mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-12-28 13:53:49 +01:00
482 lines
16 KiB
HTML
Executable File
482 lines
16 KiB
HTML
Executable File
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<title>three.js webgl - adaptive tone-mapping</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:#000;
|
|
color:#fff;
|
|
padding:0;
|
|
margin:0;
|
|
overflow:hidden;
|
|
font-family:georgia;
|
|
text-align:center;
|
|
}
|
|
h1 { }
|
|
a { color:skyblue; text-decoration:none }
|
|
canvas { pointer-events:none; z-index:0; position:relative; }
|
|
.label { background-color: black; position: absolute; z-index: 100; padding: 5px }
|
|
|
|
</style>
|
|
</head>
|
|
|
|
<body>
|
|
<div id="d">
|
|
<div id="info">
|
|
<a href="http://threejs.org" target="_blank">three.js</a> webgl demo :
|
|
Earth diffuse and city lights by <a href="http://seanward.org" target="_blank">Sean Ward</a> :
|
|
|
|
</div>
|
|
<div class="label" style="position: absolute;left: 12%;bottom: 10%;">Low Dynamic Range</div>
|
|
<div class="label" style="position: absolute;left: 12%;bottom: 5%;">Static Tone Mapping</div>
|
|
<div class="label" style="position: absolute;left: 45%;bottom: 10%;">High Dynamic Range</div>
|
|
<div class="label" style="position: absolute;left: 45%;bottom: 5%;">Static Tone Mapping</div>
|
|
<div class="label" style="position: absolute;left: 80%;bottom: 10%;">High Dynamic Range</div>
|
|
<div class="label" style="position: absolute;left: 80%;bottom: 5%;">Adaptive Tone Mapping</div>
|
|
</div>
|
|
|
|
<script src="../build/three.js"></script>
|
|
|
|
<script src="js/Detector.js"></script>
|
|
<script src="js/libs/dat.gui.min.js"></script>
|
|
|
|
<script src="js/shaders/CopyShader.js"></script>
|
|
<script src="js/shaders/LuminosityShader.js"></script>
|
|
<script src="js/shaders/ConvolutionShader.js"></script>
|
|
<script src="js/shaders/ToneMapShader.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/postprocessing/BloomPass.js"></script>
|
|
<script src="js/postprocessing/AdaptiveToneMappingPass.js"></script>
|
|
<script src="js/controls/OrbitControls.js"></script>
|
|
|
|
<script>
|
|
|
|
if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
|
|
|
|
var container;
|
|
|
|
var bloomPass, adaptToneMappingPass;
|
|
var params;
|
|
|
|
var camera, scene, renderer, dynamicHdrEffectComposer, hdrEffectComposer, ldrEffectComposer;
|
|
var cameraCube, sceneCube;
|
|
var cameraBG, debugScene;
|
|
var adaptiveLuminanceMat, currentLuminanceRT, previousLuminanceMat;
|
|
|
|
var directionalLight;
|
|
|
|
var orbitControls;
|
|
|
|
var windowHalfX = window.innerWidth / 2;
|
|
var windowHalfY = window.innerHeight / 2;
|
|
|
|
var windowThirdX = window.innerWidth / 3;
|
|
var windowThirdY = window.innerHeight / 3;
|
|
|
|
init();
|
|
animate();
|
|
|
|
function init() {
|
|
|
|
params = {
|
|
"Average Luminosity": 0.7,
|
|
middleGrey: 0.04,
|
|
maxLuminance: 16,
|
|
bloomAmount: 1.0,
|
|
adaptionRate: 2.0,
|
|
sunLight: 4.0,
|
|
};
|
|
|
|
container = document.createElement( 'div' );
|
|
document.body.appendChild( container );
|
|
|
|
// CAMERAS
|
|
|
|
camera = new THREE.PerspectiveCamera( 70, windowThirdX / window.innerHeight, 0.1, 100000 );
