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demo.html
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demo.html
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<!DOCTYPE HTML>
<html lang="zh-CN">
<head>
<meta charset="utf-8" />
<title>Canvas虹膜消除转场</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="black" />
<meta name="format-detection" content="telephone=no" />
<style>
body{padding:0;margin:0;}
.iriswipe, .page{width: 100%;height: 100%; position: absolute; top: 0; left: 0;}
.iriswipe {z-index: 10;}
.page {background-repeat: no-repeat; background-position: center; background-size: cover;display:none;}
.page1 {background-image: url(images/Looney_tunes_careta.png);}
.page1 span {position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); background: #FFF; color: #00055A; font-size: 40px; padding: 20px; border-radius: 20px;}
.page2 {background-image: url(images/Merrie_Melodies_classic_title_card.png);}
</style>
</head>
<body>
<div class="container" id="container">
<canvas class="iriswipe" id="irisWipe" style="display:none;"></canvas>
<div class="page page1" data-cur='1' style="display:block;"><span>单击屏幕转场</span></div>
<div class="page page2" data-cur='0'></div>
</div>
<script src="lib/iriswipe.js"></script>
<script>
!function(x){
function w(){
var s=x.document,
r=s.documentElement,
w=r.clientWidth,
h=r.clientHeight,
cont=s.getElementById('container');
cont.style.width = w + 'px';
cont.style.height = h + 'px';
}
x.addEventListener("resize", function(){w();});
w();
}(window);
</script>
<script>
var canvas = document.getElementById('irisWipe');
var irisConf = {
canvas: canvas, // 画布对象
poses: {
steps: [
{x: 50, y: 50}, // 收缩中心点，单位百分比
{x: 30, y: 10} // 放大中心点，单位百分比
]
},
speed: [12, 20] // 收缩速度，放大速度，单位百分比
};
var pageArr = document.querySelectorAll('.page');
document.getElementById('container').addEventListener('click', function(){
Iris.construct(irisConf); // 调用虹膜消除转场
setTimeout(function(){
Array.prototype.forEach.call(pageArr, function(item, idx){
var cur = item.getAttribute('data-cur');
if(cur=='1'){
item.setAttribute('data-cur', '0');
item.style.display = 'none';
}else{
item.setAttribute('data-cur', '1');
item.style.display = 'block';
}
});
}, 200);
});
</script>
</body>
</html>