X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=sidebyside;f=source%2Flibr2c2%2Flayout.cpp;h=5c4cf9e1d82d26f604fbb4f5a20736cf944937d6;hb=34f8bf04e4bdffefeceea59b186386b51c542b9d;hp=d6bd9ee909dee6f11c7016559ccdd24acbf7386a;hpb=6010ad6857ce5690f4053bf8795f2c476daa4694;p=r2c2.git

diff --git a/source/libr2c2/layout.cpp b/source/libr2c2/layout.cpp
index d6bd9ee..5c4cf9e 100644
--- a/source/libr2c2/layout.cpp
+++ b/source/libr2c2/layout.cpp
@@ -1,7 +1,7 @@
 /* $Id$
 
 This file is part of R²C²
-Copyright © 2006-2010  Mikkosoft Productions, Mikko Rasa
+Copyright © 2006-2011  Mikkosoft Productions, Mikko Rasa
 Distributed under the GPL
 */
 
@@ -86,6 +86,15 @@ void Layout::remove_track(Track &t)
 	}
 }
 
+Track *Layout::pick_track(const Vector &start, const Vector &ray)
+{
+	for(set<Track *>::iterator i=tracks.begin(); i!=tracks.end(); ++i)
+		if((*i)->collide_ray(start, ray))
+			return *i;
+
+	return 0;
+}
+
 unsigned Layout::allocate_turnout_id()
 {
 	set<unsigned> used_ids;