threejs
Build immersive 3D web experiences with Three.js - WebGL/WebGPU library for scenes, cameras, geometries, materials, lights, animations, loaders, post-processing, shaders (including node-based TSL), compute, physics, VR/XR, and advanced rendering. Use when creating 3D visualizations, games, interactive graphics, data viz, product configurators, architectural walkthroughs, or WebGL/WebGPU applications. Covers OrbitControls, GLTF/FBX loading, PBR materials, shadow mapping, post-processing effects (bloom, SSAO, SSR), custom shaders, instancing, LOD, animation systems, and WebXR.
Best use case
threejs is best used when you need a repeatable AI agent workflow instead of a one-off prompt.
Build immersive 3D web experiences with Three.js - WebGL/WebGPU library for scenes, cameras, geometries, materials, lights, animations, loaders, post-processing, shaders (including node-based TSL), compute, physics, VR/XR, and advanced rendering. Use when creating 3D visualizations, games, interactive graphics, data viz, product configurators, architectural walkthroughs, or WebGL/WebGPU applications. Covers OrbitControls, GLTF/FBX loading, PBR materials, shadow mapping, post-processing effects (bloom, SSAO, SSR), custom shaders, instancing, LOD, animation systems, and WebXR.
Teams using threejs should expect a more consistent output, faster repeated execution, less prompt rewriting.
When to use this skill
- You want a reusable workflow that can be run more than once with consistent structure.
When not to use this skill
- You only need a quick one-off answer and do not need a reusable workflow.
- You cannot install or maintain the underlying files, dependencies, or repository context.
Installation
Claude Code / Cursor / Codex
Manual Installation
- Download SKILL.md from GitHub
- Place it in
.claude/skills/threejs/SKILL.mdinside your project - Restart your AI agent — it will auto-discover the skill
How threejs Compares
| Feature / Agent | threejs | Standard Approach |
|---|---|---|
| Platform Support | Not specified | Limited / Varies |
| Context Awareness | High | Baseline |
| Installation Complexity | Unknown | N/A |
Frequently Asked Questions
What does this skill do?
Build immersive 3D web experiences with Three.js - WebGL/WebGPU library for scenes, cameras, geometries, materials, lights, animations, loaders, post-processing, shaders (including node-based TSL), compute, physics, VR/XR, and advanced rendering. Use when creating 3D visualizations, games, interactive graphics, data viz, product configurators, architectural walkthroughs, or WebGL/WebGPU applications. Covers OrbitControls, GLTF/FBX loading, PBR materials, shadow mapping, post-processing effects (bloom, SSAO, SSR), custom shaders, instancing, LOD, animation systems, and WebXR.
Where can I find the source code?
You can find the source code on GitHub using the link provided at the top of the page.
SKILL.md Source
# Three.js Development
Build high-performance 3D web applications using Three.js - a cross-browser WebGL/WebGPU library.
## When to Use This Skill
Use when working with:
- 3D scenes, models, animations, or visualizations
- WebGL/WebGPU rendering and graphics programming
- Interactive 3D experiences (games, configurators, data viz)
- Camera controls, lighting, materials, or shaders
- Loading 3D assets (GLTF, FBX, OBJ) or textures
- Post-processing effects (bloom, depth of field, SSAO)
- Physics simulations, VR/XR experiences, or spatial audio
- Performance optimization (instancing, LOD, frustum culling)
## Progressive Learning Path
### Level 1: Getting Started
Load `references/01-getting-started.md` - Scene setup, basic geometries, materials, lights, rendering loop
### Level 2: Common Tasks
- **Asset Loading**: `references/02-loaders.md` - GLTF, FBX, OBJ, texture loaders
- **Textures**: `references/03-textures.md` - Types, mapping, wrapping, filtering
- **Cameras**: `references/04-cameras.md` - Perspective, orthographic, controls
- **Lights**: `references/05-lights.md` - Types, shadows, helpers
- **Animations**: `references/06-animations.md` - Clips, mixer, keyframes
- **Math**: `references/07-math.md` - Vectors, matrices, quaternions, curves
### Level 3: Interactive & Effects
- **Interaction**: `references/08-interaction.md` - Raycasting, picking, transforms
- **Post-Processing**: `references/09-postprocessing.md` - Passes, bloom, SSAO, SSR
- **Controls (Addons)**: `references/10-controls.md` - Orbit, transform, first-person
### Level 4: Advanced Rendering
- **Materials Advanced**: `references/11-materials-advanced.md` - PBR, custom shaders
- **Performance**: `references/12-performance.md` - Instancing, LOD, batching, culling
- **Node Materials (TSL)**: `references/13-node-materials.md` - Shader graphs, compute
### Level 5: Specialized
- **Physics**: `references/14-physics-vr.md` - Ammo, Rapier, Jolt, VR/XR
- **Advanced Loaders**: `references/15-specialized-loaders.md` - SVG, VRML, domain-specific
- **WebGPU**: `references/16-webgpu.md` - Modern backend, compute shaders
## Quick Start Pattern
```javascript
// 1. Scene, Camera, Renderer
const scene = new THREE.Scene();
const camera = new THREE.PerspectiveCamera(75, window.innerWidth/window.innerHeight, 0.1, 1000);
const renderer = new THREE.WebGLRenderer();
renderer.setSize(window.innerWidth, window.innerHeight);
document.body.appendChild(renderer.domElement);
// 2. Add Objects
const geometry = new THREE.BoxGeometry();
const material = new THREE.MeshStandardMaterial({ color: 0x00ff00 });
const cube = new THREE.Mesh(geometry, material);
scene.add(cube);
// 3. Add Lights
const light = new THREE.DirectionalLight(0xffffff, 1);
light.position.set(5, 5, 5);
scene.add(light);
scene.add(new THREE.AmbientLight(0x404040));
// 4. Animation Loop
function animate() {
requestAnimationFrame(animate);
cube.rotation.x += 0.01;
cube.rotation.y += 0.01;
renderer.render(scene, camera);
}
animate();
```
## External Resources
- Official Docs: https://threejs.org/docs/
- Examples: https://threejs.org/examples/
- Editor: https://threejs.org/editor/
- Discord: https://discord.gg/56GBJwAnUSRelated Skills
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