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Examples: Add direct USDZ import from export #31665

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mkeblx
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@mkeblx mkeblx commented Aug 17, 2025

Adds an example that immediately exports the scene to USDZ (via USDZExporter), and then imports it via the USDLoader, displaying the result. This serves as I think a useful very quick e2e visual test/spot check and demo of both. It differs from the existing USDZExporter example that exports and saves files to disk.

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I'd rather not change USDZExporter as done here but doesn't matter much. It was required to for the screenshot generation due to deterministic-injection.js messing with fflate's ability to set proper mtime values in the ZIP entries.

@Mugen87
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Mugen87 commented Aug 17, 2025

I was hoping we could test such things via unit tests instead, see #31662.

A verification on scene graph level (like matching hierarchy or material properties) is maybe sufficient?

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