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Examples: Update unreal bloom example. #14629

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merged 8 commits into from
Aug 4, 2018
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Examples: Update unreal bloom example. #14629

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08dd272
Examples: Update keyframes example.
donmccurdy Aug 3, 2018
a49b7b1
Examples: Remove pump.json model.
donmccurdy Aug 3, 2018
995ba9b
Examples: Back to 'var'.
donmccurdy Aug 3, 2018
d5800a4
Examples: Don't autorotate keyframes example.
donmccurdy Aug 3, 2018
afe8906
Example: reinhard tone mapping
donmccurdy Aug 3, 2018
4b0b147
Examples: Use 'PrimaryIonDrive.glb' for bloom example.
donmccurdy Aug 4, 2018
c288453
Examples: Restore '_keyframes_json' example.
donmccurdy Aug 4, 2018
a0c016e
Examples: Clean up.
donmccurdy Aug 4, 2018
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Binary file added examples/models/gltf/PrimaryIonDrive.glb
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286 changes: 100 additions & 186 deletions examples/webgl_postprocessing_unreal_bloom.html
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Original file line number Diff line number Diff line change
@@ -1,223 +1,166 @@
<!DOCTYPE html>
<html lang="en">
<head>
<title>threejs webgl - materials - hdr environment mapping</title>
<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">
<style>
body {
background-color: #000000;
margin: 0px;
overflow: hidden;
color: #fff;
font-family:Monospace;
font-size:13px;
text-align:center;
font-weight: bold;
}
a {
color:#00ff78;
background-color: #fff;
margin: 0px;
overflow: hidden;
}

#info {
color: #fff;
position: absolute;
top: 10px;
top: 0px;
width: 100%;
text-align: center;
display:block;
padding: 5px;
}
.dg.ac {
z-index: 1 !important; /* FIX DAT.GUI */
#info p {
max-width: 600px;
margin-left: auto;
margin-right: auto;
padding: 0 2em;
}
a {
color: #2983ff;
}
</style>
</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. 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://sketchfab.com/models/d3f50a66fee74c6588dd9bc92f7fe7b3" target="_blank" rel="noopener">Primary Ion Drive</a> by
<a href="https://sketchfab.com/indierocktopus" target="_blank" rel="noopener">indierocktopus</a>, CC Attribution.<br/>
Details in <a href="https://blog.sketchfab.com/art-spotlight-primary-ion-drive/" target="_blank" rel="noopener">Art Spotlight</a> blog post.
</div>

<script src="../build/three.js"></script>
<script src="js/controls/OrbitControls.js"></script>
<script src="js/loaders/RGBELoader.js"></script>
<script src="js/loaders/HDRCubeTextureLoader.js"></script>

<script src="js/Detector.js"></script>
<script src="js/libs/stats.min.js"></script>

<script src="js/pmrem/PMREMGenerator.js"></script>
<script src="js/pmrem/PMREMCubeUVPacker.js"></script>
<script src="js/libs/dat.gui.min.js"></script>
<script src="js/controls/OrbitControls.js"></script>
<script src="js/loaders/GLTFLoader.js"></script>

<script src="js/postprocessing/EffectComposer.js"></script>
<script src="js/postprocessing/RenderPass.js"></script>
<script src="js/postprocessing/MaskPass.js"></script>
<script src="js/postprocessing/ShaderPass.js"></script>
<script src="js/shaders/CopyShader.js"></script>
<script src="js/shaders/FXAAShader.js"></script>
<script src="js/shaders/ConvolutionShader.js"></script>
<script src="js/shaders/LuminosityHighPassShader.js"></script>
<script src="js/postprocessing/UnrealBloomPass.js"></script>

<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><br/><br/>
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 <br>
with different radii. Because of the weigted combination of mips, and since larger blurs are done on higher mips this bloom <br>
is better in quality and performance.<br>
</div>

