X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibr2c2%2Ftrack.cpp;h=cf496c41ddae554b98da55d62e67bc2b3e0179b4;hb=a20b8421d002629a9f4d97c0c378e9f9cb29e292;hp=0d4052ea999a83b6394bb79f7d03f9216604fc39;hpb=f8a7788cee0261babfc4c804a58515aad6dfbc3d;p=r2c2.git

diff --git a/source/libr2c2/track.cpp b/source/libr2c2/track.cpp
index 0d4052e..cf496c4 100644
--- a/source/libr2c2/track.cpp
+++ b/source/libr2c2/track.cpp
@@ -1,10 +1,3 @@
-/* $Id$
-
-This file is part of R²C²
-Copyright © 2006-2010  Mikkosoft Productions, Mikko Rasa
-Distributed under the GPL
-*/
-
 #include <cmath>
 #include "block.h"
 #include "catalogue.h"
@@ -333,6 +326,19 @@ TrackPoint Track::get_point(unsigned epi, float d) const
 	return get_point(epi, active_path, d);
 }
 
+bool Track::collide_ray(const Vector &start, const Vector &ray)
+{
+	Vector local_start(start.x-pos.x, start.y-pos.y, start.z-pos.z);
+	float c = cos(rot);
+	float s = sin(rot);
+	local_start = Vector(c*local_start.x+s*local_start.y, c*local_start.y-s*local_start.x, local_start.z);
+	Vector local_ray(c*ray.x+s*ray.y, c*ray.y-s*ray.x, ray.z);
+
+	float width = layout.get_catalogue().get_ballast_profile().get_width();
+
+	return type.collide_ray(local_start, local_ray, width);
+}
+
 void Track::save(list<DataFile::Statement> &st) const
 {
 	st.push_back((DataFile::Statement("position"), pos.x, pos.y, pos.z));