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MBFFZ

This is an example of a (real time) multi-player game server using the amazing cask.

The game frontend uses Scala.js as well as the Laminar framework, and the (real time) communication uses boopickle via WebSockets.

The game

The game essentially serves as a pretext for this example. Nonetheless, it's quite fun! The more players, the funnier. (Currently only 10 players can play together.)

The game takes place in a 800x600 continuous 2d plane. Each player is free to move (using the arrow keys), except for some white obstacles.

Each now and then, triangles (zombies) appear and chase at all times the closest player (that is, they change their mind all the time). Once a zombie collides a player, that player dies instantly.

The last player alive wins the game.

The number of zombies that spawn at the same time is given by the formula nbrOfPlayers + (timeFromBeginningInSeconds) / 30 where the division is an integer division.

The time (in seconds) between two zombie spawn is given by the formula max(2.5, 10 - timeFromBeginningInMinutes).

How to play

In order to play, you'll need to

  • clone this repository (git clone https://github.com/sherpal/MBFFZ)
  • sbt
  • change the hostName in shared/src/main/scala/utils/Constants.scala to your IP address
  • go to sbt, and uses the fullOptCompileCopy task (this is used to make the frontend JavaScript file using Scala.js, and to copy it in backend/src/main/resources/frontend)
  • use the run sbt task.

Now every player may go in a browser to http://[host]:8080/. /!\ They must be on the same wifi, otherwise you'll need to do more! Note that the players don't need to have anything installed, only the computer server has to have sbt installed.

Bugs

The game is still a bit buggy and will need optimisation in the future.

UX

The UX is very basic and you need some serious lifting.