howler.js

/*! howler.js v2.0.0-beta5 | (c) 2013-2015, James Simpson of GoldFire Studios | MIT License | howlerjs.com */
!function(){"use strict";function e(){try{"undefined"!=typeof AudioContext?n=new AudioContext:"undefined"!=typeof webkitAudioContext?n=new webkitAudioContext:o=!1}catch(e){o=!1}if(!o)if("undefined"!=typeof Audio)try{var u=new Audio;"undefined"==typeof u.oncanplaythrough&&(d="canplay")}catch(e){t=!0}else t=!0;try{var u=new Audio;u.muted&&(t=!0)}catch(e){}o&&(r="undefined"==typeof n.createGain?n.createGainNode():n.createGain(),r.gain.value=1,r.connect(n.destination))}var n=null,o=!0,t=!1,r=null,d="canplaythrough";e();var u=function(){this.init()};u.prototype={init:function(){var e=this||i;return e._codecs={},e._howls=[],e._muted=!1,e._volume=1,e.state="running",e.autoSuspend=!0,e._autoSuspend(),e.mobileAutoEnable=!0,e.noAudio=t,e.usingWebAudio=o,e.ctx=n,t||e._setupCodecs(),e},volume:function(e){var n=this||i;if(e=parseFloat(e),"undefined"!=typeof e&&e>=0&&1>=e){n._volume=e,o&&(r.gain.value=e);for(var t=0;t<n._howls.length;t++)if(!n._howls[t]._webAudio)for(var d=n._howls[t]._getSoundIds(),u=0;u<d.length;u++){var a=n._howls[t]._soundById(d[u]);a&&a._node&&(a._node.volume=a._volume*e)}return n}return n._volume},mute:function(e){var n=this||i;n._muted=e,o&&(r.gain.value=e?0:n._volume);for(var t=0;t<n._howls.length;t++)if(!n._howls[t]._webAudio)for(var d=n._howls[t]._getSoundIds(),u=0;u<d.length;u++){var a=n._howls[t]._soundById(d[u]);a&&a._node&&(a._node.muted=e?!0:a._muted)}return n},unload:function(){for(var o=this||i,t=o._howls.length-1;t>=0;t--)o._howls[t].unload();return o.usingWebAudio&&"undefined"!=typeof n.close&&(o.ctx=null,n.close(),e(),o.ctx=n),o},codecs:function(e){return(this||i)._codecs[e]},_setupCodecs:function(){var e=this||i,n=new Audio,o=n.canPlayType("audio/mpeg;").replace(/^no$/,""),t=/OPR\//.test(navigator.userAgent);return e._codecs={mp3:!(t||!o&&!n.canPlayType("audio/mp3;").replace(/^no$/,"")),mpeg:!!o,opus:!!n.canPlayType('audio/ogg; codecs="opus"').replace(/^no$/,""),ogg:!!n.canPlayType('audio/ogg; codecs="vorbis"').replace(/^no$/,""),wav:!!n.canPlayType('audio/wav; codecs="1"').replace(/^no$/,""),aac:!!n.canPlayType("audio/aac;").replace(/^no$/,""),m4a:!!(n.canPlayType("audio/x-m4a;")||n.canPlayType("audio/m4a;")||n.canPlayType("audio/aac;")).replace(/^no$/,""),mp4:!!(n.canPlayType("audio/x-mp4;")||n.canPlayType("audio/mp4;")||n.canPlayType("audio/aac;")).replace(/^no$/,""),weba:!!n.canPlayType('audio/webm; codecs="vorbis"').replace(/^no$/,""),webm:!!n.canPlayType('audio/webm; codecs="vorbis"').replace(/^no$/,"")},e},_enableMobileAudio:function(){var e=this||i,o=/iPhone|iPad|iPod|Android|BlackBerry|BB10|Silk/i.test(navigator.userAgent),t=!!("ontouchend"in window||navigator.maxTouchPoints>0||navigator.msMaxTouchPoints>0);if(!n||!e._mobileEnabled&&o&&t){e._mobileEnabled=!1;var r=function(){var o=n.createBuffer(1,1,22050),t=n.createBufferSource();t.buffer=o,t.connect(n.destination),"undefined"==typeof t.start?t.noteOn(0):t.start(0),t.onended=function(){t.disconnect(0),e._mobileEnabled=!0,e.mobileAutoEnable=!1,document.removeEventListener("touchend",r,!0)}};return document.addEventListener("touchend",r,!0),e}},_autoSuspend:function(){var e=this;if(e.autoSuspend&&n&&"undefined"!