Contrast Node

Description

Adjusts the contrast of input In by the amount of input Contrast. A Contrast value of 1 will return the input unaltered. A Contrast value of 0 will return the midpoint of the input.

Ports

Name	Direction	Type	Binding	Description
In	Input	Vector 3	None	Input value
Contrast	Input	Vector 1	None	Contrast value
Out	Output	Vector 3	None	Output value

Generated Code Example

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

void Unity_Contrast_float(float3 In, float Contrast, out float3 Out)
{
    float midpoint = pow(0.5, 2.2);
    Out = (In - midpoint) * Contrast + midpoint;
}