let img;

let grid = 50;

let letter = ['N','G','C']

​

function preload() {

  spaceMono = loadFont('assets/SpaceMono-Regular.ttf');

  img = loadImage('assets/DNA-test.jpeg');

}

​

function setImage(cols, rows) {

    img.resize(cols, rows); 

}

​

function setup() {

  createCanvas(1000, 1000);

  textFont(spaceMono);

  textAlign(CENTER, CENTER);

  colorMode(HSB,255);

  setImage(grid, grid);

}

​

function draw() {

  noLoop();

  newGrid();

  //image(img,0,0,width,height);

}

​

function newGrid() {

  background(0);

  fill(255);

  let tx = grid;

  let ty = grid;

  let tw = width / tx;

  let th = (height / ty);

  translate(tw / 2, th / 2);

  for (let x = 0; x < tx; x++) {

    for (let y = 0; y < ty; y++) {

      let c = img.get(x, y);

      //let selector = int(map(brightness(c), 0, 255, 0,20));

      let size = int(map(brightness(c), 0, 255, 20,0));

      let randomLetter = int(random(letter.length));

      textSize(floor(size*0.65));

      text(letter[randomLetter], x * tw, y * th);

    }

  }

}

​

function keyPressed(DOWN_ARROW){

​

    save("canvas.svg");

}

​