=typeof n.suspend&&o){for(var t=0;t<e._howls.length;t++)if(e._howls[t]._webAudio)for(var r=0;r<e._howls[t]._sounds.length;r++)if(!e._howls[t]._sounds[r]._paused)return e;return e._suspendTimer=setTimeout(function(){e.autoSuspend&&(e._suspendTimer=null,e.state="suspending",n.suspend().then(function(){e.state="suspended",e._resumeAfterSuspend&&(delete e._resumeAfterSuspend,e._autoResume())}))},3e4),e}},_autoResume:function(){var e=this;if(n&&"undefined"!=typeof n.resume&&o)return"running"===e.state&&e._suspendTimer?(clearTimeout(e._suspendTimer),e._suspendTimer=null):"suspended"===e.state?(e.state="resuming",n.resume().then(function(){e.state="running"})):"suspending"===e.state&&(e._resumeAfterSuspend=!0),e}};var i=new u,a=function(e){var n=this;return e.src&&0!==e.src.length?void n.init(e):void console.error("An array of source files must be passed with any new Howl.")};a.prototype={init:function(e){var t=this;return t._autoplay=e.autoplay||!1,t._ext=e.ext||null,t._html5=e.html5||!1,t._muted=e.mute||!1,t._loop=e.loop||!1,t._pool=e.pool||5,t._preload="boolean"==typeof e.preload?e.preload:!0,t._rate=e.rate||1,t._sprite=e.sprite||{},t._src="string"!=typeof e.src?e.src:[e.src],t._volume=void 0!==e.volume?e.volume:1,t._duration=0,t._loaded=!1,t._sounds=[],t._endTimers={},t._onend=e.onend?[{fn:e.onend}]:[],t._onfaded=e.onfaded?[{fn:e.onfaded}]:[],t._onload=e.onload?[{fn:e.onload}]:[],t._onloaderror=e.onloaderror?[{fn:e.onloaderror}]:[],t._onpause=e.onpause?[{fn:e.onpause}]:[],t._onplay=e.onplay?[{fn:e.onplay}]:[],t._onstop=e.onstop?[{fn:e.onstop}]:[],t._webAudio=o&&!t._html5,"undefined"!=typeof n&&n&&i.mobileAutoEnable&&i._enableMobileAudio(),i._howls.push(t),t._preload&&t.load(),t},load:function(){var e=this,n=null;if(t)return void e._emit("loaderror",null,"No audio support.");"string"==typeof e._src&&(e._src=[e._src]);for(var o=0;o<e._src.length;o++){var r,d;if(e._ext&&e._ext[o]?r=e._ext[o]:(d=e._src[o],r=/^data:audio\/([^;,]+);/i.exec(d),r||(r=/\.([^.]+)$/.exec(d.split("?",1)[0])),r&&(r=r[1].toLowerCase())),i.codecs(r)){n=e._src[o];break}}return n?(e._src=n,"https:"===window.location.protocol&&"http:"===n.slice(0,5)&&(e._html5=!0,e._webAudio=!1),new _(e),e._webAudio&&l(e),e):void e._emit("loaderror",null,"No codec support for selected audio sources.")},play:function(e){var o=this,t=arguments,r=null;if("number"==typeof e)r=e,e=null;else if("undefined"==typeof e){e="__default";for(var u=0,a=0;a<o._sounds.length;a++)o._sounds[a]._paused&&!o._sounds[a]._ended&&(u++,r=o._sounds[a]._id);1===u?e=null:r=null}var _=r?o._soundById(r):o._inactiveSound();if(!_)return null;if(r&&!e&&(e=_._sprite||"__default"),!o._loaded&&!o._sprite[e])return o.once("load",function(){o.play(o._soundById(_._id)?_._id:void 0)}),_._id;if(r&&!_._paused)return _._id;o._webAudio&&i._autoResume();var s=_._seek>0?_._seek:o._sprite[e][0]/1e3,l=(o._sprite[e][0]+o._sprite[e][1])/1e3-s,f=1e3*l/Math.abs(_._rate);f!==1/0&&(o._endTimers[_._id]=setTimeout(o._ended.bind(o,_),f)),_._paused=!1,_._ended=!1,_._sprite=e,_._seek=s,_._start=o._sprite[e][0]/1e3,_._stop=(o._sprite[e][0]+o._sprite[e][1])/1e3,_._loop=!(!