So i am having problem checking the winner diagonally in a game called connect 4. I didn't have any problem checking vertically and horizontally. So.. Can u please help me check diagonally?
Code so far:
import java.awt.Color;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.SwingConstants;
import javax.swing.border.LineBorder;
public class connectFourDesign extends JPanel {
private static final long serialVersionUID = 1L;
// Welcome Screen
private JLabel lblWelcome;
// Buttons for Welcome Screen
private JButton playButton;
private JButton helpButton;
private JButton quitButton;
// Game Modes
private JButton onePlayer;
private JButton twoPlayer;
// Go Back Button
private JButton goBack;
private JButton clickMeOne;
private JButton clickMeTwo;
private JButton clickMeThree;
private JButton clickMeFour;
private JButton clickMeFive;
private JButton clickMeSix;
private JButton clickMeSeven;
// Grid xSize,ySize and 2D Array
private int ysize = 7;
private int xsize = 8;
private JButton[][] slots;
public static void main(String[] args) {
JFrame frame = new JFrame(" Connect Four ");
frame.setSize(500, 500);
frame.getContentPane().add(new connectFourDesign());
frame.setVisible(true);
frame.setResizable(false);
}
public connectFourDesign () {
setBackground(Color.black);
lblWelcome = new JLabel (" Connect 4 ", SwingConstants.CENTER);
lblWelcome.setFont(new Font("Astron Boy Rg", Font.ITALIC, 90));
lblWelcome.setForeground(Color.white);
add(lblWelcome);
lblWelcome.setVisible(true);
playButton = new JButton (" Play ");
playButton.setFont(new Font("Astron Boy Rg", Font.ITALIC, 75));
playButton.setBackground(Color.black);
playButton.setForeground(Color.GREEN);
add(playButton);
playButton.setVisible(true);
playButton.addActionListener(new playButtonListener());
onePlayer = new JButton (" 1 Player ");
onePlayer.setFont(new Font("Astron Boy Rg", Font.ITALIC, 55));
onePlayer.setBackground(Color.black);
onePlayer.setForeground(Color.GREEN);
add(onePlayer);
onePlayer.setVisible(false);
onePlayer.addActionListener(new onePlayerButtonListener());
twoPlayer = new JButton (" 2 Player ");
twoPlayer.setFont(new Font("Astron Boy Rg", Font.ITALIC, 55));
twoPlayer.setBackground(Color.black);
twoPlayer.setForeground(Color.GREEN);
add(twoPlayer);
twoPlayer.setVisible(false);
twoPlayer.addActionListener(new twoPlayerButtonListener());
helpButton = new JButton ( " Help ");
helpButton.setFont(new Font("Astron Boy Rg", Font.ITALIC, 75));
helpButton.setBackground(Color.black);
helpButton.setForeground(Color.magenta);
add(helpButton);
helpButton.setVisible(true);
helpButton.addActionListener(new helpListener());
quitButton = new JButton ( " Quit ");
quitButton.setFont(new Font("Astron Boy Rg", Font.ITALIC, 75));
quitButton.setBackground(Color.black);
quitButton.setForeground(Color.orange);
add(quitButton);
quitButton.setVisible(true);
quitButton.addActionListener(new CloseListener());
goBack = new JButton ( " Go Back ");
goBack.setFont(new Font("Astron Boy Rg", Font.ITALIC, 60));
goBack.setBackground(Color.black);
goBack.setForeground(Color.BLUE);
add(goBack);
goBack.setVisible(false);
goBack.addActionListener(new goBackButtonListener());
clickMeOne = new JButton ();
clickMeOne.setFont(new Font("Astron Boy Rg", Font.ITALIC, 20));
clickMeOne.setBackground(Color.gray);
clickMeOne.setForeground(Color.CYAN);
clickMeOne.setName("clickMeOne");
add(clickMeOne);
clickMeOne.setVisible(false);
