HTML5的Canvas特性非常实用，我们不仅可以在Canvas画布上绘制各种图形，也可以制作绚丽的动画，比如这次介绍的水波纹动画特效。以前我们也分享过一款基于HTML5 WebGL的水波荡漾动画，让人惊叹不已，这次分享的HTML5 Canvas水波纹动画同样非常震撼人心。
<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>HTML5 Canvas水波纹动画特效DEMO演示</title>
<link rel="stylesheet" type="text/css" href="css/normalize.css" />
<link rel="stylesheet" type="text/css" href="css/zzsc.css">
<script src="js/jquery-1.11.0.min.js" type="text/javascript"></script>
<script type="text/javascript" src="js/jquery.waterrippleeffect.min.js"></script>
<style type="text/css">
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, font, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td {
margin: 0;
padding: 0;
border: 0;
outline: 0;
font-size: 100%;
vertical-align: baseline;
/*background: transparent;*/
box-sizing: border-box;
} body {
overflow: hidden;
}
.container{
width: 480px;
height: 480px;
margin:20px auto;
position: relative;
}
.clear {
clear: both;
height: 0;
font-size: 0;
line-height: 0;
}
</style>
<script> $( document ).ready( function() { //------------------------------------------------------------------------ $( '#preloaderDiv' ).delay( 1000 ).fadeTo( 1000 , 0, function() { $( this ).css( 'display', 'none' ); } ); $( '#startDiv' ).css( 'cursor', 'pointer' ).click( function() { //$( this ).css( 'display', 'none' ); $( this ).delay( 10 ).fadeTo( 1000 , 0, function() { $( this ).css( 'display', 'none' ); } ); init(); } ); //------------------------------------------------------------------------ function init() { //Settings - params for WaterRippleEffect
var settings = { image: './img/SwimmingPool.jpg',//image path
rippleRadius: 3,//radius of the ripple
width: 480,//width
height: 480,//height
delay: 1,//if auto param === true. 1 === 1 second delay for animation
auto: true//if auto param === true, animation starts on it´s own }; //------------------------------------------------------------------------ //standalone //init var waterRippleEffect = new WaterRippleEffect( document.getElementById( 'holder' ), settings );
document.getElementById( 'holder' ).style.cursor = 'pointer'; //on click document.getElementById( 'holder' ).addEventListener( 'click', function( e ) { var mouseX = e.layerX;
var mouseY = e.layerY; waterRippleEffect.disturb( mouseX, mouseY ); } ); //on mousemove document.getElementById( 'holder' ).addEventListener( 'mousemove', function( e ) { var mouseX = e.layerX;
var mouseY = e.layerY; waterRippleEffect.disturb( mouseX, mouseY ); } ); //------------------------------------------------------------------------ //jQuery //init
/*
$( '#holder' ).waterRippleEffect( settings );
$( '#holder' ).css( 'cursor', 'pointer' );
*/ //on click
/*
$( '#holder' ).click( function( e ) { var mouseX = e.pageX - $( this ).offset().left;
var mouseY = e.pageY - $( this ).offset().top; $( '#holder' ).waterRippleEffect( "disturb", mouseX, mouseY ); } );
*/ //on mousemove
/*
$( '#holder' ).mousemove( function( e ) { var mouseX = e.pageX - $( this ).offset().left;
var mouseY = e.pageY - $( this ).offset().top; $( '#holder' ).waterRippleEffect( "disturb", mouseX, mouseY ); } );
*/ }; //------------------------------------------------------------------------ } ); </script>
</head>
<body>
<div class="container">
<div id='holder' style='width:480px; height:480px; position:absolute;'></div> <div id='startDiv' style='background-color:#000; position:absolute; width:480px; height:480px;'> <img src='img/startBt.jpg' width='480px' height='480px' alt='Start' style='position:absolute; top:50%; left:50%; margin-top:-240px; margin-left:-240px;'> </div> <div id='preloaderDiv' style='background-color:#000; position:absolute; width:480px; height:480px; pointer-events:none'> <img src='img/PreloaderDark.gif' width='44px' height='48px' alt='Preloader' style='position:absolute; top:50%; left:50%; margin-top:-22px; margin-left:-24px;'> </div>
</div> <div style="text-align:center;clear:both;">
<script src="/gg_bd_ad_720x90.js" type="text/javascript"></script>
<script src="/follow.js" type="text/javascript"></script>
</div> </body>
</html>