_._loop&&!o._sprite[e][2]);var c=_._node;if(o._webAudio){var p=function(){o._refreshBuffer(_);var e=_._muted||o._muted?0:_._volume*i.volume();c.gain.setValueAtTime(e,n.currentTime),_._playStart=n.currentTime,"undefined"==typeof c.bufferSource.start?_._loop?c.bufferSource.noteGrainOn(0,s,86400):c.bufferSource.noteGrainOn(0,s,l):_._loop?c.bufferSource.start(0,s,86400):c.bufferSource.start(0,s,l),o._endTimers[_._id]||f===1/0||(o._endTimers[_._id]=setTimeout(o._ended.bind(o,_),f)),t[1]||setTimeout(function(){o._emit("play",_._id)},0)};o._loaded?p():(o.once("load",p),o._clearTimer(_._id))}else{var m=function(){c.currentTime=s,c.muted=_._muted||o._muted||i._muted||c.muted,c.volume=_._volume*i.volume(),c.playbackRate=_._rate,setTimeout(function(){c.play(),t[1]||o._emit("play",_._id)},0)};if(4===c.readyState||!c.readyState&&navigator.isCocoonJS)m();else{var v=function(){f!==1/0&&(o._endTimers[_._id]=setTimeout(o._ended.bind(o,_),f)),m(),c.removeEventListener(d,v,!1)};c.addEventListener(d,v,!1),o._clearTimer(_._id)}}return _._id},pause:function(e){var n=this;if(!n._loaded)return n.once("play",function(){n.pause(e)}),n;for(var o=n._getSoundIds(e),t=0;t<o.length;t++){n._clearTimer(o[t]);var r=n._soundById(o[t]);if(r&&!r._paused){if(r._seek=n.seek(o[t]),r._paused=!0,n._stopFade(o[t]),r._node)if(n._webAudio){if(!r._node.bufferSource)return n;"undefined"==typeof r._node.bufferSource.stop?r._node.bufferSource.noteOff(0):r._node.bufferSource.stop(0),r._node.bufferSource=null}else isNaN(r._node.duration)&&r._node.duration!==1/0||r._node.pause();arguments[1]||n._emit("pause",r._id)}}return n},stop:function(e){var n=this;if(!n._loaded)return"undefined"!=typeof n._sounds[0]._sprite&&n.once("play",function(){n.stop(e)}),n;for(var o=n._getSoundIds(e),t=0;t<o.length;t++){n._clearTimer(o[t]);var r=n._soundById(o[t]);if(r&&!r._paused){if(r._seek=r._start||0,r._paused=!0,r._ended=!0,n._stopFade(o[t]),r._node)if(n._webAudio){if(!r._node.bufferSource)return n;"undefined"==typeof r._node.bufferSource.stop?r._node.bufferSource.noteOff(0):r._node.bufferSource.stop(0),r._node.bufferSource=null}else isNaN(r._node.duration)&&r._node.duration!==1/0||(r._node.pause(),r._node.currentTime=r._start||0);n._emit("stop",r._id)}}return n},mute:function(e,o){var t=this;if(!t._loaded)return t.once("play",function(){t.mute(e,o)}),t;if("undefined"==typeof o){if("boolean"!=typeof e)return t._muted;t._muted=e}for(var r=t._getSoundIds(o),d=0;d<r.length;d++){var u=t._soundById(r[d]);u&&(u._muted=e,t._webAudio&&u._node?u._node.gain.setValueAtTime(e?0:u._volume*i.volume(),n.currentTime):u._node&&(u._node.muted=i._muted?!0:e))}return t},volume:function(){var e,o,t=this,r=arguments;if(0===r.length)return t._volume;if(1===r.length){var d=t._getSoundIds(),u=d.indexOf(r[0]);u>=0?o=parseInt(r[0],10):e=parseFloat(r[0])}else r.length>=2&&(e=parseFloat(r[0]),o=parseInt(r[1],10));var a;if(!("undefined"!