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conways-game-of-life-ruby's Introduction

Conway's Game of Life

The entry point to your code should be a class called GameOfLife, which must have a run method, and take the following string in the constructor (see bin/gol):

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . o . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . o . o . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . o o . . . . . . o o . . . . . . . . . . . . o o . . . . . . . . . . . . .
. . . . . . . . . . . . o . . . o . . . . o o . . . . . . . . . . . . o o . . . . . . . . . . . . .
. o o . . . . . . . . o . . . . . o . . . o o . . . . . . . . . . . . . . . . . . . . . . . . . . .
. o o . . . . . . . . o . . . o . o o . . . . o . o . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . o . . . . . o . . . . . . . o . . . . . . . . . . . . . . . . . . . . . . . .
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. . . . . . . . . . . . . o o . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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This represents the game board. Each o represents a live cell, and each . represents a dead cell. The spaces are for alignment. Each "turn" or "tick", the following rules should be applied to each cell:

  • If the cell is alive and it has 2 or 3 neighbors, it lives.
  • If the cell is alive and it has less than 2 neighbors, it dies due to underpopulation.
  • If the cell is alive and it has more than 3 neighbors, it dies due to overpopulation
  • If the cell is dead and it has exactly 3 neighbors, it becomes alive due to reproduction
  • If the cell is dead and it has any number of neighbors other than 3, it remains dead.

The board should be spit out into the terminal, with the same character representation as the string above. (Note: puts "\e[H\e[2J" will clear the terminal). You can test your code by running bin/gol in the terminal. If done correctly, you should see groups of live cells move slowly down and to the right from the top center, like so:

success

You may write tests if you find it helpful, but it is not required. My solution lives in the solutions branch, to compare solutions when finished. Good luck.

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