How can I make it so that this code generates the board without any of the console "flashing" occuring?
I had to remove a room so that I could fit it in the content limit, so just don't try to enter room 5. w, a, s, d to navigate the board.
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I would change printfunc() as follows:
By writing '\n' at line 15 you avoid flushing the buffer after each line.
BTW, std::string seems like overkill for your room array since your grid really consists of single characters.
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By writing '\n' at line 15 you avoid flushing the buffer after each line.
BTW, std::string seems like overkill for your room array since your grid really consists of single characters.
Last edited on
I changed line 15 and added the cout.flush(); to 17 but it doesn't seem to have made a difference, there's still a visible split second where the old board is getting pushed upward while the new one generates, the the console flash is still visible. Any way around this?
That's probably the best you're going to get using standard C++ i/O.
My only other suggestion would be to replace line 9 with the following system dependent call:
My only other suggestion would be to replace line 9 with the following system dependent call:
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The only way to avoid console flash is to use nonstandard toys like gotoxy() to move the cursor around and over-write what was there. It won't flash, but you have to be sure to write spaces where you need to clear values, and you will see the update in place happen. You basically need to know the console position of each character on the screen, and jump to the ones you need to change. Its a big pain to do this.
Thank you jonnin.
Using
Use gotoxy() to reposition the cursor at the beginning of your game board, and redraw it —all of it, including spaces.
The very first post in my (Game of Life: Gosper Glider Gun|http://www.cplusplus.com/forum/lounge/75168/) thread is simply code to control the terminal in both Windows and Unix/Linux. Feel free to cut and paste.
In the game proper (next post), notice how the only time I call ClearScreen() is exactly once, at the very beginning of the program.
After that, I use GotoXY() to reposition the cursor for drawing the game board. No flashing!
Finally, be aware that it is entirely possible that your professor will not be using a terminal that this will work on. (It is unlikely, but possible.)
Make sure to check to see if terminal control is possible (like I do on line 107). If it is possible, use the GoHome() function to reposition the cursor at the top-left of the screen. If it is not, print a whole bunch of newlines like you are doing now. That way your program functions no matter what.
Hope this helps.
:O)
Using
system("cls") (or any other code to clear the screen) is almost guaranteed to cause flashing.Use gotoxy() to reposition the cursor at the beginning of your game board, and redraw it —all of it, including spaces.
The very first post in my (Game of Life: Gosper Glider Gun|http://www.cplusplus.com/forum/lounge/75168/) thread is simply code to control the terminal in both Windows and Unix/Linux. Feel free to cut and paste.
In the game proper (next post), notice how the only time I call ClearScreen() is exactly once, at the very beginning of the program.
After that, I use GotoXY() to reposition the cursor for drawing the game board. No flashing!
Finally, be aware that it is entirely possible that your professor will not be using a terminal that this will work on. (It is unlikely, but possible.)
Make sure to check to see if terminal control is possible (like I do on line 107). If it is possible, use the GoHome() function to reposition the cursor at the top-left of the screen. If it is not, print a whole bunch of newlines like you are doing now. That way your program functions no matter what.
Hope this helps.
:O)
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