edu.stanford.hci.r3.util.geometry
Class Vector2D

java.lang.Object
  edu.stanford.hci.r3.util.geometry.Vector2D

public class Vector2D
extends java.lang.Object

This software is distributed under the BSD License.

Constructor Summary

Vector2D()

Vector2D(double _x, double _y)

Method Summary

static java.awt.geom.Point2D	add(java.awt.geom.Point2D p, Vector2D v) Adds a vector to a point, resulting in a new point.
static Vector2D	add(Vector2D a, Vector2D b)
static Vector2D	getNormalized(Vector2D v)
static Vector2D	getScaled(double desiredMagnitude, Vector2D v)
double	getX()
double	getY()
double	magnitude()
static Vector2D	multiply(double d, Vector2D vector2D)
static Vector2D	subtract(java.awt.geom.Point2D a, java.awt.geom.Point2D b) Returns a - b.

Methods inherited from class java.lang.Object

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

Constructor Detail

Vector2D

public Vector2D()

Vector2D

public Vector2D(double _x,
                double _y)

Parameters:

d -

e -

Method Detail

add

public static java.awt.geom.Point2D add(java.awt.geom.Point2D p,
                                        Vector2D v)

Adds a vector to a point, resulting in a new point.

Parameters:

p -

v -

Returns:

add

public static Vector2D add(Vector2D a,
                           Vector2D b)

Parameters:

a -

b -

Returns:

getNormalized

public static Vector2D getNormalized(Vector2D v)

Returns:

getScaled

public static Vector2D getScaled(double desiredMagnitude,
                                 Vector2D v)

Parameters:

desiredMagnitude -

Returns:

multiply

public static Vector2D multiply(double d,
                                Vector2D vector2D)

Parameters:

d -

vector2D -

Returns:

subtract

public static Vector2D subtract(java.awt.geom.Point2D a,
                                java.awt.geom.Point2D b)

Returns a - b.

Parameters:

a -

b -

Returns:

getX

public double getX()

getY

public double getY()

Returns:

magnitude

public double magnitude()

Returns: