1 | #!/usr/bin/php5 |
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2 | <?php |
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3 | /* |
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4 | * polyline.php sample program for libcaca php binding |
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5 | * Copyright (c) 2008 Nicolas Vion <nico@yojik.eu> |
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6 | * |
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7 | * This program is free software. It comes without any warranty, to |
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8 | * the extent permitted by applicable law. You can redistribute it |
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9 | * and/or modify it under the terms of the Do What The Fuck You Want |
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10 | * To Public License, Version 2, as published by Sam Hocevar. See |
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11 | * http://sam.zoy.org/wtfpl/COPYING for more details. |
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12 | */ |
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13 | |
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14 | function transform($tbl, $tx, $ty, $sx, $sy) { |
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15 | $result = array(); |
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16 | foreach($tbl as $pt) |
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17 | $result[] = array($pt[0] * $sx + $tx, $pt[1] * $sy + $ty); |
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18 | return $result; |
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19 | } |
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20 | |
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21 | $canvas = caca_create_canvas(0, 0); |
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22 | $display = caca_create_display($canvas); |
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23 | if (!$display) { |
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24 | die("Error while attaching canvas to display\n"); |
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25 | } |
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26 | |
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27 | $tbl = array( |
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28 | array(5, 2), |
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29 | array(15, 2), |
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30 | array(20, 4), |
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31 | array(25, 2), |
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32 | array(34, 2), |
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33 | array(37, 4), |
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34 | array(36, 9), |
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35 | array(20, 16), |
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36 | array(3, 9), |
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37 | array(2, 4), |
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38 | array(5, 2) |
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39 | ); |
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40 | |
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41 | for ($i = 0; $i < 10; $i++) { |
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42 | caca_set_color_ansi($canvas, 1 + (($color += 4) % 15), CACA_TRANSPARENT); |
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43 | $scale = caca_rand(4, 10) / 10; |
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44 | $translate = array(caca_rand(-5, 55), caca_rand(-2, 25)); |
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45 | $pts = transform($tbl, $translate[0], $translate[1], $scale, $scale); |
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46 | caca_draw_thin_polyline($canvas, $pts); |
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47 | } |
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48 | |
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49 | caca_put_str($canvas, 1, 1, "Caca forever..."); |
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50 | caca_refresh_display($display); |
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51 | sleep(5); |
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52 | |
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53 | ?> |
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