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Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.

HTML

            
              <div id="app" class="mileage">

  <svg class="mileage-map" ref="map" width="1200" height="780" viewBox="-120 -180 1200 780">

    <g class="mileage-map__states" ref="states"></g>

    <g ref="airports">
      <g class="airport" :class="{ 'airport--current' : airport.current }"
         v-for="airport in airports">
        <circle r="3" :cx="airport.x" :cy="airport.y" class="airport__marker" />
        <circle r="16" :cx="airport.x" :cy="airport.y" class="airport__range"
                @mousemove="airportSnap($event, airport)"
                @mouseup="airportClick($event, airport)"
                @mouseleave.self="airportLeave($event, airport)" />
      </g>
    </g>

    <path class="marker-connector" :d="markerConnect()"></path>

    <g class="airplane" ref="airplane">
      <path class="airplane__icon" d="M21 15.984l-8.016-2.484v5.484l2.016 1.5v1.5l-3.516-0.984-3.469 0.984v-1.5l1.969-1.5v-5.484l-7.969 2.484v-1.969l7.969-5.016v-5.484c0-0.844 0.656-1.5 1.5-1.5s1.5 0.656 1.5 1.5v5.484l8.016 5.016v1.969z" transform="translate(-8,-15) scale(1.2)"></path>
    </g>

    <g v-for="marker in markers" @mousedown="markerSet($event,marker)" class="marker" :class="{ 'marker--current' : marker.current }" :transform="'translate('+marker.x+','+marker.y+')'">
      <path fill="{{marker.fill}}" d="M0 0l28.592-28.592c15.78-15.78 15.908-41.24.128-57.02a40.424 40.424 0 0 0-57.124 57.2z"></path>
      <transition name="marker-fade">
        <text v-if="marker.airport" x="0" y="-42" text-anchor="middle" v-text="marker.airport.LocationID"></text>
      </transition>
    </g>
  </svg>

  <h1 class="mileage__calculations" v-show="distance">
    <span>{{ distance | numberWithCommas }}</span><small>mi</small>
  </h1>
  
  <div class="mileage__instructions">Drag the markers around to calculate distance</div>

</div>
            
          
!

CSS

            
              // original
@text: #FFF;
@light: #16a8d3;
@medium: #006196;
@dark: #000;

// // blue
// @light: #30E3CA; // #16a8d3
// @medium: #11999E; // #006196
// @dark: #40514E; // #000;

// // blue-green
// //@text: #A4E5D9;
// @light: #C8F4DE;
// @medium: #66C6BA;
// @dark: #649DAD;

// // green
// @text: #196B69;
// @light: #DDFEE4;
// @medium: #28CC9E;
// @dark: #132F2B;

// // another blue
// @text: #ECF0F1;
// @light: #2980B9;
// @medium: #33CCCC;
// @dark: #2C3E50;

// // purple
// @text: #ECF0F1;
// @light: #BB99CD;
// @medium: #643579;
// @dark: #3D1860;

// // blue-gray
// @dark: #263849;
// @medium: #41506B;
// @medium: #35BCBF;
// @light: #90F6D7;

@dark: saturate(lighten(#F59D2A,5%),20%);
@medium: #EE7738;
//@dark: #2C3D4F;
@light: #34495D;

@import url('https://fonts.googleapis.com/css?family=Oswald');

html { height: 100%; display: flex; }
body { margin: auto; }

html { 
  background: @light; 
  text-align: center; 
  color: @text; 
  font-family: 'Oswald', sans-serif;
  font-weight: 300;
  font-smooth: auto;
  -webkit-font-smoothing: antialiased;
}

@spacing-base: 2rem;

.mileage__calculations { 
  margin: 0;
  font-size: 3rem;
  font-weight: inherit;
  small { font-size: 0.6em; color: @dark; } 
}

.mileage-map {
  display: block;
  width: auto;
  height: auto;
  max-width: 90%;
  max-height: 90vh;
  margin: auto auto 2rem;
  overflow: visible;
}

.mileage-map__states {
  stroke: @light;
  stroke-width: 2;
  fill: @medium;
}

.marker {
  fill: @dark;
  stroke: @text;
  stroke-width: 5;
  cursor: pointer;
  transition: opacity 0.3s linear;
  user-select: none;
  > * { transition: transform 0.3s cubic-bezier(.6,.0,.5,1); }

  text {
    stroke: none;
    fill: @text;
    font-family: inherit;
    font-size: 28px;
    font-weight: 200;
  }
}

