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/* $Id: firework.c,v 1.25 2008/07/13 16:08:17 wmcbrine Exp $ */
#include <stdio.h>
#include <signal.h>
#include <curses.h>
#include <ctype.h>
#include <stdlib.h>
#include <sys/types.h>
#include <time.h>
#define DELAYSIZE 200
void myrefresh(void);
void get_color(void);
void explode(int, int);
short color_table[] =
{
COLOR_RED, COLOR_BLUE, COLOR_GREEN, COLOR_CYAN,
COLOR_RED, COLOR_MAGENTA, COLOR_YELLOW, COLOR_WHITE
};
int main(int argc, char **argv)
{
int i, start, end, row, diff, flag, direction, seed;
#ifdef XCURSES
Xinitscr(argc, argv);
#else
initscr();
#endif
nodelay(stdscr, TRUE);
noecho();
if (has_colors())
start_color();
for (i = 0; i < 8; i++)
init_pair(i, color_table[i], COLOR_BLACK);
seed = time((time_t *)0);
srand(seed);
flag = 0;
while (getch() == ERR) /* loop until a key is hit */
{
do {
start = rand() % (COLS - 3);
end = rand() % (COLS - 3);
start = (start < 2) ? 2 : start;
end = (end < 2) ? 2 : end;
direction = (start > end) ? -1 : 1;
diff = abs(start - end);
} while (diff < 2 || diff >= LINES - 2);
attrset(A_NORMAL);
for (row = 0; row < diff; row++)
{
mvaddstr(LINES - row, row * direction + start,
(direction < 0) ? "\\" : "/");
if (flag++)
{
myrefresh();
erase();
flag = 0;
}
}
if (flag++)
{
myrefresh();
flag = 0;
}
explode(LINES - row, diff * direction + start);
erase();
myrefresh();
}
endwin();
return 0;
}
void explode(int row, int col)
{
erase();
mvaddstr(row, col, "-");
myrefresh();
--col;
get_color();
mvaddstr(row - 1, col, " - ");
mvaddstr(row, col, "-+-");
mvaddstr(row + 1, col, " - ");
myrefresh();
--col;
get_color();
mvaddstr(row - 2, col, " --- ");
mvaddstr(row - 1, col, "-+++-");
mvaddstr(row, col, "-+#+-");
mvaddstr(row + 1, col, "-+++-");
mvaddstr(row + 2, col, " --- ");
myrefresh();
get_color();
mvaddstr(row - 2, col, " +++ ");
mvaddstr(row - 1, col, "++#++");
mvaddstr(row, col, "+# #+");
mvaddstr(row + 1, col, "++#++");
mvaddstr(row + 2, col, " +++ ");
myrefresh();
get_color();
mvaddstr(row - 2, col, " # ");
mvaddstr(row - 1, col, "## ##");
mvaddstr(row, col, "# #");
mvaddstr(row + 1, col, "## ##");
mvaddstr(row + 2, col, " # ");
myrefresh();
get_color();
mvaddstr(row - 2, col, " # # ");
mvaddstr(row - 1, col, "# #");
mvaddstr(row, col, " ");
mvaddstr(row + 1, col, "# #");
mvaddstr(row + 2, col, " # # ");
myrefresh();
}
void myrefresh(void)
{
napms(DELAYSIZE);
move(LINES - 1, COLS - 1);
refresh();
}
void get_color(void)
{
chtype bold = (rand() % 2) ? A_BOLD : A_NORMAL;
attrset(COLOR_PAIR(rand() % 8) | bold);
}
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