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);


let graphics = new PIXI.Graphics();
graphics.lineStyle(5, 0x000000, 1);
graphics.drawPolygon([
  100,100,
  0,100,
  0,10,
]);
graphics.endFill();

container.addChild(graphics);
container.x = 200;
container.y = 200;