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4 Commits

  1. 62
      README.md
  2. 1867
      index.html
  3. 144
      index.js
  4. 948
      jxr-core.js
  5. 221
      jxr-extras.js
  6. 28
      submit.html

@ -8,7 +8,69 @@ You can test it live at https://fabien.benetou.fr/pub/home/future_of_text_demo/e
See also the AR version https://video.benetou.fr/w/x7HeEBF9HGfdVyf7vWsKsQ See also the AR version https://video.benetou.fr/w/x7HeEBF9HGfdVyf7vWsKsQ
Note that the master branch is never the most up to date branch. Instead see https://git.benetou.fr/utopiah/text-code-xr-engine/branches for an overview. To explore branches in VR see https://fabien.benetou.fr/pub/home/future_of_text_demo/engine/branches.html
In order to have a better view of the different features accross branches see https://mastodon.pirateparty.be/web/@utopiah and https://twitter.com/utopiah/ which act as a kind of live documentation of the process.
![Manipulation prevew image](https://fabien.benetou.fr/pub/home/future_of_text_demo/content/primitives_manipulation.gif)
![Preview image](https://fabien.benetou.fr/pub/home/future_of_text_demo/content/engine-preview.png) ![Preview image](https://fabien.benetou.fr/pub/home/future_of_text_demo/content/engine-preview.png)
First communicated on https://twitter.com/utopiah/status/1531188862415929344 as way to work on (WebXR) code during a flight. First communicated on https://twitter.com/utopiah/status/1531188862415929344 as way to work on (WebXR) code during a flight.
## Minimalist example
See for details the [minimalist-template branch](https://git.benetou.fr/utopiah/text-code-xr-engine/src/branch/minimalist-template/index.html) and [deployment issue](https://git.benetou.fr/utopiah/text-code-xr-engine/issues/72).
```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>JXR minimalist template</title>
<script src="https://aframe.io/releases/1.5.0/aframe.min.js"></script>
<script src="https://unpkg.com/aframe-troika-text/dist/aframe-troika-text.min.js"></script>
<script src="https://cdn.jsdelivr.net/gh/kylebakerio/a-console@1.0.2/a-console.js"></script>
<script src="https://fabien.benetou.fr/pub/home/future_of_text_demo/engine/jxr.js"></script>
<!-- use to define targets and left/right pinch interactions, respectively execute code and move targets -->
</head>
<body>
<div style="position:fixed;z-index:1; top: 0%; left: 0%; border-bottom: 70px solid transparent; border-left: 70px solid #eee;">
<a href="https://git.benetou.fr/utopiah/text-code-xr-engine/issues/">
<img style="position:fixed;left:10px;" title="code repository"
src="https://fabien.benetou.fr/pub/home/future_of_text_demo/engine/gitea_logo.svg">
</a>
</div>
<button id="mainbutton" style="display:none; z-index: 1; position: absolute; width:50%; margin: auto; text-align:center; top:45%; left:30%; height:30%;" onclick="startExperience()">Start the experience (hand tracking recommended)</button>
<a-scene>
<a-entity id="rig">
<a-entity id="player"
hud camera look-controls wasd-controls waistattach="target: .movebypinch" position="0 1.6 0"></a-entity>
<a-entity id="rightHand" pinchprimary hand-tracking-controls="hand: right;"></a-entity>
<a-entity id="leftHand" pinchsecondary wristattachsecondary="target: #box" hand-tracking-controls="hand: left;"></a-entity>
</a-entity>
<a-troika-text value="SpaSca : Spatial Scaffolding" anchor="left" outline-width="5%" font="https://fabien.benetou.fr/pub/home/future_of_text_demo/content/ChakraPetch-Regular.ttf" position="-5.26197 6.54224 -1.81284"
scale="4 4 5" rotation="90 0 0" troika-text="outlineWidth: 0.01; strokeColor: #ffffff" material="flatShading: true; blending: additive; emissive: #c061cb"></a-troika-text>
<a-sky hide-on-enter-ar color="black"></a-sky>
<a-entity hide-on-enter-ar="" id="environmentsky" class="hidableenvironment" ></a-entity>
<a-troika-text anchor="left" target value="instructions : \n--right pinch to move\n--left pinch to execute" position="0 0.65 -0.2" scale="0.1 0.1 0.1"></a-troika-text>
<a-troika-text anchor=left target id="locationreload" value="jxr location.reload()" position="0 1.20 -0.1" scale="0.1 0.1 0.1"></a-troika-text>
<a-troika-text anchor=left target id="makeAnchorsVisibleOnTargets" value="jxr makeAnchorsVisibleOnTargets()" position="0 1.05 -0.1" scale="0.1 0.1 0.1"></a-troika-text>
<a-console position="0 1.1 -0.8" rotation="-45 0 0" font-size="34" height="0.5" skip-intro="true"></a-console>
</a-scene>
</body>
</html>
```

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@ -1,144 +0,0 @@
/* nodejs server to grab the current URL as tridactyl command and serve back page with content */
// mkdir tabs polydata
// autocmd TabEnter .* js fetch("http://localhost:7777/?url="+window.location.href)
// might be interesting to keep track of document.referrer too
// consider instead Firefox Account
const fs = require('fs');
const express = require('express')
const cors = require('cors')
const https = require('https')
const path = require('path')
const {execSync} = require('child_process');
const fetch = require('node-fetch');
const app = express()
app.use(cors())
app.get('/getpoly', function(req, res){
const polypath = "polydata"
const url = "https://static.poly.pizza/"
const extensions = [".glb",".webp"]
const filepath = path.join(__dirname, polypath, req.query.id+extensions[0])
if (!fs.existsSync(filepath)){
execSync("wget "+url+req.query.id+extensions[0], {cwd:path.join(__dirname,polypath)})
execSync("wget "+url+req.query.id+extensions[1], {cwd:path.join(__dirname,polypath)})
}
res.send("received");
});
app.get('/voiceinput', function(req, res){
console.log(req.query.keyword)
sseSend(req.query.keyword)
res.send("received");
});
app.get('/search', async function(req, res){
const response = await fetch('https://api.poly.pizza/v1/search/'+req.query.keyword, {
headers: {'x-auth-token': 'e821ece91d1a43c1ac70299368a72b8a'}
});
const data = await response.json();
res.json(data);
});
app.get('/cabin', function(req, res){
res.sendFile(path.join(__dirname, 'cabin.html'))
});
app.get('/', function(req, res){
res.sendFile(path.join(__dirname, 'index.html'))
});
app.get('/tabs', function(req, res){
res.json({"files":fs.readdirSync("tabs")})
});
// resulting in possibly getting /static/screens/1652811988.png
app.get('/screens', function(req, res){
res.json({"files":fs.readdirSync("screens")})
});
const container = "docker run --rm -e UID=$(id -u) -e GID=$(id -g) "
// could try losing priviledges instead, if possible
fs.watch("cabin.html", (eventType, filename) => {
if (eventType == "change") sseSend(filename+" modified")
})
// SSE to force reload client-side
var connectedClients = []
function sseSend(data){
connectedClients.map( res => {
console.log("notifying client") // seems to be call very often (might try to send to closed clients?)
