pub fn embed_point<S: Scalar>(
cp: &Vector3<S>,
origin: &Vector3<S>,
e1: &Vector3<S>,
e2: &Vector3<S>,
) -> Vector4<S>Expand description
Homogeneous (w (origin + x e1 + y e2), w) for the homogeneous 2-D point
cp = (w x, w y, w): linear in cp, so no division.