You create illuminated fog by adding it to an existing light.
To create fog that fills the entire scene, not just within the illumination of a specific light, use the Environment Fog Volumetric
material. See Environment Fog.
To add illuminated fog to a light
- Select the light for which you want to illuminate fog.
- In the section of the light’s , click the map button beside the attribute.
Maya automatically creates a light fog node, connects it to the light node, and displays its .
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