BezierPath for unity
BezierPath path = new BezierPath (nodes, rots);
// v: 0 - 1
BezierPointInfo pInfo = path.GetBezierPointInfo(v);
/// <summary>
/// Bezier point info.
/// </summary>
public class BezierPointInfo
{
public Vector3 point;
public Quaternion rotation;
public Vector3 tangent;
}