To keep MegaLights working well within a scene, it’s best to avoid placing lights inside scene geometry and to optimize a light’s bounds. You can use the console command r.MegaLights.Debug 1 to visualize where rays are being sent from a selected pixel. You can freeze a selected ray using this console command r.ShaderPrint.Lock 1, which allows you to fly around the scene to inspect traced rays.

To keep MegaLights working well within a scene, it’s best to avoid placing lights inside scene geometry and to optimize a light’s bounds. You can use the console command r.MegaLights.Debug 1 to visualize where rays are being sent from a selected pixel. You can freeze a selected ray using this console command r.ShaderPrint.Lock 1, which allows you to fly around the scene to inspect traced rays.

https://dev.epicgames.com/documentation/en-us/unreal-engine/megalights-in-unreal-engine

Metaverse Educational Facilitator and Creative Artist

Megalights is the future. Can't wait for grooms to work properly. 

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