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solarsystem.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Solarsystem Simulation</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="author" content="Lucas Dietrich">
<meta name="robots" content="index,follow">
<meta property="og:title" content="Solarsystem Simulation | Explore our solarsystem virtually"/>
<meta property="og:description" content="Space has always been a mystery to mankind. Its indescribable vastness and beauty are pleading for exploration."/>
<meta property="og:image" content="img/og-images/og-image-solarsystem.jpg" />
<meta property="og:type" content="website"/>
<meta property="og:url" content="http://webgl.lucasdietrich.de/solarsystem.html"/>
<meta property="og:site_name" content="Solarsystem Simulation | Explore our solarsystem virtually"/>
<link rel="shortcut icon" href="img/favicons/solarsystem/favicon.ico">
<link rel="icon" sizes="16x16 32x32 64x64" href="img/favicons/solarsystem/favicon.ico">
<link rel="icon" type="image/png" sizes="16x16" href="img/favicons/solarsystem/favicon-16.png">
<link rel="icon" type="image/png" sizes="32x32" href="img/favicons/solarsystem/favicon-32.png">
<link rel="icon" type="image/png" sizes="64x64" href="img/favicons/solarsystem/favicon-64.png">
<link rel="stylesheet" href="css/solarsystem.min.css">
</head>
<body>
<div id="loader">
<div class="container">
<div class="loading-text-eyebrow">Welcome to the simulation</div>
<div class="loading-text">Solarsystem</div>
<div class="loading-text-instructions-holder">
<div class="loading-text-instructions">
<p>
Use your mouse to zoom in/out and pan around them.
Use the top navigation to change planets.
You'll always be locked on to a planet.
</p>
<hr>
<dl>
<dt>Pan:</dt>
<dd>Press and hold mouse + move</dd>
<dt>Zoom in/out:</dt>
<dd>Mouse-Wheel up/down</dd>
<dt>Simulation controls:</dt>
<dd>Bottom-left corner</dd>
<dt>Music controls:</dt>
<dd>Bottom-right corner</dd>
</dl>
</div>
</div>
<div id="start" tabindex="0">
Press <kbd>Enter</kbd> or click here to start your exploration
</div>
</div>
<span class="version">
Version 1.2.0
</span>
</div>
<div class="story--holder" id="universe">
<div id="canvas-container">
<div id="cursor"></div>
<div class="body-information">
<!-- Sun -->
<article id="sun-information">
<div class="title">Sun ☉</div>
<dl class="information">
<dt>Radius</dt><dd>696,342 km</dd>
<dt>Rotation tilt</dt><dd>7.25°</dd>
<dt>Rotation speed</dt><dd>25 days 6 hours</dd>
</dl>
</article>
<!-- Mercury -->
<article id="mercury-information">
<div class="title">Mercury ☿</div>
<dl class="information">
<dt>Diameter</dt><dd>4,880 km</dd>
<dt>Rotation tilt</dt><dd>0.034°</dd>
<dt>Rotation speed</dt><dd>58 days 15 hours</dd>
</dl>
<hr>
<dl class="information">
<dt>Orbital radius</dt><dd>0.3871 AE</dd>
<dt>Orbital tilt</dt><dd>7.0049°</dd>
<dt>Orbital speed</dt><dd>~ 47.36 km/s</dd>
</dl>
</article>
<!-- Venus -->
<article id="venus-information">
<div class="title">Venus ♀</div>
<dl class="information">
<dt>Diameter</dt><dd>12,103.6 km</dd>
<dt>Rotation tilt</dt><dd>177.36°</dd>
<dt>Rotation speed</dt><dd>243 days 36 minutes</dd>
</dl>
<hr>
<dl class="information">
