# HG changeset patch
# User Nicolas Saunier <nicolas.saunier@polymtl.ca>
# Date 1396647836 14400
# Node ID e04b22ce2fcda8c2c07a3f671e3a105f2ef93985
# Parent  a5847c0ca27c3de8cfc0e13ba23f8c7944c253c7
generalized createInteractions to 2 lists of objects (for cars and pedestrians for example)

diff -r a5847c0ca27c -r e04b22ce2fcd python/events.py
--- a/python/events.py	Thu Apr 03 17:48:27 2014 -0400
+++ b/python/events.py	Fri Apr 04 17:43:56 2014 -0400
@@ -148,14 +148,17 @@
         ''' interaction types: conflict or collision if they are known'''
         self.interactionType= interactionType
 
-def createInteractions(objects):
-    '''Create all interactions of two co-existing road users
+def createInteractions(objects, _others = None):
+    '''Create all interactions of two co-existing road users'''
+    if _others != None:
+        others = _others
 
-    todo add test to compute categories?'''
     interactions = []
     num = 0
     for i in xrange(len(objects)):
-        for j in xrange(i):
+        if _others == None:
+            others = objects[:i]
+        for j in xrange(len(others)):
             commonTimeInterval = objects[i].commonTimeInterval(objects[j])
             if not commonTimeInterval.empty():
                 interactions.append(Interaction(num, commonTimeInterval, objects[i].num, objects[j].num, objects[i], objects[j]))