de.jreality.tutorial.util.polygon

Class SubdividedPolygon

java.lang.Object

de.jreality.tutorial.util.polygon.SubdividedPolygon

All Implemented Interfaces:

PointSequence, EventListener, ChangeListener

public class SubdividedPolygon
extends Object
implements PointSequence, ChangeListener

A subdivider that uses 4-point subdivision. For closed or open point sequences. It will be updated whenever the control point sequence changes.

Author:

Steffen Weissmann

Constructor Summary

Constructors

Constructor and Description
SubdividedPolygon(PointSequence controlPoints) Create a SubdividedPolygon for a set of control points.
SubdividedPolygon(PointSequence controlPoints, int subdivisonsteps) Create a SubdividedPolygon for a set of control points.

Method Summary

Modifier and Type	Method and Description
void	addChangeListener(ChangeListener cl)
SceneGraphComponent	getBase()
double[][]	getPoints()
boolean	isClosed()
void	removeChangeListener(ChangeListener cl)
void	setSubdivisionLevel(int n) Set the number of subdivision steps.
void	stateChanged(ChangeEvent e) this is called from the control point sequence.

Methods inherited from class java.lang.Object

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

Constructor Detail

SubdividedPolygon

public SubdividedPolygon(PointSequence controlPoints)

Create a SubdividedPolygon for a set of control points.

Parameters:

controlPoints - the control point sequence used for subdivision.

SubdividedPolygon

public SubdividedPolygon(PointSequence controlPoints,
                         int subdivisonsteps)

Create a SubdividedPolygon for a set of control points.

Parameters:

controlPoints - the control point sequence used for subdivision.

Method Detail

setSubdivisionLevel

public void setSubdivisionLevel(int n)

Set the number of subdivision steps.

Parameters:

n - number of steps

stateChanged

public void stateChanged(ChangeEvent e)

this is called from the control point sequence.

Specified by:

stateChanged in interface ChangeListener

addChangeListener

public void addChangeListener(ChangeListener cl)

Specified by:

addChangeListener in interface PointSequence

removeChangeListener

public void removeChangeListener(ChangeListener cl)

getPoints

public double[][] getPoints()

Specified by:

getPoints in interface PointSequence

isClosed

public boolean isClosed()

Specified by:

isClosed in interface PointSequence

getBase

public SceneGraphComponent getBase()