如何添加可以在我的生命游戏程序中获取生成的功能?
我正在尝试让我的程序在单元格更改其形式的每个步骤中显示(首先在控制台中测试)计数.因此，计数应该从 0 开始，并在每次单元格更改其形式时递增.我试过这个，使用count++但是它不会增加1，而是给我随机数.任何帮助都感激不尽.
导入java.awt.Color；导入 java.util.Timer；导入 java.util.TimerTask；导入 java.awt.Image；导入 java.awt.Graphics；导入 javax.swing.SwingUtilities；公共类 GameOfLife 扩展 javax.swing.JFrame {最终 int wid = 100，hei = 50；公共静态整数计数；boolean[][] currentMove = new boolean[hei][wid], nextMove = new boolean[hei][wid];布尔播放；图像offScrImg；图形offScrGraph；公共 GameOfLife() {初始化组件()；offScrImg = createImage(jPanel1.getWidth(), jPanel1.getHeight());offScrGraph = offScrImg.getGraphics();定时器时间 = new Timer();TimerTask 任务 = 新 TimerTask(){公共无效运行(){如果(播放){System.out.println(count);for(int i = 0; i < hei; i++){for(int j = 0; j < wid; j++){nextMove[i][j] = 决定(i,j);}}for(int i = 0; i < hei; i++){for(int j = 0; j < wid; j++){currentMove[i][j] = nextMove[i][j];}}重绘()；}}};time.scheduleAtFixedRate(任务, 0, 100);重绘()；}私人布尔决定(int i，int j){int 邻居 = 0;//左上角 row-1,col-1if (currentMove[getTopRow(i - 1)][getLeftCol(j - 1)]) 邻居++；//使用 getTopRow 和 getLeftCol 方法确定左上角单元格的索引//左行，col-1if (currentMove[i][getLeftCol(j - 1)]) 邻居++；//左下行+1,col-1if (currentMove[getBottomRow(i + 1)][getLeftCol(j - 1)] ) 邻居++;//底行+1,colif (currentMove[getBottomRow(i + 1)][j]) 邻居++;//右下行+1,col+1if (currentMove[getBottomRow(i + 1)][getRightCol(j + 1)]) 邻居++;//右行，col+1if (currentMove[i][getRightCol(j + 1)]) 邻居++;//右上角 row-1,col+1if (currentMove[getTopRow(i - 1)][getRightCol(j + 1)])neighbors++;//第一行，colif(currentMove[getTopRow(i - 1)][j]) 邻居++;如果(邻居 == 3){计数++；返回真；}if(currentMove[i][j] && 邻居 == 2){计数++；返回真；}返回假；}私人int getLeftCol(int neighbourCol){返回邻居Col <0 ?(wid-1):neighbourCol；//如果leftCol的索引小于0，则使用最右边的col(columns - 1)}私人int getRightCol(int neighbourCol){返回邻居Col >(wid-1) ?0:邻居Col；}私人int getTopRow(int neighbourRow){返回neighbourRow <0 ?(hei - 1):neighbourRow；//如果topRow的索引小于0，则使用底部最后一行(rows - 1)}私人int getBottomRow(int neighbourRow){返回 neighbourRow >(嘿 - 1)?0:邻居行；}私人无效repain(){offScrGraph.setColor(Color.RED);offScrGraph.fillRect(0, 0, jPanel1.getWidth(), jPanel1.getHeight());for(int i = 0 ; i < hei ; i++){for(int j = 0 ; j < wid; j++){如果(当前移动[i][j]){offScrGraph.setColor(Color.GREEN);int x = j * jPanel1.getWidth()/wid;int y = i * jPanel1.getHeight()/hei;offScrGraph.fillRect(x, y, jPanel1.getWidth()/wid, jPanel1.getHeight()/hei);}}}offScrGraph.setColor(Color.BLACK);for(int i = 1; i < hei;i++){int y = i * jPanel1.getHeight()/hei;offScrGraph.drawLine(0, y, jPanel1.getWidth(), y);}for(int j = 1; j < wid;j++){int x = j * jPanel1.getWidth()/wid;offScrGraph.drawLine(x, 0, x, jPanel1.getHeight());}jPanel1.getGraphics().drawImage(offScrImg, 0, 0, jPanel1);}@SuppressWarnings("未选中")//<editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents私人无效initComponents(){jPanel1 = 新 javax.swing.JPanel();jButton1 = new javax.swing.JButton();jButton2 = 新 javax.swing.JButton();setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);jPanel1.setBackground(新 java.awt.Color(102, 102, 102));jPanel1.addMouseMotionListener(new java.awt.event.MouseMotionAdapter() {公共无效鼠标拖动(java.awt.event.MouseEvent evt){jPanel1MouseDragged(evt);}});jPanel1.addMouseListener(new java.awt.event.MouseAdapter() {公共无效鼠标点击(java.awt.event.MouseEvent evt){jPanel1MouseClicked(evt);}});jPanel1.addComponentListener(new java.awt.event.ComponentAdapter() {公共无效组件调整(java.awt.event.ComponentEvent evt){jPanel1ComponentResized(evt);}});javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);jPanel1.setLayout(jPanel1Layout);jPanel1Layout.setHorizontalGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGap(0, 0, Short.MAX_VALUE));jPanel1Layout.setVerticalGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGap(0, 293, Short.MAX_VALUE));jButton1.setText("播放");jButton1.addActionListener(new java.awt.event.ActionListener() {公共无效actionPerformed(java.awt.event.ActionEvent evt){jButton1ActionPerformed(evt);}});jButton2.setText("重置");jButton2.addActionListener(new