【html5 audio】音乐播放，灵动的音符效果
html 部分
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html" charset="utf-8" />
<meta name="viewport" content="initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no" />
<title>My Coffee Stream 0.1</title>
<style type="text/css">
html,body,div,img{
margin:0;
padding:0;
}
a,a:hover{
text-decoration:none;
}
.background{
width:100%;
position:fixed;
top:0;
left:0;
}
.audio_box{
position:absolute;
right:20px;
top:60px;
width:130px;
height:80px;
text-align:center;
color:#fff;
}
.audio_box .audio_btn_box{
position:absolute;
left:60px;
width:52px;
z-index:2;
}
</style>
</head>
<body>
<img src="images/cover.png" class="background resizeContainer"/><!--任性地加个背景-->
<div class="audio_box" id="J_audio_box">
<div class="audio_btn_box">
<img src="images/play.png" class="icon" />
<span id="J_audio_txt" class="txt">暂停</span>
</div>
</div>
<script type="text/javascript" src="js/zepto.js"></script><!--js库文件，网上都有-->
<script type="text/javascript" src="js/coffee.js"></script>
<script type="text/javascript">
var isiOS = navigator.userAgent.match('iPad') || navigator.userAgent.match('iPhone') || navigator.userAgent.match('iPod');
var _this_audio = {
_audio : null,
_audio_val : false,
init : function(){
var options_audio = {
loop: true,
preload: "auto",
autoplay: "autoplay",
src: 'YouAndMe.mp3'
}
_this_audio._audio = new Audio();
for (var key in options_audio) {
_this_audio._audio[key] = options_audio[key];
}
_this_audio._audio.load();
if(isiOS){//由于ios不能自动播放，所以ios的浏览器默认为暂停状态，而其它为自动播放状态
$('#J_audio_txt').text('播放');
_this_audio._audio_val = true;
}
_this_audio.bindevent();
},
audio_play : function(){
_this_audio._audio_val = false;
if(_this_audio._audio){
_this_audio._audio.play();
}
},
audio_pause : function(){
_this_audio._audio_val = true;
if (_this_audio._audio){
_this_audio._audio.pause();
}
},
control : function(){
if (!_this_audio._audio_val) {
_this_audio.audio_pause();
} else {
_this_audio.audio_play();
}
},
bindevent : function(){
$('#J_audio_box .audio_btn_box').on('click', _this_audio.control);
$(_this_audio._audio).on('play',function(){
_this_audio._audio_val = false;
$('#J_audio_txt').text('暂停');
$.fn.coffee.start();
$('.coffee-steam-box').show(500);
});
$(_this_audio._audio).on('pause',function(){
_this_audio._audio_val = true;
$('#J_audio_txt').text('播放');
$.fn.coffee.stop();
$('.coffee-steam-box').hide(500);
});
}
}
var window_h, window_w;
$(document).ready(function(){
window_w = $(window).width();
window_h = $(window).height();
$('.resizeContainer').width(window_w).height(window_h);
$('#J_audio_box').coffee({//灵动的音符初始化
steams: ["<img src='images/player.png' />", "images/player.png' />"],
steamHeight: 100,
steamWidth: 44
});
_this_audio.init();
});
</script>
</body>
</html>
coffee.js
;(function($, undefined){
var prefix = '', eventPrefix, endEventName, endAnimationName,
vendors = { Webkit: 'webkit', Moz: '', O: 'o' },
document = window.document, testEl = document.createElement('div'),
supportedTransforms = /^((translate|rotate|scale)(X|Y|Z|3d)?|matrix(3d)?|perspective|skew(X|Y)?)$/i,
transform,
transitionProperty, transitionDuration, transitionTiming, transitionDelay,
animationName, animationDuration, animationTiming, animationDelay,
cssReset = {}
function dasherize(str) { return str.replace(/([a-z])([A-Z])/, '$1-$2').toLowerCase() }
function normalizeEvent(name) { return eventPrefix ? eventPrefix + name : name.toLowerCase() }
$.each(vendors, function(vendor, event){