|
|
camera.position.x = 700;
|
|
camera.position.y = 400;
|
|
camera.position.z = 800;
|
|
cameraCube = new THREE.PerspectiveCamera( 70, windowThirdX / window.innerHeight, 1, 100000 );
|
|
|
|
cameraBG = new THREE.OrthographicCamera( -windowHalfX, windowHalfX, windowHalfY, -windowHalfY, -10000, 10000 );
|
|
cameraBG.position.z = 100;
|
|
|
|
orbitControls = new THREE.OrbitControls(camera);
|
|
orbitControls.autoRotate = true;
|
|
orbitControls.autoRotateSpeed = 1;
|
|
|
|
// SCENE
|
|
|
|
scene = new THREE.Scene();
|
|
sceneCube = new THREE.Scene();
|
|
debugScene = new THREE.Scene();
|
|
|
|
// LIGHTS
|
|
|
|
var ambient = new THREE.AmbientLight( 0x050505 );
|
|
scene.add( ambient );
|
|
|
|
directionalLight = new THREE.DirectionalLight( 0xffffff, params.sunLight );
|
|
directionalLight.position.set( 2, 0, 10 ).normalize();
|
|
scene.add( directionalLight );
|
|
|
|
var atmoShader = {
|
|
side: THREE.BackSide,
|
|
// blending: THREE.AdditiveBlending,
|
|
transparent: true,
|
|
lights: true,
|
|
uniforms: THREE.UniformsUtils.merge( [
|
|
|
|
THREE.UniformsLib[ "common" ],
|
|
THREE.UniformsLib[ "lights" ],
|
|
] ),
|
|
vertexShader: [
|
|
"varying vec3 vViewPosition;",
|
|
"varying vec3 vNormal;",
|
|
THREE.ShaderChunk[ "lights_phong_pars_vertex" ],
|
|
"void main() {",
|
|
THREE.ShaderChunk[ "defaultnormal_vertex" ],
|
|
|
|
" vNormal = normalize( transformedNormal );",
|
|
"vec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );",
|
|
"vViewPosition = -mvPosition.xyz;",
|
|
"gl_Position = projectionMatrix * mvPosition;",
|
|
"}"
|
|
|
|
].join("\n"),
|
|
|
|
fragmentShader: [
|
|
|
|
THREE.ShaderChunk[ "lights_phong_pars_fragment" ],
|
|
|
|
"void main() {",
|
|
"vec3 normal = normalize( -vNormal );",
|
|
"vec3 viewPosition = normalize( vViewPosition );",
|
|
"#if MAX_DIR_LIGHTS > 0",
|
|
|
|
"vec3 dirDiffuse = vec3( 0.0 );",
|
|
|
|
"for( int i = 0; i < MAX_DIR_LIGHTS; i ++ ) {",
|
|
|
|
"vec4 lDirection = viewMatrix * vec4( directionalLightDirection[ i ], 0.0 );",
|
|
"vec3 dirVector = normalize( lDirection.xyz );",
|
|
"float dotProduct = dot( viewPosition, dirVector );",
|
|
"dotProduct = 1.0 * max( dotProduct, 0.0 ) + (1.0 - max( -dot( normal, dirVector ), 0.0 ));",
|
|
"dotProduct *= dotProduct;",
|
|
"dirDiffuse += max( 0.5 * dotProduct, 0.0 ) * directionalLightColor[ i ];",
|
|
"}",
|
|
"#endif",
|
|
|
|
//Fade out atmosphere at edge
|
|
"float viewDot = abs(dot( normal, viewPosition ));",
|
|
"viewDot = clamp( pow( viewDot + 0.6, 10.0 ), 0.0, 1.0);",
|
|
|
|
"vec3 colour = vec3( 0.05, 0.09, 0.13 ) * dirDiffuse;",
|
|
"gl_FragColor = vec4( colour, viewDot );",
|
|
|
|
"}"
|
|
|
|
].join("\n"),
|
|
};
|
|
|
|
var earthAtmoMat = new THREE.ShaderMaterial( atmoShader );
|
|
|
|
var earthMat = new THREE.MeshPhongMaterial( {
|
|
color: 0xffffff,
|
|
shininess: 200
|
|
} );
|
|
|
|
var earthDiffuse = THREE.ImageUtils.loadTexture( 'textures/planets/earth_atmos_4096.jpg', undefined, function( tex ) {
|
|
earthMat.map = tex;
|
|
earthMat.needsUpdate = true;
|
|
} );
|
|
var earthSpecular = THREE.ImageUtils.loadTexture( 'textures/planets/earth_specular_2048.jpg', undefined, function( tex ) {
|
|
