Description
Join Dan Hutnik and Daryl Obert as they walk through what MegaLights is, how it works, and how to set it up, along with best practices for lighting with MegaLights and the tips and tricks they use to get the most out of it in their projects. Whether you're already familiar with lighting in UE5 or just getting started, they'll cover everything you need to know to incorporate MegaLights into your workflows and get the most out of its capabilities.
Timestamps:
0:00 Opening
4:57 Introduction: Daryl Obert (Technical Marketing, Epic)
8:13 What are MegaLights? Overview & core concept
11:42 Switching to demo computer
12:35 Documentation overview: what MegaLights replaces
14:37 History of lighting: vertex lighting, light baking, and Lumen
20:31 MegaLights configuration: project settings & per-light toggle
24:16 Light types & attenuation radius explained
27:00 Per-pixel sample budget & light complexity view mode
29:17 Stress test: 200 overlapping shadow-casting lights
33:10 Comparison: same scene without MegaLights enabled
34:46 Practical example: multiple overlapping shadow-casting lights
38:46 Attenuation radius & exposure settings deep dive
44:07 Custom “smart light” blueprint for auto-scaling attenuation
52:42 Light setup walkthrough: windows, blockers, and soft shadows
59:37 Q&A round 1: warehouse lighting, post-launch adjustments, DMX lights
1:13:34 Transition to Daryl’s demo scene
1:24:20 Scene breakdown: Fab assets, vehicles, and materials
1:27:58 Particle & translucency fixes (output depth/velocity)
1:31:54 MegaLights light stacking on vehicle headlights
1:35:23 Light channels / light linking (new in 5.8)
1:37:00 Complex headlight fixture: multi-light setup & IES profiles
1:45:13 Translucent surfaces & hair shading improvements
1:45:48 Skybox, celestial vault plugin, and sky bloom trick
1:52:55 Day/night cycle via material parameter collection
2:03:59 Directional light best practices (why not to use MegaLights on the sun)
2:08:53 Fill lights & specular scale tips
2:18:56 Q&A round 2 begins
2:21:02 Local exposure settings deep dive
2:28:13 Q&A: static lighting, VRAM, vehicle light counts
2:38:01 Render resource review: checking MegaLights’ memory cost
2:43:13 Final Q&A: hardware ray tracing requirement
2:45:12 Closing