This tutorial shows how to create God Rays effect in V-Ray using the Environment Fog feature.
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Step-by-step Guide
To create God rays effect in V-Ray for Cinema4D, follow the steps below.
The example scene can be downloaded from here.
Create a camera, e.g., V-Ray Physical Cam.
Create a light, e.g., V-Ray Sun.
Add EnvironmentFog effect from: V-Ray > Volumetrics > Environment Fog.
At this point, Environment Fog should be visible in the rendered image. To achieve a more convincing effect, adjust the Fog Color, Fog Distance, and Fog Height parameters accordingly.
Fog Distance and Fog Height parameters operate in Scene Units. For easier setup, it is recommended to know the size/scale of the scene.
4. The Fog Color parameter determines the color of the fog.
5. The Fog Distance parameter controls the fog density. Larger values make it more transparent, whereas smaller values make it more dense.
6. The Fog Height parameter determines the height of the fog.
For a more realistic effect, set the Fog Height to be higher than the position of the camera and, if the scene allows it, to cover any visible parts of the scene.