Make games in TypeScript.

import {  Camera,  Light,  MeshAsset,  MeshRenderer,  Script,  createApp,  createMaterialAsset,  f32,  pbrMaterialDefinition,} from "@ignifx/core";import type { ScriptCallbacks } from "@ignifx/core";class Spinner extends Script.define({ speed: f32(90) }) implements ScriptCallbacks {  static typeId = "demo/Spinner"; // `speed` is a serialized field, degrees per second  update(dt: number): void {    this.transform.rotate({ x: 0, y: this.speed * dt, z: 0 });  }}const canvas = document.querySelector("canvas");if (!(canvas instanceof HTMLCanvasElement)) {  throw new Error("ignifx needs a <canvas> element on the page.");}// Shadows are a Babylon Lite opt-in, declared before the scene is registered (IGX-0704).const app = await createApp({ canvas, settings: { rendering: { features: { shadows: true } } } });app.registerComponents([Spinner]);const eye = app.world.createEntity("Main Camera");eye.transform.localPosition.set(0, 2.5, -4.5);eye.transform.lookAt({ x: 0, y: 0.6, z: 0 });eye.addComponent(Camera, { fov: 55, far: 100 });const sun = app.world.createEntity("Sun");sun.transform.localPosition.set(3, 6, -2);sun.transform.lookAt({ x: 0, y: 0, z: 0 });const light = sun.addComponent(Light, { type: "directional", intensity: 3 });light.shadows.enabled = true;const ground = app.world.createEntity("Ground");ground.addComponent(MeshRenderer, {  mesh: MeshAsset.ground(app, { width: 20, height: 20 }),  castShadows: false,});const ember = createMaterialAsset(  app,  pbrMaterialDefinition({ name: "ember", baseColor: { r: 0.93, g: 0.42, b: 0.16, a: 1 }, roughness: 0.35 }),  [],);const cube = app.world.createEntity("Cube");cube.transform.localPosition.set(0, 0.65, 0);cube.addComponent(MeshRenderer, { mesh: MeshAsset.box(app, { size: 1.3 }), materials: [ember] });cube.addComponent(Spinner, { speed: 120 });await app.start();