Firstborn/Library/PackageCache/com.unity.shadergraph@12.1.8/Documentation~/Iris-Limbal-Ring-Node.md

Iris Limbal Ring Node

Calculates the intensity of the Limbal ring, a darkening feature of eyes.

Render pipeline compatibility

Node	Universal Render Pipeline (URP)	High Definition Render Pipeline (HDRP)
Iris Limbal Ring Node	No	Yes

Ports

name	Direction	type	description
IrisUV	Input	Vector2	Normalized UV coordinates that can be used to sample either a texture or procedurally generate an Iris Texture.
View Direction OS	Input	Vector3	Direction of the incident ray in object space. Either from the camera in rasterization or from the previous bounce in ray tracing.
LimbalRingSize	Input	float	Normalized [0, 1] value that defines the relative size of the limbal ring.
LimbalRingFade	Input	float	Normalized [0, 1] value that defines strength of the fade out of the limbal ring.
LimbalRingIntensity	Input	float	Positive value that defines how dark the limbal ring is.
Iris Limbal Ring Color	Output	Color	Intensity of the limbal ring.