mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-12-23 19:43:48 +01:00
229 lines
5.8 KiB
HTML
229 lines
5.8 KiB
HTML
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js canvas - materials - video</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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<style>
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body {
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font-family: Monospace;
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background-color: #f0f0f0;
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margin: 0px;
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overflow: hidden;
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}
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</style>
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</head>
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<body>
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<script src="../build/three.min.js"></script>
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<script src="js/renderers/Projector.js"></script>
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<script src="js/renderers/CanvasRenderer.js"></script>
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<script src="js/libs/stats.min.js"></script>
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<video id="video" autoplay style="display:none">
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<source src="textures/sintel.mp4" type='video/mp4; codecs="avc1.42E01E, mp4a.40.2"'>
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<source src="textures/sintel.ogv" type='video/ogg; codecs="theora, vorbis"'>
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</video>
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<script>
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var AMOUNT = 100;
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var container, stats;
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var camera, scene, renderer;
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var video, image, imageContext,
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imageReflection, imageReflectionContext, imageReflectionGradient,
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texture, textureReflection;
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var mesh;
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var mouseX = 0;
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var mouseY = 0;
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var windowHalfX = window.innerWidth / 2;
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var windowHalfY = window.innerHeight / 2;
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init();
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animate();
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function init() {
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container = document.createElement( 'div' );
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document.body.appendChild( container );
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var info = document.createElement( 'div' );
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info.style.position = 'absolute';
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info.style.top = '10px';
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info.style.width = '100%';
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info.style.textAlign = 'center';
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info.innerHTML = '<a href="http://threejs.org" target="_blank">three.js</a> - video demo. playing <a href="http://durian.blender.org/" target="_blank">sintel</a> trailer';
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container.appendChild( info );
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camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 10000 );
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camera.position.z = 1000;
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scene = new THREE.Scene();
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video = document.getElementById( 'video' );
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//
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image = document.createElement( 'canvas' );
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image.width = 480;
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image.height = 204;
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imageContext = image.getContext( '2d' );
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imageContext.fillStyle = '#000000';
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imageContext.fillRect( 0, 0, 480, 204 );
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texture = new THREE.Texture( image );
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var material = new THREE.MeshBasicMaterial( { map: texture, overdraw: 0.5 } );
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imageReflection = document.createElement( 'canvas' );
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imageReflection.width = 480;
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imageReflection.height = 204;
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imageReflectionContext = imageReflection.getContext( '2d' );
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imageReflectionContext.fillStyle = '#000000';
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imageReflectionContext.fillRect( 0, 0, 480, 204 );
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imageReflectionGradient = imageReflectionContext.createLinearGradient( 0, 0, 0, 204 );
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imageReflectionGradient.addColorStop( 0.2, 'rgba(240, 240, 240, 1)' );
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imageReflectionGradient.addColorStop( 1, 'rgba(240, 240, 240, 0.8)' );
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textureReflection = new THREE.Texture( imageReflection );
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var materialReflection = new THREE.MeshBasicMaterial( { map: textureReflection, side: THREE.BackSide, overdraw: 0.5 } );
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//
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var plane = new THREE.PlaneGeometry( 480, 204, 4, 4 );
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mesh = new THREE.Mesh( plane, material );
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mesh.scale.x = mesh.scale.y = mesh.scale.z = 1.5;
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scene.add(mesh);
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mesh = new THREE.Mesh( plane, materialReflection );
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mesh.position.y = -306;
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mesh.rotation.x = - Math.PI;
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mesh.scale.x = mesh.scale.y = mesh.scale.z = 1.5;
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scene.add( mesh );
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//
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var separation = 150;
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var amountx = 10;
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var amounty = 10;
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var PI2 = Math.PI * 2;
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var material = new THREE.SpriteCanvasMaterial( {
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color: 0x0808080,
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program: function ( context ) {
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context.beginPath();
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context.arc( 0, 0, 0.5, 0, PI2, true );
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context.fill();
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}
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} );
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for ( var ix = 0; ix < amountx; ix++ ) {
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for ( var iy = 0; iy < amounty; iy++ ) {
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particle = new THREE.Sprite( material );
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particle.position.x = ix * separation - ( ( amountx * separation ) / 2 );
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particle.position.y = -153
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particle.position.z = iy * separation - ( ( amounty * separation ) / 2 );
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particle.scale.x = particle.scale.y = 2;
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scene.add( particle );
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}
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}
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renderer = new THREE.CanvasRenderer();
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renderer.setClearColor( 0xf0f0f0 );
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( window.innerWidth, window.innerHeight );
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container.appendChild( renderer.domElement );
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stats = new Stats();
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stats.domElement.style.position = 'absolute';
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stats.domElement.style.top = '0px';
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container.appendChild( stats.domElement );
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document.addEventListener( 'mousemove', onDocumentMouseMove, false );
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//
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window.addEventListener( 'resize', onWindowResize, false );
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}
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function onWindowResize() {
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windowHalfX = window.innerWidth / 2;
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windowHalfY = window.innerHeight / 2;
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize( window.innerWidth, window.innerHeight );
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}
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function onDocumentMouseMove( event ) {
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mouseX = ( event.clientX - windowHalfX );
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mouseY = ( event.clientY - windowHalfY ) * 0.2;
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}
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//
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function animate() {
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requestAnimationFrame( animate );
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render();
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stats.update();
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}
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function render() {
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camera.position.x += ( mouseX - camera.position.x ) * 0.05;
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camera.position.y += ( - mouseY - camera.position.y ) * 0.05;
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camera.lookAt( scene.position );
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if ( video.readyState === video.HAVE_ENOUGH_DATA ) {
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imageContext.drawImage( video, 0, 0 );
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if ( texture ) texture.needsUpdate = true;
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if ( textureReflection ) textureReflection.needsUpdate = true;
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}
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imageReflectionContext.drawImage( image, 0, 0 );
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imageReflectionContext.fillStyle = imageReflectionGradient;
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imageReflectionContext.fillRect( 0, 0, 480, 204 );
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renderer.render( scene, camera );
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}
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</script>
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</body>
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</html>
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