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Smoke

Brickyard : Functions > Volume

The Smoke brick implements the Ray Marcher algorithm in a wrapper, making it easier to use. This provides a more varigated effect than the Simple Fog brick.

Snapshot

Parameters

Outputs

  • Smoke Color : Color - Description…
  • Smoke Opacity : Color - Description…

Inputs

  • P1) : Point - Description…
  • I2) : Point - Description…
  • Ci3) : Color - Description…
  • Oi4) : Color - Description…
  • Opacity Density : Float - Description…
  • Light Density : Float - Description…
  • Integration Start : Float - Description…
  • Integration End : Float - Description…
  • Step Size : Float - Description…
  • Max Steps : Float - Description…
  • Scatter : Color - Description…
  • Octaves : Description…
  • Frequency : Description…
  • Smoke Variance : Description…

Examples

In a Camera

  • The Smoke brick can be used to create a volumetric camera:

  • The Smoke sample scene includes an example of a volumetric camera.

In a Material

  • It can also be used to make a material shader that makes an object appear as a volume, using the “interior” option (shown here with a parented spotlight):
1) , 2) , 3) , 4)
Available when Show Advanced is checked in the Brick Option Menu.