​

​

function setup() {

  createCanvas(600, 600);

  background(220);

  noStroke();

}

​

function draw() {

  //background(220);

}

​

function mousePressed() {

  background(220);

}

​

​

function mouseDragged() {

  if (mouseX < width / 2) {

    brushSize = 25;

    fill(random(255), random(255), random(255));

  } else {

    brushSize = 50;

    fill(random(255));

​

  }

​

  if (mouseY < height / 2) {

​

    rect(mouseX, mouseY, brushSize);

  } else {

    ellipse(mouseX, mouseY, brushSize);

​

  }

}