a5c-ai/unreal-lumen
library/specializations/game-development/skills/unreal-lumen/SKILL.md
Unreal Engine Lumen skill for global illumination, reflections, and dynamic lighting.
$ install --global
skillsauthnpx skillsauth add a5c-ai/babysitter unreal-lumenInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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Last scanned: Apr 2, 2026, 12:18 PM65.3s2 files scanned
SKILL.md
- name:
- unreal-lumen
- description:
- Unreal Engine Lumen skill for global illumination, reflections, and dynamic lighting.
- allowed-tools:
- Read, Grep, Write, Bash, Edit, Glob, WebFetch
Unreal Lumen Skill
Lumen global illumination and reflections for Unreal Engine.
Overview
This skill provides capabilities for implementing Lumen dynamic global illumination and reflections in Unreal Engine.
Capabilities
Global Illumination
- Configure Lumen GI settings
- Handle final gather
- Manage infinite bounces
- Optimize trace settings
Reflections
- Configure reflection method
- Handle screen traces
- Manage reflection captures
- Optimize quality settings
Integration
- Combine with Nanite
- Handle emissive materials
- Manage sky light
- Configure exposure
Performance
- Hardware ray tracing option
- Software ray tracing fallback
- Scene complexity handling
- Platform scalability
Prerequisites
- Unreal Engine 5.0+
- Modern GPU (RTX for HW RT)
Usage Patterns
Project Settings
Lumen Global Illumination:
- Enable in Project Settings
- Configure final gather quality
- Set trace distance
- Configure scene detail
Post Process Volume
1. Add Post Process Volume
2. Enable Infinite Extent
3. Configure Lumen settings
4. Adjust quality per area
Best Practices
- Use emissive for small lights
- Keep scenes well-lit
- Avoid very dark areas
- Profile with Lumen visualizations
- Test SW and HW ray tracing
References
- Lumen Documentation
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