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Utils functions for Mozilla Hubs scripting

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UUtopiah
Last edited Feb 14, 2022
Created on May 20, 2020

This example demonstrates a collection of utility functions for scripting Mozilla Hubs scenes, showing how to manipulate entities, load media assets, and query the scene graph. The code uses the A-Frame and Networked-AFRAME APIs to interact with the Three.js object hierarchy. It includes functions to get user media elements via DOM selectors, load assets from URLs by creating `a-entity` elements with `media-loader` and `networked` components, and find avatars by display name. It also traverses the Three.js scene graph to match objects by partial names, and queries media elements by URL patterns using `querySelectorAll` and regex matching.

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This example shows a Mozilla Hubs scene being cloned into a local A-Frame environment by fetching the room’s `objects.gltf` file. The code parses each node’s `HUBS_components.media.src` to load remote media assets, then creates A-Frame entities with `media-loader`, `networked`, and `pinnable` components, preserving translation, scale, and rotation. It uses the browser’s `fetch` API to retrieve the GLTF JSON and manipulates `AFRAME.scenes[0]` directly. The scene data originates from the Hubs room’s hosted GLTF, demonstrating asset reuse across networked 3D spaces.

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