3D Earth

Developer
Bryan Jones
Size
4,480 Kb
Views
68,816
  1. 3D Earth Previews
  2. 3D Earth HTML Codes
  3. 3D Earth CSS Codes
  4. 3D Earth JS Codes

How do I make an 3d earth?

Using THREEjs to create a model of the Earth. Using color, bump, and spec maps to get a more realistic look. I used the base of this program for my International Space Station Tracker. Use your mouse or finger to rotate the scene.. What is a 3d earth? How do you make a 3d earth? This script and codes were developed by Bryan Jones on 13 July 2022, Wednesday.

3D Earth Previews
IQ Test

3D Earth - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>3D Earth</title> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="css/style.css">
</head>
<body> <div id="container"></div> <script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.1/jquery.min.js'></script>
<script src='https://s3-us-west-2.amazonaws.com/s.cdpn.io/123879/three.min.js'></script>
<script src='https://s3-us-west-2.amazonaws.com/s.cdpn.io/123879/OrbitControls.js'></script>
<script src='https://s3-us-west-2.amazonaws.com/s.cdpn.io/123879/DeviceOrientationControls.js'></script>
<script src='https://s3-us-west-2.amazonaws.com/s.cdpn.io/123879/StereoEffect.js'></script> <script src="js/index.js"></script>
</body>
</html>

3D Earth - Script Codes CSS Codes

/** * @file * Basic styling for the program. */
body { background: #000; margin: 0; padding: 0; overflow: hidden;
}

