Function nalgebra_glm::refract_vec
source · pub fn refract_vec<T: RealNumber, const D: usize>(
i: &TVec<T, D>,
n: &TVec<T, D>,
eta: T
) -> TVec<T, D>
Expand description
For the incident vector i
and surface normal n
, and the ratio of indices of refraction eta
, return the refraction vector.