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;
}