diff --git a/lib/src/Simulation.dart b/lib/src/Simulation.dart
index bfdfa2c..8342d7c 100644
--- a/lib/src/Simulation.dart
+++ b/lib/src/Simulation.dart
@@ -43,19 +43,17 @@ class Simulation {
     _dispersal = dispersal ?? 10;
     int cx = x ?? rng.nextInt(map.width ~/ 3) + (map.width ~/ 3);
     int cy = y ?? rng.nextInt(map.height ~/ 3) + (map.height ~/ 3);
-    switch (pattern) {
-      default:
-        int sanityCheck = 0;
-        for (var i = 0; i < (_amount); i++) {
-          sanityCheck++;
-          getCellState(cx, cy)
-              ? i--
-              : setCellState(cx + rng.nextInt(_dispersal),
-                  cy + rng.nextInt(_dispersal), true);
-          if (sanityCheck > 100 && sanityCheck > i * 3) break;
-        }
-        break;
+
+    int sanityCheck = 0;
+    for (var i = 0; i < (_amount); i++) {
+      sanityCheck++;
+      getCellState(cx, cy)
+          ? i--
+          : setCellState(
+              cx + rng.nextInt(_dispersal), cy + rng.nextInt(_dispersal), true);
+      if (sanityCheck > 100 && sanityCheck > i * 3) break;
     }
+
     _dirty = true;
   }