Individual skill

threejs-pro

Build 3D with Three.js: scenes, cameras, lighting, materials, animation loop, loaders, and performance. Use for programmatic 3D graphics in the browser.

skills/threejs-pro/SKILL.md

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# Three.js Pro

A practical guide to Three.js: the standard library for programmatic 3D in the browser — scene setup, cameras, lights, materials, the animation loop, asset loading, post-processing, and performance.

## Overview

Three.js wraps WebGL in a scene-graph API: you compose **scenes** of meshes, lights, and cameras, and the renderer draws them each frame. It handles the GPU plumbing; you handle the 3D thinking (transforms, materials, lighting) and the performance budget. Pairs with the 3d-web-experiences skill (which covers art direction and asset pipeline); this one is the code-level reference.

## When to use

- Programmatic 3D: scenes built in code rather than loaded models.
- Product viewers, configurators, data viz in 3D.
- Custom shaders (`ShaderMaterial`, `onBeforeCompile`).
- Post-processing pipelines (bloom, DOF, outlines).
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