threejs

Standardize performance, typing, and ecosystem guidelines for React Three Fiber scenes.

Updated Mar 3, 2026
One-click install
npx skills add https://github.com/GuyErreich/PersonalWebsite --skill threejs-guyerreich
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: threejs
Source: https://github.com/GuyErreich/PersonalWebsite/tree/main/.github/skills/threejs
Command: npx skills add https://github.com/GuyErreich/PersonalWebsite --skill threejs-guyerreich

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

React Three Fiber and Three.js projects often suffer from performance pitfalls and inconsistent practices. This skill provides standardized guidelines for writing and reviewing high-performance 3D components in a React context.

Core Features & Use Cases

  • Performance best practices for render loops (avoid allocations inside useFrame, reuse objects, prefer InstancedMesh for large particle systems, and mutate uniforms directly instead of re-creating state).
  • Type safety and stability (typed refs for common Three.js classes, proper casting for material uniforms, and avoiding @ts-nocheck).
  • Ecosystem and tooling (prefer @react-three/drei helpers for loading, camera controls, and debugging).
  • Shader and audio patterns (uniform-driven shaders, safe AudioContext usage with proper cleanup).
  • Orchestration and integration (synchronize 3D visuals with UI stages using AnimationContext).
  • Maintenance and safety (cleanup checklist, lint/build readiness).
  • Common use cases include immersive 3D backgrounds, galaxy/hyperspace effects, particle fields, and interactive scenes within React apps.

Quick Start

Apply these performance and quality guidelines to every file under src/components/backgrounds/three/ to ensure efficient, maintainable 3D code.

Frequently Asked Questions about threejs

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

FAQPage Schema
How do I optimize React Three Fiber performance for large particle systems?

Optimize React Three Fiber performance by using InstancedMesh for large particle systems, avoiding allocations inside useFrame, reusing objects, and mutating shader uniforms directly. These standardized practices prevent render loop bottlenecks and maintain high frame rates in complex 3D scenes.

What is the best way to manage shader uniforms in a Three.js React component?

The best way to manage shader uniforms in Three.js React components is to mutate them directly instead of re-creating state. This approach uses uniform-driven shaders with proper material casting and typed refs to ensure type safety and prevent unnecessary re-renders.

Why does my Three.js scene drop frames during animations in React?

Three.js scenes drop frames in React when allocations occur inside useFrame or state is re-created unnecessarily. Prevent frame drops by reusing objects, applying typed refs, and mutating shader uniforms directly to maintain a stable and performant render loop.

Can I use drei helpers with React Three Fiber for camera controls and debugging?

Yes, you can use @react-three/drei helpers with React Three Fiber for loading, camera controls, and debugging. Prefering these ecosystem tools ensures stable integration and consistent practices for interactive 3D backgrounds, orbital controls, and particle fields.

How do I synchronize 3D visuals with UI stages in a React Three Fiber project?

Synchronize 3D visuals with UI stages in React Three Fiber by integrating an AnimationContext. This orchestration pattern connects interactive 3D backgrounds, shader effects, and particle systems directly to your React application's component states and transitions.

Does React Three Fiber require typed refs for Three.js materials?

Yes, React Three Fiber requires typed refs for Three.js materials to ensure type safety and stability. Using proper casting for material uniforms and avoiding @ts-nocheck guarantees robust integration and maintainable 3D component code.