mirror of
https://github.com/wahyd4/three.js.git
synced 2026-08-09 04:56:01 +10:00
2 Examples for using setViewOffet.
I think setViewOffset is mostly useful for multiple monitors synced across multiple machines but that's a hard demo to setup so these demos show doing it locally with muliple canvases
This commit is contained in:
Gregg Tavares
+254
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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-canvaes - complex</title>
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<meta charset="utf-8">
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<style type="text/css">
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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://github.com/mrdoob/three.js" target="_blank">three.js</a> - vertex colors - webgl</div>
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<script type="text/javascript" src="../build/Three.js"></script>
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<script type="text/javascript" src="js/Detector.js"></script>
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<script type="text/javascript" src="js/RequestAnimationFrame.js"></script>
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<script type="text/javascript" src="js/Stats.js"></script>
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<script type="text/javascript">
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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, mesh2, mesh3, 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.Camera( 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 );
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light.position.normalize();
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scene.addLight( light );
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var shadowMaterial = new THREE.MeshBasicMaterial( { map: THREE.ImageUtils.loadTexture( 'textures/shadow.png' ) } );
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var shadowGeo = new THREE.Plane( 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 = - 90 * Math.PI / 180;
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scene.addObject( mesh );
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mesh = new THREE.Mesh( shadowGeo, shadowMaterial );
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mesh.position.y = - 250;
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mesh.position.x = - 400;
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mesh.rotation.x = - 90 * Math.PI / 180;
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scene.addObject( mesh );
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mesh = new THREE.Mesh( shadowGeo, shadowMaterial );
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mesh.position.y = - 250;
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mesh.position.x = 400;
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mesh.rotation.x = - 90 * Math.PI / 180;
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scene.addObject( mesh );
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var faceIndices = [ 'a', 'b', 'c', 'd' ];
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var color, f, f2, f3, p, n, vertexIndex,
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geometry = new THREE.Icosahedron( 1 ),
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geometry2 = new THREE.Icosahedron( 1 ),
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geometry3 = new THREE.Icosahedron( 1 );
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for ( var i = 0; i < geometry.faces.length; i++ ) {
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f = geometry.faces[ i ];
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f2 = geometry2.faces[ i ];
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f3 = geometry3.faces[ i ];
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n = ( f instanceof THREE.Face3 ) ? 3 : 4;
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for( var j = 0; j < n; j++ ) {
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vertexIndex = f[ faceIndices[ j ] ];
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p = geometry.vertices[ vertexIndex ].position;
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color = new THREE.Color( 0xffffff );
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color.setHSV( ( p.y + 1 ) / 2, 1.0, 1.0 );
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f.vertexColors[ j ] = color;
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color = new THREE.Color( 0xffffff );
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color.setHSV( 0.0, ( p.y + 1 ) / 2, 1.0 );
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f2.vertexColors[ j ] = color;
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color = new THREE.Color( 0xffffff );
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color.setHSV( 0.125 * vertexIndex/geometry.vertices.length, 1.0, 1.0 );
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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 } )
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];
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mesh = new THREE.Mesh( geometry, materials );
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mesh.position.x = -400;
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mesh.scale.x = mesh.scale.y = mesh.scale.z = 200;
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mesh.rotation.x = -1.87;
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scene.addObject( mesh );
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mesh2 = new THREE.Mesh( geometry2, materials );
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mesh2.position.x = 400;
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mesh2.rotation.x = 0;
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mesh2.scale = mesh.scale;
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scene.addObject( mesh2 );
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mesh3 = new THREE.Mesh( geometry3, materials );
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mesh3.position.x = 0;
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mesh3.rotation.x = 0;
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mesh3.scale = mesh.scale;
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scene.addObject( mesh3 );
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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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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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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Executable
+270
@@ -0,0 +1,270 @@
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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 - grid</title>
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<meta charset="utf-8">
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<style type="text/css">
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html, 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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width: 100%;
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height: 100%;
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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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#centerer {
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display: table;
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width: 100%;
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height: 100%;
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}
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#centerer-cell {
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display: table-cell;
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vertical-align: middle;
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}
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#container {
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margin-left: auto;
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margin-right: auto;
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width: 604px; // 300*2 + border;
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}
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#container div {
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float: left;
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}
