mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-11-23 05:57:57 +01:00
283 lines
7.0 KiB
HTML
283 lines
7.0 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 webgl - multiple canvases - complex</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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color: #808080;
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font-family:Monospace;
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font-size:13px;
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text-align:center;
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background-color: #fff;
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margin: 0px;
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overflow: hidden;
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}
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#info {
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position: absolute;
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top: 0px; width: 100%;
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padding: 5px;
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}
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#container1, #container2, #container3 {
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position: relative;
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border: 1px solid red;
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}
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#container1 {
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width: 300px;
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height: 200px;
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}
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#container2 {
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width: 400px;
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height: 100px;
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left: 150px;
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}
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#container3 {
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width: 200px;
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height: 300px;
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left: 75px;
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}
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a {
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color: #0080ff;
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}
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</style>
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</head>
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<body>
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<div id="container">
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<div id="container1"></div>
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<div id="container2"></div>
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<div id="container3"></div>
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</div>
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<div id="info"><a href="http://threejs.org" target="_blank">three.js</a> webgl - multiple canvases - complex</div>
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<script src="../build/three.min.js"></script>
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<script src="js/Detector.js"></script>
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<script src="js/libs/stats.min.js"></script>
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<script>
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if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
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var apps = [];
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init();
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animate();
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function init() {
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var container1 = document.getElementById( 'container1' );
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var container2 = document.getElementById( 'container2' );
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var container3 = document.getElementById( 'container3' );
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var fullWidth = 550;
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var fullHeight = 600;
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apps.push( new App( 'container1', fullWidth, fullHeight, 0, 0, container1.clientWidth, container1.clientHeight ) );
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apps.push( new App( 'container2', fullWidth, fullHeight, 150, 200, container2.clientWidth, container2.clientHeight ) );
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apps.push( new App( 'container3', fullWidth, fullHeight, 75, 300, container3.clientWidth, container3.clientHeight ) );
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}
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function animate() {
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for ( var i = 0; i < apps.length; ++i ) {
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apps[ i ].animate();
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}
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requestAnimationFrame( animate );
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}
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function App( containerId, fullWidth, fullHeight, viewX, viewY, viewWidth, viewHeight ) {
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var container, stats;
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var camera, scene, renderer;
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var mesh, group1, group2, group3, light;
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var mouseX = 0, 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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function init() {
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container = document.getElementById( containerId );
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camera = new THREE.PerspectiveCamera( 20, container.clientWidth / container.clientHeight, 1, 10000 );
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camera.setViewOffset( fullWidth, fullHeight, viewX, viewY, viewWidth, viewHeight );
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camera.position.z = 1800;
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scene = new THREE.Scene();
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light = new THREE.DirectionalLight( 0xffffff );
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light.position.set( 0, 0, 1 ).normalize();
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scene.add( light );
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// shadow
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var canvas = document.createElement( 'canvas' );
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canvas.width = 128;
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canvas.height = 128;
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var context = canvas.getContext( '2d' );
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var gradient = context.createRadialGradient( canvas.width / 2, canvas.height / 2, 0, canvas.width / 2, canvas.height / 2, canvas.width / 2 );
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gradient.addColorStop( 0.1, 'rgba(210,210,210,1)' );
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gradient.addColorStop( 1, 'rgba(255,255,255,1)' );
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context.fillStyle = gradient;
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context.fillRect( 0, 0, canvas.width, canvas.height );
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var shadowTexture = new THREE.Texture( canvas );
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shadowTexture.needsUpdate = true;
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var shadowMaterial = new THREE.MeshBasicMaterial( { map: shadowTexture } );
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var shadowGeo = new THREE.PlaneBufferGeometry( 300, 300, 1, 1 );
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mesh = new THREE.Mesh( shadowGeo, shadowMaterial );
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mesh.position.y = - 250;
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mesh.rotation.x = - Math.PI / 2;
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scene.add( mesh );
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mesh = new THREE.Mesh( shadowGeo, shadowMaterial );
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mesh.position.x = - 400;
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mesh.position.y = - 250;
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mesh.rotation.x = - Math.PI / 2;
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scene.add( mesh );
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mesh = new THREE.Mesh( shadowGeo, shadowMaterial );
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mesh.position.x = 400;
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mesh.position.y = - 250;
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mesh.rotation.x = - Math.PI / 2;
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scene.add( mesh );
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var faceIndices = [ 'a', 'b', 'c', 'd' ];
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var color, f1, f2, f3, p, n, vertexIndex,
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radius = 200,
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geometry1 = new THREE.IcosahedronGeometry( radius, 1 ),
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geometry2 = new THREE.IcosahedronGeometry( radius, 1 ),
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geometry3 = new THREE.IcosahedronGeometry( radius, 1 );
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for ( var i = 0; i < geometry1.faces.length; i ++ ) {
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f1 = geometry1.faces[ i ];
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f2 = geometry2.faces[ i ];
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f3 = geometry3.faces[ i ];
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n = ( f1 instanceof THREE.Face3 ) ? 3 : 4;
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for( var j = 0; j < n; j ++ ) {
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vertexIndex = f1[ faceIndices[ j ] ];
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p = geometry1.vertices[ vertexIndex ];
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color = new THREE.Color( 0xffffff );
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color.setHSL( ( p.y / radius + 1 ) / 2, 1.0, 0.5 );
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f1.vertexColors[ j ] = color;
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color = new THREE.Color( 0xffffff );
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color.setHSL( 0.0, ( p.y / radius + 1 ) / 2, 0.5 );
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f2.vertexColors[ j ] = color;
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color = new THREE.Color( 0xffffff );
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color.setHSL( 0.125 * vertexIndex / geometry1.vertices.length, 1.0, 0.5 );
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f3.vertexColors[ j ] = color;
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}
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}
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var materials = [
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new THREE.MeshLambertMaterial( { color: 0xffffff, shading: THREE.FlatShading, vertexColors: THREE.VertexColors } ),
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new THREE.MeshBasicMaterial( { color: 0x000000, shading: THREE.FlatShading, wireframe: true, transparent: true } )
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];
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group1 = THREE.SceneUtils.createMultiMaterialObject( geometry1, materials );
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group1.position.x = -400;
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group1.rotation.x = -1.87;
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scene.add( group1 );
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group2 = THREE.SceneUtils.createMultiMaterialObject( geometry2, materials );
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group2.position.x = 400;
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group2.rotation.x = 0;
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scene.add( group2 );
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group3 = THREE.SceneUtils.createMultiMaterialObject( geometry3, materials );
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group3.position.x = 0;
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group3.rotation.x = 0;
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scene.add( group3 );
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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renderer.setClearColor( 0xffffff );
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( container.clientWidth, container.clientHeight );
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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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function onDocumentMouseMove( event ) {
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mouseX = ( event.clientX - windowHalfX );
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mouseY = ( event.clientY - windowHalfY );
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}
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//
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this.animate = function() {
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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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renderer.render( scene, camera );
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}
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}
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</script>
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</body>
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</html>
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