embeded it - OpenProcessing

mySketch
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var boolDoRefresh;
var s = 20;
var n = 9;
 
function setup() {
  createCanvas(400, 400);
  boolDoRefresh = true;
}
 
function draw() {
  if (boolDoRefresh) {
    //background(0);
    var space = width / (n + 2);
    for (var x = space; x < width - space; x += space){
      for (var y = space; y < width - space; y += space){
        rect(x, y, s, s);
        r = random(101)
        if (r <= 5){
          rect(x+5, y+5, s-10, s-10);
        }
      }
    }
    boolDoRefresh = false;
  }
}
​
 
function mousePressed() {
  background(255);
  boolDoRefresh = true;
}