j3deditor.bin.hierarchy.util
Class J3DePoint2D

java.lang.Object
  j3deditor.bin.hierarchy.util.J3DePoint2D

public class J3DePoint2D
extends java.lang.Object

A point representing a location in (x, y) coordinate space, specified in integer precision.

Author:

Risto Seene

Constructor Summary

J3DePoint2D()
Creates an instance of J3DePoint2D at (0, 0).

J3DePoint2D(int x, int y)
Creates an instance of J3DePoint2D at (x, y).

J3DePoint2D(J3DePoint2D p)
Creates an instance of J3DePoint2D with the same location as the specified J3DePoint2D.

Method Summary

void	absolute() Sets each component of this point to its absolute value.
static J3DePoint2D	add(J3DePoint2D p1, J3DePoint2D p2) Returns new J3DePoint2D which value is the vector sum of points p1 and p2.
boolean	equals(java.lang.Object object) Returns true if the Object object is of type J3DePoint2D and both coordinates in it are equal to the corresponding coordinates in this J3DePoint2D.
double	getVectorAngle() Returns the angle of the vector represented by this J3DePoint2D.
double	getVectorLength() Returns the length of the vector represented by this J3DePoint2D.
int	getX() Returns the x coordiante of this point.
int	getY() Returns the x coordiante of this point.
void	negate() Negates the value of this point.
void	setCoordinates(int x, int y) Sets the location of this point.
void	setCoordinates(J3DePoint2D p) Sets the location of this point.
void	setX(int x) Sets the x coordinate of this point.
void	setY(int y) Sets the y coordinate of this point.
static J3DePoint2D	sub(J3DePoint2D p1, J3DePoint2D p2) Returns new J3DePoint2D which value is the vector difference of points p1 and p2.
java.lang.String	toString() Returns the String representation of this object.

Methods inherited from class java.lang.Object

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

Constructor Detail

J3DePoint2D

public J3DePoint2D()

Creates an instance of J3DePoint2D at (0, 0).

J3DePoint2D

public J3DePoint2D(int x,
                   int y)

Creates an instance of J3DePoint2D at (x, y).

Parameters:

x - x coordinate

y - y coordinate

J3DePoint2D

public J3DePoint2D(J3DePoint2D p)

Creates an instance of J3DePoint2D with the same location as the specified J3DePoint2D.

Parameters:

p - a point

Method Detail

setX

public void setX(int x)

Sets the x coordinate of this point.

Parameters:

x - new x coordinate value

setY

public void setY(int y)

Sets the y coordinate of this point.

Parameters:

y - new y coordinate value

setCoordinates

public void setCoordinates(int x,
                           int y)

Sets the location of this point.

Parameters:

x - new x coordinate value

y - new y coordinate value

setCoordinates

public void setCoordinates(J3DePoint2D p)

Sets the location of this point.

Parameters:

p - the specified location

getX

public int getX()

Returns the x coordiante of this point.

Returns:

the x coordiante of this point

getY

public int getY()

Returns the x coordiante of this point.

Returns:

the y coordiante of this point

absolute

public void absolute()

Sets each component of this point to its absolute value.

negate

public void negate()

Negates the value of this point.

add

public static J3DePoint2D add(J3DePoint2D p1,
                              J3DePoint2D p2)

Returns new J3DePoint2D which value is the vector sum of points p1 and p2.

Parameters:

p1 - the first point

p2 - the second point

Returns:

new J3DePoint2D which value is the vector sum of points p1 and p2

sub

public static J3DePoint2D sub(J3DePoint2D p1,
                              J3DePoint2D p2)

Returns new J3DePoint2D which value is the vector difference of points p1 and p2.

Parameters:

p1 - the first point

p2 - the second point

Returns:

new J3DePoint2D which value is the vector difference of points p1 and p2

getVectorLength

public double getVectorLength()

Returns the length of the vector represented by this J3DePoint2D.

Returns:

Returns the length of the vector represented by this J3DePoint2D

getVectorAngle

public double getVectorAngle()

Returns the angle of the vector represented by this J3DePoint2D.

Returns:

the angle of the vector represented by this J3DePoint2D

equals

public boolean equals(java.lang.Object object)

Returns true if the Object object is of type J3DePoint2D and both coordinates in it are equal to the corresponding coordinates in this J3DePoint2D.

Overrides:

equals in class java.lang.Object

Parameters:

object - the Object with which the comparison is made

Returns:

true if the Object object is of type J3DePoint2D and both coordinates in it are equal to the corresponding coordinates in this J3DePoint2D

toString

public java.lang.String toString()

Returns the String representation of this object.

Overrides:

toString in class java.lang.Object

Returns:

the String representation of this object