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@openusd-wasm/utils

v0.0.9

Published

Shared OpenUSD WebAssembly utilities for asset resolution and USDZ packaging workflows.

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Git

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kejunmaokejunmao

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Readme

@openusd-wasm/utils

Shared utilities for browser and worker OpenUSD workflows backed by @openusd-wasm/pxr.

import { toLayerRelativeAssetPath } from '@openusd-wasm/utils'

refs.AddReference(toLayerRelativeAssetPath('assets/gearbox.usdz'), '')

Asset References

When generating USDA files that reference assets written next to the layer, author explicit layer-relative asset paths. OpenUSD treats @assets/model.usdz@ as a search-path asset, while @./assets/model.usdz@ is anchored to the current layer directory and packages without transient 0/model.usdz remap warnings.

Asset Resolution

autoResolveAssetFiles and autoResolveTextureFiles scan USD references and metadata, fetch same-origin relative assets, and return virtual filesystem entries that can be written next to the root layer before opening or packaging with OpenUSD.

extractPackageEntries, findPackageRootLayer, createPackageTextureResolver, and createTextureResolverFromEntries help inspect USDZ packages already written to the pxr virtual filesystem via pxr.Sdf.ZipFile, then map packaged image entries to object URLs.