/**************************************************************************** * apps/examples/pdcurses/firework_main.c * $Id: firework.c,v 1.25 2008/07/13 16:08:17 wmcbrine Exp $ * * Copyright (C) 2017 Gregory Nutt. All rights reserved. * Adapted by: Gregory Nutt * * Adapted from the original public domain pdcurses by Gregory Nutt and * released as part of NuttX under the 3-clause BSD license: * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name NuttX nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include #include "graphics/curses.h" /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ #define DELAYSIZE 200 /**************************************************************************** * Private Function Prototypes ****************************************************************************/ static void myrefresh(void); static void get_color(void); static void explode(int, int); /**************************************************************************** * Private Data ****************************************************************************/ static short color_table[] = { COLOR_RED, COLOR_BLUE, COLOR_GREEN, COLOR_CYAN, COLOR_RED, COLOR_MAGENTA, COLOR_YELLOW, COLOR_WHITE }; /**************************************************************************** * Private Functions ****************************************************************************/ static void myrefresh(void) { #ifdef CONFIG_PDCURSES_MULTITHREAD FAR struct pdc_context_s *ctx = PDC_ctx(); #endif napms(DELAYSIZE); move(LINES - 1, COLS - 1); refresh(); } static void get_color(void) { chtype bold = (rand() % 2) ? A_BOLD : A_NORMAL; attrset(COLOR_PAIR(rand() % 8) | bold); } static 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(); } /**************************************************************************** * Public Functions ****************************************************************************/ int main(int argc, FAR char *argv[]) { int start; int end; int row; int diff; int flag; int direction; int seed; int i; #ifdef CONFIG_PDCURSES_MULTITHREAD FAR struct pdc_context_s *ctx = PDC_ctx(); #endif traceon(); initscr(); 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; }