res.write(`data: ${JSON.stringify({status: data})}\n\n`);
})
}
app.get('/streaming', (req, res) => {
res.setHeader('Cache-Control', 'no-cache');
res.setHeader('Content-Type', 'text/event-stream');
//res.setHeader('Access-Control-Allow-Origin', '*');
// alread handled at the nginx level
res.setHeader('Connection', 'keep-alive');
res.setHeader('X-Accel-Buffering', 'no');
res.flushHeaders(); // flush the headers to establish SSE with client
res.write(`data: ${JSON.stringify({event: "userconnect"})}\n\n`); // res.write() instead of res.send()
connectedClients.push(res)
// If client closes connection, stop sending events
res.on('close', () => {
console.log('client dropped me');
res.end();
});
});
// consider instead CloudInit so that it can be delegated to another machine
// keeping a pool of available machine would start with a single one
// namely that it is possible to run multiple containers on 1 instance, simultaneously or not.
containersSupportedByLanguage = {
bash: "debian ",
julia: "julia julia -E ",
python: "python python -c ",
// avoided file specific languages
// could be done by writing to a file in the container e.g /tmp/file.c then passing it as parameter
}
app.get('/invitereload', function(req, res){
sseSend("reload")
res.json({"res":"reload requested"})
})
app.get('/command', function(req, res){
var req = req.query.command
var foundContainer = containersSupportedByLanguage[req.split(" ")[0]]
var code = req.split(" ").slice(1).join(" ")
if (foundContainer)
res.json({"res":execSync(container+foundContainer+code).toString()})
else
res.json({"res":"language not supported"})
});
// could specify name, it then contiue instance
// ~/.openai-codex-test-xr
// potential alt backend to generate
app.get('/currenturl', function(req, res){
// could instead be the webxr page
let now = + new Date()
fs.appendFile('currentURL.txt', now+" "+req.query.url+" "+req.query.referrer+"\n", function (err) { if (err) throw err; });
// could be JSON instead
res.json({"status":"test"})
});
app.use('/static', express.static(path.join(__dirname, '.')))
// including currentURL.txt
const port = 7777
app.listen(port, () =>
console.log('listening on port', port)
);

@ -1,948 +0,0 @@
const prefix = /^jxr /
const codeFontColor = "lightgrey"
const fontColor= "white"
var selectedElement = null;
var targets = []
const zeroVector3 = new THREE.Vector3()
var bbox = new THREE.Box3()
bbox.min.copy( zeroVector3 )
bbox.max.copy( zeroVector3 )
var selectionBox = new THREE.BoxHelper( bbox.object3D, 0x0000ff);
var groupHelpers = []
var primaryPinchStarted = false
var wristShortcut = "jxr switchToWireframe()"
var selectionPinchMode = false
var groupingMode = false
var hudTextEl // should instead rely on the #typinghud selector in most cases
const startingText = "[]"
var added = []
const maxItemsFromSources = 20
let alphabet = ['abcdefghijklmnopqrstuvwxyz', '0123456789', '<>'];
var commandhistory = []
var groupSelection = []
var primarySide = 0
const sides = ["right", "left"]
var pinches = [] // position, timestamp, primary vs secondary
var dl2p = null // from distanceLastTwoPinches
var selectedElements = [];
// ==================================== picking ======================================================
AFRAME.registerComponent('target', {
init: function () {
targets.push( this.el )
this.el.classList.add("collidable")
}
})
// note that set is an array of elements from e.g getArrayFromClass(classname)
// it is NOT a selector!
function getClosestElements( pos, threshold=0.05, set ){
// assumes pos has now no offset
// TODO Bbox intersects rather than position
return set.filter( e => e.getAttribute("visible") == true)
.map( t => {
let posTarget = new THREE.Vector3()
t.object3D.getWorldPosition( posTarget )
let d = pos.distanceTo( posTarget )
return { el: t, dist : d }
})
.filter( t => t.dist < threshold && t.dist > 0 )
.sort( (a,b) => a.dist > b.dist)
}
function getClosestElement( pos, threshold=0.05, set ){ // 10x lower threshold for flight mode
var res = null
// assumes both hands have the same (single) parent, if any
let parentPos = document.getElementById('rig').getAttribute('position')
pos.add( parentPos )
const matches = getClosestElements( pos, threshold, set)
if (matches.length > 0) res = matches[0].el
return res
}
function getClosestTargetElement( pos, threshold=0.05 ){ // 10x lower threshold for flight mode
return getClosestElement( pos, threshold, targets)
}
// ==================================== HUD ======================================================
var keyboardInputTarget = 'hud'
AFRAME.registerComponent('hud', {
init: function(){
var feedbackHUDel= document.createElement("a-troika-text")
feedbackHUDel.id = "feedbackhud"
feedbackHUDel.setAttribute("value", "")
feedbackHUDel.setAttribute("position", "-0.05 0.01 -0.2")
feedbackHUDel.setAttribute("scale", "0.05 0.05 0.05")
this.el.appendChild( feedbackHUDel )
var typingHUDel = document.createElement("a-troika-text")
typingHUDel.id = "typinghud"
typingHUDel.setAttribute("value", startingText)
typingHUDel.setAttribute("position", "-0.05 0 -0.2")
typingHUDel.setAttribute("scale", "0.05 0.05 0.05")
this.el.appendChild( typingHUDel )
hudTextEl = typingHUDel // should rely on the id based selector now
document.addEventListener('keyup', function(event) {
if (keyboardInputTarget != 'hud') return
parseKeys('keyup', event.key)
});
document.addEventListener('keydown', function(event) {
if (keyboardInputTarget != 'hud') return
parseKeys('keydown', event.key)
});
}
})
function appendToFeedbackHUD(txt){
setFeedbackHUD( document.querySelector("#feedbackhud").getAttribute("value") + " " + txt )
}
function setFeedbackHUD(txt){
document.querySelector("#feedbackhud").setAttribute("value",txt)
setTimeout( _ => document.querySelector("#feedbackhud").setAttribute("value","") , 2000)
}
function appendToHUD(txt){
const textHUD = document.querySelector("#typinghud").getAttribute("value")
if ( textHUD == startingText)
setHUD( txt )
else
setHUD( textHUD + txt )
}
function setHUD(txt){
document.querySelector("#typinghud").setAttribute("value",txt)
}
function showhistory(){
setFeedbackHUD("history :\n")
commandhistory.map( i => appendToHUD(i.uninterpreted+"\n") )
}
function saveHistoryAsCompoundSnippet(){
addNewNote( commandhistory.map( e => e.uninterpreted ).join("\n") )
}
// ==================================== pinch primary and secondary ======================================================
AFRAME.registerComponent('pinchsecondary', {
init: function () {
this.el.addEventListener('pinchended', function (event) {
selectedElement = getClosestTargetElement( event.detail.position )
selectedElements.push({element:selectedElement, timestamp:Date.now(), primary:false})
// could push on pinchstarted instead
// if close enough to a target among a list of potential targets, unselect previous target then select new
if (selectedElement) interpretJXR( selectedElement.getAttribute("value"), selectedElement )
// if (selectedElement) selectedElement.emit('released', {element:selectedElement, timestamp:Date.now(), primary:false})
// would be coherent BUT so far NOT testing on e.detail.primary thus probably getting unexpected behaviors
selectedElement = null
});
this.el.addEventListener('pinchmoved', function (event) {
if (selectionPinchMode){
bbox.min.copy( event.detail.position )
setFeedbackHUD( "selectionPinchMode updated min")
if (!bbox.max.equal(zeroVector3))
selectionBox.update();
}
});
this.el.addEventListener('pinchstarted', function (event) {
if (!selectionPinchMode) bbox.min.copy( zeroVector3 )
if (selectionPinchMode) setFeedbackHUD( "selectionPinchMode started")
});
},
remove: function() {
// should remove event listeners here. Requires naming them.
