nkUtFresnel

This is a Fresnel equation. It calculates a falloff value using the dot product between the normal and the view direction. The calculations are done in View Space.

Parameters

normal

• Size: 3

• The normal in View Space

exponent

• Size: 1

• This is the fresnel exponent. Higher values make the fresnel thinner.

Output

• Output size: 1

Code example

This is a code example for nkUtFresnel.

<nkUtFresnel name="nNodeName" normal="1 0 0" exponent="2"/>

Additional Notes