ShaderLab syntax: Fog

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Fog parameters are controlled with Fog command.

Fogging blends the color of the generated pixels down towards a constant color based on distance from camera. Fogging does not modify a blended pixel’s alpha value, only its RGB components.

Syntax

Fog

    Fog {Fog Commands}

Specify fog commands inside curly braces.

Mode

    Mode Off | Global | Linear | Exp | Exp2

Defines fog mode. Default is global, which translates to Off or Exp2 depending whether fog is turned on in Render Settings.

Color

    Color ColorValue

Sets fog color.

Density

    Density FloatValue

Sets density for exponential fog.

Range

    Range FloatValue, FloatValue

Sets near & far range for linear fog.

Details

Default fog settings are based on Render Settings: fog mode is either Exp2 or Off; density & color taken from settings as well.

Note that if you use fragment programs, Fog settings of the shader will still be applied. On platforms where there is no fixed function Fog functionality, Unity will patch shaders at runtime to support the requested Fog mode.

ShaderLab syntax: Texture Combiners

ShaderLab syntax: Alpha testing

Unity Manual