voxelplot/voxelplot5d.html at master · kylechinnock/voxelplot · GitHub

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<!DOCTYPE html>
<html lang="en">
	<head>
		<title>Voxel Plot</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="https://threejs.org/examples/main.css">
	</head>
	<body>
		<div id="container"></div>
		<script type="x-shader/x-vertex" id="vertexshader">

			varying vec2 vUv;
			void main() {
				vUv = uv;
				gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
			}

		</script>
		<script type="x-shader/x-fragment" id="fragmentshader">

			uniform sampler2D baseTexture;
			uniform sampler2D bloomTexture;

			varying vec2 vUv;
			vec4 getTexture( sampler2D texelToLinearTexture ) {
				return mapTexelToLinear( texture2D( texelToLinearTexture , vUv ) );
			}

			void main() {
				gl_FragColor = ( getTexture( baseTexture ) + vec4( 1.0 ) * getTexture( bloomTexture ) );
			}

		</script>
		<script type="text/javascript">
			function fetchJSONFile(path, callback) {
			    var httpRequest = new XMLHttpRequest();
			    httpRequest.onreadystatechange = function() {
			        if (httpRequest.readyState === 4) {
			            if (httpRequest.status === 200) {
			                var data = JSON.parse(httpRequest.responseText);
			                if (callback) callback(data);
			            }
			        }
			    };
			    httpRequest.open('GET', path);
			    httpRequest.send();
			}
		</script>
		<script type="module">
			import * as THREE from 'https://www.unpkg.com/three@0.117.0/build/three.module.js';
			import { OrbitControls } from 'https://www.unpkg.com/three@0.117.0/examples/jsm/controls/OrbitControls.js';
			import { EffectComposer } from 'https://www.unpkg.com/three@0.117.0/examples/jsm/postprocessing/EffectComposer.js';
			import { RenderPass } from 'https://www.unpkg.com/three@0.117.0/examples/jsm/postprocessing/RenderPass.js';
			import { ShaderPass } from 'https://www.unpkg.com/three@0.117.0/examples/jsm/postprocessing/ShaderPass.js';
			import { UnrealBloomPass } from 'https://www.unpkg.com/three@0.117.0/examples/jsm/postprocessing/UnrealBloomPass.js';
			import { GUI } from 'https://www.unpkg.com/three@0.117.0/examples/jsm/libs/dat.gui.module.js';

			var container, stats, camera,
			    scene, renderer, controls, points;

			var ENTIRE_SCENE = 0, BLOOM_SCENE = 1;
			var bloomLayer = new THREE.Layers();
			bloomLayer.set( BLOOM_SCENE );

			var params = {
				exposure: 0.3,
				bloomThreshold: 0.021,
				bloomStrength: 7,
				bloomRadius: 0.3,
				bloom: true
			};

			//	MATERIALS

			var darkMaterial = new THREE.MeshBasicMaterial( { color:'black' } );
			var material = new THREE.PointsMaterial( { size: 1, vertexColors: THREE.VertexColors } );
			var materials = {};

			function disposeMaterial( obj ) {
				if ( obj.material ) {
					obj.material.dispose();
				}
			}

			//	SCENE

			scene = new THREE.Scene();
			scene.background = new THREE.Color( 0x050505 );
			scene.fog = new THREE.Fog( 0x050505, 3000, 5000 );
			scene.add( new THREE.AmbientLight( 0x404040 ) );

			//	RENDERER

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

			//	DOM

			container = document.getElementById( 'container' );
			container.appendChild( renderer.domElement );

			//	CAMERA

			camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 5, 5000 );
			camera.position.set( 500 , 500, 500 );
			camera.lookAt( 0, 0, 0 );

			//	CONTROLS

			controls = new OrbitControls( camera, renderer.domElement );
			controls.maxPolarAngle = Math.PI * 0.66;
			controls.minDistance = 50;
			controls.maxDistance = 3000;
			controls.addEventListener( 'change', render );

			//	RENDER COMPOSITION

			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;

			var bloomComposer = new EffectComposer( renderer );
			bloomComposer.renderToScreen = false;
			bloomComposer.addPass( renderScene );
			bloomComposer.addPass( bloomPass );

			var finalPass = new ShaderPass(
				new THREE.ShaderMaterial( {
					uniforms: {
						baseTexture: { value: null },
						bloomTexture: { value: bloomComposer.renderTarget2.texture }
					},
					vertexShader: document.getElementById( 'vertexshader' ).textContent,
					fragmentShader: document.getElementById( 'fragmentshader' ).textContent,
					defines: {}
				} ), "baseTexture"
			);
			finalPass.needsSwap = true;

			var finalComposer = new EffectComposer( renderer );
			finalComposer.addPass( renderScene );
			finalComposer.addPass( finalPass );

