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Сообщение от Morty
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как изменить количество отображаемых изображений в ленте?
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<!DOCTYPE html>
<html>
<head>
<title>Untitled</title>
<meta charset="utf-8">
<style type="text/css">body{
position:relative;
}
.roulette-inner img{
width:72px;
height:72px;
margin:2px;
}
.roulette-inner img.active{
border:2px solid rgba(89,0,153,.2);
box-sizing:border-box;
border-radius:50%;
padding:-4px 4px 2px 4px;
transform:scale(1.7);
z-index:1000;
background-color:rgba(0,255,127,.5);
}
</style>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<script>
jQuery.easing['easeOutCirc'] = function (x, t, b, c, d) {
return c * Math.sqrt(1 - (t=t/d-1)*t) + b;
}
$(function() {
var option = {
speed: 5,
duration: 3,
stopImageNumber: 4
};
$("#go").click(function() {
option.stopImageNumber = Math.random() * 11|0;
$(".roulette-inner img").removeClass("active");
$("#config").text(JSON.stringify(option));
$({
left: 0
}).animate({
left: 844 * option.speed + 76 * (option.stopImageNumber + 9)+4
}, {
duration: option.duration * 1000,
easing: "easeOutCirc",
step: function(a) {
$(".roulette-inner").css("transform", "translateX(-" + a % 844 + "px)");
},
complete: function() {
$(".roulette-inner img").eq(option.stopImageNumber + (option.stopImageNumber < 3) * 11).addClass("active");
}
});
})
});
</script>
</head>
<body>
<h2>Config: <span id="config"></span></h2>
<div class="roulette" style="overflow: hidden; height: 126px; width: 382px;">
<div class="roulette-inner" style="position: relative; top: 24px; width: 7000px;">
<img src="https://raw.githubusercontent.com/skryshtafovych/Lottery-html5/master/star.png" style="display: block; float: left;">
<img src="https://raw.githubusercontent.com/skryshtafovych/Lottery-html5/master/flower.png" style="display: block; float: left;">
<img src="https://raw.githubusercontent.com/skryshtafovych/Lottery-html5/master/coin.png" style="display: block; float: left;">
<img src="https://raw.githubusercontent.com/skryshtafovych/Lottery-html5/master/mshroom.png" style="display: block; float: left;">
<img src="https://raw.githubusercontent.com/skryshtafovych/Lottery-html5/master/chomp.png" style="display: block; float: left;">
<img src="https://icon-icons.com/icons2/206/PNG/128/Flower_-_Fire_24653.png" style="display: block; float: left;">
<img src="http://img.informer.com/icons_mac/png/128/218/218340.png" style="display: block; float: left;">
<img src="https://icon-icons.com/icons2/249/PNG/128/Lamp_27000.png" style="display: block; float: left;">
<img src="http://www.iconninja.com/files/817/63/651/orange-monster-icon.png" style="display: block; float: left;">
<img src="http://www.fsiv.com/public/images/logo-share/green/logo8.png" style="display: block; float: left;">
<img src="http://wiki.tockdom.com/w/images/3/36/Piranha_Plant_Cup.png" style="display: block; float: left;">
<img src="https://raw.githubusercontent.com/skryshtafovych/Lottery-html5/master/star.png" style="display: block; float: left;">
<img src="https://raw.githubusercontent.com/skryshtafovych/Lottery-html5/master/flower.png" style="display: block; float: left;">
<img src="https://raw.githubusercontent.com/skryshtafovych/Lottery-html5/master/coin.png" style="display: block; float: left;">
<img src="https://raw.githubusercontent.com/skryshtafovych/Lottery-html5/master/mshroom.png" style="display: block; float: left;">
<img src="https://raw.githubusercontent.com/skryshtafovych/Lottery-html5/master/chomp.png" style="display: block; float: left;">
<img src="https://icon-icons.com/icons2/206/PNG/128/Flower_-_Fire_24653.png" style="display: block; float: left;">
<img src="http://img.informer.com/icons_mac/png/128/218/218340.png" style="display: block; float: left;">
<img src="https://icon-icons.com/icons2/249/PNG/128/Lamp_27000.png" style="display: block; float: left;">
<img src="http://www.iconninja.com/files/817/63/651/orange-monster-icon.png" style="display: block; float: left;">
<img src="http://www.fsiv.com/public/images/logo-share/green/logo8.png" style="display: block; float: left;">
<img src="http://wiki.tockdom.com/w/images/3/36/Piranha_Plant_Cup.png" style="display: block; float: left;">
</div>
</div>
<button id="go">Go</button>
</body>
</html>
, а то у меня получалось так, что иногда выбранное изображение оказывалось за пределами видимости 
