C 게임프로그래밍 6

#include 
#include 
#include 

char bg[25][80];
int playerX = 10;
int playerY = 10;


void PrintfScreen(void);
void ClearScreen(void);
void GameMain(void);

void main(void)
{
	for(;;)
	{
		ClearScreen();
		GameMain();
		PrintfScreen();
	}
}

void PrintfScreen(void)
{
	bg[24][79] = 0;
	printf("%s",bg);
}

void ClearScreen(void)
{
	system("cls");
	
	for(int y= 0; y<25;y++)
	{
		for(int x=0; x< 80;x++)
		{
			bg[y][x] = ' ';
		}
	}
	
}

void GameMain(void)
{
	char pressKey=0;
	

	if(kbhit())
	{
		pressKey = getch();
		switch(pressKey)
		{
		case 72:
			playerY--;
			if(playerY < 1 )
				playerY = 1;
			break;
		case 75:
			playerX--;
			if(playerX < 0)
				playerX = 0;
			break;
		case 77:
			playerX++;
			if(playerX > 75)
			     playerX = 75;
			break;
		case 80:
			playerY++;
			if(playerY > 23)
				playerY = 23;
			break;


		}
	}

	bg[playerY - 1][playerX + 0] = '-';
	bg[playerY - 1][playerX + 1] = '>';
	bg[playerY + 0][playerX + 1] = '>';
	bg[playerY + 0][playerX + 2] = '>';
	bg[playerY + 0][playerX + 3] = '>';
	bg[playerY + 1][playerX + 0] = '-';
	bg[playerY + 1][playerX + 1] = '>';
}