[−][src]Function nalgebra_glm::refract_vec
pub fn refract_vec<N: RealField, D: Dimension>(
i: &TVec<N, D>,
n: &TVec<N, D>,
eta: N
) -> TVec<N, D> where
DefaultAllocator: Alloc<N, D>,
For the incident vector i
and surface normal n
, and the ratio of indices of refraction eta
, return the refraction vector.