const app = new PIXI.Application({
  view: document.getElementById('main'),
  width: 512,
  height: 512,
  antialias: true,
  transparent: false,
  backgroundColor: 0x00CC99,
});

const loader = new PIXI.Loader();
loader
  .add('fakeimg','https://i.imgur.com/T2vjvYl.png')
  .load((loader, resource)=> {
  init(resource);
})



function init(item) {
  let texture = item.fakeimg.texture;
  // 設定要取得的位置
  let rectangle = new PIXI.Rectangle(192, 128, 64, 64);
  texture.frame = rectangle;
  const sprite = new PIXI.Sprite(texture);
  app.stage.addChild(sprite);
}