Function nalgebra_glm::faceforward
source · pub fn faceforward<T: Number, const D: usize>(
n: &TVec<T, D>,
i: &TVec<T, D>,
nref: &TVec<T, D>
) -> TVec<T, D>
Expand description
If dot(nref, i) < 0.0
, return n
, otherwise, return -n
.