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threejs

Build 3D web scenes with Three.js for asset loading, lighting, and WebXR.

3|2|Updated Dec 2, 2025
Search Tags:#web development#rendering#interactive#animation#JavaScript#3D graphics#WebGL#Three.js
One-click install
npx skills add https://github.com/hotriluan/ai-command-center --skill threejs-hotriluan
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: threejs
Source: https://github.com/hotriluan/ai-command-center/tree/main/threejs
Command: npx skills add https://github.com/hotriluan/ai-command-center --skill threejs-hotriluan

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Developing interactive 3D graphics for the web can be complex, requiring deep knowledge of WebGL and 3D concepts. This skill provides comprehensive guidance on using Three.js, a powerful JavaScript 3D library, to simplify the creation of immersive web experiences, from basic scenes to advanced animations and physics.

Core Features & Use Cases

  • 3D Scene Fundamentals: Guides on setting up cameras, lights, geometries, materials, and textures for basic 3D scene creation.
  • Advanced Techniques: Covers animations, post-processing effects, physics integration, and advanced material customization for realistic rendering.
  • Performance Optimization: Provides best practices for optimizing Three.js applications to ensure smooth performance on various devices.
  • Interaction & Controls: Explains how to implement user interaction, camera controls, and specialized loaders for different 3D model formats.
  • Use Case: A web developer needs to create an interactive 3D product configurator for an e-commerce website. This skill can guide them through loading 3D models, applying textures, setting up lighting, implementing user controls for rotation and zoom, and optimizing performance, enabling them to build a rich, engaging product visualization.

Quick Start

Explain how to set up a basic Three.js scene with a cube, a camera, and a light source.

Frequently Asked Questions about threejs

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I build a 3D scene with Three.js?▼

Three.js simplifies 3D web development by handling WebGL complexity. Set up a basic scene by creating a Scene object, adding a Camera and Renderer, then define geometries, materials, and lights. Render the scene in a loop to display interactive 3D graphics in your browser.

Can I load 3D models like GLTF, FBX, or OBJ files with Three.js?▼

Yes, Three.js includes specialized loaders for GLTF, FBX, OBJ, and other 3D asset formats. These loaders parse model files, extract geometry and materials, and integrate them into your scene, enabling you to use pre-built 3D models in web applications.

What's the best way to optimize Three.js performance on different devices?▼

Three.js performance optimization involves techniques like instancing to batch similar objects, level-of-detail (LOD) systems to reduce geometry complexity, and efficient shader usage. Combine these with proper texture management and WebGL/WebGPU rendering configurations to maintain smooth frame rates.

How do I add physics and animations to Three.js scenes?▼

Three.js supports animation systems for keyframe and skeletal animation, and integrates with physics engines for realistic object interactions. Use material animations, shader-based effects, and post-processing to create dynamic, responsive 3D experiences.

Does Three.js support VR and XR experiences?▼

Yes, Three.js includes WebXR support for building immersive VR and XR applications. Use the WebXR API integration to access headset tracking, controllers, and spatial rendering, enabling you to create interactive virtual and augmented reality web experiences.

Do I need advanced graphics knowledge to use Three.js?▼

Three.js abstracts WebGL complexity, making 3D web development accessible to developers without deep graphics expertise. The library provides intuitive APIs for scenes, cameras, and materials, though understanding 3D concepts like lighting and PBR materials enhances results.

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