public Vector3 GetUp(float t)
{
ISpline sp = Spline;
if (sp == null)
{
Dbg.LogErr("BaseSplineBehaviour.GetUp: not set spline yet");
return(Vector3.zero);
}
Dbg.Assert(0 <= t && t <= 1, "BaseSplineBehaviour.GetUp: t beyond range: {0}", t);
Vector3 up = sp.Up(t);
return(up);
}