.marker-fade {
  &-leave-active,
  &-enter-active { 
    transition: opacity .3s linear;
  }

  &-enter, 
  &-leave-to {
    opacity: 0;
  }
}

.marker--current {
  opacity: 0.8;
  pointer-events: none;

  > * { transform: scale(0.8); }
}

/* ////////////////////////////////////////////////////////////////////////// */

.airport { fill: #FFF; stroke-width: 2; stroke: transparent; transition: stroke 0.3s linear; }
.airport:hover { stroke: rgba(255,255,255,0.3); }
.airport--current,
.airport--current:hover { stroke: #FFF; stroke: rgba(255,255,255,0.8); }

.airport__range {
  fill: transparent;
  cursor: pointer;
}



////////////////////////////////////////


.marker-connector {
  fill: none;
  stroke: #FFF;
  stroke-width: 3;
  stroke-dasharray: 6 6;
  pointer-events: none;

  animation: marching-ants 1s linear 0s infinite;
}

@keyframes marching-ants {
  from { stroke-dashoffset: 0; }
  to { stroke-dashoffset: 12; }
}


.airplane {
  pointer-events: none;
  fill: #FFF;
  //stroke: @medium;
  //stroke-width: 0.5;
  opacity: 0;
}
            
          
!

JS

            
              console.clear();

new Vue({

  el: '#app',

  data: () => ({
    distance: null,
    airports: [],
    currentAirport: null,
    lastAirport: null,
    markers: [
      {
        airport: null,
        x: 200,
        y: 300,
        startX: 0,
        startY: 0,
        fill: '#f47825',
        current: false
      },
      {
        airport: null,
        x: 500,
        y: 100,
        startX: 0,
        startY: 0,
        fill: '#00b26b',
        current: false
      }
    ]
  }),

  filters: {
    numberWithCommas(val) {
      return ( val && val.toString ? val.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",") : val );
    }
  },

  mounted() {

    // D3 Projection
    var projection = d3.geoAlbersUsa().scale([1500]); // scale things down so see entire US
    this.projection = projection;

    // D3 US States map
    fetch('https://s3-us-west-2.amazonaws.com/s.cdpn.io/39255/us-states.json')
      .then( response => response.json() )
      .then( (states) => {

      // Define path generator
      var path = d3.geoPath() // path generator that will convert GeoJSON to SVG paths
      .projection(projection); // tell path generator to use albersUsa projection

      // Bind the data to the SVG and create one path per GeoJSON feature
      d3.select( this.$refs.states )
        .selectAll("path")
        .data(states.features)
        .enter()
        .append("path")
        .attr("d", path);
    });

    // Airports
    fetch('https://s3-us-west-2.amazonaws.com/s.cdpn.io/39255/airports.json')
      .then( response => response.json() )
      .then( (airports) => {

      // Let's only focus on the top 100
      airports = airports.slice(0,100);
      var i = airports.length, d, proj;

      while(i--){
        d = airports[i];
        proj = projection([d.Lng, d.Lat]);

        if ( proj ) {
          d.x = proj[0];
          d.y = proj[1];
        } else {
          airports.splice(i, 1);
        }
      }

      this.airports = airports.reverse();

      var la = null;

      this.markers.forEach((marker)=>{
        var ra = this.randomAirport();
        if ( ra == la ) { ra = this.randomAirport(); }
        la = ra;
        marker.airport = ra;
        marker.x = ra.x;
        marker.y = ra.y;
      });
      this.markerDistance();
    });


  },

  methods: {

    randomAirport(){
      return this.airports[ Math.floor(Math.random() * this.airports.length) ];
    },

    markerSet(e, marker){
      if ( e ) { e.preventDefault(); }

      marker = marker || this.markers[0];
      marker.airport = null;
      marker.current = true;
      marker.startX = marker.x;
      marker.startY = marker.y;

      this.currentAirport = null;
      this.currentMarker = marker;

      if ( this.airplaneTween ) {

        var oldTween = this.airplaneTween;

        var tl = new TimelineLite();
        tl.to(this.$refs.airplane,0.2,{
          opacity: 0,
          ease: "Linear.easeNone",
          onComplete: function(){
            if ( oldTween ) { oldTween.kill(); }
          }
        });

        this.airplaneFade = tl;
      }

      this.markerDrag(e);
      document.addEventListener('mousemove',this.markerDrag);
      document.addEventListener('mouseup', this.markerStop);
      this.$refs.map.addEventListener('mouseleave', this.markerLeave);
    },

    markerDrag(e){
      this.currentMarker.airport = this.currentAirport;

