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threejs-lighting

Configure Three.js light types, shadow mapping, and IBL lighting rigs.

602|12|Updated Apr 22, 2026
Search Tags:#webgl#threejs#lighting#pbr#shadows#ibl#3dscenes
One-click install
npx skills add https://github.com/video-production-buddy/video-production-buddy --skill threejs-lighting-video-production-buddy
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: threejs-lighting
Source: https://github.com/video-production-buddy/video-production-buddy/tree/main/.agents/local/skills/threejs-lighting
Command: npx skills add https://github.com/video-production-buddy/video-production-buddy --skill threejs-lighting-video-production-buddy

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

3D developers and creative technologists often struggle with setting up realistic, performant lighting in Three.js, facing common issues like shadow artifacts, incorrect IBL configuration, and poor runtime performance when scaling scene complexity.

Core Features & Use Cases

  • Comprehensive Light Type Guidance: Detailed configuration for all core Three.js light types including AmbientLight, DirectionalLight, PointLight, SpotLight, and RectAreaLight, with use case recommendations for each.
  • Shadow Setup & Optimization: Step-by-step instructions for enabling shadows, configuring shadow maps, fixing common artifacts like shadow acne, and optimizing shadow performance for different use cases.
  • Environment & Advanced Lighting: Guidance for setting up image-based lighting (IBL) with HDR environment maps, light probes, and common pre-built lighting rigs like three-point lighting for product visualization and studio scenes.
  • Use Case Example: A developer building a 3D e-commerce product configurator can use this skill to set up a studio lighting rig with soft shadows and HDR environment maps to make product renders look photorealistic without excessive performance overhead.

Quick Start

Use the threejs-lighting skill to configure a basic three-point lighting setup with soft shadow support for your Three.js 3D scene.

Frequently Asked Questions about threejs-lighting

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

FAQPage Schema
How do I fix shadow artifacts like shadow acne in Three.js?▼

To fix shadow artifacts like shadow acne in Three.js, configure shadow maps and adjust shadow bias settings. This skill provides step-by-step instructions for enabling shadows and resolving common visual glitches for clean renders.

What is the best way to set up image-based lighting in Three.js?▼

The best way to set up image-based lighting (IBL) in Three.js is using HDR environment maps and light probes. This skill guides configuration of environment lighting to achieve photorealistic reflections and global illumination.

How do I configure a three-point lighting rig for 3D product visualization?▼

To configure a three-point lighting rig for 3D product visualization in Three.js, combine AmbientLight, DirectionalLight, and SpotLight with soft shadow support. This skill details use case recommendations for studio renders.

Why does my Three.js scene have poor runtime performance when scaling lights?▼

Poor Three.js runtime performance when scaling lights often stems from unoptimized shadow maps. This skill provides performance tuning guidance to balance visual quality and runtime efficiency across complex 3D scenes.

When should I use RectAreaLight versus PointLight in Three.js?▼

Use RectAreaLight in Three.js for realistic studio softbox lighting, and PointLight for omnidirectional illumination. This skill covers detailed configuration and use case recommendations for all core Three.js light types.

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