.idea/misc.xml

-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="FrameworkDetectionExcludesConfiguration">
-    <file type="web" url="file://$PROJECT_DIR$" />
-  </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_16" default="true" project-jdk-name="corretto-16" project-jdk-type="JavaSDK">
-    <output url="file://$PROJECT_DIR$/out" />
-  </component>
-</project>
\ No newline at end of file

.idea/vcs.xml

-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$" vcs="Git" />
-  </component>
-</project>
\ No newline at end of file

src/main/java/App.java

@@ -9,8 +9,6 @@ import javafx.stage.Stage;
 import java.util.concurrent.ScheduledThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
 
-import static java.lang.Thread.sleep;
-
 
 public class App extends Application {
 
@@ -21,7 +19,7 @@ public class App extends Application {
     }
 
     @Override
-    public void start(Stage primaryStage) throws InterruptedException {
+    public void start(Stage primaryStage) {
         Group root = new Group();
         Button restart = new Button("Restart");
         Button switchPause = new Button("Pause");
@@ -41,14 +39,11 @@ public class App extends Application {
         grid.repaint();
 
         ScheduledThreadPoolExecutor threadPoolExecutor = new ScheduledThreadPoolExecutor(1);
-        threadPoolExecutor.scheduleWithFixedDelay(new Runnable() {
-            @Override
-            public void run() {
+        threadPoolExecutor.scheduleAtFixedRate(() -> {
             if(!isInPause) {
                 grid.model.activation();
                 grid.repaint();
             }
-            }
         }, 0, 50 , TimeUnit.MILLISECONDS);
     }
 }

src/main/java/Grid.java

 import javafx.scene.canvas.Canvas;
-import javafx.scene.canvas.GraphicsContext;
 import javafx.scene.input.MouseEvent;
 import javafx.scene.paint.Color;
 
 public class Grid extends Canvas{
-    int width, height, colCount, rowCount;
+    double width;
+    double height;
+    double colCount;
+    double rowCount;
     Model model;
 
 
@@ -29,9 +31,6 @@ public class Grid extends Canvas{
     private void mousePressed(MouseEvent mouseEvent) {
         model.activation();
         repaint();
-            /*double x = mouseEvent.getX();
-            double y = mouseEvent.getY();
-            model.click((int)x*rowCount/height,(int)y*colCount/width);*/
     }
 
     void repaint(){
@@ -49,7 +48,7 @@ public class Grid extends Canvas{
 
     public void paintFF(int row, int col) {
         getGraphicsContext2D().setFill(Color.BLUE);
-        getGraphicsContext2D().fillRect(row*height/rowCount,col*width/colCount,height/rowCount,width/colCount);
+        getGraphicsContext2D().fillOval(row*height/rowCount,col*width/colCount,height/rowCount,width/colCount);
     }
 
     public void paintFire(int row, int col) {

src/main/java/Model.java

@@ -3,7 +3,8 @@ import java.util.*;
 
 public class Model {
   Grid grid;
-    int colCount, rowCount;
+  double colCount;
+  double rowCount;
   List<Position> firefighters = new ArrayList<>();
   Set<Position> fires = new HashSet<>();
   List<Position> ffNewPositions;
@@ -44,8 +45,8 @@ public class Model {
       }
       for (Position newFire : newFires)
         grid.paintFire(newFire.row, newFire.col);
-
-            fires.addAll(newFires);}
+      fires.addAll(newFires);
+    }
     step++;
 
   }
@@ -55,10 +56,8 @@ public class Model {
   }
 
 
-
   private Position activateFirefighter(Position position) {
     Position randomPosition = aStepTowardFire(position);
-                //next(position).get((int) (Math.random()*next(position).size()));
     List<Position> nextFires = next(randomPosition).stream().filter(fires::contains).toList();
     extinguish(randomPosition);
     for (Position fire : nextFires)
@@ -101,5 +100,6 @@ public class Model {
     return position;
   }
 
-    public record Position(int row, int col){}
+  public record Position(int row, int col) {
+  }
 }
\ No newline at end of file