acdream/docs
Erik fcaff71352 docs(A.5): two-tier streaming + horizon LOD design spec
Brainstorm output for Phase A.5. Locks key decisions:
- Hardware target: 240 Hz / 1440p, 4.166ms vsync budget
- Tier radii: N₁=4 (full detail, 81 LBs), N₂=12 (terrain only, 544 LBs)
- Far-tier strategy: terrain-only + fog blend at N₁ (zero engineering cost)
- Bucketing: tighten existing per-LB walk (Q5 Option A); persistent
  groups deferred to a later phase
- Worker thread: single-thread mesh build off render path (Q6 Option A)
- Hysteresis: existing radius+2 convention applied to both tiers
- Visual ride-alongs: mipmaps + anisotropic + A2C/MSAA + depth-write audit
- Acceptance: 240Hz standstill / 144 FPS walking (Q9 Option B)

Spec at docs/superpowers/specs/2026-05-09-phase-a5-two-tier-streaming-design.md.
Awaiting user review before transitioning to writing-plans.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-09 21:52:00 +02:00
..
architecture docs(architecture): WorldBuilder inventory + CLAUDE.md alignment 2026-05-08 08:31:03 +02:00
audit docs: update audit — Sprint 1 items verified (sequence counters + scenery LCG) 2026-04-13 13:51:39 +02:00
plans docs(N.5b T10): roadmap + ISSUES + CLAUDE.md + perf baseline updates 2026-05-09 13:03:14 +02:00
research docs(A.5): cold-start handoff for the next session 2026-05-09 21:11:46 +02:00
superpowers docs(A.5): two-tier streaming + horizon LOD design spec 2026-05-09 21:52:00 +02:00
bugs.md docs: update bugs.md — close BUG-002/003/004, add BUG-005/006/007 2026-04-14 12:17:31 +02:00
ISSUES.md docs(N.5b T10): roadmap + ISSUES + CLAUDE.md + perf baseline updates 2026-05-09 13:03:14 +02:00