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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <title>three.js webgl - multiple views</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 {
- color: #000;
- font-family:Monospace;
- font-size:13px;
- text-align:center;
- background-color: #fff;
- margin: 0px;
- overflow: hidden;
- }
- #info {
- position: absolute;
- top: 0px; width: 100%;
- padding: 5px;
- }
- a {
- color: #0080ff;
- }
- </style>
- </head>
- <body>
- <div id="container"></div>
- <div id="info"><a href="http://threejs.org" target="_blank">three.js</a> - multiple views - webgl</div>
- <script src="../build/three.js"></script>
- <script src="js/Detector.js"></script>
- <script src="js/libs/stats.min.js"></script>
- <script>
- if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
- var container, stats;
- var views, scene, renderer;
- var mesh, group1, group2, group3, light;
- var mouseX = 0, mouseY = 0;
- var windowWidth, windowHeight;
- var views = [
- {
- left: 0,
- bottom: 0,
- width: 0.5,
- height: 1.0,
- background: new THREE.Color().setRGB( 0.5, 0.5, 0.7 ),
- eye: [ 0, 300, 1800 ],
- up: [ 0, 1, 0 ],
- fov: 30,
- updateCamera: function ( camera, scene, mouseX, mouseY ) {
- camera.position.x += mouseX * 0.05;
- camera.position.x = Math.max( Math.min( camera.position.x, 2000 ), -2000 );
- camera.lookAt( scene.position );
- }
- },
- {
- left: 0.5,
- bottom: 0,
- width: 0.5,
- height: 0.5,
- background: new THREE.Color().setRGB( 0.7, 0.5, 0.5 ),
- eye: [ 0, 1800, 0 ],
- up: [ 0, 0, 1 ],
- fov: 45,
- updateCamera: function ( camera, scene, mouseX, mouseY ) {
- camera.position.x -= mouseX * 0.05;
- camera.position.x = Math.max( Math.min( camera.position.x, 2000 ), -2000 );
- camera.lookAt( camera.position.clone().setY( 0 ) );
- }
- },
- {
- left: 0.5,
- bottom: 0.5,
- width: 0.5,
- height: 0.5,
- background: new THREE.Color().setRGB( 0.5, 0.7, 0.7 ),
- eye: [ 1400, 800, 1400 ],
- up: [ 0, 1, 0 ],
- fov: 60,
- updateCamera: function ( camera, scene, mouseX, mouseY ) {
- camera.position.y -= mouseX * 0.05;
- camera.position.y = Math.max( Math.min( camera.position.y, 1600 ), -1600 );
- camera.lookAt( scene.position );
- }
- }
- ];
- init();
- animate();
- function init() {
- container = document.getElementById( 'container' );
- for (var ii = 0; ii < views.length; ++ii ) {
- var view = views[ii];
- camera = new THREE.PerspectiveCamera( view.fov, window.innerWidth / window.innerHeight, 1, 10000 );
- camera.position.x = view.eye[ 0 ];
- camera.position.y = view.eye[ 1 ];
- camera.position.z = view.eye[ 2 ];
- camera.up.x = view.up[ 0 ];
- camera.up.y = view.up[ 1 ];
- camera.up.z = view.up[ 2 ];
- view.camera = camera;
- }
- scene = new THREE.Scene();
- light = new THREE.DirectionalLight( 0xffffff );
- light.position.set( 0, 0, 1 );
- scene.add( light );
- // shadow
- var canvas = document.createElement( 'canvas' );
- canvas.width = 128;
- canvas.height = 128;
- var context = canvas.getContext( '2d' );
- var gradient = context.createRadialGradient( canvas.width / 2, canvas.height / 2, 0, canvas.width / 2, canvas.height / 2, canvas.width / 2 );
- gradient.addColorStop( 0.1, 'rgba(0,0,0,0.15)' );
- gradient.addColorStop( 1, 'rgba(0,0,0,0)' );
- context.fillStyle = gradient;
- context.fillRect( 0, 0, canvas.width, canvas.height );
- var shadowTexture = new THREE.CanvasTexture( canvas );
- var shadowMaterial = new THREE.MeshBasicMaterial( { map: shadowTexture, transparent: true } );
- var shadowGeo = new THREE.PlaneBufferGeometry( 300, 300, 1, 1 );
- mesh = new THREE.Mesh( shadowGeo, shadowMaterial );
- mesh.position.y = - 250;
- mesh.rotation.x = - Math. PI / 2;
