mr3d
Class ObjectArray

java.lang.Object
  mr3d.debug.ErrorHandling
      mr3d.ObjectArray

public class ObjectArray

extends ErrorHandling

The class ObjectArray is a collection of all 3D-objects needed for the scene. It gives the SceneManager an interface to access all the objects in a 3D scene. ObjectArray is a Singleton.

Since:

MR3Dv1.0

Version:

11-2004

Author:

Manuel Ruelke

Field Summary

private static ObjectArray	instance Reference to the only instance of the class.
private static int	nrOfInstances Stores the numbers of instances of ObjectArray.
private java.util.Vector	objects Contains all objects of a scene.

Fields inherited from class mr3d.debug.ErrorHandling

Constructor Summary

private

ObjectArray() Creates a new object array.

Method Summary

int	addObject(TriangleBased3DObject newObject) Adds a new 3D-object to the object array.
void	clearObjectArray() Delete all content from the object array.
static ObjectArray	createInstance() Creates one instance of the ObjectArray.
TriangleBased3DObject	getObject(int index) Returns the 3D-object at the specified position.
void	recalculate() Starts a recalculation process for all objects.
int	size() Returns the number of 3D-bjects in objects.
void	toConsole()
void	toConsole(java.lang.String msgString)

Methods inherited from class mr3d.debug.ErrorHandling

getErrMsg, notifyError

Methods inherited from class java.lang.Object

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

Field Detail

instance

private static ObjectArray instance

Reference to the only instance of the class.

nrOfInstances

private static int nrOfInstances

Stores the numbers of instances of ObjectArray. This is neccessary to make sure there is only one instance.

objects

private java.util.Vector objects

Contains all objects of a scene.

Constructor Detail

ObjectArray

private ObjectArray()

Creates a new object array.

Method Detail

addObject

public int addObject(TriangleBased3DObject newObject)

Adds a new 3D-object to the object array.

Parameters:

newObject - the new 3D object to be added to the scene

Returns:

Object Array index, that serves as object handle in the calling program section

clearObjectArray

public void clearObjectArray()

Delete all content from the object array.

createInstance

public static ObjectArray createInstance()

Creates one instance of the ObjectArray. This method checks the nrOfInstances value to ensure that only one instance is running.

Returns:

an instance of ObjectArray

getObject

public TriangleBased3DObject getObject(int index)

Returns the 3D-object at the specified position. If the position index is out of bounds the method returns null.

Parameters:

index - object array index

Returns:

3D object at the specified positon

recalculate

public void recalculate()

Starts a recalculation process for all objects.

size

public int size()

Returns the number of 3D-bjects in objects.

toConsole

public void toConsole()

toConsole

public void toConsole(java.lang.String msgString)