bookExamples.ch26Graphics.draw2d
Class Vec2d

java.lang.Object
  bookExamples.ch26Graphics.draw2d.Vec2d

public class Vec2d
extends java.lang.Object

Field Summary

double[]

v

Constructor Summary

Vec2d(double x, double y)

Vec2d(java.awt.Point p)

Vec2d(Vec2d u)

Method Summary

void	add(Vec2d B)
double	dot(double Bx, double By)
double	dot(Vec2d B)
static double	dot(Vec2d A, Vec2d B)
double	getX()
double	getY()
double	length()
Vec2d	linearComb(double a, Vec2d B)
void	mult(double factor)
void	normalize()
void	setLocation(int x, int y)
void	sub(Vec2d B)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

v

public double[] v

Constructor Detail

Vec2d

public Vec2d(double x,
             double y)

Vec2d

public Vec2d(Vec2d u)

Vec2d

public Vec2d(java.awt.Point p)

Method Detail

dot

public final double dot(Vec2d B)

dot

public final double dot(double Bx,
                        double By)

dot

public static double dot(Vec2d A,
                         Vec2d B)

linearComb

public Vec2d linearComb(double a,
                        Vec2d B)

length

public final double length()

normalize

public final void normalize()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

mult

public void mult(double factor)

add

public void add(Vec2d B)

sub

public void sub(Vec2d B)

setLocation

public void setLocation(int x,
                        int y)

getX

public double getX()

getY

public double getY()