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260 lines
6.1 KiB
260 lines
6.1 KiB
3 years ago
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>three.js webgl - postprocessing - depth-of-field</title>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
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<link type="text/css" rel="stylesheet" href="main.css">
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</head>
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<body>
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<div id="info">
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<a href="https://threejs.org" target="_blank" rel="noopener">three.js</a> - webgl depth-of-field with bokeh example<br/>
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shader by <a href="http://artmartinsh.blogspot.com/2010/02/glsl-lens-blur-filter-with-bokeh.html">Martins Upitis</a>
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</div>
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<!-- Import maps polyfill -->
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<!-- Remove this when import maps will be widely supported -->
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<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
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<script type="importmap">
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{
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"imports": {
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"three": "../build/three.module.js",
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"three/addons/": "./jsm/"
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}
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}
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</script>
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<script type="module">
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import * as THREE from 'three';
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import Stats from 'three/addons/libs/stats.module.js';
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import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
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import { EffectComposer } from 'three/addons/postprocessing/EffectComposer.js';
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import { RenderPass } from 'three/addons/postprocessing/RenderPass.js';
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import { BokehPass } from 'three/addons/postprocessing/BokehPass.js';
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let camera, scene, renderer, stats,
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singleMaterial, zmaterial,
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parameters, nobjects, cubeMaterial;
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let mouseX = 0, mouseY = 0;
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let windowHalfX = window.innerWidth / 2;
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let windowHalfY = window.innerHeight / 2;
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let width = window.innerWidth;
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let height = window.innerHeight;
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const materials = [], objects = [];
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const postprocessing = {};
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init();
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animate();
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function init() {
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const container = document.createElement( 'div' );
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document.body.appendChild( container );
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camera = new THREE.PerspectiveCamera( 70, width / height, 1, 3000 );
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camera.position.z = 200;
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scene = new THREE.Scene();
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renderer = new THREE.WebGLRenderer();
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renderer.setPixelRatio( window.devicePixelRatio );
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renderer.setSize( width, height );
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container.appendChild( renderer.domElement );
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const path = 'textures/cube/SwedishRoyalCastle/';
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const format = '.jpg';
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const urls = [
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path + 'px' + format, path + 'nx' + format,
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path + 'py' + format, path + 'ny' + format,
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path + 'pz' + format, path + 'nz' + format
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];
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const textureCube = new THREE.CubeTextureLoader().load( urls );
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parameters = { color: 0xff1100, envMap: textureCube };
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cubeMaterial = new THREE.MeshBasicMaterial( parameters );
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singleMaterial = false;
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if ( singleMaterial ) zmaterial = [ cubeMaterial ];
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const geo = new THREE.SphereGeometry( 1, 20, 10 );
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const xgrid = 14, ygrid = 9, zgrid = 14;
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nobjects = xgrid * ygrid * zgrid;
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const s = 60;
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let count = 0;
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for ( let i = 0; i < xgrid; i ++ ) {
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for ( let j = 0; j < ygrid; j ++ ) {
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for ( let k = 0; k < zgrid; k ++ ) {
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let mesh;
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if ( singleMaterial ) {
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mesh = new THREE.Mesh( geo, zmaterial );
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} else {
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mesh = new THREE.Mesh( geo, new THREE.MeshBasicMaterial( parameters ) );
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materials[ count ] = mesh.material;
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}
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const x = 200 * ( i - xgrid / 2 );
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const y = 200 * ( j - ygrid / 2 );
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const z = 200 * ( k - zgrid / 2 );
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mesh.position.set( x, y, z );
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mesh.scale.set( s, s, s );
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mesh.matrixAutoUpdate = false;
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mesh.updateMatrix();
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scene.add( mesh );
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objects.push( mesh );
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count ++;
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}
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}
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}
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initPostprocessing();
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renderer.autoClear = false;
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stats = new Stats();
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container.appendChild( stats.dom );
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container.style.touchAction = 'none';
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container.addEventListener( 'pointermove', onPointerMove );
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window.addEventListener( 'resize', onWindowResize );
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const effectController = {
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focus: 500.0,
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aperture: 5,
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maxblur: 0.01
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};
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const matChanger = function ( ) {
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postprocessing.bokeh.uniforms[ 'focus' ].value = effectController.focus;
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postprocessing.bokeh.uniforms[ 'aperture' ].value = effectController.aperture * 0.00001;
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postprocessing.bokeh.uniforms[ 'maxblur' ].value = effectController.maxblur;
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};
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const gui = new GUI();
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gui.add( effectController, 'focus', 10.0, 3000.0, 10 ).onChange( matChanger );
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gui.add( effectController, 'aperture', 0, 10, 0.1 ).onChange( matChanger );
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gui.add( effectController, 'maxblur', 0.0, 0.01, 0.001 ).onChange( matChanger );
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gui.close();
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matChanger();
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}
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function onPointerMove( event ) {
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if ( event.isPrimary === false ) return;
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mouseX = event.clientX - windowHalfX;
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mouseY = event.clientY - windowHalfY;
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}
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function onWindowResize() {
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windowHalfX = window.innerWidth / 2;
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windowHalfY = window.innerHeight / 2;
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width = window.innerWidth;
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height = window.innerHeight;
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camera.aspect = width / height;
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camera.updateProjectionMatrix();
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renderer.setSize( width, height );
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postprocessing.composer.setSize( width, height );
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}
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function initPostprocessing() {
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const renderPass = new RenderPass( scene, camera );
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const bokehPass = new BokehPass( scene, camera, {
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focus: 1.0,
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aperture: 0.025,
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maxblur: 0.01
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} );
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const composer = new EffectComposer( renderer );
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composer.addPass( renderPass );
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composer.addPass( bokehPass );
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postprocessing.composer = composer;
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postprocessing.bokeh = bokehPass;
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}
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function animate() {
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requestAnimationFrame( animate, renderer.domElement );
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stats.begin();
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render();
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stats.end();
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}
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function render() {
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const time = Date.now() * 0.00005;
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camera.position.x += ( mouseX - camera.position.x ) * 0.036;
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camera.position.y += ( - ( mouseY ) - camera.position.y ) * 0.036;
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camera.lookAt( scene.position );
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if ( ! singleMaterial ) {
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for ( let i = 0; i < nobjects; i ++ ) {
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const h = ( 360 * ( i / nobjects + time ) % 360 ) / 360;
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materials[ i ].color.setHSL( h, 1, 0.5 );
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}
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}
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postprocessing.composer.render( 0.1 );
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}
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</script>
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</body>
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</html>
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