clickMeOne.addActionListener(new clikMeOneButtonListener());
clickMeTwo = new JButton ();
clickMeTwo.setFont(new Font("Astron Boy Rg", Font.ITALIC, 20));
clickMeTwo.setBackground(Color.gray);
clickMeTwo.setForeground(Color.CYAN);
clickMeTwo.setName("clickMeTwo");
add(clickMeTwo);
clickMeTwo.setVisible(false);
clickMeTwo.addActionListener(new clikMeOneButtonListener());
clickMeThree = new JButton ();
clickMeThree.setFont(new Font("Astron Boy Rg", Font.ITALIC, 20));
clickMeThree.setBackground(Color.gray);
clickMeThree.setForeground(Color.CYAN);
clickMeThree.setName("clickMeThree");
add(clickMeThree);
clickMeThree.setVisible(false);
clickMeThree.addActionListener(new clikMeOneButtonListener());
clickMeFour = new JButton ();
clickMeFour.setFont(new Font("Astron Boy Rg", Font.ITALIC, 20));
clickMeFour.setBackground(Color.gray);
clickMeFour.setForeground(Color.CYAN);
clickMeFour.setName("clickMeFour");
add(clickMeFour);
clickMeFour.setVisible(false);
clickMeFour.addActionListener(new clikMeOneButtonListener());
clickMeFive = new JButton ();
clickMeFive.setFont(new Font("Astron Boy Rg", Font.ITALIC, 20));
clickMeFive.setBackground(Color.gray);
clickMeFive.setForeground(Color.CYAN);
clickMeFive.setName("clickMeFive");
add(clickMeFive);
clickMeFive.setVisible(false);
clickMeFive.addActionListener(new clikMeOneButtonListener());
clickMeSix = new JButton ();
clickMeSix.setFont(new Font("Astron Boy Rg", Font.ITALIC, 20));
clickMeSix.setBackground(Color.gray);
clickMeSix.setForeground(Color.CYAN);
clickMeSix.setName("clickMeSix");
add(clickMeSix);
clickMeSix.setVisible(false);
clickMeSix.addActionListener(new clikMeOneButtonListener());
clickMeSeven = new JButton ();
clickMeSeven.setFont(new Font("Astron Boy Rg", Font.ITALIC, 20));
clickMeSeven.setBackground(Color.gray);
clickMeSeven.setForeground(Color.CYAN);
clickMeSeven.setName("clickMeSeven");
add(clickMeSeven);
clickMeSeven.setVisible(false);
clickMeSeven.addActionListener(new clikMeOneButtonListener());
clickMeOne.setIcon(new ImageIcon("kdevelop_down.png"));
clickMeTwo.setIcon(new ImageIcon("kdevelop_down.png"));
clickMeThree.setIcon(new ImageIcon("kdevelop_down.png"));
clickMeFour.setIcon(new ImageIcon("kdevelop_down.png"));
clickMeFive.setIcon(new ImageIcon("kdevelop_down.png"));
clickMeSix.setIcon(new ImageIcon("kdevelop_down.png"));
clickMeSeven.setIcon(new ImageIcon("kdevelop_down.png"));
clickMeOne.setBorder(new LineBorder(Color.black));
clickMeTwo.setBorder(new LineBorder(Color.black));
clickMeThree.setBorder(new LineBorder(Color.black));
clickMeFour.setBorder(new LineBorder(Color.black));
clickMeFive.setBorder(new LineBorder(Color.black));
clickMeSix.setBorder(new LineBorder(Color.black));
clickMeSeven.setBorder(new LineBorder(Color.black));
validate();
}
private class onePlayerButtonListener implements ActionListener {
public void actionPerformed(ActionEvent event) {
if (event.getSource() == onePlayer) {
lblWelcome.setVisible(false);
playButton.setVisible(false);
helpButton.setVisible(false);
quitButton.setVisible(false);
twoPlayer.setVisible(false);
onePlayer.setVisible(true);
goBack.setVisible(false);
Thread thread =new Thread() {
public void run() {
onePlayer.setText(" Game Starts In ");
onePlayer.setFont(new Font("Astron Boy Rg", Font.ITALIC, 40));
onePlayer.setBackground(Color.black);
onePlayer.setForeground(Color.BLUE);
try {
Thread.sleep(1000);
}catch (Exception e) {
}
onePlayer.setText("3");
try {
