pong3.js

/**
 * Classic Atari PONG!
 * @author Rob Taylor <[email protected]>
 * @date 15/11/2011
 */
define([
    'jquery-1'
], function ($) {

    var Pong = function () {
    };

    Pong.prototype = {
        _ticker: null,
        _container: null,
        
        _options: {
            // gameSpeed: 20, // 50 FPS
            // gameSpeed: 17, // 60 FPS
            gameSpeed: 14,  // 70 FPS
            sounds: {
                start: false,
                score: false,
                paddleImpact: false,
                wallImpact: false,
                win: false,
                loose: false
            }
        },

        _soundFx: {
            _muted: false,

            _store: {
                start: function () {
                    return this._soundFx._store.start = new Audio(this._options.sounds.start);
                }
                // start: (this._options.sounds.start ? new Audio(this._options.sounds.start) : false),
                // score: (this._options.sounds.score ? new Audio(this._options.sounds.score) : false),
                // paddleImpact: (this._options.sounds.paddleImpact ? new Audio(this._options.sounds.paddleImpact) : false),
                // wallImpact: (this._options.sounds.wallImpact ? new Audio(this._options.sounds.wallImpact) : false),
                // win: (this._options.sounds.win ? new Audio(this._options.sounds.win) : false),
                // loose: (this._options.sounds.loose ? new Audio(this._options.sounds.loose) : false)
            },

            mute: function () {
                this._soundFx._muted = !this._soundFx._isMuted;
            },

            play: function (sound) {
                if (!this._soundFx._muted && this._soundFx._store[sound] && this._soundFx._store[sound].canPlayType) {
                    this._soundFx._store[sound].play();
                }
            }
        },

        _update: function () {
            window.console.count('tick');
        },
        
        _moveBall: function () {
        },
        
        _movePlayer1: function () {
        },
        
        _movePlayer2: function () {
        },
        
        _updateScore: function () {
        },

        attachTo: function (container) {
            this._container = $(container);
        },

        start: function () {
            this._ticker = window.setInterval(this._update, this._options.gameSpeed);
        },
        
        stop: function () {
            window.clearInterval(this._ticker);
        },
        
        togglePause: function () {
            if (this._ticker) {
                window.clearInterval(this._ticker);
            } else {
                this._ticker = window.setInterval(this._update, this._options.gameSpeed);
            }
        }
    };

    return Pong;
});

var pong = new Pong();
pong._soundFX._store.start(); // <-- in here, what's "this"?