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org.vrspace.vrmlclient
Class SceneManager  

java.lang.Object
  org.vrspace.vrmlclient.SceneManager

All Implemented Interfaces:

java.util.Observer

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public class SceneManager

extends java.lang.Object

implements java.util.Observer

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Field Summary
(package private)  VRSpace	applet
(package private)  java.util.Hashtable	scene
(package private)  java.util.Hashtable	transforms

 

Constructor Summary

SceneManager(VRSpace applet, int size)

 

Method Summary
NodeManager	addNode(java.lang.String className, long id)           Adds a node to the scene.
Transform	addTransform(vrml.external.Node parent, long id)           Adds Transform to the scene
NodeManager	getNodeManager(java.lang.String className, long id)
Transform	getParent(java.lang.String className, long id)
Transform	getTransform(long id)
void	loadNode(java.lang.String className, long id, java.lang.String url)           Sets node's url and returns it's parent Transform.
void	removed(Transform t)           called by the loader when transform unloads
void	removeNode(java.lang.String className, long id)           Scedules Node for unload
void	removeTransform(vrml.external.Node node, long id)           Scedules Transform for unload.
void	reset()           Reset the scene and create a new one
int	size()           returns scene size
void	update(java.util.Observable node, java.lang.Object request)           request from vrml node

 

Methods inherited from class java.lang.Object

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

 

Field Detail

scene

java.util.Hashtable scene

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transforms

java.util.Hashtable transforms

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applet

VRSpace applet

Constructor Detail

SceneManager

public SceneManager(VRSpace applet,
                    int size)

Method Detail

reset

public void reset()

Reset the scene and create a new one

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addTransform

public Transform addTransform(vrml.external.Node parent,
                              long id)

Adds Transform to the scene

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addNode

public NodeManager addNode(java.lang.String className,
                           long id)

Adds a node to the scene. Joins node with it's parent transform

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getNodeManager

public NodeManager getNodeManager(java.lang.String className,
                                  long id)

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getTransform

public Transform getTransform(long id)

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loadNode

public void loadNode(java.lang.String className,
                     long id,
                     java.lang.String url)

Sets node's url and returns it's parent Transform. Schedules url for load.

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getParent

public Transform getParent(java.lang.String className,
                           long id)

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removeNode

public void removeNode(java.lang.String className,
                       long id)

Scedules Node for unload

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removeTransform

public void removeTransform(vrml.external.Node node,
                            long id)

Scedules Transform for unload.

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removed

public void removed(Transform t)

called by the loader when transform unloads

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update

public void update(java.util.Observable node,
                   java.lang.Object request)

request from vrml node

Specified by:

update in interface java.util.Observer

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size

public int size()

returns scene size

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