This course provides an in-depth exploration of Lumen, Unreal Engine 5's Global Illumination and Reflections system. By the end of the course, learners will understand the goals and features of Lumen, how to enable and optimize it, and its various settings and controls. They will also gain insights into the hybrid tracing pipeline, mesh distance fields, surface caching, and different types of reflections. The course covers best practices for using Lumen, including handling emissive materials, base colors, and indirect lighting intensity. The teaching method includes presentations, demonstrations, and a question and answer session. This course is intended for individuals interested in understanding and utilizing Unreal Engine 5's advanced lighting and reflection capabilities.
Overview
Syllabus
Countdown
News
Karma Earners
Community Spotlights
Inside Unreal Graphic Intro
Stream Introductions
Presentation
Lumen Goals
Lumen Features
Lumen Settings
Main Controls
How Lumen Works
Hybrid Tracing Pipeline
Mesh Distance Fields
Surface Cache
Visualize LumeScene
Optimization
Software Tracing Limitations
Hardware Ray Tracing
Final Gather
Ray Traces are Slow
Screen Space Radiance Caching
Heavily Downsampled Tracing
World Space Radiance Caching
Tracing Summary
Lumen Final Gather
Reflections
Lumen Reflections
Reflections with HW Tracing
Lumen Reflections vs Ray Traced Reflections
Best Practices
Emissive
Base Color
Indirect Lighting Intensity
Surface Cache
Platforms
Performance
Hope to have for 5.0 Release
Feedback
History of Lumen
Lumen Content Examples
Quick Break Start
Quick Break End
Question and Answers Session
Information and Stream Wrap Up
Taught by
Unreal Engine
