Question

我已经能够在带有一个环的向下箭头周围创建一个涟漪效果。

动画： https://rimildeyjsr.github.io/St.Anthony-Website/

我想扩展动画以包含三个具有类似动画的铃声。实现动画的最简单方法是什么？

＆＃13;

.down-arrow {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  margin: 0 auto;
  top: 81.5%;
  z-index: 5;
  border-radius: 50%;
  height: 80px;
  width: 80px;
}
.ring {
  border: 2.5px solid white;
  -webkit-border-radius: 50%;
  height: 80px;
  width: 80px;
  position: absolute;
  left: 0;
  right: 0;
  top: 81%;
  z-index: 5;
  margin: 0 auto;
  -webkit-animation: pulsate 2s ease-out;
  -webkit-animation-iteration-count: infinite;
  -webkit-animation-delay: 2s;
  opacity: 0.0;
}
@-webkit-keyframes pulsate {
  0% {
    -webkit-transform: scale(0, 0);
    opacity: 1;
  }
  100% {
    -webkit-transform: scale(1.2, 1.2);
    opacity: 0;
  }
}

＆＃13;

<img src="images/down-arrow.png" alt="down arrow for navigation" class="img-responsive down-arrow-page-one animated
                slideInDown">
<div class="ring"></div>

＆＃13;

Answer 1

以下是解决方案的变体：

＆＃13;

body {
    background-color: #668822;
}
.down-arrow {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  margin: 0 auto;
  top: 81.5%;
  z-index: 5;
  border-radius: 50%;
  height: 80px;
  width: 80px;
}
.ring {
  border: 2.5px solid white;
  -webkit-border-radius: 50%;
  height: 80px;
  width: 80px;
  position: absolute;
  left: 0;
  right: 0;
  top: 200px;
  z-index: 5;
  margin: 0 auto;
  -webkit-animation: pulsate 2s ease-out;
  -webkit-animation-iteration-count: infinite;
  -webkit-animation-delay: 2s;
  opacity: 0.0;
}
.ring2 {
  -webkit-animation-delay: 1.7s;
}
.ring3 {
  -webkit-animation-delay: 1.4s;
}
@-webkit-keyframes pulsate {
  0% {
    -webkit-transform: scale(0, 0);
    opacity: 1;
  }
  100% {
    -webkit-transform: scale(1.2, 1.2);
    opacity: 0;
  }
}

＆＃13;

<img src="images/down-arrow.png" alt="down arrow for navigation" class="img-responsive down-arrow-page-one animated
                slideInDown">
<div class="ring"></div><div class="ring ring2"></div><div class="ring ring3"></div>

＆＃13;

此外，您可能会出现延迟出现的圆圈。

Answer 2

这是我能做的最好的事情：

JS Fiddle

div.ring:before,
div.ring:after, span  {
  border: 1px solid white;
  position: absolute;
  content: '';
  height: 80px;
  width: 80px;
  left: 0;
  right: 0;
  top: 25%;
  z-index: 5;
  margin: 0 auto;
  border-radius: 50%;
  box-shadow: 0 0 1px white;
  animation: pulsate 3s ease-out infinite;
}
div.ring:after {
  -webkit-animation-delay: 2s;
}
span{
  -webkit-animation-delay: 1s;
  }
@-webkit-keyframes pulsate {
  0% {
    -webkit-transform: scale(0, 0);
    opacity: 1;
  }
  100% {
    -webkit-transform: scale(1.2, 1.2);
    opacity: 0;
  }
} 

body {background: black;}

<div class="ring">
  <span></span>
</div>

多个环在向下箭头周围有涟漪效应

2 个答案: