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Unigine::ObjectVolumeOmni Class

Header: #include <UnigineObjects.h>
Inherits: Object

This class is used to create a volume omni object. It simulates a visible volume of light emitted from a flat light source.

The volume omni object is rendered as a flat rectangle and billboards around its edges. The rectangle simulates a light emitting surface and billboards create a light volume around it.

See Also#

A UnigineScript API sample <UnigineSDK>/data/samples/objects/volumes_03

ObjectVolumeOmni Class

Members


static ObjectVolumeOmniPtr create ( float width, float height, float radius ) #

Constructor. Creates a new volume omni object with given properties.

Arguments

  • float width - Width of the central rectangle in units.
  • float height - Height of the central rectangle in units.
  • float radius - Size of billboards in units.

void setAttenuation ( float attenuation ) #

Sets attenuation that controls how fast the volume omni object fades out when a camera looks at it from a side.

Arguments

  • float attenuation - Attenuation factor. If a too small value is provided, 1E-6 will be used instead.

float getAttenuation ( ) const#

Returns attenuation that modulates smooth fading of the volume omni object when the camera looks at it from a side.

Return value

The current attenuation factor.

float getHeight ( ) const#

Returns the height of the central flat rectangle in units.

Return value

The height of the central rectangle in units.

void setRadius ( float radius ) #

Sets the width of billboards at the edges.

Arguments

  • float radius - A new width in units. If a negative value is provided, 0 will be used instead.

float getRadius ( ) const#

Returns the size of billboards.

Return value

The size of billboards in units.

void setSize ( float width, float height ) #

Sets new dimensions of the volume omni object.

Arguments

  • float width - A new width of the central flat rectangle in units. If a negative value is provided, 0 will be used instead.
  • float height - A new height of the central flat rectangle in units. If a negative value is provided, 0 will be used instead.

float getWidth ( ) const#

Returns the width of the central flat rectangle.

Return value

The width of the central rectangle in units.

static int type ( ) #

Returns the type of the node.

Return value

Object type identifier.
Last update: 26.06.2020