1 /// ************************************************************************** 2 /// Copyright (c) 2002 Free Software Foundation, Inc. * 3 /// * 4 /// Permission is hereby granted, free of charge, to any person obtaining a * 5 /// copy of this software and associated documentation files (the * 6 /// "Software"), to deal in the Software without restriction, including * 7 /// without limitation the rights to use, copy, modify, merge, publish, * 8 /// distribute, distribute with modifications, sublicense, and/or sell * 9 /// copies of the Software, and to permit persons to whom the Software is * 10 /// furnished to do so, subject to the following conditions: * 11 /// * 12 /// The above copyright notice and this permission notice shall be included * 13 /// in all copies or substantial portions of the Software. * 14 /// * 15 /// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 16 /// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 17 /// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 18 /// IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 19 /// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 20 /// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 21 /// THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 22 /// * 23 /// Except as contained in this notice, the name(s) of the above copyright * 24 /// holders shall not be used in advertising or otherwise to promote the * 25 /// sale, use or other dealings in this Software without prior written * 26 /// authorization. * 27 /// ************************************************************************* 28 29 extern crate pancurses; 30 extern crate rand; 31 32 use pancurses::*; 33 use rand::Rng; 34 35 fn next_j<T: Rng>(mut j: usize, rng: &mut T, window: &Window) -> usize { 36 if j == 0 { 37 j = 4; 38 } else { 39 j -= 1; 40 } 41 42 if has_colors() { 43 let z = rng.gen::<chtype>() % 3; 44 let mut color = COLOR_PAIR(z); 45 46 if z != 0 { 47 color |= A_BOLD; 48 } 49 50 window.attrset(color); 51 } 52 53 j 54 } 55 56 fn main() { 57 let window = initscr(); 58 59 let mut rng = rand::thread_rng(); 60 61 if has_colors() { 62 let mut bg = COLOR_BLACK; 63 64 start_color(); 65 if use_default_colors() == OK { 66 bg = -1; 67 } 68 69 init_pair(1, COLOR_BLUE, bg); 70 init_pair(2, COLOR_CYAN, bg); 71 } 72 73 nl(); 74 noecho(); 75 curs_set(0); 76 window.timeout(0); 77 window.keypad(true); 78 79 let mut r = window.get_max_y() - 4; 80 let mut c = window.get_max_x() - 4; 81 82 let mut xpos = [0; 5]; 83 let mut ypos = [0; 5]; 84 85 for j in (0..5).rev() { 86 xpos[j] = rng.gen::<i32>() % c + 2; 87 ypos[j] = rng.gen::<i32>() % r + 2; 88 } 89 90 let mut j = 0; 91 92 loop { 93 let x = rng.gen::<i32>() % c + 2; 94 let y = rng.gen::<i32>() % r + 2; 95 96 window.mvaddch(y, x, '.'); 97 98 window.mvaddch(ypos[j], xpos[j], 'o'); 99 100 j = next_j(j, &mut rng, &window); 101 window.mvaddch(ypos[j], xpos[j], 'O'); 102 103 j = next_j(j, &mut rng, &window); 104 window.mvaddch(ypos[j] - 1, xpos[j], '-'); 105 window.mvaddstr(ypos[j], xpos[j] - 1, "|.|"); 106 window.mvaddch(ypos[j] + 1, xpos[j], '-'); 107 108 j = next_j(j, &mut rng, &window); 109 window.mvaddch(ypos[j] - 2, xpos[j], '-'); 110 window.mvaddstr(ypos[j] - 1, xpos[j] - 1, "/ \\"); 111 window.mvaddstr(ypos[j], xpos[j] - 2, "| O |"); 112 window.mvaddstr(ypos[j] + 1, xpos[j] - 1, "\\ /"); 113 window.mvaddch(ypos[j] + 2, xpos[j], '-'); 114 115 j = next_j(j, &mut rng, &window); 116 window.mvaddch(ypos[j] - 2, xpos[j], ' '); 117 window.mvaddstr(ypos[j] - 1, xpos[j] - 1, " "); 118 window.mvaddstr(ypos[j], xpos[j] - 2, " "); 119 window.mvaddstr(ypos[j] + 1, xpos[j] - 1, " "); 120 window.mvaddch(ypos[j] + 2, xpos[j], ' '); 121 122 xpos[j] = x; 123 ypos[j] = y; 124 125 match window.getch() { 126 Some(Input::Character(q)) if q == 'q' || q == 'Q' => { 127 curs_set(1); 128 endwin(); 129 return; 130 } 131 Some(Input::Character('s')) => { 132 window.nodelay(false); 133 } 134 Some(Input::Character(' ')) => { 135 window.nodelay(true); 136 } 137 Some(Input::KeyResize) => { 138 resize_term(0, 0); 139 window.erase(); 140 r = window.get_max_y() - 4; 141 c = window.get_max_x() - 4; 142 } 143 _ => {} 144 } 145 napms(50); 146 } 147 } 148