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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>
<script src='threex-screenasportal/threex-screenasportal.js'></script>
<script>THREEx.ScreenAsPortal.baseURL = 'threex-screenasportal/'</script>
<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>
</div>
<!-- info at the top of page -->
<div style='position: fixed; bottom: 10px; width:100%; text-align: center;z-index:1';>
tracking backend:
<a href='javascript:void(0)' onclick='trackingBackendSet("artoolkit")'>artoolkit</a>
/
<a href='javascript:void(0)' onclick='trackingBackendSet("aruco")'>aruco</a>
<br>
<a href='javascript:void(0)' onclick='markerHelpersToggleVisibility()'>Marker helpers</a>
-
<a href='javascript:void(0)' onclick='resetMarkerFile()'>reset area</a>
</div>
<!-- display record button -->
<div style='position: fixed; bottom: 16px; right: 16px; z-index:1';>
<style>
#recordButton:hover {
cursor: pointer;
}
</style>
<img id='recordButton' src="images/record-start.png" width='64px' height='64px'>
</div>
<script>
;(function(){
//////////////////////////////////////////////////////////////////////////////////
// Init
//////////////////////////////////////////////////////////////////////////////////
// init renderer
var renderer = new THREE.WebGLRenderer({
alpha: true
});
renderer.setClearColor(new THREE.Color('lightgrey'), 0)
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 );
// init scene and camera
var scene = new THREE.Scene();
// array of functions for the rendering loop
var onRenderFcts= [];
////////////////////////////////////////////////////////////////////////////////
// handle urlOptions
////////////////////////////////////////////////////////////////////////////////
var hasHash = location.hash.substring(1) !== '' ? true : false
if( hasHash === true ){
var urlOptions = JSON.parse(decodeURIComponent(location.hash.substring(1)))
}else{
var urlOptions = {
trackingBackend: 'artoolkit',
}
}
window.urlOptions = urlOptions
urlOptionsUpdate()
function urlOptionsUpdate(){
location.hash = '#'+encodeURIComponent(JSON.stringify(urlOptions))
}
//////////////////////////////////////////////////////////////////////////////////
// Initialize a basic camera
//////////////////////////////////////////////////////////////////////////////////
// Create a camera
if( urlOptions.trackingBackend === 'artoolkit' ){
var camera = new THREE.Camera();
}else if( urlOptions.trackingBackend === 'aruco' ){
var camera = new THREE.PerspectiveCamera(42, renderer.domElement.width / renderer.domElement.height, 0.01, 100);
}else console.assert(false)
scene.add(camera);
////////////////////////////////////////////////////////////////////////////////
// handle arToolkitSource
////////////////////////////////////////////////////////////////////////////////
var artoolkitProfile = new ARjs.Profile()
artoolkitProfile.sourceWebcam()
.trackingBackend(urlOptions.trackingBackend)
var arToolkitSource = new ARjs.Source(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 === 'artoolkit' ){
if( arToolkitContext.arController !== null ){
arToolkitSource.copyElementSizeTo(arToolkitContext.arController.canvas)
}
}else if( urlOptions.trackingBackend === 'aruco' ){
arToolkitSource.copyElementSizeTo(arToolkitContext.arucoContext.canvas)
camera.aspect = renderer.domElement.width / renderer.domElement.height;
camera.updateProjectionMatrix();
}else console.assert(false)
}
////////////////////////////////////////////////////////////////////////////////
// initialize arToolkitContext
////////////////////////////////////////////////////////////////////////////////
// create atToolkitContext
var arToolkitContext = new ARjs.Context(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 )
})
//////////////////////////////////////////////////////////////////////////////
// get multiMarkerFile
//////////////////////////////////////////////////////////////////////////////
// if no localStorage.ARjsMultiMarkerFile, then write one with default marker
if( localStorage.getItem('ARjsMultiMarkerFile') === null ){
