/// <summary> /// gets the point on the bezier at time t /// </summary> /// <returns>The point at time.</returns> /// <param name="t">T.</param> public Vector2 getPointAtTime(float t) { var i = PointIndexAtTime(ref t); return(Bezier.GetPoint(points.Buffer[i], points.Buffer[i + 1], points.Buffer[i + 2], points.Buffer[i + 3], t)); }
/// <summary> /// gets the velocity (first derivative) of the bezier at time t /// </summary> /// <returns>The velocity at time.</returns> /// <param name="t">T.</param> public Vector2 GetVelocityAtTime(float t) { var i = PointIndexAtTime(ref t); return(Bezier.GetFirstDerivative(points.Buffer[i], points.Buffer[i + 1], points.Buffer[i + 2], points.Buffer[i + 3], t)); }