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#container1, #container2, #container3, #container4 {
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width: 300px;
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height: 200px;
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position: relative;
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border: 1px solid red;
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float:left;
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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="centerer">
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<div id="centerer-cell">
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<div id="container">
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<div class="container-row">
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<div id="container1"></div>
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<div id="container2"></div>
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</div>
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<div class="container-row">
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<div id="container3"></div>
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<div id="container4"></div>
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</div>
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</div>
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</div>
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</div>
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<div id="info"><a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - vertex colors - webgl</div>
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<script type="text/javascript" src="../build/Three.js"></script>
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<script type="text/javascript" src="js/Detector.js"></script>
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<script type="text/javascript" src="js/RequestAnimationFrame.js"></script>
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<script type="text/javascript" src="js/Stats.js"></script>
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<script type="text/javascript">
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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 w = 300;
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var h = 200;
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var fullWidth = w * 2;
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var fullHeight = h * 2;
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apps.push(new App('container1', fullWidth, fullHeight, w * 0, h * 0, w, h));
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apps.push(new App('container2', fullWidth, fullHeight, w * 1, h * 0, w, h));
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apps.push(new App('container3', fullWidth, fullHeight, w * 0, h * 1, w, h));
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apps.push(new App('container4', fullWidth, fullHeight, w * 1, h * 1, w, h));
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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, mesh2, mesh3, 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.Camera( 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 );
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light.position.normalize();
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scene.addLight( light );
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var shadowMaterial = new THREE.MeshBasicMaterial( { map: THREE.ImageUtils.loadTexture( 'textures/shadow.png' ) } );
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var shadowGeo = new THREE.Plane( 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 = - 90 * Math.PI / 180;
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scene.addObject( mesh );
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mesh = new THREE.Mesh( shadowGeo, shadowMaterial );
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mesh.position.y = - 250;
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mesh.position.x = - 400;
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mesh.rotation.x = - 90 * Math.PI / 180;
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scene.addObject( mesh );
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mesh = new THREE.Mesh( shadowGeo, shadowMaterial );
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mesh.position.y = - 250;
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mesh.position.x = 400;
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mesh.rotation.x = - 90 * Math.PI / 180;
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scene.addObject( mesh );
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var faceIndices = [ 'a', 'b', 'c', 'd' ];
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var color, f, f2, f3, p, n, vertexIndex,
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geometry = new THREE.Icosahedron( 1 ),
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geometry2 = new THREE.Icosahedron( 1 ),
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geometry3 = new THREE.Icosahedron( 1 );
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for ( var i = 0; i < geometry.faces.length; i++ ) {
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f = geometry.faces[ i ];
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f2 = geometry2.faces[ i ];
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f3 = geometry3.faces[ i ];
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n = ( f instanceof THREE.Face3 ) ? 3 : 4;
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for( var j = 0; j < n; j++ ) {
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vertexIndex = f[ faceIndices[ j ] ];
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p = geometry.vertices[ vertexIndex ].position;
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color = new THREE.Color( 0xffffff );
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color.setHSV( ( p.y + 1 ) / 2, 1.0, 1.0 );
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f.vertexColors[ j ] = color;
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color = new THREE.Color( 0xffffff );
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color.setHSV( 0.0, ( p.y + 1 ) / 2, 1.0 );
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f2.vertexColors[ j ] = color;
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color = new THREE.Color( 0xffffff );
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color.setHSV( 0.125 * vertexIndex/geometry.vertices.length, 1.0, 1.0 );
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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 } )
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];
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mesh = new THREE.Mesh( geometry, materials );
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mesh.position.x = -400;
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mesh.scale.x = mesh.scale.y = mesh.scale.z = 200;
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mesh.rotation.x = -1.87;
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scene.addObject( mesh );
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mesh2 = new THREE.Mesh( geometry2, materials );
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mesh2.position.x = 400;
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mesh2.rotation.x = 0;
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mesh2.scale = mesh.scale;
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scene.addObject( mesh2 );
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mesh3 = new THREE.Mesh( geometry3, materials );
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mesh3.position.x = 0;
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mesh3.rotation.x = 0;
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mesh3.scale = mesh.scale;
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scene.addObject( mesh3 );
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renderer = new THREE.WebGLRenderer( { antialias: true } );
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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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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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Reference in New Issue
Block a user