Deckle, running in the page

1import {2  createCamera,3  SceneStore,4  VisibilityTracker,5} from "@dopejs/deckle";6​7const store = new SceneStore();8store.transact((scene) => {9  scene.createArtifact("brief", {10    x: 120,11    y: 80,12    width: 320,13    height: 220,14    zIndex: 1,15  });16});17​18const camera = createCamera({19  x: 0,20  y: 0,21  zoom: 1,22  viewportWidth: 960,23  viewportHeight: 560,24});25​26const tracker = new VisibilityTracker();27const { visible, overscan } = tracker.compute(store, camera);28​29for (const artifactId of visible) {30  renderer.draw(store.getById(artifactId)!);31}