/// <summary>
/// get the velocity vector on the line at value t in world space
/// </summary>
/// <param name="t"></param>
/// <returns></returns>
public Vector3 GetVelocity(float t)
{
return(transform.TransformPoint(Bezier.GetFirstDerivative(points[0], points[1], points[2], points[3], t)) -
transform.position); //we don't a location, subtract position
}
/// <summary>
/// get a point on the curve at value t in worldspace
/// </summary>
/// <param name="t"></param>
/// <returns></returns>
public Vector3 GetPoint(float t)
{
return(transform.TransformPoint(Bezier.GetPoint(points[0], points[1], points[2], points[3], t)));
}