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Fixed in Unity 5.5.0



Found in


Issue ID




[Geomerics][FG] Final gather doesn't take 'Backface Tolerance' into account when building lightmaps

Global Illumination



Priority: 3Not yet prioritized for a release


Severity: 2Core functionality majorly impacted

Steps to reproduce:

1. Open the attached project
2. Open 'backface' scene
3. Build the lightmaps with the set settings ("sa" lightmap parameters have 'Backface Tolerance' set to 0, all other settings are left as defalt)
4. Notice there are two planes in the scene and the upper plane is casting a shadow onto the bottom one
5. Enable 'Final Gather'
6. Rebuild the lightmaps
7. Notice there is no shadow

Regression from 4.x

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