}
});
AFRAME.registerComponent('pinchprimary', { // currently only 1 hand, the right one, should be switchable
// consider instead https://github.com/AdaRoseCannon/handy-work/blob/main/README-AFRAME.md for specific poses
// or https://aframe.io/aframe/examples/showcase/hand-tracking/pinchable.js
init: function () {
var el = this.el
this.el.addEventListener('pinchended', function (event) {
// if positioned close enough to a target zone, trigger action
// see own trigger-box component. Could use dedicated threejs helpers instead.
// https://github.com/Utopiah/aframe-triggerbox-component/blob/master/aframe-triggerbox-component.js#L66
// could make trigger zones visible as debug mode
//let pos = event.detail.position
//let parentPos = document.getElementById('rig').getAttribute('position')
//pos.add( parentPos )
//var closests = getClosestTargetElements( pos )
//if (closests && closests.length > 0) // avoiding self reference
// setFeedbackHUD("close enough, could stack with "+ closests[1].el.getAttribute("value") )
var dist = event.detail.position.distanceTo( document.querySelector("#box").object3D.position )
if (dist < .1){
setFeedbackHUD("close enough, replaced shortcut with "+ selectedElement.getAttribute("value") )
wristShortcut = selectedElement.getAttribute("value")
}
if (selectedElement){
let content = selectedElement.getAttribute("value")
selectedElement.emit('released', {element:selectedElement, timestamp:Date.now(), primary:true})
} else {
AFRAME.scenes[0].emit('emptypinchreleased', {position:event.detail.position, timestamp:Date.now() })
}
// unselect current target if any
selectedElement = null;
if ( groupingMode ) addToGroup( event.detail.position )
selectionPinchMode = false
/*
setHUD( AFRAME.utils.coordinates.stringify( bbox.min ),
AFRAME.utils.coordinates.stringify( bbox.max ) )
bbox.min.copy( zeroVector3 )
bbox.man.copy( zeroVector3 )
*/
setTimeout( _ => primaryPinchStarted = false, 200) // delay otherwise still activate on release
var newPinchPos = new THREE.Vector3()
newPinchPos.copy(event.detail.position )
pinches.push({position:newPinchPos, timestamp:Date.now(), primary:true})
dl2p = distanceLastTwoPinches()
});
this.el.addEventListener('pinchmoved', function (event) {
// move current target if any
if (selectionPinchMode){
bbox.max.copy( event.detail.position )
if (!bbox.min.equal(zeroVector3))
selectionBox.update();
}
if (selectedElement && !groupingMode) {
let pos = event.detail.position
let parentPos = document.getElementById('rig').getAttribute('position')
pos.add( parentPos )
pos.sub( selectedElements.at(-1).startingPosition )
selectedElement.setAttribute("position", pos )
document.querySelector("#rightHand").object3D.traverse( e => {
if (e.name == "ring-finger-tip"){
selectedElement.object3D.rotation.copy( e.rotation )
}
})
// rotation isn't ideal with the wrist as tend not have wrist flat as we pinch
}
if (selectedElement) {
selectedElement.emit("moved")
} else {
AFRAME.scenes[0].emit('emptypinchmoved', {position:event.detail.position, timestamp:Date.now() })
}
});
this.el.addEventListener('pinchstarted', function (event) {
primaryPinchStarted = true
if (!selectionPinchMode) bbox.max.copy( zeroVector3 )
//var clone = getClosestTargetElement( event.detail.position ).cloneNode()
// might want to limit cloning to unmoved element and otherwise move the cloned one
//AFRAME.scenes[0].appendChild( clone )
//targets.push( clone )
//selectedElement = clone
selectedElement = getClosestTargetElement( event.detail.position )
if (selectedElement) {
let startingPosition = new THREE.Vector3()
selectedElement.parentEl.object3D.getWorldPosition( startingPosition )
selectedElements.push({element:selectedElement, timestamp:Date.now(), startingPosition: startingPosition, primary:true})
selectedElement.emit("picked")
} else {
AFRAME.scenes[0].emit('emptypinch', {position:event.detail.position, timestamp:Date.now() })
}
// is it truly world position? See https://github.com/aframevr/aframe/issues/5182
// setFeedbackHUD( AFRAME.utils.coordinates.stringify( event.detail.position ) )
// if close enough to a target among a list of potential targets, unselect previous target then select new
});
},
remove: function() {
// should remove event listeners here. Requires naming them.
}
});
// avoiding setOnDropFromAttribute() as it is not idiosyncratic and creates timing issues
AFRAME.registerComponent('onreleased', { // changed from ondrop to be coherent with event name
// could support multi
events: {
released: function (e) {
let code = this.el.getAttribute('onreleased')
// if multi, should also look for onreleased__ not just onreleased
try {
eval( code ) // should be jxr too e.g if (txt.match(prefix)) interpretJXR(txt)
} catch (error) {
console.error(`Evaluation failed with ${error}`);
}
}
}
})
AFRAME.registerComponent('onpicked', {
// could support multi
events: {
picked: function (e) {
let code = this.el.getAttribute('onpicked')
// if multi, should also look for onreleased__ not just onreleased
try {
eval( code ) // should be jxr too e.g if (txt.match(prefix)) interpretJXR(txt)
} catch (error) {
console.error(`Evaluation failed with ${error}`);
}
}
}
})
function onNextPrimaryPinch(callback){
// could add an optional filter, e.g only on specific ID or class
// e.g function onNextPrimaryPinch(callback, filteringSelector){}
let lastPrimary = selectedElements.filter( e => e.primary ).length
let checkForNewPinches = setInterval( _ => {
if (selectedElements.filter( e => e.primary ).length > lastPrimary){
let latest = selectedElements[selectedElements.length-1].element
if (latest) callback(latest)
clearInterval(checkForNewPinches)
}
}, 50) // relatively cheap check, filtering on small array
}
function distanceLastTwoPinches(){
let dist = null
if (pinches.length>1){
dist = pinches[pinches.length-1].position.distanceTo( pinches[pinches.length-2].position )
}
return dist
}
function groupSelectionToNewNote(){
var text = ""
groupSelection.map( grpel => {
//removeBoundingBoxToTextElement( grpel )
// somehow fails...
