javascript
/
three.js
mirror of https://github.com/tazdij/three.js.git


			
				
					
						
						
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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="module">
			import {
				AmbientLight,
				Clock,
				CubeTextureLoader,
				DirectionalLight,
				Mesh,
				MeshNormalMaterial,
				MeshStandardMaterial,
				PerspectiveCamera,
				PlaneBufferGeometry,
				RepeatWrapping,
				Scene,
				TextureLoader,
				TorusKnotBufferGeometry,
				Vector2,
				WebGLRenderer
			} from "../build/three.module.js";

			import { GUI } from './jsm/libs/dat.gui.module.js';
			import { OrbitControls } from './jsm/controls/OrbitControls.js';
			import { Water } from './jsm/objects/Water2.js';

			var scene, camera, clock, renderer, water;

			var torusKnot;

			var params = {
				color: '#ffffff',
				scale: 4,
				flowX: 1,
				flowY: 1
			};

			init();
			animate();

			function init() {

				// scene

				scene = new Scene();

				// camera

				camera = new PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 0.1, 1000 );
				camera.position.set( - 15, 7, 15 );
				camera.lookAt( scene.position );

				// clock

				clock = new Clock();

				// mesh

				var torusKnotGeometry = new TorusKnotBufferGeometry( 3, 1, 256, 32 );
				var torusKnotMaterial = new MeshNormalMaterial();

				torusKnot = new Mesh( torusKnotGeometry, torusKnotMaterial );
				torusKnot.position.y = 4;
				torusKnot.scale.set( 0.5, 0.5, 0.5 );
				scene.add( torusKnot );

				// ground

				var groundGeometry = new PlaneBufferGeometry( 20, 20 );
				var groundMaterial = new MeshStandardMaterial( { roughness: 0.8, metalness: 0.4 } );
				var ground = new Mesh( groundGeometry, groundMaterial );
				ground.rotation.x = Math.PI * - 0.5;
				scene.add( ground );

				var textureLoader = new TextureLoader();
				textureLoader.load( 'textures/hardwood2_diffuse.jpg', function ( map ) {

					map.wrapS = RepeatWrapping;
					map.wrapT = RepeatWrapping;
					map.anisotropy = 16;
					map.repeat.set( 4, 4 );
					groundMaterial.map = map;
					groundMaterial.needsUpdate = true;

				} );

				// water

				var waterGeometry = new PlaneBufferGeometry( 20, 20 );

				water = new Water( waterGeometry, {
					color: params.color,
					scale: params.scale,
					flowDirection: new Vector2( params.flowX, params.flowY ),
					textureWidth: 1024,
					textureHeight: 1024
				} );

				water.position.y = 1;
				water.rotation.x = Math.PI * - 0.5;
				scene.add( water );

				// skybox

				var cubeTextureLoader = new CubeTextureLoader();
				cubeTextureLoader.setPath( 'textures/cube/skybox/' );

				var cubeTexture = cubeTextureLoader.load( [
					'px.jpg', 'nx.jpg',
					'py.jpg', 'ny.jpg',
					'pz.jpg', 'nz.jpg',
				] );

				scene.background = cubeTexture;

				// light

				var ambientLight = new AmbientLight( 0xcccccc, 0.4 );
				scene.add( ambientLight );

				var directionalLight = new DirectionalLight( 0xffffff, 0.6 );
				directionalLight.position.set( - 1, 1, 1 );
				scene.add( directionalLight );

				// renderer

				renderer = new WebGLRenderer( { antialias: true } );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.setPixelRatio( window.devicePixelRatio );
				document.body.appendChild( renderer.domElement );

				// dat.gui

				var gui = new GUI();

				gui.addColor( params, 'color' ).onChange( function ( value ) {

					water.material.uniforms[ 'color' ].value.set( value );

				} );
				gui.add( params, 'scale', 1, 10 ).onChange( function ( value ) {

					water.material.uniforms[ 'config' ].value.w = value;

				} );
				gui.add( params, 'flowX', - 1, 1 ).step( 0.01 ).onChange( function ( value ) {

					water.material.uniforms[ 'flowDirection' ].value.x = value;
					water.material.uniforms[ 'flowDirection' ].value.normalize();

				} );
				gui.add( params, 'flowY', - 1, 1 ).step( 0.01 ).onChange( function ( value ) {

					water.material.uniforms[ 'flowDirection' ].value.y = value;
					water.material.uniforms[ 'flowDirection' ].value.normalize();

				} );

				gui.open();

				//

				var controls = new OrbitControls( camera, renderer.domElement );

				//

				window.addEventListener( 'resize', onResize, false );

			}

			function onResize() {

				camera.aspect = window.innerWidth / window.innerHeight;
				camera.updateProjectionMatrix();
				renderer.setSize( window.innerWidth, window.innerHeight );

			}

			function animate() {

				requestAnimationFrame( animate );

				render();

			}

			function render() {

				var delta = clock.getDelta();

				torusKnot.rotation.x += delta;
				torusKnot.rotation.y += delta * 0.5;

				renderer.render( scene, camera );

			}

		</script>

</body>
</html>