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Fix volumetric fog not rendering at densities lower than or equal to 0.001

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This allows volumetric fog to render with the lowest density that
can be specified in the inspector (0.0001).
This commit is contained in:
Hugo Locurcio
2022-10-12 19:56:03 +02:00
parent ea47e03b36
commit 6aebc7b66e
3 changed files with 3 additions and 1 deletions
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doc/classes/FogMaterial.xml
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@@ -15,6 +15,7 @@
</member>
<member name="density" type="float" setter="set_density" getter="get_density" default="1.0">
The density of the [FogVolume]. Denser objects are more opaque, but may suffer from under-sampling artifacts that look like stripes. Negative values can be used to subtract fog from other [FogVolume]s or global volumetric fog.
[b]Note:[/b] Due to limited precision, [member density] values between [code]-0.001[/code] and [code]0.001[/code] (exclusive) act like [code]0.0[/code]. This does not apply to [member Environment.volumetric_fog_density].
</member>
<member name="density_texture" type="Texture3D" setter="set_density_texture" getter="get_density_texture">
The 3D texture that is used to scale the [member density] of the [FogVolume]. This can be used to vary fog density within the [FogVolume] with any kind of static pattern. For animated effects, consider using a custom [url=$DOCS_URL/tutorials/shaders/shader_reference/fog_shader.html]fog shader[/url].