=typeof e&&e>=0&&1>=e))return a=o?t._soundById(o):t._sounds[0],a?a._volume:0;if(!t._loaded)return t.once("play",function(){t.volume.apply(t,r)}),t;"undefined"==typeof o&&(t._volume=e),o=t._getSoundIds(o);for(var _=0;_<o.length;_++)a=t._soundById(o[_]),a&&(a._volume=e,r[2]||t._stopFade(o[_]),t._webAudio&&a._node&&!a._muted?a._node.gain.setValueAtTime(e*i.volume(),n.currentTime):a._node&&!a._muted&&(a._node.volume=e*i.volume()));return t},fade:function(e,o,t,r){var d=this;if(!d._loaded)return d.once("play",function(){d.fade(e,o,t,r)}),d;d.volume(e,r);for(var u=d._getSoundIds(r),i=0;i<u.length;i++){var a=d._soundById(u[i]);if(a)if(d._webAudio&&!a._muted){var _=n.currentTime,s=_+t/1e3;a._volume=e,a._node.gain.setValueAtTime(e,_),a._node.gain.linearRampToValueAtTime(o,s),a._timeout=setTimeout(function(e,t){delete t._timeout,setTimeout(function(){t._volume=o,d._emit("faded",e)},s-n.currentTime>0?Math.ceil(1e3*(s-n.currentTime)):0)}.bind(d,u[i],a),t)}else{var l=Math.abs(e-o),f=e>o?"out":"in",c=l/.01,p=t/c;!function(){var n=e;a._interval=setInterval(function(e,t){n+="in"===f?.01:-.01,n=Math.max(0,n),n=Math.min(1,n),n=Math.round(100*n)/100,d.volume(n,e,!0),n===o&&(clearInterval(t._interval),delete t._interval,d._emit("faded",e))}.bind(d,u[i],a),p)}()}}return d},_stopFade:function(e){var o=this,t=o._soundById(e);return t._interval?(clearInterval(t._interval),delete t._interval,o._emit("faded",e)):t._timeout&&(clearTimeout(t._timeout),delete t._timeout,t._node.gain.cancelScheduledValues(n.currentTime),o._emit("faded",e)),o},loop:function(){var e,n,o,t=this,r=arguments;if(0===r.length)return t._loop;if(1===r.length){if("boolean"!=typeof r[0])return o=t._soundById(parseInt(r[0],10)),o?o._loop:!1;e=r[0],t._loop=e}else 2===r.length&&(e=r[0],n=parseInt(r[1],10));for(var d=t._getSoundIds(n),u=0;u<d.length;u++)o=t._soundById(d[u]),o&&(o._loop=e,t._webAudio&&o._node&&o._node.bufferSource&&(o._node.bufferSource.loop=e));return t},rate:function(){var e,n,o=this,t=arguments;if(0===t.length)n=o._sounds[0]._id;else if(1===t.length){var r=o._getSoundIds(),d=r.indexOf(t[0]);d>=0?n=parseInt(t[0],10):e=parseFloat(t[0])}else 2===t.length&&(e=parseFloat(t[0]),n=parseInt(t[1],10));var u;if("number"!=typeof e)return u=o._soundById(n),u?u._rate:o._rate;if(!o._loaded)return o.once("load",function(){o.rate.apply(o,t)}),o;"undefined"==typeof n&&(o._rate=e),n=o._getSoundIds(n);for(var i=0;i<n.length;i++)if(u=o._soundById(n[i])){u._rate=e,o._webAudio&&u._node&&u._node.bufferSource?u._node.bufferSource.playbackRate.value=e:u._node&&(u._node.playbackRate=e);var a=o.seek(n[i]),_=(o._sprite[u._sprite][0]+o._sprite[u._sprite][1])/1e3-a,s=1e3*_/Math.abs(u._rate);o._clearTimer(n[i]),o._endTimers[n[i]]=setTimeout(o._ended.bind(o,u),s)}return o},seek:function(){var e,o,t=this,r=arguments;if(0===r.length)o=t._sounds[0]._id;else if(1===r.length){var d=t._getSoundIds(),u=d.indexOf(r[0]);u>=0?o=parseInt(r[0],10):(o=t._sounds[0]._id,e=parseFloat(r[0]))}else 2===r.length&&(e=parseFloat(r[0]),o=parseInt(r[1],10));if("undefined"==typeof o)return t;if(!t._loaded)return t.once("load",function(){t.seek.apply(t,r)}),t;var i=t._soundById(o);if(i){if(!