hubs_gateway_bulb.js

const bearer = 'Bearer ...' // get it for your own gateway in Settings -> Developers > Create local auth
// or directly via http://gateway.local/oauth/authorize?response_type=code&client_id=local-token&scope=/things:readwrite&state=asdf
const myThing = 'zb-00001234' // get it by visiting http://gateway.local/things and opening a Thing
// UUID will be at the end of theURL

if (bearer.length + myThing.length < 25) throw 'you need to setup those values, see comments'

// utils

function loadAssetsFromURLs(URLs){
  var elements = []
  for (var url of URLs){  
    var el = document.createElement("a-entity")
    AFRAME.scenes[0].appendChild(el)
    el.setAttribute("media-loader", { src: url, fitToBox: true, resolve: true })
    el.setAttribute("networked", { template: "#interactable-media" } )
    elements.push(el)
  }
  return elements
}

// setup room interactive elements

var lightSwitch = loadAssetsFromURLs(["https://poly.google.com/view/1xBl-8de6b0"])[0];
lightSwitch.setAttribute("position", "-2.7 1.5 0");

var lightBulb = loadAssetsFromURLs([ "https://uploads-prod.reticulum.io/files/e092e561-7e63-4338-a1d2-d346b782d90a.glb?token=e586011442cea429ae3f0891e65ead08" ])[0]
lightBulb.setAttribute("position", "100 100 100")
lightBulb.setAttribute("scale", "0 0 0");

var lastSwitchChange = +Date.now();
var switchStatusOn = false;

// behaviors

function newLightStatus(value){ 
    if (value) {
        lightBulb.setAttribute("position", "-0.5 2.5 1");
        lightSwitch.setAttribute("rotation", "180 180 0");
        // actually arguable since it implies the gateway could update the physical switch...
        switchStatusOn = true;
    } else { 
        lightBulb.setAttribute("position", "100 100 100");
        lightSwitch.setAttribute("rotation", "0 180 0");
        switchStatusOn = false;
    }
}

function turnLightOn( status ) {
    fetch('https://gateway.local/things/'+myThing+'/properties/on', {
    method: 'PUT',
    headers: {
        'Content-Type': 'application/json',
        'Accept': 'application/json',
        Authorization: bearer
    },  
    body: JSON.stringify({ on: status })
    }).then(res => {
        return res.json();
    }).then(things => {
        console.log(things);
    });
}
// interativity

var refreshLight = setInterval( _ => { fetch('https://gateway.local/things/'+myThing+'/properties/on', {
  headers: { Accept: 'application/json', Authorization: bearer }
}).then(res => {
  return res.json();
}).then(lightOnProperty => {
  newLightStatus( lightOnProperty.on )
}); }, 1000 )

var flipSwitchTrigger = setInterval( _ => {
    if ( ( +Date.now() - lastSwitchChange > 5000 )
        &&
        ( lightSwitch.getAttribute("position").distanceTo( document.querySelector("#avatar-rig").getAttribute("position") ) < 2 ) )
    { 
        console.log('flip the switch');
        lastSwitchChange = +Date.now();
        switchStatusOn = !switchStatusOn
        turnLightOn( switchStatusOn )
    }
}, 1000 )

var flipSwitchTriggerOther = setInterval( _ => {
	var other = document.querySelectorAll("[networked-avatar][id^=naf]")[0]
    if ( other && ( +Date.now() - lastSwitchChange > 5000 )
        &&
        ( lightSwitch.getAttribute("position").distanceTo( other.getAttribute("position") ) < 2 ) )
    { 
        console.log('flip the switch');
        lastSwitchChange = +Date.now();
        switchStatusOn = !switchStatusOn
        turnLightOn( switchStatusOn )
    }
}, 1000 )

moving photons at light speed :) nice hack