Realtime HTML5 Multiplayer Games with NodeJS
summary
An HTML5 canvas game uses Node.js + socket IO and a server-authoritative snapshots model so the server runs physics and sends world updates; clients render 75ms in the past and linearly interpolate to avoid zigzag and tolerate packet loss. A Box2D port runs on the server and synchronizes across Chrome Firefox and Safari. The released framework includes a radius collision manager with group masking and the demo sustains eight simultaneous games at ~3–4% CPU.
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chapters (6)
- 0:00Start
- 1:59Benefits of writing your game in JavaScript with Node.js
- 3:05Interoperability between Client and Server
- 4:02Problems with this approach
- 6:49Server / Client Model
- 8:51Entity Interpolation
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