if (testEl.style[vendor + 'TransitionProperty'] !== undefined) {
prefix = '-' + vendor.toLowerCase() + '-'
eventPrefix = event
return false
}
})
transform = prefix + 'transform'
cssReset[transitionProperty = prefix + 'transition-property'] =
cssReset[transitionDuration = prefix + 'transition-duration'] =
cssReset[transitionDelay = prefix + 'transition-delay'] =
cssReset[transitionTiming = prefix + 'transition-timing-function'] =
cssReset[animationName = prefix + 'animation-name'] =
cssReset[animationDuration = prefix + 'animation-duration'] =
cssReset[animationDelay = prefix + 'animation-delay'] =
cssReset[animationTiming = prefix + 'animation-timing-function'] = ''
$.fx = {
off: (eventPrefix === undefined && testEl.style.transitionProperty === undefined),
speeds: { _default: 400, fast: 200, slow: 600 },
cssPrefix: prefix,
transitionEnd: normalizeEvent('TransitionEnd'),
animationEnd: normalizeEvent('AnimationEnd')
}
$.fn.animate = function(properties, duration, ease, callback, delay){
if ($.isFunction(duration))
callback = duration, ease = undefined, duration = undefined
if ($.isFunction(ease))
callback = ease, ease = undefined
if ($.isPlainObject(duration))
ease = duration.easing, callback = duration.complete, delay = duration.delay, duration = duration.duration
if (duration) duration = (typeof duration == 'number' ? duration :
($.fx.speeds[duration] || $.fx.speeds._default)) / 1000
if (delay) delay = parseFloat(delay) / 1000
return this.anim(properties, duration, ease, callback, delay)
}
$.fn.anim = function(properties, duration, ease, callback, delay){
var key, cssValues = {}, cssProperties, transforms = '',
that = this, wrappedCallback, endEvent = $.fx.transitionEnd,
fired = false
if (duration === undefined) duration = $.fx.speeds._default / 1000
if (delay === undefined) delay = 0
if ($.fx.off) duration = 0
if (typeof properties == 'string') {
// keyframe animation
cssValues[animationName] = properties
cssValues[animationDuration] = duration + 's'
cssValues[animationDelay] = delay + 's'
cssValues[animationTiming] = (ease || 'linear')
endEvent = $.fx.animationEnd
} else {
cssProperties = []
// CSS transitions
for (key in properties)
if (supportedTransforms.test(key)) transforms += key + '(' + properties[key] + ') '
else cssValues[key] = properties[key], cssProperties.push(dasherize(key))
if (transforms) cssValues[transform] = transforms, cssProperties.push(transform)
if (duration > 0 && typeof properties === 'object') {
cssValues[transitionProperty] = cssProperties.join(', ')
cssValues[transitionDuration] = duration + 's'
cssValues[transitionDelay] = delay + 's'
cssValues[transitionTiming] = (ease || 'linear')
}
}
wrappedCallback = function(event){
if (typeof event !== 'undefined') {
if (event.target !== event.currentTarget) return // makes sure the event didn't bubble from "below"
$(event.target).unbind(endEvent, wrappedCallback)
} else
$(this).unbind(endEvent, wrappedCallback) // triggered by setTimeout
fired = true
$(this).css(cssReset)
callback && callback.call(this)
}
if (duration > 0){
this.bind(endEvent, wrappedCallback)
// transitionEnd is not always firing on older Android phones
// so make sure it gets fired
setTimeout(function(){
if (fired) return
wrappedCallback.call(that)
}, (duration * 1000) + 25)
}
// trigger page reflow so new elements can animate
this.size() && this.get(0).clientLeft
this.css(cssValues)
if (duration <= 0) setTimeout(function() {
that.each(function(){ wrappedCallback.call(this) })
}, 0)
return this
