org.mini2Dx.core.geom

Class Circle

java.lang.Object

org.mini2Dx.core.geom.Circle

All Implemented Interfaces:

Positionable, Shape

public class Circle
extends Object
implements Shape

Implements a circle

Author:

Thomas Cashman

Constructor Summary

Constructors

Constructor and Description
Circle(float centerX, float centerY, int radius)
Circle(int radius)

Method Summary

Methods

Modifier and Type	Method and Description
<T extends Positionable> void	addPostionChangeListener(PositionChangeListener<T> listener) Adds a PositionChangeListener to be notified of coordinate changes
void	draw(Graphics g)
float	getDistanceTo(Positionable positionable) Returns this distance between this object's x,y coordinates and the provided Positionable's xy coordinates
int	getNumberOfSides()
int	getRadius()
float	getX() Returns the x coordinate of this object
float	getY() Returns the y coordinate of this object
boolean	intersects(Circle circle)
<T extends Positionable> void	removePositionChangeListener(PositionChangeListener<T> listener) Removes a PositionChangeListener to stop it being notified of coordinate changes
void	setCenter(float x, float y)
void	setRadius(int radius)
void	setX(float x)
void	setY(float y)

Methods inherited from class java.lang.Object

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

Constructor Detail

Circle

public Circle(int radius)

Circle

public Circle(float centerX,
      float centerY,
      int radius)

Method Detail

intersects

public boolean intersects(Circle circle)

getDistanceTo

public float getDistanceTo(Positionable positionable)

Description copied from interface: Positionable

Returns this distance between this object's x,y coordinates and the provided Positionable's xy coordinates

Specified by:

getDistanceTo in interface Positionable

Parameters:

positionable - The Positionable to retrieve the distance from

Returns:

0 if the xy coordinates are the same

getNumberOfSides

public int getNumberOfSides()

Specified by:

getNumberOfSides in interface Shape

draw

public void draw(Graphics g)

Specified by:

draw in interface Shape

addPostionChangeListener

public <T extends Positionable> void addPostionChangeListener(PositionChangeListener<T> listener)

Description copied from interface: Positionable

Adds a PositionChangeListener to be notified of coordinate changes

Specified by:

addPostionChangeListener in interface Positionable

Parameters:

listener - The PositionChangeListener to add

removePositionChangeListener

public <T extends Positionable> void removePositionChangeListener(PositionChangeListener<T> listener)

Description copied from interface: Positionable

Removes a PositionChangeListener to stop it being notified of coordinate changes

Specified by:

removePositionChangeListener in interface Positionable

Parameters:

listener - The PositionChangeListener to remove

getX

public float getX()

Description copied from interface: Positionable

Returns the x coordinate of this object

Specified by:

getX in interface Positionable

Returns:

0 by default

getY

public float getY()

Description copied from interface: Positionable

Returns the y coordinate of this object

Specified by:

getY in interface Positionable

Returns:

0 by default

setX

public void setX(float x)

setY

public void setY(float y)

setCenter

public void setCenter(float x,
             float y)

getRadius

public int getRadius()

setRadius

public void setRadius(int radius)