canvas水波纹效果，jquery鼠标水波纹插件

效果展示

HTML代码片段

<div class="scroll04wrap">
	<h3>发展历程</h3>
	<div class="scroll04">
		<p>不要回头，一直向前</p>
	</div>
</div>

css代码片段

/* scroll04 */
.scroll04wrap{width: 100%;position: relative;margin-top: 100px;}
.scroll04wrap h3{font-size: 50px;color: #2e5c72;margin-bottom: 30px;line-height: 86px;font-weight: bold;text-align: center;}
.scroll04{width: 100%;position: relative;box-sizing: border-box;padding: 250px 0;background:url(images/qyqxbg02.jpg) no-repeat fixed;background-size: cover;display: flex;display: -webkit-flex;justify-content: center;-webkit-justify-content: center;}
.scroll04 p{font-size: 28px;color: #fff;writing-mode: vertical-lr;font-family: cursive;font-weight: bold;letter-spacing: 5px;}

js代码片段
注：需引入 jquery.js 插件和 ripples.js 插件

<script src="js/ripples.js"></script>
<script>
	$(document).ready(function() {
		try {
			$('.scroll04').ripples({
				resolution: 512,
				dropRadius: 20, //px
				perturbance: 0.04,
			});
		}
		catch (e) {
			$('.error').show().text(e);
		}
	});
</script>