- scene.add( mesh );
- mesh = new THREE.Mesh( shadowGeo, shadowMaterial );
- mesh.position.x = - 400;
- mesh.position.y = - 250;
- mesh.rotation.x = - Math. PI / 2;
- scene.add( mesh );
- mesh = new THREE.Mesh( shadowGeo, shadowMaterial );
- mesh.position.x = 400;
- mesh.position.y = - 250;
- mesh.rotation.x = - Math. PI / 2;
- scene.add( mesh );
- var faceIndices = [ 'a', 'b', 'c' ];
- var color, f, f2, f3, p, vertexIndex,
- radius = 200,
- geometry = new THREE.IcosahedronGeometry( radius, 1 ),
- geometry2 = new THREE.IcosahedronGeometry( radius, 1 ),
- geometry3 = new THREE.IcosahedronGeometry( radius, 1 );
- for ( var i = 0; i < geometry.faces.length; i ++ ) {
- f = geometry.faces[ i ];
- f2 = geometry2.faces[ i ];
- f3 = geometry3.faces[ i ];
- for( var j = 0; j < 3; j++ ) {
- vertexIndex = f[ faceIndices[ j ] ];
- p = geometry.vertices[ vertexIndex ];
- color = new THREE.Color( 0xffffff );
- color.setHSL( ( p.y / radius + 1 ) / 2, 1.0, 0.5 );
- f.vertexColors[ j ] = color;
- color = new THREE.Color( 0xffffff );
- color.setHSL( 0.0, ( p.y / radius + 1 ) / 2, 0.5 );
- f2.vertexColors[ j ] = color;
- color = new THREE.Color( 0xffffff );
- color.setHSL( 0.125 * vertexIndex/geometry.vertices.length, 1.0, 0.5 );
- f3.vertexColors[ j ] = color;
- }
- }
- var materials = [
- new THREE.MeshPhongMaterial( { color: 0xffffff, shading: THREE.FlatShading, vertexColors: THREE.VertexColors, shininess: 0 } ),
- new THREE.MeshBasicMaterial( { color: 0x000000, shading: THREE.FlatShading, wireframe: true, transparent: true } )
- ];
- group1 = THREE.SceneUtils.createMultiMaterialObject( geometry, materials );
- group1.position.x = -400;
- group1.rotation.x = -1.87;
- scene.add( group1 );
- group2 = THREE.SceneUtils.createMultiMaterialObject( geometry2, materials );
- group2.position.x = 400;
- group2.rotation.x = 0;
- scene.add( group2 );
- group3 = THREE.SceneUtils.createMultiMaterialObject( geometry3, materials );
- group3.position.x = 0;
- group3.rotation.x = 0;
- scene.add( group3 );
- renderer = new THREE.WebGLRenderer( { antialias: true } );
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setSize( window.innerWidth, window.innerHeight );
- container.appendChild( renderer.domElement );
- stats = new Stats();
- container.appendChild( stats.dom );
- document.addEventListener( 'mousemove', onDocumentMouseMove, false );
- }
- function onDocumentMouseMove( event ) {
- mouseX = ( event.clientX - windowWidth / 2 );
- mouseY = ( event.clientY - windowHeight / 2 );
- }
- function updateSize() {
- if ( windowWidth != window.innerWidth || windowHeight != window.innerHeight ) {
- windowWidth = window.innerWidth;
- windowHeight = window.innerHeight;
- renderer.setSize ( windowWidth, windowHeight );
- }
- }
- function animate() {
- render();
- stats.update();
- requestAnimationFrame( animate );
- }
- function render() {
- updateSize();
- for ( var ii = 0; ii < views.length; ++ii ) {
- view = views[ii];
- camera = view.camera;
- view.updateCamera( camera, scene, mouseX, mouseY );
- var left = Math.floor( windowWidth * view.left );
- var bottom = Math.floor( windowHeight * view.bottom );
- var width = Math.floor( windowWidth * view.width );
- var height = Math.floor( windowHeight * view.height );
- renderer.setViewport( left, bottom, width, height );
- renderer.setScissor( left, bottom, width, height );
- renderer.setScissorTest( true );
- renderer.setClearColor( view.background );
- camera.aspect = width / height;
- camera.updateProjectionMatrix();
- renderer.render( scene, camera );
- }
- }
- </script>
- </body>
- </html>
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