3D Earth - Script Codes JS Codes

/** * @file * The main scene. */
/** * Define constants. */
const TEXTURE_PATH = 'https://s3-us-west-2.amazonaws.com/s.cdpn.io/123879/';
/** * Create the animation request. */
if (!window.requestAnimationFrame) { window.requestAnimationFrame = (function() { return window.mozRequestAnimationFrame || window.msRequestAnimationFrame || window.oRequestAnimationFrame || window.webkitRequestAnimationFrame || function (callback, element) { // 60 FPS window.setTimeout(callback, 1000 / 60); }; })();
}
/** * Set our global variables. */
var camera, scene, renderer, effect, controls, element, container, sphere, sphereCloud, rotationPoint;
var degreeOffset = 90;
var earthRadius = 80;
var getEarthRotation = function() { // Get the current time. var d = new Date(); var h = d.getUTCHours(); var m = d.getUTCMinutes(); // Calculate total minutes. var minutes = h * 60; minutes += m; // Turn minutes into degrees. degrees = minutes/3.9907; // Add an offset to match UTC time. degrees += degreeOffset; return degrees;
}
var degrees = getEarthRotation();
// Calculate Earth's rotation position.
setInterval(function() { // Get the current time. var d = new Date(); var h = d.getUTCHours(); var m = d.getUTCMinutes(); // Calculate total minutes. var minutes = h * 60; minutes += m; // Turn minutes into degrees. degrees = minutes/3.9907; // Add an offset to match UTC time. degrees += degreeOffset;
}, 60000);
init();
animate();
/** * Initializer function. */
function init() { // Build the container container = document.createElement( 'div' ); document.body.appendChild( container ); // Create the scene. scene = new THREE.Scene(); // Create a rotation point. baseRotationPoint = new THREE.Object3D(); baseRotationPoint.position.set( 0, 0, 0 ); scene.add( baseRotationPoint ); // Create world rotation point. worldRotationPoint = new THREE.Object3D(); worldRotationPoint.position.set( 0, 0, 0 ); scene.add( worldRotationPoint ); rotationPoint = new THREE.Object3D(); rotationPoint.position.set( 0, 0, earthRadius * 4 ); baseRotationPoint.add( rotationPoint ); // Create the camera. camera = new THREE.PerspectiveCamera( 45, // Angle window.innerWidth / window.innerHeight, // Aspect Ratio. 1, // Near view. 10000 // Far view. ); rotationPoint.add( camera ); // Build the renderer. renderer = new THREE.WebGLRenderer(); element = renderer.domElement; renderer.setSize( window.innerWidth, window.innerHeight ); renderer.shadowMap.enabled; container.appendChild( element ); // Build the controls. controls = new THREE.OrbitControls( camera, element ); controls.enablePan = true; controls.enableZoom = true; controls.maxDistance = earthRadius * 8; controls.minDistance = earthRadius * 2; controls.target.copy( new THREE.Vector3( 0, 0, -1 * earthRadius * 4 )); function setOrientationControls(e) { if (!e.alpha) { return; } controls = new THREE.DeviceOrientationControls( camera ); controls.connect(); window.removeEventListener('deviceorientation', setOrientationControls, true); } window.addEventListener('deviceorientation', setOrientationControls, true); // Ambient lights var ambient = new THREE.AmbientLight( 0x222222 ); scene.add( ambient ); // The sun. var light = new THREE.PointLight( 0xffeecc, 1, 5000 ); light.position.set( -400, 0, 100 ); scene.add( light ); // Since the sun is much bigger than a point of light, add four fillers. var light2 = new THREE.PointLight( 0xffffff, 0.6, 4000 ); light2.position.set( -400, 0, 250 ); scene.add( light2 ); var light3 = new THREE.PointLight( 0xffffff, 0.6, 4000 ); light3.position.set( -400, 0, -150 ); scene.add( light3 ); var light4 = new THREE.PointLight( 0xffffff, 0.6, 4000 ); light4.position.set( -400, 150, 100 ); scene.add( light4 ); var light5 = new THREE.PointLight( 0xffffff, 0.6, 4000 ); light5.position.set( -400, -150, 100 ); scene.add( light5 ); // Add the Earth sphere model. var geometry = new THREE.SphereGeometry( earthRadius, 128, 128 ); // Create the Earth materials. loader = new THREE.TextureLoader(); loader.setCrossOrigin( 'https://s.codepen.io' ); var texture = loader.load( TEXTURE_PATH + 'ColorMap.jpg' ); var bump = null; bump = loader.load( TEXTURE_PATH + 'Bump.jpg' ); var spec = null; spec = loader.load( TEXTURE_PATH + 'SpecMask.jpg' ); var material = new THREE.MeshPhongMaterial({ color: "#ffffff", shininess: 5, map: texture, specularMap: spec, specular: "#666666", bumpMap: bump, }); sphere = new THREE.Mesh( geometry, material ); sphere.position.set( 0, 0, 0 ); sphere.rotation.y = Math.PI; // Focus initially on the prime meridian. sphere.rotation.y = -1 * (8.7 * Math.PI / 17); // Add the Earth to the scene.https://s3-us-west-2.amazonaws.com/s.cdpn.io/123879/Bump.jpg worldRotationPoint.add( sphere ); // Add the Earth sphere model. var geometryCloud = new THREE.SphereGeometry( earthRadius + 0.2, 128, 128 ); loader = new THREE.TextureLoader(); loader.setCrossOrigin( 'https://s.codepen.io' ); var alpha = loader.load( TEXTURE_PATH + "alphaMap.jpg" ); var materialCloud = new THREE.MeshPhongMaterial({ alphaMap: alpha, }); materialCloud.transparent = true; sphereCloud = new THREE.Mesh( geometryCloud, materialCloud ); scene.add( sphereCloud ); // Create a glow effect. loader = new THREE.TextureLoader(); loader.setCrossOrigin( 'https://s.codepen.io' ); var glowMap = loader.load( TEXTURE_PATH + "glow.png" ); // Create the sprite to add the glow effect. var spriteMaterial = new THREE.SpriteMaterial({ map: glowMap, color: 0x0099ff, transparent: false, blending: THREE.AdditiveBlending }); var sprite = new THREE.Sprite( spriteMaterial ); sprite.scale.set( earthRadius * 2.5, earthRadius * 2.5, 1.0); sphereCloud.add(sprite); // Add the skymap. addSkybox(); window.addEventListener('resize', onWindowResize, false);
}
/** * Events to fire upon window resizing. */
function onWindowResize() { camera.aspect = window.innerWidth / window.innerHeight; camera.updateProjectionMatrix(); renderer.setSize(window.innerWidth, window.innerHeight);
}
/** * Add the sun to the scene. */
function createSun() { // Add the Sun sphere model. var sunGeometry = new THREE.SphereGeometry( 100, 16, 16 ); // Create the Sun materials. var sunMaterial = new THREE.MeshLambertMaterial({ color: '#ffff55', emissive: '#ffff55', }); sun = new THREE.Mesh( sunGeometry, sunMaterial ); sun.castShadow = false; sun.receiveShadow = false; sun.position.set( -9500, 0, 0 ); sun.rotation.y = Math.PI; // Add the Sun to the scene. scene.add( sun );
}
createSun();
/** * Updates to apply to the scene while running. */
function update() { camera.updateProjectionMatrix(); worldRotationPoint.rotation.y = degrees * Math.PI/180; sphereCloud.rotation.y += 0.00025; baseRotationPoint.rotation.y -= 0.00025;
}
/** * Render the scene. */
function render() { renderer.render(scene, camera);
}
/** * Animate the scene. */
function animate() { requestAnimationFrame(animate); update(); render();
}
function addSkybox() { var urlPrefix = TEXTURE_PATH; var urls = [ urlPrefix + 'test.jpg', urlPrefix + 'test.jpg', urlPrefix + 'test.jpg', urlPrefix + 'test.jpg', urlPrefix + 'test.jpg', urlPrefix + 'test.jpg', ]; var loader = new THREE.CubeTextureLoader(); loader.setCrossOrigin( 'https://s.codepen.io' ); var textureCube = loader.load( urls ); textureCube.format = THREE.RGBFormat; var shader = THREE.ShaderLib[ "cube" ]; shader.uniforms[ "tCube" ].value = textureCube; var material = new THREE.ShaderMaterial( { fragmentShader: shader.fragmentShader, vertexShader: shader.vertexShader, uniforms: shader.uniforms, depthWrite: false, side: THREE.BackSide } ); var geometry = new THREE.BoxGeometry( 2000, 2000, 2000 ); var skybox = new THREE.Mesh( geometry, material ); //skybox.position.x = -30; scene.add( skybox );
}
3D Earth - Script Codes
3D Earth - Script Codes
Home Page Home
Developer Bryan Jones
Username bartuc
Uploaded July 13, 2022
Rating 4.5
Size 4,480 Kb
Views 68,816
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