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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Solar System Simulator</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: #f0f0f0;
overflow: hidden;
}
</style>
</head>
<body>
<script src="build/three.js"></script>
<script src="js/Detector.js"></script>
<script src="js/libs/stats.min.js"></script>
<script src="js/renderers/Projector.js"></script>
<script src="js/renderers/CanvasRenderer.js"></script>
<script src="js/controls/FirstPersonControls.js"></script>
<script src="js/controls/OrbitControls.js"></script>
<script src="js/libs/dat.gui.min.js"></script>
<script>
// - Global variables -
const STARPIC = 'textures/stars.jpg';
const SUNPIC = 'textures/sun.jpg';
const EARTHPIC = 'textures/earth.jpg';
const VENUSPIC = 'textures/venus.jpg';
const MERCURYPIC = 'textures/mercury.jpg';
const MARSPIC = 'textures/mars.jpg';
//const DOGEPIC = 'textures/doge.jpg';
const SATURNPIC = 'textures/saturn.jpg';
const URANUSPIC = 'textures/uranus.png';
const NEPTUNEPIC = 'textures/neptune.jpg';
const JUPITORPIC = 'textures/jupitor.jpg';
const SATURNRINGPIC = 'textures/saturnring.png';
const URANUSRINGPIC = 'textures/uranusring.png';
const PLUTOPIC = 'textures/pluto.jpg';
// Graphics variables
var container, stats;
var camera, controls, scene, renderer;
var txtureLoader;
var clock = new THREE.Clock();
//var orbitController;
var sun, mercury, venus, earth, mars, jupitor, saturn, uranus, neptune, pluto;
var saturn_ring, uranus_ring;
var moon;
// - Main code -
init();
animate();
// - Functions -
// initialize
function init() {
initGraphics();
initGUI();
createObjects();
initInput();
initEventListeners();
}
//initialize event listeners
function initEventListeners() {
/*
renderer.domElement.addEventListener( 'mouseup', onDocumentMouseUp, false );
renderer.domElement.addEventListener( 'mousemove', onDocumentMouseMove, false );
renderer.domElement.addEventListener( 'mousedown', onDocumentMouseDown, false );
*/
window.addEventListener( 'resize', onWindowResize, false );
}
//initialize graphics and background panorama
function initGraphics() {
if ( ! Detector.webgl ) {
Detector.addGetWebGLMessage();
document.getElementById( 'container' ).innerHTML = "";
}
container = document.createElement( 'div' );
document.body.appendChild( container );
camera = new THREE.PerspectiveCamera( 70, window.innerWidth / window.innerHeight, 1, 30000 );
camera.position.z = 0;
camera.position.y = 5500;
scene = new THREE.Scene();
renderer = new THREE.WebGLRenderer( );
//lighting and colors
/*scene.add( new THREE.AmbientLight( 0x505050 ) );
var light = new THREE.SpotLight( 0xffffff, 1.5 );
light.position.set( 0, 500, 2000 );
shadows
light.castShadow = true;
light.shadow = new THREE.LightShadow( new THREE.PerspectiveCamera( 50, 1, 200, 10000 ) );
light.shadow.bias = - 0.00022;
light.shadow.mapSize.width = 2048;
light.shadow.mapSize.height = 2048;
scene.add( light );*/
var ambLight = new THREE.AmbientLight( 0x909090);
var light = new THREE.PointLight( 0xffffff, 2, 10000);
scene.add( ambLight );
scene.add( light );
txtureLoader = new THREE.TextureLoader();
createPanorama();
}
//algorithm to create fish eye panorama
function createPanorama() {
var geometry = new THREE.SphereBufferGeometry( 15000, 15, 15 ).toNonIndexed();
geometry.scale( - 1, 1, 1 );
// Remap UVs
var correction;
var normals = geometry.attributes.normal.array;
var uvs = geometry.attributes.uv.array;
for ( var i = 0, l = normals.length / 3; i < l; i ++ ) {
var x = normals[ i * 3 ];
var y = normals[ i * 3 + 1 ];
var z = normals[ i * 3 + 2 ];
if ( i < l / 2 ) {
