const app = new PIXI.Application({
  view: document.getElementById('main'),
  width: 500,
  height: 500,
  antialias: true,
  transparent: false,
  backgroundColor: 0x00CC99,
});

const container = new PIXI.Container();
app.stage.addChild(container);

const loader = new PIXI.Loader();
loader
  .add('fakeimg','https://i.imgur.com/j5QyG2t.png')
  .load((loader, resource)=> {
  console.log('Done');
  init(resource);
})
function init(item) {
  console.log(item);
  const sprite = new PIXI.Sprite(item.fakeimg.texture);
  container.addChild(sprite);
}

const el = document.getElementById('main');
el.addEventListener('mousemove', (event) => {
  app.ticker.add(() => {
    container.x = event.clientX;
    container.y = event.clientY;
  });
});