<dt>Orbital radius</dt><dd>0.723 AE</dd>
<dt>Orbital tilt</dt><dd>8.3947°</dd>
<dt>Orbital speed</dt><dd>~ 35.02 km/s</dd>
</dl>
</article>
<!-- Earth -->
<article id="earth-information">
<div class="title">Earth 🜨</div>
<dl class="information">
<dt>Diameter</dt><dd>12,756.27 km</dd>
<dt>Rotation tilt</dt><dd>23.44°</dd>
<dt>Rotation speed</dt><dd>23 hours 56 minutes</dd>
</dl>
<hr>
<dl class="information">
<dt>Orbital radius</dt><dd>1 AE</dd>
<dt>Orbital tilt</dt><dd>0.0001°</dd>
<dt>Orbital speed</dt><dd>~ 29.78 km/s</dd>
</dl>
</article>
<!-- Mars -->
<article id="mars-information">
<div class="title">Mars ♂</div>
<dl class="information">
<dt>Diameter</dt><dd>6,792.4 km</dd>
<dt>Rotation tilt</dt><dd>25.19°</dd>
<dt>Rotation speed</dt><dd>24 hours 37 minutes</dd>
</dl>
<hr>
<dl class="information">
<dt>Orbital radius</dt><dd>1,524 AE</dd>
<dt>Orbital tilt</dt><dd>1.8506°</dd>
<dt>Orbital speed</dt><dd>~ 24.07 km/s</dd>
</dl>
</article>
<!-- Jupiter -->
<article id="jupiter-information">
<div class="title">Jupiter ♃</div>
<dl class="information">
<dt>Diameter</dt><dd>142,984 km</dd>
<dt>Rotation tilt</dt><dd>3.13°</dd>
<dt>Rotation speed</dt><dd>9 hours 55 minutes</dd>
</dl>
<hr>
<dl class="information">
<dt>Orbital radius</dt><dd>5.204 AE</dd>
<dt>Orbital tilt</dt><dd>1.304°</dd>
<dt>Orbital speed</dt><dd>~ 13.06 km/s</dd>
</dl>
</article>
<!-- Saturn -->
<article id="saturn-information">
<div class="title">Saturn ♄</div>
<dl class="information">
<dt>Diameter</dt><dd>120,536 km</dd>
<dt>Rotation tilt</dt><dd>26.73°</dd>
<dt>Rotation speed</dt><dd>10 hours 33 minutes</dd>
</dl>
<hr>
<dl class="information">
<dt>Orbital radius</dt><dd>9.582 AE</dd>
<dt>Orbital tilt</dt><dd>2.4845°</dd>
<dt>Orbital speed</dt><dd>~ 9.68 km/s</dd>
</dl>
</article>
<!-- Uranus -->
<article id="uranus-information">
<div class="title">Uranus ⛢</div>
<dl class="information">
<dt>Diameter</dt><dd>51,118 km</dd>
<dt>Rotation tilt</dt><dd>97.77°</dd>
<dt>Rotation speed</dt><dd>17 hours 14 minutes</dd>
</dl>
<hr>
<dl class="information">
<dt>Orbital radius</dt><dd>19.201 AE</dd>
<dt>Orbital tilt</dt><dd>0.7699°</dd>
<dt>Orbital speed</dt><dd>~ 6.81 km/s</dd>
</dl>
</article>
<!-- Neptune -->
<article id="neptune-information">
<div class="title">Neptune ♆</div>
<dl class="information">
<dt>Diameter</dt><dd>49,528 km</dd>
<dt>Rotation tilt</dt><dd>28.32°</dd>
<dt>Rotation speed</dt><dd>15 hours 58 minutes</dd>
</dl>
<hr>
<dl class="information">
<dt>Orbital radius</dt><dd>30.047 AE</dd>
<dt>Orbital tilt</dt><dd>1.7692°</dd>
<dt>Orbital speed</dt><dd>~ 5.43 km/s</dd>
</dl>
</article>
<!-- Pluto -->
<article id="pluto-information">
<div class="title">Pluto ♇</div>
<dl class="information">
<dt>Diameter</dt><dd>2,374 km</dd>
<dt>Rotation tilt</dt><dd>122.53°</dd>
<dt>Rotation speed</dt><dd>6 days 9 hours 43 minutes</dd>
</dl>
<hr>
<dl class="information">
<dt>Orbital radius</dt><dd>39.482 AE</dd>
<dt>Orbital tilt</dt><dd>17.1418°</dd>
<dt>Orbital speed</dt><dd>~ 4.67 km/s</dd>
</dl>
</article>
</div>
<!-- UI -->
<div class="ui-holder">
<div class="controller panel" id="tweakpane"></div>
<!-- Controller -->
<div class="controller days-passed">
<div class="value" id="days">0</div>
