   url: 'microphone.html',
  },
].map(({name, url}) => ({name, url, iconMesh: null}));
let servers = [];
let serversLoading = false;
let serverConnectedUrl = null;

const DEFAULT_URL = 'https://aframe.io/';
const DEFAULT_REGISTRY_URL = 'http://xrmp.exokit.org:9001';
const DEFAULT_SKIN_URL = 'skin2.png';
const RAY_COLOR = 0x44c2ff;
const RAY_HIGHLIGHT_COLOR = new THREE.Color(RAY_COLOR).multiplyScalar(0.5).getHex();
const rayDistance = 3;
const menuWidth = 1024;
const menuHeight = menuWidth * 0.1;
const menuW