Connect4/checkForWin.m at main · aCodingTurtle/Connect4 · GitHub

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
function [gameOver] = checkForWin(currentBoard, chip1, chip2)
%checkForWin checks the board to see if the game has been won
% currentBoard: The current board variable (with sprite numbers)
% chip1: Sprite number for player 1's chip
% chip2: Sprite number for player 2's chip
% gameOver: True if the game is over, False if no connect-4s are detected

gameOver = false;

% Horizontal Check -
for Row = 2:7
    for Column = 1:4
        if chip1 == currentBoard(Row, Column) && ...
                chip1 == currentBoard(Row, Column+1) && ...
                chip1 == currentBoard(Row, Column+2) && ...
                chip1 == currentBoard(Row, Column+3) || ...
                chip2 == currentBoard(Row, Column) && ...
                chip2 == currentBoard(Row, Column+1) && ...
                chip2 == currentBoard(Row, Column+2) && ...
                chip2 == currentBoard(Row, Column+3)
            gameOver = true;
            return
        end
    end
end


% Vertical Check |
for Row = 2:4
    for Column = 1:7
        if chip1 == currentBoard(Row, Column) && ...
             chip1 == currentBoard(Row+1, Column) && ...
             chip1 == currentBoard(Row+2, Column) && ...
             chip1 == currentBoard(Row+3, Column) || ...
             chip2 == currentBoard(Row, Column) && ...
             chip2 == currentBoard(Row+1, Column) && ...
             chip2 == currentBoard(Row+2, Column) && ...
             chip2 == currentBoard(Row+3, Column)  ...

            gameOver = true;
            return
        end
    end
end

% Diagonal Check /
for Row = 7:-1:4
    for Column = 1:4
        if chip1 == currentBoard(Row, Column) && ...
             chip1 == currentBoard(Row-1, Column+1) && ...
             chip1 == currentBoard(Row-2, Column+2) && ...
             chip1 == currentBoard(Row-3, Column+3) || ...
             chip2 == currentBoard(Row, Column) && ...
             chip2 == currentBoard(Row-1, Column+1) && ...
             chip2 == currentBoard(Row-2, Column+2) && ...
             chip2 == currentBoard(Row-3, Column+3)  ...

            gameOver = true;
            return
        end
    end
end

% Diagonal Check \
for Row = 2:4
    for Column = 1:4
        if chip1 == currentBoard(Row, Column) && ...
             chip1 == currentBoard(Row+1, Column+1) && ...
             chip1 == currentBoard(Row+2, Column+2) && ...
             chip1 == currentBoard(Row+3, Column+3) || ...
             chip2 == currentBoard(Row, Column) && ...
             chip2 == currentBoard(Row+1, Column+1) && ...
             chip2 == currentBoard(Row+2, Column+2) && ...
             chip2 == currentBoard(Row+3, Column+3)  ...

            gameOver = true;
            return
        end
    end
end

end