earthMat.specularMap = tex;
|
|
earthMat.needsUpdate = true;
|
|
} );
|
|
|
|
// var earthNormal = THREE.ImageUtils.loadTexture( 'textures/planets/earth-new-normal-2048.jpg', undefined, function( tex ) {
|
|
// earthMat.normalMap = tex;
|
|
// earthMat.needsUpdate = true;
|
|
// } );
|
|
|
|
var earthLightsMat = new THREE.MeshBasicMaterial( {
|
|
color: 0xffffff,
|
|
blending: THREE.AdditiveBlending,
|
|
transparent: true,
|
|
depthTest: false
|
|
} );
|
|
|
|
var earthLights = THREE.ImageUtils.loadTexture( 'textures/planets/earth_lights_2048.png', undefined, function( tex ) {
|
|
earthLightsMat.map = tex;
|
|
earthLightsMat.needsUpdate = true;
|
|
} );
|
|
|
|
var earthCloudsMat = new THREE.MeshLambertMaterial( {
|
|
color: 0xffffff,
|
|
blending: THREE.NormalBlending,
|
|
transparent: true,
|
|
depthTest: false
|
|
} );
|
|
|
|
var earthClouds = THREE.ImageUtils.loadTexture( 'textures/planets/earth_clouds_2048.png', undefined, function( tex ) {
|
|
earthCloudsMat.map = tex;
|
|
earthCloudsMat.needsUpdate = true;
|
|
} );
|
|
|
|
var earthGeo = new THREE.SphereGeometry( 600, 24, 24 );
|
|
var sphereMesh = new THREE.Mesh( earthGeo, earthMat );
|
|
scene.add( sphereMesh );
|
|
|
|
var sphereLightsMesh = new THREE.Mesh( earthGeo, earthLightsMat );
|
|
scene.add( sphereLightsMesh );
|
|
|
|
var sphereCloudsMesh = new THREE.Mesh( earthGeo, earthCloudsMat );
|
|
scene.add( sphereCloudsMesh );
|
|
|
|
var sphereAtmoMesh = new THREE.Mesh( earthGeo, earthAtmoMat );
|
|
sphereAtmoMesh.scale.set( 1.05, 1.05, 1.05 );
|
|
scene.add( sphereAtmoMesh );
|
|
|
|
var vBGShader = [
|
|
// "attribute vec2 uv;",
|
|
"varying vec2 vUv;",
|
|
"void main() {",
|
|
"vUv = uv;",
|
|
"gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );",
|
|
"}"
|
|
|
|
].join("\n");
|
|
|
|
var pBGShader = [
|
|
|
|
"uniform sampler2D map;",
|
|
"varying vec2 vUv;",
|
|
|
|
"void main() {",
|
|
|
|
"vec2 sampleUV = vUv;",
|
|
"vec4 colour = texture2D( map, sampleUV, 0.0 );",
|
|
|
|
"gl_FragColor = vec4( colour.xyz, 1.0 );",
|
|
|
|
"}"
|
|
|
|
].join("\n");
|
|
|
|
// Skybox
|
|
adaptiveLuminanceMat = new THREE.ShaderMaterial( {
|
|
uniforms: {
|
|
map: { type: 't', value: null }
|
|
},
|
|
vertexShader: vBGShader,
|
|
fragmentShader: pBGShader,
|
|
depthTest: false,
|
|
// color: 0xffffff
|
|
blending: THREE.NoBlending
|
|
} );
|
|
|
|
currentLuminanceMat = new THREE.ShaderMaterial( {
|
|
uniforms: {
|
|
map: { type: 't', value: null }
|
|
},
|
|
vertexShader: vBGShader,
|
|
fragmentShader: pBGShader,
|
|
depthTest: false,
|
|
// color: 0xffffff
|
|
// blending: THREE.NoBlending
|
|
} );
|
|
|
|
var quadBG = new THREE.Mesh( new THREE.PlaneBufferGeometry( 0.1, 0.1 ), currentLuminanceMat );
|
|
quadBG.position.z = -500;
|
|
quadBG.position.x = -window.innerWidth * 0.5 + window.innerWidth * 0.05;
|
|
quadBG.scale.set( window.innerWidth, window.innerHeight, 1 );
|
|
debugScene.add( quadBG );
|
|
|
|
quadBG = new THREE.Mesh( new THREE.PlaneBufferGeometry( 0.1, 0.1 ), adaptiveLuminanceMat );
|
|
quadBG.position.z = -500;
|
|
quadBG.position.x = -window.innerWidth * 0.5 + window.innerWidth * 0.15;
|
|
quadBG.scale.set( window.innerWidth, window.innerHeight, 1 );
