# SOME DESCRIPTIVE TITLE
# Copyright (C) YEAR Free Software Foundation, Inc.
# This file is distributed under the same license as the PACKAGE package.
# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: PACKAGE VERSION\n"
"POT-Creation-Date: DATE\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language-Team: LANGUAGE <LL@li.org>\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
#: levels-po/exercises/chapter004/level002/scene_langchar.txt:1
#, no-wrap
msgid "E"
msgstr ""

#. type: Title-text
#: levels/exercises/chapter004/level002/scene.txt:1
#, no-wrap
msgid "Radar"
msgstr ""

#. type: Resume-text
#: levels/exercises/chapter004/level002/scene.txt:2
#, no-wrap
msgid "Use the radar to find lots of stupid blue crosses."
msgstr ""

#. type: ScriptName-text
#: levels/exercises/chapter004/level002/scene.txt:3
#, no-wrap
msgid "Find"
msgstr ""

#. type: \b; header
#: levels/exercises/chapter004/level002/help/help.E.txt:1
#, no-wrap
msgid "Exercise"
msgstr ""

#. type: Plain text
#: levels/exercises/chapter004/level002/help/help.E.txt:3
#, no-wrap
msgid ""
"Let the bot find all the <a object|waypoint>blue crosses</a> on the "
"ground. As soon as the bot passed over one of the crosses, it will "
"disappear. Here is the general principle that you will apply:"
msgstr ""

#. type: Plain text
#: levels/exercises/chapter004/level002/help/help.E.txt:5
#, no-wrap
msgid "Repeat forever:\n"
msgstr ""

#. type: Bullet: 'o'
#: levels/exercises/chapter004/level002/help/help.E.txt:5
#, no-wrap
msgid "Look for a cross"
msgstr ""

#. type: Bullet: 'o'
#: levels/exercises/chapter004/level002/help/help.E.txt:6
#, no-wrap
msgid "If there is none, stop the program."
msgstr ""

#. type: Bullet: 'o'
#: levels/exercises/chapter004/level002/help/help.E.txt:7
#, no-wrap
msgid "Calculate the direction of the cross."
msgstr ""

#. type: Bullet: 'o'
#: levels/exercises/chapter004/level002/help/help.E.txt:8
#, no-wrap
msgid ""
"Set the speed of the motors in such a way that they will find their way to "
"the cross."
msgstr ""

#. type: \b; header
#: levels/exercises/chapter004/level002/help/help.E.txt:10
#, no-wrap
msgid "The program"
msgstr ""

#. type: Plain text
#: levels/exercises/chapter004/level002/help/help.E.txt:12
#, no-wrap
msgid ""
"Use a <code><a cbot|while>while</a></code> loop in order to repeat several "
"instructions over and over:"
msgstr ""

#. type: \s; block (usually verbatim code)
#: levels/exercises/chapter004/level002/help/help.E.txt:16
#, no-wrap
msgid ""
"<code>while ( true )\n"
"{\n"
"\t</code>instructions...<c/>\n"
"}"
msgstr ""

#. type: Plain text
#: levels/exercises/chapter004/level002/help/help.E.txt:18
#, no-wrap
msgid ""
"The instruction <code><a cbot|radar>radar</a></code> will detect the blue "
"crosses and put their description into a variable, for example "
"<code>spot</code>. In this case, <code><a cbot|radar>radar</a>()</code> "
"needs only one parameter, i.e. the category of the object that it must look "
"for:"
msgstr ""

#. type: \s; block (usually verbatim code)
#: levels/exercises/chapter004/level002/help/help.E.txt:19
#, no-wrap
msgid "<c/>spot = radar(WayPoint);"
msgstr ""

#. type: Plain text
#: levels/exercises/chapter004/level002/help/help.E.txt:21
#, no-wrap
msgid ""
"Once all the crosses have been found, <code>radar</code> will return the "
"value <code><a cbot|null>null</a></code>. You will have to test this case "
"and react accordingly with the instruction <code><a cbot|if>if</a></code>:"
msgstr ""

#. type: \s; block (usually verbatim code)
#: levels/exercises/chapter004/level002/help/help.E.txt:26
#, no-wrap
msgid ""
"<c/>if ( spot == null )  // no more ?\n"
"{\n"
"\tmotor(0, 0);  // stops the motors\n"
"\tbreak;        // stops the loop\n"
"}"
msgstr ""

