# SOME DESCRIPTIVE TITLE # Copyright (C) YEAR Free Software Foundation, Inc. # This file is distributed under the same license as the PACKAGE package. # FIRST AUTHOR , YEAR. # # msgid "" msgstr "" "Project-Id-Version: PACKAGE VERSION\n" "POT-Creation-Date: 2013-11-11 09:56+0100\n" "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n" "Last-Translator: FULL NAME \n" "Language-Team: LANGUAGE \n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. type: One-char language identifier #: train306.languagecode:1 #, no-wrap msgid "E" msgstr "R" #. type: Title-text #: train306/scene.txt:1 #, no-wrap msgid "train306:Labyrinth 1" msgstr "train306:Лабиринт 1" #. type: Resume-text #: train306/scene.txt:2 #, no-wrap msgid "train306:Teach your bot how to find its way out of the labyrinth." msgstr "train306:Научите своего бота находить выход из лабиринта." #. type: ScriptName-text #: train306/scene.txt:3 #, no-wrap msgid "train306:Labyrinth" msgstr "train306:Labyrinth" #. type: \b; header #: train306-help/tlaby1.txt:1 #, no-wrap msgid "Exercise" msgstr "" #. type: Plain text #: train306-help/tlaby1.txt:3 #, no-wrap msgid "Program the bot so that it will find its way without hitting the walls of the labyrinth. We suppose that you do not know the configuration of the labyrinth, but there are no bifurcations, and no dead-ends. The labyrinth is made of squares measuring 5m each." msgstr "" #. type: \b; header #: train306-help/tlaby1.txt:4 #, no-wrap msgid "The instruction radar" msgstr "" #. type: Plain text #: train306-help/tlaby1.txt:6 #, no-wrap msgid "The instruction radar(Barrier, 0, 45, 0, 5); will find any barrier in front of the radar that is closer than 5m. Let us take a closer look at the five parameters used:" msgstr "" #. type: \s; block (usually verbatim code) #: train306-help/tlaby1.txt:8 #, no-wrap msgid "Barrier" msgstr "" #. type: Plain text #: train306-help/tlaby1.txt:9 #, no-wrap msgid "Category of the object that the radar must look for, i.e. a barrier." msgstr "" #. type: \s; block (usually verbatim code) #: train306-help/tlaby1.txt:11 train306-help/tlaby1.txt:17 #, no-wrap msgid "0" msgstr "" #. type: Plain text #: train306-help/tlaby1.txt:12 #, no-wrap msgid "Direction of the radar. 0 means that the radar must search straight forward." msgstr "" #. type: \s; block (usually verbatim code) #: train306-help/tlaby1.txt:14 #, no-wrap msgid "45" msgstr "" #. type: Plain text #: train306-help/tlaby1.txt:15 #, no-wrap msgid "Opening angle in degrees. With an opening angle of 45 degrees, barriers situated between 22.5 degrees to the left and 22.5 degrees to the right will be detected." msgstr "" #. type: Plain text #: train306-help/tlaby1.txt:18 #, no-wrap msgid "Minimum detection distance. 0 means that even object that are very close to the bot will be detected." msgstr "" #. type: \s; block (usually verbatim code) #: train306-help/tlaby1.txt:20 #, no-wrap msgid "5" msgstr "" #. type: Plain text #: train306-help/tlaby1.txt:21 #, no-wrap msgid "Maximum detection range. Any barrier situated beyond 5 meters will not be detected." msgstr "" #. type: Plain text #: train306-help/tlaby1.txt:23 #, no-wrap msgid "To take another example, radar(Barrier, 90, 45, 0, 5); will direct the radar 90 degrees to the left, in order to test if the way to the left is free." msgstr "" #. type: Image filename #: train306-help/tlaby1.txt:24 #, no-wrap msgid "tlaby1" msgstr "" #. type: \b; header #: train306-help/tlaby1.txt:25 #, no-wrap msgid "General principle" msgstr "" #. type: Plain text #: train306-help/tlaby1.txt:27 #, no-wrap msgid "The program must only take care of one square portion of the labyrinth. You will have to execute it several times in order to arrive at the finishing pad.\n" msgstr "" #. type: Bullet: 'o' #: train306-help/tlaby1.txt:27 #, no-wrap msgid "If there is nothing in front, move forward." msgstr "" #. type: Bullet: 'o' #: train306-help/tlaby1.txt:28 #, no-wrap msgid "If there is nothing on the left side, quarter turn left, move forward." msgstr "" #. type: Bullet: 'o' #: train306-help/tlaby1.txt:29 #, no-wrap msgid "If there is nothing on the right side, quarter turn right, move forward." msgstr "" #. type: Bullet: '1)' #: train306-help/tlaby1.txt:31 #, no-wrap msgid "First of all declare three variables of type object, that we call front, left and right. Variables of this type can contain the description of any object, for example of a barrier found by the radar." msgstr "" #. type: \s; block (usually verbatim code) #: train306-help/tlaby1.txt:33 #, no-wrap msgid "\tobject front, left, right;" msgstr "" #. type: Bullet: '2)' #: train306-help/tlaby1.txt:34 #, no-wrap msgid "Look for barriers in all three directions, and put the result of the radar instruction into the three variables defined at point 1). If the radar finds nothing, the variable will contain the value null." msgstr "" #. type: \s; block (usually verbatim code) #: train306-help/tlaby1.txt:38 #, no-wrap msgid "" "\tfront = radar(Barrier, 0, 45, 0, 5);\n" "\tleft = radar(Barrier, 90, 45, 0, 5);\n" "\tright = radar(Barrier, -90, 45, 0, 5);" msgstr "" #. type: Bullet: '3)' #: train306-help/tlaby1.txt:39 #, no-wrap msgid "Test if the way is free in front of the bot with the instruction if. If the test is true, the instructions in braces { } will be executed, otherwise the execution will resume after the closing brace }." msgstr "" #. type: Plain text #: train306-help/tlaby1.txt:41 #, no-wrap msgid "The instruction return leaves the program: the job is done." msgstr "" #. type: \s; block (usually verbatim code) #: train306-help/tlaby1.txt:46 #, no-wrap msgid "" "if ( front == null )\n" "{\n" "\tmove(5);\n" "\treturn;\n" "}" msgstr "" #. type: Bullet: '4)' #: train306-help/tlaby1.txt:47 #, no-wrap msgid "Test if it is possible to turn left; if so, turn left with the instruction turn and move 5m forward." msgstr "" #. type: \s; block (usually verbatim code) #: train306-help/tlaby1.txt:54 #, no-wrap msgid "" "if ( left == null )\n" "{\n" "\tturn(90);\n" "\tmove(5);\n" "\treturn;\n" "}" msgstr "" #. type: Bullet: '5)' #: train306-help/tlaby1.txt:55 #, no-wrap msgid "Test if it is possible to turn right." msgstr "" #. type: Plain text #: train306-help/tlaby1.txt:57 #, no-wrap msgid " ..." msgstr "" #. type: \b; header #: train306-help/tlaby1.txt:58 #, no-wrap msgid "Attention" msgstr "" #. type: Plain text #: train306-help/tlaby1.txt:60 #, no-wrap msgid "The instruction if ( ) must never be followed by a semicolon." msgstr "" #. type: \t; header #: train306-help/tlaby1.txt:61 #, no-wrap msgid "See also" msgstr "" #. type: Plain text #: train306-help/tlaby1.txt:62 #, no-wrap msgid "Programming, types and categories." msgstr ""