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 webgl - postprocessing - unreal bloom</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="http://threejs.org" target="_blank" rel="noopener">three.js</a> - Bloom pass by <a href="http://eduperiment.com" target="_blank" rel="noopener">Prashant Sharma</a> and <a href="https://clara.io" target="_blank" rel="noopener">Ben Houston</a>
			<p>
				This Bloom Pass is inspired by the bloom pass of the Unreal Engine. It creates a mip map chain of bloom textures and blur them
				with different radii.<br /> Because of the weigted combination of mips, and since larger blurs are done on higher mips, this bloom
				is better in quality and performance.
			</p>
			Model: <a href="https://blog.sketchfab.com/art-spotlight-primary-ion-drive/" target="_blank" rel="noopener">Primary Ion Drive</a> by
			<a href="http://mjmurdock.com/" target="_blank" rel="noopener">Mike Murdock</a>, CC Attribution.
		</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 { GLTFLoader } from './jsm/loaders/GLTFLoader.js';
			import { EffectComposer } from './jsm/postprocessing/EffectComposer.js';
			import { RenderPass } from './jsm/postprocessing/RenderPass.js';
			import { UnrealBloomPass } from './jsm/postprocessing/UnrealBloomPass.js';

			var scene, camera, controls, pointLight, stats;
			var composer, renderer, mixer;

			var params = {
				exposure: 1,
				bloomStrength: 1.5,
				bloomThreshold: 0,
				bloomRadius: 0
			};

			var clock = new THREE.Clock();
			var container = document.getElementById( 'container' );

			stats = new Stats();
			container.appendChild( stats.dom );

			renderer = new THREE.WebGLRenderer( { antialias: true } );
			renderer.setPixelRatio( window.devicePixelRatio );
			renderer.setSize( window.innerWidth, window.innerHeight );
			renderer.toneMapping = THREE.ReinhardToneMapping;
			container.appendChild( renderer.domElement );

			scene = new THREE.Scene();

			camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 100 );
			camera.position.set( - 5, 2.5, - 3.5 );
			scene.add( camera );

			controls = new OrbitControls( camera, renderer.domElement );
			controls.maxPolarAngle = Math.PI * 0.5;
			controls.minDistance = 1;
			controls.maxDistance = 10;

			scene.add( new THREE.AmbientLight( 0x404040 ) );

			pointLight = new THREE.PointLight( 0xffffff, 1 );
			camera.add( pointLight );

			var renderScene = new RenderPass( scene, camera );

			var bloomPass = new UnrealBloomPass( new THREE.Vector2( window.innerWidth, window.innerHeight ), 1.5, 0.4, 0.85 );
			bloomPass.threshold = params.bloomThreshold;
			bloomPass.strength = params.bloomStrength;
			bloomPass.radius = params.bloomRadius;

			composer = new EffectComposer( renderer );
			composer.addPass( renderScene );
			composer.addPass( bloomPass );

			new GLTFLoader().load( 'models/gltf/PrimaryIonDrive.glb', function ( gltf ) {

				var model = gltf.scene;

				scene.add( model );

				// Mesh contains self-intersecting semi-transparent faces, which display
				// z-fighting unless depthWrite is disabled.
				var core = model.getObjectByName( 'geo1_HoloFillDark_0' );
				core.material.depthWrite = false;

				mixer = new THREE.AnimationMixer( model );
				var clip = gltf.animations[ 0 ];
				mixer.clipAction( clip.optimize() ).play();

				animate();

			} );

			var gui = new GUI();

			gui.add( params, 'exposure', 0.1, 2 ).onChange( function ( value ) {

				renderer.toneMappingExposure = Math.pow( value, 4.0 );

			} );

			gui.add( params, 'bloomThreshold', 0.0, 1.0 ).onChange( function ( value ) {

				bloomPass.threshold = Number( value );

			} );

			gui.add( params, 'bloomStrength', 0.0, 3.0 ).onChange( function ( value ) {

				bloomPass.strength = Number( value );

			} );

			gui.add( params, 'bloomRadius', 0.0, 1.0 ).step( 0.01 ).onChange( function ( value ) {

				bloomPass.radius = Number( value );

			} );

			window.onresize = function () {

				var width = window.innerWidth;
				var height = window.innerHeight;

				camera.aspect = width / height;
				camera.updateProjectionMatrix();

				renderer.setSize( width, height );
				composer.setSize( width, height );

			};


			function animate() {

				requestAnimationFrame( animate );

				const delta = clock.getDelta();

				mixer.update( delta );

				stats.update();

				composer.render();

			}

		</script>

	</body>

</html>