text += grpel.getAttribute("value") + "\n"
})
groupHelpers.map( e => e.removeFromParent() )
groupHelpers = []
groupSelection = []
addNewNote( text )
}
// ==================================== keyboard ======================================================
AFRAME.registerComponent('keyboard', {
init:function(){
let generatorName = this.attrName
const horizontaloffset = .7
const horizontalratio = 1/20
alphabet.map( (line,ln) => {
for (var i = 0; i < line.length; i++) {
var pos = i * horizontalratio - horizontaloffset
addNewNote( line[i], pos+" "+(1.6-ln*.06)+" -.4", ".1 .1 .1", null, generatorName)
}
})
}
})
function parseKeys(status, key){
var e = hudTextEl
if (status == "keyup"){
if (key == "Control"){
groupingMode = false
groupSelectionToNewNote()
}
}
if (status == "keydown"){
var txt = e.getAttribute("value")
if (txt == "[]")
e.setAttribute("value", "")
if (key == "Backspace" && txt.length)
e.setAttribute("value", txt.slice(0,-1))
if (key == "Control")
groupingMode = true
if (key == "Shift" && selectedElement)
e.setAttribute("value", selectedElement.getAttribute("value") )
else if (key == "Enter") {
if ( selectedElement ){
var clone = selectedElement.cloneNode()
clone.setAttribute("scale", "0.1 0.1 0.1") // somehow lost
AFRAME.scenes[0].appendChild( clone )
targets.push( clone )
selectedElement = clone
} else {
if (txt.match(prefix)) interpretJXR(txt)
// check if text starts with jxr, if so, also interpret it.
addNewNote(e.getAttribute("value"))
e.setAttribute("value", "")
}
} else {
// consider also event.ctrlKey and multicharacter ones, e.g shortcuts like F1, HOME, etc
if (key.length == 1)
e.setAttribute("value", e.getAttribute("value") + key )
}
}
}
// ==================================== note as text and possibly executable snippet ======================================================
function addNewNote( text, position=`-0.2 1.1 -0.1`, scale= "0.1 0.1 0.1", id=null, classes="notes", visible="true", rotation="0 0 0" ){
var newnote = document.createElement("a-troika-text")
newnote.setAttribute("anchor", "left" )
newnote.setAttribute("outline-width", "5%" )
newnote.setAttribute("outline-color", "black" )
newnote.setAttribute("visible", visible )
if (id)
newnote.id = id
else
newnote.id = "note_" + crypto.randomUUID() // not particularly descriptive but content might change later on
if (classes)
newnote.className += classes
newnote.setAttribute("side", "double" )
var userFontColor = AFRAME.utils.getUrlParameter('fontcolor')
if (userFontColor && userFontColor != "")
newnote.setAttribute("color", userFontColor )
else
newnote.setAttribute("color", fontColor )
if (text.match(prefix))
newnote.setAttribute("color", codeFontColor )
newnote.setAttribute("value", text )
//newnote.setAttribute("font", "sw-test/Roboto-msdf.json")
newnote.setAttribute("position", position)
newnote.setAttribute("rotation", rotation)
newnote.setAttribute("scale", scale)
AFRAME.scenes[0].appendChild( newnote )
targets.push(newnote)
return newnote
}
AFRAME.registerComponent('annotation', {
// consider also multiple annotation but being mindful that it might clutter significantly
schema: {
content : {type: 'string'}
},
init: function () {
addAnnotation(this.el, this.data.content)
},
update: function () {
this.el.querySelector('.annotation').setAttribute('value', this.data.content )
// assuming single annotation
},
remove: function () {
this.el.querySelector('.annotation').removeFromParent()
//Array.from( this.el.querySelectorAll('.annotation') ).map( a => a.removeFromParent() )
}
})
function addAnnotation(el, content){
// could also appear only when in close proximity or while pinching
let annotation = document.createElement( 'a-troika-text' )
annotation.classList.add( 'annotation' )
annotation.setAttribute('value', content)
annotation.setAttribute('position', '0 .1 -.1')
annotation.setAttribute('rotation', '-90 0 0')
annotation.setAttribute("anchor", "left" )
annotation.setAttribute("outline-width", "5%" )
annotation.setAttribute("outline-color", "black" )
el.appendChild(annotation)
return el
}
function interpretAny( code ){
if (!code.match(/^dxr /)) return
var newcode = code
newcode = newcode.replace("dxr ", "")
//newcode = newcode.replace(/bash ([^\s]+)/ ,`debian '$1'`) // syntax delegated server side
fetch("/command?command="+newcode).then( d => d.json() ).then( d => {
console.log( d.res )
appendToHUD( d.res ) // consider shortcut like in jxr to modify the scene directly
// res might return that said language isn't support
// commandlistlanguages could return a list of supported languages
})
}
function parseJXR( code ){
// should make reserved keywords explicit.
var newcode = code
newcode = newcode.replace("jxr ", "")
newcode = newcode.replace(/(\d)s (.*)/ ,`setTimeout( _ => { $2 }, $1*1000)`)
// qs X => document.querySelector("X")
newcode = newcode.replace(/qs ([^\s]+)/ ,`document.querySelector('$1')`)
// sa X Y => .setAttribute("X", "Y")
newcode = newcode.replace(/ sa ([^\s]+) (.*)/,`.setAttribute('$1','$2')`)
// problematic for position as they include spaces
newcode = newcode.replace(/obsv ([^\s]+)/ ,`newNoteFromObservableCell('$1')`)
// TODO
//<a-text target value="jxr observe selectedElement" position="0 1.25 -0.2" scale="0.1 0.1 0.1"></a-text>
newcode = newcode.replace(/observe ([^\s]+)/,`bindVariableValueToNewNote('$1')`)
// could proxy instead... but for now, the quick and dirty way :
// e.g qs a-sphere sa color red =>
// document.querySelector("a-sphere").setAttribute("color", "red")
newcode = newcode.replace(/lg ([^\s]+) ([^\s]+)/ ,`addGltfFromURLAsTarget('$1',$2)`)
// order matters, here we only process the 2 params if they are there, otherwise 1
newcode = newcode.replace(/lg ([^\s]+)/ ,`addGltfFromURLAsTarget('$1')`)
return newcode
}
function interpretJXR( code, sourceElement ){
if (!code) return
if (code.length == 1) { // special case of being a single character, thus keyboard
if (code == ">") { // Enter equivalent
content = hudTextEl.getAttribute("value")
if (Number.isFinite(Number(content))) {
loadPageRange(Number(content));
} else {
addNewNote( content )
}
setHUD("")
} else if (code == "<") { // Backspace equivalent
setHUD( hudTextEl.getAttribute("value").slice(0,-1))
} else {
appendToHUD( code )
}
}
if (!code.match(prefix)) return
var uninterpreted = code
var parseCode = ""
code.split("\n").map( lineOfCode => parseCode += parseJXR( lineOfCode ) + ";" )
// could ignore meta code e.g showhistory / saveHistoryAsCompoundSnippet
commandhistory.push( {date: +Date.now(), uninterpreted: uninterpreted, interpreted: parseCode} )
console.log( parseCode )
if (sourceElement){
let consoleEl = sourceElement.querySelector("a-console")
if (consoleEl === null){
consoleEl = document.createElement("a-console")
consoleEl.setAttribute("position","1 -.4 0")
consoleEl.setAttribute("font-size","30")
consoleEl.setAttribute("height",".4")
consoleEl.setAttribute("width","2")
consoleEl.setAttribute("skip-intro",true)
sourceElement.appendChild(consoleEl)
}
