Added shoot sound and explosion sound.

gulpfile.js

@@ -25,7 +25,7 @@ gulp.task('minify', function() {
 });
 
 gulp.task('zip', ['minify'], function() {
-    return gulp.src(['g.js', 'index.html', 'assets/*.png'], { base: './' })
+    return gulp.src(['g.js', 'index.html', 'assets/*.png', 'assets/*.mp3'], { base: './' })
         .pipe(zip('AquaticBeastForce.zip'))
         .pipe(filesize())
         .pipe(gulp.dest('dist'));

lib/enemy.js

@@ -31,6 +31,7 @@ Enemy.prototype.update = function(controls, deltaT) {
             if(this.shootTimer <= 0.0) {
                 new Projectile(this.x, this.y, this.rotation, true);
                 this.shootTimer += 0.5;
+                playSound(shootSound);
             }
 
             this.shootTimer -= deltaT;

lib/explosion.js

@@ -5,6 +5,7 @@ var Explosion = function(x, y) {
     this.frameTimer = 1/12;
 
     backgroundLayer.push(this);
+    playSound(explosionSound);
 }
 
 Explosion.prototype.update = function(controls, deltaT) {

lib/main.js

@@ -9,6 +9,16 @@ var healthTimer = 0;
 var gameOverTimer = 0.5;
 var enemyCountdown = 10;
 
+var shootSound;
+var explosionSound;
+var audioContext;
+
+try {
+    window.AudioContext = window.AudioContext || window.webkitAudioContext;
+    var audioContext = new AudioContext();
+    loadSounds();
+} catch(e) {}
+
 entities.push(player);
 placeRandomEnemy();
 
@@ -73,4 +83,37 @@ function resetGame() {
 
     entities.push(player);
     placeRandomEnemy();
+}
+
+function loadSounds() {
+    var shootRequest = new XMLHttpRequest();
+    shootRequest.open('GET', 'assets/shoot.mp3', true);
+    shootRequest.responseType = 'arraybuffer';
+
+    // Decode asynchronously
+    shootRequest.onload = function() {
+        audioContext.decodeAudioData(shootRequest.response, function(buffer) {
+            shootSound = buffer;
+        }, function() { });
+    }
+    shootRequest.send();
+
+    var explosionRequest = new XMLHttpRequest();
+    explosionRequest.open('GET', 'assets/explosion.mp3', true);
+    explosionRequest.responseType = 'arraybuffer';
+
+    // Decode asynchronously
+    explosionRequest.onload = function() {
+        audioContext.decodeAudioData(explosionRequest.response, function(buffer) {
+            explosionSound = buffer;
+        }, function() { });
+    }
+    explosionRequest.send();
+}
+
+function playSound(buffer) {
+    var source = audioContext.createBufferSource();
+    source.buffer = buffer;
+    source.connect(audioContext.destination);
+    source.start(0);
 }

lib/player.js

@@ -89,6 +89,7 @@ Player.prototype.shoot = function(deltaT) {
 
         // Shoot maybe?
         new Projectile(this.x, this.y, this.rotation, false);
+        playSound(shootSound);
 
         this.shots--;
     }