feat: ad-graphic layer — generated posters, billboards and sign columns

The city's flat color sign panels are now real graphic designs, closing
the street-level "graphic density" that anime cities live on:

- tools/generate_ads.py: procedural ad library (24 textures) — bold
  two-tone layouts (diagonal splits, bands, circles, stripes) with
  fake-glyph text blocks that read as kanji/kana from gameplay distance,
  inked borders, seeded palette system
- Every building gets 1-3 street-level posters plastered on its facade
- Vertical sign columns render a stacked-glyph column texture
- Rooftop billboards, tower crown boards (both faces) and the central
  4-face screen tower all show distinct ad graphics
- Posters under the viaduct arches on every pier
- All panels lit (albedo + emission of the same texture) so they glow
  as signage without blooming out

Verified via street capture (glyph posters, pharmacy-cross signs, ad
boards visible down the avenue); movement 11/11, smoke 0 failures,
acoustics ALL PASSED.

Co-Authored-By: Claude Fable 5 <[email protected]>
This commit is contained in:
Nicholas Butzke
2026-07-19 02:44:55 -04:00
co-authored by Claude Fable 5
parent 56db9eea59
commit 648872a16d
26 changed files with 184 additions and 15 deletions
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