consoleEl.setAttribute("visible", "true")
setTimeout( _ => consoleEl.setAttribute("visible", "false") , 10000)
}
try {
eval( parseCode )
} catch (error) {
console.error(`Evaluation failed with ${error}`);
}
// unused keyboard shortcuts (e.g BrowserSearch) could be used too
// opt re-run it by moving the corresponding text in target volume
}
function bindVariableValueToNewNote(variableName){
// from observe jxr keyword
const idName = "bindVariableValueToNewNote"+variableName
addNewNote( variableName + ":" + eval(variableName), `-0.15 1.4 -0.1`, "0.1 0.1 0.1", idName, "observers", "true" )
// could add to the HUD instead and have a list of these
return setInterval( _ => {
const value = variableName+";"+eval(variableName)
// not ideal for DOM elements, could have shortcuts for at least a-text with properties, e.g value or position
document.getElementById(idName).setAttribute("value", value)
}, 100 )
}
AFRAME.registerComponent('gltf-jxr', {
events: {
"model-loaded": function (evt) {
this.el.object3D.traverse( n => { if (n.userData.jxr) {
console.log(n.userData)
// need to make gltf become a child of a note to be executable on pinch
// try reparenting first... otherwise var clone = this.el.cloneNode(true)
// might not be great, cf https://github.com/aframevr/aframe/issues/2425
let pos = this.el.object3D.position.clone()
let rot = this.el.object3D.rotation.clone()
this.el.remove()
let note = addNewNote( n.userData.jxr, pos, "0.1 0.1 0.1", null, "gltf-jxr-source")
let clone = this.el.cloneNode(true)
clone.setAttribute('position', '0 0 0')
clone.setAttribute('scale', '10 10 10') // assuming not scaled until now, surely wrong
// need rescaling to current scale by 1/0.1, clone.setAttribute(
clone.removeAttribute('gltf-jxr')
note.appendChild(clone)
}
})
},
},
/* example of backend code to annotate the glTF
import { NodeIO } from '@gltf-transform/core';
import { ALL_EXTENSIONS } from '@gltf-transform/extensions';
const io = new NodeIO().registerExtensions(ALL_EXTENSIONS);
const document = await io.read('PopsicleChocolate.glb');
const node = document.getRoot() // doesn't seem to work.listNodes().find((node) => node.getName() === 'RootNode');
node.setExtras({jxr: "jxr addNewNote('hi')"});
await io.write('output.glb', document);
*/
});
// ==================================== interactions beyond pinch ======================================================
AFRAME.registerComponent('wristattachsecondary',{
schema: {
target: {type: 'selector'},
},
init: function () {
var el = this.el
this.worldPosition=new THREE.Vector3();
this.skip = false
if (! this.data.target ) this.skip = true
},
tick: function () {
if (this.skip) return
// could check if it exists first, or isn't 0 0 0... might re-attach fine, to test
// somehow very far away... need to convert to local coordinate probably
// localToWorld?
(primarySide == 0) ? secondarySide = 1 : secondarySide = 0
var worldPosition=this.worldPosition;
this.el.object3D.traverse( e => { if (e.name == "wrist") {
worldPosition.copy(e.position);e.parent.updateMatrixWorld();e.parent.localToWorld(worldPosition)
rotation = e.rotation.x*180/3.14 + " " + e.rotation.y*180/3.14 + " " + e.rotation.z*180/3.14
this.data.target.setAttribute("rotation", rotation)
this.data.target.setAttribute("position",
AFRAME.utils.coordinates.stringify( worldPosition ) )
// doesnt work anymore...
//this.data.target.setAttribute("rotation", AFRAME.utils.coordinates.stringify( e.getAttribute("rotation") )
}
})
},
remove: function() {
// should remove event listeners here. Requires naming them.
}
});
function doublePinchToScale(){
let initialPositionSecondary
let initialScale
let elSecondary = document.querySelector('[pinchsecondary]')
elSecondary.addEventListener('pinchmoved', movedSecondary );
function movedSecondary(event){
if (!selectedElement) return
let scale = initialScale * initialPositionSecondary.distanceTo(event.detail.position) * 50
selectedElement.setAttribute("scale", ""+scale+" "+scale+" "+scale+" ")
}
elSecondary.addEventListener('pinchstarted', startedSecondary );
function startedSecondary(event){
initialPositionSecondary = event.detail.position.clone()
if (!selectedElement) return
initialScale = AFRAME.utils.coordinates.parse( selectedElement.getAttribute("scale") ).x
}
}
// from https://aframe.io/aframe/examples/showcase/hand-tracking/pressable.js
// modified to support teleportation via #rig
AFRAME.registerComponent('pressable', {
schema:{pressDistance:{default:0.06}},
init:function(){this.worldPosition=new THREE.Vector3();this.handEls=document.querySelectorAll('[hand-tracking-controls]');this.pressed=false;},
tick:function(){
var handEls=this.handEls;var handEl;
var distance;
for(var i=0;i<handEls.length;i++){
handEl=handEls[i];distance=this.calculateFingerDistance(handEl.components['hand-tracking-controls'].indexTipPosition);
if(distance>0 && distance<this.data.pressDistance){
if(!this.pressed){this.el.emit('pressedstarted');}
this.pressed=true;return;}
}
if(this.pressed){this.el.emit('pressedended');} // somehow happens on click, outside of VR
this.pressed=false;
},
calculateFingerDistance:function(fingerPosition){
let parentPos = document.getElementById('rig').getAttribute('position')
fingerPosition.add( parentPos )
var el=this.el;
var worldPosition=this.worldPosition;
worldPosition.copy(el.object3D.position);
el.object3D.parent.updateMatrixWorld();
el.object3D.parent.localToWorld(worldPosition);
return worldPosition.distanceTo(fingerPosition);
}
});
AFRAME.registerComponent('start-on-press', {
// should become a property of the component instead to be more flexible.
init: function(){
let el = this.el
this.el.addEventListener('pressedended', function (event) {
console.log(event)
// should ignore that if we entered XR recently
if (!primaryPinchStarted && wristShortcut.match(prefix)) interpretJXR(wristShortcut)
// seems to happen also when entering VR
// other action could possibly based on position relative to zones instead, i.e a list of bbox/functions pairs
})
}
})
function thumbToIndexPull(){
let p = document.querySelector('[pinchprimary]')
let tip = new THREE.Vector3(); // create once an reuse it
let proximal = new THREE.Vector3(); // create once an reuse it
let thumb = new THREE.Vector3(); // create once an reuse it
let touches = []
const threshold_thumb2tip = 0.01
const threshold_thumb2proximal = 0.05
let indexesTipTracking = setInterval( _ => {
// cpnsider getObjectByName() instead
p.object3D.traverse( e => { if (e.name == 'index-finger-tip' ) tip = e.position })
//index-finger-phalanx-distal
//index-finger-phalanx-intermediate
p.object3D.traverse( e => { if (e.name == 'index-finger-phalanx-proximal' ) proximal = e.position })
p.object3D.traverse( e => { if (e.name == 'thumb-tip' ) thumb = e.position })
let touch = {}
touch.date = Date.now()
touch.thumb2tip = thumb.distanceTo(tip)
if (!touch.thumb2tip) return
touch.thumb2proximal = thumb.distanceTo(proximal)
//console.log( touch.thumb2tip, touch.thumb2proximal )
// usually <1cm <4cm (!)
