257 lines
6.6 KiB
Plaintext
257 lines
6.6 KiB
Plaintext
# 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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msgid ""
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msgstr ""
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"Project-Id-Version: PACKAGE VERSION\n"
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"Report-Msgid-Bugs-To: \n"
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"POT-Creation-Date: 2014-07-02 12:51+0200\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: ru\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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"X-Generator: Translate Toolkit 1.11.0\n"
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#. type: One-char language identifier
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#: train405.languagecode:1
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#, no-wrap
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msgid "E"
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msgstr ""
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#. type: Title-text
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#: train405/scene.txt:1
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#, no-wrap
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msgid "train405:Shadow"
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msgstr ""
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#. type: Resume-text
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#: train405/scene.txt:2
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#, no-wrap
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msgid "train405:Follow a bot, as if you were its shadow."
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msgstr ""
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#. type: ScriptName-text
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#: train405/scene.txt:3
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#, no-wrap
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msgid "train405:Follow"
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msgstr ""
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#. type: \b; header
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#: train405-help/tfollow1.txt:1
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#, no-wrap
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msgid "Exercise"
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msgstr ""
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#. type: Plain text
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#: train405-help/tfollow1.txt:3
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#, no-wrap
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msgid ""
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"You must follow the <a object|bottr>target bot</a> with the explosive "
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"device, but without touching it, otherwise it will blow up. Every time the "
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"target bot stops, you must be close to it (less than 10m). After you managed "
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"to stay close to the target bot at 10 successive stops, it will lead you to "
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"the finishing pad, and the exercise is over. At every stop, the target bot "
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"checks that you are there. If you are not there, you must start over again."
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msgstr ""
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#. type: \b; header
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#: train405-help/tfollow1.txt:4
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#, no-wrap
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msgid "General principle"
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msgstr ""
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#. type: Plain text
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#: train405-help/tfollow1.txt:6
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#, no-wrap
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msgid "Repeat forever :\n"
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msgstr ""
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#. type: Bullet: 'o'
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#: train405-help/tfollow1.txt:6
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#, no-wrap
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msgid "Look for the target bot."
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msgstr ""
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#. type: Bullet: 'o'
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#: train405-help/tfollow1.txt:7
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#, no-wrap
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msgid "Calculate the distance to the bot."
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msgstr ""
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#. type: Bullet: 'o'
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#: train405-help/tfollow1.txt:8
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#, no-wrap
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msgid "if the distance to the target bot is less than 5m, move backward."
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msgstr ""
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#. type: Bullet: 'o'
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#: train405-help/tfollow1.txt:9
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#, no-wrap
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msgid "Otherwise, calculate the direction of the target bot, and move towards it."
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msgstr ""
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#. type: Plain text
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#: train405-help/tfollow1.txt:12
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#, no-wrap
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msgid ""
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"As many times before, use <code><a cbot|while>while</a> (true)</code> in "
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"order to perform the infinite loop:"
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msgstr ""
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#. type: \s; block (usually verbatim code)
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#: train405-help/tfollow1.txt:16
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#, no-wrap
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msgid ""
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"<code>while (true)\n"
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"{\n"
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"\t</code>instructions to be repeated ...<c/>\n"
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"}"
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msgstr ""
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#. type: Plain text
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#: train405-help/tfollow1.txt:18
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#, no-wrap
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msgid ""
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"Look for the target bot with the instruction <code><a "
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"cbot|radar>radar</a></code>:"
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msgstr ""
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#. type: \s; block (usually verbatim code)
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#: train405-help/tfollow1.txt:19
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#, no-wrap
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msgid "<c/>\ttarget = radar(TargetBot);"
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msgstr ""
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#. type: Plain text
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#: train405-help/tfollow1.txt:21
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#, no-wrap
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msgid "You do not have to test if the radar found a target bot: there must be one."
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msgstr ""
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#. type: Plain text
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#: train405-help/tfollow1.txt:23
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#, no-wrap
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msgid ""
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"Use the instruction <code><a cbot|dist>distance</a>( , )</code> to calculate "
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"the distance between two points. The first point will be the position of "
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"your own bot, given by <code>position</code>. The second point is the "
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"position of the target bot, given by <code>target.position</code>."
