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<!DOCTYPE html>
<meta name='viewport' content='width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0'>
<!-- three.js library -->
<script src='../../vendor/three.js/build/three.js'></script>
<script src='../../vendor/three.js/examples/js/libs/stats.min.js'></script>
<!-- jsartookit -->
<script src='../../../vendor/jsartoolkit5/build/artoolkit.min.js'></script>
<script src='../../../vendor/jsartoolkit5/js/artoolkit.api.js'></script>
<!-- aruco -->
<script src='../../../vendor/js-aruco/src/svd.js'></script>
<script src='../../../vendor/js-aruco/src/posit1.js'></script>
<script src='../../../vendor/js-aruco/src/cv.js'></script>
<script src='../../../vendor/js-aruco/src/aruco.js'></script>
<script src='../../../src/threex/threex-aruco/threex-arucocontext.js'></script>
<script src='../../../src/threex/threex-aruco/threex-arucodebug.js'></script>
<!-- include threex.artoolkit -->
<script src='../../../src/threex/threex-artoolkitsource.js'></script>
<script src='../../../src/threex/threex-artoolkitcontext.js'></script>
<script src='../../../src/threex/threex-artoolkitprofile.js'></script>
<script src='../../../src/threex/threex-arbasecontrols.js'></script>
<script src='../../../src/threex/threex-armarkercontrols.js'></script>
<script src='../../../src/threex/threex-armarkerhelper.js'></script>
<script src='../../../src/threex/threex-arsmoothedcontrols.js'></script>
<script>THREEx.ArToolkitContext.baseURL = '../../../'</script>
<script src='../threex-armultimarkerutils.js'></script>
<script src='../threex-armultimarkercontrols.js'></script>
<script src='../threex-armultimarkerlearning.js'></script>
<style>
#recordButton:hover, #recordStopButton:hover {
cursor: pointer;
}
</style>
<body style='margin : 0px; overflow: hidden; font-family: Monospace;'><div style='position: absolute; top: 10px; width:100%; text-align: center;z-index:1';>
<a href='https://github.com/jeromeetienne/AR.js/' target='_blank'>AR.js</a> - Multi marker
by <a href='https://twitter.com/jerome_etienne' target='_blank'>@jerome_etienne</a>
<br/>
Status:
<span id='appStatus' style='font-weight: bolder;'>stopped</span>
-
File:
<span id='dataStatus' style='font-weight: bolder;'>none</span>
<br/>
<a href='javascript:void(0)' onclick='onRecordClear()'>Clear File</a>
</div>
<div style='position: fixed; bottom: 16px; right: 16px; z-index:2';>
<img id='recordStartButton' src="images/record-start.png" width='64px' height='64px' onclick='onRecordStart()'>
<img id='recordStopButton' src="images/record-stop.png" width='64px' height='64px' onclick='onRecordStop()' style='display: none;'>
</div>
<div style='position: fixed; bottom: 16px; left: 16px; z-index:2' id='markersStatus';>
<div>
Tracking <span class='labelTrackingBackend'>Unknown</span> -
Learning <span class='globalStatus'>Stopped</span>
</div>
<ul></ul>
</div>
<script>
;(function(){
//////////////////////////////////////////////////////////////////////////////////
// Init
//////////////////////////////////////////////////////////////////////////////////
// init renderer
var renderer = new THREE.WebGLRenderer({
// antialias : true,
alpha: true
});
renderer.setClearColor(new THREE.Color('lightgrey'), 0)
// renderer.setPixelRatio( 2 );
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.domElement.style.position = 'absolute'
renderer.domElement.style.top = '0px'
renderer.domElement.style.left = '0px'
document.body.appendChild( renderer.domElement );
// array of functions for the rendering loop
var onRenderFcts= [];
// init scene and camera
var scene = new THREE.Scene();
//////////////////////////////////////////////////////////////////////////////
// parse urlOptions
//////////////////////////////////////////////////////////////////////////////
var hasHash = location.search.substring(1) !== '' ? true : false
if( hasHash === true ){
var urlOptions = JSON.parse(decodeURIComponent(location.search.substring(1)))
}else{
var urlOptions = {
backURL : null,
trackingBackend: 'artookit',
markerControlsParameters : [],
}
alert('no urlOption - should not happen')
}
//////////////////////////////////////////////////////////////////////////////////
// Initialize a basic camera
//////////////////////////////////////////////////////////////////////////////////
// Create a camera
if( urlOptions.trackingBackend === 'aruco' ){
var camera = new THREE.PerspectiveCamera(42, renderer.domElement.width / renderer.domElement.height, 0.01, 100);
}else if( urlOptions.trackingBackend === 'artoolkit' ){
var camera = new THREE.Camera();
}else console.assert(false)
scene.add(camera);
////////////////////////////////////////////////////////////////////////////////
// handle arToolkitSource
////////////////////////////////////////////////////////////////////////////////
var artoolkitProfile = new THREEx.ArToolkitProfile()
artoolkitProfile.sourceWebcam()
// .performance('desktop-fast')
