Package org.xj3d.core.eventmodel

Interface OriginManager

public interface OriginManager

Defines the requirements for the manager of the origin for nodes that will dynamically shift.

Version:

$Revision: 1.1 $

Author:

Rex Melton

Method Summary

Modifier and Type	Method	Description
boolean	getEnabled()	Return whether Geo* nodes should use this manager as their source for origin data.
javax.vecmath.Vector3d	getOrigin()	Return the coordinate to be used as the origin.
boolean	updateViewPosition(javax.vecmath.Vector3f position)	Notify the manager of a change in view position, return whether this change has caused a recalculation of the origin.

Method Details

getOrigin

javax.vecmath.Vector3d getOrigin()

Return the coordinate to be used as the origin.

Returns:

The object containing the origin, or null if one has not been calculated.

updateViewPosition

boolean updateViewPosition(javax.vecmath.Vector3f position)

Notify the manager of a change in view position, return whether this change has caused a recalculation of the origin.

Parameters:

position - The new view position

Returns:

true if the origin has changed, false otherwise.

getEnabled

boolean getEnabled()

Return whether Geo* nodes should use this manager as their source for origin data. If disabled, then Geo* nodes should use the GeoOrigin node for data.

Returns:

true if Geo* nodes should use this manager. false if nodes should the GeoOrigin node.