UEConsole Commands
VariableConsole VariableRenderer

r.Lumen.Reflections.RadianceCache

r.Lumen.Reflections.RadianceCache is a console variable in Unreal Engine 5 (UE5). See what r.Lumen.Reflections.RadianceCache does, its values, and how to use this cvar in the Unreal console below.

Category: Renderer · Namespace: r

Help

Whether to reuse Lumen\'s ScreenProbeGather Radiance Cache, when it is available. When enabled, reflection rays from rough surfaces are shortened and distant lighting comes from interpolating from the Radiance Cache, speeding up traces.

Usage

Unreal console (open with ~)
> r.Lumen.Reflections.RadianceCache 1

Console variables take a value. Replace 1 with the setting you need. Run it with no value to print the current one.

Related in r