/// <summary>
/// Get the velocity of the curve for the t value
/// </summary>
/// <param name="t">value</param>
/// <returns></returns>
public Vector3 GetVelocity(float t)
{
return(transform.TransformPoint(Bezier.GetFirstDerivative(points[0], points[1], points[2], points[3], t)) - transform.position);
}