<script>

if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
var scene, camera, controls, pointLight, stats;
var composer, renderer, mixer;

var container, stats;
var params = {
projection: 'normal',
background: false,
exposure: 0.9,
exposure: 1,
bloomStrength: 1.5,
bloomThreshold: 0.85,
bloomRadius: 0.4
bloomThreshold: 0,
bloomRadius: 0
};
var camera, scene, renderer, controls, objects = [];
var effectFXAA, bloomPass, renderScene;
var hdrCubeMap;
var composer;
var standardMaterial;
var hdrCubeRenderTarget;

init();
animate();

function init() {

container = document.createElement( 'div' );
document.body.appendChild( container );

camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 2000 );
camera.position.set( 0.0, 35, 35 * 3.5 );

scene = new THREE.Scene();
scene.background = new THREE.Color( 0x111111 );

renderer = new THREE.WebGLRenderer();
renderer.toneMapping = THREE.LinearToneMapping;

standardMaterial = new THREE.MeshStandardMaterial( {
map: null,
color: 0xffffff,
metalness: 1.0
} );
var clock = new THREE.Clock();
var container = document.getElementById( 'container' );

var geometry = new THREE.TorusKnotBufferGeometry( 18, 8, 150, 20 );
var torusMesh1 = new THREE.Mesh( geometry, standardMaterial );
torusMesh1.position.x = 0.0;
torusMesh1.castShadow = true;
torusMesh1.receiveShadow = true;
scene.add( torusMesh1 );
objects.push( torusMesh1 );
stats = new Stats();
container.appendChild( stats.dom );

var textureLoader = new THREE.TextureLoader();
textureLoader.load( './textures/roughness_map.jpg', function ( map ) {
renderer = new THREE.WebGLRenderer( { antialias: true } );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.toneMapping = THREE.ReinhardToneMapping;
container.appendChild( renderer.domElement );

map.wrapS = THREE.RepeatWrapping;
map.wrapT = THREE.RepeatWrapping;
map.anisotropy = 4;
map.repeat.set( 9, 2 );
standardMaterial.roughnessMap = map;
standardMaterial.bumpMap = map;
standardMaterial.needsUpdate = true;
scene = new THREE.Scene();

} );
camera = new THREE.PerspectiveCamera( 40, window.innerWidth / window.innerHeight, 1, 100 );
camera.position.set( - 5, 2.5, -3.5 );
camera.lookAt( new THREE.Vector3( 0, 0, 0 ) );

var genCubeUrls = function ( prefix, postfix ) {
controls = new THREE.OrbitControls( camera, renderer.domElement );
controls.maxPolarAngle = Math.PI * 0.5;
controls.minDistance = 0.1;
controls.maxDistance = 20;

return [
prefix + 'px' + postfix, prefix + 'nx' + postfix,
prefix + 'py' + postfix, prefix + 'ny' + postfix,
prefix + 'pz' + postfix, prefix + 'nz' + postfix
];
scene.add( new THREE.AmbientLight( 0x404040 ) );

};
pointLight = new THREE.PointLight( 0xffffff, 1 );
pointLight.position.copy( camera.position );
scene.add( pointLight );

var hdrUrls = genCubeUrls( './textures/cube/pisaHDR/', '.hdr' );
new THREE.HDRCubeTextureLoader().load( THREE.UnsignedByteType, hdrUrls, function ( hdrCubeMap ) {
var renderScene = new THREE.RenderPass( scene, camera );

var pmremGenerator = new THREE.PMREMGenerator( hdrCubeMap );
pmremGenerator.update( renderer );
var bloomPass = new THREE.UnrealBloomPass( new THREE.Vector2( window.innerWidth, window.innerHeight ), 1.5, 0.4, 0.85 ); //1.0, 9, 0.5, 512);
bloomPass.renderToScreen = true;
bloomPass.threshold = params.bloomThreshold;
bloomPass.strength = params.bloomStrength;
bloomPass.radius = params.bloomRadius;

var pmremCubeUVPacker = new THREE.PMREMCubeUVPacker( pmremGenerator.cubeLods );
pmremCubeUVPacker.update( renderer );
composer = new THREE.EffectComposer( renderer );
composer.setSize( window.innerWidth, window.innerHeight );
composer.addPass( renderScene );
composer.addPass( bloomPass );

hdrCubeRenderTarget = pmremCubeUVPacker.CubeUVRenderTarget;
new THREE.GLTFLoader().load( 'models/gltf/PrimaryIonDrive.glb', function ( gltf ) {

