import puppeteer from 'puppeteer';
const b = await puppeteer.launch({ args:['--no-sandbox','--disable-setuid-sandbox','--use-gl=angle','--enable-unsafe-swiftshader','--ignore-gpu-blocklist'] });
const p = await b.newPage();
await p.setViewport({width:1100,height:1300});
await p.goto('http://10.200.201.3:4175/_lab/neu-card.html',{waitUntil:'load',timeout:60000});
await new Promise(r=>setTimeout(r,800));
const r = await p.evaluate(()=>{
  const m=document.querySelector('[data-shader-demo] .card-shader').paperShaderMount;
  const gl=m.gl;
  // два render подряд, потому что drawArrays инициализируется лениво на 1-м вызове
  m.render(performance.now()); m.render(performance.now());
  const px=new Uint8Array(4); gl.readPixels(Math.floor(m.canvasElement.width/2), Math.floor(m.canvasElement.height/2),1,1,gl.RGBA,gl.UNSIGNED_BYTE,px);
  // и с разным временем
  m.setFrame(0); m.render(performance.now()); m.render(performance.now());
  const px0=new Uint8Array(4); gl.readPixels(50,50,1,1,gl.RGBA,gl.UNSIGNED_BYTE,px0);
  m.setFrame(10000); m.render(performance.now()); m.render(performance.now());
  const px1=new Uint8Array(4); gl.readPixels(50,50,1,1,gl.RGBA,gl.UNSIGNED_BYTE,px1);
  return { centerAfter2: Array.from(px), at0: Array.from(px0), at10000: Array.from(px1) };
});
console.log(JSON.stringify(r,null,1));
await b.close();