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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='../multi-markers/threex-armultimarkerutils.js'></script>
<script src='../multi-markers/threex-armultimarkercontrols.js'></script>
<script src='../multi-markers/threex-armultimarkerlearning.js'></script>
<script src='js/threex-screenasportal.js'></script>
<style>
#recordButton: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; color: grey;';>
Screen as a gate to another world - by <a href='https://twitter.com/jerome_etienne' target='_blank'>@jerome_etienne</a>
with <a href='https://github.com/jeromeetienne/AR.js/' target='_blank'>AR.js</a>
<br>
Directly inspired of the <a href='https://www.youtube.com/watch?v=Jd3-eiid-Uw'>cult demo</a> by <a href='https://www.youtube.com/user/jcl5m/videos'>johnny lee</a>
</div>
<div style='position: fixed; bottom: 10px; width:100%; text-align: center;z-index:1; color: grey;';>
<a href='javascript:void(0)' onclick='toggleMarkerHelper()'>marker helper : <span id='markerHelpersStatus'></span></a>
</div>
<div style='position: fixed; bottom: 16px; right: 16px; z-index:1';>
<img id='recordButton' src="../multi-markers/examples/images/record-start.png" width='64px' height='64px'>
</div>
<script>
;(function(){
////////////////////////////////////////////////////////////////////////////////
// handle urlOptions
////////////////////////////////////////////////////////////////////////////////
// parse urlOptions from location.search
if( location.search.substring(1) ){
var urlOptions = JSON.parse(decodeURIComponent(location.search.substring(1)))
}else{
var urlOptions = {}
}
if( urlOptions.trackingBackend === undefined ) urlOptions.trackingBackend = 'artoolkit'
//////////////////////////////////////////////////////////////////////////////////
// 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 );
// array of functions for the rendering loop
var onRenderFcts= [];
// init scene and camera
var scene = new THREE.Scene();
//////////////////////////////////////////////////////////////////////////////////
// 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()
var arToolkitSource = new THREEx.ArToolkitSource(artoolkitProfile.sourceParameters)
arToolkitSource.init(function onReady(){
onResize()
})
// handle resize
window.addEventListener('resize', function(){
onResize()
})
function onResize(){
arToolkitSource.onResize()
arToolkitSource.copySizeTo(renderer.domElement)
if( urlOptions.trackingBackend === 'aruco' ){
arToolkitSource.copySizeTo(arToolkitContext.arucoContext.canvas)
camera.aspect = renderer.domElement.width / renderer.domElement.height;
camera.updateProjectionMatrix();
}else if( urlOptions.trackingBackend === 'artoolkit' ){
if( arToolkitContext.arController !== null ){
arToolkitSource.copySizeTo(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 )
})
//////////////////////////////////////////////////////////////////////////////
// init learnerParameters and markersControlsParameters
//////////////////////////////////////////////////////////////////////////////
// build a multiMarkerControls
var multiMarkerControls = THREEx.ArMultiMarkerControls.fromJSON(arToolkitContext, scene, markerRoot, multiMarkerFile)
//////////////////////////////////////////////////////////////////////////////
// get multiMarkerFile
//////////////////////////////////////////////////////////////////////////////
// if no localStorage.ARjsMultiMarkerFile, then write one with default marker
if( localStorage.getItem('ARjsMultiMarkerFile') === null ){
THREEx.ArMultiMarkerControls.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)
// add an THREEx.ArMarkerHelper to visuable each sub-marker
var markerHelpers = []
multiMarkerControls.subMarkersControls.forEach(function(subMarkerControls){
var markerHelper = new THREEx.ArMarkerHelper(subMarkerControls)
subMarkerControls.object3d.add( markerHelper.object3d )
markerHelpers.push(markerHelper)
})
// build a smoothedControls
var smoothedRoot = new THREE.Group()
scene.add(smoothedRoot)
var smoothedControls = new THREEx.ArSmoothedControls(smoothedRoot)
onRenderFcts.push(function(delta){
// parameters for updateSmoothedControls
var lerpsValues = [
[0.1, 0.1, 0.5],
[0.2, 0.1, 0.5],
[0.2, 0.2, 0.5],
[0.3, 0.2, 0.5],
[0.3, 0.2, 0.5],
]
// update smoothedControls parameters depending on how many markers are visible in multiMarkerControls
multiMarkerControls.updateSmoothedControls(smoothedControls, lerpsValues)
// update multiMarkerRoot position
smoothedControls.update(markerRoot)
})
var arWorldRoot = new THREE.Group()
var averageMatrix = THREEx.ArMultiMarkerControls.computeCenter(multiMarkerFile)
averageMatrix.decompose(arWorldRoot.position, arWorldRoot.quaternion, arWorldRoot.scale)
smoothedRoot.add(arWorldRoot)
//////////////////////////////////////////////////////////////////////////////
// toggle marker UI
//////////////////////////////////////////////////////////////////////////////
document.querySelector('#recordButton').addEventListener('click', function(){
var learnerURL = THREEx.ArToolkitContext.baseURL + 'examples/multi-markers/examples/learner.html'
THREEx.ArMultiMarkerUtils.navigateToLearnerPage(learnerURL, urlOptions.trackingBackend)
})
window.toggleMarkerHelper = toggleMarkerHelper
function toggleMarkerHelper(){
var wasVisible = markerHelpers[0].object3d.visible;
document.querySelector('#markerHelpersStatus').innerHTML = wasVisible === false ? 'visible' : 'hidden'
markerHelpers.forEach(function(markerHelper){
markerHelper.object3d.visible = wasVisible ? false : true
})
}
toggleMarkerHelper()
//////////////////////////////////////////////////////////////////////////////////
// Add simple object on smoothedRoot
//////////////////////////////////////////////////////////////////////////////////
;(function(){
var screenAsPortal = new THREEx.ScreenAsPortal(multiMarkerFile)
arWorldRoot.add(screenAsPortal.object3d)
})()
//////////////////////////////////////////////////////////////////////////////////
// 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>