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Table of Contents
Warning! This version of documentation is OUTDATED, as it describes an older SDK version! Please switch to the documentation for the latest SDK version.
Warning! This version of documentation describes an old SDK version which is no longer supported! Please upgrade to the latest SDK version.

Unigine.LightLensFlare Class

This class is used to manage billboards used for the per-light lens flares effect.

Notice
The lens flare effect must be enabled for the light source. This feature is available only for: Omni Lights, Projected Lights and World Lights.

See Also#

Description of lens flare settings.

Properties:

NameDescription
float Intensity
The current intensity of the lens flare billboard.
vec4 Color
The current color of the lens flare billboard.
bool IsRotate
A value indicating if rotation of the lens flare billboard is enabled.
vec2 UVUpperRight
The current uv texture coordinates of the upper rightcorner of the lens flare billboard.
vec2 UVLowerLeft
The current uv texture coordinates of the lower left corner of the lens flare billboard.
float OffsetScale
The current offset-dependent scale factor for the lens flare billboard.
float Offset
The current offset value for the lens flare billboard.
float Size
The current size of the lens flare billboard.
string Name
The current name of the lens flare billboard.

Methods:

NameDescription

LightLensFlare Class

Properties

float Intensity#

The current intensity of the lens flare billboard.
set
Sets a new intensity value for the lens flare billboard.
set value - Billboard intensity to be set. The color of the billboard is multiplied by this value. The higher the value, the brighter the flare will be.

vec4 Color#

The current color of the lens flare billboard.
set
Sets a new color for the lens flare billboard.
set value - Billboard color to be set.

bool IsRotate#

A value indicating if rotation of the lens flare billboard is enabled. when enabled the top of the billboard will always face the center of the screen.
set
Enables or disables rotation of the lens flare billboard. When enabled the top of the billboard will always face the center of the screen.
set value - 1 to rotation of the lens flare billboard, 0 to disable. The default value is 0.

vec2 UVUpperRight#

The current uv texture coordinates of the upper rightcorner of the lens flare billboard.
set
Sets the UV texture coordinates of the upper right corner of the lens flare billboard.
set value - UV texture coordinates of the the upper right corner of the lens flare billboard.

vec2 UVLowerLeft#

The current uv texture coordinates of the lower left corner of the lens flare billboard.
set
Sets the UV texture coordinates of the lower left corner of the lens flare billboard.
set value - UV texture coordinates of the lower left corner of the lens flare billboard.

float OffsetScale#

The current offset-dependent scale factor for the lens flare billboard.
set
Sets the offset-dependent scale factor for the lens flare billboard.
set value - Scale factor to be used. As the offset from the light source increases:
  • values less than 1.0f will make the billboard shrink.
  • values greater than 1.0f will make the billboard grow.

float Offset#

The current offset value for the lens flare billboard. it is the offset from the light source along the direction of the light ray.
set
Sets a new offset value for the lens flare billboard. The offset determines the distance from the light source along the vector oriented from the light source to the screen center.
set value - Billboard offset value to be set. The lower the absolute value is, the closer to the light source the billboard will be. Negative values indicate that the distance is measured in the opposite direction.

float Size#

The current size of the lens flare billboard.
set
Sets a new size for the lens flare billboard.
set value - Billboard size to be set.

string Name#

The current name of the lens flare billboard.
set
Sets a new name for the lens flare billboard.
set value - Billboard name to be set.

Members

Last update: 2019-08-16
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