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basic.html
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basic.html
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<!DOCTYPE html>
<!-- include three.js -->
<script src='vendor/three.js/build/three.js'></script>
<script src='vendor/three.js/examples/js/libs/stats.min.js'></script>
<!-- include js-aruco -->
<script src='../vendor/js-aruco/svd.js'></script>
<script src='../vendor/js-aruco/posit1-patched.js'></script>
<script src='../vendor/js-aruco/cv.js'></script>
<script src='../vendor/js-aruco/aruco.js'></script>
<!-- include some extensions -->
<script src='../threex.webcamgrabbing.js'></script>
<script src='../threex.imagegrabbing.js'></script>
<script src='../threex.videograbbing.js'></script>
<script src='../threex.jsarucomarker.js'></script>
<body style='margin: 0px; overflow: hidden;'>
<div id='info' style='position: absolute; top: 0px; width: 100%;font-family:arial; font-weight: bolder; padding-top: 5px; text-align:center;'>
Augmented Reality with <a href="http://threejs.org" target="_blank">three.js</a>
- works on desktop and mobile
<br/>
require <a href='https://get.webgl.org/'>WebGL</a> and <a href='http://caniuse.com/#feat=stream'>getUserMedia</a> Support
-
Put this <a target='blank' href='http://jeromeetienne.github.io/threex.webar/marker/image-marker-265.html'>marker</a>
in front of the camera
<br/>
Source:
<a class='webcam' href='javascript:void();'>webcam</a> -
<a class='image' href='javascript:void();'>image</a> -
<a class='video' href='javascript:void();'>video</a>
</div>
<div id='performanceEnabler' style='position: absolute; top: 0px; right: 0px; text-align: right;background-color:rgba(255,255,255,0.5);padding-left: 10px; padding-bottom: 10px;border-width: 1px;
border-style: solid;'>
<div style='text-align: center;'>OPTIONS</div>
<hr/>
<label id='detectMarkersEnabled' title='to enable/disable marker detection in video'>
detectMarkers <input type="checkbox">
</label>
<br/>
<label id='markerToObject3DEnabled' title='to enable/disable marker to object3d conversion'>
markerToObject3D <input type="checkbox">
</label>
<br/>
<label id='webglRenderEnabled' title='to enable/disable webgl rendering'>
webglRender <input type="checkbox">
</label>
<br/>
<label id='markerDebugEnabled' title='to enable/disable marker debug'>
marker debug <input type="checkbox">
</label>
<br/>
</div>
<script>
//////////////////////////////////////////////////////////////////////////////////
// Test if the browser support WebGL and getUserMedia
//////////////////////////////////////////////////////////////////////////////////
;(function(){
// TODO backport those 2 in Detector.js
var hasGetUserMedia = (navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia || navigator.msGetUserMedia) ? true : false
var hasMediaStreamTrackSources = MediaStreamTrack.getSources ? true : false
var hasWebGL = ( function () { try { var canvas = document.createElement( 'canvas' ); return !! ( window.WebGLRenderingContext && ( canvas.getContext( 'webgl' ) || canvas.getContext( 'experimental-webgl' ) ) ); } catch ( e ) { return false; } } )()
if( hasWebGL === false ){
alert('your browser doesn\'t support navigator.getUserMedia()')
}
if( hasMediaStreamTrackSources === false ){
alert('your browser doesn\'t support MediaStreamTrack.getSources()')
}
if( hasGetUserMedia === false ){
alert('your browser doesn\'t support navigator.getUserMedia()')
}
})()
//////////////////////////////////////////////////////////////////////////////////
// enabled/disable various parts
//////////////////////////////////////////////////////////////////////////////////
var detectMarkersEnabled = true
var markerToObject3DEnabled = true
var webglRenderEnabled = true
document.querySelector('#detectMarkersEnabled input').checked = detectMarkersEnabled
document.querySelector('#detectMarkersEnabled input').addEventListener('change', function(){
detectMarkersEnabled = document.querySelector('#detectMarkersEnabled input').checked
})
document.querySelector('#markerToObject3DEnabled input').checked= markerToObject3DEnabled
document.querySelector('#markerToObject3DEnabled input').addEventListener('change', function(){
markerToObject3DEnabled = document.querySelector('#markerToObject3DEnabled input').checked
})
document.querySelector('#webglRenderEnabled input').checked = webglRenderEnabled
document.querySelector('#webglRenderEnabled input').addEventListener('change', function(){
webglRenderEnabled = document.querySelector('#webglRenderEnabled input').checked
// clear the webgl canvas - thus the last webgl rendering disapears
renderer.clear()
})
document.querySelector('#markerDebugEnabled input').checked = false
document.querySelector('#markerDebugEnabled input').addEventListener('change', function(){
jsArucoMarker.debugEnabled = document.querySelector('#markerDebugEnabled input').checked
})
//////////////////////////////////////////////////////////////////////////////////
// init Stats for detectMarkers
//////////////////////////////////////////////////////////////////////////////////
var detectMarkersStats = new Stats();
detectMarkersStats.setMode( 1 );
document.body.appendChild( detectMarkersStats.domElement );
