javalib.worldimages
Class Posn

java.lang.Object
  javalib.worldimages.Posn

public class Posn
extends Object

To represent a point on the drawing WorldCanvas or AppletCanvaas

Since:

August 2, 2007

Author:

Viera K.

Field Summary

static Posn	origin
int	x
int	y

Constructor Summary

Posn(int x, int y)

Method Summary

boolean	equals(Object other)
int	getX()
int	getY()
int	hashCode()
Posn	minus(Posn other) Subtract another Posn from this one.
Posn	moved(int dx, int dy) Get a translated version of the given posn.
Posn	plus(Posn other) Add another Posn to this one.
String	toIndentedString(String indent)
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

origin

public static final Posn origin

x

public int x

y

public int y

Constructor Detail

Posn

public Posn(int x,
            int y)

Method Detail

equals

public boolean equals(Object other)

Overrides:

equals in class Object

getX

public int getX()

getY

public int getY()

hashCode

public int hashCode()

Overrides:

hashCode in class Object

minus

public Posn minus(Posn other)

Subtract another Posn from this one. Functional: does NOT modify this!

Parameters:

other - another Posn

Returns:

a new Posn whose coordinates are the pointwise difference of this and other

Since:

Dec. 12, 2012

moved

public Posn moved(int dx,
                  int dy)

Get a translated version of the given posn. Functional: does NOT modify this!

Parameters:

dx - the amount to translate in x dimension

dy - the amount to translate in y dimension

Returns:

a new Posn

Since:

Dec. 2, 2012

plus

public Posn plus(Posn other)

Add another Posn to this one. Functional: does NOT modify this!

Parameters:

other - another Posn

Returns:

a new Posn whose coordinates are the pointwise sum of this and other

Since:

Dec. 12, 2012

toIndentedString

public String toIndentedString(String indent)

toString

public String toString()

Overrides:

toString in class Object