(e>=0))return t._webAudio?i._seek+(t.playing(o)?n.currentTime-i._playStart:0):i._node.currentTime;var a=t.playing(o);a&&t.pause(o,!0),i._seek=e,t._clearTimer(o),a&&t.play(o,!0)}return t},playing:function(e){var n=this,o=n._soundById(e)||n._sounds[0];return o?!o._paused:!1},duration:function(){return this._duration},unload:function(){for(var e=this,n=e._sounds,o=0;o<n.length;o++){n[o]._paused||(e.stop(n[o]._id),e._emit("end",n[o]._id)),e._webAudio||(n[o]._node.src="",n[o]._node.removeEventListener("error",n[o]._errorFn,!1),n[o]._node.removeEventListener(d,n[o]._loadFn,!1)),delete n[o]._node,e._clearTimer(n[o]._id);var t=i._howls.indexOf(e);t>=0&&i._howls.splice(t,1)}return s&&delete s[e._src],e._sounds=[],e=null,null},on:function(e,n,o,t){var r=this,d=r["_on"+e];return"function"==typeof n&&d.push(t?{id:o,fn:n,once:t}:{id:o,fn:n}),r},off:function(e,n,o){var t=this,r=t["_on"+e];if(n){for(var d=0;d<r.length;d++)if(n===r[d].fn&&o===r[d].id){r.splice(d,1);break}}else if(e)t["_on"+e]=[];else for(var u=Object.keys(t),d=0;d<u.length;d++)0===u[d].indexOf("_on")&&Array.isArray(t[u[d]])&&(t[u[d]]=[]);return t},once:function(e,n,o){var t=this;return t.on(e,n,o,1),t},_emit:function(e,n,o){for(var t=this,r=t["_on"+e],d=0;d<r.length;d++)r[d].id&&r[d].id!==n||(setTimeout(function(e){e.call(this,n,o)}.bind(t,r[d].fn),0),r[d].once&&t.off(e,r[d].fn,r[d].id));return t},_ended:function(e){var o=this,t=e._sprite,r=!(!e._loop&&!o._sprite[t][2]);if(o._emit("end",e._id),!o._webAudio&&r&&o.stop(e._id).play(e._id),o._webAudio&&r){o._emit("play",e._id),e._seek=e._start||0,e._playStart=n.currentTime;var d=1e3*(e._stop-e._start)/Math.abs(e._rate);o._endTimers[e._id]=setTimeout(o._ended.bind(o,e),d)}return o._webAudio&&!r&&(e._paused=!0,e._ended=!0,e._seek=e._start||0,o._clearTimer(e._id),e._node.bufferSource=null,i._autoSuspend()),o._webAudio||r||o.stop(e._id),o},_clearTimer:function(e){var n=this;return n._endTimers[e]&&(clearTimeout(n._endTimers[e]),delete n._endTimers[e]),n},_soundById:function(e){for(var n=this,o=0;o<n._sounds.length;o++)if(e===n._sounds[o]._id)return n._sounds[o];return null},_inactiveSound:function(){var e=this;e._drain();for(var n=0;n<e._sounds.length;n++)if(e._sounds[n]._ended)return e._sounds[n].reset();return new _(e)},_drain:function(){var e=this,n=e._pool,o=0,t=0;if(!(e._sounds.length<n)){for(t=0;t<e._sounds.length;t++)e._sounds[t]._ended&&o++;for(t=e._sounds.length-1;t>=0;t--){if(n>=o)return;e._sounds[t]._ended&&(e._webAudio&&e._sounds[t]._node&&e._sounds[t]._node.disconnect(0),e._sounds.splice(t,1),o--)}}},_getSoundIds:function(e){var n=this;if("undefined"==typeof e){for(var o=[],t=0;t<n._sounds.length;t++)o.push(n._sounds[t]._id);return o}return[e]},_refreshBuffer:function(e){var o=this;return e._node.bufferSource=n.createBufferSource(),e._node.bufferSource.buffer=s[o._src],e._node.bufferSource.connect(e._panner?e._panner:e._node),e._node.bufferSource.loop=e._loop,e._loop&&(e._node.bufferSource.loopStart=e._start||0,e._node.bufferSource.loopEnd=e._stop),e._node.bufferSource.playbackRate.value=o._rate,o}};var _=function(e){this._parent=e,this.init()};if(_.prototype={init:function(){var e=this,n=e._parent;return e._muted=n._muted,e._loop=n._loop,e._volume=n._volume,e._muted=n._muted,e._rate=n._rate,e._seek=0,e._paused=!0,e._ended=!0,e._sprite="__default",e._id=Math.round(Date.now()*Math.random()),n._sounds.push(e),e.create(),e},create:function(){var e=this,o=e._parent,t=i._muted||e._muted||e._parent._muted?0:e._volume*i.volume();return o._webAudio?