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Hello, I am new to C programming and I am trying to draw a grid for a game of checkers. Each square in the grid will contain a member of a two-dimensional array.
Every attempt at displaying a nice-looking grid has failed miserably. I am sure there are some members here who have done similar things and I was wondering if there are any tips or tricks for making a nice looking grid in the output.
I've found, on my display, that setting a width of two, like indicated in red above, seems to correspond pretty well to a newline in terms of neat spacing. Is this what you're looking for?Code:for (j = 0; j < NUM_ROWS; j++)
{
for (k = 0; k < NUM_COLS; k++)
{
printf("%2c", grid[j][k]);
}
printf("\n");
}
How are you drawing the grid? On what platform? Generally, a grid is simply lines going horizontally and vertically to form a nice set of squares. If the grid is square (like for checkers), you can do this by drawing lines both horizontally and vertically at the same time. Something like this:
--Code:const int cellsize = 20; // 20 pixels wide/high cells.
void grid(int gridsize)
{
int i;
for(i = 0; i < size; i++)
{
DrawLine(0, i * cellsize, size * cellsize, i * cellsize);
DrawLine(i * cellsize, 0, i * cellsize, size * cellsize);
}
}
Mats
Thanks for the help. Is DrawLine a built in function? What do the parameters mean?
DrawLine would be some graphics function that you probably have to write yourself - the parameters are X and Y coordinates for the start and end points of a line. Of course, this assumes you are in a graphical environment.Quote:
Originally Posted by countchocula
For example, in Windows, you'd use MoveTo(x1, y1); LineTo(x2, y2);
--
Mats
This works great for simply displaying the contents of the array in a square, however I would like to be able to do this with the gridlines around each unit.Quote:
Originally Posted by JDGATX
Unfortunately I am just trying to make a console app. I don't have any experience with graphics. (Maybe this is what is causing my frustrations!)Quote:
Originally Posted by matsp
I think I know what you mean, but I dont think you could do it as you want it. You could use "|" to seperate the cols and "--" to seperate the rows but the rows would be abit far from each other.Quote:
This works great for simply displaying the contents of the array in a square, however I would like to be able to do this with the gridlines around each unit.
What I did when I needed to draw a board (for a game like checkers) is used "[" and "]".
That way modify the code JDGATX gave to you to be:
Code:for (j = 0; j < NUM_ROWS; j++)
{
for (k = 0; k < NUM_COLS; k++)
printf("[%c]", grid[j][k]);
printf("\n");
}
return (0);
Thanks, that is what I was trying to do before but I kept getting ugly outputs. :)Quote:
Originally Posted by +Azazel+
I think I will simply use brackets. Thanks for the help guys.
Heres some code I wrote for drawing a chessboard a while back. It uses non-standard ASCII characters though so may not display correctly on all machines:
Code:void DrawBoard()
{
for(int y=0; y<18; y++)
for(int x=0; x<26; x++)
if(y==0)
if(x==25) printf(" \n");
else if(x%3==2) putchar(65+(x/3));
else putchar(' ');
else if (y==1)
if(x==0) putchar(' ');
else if(x==1) putchar(218);
else if(x==25) printf("%c\n", 191);
else if(x%3==1) putchar(194);
else putchar(196);
else if(y==17)
if(x==0) putchar(' ');
else if(x==1) putchar(192);
else if(x==25) printf("%c\n", 217);
else if(x%3==1) putchar(193);
else putchar(196);
else if(y%2==1)
if(x==0) putchar(' ');
else if(x==1) putchar(195);
else if(x==25) printf("%c\n", 180);
else if(x%3==1) putchar(197);
else putchar(196);
else
if (x==0) putchar(48+(y/2));
else if(x==25) printf("%c\n", 179);
else if(x%3==1) putchar(179);
else if(x%3==2) printf(" ");;// <- Cell content goes here
}
When I made my first game, it was tic-tac-toe. I did a really ugly way of doing it which was something like this:
Sometimes it's neat going to code you wrote when you were first starting out ^_^Code:void drawGrid()
{
cout << grid[0][0] << "|" << grid[0][1] << "|" << grid[0][3] << endl;
cout << "_____" << endl;
cout << grid[1][0] << "|" << grid[1][1] << "|" << grid[1][3] << endl;
...
}
That looks like the kind of thing that would give a nice result, but it has a disturbing lack of open and close braces.Quote:
Originally Posted by mike_g
Yeah, I guess that would be one of my bad habits. At least I wasent fitting several lines of code into one using the comma operator to avoid braces. Something I have done occasionally in the past.