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Subway

A metro/subway flow simulation.

Demo

Subway

About

I am quiet a fan of transportation systems. I used to play a lot to OpenTTD: an open source version of Transport Tycoon.

I was always fascinated by the (almost) perfect synchronization that the train systems have.

Logic

A few statements about this experiment:

  • There is no API connected to the app: I was considering the idea to use an API to get the data, but the problem in that case is than becomes a "visualization" rather that a simulation.

  • Is based on the Barcelona subway net

  • It includes a simple AI:

    • Trains unload and loads cargo on each station
    • Trains decide when to wait or enter to a waypoint/station by status (free/occupied)
    • Trains have a predefined itinerary and routes that have to follow
    • Stations get cargo (passengers) continuously to be delivered to other stations
    • Trains have different capacity (1, 2, 3 or more wagons)
    • Trains max speed is affected by the cargo and the size of the train
    • Trains may have failures (not yet implemented)

Tech

I was using this project as a fun way to learn a bit more about Typescript and PIXI.js

Other cities

The simulation is fixed in the Barcelona subway, but is very easy to change to any city, you just need to define a Subway line and the coords for each station. Take a look the src/lines folder.

License

See the LICENSE file for license rights and limitations (MIT).

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