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feat(assets): procedural planet renders for wiki/GTTR — #779

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7 planet type PNGs (512×512px RGBA) covering all biome_summary values:
temperate, temperate_terminator, oceanic, arid, frozen, volcanic, barren.

Pure Python ray-sphere renderer (spikes/planet-renders/generate_planets.py)
— numpy/PIL only, no Godot dependency, ~2s for all 7 types. Seeded from
body_id for reproducibility. Resolves Q-064 (Godot 3D planet plugin
evaluation — superseded by headless Python approach).

Assets at client/assets/planets/, 512×512 RGBA, displayed at 240×240 in
the body-info-panel navigator and GTTR arrival window.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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jpmschweitzer
2026-04-06 08:19:06 +02:00
co-authored by Claude Sonnet 4.6
parent b5cb93203b
commit 1cffc83dd7
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@@ -109,8 +109,9 @@ Technical foundation questions: engine, protocols, data structures, performance,
---
### Q-064: 3D planet generator for wiki system screenshots
- **Status:** Open
- **Status:** Resolved — answered by #779 (Sprint 32)
- **Question:** Evaluate the Godot 3D Planet Generator (https://github.com/remijean/godot-3d-planet-generator) for generating unique planet visuals per star system in the wiki. Each of the 301 systems could get a procedurally generated planet rendered as a screenshot for its wiki page. Key questions: can we get enough visual variety across 301 systems (different biomes, atmospheres, colors, ring configurations)? Can the generator run headlessly for batch rendering? What's the parameter space — how many distinct-looking planets can it produce? Could the planet configs be seeded from system properties (star class, habitable zone, etc.) for consistency across regenerations?
- **Resolution:** Pure Python ray-sphere renderer (`spikes/planet-renders/generate_planets.py`) replaces the Godot plugin approach. Answers all evaluation criteria: (1) visual variety via biome_summary type × body_id seed = 301 distinct renders, (2) fully headless — no Godot required, ~2s for all 7 types, (3) seeded from system properties for reproducibility. Avoids headless Godot rendering complexity. See `docs/design/planetary-screenshots-spec.md`.
- **Cross-reference:** Wiki system pages (docs/wiki/), world generation pipeline
---