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webgl_shaders_ocean.html
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webgl_shaders_ocean.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - shaders - ocean</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">three.js</a> - webgl ocean
</div>
<script type="module">
import * as THREE from '../build/three.module.js';
import Stats from './jsm/libs/stats.module.js';
import { GUI } from './jsm/libs/dat.gui.module.js';
import { OrbitControls } from './jsm/controls/OrbitControls.js';
import { Water } from './jsm/objects/Water.js';
import { Sky } from './jsm/objects/Sky.js';
var container, stats;
var camera, scene, renderer;
var controls, water, sun, mesh;
init();
animate();
function init() {
container = document.getElementById( 'container' );
//
renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement );
//
scene = new THREE.Scene();
camera = new THREE.PerspectiveCamera( 55, window.innerWidth / window.innerHeight, 1, 20000 );
camera.position.set( 30, 30, 100 );
//
sun = new THREE.Vector3();
// Water
var waterGeometry = new THREE.PlaneBufferGeometry( 10000, 10000 );
water = new Water(
waterGeometry,
{
textureWidth: 512,
textureHeight: 512,
waterNormals: new THREE.TextureLoader().load( 'textures/waternormals.jpg', function ( texture ) {
texture.wrapS = texture.wrapT = THREE.RepeatWrapping;
} ),
alpha: 1.0,
sunDirection: new THREE.Vector3(),
sunColor: 0xffffff,
waterColor: 0x001e0f,
distortionScale: 3.7,
fog: scene.fog !== undefined
}
);
water.rotation.x = - Math.PI / 2;
scene.add( water );
// Skybox
var sky = new Sky();
sky.scale.setScalar( 10000 );
scene.add( sky );
var uniforms = sky.material.uniforms;
uniforms[ 'turbidity' ].value = 10;
uniforms[ 'rayleigh' ].value = 2;
uniforms[ 'mieCoefficient' ].value = 0.005;
uniforms[ 'mieDirectionalG' ].value = 0.8;
var parameters = {
inclination: 0.49,
azimuth: 0.205
};
var pmremGenerator = new THREE.PMREMGenerator( renderer );
function updateSun() {
var theta = Math.PI * ( parameters.inclination - 0.5 );
var phi = 2 * Math.PI * ( parameters.azimuth - 0.5 );
sun.x = Math.cos( phi );
sun.y = Math.sin( phi ) * Math.sin( theta );
sun.z = Math.sin( phi ) * Math.cos( theta );
sky.material.uniforms[ 'sunPosition' ].value.copy( sun );
water.material.uniforms[ 'sunDirection' ].value.copy( sun ).normalize();
scene.environment = pmremGenerator.fromScene( sky ).texture;
}
updateSun();
//
var geometry = new THREE.BoxBufferGeometry( 30, 30, 30 );
var material = new THREE.MeshStandardMaterial( { roughness: 0 } );
mesh = new THREE.Mesh( geometry, material );
scene.add( mesh );
//
controls = new OrbitControls( camera, renderer.domElement );
controls.maxPolarAngle = Math.PI * 0.495;
controls.target.set( 0, 10, 0 );
controls.minDistance = 40.0;
controls.maxDistance = 200.0;
controls.update();
//
stats = new Stats();
container.appendChild( stats.dom );
// GUI
var gui = new GUI();
var folder = gui.addFolder( 'Sky' );
folder.add( parameters, 'inclination', 0, 0.5, 0.0001 ).onChange( updateSun );
folder.add( parameters, 'azimuth', 0, 1, 0.0001 ).onChange( updateSun );
folder.open();
var uniforms = water.material.uniforms;
var folder = gui.addFolder( 'Water' );
folder.add( uniforms.distortionScale, 'value', 0, 8, 0.1 ).name( 'distortionScale' );
folder.add( uniforms.size, 'value', 0.1, 10, 0.1 ).name( 'size' );
folder.add( uniforms.alpha, 'value', 0.9, 1, .001 ).name( 'alpha' );
folder.open();
//
window.addEventListener( 'resize', onWindowResize, false );
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
function animate() {
requestAnimationFrame( animate );
render();
stats.update();
}
function render() {
var time = performance.now() * 0.001;
mesh.position.y = Math.sin( time ) * 20 + 5;
mesh.rotation.x = time * 0.5;
mesh.rotation.z = time * 0.51;
water.material.uniforms[ 'time' ].value += 1.0 / 60.0;
renderer.render( scene, camera );
}
</script>
</body>
</html>