threejs-gameplay-systems

1# Three.js Gameplay Systems
2 
3Create or evolve a playable browser game loop with clear ownership, responsive controls, deterministic update order, and a space that shapes player decisions.
4 
5Resolve `<this-skill-dir>` and local references from the actual loaded skill file; resolve sibling skills beside it before using runner-discovered alternatives.
6 
7## References
8 
9| File | Read it when |
10| --- | --- |
11| `references/game-feel.md` | tuning feel, juice, impact, hitstop, screenshake, or claiming polished gameplay |
12| `references/genre-design.md` | designing levels, arenas, tracks, waves, holes, puzzles, encounters, or difficulty curves |
13| `references/physics-engine-selection.md` | adding or changing physics, collision-heavy gameplay, vehicles, rolling balls, character controllers, sensors, moving platforms |
14 
15## Start here
16 
17```bash
18python3 <this-skill-dir>/scripts/create_threejs_game.py ./my-game
19```
20 
21Copies `assets/threejs-vite-game/`, rewrites the project name, and gives the game its own visual test and canvas inspector. `--force` copies into a non-empty directory, overwriting files that collide with the scaffold and leaving everything else in place.
22 
23## Design first
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25For broad game creation or a substantial design change, write three short artifacts or update the existing ones. A narrow mechanic fix uses the existing design and preserves unrelated systems:
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