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);
}

let status = 1;

app.ticker.add((delta) => {
  tickerLoop();
})
function tickerLoop() {
  if(status) {
    container.x += 5;
    container.y += 1;
    if(container.x > 400) {
      status = 0;
    }
  } else {
    container.x -= 5;
    container.y -= 1;
    if(container.x < 0) {
      status = 1;
    }
  }
}