pub trait FrenetFrame: Tangent + Curved {
type Frame;
// Required method
fn frame_at(&self, s: Self::Scalar) -> Result<Self::Frame, Self::Error>;
}Expand description
Query the full Frenet frame (T, N[, B]) at any point along a path.
In 2D the frame consists of the tangent and normal. In 3D it additionally includes the binormal.