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threejs-lighting

Implement and optimize lighting in Three.js scenes with shadows and environment lighting.

Updated Mar 18, 2025
Search Tags:#three.js#lighting#shadows#ibl#environment-lighting#real-time-rendering
One-click install
npx skills add https://github.com/utsavm81098/88-residences --skill threejs-lighting-utsavm81098
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: threejs-lighting
Source: https://github.com/utsavm81098/88-residences/tree/main/.agents/skills/threejs-lighting
Command: npx skills add https://github.com/utsavm81098/88-residences --skill threejs-lighting-utsavm81098

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Guides developers in implementing and optimizing lighting in Three.js scenes, covering light types, shadows, and environment lighting to achieve realistic renders.

Core Features & Use Cases

  • Light type coverage: Ambient, Directional, Point, and Spot lights with practical use cases.
  • Shadows & performance: Shadow tuning, map sizes, bias adjustments, and performance trade-offs.
  • Environment lighting: HDRI/IBL setup for realistic reflections and backgrounds.
  • Debugging & tooling: Light helpers and visual aids to tune scenes.

Quick Start

Set up an ambient light and a directional light, then enable shadows for realistic rendering.

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?▼

To set up realistic lighting in Three.js, combine ambient and directional lights, enable shadow maps, and apply environment lighting like HDRI for accurate reflections and global illumination.

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

Configuring shadows in Three.js requires enabling shadow maps, tuning shadow map sizes, and adjusting bias to eliminate artifacts while balancing performance trade-offs in real-time rendering.

Why do my Three.js shadows look pixelated or have artifacts?▼

Pixelated shadows in Three.js occur due to low shadow map sizes or incorrect bias settings, requiring adjustments to shadow map resolution and bias tuning to resolve visual artifacts.

How does environment lighting work for reflections in Three.js?▼

Environment lighting in Three.js uses image-based lighting (IBL) with HDRI textures to simulate realistic reflections and background illumination across diverse WebGL scene setups.

What light types should I use for real-time rendering in Three.js?▼

For real-time rendering in Three.js, use ambient lights for base illumination, directional lights for sun shadows, point lights for bulbs, and spot lights for focused beams.

Can I use light helpers to debug illumination in Three.js?▼

Yes, you can use light helpers and visual aids in Three.js to debug illumination, allowing you to visually tune light positions, directions, and shadow configurations effectively.

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