​

function setup() {

  createCanvas(1000, 950);

  frameRate(60);

  let x = mouseX;

  let y = mouseY;

}

​

function draw() {

  if(mouseIsPressed){

     myBrush(mouseX,mouseY);

     }    

  if (keyIsPressed) {

    background(255);

  }

}

​

function myBrush(X,Y) {

  let x = mouseX;

  let y = mouseY;

  noFill();

  rect(x,y,40,15);

  fill(0,0,0,random(1,125));

  stroke(random(10,75));

  strokeWeight(random(1,8))

  rect(x,y+15,40,10);

}