Added sound effects

src/Engine/GameEngine.java

@@ -30,9 +30,9 @@ public class GameEngine extends MouseAdapter {
 	private BufferedImage sceneImage;
 
 	private Vector<SideScollerBackground> backgrounds;
+	private Vector<AudioClip> successSounds;
 
-	private AudioClip themeAudioClip, jumpAudioClip;
+	private AudioClip themeAudioClip;
-	private final URL jumpURL= getClass().getResource("/Sounds/jump.wav");
 	private final URL themeURL= getClass().getResource("/Sounds/theme.wav");
 
 	public GameEngine(int width, int height){
@@ -45,10 +45,8 @@ public class GameEngine extends MouseAdapter {
 		this.pWidth = width;
 		this.pHeight = height;
 		try {
-			jumpAudioClip = Applet.newAudioClip(jumpURL);
 			themeAudioClip = Applet.newAudioClip(themeURL);
 		}catch (Exception e){
-			jumpAudioClip = null;
 			themeAudioClip = null;
 		}
 
@@ -56,6 +54,7 @@ public class GameEngine extends MouseAdapter {
 			themeAudioClip.loop();
 		r = new Random();
 		sceneImage = new BufferedImage(width, height, Image.SCALE_SMOOTH);
+		loadSuccessSounds();
 		startNewGame();
 
 
@@ -88,6 +87,13 @@ public class GameEngine extends MouseAdapter {
 
 	}
 
+	private void loadSuccessSounds(){
+		successSounds = new Vector<>();
+		for (int i = 1 ; i < 5 ; i++){
+			successSounds.add(Applet.newAudioClip(getClass().getResource("/Sounds/pass"+i+".wav")));
+		}
+	}
+
 	private void initBackgrounds(){
 		backgrounds.add(new SideScollerBackground(pWidth, pHeight, 2, "skyLine.png", pWidth, pHeight));
 		backgrounds.add(new SideScollerBackground(pWidth, pHeight, 5, "trees.png", pWidth + 50, pHeight));
@@ -172,6 +178,7 @@ public class GameEngine extends MouseAdapter {
 		if(canScore && !pipes.isEmpty() && bird.getLocX() >= pipes.elementAt(0).getLocX() + pipes.elementAt(0).getSWidth()) {
 			score++;
 			canScore = false;
+			successSounds.elementAt(r.nextInt(5)).play();
 		}
 
 	}
@@ -224,7 +231,6 @@ public class GameEngine extends MouseAdapter {
 			initGame();
 		} else {
 			bird.jump();
-			jumpAudioClip.play();
 		}
 	}