Author Topic: Fun Little C++ Pointless Program  (Read 4377 times)

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Offline meishe91

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Re: Fun Little C++ Pointless Program
« Reply #15 on: September 16, 2011, 11:57:20 pm »
The original code was using W, A, S, and D but you had to press Enter each time. Then Netham showed me that thread and that's how I learned to do it, there wasn't anything about recognizing them by letter. If you have something to offer please do.
« Last Edit: September 16, 2011, 11:57:35 pm by meishe91 »
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Offline Netham45

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Re: Fun Little C++ Pointless Program
« Reply #16 on: September 17, 2011, 02:40:45 am »
Just check if it's equal to '<char>'.
'w' = 119d, 'a' = 97d 'd'=100d, 's'=115d.
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Offline z80man

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Re: Fun Little C++ Pointless Program
« Reply #17 on: September 17, 2011, 02:55:52 am »
With a few modifications your first version will compile under Linux but the second version will not because it relies on conio.h which was originally designed for MS DOS. btw try to avoid to avoid system() calls as they are very platform specific. For some of functionality you need though higher level libraries are needed which will require you to leave the console. Part of the problem is just that consoles don't work very well for graphical apps.

List of stuff I need to do before September:
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Offline Munchor

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Re: Fun Little C++ Pointless Program
« Reply #18 on: September 17, 2011, 08:41:50 am »
With a few modifications your first version will compile under Linux but the second version will not because it relies on conio.h which was originally designed for MS DOS. btw try to avoid to avoid system() calls as they are very platform specific. For some of functionality you need though higher level libraries are needed which will require you to leave the console. Part of the problem is just that consoles don't work very well for graphical apps.

system(); calls the command line, in whichever system we are. Different systems have different terminal languages (bash, batch, etc).

I never use them unless if my program is supposed to be platform-specific. And what you said about conio.h is also true ;)

Offline meishe91

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Re: Fun Little C++ Pointless Program
« Reply #19 on: September 17, 2011, 10:41:09 am »
I know that system() is relatively Windows specific but for the purposes of my class that is what we are supposed to use for the most part to get the program from just starting, running, and finishing.

Edit:
Code: [Select]
#include <iostream>
#include <iomanip>
#include <conio.h>
using namespace std;
void move(int direction,int &x,int &y)
{
if(direction=='w')
{
y-=(y!=1);
}
else if(direction=='s')
{
y+=(y!=11);
}
else if(direction=='a')
{
x-=(x!=1);
}
else if(direction=='d')
{
x+=(x!=11);
}
else {;}
return;
}
void display(int x,int y)
{
cout<<"*************\n";
for(int i=0;i<11;i++)
{
if(i+1==y)
{
cout<<"*"<<setw(x)<<"X"<<setw(13-x)<<"*\n";
}
else
{
cout<<"*           *\n";
}
}
cout<<"*************\n";
}

int main()
{
int x=6;
int y=6;
int direction=27;
do
{
move(direction,x,y);
display(x,y);
direction=getch();
system("cls");
}while(direction!='q');
system("pause");
return 0;
}
« Last Edit: September 17, 2011, 10:44:15 am by meishe91 »
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For the 51st time, that is not my card! (Magic Joke)