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webgl_layers.html
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Verge3D webgl - layers</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<link type="text/css" rel="stylesheet" href="main.css">
<style>
body {
background-color: #f0f0f0;
color: #444;
}
a {
color: #08f;
}
</style>
</head>
<body>
<div id="info">
<a href="https://www.soft8soft.com/verge3d" target="_blank" rel="noopener">Verge3D</a> - webgl layers
</div>
<!-- Import maps polyfill -->
<!-- Remove this when import maps will be widely supported -->
<script async src="https://unpkg.com/es-module-shims@1.3.6/dist/es-module-shims.js"></script>
<script type="importmap">
{
"imports": {
"v3d": "../build/v3d.module.js",
"v3d/addons/": "./jsm/"
}
}
</script>
<script type="module">
import * as v3d from 'v3d';
import Stats from 'v3d/addons/libs/stats.module.js';
import { GUI } from 'v3d/addons/libs/lil-gui.module.min.js';
let container, stats;
let camera, scene, renderer;
let theta = 0;
const radius = 100;
init();
animate();
function init() {
container = document.createElement('div');
document.body.appendChild(container);
camera = new v3d.PerspectiveCamera(70, window.innerWidth / window.innerHeight, 1, 10000);
camera.layers.enable(0); // enabled by default
camera.layers.enable(1);
camera.layers.enable(2);
scene = new v3d.Scene();
scene.background = new v3d.Color(0xf0f0f0);
const light = new v3d.PointLight(0xffffff, 1);
light.layers.enable(0);
light.layers.enable(1);
light.layers.enable(2);
scene.add(camera);
camera.add(light);
const colors = [0xff0000, 0x00ff00, 0x0000ff];
const geometry = new v3d.BoxGeometry(20, 20, 20);
for (let i = 0; i < 300; i++) {
const layer = (i % 3);
const object = new v3d.Mesh(geometry, new v3d.MeshLambertMaterial({ color: colors[layer] }));
object.position.x = Math.random() * 800 - 400;
object.position.y = Math.random() * 800 - 400;
object.position.z = Math.random() * 800 - 400;
object.rotation.x = Math.random() * 2 * Math.PI;
object.rotation.y = Math.random() * 2 * Math.PI;
object.rotation.z = Math.random() * 2 * Math.PI;
object.scale.x = Math.random() + 0.5;
object.scale.y = Math.random() + 0.5;
object.scale.z = Math.random() + 0.5;
object.layers.set(layer);
scene.add(object);
}
renderer = new v3d.WebGLRenderer();
renderer.setPixelRatio(window.devicePixelRatio);
renderer.setSize(window.innerWidth, window.innerHeight);
container.appendChild(renderer.domElement);
stats = new Stats();
container.appendChild(stats.dom);
const layers = {
'toggle red': function() {
camera.layers.toggle(0);
},
'toggle green': function() {
camera.layers.toggle(1);
},
'toggle blue': function() {
camera.layers.toggle(2);
},
'enable all': function() {
camera.layers.enableAll();
},
'disable all': function() {
camera.layers.disableAll();
}
};
//
// Init gui
const gui = new GUI();
gui.add(layers, 'toggle red');
gui.add(layers, 'toggle green');
gui.add(layers, 'toggle blue');
gui.add(layers, 'enable all');
gui.add(layers, 'disable all');
window.addEventListener('resize', onWindowResize);
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize(window.innerWidth, window.innerHeight);
}
//
function animate() {
requestAnimationFrame(animate);
render();
stats.update();
}
function render() {
theta += 0.1;
camera.position.x = radius * Math.sin(v3d.MathUtils.degToRad(theta));
camera.position.y = radius * Math.sin(v3d.MathUtils.degToRad(theta));
camera.position.z = radius * Math.cos(v3d.MathUtils.degToRad(theta));
camera.lookAt(scene.position);
renderer.render(scene, camera);
}
</script>
</body>
</html>