// artoolkitProfile.sourceVideo(THREEx.ArToolkitContext.baseURL + '../data/videos/headtracking.mp4').kanjiMarker();
// artoolkitProfile.sourceImage(THREEx.ArToolkitContext.baseURL + '../data/images/img.jpg').hiroMarker()
var arToolkitSource = new THREEx.ArToolkitSource(artoolkitProfile.sourceParameters)
arToolkitSource.init(function onReady(){
onResize()
})
// handle resize
window.addEventListener('resize', function(){
onResize()
})
function onResize(){
arToolkitSource.onResizeElement()
arToolkitSource.copyElementSizeTo(renderer.domElement)
if( urlOptions.trackingBackend === 'aruco' ){
arToolkitSource.copyElementSizeTo(arToolkitContext.arucoContext.canvas)
camera.aspect = renderer.domElement.width / renderer.domElement.height;
camera.updateProjectionMatrix();
}else if( urlOptions.trackingBackend === 'artoolkit' ){
if( arToolkitContext.arController !== null ){
arToolkitSource.copyElementSizeTo(arToolkitContext.arController.canvas)
}
}else console.assert(false)
}
////////////////////////////////////////////////////////////////////////////////
// initialize arToolkitContext
////////////////////////////////////////////////////////////////////////////////
// honor urlOptions.trackingBackend
artoolkitProfile.contextParameters.trackingBackend = urlOptions.trackingBackend
// create atToolkitContext
var arToolkitContext = new THREEx.ArToolkitContext(artoolkitProfile.contextParameters)
// initialize it
arToolkitContext.init(function onCompleted(){
// if artoolkit, copy projection matrix to camera
if( arToolkitContext.parameters.trackingBackend === 'artoolkit' ){
camera.projectionMatrix.copy( arToolkitContext.getProjectionMatrix() );
}
})
// update artoolkit on every frame
onRenderFcts.push(function(){
if( arToolkitSource.ready === false ) return
arToolkitContext.update( arToolkitSource.domElement )
})
//////////////////////////////////////////////////////////////////////////////
// learn
//////////////////////////////////////////////////////////////////////////////
// prepare the parameters
var subMarkersControls = []
urlOptions.markersControlsParameters.forEach(function(markerControlsParameters){
// create a markerRoot
var markerRoot = new THREE.Group()
scene.add(markerRoot)
// create markerControls for our markerRoot
var markerControls = new THREEx.ArMarkerControls(arToolkitContext, markerRoot, markerControlsParameters)
// TODO here put a THREEx.ArSmoothedControls behind a flag - could be useful for tunning
var smoothedControls = null
if( false ){
// build a smoothedControls
var smoothedRoot = new THREE.Group()
scene.add(smoothedRoot)
var smoothedControls = new THREEx.ArSmoothedControls(smoothedRoot)
onRenderFcts.push(function(){
smoothedControls.update(markerRoot)
})
}
// add an helper to visuable each sub-marker
var markerHelper = new THREEx.ArMarkerHelper(markerControls)
if( smoothedControls !== null ){
smoothedControls.object3d.add( markerHelper.object3d )
}else{
markerControls.object3d.add( markerHelper.object3d )
}
// store it in the parameters
if( smoothedControls !== null ){
// TODO put that in the if above
subMarkersControls.push(smoothedControls)
}else {
subMarkersControls.push(markerControls)
}
})
var multiMarkerLearning = new THREEx.ArMultiMakersLearning(arToolkitContext, subMarkersControls)
// window.multiMarkerLearning = multiMarkerLearning
multiMarkerLearning.enabled = false
//////////////////////////////////////////////////////////////////////////////
// UI Functions
//////////////////////////////////////////////////////////////////////////////
function onRecordStart(){
// cant be started, if it is already started
if( multiMarkerLearning.enabled === true ){
console.log('already started')
return
}
// reset previously collected statistics
multiMarkerLearning.resetStats()
// enabled data collection
multiMarkerLearning.enabled = true
// update application status
updateAppStatus()
}
function onRecordStop(){
// cant be stopped, if it is alread stopped
if( multiMarkerLearning.enabled === false ){
console.log('already stopped')
}
// stop the application, if it is started
if( multiMarkerLearning.enabled === true ){
// stop data collection
multiMarkerLearning.enabled = false
// generate json file and store it
var jsonString = multiMarkerLearning.toJSON()
console.log('Writing multiMarkerFile', jsonString)
localStorage.setItem('ARjsMultiMarkerFile', jsonString);
// update application status
updateAppStatus()
}
// honor ?url= if present
if( urlOptions.backURL !== null ){
setTimeout(function(){
location.href = urlOptions.backURL
}, 1)
}
}
function onRecordClear(){
localStorage.removeItem('ARjsMultiMarkerFile')
updateAppStatus()
}
function updateAppStatus(){
var multiMarkerFile = localStorage.getItem('ARjsMultiMarkerFile');
if( multiMarkerFile === null ){
document.querySelector('#dataStatus').innerHTML = 'none'
}else{
var json = JSON.parse(multiMarkerFile)
var fileAge = Date.now() - new Date(json.meta.createdAt).getTime()
