com.softsynth.jmsl.util
Class HalfCosineInterpolator

java.lang.Object
  com.softsynth.jmsl.util.HalfCosineInterpolator

All Implemented Interfaces:

Interpolator

public class HalfCosineInterpolator
extends java.lang.Object
implements Interpolator

Interpolate a value along an S curve (half cosine)

Author:

Nick Didkovsky

Constructor Summary

HalfCosineInterpolator(double t1, double v1, double t2, double v2)
Construct a linear interpolator that intersects two specified points

Method Summary

double	interp(double t) Given the input t, return the value along the half cosine function
static void	main(java.lang.String[] args) build an interpolator and print 20 points along the line
void	setInterp(double t1, double v1, double t2, double v2) Set the interpolator to calculate points along the line intersecting two specified points
java.lang.String	toString() print me

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

HalfCosineInterpolator

public HalfCosineInterpolator(double t1,
                              double v1,
                              double t2,
                              double v2)

Construct a linear interpolator that intersects two specified points

Method Detail

setInterp

public void setInterp(double t1,
                      double v1,
                      double t2,
                      double v2)

Set the interpolator to calculate points along the line intersecting two specified points

Specified by:

setInterp in interface Interpolator

interp

public double interp(double t)

Given the input t, return the value along the half cosine function

Specified by:

interp in interface Interpolator

toString

public java.lang.String toString()

print me

Overrides:

toString in class java.lang.Object

main

public static void main(java.lang.String[] args)

build an interpolator and print 20 points along the line