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| Tip |
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To use Enlighten, in project settings, Allow Enlighten must be enabled, and Dynamic Global Illumination Method must be None. Both MegaLights and Lumen reflections can optionally be used in combination with Enlighten indirect lighting. |
Enlighten provides indirect lighting only for Stationary lights and Movable lights. We recommend to make all lights in your level Movable.
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- For point and spot lights that move, turn off shadows or use Shadow Map Caching (Unreal Engine documentation)
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- Movable directional lights cast shadows for the whole level and therefore incur the most cost. Where possible, disable shadowcasting per actor.
- Depending on the level, general optimization techniques such as merging actors (Unreal Engine documentation)
- MegaLights provides efficient dynamic shadows for scenes with many light sources.
Each of the above optimizations requires additional artist time to configure the level. We recommend that you apply each optimization only if you have problems with the cost of dynamic shadows.
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