correction = ( x == 0 && z == 0 ) ? 1 : ( Math.acos( y ) / Math.sqrt( x * x + z * z ) ) * ( 2 / Math.PI );
uvs[ i * 2 ] = x * ( 404 / 1920 ) * correction + ( 447 / 1920 );
uvs[ i * 2 + 1 ] = z * ( 404 / 1080 ) * correction + ( 582 / 1080 );
} else {
correction = ( x == 0 && z == 0 ) ? 1 : ( Math.acos( - y ) / Math.sqrt( x * x + z * z ) ) * ( 2 / Math.PI );
uvs[ i * 2 ] = - x * ( 404 / 1920 ) * correction + ( 1460 / 1920 );
uvs[ i * 2 + 1 ] = z * ( 404 / 1080 ) * correction + ( 582 / 1080 );
}
}
geometry.rotateZ( - Math.PI / 4 );
//
var texture = new THREE.TextureLoader().load( STARPIC );
texture.format = THREE.RGBFormat;
var material = new THREE.MeshBasicMaterial( { map: texture } );
var mesh = new THREE.Mesh( geometry, material );
scene.add( mesh );
}
//initialize user control
function initInput(){
//first person controls
controls = new THREE.FirstPersonControls( camera );
controls.movementSpeed = 1000;
controls.lookSpeed = 0.100;
controls.lookVertical = true;
controls.enabled = true;
//automatic orbit
//orbitController = new THREE.OrbitControls( camera, renderer.domElement );
//orbitController.enableDamping = true;
//orbitController.dampingFactor = 0.25;
//orbitController.autoRotate = false;
//orbitController.rotateSpeed = 10;
/*
//controls
controls = new THREE.TrackballControls( camera );
controls.rotateSpeed = 2.0;
controls.zoomSpeed = 0.5;
controls.panSpeed = 0.8;
controls.noRotate = false;
controls.noZoom = false;
controls.noPan = false;
controls.staticMoving = true;
controls.dynamicDampingFactor = 0.3;
*/
}
//create planets and stars
function createObjects() {
//sun
txtureLoader.load(SUNPIC, function (texture) {
var geometry_sun = new THREE.SphereGeometry(2000, 40, 40);
var material_sun = new THREE.MeshBasicMaterial({map: texture, overdraw: 0.5});
sun = new THREE.Mesh(geometry_sun, material_sun);
sun.castShadow = true;
sun.receiveShadow = true;
scene.add(sun);
});
//planets
txtureLoader.load(MERCURYPIC, function (texture) {
var geometry = new THREE.SphereGeometry(35, 32, 32);
var material = new THREE.MeshLambertMaterial({map: texture, overdraw: 0.5});
mercury = new THREE.Mesh(geometry, material);
mercury.castShadow = true;
mercury.receiveShadow = true;
mercury.position.x = 2400;
scene.add(mercury);
});
txtureLoader.load(VENUSPIC, function (texture) {
var geometry = new THREE.SphereGeometry(80, 32, 32);
var material = new THREE.MeshLambertMaterial({map: texture, overdraw: 0.5});
venus = new THREE.Mesh(geometry, material);
venus.castShadow = true;
venus.receiveShadow = true;
venus.position.x = 2800;
scene.add(venus);
});
txtureLoader.load(EARTHPIC, function (texture) {
var geometry = new THREE.SphereGeometry(80, 32, 32);
var material = new THREE.MeshLambertMaterial({map: texture, overdraw: 0.5});
earth = new THREE.Mesh(geometry, material);
earth.castShadow = true;
earth.receiveShadow = true;
earth.position.x = 3300;
scene.add(earth);
});
txtureLoader.load(MARSPIC, function (texture) {
var geometry = new THREE.SphereGeometry(70, 32, 32);
var material = new THREE.MeshLambertMaterial({map: texture, overdraw: 0.5});
mars = new THREE.Mesh(geometry, material);
mars.castShadow = true;
mars.receiveShadow = true;
mars.position.x = 3800;
scene.add(mars);
});
txtureLoader.load(JUPITORPIC, function (texture) {
var geometry = new THREE.SphereGeometry(280, 32, 32);
var material = new THREE.MeshLambertMaterial({map: texture, overdraw: 0.5});
jupitor = new THREE.Mesh(geometry, material);
jupitor.castShadow = true;
jupitor.receiveShadow = true;
jupitor.position.x = 5200;
scene.add(jupitor);
});
txtureLoader.load(SATURNPIC, function (texture) {
