diff --git a/cs677/final/FatouComputation.cc b/cs677/final/FatouComputation.cc
index ca9b1ed..29afaf9 100644
--- a/cs677/final/FatouComputation.cc
+++ b/cs677/final/FatouComputation.cc
@@ -8,6 +8,8 @@
 #define CLOSE_ENOUGH(z, x, y) \
     (fabs(creal(z) - (x)) < LEEWAY && fabs(cimag(z) - (y)) < LEEWAY)
 
+static unsigned int colors[] = {0xFF0000, 0x00FF00, 0x0000FF};
+
 unsigned int FatouComputation::compute(double x, double y)
 {
     double complex z = 0.1;
@@ -18,7 +20,7 @@ unsigned int FatouComputation::compute(double x, double y)
         z = p * (1 - z) * z;
         if (cabs(z) > 2.0)
         {
-            return 0xFF * ((double) iter / (double) ITERATIONS);
+            return colors[iter % (sizeof(colors)/sizeof(colors[0]))];
         }
     }
     return 0;
diff --git a/cs677/final/mpi-fractals.cc b/cs677/final/mpi-fractals.cc
index 2bfa625..256ed99 100644
--- a/cs677/final/mpi-fractals.cc
+++ b/cs677/final/mpi-fractals.cc
@@ -107,17 +107,17 @@ int main(int argc, char * argv[])
                 case SDL_MOUSEBUTTONDOWN:
                     switch (event.button.button)
                     {
-                        case 1:         /* left-click to re-center */
-                            x_center = getXVirt(event.button.x);
-                            y_center = getYVirt(event.button.y);
-                            redraw = true;
-                            break;
-                        case 3:         /* re-center AND zoom in */
+                        case 1:         /* left-click to re-center and zoom in */
                             x_center = getXVirt(event.button.x);
                             y_center = getYVirt(event.button.y);
                             zoom /= 2.0;
                             redraw = true;
                             break;
+                        case 2:         /* middle click just to re-center */
+                            x_center = getXVirt(event.button.x);
+                            y_center = getYVirt(event.button.y);
+                            redraw = true;
+                            break;
                         case 4:         /* zoom in */
                             zoom /= 2.0;
                             redraw = true;