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webgl_postprocessing_dof.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>three.js webgl - postprocessing - depth-of-field</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="info">
<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - webgl depth-of-field with bokeh example<br/>
shader by <a href="http://artmartinsh.blogspot.com/2010/02/glsl-lens-blur-filter-with-bokeh.html">Martins Upitis</a>
</div>
<!-- Import maps polyfill -->
<!-- Remove this when import maps will be widely supported -->
<script async src="https://unpkg.com/[email protected]/dist/es-module-shims.js"></script>
<script type="importmap">
{
"imports": {
"three": "../build/three.module.js",
"three/addons/": "./jsm/"
}
}
</script>
<script type="module">
import * as THREE from 'three';
import Stats from 'three/addons/libs/stats.module.js';
import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
import { EffectComposer } from 'three/addons/postprocessing/EffectComposer.js';
import { RenderPass } from 'three/addons/postprocessing/RenderPass.js';
import { BokehPass } from 'three/addons/postprocessing/BokehPass.js';
let camera, scene, renderer, stats,
singleMaterial, zmaterial,
parameters, nobjects, cubeMaterial;
let mouseX = 0, mouseY = 0;
let windowHalfX = window.innerWidth / 2;
let windowHalfY = window.innerHeight / 2;
let width = window.innerWidth;
let height = window.innerHeight;
const materials = [], objects = [];
const postprocessing = {};
init();
animate();
function init() {
const container = document.createElement( 'div' );
document.body.appendChild( container );
camera = new THREE.PerspectiveCamera( 70, width / height, 1, 3000 );
camera.position.z = 200;
scene = new THREE.Scene();
renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( width, height );
container.appendChild( renderer.domElement );
const path = 'textures/cube/SwedishRoyalCastle/';
const format = '.jpg';
const urls = [
path + 'px' + format, path + 'nx' + format,
path + 'py' + format, path + 'ny' + format,
path + 'pz' + format, path + 'nz' + format
];
const textureCube = new THREE.CubeTextureLoader().load( urls );
parameters = { color: 0xff1100, envMap: textureCube };
cubeMaterial = new THREE.MeshBasicMaterial( parameters );
singleMaterial = false;
if ( singleMaterial ) zmaterial = [ cubeMaterial ];
const geo = new THREE.SphereGeometry( 1, 20, 10 );
const xgrid = 14, ygrid = 9, zgrid = 14;
nobjects = xgrid * ygrid * zgrid;
const s = 60;
let count = 0;
for ( let i = 0; i < xgrid; i ++ ) {
for ( let j = 0; j < ygrid; j ++ ) {
for ( let k = 0; k < zgrid; k ++ ) {
let mesh;
if ( singleMaterial ) {
mesh = new THREE.Mesh( geo, zmaterial );
} else {
mesh = new THREE.Mesh( geo, new THREE.MeshBasicMaterial( parameters ) );
materials[ count ] = mesh.material;
}
const x = 200 * ( i - xgrid / 2 );
const y = 200 * ( j - ygrid / 2 );
const z = 200 * ( k - zgrid / 2 );
mesh.position.set( x, y, z );
mesh.scale.set( s, s, s );
mesh.matrixAutoUpdate = false;
mesh.updateMatrix();
scene.add( mesh );
objects.push( mesh );
count ++;
}
}
}
initPostprocessing();
renderer.autoClear = false;
stats = new Stats();
container.appendChild( stats.dom );
container.style.touchAction = 'none';
container.addEventListener( 'pointermove', onPointerMove );
window.addEventListener( 'resize', onWindowResize );
const effectController = {
focus: 500.0,
aperture: 5,
maxblur: 0.01
};
const matChanger = function ( ) {
postprocessing.bokeh.uniforms[ 'focus' ].value = effectController.focus;
postprocessing.bokeh.uniforms[ 'aperture' ].value = effectController.aperture * 0.00001;
postprocessing.bokeh.uniforms[ 'maxblur' ].value = effectController.maxblur;
};
const gui = new GUI();
gui.add( effectController, 'focus', 10.0, 3000.0, 10 ).onChange( matChanger );
gui.add( effectController, 'aperture', 0, 10, 0.1 ).onChange( matChanger );
gui.add( effectController, 'maxblur', 0.0, 0.01, 0.001 ).onChange( matChanger );
gui.close();
matChanger();
}
function onPointerMove( event ) {
if ( event.isPrimary === false ) return;
mouseX = event.clientX - windowHalfX;
mouseY = event.clientY - windowHalfY;
}
function onWindowResize() {
windowHalfX = window.innerWidth / 2;
windowHalfY = window.innerHeight / 2;
width = window.innerWidth;
height = window.innerHeight;
camera.aspect = width / height;
camera.updateProjectionMatrix();
renderer.setSize( width, height );
postprocessing.composer.setSize( width, height );
}
function initPostprocessing() {
const renderPass = new RenderPass( scene, camera );
const bokehPass = new BokehPass( scene, camera, {
focus: 1.0,
aperture: 0.025,
maxblur: 0.01
} );
const composer = new EffectComposer( renderer );
composer.addPass( renderPass );
composer.addPass( bokehPass );
postprocessing.composer = composer;
postprocessing.bokeh = bokehPass;
}
function animate() {
requestAnimationFrame( animate, renderer.domElement );
stats.begin();
render();
stats.end();
}
function render() {
const time = Date.now() * 0.00005;
camera.position.x += ( mouseX - camera.position.x ) * 0.036;
camera.position.y += ( - ( mouseY ) - camera.position.y ) * 0.036;
camera.lookAt( scene.position );
if ( ! singleMaterial ) {
for ( let i = 0; i < nobjects; i ++ ) {
const h = ( 360 * ( i / nobjects + time ) % 360 ) / 360;
materials[ i ].color.setHSL( h, 1, 0.5 );
}
}
postprocessing.composer.render( 0.1 );
}
</script>
</body>
</html>