3JS_Materials

by ikatyang

HTML

<div id="info">demo page</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;
var angle = 0;
var meshes = [];
var size = 15;

init();
animate();

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

    camera = new THREE.PerspectiveCamera(50, window.innerWidth / window.innerHeight, 1, 1000);
    camera.position.z = 500;
    scene.add(camera);

    var materials = [
      new THREE.MeshBasicMaterial(),
      new THREE.MeshNormalMaterial(),
      new THREE.MeshLambertMaterial()      
    ];
    var geometry = new THREE.BoxGeometry(size, size, size);
    
    for (var i = 0; i < materials.length; i++) {
     	var mesh = new THREE.Mesh(geometry, materials[i]);
        mesh.position.setX((i - materials.length / 2) * size * 2);
        scene.add(mesh);
        meshes.push(mesh);
    }

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

    var gridXZ = new THREE.GridHelper(100, 10);
    gridXZ.setColors(new THREE.Color(0xff0000), new THREE.Color(0xffffff));
    scene.add(gridXZ);

    renderer = new THREE.WebGLRenderer();
    renderer.setSize(window.innerWidth, window.innerHeight);
    renderer.setClearColor(0x888888);

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

    document.body.appendChild(renderer.domElement);
    window.addEventListener('resize', onWindowResize, false);
}

function onWindowResize() {
    camera.aspect = window.innerWidth / window.innerHeight;
    camera.updateProjectionMatrix();
    renderer.setSize(window.innerWidth, window.innerHeight);
}

function animate() {
    
    angle += 0.05;
    for (var i = 0; i < meshes.length; i++)
        meshes[i].rotation.y = angle;
    
    controls.update();
    requestAnimationFrame(animate);
    render();
}

function render() {
    renderer.render(scene, camera);
}