|
|
debugScene.add( quadBG );
|
|
|
|
var r = "textures/cube/MilkyWay/";
|
|
var urls = [ r + "dark-s_px.jpg", r + "dark-s_nx.jpg",
|
|
r + "dark-s_py.jpg", r + "dark-s_ny.jpg",
|
|
r + "dark-s_pz.jpg", r + "dark-s_nz.jpg" ];
|
|
|
|
var textureCube = THREE.ImageUtils.loadTextureCube( urls );
|
|
textureCube.format = THREE.RGBFormat;
|
|
var skyboxShader = THREE.ShaderLib[ "cube" ];
|
|
skyboxShader.uniforms[ "tCube" ].value = textureCube;
|
|
|
|
var skyboxMaterial = new THREE.ShaderMaterial( {
|
|
|
|
fragmentShader: skyboxShader.fragmentShader,
|
|
vertexShader: skyboxShader.vertexShader,
|
|
uniforms: skyboxShader.uniforms,
|
|
depthWrite: false,
|
|
side: THREE.BackSide
|
|
|
|
} ),
|
|
|
|
mesh = new THREE.Mesh( new THREE.BoxGeometry( 100, 100, 100 ), skyboxMaterial );
|
|
sceneCube.add( mesh );
|
|
|
|
|
|
renderer = new THREE.WebGLRenderer();
|
|
renderer.setPixelRatio( window.devicePixelRatio );
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
|
renderer.setFaceCulling( THREE.CullFaceNone );
|
|
renderer.autoClear = false;
|
|
|
|
renderer.gammaInput = true;
|
|
renderer.gammaOutput = false;
|
|
|
|
container.appendChild( renderer.domElement );
|
|
|
|
var extensions = new THREE.WebGLExtensions( renderer.getContext() );
|
|
|
|
// var width = window.innerWidth || 1;
|
|
var height = window.innerHeight || 1;
|
|
|
|
var parameters = { minFilter: THREE.LinearFilter, magFilter: THREE.LinearFilter, format: THREE.RGBAFormat, stencilBuffer: false };
|
|
var regularRenderTarget = new THREE.WebGLRenderTarget( windowThirdX, height, parameters );
|
|
ldrEffectComposer = new THREE.EffectComposer( renderer, regularRenderTarget );
|
|
|
|
if ( extensions.get('OES_texture_half_float_linear') ) {
|
|
parameters.type = THREE.FloatType;
|
|
}
|
|
var hdrRenderTarget = new THREE.WebGLRenderTarget( windowThirdX, height, parameters );
|
|
dynamicHdrEffectComposer = new THREE.EffectComposer( renderer, hdrRenderTarget );
|
|
dynamicHdrEffectComposer.setSize( window.innerWidth, window.innerHeight );
|
|
hdrEffectComposer = new THREE.EffectComposer( renderer, hdrRenderTarget );
|
|
|
|
var debugPass = new THREE.RenderPass( debugScene, cameraBG );
|
|
debugPass.clear = false;
|
|
var scenePass = new THREE.RenderPass( scene, camera, undefined, undefined, undefined );
|
|
var skyboxPass = new THREE.RenderPass( sceneCube, cameraCube );
|
|
scenePass.clear = false;
|
|
|
|
adaptToneMappingPass = new THREE.AdaptiveToneMappingPass( true, 256 );
|
|
adaptToneMappingPass.needsSwap = true;
|
|
ldrToneMappingPass = new THREE.AdaptiveToneMappingPass( false, 256 );
|
|
hdrToneMappingPass = new THREE.AdaptiveToneMappingPass( false, 256 );
|
|
bloomPass = new THREE.BloomPass();
|
|
var copyPass = new THREE.ShaderPass( THREE.CopyShader );
|
|
copyPass.renderToScreen = true;
|
|
|
|
dynamicHdrEffectComposer.addPass( skyboxPass );
|
|
dynamicHdrEffectComposer.addPass( scenePass );
|
|
dynamicHdrEffectComposer.addPass( adaptToneMappingPass );
|
|
// dynamicHdrEffectComposer.addPass( debugPass );
|
|
dynamicHdrEffectComposer.addPass( bloomPass );
|
|
dynamicHdrEffectComposer.addPass( copyPass );
|
|
|
|
hdrEffectComposer.addPass( skyboxPass );
