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d409d55615
- BG_STYLES port (off/particles/lights/geometric) into a renderOrder -1 group; _bgGetAnalyser/_bgReadBands (stems-first, one-shot #audio fallback, permanent-failure latch, 5ms bands cache); Ambience intensity slider + Audio-reactive toggle; remounts on style/intensity/ palette change and across kit-change scene rebuilds - Score-FX overlay canvas (guitar drawScoreFx adapted to internal scoring): +1 pops at the struck lane, ring pulse every 10-combo, milestone bursts at 25/50/100, red wash on 3+ streak break; pooled, cleared when idle, removed in teardown - butterchurn/image/video deliberately out of scope - Tests: style id validation + FX defaults (15 total) Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
101 lines
4.6 KiB
Markdown
101 lines
4.6 KiB
Markdown
# 3D Drum Highway — Mockup
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An exploratory **pure-visual** sibling of `highway_3d`. Renders an 8-lane
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drum highway (7 lanes for hand pieces + a full-width kick bar) populated
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from a hardcoded demo pattern that loops indefinitely. Not yet wired to
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song data, hit detection, audio, or note_detect — this is here to play
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with the look-and-feel.
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To see it, load any song in the player, then pick **3D Drum Highway**
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from the viz picker. The mockup animates regardless of what song is
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playing.
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## Layout
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```
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[HH] [SNR] [TM1] [TM2] [FT] [CR] [RD] <- 7 lanes, left to right
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| | | | | | |
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v v v v v v v
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----- hit line -----------------------------
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▓▓▓▓▓▓▓▓▓▓▓▓▓ KICK BAR ▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓ <- full-width kick lane
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```
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- **Drums** (snare, toms, floor tom): flat disc geometry (`CylinderGeometry`),
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palette-tinted, with subtle emissive pulse on approach. Snare gets a
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thin white "wires" stripe.
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- **Cymbals** (hi-hat, crash, ride): faceted gem geometry (truncated
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`CylinderGeometry`), metallic material, slightly translucent.
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- **Kick**: full-width amber bar across the base, brighter on approach.
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## Variants visible in the demo
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| Variant | How it reads |
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|---|---|
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| `accent` | Bigger note + white halo ring |
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| `ghost` | Hollow ring (~65% size) instead of a solid disc |
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| `flam` | Main note + a small grace disc offset slightly before |
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| `bell` | Ride only — adds a bright dot in the center of the gem |
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The **Fill showcase** demo pattern fires every variant at least once in
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a few bars, plus a tom roll down the kit. Best read of what's possible.
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## Settings (Settings → Plugins → 3D Drum Highway)
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- **Palette** — shared 3 palettes with `highway_3d` (default / neon / pastel).
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- **Demo pattern** — rock backbeat / jazz swing / fill showcase.
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- **Camera angle** — 0 (down the lanes) to 1 (top-down). Default 0.35.
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All settings persist in `localStorage` under the `drum_h3d_*` prefix.
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## What this plugin is *not* doing yet
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(Historical note: this started as a pure-visual mockup; it now reads
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`bundle.drumTab` + `bundle.currentTime` and scores MIDI hits against the
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chart, so the old "no song-data wiring" caveats are gone.)
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- Sustain trails (drums don't sustain meaningfully)
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- Sticking labels, double kick, rolls — see the TODOs in `screen.js`
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for the variant backlog
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## Ported helpers (keep in sync with highway_3d)
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Visual-parity code copied from `plugins/highway_3d/screen.js` — same
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function names, signatures, and constants on purpose, marked with
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`PORTED FROM highway_3d` comments at each site. If the guitar highway
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tunes one of these, mirror the change here (and in `keys_highway_3d`):
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- `_bloomEnsure()` / `_bloomDispose()` — EffectComposer + UnrealBloomPass
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(0.65/0.5/0.82) on a multisampled HalfFloat target, ACES↔None tone-
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mapping switch in `draw()`; addons dynamic-imported from
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`/static/vendor/three/addons/` (no CDN fallback — direct render is the
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graceful degrade)
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- `_sparkBurst()` / `_sparkUpdate()` — pooled additive Points hit sparks
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(pool 160 here vs the guitar's 256)
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- `_makeGaussTex()` — soft-falloff DataTexture for the additive lane-flash
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quads
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- `_timingHex()` — early/late/on-time feedback colors (green/cyan/amber)
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- `_ssActive()` — host splitscreen probe (minus the guitar's focus-API
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checks, which it needs for input routing and we don't)
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- `BG_THEMES` / `_bgThemeColors()` — the scene theme table (same ids/values
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as the guitar's, except `default` which is this plugin's original
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palette); one pick drives both of the guitar's background/highway axes
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- `_applyCinematic()` — ambient/key rebalance (values tuned per plugin)
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- `BG_STYLES` (off/particles/lights/geometric) + `_bgGetAnalyser()` /
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`_bgReadBands()` — background ambience + the stems-first audio-analyser
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bridge (guitar's diagnostics plumbing dropped; butterchurn/image/video
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out of scope)
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- `_drawScoreFx()` — the guitar's drawScoreFx overlay adapted to this
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plugin's internal scoring (pops / tier rings / milestone bursts /
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streak-break wash)
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## Why a separate plugin (vs. drum mode inside highway_3d)?
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Cleaner iteration. The drum highway is its own geometry, its own
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gameplay assumptions (lanes ≠ strings, no frets, no chord shapes,
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no sustains), and likely its own chart format. Forking the visuals
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in a sibling plugin lets the mockup move fast without risking
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regressions in the guitar viz that ships today. If the drum highway
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eventually matures, we can decide whether to merge or keep separate.
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