<!DOCTYPE html>
<html>
<head>
<title>Example 10.02 - Bump maps</title>
<script type="text/javascript" src="../libs/three.js"></script>
<script type="text/javascript" src="../libs/stats.js"></script>
<script type="text/javascript" src="../libs/dat.gui.js"></script>
<style>
body {
/* set margin to 0 and overflow to hidden, to go fullscreen */
margin: 0;
overflow: hidden;
}
</style>
</head>
<body>
<div id="Stats-output">
</div>
<!-- Div which will hold the Output -->
<div id="WebGL-output">
</div>
<!-- Javascript code that runs our Three.js examples -->
<script type="text/javascript">
// once everything is loaded, we run our Three.js stuff.
function init() {
var stats = initStats();
// create a scene, that will hold all our elements such as objects, cameras and lights.
var scene = new THREE.Scene();
// create a camera, which defines where we're looking at.
var camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 0.1, 1000);
// create a render and set the size
var webGLRenderer = new THREE.WebGLRenderer();
webGLRenderer.setClearColor(new THREE.Color(0xEEEEEE, 1.0));
webGLRenderer.setSize(window.innerWidth, window.innerHeight);
webGLRenderer.shadowMapEnabled = true;
var sphere1 = createMesh(new THREE.BoxGeometry(15, 15, 2), "stone.jpg");
sphere1.rotation.y = -0.5;
sphere1.position.x = 12;
scene.add(sphere1);
var sphere2 = createMesh(new THREE.BoxGeometry(15, 15, 2), "stone.jpg", "stone-bump.jpg");
sphere2.rotation.y = 0.5;
sphere2.position.x = -12;
scene.add(sphere2);
console.log(sphere2.geometry.faceVertexUvs);
var floorTex = THREE.ImageUtils.loadTexture("../assets/textures/general/floor-wood.jpg");
var plane = new THREE.Mesh(new THREE.BoxGeometry(200, 100, 0.1, 30), new THREE.MeshPhongMaterial({
color: 0x3c3c3c,
map: floorTex
}));
plane.position.y = -7.5;
plane.rotation.x = -0.5 * Math.PI;
scene.add(plane);
// position and point the camera to the center of the scene
camera.position.x = 00;
camera.position.y = 12;
camera.position.z = 28;
camera.lookAt(new THREE.Vector3(0, 0, 0));
var ambiLight = new THREE.AmbientLight(0x242424);
scene.add(ambiLight);
var light = new THREE.SpotLight();
light.position.set(0, 30, 30);
light.intensity = 1.2;
scene.add(light);
// add the output of the renderer to the html element
document.getElementById("WebGL-output").appendChild(webGLRenderer.domElement);
// call the render function
var step = 0;
// var polyhedron = createMesh(new THREE.PolyhedronGeometry(vertices, faces, controls.radius, controls.detail));
// setup the control gui
var controls = new function() {
this.bumpScale = 0.2;
this.changeTexture = "weave";
this.rotate = false;
this.changeTexture = function(e) {
var texture = THREE.ImageUtils.loadTexture("../assets/textures/general/" + e + ".jpg");
sphere2.material.map = texture;
sphere1.material.map = texture;
var bump = THREE.ImageUtils.loadTexture("../assets/textures/general/" + e + "-bump.jpg");
sphere2.material.bumpMap = bump;
};
this.updateBump = function(e) {
console.log(sphere2.material.bumpScale);
sphere2.material.bumpScale = e;
}
};
var gui = new dat.GUI();
gui.add(controls, "bumpScale", -2, 2).onChange(controls.updateBump);
gui.add(controls, "changeTexture", ['stone', 'weave']).onChange(controls.changeTexture);
gui.add(controls, "rotate");
render();
function createMesh(geom, imageFile, bump) {
var texture = THREE.ImageUtils.loadTexture("../assets/textures/general/" + imageFile);
geom.computeVertexNormals();
var mat = new THREE.MeshPhongMaterial();
mat.map = texture;
if (bump) {
var bump = THREE.ImageUtils.loadTexture("../assets/textures/general/" + bump);
mat.bumpMap = bump;
mat.bumpScale = 0.2;
console.log('d');
}
// create a multimaterial
var mesh = new THREE.Mesh(geom, mat);
return mesh;
}
function render() {
stats.update();
if (controls.rotate) {
sphere1.rotation.y -= 0.01;
sphere2.rotation.y += 0.01;
}
// sphere1.rotation.y=step+=0.01;
// sphere1.rotation.x=step;
// sphere2.rotation.y=step;
// sphere2.rotation.x=step;
// render using requestAnimationFrame
requestAnimationFrame(render);
webGLRenderer.render(scene, camera);
}
function initStats() {
var stats = new Stats();
stats.setMode(0); // 0: fps, 1: ms
// Align top-left
stats.domElement.style.position = 'absolute';
stats.domElement.style.left = '0px';
stats.domElement.style.top = '0px';
document.getElementById("Stats-output").appendChild(stats.domElement);
return stats;
}
}
window.onload = init;
</script>
</body>
</html>