//var alphabet=['A','B','C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'];

//var indexes=[];

//var coded ="SP IYE MKX BOKN DRSC IYE GSX";

//var coded = "LMN"

var coded="WKLV LV D WHVW PHVVDJH WRJUDSKRQ FRXOG." 

​

​

​

var decoded=[];

​

​

function setup() {

  createCanvas(400, 400);

  Ceasar();

}

​

​

​

​

function Ceasar()

{

coded=coded.toUpperCase();

var shift=1;

var newchar='';

for(var j=1; j<=26; j++)

{

var decoded=""

for(var i=0; i<coded.length; i++)

{

// If its a character, shift it, otherwise, keep current character

if((unchar(coded[i]) >=65) && (unchar(coded[i]) <=90))

{

newchar= unchar(coded[i])+shift;

if(newchar<65)

{

 newchar = char(90-(65-newchar))

}

else if(newchar>90)

{

newchar=char((newchar % 90)+64);

  if(unchar(newchar)>90)

console.log(newchar);

}

else

{

newchar=char((newchar));

}

decoded= decoded + newchar; 

}

else

{

decoded= decoded + coded[i]; 

}

}

console.log(decoded);

shift ++;

}

​

}