From 8697ab57c9138aa2bb1657a971e4c2cc5e4a1606 Mon Sep 17 00:00:00 2001
From: Francois Fleuret <francois@fleuret.org>
Date: Mon, 29 Aug 2016 09:16:32 +0200
Subject: [PATCH] Update.

---
 main.cc       | 12 ++++++------
 manipulator.h |  2 +-
 polygon.cc    |  8 ++++----
 universe.cc   |  4 ++--
 universe.h    |  8 ++++----
 5 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/main.cc b/main.cc
index 1d618d8..bbea852 100644
--- a/main.cc
+++ b/main.cc
@@ -218,12 +218,12 @@ int main(int argc, char **argv) {
   retina.set_location(manipulator.hand_x(), manipulator.hand_y());
 
   SimpleWindow *window_main = 0, *window_brain = 0;
+  int window_main_fd = -1;
+
 #ifdef CAIRO_SUPPORT
-  cairo_t *cairo_cr = 0;
+  cairo_t *window_main_cairo_cr = 0;
 #endif
 
-  int window_main_fd = -1;
-
   MapConcatener sensory_map(2);
   sensory_map.add_map(&retina);
   sensory_map.add_map(&manipulator);
@@ -255,7 +255,7 @@ int main(int argc, char **argv) {
     window_main_fd = window_main->file_descriptor();
     window_main->map();
 #ifdef CAIRO_SUPPORT
-    cairo_cr = window_main->get_cairo_context_resource();
+    window_main_cairo_cr = window_main->get_cairo_context_resource();
 #endif
     cout << "When the main window has the focus, press `q' to quit and click and drag to move" << endl
          << "objects." << endl;
@@ -347,14 +347,14 @@ int main(int argc, char **argv) {
             window_main->color(0.0, 0.0, 0.0);
             window_main->color(1.0, 1.0, 1.0);
             window_main->fill();
-            task->draw(window_main);
 
 #ifdef CAIRO_SUPPORT
-            universe.draw(cairo_cr);
+            universe.draw(window_main_cairo_cr);
 #else
             universe.draw(window_main);
 #endif
 
+            task->draw(window_main);
             manipulator.draw_on_universe(window_main);
             retina.draw_on_universe(window_main);
 
diff --git a/manipulator.h b/manipulator.h
index 20e8b92..cd44a6d 100644
--- a/manipulator.h
+++ b/manipulator.h
@@ -57,7 +57,7 @@ public:
 
   int random_action();
 
-//   void force_grab(Universe *universe, scalar_t x, scalar_t y);
+  //   void force_grab(Universe *universe, scalar_t x, scalar_t y);
   void force_move(scalar_t x, scalar_t y);
   void force_release();
 };
diff --git a/polygon.cc b/polygon.cc
index 1d2b3dd..e121e2c 100644
--- a/polygon.cc
+++ b/polygon.cc
@@ -73,8 +73,8 @@ void Polygon::draw_contours(SimpleWindow *window) {
     x[n] = int(_x[n]);
     y[n] = int(_y[n]);
   }
-  // window->color(0.0, 0.0, 0.0);
-  window->color(1.0, 1.0, 1.0);
+  window->color(0.0, 0.0, 0.0);
+  // window->color(1.0, 1.0, 1.0);
   for(int n = 0; n < _nb_vertices; n++) {
     window->draw_line(x[n], y[n], x[(n+1)%_nb_vertices], y[(n+1)%_nb_vertices]);
   }
@@ -96,8 +96,8 @@ void Polygon::draw(cairo_t* context_resource) {
 
 void Polygon::draw_contours(cairo_t* context_resource) {
   cairo_set_line_width(context_resource, 1.0);
-  // cairo_set_source_rgb (context_resource, 0.0, 0.0, 0.0);
-  cairo_set_source_rgb (context_resource, 1.0, 1.0, 1.0);
+  cairo_set_source_rgb (context_resource, 0.0, 0.0, 0.0);
+  // cairo_set_source_rgb (context_resource, 1.0, 1.0, 1.0);
   cairo_move_to(context_resource, _x[0], _y[0]);
   for(int n = 0; n < _nb_vertices; n++) {
     cairo_line_to(context_resource, _x[n], _y[n]);
diff --git a/universe.cc b/universe.cc
index b0c28dd..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;
diff --git a/universe.h b/universe.h
index f87f112..a9f55d7 100644
--- a/universe.h
+++ b/universe.h
@@ -22,15 +22,15 @@
 using namespace std;
 
 class Universe {
-  scalar_t _xmax, _ymax;
+  scalar_t _width, _height;
 public:
   int _nb_max_polygons, _nb_polygons;
   Polygon **_polygons;
 
-  inline scalar_t width() { return _xmax; }
-  inline scalar_t height() { return _ymax; }
+  inline scalar_t width() { return _width; }
+  inline scalar_t height() { return _height; }
 
-  Universe(int nb_max_polygons, scalar_t xmax, scalar_t ymax);
+  Universe(int nb_max_polygons, scalar_t width, scalar_t height);
   // The destructor deletes all the added polygons
   ~Universe();
 
-- 
2.39.5