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volume_shaft_base

A volume_shaft_base material is used to create beams of light falling into a dark room through windows or any other openings. In case colored glass is used for windows, beams also will be colored.

This material is applied only to Volume boxes.

Volume shaft material

Volume shaft material

States

The volume_shaft_base material has the following states.

States

Material Editor, States tab.

Height

This state determines if the intensity of light shafts reduces depending on height. By default this state is disabled. This state enables the Falloff parameter.

Camera position based

This state determines if light shafts are to be rendered relative to current camera position. By default this state is disabled. This state enables the Radius parameter.

Parameters

Parameters

Material Editor, Parameters tab.

Base Parameters

  • Diffuse - Determines the diffuse color multiplier for light shafts.

Density Parameters

  • Power - Determines overall intensity. By the minimum value of 1 the border of the light rays is smoooth. The higher the value the sharper is the border of light rays.

  • Multiplier - Determines the density scale of the environment.

  • Falloff - Determines the reduction of intensity of light rays depending on height.
    Notice
    This parameter is available only when the Height state is enabled.

  • Radius - Determines the visibility distance of the rays, measured from the camera position, in meters.
    Notice
    This parameter is available only when the Camera position based state is enabled.

Other Parameters

  • Rays jitter - Determines smoothness of light rays. The higher the value, the smoother the rays.

  • Step jitter This parameter can be used to remove banding effect and make the rays look smoother. The higher the value, the smoother the rays.

  • Bias .
  • Samples - Number of depth samples used. The more samples, the higher is the quality.
    Notice
    To increase performance, use low Sample values.

Last update: 03.07.2017
Build: ()