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Merge pull request #55276 from Calinou/volumetric-fog-tweak-default-gi-inject

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Tweak default fog settings for better appearance
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Rémi Verschelde 2022-08-01 07:55:53 +02:00 committed by GitHub
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3 changed files with 13 additions and 12 deletions
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9
doc/classes/Environment.xml
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@ -97,7 +97,7 @@
Blend factor between the fog's color and the color of the background [Sky]. Must have [member background_mode] set to [constant BG_SKY].
This is useful to simulate [url=https://en.wikipedia.org/wiki/Aerial_perspective]aerial perspective[/url] in large scenes with low density fog. However, it is not very useful for high-density fog, as the sky will shine through. When set to [code]1.0[/code], the fog color comes completely from the [Sky]. If set to [code]0.0[/code], aerial perspective is disabled.
</member>
<member name="fog_density" type="float" setter="set_fog_density" getter="get_fog_density" default="0.001">
<member name="fog_density" type="float" setter="set_fog_density" getter="get_fog_density" default="0.01">
The exponential fog density to use. Higher values result in a more dense fog.
</member>
<member name="fog_enabled" type="bool" setter="set_fog_enabled" getter="is_fog_enabled" default="false">
@ -109,7 +109,7 @@
<member name="fog_height_density" type="float" setter="set_fog_height_density" getter="get_fog_height_density" default="0.0">
The density used to increase fog as height decreases. To make fog increase as height increases, use a negative value.
</member>
<member name="fog_light_color" type="Color" setter="set_fog_light_color" getter="get_fog_light_color" default="Color(0.5, 0.6, 0.7, 1)">
<member name="fog_light_color" type="Color" setter="set_fog_light_color" getter="get_fog_light_color" default="Color(0.518, 0.553, 0.608, 1)">
The fog's color.
</member>
<member name="fog_light_energy" type="float" setter="set_fog_light_energy" getter="get_fog_light_energy" default="1.0">
@ -320,8 +320,9 @@
<member name="volumetric_fog_enabled" type="bool" setter="set_volumetric_fog_enabled" getter="is_volumetric_fog_enabled" default="false">
Enables the volumetric fog effect. Volumetric fog uses a screen-aligned froxel buffer to calculate accurate volumetric scattering in the short to medium range. Volumetric fog interacts with [FogVolume]s and lights to calculate localized and global fog. Volumetric fog uses a PBR single-scattering model based on extinction, scattering, and emission which it exposes to users as density, albedo, and emission.
</member>
<member name="volumetric_fog_gi_inject" type="float" setter="set_volumetric_fog_gi_inject" getter="get_volumetric_fog_gi_inject" default="0.0">
Scales the strength of Global Illumination used in the volumetric fog. A value of [code]0[/code] means that Global Illumination will not impact the volumetric fog.
<member name="volumetric_fog_gi_inject" type="float" setter="set_volumetric_fog_gi_inject" getter="get_volumetric_fog_gi_inject" default="1.0">
Scales the strength of Global Illumination used in the volumetric fog. A value of [code]0.0[/code] means that Global Illumination will not impact the volumetric fog.
[b]Note:[/b] Only [VoxelGI] and SDFGI ([member Environment.sdfgi_enabled]) are taken into account when using [member volumetric_fog_gi_inject]. Global illumination from [LightmapGI], [ReflectionProbe] and SSIL (see [member ssil_enabled]) will be ignored by volumetric fog.
</member>
<member name="volumetric_fog_length" type="float" setter="set_volumetric_fog_length" getter="get_volumetric_fog_length" default="64.0">
The distance over which the volumetric fog is computed. Increase to compute fog over a greater range, decrease to add more detail when a long range is not needed. For best quality fog, keep this as low as possible.

8
scene/resources/environment.h
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@ -175,10 +175,10 @@ private:
// Fog
bool fog_enabled = false;
Color fog_light_color = Color(0.5, 0.6, 0.7);
Color fog_light_color = Color(0.518, 0.553, 0.608);
float fog_light_energy = 1.0;
float fog_sun_scatter = 0.0;
float fog_density = 0.001;
float fog_density = 0.01;
float fog_height = 0.0;
float fog_height_density = 0.0; //can be negative to invert effect
float fog_aerial_perspective = 0.0;
@ -194,8 +194,8 @@ private:
float volumetric_fog_anisotropy = 0.2;
float volumetric_fog_length = 64.0;
float volumetric_fog_detail_spread = 2.0;
float volumetric_fog_gi_inject = 0.0;
float volumetric_fog_ambient_inject = false;
float volumetric_fog_gi_inject = 1.0;
float volumetric_fog_ambient_inject = 0.0;
bool volumetric_fog_temporal_reproject = true;
float volumetric_fog_temporal_reproject_amount = 0.9;
void _update_volumetric_fog();

8
servers/rendering/storage/environment_storage.h
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@ -67,10 +67,10 @@ private:
// Fog
bool fog_enabled = false;
Color fog_light_color = Color(0.5, 0.6, 0.7);
Color fog_light_color = Color(0.518, 0.553, 0.608);
float fog_light_energy = 1.0;
float fog_sun_scatter = 0.0;
float fog_density = 0.001;
float fog_density = 0.01;
float fog_height = 0.0;
float fog_height_density = 0.0; //can be negative to invert effect
float fog_aerial_perspective = 0.0;
@ -84,10 +84,10 @@ private:
float volumetric_fog_anisotropy = 0.2;
float volumetric_fog_length = 64.0;
float volumetric_fog_detail_spread = 2.0;
float volumetric_fog_gi_inject = 0.0;
float volumetric_fog_gi_inject = 1.0;
float volumetric_fog_ambient_inject = 0.0;
bool volumetric_fog_temporal_reprojection = true;
float volumetric_fog_temporal_reprojection_amount = 0.9;
float volumetric_fog_ambient_inject = 0.0;
// Glow
bool glow_enabled = false;