public static double GetTileScaleInMeters(float latitude, int zoom)
{
return(40075000 * Mathd.Cos(Mathd.Deg2Rad * latitude) / Mathd.Pow(2f, zoom + 8));
}
public static double Repeat(double t, double length)
{
return(t - Mathd.Floor(t / length) * length);
}
public static double PingPong(double t, double length)
{
t = Mathd.Repeat(t, length * 2d);
return(length - Mathd.Abs(t - length));
}
public static double SmoothDampAngle(double current, double target, ref double currentVelocity, double smoothTime, double maxSpeed, double deltaTime)
{
target = current + Mathd.DeltaAngle(current, target);
return(Mathd.SmoothDamp(current, target, ref currentVelocity, smoothTime, maxSpeed, deltaTime));
}
public static bool Approximately(double a, double b)
{
return(Mathd.Abs(b - a) < Mathd.Max(1E-06d * Mathd.Max(Mathd.Abs(a), Mathd.Abs(b)), 1.121039E-44d));
}
public static double SmoothStep(double from, double to, double t)
{
t = Mathd.Clamp01(t);
t = (-2.0 * t * t * t + 3.0 * t * t);
return(to * t + from * (1.0 - t));
}
public static double MoveTowardsAngle(double current, double target, double maxDelta)
{
target = current + Mathd.DeltaAngle(current, target);
return(Mathd.MoveTowards(current, target, maxDelta));
}
public static double Lerp(double from, double to, double t)
{
return(from + (to - from) * Mathd.Clamp01(t));
}