mathe/Library/PackageCache/com.unity.shadergraph@14.0.8/Documentation~/Saturation-Node.md
2024-09-20 20:30:10 +02:00

863 B

Saturation Node

Description

Adjusts the saturation of input In by the amount of input Saturation. A Saturation value of 1 will return the input unaltered. A Saturation value of 0 will return the input completely desaturated.

Ports

Name Direction Type Binding Description
In Input Vector 3 None Input value
Saturation Input Float None Saturation value
Out Output Vector 3 None Output value

Generated Code Example

The following example code represents one possible outcome of this node.

void Unity_Saturation_float(float3 In, float Saturation, out float3 Out)
{
    float luma = dot(In, float3(0.2126729, 0.7151522, 0.0721750));
    Out =  luma.xxx + Saturation.xxx * (In - luma.xxx);
}