bounced1d.c

// set_ticker.c 파일과 함께 컴파일 해야 합니다.

// gcc bounced1d.c set_ticker.c -o -lcurses bounce1d

#include <stdio.h>

#include <curses.h>

#include <signal.h>

#define MESSAGE "hello"

#define BLANK " "

int row;

int col;

int dir;

int main()

{

int delay;

int ndelay;

int c;

void move_msg(int);

initscr();

crmode();

noecho();

clear();

row = 10;

col = 0;

dir = 1;

delay = 200;

move(row,col);

addstr(MESSAGE);

signal(SIGALRM, move_msg);

set_ticker(delay);

while(1)

{

ndelay = 0;

c = getch();

if(c=='Q') break;

if(c==' ') dir = -dir;

if(c=='f' && delay > 2) ndelay = delay/2;

if(c=='s') ndelay = delay *2;

if(ndelay >0)

set_ticker(delay = ndelay);

}

endwin();

return 0;

}

void move_msg(int signum)

{

signal(SIGALRM, move_msg);

move(row, col);

addstr(BLANK);

col += dir;

move(row,col);

addstr(MESSAGE);

refresh();

if(dir == -1 && col <= 0)

dir = 1;

else if (dir ==1 && col +strlen(MESSAGE) >= COLS)

dir = -1;

}