<div class="title">Days passed</div>
</div>
<div class="controller simulation-speed">
<form id="simulation-speed-form">
<input class="value" id="simulation-speed" type="number" value="0.02" step="0.01" />
<label class="title" for="simulation-speed" style="display: block">Simulation speed</label>
</form>
</div>
<!-- Navigators -->
<div class="navigator-holder">
<!-- Navigator left -->
<div class="navigator">
<nav id="navigate-to">
<ul>
<li class="sun" data-body="sun"></li>
<li class="mercury" data-body="mercury"></li>
<li class="venus" data-body="venus"></li>
<li class="earth" data-body="earth"></li>
<li class="mars active" data-body="mars"></li>
<li class="jupiter" data-body="jupiter"></li>
<li class="saturn" data-body="saturn"></li>
<li class="uranus" data-body="uranus"></li>
<li class="neptune" data-body="neptune"></li>
<li class="pluto" data-body="pluto"></li>
</ul>
</nav>
<div class="legend">Attach to</div>
</div>
<!-- Navigator right -->
<div class="navigator right">
<nav id="look-at">
<ul>
<li class="sun" data-body="sun"></li>
<li class="mercury" data-body="mercury"></li>
<li class="venus" data-body="venus"></li>
<li class="earth" data-body="earth"></li>
<li class="mars active" data-body="mars"></li>
<li class="jupiter" data-body="jupiter"></li>
<li class="saturn" data-body="saturn"></li>
<li class="uranus" data-body="uranus"></li>
<li class="neptune" data-body="neptune"></li>
<li class="pluto" data-body="pluto"></li>
</ul>
</nav>
<div class="legend">Look at</div>
</div>
</div>
<!-- Audioplayer -->
<div class="audio-player">
<div class="title--holder">
<div class="title">Uncharted Worlds</div>
</div>
<div class="play-pause" title="Play / pause music">
<div class="bar"></div>
<div class="bar"></div>
<div class="bar"></div>
</div>
<div class="shuffle" id="shuffle" title="Shuffle to another song">
<img src="img/shuffle.svg" alt="Shuffle">
</div>
</div>
</div>
</div>
</div>
<script src="js/three.js"></script>
<script src="js/tweakpane-3.1.1.min.js" type="text/javascript"></script>
<script src="js/jquery-3.5.1.min.js" type="text/javascript"></script>
<script type="module">
// import * as THREE from './js/three.js';
import { OrbitControls } from './js/OrbitControls.js';
var container;
var camera, scene, renderer, controls, loader;
var mouse, raycaster;
var framesCount = 0;
var ambientLight, pointLight;
let particles = [],
particle, geometry, material, particleMap, spriteMaterial;
let stars = [],
starsGeometry, starsMaterial, starPositions, starColors;
// Three Objects
const clock = new THREE.Clock();
// Math variables
const pi2 = Math.PI * 2; // full rotation
const deg = Math.PI / 180; // one degree
const goldenAngle = Math.PI * (3 - Math.sqrt(5));
// Math functions
function easeInOut(x) {
return Math.pow(Math.sin(x * Math.PI / 2), 2);
}
// Story variables
let snapshotTime = 0;
let snapshotCameraPosition = new THREE.Vector3();
let snapshotCameraRotation = new THREE.Vector3();
let previousTargetPosition = new THREE.Vector3();
let storyTransition = false;
let locked = true;
let loaded = false;
/*
* Solarsystem Documentation
*
* AE in km
* body['radius'] in km
* body['distance'] in km * AE
* body['speed'] in km/s
* body['rotationSpeed'] compared times to earth
