function preload() {

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

}

let a = ['N', 'G', 'C'];

function setup() {

  createCanvas(900, 900);

  textFont(spacemono);

  textSize(100);

  textAlign(CENTER, CENTER);  

}

​

let t = 0;

let size = 1;

let offset;

let cells = 30;

let tx = cells;

let ty = cells;

//let tw = width / tx;

//let th = height / ty;

​

​

​

​

function draw() {

  let gx = width/ cells;

  let margin = gx /2;

  background(0);

  fill(255);

  translate(width/2,height/2);

  scale(0.7);

  translate(margin-width/2, 0);

  for (let i = 0; i < cells; i++) {

    offset = i * map(mouseX, 0, width, 0, 0.5); 

    let r = random(2);

    let size1 = map(cos(t + offset), -1, 1, 0, 50);

    let size2 = map(cos(t + offset), -1, 1, 50, 0);

    textSize(size1);

    text(a[i%3], gx * i, sin(t + offset)*map(mouseY, 0, width, 0, height/2));

    textSize(size2);

    text(a[i%3], gx * i, -sin(t + offset)*map(mouseY, 0, width, 0, height/2));

    //text(gx * i, -sin(t + offset)*150, size2, size2);

  }

  t += 0.05;

}