245 lines
6.2 KiB
HTML
245 lines
6.2 KiB
HTML
|
<!DOCTYPE html>
|
||
|
|
<html lang="en">
|
||
|
|
<head>
|
||
|
|
<title>three.js webgl - postprocessing backgrounds</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> - Backgrounds: ClearPass, TexturePass and CubeTexturePass<br/>
|
||
|
|
by <a href="https://clara.io" target="_blank" rel="noopener">Ben Houston</a>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
<div id="container"></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 { EffectComposer } from './jsm/postprocessing/EffectComposer.js';
|
||
|
|
import { RenderPass } from './jsm/postprocessing/RenderPass.js';
|
||
|
|
import { TexturePass } from './jsm/postprocessing/TexturePass.js';
|
||
|
|
import { CubeTexturePass } from './jsm/postprocessing/CubeTexturePass.js';
|
||
|
|
import { ShaderPass } from './jsm/postprocessing/ShaderPass.js';
|
||
|
|
import { ClearPass } from './jsm/postprocessing/ClearPass.js';
|
||
|
|
import { CopyShader } from './jsm/shaders/CopyShader.js';
|
||
|
|
import { OrbitControls } from './jsm/controls/OrbitControls.js';
|
||
|
|
|
||
|
|
let scene, renderer, composer;
|
||
|
|
let clearPass, texturePass, renderPass;
|
||
|
|
let cameraP, cubeTexturePassP;
|
||
|
|
let gui, stats;
|
||
|
|
|
||
|
|
const params = {
|
||
|
|
|
||
|
|
clearPass: true,
|
||
|
|
clearColor: 'white',
|
||
|
|
clearAlpha: 1.0,
|
||
|
|
|
||
|
|
texturePass: true,
|
||
|
|
texturePassOpacity: 1.0,
|
||
|
|
|
||
|
|
cubeTexturePass: true,
|
||
|
|
cubeTexturePassOpacity: 1.0,
|
||
|
|
|
||
|
|
renderPass: true
|
||
|
|
};
|
||
|
|
|
||
|
|
init();
|
||
|
|
animate();
|
||
|
|
|
||
|
|
clearGui();
|
||
|
|
|
||
|
|
function clearGui() {
|
||
|
|
|
||
|
|
if ( gui ) gui.destroy();
|
||
|
|
|
||
|
|
gui = new GUI();
|
||
|
|
|
||
|
|
gui.add( params, "clearPass" );
|
||
|
|
gui.add( params, "clearColor", [ 'black', 'white', 'blue', 'green', 'red' ] );
|
||
|
|
gui.add( params, "clearAlpha", 0, 1 );
|
||
|
|
|
||
|
|
gui.add( params, "texturePass" );
|
||
|
|
gui.add( params, "texturePassOpacity", 0, 1 );
|
||
|
|
|
||
|
|
gui.add( params, "cubeTexturePass" );
|
||
|
|
gui.add( params, "cubeTexturePassOpacity", 0, 1 );
|
||
|
|
|
||
|
|
gui.add( params, "renderPass" );
|
||
|
|
|
||
|
|
gui.open();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function init() {
|
||
|
|
|
||
|
|
const container = document.getElementById( "container" );
|
||
|
|
|
||
|
|
const width = window.innerWidth || 1;
|
||
|
|
const height = window.innerHeight || 1;
|
||
|
|
const aspect = width / height;
|
||
|
|
const devicePixelRatio = window.devicePixelRatio || 1;
|
||
|
|
|
||
|
|
renderer = new THREE.WebGLRenderer();
|
||
|
|
renderer.setPixelRatio( devicePixelRatio );
|
||
|
|
renderer.setSize( width, height );
|
||
|
|
document.body.appendChild( renderer.domElement );
|
||
|
|
|
||
|
|
stats = new Stats();
|
||
|
|
container.appendChild( stats.dom );
|
||
|
|
|
||
|
|
//
|
||
|
|
|
||
|
|
cameraP = new THREE.PerspectiveCamera( 65, aspect, 1, 10 );
|
||
|
|
cameraP.position.z = 7;
|
||
|
|
|
||
|
|
scene = new THREE.Scene();
|
||
|
|
|
||
|
|
const group = new THREE.Group();
|
||
|
|
scene.add( group );
|
||
|
|
|
||
|
|
const light = new THREE.PointLight( 0xddffdd, 1.0 );
|
||
|
|
light.position.z = 70;
|
||
|
|
light.position.y = - 70;
|
||
|
|
light.position.x = - 70;
|
||
|
|
scene.add( light );
|
||
|
|
|
||
|
|
const light2 = new THREE.PointLight( 0xffdddd, 1.0 );
|
||
|
|
light2.position.z = 70;
|
||
|
|
light2.position.x = - 70;
|
||
|
|
light2.position.y = 70;
|
||
|
|
scene.add( light2 );
|
||
|
|
|
||
|
|
const light3 = new THREE.PointLight( 0xddddff, 1.0 );
|
||
|
|
light3.position.z = 70;
|
||
|
|
light3.position.x = 70;
|
||
|
|
light3.position.y = - 70;
|
||
|
|
scene.add( light3 );
