hackthelobby/libcaca/caca-php/examples/polyline.php

58 lines
1.5 KiB
PHP
Executable File

#!/usr/bin/php5
<?php
/*
* polyline.php sample program for libcaca php binding
* Copyright (c) 2008 Nicolas Vion <nico@yojik.eu>
*
* This program is free software. It comes without any warranty, to
* the extent permitted by applicable law. You can redistribute it
* and/or modify it under the terms of the Do What the Fuck You Want
* to Public License, Version 2, as published by Sam Hocevar. See
* http://www.wtfpl.net/ for more details.
*/
function transform($tbl, $tx, $ty, $sx, $sy) {
$result = array();
foreach($tbl as $pt)
$result[] = array($pt[0] * $sx + $tx, $pt[1] * $sy + $ty);
return $result;
}
if (php_sapi_name() != "cli") {
die("You have to run this program with php-cli!\n");
}
$canvas = caca_create_canvas(0, 0);
$display = caca_create_display($canvas);
if (!$display) {
die("Error while attaching canvas to display\n");
}
$tbl = array(
array(5, 2),
array(15, 2),
array(20, 4),
array(25, 2),
array(34, 2),
array(37, 4),
array(36, 9),
array(20, 16),
array(3, 9),
array(2, 4),
array(5, 2)
);
for ($i = 0; $i < 10; $i++) {
caca_set_color_ansi($canvas, 1 + (($color += 4) % 15), CACA_TRANSPARENT);
$scale = caca_rand(4, 10) / 10;
$translate = array(caca_rand(-5, 55), caca_rand(-2, 25));
$pts = transform($tbl, $translate[0], $translate[1], $scale, $scale);
caca_draw_thin_polyline($canvas, $pts);
}
caca_put_str($canvas, 1, 1, "Caca forever...");
caca_refresh_display($display);
caca_get_event($display, CACA_EVENT_KEY_PRESS, 5000000);
?>