

    // Add all the edges
    //var edges = new THREE.Object3D();
    //edges.add(makeEdge({
        //"start": [0, 0, 0],
        //"end": [1, 1, 1]
    //}));
    
    // Construct and return
    //var graph = new THREE.Object3D();
    //graph.add(nodes);
    //graph.add(edges);
    //return graph;
//}