			//	GUI

			var gui = new GUI();
			gui.add( params, 'bloom', false ).onChange( function ( value ) {
				switch ( value ) 	{
					case true:
						bloomComposer.renderToScreen = false;
						break;
					case false:
						break;
				}
				render();

			} );

			var folder = gui.addFolder( 'Bloom Parameters' );
			folder.add( params, 'bloomThreshold', 0.0, 0.1 ).onChange( function ( value ) {

				bloomPass.threshold = Number( value );
				render();
			} );
			folder.add( params, 'bloomStrength', 4.0, 8.0 ).onChange( function ( value ) {

				bloomPass.strength = Number( value );
				render();
			} );
			folder.add( params, 'bloomRadius', 0.0, 0.7 ).step( 0.01 ).onChange( function ( value ) {
				bloomPass.radius = Number( value );
				render();
			} );
			gui.hide();


			//	INITIALIZATION

			fetchJSONFile('/voxelplot/MA4D-USDC_-BTC-LTC-ETH.json', function(data){
			    init(data);
			});

			function init(data) {

				//	DATA

				var scale=1;
				var width = 100, height = 100, depth = 30;
				var awidth = data[Object.keys(data)[0]].length, aheight = data[Object.keys(data)[0]][0].length, adepth = data[Object.keys(data)[0]][0][0].length;
				console.log( 'Config: ' + width + ', ' + height + ', ' + depth );
				console.log( 'Data: ' + awidth + ', ' + aheight + ', ' + adepth );
				var positions = [];
				var opacities = [];
				var colors = [];
				var color = new THREE.Color();
				var clipping = 1;

       				for (var x = 0; x < width; x++ ) {
				    for (var y = 0; y < height; y++ ) {
					for (var z = 0; z < depth; z++ ) {
					    if( data[Object.keys(data)[0]][x][y][z]>clipping || data[Object.keys(data)[1]][x][y][z]>clipping || data[Object.keys(data)[2]][x][y][z]>clipping ){
			                    	positions.push(((x-width/2)*scale) + (Math.random()*2), ((y-height/2)*scale) + (Math.random()*2), ((z-depth/2)*scale*2) + (Math.random()*2));
					    	color.setRGB( data[Object.keys(data)[0]][x][y][z]*10, data[Object.keys(data)[1]][x][y][z]*10, data[Object.keys(data)[2]][x][y][z]*10 );
					    	colors.push( color.r, color.g, color.b );
					    }
					}
				    }
			        }

					//	CAMERA RESET

					var normal=(width+height+depth)/3
					camera.position.set( normal*scale , normal*scale, normal*scale );

				//	GEOMETRY

				var geometry = new THREE.BufferGeometry();
				geometry.addAttribute( 'position', new THREE.Float32BufferAttribute( positions, 3 ) );
				geometry.addAttribute( 'color', new THREE.Float32BufferAttribute( colors, 3 ) );
				geometry.rotateX( -90 * Math.PI / 180);
				geometry.computeBoundingSphere();

				//	POINTS

				points = new THREE.Points( geometry, material );
				scene.add( points );
				render();

			}

			//	WINDOW EVENTS

			window.onresize = function () {
				var width = window.innerWidth;
				var height = window.innerHeight;
				camera.aspect = width / height;
				camera.updateProjectionMatrix();
				renderer.setSize( width, height );
				bloomComposer.setSize( width, height );
				finalComposer.setSize( width, height );
				render();

			};

			//	RENDER

			function render() {
				renderer.toneMappingExposure = Math.pow( 0.25, 4.0 );
				switch ( params.bloom ) {
					case false:
						renderer.render( scene, camera );
						break;
					case true:
					default:
						// render scene with bloom
						renderBloom( true );
						// render the entire scene, then render bloom scene on top
						finalComposer.render();
						break;
				}
			}

			function renderBloom( mask ) {
				if ( mask === true ) {
					scene.traverse( darkenNonBloomed );
					bloomComposer.render();
					scene.traverse( restoreMaterial );
				} else {
					camera.layers.set( BLOOM_SCENE );
					bloomComposer.render();
					camera.layers.set( ENTIRE_SCENE );
				}
			}

			function darkenNonBloomed( obj ) {
				if ( obj.isMesh && bloomLayer.test( obj.layers ) === false ) {
					materials[ obj.uuid ] = obj.material;
					obj.material = darkMaterial;
				}
			}

			function restoreMaterial( obj ) {
				if ( materials[ obj.uuid ] ) {
					obj.material = materials[ obj.uuid ];
					delete materials[ obj.uuid ];
				}
			}
		</script>

	</body>
</html>