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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>
<!-- include threex.artoolkit -->
<script src="../src/threex/threex-artoolkitsource.js"></script>
<script src="../src/threex/threex-artoolkitcontext.js"></script>
<script src="../src/threex/threex-arbasecontrols.js"></script>
<script src="../src/threex/threex-armarkercontrols.js"></script>
<script>THREEx.ArToolkitContext.baseURL = '../'</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> - three.js mobile performance
<br/>
Code by <a href="https://twitter.com/snigelpaogat" target='_blank'>Fredrik Blomqvist</a> and
<a href='https://twitter.com/jerome_etienne' target='_blank'>@jerome_etienne</a>
</div><script>
//////////////////////////////////////////////////////////////////////////////////
// Init
//////////////////////////////////////////////////////////////////////////////////
// init renderer
var renderer = new THREE.WebGLRenderer({
// antialias : true,
alpha: true
});
// renderer.shadowMap.type = THREE.BasicShadowMap
// renderer.shadowMap.type = THREE.PCFShadowMap;
renderer.shadowMap.type = THREE.PCFSoftShadowMap
renderer.shadowMap.enabled = true;
renderer.setClearColor(new THREE.Color('lightgrey'), 0)
// renderer.setPixelRatio( 1/2 );
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();
var ambient = new THREE.AmbientLight( 0x666666 );
scene.add( ambient );
var directionalLight = new THREE.DirectionalLight( 'white' );
directionalLight.position.set( 1, 2, 0.3 ).setLength(2)
directionalLight.shadow.mapSize.set(128,128)
directionalLight.shadow.camera.bottom = -0.6
directionalLight.shadow.camera.top = 0.6
directionalLight.shadow.camera.right = 0.6
directionalLight.shadow.camera.left = -0.6
directionalLight.castShadow = true;
// scene.add(new THREE.CameraHelper( directionalLight.shadow.camera ))
scene.add( directionalLight );
//////////////////////////////////////////////////////////////////////////////////
// Initialize a basic camera
//////////////////////////////////////////////////////////////////////////////////
// Create a camera
var camera = new THREE.Camera();
scene.add(camera);
////////////////////////////////////////////////////////////////////////////////
// handle arToolkitSource
////////////////////////////////////////////////////////////////////////////////
var arToolkitSource = new THREEx.ArToolkitSource({
// to read from the webcam
sourceType : 'webcam',
// to read from an image
// sourceType : 'image',
// sourceUrl : THREEx.ArToolkitContext.baseURL + '../data/images/img.jpg',
// to read from a video
// sourceType : 'video',
// sourceUrl : THREEx.ArToolkitContext.baseURL + '../data/videos/headtracking.mp4',
})
arToolkitSource.init(function onReady(){
onResize()
})
// handle resize
window.addEventListener('resize', function(){
onResize()
})
function onResize(){
arToolkitSource.onResize()
arToolkitSource.copySizeTo(renderer.domElement)
if( arToolkitContext.arController !== null ){
arToolkitSource.copySizeTo(arToolkitContext.arController.canvas)
}
}
////////////////////////////////////////////////////////////////////////////////
// initialize arToolkitContext
////////////////////////////////////////////////////////////////////////////////
// create atToolkitContext
var arToolkitContext = new THREEx.ArToolkitContext({
cameraParametersUrl: THREEx.ArToolkitContext.baseURL + '../data/data/camera_para.dat',
detectionMode: 'mono',
// maxDetectionRate: 30,
// canvasWidth: 80*3,
// canvasHeight: 60*3,
})
// initialize it
arToolkitContext.init(function onCompleted(){
// copy projection matrix to camera
camera.projectionMatrix.copy( arToolkitContext.getProjectionMatrix() );
})
// update artoolkit on every frame
onRenderFcts.push(function(){
if( arToolkitSource.ready === false ) return
arToolkitContext.update( arToolkitSource.domElement )
// update scene.visible if the marker is seen
scene.visible = camera.visible
})
////////////////////////////////////////////////////////////////////////////////
// Create a ArMarkerControls
////////////////////////////////////////////////////////////////////////////////
var markerControls = new THREEx.ArMarkerControls(arToolkitContext, camera, {
type : 'pattern',
patternUrl : THREEx.ArToolkitContext.baseURL + '../data/data/patt.hiro',
// patternUrl : THREEx.ArToolkitContext.baseURL + '../data/data/patt.kanji',
// as we controls the camera, set changeMatrixMode: 'cameraTransformMatrix'
changeMatrixMode: 'cameraTransformMatrix'
})
// as we do changeMatrixMode: 'cameraTransformMatrix', start with invisible scene
scene.visible = false
//////////////////////////////////////////////////////////////////////////////////
// add an object in the scene
//////////////////////////////////////////////////////////////////////////////////
var markerRoot = new THREE.Group
scene.add(markerRoot)
// 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
// markerRoot.add( mesh );
;(function(){
var geometry = new THREE.TorusKnotGeometry(0.3,0.1,64,16); // make it slightly larger for better view
var material = new THREE.MeshNormalMaterial();
var material = new THREE.MeshLambertMaterial();
var mesh = new THREE.Mesh( geometry, material );
mesh.castShadow = true;
mesh.receiveShadow = true;
mesh.position.y = 0.7
markerRoot.add( mesh );
// point the directionalLight to the marker
directionalLight.target = mesh
onRenderFcts.push(function(){
mesh.rotation.x += 0.04;
})
// add a transparent ground-plane shadow-receiver
var material = new THREE.ShadowMaterial();
material.opacity = 0.7; //! bug in threejs. can't set in constructor
var geometry = new THREE.PlaneGeometry(3, 3)
var planeMesh = new THREE.Mesh( geometry, material);
planeMesh.receiveShadow = true;
planeMesh.depthWrite = false;
planeMesh.rotation.x = -Math.PI/2
markerRoot.add(planeMesh);
})()
//////////////////////////////////////////////////////////////////////////////////
// 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>