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Enlighten UE4 3.10 Documentation
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  • Welcome to Enlighten
  • How Enlighten works
  • Install and build
  • Beginner tutorials
  • From static to dynamic lighting
  • How actors interact with Enlighten
  • Lightmap lighting
  • Probe lighting
    • Probe placement
    • Probe sampling
  • Local reflections
  • Change the lighting resolution
  • World properties
  • Level properties
  • Precompute your level
  • Enlighten light properties
  • Light reflected from the sky
  • Material properties
  • Light volumetric fog
  • Turn off Enlighten updates in game
  • Mesh destruction
  • LOD for lighting
  • Real-world sun/sky intensity
  • Collaborate on a level
  • Reserved texture samplers
  • Visualizations and statistics
  • Debug with Enlighten tools
  • Convert to vanilla UE4
  • Troubleshooting and support
  • Third-party licences
  • Release notes
    Calendars
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Probe lighting

    This is the documentation for Enlighten.

    Probe lighting

    May 18, 2020

    The UE4 renderer samples Enlighten probes to provide diffuse indirect lighting for both static and non-static actors.

    It can be difficult to produce efficient lightmap UVs for meshes with complex organic shapes or many small parts; these meshes might be more efficiently lit using probes.

    Enlighten probes provide lighting for a volume of space. Enlighten determines the nearby probes to sample from based on the location of each mesh.

    Enlighten automatically places probes in your level. You only need to specify the desired probe spacing for each area of the level.

    The image above shows probes automatically placed by Enlighten. Enlighten varies the density automatically, so there are fewer probes in the middle of the room.


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