mirror of
https://github.com/wahyd4/three.js.git
synced 2026-08-09 04:56:01 +10:00
166 lines
3.7 KiB
HTML
166 lines
3.7 KiB
HTML
<!doctype html>
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<html lang="en">
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<head>
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<title>three.js webgl - geometry - dynamic</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: #61443e;
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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: #aaccff;
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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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color: #ffffff;
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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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a {
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color: yellow;
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}
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#oldie {
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background:rgb(0,0,50) !important;
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color:#fff !important;
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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> - dynamic geometry demo - webgl<br />(left click: forward, right click: backward)</div>
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<script src="../build/Three.js"></script>
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<script src="js/Detector.js"></script>
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<script src="js/RequestAnimationFrame.js"></script>
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<script src="js/Stats.js"></script>
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<script>
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if ( ! Detector.webgl ) {
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Detector.addGetWebGLMessage();
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document.getElementById( 'container' ).innerHTML = "";
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}
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var container, stats;
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var camera, controls, scene, renderer;
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var mesh, texture, geometry, material;
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var worldWidth = 128, worldDepth = 128,
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worldHalfWidth = worldWidth / 2, worldHalfDepth = worldDepth / 2;
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var clock = new THREE.Clock();
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init();
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animate();
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function init() {
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container = document.getElementById( 'container' );
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camera = new THREE.PerspectiveCamera( 60, window.innerWidth / window.innerHeight, 1, 20000 );
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camera.position.y = 200;
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controls = new THREE.FirstPersonControls( camera );
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controls.movementSpeed = 500;
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controls.lookSpeed = 0.1
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scene = new THREE.Scene();
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scene.fog = new THREE.FogExp2( 0xaaccff, 0.0007 );
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geometry = new THREE.PlaneGeometry( 20000, 20000, worldWidth - 1, worldDepth - 1 );
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geometry.dynamic = true;
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var i, j, il, jl;
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for ( i = 0, il = geometry.vertices.length; i < il; i ++ ) {
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geometry.vertices[ i ].position.z = 35 * Math.sin( i/2 );
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}
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//console.log( "triangles: " + geometry.faces.length * 2 + " faces: " + geometry.faces.length + " vertices: " + geometry.vertices.length );
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geometry.computeFaceNormals();
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geometry.computeVertexNormals();
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var texture = THREE.ImageUtils.loadTexture( "textures/water.jpg" );
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texture.wrapS = texture.wrapT = THREE.RepeatWrapping;
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texture.repeat.set( 5, 5 );
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material = new THREE.MeshBasicMaterial( { color: 0x0044ff, map: texture } );
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mesh = new THREE.Mesh( geometry, material );
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mesh.rotation.x = - 90 * Math.PI / 180;
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scene.add( mesh );
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renderer = new THREE.WebGLRenderer( { clearColor: 0xaaccff, clearAlpha: 1 } );
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renderer.setSize( window.innerWidth, window.innerHeight );
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container.innerHTML = "";
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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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}
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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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var delta = clock.getDelta(),
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time = clock.getElapsedTime() * 10;
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for ( var i = 0, l = geometry.vertices.length; i < l; i ++ ) {
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geometry.vertices[ i ].position.z = 35 * Math.sin( i / 5 + ( time + i ) / 7 );
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}
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//geometry.computeFaceNormals();
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//geometry.computeVertexNormals();
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mesh.geometry.__dirtyVertices = true;
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//mesh.geometry.__dirtyNormals = true;
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controls.update( delta );
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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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