X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibmarklin%2Fgeometry.h;h=674a6b9710ec13b640d772e3b37542c9480703c7;hb=6ba6af3637c299ab00828c49de9151429488cc17;hp=4b0afc23f2b9fdc1672e2b814c7bf2e24542755e;hpb=1d735b80482317fd930eb47ca255ab9f1f120a7d;p=r2c2.git

diff --git a/source/libmarklin/geometry.h b/source/libmarklin/geometry.h
index 4b0afc2..674a6b9 100644
--- a/source/libmarklin/geometry.h
+++ b/source/libmarklin/geometry.h
@@ -1,6 +1,14 @@
+/* $Id$
+
+This file is part of the MSP Märklin suite
+Copyright © 2006-2010  Mikkosoft Productions, Mikko Rasa
+Distributed under the GPL
+*/
+
 #ifndef LIBMARKLIN_GEOMETRY_H_
 #define LIBMARKLIN_GEOMETRY_H_
 
+#include <cmath>
 #include <vector>
 
 namespace Marklin {
@@ -10,9 +18,22 @@ struct Point
 	float x, y, z;
 
 	Point(): x(0), y(0), z(0) { }
+	Point(float x_, float y_): x(x_), y(y_), z(0) { }
 	Point(float x_, float y_, float z_): x(x_), y(y_), z(z_) { }
 };
 
+inline float distance(const Point &p, const Point &q)
+{ return sqrt((p.x-q.x)*(p.x-q.x) + (p.y-q.y)*(p.y-q.y) + (p.z-q.z)*(p.z-q.z)); }
+
+struct TrackPoint
+{
+	Point pos;
+	float dir;
+	float grade;
+
+	TrackPoint(): dir(0), grade(0) { }
+};
+
 } // namespace Marklin
 
 #endif