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<!DOCTYPE HTML>
<html lang="en">
<head>
<title>three.js canvas - materials - video</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width; initial-scale=1.0; maximum-scale=1.0; user-scalable=0;"/>
<style type="text/css">
body {
font-family: Monospace;
background-color: #f0f0f0;
margin: 0px;
overflow: hidden;
}
</style>
</head>
<body>
<script type="text/javascript" src="../build/Three.js"></script>
<script type="text/javascript" src="js/RequestAnimationFrame.js"></script>
<script type="text/javascript" src="js/Stats.js"></script>
<video id="video" autoplay style="display:none">
<source src="textures/sintel.mp4" type='video/mp4; codecs="avc1.42E01E, mp4a.40.2"'>
<source src="textures/sintel.ogv" type='video/ogg; codecs="theora, vorbis"'>
</video>
<script type="text/javascript">
var AMOUNT = 100;
var container, stats;
var camera, scene, renderer;
var video, image, imageContext,
imageReflection, imageReflectionContext, imageReflectionGradient,
texture, textureReflection;
var mesh;
var mouseX = 0;
var mouseY = 0;
var windowHalfX = window.innerWidth / 2;
var windowHalfY = window.innerHeight / 2;
init();
animate();
function init() {
container = document.createElement('div');
document.body.appendChild( container );
var info = document.createElement('div');
info.style.position = 'absolute';
info.style.top = '10px';
info.style.width = '100%';
info.style.textAlign = 'center';
info.innerHTML = '<a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - video demo. playing <a href="http://durian.blender.org/" target="_blank">sintel</a> trailer';
container.appendChild(info);
camera = new THREE.Camera( 45, window.innerWidth / window.innerHeight, 1, 10000 );
camera.position.z = 1000;
scene = new THREE.Scene();
video = document.getElementById( 'video' );
//
image = document.createElement( 'canvas' );
image.width = 480;
image.height = 204;
imageContext = image.getContext( '2d' );
imageContext.fillStyle = '#000000';
imageContext.fillRect( 0, 0, 480, 204 );
texture = new THREE.Texture( image );
texture.minFilter = THREE.LinearFilter;
texture.magFilter = THREE.LinearFilter;
var material = new THREE.MeshBasicMaterial( { map: texture } );
imageReflection = document.createElement( 'canvas' );
imageReflection.width = 480;
imageReflection.height = 204;
imageReflectionContext = imageReflection.getContext( '2d' );
imageReflectionContext.fillStyle = '#000000';
imageReflectionContext.fillRect( 0, 0, 480, 204 );
imageReflectionGradient = imageReflectionContext.createLinearGradient( 0, 0, 0, 204 );
imageReflectionGradient.addColorStop( 0.2, 'rgba(240, 240, 240, 1)' );
imageReflectionGradient.addColorStop( 1, 'rgba(240, 240, 240, 0.8)' );
textureReflection = new THREE.Texture( imageReflection );
textureReflection.minFilter = THREE.LinearFilter;
textureReflection.magFilter = THREE.LinearFilter;
var materialReflection = new THREE.MeshBasicMaterial( { map: textureReflection } );
//
var plane = new THREE.Plane( 480, 204, 4, 4 );
mesh = new THREE.Mesh( plane, material );
mesh.scale.x = mesh.scale.y = mesh.scale.z = 1.5;
mesh.overdraw = true;
scene.addObject(mesh);
mesh = new THREE.Mesh( plane, materialReflection );
mesh.position.y = -306;
mesh.scale.x = mesh.scale.y = mesh.scale.z = 1.5;
mesh.rotation.x = 180 * Math.PI / 180;
mesh.doubleSided = true;
mesh.overdraw = true;
scene.addObject( mesh );
//
var separation = 150;
var amountx = 10;
var amounty = 10;
var PI2 = Math.PI * 2;
var material = new THREE.ParticleCanvasMaterial( {
color: 0x0808080,
program: function ( context ) {
context.beginPath();
context.arc( 0, 0, 1, 0, PI2, true );
context.closePath();
context.fill();
}
} );
for ( var ix = 0; ix < amountx; ix++ ) {
for ( var iy = 0; iy < amounty; iy++ ) {
particle = new THREE.Particle( material );
particle.position.x = ix * separation - ( ( amountx * separation ) / 2 );
particle.position.y = -153
particle.position.z = iy * separation - ( ( amounty * separation ) / 2 );
scene.addObject( particle );
}
}
renderer = new THREE.CanvasRenderer();
renderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement );
stats = new Stats();
stats.domElement.style.position = 'absolute';
stats.domElement.style.top = '0px';
container.appendChild( stats.domElement );
document.addEventListener( 'mousemove', onDocumentMouseMove, false );
}
function onDocumentMouseMove(event) {
mouseX = ( event.clientX - windowHalfX );
mouseY = ( event.clientY - windowHalfY ) * 0.2;
}
//
function animate() {
requestAnimationFrame( animate );
render();
stats.update();
}
function render() {
camera.position.x += ( mouseX - camera.position.x ) * 0.05;
camera.position.y += ( - mouseY - camera.position.y ) * 0.05;
if ( video.readyState === video.HAVE_ENOUGH_DATA ) {
imageContext.drawImage( video, 0, 0 );
if ( texture ) texture.needsUpdate = true;
if ( textureReflection ) textureReflection.needsUpdate = true;
}
imageReflectionContext.drawImage( image, 0, 0 );
imageReflectionContext.fillStyle = imageReflectionGradient;
imageReflectionContext.fillRect( 0, 0, 480, 204 );
renderer.render( scene, camera );
}
</script>
</body>
</html>
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