let img;
let imgWidth = 100;

function setup() {
  createCanvas(800, 600);
  imageMode(CENTER);

  img = loadImage('assets/light.jpg');

  // Promisify this function
  // img = loadImage('assets/light.jpg', (loadedImage) => {
  //   const ratio = loadedImage.height / loadedImage.width;
  //   loadedImage.height = imgWidth * ratio;
  //   loadedImage.width = imgWidth;
  // });
}

function draw() {
  background(255);
  if (img) image(img, width / 2, height / 2);
}