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threejs-lighting

Configure Three.js lighting with ambient, directional, point, and spot lights.

1|Updated Dec 6, 2023
Search Tags:#rendering#webgl#three.js#lighting#shadows#ibl
One-click install
npx skills add https://github.com/tadams95/kardashev-network --skill threejs-lighting-tadams95
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: threejs-lighting
Source: https://github.com/tadams95/kardashev-network/tree/main/.claude/skills/threejs-lighting
Command: npx skills add https://github.com/tadams95/kardashev-network --skill threejs-lighting-tadams95

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill helps developers configure and optimize lighting in Three.js scenes, reducing time spent on setup, debugging, and achieving realistic renders.

Core Features & Use Cases

  • Light type reference: Guidance for AmbientLight, HemisphereLight, DirectionalLight, PointLight, SpotLight, and RectAreaLight.
  • Shadow and IBL setup: Instructions for enabling shadows and integrating HDRI-based environment lighting.
  • Three-point lighting: Techniques to craft a cinematic lighting rig in Three.js.
  • Use Case: Example workflows for product showcases, games, or interactive demos with believable lighting.

Quick Start

Configure a Three.js scene with AmbientLight, DirectionalLight, and an HDR environment map to implement realistic lighting and shadows.

Frequently Asked Questions about threejs-lighting

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

FAQPage Schema
How do I configure realistic Three.js lighting using HDRI environment maps?▼

To configure realistic Three.js lighting, combine AmbientLight, DirectionalLight, and an HDRI environment map. This setup provides ambient base lighting, directional shadows, and image-based lighting reflections for believable real-time 3D scenes.

What Three.js light types should I use for different scene requirements?▼

For Three.js lighting, use AmbientLight and HemisphereLight for base illumination, DirectionalLight for sunlight and shadows, PointLight and SpotLight for localized effects, and RectAreaLight for rectangular panel lighting in real-time 3D scenes.

How do I enable and tune shadows in a Three.js scene?▼

Enabling Three.js shadows requires activating shadow maps on DirectionalLight or SpotLight, configuring shadow camera bounds, and tuning bias. This ensures accurate depth rendering and eliminates shadow artifacts in WebGL scenes.

Can I set up a cinematic three-point lighting rig in Three.js?▼

Yes, you can build a cinematic three-point lighting rig in Three.js. This technique composes key, fill, and back lights using DirectionalLight or SpotLight to create depth, highlight subjects, and achieve professional lighting for 3D product showcases.

Does Three.js lighting work for web-based interactive demos and games?▼

Three.js lighting works for web-based interactive demos and games. It supports real-time rendering with various light types, HDRI-based environment lighting, and shadow tuning to deliver believable visuals directly in WebGL browsers.

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