微信小程序--加载动画：水波涟漪效果

<view  class="loading">
<view class="circle">
<view class="wave"></view>
</view>
</view>

.loading {
  width: 100vw;
  height: 100vh;
  background-color: #2c3e50;
  display: flex;
  justify-content: center;
  align-items: center;
}

.circle {
  width: 150px;
  height: 150px;
  background-color: #7591AD;
  border: 10px solid #2c3e50;
  box-shadow: 0 0 0 5px #F97F51;
  border-radius: 50%;
}

.wave {
  position: relative;
  width: 100%;
  height: 100%;
  background-color: #F97F51;
  border-radius: 50%;
  box-shadow: inset 0 0 50px #EC3E27;
  overflow: hidden;
  z-index: 0;
}

.wave::before,
.wave::after {
  position: absolute;
  content: "";
  width: 200%;
  height: 200%;
  top: 0;
  left: 50%;
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完整源码见