var geometry = new THREE.SphereGeometry(200, 32, 32);
var material = new THREE.MeshLambertMaterial({map: texture, overdraw: 0.5});
saturn = new THREE.Mesh(geometry, material);
saturn.castShadow = true;
saturn.receiveShadow = true;
saturn.position.x = 7000;
scene.add(saturn);
});
txtureLoader.load(SATURNRINGPIC, function (texture) {
var geometry = new THREE.RingGeometry(220, 420, 32);
geometry.rotateX(Math.PI / 3);
var material = new THREE.MeshLambertMaterial({map: texture, overdraw: 0.5, side: THREE.DoubleSide});
saturn_ring = new THREE.Mesh(geometry, material);
saturn_ring.castShadow = true;
saturn_ring.receiveShadow = true;
saturn_ring.position.x = 7000;
scene.add(saturn_ring);
});
txtureLoader.load(URANUSPIC, function (texture) {
var geometry = new THREE.SphereGeometry(100, 32, 32);
var material = new THREE.MeshBasicMaterial({map: texture, overdraw: 0.5});
uranus = new THREE.Mesh(geometry, material);
uranus.castShadow = true;
uranus.receiveShadow = true;
uranus.position.x = 8400;
scene.add(uranus);
});
txtureLoader.load(URANUSRINGPIC, function (texture) {
var geometry = new THREE.RingGeometry(220, 270, 32);
var material = new THREE.MeshBasicMaterial({map: texture, overdraw: 0.5, side: THREE.DoubleSide});
uranus_ring = new THREE.Mesh(geometry, material);
uranus_ring.rotateX(-Math.PI/3);
uranus_ring.castShadow = true;
uranus_ring.receiveShadow = true;
uranus_ring.position.x = 8400;
scene.add(uranus_ring);
});
txtureLoader.load(NEPTUNEPIC, function (texture) {
var geometry = new THREE.SphereGeometry(100, 32, 32);
var material = new THREE.MeshLambertMaterial({map: texture, overdraw: 0.5});
neptune = new THREE.Mesh(geometry, material);
neptune.castShadow = true;
neptune.receiveShadow = true;
neptune.position.x = 9500;
scene.add(neptune);
});
txtureLoader.load(PLUTOPIC, function (texture) {
var geometry = new THREE.SphereGeometry(80, 32, 32);
var material = new THREE.MeshLambertMaterial({map: texture, overdraw: 0.5});
var angle = (17/180)*Math.PI;
pluto = new THREE.Mesh(geometry, material);
pluto.castShadow = true;
pluto.receiveShadow = true;
pluto.position.x = 10500;
scene.add(pluto);
});
function drawCircles(radius) {
var segments = 64;
var material = new THREE.MeshLambertMaterial({color: 0xFFFFFF});
var geometry = new THREE.CircleGeometry(radius, segments);
geometry.vertices.shift();
geometry.rotateX(Math.PI/2);
scene.add(new THREE.Line(geometry, material));
}
function drawCirclesTilted(radius, theta) {
var segments = 64;
var material = new THREE.MeshLambertMaterial({color: 0xFFFFFF});
var geometry = new THREE.CircleGeometry(radius, segments);
geometry.vertices.shift();
geometry.rotateX((Math.PI/2)-theta);
scene.add(new THREE.Line(geometry, material));
}
drawCircles(2400);
drawCircles(2800);
drawCircles(3300);
drawCircles(3800);
drawCircles(5200);
drawCircles(7000);
drawCircles(8400);
drawCircles(9500);
drawCirclesTilted(10500,(17*Math.PI)/180);
/*
txtureLoader.load( DOGEPIC, function ( texture s) {
var geometry = new THREE.SphereGeometry( 30, 32, 32 );
var material = new THREE.MeshBasicMaterial( { map: texture, overdraw: 0.5 } );
var planet = new THREE.Mesh( geometry, material );
planet.castShadow = true;
planet.receiveShadow = true;
planet.position.x=5000;
scene.add( planet );
} );
*/
//rendering
renderer.setClearColor( 0x000000 );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.sortObjects = false;
container.appendChild( renderer.domElement );
stats = new Stats();
container.appendChild( stats.dom );
}
function initGUI() {
var gui = new dat.GUI();
var folder1 = gui.addFolder( 'Projectile Parameters' );
