Added Some Sounds

Coin.java

@@ -24,6 +24,7 @@ public Coin() {
      */
     public void act() {
         if (isTouching(Player.class)) {
+            playCollected();
             getWorld().removeObject(this);
             Level.addToTotalCoin();
         }

Collection.java

@@ -8,6 +8,9 @@
  */
 public class Collection extends SuperSmoothMover
 {
+    protected GreenfootSound collected = new GreenfootSound("kaching.mp3");
+    protected static GreenfootSound[] collectedSound;
+    protected static int collectedSoundIndex;
     /**
      * Act - do whatever the Collection wants to do. This method is called whenever
      * the 'Act' or 'Run' button gets pressed in the environment.
@@ -16,4 +19,26 @@ public void act()
     {
         // Add your action code here.
     }
+
+    /** Plays collected sound */
+    protected void playCollected() {
+        collectedSound[collectedSoundIndex].setVolume(50);
+        collectedSound[collectedSoundIndex].play();
+        collectedSoundIndex++;
+        if (collectedSoundIndex >= collectedSound.length) {
+          collectedSoundIndex = 0;
+        }
+    }
+
+      /** Pre-loads sounds for collected up From Mr.Cohen's Demo Tutorial */
+    protected static void init() {
+        collectedSoundIndex = 0;
+        collectedSound = new GreenfootSound[48];
+        for (int i = 0; i < collectedSound.length; i++) {
+          collectedSound[i] = new GreenfootSound("kaching.mp3");
+          collectedSound[i].play();
+          Greenfoot.delay(1);
+          collectedSound[i].stop();
+        }
+    } 
 }

Crown.java

@@ -23,6 +23,7 @@ public Crown() {
      */
     public void act() {
         if (isTouching(Player.class)){
+            playCollected();
             getWorld().removeObject(this);
             Level.addCrown();
         }

EndScreen.java

@@ -68,4 +68,12 @@ private void checkKeys() {
             Greenfoot.setWorld(title);
         }
     }
+
+    public void stopped() {
+        TitleScreen.stopBGM();
+    }
+
+    public void started() {
+        TitleScreen.playBGM();
+    }
 }

GameOverScreen.java

@@ -56,4 +56,12 @@ private void checkKeys() {
             Greenfoot.setWorld(title);
         }
     }
+
+    public void stopped() {
+        TitleScreen.stopBGM();
+    }
+
+    public void started() {
+        TitleScreen.playBGM();
+    }
 }

Level.java

@@ -25,6 +25,7 @@ public class Level extends World {
     protected SuperDisplayLabel coinLabel = new SuperDisplayLabel(Color.BLACK, Color.WHITE, font);
     protected Button saveButton = new Button();
     private Orb orb;
+    private static GreenfootSound orbSound = new GreenfootSound("levelup.wav");
 
     /**
      * Constructor
@@ -34,6 +35,7 @@ public Level() {
         saveButtonImage.scale(150, 60);
         saveButton.setImage(saveButtonImage);
         setPaintOrder(Button.class, SuperDisplayLabel.class, Tile.class);
+        Collection.init();
     }
 
     /**
@@ -85,6 +87,7 @@ public void spawnFloor(ImgScroll sc) {
      */
     public void checkNext() {
         if (orb.isBeingTouched()) {
+            orbSound.play();
             if (level == 0) {
                 levelUp();
                 Level1 world = new Level1();

Level0.java

@@ -39,4 +39,12 @@ public void act() {
         checkSaveButton();
         checkNext();
     }
+
+    public void stopped() {
+        TitleScreen.stopBGM();
+    }
+
+    public void started() {
+        TitleScreen.playBGM();
+    }
 }

Level1.java

@@ -45,4 +45,12 @@ private void loseLife() {
             setHP(totalHP - 5);
         }
     }
+
+    public void stopped() {
+        TitleScreen.stopBGM();
+    }
+
+    public void started() {
+        TitleScreen.playBGM();
+    }
 }

LoadSettings.java

@@ -96,4 +96,12 @@ public int[] loadSave() {
         }
         return options;
     }
+
+    public void stopped() {
+        TitleScreen.stopBGM();
+    }
+
+    public void started() {
+        TitleScreen.playBGM();
+    }
 }

Player.java

@@ -21,10 +21,12 @@ public class Player extends Actor {
     private boolean right, left, down, up, walking, isWaiting; 
     private int directionx, directiony; 
     protected int animIndex, animDelay, animCounter;
+    private GreenfootSound death = new GreenfootSound("death.mp3");
 
     public Player() {
         hp = 5;
         dmg = 1;
+        death.setVolume(100);
 
         R = new GreenfootImage[9];
         L = new GreenfootImage[9];
@@ -161,6 +163,7 @@ private void boundary() {
             setLocation(getX(), 0);
         }
         if (getY() > w.getHeight()) {
+            changeHP(-6);
             setLocation(getX(), 0);
         }
     }
@@ -207,6 +210,7 @@ private void animate(){
 
     private void checkHP() {
         if (hp <= 0) {
+            death.play();
             Greenfoot.setWorld(new GameOverScreen());
         }
     }

TitleScreen.java

@@ -20,6 +20,8 @@ public class TitleScreen extends World
     private Button loadGame = new Button();
     private GreenfootImage loadImage = new GreenfootImage("loadGameImage.png");
 
+    private static GreenfootSound bgm = new GreenfootSound("bgm.mp3");
+
     /**
      * Constructor for objects of class TitleScreen.
      * 
@@ -44,6 +46,9 @@ public TitleScreen()
         // Load Button
         loadGame.setImage(loadImage);
         addObject(loadGame, 640, 450);
+
+        // Background Music
+        bgm.setVolume(30);
     }
 
     public void act(){
@@ -60,4 +65,24 @@ public void checkPressed(){
             Greenfoot.setWorld(world);
         }
     }
+
+    /** Play background music if world has started */
+    public void started() {
+         bgm.playLoop();
+    }
+
+    /** Pause background music if world has stopped */
+    public void stopped() {
+        bgm.pause();
+    }
+
+    /** Method to stop background music from any world */
+    public static void stopBGM() {
+        bgm.pause();
+    }
+
+    /** Method to play background music from any world */
+    public static void playBGM() {
+        bgm.playLoop();
+    }
 }