balls-online

Balls online is a multiplayer browser game where you are a ball. You can move your ball and see other balls moving. The only purpose it serves is as a playground for game and netcode concepts.

Live demo

Visit https://balls.bojodev.io for a live preview.

Setup

1. yarn
2. yarn dev
3. In a different terminal: node server.js --watch
4. Visit http://localhost:5173
5. Use the arrow keys to move around

Variables

• In socket.js, you can configure lag emulation in ms by changing the lag value. The client will wait this long to send your events to the server.
• In main.js, you can turn client prediction on/off by changing the prediction boolean.

TODO

• Add lag emulation when receiving events as well
• Split up files
• Add server reconciliation support
• Add client-side interpolation support
• Implement better client-side prediction
• Convert to TS
• Deploy live demo