![]() This is the distance from the camera over which Volumetric Fog will be computed. Clouds, fog, and mist, which are based on water particles, have an Albedo close to 1.Ĭontrols how much the participating media blocks light. This is the overall reflectiveness of the participating media. This determines how directional the volumetric scattering is a value of 0, means light scatters equally in all directions, while a value close to 1 causes scattering, predominantly in the direction of the light (you have to be looking at the light to see its scattering). The exponential height distribution provides a global density for Volumetric Fog. Volumetric Fog controls can be found in the Exponential Height Fog component under the Volumetric Fog section. To control Volumetric Fog, you can adjust the properties in your Exponential Height Fog and on each Light to control the Light's contribution amount. The local controls enable you to control fog by way of a particle system in areas where the particles can spawn. The global controls enable you to use the Exponential Height Fog component to control fog for the the entire scene. When setting up and adjusting Volumetric Fog, you can control it globally or locally in your scene. In this scene, Volumetric Fog is coming from the directional light source off screen through the arch and surrounding area to create shadowed fog.
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