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Tetris RxJS

A simple tetris game built using RxJS, Javascript and TypeScript
Demo here

Screenshot

Screenshot 2023-11-28 at 1 09 32 AM

Usage

Setup (requires node.js):

> npm install

Serve up the App (and ctrl-click the URL that appears in the console)

> npm run dev

Definitions:

Cube is a 1x1 object

Block is an object made up of 4 cubes in any tetris shape

Rotation system used is a Super Rotation System (SRS) where it is possible to rotate a block 90 degrees clockwise or anticlockwise

File structure

  • constants.ts: contains constants used in the game
  • game.ts: contains the game logic
  • types.ts: contains the types used in the game
  • observables.ts: sets up the observables used in the game
  • generics.ts contains generic functions that can be used anywhere where the types are relevant
  • views.ts: contains the functions that render the game
  • shapes.ts: contains the functions that generate the various tetris shaped blocks
  • util.ts: contains utility function(s)
  • main.ts: contains the main function that runs the game loop

Game Rules:

  • The game is over when a block reaches the top of the game board
  • 100 points are awarded for each row cleared
  • The game speed increases after reaching 200 score
  • The game restarts automatically after showing game over box briefly
  • Highscore is tracked until page is refreshed

factors like game speed, difficulty based on score, scoring etc. can be tweaked in the constants.ts file

Game Controls:

  • A button: Move block left
  • D button: Move block right
  • S button: Move block down
  • H button: Hold the block (more on this in Report)
  • E button: Rotate block clockwise
  • Q button: Rotate block anti-clockwise
  • R button: Restart game