xzero-js

v1.2.1

Published

3 months ago

Xzero JS is a modern JavaScript library (ES6 module) for displaying 3D models, scenes and 360° panoramas on the web. Just use the <xzero-js> element to get started.

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XzeroJS

Xzero JS

Xzero JS is a modern JavaScript library (ES6 module) for displaying 3D models, scenes and 360° panoramas on the web. Just use the <xzero-js> element to get started. Our full documentation can be found HERE.

<xzero-js src="model.gltf" loading="lazy"></xzero-js>

Features

Only one file to load, no dependencies! < 250 KB (gzipped)
Support for GLTF/GLB, FBX, OBJ and STL, with PBR, environment maps and Draco
View modes: orbit and look around, constrainable angles of view
Effects without effort, just turn them on: soft shadows and reflections
Fully interactive, make 3D objects in your scene hoverable and clickable
Easy to use with attributes, properties and events as with native HTML elements
Cross-browser and mobile compatible, responsive, works in WebViews
Pin HTML elements to 3D positions to use them as hotspots or labels.
Play/control the animation of the model, animate the view and every property
Many examples of common use cases like swapping materials and navigating the scene
Based on the THREE.js library for WebGL

Installation

Load the script and add the HTML element to your page.

CDN

<script type="module" src="https://cdn.jsdelivr.net/npm/[email protected]/xzero.min.js"></script>

NPM

npm i xzero-js

import * as XzeroJS from "xzero-js";

ES6 module import

Instead of loading the module with a separate <script type="module"> tag you can import it to your existing script module:

import * as XzeroJS from "./xzero.min.js";

Or you can import the module dynamically only when needed. The following snippet checks for the presence of a element on the page and imports the module if one is found.

<script type="module">
if ( document.querySelector('xzero-js') ) {
	import( './xzero.min.js' );
}
</script>

Plugins

import { Animations } from "./core/Animations.js";
import { AutoRotation } from "./core/AutoRotation.js";
import { ElementObserver } from "./core/ElementObserver.js";
import { ModelLoader } from "./core/ModelLoader.js";
import { Overlays } from "./core/Overlays.js";
import { SoftReflection } from './core/SoftReflection.js';
import { SoftShadow } from './core/SoftShadow.js';
import { OrbitControls } from "./three/OrbitControls.mod.js";

Getting Started

Attributes/Properties

Attributes are specified in the HTML element code like <xzero-js attribute-name="value"></xzero-js>

Properties can be accessed with JavaScript code like element.propertyName = "value"; Property names are in "camelCase"!

BASICS

src (source)

The source URL of the 3D file. All resources (like textures) should be in the same directory unless you specify a resource-path. See the supported file types.

<xzero-js id="example" src="assets/model.fbx"></xzero-js>
					
<button onclick="document.getElementById('example').src='assets/origami.stl';">
	Change src
</button>

resource-path

Defines a path from which all resources (like textures) are loaded.

draco-path

This setting only affects Draco-compressed GLTF files. The Draco decoder files are loaded from this path.

If draco-path is not set, the "draco" directory should be in the same directory as the 3D model. For example: If src is /assets/3d/my-model.gltf, the draco files should be at /assets/3d/draco/

env (environment)

URL to an environment map for material reflectivity or use as panorama background. The image must be in equirectangular projection and the dimensions should be a power of two: 256x128, 512x256, 1024x512, 2048x1024 or 4096x2048 pixels. See Reflectivity.

<xzero-js src="assets/model.fbx" env="assets/environment.jpg" autorotate></xzero-js>

If src is not set, the image is displayed as panorama background.

env-background

Whether the environment map is displayed as panorama background.

<xzero-js src="assets/model.fbx" env="assets/environment.jpg" env-background elevation-limit="-90 90" autorotate></xzero-js>

If src is not set, the image is displayed as panorama background.

ratio

If the height of the <xzero-js> element is not set by CSS styles, the height is determined by its width and this aspect ratio.

<xzero-js style="display:inline-block" src="assets/model.fbx" ratio="3:2"></xzero-js>
<xzero-js style="display:inline-block" src="assets/model.fbx" ratio="16:9"></xzero-js>

autorotate

Whether the direction of view rotates over time.

<xzero-js src="assets/model.fbx" elevation="45" autorotate autorotate-delay="1" autorotate-speed="1.5" autorotate-elevation="0"></xzero-js>

autorotate-delay

Specifies the duration after which autorotate starts or resumes after an interruption.

autorotate-speed

Specifies the speed of the rotation. You can use a negative factor to reverse the rotation direction.

autorotate-elevation

Whether the elevation rotates towards this value.

debug

Displays 3D axes and helpful information for setup and development. Logs information about the object hierarchy and materials in the developer console.

<xzero-js src="assets/model.fbx" debug zoomable></xzero-js>

Documentation

Read our full documentation