Class Point

java.lang.Object
  Point

public class Point

extends java.lang.Object

model a point in 2D Cartesian space

Field Summary

private double	x
private double	y

Constructor Summary

Point()
no parameters passed, create point at origin 0,0

Point(double x, double y)
given x, y create a new point

Method Summary

double	distance(double x1, double y1) calculate Euclidean distance between this point and another given it's x and y coords
double	distance(Point p) calculate Euclidean distance between this point and another
boolean	equals(double x1, double y1) check equality between this point and another given it's x and y coords
boolean	equals(Point p) check equality between this point and another
double	getX()
double	getY()
Point	midpoint(double x1, double y1) calculate middle point between this point and another given it's x and y coords
Point	midpoint(Point p) calculate middle point between this point and another
void	rotate90() rotate point 90 degrees "clockwise"
void	setX(double x)
void	setY(double y)
void	shift(double xShift, double yShift) move point by xShift and yShoft amounts
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

x

private double x

y

private double y

Constructor Detail

Point

public Point()

no parameters passed, create point at origin 0,0

Point

public Point(double x,
             double y)

given x, y create a new point

Method Detail

distance

public double distance(double x1,
                       double y1)

calculate Euclidean distance between this point and another given it's x and y coords

Parameters:

x1 -

y1 -

Returns:

distance

distance

public double distance(Point p)

calculate Euclidean distance between this point and another

Parameters:

p - the point to calculate distance to

Returns:

the distance

equals

public boolean equals(double x1,
                      double y1)

check equality between this point and another given it's x and y coords

Parameters:

x1 -

y1 -

Returns:

equals

public boolean equals(Point p)

check equality between this point and another

Parameters:

p -

Returns:

getX

public double getX()

Returns:

Returns the x.

getY

public double getY()

Returns:

Returns the y.

midpoint

public Point midpoint(double x1,
                      double y1)

calculate middle point between this point and another given it's x and y coords

Parameters:

x1 -

y1 -

Returns:

midpoint

public Point midpoint(Point p)

calculate middle point between this point and another

Parameters:

p -

Returns:

rotate90

public void rotate90()

rotate point 90 degrees "clockwise"

setX

public void setX(double x)

Parameters:

x - The x to set.

setY

public void setY(double y)

Parameters:

y - The y to set.

shift

public void shift(double xShift,
                  double yShift)

move point by xShift and yShoft amounts

Parameters:

xShift - amount to shift in direction

yShift - amount to shift in y direction

toString

public java.lang.String toString()