radar icon

by jorgeluis

HTML

<div class="radar">
  <div class="pointer"></div>
  <div class="ping"></div>
</div>

<br>

<div class="radar warning">
  <div class="pointer"></div>
  <div class="ping"></div>
</div>

SCSS

$size: 48px;

body{
  background-color: #fff;
}

.radar {
  background: radial-gradient(circle, #A0E2EE 14%, #2BB1C9 100%);
  width: $size;
  height: $size;
  position: relative;
  border-radius: $size / 2;
  border: solid 2px #008096;
}

.radar:hover {
  // background: none;
}

.radar:before {
  content: "";
  position: absolute;
  display: block;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(rgba(255, 255, 255, 0.5) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.5) 1px, transparent 1px);
  background-size: 50% 50%;
  border-radius: 50%;
}

.radar:after {
  content: "";
  position: absolute;
  width: 20%;
  height: 20%;
  background: #008096;
  top: 50%;
  left: 50%;
  margin-top: -10%;
  margin-left: -10%;
  border-radius: 50%;

}

.maplines {
  position: absolute;
  width: 100%;
  height: 100%;
  /* background-image: linear-gradient($white 1px, transparent 1px), linear-gradient(90deg, $white 1px, transparent 1px); */
  backround: red;
  background-size: 5px 5px;
}


.radar .pointer {
  position: absolute;
  z-index: 1024;
  left: 0;
  right: 0;
  top: 0;
  bottom: 50%;
  will-change: transform;
  transform-origin: 50% 100%;
  border-radius: 50% 50% 0 0 / 100% 100% 0 0;
  background-image: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.6) 0%, 
    rgba(255, 255, 255, 0.02) 70%,
    rgba(255, 255, 255, 0) 100%
    );
  clip-path: polygon(100% 0, 
    100% 10%, //控制扇形角度 100% => 135deg
    50% 100%, 0 100%, 0 0);
  
  animation: rotate360 3s infinite linear;
}


.radar .pointer:after {
  content: "";
  position: absolute;
  width: 50%;
  bottom: -1px;
  border-top: 2px solid #008096;
  //box-shadow: 0 0 3px rgba(00,0,255, 0.6);
  border-radius: 9px;
}

@keyframes rotate360 {
  0% {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(-360deg);
  }
}

.ping {
  position: absolute;
  left: 15%;
  top: 48%;
  width: 4px;
  height: 4px;
  margin: auto;
  border-radius: 46px;
  background: #fff;
  box-shadow: 0 0...