org.mini2Dx.core.geom

Class Rectangle

java.lang.Object

com.badlogic.gdx.math.Rectangle

org.mini2Dx.core.geom.Rectangle

All Implemented Interfaces:

Serializable, Parallelogram, Positionable, Shape

Direct Known Subclasses:

Quad

public class Rectangle
extends com.badlogic.gdx.math.Rectangle
implements Parallelogram

Implements a rotatable rectangle. Adds extra functionality to the default rectangle implementation in LibGDX

Author:

Thomas Cashman

See Also:

Serialized Form

Field Summary

Fields inherited from class com.badlogic.gdx.math.Rectangle

height, tmp, tmp2, width, x, y

Constructor Summary

Constructors

Constructor and Description
Rectangle() Default constructor.
Rectangle(float x, float y, float width, float height) Constructor

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
boolean	contains(Parallelogram parallelogram) Returns if the specified Parallelogram is contained within this one
boolean	contains(Positionable positionable) Returns if the specified Positionable is contained within this shape
boolean	contains(Rectangle rectangle)
void	draw(Graphics g)
float	getCenterX() Returns the x coordinate of the center of this Rectangle
float	getCenterY() Returns the y coordinate of the center of this Rectangle
float	getDistanceTo(Positionable positionable) Returns this distance between this object's x,y coordinates and the provided Positionable's xy coordinates
float	getMaxX() Returns the greatest x coordinate this Rectangle
float	getMaxY() Returns the greatest y coordinate this Rectangle
float	getMinX() Returns the least x coordinate this Rectangle
float	getMinY() Returns the least y coordinate this Rectangle
int	getNumberOfSides()
float	getRotation() Returns the current rotation of the shape in degrees
Rectangle	intersection(Rectangle rect)
boolean	intersects(float x, float y, float width, float height) Returns if this shape intersects a specified rectangle dimensions
boolean	intersects(LineSegment lineSegment) Returns if this shape intersects a specified LineSegment
boolean	intersects(Parallelogram parallelogram) Returns if this shape intersects a specified Parallelogram
boolean	intersects(Rectangle rectangle) Returns if the specified Rectangle intersects this one
<T extends Positionable> void	removePositionChangeListener(PositionChangeListener<T> listener) Removes a PositionChangeListener to stop it being notified of coordinate changes
void	rotate(float degrees) Rotates the shape around its top-left corner by the specified degrees adding to its existing rotation
void	rotateAround(Point center, float degrees) Rotates the shape around a center point by the specified degrees adding to its existing rotation
void	set(float x, float y, float width, float height)
void	set(Rectangle rectangle)
void	set(com.badlogic.gdx.math.Rectangle rectangle)
void	setHeight(float height)
void	setRotation(float degrees) Sets the current rotation of the shape around its top-left corner Note: Rotates around the top-left corner
void	setRotationAround(Point center, float degrees) Sets the current rotation of the shape around a center point
void	setWidth(float width)
void	setX(float x)
void	setY(float y)

Methods inherited from class com.badlogic.gdx.math.Rectangle

contains, contains, getHeight, getWidth, getX, getY, merge, overlaps, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.mini2Dx.core.engine.Parallelogram

getHeight, getWidth

Methods inherited from interface org.mini2Dx.core.engine.Positionable

getX, getY

Constructor Detail

Rectangle

public Rectangle()

Default constructor. Creates a Rectangle at 0,0 with a width and height of 1

Rectangle

public Rectangle(float x,
         float y,
         float width,
         float height)

Constructor

Parameters:

x - The x coordinate of the Rectangle

y - The y coordinate of the Rectangle

width - The width of the Rectangle

height - The height of the Rectangle

Method Detail

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

See Also:

Positionable.getDistanceTo(Positionable)

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

See Also:

Positionable.addPostionChangeListener(PositionChangeListener)

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

See Also:

Positionable.removePositionChangeListener(PositionChangeListener)

getRotation

public float getRotation()

Description copied from interface: Parallelogram

Returns the current rotation of the shape in degrees

Specified by:

getRotation in interface Parallelogram

Returns:

See Also:

Parallelogram.getRotation()

setRotation

public void setRotation(float degrees)

Description copied from interface: Parallelogram

Sets the current rotation of the shape around its top-left corner Note: Rotates around the top-left corner

Specified by:

setRotation in interface Parallelogram

Parameters:

degrees - The rotation angle in degrees

See Also:

Parallelogram.setRotation(float)

setRotationAround

public void setRotationAround(Point center,
                     float degrees)

Description copied from interface: Parallelogram

Sets the current rotation of the shape around a center point

Specified by:

setRotationAround in interface Parallelogram

Parameters:

center - The center point to rotate around

degrees - The rotation angle in degrees

See Also:

