X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?a=blobdiff_plain;ds=inline;f=universe.cc;h=92b7a1b702558bc806c3efa719daee6f1dd22626;hb=8697ab57c9138aa2bb1657a971e4c2cc5e4a1606;hp=48d8efc288cd661a65b8264f32d377a9d160e0b0;hpb=3e51d77116e49ba279a6cbbf1dbbc893c4117eb4;p=universe.git

diff --git a/universe.cc b/universe.cc
index 48d8efc..92b7a1b 100644
--- a/universe.cc
+++ b/universe.cc
@@ -7,7 +7,7 @@
 #include "universe.h"
 
 Universe::Universe(int nb_max_polygons,
-                   scalar_t xmax, scalar_t ymax) : _xmax(xmax), _ymax(ymax),
+                   scalar_t width, scalar_t height) : _width(width), _height(height),
                                                    _nb_max_polygons(nb_max_polygons), _nb_polygons(0) {
   _polygons = new Polygon *[_nb_max_polygons];
   for(int n = 0; n < _nb_max_polygons; n++) _polygons[n] = 0;
@@ -104,7 +104,7 @@ bool Universe::update(scalar_t dt) {
   bool result = false;
   apply_collision_forces(dt);
   for(int n = 0; n < _nb_polygons; n++) if(_polygons[n]) {
-    _polygons[n]->apply_border_forces(dt, _xmax, _ymax);
+    _polygons[n]->apply_border_forces(dt, _width, _height);
     result |= _polygons[n]->update(dt);
   }
   return result;
@@ -129,10 +129,37 @@ void Universe::print_xfig(XFigTracer *tracer) {
   }
 }
 
+#ifdef X11_SUPPORT
 void Universe::draw(SimpleWindow *window) {
-  for(int n = 0; n < _nb_polygons; n++) if(_polygons[n]) _polygons[n]->draw(window);
-  for(int n = 0; n < _nb_polygons; n++) if(_polygons[n]) _polygons[n]->draw_contours(window);
+  for(int n = 0; n < _nb_polygons; n++) {
+    if(_polygons[n]) {
+      _polygons[n]->draw(window);
+    }
+  }
+
+  for(int n = 0; n < _nb_polygons; n++) {
+    if(_polygons[n]) {
+      _polygons[n]->draw_contours(window);
+    }
+  }
+}
+#endif
+
+#ifdef CAIRO_SUPPORT
+void Universe::draw(cairo_t *context_resource) {
+  for(int n = 0; n < _nb_polygons; n++) {
+    if(_polygons[n]) {
+      _polygons[n]->draw(context_resource);
+    }
+  }
+
+  for(int n = 0; n < _nb_polygons; n++) {
+    if(_polygons[n]) {
+      _polygons[n]->draw_contours(context_resource);
+    }
+  }
 }
+#endif
 
 void Universe::apply_collision_forces(scalar_t dt) {
   const int nb_axis = 2;