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Core of a simple Tetris game

This framework contains logic for a simple Tetris game. Feel free to use it, build apps on top of it, sell them, and learn. It depends only on Foundation and doesn’t provide any graphical output.

What this framework does for you:

  • Stores game state, like cells on game board, falling blocks, time intervals, and score.
  • Generates next blocks with random shape and orientation, while avoiding simple repetition.
  • Manages timer that can be pauses and resumed.
  • Exposes 4 controls: moveLeft(), moveRight(), rotate() and drop().
  • Detects completed lines and increments score. Higher score speeds up the timer.
  • Reports all events via a callback, like periodic fall, line completion, game over, etc.
  • Allows serialization to and from a dictionary that is compatible with property list.

What you need to implement:

  • Graphics and animations. Be creative!
  • User input, like buttons or gestures.
  • Write serialized dictionary to persistent location and restore it.
  • Create game menu with play/pause/reset options.
  • Listen to callback from the engine and update your UI.
  • Show next block and score on screen.

This engine was used to build this Tetris game on App Store.


The MIT License (MIT)
Copyright © 2017 Martin Kiss

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Core of a simple Tetris game with no UI

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