public FLOAT Curvature(FLOAT t)
{
var T = Derivative(t);
var N = SecondDerivative(t);
return(VectorHelper.Cross(T, N).magnitude / (T.magnitude * T.sqrMagnitude));
}
public VECTOR Normal(FLOAT t)
{
try
{
var T1 = Derivative(t - 1e-4f);
var T2 = Derivative(t + 1e-4f);
var c = VectorHelper.Cross(T1 / VectorHelper.Length(T1), T2 / VectorHelper.Length(T2));
var N = VectorHelper.Cross(c, T1 / VectorHelper.Length(T1));
return(N / VectorHelper.Length(N));
}
catch (DivideByZeroException e)
{
UnityEngine.Debug.Log(e.Message);
return(UnityEngine.Vector3.right);
}
}
public VECTOR Binormal(FLOAT t)
{
return(VectorHelper.Normalize(VectorHelper.Cross(Tangent(t), Normal(t))));
}