//if ((touch.thumb2tip && touch.thumb2tip < threshold_thumb2tip)
//|| (touch.thumb2proximal && touch.thumb2proximal < threshold_thumb2proximal))
if (touch.thumb2tip < threshold_thumb2tip
|| touch.thumb2proximal < threshold_thumb2proximal){
if (touches.length){
let previous = touches[touches.length-1]
if (touch.date - previous.date < 300){
if (touch.thumb2tip < threshold_thumb2tip &&
previous.thumb2proximal < threshold_thumb2proximal){
console.log('^')
p.emit('thumb2indexpull')
}
if (touch.thumb2proximal < threshold_thumb2proximal &&
previous.thumb2tip < threshold_thumb2tip){
console.log('v')
p.emit('thumb2indexpush')
}
}
}
touches.push(touch)
}
}, 50)
// TODO
// Bind thumb2indexpush/thumb2indexpull to zoom in/out "world" i.e all assets that aren't "special" e.g self, lights, UI
}
let changeovercheck
AFRAME.registerComponent('changeover', {
schema: { color : {type: 'string'} },
init: function () {
// (this.el, this.data.content)
if (changeovercheck) return
let player = document.getElementById('player') // assuming single player, non networked
console.log('adding timer')
changeovercheck = setInterval( _ => {
let pos = player.getAttribute('position').clone()
pos.y = 0.1 // hard coded but should be from component element
let hits = Array.from(document.querySelectorAll('[changeover]'))
.filter( e => e.getAttribute("visible") == true)
.map( t => { return { el: t, dist : pos.distanceTo(t.getAttribute("position") ) } })
.filter( t => t.dist < 0.02 )
.sort( (a,b) => a.dist > b.dist)
//console.log(hits.length)
if (hits.length>0) {
setFeedbackHUD('touching cone')
console.log('touching cone')
hits[hits.length-1].el.setAttribute('color', 'red')
}
}, 50)
}
})
// to add only on selectable elements, thus already with a target component attached
AFRAME.registerComponent('pull', {
events: {
picked: function (evt) {
this.startePos = this.el.getAttribute('position').clone()
this.starteRot = this.el.getAttribute('rotation')//.clone() not necessary as converted first
this.decimtersEl = document.createElement('a-troika-text')
AFRAME.scenes[0].appendChild(this.decimtersEl)
},
moved: function (evt) {
let pos = AFRAME.utils.coordinates.stringify( this.startePos )
let oldpos = AFRAME.utils.coordinates.stringify( this.el.getAttribute('position') )
AFRAME.scenes[0].setAttribute("line__pull", `start: ${oldpos}; end : ${pos};`)
let d = this.startePos.distanceTo( this.el.getAttribute('position') )
// could show a preview state before release, e.g
let decimeters = Math.round(d*10)
console.log('pulling '+decimeters+' pages')
// update visible value instead, ideally under line but still facing user
let textPos = new THREE.Vector3()
textPos.lerpVectors(this.startePos, this.el.getAttribute('position'), .7)
this.decimtersEl.setAttribute('position', textPos )
this.decimtersEl.setAttribute('rotation', this.el.getAttribute('rotation') )
this.decimtersEl.setAttribute('value', decimeters )
},
released: function (evt) {
let d = this.startePos.distanceTo( this.el.getAttribute('position') )
console.log('This entity was released '+ d + 'm away from picked pos')
this.el.setAttribute('position', AFRAME.utils.coordinates.stringify( this.startePos ))
this.el.setAttribute('rotation', AFRAME.utils.coordinates.stringify( this.starteRot ))
AFRAME.scenes[0].removeAttribute("line__pull")
this.decimtersEl.remove()
},
},
});
// ==================================== utils on entities and classes ======================================================
function toggleVisibilityEntitiesFromClass(classname){
let entities = Array.from( document.querySelectorAll("."+classname) )
if (entities.length == 0) return
let state = entities[0].getAttribute("visible") // assume they are all the same
if (state)
entities.map( e => e.setAttribute("visible", "false"))
else
entities.map( e => e.setAttribute("visible", "true"))
}
function pushLeftClass(classname, value=.1){
Array.from( document.querySelectorAll("."+classname) ).map( e => e.object3D.position.x -= value)
}
function pushRightClass(classname, value=.1){
Array.from( document.querySelectorAll("."+classname) ).map( e => e.object3D.position.x += value)
}
function pushUpClass(classname, value=.1){
Array.from( document.querySelectorAll("."+classname) ).map( e => e.object3D.position.y += value)
}
function pushDownClass(classname, value=.1){
// can be used for accessibiliy, either directly or sampling e.g 10s after entering VR to lower based on the estimated user height
Array.from( document.querySelectorAll("."+classname) ).map( e => e.object3D.position.y -= value)
}
function pushBackClass(classname, value=.1){
Array.from( document.querySelectorAll("."+classname) ).map( e => e.object3D.position.z -= value)
}
function pushFrontClass(classname, value=.1){
Array.from( document.querySelectorAll("."+classname) ).map( e => e.object3D.position.z += value)
}
function toggleVisibilityAllGenerators(){
generators.split(" ").map( g => toggleVisibilityEntitiesFromClass(g) )
// not hidableassets though
}
function toggleVisibilityAll(){
toggleVisibilityAllGenerators()
toggleVisibilityEntitiesFromClass("hidableassets")
}
function toggleVisibilityAllButClass(classname){
generators.split(" ").filter( e => e != classname).map( g => toggleVisibilityEntitiesFromClass(g) )
toggleVisibilityEntitiesFromClass("hidableassets")
}
function switchSide(){
// mostly works... but event listeners are not properly removed. Quickly creates a mess, low performance and unpredictable.