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msgstr ""
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#. type: \s; block (usually verbatim code)
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#: train405-help/tfollow1.txt:24
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#, no-wrap
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msgid "<c/>len = distance(position, target.position);"
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msgstr ""
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#. type: Plain text
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#: train405-help/tfollow1.txt:30
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#, no-wrap
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msgid ""
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"If the distance to the target bot is smaller than 5m, move backward with a "
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"speed inversely proportional to the distance: the closer you are to the bot, "
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"the faster you must move backward.\n"
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"\tDistance = 5.0 meters -> speed = 0.0\n"
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"\tDistance = 2.5 meters -> speed = -0.5\n"
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"\tDistance = 0.0 meters -> speed = -1.0\n"
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"You can use the <a cbot|expr>expression</a> <code>distance/5-1</code> in "
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"order to achieve this, together with the <code><a cbot|if>if</a></code> to "
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"test if the target is closer than 5m:"
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msgstr ""
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#. type: \s; block (usually verbatim code)
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#: train405-help/tfollow1.txt:34
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#, no-wrap
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msgid ""
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"<c/>if ( len < 5 ) // too close ?\n"
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"{\n"
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"\tmotor(len/5-1, len/5-1); // moves backward\n"
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"}"
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msgstr ""
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#. type: Plain text
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#: train405-help/tfollow1.txt:36
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#, no-wrap
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msgid ""
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"If the distance to the target is greater than 5m, move towards the "
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"target. First calculate the angle necessary to face the target with the "
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"instruction <code><a cbot|direct>direction</a></code>. You can then adjust "
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"the speed of the right-hand and left-hand motor in order to follow the "
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"target:"
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msgstr ""
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#. type: \s; block (usually verbatim code)
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#: train405-help/tfollow1.txt:48
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#, no-wrap
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msgid ""
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"<c/>else\n"
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"{\n"
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"\tdir = direction(target.position);\n"
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"\tif ( dir >= 0 ) // target on the left side?\n"
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"\t{\n"
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"\t\tmotor(1-dir/90, 1);\n"
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"\t}\n"
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"\telse // target on the right side?\n"
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"\t{\n"
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"\t\t<n/>it is up to you to fill in<c/>\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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#: train405-help/tfollow1.txt:55
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#, no-wrap
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msgid ""
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"When the target is on your left, <code>dir</code> takes a positive value, "
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"ranging between 0 and 180. The <a cbot|expr>expression</a> "
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"<code>1-dir/90</code> returns a speed ranging between 1 and -1, according to "
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"the direction:\n"
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"\tdirection = 0 -> speed = 1.0\n"
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"\tdirection = 45 -> speed = 0.5\n"
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"\tdirection = 90 -> speed = 0.0\n"
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"\tdirection = 135 -> speed = -0.5\n"
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"\tdirection = 180 -> speed = -1.0"
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msgstr ""
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#. type: Image filename
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#: train405-help/tfollow1.txt:56
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#, no-wrap
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msgid "radar2"
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msgstr ""
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#. type: Plain text
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#: train405-help/tfollow1.txt:58
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#, no-wrap
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msgid ""
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"When the target is on the right side, <code>dir</code> is negative, ranging "
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"between 0 and -180."
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msgstr ""
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#. type: Plain text
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#: train405-help/tfollow1.txt:60
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#, no-wrap
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msgid ""
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"The only task left for you now is to declare the <a cbot|var>variables</a> "
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"that you use in the program. <code>target</code> is of type "
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"<code>object</code>, whereas <code>dir</code> and <code>len</code> are of "
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"type <code>float</code>."
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msgstr ""
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#. type: \t; header
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#: train405-help/tfollow1.txt:61
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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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#: train405-help/tfollow1.txt:62
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#, no-wrap
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msgid ""
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"<a cbot>Programming</a>, <a cbot|type>types</a> and <a "
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"cbot|category>categories</a>."
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msgstr ""
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