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threejs-lighting

Configure and optimize Three.js lighting with light types, shadows, and environment maps.

Updated Mar 16, 2026
Search Tags:#webgl#three.js#lighting#shadows#ibl#environment-maps
One-click install
npx skills add https://github.com/soeiroo/multifunctional-web --skill threejs-lighting-soeiroo
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: threejs-lighting
Source: https://github.com/soeiroo/multifunctional-web/tree/main/.agents/skills/threejs-lighting
Command: npx skills add https://github.com/soeiroo/multifunctional-web --skill threejs-lighting-soeiroo

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Three.js projects often struggle to achieve realistic lighting without a clear setup for light types, shadow handling, and image-based lighting. This Skill guides you through choosing appropriate lights, configuring shadows, and applying environment maps to create convincing scenes with predictable performance.

Core Features & Use Cases

  • Supports ambient, directional, point, spot, and RectAreaLight to cover common scene scenarios.
  • Provides guidance on shadow setup, shadow map configuration, and performance-conscious optimizations.
  • Explains environment lighting (IBL) and probes to improve material realism across typical web visualizations.

Quick Start

Add a basic ambient light and a directional light to your scene to see immediate lighting results.

Frequently Asked Questions about threejs-lighting

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

FAQPage Schema
How do I configure Three.js lighting for realistic scenes?▼

Configure Three.js lighting by combining ambient, directional, point, spot, and RectAreaLight sources. This Skill guides you through selecting appropriate light types and applying environment maps to achieve convincing, production-grade web visualizations with predictable performance.

What is image-based lighting in Three.js and when do I need it?▼

Image-based lighting (IBL) in Three.js uses environment maps to provide realistic reflections and ambient lighting. You need IBL when standard light sources fail to capture complex material realism in typical web visualizations.

How do I set up and optimize shadows in Three.js?▼

Set up Three.js shadows by configuring shadow maps for your light sources and optimizing their resolution. This Skill provides guidance on shadow handling and performance-conscious optimizations to maintain framerate in production-grade scenes.

Does this Three.js lighting setup support RectAreaLight?▼

Yes, this lighting setup fully supports RectAreaLight alongside ambient, directional, point, and spot lights. It covers common scene scenarios by guiding you through applying these specific light types.

What is the best way to manage Three.js lighting performance?▼

Manage Three.js lighting performance by applying helper utilities and performance-conscious optimizations for shadow maps. This Skill provides common performance tips for production-grade web visualizations to ensure predictable rendering.

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