audio.js

/* global me, game */

// Audio manager, managing sound for the game
/* ----------------------------------------------------------------- */
(function () {
    audioManager = {
        init: function () {
            // initialize the 'sound engine', giving 'mp3' and 'ogg' as desired audio format
            // i.e. on Safari, the loader will load all audio.mp3 files,
            // on Opera the loader will however load audio.ogg files
            audioManager.playBackgroundMusic(true);
        },

        playBackgroundMusic: function (enabled) {
            if (enabled) {
                me.audio.playTrack('backgroundmusic1', 0.5 * game.data.volume);
            } else if (enabled === false) {
                me.audio.stopTrack();
            } else {
                me.audio.playTrack('backgroundmusic1', 0.5 * game.data.volume);
            }
        },

        switchMusic: function () {
            if (me.audio.getCurrentTrack() !== null) {
                audioManager.playBackgroundMusic(false);
                document.getElementById('musicSwitch').textContent = 'ENABLE MUSIC';
            } else {
                audioManager.playBackgroundMusic(true);
                document.getElementById('musicSwitch').textContent = 'DISABLE MUSIC';
            }
        },

        switchMute: function () {
            if (document.getElementById('soundSwitch').textContent === 'DISABLE SOUND') {
                me.audio.disable();
                document.getElementById('soundSwitch').textContent = 'ENABLE SOUND';
            } else {
                me.audio.enable();
                audioManager.playBackgroundMusic(true);
                document.getElementById('soundSwitch').textContent = 'DISABLE SOUND';
            }
        },

        playSound: function (effect) {
            // shoot, death, powerup, hit, explosion
            switch (effect) {
                case 'shoot':
                    me.audio.play('shoot', false, null, game.data.volume);
                    break;
                case 'death':
                    me.audio.play('death', false, null, game.data.volume);
                    break;
                case 'powerup':
                    me.audio.play('powerup', false, null, game.data.volume);
                    break;
                case 'hit':
                    me.audio.play('hit', false, null, game.data.volume);
                    break;
                case 'explosion':
                    me.audio.play('explosion', false, null, game.data.volume);
                    break;
                default:
                    break;
            }
        }
    };
})();