VEX Dictionary / fresnel
fresnel
Calculates reflected and transmitted light fractions from an incident ray, normal, and eta, optionally outputting reflection and refraction vectors.
group: shadingshadingreflect
Available in every context
Usage
void fresnel(vector i, vector n, float eta, float &kr, float &kt)void fresnel(vector i, vector n, float eta, float &kr, float &kt, vector &R, vector &T)Examples
No worked examples yet.
Signatures (from vcc -X)
void fresnel(vector, vector, float, float &, float &)all contextsvoid fresnel(vector, vector, float, float &, float &, vector &, vector &)all contexts