} );
var model = gltf.scene;

// Lights
scene.add( model );

scene.add( new THREE.AmbientLight( 0xffffff, 0.1 ) );
// 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;

var spotLight = new THREE.SpotLight( 0xffffff, 1 );
spotLight.position.set( 50, 100, 50 );
spotLight.angle = Math.PI / 7;
spotLight.penumbra = 0.8;
spotLight.castShadow = true;
scene.add( spotLight );
mixer = new THREE.AnimationMixer( model );
var clip = gltf.animations[ 0 ];
mixer.clipAction( clip.optimize() ).play();

renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.shadowMap.enabled = true;
container.appendChild( renderer.domElement );
animate();

renderScene = new THREE.RenderPass( scene, camera );
} );

effectFXAA = new THREE.ShaderPass( THREE.FXAAShader );
effectFXAA.uniforms[ 'resolution' ].value.set( 1 / window.innerWidth, 1 / window.innerHeight );
var gui = new dat.GUI();

bloomPass = new THREE.UnrealBloomPass( new THREE.Vector2( window.innerWidth, window.innerHeight ), 1.5, 0.4, 0.85 ); //1.0, 9, 0.5, 512);
bloomPass.renderToScreen = true;
gui.add( params, 'exposure', 0.1, 2 );

composer = new THREE.EffectComposer( renderer );
composer.setSize( window.innerWidth, window.innerHeight );
composer.addPass( renderScene );
composer.addPass( effectFXAA );
composer.addPass( bloomPass );
gui.add( params, 'bloomThreshold', 0.0, 1.0 ).onChange( function ( value ) {

renderer.gammaInput = true;
renderer.gammaOutput = true;
bloomPass.threshold = Number( value );

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

controls = new THREE.OrbitControls( camera, renderer.domElement );
controls.minDistance = 50;
controls.maxDistance = 200;
gui.add( params, 'bloomStrength', 0.0, 3.0 ).onChange( function ( value ) {

window.addEventListener( 'resize', onWindowResize, false );
bloomPass.strength = Number( value );

var gui = new dat.GUI();
} );

gui.add( params, 'exposure', 0.1, 2 );
gui.add( params, 'bloomRadius', 0.0, 1.0 ).step( 0.01 ).onChange( function ( value ) {

gui.add( params, 'bloomThreshold', 0.0, 1.0 ).onChange( function ( value ) {
bloomPass.radius = Number( 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 ).onChange( function ( value ) {

bloomPass.radius = Number( value );

} );

gui.open();

}

function onWindowResize() {
window.onresize = function () {

var width = window.innerWidth;
var height = window.innerHeight;
Expand All @@ -227,61 +170,32 @@

renderer.setSize( width, height );
composer.setSize( width, height );
effectFXAA.uniforms[ 'resolution' ].value.set( 1 / window.innerWidth, 1 / window.innerHeight );

}
};

//

function animate() {

requestAnimationFrame( animate );

stats.begin();
render();
stats.end();

}
const delta = clock.getDelta();

function render() {
mixer.update( delta );
controls.update( delta );

if ( standardMaterial !== undefined ) {
pointLight.position.copy( camera.position );

standardMaterial.roughness = 1.0;
standardMaterial.bumpScale = 0.25;

var newEnvMap = standardMaterial.envMap;

if ( hdrCubeRenderTarget ) newEnvMap = hdrCubeRenderTarget.texture;

if ( newEnvMap !== standardMaterial.envMap ) {

standardMaterial.envMap = newEnvMap;
standardMaterial.envMapIntensity = 1;
standardMaterial.needsUpdate = true;

}

}
stats.update();

renderer.toneMappingExposure = Math.pow( params.exposure, 4.0 );

var timer = Date.now() * 0.00025;

camera.lookAt( scene.position );

for ( var i = 0, l = objects.length; i < l; i ++ ) {

var object = objects[ i ];
object.rotation.y += 0.005;

}

composer.render();

}


</script>

</body>

</html>