-
Notifications
You must be signed in to change notification settings - Fork 0
/
ConnectFourGame
127 lines (108 loc) · 4.11 KB
/
ConnectFourGame
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
import java.util.Scanner;
public class ConnectFourGame {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.println("Welcome to Connect Four!");
int rows = 6;
int cols = 7;
char[][] board = initializeBoard(rows, cols);
char currentPlayer = 'X';
boolean gameWon = false;
while (!gameWon) {
printBoard(board);
System.out.println("Player " + currentPlayer + "'s turn");
System.out.print("Enter column (1-" + cols + "): ");
int column = scanner.nextInt() - 1;
if (isValidMove(board, column)) {
dropDisc(board, column, currentPlayer);
gameWon = checkWin(board, currentPlayer);
currentPlayer = (currentPlayer == 'X') ? 'O' : 'X';
} else {
System.out.println("Invalid move. Column is full. Try again.");
}
}
printBoard(board);
System.out.println("Player " + currentPlayer + " wins!");
scanner.close();
}
private static char[][] initializeBoard(int rows, int cols) {
char[][] board = new char[rows][cols];
for (int i = 0; i < rows; i++) {
for (int j = 0; j < cols; j++) {
board[i][j] = ' ';
}
}
return board;
}
private static void printBoard(char[][] board) {
System.out.println("Connect Four Board:");
for (int i = 0; i < board.length; i++) {
for (int j = 0; j < board[0].length; j++) {
System.out.print("| " + board[i][j] + " ");
}
System.out.println("|");
}
for (int i = 0; i < board[0].length * 4 + 1; i++) {
System.out.print("-");
}
System.out.println();
}
private static boolean isValidMove(char[][] board, int column) {
return column >= 0 && column < board[0].length && board[0][column] == ' ';
}
private static void dropDisc(char[][] board, int column, char currentPlayer) {
for (int i = board.length - 1; i >= 0; i--) {
if (board[i][column] == ' ') {
board[i][column] = currentPlayer;
break;
}
}
}
private static boolean checkWin(char[][] board, char currentPlayer) {
// Check horizontally
for (int i = 0; i < board.length; i++) {
for (int j = 0; j <= board[0].length - 4; j++) {
if (board[i][j] == currentPlayer &&
board[i][j + 1] == currentPlayer &&
board[i][j + 2] == currentPlayer &&
board[i][j + 3] == currentPlayer) {
return true;
}
}
}
// Check vertically
for (int i = 0; i <= board.length - 4; i++) {
for (int j = 0; j < board[0].length; j++) {
if (board[i][j] == currentPlayer &&
board[i + 1][j] == currentPlayer &&
board[i + 2][j] == currentPlayer &&
board[i + 3][j] == currentPlayer) {
return true;
}
}
}
// Check diagonally (positive slope)
for (int i = 0; i <= board.length - 4; i++) {
for (int j = 0; j <= board[0].length - 4; j++) {
if (board[i][j] == currentPlayer &&
board[i + 1][j + 1] == currentPlayer &&
board[i + 2][j + 2] == currentPlayer &&
board[i + 3][j + 3] == currentPlayer) {
return true;
}
}
}
// Check diagonally (negative slope)
for (int i = 0; i <= board.length - 4; i++) {
for (int j = 3; j < board[0].length; j++) {
if (board[i][j] == currentPlayer &&
board[i + 1][j - 1] == currentPlayer &&
board[i + 2][j - 2] == currentPlayer &&
board[i + 3][j - 3] == currentPlayer) {
return true;
}
}
}
return false;
}
}