document.querySelector("#"+sides[primarySide]+"Hand").removeAttribute("pinchprimary")
document.querySelector("#"+sides[secondarySide]+"Hand").removeAttribute("pinchsecondary")
document.querySelector("#"+sides[secondarySide]+"Hand").removeAttribute("wristattachsecondary")
document.querySelector("#"+sides[secondarySide]+"Hand").setAttribute("pinchprimary", "")
document.querySelector("#"+sides[primarySide]+"Hand").setAttribute("pinchsecondary", "")
document.querySelector("#"+sides[primarySide]+"Hand").setAttribute("wristattachsecondary", "target: #box")
if (primarySide == 0) {
secondarySide = 0
primarySide = 1
} else {
primarySide = 0
secondarySide = 1
}
}
function getIdFromPick(){
let id = null
let pp = selectedElements.filter( e => e.primary )
if (pp && pp[pp.length-1] && pp[pp.length-1].element ){
if (!pp[pp.length-1].element.id) pp[pp.length-1].element.id= "missingid_"+Date.now()
id = pp[pp.length-1].element.id
setFeedbackHUD(id)
}
return id
}
function getClassFromPick(){ // should be classes, for now assuming one
let classFound = null
let pp = selectedElements.filter( e => e.primary )
if (pp && pp[pp.length-1] && pp[pp.length-1].element ){
//if (!pp[pp.length-1].element.className) pp[pp.length-1].element.className= "missingclass"
// arguable
classFound = pp[pp.length-1].element.className
setFeedbackHUD(classFound)
}
return classFound
}
function getArrayFromClass(classname){
return Array.from( document.querySelectorAll("."+classname) )
}
function applyToClass(classname, callback, value){
// example applyToClass("template_object", (e, val ) => e.setAttribute("scale", val), ".1 .1 .2")
getArrayFromClass(classname).map( e => callback(e, value))
// could instead become a jxr shortcut, namely apply a set attribute to a class of entities
}
function addDropZone(position="0 1.4 -0.6", callback=setFeedbackHUD, radius=0.11){
// consider how this behavior could be similar to the wrist watch shortcut
// namely binding it to a jxr function
let el = document.createElement("a-sphere")
el.setAttribute("wireframe", true)
el.setAttribute("radius", radius)
el.setAttribute("position", position)
el.id = "dropzone_"+Date.now()
AFRAME.scenes[0].appendChild( el )
let sphere = new THREE.Sphere( AFRAME.utils.coordinates.parse( position ), radius )
// could become movable but would then need to move the matching sphere too
// could be a child of that entity
let pincher = document.querySelector('[pinchprimary]')
pincher.addEventListener('pinchended', function (event) {
if (selectedElements.length){
let lastDrop = selectedElements[selectedElements.length-1]
if ((Date.now() - lastDrop.timestamp) < 1000){
if (sphere.containsPoint( lastDrop.element.getAttribute("position"))){
// should be a threejs sphere proper, not a mesh
console.log("called back" )
callback( lastDrop.selectedElement )
}
}
}
})
// never unregister
return el
}
// ==================================== facilitating debugging ======================================================
function makeAnchorsVisibleOnTargets(){
targets.map( t => {
let controlSphere = document.createElement("a-sphere")
controlSphere.setAttribute("radius", 0.05)
controlSphere.setAttribute("color", "blue")
controlSphere.setAttribute("wireframe", "true")
controlSphere.setAttribute("segments-width", 8)
controlSphere.setAttribute("segments-height", 8)
t.appendChild( controlSphere )
}) // could provide a proxy to be able to monitor efficiently
}
function switchToWireframe(){
let model = document.querySelector("#environment")?.object3D
if (model) model.traverse( o => { if (o.material) {
let visible = !o.material.wireframe
o.material.wireframe = visible;
o.material.opacity = visible ? 0.05 : 1;
o.material.transparent = visible;
} })
}

@ -1,221 +0,0 @@
console.log('jxr extras to gradually add, by default could refer to branches instead then add as components proper')
console.log('arguably utils and additional interactions beyond pinche could be extras rather than core')
console.log('extra could also be empty...')
// from https://glitch.com/edit/#!/zen-pim?path=graph-cyto-headless.html
// see also https://observablehq.com/@utopiah/d3-pim-graph
// motivated by https://these.arthurperret.fr/chapitre-4.html#cosmographe-et-cosmoscope
const cytoJson = "https://vatelier.benetou.fr/MyDemo/newtooling/wiki_graph_cyto.json"
var cy
var jsonLoaded
fetch(cytoJson)
.then(function (response) {
return response.json();
})
.then(function (json) {
// take nodes from wiki.Nodes then construct an array in elements for cytoscape format
// or directly from JSON http://js.cytoscape.org/#notation/elements-json
jsonLoaded = json
startCytoWithData(json)
})
.catch(function (err) {
console.log(err);
});
// should instead directly use https://vatelier.net/MyDemo/newtooling/wiki_graph_cyto.json
// generated from https://vatelier.net/MyDemo/newtooling/build_graph_cytograph.js
// cf instead http://js.cytoscape.org/demos/tokyo-railways/tokyo-railways.json more detail
// with details on how to load the JSON
function runCytoAnalysis(){
console.log('----------------- network analysis started --------------')
if (!cy.nodes('[id = "Analysis.Analysis"]').length) {
console.warn('Wrong dataset, cancelling')
return
}
// example of queries
var aStar = cy.elements().aStar({ root: '[id = "Analysis.Analysis"]', goal: '[id = "Analysis.CostsAndBenefitsOfSocietalMembership"]' })
if ( aStar.path){
console.log("Path from Analysis.Analysis to Analysis.CostsAndBenefitsOfSocietalMembership", aStar.path.edges() , aStar.path.nodes() )
aStar.path.select()
}
console.log( cy.nodes('[id = "Analysis.Analysis"]').neighborhood() )
before = Date.now()
var bc = cy.elements().bc()
after = Date.now()
console.log("took ", after-before, "ms to run.")
console.log( 'bc of j: ' + bc.betweenness('[id = "Analysis.Analysis"]') )
console.log( cy.nodes('[id = "Analysis.CostsAndBenefitsOfSocietalMembership"]').neighborhood() )
//no need to run cy.elements().bc() again. It's done once for the whole graph.
console.log( 'bc of j: ' + bc.betweenness('[id = "Analysis.CostsAndBenefitsOfSocietalMembership"]') )
console.log('----------------- network analysis done -----------------')
}
function startCytoWithData(json){
cy = cytoscape({
headless:true,
elements: json.elements
})
//runCytoAnalysis() //quite demanding, skipped for now.
let defaults = {
name: 'euler',
springLength: edge => 80,
springCoeff: edge => 0.0008,
mass: node => 4,
gravity: -1.2,
pull: 0.001,
theta: 0.666,
dragCoeff: 0.02,
movementThreshold: 1,
timeStep: 20,
refresh: 10,
animate: true,
animationDuration: undefined,
animationEasing: undefined,
maxIterations: 1000,
maxSimulationTime: 4000,
ungrabifyWhileSimulating: false,
fit: true,
padding: 30,
// Constrain layout bounds with one of
// - { x1, y1, x2, y2 }
// - { x1, y1, w, h }
// - undefined / null : Unconstrained
boundingBox: undefined,
// Layout event callbacks; equivalent to `layout.one('layoutready', callback)` for example
ready: function(){ console.log("graph ready", cy.json()) }, // on layoutready
stop: stableGraph(), // on layoutstop
randomize: false
};
// disabled for tests
//cy.layout( defaults ).run(); // too demanding for the entire graph, should limit to a subset
}
function stableGraph(){
var exportableJSON = cy.json()
console.log( 'exportable JSON', exportableJSON );
// not actually stable!
// still could be used as a form of caching BUT... would take into account new nodes added since
var node = "ReadingNotes.ApocalypticAI"
if (!cy.nodes('[id = "'+node+'"]').length) {
console.warn('Wrong dataset, cancelling')
return
}
console.log('should add/update AFrame nodes e.g', cy.elements('[id = "'+node+'"]').position())
console.log('could add all the nodes then their links with proper attributes in order to do select() after')
// using e.g. cy.nodes().forEach( n => console.log(n.data(), n.position() ) )
// cy.edges().forEach( e => console.log(e.data(), e.sourceEndpoint(), e.targetEndpoint() ))
// warning, very costly!
// run on entire wiki though whereas previous D3 instance limited to 10 pages and their targets
}
let edges_to_display = []
function displayLeafs(graph, graphEl, rootId, rootEl, depth=3){
console.log( graph[rootId].Id )
if (depth<1) return
graph[rootId].Targets.map( l => {
console.log( "-", graph[l].Id )
let x = addNodeFromGraph(graph[l].Id, "" + (Math.random()*2) + " " + (Math.random()*2) + " -" + (Math.random()*2) )
// layout could be done with Cytoscape but somehow seems I can't use it properly, in headless mode or not.
x.setAttribute('update-links-on-pinchended', true)
x.setAttribute('toggle-links-on-left-pinchended', true)
console.log("linking:", rootEl, x)
edges_to_display.push({graphel:graphEl, source:rootEl, target:x})
displayLeafs( graph, graphEl, graph[l].Id, x, --depth)
})
}
AFRAME.registerComponent('toggle-links-on-left-pinchended', {
init: function(){
let graphEl = document.querySelector("#graphroot")
let el = this.el
this.el.addEventListener('lreleased', function (event) {
// if it has children (...how knowing that we are not using the hierarchy?)
