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threejs-lighting

Implement Three.js lighting models and shadow rendering techniques.

45|50|Updated Jan 24, 2026
Search Tags:#javascript#webgl#3d graphics#threejs#lighting#shadows
One-click install
npx skills add https://github.com/zocomputer/skills --skill threejs-lighting-zocomputer
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: threejs-lighting
Source: https://github.com/zocomputer/skills/tree/main/External/threejs-lighting
Command: npx skills add https://github.com/zocomputer/skills --skill threejs-lighting-zocomputer

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps developers understand and implement various lighting techniques and shadow configurations within the Three.js 3D graphics library, enabling more realistic and visually appealing scenes.

Core Features & Use Cases

  • Light Types: Covers Ambient, Hemisphere, Directional, Point, Spot, and RectArea lights.
  • Shadows: Detailed setup for enabling and optimizing shadows for different light types.
  • Environment Lighting: Implementation of Image-Based Lighting (IBL) using HDR maps.
  • Use Case: When building a 3D product configurator, use this Skill to correctly set up studio lighting and realistic shadows to showcase product details effectively.

Quick Start

Use the threejs-lighting skill to add an ambient light and a directional light to your Three.js 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 Three.js lighting and shadows for a 3D scene?▼

Three.js supports Ambient, Hemisphere, Directional, Point, Spot, and RectArea lights. This range covers broad scene illumination to focused spot lighting, enabling diverse lighting models for various 3D graphics applications.

Can I use Image-Based Lighting and HDR maps in Three.js?▼

Yes, you can implement Image-Based Lighting (IBL) in Three.js using HDR maps. This environment lighting technique captures realistic reflections and global illumination to enhance the visual fidelity of your 3D models.

What is the best way to configure realistic shadows in Three.js?▼

The best way to configure realistic shadows in Three.js is enabling shadow casting on specific light types and optimizing shadow maps. This Skill details shadow setup for different lights to produce accurate scene shading.

How do I create studio lighting for a 3D product configurator using Three.js?▼

Create studio lighting in a 3D product configurator by combining Ambient and Directional lights with RectArea lights. This setup showcases product details effectively and casts realistic shadows.

Why are my Three.js shadows not rendering correctly?▼

Three.js shadows may fail to render if shadow maps are not enabled on the renderer or if light shadow cameras are misconfigured. Use helper classes to visualize and optimize shadow boundaries and resolve rendering issues.

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