(e._node="undefined"==typeof n.createGain?n.createGainNode():n.createGain(),e._node.gain.setValueAtTime(t,n.currentTime),e._node.paused=!0,e._node.connect(r)):(e._node=new Audio,e._errorFn=e._errorListener.bind(e),e._node.addEventListener("error",e._errorFn,!1),e._loadFn=e._loadListener.bind(e),e._node.addEventListener(d,e._loadFn,!1),e._node.src=o._src,e._node.preload="auto",e._node.volume=t,e._node.load()),e},reset:function(){var e=this,n=e._parent;return e._muted=n._muted,e._loop=n._loop,e._volume=n._volume,e._muted=n._muted,e._rate=n._rate,e._seek=0,e._paused=!0,e._ended=!0,e._sprite="__default",e._id=Math.round(Date.now()*Math.random()),e},_errorListener:function(){var e=this;e._node.error&&4===e._node.error.code&&(i.noAudio=!0),e._parent._emit("loaderror",e._id,e._node.error?e._node.error.code:0),e._node.removeEventListener("error",e._errorListener,!1)},_loadListener:function(){var e=this,n=e._parent;n._duration=Math.ceil(10*e._node.duration)/10,0===Object.keys(n._sprite).length&&(n._sprite={__default:[0,1e3*n._duration]}),n._loaded||(n._loaded=!0,n._emit("load")),n._autoplay&&n.play(),e._node.removeEventListener(d,e._loadFn,!1)}},o)var s={},l=function(e){var n=e._src;if(s[n])return e._duration=s[n].duration,void p(e);if(/^data:[^;]+;base64,/.test(n)){window.atob=window.atob||function(e){for(var n,o,t="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",r=String(e).replace(/=+$/,""),d=0,u=0,i="";o=r.charAt(u++);~o&&(n=d%4?64*n+o:o,d++%4)?i+=String.fromCharCode(255&n>>(-2*d&6)):0)o=t.indexOf(o);return i};for(var o=atob(n.split(",")[1]),t=new Uint8Array(o.length),r=0;r<o.length;++r)t[r]=o.charCodeAt(r);c(t.buffer,e)}else{var d=new XMLHttpRequest;d.open("GET",n,!0),d.responseType="arraybuffer",d.onload=function(){c(d.response,e)},d.onerror=function(){e._webAudio&&(e._html5=!0,e._webAudio=!1,e._sounds=[],delete s[n],e.load())},f(d)}},f=function(e){try{e.send()}catch(n){e.onerror()}},c=function(e,o){n.decodeAudioData(e,function(e){e&&o._sounds.length>0&&(s[o._src]=e,p(o,e))},function(){o._emit("loaderror",null,"Decoding audio data failed.")})},p=function(e,n){n&&!e._duration&&(e._duration=n.duration),0===Object.keys(e._sprite).length&&(e._sprite={__default:[0,1e3*e._duration]}),e._loaded||(e._loaded=!0,e._emit("load")),e._autoplay&&e.play()};"function"==typeof define&&define.amd&&define([],function(){return{Howler:i,Howl:a}}),"undefined"!=typeof exports&&(exports.Howler=i,exports.Howl=a),"undefined"!=typeof window&&(window.HowlerGlobal=u,window.Howler=i,window.Howl=a,window.Sound=_)}();
/*! Effects Plugin */
!function(){"use strict";HowlerGlobal.prototype.init=function(e){return function(){var n=this;return n._pos=[0,0,0],n._orientation=[0,0,-1,0,1,0],n._velocity=[0,0,0],n._listenerAttr={dopplerFactor:1,speedOfSound:343.3},e.call(this,o)}}(HowlerGlobal.prototype.init),HowlerGlobal.prototype.pos=function(e,n,t){var o=this;return o.ctx&&o.ctx.listener?(n="number"!=typeof n?o._pos[1]:n,t="number"!=typeof t?o._pos[2]:t,"number"!=typeof e?o._pos:(o._pos=[e,n,t],o.ctx.listener.setPosition(o._pos[0],o._pos[1],o._pos[2]),o)):o},HowlerGlobal.prototype.orientation=function(e,n,t,o,r,i){var a=this;if(!a.ctx||!a.ctx.listener)return a;var p=a._orientation;return n="number"!=typeof n?p[1]:n,t="number"!=typeof t?p[2]:t,o="number"!=typeof o?p[3]:o,r="number"!