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Wrapping around the edges in a 2d array (game of life)?


Wrapping around the edges in a 2d array (game of life)?

By : Mrtn92
Date : November 24 2020, 01:01 AM
it should still fix some issue Your wrap function is incomplete. It handles the case when x is less than 0, but when x is not less than 0, it always returns min. At that point, there are two cases: x is less than or equal to max, or x is greater than max, and you'd need to handle them. It might make it simpler if you use if and else if than the ?: operator — the code will definitely be more readable, and mistakes will be easier to spot.
(Besides, in the code above min is always 0, but in principle you should check whether x is less than min instead of 0.)
code :


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Using game of life or other virtual environment for artificial (intelligence) life simulation?

Using game of life or other virtual environment for artificial (intelligence) life simulation?


By : user1730478
Date : March 29 2020, 07:55 AM
Does that help Since you said "in theory", that implies you are interested in reading a lot of academic papers on the subject, because I think there's plenty of theoretical work out there, usually supported by proof-of-concept experiments.
I took a class on this 3 years ago, so my knowledge is both introductory and out-of-date, but try searching for something like "neural network language evolution" on Google Scholar*. The simulations in those papers should give you some ideas of what other researchers have tried. Then, a good place to start is to replicate one of the experiments that you find interesting.
Game of Life array edges acting weird

Game of Life array edges acting weird


By : nono
Date : March 29 2020, 07:55 AM
around this issue Having done this for a course I taught in the past, the most common issue I always see people having is going outside the bounds of the array they're using.
If you look at the if statements in your nested for loop, I think you'll find some issues. For instance, in this case, what happens when iii equals (height-1) or jjj equals (width-1)?
code :
for (int iii = 0; iii < height; iii++) {
    for (int jjj = 0; jjj < width; jjj++) {
        //Count neighbouring cells that are alive
        if (now_world[iii+1][jjj+1] == true) {
            ++neighbours;
if (now_world[iii-1][jjj+1] == true) {
            ++neighbours;
        }
Conway's Game of Life Applying Rules of Life Issues Android

Conway's Game of Life Applying Rules of Life Issues Android


By : user3546670
Date : March 29 2020, 07:55 AM
Does that help Just a simple mistake in order of parameters - you are sending y,x to the calcNeighbors method which expects x,y.
code :
calcNeighbors(h, w);
...

private int calcNeighbors(int x, int y)
...
private int calcNeighbors(int y, int x)
OCaml 2D array for Game of Life

OCaml 2D array for Game of Life


By : Abhilash Pandey
Date : March 29 2020, 07:55 AM
I wish this help you I'm trying to do Conway's game of life for practice, since I've done this before in C++, but I was wondering how I could generate a 2d array given an height and width in Ocaml with randomly assigned spawns based on a given population density, I am trying to use make_matrix by the way. All the tutorials I found online have been using graphics or some other hard coded way (i.e rosetta code), but I would like to try and avoid that so that I could have some variation. Thank you. , You have multiple choices here:
big-arrays arrays maps
code :
type state = Dead | Live

type coord = {x : int; y : int}
module Board = Map.Make(struct 
    type t = coord
    let compare = compare
  end)
let neighbors {x;y} = [
  x,  y+1;
  x+1,y+1;
  x+1,y;
  x+1,y-1;
  x,  y-1;
  x-1,y-1;
  x-1,y;
  x-1,y+1;
] |> List.map (fun (x,y) -> {x;y})

let fold_neighbors board cell ~f ~init =
  neighbors cell |>
  List.fold_left (fun acc n -> 
      try f acc (Board.find n board) 
      with Not_found -> acc)
    init
let count_live_neighbors =
  fold_neighbors ~init:0 ~f:(fun count nb -> match nb with
      | Live -> count + 1
      | Dead -> count)
 make_matrix 300 400 0 
Array.make_matrix width height None
let create_board width height density =
  Array.make_matrix width height None |>
  Array.map (Array.map (fun cell ->
      if Random.float 1.0 > density then Some Live else None))
let create_board width height density =
  Array.init height (fun _ -> 
      Array.init width (fun _ ->
          if Random.float 1.0 > density then Some Live else None))
Game of Life:- need help in implementing SOLID principles in Game of life

Game of Life:- need help in implementing SOLID principles in Game of life


By : Emre Özbaysar
Date : March 29 2020, 07:55 AM
it helps some times I had earlier shared only the links to README.md file of my Github repository of my implementation and there was a genuine concern expressed to me by the moderators, what if the pages behind the links are removed? I am providing an answer, which I hope is helpful in understanding the solution without having to refer to my README.md file or the code.
This question is from a year ago. You likely would have already figured out the SOLID principles. Since, I have recently solved Conway's Game of Life in PHP OOP and applied the SOLID design principles with the objective of sharing my understanding of the principles with my colleagues at work, I am sharing my approach to solving this problem here on stackoverflow as an answer to this question, which is so far unanswered. I hope this is helpful to all who arrive here wanting to wrap their heads around SOLID principles specifically by practicing it on Conway's Game of Life problem.
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