From 1e5d42ba53ea0c631dbc6f21887839c91571ebca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jure=20=C5=BDabkar?= <jure.zabkar@fri.uni-lj.si>
Date: Tue, 13 Oct 2015 12:24:41 +0200
Subject: Uvodne vaje za robotiko

---
 robot/problems/introduction/circle20/common.py | 62 ++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 robot/problems/introduction/circle20/common.py

(limited to 'robot/problems/introduction/circle20/common.py')

diff --git a/robot/problems/introduction/circle20/common.py b/robot/problems/introduction/circle20/common.py
new file mode 100644
index 0000000..661d43a
--- /dev/null
+++ b/robot/problems/introduction/circle20/common.py
@@ -0,0 +1,62 @@
+# coding=utf-8
+
+from python.util import has_token_sequence, string_almost_equal, \
+    string_contains_number, get_tokens, get_numbers, get_exception_desc
+from server.hints import Hint, HintSequence
+
+id = 205
+group = 'introduction'
+number = 5
+visible = True
+
+solution = '''\
+from ev3dev import *
+from mindstorms_widgets import mindstorms_widgets
+
+robot = mindstorms_widgets()
+robot.connect_motor( 'left' )
+robot.connect_motor( 'right' )
+
+fct = 9 # full circle time
+rad = 20 # Direction to make a good radius for the circle
+robot.move_steering( 'on_for_seconds', direction=rad, power=40, seconds=fct )
+'''
+
+hint_type = {
+    'mW_init': Hint('mW_init'),
+    'connectMotorLeft': Hint('connectMotorLeft'),
+    'connectMotorRight': Hint('connectMotorRight'),
+    'moveSteering': Hint('moveSteering'),
+    'onForSeconds': Hint('onForSeconds'),
+    'direction': Hint('direction'),
+    'seconds': Hint('seconds'),
+}
+
+def hint( code):
+    tokens = get_tokens(code)
+
+    # if code does not include mindstorms_widgets(), a student gets a hint that the robot should be somehow represented in the program
+    if not has_token_sequence(tokens, ['mindstorms_widgets', '(',')']):
+        return [{'id': 'mW_init'}]
+
+    # if code does not include connect_motor statement, a student needs to learn about how to connect the motors
+    if not has_token_sequence(tokens, ['connect_motor']) and not has_token_sequence(tokens, ['left']):
+        return [{'id': 'connectMotorLeft'}]
+
+    # if code does not include connect_motor statement, a student needs to learn about how to connect the motors
+    if not has_token_sequence(tokens, ['connect_motor']) and not has_token_sequence(tokens, ['right']):
+        return [{'id': 'connectMotorRight'}]
+
+    if not has_token_sequence(tokens, ['move_steering']):
+        return [{'id': 'moveSteering'}]
+
+    if not 'on_for_seconds' in code:
+        return [{'id': 'onForSeconds'}]
+    
+    if not 'direction' in code:
+        return [{'id': 'direction'}]
+    
+    if not 'seconds' in code:
+        return [{'id': 'seconds'}]
+
+    return None
-- 
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