let velocityX, velocityY;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  colorMode(HSB, 360, 100, 100, 100);

  locationX = width / 2;

  locationY = height / 2;

  velocityX = random(-5, 5);

  velocityY = random(-5, 5);

}

​

function draw() {

  background(0);

  noStroke();

  fill(0, 100, 100, 100);

  circle(locationX, locationY, 50);

  locationX = locationX + velocityX;

  locationY = locationY + velocityY;

  if (locationX < 0) {

    print('hit le

  }

  if (locationX > width) {

    print('higt right!');

  }

  if (locationY < 0) {

    print('hit up');

  }

  if (locationY > height) {

    print('hit down');

  }

}

​

​

​

​

​

​

​