* body['tilt'] in deg
* orbital['tilt'] in deg
*
*/
// Objects
let body, bodyGeometry, bodyMaterial, bodies = [], gBodies = [];
let atmosphere, atmosphereGeometry, atmosphereMaterial, atmospheres = [];
let rings, ringsGeometry, ringsMaterial;
let orbit, orbitGeometry, orbitMaterial, orbits = [];
// Simulation
let simulationMode = true;
let elapsedTime = 0;
let deltaTime = 0;
let oldElapsedTime = 0;
let daysInSimulationPast = 0;
let simulationTime = window.simulationTime = 0;
let simulationSpeed = window.simulationSpeed = 0.02; // 0,0027 = realtime
const updateDateEvent = new Event('updateDate');
// User Params
const queryString = window.location.search;
const urlParams = new URLSearchParams(queryString);
const paramsOptions = {
highRes: urlParams.get('highRes') === 'true'
}
const pane = new Tweakpane.Pane({
container: document.querySelector('#tweakpane'),
title: 'Options',
expanded: false,
width: 150
});
const paneOptions = {
showAtmosphere: true,
showOrbits: false,
highRes: paramsOptions.highRes,
hideUI: false,
toneMappingExposure: 1.1,
}
// Folders
const paneFolderSolarsystem = pane.addFolder({ title: 'Solarsystem' });
const paneFolderSimulationSpeed = pane.addFolder({ title: 'Simulation speed' });
const paneFolderUI = pane.addFolder({ title: 'UI' });
// Simulation
paneFolderSolarsystem.addInput(paneOptions, 'showAtmosphere', { label: 'Show Atmosphere' }).on('change', () => {
atmospheres.forEach((atmosphere) => {
atmosphere.visible = paneOptions.showAtmosphere;
});
});
paneFolderSolarsystem.addInput(paneOptions, 'showOrbits', { label: 'Show Orbits' }).on('change', () => {
orbits.forEach((orbitGroup) => {
orbitGroup.children[0].visible = paneOptions.showOrbits;
});
});
paneFolderSolarsystem.addInput(paneOptions, 'highRes', { label: 'High-Res images (reloads)' }).on('change', () => {
if (paneOptions.highRes === false) {
window.location.href = window.location.origin + window.location.pathname;
} else {
window.location.href = window.location.origin + window.location.pathname + '?highRes=' + paneOptions.highRes;
}
});
paneFolderSolarsystem.addInput(paneOptions, 'toneMappingExposure', { label: 'Tone Mapping Exposure', min: 0.75, max: 1.4 }).on('change', () => {
renderer.toneMappingExposure = paneOptions.toneMappingExposure;
renderer.render(scene, camera);
});
// Simulation Speed
const paneSimulationSpeedRealTime = paneFolderSimulationSpeed.addButton({ title: 'Set to real-time' })
const paneSimulationSpeedOneDay = paneFolderSimulationSpeed.addButton({ title: '1 Second = 1 Day' })
const paneSimulationSpeedPause = paneFolderSimulationSpeed.addButton({ title: 'Pause' })
const paneSimulationSpeedReset = paneFolderSimulationSpeed.addButton({ title: 'Reset' })
paneSimulationSpeedRealTime.on('click', () => {
window.simulationSpeed = 0.0027;
document.querySelector('input#simulation-speed').value = window.simulationSpeed;
});
paneSimulationSpeedOneDay.on('click', () => {
window.simulationSpeed = 1.0;
document.querySelector('input#simulation-speed').value = window.simulationSpeed;
});
paneSimulationSpeedPause.on('click', () => {
window.simulationSpeed = 0.0;
document.querySelector('input#simulation-speed').value = window.simulationSpeed;
});
