Document how to avoid light leaks with GIProbe and SDFGI

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Hugo Locurcio 2021-03-28 01:04:23 +01:00
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<member name="sdfgi_cascades" type="int" setter="set_sdfgi_cascades" getter="get_sdfgi_cascades" enum="Environment.SDFGICascades" default="1">
</member>
<member name="sdfgi_enabled" type="bool" setter="set_sdfgi_enabled" getter="is_sdfgi_enabled" default="false">
If [code]true[/code], enables signed distance field global illumination.
[b]Note:[/b] Meshes should have sufficiently thick walls to avoid light leaks (avoid one-sided walls). For interior levels, enclose your level geometry in a sufficiently large box and bridge the loops to close the mesh.
</member>
<member name="sdfgi_energy" type="float" setter="set_sdfgi_energy" getter="get_sdfgi_energy" default="1.0">
</member>