angleska verzija

8 files changed, 118 insertions, 11 deletions

diff --git a/robot/problems/introduction/circle20/en.py b/robot/problems/introduction/circle20/en.py
index 8210d71..c677cce 100644
--- a/robot/problems/introduction/circle20/en.py
+++ b/robot/problems/introduction/circle20/en.py
@@ -7,8 +7,26 @@ name = 'Circle 20 cm'
 slug = 'Circle 20 cm'
 
 description = '''\
-'''
+<p>Write a program that will make the robot drive in circle (r=20cm) and stop after one loop.</p>'''
 
 hint = {
-    
+   'mW_init':mod.hint['init'],
+   'connectMotorLeft':mod.hint['connectMotorLeft'],
+   'connectMotorRight':mod.hint['connectMotorRight'],
+   'moveSteering':mod.hint['moveSteering'],
+   'onForSeconds':mod.hint['onForSeconds'],
+   'direction':mod.hint['direction']+['''<p>The value of this parameter should be such that would make the robot circle with radius 20cm. This value highly depends on the construction of the robot.</p>''',
+                 '''<p><code>robot.move_steering( 'on_for_seconds', direction=20, ... )</code>.</p>'''],
+   'seconds':mod.hint['seconds']+['''<p>Experimentally determine the time (in seconds) the robot needs for one loop.</p>''',
+               '''<p><code>robot.move_steering( 'on_for_seconds', direction=0, seconds=3 )</code>.</p>'''],
 }
+
+plan = ['''\
+<p>The program should:</p>
+<ol>
+  <li>create a mindstorms_widgets() object, which represents the robot in your code.</li>
+  <li>connect the driving motors.</li>
+  <li>calculate the turn so that the robot would drive in circle with radius 20 cm.</li>
+  <li>synchronize the motors and run them for a specified time, so that the robot stops after one round.</li>
+</ol>'''
+]
diff --git a/robot/problems/introduction/countlines/common.py b/robot/problems/introduction/countlines/common.py
index 6d2bf13..bf5343b 100644
--- a/robot/problems/introduction/countlines/common.py
+++ b/robot/problems/introduction/countlines/common.py
@@ -21,17 +21,17 @@ robot.connect_sensor( 'color' )
 
 robot.move_steering( 'on' )
 start = time.time()
-stevec = 0
+counter = 0
 color = -1
 while time.time()-start < 1.2:
     c = robot.color_sensor_measure( 'color' ) # values: 0-7 see the scale above
     if c!=color:
         if c!=6 and c!=0:
-            stevec += 1
+            counter += 1
         color = c
 robot.move_steering( 'off' )
 
-print( "Stevilo crt:", stevec )
+print( "Number of lines:", counter )
 '''
 
 hint_type = {
diff --git a/robot/problems/introduction/countlines/en.py b/robot/problems/introduction/countlines/en.py
index 8b3b275..009a752 100644
--- a/robot/problems/introduction/countlines/en.py
+++ b/robot/problems/introduction/countlines/en.py
@@ -7,8 +7,31 @@ name = 'Count lines'
 slug = 'Count lines'
 
 description = '''\
+              Write a program to count the color lines on white background using the robot with a color sensor. The robot should drive forward, crossing the lines and count them.
 '''
 
 hint = {
-    
+    'mW_init':mod.hint['init'],
+    'connectMotorLeft':mod.hint['connectMotorLeft'],
+    'connectMotorRight':mod.hint['connectMotorRight'],
+    'moveSteeringOn':mod.hint['moveSteering']+['''<p>Use move_steering method with 'on' as the first parameter <code>robot.move_steering( 'on',... )</code>.</p>'''],
+    'moveSteeringOff':mod.hint['moveSteeringOff'],
+    'connectColorSensor':mod.hint['connectColorSensor'],
+    'colorSensorMeasure':mod.hint['colorSensorMeasure'],
+    'while':['''<p>Use the while loop: inside, the robot should read the current color and increase the counter when the color changes.</p>''',
+             '''<p>Interrupt the loop after a certain amount of time; determine the time the robot needs to drive over all the colors experimentally; use <code>time.time()</code>.</p>''',
+             '''<p><code>while time.time()-start < 1.5:</code>.</p>'''],
 }
+
+plan = ['''\
+<p>The program should:</p>
+<ol>
+  <li>create a mindstorms_widgets() object, which represents the robot in your code.</li>
+  <li>connect the driving motors.</li>
+  <li>connect the color sensor.</li>
+  <li>synchronize the motors and run them so that the robot would move forward.</li>
+  <li>inside the loop, let the robot recognize colors and increase the counter.</li>
+  <li>interrupt the loop after a certain amount of time.</li>
+  <li>stop the motors.</li>
+</ol>'''
+]
diff --git a/robot/problems/introduction/en.py b/robot/problems/introduction/en.py
new file mode 100644
index 0000000..5236b4e
--- /dev/null
+++ b/robot/problems/introduction/en.py
@@ -0,0 +1,2 @@
+name = 'Introduction'
+description = 'Motors and sensors.'
diff --git a/robot/problems/introduction/followline/en.py b/robot/problems/introduction/followline/en.py
index 3f816fe..1551d1b 100644
--- a/robot/problems/introduction/followline/en.py
+++ b/robot/problems/introduction/followline/en.py
@@ -7,8 +7,40 @@ name = 'Line following'
 slug = 'Line following'
 
 description = '''\
+              Write the program for line following. The robot should use the color sensor to follow the black line on white background.
 '''
 
