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Add the Zero-Day large-scene example - #25371

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stuartparmenter:zero-day-example
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Add the Zero-Day large-scene example#25371
stuartparmenter wants to merge 1 commit into
bevyengine:mainfrom
stuartparmenter:zero-day-example

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@stuartparmenter

@stuartparmenter stuartparmenter commented Aug 11, 2026 •
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Objective

  • Add zero_day as a Solari large-scene example for testing / demos

Solution

  • Build script to convert original fbx assets to glb
  • Build app to load assets, run animations and follow original camera

Testing

  • Convert assets, run it.
  • Has had a number of people using this for last couple of months

This PR was built by me with the assistance of Claude Code w/ Fable 5

@stuartparmenter
Add the Zero-Day large-scene example
8de6d00 
Beeple's "Zero-Day" sci-fi corridor (NVIDIA ORCA), path-traced with Bevy
Solari. The scene has no punctual lights: approximately 10,000 emissive
triangles give all of the light, which only a path tracer can resolve.

The example plays the animation of the film and follows its camera, fakes the
procedural emissive pulsing that no ORCA measure exports, and adds a HUD and a
`B` benchmark over one flythrough loop. `--merge-animations` combines the
thousands of per-object clips that the Blender exporter writes into one.

`convert.py` re-exports an ORCA `.fbx` as one self-contained `.glb`: it builds
the materials again from the ORCA naming convention, deletes the meshes that
the FBX marks as hidden, and prepares the meshes for Solari.

Comments and docs follow ASD-STE100 Simplified Technical English.
@alice-i-cecile alice-i-cecile added A-Rendering Drawing game state to the screen C-Examples An addition or correction to our examples S-Needs-Review Needs reviewer attention (from anyone!) to move forward labels Aug 12, 2026
@github-project-automation github-project-automation Bot moved this to Needs SME Triage in Rendering Aug 12, 2026
@alice-i-cecile alice-i-cecile added X-Contentious There are nontrivial implications that should be thought through D-Straightforward Simple bug fixes and API improvements, docs, test and examples labels Aug 12, 2026
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@pcwalton pcwalton Awaiting requested review from pcwalton
@JMS55 JMS55 Awaiting requested review from JMS55
@mate-h mate-h Awaiting requested review from mate-h

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A-Rendering Drawing game state to the screen C-Examples An addition or correction to our examples D-Straightforward Simple bug fixes and API improvements, docs, test and examples S-Needs-Review Needs reviewer attention (from anyone!) to move forward X-Contentious There are nontrivial implications that should be thought through

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Rendering
Status: Needs SME Triage

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@stuartparmenter @alice-i-cecile