// delete them, including links (should be recursive too)
// if not, displayLeafs( mynodes, graphEl, root.Id, rootEl, 1)
// assumes not for now
displayLeafs( wikiStructure, graphEl, el.getAttribute("value"), el, 1)
setTimeout( _ => { edges_to_display.map( i => addEdgeBetweenNodesFromGraph( i.graphel, i.source, i.target ))}, 2000 )
})
}
})
AFRAME.registerComponent('update-links-on-pinchended', {
init: function(){
let rootEl = document.querySelector("#graphroot")
let el = this.el
this.el.addEventListener('released', function (event) {
Object.keys( rootEl.components ) // get all links
.filter( i => i.indexOf(el.id) > -1 ) // keeps links related to the moved node
.map( i => { // for each link
let newpos = AFRAME.utils.coordinates.stringify( el.getAttribute("position") )
let [src,tgt] = i.replace("line__","").split("__to__");
srcpos = AFRAME.utils.coordinates.stringify( rootEl.getAttribute(i).start )
tgtpos = AFRAME.utils.coordinates.stringify( rootEl.getAttribute(i).end )
if (src==el.id){
rootEl.setAttribute(i, { start: newpos, end: tgtpos })
} else {
rootEl.setAttribute(i, { start: srcpos, end: newpos })
}
})
})
}
})
let nodes = []
let edges = []
let wikiStructure = null
fetch('https://vatelier.benetou.fr/MyDemo/newtooling/wiki_graph.json').then( r => r.json() ).then( r => displayGraph(r.Nodes) );
// alternatively there is the issue component that could also display linked issues
function displayGraph(mynodes){
wikiStructure = mynodes
let startingNode = "Wiki.VirtualRealityInterface"
let root = mynodes[startingNode]
let graphEl = document.createElement("a-entity")
graphEl.id = "graphroot"
AFRAME.scenes[0].appendChild( graphEl )
let node_names = Object.keys( mynodes )
let rootEl = addNodeFromGraph(root.Id, "" + (Math.random()*2-1) + " " + (Math.random()+1) + " -" + (Math.random()*2-0.5) )
rootEl.setAttribute('update-links-on-pinchended', true)
displayLeafs( mynodes, graphEl, root.Id, rootEl, 2)
setTimeout( _ => { edges_to_display.map( i => addEdgeBetweenNodesFromGraph( i.graphel, i.source, i.target ))}, 2000 )
// quite unreliable
// should listen to an event instead to insure that nodes are all created before
}
function addNodeFromGraph(name, position="0 0 0"){
// add sphere, with its name, make it a target
// define what "it" is knowing we can't move a children with an offset
// consequently parenting should be done by the text
let el = addNewNote(name, position, ".1 .1 .1", "node_" +crypto.randomUUID(), "node_from_graph")
let sphereEl = document.createElement("a-sphere")
sphereEl.setAttribute("radius", .1)
sphereEl.setAttribute("segments-height", 4)
sphereEl.setAttribute("segments-width", 4)
sphereEl.setAttribute("wireframe", true)
sphereEl.setAttribute("position", "0 -.1 0")
el.appendChild(sphereEl)
// position shouldn't have to be offset
return el
}
function addEdgeBetweenNodesFromGraph(graphEl, a, b){
// a.setAttribute( "line-link-entities", {source: a.id, target: b.id} ) doesn't seem work, back to basics for now
graphEl.setAttribute("line__"+a.id+"__to__"+b.id, {
start: AFRAME.utils.coordinates.stringify( a.getAttribute("position") ) ,
end: AFRAME.utils.coordinates.stringify( b.getAttribute("position") )
})
// not that this doesn't take into account the parent node moving
}

@ -18,12 +18,6 @@ Examples, tap to add, optionally modify and send :
<li><a onclick=replaceWithThisText(this)>jxr toggleVisibilityEntitiesFromClass('fot')</a></li> <li><a onclick=replaceWithThisText(this)>jxr toggleVisibilityEntitiesFromClass('fot')</a></li>
</ul> </ul>
Share this URL to the browser using e.g <a id="shareablelink" href="https://hmd.link">hmd.link</a> on the same WiFi network.
<hr>
<iframe width="100%" id="pastcommands"></iframe>
<hr>
Remote preview, if available :<br/>
<img height="400px" id="remotepreview" />
<hr> <hr>
<br> <br>
Documentation as : Documentation as :
@ -35,33 +29,13 @@ Documentation as :
<li>open-source <a href=https://git.benetou.fr/utopiah/text-code-xr-engine/issues>code repository</a> of the code and to make your own suggestions via issues. </li> <li>open-source <a href=https://git.benetou.fr/utopiah/text-code-xr-engine/issues>code repository</a> of the code and to make your own suggestions via issues. </li>
<li><a href=qrcode.png>QRcode</a> of this page to share with others also on mobile.</li> <li><a href=qrcode.png>QRcode</a> of this page to share with others also on mobile.</li>
<li><a href=https://fabien.benetou.fr/pub/home/future_of_text_demo/engine/?background=../content/future_of_text_symposium/HORN-2001-FutureOfHumanCognomeCL.png&fontcolor=lightgray>background</a> as URL parameter. Feel free to use your own content.</li> <li><a href=https://fabien.benetou.fr/pub/home/future_of_text_demo/engine/?background=../content/future_of_text_symposium/HORN-2001-FutureOfHumanCognomeCL.png&fontcolor=lightgray>background</a> as URL parameter. Feel free to use your own content.</li>
<li>to create a room to work together in, add or change the ?roomname=<b>YourRoomName</b> in the browser URL
</ul> </ul>
<script> <script>
function replaceWithThisText(element){ function replaceWithThisText(element){
document.querySelector("textarea").value = element.innerText document.querySelector("textarea").value = element.innerText
} }
let pagename const url = 'https://fabien.benetou.fr/PIMVRdata/FoT?action='
const queryString = window.location.search
const urlParams = new URLSearchParams(queryString)
let = forcedPagename = urlParams.get('roomname')
forcedPagename?pagename=forcedPagename:pagename='FoT'
const baseURL = 'https://fabien.benetou.fr/PIMVRdata/'+pagename
const url = baseURL+'?action='
document.getElementById("pastcommands").src = baseURL+'?action=source'
document.getElementById("shareablelink").href = "https://hmd.link/?https://fabien.benetou.fr/pub/home/future_of_text_demo/engine/?roomname="+pagename
function refreshPreview(){
document.getElementById("remotepreview").src = "https://fabien.benetou.fr/uploads/PIMVRdata/"+pagename+".jpg#"+Date.now()
}
// seems to get cached properly, i.e only transferring when update
setInterval( _ => refreshPreview(), 1000)
function sendtovr(cabin){ function sendtovr(cabin){
text = document.querySelector("textarea").value text = document.querySelector("textarea").value
document.querySelector("textarea").value = '' document.querySelector("textarea").value = ''

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