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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
  • 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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Real-world sun/sky intensity

    This is the documentation for Enlighten.

    Real-world sun/sky intensity

    May 18, 2020

    To simulate real-world intensity of sunlight, set the Directional Light intensity to around 2000. 

    For D3D11, D3D12, PS4, Xbox One and Switch, this produces good results with Enlighten.

    For other platforms, in a level with a directional light with an Intensity of above 16, or a sky light with Intensity above 1000, you may notice darker-than-expected indirect lighting with Enlighten lightmaps. This is because Enlighten lightmaps use a fixed-point HDR representation on these platforms.

    In this scenario, Enlighten indirect lighting looks dark and flat. To prevent the issue on these platforms, we recommend limiting the intensity of the directional light to a maximum of 10.


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