=typeof r?p[4]:r,i="number"!=typeof i?p[5]:i,"number"!=typeof e?p:(a._orientation=[e,n,t,o,r,i],a.ctx.listener.setOrientation(p[0],p[1],p[2],p[3],p[4],p[5]),a)},HowlerGlobal.prototype.velocity=function(e,n,t){var o=this;return o.ctx&&o.ctx.listener?(n="number"!=typeof n?o._velocity[1]:n,t="number"!=typeof t?o._velocity[2]:t,"number"!=typeof e?o._velocity:(o._velocity=[e,n,t],o.ctx.listener.setVelocity(o._velocity[0],o._velocity[1],o._velocity[2]),o)):o},HowlerGlobal.prototype.listenerAttr=function(e){var n=this;if(!n.ctx||!n.ctx.listener)return n;var t=n._listenerAttr;return e?(n._listenerAttr={dopplerFactor:"undefined"!=typeof e.dopplerFactor?e.dopplerFactor:t.dopplerFactor,speedOfSound:"undefined"!=typeof e.speedOfSound?e.speedOfSound:t.speedOfSound},n.ctx.listener.dopplerFactor=t.dopplerFactor,n.ctx.listener.speedOfSound=t.speedOfSound,n):t},Howl.prototype.init=function(e){return function(n){var t=this;return t._orientation=n.orientation||[1,0,0],t._pos=n.pos||null,t._velocity=n.velocity||[0,0,0],t._pannerAttr={coneInnerAngle:"undefined"!=typeof n.coneInnerAngle?n.coneInnerAngle:360,coneOUterAngle:"undefined"!=typeof n.coneOUterAngle?n.coneOUterAngle:360,coneOuterGain:"undefined"!=typeof n.coneOuterGain?n.coneOuterGain:0,distanceModel:"undefined"!=typeof n.distanceModel?n.distanceModel:"inverse",maxDistance:"undefined"!=typeof n.maxDistance?n.maxDistance:1e4,panningModel:"undefined"!=typeof n.panningModel?n.panningModel:"HRTF",refDistance:"undefined"!=typeof n.refDistance?n.refDistance:1,rolloffFactor:"undefined"!=typeof n.rolloffFactor?n.rolloffFactor:1},e.call(this,n)}}(Howl.prototype.init),Howl.prototype.pos=function(n,t,o,r){var i=this;if(!i._webAudio)return i;if(!i._loaded)return i.once("play",function(){i.pos(n,t,o,r)}),i;if(t="number"!=typeof t?0:t,o="number"!=typeof o?-.5:o,"undefined"==typeof r){if("number"!=typeof n)return i._pos;i._pos=[n,t,o]}for(var a=i._getSoundIds(r),p=0;p<a.length;p++){var l=i._soundById(a[p]);if(l){if("number"!=typeof n)return l._pos;l._pos=[n,t,o],l._node&&(l._panner||e(l),l._panner.setPosition(n,t,o))}}return i},Howl.prototype.orientation=function(n,t,o,r){var i=this;if(!i._webAudio)return i;if(!i._loaded)return i.once("play",function(){i.orientation(n,t,o,r)}),i;if(t="number"!=typeof t?i._orientation[1]:t,o="number"!=typeof o?i._orientation[1]:o,"undefined"==typeof r){if("number"!=typeof n)return i._orientation;i._orientation=[n,t,o]}for(var a=i._getSoundIds(r),p=0;p<a.length;p++){var l=i._soundById(a[p]);if(l){if("number"!=typeof n)return l._orientation;l._orientation=[n,t,o],l._node&&(l._panner||e(l),l._panner.setOrientation(n,t,o))}}return i},Howl.prototype.velocity=function(n,t,o,r){var i=this;if(!i._webAudio)return i;if(!i._loaded)return i.once("play",function(){i.velocity(n,t,o,r)}),i;if(t="number"!=typeof t?i._velocity[1]:t,o="number"!=typeof o?i._velocity[1]:o,"undefined"==typeof r){if("number"!=typeof n)return i._velocity;i._velocity=[n,t,o]}for(var a=i._getSoundIds(r),p=0;p<a.length;p++){var l=i._soundById(a[p]);if(l){if("number"!=typeof n)return l._velocity;l._velocity=[n,t,o],l._node&&(l._panner||e(l),l._panner.setVelocity(n,t,o))}}return i},Howl.prototype.pannerAttr=function(){var n,t,o,r=this,i=arguments;if(!r._webAudio)return r;if(0===i.length)return r._pannerAttr;if(1===i.length){if("object"!