|
|
hdrEffectComposer.addPass( scenePass );
|
|
hdrEffectComposer.addPass( hdrToneMappingPass );
|
|
hdrEffectComposer.addPass( bloomPass );
|
|
hdrEffectComposer.addPass( copyPass );
|
|
|
|
ldrEffectComposer.addPass( skyboxPass );
|
|
ldrEffectComposer.addPass( scenePass );
|
|
ldrEffectComposer.addPass( ldrToneMappingPass );
|
|
ldrEffectComposer.addPass( bloomPass );
|
|
ldrEffectComposer.addPass( copyPass );
|
|
|
|
// var gammaPass = new THREE.ShaderPass( GammaShader );
|
|
// gammaPass.renderToScreen = true;
|
|
// ldrEffectComposer.addPass( gammaPass );
|
|
|
|
|
|
var dynamicHdrGui = new dat.GUI();
|
|
|
|
// dynamicHdrGui.add( params, 'projection', { 'From cam to mesh': 'camera', 'Normal to mesh': 'normal' } );
|
|
dynamicHdrGui.add( params, 'middleGrey', 0, 12 );
|
|
dynamicHdrGui.add( params, 'maxLuminance', 1, 30 );
|
|
dynamicHdrGui.add( params, 'adaptionRate', 0.0, 10.0 );
|
|
dynamicHdrGui.add( params, 'bloomAmount', 0.0, 10.0 );
|
|
dynamicHdrGui.add( params, 'sunLight', 0.1, 12.0 );
|
|
// dynamicHdrGui.add( params, 'clear' );
|
|
dynamicHdrGui.open();
|
|
|
|
var ldrGui = new dat.GUI();
|
|
ldrGui.domElement.style.position = 'absolute';
|
|
ldrGui.add( params, 'Average Luminosity', 0.001, 2.0 );
|
|
ldrGui.open();
|
|
|
|
|
|
window.addEventListener( 'resize', onWindowResize, false );
|
|
|
|
}
|
|
|
|
function onWindowResize() {
|
|
|
|
windowHalfX = window.innerWidth / 2;
|
|
windowHalfY = window.innerHeight / 2;
|
|
windowThirdX = window.innerWidth / 3;
|
|
windowThirdY = window.innerHeight / 3;
|
|
|
|
camera.aspect = windowThirdX / window.innerHeight;
|
|
camera.updateProjectionMatrix();
|
|
|
|
cameraCube.aspect = windowThirdX / window.innerHeight;
|
|
cameraCube.updateProjectionMatrix();
|
|
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
|
|
|
}
|
|
|
|
function animate() {
|
|
|
|
requestAnimationFrame( animate );
|
|
if ( bloomPass ) {
|
|
bloomPass.copyUniforms[ "opacity" ].value = params.bloomAmount;
|
|
}
|
|
|
|
if ( adaptToneMappingPass ) {
|
|
adaptToneMappingPass.setAdaptionRate( params.adaptionRate );
|
|
adaptiveLuminanceMat.uniforms.map.value = adaptToneMappingPass.luminanceRT;
|
|
currentLuminanceMat.uniforms.map.value = adaptToneMappingPass.currentLuminanceRT;
|
|
if ( adaptToneMappingPass.setAverageLuminance ) {
|
|
adaptToneMappingPass.setAverageLuminance( params["Average Luminosity"] );
|
|
}
|
|
adaptToneMappingPass.setMaxLuminance( params.maxLuminance );
|
|
adaptToneMappingPass.setMiddleGrey( params.middleGrey );
|
|
}
|
|
|
|
directionalLight.intensity = params.sunLight;
|
|
|
|
orbitControls.update();
|
|
|
|
render();
|
|
|
|
}
|
|
|
|
function render() {
|
|
|
|
camera.lookAt( scene.position );
|
|
cameraCube.rotation.copy( camera.rotation );
|
|
|
|
renderer.setViewport( 0, 0, windowThirdX, window.innerHeight );
|
|
ldrEffectComposer.render( 0.017 );
|
|
|
|
renderer.setViewport( windowThirdX, 0, windowThirdX, window.innerHeight );
|
|
hdrEffectComposer.render( 0.017 );
|
|
|
|
renderer.setViewport( windowThirdX * 2, 0, windowThirdX, window.innerHeight );
|
|
dynamicHdrEffectComposer.render( 0.017 );
|
|
|
|
}
|
|
|
|
</script>
|
|
|
|
</body>
|
|
</html>
|