jQuery snowflake falling animation effect
jQuery snowflake falling animation effect
<script type="text/javascript" src="js/jquery.js"></script>
<script type="text/javascript" src="js/three.js"></script>
</head>
<body>
<script type="text/javascript">
document.writeln("<div class=\"snow\" style=\"height:1200px; background:#000; position:fixed; left:0px; top:0px; right:0px; bottom:0px; pointer-events: none;z-index: 9999;\"><canvas width=\"1904\" height=\"913\" style=\"position: absolute;left: 0;top: 0;\"></canvas></div>");
$(function() {
if (/MSIE 6|MSIE 7|MSIE 8/.test(navigator.userAgent)) {
return
}
var container = document.querySelector(".snow");
// IE9-10 pointer-events兼容
if (/MSIE 9|MSIE 10/.test(navigator.userAgent)) {
$(container).bind('click mousemove', function(evt) {
this.style.display = 'none';
var x = evt.pageX, y = evt.pageY
if ($(document).scrollTop() > 0 || $(document).scrollTop() > 0) {
x = x - $(document).scrollLeft() + 1
y = y - $(document).scrollTop() + 1
}
evt.preventDefault();
evt.stopPropagation();
var under = document.elementFromPoint(x, y);
var evtType = evt.type === 'click' ? 'click' : 'mouseenter'
if (evt.type === 'click') {
$(under)[0].click();
} else {
$(under).trigger('mouseenter');
}
$('body').css('cursor', 'default')
this.style.display = '';
return false;
});
这是一款给人3D立体空间感的jQuery+three.js雪花飘落动画效果，canvas绘制雪花下雪动画特效。
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