tube geometry

for senior projects

HTML

<div id="info">TubeGeometry</div>
<script src="http://cdnjs.cloudflare.com/ajax/libs/three.js/r70/three.min.js"></script>
<script src="https://dl.dropboxusercontent.com/u/3587259/Code/Threejs/OrbitControls.js">
    
</script>

CSS

#info {
    position: absolute;
    top: 0px;
    width: 100%;
    padding: 10px;
    text-align: center;
    color: #ffff00
}
body {
    overflow: hidden;
}

JavaScript

var scene, camera, webGLRenderer, spGroup, tubeMesh;
var light;
var controls;
var numberOfPoints = 5,
    segments = 64,
    radius = 6,
    radiusSegments = 12,
    closed = false,
    points = [];

var headPos = new THREE.Vector3 (0,300,400);


init();
render();

function init() {
    scene = new THREE.Scene();

    camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 0.1, 1000);

    // create a render and set the size
    webGLRenderer = new THREE.WebGLRenderer();
    webGLRenderer.setClearColor(new THREE.Color(0xEEEEEE, 1.0));
    webGLRenderer.setSize(window.innerWidth, window.innerHeight);

    // position and point the camera to the center of the scene
    camera.position.set (0, 200, 300);
    camera.lookAt(new THREE.Vector3(10, 0, 0));
 
    light = new THREE.PointLight(0xffffff);
    light.position.set(100, 300, 200);
    scene.add(light);

    // add the output of the renderer to the html element
    document.body.appendChild(webGLRenderer.domElement);

    points = [];
    for (var i = 0; i < numberOfPoints; i++) {
        var randomX = -20 + Math.round(Math.random() * 150);
        var randomY = -15 + Math.round(Math.random() * 140);
        var randomZ = -20 + Math.round(Math.random() * 140);

        randomY = i*numberOfPoints/2*10 + -50;
            randomZ = 0;
        randomX = 15*Math.sin(numberOfPoints*i);
        points.push(new THREE.Vector3(randomX, randomY, randomZ));
//        console.log (randomX + ", " + randomY + ", " + randomZ);
    }


    generatePoints(points, segments, radius, radiusSegments, closed);
    controls = new THREE.OrbitControls(camera, webGLRenderer.domElement);
}


function generatePoints(points, segments, radius, radiusSegments, closed) {
    // add n random spheres
    spGroup = new THREE.Object3D();
    var material = new THREE.MeshBasicMaterial({
        color: 0xff0000,
        transparent: false
    });
    points.forEach(function (point) {
        var spGeom = new...