Thread.sleep(1000);
}catch (Exception e) {
}
onePlayer.setText("2");
try {
Thread.sleep(1000);
}catch (Exception e) {
}
onePlayer.setText("1");
try {
Thread.sleep(1000);
}catch (Exception e) {
}
setLayout(new GridLayout(xsize, ysize));
slots = new JButton[xsize - 1][ysize];
for (int column = 0; column < ysize; column++) {
for (int row = 0; row < xsize - 1; row++) {
slots[row][column] = new JButton();
slots[row][column].setHorizontalAlignment(SwingConstants.CENTER);
slots[row][column].setBackground(Color.GREEN);
slots[row][column].setBorder(new LineBorder(Color.black));
add(slots[row][column]);
}
}
lblWelcome.setVisible(false);
remove(lblWelcome);
playButton.setVisible(false);
remove(playButton);
helpButton.setVisible(false);
remove(helpButton);
quitButton.setVisible(false);
remove(quitButton);
goBack.setVisible(false);
remove(goBack);
onePlayer.setVisible(false);
remove(onePlayer);
twoPlayer.setVisible(false);
remove(twoPlayer);
clickMeOne.setVisible(true);
clickMeTwo.setVisible(true);
clickMeThree.setVisible(true);
clickMeFour.setVisible(true);
clickMeFive.setVisible(true);
clickMeSix.setVisible(true);
clickMeSeven.setVisible(true);
}
};
thread.start();
}
}
}
private class twoPlayerButtonListener implements ActionListener {
public void actionPerformed(ActionEvent event) {
if (event.getSource() == twoPlayer) {
lblWelcome.setVisible(false);
playButton.setVisible(false);
helpButton.setVisible(false);
quitButton.setVisible(false);
twoPlayer.setVisible(true);
onePlayer.setVisible(false);
goBack.setVisible(false);
Thread thread =new Thread() {
public void run() {
twoPlayer.setText(" Game Starts In ");
twoPlayer.setFont(new Font("Astron Boy Rg", Font.ITALIC, 40));
twoPlayer.setBackground(Color.black);
twoPlayer.setForeground(Color.blue);
try {
Thread.sleep(1000);
}catch (Exception e) {
}
twoPlayer.setText("3");
try {
Thread.sleep(1000);
}catch (Exception e) {
}
twoPlayer.setText("2");
try {
Thread.sleep(1000);
}catch (Exception e) {
}
twoPlayer.setText("1");
try {
Thread.sleep(1000);
}catch (Exception e) {
}
setLayout(new GridLayout(xsize, ysize));
slots = new JButton[xsize - 1][ysize];
for (int column = 0; column < ysize; column++) {
for (int row = 0; row < xsize - 1; row++) {
slots[row][column] = new JButton();
slots[row][column].setHorizontalAlignment(SwingConstants.CENTER);
slots[row][column].setBackground(Color.GREEN);
slots[row][column].setBorder(new LineBorder(Color.black));
add(slots[row][column]);
}
}
lblWelcome.setVisible(false);
remove(lblWelcome);
playButton.setVisible(false);
remove(playButton);
helpButton.setVisible(false);
remove(helpButton);
quitButton.setVisible(false);
remove(quitButton);
goBack.setVisible(false);
remove(goBack);
onePlayer.setVisible(false);
remove(onePlayer);
twoPlayer.setVisible(false);
remove(twoPlayer);
clickMeOne.setVisible(true);
clickMeTwo.setVisible(true);
clickMeThree.setVisible(true);
clickMeFour.setVisible(true);
clickMeFive.setVisible(true);
clickMeSix.setVisible(true);
clickMeSeven.setVisible(true);
}
};
thread.start();
}
}
}
private class playButtonListener implements ActionListener {
public void actionPerformed(ActionEvent event) {
if (event.getSource() == playButton) {
lblWelcome.setVisible(true);
playButton.setVisible(false);
helpButton.setVisible(false);
quitButton.setVisible(false);
onePlayer.setVisible(true);
twoPlayer.setVisible(true);
goBack.setVisible(true);
}
}
}
private class goBackButtonListener implements ActionListener {
