diff --git a/lib/src/Simulation.dart b/lib/src/Simulation.dart
index 0955c9a..6a5e3bd 100644
--- a/lib/src/Simulation.dart
+++ b/lib/src/Simulation.dart
@@ -14,8 +14,7 @@ class Simulation {
 
   RuleSet rules = GameOfLife();
 
-  bool _dirty = true;
-  bool get dirty => _dirty;
+  bool dirty = true;
 
   bool _renderEdges = true;
   bool get renderEdges => _renderEdges;
@@ -38,8 +37,8 @@ class Simulation {
 
   Grid<bool> reset([Grid<bool> map]) {
     map ??= this.map;
-    _dirty = true;
-    map.setAll(0, List.filled(map.length, false));
+//    dirty = true;
+//    map.setAll(0, List.filled(map.length, false));
     return map;
   }
 
@@ -61,7 +60,7 @@ class Simulation {
       if (sanityCheck > 100 && sanityCheck > i * 3) break;
     }
 
-    _dirty = true;
+    dirty = true;
   }
 
   void setCellState(int x, int y, bool state) {
@@ -91,7 +90,7 @@ class Simulation {
 
   void mergeStateChanges(Map<int, bool> stateChanges) {
     stateChanges.forEach((i, el) => map[i] = el);
-    if (stateChanges.length != 0) _dirty = true;
+    if (stateChanges.length != 0) dirty = true;
   }
 
   Map<int, bool> calculateNextState(Grid<bool> oldState) {
@@ -127,7 +126,7 @@ class Simulation {
 
   void render(html.CanvasElement canvas, [num interp]) {
     // only renders if any cells changed between renders
-    if (!_dirty) return;
+    if (!dirty) return;
 
     html.CanvasRenderingContext2D ctx = canvas.getContext('2d');
     int brickW = (canvas.width ~/ map.width);
@@ -146,18 +145,18 @@ class Simulation {
         ctx.setFillColorRgb(0, 0, 0);
       ctx.fillRect(p.x * brickW, p.y * brickH, brickW, brickH);
     }
-    _dirty = false;
+    dirty = false;
   }
 
   void set renderEdges(bool on) {
     _renderEdges = on;
-    _dirty = true;
+    dirty = true;
   }
 
   void saveSnapshot() => _snapshot = Grid.from(map);
   Grid<bool> loadSnapshot() {
     map = Grid.from(_snapshot);
-    _dirty = true;
+    dirty = true;
     return map;
   }
 }