#. type: Plain text
#: levels/exercises/chapter004/level002/help/help.E.txt:27
#, no-wrap
msgid ""
"<n/>The instruction <code><a cbot|break>break</a></code> will stop the "
"infinite loop <code>while (true)</code>."
msgstr ""

#. type: Plain text
#: levels/exercises/chapter004/level002/help/help.E.txt:29
#, no-wrap
msgid ""
"Use the instruction <code><a cbot|direct>direction</a>()</code> to calculate "
"the angle of the rotation that the bot must perform in order to turn towards "
"the blue cross. The coordinates of the object are given by "
"<code>spot.position</code>. The following line will put the angle of the "
"necessary rotation into the <a cbot|var>variable</a> <code>dir</code>:"
msgstr ""

#. type: \s; block (usually verbatim code)
#: levels/exercises/chapter004/level002/help/help.E.txt:30
#, no-wrap
msgid "<c/>dir = direction(spot.position);"
msgstr ""

#. type: Plain text
#: levels/exercises/chapter004/level002/help/help.E.txt:32
#, no-wrap
msgid ""
"The value of the angle is positive if the blue cross is on your left hand, "
"and negative if it is on your right hand. If the cross to be reached is on "
"your left hand, you must set the right-hand motor to full speed, and set the "
"left-hand motor to a lower speed, according to the angle:"
msgstr ""

#. type: Plain text
#: levels/exercises/chapter004/level002/help/help.E.txt:38
#, no-wrap
msgid ""
"    direction = <code>  0</code> -> speed = <code> 1.0</code>\n"
"    direction = <code> 45</code> -> speed = <code> 0.5</code>\n"
"    direction = <code> 90</code> -> speed = <code> 0.0</code>\n"
"    direction = <code>135</code> -> speed = <code>-0.5</code>\n"
"    direction = <code>180</code> -> speed = <code>-1.0</code>"
msgstr ""

#. type: Plain text
#: levels/exercises/chapter004/level002/help/help.E.txt:40
#, no-wrap
msgid ""
"The graphic below shows the speed of the left-hand and right-hand motor as "
"set by the instruction <code><a cbot|motor>motor</a></code>, according to "
"the angle:"
msgstr ""

#. type: Image filename
#: levels/exercises/chapter004/level002/help/help.E.txt:41
#, no-wrap
msgid "radar2"
msgstr ""

#. type: Plain text
#: levels/exercises/chapter004/level002/help/help.E.txt:43
#, no-wrap
msgid ""
"If the cross is straight ahead, the angle is 0 degrees. The motors will get "
"the speeds 1 and 1, which means full speed ahead. If the cross is behind, "
"the right motor will be set to speed -1: it will turn around. You can use "
"the <a cbot|expr>expression</a> <code>1+dir/90</code> in order to calculate "
"the necessary speed of the motors:"
msgstr ""

#. type: \s; block (usually verbatim code)
#: levels/exercises/chapter004/level002/help/help.E.txt:47
#, no-wrap
msgid ""
"<c/>if ( dir < 0 )  // on the right side?\n"
"{\n"
"\tmotor(1, 1+dir/90);  // turns more or less\n"
"}"
msgstr ""

#. type: Plain text
#: levels/exercises/chapter004/level002/help/help.E.txt:49
#, no-wrap
msgid ""
"Use the same principle if the angle has got a positive value, ranging "
"between 0 and 180 degrees. It is up to you to work out the exact "
"instructions to be performed:"
msgstr ""

#. type: \s; block (usually verbatim code)
#: levels/exercises/chapter004/level002/help/help.E.txt:53
#, no-wrap
msgid ""
"<code>else  // on the left side?\n"
"{\n"
"\t</code>up to you to fill in here...<c/>\n"
"}"
msgstr ""

#. type: Plain text
#: levels/exercises/chapter004/level002/help/help.E.txt:55
#, no-wrap
msgid ""
"At the beginning of the program, you must still declare all the "
"variables. <code>spot</code> is of type <code><a "
"cbot|object>object</a></code>, whereas <code>dir</code> is of type <code><a "
"cbot|float>float</a></code>."
msgstr ""

#. type: \t; header
#: levels/exercises/chapter004/level002/help/help.E.txt:56
#, no-wrap
msgid "See also"
msgstr ""

#. type: Plain text
#: levels/exercises/chapter004/level002/help/help.E.txt:57
#, no-wrap
msgid ""
"<a cbot>Programming</a>, <a cbot|type>types</a> and <a "
"cbot|category>categories</a>."
msgstr ""