let pntSize = 60;

let randSeed = 15;

​

let pattern3;

​

function setup() {

  createCanvas(720, 720);

  frameRate(2);

  rectMode(CENTER);

​

  let buffer2 = createGraphics(15, 15);//

  buffer2.pixelDensity(3);

  buffer2.background("#D4AC2B");

  buffer2.line(10, 10, 1, 1);

  pattern3 = createPattern(buffer2);

}

​

function draw() {

  background(0);

​

  //blendMode(DIFFERENCE);

​

  //carré du fond avec la trame

  push();

  blendMode(DIFFERENCE);

  fillPattern(pattern3);

  rect(width / 2, height / 2, width, height);

  pop();

​

  //randomSeed(randSeed);

  stroke(255);

  strokeWeight(40);//pntSize

​

  for (let y = pntSize; y <= height - pntSize; y += gridStep) {

    for (let x = pntSize; x <= width - pntSize; x += gridStep) {

      let randVal = random(2);

      let cutOffVal = noise(0.1 * frameCount + 10);

      if (randVal > cutOffVal) {

        point(x, y);

      }

    }

  }

}

​