document.querySelector('#dataStatus').innerHTML = 'present'
var fileAge = (Date.now() - new Date(json.meta.createdAt).getTime())/1000
var deltaMinutes = Math.floor(fileAge / 60)
var deltaSecond = Math.round(fileAge % 60)
document.querySelector('#dataStatus').innerHTML = 'present since '
+ String(deltaMinutes).padStart(4)
+ 'm'
+ String(deltaSecond).padStart(2, "0")
+ 's'
}
if( multiMarkerLearning.enabled === true ){
document.querySelector('#appStatus').innerHTML = 'running'
}else{
document.querySelector('#appStatus').innerHTML = 'stopped'
}
if( multiMarkerLearning.enabled === true ){
document.querySelector('#recordStartButton').style.display = 'none'
document.querySelector('#recordStopButton').style.display = 'inherit'
}else{
document.querySelector('#recordStartButton').style.display = 'inherit'
document.querySelector('#recordStopButton').style.display = 'none'
}
}
window.onRecordStart = onRecordStart
window.onRecordStop = onRecordStop
window.onRecordClear = onRecordClear
window.multiMarkerLearning = multiMarkerLearning
updateAppStatus()
// global click on renderer.domElement is doing a recordToggle
renderer.domElement.addEventListener('click', function(){
if( multiMarkerLearning.enabled === false ){
onRecordStart()
}else{
onRecordStop()
}
})
//////////////////////////////////////////////////////////////////////////////
// UI for markersStatus
//////////////////////////////////////////////////////////////////////////////
function createUIMarkersStatus(){
document.querySelector('#markersStatus .labelTrackingBackend').innerHTML = urlOptions.trackingBackend
multiMarkerLearning.subMarkersControls.forEach(function(subMarkerControls){
var container = document.createElement('li')
container.id = 'markerStatus_'+subMarkerControls.id
var domElement = document.createElement('span')
domElement.classList.add('name')
domElement.innerHTML = subMarkerControls.name() + ' : '
container.appendChild(domElement)
var domElement = document.createElement('span')
domElement.classList.add('status')
domElement.innerHTML = '0%'
container.appendChild(domElement)
document.querySelector('#markersStatus ul').appendChild(container)
})
}
function updateUIMarkersStatus(){
//////////////////////////////////////////////////////////////////////////////
// update all subMarkersControls
//////////////////////////////////////////////////////////////////////////////
multiMarkerLearning.subMarkersControls.forEach(function(subMarkerControls){
var container = document.querySelector('#markerStatus_'+subMarkerControls.id+ ' .status')
var confidenceFactor = 0
if( subMarkerControls.object3d.userData.result !== undefined ){
var confidenceFactor = subMarkerControls.object3d.userData.result.confidenceFactor
}else{
var confidenceFactor = 0
}
// compute progress from confidenceFactor
var progress = Math.min(confidenceFactor, 1)
// if progress === 1, display a green check character
if( progress === 1 ){
container.style.color = 'green'
container.innerHTML = "\u2713"
}else{
// if progress < 1, display it as a red percent
container.style.color = 'red'
container.innerHTML = (progress*100).toFixed(1) + '%'
}
})
//////////////////////////////////////////////////////////////////////////////
// update globalStatus
//////////////////////////////////////////////////////////////////////////////
var nMarkersLearned = 0
multiMarkerLearning.subMarkersControls.forEach(function(subMarkerControls){
if( subMarkerControls.object3d.userData.result === undefined ) return
if( subMarkerControls.object3d.userData.result.confidenceFactor < 1 ) return
nMarkersLearned++
})
var domElement = document.querySelector('#markersStatus .globalStatus')
if( nMarkersLearned === multiMarkerLearning.subMarkersControls.length ){
domElement.style.color = 'green'
domElement.innerHTML = 'DONE'
}else{
domElement.style.color = 'red'
domElement.innerHTML = 'in progress'
}
}
// init markersStatus UI
createUIMarkersStatus()
// update markersStatus 10 time per seconds
setInterval(function(){
// return
// compute result
multiMarkerLearning.computeResult()
updateUIMarkersStatus()
}, 1000/10)
onRecordStart()
//////////////////////////////////////////////////////////////////////////////////
// render the whole thing on the page
//////////////////////////////////////////////////////////////////////////////////
var stats = new Stats();
// document.body.appendChild( stats.dom );
// render the scene
onRenderFcts.push(function(){
renderer.render( scene, camera );
stats.update();
})
// run the rendering loop
var lastTimeMsec= null
requestAnimationFrame(function animate(nowMsec){
// keep looping
requestAnimationFrame( animate );
// measure time
lastTimeMsec = lastTimeMsec || nowMsec-1000/60
var deltaMsec = Math.min(200, nowMsec - lastTimeMsec)
lastTimeMsec = nowMsec
// call each update function
onRenderFcts.forEach(function(onRenderFct){
onRenderFct(deltaMsec/1000, nowMsec/1000)
})
})
})()
</script></body>