QDiep.py

Introduction

• Implements famous web game diep.io

• Server: python

• Client: Qt

Game Feature

• Multiplayer

• Realtime shooting game

• Self host like minecraft

• Upgrade system( passive tree )

• Chatting and broadcast

• Reborn system

• Low hardware requirment

• support multiple platform

Architecture-Server

• Python 3.5, naitive coroutines

• Use tornado library to handle requests asynchronously

• Use Cython C extensions to do physics computing

Architecture-Client

• QJsonObject(Qt5.0~)

• QWebSocket(Qt5.0~)

• qUncompress

• QGraphicsView

• QGraphicsScene

• QGraphicsObject

• QPainter

Physics Engine

• 30 ticks per sec

• Decide pos by velocity

• Decide velocity by Acceleration

• Decide Acceleration by collision or user control

Serialize evolution

• Use json to send game information

• lots of info and frequently send recv, needs lots of bandwidth

Benchmark

Demo