Update.

diff --git a/generate.cc b/generate.cc
index 73da00d..f851694 100644 (file)
--- a/generate.cc
+++ b/generate.cc
@@ -18,6 +18,7 @@
 #include <stdint.h>
 #include <errno.h>
 #include <string.h>
+#include <sys/stat.h>
 
 using namespace std;
 
@@ -39,10 +40,13 @@ void generate_png(Universe *universe, scalar_t scale, FILE *file) {
 }
 
 int main(int argc, char **argv) {
-  scalar_t world_width = 400;
-  scalar_t world_height = 400;
-  scalar_t grab_start_x = world_width * 0.5;
-  scalar_t grab_start_y = world_height * 0.75;
+  const scalar_t world_width = 400;
+  const scalar_t world_height = 400;
+  const scalar_t grab_start_x = world_width * 0.5;
+  const scalar_t grab_start_y = world_height * 0.75;
+  const int nb_blocks = 1;
+  const scalar_t block_size = 80;
+  const int nb_iterations = 250;
 
   Universe *universe;
   Polygon *grabbed_polygon;
@@ -67,7 +71,7 @@ int main(int argc, char **argv) {
   universe = new Universe(10, world_width, world_height);
 
   for(int n = 0; n < nb_pairs; n++) {
-    cout << "Example " << n << endl;
+    if(n%1000 == 0) { cout << "Example #" << n+1 << endl; }
 
     do {
       universe->clear();
@@ -75,33 +79,31 @@ int main(int argc, char **argv) {
       const int nb_attempts_max = 100;
       int nb_attempts = 0;
 
-      for(int u = 0; u < 10; u++) {
+      for(int u = 0; u < nb_blocks; u++) {
         Polygon *pol = 0;
 
         nb_attempts = 0;
 
         do {
-          scalar_t square_size = 80;
-
           scalar_t x[] = {
-            - square_size * 0.5,
-            + square_size * 0.5,
-            + square_size * 0.5,
-            - square_size * 0.5,
+            - block_size * 0.5,
+            + block_size * 0.5,
+            + block_size * 0.5,
+            - block_size * 0.5,
           };
 
           scalar_t y[] = {
-            - square_size * 0.5,
-            - square_size * 0.5,
-            + square_size * 0.5,
-            + square_size * 0.5,
+            - block_size * 0.5,
+            - block_size * 0.5,
+            + block_size * 0.5,
+            + block_size * 0.5,
           };
 
-          scalar_t delta = square_size / sqrt(2.0);
+          scalar_t delta = block_size / sqrt(2.0);
           scalar_t object_center_x = delta + (world_width - 2 * delta) * drand48();
           scalar_t object_center_y = delta + (world_height - 2 * delta) * drand48();
           scalar_t red, green, blue;
-          red = 0.90;
+          red = 1.00;
           green = red;
           blue = red;
           delete pol;
@@ -133,7 +135,13 @@ int main(int argc, char **argv) {
 
     {
       char buffer[1024];
-      sprintf(buffer, "%s/dyn_%06d_world_0.png", dir, n);
+      sprintf(buffer, "%s/%03d/", dir, n/1000);
+      mkdir(buffer, 0777);
+    }
+
+    {
+      char buffer[1024];
+      sprintf(buffer, "%s/%03d/dyn_%06d_world_0.png", dir, n/1000, n);
       FILE *file = fopen(buffer, "w");
       generate_png(universe, scaling, file);
       fclose(file);
@@ -157,7 +165,6 @@ int main(int argc, char **argv) {
       grab_trace.draw_polygon(1, n, xp, yp);
     }
 
-    const int nb_iterations = 250;
     scalar_t dt = 0.1;
     for(int i = 0; i < nb_iterations; i++) {
       scalar_t xf = grabbed_polygon->absolute_x(grab_relative_x, grab_relative_y);
@@ -183,17 +190,17 @@ int main(int argc, char **argv) {
 
     {
       char buffer[1024];
-      sprintf(buffer, "%s/dyn_%06d_world_1.png", dir, n);
+      sprintf(buffer, "%s/%03d/dyn_%06d_grab.png", dir, n/1000, n);
       FILE *file = fopen(buffer, "w");
-      generate_png(universe, scaling, file);
+      grab_trace.write_png(file);
       fclose(file);
     }
 
     {
       char buffer[1024];
-      sprintf(buffer, "%s/dyn_%06d_grab.png", dir, n);
+      sprintf(buffer, "%s/%03d/dyn_%06d_world_1.png", dir, n/1000, n);
       FILE *file = fopen(buffer, "w");
-      grab_trace.write_png(file);
+      generate_png(universe, scaling, file);
       fclose(file);
     }
   }