|
||
|
|
|
||
|
|
const geometry = new THREE.SphereGeometry( 1, 48, 24 );
|
||
|
|
|
||
|
|
const material = new THREE.MeshStandardMaterial();
|
||
|
|
material.roughness = 0.5 * Math.random() + 0.25;
|
||
|
|
material.metalness = 0;
|
||
|
|
material.color.setHSL( Math.random(), 1.0, 0.3 );
|
||
|
|
|
||
|
|
const mesh = new THREE.Mesh( geometry, material );
|
||
|
|
group.add( mesh );
|
||
|
|
|
||
|
|
// postprocessing
|
||
|
|
|
||
|
|
const genCubeUrls = function ( prefix, postfix ) {
|
||
|
|
|
||
|
|
return [
|
||
|
|
prefix + 'px' + postfix, prefix + 'nx' + postfix,
|
||
|
|
prefix + 'py' + postfix, prefix + 'ny' + postfix,
|
||
|
|
prefix + 'pz' + postfix, prefix + 'nz' + postfix
|
||
|
|
];
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
composer = new EffectComposer( renderer );
|
||
|
|
|
||
|
|
clearPass = new ClearPass( params.clearColor, params.clearAlpha );
|
||
|
|
composer.addPass( clearPass );
|
||
|
|
|
||
|
|
texturePass = new TexturePass();
|
||
|
|
composer.addPass( texturePass );
|
||
|
|
|
||
|
|
const textureLoader = new THREE.TextureLoader();
|
||
|
|
textureLoader.load( "textures/hardwood2_diffuse.jpg", function ( map ) {
|
||
|
|
|
||
|
|
texturePass.map = map;
|
||
|
|
|
||
|
|
} );
|
||
|
|
|
||
|
|
cubeTexturePassP = null;
|
||
|
|
|
||
|
|
const ldrUrls = genCubeUrls( "textures/cube/pisa/", ".png" );
|
||
|
|
new THREE.CubeTextureLoader().load( ldrUrls, function ( ldrCubeMap ) {
|
||
|
|
|
||
|
|
cubeTexturePassP = new CubeTexturePass( cameraP, ldrCubeMap );
|
||
|
|
composer.insertPass( cubeTexturePassP, 2 );
|
||
|
|
|
||
|
|
} );
|
||
|
|
|
||
|
|
renderPass = new RenderPass( scene, cameraP );
|
||
|
|
renderPass.clear = false;
|
||
|
|
composer.addPass( renderPass );
|
||
|
|
|
||
|
|
const copyPass = new ShaderPass( CopyShader );
|
||
|
|
composer.addPass( copyPass );
|
||
|
|
|
||
|
|
const controls = new OrbitControls( cameraP, renderer.domElement );
|
||
|
|
controls.enableZoom = false;
|
||
|
|
|
||
|
|
window.addEventListener( 'resize', onWindowResize );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function onWindowResize() {
|
||
|
|
|
||
|
|
const width = window.innerWidth;
|
||
|
|
const height = window.innerHeight;
|
||
|
|
const aspect = width / height;
|
||
|
|
|
||
|
|
cameraP.aspect = aspect;
|
||
|
|
cameraP.updateProjectionMatrix();
|
||
|
|
|
||
|
|
renderer.setSize( width, height );
|
||
|
|
composer.setSize( width, height );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function animate() {
|
||
|
|
|
||
|
|
requestAnimationFrame( animate );
|
||
|
|
|
||
|
|
stats.begin();
|
||
|
|
|
||
|
|
cameraP.updateMatrixWorld( true );
|
||
|
|
|
||
|
|
let newColor = clearPass.clearColor;
|
||
|
|
|
||
|
|
switch ( params.clearColor ) {
|
||
|
|
|
||
|
|
case 'blue': newColor = 0x0000ff; break;
|
||
|
|
case 'red': newColor = 0xff0000; break;
|
||
|
|
case 'green': newColor = 0x00ff00; break;
|
||
|
|
case 'white': newColor = 0xffffff; break;
|
||
|
|
case 'black': newColor = 0x000000; break;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
clearPass.enabled = params.clearPass;
|
||
|
|
clearPass.clearColor = newColor;
|
||
|
|
clearPass.clearAlpha = params.clearAlpha;
|
||
|
|
|
||
|
|
texturePass.enabled = params.texturePass;
|
||
|
|
texturePass.opacity = params.texturePassOpacity;
|
||
|
|
|
||
|
|
if ( cubeTexturePassP !== null ) {
|
||
|
|
|
||
|
|
cubeTexturePassP.enabled = params.cubeTexturePass;
|
||
|
|
cubeTexturePassP.opacity = params.cubeTexturePassOpacity;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
renderPass.enabled = params.renderPass;
|
||
|
|
|
||
|
|
composer.render();
|
||
|
|
|
||
|
|
stats.end();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
</script>
|
||
|
|
</body>
|
||
|
|
</html>
|