Contest1
Class Cell

java.lang.Object
  |
  +--java.awt.Polygon
        |
        +--Contest1.Cell

class Cell

extends Polygon

Cell is a class that represents a triangular cell on the game board.

Since:

JDK1.2

See Also:

Serialized Form

Inner classes inherited from class java.awt.Polygon

Polygon.PolygonPathIterator

Field Summary

private boolean	isalive The state of this cell.
private int[][]	neighbors Triangles have 12 neighbors.
(package private) boolean	point_up Tells whether this triangle is situated on baord with its point up or down.
private byte[]	pointDownNeighborCol The offset column indicies for "point down" neighbors.
private byte[]	pointDownNeighborRow The offset row indicies for "point down" neighbors.
private byte[]	pointUpNeighborCol The offset column indicies for "point up" neighbors.
private byte[]	pointUpNeighborRow The offset row indicies for "point up" neighbors.

Fields inherited from class java.awt.Polygon

bounds, npoints, serialVersionUID, xpoints, ypoints

Constructor Summary

(package private)

Cell(int row_index, int col_index, Point p, Dimension d, boolean point_up) Constructor for a triangularly shaped cell.

Method Summary

private void	assignNeighbors(int row, int col) Assigns the neighbors of this cell.
(package private) void	changeState() Switch the boolean state of cell's isalive value.
(package private) void	die() Sets the value of cell's isalive variable to false.
(package private) int[][]	getNeighbors() Gets the cell's neighbors.
(package private) boolean	isAlive() Returns value of isalive variable.
(package private) void	live() Sets value of cell's isalive variable to true,.

Methods inherited from class java.awt.Polygon

addPoint, calculateBounds, contains, contains, contains, contains, contains, contains, getBoundingBox, getBounds, getBounds2D, getPathIterator, getPathIterator, inside, intersects, intersects, translate, updateBounds

Methods inherited from class java.lang.Object

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

Field Detail

isalive

private boolean isalive

The state of this cell.

point_up

boolean point_up

Tells whether this triangle is situated on baord with its point up or down.

neighbors

private int[][] neighbors

Triangles have 12 neighbors.

pointUpNeighborRow

private byte[] pointUpNeighborRow

The offset row indicies for "point up" neighbors.

pointUpNeighborCol

private byte[] pointUpNeighborCol

The offset column indicies for "point up" neighbors.

pointDownNeighborRow

private byte[] pointDownNeighborRow

The offset row indicies for "point down" neighbors.

pointDownNeighborCol

private byte[] pointDownNeighborCol

The offset column indicies for "point down" neighbors.

Constructor Detail

Cell

Cell(int row_index,
     int col_index,
     Point p,
     Dimension d,
     boolean point_up)

Constructor for a triangularly shaped cell.

Parameters:

row_index - row index of the board

col_index - column index of the board

p - Point object specifying first vertext of triangle

d - Dimesnion object specifying width and height of cell

point_up - true if this triangle cell should point "up" false if should point down.

See Also:

Point, Dimension

Method Detail

isAlive

boolean isAlive()

Returns value of isalive variable.

Returns:

true if cell is alive, false otherwise

die

void die()

Sets the value of cell's isalive variable to false.

live

void live()

Sets value of cell's isalive variable to true,.

changeState

void changeState()

Switch the boolean state of cell's isalive value.

getNeighbors

int[][] getNeighbors()

Gets the cell's neighbors.

Returns:

two-dimensional integer array, row index in first dimension, column index in second dimension.

assignNeighbors

private void assignNeighbors(int row,
                             int col)

Assigns the neighbors of this cell.

Parameters:

row - row index of the cell for which to determine neighbors.

col - column index of the cell for which to determine neighbors.