public static Polar3 SplineCalc(float t, Polar3[] Polars)
{
float t3 = Mathf.Pow(1f - t, 3);
float t2 = Mathf.Pow(1f - t, 2);
float t1 = 1f - t;
Polar3 P =
t3 * Polars[0]
+ 3 * t2 * t * Polars[1]
+ 3 * t1 * t * t * Polars[2]
+ t * t * t * Polars[3];
return(P);
}
public static Polar3 rTAprox(Polar3 start, Polar3 finish, float r)
{
var t = (r - start.r) / (finish.r - start.r);
return(Lerp(start, finish, t));
}
public static Polar3 Lerp(Polar3 startPos, Polar3 Finish, float t)
{
return((1 - t) * startPos + t * Finish);
}
