void CreateNode()
{
numNodes++;
Debug.Log("Node: " + numNodes);
//get node info
Vector2 pos = positionalTracker.GetPosition();
int rssi = wifiSignal.GetCurrSignal();
string mac = wifiSignal.GetMacAddress();
//add node info to json string
jsonFileWriter.AddNode(mac, rssi, pos);
//instantiate node
Vector3 worldNodePos = new Vector3(pos.x, Camera.main.transform.position.y, pos.y);
GameObject node = Instantiate(nodePrefab, worldNodePos, Quaternion.identity);
node.transform.position -= new Vector3(0, .1f, 0);
string nodeText = "Mac: " + mac + "\n" + "RSSI: " + rssi + "dB";
node.GetComponent <NodeBehavior>().Init(nodeText, numNodes);
}
