svg+css3做一个动感的波浪效果实现

一根矢量的波浪

<svg viewBox="0 0 560 20" class="wave-animation__water-wave wave-animation__water-wave--front">    <use xlink:href="#wave"></use></svg><svg id="wave" width="100%" height="100%">    <path d="M420,20c21.5-0.4,38.8-2.5,51.1-4.5c13.4-2.2,26.5-5.2,27.3-5.4C514,6.5,518,4.7,528.5,2.7c7.1-1.3,17.9-2.8,31.5-2.7c0,0,0,0,0,0v20H420z"></path>    <path d="M420,20c-21.5-0.4-38.8-2.5-51.1-4.5c-13.4-2.2-26.5-5.2-27.3-5.4C326,6.5,322,4.7,311.5,2.7C304.3,1.4,293.6-0.1,280,0c0,0,0,0,0,0v20H420z"></path>    <path d="M140,20c21.5-0.4,38.8-2.5,51.1-4.5c13.4-2.2,26.5-5.2,27.3-5.4C234,6.5,238,4.7,248.5,2.7c7.1-1.3,17.9-2.8,31.5-2.7c0,0,0,0,0,0v20H140z"></path>    <path d="M140,20c-21.5-0.4-38.8-2.5-51.1-4.5c-13.4-2.2-26.5-5.2-27.3-5.4C46,6.5,42,4.7,31.5,2.7C24.3,1.4,13.6-0.1,0,0c0,0,0,0,0,0l0,20H140z"></path>

完整代码：

<!DOCTYPE html><html><head>    <meta charset="utf-8">    <meta name="viewport" content="width=device-width,initial-scale=1,user-scalable=no"></head><body>    <div class="circle-countdown circle-countdown--ended">        <div class="circle-countdown__content-wrapper">            <div class="circle-countdown__content wave-animation">                <div id="water" class="wave-animation__water">                    <svg viewBox="0 0 560 20" class="wave-animation__water-wave wave-animation__water-wave--back">                        <path                            d="M420,20c21.5-0.4,38.8-2.5,51.1-4.5c13.4-2.2,26.5-5.2,27.3-5.4C514,6.5,518,4.7,528.5,2.7c7.1-1.3,17.9-2.8,31.5-2.7c0,0,0,0,0,0v20H420z">                        </path>                        <path                            d="M420,20c-21.5-0.4-38.8-2.5-51.1-4.5c-13.4-2.2-26.5-5.2-27.3-5.4C326,6.5,322,4.7,311.5,2.7C304.3,1.4,293.6-0.1,280,0c0,0,0,0,0,0v20H420z">                        </path>                        <path                            d="M140,20c21.5-0.4,38.8-2.5,51.1-4.5c13.4-2.2,26.5-5.2,27.3-5.4C234,6.5,238,4.7,248.5,2.7c7.1-1.3,17.9-2.8,31.5-2.7c0,0,0,0,0,0v20H140z">                        </path>                        <path                            d="M140,20c-21.5-0.4-38.8-2.5-51.1-4.5c-13.4-2.2-26.5-5.2-27.3-5.4C46,6.5,42,4.7,31.5,2.7C24.3,1.4,13.6-0.1,0,0c0,0,0,0,0,0l0,20H140z">                        </path>                    </svg>                    <svg viewBox="0 0 560 20" class="wave-animation__water-wave wave-animation__water-wave--front">                        <path                            d="M420,20c21.5-0.4,38.8-2.5,51.1-4.5c13.4-2.2,26.5-5.2,27.3-5.4C514,6.5,518,4.7,528.5,2.7c7.1-1.3,17.9-2.8,31.5-2.7c0,0,0,0,0,0v20H420z">                        </path>                        <path                            d="M420,20c-21.5-0.4-38.8-2.5-51.1-4.5c-13.4-2.2-26.5-5.2-27.3-5.4C326,6.5,322,4.7,311.5,2.7C304.3,1.4,293.6-0.1,280,0c0,0,0,0,0,0v20H420z">                        </path>                        <path                            d="M140,20c21.5-0.4,38.8-2.5,51.1-4.5c13.4-2.2,26.5-5.2,27.3-5.4C234,6.5,238,4.7,248.5,2.7c7.1-1.3,17.9-2.8,31.5-2.7c0,0,0,0,0,0v20H140z">                        </path>                        <path                            d="M140,20c-21.5-0.4-38.8-2.5-51.1-4.5c-13.4-2.2-26.5-5.2-27.3-5.4C46,6.5,42,4.7,31.5,2.7C24.3,1.4,13.6-0.1,0,0c0,0,0,0,0,0l0,20H140z">                        </path>                    </svg>                </div>            </div>        </div>    </div>    <style>        .circle-countdown {            width: 441px;            height: 441px;            position: relative;            top: 0;            left: 0;            padding: 2.5rem;            border: 1px solid #fb64b6;            border-radius: 50%;            overflow: hidden;        }        .wave-animation {            overflow: hidden;        }        .wave-animation__percent {            position: absolute;            left: 0;            top: 0;            z-index: 3;            width: 100%;            height: 100%;            display: flex;            display: -webkit-flex;            align-items: center;            justify-content: center;            color: #fff;            font-size: 64px;        }        .wave-animation__water {            position: absolute;            left: 0;            top: 0;            z-index: -1;            width: 100%;            height: 100%;            /* 调整这里的60%就可以改变进度，波浪高低 */            transform: translate(0, calc(100% - 60%));            background: #f852d6;            transition: all 2s;        }        .wave-animation__water-wave {            width: 200%;            position: absolute;            bottom: 100%;        }        .wave-animation__water-wave--back {            right: 0;            fill: #1d1d1d;            animation: wave-back 1.4s infinite linear;        }        .wave-animation__water-wave--front {            left: 0;            fill: #f852d6;            margin-bottom: -1px;            animation: wave-front 0.7s infinite linear;        }        @keyframes wave-front {            100% {                transform: translate(-50%, 0);            }        }        @keyframes wave-back {            100% {                transform: translate(50%, 0);            }        }    </style></body></html>

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svg+css3做一个动感的波浪效果实现