Parallelogram.setRotationAround(Point, float)

rotate

public void rotate(float degrees)

Description copied from interface: Parallelogram

Rotates the shape around its top-left corner by the specified degrees adding to its existing rotation

Specified by:

rotate in interface Parallelogram

Parameters:

degrees - The rotation in degrees

See Also:

Parallelogram.rotate(float)

rotateAround

public void rotateAround(Point center,
                float degrees)

Description copied from interface: Parallelogram

Rotates the shape around a center point by the specified degrees adding to its existing rotation

Specified by:

rotateAround in interface Parallelogram

degrees - The rotation in degrees

See Also:

Parallelogram.rotateAround(Point, float)

intersects

public boolean intersects(LineSegment lineSegment)

Description copied from interface: Parallelogram

Returns if this shape intersects a specified LineSegment

Specified by:

intersects in interface Parallelogram

Parameters:

lineSegment - The LineSegment to test for intersection

Returns:

True if an intersection occurs

See Also:

Parallelogram.intersects(LineSegment)

intersects

public boolean intersects(Rectangle rectangle)

Returns if the specified Rectangle intersects this one

Parameters:

rectangle - The Rectangle to test for intersection

Returns:

True if the Rectangles intersect

intersects

public boolean intersects(Parallelogram parallelogram)

Description copied from interface: Parallelogram

Returns if this shape intersects a specified Parallelogram

Specified by:

intersects in interface Parallelogram

Parameters:

parallelogram - The Parallelogram to test for intersection

Returns:

True if an intersection occurs

See Also:

Parallelogram.intersects(Parallelogram)

intersects

public boolean intersects(float x,
                 float y,
                 float width,
                 float height)

Description copied from interface: Parallelogram

Returns if this shape intersects a specified rectangle dimensions

Specified by:

intersects in interface Parallelogram

Parameters:

x - The x coordinate of the rectangle

y - The y coordinate of the rectangle

width - The width of the rectangle

height - The height of the rectangle

Returns:

True if an intersection occurs

See Also:

Parallelogram.intersects(float, float, float, float)

intersection

public Rectangle intersection(Rectangle rect)

contains

public boolean contains(Parallelogram parallelogram)

Description copied from interface: Parallelogram

Returns if the specified Parallelogram is contained within this one

Specified by:

contains in interface Parallelogram

Parameters:

parallelogram - The Parallelogram to test

Returns:

True if it is within this shape

See Also:

Parallelogram.contains(Parallelogram)

contains

public boolean contains(Rectangle rectangle)

See Also:

Parallelogram.contains(Parallelogram)

contains

public boolean contains(Positionable positionable)

Description copied from interface: Parallelogram

Returns if the specified Positionable is contained within this shape

Specified by:

contains in interface Parallelogram

Parameters:

positionable - The Positionable to test

Returns:

True if it is within this shape

See Also:

Parallelogram.contains(Positionable)

getNumberOfSides

public int getNumberOfSides()

Specified by:

getNumberOfSides in interface Shape

See Also:

Shape.getNumberOfSides()

draw

public void draw(Graphics g)

Specified by:

draw in interface Shape

See Also:

Shape.draw(Graphics)

set

public void set(float x,
       float y,
       float width,
       float height)

Overrides:

set in class com.badlogic.gdx.math.Rectangle

set

public void set(Rectangle rectangle)

set

public void set(com.badlogic.gdx.math.Rectangle rectangle)

Overrides:

set in class com.badlogic.gdx.math.Rectangle

setX

public void setX(float x)

Overrides:

setX in class com.badlogic.gdx.math.Rectangle

setY

public void setY(float y)

Overrides:

setY in class com.badlogic.gdx.math.Rectangle

setWidth

public void setWidth(float width)

Overrides:

setWidth in class com.badlogic.gdx.math.Rectangle

setHeight

public void setHeight(float height)

Overrides:

setHeight in class com.badlogic.gdx.math.Rectangle

getCenterX

public float getCenterX()

Returns the x coordinate of the center of this Rectangle

Returns:

getCenterY

public float getCenterY()

Returns the y coordinate of the center of this Rectangle

Returns:

getMinX

public float getMinX()

Returns the least x coordinate this Rectangle

Returns:

getMinY

public float getMinY()

Returns the least y coordinate this Rectangle

Returns:

getMaxX

public float getMaxX()

Returns the greatest x coordinate this Rectangle

Specified by:

getMaxX in interface Parallelogram

Returns:

getMaxY

public float getMaxY()

Returns the greatest y coordinate this Rectangle

Specified by:

getMaxY in interface Parallelogram

Returns: