const pixelSize = 6

const canvasSize = imageSize / pixelSize

​

let pg = null

​

function setup() {  

  createCanvas(imageSize, imageSize)

  noFill()

  noSmooth()

​

  pg = createGraphics(canvasSize, canvasSize);

  noSmooth() 

}

​

​

function draw() {

  pg.background(100);

  pg.noStroke();

​

  image(pg, 0, 0, imageSize, imageSize)

​

}