diff --git a/lib/src/Grid.dart b/lib/src/Grid.dart
index f188ae9..5649c6b 100644
--- a/lib/src/Grid.dart
+++ b/lib/src/Grid.dart
@@ -25,7 +25,7 @@ class Grid {
     print("Grid creation finished");
   }
 
-  void startingPattern({Pattern pattern, int x, int y}) {
+  void startingPattern({Pattern pattern, int x, int y, int amount, int dispersal}) {
     math.Random rng = new math.Random();
     int cx = x ?? rng.nextInt(w~/3) + (w~/3);
     int cy = y ?? rng.nextInt(h~/3) + (h~/3);
@@ -56,8 +56,8 @@ class Grid {
         setCellState(0 + cx, 2 + cy, true);
         break;
       default:
-        for (var i = 0; i < rng.nextInt(20); i++) {
-          setCellState(cx + rng.nextInt(10), cy + rng.nextInt(10), true);
+        for (var i = 0; i < amount ?? rng.nextInt(20); i++) {
+          setCellState(cx + dispersal ?? rng.nextInt(10), cy + dispersal ?? rng.nextInt(10), true);
         }
         break;
     }