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Volume Projected

Volume projected object is used to create light beams from directional light sources, such as car headlights, searchlights or beacon light. It can also be animated to simulate a flow of particles that moves from the light source or even swirls. Only a volume proj material can be assigned to it.

Volume projected objects

Volume projected objects

Projected volume is rendered as a simple particle system. It is a number of billboards, where each following billboard is bigger than the previous one.

Billboards of a volume projected object

Billboards of a volume projected object

See also#

Creating a Projected Object#

To create a Projected object, perform the following steps:

  1. On the Menu bar, click Create -> Volume -> Projected.

  2. Place the Projected object somewhere in the world.
  3. Specify the Projected object parameters.

Projected Parameters#



In the Volume Projected section (Parameters window -> Node tab), you can adjust the following parameters of the volume projected object:

Size Size of the smallest billboard in units. By the minimum value of 0, the volume projected is not rendered at all.
Radius Length of the light beam along the Z axis in units.
FOV Width of the light beam. It is specified as the angle of the beam cone (in degrees).
  • By the minimum value of 10, the beam is most narrow.
  • By the maximum value of 90, the beam is most wide.
Step Distance between neighboring billboards.
  • The lower the step is, the smoother the beam since more billboards are rendered.
  • The higher the step, the more discrete the beam, but the higher the performance is.
Velocity Velocity with which billboards move to the end of the beam (along the Z axis).
Rotation Angle of billboards rotation (in degrees). This angle is set for the billboard at the end of the beam.
  • If positive, all billboards rotate clockwise.
  • If negative, all billboards rotate counterclockwise.

Positive rotation angle
Positive rotation angle
Last update: 2019-08-16
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