artlegend/HANDOFF_2026-06-19.md

Handoff — June 19, 2026

📌 Summary of Progress

In this session, we successfully built and prototyped a fully playable MVP for the Corridor Scroll module using the desktop launcher.

1. Environment & Build Fixes:
   • Installed openjdk@17 via Homebrew and set up Java environment variables.
   • Fixed desktop configuration in desktop/build.gradle.kts by adding the :shared dependency and passing -XstartOnFirstThread to resolve macOS GLFW thread restrictions.
   • Fixed DesktopLauncher.kt to instantiate the new GameHost(ModuleType.LINE_CORRIDOR) setup.
2. Gameplay Improvements (Corridor Scroll):
   • Transformed the static horizontal prototype into a vertical wiggling corridor scrolling from bottom to top.
   • Slower scroll speed (100f px/s) to make drawing manageable.
   • Implemented an organic, unpredictable centerline using composite waves (a slow left-to-right drift combined with faster wiggles).
   • Designed a dynamic corridor width that swells up to 2x and pinches down to 0.5x of its base width as it scrolls.
3. Inputs & Feedback Loop:
   • Added standard desktop mouse/touch drag fallback inside LineCorridorScreen.kt so the game is testable directly on macOS without an emulator.
   • Built a 15-second timer per session.
   • Programmed real-time scoring metrics:
     • Containment: % of drawn points staying within the boundaries.
     • Fill: Shading coverage between boundaries (calculated vertically in bins, normalized by the dynamic width of each bin).
     • Overall: Weighted combination.
   • Added end-game screens displaying scores and a restart prompt (SPACE/TAP to replay).

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🛠️ Current State

• The desktop application compiles and runs successfully using:

  export JAVA_HOME="$(brew --prefix openjdk@17)/libexec/openjdk.jdk/Contents/Home"
  ./gradlew :desktop:run
  

• Gameplay is interactive, responsive, and wiggles/pinches behave as expected.

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📋 Next Steps & Feature Backlog

1. Pretentious Art Critique Commentary ("The Gallery Critique"):
   • We drafted a feature proposal in proposal_commentary.md.
   • Next session can implement ArtArchetype in the :shared module and load corresponding art snob quotes (e.g., from Dr. Alistair Vance or Madame Genevieve) depending on whether the player was too safe (high containment, low fill) or too messy (low containment, high fill).
2. Android & Stylus Integration:
   • Test the Android target and hook up actual S-Pen data (pressure/tilt) via MotionEvent APIs to make sure it handles S-Pen pressure.
3. Additional Modules:
   • Begin development of Phase 2 modules like the Pressure Ramp (matching target pressure curves).