X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?a=blobdiff_plain;f=universe.h;h=d411bb660744f443a56e34505366e96719fa5568;hb=762714b0bd3e8db3e57ef1e29bcf2adfefe7e5a5;hp=72dc51927334c085aa35d5be1d0de1c897eca612;hpb=9e314265ccd6163e8a79bdbb91a8bfb46ff73bca;p=universe.git

diff --git a/universe.h b/universe.h
index 72dc519..d411bb6 100644
--- a/universe.h
+++ b/universe.h
@@ -32,7 +32,7 @@ public:
   void apply_collision_forces(scalar_t dt);
   bool update(scalar_t dt);
   Polygon *pick_polygon(scalar_t x, scalar_t y);
-  void print_fig(ostream &os);
+  void print_fig(XFigTracer *tracer);
   void draw(SimpleWindow *window);
 };