129 lines
4.4 KiB
Plaintext
129 lines
4.4 KiB
Plaintext
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# SOME DESCRIPTIVE TITLE
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# Copyright (C) YEAR Free Software Foundation, Inc.
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# This file is distributed under the same license as the PACKAGE package.
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# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
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#
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#
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msgid ""
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msgstr ""
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"Project-Id-Version: PACKAGE VERSION\n"
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"POT-Creation-Date: 2013-11-11 09:56+0100\n"
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"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
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"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
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"Language-Team: LANGUAGE <LL@li.org>\n"
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"Language: \n"
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"MIME-Version: 1.0\n"
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"Content-Type: text/plain; charset=UTF-8\n"
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"Content-Transfer-Encoding: 8bit\n"
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#. type: One-char language identifier
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#: train202.languagecode:1
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#, no-wrap
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msgid "E"
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msgstr "R"
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#. type: Title-text
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#: train202/scene.txt:1
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#, no-wrap
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msgid "train202:Flying tower 1"
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msgstr "train202:Летающая башня 1"
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#. type: Resume-text
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#: train202/scene.txt:2
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#, no-wrap
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msgid "train202:Make a flying defense tower out of a winged shooter."
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msgstr "train202:Создайте летающую защитную крепость из крылатого стрелка."
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#. type: ScriptName-text
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#: train202/scene.txt:3
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#, no-wrap
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msgid "train202:Move"
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msgstr "train202:Move"
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#. type: \b; header
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#: train202-help/tant2.txt:1
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#, no-wrap
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msgid "Objective"
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msgstr ""
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#. type: Plain text
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#: train202-help/tant2.txt:3
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#, no-wrap
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msgid "As a defense against ants attacking from all sides, adapt the program <code>Spider2</code> in order to fly at a given altitude."
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msgstr ""
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#. type: \t; header
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#: train202-help/tant2.txt:4
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#, no-wrap
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msgid "Program"
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msgstr ""
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#. type: Plain text
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#: train202-help/tant2.txt:6
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#, no-wrap
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msgid "The program necessary for this task is somewhat similar to the program <code>Spider2</code> that looks for the closest ant, turns towards it and fires:"
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msgstr ""
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#. type: \s; block (usually verbatim code)
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#: train202-help/tant2.txt:18
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#, no-wrap
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msgid ""
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"extern void object::Spider2()\n"
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"{\t\n"
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"\tobject item;\n"
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"\t\n"
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"\twhile (true)\n"
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"\t{\n"
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"\t\titem = radar(AlienSpider);\n"
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"\t\tturn(direction(item.position));\n"
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"\t\tfire(1);\n"
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"\t}\n"
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"}"
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msgstr ""
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#. type: Plain text
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#: train202-help/tant2.txt:20
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#, no-wrap
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msgid "You can copy-paste it to the editor, and adapt it. Replace <c/>radar(AlienSpider);<n/> by <c/>radar(AlienAnt);<n/>, and write before the <code>while</code> loop another loop that activates the jet beneath the <a object|botfj>winged shooter</a> until the bot reaches an altitude of 20 meters."
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msgstr ""
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#. type: Plain text
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#: train202-help/tant2.txt:22
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#, no-wrap
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msgid "The instruction <code><a cbot|jet>jet</a>()</code> controls the jet beneath winged bots. The number in brackets must range between <code>-1</code> and <code>1</code>.<c/> jet(1);<n/> moves the bot upward with maximum speed.<c/> jet(-1);<n/> moves the bot downward with maximum speed, and <c/>jet(0);<n/> stabilizes the altitude. As the bot must reach a precise altitude, move it upward slowly with <c/>jet(0.2);<n/>, wait until it has reached the desired height, then stabilize the altitude with <c/>jet(0);<n/>."
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msgstr ""
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#. type: Plain text
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#: train202-help/tant2.txt:24
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#, no-wrap
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msgid "In order to \"wait until it has reached the desired height\", we need a conditional loop: the instructions inside the loop will be repeated only as long as a certain condition is true. The altitude of the bot is given by <code>position.z</code>. We already saw that <code>position</code> gives the position of the bot. And a position is given by the three coordinates x, y and z: the x-axis is the axis west-east, the y-axis is the axis south-north, and the z-axis is the vertical axis. Therefore we must wait while <code>position.z</code> is smaller than 20:"
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msgstr ""
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#. type: \s; block (usually verbatim code)
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#: train202-help/tant2.txt:29
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#, no-wrap
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msgid ""
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"\twhile (position.z < 20)\n"
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"\t{\n"
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"\t\twait(0.2);\n"
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"\t}"
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msgstr ""
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#. type: Plain text
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#: train202-help/tant2.txt:31
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#, no-wrap
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msgid "After waiting 0.2 seconds, the program will check if the altitude is still below 20 meters. If this is the case, it will wait a little more, if not, the program continues after the loop, i.e. after the closing brace <code>}</code>. Do not forget after the loop to stabilize the altitude with <c/>jet(0);<n/>."
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msgstr ""
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#. type: \t; header
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#: train202-help/tant2.txt:32
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#, no-wrap
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msgid "See also"
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msgstr ""
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#. type: Plain text
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#: train202-help/tant2.txt:33
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#, no-wrap
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msgid "<a cbot>Programming</a>, <a cbot|type>types</a> and <a cbot|category>categories</a>."
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msgstr ""
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