A simple and performance-optimized particle system for Ren'Py visual novels,
designed for falling effects like sakura petals, snow, leaves, and dust.
## ✨ Key Features
- **High Performance** — 160+ FPS on 2010-era hardware in windowed mode
- **Global Wind System** — All particles react to shared wind with gusts and waves
- **Ready-to-Use Configs** — Sakura (gentle/normal/storm), snow, and dust presets
- **Easy to Extend** — Clean, readable code with a simple particle config system
- **Minimal Setup** — Just drop in the file and use `image sakura = ...`
