sjm.examples.sling
Class Cos

java.lang.Object
  |
  +--sjm.examples.sling.SlingFunction
        |
        +--sjm.examples.sling.Cos

public class Cos

extends SlingFunction

This class wraps a cos function around another source function.

The cos function is the x component of a stone's location at an angle given in radians.

Fields inherited from class sjm.examples.sling.SlingFunction

source

Constructor Summary

Cos()
Constructs cos(t).

Cos(SlingFunction source)
Constructs a function object that wraps a cos function around the given source function.

Method Summary

Point	f(double t) Returns, essentially, cos(source.f(t)).
java.lang.String	toString() Returns a string representation of this function.

Methods inherited from class sjm.examples.sling.SlingFunction

eval, extrema, fresh

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Cos

public Cos()

Constructs cos(t).

Cos

public Cos(SlingFunction source)

Constructs a function object that wraps a cos function around the given source function.

Method Detail

f

public Point f(double t)

Returns, essentially, cos(source.f(t)).

Overrides:

f in class SlingFunction

Parameters:

t - a number that represents how far along a plot is, and thus tells which point to return

Returns:

a new point: (t, cos(source.f(t).y))

See Also:

Abs, Abs.f(double)

toString

public java.lang.String toString()

Returns a string representation of this function.

Overrides:

toString in class java.lang.Object