paneSimulationSpeedReset.on('click', () => {
window.simulationSpeed = 0.02;
document.querySelector('input#simulation-speed').value = window.simulationSpeed;
});
// UI
const paneHideUI = paneFolderUI.addButton({ title: 'Hide UI (Press any key to show again)' })
paneHideUI.on('click', () => {
paneOptions.hideUI = !paneOptions.hideUI;
document.querySelector('.ui-holder').classList.toggle('hidden', paneOptions.hideUI);
});
// Variables
const AE = 149597870;
const km = 1 / 1000;
const year = 365;
const day = 1 / year;
const scale = 50;
const solarsystem = {
"sun": {
"orbital": {
"tilt": 0
},
"body": {
// "radius": 696342.00,
"radius": 150000.00,
"distance": 0,
"speed": 0,
"rotationSpeed": 0.04,
"tilt": 7.25,
"color": "#ffbc76",
"map": "sun.jpg"
}
},
"mercury": {
"orbital": {
"tilt": 7.0049
},
"body": {
"radius": 4880.00,
"distance": 0.3871,
"speed": 47.36,
"rotationSpeed": 0.017,
"tilt": 0.034,
"color": "#e3d9c7",
"map": "mercury.jpg",
"normalMap": "mercury-normal.jpg"
},
"atmosphere": false
},
"venus": {
"orbital": {
"tilt": 8.3947,
},
"body": {
"radius": 6501.65,
"distance": 0.723,
"speed": 35.02,
"rotationSpeed": 0.004,
"tilt": 177.36,
"color": "#eac9b0",
"map": "venus.jpg",
"normalMap": "venus-normal.jpg"
},
"atmosphere": {
"elevation": 1.025,
"opacity": 0.9,
"blending": 1,
"rotationMultiplicator": 120,
"map": "venus-atmosphere.jpg"
}
},
"earth": {
"orbital": {
"tilt": 0.0001,
},
"body": {
"radius": 6378.135,
"distance": 1,
"speed": 29.78,
"rotationSpeed": 1,
"tilt": 23.44,
"color": "#5f9bd9",
"map": "earth.jpg",
"normalMap": "earth-normal.jpg",
},
"atmosphere": {
"elevation": 1.0125,
"opacity": 1,
"blending": 2,
"rotationMultiplicator": 1.075,
"map": "earth-atmosphere.jpg",
"transparent": true
}
},
"mars": {
"orbital": {
"tilt": 1.8506,
},
"body": {
"radius": 3396.2,
"distance": 1.524,
"speed": 24.07,
"rotationSpeed": 0.999,
"tilt": 25.19,
"color": "#dd965f",
"map": "mars.jpg",
"normalMap": "mars-normal.jpg"
},
"atmosphere": {
"elevation": 1.0125
}
},
"jupiter": {
"orbital": {
"tilt": 1.304,
},
"body": {
"radius": 71492.0,
"distance": 5.204,
"speed": 13.06,
"rotationSpeed": 2.4,
"tilt": 3.13,
"color": "#e9c5a9",
"map": "jupiter.jpg"
},
"atmosphere": {
"elevation": 1.025
}
},
"saturn": {
"orbital": {
"tilt": 2.4845,
},
"body": {
"radius": 60268.0,
"distance": 9.582,
"speed": 9.68,
"rotationSpeed": 2.285,
"tilt": 26.73,
"color": "#e0c092",
"map": "saturn.jpg"
},
"atmosphere": {
"elevation": 1.025
},
"rings": {
// not real sizes,
"innerRadius": 67000,
"outerRadius": 160000,
"map": "saturn-rings.png"
}
},
"uranus": {
"orbital": {
"tilt": 0.7699,
},
"body": {
"radius": 25559.0,
"distance": 19.201,
"speed": 6.81,
"rotationSpeed": 1.411,
"tilt": 97.77,
"color": "#b8f3fc",
"map": "uranus.jpg"
},
"atmosphere": {
"elevation": 1.025
}
},
"neptune": {
"orbital": {
"tilt": 1.7692,
},
"body": {
"radius": 24764.0,
"distance": 30.047,
"speed": 5.43,
"rotationSpeed": 1.5,
"tilt": 28.32,
"color": "#4289c6",
"map": "neptune.jpg"
},
"atmosphere": {
"elevation": 1.025
}
},
"pluto": {
"orbital": {
"tilt": 17.1418,
},
"body": {
"radius": 1187.0,
"distance": 39.482,
"speed": 4.67,
"rotationSpeed": 0.166,
"tilt": 122.53,
"color": "#947c6c",
"map": "pluto.jpg",
"normalMap": "pluto-normal.jpg"
