animations are no longer all in sync

src/js/snek.js

@@ -134,6 +134,9 @@ class SnekGame {
 			cellSize,
 			cellSize
 		);
+		const putTileAnim=(x, y, tile) => putTile(x, y, tile[
+			Math.floor(Date.now()/1000*60+x+y)%tile.length
+		]);
 		const checkAdj=(x, y) => {
 			let adj={};
 			adj.u=this.world[x][y-1];
@@ -154,7 +157,7 @@ class SnekGame {
 						break;
 
 					case FIRE:
-						putTile(x, y, fire[Math.floor(Date.now()/1000*60)%60]);
+						putTileAnim(x, y, fire);
 						break;
 
 					case HOLE: