forked from cnr-isti-vclab/corto
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demo.html
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demo.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Corto Threejs</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<style>body { margin: 0px; overflow: hidden; }</style>
<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/84/three.js"></script>
<script src="js/MTLLoader.js"></script>
<script src="js/TrackballControls.js"></script>
<!-- <script src="js/corto.js"></script> -->
<script src="js/attribute.js"></script>
<script src="js/tunstall.js"></script>
<script src="js/cortodecoder.js"></script>
<script src="js/CORTOLoader.js"></script>
</head>
<body>
<div id="container"></div>
<p style="position:absolute; top:10px; left:10px; color:white;" id="stats">N vert: <span id="nvert"></span><br/>N triangles: <span id="nface"></span><br/> Decompression timings: <span id="timing"></span></p>
</body>
<script>
var camera = new THREE.PerspectiveCamera( 30, window.innerWidth / window.innerHeight, 0.1, 100 );
camera.position.z = 4;
var controls = new THREE.TrackballControls( camera );
controls.rotateSpeed = 10.0;
controls.zoomSpeed = 1.5;
controls.panSpeed = 0.8;
controls.noZoom = false;
controls.noPan = false;
controls.staticMoving = true;
controls.dynamicDampingFactor = 0.3;
controls.keys = [ 65, 83, 68 ];
controls.addEventListener( 'change', render );
var scene = new THREE.Scene();
scene.fog = new THREE.Fog( 0x050505, 2000, 3500 );
var ambient = new THREE.AmbientLight( 0xffffff, 0.3 );
scene.add( ambient);
var light1 = new THREE.DirectionalLight( 0xffffff, 1.0 );
light1.position.set( 1, 1, -0.5 );
scene.add( light1 );
var light2 = new THREE.DirectionalLight( 0xffffff, 1.0 );
light2.position.set( -1, -0.5, 1 );
scene.add( light2 );
var renderer = new THREE.WebGLRenderer( { antialias: false } );
renderer.setClearColor( scene.fog.color );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight);
var container = document.getElementById( 'container');
container.appendChild( renderer.domElement );
function getURLParameter(name) {
return decodeURIComponent((new RegExp('[?|&]' + name + '=' + '([^&;]+?)(&|#|;|$)').exec(location.search) || [null, ''])[1].replace(/\+/g, '%20')) || null;
}
var model = getURLParameter('model');
var path = getURLParameter('path');
if(!path) path = 'models/';
if(!model) model = 'bunny.crt';
var loader = new THREE.CORTOLoader({ path: path }); //can pass a material or a multimaterial if you know whats' in the model.
var decode_times = [];
var blob = null;
loader.load(model, function(mesh) {
decode_times.push(loader.decode_time);
blob = loader.blob;
mesh.addEventListener("change", render);
mesh.geometry.computeBoundingBox();
if(!mesh.geometry.attributes.normal) {
if(!mesh.geometry.attributes.uv) {
mesh.geometry.computeVertexNormals();
}
else ambient.intensity = 1.0;
}
mesh.geometry.center();
mesh.scale.divideScalar(mesh.geometry.boundingBox.getSize().length());
scene.add(mesh);
render();
setTimeout(profile, 10);
} );
window.addEventListener( 'resize', onWindowResize, false );
render();
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
controls.handleResize();
controls.update();
render();
}
function animate() {
requestAnimationFrame( animate );
controls.update();
}
function render() {
renderer.render( scene, camera );
}
function profile() {
var now = performance.now();
var decoder = new CortoDecoder(blob);
var model = decoder.decode();
var ms = performance.now() - now;
decode_times.push(ms);
console.log((model.nvert/1024.0).toFixed(1) + "KV", ms.toFixed(1) + "ms", ((model.nvert/1000)/ms).toFixed(2) + "MV/s");
var nvert = document.getElementById("nvert");
nvert.innerHTML= model.nvert;
var nface = document.getElementById("nface");
nface.innerHTML= model.nface;
var timing = document.getElementById("timing");
if(decode_times.length == 2)
timing.innerHTML += " " + decode_times[0].toFixed(0) + "ms";
timing.innerHTML += " " + decode_times[decode_times.length-1].toFixed(0) + "ms";
if(decode_times.length < 10) {
setTimeout(profile, 10);
} else {
var avg = 0;
for(var i = 0; i < decode_times.length; i++)
avg += decode_times[i];
avg /= decode_times.length;
timing.innerHTML += "<br/ >Avg: " + avg.toFixed(0) + "ms";
if(model.nface > 0)
timing.innerHTML += "<br/ >Million Triangles per second: " + ((model.nface/1000)/avg).toFixed(2);
else
timing.innerHTML += "<br/ >Million Vertices per second: " + ((model.nvert/1000)/avg).toFixed(2);
}
}
animate();
</script>
</html>