unmute and demute

src/main/java/engine/Kernel.java

@@ -212,5 +212,9 @@ public class Kernel {
         return physicEngine.isCollision;
     }
 
+    public void muteSoundEngine(){
+        soundEngine.mute();
+    }
+
 
 }

src/main/java/engine/sound/SoundEngine.java

@@ -19,6 +19,7 @@ public class SoundEngine implements Engine {
     public SoundEngine() {
     }
     public void playMusic(String location){
+        if(isMuted) return;
         try {
             File musicPath = new File(location);
             if (musicPath.exists()) {
@@ -58,13 +59,10 @@ public class SoundEngine implements Engine {
         soundMap.put(soundPath, isPlaying);
     }
 
-    public void muteSoundEngine(){
-        isMuted = true;
+    public void mute(){
+        isMuted = !isMuted;
     }
 
-    public void unmuteSoundEngine(){
-        isMuted = false;
-    }
 
 
     @Override

src/main/java/pong/PongApp.java

@@ -46,7 +46,7 @@ public class PongApp {
         components.add(pongBall);
 
         Kernel kernel = new Kernel("Pong", width, height, components);
-        //kernel.playSound("src/main/resources/Sound/minecraft.wav");
+        kernel.playSound("src/main/resources/Sound/minecraft.wav");
         kernel.addSound("src/main/resources/Sound/hit_racket.wav", kernel.isItACollision());
         JButton button = new JButton("Restart");
         JButton button2 = new JButton("Mute");
@@ -65,7 +65,7 @@ public class PongApp {
             }
 
         });
-        button2.addActionListener(e -> SoundEngine.stopMusic());
+        button2.addActionListener(e -> kernel.muteSoundEngine());
         kernel.addButton(button); // Add a button to restart the game
         kernel.addButton(button2); // Add a button to mute the game
         //kernel.addLabel(muteLabel); // Add a button to mute the game

src/test/java/engine/physic/CartesianVectorTest.java

@@ -4,6 +4,9 @@ import org.junit.jupiter.api.Test;
 
 import static org.junit.jupiter.api.Assertions.*;
 
+/**
+ * Test class for the CartesianVector class.
+ */
 class CartesianVectorTest {
     @Test
     public void testAdd() {