04 / An experiment in shared space

A little chaos.
A shared playground.

Follow the light. Gather a little energy. Send a little back. A small multiplayer world, built with Java and a curious mind.

PARTICLEPLAYGROUND

Local preview · no connection

Your energy—

Players—/ 8

Round trip—

Room—

Move with your pointer · hold click to fire

Drag to move · hold the fire button to shoot

Keyboard: arrows / WASD · Space to fire · Esc to leave

Collect lights to gain energy. A hit scatters some of it. No lives. No elimination. Just another way to play.

Anonymous sessions. Scores live only while you are connected. Up to 8 players per room; a new connection starts a new session.

JAVA / WEBSOCKETS / CANVAS 2D

Small world. Real engineering.

The browser draws and predicts. Java owns the world: movement, collisions, energy and every hit. WebSockets carry intentions in and shared state out.

Input · prediction · Canvas 2D

↓ ↑ 15 snapshots / second

30 ticks / second · authoritative state