org.opensourcephysics.display3d.simple3d
Class Group

java.lang.Object
  org.opensourcephysics.display3d.simple3d.Element
      org.opensourcephysics.display3d.simple3d.Group

All Implemented Interfaces:

Element, Group, InteractionSource

public class Group
extends Element
implements Group

Title: Group

Description: A Group is an element that is made of other elements.

The group's position, size, visibility and transformation do affect the elements in the group. The group's style doesn't, though.

Version:

March 2005

Author:

Francisco Esquembre

See Also:

Style

Nested Class Summary

protected static class

Group.Loader

Field Summary

Fields inherited from class org.opensourcephysics.display3d.simple3d.Element

targetPosition, targetSize

Fields inherited from interface org.opensourcephysics.display3d.core.Element

TARGET_POSITION, TARGET_SIZE

Constructor Summary

Group()

Method Summary

void	addElement(Element element) Adds an Element to this Group.
void	addElements(java.util.Collection elements)
Element	getElement(int index) Gets the elements of the group at a given index.
java.util.ArrayList	getElements() Gets the cloned list of Elements in the group.
void	getExtrema(double[] min, double[] max) Returns the extreme points of a box that contains the element.
static XML.ObjectLoader	getLoader()
InteractionTarget	getTargetHit(int x, int y) Gets the target that is under the (x,y) position of the screen
void	removeAllElements() Removes all Elements from this Group
void	removeElement(Element element) Removes an Element from this Group

Methods inherited from class org.opensourcephysics.display3d.simple3d.Element

addInteractionListener, getHotSpotBodyCoordinates, getInteractionTarget, getName, getSizeX, getSizeY, getSizeZ, getStyle, getTransformation, getX, getY, getZ, isReallyVisible, isVisible, loadUnmutableObjects, removeInteractionListener, setName, setSizeX, setSizeXYZ, setSizeXYZ, setSizeY, setSizeZ, setTransformation, setVisible, setX, setXYZ, setXYZ, setY, setZ, toBodyFrame, toSpaceFrame

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.opensourcephysics.display3d.core.Element

getName, getSizeX, getSizeY, getSizeZ, getStyle, getTransformation, getX, getY, getZ, isVisible, loadUnmutableObjects, setName, setSizeX, setSizeXYZ, setSizeXYZ, setSizeY, setSizeZ, setTransformation, setVisible, setX, setXYZ, setXYZ, setY, setZ, toBodyFrame, toSpaceFrame

Methods inherited from interface org.opensourcephysics.display3d.core.interaction.InteractionSource

addInteractionListener, getInteractionTarget, removeInteractionListener

Constructor Detail

Group

public Group()

Method Detail

addElement

public void addElement(Element element)

Description copied from interface: Group

Adds an Element to this Group.

Specified by:

addElement in interface Group

Parameters:

element - Element

See Also:

Element

addElements

public void addElements(java.util.Collection elements)

removeElement

public void removeElement(Element element)

Description copied from interface: Group

Removes an Element from this Group

Specified by:

removeElement in interface Group

Parameters:

element - Element

See Also:

Element

removeAllElements

public void removeAllElements()

Description copied from interface: Group

Removes all Elements from this Group

Specified by:

removeAllElements in interface Group

See Also:

Element

getElements

public java.util.ArrayList getElements()

Description copied from interface: Group

Gets the cloned list of Elements in the group. (Should be synchronized.)

Specified by:

getElements in interface Group

Returns:

cloned list

getElement

public Element getElement(int index)

Description copied from interface: Group

Gets the elements of the group at a given index.

Specified by:

getElement in interface Group

Returns:

the given element (null if the index is not within allowed bounds)

getExtrema

public void getExtrema(double[] min,
                       double[] max)

Description copied from class: Element

Returns the extreme points of a box that contains the element.

Parameters:

min - double[] A previously allocated double[3] array that will hold the minimum point

max - double[] A previously allocated double[3] array that will hold the maximum point

getTargetHit

public InteractionTarget getTargetHit(int x,
                                      int y)

Description copied from class: Element

Gets the target that is under the (x,y) position of the screen

Overrides:

getTargetHit in class Element

Parameters:

x - int

y - int

Returns:

InteractionTarget

getLoader

public static XML.ObjectLoader getLoader()