revised

ynaoto · Jul 26, 2014 · 898a8e1 · 898a8e1
1 parent a6a3692
commit 898a8e1
Showing 1 changed file with 16 additions and 49 deletions.
diff --git a/processing/Mandelbrot/Mandelbrot.pde b/processing/Mandelbrot/Mandelbrot.pde
@@ -1,5 +1,3 @@
-import java.util.concurrent.*;
-
 PVector p0start = new PVector(-2.5, -1);
 PVector p1start = new PVector(1, 1);
 
@@ -18,57 +16,26 @@ void setup() {
 }
 
 void draw() {
-  /*
   for (int py = 0; py < height; py++) {
-   for (int px = 0; px < width; px++) {
-   PVector p0 = PVector.lerp(p0start, p0end, 1-t);
-   PVector p1 = PVector.lerp(p1start, p1end, 1-t);
-   float x0 = map(px, 0, width, p0.x, p1.x);
-   float y0 = map(py, height, 0, p0.y, p1.y);
-   float x = 0, y = 0;
-   int itr;
-   for (itr = 0; itr < max_iteration; itr++) {
-   float x2 = x*x, y2 = y*y;
-   if (4 < x2 + y2) {
-   break;
-   }
-   float xy = x*y;
-   x = x2 - y2 + x0;
-   y = 2*xy + y0;
-   }
-   pixels[py*width + px] = color(itr, 1, 1);
-   }
-   }
-   */
-  ForkJoinPool pool = new ForkJoinPool();
-  for (int ppy = 0; ppy < height; ppy++) {
-    final int py = ppy;
-    pool.submit(new Runnable() {
-      @Override
-        public void run() {
-        for (int px = 0; px < width; px++) {
-          PVector p0 = PVector.lerp(p0start, p0end, 1-t);
-          PVector p1 = PVector.lerp(p1start, p1end, 1-t);
-          float x0 = map(px, 0, width, p0.x, p1.x);
-          float y0 = map(py, height, 0, p0.y, p1.y);
-          float x = 0, y = 0;
-          int itr;
-          for (itr = 0; itr < max_iteration; itr++) {
-            float x2 = x*x, y2 = y*y;
-            if (4 < x2 + y2) {
-              break;
-            }
-            float xy = x*y;
-            x = x2 - y2 + x0;
-            y = 2*xy + y0;
-          }
-          pixels[py*width + px] = color(itr, 1, 1);
+    for (int px = 0; px < width; px++) {
+      PVector p0 = PVector.lerp(p0start, p0end, 1-t);
+      PVector p1 = PVector.lerp(p1start, p1end, 1-t);
+      float x0 = map(px, 0, width, p0.x, p1.x);
+      float y0 = map(py, height, 0, p0.y, p1.y);
+      float x = 0, y = 0;
+      int itr;
+      for (itr = 0; itr < max_iteration; itr++) {
+        float x2 = x*x, y2 = y*y;
+        if (4 < x2 + y2) {
+          break;
         }
+        float xy = x*y;
+        x = x2 - y2 + x0;
+        y = 2*xy + y0;
       }
-    });
+      pixels[py*width + px] = color(itr, 1, 1);
+    }
   }
-  pool.shutdown();
-  pool.awaitTermination(10, TimeUnit.SECONDS);
   updatePixels();
   t *= 0.9;
 }