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playableintelligence__game-…/examples/trump-vs-biden/progress.md
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rshtirmer eaa818074e refactor: unify site build + consolidate folder structure 
Reduce top-level directories from 19 to 14 and unify the two
disconnected site pages into a single build script.

Site unification:
- gallery/ → site/ (manifest.json, build.js, thumbnails/, telemetry/)
- New unified site/build.js generates both _site/index.html (landing)
  and _site/gallery/index.html (gallery) with shared CSS, nav, footer
- Landing page game cards are now data-driven from manifest (no drift)
- Optional benchmarks section renders when site/benchmarks.json exists
- npm run build:site produces the whole _site/

Directory consolidation:
- character-library/ + 3d-character-library/ → assets/characters/ + assets/3d-characters/
- evals/ → tests/ (trigger files, flows, README)
- docs/troubleshooting.md → TROUBLESHOOTING.md
- benchmarks/ deleted (empty)

All references updated across ~15 files (CLAUDE.md, skills, templates,
package.json, examples).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-13 17:14:22 -04:00

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Progress

Game Concept

  • Name: trump-vs-biden
  • Engine: Three.js (3D)
  • Description: 3D arena battle — player controls Trump, throws projectiles at AI-controlled Biden. Dodge Biden's attacks, score on hits, game over when health depletes.

Step 1: Scaffold

  • Entities: Player.js (Trump), Opponent.js (Biden), Projectile.js, ProjectileManager.js
  • Events: GAME_START, GAME_OVER, GAME_RESTART, PLAYER_THROW, PLAYER_HIT, PLAYER_MOVE, OPPONENT_THROW, OPPONENT_HIT, HEALTH_CHANGED, SCORE_CHANGED, COMBO_CHANGED, SPECTACLE_ENTRANCE/ACTION/HIT/COMBO/STREAK/NEAR_MISS, AUDIO_INIT, MUSIC_MENU/GAMEPLAY/GAMEOVER/STOP
  • Constants keys: GAME, SAFE_ZONE, ARENA, PLAYER, OPPONENT, PROJECTILE, CAMERA, COLORS, SCORING, TRUMP_CLIPS, BIDEN_CLIPS, ASSET_PATHS, MODEL_CONFIG
  • Scoring system: +1 per Biden hit, combo bonus (+2) at 3+ consecutive hits within 3s timeout
  • Fail condition: Health drops to 0 (starts at 5 hearts)
  • Input scheme: A/D or Arrow keys for left/right dodge, Space to throw. Touch: left/right halves for movement, quick tap to throw.

Characters (3D)

  • Trump (player): Tier 1 — pre-built in assets/3d-characters (idle/clap/dance/point/talk/twist)
  • Biden (opponent): Tier 1 — pre-built in assets/3d-characters (idle only)

Decisions / Known Issues

  • Both models are "gesture" type (no walk/run) — characters slide while playing idle animation
  • Trump facing offset: Math.PI (faces -Z by default)
  • Biden facing offset: Math.PI (configured in MODEL_CONFIG)
  • Placeholder colored boxes used until Step 1.5 loads GLB models
  • HUD hearts/score positioned in Play.fun safe zone area — will adjust during SDK integration

Step 2: Design (Visual Polish)

  • New file: src/systems/EffectsSystem.js — centralized visual effects system wired entirely through EventBus
  • New constants: EFFECTS object added to Constants.js with 40+ tuning values for particles, camera shake, flash, trails, combo text, slow-mo, entrance animation, and arena glow

Effects implemented

  1. Opening moment: White camera flash on game start + characters rise from y=-2 with easeOutBounce over 0.8s + landing shake. Ambient dust/spark particles active from frame 1 (60 particles, additive blending, drifting upward).
  2. Hit effects: 18-particle burst at impact point colored by projectile team (red/blue), additive blending with gravity. Screen flash (red for player damage, red-tinted for opponent hit). Camera shake on both hit types (stronger on player damage).
  3. Throw effects: Muzzle flash (PointLight, intensity 2.0, fades over 200ms) + small 5-particle burst at throw origin.
  4. Projectile trails: Small transparent spheres spawned every 30ms along projectile path, fade out over 250ms with scale reduction.
  5. Combo text: HTML overlay "Nx COMBO!" text that scales from 0.3 to 1.3 and fades out. Font size grows with combo count (48px base + 6px per combo, max 80px). Gold color with glow text-shadow.
  6. Streak milestones: At combo 5/10/25, full-screen text slam ("ON FIRE!", "UNSTOPPABLE!", "DOMINATION!") with scale-in animation + 40-particle burst + strong camera shake.
  7. Damage feedback: Red flash overlay (alpha 0.4, 300ms), strong camera shake (0.18 intensity), HUD heart scale-up + shake animation.
  8. Arena glow pulse: Edge glow strips oscillate opacity sinusoidally (period 2s, range 0.3-0.7).
  9. Game over: Slow-motion (delta multiplied by 0.2 for 1 second, only affects gameplay entities), 35-particle explosion, red flash, camera zoom toward center (z offset -2 over 0.8s).
  10. Clean reset: All effects (camera position, slow-mo, particles, trails, muzzle flashes, zoom) properly cleaned up on restart.

Files modified

  • src/core/Constants.js — added EFFECTS object
  • src/core/Game.js — integrated EffectsSystem (construction, entrance trigger, animate loop with slow-mo + trail updates, reset on restart)
  • src/systems/EffectsSystem.js — new file (full effects system)

Architecture notes

  • EffectsSystem uses raw delta for its own animations (particles always smooth) but provides getDeltaMultiplier() for gameplay slow-mo
  • All 3D particles use THREE.Points with BufferGeometry for GPU efficiency, additive blending, and proper disposal
  • HTML overlays used for screen flash and text (more reliable than post-processing, no shader overhead)
  • Particle bursts capped at 40 per burst for mobile performance
  • All geometries and materials disposed when particles expire
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