X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?a=blobdiff_plain;f=universe.h;h=3bbbf4ac82cb5536b8b9cc4b86274f0c33762f23;hb=fe0be986e63c5dabed472d68b0aa7c91ca0651db;hp=3775daf19cde894f5e335181e4cc1252fd540bde;hpb=ba46b057f3e2613a86f2dea7fa8022990482c735;p=universe.git

diff --git a/universe.h b/universe.h
index 3775daf..3bbbf4a 100644
--- a/universe.h
+++ b/universe.h
@@ -1,19 +1,6 @@
 
-////////////////////////////////////////////////////////////////////////////////
-// This program is free software; you can redistribute it and/or              //
-// modify it under the terms of the GNU General Public License                //
-// version 2 as published by the Free Software Foundation.                    //
-//                                                                            //
-// This program is distributed in the hope that it will be useful, but        //
-// WITHOUT ANY WARRANTY; without even the implied warranty of                 //
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU          //
-// General Public License for more details.                                   //
-//                                                                            //
-// Written and (C) by François Fleuret                                        //
-// Contact <francois.fleuret@epfl.ch> for comments & bug reports              //
-////////////////////////////////////////////////////////////////////////////////
-
-// $Id: universe.h,v 1.21 2006-12-17 19:22:19 fleuret Exp $
+// Written and (C) by Francois Fleuret
+// Contact <francois.fleuret@idiap.ch> for comments & bug reports
 
 #ifndef UNIVERSE_H
 #define UNIVERSE_H
@@ -21,6 +8,10 @@
 #include <iostream>
 #include <cmath>
 
+#ifdef CAIRO_SUPPORT
+#include <cairo.h>
+#endif
+
 using namespace std;
 
 #include "misc.h"
@@ -32,21 +23,30 @@ class Universe {
 public:
   int _nb_max_polygons, _nb_polygons;
   Polygon **_polygons;
+
   Universe(int nb_max_polygons, scalar_t xmax, scalar_t ymax);
   // The destructor deletes all the added polygons
   ~Universe();
+
   void initialize(Polygon *p);
   void clear();
   void add_polygon(Polygon *p);
   bool collide(Polygon *p);
+
   // Compute collisions between projections of the polygons on a few
   // axis to speed up the computation
   void compute_pseudo_collisions(int nb_axis, int *nb_colliding_axis);
   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_xfig(XFigTracer *tracer);
   void draw(SimpleWindow *window);
+
+#ifdef CAIRO_SUPPORT
+  void draw(cairo_t *context_resource);
+#endif
 };
 
 #endif