Version: Unity 6.3 Beta (6000.3)
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LightingSettings.packingAttempts

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public int packingAttempts;

Description

The number of packing attempts before determining the most efficient layout.

Higher values may produce more efficient layouts but take longer to calculate.

This setting only has an effect when using LightingSettings.LightmapPackingMethod.XAtlas.

Additional resources: LightingSettings.lightmapPackingMethod, LightingSettings.lightmapPackingMode.

Is something described here not working as you expect it to? It might be a Known Issue. Please check with the Issue Tracker at issuetracker.unity3d.com.

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