java.awt.event.ActionListener() {公共无效actionPerformed(java.awt.event.ActionEvent evt){jButton2ActionPerformed(evt);}});javax.swing.GroupLayout 布局 = 新 javax.swing.GroupLayout(getContentPane());getContentPane().setLayout(布局);layout.setHorizontalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(layout.createSequentialGroup().addContainerGap().addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addComponent(jPanel1，javax.swing.GroupLayout.DEFAULT_SIZE，javax.swing.GroupLayout.DEFAULT_SIZE，Short.MAX_VALUE).addGroup(layout.createSequentialGroup().addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 81, javax.swing.GroupLayout.PREFERRED_SIZE).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED，323，Short.MAX_VALUE).addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, 81, javax.swing.GroupLayout.PREFERRED_SIZE))).addContainerGap()));布局.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(layout.createSequentialGroup().addContainerGap().addComponent(jPanel1，javax.swing.GroupLayout.DEFAULT_SIZE，javax.swing.GroupLayout.DEFAULT_SIZE，Short.MAX_VALUE).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE).addComponent(jButton1).addComponent(jButton2)).addContainerGap()));盒();}//</editor-fold>//GEN-END:initComponentsprivate void jPanel1MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jPanel1MouseClicked}//GEN-LAST:event_jPanel1MouseClickedprivate void jPanel1ComponentResized(java.awt.event.ComponentEvent evt) {//GEN-FIRST:event_jPanel1ComponentResizedoffScrImg = createImage(jPanel1.getWidth(), jPanel1.getHeight());offScrGraph = offScrImg.getGraphics();重绘()；}//GEN-LAST:event_jPanel1ComponentResizedprivate void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed玩=！玩；if(play) jButton1.setText("暂停");否则 jButton1.setText("播放");重绘()；}//GEN-LAST:event_jButton1ActionPerformedprivate void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformedcurrentMove = new boolean[hei][wid];重绘()；}//GEN-LAST:event_jButton2ActionPerformedprivate void jPanel1MouseDragged(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jPanel1MouseDraggedint j = wid * evt.getX()/jPanel1.getWidth();int i = hei * evt.getY()/jPanel1.getHeight();如果(SwingUtilities.isLeftMouseButton(evt)){currentMove[i][j] = true;} 否则 currentMove[i][j] = false;重绘()；}//GEN-LAST:event_jPanel1MouseDragged公共静态无效主要(字符串参数[]){//<editor-fold defaultstate="collapsed" desc="外观设置代码(可选)">/* 如果 Nimbus(Java SE 6 中引入)不可用，则保持默认外观.* 详情见 http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html*/尝试 {对于(javax.swing.UIManager.LookAndFeelInfo 信息:javax.swing.UIManager.getInstalledLookAndFeels()){if ("Nimbus".equals(info.getName())) {javax.swing.UIManager.setLookAndFeel(info.getClassName());休息;}}} 捕捉(ClassNotFoundException ex){java.util.logging.Logger.getLogger(GameOfLife.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);} 捕捉(实例化异常前){java.util.logging.Logger.getLogger(GameOfLife.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);} 捕捉(IllegalAccessException ex){java.util.logging.Logger.getLogger(GameOfLife.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);} 捕捉(javax.swing.UnsupportedLookAndFeelException ex){java.util.logging.Logger.getLogger(GameOfLife.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);}//</编辑器折叠>java.awt.EventQueue.invokeLater(new Runnable() {公共无效运行(){新的 GameOfLife().setVisible(true);}});}//变量声明 - 不要修改//GEN-BEGIN:variables私有 javax.swing.JButton jButton1;私有 javax.swing.JButton jButton2;私有 javax.swing.JPanel jPanel1;//变量声明结束//GEN-END:variables}使用
