World Builder

A stellar system and planetary configuration tool. Calculate star properties and design planetary systems.

Features

• Star Calculator: Calculate luminosity, lifespan, habitable zone, and classification from mass
• Planet Configuration: Add and configure planets in your systems
• Local Storage: All data saved locally in your browser
• Desktop App: Package with Tauri for desktop deployment

Getting Started

Development

npm install
npm run dev

Open http://localhost:5173 in your browser.

Build for Web

npm run build

Output goes to dist/ folder.

Type Checking

npm run check

Project Structure

src/
├── components/     # Svelte components
├── lib/
│   ├── stores/     # Svelte stores (state management)
│   └── utils/      # Helper functions and calculations
├── types/          # TypeScript type definitions
├── App.svelte      # Root component
└── main.ts         # Entry point

Technologies

• Svelte - UI framework
• TypeScript - Type safety
• Vite - Build tool
• localStorage - Data persistence

Future Enhancements

• Orbital stability simulations
• Export/import systems
• More detailed stellar classifications
• Planetary atmosphere simulations
• Desktop packaging with Tauri