}
testEl = null
})(Zepto)
;(function($){
$.fn.coffee = function(option){
// 鍔ㄧ敾瀹氭椂鍣�
var __time_val=null;
var __time_wind=null;
var __flyFastSlow = 'cubic-bezier(.09,.64,.16,.94)';
// 鍒濆鍖栧嚱鏁颁綋锛岀敓鎴愬搴旂殑DOM鑺傜偣
var $coffee = $(this);
var opts = $.extend({},$.fn.coffee.defaults,option); // 缁ф壙浼犲叆鐨勫€�
// 婕傛诞鐨凞OM
var coffeeSteamBoxWidth = opts.steamWidth;
var $coffeeSteamBox = $('<div class="coffee-steam-box"></div>')
.css({
'height' : opts.steamHeight,
'width' : opts.steamWidth,
'left' : 60,
'top' : -50,
'position' : 'absolute',
'overflow' : 'hidden',
'z-index' : 0
})
.appendTo($coffee);
$.fn.coffee.stop = function(){
clearInterval(__time_val);
clearInterval(__time_wind);
}
$.fn.coffee.start = function(){
__time_val = setInterval(function(){
steam();
}, rand( opts.steamInterval / 2 , opts.steamInterval * 2 ));
__time_wind = setInterval(function(){
wind();
},rand( 100 , 1000 )+ rand( 1000 , 3000))
}
return $coffee;
function steam(){
var fontSize = rand( 8 , opts.steamMaxSize ) ;
var steamsFontFamily = randoms( 1, opts.steamsFontFamily );
var color = '#'+ randoms(6 , '0123456789ABCDEF' );
var position = rand( 0, 44 );
var rotate = rand(-90,89);
var scale = rand02(0.4,1);
var transform = $.fx.cssPrefix+'transform';
transform = transform+':rotate('+rotate+'deg) scale('+scale+');'
var $fly = $('<span class="coffee-steam">'+ randoms( 1, opts.steams ) +'</span>');
var left = rand( 0 , coffeeSteamBoxWidth - opts.steamWidth - fontSize );
if( left > position ) left = rand( 0 , position );
$fly
.css({
'position' : 'absolute',
'left' : position,
'top' : opts.steamHeight,
'font-size:' : fontSize+'px',
'color' : color,
'font-family' : steamsFontFamily,
'display' : 'block',
'opacity' : 1
})
.attr('style',$fly.attr('style')+transform)
.appendTo($coffeeSteamBox)
.animate({
top : rand(opts.steamHeight/2,0),
left : left,
opacity : 0
},rand( opts.steamFlyTime / 2 , opts.steamFlyTime * 1.2 ),__flyFastSlow,function(){
$fly.remove();
$fly = null;
});
};
function wind(){
var left = rand( -10 , 10 );
left += parseInt($coffeeSteamBox.css('left'));
if(left>=54) left=54;
else if(left<=34) left=34;
$coffeeSteamBox.animate({
left : left
} , rand( 1000 , 3000) ,__flyFastSlow);
};
function randoms( length , chars ) {
length = length || 1 ;
var hash = ''; //
var maxNum = chars.length - 1; // last-one
var num = 0; // fisrt-one
for( i = 0; i < length; i++ ) {
num = rand( 0 , maxNum - 1 );
hash += chars.slice( num , num + 1 );
}
return hash;
};
function rand(mi,ma){
var range = ma - mi;
var out = mi + Math.round( Math.random() * range) ;
return parseInt(out);
};
function rand02(mi,ma){
var range = ma - mi;
var out = mi + Math.random() * range;
return parseFloat(out);
};
};
$.fn.coffee.defaults = {
steams : ['jQuery','HTML5','HTML6','CSS2','CSS3','JS','$.fn()','char','short','if','float','else','type','case','function','travel','return','array()','empty()','eval','C++','JAVA','PHP','JSP','.NET','while','this','$.find();','float','$.ajax()','addClass','width','height','Click','each','animate','cookie','bug','Design','Julying','$(this)','i++','Chrome','Firefox','Firebug','IE6','Guitar' ,'Music' ,'鏀诲煄甯�' ,'鏃呰' ,'鐜嬪瓙澧�','鍟ら厭'], /*婕傛诞鐗╃殑绫诲瀷锛岀绫�*/
steamsFontFamily : ['Verdana','Geneva','Comic Sans MS','MS Serif','Lucida Sans Unicode','Times New Roman','Trebuchet MS','Arial','Courier New','Georgia'], /*婕傛诞鐗╃殑瀛椾綋绫诲瀷*/
steamFlyTime : 5000 ,
steamInterval : 500 ,
steamMaxSize : 30 ,
steamHeight : 200,
steamWidth : 300
};
$.fn.coffee.version = '2.0.0';
})(Zepto);
效果图：
