Package snake2D

Class Snake2DNode

java.lang.Object

java.awt.geom.Point2D

java.awt.geom.Point2D.Double

snake2D.Snake2DNode

All Implemented Interfaces:

Serializable, Cloneable

public class Snake2DNode
extends Point2D.Double

This class is used to store the snake-defining parameters. It extends the capabilities of the class Point2D.Double by additional state variables.

See Also:

• Snake2D
• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.awt.geom.Point2D

Point2D.Double, Point2D.Float

Field Summary

Fields

Modifier and Type	Field	Description
boolean	frozen	Methods of the class Snake2DKeeper are allowed to modify Snake2DNode objects only if their frozen flag is set to false.
boolean	hidden	Methods of the class Snake2DKeeper are allowed to interactively display (as a cross) the nodes stored in Snake2DNode objects only if their hidden flag is set to false.

Fields inherited from class java.awt.geom.Point2D.Double

x, y

Constructor Summary

Constructors

Constructor	Description
Snake2DNode(double x, double y)	This constructor builds a point that is initially neither frozen nor hidden.
Snake2DNode(double x, double y, boolean frozen, boolean hidden)	This constructor builds a point with the given initial values.

Method Summary

Modifier and Type	Method	Description
String	toString()	This method returns text-based information about this object.

Methods inherited from class java.awt.geom.Point2D.Double

getX, getY, setLocation

Methods inherited from class java.awt.geom.Point2D

clone, distance, distance, distance, distanceSq, distanceSq, distanceSq, equals, hashCode, setLocation

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Field Details

frozen

public boolean frozen

Methods of the class Snake2DKeeper are allowed to modify Snake2DNode objects only if their frozen flag is set to false.

hidden

public boolean hidden

Methods of the class Snake2DKeeper are allowed to interactively display (as a cross) the nodes stored in Snake2DNode objects only if their hidden flag is set to false.

Constructor Details

Snake2DNode

public Snake2DNode(double x,
 double y)

This constructor builds a point that is initially neither frozen nor hidden.

Parameters:

x - The horizontal coordinate.

y - The vertical coordinate.

Snake2DNode

public Snake2DNode(double x,
 double y,
 boolean frozen,
 boolean hidden)

This constructor builds a point with the given initial values.

Parameters:

x - The horizontal coordinate.

y - The vertical coordinate.

frozen - Set to false to allow methods of the class Snake2DKeeper to modify this point. Set to true otherwise.

hidden - Set to false to allow methods of the class Snake2DKeeper to display this point. Set to true otherwise.

Method Details

toString

public String toString()

This method returns text-based information about this object.

Overrides:

toString in class Point2D.Double