=typeof i[0])return o=r._soundById(parseInt(i[0],10)),o?o._pannerAttr:r._pannerAttr;n=i[0],"undefined"==typeof t&&(r._pannerAttr={coneInnerAngle:"undefined"!=typeof n.coneInnerAngle?n.coneInnerAngle:r._coneInnerAngle,coneOUterAngle:"undefined"!=typeof n.coneOUterAngle?n.coneOUterAngle:r._coneOUterAngle,coneOuterGain:"undefined"!=typeof n.coneOuterGain?n.coneOuterGain:r._coneOuterGain,distanceModel:"undefined"!=typeof n.distanceModel?n.distanceModel:r._distanceModel,maxDistance:"undefined"!=typeof n.maxDistance?n.maxDistance:r._maxDistance,panningModel:"undefined"!=typeof n.panningModel?n.panningModel:r._panningModel,refDistance:"undefined"!=typeof n.refDistance?n.refDistance:r._refDistance,rolloffFactor:"undefined"!=typeof n.rolloffFactor?n.rolloffFactor:r._rolloffFactor})}else 2===i.length&&(n=i[0],t=parseInt(i[1],10));for(var a=r._getSoundIds(t),p=0;p<a.length;p++)if(o=r._soundById(a[p])){var l=o._pannerAttr;l={coneInnerAngle:"undefined"!=typeof n.coneInnerAngle?n.coneInnerAngle:l.coneInnerAngle,coneOUterAngle:"undefined"!=typeof n.coneOUterAngle?n.coneOUterAngle:l.coneOUterAngle,coneOuterGain:"undefined"!=typeof n.coneOuterGain?n.coneOuterGain:l.coneOuterGain,distanceModel:"undefined"!=typeof n.distanceModel?n.distanceModel:l.distanceModel,maxDistance:"undefined"!=typeof n.maxDistance?n.maxDistance:l.maxDistance,panningModel:"undefined"!=typeof n.panningModel?n.panningModel:l.panningModel,refDistance:"undefined"!=typeof n.refDistance?n.refDistance:l.refDistance,rolloffFactor:"undefined"!=typeof n.rolloffFactor?n.rolloffFactor:l.rolloffFactor};var c=o._panner;c?(c.coneInnerAngle=l.coneInnerAngle,c.coneOUterAngle=l.coneOUterAngle,c.coneOuterGain=l.coneOuterGain,c.distanceModel=l.distanceModel,c.maxDistance=l.maxDistance,c.panningModel=l.panningModel,c.refDistance=l.refDistance,c.rolloffFactor=l.rolloffFactor):(o._pos||(o._pos=r._pos||[0,0,-.5]),e(o))}return r},Sound.prototype.init=function(e){return function(){var n=this,t=n._parent;n._orientation=t._orientation,n._pos=t._pos,n._velocity=t._velocity,n._pannerAttr=t._pannerAttr,e.call(this),n._pos&&t.pos(n._pos[0],n._pos[1],n._pos[2],n._id)}}(Sound.prototype.init),Sound.prototype.reset=function(e){return function(){var n=this,t=n._parent;return n._orientation=t._orientation,n._pos=t._pos,n._velocity=t._velocity,n._pannerAttr=t._pannerAttr,e.call(this)}}(Sound.prototype.reset);var e=function(e){e._panner=Howler.ctx.createPanner(),e._panner.coneInnerAngle=e._pannerAttr.coneInnerAngle,e._panner.coneOUterAngle=e._pannerAttr.coneOUterAngle,e._panner.coneOuterGain=e._pannerAttr.coneOuterGain,e._panner.distanceModel=e._pannerAttr.distanceModel,e._panner.maxDistance=e._pannerAttr.maxDistance,e._panner.panningModel=e._pannerAttr.panningModel,e._panner.refDistance=e._pannerAttr.refDistance,e._panner.rolloffFactor=e._pannerAttr.rolloffFactor,e._panner.setPosition(e._pos[0],e._pos[1],e._pos[2]),e._panner.setOrientation(e._orientation[0],e._orientation[1],e._orientation[2]),e._panner.setVelocity(e._velocity[0],e._velocity[1],e._velocity[2]),e._panner.connect(e._node),e._paused||e._parent.pause(e._id).play(e._id)}}();