},
"atmosphere": {
"elevation": 1.025
}
}
};
init();
sceneAnimation();
// Initiating Scene
function init() {
// INIT Scene
// --------------------------------------
scene = new THREE.Scene();
// INIT Camera
// --------------------------------------
camera = new THREE.PerspectiveCamera(50, window.innerWidth / window.innerHeight, 0.15, 500000);
scene.add(camera);
// INIT Renderer
// --------------------------------------
renderer = new THREE.WebGLRenderer({ antialias: true });
renderer.setPixelRatio(window.devicePixelRatio);
renderer.setSize(window.innerWidth, window.innerHeight);
renderer.shadowMap.enabled = true;
renderer.shadowMap.type = THREE.PCFSoftShadowMap;
renderer.toneMapping = THREE.ACESFilmicToneMapping;
renderer.toneMappingExposure = paneOptions.toneMappingExposure;
container = document.getElementById('canvas-container');
container.appendChild(renderer.domElement);
raycaster = new THREE.Raycaster();
mouse = new THREE.Vector2();
// INIT Loader
// --------------------------------------
loader = new THREE.TextureLoader();
// INIT Options
// --------------------------------------
// Lights
addLights();
// Controls
addControls();
// Create celestial bodies
sceneCelestialBodies();
// Create glow around sun
sceneSunshine(solarsystem['sun']);
// Create particles
sceneStars();
// Update renderer and camera when resizing
window.addEventListener('resize', onWindowResize, false);
window.addEventListener('mousemove', mouseVectoring, false);
window.addEventListener('click', function() { intersectClick(bodies); }, false);
// Grid
// helperGrid();
// INIT Story
// --------------------------------------
window.daysInSimulationPast = daysInSimulationPast;
window.simulationNavigate = 'mars';
window.simulationLookAt = 'mars';
// Attach Trigger
document.addEventListener('navigatorAttach', function() {
storyTriggerRewrites();
}, false);
// Look At Trigger
document.addEventListener('navigatorLookAt', function() {
locked = false;
controls.enableZoom = false;
storyTriggerRewrites();
}, false);
// Rendered Trigger
document.addEventListener('renderedObjects', function() {
if (loaded === false) {
console.log('Get ready to explore our solarsystem!');
loaded = true;
$('body').addClass('loaded');
// randomize initial placement
for (let i = 0; i < orbits.length; ++i) {
orbits[i].rotation.y = THREE.MathUtils.randFloatSpread(180) * deg;
}
// Start at "Mars"
const startBody = bodies.filter(b => b.name === 'mars')
// Move to "Mars"
storyTriggerRewrites()
// Detach "Mars" after 4 seconds
setTimeout(function () {
$(`#navigate-to [data-body="${startBody[0].name}"]`).trigger('click');
}, 4000)
}
});
}
// Rendering the scene
function sceneAnimation() {
requestAnimationFrame(sceneAnimation);
// Time
elapsedTime = clock.getElapsedTime()
deltaTime = elapsedTime - oldElapsedTime
oldElapsedTime = elapsedTime
scene.updateMatrixWorld();
// Counting
framesCount++;
simulationTime += deltaTime * window.simulationSpeed
window.simulationSpeedNormalized = deltaTime * window.simulationSpeed
// if one second (times the simulation speed) has passed
if (Math.floor(simulationTime) !== window.daysInSimulationPast) {
// Update days count
window.daysInSimulationPast = Math.floor(simulationTime);
