GLTF transform texture atlas

Browser only compatible @gltf-transform/core function to create texture atlasses (best effor to keep the models unchanged)

Installation

npm i gltf-transform-atlas

Usage

import { dedup, flatten, join, prune } from '@gltf-transform/functions';
import { createTextureAtlas } from "gltf-transform-atlas"

/**
 * Example optimization pipeline implemented with the glTF Transform API + atlas compression
 * See https://gltf-transform.dev/ for full functionality.
 */

await document.transform(
  flatten(),
  createTextureAtlas({
    atlasSize: 2048,
    textureBorder: 16,
  }),
  dedup(), /* These functions after the atlas are important to lower draw calls, as the atlasser just join textures and materials, but do not join them automatically */
  prune(),
  join({ keepNamed: false })
);