| public static QuinticBlend ( Double t ) : Double | ||
| t | Double | |
| return | Double | |
public override Double Get(Double x, Double y, Double z, Double w)
{
var value = this.Source.Get(x, y, z, w);
var falloff = this.Falloff.Get(x, y, z, w);
var threshold = this.Threshold.Get(x, y, z, w);
if (falloff > 0.0)
{
if (value < (threshold - falloff))
{
// Lies outside of falloff area below threshold, return first source
return(this.Low.Get(x, y, z, w));
}
if (value > (threshold + falloff))
{
// Lise outside of falloff area above threshold, return second source
return(this.High.Get(x, y, z, w));
}
// Lies within falloff area.
var lower = threshold - falloff;
var upper = threshold + falloff;
var blend = Utilities.QuinticBlend((value - lower) / (upper - lower));
return(Utilities.Lerp(blend, this.Low.Get(x, y, z, w), this.High.Get(x, y, z, w)));
}
return(value < threshold?this.Low.Get(x, y, z, w) : this.High.Get(x, y, z, w));
}
public override Double Get(Double x, Double y, Double z, Double w, Double u, Double v)
{
var numsteps = Tiers;
if (this.Smooth)
{
--numsteps;
}
var val = Source.Get(x, y, z, w, u, v);
var tb = Math.Floor(val * numsteps);
var tt = tb + 1.0;
var t = val * numsteps - tb;
tb /= numsteps;
tt /= numsteps;
var s = (this.Smooth ? Utilities.QuinticBlend(t) : 0.0);
return(tb + s * (tt - tb));
}
public override double Get(double x, double y, double z, double w, double u, double v)
{
int numsteps = Tiers;
if (Smooth)
{
--numsteps;
}
double val = Source.Get(x, y, z, w, u, v);
double tb = Math.Floor(val * numsteps);
double tt = tb + 1.0;
double t = val * numsteps - tb;
tb /= numsteps;
tt /= numsteps;
double s = (Smooth ? Utilities.QuinticBlend(t) : 0.0);
return(tb + s * (tt - tb));
}