THREEx.ArMultiMarkerUtils.storeDefaultMultiMarkerFile(urlOptions.trackingBackend)
}
// get multiMarkerFile from localStorage
console.assert( localStorage.getItem('ARjsMultiMarkerFile') !== null )
var multiMarkerFile = localStorage.getItem('ARjsMultiMarkerFile')
//////////////////////////////////////////////////////////////////////////////
// Create ArMultiMarkerControls
//////////////////////////////////////////////////////////////////////////////
// build a markerRoot
var markerRoot = new THREE.Group()
scene.add(markerRoot)
// build a multiMarkerControls
var multiMarkerControls = THREEx.ArMultiMarkerControls.fromJSON(arToolkitContext, scene, markerRoot, multiMarkerFile)
// build a smoothedControls
var smoothedRoot = new THREE.Group()
scene.add(smoothedRoot)
var smoothedControls = new THREEx.ArSmoothedControls(smoothedRoot)
onRenderFcts.push(function(delta){
// update smoothedControls parameters depending on how many markers are visible in multiMarkerControls
multiMarkerControls.updateSmoothedControls(smoothedControls)
// update smoothedControls position
smoothedControls.update(markerRoot)
})
//////////////////////////////////////////////////////////////////////////////
// markerHelpers
//////////////////////////////////////////////////////////////////////////////
// display THREEx.ArMarkerHelper if needed - useful to debug
var markerHelpers = []
multiMarkerControls.subMarkersControls.forEach(function(subMarkerControls){
// add an helper to visuable each sub-marker
var markerHelper = new THREEx.ArMarkerHelper(subMarkerControls)
markerHelpers.push(markerHelper)
subMarkerControls.object3d.add( markerHelper.object3d )
})
function markerHelpersToggleVisibility(){
var wasVisible = markerHelpers[0].object3d.visible
markerHelpers.forEach(function(markerHelper){
markerHelper.object3d.visible = wasVisible ? false : true
})
}
window.markerHelpersToggleVisibility = markerHelpersToggleVisibility
//////////////////////////////////////////////////////////////////////////////
// init UI
//////////////////////////////////////////////////////////////////////////////
document.querySelector('#recordButton').addEventListener('click', function(){
urlOptionsUpdate()
THREEx.ArMultiMarkerUtils.navigateToLearnerPage('learner.html', urlOptions.trackingBackend)
})
window.resetMarkerFile = function(){
THREEx.ArMultiMarkerUtils.storeDefaultMultiMarkerFile(urlOptions.trackingBackend)
location.reload()
}
function trackingBackendSet(trackingBackend){
THREEx.ArMultiMarkerUtils.storeDefaultMultiMarkerFile(trackingBackend)
urlOptions.trackingBackend = trackingBackend
urlOptionsUpdate()
location.reload()
}
window.trackingBackendSet = trackingBackendSet
//////////////////////////////////////////////////////////////////////////////////
// Add simple object on smoothedRoot
//////////////////////////////////////////////////////////////////////////////////
;(function(){
var arWorldRoot = new THREE.Group()
var averageMatrix = THREEx.ArMultiMarkerControls.computeCenter(multiMarkerFile)
averageMatrix.decompose(arWorldRoot.position, arWorldRoot.quaternion, arWorldRoot.scale)
smoothedRoot.add(arWorldRoot)
// markerRoot.add(arWorldRoot)
// var screenAsPortal = new THREEx.ScreenAsPortal(multiMarkerFile)
// arWorldRoot.add(screenAsPortal.object3d)
var mesh = new THREE.AxisHelper()
arWorldRoot.add(mesh)
// add a torus knot
var geometry = new THREE.CubeGeometry(1,1,1);
var material = new THREE.MeshNormalMaterial({
transparent : true,
opacity: 0.5,
side: THREE.DoubleSide
});
var mesh = new THREE.Mesh( geometry, material );
mesh.position.y = geometry.parameters.height/2
arWorldRoot.add(mesh)
var geometry = new THREE.TorusKnotGeometry(0.3,0.1,64,16);
var material = new THREE.MeshNormalMaterial();
var mesh = new THREE.Mesh( geometry, material );
mesh.position.y = 0.5
arWorldRoot.add( mesh );
onRenderFcts.push(function(delta){
mesh.rotation.x += delta * Math.PI
})
})()
//////////////////////////////////////////////////////////////////////////////////
// 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>