import java.awt.*;导入 java.awt.event.*；导入 javax.swing.*；导入 java.util.Random；公共类 GameOfLife 扩展 JPanel {私有 int 行，col；私人布尔isLiving；私有静态int代= 0；公共静态随机随机=新随机()；公共GameOfLife(int r，int c){this.row = r;这个.col = c;MouseListener 监听器 = new MouseAdapter() {公共无效鼠标点击(鼠标事件e){isLiving = !isLiving;重绘()；}};this.addMouseListener(listener);isLiving = random.nextBoolean();}公共布尔isAlive(int邻居){布尔活=假；如果(this.isLiving){如果(邻居< 2){活着=假；} else if (邻居 == 2 || 邻居 == 3) {活着=真；} else if (neighbors > 3) {活着=假；}} 别的 {如果(邻居== 3){活着=真；}}活着回来；}公共无效setAlive(布尔活着){isLiving = 活着；}公共布尔 isLiving() {返回 this.isLiving;}公共无效paintComponent(图形g){super.paintComponent(g);如果(this.isLiving){g.fillRect(0, 0, getWidth() - 1, getHeight() - 1);} 别的 {g.drawRect(0, 0, getWidth() - 1, getHeight() - 1);}}公共静态无效主要(字符串[]参数){最终整数 s = 40；JPanel ui = new JPanel(new BorderLayout(4, 4));final JLabel generationLabel = new JLabel("0", JLabel.CENTER);ui.add(generationLabel, BorderLayout.PAGE_START);最终的 GameOfLife[][] 生物圈 = 新的 GameOfLife[s][s];final JPanel gui = new JPanel(new GridLayout(s, s, 2, 2));ui.add(gui);for (int ii = 0; ii < s; ii++) {for (int jj = 0; jj < s; jj++) {GameOfLife 细胞 = 新的 GameOfLife(ii, jj);cell.setPreferredSize(新维度(10, 10));gui.add(单元格);生物圈[ii][jj] = 细胞；}}ActionListener al = new ActionListener() {公共无效actionPerformed(ActionEvent ae){boolean[][] living = new boolean[s][s];for (int ii = 0; ii < s; ii++) {for (int jj = 0; jj < s; jj++) {int top = (jj > 0 ? jj - 1 : s - 1);int btm = (jj I'm trying to make my program display (testing in console first) the count number at each step where the cell changes its form. So the count should start from 0 and increment each time the cell changes its form. I tried this, using count++ however it doesn't increment by 1 but instead gives me random numbers. Any help will be much appreciated.
import java.awt.Color;
import java.util.Timer;
import java.util.TimerTask;
import java.awt.Image;
import java.awt.Graphics;
import javax.swing.SwingUtilities;
public class GameOfLife extends javax.swing.JFrame {
final int wid = 100, hei = 50;
public static int count;
boolean[][] currentMove = new boolean[hei][wid], nextMove = new boolean[hei][wid];
boolean play;
Image offScrImg;
Graphics offScrGraph;
public GameOfLife() {
initComponents();
offScrImg = createImage(jPanel1.getWidth(), jPanel1.getHeight());
offScrGraph = offScrImg.getGraphics();
Timer time = new Timer();
TimerTask task = new TimerTask(){
public void run(){
if(play){
System.out.println(count);
for(int i = 0; i < hei; i++){
for(int j = 0; j < wid; j++){
nextMove[i][j] = decide(i,j);
}
}
for(int i = 0; i < hei; i++){
for(int j = 0; j < wid; j++){
currentMove[i][j] = nextMove[i][j];
}
}
repain();
}
}
};
time.scheduleAtFixedRate(task, 0, 100);
repain();
}
private boolean decide(int i, int j){
int neighbors = 0;
// top-left row-1,col-1
if (currentMove[getTopRow(i - 1)][getLeftCol(j - 1)]) neighbors++; //Uses getTopRow and getLeftCol methods to determine the indices of the top left cell
// left row,col-1
if (currentMove[i][getLeftCol(j - 1)]) neighbors++;
// bottom left row+1,col-1
if (currentMove[getBottomRow(i + 1)][getLeftCol(j - 1)] ) neighbors++;
// bottom row+1,col
if (currentMove[getBottomRow(i + 1)][j]) neighbors++;
// bottom right row+1,col+1
if (currentMove[getBottomRow(i + 1)][getRightCol(j + 1)]) neighbors++;
// right row,col+1
if (currentMove[i][getRightCol(j + 1)]) neighbors++;
// top-right row-1,col+1
if (currentMove[getTopRow(i - 1)][getRightCol(j + 1)])neighbors++;
// top row-1, col
if(currentMove[getTopRow(i - 1)][j]) neighbors++;
if(neighbors == 3) {
count++;
return true;
}
if(currentMove[i][j] && neighbors == 2){
count++;
return true;
}
return false;
}
private int getLeftCol(int neighbourCol) {
return neighbourCol < 0 ? (wid-1) : neighbourCol; //If the index of leftCol is less than 0, it uses the right most col (columns - 1)
}
private int getRightCol(int neighbourCol) {
return neighbourCol > (wid-1) ? 0 : neighbourCol;
}
private int getTopRow(int neighbourRow) {
return neighbourRow < 0 ? (hei - 1) : neighbourRow; //If the index of topRow is less than 0, it uses the bottom last row (rows - 1)
}
private int getBottomRow(int neighbourRow) {
return neighbourRow > (hei - 1) ? 0 : neighbourRow;
}
private void repain(){
offScrGraph.setColor(Color.RED);
offScrGraph.fillRect(0, 0, jPanel1.getWidth(), jPanel1.getHeight());
