# 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: 2013-10-24 08:59+0200\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 #: train202.languagecode:1 #, no-wrap msgid "E" msgstr "F" # #. type: Title-text #: train202/scene.txt:1 #, no-wrap msgid "train202:Flying tower 1" msgstr "train202:Tour volante 1" # #. type: Resume-text #: train202/scene.txt:2 #, no-wrap msgid "train202:Make a flying defense tower out of a winged shooter." msgstr "train202:Programmer un robot volant de manière à obtenir une tour de défense volante" # #. type: ScriptName-text #: train202/scene.txt:3 #, no-wrap msgid "train202:Move" msgstr "train202:Tour1" #. type: \b; header #: train202-help/tant2.txt:1 #, no-wrap msgid "Objective" msgstr "" #. type: Plain text #: train202-help/tant2.txt:3 #, no-wrap msgid "As a defense against ants attacking from all sides, adapt the program Spider2 in order to fly at a given altitude." msgstr "" #. type: \t; header #: train202-help/tant2.txt:4 #, no-wrap msgid "Program" msgstr "" #. type: Plain text #: train202-help/tant2.txt:6 #, no-wrap msgid "The program necessary for this task is somewhat similar to the program Spider2 that looks for the closest ant, turns towards it and fires:" msgstr "" #. type: \s; block (usually verbatim code) #: train202-help/tant2.txt:18 #, no-wrap msgid "" "extern void object::Spider2()\n" "{\t\n" "\tobject item;\n" "\t\n" "\twhile (true)\n" "\t{\n" "\t\titem = radar(AlienSpider);\n" "\t\tturn(direction(item.position));\n" "\t\tfire(1);\n" "\t}\n" "}" msgstr "" #. type: Plain text #: train202-help/tant2.txt:20 #, no-wrap msgid "You can copy-paste it to the editor, and adapt it. Replace radar(AlienSpider); by radar(AlienAnt);, and write before the while loop another loop that activates the jet beneath the winged shooter until the bot reaches an altitude of 20 meters." msgstr "" #. type: Plain text #: train202-help/tant2.txt:22 #, no-wrap msgid "The instruction jet() controls the jet beneath winged bots. The number in brackets must range between -1 and 1. jet(1); moves the bot upward with maximum speed. jet(-1); moves the bot downward with maximum speed, and jet(0); stabilizes the altitude. As the bot must reach a precise altitude, move it upward slowly with jet(0.2);, wait until it has reached the desired height, then stabilize the altitude with jet(0);." msgstr "" #. type: Plain text #: train202-help/tant2.txt:24 #, no-wrap 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 position.z. We already saw that position 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 position.z is smaller than 20:" msgstr "" #. type: \s; block (usually verbatim code) #: train202-help/tant2.txt:29 #, no-wrap msgid "" "\twhile (position.z < 20)\n" "\t{\n" "\t\twait(0.2);\n" "\t}" msgstr "" #. type: Plain text #: train202-help/tant2.txt:31 #, no-wrap 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 }. Do not forget after the loop to stabilize the altitude with jet(0);." msgstr "" #. type: \t; header #: train202-help/tant2.txt:32 #, no-wrap msgid "See also" msgstr "" #. type: Plain text #: train202-help/tant2.txt:33 #, no-wrap msgid "Programming, types and categories." msgstr "" # #~ msgid "train200:Ants and wasps" #~ msgstr "train200:Fourmis et guêpes" # #~ msgid "train200:Fight against moving targets" #~ msgstr "train200:Combat contre des cibles mouvantes" # #~ msgid "train200:" #~ msgstr "train200:" # #~ msgid "train201:Barrage Fire" #~ msgstr "train201:Tir de barrage" # #~ msgid "train201:" #~ msgstr "train201:" # #~ msgid "train201:Set the power of the different motors in order to achieve a barrage fire." #~ msgstr "train201:Effectuer à l'aide de la commande directe des moteurs un tir de barrage contre des fourmis qui attaquent" # #~ msgid "train201:Move" #~ msgstr "train201:Barrage" # #~ msgid "train202:" #~ msgstr "train202:" # #~ msgid "train203:Flying Tower 2" #~ msgstr "train203:Tour volante 2" # #~ msgid "train203:" #~ msgstr "train203:" # #~ msgid "train203:Program a flying tower that wastes less energy." #~ msgstr "train203:Une tour de défense volante plus économe en énergie" # #~ msgid "train203:Move" #~ msgstr "train203:Tour2" # #~ msgid "train204:Fighter Jet 1" #~ msgstr "train204:Chasseur à réaction 1" # #~ msgid "train204:" #~ msgstr "train204:" # #~ msgid "train204:Instruct a winged shooter to clean the whole region." #~ msgstr "train204:Programmez un shooter volant pour qu'il nettoie toute la région" # #~ msgid "train204:Move" #~ msgstr "train204:Chasseur1" # #~ msgid "train205:Fighter Jet 2" #~ msgstr "train205:Chasseur à réaction 2" # #~ msgid "train205:" #~ msgstr "train205:" # #~ msgid "train205:Adapt the program to a mountainous terrain." #~ msgstr "train205:Adaptez le programme à un relief accidenté" # #~ msgid "train205:Move" #~ msgstr "train205:Chasseur2" # #~ msgid "train206:Wasp Hunter 1" #~ msgstr "train206:Chasseur de guêpes 1" # #~ msgid "train206:" #~ msgstr "train206:" # #~ msgid "train206:Shoot down the flying wasps." #~ msgstr "train206:Attrapez des guêpes en vol" # #~ msgid "train206:Wasp1" #~ msgstr "train206:Guêpes1" # #~ msgid "train207:Wasp Hunter 2" #~ msgstr "train207:Chasseur de guêpes 2" # #~ msgid "train207:" #~ msgstr "train207:" # #~ msgid "train207:Get better at shooting down the wasps." #~ msgstr "train207:Attrapez des guêpes de manière plus efficace" # #~ msgid "train207:Wasp2" #~ msgstr "train207:Guêpes2"