Babylon.js Light Rotation - Babylonjs Typing CST Test
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Babylon.js Light Rotation — Babylonjs Code
Rotates a light around a static cube.
# babylonjs/demo/light_rotate.js
const canvas = document.getElementById('renderCanvas');
const engine = new BABYLON.Engine(canvas, true);
const scene = new BABYLON.Scene(engine);
const camera = new BABYLON.ArcRotateCamera('camera', Math.PI/2, Math.PI/4, 6, BABYLON.Vector3.Zero(), scene);
camera.attachControl(canvas, true);
const light = new BABYLON.PointLight('light', new BABYLON.Vector3(0, 5, 0), scene);
const box = BABYLON.MeshBuilder.CreateBox('box', {}, scene);
scene.registerBeforeRender(() => { light.position.x = Math.sin(Date.now() * 0.001) * 5; light.position.z = Math.cos(Date.now() * 0.001) * 5; });
engine.runRenderLoop(() => { scene.render(); });Babylonjs Language Guide
Babylon.js is a powerful, open-source 3D engine for the web that enables developers to build immersive 3D games, simulations, visualizations, and XR experiences directly in the browser using WebGL, WebGPU, or WebXR.
Primary Use Cases
- ▸3D games and interactive worlds
- ▸Architectural visualization and digital twins
- ▸AR/VR/XR immersive experiences
- ▸Scientific and engineering simulations
- ▸Product configurators and 3D e-commerce
Notable Features
- ▸WebGL + WebGPU rendering
- ▸WebXR full VR/AR support
- ▸Powerful scene graph system
- ▸Advanced PBR material system
- ▸Node-based material and shader editor
Origin & Creator
Babylon.js was created by David Catuhe and the Microsoft Babylon team in 2013, with contributions from a large open-source community.
Industrial Note
Babylon.js is frequently used in aerospace simulations, product configurators, architectural walkthroughs, XR training, and high-fidelity 3D commerce applications.