Use GL::Renderables and a Pipeline for rendering

[r2c2.git] / source / libmarklin / profile.cpp

diff --git a/source/libmarklin/profile.cpp b/source/libmarklin/profile.cpp
index f4dcf188d03b1f58d7ff7c56f153f12217446d94..256854b0fca9b4343c81f6f4be4cfe108eaef7f7 100644 (file)
--- a/source/libmarklin/profile.cpp
+++ b/source/libmarklin/profile.cpp
@@ -27,7 +27,7 @@ Point Profile::get_edge_normal(unsigned i) const
        float dx = points[i+1].x-points[i].x;
        float dy = points[i+1].y-points[i].y;
        float len = sqrt(dx*dx+dy*dy);
-       return Point(-dx/len, dy/len);
+       return Point(dy/len, -dx/len);
 }