 hint = {
-    
+    'mW_init':mod.hint['init'],
+    'connectMotorLeft':mod.hint['connectMotorLeft'],
+    'connectMotorRight':mod.hint['connectMotorRight'],
+    'moveSteeringOn':mod.hint['moveSteering']+['''<p>Use move_steering method with 'on' as the first parameter <code>robot.move_steering( 'on',... )</code>.</p>'''],
+    'moveSteeringOff':mod.hint['moveSteeringOff'],
+    'connectColorSensor':mod.hint['connectColorSensor'],
+    'colorSensorMeasureRLI':mod.hint['colorSensorMeasureRLI'],
+    'while':['''<p>Use the loop, inside which the robot would follow the line.</p>''',
+             '''<p>The loop should be time constrained, e.g. <code>time.time()</code>.</p>''',
+             '''<p><code>start = time.time()\nwhile time.time()-start < 10:</code>.</p>'''],
+    'moveTankOn':mod.hint['moveTankOn'],
+    'lrPower': mod.hint['lrPower'],
+    'moveTankOff': mod.hint['moveTankOff'],    
+    'time': ['''Use time() to measure time.''',
+             '''<p><code>start = time.time()\nwhile time.time()-start < 10:</code></p>'''],
+    'if': ['''<p>Use conditional statement inside the loop...</p>''',
+           '''<p>If the robot sees the line, it should turn slightly to go off the line; if the robot sees the background, it should turn towards the line.</p>''']
 }
+
+plan = ['''\
+<p>The program should do the following:</p>
+<ol>
+  <li>create a mindstorms_widgets() object, which represents the robot in your code.</li>
+  <li>connect the driving motors.</li>
+  <li>connect the color sensor.</li>
+  <li>in a loop, the robot should read the color sensor to check whether it is on or off line.</li>
+  <li>if it sees black, it should turn right/left; if it sees white, it should turn left/right.</li>
+  <li>break the loop after specified time, 10 seconds.</li>
+  <li>stop the motors.</li>
+</ol>
+<p>Note: you may need to calibrate the color sensor before running the program on the robot.</p>
+'''
+]
\ No newline at end of file
diff --git a/robot/problems/introduction/forward/en.py b/robot/problems/introduction/forward/en.py
index be73921..5f78d57 100644
--- a/robot/problems/introduction/forward/en.py
+++ b/robot/problems/introduction/forward/en.py
@@ -8,5 +8,20 @@ description = '''\
 '''
 
 hint = {
-    
+   'mW_init':mod.hint['init'],
+   'connectMotorLeft':mod.hint['connectMotorLeft'],
+   'connectMotorRight':mod.hint['connectMotorRight'],
+   'moveSteering':mod.hint['moveSteering'],
+   'onForSeconds':mod.hint['onForSeconds'],
+   'direction':mod.hint['direction']+['''<p><code>robot.move_steering( 'on_for_seconds', direction=0, ... )</code>.</p>'''],
+   'seconds':mod.hint['seconds']+['''<p><code>robot.move_steering( 'on_for_seconds', direction=0, seconds=3 )</code>.</p>'''],
 }
+
+plan = ['''\
+<p>The program should:</p>
+<ol>
+  <li>create a mindstorms_widgets() object, which represents the robot in your code.</li>
+  <li>connect the driving motors.</li>
+  <li>synchronize the motors and run them so that the robot would move forward for 3 seconds.</li>
+</ol>'''
+]
\ No newline at end of file
diff --git a/robot/problems/introduction/forward1m/en.py b/robot/problems/introduction/forward1m/en.py
index bdf2a45..f923059 100644
--- a/robot/problems/introduction/forward1m/en.py
+++ b/robot/problems/introduction/forward1m/en.py
@@ -7,9 +7,26 @@ name = 'Forward 1m'
 slug = 'Forward 1m'
 
 description = '''\
-
+    Write a program that would make the robot drive forward and stop after 1 meter.
 '''
 
 hint = {
-    
+    'mW_init':mod.hint['init'],
+    'connectMotorLeft':mod.hint['connectMotorLeft'],
+    'connectMotorRight':mod.hint['connectMotorRight'],
+    'moveSteering':mod.hint['moveSteering'],
+    'onForRotations':mod.hint['onForRotations'],
+    'direction':mod.hint['direction']+['''<p><code>robot.move_steering( '...', direction=0, ... )</code>.</p>'''],
+    'seconds':mod.hint['seconds']+['''<p><code>robot.move_steering( 'on_for_seconds', direction=0, seconds=3 )</code>.</p>'''],
+    'rotations':mod.hint['rotations'],
 }
+
+plan = ['''\
+<p>Program izvedemo v naslednjih korakih:</p>
+<ol>
+  <li>create a mindstorms_widgets() object, which represents the robot in your code.</li>
+  <li>connect the driving motors.</li>
+  <li>measure the circumference of robot's wheels and compute the number of rotations per meter.</li>
+  <li>synchronize the motors and run them so that the robot would move forward for computed number of rotations.</li>
+</ol>'''
+]
diff --git a/robot/problems/introduction/forward1m/sl.py b/robot/problems/introduction/forward1m/sl.py
index 2240d3c..f6209eb 100644
--- a/robot/problems/introduction/forward1m/sl.py
+++ b/robot/problems/introduction/forward1m/sl.py
@@ -4,7 +4,7 @@ name = 'Naprej 1m'
 slug = 'Naprej 1m'
 
 description = '''\
-<p>Napiši program, da bo robot peljal naravnost naprej 3 sekunde in se nato ustavil.</p>'''
+<p>Napiši program, da bo robot peljal 1 meter naravnost in se nato ustavil.</p>'''
 
 hint = {
     'mW_init':['''<p>Robota v programu predstavimo z mindstorms_widgets(): <code>robot = mindstorms_widgets()</code>.</p>'''],