      if ( this.currentAirport ) {
        this.currentMarker.x = this.currentAirport.x;
        this.currentMarker.y = this.currentAirport.y;
      } else {
        d3.event = e;
        var mouse = d3.mouse(this.$refs.map);
        this.currentMarker.x = mouse[0];
        this.currentMarker.y = mouse[1];
      }
      this.markerDistance();
    },

    markerLeave(){
      this.currentMarker.x = this.currentMarker.startX;
      this.currentMarker.y = this.currentMarker.startY;

      this.markerStop();
    },

    markerStop(){
      console.log('stop!');
      document.removeEventListener('mousemove',this.markerDrag);
      document.removeEventListener('mouseup', this.markerStop);
      this.$refs.map.removeEventListener('mouseleave', this.markerLeave);

      this.currentMarker.current = false;
      this.currentMarker = null;

      this.markerDistance();
    },

    markerConnect(){
      var m1 = this.markers[1],
          m2 = this.markers[0];

      if ( m1.x < m2.x ) {
        m1 = this.markers[0];
        m2 = this.markers[1];
      }

      var dx = m2.x - m1.x,
          dy = m2.y - m1.y,
          dr = Math.sqrt(dx * dx + dy * dy);

      return "M" + m2.x + "," + m2.y + "A" + dr + "," + dr + " 0 0,1 " + m1.x + "," + m1.y ;
    },

    calcDistance(lat1, lon1, lat2, lon2, unit) {
      var radlat1 = Math.PI * lat1/180
      var radlat2 = Math.PI * lat2/180
      var theta = lon1-lon2
      var radtheta = Math.PI * theta/180
      var dist = Math.sin(radlat1) * Math.sin(radlat2) + Math.cos(radlat1) * Math.cos(radlat2) * Math.cos(radtheta);
      dist = Math.acos(dist)
      dist = dist * 180/Math.PI
      dist = dist * 60 * 1.1515
      if (unit=="K") { dist = dist * 1.609344 }
      if (unit=="N") { dist = dist * 0.8684 }
      return dist;

    },

    markerDistance(){
      var marker1 = this.markers[0];
      var latLng1 = this.projection.invert([ marker1.x, marker1.y ]).reverse();

      var marker2 = this.markers[1];
      var latLng2 = this.projection.invert([ marker2.x, marker2.y ]).reverse();

      this.distance = Math.round( this.calcDistance(latLng1[0], latLng1[1], latLng2[0], latLng2[1]) );
      this.airplaneAnimate();
    },

    airportSnap(e, airport){
      if ( airport !== this.currentAirport ) {
        airport.current = true;
        this.currentAirport = airport;
        if ( this.currentMarker ) { this.currentMarker.airport = airport; }
      }
    },

    airportClick(e,airport){
      if ( !this.currentMarker ) { this.markerSet(e); }
      this.currentAirport = airport;
      this.currentMarker.x = this.currentAirport.x;
      this.currentMarker.y = this.currentAirport.y;
      if ( this.currentMarker ) { this.currentMarker.airport = airport; }
    },

    airportLeave(e,airport){
      airport.current = false;
      this.currentAirport = null;
      this.lastAirport = airport;
    },

    airplaneAnimate(){
      var path = this.markerConnect();
      var newTween = new TimelineMax({ repeat: -1, delay: -0.2 });
      var duration = Math.min( this.distance / 80, 15 );
      var opacityDuration = Math.min(duration * 0.2, 0.3);

      if ( this.airplaneFade && this.airplaneFade.isActive() ) {
        newTween.pause();

        this.airplaneFade.eventCallback('onComplete',function(){
          newTween.play();
        });
      } else if ( this.airplaneTween ) {
        this.airplaneTween.kill();
      }

      var bez = MorphSVGPlugin.pathDataToBezier(path)

      newTween.to(this.$refs.airplane, duration, {
        bezier: {
          values: bez,
          curviness: 1,
          autoRotate: -90,
          type:"cubic"
        },
        reversed: true,
        ease: Linear.easeNone
      }, 0);

      newTween.fromTo(this.$refs.airplane, opacityDuration, {
        opacity: 0
      },{
        opacity: 1,
        delay: opacityDuration/2,
        ease: "Linear.easeNone"
      }, 0);

      newTween.to(this.$refs.airplane, opacityDuration, {
        opacity: 0,
        ease: 'Linear.easeNone'
      }, '-='+opacityDuration);

      this.airplaneTween = newTween;
    },

  }
});
            
          
!
999px

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