detectMarkersStats.domElement.style.position = 'absolute'
detectMarkersStats.domElement.style.bottom = '0px'
detectMarkersStats.domElement.style.right = '0px'
var renderStats = new Stats();
renderStats.setMode( 0 );
document.body.appendChild( renderStats.domElement );
renderStats.domElement.style.position = 'absolute'
renderStats.domElement.style.bottom = '0px'
renderStats.domElement.style.left = '0px'
//////////////////////////////////////////////////////////////////////////////////
// Handle ui button
//////////////////////////////////////////////////////////////////////////////////
document.querySelector('#info .webcam').addEventListener('click', function(event){
location.hash = '#webcam'
location.reload()
})
document.querySelector('#info .image').addEventListener('click', function(event){
location.hash = '#image'
location.reload()
})
document.querySelector('#info .video').addEventListener('click', function(event){
location.hash = '#video'
location.reload()
})
//////////////////////////////////////////////////////////////////////////////////
// Init
//////////////////////////////////////////////////////////////////////////////////
// init renderer
var renderer = new THREE.WebGLRenderer({
antialias : true,
alpha : true,
});
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
// array of functions for the rendering loop
var onRenderFcts = [];
// init scene and camera
var scene = new THREE.Scene()
var camera = new THREE.PerspectiveCamera(40, window.innerWidth / window.innerHeight, 0.01, 1000);
camera.position.z = 2;
//////////////////////////////////////////////////////////////////////////////////
// create a markerObject3D
//////////////////////////////////////////////////////////////////////////////////
var markerObject3D = new THREE.Object3D()
scene.add(markerObject3D)
//////////////////////////////////////////////////////////////////////////////////
// add an object in the markerObject3D
//////////////////////////////////////////////////////////////////////////////////
// add some debug display
;(function(){
var geometry = new THREE.PlaneGeometry(1,1,10,10)
var material = new THREE.MeshBasicMaterial( {
wireframe : true
})
var mesh = new THREE.Mesh(geometry, material);
markerObject3D.add( mesh );
var mesh = new THREE.AxisHelper
markerObject3D.add( mesh );
})()
// add a awesome logo to the scene
;(function(){
var material = new THREE.SpriteMaterial({
map: THREE.ImageUtils.loadTexture( 'images/awesome.png' ),
});
var geometry = new THREE.BoxGeometry(1,1,1)
var object3d = new THREE.Sprite(material );
object3d.scale.set( 2, 2, 1 );
markerObject3D.add(object3d)
})()
//////////////////////////////////////////////////////////////////////////////////
// render the whole thing on the page
//////////////////////////////////////////////////////////////////////////////////
// handle window resize
window.addEventListener('resize', function(){
renderer.setSize( window.innerWidth, window.innerHeight )
camera.aspect = window.innerWidth / window.innerHeight
camera.updateProjectionMatrix()
}, false)
// render the scene
onRenderFcts.push(function(){
renderStats.begin();
if( webglRenderEnabled === true ){
renderer.render( scene, camera );
}
renderStats.end();
})
// run the rendering loop
var previousTime = performance.now()
requestAnimationFrame(function animate(now){
requestAnimationFrame( animate );
onRenderFcts.forEach(function(onRenderFct){
onRenderFct(now, now - previousTime)
})
previousTime = now
})
//////////////////////////////////////////////////////////////////////////////////
// Do the Augmented Reality part
//////////////////////////////////////////////////////////////////////////////////
// init the marker recognition
var jsArucoMarker = new THREEx.JsArucoMarker()
// if no specific image source is specified, take the webcam by default
if( location.hash === '' ) location.hash = '#webcam'
// init the image source grabbing
if( location.hash === '#video' ){
var videoGrabbing = new THREEx.VideoGrabbing()
jsArucoMarker.videoScaleDown = 2
}else if( location.hash === '#webcam' ){
var videoGrabbing = new THREEx.WebcamGrabbing()
jsArucoMarker.videoScaleDown = 2
}else if( location.hash === '#image' ){
var videoGrabbing = new THREEx.ImageGrabbing()
jsArucoMarker.videoScaleDown = 10
}else console.assert(false)
// attach the videoGrabbing.domElement to the body
document.body.appendChild(videoGrabbing.domElement)
//////////////////////////////////////////////////////////////////////////////////
// Process video source to find markers
//////////////////////////////////////////////////////////////////////////////////
// set the markerObject3D as visible
markerObject3D.visible = false
// process the image source with the marker recognition
onRenderFcts.push(function(){
if( detectMarkersEnabled === false ) return
var domElement = videoGrabbing.domElement
detectMarkersStats.begin();
var markers = jsArucoMarker.detectMarkers(domElement)
detectMarkersStats.end();
if( markerToObject3DEnabled === false ) return
markerObject3D.visible = false
// see if this.markerId has been found
markers.forEach(function(marker){
// if( marker.id !== 265 ) return
jsArucoMarker.markerToObject3D(marker, markerObject3D)
markerObject3D.visible = true
})
})
</script></body>