for(int i = 0 ; i < hei ; i++){
for(int j = 0 ; j < wid; j++){
if(currentMove[i][j]){
offScrGraph.setColor(Color.GREEN);
int x = j * jPanel1.getWidth()/wid;
int y = i * jPanel1.getHeight()/hei;
offScrGraph.fillRect(x, y, jPanel1.getWidth()/wid, jPanel1.getHeight()/hei);
}
}
}
offScrGraph.setColor(Color.BLACK);
for(int i = 1; i < hei;i++){
int y = i * jPanel1.getHeight()/hei;
offScrGraph.drawLine(0, y, jPanel1.getWidth(), y);
}
for(int j = 1; j < wid;j++){
int x = j * jPanel1.getWidth()/wid;
offScrGraph.drawLine(x, 0, x, jPanel1.getHeight());
}
jPanel1.getGraphics().drawImage(offScrImg, 0, 0, jPanel1);
}
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
private void initComponents() {
jPanel1 = new javax.swing.JPanel();
jButton1 = new javax.swing.JButton();
jButton2 = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
jPanel1.setBackground(new java.awt.Color(102, 102, 102));
jPanel1.addMouseMotionListener(new java.awt.event.MouseMotionAdapter() {
public void mouseDragged(java.awt.event.MouseEvent evt) {
jPanel1MouseDragged(evt);
}
});
jPanel1.addMouseListener(new java.awt.event.MouseAdapter() {
public void mouseClicked(java.awt.event.MouseEvent evt) {
jPanel1MouseClicked(evt);
}
});
jPanel1.addComponentListener(new java.awt.event.ComponentAdapter() {
public void componentResized(java.awt.event.ComponentEvent evt) {
jPanel1ComponentResized(evt);
}
});
javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 0, Short.MAX_VALUE)
);
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGap(0, 293, Short.MAX_VALUE)
);
jButton1.setText("Play");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
jButton2.setText("Reset");
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addGroup(layout.createSequentialGroup()
.addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 81, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 323, Short.MAX_VALUE)
.addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, 81, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap())
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton1)
.addComponent(jButton2))
.addContainerGap())
);
pack();
}// </editor-fold>//GEN-END:initComponents
private void jPanel1MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jPanel1MouseClicked
}//GEN-LAST:event_jPanel1MouseClicked
private void jPanel1ComponentResized(java.awt.event.ComponentEvent evt) {//GEN-FIRST:event_jPanel1ComponentResized
offScrImg = createImage(jPanel1.getWidth(), jPanel1.getHeight());
offScrGraph = offScrImg.getGraphics();
repain();
}//GEN-LAST:event_jPanel1ComponentResized
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
play = !play;
if(play) jButton1.setText("Pause");
else jButton1.setText("Play");
repain();
}//GEN-LAST:event_jButton1ActionPerformed
private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton2ActionPerformed
currentMove = new boolean[hei][wid];
repain();
}//GEN-LAST:event_jButton2ActionPerformed
private void jPanel1MouseDragged(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jPanel1MouseDragged
int j = wid * evt.getX() / jPanel1.getWidth();
int i = hei * evt.getY() / jPanel1.getHeight();
if(SwingUtilities.isLeftMouseButton(evt)){
currentMove[i][j] = true;
}else currentMove[i][j] = false;
repain();
}//GEN-LAST:event_jPanel1MouseDragged
public static void main(String args[]) {
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(GameOfLife.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(GameOfLife.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(GameOfLife.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(GameOfLife.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new GameOfLife().setVisible(true);
}
});
}
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton2;
private javax.swing.JPanel jPanel1;
// End of variables declaration//GEN-END:variables
}
解决方案
This is how it can be done using a related code example.
