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threejs-lighting

Configure Three.js scene lighting with light selection, shadows, and environment illumination.

Updated Mar 14, 2026
Search Tags:#react-three-fiber#threejs#lighting#shadows#ibl#environment-maps
One-click install
npx skills add https://github.com/mitgar14/app-embebidos --skill threejs-lighting-mitgar14
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: threejs-lighting
Source: https://github.com/mitgar14/app-embebidos/tree/main/.claude/skills/threejs-lighting
Command: npx skills add https://github.com/mitgar14/app-embebidos --skill threejs-lighting-mitgar14

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps you create believable, performant lighting for Three.js scenes so 3D models read clearly, shadows feel grounded, and environments look polished without trial-and-error.

Core Features & Use Cases

  • Light Selection: Choose the right light type for indoor scenes, outdoor scenes, product renders, and stage-like setups.
  • Shadow Setup: Configure shadow casting, shadow maps, bias values, and camera bounds to reduce artifacts and improve realism.
  • Environment Lighting: Add image-based lighting and reflections with HDR or cube textures for physically based materials.
  • Performance Tuning: Balance visual quality and render cost by limiting light count, tightening frustums, and disabling unnecessary shadows.
  • Use Case: If a scene looks flat or noisy, use this Skill to add key, fill, and ambient lights, then refine shadows and environment lighting for a cleaner final result.

Quick Start

Ask for a Three.js lighting setup that adds the right lights, shadow settings, and environment illumination for your scene.

Frequently Asked Questions about threejs-lighting

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

FAQPage Schema
How do I set up realistic lighting in Three.js for a 3D scene?▼

To set up realistic Three.js lighting, select appropriate light types like DirectionalLight and AmbientLight to establish key and fill illumination. This balances scene brightness so models read clearly without manual trial-and-error adjustments.

What's the best way to configure shadows in Three.js to reduce artifacts?▼

Configuring Three.js shadows requires tuning shadow maps, bias values, and camera bounds to reduce visual artifacts. Tightening shadow camera frustums and adjusting bias ensures shadows feel grounded and realistic while improving render performance.

How does environment lighting work with PBR materials in Three.js?▼

Environment lighting uses image-based lighting (IBL) with HDR or cube textures to illuminate physically based (PBR) materials in Three.js. This adds realistic reflections and ambient environment illumination to make 3D models look polished.

Can I use react-three-fiber to add lighting and environment maps to my scene?▼

Yes, react-three-fiber supports Three.js lighting configuration including environment maps and IBL. You can apply AmbientLight, HemisphereLight, and RectAreaLight components to achieve balanced illumination and physically accurate reflections.

Why does my Three.js lighting setup look flat or noisy?▼

Flat or noisy Three.js lighting often results from missing key, fill, and ambient lights or unoptimized shadow parameters. Adding balanced light sources and refining shadow map bounds cleans up the final render for a polished look.

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