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 refraction</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> - refraction
		</div>

		<script type="module">
			import {
				AmbientLight,
				Clock,
				Mesh,
				MeshStandardMaterial,
				PerspectiveCamera,
				PlaneBufferGeometry,
				PointLight,
				RepeatWrapping,
				Scene,
				TextureLoader,
				TorusKnotBufferGeometry,
				WebGLRenderer
			} from "../build/three.module.js";

			import { OrbitControls } from './jsm/controls/OrbitControls.js';
			import { Refractor } from './jsm/objects/Refractor.js';
			import { WaterRefractionShader } from './jsm/shaders/WaterRefractionShader.js';

			var scene, camera, clock, renderer, refractor;

			init();

			function init() {

				// scene

				scene = new Scene();

				// camera

				camera = new PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 1000 );
				camera.position.set( - 10, 0, 15 );
				camera.lookAt( scene.position );

				// clock

				clock = new Clock();

				// mesh

				var geometry = new TorusKnotBufferGeometry( 3, 1, 256, 32 );
				var material = new MeshStandardMaterial( { color: 0x6083c2 } );

				var mesh = new Mesh( geometry, material );
				scene.add( mesh );

				// refractor

				var refractorGeometry = new PlaneBufferGeometry( 10, 10 );

				refractor = new Refractor( refractorGeometry, {
					color: 0x999999,
					textureWidth: 1024,
					textureHeight: 1024,
					shader: WaterRefractionShader
				} );

				refractor.position.set( 0, 0, 5 );

				scene.add( refractor );

				// load dudv map for distortion effect

				var dudvMap = new TextureLoader().load( 'textures/waterdudv.jpg', function () {

					animate();

				} );

				dudvMap.wrapS = dudvMap.wrapT = RepeatWrapping;
				refractor.material.uniforms[ "tDudv" ].value = dudvMap;

				// light

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

				var pointLight = new PointLight( 0xffffff, 0.8 );
				camera.add( pointLight );
				scene.add( camera );

				// renderer

				renderer = new WebGLRenderer( { antialias: true } );
				renderer.setSize( window.innerWidth, window.innerHeight );
				renderer.setClearColor( 0x20252f );
				renderer.setPixelRatio( window.devicePixelRatio );
				document.body.appendChild( renderer.domElement );

				//

				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() {

				refractor.material.uniforms[ "time" ].value += clock.getDelta();

				renderer.render( scene, camera );

			}

	</script>

</body>
</html>