#include "pch.h"
#include <iostream>
#include <conio.h>
#include <windows.h> //look about alternative for this library
int headpos_x=0, headpos_y=0;
int lastChar = 119;
int direction = 1;
int gamespeed = 500;

void checkDir()
{
	int key;
	key = _getch();
	if ((key == 72) || (key == 75) || (key == 77) || (key == 80) || (key == 119) || (key == 97) || (key == 115) || (key == 100))
	{
		lastChar = key;
	}
}

void changeDir()
{
	switch (lastChar)
	{
		case 119: if (direction != 2) direction = 1; break; //w
		case 72:  if (direction != 2) direction = 1; break; //upar
		case 115: if (direction != 1) direction = 2; break; //s
		case 80:  if (direction != 1) direction = 2; break; //dnar
		case 100: if (direction != 4) direction = 3; break; //d
		case 77:  if (direction != 4) direction = 3; break; //rar
		case 97:  if (direction != 3) direction = 4; break; //a
		case 75:  if (direction != 3) direction = 4; break; //lftar
	}
}

void movePos()
{
	switch (direction)
	{
		case 1: ++headpos_y; break;
		case 2: --headpos_y; break;
		case 3: ++headpos_x; break;
		case 4: --headpos_x; break;
	}
}
int main()
{
	while (true)
	{
		checkDir();
		changeDir();
		while(true)
		{
			if (_kbhit()==true) break;
			movePos();
			Sleep(gamespeed);
			std::cout << "x " << headpos_x << " y " << headpos_y << "\n";
		}
	}
	return 0;
}