Function nalgebra_glm::triangle_normal

pub fn triangle_normal<N: RealField>(
    p1: &TVec3<N>, 
    p2: &TVec3<N>, 
    p3: &TVec3<N>
) -> TVec3<N>

The normal vector of the given triangle.

The normal is computed as the normalized vector cross(p2 - p1, p3 - p1).