diff --git a/src/components/CanvasBoard.vue b/src/components/CanvasBoard.vue
index 1eedb8f..1de00d2 100644
--- a/src/components/CanvasBoard.vue
+++ b/src/components/CanvasBoard.vue
@@ -111,19 +111,19 @@
 
   // draw 2D automaton on the canvas in a loop
   const draw2d = (board) => {
-    store.board.grid = Object.freeze(evolve2d(board.grid, selectedRules()));
     drawCanvas(store.board);
+    const newBoard = Object.freeze(evolve2d(board.grid, selectedRules()));
+    if (store.board.grid == newBoard) store.toggleStop();
+    store.board.grid = newBoard;
   };
 
   // draw 2d automaton in a loop, starting from passed state
   const draw2dNext = async (board) => {
     setTimeout(() => {
-      requestAnimationFrame(() => {
-        if (!store.canDraw) return;
-        draw2d(board);
-        return draw2dNext(store.board);
-      });
-    }, store.refreshRate);
+      if (!store.canDraw) return;
+      draw2d(board);
+      return draw2dNext(store.board);
+    }, store.renderer.refreshRate);
   };
 
   // draw 2d automaton from a new state