bumpMap

process colormap to its bumpMap

by Wai Ting Chen

HTML

<div id="info">bump map</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: #ff12ee;
}

JavaScript

var renderer, geometry, material, mesh, light;
var scene, camera;
var controls;

init();
animate();

function init() {
    scene = new THREE.Scene();
    camera = new THREE.PerspectiveCamera(50, window.innerWidth / window.innerHeight, 0.1, 10000);
    camera.position.z = 500;
    camera.lookAt(new THREE.Vector3(0, 0, 0));

    THREE.ImageUtils.crossOrigin = '';
    var texture = THREE.ImageUtils.loadTexture('http://jyunming-chen.github.io/tutsplus/images/stone.jpg');
    var bumptex = THREE.ImageUtils.loadTexture('http://jyunming-chen.github.io/tutsplus/images/stone_bump2.jpg');
//    var bumptex = THREE.ImageUtils.loadTexture('http://jyunming-//chen.github.io/tutsplus/images/stone_bump.jpg');

    var back = new THREE.Mesh(new THREE.PlaneGeometry(200, 200),
    new THREE.MeshPhongMaterial({
        // map: texture,
        color: 0xf6c4df,
        bumpMap: bumptex,
        bumpScale: 0.8,
        side: THREE.DoubleSide
    }));
    back.doubleSided=true;
    scene.add(back);
    
    var pointLight = new THREE.PointLight(0xffffff);
    pointLight.position.set(0, 300, 200);
    scene.add(pointLight);


    renderer = new THREE.WebGLRenderer();
    renderer.setSize(window.innerWidth, window.innerHeight);
    renderer.setClearColor(0x666666);

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

    document.body.appendChild(renderer.domElement);
}

function animate() {
    controls.update();
    requestAnimationFrame(animate);
    render();
}

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