Task: Conway's Game of Life



C#: using System;
using System.Text;
using System.Threading;
 
namespace ConwaysGameOfLife
{
    
    class Program
    {
        
        private const int DELAY = 50;
 
        
        private const ConsoleColor DEAD_COLOR = ConsoleColor.White;
        private const ConsoleColor LIVE_COLOR = ConsoleColor.Black;
 
        
        private const ConsoleColor EXTRA_COLOR = ConsoleColor.Gray;
 
        private const char EMPTY_BLOCK_CHAR = ' ';
        private const char FULL_BLOCK_CHAR = '\u2588';
 
        
        private static bool[,] board;
 
        
        private static int width = 32;
        private static int height = 32;
 
        
        private static bool loopEdges = true;
 
 
        static void Main(string[] args)
        {
            
            initializeDemoBoard();
 
            initializeConsole();
 
            
            while (!Console.KeyAvailable || Console.ReadKey(true).Key != ConsoleKey.Escape) {
                Program.drawBoard();
                Program.updateBoard();
 
                
                Thread.Sleep(DELAY);
            }
        }
 
        
        private static void initializeConsole()
        {
            Console.BackgroundColor = EXTRA_COLOR;
            Console.Clear();
 
            Console.CursorVisible = false;
 
            
            
            int width = Math.Max(Program.width, 8) * 2 + 1;
            int height = Math.Max(Program.height, 8) + 1;
            Console.SetWindowSize(width, height);
            Console.SetBufferSize(width, height);
 
            Console.BackgroundColor = DEAD_COLOR;
            Console.ForegroundColor = LIVE_COLOR;
        }
 
        
        private static void initializeRandomBoard()
        {
            var random = new Random();
 
            Program.board = new bool[Program.width, Program.height];
            for (var y = 0; y < Program.height; y++) {
                for (var x = 0; x < Program.width; x++) {
                    
                    Program.board[x, y] = random.Next(2) == 0;
                }
            }
        }
 
        
        private static void initializeDemoBoard()
        {
            Program.width = 3;
            Program.height = 3;
 
            Program.loopEdges = false;
 
            Program.board = new bool[3, 3];
            Program.board[1, 0] = true;
            Program.board[1, 1] = true;
            Program.board[1, 2] = true;
        }
 
        
        private static void drawBoard()
        {
            
            var builder = new StringBuilder();
 
            for (var y = 0; y < Program.height; y++) {
                for (var x = 0; x < Program.width; x++) {
                    char c = Program.board[x, y] ? FULL_BLOCK_CHAR : EMPTY_BLOCK_CHAR;
 
                    
                    builder.Append(c);
                    builder.Append(c);
                }
                builder.Append('\n');
            }
 
            
            Console.SetCursorPosition(0, 0);
            Console.Write (builder.ToString());
        }
 
        
        private static void updateBoard()
        {
            
            bool[,] newBoard = new bool[Program.width, Program.height];
 
            for (var y = 0; y < Program.height; y++) {
                for (var x = 0; x < Program.width; x++) {
                    var n = countLiveNeighbors(x, y);
                    var c = Program.board[x, y];
 
                    
                    
                    newBoard[x, y] = c && (n == 2 || n == 3) || !c && n == 3;
                }
            }
 
            
            Program.board = newBoard;
        }
 
        
        private static int countLiveNeighbors(int x, int y)
        {
            
            int value = 0;
 
            
            for (var j = -1; j <= 1; j++) {
                
                if (!Program.loopEdges && y + j < 0 || y + j >= Program.height) {
                    continue;
                }
 
                
                int k = (y + j + Program.height) % Program.height;
 
                for (var i = -1; i <= 1; i++) {
                    
                    if (!Program.loopEdges && x + i < 0 || x + i >= Program.width) {
                        continue;
                    }
 
                    
                    int h = (x + i + Program.width) % Program.width;
 
                    
                    value += Program.board[h, k] ? 1 : 0;
                }
            }
 
            
            return value - (Program.board[x, y] ? 1 : 0);
        }
    }
}






VB: option explicit
const tlcr=3, tlcc=3
const maxdim=15

dim a(15,15)
dim b(15,15)
dim ans0:ans0=chr(27)&"["
dim gen,n

erase a

a(0,1)=true:a(1,2)=true:a(2,0)=true:a(2,1)=true:a(2,2)=true

a(3,13)=true:a(4,13)=true:a(5,13)=true

a(11,1)=true:a(11,2)=true: a(12,1)=true:a(12,2)=true
a(13,3)=true:a(13,4)=true: a(14,3)=true:a(14,4)=true

gen=0
doframe

do
  display 
  wscript.sleep(100)
  n=newgen
loop until n=0
display 

sub cls()  wscript.StdOut.Write ans0 &"2J"&ans0 &"?25l":end sub 
sub toxy(r,c,s)  wscript.StdOut.Write ans0 & r & ";" & c & "f"  & s :end sub
function iif(a,b,c) if a then iif=b else iif=c end if :end function

sub doframe
  dim r,c,s
	const frame="@"
	cls
	toxy 1,tlcc-1, "Conway
	toxy tlcr-1,tlcc-1,string(maxdim+3,frame)
	s=frame&space(maxdim+1)&frame
	for r=0 to maxdim
		toxy tlcr+r,tlcc-1,s
	next
	toxy tlcr+maxdim+1,tlcc-1,string(maxdim+3,frame)
end sub

sub display 
dim r,c
const pix="#"
for r=0 to maxdim
   for c=0 to maxdim
	   toxy tlcr+r,tlcc+c,iif (a(r,c),pix," ") 
	 next
next
toxy tlcr+maxdim+2,tlcc-1,gen & " " & n
toxy tlcr+maxdim+3,tlcc-1,""
gen=gen+1
end sub

function newgen
  dim r,c,cnt,cp,cm,rp,rm
	for r=0 to maxdim
	  for c=0 to maxdim
			cp=(c+1) and maxdim    
			cm=(c-1) and maxdim
			rp=(r+1) and maxdim
			rm=(r-1) and maxdim
			cnt=0
			cnt=- a(rp,cp) - a(rp,c) - a(rp,cm)  
			cnt=cnt- a(r,cp)-	 a(r,cm)	
			cnt=cnt- a(rm,cp)- a(rm,c) - a(rm,cm)  
			 
			if a(r,c) then 
				b(r,c)=iif (cnt=2 or cnt=3,true,false)
			else
				b(r,c)=iif (cnt=3,true,false)					
			end if
	  next 
	next
	for r=0 to maxdim
	  for c=0 to maxdim
		  a(r,c)=b(r,c)
		  newgen=newgen- b(r,c)
	  next
	next
end function