org.newdawn.slick.geom
Class MannTriangulator

java.lang.Object
  org.newdawn.slick.geom.MannTriangulator

All Implemented Interfaces:

java.io.Serializable, Triangulator

public class MannTriangulator
extends java.lang.Object
implements Triangulator

A 2D Triangulator. Graciously made available by the man(n) himself.

Author:

Matthias Mann

See Also:

Serialized Form

Nested Class Summary

protected class

MannTriangulator.PointBag A bag/pool of point objects

Field Summary

protected MannTriangulator.PointBag	contour The outer countour of the shape
protected MannTriangulator.PointBag	holes The holes defined in the polygon

Constructor Summary

MannTriangulator()
Creates a new instance of Triangulator0

Method Summary

void	addPolyPoint(float x, float y) Add a point that forms part of the outer polygon
int	getTriangleCount() Get a count of the number of triangles produced
float[]	getTrianglePoint(int tri, int i) Get a point on a specified generated triangle
void	reset() Reset the internal state of the triangulator
void	startHole() Begin adding a hole to the polygon
boolean	triangulate() Run the triangulation

Methods inherited from class java.lang.Object

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

Field Detail

contour

protected MannTriangulator.PointBag contour

The outer countour of the shape

holes

protected MannTriangulator.PointBag holes

The holes defined in the polygon

Constructor Detail

MannTriangulator

public MannTriangulator()

Creates a new instance of Triangulator0

Method Detail

addPolyPoint

public void addPolyPoint(float x,
                         float y)

Description copied from interface: Triangulator

Add a point that forms part of the outer polygon

Specified by:

addPolyPoint in interface Triangulator

Parameters:

x - The x coordinate of the point

y - The y coordiante of the point

See Also:

Triangulator.addPolyPoint(float, float)

reset

public void reset()

Reset the internal state of the triangulator

startHole

public void startHole()

Begin adding a hole to the polygon

Specified by:

startHole in interface Triangulator

triangulate

public boolean triangulate()

Description copied from interface: Triangulator

Run the triangulation

Specified by:

triangulate in interface Triangulator

Returns:

True if successful

getTriangleCount

public int getTriangleCount()

Description copied from interface: Triangulator

Get a count of the number of triangles produced

Specified by:

getTriangleCount in interface Triangulator

Returns:

The number of triangles produced

See Also:

Triangulator.getTriangleCount()

getTrianglePoint

public float[] getTrianglePoint(int tri,
                                int i)

Description copied from interface: Triangulator

Get a point on a specified generated triangle

Specified by:

getTrianglePoint in interface Triangulator

Parameters:

tri - The index of the triangle to interegate

i - The index of the point within the triangle to retrieve (0 - 2)

Returns:

The x,y coordinate pair for the point

See Also:

Triangulator.getTrianglePoint(int, int)