How Are Volumetric Clouds Rendered?

Volumetric Clouds Rendered

In order to create volumetric clouds, a volume material is used with a Volumetric Advanced Output or Input. This material contains various attributes that can be adjusted by the artist. Some of the attributes can be controlled using material instancing, while some cannot. For example, you can set the color of the material to grayscale if you only consider the R (red) channel of the input parameters. This will reduce the amount of time needed to render each pixel of a material.

The volume texture is composed of multiple two-dimensional images stacked on top of each other. These images are then mapped to the volumetric model. In addition to providing the initial look of a cloud, volume textures also define different types of clouds and their effects. For example, the volume texture can be used to simulate the volume of a city, a mountain, or a cloud in a landscape.

If you’re creating a game or other project, you can add volumetric clouds using the Volumetric Cloud plugin. There are different types of clouds available for use with the plugin, and you can use any of them for your project. The files you use will be located in /Content/Sky/Materials. Each material will have a prefix of M_Volumetric_Cloud_. After applying the material to your Volumetric Cloud component, you can adjust the parameters of your volumetric clouds with the Material Instance.

How Are Volumetric Clouds Rendered?

Volumetric clouds are made using two main types of textures: the Cloud Map and Clout LUT texture. The Cloud Map and Clout LUT textures define the shape of volumetric clouds. These are channel-packed grayscale textures and are not trivial to create. The Cloud Control Manual is best used if you need very specific clouds.

The Volumetric Effect Clouds plugin also supports a number of options for setting the density of the cloud. The first one, SetCoverScale, sets the minimum cover value in the sky, and the second, SetDensity, sets the final density of the cloud. The third one, SetErosionArray, allows you to add a 3D noise texture to the cloud.

The Volumetric Cloud component is an advanced cloud rendering system that uses a material-driven approach to create artist-defined clouds. It handles all of the necessary elements such as Sky Atmosphere, Sky Light, and dynamic time of day. The system can also adapt to different views of the earth as well as transitions from the ground to outer space.

Another way to improve the quality of volumetric clouds is through the advanced workflow. The Advanced Mode uses separate textures for each type of cloud and generates a cloud map from them. This advanced mode bypasses the engine optimizations and can significantly improve performance. If you want to achieve a cinematic look, increase the number of samples.