Bitmap/Midpoint circle algorithm: Difference between revisions

Content added Content deleted

Inline

@@ Line 444: / Line 444: @@
 {
     int f = 1 - radius;
-    int ddF_x = 1;
+    int ddF_x = 0;
     int ddF_y = -2 * radius;
     int x = 0;
@@ Line 464: / Line 464: @@
         x++;
         ddF_x += 2;
-        f += ddF_x;
+        f += ddF_x + 1;
         plot(x0 + x, y0 + y);
         plot(x0 - x, y0 + y);