mirror of
https://github.com/wahyd4/three.js.git
synced 2026-08-09 04:56:01 +10:00
218 lines
5.7 KiB
HTML
218 lines
5.7 KiB
HTML
<!DOCTYPE HTML>
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<html lang="en">
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<head>
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<title>three.js - vr</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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background-color: rgb(200,200,200);
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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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color: #ffffff;
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padding: 5px;
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font-family:Monospace;
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font-size:13px;
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font-weight: bold;
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text-align:center;
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}
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a {
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color: #ffffff;
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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"></div>
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<div id="info"><a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - vr demo. skybox by <a href="http://www.zfight.com/" target="_blank">Jochum Skoglund</a>. (mousewheel: change fov)</div>
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<script type="text/javascript" src="../build/Three.js"></script>
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<script type="text/javascript" src="../src/extras/primitives/Cube.js"></script>
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<script type="text/javascript">
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var camera, scene, renderer;
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var fov = 75,
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texture_placeholder, wireframe,
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isUserInteracting = false,
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onMouseDownMouseX = 0, onMouseDownMouseY = 0,
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lon = 90, onMouseDownLon = 0,
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lat = 0, onMouseDownLat = 0,
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phi = 0, theta = 0;
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init();
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function init() {
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var container, mesh;
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container = document.getElementById( 'container' );
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camera = new THREE.Camera( fov, window.innerWidth / window.innerHeight, 1, 1100 );
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scene = new THREE.Scene();
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texture_placeholder = document.createElement( 'canvas' );
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texture_placeholder.width = 128;
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texture_placeholder.height = 128;
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wireframe = new THREE.MeshBasicMaterial( { color: 0xffffff, opacity: 0, wireframe: true } );
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var context = texture_placeholder.getContext( '2d' );
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context.fillStyle = 'rgb( 200, 200, 200 )';
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context.fillRect( 0, 0, texture_placeholder.width, texture_placeholder.height );
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var materials = [];
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materials.push( [ loadTexture( 'textures/cube/skybox/px.jpg' ), wireframe ] ); // right
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materials.push( [ loadTexture( 'textures/cube/skybox/nx.jpg' ), wireframe ] ); // left
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materials.push( [ loadTexture( 'textures/cube/skybox/py.jpg' ), wireframe ] ); // top
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materials.push( [ loadTexture( 'textures/cube/skybox/ny.jpg' ), wireframe ] ); // bottom
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materials.push( [ loadTexture( 'textures/cube/skybox/pz.jpg' ), wireframe ] ); // back
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materials.push( [ loadTexture( 'textures/cube/skybox/nz.jpg' ), wireframe ] ); // front
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mesh = new THREE.Mesh( new Cube( 300, 300, 300, 7, 7, materials, true ), new THREE.MeshFaceMaterial() );
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mesh.overdraw = true;
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scene.addObject( mesh );
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for ( var i = 0, l = mesh.geometry.vertices.length; i < l; i ++ ) {
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var vertex = mesh.geometry.vertices[ i ];
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vertex.position.normalize();
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vertex.position.multiplyScalar( 550 );
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}
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renderer = new THREE.CanvasRenderer();
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renderer.setSize( window.innerWidth, window.innerHeight );
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container.appendChild( renderer.domElement );
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document.addEventListener( 'mousedown', onDocumentMouseDown, false );
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document.addEventListener( 'mousemove', onDocumentMouseMove, false );
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document.addEventListener( 'mouseup', onDocumentMouseUp, false );
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document.addEventListener( 'mousewheel', onDocumentMouseWheel, false );
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document.addEventListener( 'touchstart', onDocumentTouchStart, false );
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document.addEventListener( 'touchmove', onDocumentTouchMove, false );
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}
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function loadTexture( path ) {
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var material = new THREE.MeshBasicMaterial( { map: new THREE.Texture( texture_placeholder, THREE.UVMapping ) } );
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var texture = new Image();
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texture.onload = function () {
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material.map.image = this;
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render();
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};
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texture.src = path;
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return material;
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}
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function onDocumentMouseDown( event ) {
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event.preventDefault();
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isUserInteracting = true;
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wireframe.opacity = 0.2;
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onPointerDownPointerX = event.clientX;
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onPointerDownPointerY = event.clientY;
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onPointerDownLon = lon;
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onPointerDownLat = lat;
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}
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function onDocumentMouseMove( event ) {
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if ( isUserInteracting ) {
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lon = ( onPointerDownPointerX - event.clientX ) * 0.1 + onPointerDownLon;
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lat = ( event.clientY - onPointerDownPointerY ) * 0.1 + onPointerDownLat;
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render();
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}
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}
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function onDocumentMouseUp( event ) {
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isUserInteracting = false;
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wireframe.opacity = 0;
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render();
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}
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function onDocumentMouseWheel( event ) {
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fov -= event.wheelDeltaY * 0.05;
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camera.projectionMatrix = THREE.Matrix4.makePerspective( fov, window.innerWidth / window.innerHeight, 1, 1100 );
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render();
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}
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function onDocumentTouchStart( event ) {
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if( event.touches.length == 1 ) {
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event.preventDefault();
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onPointerDownPointerX = event.touches[ 0 ].pageX;
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onPointerDownPointerY = event.touches[ 0 ].pageY;
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onPointerDownLon = lon;
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onPointerDownLat = lat;
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}
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}
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function onDocumentTouchMove( event ) {
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if( event.touches.length == 1 ) {
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event.preventDefault();
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lon = ( onPointerDownPointerX - event.touches[0].pageX ) * 0.1 + onPointerDownLon;
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lat = ( event.touches[0].pageY - onPointerDownPointerY ) * 0.1 + onPointerDownLat;
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render();
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}
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}
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function render() {
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lat = Math.max( - 85, Math.min( 85, lat ) );
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phi = ( 90 - lat ) * Math.PI / 180;
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theta = lon * Math.PI / 180;
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camera.target.position.x = 500 * Math.sin( phi ) * Math.cos( theta );
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camera.target.position.y = 500 * Math.cos( phi );
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camera.target.position.z = 500 * Math.sin( phi ) * Math.sin( theta );
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camera.position.x = - camera.target.position.x;
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camera.position.y = - camera.target.position.y;
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camera.position.z = - camera.target.position.z;
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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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