help with 3D tic-tac-toe diagonal checking

This is a discussion on help with 3D tic-tac-toe diagonal checking within the C++ Programming forums, part of the General Programming Boards category; i need some help with figuring out how to check diagonals in my 3D Tic-Tac-Toe board. i have the horizontal, ...

  1. #1
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    Mar 2006
    Posts
    44

    help with 3D tic-tac-toe diagonal checking

    i need some help with figuring out how to check diagonals in my 3D Tic-Tac-Toe board. i have the horizontal, vertical and depth done fine but i cant figure out how to get diagonals. i only put in the check part since the full code is really long. the problem is that im making it to that you choose what cubic dimensions you want and i dont know how to go through the board and only check diagonal. i can put more code up if you need it too.

    Code:
    template <class TYPE>
    class Grid : public Darray<TYPE> {
    private:
    	int currentRow,
    		currentDepth,
    		currentCol;
    public:
    	Grid();
    	Grid(TYPE depth, TYPE row, TYPE col);
    	void arrow_keys(Player *player);
    	bool win();
    	void clear_screen(void);
    	void draw ();
    	void draw (TYPE d);
    	void topBorder();
    	void bottomBorder();
    	bool winHorizontal(Player* player);
    	bool winVertical(Player* player);
    	bool winDiagonal(Player* player);
    	bool winCubic(Player* player);
    };
    
    template <class TYPE>
    bool Grid<TYPE>::winHorizontal(Player* player)
    {
    	int count;
    	for(int d = 0; d <DEPTH; d++){
    		for(int r = 0; r<ROW; r++){
    			for(int c = 0; c< COL; c++)
    			{
    				if(*player == *array[d][r][c].getPlayer())
    					count++;
    			}
    			if(count == COL)
    				return true;
    			count = 0;	
    		}
    	}	
    		cout << "Player " << symbol << " Wins!!" << endl;
    		return false;
    }
    template <class TYPE>
    bool Grid<TYPE>::winVertical(Player* player)
    {
    	int count;
    	for(int d = 0; d <DEPTH; d++){
    		for(int r = 0; r<ROW; r++)
    		{
    			if(*player == *array[d][r][c].getPlayer())
    				count++;
    		}
    		if(count == ROW)
    			return true;
    		count = 0;
    	}
    	cout << "Player " << symbol << " Wins!!" << endl;
    	return false;
    }
    template <class TYPE>
    bool Grid<TYPE>::winDiagonal(Player* player)
    {
    	int count;
    	for(int d = 0; d <DEPTH; d++){
    		for(int r = 0; r<ROW; r++){
    			for(int c = 0; c< COL; c++)
    			{
    				if(*player == *array[d][r][c].getPlayer() || *player == *array[d][r][c].getPlayer() )
    					count++;
    			}
    			if()
    				return true;
    
    		}
    	}
    	cout << "Player " << symbol << " Wins!!" << endl;
    	return false;
    }
    template <class TYPE>
    bool Grid<TYPE>::winCubic(Player* player)
    {
    	int count;
    	for(int d = 0; d < DEPTH; d++)
    	{
    		if(*player == *array[d][r][c].getPlayer())
    			count++;
    	}
    	if(count == DEPTH)
    		return true;
    	count  = 0;
    
    	cout << "Player " << symbol << " Wins!!" << endl;
    	return false;
    }
    template <class TYPE>
    bool Grid<TYPE>::win()
    {
    	if(winHorizontal())
    		return true;
    	if(winVertical())
    		return true;
    	if(winDiagonal())
    		return true;
    	if(winCubic())
    		return true;
    	else
    		return false;
    }

  2. #2
    Registered User
    Join Date
    Mar 2006
    Posts
    725
    Well, without looking at your code yet (hint: too long methinks!), I'd suggest something along the lines the following:

    Code:
    Dimensions x,y,z
    Foreach(x)
        test diagonal in plane x
    Foreach(y)
        test diagonal in plane y
    Foreach(z)
        test diagonal in plane z
    ie. you could extract each plane from each dimension (3 * n times where n is cube length) and test for winDiagonal() on each of them.

  3. #3
    Super Moderator VirtualAce's Avatar
    Join Date
    Aug 2001
    Posts
    9,590
    Why is your board a template? What could you possible store in a tic tac toe board other than integers and why?

    You've got a mess there.

    Suggestion:

    1. Make a board class that encapsulate everything possible a board should/can do.
    2. Make another class to encapsulate the layers of boards. Use a std vector or list to maintain the boards or if you know how many boards, create an array of class Board.
    3. Dump the nested loop. It's hideous.

  4. #4
    Registered User
    Join Date
    Mar 2006
    Posts
    44
    its a template cause thats what the assignment is suppose to have. right now im just trying to get it working then i worry about making the code look perty.

    jafet could u elaborate a little more i dont quite understand what u mean by multiply by 3*n how would that work?

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