public void actionPerformed(ActionEvent event) {
if (event.getSource() == goBack) {
lblWelcome.setVisible(true);
playButton.setVisible(true);
helpButton.setVisible(true);
quitButton.setVisible(true);
onePlayer.setVisible(false);
twoPlayer.setVisible(false);
goBack.setVisible(false);
}
}
}
private class CloseListener implements ActionListener{
public void actionPerformed(ActionEvent event) {
if (event.getSource() == quitButton) {
int quitTheGame = JOptionPane.showConfirmDialog(null, " Are You Sure You Want to Leave The Game? ", " Quit? "
, JOptionPane.YES_NO_OPTION);
if (quitTheGame == JOptionPane.YES_OPTION) {
System.exit(0);
}
}
}
}
private class helpListener implements ActionListener{
public void actionPerformed(ActionEvent event) {
if (event.getSource() == helpButton) {
JOptionPane.showMessageDialog(null, " 1) Choose who plays first.", " Help ", JOptionPane.INFORMATION_MESSAGE);
}
}
}
private Color playerColor = Color.red;
private class clikMeOneButtonListener implements ActionListener{
public void actionPerformed(ActionEvent event) {
if (event.getSource() == clickMeOne
|| event.getSource() == clickMeTwo
|| event.getSource() == clickMeThree
|| event.getSource() == clickMeFour
|| event.getSource() == clickMeFive
|| event.getSource() == clickMeSix
|| event.getSource() == clickMeSeven
) {
JButton b = (JButton)event.getSource();
int column = 0;
switch ( b.getName() ) {
case "clickMeOne" : column = 0; break;
case "clickMeTwo" : column = 1; break;
case "clickMeThree" : column = 2; break;
case "clickMeFour" : column = 3; break;
case "clickMeFive" : column = 4; break;
case "clickMeSix" : column = 5; break;
case "clickMeSeven" : column = 6; break;
}
int lastEmptyIdx = -1;
for ( int i = 0; i < slots[column].length; i++ ) {
if ( slots[column][i].getBackground() != Color.green ) {
break;
}
else {
lastEmptyIdx = i;
}
}
if ( lastEmptyIdx != -1 ) {
slots[column][lastEmptyIdx].setBackground(playerColor);
if ( IsWin(column, lastEmptyIdx) ) {
String message = playerColor == Color.red ? " Player One Won!" : " Player Two Won!";
JOptionPane.showMessageDialog(null, message, " Results ", JOptionPane.INFORMATION_MESSAGE);
System.exit(0);
} else {
playerColor = playerColor == Color.red ? Color.yellow : Color.red;
}
}
}
}
public boolean IsWin(int column, int row) {
boolean result = false;
// horizontal
boolean found = false;
int counter = 0;
for ( int i = 0; i < slots.length; i++ ) {
if ( slots[i][row].getBackground().equals(playerColor)) {
counter++;
if ( found == true ) {
if ( counter == 4 ) { // win \o/
result = true;
break;
}
}
else {
found = true;
}
}
else {
if ( found == true ) { // reset counter
counter = 0;
}
found = false;
}
}
// vertical
for ( int i = 0; i < slots.length; i++ ) {
if ( slots[column][i].getBackground().equals(playerColor)) {
counter++;
if ( found == true ) {
if ( counter == 4 ) { // win \o/
result = true;
break;
}
}
else {
found = true;
}
}
else {
if ( found == true ) { // reset counter
counter = 0;
}
found = false;
}
}
// diagonal
// TODO
return result;
}
}
}
UPDATE:
for ( int i = 0; i < slots.length; i++ ) {
if ( slots[column][i].getBackground().equals(playerColor)) {
counter++;
column ++;
if (column >= slots.length - 1){
found = false;
break;
}
if ( found == true ) {
if ( counter == 4 ) { // win \o/
result = true;
break;
}
}
else {
found = true;
}
}
else {
if ( found == true ) { // reset counter
counter = 0;
}
found = false;
}
}
