rescuecore2.misc.geometry

Class Point2D

java.lang.Object

rescuecore2.misc.geometry.Point2D

All Implemented Interfaces:

Indexable

public class Point2D
extends java.lang.Object
implements Indexable

A point in 2D space. Points are immutable.

Constructor Summary

Constructors

Constructor and Description
Point2D(double x, double y) Create a new Point2D.

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object o)
Region	getBoundingRegion() Get the bounding region of this object.
double	getX() Get the X coordinate.
double	getY() Get the Y coordinate.
int	hashCode()
Vector2D	minus(Point2D p) Create a vector by subtracting a point from this point.
Point2D	plus(Vector2D v) Create a Point2D by adding a vector to this point.
java.lang.String	toString()
Point2D	translate(double dx, double dy) Create a new Point2D that is a translation of this point.

Methods inherited from class java.lang.Object

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

Constructor Detail

Point2D

public Point2D(double x,
               double y)

Create a new Point2D.

Parameters:

x - The x coordinate.

y - The y coordinate.

Method Detail

getX

public double getX()

Get the X coordinate.

Returns:

The X coordinate.

getY

public double getY()

Get the Y coordinate.

Returns:

The Y coordinate.

translate

public Point2D translate(double dx,
                         double dy)

Create a new Point2D that is a translation of this point.

Parameters:

dx - The x translation.

dy - The y translation.

Returns:

A new Point2D.

minus

public Vector2D minus(Point2D p)

Create a vector by subtracting a point from this point.

Parameters:

p - The Point2D to subtract from this one.

Returns:

A new Vector2D that represents the vector from the other point to this one.

plus

public Point2D plus(Vector2D v)

Create a Point2D by adding a vector to this point.

Parameters:

v - The Vector2D to add.

Returns:

A new Point2D.

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getBoundingRegion

public Region getBoundingRegion()

Description copied from interface: Indexable

Get the bounding region of this object.

Specified by:

getBoundingRegion in interface Indexable

Returns:

The bounding region.