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@@ -1,147 +0,0 @@
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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 - 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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- <link type="text/css" rel="stylesheet" href="main.css">
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- <style>
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- body {
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- color: #666;
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- }
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- </style>
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- </head>
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- <body>
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-
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- <div id="info">
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- <a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - dynamic geometry<br />
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- left click: forward, right click: backward
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- </div>
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-
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- <script type="importmap">
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- {
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- "imports": {
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- "three": "../build/three.module.js",
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- "three/addons/": "./jsm/"
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- }
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- }
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- </script>
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-
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- <script type="module">
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-
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- import * as THREE from 'three';
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-
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- import Stats from 'three/addons/libs/stats.module.js';
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-
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- import { FirstPersonControls } from 'three/addons/controls/FirstPersonControls.js';
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- import { Timer } from 'three/addons/misc/Timer.js';
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-
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- let camera, controls, scene, renderer, stats;
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-
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- let mesh, geometry, material, timer;
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-
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- const worldWidth = 128, worldDepth = 128;
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-
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- init();
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-
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- function init() {
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-
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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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-
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- timer = new Timer();
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- timer.connect( document );
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-
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- scene = new THREE.Scene();
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- scene.background = new THREE.Color( 0xaaccff );
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- scene.fog = new THREE.FogExp2( 0xaaccff, 0.0007 );
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-
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- geometry = new THREE.PlaneGeometry( 20000, 20000, worldWidth - 1, worldDepth - 1 );
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- geometry.rotateX( - Math.PI / 2 );
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-
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- const position = geometry.attributes.position;
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- position.usage = THREE.DynamicDrawUsage;
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-
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- for ( let i = 0; i < position.count; i ++ ) {
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-
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- const y = 35 * Math.sin( i / 2 );
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- position.setY( i, y );
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-
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- }
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-
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- const texture = new THREE.TextureLoader().load( '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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- texture.colorSpace = THREE.SRGBColorSpace;
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-
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- material = new THREE.MeshBasicMaterial( { color: 0x0044ff, map: texture } );
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-
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- mesh = new THREE.Mesh( geometry, material );
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- scene.add( mesh );
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-
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- renderer = new THREE.WebGLRenderer( { antialias: true } );
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- renderer.setPixelRatio( window.devicePixelRatio );
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- renderer.setSize( window.innerWidth, window.innerHeight );
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- renderer.setAnimationLoop( animate );
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- document.body.appendChild( renderer.domElement );
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-
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- controls = new FirstPersonControls( camera, renderer.domElement );
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-
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- controls.movementSpeed = 500;
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- controls.lookSpeed = 0.1;
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-
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- stats = new Stats();
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- document.body.appendChild( stats.dom );
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-
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- //
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-
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- window.addEventListener( 'resize', onWindowResize );
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-
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- }
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-
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- function onWindowResize() {
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-
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- camera.aspect = window.innerWidth / window.innerHeight;
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- camera.updateProjectionMatrix();
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-
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- renderer.setSize( window.innerWidth, window.innerHeight );
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-
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- controls.handleResize();
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-
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- }
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-
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- //
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-
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- function animate() {
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-
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- timer.update();
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- render();
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- stats.update();
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-
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- }
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-
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- function render() {
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-
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- const delta = timer.getDelta();
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- const time = timer.getElapsed() * 10;
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-
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- const position = geometry.attributes.position;
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-
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- for ( let i = 0; i < position.count; i ++ ) {
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-
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- const y = 35 * Math.sin( i / 5 + ( time + i ) / 7 );
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- position.setY( i, y );
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-
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- }
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-
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- position.needsUpdate = true;
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-
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- controls.update( delta );
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- renderer.render( scene, camera );
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-
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- }
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-
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- </script>
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-
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- </body>
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-</html>
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Michael Herzog
