​

​

function setup() {

  createCanvas(500, 500);

  background(0);

}

​

​

function  draw () {

  if (mouseIsPressed) {

  rect(mouseX, mouseY, random(30,100), random(30,100));

  //idk why the first square is always white pls help

  fill(random(256),random(256),random(256),127);

​

  }

}