document.dispatchEvent(updateDateEvent);
}
/* Stars Animation
* ------------------------------ */
for (let i = 0; i < particles.length; ++i) {
particles[i].material.opacity = (Math.sin((i + framesCount) * 0.02)) + 1.35;
}
/*
for (let i = 0; i < starColors.length / 3; ++i) {
const i3 = i * 3;
const value = (Math.sin(i + elapsedTime)) + 1.35;
stars.geometry.attributes.color[i3] = Math.abs(Math.sin(i + elapsedTime * 0.2));
stars.geometry.attributes.color[i3 + 1] = Math.abs(Math.sin(i + elapsedTime * 0.2));
stars.geometry.attributes.color[i3 + 2] = Math.abs(Math.sin(i + elapsedTime * 0.2));
stars.geometry.attributes.color.needsUpdate = true;
}
*/
/* Single Orbit Animation
* ------------------------------ */
for (let i = 0; i < orbits.length; ++i) {
let key = Object.keys(solarsystem)[i];
let o = solarsystem[key];
// If orbit around center exists
if (o.body.distance > 0) {
let radius = o.body.distance * AE;
let circum = radius * Math.PI * 2;
let traveledPerDay = o.body.speed * 60 * 60 * 24;
orbits[i].rotation.x = solarsystem[key].orbital.tilt * deg;
orbits[i].rotation.y += (pi2 / circum * traveledPerDay) * window.simulationSpeedNormalized;
}
}
/* Group Body Counter Rotation
* so body isn't tidal locked
* ------------------------------ */
for (let i = 0; i < gBodies.length; ++i) {
let key = Object.keys(solarsystem)[i];
let o = solarsystem[key];
if (i !== 0) {
let radius = o.body.distance * AE;
let circum = radius * Math.PI * 2;
let traveledPerDay = o.body.speed * 60 * 60 * 24;
gBodies[i].rotation.y -= (pi2 / circum * traveledPerDay) * window.simulationSpeedNormalized;
}
}
/* Body Rotation
* ------------------------------ */
for (let i = 0; i < bodies.length; ++i) {
let key = Object.keys(solarsystem)[i];
let o = solarsystem[key];
bodies[i].rotation.y += pi2 * o.body.rotationSpeed * window.simulationSpeedNormalized;
// Atmosphere rotation
if (atmospheres[i] && o.atmosphere.rotationMultiplicator) {
atmospheres[i].rotation.y += pi2 * o.body.rotationSpeed * window.simulationSpeedNormalized * o.atmosphere.rotationMultiplicator;
}
}
/* Story Animations
* ------------------------------ */
if (storyTransition === true) {
bodies.forEach(function(body) {
if (body.name === window.simulationNavigate) {
storyAnimateCameraPosition(body, snapshotTime, 4);
}
if (body.name === window.simulationLookAt) {
storyAnimateCameraRotation(body, snapshotTime, 4);
}
});
}
renderer.render(scene, camera);
}
function addControls() {
controls = new OrbitControls(camera, renderer.domElement);
controls.screenSpacePanning = true;
controls.panSpeed = 0.5;
controls.minDistance = 0;
controls.maxDistance = 4000000;
controls.target.set(0, 0, 0);
controls.update();
}
function sceneCelestialBodies() {
const s = solarsystem;
const sCount = Object.keys(s).length;
for (let i = 0; i < sCount; i++) {
/* Create groups
* ------------------------------ */
let gOrbit = new THREE.Group();
let gBody = new THREE.Group();
// Current body
const key = Object.keys(s)[i];
const o = s[key];
const distance = o.body.distance * AE * km / scale;
const imageFolder = (simulationMode === true && paramsOptions.highRes.toString() === "true") ? 'img/highres/' : 'img/highres-compressed/';
