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2-one-video.html
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2-one-video.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - materials - video - webcam</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 {
background-color: #000;
margin: 0px;
overflow: hidden;
}
</style>
</head>
<body>
<script src="js/three.js"></script>
<script src="js/OrbitControls.js"></script>
<script src="js/WebGL.js"></script>
<video id="video" autoplay style="display:none"></video>
<script>
if ( WEBGL.isWebGLAvailable() === false ) {
document.body.appendChild( WEBGL.getWebGLErrorMessage() );
}
var camera, scene, renderer, video;
init();
animate();
function init() {
camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 0.1, 100 );
camera.position.z = 0.01;
scene = new THREE.Scene();
video = document.getElementById( 'video' );
var texture = new THREE.VideoTexture( video );
texture.minFilter = THREE.LinearFilter;
texture.magFilter = THREE.LinearFilter;
texture.format = THREE.RGBFormat;
var geometry = new THREE.PlaneBufferGeometry( 16, 9 );
geometry.scale( 0.5, 0.5, 0.5 );
var material = new THREE.MeshBasicMaterial( { map: texture } );
var count = 128;
var radius = 32;
// Adicionar apenas um mesh, para trabalharmos em cima dele
var mesh = new THREE.Mesh( geometry, material );
var count = 128;
var radius = 32;
var i = 1, l = count;
var phi = Math.acos( - 1 + ( 2 * i ) / l );
var theta = Math.sqrt( l * Math.PI ) * phi;
mesh.position.setFromSphericalCoords( radius, phi, theta );
// mesh.position.set( 0, 0, 0 );
// mesh.position.set( 0, 0, -10 );
mesh.lookAt( camera.position );
scene.add( mesh );
renderer = new THREE.WebGLRenderer( { antialias: true } );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
var controls = new THREE.OrbitControls( camera, renderer.domElement );
controls.enableZoom = false;
controls.enablePan = false;
window.addEventListener( 'resize', onWindowResize, false );
//
if ( navigator.mediaDevices && navigator.mediaDevices.getUserMedia ) {
var constraints = { video: { width: 1280, height: 720, facingMode: 'user' } };
navigator.mediaDevices.getUserMedia( constraints ).then( function( stream ) {
// apply the stream to the video element used in the texture
video.src = window.URL.createObjectURL( stream );
video.play();
} ).catch( function( error ) {
console.error( 'Unable to access the camera/webcam.', error );
} );
} else {
console.error( 'MediaDevices interface not available.' );
}
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
function animate() {
requestAnimationFrame( animate );
renderer.render( scene, camera );
}
</script>
</body>
</html>