//folder1.add( effectController, "gravityConstant", 0.0, 1000.0, 0.05 ).onChange( dynamicValuesChanger );
var folder2 = gui.addFolder( 'Static parameters - press restartSimulation' );
//folder2.add( effectController, "radius", 10.0, 1000.0, 1.0 );
//folder2.add( effectController, "mass", 1.0, 50.0, 0.1 );
//folder2.add( effectController, "velocity", 0.0, 150.0, 0.1 );
/*
var buttonRestart = {
restartSimulation: function() {
restartSimulation();
}
};
folder2.add( buttonRestart, 'restartSimulation' );
*/
//folder1.open();
//folder2.open();
}
//event function for resizing window
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
//loop
function animate() {
requestAnimationFrame(animate);
render();
/*
if (orbitController.autoRotate) {
var multiplier = 2;
if (Math.abs(camera.position.y) >= 1000)
multiplier *= -1;
camera.position.y += multiplier;
}
orbitController.update();
*/
stats.update();
}
//loop
var theta = 0;
var rotationSpeed = 0.01;
function render() {
controls.update( clock.getDelta() );
//objects[3].rotation.y += 0.005;
//planet.rotation.y += 0.03;
if (mercury) {
mercury.position.x = 2400 * Math.cos((47.4/5.4)*theta);
mercury.position.z = 2400 * Math.sin((47.4/5.4)*theta);
mercury.rotation.y += rotationSpeed;
mercury.rotation.x += 0.01 * rotationSpeed;
}
if (sun) {
sun.rotation.y += 0.01 * rotationSpeed;
sun.rotation.x += 0.02 * rotationSpeed;
}
if (venus) {
venus.position.x = 2800 * Math.cos((35/5.4)*theta);
venus.position.z = 2800 * Math.sin((35/5.4)*theta);
venus.rotation.y += rotationSpeed;
venus.rotation.x += 0.01 * rotationSpeed;
}
if (earth) {
earth.position.x = 3300 * Math.cos((29.8/5.4)*theta);
earth.position.z = 3300 * Math.sin((29.8/5.4)*theta);
earth.rotation.y += rotationSpeed;
earth.rotation.x += 0.01 * rotationSpeed;
}
if (mars) {
mars.position.x = 3800 * Math.cos((24.1/5.4)*theta);
mars.position.z = 3800 * Math.sin((24.1/5.4)*theta);
mars.rotation.y += rotationSpeed;
mars.rotation.x += 0.01 * rotationSpeed;
}
if (jupitor) {
jupitor.position.x = 5200 * Math.cos((13.1/5.4)*theta);
jupitor.position.z = 5200 * Math.sin((13.1/5.4)*theta);
jupitor.rotation.y += rotationSpeed;
jupitor.rotation.x += 0.01 * rotationSpeed;
}
if (saturn && saturn_ring) {
saturn.position.x = 7000 * Math.cos((9.7/5.4)*theta);
saturn.position.z = 7000 * Math.sin((9.7/5.4)*theta);
saturn_ring.position.x = 7000 * Math.cos((9.7/5.4)*theta);
saturn_ring.position.z = 7000 * Math.sin((9.7/5.4)*theta);
saturn.rotation.y += rotationSpeed;
saturn.rotation.x += 0.01 * rotationSpeed;
saturn_ring.rotation.y += rotationSpeed;
saturn_ring.rotation.x += 0.01 * rotationSpeed;
}
if (uranus && uranus_ring) {
uranus.position.x = 8400 * Math.cos((6.8/5.4)*theta);
uranus.position.z = 8400 * Math.sin((6.8/5.4)*theta);
uranus_ring.position.x = 8400 * Math.cos((6.8/5.4)*theta);
uranus_ring.position.z = 8400 * Math.sin((6.8/5.4)*theta);
uranus.rotation.y += rotationSpeed;
uranus.rotation.x += 0.01 * rotationSpeed;
uranus_ring.rotation.y += rotationSpeed;
uranus_ring.rotation.x += 0.01 * rotationSpeed;
}
if (neptune) {
neptune.position.x = 9500 * Math.cos(theta);
neptune.position.z = 9500 * Math.sin(theta);
neptune.rotation.y += rotationSpeed;
neptune.rotation.x += 0.01 * rotationSpeed;
}
if (pluto) {
pluto.position.x = 10500 * Math.cos(theta);
pluto.position.y = 10500 * Math.sin(theta)*Math.cos((73/180)*Math.PI);
pluto.position.z = 10500 * Math.sin(theta);
pluto.rotation.x += rotationSpeed;
pluto.rotation.y += rotationSpeed;
}
theta += 0.001;
if (theta == Math.PI * 2 - 0.001) {
theta = 0;
pluto.position.x=10500;
pluto.position.y=0;
pluto.position.z=0;
}
renderer.render( scene, camera );
}
</script>
</body>
</html>