skybox (envmap)

with orbitControls, XZgrid, info

by jmchen

HTML

<div id="info">skybox (envmap) demo</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 camera, scene, renderer, light, controls;

init();
animate();

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

    camera = new THREE.PerspectiveCamera(50, window.innerWidth / window.innerHeight, 1, 10000);
    camera.position.z = 500;
    scene.add(camera);

    renderer = new THREE.WebGLRenderer();
    renderer.setSize(window.innerWidth, window.innerHeight);
    renderer.setClearColor(0x880000);

    controls = new THREE.OrbitControls(camera, renderer.domElement);

    document.body.appendChild(renderer.domElement);

    light = new THREE.PointLight(0xffffff);
    light.position.set(100, 300, 200);
    scene.add(light);

    ///////////////////////////////////////////////////////////////////////////
    THREE.ImageUtils.crossOrigin = '';
    // urls of the images, one per half axis
    var urls = [
        'http://i.imgur.com/EnD4hQd.jpg',
        'http://i.imgur.com/tUboeCr.jpg',
        'http://i.imgur.com/nVMAfLw.jpg',
        'http://i.imgur.com/k6UxiiZ.jpg',
        'http://i.imgur.com/yEOMzQg.jpg',
        'http://i.imgur.com/GhEpGuR.jpg'];

    var cubemap = THREE.ImageUtils.loadTextureCube(urls);
    cubemap.format = THREE.RGBFormat;
    // the center piece
    var reflectionMaterial = new THREE.MeshBasicMaterial({
        color: 0xffffff, //0xcccccc,
        envMap: cubemap
    });
    var torus = new THREE.Mesh(
        new THREE.TorusKnotGeometry(60, 20, 100),
        reflectionMaterial);
    scene.add(torus);
    torus.visible = true;

    /////////////////////////////////////////////////////////
    var shader = THREE.ShaderLib["cube"];
    shader.uniforms["tCube"].texture = cubemap;
    var material = new THREE.ShaderMaterial({
        fragmentShader: shader.fragmentShader,
        vertexShader: shader.vertexShader,
        uniforms: shader.uniforms,
        depthWrite: false,
        side: THREE.BackSide
    });
    
    var skybox = new THREE.Mesh(new THREE.BoxGeometry(500, 500, 500), material);
    //scene.add(skybox);
    
    
   ...