const bodyMap = loader.load(imageFolder + o.body.map);
// Update Mipmapping Filter for crisp images
if (simulationMode === true) {
bodyMap.minFilter = THREE.NearestMipmapNearestFilter;
bodyMap.magFilter = THREE.NearestFilter;
}
/* Create body
* ------------------------------ */
if (key !== 'sun') {
bodyMaterial = new THREE.MeshPhongMaterial({map: bodyMap, color: o.body.color});
bodyMaterial.shininess = 0;
} else {
bodyMaterial = new THREE.MeshBasicMaterial({map: bodyMap, color: o.body.color});
}
// Add normal map if available
if (o.body.normalMap && paramsOptions.highRes.toString() === "true") {
bodyMaterial.normalMap = loader.load(imageFolder + o.body.normalMap);
bodyMaterial.normalScale = new THREE.Vector2(0.2, 0.2);
bodyMaterial.needsUpdate = true
}
bodyGeometry = new THREE.SphereBufferGeometry(o.body.radius * km, 64, 64);
body = bodies[i] = new THREE.Mesh(bodyGeometry, bodyMaterial);
// Tilt
body.rotation.x = o.body.tilt * deg;
// Add to local group
body.name = key;
gBody.add(body);
/* Create atmosphere
* ------------------------------ */
if (o.atmosphere) {
atmosphereGeometry = new THREE.SphereBufferGeometry(o.body.radius * km * o.atmosphere.elevation, 64, 64);
atmosphereMaterial = new THREE.MeshLambertMaterial({color: o.body.color, transparent: true});
atmosphere = atmospheres[i] = new THREE.Mesh(atmosphereGeometry, atmosphereMaterial);
// if has texture : add to material
if (o.atmosphere.map) {
atmosphere.material.color = new THREE.Color(0xbbbbbb);
if (o.atmosphere.transparent) {
atmosphere.material.alphaMap = loader.load(imageFolder + o.atmosphere.map);
} else {
atmosphere.material.map = loader.load(imageFolder + o.atmosphere.map);
}
}
// if simulation mode is activated
if (simulationMode === true) {
// apply real data if available
if (o.atmosphere.map && o.atmosphere.opacity && o.atmosphere.blending) {
atmosphere.material.blending = o.atmosphere.blending;
atmosphere.material.opacity = o.atmosphere.opacity;
} else {
atmosphere.material.blending = 2;
atmosphere.material.opacity = 0.15;
}
} else {
atmosphere.material.blending = 2;
atmosphere.material.opacity = 1;
}
// Tilt
atmosphere.rotation.x = o.body.tilt * deg;
atmosphere.visible = paneOptions.showAtmosphere
// Name and add to local group
atmosphere.name = key + '-atmosphere';
gBody.add(atmosphere);
}
/* Create rings
* ------------------------------ */
if (o.rings) {
ringsGeometry = new THREE.RingBufferGeometry(o.rings.innerRadius * km, o.rings.outerRadius * km, 64, 64);
ringsMaterial = new THREE.MeshLambertMaterial({map: loader.load('img/' + o.rings.map), transparent: true, side: THREE.DoubleSide});
rings = new THREE.Mesh(ringsGeometry, ringsMaterial);
// Tilt
rings.rotation.x = (o.body.tilt + 90) * deg;
// Name and add to local group
rings.name = key + '-rings';
gBody.add(rings);
}
/* Create orbit
* ------------------------------ */
if (o.orbital) {
orbitGeometry = new THREE.TorusBufferGeometry(distance, 0.1, 64, Math.round(distance / 10));
// orbitMaterial = new THREE.MeshBasicMaterial({color: 0xffffff, transparent: true, opacity: 0.33});
orbitMaterial = new THREE.LineBasicMaterial({color: 0xffffff, linewidth: 1});
orbit = new THREE.Mesh(orbitGeometry, orbitMaterial);
orbit.rotation.x = 90 * deg;