org.mini2Dx.core.engine.geom

Class CollisionBox

java.lang.Object

com.badlogic.gdx.math.Rectangle

org.mini2Dx.core.geom.Rectangle

org.mini2Dx.core.engine.geom.CollisionBox

All Implemented Interfaces:

com.badlogic.gdx.math.Shape2D, java.io.Serializable, Positionable, Updatable, Parallelogram, Shape

public class CollisionBox
extends Rectangle
implements Positionable

An implementation of Rectangle that allows for interpolation. Game objects can use this class to move around the game world and retrieve the appropriate rendering coordinates after interpolating between the previous and current position.

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
CollisionBox()
CollisionBox(float x, float y, float width, float height)

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	forceTo(float x, float y) Sets the current x and y coordinate to the specified x and y and force updates the rendering bounds to match
void	forceTo(float x, float y, float width, float height) Sets the current bounds to the specified bounds and force updates the rendering bounds to match
void	forceToHeight(float height) Sets the current height to the specified height and force updates the rendering bounds to match
void	forceToWidth(float width) Sets the current width to the specified width and force updates the rendering bounds to match
float	getDistanceTo(Positionable positionable) Returns this distance between this object's x,y coordinates and the provided Positionable's xy coordinates
float	getRenderHeight()
float	getRenderRotation()
float	getRenderWidth()
float	getRenderX()
float	getRenderY()
void	interpolate(GameContainer gc, float alpha) Interpolate between the previous and current state
void	preUpdate() This method needs to be called at the start of each frame before any changes are made to this object
<T extends Positionable> void	removePositionChangeListener(PositionChangeListener<T> listener) Removes a PositionChangeListener to stop it being notified of coordinate changes
void	rotateAround(Point center, float degrees) Rotates the shape around a center point by the specified degrees adding to its existing rotation
Rectangle	set(float x, float y, float width, float height)
void	set(Rectangle rectangle)
com.badlogic.gdx.math.Rectangle	set(com.badlogic.gdx.math.Rectangle rectangle)
Rectangle	setHeight(float height)
Rectangle	setPosition(float x, float y)
Rectangle	setPosition(com.badlogic.gdx.math.Vector2 position)
void	setRotationAround(Point center, float degrees) Sets the current rotation of the shape around a center point
Rectangle	setSize(float sizeXY)
Rectangle	setSize(float width, float height)
Rectangle	setWidth(float width)
Rectangle	setX(float x)
Rectangle	setY(float y)
void	update(GameContainer gc, float delta) Updates the game screen

Methods inherited from class org.mini2Dx.core.geom.Rectangle

contains, contains, contains, contains, contains, debug, draw, getCenterX, getCenterY, getDistanceTo, getDistanceTo, getMaxX, getMaxY, getMinX, getMinY, getNumberOfSides, getRotation, intersection, intersects, intersects, intersects, intersects, lerp, overlaps, rotate, setRotation, toString

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

area, equals, fitInside, fitOutside, getAspectRatio, getCenter, getHeight, getPosition, getSize, getWidth, getX, getY, hashCode, merge, merge, merge, merge, perimeter, setCenter, setCenter

Methods inherited from class java.lang.Object

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

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

getX, getY

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

getHeight, getWidth

Methods inherited from interface org.mini2Dx.core.geom.Shape

getX, getY

Constructor Detail

CollisionBox

public CollisionBox()

CollisionBox

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

Method Detail

preUpdate

public void preUpdate()

This method needs to be called at the start of each frame before any changes are made to this object

update

public void update(GameContainer gc,
          float delta)

Description copied from interface: Updatable

Updates the game screen

Specified by:

update in interface Updatable

Parameters:

gc - The GameContainer of the game

delta - The time in seconds since the last update

interpolate

public void interpolate(GameContainer gc,
               float alpha)

Description copied from interface: Updatable

Interpolate between the previous and current state

Specified by:

interpolate in interface Updatable

alpha - The interpolation alpha value

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)

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

Overrides:

setRotationAround in class Rectangle

Parameters:

center - The center point to rotate around

degrees - The rotation angle in degrees

See Also:

Parallelogram.setRotationAround(Point, 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

Overrides:

rotateAround in class Rectangle

degrees - The rotation in degrees

See Also:

Parallelogram.rotateAround(Point, float)

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

forceTo

public void forceTo(float x,
           float y)

Sets the current x and y coordinate to the specified x and y and force updates the rendering bounds to match

Parameters:

x - The x coordinate to set

y - The y coordinate to set

forceTo

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

Sets the current bounds to the specified bounds and force updates the rendering bounds to match

Parameters:

x - The x coordinate to set

y - The y coordinate to set

width - The width to set

height - The height to set

forceToWidth

public void forceToWidth(float width)

Sets the current width to the specified width and force updates the rendering bounds to match

Parameters:

width - The width to set

forceToHeight

public void forceToHeight(float height)

Sets the current height to the specified height and force updates the rendering bounds to match

Parameters:

height - The height to set

set

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

Overrides:

set in class Rectangle

set

public void set(Rectangle rectangle)

Overrides:

set in class Rectangle

set

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

Overrides:

set in class Rectangle

setPosition

public Rectangle setPosition(float x,
                    float y)

Overrides:

setPosition in class Rectangle

setPosition

public Rectangle setPosition(com.badlogic.gdx.math.Vector2 position)

Overrides:

setPosition in class Rectangle

setX

public Rectangle setX(float x)

Overrides:

setX in class Rectangle

setY

public Rectangle setY(float y)

Overrides:

setY in class Rectangle

setWidth

public Rectangle setWidth(float width)

Overrides:

setWidth in class Rectangle

setHeight

public Rectangle setHeight(float height)

Overrides:

setHeight in class Rectangle

setSize

public Rectangle setSize(float width,
                float height)

Overrides:

setSize in class Rectangle

setSize

public Rectangle setSize(float sizeXY)

Overrides:

setSize in class Rectangle

getRenderX

public float getRenderX()

getRenderY

public float getRenderY()

getRenderWidth

public float getRenderWidth()

getRenderHeight

public float getRenderHeight()

getRenderRotation

public float getRenderRotation()