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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <title>three.js - water</title>
- <meta charset="utf-8">
- <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
- <link type="text/css" rel="stylesheet" href="main.css">
- </head>
- <body>
- <div id="container"></div>
- <div id="info">
- <a href="https://threejs.org" target="_blank" rel="noopener noreferrer">three.js</a> - water
- </div>
- <script type="importmap">
- {
- "imports": {
- "three": "../build/three.webgpu.js",
- "three/tsl": "../build/three.webgpu.js",
- "three/addons/": "./jsm/"
- }
- }
- </script>
- <script type="module">
- import * as THREE from 'three';
- import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
- import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
- import { WaterMesh } from 'three/addons/objects/Water2Mesh.js';
- let scene, camera, clock, renderer, water;
- let torusKnot;
- const params = {
- color: '#ffffff',
- scale: 4,
- flowX: 1,
- flowY: 1
- };
- init();
- function init() {
- // scene
- scene = new THREE.Scene();
- // camera
- camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.1, 200 );
- camera.position.set( - 15, 7, 15 );
- camera.lookAt( scene.position );
- // clock
- clock = new THREE.Clock();
- // mesh
- const torusKnotGeometry = new THREE.TorusKnotGeometry( 3, 1, 256, 32 );
- const torusKnotMaterial = new THREE.MeshNormalMaterial();
- torusKnot = new THREE.Mesh( torusKnotGeometry, torusKnotMaterial );
- torusKnot.position.y = 4;
- torusKnot.scale.set( 0.5, 0.5, 0.5 );
- scene.add( torusKnot );
- // ground
- const groundGeometry = new THREE.PlaneGeometry( 20, 20 );
- const groundMaterial = new THREE.MeshStandardMaterial( { roughness: 0.8, metalness: 0.4 } );
- const ground = new THREE.Mesh( groundGeometry, groundMaterial );
- ground.rotation.x = Math.PI * - 0.5;
- scene.add( ground );
- const textureLoader = new THREE.TextureLoader();
- textureLoader.load( 'textures/hardwood2_diffuse.jpg', function ( map ) {
- map.wrapS = THREE.RepeatWrapping;
- map.wrapT = THREE.RepeatWrapping;
- map.anisotropy = 16;
- map.repeat.set( 4, 4 );
- map.colorSpace = THREE.SRGBColorSpace;
- groundMaterial.map = map;
- groundMaterial.needsUpdate = true;
- } );
- //
- const normalMap0 = textureLoader.load( 'textures/water/Water_1_M_Normal.jpg' );
- const normalMap1 = textureLoader.load( 'textures/water/Water_2_M_Normal.jpg' );
- normalMap0.wrapS = normalMap0.wrapT = THREE.RepeatWrapping;
- normalMap1.wrapS = normalMap1.wrapT = THREE.RepeatWrapping;
- // water
- const waterGeometry = new THREE.PlaneGeometry( 20, 20 );
- water = new WaterMesh( waterGeometry, {
- color: params.color,
- scale: params.scale,
- flowDirection: new THREE.Vector2( params.flowX, params.flowY ),
- normalMap0: normalMap0,
- normalMap1: normalMap1
- } );
- water.position.y = 1;
- water.rotation.x = Math.PI * - 0.5;
- scene.add( water );
- // skybox
- const cubeTextureLoader = new THREE.CubeTextureLoader();
- cubeTextureLoader.setPath( 'textures/cube/Park2/' );
- const cubeTexture = cubeTextureLoader.load( [
- 'posx.jpg', 'negx.jpg',
- 'posy.jpg', 'negy.jpg',
- 'posz.jpg', 'negz.jpg'
- ] );
- scene.background = cubeTexture;
- // light
- const ambientLight = new THREE.AmbientLight( 0xe7e7e7, 1.2 );
- scene.add( ambientLight );
- const directionalLight = new THREE.DirectionalLight( 0xffffff, 2 );
- directionalLight.position.set( - 1, 1, 1 );
- scene.add( directionalLight );
- // renderer
- renderer = new THREE.WebGPURenderer();
- renderer.setSize( window.innerWidth, window.innerHeight );
- renderer.setPixelRatio( window.devicePixelRatio );
- renderer.setAnimationLoop( animate );
- document.body.appendChild( renderer.domElement );
- // gui
- const gui = new GUI();
- const waterNode = water.material.fragmentNode;
- gui.addColor( params, 'color' ).onChange( function ( value ) {
- waterNode.color.value.set( value );
- } );
- gui.add( params, 'scale', 1, 10 ).onChange( function ( value ) {
- waterNode.scale.value = value;
- } );
- gui.add( params, 'flowX', - 1, 1 ).step( 0.01 ).onChange( function ( value ) {
- waterNode.flowDirection.value.x = value;
- waterNode.flowDirection.value.normalize();
- } );
- gui.add( params, 'flowY', - 1, 1 ).step( 0.01 ).onChange( function ( value ) {
- waterNode.flowDirection.value.y = value;
- waterNode.flowDirection.value.normalize();
- } );
- gui.open();
- //
- const controls = new OrbitControls( camera, renderer.domElement );
- controls.minDistance = 5;
- controls.maxDistance = 50;
- //
- window.addEventListener( 'resize', onWindowResize );
- }
- function onWindowResize() {
- camera.aspect = window.innerWidth / window.innerHeight;
- camera.updateProjectionMatrix();
- renderer.setSize( window.innerWidth, window.innerHeight );
- }
- function animate() {
- const delta = clock.getDelta();
- torusKnot.rotation.x += delta;
- torusKnot.rotation.y += delta * 0.5;
- renderer.render( scene, camera );
- }
- </script>
- </body>
- </html>
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