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@evejweinberg
Created November 4, 2016 13:59
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3js webcam
<!doctype html>
<html>
<head>
<title>learningthree.js boiler plate for three.js</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<script src="vendor/three.js/Three.js"></script>
<script src="vendor/three.js/Detector.js"></script>
<!-- https://github.com/mrdoob/stats.js -->
<script src="vendor/three.js/Stats.js"></script>
<script src="vendor/threex/THREEx.screenshot.js"></script>
<script src="vendor/threex/THREEx.FullScreen.js"></script>
<script src="vendor/threex/THREEx.WindowResize.js"></script>
<script src="vendor/three.js/TrackballControls.js"></script>
<link href="css/main.css" rel="stylesheet"/>
</head>
<body>
<!-- three.js container -->
<div id="container"></div>
<!-- info on screen display -->
<div id="info">
<div class="top">
<a href="http://learningthreejs.com/blog/2011/12/20/boilerplate-for-three-js/" target="_blank">LearningThree.js</a>
boiler plate for
<a href="https://github.com/mrdoob/three.js/" target="_blank">three.js</a>
</div>
<div class="bottom" id="inlineDoc" >
- <i>p</i> for screenshot
</div>
</div>
<script type="text/javascript">
var image_tex, video, buffer, pre_video_tex, video_tex, video_mat, video_mesh, video_geo, buffer_mat, buffer_geo, buffer_mesh;
var ortho_width = 1920, ortho_height = 1080, ortho_near = -1, ortho_far = 1;
var get_webcam = function(){
video = document.createElement('video');
video.width = ortho_width;
video.height = ortho_height;
video.autoplay = true;
video.muted = true; //- to prevent create feedback from mic input ***
video_tex = new THREE.Texture( video );
// image_tex = new THREE.TextureLoader().load('src/logo.png');
video_tex.minFilter = THREE.LinearFilter //- to use non powers of two image
// image_tex.minFilter = THREE.LinearFilter
video_mat = new THREE.MeshPhongMaterial(
{map: video_tex}
);
if(navigator.getUserMedia){
navigator.getUserMedia({ audio: true, video:{ width: ortho_width, height: ortho_height, facingMode: { exact: "environment" } } }, function(stream){
video.src = window.URL.createObjectURL(stream);
video.play();
}, function(err){
console.log('failed to get a steram : ', err );
});
} else {
console.log('user media is not supported');
}
};
var stats, scene, renderer, composer;
var camera, cameraControls;
if( !init() ) animate();
// init the scene
function init(){
get_webcam();
if( Detector.webgl ){
renderer = new THREE.WebGLRenderer({
antialias : true, // to get smoother output
preserveDrawingBuffer : true // to allow screenshot
});
renderer.setClearColor( 0xbbbbbb );
}else{
Detector.addGetWebGLMessage();
return true;
}
renderer.setSize( window.innerWidth, window.innerHeight );
document.getElementById('container').appendChild(renderer.domElement);
// add Stats.js - https://github.com/mrdoob/stats.js
stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.bottom = '0px';
document.body.appendChild( stats.domElement );
// create a scene
scene = new THREE.Scene();
// put a camera in the scene
camera = new THREE.PerspectiveCamera(35, window.innerWidth / window.innerHeight, 1, 10000 );
camera.position.set(0, 0, 5);
scene.add(camera);
// create a camera contol
cameraControls = new THREE.TrackballControls( camera )
// transparently support window resize
THREEx.WindowResize.bind(renderer, camera);
// allow 'p' to make screenshot
THREEx.Screenshot.bindKey(renderer);
// allow 'f' to go fullscreen where this feature is supported
if( THREEx.FullScreen.available() ){
THREEx.FullScreen.bindKey();
document.getElementById('inlineDoc').innerHTML += "- <i>f</i> for fullscreen";
}
// here you add your objects
// - you will most likely replace this part by your own
var light = new THREE.AmbientLight( Math.random() * 0xffffff );
scene.add( light );
var light = new THREE.DirectionalLight( Math.random() * 0xffffff );
light.position.set( Math.random(), Math.random(), Math.random() ).normalize();
scene.add( light );
var light = new THREE.DirectionalLight( Math.random() * 0xffffff );
light.position.set( Math.random(), Math.random(), Math.random() ).normalize();
scene.add( light );
var light = new THREE.DirectionalLight( Math.random() * 0xffffff );
light.position.set( Math.random(), Math.random(), Math.random() ).normalize();
scene.add( light );
var light = new THREE.PointLight( Math.random() * 0xffffff );
light.position.set( Math.random()-0.5, Math.random()-0.5, Math.random()-0.5 )
.normalize().multiplyScalar(1.2);
scene.add( light );
var light = new THREE.PointLight( Math.random() * 0xffffff );
light.position.set( Math.random()-0.5, Math.random()-0.5, Math.random()-0.5 )
.normalize().multiplyScalar(1.2);
scene.add( light );
var geometry = new THREE.TorusGeometry( 1, 0.42, 16, 16 );
var material = new THREE.MeshPhongMaterial({ambient: 0x808080, color: Math.random() * 0xffffff});
var mesh = new THREE.Mesh( geometry, material );
scene.add( mesh );
video_geo = new THREE.BoxGeometry( 30,30,30 );
video_mesh = new THREE.Mesh( video_geo, video_mat );
scene.add(video_mesh);
}
// animation loop
function animate() {
if(video.readyState === video.HAVE_ENOUGH_DATA) { video_tex.needsUpdate = true; }
// loop on request animation loop
// - it has to be at the begining of the function
// - see details at http://my.opera.com/emoller/blog/2011/12/20/requestanimationframe-for-smart-er-animating
requestAnimationFrame( animate );
// do the render
render();
// update stats
stats.update();
}
// render the scene
function render() {
// variable which is increase by Math.PI every seconds - usefull for animation
var PIseconds = Date.now() * Math.PI;
// update camera controls
cameraControls.update();
// animation of all objects
scene.traverse(function(object3d, i){
if( object3d instanceof THREE.Mesh === false ) return
// object3d.rotation.y = PIseconds*0.0003 * (i % 2 ? 1 : -1);
// object3d.rotation.x = PIseconds*0.0002 * (i % 2 ? 1 : -1);
})
// actually render the scene
renderer.render( scene, camera );
}
</script>
</body>
</html>
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