A tutorial implementation from this link - http://aerotwist.com/tutorials/getting-started-with-three-js/
A Pen by Manit Singh Kalsi on CodePen.
<script src="https://code.jquery.com/jquery-2.1.3.min.js"></script> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r69/three.min.js"></script> | |
<div id="container"> | |
</div> |
// set the scene size | |
var WIDTH = 400, | |
HEIGHT = 300; | |
// set some camera attributes | |
var VIEW_ANGLE = 45, | |
ASPECT = WIDTH / HEIGHT, | |
NEAR = 0.1, | |
FAR = 10000; | |
// get the DOM element to attach to | |
// - assume we've got jQuery to hand | |
var $container = $('#container'); | |
// create a WebGL renderer, camera | |
// and a scene | |
var renderer = new THREE.WebGLRenderer(); | |
var camera = | |
new THREE.PerspectiveCamera( | |
VIEW_ANGLE, | |
ASPECT, | |
NEAR, | |
FAR); | |
var scene = new THREE.Scene(); | |
// add the camera to the scene | |
scene.add(camera); | |
// the camera starts at 0,0,0 | |
// so pull it back | |
camera.position.z = 300; | |
// start the renderer | |
renderer.setSize(WIDTH, HEIGHT); | |
// attach the render-supplied DOM element | |
$container.append(renderer.domElement); | |
// set up the sphere vars | |
var radius = 50, | |
segments = 16, | |
rings = 16; | |
// create the sphere's material | |
var sphereMaterial = | |
new THREE.MeshLambertMaterial( | |
{ | |
color: 0xCC0000 | |
}); | |
// create a new mesh with | |
// sphere geometry - we will cover | |
// the sphereMaterial next! | |
var sphere = new THREE.Mesh( | |
new THREE.SphereGeometry( | |
radius, | |
segments, | |
rings), | |
sphereMaterial); | |
// add the sphere to the scene | |
scene.add(sphere); | |
// create a point light | |
var pointLight = | |
new THREE.PointLight(0xFFFFFF); | |
// set its position | |
pointLight.position.x = 10; | |
pointLight.position.y = 50; | |
pointLight.position.z = 130; | |
// add to the scene | |
scene.add(pointLight); | |
// draw! | |
renderer.render(scene, camera); | |
// sphere geometry | |
sphere.geometry | |
// which contains the vertices and faces | |
sphere.geometry.vertices // an array | |
sphere.geometry.faces // also an array | |
// its position | |
sphere.position // contains x, y and z | |
sphere.rotation // same | |
sphere.scale // ... same | |
// set the geometry to dynamic | |
// so that it allow updates | |
sphere.geometry.dynamic = true; | |
// changes to the vertices | |
sphere.geometry.verticesNeedUpdate = true; | |
// changes to the normals | |
sphere.geometry.normalsNeedUpdate = true; |
A tutorial implementation from this link - http://aerotwist.com/tutorials/getting-started-with-three-js/
A Pen by Manit Singh Kalsi on CodePen.