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.Random;
public class GameOfLife extends JPanel {
private int row, col;
private boolean isLiving;
private static int generation = 0;
public static Random random = new Random();
public GameOfLife(int r, int c) {
this.row = r;
this.col = c;
MouseListener listener = new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
isLiving = !isLiving;
repaint();
}
};
this.addMouseListener(listener);
isLiving = random.nextBoolean();
}
public boolean isAlive(int neighbors) {
boolean alive = false;
if (this.isLiving) {
if (neighbors < 2) {
alive = false;
} else if (neighbors == 2 || neighbors == 3) {
alive = true;
} else if (neighbors > 3) {
alive = false;
}
} else {
if (neighbors == 3) {
alive = true;
}
}
return alive;
}
public void setAlive(boolean alive) {
isLiving = alive;
}
public boolean isLiving() {
return this.isLiving;
}
public void paintComponent(Graphics g) {
super.paintComponent(g);
if (this.isLiving) {
g.fillRect(0, 0, getWidth() - 1, getHeight() - 1);
} else {
g.drawRect(0, 0, getWidth() - 1, getHeight() - 1);
}
}
public static void main(String[] args) {
final int s = 40;
JPanel ui = new JPanel(new BorderLayout(4, 4));
final JLabel generationLabel = new JLabel("0", JLabel.CENTER);
ui.add(generationLabel, BorderLayout.PAGE_START);
final GameOfLife[][] biosphere = new GameOfLife[s][s];
final JPanel gui = new JPanel(new GridLayout(s, s, 2, 2));
ui.add(gui);
for (int ii = 0; ii < s; ii++) {
for (int jj = 0; jj < s; jj++) {
GameOfLife cell = new GameOfLife(ii, jj);
cell.setPreferredSize(new Dimension(10, 10));
gui.add(cell);
biosphere[ii][jj] = cell;
}
}
ActionListener al = new ActionListener() {
public void actionPerformed(ActionEvent ae) {
boolean[][] living = new boolean[s][s];
for (int ii = 0; ii < s; ii++) {
for (int jj = 0; jj < s; jj++) {
int top = (jj > 0 ? jj - 1 : s - 1);
int btm = (jj < s - 1 ? jj + 1 : 0);
int lft = (ii > 0 ? ii - 1 : s - 1);
int rgt = (ii < s - 1 ? ii + 1 : 0);
int neighbors = 0;
if (biosphere[ii][top].isLiving()) {
neighbors++;
}
if (biosphere[ii][btm].isLiving()) {
neighbors++;
}
if (biosphere[lft][top].isLiving()) {
neighbors++;
}
if (biosphere[lft][btm].isLiving()) {
neighbors++;
}
if (biosphere[lft][jj].isLiving()) {
neighbors++;
}
if (biosphere[rgt][jj].isLiving()) {
neighbors++;
}
if (biosphere[rgt][top].isLiving()) {
neighbors++;
}
if (biosphere[rgt][btm].isLiving()) {
neighbors++;
}
living[ii][jj] = biosphere[ii][jj].isAlive(neighbors);
}
}
for (int ii = 0; ii < s; ii++) {
for (int jj = 0; jj < s; jj++) {
biosphere[ii][jj].setAlive(living[ii][jj]);
}
}
generationLabel.setText("Generation: " + generation++);
gui.repaint();
}
};
Timer timer = new Timer(50, al);
timer.start();
JOptionPane.showMessageDialog(null, ui);
timer.stop();
}
}
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